[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.101 by root, Mon Dec 25 14:43:23 2006 UTC vs.
Revision 1.110 by root, Mon Jan 1 11:21:55 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;	13	use Coro 3.3;
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		19
		20	use Digest::MD5;
		21	use Fcntl;
19	use IO::AIO 2.3;	22	use IO::AIO 2.31 ();
20	use YAML::Syck ();	23	use YAML::Syck ();
21	use Time::HiRes;	24	use Time::HiRes;
22		25
23	use Event; $Event::Eval = 1; # no idea why this is required, but it is	26	use Event; $Event::Eval = 1; # no idea why this is required, but it is
24		27
25	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
26	$YAML::Syck::ImplicitUnicode = 1;	29	$YAML::Syck::ImplicitUnicode = 1;
27		30
28	$Coro::main->prio (Coro::PRIO_MIN);	31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority
29		32
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		34
32	our %COMMAND = ();	35	our %COMMAND = ();
33	our %COMMAND_TIME = ();	36	our %COMMAND_TIME = ();
…		…
37	our $LIBDIR = datadir . "/ext";	40	our $LIBDIR = datadir . "/ext";
38		41
39	our $TICK = MAX_TIME * 1e-6;	42	our $TICK = MAX_TIME * 1e-6;
40	our $TICK_WATCHER;	43	our $TICK_WATCHER;
41	our $NEXT_TICK;	44	our $NEXT_TICK;
		45	our $NOW;
42		46
43	our %CFG;	47	our %CFG;
44		48
45	our $UPTIME; $UPTIME \|\|= time;	49	our $UPTIME; $UPTIME \|\|= time;
		50	our $RUNTIME;
		51
		52	our %MAP; # all maps
		53	our $LINK_MAP; # the special {link} map
		54	our $FREEZE;
		55	our $RANDOM_MAPS = cf::localdir . "/random";
		56	our %EXT_CORO;
		57
		58	binmode STDOUT;
		59	binmode STDERR;
		60
		61	# read virtual server time, if available
		62	unless ($RUNTIME \|\| !-e cf::localdir . "/runtime") {
		63	open my $fh, "<", cf::localdir . "/runtime"
		64	or die "unable to read runtime file: $!";
		65	$RUNTIME = <$fh> + 0.;
		66	}
		67
		68	mkdir cf::localdir;
		69	mkdir cf::localdir . "/" . cf::playerdir;
		70	mkdir cf::localdir . "/" . cf::tmpdir;
		71	mkdir cf::localdir . "/" . cf::uniquedir;
		72	mkdir $RANDOM_MAPS;
		73
		74	# a special map that is always available
		75	our $LINK_MAP;
		76
		77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
46		78
47	#############################################################################	79	#############################################################################
48		80
49	=head2 GLOBAL VARIABLES	81	=head2 GLOBAL VARIABLES
50		82
51	=over 4	83	=over 4
52		84
53	=item $cf::UPTIME	85	=item $cf::UPTIME
54		86
55	The timestamp of the server start (so not actually an uptime).	87	The timestamp of the server start (so not actually an uptime).
		88
		89	=item $cf::RUNTIME
		90
		91	The time this server has run, starts at 0 and is increased by $cf::TICK on
		92	every server tick.
56		93
57	=item $cf::LIBDIR	94	=item $cf::LIBDIR
58		95
59	The perl library directory, where extensions and cf-specific modules can	96	The perl library directory, where extensions and cf-specific modules can
60	be found. It will be added to C<@INC> automatically.	97	be found. It will be added to C<@INC> automatically.
		98
		99	=item $cf::NOW
		100
		101	The time of the last (current) server tick.
61		102
62	=item $cf::TICK	103	=item $cf::TICK
63		104
64	The interval between server ticks, in seconds.	105	The interval between server ticks, in seconds.
65		106
…		…
73	=cut	114	=cut
74		115
75	BEGIN {	116	BEGIN {
76	*CORE::GLOBAL::warn = sub {	117	*CORE::GLOBAL::warn = sub {
77	my $msg = join "", @_;	118	my $msg = join "", @_;
		119	utf8::encode $msg;
		120
78	$msg .= "\n"	121	$msg .= "\n"
79	unless $msg =~ /\n$/;	122	unless $msg =~ /\n$/;
80		123
81	print STDERR "cfperl: $msg";
82	LOG llevError, "cfperl: $msg";	124	LOG llevError, "cfperl: $msg";
83	};	125	};
84	}	126	}
85		127
86	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
139	sub to_json($) {	181	sub to_json($) {
140	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
141	JSON::Syck::Dump $_[0]	183	JSON::Syck::Dump $_[0]
142	}	184	}
143		185
		186	=item cf::sync_job { BLOCK }
		187
		188	The design of crossfire+ requires that the main coro ($Coro::main) is
		189	always able to handle events or runnable, as crossfire+ is only partly
		190	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		191
		192	If it must be done, put the blocking parts into C<sync_job>. This will run
		193	the given BLOCK in another coroutine while waiting for the result. The
		194	server will be frozen during this time, so the block should either finish
		195	fast or be very important.
		196
		197	=cut
		198
		199	sub sync_job(&) {
		200	my ($job) = @_;
		201
		202	my $busy = 1;
		203	my @res;
		204
		205	my $coro = Coro::async {
		206	@res = eval { $job->() };
		207	warn $@ if $@;
		208	undef $busy;
		209	};
		210
		211	if ($Coro::current == $Coro::main) {
		212	# TODO: use suspend/resume instead
		213	local $FREEZE = 1;
		214	$coro->prio (Coro::PRIO_MAX);
		215	while ($busy) {
		216	Coro::cede_notself;
		217	Event::one_event unless Coro::nready;
		218	}
		219	} else {
		220	$coro->join;
		221	}
		222
		223	wantarray ? @res : $res[0]
		224	}
		225
		226	=item $coro = cf::coro { BLOCK }
		227
		228	Creates and returns a new coro. This coro is automcatially being canceled
		229	when the extension calling this is being unloaded.
		230
		231	=cut
		232
		233	sub coro(&) {
		234	my $cb = shift;
		235
		236	my $coro; $coro = async {
		237	eval {
		238	$cb->();
		239	};
		240	warn $@ if $@;
		241	};
		242
		243	$coro->on_destroy (sub {
		244	delete $EXT_CORO{$coro+0};
		245	});
		246	$EXT_CORO{$coro+0} = $coro;
		247
		248	$coro
		249	}
		250
		251	sub write_runtime {
		252	my $runtime = cf::localdir . "/runtime";
		253
		254	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		255	or return;
		256
		257	my $value = $cf::RUNTIME;
		258	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		259	and return;
		260
		261	aio_fsync $fh
		262	and return;
		263
		264	close $fh
		265	or return;
		266
		267	aio_rename "$runtime~", $runtime
		268	and return;
		269
		270	1
		271	}
		272
144	=back	273	=back
145		274
146	=cut	275	=cut
		276
		277	#############################################################################
		278
		279	package cf::path;
		280
		281	sub new {
		282	my ($class, $path, $base) = @_;
		283
		284	$path = $path->as_string if ref $path;
		285
		286	my $self = bless { }, $class;
		287
		288	if ($path =~ s{^\?random/}{}) {
		289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		290	$self->{random} = cf::from_json $data;
		291	} else {
		292	if ($path =~ s{^~([^/]+)?}{}) {
		293	$self->{user_rel} = 1;
		294
		295	if (defined $1) {
		296	$self->{user} = $1;
		297	} elsif ($base =~ m{^~([^/]+)/}) {
		298	$self->{user} = $1;
		299	} else {
		300	warn "cannot resolve user-relative path without user <$path,$base>\n";
		301	}
		302	} elsif ($path =~ /^\//) {
		303	# already absolute
		304	} else {
		305	$base =~ s{[^/]+/?$}{};
		306	return $class->new ("$base/$path");
		307	}
		308
		309	for ($path) {
		310	redo if s{/\.?/}{/};
		311	redo if s{/[^/]+/\.\./}{/};
		312	}
		313	}
		314
		315	$self->{path} = $path;
		316
		317	$self
		318	}
		319
		320	# the name / primary key / in-game path
		321	sub as_string {
		322	my ($self) = @_;
		323
		324	$self->{user_rel} ? "~$self->{user}$self->{path}"
		325	: $self->{random} ? "?random/$self->{path}"
		326	: $self->{path}
		327	}
		328
		329	# the displayed name, this is a one way mapping
		330	sub visible_name {
		331	my ($self) = @_;
		332
		333	# if (my $rmp = $self->{random}) {
		334	# # todo: be more intelligent about this
		335	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		336	# } else {
		337	$self->as_string
		338	# }
		339	}
		340
		341	# escape the /'s in the path
		342	sub _escaped_path {
		343	# ∕ is U+2215
		344	(my $path = $_[0]{path}) =~ s/\//∕/g;
		345	$path
		346	}
		347
		348	# the original (read-only) location
		349	sub load_path {
		350	my ($self) = @_;
		351
		352	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		353	}
		354
		355	# the temporary/swap location
		356	sub save_path {
		357	my ($self) = @_;
		358
		359	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		360	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		361	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		362	}
		363
		364	# the unique path, might be eq to save_path
		365	sub uniq_path {
		366	my ($self) = @_;
		367
		368	$self->{user_rel} \|\| $self->{random}
		369	? undef
		370	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		371	}
		372
		373	# return random map parameters, or undef
		374	sub random_map_params {
		375	my ($self) = @_;
		376
		377	$self->{random}
		378	}
		379
		380	# this is somewhat ugly, but style maps do need special treatment
		381	sub is_style_map {
		382	$_[0]{path} =~ m{^/styles/}
		383	}
		384
		385	package cf;
147		386
148	#############################################################################	387	#############################################################################
149		388
150	=head2 ATTACHABLE OBJECTS	389	=head2 ATTACHABLE OBJECTS
151		390
…		…
454	=cut	693	=cut
455		694
456	#############################################################################	695	#############################################################################
457	# object support	696	# object support
458		697
		698	sub reattach {
		699	# basically do the same as instantiate, without calling instantiate
		700	my ($obj) = @_;
		701
		702	my $registry = $obj->registry;
		703
		704	@$registry = ();
		705
		706	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };
		707
		708	for my $name (keys %{ $obj->{_attachment} \|\| {} }) {
		709	if (my $attach = $attachment{$name}) {
		710	for (@$attach) {
		711	my ($klass, @attach) = @$_;
		712	_attach $registry, $klass, @attach;
		713	}
		714	} else {
		715	warn "object uses attachment '$name' that is not available, postponing.\n";
		716	}
		717	}
		718	}
		719
459	cf::attachable->attach (	720	cf::attachable->attach (
460	prio => -1000000,	721	prio => -1000000,
461	on_instantiate => sub {	722	on_instantiate => sub {
462	my ($obj, $data) = @_;	723	my ($obj, $data) = @_;
463		724
…		…
467	my ($name, $args) = @$_;	728	my ($name, $args) = @$_;
468		729
469	$obj->attach ($name, %{$args \|\| {} });	730	$obj->attach ($name, %{$args \|\| {} });
470	}	731	}
471	},	732	},
472	on_reattach => sub {	733	on_reattach => \&reattach,
473	# basically do the same as instantiate, without calling instantiate
474	my ($obj) = @_;
475	my $registry = $obj->registry;
476
477	@$registry = ();
478
479	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };
480
481	for my $name (keys %{ $obj->{_attachment} \|\| {} }) {
482	if (my $attach = $attachment{$name}) {
483	for (@$attach) {
484	my ($klass, @attach) = @$_;
485	_attach $registry, $klass, @attach;
486	}
487	} else {
488	warn "object uses attachment '$name' that is not available, postponing.\n";
489	}
490	}
491	},
492	on_clone => sub {	734	on_clone => sub {
493	my ($src, $dst) = @_;	735	my ($src, $dst) = @_;
494		736
495	@{$dst->registry} = @{$src->registry};	737	@{$dst->registry} = @{$src->registry};
496		738
…		…
502	);	744	);
503		745
504	sub object_freezer_save {	746	sub object_freezer_save {
505	my ($filename, $rdata, $objs) = @_;	747	my ($filename, $rdata, $objs) = @_;
506		748
		749	sync_job {
507	if (length $$rdata) {	750	if (length $$rdata) {
508	warn sprintf "saving %s (%d,%d)\n",	751	warn sprintf "saving %s (%d,%d)\n",
509	$filename, length $$rdata, scalar @$objs;	752	$filename, length $$rdata, scalar @$objs;
510		753
511	if (open my $fh, ">:raw", "$filename~") {	754	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {
512	chmod SAVE_MODE, $fh;
513	syswrite $fh, $$rdata;
514	close $fh;
515
516	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
517	chmod SAVE_MODE, $fh;	755	chmod SAVE_MODE, $fh;
518	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };	756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		757	aio_fsync $fh;
519	close $fh;	758	close $fh;
		759
		760	if (@$objs) {
		761	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
		762	chmod SAVE_MODE, $fh;
		763	my $data = Storable::nfreeze { version => 1, objs => $objs };
		764	aio_write $fh, 0, (length $data), $data, 0;
		765	aio_fsync $fh;
		766	close $fh;
520	rename "$filename.pst~", "$filename.pst";	767	aio_rename "$filename.pst~", "$filename.pst";
		768	}
		769	} else {
		770	aio_unlink "$filename.pst";
		771	}
		772
		773	aio_rename "$filename~", $filename;
521	} else {	774	} else {
522	unlink "$filename.pst";	775	warn "FATAL: $filename~: $!\n";
523	}	776	}
524
525	rename "$filename~", $filename;
526	} else {	777	} else {
527	warn "FATAL: $filename~: $!\n";
528	}
529	} else {
530	unlink $filename;	778	aio_unlink $filename;
531	unlink "$filename.pst";	779	aio_unlink "$filename.pst";
		780	}
532	}	781	}
533	}	782	}
534		783
535	sub object_freezer_as_string {	784	sub object_freezer_as_string {
536	my ($rdata, $objs) = @_;	785	my ($rdata, $objs) = @_;
…		…
541	}	790	}
542		791
543	sub object_thawer_load {	792	sub object_thawer_load {
544	my ($filename) = @_;	793	my ($filename) = @_;
545		794
546	local $/;	795	my ($data, $av);
547		796
548	my $av;	797	(aio_load $filename, $data) >= 0
		798	or return;
549		799
550	#TODO: use sysread etc.	800	unless (aio_stat "$filename.pst") {
551	if (open my $data, "<:raw:perlio", $filename) {	801	(aio_load "$filename.pst", $av) >= 0
552	$data = <$data>;	802	or return;
553	if (open my $pst, "<:raw:perlio", "$filename.pst") {
554	$av = eval { (Storable::thaw <$pst>)->{objs} };	803	$av = eval { (Storable::thaw <$av>)->{objs} };
555	}	804	}
		805
556	return ($data, $av);	806	return ($data, $av);
557	}
558
559	()
560	}	807	}
561		808
562	#############################################################################	809	#############################################################################
563	# command handling &c	810	# command handling &c
564		811
…		…
785	$self->send ("ext " . to_json \%msg);	1032	$self->send ("ext " . to_json \%msg);
786	}	1033	}
787		1034
788	=back	1035	=back
789		1036
		1037
		1038	=head3 cf::map
		1039
		1040	=over 4
		1041
		1042	=cut
		1043
		1044	package cf::map;
		1045
		1046	use Fcntl;
		1047	use Coro::AIO;
		1048
		1049	our $MAX_RESET = 7200;
		1050	our $DEFAULT_RESET = 3600;
		1051	$MAX_RESET = 10;#d#
		1052	$DEFAULT_RESET = 10;#d#
		1053
		1054	sub generate_random_map {
		1055	my ($path, $rmp) = @_;
		1056
		1057	# mit "rum" bekleckern, nicht
		1058	cf::map::_create_random_map
		1059	$path,
		1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1063	$rmp->{exit_on_final_map},
		1064	$rmp->{xsize}, $rmp->{ysize},
		1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1068	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1070	(cf::region::find $rmp->{region})
		1071	}
		1072
		1073	# and all this just because we cannot iterate over
		1074	# all maps in C++...
		1075	sub change_all_map_light {
		1076	my ($change) = @_;
		1077
		1078	$_->change_map_light ($change) for values %cf::MAP;
		1079	}
		1080
		1081	sub try_load_header($) {
		1082	my ($path) = @_;
		1083
		1084	utf8::encode $path;
		1085	aio_open $path, O_RDONLY, 0
		1086	or return;
		1087
		1088	my $map = cf::map::new
		1089	or return;
		1090
		1091	$map->load_header ($path)
		1092	or return;
		1093
		1094	$map->{load_path} = $path;
		1095	use Data::Dumper; warn Dumper $map;#d#
		1096
		1097	$map
		1098	}
		1099
		1100	sub find_map {
		1101	my ($path, $origin) = @_;
		1102
		1103	#warn "find_map<$path,$origin>\n";#d#
		1104
		1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;
		1106	my $key = $path->as_string;
		1107
		1108	$cf::MAP{$key} \|\| do {
		1109	# do it the slow way
		1110	my $map = try_load_header $path->save_path;
		1111
		1112	if ($map) {
		1113	# safety
		1114	$map->{instantiate_time} = $cf::RUNTIME
		1115	if $map->{instantiate_time} > $cf::RUNTIME;
		1116	} else {
		1117	if (my $rmp = $path->random_map_params) {
		1118	$map = generate_random_map $key, $rmp;
		1119	} else {
		1120	$map = try_load_header $path->load_path;
		1121	}
		1122
		1123	$map or return;
		1124
		1125	$map->{instantiate_time} = $cf::RUNTIME;
		1126	$map->instantiate;
		1127
		1128	# per-player maps become, after loading, normal maps
		1129	$map->per_player (0) if $path->{user_rel};
		1130	}
		1131
		1132	$map->path ($key);
		1133	$map->{path} = $path;
		1134	$map->last_access ($cf::RUNTIME);
		1135
		1136	$map->reset if $map->should_reset;
		1137
		1138	$cf::MAP{$key} = $map
		1139	}
		1140	}
		1141
		1142	sub load {
		1143	my ($self) = @_;
		1144
		1145	return if $self->in_memory != cf::MAP_SWAPPED;
		1146
		1147	$self->in_memory (cf::MAP_LOADING);
		1148
		1149	my $path = $self->{path};
		1150
		1151	$self->alloc;
		1152	$self->load_objects ($self->{load_path}, 1)
		1153	or return;
		1154
		1155	if (my $uniq = $path->uniq_path) {
		1156	utf8::encode $uniq;
		1157	if (aio_open $uniq, O_RDONLY, 0) {
		1158	$self->clear_unique_items;
		1159	$self->load_objects ($uniq, 0);
		1160	}
		1161	}
		1162
		1163	# now do the right thing for maps
		1164	$self->link_multipart_objects;
		1165
		1166	if ($self->{path}->is_style_map) {
		1167	$self->{deny_save} = 1;
		1168	$self->{deny_reset} = 1;
		1169	} else {
		1170	$self->fix_auto_apply;
		1171	$self->decay_objects;
		1172	$self->update_buttons;
		1173	$self->set_darkness_map;
		1174	$self->difficulty ($self->estimate_difficulty)
		1175	unless $self->difficulty;
		1176	$self->activate;
		1177	}
		1178
		1179	$self->in_memory (cf::MAP_IN_MEMORY);
		1180	}
		1181
		1182	sub load_map_sync {
		1183	my ($path, $origin) = @_;
		1184
		1185	#warn "load_map_sync<$path, $origin>\n";#d#
		1186
		1187	cf::sync_job {
		1188	my $map = cf::map::find_map $path, $origin
		1189	or return;
		1190	$map->load;
		1191	$map
		1192	}
		1193	}
		1194
		1195	sub save {
		1196	my ($self) = @_;
		1197
		1198	my $save = $self->{path}->save_path; utf8::encode $save;
		1199	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1200
		1201	$self->{last_save} = $cf::RUNTIME;
		1202
		1203	return unless $self->dirty;
		1204
		1205	$self->{load_path} = $save;
		1206
		1207	return if $self->{deny_save};
		1208
		1209	warn "saving map ", $self->path;
		1210
		1211	if ($uniq) {
		1212	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
		1213	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1214	} else {
		1215	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
		1216	}
		1217	}
		1218
		1219	sub swap_out {
		1220	my ($self) = @_;
		1221
		1222	return if $self->players;
		1223	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1224	return if $self->{deny_save};
		1225
		1226	$self->save;
		1227	$self->clear;
		1228	$self->in_memory (cf::MAP_SWAPPED);
		1229	}
		1230
		1231	sub should_reset {
		1232	my ($map) = @_;
		1233
		1234	# TODO: safety, remove and allow resettable per-player maps
		1235	return if $map->{path}{user_rel};#d#
		1236	return if $map->{deny_reset};
		1237	#return unless $map->reset_timeout;
		1238
		1239	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
		1240
		1241	$time + ($map->reset_timeout \|\| $DEFAULT_RESET) < $cf::RUNTIME
		1242	}
		1243
		1244	sub reset {
		1245	my ($self) = @_;
		1246
		1247	return if $self->players;
		1248	return if $self->{path}{user_rel};#d#
		1249
		1250	warn "resetting map ", $self->path;#d#
		1251
		1252	utf8::encode (my $save = $self->{path}->save_path);
		1253	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1255
		1256	$_->clear_links_to ($self) for values %cf::MAP;
		1257
		1258	$self->clear;
		1259	$self->in_memory (cf::MAP_SWAPPED);
		1260	utf8::encode ($self->{load_path} = $self->{path}->load_path);
		1261	}
		1262
		1263	sub customise_for {
		1264	my ($map, $ob) = @_;
		1265
		1266	if ($map->per_player) {
		1267	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};
		1268	}
		1269
		1270	$map
		1271	}
		1272
		1273	sub emergency_save {
		1274	local $cf::FREEZE = 1;
		1275
		1276	warn "enter emergency map save\n";
		1277
		1278	cf::sync_job {
		1279	warn "begin emergency map save\n";
		1280	$_->save for values %cf::MAP;
		1281	};
		1282
		1283	warn "end emergency map save\n";
		1284	}
		1285
		1286	package cf;
		1287
		1288	=back
		1289
		1290
790	=head3 cf::object::player	1291	=head3 cf::object::player
791		1292
792	=over 4	1293	=over 4
793		1294
794	=item $player_object->reply ($npc, $msg[, $flags])	1295	=item $player_object->reply ($npc, $msg[, $flags])
…		…
827		1328
828	$self->flag (cf::FLAG_WIZ) \|\|	1329	$self->flag (cf::FLAG_WIZ) \|\|
829	(ref $cf::CFG{"may_$access"}	1330	(ref $cf::CFG{"may_$access"}
830	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1331	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
831	: $cf::CFG{"may_$access"})	1332	: $cf::CFG{"may_$access"})
		1333	}
		1334
		1335	sub cf::object::player::enter_link {
		1336	my ($self) = @_;
		1337
		1338	return if $self->map == $LINK_MAP;
		1339
		1340	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]
		1341	if $self->map;
		1342
		1343	$self->enter_map ($LINK_MAP, 20, 20);
		1344	$self->deactivate_recursive;
		1345	}
		1346
		1347	sub cf::object::player::leave_link {
		1348	my ($self, $map, $x, $y) = @_;
		1349
		1350	my $link_pos = delete $self->{_link_pos};
		1351
		1352	unless ($map) {
		1353	$self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		1354
		1355	# restore original map position
		1356	($map, $x, $y) = @{ $link_pos \|\| [] };
		1357	$map = cf::map::find_map $map;
		1358
		1359	unless ($map) {
		1360	($map, $x, $y) = @$EMERGENCY_POSITION;
		1361	$map = cf::map::find_map $map
		1362	or die "FATAL: cannot load emergency map\n";
		1363	}
		1364	}
		1365
		1366	($x, $y) = (-1, -1)
		1367	unless (defined $x) && (defined $y);
		1368
		1369	# use -1 or undef as default coordinates, not 0, 0
		1370	($x, $y) = ($map->enter_x, $map->enter_y)
		1371	if $x <=0 && $y <= 0;
		1372
		1373	$map->load;
		1374
		1375	$self->activate_recursive;
		1376	$self->enter_map ($map, $x, $y);
		1377	}
		1378
		1379	=item $player_object->goto_map ($map, $x, $y)
		1380
		1381	=cut
		1382
		1383	sub cf::object::player::goto_map {
		1384	my ($self, $path, $x, $y) = @_;
		1385
		1386	$self->enter_link;
		1387
		1388	(Coro::async {
		1389	$path = new cf::path $path;
		1390
		1391	my $map = cf::map::find_map $path->as_string;
		1392	$map = $map->customise_for ($self) if $map;
		1393
		1394	warn "entering ", $map->path, " at ($x, $y)\n"
		1395	if $map;
		1396
		1397	$self->leave_link ($map, $x, $y);
		1398	})->prio (1);
		1399	}
		1400
		1401	=item $player_object->enter_exit ($exit_object)
		1402
		1403	=cut
		1404
		1405	sub parse_random_map_params {
		1406	my ($spec) = @_;
		1407
		1408	my $rmp = { # defaults
		1409	xsize => 10,
		1410	ysize => 10,
		1411	};
		1412
		1413	for (split /\n/, $spec) {
		1414	my ($k, $v) = split /\s+/, $_, 2;
		1415
		1416	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1417	}
		1418
		1419	$rmp
		1420	}
		1421
		1422	sub prepare_random_map {
		1423	my ($exit) = @_;
		1424
		1425	# all this does is basically replace the /! path by
		1426	# a new random map path (?random/...) with a seed
		1427	# that depends on the exit object
		1428
		1429	my $rmp = parse_random_map_params $exit->msg;
		1430
		1431	if ($exit->map) {
		1432	$rmp->{region} = $exit->map->region_name;
		1433	$rmp->{origin_map} = $exit->map->path;
		1434	$rmp->{origin_x} = $exit->x;
		1435	$rmp->{origin_y} = $exit->y;
		1436	}
		1437
		1438	$rmp->{random_seed} \|\|= $exit->random_seed;
		1439
		1440	my $data = cf::to_json $rmp;
		1441	my $md5 = Digest::MD5::md5_hex $data;
		1442
		1443	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {
		1444	aio_write $fh, 0, (length $data), $data, 0;
		1445
		1446	$exit->slaying ("?random/$md5");
		1447	$exit->msg (undef);
		1448	}
		1449	}
		1450
		1451	sub cf::object::player::enter_exit {
		1452	my ($self, $exit) = @_;
		1453
		1454	return unless $self->type == cf::PLAYER;
		1455
		1456	$self->enter_link;
		1457
		1458	(Coro::async {
		1459	unless (eval {
		1460
		1461	prepare_random_map $exit
		1462	if $exit->slaying eq "/!";
		1463
		1464	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1465	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
		1466
		1467	1;
		1468	}) {
		1469	$self->message ("Something went wrong deep within the crossfire server. "
		1470	. "I'll try to bring you back to the map you were before. "
		1471	. "Please report this to the dungeon master",
		1472	cf::NDI_UNIQUE \| cf::NDI_RED);
		1473
		1474	warn "ERROR in enter_exit: $@";
		1475	$self->leave_link;
		1476	}
		1477	})->prio (1);
832	}	1478	}
833		1479
834	=head3 cf::client	1480	=head3 cf::client
835		1481
836	=over 4	1482	=over 4
…		…
913	my $coro; $coro = async {	1559	my $coro; $coro = async {
914	eval {	1560	eval {
915	$cb->();	1561	$cb->();
916	};	1562	};
917	warn $@ if $@;	1563	warn $@ if $@;
		1564	};
		1565
		1566	$coro->on_destroy (sub {
918	delete $self->{_coro}{$coro+0};	1567	delete $self->{_coro}{$coro+0};
919	};	1568	});
920		1569
921	$self->{_coro}{$coro+0} = $coro;	1570	$self->{_coro}{$coro+0} = $coro;
		1571
		1572	$coro
922	}	1573	}
923		1574
924	cf::client->attach (	1575	cf::client->attach (
925	on_destroy => sub {	1576	on_destroy => sub {
926	my ($ns) = @_;	1577	my ($ns) = @_;
…		…
1158	local $/;	1809	local $/;
1159	*CFG = YAML::Syck::Load <$fh>;	1810	*CFG = YAML::Syck::Load <$fh>;
1160	}	1811	}
1161		1812
1162	sub main {	1813	sub main {
		1814	# we must not ever block the main coroutine
		1815	local $Coro::idle = sub {
		1816	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#
		1817	(Coro::unblock_sub {
		1818	Event::one_event;
		1819	})->();
		1820	};
		1821
1163	cfg_load;	1822	cfg_load;
1164	db_load;	1823	db_load;
1165	load_extensions;	1824	load_extensions;
1166	Event::loop;	1825	Event::loop;
1167	}	1826	}
1168		1827
1169	#############################################################################	1828	#############################################################################
1170	# initialisation	1829	# initialisation
1171		1830
1172	sub _perl_reload(&) {	1831	sub perl_reload() {
1173	my ($msg) = @_;	1832	# can/must only be called in main
		1833	if ($Coro::current != $Coro::main) {
		1834	warn "can only reload from main coroutine\n";
		1835	return;
		1836	}
1174		1837
1175	$msg->("reloading...");	1838	warn "reloading...";
		1839
		1840	local $FREEZE = 1;
		1841	cf::emergency_save;
1176		1842
1177	eval {	1843	eval {
		1844	# if anything goes wrong in here, we should simply crash as we already saved
		1845
1178	# cancel all watchers	1846	# cancel all watchers
1179	for (Event::all_watchers) {	1847	for (Event::all_watchers) {
1180	$_->cancel if $_->data & WF_AUTOCANCEL;	1848	$_->cancel if $_->data & WF_AUTOCANCEL;
1181	}	1849	}
1182		1850
		1851	# cancel all extension coros
		1852	$_->cancel for values %EXT_CORO;
		1853	%EXT_CORO = ();
		1854
1183	# unload all extensions	1855	# unload all extensions
1184	for (@exts) {	1856	for (@exts) {
1185	$msg->("unloading <$_>");	1857	warn "unloading <$_>";
1186	unload_extension $_;	1858	unload_extension $_;
1187	}	1859	}
1188		1860
1189	# unload all modules loaded from $LIBDIR	1861	# unload all modules loaded from $LIBDIR
1190	while (my ($k, $v) = each %INC) {	1862	while (my ($k, $v) = each %INC) {
1191	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	1863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1192		1864
1193	$msg->("removing <$k>");	1865	warn "removing <$k>";
1194	delete $INC{$k};	1866	delete $INC{$k};
1195		1867
1196	$k =~ s/\.pm$//;	1868	$k =~ s/\.pm$//;
1197	$k =~ s/\//::/g;	1869	$k =~ s/\//::/g;
1198		1870
…		…
1203	Symbol::delete_package $k;	1875	Symbol::delete_package $k;
1204	}	1876	}
1205		1877
1206	# sync database to disk	1878	# sync database to disk
1207	cf::db_sync;	1879	cf::db_sync;
		1880	IO::AIO::flush;
1208		1881
1209	# get rid of safe::, as good as possible	1882	# get rid of safe::, as good as possible
1210	Symbol::delete_package "safe::$_"	1883	Symbol::delete_package "safe::$_"
1211	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	1884	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1212		1885
1213	# remove register_script_function callbacks	1886	# remove register_script_function callbacks
1214	# TODO	1887	# TODO
1215		1888
1216	# unload cf.pm "a bit"	1889	# unload cf.pm "a bit"
…		…
1219	# don't, removes xs symbols, too,	1892	# don't, removes xs symbols, too,
1220	# and global variables created in xs	1893	# and global variables created in xs
1221	#Symbol::delete_package __PACKAGE__;	1894	#Symbol::delete_package __PACKAGE__;
1222		1895
1223	# reload cf.pm	1896	# reload cf.pm
1224	$msg->("reloading cf.pm");	1897	warn "reloading cf.pm";
1225	require cf;	1898	require cf;
1226	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	1899	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1227		1900
1228	# load config and database again	1901	# load config and database again
1229	cf::cfg_load;	1902	cf::cfg_load;
1230	cf::db_load;	1903	cf::db_load;
1231		1904
1232	# load extensions	1905	# load extensions
1233	$msg->("load extensions");	1906	warn "load extensions";
1234	cf::load_extensions;	1907	cf::load_extensions;
1235		1908
1236	# reattach attachments to objects	1909	# reattach attachments to objects
1237	$msg->("reattach");	1910	warn "reattach";
1238	_global_reattach;	1911	_global_reattach;
1239	};	1912	};
1240	$msg->($@) if $@;
1241		1913
1242	$msg->("reloaded");	1914	if ($@) {
		1915	warn $@;
		1916	warn "error while reloading, exiting.";
		1917	exit 1;
		1918	}
		1919
		1920	warn "reloaded successfully";
1243	};	1921	};
1244		1922
1245	sub perl_reload() {	1923	#############################################################################
1246	_perl_reload {	1924
1247	warn $_[0];	1925	unless ($LINK_MAP) {
1248	print "$_[0]\n";	1926	$LINK_MAP = cf::map::new;
1249	};	1927
		1928	$LINK_MAP->width (41);
		1929	$LINK_MAP->height (41);
		1930	$LINK_MAP->alloc;
		1931	$LINK_MAP->path ("{link}");
		1932	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		1933	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		1934
		1935	# dirty hack because... archetypes are not yet loaded
		1936	Event->timer (
		1937	after => 2,
		1938	cb => sub {
		1939	$_[0]->w->cancel;
		1940
		1941	# provide some exits "home"
		1942	my $exit = cf::object::new "exit";
		1943
		1944	$exit->slaying ($EMERGENCY_POSITION->[0]);
		1945	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		1946	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		1947
		1948	$LINK_MAP->insert ($exit->clone, 19, 19);
		1949	$LINK_MAP->insert ($exit->clone, 19, 20);
		1950	$LINK_MAP->insert ($exit->clone, 19, 21);
		1951	$LINK_MAP->insert ($exit->clone, 20, 19);
		1952	$LINK_MAP->insert ($exit->clone, 20, 21);
		1953	$LINK_MAP->insert ($exit->clone, 21, 19);
		1954	$LINK_MAP->insert ($exit->clone, 21, 20);
		1955	$LINK_MAP->insert ($exit->clone, 21, 21);
		1956
		1957	$exit->destroy;
		1958	});
		1959
		1960	$LINK_MAP->{deny_save} = 1;
		1961	$LINK_MAP->{deny_reset} = 1;
		1962
		1963	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1250	}	1964	}
1251		1965
1252	register "<global>", __PACKAGE__;	1966	register "<global>", __PACKAGE__;
1253		1967
1254	register_command "perl-reload" => sub {	1968	register_command "perl-reload" => sub {
1255	my ($who, $arg) = @_;	1969	my ($who, $arg) = @_;
1256		1970
1257	if ($who->flag (FLAG_WIZ)) {	1971	if ($who->flag (FLAG_WIZ)) {
		1972	$who->message ("start of reload.");
1258	_perl_reload {	1973	perl_reload;
1259	warn $_[0];	1974	$who->message ("end of reload.");
1260	$who->message ($_[0]);
1261	};
1262	}	1975	}
1263	};	1976	};
1264		1977
1265	unshift @INC, $LIBDIR;	1978	unshift @INC, $LIBDIR;
1266		1979
1267	$TICK_WATCHER = Event->timer (	1980	$TICK_WATCHER = Event->timer (
		1981	reentrant => 0,
1268	prio => 0,	1982	prio => 0,
1269	at => $NEXT_TICK \|\| 1,	1983	at => $NEXT_TICK \|\| $TICK,
1270	data => WF_AUTOCANCEL,	1984	data => WF_AUTOCANCEL,
1271	cb => sub {	1985	cb => sub {
		1986	unless ($FREEZE) {
1272	cf::server_tick; # one server iteration	1987	cf::server_tick; # one server iteration
		1988	$RUNTIME += $TICK;
		1989	}
1273		1990
1274	my $NOW = Event::time;
1275	$NEXT_TICK += $TICK;	1991	$NEXT_TICK += $TICK;
1276		1992
1277	# if we are delayed by four ticks or more, skip them all	1993	# if we are delayed by four ticks or more, skip them all
1278	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	1994	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1279		1995
1280	$TICK_WATCHER->at ($NEXT_TICK);	1996	$TICK_WATCHER->at ($NEXT_TICK);
1281	$TICK_WATCHER->start;	1997	$TICK_WATCHER->start;
1282	},	1998	},
1283	);	1999	);
1284		2000
1285	IO::AIO::max_poll_time $TICK * 0.2;	2001	IO::AIO::max_poll_time $TICK * 0.2;
1286		2002
		2003	Event->io (
1287	Event->io (fd => IO::AIO::poll_fileno,	2004	fd => IO::AIO::poll_fileno,
1288	poll => 'r',	2005	poll => 'r',
1289	prio => 5,	2006	prio => 5,
1290	data => WF_AUTOCANCEL,	2007	data => WF_AUTOCANCEL,
1291	cb => \&IO::AIO::poll_cb);	2008	cb => \&IO::AIO::poll_cb,
		2009	);
		2010
		2011	Event->timer (
		2012	data => WF_AUTOCANCEL,
		2013	after => 0,
		2014	interval => 10,
		2015	cb => sub {
		2016	(Coro::unblock_sub {
		2017	write_runtime
		2018	or warn "ERROR: unable to write runtime file: $!";
		2019	})->();
		2020	},
		2021	);
1292		2022
1293	1	2023	1
1294		2024

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.101 by root, Mon Dec 25 14:43:23 2006 UTC vs. Revision 1.110 by root, Mon Jan 1 11:21:55 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.101 by root, Mon Dec 25 14:43:23 2006 UTC vs.
Revision 1.110 by root, Mon Jan 1 11:21:55 2007 UTC