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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.125 by root, Tue Jan 2 23:06:39 2007 UTC vs.
Revision 1.186 by root, Sat Jan 20 01:12:39 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	sub register {
		1146	my (undef, $regex) = @_;
		1147	my $pkg = caller;
		1148
		1149	no strict;
		1150	push @{"$pkg\::ISA"}, __PACKAGE__;
		1151
		1152	$EXT_MAP{$pkg} = qr<$regex>;
		1153	}
		1154
		1155	# also paths starting with '/'
		1156	$EXT_MAP{"cf::map"} = qr{^(?=/)};
		1157
		1158	sub thawer_merge {
		1159	my ($self, $merge) = @_;
		1160
		1161	# we have to keep some variables in memory intact
		1162	local $self->{path};
		1163	local $self->{load_path};
		1164	local $self->{deny_save};
		1165	local $self->{deny_reset};
		1166
		1167	$self->SUPER::thawer_merge ($merge);
		1168	}
		1169
		1170	sub normalise {
		1171	my ($path, $base) = @_;
		1172
		1173	# map plan:
		1174	#
		1175	# /! non-realised random map exit (special hack!)
		1176	# {... are special paths that are not being touched
		1177	# ?xxx/... are special absolute paths
		1178	# ?random/... random maps
		1179	# /... normal maps
		1180	# ~user/... per-player map of a specific user
		1181
		1182	$path =~ s/$PATH_SEP/\//go;
		1183
		1184	# treat it as relative path if it starts with
		1185	# something that looks reasonable
		1186	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1187	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1188
		1189	$base =~ s{[^/]+/?$}{};
		1190	$path = "$base/$path";
		1191	}
		1192
		1193	for ($path) {
		1194	redo if s{//}{/};
		1195	redo if s{/\.?/}{/};
		1196	redo if s{/[^/]+/\.\./}{/};
		1197	}
		1198
		1199	$path
		1200	}
		1201
		1202	sub new_from_path {
		1203	my (undef, $path, $base) = @_;
		1204
		1205	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1206
		1207	$path = normalise $path, $base;
		1208
		1209	for my $pkg (keys %EXT_MAP) {
		1210	if ($path =~ $EXT_MAP{$pkg}) {
		1211	my $self = bless cf::map::new, $pkg;
		1212	$self->{path} = $path; $self->path ($path);
		1213	$self->init; # pass $1 etc.
		1214	return $self;
		1215	}
		1216	}
		1217
		1218	Carp::carp "unable to resolve path '$path'.";
		1219	()
		1220	}
		1221
		1222	sub init {
		1223	my ($self) = @_;
		1224
		1225	$self
		1226	}
		1227
		1228	sub as_string {
		1229	my ($self) = @_;
		1230
		1231	"$self->{path}"
		1232	}
		1233
		1234	# the displayed name, this is a one way mapping
		1235	sub visible_name {
		1236	&as_string
		1237	}
		1238
		1239	# the original (read-only) location
		1240	sub load_path {
		1241	my ($self) = @_;
		1242
		1243	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1244	}
		1245
		1246	# the temporary/swap location
		1247	sub save_path {
		1248	my ($self) = @_;
		1249
		1250	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1251	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1252	}
		1253
		1254	# the unique path, undef == no special unique path
		1255	sub uniq_path {
		1256	my ($self) = @_;
		1257
		1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1259	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1151	}	1260	}
1152		1261
1153	# and all this just because we cannot iterate over	1262	# and all this just because we cannot iterate over
1154	# all maps in C++...	1263	# all maps in C++...
1155	sub change_all_map_light {	1264	sub change_all_map_light {
…		…
1157		1266
1158	$_->change_map_light ($change)	1267	$_->change_map_light ($change)
1159	for grep $_->outdoor, values %cf::MAP;	1268	for grep $_->outdoor, values %cf::MAP;
1160	}	1269	}
1161		1270
		1271	sub unlink_save {
		1272	my ($self) = @_;
		1273
		1274	utf8::encode (my $save = $self->save_path);
		1275	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1276	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1277	}
		1278
1162	sub try_load_header($) {	1279	sub load_header_from($) {
1163	my ($path) = @_;	1280	my ($self, $path) = @_;
1164		1281
1165	utf8::encode $path;	1282	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1283	aio_open $path, O_RDONLY, 0
1167	or return;	1284	or return;
1168		1285
1169	my $map = cf::map::new	1286	$self->_load_header ($path)
1170	or return;	1287	or return;
1171		1288
1172	$map->load_header ($path)	1289	$self->{load_path} = $path;
		1290
		1291	1
		1292	}
		1293
		1294	sub load_orig {
		1295	my ($self) = @_;
		1296
		1297	$self->load_header_from ($self->load_path)
		1298	}
		1299
		1300	sub load_temp {
		1301	my ($self) = @_;
		1302
		1303	$self->load_header_from ($self->save_path)
		1304	}
		1305
		1306	sub load_header {
		1307	my ($self) = @_;
		1308
		1309	if ($self->load_temp) {
		1310	$self->last_access ((delete $self->{last_access})
		1311	|| $cf::RUNTIME); #d#
		1312	# safety
		1313	$self->{instantiate_time} = $cf::RUNTIME
		1314	if $self->{instantiate_time} > $cf::RUNTIME;
		1315	} else {
		1316	$self->load_orig
1173	or return;	1317	or return;
1174		1318
1175	$map->{load_path} = $path;	1319	$self->{load_original} = 1;
		1320	$self->{instantiate_time} = $cf::RUNTIME;
		1321	$self->last_access ($cf::RUNTIME);
		1322	$self->instantiate;
		1323	}
1176		1324
1177	$map	1325	1
1178	}	1326	}
1179		1327
		1328	sub find;
1180	sub find_map {	1329	sub find {
1181	my ($path, $origin) = @_;	1330	my ($path, $origin) = @_;
1182		1331
1183	#warn "find_map<$path,$origin>\n";#d#
1184
1185	$path = new cf::path $path, $origin && $origin->path;	1332	$path = normalise $path, $origin && $origin->path;
1186	my $key = $path->as_string;
1187		1333
1188	cf::lock_wait "map_find:$key";	1334	cf::lock_wait "map_find:$path";
1189		1335
1190	$cf::MAP{$key} || do {	1336	$cf::MAP{$path} || do {
1191	my $guard = cf::lock_acquire "map_find:$key";	1337	my $guard = cf::lock_acquire "map_find:$path";
1192		1338	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;	1339	or return;
1208		1340
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;	1341	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);	1342
		1343	$map->load_header
		1344	or return;
1221		1345
1222	if ($map->should_reset) {	1346	if ($map->should_reset) {
		1347	# doing this can freeze the server in a sync job, obviously
		1348	#$cf::WAIT_FOR_TICK->wait;
1223	$map->reset;	1349	$map->reset;
1224	undef $guard;	1350	undef $guard;
1225	$map = cf::map::find_map ($path)	1351	$map = find $path
1226	or return;	1352	or return;
1227	}	1353	}
1228		1354
1229	$cf::MAP{$key} = $map	1355	$cf::MAP{$path} = $map
1230	}	1356	}
1231	}	1357	}
1232		1358
1233	sub load {	1359	sub load {
1234	my ($self) = @_;	1360	my ($self) = @_;
1235		1361
1236	my $path = $self->{path};	1362	my $path = $self->{path};
1237	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1363	my $guard = cf::lock_acquire "map_load:$path";
1238		1364
1239	return if $self->in_memory != cf::MAP_SWAPPED;	1365	return if $self->in_memory != cf::MAP_SWAPPED;
1240		1366
1241	$self->in_memory (cf::MAP_LOADING);	1367	$self->in_memory (cf::MAP_LOADING);
1242		1368
1243	$self->alloc;	1369	$self->alloc;
1244	$self->load_objects ($self->{load_path}, 1)	1370	$self->_load_objects ($self->{load_path}, 1)
1245	or return;	1371	or return;
1246		1372
1247	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1373	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1248	if delete $self->{load_original};	1374	if delete $self->{load_original};
1249		1375
1250	if (my $uniq = $path->uniq_path) {	1376	if (my $uniq = $self->uniq_path) {
1251	utf8::encode $uniq;	1377	utf8::encode $uniq;
1252	if (aio_open $uniq, O_RDONLY, 0) {	1378	if (aio_open $uniq, O_RDONLY, 0) {
1253	$self->clear_unique_items;	1379	$self->clear_unique_items;
1254	$self->load_objects ($uniq, 0);	1380	$self->_load_objects ($uniq, 0);
1255	}	1381	}
1256	}	1382	}
		1383
		1384	Coro::cede;
1257		1385
1258	# now do the right thing for maps	1386	# now do the right thing for maps
1259	$self->link_multipart_objects;	1387	$self->link_multipart_objects;
1260		1388
1261	if ($self->{path}->is_style_map) {	1389	unless ($self->{deny_activate}) {
1262	$self->{deny_save} = 1;	1390	$self->decay_objects;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;	1391	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;	1392	$self->update_buttons;
		1393	Coro::cede;
1268	$self->set_darkness_map;	1394	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	1395	$self->difficulty ($self->estimate_difficulty)
1270	unless $self->difficulty;	1396	unless $self->difficulty;
		1397	Coro::cede;
1271	$self->activate;	1398	$self->activate;
1272	}	1399	}
1273		1400
1274	$self->in_memory (cf::MAP_IN_MEMORY);	1401	$self->in_memory (cf::MAP_IN_MEMORY);
1275	}	1402	}
1276		1403
1277	sub load_map_sync {	1404	sub customise_for {
		1405	my ($self, $ob) = @_;
		1406
		1407	return find "~" . $ob->name . "/" . $self->{path}
		1408	if $self->per_player;
		1409
		1410	$self
		1411	}
		1412
		1413	# find and load all maps in the 3x3 area around a map
		1414	sub load_diag {
		1415	my ($map) = @_;
		1416
		1417	my @diag; # diagonal neighbours
		1418
		1419	for (0 .. 3) {
		1420	my $neigh = $map->tile_path ($_)
		1421	or next;
		1422	$neigh = find $neigh, $map
		1423	or next;
		1424	$neigh->load;
		1425
		1426	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1427	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1428	}
		1429
		1430	for (@diag) {
		1431	my $neigh = find @$_
		1432	or next;
		1433	$neigh->load;
		1434	}
		1435	}
		1436
		1437	sub find_sync {
1278	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1279		1439
1280	#warn "load_map_sync<$path, $origin>\n";#d#	1440	cf::sync_job { find $path, $origin }
		1441	}
1281		1442
1282	cf::sync_job {	1443	sub do_load_sync {
1283	my $map = cf::map::find_map $path, $origin	1444	my ($map) = @_;
1284	or return;	1445
		1446	cf::sync_job { $map->load };
		1447	}
		1448
		1449	our %MAP_PREFETCH;
		1450	our $MAP_PREFETCHER = undef;
		1451
		1452	sub find_async {
		1453	my ($path, $origin) = @_;
		1454
		1455	$path = normalise $path, $origin && $origin->{path};
		1456
		1457	if (my $map = $cf::MAP{$path}) {
		1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1459	}
		1460
		1461	undef $MAP_PREFETCH{$path};
		1462	$MAP_PREFETCHER ||= cf::async {
		1463	while (%MAP_PREFETCH) {
		1464	for my $path (keys %MAP_PREFETCH) {
		1465	my $map = find $path
		1466	or next;
1285	$map->load;	1467	$map->load;
1286	$map	1468
		1469	delete $MAP_PREFETCH{$path};
		1470	}
		1471	}
		1472	undef $MAP_PREFETCHER;
1287	}	1473	};
		1474
		1475	()
1288	}	1476	}
1289		1477
1290	sub save {	1478	sub save {
1291	my ($self) = @_;	1479	my ($self) = @_;
1292		1480
		1481	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1482
1293	$self->{last_save} = $cf::RUNTIME;	1483	$self->{last_save} = $cf::RUNTIME;
1294		1484
1295	return unless $self->dirty;	1485	return unless $self->dirty;
1296		1486
1297	my $save = $self->{path}->save_path; utf8::encode $save;	1487	my $save = $self->save_path; utf8::encode $save;
1298	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1488	my $uniq = $self->uniq_path; utf8::encode $uniq;
1299		1489
1300	$self->{load_path} = $save;	1490	$self->{load_path} = $save;
1301		1491
1302	return if $self->{deny_save};	1492	return if $self->{deny_save};
1303		1493
		1494	local $self->{last_access} = $self->last_access;#d#
		1495
		1496	cf::async {
		1497	$_->contr->save for $self->players;
		1498	};
		1499
1304	if ($uniq) {	1500	if ($uniq) {
1305	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1501	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1306	$self->save_objects ($uniq, cf::IO_UNIQUES);	1502	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1307	} else {	1503	} else {
1308	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1504	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1309	}	1505	}
1310	}	1506	}
1311		1507
1312	sub swap_out {	1508	sub swap_out {
1313	my ($self) = @_;	1509	my ($self) = @_;
		1510
		1511	# save first because save cedes
		1512	$self->save;
		1513
		1514	my $lock = cf::lock_acquire "map_data:" . $self->path;
1314		1515
1315	return if $self->players;	1516	return if $self->players;
1316	return if $self->in_memory != cf::MAP_IN_MEMORY;	1517	return if $self->in_memory != cf::MAP_IN_MEMORY;
1317	return if $self->{deny_save};	1518	return if $self->{deny_save};
1318		1519
1319	$self->save;
1320	$self->clear;	1520	$self->clear;
1321	$self->in_memory (cf::MAP_SWAPPED);	1521	$self->in_memory (cf::MAP_SWAPPED);
1322	}	1522	}
1323		1523
1324	sub reset_at {	1524	sub reset_at {
1325	my ($self) = @_;	1525	my ($self) = @_;
1326		1526
1327	# TODO: safety, remove and allow resettable per-player maps	1527	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1528	return 1e99 if $self->isa ("ext::map_per_player");#d#
1329	return 1e99 if $self->{deny_reset};	1529	return 1e99 if $self->{deny_reset};
1330		1530
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1531	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1532	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333		1533
…		…
1338	my ($self) = @_;	1538	my ($self) = @_;
1339		1539
1340	$self->reset_at <= $cf::RUNTIME	1540	$self->reset_at <= $cf::RUNTIME
1341	}	1541	}
1342		1542
1343	sub unlink_save {
1344	my ($self) = @_;
1345
1346	utf8::encode (my $save = $self->{path}->save_path);
1347	aioreq_pri 3; IO::AIO::aio_unlink $save;
1348	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1349	}
1350
1351	sub rename {
1352	my ($self, $new_path) = @_;
1353
1354	$self->unlink_save;
1355
1356	delete $cf::MAP{$self->path};
1357	$self->{path} = new cf::path $new_path;
1358	$self->path ($self->{path}->as_string);
1359	$cf::MAP{$self->path} = $self;
1360
1361	$self->save;
1362	}
1363
1364	sub reset {	1543	sub reset {
1365	my ($self) = @_;	1544	my ($self) = @_;
1366		1545
		1546	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1547
1367	return if $self->players;	1548	return if $self->players;
1368	return if $self->{path}{user_rel};#d#	1549	return if $self->isa ("ext::map_per_player");#d#
1369		1550
1370	warn "resetting map ", $self->path;#d#	1551	warn "resetting map ", $self->path;#d#
1371		1552
1372	delete $cf::MAP{$self->path};	1553	delete $cf::MAP{$self->path};
		1554
		1555	$self->in_memory (cf::MAP_SWAPPED);
		1556	$self->clear;
1373		1557
1374	$_->clear_links_to ($self) for values %cf::MAP;	1558	$_->clear_links_to ($self) for values %cf::MAP;
1375		1559
1376	$self->unlink_save;	1560	$self->unlink_save;
1377	$self->destroy;	1561	$self->destroy;
…		…
1380	my $nuke_counter = "aaaa";	1564	my $nuke_counter = "aaaa";
1381		1565
1382	sub nuke {	1566	sub nuke {
1383	my ($self) = @_;	1567	my ($self) = @_;
1384		1568
		1569	delete $cf::MAP{$self->path};
		1570
		1571	$self->unlink_save;
		1572
		1573	bless $self, "cf::map";
		1574	delete $self->{deny_reset};
1385	$self->{deny_save} = 1;	1575	$self->{deny_save} = 1;
1386	$self->reset_timeout (1);	1576	$self->reset_timeout (1);
1387	$self->rename ("{nuke}/" . ($nuke_counter++));	1577	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1578
		1579	$cf::MAP{$self->path} = $self;
		1580
1388	$self->reset; # polite request, might not happen	1581	$self->reset; # polite request, might not happen
1389	}	1582	}
1390		1583
1391	sub customise_for {	1584	=item cf::map::unique_maps
1392	my ($map, $ob) = @_;
1393		1585
1394	if ($map->per_player) {	1586	Returns an arrayref of paths of all shared maps that have
1395	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1587	instantiated unique items. May block.
1396	}
1397		1588
1398	$map	1589	=cut
1399	}
1400		1590
1401	sub emergency_save {	1591	sub unique_maps() {
1402	local $cf::FREEZE = 1;	1592	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1593	or return;
1403		1594
1404	warn "enter emergency map save\n";	1595	my @paths;
1405		1596
1406	cf::sync_job {	1597	for (@$files) {
1407	warn "begin emergency map save\n";	1598	utf8::decode $_;
1408	$_->save for values %cf::MAP;	1599	next if /\.pst$/;
		1600	next unless /^$PATH_SEP/o;
		1601
		1602	s/\.map$//;
		1603	push @paths, $_;
1409	};	1604	}
1410		1605
1411	warn "end emergency map save\n";	1606	\@paths
1412	}	1607	}
1413		1608
1414	package cf;	1609	package cf;
1415		1610
1416	=back	1611	=back
1417		1612
		1613	=head3 cf::object
		1614
		1615	=cut
		1616
		1617	package cf::object;
		1618
		1619	=over 4
		1620
		1621	=item $ob->inv_recursive
		1622
		1623	Returns the inventory of the object _and_ their inventories, recursively.
		1624
		1625	=cut
		1626
		1627	sub inv_recursive_;
		1628	sub inv_recursive_ {
		1629	map { $_, inv_recursive_ $_->inv } @_
		1630	}
		1631
		1632	sub inv_recursive {
		1633	inv_recursive_ inv $_[0]
		1634	}
		1635
		1636	package cf;
		1637
		1638	=back
1418		1639
1419	=head3 cf::object::player	1640	=head3 cf::object::player
1420		1641
1421	=over 4	1642	=over 4
1422		1643
…		…
1462		1683
1463	=item $player_object->enter_link	1684	=item $player_object->enter_link
1464		1685
1465	Freezes the player and moves him/her to a special map (C<{link}>).	1686	Freezes the player and moves him/her to a special map (C<{link}>).
1466		1687
1467	The player should be reaosnably safe there for short amounts of time. You	1688	The player should be reasonably safe there for short amounts of time. You
1468	I<MUST> call C<leave_link> as soon as possible, though.	1689	I<MUST> call C<leave_link> as soon as possible, though.
1469		1690
		1691	Will never block.
		1692
1470	=item $player_object->leave_link ($map, $x, $y)	1693	=item $player_object->leave_link ($map, $x, $y)
1471		1694
1472	Moves the player out of the specila link map onto the given map. If the	1695	Moves the player out of the special C<{link}> map onto the specified
1473	map is not valid (or omitted), the player will be moved back to the	1696	map. If the map is not valid (or omitted), the player will be moved back
1474	location he/she was before the call to C<enter_link>, or, if that fails,	1697	to the location he/she was before the call to C<enter_link>, or, if that
1475	to the emergency map position.	1698	fails, to the emergency map position.
1476		1699
1477	Might block.	1700	Might block.
1478		1701
1479	=cut	1702	=cut
		1703
		1704	sub link_map {
		1705	unless ($LINK_MAP) {
		1706	$LINK_MAP = cf::map::find "{link}"
		1707	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1708	$LINK_MAP->load;
		1709	}
		1710
		1711	$LINK_MAP
		1712	}
1480		1713
1481	sub cf::object::player::enter_link {	1714	sub cf::object::player::enter_link {
1482	my ($self) = @_;	1715	my ($self) = @_;
1483		1716
1484	$self->deactivate_recursive;	1717	$self->deactivate_recursive;
1485		1718
1486	return if $self->map == $LINK_MAP;	1719	return if UNIVERSAL::isa $self->map, "ext::map_link";
1487		1720
1488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1721	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1489	if $self->map;	1722	if $self->map;
1490		1723
1491	$self->enter_map ($LINK_MAP, 20, 20);	1724	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1492	}	1725	}
1493		1726
1494	sub cf::object::player::leave_link {	1727	sub cf::object::player::leave_link {
1495	my ($self, $map, $x, $y) = @_;	1728	my ($self, $map, $x, $y) = @_;
1496		1729
1497	my $link_pos = delete $self->{_link_pos};	1730	my $link_pos = delete $self->{_link_pos};
1498		1731
1499	unless ($map) {	1732	unless ($map) {
1500	# restore original map position	1733	# restore original map position
1501	($map, $x, $y) = @{ $link_pos || [] };	1734	($map, $x, $y) = @{ $link_pos || [] };
1502	$map = cf::map::find_map $map;	1735	$map = cf::map::find $map;
1503		1736
1504	unless ($map) {	1737	unless ($map) {
1505	($map, $x, $y) = @$EMERGENCY_POSITION;	1738	($map, $x, $y) = @$EMERGENCY_POSITION;
1506	$map = cf::map::find_map $map	1739	$map = cf::map::find $map
1507	or die "FATAL: cannot load emergency map\n";	1740	or die "FATAL: cannot load emergency map\n";
1508	}	1741	}
1509	}	1742	}
1510		1743
1511	($x, $y) = (-1, -1)	1744	($x, $y) = (-1, -1)
…		…
1514	# use -1 or undef as default coordinates, not 0, 0	1747	# use -1 or undef as default coordinates, not 0, 0
1515	($x, $y) = ($map->enter_x, $map->enter_y)	1748	($x, $y) = ($map->enter_x, $map->enter_y)
1516	if $x <=0 && $y <= 0;	1749	if $x <=0 && $y <= 0;
1517		1750
1518	$map->load;	1751	$map->load;
		1752	$map->load_diag;
1519		1753
		1754	return unless $self->contr->active;
1520	$self->activate_recursive;	1755	$self->activate_recursive;
1521	$self->enter_map ($map, $x, $y);	1756	$self->enter_map ($map, $x, $y);
1522	}	1757	}
1523		1758
1524	cf::player->attach (	1759	cf::player->attach (
…		…
1537		1772
1538	# try to abort aborted map switching on player login :)	1773	# try to abort aborted map switching on player login :)
1539	# should happen only on crashes	1774	# should happen only on crashes
1540	if ($pl->ob->{_link_pos}) {	1775	if ($pl->ob->{_link_pos}) {
1541	$pl->ob->enter_link;	1776	$pl->ob->enter_link;
1542	Coro::async {	1777	(async {
1543	# we need this sleep as the login has a concurrent enter_exit running	1778	# we need this sleep as the login has a concurrent enter_exit running
1544	# and this sleep increases chances of the player not ending up in scorn	1779	# and this sleep increases chances of the player not ending up in scorn
		1780	$pl->ob->reply (undef,
		1781	"There was an internal problem at your last logout, "
		1782	. "the server will try to bring you to your intended destination in a second.",
		1783	cf::NDI_RED);
1545	Coro::Timer::sleep 1;	1784	Coro::Timer::sleep 1;
1546	$pl->ob->leave_link;	1785	$pl->ob->leave_link;
1547	};	1786	})->prio (2);
1548	}	1787	}
1549	},	1788	},
1550	);	1789	);
1551		1790
1552	=item $player_object->goto_map ($path, $x, $y)	1791	=item $player_object->goto ($path, $x, $y)
1553		1792
1554	=cut	1793	=cut
1555		1794
1556	sub cf::object::player::goto_map {	1795	sub cf::object::player::goto {
1557	my ($self, $path, $x, $y) = @_;	1796	my ($self, $path, $x, $y) = @_;
1558		1797
1559	$self->enter_link;	1798	$self->enter_link;
1560		1799
1561	(Coro::async {	1800	(async {
1562	$path = new cf::path $path;
1563
1564	my $map = cf::map::find_map $path->as_string;	1801	my $map = cf::map::find $path;
1565	$map = $map->customise_for ($self) if $map;	1802	$map = $map->customise_for ($self) if $map;
1566		1803
1567	# warn "entering ", $map->path, " at ($x, $y)\n"	1804	# warn "entering ", $map->path, " at ($x, $y)\n"
1568	# if $map;	1805	# if $map;
1569		1806
1570	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1807	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1571		1808
1572	$self->leave_link ($map, $x, $y);	1809	$self->leave_link ($map, $x, $y);
1573	})->prio (1);	1810	})->prio (1);
1574	}	1811	}
1575		1812
…		…
1579		1816
1580	sub parse_random_map_params {	1817	sub parse_random_map_params {
1581	my ($spec) = @_;	1818	my ($spec) = @_;
1582		1819
1583	my $rmp = { # defaults	1820	my $rmp = { # defaults
1584	xsize => 10,	1821	xsize => (cf::rndm 15, 40),
1585	ysize => 10,	1822	ysize => (cf::rndm 15, 40),
		1823	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1824	#layout => string,
1586	};	1825	};
1587		1826
1588	for (split /\n/, $spec) {	1827	for (split /\n/, $spec) {
1589	my ($k, $v) = split /\s+/, $_, 2;	1828	my ($k, $v) = split /\s+/, $_, 2;
1590		1829
…		…
1594	$rmp	1833	$rmp
1595	}	1834	}
1596		1835
1597	sub prepare_random_map {	1836	sub prepare_random_map {
1598	my ($exit) = @_;	1837	my ($exit) = @_;
		1838
		1839	my $guard = cf::lock_acquire "exit_prepare:$exit";
1599		1840
1600	# all this does is basically replace the /! path by	1841	# all this does is basically replace the /! path by
1601	# a new random map path (?random/...) with a seed	1842	# a new random map path (?random/...) with a seed
1602	# that depends on the exit object	1843	# that depends on the exit object
1603		1844
…		…
1612		1853
1613	$rmp->{random_seed} ||= $exit->random_seed;	1854	$rmp->{random_seed} ||= $exit->random_seed;
1614		1855
1615	my $data = cf::to_json $rmp;	1856	my $data = cf::to_json $rmp;
1616	my $md5 = Digest::MD5::md5_hex $data;	1857	my $md5 = Digest::MD5::md5_hex $data;
		1858	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1617		1859
1618	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1860	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1619	aio_write $fh, 0, (length $data), $data, 0;	1861	aio_write $fh, 0, (length $data), $data, 0;
		1862	undef $fh;
		1863	aio_rename "$meta~", $meta;
1620		1864
1621	$exit->slaying ("?random/$md5");	1865	$exit->slaying ("?random/$md5");
1622	$exit->msg (undef);	1866	$exit->msg (undef);
1623	}	1867	}
1624	}	1868	}
…		…
1628		1872
1629	return unless $self->type == cf::PLAYER;	1873	return unless $self->type == cf::PLAYER;
1630		1874
1631	$self->enter_link;	1875	$self->enter_link;
1632		1876
1633	(Coro::async {	1877	(async {
		1878	$self->deactivate_recursive; # just to be sure
1634	unless (eval {	1879	unless (eval {
1635
1636	prepare_random_map $exit	1880	prepare_random_map $exit
1637	if $exit->slaying eq "/!";	1881	if $exit->slaying eq "/!";
1638		1882
1639	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1883	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1640	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1884	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1641		1885
1642	1;	1886	1;
1643	}) {	1887	}) {
1644	$self->message ("Something went wrong deep within the crossfire server. "	1888	$self->message ("Something went wrong deep within the crossfire server. "
1645	. "I'll try to bring you back to the map you were before. "	1889	. "I'll try to bring you back to the map you were before. "
1646	. "Please report this to the dungeon master",	1890	. "Please report this to the dungeon master!",
1647	cf::NDI_UNIQUE | cf::NDI_RED);	1891	cf::NDI_UNIQUE | cf::NDI_RED);
1648		1892
1649	warn "ERROR in enter_exit: $@";	1893	warn "ERROR in enter_exit: $@";
1650	$self->leave_link;	1894	$self->leave_link;
1651	}	1895	}
…		…
1702	on_reply => sub {	1946	on_reply => sub {
1703	my ($ns, $msg) = @_;	1947	my ($ns, $msg) = @_;
1704		1948
1705	# this weird shuffling is so that direct followup queries	1949	# this weird shuffling is so that direct followup queries
1706	# get handled first	1950	# get handled first
1707	my $queue = delete $ns->{query_queue};	1951	my $queue = delete $ns->{query_queue}
		1952	or return; # be conservative, not sure how that can happen, but we saw a crash here
1708		1953
1709	(shift @$queue)->[1]->($msg);	1954	(shift @$queue)->[1]->($msg);
1710		1955
1711	push @{ $ns->{query_queue} }, @$queue;	1956	push @{ $ns->{query_queue} }, @$queue;
1712		1957
…		…
1718	}	1963	}
1719	}	1964	}
1720	},	1965	},
1721	);	1966	);
1722		1967
1723	=item $client->coro (\&cb)	1968	=item $client->async (\&cb)
1724		1969
1725	Create a new coroutine, running the specified callback. The coroutine will	1970	Create a new coroutine, running the specified callback. The coroutine will
1726	be automatically cancelled when the client gets destroyed (e.g. on logout,	1971	be automatically cancelled when the client gets destroyed (e.g. on logout,
1727	or loss of connection).	1972	or loss of connection).
1728		1973
1729	=cut	1974	=cut
1730		1975
1731	sub cf::client::coro {	1976	sub cf::client::async {
1732	my ($self, $cb) = @_;	1977	my ($self, $cb) = @_;
1733		1978
1734	my $coro; $coro = async {	1979	my $coro = &Coro::async ($cb);
1735	eval {
1736	$cb->();
1737	};
1738	warn $@ if $@;
1739	};
1740		1980
1741	$coro->on_destroy (sub {	1981	$coro->on_destroy (sub {
1742	delete $self->{_coro}{$coro+0};	1982	delete $self->{_coro}{$coro+0};
1743	});	1983	});
1744		1984
…		…
1938	sub db_sync() {	2178	sub db_sync() {
1939	db_save if $dirty;	2179	db_save if $dirty;
1940	undef $dirty;	2180	undef $dirty;
1941	}	2181	}
1942		2182
1943	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2183	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1944	db_sync;	2184	db_sync;
1945	});	2185	});
1946		2186
1947	sub db_dirty() {	2187	sub db_dirty() {
1948	$dirty = 1;	2188	$dirty = 1;
…		…
1979	open my $fh, "<:utf8", cf::confdir . "/config"	2219	open my $fh, "<:utf8", cf::confdir . "/config"
1980	or return;	2220	or return;
1981		2221
1982	local $/;	2222	local $/;
1983	*CFG = YAML::Syck::Load <$fh>;	2223	*CFG = YAML::Syck::Load <$fh>;
		2224
		2225	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2226
		2227	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2228	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2229
		2230	if (exists $CFG{mlockall}) {
		2231	eval {
		2232	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2233	and die "WARNING: m(un)lockall failed: $!\n";
		2234	};
		2235	warn $@ if $@;
		2236	}
1984	}	2237	}
1985		2238
1986	sub main {	2239	sub main {
1987	# we must not ever block the main coroutine	2240	# we must not ever block the main coroutine
1988	local $Coro::idle = sub {	2241	local $Coro::idle = sub {
1989	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2242	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1990	(Coro::unblock_sub {	2243	(async {
1991	Event::one_event;	2244	Event::one_event;
1992	})->();	2245	})->prio (Coro::PRIO_MAX);
1993	};	2246	};
1994		2247
1995	cfg_load;	2248	cfg_load;
1996	db_load;	2249	db_load;
1997	load_extensions;	2250	load_extensions;
		2251
		2252	$TICK_WATCHER->start;
1998	Event::loop;	2253	Event::loop;
1999	}	2254	}
2000		2255
2001	#############################################################################	2256	#############################################################################
2002	# initialisation	2257	# initialisation and cleanup
		2258
		2259	# install some emergency cleanup handlers
		2260	BEGIN {
		2261	for my $signal (qw(INT HUP TERM)) {
		2262	Event->signal (
		2263	data => WF_AUTOCANCEL,
		2264	signal => $signal,
		2265	cb => sub {
		2266	cf::cleanup "SIG$signal";
		2267	},
		2268	);
		2269	}
		2270	}
		2271
		2272	sub emergency_save() {
		2273	my $freeze_guard = cf::freeze_mainloop;
		2274
		2275	warn "enter emergency perl save\n";
		2276
		2277	cf::sync_job {
		2278	# use a peculiar iteration method to avoid tripping on perl
		2279	# refcount bugs in for. also avoids problems with players
		2280	# and maps saved/destroyed asynchronously.
		2281	warn "begin emergency player save\n";
		2282	for my $login (keys %cf::PLAYER) {
		2283	my $pl = $cf::PLAYER{$login} or next;
		2284	$pl->valid or next;
		2285	$pl->save;
		2286	}
		2287	warn "end emergency player save\n";
		2288
		2289	warn "begin emergency map save\n";
		2290	for my $path (keys %cf::MAP) {
		2291	my $map = $cf::MAP{$path} or next;
		2292	$map->valid or next;
		2293	$map->save;
		2294	}
		2295	warn "end emergency map save\n";
		2296	};
		2297
		2298	warn "leave emergency perl save\n";
		2299	}
2003		2300
2004	sub reload() {	2301	sub reload() {
2005	# can/must only be called in main	2302	# can/must only be called in main
2006	if ($Coro::current != $Coro::main) {	2303	if ($Coro::current != $Coro::main) {
2007	warn "can only reload from main coroutine\n";	2304	warn "can only reload from main coroutine";
2008	return;	2305	return;
2009	}	2306	}
2010		2307
2011	warn "reloading...";	2308	warn "reloading...";
2012		2309
2013	local $FREEZE = 1;	2310	warn "cancelling server ticker";
		2311	$TICK_WATCHER->cancel;
		2312
2014	cf::emergency_save;	2313	cf::emergency_save;
2015		2314
2016	eval {	2315	eval {
2017	# if anything goes wrong in here, we should simply crash as we already saved	2316	# if anything goes wrong in here, we should simply crash as we already saved
2018		2317
2019	# cancel all watchers	2318	warn "syncing database to disk";
		2319	cf::db_sync;
		2320
		2321	warn "cancelling all WF_AUTOCANCEL watchers";
2020	for (Event::all_watchers) {	2322	for (Event::all_watchers) {
2021	$_->cancel if $_->data & WF_AUTOCANCEL;	2323	$_->cancel if $_->data & WF_AUTOCANCEL;
2022	}	2324	}
2023		2325
		2326	warn "flushing outstanding aio requests";
		2327	for (;;) {
		2328	IO::AIO::flush;
		2329	Coro::cede;
		2330	last unless IO::AIO::nreqs;
		2331	warn "iterate...";
		2332	}
		2333
2024	# cancel all extension coros	2334	warn "cancelling all extension coros";
2025	$_->cancel for values %EXT_CORO;	2335	$_->cancel for values %EXT_CORO;
2026	%EXT_CORO = ();	2336	%EXT_CORO = ();
2027		2337
2028	# unload all extensions	2338	warn "removing commands";
2029	for (@exts) {	2339	%COMMAND = ();
		2340
		2341	warn "removing ext commands";
		2342	%EXTCMD = ();
		2343
		2344	warn "unloading/nuking all extensions";
		2345	for my $pkg (@EXTS) {
2030	warn "unloading <$_>";	2346	warn "... unloading $pkg";
2031	unload_extension $_;	2347
		2348	if (my $cb = $pkg->can ("unload")) {
		2349	eval {
		2350	$cb->($pkg);
		2351	1
		2352	} or warn "$pkg unloaded, but with errors: $@";
2032	}	2353	}
2033		2354
		2355	warn "... nuking $pkg";
		2356	Symbol::delete_package $pkg;
		2357	}
		2358
2034	# unload all modules loaded from $LIBDIR	2359	warn "unloading all perl modules loaded from $LIBDIR";
2035	while (my ($k, $v) = each %INC) {	2360	while (my ($k, $v) = each %INC) {
2036	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2361	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2037		2362
2038	warn "removing <$k>";	2363	warn "... unloading $k";
2039	delete $INC{$k};	2364	delete $INC{$k};
2040		2365
2041	$k =~ s/\.pm$//;	2366	$k =~ s/\.pm$//;
2042	$k =~ s/\//::/g;	2367	$k =~ s/\//::/g;
2043		2368
…		…
2046	}	2371	}
2047		2372
2048	Symbol::delete_package $k;	2373	Symbol::delete_package $k;
2049	}	2374	}
2050		2375
2051	# sync database to disk
2052	cf::db_sync;
2053	IO::AIO::flush;
2054
2055	# get rid of safe::, as good as possible	2376	warn "getting rid of safe::, as good as possible";
2056	Symbol::delete_package "safe::$_"	2377	Symbol::delete_package "safe::$_"
2057	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2058		2379
2059	# remove register_script_function callbacks
2060	# TODO
2061
2062	# unload cf.pm "a bit"	2380	warn "unloading cf.pm \"a bit\"";
2063	delete $INC{"cf.pm"};	2381	delete $INC{"cf.pm"};
2064		2382
2065	# don't, removes xs symbols, too,	2383	# don't, removes xs symbols, too,
2066	# and global variables created in xs	2384	# and global variables created in xs
2067	#Symbol::delete_package __PACKAGE__;	2385	#Symbol::delete_package __PACKAGE__;
2068		2386
2069	# reload cf.pm	2387	warn "unload completed, starting to reload now";
		2388
2070	warn "reloading cf.pm";	2389	warn "reloading cf.pm";
2071	require cf;	2390	require cf;
2072	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2073		2392
2074	# load config and database again	2393	warn "loading config and database again";
2075	cf::cfg_load;	2394	cf::cfg_load;
2076	cf::db_load;	2395	cf::db_load;
2077		2396
2078	# load extensions
2079	warn "load extensions";	2397	warn "loading extensions";
2080	cf::load_extensions;	2398	cf::load_extensions;
2081		2399
2082	# reattach attachments to objects	2400	warn "reattaching attachments to objects/players";
2083	warn "reattach";
2084	_global_reattach;	2401	_global_reattach;
		2402	warn "reattaching attachments to maps";
		2403	reattach $_ for values %MAP;
		2404
		2405	warn "restarting server ticker";
		2406
		2407	$TICK_WATCHER->start;
2085	};	2408	};
2086		2409
2087	if ($@) {	2410	if ($@) {
2088	warn $@;	2411	warn $@;
2089	warn "error while reloading, exiting.";	2412	warn "error while reloading, exiting.";
2090	exit 1;	2413	exit 1;
2091	}	2414	}
2092		2415
2093	warn "reloaded successfully";	2416	warn "reloaded";
2094	};	2417	};
2095		2418
2096	#############################################################################	2419	our $RELOAD_WATCHER; # used only during reload
2097
2098	unless ($LINK_MAP) {
2099	$LINK_MAP = cf::map::new;
2100
2101	$LINK_MAP->width (41);
2102	$LINK_MAP->height (41);
2103	$LINK_MAP->alloc;
2104	$LINK_MAP->path ("{link}");
2105	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2106	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2107
2108	# dirty hack because... archetypes are not yet loaded
2109	Event->timer (
2110	after => 2,
2111	cb => sub {
2112	$_[0]->w->cancel;
2113
2114	# provide some exits "home"
2115	my $exit = cf::object::new "exit";
2116
2117	$exit->slaying ($EMERGENCY_POSITION->[0]);
2118	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2119	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2120
2121	$LINK_MAP->insert ($exit->clone, 19, 19);
2122	$LINK_MAP->insert ($exit->clone, 19, 20);
2123	$LINK_MAP->insert ($exit->clone, 19, 21);
2124	$LINK_MAP->insert ($exit->clone, 20, 19);
2125	$LINK_MAP->insert ($exit->clone, 20, 21);
2126	$LINK_MAP->insert ($exit->clone, 21, 19);
2127	$LINK_MAP->insert ($exit->clone, 21, 20);
2128	$LINK_MAP->insert ($exit->clone, 21, 21);
2129
2130	$exit->destroy;
2131	});
2132
2133	$LINK_MAP->{deny_save} = 1;
2134	$LINK_MAP->{deny_reset} = 1;
2135
2136	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2137	}
2138
2139	register "<global>", __PACKAGE__;
2140		2420
2141	register_command "reload" => sub {	2421	register_command "reload" => sub {
2142	my ($who, $arg) = @_;	2422	my ($who, $arg) = @_;
2143		2423
2144	if ($who->flag (FLAG_WIZ)) {	2424	if ($who->flag (FLAG_WIZ)) {
2145	$who->message ("start of reload.");	2425	$who->message ("reloading server.");
		2426
		2427	# doing reload synchronously and two reloads happen back-to-back,
		2428	# coro crashes during coro_state_free->destroy here.
		2429
		2430	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2146	reload;	2431	reload;
2147	$who->message ("end of reload.");	2432	undef $RELOAD_WATCHER;
		2433	});
2148	}	2434	}
2149	};	2435	};
2150		2436
2151	unshift @INC, $LIBDIR;	2437	unshift @INC, $LIBDIR;
		2438
		2439	my $bug_warning = 0;
2152		2440
2153	$TICK_WATCHER = Event->timer (	2441	$TICK_WATCHER = Event->timer (
2154	reentrant => 0,	2442	reentrant => 0,
		2443	parked => 1,
2155	prio => 0,	2444	prio => 0,
2156	at => $NEXT_TICK || $TICK,	2445	at => $NEXT_TICK || $TICK,
2157	data => WF_AUTOCANCEL,	2446	data => WF_AUTOCANCEL,
2158	cb => sub {	2447	cb => sub {
2159	unless ($FREEZE) {	2448	if ($Coro::current != $Coro::main) {
		2449	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2450	unless ++$bug_warning > 10;
		2451	return;
		2452	}
		2453
		2454	$NOW = Event::time;
		2455
2160	cf::server_tick; # one server iteration	2456	cf::server_tick; # one server iteration
2161	$RUNTIME += $TICK;	2457	$RUNTIME += $TICK;
2162	}
2163
2164	$NEXT_TICK += $TICK;	2458	$NEXT_TICK += $TICK;
		2459
		2460	$WAIT_FOR_TICK->broadcast;
		2461	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2165		2462
2166	# if we are delayed by four ticks or more, skip them all	2463	# if we are delayed by four ticks or more, skip them all
2167	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2464	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2168		2465
2169	$TICK_WATCHER->at ($NEXT_TICK);	2466	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2171	},	2468	},
2172	);	2469	);
2173		2470
2174	IO::AIO::max_poll_time $TICK * 0.2;	2471	IO::AIO::max_poll_time $TICK * 0.2;
2175		2472
2176	Event->io (	2473	$AIO_POLL_WATCHER = Event->io (
2177	fd => IO::AIO::poll_fileno,	2474	fd => IO::AIO::poll_fileno,
2178	poll => 'r',	2475	poll => 'r',
2179	prio => 5,	2476	prio => 5,
2180	data => WF_AUTOCANCEL,	2477	data => WF_AUTOCANCEL,
2181	cb => \&IO::AIO::poll_cb,	2478	cb => \&IO::AIO::poll_cb,
2182	);	2479	);
2183		2480
2184	Event->timer (	2481	$WRITE_RUNTIME_WATCHER = Event->timer (
2185	data => WF_AUTOCANCEL,	2482	data => WF_AUTOCANCEL,
2186	after => 0,	2483	after => 1,
2187	interval => 10,	2484	interval => 10,
2188	cb => sub {	2485	prio => 6, # keep it lowest so it acts like a watchdog
2189	(Coro::unblock_sub {	2486	cb => Coro::unblock_sub {
2190	write_runtime	2487	write_runtime
2191	or warn "ERROR: unable to write runtime file: $!";	2488	or warn "ERROR: unable to write runtime file: $!";
2192	})->();
2193	},	2489	},
2194	);	2490	);
2195		2491
2196	END { cf::emergency_save }	2492	END { cf::emergency_save }
2197		2493

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