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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.102 by root, Wed Dec 27 15:20:54 2006 UTC vs.
Revision 1.114 by root, Mon Jan 1 16:00:10 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 ($job) = @_;
		201
		202	if ($Coro::current == $Coro::main) {
		203	# this is the main coro, too bad, we have to block
		204	# till the operation succeeds, freezing the server :/
		205
		206	# TODO: use suspend/resume instead
		207	# (but this is cancel-safe)
		208	local $FREEZE = 1;
		209
		210	my $busy = 1;
		211	my @res;
		212
		213	(Coro::async {
		214	@res = eval { $job->() };
		215	warn $@ if $@;
		216	undef $busy;
		217	})->prio (Coro::PRIO_MAX);
		218
		219	while ($busy) {
		220	Coro::cede_notself;
		221	Event::one_event unless Coro::nready;
		222	}
		223
		224	wantarray ? @res : $res[0]
		225	} else {
		226	# we are in another coroutine, how wonderful, everything just works
		227
		228	$job->()
		229	}
		230	}
		231
		232	=item $coro = cf::coro { BLOCK }
		233
		234	Creates and returns a new coro. This coro is automcatially being canceled
		235	when the extension calling this is being unloaded.
		236
		237	=cut
		238
		239	sub coro(&) {
		240	my $cb = shift;
		241
		242	my $coro; $coro = async {
		243	eval {
		244	$cb->();
		245	};
		246	warn $@ if $@;
		247	};
		248
		249	$coro->on_destroy (sub {
		250	delete $EXT_CORO{$coro+0};
		251	});
		252	$EXT_CORO{$coro+0} = $coro;
		253
		254	$coro
		255	}
		256
		257	sub write_runtime {
		258	my $runtime = cf::localdir . "/runtime";
		259
		260	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		261	or return;
		262
		263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
		264	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		265	and return;
		266
		267	aio_fsync $fh
		268	and return;
		269
		270	close $fh
		271	or return;
		272
		273	aio_rename "$runtime~", $runtime
		274	and return;
		275
		276	1
		277	}
		278
144	=back	279	=back
145		280
146	=cut	281	=cut
		282
		283	#############################################################################
		284
		285	package cf::path;
		286
		287	sub new {
		288	my ($class, $path, $base) = @_;
		289
		290	$path = $path->as_string if ref $path;
		291
		292	my $self = bless { }, $class;
		293
		294	# {... are special paths that are not touched
		295	# ?xxx/... are special absolute paths
		296	# ?random/... random maps
		297	# /! non-realised random map exit
		298	# /... normal maps
		299	# ~/... per-player maps without a specific player (DO NOT USE)
		300	# ~user/... per-player map of a specific user
		301
		302	if ($path =~ /^{/) {
		303	# fine as it is
		304	} elsif ($path =~ s{^\?random/}{}) {
		305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		306	$self->{random} = cf::from_json $data;
		307	} else {
		308	if ($path =~ s{^~([^/]+)?}{}) {
		309	$self->{user_rel} = 1;
		310
		311	if (defined $1) {
		312	$self->{user} = $1;
		313	} elsif ($base =~ m{^~([^/]+)/}) {
		314	$self->{user} = $1;
		315	} else {
		316	warn "cannot resolve user-relative path without user <$path,$base>\n";
		317	}
		318	} elsif ($path =~ /^\//) {
		319	# already absolute
		320	} else {
		321	$base =~ s{[^/]+/?$}{};
		322	return $class->new ("$base/$path");
		323	}
		324
		325	for ($path) {
		326	redo if s{/\.?/}{/};
		327	redo if s{/[^/]+/\.\./}{/};
		328	}
		329	}
		330
		331	$self->{path} = $path;
		332
		333	$self
		334	}
		335
		336	# the name / primary key / in-game path
		337	sub as_string {
		338	my ($self) = @_;
		339
		340	$self->{user_rel} ? "~$self->{user}$self->{path}"
		341	: $self->{random} ? "?random/$self->{path}"
		342	: $self->{path}
		343	}
		344
		345	# the displayed name, this is a one way mapping
		346	sub visible_name {
		347	my ($self) = @_;
		348
		349	# if (my $rmp = $self->{random}) {
		350	# # todo: be more intelligent about this
		351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		352	# } else {
		353	$self->as_string
		354	# }
		355	}
		356
		357	# escape the /'s in the path
		358	sub _escaped_path {
		359	# ∕ is U+2215
		360	(my $path = $_[0]{path}) =~ s/\//∕/g;
		361	$path
		362	}
		363
		364	# the original (read-only) location
		365	sub load_path {
		366	my ($self) = @_;
		367
		368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		369	}
		370
		371	# the temporary/swap location
		372	sub save_path {
		373	my ($self) = @_;
		374
		375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		378	}
		379
		380	# the unique path, might be eq to save_path
		381	sub uniq_path {
		382	my ($self) = @_;
		383
		384	$self->{user_rel} \|\| $self->{random}
		385	? undef
		386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		387	}
		388
		389	# return random map parameters, or undef
		390	sub random_map_params {
		391	my ($self) = @_;
		392
		393	$self->{random}
		394	}
		395
		396	# this is somewhat ugly, but style maps do need special treatment
		397	sub is_style_map {
		398	$_[0]{path} =~ m{^/styles/}
		399	}
		400
		401	package cf;
147		402
148	#############################################################################	403	#############################################################################
149		404
150	=head2 ATTACHABLE OBJECTS	405	=head2 ATTACHABLE OBJECTS
151		406
…		…
505	);	760	);
506		761
507	sub object_freezer_save {	762	sub object_freezer_save {
508	my ($filename, $rdata, $objs) = @_;	763	my ($filename, $rdata, $objs) = @_;
509		764
		765	sync_job {
510	if (length $$rdata) {	766	if (length $$rdata) {
511	warn sprintf "saving %s (%d,%d)\n",	767	warn sprintf "saving %s (%d,%d)\n",
512	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
513		769
514	if (open my $fh, ">:raw", "$filename~") {	770	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {
515	chmod SAVE_MODE, $fh;
516	syswrite $fh, $$rdata;
517	close $fh;
518
519	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
520	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
521	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		773	aio_fsync $fh;
522	close $fh;	774	close $fh;
		775
		776	if (@$objs) {
		777	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
		778	chmod SAVE_MODE, $fh;
		779	my $data = Storable::nfreeze { version => 1, objs => $objs };
		780	aio_write $fh, 0, (length $data), $data, 0;
		781	aio_fsync $fh;
		782	close $fh;
523	rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
		784	}
		785	} else {
		786	aio_unlink "$filename.pst";
		787	}
		788
		789	aio_rename "$filename~", $filename;
524	} else {	790	} else {
525	unlink "$filename.pst";	791	warn "FATAL: $filename~: $!\n";
526	}	792	}
527
528	rename "$filename~", $filename;
529	} else {	793	} else {
530	warn "FATAL: $filename~: $!\n";
531	}
532	} else {
533	unlink $filename;	794	aio_unlink $filename;
534	unlink "$filename.pst";	795	aio_unlink "$filename.pst";
		796	}
535	}	797	}
536	}	798	}
537		799
538	sub object_freezer_as_string {	800	sub object_freezer_as_string {
539	my ($rdata, $objs) = @_;	801	my ($rdata, $objs) = @_;
…		…
544	}	806	}
545		807
546	sub object_thawer_load {	808	sub object_thawer_load {
547	my ($filename) = @_;	809	my ($filename) = @_;
548		810
549	local $/;	811	my ($data, $av);
550		812
551	my $av;	813	(aio_load $filename, $data) >= 0
		814	or return;
552		815
553	#TODO: use sysread etc.	816	unless (aio_stat "$filename.pst") {
554	if (open my $data, "<:raw:perlio", $filename) {	817	(aio_load "$filename.pst", $av) >= 0
555	$data = <$data>;	818	or return;
556	if (open my $pst, "<:raw:perlio", "$filename.pst") {
557	$av = eval { (Storable::thaw <$pst>)->{objs} };	819	$av = eval { (Storable::thaw $av)->{objs} };
558	}	820	}
		821
559	return ($data, $av);	822	return ($data, $av);
560	}
561
562	()
563	}	823	}
564		824
565	#############################################################################	825	#############################################################################
566	# command handling &c	826	# command handling &c
567		827
…		…
788	$self->send ("ext " . to_json \%msg);	1048	$self->send ("ext " . to_json \%msg);
789	}	1049	}
790		1050
791	=back	1051	=back
792		1052
		1053
		1054	=head3 cf::map
		1055
		1056	=over 4
		1057
		1058	=cut
		1059
		1060	package cf::map;
		1061
		1062	use Fcntl;
		1063	use Coro::AIO;
		1064
		1065	our $MAX_RESET = 7200;
		1066	our $DEFAULT_RESET = 3600;
		1067
		1068	sub generate_random_map {
		1069	my ($path, $rmp) = @_;
		1070
		1071	# mit "rum" bekleckern, nicht
		1072	cf::map::_create_random_map
		1073	$path,
		1074	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1075	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1076	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1077	$rmp->{exit_on_final_map},
		1078	$rmp->{xsize}, $rmp->{ysize},
		1079	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1080	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1081	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1082	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1083	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1084	(cf::region::find $rmp->{region})
		1085	}
		1086
		1087	# and all this just because we cannot iterate over
		1088	# all maps in C++...
		1089	sub change_all_map_light {
		1090	my ($change) = @_;
		1091
		1092	$_->change_map_light ($change) for values %cf::MAP;
		1093	}
		1094
		1095	sub try_load_header($) {
		1096	my ($path) = @_;
		1097
		1098	utf8::encode $path;
		1099	aio_open $path, O_RDONLY, 0
		1100	or return;
		1101
		1102	my $map = cf::map::new
		1103	or return;
		1104
		1105	$map->load_header ($path)
		1106	or return;
		1107
		1108	$map->{load_path} = $path;
		1109
		1110	$map
		1111	}
		1112
		1113	sub find_map {
		1114	my ($path, $origin) = @_;
		1115
		1116	#warn "find_map<$path,$origin>\n";#d#
		1117
		1118	$path = new cf::path $path, $origin && $origin->path;
		1119	my $key = $path->as_string;
		1120
		1121	$cf::MAP{$key} \|\| do {
		1122	# do it the slow way
		1123	my $map = try_load_header $path->save_path;
		1124
		1125	if ($map) {
		1126	# safety
		1127	$map->{instantiate_time} = $cf::RUNTIME
		1128	if $map->{instantiate_time} > $cf::RUNTIME;
		1129	} else {
		1130	if (my $rmp = $path->random_map_params) {
		1131	$map = generate_random_map $key, $rmp;
		1132	} else {
		1133	$map = try_load_header $path->load_path;
		1134	}
		1135
		1136	$map or return;
		1137
		1138	$map->{load_original} = 1;
		1139	$map->{instantiate_time} = $cf::RUNTIME;
		1140	$map->instantiate;
		1141
		1142	# per-player maps become, after loading, normal maps
		1143	$map->per_player (0) if $path->{user_rel};
		1144	}
		1145
		1146	$map->path ($key);
		1147	$map->{path} = $path;
		1148	$map->last_access ($cf::RUNTIME);
		1149
		1150	if ($map->should_reset) {
		1151	$map->reset;
		1152	$map = find_map $path;
		1153	}
		1154
		1155	$cf::MAP{$key} = $map
		1156	}
		1157	}
		1158
		1159	sub load {
		1160	my ($self) = @_;
		1161
		1162	return if $self->in_memory != cf::MAP_SWAPPED;
		1163
		1164	$self->in_memory (cf::MAP_LOADING);
		1165
		1166	my $path = $self->{path};
		1167
		1168	$self->alloc;
		1169	$self->load_objects ($self->{load_path}, 1)
		1170	or return;
		1171
		1172	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1173	if delete $self->{load_original};
		1174
		1175	if (my $uniq = $path->uniq_path) {
		1176	utf8::encode $uniq;
		1177	if (aio_open $uniq, O_RDONLY, 0) {
		1178	$self->clear_unique_items;
		1179	$self->load_objects ($uniq, 0);
		1180	}
		1181	}
		1182
		1183	# now do the right thing for maps
		1184	$self->link_multipart_objects;
		1185
		1186	if ($self->{path}->is_style_map) {
		1187	$self->{deny_save} = 1;
		1188	$self->{deny_reset} = 1;
		1189	} else {
		1190	$self->fix_auto_apply;
		1191	$self->decay_objects;
		1192	$self->update_buttons;
		1193	$self->set_darkness_map;
		1194	$self->difficulty ($self->estimate_difficulty)
		1195	unless $self->difficulty;
		1196	$self->activate;
		1197	}
		1198
		1199	$self->in_memory (cf::MAP_IN_MEMORY);
		1200	}
		1201
		1202	sub load_map_sync {
		1203	my ($path, $origin) = @_;
		1204
		1205	#warn "load_map_sync<$path, $origin>\n";#d#
		1206
		1207	cf::sync_job {
		1208	my $map = cf::map::find_map $path, $origin
		1209	or return;
		1210	$map->load;
		1211	$map
		1212	}
		1213	}
		1214
		1215	sub save {
		1216	my ($self) = @_;
		1217
		1218	my $save = $self->{path}->save_path; utf8::encode $save;
		1219	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1220
		1221	$self->{last_save} = $cf::RUNTIME;
		1222
		1223	return unless $self->dirty;
		1224
		1225	$self->{load_path} = $save;
		1226
		1227	return if $self->{deny_save};
		1228
		1229	if ($uniq) {
		1230	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
		1231	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1232	} else {
		1233	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
		1234	}
		1235	}
		1236
		1237	sub swap_out {
		1238	my ($self) = @_;
		1239
		1240	return if $self->players;
		1241	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1242	return if $self->{deny_save};
		1243
		1244	$self->save;
		1245	$self->clear;
		1246	$self->in_memory (cf::MAP_SWAPPED);
		1247	}
		1248
		1249	sub reset_at {
		1250	my ($self) = @_;
		1251
		1252	# TODO: safety, remove and allow resettable per-player maps
		1253	return 1e99 if $self->{path}{user_rel};
		1254	return 1e99 if $self->{deny_reset};
		1255
		1256	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1257	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
		1258
		1259	$time + $to
		1260	}
		1261
		1262	sub should_reset {
		1263	my ($self) = @_;
		1264
		1265	$self->reset_at <= $cf::RUNTIME
		1266	}
		1267
		1268	sub unlink_save {
		1269	my ($self) = @_;
		1270
		1271	utf8::encode (my $save = $self->{path}->save_path);
		1272	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1273	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1274	}
		1275
		1276	sub rename {
		1277	my ($self, $new_path) = @_;
		1278
		1279	$self->unlink_save;
		1280
		1281	delete $cf::MAP{$self->path};
		1282	$self->{path} = new cf::path $new_path;
		1283	$self->path ($self->{path}->as_string);
		1284	$cf::MAP{$self->path} = $self;
		1285
		1286	$self->save;
		1287	}
		1288
		1289	sub reset {
		1290	my ($self) = @_;
		1291
		1292	return if $self->players;
		1293	return if $self->{path}{user_rel};#d#
		1294
		1295	warn "resetting map ", $self->path;#d#
		1296
		1297	delete $cf::MAP{$self->path};
		1298
		1299	$_->clear_links_to ($self) for values %cf::MAP;
		1300
		1301	$self->unlink_save;
		1302	$self->destroy;
		1303	}
		1304
		1305	my $nuke_counter = "aaaa";
		1306
		1307	sub nuke {
		1308	my ($self) = @_;
		1309
		1310	$self->{deny_save} = 1;
		1311	$self->reset_timeout (1);
		1312	$self->rename ("{nuke}/" . ($nuke_counter++));
		1313	$self->reset; # polite request, might not happen
		1314	}
		1315
		1316	sub customise_for {
		1317	my ($map, $ob) = @_;
		1318
		1319	if ($map->per_player) {
		1320	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};
		1321	}
		1322
		1323	$map
		1324	}
		1325
		1326	sub emergency_save {
		1327	local $cf::FREEZE = 1;
		1328
		1329	warn "enter emergency map save\n";
		1330
		1331	cf::sync_job {
		1332	warn "begin emergency map save\n";
		1333	$_->save for values %cf::MAP;
		1334	};
		1335
		1336	warn "end emergency map save\n";
		1337	}
		1338
		1339	package cf;
		1340
		1341	=back
		1342
		1343
793	=head3 cf::object::player	1344	=head3 cf::object::player
794		1345
795	=over 4	1346	=over 4
796		1347
797	=item $player_object->reply ($npc, $msg[, $flags])	1348	=item $player_object->reply ($npc, $msg[, $flags])
…		…
830		1381
831	$self->flag (cf::FLAG_WIZ) \|\|	1382	$self->flag (cf::FLAG_WIZ) \|\|
832	(ref $cf::CFG{"may_$access"}	1383	(ref $cf::CFG{"may_$access"}
833	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1384	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
834	: $cf::CFG{"may_$access"})	1385	: $cf::CFG{"may_$access"})
		1386	}
		1387
		1388	sub cf::object::player::enter_link {
		1389	my ($self) = @_;
		1390
		1391	return if $self->map == $LINK_MAP;
		1392
		1393	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]
		1394	if $self->map;
		1395
		1396	$self->enter_map ($LINK_MAP, 20, 20);
		1397	$self->deactivate_recursive;
		1398	}
		1399
		1400	sub cf::object::player::leave_link {
		1401	my ($self, $map, $x, $y) = @_;
		1402
		1403	my $link_pos = delete $self->{_link_pos};
		1404
		1405	unless ($map) {
		1406	$self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		1407
		1408	# restore original map position
		1409	($map, $x, $y) = @{ $link_pos \|\| [] };
		1410	$map = cf::map::find_map $map;
		1411
		1412	unless ($map) {
		1413	($map, $x, $y) = @$EMERGENCY_POSITION;
		1414	$map = cf::map::find_map $map
		1415	or die "FATAL: cannot load emergency map\n";
		1416	}
		1417	}
		1418
		1419	($x, $y) = (-1, -1)
		1420	unless (defined $x) && (defined $y);
		1421
		1422	# use -1 or undef as default coordinates, not 0, 0
		1423	($x, $y) = ($map->enter_x, $map->enter_y)
		1424	if $x <=0 && $y <= 0;
		1425
		1426	$map->load;
		1427
		1428	$self->activate_recursive;
		1429	$self->enter_map ($map, $x, $y);
		1430	}
		1431
		1432	=item $player_object->goto_map ($map, $x, $y)
		1433
		1434	=cut
		1435
		1436	sub cf::object::player::goto_map {
		1437	my ($self, $path, $x, $y) = @_;
		1438
		1439	$self->enter_link;
		1440
		1441	(Coro::async {
		1442	$path = new cf::path $path;
		1443
		1444	my $map = cf::map::find_map $path->as_string;
		1445	$map = $map->customise_for ($self) if $map;
		1446
		1447	warn "entering ", $map->path, " at ($x, $y)\n"
		1448	if $map;
		1449
		1450	$self->leave_link ($map, $x, $y);
		1451	})->prio (1);
		1452	}
		1453
		1454	=item $player_object->enter_exit ($exit_object)
		1455
		1456	=cut
		1457
		1458	sub parse_random_map_params {
		1459	my ($spec) = @_;
		1460
		1461	my $rmp = { # defaults
		1462	xsize => 10,
		1463	ysize => 10,
		1464	};
		1465
		1466	for (split /\n/, $spec) {
		1467	my ($k, $v) = split /\s+/, $_, 2;
		1468
		1469	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1470	}
		1471
		1472	$rmp
		1473	}
		1474
		1475	sub prepare_random_map {
		1476	my ($exit) = @_;
		1477
		1478	# all this does is basically replace the /! path by
		1479	# a new random map path (?random/...) with a seed
		1480	# that depends on the exit object
		1481
		1482	my $rmp = parse_random_map_params $exit->msg;
		1483
		1484	if ($exit->map) {
		1485	$rmp->{region} = $exit->map->region_name;
		1486	$rmp->{origin_map} = $exit->map->path;
		1487	$rmp->{origin_x} = $exit->x;
		1488	$rmp->{origin_y} = $exit->y;
		1489	}
		1490
		1491	$rmp->{random_seed} \|\|= $exit->random_seed;
		1492
		1493	my $data = cf::to_json $rmp;
		1494	my $md5 = Digest::MD5::md5_hex $data;
		1495
		1496	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {
		1497	aio_write $fh, 0, (length $data), $data, 0;
		1498
		1499	$exit->slaying ("?random/$md5");
		1500	$exit->msg (undef);
		1501	}
		1502	}
		1503
		1504	sub cf::object::player::enter_exit {
		1505	my ($self, $exit) = @_;
		1506
		1507	return unless $self->type == cf::PLAYER;
		1508
		1509	$self->enter_link;
		1510
		1511	(Coro::async {
		1512	unless (eval {
		1513
		1514	prepare_random_map $exit
		1515	if $exit->slaying eq "/!";
		1516
		1517	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1518	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
		1519
		1520	1;
		1521	}) {
		1522	$self->message ("Something went wrong deep within the crossfire server. "
		1523	. "I'll try to bring you back to the map you were before. "
		1524	. "Please report this to the dungeon master",
		1525	cf::NDI_UNIQUE \| cf::NDI_RED);
		1526
		1527	warn "ERROR in enter_exit: $@";
		1528	$self->leave_link;
		1529	}
		1530	})->prio (1);
835	}	1531	}
836		1532
837	=head3 cf::client	1533	=head3 cf::client
838		1534
839	=over 4	1535	=over 4
…		…
916	my $coro; $coro = async {	1612	my $coro; $coro = async {
917	eval {	1613	eval {
918	$cb->();	1614	$cb->();
919	};	1615	};
920	warn $@ if $@;	1616	warn $@ if $@;
		1617	};
		1618
		1619	$coro->on_destroy (sub {
921	delete $self->{_coro}{$coro+0};	1620	delete $self->{_coro}{$coro+0};
922	};	1621	});
923		1622
924	$self->{_coro}{$coro+0} = $coro;	1623	$self->{_coro}{$coro+0} = $coro;
		1624
		1625	$coro
925	}	1626	}
926		1627
927	cf::client->attach (	1628	cf::client->attach (
928	on_destroy => sub {	1629	on_destroy => sub {
929	my ($ns) = @_;	1630	my ($ns) = @_;
…		…
1161	local $/;	1862	local $/;
1162	*CFG = YAML::Syck::Load <$fh>;	1863	*CFG = YAML::Syck::Load <$fh>;
1163	}	1864	}
1164		1865
1165	sub main {	1866	sub main {
		1867	# we must not ever block the main coroutine
		1868	local $Coro::idle = sub {
		1869	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#
		1870	(Coro::unblock_sub {
		1871	Event::one_event;
		1872	})->();
		1873	};
		1874
1166	cfg_load;	1875	cfg_load;
1167	db_load;	1876	db_load;
1168	load_extensions;	1877	load_extensions;
1169	Event::loop;	1878	Event::loop;
1170	}	1879	}
1171		1880
1172	#############################################################################	1881	#############################################################################
1173	# initialisation	1882	# initialisation
1174		1883
1175	sub _perl_reload(&) {	1884	sub reload() {
1176	my ($msg) = @_;	1885	# can/must only be called in main
		1886	if ($Coro::current != $Coro::main) {
		1887	warn "can only reload from main coroutine\n";
		1888	return;
		1889	}
1177		1890
1178	$msg->("reloading...");	1891	warn "reloading...";
		1892
		1893	local $FREEZE = 1;
		1894	cf::emergency_save;
1179		1895
1180	eval {	1896	eval {
		1897	# if anything goes wrong in here, we should simply crash as we already saved
		1898
1181	# cancel all watchers	1899	# cancel all watchers
1182	for (Event::all_watchers) {	1900	for (Event::all_watchers) {
1183	$_->cancel if $_->data & WF_AUTOCANCEL;	1901	$_->cancel if $_->data & WF_AUTOCANCEL;
1184	}	1902	}
1185		1903
		1904	# cancel all extension coros
		1905	$_->cancel for values %EXT_CORO;
		1906	%EXT_CORO = ();
		1907
1186	# unload all extensions	1908	# unload all extensions
1187	for (@exts) {	1909	for (@exts) {
1188	$msg->("unloading <$_>");	1910	warn "unloading <$_>";
1189	unload_extension $_;	1911	unload_extension $_;
1190	}	1912	}
1191		1913
1192	# unload all modules loaded from $LIBDIR	1914	# unload all modules loaded from $LIBDIR
1193	while (my ($k, $v) = each %INC) {	1915	while (my ($k, $v) = each %INC) {
1194	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	1916	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1195		1917
1196	$msg->("removing <$k>");	1918	warn "removing <$k>";
1197	delete $INC{$k};	1919	delete $INC{$k};
1198		1920
1199	$k =~ s/\.pm$//;	1921	$k =~ s/\.pm$//;
1200	$k =~ s/\//::/g;	1922	$k =~ s/\//::/g;
1201		1923
…		…
1206	Symbol::delete_package $k;	1928	Symbol::delete_package $k;
1207	}	1929	}
1208		1930
1209	# sync database to disk	1931	# sync database to disk
1210	cf::db_sync;	1932	cf::db_sync;
		1933	IO::AIO::flush;
1211		1934
1212	# get rid of safe::, as good as possible	1935	# get rid of safe::, as good as possible
1213	Symbol::delete_package "safe::$_"	1936	Symbol::delete_package "safe::$_"
1214	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	1937	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1215		1938
1216	# remove register_script_function callbacks	1939	# remove register_script_function callbacks
1217	# TODO	1940	# TODO
1218		1941
1219	# unload cf.pm "a bit"	1942	# unload cf.pm "a bit"
…		…
1222	# don't, removes xs symbols, too,	1945	# don't, removes xs symbols, too,
1223	# and global variables created in xs	1946	# and global variables created in xs
1224	#Symbol::delete_package __PACKAGE__;	1947	#Symbol::delete_package __PACKAGE__;
1225		1948
1226	# reload cf.pm	1949	# reload cf.pm
1227	$msg->("reloading cf.pm");	1950	warn "reloading cf.pm";
1228	require cf;	1951	require cf;
1229	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	1952	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1230		1953
1231	# load config and database again	1954	# load config and database again
1232	cf::cfg_load;	1955	cf::cfg_load;
1233	cf::db_load;	1956	cf::db_load;
1234		1957
1235	# load extensions	1958	# load extensions
1236	$msg->("load extensions");	1959	warn "load extensions";
1237	cf::load_extensions;	1960	cf::load_extensions;
1238		1961
1239	# reattach attachments to objects	1962	# reattach attachments to objects
1240	$msg->("reattach");	1963	warn "reattach";
1241	_global_reattach;	1964	_global_reattach;
1242	};	1965	};
1243	$msg->($@) if $@;
1244		1966
1245	$msg->("reloaded");	1967	if ($@) {
		1968	warn $@;
		1969	warn "error while reloading, exiting.";
		1970	exit 1;
		1971	}
		1972
		1973	warn "reloaded successfully";
1246	};	1974	};
1247		1975
1248	sub perl_reload() {	1976	#############################################################################
1249	_perl_reload {	1977
1250	warn $_[0];	1978	unless ($LINK_MAP) {
1251	print "$_[0]\n";	1979	$LINK_MAP = cf::map::new;
1252	};	1980
		1981	$LINK_MAP->width (41);
		1982	$LINK_MAP->height (41);
		1983	$LINK_MAP->alloc;
		1984	$LINK_MAP->path ("{link}");
		1985	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		1986	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		1987
		1988	# dirty hack because... archetypes are not yet loaded
		1989	Event->timer (
		1990	after => 2,
		1991	cb => sub {
		1992	$_[0]->w->cancel;
		1993
		1994	# provide some exits "home"
		1995	my $exit = cf::object::new "exit";
		1996
		1997	$exit->slaying ($EMERGENCY_POSITION->[0]);
		1998	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		1999	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2000
		2001	$LINK_MAP->insert ($exit->clone, 19, 19);
		2002	$LINK_MAP->insert ($exit->clone, 19, 20);
		2003	$LINK_MAP->insert ($exit->clone, 19, 21);
		2004	$LINK_MAP->insert ($exit->clone, 20, 19);
		2005	$LINK_MAP->insert ($exit->clone, 20, 21);
		2006	$LINK_MAP->insert ($exit->clone, 21, 19);
		2007	$LINK_MAP->insert ($exit->clone, 21, 20);
		2008	$LINK_MAP->insert ($exit->clone, 21, 21);
		2009
		2010	$exit->destroy;
		2011	});
		2012
		2013	$LINK_MAP->{deny_save} = 1;
		2014	$LINK_MAP->{deny_reset} = 1;
		2015
		2016	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1253	}	2017	}
1254		2018
1255	register "<global>", __PACKAGE__;	2019	register "<global>", __PACKAGE__;
1256		2020
1257	register_command "perl-reload" => sub {	2021	register_command "reload" => sub {
1258	my ($who, $arg) = @_;	2022	my ($who, $arg) = @_;
1259		2023
1260	if ($who->flag (FLAG_WIZ)) {	2024	if ($who->flag (FLAG_WIZ)) {
1261	_perl_reload {	2025	$who->message ("start of reload.");
1262	warn $_[0];	2026	reload;
1263	$who->message ($_[0]);	2027	$who->message ("end of reload.");
1264	};
1265	}	2028	}
1266	};	2029	};
1267		2030
1268	unshift @INC, $LIBDIR;	2031	unshift @INC, $LIBDIR;
1269		2032
1270	$TICK_WATCHER = Event->timer (	2033	$TICK_WATCHER = Event->timer (
		2034	reentrant => 0,
1271	prio => 0,	2035	prio => 0,
1272	at => $NEXT_TICK \|\| 1,	2036	at => $NEXT_TICK \|\| $TICK,
1273	data => WF_AUTOCANCEL,	2037	data => WF_AUTOCANCEL,
1274	cb => sub {	2038	cb => sub {
		2039	unless ($FREEZE) {
1275	cf::server_tick; # one server iteration	2040	cf::server_tick; # one server iteration
		2041	$RUNTIME += $TICK;
		2042	}
1276		2043
1277	my $NOW = Event::time;
1278	$NEXT_TICK += $TICK;	2044	$NEXT_TICK += $TICK;
1279		2045
1280	# if we are delayed by four ticks or more, skip them all	2046	# if we are delayed by four ticks or more, skip them all
1281	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	2047	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1282		2048
1283	$TICK_WATCHER->at ($NEXT_TICK);	2049	$TICK_WATCHER->at ($NEXT_TICK);
1284	$TICK_WATCHER->start;	2050	$TICK_WATCHER->start;
1285	},	2051	},
1286	);	2052	);
1287		2053
1288	IO::AIO::max_poll_time $TICK * 0.2;	2054	IO::AIO::max_poll_time $TICK * 0.2;
1289		2055
		2056	Event->io (
1290	Event->io (fd => IO::AIO::poll_fileno,	2057	fd => IO::AIO::poll_fileno,
1291	poll => 'r',	2058	poll => 'r',
1292	prio => 5,	2059	prio => 5,
1293	data => WF_AUTOCANCEL,	2060	data => WF_AUTOCANCEL,
1294	cb => \&IO::AIO::poll_cb);	2061	cb => \&IO::AIO::poll_cb,
		2062	);
		2063
		2064	Event->timer (
		2065	data => WF_AUTOCANCEL,
		2066	after => 0,
		2067	interval => 10,
		2068	cb => sub {
		2069	(Coro::unblock_sub {
		2070	write_runtime
		2071	or warn "ERROR: unable to write runtime file: $!";
		2072	})->();
		2073	},
		2074	);
1295		2075
1296	1	2076	1
1297		2077

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.102 by root, Wed Dec 27 15:20:54 2006 UTC vs. Revision 1.114 by root, Mon Jan 1 16:00:10 2007 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.102 by root, Wed Dec 27 15:20:54 2006 UTC vs.
Revision 1.114 by root, Mon Jan 1 16:00:10 2007 UTC