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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 1.227 by root, Fri Mar 23 18:32:48 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;
…		…
362	}	376	}
363		377
364	=back	378	=back
365		379
366	=cut	380	=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		381
490	#############################################################################	382	#############################################################################
491		383
492	=head2 ATTACHABLE OBJECTS	384	=head2 ATTACHABLE OBJECTS
493		385
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	511	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	512	our @CB_MAP = ();
621		513
622	my %attachment;	514	my %attachment;
623		515
		516	sub cf::attachable::thawer_merge {
		517	# simply override everything except _meta
		518	local $_[0]{_meta};
		519	%{$_[0]} = %{$_[1]};
		520	}
		521
624	sub _attach_cb($$$$) {	522	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	523	my ($registry, $event, $prio, $cb) = @_;
626		524
627	use sort 'stable';	525	use sort 'stable';
628		526
…		…
799	# object support	697	# object support
800		698
801	sub reattach {	699	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	700	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	701	my ($obj) = @_;
		702
		703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		704
805	my $registry = $obj->registry;	705	my $registry = $obj->registry;
806		706
807	@$registry = ();	707	@$registry = ();
808		708
…		…
855	$filename, length $$rdata, scalar @$objs;	755	$filename, length $$rdata, scalar @$objs;
856		756
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	758	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	760	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	761	close $fh;
862		762
863	if (@$objs) {	763	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	765	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	766	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	767	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	769	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	770	aio_rename "$filename.pst~", "$filename.pst";
871	}	771	}
872	} else {	772	} else {
873	aio_unlink "$filename.pst";	773	aio_unlink "$filename.pst";
…		…
940	=cut	840	=cut
941		841
942	sub register_extcmd {	842	sub register_extcmd {
943	my ($name, $cb) = @_;	843	my ($name, $cb) = @_;
944		844
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	845	$EXTCMD{$name} = $cb;
949	}	846	}
950		847
951	cf::player->attach (	848	cf::player->attach (
952	on_command => sub {	849	on_command => sub {
953	my ($pl, $name, $params) = @_;	850	my ($pl, $name, $params) = @_;
…		…
966		863
967	my $msg = eval { from_json $buf };	864	my $msg = eval { from_json $buf };
968		865
969	if (ref $msg) {	866	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	868	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	869	$pl->ext_reply ($msg->{msgid}, %reply);
973	}	870	}
974	}	871	}
975	} else {	872	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
978		875
979	cf::override;	876	cf::override;
980	},	877	},
981	);	878	);
982		879
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	880	sub load_extension {
990	my ($path) = @_;	881	my ($path) = @_;
991		882
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;	884	my $base = $1;
994	my $pkg = $1;	885	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;	886	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";	887	$pkg = "ext::$pkg";
997		888
998	warn "loading '$path' into '$pkg'\n";	889	warn "... loading '$path' into '$pkg'\n";
999		890
1000	open my $fh, "<:utf8", $path	891	open my $fh, "<:utf8", $path
1001	or die "$path: $!";	892	or die "$path: $!";
1002		893
1003	my $source =	894	my $source =
1004	"package $pkg; use strict; use utf8;\n"	895	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"	896	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })	897	. (do { local $/; <$fh> })
1007	. "\n};\n1";	898	. "\n};\n1";
1008		899
1009	eval $source	900	unless (eval $source) {
1010	or die $@ ? "$path: $@\n"	901	my $msg = $@ ? "$path: $@\n"
1011	: "extension disabled.\n";	902	: "extension disabled.\n";
1012		903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013	push @exts, $pkg;	904	warn $@;
1014	$ext_pkg{$base} = $pkg;	905	warn "mandatory extension failed to load, exiting.\n";
1015		906	exit 1;
1016	# no strict 'refs';	907	}
1017	# @{"$pkg\::ISA"} = ext::;	908	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	# }	909	}
1032		910
1033	# remove commands	911	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	}	912	}
1058		913
1059	sub load_extensions {	914	sub load_extensions {
1060	for my $ext (<$LIBDIR/*.ext>) {	915	for my $ext (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	916	next unless -r $ext;
…		…
1065	} or warn "$ext not loaded: $@";	920	} or warn "$ext not loaded: $@";
1066	}	921	}
1067	}	922	}
1068		923
1069	#############################################################################	924	#############################################################################
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		925
1085	=head2 CORE EXTENSIONS	926	=head2 CORE EXTENSIONS
1086		927
1087	Functions and methods that extend core crossfire objects.	928	Functions and methods that extend core crossfire objects.
1088		929
…		…
1124		965
1125	sub exists($) {	966	sub exists($) {
1126	my ($login) = @_;	967	my ($login) = @_;
1127		968
1128	$cf::PLAYER{$login}	969	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	970	or cf::sync_job { !aio_stat path $login }
1130	}	971	}
1131		972
1132	sub find($) {	973	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	974	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	975	my $login = $_[0];
…		…
1180		1021
1181	=cut	1022	=cut
1182		1023
1183	sub quit_character {	1024	sub quit_character {
1184	my ($pl) = @_;	1025	my ($pl) = @_;
		1026
		1027	my $name = $pl->ob->name;
1185		1028
1186	$pl->{deny_save} = 1;	1029	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1030	$pl->password ("*"); # this should lock out the player until we nuked the dir
1188		1031
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1037	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1038	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1039	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1040	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1041	$pl->destroy;
		1042
		1043	my $prefix = qr<^~\Q$name\E/>;
		1044
		1045	# nuke player maps
		1046	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1047
1199	IO::AIO::aio_rmtree $temp;	1048	IO::AIO::aio_rmtree $temp;
		1049	}
		1050
		1051	=item $pl->kick
		1052
		1053	Kicks a player out of the game. This destroys the connection.
		1054
		1055	=cut
		1056
		1057	sub kick {
		1058	my ($pl, $kicker) = @_;
		1059
		1060	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1061	$pl->killer ("kicked");
		1062	$pl->ns->destroy;
1200	}	1063	}
1201		1064
1202	=item cf::player::list_logins	1065	=item cf::player::list_logins
1203		1066
1204	Returns am arrayref of all valid playernames in the system, can take a	1067	Returns am arrayref of all valid playernames in the system, can take a
…		…
1224	\@logins	1087	\@logins
1225	}	1088	}
1226		1089
1227	=item $player->maps	1090	=item $player->maps
1228		1091
1229	Returns an arrayref of cf::path's of all maps that are private for this	1092	Returns an arrayref of map paths that are private for this
1230	player. May block.	1093	player. May block.
1231		1094
1232	=cut	1095	=cut
1233		1096
1234	sub maps($) {	1097	sub maps($) {
1235	my ($pl) = @_;	1098	my ($pl) = @_;
		1099
		1100	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1101
1237	my $files = aio_readdir playerdir $pl	1102	my $files = aio_readdir playerdir $pl
1238	or return;	1103	or return;
1239		1104
1240	my @paths;	1105	my @paths;
1241		1106
1242	for (@$files) {	1107	for (@$files) {
1243	utf8::decode $_;	1108	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1109	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1110	next unless /^$PATH_SEP/o;
1246		1111
1247	s/$PATH_SEP/\//g;	1112	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1113	}
1250		1114
1251	\@paths	1115	\@paths
1252	}	1116	}
1253		1117
…		…
1279	package cf::map;	1143	package cf::map;
1280		1144
1281	use Fcntl;	1145	use Fcntl;
1282	use Coro::AIO;	1146	use Coro::AIO;
1283		1147
		1148	use overload
		1149	'""' => \&as_string,
		1150	fallback => 1;
		1151
1284	our $MAX_RESET = 3600;	1152	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1153	our $DEFAULT_RESET = 3000;
1286		1154
1287	sub generate_random_map {	1155	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1156	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1157	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1158	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1162	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1163	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1166	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1167	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1169	(cf::region::find $rmp->{region}), $rmp->{custom}
		1170	)
		1171	}
		1172
		1173	=item cf::map->register ($regex, $prio)
		1174
		1175	Register a handler for the map path matching the given regex at the
		1176	givne priority (higher is better, built-in handlers have priority 0, the
		1177	default).
		1178
		1179	=cut
		1180
		1181	sub register {
		1182	my (undef, $regex, $prio) = @_;
		1183	my $pkg = caller;
		1184
		1185	no strict;
		1186	push @{"$pkg\::ISA"}, __PACKAGE__;
		1187
		1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1189	}
		1190
		1191	# also paths starting with '/'
		1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1193
		1194	sub thawer_merge {
		1195	my ($self, $merge) = @_;
		1196
		1197	# we have to keep some variables in memory intact
		1198	local $self->{path};
		1199	local $self->{load_path};
		1200	local $self->{deny_save};
		1201	local $self->{deny_reset};
		1202
		1203	$self->SUPER::thawer_merge ($merge);
		1204	}
		1205
		1206	sub normalise {
		1207	my ($path, $base) = @_;
		1208
		1209	$path = "$path"; # make sure its a string
		1210
		1211	$path =~ s/\.map$//;
		1212
		1213	# map plan:
		1214	#
		1215	# /! non-realised random map exit (special hack!)
		1216	# {... are special paths that are not being touched
		1217	# ?xxx/... are special absolute paths
		1218	# ?random/... random maps
		1219	# /... normal maps
		1220	# ~user/... per-player map of a specific user
		1221
		1222	$path =~ s/$PATH_SEP/\//go;
		1223
		1224	# treat it as relative path if it starts with
		1225	# something that looks reasonable
		1226	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1227	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1228
		1229	$base =~ s{[^/]+/?$}{};
		1230	$path = "$base/$path";
		1231	}
		1232
		1233	for ($path) {
		1234	redo if s{//}{/};
		1235	redo if s{/\.?/}{/};
		1236	redo if s{/[^/]+/\.\./}{/};
		1237	}
		1238
		1239	$path
		1240	}
		1241
		1242	sub new_from_path {
		1243	my (undef, $path, $base) = @_;
		1244
		1245	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1246
		1247	$path = normalise $path, $base;
		1248
		1249	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1250	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1251	my $self = bless cf::map::new, $pkg;
		1252	$self->{path} = $path; $self->path ($path);
		1253	$self->init; # pass $1 etc.
		1254	return $self;
		1255	}
		1256	}
		1257
		1258	Carp::carp "unable to resolve path '$path' (base '$base').";
		1259	()
		1260	}
		1261
		1262	sub init {
		1263	my ($self) = @_;
		1264
		1265	$self
		1266	}
		1267
		1268	sub as_string {
		1269	my ($self) = @_;
		1270
		1271	"$self->{path}"
		1272	}
		1273
		1274	# the displayed name, this is a one way mapping
		1275	sub visible_name {
		1276	&as_string
		1277	}
		1278
		1279	# the original (read-only) location
		1280	sub load_path {
		1281	my ($self) = @_;
		1282
		1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1284	}
		1285
		1286	# the temporary/swap location
		1287	sub save_path {
		1288	my ($self) = @_;
		1289
		1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1292	}
		1293
		1294	# the unique path, undef == no special unique path
		1295	sub uniq_path {
		1296	my ($self) = @_;
		1297
		1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1304	}	1300	}
1305		1301
1306	# and all this just because we cannot iterate over	1302	# and all this just because we cannot iterate over
1307	# all maps in C++...	1303	# all maps in C++...
1308	sub change_all_map_light {	1304	sub change_all_map_light {
…		…
1310		1306
1311	$_->change_map_light ($change)	1307	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1308	for grep $_->outdoor, values %cf::MAP;
1313	}	1309	}
1314		1310
		1311	sub unlink_save {
		1312	my ($self) = @_;
		1313
		1314	utf8::encode (my $save = $self->save_path);
		1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1317	}
		1318
1315	sub try_load_header($) {	1319	sub load_header_from($) {
1316	my ($path) = @_;	1320	my ($self, $path) = @_;
1317		1321
1318	utf8::encode $path;	1322	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1320	or return;	1327	or return;
1321		1328
1322	my $map = cf::map::new	1329	$self->{load_path} = $path;
		1330
		1331	1
		1332	}
		1333
		1334	sub load_header_orig {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->load_path)
		1338	}
		1339
		1340	sub load_header_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->load_header_from ($self->save_path)
		1344	}
		1345
		1346	sub prepare_temp {
		1347	my ($self) = @_;
		1348
		1349	$self->last_access ((delete $self->{last_access})
		1350	|| $cf::RUNTIME); #d#
		1351	# safety
		1352	$self->{instantiate_time} = $cf::RUNTIME
		1353	if $self->{instantiate_time} > $cf::RUNTIME;
		1354	}
		1355
		1356	sub prepare_orig {
		1357	my ($self) = @_;
		1358
		1359	$self->{load_original} = 1;
		1360	$self->{instantiate_time} = $cf::RUNTIME;
		1361	$self->last_access ($cf::RUNTIME);
		1362	$self->instantiate;
		1363	}
		1364
		1365	sub load_header {
		1366	my ($self) = @_;
		1367
		1368	if ($self->load_header_temp) {
		1369	$self->prepare_temp;
		1370	} else {
		1371	$self->load_header_orig
1323	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1324		1375
1325	# for better error messages only, will be overwritten	1376	1
1326	$map->path ($path);
1327
1328	$map->load_header ($path)
1329	or return;
1330
1331	$map->{load_path} = $path;
1332
1333	$map
1334	}	1377	}
1335		1378
1336	sub find;	1379	sub find;
1337	sub find {	1380	sub find {
1338	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1339		1382
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1384
1345	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1346		1386
1347	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1349		1389	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;	1390	or return;
1369		1391
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;	1392	$map->{last_save} = $cf::RUNTIME;
1382		1393
1383	Coro::cede;	1394	$map->load_header
		1395	or return;
1384		1396
1385	if ($map->should_reset) {	1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1398	# doing this can freeze the server in a sync job, obviously
		1399	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1400	$map->reset;
1387	undef $guard;	1401	undef $guard;
1388	$map = find $path	1402	return find $path;
1389	or return;
1390	}	1403	}
1391		1404
1392	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1393	}	1406	}
1394	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1395		1411
1396	sub load {	1412	sub load {
1397	my ($self) = @_;	1413	my ($self) = @_;
1398		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1399	my $path = $self->{path};	1417	my $path = $self->{path};
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1401		1419
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1421
1404	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1405		1423
1406	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1407	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1429	or return;
1409		1430
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1432	if delete $self->{load_original};
1412		1433
1413	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1435	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1437	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1418	}	1439	}
1419	}	1440	}
1420		1441
1421	Coro::cede;	1442	Coro::cede;
1422		1443
1423	# now do the right thing for maps	1444	# now do the right thing for maps
1424	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1425		1446
1426	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1427	$self->{deny_save} = 1;	1448	$self->decay_objects;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1433	$self->set_darkness_map;	1452	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1436	$self->activate;	1456	$self->activate;
1437	}	1457	}
1438		1458
1439	Coro::cede;	1459	$self->post_load;
1440		1460
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
		1462	}
		1463
		1464	sub customise_for {
		1465	my ($self, $ob) = @_;
		1466
		1467	return find "~" . $ob->name . "/" . $self->{path}
		1468	if $self->per_player;
		1469
		1470	$self
1442	}	1471	}
1443		1472
1444	# find and load all maps in the 3x3 area around a map	1473	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	1474	sub load_diag {
1446	my ($map) = @_;	1475	my ($map) = @_;
…		…
1476		1505
1477	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1478	}	1507	}
1479		1508
1480	our %MAP_PREFETCH;	1509	our %MAP_PREFETCH;
1481	our $MAP_PREFETCHER = Coro::async {	1510	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		1511
1496	sub find_async {	1512	sub find_async {
1497	my ($path, $origin) = @_;	1513	my ($path, $origin) = @_;
1498		1514
1499	$path = new cf::path $path, $origin && $origin->path;	1515	$path = normalise $path, $origin && $origin->{path};
1500	my $key = $path->as_string;
1501		1516
1502	if (my $map = $cf::MAP{$key}) {	1517	if (my $map = $cf::MAP{$path}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}	1519	}
1505		1520
1506	$MAP_PREFETCH{$key} = $path;	1521	undef $MAP_PREFETCH{$path};
		1522	$MAP_PREFETCHER ||= cf::async {
		1523	while (%MAP_PREFETCH) {
		1524	for my $path (keys %MAP_PREFETCH) {
		1525	my $map = find $path
		1526	or next;
		1527	$map->load;
		1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
		1533	};
1507	$MAP_PREFETCHER->ready;	1534	$MAP_PREFETCHER->prio (6);
1508		1535
1509	()	1536	()
1510	}	1537	}
1511		1538
1512	sub save {	1539	sub save {
…		…
1516		1543
1517	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1518		1545
1519	return unless $self->dirty;	1546	return unless $self->dirty;
1520		1547
1521	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1523		1550
1524	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1525		1552
1526	return if $self->{deny_save};	1553	return if $self->{deny_save};
1527		1554
…		…
1530	cf::async {	1557	cf::async {
1531	$_->contr->save for $self->players;	1558	$_->contr->save for $self->players;
1532	};	1559	};
1533		1560
1534	if ($uniq) {	1561	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	1564	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}	1566	}
1540	}	1567	}
1541		1568
1542	sub swap_out {	1569	sub swap_out {
1543	my ($self) = @_;	1570	my ($self) = @_;
…		…
1557		1584
1558	sub reset_at {	1585	sub reset_at {
1559	my ($self) = @_;	1586	my ($self) = @_;
1560		1587
1561	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1564		1591
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		1594
…		…
1572	my ($self) = @_;	1599	my ($self) = @_;
1573		1600
1574	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1575	}	1602	}
1576		1603
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 {	1604	sub reset {
1599	my ($self) = @_;	1605	my ($self) = @_;
1600		1606
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		1608
1603	return if $self->players;	1609	return if $self->players;
1604	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1605		1611
1606	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1607		1613
		1614	$self->in_memory (cf::MAP_SWAPPED);
		1615
		1616	# need to save uniques path
		1617	unless ($self->{deny_save}) {
		1618	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1619
		1620	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1621	if $uniq;
		1622	}
		1623
1608	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1609		1627
1610	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1611		1629
1612	$self->unlink_save;	1630	$self->unlink_save;
1613	$self->destroy;	1631	$self->destroy;
…		…
1616	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1617		1635
1618	sub nuke {	1636	sub nuke {
1619	my ($self) = @_;	1637	my ($self) = @_;
1620		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1624	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1625	}	1652	}
1626		1653
1627	sub customise_for {	1654	=item cf::map::unique_maps
1628	my ($map, $ob) = @_;
1629		1655
1630	if ($map->per_player) {	1656	Returns an arrayref of paths of all shared maps that have
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1657	instantiated unique items. May block.
1632	}
1633		1658
1634	$map	1659	=cut
		1660
		1661	sub unique_maps() {
		1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
		1664
		1665	my @paths;
		1666
		1667	for (@$files) {
		1668	utf8::decode $_;
		1669	next if /\.pst$/;
		1670	next unless /^$PATH_SEP/o;
		1671
		1672	push @paths, cf::map::normalise $_;
		1673	}
		1674
		1675	\@paths
1635	}	1676	}
1636		1677
1637	package cf;	1678	package cf;
1638		1679
1639	=back	1680	=back
…		…
1711		1752
1712	=item $player_object->enter_link	1753	=item $player_object->enter_link
1713		1754
1714	Freezes the player and moves him/her to a special map (C<{link}>).	1755	Freezes the player and moves him/her to a special map (C<{link}>).
1715		1756
1716	The player should be reaosnably safe there for short amounts of time. You	1757	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.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1718		1759
		1760	Will never block.
		1761
1719	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1720		1763
1721	Moves the player out of the specila link map onto the given map. If the	1764	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	1765	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,	1766	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	1767	fails, to the emergency map position.
1725		1768
1726	Might block.	1769	Might block.
1727		1770
1728	=cut	1771	=cut
		1772
		1773	sub link_map {
		1774	unless ($LINK_MAP) {
		1775	$LINK_MAP = cf::map::find "{link}"
		1776	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1777	$LINK_MAP->load;
		1778	}
		1779
		1780	$LINK_MAP
		1781	}
1729		1782
1730	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1731	my ($self) = @_;	1784	my ($self) = @_;
1732		1785
1733	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1734		1787
1735	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		1789
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	1791	if $self->map;
1739		1792
1740	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	1794	}
1742		1795
1743	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1745		1798
…		…
1767	$map->load;	1820	$map->load;
1768	$map->load_diag;	1821	$map->load_diag;
1769		1822
1770	return unless $self->contr->active;	1823	return unless $self->contr->active;
1771	$self->activate_recursive;	1824	$self->activate_recursive;
		1825
		1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1773	}	1828	}
1774		1829
1775	cf::player->attach (	1830	cf::player->attach (
1776	on_logout => sub {	1831	on_logout => sub {
…		…
1789	# try to abort aborted map switching on player login :)	1844	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes	1845	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {	1846	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;	1847	$pl->ob->enter_link;
1793	(async {	1848	(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,	1849	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "	1850	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",	1851	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);	1852	cf::NDI_RED);
		1853	# we need this sleep as the login has a concurrent enter_exit running
		1854	# and this sleep increases chances of the player not ending up in scorn
1800	Coro::Timer::sleep 1;	1855	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;	1856	$pl->ob->leave_link;
1802	})->prio (2);	1857	})->prio (2);
1803	}	1858	}
1804	},	1859	},
…		…
1809	=cut	1864	=cut
1810		1865
1811	sub cf::object::player::goto {	1866	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1813		1868
1814	$path = new cf::path $path;
1815	$path ne "/" or Carp::cluck ("oy");#d#
1816
1817	$self->enter_link;	1869	$self->enter_link;
1818		1870
1819	(async {	1871	(async {
		1872	my $map = eval {
1820	my $map = cf::map::find $path->as_string;	1873	my $map = cf::map::find $path;
1821	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1822		1875	$map
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1827		1878
1828	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1829	})->prio (1);	1880	})->prio (1);
1830	}	1881	}
1831		1882
…		…
1835		1886
1836	sub parse_random_map_params {	1887	sub parse_random_map_params {
1837	my ($spec) = @_;	1888	my ($spec) = @_;
1838		1889
1839	my $rmp = { # defaults	1890	my $rmp = { # defaults
1840	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1842	};	1895	};
1843		1896
1844	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1846		1899
…		…
1850	$rmp	1903	$rmp
1851	}	1904	}
1852		1905
1853	sub prepare_random_map {	1906	sub prepare_random_map {
1854	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1855		1910
1856	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1857	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1858	# that depends on the exit object	1913	# that depends on the exit object
1859		1914
1860	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1861		1916
1862	if ($exit->map) {	1917	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1867	}	1922	}
1868		1923
1869	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1870		1925
1871	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1872	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1873		1929
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	1931	aio_write $fh, 0, (length $data), $data, 0;
		1932	undef $fh;
		1933	aio_rename "$meta~", $meta;
1876		1934
1877	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	1936	$exit->msg (undef);
1879	}	1937	}
1880	}	1938	}
1881		1939
1882	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1884		1942
1885	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
		1944
		1945	if ($exit->slaying eq "/!") {
		1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1947	cf::sync_job { prepare_random_map $exit };
		1948	}
		1949
		1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1951	my $hp = $exit->stats->hp;
		1952	my $sp = $exit->stats->sp;
1886		1953
1887	$self->enter_link;	1954	$self->enter_link;
1888		1955
1889	(async {	1956	(async {
1890	$self->deactivate_recursive; # just to be sure	1957	$self->deactivate_recursive; # just to be sure
1891	unless (eval {	1958	unless (eval {
1892	prepare_random_map $exit	1959	$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		1960
1898	1;	1961	1;
1899	}) {	1962	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1901	. "I'll try to bring you back to the map you were before. "	1964	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1904		1967
1905	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	1969	$self->leave_link;
1907	}	1970	}
…		…
1921		1984
1922	sub cf::client::send_drawinfo {	1985	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	1986	my ($self, $text, $flags) = @_;
1924		1987
1925	utf8::encode $text;	1988	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	1990	}
1928		1991
1929		1992
1930	=item $success = $client->query ($flags, "text", \&cb)	1993	=item $success = $client->query ($flags, "text", \&cb)
1931		1994
…		…
1962	# get handled first	2025	# get handled first
1963	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		2028
1966	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		2031
1968	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1969		2033
1970	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	2035	if (@$queue) {
…		…
2132	The parameter C<$family> should best start with the name of the extension	2196	The parameter C<$family> should best start with the name of the extension
2133	using it, it should be unique.	2197	using it, it should be unique.
2134		2198
2135	=over 4	2199	=over 4
2136		2200
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	2201	=item $value = cf::db_get $family => $key
2144		2202
2145	Returns a single value from the database	2203	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		2204
2152	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
2153		2206
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	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		2208
2165	=cut	2209	=cut
2166		2210
2167	our $DB;	2211	our $DB;
2168		2212
2169	{	2213	sub db_init {
		2214	unless ($DB) {
		2215	$DB = BDB::db_create $DB_ENV;
		2216
		2217	cf::sync_job {
		2218	eval {
		2219	$DB->set_flags (BDB::CHKSUM);
		2220
		2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2223	cf::cleanup "db_open(db): $!" if $!;
		2224	};
		2225	cf::cleanup "db_open(db): $@" if $@;
		2226	};
		2227
2170	my $path = cf::localdir . "/database.pst";	2228	my $path = cf::localdir . "/database.pst";
		2229	if (stat $path) {
		2230	cf::sync_job {
		2231	my $pst = Storable::retrieve $path;
2171		2232
2172	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
2173	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
2174	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
2175		2237
2176	my $pid;	2238	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	}	2239	};
2186	}	2240	}
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	});	2241	}
		2242	}
2198		2243
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}
2203
2204	sub db_get($;$) {	2244	sub db_get($$) {
2205	@_ >= 2	2245	my $key = "$_[0]/$_[1]";
2206	? $DB->{$_[0]}{$_[1]}
2207	: ($DB->{$_[0]} ||= { })
2208	}
2209		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
2210	sub db_put($$;$) {	2255	sub db_put($$$) {
2211	if (@_ >= 3) {	2256	BDB::dbreq_pri 4;
2212	$DB->{$_[0]}{$_[1]} = $_[2];	2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2258	}
		2259
		2260	#############################################################################
		2261	# the server's init and main functions
		2262
		2263	sub load_faces {
		2264	my $path = sprintf "%s/faces", cf::datadir;
		2265
		2266	warn "loading faces from $path\n";
		2267
		2268	my $faces;
		2269	0 < aio_load $path, $faces
		2270	or die "$path: $!";
		2271
		2272	Coro::cede;
		2273	$faces = Storable::thaw $faces;
		2274	Coro::cede;
		2275
		2276	my $meta = delete $faces->{""};
		2277	$meta->{version} == 1
		2278	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2279
		2280	while (my ($face, $info) = each %$faces) {
		2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2284	Coro::cede;
		2285	}
		2286
		2287	while (my ($face, $info) = each %$faces) {
		2288	next unless $info->{smooth};
		2289	my $idx = cf::face::find $face
		2290	or next;
		2291	if (my $smooth = cf::face::find $info->{smooth}) {
		2292	cf::face::set_smooth $idx, $smooth;
2213	} else {	2293	} else {
2214	$DB->{$_[0]} = $_[1];	2294	warn "smooth face '$info->{smooth}' not found for face '$face'";
2215	}
2216	db_dirty;
2217	}
2218
2219	cf::global->attach (
2220	prio => 10000,
2221	on_cleanup => sub {
2222	db_sync;
2223	},	2295	}
2224	);	2296	Coro::cede;
2225	}	2297	}
2226		2298
2227	#############################################################################	2299	1
2228	# the server's main()	2300	}
		2301
		2302	sub reload_resources {
		2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2304	or die "unable to load regions file\n";#d#
		2305	load_faces
		2306	or die "unable to load faces\n";#d#
		2307	}
		2308
		2309	sub init {
		2310	reload_resources;
		2311	}
2229		2312
2230	sub cfg_load {	2313	sub cfg_load {
2231	open my $fh, "<:utf8", cf::confdir . "/config"	2314	open my $fh, "<:utf8", cf::confdir . "/config"
2232	or return;	2315	or return;
2233		2316
…		…
2250		2333
2251	sub main {	2334	sub main {
2252	# we must not ever block the main coroutine	2335	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	2336	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2338	(async {
2255	async { Event::one_event };	2339	Event::one_event;
		2340	})->prio (Coro::PRIO_MAX);
2256	};	2341	};
2257		2342
2258	cfg_load;	2343	cfg_load;
2259	db_load;	2344	db_init;
2260	load_extensions;	2345	load_extensions;
		2346
		2347	$TICK_WATCHER->start;
2261	Event::loop;	2348	Event::loop;
2262	}	2349	}
2263		2350
2264	#############################################################################	2351	#############################################################################
2265	# initialisation and cleanup	2352	# initialisation and cleanup
2266		2353
2267	# install some emergency cleanup handlers	2354	# install some emergency cleanup handlers
2268	BEGIN {	2355	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	2356	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	2357	Event->signal (
		2358	reentrant => 0,
2271	data => WF_AUTOCANCEL,	2359	data => WF_AUTOCANCEL,
2272	signal => $signal,	2360	signal => $signal,
		2361	prio => 0,
2273	cb => sub {	2362	cb => sub {
2274	cf::cleanup "SIG$signal";	2363	cf::cleanup "SIG$signal";
2275	},	2364	},
2276	);	2365	);
2277	}	2366	}
2278	}	2367	}
…		…
2283	warn "enter emergency perl save\n";	2372	warn "enter emergency perl save\n";
2284		2373
2285	cf::sync_job {	2374	cf::sync_job {
2286	# use a peculiar iteration method to avoid tripping on perl	2375	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	2376	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	2377	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	2378	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	2379	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	2380	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	2381	$pl->valid or next;
2293	$pl->save;	2382	$pl->save;
…		…
2299	my $map = $cf::MAP{$path} or next;	2388	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	2389	$map->valid or next;
2301	$map->save;	2390	$map->save;
2302	}	2391	}
2303	warn "end emergency map save\n";	2392	warn "end emergency map save\n";
		2393
		2394	warn "begin emergency database checkpoint\n";
		2395	BDB::db_env_txn_checkpoint $DB_ENV;
		2396	warn "end emergency database checkpoint\n";
2304	};	2397	};
2305		2398
2306	warn "leave emergency perl save\n";	2399	warn "leave emergency perl save\n";
		2400	}
		2401
		2402	sub post_cleanup {
		2403	my ($make_core) = @_;
		2404
		2405	warn Carp::longmess "post_cleanup backtrace"
		2406	if $make_core;
2307	}	2407	}
2308		2408
2309	sub reload() {	2409	sub reload() {
2310	# can/must only be called in main	2410	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	2411	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine\n";	2412	warn "can only reload from main coroutine";
2313	return;	2413	return;
2314	}	2414	}
2315		2415
2316	warn "reloading...";	2416	warn "reloading...";
2317		2417
2318	my $guard = freeze_mainloop;	2418	warn "entering sync_job";
		2419
		2420	cf::sync_job {
		2421	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2422	cf::emergency_save;
		2423	cf::write_runtime; # external watchdog should not bark
2320		2424
2321	eval {	2425	warn "syncing database to disk";
		2426	BDB::db_env_txn_checkpoint $DB_ENV;
		2427
2322	# if anything goes wrong in here, we should simply crash as we already saved	2428	# if anything goes wrong in here, we should simply crash as we already saved
2323		2429
2324	# cancel all watchers	2430	warn "cancelling all WF_AUTOCANCEL watchers";
2325	for (Event::all_watchers) {	2431	for (Event::all_watchers) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2327	}	2433	}
2328		2434
		2435	warn "flushing outstanding aio requests";
		2436	for (;;) {
		2437	BDB::flush;
		2438	IO::AIO::flush;
		2439	Coro::cede;
		2440	last unless IO::AIO::nreqs || BDB::nreqs;
		2441	warn "iterate...";
		2442	}
		2443
		2444	++$RELOAD;
		2445
2329	# cancel all extension coros	2446	warn "cancelling all extension coros";
2330	$_->cancel for values %EXT_CORO;	2447	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();	2448	%EXT_CORO = ();
2332		2449
2333	# unload all extensions	2450	warn "removing commands";
2334	for (@exts) {	2451	%COMMAND = ();
		2452
		2453	warn "removing ext commands";
		2454	%EXTCMD = ();
		2455
		2456	warn "unloading/nuking all extensions";
		2457	for my $pkg (@EXTS) {
2335	warn "unloading <$_>";	2458	warn "... unloading $pkg";
2336	unload_extension $_;	2459
		2460	if (my $cb = $pkg->can ("unload")) {
		2461	eval {
		2462	$cb->($pkg);
		2463	1
		2464	} or warn "$pkg unloaded, but with errors: $@";
2337	}	2465	}
2338		2466
		2467	warn "... nuking $pkg";
		2468	Symbol::delete_package $pkg;
		2469	}
		2470
2339	# unload all modules loaded from $LIBDIR	2471	warn "unloading all perl modules loaded from $LIBDIR";
2340	while (my ($k, $v) = each %INC) {	2472	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342		2474
2343	warn "removing <$k>";	2475	warn "... unloading $k";
2344	delete $INC{$k};	2476	delete $INC{$k};
2345		2477
2346	$k =~ s/\.pm$//;	2478	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;	2479	$k =~ s/\//::/g;
2348		2480
…		…
2351	}	2483	}
2352		2484
2353	Symbol::delete_package $k;	2485	Symbol::delete_package $k;
2354	}	2486	}
2355		2487
2356	# sync database to disk
2357	cf::db_sync;
2358	IO::AIO::flush;
2359
2360	# get rid of safe::, as good as possible	2488	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	2489	Symbol::delete_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		2491
2364	# remove register_script_function callbacks
2365	# TODO
2366
2367	# unload cf.pm "a bit"	2492	warn "unloading cf.pm \"a bit\"";
2368	delete $INC{"cf.pm"};	2493	delete $INC{"cf.pm"};
2369		2494
2370	# don't, removes xs symbols, too,	2495	# don't, removes xs symbols, too,
2371	# and global variables created in xs	2496	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	2497	#Symbol::delete_package __PACKAGE__;
2373		2498
2374	# reload cf.pm	2499	warn "unload completed, starting to reload now";
		2500
2375	warn "reloading cf.pm";	2501	warn "reloading cf.pm";
2376	require cf;	2502	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378		2504
2379	# load config and database again	2505	warn "loading config and database again";
2380	cf::cfg_load;	2506	cf::cfg_load;
2381	cf::db_load;
2382		2507
2383	# load extensions
2384	warn "load extensions";	2508	warn "loading extensions";
2385	cf::load_extensions;	2509	cf::load_extensions;
2386		2510
2387	# reattach attachments to objects	2511	warn "reattaching attachments to objects/players";
2388	warn "reattach";	2512	_global_reattach; # objects, sockets
2389	_global_reattach;	2513	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	2514	reattach $_ for values %MAP;
2391	};	2515	warn "reattaching attachments to players";
		2516	reattach $_ for values %PLAYER;
2392		2517
2393	if ($@) {	2518	warn "loading reloadable resources";
		2519	reload_resources;
		2520
		2521	warn "leaving sync_job";
		2522
		2523	1
		2524	} or do {
2394	warn $@;	2525	warn $@;
2395	warn "error while reloading, exiting.";	2526	warn "error while reloading, exiting.";
2396	exit 1;	2527	exit 1;
2397	}	2528	};
2398		2529
2399	warn "reloaded successfully";	2530	warn "reloaded";
2400	};	2531	};
2401		2532
2402	#############################################################################	2533	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} = $LINK_MAP;
2443	}
2444
2445	register "<global>", __PACKAGE__;
2446		2534
2447	register_command "reload" => sub {	2535	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	2536	my ($who, $arg) = @_;
2449		2537
2450	if ($who->flag (FLAG_WIZ)) {	2538	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");	2539	$who->message ("reloading server.");
		2540
		2541	# doing reload synchronously and two reloads happen back-to-back,
		2542	# coro crashes during coro_state_free->destroy here.
		2543
		2544	$RELOAD_WATCHER ||= Event->timer (
		2545	reentrant => 0,
		2546	after => 0,
		2547	data => WF_AUTOCANCEL,
		2548	cb => sub {
2452	reload;	2549	reload;
2453	$who->message ("end of reload.");	2550	undef $RELOAD_WATCHER;
		2551	},
		2552	);
2454	}	2553	}
2455	};	2554	};
2456		2555
2457	unshift @INC, $LIBDIR;	2556	unshift @INC, $LIBDIR;
		2557
		2558	my $bug_warning = 0;
2458		2559
2459	$TICK_WATCHER = Event->timer (	2560	$TICK_WATCHER = Event->timer (
2460	reentrant => 0,	2561	reentrant => 0,
		2562	parked => 1,
2461	prio => 0,	2563	prio => 0,
2462	at => $NEXT_TICK || $TICK,	2564	at => $NEXT_TICK || $TICK,
2463	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
2464	cb => sub {	2566	cb => sub {
		2567	if ($Coro::current != $Coro::main) {
		2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2569	unless ++$bug_warning > 10;
		2570	return;
		2571	}
		2572
		2573	$NOW = Event::time;
		2574
2465	cf::server_tick; # one server iteration	2575	cf::server_tick; # one server iteration
2466	$RUNTIME += $TICK;	2576	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;	2577	$NEXT_TICK += $TICK;
2468		2578
		2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2580	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2581	Coro::async_pool {
		2582	write_runtime
		2583	or warn "ERROR: unable to write runtime file: $!";
		2584	};
		2585	}
		2586
2469	$WAIT_FOR_TICK->broadcast;	2587	$WAIT_FOR_TICK->broadcast;
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2589
		2590	# my $AFTER = Event::time;
		2591	# warn $AFTER - $NOW;#d#
2471		2592
2472	# if we are delayed by four ticks or more, skip them all	2593	# if we are delayed by four ticks or more, skip them all
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2474		2595
2475	$TICK_WATCHER->at ($NEXT_TICK);	2596	$TICK_WATCHER->at ($NEXT_TICK);
2476	$TICK_WATCHER->start;	2597	$TICK_WATCHER->start;
2477	},	2598	},
2478	);	2599	);
2479		2600
		2601	{
2480	IO::AIO::max_poll_time $TICK * 0.2;	2602	BDB::max_poll_time $TICK * 0.1;
2481		2603	$BDB_POLL_WATCHER = Event->io (
2482	Event->io (	2604	reentrant => 0,
2483	fd => IO::AIO::poll_fileno,	2605	fd => BDB::poll_fileno,
2484	poll => 'r',	2606	poll => 'r',
2485	prio => 5,	2607	prio => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,
2488	);
2489
2490	Event->timer (
2491	data => WF_AUTOCANCEL,	2608	data => WF_AUTOCANCEL,
2492	after => 0,	2609	cb => \&BDB::poll_cb,
2493	interval => 10,	2610	);
2494	cb => sub {	2611	BDB::min_parallel 8;
2495	(Coro::unblock_sub {	2612
2496	write_runtime	2613	BDB::set_sync_prepare {
2497	or warn "ERROR: unable to write runtime file: $!";	2614	my $status;
		2615	my $current = $Coro::current;
		2616	(
		2617	sub {
		2618	$status = $!;
		2619	$current->ready; undef $current;
		2620	},
		2621	sub {
		2622	Coro::schedule while defined $current;
		2623	$! = $status;
		2624	},
		2625	)
		2626	};
		2627
		2628	unless ($DB_ENV) {
		2629	$DB_ENV = BDB::db_env_create;
		2630
		2631	cf::sync_job {
		2632	eval {
		2633	BDB::db_env_open
		2634	$DB_ENV,
		2635	$BDB_ENV_DIR,
		2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2638	0666;
		2639
		2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2641
		2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2643	$DB_ENV->set_lk_detect;
		2644	};
		2645
		2646	cf::cleanup "db_env_open(db): $@" if $@;
2498	})->();	2647	};
2499	},	2648	}
2500	);	2649	}
		2650
		2651	{
		2652	IO::AIO::min_parallel 8;
		2653
		2654	undef $Coro::AIO::WATCHER;
		2655	IO::AIO::max_poll_time $TICK * 0.1;
		2656	$AIO_POLL_WATCHER = Event->io (
		2657	reentrant => 0,
		2658	data => WF_AUTOCANCEL,
		2659	fd => IO::AIO::poll_fileno,
		2660	poll => 'r',
		2661	prio => 6,
		2662	cb => \&IO::AIO::poll_cb,
		2663	);
		2664	}
2501		2665
2502	END { cf::emergency_save }	2666	END { cf::emergency_save }
2503		2667
2504	1	2668	1
2505		2669

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