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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.133 by root, Thu Jan 4 16:19:32 2007 UTC vs.
Revision 1.218 by root, Sat Feb 17 01:58:55 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;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	38	$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		39
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		78
57	binmode STDOUT;	79	binmode STDOUT;
58	binmode STDERR;	80	binmode STDERR;
59		81
60	# read virtual server time, if available	82	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	89	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
72		95
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
76		99
77	#############################################################################	100	#############################################################################
78		101
79	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
80		103
…		…
104		127
105	=item %cf::CFG	128	=item %cf::CFG
106		129
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
109		139
110	=back	140	=back
111		141
112	=cut	142	=cut
113		143
…		…
117	utf8::encode $msg;	147	utf8::encode $msg;
118		148
119	$msg .= "\n"	149	$msg .= "\n"
120	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
121		151
122	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
123	};	153	};
124	}	154	}
125		155
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		175
146	$Event::DIED = sub {	176	$Event::DIED = sub {
147	warn "error in event callback: @_";	177	warn "error in event callback: @_";
148	};	178	};
149		179
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
155		181
156	=over 4	182	=over 4
157		183
		184	=item dumpval $ref
		185
158	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
159		206
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		208
162	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
163		210
…		…
179	sub to_json($) {	226	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]	228	JSON::Syck::Dump $_[0]
182	}	229	}
183		230
184	=item my $guard = cf::guard { BLOCK }
185
186	Run the given callback when the guard object gets destroyed (useful for
187	coroutine cancellations).
188
189	You can call C<< ->cancel >> on the guard object to stop the block from
190	being executed.
191
192	=cut
193
194	sub guard(&) {
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197
198	sub cf::guard::cancel {
199	${$_[0]} = sub { };
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}
205
206	=item cf::lock_wait $string	231	=item cf::lock_wait $string
207		232
208	Wait until the given lock is available. See cf::lock_acquire.	233	Wait until the given lock is available. See cf::lock_acquire.
209		234
210	=item my $lock = cf::lock_acquire $string	235	=item my $lock = cf::lock_acquire $string
211		236
212	Wait until the given lock is available and then acquires it and returns	237	Wait until the given lock is available and then acquires it and returns
213	a guard object. If the guard object gets destroyed (goes out of scope,	238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
214	for example when the coroutine gets canceled), the lock is automatically	239	for example when the coroutine gets canceled), the lock is automatically
215	returned.	240	returned.
216		241
217	Lock names should begin with a unique identifier (for example, cf::map::find	242	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load uses map_load).	243	uses map_find and cf::map::load uses map_load).
…		…
237	# wait, to be sure we are not locked	262	# wait, to be sure we are not locked
238	lock_wait $key;	263	lock_wait $key;
239		264
240	$LOCK{$key} = [];	265	$LOCK{$key} = [];
241		266
242	cf::guard {	267	Coro::guard {
243	# wake up all waiters, to be on the safe side	268	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	269	$_->ready for @{ delete $LOCK{$key} };
245	}	270	}
246	}	271	}
247		272
248	=item cf::async { BLOCK }
249
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
251	error instead of exiting the server in case of a problem.
252
253	=cut
254
255	sub async(&) {
256	my ($cb) = @_;
257
258	Coro::async {
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}
263
264	sub freeze_mainloop {	273	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
266		275
267	my $guard = guard { $TICK_WATCHER->start };	276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
268	$TICK_WATCHER->stop;	279	$TICK_WATCHER->stop;
269	$guard	280	$guard
270	}	281	}
		282
		283	=item cf::async { BLOCK }
		284
		285	Currently the same as Coro::async_pool, meaning you cannot use
		286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		287	thing you are allowed to do is call C<prio> on it.
		288
		289	=cut
		290
		291	BEGIN { *async = \&Coro::async_pool }
271		292
272	=item cf::sync_job { BLOCK }	293	=item cf::sync_job { BLOCK }
273		294
274	The design of crossfire+ requires that the main coro ($Coro::main) is	295	The design of crossfire+ requires that the main coro ($Coro::main) is
275	always able to handle events or runnable, as crossfire+ is only partly	296	always able to handle events or runnable, as crossfire+ is only partly
…		…
294	my $freeze_guard = freeze_mainloop;	315	my $freeze_guard = freeze_mainloop;
295		316
296	my $busy = 1;	317	my $busy = 1;
297	my @res;	318	my @res;
298		319
299	(Coro::async {	320	(async {
300	@res = eval { $job->() };	321	@res = eval { $job->() };
301	warn $@ if $@;	322	warn $@ if $@;
302	undef $busy;	323	undef $busy;
303	})->prio (Coro::PRIO_MAX);	324	})->prio (Coro::PRIO_MAX);
304		325
305	while ($busy) {	326	while ($busy) {
306	Coro::cede_notself;	327	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	328	}
309		329
310	wantarray ? @res : $res[0]	330	wantarray ? @res : $res[0]
311	} else {	331	} else {
312	# we are in another coroutine, how wonderful, everything just works	332	# we are in another coroutine, how wonderful, everything just works
313		333
314	$job->()	334	$job->()
315	}	335	}
316	}	336	}
317		337
318	=item $coro = cf::coro { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
319		339
320	Creates and returns a new coro. This coro is automcatially being canceled	340	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	341	extension calling this is being unloaded.
322		342
323	=cut	343	=cut
324		344
325	sub coro(&) {	345	sub async_ext(&) {
326	my $cb = shift;	346	my $cb = shift;
327		347
328	my $coro = &cf::async ($cb);	348	my $coro = &Coro::async ($cb);
329		349
330	$coro->on_destroy (sub {	350	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	351	delete $EXT_CORO{$coro+0};
332	});	352	});
333	$EXT_CORO{$coro+0} = $coro;	353	$EXT_CORO{$coro+0} = $coro;
…		…
339	my $runtime = cf::localdir . "/runtime";	359	my $runtime = cf::localdir . "/runtime";
340		360
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
342	or return;	362	or return;
343		363
		364	my $value = $cf::RUNTIME + 90 + 10;
344	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	365	# 10 is the runtime save interval, for a monotonic clock
		366	# 60 allows for the watchdog to kill the server.
		367
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0	368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;	369	and return;
347		370
		371	# always fsync - this file is important
348	aio_fsync $fh	372	aio_fsync $fh
349	and return;	373	and return;
350		374
351	close $fh	375	close $fh
352	or return;	376	or return;
…		…
358	}	382	}
359		383
360	=back	384	=back
361		385
362	=cut	386	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483		387
484	#############################################################################	388	#############################################################################
485		389
486	=head2 ATTACHABLE OBJECTS	390	=head2 ATTACHABLE OBJECTS
487		391
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	517	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	518	our @CB_MAP = ();
615		519
616	my %attachment;	520	my %attachment;
617		521
		522	sub cf::attachable::thawer_merge {
		523	# simply override everything except _meta
		524	local $_[0]{_meta};
		525	%{$_[0]} = %{$_[1]};
		526	}
		527
618	sub _attach_cb($$$$) {	528	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	529	my ($registry, $event, $prio, $cb) = @_;
620		530
621	use sort 'stable';	531	use sort 'stable';
622		532
…		…
793	# object support	703	# object support
794		704
795	sub reattach {	705	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	706	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	707	my ($obj) = @_;
		708
		709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		710
799	my $registry = $obj->registry;	711	my $registry = $obj->registry;
800		712
801	@$registry = ();	713	@$registry = ();
802		714
…		…
849	$filename, length $$rdata, scalar @$objs;	761	$filename, length $$rdata, scalar @$objs;
850		762
851	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
853	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
854	aio_fsync $fh;	766	aio_fsync $fh if $cf::USE_FSYNC;
855	close $fh;	767	close $fh;
856		768
857	if (@$objs) {	769	if (@$objs) {
858	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
859	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
860	my $data = Storable::nfreeze { version => 1, objs => $objs };	772	my $data = Storable::nfreeze { version => 1, objs => $objs };
861	aio_write $fh, 0, (length $data), $data, 0;	773	aio_write $fh, 0, (length $data), $data, 0;
862	aio_fsync $fh;	774	aio_fsync $fh if $cf::USE_FSYNC;
863	close $fh;	775	close $fh;
864	aio_rename "$filename.pst~", "$filename.pst";	776	aio_rename "$filename.pst~", "$filename.pst";
865	}	777	}
866	} else {	778	} else {
867	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
…		…
934	=cut	846	=cut
935		847
936	sub register_extcmd {	848	sub register_extcmd {
937	my ($name, $cb) = @_;	849	my ($name, $cb) = @_;
938		850
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	851	$EXTCMD{$name} = $cb;
943	}	852	}
944		853
945	cf::player->attach (	854	cf::player->attach (
946	on_command => sub {	855	on_command => sub {
947	my ($pl, $name, $params) = @_;	856	my ($pl, $name, $params) = @_;
…		…
960		869
961	my $msg = eval { from_json $buf };	870	my $msg = eval { from_json $buf };
962		871
963	if (ref $msg) {	872	if (ref $msg) {
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	874	if (my %reply = $cb->($pl, $msg)) {
966	$pl->ext_reply ($msg->{msgid}, %reply);	875	$pl->ext_reply ($msg->{msgid}, %reply);
967	}	876	}
968	}	877	}
969	} else {	878	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
972		881
973	cf::override;	882	cf::override;
974	},	883	},
975	);	884	);
976		885
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	886	sub load_extension {
984	my ($path) = @_;	887	my ($path) = @_;
985		888
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;	890	my $base = $1;
988	my $pkg = $1;	891	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	892	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	893	$pkg = "ext::$pkg";
991		894
992	warn "loading '$path' into '$pkg'\n";	895	warn "... loading '$path' into '$pkg'\n";
993		896
994	open my $fh, "<:utf8", $path	897	open my $fh, "<:utf8", $path
995	or die "$path: $!";	898	or die "$path: $!";
996		899
997	my $source =	900	my $source =
998	"package $pkg; use strict; use utf8;\n"	901	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	902	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	903	. (do { local $/; <$fh> })
1001	. "\n};\n1";	904	. "\n};\n1";
1002		905
1003	eval $source	906	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	907	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	908	: "extension disabled.\n";
1006		909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1007	push @exts, $pkg;	910	warn $@;
1008	$ext_pkg{$base} = $pkg;	911	warn "mandatory extension failed to load, exiting.\n";
1009		912	exit 1;
1010	# no strict 'refs';	913	}
1011	# @{"$pkg\::ISA"} = ext::;	914	die $@;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	915	}
1026		916
1027	# remove commands	917	push @EXTS, $pkg;
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}	918	}
1052		919
1053	sub load_extensions {	920	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {	921	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;	922	next unless -r $ext;
…		…
1059	} or warn "$ext not loaded: $@";	926	} or warn "$ext not loaded: $@";
1060	}	927	}
1061	}	928	}
1062		929
1063	#############################################################################	930	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100		931
1101	=head2 CORE EXTENSIONS	932	=head2 CORE EXTENSIONS
1102		933
1103	Functions and methods that extend core crossfire objects.	934	Functions and methods that extend core crossfire objects.
1104		935
		936	=cut
		937
		938	package cf::player;
		939
		940	use Coro::AIO;
		941
1105	=head3 cf::player	942	=head3 cf::player
1106		943
1107	=over 4	944	=over 4
1108		945
1109	=item cf::player::exists $login	946	=item cf::player::find $login
1110		947
1111	Returns true when the given account exists.	948	Returns the given player object, loading it if necessary (might block).
1112		949
1113	=cut	950	=cut
1114		951
1115	sub cf::player::exists($) {	952	sub playerdir($) {
1116	cf::player::find $_[0]	953	cf::localdir
1117	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	954	. "/"
		955	. cf::playerdir
		956	. "/"
		957	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		958	}
		959
		960	sub path($) {
		961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		962
		963	(playerdir $login) . "/$login.pl"
		964	}
		965
		966	sub find_active($) {
		967	$cf::PLAYER{$_[0]}
		968	and $cf::PLAYER{$_[0]}->active
		969	and $cf::PLAYER{$_[0]}
		970	}
		971
		972	sub exists($) {
		973	my ($login) = @_;
		974
		975	$cf::PLAYER{$login}
		976	or cf::sync_job { !aio_stat path $login }
		977	}
		978
		979	sub find($) {
		980	return $cf::PLAYER{$_[0]} || do {
		981	my $login = $_[0];
		982
		983	my $guard = cf::lock_acquire "user_find:$login";
		984
		985	$cf::PLAYER{$_[0]} || do {
		986	my $pl = load_pl path $login
		987	or return;
		988	$cf::PLAYER{$login} = $pl
		989	}
		990	}
		991	}
		992
		993	sub save($) {
		994	my ($pl) = @_;
		995
		996	return if $pl->{deny_save};
		997
		998	my $path = path $pl;
		999	my $guard = cf::lock_acquire "user_save:$path";
		1000
		1001	return if $pl->{deny_save};
		1002
		1003	aio_mkdir playerdir $pl, 0770;
		1004	$pl->{last_save} = $cf::RUNTIME;
		1005
		1006	$pl->save_pl ($path);
		1007	Coro::cede;
		1008	}
		1009
		1010	sub new($) {
		1011	my ($login) = @_;
		1012
		1013	my $self = create;
		1014
		1015	$self->ob->name ($login);
		1016	$self->{deny_save} = 1;
		1017
		1018	$cf::PLAYER{$login} = $self;
		1019
		1020	$self
		1021	}
		1022
		1023	=item $pl->quit_character
		1024
		1025	Nukes the player without looking back. If logged in, the connection will
		1026	be destroyed. May block for a long time.
		1027
		1028	=cut
		1029
		1030	sub quit_character {
		1031	my ($pl) = @_;
		1032
		1033	$pl->{deny_save} = 1;
		1034	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1035
		1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1037	$pl->deactivate;
		1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1039	$pl->ns->destroy if $pl->ns;
		1040
		1041	my $path = playerdir $pl;
		1042	my $temp = "$path~$cf::RUNTIME~deleting~";
		1043	aio_rename $path, $temp;
		1044	delete $cf::PLAYER{$pl->ob->name};
		1045	$pl->destroy;
		1046	IO::AIO::aio_rmtree $temp;
		1047	}
		1048
		1049	=item cf::player::list_logins
		1050
		1051	Returns am arrayref of all valid playernames in the system, can take a
		1052	while and may block, so not sync_job-capable, ever.
		1053
		1054	=cut
		1055
		1056	sub list_logins {
		1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1058	or return [];
		1059
		1060	my @logins;
		1061
		1062	for my $login (@$dirs) {
		1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1064	aio_read $fh, 0, 512, my $buf, 0 or next;
		1065	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1066
		1067	utf8::decode $login;
		1068	push @logins, $login;
		1069	}
		1070
		1071	\@logins
		1072	}
		1073
		1074	=item $player->maps
		1075
		1076	Returns an arrayref of map paths that are private for this
		1077	player. May block.
		1078
		1079	=cut
		1080
		1081	sub maps($) {
		1082	my ($pl) = @_;
		1083
		1084	$pl = ref $pl ? $pl->ob->name : $pl;
		1085
		1086	my $files = aio_readdir playerdir $pl
		1087	or return;
		1088
		1089	my @paths;
		1090
		1091	for (@$files) {
		1092	utf8::decode $_;
		1093	next if /\.(?:pl|pst)$/;
		1094	next unless /^$PATH_SEP/o;
		1095
		1096	push @paths, cf::map::normalise "~$pl/$_";
		1097	}
		1098
		1099	\@paths
1118	}	1100	}
1119		1101
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)	1102	=item $player->ext_reply ($msgid, $msgtype, %msg)
1121		1103
1122	Sends an ext reply to the player.	1104	Sends an ext reply to the player.
1123		1105
1124	=cut	1106	=cut
1125		1107
1126	sub cf::player::ext_reply($$$%) {	1108	sub ext_reply($$$%) {
1127	my ($self, $id, %msg) = @_;	1109	my ($self, $id, %msg) = @_;
1128		1110
1129	$msg{msgid} = $id;	1111	$msg{msgid} = $id;
1130		1112
1131	$self->send ("ext " . to_json \%msg);	1113	$self->send ("ext " . cf::to_json \%msg);
1132	}	1114	}
		1115
		1116	package cf;
1133		1117
1134	=back	1118	=back
1135		1119
1136		1120
1137	=head3 cf::map	1121	=head3 cf::map
…		…
1143	package cf::map;	1127	package cf::map;
1144		1128
1145	use Fcntl;	1129	use Fcntl;
1146	use Coro::AIO;	1130	use Coro::AIO;
1147		1131
		1132	use overload
		1133	'""' => \&as_string,
		1134	fallback => 1;
		1135
1148	our $MAX_RESET = 3600;	1136	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1137	our $DEFAULT_RESET = 3000;
1150		1138
1151	sub generate_random_map {	1139	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1140	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1141	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1142	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1146	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1147	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1148	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1149	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1150	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1151	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1152	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(cf::region::find $rmp->{region})	1153	(cf::region::find $rmp->{region}), $rmp->{custom}
		1154	)
		1155	}
		1156
		1157	=item cf::map->register ($regex, $prio)
		1158
		1159	Register a handler for the map path matching the given regex at the
		1160	givne priority (higher is better, built-in handlers have priority 0, the
		1161	default).
		1162
		1163	=cut
		1164
		1165	sub register {
		1166	my (undef, $regex, $prio) = @_;
		1167	my $pkg = caller;
		1168
		1169	no strict;
		1170	push @{"$pkg\::ISA"}, __PACKAGE__;
		1171
		1172	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1173	}
		1174
		1175	# also paths starting with '/'
		1176	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1177
		1178	sub thawer_merge {
		1179	my ($self, $merge) = @_;
		1180
		1181	# we have to keep some variables in memory intact
		1182	local $self->{path};
		1183	local $self->{load_path};
		1184	local $self->{deny_save};
		1185	local $self->{deny_reset};
		1186
		1187	$self->SUPER::thawer_merge ($merge);
		1188	}
		1189
		1190	sub normalise {
		1191	my ($path, $base) = @_;
		1192
		1193	$path = "$path"; # make sure its a string
		1194
		1195	$path =~ s/\.map$//;
		1196
		1197	# map plan:
		1198	#
		1199	# /! non-realised random map exit (special hack!)
		1200	# {... are special paths that are not being touched
		1201	# ?xxx/... are special absolute paths
		1202	# ?random/... random maps
		1203	# /... normal maps
		1204	# ~user/... per-player map of a specific user
		1205
		1206	$path =~ s/$PATH_SEP/\//go;
		1207
		1208	# treat it as relative path if it starts with
		1209	# something that looks reasonable
		1210	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1211	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1212
		1213	$base =~ s{[^/]+/?$}{};
		1214	$path = "$base/$path";
		1215	}
		1216
		1217	for ($path) {
		1218	redo if s{//}{/};
		1219	redo if s{/\.?/}{/};
		1220	redo if s{/[^/]+/\.\./}{/};
		1221	}
		1222
		1223	$path
		1224	}
		1225
		1226	sub new_from_path {
		1227	my (undef, $path, $base) = @_;
		1228
		1229	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1230
		1231	$path = normalise $path, $base;
		1232
		1233	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1234	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1235	my $self = bless cf::map::new, $pkg;
		1236	$self->{path} = $path; $self->path ($path);
		1237	$self->init; # pass $1 etc.
		1238	return $self;
		1239	}
		1240	}
		1241
		1242	Carp::carp "unable to resolve path '$path' (base '$base').";
		1243	()
		1244	}
		1245
		1246	sub init {
		1247	my ($self) = @_;
		1248
		1249	$self
		1250	}
		1251
		1252	sub as_string {
		1253	my ($self) = @_;
		1254
		1255	"$self->{path}"
		1256	}
		1257
		1258	# the displayed name, this is a one way mapping
		1259	sub visible_name {
		1260	&as_string
		1261	}
		1262
		1263	# the original (read-only) location
		1264	sub load_path {
		1265	my ($self) = @_;
		1266
		1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1268	}
		1269
		1270	# the temporary/swap location
		1271	sub save_path {
		1272	my ($self) = @_;
		1273
		1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1276	}
		1277
		1278	# the unique path, undef == no special unique path
		1279	sub uniq_path {
		1280	my ($self) = @_;
		1281
		1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1168	}	1284	}
1169		1285
1170	# and all this just because we cannot iterate over	1286	# and all this just because we cannot iterate over
1171	# all maps in C++...	1287	# all maps in C++...
1172	sub change_all_map_light {	1288	sub change_all_map_light {
…		…
1174		1290
1175	$_->change_map_light ($change)	1291	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1292	for grep $_->outdoor, values %cf::MAP;
1177	}	1293	}
1178		1294
		1295	sub unlink_save {
		1296	my ($self) = @_;
		1297
		1298	utf8::encode (my $save = $self->save_path);
		1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1301	}
		1302
1179	sub try_load_header($) {	1303	sub load_header_from($) {
1180	my ($path) = @_;	1304	my ($self, $path) = @_;
1181		1305
1182	utf8::encode $path;	1306	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1307	#aio_open $path, O_RDONLY, 0
		1308	# or return;
		1309
		1310	$self->_load_header ($path)
1184	or return;	1311	or return;
1185		1312
1186	my $map = cf::map::new	1313	$self->{load_path} = $path;
		1314
		1315	1
		1316	}
		1317
		1318	sub load_header_orig {
		1319	my ($self) = @_;
		1320
		1321	$self->load_header_from ($self->load_path)
		1322	}
		1323
		1324	sub load_header_temp {
		1325	my ($self) = @_;
		1326
		1327	$self->load_header_from ($self->save_path)
		1328	}
		1329
		1330	sub prepare_temp {
		1331	my ($self) = @_;
		1332
		1333	$self->last_access ((delete $self->{last_access})
		1334	|| $cf::RUNTIME); #d#
		1335	# safety
		1336	$self->{instantiate_time} = $cf::RUNTIME
		1337	if $self->{instantiate_time} > $cf::RUNTIME;
		1338	}
		1339
		1340	sub prepare_orig {
		1341	my ($self) = @_;
		1342
		1343	$self->{load_original} = 1;
		1344	$self->{instantiate_time} = $cf::RUNTIME;
		1345	$self->last_access ($cf::RUNTIME);
		1346	$self->instantiate;
		1347	}
		1348
		1349	sub load_header {
		1350	my ($self) = @_;
		1351
		1352	if ($self->load_header_temp) {
		1353	$self->prepare_temp;
		1354	} else {
		1355	$self->load_header_orig
1187	or return;	1356	or return;
		1357	$self->prepare_orig;
		1358	}
1188		1359
1189	$map->load_header ($path)	1360	1
1190	or return;
1191
1192	$map->{load_path} = $path;
1193
1194	$map
1195	}	1361	}
1196		1362
1197	sub find;	1363	sub find;
1198	sub find {	1364	sub find {
1199	my ($path, $origin) = @_;	1365	my ($path, $origin) = @_;
1200		1366
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1367	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1368
1206	cf::lock_wait "map_find:$key";	1369	cf::lock_wait "map_find:$path";
1207		1370
1208	$cf::MAP{$key} || do {	1371	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1372	my $guard = cf::lock_acquire "map_find:$path";
1210		1373	my $map = new_from_path cf::map $path
1211	# do it the slow way
1212	my $map = try_load_header $path->save_path;
1213
1214	if ($map) {
1215	$map->last_access ((delete $map->{last_access})
1216	|| $cf::RUNTIME); #d#
1217	# safety
1218	$map->{instantiate_time} = $cf::RUNTIME
1219	if $map->{instantiate_time} > $cf::RUNTIME;
1220	} else {
1221	if (my $rmp = $path->random_map_params) {
1222	$map = generate_random_map $key, $rmp;
1223	} else {
1224	$map = try_load_header $path->load_path;
1225	}
1226
1227	$map or return;	1374	or return;
1228		1375
1229	$map->{load_original} = 1;
1230	$map->{instantiate_time} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232	$map->instantiate;
1233
1234	# per-player maps become, after loading, normal maps
1235	$map->per_player (0) if $path->{user_rel};
1236	}
1237
1238	$map->path ($key);
1239	$map->{path} = $path;
1240	$map->{last_save} = $cf::RUNTIME;	1376	$map->{last_save} = $cf::RUNTIME;
1241		1377
1242	if ($map->should_reset) {	1378	$map->load_header
		1379	or return;
		1380
		1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1382	# doing this can freeze the server in a sync job, obviously
		1383	#$cf::WAIT_FOR_TICK->wait;
1243	$map->reset;	1384	$map->reset;
1244	undef $guard;	1385	undef $guard;
1245	$map = find $path	1386	return find $path;
1246	or return;
1247	}	1387	}
1248		1388
1249	$cf::MAP{$key} = $map	1389	$cf::MAP{$path} = $map
1250	}	1390	}
1251	}	1391	}
		1392
		1393	sub pre_load { }
		1394	sub post_load { }
1252		1395
1253	sub load {	1396	sub load {
1254	my ($self) = @_;	1397	my ($self) = @_;
1255		1398
		1399	local $self->{deny_reset} = 1; # loading can take a long time
		1400
1256	my $path = $self->{path};	1401	my $path = $self->{path};
1257	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1402	my $guard = cf::lock_acquire "map_load:$path";
1258		1403
1259	return if $self->in_memory != cf::MAP_SWAPPED;	1404	return if $self->in_memory != cf::MAP_SWAPPED;
1260		1405
1261	$self->in_memory (cf::MAP_LOADING);	1406	$self->in_memory (cf::MAP_LOADING);
1262		1407
1263	$self->alloc;	1408	$self->alloc;
		1409
		1410	$self->pre_load;
		1411
1264	$self->load_objects ($self->{load_path}, 1)	1412	$self->_load_objects ($self->{load_path}, 1)
1265	or return;	1413	or return;
1266		1414
1267	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1268	if delete $self->{load_original};	1416	if delete $self->{load_original};
1269		1417
1270	if (my $uniq = $path->uniq_path) {	1418	if (my $uniq = $self->uniq_path) {
1271	utf8::encode $uniq;	1419	utf8::encode $uniq;
1272	if (aio_open $uniq, O_RDONLY, 0) {	1420	if (aio_open $uniq, O_RDONLY, 0) {
1273	$self->clear_unique_items;	1421	$self->clear_unique_items;
1274	$self->load_objects ($uniq, 0);	1422	$self->_load_objects ($uniq, 0);
1275	}	1423	}
1276	}	1424	}
		1425
		1426	Coro::cede;
1277		1427
1278	# now do the right thing for maps	1428	# now do the right thing for maps
1279	$self->link_multipart_objects;	1429	$self->link_multipart_objects;
1280		1430
1281	if ($self->{path}->is_style_map) {	1431	unless ($self->{deny_activate}) {
1282	$self->{deny_save} = 1;	1432	$self->decay_objects;
1283	$self->{deny_reset} = 1;
1284	} else {
1285	$self->fix_auto_apply;	1433	$self->fix_auto_apply;
1286	$self->decay_objects;
1287	$self->update_buttons;	1434	$self->update_buttons;
		1435	Coro::cede;
1288	$self->set_darkness_map;	1436	$self->set_darkness_map;
1289	$self->difficulty ($self->estimate_difficulty)	1437	$self->difficulty ($self->estimate_difficulty)
1290	unless $self->difficulty;	1438	unless $self->difficulty;
		1439	Coro::cede;
1291	$self->activate;	1440	$self->activate;
1292	}	1441	}
1293		1442
		1443	$self->post_load;
		1444
1294	$self->in_memory (cf::MAP_IN_MEMORY);	1445	$self->in_memory (cf::MAP_IN_MEMORY);
		1446	}
		1447
		1448	sub customise_for {
		1449	my ($self, $ob) = @_;
		1450
		1451	return find "~" . $ob->name . "/" . $self->{path}
		1452	if $self->per_player;
		1453
		1454	$self
		1455	}
		1456
		1457	# find and load all maps in the 3x3 area around a map
		1458	sub load_diag {
		1459	my ($map) = @_;
		1460
		1461	my @diag; # diagonal neighbours
		1462
		1463	for (0 .. 3) {
		1464	my $neigh = $map->tile_path ($_)
		1465	or next;
		1466	$neigh = find $neigh, $map
		1467	or next;
		1468	$neigh->load;
		1469
		1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1472	}
		1473
		1474	for (@diag) {
		1475	my $neigh = find @$_
		1476	or next;
		1477	$neigh->load;
		1478	}
1295	}	1479	}
1296		1480
1297	sub find_sync {	1481	sub find_sync {
1298	my ($path, $origin) = @_;	1482	my ($path, $origin) = @_;
1299		1483
1300	cf::sync_job { cf::map::find $path, $origin }	1484	cf::sync_job { find $path, $origin }
1301	}	1485	}
1302		1486
1303	sub do_load_sync {	1487	sub do_load_sync {
1304	my ($map) = @_;	1488	my ($map) = @_;
1305		1489
1306	cf::sync_job { $map->load };	1490	cf::sync_job { $map->load };
1307	}	1491	}
1308		1492
		1493	our %MAP_PREFETCH;
		1494	our $MAP_PREFETCHER = undef;
		1495
		1496	sub find_async {
		1497	my ($path, $origin) = @_;
		1498
		1499	$path = normalise $path, $origin && $origin->{path};
		1500
		1501	if (my $map = $cf::MAP{$path}) {
		1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1503	}
		1504
		1505	undef $MAP_PREFETCH{$path};
		1506	$MAP_PREFETCHER ||= cf::async {
		1507	while (%MAP_PREFETCH) {
		1508	for my $path (keys %MAP_PREFETCH) {
		1509	my $map = find $path
		1510	or next;
		1511	$map->load;
		1512
		1513	delete $MAP_PREFETCH{$path};
		1514	}
		1515	}
		1516	undef $MAP_PREFETCHER;
		1517	};
		1518	$MAP_PREFETCHER->prio (6);
		1519
		1520	()
		1521	}
		1522
1309	sub save {	1523	sub save {
1310	my ($self) = @_;	1524	my ($self) = @_;
1311		1525
		1526	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1527
1312	$self->{last_save} = $cf::RUNTIME;	1528	$self->{last_save} = $cf::RUNTIME;
1313		1529
1314	return unless $self->dirty;	1530	return unless $self->dirty;
1315		1531
1316	my $save = $self->{path}->save_path; utf8::encode $save;	1532	my $save = $self->save_path; utf8::encode $save;
1317	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1533	my $uniq = $self->uniq_path; utf8::encode $uniq;
1318		1534
1319	$self->{load_path} = $save;	1535	$self->{load_path} = $save;
1320		1536
1321	return if $self->{deny_save};	1537	return if $self->{deny_save};
1322		1538
1323	local $self->{last_access} = $self->last_access;#d#	1539	local $self->{last_access} = $self->last_access;#d#
1324		1540
		1541	cf::async {
		1542	$_->contr->save for $self->players;
		1543	};
		1544
1325	if ($uniq) {	1545	if ($uniq) {
1326	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1327	$self->save_objects ($uniq, cf::IO_UNIQUES);	1547	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1328	} else {	1548	} else {
1329	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1330	}	1550	}
1331	}	1551	}
1332		1552
1333	sub swap_out {	1553	sub swap_out {
1334	my ($self) = @_;	1554	my ($self) = @_;
1335		1555
1336	# save first because save cedes	1556	# save first because save cedes
1337	$self->save;	1557	$self->save;
		1558
		1559	my $lock = cf::lock_acquire "map_data:" . $self->path;
1338		1560
1339	return if $self->players;	1561	return if $self->players;
1340	return if $self->in_memory != cf::MAP_IN_MEMORY;	1562	return if $self->in_memory != cf::MAP_IN_MEMORY;
1341	return if $self->{deny_save};	1563	return if $self->{deny_save};
1342		1564
…		…
1346		1568
1347	sub reset_at {	1569	sub reset_at {
1348	my ($self) = @_;	1570	my ($self) = @_;
1349		1571
1350	# TODO: safety, remove and allow resettable per-player maps	1572	# TODO: safety, remove and allow resettable per-player maps
1351	return 1e99 if $self->{path}{user_rel};	1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1352	return 1e99 if $self->{deny_reset};	1574	return 1e99 if $self->{deny_reset};
1353		1575
1354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1355	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1356		1578
…		…
1361	my ($self) = @_;	1583	my ($self) = @_;
1362		1584
1363	$self->reset_at <= $cf::RUNTIME	1585	$self->reset_at <= $cf::RUNTIME
1364	}	1586	}
1365		1587
1366	sub unlink_save {
1367	my ($self) = @_;
1368
1369	utf8::encode (my $save = $self->{path}->save_path);
1370	aioreq_pri 3; IO::AIO::aio_unlink $save;
1371	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1372	}
1373
1374	sub rename {
1375	my ($self, $new_path) = @_;
1376
1377	$self->unlink_save;
1378
1379	delete $cf::MAP{$self->path};
1380	$self->{path} = new cf::path $new_path;
1381	$self->path ($self->{path}->as_string);
1382	$cf::MAP{$self->path} = $self;
1383
1384	$self->save;
1385	}
1386
1387	sub reset {	1588	sub reset {
1388	my ($self) = @_;	1589	my ($self) = @_;
1389		1590
		1591	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1592
1390	return if $self->players;	1593	return if $self->players;
1391	return if $self->{path}{user_rel};#d#	1594	return if $self->isa ("ext::map_per_player");#d#
1392		1595
1393	warn "resetting map ", $self->path;#d#	1596	warn "resetting map ", $self->path;#d#
1394		1597
		1598	$self->in_memory (cf::MAP_SWAPPED);
		1599
		1600	# need to save uniques path
		1601	unless ($self->{deny_save}) {
		1602	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1603
		1604	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1605	if $uniq;
		1606	}
		1607
1395	delete $cf::MAP{$self->path};	1608	delete $cf::MAP{$self->path};
		1609
		1610	$self->clear;
1396		1611
1397	$_->clear_links_to ($self) for values %cf::MAP;	1612	$_->clear_links_to ($self) for values %cf::MAP;
1398		1613
1399	$self->unlink_save;	1614	$self->unlink_save;
1400	$self->destroy;	1615	$self->destroy;
…		…
1403	my $nuke_counter = "aaaa";	1618	my $nuke_counter = "aaaa";
1404		1619
1405	sub nuke {	1620	sub nuke {
1406	my ($self) = @_;	1621	my ($self) = @_;
1407		1622
		1623	delete $cf::MAP{$self->path};
		1624
		1625	$self->unlink_save;
		1626
		1627	bless $self, "cf::map";
		1628	delete $self->{deny_reset};
1408	$self->{deny_save} = 1;	1629	$self->{deny_save} = 1;
1409	$self->reset_timeout (1);	1630	$self->reset_timeout (1);
1410	$self->rename ("{nuke}/" . ($nuke_counter++));	1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1632
		1633	$cf::MAP{$self->path} = $self;
		1634
1411	$self->reset; # polite request, might not happen	1635	$self->reset; # polite request, might not happen
1412	}	1636	}
1413		1637
1414	sub customise_for {	1638	=item cf::map::unique_maps
1415	my ($map, $ob) = @_;
1416		1639
1417	if ($map->per_player) {	1640	Returns an arrayref of paths of all shared maps that have
1418	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1641	instantiated unique items. May block.
1419	}
1420		1642
1421	$map	1643	=cut
1422	}
1423		1644
1424	sub emergency_save {	1645	sub unique_maps() {
1425	my $freeze_guard = cf::freeze_mainloop;	1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1647	or return;
1426		1648
1427	warn "enter emergency map save\n";	1649	my @paths;
1428		1650
1429	cf::sync_job {	1651	for (@$files) {
1430	warn "begin emergency map save\n";	1652	utf8::decode $_;
1431	$_->save for values %cf::MAP;	1653	next if /\.pst$/;
		1654	next unless /^$PATH_SEP/o;
		1655
		1656	push @paths, cf::map::normalise $_;
1432	};	1657	}
1433		1658
1434	warn "end emergency map save\n";	1659	\@paths
1435	}	1660	}
1436		1661
1437	package cf;	1662	package cf;
1438		1663
1439	=back	1664	=back
1440		1665
		1666	=head3 cf::object
		1667
		1668	=cut
		1669
		1670	package cf::object;
		1671
		1672	=over 4
		1673
		1674	=item $ob->inv_recursive
		1675
		1676	Returns the inventory of the object _and_ their inventories, recursively.
		1677
		1678	=cut
		1679
		1680	sub inv_recursive_;
		1681	sub inv_recursive_ {
		1682	map { $_, inv_recursive_ $_->inv } @_
		1683	}
		1684
		1685	sub inv_recursive {
		1686	inv_recursive_ inv $_[0]
		1687	}
		1688
		1689	package cf;
		1690
		1691	=back
1441		1692
1442	=head3 cf::object::player	1693	=head3 cf::object::player
1443		1694
1444	=over 4	1695	=over 4
1445		1696
…		…
1485		1736
1486	=item $player_object->enter_link	1737	=item $player_object->enter_link
1487		1738
1488	Freezes the player and moves him/her to a special map (C<{link}>).	1739	Freezes the player and moves him/her to a special map (C<{link}>).
1489		1740
1490	The player should be reaosnably safe there for short amounts of time. You	1741	The player should be reasonably safe there for short amounts of time. You
1491	I<MUST> call C<leave_link> as soon as possible, though.	1742	I<MUST> call C<leave_link> as soon as possible, though.
1492		1743
		1744	Will never block.
		1745
1493	=item $player_object->leave_link ($map, $x, $y)	1746	=item $player_object->leave_link ($map, $x, $y)
1494		1747
1495	Moves the player out of the specila link map onto the given map. If the	1748	Moves the player out of the special C<{link}> map onto the specified
1496	map is not valid (or omitted), the player will be moved back to the	1749	map. If the map is not valid (or omitted), the player will be moved back
1497	location he/she was before the call to C<enter_link>, or, if that fails,	1750	to the location he/she was before the call to C<enter_link>, or, if that
1498	to the emergency map position.	1751	fails, to the emergency map position.
1499		1752
1500	Might block.	1753	Might block.
1501		1754
1502	=cut	1755	=cut
		1756
		1757	sub link_map {
		1758	unless ($LINK_MAP) {
		1759	$LINK_MAP = cf::map::find "{link}"
		1760	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1761	$LINK_MAP->load;
		1762	}
		1763
		1764	$LINK_MAP
		1765	}
1503		1766
1504	sub cf::object::player::enter_link {	1767	sub cf::object::player::enter_link {
1505	my ($self) = @_;	1768	my ($self) = @_;
1506		1769
1507	$self->deactivate_recursive;	1770	$self->deactivate_recursive;
1508		1771
1509	return if $self->map == $LINK_MAP;	1772	return if UNIVERSAL::isa $self->map, "ext::map_link";
1510		1773
1511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1512	if $self->map;	1775	if $self->map;
1513		1776
1514	$self->enter_map ($LINK_MAP, 20, 20);	1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1515	}	1778	}
1516		1779
1517	sub cf::object::player::leave_link {	1780	sub cf::object::player::leave_link {
1518	my ($self, $map, $x, $y) = @_;	1781	my ($self, $map, $x, $y) = @_;
1519		1782
…		…
1537	# use -1 or undef as default coordinates, not 0, 0	1800	# use -1 or undef as default coordinates, not 0, 0
1538	($x, $y) = ($map->enter_x, $map->enter_y)	1801	($x, $y) = ($map->enter_x, $map->enter_y)
1539	if $x <=0 && $y <= 0;	1802	if $x <=0 && $y <= 0;
1540		1803
1541	$map->load;	1804	$map->load;
		1805	$map->load_diag;
1542		1806
		1807	return unless $self->contr->active;
1543	$self->activate_recursive;	1808	$self->activate_recursive;
		1809
		1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1544	$self->enter_map ($map, $x, $y);	1811	$self->enter_map ($map, $x, $y);
1545	}	1812	}
1546		1813
1547	cf::player->attach (	1814	cf::player->attach (
1548	on_logout => sub {	1815	on_logout => sub {
…		…
1560		1827
1561	# try to abort aborted map switching on player login :)	1828	# try to abort aborted map switching on player login :)
1562	# should happen only on crashes	1829	# should happen only on crashes
1563	if ($pl->ob->{_link_pos}) {	1830	if ($pl->ob->{_link_pos}) {
1564	$pl->ob->enter_link;	1831	$pl->ob->enter_link;
1565	cf::async {	1832	(async {
		1833	$pl->ob->reply (undef,
		1834	"There was an internal problem at your last logout, "
		1835	. "the server will try to bring you to your intended destination in a second.",
		1836	cf::NDI_RED);
1566	# we need this sleep as the login has a concurrent enter_exit running	1837	# we need this sleep as the login has a concurrent enter_exit running
1567	# and this sleep increases chances of the player not ending up in scorn	1838	# and this sleep increases chances of the player not ending up in scorn
1568	Coro::Timer::sleep 1;	1839	Coro::Timer::sleep 1;
1569	$pl->ob->leave_link;	1840	$pl->ob->leave_link;
1570	};	1841	})->prio (2);
1571	}	1842	}
1572	},	1843	},
1573	);	1844	);
1574		1845
1575	=item $player_object->goto_map ($path, $x, $y)	1846	=item $player_object->goto ($path, $x, $y)
1576		1847
1577	=cut	1848	=cut
1578		1849
1579	sub cf::object::player::goto_map {	1850	sub cf::object::player::goto {
1580	my ($self, $path, $x, $y) = @_;	1851	my ($self, $path, $x, $y) = @_;
1581		1852
1582	$self->enter_link;	1853	$self->enter_link;
1583		1854
1584	(cf::async {	1855	(async {
1585	$path = new cf::path $path;	1856	my $map = eval {
1586
1587	my $map = cf::map::find $path->as_string;	1857	my $map = cf::map::find $path;
1588	$map = $map->customise_for ($self) if $map;	1858	$map = $map->customise_for ($self) if $map;
1589		1859	$map
1590	# warn "entering ", $map->path, " at ($x, $y)\n"	1860	} or
1591	# if $map;
1592
1593	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1594		1862
1595	$self->leave_link ($map, $x, $y);	1863	$self->leave_link ($map, $x, $y);
1596	})->prio (1);	1864	})->prio (1);
1597	}	1865	}
1598		1866
…		…
1602		1870
1603	sub parse_random_map_params {	1871	sub parse_random_map_params {
1604	my ($spec) = @_;	1872	my ($spec) = @_;
1605		1873
1606	my $rmp = { # defaults	1874	my $rmp = { # defaults
1607	xsize => 10,	1875	xsize => (cf::rndm 15, 40),
1608	ysize => 10,	1876	ysize => (cf::rndm 15, 40),
		1877	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1878	#layout => string,
1609	};	1879	};
1610		1880
1611	for (split /\n/, $spec) {	1881	for (split /\n/, $spec) {
1612	my ($k, $v) = split /\s+/, $_, 2;	1882	my ($k, $v) = split /\s+/, $_, 2;
1613		1883
…		…
1617	$rmp	1887	$rmp
1618	}	1888	}
1619		1889
1620	sub prepare_random_map {	1890	sub prepare_random_map {
1621	my ($exit) = @_;	1891	my ($exit) = @_;
		1892
		1893	my $guard = cf::lock_acquire "exit_prepare:$exit";
1622		1894
1623	# all this does is basically replace the /! path by	1895	# all this does is basically replace the /! path by
1624	# a new random map path (?random/...) with a seed	1896	# a new random map path (?random/...) with a seed
1625	# that depends on the exit object	1897	# that depends on the exit object
1626		1898
1627	my $rmp = parse_random_map_params $exit->msg;	1899	my $rmp = parse_random_map_params $exit->msg;
1628		1900
1629	if ($exit->map) {	1901	if ($exit->map) {
1630	$rmp->{region} = $exit->map->region_name;	1902	$rmp->{region} = $exit->region->name;
1631	$rmp->{origin_map} = $exit->map->path;	1903	$rmp->{origin_map} = $exit->map->path;
1632	$rmp->{origin_x} = $exit->x;	1904	$rmp->{origin_x} = $exit->x;
1633	$rmp->{origin_y} = $exit->y;	1905	$rmp->{origin_y} = $exit->y;
1634	}	1906	}
1635		1907
1636	$rmp->{random_seed} ||= $exit->random_seed;	1908	$rmp->{random_seed} ||= $exit->random_seed;
1637		1909
1638	my $data = cf::to_json $rmp;	1910	my $data = cf::to_json $rmp;
1639	my $md5 = Digest::MD5::md5_hex $data;	1911	my $md5 = Digest::MD5::md5_hex $data;
		1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1640		1913
1641	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1642	aio_write $fh, 0, (length $data), $data, 0;	1915	aio_write $fh, 0, (length $data), $data, 0;
		1916	undef $fh;
		1917	aio_rename "$meta~", $meta;
1643		1918
1644	$exit->slaying ("?random/$md5");	1919	$exit->slaying ("?random/$md5");
1645	$exit->msg (undef);	1920	$exit->msg (undef);
1646	}	1921	}
1647	}	1922	}
…		…
1649	sub cf::object::player::enter_exit {	1924	sub cf::object::player::enter_exit {
1650	my ($self, $exit) = @_;	1925	my ($self, $exit) = @_;
1651		1926
1652	return unless $self->type == cf::PLAYER;	1927	return unless $self->type == cf::PLAYER;
1653		1928
		1929	if ($exit->slaying eq "/!") {
		1930	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1931	cf::sync_job { prepare_random_map $exit };
		1932	}
		1933
		1934	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1935	my $hp = $exit->stats->hp;
		1936	my $sp = $exit->stats->sp;
		1937
1654	$self->enter_link;	1938	$self->enter_link;
1655		1939
1656	(cf::async {	1940	(async {
1657	$self->deactivate_recursive; # just to be sure	1941	$self->deactivate_recursive; # just to be sure
1658	unless (eval {	1942	unless (eval {
1659	prepare_random_map $exit	1943	$self->goto ($slaying, $hp, $sp);
1660	if $exit->slaying eq "/!";
1661
1662	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1663	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1664		1944
1665	1;	1945	1;
1666	}) {	1946	}) {
1667	$self->message ("Something went wrong deep within the crossfire server. "	1947	$self->message ("Something went wrong deep within the crossfire server. "
1668	. "I'll try to bring you back to the map you were before. "	1948	. "I'll try to bring you back to the map you were before. "
1669	. "Please report this to the dungeon master",	1949	. "Please report this to the dungeon master!",
1670	cf::NDI_UNIQUE | cf::NDI_RED);	1950	cf::NDI_UNIQUE | cf::NDI_RED);
1671		1951
1672	warn "ERROR in enter_exit: $@";	1952	warn "ERROR in enter_exit: $@";
1673	$self->leave_link;	1953	$self->leave_link;
1674	}	1954	}
…		…
1729	# get handled first	2009	# get handled first
1730	my $queue = delete $ns->{query_queue}	2010	my $queue = delete $ns->{query_queue}
1731	or return; # be conservative, not sure how that can happen, but we saw a crash here	2011	or return; # be conservative, not sure how that can happen, but we saw a crash here
1732		2012
1733	(shift @$queue)->[1]->($msg);	2013	(shift @$queue)->[1]->($msg);
		2014	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1734		2015
1735	push @{ $ns->{query_queue} }, @$queue;	2016	push @{ $ns->{query_queue} }, @$queue;
1736		2017
1737	if (@{ $ns->{query_queue} } == @$queue) {	2018	if (@{ $ns->{query_queue} } == @$queue) {
1738	if (@$queue) {	2019	if (@$queue) {
…		…
1742	}	2023	}
1743	}	2024	}
1744	},	2025	},
1745	);	2026	);
1746		2027
1747	=item $client->coro (\&cb)	2028	=item $client->async (\&cb)
1748		2029
1749	Create a new coroutine, running the specified callback. The coroutine will	2030	Create a new coroutine, running the specified callback. The coroutine will
1750	be automatically cancelled when the client gets destroyed (e.g. on logout,	2031	be automatically cancelled when the client gets destroyed (e.g. on logout,
1751	or loss of connection).	2032	or loss of connection).
1752		2033
1753	=cut	2034	=cut
1754		2035
1755	sub cf::client::coro {	2036	sub cf::client::async {
1756	my ($self, $cb) = @_;	2037	my ($self, $cb) = @_;
1757		2038
1758	my $coro = &cf::async ($cb);	2039	my $coro = &Coro::async ($cb);
1759		2040
1760	$coro->on_destroy (sub {	2041	$coro->on_destroy (sub {
1761	delete $self->{_coro}{$coro+0};	2042	delete $self->{_coro}{$coro+0};
1762	});	2043	});
1763		2044
…		…
1899	The parameter C<$family> should best start with the name of the extension	2180	The parameter C<$family> should best start with the name of the extension
1900	using it, it should be unique.	2181	using it, it should be unique.
1901		2182
1902	=over 4	2183	=over 4
1903		2184
1904	=item $hashref = cf::db_get $family
1905
1906	Return a hashref for use by the extension C<$family>, which can be
1907	modified. After modifications, you have to call C<cf::db_dirty> or
1908	C<cf::db_sync>.
1909
1910	=item $value = cf::db_get $family => $key	2185	=item $value = cf::db_get $family => $key
1911		2186
1912	Returns a single value from the database	2187	Returns a single value from the database.
1913
1914	=item cf::db_put $family => $hashref
1915
1916	Stores the given family hashref into the database. Updates are delayed, if
1917	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1918		2188
1919	=item cf::db_put $family => $key => $value	2189	=item cf::db_put $family => $key => $value
1920		2190
1921	Stores the given C<$value> in the family hash. Updates are delayed, if you	2191	Stores the given C<$value> in the family.
1922	want the data to be synced to disk immediately, use C<cf::db_sync>.
1923
1924	=item cf::db_dirty
1925
1926	Marks the database as dirty, to be updated at a later time.
1927
1928	=item cf::db_sync
1929
1930	Immediately write the database to disk I<if it is dirty>.
1931		2192
1932	=cut	2193	=cut
1933		2194
1934	our $DB;	2195	our $DB;
1935		2196
1936	{	2197	sub db_init {
		2198	unless ($DB) {
		2199	$DB = BDB::db_create $DB_ENV;
		2200
		2201	cf::sync_job {
		2202	eval {
		2203	$DB->set_flags (BDB::CHKSUM);
		2204
		2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2207	cf::cleanup "db_open(db): $!" if $!;
		2208	};
		2209	cf::cleanup "db_open(db): $@" if $@;
		2210	};
		2211
1937	my $path = cf::localdir . "/database.pst";	2212	my $path = cf::localdir . "/database.pst";
		2213	if (stat $path) {
		2214	cf::sync_job {
		2215	my $pst = Storable::retrieve $path;
1938		2216
1939	sub db_load() {	2217	cf::db_put (board => data => $pst->{board});
1940	$DB = stat $path ? Storable::retrieve $path : { };	2218	cf::db_put (guildrules => data => $pst->{guildrules});
1941	}	2219	cf::db_put (rent => balance => $pst->{rent}{balance});
		2220	BDB::db_env_txn_checkpoint $DB_ENV;
1942		2221
1943	my $pid;	2222	unlink $path;
1944
1945	sub db_save() {
1946	waitpid $pid, 0 if $pid;
1947	if (0 == ($pid = fork)) {
1948	$DB->{_meta}{version} = 1;
1949	Storable::nstore $DB, "$path~";
1950	rename "$path~", $path;
1951	cf::_exit 0 if defined $pid;
1952	}	2223	};
1953	}
1954
1955	my $dirty;
1956
1957	sub db_sync() {
1958	db_save if $dirty;
1959	undef $dirty;
1960	}
1961
1962	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1963	db_sync;
1964	});
1965
1966	sub db_dirty() {
1967	$dirty = 1;
1968	$idle->start;
1969	}
1970
1971	sub db_get($;$) {
1972	@_ >= 2
1973	? $DB->{$_[0]}{$_[1]}
1974	: ($DB->{$_[0]} ||= { })
1975	}
1976
1977	sub db_put($$;$) {
1978	if (@_ >= 3) {
1979	$DB->{$_[0]}{$_[1]} = $_[2];
1980	} else {
1981	$DB->{$_[0]} = $_[1];
1982	}
1983	db_dirty;
1984	}
1985
1986	cf::global->attach (
1987	prio => 10000,
1988	on_cleanup => sub {
1989	db_sync;
1990	},	2224	}
1991	);	2225	}
		2226	}
		2227
		2228	sub db_get($$) {
		2229	my $key = "$_[0]/$_[1]";
		2230
		2231	cf::sync_job {
		2232	BDB::db_get $DB, undef, $key, my $data;
		2233
		2234	$! ? ()
		2235	: Compress::LZF::sthaw $data
		2236	}
		2237	}
		2238
		2239	sub db_put($$$) {
		2240	BDB::dbreq_pri 4;
		2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1992	}	2242	}
1993		2243
1994	#############################################################################	2244	#############################################################################
1995	# the server's main()	2245	# the server's init and main functions
		2246
		2247	sub init_resources {
		2248	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2249	or die "unable to load regions file\n";#d#
		2250	}
1996		2251
1997	sub cfg_load {	2252	sub cfg_load {
1998	open my $fh, "<:utf8", cf::confdir . "/config"	2253	open my $fh, "<:utf8", cf::confdir . "/config"
1999	or return;	2254	or return;
2000		2255
2001	local $/;	2256	local $/;
2002	*CFG = YAML::Syck::Load <$fh>;	2257	*CFG = YAML::Syck::Load <$fh>;
2003		2258
2004	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2005		2260
		2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2263
2006	if (exists $CFG{mlockall}) {	2264	if (exists $CFG{mlockall}) {
2007	eval {	2265	eval {
2008	$CFG{mlockall} ? &mlockall : &munlockall	2266	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2009	and die "WARNING: m(un)lockall failed: $!\n";	2267	and die "WARNING: m(un)lockall failed: $!\n";
2010	};	2268	};
2011	warn $@ if $@;	2269	warn $@ if $@;
2012	}	2270	}
		2271	}
		2272
		2273	sub init {
		2274	init_resources;
2013	}	2275	}
2014		2276
2015	sub main {	2277	sub main {
2016	# we must not ever block the main coroutine	2278	# we must not ever block the main coroutine
2017	local $Coro::idle = sub {	2279	local $Coro::idle = sub {
2018	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2280	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2019	(Coro::unblock_sub {	2281	(async {
2020	Event::one_event;	2282	Event::one_event;
2021	})->();	2283	})->prio (Coro::PRIO_MAX);
2022	};	2284	};
2023		2285
2024	cfg_load;	2286	cfg_load;
2025	db_load;	2287	db_init;
2026	load_extensions;	2288	load_extensions;
		2289
		2290	$TICK_WATCHER->start;
2027	Event::loop;	2291	Event::loop;
2028	}	2292	}
2029		2293
2030	#############################################################################	2294	#############################################################################
2031	# initialisation	2295	# initialisation and cleanup
		2296
		2297	# install some emergency cleanup handlers
		2298	BEGIN {
		2299	for my $signal (qw(INT HUP TERM)) {
		2300	Event->signal (
		2301	reentrant => 0,
		2302	data => WF_AUTOCANCEL,
		2303	signal => $signal,
		2304	prio => 0,
		2305	cb => sub {
		2306	cf::cleanup "SIG$signal";
		2307	},
		2308	);
		2309	}
		2310	}
		2311
		2312	sub emergency_save() {
		2313	my $freeze_guard = cf::freeze_mainloop;
		2314
		2315	warn "enter emergency perl save\n";
		2316
		2317	cf::sync_job {
		2318	# use a peculiar iteration method to avoid tripping on perl
		2319	# refcount bugs in for. also avoids problems with players
		2320	# and maps saved/destroyed asynchronously.
		2321	warn "begin emergency player save\n";
		2322	for my $login (keys %cf::PLAYER) {
		2323	my $pl = $cf::PLAYER{$login} or next;
		2324	$pl->valid or next;
		2325	$pl->save;
		2326	}
		2327	warn "end emergency player save\n";
		2328
		2329	warn "begin emergency map save\n";
		2330	for my $path (keys %cf::MAP) {
		2331	my $map = $cf::MAP{$path} or next;
		2332	$map->valid or next;
		2333	$map->save;
		2334	}
		2335	warn "end emergency map save\n";
		2336
		2337	warn "begin emergency database checkpoint\n";
		2338	BDB::db_env_txn_checkpoint $DB_ENV;
		2339	warn "end emergency database checkpoint\n";
		2340	};
		2341
		2342	warn "leave emergency perl save\n";
		2343	}
		2344
		2345	sub post_cleanup {
		2346	my ($make_core) = @_;
		2347
		2348	warn Carp::longmess "post_cleanup backtrace"
		2349	if $make_core;
		2350	}
2032		2351
2033	sub reload() {	2352	sub reload() {
2034	# can/must only be called in main	2353	# can/must only be called in main
2035	if ($Coro::current != $Coro::main) {	2354	if ($Coro::current != $Coro::main) {
2036	warn "can only reload from main coroutine\n";	2355	warn "can only reload from main coroutine";
2037	return;	2356	return;
2038	}	2357	}
2039		2358
2040	warn "reloading...";	2359	warn "reloading...";
2041		2360
2042	my $guard = freeze_mainloop;	2361	warn "entering sync_job";
		2362
		2363	cf::sync_job {
		2364	cf::write_runtime; # external watchdog should not bark
2043	cf::emergency_save;	2365	cf::emergency_save;
		2366	cf::write_runtime; # external watchdog should not bark
2044		2367
2045	eval {	2368	warn "syncing database to disk";
		2369	BDB::db_env_txn_checkpoint $DB_ENV;
		2370
2046	# if anything goes wrong in here, we should simply crash as we already saved	2371	# if anything goes wrong in here, we should simply crash as we already saved
2047		2372
2048	# cancel all watchers	2373	warn "cancelling all WF_AUTOCANCEL watchers";
2049	for (Event::all_watchers) {	2374	for (Event::all_watchers) {
2050	$_->cancel if $_->data & WF_AUTOCANCEL;	2375	$_->cancel if $_->data & WF_AUTOCANCEL;
2051	}	2376	}
2052		2377
		2378	warn "flushing outstanding aio requests";
		2379	for (;;) {
		2380	BDB::flush;
		2381	IO::AIO::flush;
		2382	Coro::cede;
		2383	last unless IO::AIO::nreqs || BDB::nreqs;
		2384	warn "iterate...";
		2385	}
		2386
2053	# cancel all extension coros	2387	warn "cancelling all extension coros";
2054	$_->cancel for values %EXT_CORO;	2388	$_->cancel for values %EXT_CORO;
2055	%EXT_CORO = ();	2389	%EXT_CORO = ();
2056		2390
2057	# unload all extensions	2391	warn "removing commands";
2058	for (@exts) {	2392	%COMMAND = ();
		2393
		2394	warn "removing ext commands";
		2395	%EXTCMD = ();
		2396
		2397	warn "unloading/nuking all extensions";
		2398	for my $pkg (@EXTS) {
2059	warn "unloading <$_>";	2399	warn "... unloading $pkg";
2060	unload_extension $_;	2400
		2401	if (my $cb = $pkg->can ("unload")) {
		2402	eval {
		2403	$cb->($pkg);
		2404	1
		2405	} or warn "$pkg unloaded, but with errors: $@";
2061	}	2406	}
2062		2407
		2408	warn "... nuking $pkg";
		2409	Symbol::delete_package $pkg;
		2410	}
		2411
2063	# unload all modules loaded from $LIBDIR	2412	warn "unloading all perl modules loaded from $LIBDIR";
2064	while (my ($k, $v) = each %INC) {	2413	while (my ($k, $v) = each %INC) {
2065	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2414	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2066		2415
2067	warn "removing <$k>";	2416	warn "... unloading $k";
2068	delete $INC{$k};	2417	delete $INC{$k};
2069		2418
2070	$k =~ s/\.pm$//;	2419	$k =~ s/\.pm$//;
2071	$k =~ s/\//::/g;	2420	$k =~ s/\//::/g;
2072		2421
…		…
2075	}	2424	}
2076		2425
2077	Symbol::delete_package $k;	2426	Symbol::delete_package $k;
2078	}	2427	}
2079		2428
2080	# sync database to disk
2081	cf::db_sync;
2082	IO::AIO::flush;
2083
2084	# get rid of safe::, as good as possible	2429	warn "getting rid of safe::, as good as possible";
2085	Symbol::delete_package "safe::$_"	2430	Symbol::delete_package "safe::$_"
2086	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2431	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2087		2432
2088	# remove register_script_function callbacks
2089	# TODO
2090
2091	# unload cf.pm "a bit"	2433	warn "unloading cf.pm \"a bit\"";
2092	delete $INC{"cf.pm"};	2434	delete $INC{"cf.pm"};
2093		2435
2094	# don't, removes xs symbols, too,	2436	# don't, removes xs symbols, too,
2095	# and global variables created in xs	2437	# and global variables created in xs
2096	#Symbol::delete_package __PACKAGE__;	2438	#Symbol::delete_package __PACKAGE__;
2097		2439
2098	# reload cf.pm	2440	warn "unload completed, starting to reload now";
		2441
2099	warn "reloading cf.pm";	2442	warn "reloading cf.pm";
2100	require cf;	2443	require cf;
2101	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2102		2445
2103	# load config and database again	2446	warn "loading config and database again";
2104	cf::cfg_load;	2447	cf::cfg_load;
2105	cf::db_load;
2106		2448
2107	# load extensions
2108	warn "load extensions";	2449	warn "loading extensions";
2109	cf::load_extensions;	2450	cf::load_extensions;
2110		2451
2111	# reattach attachments to objects	2452	warn "reattaching attachments to objects/players";
2112	warn "reattach";
2113	_global_reattach;	2453	_global_reattach;
2114	};	2454	warn "reattaching attachments to maps";
		2455	reattach $_ for values %MAP;
2115		2456
2116	if ($@) {	2457	warn "loading reloadable resources";
		2458	init_resources;
		2459
		2460	warn "leaving sync_job";
		2461
		2462	1
		2463	} or do {
2117	warn $@;	2464	warn $@;
2118	warn "error while reloading, exiting.";	2465	warn "error while reloading, exiting.";
2119	exit 1;	2466	exit 1;
2120	}	2467	};
2121		2468
2122	warn "reloaded successfully";	2469	warn "reloaded";
2123	};	2470	};
2124		2471
2125	#############################################################################	2472	our $RELOAD_WATCHER; # used only during reload
2126
2127	unless ($LINK_MAP) {
2128	$LINK_MAP = cf::map::new;
2129
2130	$LINK_MAP->width (41);
2131	$LINK_MAP->height (41);
2132	$LINK_MAP->alloc;
2133	$LINK_MAP->path ("{link}");
2134	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2135	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2136
2137	# dirty hack because... archetypes are not yet loaded
2138	Event->timer (
2139	after => 2,
2140	cb => sub {
2141	$_[0]->w->cancel;
2142
2143	# provide some exits "home"
2144	my $exit = cf::object::new "exit";
2145
2146	$exit->slaying ($EMERGENCY_POSITION->[0]);
2147	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2148	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2149
2150	$LINK_MAP->insert ($exit->clone, 19, 19);
2151	$LINK_MAP->insert ($exit->clone, 19, 20);
2152	$LINK_MAP->insert ($exit->clone, 19, 21);
2153	$LINK_MAP->insert ($exit->clone, 20, 19);
2154	$LINK_MAP->insert ($exit->clone, 20, 21);
2155	$LINK_MAP->insert ($exit->clone, 21, 19);
2156	$LINK_MAP->insert ($exit->clone, 21, 20);
2157	$LINK_MAP->insert ($exit->clone, 21, 21);
2158
2159	$exit->destroy;
2160	});
2161
2162	$LINK_MAP->{deny_save} = 1;
2163	$LINK_MAP->{deny_reset} = 1;
2164
2165	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2166	}
2167
2168	register "<global>", __PACKAGE__;
2169		2473
2170	register_command "reload" => sub {	2474	register_command "reload" => sub {
2171	my ($who, $arg) = @_;	2475	my ($who, $arg) = @_;
2172		2476
2173	if ($who->flag (FLAG_WIZ)) {	2477	if ($who->flag (FLAG_WIZ)) {
2174	$who->message ("start of reload.");	2478	$who->message ("reloading server.");
		2479
		2480	# doing reload synchronously and two reloads happen back-to-back,
		2481	# coro crashes during coro_state_free->destroy here.
		2482
		2483	$RELOAD_WATCHER ||= Event->timer (
		2484	reentrant => 0,
		2485	after => 0,
		2486	data => WF_AUTOCANCEL,
		2487	cb => sub {
2175	reload;	2488	reload;
2176	$who->message ("end of reload.");	2489	undef $RELOAD_WATCHER;
		2490	},
		2491	);
2177	}	2492	}
2178	};	2493	};
2179		2494
2180	unshift @INC, $LIBDIR;	2495	unshift @INC, $LIBDIR;
		2496
		2497	my $bug_warning = 0;
2181		2498
2182	$TICK_WATCHER = Event->timer (	2499	$TICK_WATCHER = Event->timer (
2183	reentrant => 0,	2500	reentrant => 0,
		2501	parked => 1,
2184	prio => 0,	2502	prio => 0,
2185	at => $NEXT_TICK || $TICK,	2503	at => $NEXT_TICK || $TICK,
2186	data => WF_AUTOCANCEL,	2504	data => WF_AUTOCANCEL,
2187	cb => sub {	2505	cb => sub {
		2506	if ($Coro::current != $Coro::main) {
		2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2508	unless ++$bug_warning > 10;
		2509	return;
		2510	}
		2511
		2512	$NOW = Event::time;
		2513
2188	cf::server_tick; # one server iteration	2514	cf::server_tick; # one server iteration
2189	$RUNTIME += $TICK;	2515	$RUNTIME += $TICK;
2190	$NEXT_TICK += $TICK;	2516	$NEXT_TICK += $TICK;
		2517
		2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2519	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2520	Coro::async_pool {
		2521	write_runtime
		2522	or warn "ERROR: unable to write runtime file: $!";
		2523	};
		2524	}
		2525
		2526	$WAIT_FOR_TICK->broadcast;
		2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2528
		2529	# my $AFTER = Event::time;
		2530	# warn $AFTER - $NOW;#d#
2191		2531
2192	# if we are delayed by four ticks or more, skip them all	2532	# if we are delayed by four ticks or more, skip them all
2193	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2194		2534
2195	$TICK_WATCHER->at ($NEXT_TICK);	2535	$TICK_WATCHER->at ($NEXT_TICK);
2196	$TICK_WATCHER->start;	2536	$TICK_WATCHER->start;
2197	},	2537	},
2198	);	2538	);
2199		2539
		2540	{
2200	IO::AIO::max_poll_time $TICK * 0.2;	2541	BDB::max_poll_time $TICK * 0.1;
2201		2542	$BDB_POLL_WATCHER = Event->io (
2202	Event->io (	2543	reentrant => 0,
2203	fd => IO::AIO::poll_fileno,	2544	fd => BDB::poll_fileno,
2204	poll => 'r',	2545	poll => 'r',
2205	prio => 5,	2546	prio => 0,
2206	data => WF_AUTOCANCEL,
2207	cb => \&IO::AIO::poll_cb,
2208	);
2209
2210	Event->timer (
2211	data => WF_AUTOCANCEL,	2547	data => WF_AUTOCANCEL,
2212	after => 0,	2548	cb => \&BDB::poll_cb,
2213	interval => 10,	2549	);
2214	cb => sub {	2550	BDB::min_parallel 8;
2215	(Coro::unblock_sub {	2551
2216	write_runtime	2552	BDB::set_sync_prepare {
2217	or warn "ERROR: unable to write runtime file: $!";	2553	my $status;
		2554	my $current = $Coro::current;
		2555	(
		2556	sub {
		2557	$status = $!;
		2558	$current->ready; undef $current;
		2559	},
		2560	sub {
		2561	Coro::schedule while defined $current;
		2562	$! = $status;
		2563	},
		2564	)
		2565	};
		2566
		2567	unless ($DB_ENV) {
		2568	$DB_ENV = BDB::db_env_create;
		2569
		2570	cf::sync_job {
		2571	eval {
		2572	BDB::db_env_open
		2573	$DB_ENV,
		2574	$BDB_ENV_DIR,
		2575	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2576	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2577	0666;
		2578
		2579	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2580
		2581	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2582	$DB_ENV->set_lk_detect;
		2583	};
		2584
		2585	cf::cleanup "db_env_open(db): $@" if $@;
2218	})->();	2586	};
2219	},	2587	}
2220	);	2588	}
		2589
		2590	{
		2591	IO::AIO::min_parallel 8;
		2592
		2593	undef $Coro::AIO::WATCHER;
		2594	IO::AIO::max_poll_time $TICK * 0.1;
		2595	$AIO_POLL_WATCHER = Event->io (
		2596	reentrant => 0,
		2597	data => WF_AUTOCANCEL,
		2598	fd => IO::AIO::poll_fileno,
		2599	poll => 'r',
		2600	prio => 6,
		2601	cb => \&IO::AIO::poll_cb,
		2602	);
		2603	}
2221		2604
2222	END { cf::emergency_save }	2605	END { cf::emergency_save }
2223		2606
2224	1	2607	1
2225		2608

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