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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.111 by root, Mon Jan 1 12:28:47 2007 UTC vs.
Revision 1.239 by root, Mon Apr 16 06:23:42 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 3.52 ();
		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;
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 $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
56	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
57		83
58	binmode STDOUT;	84	binmode STDOUT;
59	binmode STDERR;	85	binmode STDERR;
60		86
61	# read virtual server time, if available	87	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	94	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	95	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	96	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	97	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	98	mkdir $RANDOM_MAPS;
		99	mkdir $BDB_ENV_DIR;
73		100
74	# a special map that is always available	101	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		102
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	103	sub cf::map::normalise;
78		104
79	#############################################################################	105	#############################################################################
80		106
81	=head2 GLOBAL VARIABLES	107	=head2 GLOBAL VARIABLES
82		108
…		…
106		132
107	=item %cf::CFG	133	=item %cf::CFG
108		134
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	135	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	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.
111		143
112	=back	144	=back
113		145
114	=cut	146	=cut
115		147
…		…
119	utf8::encode $msg;	151	utf8::encode $msg;
120		152
121	$msg .= "\n"	153	$msg .= "\n"
122	unless $msg =~ /\n$/;	154	unless $msg =~ /\n$/;
123		155
124	LOG llevError, "cfperl: $msg";	156	LOG llevError, $msg;
125	};	157	};
126	}	158	}
127		159
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		179
148	$Event::DIED = sub {	180	$Event::DIED = sub {
149	warn "error in event callback: @_";	181	warn "error in event callback: @_";
150	};	182	};
151		183
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	184	=head2 UTILITY FUNCTIONS
157		185
158	=over 4	186	=over 4
159		187
160	=cut	188	=item dumpval $ref
161		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
162	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
163		212
164	=item $ref = cf::from_json $json	213	=item $ref = cf::from_json $json
165		214
166	Converts a JSON string into the corresponding perl data structure.	215	Converts a JSON string into the corresponding perl data structure.
167		216
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	217	=item $json = cf::to_json $ref
176		218
177	Converts a perl data structure into its JSON representation.	219	Converts a perl data structure into its JSON representation.
178		220
179	=cut	221	=item cf::lock_wait $string
180		222
181	sub to_json($) {	223	Wait until the given lock is available. See cf::lock_acquire.
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	224
183	JSON::Syck::Dump $_[0]	225	=item my $lock = cf::lock_acquire $string
		226
		227	Wait until the given lock is available and then acquires it and returns
		228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		229	for example when the coroutine gets canceled), the lock is automatically
		230	returned.
		231
		232	Lock names should begin with a unique identifier (for example, cf::map::find
		233	uses map_find and cf::map::load uses map_load).
		234
		235	=cut
		236
		237	our %LOCK;
		238
		239	sub lock_wait($) {
		240	my ($key) = @_;
		241
		242	# wait for lock, if any
		243	while ($LOCK{$key}) {
		244	push @{ $LOCK{$key} }, $Coro::current;
		245	Coro::schedule;
		246	}
184	}	247	}
		248
		249	sub lock_acquire($) {
		250	my ($key) = @_;
		251
		252	# wait, to be sure we are not locked
		253	lock_wait $key;
		254
		255	$LOCK{$key} = [];
		256
		257	Coro::guard {
		258	# wake up all waiters, to be on the safe side
		259	$_->ready for @{ delete $LOCK{$key} };
		260	}
		261	}
		262
		263	sub freeze_mainloop {
		264	return unless $TICK_WATCHER->is_active;
		265
		266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	};
		269	$TICK_WATCHER->stop;
		270	$guard
		271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
185		282
186	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
187		284
188	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
197	=cut	294	=cut
198		295
199	sub sync_job(&) {	296	sub sync_job(&) {
200	my ($job) = @_;	297	my ($job) = @_;
201		298
202	my $busy = 1;
203	my @res;
204
205	my $coro = Coro::async {
206	@res = eval { $job->() };
207	warn $@ if $@;
208	undef $busy;
209	};
210
211	if ($Coro::current == $Coro::main) {	299	if ($Coro::current == $Coro::main) {
		300	# this is the main coro, too bad, we have to block
		301	# till the operation succeeds, freezing the server :/
		302
212	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	304	# (but this is cancel-safe)
		305	my $freeze_guard = freeze_mainloop;
		306
		307	my $busy = 1;
		308	my @res;
		309
		310	(async {
		311	@res = eval { $job->() };
		312	warn $@ if $@;
		313	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
		315
215	while ($busy) {	316	while ($busy) {
216	Coro::cede_notself;	317	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	318	}
		319
		320	wantarray ? @res : $res[0]
219	} else {	321	} else {
220	$coro->join;	322	# we are in another coroutine, how wonderful, everything just works
		323
		324	$job->()
221	}	325	}
222
223	wantarray ? @res : $res[0]
224	}	326	}
225		327
226	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
227		329
228	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
229	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
230		332
231	=cut	333	=cut
232		334
233	sub coro(&) {	335	sub async_ext(&) {
234	my $cb = shift;	336	my $cb = shift;
235		337
236	my $coro; $coro = async {	338	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		339
243	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
245	});	342	});
246	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
247		344
248	$coro	345	$coro
249	}	346	}
250		347
251	sub write_runtime {	348	sub write_runtime {
		349	my $guard = cf::lock_acquire "write_runtime";
		350
252	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
253		352
254	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
255	or return;	354	or return;
256		355
257	my $value = $cf::RUNTIME;	356	my $value = $cf::RUNTIME + 90 + 10;
		357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
258	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;	361	and return;
260		362
		363	# always fsync - this file is important
261	aio_fsync $fh	364	aio_fsync $fh
262	and return;	365	and return;
263		366
264	close $fh	367	close $fh
265	or return;	368	or return;
…		…
268	and return;	371	and return;
269		372
270	1	373	1
271	}	374	}
272		375
		376	=item cf::datalog type => key => value, ...
		377
		378	Log a datalog packet of the given type with the given key-value pairs.
		379
		380	=cut
		381
		382	sub datalog($@) {
		383	my ($type, %kv) = @_;
		384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		385	}
		386
273	=back	387	=back
274		388
275	=cut	389	=cut
276
277	#############################################################################
278
279	package cf::path;
280
281	sub new {
282	my ($class, $path, $base) = @_;
283
284	$path = $path->as_string if ref $path;
285
286	my $self = bless { }, $class;
287
288	if ($path =~ s{^\?random/}{}) {
289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
290	$self->{random} = cf::from_json $data;
291	} else {
292	if ($path =~ s{^~([^/]+)?}{}) {
293	$self->{user_rel} = 1;
294
295	if (defined $1) {
296	$self->{user} = $1;
297	} elsif ($base =~ m{^~([^/]+)/}) {
298	$self->{user} = $1;
299	} else {
300	warn "cannot resolve user-relative path without user <$path,$base>\n";
301	}
302	} elsif ($path =~ /^\//) {
303	# already absolute
304	} else {
305	$base =~ s{[^/]+/?$}{};
306	return $class->new ("$base/$path");
307	}
308
309	for ($path) {
310	redo if s{/\.?/}{/};
311	redo if s{/[^/]+/\.\./}{/};
312	}
313	}
314
315	$self->{path} = $path;
316
317	$self
318	}
319
320	# the name / primary key / in-game path
321	sub as_string {
322	my ($self) = @_;
323
324	$self->{user_rel} ? "~$self->{user}$self->{path}"
325	: $self->{random} ? "?random/$self->{path}"
326	: $self->{path}
327	}
328
329	# the displayed name, this is a one way mapping
330	sub visible_name {
331	my ($self) = @_;
332
333	# if (my $rmp = $self->{random}) {
334	# # todo: be more intelligent about this
335	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
336	# } else {
337	$self->as_string
338	# }
339	}
340
341	# escape the /'s in the path
342	sub _escaped_path {
343	# ∕ is U+2215
344	(my $path = $_[0]{path}) =~ s/\//∕/g;
345	$path
346	}
347
348	# the original (read-only) location
349	sub load_path {
350	my ($self) = @_;
351
352	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
353	}
354
355	# the temporary/swap location
356	sub save_path {
357	my ($self) = @_;
358
359	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
360	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
361	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
362	}
363
364	# the unique path, might be eq to save_path
365	sub uniq_path {
366	my ($self) = @_;
367
368	$self->{user_rel} || $self->{random}
369	? undef
370	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
371	}
372
373	# return random map parameters, or undef
374	sub random_map_params {
375	my ($self) = @_;
376
377	$self->{random}
378	}
379
380	# this is somewhat ugly, but style maps do need special treatment
381	sub is_style_map {
382	$_[0]{path} =~ m{^/styles/}
383	}
384
385	package cf;
386		390
387	#############################################################################	391	#############################################################################
388		392
389	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
390		394
…		…
516	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
517	our @CB_MAP = ();	521	our @CB_MAP = ();
518		522
519	my %attachment;	523	my %attachment;
520		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
521	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
522	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
523		533
524	use sort 'stable';	534	use sort 'stable';
525		535
…		…
696	# object support	706	# object support
697		707
698	sub reattach {	708	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		713
702	my $registry = $obj->registry;	714	my $registry = $obj->registry;
703		715
704	@$registry = ();	716	@$registry = ();
705		717
…		…
752	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
753		765
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	770	close $fh;
759		771
760	if (@$objs) {	772	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	778	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
768	}	780	}
769	} else {	781	} else {
770	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
798	or return;	810	or return;
799		811
800	unless (aio_stat "$filename.pst") {	812	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	813	(aio_load "$filename.pst", $av) >= 0
802	or return;	814	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	815	$av = eval { (Storable::thaw $av)->{objs} };
804	}	816	}
805		817
		818	warn sprintf "loading %s (%d)\n",
		819	$filename, length $data, scalar @{$av || []};#d#
806	return ($data, $av);	820	return ($data, $av);
807	}	821	}
808		822
809	#############################################################################	823	#############################################################################
810	# command handling &c	824	# command handling &c
…		…
835	=cut	849	=cut
836		850
837	sub register_extcmd {	851	sub register_extcmd {
838	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
839		853
840	my $caller = caller;
841	#warn "registering extcmd '$name' to '$caller'";
842
843	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
844	}	855	}
845		856
846	cf::player->attach (	857	cf::player->attach (
847	on_command => sub {	858	on_command => sub {
848	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
861		872
862	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
863		874
864	if (ref $msg) {	875	if (ref $msg) {
865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
866	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
867	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
868	}	879	}
869	}	880	}
870	} else {	881	} else {
871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
873		884
874	cf::override;	885	cf::override;
875	},	886	},
876	);	887	);
877		888
878	sub register {
879	my ($base, $pkg) = @_;
880
881	#TODO
882	}
883
884	sub load_extension {	889	sub load_extension {
885	my ($path) = @_;	890	my ($path) = @_;
886		891
887	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
888	my $base = $1;	893	my $base = $1;
889	my $pkg = $1;	894	my $pkg = $1;
890	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
891	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
892		897
893	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
894		899
895	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
896	or die "$path: $!";	901	or die "$path: $!";
897		902
898	my $source =	903	my $source =
899	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
900	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
901	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
902	. "\n};\n1";	907	. "\n};\n1";
903		908
904	eval $source	909	unless (eval $source) {
905	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
906	: "extension disabled.\n";	911	: "extension disabled.\n";
907		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
908	push @exts, $pkg;	913	warn $@;
909	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
910		915	exit 1;
911	# no strict 'refs';	916	}
912	# @{"$pkg\::ISA"} = ext::;	917	die $@;
913
914	register $base, $pkg;
915	}
916
917	sub unload_extension {
918	my ($pkg) = @_;
919
920	warn "removing extension $pkg\n";
921
922	# remove hooks
923	#TODO
924	# for my $idx (0 .. $#PLUGIN_EVENT) {
925	# delete $hook[$idx]{$pkg};
926	# }	918	}
927		919
928	# remove commands	920	push @EXTS, $pkg;
929	for my $name (keys %COMMAND) {
930	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
931
932	if (@cb) {
933	$COMMAND{$name} = \@cb;
934	} else {
935	delete $COMMAND{$name};
936	}
937	}
938
939	# remove extcmds
940	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
941	delete $EXTCMD{$name};
942	}
943
944	if (my $cb = $pkg->can ("unload")) {
945	eval {
946	$cb->($pkg);
947	1
948	} or warn "$pkg unloaded, but with errors: $@";
949	}
950
951	Symbol::delete_package $pkg;
952	}	921	}
953		922
954	sub load_extensions {	923	sub load_extensions {
955	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
956	next unless -r $ext;	925	next unless -r $ext;
…		…
960	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
961	}	930	}
962	}	931	}
963		932
964	#############################################################################	933	#############################################################################
965	# load/save/clean perl data associated with a map
966
967	*cf::mapsupport::on_clean = sub {
968	my ($map) = @_;
969
970	my $path = $map->tmpname;
971	defined $path or return;
972
973	unlink "$path.pst";
974	};
975
976	cf::map->attach (prio => -10000, package => cf::mapsupport::);
977
978	#############################################################################
979	# load/save perl data associated with player->ob objects
980
981	sub all_objects(@) {
982	@_, map all_objects ($_->inv), @_
983	}
984
985	# TODO: compatibility cruft, remove when no longer needed
986	cf::player->attach (
987	on_load => sub {
988	my ($pl, $path) = @_;
989
990	for my $o (all_objects $pl->ob) {
991	if (my $value = $o->get_ob_key_value ("_perl_data")) {
992	$o->set_ob_key_value ("_perl_data");
993
994	%$o = %{ Storable::thaw pack "H*", $value };
995	}
996	}
997	},
998	);
999
1000	#############################################################################
1001		934
1002	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1003		936
1004	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1005		938
		939	=cut
		940
		941	package cf::player;
		942
		943	use Coro::AIO;
		944
1006	=head3 cf::player	945	=head3 cf::player
1007		946
1008	=over 4	947	=over 4
1009		948
1010	=item cf::player::exists $login	949	=item cf::player::find $login
1011		950
1012	Returns true when the given account exists.	951	Returns the given player object, loading it if necessary (might block).
1013		952
1014	=cut	953	=cut
1015		954
1016	sub cf::player::exists($) {	955	sub playerdir($) {
1017	cf::player::find $_[0]	956	cf::localdir
1018	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])
1019	}	961	}
1020		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
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1134	=item $player->ext_reply ($msgid, %msg)
1022		1135
1023	Sends an ext reply to the player.	1136	Sends an ext reply to the player.
1024		1137
1025	=cut	1138	=cut
1026		1139
1027	sub cf::player::ext_reply($$$%) {	1140	sub ext_reply($$%) {
1028	my ($self, $id, %msg) = @_;	1141	my ($self, $id, %msg) = @_;
1029		1142
1030	$msg{msgid} = $id;	1143	$msg{msgid} = $id;
1031		1144
1032	$self->send ("ext " . to_json \%msg);	1145	$self->send ("ext " . cf::to_json \%msg);
		1146	}
		1147
		1148	=item $player->ext_event ($type, %msg)
		1149
		1150	Sends an ext event to the client.
		1151
		1152	=cut
		1153
		1154	sub ext_event($$%) {
		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
1033	}	1187	}
1034		1188
1035	=back	1189	=back
1036
1037		1190
1038	=head3 cf::map	1191	=head3 cf::map
1039		1192
1040	=over 4	1193	=over 4
1041		1194
…		…
1044	package cf::map;	1197	package cf::map;
1045		1198
1046	use Fcntl;	1199	use Fcntl;
1047	use Coro::AIO;	1200	use Coro::AIO;
1048		1201
		1202	use overload
		1203	'""' => \&as_string,
		1204	fallback => 1;
		1205
1049	our $MAX_RESET = 7200;	1206	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1207	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1208
1054	sub generate_random_map {	1209	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1210	my ($self, $rmp) = @_;
1056
1057	# mit "rum" bekleckern, nicht	1211	# mit "rum" bekleckern, nicht
1058	cf::map::_create_random_map	1212	$self->_create_random_map (
1059	$path,
1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1063	$rmp->{exit_on_final_map},	1216	$rmp->{exit_on_final_map},
1064	$rmp->{xsize}, $rmp->{ysize},	1217	$rmp->{xsize}, $rmp->{ysize},
1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1068	$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},
1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1070	(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, $path
1071	}	1354	}
1072		1355
1073	# and all this just because we cannot iterate over	1356	# and all this just because we cannot iterate over
1074	# all maps in C++...	1357	# all maps in C++...
1075	sub change_all_map_light {	1358	sub change_all_map_light {
1076	my ($change) = @_;	1359	my ($change) = @_;
1077		1360
1078	$_->change_map_light ($change) for values %cf::MAP;	1361	$_->change_map_light ($change)
		1362	for grep $_->outdoor, values %cf::MAP;
1079	}	1363	}
1080		1364
		1365	sub unlink_save {
		1366	my ($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
1081	sub try_load_header($) {	1373	sub load_header_from($) {
1082	my ($path) = @_;	1374	my ($self, $path) = @_;
1083		1375
1084	utf8::encode $path;	1376	utf8::encode $path;
1085	aio_open $path, O_RDONLY, 0	1377	#aio_open $path, O_RDONLY, 0
		1378	# or return;
		1379
		1380	$self->_load_header ($path)
1086	or return;	1381	or return;
1087		1382
1088	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
1089	or return;	1426	or return;
		1427	$self->prepare_orig;
		1428	}
1090		1429
1091	$map->load_header ($path)	1430	$self->default_region (cf::region::find_by_path $self->{path})
1092	or return;	1431	unless $self->default_region;
1093		1432
1094	$map->{load_path} = $path;	1433	1
1095	use Data::Dumper; warn Dumper $map;#d#
1096
1097	$map
1098	}	1434	}
1099		1435
		1436	sub find;
1100	sub find_map {	1437	sub find {
1101	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1102		1439
1103	#warn "find_map<$path,$origin>\n";#d#	1440	$path = normalise $path, $origin && $origin->path;
1104		1441
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1442	cf::lock_wait "map_find:$path";
1106	my $key = $path->as_string;
1107		1443
1108	$cf::MAP{$key} || do {	1444	$cf::MAP{$path} || do {
1109	# do it the slow way	1445	my $guard = cf::lock_acquire "map_find:$path";
1110	my $map = try_load_header $path->save_path;	1446	my $map = new_from_path cf::map $path
1111
1112	if ($map) {
1113	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {
1117	if (my $rmp = $path->random_map_params) {
1118	$map = generate_random_map $key, $rmp;
1119	} else {
1120	$map = try_load_header $path->load_path;
1121	}
1122
1123	$map or return;	1447	or return;
1124		1448
1125	$map->{load_original} = 1;
1126	$map->{instantiate_time} = $cf::RUNTIME;
1127	$map->instantiate;
1128
1129	# per-player maps become, after loading, normal maps
1130	$map->per_player (0) if $path->{user_rel};
1131	}
1132
1133	$map->path ($key);
1134	$map->{path} = $path;
1135	$map->last_access ($cf::RUNTIME);	1449	$map->{last_save} = $cf::RUNTIME;
1136		1450
1137	$map->reset if $map->should_reset;	1451	$map->load_header
		1452	or return;
1138		1453
		1454	if ($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;
		1457	$map->reset;
		1458	undef $guard;
		1459	return find $path;
		1460	}
		1461
1139	$cf::MAP{$key} = $map	1462	$cf::MAP{$path} = $map
1140	}	1463	}
1141	}	1464	}
		1465
		1466	sub pre_load { }
		1467	sub post_load { }
1142		1468
1143	sub load {	1469	sub load {
1144	my ($self) = @_;	1470	my ($self) = @_;
1145		1471
		1472	local $self->{deny_reset} = 1; # loading can take a long time
		1473
		1474	my $path = $self->{path};
		1475	my $guard = cf::lock_acquire "map_load:$path";
		1476
1146	return if $self->in_memory != cf::MAP_SWAPPED;	1477	return if $self->in_memory != cf::MAP_SWAPPED;
1147		1478
1148	$self->in_memory (cf::MAP_LOADING);	1479	$self->in_memory (cf::MAP_LOADING);
1149		1480
1150	my $path = $self->{path};
1151
1152	$self->alloc;	1481	$self->alloc;
		1482
		1483	$self->pre_load;
		1484	Coro::cede;
		1485
1153	$self->load_objects ($self->{load_path}, 1)	1486	$self->_load_objects ($self->{load_path}, 1)
1154	or return;	1487	or return;
1155		1488
1156	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) if delete $self->{load_original};	1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1490	if delete $self->{load_original};
1157		1491
1158	if (my $uniq = $path->uniq_path) {	1492	if (my $uniq = $self->uniq_path) {
1159	utf8::encode $uniq;	1493	utf8::encode $uniq;
1160	if (aio_open $uniq, O_RDONLY, 0) {	1494	if (aio_open $uniq, O_RDONLY, 0) {
1161	$self->clear_unique_items;	1495	$self->clear_unique_items;
1162	$self->load_objects ($uniq, 0);	1496	$self->_load_objects ($uniq, 0);
1163	}	1497	}
1164	}	1498	}
1165		1499
		1500	Coro::cede;
1166	# now do the right thing for maps	1501	# now do the right thing for maps
1167	$self->link_multipart_objects;	1502	$self->link_multipart_objects;
		1503	Coro::cede;
1168		1504
1169	if ($self->{path}->is_style_map) {	1505	unless ($self->{deny_activate}) {
1170	$self->{deny_save} = 1;	1506	$self->decay_objects;
1171	$self->{deny_reset} = 1;
1172	} else {
1173	$self->fix_auto_apply;	1507	$self->fix_auto_apply;
1174	$self->decay_objects;
1175	$self->update_buttons;	1508	$self->update_buttons;
		1509	Coro::cede;
1176	$self->set_darkness_map;	1510	$self->set_darkness_map;
1177	$self->difficulty ($self->estimate_difficulty)	1511	$self->difficulty ($self->estimate_difficulty)
1178	unless $self->difficulty;	1512	unless $self->difficulty;
		1513	Coro::cede;
1179	$self->activate;	1514	$self->activate;
		1515	Coro::cede;
1180	}	1516	}
		1517
		1518	$self->post_load;
		1519	Coro::cede;
1181		1520
1182	$self->in_memory (cf::MAP_IN_MEMORY);	1521	$self->in_memory (cf::MAP_IN_MEMORY);
1183	}	1522	}
1184		1523
1185	sub load_map_sync {	1524	sub customise_for {
		1525	my ($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	$neigh->load;
		1554	}
		1555	}
		1556
		1557	sub find_sync {
1186	my ($path, $origin) = @_;	1558	my ($path, $origin) = @_;
1187		1559
1188	#warn "load_map_sync<$path, $origin>\n";#d#	1560	cf::sync_job { find $path, $origin }
		1561	}
1189		1562
1190	cf::sync_job {	1563	sub do_load_sync {
1191	my $map = cf::map::find_map $path, $origin	1564	my ($map) = @_;
1192	or return;	1565
		1566	cf::sync_job { $map->load };
		1567	}
		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;
1193	$map->load;	1587	$map->load;
1194	$map	1588
		1589	delete $MAP_PREFETCH{$path};
		1590	}
		1591	}
		1592	undef $MAP_PREFETCHER;
1195	}	1593	};
		1594	$MAP_PREFETCHER->prio (6);
		1595
		1596	()
1196	}	1597	}
1197		1598
1198	sub save {	1599	sub save {
1199	my ($self) = @_;	1600	my ($self) = @_;
1200		1601
1201	my $save = $self->{path}->save_path; utf8::encode $save;	1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1202	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1203		1603
1204	$self->{last_save} = $cf::RUNTIME;	1604	$self->{last_save} = $cf::RUNTIME;
1205		1605
1206	return unless $self->dirty;	1606	return unless $self->dirty;
1207		1607
		1608	my $save = $self->save_path; utf8::encode $save;
		1609	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1610
1208	$self->{load_path} = $save;	1611	$self->{load_path} = $save;
1209		1612
1210	return if $self->{deny_save};	1613	return if $self->{deny_save};
1211		1614
1212	warn "saving map ", $self->path;	1615	local $self->{last_access} = $self->last_access;#d#
		1616
		1617	cf::async {
		1618	$_->contr->save for $self->players;
		1619	};
1213		1620
1214	if ($uniq) {	1621	if ($uniq) {
1215	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1216	$self->save_objects ($uniq, cf::IO_UNIQUES);	1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1217	} else {	1624	} else {
1218	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1219	}	1626	}
1220	}	1627	}
1221		1628
1222	sub swap_out {	1629	sub swap_out {
1223	my ($self) = @_;	1630	my ($self) = @_;
		1631
		1632	# save first because save cedes
		1633	$self->save;
		1634
		1635	my $lock = cf::lock_acquire "map_data:" . $self->path;
1224		1636
1225	return if $self->players;	1637	return if $self->players;
1226	return if $self->in_memory != cf::MAP_IN_MEMORY;	1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1227	return if $self->{deny_save};	1639	return if $self->{deny_save};
1228		1640
1229	$self->save;
1230	$self->clear;	1641	$self->clear;
1231	$self->in_memory (cf::MAP_SWAPPED);	1642	$self->in_memory (cf::MAP_SWAPPED);
1232	}	1643	}
1233		1644
		1645	sub reset_at {
		1646	my ($self) = @_;
		1647
		1648	# TODO: safety, remove and allow resettable per-player maps
		1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1650	return 1e99 if $self->{deny_reset};
		1651
		1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1654
		1655	$time + $to
		1656	}
		1657
1234	sub should_reset {	1658	sub should_reset {
1235	my ($map) = @_;
1236
1237	# TODO: safety, remove and allow resettable per-player maps
1238	return if $map->{path}{user_rel};#d#
1239	return if $map->{deny_reset};
1240	#return unless $map->reset_timeout;
1241
1242	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
1243	my $to = $map->reset_timeout || $DEFAULT_RESET;
1244	$to = $MAX_RESET if $to > $MAX_RESET;
1245
1246	$time + $to < $cf::RUNTIME
1247	}
1248
1249	sub unlink_save {
1250	my ($self) = @_;	1659	my ($self) = @_;
1251		1660
1252	utf8::encode (my $save = $self->{path}->save_path);	1661	$self->reset_at <= $cf::RUNTIME
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1255	}	1662	}
1256		1663
1257	sub reset {	1664	sub reset {
1258	my ($self) = @_;	1665	my ($self) = @_;
1259		1666
		1667	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1668
1260	return if $self->players;	1669	return if $self->players;
1261	return if $self->{path}{user_rel};#d#	1670	return if $self->isa ("ext::map_per_player");#d#
1262		1671
1263	warn "resetting map ", $self->path;#d#	1672	warn "resetting map ", $self->path;#d#
1264		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
1265	delete $cf::MAP{$self->path};	1684	delete $cf::MAP{$self->path};
		1685
		1686	$self->clear;
1266		1687
1267	$_->clear_links_to ($self) for values %cf::MAP;	1688	$_->clear_links_to ($self) for values %cf::MAP;
1268		1689
1269	$self->unlink_save;	1690	$self->unlink_save;
1270	$self->destroy;	1691	$self->destroy;
1271	}	1692	}
1272		1693
1273	sub customise_for {	1694	my $nuke_counter = "aaaa";
1274	my ($map, $ob) = @_;
1275		1695
1276	if ($map->per_player) {	1696	sub nuke {
1277	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1697	my ($self) = @_;
1278	}
1279		1698
1280	$map	1699	delete $cf::MAP{$self->path};
1281	}
1282		1700
1283	sub emergency_save {	1701	$self->unlink_save;
1284	local $cf::FREEZE = 1;
1285		1702
1286	warn "enter emergency map save\n";	1703	bless $self, "cf::map";
		1704	delete $self->{deny_reset};
		1705	$self->{deny_save} = 1;
		1706	$self->reset_timeout (1);
		1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1287		1708
1288	cf::sync_job {	1709	$cf::MAP{$self->path} = $self;
1289	warn "begin emergency map save\n";	1710
1290	$_->save for values %cf::MAP;	1711	$self->reset; # polite request, might not happen
		1712	}
		1713
		1714	=item cf::map::unique_maps
		1715
		1716	Returns an arrayref of paths of all shared maps that have
		1717	instantiated unique items. May block.
		1718
		1719	=cut
		1720
		1721	sub unique_maps() {
		1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1723	or return;
		1724
		1725	my @paths;
		1726
		1727	for (@$files) {
		1728	utf8::decode $_;
		1729	next if /\.pst$/;
		1730	next unless /^$PATH_SEP/o;
		1731
		1732	push @paths, cf::map::normalise $_;
1291	};	1733	}
1292		1734
1293	warn "end emergency map save\n";	1735	\@paths
1294	}	1736	}
1295		1737
1296	package cf;	1738	package cf;
1297		1739
1298	=back	1740	=back
1299		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
1300		1768
1301	=head3 cf::object::player	1769	=head3 cf::object::player
1302		1770
1303	=over 4	1771	=over 4
1304		1772
…		…
1340	(ref $cf::CFG{"may_$access"}	1808	(ref $cf::CFG{"may_$access"}
1341	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1809	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1342	: $cf::CFG{"may_$access"})	1810	: $cf::CFG{"may_$access"})
1343	}	1811	}
1344		1812
		1813	=item $player_object->enter_link
		1814
		1815	Freezes the player and moves him/her to a special map (C<{link}>).
		1816
		1817	The player should be reasonably safe there for short amounts of time. You
		1818	I<MUST> call C<leave_link> as soon as possible, though.
		1819
		1820	Will never block.
		1821
		1822	=item $player_object->leave_link ($map, $x, $y)
		1823
		1824	Moves the player out of the special C<{link}> map onto the specified
		1825	map. If the map is not valid (or omitted), the player will be moved back
		1826	to the location he/she was before the call to C<enter_link>, or, if that
		1827	fails, to the emergency map position.
		1828
		1829	Might block.
		1830
		1831	=cut
		1832
		1833	sub link_map {
		1834	unless ($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	$LINK_MAP
		1841	}
		1842
1345	sub cf::object::player::enter_link {	1843	sub cf::object::player::enter_link {
1346	my ($self) = @_;	1844	my ($self) = @_;
1347		1845
1348	return if $self->map == $LINK_MAP;	1846	$self->deactivate_recursive;
1349		1847
		1848	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1849
1350	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1351	if $self->map;	1851	if $self->map;
1352		1852
1353	$self->enter_map ($LINK_MAP, 20, 20);	1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1354	$self->deactivate_recursive;
1355	}	1854	}
1356		1855
1357	sub cf::object::player::leave_link {	1856	sub cf::object::player::leave_link {
1358	my ($self, $map, $x, $y) = @_;	1857	my ($self, $map, $x, $y) = @_;
1359		1858
1360	my $link_pos = delete $self->{_link_pos};	1859	my $link_pos = delete $self->{_link_pos};
1361		1860
1362	unless ($map) {	1861	unless ($map) {
1363	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1364
1365	# restore original map position	1862	# restore original map position
1366	($map, $x, $y) = @{ $link_pos || [] };	1863	($map, $x, $y) = @{ $link_pos || [] };
1367	$map = cf::map::find_map $map;	1864	$map = cf::map::find $map;
1368		1865
1369	unless ($map) {	1866	unless ($map) {
1370	($map, $x, $y) = @$EMERGENCY_POSITION;	1867	($map, $x, $y) = @$EMERGENCY_POSITION;
1371	$map = cf::map::find_map $map	1868	$map = cf::map::find $map
1372	or die "FATAL: cannot load emergency map\n";	1869	or die "FATAL: cannot load emergency map\n";
1373	}	1870	}
1374	}	1871	}
1375		1872
1376	($x, $y) = (-1, -1)	1873	($x, $y) = (-1, -1)
…		…
1379	# use -1 or undef as default coordinates, not 0, 0	1876	# use -1 or undef as default coordinates, not 0, 0
1380	($x, $y) = ($map->enter_x, $map->enter_y)	1877	($x, $y) = ($map->enter_x, $map->enter_y)
1381	if $x <=0 && $y <= 0;	1878	if $x <=0 && $y <= 0;
1382		1879
1383	$map->load;	1880	$map->load;
		1881	$map->load_diag;
1384		1882
		1883	return unless $self->contr->active;
1385	$self->activate_recursive;	1884	$self->activate_recursive;
		1885
		1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1386	$self->enter_map ($map, $x, $y);	1887	$self->enter_map ($map, $x, $y);
1387	}	1888	}
1388		1889
		1890	cf::player->attach (
		1891	on_logout => sub {
		1892	my ($pl) = @_;
		1893
		1894	# abort map switching before logout
		1895	if ($pl->ob->{_link_pos}) {
		1896	cf::sync_job {
		1897	$pl->ob->leave_link
		1898	};
		1899	}
		1900	},
		1901	on_login => sub {
		1902	my ($pl) = @_;
		1903
		1904	# try to abort aborted map switching on player login :)
		1905	# should happen only on crashes
		1906	if ($pl->ob->{_link_pos}) {
		1907	$pl->ob->enter_link;
		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);
		1913	# we need this sleep as the login has a concurrent enter_exit running
		1914	# and this sleep increases chances of the player not ending up in scorn
		1915	Coro::Timer::sleep 1;
		1916	$pl->ob->leave_link;
		1917	})->prio (2);
		1918	}
		1919	},
		1920	);
		1921
1389	=item $player_object->goto_map ($map, $x, $y)	1922	=item $player_object->goto ($path, $x, $y)
1390		1923
1391	=cut	1924	=cut
1392		1925
1393	sub cf::object::player::goto_map {	1926	sub cf::object::player::goto {
1394	my ($self, $path, $x, $y) = @_;	1927	my ($self, $path, $x, $y) = @_;
1395		1928
1396	$self->enter_link;	1929	$self->enter_link;
1397		1930
1398	(Coro::async {	1931	(async {
1399	$path = new cf::path $path;	1932	my $map = eval {
1400
1401	my $map = cf::map::find_map $path->as_string;	1933	my $map = cf::map::find $path;
1402	$map = $map->customise_for ($self) if $map;	1934	$map = $map->customise_for ($self) if $map;
1403
1404	warn "entering ", $map->path, " at ($x, $y)\n"
1405	if $map;	1935	$map
		1936	} or
		1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1406		1938
1407	$self->leave_link ($map, $x, $y);	1939	$self->leave_link ($map, $x, $y);
1408	})->prio (1);	1940	})->prio (1);
1409	}	1941	}
1410		1942
…		…
1414		1946
1415	sub parse_random_map_params {	1947	sub parse_random_map_params {
1416	my ($spec) = @_;	1948	my ($spec) = @_;
1417		1949
1418	my $rmp = { # defaults	1950	my $rmp = { # defaults
1419	xsize => 10,	1951	xsize => (cf::rndm 15, 40),
1420	ysize => 10,	1952	ysize => (cf::rndm 15, 40),
		1953	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1954	#layout => string,
1421	};	1955	};
1422		1956
1423	for (split /\n/, $spec) {	1957	for (split /\n/, $spec) {
1424	my ($k, $v) = split /\s+/, $_, 2;	1958	my ($k, $v) = split /\s+/, $_, 2;
1425		1959
…		…
1429	$rmp	1963	$rmp
1430	}	1964	}
1431		1965
1432	sub prepare_random_map {	1966	sub prepare_random_map {
1433	my ($exit) = @_;	1967	my ($exit) = @_;
		1968
		1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1434		1970
1435	# all this does is basically replace the /! path by	1971	# all this does is basically replace the /! path by
1436	# a new random map path (?random/...) with a seed	1972	# a new random map path (?random/...) with a seed
1437	# that depends on the exit object	1973	# that depends on the exit object
1438		1974
1439	my $rmp = parse_random_map_params $exit->msg;	1975	my $rmp = parse_random_map_params $exit->msg;
1440		1976
1441	if ($exit->map) {	1977	if ($exit->map) {
1442	$rmp->{region} = $exit->map->region_name;	1978	$rmp->{region} = $exit->region->name;
1443	$rmp->{origin_map} = $exit->map->path;	1979	$rmp->{origin_map} = $exit->map->path;
1444	$rmp->{origin_x} = $exit->x;	1980	$rmp->{origin_x} = $exit->x;
1445	$rmp->{origin_y} = $exit->y;	1981	$rmp->{origin_y} = $exit->y;
1446	}	1982	}
1447		1983
1448	$rmp->{random_seed} ||= $exit->random_seed;	1984	$rmp->{random_seed} ||= $exit->random_seed;
1449		1985
1450	my $data = cf::to_json $rmp;	1986	my $data = cf::to_json $rmp;
1451	my $md5 = Digest::MD5::md5_hex $data;	1987	my $md5 = Digest::MD5::md5_hex $data;
		1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1452		1989
1453	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) {
1454	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;
1455		1994
1456	$exit->slaying ("?random/$md5");	1995	$exit->slaying ("?random/$md5");
1457	$exit->msg (undef);	1996	$exit->msg (undef);
1458	}	1997	}
1459	}	1998	}
…		…
1461	sub cf::object::player::enter_exit {	2000	sub cf::object::player::enter_exit {
1462	my ($self, $exit) = @_;	2001	my ($self, $exit) = @_;
1463		2002
1464	return unless $self->type == cf::PLAYER;	2003	return unless $self->type == cf::PLAYER;
1465		2004
		2005	if ($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
1466	$self->enter_link;	2016	$self->enter_link;
1467		2017
1468	(Coro::async {	2018	(async {
		2019	$self->deactivate_recursive; # just to be sure
1469	unless (eval {	2020	unless (eval {
1470		2021	$self->goto ($slaying, $hp, $sp);
1471	prepare_random_map $exit
1472	if $exit->slaying eq "/!";
1473
1474	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1475	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1476		2022
1477	1;	2023	1;
1478	}) {	2024	}) {
1479	$self->message ("Something went wrong deep within the crossfire server. "	2025	$self->message ("Something went wrong deep within the crossfire server. "
1480	. "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. "
1481	. "Please report this to the dungeon master",	2027	. "Please report this to the dungeon master!",
1482	cf::NDI_UNIQUE | cf::NDI_RED);	2028	cf::NDI_UNIQUE | cf::NDI_RED);
1483		2029
1484	warn "ERROR in enter_exit: $@";	2030	warn "ERROR in enter_exit: $@";
1485	$self->leave_link;	2031	$self->leave_link;
1486	}	2032	}
1487	})->prio (1);	2033	})->prio (1);
…		…
1500		2046
1501	sub cf::client::send_drawinfo {	2047	sub cf::client::send_drawinfo {
1502	my ($self, $text, $flags) = @_;	2048	my ($self, $text, $flags) = @_;
1503		2049
1504	utf8::encode $text;	2050	utf8::encode $text;
1505	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1506	}	2052	}
1507		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	}
1508		2066
1509	=item $success = $client->query ($flags, "text", \&cb)	2067	=item $success = $client->query ($flags, "text", \&cb)
1510		2068
1511	Queues a query to the client, calling the given callback with	2069	Queues a query to the client, calling the given callback with
1512	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>,
…		…
1537	on_reply => sub {	2095	on_reply => sub {
1538	my ($ns, $msg) = @_;	2096	my ($ns, $msg) = @_;
1539		2097
1540	# this weird shuffling is so that direct followup queries	2098	# this weird shuffling is so that direct followup queries
1541	# get handled first	2099	# get handled first
1542	my $queue = delete $ns->{query_queue};	2100	my $queue = delete $ns->{query_queue}
		2101	or return; # be conservative, not sure how that can happen, but we saw a crash here
1543		2102
1544	(shift @$queue)->[1]->($msg);	2103	(shift @$queue)->[1]->($msg);
		2104	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1545		2105
1546	push @{ $ns->{query_queue} }, @$queue;	2106	push @{ $ns->{query_queue} }, @$queue;
1547		2107
1548	if (@{ $ns->{query_queue} } == @$queue) {	2108	if (@{ $ns->{query_queue} } == @$queue) {
1549	if (@$queue) {	2109	if (@$queue) {
…		…
1553	}	2113	}
1554	}	2114	}
1555	},	2115	},
1556	);	2116	);
1557		2117
1558	=item $client->coro (\&cb)	2118	=item $client->async (\&cb)
1559		2119
1560	Create a new coroutine, running the specified callback. The coroutine will	2120	Create a new coroutine, running the specified callback. The coroutine will
1561	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,
1562	or loss of connection).	2122	or loss of connection).
1563		2123
1564	=cut	2124	=cut
1565		2125
1566	sub cf::client::coro {	2126	sub cf::client::async {
1567	my ($self, $cb) = @_;	2127	my ($self, $cb) = @_;
1568		2128
1569	my $coro; $coro = async {	2129	my $coro = &Coro::async ($cb);
1570	eval {
1571	$cb->();
1572	};
1573	warn $@ if $@;
1574	};
1575		2130
1576	$coro->on_destroy (sub {	2131	$coro->on_destroy (sub {
1577	delete $self->{_coro}{$coro+0};	2132	delete $self->{_coro}{$coro+0};
1578	});	2133	});
1579		2134
…		…
1612		2167
1613	# here we export the classes and methods available to script code	2168	# here we export the classes and methods available to script code
1614		2169
1615	=pod	2170	=pod
1616		2171
1617	The following fucntions and emthods are available within a safe environment:	2172	The following functions and methods are available within a safe environment:
1618		2173
1619	cf::object contr pay_amount pay_player map	2174	cf::object contr pay_amount pay_player map
1620	cf::object::player player	2175	cf::object::player player
1621	cf::player peaceful	2176	cf::player peaceful
1622	cf::map trigger	2177	cf::map trigger
…		…
1715	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
1716	using it, it should be unique.	2271	using it, it should be unique.
1717		2272
1718	=over 4	2273	=over 4
1719		2274
1720	=item $hashref = cf::db_get $family
1721
1722	Return a hashref for use by the extension C<$family>, which can be
1723	modified. After modifications, you have to call C<cf::db_dirty> or
1724	C<cf::db_sync>.
1725
1726	=item $value = cf::db_get $family => $key	2275	=item $value = cf::db_get $family => $key
1727		2276
1728	Returns a single value from the database	2277	Returns a single value from the database.
1729
1730	=item cf::db_put $family => $hashref
1731
1732	Stores the given family hashref into the database. Updates are delayed, if
1733	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1734		2278
1735	=item cf::db_put $family => $key => $value	2279	=item cf::db_put $family => $key => $value
1736		2280
1737	Stores the given C<$value> in the family hash. Updates are delayed, if you	2281	Stores the given C<$value> in the family.
1738	want the data to be synced to disk immediately, use C<cf::db_sync>.
1739
1740	=item cf::db_dirty
1741
1742	Marks the database as dirty, to be updated at a later time.
1743
1744	=item cf::db_sync
1745
1746	Immediately write the database to disk I<if it is dirty>.
1747		2282
1748	=cut	2283	=cut
1749		2284
1750	our $DB;	2285	our $DB;
1751		2286
1752	{	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
1753	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;
1754		2306
1755	sub db_load() {	2307	cf::db_put (board => data => $pst->{board});
1756	warn "loading database $path\n";#d# remove later	2308	cf::db_put (guildrules => data => $pst->{guildrules});
1757	$DB = stat $path ? Storable::retrieve $path : { };	2309	cf::db_put (rent => balance => $pst->{rent}{balance});
1758	}	2310	BDB::db_env_txn_checkpoint $DB_ENV;
1759		2311
1760	my $pid;	2312	unlink $path;
1761
1762	sub db_save() {
1763	warn "saving database $path\n";#d# remove later
1764	waitpid $pid, 0 if $pid;
1765	if (0 == ($pid = fork)) {
1766	$DB->{_meta}{version} = 1;
1767	Storable::nstore $DB, "$path~";
1768	rename "$path~", $path;
1769	cf::_exit 0 if defined $pid;
1770	}	2313	};
1771	}
1772
1773	my $dirty;
1774
1775	sub db_sync() {
1776	db_save if $dirty;
1777	undef $dirty;
1778	}
1779
1780	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1781	db_sync;
1782	});
1783
1784	sub db_dirty() {
1785	$dirty = 1;
1786	$idle->start;
1787	}
1788
1789	sub db_get($;$) {
1790	@_ >= 2
1791	? $DB->{$_[0]}{$_[1]}
1792	: ($DB->{$_[0]} ||= { })
1793	}
1794
1795	sub db_put($$;$) {
1796	if (@_ >= 3) {
1797	$DB->{$_[0]}{$_[1]} = $_[2];
1798	} else {
1799	$DB->{$_[0]} = $_[1];
1800	}
1801	db_dirty;
1802	}
1803
1804	cf::global->attach (
1805	prio => 10000,
1806	on_cleanup => sub {
1807	db_sync;
1808	},	2314	}
1809	);	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 { };
1810	}	2332	}
1811		2333
1812	#############################################################################	2334	#############################################################################
1813	# 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 reload_resources {
		2390	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2391	or die "unable to load regions file\n";#d#
		2392	load_facedata
		2393	or die "unable to load facedata\n";#d#
		2394	}
		2395
		2396	sub init {
		2397	reload_resources;
		2398	}
1814		2399
1815	sub cfg_load {	2400	sub cfg_load {
1816	open my $fh, "<:utf8", cf::confdir . "/config"	2401	open my $fh, "<:utf8", cf::confdir . "/config"
1817	or return;	2402	or return;
1818		2403
1819	local $/;	2404	local $/;
1820	*CFG = YAML::Syck::Load <$fh>;	2405	*CFG = YAML::Syck::Load <$fh>;
		2406
		2407	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2408
		2409	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2410	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2411
		2412	if (exists $CFG{mlockall}) {
		2413	eval {
		2414	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2415	and die "WARNING: m(un)lockall failed: $!\n";
		2416	};
		2417	warn $@ if $@;
		2418	}
1821	}	2419	}
1822		2420
1823	sub main {	2421	sub main {
1824	# we must not ever block the main coroutine	2422	# we must not ever block the main coroutine
1825	local $Coro::idle = sub {	2423	local $Coro::idle = sub {
1826	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2424	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1827	(Coro::unblock_sub {	2425	(async {
1828	Event::one_event;	2426	Event::one_event;
1829	})->();	2427	})->prio (Coro::PRIO_MAX);
1830	};	2428	};
1831		2429
1832	cfg_load;	2430	cfg_load;
1833	db_load;	2431	db_init;
1834	load_extensions;	2432	load_extensions;
		2433
		2434	$TICK_WATCHER->start;
1835	Event::loop;	2435	Event::loop;
1836	}	2436	}
1837		2437
1838	#############################################################################	2438	#############################################################################
1839	# initialisation	2439	# initialisation and cleanup
		2440
		2441	# install some emergency cleanup handlers
		2442	BEGIN {
		2443	for my $signal (qw(INT HUP TERM)) {
		2444	Event->signal (
		2445	reentrant => 0,
		2446	data => WF_AUTOCANCEL,
		2447	signal => $signal,
		2448	prio => 0,
		2449	cb => sub {
		2450	cf::cleanup "SIG$signal";
		2451	},
		2452	);
		2453	}
		2454	}
		2455
		2456	sub emergency_save() {
		2457	my $freeze_guard = cf::freeze_mainloop;
		2458
		2459	warn "enter emergency perl save\n";
		2460
		2461	cf::sync_job {
		2462	# use a peculiar iteration method to avoid tripping on perl
		2463	# refcount bugs in for. also avoids problems with players
		2464	# and maps saved/destroyed asynchronously.
		2465	warn "begin emergency player save\n";
		2466	for my $login (keys %cf::PLAYER) {
		2467	my $pl = $cf::PLAYER{$login} or next;
		2468	$pl->valid or next;
		2469	$pl->save;
		2470	}
		2471	warn "end emergency player save\n";
		2472
		2473	warn "begin emergency map save\n";
		2474	for my $path (keys %cf::MAP) {
		2475	my $map = $cf::MAP{$path} or next;
		2476	$map->valid or next;
		2477	$map->save;
		2478	}
		2479	warn "end emergency map save\n";
		2480
		2481	warn "begin emergency database checkpoint\n";
		2482	BDB::db_env_txn_checkpoint $DB_ENV;
		2483	warn "end emergency database checkpoint\n";
		2484	};
		2485
		2486	warn "leave emergency perl save\n";
		2487	}
		2488
		2489	sub post_cleanup {
		2490	my ($make_core) = @_;
		2491
		2492	warn Carp::longmess "post_cleanup backtrace"
		2493	if $make_core;
		2494	}
1840		2495
1841	sub reload() {	2496	sub reload() {
1842	# can/must only be called in main	2497	# can/must only be called in main
1843	if ($Coro::current != $Coro::main) {	2498	if ($Coro::current != $Coro::main) {
1844	warn "can only reload from main coroutine\n";	2499	warn "can only reload from main coroutine";
1845	return;	2500	return;
1846	}	2501	}
1847		2502
1848	warn "reloading...";	2503	warn "reloading...";
1849		2504
1850	local $FREEZE = 1;	2505	warn "entering sync_job";
		2506
		2507	cf::sync_job {
		2508	cf::write_runtime; # external watchdog should not bark
1851	cf::emergency_save;	2509	cf::emergency_save;
		2510	cf::write_runtime; # external watchdog should not bark
1852		2511
1853	eval {	2512	warn "syncing database to disk";
		2513	BDB::db_env_txn_checkpoint $DB_ENV;
		2514
1854	# if anything goes wrong in here, we should simply crash as we already saved	2515	# if anything goes wrong in here, we should simply crash as we already saved
1855		2516
1856	# cancel all watchers	2517	warn "cancelling all WF_AUTOCANCEL watchers";
1857	for (Event::all_watchers) {	2518	for (Event::all_watchers) {
1858	$_->cancel if $_->data & WF_AUTOCANCEL;	2519	$_->cancel if $_->data & WF_AUTOCANCEL;
1859	}	2520	}
1860		2521
		2522	warn "flushing outstanding aio requests";
		2523	for (;;) {
		2524	BDB::flush;
		2525	IO::AIO::flush;
		2526	Coro::cede;
		2527	last unless IO::AIO::nreqs || BDB::nreqs;
		2528	warn "iterate...";
		2529	}
		2530
		2531	++$RELOAD;
		2532
1861	# cancel all extension coros	2533	warn "cancelling all extension coros";
1862	$_->cancel for values %EXT_CORO;	2534	$_->cancel for values %EXT_CORO;
1863	%EXT_CORO = ();	2535	%EXT_CORO = ();
1864		2536
1865	# unload all extensions	2537	warn "removing commands";
1866	for (@exts) {	2538	%COMMAND = ();
		2539
		2540	warn "removing ext commands";
		2541	%EXTCMD = ();
		2542
		2543	warn "unloading/nuking all extensions";
		2544	for my $pkg (@EXTS) {
1867	warn "unloading <$_>";	2545	warn "... unloading $pkg";
1868	unload_extension $_;	2546
		2547	if (my $cb = $pkg->can ("unload")) {
		2548	eval {
		2549	$cb->($pkg);
		2550	1
		2551	} or warn "$pkg unloaded, but with errors: $@";
1869	}	2552	}
1870		2553
		2554	warn "... nuking $pkg";
		2555	Symbol::delete_package $pkg;
		2556	}
		2557
1871	# unload all modules loaded from $LIBDIR	2558	warn "unloading all perl modules loaded from $LIBDIR";
1872	while (my ($k, $v) = each %INC) {	2559	while (my ($k, $v) = each %INC) {
1873	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2560	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1874		2561
1875	warn "removing <$k>";	2562	warn "... unloading $k";
1876	delete $INC{$k};	2563	delete $INC{$k};
1877		2564
1878	$k =~ s/\.pm$//;	2565	$k =~ s/\.pm$//;
1879	$k =~ s/\//::/g;	2566	$k =~ s/\//::/g;
1880		2567
…		…
1883	}	2570	}
1884		2571
1885	Symbol::delete_package $k;	2572	Symbol::delete_package $k;
1886	}	2573	}
1887		2574
1888	# sync database to disk
1889	cf::db_sync;
1890	IO::AIO::flush;
1891
1892	# get rid of safe::, as good as possible	2575	warn "getting rid of safe::, as good as possible";
1893	Symbol::delete_package "safe::$_"	2576	Symbol::delete_package "safe::$_"
1894	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2577	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1895		2578
1896	# remove register_script_function callbacks
1897	# TODO
1898
1899	# unload cf.pm "a bit"	2579	warn "unloading cf.pm \"a bit\"";
1900	delete $INC{"cf.pm"};	2580	delete $INC{"cf.pm"};
1901		2581
1902	# don't, removes xs symbols, too,	2582	# don't, removes xs symbols, too,
1903	# and global variables created in xs	2583	# and global variables created in xs
1904	#Symbol::delete_package __PACKAGE__;	2584	#Symbol::delete_package __PACKAGE__;
1905		2585
1906	# reload cf.pm	2586	warn "unload completed, starting to reload now";
		2587
1907	warn "reloading cf.pm";	2588	warn "reloading cf.pm";
1908	require cf;	2589	require cf;
1909	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2590	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1910		2591
1911	# load config and database again	2592	warn "loading config and database again";
1912	cf::cfg_load;	2593	cf::cfg_load;
1913	cf::db_load;
1914		2594
1915	# load extensions
1916	warn "load extensions";	2595	warn "loading extensions";
1917	cf::load_extensions;	2596	cf::load_extensions;
1918		2597
1919	# reattach attachments to objects	2598	warn "reattaching attachments to objects/players";
1920	warn "reattach";	2599	_global_reattach; # objects, sockets
1921	_global_reattach;	2600	warn "reattaching attachments to maps";
1922	};	2601	reattach $_ for values %MAP;
		2602	warn "reattaching attachments to players";
		2603	reattach $_ for values %PLAYER;
1923		2604
1924	if ($@) {	2605	warn "loading reloadable resources";
		2606	reload_resources;
		2607
		2608	warn "leaving sync_job";
		2609
		2610	1
		2611	} or do {
1925	warn $@;	2612	warn $@;
1926	warn "error while reloading, exiting.";	2613	warn "error while reloading, exiting.";
1927	exit 1;	2614	exit 1;
1928	}	2615	};
1929		2616
1930	warn "reloaded successfully";	2617	warn "reloaded";
1931	};	2618	};
1932		2619
1933	#############################################################################	2620	our $RELOAD_WATCHER; # used only during reload
1934
1935	unless ($LINK_MAP) {
1936	$LINK_MAP = cf::map::new;
1937
1938	$LINK_MAP->width (41);
1939	$LINK_MAP->height (41);
1940	$LINK_MAP->alloc;
1941	$LINK_MAP->path ("{link}");
1942	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1943	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1944
1945	# dirty hack because... archetypes are not yet loaded
1946	Event->timer (
1947	after => 2,
1948	cb => sub {
1949	$_[0]->w->cancel;
1950
1951	# provide some exits "home"
1952	my $exit = cf::object::new "exit";
1953
1954	$exit->slaying ($EMERGENCY_POSITION->[0]);
1955	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1956	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1957
1958	$LINK_MAP->insert ($exit->clone, 19, 19);
1959	$LINK_MAP->insert ($exit->clone, 19, 20);
1960	$LINK_MAP->insert ($exit->clone, 19, 21);
1961	$LINK_MAP->insert ($exit->clone, 20, 19);
1962	$LINK_MAP->insert ($exit->clone, 20, 21);
1963	$LINK_MAP->insert ($exit->clone, 21, 19);
1964	$LINK_MAP->insert ($exit->clone, 21, 20);
1965	$LINK_MAP->insert ($exit->clone, 21, 21);
1966
1967	$exit->destroy;
1968	});
1969
1970	$LINK_MAP->{deny_save} = 1;
1971	$LINK_MAP->{deny_reset} = 1;
1972
1973	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1974	}
1975
1976	register "<global>", __PACKAGE__;
1977		2621
1978	register_command "reload" => sub {	2622	register_command "reload" => sub {
1979	my ($who, $arg) = @_;	2623	my ($who, $arg) = @_;
1980		2624
1981	if ($who->flag (FLAG_WIZ)) {	2625	if ($who->flag (FLAG_WIZ)) {
1982	$who->message ("start of reload.");	2626	$who->message ("reloading server.");
		2627
		2628	# doing reload synchronously and two reloads happen back-to-back,
		2629	# coro crashes during coro_state_free->destroy here.
		2630
		2631	$RELOAD_WATCHER ||= Event->timer (
		2632	reentrant => 0,
		2633	after => 0,
		2634	data => WF_AUTOCANCEL,
		2635	cb => sub {
1983	reload;	2636	reload;
1984	$who->message ("end of reload.");	2637	undef $RELOAD_WATCHER;
		2638	},
		2639	);
1985	}	2640	}
1986	};	2641	};
1987		2642
1988	unshift @INC, $LIBDIR;	2643	unshift @INC, $LIBDIR;
		2644
		2645	my $bug_warning = 0;
		2646
		2647	our @WAIT_FOR_TICK;
		2648	our @WAIT_FOR_TICK_BEGIN;
		2649
		2650	sub wait_for_tick {
		2651	my $signal = new Coro::Signal;
		2652	push @WAIT_FOR_TICK, $signal;
		2653	$signal->wait;
		2654	}
		2655
		2656	sub wait_for_tick_begin {
		2657	my $signal = new Coro::Signal;
		2658	push @WAIT_FOR_TICK_BEGIN, $signal;
		2659	$signal->wait;
		2660	}
1989		2661
1990	$TICK_WATCHER = Event->timer (	2662	$TICK_WATCHER = Event->timer (
1991	reentrant => 0,	2663	reentrant => 0,
		2664	parked => 1,
1992	prio => 0,	2665	prio => 0,
1993	at => $NEXT_TICK || $TICK,	2666	at => $NEXT_TICK || $TICK,
1994	data => WF_AUTOCANCEL,	2667	data => WF_AUTOCANCEL,
1995	cb => sub {	2668	cb => sub {
1996	unless ($FREEZE) {	2669	if ($Coro::current != $Coro::main) {
		2670	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2671	unless ++$bug_warning > 10;
		2672	return;
		2673	}
		2674
		2675	$NOW = Event::time;
		2676
1997	cf::server_tick; # one server iteration	2677	cf::server_tick; # one server iteration
1998	$RUNTIME += $TICK;	2678	$RUNTIME += $TICK;
1999	}
2000
2001	$NEXT_TICK += $TICK;	2679	$NEXT_TICK += $TICK;
		2680
		2681	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2682	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2683	Coro::async_pool {
		2684	write_runtime
		2685	or warn "ERROR: unable to write runtime file: $!";
		2686	};
		2687	}
		2688
		2689	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2690	$sig->send;
		2691	}
		2692	while (my $sig = shift @WAIT_FOR_TICK) {
		2693	$sig->send;
		2694	}
		2695
		2696	# my $AFTER = Event::time;
		2697	# warn $AFTER - $NOW;#d#
2002		2698
2003	# if we are delayed by four ticks or more, skip them all	2699	# if we are delayed by four ticks or more, skip them all
2004	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2700	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2005		2701
2006	$TICK_WATCHER->at ($NEXT_TICK);	2702	$TICK_WATCHER->at ($NEXT_TICK);
2007	$TICK_WATCHER->start;	2703	$TICK_WATCHER->start;
2008	},	2704	},
2009	);	2705	);
2010		2706
		2707	{
2011	IO::AIO::max_poll_time $TICK * 0.2;	2708	BDB::max_poll_time $TICK * 0.1;
2012		2709	$BDB_POLL_WATCHER = Event->io (
2013	Event->io (	2710	reentrant => 0,
2014	fd => IO::AIO::poll_fileno,	2711	fd => BDB::poll_fileno,
2015	poll => 'r',	2712	poll => 'r',
2016	prio => 5,	2713	prio => 0,
2017	data => WF_AUTOCANCEL,
2018	cb => \&IO::AIO::poll_cb,
2019	);
2020
2021	Event->timer (
2022	data => WF_AUTOCANCEL,	2714	data => WF_AUTOCANCEL,
2023	after => 0,	2715	cb => \&BDB::poll_cb,
2024	interval => 10,	2716	);
2025	cb => sub {	2717	BDB::min_parallel 8;
2026	(Coro::unblock_sub {	2718
2027	write_runtime	2719	BDB::set_sync_prepare {
2028	or warn "ERROR: unable to write runtime file: $!";	2720	my $status;
		2721	my $current = $Coro::current;
		2722	(
		2723	sub {
		2724	$status = $!;
		2725	$current->ready; undef $current;
		2726	},
		2727	sub {
		2728	Coro::schedule while defined $current;
		2729	$! = $status;
		2730	},
		2731	)
		2732	};
		2733
		2734	unless ($DB_ENV) {
		2735	$DB_ENV = BDB::db_env_create;
		2736
		2737	cf::sync_job {
		2738	eval {
		2739	BDB::db_env_open
		2740	$DB_ENV,
		2741	$BDB_ENV_DIR,
		2742	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2743	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2744	0666;
		2745
		2746	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2747
		2748	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2749	$DB_ENV->set_lk_detect;
		2750	};
		2751
		2752	cf::cleanup "db_env_open(db): $@" if $@;
2029	})->();	2753	};
2030	},	2754	}
2031	);	2755	}
		2756
		2757	{
		2758	IO::AIO::min_parallel 8;
		2759
		2760	undef $Coro::AIO::WATCHER;
		2761	IO::AIO::max_poll_time $TICK * 0.1;
		2762	$AIO_POLL_WATCHER = Event->io (
		2763	reentrant => 0,
		2764	data => WF_AUTOCANCEL,
		2765	fd => IO::AIO::poll_fileno,
		2766	poll => 'r',
		2767	prio => 6,
		2768	cb => \&IO::AIO::poll_cb,
		2769	);
		2770	}
		2771
		2772	END { cf::emergency_save }
2032		2773
2033	1	2774	1
2034		2775

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