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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.136 by root, Fri Jan 5 01:06:28 2007 UTC vs.
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
25		27
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	28	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		29
		30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		31
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	33	$YAML::Syck::ImplicitUnicode = 1;
30		34
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	35	$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		36
35	our %COMMAND = ();	37	our %COMMAND = ();
36	our %COMMAND_TIME = ();	38	our %COMMAND_TIME = ();
		39
		40	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	41	our %EXTCMD = ();
		42	our %EXT_CORO = (); # coroutines bound to extensions
		43	our %EXT_MAP = (); # pluggable maps
38		44
39	our @EVENT;	45	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	46	our $LIBDIR = datadir . "/ext";
41		47
42	our $TICK = MAX_TIME * 1e-6;	48	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	49	our $TICK_WATCHER;
		50	our $AIO_POLL_WATCHER;
		51	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	52	our $NEXT_TICK;
45	our $NOW;	53	our $NOW;
		54	our $USE_FSYNC = 1; # use fsync to write maps - default off
		55
		56	our $BDB_POLL_WATCHER;
		57	our $DB_ENV;
46		58
47	our %CFG;	59	our %CFG;
48		60
49	our $UPTIME; $UPTIME ||= time;	61	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	62	our $RUNTIME;
51		63
		64	our %PLAYER; # all users
52	our %MAP; # all maps	65	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	66	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	67	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	68	our $BDB_ENV_DIR = cf::localdir . "/db";
		69
		70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		72
		73	# used to convert map paths into valid unix filenames by replacing / by ∕
		74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		75
57	binmode STDOUT;	76	binmode STDOUT;
58	binmode STDERR;	77	binmode STDERR;
59		78
60	# read virtual server time, if available	79	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	86	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	87	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	88	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	89	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	90	mkdir $RANDOM_MAPS;
		91	mkdir $BDB_ENV_DIR;
72		92
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	93	our $EMERGENCY_POSITION;
		94
		95	sub cf::map::normalise;
76		96
77	#############################################################################	97	#############################################################################
78		98
79	=head2 GLOBAL VARIABLES	99	=head2 GLOBAL VARIABLES
80		100
…		…
104		124
105	=item %cf::CFG	125	=item %cf::CFG
106		126
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	127	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	128	from wherever your confdir points to.
		129
		130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		131
		132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		134	processing has been done. Call C<< ->wait >> on them to maximise the
		135	window of cpu time available, or simply to synchronise to the server tick.
109		136
110	=back	137	=back
111		138
112	=cut	139	=cut
113		140
…		…
117	utf8::encode $msg;	144	utf8::encode $msg;
118		145
119	$msg .= "\n"	146	$msg .= "\n"
120	unless $msg =~ /\n$/;	147	unless $msg =~ /\n$/;
121		148
122	LOG llevError, "cfperl: $msg";	149	LOG llevError, $msg;
123	};	150	};
124	}	151	}
125		152
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		172
146	$Event::DIED = sub {	173	$Event::DIED = sub {
147	warn "error in event callback: @_";	174	warn "error in event callback: @_";
148	};	175	};
149		176
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	177	=head2 UTILITY FUNCTIONS
155		178
156	=over 4	179	=over 4
157		180
		181	=item dumpval $ref
		182
158	=cut	183	=cut
		184
		185	sub dumpval {
		186	eval {
		187	local $SIG{__DIE__};
		188	my $d;
		189	if (1) {
		190	$d = new Data::Dumper([$_[0]], ["*var"]);
		191	$d->Terse(1);
		192	$d->Indent(2);
		193	$d->Quotekeys(0);
		194	$d->Useqq(1);
		195	#$d->Bless(...);
		196	$d->Seen($_[1]) if @_ > 1;
		197	$d = $d->Dump();
		198	}
		199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		200	$d
		201	} || "[unable to dump $_[0]: '$@']";
		202	}
159		203
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	204	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		205
162	=item $ref = cf::from_json $json	206	=item $ref = cf::from_json $json
163		207
…		…
221	# wake up all waiters, to be on the safe side	265	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	266	$_->ready for @{ delete $LOCK{$key} };
223	}	267	}
224	}	268	}
225		269
226	=item cf::async { BLOCK }
227
228	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
229	error instead of exiting the server in case of a problem.
230
231	=cut
232
233	sub async(&) {
234	my ($cb) = @_;
235
236	Coro::async {
237	eval { $cb->() };
238	warn $@ if $@;
239	}
240	}
241
242	sub freeze_mainloop {	270	sub freeze_mainloop {
243	return unless $TICK_WATCHER->is_active;	271	return unless $TICK_WATCHER->is_active;
244		272
245	my $guard = Coro::guard { $TICK_WATCHER->start };	273	my $guard = Coro::guard {
		274	$TICK_WATCHER->start;
		275	$WRITE_RUNTIME_WATCHER->start;
		276	};
		277	$WRITE_RUNTIME_WATCHER->stop;
246	$TICK_WATCHER->stop;	278	$TICK_WATCHER->stop;
247	$guard	279	$guard
248	}	280	}
		281
		282	=item cf::async { BLOCK }
		283
		284	Currently the same as Coro::async_pool, meaning you cannot use
		285	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		286	thing you are allowed to do is call C<prio> on it.
		287
		288	=cut
		289
		290	BEGIN { *async = \&Coro::async_pool }
249		291
250	=item cf::sync_job { BLOCK }	292	=item cf::sync_job { BLOCK }
251		293
252	The design of crossfire+ requires that the main coro ($Coro::main) is	294	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	295	always able to handle events or runnable, as crossfire+ is only partly
…		…
272	my $freeze_guard = freeze_mainloop;	314	my $freeze_guard = freeze_mainloop;
273		315
274	my $busy = 1;	316	my $busy = 1;
275	my @res;	317	my @res;
276		318
277	(Coro::async {	319	(async {
278	@res = eval { $job->() };	320	@res = eval { $job->() };
279	warn $@ if $@;	321	warn $@ if $@;
280	undef $busy;	322	undef $busy;
281	})->prio (Coro::PRIO_MAX);	323	})->prio (Coro::PRIO_MAX);
282		324
283	while ($busy) {	325	while ($busy) {
284	Coro::cede_notself;	326	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	327	}
287		328
288	wantarray ? @res : $res[0]	329	wantarray ? @res : $res[0]
289	} else {	330	} else {
290	# we are in another coroutine, how wonderful, everything just works	331	# we are in another coroutine, how wonderful, everything just works
291		332
292	$job->()	333	$job->()
293	}	334	}
294	}	335	}
295		336
296	=item $coro = cf::coro { BLOCK }	337	=item $coro = cf::async_ext { BLOCK }
297		338
298	Creates and returns a new coro. This coro is automcatially being canceled	339	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	340	extension calling this is being unloaded.
300		341
301	=cut	342	=cut
302		343
303	sub coro(&) {	344	sub async_ext(&) {
304	my $cb = shift;	345	my $cb = shift;
305		346
306	my $coro = &cf::async ($cb);	347	my $coro = &Coro::async ($cb);
307		348
308	$coro->on_destroy (sub {	349	$coro->on_destroy (sub {
309	delete $EXT_CORO{$coro+0};	350	delete $EXT_CORO{$coro+0};
310	});	351	});
311	$EXT_CORO{$coro+0} = $coro;	352	$EXT_CORO{$coro+0} = $coro;
…		…
317	my $runtime = cf::localdir . "/runtime";	358	my $runtime = cf::localdir . "/runtime";
318		359
319	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
320	or return;	361	or return;
321		362
		363	my $value = $cf::RUNTIME + 90 + 10;
322	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	364	# 10 is the runtime save interval, for a monotonic clock
		365	# 60 allows for the watchdog to kill the server.
		366
323	(aio_write $fh, 0, (length $value), $value, 0) <= 0	367	(aio_write $fh, 0, (length $value), $value, 0) <= 0
324	and return;	368	and return;
325		369
		370	# always fsync - this file is important
326	aio_fsync $fh	371	aio_fsync $fh
327	and return;	372	and return;
328		373
329	close $fh	374	close $fh
330	or return;	375	or return;
…		…
336	}	381	}
337		382
338	=back	383	=back
339		384
340	=cut	385	=cut
341
342	#############################################################################
343
344	package cf::path;
345
346	sub new {
347	my ($class, $path, $base) = @_;
348
349	$path = $path->as_string if ref $path;
350
351	my $self = bless { }, $class;
352
353	# {... are special paths that are not touched
354	# ?xxx/... are special absolute paths
355	# ?random/... random maps
356	# /! non-realised random map exit
357	# /... normal maps
358	# ~/... per-player maps without a specific player (DO NOT USE)
359	# ~user/... per-player map of a specific user
360
361	if ($path =~ /^{/) {
362	# fine as it is
363	} elsif ($path =~ s{^\?random/}{}) {
364	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
365	$self->{random} = cf::from_json $data;
366	} else {
367	if ($path =~ s{^~([^/]+)?}{}) {
368	$self->{user_rel} = 1;
369
370	if (defined $1) {
371	$self->{user} = $1;
372	} elsif ($base =~ m{^~([^/]+)/}) {
373	$self->{user} = $1;
374	} else {
375	warn "cannot resolve user-relative path without user <$path,$base>\n";
376	}
377	} elsif ($path =~ /^\//) {
378	# already absolute
379	} else {
380	$base =~ s{[^/]+/?$}{};
381	return $class->new ("$base/$path");
382	}
383
384	for ($path) {
385	redo if s{/\.?/}{/};
386	redo if s{/[^/]+/\.\./}{/};
387	}
388	}
389
390	$self->{path} = $path;
391
392	$self
393	}
394
395	# the name / primary key / in-game path
396	sub as_string {
397	my ($self) = @_;
398
399	$self->{user_rel} ? "~$self->{user}$self->{path}"
400	: $self->{random} ? "?random/$self->{path}"
401	: $self->{path}
402	}
403
404	# the displayed name, this is a one way mapping
405	sub visible_name {
406	my ($self) = @_;
407
408	# if (my $rmp = $self->{random}) {
409	# # todo: be more intelligent about this
410	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
411	# } else {
412	$self->as_string
413	# }
414	}
415
416	# escape the /'s in the path
417	sub _escaped_path {
418	# ∕ is U+2215
419	(my $path = $_[0]{path}) =~ s/\//∕/g;
420	$path
421	}
422
423	# the original (read-only) location
424	sub load_path {
425	my ($self) = @_;
426
427	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
428	}
429
430	# the temporary/swap location
431	sub save_path {
432	my ($self) = @_;
433
434	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
435	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
436	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
437	}
438
439	# the unique path, might be eq to save_path
440	sub uniq_path {
441	my ($self) = @_;
442
443	$self->{user_rel} || $self->{random}
444	? undef
445	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
446	}
447
448	# return random map parameters, or undef
449	sub random_map_params {
450	my ($self) = @_;
451
452	$self->{random}
453	}
454
455	# this is somewhat ugly, but style maps do need special treatment
456	sub is_style_map {
457	$_[0]{path} =~ m{^/styles/}
458	}
459
460	package cf;
461		386
462	#############################################################################	387	#############################################################################
463		388
464	=head2 ATTACHABLE OBJECTS	389	=head2 ATTACHABLE OBJECTS
465		390
…		…
591	our @CB_TYPE = (); # registry for type (cf-object class) based events	516	our @CB_TYPE = (); # registry for type (cf-object class) based events
592	our @CB_MAP = ();	517	our @CB_MAP = ();
593		518
594	my %attachment;	519	my %attachment;
595		520
		521	sub cf::attachable::thawer_merge {
		522	# simply override everything except _meta
		523	local $_[0]{_meta};
		524	%{$_[0]} = %{$_[1]};
		525	}
		526
596	sub _attach_cb($$$$) {	527	sub _attach_cb($$$$) {
597	my ($registry, $event, $prio, $cb) = @_;	528	my ($registry, $event, $prio, $cb) = @_;
598		529
599	use sort 'stable';	530	use sort 'stable';
600		531
…		…
771	# object support	702	# object support
772		703
773	sub reattach {	704	sub reattach {
774	# basically do the same as instantiate, without calling instantiate	705	# basically do the same as instantiate, without calling instantiate
775	my ($obj) = @_;	706	my ($obj) = @_;
		707
		708	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
776		709
777	my $registry = $obj->registry;	710	my $registry = $obj->registry;
778		711
779	@$registry = ();	712	@$registry = ();
780		713
…		…
827	$filename, length $$rdata, scalar @$objs;	760	$filename, length $$rdata, scalar @$objs;
828		761
829	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
830	chmod SAVE_MODE, $fh;	763	chmod SAVE_MODE, $fh;
831	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
832	aio_fsync $fh;	765	aio_fsync $fh if $cf::USE_FSYNC;
833	close $fh;	766	close $fh;
834		767
835	if (@$objs) {	768	if (@$objs) {
836	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
837	chmod SAVE_MODE, $fh;	770	chmod SAVE_MODE, $fh;
838	my $data = Storable::nfreeze { version => 1, objs => $objs };	771	my $data = Storable::nfreeze { version => 1, objs => $objs };
839	aio_write $fh, 0, (length $data), $data, 0;	772	aio_write $fh, 0, (length $data), $data, 0;
840	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
841	close $fh;	774	close $fh;
842	aio_rename "$filename.pst~", "$filename.pst";	775	aio_rename "$filename.pst~", "$filename.pst";
843	}	776	}
844	} else {	777	} else {
845	aio_unlink "$filename.pst";	778	aio_unlink "$filename.pst";
…		…
851	}	784	}
852	} else {	785	} else {
853	aio_unlink $filename;	786	aio_unlink $filename;
854	aio_unlink "$filename.pst";	787	aio_unlink "$filename.pst";
855	}	788	}
		789
		790	#d##TODO# nuke non .map-files if exist
		791	if ($filename =~ s/\.map$//) {
		792	aio_unlink $filename;
		793	aio_unlink "$filename.pst";
		794	}
856	}	795	}
857	}	796	}
858		797
859	sub object_freezer_as_string {	798	sub object_freezer_as_string {
860	my ($rdata, $objs) = @_;	799	my ($rdata, $objs) = @_;
…		…
866		805
867	sub object_thawer_load {	806	sub object_thawer_load {
868	my ($filename) = @_;	807	my ($filename) = @_;
869		808
870	my ($data, $av);	809	my ($data, $av);
		810
		811	#d#TODO remove .map if file does not exist
		812	aio_stat $filename and $filename =~ s/\.map$//;
871		813
872	(aio_load $filename, $data) >= 0	814	(aio_load $filename, $data) >= 0
873	or return;	815	or return;
874		816
875	unless (aio_stat "$filename.pst") {	817	unless (aio_stat "$filename.pst") {
…		…
912	=cut	854	=cut
913		855
914	sub register_extcmd {	856	sub register_extcmd {
915	my ($name, $cb) = @_;	857	my ($name, $cb) = @_;
916		858
917	my $caller = caller;
918	#warn "registering extcmd '$name' to '$caller'";
919
920	$EXTCMD{$name} = [$cb, $caller];	859	$EXTCMD{$name} = $cb;
921	}	860	}
922		861
923	cf::player->attach (	862	cf::player->attach (
924	on_command => sub {	863	on_command => sub {
925	my ($pl, $name, $params) = @_;	864	my ($pl, $name, $params) = @_;
…		…
938		877
939	my $msg = eval { from_json $buf };	878	my $msg = eval { from_json $buf };
940		879
941	if (ref $msg) {	880	if (ref $msg) {
942	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
943	if (my %reply = $cb->[0]->($pl, $msg)) {	882	if (my %reply = $cb->($pl, $msg)) {
944	$pl->ext_reply ($msg->{msgid}, %reply);	883	$pl->ext_reply ($msg->{msgid}, %reply);
945	}	884	}
946	}	885	}
947	} else {	886	} else {
948	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
950		889
951	cf::override;	890	cf::override;
952	},	891	},
953	);	892	);
954		893
955	sub register {
956	my ($base, $pkg) = @_;
957
958	#TODO
959	}
960
961	sub load_extension {	894	sub load_extension {
962	my ($path) = @_;	895	my ($path) = @_;
963		896
964	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
965	my $base = $1;	898	my $base = $1;
966	my $pkg = $1;	899	my $pkg = $1;
967	$pkg =~ s/[^[:word:]]/_/g;	900	$pkg =~ s/[^[:word:]]/_/g;
968	$pkg = "ext::$pkg";	901	$pkg = "ext::$pkg";
969		902
970	warn "loading '$path' into '$pkg'\n";	903	warn "... loading '$path' into '$pkg'\n";
971		904
972	open my $fh, "<:utf8", $path	905	open my $fh, "<:utf8", $path
973	or die "$path: $!";	906	or die "$path: $!";
974		907
975	my $source =	908	my $source =
976	"package $pkg; use strict; use utf8;\n"	909	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	910	. "#line 1 \"$path\"\n{\n"
978	. (do { local $/; <$fh> })	911	. (do { local $/; <$fh> })
979	. "\n};\n1";	912	. "\n};\n1";
980		913
981	eval $source	914	unless (eval $source) {
982	or die $@ ? "$path: $@\n"	915	my $msg = $@ ? "$path: $@\n"
983	: "extension disabled.\n";	916	: "extension disabled.\n";
984		917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
985	push @exts, $pkg;	918	warn $@;
986	$ext_pkg{$base} = $pkg;	919	warn "mandatory extension failed to load, exiting.\n";
987		920	exit 1;
988	# no strict 'refs';	921	}
989	# @{"$pkg\::ISA"} = ext::;	922	die $@;
990
991	register $base, $pkg;
992	}
993
994	sub unload_extension {
995	my ($pkg) = @_;
996
997	warn "removing extension $pkg\n";
998
999	# remove hooks
1000	#TODO
1001	# for my $idx (0 .. $#PLUGIN_EVENT) {
1002	# delete $hook[$idx]{$pkg};
1003	# }	923	}
1004		924
1005	# remove commands	925	push @EXTS, $pkg;
1006	for my $name (keys %COMMAND) {
1007	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1008
1009	if (@cb) {
1010	$COMMAND{$name} = \@cb;
1011	} else {
1012	delete $COMMAND{$name};
1013	}
1014	}
1015
1016	# remove extcmds
1017	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1018	delete $EXTCMD{$name};
1019	}
1020
1021	if (my $cb = $pkg->can ("unload")) {
1022	eval {
1023	$cb->($pkg);
1024	1
1025	} or warn "$pkg unloaded, but with errors: $@";
1026	}
1027
1028	Symbol::delete_package $pkg;
1029	}	926	}
1030		927
1031	sub load_extensions {	928	sub load_extensions {
1032	for my $ext (<$LIBDIR/*.ext>) {	929	for my $ext (<$LIBDIR/*.ext>) {
1033	next unless -r $ext;	930	next unless -r $ext;
…		…
1037	} or warn "$ext not loaded: $@";	934	} or warn "$ext not loaded: $@";
1038	}	935	}
1039	}	936	}
1040		937
1041	#############################################################################	938	#############################################################################
1042	# load/save/clean perl data associated with a map
1043
1044	*cf::mapsupport::on_clean = sub {
1045	my ($map) = @_;
1046
1047	my $path = $map->tmpname;
1048	defined $path or return;
1049
1050	unlink "$path.pst";
1051	};
1052
1053	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1054
1055	#############################################################################
1056	# load/save perl data associated with player->ob objects
1057
1058	sub all_objects(@) {
1059	@_, map all_objects ($_->inv), @_
1060	}
1061
1062	# TODO: compatibility cruft, remove when no longer needed
1063	cf::player->attach (
1064	on_load => sub {
1065	my ($pl, $path) = @_;
1066
1067	for my $o (all_objects $pl->ob) {
1068	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1069	$o->set_ob_key_value ("_perl_data");
1070
1071	%$o = %{ Storable::thaw pack "H*", $value };
1072	}
1073	}
1074	},
1075	);
1076
1077	#############################################################################
1078		939
1079	=head2 CORE EXTENSIONS	940	=head2 CORE EXTENSIONS
1080		941
1081	Functions and methods that extend core crossfire objects.	942	Functions and methods that extend core crossfire objects.
1082		943
		944	=cut
		945
		946	package cf::player;
		947
		948	use Coro::AIO;
		949
1083	=head3 cf::player	950	=head3 cf::player
1084		951
1085	=over 4	952	=over 4
1086		953
1087	=item cf::player::exists $login	954	=item cf::player::find $login
1088		955
1089	Returns true when the given account exists.	956	Returns the given player object, loading it if necessary (might block).
1090		957
1091	=cut	958	=cut
1092		959
1093	sub cf::player::exists($) {	960	sub playerdir($) {
1094	cf::player::find $_[0]	961	cf::localdir
1095	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	962	. "/"
		963	. cf::playerdir
		964	. "/"
		965	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		966	}
		967
		968	sub path($) {
		969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		970
		971	(playerdir $login) . "/$login.pl"
		972	}
		973
		974	sub find_active($) {
		975	$cf::PLAYER{$_[0]}
		976	and $cf::PLAYER{$_[0]}->active
		977	and $cf::PLAYER{$_[0]}
		978	}
		979
		980	sub exists($) {
		981	my ($login) = @_;
		982
		983	$cf::PLAYER{$login}
		984	or cf::sync_job { !aio_stat path $login }
		985	}
		986
		987	sub find($) {
		988	return $cf::PLAYER{$_[0]} || do {
		989	my $login = $_[0];
		990
		991	my $guard = cf::lock_acquire "user_find:$login";
		992
		993	$cf::PLAYER{$_[0]} || do {
		994	my $pl = load_pl path $login
		995	or return;
		996	$cf::PLAYER{$login} = $pl
		997	}
		998	}
		999	}
		1000
		1001	sub save($) {
		1002	my ($pl) = @_;
		1003
		1004	return if $pl->{deny_save};
		1005
		1006	my $path = path $pl;
		1007	my $guard = cf::lock_acquire "user_save:$path";
		1008
		1009	return if $pl->{deny_save};
		1010
		1011	aio_mkdir playerdir $pl, 0770;
		1012	$pl->{last_save} = $cf::RUNTIME;
		1013
		1014	$pl->save_pl ($path);
		1015	Coro::cede;
		1016	}
		1017
		1018	sub new($) {
		1019	my ($login) = @_;
		1020
		1021	my $self = create;
		1022
		1023	$self->ob->name ($login);
		1024	$self->{deny_save} = 1;
		1025
		1026	$cf::PLAYER{$login} = $self;
		1027
		1028	$self
		1029	}
		1030
		1031	=item $pl->quit_character
		1032
		1033	Nukes the player without looking back. If logged in, the connection will
		1034	be destroyed. May block for a long time.
		1035
		1036	=cut
		1037
		1038	sub quit_character {
		1039	my ($pl) = @_;
		1040
		1041	$pl->{deny_save} = 1;
		1042	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1043
		1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1045	$pl->deactivate;
		1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1047	$pl->ns->destroy if $pl->ns;
		1048
		1049	my $path = playerdir $pl;
		1050	my $temp = "$path~$cf::RUNTIME~deleting~";
		1051	aio_rename $path, $temp;
		1052	delete $cf::PLAYER{$pl->ob->name};
		1053	$pl->destroy;
		1054	IO::AIO::aio_rmtree $temp;
		1055	}
		1056
		1057	=item cf::player::list_logins
		1058
		1059	Returns am arrayref of all valid playernames in the system, can take a
		1060	while and may block, so not sync_job-capable, ever.
		1061
		1062	=cut
		1063
		1064	sub list_logins {
		1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1066	or return [];
		1067
		1068	my @logins;
		1069
		1070	for my $login (@$dirs) {
		1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1072	aio_read $fh, 0, 512, my $buf, 0 or next;
		1073	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1074
		1075	utf8::decode $login;
		1076	push @logins, $login;
		1077	}
		1078
		1079	\@logins
		1080	}
		1081
		1082	=item $player->maps
		1083
		1084	Returns an arrayref of map paths that are private for this
		1085	player. May block.
		1086
		1087	=cut
		1088
		1089	sub maps($) {
		1090	my ($pl) = @_;
		1091
		1092	$pl = ref $pl ? $pl->ob->name : $pl;
		1093
		1094	my $files = aio_readdir playerdir $pl
		1095	or return;
		1096
		1097	my @paths;
		1098
		1099	for (@$files) {
		1100	utf8::decode $_;
		1101	next if /\.(?:pl|pst)$/;
		1102	next unless /^$PATH_SEP/o;
		1103
		1104	push @paths, cf::map::normalise "~$pl/$_";
		1105	}
		1106
		1107	\@paths
1096	}	1108	}
1097		1109
1098	=item $player->ext_reply ($msgid, $msgtype, %msg)	1110	=item $player->ext_reply ($msgid, $msgtype, %msg)
1099		1111
1100	Sends an ext reply to the player.	1112	Sends an ext reply to the player.
1101		1113
1102	=cut	1114	=cut
1103		1115
1104	sub cf::player::ext_reply($$$%) {	1116	sub ext_reply($$$%) {
1105	my ($self, $id, %msg) = @_;	1117	my ($self, $id, %msg) = @_;
1106		1118
1107	$msg{msgid} = $id;	1119	$msg{msgid} = $id;
1108		1120
1109	$self->send ("ext " . to_json \%msg);	1121	$self->send ("ext " . cf::to_json \%msg);
1110	}	1122	}
		1123
		1124	package cf;
1111		1125
1112	=back	1126	=back
1113		1127
1114		1128
1115	=head3 cf::map	1129	=head3 cf::map
…		…
1121	package cf::map;	1135	package cf::map;
1122		1136
1123	use Fcntl;	1137	use Fcntl;
1124	use Coro::AIO;	1138	use Coro::AIO;
1125		1139
		1140	use overload
		1141	'""' => \&as_string,
		1142	fallback => 1;
		1143
1126	our $MAX_RESET = 3600;	1144	our $MAX_RESET = 3600;
1127	our $DEFAULT_RESET = 3000;	1145	our $DEFAULT_RESET = 3000;
1128		1146
1129	sub generate_random_map {	1147	sub generate_random_map {
1130	my ($path, $rmp) = @_;	1148	my ($self, $rmp) = @_;
1131
1132	# mit "rum" bekleckern, nicht	1149	# mit "rum" bekleckern, nicht
1133	cf::map::_create_random_map	1150	$self->_create_random_map (
1134	$path,
1135	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1136	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1137	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138	$rmp->{exit_on_final_map},	1154	$rmp->{exit_on_final_map},
1139	$rmp->{xsize}, $rmp->{ysize},	1155	$rmp->{xsize}, $rmp->{ysize},
1140	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1141	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1142	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1143	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1144	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1145	(cf::region::find $rmp->{region})	1161	(cf::region::find $rmp->{region}), $rmp->{custom}
		1162	)
		1163	}
		1164
		1165	=item cf::map->register ($regex, $prio)
		1166
		1167	Register a handler for the map path matching the given regex at the
		1168	givne priority (higher is better, built-in handlers have priority 0, the
		1169	default).
		1170
		1171	=cut
		1172
		1173	sub register {
		1174	my (undef, $regex, $prio) = @_;
		1175	my $pkg = caller;
		1176
		1177	no strict;
		1178	push @{"$pkg\::ISA"}, __PACKAGE__;
		1179
		1180	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1181	}
		1182
		1183	# also paths starting with '/'
		1184	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1185
		1186	sub thawer_merge {
		1187	my ($self, $merge) = @_;
		1188
		1189	# we have to keep some variables in memory intact
		1190	local $self->{path};
		1191	local $self->{load_path};
		1192	local $self->{deny_save};
		1193	local $self->{deny_reset};
		1194
		1195	$self->SUPER::thawer_merge ($merge);
		1196	}
		1197
		1198	sub normalise {
		1199	my ($path, $base) = @_;
		1200
		1201	$path = "$path"; # make sure its a string
		1202
		1203	$path =~ s/\.map$//;
		1204
		1205	# map plan:
		1206	#
		1207	# /! non-realised random map exit (special hack!)
		1208	# {... are special paths that are not being touched
		1209	# ?xxx/... are special absolute paths
		1210	# ?random/... random maps
		1211	# /... normal maps
		1212	# ~user/... per-player map of a specific user
		1213
		1214	$path =~ s/$PATH_SEP/\//go;
		1215
		1216	# treat it as relative path if it starts with
		1217	# something that looks reasonable
		1218	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1219	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1220
		1221	$base =~ s{[^/]+/?$}{};
		1222	$path = "$base/$path";
		1223	}
		1224
		1225	for ($path) {
		1226	redo if s{//}{/};
		1227	redo if s{/\.?/}{/};
		1228	redo if s{/[^/]+/\.\./}{/};
		1229	}
		1230
		1231	$path
		1232	}
		1233
		1234	sub new_from_path {
		1235	my (undef, $path, $base) = @_;
		1236
		1237	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1238
		1239	$path = normalise $path, $base;
		1240
		1241	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1242	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1243	my $self = bless cf::map::new, $pkg;
		1244	$self->{path} = $path; $self->path ($path);
		1245	$self->init; # pass $1 etc.
		1246	return $self;
		1247	}
		1248	}
		1249
		1250	Carp::carp "unable to resolve path '$path' (base '$base').";
		1251	()
		1252	}
		1253
		1254	sub init {
		1255	my ($self) = @_;
		1256
		1257	$self
		1258	}
		1259
		1260	sub as_string {
		1261	my ($self) = @_;
		1262
		1263	"$self->{path}"
		1264	}
		1265
		1266	# the displayed name, this is a one way mapping
		1267	sub visible_name {
		1268	&as_string
		1269	}
		1270
		1271	# the original (read-only) location
		1272	sub load_path {
		1273	my ($self) = @_;
		1274
		1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1276	}
		1277
		1278	# the temporary/swap location
		1279	sub save_path {
		1280	my ($self) = @_;
		1281
		1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1284	}
		1285
		1286	# the unique path, undef == no special unique path
		1287	sub uniq_path {
		1288	my ($self) = @_;
		1289
		1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1146	}	1292	}
1147		1293
1148	# and all this just because we cannot iterate over	1294	# and all this just because we cannot iterate over
1149	# all maps in C++...	1295	# all maps in C++...
1150	sub change_all_map_light {	1296	sub change_all_map_light {
…		…
1152		1298
1153	$_->change_map_light ($change)	1299	$_->change_map_light ($change)
1154	for grep $_->outdoor, values %cf::MAP;	1300	for grep $_->outdoor, values %cf::MAP;
1155	}	1301	}
1156		1302
		1303	sub unlink_save {
		1304	my ($self) = @_;
		1305
		1306	utf8::encode (my $save = $self->save_path);
		1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1309
		1310	#d#TODO remove .map and also nuke
		1311	$save =~ s/\.map// or return;#d#
		1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1314	}
		1315
1157	sub try_load_header($) {	1316	sub load_header_from($) {
1158	my ($path) = @_;	1317	my ($self, $path) = @_;
1159		1318
1160	utf8::encode $path;	1319	utf8::encode $path;
1161	aio_open $path, O_RDONLY, 0	1320	#aio_open $path, O_RDONLY, 0
		1321	# or return;
		1322
		1323	$self->_load_header ($path)
1162	or return;	1324	or return;
1163		1325
1164	my $map = cf::map::new	1326	$self->{load_path} = $path;
		1327
		1328	1
		1329	}
		1330
		1331	sub load_header_orig {
		1332	my ($self) = @_;
		1333
		1334	$self->load_header_from ($self->load_path)
		1335	}
		1336
		1337	sub load_header_temp {
		1338	my ($self) = @_;
		1339
		1340	$self->load_header_from ($self->save_path)
		1341	}
		1342
		1343	sub prepare_temp {
		1344	my ($self) = @_;
		1345
		1346	$self->last_access ((delete $self->{last_access})
		1347	|| $cf::RUNTIME); #d#
		1348	# safety
		1349	$self->{instantiate_time} = $cf::RUNTIME
		1350	if $self->{instantiate_time} > $cf::RUNTIME;
		1351	}
		1352
		1353	sub prepare_orig {
		1354	my ($self) = @_;
		1355
		1356	$self->{load_original} = 1;
		1357	$self->{instantiate_time} = $cf::RUNTIME;
		1358	$self->last_access ($cf::RUNTIME);
		1359	$self->instantiate;
		1360	}
		1361
		1362	sub load_header {
		1363	my ($self) = @_;
		1364
		1365	if ($self->load_header_temp) {
		1366	$self->prepare_temp;
		1367	} else {
		1368	$self->load_header_orig
1165	or return;	1369	or return;
		1370	$self->prepare_orig;
		1371	}
1166		1372
1167	# for better error messages only, will be overwritten	1373	1
1168	$map->path ($path);
1169
1170	$map->load_header ($path)
1171	or return;
1172
1173	$map->{load_path} = $path;
1174
1175	$map
1176	}	1374	}
1177		1375
1178	sub find;	1376	sub find;
1179	sub find {	1377	sub find {
1180	my ($path, $origin) = @_;	1378	my ($path, $origin) = @_;
1181		1379
1182	#warn "find<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1380	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1381
1187	cf::lock_wait "map_find:$key";	1382	cf::lock_wait "map_find:$path";
1188		1383
1189	$cf::MAP{$key} || do {	1384	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1385	my $guard = cf::lock_acquire "map_find:$path";
1191		1386	my $map = new_from_path cf::map $path
1192	# do it the slow way
1193	my $map = try_load_header $path->save_path;
1194
1195	Coro::cede;
1196
1197	if ($map) {
1198	$map->last_access ((delete $map->{last_access})
1199	|| $cf::RUNTIME); #d#
1200	# safety
1201	$map->{instantiate_time} = $cf::RUNTIME
1202	if $map->{instantiate_time} > $cf::RUNTIME;
1203	} else {
1204	if (my $rmp = $path->random_map_params) {
1205	$map = generate_random_map $key, $rmp;
1206	} else {
1207	$map = try_load_header $path->load_path;
1208	}
1209
1210	$map or return;	1387	or return;
1211		1388
1212	$map->{load_original} = 1;
1213	$map->{instantiate_time} = $cf::RUNTIME;
1214	$map->last_access ($cf::RUNTIME);
1215	$map->instantiate;
1216
1217	# per-player maps become, after loading, normal maps
1218	$map->per_player (0) if $path->{user_rel};
1219	}
1220
1221	$map->path ($key);
1222	$map->{path} = $path;
1223	$map->{last_save} = $cf::RUNTIME;	1389	$map->{last_save} = $cf::RUNTIME;
1224		1390
1225	Coro::cede;	1391	$map->load_header
		1392	or return;
1226		1393
1227	if ($map->should_reset) {	1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1395	# doing this can freeze the server in a sync job, obviously
		1396	#$cf::WAIT_FOR_TICK->wait;
1228	$map->reset;	1397	$map->reset;
1229	undef $guard;	1398	undef $guard;
1230	$map = find $path	1399	return find $path;
1231	or return;
1232	}	1400	}
1233		1401
1234	$cf::MAP{$key} = $map	1402	$cf::MAP{$path} = $map
1235	}	1403	}
1236	}	1404	}
		1405
		1406	sub pre_load { }
		1407	sub post_load { }
1237		1408
1238	sub load {	1409	sub load {
1239	my ($self) = @_;	1410	my ($self) = @_;
1240		1411
		1412	local $self->{deny_reset} = 1; # loading can take a long time
		1413
1241	my $path = $self->{path};	1414	my $path = $self->{path};
1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1415	my $guard = cf::lock_acquire "map_load:$path";
1243		1416
1244	return if $self->in_memory != cf::MAP_SWAPPED;	1417	return if $self->in_memory != cf::MAP_SWAPPED;
1245		1418
1246	$self->in_memory (cf::MAP_LOADING);	1419	$self->in_memory (cf::MAP_LOADING);
1247		1420
1248	$self->alloc;	1421	$self->alloc;
		1422
		1423	$self->pre_load;
		1424
1249	$self->load_objects ($self->{load_path}, 1)	1425	$self->_load_objects ($self->{load_path}, 1)
1250	or return;	1426	or return;
1251		1427
1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1253	if delete $self->{load_original};	1429	if delete $self->{load_original};
1254		1430
1255	if (my $uniq = $path->uniq_path) {	1431	if (my $uniq = $self->uniq_path) {
1256	utf8::encode $uniq;	1432	utf8::encode $uniq;
1257	if (aio_open $uniq, O_RDONLY, 0) {	1433	if (aio_open $uniq, O_RDONLY, 0) {
1258	$self->clear_unique_items;	1434	$self->clear_unique_items;
1259	$self->load_objects ($uniq, 0);	1435	$self->_load_objects ($uniq, 0);
1260	}	1436	}
1261	}	1437	}
1262		1438
1263	Coro::cede;	1439	Coro::cede;
1264		1440
1265	# now do the right thing for maps	1441	# now do the right thing for maps
1266	$self->link_multipart_objects;	1442	$self->link_multipart_objects;
1267		1443
1268	if ($self->{path}->is_style_map) {	1444	unless ($self->{deny_activate}) {
1269	$self->{deny_save} = 1;	1445	$self->decay_objects;
1270	$self->{deny_reset} = 1;
1271	} else {
1272	$self->fix_auto_apply;	1446	$self->fix_auto_apply;
1273	$self->decay_objects;
1274	$self->update_buttons;	1447	$self->update_buttons;
		1448	Coro::cede;
1275	$self->set_darkness_map;	1449	$self->set_darkness_map;
1276	$self->difficulty ($self->estimate_difficulty)	1450	$self->difficulty ($self->estimate_difficulty)
1277	unless $self->difficulty;	1451	unless $self->difficulty;
		1452	Coro::cede;
1278	$self->activate;	1453	$self->activate;
1279	}	1454	}
1280		1455
1281	Coro::cede;	1456	$self->post_load;
1282		1457
1283	$self->in_memory (cf::MAP_IN_MEMORY);	1458	$self->in_memory (cf::MAP_IN_MEMORY);
		1459	}
		1460
		1461	sub customise_for {
		1462	my ($self, $ob) = @_;
		1463
		1464	return find "~" . $ob->name . "/" . $self->{path}
		1465	if $self->per_player;
		1466
		1467	$self
		1468	}
		1469
		1470	# find and load all maps in the 3x3 area around a map
		1471	sub load_diag {
		1472	my ($map) = @_;
		1473
		1474	my @diag; # diagonal neighbours
		1475
		1476	for (0 .. 3) {
		1477	my $neigh = $map->tile_path ($_)
		1478	or next;
		1479	$neigh = find $neigh, $map
		1480	or next;
		1481	$neigh->load;
		1482
		1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1485	}
		1486
		1487	for (@diag) {
		1488	my $neigh = find @$_
		1489	or next;
		1490	$neigh->load;
		1491	}
1284	}	1492	}
1285		1493
1286	sub find_sync {	1494	sub find_sync {
1287	my ($path, $origin) = @_;	1495	my ($path, $origin) = @_;
1288		1496
1289	cf::sync_job { cf::map::find $path, $origin }	1497	cf::sync_job { find $path, $origin }
1290	}	1498	}
1291		1499
1292	sub do_load_sync {	1500	sub do_load_sync {
1293	my ($map) = @_;	1501	my ($map) = @_;
1294		1502
1295	cf::sync_job { $map->load };	1503	cf::sync_job { $map->load };
1296	}	1504	}
1297		1505
		1506	our %MAP_PREFETCH;
		1507	our $MAP_PREFETCHER = undef;
		1508
		1509	sub find_async {
		1510	my ($path, $origin) = @_;
		1511
		1512	$path = normalise $path, $origin && $origin->{path};
		1513
		1514	if (my $map = $cf::MAP{$path}) {
		1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1516	}
		1517
		1518	undef $MAP_PREFETCH{$path};
		1519	$MAP_PREFETCHER ||= cf::async {
		1520	while (%MAP_PREFETCH) {
		1521	for my $path (keys %MAP_PREFETCH) {
		1522	my $map = find $path
		1523	or next;
		1524	$map->load;
		1525
		1526	delete $MAP_PREFETCH{$path};
		1527	}
		1528	}
		1529	undef $MAP_PREFETCHER;
		1530	};
		1531	$MAP_PREFETCHER->prio (6);
		1532
		1533	()
		1534	}
		1535
1298	sub save {	1536	sub save {
1299	my ($self) = @_;	1537	my ($self) = @_;
1300		1538
		1539	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1540
1301	$self->{last_save} = $cf::RUNTIME;	1541	$self->{last_save} = $cf::RUNTIME;
1302		1542
1303	return unless $self->dirty;	1543	return unless $self->dirty;
1304		1544
1305	my $save = $self->{path}->save_path; utf8::encode $save;	1545	my $save = $self->save_path; utf8::encode $save;
1306	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1546	my $uniq = $self->uniq_path; utf8::encode $uniq;
1307		1547
1308	$self->{load_path} = $save;	1548	$self->{load_path} = $save;
1309		1549
1310	return if $self->{deny_save};	1550	return if $self->{deny_save};
1311		1551
1312	local $self->{last_access} = $self->last_access;#d#	1552	local $self->{last_access} = $self->last_access;#d#
1313		1553
		1554	cf::async {
		1555	$_->contr->save for $self->players;
		1556	};
		1557
1314	if ($uniq) {	1558	if ($uniq) {
1315	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1316	$self->save_objects ($uniq, cf::IO_UNIQUES);	1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1317	} else {	1561	} else {
1318	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1319	}	1563	}
1320	}	1564	}
1321		1565
1322	sub swap_out {	1566	sub swap_out {
1323	my ($self) = @_;	1567	my ($self) = @_;
1324		1568
1325	# save first because save cedes	1569	# save first because save cedes
1326	$self->save;	1570	$self->save;
		1571
		1572	my $lock = cf::lock_acquire "map_data:" . $self->path;
1327		1573
1328	return if $self->players;	1574	return if $self->players;
1329	return if $self->in_memory != cf::MAP_IN_MEMORY;	1575	return if $self->in_memory != cf::MAP_IN_MEMORY;
1330	return if $self->{deny_save};	1576	return if $self->{deny_save};
1331		1577
…		…
1335		1581
1336	sub reset_at {	1582	sub reset_at {
1337	my ($self) = @_;	1583	my ($self) = @_;
1338		1584
1339	# TODO: safety, remove and allow resettable per-player maps	1585	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1587	return 1e99 if $self->{deny_reset};
1342		1588
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1591
…		…
1350	my ($self) = @_;	1596	my ($self) = @_;
1351		1597
1352	$self->reset_at <= $cf::RUNTIME	1598	$self->reset_at <= $cf::RUNTIME
1353	}	1599	}
1354		1600
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1601	sub reset {
1377	my ($self) = @_;	1602	my ($self) = @_;
1378		1603
		1604	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1605
1379	return if $self->players;	1606	return if $self->players;
1380	return if $self->{path}{user_rel};#d#	1607	return if $self->isa ("ext::map_per_player");#d#
1381		1608
1382	warn "resetting map ", $self->path;#d#	1609	warn "resetting map ", $self->path;#d#
1383		1610
1384	delete $cf::MAP{$self->path};	1611	delete $cf::MAP{$self->path};
		1612
		1613	$self->in_memory (cf::MAP_SWAPPED);
		1614	$self->clear;
1385		1615
1386	$_->clear_links_to ($self) for values %cf::MAP;	1616	$_->clear_links_to ($self) for values %cf::MAP;
1387		1617
1388	$self->unlink_save;	1618	$self->unlink_save;
1389	$self->destroy;	1619	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	1622	my $nuke_counter = "aaaa";
1393		1623
1394	sub nuke {	1624	sub nuke {
1395	my ($self) = @_;	1625	my ($self) = @_;
1396		1626
		1627	delete $cf::MAP{$self->path};
		1628
		1629	$self->unlink_save;
		1630
		1631	bless $self, "cf::map";
		1632	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	1633	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	1634	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1636
		1637	$cf::MAP{$self->path} = $self;
		1638
1400	$self->reset; # polite request, might not happen	1639	$self->reset; # polite request, might not happen
1401	}	1640	}
1402		1641
1403	sub customise_for {	1642	=item cf::map::unique_maps
1404	my ($map, $ob) = @_;
1405		1643
1406	if ($map->per_player) {	1644	Returns an arrayref of paths of all shared maps that have
1407	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1645	instantiated unique items. May block.
1408	}
1409		1646
1410	$map	1647	=cut
1411	}
1412		1648
1413	sub emergency_save {	1649	sub unique_maps() {
1414	my $freeze_guard = cf::freeze_mainloop;	1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1651	or return;
1415		1652
1416	warn "enter emergency map save\n";	1653	my @paths;
1417		1654
1418	cf::sync_job {	1655	for (@$files) {
1419	warn "begin emergency map save\n";	1656	utf8::decode $_;
1420	$_->save for values %cf::MAP;	1657	next if /\.pst$/;
		1658	next unless /^$PATH_SEP/o;
		1659
		1660	push @paths, cf::map::normalise $_;
1421	};	1661	}
1422		1662
1423	warn "end emergency map save\n";	1663	\@paths
1424	}	1664	}
1425		1665
1426	package cf;	1666	package cf;
1427		1667
1428	=back	1668	=back
1429		1669
		1670	=head3 cf::object
		1671
		1672	=cut
		1673
		1674	package cf::object;
		1675
		1676	=over 4
		1677
		1678	=item $ob->inv_recursive
		1679
		1680	Returns the inventory of the object _and_ their inventories, recursively.
		1681
		1682	=cut
		1683
		1684	sub inv_recursive_;
		1685	sub inv_recursive_ {
		1686	map { $_, inv_recursive_ $_->inv } @_
		1687	}
		1688
		1689	sub inv_recursive {
		1690	inv_recursive_ inv $_[0]
		1691	}
		1692
		1693	package cf;
		1694
		1695	=back
1430		1696
1431	=head3 cf::object::player	1697	=head3 cf::object::player
1432		1698
1433	=over 4	1699	=over 4
1434		1700
…		…
1474		1740
1475	=item $player_object->enter_link	1741	=item $player_object->enter_link
1476		1742
1477	Freezes the player and moves him/her to a special map (C<{link}>).	1743	Freezes the player and moves him/her to a special map (C<{link}>).
1478		1744
1479	The player should be reaosnably safe there for short amounts of time. You	1745	The player should be reasonably safe there for short amounts of time. You
1480	I<MUST> call C<leave_link> as soon as possible, though.	1746	I<MUST> call C<leave_link> as soon as possible, though.
1481		1747
		1748	Will never block.
		1749
1482	=item $player_object->leave_link ($map, $x, $y)	1750	=item $player_object->leave_link ($map, $x, $y)
1483		1751
1484	Moves the player out of the specila link map onto the given map. If the	1752	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	1753	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	1754	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	1755	fails, to the emergency map position.
1488		1756
1489	Might block.	1757	Might block.
1490		1758
1491	=cut	1759	=cut
		1760
		1761	sub link_map {
		1762	unless ($LINK_MAP) {
		1763	$LINK_MAP = cf::map::find "{link}"
		1764	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1765	$LINK_MAP->load;
		1766	}
		1767
		1768	$LINK_MAP
		1769	}
1492		1770
1493	sub cf::object::player::enter_link {	1771	sub cf::object::player::enter_link {
1494	my ($self) = @_;	1772	my ($self) = @_;
1495		1773
1496	$self->deactivate_recursive;	1774	$self->deactivate_recursive;
1497		1775
1498	return if $self->map == $LINK_MAP;	1776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		1777
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	1779	if $self->map;
1502		1780
1503	$self->enter_map ($LINK_MAP, 20, 20);	1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1504	}	1782	}
1505		1783
1506	sub cf::object::player::leave_link {	1784	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	1785	my ($self, $map, $x, $y) = @_;
1508		1786
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	1804	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	1805	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	1806	if $x <=0 && $y <= 0;
1529		1807
1530	$map->load;	1808	$map->load;
		1809	$map->load_diag;
1531		1810
		1811	return unless $self->contr->active;
1532	$self->activate_recursive;	1812	$self->activate_recursive;
1533	$self->enter_map ($map, $x, $y);	1813	$self->enter_map ($map, $x, $y);
1534	}	1814	}
1535		1815
1536	cf::player->attach (	1816	cf::player->attach (
…		…
1549		1829
1550	# try to abort aborted map switching on player login :)	1830	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes	1831	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {	1832	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;	1833	$pl->ob->enter_link;
1554	cf::async {	1834	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running	1835	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn	1836	# and this sleep increases chances of the player not ending up in scorn
		1837	$pl->ob->reply (undef,
		1838	"There was an internal problem at your last logout, "
		1839	. "the server will try to bring you to your intended destination in a second.",
		1840	cf::NDI_RED);
1557	Coro::Timer::sleep 1;	1841	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;	1842	$pl->ob->leave_link;
1559	};	1843	})->prio (2);
1560	}	1844	}
1561	},	1845	},
1562	);	1846	);
1563		1847
1564	=item $player_object->goto ($path, $x, $y)	1848	=item $player_object->goto ($path, $x, $y)
…		…
1568	sub cf::object::player::goto {	1852	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	1853	my ($self, $path, $x, $y) = @_;
1570		1854
1571	$self->enter_link;	1855	$self->enter_link;
1572		1856
1573	(cf::async {	1857	(async {
1574	$path = new cf::path $path;	1858	my $map = eval {
1575
1576	my $map = cf::map::find $path->as_string;	1859	my $map = cf::map::find $path;
1577	$map = $map->customise_for ($self) if $map;	1860	$map = $map->customise_for ($self) if $map;
1578		1861	$map
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	1862	} or
1580	# if $map;
1581
1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1583		1864
1584	$self->leave_link ($map, $x, $y);	1865	$self->leave_link ($map, $x, $y);
1585	})->prio (1);	1866	})->prio (1);
1586	}	1867	}
1587		1868
…		…
1591		1872
1592	sub parse_random_map_params {	1873	sub parse_random_map_params {
1593	my ($spec) = @_;	1874	my ($spec) = @_;
1594		1875
1595	my $rmp = { # defaults	1876	my $rmp = { # defaults
1596	xsize => 10,	1877	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	1878	ysize => (cf::rndm 15, 40),
		1879	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1880	#layout => string,
1598	};	1881	};
1599		1882
1600	for (split /\n/, $spec) {	1883	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	1884	my ($k, $v) = split /\s+/, $_, 2;
1602		1885
…		…
1606	$rmp	1889	$rmp
1607	}	1890	}
1608		1891
1609	sub prepare_random_map {	1892	sub prepare_random_map {
1610	my ($exit) = @_;	1893	my ($exit) = @_;
		1894
		1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		1896
1612	# all this does is basically replace the /! path by	1897	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	1898	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	1899	# that depends on the exit object
1615		1900
1616	my $rmp = parse_random_map_params $exit->msg;	1901	my $rmp = parse_random_map_params $exit->msg;
1617		1902
1618	if ($exit->map) {	1903	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	1904	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	1905	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	1906	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	1907	$rmp->{origin_y} = $exit->y;
1623	}	1908	}
1624		1909
1625	$rmp->{random_seed} ||= $exit->random_seed;	1910	$rmp->{random_seed} ||= $exit->random_seed;
1626		1911
1627	my $data = cf::to_json $rmp;	1912	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	1913	my $md5 = Digest::MD5::md5_hex $data;
		1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1629		1915
1630	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1631	aio_write $fh, 0, (length $data), $data, 0;	1917	aio_write $fh, 0, (length $data), $data, 0;
		1918	undef $fh;
		1919	aio_rename "$meta~", $meta;
1632		1920
1633	$exit->slaying ("?random/$md5");	1921	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	1922	$exit->msg (undef);
1635	}	1923	}
1636	}	1924	}
…		…
1638	sub cf::object::player::enter_exit {	1926	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	1927	my ($self, $exit) = @_;
1640		1928
1641	return unless $self->type == cf::PLAYER;	1929	return unless $self->type == cf::PLAYER;
1642		1930
		1931	if ($exit->slaying eq "/!") {
		1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1933	cf::sync_job { prepare_random_map $exit };
		1934	}
		1935
		1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1937	my $hp = $exit->stats->hp;
		1938	my $sp = $exit->stats->sp;
		1939
1643	$self->enter_link;	1940	$self->enter_link;
1644		1941
1645	(cf::async {	1942	(async {
1646	$self->deactivate_recursive; # just to be sure	1943	$self->deactivate_recursive; # just to be sure
1647	unless (eval {	1944	unless (eval {
1648	prepare_random_map $exit	1945	$self->goto ($slaying, $hp, $sp);
1649	if $exit->slaying eq "/!";
1650
1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1652	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1653		1946
1654	1;	1947	1;
1655	}) {	1948	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	1949	$self->message ("Something went wrong deep within the crossfire server. "
1657	. "I'll try to bring you back to the map you were before. "	1950	. "I'll try to bring you back to the map you were before. "
1658	. "Please report this to the dungeon master",	1951	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	1952	cf::NDI_UNIQUE | cf::NDI_RED);
1660		1953
1661	warn "ERROR in enter_exit: $@";	1954	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	1955	$self->leave_link;
1663	}	1956	}
…		…
1718	# get handled first	2011	# get handled first
1719	my $queue = delete $ns->{query_queue}	2012	my $queue = delete $ns->{query_queue}
1720	or return; # be conservative, not sure how that can happen, but we saw a crash here	2013	or return; # be conservative, not sure how that can happen, but we saw a crash here
1721		2014
1722	(shift @$queue)->[1]->($msg);	2015	(shift @$queue)->[1]->($msg);
		2016	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1723		2017
1724	push @{ $ns->{query_queue} }, @$queue;	2018	push @{ $ns->{query_queue} }, @$queue;
1725		2019
1726	if (@{ $ns->{query_queue} } == @$queue) {	2020	if (@{ $ns->{query_queue} } == @$queue) {
1727	if (@$queue) {	2021	if (@$queue) {
…		…
1731	}	2025	}
1732	}	2026	}
1733	},	2027	},
1734	);	2028	);
1735		2029
1736	=item $client->coro (\&cb)	2030	=item $client->async (\&cb)
1737		2031
1738	Create a new coroutine, running the specified callback. The coroutine will	2032	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	2033	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	2034	or loss of connection).
1741		2035
1742	=cut	2036	=cut
1743		2037
1744	sub cf::client::coro {	2038	sub cf::client::async {
1745	my ($self, $cb) = @_;	2039	my ($self, $cb) = @_;
1746		2040
1747	my $coro = &cf::async ($cb);	2041	my $coro = &Coro::async ($cb);
1748		2042
1749	$coro->on_destroy (sub {	2043	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	2044	delete $self->{_coro}{$coro+0};
1751	});	2045	});
1752		2046
…		…
1946	sub db_sync() {	2240	sub db_sync() {
1947	db_save if $dirty;	2241	db_save if $dirty;
1948	undef $dirty;	2242	undef $dirty;
1949	}	2243	}
1950		2244
1951	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2245	my $idle = Event->idle (
1952	db_sync;	2246	reentrant => 0,
		2247	min => 10,
		2248	max => 20,
		2249	repeat => 0,
		2250	data => WF_AUTOCANCEL,
		2251	cb => \&db_sync,
1953	});	2252	);
1954		2253
1955	sub db_dirty() {	2254	sub db_dirty() {
1956	$dirty = 1;	2255	$dirty = 1;
1957	$idle->start;	2256	$idle->start;
1958	}	2257	}
…		…
1979	},	2278	},
1980	);	2279	);
1981	}	2280	}
1982		2281
1983	#############################################################################	2282	#############################################################################
1984	# the server's main()	2283	# the server's init and main functions
		2284
		2285	sub load_resources {
		2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2287	or die "unable to load regions file\n";#d#
		2288	}
1985		2289
1986	sub cfg_load {	2290	sub cfg_load {
1987	open my $fh, "<:utf8", cf::confdir . "/config"	2291	open my $fh, "<:utf8", cf::confdir . "/config"
1988	or return;	2292	or return;
1989		2293
1990	local $/;	2294	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	2295	*CFG = YAML::Syck::Load <$fh>;
1992		2296
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994		2298
		2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2301
1995	if (exists $CFG{mlockall}) {	2302	if (exists $CFG{mlockall}) {
1996	eval {	2303	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	2305	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	2306	};
2000	warn $@ if $@;	2307	warn $@ if $@;
2001	}	2308	}
		2309	}
		2310
		2311	sub init {
		2312	load_resources;
2002	}	2313	}
2003		2314
2004	sub main {	2315	sub main {
2005	# we must not ever block the main coroutine	2316	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	2317	local $Coro::idle = sub {
2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008	(Coro::unblock_sub {	2319	(async {
2009	Event::one_event;	2320	Event::one_event;
2010	})->();	2321	})->prio (Coro::PRIO_MAX);
2011	};	2322	};
2012		2323
2013	cfg_load;	2324	cfg_load;
2014	db_load;	2325	db_load;
2015	load_extensions;	2326	load_extensions;
		2327
		2328	$TICK_WATCHER->start;
2016	Event::loop;	2329	Event::loop;
2017	}	2330	}
2018		2331
2019	#############################################################################	2332	#############################################################################
2020	# initialisation	2333	# initialisation and cleanup
		2334
		2335	# install some emergency cleanup handlers
		2336	BEGIN {
		2337	for my $signal (qw(INT HUP TERM)) {
		2338	Event->signal (
		2339	reentrant => 0,
		2340	data => WF_AUTOCANCEL,
		2341	signal => $signal,
		2342	prio => 0,
		2343	cb => sub {
		2344	cf::cleanup "SIG$signal";
		2345	},
		2346	);
		2347	}
		2348	}
		2349
		2350	sub emergency_save() {
		2351	my $freeze_guard = cf::freeze_mainloop;
		2352
		2353	warn "enter emergency perl save\n";
		2354
		2355	cf::sync_job {
		2356	# use a peculiar iteration method to avoid tripping on perl
		2357	# refcount bugs in for. also avoids problems with players
		2358	# and maps saved/destroyed asynchronously.
		2359	warn "begin emergency player save\n";
		2360	for my $login (keys %cf::PLAYER) {
		2361	my $pl = $cf::PLAYER{$login} or next;
		2362	$pl->valid or next;
		2363	$pl->save;
		2364	}
		2365	warn "end emergency player save\n";
		2366
		2367	warn "begin emergency map save\n";
		2368	for my $path (keys %cf::MAP) {
		2369	my $map = $cf::MAP{$path} or next;
		2370	$map->valid or next;
		2371	$map->save;
		2372	}
		2373	warn "end emergency map save\n";
		2374	};
		2375
		2376	warn "leave emergency perl save\n";
		2377	}
2021		2378
2022	sub reload() {	2379	sub reload() {
2023	# can/must only be called in main	2380	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	2381	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	2382	warn "can only reload from main coroutine";
2026	return;	2383	return;
2027	}	2384	}
2028		2385
2029	warn "reloading...";	2386	warn "reloading...";
2030		2387
2031	my $guard = freeze_mainloop;	2388	warn "cancelling server ticker";
		2389	$TICK_WATCHER->cancel;
		2390
2032	cf::emergency_save;	2391	cf::emergency_save;
2033		2392
2034	eval {	2393	eval {
2035	# if anything goes wrong in here, we should simply crash as we already saved	2394	# if anything goes wrong in here, we should simply crash as we already saved
2036		2395
2037	# cancel all watchers	2396	warn "syncing database to disk";
		2397	cf::db_sync;
		2398
		2399	warn "cancelling all WF_AUTOCANCEL watchers";
2038	for (Event::all_watchers) {	2400	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}	2402	}
2041		2403
		2404	warn "flushing outstanding aio requests";
		2405	for (;;) {
		2406	IO::AIO::flush;
		2407	Coro::cede;
		2408	last unless IO::AIO::nreqs;
		2409	warn "iterate...";
		2410	}
		2411
2042	# cancel all extension coros	2412	warn "cancelling all extension coros";
2043	$_->cancel for values %EXT_CORO;	2413	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	2414	%EXT_CORO = ();
2045		2415
2046	# unload all extensions	2416	warn "removing commands";
2047	for (@exts) {	2417	%COMMAND = ();
		2418
		2419	warn "removing ext commands";
		2420	%EXTCMD = ();
		2421
		2422	warn "unloading/nuking all extensions";
		2423	for my $pkg (@EXTS) {
2048	warn "unloading <$_>";	2424	warn "... unloading $pkg";
2049	unload_extension $_;	2425
		2426	if (my $cb = $pkg->can ("unload")) {
		2427	eval {
		2428	$cb->($pkg);
		2429	1
		2430	} or warn "$pkg unloaded, but with errors: $@";
2050	}	2431	}
2051		2432
		2433	warn "... nuking $pkg";
		2434	Symbol::delete_package $pkg;
		2435	}
		2436
2052	# unload all modules loaded from $LIBDIR	2437	warn "unloading all perl modules loaded from $LIBDIR";
2053	while (my ($k, $v) = each %INC) {	2438	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055		2440
2056	warn "removing <$k>";	2441	warn "... unloading $k";
2057	delete $INC{$k};	2442	delete $INC{$k};
2058		2443
2059	$k =~ s/\.pm$//;	2444	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;	2445	$k =~ s/\//::/g;
2061		2446
…		…
2064	}	2449	}
2065		2450
2066	Symbol::delete_package $k;	2451	Symbol::delete_package $k;
2067	}	2452	}
2068		2453
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	2454	warn "getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	2455	Symbol::delete_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		2457
2077	# remove register_script_function callbacks
2078	# TODO
2079
2080	# unload cf.pm "a bit"	2458	warn "unloading cf.pm \"a bit\"";
2081	delete $INC{"cf.pm"};	2459	delete $INC{"cf.pm"};
2082		2460
2083	# don't, removes xs symbols, too,	2461	# don't, removes xs symbols, too,
2084	# and global variables created in xs	2462	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	2463	#Symbol::delete_package __PACKAGE__;
2086		2464
2087	# reload cf.pm	2465	warn "unload completed, starting to reload now";
		2466
2088	warn "reloading cf.pm";	2467	warn "reloading cf.pm";
2089	require cf;	2468	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091		2470
2092	# load config and database again	2471	warn "loading config and database again";
2093	cf::cfg_load;	2472	cf::cfg_load;
2094	cf::db_load;	2473	cf::db_load;
2095		2474
2096	# load extensions
2097	warn "load extensions";	2475	warn "loading extensions";
2098	cf::load_extensions;	2476	cf::load_extensions;
2099		2477
2100	# reattach attachments to objects	2478	warn "reattaching attachments to objects/players";
2101	warn "reattach";
2102	_global_reattach;	2479	_global_reattach;
		2480	warn "reattaching attachments to maps";
		2481	reattach $_ for values %MAP;
		2482
		2483	warn "loading reloadable resources";
		2484	load_resources;
		2485
		2486	warn "restarting server ticker";
		2487
		2488	$TICK_WATCHER->start;
2103	};	2489	};
2104		2490
2105	if ($@) {	2491	if ($@) {
2106	warn $@;	2492	warn $@;
2107	warn "error while reloading, exiting.";	2493	warn "error while reloading, exiting.";
2108	exit 1;	2494	exit 1;
2109	}	2495	}
2110		2496
2111	warn "reloaded successfully";	2497	warn "reloaded";
2112	};	2498	};
2113		2499
2114	#############################################################################	2500	our $RELOAD_WATCHER; # used only during reload
2115
2116	unless ($LINK_MAP) {
2117	$LINK_MAP = cf::map::new;
2118
2119	$LINK_MAP->width (41);
2120	$LINK_MAP->height (41);
2121	$LINK_MAP->alloc;
2122	$LINK_MAP->path ("{link}");
2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2125
2126	# dirty hack because... archetypes are not yet loaded
2127	Event->timer (
2128	after => 2,
2129	cb => sub {
2130	$_[0]->w->cancel;
2131
2132	# provide some exits "home"
2133	my $exit = cf::object::new "exit";
2134
2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2138
2139	$LINK_MAP->insert ($exit->clone, 19, 19);
2140	$LINK_MAP->insert ($exit->clone, 19, 20);
2141	$LINK_MAP->insert ($exit->clone, 19, 21);
2142	$LINK_MAP->insert ($exit->clone, 20, 19);
2143	$LINK_MAP->insert ($exit->clone, 20, 21);
2144	$LINK_MAP->insert ($exit->clone, 21, 19);
2145	$LINK_MAP->insert ($exit->clone, 21, 20);
2146	$LINK_MAP->insert ($exit->clone, 21, 21);
2147
2148	$exit->destroy;
2149	});
2150
2151	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;
2153
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}
2156
2157	register "<global>", __PACKAGE__;
2158		2501
2159	register_command "reload" => sub {	2502	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	2503	my ($who, $arg) = @_;
2161		2504
2162	if ($who->flag (FLAG_WIZ)) {	2505	if ($who->flag (FLAG_WIZ)) {
2163	$who->message ("start of reload.");	2506	$who->message ("reloading server.");
		2507
		2508	# doing reload synchronously and two reloads happen back-to-back,
		2509	# coro crashes during coro_state_free->destroy here.
		2510
		2511	$RELOAD_WATCHER ||= Event->timer (
		2512	reentrant => 0,
		2513	after => 0,
		2514	data => WF_AUTOCANCEL,
		2515	cb => sub {
2164	reload;	2516	reload;
2165	$who->message ("end of reload.");	2517	undef $RELOAD_WATCHER;
		2518	},
		2519	);
2166	}	2520	}
2167	};	2521	};
2168		2522
2169	unshift @INC, $LIBDIR;	2523	unshift @INC, $LIBDIR;
		2524
		2525	my $bug_warning = 0;
2170		2526
2171	$TICK_WATCHER = Event->timer (	2527	$TICK_WATCHER = Event->timer (
2172	reentrant => 0,	2528	reentrant => 0,
		2529	parked => 1,
2173	prio => 0,	2530	prio => 0,
2174	at => $NEXT_TICK || $TICK,	2531	at => $NEXT_TICK || $TICK,
2175	data => WF_AUTOCANCEL,	2532	data => WF_AUTOCANCEL,
2176	cb => sub {	2533	cb => sub {
		2534	if ($Coro::current != $Coro::main) {
		2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2536	unless ++$bug_warning > 10;
		2537	return;
		2538	}
		2539
		2540	$NOW = Event::time;
		2541
2177	cf::server_tick; # one server iteration	2542	cf::server_tick; # one server iteration
2178	$RUNTIME += $TICK;	2543	$RUNTIME += $TICK;
2179	$NEXT_TICK += $TICK;	2544	$NEXT_TICK += $TICK;
		2545
		2546	$WAIT_FOR_TICK->broadcast;
		2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2548
		2549	Event::sweep;
		2550	Coro::cede_notself;
		2551
		2552	# my $AFTER = Event::time;
		2553	# warn $AFTER - $NOW;#d#
2180		2554
2181	# if we are delayed by four ticks or more, skip them all	2555	# if we are delayed by four ticks or more, skip them all
2182	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2183		2557
2184	$TICK_WATCHER->at ($NEXT_TICK);	2558	$TICK_WATCHER->at ($NEXT_TICK);
2185	$TICK_WATCHER->start;	2559	$TICK_WATCHER->start;
2186	},	2560	},
2187	);	2561	);
2188		2562
		2563	{
		2564	BDB::max_poll_time $TICK * 0.1;
		2565	$BDB_POLL_WATCHER = Event->io (
		2566	reentrant => 0,
		2567	fd => BDB::poll_fileno,
		2568	poll => 'r',
		2569	prio => 0,
		2570	data => WF_AUTOCANCEL,
		2571	cb => \&BDB::poll_cb,
		2572	);
		2573	BDB::min_parallel 8;
		2574
		2575	BDB::set_sync_prepare {
		2576	my $status;
		2577	my $current = $Coro::current;
		2578	(
		2579	sub {
		2580	$status = $!;
		2581	$current->ready; undef $current;
		2582	},
		2583	sub {
		2584	Coro::schedule while defined $current;
		2585	$! = $status;
		2586	},
		2587	)
		2588	};
		2589
		2590	unless ($DB_ENV) {
		2591	$DB_ENV = BDB::db_env_create;
		2592
		2593	cf::sync_job {
		2594	BDB::db_env_open
		2595	$DB_ENV,
		2596	$BDB_ENV_DIR,
		2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2599	0666;
		2600
		2601	cf::cleanup "$!" if $!;
		2602
		2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2604	$DB_ENV->set_lk_detect;
		2605	};
		2606	}
		2607	}
		2608
		2609	{
		2610	IO::AIO::min_parallel 8;
		2611
		2612	undef $Coro::AIO::WATCHER;
2189	IO::AIO::max_poll_time $TICK * 0.2;	2613	IO::AIO::max_poll_time $TICK * 0.1;
2190		2614	$AIO_POLL_WATCHER = Event->io (
2191	Event->io (	2615	reentrant => 0,
2192	fd => IO::AIO::poll_fileno,	2616	fd => IO::AIO::poll_fileno,
2193	poll => 'r',	2617	poll => 'r',
2194	prio => 5,	2618	prio => 6,
2195	data => WF_AUTOCANCEL,	2619	data => WF_AUTOCANCEL,
2196	cb => \&IO::AIO::poll_cb,	2620	cb => \&IO::AIO::poll_cb,
2197	);	2621	);
		2622	}
2198		2623
2199	Event->timer (	2624	$WRITE_RUNTIME_WATCHER = Event->timer (
		2625	reentrant => 0,
2200	data => WF_AUTOCANCEL,	2626	data => WF_AUTOCANCEL,
2201	after => 0,	2627	after => 1,
2202	interval => 10,	2628	interval => 10,
2203	cb => sub {	2629	prio => 6, # keep it lowest so it acts like a watchdog
2204	(Coro::unblock_sub {	2630	cb => Coro::unblock_sub {
2205	write_runtime	2631	write_runtime
2206	or warn "ERROR: unable to write runtime file: $!";	2632	or warn "ERROR: unable to write runtime file: $!";
2207	})->();
2208	},	2633	},
2209	);	2634	);
2210		2635
2211	END { cf::emergency_save }	2636	END { cf::emergency_save }
2212		2637

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