[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 1.197 by root, Sun Jan 28 00:20:02 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 3.5 ();
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	$path = "$path"; # make sure its a string
		1182
		1183	# map plan:
		1184	#
		1185	# /! non-realised random map exit (special hack!)
		1186	# {... are special paths that are not being touched
		1187	# ?xxx/... are special absolute paths
		1188	# ?random/... random maps
		1189	# /... normal maps
		1190	# ~user/... per-player map of a specific user
		1191
		1192	$path =~ s/$PATH_SEP/\//go;
		1193
		1194	# treat it as relative path if it starts with
		1195	# something that looks reasonable
		1196	if ($path =~ m{^(?:\./\|\.\./\|\w)}) {
		1197	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1198
		1199	$base =~ s{[^/]+/?$}{};
		1200	$path = "$base/$path";
		1201	}
		1202
		1203	for ($path) {
		1204	redo if s{//}{/};
		1205	redo if s{/\.?/}{/};
		1206	redo if s{/[^/]+/\.\./}{/};
		1207	}
		1208
		1209	$path
		1210	}
		1211
		1212	sub new_from_path {
		1213	my (undef, $path, $base) = @_;
		1214
		1215	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1216
		1217	$path = normalise $path, $base;
		1218
		1219	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1220	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1221	my $self = bless cf::map::new, $pkg;
		1222	$self->{path} = $path; $self->path ($path);
		1223	$self->init; # pass $1 etc.
		1224	return $self;
		1225	}
		1226	}
		1227
		1228	Carp::carp "unable to resolve path '$path' (base '$base').";
		1229	()
		1230	}
		1231
		1232	sub init {
		1233	my ($self) = @_;
		1234
		1235	$self
		1236	}
		1237
		1238	sub as_string {
		1239	my ($self) = @_;
		1240
		1241	"$self->{path}"
		1242	}
		1243
		1244	# the displayed name, this is a one way mapping
		1245	sub visible_name {
		1246	&as_string
		1247	}
		1248
		1249	# the original (read-only) location
		1250	sub load_path {
		1251	my ($self) = @_;
		1252
		1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1254	}
		1255
		1256	# the temporary/swap location
		1257	sub save_path {
		1258	my ($self) = @_;
		1259
		1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1262	}
		1263
		1264	# the unique path, undef == no special unique path
		1265	sub uniq_path {
		1266	my ($self) = @_;
		1267
		1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1151	}	1270	}
1152		1271
1153	# and all this just because we cannot iterate over	1272	# and all this just because we cannot iterate over
1154	# all maps in C++...	1273	# all maps in C++...
1155	sub change_all_map_light {	1274	sub change_all_map_light {
1156	my ($change) = @_;	1275	my ($change) = @_;
1157		1276
1158	$_->change_map_light ($change) for values %cf::MAP;	1277	$_->change_map_light ($change)
		1278	for grep $_->outdoor, values %cf::MAP;
1159	}	1279	}
1160		1280
		1281	sub unlink_save {
		1282	my ($self) = @_;
		1283
		1284	utf8::encode (my $save = $self->save_path);
		1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1286	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1287	}
		1288
1161	sub try_load_header($) {	1289	sub load_header_from($) {
1162	my ($path) = @_;	1290	my ($self, $path) = @_;
1163		1291
1164	utf8::encode $path;	1292	utf8::encode $path;
1165	aio_open $path, O_RDONLY, 0	1293	aio_open $path, O_RDONLY, 0
1166	or return;	1294	or return;
1167		1295
1168	my $map = cf::map::new	1296	$self->_load_header ($path)
1169	or return;	1297	or return;
1170		1298
1171	$map->load_header ($path)	1299	$self->{load_path} = $path;
		1300
		1301	1
		1302	}
		1303
		1304	sub load_header_orig {
		1305	my ($self) = @_;
		1306
		1307	$self->load_header_from ($self->load_path)
		1308	}
		1309
		1310	sub load_header_temp {
		1311	my ($self) = @_;
		1312
		1313	$self->load_header_from ($self->save_path)
		1314	}
		1315
		1316	sub prepare_temp {
		1317	my ($self) = @_;
		1318
		1319	$self->last_access ((delete $self->{last_access})
		1320	\|\| $cf::RUNTIME); #d#
		1321	# safety
		1322	$self->{instantiate_time} = $cf::RUNTIME
		1323	if $self->{instantiate_time} > $cf::RUNTIME;
		1324	}
		1325
		1326	sub prepare_orig {
		1327	my ($self) = @_;
		1328
		1329	$self->{load_original} = 1;
		1330	$self->{instantiate_time} = $cf::RUNTIME;
		1331	$self->last_access ($cf::RUNTIME);
		1332	$self->instantiate;
		1333	}
		1334
		1335	sub load_header {
		1336	my ($self) = @_;
		1337
		1338	if ($self->load_header_temp) {
		1339	$self->prepare_temp;
		1340	} else {
		1341	$self->load_header_orig
1172	or return;	1342	or return;
		1343	$self->prepare_orig;
		1344	}
1173		1345
1174	$map->{load_path} = $path;	1346	1
1175
1176	$map
1177	}	1347	}
1178		1348
		1349	sub find;
1179	sub find_map {	1350	sub find {
1180	my ($path, $origin) = @_;	1351	my ($path, $origin) = @_;
1181		1352
1182	#warn "find_map<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1353	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1354
1187	cf::lock_wait "map_find:$key";	1355	cf::lock_wait "map_find:$path";
1188		1356
1189	$cf::MAP{$key} \|\| do {	1357	$cf::MAP{$path} \|\| do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1358	my $guard = cf::lock_acquire "map_find:$path";
1191		1359	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;	1360	or return;
1207		1361
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;	1362	$map->{last_save} = $cf::RUNTIME;
1219	$map->last_access ($cf::RUNTIME);
1220		1363
1221	if ($map->should_reset) {	1364	$map->load_header
		1365	or return;
		1366
		1367	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1368	# doing this can freeze the server in a sync job, obviously
		1369	#$cf::WAIT_FOR_TICK->wait;
1222	$map->reset;	1370	$map->reset;
1223	$map = find_map $path;	1371	undef $guard;
		1372	return find $path;
1224	}	1373	}
1225		1374
1226	$cf::MAP{$key} = $map	1375	$cf::MAP{$path} = $map
1227	}	1376	}
1228	}	1377	}
		1378
		1379	sub pre_load { }
		1380	sub post_load { }
1229		1381
1230	sub load {	1382	sub load {
1231	my ($self) = @_;	1383	my ($self) = @_;
1232		1384
		1385	local $self->{deny_reset} = 1; # loading can take a long time
		1386
1233	my $path = $self->{path};	1387	my $path = $self->{path};
1234	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1388	my $guard = cf::lock_acquire "map_load:$path";
1235		1389
1236	return if $self->in_memory != cf::MAP_SWAPPED;	1390	return if $self->in_memory != cf::MAP_SWAPPED;
1237		1391
1238	$self->in_memory (cf::MAP_LOADING);	1392	$self->in_memory (cf::MAP_LOADING);
1239		1393
1240	$self->alloc;	1394	$self->alloc;
		1395
		1396	$self->pre_load;
		1397
1241	$self->load_objects ($self->{load_path}, 1)	1398	$self->_load_objects ($self->{load_path}, 1)
1242	or return;	1399	or return;
1243		1400
1244	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1401	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1245	if delete $self->{load_original};	1402	if delete $self->{load_original};
1246		1403
1247	if (my $uniq = $path->uniq_path) {	1404	if (my $uniq = $self->uniq_path) {
1248	utf8::encode $uniq;	1405	utf8::encode $uniq;
1249	if (aio_open $uniq, O_RDONLY, 0) {	1406	if (aio_open $uniq, O_RDONLY, 0) {
1250	$self->clear_unique_items;	1407	$self->clear_unique_items;
1251	$self->load_objects ($uniq, 0);	1408	$self->_load_objects ($uniq, 0);
1252	}	1409	}
1253	}	1410	}
		1411
		1412	Coro::cede;
1254		1413
1255	# now do the right thing for maps	1414	# now do the right thing for maps
1256	$self->link_multipart_objects;	1415	$self->link_multipart_objects;
1257		1416
1258	if ($self->{path}->is_style_map) {	1417	unless ($self->{deny_activate}) {
1259	$self->{deny_save} = 1;	1418	$self->decay_objects;
1260	$self->{deny_reset} = 1;
1261	} else {
1262	$self->fix_auto_apply;	1419	$self->fix_auto_apply;
1263	$self->decay_objects;
1264	$self->update_buttons;	1420	$self->update_buttons;
		1421	Coro::cede;
1265	$self->set_darkness_map;	1422	$self->set_darkness_map;
1266	$self->difficulty ($self->estimate_difficulty)	1423	$self->difficulty ($self->estimate_difficulty)
1267	unless $self->difficulty;	1424	unless $self->difficulty;
		1425	Coro::cede;
1268	$self->activate;	1426	$self->activate;
1269	}	1427	}
1270		1428
		1429	$self->post_load;
		1430
1271	$self->in_memory (cf::MAP_IN_MEMORY);	1431	$self->in_memory (cf::MAP_IN_MEMORY);
1272	}	1432	}
1273		1433
1274	sub load_map_sync {	1434	sub customise_for {
		1435	my ($self, $ob) = @_;
		1436
		1437	return find "~" . $ob->name . "/" . $self->{path}
		1438	if $self->per_player;
		1439
		1440	$self
		1441	}
		1442
		1443	# find and load all maps in the 3x3 area around a map
		1444	sub load_diag {
		1445	my ($map) = @_;
		1446
		1447	my @diag; # diagonal neighbours
		1448
		1449	for (0 .. 3) {
		1450	my $neigh = $map->tile_path ($_)
		1451	or next;
		1452	$neigh = find $neigh, $map
		1453	or next;
		1454	$neigh->load;
		1455
		1456	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1457	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1458	}
		1459
		1460	for (@diag) {
		1461	my $neigh = find @$_
		1462	or next;
		1463	$neigh->load;
		1464	}
		1465	}
		1466
		1467	sub find_sync {
1275	my ($path, $origin) = @_;	1468	my ($path, $origin) = @_;
1276		1469
1277	#warn "load_map_sync<$path, $origin>\n";#d#	1470	cf::sync_job { find $path, $origin }
		1471	}
1278		1472
1279	cf::sync_job {	1473	sub do_load_sync {
1280	my $map = cf::map::find_map $path, $origin	1474	my ($map) = @_;
1281	or return;	1475
		1476	cf::sync_job { $map->load };
		1477	}
		1478
		1479	our %MAP_PREFETCH;
		1480	our $MAP_PREFETCHER = undef;
		1481
		1482	sub find_async {
		1483	my ($path, $origin) = @_;
		1484
		1485	$path = normalise $path, $origin && $origin->{path};
		1486
		1487	if (my $map = $cf::MAP{$path}) {
		1488	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1489	}
		1490
		1491	undef $MAP_PREFETCH{$path};
		1492	$MAP_PREFETCHER \|\|= cf::async {
		1493	while (%MAP_PREFETCH) {
		1494	for my $path (keys %MAP_PREFETCH) {
		1495	my $map = find $path
		1496	or next;
1282	$map->load;	1497	$map->load;
1283	$map	1498
		1499	delete $MAP_PREFETCH{$path};
		1500	}
		1501	}
		1502	undef $MAP_PREFETCHER;
1284	}	1503	};
		1504	$MAP_PREFETCHER->prio (6);
		1505
		1506	()
1285	}	1507	}
1286		1508
1287	sub save {	1509	sub save {
1288	my ($self) = @_;	1510	my ($self) = @_;
1289		1511
		1512	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1513
1290	$self->{last_save} = $cf::RUNTIME;	1514	$self->{last_save} = $cf::RUNTIME;
1291		1515
1292	return unless $self->dirty;	1516	return unless $self->dirty;
1293		1517
1294	my $save = $self->{path}->save_path; utf8::encode $save;	1518	my $save = $self->save_path; utf8::encode $save;
1295	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1519	my $uniq = $self->uniq_path; utf8::encode $uniq;
1296		1520
1297	$self->{load_path} = $save;	1521	$self->{load_path} = $save;
1298		1522
1299	return if $self->{deny_save};	1523	return if $self->{deny_save};
1300		1524
		1525	local $self->{last_access} = $self->last_access;#d#
		1526
		1527	cf::async {
		1528	$_->contr->save for $self->players;
		1529	};
		1530
1301	if ($uniq) {	1531	if ($uniq) {
1302	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	1532	$self->_save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
1303	$self->save_objects ($uniq, cf::IO_UNIQUES);	1533	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1304	} else {	1534	} else {
1305	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);	1535	$self->_save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
1306	}	1536	}
1307	}	1537	}
1308		1538
1309	sub swap_out {	1539	sub swap_out {
1310	my ($self) = @_;	1540	my ($self) = @_;
		1541
		1542	# save first because save cedes
		1543	$self->save;
		1544
		1545	my $lock = cf::lock_acquire "map_data:" . $self->path;
1311		1546
1312	return if $self->players;	1547	return if $self->players;
1313	return if $self->in_memory != cf::MAP_IN_MEMORY;	1548	return if $self->in_memory != cf::MAP_IN_MEMORY;
1314	return if $self->{deny_save};	1549	return if $self->{deny_save};
1315		1550
1316	$self->save;
1317	$self->clear;	1551	$self->clear;
1318	$self->in_memory (cf::MAP_SWAPPED);	1552	$self->in_memory (cf::MAP_SWAPPED);
1319	}	1553	}
1320		1554
1321	sub reset_at {	1555	sub reset_at {
1322	my ($self) = @_;	1556	my ($self) = @_;
1323		1557
1324	# TODO: safety, remove and allow resettable per-player maps	1558	# TODO: safety, remove and allow resettable per-player maps
1325	return 1e99 if $self->{path}{user_rel};	1559	return 1e99 if $self->isa ("ext::map_per_player");#d#
1326	return 1e99 if $self->{deny_reset};	1560	return 1e99 if $self->{deny_reset};
1327		1561
1328	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1562	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1329	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;	1563	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
1330		1564
…		…
1335	my ($self) = @_;	1569	my ($self) = @_;
1336		1570
1337	$self->reset_at <= $cf::RUNTIME	1571	$self->reset_at <= $cf::RUNTIME
1338	}	1572	}
1339		1573
1340	sub unlink_save {
1341	my ($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	$self->save;
1359	}
1360
1361	sub reset {	1574	sub reset {
1362	my ($self) = @_;	1575	my ($self) = @_;
1363		1576
		1577	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1578
1364	return if $self->players;	1579	return if $self->players;
1365	return if $self->{path}{user_rel};#d#	1580	return if $self->isa ("ext::map_per_player");#d#
1366		1581
1367	warn "resetting map ", $self->path;#d#	1582	warn "resetting map ", $self->path;#d#
1368		1583
1369	delete $cf::MAP{$self->path};	1584	delete $cf::MAP{$self->path};
		1585
		1586	$self->in_memory (cf::MAP_SWAPPED);
		1587	$self->clear;
1370		1588
1371	$_->clear_links_to ($self) for values %cf::MAP;	1589	$_->clear_links_to ($self) for values %cf::MAP;
1372		1590
1373	$self->unlink_save;	1591	$self->unlink_save;
1374	$self->destroy;	1592	$self->destroy;
…		…
1377	my $nuke_counter = "aaaa";	1595	my $nuke_counter = "aaaa";
1378		1596
1379	sub nuke {	1597	sub nuke {
1380	my ($self) = @_;	1598	my ($self) = @_;
1381		1599
		1600	delete $cf::MAP{$self->path};
		1601
		1602	$self->unlink_save;
		1603
		1604	bless $self, "cf::map";
		1605	delete $self->{deny_reset};
1382	$self->{deny_save} = 1;	1606	$self->{deny_save} = 1;
1383	$self->reset_timeout (1);	1607	$self->reset_timeout (1);
1384	$self->rename ("{nuke}/" . ($nuke_counter++));	1608	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1609
		1610	$cf::MAP{$self->path} = $self;
		1611
1385	$self->reset; # polite request, might not happen	1612	$self->reset; # polite request, might not happen
1386	}	1613	}
1387		1614
1388	sub customise_for {	1615	=item cf::map::unique_maps
1389	my ($map, $ob) = @_;
1390		1616
1391	if ($map->per_player) {	1617	Returns an arrayref of paths of all shared maps that have
1392	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1618	instantiated unique items. May block.
1393	}
1394		1619
1395	$map	1620	=cut
1396	}
1397		1621
1398	sub emergency_save {	1622	sub unique_maps() {
1399	local $cf::FREEZE = 1;	1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1624	or return;
1400		1625
1401	warn "enter emergency map save\n";	1626	my @paths;
1402		1627
1403	cf::sync_job {	1628	for (@$files) {
1404	warn "begin emergency map save\n";	1629	utf8::decode $_;
1405	$_->save for values %cf::MAP;	1630	next if /\.pst$/;
		1631	next unless /^$PATH_SEP/o;
		1632
		1633	s/\.map$//;
		1634	push @paths, $_;
1406	};	1635	}
1407		1636
1408	warn "end emergency map save\n";	1637	\@paths
1409	}	1638	}
1410		1639
1411	package cf;	1640	package cf;
1412		1641
1413	=back	1642	=back
1414		1643
		1644	=head3 cf::object
		1645
		1646	=cut
		1647
		1648	package cf::object;
		1649
		1650	=over 4
		1651
		1652	=item $ob->inv_recursive
		1653
		1654	Returns the inventory of the object _and_ their inventories, recursively.
		1655
		1656	=cut
		1657
		1658	sub inv_recursive_;
		1659	sub inv_recursive_ {
		1660	map { $_, inv_recursive_ $_->inv } @_
		1661	}
		1662
		1663	sub inv_recursive {
		1664	inv_recursive_ inv $_[0]
		1665	}
		1666
		1667	package cf;
		1668
		1669	=back
1415		1670
1416	=head3 cf::object::player	1671	=head3 cf::object::player
1417		1672
1418	=over 4	1673	=over 4
1419		1674
…		…
1459		1714
1460	=item $player_object->enter_link	1715	=item $player_object->enter_link
1461		1716
1462	Freezes the player and moves him/her to a special map (C<{link}>).	1717	Freezes the player and moves him/her to a special map (C<{link}>).
1463		1718
1464	The player should be reaosnably safe there for short amounts of time. You	1719	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.	1720	I<MUST> call C<leave_link> as soon as possible, though.
1466		1721
		1722	Will never block.
		1723
1467	=item $player_object->leave_link ($map, $x, $y)	1724	=item $player_object->leave_link ($map, $x, $y)
1468		1725
1469	Moves the player out of the specila link map onto the given map. If the	1726	Moves the player out of the special C<{link}> map onto the specified
1470	map is not valid (or omitted), the player will be moved back to the	1727	map. If the map is not valid (or omitted), the player will be moved back
1471	location he/she was before the call to C<enter_link>, or, if that fails,	1728	to the location he/she was before the call to C<enter_link>, or, if that
1472	to the emergency map position.	1729	fails, to the emergency map position.
1473		1730
1474	Might block.	1731	Might block.
1475		1732
1476	=cut	1733	=cut
		1734
		1735	sub link_map {
		1736	unless ($LINK_MAP) {
		1737	$LINK_MAP = cf::map::find "{link}"
		1738	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1739	$LINK_MAP->load;
		1740	}
		1741
		1742	$LINK_MAP
		1743	}
1477		1744
1478	sub cf::object::player::enter_link {	1745	sub cf::object::player::enter_link {
1479	my ($self) = @_;	1746	my ($self) = @_;
1480		1747
1481	$self->deactivate_recursive;	1748	$self->deactivate_recursive;
1482		1749
1483	return if $self->map == $LINK_MAP;	1750	return if UNIVERSAL::isa $self->map, "ext::map_link";
1484		1751
1485	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]	1752	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1486	if $self->map;	1753	if $self->map;
1487		1754
1488	$self->enter_map ($LINK_MAP, 20, 20);	1755	$self->enter_map ($LINK_MAP \|\| link_map, 10, 10);
1489	}	1756	}
1490		1757
1491	sub cf::object::player::leave_link {	1758	sub cf::object::player::leave_link {
1492	my ($self, $map, $x, $y) = @_;	1759	my ($self, $map, $x, $y) = @_;
1493		1760
1494	my $link_pos = delete $self->{_link_pos};	1761	my $link_pos = delete $self->{_link_pos};
1495		1762
1496	unless ($map) {	1763	unless ($map) {
1497	# restore original map position	1764	# restore original map position
1498	($map, $x, $y) = @{ $link_pos \|\| [] };	1765	($map, $x, $y) = @{ $link_pos \|\| [] };
1499	$map = cf::map::find_map $map;	1766	$map = cf::map::find $map;
1500		1767
1501	unless ($map) {	1768	unless ($map) {
1502	($map, $x, $y) = @$EMERGENCY_POSITION;	1769	($map, $x, $y) = @$EMERGENCY_POSITION;
1503	$map = cf::map::find_map $map	1770	$map = cf::map::find $map
1504	or die "FATAL: cannot load emergency map\n";	1771	or die "FATAL: cannot load emergency map\n";
1505	}	1772	}
1506	}	1773	}
1507		1774
1508	($x, $y) = (-1, -1)	1775	($x, $y) = (-1, -1)
…		…
1511	# use -1 or undef as default coordinates, not 0, 0	1778	# use -1 or undef as default coordinates, not 0, 0
1512	($x, $y) = ($map->enter_x, $map->enter_y)	1779	($x, $y) = ($map->enter_x, $map->enter_y)
1513	if $x <=0 && $y <= 0;	1780	if $x <=0 && $y <= 0;
1514		1781
1515	$map->load;	1782	$map->load;
		1783	$map->load_diag;
1516		1784
		1785	return unless $self->contr->active;
1517	$self->activate_recursive;	1786	$self->activate_recursive;
1518	$self->enter_map ($map, $x, $y);	1787	$self->enter_map ($map, $x, $y);
1519	}	1788	}
1520		1789
1521	cf::player->attach (	1790	cf::player->attach (
…		…
1534		1803
1535	# try to abort aborted map switching on player login :)	1804	# try to abort aborted map switching on player login :)
1536	# should happen only on crashes	1805	# should happen only on crashes
1537	if ($pl->ob->{_link_pos}) {	1806	if ($pl->ob->{_link_pos}) {
1538	$pl->ob->enter_link;	1807	$pl->ob->enter_link;
1539	Coro::async {	1808	(async {
1540	# we need this sleep as the login has a concurrent enter_exit running	1809	# 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	1810	# and this sleep increases chances of the player not ending up in scorn
		1811	$pl->ob->reply (undef,
		1812	"There was an internal problem at your last logout, "
		1813	. "the server will try to bring you to your intended destination in a second.",
		1814	cf::NDI_RED);
1542	Coro::Timer::sleep 1;	1815	Coro::Timer::sleep 1;
1543	$pl->ob->leave_link;	1816	$pl->ob->leave_link;
1544	};	1817	})->prio (2);
1545	}	1818	}
1546	},	1819	},
1547	);	1820	);
1548		1821
1549	=item $player_object->goto_map ($path, $x, $y)	1822	=item $player_object->goto ($path, $x, $y)
1550		1823
1551	=cut	1824	=cut
1552		1825
1553	sub cf::object::player::goto_map {	1826	sub cf::object::player::goto {
1554	my ($self, $path, $x, $y) = @_;	1827	my ($self, $path, $x, $y) = @_;
1555		1828
1556	$self->enter_link;	1829	$self->enter_link;
1557		1830
1558	(Coro::async {	1831	(async {
1559	$path = new cf::path $path;	1832	my $map = eval {
1560
1561	my $map = cf::map::find_map $path->as_string;	1833	my $map = cf::map::find $path;
1562	$map = $map->customise_for ($self) if $map;	1834	$map = $map->customise_for ($self) if $map;
1563		1835	$map
1564	# warn "entering ", $map->path, " at ($x, $y)\n"	1836	} or
1565	# if $map;
1566
1567	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);	1837	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1568		1838
1569	$self->leave_link ($map, $x, $y);	1839	$self->leave_link ($map, $x, $y);
1570	})->prio (1);	1840	})->prio (1);
1571	}	1841	}
1572		1842
…		…
1576		1846
1577	sub parse_random_map_params {	1847	sub parse_random_map_params {
1578	my ($spec) = @_;	1848	my ($spec) = @_;
1579		1849
1580	my $rmp = { # defaults	1850	my $rmp = { # defaults
1581	xsize => 10,	1851	xsize => (cf::rndm 15, 40),
1582	ysize => 10,	1852	ysize => (cf::rndm 15, 40),
		1853	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1854	#layout => string,
1583	};	1855	};
1584		1856
1585	for (split /\n/, $spec) {	1857	for (split /\n/, $spec) {
1586	my ($k, $v) = split /\s+/, $_, 2;	1858	my ($k, $v) = split /\s+/, $_, 2;
1587		1859
…		…
1591	$rmp	1863	$rmp
1592	}	1864	}
1593		1865
1594	sub prepare_random_map {	1866	sub prepare_random_map {
1595	my ($exit) = @_;	1867	my ($exit) = @_;
		1868
		1869	my $guard = cf::lock_acquire "exit_prepare:$exit";
1596		1870
1597	# all this does is basically replace the /! path by	1871	# all this does is basically replace the /! path by
1598	# a new random map path (?random/...) with a seed	1872	# a new random map path (?random/...) with a seed
1599	# that depends on the exit object	1873	# that depends on the exit object
1600		1874
…		…
1609		1883
1610	$rmp->{random_seed} \|\|= $exit->random_seed;	1884	$rmp->{random_seed} \|\|= $exit->random_seed;
1611		1885
1612	my $data = cf::to_json $rmp;	1886	my $data = cf::to_json $rmp;
1613	my $md5 = Digest::MD5::md5_hex $data;	1887	my $md5 = Digest::MD5::md5_hex $data;
		1888	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1614		1889
1615	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {	1890	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {
1616	aio_write $fh, 0, (length $data), $data, 0;	1891	aio_write $fh, 0, (length $data), $data, 0;
		1892	undef $fh;
		1893	aio_rename "$meta~", $meta;
1617		1894
1618	$exit->slaying ("?random/$md5");	1895	$exit->slaying ("?random/$md5");
1619	$exit->msg (undef);	1896	$exit->msg (undef);
1620	}	1897	}
1621	}	1898	}
…		…
1623	sub cf::object::player::enter_exit {	1900	sub cf::object::player::enter_exit {
1624	my ($self, $exit) = @_;	1901	my ($self, $exit) = @_;
1625		1902
1626	return unless $self->type == cf::PLAYER;	1903	return unless $self->type == cf::PLAYER;
1627		1904
		1905	if ($exit->slaying eq "/!") {
		1906	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1907	cf::sync_job { prepare_random_map $exit };
		1908	}
		1909
		1910	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1911	my $hp = $exit->stats->hp;
		1912	my $sp = $exit->stats->sp;
		1913
1628	$self->enter_link;	1914	$self->enter_link;
1629		1915
1630	(Coro::async {	1916	(async {
		1917	$self->deactivate_recursive; # just to be sure
1631	unless (eval {	1918	unless (eval {
1632		1919	$self->goto ($slaying, $hp, $sp);
1633	prepare_random_map $exit
1634	if $exit->slaying eq "/!";
1635
1636	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1637	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1638		1920
1639	1;	1921	1;
1640	}) {	1922	}) {
1641	$self->message ("Something went wrong deep within the crossfire server. "	1923	$self->message ("Something went wrong deep within the crossfire server. "
1642	. "I'll try to bring you back to the map you were before. "	1924	. "I'll try to bring you back to the map you were before. "
1643	. "Please report this to the dungeon master",	1925	. "Please report this to the dungeon master!",
1644	cf::NDI_UNIQUE \| cf::NDI_RED);	1926	cf::NDI_UNIQUE \| cf::NDI_RED);
1645		1927
1646	warn "ERROR in enter_exit: $@";	1928	warn "ERROR in enter_exit: $@";
1647	$self->leave_link;	1929	$self->leave_link;
1648	}	1930	}
…		…
1699	on_reply => sub {	1981	on_reply => sub {
1700	my ($ns, $msg) = @_;	1982	my ($ns, $msg) = @_;
1701		1983
1702	# this weird shuffling is so that direct followup queries	1984	# this weird shuffling is so that direct followup queries
1703	# get handled first	1985	# get handled first
1704	my $queue = delete $ns->{query_queue};	1986	my $queue = delete $ns->{query_queue}
		1987	or return; # be conservative, not sure how that can happen, but we saw a crash here
1705		1988
1706	(shift @$queue)->[1]->($msg);	1989	(shift @$queue)->[1]->($msg);
1707		1990
1708	push @{ $ns->{query_queue} }, @$queue;	1991	push @{ $ns->{query_queue} }, @$queue;
1709		1992
…		…
1715	}	1998	}
1716	}	1999	}
1717	},	2000	},
1718	);	2001	);
1719		2002
1720	=item $client->coro (\&cb)	2003	=item $client->async (\&cb)
1721		2004
1722	Create a new coroutine, running the specified callback. The coroutine will	2005	Create a new coroutine, running the specified callback. The coroutine will
1723	be automatically cancelled when the client gets destroyed (e.g. on logout,	2006	be automatically cancelled when the client gets destroyed (e.g. on logout,
1724	or loss of connection).	2007	or loss of connection).
1725		2008
1726	=cut	2009	=cut
1727		2010
1728	sub cf::client::coro {	2011	sub cf::client::async {
1729	my ($self, $cb) = @_;	2012	my ($self, $cb) = @_;
1730		2013
1731	my $coro; $coro = async {	2014	my $coro = &Coro::async ($cb);
1732	eval {
1733	$cb->();
1734	};
1735	warn $@ if $@;
1736	};
1737		2015
1738	$coro->on_destroy (sub {	2016	$coro->on_destroy (sub {
1739	delete $self->{_coro}{$coro+0};	2017	delete $self->{_coro}{$coro+0};
1740	});	2018	});
1741		2019
…		…
1935	sub db_sync() {	2213	sub db_sync() {
1936	db_save if $dirty;	2214	db_save if $dirty;
1937	undef $dirty;	2215	undef $dirty;
1938	}	2216	}
1939		2217
1940	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2218	my $idle = Event->idle (
1941	db_sync;	2219	reentrant => 0,
		2220	min => 10,
		2221	max => 20,
		2222	repeat => 0,
		2223	data => WF_AUTOCANCEL,
		2224	cb => \&db_sync,
1942	});	2225	);
1943		2226
1944	sub db_dirty() {	2227	sub db_dirty() {
1945	$dirty = 1;	2228	$dirty = 1;
1946	$idle->start;	2229	$idle->start;
1947	}	2230	}
…		…
1976	open my $fh, "<:utf8", cf::confdir . "/config"	2259	open my $fh, "<:utf8", cf::confdir . "/config"
1977	or return;	2260	or return;
1978		2261
1979	local $/;	2262	local $/;
1980	*CFG = YAML::Syck::Load <$fh>;	2263	*CFG = YAML::Syck::Load <$fh>;
		2264
		2265	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
		2266
		2267	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2268	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2269
		2270	if (exists $CFG{mlockall}) {
		2271	eval {
		2272	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2273	and die "WARNING: m(un)lockall failed: $!\n";
		2274	};
		2275	warn $@ if $@;
		2276	}
1981	}	2277	}
1982		2278
1983	sub main {	2279	sub main {
1984	# we must not ever block the main coroutine	2280	# we must not ever block the main coroutine
1985	local $Coro::idle = sub {	2281	local $Coro::idle = sub {
1986	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2282	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1987	(Coro::unblock_sub {	2283	(async {
1988	Event::one_event;	2284	Event::one_event;
1989	})->();	2285	})->prio (Coro::PRIO_MAX);
1990	};	2286	};
1991		2287
1992	cfg_load;	2288	cfg_load;
1993	db_load;	2289	db_load;
1994	load_extensions;	2290	load_extensions;
		2291
		2292	$TICK_WATCHER->start;
1995	Event::loop;	2293	Event::loop;
1996	}	2294	}
1997		2295
1998	#############################################################################	2296	#############################################################################
1999	# initialisation	2297	# initialisation and cleanup
		2298
		2299	# install some emergency cleanup handlers
		2300	BEGIN {
		2301	for my $signal (qw(INT HUP TERM)) {
		2302	Event->signal (
		2303	reentrant => 0,
		2304	data => WF_AUTOCANCEL,
		2305	signal => $signal,
		2306	prio => 0,
		2307	cb => sub {
		2308	cf::cleanup "SIG$signal";
		2309	},
		2310	);
		2311	}
		2312	}
		2313
		2314	sub emergency_save() {
		2315	my $freeze_guard = cf::freeze_mainloop;
		2316
		2317	warn "enter emergency perl save\n";
		2318
		2319	cf::sync_job {
		2320	# use a peculiar iteration method to avoid tripping on perl
		2321	# refcount bugs in for. also avoids problems with players
		2322	# and maps saved/destroyed asynchronously.
		2323	warn "begin emergency player save\n";
		2324	for my $login (keys %cf::PLAYER) {
		2325	my $pl = $cf::PLAYER{$login} or next;
		2326	$pl->valid or next;
		2327	$pl->save;
		2328	}
		2329	warn "end emergency player save\n";
		2330
		2331	warn "begin emergency map save\n";
		2332	for my $path (keys %cf::MAP) {
		2333	my $map = $cf::MAP{$path} or next;
		2334	$map->valid or next;
		2335	$map->save;
		2336	}
		2337	warn "end emergency map save\n";
		2338	};
		2339
		2340	warn "leave emergency perl save\n";
		2341	}
2000		2342
2001	sub reload() {	2343	sub reload() {
2002	# can/must only be called in main	2344	# can/must only be called in main
2003	if ($Coro::current != $Coro::main) {	2345	if ($Coro::current != $Coro::main) {
2004	warn "can only reload from main coroutine\n";	2346	warn "can only reload from main coroutine";
2005	return;	2347	return;
2006	}	2348	}
2007		2349
2008	warn "reloading...";	2350	warn "reloading...";
2009		2351
2010	local $FREEZE = 1;	2352	warn "cancelling server ticker";
		2353	$TICK_WATCHER->cancel;
		2354
2011	cf::emergency_save;	2355	cf::emergency_save;
2012		2356
2013	eval {	2357	eval {
2014	# if anything goes wrong in here, we should simply crash as we already saved	2358	# if anything goes wrong in here, we should simply crash as we already saved
2015		2359
2016	# cancel all watchers	2360	warn "syncing database to disk";
		2361	cf::db_sync;
		2362
		2363	warn "cancelling all WF_AUTOCANCEL watchers";
2017	for (Event::all_watchers) {	2364	for (Event::all_watchers) {
2018	$_->cancel if $_->data & WF_AUTOCANCEL;	2365	$_->cancel if $_->data & WF_AUTOCANCEL;
2019	}	2366	}
2020		2367
		2368	warn "flushing outstanding aio requests";
		2369	for (;;) {
		2370	IO::AIO::flush;
		2371	Coro::cede;
		2372	last unless IO::AIO::nreqs;
		2373	warn "iterate...";
		2374	}
		2375
2021	# cancel all extension coros	2376	warn "cancelling all extension coros";
2022	$_->cancel for values %EXT_CORO;	2377	$_->cancel for values %EXT_CORO;
2023	%EXT_CORO = ();	2378	%EXT_CORO = ();
2024		2379
2025	# unload all extensions	2380	warn "removing commands";
2026	for (@exts) {	2381	%COMMAND = ();
		2382
		2383	warn "removing ext commands";
		2384	%EXTCMD = ();
		2385
		2386	warn "unloading/nuking all extensions";
		2387	for my $pkg (@EXTS) {
2027	warn "unloading <$_>";	2388	warn "... unloading $pkg";
2028	unload_extension $_;	2389
		2390	if (my $cb = $pkg->can ("unload")) {
		2391	eval {
		2392	$cb->($pkg);
		2393	1
		2394	} or warn "$pkg unloaded, but with errors: $@";
2029	}	2395	}
2030		2396
		2397	warn "... nuking $pkg";
		2398	Symbol::delete_package $pkg;
		2399	}
		2400
2031	# unload all modules loaded from $LIBDIR	2401	warn "unloading all perl modules loaded from $LIBDIR";
2032	while (my ($k, $v) = each %INC) {	2402	while (my ($k, $v) = each %INC) {
2033	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2403	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2034		2404
2035	warn "removing <$k>";	2405	warn "... unloading $k";
2036	delete $INC{$k};	2406	delete $INC{$k};
2037		2407
2038	$k =~ s/\.pm$//;	2408	$k =~ s/\.pm$//;
2039	$k =~ s/\//::/g;	2409	$k =~ s/\//::/g;
2040		2410
…		…
2043	}	2413	}
2044		2414
2045	Symbol::delete_package $k;	2415	Symbol::delete_package $k;
2046	}	2416	}
2047		2417
2048	# sync database to disk
2049	cf::db_sync;
2050	IO::AIO::flush;
2051
2052	# get rid of safe::, as good as possible	2418	warn "getting rid of safe::, as good as possible";
2053	Symbol::delete_package "safe::$_"	2419	Symbol::delete_package "safe::$_"
2054	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2420	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2055		2421
2056	# remove register_script_function callbacks
2057	# TODO
2058
2059	# unload cf.pm "a bit"	2422	warn "unloading cf.pm \"a bit\"";
2060	delete $INC{"cf.pm"};	2423	delete $INC{"cf.pm"};
2061		2424
2062	# don't, removes xs symbols, too,	2425	# don't, removes xs symbols, too,
2063	# and global variables created in xs	2426	# and global variables created in xs
2064	#Symbol::delete_package __PACKAGE__;	2427	#Symbol::delete_package __PACKAGE__;
2065		2428
2066	# reload cf.pm	2429	warn "unload completed, starting to reload now";
		2430
2067	warn "reloading cf.pm";	2431	warn "reloading cf.pm";
2068	require cf;	2432	require cf;
2069	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2433	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2070		2434
2071	# load config and database again	2435	warn "loading config and database again";
2072	cf::cfg_load;	2436	cf::cfg_load;
2073	cf::db_load;	2437	cf::db_load;
2074		2438
2075	# load extensions
2076	warn "load extensions";	2439	warn "loading extensions";
2077	cf::load_extensions;	2440	cf::load_extensions;
2078		2441
2079	# reattach attachments to objects	2442	warn "reattaching attachments to objects/players";
2080	warn "reattach";
2081	_global_reattach;	2443	_global_reattach;
		2444	warn "reattaching attachments to maps";
		2445	reattach $_ for values %MAP;
		2446
		2447	warn "restarting server ticker";
		2448
		2449	$TICK_WATCHER->start;
2082	};	2450	};
2083		2451
2084	if ($@) {	2452	if ($@) {
2085	warn $@;	2453	warn $@;
2086	warn "error while reloading, exiting.";	2454	warn "error while reloading, exiting.";
2087	exit 1;	2455	exit 1;
2088	}	2456	}
2089		2457
2090	warn "reloaded successfully";	2458	warn "reloaded";
2091	};	2459	};
2092		2460
2093	#############################################################################	2461	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} = $LINK_MAP;
2134	}
2135
2136	register "<global>", __PACKAGE__;
2137		2462
2138	register_command "reload" => sub {	2463	register_command "reload" => sub {
2139	my ($who, $arg) = @_;	2464	my ($who, $arg) = @_;
2140		2465
2141	if ($who->flag (FLAG_WIZ)) {	2466	if ($who->flag (FLAG_WIZ)) {
2142	$who->message ("start of reload.");	2467	$who->message ("reloading server.");
		2468
		2469	# doing reload synchronously and two reloads happen back-to-back,
		2470	# coro crashes during coro_state_free->destroy here.
		2471
		2472	$RELOAD_WATCHER \|\|= Event->timer (
		2473	reentrant => 0,
		2474	after => 0,
		2475	data => WF_AUTOCANCEL,
		2476	cb => sub {
2143	reload;	2477	reload;
2144	$who->message ("end of reload.");	2478	undef $RELOAD_WATCHER;
		2479	},
		2480	);
2145	}	2481	}
2146	};	2482	};
2147		2483
2148	unshift @INC, $LIBDIR;	2484	unshift @INC, $LIBDIR;
		2485
		2486	my $bug_warning = 0;
2149		2487
2150	$TICK_WATCHER = Event->timer (	2488	$TICK_WATCHER = Event->timer (
2151	reentrant => 0,	2489	reentrant => 0,
		2490	parked => 1,
2152	prio => 0,	2491	prio => 0,
2153	at => $NEXT_TICK \|\| $TICK,	2492	at => $NEXT_TICK \|\| $TICK,
2154	data => WF_AUTOCANCEL,	2493	data => WF_AUTOCANCEL,
2155	cb => sub {	2494	cb => sub {
2156	unless ($FREEZE) {	2495	if ($Coro::current != $Coro::main) {
		2496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2497	unless ++$bug_warning > 10;
		2498	return;
		2499	}
		2500
		2501	$NOW = Event::time;
		2502
2157	cf::server_tick; # one server iteration	2503	cf::server_tick; # one server iteration
2158	$RUNTIME += $TICK;	2504	$RUNTIME += $TICK;
2159	}
2160
2161	$NEXT_TICK += $TICK;	2505	$NEXT_TICK += $TICK;
		2506
		2507	$WAIT_FOR_TICK->broadcast;
		2508	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2509
		2510	Event::sweep;
		2511	Coro::cede_notself;
		2512
		2513	# my $AFTER = Event::time;
		2514	# warn $AFTER - $NOW;#d#
2162		2515
2163	# if we are delayed by four ticks or more, skip them all	2516	# if we are delayed by four ticks or more, skip them all
2164	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2517	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2165		2518
2166	$TICK_WATCHER->at ($NEXT_TICK);	2519	$TICK_WATCHER->at ($NEXT_TICK);
2167	$TICK_WATCHER->start;	2520	$TICK_WATCHER->start;
2168	},	2521	},
2169	);	2522	);
2170		2523
2171	IO::AIO::max_poll_time $TICK * 0.2;	2524	IO::AIO::max_poll_time $TICK * 0.1;
2172		2525
2173	Event->io (	2526	undef $Coro::AIO::WATCHER;
		2527	$AIO_POLL_WATCHER = Event->io (
		2528	reentrant => 0,
2174	fd => IO::AIO::poll_fileno,	2529	fd => IO::AIO::poll_fileno,
2175	poll => 'r',	2530	poll => 'r',
2176	prio => 5,	2531	prio => 6,
2177	data => WF_AUTOCANCEL,	2532	data => WF_AUTOCANCEL,
2178	cb => \&IO::AIO::poll_cb,	2533	cb => \&IO::AIO::poll_cb,
2179	);	2534	);
2180		2535
2181	Event->timer (	2536	$WRITE_RUNTIME_WATCHER = Event->timer (
		2537	reentrant => 0,
2182	data => WF_AUTOCANCEL,	2538	data => WF_AUTOCANCEL,
2183	after => 0,	2539	after => 1,
2184	interval => 10,	2540	interval => 10,
2185	cb => sub {	2541	prio => 6, # keep it lowest so it acts like a watchdog
2186	(Coro::unblock_sub {	2542	cb => Coro::unblock_sub {
2187	write_runtime	2543	write_runtime
2188	or warn "ERROR: unable to write runtime file: $!";	2544	or warn "ERROR: unable to write runtime file: $!";
2189	})->();
2190	},	2545	},
2191	);	2546	);
2192		2547
		2548	END { cf::emergency_save }
		2549
2193	1	2550	1
2194		2551

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 1.197 by root, Sun Jan 28 00:20:02 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 1.197 by root, Sun Jan 28 00:20:02 2007 UTC