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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.104 by root, Sat Dec 30 16:56:16 2006 UTC vs.
Revision 1.120 by root, Tue Jan 2 11:08:36 2007 UTC

…		…
13	use Coro 3.3;	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
…		…
47	our $RUNTIME;	50	our $RUNTIME;
48		51
49	our %MAP; # all maps	52	our %MAP; # all maps
50	our $LINK_MAP; # the special {link} map	53	our $LINK_MAP; # the special {link} map
51	our $FREEZE;	54	our $FREEZE;
		55	our $RANDOM_MAPS = cf::localdir . "/random";
		56	our %EXT_CORO;
52		57
53	binmode STDOUT;	58	binmode STDOUT;
54	binmode STDERR;	59	binmode STDERR;
55		60
56	# read virtual server time, if available	61	# read virtual server time, if available
…		…
62		67
63	mkdir cf::localdir;	68	mkdir cf::localdir;
64	mkdir cf::localdir . "/" . cf::playerdir;	69	mkdir cf::localdir . "/" . cf::playerdir;
65	mkdir cf::localdir . "/" . cf::tmpdir;	70	mkdir cf::localdir . "/" . cf::tmpdir;
66	mkdir cf::localdir . "/" . cf::uniquedir;	71	mkdir cf::localdir . "/" . cf::uniquedir;
		72	mkdir $RANDOM_MAPS;
67		73
68	our %EXT_CORO;	74	# a special map that is always available
		75	our $LINK_MAP;
		76
		77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
69		78
70	#############################################################################	79	#############################################################################
71		80
72	=head2 GLOBAL VARIABLES	81	=head2 GLOBAL VARIABLES
73		82
…		…
172	sub to_json($) {	181	sub to_json($) {
173	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
174	JSON::Syck::Dump $_[0]	183	JSON::Syck::Dump $_[0]
175	}	184	}
176		185
		186	=item my $guard = cf::guard { BLOCK }
		187
		188	Run the given callback when the guard object gets destroyed (useful for
		189	coroutine cancellations).
		190
		191	You can call C<< ->cancel >> on the guard object to stop the block from
		192	being executed.
		193
		194	=cut
		195
		196	sub guard(&) {
		197	bless \(my $cb = $_[0]), cf::guard::;
		198	}
		199
		200	sub cf::guard::cancel {
		201	${$_[0]} = sub { };
		202	}
		203
		204	sub cf::guard::DESTROY {
		205	${$_[0]}->();
		206	}
		207
		208	=item cf::lock_wait $string
		209
		210	Wait until the given lock is available. See cf::lock_acquire.
		211
		212	=item my $lock = cf::lock_acquire $string
		213
		214	Wait until the given lock is available and then acquires it and returns
		215	a guard object. If the guard object gets destroyed (goes out of scope,
		216	for example when the coroutine gets canceled), the lock is automatically
		217	returned.
		218
		219	Lock names should begin with a unique identifier (for example, find_map
		220	uses map_find and load_map uses map_load).
		221
		222	=cut
		223
		224	our %LOCK;
		225
		226	sub lock_wait($) {
		227	my ($key) = @_;
		228
		229	# wait for lock, if any
		230	while ($LOCK{$key}) {
		231	push @{ $LOCK{$key} }, $Coro::current;
		232	Coro::schedule;
		233	}
		234	}
		235
		236	sub lock_acquire($) {
		237	my ($key) = @_;
		238
		239	# wait, to be sure we are not locked
		240	lock_wait $key;
		241
		242	$LOCK{$key} = [];
		243
		244	cf::guard {
		245	# wake up all waiters, to be on the safe side
		246	$_->ready for @{ delete $LOCK{$key} };
		247	}
		248	}
		249
		250	=item cf::sync_job { BLOCK }
		251
		252	The design of crossfire+ requires that the main coro ($Coro::main) is
		253	always able to handle events or runnable, as crossfire+ is only partly
		254	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		255
		256	If it must be done, put the blocking parts into C<sync_job>. This will run
		257	the given BLOCK in another coroutine while waiting for the result. The
		258	server will be frozen during this time, so the block should either finish
		259	fast or be very important.
		260
		261	=cut
		262
		263	sub sync_job(&) {
		264	my ($job) = @_;
		265
		266	if ($Coro::current == $Coro::main) {
		267	# this is the main coro, too bad, we have to block
		268	# till the operation succeeds, freezing the server :/
		269
		270	# TODO: use suspend/resume instead
		271	# (but this is cancel-safe)
		272	local $FREEZE = 1;
		273
		274	my $busy = 1;
		275	my @res;
		276
		277	(Coro::async {
		278	@res = eval { $job->() };
		279	warn $@ if $@;
		280	undef $busy;
		281	})->prio (Coro::PRIO_MAX);
		282
		283	while ($busy) {
		284	Coro::cede_notself;
		285	Event::one_event unless Coro::nready;
		286	}
		287
		288	wantarray ? @res : $res[0]
		289	} else {
		290	# we are in another coroutine, how wonderful, everything just works
		291
		292	$job->()
		293	}
		294	}
		295
177	=item $coro = cf::coro { BLOCK }	296	=item $coro = cf::coro { BLOCK }
178		297
179	Creates and returns a new coro. This coro is automcatially being canceled	298	Creates and returns a new coro. This coro is automcatially being canceled
180	when the extension calling this is being unloaded.	299	when the extension calling this is being unloaded.
181		300
…		…
197	$EXT_CORO{$coro+0} = $coro;	316	$EXT_CORO{$coro+0} = $coro;
198		317
199	$coro	318	$coro
200	}	319	}
201		320
		321	sub write_runtime {
		322	my $runtime = cf::localdir . "/runtime";
		323
		324	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		325	or return;
		326
		327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
		328	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		329	and return;
		330
		331	aio_fsync $fh
		332	and return;
		333
		334	close $fh
		335	or return;
		336
		337	aio_rename "$runtime~", $runtime
		338	and return;
		339
		340	1
		341	}
		342
202	=back	343	=back
203		344
204	=cut	345	=cut
		346
		347	#############################################################################
		348
		349	package cf::path;
		350
		351	sub new {
		352	my ($class, $path, $base) = @_;
		353
		354	$path = $path->as_string if ref $path;
		355
		356	my $self = bless { }, $class;
		357
		358	# {... are special paths that are not touched
		359	# ?xxx/... are special absolute paths
		360	# ?random/... random maps
		361	# /! non-realised random map exit
		362	# /... normal maps
		363	# ~/... per-player maps without a specific player (DO NOT USE)
		364	# ~user/... per-player map of a specific user
		365
		366	if ($path =~ /^{/) {
		367	# fine as it is
		368	} elsif ($path =~ s{^\?random/}{}) {
		369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		370	$self->{random} = cf::from_json $data;
		371	} else {
		372	if ($path =~ s{^~([^/]+)?}{}) {
		373	$self->{user_rel} = 1;
		374
		375	if (defined $1) {
		376	$self->{user} = $1;
		377	} elsif ($base =~ m{^~([^/]+)/}) {
		378	$self->{user} = $1;
		379	} else {
		380	warn "cannot resolve user-relative path without user <$path,$base>\n";
		381	}
		382	} elsif ($path =~ /^\//) {
		383	# already absolute
		384	} else {
		385	$base =~ s{[^/]+/?$}{};
		386	return $class->new ("$base/$path");
		387	}
		388
		389	for ($path) {
		390	redo if s{/\.?/}{/};
		391	redo if s{/[^/]+/\.\./}{/};
		392	}
		393	}
		394
		395	$self->{path} = $path;
		396
		397	$self
		398	}
		399
		400	# the name / primary key / in-game path
		401	sub as_string {
		402	my ($self) = @_;
		403
		404	$self->{user_rel} ? "~$self->{user}$self->{path}"
		405	: $self->{random} ? "?random/$self->{path}"
		406	: $self->{path}
		407	}
		408
		409	# the displayed name, this is a one way mapping
		410	sub visible_name {
		411	my ($self) = @_;
		412
		413	# if (my $rmp = $self->{random}) {
		414	# # todo: be more intelligent about this
		415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		416	# } else {
		417	$self->as_string
		418	# }
		419	}
		420
		421	# escape the /'s in the path
		422	sub _escaped_path {
		423	# ∕ is U+2215
		424	(my $path = $_[0]{path}) =~ s/\//∕/g;
		425	$path
		426	}
		427
		428	# the original (read-only) location
		429	sub load_path {
		430	my ($self) = @_;
		431
		432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		433	}
		434
		435	# the temporary/swap location
		436	sub save_path {
		437	my ($self) = @_;
		438
		439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		442	}
		443
		444	# the unique path, might be eq to save_path
		445	sub uniq_path {
		446	my ($self) = @_;
		447
		448	$self->{user_rel} \|\| $self->{random}
		449	? undef
		450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		451	}
		452
		453	# return random map parameters, or undef
		454	sub random_map_params {
		455	my ($self) = @_;
		456
		457	$self->{random}
		458	}
		459
		460	# this is somewhat ugly, but style maps do need special treatment
		461	sub is_style_map {
		462	$_[0]{path} =~ m{^/styles/}
		463	}
		464
		465	package cf;
205		466
206	#############################################################################	467	#############################################################################
207		468
208	=head2 ATTACHABLE OBJECTS	469	=head2 ATTACHABLE OBJECTS
209		470
…		…
563	);	824	);
564		825
565	sub object_freezer_save {	826	sub object_freezer_save {
566	my ($filename, $rdata, $objs) = @_;	827	my ($filename, $rdata, $objs) = @_;
567		828
		829	sync_job {
568	if (length $$rdata) {	830	if (length $$rdata) {
569	warn sprintf "saving %s (%d,%d)\n",	831	warn sprintf "saving %s (%d,%d)\n",
570	$filename, length $$rdata, scalar @$objs;	832	$filename, length $$rdata, scalar @$objs;
571		833
572	if (open my $fh, ">:raw", "$filename~") {	834	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {
573	chmod SAVE_MODE, $fh;
574	syswrite $fh, $$rdata;
575	close $fh;
576
577	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
578	chmod SAVE_MODE, $fh;	835	chmod SAVE_MODE, $fh;
579	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };	836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		837	aio_fsync $fh;
580	close $fh;	838	close $fh;
		839
		840	if (@$objs) {
		841	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
		842	chmod SAVE_MODE, $fh;
		843	my $data = Storable::nfreeze { version => 1, objs => $objs };
		844	aio_write $fh, 0, (length $data), $data, 0;
		845	aio_fsync $fh;
		846	close $fh;
581	rename "$filename.pst~", "$filename.pst";	847	aio_rename "$filename.pst~", "$filename.pst";
		848	}
		849	} else {
		850	aio_unlink "$filename.pst";
		851	}
		852
		853	aio_rename "$filename~", $filename;
582	} else {	854	} else {
583	unlink "$filename.pst";	855	warn "FATAL: $filename~: $!\n";
584	}	856	}
585
586	rename "$filename~", $filename;
587	} else {	857	} else {
588	warn "FATAL: $filename~: $!\n";
589	}
590	} else {
591	unlink $filename;	858	aio_unlink $filename;
592	unlink "$filename.pst";	859	aio_unlink "$filename.pst";
		860	}
593	}	861	}
594	}	862	}
595		863
596	sub object_freezer_as_string {	864	sub object_freezer_as_string {
597	my ($rdata, $objs) = @_;	865	my ($rdata, $objs) = @_;
…		…
602	}	870	}
603		871
604	sub object_thawer_load {	872	sub object_thawer_load {
605	my ($filename) = @_;	873	my ($filename) = @_;
606		874
607	local $/;	875	my ($data, $av);
608		876
609	my $av;	877	(aio_load $filename, $data) >= 0
		878	or return;
610		879
611	#TODO: use sysread etc.	880	unless (aio_stat "$filename.pst") {
612	if (open my $data, "<:raw:perlio", $filename) {	881	(aio_load "$filename.pst", $av) >= 0
613	$data = <$data>;	882	or return;
614	if (open my $pst, "<:raw:perlio", "$filename.pst") {
615	$av = eval { (Storable::thaw <$pst>)->{objs} };	883	$av = eval { (Storable::thaw $av)->{objs} };
616	}	884	}
		885
		886	warn sprintf "loading %s (%d)\n",
		887	$filename, length $data, scalar @{$av \|\| []};#d#
617	return ($data, $av);	888	return ($data, $av);
618	}
619
620	()
621	}	889	}
622		890
623	#############################################################################	891	#############################################################################
624	# command handling &c	892	# command handling &c
625		893
…		…
846	$self->send ("ext " . to_json \%msg);	1114	$self->send ("ext " . to_json \%msg);
847	}	1115	}
848		1116
849	=back	1117	=back
850		1118
		1119
		1120	=head3 cf::map
		1121
		1122	=over 4
		1123
		1124	=cut
		1125
		1126	package cf::map;
		1127
		1128	use Fcntl;
		1129	use Coro::AIO;
		1130
		1131	our $MAX_RESET = 7200;
		1132	our $DEFAULT_RESET = 3600;
		1133
		1134	sub generate_random_map {
		1135	my ($path, $rmp) = @_;
		1136
		1137	# mit "rum" bekleckern, nicht
		1138	cf::map::_create_random_map
		1139	$path,
		1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1143	$rmp->{exit_on_final_map},
		1144	$rmp->{xsize}, $rmp->{ysize},
		1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1150	(cf::region::find $rmp->{region})
		1151	}
		1152
		1153	# and all this just because we cannot iterate over
		1154	# all maps in C++...
		1155	sub change_all_map_light {
		1156	my ($change) = @_;
		1157
		1158	$_->change_map_light ($change) for values %cf::MAP;
		1159	}
		1160
		1161	sub try_load_header($) {
		1162	my ($path) = @_;
		1163
		1164	utf8::encode $path;
		1165	aio_open $path, O_RDONLY, 0
		1166	or return;
		1167
		1168	my $map = cf::map::new
		1169	or return;
		1170
		1171	$map->load_header ($path)
		1172	or return;
		1173
		1174	$map->{load_path} = $path;
		1175
		1176	$map
		1177	}
		1178
		1179	sub find_map {
		1180	my ($path, $origin) = @_;
		1181
		1182	#warn "find_map<$path,$origin>\n";#d#
		1183
		1184	$path = new cf::path $path, $origin && $origin->path;
		1185	my $key = $path->as_string;
		1186
		1187	cf::lock_wait "map_find:$key";
		1188
		1189	$cf::MAP{$key} \|\| do {
		1190	my $guard = cf::lock_acquire "map_find:$key";
		1191
		1192	# do it the slow way
		1193	my $map = try_load_header $path->save_path;
		1194
		1195	if ($map) {
		1196	# safety
		1197	$map->{instantiate_time} = $cf::RUNTIME
		1198	if $map->{instantiate_time} > $cf::RUNTIME;
		1199	} else {
		1200	if (my $rmp = $path->random_map_params) {
		1201	$map = generate_random_map $key, $rmp;
		1202	} else {
		1203	$map = try_load_header $path->load_path;
		1204	}
		1205
		1206	$map or return;
		1207
		1208	$map->{load_original} = 1;
		1209	$map->{instantiate_time} = $cf::RUNTIME;
		1210	$map->instantiate;
		1211
		1212	# per-player maps become, after loading, normal maps
		1213	$map->per_player (0) if $path->{user_rel};
		1214	}
		1215	#Coro::Timer::sleep 1;#d#
		1216
		1217	$map->path ($key);
		1218	$map->{path} = $path;
		1219	$map->{last_save} = $cf::RUNTIME;
		1220	$map->last_access ($cf::RUNTIME);
		1221
		1222	if ($map->should_reset) {
		1223	$map->reset;
		1224	$map = find_map $path;
		1225	}
		1226
		1227	$cf::MAP{$key} = $map
		1228	}
		1229	}
		1230
		1231	sub load {
		1232	my ($self) = @_;
		1233
		1234	my $path = $self->{path};
		1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1236
		1237	return if $self->in_memory != cf::MAP_SWAPPED;
		1238
		1239	$self->in_memory (cf::MAP_LOADING);
		1240
		1241	$self->alloc;
		1242	$self->load_objects ($self->{load_path}, 1)
		1243	or return;
		1244
		1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1246	if delete $self->{load_original};
		1247
		1248	if (my $uniq = $path->uniq_path) {
		1249	utf8::encode $uniq;
		1250	if (aio_open $uniq, O_RDONLY, 0) {
		1251	$self->clear_unique_items;
		1252	$self->load_objects ($uniq, 0);
		1253	}
		1254	}
		1255
		1256	# now do the right thing for maps
		1257	$self->link_multipart_objects;
		1258
		1259	if ($self->{path}->is_style_map) {
		1260	$self->{deny_save} = 1;
		1261	$self->{deny_reset} = 1;
		1262	} else {
		1263	$self->fix_auto_apply;
		1264	$self->decay_objects;
		1265	$self->update_buttons;
		1266	$self->set_darkness_map;
		1267	$self->difficulty ($self->estimate_difficulty)
		1268	unless $self->difficulty;
		1269	$self->activate;
		1270	}
		1271
		1272	$self->in_memory (cf::MAP_IN_MEMORY);
		1273	}
		1274
		1275	sub load_map_sync {
		1276	my ($path, $origin) = @_;
		1277
		1278	#warn "load_map_sync<$path, $origin>\n";#d#
		1279
		1280	cf::sync_job {
		1281	my $map = cf::map::find_map $path, $origin
		1282	or return;
		1283	$map->load;
		1284	$map
		1285	}
		1286	}
		1287
		1288	sub save {
		1289	my ($self) = @_;
		1290
		1291	$self->{last_save} = $cf::RUNTIME;
		1292
		1293	return unless $self->dirty;
		1294
		1295	my $save = $self->{path}->save_path; utf8::encode $save;
		1296	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
		1297
		1298	$self->{load_path} = $save;
		1299
		1300	return if $self->{deny_save};
		1301
		1302	if ($uniq) {
		1303	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
		1304	$self->save_objects ($uniq, cf::IO_UNIQUES);
		1305	} else {
		1306	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
		1307	}
		1308	}
		1309
		1310	sub swap_out {
		1311	my ($self) = @_;
		1312
		1313	return if $self->players;
		1314	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1315	return if $self->{deny_save};
		1316
		1317	$self->save;
		1318	$self->clear;
		1319	$self->in_memory (cf::MAP_SWAPPED);
		1320	}
		1321
		1322	sub reset_at {
		1323	my ($self) = @_;
		1324
		1325	# TODO: safety, remove and allow resettable per-player maps
		1326	return 1e99 if $self->{path}{user_rel};
		1327	return 1e99 if $self->{deny_reset};
		1328
		1329	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1330	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
		1331
		1332	$time + $to
		1333	}
		1334
		1335	sub should_reset {
		1336	my ($self) = @_;
		1337
		1338	$self->reset_at <= $cf::RUNTIME
		1339	}
		1340
		1341	sub unlink_save {
		1342	my ($self) = @_;
		1343
		1344	utf8::encode (my $save = $self->{path}->save_path);
		1345	aioreq_pri 3; IO::AIO::aio_unlink $save;
		1346	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
		1347	}
		1348
		1349	sub rename {
		1350	my ($self, $new_path) = @_;
		1351
		1352	$self->unlink_save;
		1353
		1354	delete $cf::MAP{$self->path};
		1355	$self->{path} = new cf::path $new_path;
		1356	$self->path ($self->{path}->as_string);
		1357	$cf::MAP{$self->path} = $self;
		1358
		1359	$self->save;
		1360	}
		1361
		1362	sub reset {
		1363	my ($self) = @_;
		1364
		1365	return if $self->players;
		1366	return if $self->{path}{user_rel};#d#
		1367
		1368	warn "resetting map ", $self->path;#d#
		1369
		1370	delete $cf::MAP{$self->path};
		1371
		1372	$_->clear_links_to ($self) for values %cf::MAP;
		1373
		1374	$self->unlink_save;
		1375	$self->destroy;
		1376	}
		1377
		1378	my $nuke_counter = "aaaa";
		1379
		1380	sub nuke {
		1381	my ($self) = @_;
		1382
		1383	$self->{deny_save} = 1;
		1384	$self->reset_timeout (1);
		1385	$self->rename ("{nuke}/" . ($nuke_counter++));
		1386	$self->reset; # polite request, might not happen
		1387	}
		1388
		1389	sub customise_for {
		1390	my ($map, $ob) = @_;
		1391
		1392	if ($map->per_player) {
		1393	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};
		1394	}
		1395
		1396	$map
		1397	}
		1398
		1399	sub emergency_save {
		1400	local $cf::FREEZE = 1;
		1401
		1402	warn "enter emergency map save\n";
		1403
		1404	cf::sync_job {
		1405	warn "begin emergency map save\n";
		1406	$_->save for values %cf::MAP;
		1407	};
		1408
		1409	warn "end emergency map save\n";
		1410	}
		1411
		1412	package cf;
		1413
		1414	=back
		1415
		1416
851	=head3 cf::object::player	1417	=head3 cf::object::player
852		1418
853	=over 4	1419	=over 4
854		1420
855	=item $player_object->reply ($npc, $msg[, $flags])	1421	=item $player_object->reply ($npc, $msg[, $flags])
…		…
888		1454
889	$self->flag (cf::FLAG_WIZ) \|\|	1455	$self->flag (cf::FLAG_WIZ) \|\|
890	(ref $cf::CFG{"may_$access"}	1456	(ref $cf::CFG{"may_$access"}
891	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1457	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
892	: $cf::CFG{"may_$access"})	1458	: $cf::CFG{"may_$access"})
		1459	}
		1460
		1461	=item $player_object->enter_link
		1462
		1463	Freezes the player and moves him/her to a special map (C<{link}>).
		1464
		1465	The player should be reaosnably safe there for short amounts of time. You
		1466	I<MUST> call C<leave_link> as soon as possible, though.
		1467
		1468	=item $player_object->leave_link ($map, $x, $y)
		1469
		1470	Moves the player out of the specila link map onto the given map. If the
		1471	map is not valid (or omitted), the player will be moved back to the
		1472	location he/she was before the call to C<enter_link>, or, if that fails,
		1473	to the emergency map position.
		1474
		1475	Might block.
		1476
		1477	=cut
		1478
		1479	sub cf::object::player::enter_link {
		1480	my ($self) = @_;
		1481
		1482	$self->deactivate_recursive;
		1483
		1484	return if $self->map == $LINK_MAP;
		1485
		1486	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
		1487	if $self->map;
		1488
		1489	$self->enter_map ($LINK_MAP, 20, 20);
		1490	}
		1491
		1492	sub cf::object::player::leave_link {
		1493	my ($self, $map, $x, $y) = @_;
		1494
		1495	my $link_pos = delete $self->{_link_pos};
		1496
		1497	unless ($map) {
		1498	# restore original map position
		1499	($map, $x, $y) = @{ $link_pos \|\| [] };
		1500	$map = cf::map::find_map $map;
		1501
		1502	unless ($map) {
		1503	($map, $x, $y) = @$EMERGENCY_POSITION;
		1504	$map = cf::map::find_map $map
		1505	or die "FATAL: cannot load emergency map\n";
		1506	}
		1507	}
		1508
		1509	($x, $y) = (-1, -1)
		1510	unless (defined $x) && (defined $y);
		1511
		1512	# use -1 or undef as default coordinates, not 0, 0
		1513	($x, $y) = ($map->enter_x, $map->enter_y)
		1514	if $x <=0 && $y <= 0;
		1515
		1516	$map->load;
		1517
		1518	$self->activate_recursive;
		1519	$self->enter_map ($map, $x, $y);
		1520	}
		1521
		1522	cf::player->attach (
		1523	on_logout => sub {
		1524	my ($pl) = @_;
		1525
		1526	# abort map switching before logout
		1527	if ($pl->ob->{_link_pos}) {
		1528	cf::sync_job {
		1529	$pl->ob->leave_link
		1530	};
		1531	}
		1532	},
		1533	on_login => sub {
		1534	my ($pl) = @_;
		1535
		1536	# try to abort aborted map switching on player login :)
		1537	# should happen only on crashes
		1538	if ($pl->ob->{_link_pos}) {
		1539	$pl->ob->enter_link;
		1540	Coro::async {
		1541	# we need this sleep as the login has a concurrent enter_exit running
		1542	# and this sleep increases chances of the player not ending up in scorn
		1543	Coro::Timer::sleep 1;
		1544	$pl->ob->leave_link;
		1545	};
		1546	}
		1547	},
		1548	);
		1549
		1550	=item $player_object->goto_map ($path, $x, $y)
		1551
		1552	=cut
		1553
		1554	sub cf::object::player::goto_map {
		1555	my ($self, $path, $x, $y) = @_;
		1556
		1557	$self->enter_link;
		1558
		1559	(Coro::async {
		1560	$path = new cf::path $path;
		1561
		1562	my $map = cf::map::find_map $path->as_string;
		1563	$map = $map->customise_for ($self) if $map;
		1564
		1565	# warn "entering ", $map->path, " at ($x, $y)\n"
		1566	# if $map;
		1567
		1568	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		1569
		1570	$self->leave_link ($map, $x, $y);
		1571	})->prio (1);
		1572	}
		1573
		1574	=item $player_object->enter_exit ($exit_object)
		1575
		1576	=cut
		1577
		1578	sub parse_random_map_params {
		1579	my ($spec) = @_;
		1580
		1581	my $rmp = { # defaults
		1582	xsize => 10,
		1583	ysize => 10,
		1584	};
		1585
		1586	for (split /\n/, $spec) {
		1587	my ($k, $v) = split /\s+/, $_, 2;
		1588
		1589	$rmp->{lc $k} = $v if (length $k) && (length $v);
		1590	}
		1591
		1592	$rmp
		1593	}
		1594
		1595	sub prepare_random_map {
		1596	my ($exit) = @_;
		1597
		1598	# all this does is basically replace the /! path by
		1599	# a new random map path (?random/...) with a seed
		1600	# that depends on the exit object
		1601
		1602	my $rmp = parse_random_map_params $exit->msg;
		1603
		1604	if ($exit->map) {
		1605	$rmp->{region} = $exit->map->region_name;
		1606	$rmp->{origin_map} = $exit->map->path;
		1607	$rmp->{origin_x} = $exit->x;
		1608	$rmp->{origin_y} = $exit->y;
		1609	}
		1610
		1611	$rmp->{random_seed} \|\|= $exit->random_seed;
		1612
		1613	my $data = cf::to_json $rmp;
		1614	my $md5 = Digest::MD5::md5_hex $data;
		1615
		1616	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {
		1617	aio_write $fh, 0, (length $data), $data, 0;
		1618
		1619	$exit->slaying ("?random/$md5");
		1620	$exit->msg (undef);
		1621	}
		1622	}
		1623
		1624	sub cf::object::player::enter_exit {
		1625	my ($self, $exit) = @_;
		1626
		1627	return unless $self->type == cf::PLAYER;
		1628
		1629	$self->enter_link;
		1630
		1631	(Coro::async {
		1632	unless (eval {
		1633
		1634	prepare_random_map $exit
		1635	if $exit->slaying eq "/!";
		1636
		1637	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
		1638	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
		1639
		1640	1;
		1641	}) {
		1642	$self->message ("Something went wrong deep within the crossfire server. "
		1643	. "I'll try to bring you back to the map you were before. "
		1644	. "Please report this to the dungeon master",
		1645	cf::NDI_UNIQUE \| cf::NDI_RED);
		1646
		1647	warn "ERROR in enter_exit: $@";
		1648	$self->leave_link;
		1649	}
		1650	})->prio (1);
893	}	1651	}
894		1652
895	=head3 cf::client	1653	=head3 cf::client
896		1654
897	=over 4	1655	=over 4
…		…
1224	local $/;	1982	local $/;
1225	*CFG = YAML::Syck::Load <$fh>;	1983	*CFG = YAML::Syck::Load <$fh>;
1226	}	1984	}
1227		1985
1228	sub main {	1986	sub main {
		1987	# we must not ever block the main coroutine
		1988	local $Coro::idle = sub {
		1989	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		1990	(Coro::unblock_sub {
		1991	Event::one_event;
		1992	})->();
		1993	};
		1994
1229	cfg_load;	1995	cfg_load;
1230	db_load;	1996	db_load;
1231	load_extensions;	1997	load_extensions;
1232	Event::loop;	1998	Event::loop;
1233	}	1999	}
1234		2000
1235	#############################################################################	2001	#############################################################################
1236	# initialisation	2002	# initialisation
1237		2003
1238	sub _perl_reload() {	2004	sub reload() {
		2005	# can/must only be called in main
		2006	if ($Coro::current != $Coro::main) {
		2007	warn "can only reload from main coroutine\n";
		2008	return;
		2009	}
		2010
1239	warn "reloading...";	2011	warn "reloading...";
1240		2012
		2013	local $FREEZE = 1;
		2014	cf::emergency_save;
		2015
1241	eval {	2016	eval {
1242	local $FREEZE = 1;	2017	# if anything goes wrong in here, we should simply crash as we already saved
1243
1244	cf::emergency_save;
1245		2018
1246	# cancel all watchers	2019	# cancel all watchers
1247	for (Event::all_watchers) {	2020	for (Event::all_watchers) {
1248	$_->cancel if $_->data & WF_AUTOCANCEL;	2021	$_->cancel if $_->data & WF_AUTOCANCEL;
1249	}	2022	}
…		…
1308		2081
1309	# reattach attachments to objects	2082	# reattach attachments to objects
1310	warn "reattach";	2083	warn "reattach";
1311	_global_reattach;	2084	_global_reattach;
1312	};	2085	};
1313	warn $@ if $@;
1314		2086
1315	warn "reloaded";	2087	if ($@) {
		2088	warn $@;
		2089	warn "error while reloading, exiting.";
		2090	exit 1;
		2091	}
		2092
		2093	warn "reloaded successfully";
1316	};	2094	};
1317		2095
1318	sub perl_reload() {	2096	#############################################################################
1319	_perl_reload;	2097
		2098	unless ($LINK_MAP) {
		2099	$LINK_MAP = cf::map::new;
		2100
		2101	$LINK_MAP->width (41);
		2102	$LINK_MAP->height (41);
		2103	$LINK_MAP->alloc;
		2104	$LINK_MAP->path ("{link}");
		2105	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		2106	$LINK_MAP->in_memory (MAP_IN_MEMORY);
		2107
		2108	# dirty hack because... archetypes are not yet loaded
		2109	Event->timer (
		2110	after => 2,
		2111	cb => sub {
		2112	$_[0]->w->cancel;
		2113
		2114	# provide some exits "home"
		2115	my $exit = cf::object::new "exit";
		2116
		2117	$exit->slaying ($EMERGENCY_POSITION->[0]);
		2118	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
		2119	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
		2120
		2121	$LINK_MAP->insert ($exit->clone, 19, 19);
		2122	$LINK_MAP->insert ($exit->clone, 19, 20);
		2123	$LINK_MAP->insert ($exit->clone, 19, 21);
		2124	$LINK_MAP->insert ($exit->clone, 20, 19);
		2125	$LINK_MAP->insert ($exit->clone, 20, 21);
		2126	$LINK_MAP->insert ($exit->clone, 21, 19);
		2127	$LINK_MAP->insert ($exit->clone, 21, 20);
		2128	$LINK_MAP->insert ($exit->clone, 21, 21);
		2129
		2130	$exit->destroy;
		2131	});
		2132
		2133	$LINK_MAP->{deny_save} = 1;
		2134	$LINK_MAP->{deny_reset} = 1;
		2135
		2136	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1320	}	2137	}
1321		2138
1322	register "<global>", __PACKAGE__;	2139	register "<global>", __PACKAGE__;
1323		2140
1324	register_command "perl-reload" => sub {	2141	register_command "reload" => sub {
1325	my ($who, $arg) = @_;	2142	my ($who, $arg) = @_;
1326		2143
1327	if ($who->flag (FLAG_WIZ)) {	2144	if ($who->flag (FLAG_WIZ)) {
		2145	$who->message ("start of reload.");
		2146	reload;
1328	$who->message ("reloading...");	2147	$who->message ("end of reload.");
1329	_perl_reload;
1330	}	2148	}
1331	};	2149	};
1332		2150
1333	unshift @INC, $LIBDIR;	2151	unshift @INC, $LIBDIR;
1334		2152
…		…
1353	},	2171	},
1354	);	2172	);
1355		2173
1356	IO::AIO::max_poll_time $TICK * 0.2;	2174	IO::AIO::max_poll_time $TICK * 0.2;
1357		2175
		2176	Event->io (
1358	Event->io (fd => IO::AIO::poll_fileno,	2177	fd => IO::AIO::poll_fileno,
1359	poll => 'r',	2178	poll => 'r',
1360	prio => 5,	2179	prio => 5,
1361	data => WF_AUTOCANCEL,	2180	data => WF_AUTOCANCEL,
1362	cb => \&IO::AIO::poll_cb);	2181	cb => \&IO::AIO::poll_cb,
		2182	);
1363		2183
1364	# we must not ever block the main coroutine	2184	Event->timer (
1365	$Coro::idle = sub {	2185	data => WF_AUTOCANCEL,
1366	#Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2186	after => 0,
1367	warn "FATAL: Coro::idle was called, major BUG\n";	2187	interval => 10,
		2188	cb => sub {
1368	(Coro::unblock_sub {	2189	(Coro::unblock_sub {
1369	Event::one_event;	2190	write_runtime
		2191	or warn "ERROR: unable to write runtime file: $!";
1370	})->();	2192	})->();
1371	};	2193	},
		2194	);
1372		2195
1373	1	2196	1
1374		2197

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.104 by root, Sat Dec 30 16:56:16 2006 UTC vs. Revision 1.120 by root, Tue Jan 2 11:08:36 2007 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.104 by root, Sat Dec 30 16:56:16 2006 UTC vs.
Revision 1.120 by root, Tue Jan 2 11:08:36 2007 UTC