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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.155 by root, Tue Jan 9 21:32:42 2007 UTC vs.
Revision 1.231 by root, Wed Apr 4 00:02:06 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;
19		21
		22	use BDB ();
20	use Data::Dumper;	23	use Data::Dumper;
21	use Digest::MD5;	24	use Digest::MD5;
22	use Fcntl;	25	use Fcntl;
		26	use YAML::Syck ();
23	use IO::AIO 2.32 ();	27	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
26		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$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		37
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
33		40
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		42
		43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		44
36	our %COMMAND = ();	45	our %COMMAND = ();
37	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
39		52
		53	our $RELOAD; # number of reloads so far
40	our @EVENT;	54	our @EVENT;
41	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
42		56
43	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
44	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	61	our $NEXT_TICK;
46	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
47		67
48	our %CFG;	68	our %CFG;
49		69
50	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	71	our $RUNTIME;
52		72
53	our %PLAYER; # all users	73	our %PLAYER; # all users
54	our %MAP; # all maps	74	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions	77	our $BDB_ENV_DIR = cf::localdir . "/db";
58		78
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
61		84
62	binmode STDOUT;	85	binmode STDOUT;
63	binmode STDERR;	86	binmode STDERR;
64		87
65	# read virtual server time, if available	88	# read virtual server time, if available
…		…
72	mkdir cf::localdir;	95	mkdir cf::localdir;
73	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
74	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
77		101
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
81		105
82	#############################################################################	106	#############################################################################
83		107
84	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
85		109
…		…
156	}	180	}
157		181
158	$Event::DIED = sub {	182	$Event::DIED = sub {
159	warn "error in event callback: @_";	183	warn "error in event callback: @_";
160	};	184	};
161
162	my %ext_pkg;
163	my @exts;
164	my @hook;
165		185
166	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
167		187
168	=over 4	188	=over 4
169		189
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	209	$d
190	} || "[unable to dump $_[0]: '$@']";	210	} || "[unable to dump $_[0]: '$@']";
191	}	211	}
192		212
193	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194		214
195	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
196		216
197	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
198		218
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
207		220
208	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
209
210	=cut
211
212	sub to_json($) {
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214	JSON::Syck::Dump $_[0]
215	}
216		222
217	=item cf::lock_wait $string	223	=item cf::lock_wait $string
218		224
219	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
220		226
…		…
257	}	263	}
258		264
259	sub freeze_mainloop {	265	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
261		267
262	my $guard = Coro::guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
263	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
264	$guard	272	$guard
265	}	273	}
266		274
267	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
319	}	327	}
320	}	328	}
321		329
322	=item $coro = cf::async_ext { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
323		331
324	Like async, but this coro is automcatially being canceled when the	332	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	333	extension calling this is being unloaded.
326		334
327	=cut	335	=cut
328		336
329	sub async_ext(&) {	337	sub async_ext(&) {
…		…
338		346
339	$coro	347	$coro
340	}	348	}
341		349
342	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
343	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
344		354
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346	or return;	356	or return;
347		357
		358	my $value = $cf::RUNTIME + 90 + 10;
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;	363	and return;
351		364
		365	# always fsync - this file is important
352	aio_fsync $fh	366	aio_fsync $fh
353	and return;	367	and return;
354		368
355	close $fh	369	close $fh
356	or return;	370	or return;
…		…
359	and return;	373	and return;
360		374
361	1	375	1
362	}	376	}
363		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
364	=back	389	=back
365		390
366	=cut	391	=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		392
490	#############################################################################	393	#############################################################################
491		394
492	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
493		396
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	523	our @CB_MAP = ();
621		524
622	my %attachment;	525	my %attachment;
623		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
624	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
626		535
627	use sort 'stable';	536	use sort 'stable';
628		537
…		…
799	# object support	708	# object support
800		709
801	sub reattach {	710	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		715
805	my $registry = $obj->registry;	716	my $registry = $obj->registry;
806		717
807	@$registry = ();	718	@$registry = ();
808		719
…		…
855	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
856		767
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	772	close $fh;
862		773
863	if (@$objs) {	774	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	780	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
871	}	782	}
872	} else {	783	} else {
873	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
940	=cut	851	=cut
941		852
942	sub register_extcmd {	853	sub register_extcmd {
943	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
944		855
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
949	}	857	}
950		858
951	cf::player->attach (	859	cf::player->attach (
952	on_command => sub {	860	on_command => sub {
953	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
966		874
967	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
968		876
969	if (ref $msg) {	877	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
973	}	881	}
974	}	882	}
975	} else {	883	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
978		886
979	cf::override;	887	cf::override;
980	},	888	},
981	);	889	);
982		890
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	891	sub load_extension {
990	my ($path) = @_;	892	my ($path) = @_;
991		893
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;	895	my $base = $1;
994	my $pkg = $1;	896	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
997		899
998	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
999		901
1000	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
1001	or die "$path: $!";	903	or die "$path: $!";
1002		904
1003	my $source =	905	my $source =
1004	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
1007	. "\n};\n1";	909	. "\n};\n1";
1008		910
1009	eval $source	911	unless (eval $source) {
1010	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
1011	: "extension disabled.\n";	913	: "extension disabled.\n";
1012		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013	push @exts, $pkg;	915	warn $@;
1014	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
1015		917	exit 1;
1016	# no strict 'refs';	918	}
1017	# @{"$pkg\::ISA"} = ext::;	919	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	# }	920	}
1032		921
1033	# remove commands	922	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	}	923	}
1058		924
1059	sub load_extensions {	925	sub load_extensions {
1060	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	927	next unless -r $ext;
…		…
1065	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1066	}	932	}
1067	}	933	}
1068		934
1069	#############################################################################	935	#############################################################################
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		936
1085	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1086		938
1087	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1088		940
…		…
1124		976
1125	sub exists($) {	977	sub exists($) {
1126	my ($login) = @_;	978	my ($login) = @_;
1127		979
1128	$cf::PLAYER{$login}	980	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	981	or cf::sync_job { !aio_stat path $login }
1130	}	982	}
1131		983
1132	sub find($) {	984	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	985	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	986	my $login = $_[0];
…		…
1180		1032
1181	=cut	1033	=cut
1182		1034
1183	sub quit_character {	1035	sub quit_character {
1184	my ($pl) = @_;	1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
1185		1039
1186	$pl->{deny_save} = 1;	1040	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
1188		1042
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1048	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1049	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1050	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1051	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1052	$pl->destroy;
		1053
		1054	my $prefix = qr<^~\Q$name\E/>;
		1055
		1056	# nuke player maps
		1057	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1058
1199	IO::AIO::aio_rmtree $temp;	1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
1200	}	1074	}
1201		1075
1202	=item cf::player::list_logins	1076	=item cf::player::list_logins
1203		1077
1204	Returns am arrayref of all valid playernames in the system, can take a	1078	Returns am arrayref of all valid playernames in the system, can take a
…		…
1224	\@logins	1098	\@logins
1225	}	1099	}
1226		1100
1227	=item $player->maps	1101	=item $player->maps
1228		1102
1229	Returns an arrayref of cf::path's of all maps that are private for this	1103	Returns an arrayref of map paths that are private for this
1230	player. May block.	1104	player. May block.
1231		1105
1232	=cut	1106	=cut
1233		1107
1234	sub maps($) {	1108	sub maps($) {
1235	my ($pl) = @_;	1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1112
1237	my $files = aio_readdir playerdir $pl	1113	my $files = aio_readdir playerdir $pl
1238	or return;	1114	or return;
1239		1115
1240	my @paths;	1116	my @paths;
1241		1117
1242	for (@$files) {	1118	for (@$files) {
1243	utf8::decode $_;	1119	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1120	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1121	next unless /^$PATH_SEP/o;
1246		1122
1247	s/$PATH_SEP/\//g;	1123	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1124	}
1250		1125
1251	\@paths	1126	\@paths
1252	}	1127	}
1253		1128
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1255		1130
1256	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1257		1132
1258	=cut	1133	=cut
1259		1134
1260	sub ext_reply($$$%) {	1135	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1262		1137
1263	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
		1139
		1140	$self->send ("ext " . cf::to_json \%msg);
		1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	delete $msg{msgid};
		1153	$msg{msgtype} = "event";
		1154	$msg{eventtype} = $type;
1264		1155
1265	$self->send ("ext " . cf::to_json \%msg);	1156	$self->send ("ext " . cf::to_json \%msg);
1266	}	1157	}
1267		1158
1268	package cf;	1159	package cf;
…		…
1279	package cf::map;	1170	package cf::map;
1280		1171
1281	use Fcntl;	1172	use Fcntl;
1282	use Coro::AIO;	1173	use Coro::AIO;
1283		1174
		1175	use overload
		1176	'""' => \&as_string,
		1177	fallback => 1;
		1178
1284	our $MAX_RESET = 3600;	1179	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1180	our $DEFAULT_RESET = 3000;
1286		1181
1287	sub generate_random_map {	1182	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1183	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1184	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1185	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1189	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1190	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1191	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1192	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1193	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1194	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1195	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1196	(cf::region::find $rmp->{region}), $rmp->{custom}
		1197	)
		1198	}
		1199
		1200	=item cf::map->register ($regex, $prio)
		1201
		1202	Register a handler for the map path matching the given regex at the
		1203	givne priority (higher is better, built-in handlers have priority 0, the
		1204	default).
		1205
		1206	=cut
		1207
		1208	sub register {
		1209	my (undef, $regex, $prio) = @_;
		1210	my $pkg = caller;
		1211
		1212	no strict;
		1213	push @{"$pkg\::ISA"}, __PACKAGE__;
		1214
		1215	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1216	}
		1217
		1218	# also paths starting with '/'
		1219	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1220
		1221	sub thawer_merge {
		1222	my ($self, $merge) = @_;
		1223
		1224	# we have to keep some variables in memory intact
		1225	local $self->{path};
		1226	local $self->{load_path};
		1227	local $self->{deny_save};
		1228	local $self->{deny_reset};
		1229
		1230	$self->SUPER::thawer_merge ($merge);
		1231	}
		1232
		1233	sub normalise {
		1234	my ($path, $base) = @_;
		1235
		1236	$path = "$path"; # make sure its a string
		1237
		1238	$path =~ s/\.map$//;
		1239
		1240	# map plan:
		1241	#
		1242	# /! non-realised random map exit (special hack!)
		1243	# {... are special paths that are not being touched
		1244	# ?xxx/... are special absolute paths
		1245	# ?random/... random maps
		1246	# /... normal maps
		1247	# ~user/... per-player map of a specific user
		1248
		1249	$path =~ s/$PATH_SEP/\//go;
		1250
		1251	# treat it as relative path if it starts with
		1252	# something that looks reasonable
		1253	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1254	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1255
		1256	$base =~ s{[^/]+/?$}{};
		1257	$path = "$base/$path";
		1258	}
		1259
		1260	for ($path) {
		1261	redo if s{//}{/};
		1262	redo if s{/\.?/}{/};
		1263	redo if s{/[^/]+/\.\./}{/};
		1264	}
		1265
		1266	$path
		1267	}
		1268
		1269	sub new_from_path {
		1270	my (undef, $path, $base) = @_;
		1271
		1272	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1273
		1274	$path = normalise $path, $base;
		1275
		1276	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1277	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1278	my $self = bless cf::map::new, $pkg;
		1279	$self->{path} = $path; $self->path ($path);
		1280	$self->init; # pass $1 etc.
		1281	return $self;
		1282	}
		1283	}
		1284
		1285	Carp::carp "unable to resolve path '$path' (base '$base').";
		1286	()
		1287	}
		1288
		1289	sub init {
		1290	my ($self) = @_;
		1291
		1292	$self
		1293	}
		1294
		1295	sub as_string {
		1296	my ($self) = @_;
		1297
		1298	"$self->{path}"
		1299	}
		1300
		1301	# the displayed name, this is a one way mapping
		1302	sub visible_name {
		1303	&as_string
		1304	}
		1305
		1306	# the original (read-only) location
		1307	sub load_path {
		1308	my ($self) = @_;
		1309
		1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1311	}
		1312
		1313	# the temporary/swap location
		1314	sub save_path {
		1315	my ($self) = @_;
		1316
		1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1319	}
		1320
		1321	# the unique path, undef == no special unique path
		1322	sub uniq_path {
		1323	my ($self) = @_;
		1324
		1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1304	}	1327	}
1305		1328
1306	# and all this just because we cannot iterate over	1329	# and all this just because we cannot iterate over
1307	# all maps in C++...	1330	# all maps in C++...
1308	sub change_all_map_light {	1331	sub change_all_map_light {
…		…
1310		1333
1311	$_->change_map_light ($change)	1334	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1335	for grep $_->outdoor, values %cf::MAP;
1313	}	1336	}
1314		1337
		1338	sub unlink_save {
		1339	my ($self) = @_;
		1340
		1341	utf8::encode (my $save = $self->save_path);
		1342	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1343	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1344	}
		1345
1315	sub try_load_header($) {	1346	sub load_header_from($) {
1316	my ($path) = @_;	1347	my ($self, $path) = @_;
1317		1348
1318	utf8::encode $path;	1349	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1350	#aio_open $path, O_RDONLY, 0
		1351	# or return;
		1352
		1353	$self->_load_header ($path)
1320	or return;	1354	or return;
1321		1355
1322	my $map = cf::map::new	1356	$self->{load_path} = $path;
		1357
		1358	1
		1359	}
		1360
		1361	sub load_header_orig {
		1362	my ($self) = @_;
		1363
		1364	$self->load_header_from ($self->load_path)
		1365	}
		1366
		1367	sub load_header_temp {
		1368	my ($self) = @_;
		1369
		1370	$self->load_header_from ($self->save_path)
		1371	}
		1372
		1373	sub prepare_temp {
		1374	my ($self) = @_;
		1375
		1376	$self->last_access ((delete $self->{last_access})
		1377	|| $cf::RUNTIME); #d#
		1378	# safety
		1379	$self->{instantiate_time} = $cf::RUNTIME
		1380	if $self->{instantiate_time} > $cf::RUNTIME;
		1381	}
		1382
		1383	sub prepare_orig {
		1384	my ($self) = @_;
		1385
		1386	$self->{load_original} = 1;
		1387	$self->{instantiate_time} = $cf::RUNTIME;
		1388	$self->last_access ($cf::RUNTIME);
		1389	$self->instantiate;
		1390	}
		1391
		1392	sub load_header {
		1393	my ($self) = @_;
		1394
		1395	if ($self->load_header_temp) {
		1396	$self->prepare_temp;
		1397	} else {
		1398	$self->load_header_orig
1323	or return;	1399	or return;
		1400	$self->prepare_orig;
		1401	}
1324		1402
1325	# for better error messages only, will be overwritten	1403	1
1326	$map->path ($path);
1327
1328	$map->load_header ($path)
1329	or return;
1330
1331	$map->{load_path} = $path;
1332
1333	$map
1334	}	1404	}
1335		1405
1336	sub find;	1406	sub find;
1337	sub find {	1407	sub find {
1338	my ($path, $origin) = @_;	1408	my ($path, $origin) = @_;
1339		1409
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1410	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1411
1345	cf::lock_wait "map_find:$key";	1412	cf::lock_wait "map_find:$path";
1346		1413
1347	$cf::MAP{$key} || do {	1414	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1415	my $guard = cf::lock_acquire "map_find:$path";
1349		1416	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;	1417	or return;
1369		1418
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;	1419	$map->{last_save} = $cf::RUNTIME;
1382		1420
1383	Coro::cede;	1421	$map->load_header
		1422	or return;
1384		1423
1385	if ($map->should_reset) {	1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1425	# doing this can freeze the server in a sync job, obviously
		1426	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1427	$map->reset;
1387	undef $guard;	1428	undef $guard;
1388	$map = find $path	1429	return find $path;
1389	or return;
1390	}	1430	}
1391		1431
1392	$cf::MAP{$key} = $map	1432	$cf::MAP{$path} = $map
1393	}	1433	}
1394	}	1434	}
		1435
		1436	sub pre_load { }
		1437	sub post_load { }
1395		1438
1396	sub load {	1439	sub load {
1397	my ($self) = @_;	1440	my ($self) = @_;
1398		1441
		1442	local $self->{deny_reset} = 1; # loading can take a long time
		1443
1399	my $path = $self->{path};	1444	my $path = $self->{path};
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1445	my $guard = cf::lock_acquire "map_load:$path";
1401		1446
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1447	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1448
1404	$self->in_memory (cf::MAP_LOADING);	1449	$self->in_memory (cf::MAP_LOADING);
1405		1450
1406	$self->alloc;	1451	$self->alloc;
		1452
		1453	$self->pre_load;
		1454
1407	$self->load_objects ($self->{load_path}, 1)	1455	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1456	or return;
1409		1457
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1459	if delete $self->{load_original};
1412		1460
1413	if (my $uniq = $path->uniq_path) {	1461	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1462	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1463	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1464	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1465	$self->_load_objects ($uniq, 0);
1418	}	1466	}
1419	}	1467	}
1420		1468
1421	Coro::cede;	1469	Coro::cede;
1422		1470
1423	# now do the right thing for maps	1471	# now do the right thing for maps
1424	$self->link_multipart_objects;	1472	$self->link_multipart_objects;
1425		1473
1426	if ($self->{path}->is_style_map) {	1474	unless ($self->{deny_activate}) {
1427	$self->{deny_save} = 1;	1475	$self->decay_objects;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;	1476	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;	1477	$self->update_buttons;
		1478	Coro::cede;
1433	$self->set_darkness_map;	1479	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1480	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1481	unless $self->difficulty;
		1482	Coro::cede;
1436	$self->activate;	1483	$self->activate;
1437	}	1484	}
1438		1485
1439	Coro::cede;	1486	$self->post_load;
1440		1487
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1488	$self->in_memory (cf::MAP_IN_MEMORY);
		1489	}
		1490
		1491	sub customise_for {
		1492	my ($self, $ob) = @_;
		1493
		1494	return find "~" . $ob->name . "/" . $self->{path}
		1495	if $self->per_player;
		1496
		1497	$self
		1498	}
		1499
		1500	# find and load all maps in the 3x3 area around a map
		1501	sub load_diag {
		1502	my ($map) = @_;
		1503
		1504	my @diag; # diagonal neighbours
		1505
		1506	for (0 .. 3) {
		1507	my $neigh = $map->tile_path ($_)
		1508	or next;
		1509	$neigh = find $neigh, $map
		1510	or next;
		1511	$neigh->load;
		1512
		1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1515	}
		1516
		1517	for (@diag) {
		1518	my $neigh = find @$_
		1519	or next;
		1520	$neigh->load;
		1521	}
1442	}	1522	}
1443		1523
1444	sub find_sync {	1524	sub find_sync {
1445	my ($path, $origin) = @_;	1525	my ($path, $origin) = @_;
1446		1526
1447	cf::sync_job { cf::map::find $path, $origin }	1527	cf::sync_job { find $path, $origin }
1448	}	1528	}
1449		1529
1450	sub do_load_sync {	1530	sub do_load_sync {
1451	my ($map) = @_;	1531	my ($map) = @_;
1452		1532
1453	cf::sync_job { $map->load };	1533	cf::sync_job { $map->load };
1454	}	1534	}
1455		1535
		1536	our %MAP_PREFETCH;
		1537	our $MAP_PREFETCHER = undef;
		1538
		1539	sub find_async {
		1540	my ($path, $origin) = @_;
		1541
		1542	$path = normalise $path, $origin && $origin->{path};
		1543
		1544	if (my $map = $cf::MAP{$path}) {
		1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1546	}
		1547
		1548	undef $MAP_PREFETCH{$path};
		1549	$MAP_PREFETCHER ||= cf::async {
		1550	while (%MAP_PREFETCH) {
		1551	for my $path (keys %MAP_PREFETCH) {
		1552	my $map = find $path
		1553	or next;
		1554	$map->load;
		1555
		1556	delete $MAP_PREFETCH{$path};
		1557	}
		1558	}
		1559	undef $MAP_PREFETCHER;
		1560	};
		1561	$MAP_PREFETCHER->prio (6);
		1562
		1563	()
		1564	}
		1565
1456	sub save {	1566	sub save {
1457	my ($self) = @_;	1567	my ($self) = @_;
1458		1568
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	1569	my $lock = cf::lock_acquire "map_data:" . $self->path;
1460		1570
1461	$self->{last_save} = $cf::RUNTIME;	1571	$self->{last_save} = $cf::RUNTIME;
1462		1572
1463	return unless $self->dirty;	1573	return unless $self->dirty;
1464		1574
1465	my $save = $self->{path}->save_path; utf8::encode $save;	1575	my $save = $self->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1576	my $uniq = $self->uniq_path; utf8::encode $uniq;
1467		1577
1468	$self->{load_path} = $save;	1578	$self->{load_path} = $save;
1469		1579
1470	return if $self->{deny_save};	1580	return if $self->{deny_save};
1471		1581
…		…
1474	cf::async {	1584	cf::async {
1475	$_->contr->save for $self->players;	1585	$_->contr->save for $self->players;
1476	};	1586	};
1477		1587
1478	if ($uniq) {	1588	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);	1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {	1591	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}	1593	}
1484	}	1594	}
1485		1595
1486	sub swap_out {	1596	sub swap_out {
1487	my ($self) = @_;	1597	my ($self) = @_;
…		…
1501		1611
1502	sub reset_at {	1612	sub reset_at {
1503	my ($self) = @_;	1613	my ($self) = @_;
1504		1614
1505	# TODO: safety, remove and allow resettable per-player maps	1615	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};	1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1507	return 1e99 if $self->{deny_reset};	1617	return 1e99 if $self->{deny_reset};
1508		1618
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		1621
…		…
1516	my ($self) = @_;	1626	my ($self) = @_;
1517		1627
1518	$self->reset_at <= $cf::RUNTIME	1628	$self->reset_at <= $cf::RUNTIME
1519	}	1629	}
1520		1630
1521	sub unlink_save {
1522	my ($self) = @_;
1523
1524	utf8::encode (my $save = $self->{path}->save_path);
1525	aioreq_pri 3; IO::AIO::aio_unlink $save;
1526	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1527	}
1528
1529	sub rename {
1530	my ($self, $new_path) = @_;
1531
1532	$self->unlink_save;
1533
1534	delete $cf::MAP{$self->path};
1535	$self->{path} = new cf::path $new_path;
1536	$self->path ($self->{path}->as_string);
1537	$cf::MAP{$self->path} = $self;
1538
1539	$self->save;
1540	}
1541
1542	sub reset {	1631	sub reset {
1543	my ($self) = @_;	1632	my ($self) = @_;
1544		1633
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	1634	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		1635
1547	return if $self->players;	1636	return if $self->players;
1548	return if $self->{path}{user_rel};#d#	1637	return if $self->isa ("ext::map_per_player");#d#
1549		1638
1550	warn "resetting map ", $self->path;#d#	1639	warn "resetting map ", $self->path;#d#
1551		1640
		1641	$self->in_memory (cf::MAP_SWAPPED);
		1642
		1643	# need to save uniques path
		1644	unless ($self->{deny_save}) {
		1645	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1646
		1647	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1648	if $uniq;
		1649	}
		1650
1552	delete $cf::MAP{$self->path};	1651	delete $cf::MAP{$self->path};
		1652
		1653	$self->clear;
1553		1654
1554	$_->clear_links_to ($self) for values %cf::MAP;	1655	$_->clear_links_to ($self) for values %cf::MAP;
1555		1656
1556	$self->unlink_save;	1657	$self->unlink_save;
1557	$self->destroy;	1658	$self->destroy;
…		…
1560	my $nuke_counter = "aaaa";	1661	my $nuke_counter = "aaaa";
1561		1662
1562	sub nuke {	1663	sub nuke {
1563	my ($self) = @_;	1664	my ($self) = @_;
1564		1665
		1666	delete $cf::MAP{$self->path};
		1667
		1668	$self->unlink_save;
		1669
		1670	bless $self, "cf::map";
		1671	delete $self->{deny_reset};
1565	$self->{deny_save} = 1;	1672	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	1673	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1675
		1676	$cf::MAP{$self->path} = $self;
		1677
1568	$self->reset; # polite request, might not happen	1678	$self->reset; # polite request, might not happen
1569	}	1679	}
1570		1680
1571	sub customise_for {	1681	=item cf::map::unique_maps
1572	my ($map, $ob) = @_;
1573		1682
1574	if ($map->per_player) {	1683	Returns an arrayref of paths of all shared maps that have
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1684	instantiated unique items. May block.
1576	}
1577		1685
1578	$map	1686	=cut
		1687
		1688	sub unique_maps() {
		1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1690	or return;
		1691
		1692	my @paths;
		1693
		1694	for (@$files) {
		1695	utf8::decode $_;
		1696	next if /\.pst$/;
		1697	next unless /^$PATH_SEP/o;
		1698
		1699	push @paths, cf::map::normalise $_;
		1700	}
		1701
		1702	\@paths
1579	}	1703	}
1580		1704
1581	package cf;	1705	package cf;
1582		1706
1583	=back	1707	=back
…		…
1655		1779
1656	=item $player_object->enter_link	1780	=item $player_object->enter_link
1657		1781
1658	Freezes the player and moves him/her to a special map (C<{link}>).	1782	Freezes the player and moves him/her to a special map (C<{link}>).
1659		1783
1660	The player should be reaosnably safe there for short amounts of time. You	1784	The player should be reasonably safe there for short amounts of time. You
1661	I<MUST> call C<leave_link> as soon as possible, though.	1785	I<MUST> call C<leave_link> as soon as possible, though.
1662		1786
		1787	Will never block.
		1788
1663	=item $player_object->leave_link ($map, $x, $y)	1789	=item $player_object->leave_link ($map, $x, $y)
1664		1790
1665	Moves the player out of the specila link map onto the given map. If the	1791	Moves the player out of the special C<{link}> map onto the specified
1666	map is not valid (or omitted), the player will be moved back to the	1792	map. If the map is not valid (or omitted), the player will be moved back
1667	location he/she was before the call to C<enter_link>, or, if that fails,	1793	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	1794	fails, to the emergency map position.
1669		1795
1670	Might block.	1796	Might block.
1671		1797
1672	=cut	1798	=cut
		1799
		1800	sub link_map {
		1801	unless ($LINK_MAP) {
		1802	$LINK_MAP = cf::map::find "{link}"
		1803	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1804	$LINK_MAP->load;
		1805	}
		1806
		1807	$LINK_MAP
		1808	}
1673		1809
1674	sub cf::object::player::enter_link {	1810	sub cf::object::player::enter_link {
1675	my ($self) = @_;	1811	my ($self) = @_;
1676		1812
1677	$self->deactivate_recursive;	1813	$self->deactivate_recursive;
1678		1814
1679	return if $self->map == $LINK_MAP;	1815	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		1816
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	1818	if $self->map;
1683		1819
1684	$self->enter_map ($LINK_MAP, 20, 20);	1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1685	}	1821	}
1686		1822
1687	sub cf::object::player::leave_link {	1823	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	1824	my ($self, $map, $x, $y) = @_;
1689		1825
…		…
1707	# use -1 or undef as default coordinates, not 0, 0	1843	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	1844	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	1845	if $x <=0 && $y <= 0;
1710		1846
1711	$map->load;	1847	$map->load;
		1848	$map->load_diag;
1712		1849
1713	return unless $self->contr->active;	1850	return unless $self->contr->active;
1714	$self->activate_recursive;	1851	$self->activate_recursive;
		1852
		1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1715	$self->enter_map ($map, $x, $y);	1854	$self->enter_map ($map, $x, $y);
1716	}	1855	}
1717		1856
1718	cf::player->attach (	1857	cf::player->attach (
1719	on_logout => sub {	1858	on_logout => sub {
…		…
1732	# try to abort aborted map switching on player login :)	1871	# try to abort aborted map switching on player login :)
1733	# should happen only on crashes	1872	# should happen only on crashes
1734	if ($pl->ob->{_link_pos}) {	1873	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;	1874	$pl->ob->enter_link;
1736	(async {	1875	(async {
1737	# we need this sleep as the login has a concurrent enter_exit running
1738	# and this sleep increases chances of the player not ending up in scorn
1739	$pl->ob->reply (undef,	1876	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "	1877	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",	1878	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);	1879	cf::NDI_RED);
		1880	# we need this sleep as the login has a concurrent enter_exit running
		1881	# and this sleep increases chances of the player not ending up in scorn
1743	Coro::Timer::sleep 1;	1882	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;	1883	$pl->ob->leave_link;
1745	})->prio (2);	1884	})->prio (2);
1746	}	1885	}
1747	},	1886	},
…		…
1752	=cut	1891	=cut
1753		1892
1754	sub cf::object::player::goto {	1893	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	1894	my ($self, $path, $x, $y) = @_;
1756		1895
1757	$path = new cf::path $path;
1758	$path ne "/" or Carp::cluck ("oy");#d#
1759
1760	$self->enter_link;	1896	$self->enter_link;
1761		1897
1762	(async {	1898	(async {
		1899	my $map = eval {
1763	my $map = cf::map::find $path->as_string;	1900	my $map = cf::map::find $path;
1764	$map = $map->customise_for ($self) if $map;	1901	$map = $map->customise_for ($self) if $map;
1765		1902	$map
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	1903	} or
1767	# if $map;
1768
1769	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1770		1905
1771	$self->leave_link ($map, $x, $y);	1906	$self->leave_link ($map, $x, $y);
1772	})->prio (1);	1907	})->prio (1);
1773	}	1908	}
1774		1909
…		…
1778		1913
1779	sub parse_random_map_params {	1914	sub parse_random_map_params {
1780	my ($spec) = @_;	1915	my ($spec) = @_;
1781		1916
1782	my $rmp = { # defaults	1917	my $rmp = { # defaults
1783	xsize => 10,	1918	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	1919	ysize => (cf::rndm 15, 40),
		1920	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1921	#layout => string,
1785	};	1922	};
1786		1923
1787	for (split /\n/, $spec) {	1924	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	1925	my ($k, $v) = split /\s+/, $_, 2;
1789		1926
…		…
1793	$rmp	1930	$rmp
1794	}	1931	}
1795		1932
1796	sub prepare_random_map {	1933	sub prepare_random_map {
1797	my ($exit) = @_;	1934	my ($exit) = @_;
		1935
		1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1798		1937
1799	# all this does is basically replace the /! path by	1938	# all this does is basically replace the /! path by
1800	# a new random map path (?random/...) with a seed	1939	# a new random map path (?random/...) with a seed
1801	# that depends on the exit object	1940	# that depends on the exit object
1802		1941
1803	my $rmp = parse_random_map_params $exit->msg;	1942	my $rmp = parse_random_map_params $exit->msg;
1804		1943
1805	if ($exit->map) {	1944	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	1945	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	1946	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	1947	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	1948	$rmp->{origin_y} = $exit->y;
1810	}	1949	}
1811		1950
1812	$rmp->{random_seed} ||= $exit->random_seed;	1951	$rmp->{random_seed} ||= $exit->random_seed;
1813		1952
1814	my $data = cf::to_json $rmp;	1953	my $data = cf::to_json $rmp;
1815	my $md5 = Digest::MD5::md5_hex $data;	1954	my $md5 = Digest::MD5::md5_hex $data;
		1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1816		1956
1817	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818	aio_write $fh, 0, (length $data), $data, 0;	1958	aio_write $fh, 0, (length $data), $data, 0;
		1959	undef $fh;
		1960	aio_rename "$meta~", $meta;
1819		1961
1820	$exit->slaying ("?random/$md5");	1962	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	1963	$exit->msg (undef);
1822	}	1964	}
1823	}	1965	}
1824		1966
1825	sub cf::object::player::enter_exit {	1967	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	1968	my ($self, $exit) = @_;
1827		1969
1828	return unless $self->type == cf::PLAYER;	1970	return unless $self->type == cf::PLAYER;
		1971
		1972	if ($exit->slaying eq "/!") {
		1973	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1974	cf::sync_job { prepare_random_map $exit };
		1975	}
		1976
		1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1978	my $hp = $exit->stats->hp;
		1979	my $sp = $exit->stats->sp;
1829		1980
1830	$self->enter_link;	1981	$self->enter_link;
1831		1982
1832	(async {	1983	(async {
1833	$self->deactivate_recursive; # just to be sure	1984	$self->deactivate_recursive; # just to be sure
1834	unless (eval {	1985	unless (eval {
1835	prepare_random_map $exit	1986	$self->goto ($slaying, $hp, $sp);
1836	if $exit->slaying eq "/!";
1837
1838	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1839	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1840		1987
1841	1;	1988	1;
1842	}) {	1989	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	1990	$self->message ("Something went wrong deep within the crossfire server. "
1844	. "I'll try to bring you back to the map you were before. "	1991	. "I'll try to bring you back to the map you were before. "
1845	. "Please report this to the dungeon master",	1992	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	1993	cf::NDI_UNIQUE | cf::NDI_RED);
1847		1994
1848	warn "ERROR in enter_exit: $@";	1995	warn "ERROR in enter_exit: $@";
1849	$self->leave_link;	1996	$self->leave_link;
1850	}	1997	}
…		…
1864		2011
1865	sub cf::client::send_drawinfo {	2012	sub cf::client::send_drawinfo {
1866	my ($self, $text, $flags) = @_;	2013	my ($self, $text, $flags) = @_;
1867		2014
1868	utf8::encode $text;	2015	utf8::encode $text;
1869	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1870	}	2017	}
1871		2018
1872		2019
1873	=item $success = $client->query ($flags, "text", \&cb)	2020	=item $success = $client->query ($flags, "text", \&cb)
1874		2021
…		…
1905	# get handled first	2052	# get handled first
1906	my $queue = delete $ns->{query_queue}	2053	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	2054	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		2055
1909	(shift @$queue)->[1]->($msg);	2056	(shift @$queue)->[1]->($msg);
		2057	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		2058
1911	push @{ $ns->{query_queue} }, @$queue;	2059	push @{ $ns->{query_queue} }, @$queue;
1912		2060
1913	if (@{ $ns->{query_queue} } == @$queue) {	2061	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	2062	if (@$queue) {
…		…
1972		2120
1973	# here we export the classes and methods available to script code	2121	# here we export the classes and methods available to script code
1974		2122
1975	=pod	2123	=pod
1976		2124
1977	The following fucntions and emthods are available within a safe environment:	2125	The following functions and methods are available within a safe environment:
1978		2126
1979	cf::object contr pay_amount pay_player map	2127	cf::object contr pay_amount pay_player map
1980	cf::object::player player	2128	cf::object::player player
1981	cf::player peaceful	2129	cf::player peaceful
1982	cf::map trigger	2130	cf::map trigger
…		…
2075	The parameter C<$family> should best start with the name of the extension	2223	The parameter C<$family> should best start with the name of the extension
2076	using it, it should be unique.	2224	using it, it should be unique.
2077		2225
2078	=over 4	2226	=over 4
2079		2227
2080	=item $hashref = cf::db_get $family
2081
2082	Return a hashref for use by the extension C<$family>, which can be
2083	modified. After modifications, you have to call C<cf::db_dirty> or
2084	C<cf::db_sync>.
2085
2086	=item $value = cf::db_get $family => $key	2228	=item $value = cf::db_get $family => $key
2087		2229
2088	Returns a single value from the database	2230	Returns a single value from the database.
2089
2090	=item cf::db_put $family => $hashref
2091
2092	Stores the given family hashref into the database. Updates are delayed, if
2093	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2094		2231
2095	=item cf::db_put $family => $key => $value	2232	=item cf::db_put $family => $key => $value
2096		2233
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you	2234	Stores the given C<$value> in the family.
2098	want the data to be synced to disk immediately, use C<cf::db_sync>.
2099
2100	=item cf::db_dirty
2101
2102	Marks the database as dirty, to be updated at a later time.
2103
2104	=item cf::db_sync
2105
2106	Immediately write the database to disk I<if it is dirty>.
2107		2235
2108	=cut	2236	=cut
2109		2237
2110	our $DB;	2238	our $DB;
2111		2239
2112	{	2240	sub db_init {
		2241	unless ($DB) {
		2242	$DB = BDB::db_create $DB_ENV;
		2243
		2244	cf::sync_job {
		2245	eval {
		2246	$DB->set_flags (BDB::CHKSUM);
		2247
		2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2250	cf::cleanup "db_open(db): $!" if $!;
		2251	};
		2252	cf::cleanup "db_open(db): $@" if $@;
		2253	};
		2254
2113	my $path = cf::localdir . "/database.pst";	2255	my $path = cf::localdir . "/database.pst";
		2256	if (stat $path) {
		2257	cf::sync_job {
		2258	my $pst = Storable::retrieve $path;
2114		2259
2115	sub db_load() {	2260	cf::db_put (board => data => $pst->{board});
2116	$DB = stat $path ? Storable::retrieve $path : { };	2261	cf::db_put (guildrules => data => $pst->{guildrules});
2117	}	2262	cf::db_put (rent => balance => $pst->{rent}{balance});
		2263	BDB::db_env_txn_checkpoint $DB_ENV;
2118		2264
2119	my $pid;	2265	unlink $path;
2120
2121	sub db_save() {
2122	waitpid $pid, 0 if $pid;
2123	if (0 == ($pid = fork)) {
2124	$DB->{_meta}{version} = 1;
2125	Storable::nstore $DB, "$path~";
2126	rename "$path~", $path;
2127	cf::_exit 0 if defined $pid;
2128	}	2266	};
2129	}	2267	}
2130
2131	my $dirty;
2132
2133	sub db_sync() {
2134	db_save if $dirty;
2135	undef $dirty;
2136	}
2137
2138	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2139	db_sync;
2140	});	2268	}
		2269	}
2141		2270
2142	sub db_dirty() {
2143	$dirty = 1;
2144	$idle->start;
2145	}
2146
2147	sub db_get($;$) {	2271	sub db_get($$) {
2148	@_ >= 2	2272	my $key = "$_[0]/$_[1]";
2149	? $DB->{$_[0]}{$_[1]}
2150	: ($DB->{$_[0]} ||= { })
2151	}
2152		2273
		2274	cf::sync_job {
		2275	BDB::db_get $DB, undef, $key, my $data;
		2276
		2277	$! ? ()
		2278	: Compress::LZF::sthaw $data
		2279	}
		2280	}
		2281
2153	sub db_put($$;$) {	2282	sub db_put($$$) {
2154	if (@_ >= 3) {	2283	BDB::dbreq_pri 4;
2155	$DB->{$_[0]}{$_[1]} = $_[2];	2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2285	}
		2286
		2287	#############################################################################
		2288	# the server's init and main functions
		2289
		2290	sub load_facedata {
		2291	my $path = sprintf "%s/facedata", cf::datadir;
		2292
		2293	warn "loading facedata from $path\n";
		2294
		2295	my $faces;
		2296	0 < aio_load $path, $faces
		2297	or die "$path: $!";
		2298
		2299	Coro::cede;
		2300	$faces = Storable::thaw $faces;
		2301	Coro::cede;
		2302
		2303	my $meta = delete $faces->{""};
		2304	$meta->{version} == 1
		2305	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2306
		2307	while (my ($face, $info) = each %$faces) {
		2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2312	Coro::cede;
		2313	}
		2314
		2315	while (my ($face, $info) = each %$faces) {
		2316	next unless $info->{smooth};
		2317	my $idx = cf::face::find $face
		2318	or next;
		2319	if (my $smooth = cf::face::find $info->{smooth}) {
		2320	cf::face::set_smooth $idx, $smooth;
2156	} else {	2321	} else {
2157	$DB->{$_[0]} = $_[1];	2322	warn "smooth face '$info->{smooth}' not found for face '$face'";
2158	}
2159	db_dirty;
2160	}
2161
2162	cf::global->attach (
2163	prio => 10000,
2164	on_cleanup => sub {
2165	db_sync;
2166	},	2323	}
2167	);	2324	Coro::cede;
2168	}	2325	}
2169		2326
2170	#############################################################################	2327	1
2171	# the server's main()	2328	}
		2329
		2330	sub reload_resources {
		2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2332	or die "unable to load regions file\n";#d#
		2333	load_facedata
		2334	or die "unable to load facedata\n";#d#
		2335	}
		2336
		2337	sub init {
		2338	reload_resources;
		2339	}
2172		2340
2173	sub cfg_load {	2341	sub cfg_load {
2174	open my $fh, "<:utf8", cf::confdir . "/config"	2342	open my $fh, "<:utf8", cf::confdir . "/config"
2175	or return;	2343	or return;
2176		2344
…		…
2193		2361
2194	sub main {	2362	sub main {
2195	# we must not ever block the main coroutine	2363	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	2364	local $Coro::idle = sub {
2197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2366	(async {
2198	async { Event::one_event };	2367	Event::one_event;
		2368	})->prio (Coro::PRIO_MAX);
2199	};	2369	};
2200		2370
2201	cfg_load;	2371	cfg_load;
2202	db_load;	2372	db_init;
2203	load_extensions;	2373	load_extensions;
		2374
		2375	$TICK_WATCHER->start;
2204	Event::loop;	2376	Event::loop;
2205	}	2377	}
2206		2378
2207	#############################################################################	2379	#############################################################################
2208	# initialisation and cleanup	2380	# initialisation and cleanup
2209		2381
2210	# install some emergency cleanup handlers	2382	# install some emergency cleanup handlers
2211	BEGIN {	2383	BEGIN {
2212	for my $signal (qw(INT HUP TERM)) {	2384	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	2385	Event->signal (
		2386	reentrant => 0,
2214	data => WF_AUTOCANCEL,	2387	data => WF_AUTOCANCEL,
2215	signal => $signal,	2388	signal => $signal,
		2389	prio => 0,
2216	cb => sub {	2390	cb => sub {
2217	cf::cleanup "SIG$signal";	2391	cf::cleanup "SIG$signal";
2218	},	2392	},
2219	);	2393	);
2220	}	2394	}
2221	}	2395	}
2222		2396
2223	sub emergency_save {	2397	sub emergency_save() {
2224	my $freeze_guard = cf::freeze_mainloop;	2398	my $freeze_guard = cf::freeze_mainloop;
2225		2399
2226	warn "enter emergency perl save\n";	2400	warn "enter emergency perl save\n";
2227		2401
2228	cf::sync_job {	2402	cf::sync_job {
2229	# use a peculiar iteration method to avoid tripping on perl	2403	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	2404	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	2405	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	2406	warn "begin emergency player save\n";
2233	for my $login (keys %cf::PLAYER) {	2407	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	2408	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	2409	$pl->valid or next;
2236	$pl->save;	2410	$pl->save;
…		…
2242	my $map = $cf::MAP{$path} or next;	2416	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	2417	$map->valid or next;
2244	$map->save;	2418	$map->save;
2245	}	2419	}
2246	warn "end emergency map save\n";	2420	warn "end emergency map save\n";
		2421
		2422	warn "begin emergency database checkpoint\n";
		2423	BDB::db_env_txn_checkpoint $DB_ENV;
		2424	warn "end emergency database checkpoint\n";
2247	};	2425	};
2248		2426
2249	warn "leave emergency perl save\n";	2427	warn "leave emergency perl save\n";
		2428	}
		2429
		2430	sub post_cleanup {
		2431	my ($make_core) = @_;
		2432
		2433	warn Carp::longmess "post_cleanup backtrace"
		2434	if $make_core;
2250	}	2435	}
2251		2436
2252	sub reload() {	2437	sub reload() {
2253	# can/must only be called in main	2438	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	2439	if ($Coro::current != $Coro::main) {
2255	warn "can only reload from main coroutine\n";	2440	warn "can only reload from main coroutine";
2256	return;	2441	return;
2257	}	2442	}
2258		2443
2259	warn "reloading...";	2444	warn "reloading...";
2260		2445
2261	my $guard = freeze_mainloop;	2446	warn "entering sync_job";
		2447
		2448	cf::sync_job {
		2449	cf::write_runtime; # external watchdog should not bark
2262	cf::emergency_save;	2450	cf::emergency_save;
		2451	cf::write_runtime; # external watchdog should not bark
2263		2452
2264	eval {	2453	warn "syncing database to disk";
		2454	BDB::db_env_txn_checkpoint $DB_ENV;
		2455
2265	# if anything goes wrong in here, we should simply crash as we already saved	2456	# if anything goes wrong in here, we should simply crash as we already saved
2266		2457
2267	# cancel all watchers	2458	warn "cancelling all WF_AUTOCANCEL watchers";
2268	for (Event::all_watchers) {	2459	for (Event::all_watchers) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;	2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2270	}	2461	}
2271		2462
		2463	warn "flushing outstanding aio requests";
		2464	for (;;) {
		2465	BDB::flush;
		2466	IO::AIO::flush;
		2467	Coro::cede;
		2468	last unless IO::AIO::nreqs || BDB::nreqs;
		2469	warn "iterate...";
		2470	}
		2471
		2472	++$RELOAD;
		2473
2272	# cancel all extension coros	2474	warn "cancelling all extension coros";
2273	$_->cancel for values %EXT_CORO;	2475	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();	2476	%EXT_CORO = ();
2275		2477
2276	# unload all extensions	2478	warn "removing commands";
2277	for (@exts) {	2479	%COMMAND = ();
		2480
		2481	warn "removing ext commands";
		2482	%EXTCMD = ();
		2483
		2484	warn "unloading/nuking all extensions";
		2485	for my $pkg (@EXTS) {
2278	warn "unloading <$_>";	2486	warn "... unloading $pkg";
2279	unload_extension $_;	2487
		2488	if (my $cb = $pkg->can ("unload")) {
		2489	eval {
		2490	$cb->($pkg);
		2491	1
		2492	} or warn "$pkg unloaded, but with errors: $@";
2280	}	2493	}
2281		2494
		2495	warn "... nuking $pkg";
		2496	Symbol::delete_package $pkg;
		2497	}
		2498
2282	# unload all modules loaded from $LIBDIR	2499	warn "unloading all perl modules loaded from $LIBDIR";
2283	while (my ($k, $v) = each %INC) {	2500	while (my ($k, $v) = each %INC) {
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285		2502
2286	warn "removing <$k>";	2503	warn "... unloading $k";
2287	delete $INC{$k};	2504	delete $INC{$k};
2288		2505
2289	$k =~ s/\.pm$//;	2506	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;	2507	$k =~ s/\//::/g;
2291		2508
…		…
2294	}	2511	}
2295		2512
2296	Symbol::delete_package $k;	2513	Symbol::delete_package $k;
2297	}	2514	}
2298		2515
2299	# sync database to disk
2300	cf::db_sync;
2301	IO::AIO::flush;
2302
2303	# get rid of safe::, as good as possible	2516	warn "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	2517	Symbol::delete_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		2519
2307	# remove register_script_function callbacks
2308	# TODO
2309
2310	# unload cf.pm "a bit"	2520	warn "unloading cf.pm \"a bit\"";
2311	delete $INC{"cf.pm"};	2521	delete $INC{"cf.pm"};
2312		2522
2313	# don't, removes xs symbols, too,	2523	# don't, removes xs symbols, too,
2314	# and global variables created in xs	2524	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	2525	#Symbol::delete_package __PACKAGE__;
2316		2526
2317	# reload cf.pm	2527	warn "unload completed, starting to reload now";
		2528
2318	warn "reloading cf.pm";	2529	warn "reloading cf.pm";
2319	require cf;	2530	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2321		2532
2322	# load config and database again	2533	warn "loading config and database again";
2323	cf::cfg_load;	2534	cf::cfg_load;
2324	cf::db_load;
2325		2535
2326	# load extensions
2327	warn "load extensions";	2536	warn "loading extensions";
2328	cf::load_extensions;	2537	cf::load_extensions;
2329		2538
2330	# reattach attachments to objects	2539	warn "reattaching attachments to objects/players";
2331	warn "reattach";	2540	_global_reattach; # objects, sockets
2332	_global_reattach;	2541	warn "reattaching attachments to maps";
2333	reattach $_ for values %MAP;	2542	reattach $_ for values %MAP;
2334	};	2543	warn "reattaching attachments to players";
		2544	reattach $_ for values %PLAYER;
2335		2545
2336	if ($@) {	2546	warn "loading reloadable resources";
		2547	reload_resources;
		2548
		2549	warn "leaving sync_job";
		2550
		2551	1
		2552	} or do {
2337	warn $@;	2553	warn $@;
2338	warn "error while reloading, exiting.";	2554	warn "error while reloading, exiting.";
2339	exit 1;	2555	exit 1;
2340	}	2556	};
2341		2557
2342	warn "reloaded successfully";	2558	warn "reloaded";
2343	};	2559	};
2344		2560
2345	#############################################################################	2561	our $RELOAD_WATCHER; # used only during reload
2346
2347	unless ($LINK_MAP) {
2348	$LINK_MAP = cf::map::new;
2349
2350	$LINK_MAP->width (41);
2351	$LINK_MAP->height (41);
2352	$LINK_MAP->alloc;
2353	$LINK_MAP->path ("{link}");
2354	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2355	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2356
2357	# dirty hack because... archetypes are not yet loaded
2358	Event->timer (
2359	after => 10,
2360	cb => sub {
2361	$_[0]->w->cancel;
2362
2363	# provide some exits "home"
2364	my $exit = cf::object::new "exit";
2365
2366	$exit->slaying ($EMERGENCY_POSITION->[0]);
2367	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2368	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2369
2370	$LINK_MAP->insert ($exit->clone, 19, 19);
2371	$LINK_MAP->insert ($exit->clone, 19, 20);
2372	$LINK_MAP->insert ($exit->clone, 19, 21);
2373	$LINK_MAP->insert ($exit->clone, 20, 19);
2374	$LINK_MAP->insert ($exit->clone, 20, 21);
2375	$LINK_MAP->insert ($exit->clone, 21, 19);
2376	$LINK_MAP->insert ($exit->clone, 21, 20);
2377	$LINK_MAP->insert ($exit->clone, 21, 21);
2378
2379	$exit->destroy;
2380	});
2381
2382	$LINK_MAP->{deny_save} = 1;
2383	$LINK_MAP->{deny_reset} = 1;
2384
2385	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386	}
2387
2388	register "<global>", __PACKAGE__;
2389		2562
2390	register_command "reload" => sub {	2563	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	2564	my ($who, $arg) = @_;
2392		2565
2393	if ($who->flag (FLAG_WIZ)) {	2566	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");	2567	$who->message ("reloading server.");
		2568
		2569	# doing reload synchronously and two reloads happen back-to-back,
		2570	# coro crashes during coro_state_free->destroy here.
		2571
		2572	$RELOAD_WATCHER ||= Event->timer (
		2573	reentrant => 0,
		2574	after => 0,
		2575	data => WF_AUTOCANCEL,
		2576	cb => sub {
2395	reload;	2577	reload;
2396	$who->message ("end of reload.");	2578	undef $RELOAD_WATCHER;
		2579	},
		2580	);
2397	}	2581	}
2398	};	2582	};
2399		2583
2400	unshift @INC, $LIBDIR;	2584	unshift @INC, $LIBDIR;
		2585
		2586	my $bug_warning = 0;
2401		2587
2402	$TICK_WATCHER = Event->timer (	2588	$TICK_WATCHER = Event->timer (
2403	reentrant => 0,	2589	reentrant => 0,
		2590	parked => 1,
2404	prio => 0,	2591	prio => 0,
2405	at => $NEXT_TICK || $TICK,	2592	at => $NEXT_TICK || $TICK,
2406	data => WF_AUTOCANCEL,	2593	data => WF_AUTOCANCEL,
2407	cb => sub {	2594	cb => sub {
		2595	if ($Coro::current != $Coro::main) {
		2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2597	unless ++$bug_warning > 10;
		2598	return;
		2599	}
		2600
		2601	$NOW = Event::time;
		2602
2408	cf::server_tick; # one server iteration	2603	cf::server_tick; # one server iteration
2409	$RUNTIME += $TICK;	2604	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;	2605	$NEXT_TICK += $TICK;
2411		2606
		2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2608	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2609	Coro::async_pool {
		2610	write_runtime
		2611	or warn "ERROR: unable to write runtime file: $!";
		2612	};
		2613	}
		2614
2412	$WAIT_FOR_TICK->broadcast;	2615	$WAIT_FOR_TICK->broadcast;
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2617
		2618	# my $AFTER = Event::time;
		2619	# warn $AFTER - $NOW;#d#
2414		2620
2415	# if we are delayed by four ticks or more, skip them all	2621	# if we are delayed by four ticks or more, skip them all
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2417		2623
2418	$TICK_WATCHER->at ($NEXT_TICK);	2624	$TICK_WATCHER->at ($NEXT_TICK);
2419	$TICK_WATCHER->start;	2625	$TICK_WATCHER->start;
2420	},	2626	},
2421	);	2627	);
2422		2628
		2629	{
2423	IO::AIO::max_poll_time $TICK * 0.2;	2630	BDB::max_poll_time $TICK * 0.1;
2424		2631	$BDB_POLL_WATCHER = Event->io (
2425	Event->io (	2632	reentrant => 0,
2426	fd => IO::AIO::poll_fileno,	2633	fd => BDB::poll_fileno,
2427	poll => 'r',	2634	poll => 'r',
2428	prio => 5,	2635	prio => 0,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,	2636	data => WF_AUTOCANCEL,
2435	after => 0,	2637	cb => \&BDB::poll_cb,
2436	interval => 10,	2638	);
2437	cb => sub {	2639	BDB::min_parallel 8;
2438	(Coro::unblock_sub {	2640
2439	write_runtime	2641	BDB::set_sync_prepare {
2440	or warn "ERROR: unable to write runtime file: $!";	2642	my $status;
		2643	my $current = $Coro::current;
		2644	(
		2645	sub {
		2646	$status = $!;
		2647	$current->ready; undef $current;
		2648	},
		2649	sub {
		2650	Coro::schedule while defined $current;
		2651	$! = $status;
		2652	},
		2653	)
		2654	};
		2655
		2656	unless ($DB_ENV) {
		2657	$DB_ENV = BDB::db_env_create;
		2658
		2659	cf::sync_job {
		2660	eval {
		2661	BDB::db_env_open
		2662	$DB_ENV,
		2663	$BDB_ENV_DIR,
		2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2666	0666;
		2667
		2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2669
		2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2671	$DB_ENV->set_lk_detect;
		2672	};
		2673
		2674	cf::cleanup "db_env_open(db): $@" if $@;
2441	})->();	2675	};
2442	},	2676	}
2443	);	2677	}
		2678
		2679	{
		2680	IO::AIO::min_parallel 8;
		2681
		2682	undef $Coro::AIO::WATCHER;
		2683	IO::AIO::max_poll_time $TICK * 0.1;
		2684	$AIO_POLL_WATCHER = Event->io (
		2685	reentrant => 0,
		2686	data => WF_AUTOCANCEL,
		2687	fd => IO::AIO::poll_fileno,
		2688	poll => 'r',
		2689	prio => 6,
		2690	cb => \&IO::AIO::poll_cb,
		2691	);
		2692	}
2444		2693
2445	END { cf::emergency_save }	2694	END { cf::emergency_save }
2446		2695
2447	1	2696	1
2448		2697

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