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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.121 by root, Tue Jan 2 11:11:52 2007 UTC vs.
Revision 1.187 by root, Sat Jan 20 21:06:52 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 3.4 ();
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;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME \|\|= time;	56	our $UPTIME; $UPTIME \|\|= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK \|\|= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE \|\|= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		69
58	binmode STDOUT;	70	binmode STDOUT;
59	binmode STDERR;	71	binmode STDERR;
60		72
61	# read virtual server time, if available	73	# read virtual server time, if available
…		…
69	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
73		85
74	# a special map that is always available	86	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
78		87
79	#############################################################################	88	#############################################################################
80		89
81	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
82		91
…		…
106		115
107	=item %cf::CFG	116	=item %cf::CFG
108		117
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	119	from wherever your confdir points to.
		120
		121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		122
		123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		125	processing has been done. Call C<< ->wait >> on them to maximise the
		126	window of cpu time available, or simply to synchronise to the server tick.
111		127
112	=back	128	=back
113		129
114	=cut	130	=cut
115		131
…		…
119	utf8::encode $msg;	135	utf8::encode $msg;
120		136
121	$msg .= "\n"	137	$msg .= "\n"
122	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
123		139
124	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
125	};	141	};
126	}	142	}
127		143
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		163
148	$Event::DIED = sub {	164	$Event::DIED = sub {
149	warn "error in event callback: @_";	165	warn "error in event callback: @_";
150	};	166	};
151		167
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
157		169
158	=over 4	170	=over 4
159		171
		172	=item dumpval $ref
		173
160	=cut	174	=cut
		175
		176	sub dumpval {
		177	eval {
		178	local $SIG{__DIE__};
		179	my $d;
		180	if (1) {
		181	$d = new Data::Dumper([$_[0]], ["*var"]);
		182	$d->Terse(1);
		183	$d->Indent(2);
		184	$d->Quotekeys(0);
		185	$d->Useqq(1);
		186	#$d->Bless(...);
		187	$d->Seen($_[1]) if @_ > 1;
		188	$d = $d->Dump();
		189	}
		190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		191	$d
		192	} \|\| "[unable to dump $_[0]: '$@']";
		193	}
161		194
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		196
164	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
165		198
…		…
181	sub to_json($) {	214	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	216	JSON::Syck::Dump $_[0]
184	}	217	}
185		218
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	219	=item cf::lock_wait $string
209		220
210	Wait until the given lock is available. See cf::lock_acquire.	221	Wait until the given lock is available. See cf::lock_acquire.
211		222
212	=item my $lock = cf::lock_acquire $string	223	=item my $lock = cf::lock_acquire $string
213		224
214	Wait until the given lock is available and then acquires it and returns	225	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	227	for example when the coroutine gets canceled), the lock is automatically
217	returned.	228	returned.
218		229
219	Lock names should begin with a unique identifier (for example, find_map	230	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	231	uses map_find and cf::map::load uses map_load).
221		232
222	=cut	233	=cut
223		234
224	our %LOCK;	235	our %LOCK;
225		236
…		…
239	# wait, to be sure we are not locked	250	# wait, to be sure we are not locked
240	lock_wait $key;	251	lock_wait $key;
241		252
242	$LOCK{$key} = [];	253	$LOCK{$key} = [];
243		254
244	cf::guard {	255	Coro::guard {
245	# wake up all waiters, to be on the safe side	256	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	257	$_->ready for @{ delete $LOCK{$key} };
247	}	258	}
248	}	259	}
		260
		261	sub freeze_mainloop {
		262	return unless $TICK_WATCHER->is_active;
		263
		264	my $guard = Coro::guard {
		265	$TICK_WATCHER->start;
		266	$WRITE_RUNTIME_WATCHER->start;
		267	};
		268	$WRITE_RUNTIME_WATCHER->stop;
		269	$TICK_WATCHER->stop;
		270	$guard
		271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
249		282
250	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
251		284
252	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
253	always able to handle events or runnable, as crossfire+ is only partly	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
267	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
269		302
270	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	304	# (but this is cancel-safe)
272	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
273		306
274	my $busy = 1;	307	my $busy = 1;
275	my @res;	308	my @res;
276		309
277	(Coro::async {	310	(async {
278	@res = eval { $job->() };	311	@res = eval { $job->() };
279	warn $@ if $@;	312	warn $@ if $@;
280	undef $busy;	313	undef $busy;
281	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
282		315
283	while ($busy) {	316	while ($busy) {
284	Coro::cede_notself;	317	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	318	}
287		319
288	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
289	} else {	321	} else {
290	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
291		323
292	$job->()	324	$job->()
293	}	325	}
294	}	326	}
295		327
296	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
297		329
298	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
300		332
301	=cut	333	=cut
302		334
303	sub coro(&) {	335	sub async_ext(&) {
304	my $cb = shift;	336	my $cb = shift;
305		337
306	my $coro; $coro = async {	338	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		339
313	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
315	});	342	});
316	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
322	my $runtime = cf::localdir . "/runtime";	349	my $runtime = cf::localdir . "/runtime";
323		350
324	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	351	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
325	or return;	352	or return;
326		353
		354	my $value = $cf::RUNTIME + 90 + 10;
327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	355	# 10 is the runtime save interval, for a monotonic clock
		356	# 60 allows for the watchdog to kill the server.
		357
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0	358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;	359	and return;
330		360
331	aio_fsync $fh	361	aio_fsync $fh
332	and return;	362	and return;
…		…
341	}	371	}
342		372
343	=back	373	=back
344		374
345	=cut	375	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} \|\| $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		376
467	#############################################################################	377	#############################################################################
468		378
469	=head2 ATTACHABLE OBJECTS	379	=head2 ATTACHABLE OBJECTS
470		380
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	506	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	507	our @CB_MAP = ();
598		508
599	my %attachment;	509	my %attachment;
600		510
		511	sub cf::attachable::thawer_merge {
		512	# simply override everything except _meta
		513	local $_[0]{_meta};
		514	%{$_[0]} = %{$_[1]};
		515	}
		516
601	sub _attach_cb($$$$) {	517	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	518	my ($registry, $event, $prio, $cb) = @_;
603		519
604	use sort 'stable';	520	use sort 'stable';
605		521
…		…
776	# object support	692	# object support
777		693
778	sub reattach {	694	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	695	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	696	my ($obj) = @_;
		697
		698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		699
782	my $registry = $obj->registry;	700	my $registry = $obj->registry;
783		701
784	@$registry = ();	702	@$registry = ();
785		703
…		…
917	=cut	835	=cut
918		836
919	sub register_extcmd {	837	sub register_extcmd {
920	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
921		839
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	840	$EXTCMD{$name} = $cb;
926	}	841	}
927		842
928	cf::player->attach (	843	cf::player->attach (
929	on_command => sub {	844	on_command => sub {
930	my ($pl, $name, $params) = @_;	845	my ($pl, $name, $params) = @_;
…		…
943		858
944	my $msg = eval { from_json $buf };	859	my $msg = eval { from_json $buf };
945		860
946	if (ref $msg) {	861	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	863	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	864	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	865	}
951	}	866	}
952	} else {	867	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		870
956	cf::override;	871	cf::override;
957	},	872	},
958	);	873	);
959		874
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	875	sub load_extension {
967	my ($path) = @_;	876	my ($path) = @_;
968		877
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	879	my $base = $1;
971	my $pkg = $1;	880	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	881	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	882	$pkg = "ext::$pkg";
974		883
975	warn "loading '$path' into '$pkg'\n";	884	warn "... loading '$path' into '$pkg'\n";
976		885
977	open my $fh, "<:utf8", $path	886	open my $fh, "<:utf8", $path
978	or die "$path: $!";	887	or die "$path: $!";
979		888
980	my $source =	889	my $source =
981	"package $pkg; use strict; use utf8;\n"	890	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	891	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	892	. (do { local $/; <$fh> })
984	. "\n};\n1";	893	. "\n};\n1";
985		894
986	eval $source	895	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	896	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	897	: "extension disabled.\n";
989		898	if ($source =~ /^#!.perl.#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	899	warn $@;
991	$ext_pkg{$base} = $pkg;	900	warn "mandatory extension failed to load, exiting.\n";
992		901	exit 1;
993	# no strict 'refs';	902	}
994	# @{"$pkg\::ISA"} = ext::;	903	die $@;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	904	}
1009		905
1010	# remove commands	906	push @EXTS, $pkg;
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	907	}
1035		908
1036	sub load_extensions {	909	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	910	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	911	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	915	} or warn "$ext not loaded: $@";
1043	}	916	}
1044	}	917	}
1045		918
1046	#############################################################################	919	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		920
1084	=head2 CORE EXTENSIONS	921	=head2 CORE EXTENSIONS
1085		922
1086	Functions and methods that extend core crossfire objects.	923	Functions and methods that extend core crossfire objects.
1087		924
		925	=cut
		926
		927	package cf::player;
		928
		929	use Coro::AIO;
		930
1088	=head3 cf::player	931	=head3 cf::player
1089		932
1090	=over 4	933	=over 4
1091		934
1092	=item cf::player::exists $login	935	=item cf::player::find $login
1093		936
1094	Returns true when the given account exists.	937	Returns the given player object, loading it if necessary (might block).
1095		938
1096	=cut	939	=cut
1097		940
1098	sub cf::player::exists($) {	941	sub playerdir($) {
1099	cf::player::find $_[0]	942	cf::localdir
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	943	. "/"
		944	. cf::playerdir
		945	. "/"
		946	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		947	}
		948
		949	sub path($) {
		950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		951
		952	(playerdir $login) . "/$login.pl"
		953	}
		954
		955	sub find_active($) {
		956	$cf::PLAYER{$_[0]}
		957	and $cf::PLAYER{$_[0]}->active
		958	and $cf::PLAYER{$_[0]}
		959	}
		960
		961	sub exists($) {
		962	my ($login) = @_;
		963
		964	$cf::PLAYER{$login}
		965	or cf::sync_job { !aio_stat path $login }
		966	}
		967
		968	sub find($) {
		969	return $cf::PLAYER{$_[0]} \|\| do {
		970	my $login = $_[0];
		971
		972	my $guard = cf::lock_acquire "user_find:$login";
		973
		974	$cf::PLAYER{$_[0]} \|\| do {
		975	my $pl = load_pl path $login
		976	or return;
		977	$cf::PLAYER{$login} = $pl
		978	}
		979	}
		980	}
		981
		982	sub save($) {
		983	my ($pl) = @_;
		984
		985	return if $pl->{deny_save};
		986
		987	my $path = path $pl;
		988	my $guard = cf::lock_acquire "user_save:$path";
		989
		990	return if $pl->{deny_save};
		991
		992	aio_mkdir playerdir $pl, 0770;
		993	$pl->{last_save} = $cf::RUNTIME;
		994
		995	$pl->save_pl ($path);
		996	Coro::cede;
		997	}
		998
		999	sub new($) {
		1000	my ($login) = @_;
		1001
		1002	my $self = create;
		1003
		1004	$self->ob->name ($login);
		1005	$self->{deny_save} = 1;
		1006
		1007	$cf::PLAYER{$login} = $self;
		1008
		1009	$self
		1010	}
		1011
		1012	=item $pl->quit_character
		1013
		1014	Nukes the player without looking back. If logged in, the connection will
		1015	be destroyed. May block for a long time.
		1016
		1017	=cut
		1018
		1019	sub quit_character {
		1020	my ($pl) = @_;
		1021
		1022	$pl->{deny_save} = 1;
		1023	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1024
		1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1026	$pl->deactivate;
		1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1028	$pl->ns->destroy if $pl->ns;
		1029
		1030	my $path = playerdir $pl;
		1031	my $temp = "$path~$cf::RUNTIME~deleting~";
		1032	aio_rename $path, $temp;
		1033	delete $cf::PLAYER{$pl->ob->name};
		1034	$pl->destroy;
		1035	IO::AIO::aio_rmtree $temp;
		1036	}
		1037
		1038	=item cf::player::list_logins
		1039
		1040	Returns am arrayref of all valid playernames in the system, can take a
		1041	while and may block, so not sync_job-capable, ever.
		1042
		1043	=cut
		1044
		1045	sub list_logins {
		1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1047	or return [];
		1048
		1049	my @logins;
		1050
		1051	for my $login (@$dirs) {
		1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1053	aio_read $fh, 0, 512, my $buf, 0 or next;
		1054	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1055
		1056	utf8::decode $login;
		1057	push @logins, $login;
		1058	}
		1059
		1060	\@logins
		1061	}
		1062
		1063	=item $player->maps
		1064
		1065	Returns an arrayref of map paths that are private for this
		1066	player. May block.
		1067
		1068	=cut
		1069
		1070	sub maps($) {
		1071	my ($pl) = @_;
		1072
		1073	my $files = aio_readdir playerdir $pl
		1074	or return;
		1075
		1076	my @paths;
		1077
		1078	for (@$files) {
		1079	utf8::decode $_;
		1080	next if /\.(?:pl\|pst)$/;
		1081	next unless /^$PATH_SEP/o;
		1082
		1083	s/\.map$//;
		1084	push @paths, "~" . $pl->ob->name . "/" . $_;
		1085	}
		1086
		1087	\@paths
1101	}	1088	}
1102		1089
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1090	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1091
1105	Sends an ext reply to the player.	1092	Sends an ext reply to the player.
1106		1093
1107	=cut	1094	=cut
1108		1095
1109	sub cf::player::ext_reply($$$%) {	1096	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1097	my ($self, $id, %msg) = @_;
1111		1098
1112	$msg{msgid} = $id;	1099	$msg{msgid} = $id;
1113		1100
1114	$self->send ("ext " . to_json \%msg);	1101	$self->send ("ext " . cf::to_json \%msg);
1115	}	1102	}
		1103
		1104	package cf;
1116		1105
1117	=back	1106	=back
1118		1107
1119		1108
1120	=head3 cf::map	1109	=head3 cf::map
…		…
1126	package cf::map;	1115	package cf::map;
1127		1116
1128	use Fcntl;	1117	use Fcntl;
1129	use Coro::AIO;	1118	use Coro::AIO;
1130		1119
		1120	use overload
		1121	'""' => \&as_string,
		1122	fallback => 1;
		1123
1131	our $MAX_RESET = 7200;	1124	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1125	our $DEFAULT_RESET = 3000;
1133		1126
1134	sub generate_random_map {	1127	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1128	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1129	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1130	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1134	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1135	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1141	(cf::region::find $rmp->{region}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	=item cf::map->register ($regex, $prio)
		1146
		1147	Register a handler for the map path matching the given regex at the
		1148	givne priority (higher is better, built-in handlers have priority 0, the
		1149	default).
		1150
		1151	=cut
		1152
		1153	sub register {
		1154	my (undef, $regex, $prio) = @_;
		1155	my $pkg = caller;
		1156
		1157	no strict;
		1158	push @{"$pkg\::ISA"}, __PACKAGE__;
		1159
		1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1161	}
		1162
		1163	# also paths starting with '/'
		1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1165
		1166	sub thawer_merge {
		1167	my ($self, $merge) = @_;
		1168
		1169	# we have to keep some variables in memory intact
		1170	local $self->{path};
		1171	local $self->{load_path};
		1172	local $self->{deny_save};
		1173	local $self->{deny_reset};
		1174
		1175	$self->SUPER::thawer_merge ($merge);
		1176	}
		1177
		1178	sub normalise {
		1179	my ($path, $base) = @_;
		1180
		1181	# map plan:
		1182	#
		1183	# /! non-realised random map exit (special hack!)
		1184	# {... are special paths that are not being touched
		1185	# ?xxx/... are special absolute paths
		1186	# ?random/... random maps
		1187	# /... normal maps
		1188	# ~user/... per-player map of a specific user
		1189
		1190	$path =~ s/$PATH_SEP/\//go;
		1191
		1192	# treat it as relative path if it starts with
		1193	# something that looks reasonable
		1194	if ($path =~ m{^(?:\./\|\.\./\|\w)}) {
		1195	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1196
		1197	$base =~ s{[^/]+/?$}{};
		1198	$path = "$base/$path";
		1199	}
		1200
		1201	for ($path) {
		1202	redo if s{//}{/};
		1203	redo if s{/\.?/}{/};
		1204	redo if s{/[^/]+/\.\./}{/};
		1205	}
		1206
		1207	$path
		1208	}
		1209
		1210	sub new_from_path {
		1211	my (undef, $path, $base) = @_;
		1212
		1213	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1214
		1215	$path = normalise $path, $base;
		1216
		1217	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1218	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1219	my $self = bless cf::map::new, $pkg;
		1220	$self->{path} = $path; $self->path ($path);
		1221	$self->init; # pass $1 etc.
		1222	return $self;
		1223	}
		1224	}
		1225
		1226	Carp::carp "unable to resolve path '$path'.";
		1227	()
		1228	}
		1229
		1230	sub init {
		1231	my ($self) = @_;
		1232
		1233	$self
		1234	}
		1235
		1236	sub as_string {
		1237	my ($self) = @_;
		1238
		1239	"$self->{path}"
		1240	}
		1241
		1242	# the displayed name, this is a one way mapping
		1243	sub visible_name {
		1244	&as_string
		1245	}
		1246
		1247	# the original (read-only) location
		1248	sub load_path {
		1249	my ($self) = @_;
		1250
		1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1252	}
		1253
		1254	# the temporary/swap location
		1255	sub save_path {
		1256	my ($self) = @_;
		1257
		1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1260	}
		1261
		1262	# the unique path, undef == no special unique path
		1263	sub uniq_path {
		1264	my ($self) = @_;
		1265
		1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1151	}	1268	}
1152		1269
1153	# and all this just because we cannot iterate over	1270	# and all this just because we cannot iterate over
1154	# all maps in C++...	1271	# all maps in C++...
1155	sub change_all_map_light {	1272	sub change_all_map_light {
1156	my ($change) = @_;	1273	my ($change) = @_;
1157		1274
1158	$_->change_map_light ($change) for values %cf::MAP;	1275	$_->change_map_light ($change)
		1276	for grep $_->outdoor, values %cf::MAP;
1159	}	1277	}
1160		1278
		1279	sub unlink_save {
		1280	my ($self) = @_;
		1281
		1282	utf8::encode (my $save = $self->save_path);
		1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1284	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1285	}
		1286
1161	sub try_load_header($) {	1287	sub load_header_from($) {
1162	my ($path) = @_;	1288	my ($self, $path) = @_;
1163		1289
1164	utf8::encode $path;	1290	utf8::encode $path;
1165	aio_open $path, O_RDONLY, 0	1291	aio_open $path, O_RDONLY, 0
1166	or return;	1292	or return;
1167		1293
1168	my $map = cf::map::new	1294	$self->_load_header ($path)
1169	or return;	1295	or return;
1170		1296
1171	$map->load_header ($path)	1297	$self->{load_path} = $path;
		1298
		1299	1
		1300	}
		1301
		1302	sub load_orig {
		1303	my ($self) = @_;
		1304
		1305	$self->load_header_from ($self->load_path)
		1306	}
		1307
		1308	sub load_temp {
		1309	my ($self) = @_;
		1310
		1311	$self->load_header_from ($self->save_path)
		1312	}
		1313
		1314	sub load_header {
		1315	my ($self) = @_;
		1316
		1317	if ($self->load_temp) {
		1318	$self->last_access ((delete $self->{last_access})
		1319	\|\| $cf::RUNTIME); #d#
		1320	# safety
		1321	$self->{instantiate_time} = $cf::RUNTIME
		1322	if $self->{instantiate_time} > $cf::RUNTIME;
		1323	} else {
		1324	$self->load_orig
1172	or return;	1325	or return;
1173		1326
1174	$map->{load_path} = $path;	1327	$self->{load_original} = 1;
		1328	$self->{instantiate_time} = $cf::RUNTIME;
		1329	$self->last_access ($cf::RUNTIME);
		1330	$self->instantiate;
		1331	}
1175		1332
1176	$map	1333	1
1177	}	1334	}
1178		1335
		1336	sub find;
1179	sub find_map {	1337	sub find {
1180	my ($path, $origin) = @_;	1338	my ($path, $origin) = @_;
1181		1339
1182	#warn "find_map<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1340	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1341
1187	cf::lock_wait "map_find:$key";	1342	cf::lock_wait "map_find:$path";
1188		1343
1189	$cf::MAP{$key} \|\| do {	1344	$cf::MAP{$path} \|\| do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1345	my $guard = cf::lock_acquire "map_find:$path";
1191		1346	my $map = new_from_path cf::map $path
1192	# do it the slow way
1193	my $map = try_load_header $path->save_path;
1194
1195	if ($map) {
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	1347	or return;
1207		1348
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->instantiate;
1211
1212	# per-player maps become, after loading, normal maps
1213	$map->per_player (0) if $path->{user_rel};
1214	}
1215
1216	$map->path ($key);
1217	$map->{path} = $path;
1218	$map->{last_save} = $cf::RUNTIME;	1349	$map->{last_save} = $cf::RUNTIME;
1219	$map->last_access ($cf::RUNTIME);	1350
		1351	$map->load_header
		1352	or return;
1220		1353
1221	if ($map->should_reset) {	1354	if ($map->should_reset) {
		1355	# doing this can freeze the server in a sync job, obviously
		1356	#$cf::WAIT_FOR_TICK->wait;
1222	$map->reset;	1357	$map->reset;
		1358	undef $guard;
1223	$map = find_map $path;	1359	$map = find $path
		1360	or return;
1224	}	1361	}
1225		1362
1226	$cf::MAP{$key} = $map	1363	$cf::MAP{$path} = $map
1227	}	1364	}
1228	}	1365	}
1229		1366
1230	sub load {	1367	sub load {
1231	my ($self) = @_;	1368	my ($self) = @_;
1232		1369
1233	my $path = $self->{path};	1370	my $path = $self->{path};
1234	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1371	my $guard = cf::lock_acquire "map_load:$path";
1235		1372
1236	return if $self->in_memory != cf::MAP_SWAPPED;	1373	return if $self->in_memory != cf::MAP_SWAPPED;
1237		1374
1238	$self->in_memory (cf::MAP_LOADING);	1375	$self->in_memory (cf::MAP_LOADING);
1239		1376
1240	$self->alloc;	1377	$self->alloc;
1241	$self->load_objects ($self->{load_path}, 1)	1378	$self->_load_objects ($self->{load_path}, 1)
1242	or return;	1379	or return;
1243		1380
1244	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1381	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1245	if delete $self->{load_original};	1382	if delete $self->{load_original};
1246		1383
1247	if (my $uniq = $path->uniq_path) {	1384	if (my $uniq = $self->uniq_path) {
1248	utf8::encode $uniq;	1385	utf8::encode $uniq;
1249	if (aio_open $uniq, O_RDONLY, 0) {	1386	if (aio_open $uniq, O_RDONLY, 0) {
1250	$self->clear_unique_items;	1387	$self->clear_unique_items;
1251	$self->load_objects ($uniq, 0);	1388	$self->_load_objects ($uniq, 0);
1252	}	1389	}
1253	}	1390	}
		1391
		1392	Coro::cede;
1254		1393
1255	# now do the right thing for maps	1394	# now do the right thing for maps
1256	$self->link_multipart_objects;	1395	$self->link_multipart_objects;
1257		1396
1258	if ($self->{path}->is_style_map) {	1397	unless ($self->{deny_activate}) {
1259	$self->{deny_save} = 1;	1398	$self->decay_objects;
1260	$self->{deny_reset} = 1;
1261	} else {
1262	$self->fix_auto_apply;	1399	$self->fix_auto_apply;
1263	$self->decay_objects;
1264	$self->update_buttons;	1400	$self->update_buttons;
		1401	Coro::cede;
1265	$self->set_darkness_map;	1402	$self->set_darkness_map;
1266	$self->difficulty ($self->estimate_difficulty)	1403	$self->difficulty ($self->estimate_difficulty)
1267	unless $self->difficulty;	1404	unless $self->difficulty;
		1405	Coro::cede;
1268	$self->activate;	1406	$self->activate;
1269	}	1407	}
1270		1408
1271	$self->in_memory (cf::MAP_IN_MEMORY);	1409	$self->in_memory (cf::MAP_IN_MEMORY);
1272	}	1410	}
1273		1411
1274	sub load_map_sync {	1412	sub customise_for {
		1413	my ($self, $ob) = @_;
		1414
		1415	return find "~" . $ob->name . "/" . $self->{path}
		1416	if $self->per_player;
		1417
		1418	$self
		1419	}
		1420
		1421	# find and load all maps in the 3x3 area around a map
		1422	sub load_diag {
		1423	my ($map) = @_;
		1424
		1425	my @diag; # diagonal neighbours
		1426
		1427	for (0 .. 3) {
		1428	my $neigh = $map->tile_path ($_)
		1429	or next;
		1430	$neigh = find $neigh, $map
		1431	or next;
		1432	$neigh->load;
		1433
		1434	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1435	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1436	}
		1437
		1438	for (@diag) {
		1439	my $neigh = find @$_
		1440	or next;
		1441	$neigh->load;
		1442	}
		1443	}
		1444
		1445	sub find_sync {
1275	my ($path, $origin) = @_;	1446	my ($path, $origin) = @_;
1276		1447
1277	#warn "load_map_sync<$path, $origin>\n";#d#	1448	cf::sync_job { find $path, $origin }
		1449	}
1278		1450
1279	cf::sync_job {	1451	sub do_load_sync {
1280	my $map = cf::map::find_map $path, $origin	1452	my ($map) = @_;
1281	or return;	1453
		1454	cf::sync_job { $map->load };
		1455	}
		1456
		1457	our %MAP_PREFETCH;
		1458	our $MAP_PREFETCHER = undef;
		1459
		1460	sub find_async {
		1461	my ($path, $origin) = @_;
		1462
		1463	$path = normalise $path, $origin && $origin->{path};
		1464
		1465	if (my $map = $cf::MAP{$path}) {
		1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1467	}
		1468
		1469	undef $MAP_PREFETCH{$path};
		1470	$MAP_PREFETCHER \|\|= cf::async {
		1471	while (%MAP_PREFETCH) {
		1472	for my $path (keys %MAP_PREFETCH) {
		1473	my $map = find $path
		1474	or next;
1282	$map->load;	1475	$map->load;
1283	$map	1476
		1477	delete $MAP_PREFETCH{$path};
		1478	}
		1479	}
		1480	undef $MAP_PREFETCHER;
1284	}	1481	};
		1482
		1483	()
1285	}	1484	}
1286		1485
1287	sub save {	1486	sub save {
1288	my ($self) = @_;	1487	my ($self) = @_;
1289		1488
		1489	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1490
1290	$self->{last_save} = $cf::RUNTIME;	1491	$self->{last_save} = $cf::RUNTIME;
1291		1492
1292	return unless $self->dirty;	1493	return unless $self->dirty;
1293		1494
1294	my $save = $self->{path}->save_path; utf8::encode $save;	1495	my $save = $self->save_path; utf8::encode $save;
1295	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1296		1497
1297	$self->{load_path} = $save;	1498	$self->{load_path} = $save;
1298		1499
1299	return if $self->{deny_save};	1500	return if $self->{deny_save};
1300		1501
		1502	local $self->{last_access} = $self->last_access;#d#
		1503
		1504	cf::async {
		1505	$_->contr->save for $self->players;
		1506	};
		1507
1301	if ($uniq) {	1508	if ($uniq) {
1302	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	1509	$self->_save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
1303	$self->save_objects ($uniq, cf::IO_UNIQUES);	1510	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1304	} else {	1511	} else {
1305	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);	1512	$self->_save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
1306	}	1513	}
1307	}	1514	}
1308		1515
1309	sub swap_out {	1516	sub swap_out {
1310	my ($self) = @_;	1517	my ($self) = @_;
		1518
		1519	# save first because save cedes
		1520	$self->save;
		1521
		1522	my $lock = cf::lock_acquire "map_data:" . $self->path;
1311		1523
1312	return if $self->players;	1524	return if $self->players;
1313	return if $self->in_memory != cf::MAP_IN_MEMORY;	1525	return if $self->in_memory != cf::MAP_IN_MEMORY;
1314	return if $self->{deny_save};	1526	return if $self->{deny_save};
1315		1527
1316	$self->save;
1317	$self->clear;	1528	$self->clear;
1318	$self->in_memory (cf::MAP_SWAPPED);	1529	$self->in_memory (cf::MAP_SWAPPED);
1319	}	1530	}
1320		1531
1321	sub reset_at {	1532	sub reset_at {
1322	my ($self) = @_;	1533	my ($self) = @_;
1323		1534
1324	# TODO: safety, remove and allow resettable per-player maps	1535	# TODO: safety, remove and allow resettable per-player maps
1325	return 1e99 if $self->{path}{user_rel};	1536	return 1e99 if $self->isa ("ext::map_per_player");#d#
1326	return 1e99 if $self->{deny_reset};	1537	return 1e99 if $self->{deny_reset};
1327		1538
1328	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1329	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;	1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
1330		1541
…		…
1335	my ($self) = @_;	1546	my ($self) = @_;
1336		1547
1337	$self->reset_at <= $cf::RUNTIME	1548	$self->reset_at <= $cf::RUNTIME
1338	}	1549	}
1339		1550
1340	sub unlink_save {
1341	my ($self) = @_;
1342
1343	utf8::encode (my $save = $self->{path}->save_path);
1344	aioreq_pri 3; IO::AIO::aio_unlink $save;
1345	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1346	}
1347
1348	sub rename {
1349	my ($self, $new_path) = @_;
1350
1351	$self->unlink_save;
1352
1353	delete $cf::MAP{$self->path};
1354	$self->{path} = new cf::path $new_path;
1355	$self->path ($self->{path}->as_string);
1356	$cf::MAP{$self->path} = $self;
1357
1358	$self->save;
1359	}
1360
1361	sub reset {	1551	sub reset {
1362	my ($self) = @_;	1552	my ($self) = @_;
1363		1553
		1554	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1555
1364	return if $self->players;	1556	return if $self->players;
1365	return if $self->{path}{user_rel};#d#	1557	return if $self->isa ("ext::map_per_player");#d#
1366		1558
1367	warn "resetting map ", $self->path;#d#	1559	warn "resetting map ", $self->path;#d#
1368		1560
1369	delete $cf::MAP{$self->path};	1561	delete $cf::MAP{$self->path};
		1562
		1563	$self->in_memory (cf::MAP_SWAPPED);
		1564	$self->clear;
1370		1565
1371	$_->clear_links_to ($self) for values %cf::MAP;	1566	$_->clear_links_to ($self) for values %cf::MAP;
1372		1567
1373	$self->unlink_save;	1568	$self->unlink_save;
1374	$self->destroy;	1569	$self->destroy;
…		…
1377	my $nuke_counter = "aaaa";	1572	my $nuke_counter = "aaaa";
1378		1573
1379	sub nuke {	1574	sub nuke {
1380	my ($self) = @_;	1575	my ($self) = @_;
1381		1576
		1577	delete $cf::MAP{$self->path};
		1578
		1579	$self->unlink_save;
		1580
		1581	bless $self, "cf::map";
		1582	delete $self->{deny_reset};
1382	$self->{deny_save} = 1;	1583	$self->{deny_save} = 1;
1383	$self->reset_timeout (1);	1584	$self->reset_timeout (1);
1384	$self->rename ("{nuke}/" . ($nuke_counter++));	1585	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1586
		1587	$cf::MAP{$self->path} = $self;
		1588
1385	$self->reset; # polite request, might not happen	1589	$self->reset; # polite request, might not happen
1386	}	1590	}
1387		1591
1388	sub customise_for {	1592	=item cf::map::unique_maps
1389	my ($map, $ob) = @_;
1390		1593
1391	if ($map->per_player) {	1594	Returns an arrayref of paths of all shared maps that have
1392	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1595	instantiated unique items. May block.
1393	}
1394		1596
1395	$map	1597	=cut
1396	}
1397		1598
1398	sub emergency_save {	1599	sub unique_maps() {
1399	local $cf::FREEZE = 1;	1600	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1601	or return;
1400		1602
1401	warn "enter emergency map save\n";	1603	my @paths;
1402		1604
1403	cf::sync_job {	1605	for (@$files) {
1404	warn "begin emergency map save\n";	1606	utf8::decode $_;
1405	$_->save for values %cf::MAP;	1607	next if /\.pst$/;
		1608	next unless /^$PATH_SEP/o;
		1609
		1610	s/\.map$//;
		1611	push @paths, $_;
1406	};	1612	}
1407		1613
1408	warn "end emergency map save\n";	1614	\@paths
1409	}	1615	}
1410		1616
1411	package cf;	1617	package cf;
1412		1618
1413	=back	1619	=back
1414		1620
		1621	=head3 cf::object
		1622
		1623	=cut
		1624
		1625	package cf::object;
		1626
		1627	=over 4
		1628
		1629	=item $ob->inv_recursive
		1630
		1631	Returns the inventory of the object _and_ their inventories, recursively.
		1632
		1633	=cut
		1634
		1635	sub inv_recursive_;
		1636	sub inv_recursive_ {
		1637	map { $_, inv_recursive_ $_->inv } @_
		1638	}
		1639
		1640	sub inv_recursive {
		1641	inv_recursive_ inv $_[0]
		1642	}
		1643
		1644	package cf;
		1645
		1646	=back
1415		1647
1416	=head3 cf::object::player	1648	=head3 cf::object::player
1417		1649
1418	=over 4	1650	=over 4
1419		1651
…		…
1459		1691
1460	=item $player_object->enter_link	1692	=item $player_object->enter_link
1461		1693
1462	Freezes the player and moves him/her to a special map (C<{link}>).	1694	Freezes the player and moves him/her to a special map (C<{link}>).
1463		1695
1464	The player should be reaosnably safe there for short amounts of time. You	1696	The player should be reasonably safe there for short amounts of time. You
1465	I<MUST> call C<leave_link> as soon as possible, though.	1697	I<MUST> call C<leave_link> as soon as possible, though.
1466		1698
		1699	Will never block.
		1700
1467	=item $player_object->leave_link ($map, $x, $y)	1701	=item $player_object->leave_link ($map, $x, $y)
1468		1702
1469	Moves the player out of the specila link map onto the given map. If the	1703	Moves the player out of the special C<{link}> map onto the specified
1470	map is not valid (or omitted), the player will be moved back to the	1704	map. If the map is not valid (or omitted), the player will be moved back
1471	location he/she was before the call to C<enter_link>, or, if that fails,	1705	to the location he/she was before the call to C<enter_link>, or, if that
1472	to the emergency map position.	1706	fails, to the emergency map position.
1473		1707
1474	Might block.	1708	Might block.
1475		1709
1476	=cut	1710	=cut
		1711
		1712	sub link_map {
		1713	unless ($LINK_MAP) {
		1714	$LINK_MAP = cf::map::find "{link}"
		1715	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1716	$LINK_MAP->load;
		1717	}
		1718
		1719	$LINK_MAP
		1720	}
1477		1721
1478	sub cf::object::player::enter_link {	1722	sub cf::object::player::enter_link {
1479	my ($self) = @_;	1723	my ($self) = @_;
1480		1724
1481	$self->deactivate_recursive;	1725	$self->deactivate_recursive;
1482		1726
1483	return if $self->map == $LINK_MAP;	1727	return if UNIVERSAL::isa $self->map, "ext::map_link";
1484		1728
1485	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]	1729	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1486	if $self->map;	1730	if $self->map;
1487		1731
1488	$self->enter_map ($LINK_MAP, 20, 20);	1732	$self->enter_map ($LINK_MAP \|\| link_map, 20, 20);
1489	}	1733	}
1490		1734
1491	sub cf::object::player::leave_link {	1735	sub cf::object::player::leave_link {
1492	my ($self, $map, $x, $y) = @_;	1736	my ($self, $map, $x, $y) = @_;
1493		1737
1494	my $link_pos = delete $self->{_link_pos};	1738	my $link_pos = delete $self->{_link_pos};
1495		1739
1496	unless ($map) {	1740	unless ($map) {
1497	# restore original map position	1741	# restore original map position
1498	($map, $x, $y) = @{ $link_pos \|\| [] };	1742	($map, $x, $y) = @{ $link_pos \|\| [] };
1499	$map = cf::map::find_map $map;	1743	$map = cf::map::find $map;
1500		1744
1501	unless ($map) {	1745	unless ($map) {
1502	($map, $x, $y) = @$EMERGENCY_POSITION;	1746	($map, $x, $y) = @$EMERGENCY_POSITION;
1503	$map = cf::map::find_map $map	1747	$map = cf::map::find $map
1504	or die "FATAL: cannot load emergency map\n";	1748	or die "FATAL: cannot load emergency map\n";
1505	}	1749	}
1506	}	1750	}
1507		1751
1508	($x, $y) = (-1, -1)	1752	($x, $y) = (-1, -1)
…		…
1511	# use -1 or undef as default coordinates, not 0, 0	1755	# use -1 or undef as default coordinates, not 0, 0
1512	($x, $y) = ($map->enter_x, $map->enter_y)	1756	($x, $y) = ($map->enter_x, $map->enter_y)
1513	if $x <=0 && $y <= 0;	1757	if $x <=0 && $y <= 0;
1514		1758
1515	$map->load;	1759	$map->load;
		1760	$map->load_diag;
1516		1761
		1762	return unless $self->contr->active;
1517	$self->activate_recursive;	1763	$self->activate_recursive;
1518	$self->enter_map ($map, $x, $y);	1764	$self->enter_map ($map, $x, $y);
1519	}	1765	}
1520		1766
1521	cf::player->attach (	1767	cf::player->attach (
…		…
1534		1780
1535	# try to abort aborted map switching on player login :)	1781	# try to abort aborted map switching on player login :)
1536	# should happen only on crashes	1782	# should happen only on crashes
1537	if ($pl->ob->{_link_pos}) {	1783	if ($pl->ob->{_link_pos}) {
1538	$pl->ob->enter_link;	1784	$pl->ob->enter_link;
1539	Coro::async {	1785	(async {
1540	# we need this sleep as the login has a concurrent enter_exit running	1786	# we need this sleep as the login has a concurrent enter_exit running
1541	# and this sleep increases chances of the player not ending up in scorn	1787	# and this sleep increases chances of the player not ending up in scorn
		1788	$pl->ob->reply (undef,
		1789	"There was an internal problem at your last logout, "
		1790	. "the server will try to bring you to your intended destination in a second.",
		1791	cf::NDI_RED);
1542	Coro::Timer::sleep 1;	1792	Coro::Timer::sleep 1;
1543	$pl->ob->leave_link;	1793	$pl->ob->leave_link;
1544	};	1794	})->prio (2);
1545	}	1795	}
1546	},	1796	},
1547	);	1797	);
1548		1798
1549	=item $player_object->goto_map ($path, $x, $y)	1799	=item $player_object->goto ($path, $x, $y)
1550		1800
1551	=cut	1801	=cut
1552		1802
1553	sub cf::object::player::goto_map {	1803	sub cf::object::player::goto {
1554	my ($self, $path, $x, $y) = @_;	1804	my ($self, $path, $x, $y) = @_;
1555		1805
1556	$self->enter_link;	1806	$self->enter_link;
1557		1807
1558	(Coro::async {	1808	(async {
1559	$path = new cf::path $path;
1560
1561	my $map = cf::map::find_map $path->as_string;	1809	my $map = cf::map::find $path;
1562	$map = $map->customise_for ($self) if $map;	1810	$map = $map->customise_for ($self) if $map;
1563		1811
1564	# warn "entering ", $map->path, " at ($x, $y)\n"	1812	# warn "entering ", $map->path, " at ($x, $y)\n"
1565	# if $map;	1813	# if $map;
1566		1814
1567	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);	1815	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1568		1816
1569	$self->leave_link ($map, $x, $y);	1817	$self->leave_link ($map, $x, $y);
1570	})->prio (1);	1818	})->prio (1);
1571	}	1819	}
1572		1820
…		…
1576		1824
1577	sub parse_random_map_params {	1825	sub parse_random_map_params {
1578	my ($spec) = @_;	1826	my ($spec) = @_;
1579		1827
1580	my $rmp = { # defaults	1828	my $rmp = { # defaults
1581	xsize => 10,	1829	xsize => (cf::rndm 15, 40),
1582	ysize => 10,	1830	ysize => (cf::rndm 15, 40),
		1831	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1832	#layout => string,
1583	};	1833	};
1584		1834
1585	for (split /\n/, $spec) {	1835	for (split /\n/, $spec) {
1586	my ($k, $v) = split /\s+/, $_, 2;	1836	my ($k, $v) = split /\s+/, $_, 2;
1587		1837
…		…
1591	$rmp	1841	$rmp
1592	}	1842	}
1593		1843
1594	sub prepare_random_map {	1844	sub prepare_random_map {
1595	my ($exit) = @_;	1845	my ($exit) = @_;
		1846
		1847	my $guard = cf::lock_acquire "exit_prepare:$exit";
1596		1848
1597	# all this does is basically replace the /! path by	1849	# all this does is basically replace the /! path by
1598	# a new random map path (?random/...) with a seed	1850	# a new random map path (?random/...) with a seed
1599	# that depends on the exit object	1851	# that depends on the exit object
1600		1852
…		…
1609		1861
1610	$rmp->{random_seed} \|\|= $exit->random_seed;	1862	$rmp->{random_seed} \|\|= $exit->random_seed;
1611		1863
1612	my $data = cf::to_json $rmp;	1864	my $data = cf::to_json $rmp;
1613	my $md5 = Digest::MD5::md5_hex $data;	1865	my $md5 = Digest::MD5::md5_hex $data;
		1866	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1614		1867
1615	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {	1868	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {
1616	aio_write $fh, 0, (length $data), $data, 0;	1869	aio_write $fh, 0, (length $data), $data, 0;
		1870	undef $fh;
		1871	aio_rename "$meta~", $meta;
1617		1872
1618	$exit->slaying ("?random/$md5");	1873	$exit->slaying ("?random/$md5");
1619	$exit->msg (undef);	1874	$exit->msg (undef);
1620	}	1875	}
1621	}	1876	}
…		…
1625		1880
1626	return unless $self->type == cf::PLAYER;	1881	return unless $self->type == cf::PLAYER;
1627		1882
1628	$self->enter_link;	1883	$self->enter_link;
1629		1884
1630	(Coro::async {	1885	(async {
		1886	$self->deactivate_recursive; # just to be sure
1631	unless (eval {	1887	unless (eval {
1632
1633	prepare_random_map $exit	1888	prepare_random_map $exit
1634	if $exit->slaying eq "/!";	1889	if $exit->slaying eq "/!";
1635		1890
1636	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1891	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1637	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1892	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1638		1893
1639	1;	1894	1;
1640	}) {	1895	}) {
1641	$self->message ("Something went wrong deep within the crossfire server. "	1896	$self->message ("Something went wrong deep within the crossfire server. "
1642	. "I'll try to bring you back to the map you were before. "	1897	. "I'll try to bring you back to the map you were before. "
1643	. "Please report this to the dungeon master",	1898	. "Please report this to the dungeon master!",
1644	cf::NDI_UNIQUE \| cf::NDI_RED);	1899	cf::NDI_UNIQUE \| cf::NDI_RED);
1645		1900
1646	warn "ERROR in enter_exit: $@";	1901	warn "ERROR in enter_exit: $@";
1647	$self->leave_link;	1902	$self->leave_link;
1648	}	1903	}
…		…
1699	on_reply => sub {	1954	on_reply => sub {
1700	my ($ns, $msg) = @_;	1955	my ($ns, $msg) = @_;
1701		1956
1702	# this weird shuffling is so that direct followup queries	1957	# this weird shuffling is so that direct followup queries
1703	# get handled first	1958	# get handled first
1704	my $queue = delete $ns->{query_queue};	1959	my $queue = delete $ns->{query_queue}
		1960	or return; # be conservative, not sure how that can happen, but we saw a crash here
1705		1961
1706	(shift @$queue)->[1]->($msg);	1962	(shift @$queue)->[1]->($msg);
1707		1963
1708	push @{ $ns->{query_queue} }, @$queue;	1964	push @{ $ns->{query_queue} }, @$queue;
1709		1965
…		…
1715	}	1971	}
1716	}	1972	}
1717	},	1973	},
1718	);	1974	);
1719		1975
1720	=item $client->coro (\&cb)	1976	=item $client->async (\&cb)
1721		1977
1722	Create a new coroutine, running the specified callback. The coroutine will	1978	Create a new coroutine, running the specified callback. The coroutine will
1723	be automatically cancelled when the client gets destroyed (e.g. on logout,	1979	be automatically cancelled when the client gets destroyed (e.g. on logout,
1724	or loss of connection).	1980	or loss of connection).
1725		1981
1726	=cut	1982	=cut
1727		1983
1728	sub cf::client::coro {	1984	sub cf::client::async {
1729	my ($self, $cb) = @_;	1985	my ($self, $cb) = @_;
1730		1986
1731	my $coro; $coro = async {	1987	my $coro = &Coro::async ($cb);
1732	eval {
1733	$cb->();
1734	};
1735	warn $@ if $@;
1736	};
1737		1988
1738	$coro->on_destroy (sub {	1989	$coro->on_destroy (sub {
1739	delete $self->{_coro}{$coro+0};	1990	delete $self->{_coro}{$coro+0};
1740	});	1991	});
1741		1992
…		…
1935	sub db_sync() {	2186	sub db_sync() {
1936	db_save if $dirty;	2187	db_save if $dirty;
1937	undef $dirty;	2188	undef $dirty;
1938	}	2189	}
1939		2190
1940	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2191	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1941	db_sync;	2192	db_sync;
1942	});	2193	});
1943		2194
1944	sub db_dirty() {	2195	sub db_dirty() {
1945	$dirty = 1;	2196	$dirty = 1;
…		…
1976	open my $fh, "<:utf8", cf::confdir . "/config"	2227	open my $fh, "<:utf8", cf::confdir . "/config"
1977	or return;	2228	or return;
1978		2229
1979	local $/;	2230	local $/;
1980	*CFG = YAML::Syck::Load <$fh>;	2231	*CFG = YAML::Syck::Load <$fh>;
		2232
		2233	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
		2234
		2235	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2236	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2237
		2238	if (exists $CFG{mlockall}) {
		2239	eval {
		2240	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2241	and die "WARNING: m(un)lockall failed: $!\n";
		2242	};
		2243	warn $@ if $@;
		2244	}
1981	}	2245	}
1982		2246
1983	sub main {	2247	sub main {
1984	# we must not ever block the main coroutine	2248	# we must not ever block the main coroutine
1985	local $Coro::idle = sub {	2249	local $Coro::idle = sub {
1986	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2250	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1987	(Coro::unblock_sub {	2251	(async {
1988	Event::one_event;	2252	Event::one_event;
1989	})->();	2253	})->prio (Coro::PRIO_MAX);
1990	};	2254	};
1991		2255
1992	cfg_load;	2256	cfg_load;
1993	db_load;	2257	db_load;
1994	load_extensions;	2258	load_extensions;
		2259
		2260	$TICK_WATCHER->start;
1995	Event::loop;	2261	Event::loop;
1996	}	2262	}
1997		2263
1998	#############################################################################	2264	#############################################################################
1999	# initialisation	2265	# initialisation and cleanup
		2266
		2267	# install some emergency cleanup handlers
		2268	BEGIN {
		2269	for my $signal (qw(INT HUP TERM)) {
		2270	Event->signal (
		2271	data => WF_AUTOCANCEL,
		2272	signal => $signal,
		2273	cb => sub {
		2274	cf::cleanup "SIG$signal";
		2275	},
		2276	);
		2277	}
		2278	}
		2279
		2280	sub emergency_save() {
		2281	my $freeze_guard = cf::freeze_mainloop;
		2282
		2283	warn "enter emergency perl save\n";
		2284
		2285	cf::sync_job {
		2286	# use a peculiar iteration method to avoid tripping on perl
		2287	# refcount bugs in for. also avoids problems with players
		2288	# and maps saved/destroyed asynchronously.
		2289	warn "begin emergency player save\n";
		2290	for my $login (keys %cf::PLAYER) {
		2291	my $pl = $cf::PLAYER{$login} or next;
		2292	$pl->valid or next;
		2293	$pl->save;
		2294	}
		2295	warn "end emergency player save\n";
		2296
		2297	warn "begin emergency map save\n";
		2298	for my $path (keys %cf::MAP) {
		2299	my $map = $cf::MAP{$path} or next;
		2300	$map->valid or next;
		2301	$map->save;
		2302	}
		2303	warn "end emergency map save\n";
		2304	};
		2305
		2306	warn "leave emergency perl save\n";
		2307	}
2000		2308
2001	sub reload() {	2309	sub reload() {
2002	# can/must only be called in main	2310	# can/must only be called in main
2003	if ($Coro::current != $Coro::main) {	2311	if ($Coro::current != $Coro::main) {
2004	warn "can only reload from main coroutine\n";	2312	warn "can only reload from main coroutine";
2005	return;	2313	return;
2006	}	2314	}
2007		2315
2008	warn "reloading...";	2316	warn "reloading...";
2009		2317
2010	local $FREEZE = 1;	2318	warn "cancelling server ticker";
		2319	$TICK_WATCHER->cancel;
		2320
2011	cf::emergency_save;	2321	cf::emergency_save;
2012		2322
2013	eval {	2323	eval {
2014	# 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
2015		2325
2016	# cancel all watchers	2326	warn "syncing database to disk";
		2327	cf::db_sync;
		2328
		2329	warn "cancelling all WF_AUTOCANCEL watchers";
2017	for (Event::all_watchers) {	2330	for (Event::all_watchers) {
2018	$_->cancel if $_->data & WF_AUTOCANCEL;	2331	$_->cancel if $_->data & WF_AUTOCANCEL;
2019	}	2332	}
2020		2333
		2334	warn "flushing outstanding aio requests";
		2335	for (;;) {
		2336	IO::AIO::flush;
		2337	Coro::cede;
		2338	last unless IO::AIO::nreqs;
		2339	warn "iterate...";
		2340	}
		2341
2021	# cancel all extension coros	2342	warn "cancelling all extension coros";
2022	$_->cancel for values %EXT_CORO;	2343	$_->cancel for values %EXT_CORO;
2023	%EXT_CORO = ();	2344	%EXT_CORO = ();
2024		2345
2025	# unload all extensions	2346	warn "removing commands";
2026	for (@exts) {	2347	%COMMAND = ();
		2348
		2349	warn "removing ext commands";
		2350	%EXTCMD = ();
		2351
		2352	warn "unloading/nuking all extensions";
		2353	for my $pkg (@EXTS) {
2027	warn "unloading <$_>";	2354	warn "... unloading $pkg";
2028	unload_extension $_;	2355
		2356	if (my $cb = $pkg->can ("unload")) {
		2357	eval {
		2358	$cb->($pkg);
		2359	1
		2360	} or warn "$pkg unloaded, but with errors: $@";
2029	}	2361	}
2030		2362
		2363	warn "... nuking $pkg";
		2364	Symbol::delete_package $pkg;
		2365	}
		2366
2031	# unload all modules loaded from $LIBDIR	2367	warn "unloading all perl modules loaded from $LIBDIR";
2032	while (my ($k, $v) = each %INC) {	2368	while (my ($k, $v) = each %INC) {
2033	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2369	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2034		2370
2035	warn "removing <$k>";	2371	warn "... unloading $k";
2036	delete $INC{$k};	2372	delete $INC{$k};
2037		2373
2038	$k =~ s/\.pm$//;	2374	$k =~ s/\.pm$//;
2039	$k =~ s/\//::/g;	2375	$k =~ s/\//::/g;
2040		2376
…		…
2043	}	2379	}
2044		2380
2045	Symbol::delete_package $k;	2381	Symbol::delete_package $k;
2046	}	2382	}
2047		2383
2048	# sync database to disk
2049	cf::db_sync;
2050	IO::AIO::flush;
2051
2052	# get rid of safe::, as good as possible	2384	warn "getting rid of safe::, as good as possible";
2053	Symbol::delete_package "safe::$_"	2385	Symbol::delete_package "safe::$_"
2054	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2386	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2055		2387
2056	# remove register_script_function callbacks
2057	# TODO
2058
2059	# unload cf.pm "a bit"	2388	warn "unloading cf.pm \"a bit\"";
2060	delete $INC{"cf.pm"};	2389	delete $INC{"cf.pm"};
2061		2390
2062	# don't, removes xs symbols, too,	2391	# don't, removes xs symbols, too,
2063	# and global variables created in xs	2392	# and global variables created in xs
2064	#Symbol::delete_package __PACKAGE__;	2393	#Symbol::delete_package __PACKAGE__;
2065		2394
2066	# reload cf.pm	2395	warn "unload completed, starting to reload now";
		2396
2067	warn "reloading cf.pm";	2397	warn "reloading cf.pm";
2068	require cf;	2398	require cf;
2069	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2399	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2070		2400
2071	# load config and database again	2401	warn "loading config and database again";
2072	cf::cfg_load;	2402	cf::cfg_load;
2073	cf::db_load;	2403	cf::db_load;
2074		2404
2075	# load extensions
2076	warn "load extensions";	2405	warn "loading extensions";
2077	cf::load_extensions;	2406	cf::load_extensions;
2078		2407
2079	# reattach attachments to objects	2408	warn "reattaching attachments to objects/players";
2080	warn "reattach";
2081	_global_reattach;	2409	_global_reattach;
		2410	warn "reattaching attachments to maps";
		2411	reattach $_ for values %MAP;
		2412
		2413	warn "restarting server ticker";
		2414
		2415	$TICK_WATCHER->start;
2082	};	2416	};
2083		2417
2084	if ($@) {	2418	if ($@) {
2085	warn $@;	2419	warn $@;
2086	warn "error while reloading, exiting.";	2420	warn "error while reloading, exiting.";
2087	exit 1;	2421	exit 1;
2088	}	2422	}
2089		2423
2090	warn "reloaded successfully";	2424	warn "reloaded";
2091	};	2425	};
2092		2426
2093	#############################################################################	2427	our $RELOAD_WATCHER; # used only during reload
2094
2095	unless ($LINK_MAP) {
2096	$LINK_MAP = cf::map::new;
2097
2098	$LINK_MAP->width (41);
2099	$LINK_MAP->height (41);
2100	$LINK_MAP->alloc;
2101	$LINK_MAP->path ("{link}");
2102	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2103	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2104
2105	# dirty hack because... archetypes are not yet loaded
2106	Event->timer (
2107	after => 2,
2108	cb => sub {
2109	$_[0]->w->cancel;
2110
2111	# provide some exits "home"
2112	my $exit = cf::object::new "exit";
2113
2114	$exit->slaying ($EMERGENCY_POSITION->[0]);
2115	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2116	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2117
2118	$LINK_MAP->insert ($exit->clone, 19, 19);
2119	$LINK_MAP->insert ($exit->clone, 19, 20);
2120	$LINK_MAP->insert ($exit->clone, 19, 21);
2121	$LINK_MAP->insert ($exit->clone, 20, 19);
2122	$LINK_MAP->insert ($exit->clone, 20, 21);
2123	$LINK_MAP->insert ($exit->clone, 21, 19);
2124	$LINK_MAP->insert ($exit->clone, 21, 20);
2125	$LINK_MAP->insert ($exit->clone, 21, 21);
2126
2127	$exit->destroy;
2128	});
2129
2130	$LINK_MAP->{deny_save} = 1;
2131	$LINK_MAP->{deny_reset} = 1;
2132
2133	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2134	}
2135
2136	register "<global>", __PACKAGE__;
2137		2428
2138	register_command "reload" => sub {	2429	register_command "reload" => sub {
2139	my ($who, $arg) = @_;	2430	my ($who, $arg) = @_;
2140		2431
2141	if ($who->flag (FLAG_WIZ)) {	2432	if ($who->flag (FLAG_WIZ)) {
2142	$who->message ("start of reload.");	2433	$who->message ("reloading server.");
		2434
		2435	# doing reload synchronously and two reloads happen back-to-back,
		2436	# coro crashes during coro_state_free->destroy here.
		2437
		2438	$RELOAD_WATCHER \|\|= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2143	reload;	2439	reload;
2144	$who->message ("end of reload.");	2440	undef $RELOAD_WATCHER;
		2441	});
2145	}	2442	}
2146	};	2443	};
2147		2444
2148	unshift @INC, $LIBDIR;	2445	unshift @INC, $LIBDIR;
		2446
		2447	my $bug_warning = 0;
2149		2448
2150	$TICK_WATCHER = Event->timer (	2449	$TICK_WATCHER = Event->timer (
2151	reentrant => 0,	2450	reentrant => 0,
		2451	parked => 1,
2152	prio => 0,	2452	prio => 0,
2153	at => $NEXT_TICK \|\| $TICK,	2453	at => $NEXT_TICK \|\| $TICK,
2154	data => WF_AUTOCANCEL,	2454	data => WF_AUTOCANCEL,
2155	cb => sub {	2455	cb => sub {
2156	unless ($FREEZE) {	2456	if ($Coro::current != $Coro::main) {
		2457	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2458	unless ++$bug_warning > 10;
		2459	return;
		2460	}
		2461
		2462	$NOW = Event::time;
		2463
2157	cf::server_tick; # one server iteration	2464	cf::server_tick; # one server iteration
2158	$RUNTIME += $TICK;	2465	$RUNTIME += $TICK;
2159	}
2160
2161	$NEXT_TICK += $TICK;	2466	$NEXT_TICK += $TICK;
		2467
		2468	$WAIT_FOR_TICK->broadcast;
		2469	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2162		2470
2163	# if we are delayed by four ticks or more, skip them all	2471	# if we are delayed by four ticks or more, skip them all
2164	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2472	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2165		2473
2166	$TICK_WATCHER->at ($NEXT_TICK);	2474	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2168	},	2476	},
2169	);	2477	);
2170		2478
2171	IO::AIO::max_poll_time $TICK * 0.2;	2479	IO::AIO::max_poll_time $TICK * 0.2;
2172		2480
2173	Event->io (	2481	$AIO_POLL_WATCHER = Event->io (
2174	fd => IO::AIO::poll_fileno,	2482	fd => IO::AIO::poll_fileno,
2175	poll => 'r',	2483	poll => 'r',
2176	prio => 5,	2484	prio => 5,
2177	data => WF_AUTOCANCEL,	2485	data => WF_AUTOCANCEL,
2178	cb => \&IO::AIO::poll_cb,	2486	cb => \&IO::AIO::poll_cb,
2179	);	2487	);
2180		2488
2181	Event->timer (	2489	$WRITE_RUNTIME_WATCHER = Event->timer (
2182	data => WF_AUTOCANCEL,	2490	data => WF_AUTOCANCEL,
2183	after => 0,	2491	after => 1,
2184	interval => 10,	2492	interval => 10,
2185	cb => sub {	2493	prio => 6, # keep it lowest so it acts like a watchdog
2186	(Coro::unblock_sub {	2494	cb => Coro::unblock_sub {
2187	write_runtime	2495	write_runtime
2188	or warn "ERROR: unable to write runtime file: $!";	2496	or warn "ERROR: unable to write runtime file: $!";
2189	})->();
2190	},	2497	},
2191	);	2498	);
2192		2499
		2500	END { cf::emergency_save }
		2501
2193	1	2502	1
2194		2503

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.121 by root, Tue Jan 2 11:11:52 2007 UTC vs. Revision 1.187 by root, Sat Jan 20 21:06:52 2007 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.121 by root, Tue Jan 2 11:11:52 2007 UTC vs.
Revision 1.187 by root, Sat Jan 20 21:06:52 2007 UTC