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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.122 by root, Tue Jan 2 17:32:24 2007 UTC vs.
Revision 1.191 by root, Tue Jan 23 01:05:18 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 {
…		…
1157		1274
1158	$_->change_map_light ($change)	1275	$_->change_map_light ($change)
1159	for grep $_->outdoor, values %cf::MAP;	1276	for grep $_->outdoor, values %cf::MAP;
1160	}	1277	}
1161		1278
		1279	sub unlink_save {
		1280	my ($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
1162	sub try_load_header($) {	1287	sub load_header_from($) {
1163	my ($path) = @_;	1288	my ($self, $path) = @_;
1164		1289
1165	utf8::encode $path;	1290	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1291	aio_open $path, O_RDONLY, 0
1167	or return;	1292	or return;
1168		1293
1169	my $map = cf::map::new	1294	$self->_load_header ($path)
1170	or return;	1295	or return;
1171		1296
1172	$map->load_header ($path)	1297	$self->{load_path} = $path;
		1298
		1299	1
		1300	}
		1301
		1302	sub load_header_orig {
		1303	my ($self) = @_;
		1304
		1305	$self->load_header_from ($self->load_path)
		1306	}
		1307
		1308	sub load_header_temp {
		1309	my ($self) = @_;
		1310
		1311	$self->load_header_from ($self->save_path)
		1312	}
		1313
		1314	sub prepare_temp {
		1315	my ($self) = @_;
		1316
		1317	$self->last_access ((delete $self->{last_access})
		1318	\|\| $cf::RUNTIME); #d#
		1319	# safety
		1320	$self->{instantiate_time} = $cf::RUNTIME
		1321	if $self->{instantiate_time} > $cf::RUNTIME;
		1322	}
		1323
		1324	sub prepare_orig {
		1325	my ($self) = @_;
		1326
		1327	$self->{load_original} = 1;
		1328	$self->{instantiate_time} = $cf::RUNTIME;
		1329	$self->last_access ($cf::RUNTIME);
		1330	$self->instantiate;
		1331	}
		1332
		1333	sub load_header {
		1334	my ($self) = @_;
		1335
		1336	if ($self->load_header_temp) {
		1337	$self->prepare_temp;
		1338	} else {
		1339	$self->load_header_orig
1173	or return;	1340	or return;
		1341	$self->prepare_orig;
		1342	}
1174		1343
1175	$map->{load_path} = $path;	1344	1
1176
1177	$map
1178	}	1345	}
1179		1346
		1347	sub find;
1180	sub find_map {	1348	sub find {
1181	my ($path, $origin) = @_;	1349	my ($path, $origin) = @_;
1182		1350
1183	#warn "find_map<$path,$origin>\n";#d#
1184
1185	$path = new cf::path $path, $origin && $origin->path;	1351	$path = normalise $path, $origin && $origin->path;
1186	my $key = $path->as_string;
1187		1352
1188	cf::lock_wait "map_find:$key";	1353	cf::lock_wait "map_find:$path";
1189		1354
1190	$cf::MAP{$key} \|\| do {	1355	$cf::MAP{$path} \|\| do {
1191	my $guard = cf::lock_acquire "map_find:$key";	1356	my $guard = cf::lock_acquire "map_find:$path";
1192		1357	my $map = new_from_path cf::map $path
1193	# do it the slow way
1194	my $map = try_load_header $path->save_path;
1195
1196	if ($map) {
1197	# safety
1198	$map->{instantiate_time} = $cf::RUNTIME
1199	if $map->{instantiate_time} > $cf::RUNTIME;
1200	} else {
1201	if (my $rmp = $path->random_map_params) {
1202	$map = generate_random_map $key, $rmp;
1203	} else {
1204	$map = try_load_header $path->load_path;
1205	}
1206
1207	$map or return;	1358	or return;
1208		1359
1209	$map->{load_original} = 1;
1210	$map->{instantiate_time} = $cf::RUNTIME;
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1360	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);	1361
		1362	$map->load_header
		1363	or return;
1221		1364
1222	if ($map->should_reset) {	1365	if ($map->should_reset) {
		1366	# doing this can freeze the server in a sync job, obviously
		1367	#$cf::WAIT_FOR_TICK->wait;
1223	$map->reset;	1368	$map->reset;
		1369	undef $guard;
1224	$map = find_map $path;	1370	$map = find $path
		1371	or return;
1225	}	1372	}
1226		1373
1227	$cf::MAP{$key} = $map	1374	$cf::MAP{$path} = $map
1228	}	1375	}
1229	}	1376	}
		1377
		1378	sub pre_load { }
		1379	sub post_load { }
1230		1380
1231	sub load {	1381	sub load {
1232	my ($self) = @_;	1382	my ($self) = @_;
1233		1383
1234	my $path = $self->{path};	1384	my $path = $self->{path};
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1385	my $guard = cf::lock_acquire "map_load:$path";
1236		1386
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1387	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1388
1239	$self->in_memory (cf::MAP_LOADING);	1389	$self->in_memory (cf::MAP_LOADING);
1240		1390
1241	$self->alloc;	1391	$self->alloc;
		1392
		1393	$self->pre_load;
		1394
1242	$self->load_objects ($self->{load_path}, 1)	1395	$self->_load_objects ($self->{load_path}, 1)
1243	or return;	1396	or return;
1244		1397
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1398	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1399	if delete $self->{load_original};
1247		1400
1248	if (my $uniq = $path->uniq_path) {	1401	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1402	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1403	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1404	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1405	$self->_load_objects ($uniq, 0);
1253	}	1406	}
1254	}	1407	}
		1408
		1409	Coro::cede;
1255		1410
1256	# now do the right thing for maps	1411	# now do the right thing for maps
1257	$self->link_multipart_objects;	1412	$self->link_multipart_objects;
1258		1413
1259	if ($self->{path}->is_style_map) {	1414	unless ($self->{deny_activate}) {
1260	$self->{deny_save} = 1;	1415	$self->decay_objects;
1261	$self->{deny_reset} = 1;
1262	} else {
1263	$self->fix_auto_apply;	1416	$self->fix_auto_apply;
1264	$self->decay_objects;
1265	$self->update_buttons;	1417	$self->update_buttons;
		1418	Coro::cede;
1266	$self->set_darkness_map;	1419	$self->set_darkness_map;
1267	$self->difficulty ($self->estimate_difficulty)	1420	$self->difficulty ($self->estimate_difficulty)
1268	unless $self->difficulty;	1421	unless $self->difficulty;
		1422	Coro::cede;
1269	$self->activate;	1423	$self->activate;
1270	}	1424	}
1271		1425
		1426	$self->post_load;
		1427
1272	$self->in_memory (cf::MAP_IN_MEMORY);	1428	$self->in_memory (cf::MAP_IN_MEMORY);
1273	}	1429	}
1274		1430
1275	sub load_map_sync {	1431	sub customise_for {
		1432	my ($self, $ob) = @_;
		1433
		1434	return find "~" . $ob->name . "/" . $self->{path}
		1435	if $self->per_player;
		1436
		1437	$self
		1438	}
		1439
		1440	# find and load all maps in the 3x3 area around a map
		1441	sub load_diag {
		1442	my ($map) = @_;
		1443
		1444	my @diag; # diagonal neighbours
		1445
		1446	for (0 .. 3) {
		1447	my $neigh = $map->tile_path ($_)
		1448	or next;
		1449	$neigh = find $neigh, $map
		1450	or next;
		1451	$neigh->load;
		1452
		1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1455	}
		1456
		1457	for (@diag) {
		1458	my $neigh = find @$_
		1459	or next;
		1460	$neigh->load;
		1461	}
		1462	}
		1463
		1464	sub find_sync {
1276	my ($path, $origin) = @_;	1465	my ($path, $origin) = @_;
1277		1466
1278	#warn "load_map_sync<$path, $origin>\n";#d#	1467	cf::sync_job { find $path, $origin }
		1468	}
1279		1469
1280	cf::sync_job {	1470	sub do_load_sync {
1281	my $map = cf::map::find_map $path, $origin	1471	my ($map) = @_;
1282	or return;	1472
		1473	cf::sync_job { $map->load };
		1474	}
		1475
		1476	our %MAP_PREFETCH;
		1477	our $MAP_PREFETCHER = undef;
		1478
		1479	sub find_async {
		1480	my ($path, $origin) = @_;
		1481
		1482	$path = normalise $path, $origin && $origin->{path};
		1483
		1484	if (my $map = $cf::MAP{$path}) {
		1485	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1486	}
		1487
		1488	undef $MAP_PREFETCH{$path};
		1489	$MAP_PREFETCHER \|\|= cf::async {
		1490	while (%MAP_PREFETCH) {
		1491	for my $path (keys %MAP_PREFETCH) {
		1492	my $map = find $path
		1493	or next;
1283	$map->load;	1494	$map->load;
1284	$map	1495
		1496	delete $MAP_PREFETCH{$path};
		1497	}
		1498	}
		1499	undef $MAP_PREFETCHER;
1285	}	1500	};
		1501	$MAP_PREFETCHER->prio (6);
		1502
		1503	()
1286	}	1504	}
1287		1505
1288	sub save {	1506	sub save {
1289	my ($self) = @_;	1507	my ($self) = @_;
1290		1508
		1509	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1510
1291	$self->{last_save} = $cf::RUNTIME;	1511	$self->{last_save} = $cf::RUNTIME;
1292		1512
1293	return unless $self->dirty;	1513	return unless $self->dirty;
1294		1514
1295	my $save = $self->{path}->save_path; utf8::encode $save;	1515	my $save = $self->save_path; utf8::encode $save;
1296	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1516	my $uniq = $self->uniq_path; utf8::encode $uniq;
1297		1517
1298	$self->{load_path} = $save;	1518	$self->{load_path} = $save;
1299		1519
1300	return if $self->{deny_save};	1520	return if $self->{deny_save};
1301		1521
		1522	local $self->{last_access} = $self->last_access;#d#
		1523
		1524	cf::async {
		1525	$_->contr->save for $self->players;
		1526	};
		1527
1302	if ($uniq) {	1528	if ($uniq) {
1303	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	1529	$self->_save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
1304	$self->save_objects ($uniq, cf::IO_UNIQUES);	1530	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1305	} else {	1531	} else {
1306	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);	1532	$self->_save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
1307	}	1533	}
1308	}	1534	}
1309		1535
1310	sub swap_out {	1536	sub swap_out {
1311	my ($self) = @_;	1537	my ($self) = @_;
		1538
		1539	# save first because save cedes
		1540	$self->save;
		1541
		1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1312		1543
1313	return if $self->players;	1544	return if $self->players;
1314	return if $self->in_memory != cf::MAP_IN_MEMORY;	1545	return if $self->in_memory != cf::MAP_IN_MEMORY;
1315	return if $self->{deny_save};	1546	return if $self->{deny_save};
1316		1547
1317	$self->save;
1318	$self->clear;	1548	$self->clear;
1319	$self->in_memory (cf::MAP_SWAPPED);	1549	$self->in_memory (cf::MAP_SWAPPED);
1320	}	1550	}
1321		1551
1322	sub reset_at {	1552	sub reset_at {
1323	my ($self) = @_;	1553	my ($self) = @_;
1324		1554
1325	# TODO: safety, remove and allow resettable per-player maps	1555	# TODO: safety, remove and allow resettable per-player maps
1326	return 1e99 if $self->{path}{user_rel};	1556	return 1e99 if $self->isa ("ext::map_per_player");#d#
1327	return 1e99 if $self->{deny_reset};	1557	return 1e99 if $self->{deny_reset};
1328		1558
1329	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1559	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1330	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;	1560	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
1331		1561
…		…
1336	my ($self) = @_;	1566	my ($self) = @_;
1337		1567
1338	$self->reset_at <= $cf::RUNTIME	1568	$self->reset_at <= $cf::RUNTIME
1339	}	1569	}
1340		1570
1341	sub unlink_save {
1342	my ($self) = @_;
1343
1344	utf8::encode (my $save = $self->{path}->save_path);
1345	aioreq_pri 3; IO::AIO::aio_unlink $save;
1346	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1347	}
1348
1349	sub rename {
1350	my ($self, $new_path) = @_;
1351
1352	$self->unlink_save;
1353
1354	delete $cf::MAP{$self->path};
1355	$self->{path} = new cf::path $new_path;
1356	$self->path ($self->{path}->as_string);
1357	$cf::MAP{$self->path} = $self;
1358
1359	$self->save;
1360	}
1361
1362	sub reset {	1571	sub reset {
1363	my ($self) = @_;	1572	my ($self) = @_;
1364		1573
		1574	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1575
1365	return if $self->players;	1576	return if $self->players;
1366	return if $self->{path}{user_rel};#d#	1577	return if $self->isa ("ext::map_per_player");#d#
1367		1578
1368	warn "resetting map ", $self->path;#d#	1579	warn "resetting map ", $self->path;#d#
1369		1580
1370	delete $cf::MAP{$self->path};	1581	delete $cf::MAP{$self->path};
		1582
		1583	$self->in_memory (cf::MAP_SWAPPED);
		1584	$self->clear;
1371		1585
1372	$_->clear_links_to ($self) for values %cf::MAP;	1586	$_->clear_links_to ($self) for values %cf::MAP;
1373		1587
1374	$self->unlink_save;	1588	$self->unlink_save;
1375	$self->destroy;	1589	$self->destroy;
…		…
1378	my $nuke_counter = "aaaa";	1592	my $nuke_counter = "aaaa";
1379		1593
1380	sub nuke {	1594	sub nuke {
1381	my ($self) = @_;	1595	my ($self) = @_;
1382		1596
		1597	delete $cf::MAP{$self->path};
		1598
		1599	$self->unlink_save;
		1600
		1601	bless $self, "cf::map";
		1602	delete $self->{deny_reset};
1383	$self->{deny_save} = 1;	1603	$self->{deny_save} = 1;
1384	$self->reset_timeout (1);	1604	$self->reset_timeout (1);
1385	$self->rename ("{nuke}/" . ($nuke_counter++));	1605	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1606
		1607	$cf::MAP{$self->path} = $self;
		1608
1386	$self->reset; # polite request, might not happen	1609	$self->reset; # polite request, might not happen
1387	}	1610	}
1388		1611
1389	sub customise_for {	1612	=item cf::map::unique_maps
1390	my ($map, $ob) = @_;
1391		1613
1392	if ($map->per_player) {	1614	Returns an arrayref of paths of all shared maps that have
1393	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1615	instantiated unique items. May block.
1394	}
1395		1616
1396	$map	1617	=cut
1397	}
1398		1618
1399	sub emergency_save {	1619	sub unique_maps() {
1400	local $cf::FREEZE = 1;	1620	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1621	or return;
1401		1622
1402	warn "enter emergency map save\n";	1623	my @paths;
1403		1624
1404	cf::sync_job {	1625	for (@$files) {
1405	warn "begin emergency map save\n";	1626	utf8::decode $_;
1406	$_->save for values %cf::MAP;	1627	next if /\.pst$/;
		1628	next unless /^$PATH_SEP/o;
		1629
		1630	s/\.map$//;
		1631	push @paths, $_;
1407	};	1632	}
1408		1633
1409	warn "end emergency map save\n";	1634	\@paths
1410	}	1635	}
1411		1636
1412	package cf;	1637	package cf;
1413		1638
1414	=back	1639	=back
1415		1640
		1641	=head3 cf::object
		1642
		1643	=cut
		1644
		1645	package cf::object;
		1646
		1647	=over 4
		1648
		1649	=item $ob->inv_recursive
		1650
		1651	Returns the inventory of the object _and_ their inventories, recursively.
		1652
		1653	=cut
		1654
		1655	sub inv_recursive_;
		1656	sub inv_recursive_ {
		1657	map { $_, inv_recursive_ $_->inv } @_
		1658	}
		1659
		1660	sub inv_recursive {
		1661	inv_recursive_ inv $_[0]
		1662	}
		1663
		1664	package cf;
		1665
		1666	=back
1416		1667
1417	=head3 cf::object::player	1668	=head3 cf::object::player
1418		1669
1419	=over 4	1670	=over 4
1420		1671
…		…
1460		1711
1461	=item $player_object->enter_link	1712	=item $player_object->enter_link
1462		1713
1463	Freezes the player and moves him/her to a special map (C<{link}>).	1714	Freezes the player and moves him/her to a special map (C<{link}>).
1464		1715
1465	The player should be reaosnably safe there for short amounts of time. You	1716	The player should be reasonably safe there for short amounts of time. You
1466	I<MUST> call C<leave_link> as soon as possible, though.	1717	I<MUST> call C<leave_link> as soon as possible, though.
1467		1718
		1719	Will never block.
		1720
1468	=item $player_object->leave_link ($map, $x, $y)	1721	=item $player_object->leave_link ($map, $x, $y)
1469		1722
1470	Moves the player out of the specila link map onto the given map. If the	1723	Moves the player out of the special C<{link}> map onto the specified
1471	map is not valid (or omitted), the player will be moved back to the	1724	map. If the map is not valid (or omitted), the player will be moved back
1472	location he/she was before the call to C<enter_link>, or, if that fails,	1725	to the location he/she was before the call to C<enter_link>, or, if that
1473	to the emergency map position.	1726	fails, to the emergency map position.
1474		1727
1475	Might block.	1728	Might block.
1476		1729
1477	=cut	1730	=cut
		1731
		1732	sub link_map {
		1733	unless ($LINK_MAP) {
		1734	$LINK_MAP = cf::map::find "{link}"
		1735	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1736	$LINK_MAP->load;
		1737	}
		1738
		1739	$LINK_MAP
		1740	}
1478		1741
1479	sub cf::object::player::enter_link {	1742	sub cf::object::player::enter_link {
1480	my ($self) = @_;	1743	my ($self) = @_;
1481		1744
1482	$self->deactivate_recursive;	1745	$self->deactivate_recursive;
1483		1746
1484	return if $self->map == $LINK_MAP;	1747	return if UNIVERSAL::isa $self->map, "ext::map_link";
1485		1748
1486	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]	1749	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1487	if $self->map;	1750	if $self->map;
1488		1751
1489	$self->enter_map ($LINK_MAP, 20, 20);	1752	$self->enter_map ($LINK_MAP \|\| link_map, 20, 20);
1490	}	1753	}
1491		1754
1492	sub cf::object::player::leave_link {	1755	sub cf::object::player::leave_link {
1493	my ($self, $map, $x, $y) = @_;	1756	my ($self, $map, $x, $y) = @_;
1494		1757
1495	my $link_pos = delete $self->{_link_pos};	1758	my $link_pos = delete $self->{_link_pos};
1496		1759
1497	unless ($map) {	1760	unless ($map) {
1498	# restore original map position	1761	# restore original map position
1499	($map, $x, $y) = @{ $link_pos \|\| [] };	1762	($map, $x, $y) = @{ $link_pos \|\| [] };
1500	$map = cf::map::find_map $map;	1763	$map = cf::map::find $map;
1501		1764
1502	unless ($map) {	1765	unless ($map) {
1503	($map, $x, $y) = @$EMERGENCY_POSITION;	1766	($map, $x, $y) = @$EMERGENCY_POSITION;
1504	$map = cf::map::find_map $map	1767	$map = cf::map::find $map
1505	or die "FATAL: cannot load emergency map\n";	1768	or die "FATAL: cannot load emergency map\n";
1506	}	1769	}
1507	}	1770	}
1508		1771
1509	($x, $y) = (-1, -1)	1772	($x, $y) = (-1, -1)
…		…
1512	# use -1 or undef as default coordinates, not 0, 0	1775	# use -1 or undef as default coordinates, not 0, 0
1513	($x, $y) = ($map->enter_x, $map->enter_y)	1776	($x, $y) = ($map->enter_x, $map->enter_y)
1514	if $x <=0 && $y <= 0;	1777	if $x <=0 && $y <= 0;
1515		1778
1516	$map->load;	1779	$map->load;
		1780	$map->load_diag;
1517		1781
		1782	return unless $self->contr->active;
1518	$self->activate_recursive;	1783	$self->activate_recursive;
1519	$self->enter_map ($map, $x, $y);	1784	$self->enter_map ($map, $x, $y);
1520	}	1785	}
1521		1786
1522	cf::player->attach (	1787	cf::player->attach (
…		…
1535		1800
1536	# try to abort aborted map switching on player login :)	1801	# try to abort aborted map switching on player login :)
1537	# should happen only on crashes	1802	# should happen only on crashes
1538	if ($pl->ob->{_link_pos}) {	1803	if ($pl->ob->{_link_pos}) {
1539	$pl->ob->enter_link;	1804	$pl->ob->enter_link;
1540	Coro::async {	1805	(async {
1541	# we need this sleep as the login has a concurrent enter_exit running	1806	# we need this sleep as the login has a concurrent enter_exit running
1542	# and this sleep increases chances of the player not ending up in scorn	1807	# and this sleep increases chances of the player not ending up in scorn
		1808	$pl->ob->reply (undef,
		1809	"There was an internal problem at your last logout, "
		1810	. "the server will try to bring you to your intended destination in a second.",
		1811	cf::NDI_RED);
1543	Coro::Timer::sleep 1;	1812	Coro::Timer::sleep 1;
1544	$pl->ob->leave_link;	1813	$pl->ob->leave_link;
1545	};	1814	})->prio (2);
1546	}	1815	}
1547	},	1816	},
1548	);	1817	);
1549		1818
1550	=item $player_object->goto_map ($path, $x, $y)	1819	=item $player_object->goto ($path, $x, $y)
1551		1820
1552	=cut	1821	=cut
1553		1822
1554	sub cf::object::player::goto_map {	1823	sub cf::object::player::goto {
1555	my ($self, $path, $x, $y) = @_;	1824	my ($self, $path, $x, $y) = @_;
1556		1825
1557	$self->enter_link;	1826	$self->enter_link;
1558		1827
1559	(Coro::async {	1828	(async {
1560	$path = new cf::path $path;
1561
1562	my $map = cf::map::find_map $path->as_string;	1829	my $map = cf::map::find $path;
1563	$map = $map->customise_for ($self) if $map;	1830	$map = $map->customise_for ($self) if $map;
1564		1831
1565	# warn "entering ", $map->path, " at ($x, $y)\n"	1832	# warn "entering ", $map->path, " at ($x, $y)\n"
1566	# if $map;	1833	# if $map;
1567		1834
1568	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);	1835	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1569		1836
1570	$self->leave_link ($map, $x, $y);	1837	$self->leave_link ($map, $x, $y);
1571	})->prio (1);	1838	})->prio (1);
1572	}	1839	}
1573		1840
…		…
1577		1844
1578	sub parse_random_map_params {	1845	sub parse_random_map_params {
1579	my ($spec) = @_;	1846	my ($spec) = @_;
1580		1847
1581	my $rmp = { # defaults	1848	my $rmp = { # defaults
1582	xsize => 10,	1849	xsize => (cf::rndm 15, 40),
1583	ysize => 10,	1850	ysize => (cf::rndm 15, 40),
		1851	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1852	#layout => string,
1584	};	1853	};
1585		1854
1586	for (split /\n/, $spec) {	1855	for (split /\n/, $spec) {
1587	my ($k, $v) = split /\s+/, $_, 2;	1856	my ($k, $v) = split /\s+/, $_, 2;
1588		1857
…		…
1592	$rmp	1861	$rmp
1593	}	1862	}
1594		1863
1595	sub prepare_random_map {	1864	sub prepare_random_map {
1596	my ($exit) = @_;	1865	my ($exit) = @_;
		1866
		1867	my $guard = cf::lock_acquire "exit_prepare:$exit";
1597		1868
1598	# all this does is basically replace the /! path by	1869	# all this does is basically replace the /! path by
1599	# a new random map path (?random/...) with a seed	1870	# a new random map path (?random/...) with a seed
1600	# that depends on the exit object	1871	# that depends on the exit object
1601		1872
…		…
1610		1881
1611	$rmp->{random_seed} \|\|= $exit->random_seed;	1882	$rmp->{random_seed} \|\|= $exit->random_seed;
1612		1883
1613	my $data = cf::to_json $rmp;	1884	my $data = cf::to_json $rmp;
1614	my $md5 = Digest::MD5::md5_hex $data;	1885	my $md5 = Digest::MD5::md5_hex $data;
		1886	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1615		1887
1616	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {	1888	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {
1617	aio_write $fh, 0, (length $data), $data, 0;	1889	aio_write $fh, 0, (length $data), $data, 0;
		1890	undef $fh;
		1891	aio_rename "$meta~", $meta;
1618		1892
1619	$exit->slaying ("?random/$md5");	1893	$exit->slaying ("?random/$md5");
1620	$exit->msg (undef);	1894	$exit->msg (undef);
1621	}	1895	}
1622	}	1896	}
…		…
1626		1900
1627	return unless $self->type == cf::PLAYER;	1901	return unless $self->type == cf::PLAYER;
1628		1902
1629	$self->enter_link;	1903	$self->enter_link;
1630		1904
1631	(Coro::async {	1905	(async {
		1906	$self->deactivate_recursive; # just to be sure
1632	unless (eval {	1907	unless (eval {
1633
1634	prepare_random_map $exit	1908	prepare_random_map $exit
1635	if $exit->slaying eq "/!";	1909	if $exit->slaying eq "/!";
1636		1910
1637	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1911	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1638	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1912	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1639		1913
1640	1;	1914	1;
1641	}) {	1915	}) {
1642	$self->message ("Something went wrong deep within the crossfire server. "	1916	$self->message ("Something went wrong deep within the crossfire server. "
1643	. "I'll try to bring you back to the map you were before. "	1917	. "I'll try to bring you back to the map you were before. "
1644	. "Please report this to the dungeon master",	1918	. "Please report this to the dungeon master!",
1645	cf::NDI_UNIQUE \| cf::NDI_RED);	1919	cf::NDI_UNIQUE \| cf::NDI_RED);
1646		1920
1647	warn "ERROR in enter_exit: $@";	1921	warn "ERROR in enter_exit: $@";
1648	$self->leave_link;	1922	$self->leave_link;
1649	}	1923	}
…		…
1700	on_reply => sub {	1974	on_reply => sub {
1701	my ($ns, $msg) = @_;	1975	my ($ns, $msg) = @_;
1702		1976
1703	# this weird shuffling is so that direct followup queries	1977	# this weird shuffling is so that direct followup queries
1704	# get handled first	1978	# get handled first
1705	my $queue = delete $ns->{query_queue};	1979	my $queue = delete $ns->{query_queue}
		1980	or return; # be conservative, not sure how that can happen, but we saw a crash here
1706		1981
1707	(shift @$queue)->[1]->($msg);	1982	(shift @$queue)->[1]->($msg);
1708		1983
1709	push @{ $ns->{query_queue} }, @$queue;	1984	push @{ $ns->{query_queue} }, @$queue;
1710		1985
…		…
1716	}	1991	}
1717	}	1992	}
1718	},	1993	},
1719	);	1994	);
1720		1995
1721	=item $client->coro (\&cb)	1996	=item $client->async (\&cb)
1722		1997
1723	Create a new coroutine, running the specified callback. The coroutine will	1998	Create a new coroutine, running the specified callback. The coroutine will
1724	be automatically cancelled when the client gets destroyed (e.g. on logout,	1999	be automatically cancelled when the client gets destroyed (e.g. on logout,
1725	or loss of connection).	2000	or loss of connection).
1726		2001
1727	=cut	2002	=cut
1728		2003
1729	sub cf::client::coro {	2004	sub cf::client::async {
1730	my ($self, $cb) = @_;	2005	my ($self, $cb) = @_;
1731		2006
1732	my $coro; $coro = async {	2007	my $coro = &Coro::async ($cb);
1733	eval {
1734	$cb->();
1735	};
1736	warn $@ if $@;
1737	};
1738		2008
1739	$coro->on_destroy (sub {	2009	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2010	delete $self->{_coro}{$coro+0};
1741	});	2011	});
1742		2012
…		…
1936	sub db_sync() {	2206	sub db_sync() {
1937	db_save if $dirty;	2207	db_save if $dirty;
1938	undef $dirty;	2208	undef $dirty;
1939	}	2209	}
1940		2210
1941	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2211	my $idle = Event->idle (
1942	db_sync;	2212	reentrant => 0,
		2213	min => 10,
		2214	max => 20,
		2215	repeat => 0,
		2216	data => WF_AUTOCANCEL,
		2217	cb => \&db_sync,
1943	});	2218	);
1944		2219
1945	sub db_dirty() {	2220	sub db_dirty() {
1946	$dirty = 1;	2221	$dirty = 1;
1947	$idle->start;	2222	$idle->start;
1948	}	2223	}
…		…
1977	open my $fh, "<:utf8", cf::confdir . "/config"	2252	open my $fh, "<:utf8", cf::confdir . "/config"
1978	or return;	2253	or return;
1979		2254
1980	local $/;	2255	local $/;
1981	*CFG = YAML::Syck::Load <$fh>;	2256	*CFG = YAML::Syck::Load <$fh>;
		2257
		2258	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
		2259
		2260	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2261	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2262
		2263	if (exists $CFG{mlockall}) {
		2264	eval {
		2265	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2266	and die "WARNING: m(un)lockall failed: $!\n";
		2267	};
		2268	warn $@ if $@;
		2269	}
1982	}	2270	}
1983		2271
1984	sub main {	2272	sub main {
1985	# we must not ever block the main coroutine	2273	# we must not ever block the main coroutine
1986	local $Coro::idle = sub {	2274	local $Coro::idle = sub {
1987	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2275	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1988	(Coro::unblock_sub {	2276	(async {
1989	Event::one_event;	2277	Event::one_event;
1990	})->();	2278	})->prio (Coro::PRIO_MAX);
1991	};	2279	};
1992		2280
1993	cfg_load;	2281	cfg_load;
1994	db_load;	2282	db_load;
1995	load_extensions;	2283	load_extensions;
		2284
		2285	$TICK_WATCHER->start;
1996	Event::loop;	2286	Event::loop;
1997	}	2287	}
1998		2288
1999	#############################################################################	2289	#############################################################################
2000	# initialisation	2290	# initialisation and cleanup
		2291
		2292	# install some emergency cleanup handlers
		2293	BEGIN {
		2294	for my $signal (qw(INT HUP TERM)) {
		2295	Event->signal (
		2296	reentrant => 0,
		2297	data => WF_AUTOCANCEL,
		2298	signal => $signal,
		2299	prio => 0,
		2300	cb => sub {
		2301	cf::cleanup "SIG$signal";
		2302	},
		2303	);
		2304	}
		2305	}
		2306
		2307	sub emergency_save() {
		2308	my $freeze_guard = cf::freeze_mainloop;
		2309
		2310	warn "enter emergency perl save\n";
		2311
		2312	cf::sync_job {
		2313	# use a peculiar iteration method to avoid tripping on perl
		2314	# refcount bugs in for. also avoids problems with players
		2315	# and maps saved/destroyed asynchronously.
		2316	warn "begin emergency player save\n";
		2317	for my $login (keys %cf::PLAYER) {
		2318	my $pl = $cf::PLAYER{$login} or next;
		2319	$pl->valid or next;
		2320	$pl->save;
		2321	}
		2322	warn "end emergency player save\n";
		2323
		2324	warn "begin emergency map save\n";
		2325	for my $path (keys %cf::MAP) {
		2326	my $map = $cf::MAP{$path} or next;
		2327	$map->valid or next;
		2328	$map->save;
		2329	}
		2330	warn "end emergency map save\n";
		2331	};
		2332
		2333	warn "leave emergency perl save\n";
		2334	}
2001		2335
2002	sub reload() {	2336	sub reload() {
2003	# can/must only be called in main	2337	# can/must only be called in main
2004	if ($Coro::current != $Coro::main) {	2338	if ($Coro::current != $Coro::main) {
2005	warn "can only reload from main coroutine\n";	2339	warn "can only reload from main coroutine";
2006	return;	2340	return;
2007	}	2341	}
2008		2342
2009	warn "reloading...";	2343	warn "reloading...";
2010		2344
2011	local $FREEZE = 1;	2345	warn "cancelling server ticker";
		2346	$TICK_WATCHER->cancel;
		2347
2012	cf::emergency_save;	2348	cf::emergency_save;
2013		2349
2014	eval {	2350	eval {
2015	# if anything goes wrong in here, we should simply crash as we already saved	2351	# if anything goes wrong in here, we should simply crash as we already saved
2016		2352
2017	# cancel all watchers	2353	warn "syncing database to disk";
		2354	cf::db_sync;
		2355
		2356	warn "cancelling all WF_AUTOCANCEL watchers";
2018	for (Event::all_watchers) {	2357	for (Event::all_watchers) {
2019	$_->cancel if $_->data & WF_AUTOCANCEL;	2358	$_->cancel if $_->data & WF_AUTOCANCEL;
2020	}	2359	}
2021		2360
		2361	warn "flushing outstanding aio requests";
		2362	for (;;) {
		2363	IO::AIO::flush;
		2364	Coro::cede;
		2365	last unless IO::AIO::nreqs;
		2366	warn "iterate...";
		2367	}
		2368
2022	# cancel all extension coros	2369	warn "cancelling all extension coros";
2023	$_->cancel for values %EXT_CORO;	2370	$_->cancel for values %EXT_CORO;
2024	%EXT_CORO = ();	2371	%EXT_CORO = ();
2025		2372
2026	# unload all extensions	2373	warn "removing commands";
2027	for (@exts) {	2374	%COMMAND = ();
		2375
		2376	warn "removing ext commands";
		2377	%EXTCMD = ();
		2378
		2379	warn "unloading/nuking all extensions";
		2380	for my $pkg (@EXTS) {
2028	warn "unloading <$_>";	2381	warn "... unloading $pkg";
2029	unload_extension $_;	2382
		2383	if (my $cb = $pkg->can ("unload")) {
		2384	eval {
		2385	$cb->($pkg);
		2386	1
		2387	} or warn "$pkg unloaded, but with errors: $@";
2030	}	2388	}
2031		2389
		2390	warn "... nuking $pkg";
		2391	Symbol::delete_package $pkg;
		2392	}
		2393
2032	# unload all modules loaded from $LIBDIR	2394	warn "unloading all perl modules loaded from $LIBDIR";
2033	while (my ($k, $v) = each %INC) {	2395	while (my ($k, $v) = each %INC) {
2034	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2396	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2035		2397
2036	warn "removing <$k>";	2398	warn "... unloading $k";
2037	delete $INC{$k};	2399	delete $INC{$k};
2038		2400
2039	$k =~ s/\.pm$//;	2401	$k =~ s/\.pm$//;
2040	$k =~ s/\//::/g;	2402	$k =~ s/\//::/g;
2041		2403
…		…
2044	}	2406	}
2045		2407
2046	Symbol::delete_package $k;	2408	Symbol::delete_package $k;
2047	}	2409	}
2048		2410
2049	# sync database to disk
2050	cf::db_sync;
2051	IO::AIO::flush;
2052
2053	# get rid of safe::, as good as possible	2411	warn "getting rid of safe::, as good as possible";
2054	Symbol::delete_package "safe::$_"	2412	Symbol::delete_package "safe::$_"
2055	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2413	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2056		2414
2057	# remove register_script_function callbacks
2058	# TODO
2059
2060	# unload cf.pm "a bit"	2415	warn "unloading cf.pm \"a bit\"";
2061	delete $INC{"cf.pm"};	2416	delete $INC{"cf.pm"};
2062		2417
2063	# don't, removes xs symbols, too,	2418	# don't, removes xs symbols, too,
2064	# and global variables created in xs	2419	# and global variables created in xs
2065	#Symbol::delete_package __PACKAGE__;	2420	#Symbol::delete_package __PACKAGE__;
2066		2421
2067	# reload cf.pm	2422	warn "unload completed, starting to reload now";
		2423
2068	warn "reloading cf.pm";	2424	warn "reloading cf.pm";
2069	require cf;	2425	require cf;
2070	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2426	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2071		2427
2072	# load config and database again	2428	warn "loading config and database again";
2073	cf::cfg_load;	2429	cf::cfg_load;
2074	cf::db_load;	2430	cf::db_load;
2075		2431
2076	# load extensions
2077	warn "load extensions";	2432	warn "loading extensions";
2078	cf::load_extensions;	2433	cf::load_extensions;
2079		2434
2080	# reattach attachments to objects	2435	warn "reattaching attachments to objects/players";
2081	warn "reattach";
2082	_global_reattach;	2436	_global_reattach;
		2437	warn "reattaching attachments to maps";
		2438	reattach $_ for values %MAP;
		2439
		2440	warn "restarting server ticker";
		2441
		2442	$TICK_WATCHER->start;
2083	};	2443	};
2084		2444
2085	if ($@) {	2445	if ($@) {
2086	warn $@;	2446	warn $@;
2087	warn "error while reloading, exiting.";	2447	warn "error while reloading, exiting.";
2088	exit 1;	2448	exit 1;
2089	}	2449	}
2090		2450
2091	warn "reloaded successfully";	2451	warn "reloaded";
2092	};	2452	};
2093		2453
2094	#############################################################################	2454	our $RELOAD_WATCHER; # used only during reload
2095
2096	unless ($LINK_MAP) {
2097	$LINK_MAP = cf::map::new;
2098
2099	$LINK_MAP->width (41);
2100	$LINK_MAP->height (41);
2101	$LINK_MAP->alloc;
2102	$LINK_MAP->path ("{link}");
2103	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2104	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2105
2106	# dirty hack because... archetypes are not yet loaded
2107	Event->timer (
2108	after => 2,
2109	cb => sub {
2110	$_[0]->w->cancel;
2111
2112	# provide some exits "home"
2113	my $exit = cf::object::new "exit";
2114
2115	$exit->slaying ($EMERGENCY_POSITION->[0]);
2116	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2117	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2118
2119	$LINK_MAP->insert ($exit->clone, 19, 19);
2120	$LINK_MAP->insert ($exit->clone, 19, 20);
2121	$LINK_MAP->insert ($exit->clone, 19, 21);
2122	$LINK_MAP->insert ($exit->clone, 20, 19);
2123	$LINK_MAP->insert ($exit->clone, 20, 21);
2124	$LINK_MAP->insert ($exit->clone, 21, 19);
2125	$LINK_MAP->insert ($exit->clone, 21, 20);
2126	$LINK_MAP->insert ($exit->clone, 21, 21);
2127
2128	$exit->destroy;
2129	});
2130
2131	$LINK_MAP->{deny_save} = 1;
2132	$LINK_MAP->{deny_reset} = 1;
2133
2134	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2135	}
2136
2137	register "<global>", __PACKAGE__;
2138		2455
2139	register_command "reload" => sub {	2456	register_command "reload" => sub {
2140	my ($who, $arg) = @_;	2457	my ($who, $arg) = @_;
2141		2458
2142	if ($who->flag (FLAG_WIZ)) {	2459	if ($who->flag (FLAG_WIZ)) {
2143	$who->message ("start of reload.");	2460	$who->message ("reloading server.");
		2461
		2462	# doing reload synchronously and two reloads happen back-to-back,
		2463	# coro crashes during coro_state_free->destroy here.
		2464
		2465	$RELOAD_WATCHER \|\|= Event->timer (
		2466	reentrant => 0,
		2467	after => 0,
		2468	data => WF_AUTOCANCEL,
		2469	cb => sub {
2144	reload;	2470	reload;
2145	$who->message ("end of reload.");	2471	undef $RELOAD_WATCHER;
		2472	},
		2473	);
2146	}	2474	}
2147	};	2475	};
2148		2476
2149	unshift @INC, $LIBDIR;	2477	unshift @INC, $LIBDIR;
		2478
		2479	my $bug_warning = 0;
2150		2480
2151	$TICK_WATCHER = Event->timer (	2481	$TICK_WATCHER = Event->timer (
2152	reentrant => 0,	2482	reentrant => 0,
		2483	parked => 1,
2153	prio => 0,	2484	prio => 0,
2154	at => $NEXT_TICK \|\| $TICK,	2485	at => $NEXT_TICK \|\| $TICK,
2155	data => WF_AUTOCANCEL,	2486	data => WF_AUTOCANCEL,
2156	cb => sub {	2487	cb => sub {
2157	unless ($FREEZE) {	2488	if ($Coro::current != $Coro::main) {
		2489	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2490	unless ++$bug_warning > 10;
		2491	return;
		2492	}
		2493
		2494	$NOW = Event::time;
		2495
2158	cf::server_tick; # one server iteration	2496	cf::server_tick; # one server iteration
2159	$RUNTIME += $TICK;	2497	$RUNTIME += $TICK;
2160	}
2161
2162	$NEXT_TICK += $TICK;	2498	$NEXT_TICK += $TICK;
		2499
		2500	$WAIT_FOR_TICK->broadcast;
		2501	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2502
		2503	Event::sweep;
		2504	Coro::cede_notself;
		2505
		2506	# my $AFTER = Event::time;
		2507	# warn $AFTER - $NOW;#d#
2163		2508
2164	# if we are delayed by four ticks or more, skip them all	2509	# if we are delayed by four ticks or more, skip them all
2165	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2510	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2166		2511
2167	$TICK_WATCHER->at ($NEXT_TICK);	2512	$TICK_WATCHER->at ($NEXT_TICK);
2168	$TICK_WATCHER->start;	2513	$TICK_WATCHER->start;
2169	},	2514	},
2170	);	2515	);
2171		2516
2172	IO::AIO::max_poll_time $TICK * 0.2;	2517	IO::AIO::max_poll_time $TICK * 0.1;
2173		2518
2174	Event->io (	2519	undef $Coro::AIO::WATCHER;
		2520	$AIO_POLL_WATCHER = Event->io (
		2521	reentrant => 0,
2175	fd => IO::AIO::poll_fileno,	2522	fd => IO::AIO::poll_fileno,
2176	poll => 'r',	2523	poll => 'r',
2177	prio => 5,	2524	prio => 6,
2178	data => WF_AUTOCANCEL,	2525	data => WF_AUTOCANCEL,
2179	cb => \&IO::AIO::poll_cb,	2526	cb => \&IO::AIO::poll_cb,
2180	);	2527	);
2181		2528
2182	Event->timer (	2529	$WRITE_RUNTIME_WATCHER = Event->timer (
		2530	reentrant => 0,
2183	data => WF_AUTOCANCEL,	2531	data => WF_AUTOCANCEL,
2184	after => 0,	2532	after => 1,
2185	interval => 10,	2533	interval => 10,
2186	cb => sub {	2534	prio => 6, # keep it lowest so it acts like a watchdog
2187	(Coro::unblock_sub {	2535	cb => Coro::unblock_sub {
2188	write_runtime	2536	write_runtime
2189	or warn "ERROR: unable to write runtime file: $!";	2537	or warn "ERROR: unable to write runtime file: $!";
2190	})->();
2191	},	2538	},
2192	);	2539	);
2193		2540
		2541	END { cf::emergency_save }
		2542
2194	1	2543	1
2195		2544

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.122 by root, Tue Jan 2 17:32:24 2007 UTC vs. Revision 1.191 by root, Tue Jan 23 01:05:18 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.122 by root, Tue Jan 2 17:32:24 2007 UTC vs.
Revision 1.191 by root, Tue Jan 23 01:05:18 2007 UTC