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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.119 by root, Tue Jan 2 08:26:42 2007 UTC vs.
Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.3 ();
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	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
…		…
47	our %CFG;	52	our %CFG;
48		53
49	our $UPTIME; $UPTIME ||= time;	54	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	55	our $RUNTIME;
51		56
		57	our %PLAYER; # all users
52	our %MAP; # all maps	58	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	59	our $LINK_MAP; # the special {link} map
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	60	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	61
		62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
57		64
58	binmode STDOUT;	65	binmode STDOUT;
59	binmode STDERR;	66	binmode STDERR;
60		67
61	# read virtual server time, if available	68	# read virtual server time, if available
…		…
71	mkdir cf::localdir . "/" . cf::uniquedir;	78	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	79	mkdir $RANDOM_MAPS;
73		80
74	# a special map that is always available	81	# a special map that is always available
75	our $LINK_MAP;	82	our $LINK_MAP;
76		83	our $EMERGENCY_POSITION;
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];
78		84
79	#############################################################################	85	#############################################################################
80		86
81	=head2 GLOBAL VARIABLES	87	=head2 GLOBAL VARIABLES
82		88
…		…
106		112
107	=item %cf::CFG	113	=item %cf::CFG
108		114
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	115	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	116	from wherever your confdir points to.
		117
		118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		119
		120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		122	processing has been done. Call C<< ->wait >> on them to maximise the
		123	window of cpu time available, or simply to synchronise to the server tick.
111		124
112	=back	125	=back
113		126
114	=cut	127	=cut
115		128
…		…
119	utf8::encode $msg;	132	utf8::encode $msg;
120		133
121	$msg .= "\n"	134	$msg .= "\n"
122	unless $msg =~ /\n$/;	135	unless $msg =~ /\n$/;
123		136
124	LOG llevError, "cfperl: $msg";	137	LOG llevError, $msg;
125	};	138	};
126	}	139	}
127		140
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		160
148	$Event::DIED = sub {	161	$Event::DIED = sub {
149	warn "error in event callback: @_";	162	warn "error in event callback: @_";
150	};	163	};
151		164
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	165	=head2 UTILITY FUNCTIONS
157		166
158	=over 4	167	=over 4
159		168
		169	=item dumpval $ref
		170
160	=cut	171	=cut
		172
		173	sub dumpval {
		174	eval {
		175	local $SIG{__DIE__};
		176	my $d;
		177	if (1) {
		178	$d = new Data::Dumper([$_[0]], ["*var"]);
		179	$d->Terse(1);
		180	$d->Indent(2);
		181	$d->Quotekeys(0);
		182	$d->Useqq(1);
		183	#$d->Bless(...);
		184	$d->Seen($_[1]) if @_ > 1;
		185	$d = $d->Dump();
		186	}
		187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		188	$d
		189	} || "[unable to dump $_[0]: '$@']";
		190	}
161		191
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	192	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		193
164	=item $ref = cf::from_json $json	194	=item $ref = cf::from_json $json
165		195
…		…
180		210
181	sub to_json($) {	211	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	213	JSON::Syck::Dump $_[0]
184	}	214	}
		215
		216	=item cf::lock_wait $string
		217
		218	Wait until the given lock is available. See cf::lock_acquire.
		219
		220	=item my $lock = cf::lock_acquire $string
		221
		222	Wait until the given lock is available and then acquires it and returns
		223	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		224	for example when the coroutine gets canceled), the lock is automatically
		225	returned.
		226
		227	Lock names should begin with a unique identifier (for example, cf::map::find
		228	uses map_find and cf::map::load uses map_load).
		229
		230	=cut
		231
		232	our %LOCK;
		233
		234	sub lock_wait($) {
		235	my ($key) = @_;
		236
		237	# wait for lock, if any
		238	while ($LOCK{$key}) {
		239	push @{ $LOCK{$key} }, $Coro::current;
		240	Coro::schedule;
		241	}
		242	}
		243
		244	sub lock_acquire($) {
		245	my ($key) = @_;
		246
		247	# wait, to be sure we are not locked
		248	lock_wait $key;
		249
		250	$LOCK{$key} = [];
		251
		252	Coro::guard {
		253	# wake up all waiters, to be on the safe side
		254	$_->ready for @{ delete $LOCK{$key} };
		255	}
		256	}
		257
		258	sub freeze_mainloop {
		259	return unless $TICK_WATCHER->is_active;
		260
		261	my $guard = Coro::guard { $TICK_WATCHER->start };
		262	$TICK_WATCHER->stop;
		263	$guard
		264	}
		265
		266	=item cf::async { BLOCK }
		267
		268	Currently the same as Coro::async_pool, meaning you cannot use
		269	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		270	thing you are allowed to do is call C<prio> on it.
		271
		272	=cut
		273
		274	BEGIN { *async = \&Coro::async_pool }
185		275
186	=item cf::sync_job { BLOCK }	276	=item cf::sync_job { BLOCK }
187		277
188	The design of crossfire+ requires that the main coro ($Coro::main) is	278	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	279	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	293	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	294	# till the operation succeeds, freezing the server :/
205		295
206	# TODO: use suspend/resume instead	296	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	297	# (but this is cancel-safe)
208	local $FREEZE = 1;	298	my $freeze_guard = freeze_mainloop;
209		299
210	my $busy = 1;	300	my $busy = 1;
211	my @res;	301	my @res;
212		302
213	(Coro::async {	303	(async {
214	@res = eval { $job->() };	304	@res = eval { $job->() };
215	warn $@ if $@;	305	warn $@ if $@;
216	undef $busy;	306	undef $busy;
217	})->prio (Coro::PRIO_MAX);	307	})->prio (Coro::PRIO_MAX);
218		308
219	while ($busy) {	309	while ($busy) {
220	Coro::cede_notself;	310	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	311	}
223		312
224	wantarray ? @res : $res[0]	313	wantarray ? @res : $res[0]
225	} else {	314	} else {
226	# we are in another coroutine, how wonderful, everything just works	315	# we are in another coroutine, how wonderful, everything just works
227		316
228	$job->()	317	$job->()
229	}	318	}
230	}	319	}
231		320
232	=item $coro = cf::coro { BLOCK }	321	=item $coro = cf::async_ext { BLOCK }
233		322
234	Creates and returns a new coro. This coro is automcatially being canceled	323	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	324	extension calling this is being unloaded.
236		325
237	=cut	326	=cut
238		327
239	sub coro(&) {	328	sub async_ext(&) {
240	my $cb = shift;	329	my $cb = shift;
241		330
242	my $coro; $coro = async {	331	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		332
249	$coro->on_destroy (sub {	333	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	334	delete $EXT_CORO{$coro+0};
251	});	335	});
252	$EXT_CORO{$coro+0} = $coro;	336	$EXT_CORO{$coro+0} = $coro;
…		…
282		366
283	#############################################################################	367	#############################################################################
284		368
285	package cf::path;	369	package cf::path;
286		370
		371	use overload
		372	'""' => \&as_string;
		373
		374	# used to convert map paths into valid unix filenames by repalcing / by ∕
		375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		376
		377	sub register {
		378	my ($pkg, $prefix) = @_;
		379
		380	$EXT_MAP{$prefix} = $pkg;
		381	}
		382
287	sub new {	383	sub new {
288	my ($class, $path, $base) = @_;	384	my ($class, $path, $base) = @_;
289		385
290	$path = $path->as_string if ref $path;	386	return $path if ref $path;
291		387
292	my $self = bless { }, $class;	388	my $self = {};
293		389
294	# {... are special paths that are not touched	390	# {... are special paths that are not being touched
295	# ?xxx/... are special absolute paths	391	# ?xxx/... are special absolute paths
296	# ?random/... random maps	392	# ?random/... random maps
297	# /! non-realised random map exit	393	# /! non-realised random map exit
298	# /... normal maps	394	# /... normal maps
299	# ~/... per-player maps without a specific player (DO NOT USE)	395	# ~/... per-player maps without a specific player (DO NOT USE)
300	# ~user/... per-player map of a specific user	396	# ~user/... per-player map of a specific user
301		397
		398	$path =~ s/$PATH_SEP/\//go;
		399
302	if ($path =~ /^{/) {	400	if ($path =~ /^{/) {
303	# fine as it is	401	# 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 $data;
307	} else {	402	} else {
308	if ($path =~ s{^~([^/]+)?}{}) {	403	if ($path =~ s{^~([^/]+)?}{}) {
		404	# ~user
309	$self->{user_rel} = 1;	405	$self->{user_rel} = 1;
310		406
311	if (defined $1) {	407	if (defined $1) {
312	$self->{user} = $1;	408	$self->{user} = $1;
313	} elsif ($base =~ m{^~([^/]+)/}) {	409	} elsif ($base =~ m{^~([^/]+)/}) {
314	$self->{user} = $1;	410	$self->{user} = $1;
315	} else {	411	} else {
316	warn "cannot resolve user-relative path without user <$path,$base>\n";	412	warn "cannot resolve user-relative path without user <$path,$base>\n";
317	}	413	}
		414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
		415	# ?...
		416	$self->{ext} = $1;
		417	if (my $ext = $EXT_MAP{$1}) {
		418	bless $self, $ext;
		419	}
318	} elsif ($path =~ /^\//) {	420	} elsif ($path =~ /^\//) {
		421	# /...
319	# already absolute	422	# already absolute
320	} else {	423	} else {
		424	# relative
321	$base =~ s{[^/]+/?$}{};	425	$base =~ s{[^/]+/?$}{};
322	return $class->new ("$base/$path");	426	return $class->new ("$base/$path");
323	}	427	}
324		428
325	for ($path) {	429	for ($path) {
…		…
328	}	432	}
329	}	433	}
330		434
331	$self->{path} = $path;	435	$self->{path} = $path;
332		436
		437	if ("HASH" eq ref $self) {
		438	bless $self, $class;
		439	} else {
		440	$self->init;
		441	}
		442
		443	for my $ext (values %EXT_MAP) {
		444	if (my $subst = $ext->substitute ($self)) {
		445	return $subst;
		446	}
		447	}
		448
333	$self	449	$self
		450	}
		451
		452	sub init {
		453	# nop
		454	}
		455
		456	sub substitute {
		457	()
334	}	458	}
335		459
336	# the name / primary key / in-game path	460	# the name / primary key / in-game path
337	sub as_string {	461	sub as_string {
338	my ($self) = @_;	462	my ($self) = @_;
339		463
340	$self->{user_rel} ? "~$self->{user}$self->{path}"	464	$self->{user_rel} ? "~$self->{user}$self->{path}"
341	: $self->{random} ? "?random/$self->{path}"	465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
342	: $self->{path}	466	: $self->{path}
343	}	467	}
344		468
345	# the displayed name, this is a one way mapping	469	# the displayed name, this is a one way mapping
346	sub visible_name {	470	sub visible_name {
347	my ($self) = @_;	471	&as_string
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	}	472	}
356		473
357	# escape the /'s in the path	474	# escape the /'s in the path
358	sub _escaped_path {	475	sub _escaped_path {
359	# ∕ is U+2215
360	(my $path = $_[0]{path}) =~ s/\//∕/g;	476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		477
361	$path	478	$path
362	}	479	}
363		480
364	# the original (read-only) location	481	# the original (read-only) location
365	sub load_path {	482	sub load_path {
…		…
370		487
371	# the temporary/swap location	488	# the temporary/swap location
372	sub save_path {	489	sub save_path {
373	my ($self) = @_;	490	my ($self) = @_;
374		491
		492	$self->{user_rel}
375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path	493	? 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	494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
378	}	495	}
379		496
380	# the unique path, might be eq to save_path	497	# the unique path, undef == no special unique path
381	sub uniq_path {	498	sub uniq_path {
382	my ($self) = @_;	499	my ($self) = @_;
383		500
384	$self->{user_rel} || $self->{random}	501	$self->{user_rel} || $self->{ext}
385	? undef	502	? undef
386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
387	}	504	}
388		505
389	# return random map parameters, or undef	506	sub customise_for {
390	sub random_map_params {
391	my ($self) = @_;	507	my ($self, $map, $ob) = @_;
392		508
393	$self->{random}	509	if ($map->per_player) {
		510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
		511	}
		512
		513	$map
394	}	514	}
395		515
396	# this is somewhat ugly, but style maps do need special treatment	516	# this is somewhat ugly, but style maps do need special treatment
397	sub is_style_map {	517	sub is_style_map {
398	$_[0]{path} =~ m{^/styles/}	518	$_[0]{path} =~ m{^/styles/}
		519	}
		520
		521	sub load_orig {
		522	my ($self) = @_;
		523
		524	&cf::map::load_map_header ($self->load_path)
		525	}
		526
		527	sub load_temp {
		528	my ($self) = @_;
		529
		530	&cf::map::load_map_header ($self->save_path)
		531	}
		532
		533	sub unlink_save {
		534	my ($self) = @_;
		535
		536	utf8::encode (my $save = $self->save_path);
		537	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
		538	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
399	}	539	}
400		540
401	package cf;	541	package cf;
402		542
403	#############################################################################	543	#############################################################################
…		…
853	=cut	993	=cut
854		994
855	sub register_extcmd {	995	sub register_extcmd {
856	my ($name, $cb) = @_;	996	my ($name, $cb) = @_;
857		997
858	my $caller = caller;
859	#warn "registering extcmd '$name' to '$caller'";
860
861	$EXTCMD{$name} = [$cb, $caller];	998	$EXTCMD{$name} = $cb;
862	}	999	}
863		1000
864	cf::player->attach (	1001	cf::player->attach (
865	on_command => sub {	1002	on_command => sub {
866	my ($pl, $name, $params) = @_;	1003	my ($pl, $name, $params) = @_;
…		…
879		1016
880	my $msg = eval { from_json $buf };	1017	my $msg = eval { from_json $buf };
881		1018
882	if (ref $msg) {	1019	if (ref $msg) {
883	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1020	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
884	if (my %reply = $cb->[0]->($pl, $msg)) {	1021	if (my %reply = $cb->($pl, $msg)) {
885	$pl->ext_reply ($msg->{msgid}, %reply);	1022	$pl->ext_reply ($msg->{msgid}, %reply);
886	}	1023	}
887	}	1024	}
888	} else {	1025	} else {
889	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1026	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
891		1028
892	cf::override;	1029	cf::override;
893	},	1030	},
894	);	1031	);
895		1032
896	sub register {
897	my ($base, $pkg) = @_;
898
899	#TODO
900	}
901
902	sub load_extension {	1033	sub load_extension {
903	my ($path) = @_;	1034	my ($path) = @_;
904		1035
905	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1036	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
906	my $base = $1;	1037	my $base = $1;
907	my $pkg = $1;	1038	my $pkg = $1;
908	$pkg =~ s/[^[:word:]]/_/g;	1039	$pkg =~ s/[^[:word:]]/_/g;
909	$pkg = "ext::$pkg";	1040	$pkg = "ext::$pkg";
910		1041
911	warn "loading '$path' into '$pkg'\n";	1042	warn "... loading '$path' into '$pkg'\n";
912		1043
913	open my $fh, "<:utf8", $path	1044	open my $fh, "<:utf8", $path
914	or die "$path: $!";	1045	or die "$path: $!";
915		1046
916	my $source =	1047	my $source =
…		…
921		1052
922	eval $source	1053	eval $source
923	or die $@ ? "$path: $@\n"	1054	or die $@ ? "$path: $@\n"
924	: "extension disabled.\n";	1055	: "extension disabled.\n";
925		1056
926	push @exts, $pkg;	1057	push @EXTS, $pkg;
927	$ext_pkg{$base} = $pkg;
928
929	# no strict 'refs';
930	# @{"$pkg\::ISA"} = ext::;
931
932	register $base, $pkg;
933	}
934
935	sub unload_extension {
936	my ($pkg) = @_;
937
938	warn "removing extension $pkg\n";
939
940	# remove hooks
941	#TODO
942	# for my $idx (0 .. $#PLUGIN_EVENT) {
943	# delete $hook[$idx]{$pkg};
944	# }
945
946	# remove commands
947	for my $name (keys %COMMAND) {
948	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
949
950	if (@cb) {
951	$COMMAND{$name} = \@cb;
952	} else {
953	delete $COMMAND{$name};
954	}
955	}
956
957	# remove extcmds
958	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
959	delete $EXTCMD{$name};
960	}
961
962	if (my $cb = $pkg->can ("unload")) {
963	eval {
964	$cb->($pkg);
965	1
966	} or warn "$pkg unloaded, but with errors: $@";
967	}
968
969	Symbol::delete_package $pkg;
970	}	1058	}
971		1059
972	sub load_extensions {	1060	sub load_extensions {
973	for my $ext (<$LIBDIR/*.ext>) {	1061	for my $ext (<$LIBDIR/*.ext>) {
974	next unless -r $ext;	1062	next unless -r $ext;
…		…
992	};	1080	};
993		1081
994	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
995		1083
996	#############################################################################	1084	#############################################################################
997	# load/save perl data associated with player->ob objects
998
999	sub all_objects(@) {
1000	@_, map all_objects ($_->inv), @_
1001	}
1002
1003	# TODO: compatibility cruft, remove when no longer needed
1004	cf::player->attach (
1005	on_load => sub {
1006	my ($pl, $path) = @_;
1007
1008	for my $o (all_objects $pl->ob) {
1009	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1010	$o->set_ob_key_value ("_perl_data");
1011
1012	%$o = %{ Storable::thaw pack "H*", $value };
1013	}
1014	}
1015	},
1016	);
1017
1018	#############################################################################
1019		1085
1020	=head2 CORE EXTENSIONS	1086	=head2 CORE EXTENSIONS
1021		1087
1022	Functions and methods that extend core crossfire objects.	1088	Functions and methods that extend core crossfire objects.
1023		1089
		1090	=cut
		1091
		1092	package cf::player;
		1093
		1094	use Coro::AIO;
		1095
1024	=head3 cf::player	1096	=head3 cf::player
1025		1097
1026	=over 4	1098	=over 4
1027		1099
1028	=item cf::player::exists $login	1100	=item cf::player::find $login
1029		1101
1030	Returns true when the given account exists.	1102	Returns the given player object, loading it if necessary (might block).
1031		1103
1032	=cut	1104	=cut
1033		1105
1034	sub cf::player::exists($) {	1106	sub playerdir($) {
1035	cf::player::find $_[0]	1107	cf::localdir
1036	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1108	. "/"
		1109	. cf::playerdir
		1110	. "/"
		1111	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1112	}
		1113
		1114	sub path($) {
		1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1116
		1117	(playerdir $login) . "/$login.pl"
		1118	}
		1119
		1120	sub find_active($) {
		1121	$cf::PLAYER{$_[0]}
		1122	and $cf::PLAYER{$_[0]}->active
		1123	and $cf::PLAYER{$_[0]}
		1124	}
		1125
		1126	sub exists($) {
		1127	my ($login) = @_;
		1128
		1129	$cf::PLAYER{$login}
		1130	or cf::sync_job { !aio_stat $login }
		1131	}
		1132
		1133	sub find($) {
		1134	return $cf::PLAYER{$_[0]} || do {
		1135	my $login = $_[0];
		1136
		1137	my $guard = cf::lock_acquire "user_find:$login";
		1138
		1139	$cf::PLAYER{$_[0]} || do {
		1140	my $pl = load_pl path $login
		1141	or return;
		1142	$cf::PLAYER{$login} = $pl
		1143	}
		1144	}
		1145	}
		1146
		1147	sub save($) {
		1148	my ($pl) = @_;
		1149
		1150	return if $pl->{deny_save};
		1151
		1152	my $path = path $pl;
		1153	my $guard = cf::lock_acquire "user_save:$path";
		1154
		1155	return if $pl->{deny_save};
		1156
		1157	aio_mkdir playerdir $pl, 0770;
		1158	$pl->{last_save} = $cf::RUNTIME;
		1159
		1160	$pl->save_pl ($path);
		1161	Coro::cede;
		1162	}
		1163
		1164	sub new($) {
		1165	my ($login) = @_;
		1166
		1167	my $self = create;
		1168
		1169	$self->ob->name ($login);
		1170	$self->{deny_save} = 1;
		1171
		1172	$cf::PLAYER{$login} = $self;
		1173
		1174	$self
		1175	}
		1176
		1177	=item $pl->quit_character
		1178
		1179	Nukes the player without looking back. If logged in, the connection will
		1180	be destroyed. May block for a long time.
		1181
		1182	=cut
		1183
		1184	sub quit_character {
		1185	my ($pl) = @_;
		1186
		1187	$pl->{deny_save} = 1;
		1188	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1189
		1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1191	$pl->deactivate;
		1192	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1193	$pl->ns->destroy if $pl->ns;
		1194
		1195	my $path = playerdir $pl;
		1196	my $temp = "$path~$cf::RUNTIME~deleting~";
		1197	aio_rename $path, $temp;
		1198	delete $cf::PLAYER{$pl->ob->name};
		1199	$pl->destroy;
		1200	IO::AIO::aio_rmtree $temp;
		1201	}
		1202
		1203	=item cf::player::list_logins
		1204
		1205	Returns am arrayref of all valid playernames in the system, can take a
		1206	while and may block, so not sync_job-capable, ever.
		1207
		1208	=cut
		1209
		1210	sub list_logins {
		1211	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1212	or return [];
		1213
		1214	my @logins;
		1215
		1216	for my $login (@$dirs) {
		1217	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1218	aio_read $fh, 0, 512, my $buf, 0 or next;
		1219	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1220
		1221	utf8::decode $login;
		1222	push @logins, $login;
		1223	}
		1224
		1225	\@logins
		1226	}
		1227
		1228	=item $player->maps
		1229
		1230	Returns an arrayref of cf::path's of all maps that are private for this
		1231	player. May block.
		1232
		1233	=cut
		1234
		1235	sub maps($) {
		1236	my ($pl) = @_;
		1237
		1238	my $files = aio_readdir playerdir $pl
		1239	or return;
		1240
		1241	my @paths;
		1242
		1243	for (@$files) {
		1244	utf8::decode $_;
		1245	next if /\.(?:pl|pst)$/;
		1246	next unless /^$PATH_SEP/o;
		1247
		1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
		1249	}
		1250
		1251	\@paths
1037	}	1252	}
1038		1253
1039	=item $player->ext_reply ($msgid, $msgtype, %msg)	1254	=item $player->ext_reply ($msgid, $msgtype, %msg)
1040		1255
1041	Sends an ext reply to the player.	1256	Sends an ext reply to the player.
1042		1257
1043	=cut	1258	=cut
1044		1259
1045	sub cf::player::ext_reply($$$%) {	1260	sub ext_reply($$$%) {
1046	my ($self, $id, %msg) = @_;	1261	my ($self, $id, %msg) = @_;
1047		1262
1048	$msg{msgid} = $id;	1263	$msg{msgid} = $id;
1049		1264
1050	$self->send ("ext " . to_json \%msg);	1265	$self->send ("ext " . cf::to_json \%msg);
1051	}	1266	}
		1267
		1268	package cf;
1052		1269
1053	=back	1270	=back
1054		1271
1055		1272
1056	=head3 cf::map	1273	=head3 cf::map
…		…
1062	package cf::map;	1279	package cf::map;
1063		1280
1064	use Fcntl;	1281	use Fcntl;
1065	use Coro::AIO;	1282	use Coro::AIO;
1066		1283
1067	our $MAX_RESET = 7200;	1284	our $MAX_RESET = 3600;
1068	our $DEFAULT_RESET = 3600;	1285	our $DEFAULT_RESET = 3000;
1069		1286
1070	sub generate_random_map {	1287	sub generate_random_map {
1071	my ($path, $rmp) = @_;	1288	my ($path, $rmp) = @_;
1072		1289
1073	# mit "rum" bekleckern, nicht	1290	# mit "rum" bekleckern, nicht
1074	cf::map::_create_random_map	1291	cf::map::_create_random_map (
1075	$path,	1292	$path,
1076	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1077	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1078	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1079	$rmp->{exit_on_final_map},	1296	$rmp->{exit_on_final_map},
…		…
1081	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1082	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1083	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1084	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1085	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1086	(cf::region::find $rmp->{region})	1303	(cf::region::find $rmp->{region}), $rmp->{custom}
		1304	)
1087	}	1305	}
1088		1306
1089	# and all this just because we cannot iterate over	1307	# and all this just because we cannot iterate over
1090	# all maps in C++...	1308	# all maps in C++...
1091	sub change_all_map_light {	1309	sub change_all_map_light {
1092	my ($change) = @_;	1310	my ($change) = @_;
1093		1311
1094	$_->change_map_light ($change) for values %cf::MAP;	1312	$_->change_map_light ($change)
		1313	for grep $_->outdoor, values %cf::MAP;
1095	}	1314	}
1096		1315
1097	sub try_load_header($) {	1316	sub load_map_header($) {
1098	my ($path) = @_;	1317	my ($path) = @_;
1099		1318
1100	utf8::encode $path;	1319	utf8::encode $path;
1101	aio_open $path, O_RDONLY, 0	1320	aio_open $path, O_RDONLY, 0
1102	or return;	1321	or return;
1103		1322
1104	my $map = cf::map::new	1323	my $map = cf::map::new
1105	or return;	1324	or return;
1106		1325
		1326	# for better error messages only, will be overwritten later
		1327	$map->path ($path);
		1328
1107	$map->load_header ($path)	1329	$map->load_header ($path)
1108	or return;	1330	or return;
1109		1331
1110	$map->{load_path} = $path;	1332	$map->{load_path} = $path;
1111		1333
1112	$map	1334	$map
1113	}	1335	}
1114		1336
		1337	sub find;
1115	sub find_map {	1338	sub find {
1116	my ($path, $origin) = @_;	1339	my ($path, $origin) = @_;
1117		1340
1118	#warn "find_map<$path,$origin>\n";#d#	1341	#warn "find<$path,$origin>\n";#d#
1119		1342
1120	$path = new cf::path $path, $origin && $origin->path;	1343	$path = new cf::path $path, $origin && $origin->path;
1121	my $key = $path->as_string;	1344	my $key = $path->as_string;
1122		1345
		1346	cf::lock_wait "map_find:$key";
		1347
1123	$cf::MAP{$key} || do {	1348	$cf::MAP{$key} || do {
		1349	my $guard = cf::lock_acquire "map_find:$key";
		1350
1124	# do it the slow way	1351	# do it the slow way
1125	my $map = try_load_header $path->save_path;	1352	my $map = $path->load_temp;
		1353
		1354	Coro::cede;
1126		1355
1127	if ($map) {	1356	if ($map) {
		1357	$map->last_access ((delete $map->{last_access})
		1358	|| $cf::RUNTIME); #d#
1128	# safety	1359	# safety
1129	$map->{instantiate_time} = $cf::RUNTIME	1360	$map->{instantiate_time} = $cf::RUNTIME
1130	if $map->{instantiate_time} > $cf::RUNTIME;	1361	if $map->{instantiate_time} > $cf::RUNTIME;
1131	} else {	1362	} else {
1132	if (my $rmp = $path->random_map_params) {	1363	$map = $path->load_orig
1133	$map = generate_random_map $key, $rmp;
1134	} else {
1135	$map = try_load_header $path->load_path;
1136	}
1137
1138	$map or return;	1364	or return;
1139		1365
1140	$map->{load_original} = 1;	1366	$map->{load_original} = 1;
1141	$map->{instantiate_time} = $cf::RUNTIME;	1367	$map->{instantiate_time} = $cf::RUNTIME;
		1368	$map->last_access ($cf::RUNTIME);
1142	$map->instantiate;	1369	$map->instantiate;
1143		1370
1144	# per-player maps become, after loading, normal maps	1371	# per-player maps become, after loading, normal maps
1145	$map->per_player (0) if $path->{user_rel};	1372	$map->per_player (0) if $path->{user_rel};
1146	}	1373	}
1147	#Coro::Timer::sleep 1;#d#
1148		1374
1149	$map->path ($key);	1375	$map->path ($key);
1150	$map->{path} = $path;	1376	$map->{path} = $path;
1151	$map->{last_save} = $cf::RUNTIME;	1377	$map->{last_save} = $cf::RUNTIME;
1152	$map->last_access ($cf::RUNTIME);	1378
		1379	Coro::cede;
1153		1380
1154	if ($map->should_reset) {	1381	if ($map->should_reset) {
1155	$map->reset;	1382	$map->reset;
		1383	undef $guard;
1156	$map = find_map $path;	1384	$map = find $path
		1385	or return;
1157	}	1386	}
1158		1387
1159	$cf::MAP{$key} = $map	1388	$cf::MAP{$key} = $map
1160	}	1389	}
1161	}	1390	}
1162		1391
1163	sub load {	1392	sub load {
1164	my ($self) = @_;	1393	my ($self) = @_;
1165		1394
		1395	my $path = $self->{path};
		1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1397
1166	return if $self->in_memory != cf::MAP_SWAPPED;	1398	return if $self->in_memory != cf::MAP_SWAPPED;
1167		1399
1168	$self->in_memory (cf::MAP_LOADING);	1400	$self->in_memory (cf::MAP_LOADING);
1169
1170	my $path = $self->{path};
1171		1401
1172	$self->alloc;	1402	$self->alloc;
1173	$self->load_objects ($self->{load_path}, 1)	1403	$self->load_objects ($self->{load_path}, 1)
1174	or return;	1404	or return;
1175		1405
…		…
1182	$self->clear_unique_items;	1412	$self->clear_unique_items;
1183	$self->load_objects ($uniq, 0);	1413	$self->load_objects ($uniq, 0);
1184	}	1414	}
1185	}	1415	}
1186		1416
		1417	Coro::cede;
		1418
1187	# now do the right thing for maps	1419	# now do the right thing for maps
1188	$self->link_multipart_objects;	1420	$self->link_multipart_objects;
1189		1421
1190	if ($self->{path}->is_style_map) {	1422	if ($self->{path}->is_style_map) {
1191	$self->{deny_save} = 1;	1423	$self->{deny_save} = 1;
1192	$self->{deny_reset} = 1;	1424	$self->{deny_reset} = 1;
1193	} else {	1425	} else {
		1426	$self->decay_objects;
1194	$self->fix_auto_apply;	1427	$self->fix_auto_apply;
1195	$self->decay_objects;
1196	$self->update_buttons;	1428	$self->update_buttons;
1197	$self->set_darkness_map;	1429	$self->set_darkness_map;
1198	$self->difficulty ($self->estimate_difficulty)	1430	$self->difficulty ($self->estimate_difficulty)
1199	unless $self->difficulty;	1431	unless $self->difficulty;
1200	$self->activate;	1432	$self->activate;
1201	}	1433	}
1202		1434
		1435	Coro::cede;
		1436
1203	$self->in_memory (cf::MAP_IN_MEMORY);	1437	$self->in_memory (cf::MAP_IN_MEMORY);
1204	}	1438	}
1205		1439
1206	sub load_map_sync {	1440	# find and load all maps in the 3x3 area around a map
		1441	sub load_diag {
		1442	my ($map) = @_;
		1443
		1444	my @diag; # diagonal neighbours
		1445
		1446	for (0 .. 3) {
		1447	my $neigh = $map->tile_path ($_)
		1448	or next;
		1449	$neigh = find $neigh, $map
		1450	or next;
		1451	$neigh->load;
		1452
		1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1455	}
		1456
		1457	for (@diag) {
		1458	my $neigh = find @$_
		1459	or next;
		1460	$neigh->load;
		1461	}
		1462	}
		1463
		1464	sub find_sync {
1207	my ($path, $origin) = @_;	1465	my ($path, $origin) = @_;
1208		1466
1209	#warn "load_map_sync<$path, $origin>\n";#d#	1467	cf::sync_job { find $path, $origin }
		1468	}
1210		1469
1211	cf::sync_job {	1470	sub do_load_sync {
1212	my $map = cf::map::find_map $path, $origin	1471	my ($map) = @_;
		1472
		1473	cf::sync_job { $map->load };
		1474	}
		1475
		1476	our %MAP_PREFETCH;
		1477	our $MAP_PREFETCHER = Coro::async {
		1478	while () {
		1479	while (%MAP_PREFETCH) {
		1480	my $key = each %MAP_PREFETCH
1213	or return;	1481	or next;
		1482	my $path = delete $MAP_PREFETCH{$key};
		1483
		1484	my $map = find $path
		1485	or next;
1214	$map->load;	1486	$map->load;
1215	$map	1487	}
		1488	Coro::schedule;
1216	}	1489	}
		1490	};
		1491
		1492	sub find_async {
		1493	my ($path, $origin) = @_;
		1494
		1495	$path = new cf::path $path, $origin && $origin->path;
		1496	my $key = $path->as_string;
		1497
		1498	if (my $map = $cf::MAP{$key}) {
		1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1500	}
		1501
		1502	$MAP_PREFETCH{$key} = $path;
		1503	$MAP_PREFETCHER->ready;
		1504
		1505	()
1217	}	1506	}
1218		1507
1219	sub save {	1508	sub save {
1220	my ($self) = @_;	1509	my ($self) = @_;
1221		1510
		1511	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1512
1222	$self->{last_save} = $cf::RUNTIME;	1513	$self->{last_save} = $cf::RUNTIME;
1223		1514
1224	return unless $self->dirty;	1515	return unless $self->dirty;
1225		1516
1226	my $save = $self->{path}->save_path; utf8::encode $save;	1517	my $save = $self->{path}->save_path; utf8::encode $save;
1227	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1228		1519
1229	$self->{load_path} = $save;	1520	$self->{load_path} = $save;
1230		1521
1231	return if $self->{deny_save};	1522	return if $self->{deny_save};
		1523
		1524	local $self->{last_access} = $self->last_access;#d#
		1525
		1526	cf::async {
		1527	$_->contr->save for $self->players;
		1528	};
1232		1529
1233	if ($uniq) {	1530	if ($uniq) {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1235	$self->save_objects ($uniq, cf::IO_UNIQUES);	1532	$self->save_objects ($uniq, cf::IO_UNIQUES);
1236	} else {	1533	} else {
…		…
1239	}	1536	}
1240		1537
1241	sub swap_out {	1538	sub swap_out {
1242	my ($self) = @_;	1539	my ($self) = @_;
1243		1540
		1541	# save first because save cedes
		1542	$self->save;
		1543
		1544	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1545
1244	return if $self->players;	1546	return if $self->players;
1245	return if $self->in_memory != cf::MAP_IN_MEMORY;	1547	return if $self->in_memory != cf::MAP_IN_MEMORY;
1246	return if $self->{deny_save};	1548	return if $self->{deny_save};
1247		1549
1248	$self->save;
1249	$self->clear;	1550	$self->clear;
1250	$self->in_memory (cf::MAP_SWAPPED);	1551	$self->in_memory (cf::MAP_SWAPPED);
1251	}	1552	}
1252		1553
1253	sub reset_at {	1554	sub reset_at {
…		…
1267	my ($self) = @_;	1568	my ($self) = @_;
1268		1569
1269	$self->reset_at <= $cf::RUNTIME	1570	$self->reset_at <= $cf::RUNTIME
1270	}	1571	}
1271		1572
1272	sub unlink_save {
1273	my ($self) = @_;
1274
1275	utf8::encode (my $save = $self->{path}->save_path);
1276	aioreq_pri 3; IO::AIO::aio_unlink $save;
1277	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1278	}
1279
1280	sub rename {	1573	sub rename {
1281	my ($self, $new_path) = @_;	1574	my ($self, $new_path) = @_;
1282		1575
1283	$self->unlink_save;	1576	$self->{path}->unlink_save;
1284		1577
1285	delete $cf::MAP{$self->path};	1578	delete $cf::MAP{$self->path};
1286	$self->{path} = new cf::path $new_path;	1579	$self->{path} = new cf::path $new_path;
1287	$self->path ($self->{path}->as_string);	1580	$self->path ($self->{path}->as_string);
1288	$cf::MAP{$self->path} = $self;	1581	$cf::MAP{$self->path} = $self;
…		…
1291	}	1584	}
1292		1585
1293	sub reset {	1586	sub reset {
1294	my ($self) = @_;	1587	my ($self) = @_;
1295		1588
		1589	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1590
1296	return if $self->players;	1591	return if $self->players;
1297	return if $self->{path}{user_rel};#d#	1592	return if $self->{path}{user_rel};#d#
1298		1593
1299	warn "resetting map ", $self->path;#d#	1594	warn "resetting map ", $self->path;#d#
1300		1595
1301	delete $cf::MAP{$self->path};	1596	delete $cf::MAP{$self->path};
1302		1597
1303	$_->clear_links_to ($self) for values %cf::MAP;	1598	$_->clear_links_to ($self) for values %cf::MAP;
1304		1599
1305	$self->unlink_save;	1600	$self->{path}->unlink_save;
1306	$self->destroy;	1601	$self->destroy;
1307	}	1602	}
1308		1603
1309	my $nuke_counter = "aaaa";	1604	my $nuke_counter = "aaaa";
1310		1605
…		…
1315	$self->reset_timeout (1);	1610	$self->reset_timeout (1);
1316	$self->rename ("{nuke}/" . ($nuke_counter++));	1611	$self->rename ("{nuke}/" . ($nuke_counter++));
1317	$self->reset; # polite request, might not happen	1612	$self->reset; # polite request, might not happen
1318	}	1613	}
1319		1614
1320	sub customise_for {	1615	=item cf::map::unique_maps
1321	my ($map, $ob) = @_;
1322		1616
1323	if ($map->per_player) {	1617	Returns an arrayref of cf::path's of all shared maps that have
1324	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1618	instantiated unique items. May block.
1325	}
1326		1619
1327	$map	1620	=cut
1328	}
1329		1621
1330	sub emergency_save {	1622	sub unique_maps() {
1331	local $cf::FREEZE = 1;	1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1624	or return;
1332		1625
1333	warn "enter emergency map save\n";	1626	my @paths;
1334		1627
1335	cf::sync_job {	1628	for (@$files) {
1336	warn "begin emergency map save\n";	1629	utf8::decode $_;
1337	$_->save for values %cf::MAP;	1630	next if /\.pst$/;
		1631	next unless /^$PATH_SEP/o;
		1632
		1633	push @paths, new cf::path $_;
1338	};	1634	}
1339		1635
1340	warn "end emergency map save\n";	1636	\@paths
1341	}	1637	}
1342		1638
1343	package cf;	1639	package cf;
1344		1640
1345	=back	1641	=back
1346		1642
		1643	=head3 cf::object
		1644
		1645	=cut
		1646
		1647	package cf::object;
		1648
		1649	=over 4
		1650
		1651	=item $ob->inv_recursive
		1652
		1653	Returns the inventory of the object _and_ their inventories, recursively.
		1654
		1655	=cut
		1656
		1657	sub inv_recursive_;
		1658	sub inv_recursive_ {
		1659	map { $_, inv_recursive_ $_->inv } @_
		1660	}
		1661
		1662	sub inv_recursive {
		1663	inv_recursive_ inv $_[0]
		1664	}
		1665
		1666	package cf;
		1667
		1668	=back
1347		1669
1348	=head3 cf::object::player	1670	=head3 cf::object::player
1349		1671
1350	=over 4	1672	=over 4
1351		1673
…		…
1408	=cut	1730	=cut
1409		1731
1410	sub cf::object::player::enter_link {	1732	sub cf::object::player::enter_link {
1411	my ($self) = @_;	1733	my ($self) = @_;
1412		1734
		1735	$self->deactivate_recursive;
		1736
1413	return if $self->map == $LINK_MAP;	1737	return if $self->map == $LINK_MAP;
1414		1738
1415	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1416	if $self->map;	1740	if $self->map;
1417		1741
1418	$self->enter_map ($LINK_MAP, 20, 20);	1742	$self->enter_map ($LINK_MAP, 20, 20);
1419	$self->deactivate_recursive;
1420	}	1743	}
1421		1744
1422	sub cf::object::player::leave_link {	1745	sub cf::object::player::leave_link {
1423	my ($self, $map, $x, $y) = @_;	1746	my ($self, $map, $x, $y) = @_;
1424		1747
1425	my $link_pos = delete $self->{_link_pos};	1748	my $link_pos = delete $self->{_link_pos};
1426		1749
1427	unless ($map) {	1750	unless ($map) {
1428	# restore original map position	1751	# restore original map position
1429	($map, $x, $y) = @{ $link_pos || [] };	1752	($map, $x, $y) = @{ $link_pos || [] };
1430	$map = cf::map::find_map $map;	1753	$map = cf::map::find $map;
1431		1754
1432	unless ($map) {	1755	unless ($map) {
1433	($map, $x, $y) = @$EMERGENCY_POSITION;	1756	($map, $x, $y) = @$EMERGENCY_POSITION;
1434	$map = cf::map::find_map $map	1757	$map = cf::map::find $map
1435	or die "FATAL: cannot load emergency map\n";	1758	or die "FATAL: cannot load emergency map\n";
1436	}	1759	}
1437	}	1760	}
1438		1761
1439	($x, $y) = (-1, -1)	1762	($x, $y) = (-1, -1)
…		…
1442	# use -1 or undef as default coordinates, not 0, 0	1765	# use -1 or undef as default coordinates, not 0, 0
1443	($x, $y) = ($map->enter_x, $map->enter_y)	1766	($x, $y) = ($map->enter_x, $map->enter_y)
1444	if $x <=0 && $y <= 0;	1767	if $x <=0 && $y <= 0;
1445		1768
1446	$map->load;	1769	$map->load;
		1770	$map->load_diag;
1447		1771
		1772	return unless $self->contr->active;
1448	$self->activate_recursive;	1773	$self->activate_recursive;
1449	$self->enter_map ($map, $x, $y);	1774	$self->enter_map ($map, $x, $y);
1450	}	1775	}
1451		1776
		1777	cf::player->attach (
		1778	on_logout => sub {
		1779	my ($pl) = @_;
		1780
		1781	# abort map switching before logout
		1782	if ($pl->ob->{_link_pos}) {
		1783	cf::sync_job {
		1784	$pl->ob->leave_link
		1785	};
		1786	}
		1787	},
		1788	on_login => sub {
		1789	my ($pl) = @_;
		1790
		1791	# try to abort aborted map switching on player login :)
		1792	# should happen only on crashes
		1793	if ($pl->ob->{_link_pos}) {
		1794	$pl->ob->enter_link;
		1795	(async {
		1796	# we need this sleep as the login has a concurrent enter_exit running
		1797	# and this sleep increases chances of the player not ending up in scorn
		1798	$pl->ob->reply (undef,
		1799	"There was an internal problem at your last logout, "
		1800	. "the server will try to bring you to your intended destination in a second.",
		1801	cf::NDI_RED);
		1802	Coro::Timer::sleep 1;
		1803	$pl->ob->leave_link;
		1804	})->prio (2);
		1805	}
		1806	},
		1807	);
		1808
1452	=item $player_object->goto_map ($path, $x, $y)	1809	=item $player_object->goto ($path, $x, $y)
1453		1810
1454	=cut	1811	=cut
1455		1812
1456	sub cf::object::player::goto_map {	1813	sub cf::object::player::goto {
1457	my ($self, $path, $x, $y) = @_;	1814	my ($self, $path, $x, $y) = @_;
1458		1815
		1816	$path = new cf::path $path;
		1817
1459	$self->enter_link;	1818	$self->enter_link;
1460		1819
1461	(Coro::async {	1820	(async {
1462	$path = new cf::path $path;
1463
1464	my $map = cf::map::find_map $path->as_string;	1821	my $map = cf::map::find $path->as_string;
1465	$map = $map->customise_for ($self) if $map;	1822	$map = $map->{path}->customise_for ($map, $self) if $map;
1466		1823
1467	# warn "entering ", $map->path, " at ($x, $y)\n"	1824	# warn "entering ", $map->path, " at ($x, $y)\n"
1468	# if $map;	1825	# if $map;
1469		1826
1470	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1827	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1471		1828
1472	$self->leave_link ($map, $x, $y);	1829	$self->leave_link ($map, $x, $y);
1473	})->prio (1);	1830	})->prio (1);
1474	}	1831	}
1475		1832
…		…
1528		1885
1529	return unless $self->type == cf::PLAYER;	1886	return unless $self->type == cf::PLAYER;
1530		1887
1531	$self->enter_link;	1888	$self->enter_link;
1532		1889
1533	(Coro::async {	1890	(async {
		1891	$self->deactivate_recursive; # just to be sure
1534	unless (eval {	1892	unless (eval {
1535
1536	prepare_random_map $exit	1893	prepare_random_map $exit
1537	if $exit->slaying eq "/!";	1894	if $exit->slaying eq "/!";
1538		1895
1539	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1896	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1540	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1541		1898
1542	1;	1899	1;
1543	}) {	1900	}) {
1544	$self->message ("Something went wrong deep within the crossfire server. "	1901	$self->message ("Something went wrong deep within the crossfire server. "
1545	. "I'll try to bring you back to the map you were before. "	1902	. "I'll try to bring you back to the map you were before. "
1546	. "Please report this to the dungeon master",	1903	. "Please report this to the dungeon master!",
1547	cf::NDI_UNIQUE | cf::NDI_RED);	1904	cf::NDI_UNIQUE | cf::NDI_RED);
1548		1905
1549	warn "ERROR in enter_exit: $@";	1906	warn "ERROR in enter_exit: $@";
1550	$self->leave_link;	1907	$self->leave_link;
1551	}	1908	}
…		…
1602	on_reply => sub {	1959	on_reply => sub {
1603	my ($ns, $msg) = @_;	1960	my ($ns, $msg) = @_;
1604		1961
1605	# this weird shuffling is so that direct followup queries	1962	# this weird shuffling is so that direct followup queries
1606	# get handled first	1963	# get handled first
1607	my $queue = delete $ns->{query_queue};	1964	my $queue = delete $ns->{query_queue}
		1965	or return; # be conservative, not sure how that can happen, but we saw a crash here
1608		1966
1609	(shift @$queue)->[1]->($msg);	1967	(shift @$queue)->[1]->($msg);
1610		1968
1611	push @{ $ns->{query_queue} }, @$queue;	1969	push @{ $ns->{query_queue} }, @$queue;
1612		1970
…		…
1618	}	1976	}
1619	}	1977	}
1620	},	1978	},
1621	);	1979	);
1622		1980
1623	=item $client->coro (\&cb)	1981	=item $client->async (\&cb)
1624		1982
1625	Create a new coroutine, running the specified callback. The coroutine will	1983	Create a new coroutine, running the specified callback. The coroutine will
1626	be automatically cancelled when the client gets destroyed (e.g. on logout,	1984	be automatically cancelled when the client gets destroyed (e.g. on logout,
1627	or loss of connection).	1985	or loss of connection).
1628		1986
1629	=cut	1987	=cut
1630		1988
1631	sub cf::client::coro {	1989	sub cf::client::async {
1632	my ($self, $cb) = @_;	1990	my ($self, $cb) = @_;
1633		1991
1634	my $coro; $coro = async {	1992	my $coro = &Coro::async ($cb);
1635	eval {
1636	$cb->();
1637	};
1638	warn $@ if $@;
1639	};
1640		1993
1641	$coro->on_destroy (sub {	1994	$coro->on_destroy (sub {
1642	delete $self->{_coro}{$coro+0};	1995	delete $self->{_coro}{$coro+0};
1643	});	1996	});
1644		1997
…		…
1816		2169
1817	{	2170	{
1818	my $path = cf::localdir . "/database.pst";	2171	my $path = cf::localdir . "/database.pst";
1819		2172
1820	sub db_load() {	2173	sub db_load() {
1821	warn "loading database $path\n";#d# remove later
1822	$DB = stat $path ? Storable::retrieve $path : { };	2174	$DB = stat $path ? Storable::retrieve $path : { };
1823	}	2175	}
1824		2176
1825	my $pid;	2177	my $pid;
1826		2178
1827	sub db_save() {	2179	sub db_save() {
1828	warn "saving database $path\n";#d# remove later
1829	waitpid $pid, 0 if $pid;	2180	waitpid $pid, 0 if $pid;
1830	if (0 == ($pid = fork)) {	2181	if (0 == ($pid = fork)) {
1831	$DB->{_meta}{version} = 1;	2182	$DB->{_meta}{version} = 1;
1832	Storable::nstore $DB, "$path~";	2183	Storable::nstore $DB, "$path~";
1833	rename "$path~", $path;	2184	rename "$path~", $path;
…		…
1881	open my $fh, "<:utf8", cf::confdir . "/config"	2232	open my $fh, "<:utf8", cf::confdir . "/config"
1882	or return;	2233	or return;
1883		2234
1884	local $/;	2235	local $/;
1885	*CFG = YAML::Syck::Load <$fh>;	2236	*CFG = YAML::Syck::Load <$fh>;
		2237
		2238	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2239
		2240	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2241	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2242
		2243	if (exists $CFG{mlockall}) {
		2244	eval {
		2245	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2246	and die "WARNING: m(un)lockall failed: $!\n";
		2247	};
		2248	warn $@ if $@;
		2249	}
1886	}	2250	}
1887		2251
1888	sub main {	2252	sub main {
1889	# we must not ever block the main coroutine	2253	# we must not ever block the main coroutine
1890	local $Coro::idle = sub {	2254	local $Coro::idle = sub {
1891	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1892	(Coro::unblock_sub {
1893	Event::one_event;	2256	async { Event::one_event };
1894	})->();
1895	};	2257	};
1896		2258
1897	cfg_load;	2259	cfg_load;
1898	db_load;	2260	db_load;
1899	load_extensions;	2261	load_extensions;
1900	Event::loop;	2262	Event::loop;
1901	}	2263	}
1902		2264
1903	#############################################################################	2265	#############################################################################
1904	# initialisation	2266	# initialisation and cleanup
		2267
		2268	# install some emergency cleanup handlers
		2269	BEGIN {
		2270	for my $signal (qw(INT HUP TERM)) {
		2271	Event->signal (
		2272	data => WF_AUTOCANCEL,
		2273	signal => $signal,
		2274	cb => sub {
		2275	cf::cleanup "SIG$signal";
		2276	},
		2277	);
		2278	}
		2279	}
		2280
		2281	sub emergency_save() {
		2282	my $freeze_guard = cf::freeze_mainloop;
		2283
		2284	warn "enter emergency perl save\n";
		2285
		2286	cf::sync_job {
		2287	# use a peculiar iteration method to avoid tripping on perl
		2288	# refcount bugs in for. also avoids problems with players
		2289	# and maps saved/Destroyed asynchronously.
		2290	warn "begin emergency player save\n";
		2291	for my $login (keys %cf::PLAYER) {
		2292	my $pl = $cf::PLAYER{$login} or next;
		2293	$pl->valid or next;
		2294	$pl->save;
		2295	}
		2296	warn "end emergency player save\n";
		2297
		2298	warn "begin emergency map save\n";
		2299	for my $path (keys %cf::MAP) {
		2300	my $map = $cf::MAP{$path} or next;
		2301	$map->valid or next;
		2302	$map->save;
		2303	}
		2304	warn "end emergency map save\n";
		2305	};
		2306
		2307	warn "leave emergency perl save\n";
		2308	}
1905		2309
1906	sub reload() {	2310	sub reload() {
1907	# can/must only be called in main	2311	# can/must only be called in main
1908	if ($Coro::current != $Coro::main) {	2312	if ($Coro::current != $Coro::main) {
1909	warn "can only reload from main coroutine\n";	2313	warn "can only reload from main coroutine\n";
1910	return;	2314	return;
1911	}	2315	}
1912		2316
1913	warn "reloading...";	2317	warn "reloading...";
1914		2318
1915	local $FREEZE = 1;	2319	warn "freezing server";
		2320	my $guard = freeze_mainloop;
1916	cf::emergency_save;	2321	cf::emergency_save;
		2322
		2323	warn "sync database to disk";
		2324	cf::db_sync;
		2325	IO::AIO::flush;
1917		2326
1918	eval {	2327	eval {
1919	# if anything goes wrong in here, we should simply crash as we already saved	2328	# if anything goes wrong in here, we should simply crash as we already saved
1920		2329
1921	# cancel all watchers	2330	warn "cancel all watchers";
1922	for (Event::all_watchers) {	2331	for (Event::all_watchers) {
1923	$_->cancel if $_->data & WF_AUTOCANCEL;	2332	$_->cancel if $_->data & WF_AUTOCANCEL;
1924	}	2333	}
1925		2334
1926	# cancel all extension coros	2335	warn "cancel all extension coros";
1927	$_->cancel for values %EXT_CORO;	2336	$_->cancel for values %EXT_CORO;
1928	%EXT_CORO = ();	2337	%EXT_CORO = ();
1929		2338
		2339	warn "remove commands";
		2340	%COMMAND = ();
		2341
		2342	warn "remove ext commands";
		2343	%EXTCMD = ();
		2344
1930	# unload all extensions	2345	warn "unload/nuke all extensions";
1931	for (@exts) {	2346	for my $pkg (@EXTS) {
1932	warn "unloading <$_>";	2347	warn "... unloading $pkg";
1933	unload_extension $_;	2348
		2349	if (my $cb = $pkg->can ("unload")) {
		2350	eval {
		2351	$cb->($pkg);
		2352	1
		2353	} or warn "$pkg unloaded, but with errors: $@";
1934	}	2354	}
1935		2355
		2356	warn "... nuking $pkg";
		2357	Symbol::delete_package $pkg;
		2358	}
		2359
1936	# unload all modules loaded from $LIBDIR	2360	warn "unload all perl modules loaded from $LIBDIR";
1937	while (my ($k, $v) = each %INC) {	2361	while (my ($k, $v) = each %INC) {
1938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1939		2363
1940	warn "removing <$k>";	2364	warn "removing <$k>";
1941	delete $INC{$k};	2365	delete $INC{$k};
…		…
1948	}	2372	}
1949		2373
1950	Symbol::delete_package $k;	2374	Symbol::delete_package $k;
1951	}	2375	}
1952		2376
1953	# sync database to disk
1954	cf::db_sync;
1955	IO::AIO::flush;
1956
1957	# get rid of safe::, as good as possible	2377	warn "get rid of safe::, as good as possible";
1958	Symbol::delete_package "safe::$_"	2378	Symbol::delete_package "safe::$_"
1959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2379	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1960		2380
1961	# remove register_script_function callbacks
1962	# TODO
1963
1964	# unload cf.pm "a bit"	2381	warn "unload cf.pm \"a bit\"";
1965	delete $INC{"cf.pm"};	2382	delete $INC{"cf.pm"};
1966		2383
1967	# don't, removes xs symbols, too,	2384	# don't, removes xs symbols, too,
1968	# and global variables created in xs	2385	# and global variables created in xs
1969	#Symbol::delete_package __PACKAGE__;	2386	#Symbol::delete_package __PACKAGE__;
1970		2387
1971	# reload cf.pm
1972	warn "reloading cf.pm";	2388	warn "reloading cf.pm";
1973	require cf;	2389	require cf;
1974	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1975		2391
1976	# load config and database again	2392	warn "load config and database again";
1977	cf::cfg_load;	2393	cf::cfg_load;
1978	cf::db_load;	2394	cf::db_load;
1979		2395
1980	# load extensions
1981	warn "load extensions";	2396	warn "load extensions";
1982	cf::load_extensions;	2397	cf::load_extensions;
1983		2398
1984	# reattach attachments to objects	2399	warn "reattach attachments to objects/players";
1985	warn "reattach";
1986	_global_reattach;	2400	_global_reattach;
		2401	warn "reattach attachments to maps";
		2402	reattach $_ for values %MAP;
1987	};	2403	};
1988		2404
1989	if ($@) {	2405	if ($@) {
1990	warn $@;	2406	warn $@;
1991	warn "error while reloading, exiting.";	2407	warn "error while reloading, exiting.";
1992	exit 1;	2408	exit 1;
1993	}	2409	}
1994		2410
1995	warn "reloaded successfully";	2411	warn "reloaded";
1996	};	2412	};
1997		2413
1998	#############################################################################	2414	#############################################################################
1999		2415
2000	unless ($LINK_MAP) {	2416	unless ($LINK_MAP) {
…		…
2007	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2008	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2009		2425
2010	# dirty hack because... archetypes are not yet loaded	2426	# dirty hack because... archetypes are not yet loaded
2011	Event->timer (	2427	Event->timer (
2012	after => 2,	2428	after => 10,
2013	cb => sub {	2429	cb => sub {
2014	$_[0]->w->cancel;	2430	$_[0]->w->cancel;
2015		2431
2016	# provide some exits "home"	2432	# provide some exits "home"
2017	my $exit = cf::object::new "exit";	2433	my $exit = cf::object::new "exit";
…		…
2036	$LINK_MAP->{deny_reset} = 1;	2452	$LINK_MAP->{deny_reset} = 1;
2037		2453
2038	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;	2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2039	}	2455	}
2040		2456
2041	register "<global>", __PACKAGE__;
2042
2043	register_command "reload" => sub {	2457	register_command "reload" => sub {
2044	my ($who, $arg) = @_;	2458	my ($who, $arg) = @_;
2045		2459
2046	if ($who->flag (FLAG_WIZ)) {	2460	if ($who->flag (FLAG_WIZ)) {
2047	$who->message ("start of reload.");	2461	$who->message ("start of reload.");
…		…
2056	reentrant => 0,	2470	reentrant => 0,
2057	prio => 0,	2471	prio => 0,
2058	at => $NEXT_TICK || $TICK,	2472	at => $NEXT_TICK || $TICK,
2059	data => WF_AUTOCANCEL,	2473	data => WF_AUTOCANCEL,
2060	cb => sub {	2474	cb => sub {
2061	unless ($FREEZE) {	2475	$NOW = Event::time;
		2476
2062	cf::server_tick; # one server iteration	2477	cf::server_tick; # one server iteration
2063	$RUNTIME += $TICK;	2478	$RUNTIME += $TICK;
2064	}
2065
2066	$NEXT_TICK += $TICK;	2479	$NEXT_TICK += $TICK;
		2480
		2481	$WAIT_FOR_TICK->broadcast;
		2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2067		2483
2068	# if we are delayed by four ticks or more, skip them all	2484	# if we are delayed by four ticks or more, skip them all
2069	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2070		2486
2071	$TICK_WATCHER->at ($NEXT_TICK);	2487	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2093	or warn "ERROR: unable to write runtime file: $!";	2509	or warn "ERROR: unable to write runtime file: $!";
2094	})->();	2510	})->();
2095	},	2511	},
2096	);	2512	);
2097		2513
		2514	END { cf::emergency_save }
		2515
2098	1	2516	1
2099		2517

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