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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 1.161 by root, Thu Jan 11 00:16:58 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;
361	$path	477	$path
362	}	478	}
363		479
364	# the original (read-only) location	480	# the original (read-only) location
365	sub load_path {	481	sub load_path {
…		…
375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path	491	$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}	492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path	493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
378	}	494	}
379		495
380	# the unique path, might be eq to save_path	496	# the unique path, undef == no special unique path
381	sub uniq_path {	497	sub uniq_path {
382	my ($self) = @_;	498	my ($self) = @_;
383		499
384	$self->{user_rel} || $self->{random}
385	? undef
386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	500	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	}	501	}
395		502
396	# this is somewhat ugly, but style maps do need special treatment	503	# this is somewhat ugly, but style maps do need special treatment
397	sub is_style_map {	504	sub is_style_map {
398	$_[0]{path} =~ m{^/styles/}	505	$_[0]{path} =~ m{^/styles/}
		506	}
		507
		508	sub load_orig {
		509	my ($self) = @_;
		510
		511	&cf::map::load_map_header ($self->load_path)
		512	}
		513
		514	sub load_temp {
		515	my ($self) = @_;
		516
		517	&cf::map::load_map_header ($self->save_path)
399	}	518	}
400		519
401	package cf;	520	package cf;
402		521
403	#############################################################################	522	#############################################################################
…		…
853	=cut	972	=cut
854		973
855	sub register_extcmd {	974	sub register_extcmd {
856	my ($name, $cb) = @_;	975	my ($name, $cb) = @_;
857		976
858	my $caller = caller;
859	#warn "registering extcmd '$name' to '$caller'";
860
861	$EXTCMD{$name} = [$cb, $caller];	977	$EXTCMD{$name} = $cb;
862	}	978	}
863		979
864	cf::player->attach (	980	cf::player->attach (
865	on_command => sub {	981	on_command => sub {
866	my ($pl, $name, $params) = @_;	982	my ($pl, $name, $params) = @_;
…		…
879		995
880	my $msg = eval { from_json $buf };	996	my $msg = eval { from_json $buf };
881		997
882	if (ref $msg) {	998	if (ref $msg) {
883	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	999	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
884	if (my %reply = $cb->[0]->($pl, $msg)) {	1000	if (my %reply = $cb->($pl, $msg)) {
885	$pl->ext_reply ($msg->{msgid}, %reply);	1001	$pl->ext_reply ($msg->{msgid}, %reply);
886	}	1002	}
887	}	1003	}
888	} else {	1004	} else {
889	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1005	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
891		1007
892	cf::override;	1008	cf::override;
893	},	1009	},
894	);	1010	);
895		1011
896	sub register {
897	my ($base, $pkg) = @_;
898
899	#TODO
900	}
901
902	sub load_extension {	1012	sub load_extension {
903	my ($path) = @_;	1013	my ($path) = @_;
904		1014
905	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1015	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
906	my $base = $1;	1016	my $base = $1;
907	my $pkg = $1;	1017	my $pkg = $1;
908	$pkg =~ s/[^[:word:]]/_/g;	1018	$pkg =~ s/[^[:word:]]/_/g;
909	$pkg = "ext::$pkg";	1019	$pkg = "ext::$pkg";
910		1020
911	warn "loading '$path' into '$pkg'\n";	1021	warn "... loading '$path' into '$pkg'\n";
912		1022
913	open my $fh, "<:utf8", $path	1023	open my $fh, "<:utf8", $path
914	or die "$path: $!";	1024	or die "$path: $!";
915		1025
916	my $source =	1026	my $source =
…		…
921		1031
922	eval $source	1032	eval $source
923	or die $@ ? "$path: $@\n"	1033	or die $@ ? "$path: $@\n"
924	: "extension disabled.\n";	1034	: "extension disabled.\n";
925		1035
926	push @exts, $pkg;	1036	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	}	1037	}
971		1038
972	sub load_extensions {	1039	sub load_extensions {
973	for my $ext (<$LIBDIR/*.ext>) {	1040	for my $ext (<$LIBDIR/*.ext>) {
974	next unless -r $ext;	1041	next unless -r $ext;
…		…
992	};	1059	};
993		1060
994	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
995		1062
996	#############################################################################	1063	#############################################################################
997	# load/save perl data associated with player->ob objects
998
999	sub all_objects(@) {
1000	@_, map all_objects ($_->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		1064
1020	=head2 CORE EXTENSIONS	1065	=head2 CORE EXTENSIONS
1021		1066
1022	Functions and methods that extend core crossfire objects.	1067	Functions and methods that extend core crossfire objects.
1023		1068
		1069	=cut
		1070
		1071	package cf::player;
		1072
		1073	use Coro::AIO;
		1074
1024	=head3 cf::player	1075	=head3 cf::player
1025		1076
1026	=over 4	1077	=over 4
1027		1078
1028	=item cf::player::exists $login	1079	=item cf::player::find $login
1029		1080
1030	Returns true when the given account exists.	1081	Returns the given player object, loading it if necessary (might block).
1031		1082
1032	=cut	1083	=cut
1033		1084
1034	sub cf::player::exists($) {	1085	sub playerdir($) {
1035	cf::player::find $_[0]	1086	cf::localdir
1036	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1087	. "/"
		1088	. cf::playerdir
		1089	. "/"
		1090	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1091	}
		1092
		1093	sub path($) {
		1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1095
		1096	(playerdir $login) . "/$login.pl"
		1097	}
		1098
		1099	sub find_active($) {
		1100	$cf::PLAYER{$_[0]}
		1101	and $cf::PLAYER{$_[0]}->active
		1102	and $cf::PLAYER{$_[0]}
		1103	}
		1104
		1105	sub exists($) {
		1106	my ($login) = @_;
		1107
		1108	$cf::PLAYER{$login}
		1109	or cf::sync_job { !aio_stat $login }
		1110	}
		1111
		1112	sub find($) {
		1113	return $cf::PLAYER{$_[0]} || do {
		1114	my $login = $_[0];
		1115
		1116	my $guard = cf::lock_acquire "user_find:$login";
		1117
		1118	$cf::PLAYER{$_[0]} || do {
		1119	my $pl = load_pl path $login
		1120	or return;
		1121	$cf::PLAYER{$login} = $pl
		1122	}
		1123	}
		1124	}
		1125
		1126	sub save($) {
		1127	my ($pl) = @_;
		1128
		1129	return if $pl->{deny_save};
		1130
		1131	my $path = path $pl;
		1132	my $guard = cf::lock_acquire "user_save:$path";
		1133
		1134	return if $pl->{deny_save};
		1135
		1136	aio_mkdir playerdir $pl, 0770;
		1137	$pl->{last_save} = $cf::RUNTIME;
		1138
		1139	$pl->save_pl ($path);
		1140	Coro::cede;
		1141	}
		1142
		1143	sub new($) {
		1144	my ($login) = @_;
		1145
		1146	my $self = create;
		1147
		1148	$self->ob->name ($login);
		1149	$self->{deny_save} = 1;
		1150
		1151	$cf::PLAYER{$login} = $self;
		1152
		1153	$self
		1154	}
		1155
		1156	=item $pl->quit_character
		1157
		1158	Nukes the player without looking back. If logged in, the connection will
		1159	be destroyed. May block for a long time.
		1160
		1161	=cut
		1162
		1163	sub quit_character {
		1164	my ($pl) = @_;
		1165
		1166	$pl->{deny_save} = 1;
		1167	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1168
		1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1170	$pl->deactivate;
		1171	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1172	$pl->ns->destroy if $pl->ns;
		1173
		1174	my $path = playerdir $pl;
		1175	my $temp = "$path~$cf::RUNTIME~deleting~";
		1176	aio_rename $path, $temp;
		1177	delete $cf::PLAYER{$pl->ob->name};
		1178	$pl->destroy;
		1179	IO::AIO::aio_rmtree $temp;
		1180	}
		1181
		1182	=item cf::player::list_logins
		1183
		1184	Returns am arrayref of all valid playernames in the system, can take a
		1185	while and may block, so not sync_job-capable, ever.
		1186
		1187	=cut
		1188
		1189	sub list_logins {
		1190	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1191	or return [];
		1192
		1193	my @logins;
		1194
		1195	for my $login (@$dirs) {
		1196	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1197	aio_read $fh, 0, 512, my $buf, 0 or next;
		1198	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1199
		1200	utf8::decode $login;
		1201	push @logins, $login;
		1202	}
		1203
		1204	\@logins
		1205	}
		1206
		1207	=item $player->maps
		1208
		1209	Returns an arrayref of cf::path's of all maps that are private for this
		1210	player. May block.
		1211
		1212	=cut
		1213
		1214	sub maps($) {
		1215	my ($pl) = @_;
		1216
		1217	my $files = aio_readdir playerdir $pl
		1218	or return;
		1219
		1220	my @paths;
		1221
		1222	for (@$files) {
		1223	utf8::decode $_;
		1224	next if /\.(?:pl|pst)$/;
		1225	next unless /^$PATH_SEP/o;
		1226
		1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
		1228	}
		1229
		1230	\@paths
1037	}	1231	}
1038		1232
1039	=item $player->ext_reply ($msgid, $msgtype, %msg)	1233	=item $player->ext_reply ($msgid, $msgtype, %msg)
1040		1234
1041	Sends an ext reply to the player.	1235	Sends an ext reply to the player.
1042		1236
1043	=cut	1237	=cut
1044		1238
1045	sub cf::player::ext_reply($$$%) {	1239	sub ext_reply($$$%) {
1046	my ($self, $id, %msg) = @_;	1240	my ($self, $id, %msg) = @_;
1047		1241
1048	$msg{msgid} = $id;	1242	$msg{msgid} = $id;
1049		1243
1050	$self->send ("ext " . to_json \%msg);	1244	$self->send ("ext " . cf::to_json \%msg);
1051	}	1245	}
		1246
		1247	package cf;
1052		1248
1053	=back	1249	=back
1054		1250
1055		1251
1056	=head3 cf::map	1252	=head3 cf::map
…		…
1062	package cf::map;	1258	package cf::map;
1063		1259
1064	use Fcntl;	1260	use Fcntl;
1065	use Coro::AIO;	1261	use Coro::AIO;
1066		1262
1067	our $MAX_RESET = 7200;	1263	our $MAX_RESET = 3600;
1068	our $DEFAULT_RESET = 3600;	1264	our $DEFAULT_RESET = 3000;
1069		1265
1070	sub generate_random_map {	1266	sub generate_random_map {
1071	my ($path, $rmp) = @_;	1267	my ($path, $rmp) = @_;
1072		1268
1073	# mit "rum" bekleckern, nicht	1269	# mit "rum" bekleckern, nicht
…		…
1089	# and all this just because we cannot iterate over	1285	# and all this just because we cannot iterate over
1090	# all maps in C++...	1286	# all maps in C++...
1091	sub change_all_map_light {	1287	sub change_all_map_light {
1092	my ($change) = @_;	1288	my ($change) = @_;
1093		1289
1094	$_->change_map_light ($change) for values %cf::MAP;	1290	$_->change_map_light ($change)
		1291	for grep $_->outdoor, values %cf::MAP;
1095	}	1292	}
1096		1293
1097	sub try_load_header($) {	1294	sub load_map_header($) {
1098	my ($path) = @_;	1295	my ($path) = @_;
1099		1296
1100	utf8::encode $path;	1297	utf8::encode $path;
1101	aio_open $path, O_RDONLY, 0	1298	aio_open $path, O_RDONLY, 0
1102	or return;	1299	or return;
1103		1300
1104	my $map = cf::map::new	1301	my $map = cf::map::new
1105	or return;	1302	or return;
1106		1303
		1304	# for better error messages only, will be overwritten later
		1305	$map->path ($path);
		1306
1107	$map->load_header ($path)	1307	$map->load_header ($path)
1108	or return;	1308	or return;
1109		1309
1110	$map->{load_path} = $path;	1310	$map->{load_path} = $path;
1111		1311
1112	$map	1312	$map
1113	}	1313	}
1114		1314
		1315	sub find;
1115	sub find_map {	1316	sub find {
1116	my ($path, $origin) = @_;	1317	my ($path, $origin) = @_;
1117		1318
1118	#warn "find_map<$path,$origin>\n";#d#	1319	#warn "find<$path,$origin>\n";#d#
1119		1320
1120	$path = new cf::path $path, $origin && $origin->path;	1321	$path = new cf::path $path, $origin && $origin->path;
1121	my $key = $path->as_string;	1322	my $key = $path->as_string;
1122		1323
		1324	cf::lock_wait "map_find:$key";
		1325
1123	$cf::MAP{$key} || do {	1326	$cf::MAP{$key} || do {
		1327	my $guard = cf::lock_acquire "map_find:$key";
		1328
1124	# do it the slow way	1329	# do it the slow way
1125	my $map = try_load_header $path->save_path;	1330	my $map = $path->load_temp;
		1331
		1332	Coro::cede;
1126		1333
1127	if ($map) {	1334	if ($map) {
		1335	$map->last_access ((delete $map->{last_access})
		1336	|| $cf::RUNTIME); #d#
1128	# safety	1337	# safety
1129	$map->{instantiate_time} = $cf::RUNTIME	1338	$map->{instantiate_time} = $cf::RUNTIME
1130	if $map->{instantiate_time} > $cf::RUNTIME;	1339	if $map->{instantiate_time} > $cf::RUNTIME;
1131	} else {	1340	} else {
1132	if (my $rmp = $path->random_map_params) {	1341	$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;	1342	or return;
1139		1343
1140	$map->{load_original} = 1;	1344	$map->{load_original} = 1;
1141	$map->{instantiate_time} = $cf::RUNTIME;	1345	$map->{instantiate_time} = $cf::RUNTIME;
		1346	$map->last_access ($cf::RUNTIME);
1142	$map->instantiate;	1347	$map->instantiate;
1143		1348
1144	# per-player maps become, after loading, normal maps	1349	# per-player maps become, after loading, normal maps
1145	$map->per_player (0) if $path->{user_rel};	1350	$map->per_player (0) if $path->{user_rel};
1146	}	1351	}
1147	#Coro::Timer::sleep 1;#d#
1148		1352
1149	$map->path ($key);	1353	$map->path ($key);
1150	$map->{path} = $path;	1354	$map->{path} = $path;
1151	$map->{last_save} = $cf::RUNTIME;	1355	$map->{last_save} = $cf::RUNTIME;
1152	$map->last_access ($cf::RUNTIME);	1356
		1357	Coro::cede;
1153		1358
1154	if ($map->should_reset) {	1359	if ($map->should_reset) {
1155	$map->reset;	1360	$map->reset;
		1361	undef $guard;
1156	$map = find_map $path;	1362	$map = find $path
		1363	or return;
1157	}	1364	}
1158		1365
1159	$cf::MAP{$key} = $map	1366	$cf::MAP{$key} = $map
1160	}	1367	}
1161	}	1368	}
1162		1369
1163	sub load {	1370	sub load {
1164	my ($self) = @_;	1371	my ($self) = @_;
1165		1372
		1373	my $path = $self->{path};
		1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1375
1166	return if $self->in_memory != cf::MAP_SWAPPED;	1376	return if $self->in_memory != cf::MAP_SWAPPED;
1167		1377
1168	$self->in_memory (cf::MAP_LOADING);	1378	$self->in_memory (cf::MAP_LOADING);
1169
1170	my $path = $self->{path};
1171		1379
1172	$self->alloc;	1380	$self->alloc;
1173	$self->load_objects ($self->{load_path}, 1)	1381	$self->load_objects ($self->{load_path}, 1)
1174	or return;	1382	or return;
1175		1383
…		…
1181	if (aio_open $uniq, O_RDONLY, 0) {	1389	if (aio_open $uniq, O_RDONLY, 0) {
1182	$self->clear_unique_items;	1390	$self->clear_unique_items;
1183	$self->load_objects ($uniq, 0);	1391	$self->load_objects ($uniq, 0);
1184	}	1392	}
1185	}	1393	}
		1394
		1395	Coro::cede;
1186		1396
1187	# now do the right thing for maps	1397	# now do the right thing for maps
1188	$self->link_multipart_objects;	1398	$self->link_multipart_objects;
1189		1399
1190	if ($self->{path}->is_style_map) {	1400	if ($self->{path}->is_style_map) {
…		…
1198	$self->difficulty ($self->estimate_difficulty)	1408	$self->difficulty ($self->estimate_difficulty)
1199	unless $self->difficulty;	1409	unless $self->difficulty;
1200	$self->activate;	1410	$self->activate;
1201	}	1411	}
1202		1412
		1413	Coro::cede;
		1414
1203	$self->in_memory (cf::MAP_IN_MEMORY);	1415	$self->in_memory (cf::MAP_IN_MEMORY);
1204	}	1416	}
1205		1417
1206	sub load_map_sync {	1418	# find and load all maps in the 3x3 area around a map
		1419	sub load_diag {
		1420	my ($map) = @_;
		1421
		1422	my @diag; # diagonal neighbours
		1423
		1424	for (0 .. 3) {
		1425	my $neigh = $map->tile_path ($_)
		1426	or next;
		1427	$neigh = find $neigh, $map
		1428	or next;
		1429	$neigh->load;
		1430
		1431	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1432	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1433	}
		1434
		1435	for (@diag) {
		1436	my $neigh = find @$_
		1437	or next;
		1438	$neigh->load;
		1439	}
		1440	}
		1441
		1442	sub find_sync {
1207	my ($path, $origin) = @_;	1443	my ($path, $origin) = @_;
1208		1444
1209	#warn "load_map_sync<$path, $origin>\n";#d#	1445	cf::sync_job { find $path, $origin }
		1446	}
1210		1447
1211	cf::sync_job {	1448	sub do_load_sync {
1212	my $map = cf::map::find_map $path, $origin	1449	my ($map) = @_;
		1450
		1451	cf::sync_job { $map->load };
		1452	}
		1453
		1454	our %MAP_PREFETCH;
		1455	our $MAP_PREFETCHER = Coro::async {
		1456	while () {
		1457	while (%MAP_PREFETCH) {
		1458	my $key = each %MAP_PREFETCH
1213	or return;	1459	or next;
		1460	my $path = delete $MAP_PREFETCH{$key};
		1461
		1462	my $map = find $path
		1463	or next;
1214	$map->load;	1464	$map->load;
1215	$map	1465	}
		1466	Coro::schedule;
1216	}	1467	}
		1468	};
		1469
		1470	sub find_async {
		1471	my ($path, $origin) = @_;
		1472
		1473	$path = new cf::path $path, $origin && $origin->path;
		1474	my $key = $path->as_string;
		1475
		1476	if (my $map = $cf::MAP{$key}) {
		1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1478	}
		1479
		1480	$MAP_PREFETCH{$key} = $path;
		1481	$MAP_PREFETCHER->ready;
		1482
		1483	()
1217	}	1484	}
1218		1485
1219	sub save {	1486	sub save {
1220	my ($self) = @_;	1487	my ($self) = @_;
1221		1488
		1489	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1490
1222	$self->{last_save} = $cf::RUNTIME;	1491	$self->{last_save} = $cf::RUNTIME;
1223		1492
1224	return unless $self->dirty;	1493	return unless $self->dirty;
1225		1494
1226	my $save = $self->{path}->save_path; utf8::encode $save;	1495	my $save = $self->{path}->save_path; utf8::encode $save;
1227	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1228		1497
1229	$self->{load_path} = $save;	1498	$self->{load_path} = $save;
1230		1499
1231	return if $self->{deny_save};	1500	return if $self->{deny_save};
		1501
		1502	local $self->{last_access} = $self->last_access;#d#
		1503
		1504	cf::async {
		1505	$_->contr->save for $self->players;
		1506	};
1232		1507
1233	if ($uniq) {	1508	if ($uniq) {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1235	$self->save_objects ($uniq, cf::IO_UNIQUES);	1510	$self->save_objects ($uniq, cf::IO_UNIQUES);
1236	} else {	1511	} else {
…		…
1239	}	1514	}
1240		1515
1241	sub swap_out {	1516	sub swap_out {
1242	my ($self) = @_;	1517	my ($self) = @_;
1243		1518
		1519	# save first because save cedes
		1520	$self->save;
		1521
		1522	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1523
1244	return if $self->players;	1524	return if $self->players;
1245	return if $self->in_memory != cf::MAP_IN_MEMORY;	1525	return if $self->in_memory != cf::MAP_IN_MEMORY;
1246	return if $self->{deny_save};	1526	return if $self->{deny_save};
1247		1527
1248	$self->save;
1249	$self->clear;	1528	$self->clear;
1250	$self->in_memory (cf::MAP_SWAPPED);	1529	$self->in_memory (cf::MAP_SWAPPED);
1251	}	1530	}
1252		1531
1253	sub reset_at {	1532	sub reset_at {
…		…
1291	}	1570	}
1292		1571
1293	sub reset {	1572	sub reset {
1294	my ($self) = @_;	1573	my ($self) = @_;
1295		1574
		1575	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1576
1296	return if $self->players;	1577	return if $self->players;
1297	return if $self->{path}{user_rel};#d#	1578	return if $self->{path}{user_rel};#d#
1298		1579
1299	warn "resetting map ", $self->path;#d#	1580	warn "resetting map ", $self->path;#d#
1300		1581
…		…
1319		1600
1320	sub customise_for {	1601	sub customise_for {
1321	my ($map, $ob) = @_;	1602	my ($map, $ob) = @_;
1322		1603
1323	if ($map->per_player) {	1604	if ($map->per_player) {
1324	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1325	}	1606	}
1326		1607
1327	$map	1608	$map
1328	}	1609	}
1329		1610
1330	sub emergency_save {	1611	=item cf::map::unique_maps
1331	local $cf::FREEZE = 1;
1332		1612
1333	warn "enter emergency map save\n";	1613	Returns an arrayref of cf::path's of all shared maps that have
		1614	instantiated unique items. May block.
1334		1615
1335	cf::sync_job {	1616	=cut
1336	warn "begin emergency map save\n";	1617
1337	$_->save for values %cf::MAP;	1618	sub unique_maps() {
		1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1620	or return;
		1621
		1622	my @paths;
		1623
		1624	for (@$files) {
		1625	utf8::decode $_;
		1626	next if /\.pst$/;
		1627	next unless /^$PATH_SEP/o;
		1628
		1629	push @paths, new cf::path $_;
1338	};	1630	}
1339		1631
1340	warn "end emergency map save\n";	1632	\@paths
1341	}	1633	}
1342		1634
1343	package cf;	1635	package cf;
1344		1636
1345	=back	1637	=back
1346		1638
		1639	=head3 cf::object
		1640
		1641	=cut
		1642
		1643	package cf::object;
		1644
		1645	=over 4
		1646
		1647	=item $ob->inv_recursive
		1648
		1649	Returns the inventory of the object _and_ their inventories, recursively.
		1650
		1651	=cut
		1652
		1653	sub inv_recursive_;
		1654	sub inv_recursive_ {
		1655	map { $_, inv_recursive_ $_->inv } @_
		1656	}
		1657
		1658	sub inv_recursive {
		1659	inv_recursive_ inv $_[0]
		1660	}
		1661
		1662	package cf;
		1663
		1664	=back
1347		1665
1348	=head3 cf::object::player	1666	=head3 cf::object::player
1349		1667
1350	=over 4	1668	=over 4
1351		1669
…		…
1408	=cut	1726	=cut
1409		1727
1410	sub cf::object::player::enter_link {	1728	sub cf::object::player::enter_link {
1411	my ($self) = @_;	1729	my ($self) = @_;
1412		1730
		1731	$self->deactivate_recursive;
		1732
1413	return if $self->map == $LINK_MAP;	1733	return if $self->map == $LINK_MAP;
1414		1734
1415	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1416	if $self->map;	1736	if $self->map;
1417		1737
1418	$self->enter_map ($LINK_MAP, 20, 20);	1738	$self->enter_map ($LINK_MAP, 20, 20);
1419	$self->deactivate_recursive;
1420	}	1739	}
1421		1740
1422	sub cf::object::player::leave_link {	1741	sub cf::object::player::leave_link {
1423	my ($self, $map, $x, $y) = @_;	1742	my ($self, $map, $x, $y) = @_;
1424		1743
1425	my $link_pos = delete $self->{_link_pos};	1744	my $link_pos = delete $self->{_link_pos};
1426		1745
1427	unless ($map) {	1746	unless ($map) {
1428	# restore original map position	1747	# restore original map position
1429	($map, $x, $y) = @{ $link_pos || [] };	1748	($map, $x, $y) = @{ $link_pos || [] };
1430	$map = cf::map::find_map $map;	1749	$map = cf::map::find $map;
1431		1750
1432	unless ($map) {	1751	unless ($map) {
1433	($map, $x, $y) = @$EMERGENCY_POSITION;	1752	($map, $x, $y) = @$EMERGENCY_POSITION;
1434	$map = cf::map::find_map $map	1753	$map = cf::map::find $map
1435	or die "FATAL: cannot load emergency map\n";	1754	or die "FATAL: cannot load emergency map\n";
1436	}	1755	}
1437	}	1756	}
1438		1757
1439	($x, $y) = (-1, -1)	1758	($x, $y) = (-1, -1)
…		…
1442	# use -1 or undef as default coordinates, not 0, 0	1761	# use -1 or undef as default coordinates, not 0, 0
1443	($x, $y) = ($map->enter_x, $map->enter_y)	1762	($x, $y) = ($map->enter_x, $map->enter_y)
1444	if $x <=0 && $y <= 0;	1763	if $x <=0 && $y <= 0;
1445		1764
1446	$map->load;	1765	$map->load;
		1766	$map->load_diag;
1447		1767
		1768	return unless $self->contr->active;
1448	$self->activate_recursive;	1769	$self->activate_recursive;
1449	$self->enter_map ($map, $x, $y);	1770	$self->enter_map ($map, $x, $y);
1450	}	1771	}
1451		1772
		1773	cf::player->attach (
		1774	on_logout => sub {
		1775	my ($pl) = @_;
		1776
		1777	# abort map switching before logout
		1778	if ($pl->ob->{_link_pos}) {
		1779	cf::sync_job {
		1780	$pl->ob->leave_link
		1781	};
		1782	}
		1783	},
		1784	on_login => sub {
		1785	my ($pl) = @_;
		1786
		1787	# try to abort aborted map switching on player login :)
		1788	# should happen only on crashes
		1789	if ($pl->ob->{_link_pos}) {
		1790	$pl->ob->enter_link;
		1791	(async {
		1792	# we need this sleep as the login has a concurrent enter_exit running
		1793	# and this sleep increases chances of the player not ending up in scorn
		1794	$pl->ob->reply (undef,
		1795	"There was an internal problem at your last logout, "
		1796	. "the server will try to bring you to your intended destination in a second.",
		1797	cf::NDI_RED);
		1798	Coro::Timer::sleep 1;
		1799	$pl->ob->leave_link;
		1800	})->prio (2);
		1801	}
		1802	},
		1803	);
		1804
1452	=item $player_object->goto_map ($path, $x, $y)	1805	=item $player_object->goto ($path, $x, $y)
1453		1806
1454	=cut	1807	=cut
1455		1808
1456	sub cf::object::player::goto_map {	1809	sub cf::object::player::goto {
1457	my ($self, $path, $x, $y) = @_;	1810	my ($self, $path, $x, $y) = @_;
1458		1811
		1812	$path = new cf::path $path;
		1813
1459	$self->enter_link;	1814	$self->enter_link;
1460		1815
1461	(Coro::async {	1816	(async {
1462	$path = new cf::path $path;
1463
1464	my $map = cf::map::find_map $path->as_string;	1817	my $map = cf::map::find $path->as_string;
1465	$map = $map->customise_for ($self) if $map;	1818	$map = $map->customise_for ($self) if $map;
1466		1819
1467	# warn "entering ", $map->path, " at ($x, $y)\n"	1820	# warn "entering ", $map->path, " at ($x, $y)\n"
1468	# if $map;	1821	# if $map;
1469		1822
1470	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1823	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1471		1824
1472	$self->leave_link ($map, $x, $y);	1825	$self->leave_link ($map, $x, $y);
1473	})->prio (1);	1826	})->prio (1);
1474	}	1827	}
1475		1828
…		…
1528		1881
1529	return unless $self->type == cf::PLAYER;	1882	return unless $self->type == cf::PLAYER;
1530		1883
1531	$self->enter_link;	1884	$self->enter_link;
1532		1885
1533	(Coro::async {	1886	(async {
		1887	$self->deactivate_recursive; # just to be sure
1534	unless (eval {	1888	unless (eval {
1535
1536	prepare_random_map $exit	1889	prepare_random_map $exit
1537	if $exit->slaying eq "/!";	1890	if $exit->slaying eq "/!";
1538		1891
1539	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1540	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1541		1894
1542	1;	1895	1;
1543	}) {	1896	}) {
1544	$self->message ("Something went wrong deep within the crossfire server. "	1897	$self->message ("Something went wrong deep within the crossfire server. "
1545	. "I'll try to bring you back to the map you were before. "	1898	. "I'll try to bring you back to the map you were before. "
1546	. "Please report this to the dungeon master",	1899	. "Please report this to the dungeon master!",
1547	cf::NDI_UNIQUE | cf::NDI_RED);	1900	cf::NDI_UNIQUE | cf::NDI_RED);
1548		1901
1549	warn "ERROR in enter_exit: $@";	1902	warn "ERROR in enter_exit: $@";
1550	$self->leave_link;	1903	$self->leave_link;
1551	}	1904	}
…		…
1602	on_reply => sub {	1955	on_reply => sub {
1603	my ($ns, $msg) = @_;	1956	my ($ns, $msg) = @_;
1604		1957
1605	# this weird shuffling is so that direct followup queries	1958	# this weird shuffling is so that direct followup queries
1606	# get handled first	1959	# get handled first
1607	my $queue = delete $ns->{query_queue};	1960	my $queue = delete $ns->{query_queue}
		1961	or return; # be conservative, not sure how that can happen, but we saw a crash here
1608		1962
1609	(shift @$queue)->[1]->($msg);	1963	(shift @$queue)->[1]->($msg);
1610		1964
1611	push @{ $ns->{query_queue} }, @$queue;	1965	push @{ $ns->{query_queue} }, @$queue;
1612		1966
…		…
1618	}	1972	}
1619	}	1973	}
1620	},	1974	},
1621	);	1975	);
1622		1976
1623	=item $client->coro (\&cb)	1977	=item $client->async (\&cb)
1624		1978
1625	Create a new coroutine, running the specified callback. The coroutine will	1979	Create a new coroutine, running the specified callback. The coroutine will
1626	be automatically cancelled when the client gets destroyed (e.g. on logout,	1980	be automatically cancelled when the client gets destroyed (e.g. on logout,
1627	or loss of connection).	1981	or loss of connection).
1628		1982
1629	=cut	1983	=cut
1630		1984
1631	sub cf::client::coro {	1985	sub cf::client::async {
1632	my ($self, $cb) = @_;	1986	my ($self, $cb) = @_;
1633		1987
1634	my $coro; $coro = async {	1988	my $coro = &Coro::async ($cb);
1635	eval {
1636	$cb->();
1637	};
1638	warn $@ if $@;
1639	};
1640		1989
1641	$coro->on_destroy (sub {	1990	$coro->on_destroy (sub {
1642	delete $self->{_coro}{$coro+0};	1991	delete $self->{_coro}{$coro+0};
1643	});	1992	});
1644		1993
…		…
1816		2165
1817	{	2166	{
1818	my $path = cf::localdir . "/database.pst";	2167	my $path = cf::localdir . "/database.pst";
1819		2168
1820	sub db_load() {	2169	sub db_load() {
1821	warn "loading database $path\n";#d# remove later
1822	$DB = stat $path ? Storable::retrieve $path : { };	2170	$DB = stat $path ? Storable::retrieve $path : { };
1823	}	2171	}
1824		2172
1825	my $pid;	2173	my $pid;
1826		2174
1827	sub db_save() {	2175	sub db_save() {
1828	warn "saving database $path\n";#d# remove later
1829	waitpid $pid, 0 if $pid;	2176	waitpid $pid, 0 if $pid;
1830	if (0 == ($pid = fork)) {	2177	if (0 == ($pid = fork)) {
1831	$DB->{_meta}{version} = 1;	2178	$DB->{_meta}{version} = 1;
1832	Storable::nstore $DB, "$path~";	2179	Storable::nstore $DB, "$path~";
1833	rename "$path~", $path;	2180	rename "$path~", $path;
…		…
1881	open my $fh, "<:utf8", cf::confdir . "/config"	2228	open my $fh, "<:utf8", cf::confdir . "/config"
1882	or return;	2229	or return;
1883		2230
1884	local $/;	2231	local $/;
1885	*CFG = YAML::Syck::Load <$fh>;	2232	*CFG = YAML::Syck::Load <$fh>;
		2233
		2234	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2235
		2236	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2237	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2238
		2239	if (exists $CFG{mlockall}) {
		2240	eval {
		2241	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2242	and die "WARNING: m(un)lockall failed: $!\n";
		2243	};
		2244	warn $@ if $@;
		2245	}
1886	}	2246	}
1887		2247
1888	sub main {	2248	sub main {
1889	# we must not ever block the main coroutine	2249	# we must not ever block the main coroutine
1890	local $Coro::idle = sub {	2250	local $Coro::idle = sub {
1891	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1892	(Coro::unblock_sub {
1893	Event::one_event;	2252	async { Event::one_event };
1894	})->();
1895	};	2253	};
1896		2254
1897	cfg_load;	2255	cfg_load;
1898	db_load;	2256	db_load;
1899	load_extensions;	2257	load_extensions;
1900	Event::loop;	2258	Event::loop;
1901	}	2259	}
1902		2260
1903	#############################################################################	2261	#############################################################################
1904	# initialisation	2262	# initialisation and cleanup
		2263
		2264	# install some emergency cleanup handlers
		2265	BEGIN {
		2266	for my $signal (qw(INT HUP TERM)) {
		2267	Event->signal (
		2268	data => WF_AUTOCANCEL,
		2269	signal => $signal,
		2270	cb => sub {
		2271	cf::cleanup "SIG$signal";
		2272	},
		2273	);
		2274	}
		2275	}
		2276
		2277	sub emergency_save() {
		2278	my $freeze_guard = cf::freeze_mainloop;
		2279
		2280	warn "enter emergency perl save\n";
		2281
		2282	cf::sync_job {
		2283	# use a peculiar iteration method to avoid tripping on perl
		2284	# refcount bugs in for. also avoids problems with players
		2285	# and maps saved/Destroyed asynchronously.
		2286	warn "begin emergency player save\n";
		2287	for my $login (keys %cf::PLAYER) {
		2288	my $pl = $cf::PLAYER{$login} or next;
		2289	$pl->valid or next;
		2290	$pl->save;
		2291	}
		2292	warn "end emergency player save\n";
		2293
		2294	warn "begin emergency map save\n";
		2295	for my $path (keys %cf::MAP) {
		2296	my $map = $cf::MAP{$path} or next;
		2297	$map->valid or next;
		2298	$map->save;
		2299	}
		2300	warn "end emergency map save\n";
		2301	};
		2302
		2303	warn "leave emergency perl save\n";
		2304	}
1905		2305
1906	sub reload() {	2306	sub reload() {
1907	# can/must only be called in main	2307	# can/must only be called in main
1908	if ($Coro::current != $Coro::main) {	2308	if ($Coro::current != $Coro::main) {
1909	warn "can only reload from main coroutine\n";	2309	warn "can only reload from main coroutine\n";
1910	return;	2310	return;
1911	}	2311	}
1912		2312
1913	warn "reloading...";	2313	warn "reloading...";
1914		2314
1915	local $FREEZE = 1;	2315	warn "freezing server";
		2316	my $guard = freeze_mainloop;
1916	cf::emergency_save;	2317	cf::emergency_save;
		2318
		2319	warn "sync database to disk";
		2320	cf::db_sync;
		2321	IO::AIO::flush;
1917		2322
1918	eval {	2323	eval {
1919	# if anything goes wrong in here, we should simply crash as we already saved	2324	# if anything goes wrong in here, we should simply crash as we already saved
1920		2325
1921	# cancel all watchers	2326	warn "cancel all watchers";
1922	for (Event::all_watchers) {	2327	for (Event::all_watchers) {
1923	$_->cancel if $_->data & WF_AUTOCANCEL;	2328	$_->cancel if $_->data & WF_AUTOCANCEL;
1924	}	2329	}
1925		2330
1926	# cancel all extension coros	2331	warn "cancel all extension coros";
1927	$_->cancel for values %EXT_CORO;	2332	$_->cancel for values %EXT_CORO;
1928	%EXT_CORO = ();	2333	%EXT_CORO = ();
1929		2334
		2335	warn "remove commands";
		2336	%COMMAND = ();
		2337
		2338	warn "remove ext commands";
		2339	%EXTCMD = ();
		2340
1930	# unload all extensions	2341	warn "unload/nuke all extensions";
1931	for (@exts) {	2342	for my $pkg (@EXTS) {
1932	warn "unloading <$_>";	2343	warn "... unloading $pkg";
1933	unload_extension $_;	2344
		2345	if (my $cb = $pkg->can ("unload")) {
		2346	eval {
		2347	$cb->($pkg);
		2348	1
		2349	} or warn "$pkg unloaded, but with errors: $@";
1934	}	2350	}
1935		2351
		2352	warn "... nuking $pkg";
		2353	Symbol::delete_package $pkg;
		2354	}
		2355
1936	# unload all modules loaded from $LIBDIR	2356	warn "unload all perl modules loaded from $LIBDIR";
1937	while (my ($k, $v) = each %INC) {	2357	while (my ($k, $v) = each %INC) {
1938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1939		2359
1940	warn "removing <$k>";	2360	warn "removing <$k>";
1941	delete $INC{$k};	2361	delete $INC{$k};
…		…
1948	}	2368	}
1949		2369
1950	Symbol::delete_package $k;	2370	Symbol::delete_package $k;
1951	}	2371	}
1952		2372
1953	# sync database to disk
1954	cf::db_sync;
1955	IO::AIO::flush;
1956
1957	# get rid of safe::, as good as possible	2373	warn "get rid of safe::, as good as possible";
1958	Symbol::delete_package "safe::$_"	2374	Symbol::delete_package "safe::$_"
1959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1960		2376
1961	# remove register_script_function callbacks
1962	# TODO
1963
1964	# unload cf.pm "a bit"	2377	warn "unload cf.pm \"a bit\"";
1965	delete $INC{"cf.pm"};	2378	delete $INC{"cf.pm"};
1966		2379
1967	# don't, removes xs symbols, too,	2380	# don't, removes xs symbols, too,
1968	# and global variables created in xs	2381	# and global variables created in xs
1969	#Symbol::delete_package __PACKAGE__;	2382	#Symbol::delete_package __PACKAGE__;
1970		2383
1971	# reload cf.pm
1972	warn "reloading cf.pm";	2384	warn "reloading cf.pm";
1973	require cf;	2385	require cf;
1974	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1975		2387
1976	# load config and database again	2388	warn "load config and database again";
1977	cf::cfg_load;	2389	cf::cfg_load;
1978	cf::db_load;	2390	cf::db_load;
1979		2391
1980	# load extensions
1981	warn "load extensions";	2392	warn "load extensions";
1982	cf::load_extensions;	2393	cf::load_extensions;
1983		2394
1984	# reattach attachments to objects	2395	warn "reattach attachments to objects/players";
1985	warn "reattach";
1986	_global_reattach;	2396	_global_reattach;
		2397	warn "reattach attachments to maps";
		2398	reattach $_ for values %MAP;
1987	};	2399	};
1988		2400
1989	if ($@) {	2401	if ($@) {
1990	warn $@;	2402	warn $@;
1991	warn "error while reloading, exiting.";	2403	warn "error while reloading, exiting.";
1992	exit 1;	2404	exit 1;
1993	}	2405	}
1994		2406
1995	warn "reloaded successfully";	2407	warn "reloaded";
1996	};	2408	};
1997		2409
1998	#############################################################################	2410	#############################################################################
1999		2411
2000	unless ($LINK_MAP) {	2412	unless ($LINK_MAP) {
…		…
2007	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2008	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2009		2421
2010	# dirty hack because... archetypes are not yet loaded	2422	# dirty hack because... archetypes are not yet loaded
2011	Event->timer (	2423	Event->timer (
2012	after => 2,	2424	after => 10,
2013	cb => sub {	2425	cb => sub {
2014	$_[0]->w->cancel;	2426	$_[0]->w->cancel;
2015		2427
2016	# provide some exits "home"	2428	# provide some exits "home"
2017	my $exit = cf::object::new "exit";	2429	my $exit = cf::object::new "exit";
…		…
2036	$LINK_MAP->{deny_reset} = 1;	2448	$LINK_MAP->{deny_reset} = 1;
2037		2449
2038	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;	2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2039	}	2451	}
2040		2452
2041	register "<global>", __PACKAGE__;
2042
2043	register_command "reload" => sub {	2453	register_command "reload" => sub {
2044	my ($who, $arg) = @_;	2454	my ($who, $arg) = @_;
2045		2455
2046	if ($who->flag (FLAG_WIZ)) {	2456	if ($who->flag (FLAG_WIZ)) {
2047	$who->message ("start of reload.");	2457	$who->message ("start of reload.");
…		…
2056	reentrant => 0,	2466	reentrant => 0,
2057	prio => 0,	2467	prio => 0,
2058	at => $NEXT_TICK || $TICK,	2468	at => $NEXT_TICK || $TICK,
2059	data => WF_AUTOCANCEL,	2469	data => WF_AUTOCANCEL,
2060	cb => sub {	2470	cb => sub {
2061	unless ($FREEZE) {
2062	cf::server_tick; # one server iteration	2471	cf::server_tick; # one server iteration
2063	$RUNTIME += $TICK;	2472	$RUNTIME += $TICK;
2064	}
2065
2066	$NEXT_TICK += $TICK;	2473	$NEXT_TICK += $TICK;
		2474
		2475	$WAIT_FOR_TICK->broadcast;
		2476	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2067		2477
2068	# if we are delayed by four ticks or more, skip them all	2478	# if we are delayed by four ticks or more, skip them all
2069	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2070		2480
2071	$TICK_WATCHER->at ($NEXT_TICK);	2481	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2093	or warn "ERROR: unable to write runtime file: $!";	2503	or warn "ERROR: unable to write runtime file: $!";
2094	})->();	2504	})->();
2095	},	2505	},
2096	);	2506	);
2097		2507
		2508	END { cf::emergency_save }
		2509
2098	1	2510	1
2099		2511

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