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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.116 by root, Mon Jan 1 17:30:34 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 ($self->save_path)
399	}	518	}
400		519
401	package cf;	520	package cf;
402		521
403	#############################################################################	522	#############################################################################
…		…
817	(aio_load "$filename.pst", $av) >= 0	936	(aio_load "$filename.pst", $av) >= 0
818	or return;	937	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	938	$av = eval { (Storable::thaw $av)->{objs} };
820	}	939	}
821		940
		941	warn sprintf "loading %s (%d)\n",
		942	$filename, length $data, scalar @{$av || []};#d#
822	return ($data, $av);	943	return ($data, $av);
823	}	944	}
824		945
825	#############################################################################	946	#############################################################################
826	# command handling &c	947	# command handling &c
…		…
851	=cut	972	=cut
852		973
853	sub register_extcmd {	974	sub register_extcmd {
854	my ($name, $cb) = @_;	975	my ($name, $cb) = @_;
855		976
856	my $caller = caller;
857	#warn "registering extcmd '$name' to '$caller'";
858
859	$EXTCMD{$name} = [$cb, $caller];	977	$EXTCMD{$name} = $cb;
860	}	978	}
861		979
862	cf::player->attach (	980	cf::player->attach (
863	on_command => sub {	981	on_command => sub {
864	my ($pl, $name, $params) = @_;	982	my ($pl, $name, $params) = @_;
…		…
877		995
878	my $msg = eval { from_json $buf };	996	my $msg = eval { from_json $buf };
879		997
880	if (ref $msg) {	998	if (ref $msg) {
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	999	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
882	if (my %reply = $cb->[0]->($pl, $msg)) {	1000	if (my %reply = $cb->($pl, $msg)) {
883	$pl->ext_reply ($msg->{msgid}, %reply);	1001	$pl->ext_reply ($msg->{msgid}, %reply);
884	}	1002	}
885	}	1003	}
886	} else {	1004	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1005	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
889		1007
890	cf::override;	1008	cf::override;
891	},	1009	},
892	);	1010	);
893		1011
894	sub register {
895	my ($base, $pkg) = @_;
896
897	#TODO
898	}
899
900	sub load_extension {	1012	sub load_extension {
901	my ($path) = @_;	1013	my ($path) = @_;
902		1014
903	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1015	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
904	my $base = $1;	1016	my $base = $1;
905	my $pkg = $1;	1017	my $pkg = $1;
906	$pkg =~ s/[^[:word:]]/_/g;	1018	$pkg =~ s/[^[:word:]]/_/g;
907	$pkg = "ext::$pkg";	1019	$pkg = "ext::$pkg";
908		1020
909	warn "loading '$path' into '$pkg'\n";	1021	warn "... loading '$path' into '$pkg'\n";
910		1022
911	open my $fh, "<:utf8", $path	1023	open my $fh, "<:utf8", $path
912	or die "$path: $!";	1024	or die "$path: $!";
913		1025
914	my $source =	1026	my $source =
…		…
919		1031
920	eval $source	1032	eval $source
921	or die $@ ? "$path: $@\n"	1033	or die $@ ? "$path: $@\n"
922	: "extension disabled.\n";	1034	: "extension disabled.\n";
923		1035
924	push @exts, $pkg;	1036	push @EXTS, $pkg;
925	$ext_pkg{$base} = $pkg;
926
927	# no strict 'refs';
928	# @{"$pkg\::ISA"} = ext::;
929
930	register $base, $pkg;
931	}
932
933	sub unload_extension {
934	my ($pkg) = @_;
935
936	warn "removing extension $pkg\n";
937
938	# remove hooks
939	#TODO
940	# for my $idx (0 .. $#PLUGIN_EVENT) {
941	# delete $hook[$idx]{$pkg};
942	# }
943
944	# remove commands
945	for my $name (keys %COMMAND) {
946	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
947
948	if (@cb) {
949	$COMMAND{$name} = \@cb;
950	} else {
951	delete $COMMAND{$name};
952	}
953	}
954
955	# remove extcmds
956	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
957	delete $EXTCMD{$name};
958	}
959
960	if (my $cb = $pkg->can ("unload")) {
961	eval {
962	$cb->($pkg);
963	1
964	} or warn "$pkg unloaded, but with errors: $@";
965	}
966
967	Symbol::delete_package $pkg;
968	}	1037	}
969		1038
970	sub load_extensions {	1039	sub load_extensions {
971	for my $ext (<$LIBDIR/*.ext>) {	1040	for my $ext (<$LIBDIR/*.ext>) {
972	next unless -r $ext;	1041	next unless -r $ext;
…		…
990	};	1059	};
991		1060
992	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
993		1062
994	#############################################################################	1063	#############################################################################
995	# load/save perl data associated with player->ob objects
996
997	sub all_objects(@) {
998	@_, map all_objects ($_->inv), @_
999	}
1000
1001	# TODO: compatibility cruft, remove when no longer needed
1002	cf::player->attach (
1003	on_load => sub {
1004	my ($pl, $path) = @_;
1005
1006	for my $o (all_objects $pl->ob) {
1007	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1008	$o->set_ob_key_value ("_perl_data");
1009
1010	%$o = %{ Storable::thaw pack "H*", $value };
1011	}
1012	}
1013	},
1014	);
1015
1016	#############################################################################
1017		1064
1018	=head2 CORE EXTENSIONS	1065	=head2 CORE EXTENSIONS
1019		1066
1020	Functions and methods that extend core crossfire objects.	1067	Functions and methods that extend core crossfire objects.
1021		1068
		1069	=cut
		1070
		1071	package cf::player;
		1072
		1073	use Coro::AIO;
		1074
1022	=head3 cf::player	1075	=head3 cf::player
1023		1076
1024	=over 4	1077	=over 4
1025		1078
1026	=item cf::player::exists $login	1079	=item cf::player::find $login
1027		1080
1028	Returns true when the given account exists.	1081	Returns the given player object, loading it if necessary (might block).
1029		1082
1030	=cut	1083	=cut
1031		1084
1032	sub cf::player::exists($) {	1085	sub playerdir($) {
1033	cf::player::find $_[0]	1086	cf::localdir
1034	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[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
1035	}	1231	}
1036		1232
1037	=item $player->ext_reply ($msgid, $msgtype, %msg)	1233	=item $player->ext_reply ($msgid, $msgtype, %msg)
1038		1234
1039	Sends an ext reply to the player.	1235	Sends an ext reply to the player.
1040		1236
1041	=cut	1237	=cut
1042		1238
1043	sub cf::player::ext_reply($$$%) {	1239	sub ext_reply($$$%) {
1044	my ($self, $id, %msg) = @_;	1240	my ($self, $id, %msg) = @_;
1045		1241
1046	$msg{msgid} = $id;	1242	$msg{msgid} = $id;
1047		1243
1048	$self->send ("ext " . to_json \%msg);	1244	$self->send ("ext " . cf::to_json \%msg);
1049	}	1245	}
		1246
		1247	package cf;
1050		1248
1051	=back	1249	=back
1052		1250
1053		1251
1054	=head3 cf::map	1252	=head3 cf::map
…		…
1060	package cf::map;	1258	package cf::map;
1061		1259
1062	use Fcntl;	1260	use Fcntl;
1063	use Coro::AIO;	1261	use Coro::AIO;
1064		1262
1065	our $MAX_RESET = 7200;	1263	our $MAX_RESET = 3600;
1066	our $DEFAULT_RESET = 3600;	1264	our $DEFAULT_RESET = 3000;
1067		1265
1068	sub generate_random_map {	1266	sub generate_random_map {
1069	my ($path, $rmp) = @_;	1267	my ($path, $rmp) = @_;
1070		1268
1071	# mit "rum" bekleckern, nicht	1269	# mit "rum" bekleckern, nicht
…		…
1087	# and all this just because we cannot iterate over	1285	# and all this just because we cannot iterate over
1088	# all maps in C++...	1286	# all maps in C++...
1089	sub change_all_map_light {	1287	sub change_all_map_light {
1090	my ($change) = @_;	1288	my ($change) = @_;
1091		1289
1092	$_->change_map_light ($change) for values %cf::MAP;	1290	$_->change_map_light ($change)
		1291	for grep $_->outdoor, values %cf::MAP;
1093	}	1292	}
1094		1293
1095	sub try_load_header($) {	1294	sub load_map_header($) {
1096	my ($path) = @_;	1295	my ($path) = @_;
1097		1296
1098	utf8::encode $path;	1297	utf8::encode $path;
1099	aio_open $path, O_RDONLY, 0	1298	aio_open $path, O_RDONLY, 0
1100	or return;	1299	or return;
1101		1300
1102	my $map = cf::map::new	1301	my $map = cf::map::new
1103	or return;	1302	or return;
1104		1303
		1304	# for better error messages only, will be overwritten later
		1305	$map->path ($path);
		1306
1105	$map->load_header ($path)	1307	$map->load_header ($path)
1106	or return;	1308	or return;
1107		1309
1108	$map->{load_path} = $path;	1310	$map->{load_path} = $path;
1109		1311
1110	$map	1312	$map
1111	}	1313	}
1112		1314
		1315	sub find;
1113	sub find_map {	1316	sub find {
1114	my ($path, $origin) = @_;	1317	my ($path, $origin) = @_;
1115		1318
1116	#warn "find_map<$path,$origin>\n";#d#	1319	#warn "find<$path,$origin>\n";#d#
1117		1320
1118	$path = new cf::path $path, $origin && $origin->path;	1321	$path = new cf::path $path, $origin && $origin->path;
1119	my $key = $path->as_string;	1322	my $key = $path->as_string;
1120		1323
		1324	cf::lock_wait "map_find:$key";
		1325
1121	$cf::MAP{$key} || do {	1326	$cf::MAP{$key} || do {
		1327	my $guard = cf::lock_acquire "map_find:$key";
		1328
1122	# do it the slow way	1329	# do it the slow way
1123	my $map = try_load_header $path->save_path;	1330	my $map = $path->load_temp;
		1331
		1332	Coro::cede;
1124		1333
1125	if ($map) {	1334	if ($map) {
		1335	$map->last_access ((delete $map->{last_access})
		1336	|| $cf::RUNTIME); #d#
1126	# safety	1337	# safety
1127	$map->{instantiate_time} = $cf::RUNTIME	1338	$map->{instantiate_time} = $cf::RUNTIME
1128	if $map->{instantiate_time} > $cf::RUNTIME;	1339	if $map->{instantiate_time} > $cf::RUNTIME;
1129	} else {	1340	} else {
1130	if (my $rmp = $path->random_map_params) {	1341	$map = $path->load_orig
1131	$map = generate_random_map $key, $rmp;
1132	} else {
1133	$map = try_load_header $path->load_path;
1134	}
1135
1136	$map or return;	1342	or return;
1137		1343
1138	$map->{load_original} = 1;	1344	$map->{load_original} = 1;
1139	$map->{instantiate_time} = $cf::RUNTIME;	1345	$map->{instantiate_time} = $cf::RUNTIME;
		1346	$map->last_access ($cf::RUNTIME);
1140	$map->instantiate;	1347	$map->instantiate;
1141		1348
1142	# per-player maps become, after loading, normal maps	1349	# per-player maps become, after loading, normal maps
1143	$map->per_player (0) if $path->{user_rel};	1350	$map->per_player (0) if $path->{user_rel};
1144	}	1351	}
1145		1352
1146	$map->path ($key);	1353	$map->path ($key);
1147	$map->{path} = $path;	1354	$map->{path} = $path;
1148	$map->{last_save} = $cf::RUNTIME;	1355	$map->{last_save} = $cf::RUNTIME;
1149	$map->last_access ($cf::RUNTIME);	1356
		1357	Coro::cede;
1150		1358
1151	if ($map->should_reset) {	1359	if ($map->should_reset) {
1152	$map->reset;	1360	$map->reset;
		1361	undef $guard;
1153	$map = find_map $path;	1362	$map = find $path
		1363	or return;
1154	}	1364	}
1155		1365
1156	$cf::MAP{$key} = $map	1366	$cf::MAP{$key} = $map
1157	}	1367	}
1158	}	1368	}
1159		1369
1160	sub load {	1370	sub load {
1161	my ($self) = @_;	1371	my ($self) = @_;
1162		1372
		1373	my $path = $self->{path};
		1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;
		1375
1163	return if $self->in_memory != cf::MAP_SWAPPED;	1376	return if $self->in_memory != cf::MAP_SWAPPED;
1164		1377
1165	$self->in_memory (cf::MAP_LOADING);	1378	$self->in_memory (cf::MAP_LOADING);
1166
1167	my $path = $self->{path};
1168		1379
1169	$self->alloc;	1380	$self->alloc;
1170	$self->load_objects ($self->{load_path}, 1)	1381	$self->load_objects ($self->{load_path}, 1)
1171	or return;	1382	or return;
1172		1383
…		…
1178	if (aio_open $uniq, O_RDONLY, 0) {	1389	if (aio_open $uniq, O_RDONLY, 0) {
1179	$self->clear_unique_items;	1390	$self->clear_unique_items;
1180	$self->load_objects ($uniq, 0);	1391	$self->load_objects ($uniq, 0);
1181	}	1392	}
1182	}	1393	}
		1394
		1395	Coro::cede;
1183		1396
1184	# now do the right thing for maps	1397	# now do the right thing for maps
1185	$self->link_multipart_objects;	1398	$self->link_multipart_objects;
1186		1399
1187	if ($self->{path}->is_style_map) {	1400	if ($self->{path}->is_style_map) {
…		…
1195	$self->difficulty ($self->estimate_difficulty)	1408	$self->difficulty ($self->estimate_difficulty)
1196	unless $self->difficulty;	1409	unless $self->difficulty;
1197	$self->activate;	1410	$self->activate;
1198	}	1411	}
1199		1412
		1413	Coro::cede;
		1414
1200	$self->in_memory (cf::MAP_IN_MEMORY);	1415	$self->in_memory (cf::MAP_IN_MEMORY);
1201	}	1416	}
1202		1417
1203	sub load_map_sync {	1418	# find and load all maps in the 3x3 area around a map
		1419	sub load_diag {
		1420	my ($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	$neigh->load;
		1439	}
		1440	}
		1441
		1442	sub find_sync {
1204	my ($path, $origin) = @_;	1443	my ($path, $origin) = @_;
1205		1444
1206	#warn "load_map_sync<$path, $origin>\n";#d#	1445	cf::sync_job { find $path, $origin }
		1446	}
1207		1447
1208	cf::sync_job {	1448	sub do_load_sync {
1209	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
1210	or return;	1459	or next;
		1460	my $path = delete $MAP_PREFETCH{$key};
		1461
		1462	my $map = find $path
		1463	or next;
1211	$map->load;	1464	$map->load;
1212	$map	1465	}
		1466	Coro::schedule;
1213	}	1467	}
		1468	};
		1469
		1470	sub find_async {
		1471	my ($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	$MAP_PREFETCHER->ready;
		1482
		1483	()
1214	}	1484	}
1215		1485
1216	sub save {	1486	sub save {
1217	my ($self) = @_;	1487	my ($self) = @_;
1218		1488
		1489	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1490
		1491	$self->{last_save} = $cf::RUNTIME;
		1492
		1493	return unless $self->dirty;
		1494
1219	my $save = $self->{path}->save_path; utf8::encode $save;	1495	my $save = $self->{path}->save_path; utf8::encode $save;
1220	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1221		1497
1222	$self->{last_save} = $cf::RUNTIME;
1223
1224	return unless $self->dirty;
1225
1226	$self->{load_path} = $save;	1498	$self->{load_path} = $save;
1227		1499
1228	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 $self->players;
		1506	};
1229		1507
1230	if ($uniq) {	1508	if ($uniq) {
1231	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1232	$self->save_objects ($uniq, cf::IO_UNIQUES);	1510	$self->save_objects ($uniq, cf::IO_UNIQUES);
1233	} else {	1511	} else {
…		…
1236	}	1514	}
1237		1515
1238	sub swap_out {	1516	sub swap_out {
1239	my ($self) = @_;	1517	my ($self) = @_;
1240		1518
		1519	# save first because save cedes
		1520	$self->save;
		1521
		1522	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1523
1241	return if $self->players;	1524	return if $self->players;
1242	return if $self->in_memory != cf::MAP_IN_MEMORY;	1525	return if $self->in_memory != cf::MAP_IN_MEMORY;
1243	return if $self->{deny_save};	1526	return if $self->{deny_save};
1244		1527
1245	$self->save;
1246	$self->clear;	1528	$self->clear;
1247	$self->in_memory (cf::MAP_SWAPPED);	1529	$self->in_memory (cf::MAP_SWAPPED);
1248	}	1530	}
1249		1531
1250	sub reset_at {	1532	sub reset_at {
…		…
1288	}	1570	}
1289		1571
1290	sub reset {	1572	sub reset {
1291	my ($self) = @_;	1573	my ($self) = @_;
1292		1574
		1575	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1576
1293	return if $self->players;	1577	return if $self->players;
1294	return if $self->{path}{user_rel};#d#	1578	return if $self->{path}{user_rel};#d#
1295		1579
1296	warn "resetting map ", $self->path;#d#	1580	warn "resetting map ", $self->path;#d#
1297		1581
…		…
1316		1600
1317	sub customise_for {	1601	sub customise_for {
1318	my ($map, $ob) = @_;	1602	my ($map, $ob) = @_;
1319		1603
1320	if ($map->per_player) {	1604	if ($map->per_player) {
1321	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1322	}	1606	}
1323		1607
1324	$map	1608	$map
1325	}	1609	}
1326		1610
1327	sub emergency_save {	1611	=item cf::map::unique_maps
1328	local $cf::FREEZE = 1;
1329		1612
1330	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.
1331		1615
1332	cf::sync_job {	1616	=cut
1333	warn "begin emergency map save\n";	1617
1334	$_->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 $_;
1335	};	1630	}
1336		1631
1337	warn "end emergency map save\n";	1632	\@paths
1338	}	1633	}
1339		1634
1340	package cf;	1635	package cf;
1341		1636
1342	=back	1637	=back
1343		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 $_[0]
		1660	}
		1661
		1662	package cf;
		1663
		1664	=back
1344		1665
1345	=head3 cf::object::player	1666	=head3 cf::object::player
1346		1667
1347	=over 4	1668	=over 4
1348		1669
…		…
1405	=cut	1726	=cut
1406		1727
1407	sub cf::object::player::enter_link {	1728	sub cf::object::player::enter_link {
1408	my ($self) = @_;	1729	my ($self) = @_;
1409		1730
		1731	$self->deactivate_recursive;
		1732
1410	return if $self->map == $LINK_MAP;	1733	return if $self->map == $LINK_MAP;
1411		1734
1412	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1413	if $self->map;	1736	if $self->map;
1414		1737
1415	$self->enter_map ($LINK_MAP, 20, 20);	1738	$self->enter_map ($LINK_MAP, 20, 20);
1416	$self->deactivate_recursive;
1417	}	1739	}
1418		1740
1419	sub cf::object::player::leave_link {	1741	sub cf::object::player::leave_link {
1420	my ($self, $map, $x, $y) = @_;	1742	my ($self, $map, $x, $y) = @_;
1421		1743
1422	my $link_pos = delete $self->{_link_pos};	1744	my $link_pos = delete $self->{_link_pos};
1423		1745
1424	unless ($map) {	1746	unless ($map) {
1425	# restore original map position	1747	# restore original map position
1426	($map, $x, $y) = @{ $link_pos || [] };	1748	($map, $x, $y) = @{ $link_pos || [] };
1427	$map = cf::map::find_map $map;	1749	$map = cf::map::find $map;
1428		1750
1429	unless ($map) {	1751	unless ($map) {
1430	($map, $x, $y) = @$EMERGENCY_POSITION;	1752	($map, $x, $y) = @$EMERGENCY_POSITION;
1431	$map = cf::map::find_map $map	1753	$map = cf::map::find $map
1432	or die "FATAL: cannot load emergency map\n";	1754	or die "FATAL: cannot load emergency map\n";
1433	}	1755	}
1434	}	1756	}
1435		1757
1436	($x, $y) = (-1, -1)	1758	($x, $y) = (-1, -1)
…		…
1439	# use -1 or undef as default coordinates, not 0, 0	1761	# use -1 or undef as default coordinates, not 0, 0
1440	($x, $y) = ($map->enter_x, $map->enter_y)	1762	($x, $y) = ($map->enter_x, $map->enter_y)
1441	if $x <=0 && $y <= 0;	1763	if $x <=0 && $y <= 0;
1442		1764
1443	$map->load;	1765	$map->load;
		1766	$map->load_diag;
1444		1767
		1768	return unless $self->contr->active;
1445	$self->activate_recursive;	1769	$self->activate_recursive;
1446	$self->enter_map ($map, $x, $y);	1770	$self->enter_map ($map, $x, $y);
1447	}	1771	}
1448		1772
		1773	cf::player->attach (
		1774	on_logout => sub {
		1775	my ($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
1449	=item $player_object->goto_map ($map, $x, $y)	1805	=item $player_object->goto ($path, $x, $y)
1450		1806
1451	=cut	1807	=cut
1452		1808
1453	sub cf::object::player::goto_map {	1809	sub cf::object::player::goto {
1454	my ($self, $path, $x, $y) = @_;	1810	my ($self, $path, $x, $y) = @_;
1455		1811
		1812	$path = new cf::path $path;
		1813
1456	$self->enter_link;	1814	$self->enter_link;
1457		1815
1458	(Coro::async {	1816	(async {
1459	$path = new cf::path $path;
1460
1461	my $map = cf::map::find_map $path->as_string;	1817	my $map = cf::map::find $path->as_string;
1462	$map = $map->customise_for ($self) if $map;	1818	$map = $map->customise_for ($self) if $map;
1463		1819
1464	warn "entering ", $map->path, " at ($x, $y)\n"	1820	# warn "entering ", $map->path, " at ($x, $y)\n"
1465	if $map;	1821	# if $map;
1466		1822
1467	$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);
1468		1824
1469	$self->leave_link ($map, $x, $y);	1825	$self->leave_link ($map, $x, $y);
1470	})->prio (1);	1826	})->prio (1);
1471	}	1827	}
1472		1828
…		…
1525		1881
1526	return unless $self->type == cf::PLAYER;	1882	return unless $self->type == cf::PLAYER;
1527		1883
1528	$self->enter_link;	1884	$self->enter_link;
1529		1885
1530	(Coro::async {	1886	(async {
		1887	$self->deactivate_recursive; # just to be sure
1531	unless (eval {	1888	unless (eval {
1532
1533	prepare_random_map $exit	1889	prepare_random_map $exit
1534	if $exit->slaying eq "/!";	1890	if $exit->slaying eq "/!";
1535		1891
1536	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;
1537	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1538		1894
1539	1;	1895	1;
1540	}) {	1896	}) {
1541	$self->message ("Something went wrong deep within the crossfire server. "	1897	$self->message ("Something went wrong deep within the crossfire server. "
1542	. "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. "
1543	. "Please report this to the dungeon master",	1899	. "Please report this to the dungeon master!",
1544	cf::NDI_UNIQUE | cf::NDI_RED);	1900	cf::NDI_UNIQUE | cf::NDI_RED);
1545		1901
1546	warn "ERROR in enter_exit: $@";	1902	warn "ERROR in enter_exit: $@";
1547	$self->leave_link;	1903	$self->leave_link;
1548	}	1904	}
…		…
1599	on_reply => sub {	1955	on_reply => sub {
1600	my ($ns, $msg) = @_;	1956	my ($ns, $msg) = @_;
1601		1957
1602	# this weird shuffling is so that direct followup queries	1958	# this weird shuffling is so that direct followup queries
1603	# get handled first	1959	# get handled first
1604	my $queue = delete $ns->{query_queue};	1960	my $queue = delete $ns->{query_queue}
		1961	or return; # be conservative, not sure how that can happen, but we saw a crash here
1605		1962
1606	(shift @$queue)->[1]->($msg);	1963	(shift @$queue)->[1]->($msg);
1607		1964
1608	push @{ $ns->{query_queue} }, @$queue;	1965	push @{ $ns->{query_queue} }, @$queue;
1609		1966
…		…
1615	}	1972	}
1616	}	1973	}
1617	},	1974	},
1618	);	1975	);
1619		1976
1620	=item $client->coro (\&cb)	1977	=item $client->async (\&cb)
1621		1978
1622	Create a new coroutine, running the specified callback. The coroutine will	1979	Create a new coroutine, running the specified callback. The coroutine will
1623	be automatically cancelled when the client gets destroyed (e.g. on logout,	1980	be automatically cancelled when the client gets destroyed (e.g. on logout,
1624	or loss of connection).	1981	or loss of connection).
1625		1982
1626	=cut	1983	=cut
1627		1984
1628	sub cf::client::coro {	1985	sub cf::client::async {
1629	my ($self, $cb) = @_;	1986	my ($self, $cb) = @_;
1630		1987
1631	my $coro; $coro = async {	1988	my $coro = &Coro::async ($cb);
1632	eval {
1633	$cb->();
1634	};
1635	warn $@ if $@;
1636	};
1637		1989
1638	$coro->on_destroy (sub {	1990	$coro->on_destroy (sub {
1639	delete $self->{_coro}{$coro+0};	1991	delete $self->{_coro}{$coro+0};
1640	});	1992	});
1641		1993
…		…
1813		2165
1814	{	2166	{
1815	my $path = cf::localdir . "/database.pst";	2167	my $path = cf::localdir . "/database.pst";
1816		2168
1817	sub db_load() {	2169	sub db_load() {
1818	warn "loading database $path\n";#d# remove later
1819	$DB = stat $path ? Storable::retrieve $path : { };	2170	$DB = stat $path ? Storable::retrieve $path : { };
1820	}	2171	}
1821		2172
1822	my $pid;	2173	my $pid;
1823		2174
1824	sub db_save() {	2175	sub db_save() {
1825	warn "saving database $path\n";#d# remove later
1826	waitpid $pid, 0 if $pid;	2176	waitpid $pid, 0 if $pid;
1827	if (0 == ($pid = fork)) {	2177	if (0 == ($pid = fork)) {
1828	$DB->{_meta}{version} = 1;	2178	$DB->{_meta}{version} = 1;
1829	Storable::nstore $DB, "$path~";	2179	Storable::nstore $DB, "$path~";
1830	rename "$path~", $path;	2180	rename "$path~", $path;
…		…
1878	open my $fh, "<:utf8", cf::confdir . "/config"	2228	open my $fh, "<:utf8", cf::confdir . "/config"
1879	or return;	2229	or return;
1880		2230
1881	local $/;	2231	local $/;
1882	*CFG = YAML::Syck::Load <$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	}
1883	}	2246	}
1884		2247
1885	sub main {	2248	sub main {
1886	# we must not ever block the main coroutine	2249	# we must not ever block the main coroutine
1887	local $Coro::idle = sub {	2250	local $Coro::idle = sub {
1888	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#
1889	(Coro::unblock_sub {
1890	Event::one_event;	2252	async { Event::one_event };
1891	})->();
1892	};	2253	};
1893		2254
1894	cfg_load;	2255	cfg_load;
1895	db_load;	2256	db_load;
1896	load_extensions;	2257	load_extensions;
1897	Event::loop;	2258	Event::loop;
1898	}	2259	}
1899		2260
1900	#############################################################################	2261	#############################################################################
1901	# 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	$map->save;
		2299	}
		2300	warn "end emergency map save\n";
		2301	};
		2302
		2303	warn "leave emergency perl save\n";
		2304	}
1902		2305
1903	sub reload() {	2306	sub reload() {
1904	# can/must only be called in main	2307	# can/must only be called in main
1905	if ($Coro::current != $Coro::main) {	2308	if ($Coro::current != $Coro::main) {
1906	warn "can only reload from main coroutine\n";	2309	warn "can only reload from main coroutine\n";
1907	return;	2310	return;
1908	}	2311	}
1909		2312
1910	warn "reloading...";	2313	warn "reloading...";
1911		2314
1912	local $FREEZE = 1;	2315	warn "freezing server";
		2316	my $guard = freeze_mainloop;
1913	cf::emergency_save;	2317	cf::emergency_save;
		2318
		2319	warn "sync database to disk";
		2320	cf::db_sync;
		2321	IO::AIO::flush;
1914		2322
1915	eval {	2323	eval {
1916	# 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
1917		2325
1918	# cancel all watchers	2326	warn "cancel all watchers";
1919	for (Event::all_watchers) {	2327	for (Event::all_watchers) {
1920	$_->cancel if $_->data & WF_AUTOCANCEL;	2328	$_->cancel if $_->data & WF_AUTOCANCEL;
1921	}	2329	}
1922		2330
1923	# cancel all extension coros	2331	warn "cancel all extension coros";
1924	$_->cancel for values %EXT_CORO;	2332	$_->cancel for values %EXT_CORO;
1925	%EXT_CORO = ();	2333	%EXT_CORO = ();
1926		2334
		2335	warn "remove commands";
		2336	%COMMAND = ();
		2337
		2338	warn "remove ext commands";
		2339	%EXTCMD = ();
		2340
1927	# unload all extensions	2341	warn "unload/nuke all extensions";
1928	for (@exts) {	2342	for my $pkg (@EXTS) {
1929	warn "unloading <$_>";	2343	warn "... unloading $pkg";
1930	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: $@";
1931	}	2350	}
1932		2351
		2352	warn "... nuking $pkg";
		2353	Symbol::delete_package $pkg;
		2354	}
		2355
1933	# unload all modules loaded from $LIBDIR	2356	warn "unload all perl modules loaded from $LIBDIR";
1934	while (my ($k, $v) = each %INC) {	2357	while (my ($k, $v) = each %INC) {
1935	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1936		2359
1937	warn "removing <$k>";	2360	warn "removing <$k>";
1938	delete $INC{$k};	2361	delete $INC{$k};
…		…
1945	}	2368	}
1946		2369
1947	Symbol::delete_package $k;	2370	Symbol::delete_package $k;
1948	}	2371	}
1949		2372
1950	# sync database to disk
1951	cf::db_sync;
1952	IO::AIO::flush;
1953
1954	# get rid of safe::, as good as possible	2373	warn "get rid of safe::, as good as possible";
1955	Symbol::delete_package "safe::$_"	2374	Symbol::delete_package "safe::$_"
1956	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);
1957		2376
1958	# remove register_script_function callbacks
1959	# TODO
1960
1961	# unload cf.pm "a bit"	2377	warn "unload cf.pm \"a bit\"";
1962	delete $INC{"cf.pm"};	2378	delete $INC{"cf.pm"};
1963		2379
1964	# don't, removes xs symbols, too,	2380	# don't, removes xs symbols, too,
1965	# and global variables created in xs	2381	# and global variables created in xs
1966	#Symbol::delete_package __PACKAGE__;	2382	#Symbol::delete_package __PACKAGE__;
1967		2383
1968	# reload cf.pm
1969	warn "reloading cf.pm";	2384	warn "reloading cf.pm";
1970	require cf;	2385	require cf;
1971	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1972		2387
1973	# load config and database again	2388	warn "load config and database again";
1974	cf::cfg_load;	2389	cf::cfg_load;
1975	cf::db_load;	2390	cf::db_load;
1976		2391
1977	# load extensions
1978	warn "load extensions";	2392	warn "load extensions";
1979	cf::load_extensions;	2393	cf::load_extensions;
1980		2394
1981	# reattach attachments to objects	2395	warn "reattach attachments to objects/players";
1982	warn "reattach";
1983	_global_reattach;	2396	_global_reattach;
		2397	warn "reattach attachments to maps";
		2398	reattach $_ for values %MAP;
1984	};	2399	};
1985		2400
1986	if ($@) {	2401	if ($@) {
1987	warn $@;	2402	warn $@;
1988	warn "error while reloading, exiting.";	2403	warn "error while reloading, exiting.";
1989	exit 1;	2404	exit 1;
1990	}	2405	}
1991		2406
1992	warn "reloaded successfully";	2407	warn "reloaded";
1993	};	2408	};
1994		2409
1995	#############################################################################	2410	#############################################################################
1996		2411
1997	unless ($LINK_MAP) {	2412	unless ($LINK_MAP) {
…		…
2004	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2005	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2006		2421
2007	# dirty hack because... archetypes are not yet loaded	2422	# dirty hack because... archetypes are not yet loaded
2008	Event->timer (	2423	Event->timer (
2009	after => 2,	2424	after => 10,
2010	cb => sub {	2425	cb => sub {
2011	$_[0]->w->cancel;	2426	$_[0]->w->cancel;
2012		2427
2013	# provide some exits "home"	2428	# provide some exits "home"
2014	my $exit = cf::object::new "exit";	2429	my $exit = cf::object::new "exit";
…		…
2033	$LINK_MAP->{deny_reset} = 1;	2448	$LINK_MAP->{deny_reset} = 1;
2034		2449
2035	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;	2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2036	}	2451	}
2037		2452
2038	register "<global>", __PACKAGE__;
2039
2040	register_command "reload" => sub {	2453	register_command "reload" => sub {
2041	my ($who, $arg) = @_;	2454	my ($who, $arg) = @_;
2042		2455
2043	if ($who->flag (FLAG_WIZ)) {	2456	if ($who->flag (FLAG_WIZ)) {
2044	$who->message ("start of reload.");	2457	$who->message ("start of reload.");
…		…
2053	reentrant => 0,	2466	reentrant => 0,
2054	prio => 0,	2467	prio => 0,
2055	at => $NEXT_TICK || $TICK,	2468	at => $NEXT_TICK || $TICK,
2056	data => WF_AUTOCANCEL,	2469	data => WF_AUTOCANCEL,
2057	cb => sub {	2470	cb => sub {
2058	unless ($FREEZE) {
2059	cf::server_tick; # one server iteration	2471	cf::server_tick; # one server iteration
2060	$RUNTIME += $TICK;	2472	$RUNTIME += $TICK;
2061	}
2062
2063	$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;
2064		2477
2065	# 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
2066	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2067		2480
2068	$TICK_WATCHER->at ($NEXT_TICK);	2481	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2090	or warn "ERROR: unable to write runtime file: $!";	2503	or warn "ERROR: unable to write runtime file: $!";
2091	})->();	2504	})->();
2092	},	2505	},
2093	);	2506	);
2094		2507
		2508	END { cf::emergency_save }
		2509
2095	1	2510	1
2096		2511

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