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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.145 by root, Sun Jan 7 21:54:59 2007 UTC vs.
Revision 1.206 by root, Sun Feb 11 22:27:05 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.32 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
25		27
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	28	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		29
		30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		31
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	33	$YAML::Syck::ImplicitUnicode = 1;
30		34
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		36
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	our %COMMAND = ();	37	our %COMMAND = ();
36	our %COMMAND_TIME = ();	38	our %COMMAND_TIME = ();
		39
		40	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	41	our %EXTCMD = ();
		42	our %EXT_CORO = (); # coroutines bound to extensions
		43	our %EXT_MAP = (); # pluggable maps
38		44
39	our @EVENT;	45	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	46	our $LIBDIR = datadir . "/ext";
41		47
42	our $TICK = MAX_TIME * 1e-6;	48	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	49	our $TICK_WATCHER;
		50	our $AIO_POLL_WATCHER;
		51	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	52	our $NEXT_TICK;
45	our $NOW;	53	our $NOW;
		54	our $USE_FSYNC = 1; # use fsync to write maps - default off
		55
		56	our $BDB_POLL_WATCHER;
		57	our $DB_ENV;
46		58
47	our %CFG;	59	our %CFG;
48		60
49	our $UPTIME; $UPTIME ||= time;	61	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	62	our $RUNTIME;
51		63
52	our %PLAYER; # all users	64	our %PLAYER; # all users
53	our %MAP; # all maps	65	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	66	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	67	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO; # coroutines bound to extensions	68	our $BDB_ENV_DIR = cf::localdir . "/db";
		69
		70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		72
		73	# used to convert map paths into valid unix filenames by replacing / by ∕
		74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		75
58	binmode STDOUT;	76	binmode STDOUT;
59	binmode STDERR;	77	binmode STDERR;
60		78
61	# read virtual server time, if available	79	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	86	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	87	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	88	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	89	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	90	mkdir $RANDOM_MAPS;
		91	mkdir $BDB_ENV_DIR;
73		92
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	93	our $EMERGENCY_POSITION;
		94
		95	sub cf::map::normalise;
77		96
78	#############################################################################	97	#############################################################################
79		98
80	=head2 GLOBAL VARIABLES	99	=head2 GLOBAL VARIABLES
81		100
…		…
105		124
106	=item %cf::CFG	125	=item %cf::CFG
107		126
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	127	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	128	from wherever your confdir points to.
		129
		130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		131
		132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		134	processing has been done. Call C<< ->wait >> on them to maximise the
		135	window of cpu time available, or simply to synchronise to the server tick.
110		136
111	=back	137	=back
112		138
113	=cut	139	=cut
114		140
…		…
118	utf8::encode $msg;	144	utf8::encode $msg;
119		145
120	$msg .= "\n"	146	$msg .= "\n"
121	unless $msg =~ /\n$/;	147	unless $msg =~ /\n$/;
122		148
123	LOG llevError, "cfperl: $msg";	149	LOG llevError, $msg;
124	};	150	};
125	}	151	}
126		152
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		172
147	$Event::DIED = sub {	173	$Event::DIED = sub {
148	warn "error in event callback: @_";	174	warn "error in event callback: @_";
149	};	175	};
150		176
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	177	=head2 UTILITY FUNCTIONS
156		178
157	=over 4	179	=over 4
158		180
		181	=item dumpval $ref
		182
159	=cut	183	=cut
		184
		185	sub dumpval {
		186	eval {
		187	local $SIG{__DIE__};
		188	my $d;
		189	if (1) {
		190	$d = new Data::Dumper([$_[0]], ["*var"]);
		191	$d->Terse(1);
		192	$d->Indent(2);
		193	$d->Quotekeys(0);
		194	$d->Useqq(1);
		195	#$d->Bless(...);
		196	$d->Seen($_[1]) if @_ > 1;
		197	$d = $d->Dump();
		198	}
		199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		200	$d
		201	} || "[unable to dump $_[0]: '$@']";
		202	}
160		203
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	204	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		205
163	=item $ref = cf::from_json $json	206	=item $ref = cf::from_json $json
164		207
…		…
225	}	268	}
226		269
227	sub freeze_mainloop {	270	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	271	return unless $TICK_WATCHER->is_active;
229		272
230	my $guard = Coro::guard { $TICK_WATCHER->start };	273	my $guard = Coro::guard {
		274	$TICK_WATCHER->start;
		275	$WRITE_RUNTIME_WATCHER->start;
		276	};
		277	$WRITE_RUNTIME_WATCHER->stop;
231	$TICK_WATCHER->stop;	278	$TICK_WATCHER->stop;
232	$guard	279	$guard
233	}	280	}
234		281
235	=item cf::async { BLOCK }	282	=item cf::async { BLOCK }
…		…
287	}	334	}
288	}	335	}
289		336
290	=item $coro = cf::async_ext { BLOCK }	337	=item $coro = cf::async_ext { BLOCK }
291		338
292	Like async, but this coro is automcatially being canceled when the	339	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	340	extension calling this is being unloaded.
294		341
295	=cut	342	=cut
296		343
297	sub async_ext(&) {	344	sub async_ext(&) {
…		…
311	my $runtime = cf::localdir . "/runtime";	358	my $runtime = cf::localdir . "/runtime";
312		359
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	361	or return;
315		362
		363	my $value = $cf::RUNTIME + 90 + 10;
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	364	# 10 is the runtime save interval, for a monotonic clock
		365	# 60 allows for the watchdog to kill the server.
		366
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	367	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	368	and return;
319		369
		370	# always fsync - this file is important
320	aio_fsync $fh	371	aio_fsync $fh
321	and return;	372	and return;
322		373
323	close $fh	374	close $fh
324	or return;	375	or return;
…		…
330	}	381	}
331		382
332	=back	383	=back
333		384
334	=cut	385	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		386
456	#############################################################################	387	#############################################################################
457		388
458	=head2 ATTACHABLE OBJECTS	389	=head2 ATTACHABLE OBJECTS
459		390
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	516	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	517	our @CB_MAP = ();
587		518
588	my %attachment;	519	my %attachment;
589		520
		521	sub cf::attachable::thawer_merge {
		522	# simply override everything except _meta
		523	local $_[0]{_meta};
		524	%{$_[0]} = %{$_[1]};
		525	}
		526
590	sub _attach_cb($$$$) {	527	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	528	my ($registry, $event, $prio, $cb) = @_;
592		529
593	use sort 'stable';	530	use sort 'stable';
594		531
…		…
765	# object support	702	# object support
766		703
767	sub reattach {	704	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	705	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	706	my ($obj) = @_;
		707
		708	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		709
771	my $registry = $obj->registry;	710	my $registry = $obj->registry;
772		711
773	@$registry = ();	712	@$registry = ();
774		713
…		…
821	$filename, length $$rdata, scalar @$objs;	760	$filename, length $$rdata, scalar @$objs;
822		761
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	763	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	765	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	766	close $fh;
828		767
829	if (@$objs) {	768	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	770	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	771	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	772	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	774	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	775	aio_rename "$filename.pst~", "$filename.pst";
837	}	776	}
838	} else {	777	} else {
839	aio_unlink "$filename.pst";	778	aio_unlink "$filename.pst";
…		…
845	}	784	}
846	} else {	785	} else {
847	aio_unlink $filename;	786	aio_unlink $filename;
848	aio_unlink "$filename.pst";	787	aio_unlink "$filename.pst";
849	}	788	}
		789
		790	#d##TODO# nuke non .map-files if exist
		791	if ($filename =~ s/\.map$//) {
		792	aio_unlink $filename;
		793	aio_unlink "$filename.pst";
		794	}
850	}	795	}
851	}	796	}
852		797
853	sub object_freezer_as_string {	798	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	799	my ($rdata, $objs) = @_;
…		…
860		805
861	sub object_thawer_load {	806	sub object_thawer_load {
862	my ($filename) = @_;	807	my ($filename) = @_;
863		808
864	my ($data, $av);	809	my ($data, $av);
		810
		811	#d#TODO remove .map if file does not exist
		812	aio_stat $filename and $filename =~ s/\.map$//;
865		813
866	(aio_load $filename, $data) >= 0	814	(aio_load $filename, $data) >= 0
867	or return;	815	or return;
868		816
869	unless (aio_stat "$filename.pst") {	817	unless (aio_stat "$filename.pst") {
…		…
906	=cut	854	=cut
907		855
908	sub register_extcmd {	856	sub register_extcmd {
909	my ($name, $cb) = @_;	857	my ($name, $cb) = @_;
910		858
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	859	$EXTCMD{$name} = $cb;
915	}	860	}
916		861
917	cf::player->attach (	862	cf::player->attach (
918	on_command => sub {	863	on_command => sub {
919	my ($pl, $name, $params) = @_;	864	my ($pl, $name, $params) = @_;
…		…
932		877
933	my $msg = eval { from_json $buf };	878	my $msg = eval { from_json $buf };
934		879
935	if (ref $msg) {	880	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	882	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	883	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	884	}
940	}	885	}
941	} else {	886	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		889
945	cf::override;	890	cf::override;
946	},	891	},
947	);	892	);
948		893
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	894	sub load_extension {
956	my ($path) = @_;	895	my ($path) = @_;
957		896
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	898	my $base = $1;
960	my $pkg = $1;	899	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	900	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	901	$pkg = "ext::$pkg";
963		902
964	warn "loading '$path' into '$pkg'\n";	903	warn "... loading '$path' into '$pkg'\n";
965		904
966	open my $fh, "<:utf8", $path	905	open my $fh, "<:utf8", $path
967	or die "$path: $!";	906	or die "$path: $!";
968		907
969	my $source =	908	my $source =
970	"package $pkg; use strict; use utf8;\n"	909	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	910	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	911	. (do { local $/; <$fh> })
973	. "\n};\n1";	912	. "\n};\n1";
974		913
975	eval $source	914	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	915	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	916	: "extension disabled.\n";
978		917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	918	warn $@;
980	$ext_pkg{$base} = $pkg;	919	warn "mandatory extension failed to load, exiting.\n";
981		920	exit 1;
982	# no strict 'refs';	921	}
983	# @{"$pkg\::ISA"} = ext::;	922	die $@;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }	923	}
998		924
999	# remove commands	925	push @EXTS, $pkg;
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	926	}
1024		927
1025	sub load_extensions {	928	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	929	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	930	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	934	} or warn "$ext not loaded: $@";
1032	}	935	}
1033	}	936	}
1034		937
1035	#############################################################################	938	#############################################################################
1036	# load/save/clean perl data associated with a map
1037
1038	*cf::mapsupport::on_clean = sub {
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		939
1073	=head2 CORE EXTENSIONS	940	=head2 CORE EXTENSIONS
1074		941
1075	Functions and methods that extend core crossfire objects.	942	Functions and methods that extend core crossfire objects.
1076		943
1077	=cut	944	=cut
1078		945
1079	package cf::player;	946	package cf::player;
		947
		948	use Coro::AIO;
1080		949
1081	=head3 cf::player	950	=head3 cf::player
1082		951
1083	=over 4	952	=over 4
1084		953
…		…
1110		979
1111	sub exists($) {	980	sub exists($) {
1112	my ($login) = @_;	981	my ($login) = @_;
1113		982
1114	$cf::PLAYER{$login}	983	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	984	or cf::sync_job { !aio_stat path $login }
1116	}	985	}
1117		986
1118	sub find($) {	987	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	988	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	989	my $login = $_[0];
1121		990
1122	my $guard = cf::lock_acquire "user_find:$login";	991	my $guard = cf::lock_acquire "user_find:$login";
1123		992
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	993	$cf::PLAYER{$_[0]} || do {
		994	my $pl = load_pl path $login
		995	or return;
		996	$cf::PLAYER{$login} = $pl
		997	}
1125	};	998	}
1126	}	999	}
1127		1000
1128	sub save($) {	1001	sub save($) {
1129	my ($pl) = @_;	1002	my ($pl) = @_;
1130		1003
…		…
1132		1005
1133	my $path = path $pl;	1006	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1007	my $guard = cf::lock_acquire "user_save:$path";
1135		1008
1136	return if $pl->{deny_save};	1009	return if $pl->{deny_save};
		1010
		1011	aio_mkdir playerdir $pl, 0770;
1137	$pl->{last_save} = $cf::RUNTIME;	1012	$pl->{last_save} = $cf::RUNTIME;
1138		1013
1139	Coro::cede;
1140	$pl->save_pl ($path);	1014	$pl->save_pl ($path);
1141	Coro::cede;	1015	Coro::cede;
1142	}	1016	}
1143		1017
1144	sub new($) {	1018	sub new($) {
…		…
1151		1025
1152	$cf::PLAYER{$login} = $self;	1026	$cf::PLAYER{$login} = $self;
1153		1027
1154	$self	1028	$self
1155	}	1029	}
		1030
		1031	=item $pl->quit_character
		1032
		1033	Nukes the player without looking back. If logged in, the connection will
		1034	be destroyed. May block for a long time.
		1035
		1036	=cut
1156		1037
1157	sub quit_character {	1038	sub quit_character {
1158	my ($pl) = @_;	1039	my ($pl) = @_;
1159		1040
1160	$pl->{deny_save} = 1;	1041	$pl->{deny_save} = 1;
…		…
1165	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1166	$pl->ns->destroy if $pl->ns;	1047	$pl->ns->destroy if $pl->ns;
1167		1048
1168	my $path = playerdir $pl;	1049	my $path = playerdir $pl;
1169	my $temp = "$path~$cf::RUNTIME~deleting~";	1050	my $temp = "$path~$cf::RUNTIME~deleting~";
1170	IO::AIO::aio_rename $path, $temp, sub {	1051	aio_rename $path, $temp;
1171	delete $cf::PLAYER{$pl->ob->name};	1052	delete $cf::PLAYER{$pl->ob->name};
1172	$pl->destroy;	1053	$pl->destroy;
1173
1174	IO::AIO::aio_rmtree $temp;	1054	IO::AIO::aio_rmtree $temp;
		1055	}
		1056
		1057	=item cf::player::list_logins
		1058
		1059	Returns am arrayref of all valid playernames in the system, can take a
		1060	while and may block, so not sync_job-capable, ever.
		1061
		1062	=cut
		1063
		1064	sub list_logins {
		1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1066	or return [];
		1067
		1068	my @logins;
		1069
		1070	for my $login (@$dirs) {
		1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1072	aio_read $fh, 0, 512, my $buf, 0 or next;
		1073	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1074
		1075	utf8::decode $login;
		1076	push @logins, $login;
1175	};	1077	}
		1078
		1079	\@logins
		1080	}
		1081
		1082	=item $player->maps
		1083
		1084	Returns an arrayref of map paths that are private for this
		1085	player. May block.
		1086
		1087	=cut
		1088
		1089	sub maps($) {
		1090	my ($pl) = @_;
		1091
		1092	$pl = ref $pl ? $pl->ob->name : $pl;
		1093
		1094	my $files = aio_readdir playerdir $pl
		1095	or return;
		1096
		1097	my @paths;
		1098
		1099	for (@$files) {
		1100	utf8::decode $_;
		1101	next if /\.(?:pl|pst)$/;
		1102	next unless /^$PATH_SEP/o;
		1103
		1104	push @paths, cf::map::normalise "~$pl/$_";
		1105	}
		1106
		1107	\@paths
1176	}	1108	}
1177		1109
1178	=item $player->ext_reply ($msgid, $msgtype, %msg)	1110	=item $player->ext_reply ($msgid, $msgtype, %msg)
1179		1111
1180	Sends an ext reply to the player.	1112	Sends an ext reply to the player.
…		…
1203	package cf::map;	1135	package cf::map;
1204		1136
1205	use Fcntl;	1137	use Fcntl;
1206	use Coro::AIO;	1138	use Coro::AIO;
1207		1139
		1140	use overload
		1141	'""' => \&as_string,
		1142	fallback => 1;
		1143
1208	our $MAX_RESET = 3600;	1144	our $MAX_RESET = 3600;
1209	our $DEFAULT_RESET = 3000;	1145	our $DEFAULT_RESET = 3000;
1210		1146
1211	sub generate_random_map {	1147	sub generate_random_map {
1212	my ($path, $rmp) = @_;	1148	my ($self, $rmp) = @_;
1213
1214	# mit "rum" bekleckern, nicht	1149	# mit "rum" bekleckern, nicht
1215	cf::map::_create_random_map	1150	$self->_create_random_map (
1216	$path,
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},	1154	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},	1155	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1227	(cf::region::find $rmp->{region})	1161	(cf::region::find $rmp->{region}), $rmp->{custom}
		1162	)
		1163	}
		1164
		1165	=item cf::map->register ($regex, $prio)
		1166
		1167	Register a handler for the map path matching the given regex at the
		1168	givne priority (higher is better, built-in handlers have priority 0, the
		1169	default).
		1170
		1171	=cut
		1172
		1173	sub register {
		1174	my (undef, $regex, $prio) = @_;
		1175	my $pkg = caller;
		1176
		1177	no strict;
		1178	push @{"$pkg\::ISA"}, __PACKAGE__;
		1179
		1180	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1181	}
		1182
		1183	# also paths starting with '/'
		1184	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1185
		1186	sub thawer_merge {
		1187	my ($self, $merge) = @_;
		1188
		1189	# we have to keep some variables in memory intact
		1190	local $self->{path};
		1191	local $self->{load_path};
		1192	local $self->{deny_save};
		1193	local $self->{deny_reset};
		1194
		1195	$self->SUPER::thawer_merge ($merge);
		1196	}
		1197
		1198	sub normalise {
		1199	my ($path, $base) = @_;
		1200
		1201	$path = "$path"; # make sure its a string
		1202
		1203	$path =~ s/\.map$//;
		1204
		1205	# map plan:
		1206	#
		1207	# /! non-realised random map exit (special hack!)
		1208	# {... are special paths that are not being touched
		1209	# ?xxx/... are special absolute paths
		1210	# ?random/... random maps
		1211	# /... normal maps
		1212	# ~user/... per-player map of a specific user
		1213
		1214	$path =~ s/$PATH_SEP/\//go;
		1215
		1216	# treat it as relative path if it starts with
		1217	# something that looks reasonable
		1218	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1219	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1220
		1221	$base =~ s{[^/]+/?$}{};
		1222	$path = "$base/$path";
		1223	}
		1224
		1225	for ($path) {
		1226	redo if s{//}{/};
		1227	redo if s{/\.?/}{/};
		1228	redo if s{/[^/]+/\.\./}{/};
		1229	}
		1230
		1231	$path
		1232	}
		1233
		1234	sub new_from_path {
		1235	my (undef, $path, $base) = @_;
		1236
		1237	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1238
		1239	$path = normalise $path, $base;
		1240
		1241	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1242	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1243	my $self = bless cf::map::new, $pkg;
		1244	$self->{path} = $path; $self->path ($path);
		1245	$self->init; # pass $1 etc.
		1246	return $self;
		1247	}
		1248	}
		1249
		1250	Carp::carp "unable to resolve path '$path' (base '$base').";
		1251	()
		1252	}
		1253
		1254	sub init {
		1255	my ($self) = @_;
		1256
		1257	$self
		1258	}
		1259
		1260	sub as_string {
		1261	my ($self) = @_;
		1262
		1263	"$self->{path}"
		1264	}
		1265
		1266	# the displayed name, this is a one way mapping
		1267	sub visible_name {
		1268	&as_string
		1269	}
		1270
		1271	# the original (read-only) location
		1272	sub load_path {
		1273	my ($self) = @_;
		1274
		1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1276	}
		1277
		1278	# the temporary/swap location
		1279	sub save_path {
		1280	my ($self) = @_;
		1281
		1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1284	}
		1285
		1286	# the unique path, undef == no special unique path
		1287	sub uniq_path {
		1288	my ($self) = @_;
		1289
		1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1228	}	1292	}
1229		1293
1230	# and all this just because we cannot iterate over	1294	# and all this just because we cannot iterate over
1231	# all maps in C++...	1295	# all maps in C++...
1232	sub change_all_map_light {	1296	sub change_all_map_light {
…		…
1234		1298
1235	$_->change_map_light ($change)	1299	$_->change_map_light ($change)
1236	for grep $_->outdoor, values %cf::MAP;	1300	for grep $_->outdoor, values %cf::MAP;
1237	}	1301	}
1238		1302
		1303	sub unlink_save {
		1304	my ($self) = @_;
		1305
		1306	utf8::encode (my $save = $self->save_path);
		1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1309
		1310	#d#TODO remove .map and also nuke
		1311	$save =~ s/\.map// or return;#d#
		1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1314	}
		1315
1239	sub try_load_header($) {	1316	sub load_header_from($) {
1240	my ($path) = @_;	1317	my ($self, $path) = @_;
1241		1318
1242	utf8::encode $path;	1319	utf8::encode $path;
1243	aio_open $path, O_RDONLY, 0	1320	#aio_open $path, O_RDONLY, 0
		1321	# or return;
		1322
		1323	$self->_load_header ($path)
1244	or return;	1324	or return;
1245		1325
1246	my $map = cf::map::new	1326	$self->{load_path} = $path;
		1327
		1328	1
		1329	}
		1330
		1331	sub load_header_orig {
		1332	my ($self) = @_;
		1333
		1334	$self->load_header_from ($self->load_path)
		1335	}
		1336
		1337	sub load_header_temp {
		1338	my ($self) = @_;
		1339
		1340	$self->load_header_from ($self->save_path)
		1341	}
		1342
		1343	sub prepare_temp {
		1344	my ($self) = @_;
		1345
		1346	$self->last_access ((delete $self->{last_access})
		1347	|| $cf::RUNTIME); #d#
		1348	# safety
		1349	$self->{instantiate_time} = $cf::RUNTIME
		1350	if $self->{instantiate_time} > $cf::RUNTIME;
		1351	}
		1352
		1353	sub prepare_orig {
		1354	my ($self) = @_;
		1355
		1356	$self->{load_original} = 1;
		1357	$self->{instantiate_time} = $cf::RUNTIME;
		1358	$self->last_access ($cf::RUNTIME);
		1359	$self->instantiate;
		1360	}
		1361
		1362	sub load_header {
		1363	my ($self) = @_;
		1364
		1365	if ($self->load_header_temp) {
		1366	$self->prepare_temp;
		1367	} else {
		1368	$self->load_header_orig
1247	or return;	1369	or return;
		1370	$self->prepare_orig;
		1371	}
1248		1372
1249	# for better error messages only, will be overwritten	1373	1
1250	$map->path ($path);
1251
1252	$map->load_header ($path)
1253	or return;
1254
1255	$map->{load_path} = $path;
1256
1257	$map
1258	}	1374	}
1259		1375
1260	sub find;	1376	sub find;
1261	sub find {	1377	sub find {
1262	my ($path, $origin) = @_;	1378	my ($path, $origin) = @_;
1263		1379
1264	#warn "find<$path,$origin>\n";#d#
1265
1266	$path = new cf::path $path, $origin && $origin->path;	1380	$path = normalise $path, $origin && $origin->path;
1267	my $key = $path->as_string;
1268		1381
1269	cf::lock_wait "map_find:$key";	1382	cf::lock_wait "map_find:$path";
1270		1383
1271	$cf::MAP{$key} || do {	1384	$cf::MAP{$path} || do {
1272	my $guard = cf::lock_acquire "map_find:$key";	1385	my $guard = cf::lock_acquire "map_find:$path";
1273		1386	my $map = new_from_path cf::map $path
1274	# do it the slow way
1275	my $map = try_load_header $path->save_path;
1276
1277	Coro::cede;
1278
1279	if ($map) {
1280	$map->last_access ((delete $map->{last_access})
1281	|| $cf::RUNTIME); #d#
1282	# safety
1283	$map->{instantiate_time} = $cf::RUNTIME
1284	if $map->{instantiate_time} > $cf::RUNTIME;
1285	} else {
1286	if (my $rmp = $path->random_map_params) {
1287	$map = generate_random_map $key, $rmp;
1288	} else {
1289	$map = try_load_header $path->load_path;
1290	}
1291
1292	$map or return;	1387	or return;
1293		1388
1294	$map->{load_original} = 1;
1295	$map->{instantiate_time} = $cf::RUNTIME;
1296	$map->last_access ($cf::RUNTIME);
1297	$map->instantiate;
1298
1299	# per-player maps become, after loading, normal maps
1300	$map->per_player (0) if $path->{user_rel};
1301	}
1302
1303	$map->path ($key);
1304	$map->{path} = $path;
1305	$map->{last_save} = $cf::RUNTIME;	1389	$map->{last_save} = $cf::RUNTIME;
1306		1390
1307	Coro::cede;	1391	$map->load_header
		1392	or return;
1308		1393
1309	if ($map->should_reset) {	1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1395	# doing this can freeze the server in a sync job, obviously
		1396	#$cf::WAIT_FOR_TICK->wait;
1310	$map->reset;	1397	$map->reset;
1311	undef $guard;	1398	undef $guard;
1312	$map = find $path	1399	return find $path;
1313	or return;
1314	}	1400	}
1315		1401
1316	$cf::MAP{$key} = $map	1402	$cf::MAP{$path} = $map
1317	}	1403	}
1318	}	1404	}
		1405
		1406	sub pre_load { }
		1407	sub post_load { }
1319		1408
1320	sub load {	1409	sub load {
1321	my ($self) = @_;	1410	my ($self) = @_;
1322		1411
		1412	local $self->{deny_reset} = 1; # loading can take a long time
		1413
1323	my $path = $self->{path};	1414	my $path = $self->{path};
1324	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1415	my $guard = cf::lock_acquire "map_load:$path";
1325		1416
1326	return if $self->in_memory != cf::MAP_SWAPPED;	1417	return if $self->in_memory != cf::MAP_SWAPPED;
1327		1418
1328	$self->in_memory (cf::MAP_LOADING);	1419	$self->in_memory (cf::MAP_LOADING);
1329		1420
1330	$self->alloc;	1421	$self->alloc;
		1422
		1423	$self->pre_load;
		1424
1331	$self->load_objects ($self->{load_path}, 1)	1425	$self->_load_objects ($self->{load_path}, 1)
1332	or return;	1426	or return;
1333		1427
1334	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1335	if delete $self->{load_original};	1429	if delete $self->{load_original};
1336		1430
1337	if (my $uniq = $path->uniq_path) {	1431	if (my $uniq = $self->uniq_path) {
1338	utf8::encode $uniq;	1432	utf8::encode $uniq;
1339	if (aio_open $uniq, O_RDONLY, 0) {	1433	if (aio_open $uniq, O_RDONLY, 0) {
1340	$self->clear_unique_items;	1434	$self->clear_unique_items;
1341	$self->load_objects ($uniq, 0);	1435	$self->_load_objects ($uniq, 0);
1342	}	1436	}
1343	}	1437	}
1344		1438
1345	Coro::cede;	1439	Coro::cede;
1346		1440
1347	# now do the right thing for maps	1441	# now do the right thing for maps
1348	$self->link_multipart_objects;	1442	$self->link_multipart_objects;
1349		1443
1350	if ($self->{path}->is_style_map) {	1444	unless ($self->{deny_activate}) {
1351	$self->{deny_save} = 1;	1445	$self->decay_objects;
1352	$self->{deny_reset} = 1;
1353	} else {
1354	$self->fix_auto_apply;	1446	$self->fix_auto_apply;
1355	$self->decay_objects;
1356	$self->update_buttons;	1447	$self->update_buttons;
		1448	Coro::cede;
1357	$self->set_darkness_map;	1449	$self->set_darkness_map;
1358	$self->difficulty ($self->estimate_difficulty)	1450	$self->difficulty ($self->estimate_difficulty)
1359	unless $self->difficulty;	1451	unless $self->difficulty;
		1452	Coro::cede;
1360	$self->activate;	1453	$self->activate;
1361	}	1454	}
1362		1455
1363	Coro::cede;	1456	$self->post_load;
1364		1457
1365	$self->in_memory (cf::MAP_IN_MEMORY);	1458	$self->in_memory (cf::MAP_IN_MEMORY);
		1459	}
		1460
		1461	sub customise_for {
		1462	my ($self, $ob) = @_;
		1463
		1464	return find "~" . $ob->name . "/" . $self->{path}
		1465	if $self->per_player;
		1466
		1467	$self
		1468	}
		1469
		1470	# find and load all maps in the 3x3 area around a map
		1471	sub load_diag {
		1472	my ($map) = @_;
		1473
		1474	my @diag; # diagonal neighbours
		1475
		1476	for (0 .. 3) {
		1477	my $neigh = $map->tile_path ($_)
		1478	or next;
		1479	$neigh = find $neigh, $map
		1480	or next;
		1481	$neigh->load;
		1482
		1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1485	}
		1486
		1487	for (@diag) {
		1488	my $neigh = find @$_
		1489	or next;
		1490	$neigh->load;
		1491	}
1366	}	1492	}
1367		1493
1368	sub find_sync {	1494	sub find_sync {
1369	my ($path, $origin) = @_;	1495	my ($path, $origin) = @_;
1370		1496
1371	cf::sync_job { cf::map::find $path, $origin }	1497	cf::sync_job { find $path, $origin }
1372	}	1498	}
1373		1499
1374	sub do_load_sync {	1500	sub do_load_sync {
1375	my ($map) = @_;	1501	my ($map) = @_;
1376		1502
1377	cf::sync_job { $map->load };	1503	cf::sync_job { $map->load };
1378	}	1504	}
1379		1505
		1506	our %MAP_PREFETCH;
		1507	our $MAP_PREFETCHER = undef;
		1508
		1509	sub find_async {
		1510	my ($path, $origin) = @_;
		1511
		1512	$path = normalise $path, $origin && $origin->{path};
		1513
		1514	if (my $map = $cf::MAP{$path}) {
		1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1516	}
		1517
		1518	undef $MAP_PREFETCH{$path};
		1519	$MAP_PREFETCHER ||= cf::async {
		1520	while (%MAP_PREFETCH) {
		1521	for my $path (keys %MAP_PREFETCH) {
		1522	my $map = find $path
		1523	or next;
		1524	$map->load;
		1525
		1526	delete $MAP_PREFETCH{$path};
		1527	}
		1528	}
		1529	undef $MAP_PREFETCHER;
		1530	};
		1531	$MAP_PREFETCHER->prio (6);
		1532
		1533	()
		1534	}
		1535
1380	sub save {	1536	sub save {
1381	my ($self) = @_;	1537	my ($self) = @_;
1382		1538
1383	my $lock = cf::lock_acquire "map_data:" . $self->path;	1539	my $lock = cf::lock_acquire "map_data:" . $self->path;
1384		1540
1385	$self->{last_save} = $cf::RUNTIME;	1541	$self->{last_save} = $cf::RUNTIME;
1386		1542
1387	return unless $self->dirty;	1543	return unless $self->dirty;
1388		1544
1389	my $save = $self->{path}->save_path; utf8::encode $save;	1545	my $save = $self->save_path; utf8::encode $save;
1390	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1546	my $uniq = $self->uniq_path; utf8::encode $uniq;
1391		1547
1392	$self->{load_path} = $save;	1548	$self->{load_path} = $save;
1393		1549
1394	return if $self->{deny_save};	1550	return if $self->{deny_save};
1395		1551
…		…
1398	cf::async {	1554	cf::async {
1399	$_->contr->save for $self->players;	1555	$_->contr->save for $self->players;
1400	};	1556	};
1401		1557
1402	if ($uniq) {	1558	if ($uniq) {
1403	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1404	$self->save_objects ($uniq, cf::IO_UNIQUES);	1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1405	} else {	1561	} else {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1407	}	1563	}
1408	}	1564	}
1409		1565
1410	sub swap_out {	1566	sub swap_out {
1411	my ($self) = @_;	1567	my ($self) = @_;
…		…
1425		1581
1426	sub reset_at {	1582	sub reset_at {
1427	my ($self) = @_;	1583	my ($self) = @_;
1428		1584
1429	# TODO: safety, remove and allow resettable per-player maps	1585	# TODO: safety, remove and allow resettable per-player maps
1430	return 1e99 if $self->{path}{user_rel};	1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1431	return 1e99 if $self->{deny_reset};	1587	return 1e99 if $self->{deny_reset};
1432		1588
1433	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1434	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1435		1591
…		…
1440	my ($self) = @_;	1596	my ($self) = @_;
1441		1597
1442	$self->reset_at <= $cf::RUNTIME	1598	$self->reset_at <= $cf::RUNTIME
1443	}	1599	}
1444		1600
1445	sub unlink_save {
1446	my ($self) = @_;
1447
1448	utf8::encode (my $save = $self->{path}->save_path);
1449	aioreq_pri 3; IO::AIO::aio_unlink $save;
1450	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1451	}
1452
1453	sub rename {
1454	my ($self, $new_path) = @_;
1455
1456	$self->unlink_save;
1457
1458	delete $cf::MAP{$self->path};
1459	$self->{path} = new cf::path $new_path;
1460	$self->path ($self->{path}->as_string);
1461	$cf::MAP{$self->path} = $self;
1462
1463	$self->save;
1464	}
1465
1466	sub reset {	1601	sub reset {
1467	my ($self) = @_;	1602	my ($self) = @_;
1468		1603
1469	my $lock = cf::lock_acquire "map_data:" . $self->path;	1604	my $lock = cf::lock_acquire "map_data:$self->{path}";
1470		1605
1471	return if $self->players;	1606	return if $self->players;
1472	return if $self->{path}{user_rel};#d#	1607	return if $self->isa ("ext::map_per_player");#d#
1473		1608
1474	warn "resetting map ", $self->path;#d#	1609	warn "resetting map ", $self->path;#d#
1475		1610
1476	delete $cf::MAP{$self->path};	1611	delete $cf::MAP{$self->path};
		1612
		1613	$self->in_memory (cf::MAP_SWAPPED);
		1614	$self->clear;
1477		1615
1478	$_->clear_links_to ($self) for values %cf::MAP;	1616	$_->clear_links_to ($self) for values %cf::MAP;
1479		1617
1480	$self->unlink_save;	1618	$self->unlink_save;
1481	$self->destroy;	1619	$self->destroy;
…		…
1484	my $nuke_counter = "aaaa";	1622	my $nuke_counter = "aaaa";
1485		1623
1486	sub nuke {	1624	sub nuke {
1487	my ($self) = @_;	1625	my ($self) = @_;
1488		1626
		1627	delete $cf::MAP{$self->path};
		1628
		1629	$self->unlink_save;
		1630
		1631	bless $self, "cf::map";
		1632	delete $self->{deny_reset};
1489	$self->{deny_save} = 1;	1633	$self->{deny_save} = 1;
1490	$self->reset_timeout (1);	1634	$self->reset_timeout (1);
1491	$self->rename ("{nuke}/" . ($nuke_counter++));	1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1636
		1637	$cf::MAP{$self->path} = $self;
		1638
1492	$self->reset; # polite request, might not happen	1639	$self->reset; # polite request, might not happen
1493	}	1640	}
1494		1641
1495	sub customise_for {	1642	=item cf::map::unique_maps
1496	my ($map, $ob) = @_;
1497		1643
1498	if ($map->per_player) {	1644	Returns an arrayref of paths of all shared maps that have
1499	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1645	instantiated unique items. May block.
1500	}
1501		1646
1502	$map	1647	=cut
1503	}
1504		1648
1505	sub emergency_save {	1649	sub unique_maps() {
1506	my $freeze_guard = cf::freeze_mainloop;	1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1651	or return;
1507		1652
1508	warn "enter emergency perl save\n";	1653	my @paths;
1509		1654
1510	cf::sync_job {	1655	for (@$files) {
1511	warn "begin emergency player save\n";	1656	utf8::decode $_;
1512	$_->save for values %cf::PLAYER;	1657	next if /\.pst$/;
1513	warn "end emergency player save\n";	1658	next unless /^$PATH_SEP/o;
1514		1659
1515	warn "begin emergency map save\n";	1660	push @paths, cf::map::normalise $_;
1516	$_->save for values %cf::MAP;
1517	warn "end emergency map save\n";
1518	};	1661	}
1519		1662
1520	warn "leave emergency perl save\n";	1663	\@paths
1521	}	1664	}
1522		1665
1523	package cf;	1666	package cf;
1524		1667
1525	=back	1668	=back
1526		1669
		1670	=head3 cf::object
		1671
		1672	=cut
		1673
		1674	package cf::object;
		1675
		1676	=over 4
		1677
		1678	=item $ob->inv_recursive
		1679
		1680	Returns the inventory of the object _and_ their inventories, recursively.
		1681
		1682	=cut
		1683
		1684	sub inv_recursive_;
		1685	sub inv_recursive_ {
		1686	map { $_, inv_recursive_ $_->inv } @_
		1687	}
		1688
		1689	sub inv_recursive {
		1690	inv_recursive_ inv $_[0]
		1691	}
		1692
		1693	package cf;
		1694
		1695	=back
1527		1696
1528	=head3 cf::object::player	1697	=head3 cf::object::player
1529		1698
1530	=over 4	1699	=over 4
1531		1700
…		…
1571		1740
1572	=item $player_object->enter_link	1741	=item $player_object->enter_link
1573		1742
1574	Freezes the player and moves him/her to a special map (C<{link}>).	1743	Freezes the player and moves him/her to a special map (C<{link}>).
1575		1744
1576	The player should be reaosnably safe there for short amounts of time. You	1745	The player should be reasonably safe there for short amounts of time. You
1577	I<MUST> call C<leave_link> as soon as possible, though.	1746	I<MUST> call C<leave_link> as soon as possible, though.
1578		1747
		1748	Will never block.
		1749
1579	=item $player_object->leave_link ($map, $x, $y)	1750	=item $player_object->leave_link ($map, $x, $y)
1580		1751
1581	Moves the player out of the specila link map onto the given map. If the	1752	Moves the player out of the special C<{link}> map onto the specified
1582	map is not valid (or omitted), the player will be moved back to the	1753	map. If the map is not valid (or omitted), the player will be moved back
1583	location he/she was before the call to C<enter_link>, or, if that fails,	1754	to the location he/she was before the call to C<enter_link>, or, if that
1584	to the emergency map position.	1755	fails, to the emergency map position.
1585		1756
1586	Might block.	1757	Might block.
1587		1758
1588	=cut	1759	=cut
		1760
		1761	sub link_map {
		1762	unless ($LINK_MAP) {
		1763	$LINK_MAP = cf::map::find "{link}"
		1764	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1765	$LINK_MAP->load;
		1766	}
		1767
		1768	$LINK_MAP
		1769	}
1589		1770
1590	sub cf::object::player::enter_link {	1771	sub cf::object::player::enter_link {
1591	my ($self) = @_;	1772	my ($self) = @_;
1592		1773
1593	$self->deactivate_recursive;	1774	$self->deactivate_recursive;
1594		1775
1595	return if $self->map == $LINK_MAP;	1776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1596		1777
1597	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1598	if $self->map;	1779	if $self->map;
1599		1780
1600	$self->enter_map ($LINK_MAP, 20, 20);	1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1601	}	1782	}
1602		1783
1603	sub cf::object::player::leave_link {	1784	sub cf::object::player::leave_link {
1604	my ($self, $map, $x, $y) = @_;	1785	my ($self, $map, $x, $y) = @_;
1605		1786
…		…
1623	# use -1 or undef as default coordinates, not 0, 0	1804	# use -1 or undef as default coordinates, not 0, 0
1624	($x, $y) = ($map->enter_x, $map->enter_y)	1805	($x, $y) = ($map->enter_x, $map->enter_y)
1625	if $x <=0 && $y <= 0;	1806	if $x <=0 && $y <= 0;
1626		1807
1627	$map->load;	1808	$map->load;
		1809	$map->load_diag;
1628		1810
1629	return unless $self->contr->active;	1811	return unless $self->contr->active;
1630	$self->activate_recursive;	1812	$self->activate_recursive;
1631	$self->enter_map ($map, $x, $y);	1813	$self->enter_map ($map, $x, $y);
1632	}	1814	}
…		…
1671	my ($self, $path, $x, $y) = @_;	1853	my ($self, $path, $x, $y) = @_;
1672		1854
1673	$self->enter_link;	1855	$self->enter_link;
1674		1856
1675	(async {	1857	(async {
1676	$path = new cf::path $path;	1858	my $map = eval {
1677
1678	my $map = cf::map::find $path->as_string;	1859	my $map = cf::map::find $path;
1679	$map = $map->customise_for ($self) if $map;	1860	$map = $map->customise_for ($self) if $map;
1680		1861	$map
1681	# warn "entering ", $map->path, " at ($x, $y)\n"	1862	} or
1682	# if $map;
1683
1684	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1685		1864
1686	$self->leave_link ($map, $x, $y);	1865	$self->leave_link ($map, $x, $y);
1687	})->prio (1);	1866	})->prio (1);
1688	}	1867	}
1689		1868
…		…
1693		1872
1694	sub parse_random_map_params {	1873	sub parse_random_map_params {
1695	my ($spec) = @_;	1874	my ($spec) = @_;
1696		1875
1697	my $rmp = { # defaults	1876	my $rmp = { # defaults
1698	xsize => 10,	1877	xsize => (cf::rndm 15, 40),
1699	ysize => 10,	1878	ysize => (cf::rndm 15, 40),
		1879	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1880	#layout => string,
1700	};	1881	};
1701		1882
1702	for (split /\n/, $spec) {	1883	for (split /\n/, $spec) {
1703	my ($k, $v) = split /\s+/, $_, 2;	1884	my ($k, $v) = split /\s+/, $_, 2;
1704		1885
…		…
1708	$rmp	1889	$rmp
1709	}	1890	}
1710		1891
1711	sub prepare_random_map {	1892	sub prepare_random_map {
1712	my ($exit) = @_;	1893	my ($exit) = @_;
		1894
		1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1713		1896
1714	# all this does is basically replace the /! path by	1897	# all this does is basically replace the /! path by
1715	# a new random map path (?random/...) with a seed	1898	# a new random map path (?random/...) with a seed
1716	# that depends on the exit object	1899	# that depends on the exit object
1717		1900
1718	my $rmp = parse_random_map_params $exit->msg;	1901	my $rmp = parse_random_map_params $exit->msg;
1719		1902
1720	if ($exit->map) {	1903	if ($exit->map) {
1721	$rmp->{region} = $exit->map->region_name;	1904	$rmp->{region} = $exit->region->name;
1722	$rmp->{origin_map} = $exit->map->path;	1905	$rmp->{origin_map} = $exit->map->path;
1723	$rmp->{origin_x} = $exit->x;	1906	$rmp->{origin_x} = $exit->x;
1724	$rmp->{origin_y} = $exit->y;	1907	$rmp->{origin_y} = $exit->y;
1725	}	1908	}
1726		1909
1727	$rmp->{random_seed} ||= $exit->random_seed;	1910	$rmp->{random_seed} ||= $exit->random_seed;
1728		1911
1729	my $data = cf::to_json $rmp;	1912	my $data = cf::to_json $rmp;
1730	my $md5 = Digest::MD5::md5_hex $data;	1913	my $md5 = Digest::MD5::md5_hex $data;
		1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1731		1915
1732	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1733	aio_write $fh, 0, (length $data), $data, 0;	1917	aio_write $fh, 0, (length $data), $data, 0;
		1918	undef $fh;
		1919	aio_rename "$meta~", $meta;
1734		1920
1735	$exit->slaying ("?random/$md5");	1921	$exit->slaying ("?random/$md5");
1736	$exit->msg (undef);	1922	$exit->msg (undef);
1737	}	1923	}
1738	}	1924	}
1739		1925
1740	sub cf::object::player::enter_exit {	1926	sub cf::object::player::enter_exit {
1741	my ($self, $exit) = @_;	1927	my ($self, $exit) = @_;
1742		1928
1743	return unless $self->type == cf::PLAYER;	1929	return unless $self->type == cf::PLAYER;
		1930
		1931	if ($exit->slaying eq "/!") {
		1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1933	cf::sync_job { prepare_random_map $exit };
		1934	}
		1935
		1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1937	my $hp = $exit->stats->hp;
		1938	my $sp = $exit->stats->sp;
1744		1939
1745	$self->enter_link;	1940	$self->enter_link;
1746		1941
1747	(async {	1942	(async {
1748	$self->deactivate_recursive; # just to be sure	1943	$self->deactivate_recursive; # just to be sure
1749	unless (eval {	1944	unless (eval {
1750	prepare_random_map $exit	1945	$self->goto ($slaying, $hp, $sp);
1751	if $exit->slaying eq "/!";
1752
1753	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1754	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1755		1946
1756	1;	1947	1;
1757	}) {	1948	}) {
1758	$self->message ("Something went wrong deep within the crossfire server. "	1949	$self->message ("Something went wrong deep within the crossfire server. "
1759	. "I'll try to bring you back to the map you were before. "	1950	. "I'll try to bring you back to the map you were before. "
1760	. "Please report this to the dungeon master",	1951	. "Please report this to the dungeon master!",
1761	cf::NDI_UNIQUE | cf::NDI_RED);	1952	cf::NDI_UNIQUE | cf::NDI_RED);
1762		1953
1763	warn "ERROR in enter_exit: $@";	1954	warn "ERROR in enter_exit: $@";
1764	$self->leave_link;	1955	$self->leave_link;
1765	}	1956	}
…		…
1820	# get handled first	2011	# get handled first
1821	my $queue = delete $ns->{query_queue}	2012	my $queue = delete $ns->{query_queue}
1822	or return; # be conservative, not sure how that can happen, but we saw a crash here	2013	or return; # be conservative, not sure how that can happen, but we saw a crash here
1823		2014
1824	(shift @$queue)->[1]->($msg);	2015	(shift @$queue)->[1]->($msg);
		2016	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1825		2017
1826	push @{ $ns->{query_queue} }, @$queue;	2018	push @{ $ns->{query_queue} }, @$queue;
1827		2019
1828	if (@{ $ns->{query_queue} } == @$queue) {	2020	if (@{ $ns->{query_queue} } == @$queue) {
1829	if (@$queue) {	2021	if (@$queue) {
…		…
2048	sub db_sync() {	2240	sub db_sync() {
2049	db_save if $dirty;	2241	db_save if $dirty;
2050	undef $dirty;	2242	undef $dirty;
2051	}	2243	}
2052		2244
2053	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2245	my $idle = Event->idle (
2054	db_sync;	2246	reentrant => 0,
		2247	min => 10,
		2248	max => 20,
		2249	repeat => 0,
		2250	data => WF_AUTOCANCEL,
		2251	cb => \&db_sync,
2055	});	2252	);
2056		2253
2057	sub db_dirty() {	2254	sub db_dirty() {
2058	$dirty = 1;	2255	$dirty = 1;
2059	$idle->start;	2256	$idle->start;
2060	}	2257	}
…		…
2081	},	2278	},
2082	);	2279	);
2083	}	2280	}
2084		2281
2085	#############################################################################	2282	#############################################################################
2086	# the server's main()	2283	# the server's init and main functions
		2284
		2285	sub load_resources {
		2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2287	or die "unable to load regions file\n";#d#
		2288	}
2087		2289
2088	sub cfg_load {	2290	sub cfg_load {
2089	open my $fh, "<:utf8", cf::confdir . "/config"	2291	open my $fh, "<:utf8", cf::confdir . "/config"
2090	or return;	2292	or return;
2091		2293
…		…
2097	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2098	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2099		2301
2100	if (exists $CFG{mlockall}) {	2302	if (exists $CFG{mlockall}) {
2101	eval {	2303	eval {
2102	$CFG{mlockall} ? &mlockall : &munlockall	2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2103	and die "WARNING: m(un)lockall failed: $!\n";	2305	and die "WARNING: m(un)lockall failed: $!\n";
2104	};	2306	};
2105	warn $@ if $@;	2307	warn $@ if $@;
2106	}	2308	}
		2309	}
		2310
		2311	sub init {
		2312	load_resources;
2107	}	2313	}
2108		2314
2109	sub main {	2315	sub main {
2110	# we must not ever block the main coroutine	2316	# we must not ever block the main coroutine
2111	local $Coro::idle = sub {	2317	local $Coro::idle = sub {
2112	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2319	(async {
2113	async { Event::one_event };	2320	Event::one_event;
		2321	})->prio (Coro::PRIO_MAX);
2114	};	2322	};
2115		2323
2116	cfg_load;	2324	cfg_load;
2117	db_load;	2325	db_load;
2118	load_extensions;	2326	load_extensions;
		2327
		2328	$TICK_WATCHER->start;
2119	Event::loop;	2329	Event::loop;
2120	}	2330	}
2121		2331
2122	#############################################################################	2332	#############################################################################
2123	# initialisation	2333	# initialisation and cleanup
		2334
		2335	# install some emergency cleanup handlers
		2336	BEGIN {
		2337	for my $signal (qw(INT HUP TERM)) {
		2338	Event->signal (
		2339	reentrant => 0,
		2340	data => WF_AUTOCANCEL,
		2341	signal => $signal,
		2342	prio => 0,
		2343	cb => sub {
		2344	cf::cleanup "SIG$signal";
		2345	},
		2346	);
		2347	}
		2348	}
		2349
		2350	sub emergency_save() {
		2351	my $freeze_guard = cf::freeze_mainloop;
		2352
		2353	warn "enter emergency perl save\n";
		2354
		2355	cf::sync_job {
		2356	# use a peculiar iteration method to avoid tripping on perl
		2357	# refcount bugs in for. also avoids problems with players
		2358	# and maps saved/destroyed asynchronously.
		2359	warn "begin emergency player save\n";
		2360	for my $login (keys %cf::PLAYER) {
		2361	my $pl = $cf::PLAYER{$login} or next;
		2362	$pl->valid or next;
		2363	$pl->save;
		2364	}
		2365	warn "end emergency player save\n";
		2366
		2367	warn "begin emergency map save\n";
		2368	for my $path (keys %cf::MAP) {
		2369	my $map = $cf::MAP{$path} or next;
		2370	$map->valid or next;
		2371	$map->save;
		2372	}
		2373	warn "end emergency map save\n";
		2374	};
		2375
		2376	warn "leave emergency perl save\n";
		2377	}
2124		2378
2125	sub reload() {	2379	sub reload() {
2126	# can/must only be called in main	2380	# can/must only be called in main
2127	if ($Coro::current != $Coro::main) {	2381	if ($Coro::current != $Coro::main) {
2128	warn "can only reload from main coroutine\n";	2382	warn "can only reload from main coroutine";
2129	return;	2383	return;
2130	}	2384	}
2131		2385
2132	warn "reloading...";	2386	warn "reloading...";
2133		2387
2134	my $guard = freeze_mainloop;	2388	warn "cancelling server ticker";
		2389	$TICK_WATCHER->cancel;
		2390
2135	cf::emergency_save;	2391	cf::emergency_save;
2136		2392
2137	eval {	2393	eval {
2138	# if anything goes wrong in here, we should simply crash as we already saved	2394	# if anything goes wrong in here, we should simply crash as we already saved
2139		2395
2140	# cancel all watchers	2396	warn "syncing database to disk";
		2397	cf::db_sync;
		2398
		2399	warn "cancelling all WF_AUTOCANCEL watchers";
2141	for (Event::all_watchers) {	2400	for (Event::all_watchers) {
2142	$_->cancel if $_->data & WF_AUTOCANCEL;	2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2143	}	2402	}
2144		2403
		2404	warn "flushing outstanding aio requests";
		2405	for (;;) {
		2406	IO::AIO::flush;
		2407	Coro::cede;
		2408	last unless IO::AIO::nreqs;
		2409	warn "iterate...";
		2410	}
		2411
2145	# cancel all extension coros	2412	warn "cancelling all extension coros";
2146	$_->cancel for values %EXT_CORO;	2413	$_->cancel for values %EXT_CORO;
2147	%EXT_CORO = ();	2414	%EXT_CORO = ();
2148		2415
2149	# unload all extensions	2416	warn "removing commands";
2150	for (@exts) {	2417	%COMMAND = ();
		2418
		2419	warn "removing ext commands";
		2420	%EXTCMD = ();
		2421
		2422	warn "unloading/nuking all extensions";
		2423	for my $pkg (@EXTS) {
2151	warn "unloading <$_>";	2424	warn "... unloading $pkg";
2152	unload_extension $_;	2425
		2426	if (my $cb = $pkg->can ("unload")) {
		2427	eval {
		2428	$cb->($pkg);
		2429	1
		2430	} or warn "$pkg unloaded, but with errors: $@";
2153	}	2431	}
2154		2432
		2433	warn "... nuking $pkg";
		2434	Symbol::delete_package $pkg;
		2435	}
		2436
2155	# unload all modules loaded from $LIBDIR	2437	warn "unloading all perl modules loaded from $LIBDIR";
2156	while (my ($k, $v) = each %INC) {	2438	while (my ($k, $v) = each %INC) {
2157	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2158		2440
2159	warn "removing <$k>";	2441	warn "... unloading $k";
2160	delete $INC{$k};	2442	delete $INC{$k};
2161		2443
2162	$k =~ s/\.pm$//;	2444	$k =~ s/\.pm$//;
2163	$k =~ s/\//::/g;	2445	$k =~ s/\//::/g;
2164		2446
…		…
2167	}	2449	}
2168		2450
2169	Symbol::delete_package $k;	2451	Symbol::delete_package $k;
2170	}	2452	}
2171		2453
2172	# sync database to disk
2173	cf::db_sync;
2174	IO::AIO::flush;
2175
2176	# get rid of safe::, as good as possible	2454	warn "getting rid of safe::, as good as possible";
2177	Symbol::delete_package "safe::$_"	2455	Symbol::delete_package "safe::$_"
2178	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2179		2457
2180	# remove register_script_function callbacks
2181	# TODO
2182
2183	# unload cf.pm "a bit"	2458	warn "unloading cf.pm \"a bit\"";
2184	delete $INC{"cf.pm"};	2459	delete $INC{"cf.pm"};
2185		2460
2186	# don't, removes xs symbols, too,	2461	# don't, removes xs symbols, too,
2187	# and global variables created in xs	2462	# and global variables created in xs
2188	#Symbol::delete_package __PACKAGE__;	2463	#Symbol::delete_package __PACKAGE__;
2189		2464
2190	# reload cf.pm	2465	warn "unload completed, starting to reload now";
		2466
2191	warn "reloading cf.pm";	2467	warn "reloading cf.pm";
2192	require cf;	2468	require cf;
2193	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2194		2470
2195	# load config and database again	2471	warn "loading config and database again";
2196	cf::cfg_load;	2472	cf::cfg_load;
2197	cf::db_load;	2473	cf::db_load;
2198		2474
2199	# load extensions
2200	warn "load extensions";	2475	warn "loading extensions";
2201	cf::load_extensions;	2476	cf::load_extensions;
2202		2477
2203	# reattach attachments to objects	2478	warn "reattaching attachments to objects/players";
2204	warn "reattach";
2205	_global_reattach;	2479	_global_reattach;
		2480	warn "reattaching attachments to maps";
2206	reattach $_ for values %MAP;	2481	reattach $_ for values %MAP;
		2482
		2483	warn "loading reloadable resources";
		2484	load_resources;
		2485
		2486	warn "restarting server ticker";
		2487
		2488	$TICK_WATCHER->start;
2207	};	2489	};
2208		2490
2209	if ($@) {	2491	if ($@) {
2210	warn $@;	2492	warn $@;
2211	warn "error while reloading, exiting.";	2493	warn "error while reloading, exiting.";
2212	exit 1;	2494	exit 1;
2213	}	2495	}
2214		2496
2215	warn "reloaded successfully";	2497	warn "reloaded";
2216	};	2498	};
2217		2499
2218	#############################################################################	2500	our $RELOAD_WATCHER; # used only during reload
2219
2220	unless ($LINK_MAP) {
2221	$LINK_MAP = cf::map::new;
2222
2223	$LINK_MAP->width (41);
2224	$LINK_MAP->height (41);
2225	$LINK_MAP->alloc;
2226	$LINK_MAP->path ("{link}");
2227	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2228	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2229
2230	# dirty hack because... archetypes are not yet loaded
2231	Event->timer (
2232	after => 10,
2233	cb => sub {
2234	$_[0]->w->cancel;
2235
2236	# provide some exits "home"
2237	my $exit = cf::object::new "exit";
2238
2239	$exit->slaying ($EMERGENCY_POSITION->[0]);
2240	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2241	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2242
2243	$LINK_MAP->insert ($exit->clone, 19, 19);
2244	$LINK_MAP->insert ($exit->clone, 19, 20);
2245	$LINK_MAP->insert ($exit->clone, 19, 21);
2246	$LINK_MAP->insert ($exit->clone, 20, 19);
2247	$LINK_MAP->insert ($exit->clone, 20, 21);
2248	$LINK_MAP->insert ($exit->clone, 21, 19);
2249	$LINK_MAP->insert ($exit->clone, 21, 20);
2250	$LINK_MAP->insert ($exit->clone, 21, 21);
2251
2252	$exit->destroy;
2253	});
2254
2255	$LINK_MAP->{deny_save} = 1;
2256	$LINK_MAP->{deny_reset} = 1;
2257
2258	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2259	}
2260
2261	register "<global>", __PACKAGE__;
2262		2501
2263	register_command "reload" => sub {	2502	register_command "reload" => sub {
2264	my ($who, $arg) = @_;	2503	my ($who, $arg) = @_;
2265		2504
2266	if ($who->flag (FLAG_WIZ)) {	2505	if ($who->flag (FLAG_WIZ)) {
2267	$who->message ("start of reload.");	2506	$who->message ("reloading server.");
		2507
		2508	# doing reload synchronously and two reloads happen back-to-back,
		2509	# coro crashes during coro_state_free->destroy here.
		2510
		2511	$RELOAD_WATCHER ||= Event->timer (
		2512	reentrant => 0,
		2513	after => 0,
		2514	data => WF_AUTOCANCEL,
		2515	cb => sub {
2268	reload;	2516	reload;
2269	$who->message ("end of reload.");	2517	undef $RELOAD_WATCHER;
		2518	},
		2519	);
2270	}	2520	}
2271	};	2521	};
2272		2522
2273	unshift @INC, $LIBDIR;	2523	unshift @INC, $LIBDIR;
		2524
		2525	my $bug_warning = 0;
2274		2526
2275	$TICK_WATCHER = Event->timer (	2527	$TICK_WATCHER = Event->timer (
2276	reentrant => 0,	2528	reentrant => 0,
		2529	parked => 1,
2277	prio => 0,	2530	prio => 0,
2278	at => $NEXT_TICK || $TICK,	2531	at => $NEXT_TICK || $TICK,
2279	data => WF_AUTOCANCEL,	2532	data => WF_AUTOCANCEL,
2280	cb => sub {	2533	cb => sub {
		2534	if ($Coro::current != $Coro::main) {
		2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2536	unless ++$bug_warning > 10;
		2537	return;
		2538	}
		2539
		2540	$NOW = Event::time;
		2541
2281	cf::server_tick; # one server iteration	2542	cf::server_tick; # one server iteration
2282	$RUNTIME += $TICK;	2543	$RUNTIME += $TICK;
2283	$NEXT_TICK += $TICK;	2544	$NEXT_TICK += $TICK;
		2545
		2546	$WAIT_FOR_TICK->broadcast;
		2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2548
		2549	Event::sweep;
		2550	Coro::cede_notself;
		2551
		2552	# my $AFTER = Event::time;
		2553	# warn $AFTER - $NOW;#d#
2284		2554
2285	# if we are delayed by four ticks or more, skip them all	2555	# if we are delayed by four ticks or more, skip them all
2286	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2287		2557
2288	$TICK_WATCHER->at ($NEXT_TICK);	2558	$TICK_WATCHER->at ($NEXT_TICK);
2289	$TICK_WATCHER->start;	2559	$TICK_WATCHER->start;
2290	},	2560	},
2291	);	2561	);
2292		2562
		2563	{
		2564	BDB::max_poll_time $TICK * 0.1;
		2565	$BDB_POLL_WATCHER = Event->io (
		2566	reentrant => 0,
		2567	fd => BDB::poll_fileno,
		2568	poll => 'r',
		2569	prio => 0,
		2570	data => WF_AUTOCANCEL,
		2571	cb => \&BDB::poll_cb,
		2572	);
		2573	BDB::min_parallel 8;
		2574
		2575	BDB::set_sync_prepare {
		2576	my $status;
		2577	my $current = $Coro::current;
		2578	(
		2579	sub {
		2580	$status = $!;
		2581	$current->ready; undef $current;
		2582	},
		2583	sub {
		2584	Coro::schedule while defined $current;
		2585	$! = $status;
		2586	},
		2587	)
		2588	};
		2589
		2590	unless ($DB_ENV) {
		2591	$DB_ENV = BDB::db_env_create;
		2592
		2593	cf::sync_job {
		2594	BDB::db_env_open
		2595	$DB_ENV,
		2596	$BDB_ENV_DIR,
		2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2599	0666;
		2600
		2601	cf::cleanup "$!" if $!;
		2602
		2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2604	};
		2605	}
		2606	}
		2607
		2608	{
		2609	IO::AIO::min_parallel 8;
		2610
		2611	undef $Coro::AIO::WATCHER;
2293	IO::AIO::max_poll_time $TICK * 0.2;	2612	IO::AIO::max_poll_time $TICK * 0.1;
2294		2613	$AIO_POLL_WATCHER = Event->io (
2295	Event->io (	2614	reentrant => 0,
2296	fd => IO::AIO::poll_fileno,	2615	fd => IO::AIO::poll_fileno,
2297	poll => 'r',	2616	poll => 'r',
2298	prio => 5,	2617	prio => 6,
2299	data => WF_AUTOCANCEL,	2618	data => WF_AUTOCANCEL,
2300	cb => \&IO::AIO::poll_cb,	2619	cb => \&IO::AIO::poll_cb,
2301	);	2620	);
		2621	}
2302		2622
2303	Event->timer (	2623	$WRITE_RUNTIME_WATCHER = Event->timer (
		2624	reentrant => 0,
2304	data => WF_AUTOCANCEL,	2625	data => WF_AUTOCANCEL,
2305	after => 0,	2626	after => 1,
2306	interval => 10,	2627	interval => 10,
2307	cb => sub {	2628	prio => 6, # keep it lowest so it acts like a watchdog
2308	(Coro::unblock_sub {	2629	cb => Coro::unblock_sub {
2309	write_runtime	2630	write_runtime
2310	or warn "ERROR: unable to write runtime file: $!";	2631	or warn "ERROR: unable to write runtime file: $!";
2311	})->();
2312	},	2632	},
2313	);	2633	);
2314		2634
2315	END { cf::emergency_save }	2635	END { cf::emergency_save }
2316		2636

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