ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.138 by root, Fri Jan 5 17:07:17 2007 UTC vs.
Revision 1.245 by root, Tue Apr 17 10:06:33 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.61 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
		21	use Coro::Storable;
19		22
		23	use BDB ();
		24	use Data::Dumper;
20	use Digest::MD5;	25	use Digest::MD5;
21	use Fcntl;	26	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	27	use YAML::Syck ();
		28	use IO::AIO 2.32 ();
24	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
25		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$Event::Eval = 1; # no idea why this is required, but it is
27		39
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
30		42
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		44
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		46
35	our %COMMAND = ();	47	our %COMMAND = ();
36	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
		49
		50	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	51	our %EXTCMD = ();
		52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
38		54
		55	our $RELOAD; # number of reloads so far
39	our @EVENT;	56	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
41		58
42	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	63	our $NEXT_TICK;
45	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
46		69
47	our %CFG;	70	our %CFG;
48		71
49	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	73	our $RUNTIME;
51		74
		75	our %PLAYER; # all users
52	our %MAP; # all maps	76	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	79	our $BDB_ENV_DIR = cf::localdir . "/db";
		80
		81	# used to convert map paths into valid unix filenames by replacing / by ∕
		82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		83
57	binmode STDOUT;	84	binmode STDOUT;
58	binmode STDERR;	85	binmode STDERR;
59		86
60	# read virtual server time, if available	87	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	94	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	95	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	96	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	97	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	98	mkdir $RANDOM_MAPS;
		99	mkdir $BDB_ENV_DIR;
72		100
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	101	our $EMERGENCY_POSITION;
		102
		103	sub cf::map::normalise;
76		104
77	#############################################################################	105	#############################################################################
78		106
79	=head2 GLOBAL VARIABLES	107	=head2 GLOBAL VARIABLES
80		108
…		…
104		132
105	=item %cf::CFG	133	=item %cf::CFG
106		134
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	135	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	136	from wherever your confdir points to.
		137
		138	=item cf::wait_for_tick, cf::wait_for_tick_begin
		139
		140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		141	returns directly I<after> the tick processing (and consequently, can only wake one process
		142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
109		143
110	=back	144	=back
111		145
112	=cut	146	=cut
113		147
…		…
117	utf8::encode $msg;	151	utf8::encode $msg;
118		152
119	$msg .= "\n"	153	$msg .= "\n"
120	unless $msg =~ /\n$/;	154	unless $msg =~ /\n$/;
121		155
122	LOG llevError, "cfperl: $msg";	156	LOG llevError, $msg;
123	};	157	};
124	}	158	}
125		159
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		179
146	$Event::DIED = sub {	180	$Event::DIED = sub {
147	warn "error in event callback: @_";	181	warn "error in event callback: @_";
148	};	182	};
149		183
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	184	=head2 UTILITY FUNCTIONS
155		185
156	=over 4	186	=over 4
157		187
158	=cut	188	=item dumpval $ref
159		189
		190	=cut
		191
		192	sub dumpval {
		193	eval {
		194	local $SIG{__DIE__};
		195	my $d;
		196	if (1) {
		197	$d = new Data::Dumper([$_[0]], ["*var"]);
		198	$d->Terse(1);
		199	$d->Indent(2);
		200	$d->Quotekeys(0);
		201	$d->Useqq(1);
		202	#$d->Bless(...);
		203	$d->Seen($_[1]) if @_ > 1;
		204	$d = $d->Dump();
		205	}
		206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		207	$d
		208	} || "[unable to dump $_[0]: '$@']";
		209	}
		210
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161		212
162	=item $ref = cf::from_json $json	213	=item $ref = cf::from_json $json
163		214
164	Converts a JSON string into the corresponding perl data structure.	215	Converts a JSON string into the corresponding perl data structure.
165		216
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	217	=item $json = cf::to_json $ref
174		218
175	Converts a perl data structure into its JSON representation.	219	Converts a perl data structure into its JSON representation.
176
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183		220
184	=item cf::lock_wait $string	221	=item cf::lock_wait $string
185		222
186	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
187		224
…		…
224	}	261	}
225		262
226	sub freeze_mainloop {	263	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
228		265
229	my $guard = Coro::guard { $TICK_WATCHER->start };	266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	};
230	$TICK_WATCHER->stop;	269	$TICK_WATCHER->stop;
231	$guard	270	$guard
232	}	271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
233		282
234	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
235		284
236	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
237	always able to handle events or runnable, as crossfire+ is only partly	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
256	my $freeze_guard = freeze_mainloop;	305	my $freeze_guard = freeze_mainloop;
257		306
258	my $busy = 1;	307	my $busy = 1;
259	my @res;	308	my @res;
260		309
261	(Coro::async_pool {	310	(async {
262	@res = eval { $job->() };	311	@res = eval { $job->() };
263	warn $@ if $@;	312	warn $@ if $@;
264	undef $busy;	313	undef $busy;
265	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
266		315
267	while ($busy) {	316	while ($busy) {
268	Coro::cede_notself;	317	Coro::cede or Event::one_event;
269	Event::one_event unless Coro::nready;
270	}	318	}
271		319
272	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
273	} else {	321	} else {
274	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
275		323
276	$job->()	324	$job->()
277	}	325	}
278	}	326	}
279		327
280	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
281		329
282	Creates (and readies) and returns a new coro. This coro is automcatially	330	Like async, but this coro is automatically being canceled when the
283	being canceled when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
284		332
285	=cut	333	=cut
286		334
287	sub coro(&) {	335	sub async_ext(&) {
288	my $cb = shift;	336	my $cb = shift;
289		337
290	my $coro = &Coro::async_pool ($cb);	338	my $coro = &Coro::async ($cb);
291		339
292	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
293	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
294	});	342	});
295	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
296		344
297	$coro	345	$coro
298	}	346	}
299		347
300	sub write_runtime {	348	sub write_runtime {
		349	my $guard = cf::lock_acquire "write_runtime";
		350
301	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
302		352
303	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
304	or return;	354	or return;
305		355
		356	my $value = $cf::RUNTIME + 90 + 10;
306	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
307	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
308	and return;	361	and return;
309		362
		363	# always fsync - this file is important
310	aio_fsync $fh	364	aio_fsync $fh
311	and return;	365	and return;
312		366
313	close $fh	367	close $fh
314	or return;	368	or return;
…		…
317	and return;	371	and return;
318		372
319	1	373	1
320	}	374	}
321		375
		376	=item cf::datalog type => key => value, ...
		377
		378	Log a datalog packet of the given type with the given key-value pairs.
		379
		380	=cut
		381
		382	sub datalog($@) {
		383	my ($type, %kv) = @_;
		384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		385	}
		386
322	=back	387	=back
323		388
324	=cut	389	=cut
325
326	#############################################################################
327
328	package cf::path;
329
330	sub new {
331	my ($class, $path, $base) = @_;
332
333	$path = $path->as_string if ref $path;
334
335	my $self = bless { }, $class;
336
337	# {... are special paths that are not touched
338	# ?xxx/... are special absolute paths
339	# ?random/... random maps
340	# /! non-realised random map exit
341	# /... normal maps
342	# ~/... per-player maps without a specific player (DO NOT USE)
343	# ~user/... per-player map of a specific user
344
345	if ($path =~ /^{/) {
346	# fine as it is
347	} elsif ($path =~ s{^\?random/}{}) {
348	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
349	$self->{random} = cf::from_json $data;
350	} else {
351	if ($path =~ s{^~([^/]+)?}{}) {
352	$self->{user_rel} = 1;
353
354	if (defined $1) {
355	$self->{user} = $1;
356	} elsif ($base =~ m{^~([^/]+)/}) {
357	$self->{user} = $1;
358	} else {
359	warn "cannot resolve user-relative path without user <$path,$base>\n";
360	}
361	} elsif ($path =~ /^\//) {
362	# already absolute
363	} else {
364	$base =~ s{[^/]+/?$}{};
365	return $class->new ("$base/$path");
366	}
367
368	for ($path) {
369	redo if s{/\.?/}{/};
370	redo if s{/[^/]+/\.\./}{/};
371	}
372	}
373
374	$self->{path} = $path;
375
376	$self
377	}
378
379	# the name / primary key / in-game path
380	sub as_string {
381	my ($self) = @_;
382
383	$self->{user_rel} ? "~$self->{user}$self->{path}"
384	: $self->{random} ? "?random/$self->{path}"
385	: $self->{path}
386	}
387
388	# the displayed name, this is a one way mapping
389	sub visible_name {
390	my ($self) = @_;
391
392	# if (my $rmp = $self->{random}) {
393	# # todo: be more intelligent about this
394	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
395	# } else {
396	$self->as_string
397	# }
398	}
399
400	# escape the /'s in the path
401	sub _escaped_path {
402	# ∕ is U+2215
403	(my $path = $_[0]{path}) =~ s/\//∕/g;
404	$path
405	}
406
407	# the original (read-only) location
408	sub load_path {
409	my ($self) = @_;
410
411	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
412	}
413
414	# the temporary/swap location
415	sub save_path {
416	my ($self) = @_;
417
418	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
419	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
420	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
421	}
422
423	# the unique path, might be eq to save_path
424	sub uniq_path {
425	my ($self) = @_;
426
427	$self->{user_rel} || $self->{random}
428	? undef
429	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
430	}
431
432	# return random map parameters, or undef
433	sub random_map_params {
434	my ($self) = @_;
435
436	$self->{random}
437	}
438
439	# this is somewhat ugly, but style maps do need special treatment
440	sub is_style_map {
441	$_[0]{path} =~ m{^/styles/}
442	}
443
444	package cf;
445		390
446	#############################################################################	391	#############################################################################
447		392
448	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
449		394
…		…
575	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
576	our @CB_MAP = ();	521	our @CB_MAP = ();
577		522
578	my %attachment;	523	my %attachment;
579		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
580	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
581	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
582		533
583	use sort 'stable';	534	use sort 'stable';
584		535
…		…
755	# object support	706	# object support
756		707
757	sub reattach {	708	sub reattach {
758	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
759	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
760		713
761	my $registry = $obj->registry;	714	my $registry = $obj->registry;
762		715
763	@$registry = ();	716	@$registry = ();
764		717
…		…
811	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
812		765
813	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
814	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
815	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
816	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
817	close $fh;	770	close $fh;
818		771
819	if (@$objs) {	772	if (@$objs) {
820	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
821	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
822	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
823	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
824	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
825	close $fh;	778	close $fh;
826	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
827	}	780	}
828	} else {	781	} else {
829	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
896	=cut	849	=cut
897		850
898	sub register_extcmd {	851	sub register_extcmd {
899	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
900		853
901	my $caller = caller;
902	#warn "registering extcmd '$name' to '$caller'";
903
904	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
905	}	855	}
906		856
907	cf::player->attach (	857	cf::player->attach (
908	on_command => sub {	858	on_command => sub {
909	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
922		872
923	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
924		874
925	if (ref $msg) {	875	if (ref $msg) {
926	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
927	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
928	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
929	}	879	}
930	}	880	}
931	} else {	881	} else {
932	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
934		884
935	cf::override;	885	cf::override;
936	},	886	},
937	);	887	);
938		888
939	sub register {
940	my ($base, $pkg) = @_;
941
942	#TODO
943	}
944
945	sub load_extension {	889	sub load_extension {
946	my ($path) = @_;	890	my ($path) = @_;
947		891
948	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
949	my $base = $1;	893	my $base = $1;
950	my $pkg = $1;	894	my $pkg = $1;
951	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
952	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
953		897
954	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
955		899
956	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
957	or die "$path: $!";	901	or die "$path: $!";
958		902
959	my $source =	903	my $source =
960	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
961	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
962	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
963	. "\n};\n1";	907	. "\n};\n1";
964		908
965	eval $source	909	unless (eval $source) {
966	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
967	: "extension disabled.\n";	911	: "extension disabled.\n";
968		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
969	push @exts, $pkg;	913	warn $@;
970	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
971		915	exit 1;
972	# no strict 'refs';	916	}
973	# @{"$pkg\::ISA"} = ext::;	917	die $@;
974
975	register $base, $pkg;
976	}
977
978	sub unload_extension {
979	my ($pkg) = @_;
980
981	warn "removing extension $pkg\n";
982
983	# remove hooks
984	#TODO
985	# for my $idx (0 .. $#PLUGIN_EVENT) {
986	# delete $hook[$idx]{$pkg};
987	# }	918	}
988		919
989	# remove commands	920	push @EXTS, $pkg;
990	for my $name (keys %COMMAND) {
991	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
992
993	if (@cb) {
994	$COMMAND{$name} = \@cb;
995	} else {
996	delete $COMMAND{$name};
997	}
998	}
999
1000	# remove extcmds
1001	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1002	delete $EXTCMD{$name};
1003	}
1004
1005	if (my $cb = $pkg->can ("unload")) {
1006	eval {
1007	$cb->($pkg);
1008	1
1009	} or warn "$pkg unloaded, but with errors: $@";
1010	}
1011
1012	Symbol::delete_package $pkg;
1013	}	921	}
1014		922
1015	sub load_extensions {	923	sub load_extensions {
1016	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
1017	next unless -r $ext;	925	next unless -r $ext;
…		…
1021	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
1022	}	930	}
1023	}	931	}
1024		932
1025	#############################################################################	933	#############################################################################
1026	# load/save/clean perl data associated with a map
1027
1028	*cf::mapsupport::on_clean = sub {
1029	my ($map) = @_;
1030
1031	my $path = $map->tmpname;
1032	defined $path or return;
1033
1034	unlink "$path.pst";
1035	};
1036
1037	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1038
1039	#############################################################################
1040	# load/save perl data associated with player->ob objects
1041
1042	sub all_objects(@) {
1043	@_, map all_objects ($_->inv), @_
1044	}
1045
1046	# TODO: compatibility cruft, remove when no longer needed
1047	cf::player->attach (
1048	on_load => sub {
1049	my ($pl, $path) = @_;
1050
1051	for my $o (all_objects $pl->ob) {
1052	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1053	$o->set_ob_key_value ("_perl_data");
1054
1055	%$o = %{ Storable::thaw pack "H*", $value };
1056	}
1057	}
1058	},
1059	);
1060
1061	#############################################################################
1062		934
1063	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1064		936
1065	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1066		938
		939	=cut
		940
		941	package cf::player;
		942
		943	use Coro::AIO;
		944
1067	=head3 cf::player	945	=head3 cf::player
1068		946
1069	=over 4	947	=over 4
1070		948
1071	=item cf::player::exists $login	949	=item cf::player::find $login
1072		950
1073	Returns true when the given account exists.	951	Returns the given player object, loading it if necessary (might block).
1074		952
1075	=cut	953	=cut
1076		954
1077	sub cf::player::exists($) {	955	sub playerdir($) {
1078	cf::player::find $_[0]	956	cf::localdir
1079	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	957	. "/"
		958	. cf::playerdir
		959	. "/"
		960	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1080	}	961	}
1081		962
		963	sub path($) {
		964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		965
		966	(playerdir $login) . "/playerdata"
		967	}
		968
		969	sub find_active($) {
		970	$cf::PLAYER{$_[0]}
		971	and $cf::PLAYER{$_[0]}->active
		972	and $cf::PLAYER{$_[0]}
		973	}
		974
		975	sub exists($) {
		976	my ($login) = @_;
		977
		978	$cf::PLAYER{$login}
		979	or cf::sync_job { !aio_stat path $login }
		980	}
		981
		982	sub find($) {
		983	return $cf::PLAYER{$_[0]} || do {
		984	my $login = $_[0];
		985
		986	my $guard = cf::lock_acquire "user_find:$login";
		987
		988	$cf::PLAYER{$_[0]} || do {
		989	# rename old playerfiles to new ones
		990	#TODO: remove when no longer required
		991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		993	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		994	aio_unlink +(playerdir $login) . "/$login.pl";
		995
		996	my $pl = load_pl path $login
		997	or return;
		998	$cf::PLAYER{$login} = $pl
		999	}
		1000	}
		1001	}
		1002
		1003	sub save($) {
		1004	my ($pl) = @_;
		1005
		1006	return if $pl->{deny_save};
		1007
		1008	my $path = path $pl;
		1009	my $guard = cf::lock_acquire "user_save:$path";
		1010
		1011	return if $pl->{deny_save};
		1012
		1013	aio_mkdir playerdir $pl, 0770;
		1014	$pl->{last_save} = $cf::RUNTIME;
		1015
		1016	$pl->save_pl ($path);
		1017	Coro::cede;
		1018	}
		1019
		1020	sub new($) {
		1021	my ($login) = @_;
		1022
		1023	my $self = create;
		1024
		1025	$self->ob->name ($login);
		1026	$self->{deny_save} = 1;
		1027
		1028	$cf::PLAYER{$login} = $self;
		1029
		1030	$self
		1031	}
		1032
		1033	=item $pl->quit_character
		1034
		1035	Nukes the player without looking back. If logged in, the connection will
		1036	be destroyed. May block for a long time.
		1037
		1038	=cut
		1039
		1040	sub quit_character {
		1041	my ($pl) = @_;
		1042
		1043	my $name = $pl->ob->name;
		1044
		1045	$pl->{deny_save} = 1;
		1046	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1047
		1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1049	$pl->deactivate;
		1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1051	$pl->ns->destroy if $pl->ns;
		1052
		1053	my $path = playerdir $pl;
		1054	my $temp = "$path~$cf::RUNTIME~deleting~";
		1055	aio_rename $path, $temp;
		1056	delete $cf::PLAYER{$pl->ob->name};
		1057	$pl->destroy;
		1058
		1059	my $prefix = qr<^~\Q$name\E/>;
		1060
		1061	# nuke player maps
		1062	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1063
		1064	IO::AIO::aio_rmtree $temp;
		1065	}
		1066
		1067	=item $pl->kick
		1068
		1069	Kicks a player out of the game. This destroys the connection.
		1070
		1071	=cut
		1072
		1073	sub kick {
		1074	my ($pl, $kicker) = @_;
		1075
		1076	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1077	$pl->killer ("kicked");
		1078	$pl->ns->destroy;
		1079	}
		1080
		1081	=item cf::player::list_logins
		1082
		1083	Returns am arrayref of all valid playernames in the system, can take a
		1084	while and may block, so not sync_job-capable, ever.
		1085
		1086	=cut
		1087
		1088	sub list_logins {
		1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1090	or return [];
		1091
		1092	my @logins;
		1093
		1094	for my $login (@$dirs) {
		1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1096	aio_read $fh, 0, 512, my $buf, 0 or next;
		1097	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1098
		1099	utf8::decode $login;
		1100	push @logins, $login;
		1101	}
		1102
		1103	\@logins
		1104	}
		1105
		1106	=item $player->maps
		1107
		1108	Returns an arrayref of map paths that are private for this
		1109	player. May block.
		1110
		1111	=cut
		1112
		1113	sub maps($) {
		1114	my ($pl) = @_;
		1115
		1116	$pl = ref $pl ? $pl->ob->name : $pl;
		1117
		1118	my $files = aio_readdir playerdir $pl
		1119	or return;
		1120
		1121	my @paths;
		1122
		1123	for (@$files) {
		1124	utf8::decode $_;
		1125	next if /\.(?:pl|pst)$/;
		1126	next unless /^$PATH_SEP/o;
		1127
		1128	push @paths, cf::map::normalise "~$pl/$_";
		1129	}
		1130
		1131	\@paths
		1132	}
		1133
1082	=item $player->ext_reply ($msgid, $msgtype, %msg)	1134	=item $player->ext_reply ($msgid, %msg)
1083		1135
1084	Sends an ext reply to the player.	1136	Sends an ext reply to the player.
1085		1137
1086	=cut	1138	=cut
1087		1139
1088	sub cf::player::ext_reply($$$%) {	1140	sub ext_reply($$%) {
1089	my ($self, $id, %msg) = @_;	1141	my ($self, $id, %msg) = @_;
1090		1142
1091	$msg{msgid} = $id;	1143	$msg{msgid} = $id;
1092		1144
1093	$self->send ("ext " . to_json \%msg);	1145	$self->send ("ext " . cf::to_json \%msg);
		1146	}
		1147
		1148	=item $player->ext_event ($type, %msg)
		1149
		1150	Sends an ext event to the client.
		1151
		1152	=cut
		1153
		1154	sub ext_event($$%) {
		1155	my ($self, $type, %msg) = @_;
		1156
		1157	$self->ns->ext_event ($type, %msg);
		1158	}
		1159
		1160	=head3 cf::region
		1161
		1162	=over 4
		1163
		1164	=cut
		1165
		1166	package cf::region;
		1167
		1168	=item cf::region::find_by_path $path
		1169
		1170	Tries to decuce the probable region for a map knowing only its path.
		1171
		1172	=cut
		1173
		1174	sub find_by_path($) {
		1175	my ($path) = @_;
		1176
		1177	my ($match, $specificity);
		1178
		1179	for my $region (list) {
		1180	if ($region->match && $path =~ $region->match) {
		1181	($match, $specificity) = ($region, $region->specificity)
		1182	if $region->specificity > $specificity;
		1183	}
		1184	}
		1185
		1186	$match
1094	}	1187	}
1095		1188
1096	=back	1189	=back
1097
1098		1190
1099	=head3 cf::map	1191	=head3 cf::map
1100		1192
1101	=over 4	1193	=over 4
1102		1194
…		…
1105	package cf::map;	1197	package cf::map;
1106		1198
1107	use Fcntl;	1199	use Fcntl;
1108	use Coro::AIO;	1200	use Coro::AIO;
1109		1201
		1202	use overload
		1203	'""' => \&as_string,
		1204	fallback => 1;
		1205
1110	our $MAX_RESET = 3600;	1206	our $MAX_RESET = 3600;
1111	our $DEFAULT_RESET = 3000;	1207	our $DEFAULT_RESET = 3000;
1112		1208
1113	sub generate_random_map {	1209	sub generate_random_map {
1114	my ($path, $rmp) = @_;	1210	my ($self, $rmp) = @_;
1115
1116	# mit "rum" bekleckern, nicht	1211	# mit "rum" bekleckern, nicht
1117	cf::map::_create_random_map	1212	$self->_create_random_map (
1118	$path,
1119	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1120	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1121	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1122	$rmp->{exit_on_final_map},	1216	$rmp->{exit_on_final_map},
1123	$rmp->{xsize}, $rmp->{ysize},	1217	$rmp->{xsize}, $rmp->{ysize},
1124	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1125	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1126	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1127	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1221	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1128	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1129	(cf::region::find $rmp->{region})	1223	(cf::region::find $rmp->{region}), $rmp->{custom}
		1224	)
		1225	}
		1226
		1227	=item cf::map->register ($regex, $prio)
		1228
		1229	Register a handler for the map path matching the given regex at the
		1230	givne priority (higher is better, built-in handlers have priority 0, the
		1231	default).
		1232
		1233	=cut
		1234
		1235	sub register {
		1236	my (undef, $regex, $prio) = @_;
		1237	my $pkg = caller;
		1238
		1239	no strict;
		1240	push @{"$pkg\::ISA"}, __PACKAGE__;
		1241
		1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1243	}
		1244
		1245	# also paths starting with '/'
		1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1247
		1248	sub thawer_merge {
		1249	my ($self, $merge) = @_;
		1250
		1251	# we have to keep some variables in memory intact
		1252	local $self->{path};
		1253	local $self->{load_path};
		1254	local $self->{deny_save};
		1255	local $self->{deny_reset};
		1256
		1257	$self->SUPER::thawer_merge ($merge);
		1258	}
		1259
		1260	sub normalise {
		1261	my ($path, $base) = @_;
		1262
		1263	$path = "$path"; # make sure its a string
		1264
		1265	$path =~ s/\.map$//;
		1266
		1267	# map plan:
		1268	#
		1269	# /! non-realised random map exit (special hack!)
		1270	# {... are special paths that are not being touched
		1271	# ?xxx/... are special absolute paths
		1272	# ?random/... random maps
		1273	# /... normal maps
		1274	# ~user/... per-player map of a specific user
		1275
		1276	$path =~ s/$PATH_SEP/\//go;
		1277
		1278	# treat it as relative path if it starts with
		1279	# something that looks reasonable
		1280	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1281	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1282
		1283	$base =~ s{[^/]+/?$}{};
		1284	$path = "$base/$path";
		1285	}
		1286
		1287	for ($path) {
		1288	redo if s{//}{/};
		1289	redo if s{/\.?/}{/};
		1290	redo if s{/[^/]+/\.\./}{/};
		1291	}
		1292
		1293	$path
		1294	}
		1295
		1296	sub new_from_path {
		1297	my (undef, $path, $base) = @_;
		1298
		1299	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1300
		1301	$path = normalise $path, $base;
		1302
		1303	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1304	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1305	my $self = bless cf::map::new, $pkg;
		1306	$self->{path} = $path; $self->path ($path);
		1307	$self->init; # pass $1 etc.
		1308	return $self;
		1309	}
		1310	}
		1311
		1312	Carp::carp "unable to resolve path '$path' (base '$base').";
		1313	()
		1314	}
		1315
		1316	sub init {
		1317	my ($self) = @_;
		1318
		1319	$self
		1320	}
		1321
		1322	sub as_string {
		1323	my ($self) = @_;
		1324
		1325	"$self->{path}"
		1326	}
		1327
		1328	# the displayed name, this is a one way mapping
		1329	sub visible_name {
		1330	&as_string
		1331	}
		1332
		1333	# the original (read-only) location
		1334	sub load_path {
		1335	my ($self) = @_;
		1336
		1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1338	}
		1339
		1340	# the temporary/swap location
		1341	sub save_path {
		1342	my ($self) = @_;
		1343
		1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1346	}
		1347
		1348	# the unique path, undef == no special unique path
		1349	sub uniq_path {
		1350	my ($self) = @_;
		1351
		1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1130	}	1354	}
1131		1355
1132	# and all this just because we cannot iterate over	1356	# and all this just because we cannot iterate over
1133	# all maps in C++...	1357	# all maps in C++...
1134	sub change_all_map_light {	1358	sub change_all_map_light {
…		…
1136		1360
1137	$_->change_map_light ($change)	1361	$_->change_map_light ($change)
1138	for grep $_->outdoor, values %cf::MAP;	1362	for grep $_->outdoor, values %cf::MAP;
1139	}	1363	}
1140		1364
		1365	sub unlink_save {
		1366	my ($self) = @_;
		1367
		1368	utf8::encode (my $save = $self->save_path);
		1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1370	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1371	}
		1372
1141	sub try_load_header($) {	1373	sub load_header_from($) {
1142	my ($path) = @_;	1374	my ($self, $path) = @_;
1143		1375
1144	utf8::encode $path;	1376	utf8::encode $path;
1145	aio_open $path, O_RDONLY, 0	1377	#aio_open $path, O_RDONLY, 0
		1378	# or return;
		1379
		1380	$self->_load_header ($path)
1146	or return;	1381	or return;
1147		1382
1148	my $map = cf::map::new	1383	$self->{load_path} = $path;
		1384
		1385	1
		1386	}
		1387
		1388	sub load_header_orig {
		1389	my ($self) = @_;
		1390
		1391	$self->load_header_from ($self->load_path)
		1392	}
		1393
		1394	sub load_header_temp {
		1395	my ($self) = @_;
		1396
		1397	$self->load_header_from ($self->save_path)
		1398	}
		1399
		1400	sub prepare_temp {
		1401	my ($self) = @_;
		1402
		1403	$self->last_access ((delete $self->{last_access})
		1404	|| $cf::RUNTIME); #d#
		1405	# safety
		1406	$self->{instantiate_time} = $cf::RUNTIME
		1407	if $self->{instantiate_time} > $cf::RUNTIME;
		1408	}
		1409
		1410	sub prepare_orig {
		1411	my ($self) = @_;
		1412
		1413	$self->{load_original} = 1;
		1414	$self->{instantiate_time} = $cf::RUNTIME;
		1415	$self->last_access ($cf::RUNTIME);
		1416	$self->instantiate;
		1417	}
		1418
		1419	sub load_header {
		1420	my ($self) = @_;
		1421
		1422	if ($self->load_header_temp) {
		1423	$self->prepare_temp;
		1424	} else {
		1425	$self->load_header_orig
1149	or return;	1426	or return;
		1427	$self->prepare_orig;
		1428	}
1150		1429
1151	# for better error messages only, will be overwritten	1430	$self->default_region (cf::region::find_by_path $self->{path})
1152	$map->path ($path);	1431	unless $self->default_region;
1153		1432
1154	$map->load_header ($path)	1433	1
1155	or return;
1156
1157	$map->{load_path} = $path;
1158
1159	$map
1160	}	1434	}
1161		1435
1162	sub find;	1436	sub find;
1163	sub find {	1437	sub find {
1164	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1165		1439
1166	#warn "find<$path,$origin>\n";#d#
1167
1168	$path = new cf::path $path, $origin && $origin->path;	1440	$path = normalise $path, $origin && $origin->path;
1169	my $key = $path->as_string;
1170		1441
1171	cf::lock_wait "map_find:$key";	1442	cf::lock_wait "map_find:$path";
1172		1443
1173	$cf::MAP{$key} || do {	1444	$cf::MAP{$path} || do {
1174	my $guard = cf::lock_acquire "map_find:$key";	1445	my $guard = cf::lock_acquire "map_find:$path";
1175		1446	my $map = new_from_path cf::map $path
1176	# do it the slow way
1177	my $map = try_load_header $path->save_path;
1178
1179	Coro::cede;
1180
1181	if ($map) {
1182	$map->last_access ((delete $map->{last_access})
1183	|| $cf::RUNTIME); #d#
1184	# safety
1185	$map->{instantiate_time} = $cf::RUNTIME
1186	if $map->{instantiate_time} > $cf::RUNTIME;
1187	} else {
1188	if (my $rmp = $path->random_map_params) {
1189	$map = generate_random_map $key, $rmp;
1190	} else {
1191	$map = try_load_header $path->load_path;
1192	}
1193
1194	$map or return;	1447	or return;
1195		1448
1196	$map->{load_original} = 1;
1197	$map->{instantiate_time} = $cf::RUNTIME;
1198	$map->last_access ($cf::RUNTIME);
1199	$map->instantiate;
1200
1201	# per-player maps become, after loading, normal maps
1202	$map->per_player (0) if $path->{user_rel};
1203	}
1204
1205	$map->path ($key);
1206	$map->{path} = $path;
1207	$map->{last_save} = $cf::RUNTIME;	1449	$map->{last_save} = $cf::RUNTIME;
1208		1450
1209	Coro::cede;	1451	$map->load_header
		1452	or return;
1210		1453
1211	if ($map->should_reset) {	1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1455	# doing this can freeze the server in a sync job, obviously
		1456	#$cf::WAIT_FOR_TICK->wait;
1212	$map->reset;	1457	$map->reset;
1213	undef $guard;	1458	undef $guard;
1214	$map = find $path	1459	return find $path;
1215	or return;
1216	}	1460	}
1217		1461
1218	$cf::MAP{$key} = $map	1462	$cf::MAP{$path} = $map
1219	}	1463	}
1220	}	1464	}
		1465
		1466	sub pre_load { }
		1467	sub post_load { }
1221		1468
1222	sub load {	1469	sub load {
1223	my ($self) = @_;	1470	my ($self) = @_;
1224		1471
		1472	local $self->{deny_reset} = 1; # loading can take a long time
		1473
1225	my $path = $self->{path};	1474	my $path = $self->{path};
1226	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1475	my $guard = cf::lock_acquire "map_load:$path";
1227		1476
1228	return if $self->in_memory != cf::MAP_SWAPPED;	1477	return if $self->in_memory != cf::MAP_SWAPPED;
1229		1478
1230	$self->in_memory (cf::MAP_LOADING);	1479	$self->in_memory (cf::MAP_LOADING);
1231		1480
1232	$self->alloc;	1481	$self->alloc;
		1482
		1483	$self->pre_load;
		1484	Coro::cede;
		1485
1233	$self->load_objects ($self->{load_path}, 1)	1486	$self->_load_objects ($self->{load_path}, 1)
1234	or return;	1487	or return;
1235		1488
1236	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1237	if delete $self->{load_original};	1490	if delete $self->{load_original};
1238		1491
1239	if (my $uniq = $path->uniq_path) {	1492	if (my $uniq = $self->uniq_path) {
1240	utf8::encode $uniq;	1493	utf8::encode $uniq;
1241	if (aio_open $uniq, O_RDONLY, 0) {	1494	if (aio_open $uniq, O_RDONLY, 0) {
1242	$self->clear_unique_items;	1495	$self->clear_unique_items;
1243	$self->load_objects ($uniq, 0);	1496	$self->_load_objects ($uniq, 0);
1244	}	1497	}
1245	}	1498	}
1246		1499
1247	Coro::cede;	1500	Coro::cede;
1248
1249	# now do the right thing for maps	1501	# now do the right thing for maps
1250	$self->link_multipart_objects;	1502	$self->link_multipart_objects;
		1503	Coro::cede;
1251		1504
1252	if ($self->{path}->is_style_map) {	1505	unless ($self->{deny_activate}) {
1253	$self->{deny_save} = 1;	1506	$self->decay_objects;
1254	$self->{deny_reset} = 1;
1255	} else {
1256	$self->fix_auto_apply;	1507	$self->fix_auto_apply;
1257	$self->decay_objects;
1258	$self->update_buttons;	1508	$self->update_buttons;
		1509	Coro::cede;
1259	$self->set_darkness_map;	1510	$self->set_darkness_map;
1260	$self->difficulty ($self->estimate_difficulty)	1511	$self->difficulty ($self->estimate_difficulty)
1261	unless $self->difficulty;	1512	unless $self->difficulty;
		1513	Coro::cede;
1262	$self->activate;	1514	$self->activate;
		1515	Coro::cede;
1263	}	1516	}
1264		1517
		1518	$self->post_load;
1265	Coro::cede;	1519	Coro::cede;
1266		1520
1267	$self->in_memory (cf::MAP_IN_MEMORY);	1521	$self->in_memory (cf::MAP_IN_MEMORY);
		1522	}
		1523
		1524	sub customise_for {
		1525	my ($self, $ob) = @_;
		1526
		1527	return find "~" . $ob->name . "/" . $self->{path}
		1528	if $self->per_player;
		1529
		1530	$self
		1531	}
		1532
		1533	# find and load all maps in the 3x3 area around a map
		1534	sub load_diag {
		1535	my ($map) = @_;
		1536
		1537	my @diag; # diagonal neighbours
		1538
		1539	for (0 .. 3) {
		1540	my $neigh = $map->tile_path ($_)
		1541	or next;
		1542	$neigh = find $neigh, $map
		1543	or next;
		1544	$neigh->load;
		1545
		1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1548	}
		1549
		1550	for (@diag) {
		1551	my $neigh = find @$_
		1552	or next;
		1553	$neigh->load;
		1554	}
1268	}	1555	}
1269		1556
1270	sub find_sync {	1557	sub find_sync {
1271	my ($path, $origin) = @_;	1558	my ($path, $origin) = @_;
1272		1559
1273	cf::sync_job { cf::map::find $path, $origin }	1560	cf::sync_job { find $path, $origin }
1274	}	1561	}
1275		1562
1276	sub do_load_sync {	1563	sub do_load_sync {
1277	my ($map) = @_;	1564	my ($map) = @_;
1278		1565
1279	cf::sync_job { $map->load };	1566	cf::sync_job { $map->load };
1280	}	1567	}
1281		1568
		1569	our %MAP_PREFETCH;
		1570	our $MAP_PREFETCHER = undef;
		1571
		1572	sub find_async {
		1573	my ($path, $origin) = @_;
		1574
		1575	$path = normalise $path, $origin && $origin->{path};
		1576
		1577	if (my $map = $cf::MAP{$path}) {
		1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1579	}
		1580
		1581	undef $MAP_PREFETCH{$path};
		1582	$MAP_PREFETCHER ||= cf::async {
		1583	while (%MAP_PREFETCH) {
		1584	for my $path (keys %MAP_PREFETCH) {
		1585	my $map = find $path
		1586	or next;
		1587	$map->load;
		1588
		1589	delete $MAP_PREFETCH{$path};
		1590	}
		1591	}
		1592	undef $MAP_PREFETCHER;
		1593	};
		1594	$MAP_PREFETCHER->prio (6);
		1595
		1596	()
		1597	}
		1598
1282	sub save {	1599	sub save {
1283	my ($self) = @_;	1600	my ($self) = @_;
1284		1601
1285	my $lock = cf::lock_acquire "map_data:" . $self->path;	1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1286		1603
1287	$self->{last_save} = $cf::RUNTIME;	1604	$self->{last_save} = $cf::RUNTIME;
1288		1605
1289	return unless $self->dirty;	1606	return unless $self->dirty;
1290		1607
1291	my $save = $self->{path}->save_path; utf8::encode $save;	1608	my $save = $self->save_path; utf8::encode $save;
1292	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1609	my $uniq = $self->uniq_path; utf8::encode $uniq;
1293		1610
1294	$self->{load_path} = $save;	1611	$self->{load_path} = $save;
1295		1612
1296	return if $self->{deny_save};	1613	return if $self->{deny_save};
1297		1614
1298	local $self->{last_access} = $self->last_access;#d#	1615	local $self->{last_access} = $self->last_access;#d#
1299		1616
		1617	cf::async {
		1618	$_->contr->save for $self->players;
		1619	};
		1620
1300	if ($uniq) {	1621	if ($uniq) {
1301	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1302	$self->save_objects ($uniq, cf::IO_UNIQUES);	1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1303	} else {	1624	} else {
1304	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1305	}	1626	}
1306	}	1627	}
1307		1628
1308	sub swap_out {	1629	sub swap_out {
1309	my ($self) = @_;	1630	my ($self) = @_;
…		…
1323		1644
1324	sub reset_at {	1645	sub reset_at {
1325	my ($self) = @_;	1646	my ($self) = @_;
1326		1647
1327	# TODO: safety, remove and allow resettable per-player maps	1648	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1329	return 1e99 if $self->{deny_reset};	1650	return 1e99 if $self->{deny_reset};
1330		1651
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333		1654
…		…
1338	my ($self) = @_;	1659	my ($self) = @_;
1339		1660
1340	$self->reset_at <= $cf::RUNTIME	1661	$self->reset_at <= $cf::RUNTIME
1341	}	1662	}
1342		1663
1343	sub unlink_save {
1344	my ($self) = @_;
1345
1346	utf8::encode (my $save = $self->{path}->save_path);
1347	aioreq_pri 3; IO::AIO::aio_unlink $save;
1348	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1349	}
1350
1351	sub rename {
1352	my ($self, $new_path) = @_;
1353
1354	$self->unlink_save;
1355
1356	delete $cf::MAP{$self->path};
1357	$self->{path} = new cf::path $new_path;
1358	$self->path ($self->{path}->as_string);
1359	$cf::MAP{$self->path} = $self;
1360
1361	$self->save;
1362	}
1363
1364	sub reset {	1664	sub reset {
1365	my ($self) = @_;	1665	my ($self) = @_;
1366		1666
1367	my $lock = cf::lock_acquire "map_data:" . $self->path;	1667	my $lock = cf::lock_acquire "map_data:$self->{path}";
1368		1668
1369	return if $self->players;	1669	return if $self->players;
1370	return if $self->{path}{user_rel};#d#	1670	return if $self->isa ("ext::map_per_player");#d#
1371		1671
1372	warn "resetting map ", $self->path;#d#	1672	warn "resetting map ", $self->path;#d#
1373		1673
		1674	$self->in_memory (cf::MAP_SWAPPED);
		1675
		1676	# need to save uniques path
		1677	unless ($self->{deny_save}) {
		1678	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1679
		1680	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1681	if $uniq;
		1682	}
		1683
1374	delete $cf::MAP{$self->path};	1684	delete $cf::MAP{$self->path};
		1685
		1686	$self->clear;
1375		1687
1376	$_->clear_links_to ($self) for values %cf::MAP;	1688	$_->clear_links_to ($self) for values %cf::MAP;
1377		1689
1378	$self->unlink_save;	1690	$self->unlink_save;
1379	$self->destroy;	1691	$self->destroy;
…		…
1382	my $nuke_counter = "aaaa";	1694	my $nuke_counter = "aaaa";
1383		1695
1384	sub nuke {	1696	sub nuke {
1385	my ($self) = @_;	1697	my ($self) = @_;
1386		1698
		1699	delete $cf::MAP{$self->path};
		1700
		1701	$self->unlink_save;
		1702
		1703	bless $self, "cf::map";
		1704	delete $self->{deny_reset};
1387	$self->{deny_save} = 1;	1705	$self->{deny_save} = 1;
1388	$self->reset_timeout (1);	1706	$self->reset_timeout (1);
1389	$self->rename ("{nuke}/" . ($nuke_counter++));	1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1708
		1709	$cf::MAP{$self->path} = $self;
		1710
1390	$self->reset; # polite request, might not happen	1711	$self->reset; # polite request, might not happen
1391	}	1712	}
1392		1713
1393	sub customise_for {	1714	=item cf::map::unique_maps
1394	my ($map, $ob) = @_;
1395		1715
1396	if ($map->per_player) {	1716	Returns an arrayref of paths of all shared maps that have
1397	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1717	instantiated unique items. May block.
1398	}
1399		1718
1400	$map	1719	=cut
1401	}
1402		1720
1403	sub emergency_save {	1721	sub unique_maps() {
1404	my $freeze_guard = cf::freeze_mainloop;	1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1723	or return;
1405		1724
1406	warn "enter emergency map save\n";	1725	my @paths;
1407		1726
1408	cf::sync_job {	1727	for (@$files) {
1409	warn "begin emergency map save\n";	1728	utf8::decode $_;
1410	$_->save for values %cf::MAP;	1729	next if /\.pst$/;
		1730	next unless /^$PATH_SEP/o;
		1731
		1732	push @paths, cf::map::normalise $_;
1411	};	1733	}
1412		1734
1413	warn "end emergency map save\n";	1735	\@paths
1414	}	1736	}
1415		1737
1416	package cf;	1738	package cf;
1417		1739
1418	=back	1740	=back
1419		1741
		1742	=head3 cf::object
		1743
		1744	=cut
		1745
		1746	package cf::object;
		1747
		1748	=over 4
		1749
		1750	=item $ob->inv_recursive
		1751
		1752	Returns the inventory of the object _and_ their inventories, recursively.
		1753
		1754	=cut
		1755
		1756	sub inv_recursive_;
		1757	sub inv_recursive_ {
		1758	map { $_, inv_recursive_ $_->inv } @_
		1759	}
		1760
		1761	sub inv_recursive {
		1762	inv_recursive_ inv $_[0]
		1763	}
		1764
		1765	package cf;
		1766
		1767	=back
1420		1768
1421	=head3 cf::object::player	1769	=head3 cf::object::player
1422		1770
1423	=over 4	1771	=over 4
1424		1772
…		…
1464		1812
1465	=item $player_object->enter_link	1813	=item $player_object->enter_link
1466		1814
1467	Freezes the player and moves him/her to a special map (C<{link}>).	1815	Freezes the player and moves him/her to a special map (C<{link}>).
1468		1816
1469	The player should be reaosnably safe there for short amounts of time. You	1817	The player should be reasonably safe there for short amounts of time. You
1470	I<MUST> call C<leave_link> as soon as possible, though.	1818	I<MUST> call C<leave_link> as soon as possible, though.
1471		1819
		1820	Will never block.
		1821
1472	=item $player_object->leave_link ($map, $x, $y)	1822	=item $player_object->leave_link ($map, $x, $y)
1473		1823
1474	Moves the player out of the specila link map onto the given map. If the	1824	Moves the player out of the special C<{link}> map onto the specified
1475	map is not valid (or omitted), the player will be moved back to the	1825	map. If the map is not valid (or omitted), the player will be moved back
1476	location he/she was before the call to C<enter_link>, or, if that fails,	1826	to the location he/she was before the call to C<enter_link>, or, if that
1477	to the emergency map position.	1827	fails, to the emergency map position.
1478		1828
1479	Might block.	1829	Might block.
1480		1830
1481	=cut	1831	=cut
		1832
		1833	sub link_map {
		1834	unless ($LINK_MAP) {
		1835	$LINK_MAP = cf::map::find "{link}"
		1836	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1837	$LINK_MAP->load;
		1838	}
		1839
		1840	$LINK_MAP
		1841	}
1482		1842
1483	sub cf::object::player::enter_link {	1843	sub cf::object::player::enter_link {
1484	my ($self) = @_;	1844	my ($self) = @_;
1485		1845
1486	$self->deactivate_recursive;	1846	$self->deactivate_recursive;
1487		1847
1488	return if $self->map == $LINK_MAP;	1848	return if UNIVERSAL::isa $self->map, "ext::map_link";
1489		1849
1490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1491	if $self->map;	1851	if $self->map;
1492		1852
1493	$self->enter_map ($LINK_MAP, 20, 20);	1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1494	}	1854	}
1495		1855
1496	sub cf::object::player::leave_link {	1856	sub cf::object::player::leave_link {
1497	my ($self, $map, $x, $y) = @_;	1857	my ($self, $map, $x, $y) = @_;
1498		1858
…		…
1516	# use -1 or undef as default coordinates, not 0, 0	1876	# use -1 or undef as default coordinates, not 0, 0
1517	($x, $y) = ($map->enter_x, $map->enter_y)	1877	($x, $y) = ($map->enter_x, $map->enter_y)
1518	if $x <=0 && $y <= 0;	1878	if $x <=0 && $y <= 0;
1519		1879
1520	$map->load;	1880	$map->load;
		1881	$map->load_diag;
1521		1882
		1883	return unless $self->contr->active;
1522	$self->activate_recursive;	1884	$self->activate_recursive;
		1885
		1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1523	$self->enter_map ($map, $x, $y);	1887	$self->enter_map ($map, $x, $y);
1524	}	1888	}
1525		1889
1526	cf::player->attach (	1890	cf::player->attach (
1527	on_logout => sub {	1891	on_logout => sub {
…		…
1539		1903
1540	# try to abort aborted map switching on player login :)	1904	# try to abort aborted map switching on player login :)
1541	# should happen only on crashes	1905	# should happen only on crashes
1542	if ($pl->ob->{_link_pos}) {	1906	if ($pl->ob->{_link_pos}) {
1543	$pl->ob->enter_link;	1907	$pl->ob->enter_link;
1544	Coro::async_pool {	1908	(async {
		1909	$pl->ob->reply (undef,
		1910	"There was an internal problem at your last logout, "
		1911	. "the server will try to bring you to your intended destination in a second.",
		1912	cf::NDI_RED);
1545	# we need this sleep as the login has a concurrent enter_exit running	1913	# we need this sleep as the login has a concurrent enter_exit running
1546	# and this sleep increases chances of the player not ending up in scorn	1914	# and this sleep increases chances of the player not ending up in scorn
1547	Coro::Timer::sleep 1;	1915	Coro::Timer::sleep 1;
1548	$pl->ob->leave_link;	1916	$pl->ob->leave_link;
1549	};	1917	})->prio (2);
1550	}	1918	}
1551	},	1919	},
1552	);	1920	);
1553		1921
1554	=item $player_object->goto ($path, $x, $y)	1922	=item $player_object->goto ($path, $x, $y)
…		…
1558	sub cf::object::player::goto {	1926	sub cf::object::player::goto {
1559	my ($self, $path, $x, $y) = @_;	1927	my ($self, $path, $x, $y) = @_;
1560		1928
1561	$self->enter_link;	1929	$self->enter_link;
1562		1930
1563	(Coro::async_pool {	1931	(async {
1564	$path = new cf::path $path;	1932	my $map = eval {
1565
1566	my $map = cf::map::find $path->as_string;	1933	my $map = cf::map::find $path;
1567	$map = $map->customise_for ($self) if $map;	1934	$map = $map->customise_for ($self) if $map;
1568		1935	$map
1569	# warn "entering ", $map->path, " at ($x, $y)\n"	1936	} or
1570	# if $map;
1571
1572	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1573		1938
1574	$self->leave_link ($map, $x, $y);	1939	$self->leave_link ($map, $x, $y);
1575	})->prio (1);	1940	})->prio (1);
1576	}	1941	}
1577		1942
…		…
1581		1946
1582	sub parse_random_map_params {	1947	sub parse_random_map_params {
1583	my ($spec) = @_;	1948	my ($spec) = @_;
1584		1949
1585	my $rmp = { # defaults	1950	my $rmp = { # defaults
1586	xsize => 10,	1951	xsize => (cf::rndm 15, 40),
1587	ysize => 10,	1952	ysize => (cf::rndm 15, 40),
		1953	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1954	#layout => string,
1588	};	1955	};
1589		1956
1590	for (split /\n/, $spec) {	1957	for (split /\n/, $spec) {
1591	my ($k, $v) = split /\s+/, $_, 2;	1958	my ($k, $v) = split /\s+/, $_, 2;
1592		1959
…		…
1596	$rmp	1963	$rmp
1597	}	1964	}
1598		1965
1599	sub prepare_random_map {	1966	sub prepare_random_map {
1600	my ($exit) = @_;	1967	my ($exit) = @_;
		1968
		1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1601		1970
1602	# all this does is basically replace the /! path by	1971	# all this does is basically replace the /! path by
1603	# a new random map path (?random/...) with a seed	1972	# a new random map path (?random/...) with a seed
1604	# that depends on the exit object	1973	# that depends on the exit object
1605		1974
1606	my $rmp = parse_random_map_params $exit->msg;	1975	my $rmp = parse_random_map_params $exit->msg;
1607		1976
1608	if ($exit->map) {	1977	if ($exit->map) {
1609	$rmp->{region} = $exit->map->region_name;	1978	$rmp->{region} = $exit->region->name;
1610	$rmp->{origin_map} = $exit->map->path;	1979	$rmp->{origin_map} = $exit->map->path;
1611	$rmp->{origin_x} = $exit->x;	1980	$rmp->{origin_x} = $exit->x;
1612	$rmp->{origin_y} = $exit->y;	1981	$rmp->{origin_y} = $exit->y;
1613	}	1982	}
1614		1983
1615	$rmp->{random_seed} ||= $exit->random_seed;	1984	$rmp->{random_seed} ||= $exit->random_seed;
1616		1985
1617	my $data = cf::to_json $rmp;	1986	my $data = cf::to_json $rmp;
1618	my $md5 = Digest::MD5::md5_hex $data;	1987	my $md5 = Digest::MD5::md5_hex $data;
		1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1619		1989
1620	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1621	aio_write $fh, 0, (length $data), $data, 0;	1991	aio_write $fh, 0, (length $data), $data, 0;
		1992	undef $fh;
		1993	aio_rename "$meta~", $meta;
1622		1994
1623	$exit->slaying ("?random/$md5");	1995	$exit->slaying ("?random/$md5");
1624	$exit->msg (undef);	1996	$exit->msg (undef);
1625	}	1997	}
1626	}	1998	}
…		…
1628	sub cf::object::player::enter_exit {	2000	sub cf::object::player::enter_exit {
1629	my ($self, $exit) = @_;	2001	my ($self, $exit) = @_;
1630		2002
1631	return unless $self->type == cf::PLAYER;	2003	return unless $self->type == cf::PLAYER;
1632		2004
		2005	if ($exit->slaying eq "/!") {
		2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2007	# the problem is that $exit might not survive long enough
		2008	# so it needs to be done right now, right here
		2009	cf::sync_job { prepare_random_map $exit };
		2010	}
		2011
		2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2013	my $hp = $exit->stats->hp;
		2014	my $sp = $exit->stats->sp;
		2015
1633	$self->enter_link;	2016	$self->enter_link;
1634		2017
1635	(Coro::async_pool {	2018	(async {
1636	$self->deactivate_recursive; # just to be sure	2019	$self->deactivate_recursive; # just to be sure
1637	unless (eval {	2020	unless (eval {
1638	prepare_random_map $exit	2021	$self->goto ($slaying, $hp, $sp);
1639	if $exit->slaying eq "/!";
1640
1641	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1642	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1643		2022
1644	1;	2023	1;
1645	}) {	2024	}) {
1646	$self->message ("Something went wrong deep within the crossfire server. "	2025	$self->message ("Something went wrong deep within the crossfire server. "
1647	. "I'll try to bring you back to the map you were before. "	2026	. "I'll try to bring you back to the map you were before. "
1648	. "Please report this to the dungeon master",	2027	. "Please report this to the dungeon master!",
1649	cf::NDI_UNIQUE | cf::NDI_RED);	2028	cf::NDI_UNIQUE | cf::NDI_RED);
1650		2029
1651	warn "ERROR in enter_exit: $@";	2030	warn "ERROR in enter_exit: $@";
1652	$self->leave_link;	2031	$self->leave_link;
1653	}	2032	}
1654	})->prio (1);	2033	})->prio (1);
…		…
1667		2046
1668	sub cf::client::send_drawinfo {	2047	sub cf::client::send_drawinfo {
1669	my ($self, $text, $flags) = @_;	2048	my ($self, $text, $flags) = @_;
1670		2049
1671	utf8::encode $text;	2050	utf8::encode $text;
1672	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1673	}	2052	}
1674		2053
		2054	=item $client->ext_event ($type, %msg)
		2055
		2056	Sends an exti event to the client.
		2057
		2058	=cut
		2059
		2060	sub cf::client::ext_event($$%) {
		2061	my ($self, $type, %msg) = @_;
		2062
		2063	$msg{msgtype} = "event_$type";
		2064	$self->send_packet ("ext " . cf::to_json \%msg);
		2065	}
1675		2066
1676	=item $success = $client->query ($flags, "text", \&cb)	2067	=item $success = $client->query ($flags, "text", \&cb)
1677		2068
1678	Queues a query to the client, calling the given callback with	2069	Queues a query to the client, calling the given callback with
1679	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1708	# get handled first	2099	# get handled first
1709	my $queue = delete $ns->{query_queue}	2100	my $queue = delete $ns->{query_queue}
1710	or return; # be conservative, not sure how that can happen, but we saw a crash here	2101	or return; # be conservative, not sure how that can happen, but we saw a crash here
1711		2102
1712	(shift @$queue)->[1]->($msg);	2103	(shift @$queue)->[1]->($msg);
		2104	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1713		2105
1714	push @{ $ns->{query_queue} }, @$queue;	2106	push @{ $ns->{query_queue} }, @$queue;
1715		2107
1716	if (@{ $ns->{query_queue} } == @$queue) {	2108	if (@{ $ns->{query_queue} } == @$queue) {
1717	if (@$queue) {	2109	if (@$queue) {
…		…
1721	}	2113	}
1722	}	2114	}
1723	},	2115	},
1724	);	2116	);
1725		2117
1726	=item $client->coro (\&cb)	2118	=item $client->async (\&cb)
1727		2119
1728	Create a new coroutine, running the specified callback. The coroutine will	2120	Create a new coroutine, running the specified callback. The coroutine will
1729	be automatically cancelled when the client gets destroyed (e.g. on logout,	2121	be automatically cancelled when the client gets destroyed (e.g. on logout,
1730	or loss of connection).	2122	or loss of connection).
1731		2123
1732	=cut	2124	=cut
1733		2125
1734	sub cf::client::coro {	2126	sub cf::client::async {
1735	my ($self, $cb) = @_;	2127	my ($self, $cb) = @_;
1736		2128
1737	my $coro = &Coro::async_pool ($cb);	2129	my $coro = &Coro::async ($cb);
1738		2130
1739	$coro->on_destroy (sub {	2131	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2132	delete $self->{_coro}{$coro+0};
1741	});	2133	});
1742		2134
…		…
1775		2167
1776	# here we export the classes and methods available to script code	2168	# here we export the classes and methods available to script code
1777		2169
1778	=pod	2170	=pod
1779		2171
1780	The following fucntions and emthods are available within a safe environment:	2172	The following functions and methods are available within a safe environment:
1781		2173
1782	cf::object contr pay_amount pay_player map	2174	cf::object contr pay_amount pay_player map
1783	cf::object::player player	2175	cf::object::player player
1784	cf::player peaceful	2176	cf::player peaceful
1785	cf::map trigger	2177	cf::map trigger
…		…
1878	The parameter C<$family> should best start with the name of the extension	2270	The parameter C<$family> should best start with the name of the extension
1879	using it, it should be unique.	2271	using it, it should be unique.
1880		2272
1881	=over 4	2273	=over 4
1882		2274
1883	=item $hashref = cf::db_get $family
1884
1885	Return a hashref for use by the extension C<$family>, which can be
1886	modified. After modifications, you have to call C<cf::db_dirty> or
1887	C<cf::db_sync>.
1888
1889	=item $value = cf::db_get $family => $key	2275	=item $value = cf::db_get $family => $key
1890		2276
1891	Returns a single value from the database	2277	Returns a single value from the database.
1892
1893	=item cf::db_put $family => $hashref
1894
1895	Stores the given family hashref into the database. Updates are delayed, if
1896	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1897		2278
1898	=item cf::db_put $family => $key => $value	2279	=item cf::db_put $family => $key => $value
1899		2280
1900	Stores the given C<$value> in the family hash. Updates are delayed, if you	2281	Stores the given C<$value> in the family.
1901	want the data to be synced to disk immediately, use C<cf::db_sync>.
1902
1903	=item cf::db_dirty
1904
1905	Marks the database as dirty, to be updated at a later time.
1906
1907	=item cf::db_sync
1908
1909	Immediately write the database to disk I<if it is dirty>.
1910		2282
1911	=cut	2283	=cut
1912		2284
1913	our $DB;	2285	our $DB;
1914		2286
1915	{	2287	sub db_init {
		2288	unless ($DB) {
		2289	$DB = BDB::db_create $DB_ENV;
		2290
		2291	cf::sync_job {
		2292	eval {
		2293	$DB->set_flags (BDB::CHKSUM);
		2294
		2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2297	cf::cleanup "db_open(db): $!" if $!;
		2298	};
		2299	cf::cleanup "db_open(db): $@" if $@;
		2300	};
		2301
1916	my $path = cf::localdir . "/database.pst";	2302	my $path = cf::localdir . "/database.pst";
		2303	if (stat $path) {
		2304	cf::sync_job {
		2305	my $pst = Storable::retrieve $path;
1917		2306
1918	sub db_load() {	2307	cf::db_put (board => data => $pst->{board});
1919	$DB = stat $path ? Storable::retrieve $path : { };	2308	cf::db_put (guildrules => data => $pst->{guildrules});
1920	}	2309	cf::db_put (rent => balance => $pst->{rent}{balance});
		2310	BDB::db_env_txn_checkpoint $DB_ENV;
1921		2311
1922	my $pid;	2312	unlink $path;
1923
1924	sub db_save() {
1925	waitpid $pid, 0 if $pid;
1926	if (0 == ($pid = fork)) {
1927	$DB->{_meta}{version} = 1;
1928	Storable::nstore $DB, "$path~";
1929	rename "$path~", $path;
1930	cf::_exit 0 if defined $pid;
1931	}	2313	};
1932	}
1933
1934	my $dirty;
1935
1936	sub db_sync() {
1937	db_save if $dirty;
1938	undef $dirty;
1939	}
1940
1941	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1942	db_sync;
1943	});
1944
1945	sub db_dirty() {
1946	$dirty = 1;
1947	$idle->start;
1948	}
1949
1950	sub db_get($;$) {
1951	@_ >= 2
1952	? $DB->{$_[0]}{$_[1]}
1953	: ($DB->{$_[0]} ||= { })
1954	}
1955
1956	sub db_put($$;$) {
1957	if (@_ >= 3) {
1958	$DB->{$_[0]}{$_[1]} = $_[2];
1959	} else {
1960	$DB->{$_[0]} = $_[1];
1961	}
1962	db_dirty;
1963	}
1964
1965	cf::global->attach (
1966	prio => 10000,
1967	on_cleanup => sub {
1968	db_sync;
1969	},	2314	}
1970	);	2315	}
		2316	}
		2317
		2318	sub db_get($$) {
		2319	my $key = "$_[0]/$_[1]";
		2320
		2321	cf::sync_job {
		2322	BDB::db_get $DB, undef, $key, my $data;
		2323
		2324	$! ? ()
		2325	: Compress::LZF::sthaw $data
		2326	}
		2327	}
		2328
		2329	sub db_put($$$) {
		2330	BDB::dbreq_pri 4;
		2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1971	}	2332	}
1972		2333
1973	#############################################################################	2334	#############################################################################
1974	# the server's main()	2335	# the server's init and main functions
		2336
		2337	sub load_facedata {
		2338	my $path = sprintf "%s/facedata", cf::datadir;
		2339
		2340	warn "loading facedata from $path\n";
		2341
		2342	my $facedata;
		2343	0 < aio_load $path, $facedata
		2344	or die "$path: $!";
		2345
		2346	$facedata = Coro::Storable::thaw $facedata;
		2347
		2348	$facedata->{version} == 2
		2349	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2350
		2351	{
		2352	my $faces = $facedata->{faceinfo};
		2353
		2354	while (my ($face, $info) = each %$faces) {
		2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2359	Coro::cede;
		2360	}
		2361
		2362	while (my ($face, $info) = each %$faces) {
		2363	next unless $info->{smooth};
		2364	my $idx = cf::face::find $face
		2365	or next;
		2366	if (my $smooth = cf::face::find $info->{smooth}) {
		2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2368	} else {
		2369	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2370	}
		2371	Coro::cede;
		2372	}
		2373	}
		2374
		2375	{
		2376	my $anims = $facedata->{animinfo};
		2377
		2378	while (my ($anim, $info) = each %$anims) {
		2379	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2380	Coro::cede;
		2381	}
		2382
		2383	cf::anim::invalidate_all; # d'oh
		2384	}
		2385
		2386	1
		2387	}
		2388
		2389	sub load_archetypes {
		2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable
		2391	load_archetype_file sprintf "%s/archetypes", cf::datadir
		2392	}
		2393
		2394	sub load_treasures {
		2395	load_treasure_file sprintf "%s/treasures", cf::datadir
		2396	}
		2397
		2398	sub reload_resources {
		2399	warn "reloading resource files...\n";
		2400
		2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2402	or die "unable to load regions file\n";
		2403	load_facedata
		2404	or die "unable to load facedata\n";
		2405	load_archetypes
		2406	or die "unable to load archetypes\n";
		2407	load_treasures
		2408	or die "unable to load treasurelists\n";
		2409
		2410	warn "finished reloading resource files\n";
		2411	}
		2412
		2413	sub init {
		2414	reload_resources;
		2415	}
1975		2416
1976	sub cfg_load {	2417	sub cfg_load {
1977	open my $fh, "<:utf8", cf::confdir . "/config"	2418	open my $fh, "<:utf8", cf::confdir . "/config"
1978	or return;	2419	or return;
1979		2420
1980	local $/;	2421	local $/;
1981	*CFG = YAML::Syck::Load <$fh>;	2422	*CFG = YAML::Syck::Load <$fh>;
1982		2423
1983	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2424	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1984		2425
		2426	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2427	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2428
1985	if (exists $CFG{mlockall}) {	2429	if (exists $CFG{mlockall}) {
1986	eval {	2430	eval {
1987	$CFG{mlockall} ? &mlockall : &munlockall	2431	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1988	and die "WARNING: m(un)lockall failed: $!\n";	2432	and die "WARNING: m(un)lockall failed: $!\n";
1989	};	2433	};
1990	warn $@ if $@;	2434	warn $@ if $@;
1991	}	2435	}
1992	}	2436	}
1993		2437
1994	sub main {	2438	sub main {
1995	# we must not ever block the main coroutine	2439	# we must not ever block the main coroutine
1996	local $Coro::idle = sub {	2440	local $Coro::idle = sub {
1997	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1998	(Coro::unblock_sub {	2442	(async {
1999	Event::one_event;	2443	Event::one_event;
2000	})->();	2444	})->prio (Coro::PRIO_MAX);
2001	};	2445	};
2002		2446
2003	cfg_load;	2447	cfg_load;
2004	db_load;	2448	db_init;
2005	load_extensions;	2449	load_extensions;
		2450
		2451	$TICK_WATCHER->start;
2006	Event::loop;	2452	Event::loop;
2007	}	2453	}
2008		2454
2009	#############################################################################	2455	#############################################################################
2010	# initialisation	2456	# initialisation and cleanup
		2457
		2458	# install some emergency cleanup handlers
		2459	BEGIN {
		2460	for my $signal (qw(INT HUP TERM)) {
		2461	Event->signal (
		2462	reentrant => 0,
		2463	data => WF_AUTOCANCEL,
		2464	signal => $signal,
		2465	prio => 0,
		2466	cb => sub {
		2467	cf::cleanup "SIG$signal";
		2468	},
		2469	);
		2470	}
		2471	}
		2472
		2473	sub emergency_save() {
		2474	my $freeze_guard = cf::freeze_mainloop;
		2475
		2476	warn "enter emergency perl save\n";
		2477
		2478	cf::sync_job {
		2479	# use a peculiar iteration method to avoid tripping on perl
		2480	# refcount bugs in for. also avoids problems with players
		2481	# and maps saved/destroyed asynchronously.
		2482	warn "begin emergency player save\n";
		2483	for my $login (keys %cf::PLAYER) {
		2484	my $pl = $cf::PLAYER{$login} or next;
		2485	$pl->valid or next;
		2486	$pl->save;
		2487	}
		2488	warn "end emergency player save\n";
		2489
		2490	warn "begin emergency map save\n";
		2491	for my $path (keys %cf::MAP) {
		2492	my $map = $cf::MAP{$path} or next;
		2493	$map->valid or next;
		2494	$map->save;
		2495	}
		2496	warn "end emergency map save\n";
		2497
		2498	warn "begin emergency database checkpoint\n";
		2499	BDB::db_env_txn_checkpoint $DB_ENV;
		2500	warn "end emergency database checkpoint\n";
		2501	};
		2502
		2503	warn "leave emergency perl save\n";
		2504	}
		2505
		2506	sub post_cleanup {
		2507	my ($make_core) = @_;
		2508
		2509	warn Carp::longmess "post_cleanup backtrace"
		2510	if $make_core;
		2511	}
2011		2512
2012	sub reload() {	2513	sub reload() {
2013	# can/must only be called in main	2514	# can/must only be called in main
2014	if ($Coro::current != $Coro::main) {	2515	if ($Coro::current != $Coro::main) {
2015	warn "can only reload from main coroutine\n";	2516	warn "can only reload from main coroutine";
2016	return;	2517	return;
2017	}	2518	}
2018		2519
2019	warn "reloading...";	2520	warn "reloading...";
2020		2521
2021	my $guard = freeze_mainloop;	2522	warn "entering sync_job";
		2523
		2524	cf::sync_job {
		2525	cf::write_runtime; # external watchdog should not bark
2022	cf::emergency_save;	2526	cf::emergency_save;
		2527	cf::write_runtime; # external watchdog should not bark
2023		2528
2024	eval {	2529	warn "syncing database to disk";
		2530	BDB::db_env_txn_checkpoint $DB_ENV;
		2531
2025	# if anything goes wrong in here, we should simply crash as we already saved	2532	# if anything goes wrong in here, we should simply crash as we already saved
2026		2533
2027	# cancel all watchers	2534	warn "cancelling all WF_AUTOCANCEL watchers";
2028	for (Event::all_watchers) {	2535	for (Event::all_watchers) {
2029	$_->cancel if $_->data & WF_AUTOCANCEL;	2536	$_->cancel if $_->data & WF_AUTOCANCEL;
2030	}	2537	}
2031		2538
		2539	warn "flushing outstanding aio requests";
		2540	for (;;) {
		2541	BDB::flush;
		2542	IO::AIO::flush;
		2543	Coro::cede;
		2544	last unless IO::AIO::nreqs || BDB::nreqs;
		2545	warn "iterate...";
		2546	}
		2547
		2548	++$RELOAD;
		2549
2032	# cancel all extension coros	2550	warn "cancelling all extension coros";
2033	$_->cancel for values %EXT_CORO;	2551	$_->cancel for values %EXT_CORO;
2034	%EXT_CORO = ();	2552	%EXT_CORO = ();
2035		2553
2036	# unload all extensions	2554	warn "removing commands";
2037	for (@exts) {	2555	%COMMAND = ();
		2556
		2557	warn "removing ext commands";
		2558	%EXTCMD = ();
		2559
		2560	warn "unloading/nuking all extensions";
		2561	for my $pkg (@EXTS) {
2038	warn "unloading <$_>";	2562	warn "... unloading $pkg";
2039	unload_extension $_;	2563
		2564	if (my $cb = $pkg->can ("unload")) {
		2565	eval {
		2566	$cb->($pkg);
		2567	1
		2568	} or warn "$pkg unloaded, but with errors: $@";
2040	}	2569	}
2041		2570
		2571	warn "... nuking $pkg";
		2572	Symbol::delete_package $pkg;
		2573	}
		2574
2042	# unload all modules loaded from $LIBDIR	2575	warn "unloading all perl modules loaded from $LIBDIR";
2043	while (my ($k, $v) = each %INC) {	2576	while (my ($k, $v) = each %INC) {
2044	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2577	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2045		2578
2046	warn "removing <$k>";	2579	warn "... unloading $k";
2047	delete $INC{$k};	2580	delete $INC{$k};
2048		2581
2049	$k =~ s/\.pm$//;	2582	$k =~ s/\.pm$//;
2050	$k =~ s/\//::/g;	2583	$k =~ s/\//::/g;
2051		2584
…		…
2054	}	2587	}
2055		2588
2056	Symbol::delete_package $k;	2589	Symbol::delete_package $k;
2057	}	2590	}
2058		2591
2059	# sync database to disk
2060	cf::db_sync;
2061	IO::AIO::flush;
2062
2063	# get rid of safe::, as good as possible	2592	warn "getting rid of safe::, as good as possible";
2064	Symbol::delete_package "safe::$_"	2593	Symbol::delete_package "safe::$_"
2065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2594	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2066		2595
2067	# remove register_script_function callbacks
2068	# TODO
2069
2070	# unload cf.pm "a bit"	2596	warn "unloading cf.pm \"a bit\"";
2071	delete $INC{"cf.pm"};	2597	delete $INC{"cf.pm"};
2072		2598
2073	# don't, removes xs symbols, too,	2599	# don't, removes xs symbols, too,
2074	# and global variables created in xs	2600	# and global variables created in xs
2075	#Symbol::delete_package __PACKAGE__;	2601	#Symbol::delete_package __PACKAGE__;
2076		2602
2077	# reload cf.pm	2603	warn "unload completed, starting to reload now";
		2604
2078	warn "reloading cf.pm";	2605	warn "reloading cf.pm";
2079	require cf;	2606	require cf;
2080	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2607	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2081		2608
2082	# load config and database again	2609	warn "loading config and database again";
2083	cf::cfg_load;	2610	cf::cfg_load;
2084	cf::db_load;
2085		2611
2086	# load extensions
2087	warn "load extensions";	2612	warn "loading extensions";
2088	cf::load_extensions;	2613	cf::load_extensions;
2089		2614
2090	# reattach attachments to objects	2615	warn "reattaching attachments to objects/players";
2091	warn "reattach";	2616	_global_reattach; # objects, sockets
2092	_global_reattach;	2617	warn "reattaching attachments to maps";
2093	};	2618	reattach $_ for values %MAP;
		2619	warn "reattaching attachments to players";
		2620	reattach $_ for values %PLAYER;
2094		2621
2095	if ($@) {	2622	warn "loading reloadable resources";
		2623	reload_resources;
		2624
		2625	warn "leaving sync_job";
		2626
		2627	1
		2628	} or do {
2096	warn $@;	2629	warn $@;
2097	warn "error while reloading, exiting.";	2630	warn "error while reloading, exiting.";
2098	exit 1;	2631	exit 1;
2099	}	2632	};
2100		2633
2101	warn "reloaded successfully";	2634	warn "reloaded";
2102	};	2635	};
2103		2636
2104	#############################################################################	2637	our $RELOAD_WATCHER; # used only during reload
2105
2106	unless ($LINK_MAP) {
2107	$LINK_MAP = cf::map::new;
2108
2109	$LINK_MAP->width (41);
2110	$LINK_MAP->height (41);
2111	$LINK_MAP->alloc;
2112	$LINK_MAP->path ("{link}");
2113	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2114	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2115
2116	# dirty hack because... archetypes are not yet loaded
2117	Event->timer (
2118	after => 2,
2119	cb => sub {
2120	$_[0]->w->cancel;
2121
2122	# provide some exits "home"
2123	my $exit = cf::object::new "exit";
2124
2125	$exit->slaying ($EMERGENCY_POSITION->[0]);
2126	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2127	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2128
2129	$LINK_MAP->insert ($exit->clone, 19, 19);
2130	$LINK_MAP->insert ($exit->clone, 19, 20);
2131	$LINK_MAP->insert ($exit->clone, 19, 21);
2132	$LINK_MAP->insert ($exit->clone, 20, 19);
2133	$LINK_MAP->insert ($exit->clone, 20, 21);
2134	$LINK_MAP->insert ($exit->clone, 21, 19);
2135	$LINK_MAP->insert ($exit->clone, 21, 20);
2136	$LINK_MAP->insert ($exit->clone, 21, 21);
2137
2138	$exit->destroy;
2139	});
2140
2141	$LINK_MAP->{deny_save} = 1;
2142	$LINK_MAP->{deny_reset} = 1;
2143
2144	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2145	}
2146
2147	register "<global>", __PACKAGE__;
2148		2638
2149	register_command "reload" => sub {	2639	register_command "reload" => sub {
2150	my ($who, $arg) = @_;	2640	my ($who, $arg) = @_;
2151		2641
2152	if ($who->flag (FLAG_WIZ)) {	2642	if ($who->flag (FLAG_WIZ)) {
2153	$who->message ("start of reload.");	2643	$who->message ("reloading server.");
		2644
		2645	# doing reload synchronously and two reloads happen back-to-back,
		2646	# coro crashes during coro_state_free->destroy here.
		2647
		2648	$RELOAD_WATCHER ||= Event->timer (
		2649	reentrant => 0,
		2650	after => 0,
		2651	data => WF_AUTOCANCEL,
		2652	cb => sub {
2154	reload;	2653	reload;
2155	$who->message ("end of reload.");	2654	undef $RELOAD_WATCHER;
		2655	},
		2656	);
2156	}	2657	}
2157	};	2658	};
2158		2659
2159	unshift @INC, $LIBDIR;	2660	unshift @INC, $LIBDIR;
		2661
		2662	my $bug_warning = 0;
		2663
		2664	our @WAIT_FOR_TICK;
		2665	our @WAIT_FOR_TICK_BEGIN;
		2666
		2667	sub wait_for_tick {
		2668	return unless $TICK_WATCHER->is_active;
		2669	return if $Coro::current == $Coro::main;
		2670
		2671	my $signal = new Coro::Signal;
		2672	push @WAIT_FOR_TICK, $signal;
		2673	$signal->wait;
		2674	}
		2675
		2676	sub wait_for_tick_begin {
		2677	return unless $TICK_WATCHER->is_active;
		2678	return if $Coro::current == $Coro::main;
		2679
		2680	my $signal = new Coro::Signal;
		2681	push @WAIT_FOR_TICK_BEGIN, $signal;
		2682	$signal->wait;
		2683	}
2160		2684
2161	$TICK_WATCHER = Event->timer (	2685	$TICK_WATCHER = Event->timer (
2162	reentrant => 0,	2686	reentrant => 0,
		2687	parked => 1,
2163	prio => 0,	2688	prio => 0,
2164	at => $NEXT_TICK || $TICK,	2689	at => $NEXT_TICK || $TICK,
2165	data => WF_AUTOCANCEL,	2690	data => WF_AUTOCANCEL,
2166	cb => sub {	2691	cb => sub {
		2692	if ($Coro::current != $Coro::main) {
		2693	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2694	unless ++$bug_warning > 10;
		2695	return;
		2696	}
		2697
		2698	$NOW = Event::time;
		2699
2167	cf::server_tick; # one server iteration	2700	cf::server_tick; # one server iteration
		2701
2168	$RUNTIME += $TICK;	2702	$RUNTIME += $TICK;
2169	$NEXT_TICK += $TICK;	2703	$NEXT_TICK += $TICK;
2170		2704
		2705	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2706	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2707	Coro::async_pool {
		2708	write_runtime
		2709	or warn "ERROR: unable to write runtime file: $!";
		2710	};
		2711	}
		2712
		2713	# my $AFTER = Event::time;
		2714	# warn $AFTER - $NOW;#d#
		2715
2171	# if we are delayed by four ticks or more, skip them all	2716	# if we are delayed by four ticks or more, skip them all
2172	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2717	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2173		2718
2174	$TICK_WATCHER->at ($NEXT_TICK);	2719	$TICK_WATCHER->at ($NEXT_TICK);
2175	$TICK_WATCHER->start;	2720	$TICK_WATCHER->start;
		2721
		2722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2723	$sig->send;
		2724	}
		2725	while (my $sig = shift @WAIT_FOR_TICK) {
		2726	$sig->send;
		2727	}
		2728
		2729	_post_tick;
2176	},	2730	},
2177	);	2731	);
2178		2732
		2733	{
2179	IO::AIO::max_poll_time $TICK * 0.2;	2734	BDB::max_poll_time $TICK * 0.1;
2180		2735	$BDB_POLL_WATCHER = Event->io (
2181	Event->io (	2736	reentrant => 0,
2182	fd => IO::AIO::poll_fileno,	2737	fd => BDB::poll_fileno,
2183	poll => 'r',	2738	poll => 'r',
2184	prio => 5,	2739	prio => 0,
2185	data => WF_AUTOCANCEL,
2186	cb => \&IO::AIO::poll_cb,
2187	);
2188
2189	Event->timer (
2190	data => WF_AUTOCANCEL,	2740	data => WF_AUTOCANCEL,
2191	after => 0,	2741	cb => \&BDB::poll_cb,
2192	interval => 10,	2742	);
2193	cb => sub {	2743	BDB::min_parallel 8;
2194	(Coro::unblock_sub {	2744
2195	write_runtime	2745	BDB::set_sync_prepare {
2196	or warn "ERROR: unable to write runtime file: $!";	2746	my $status;
		2747	my $current = $Coro::current;
		2748	(
		2749	sub {
		2750	$status = $!;
		2751	$current->ready; undef $current;
		2752	},
		2753	sub {
		2754	Coro::schedule while defined $current;
		2755	$! = $status;
		2756	},
		2757	)
		2758	};
		2759
		2760	unless ($DB_ENV) {
		2761	$DB_ENV = BDB::db_env_create;
		2762
		2763	cf::sync_job {
		2764	eval {
		2765	BDB::db_env_open
		2766	$DB_ENV,
		2767	$BDB_ENV_DIR,
		2768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2770	0666;
		2771
		2772	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2773
		2774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2775	$DB_ENV->set_lk_detect;
		2776	};
		2777
		2778	cf::cleanup "db_env_open(db): $@" if $@;
2197	})->();	2779	};
2198	},	2780	}
2199	);	2781	}
		2782
		2783	{
		2784	IO::AIO::min_parallel 8;
		2785
		2786	undef $Coro::AIO::WATCHER;
		2787	IO::AIO::max_poll_time $TICK * 0.1;
		2788	$AIO_POLL_WATCHER = Event->io (
		2789	reentrant => 0,
		2790	data => WF_AUTOCANCEL,
		2791	fd => IO::AIO::poll_fileno,
		2792	poll => 'r',
		2793	prio => 6,
		2794	cb => \&IO::AIO::poll_cb,
		2795	);
		2796	}
2200		2797
2201	END { cf::emergency_save }	2798	END { cf::emergency_save }
2202		2799
2203	1	2800	1
2204		2801

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines