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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.139 by root, Fri Jan 5 19:12:03 2007 UTC vs.
Revision 1.256 by root, Sat Apr 21 16:56:32 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
		26	use Data::Dumper;
20	use Digest::MD5;	27	use Digest::MD5;
21	use Fcntl;	28	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	29	use YAML::Syck ();
		30	use IO::AIO 2.32 ();
24	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
25		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
27		41
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
30		44
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		46
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		48
35	our %COMMAND = ();	49	our %COMMAND = ();
36	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
38		56
		57	our $RELOAD; # number of reloads so far
39	our @EVENT;	58	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		59
42	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	76	our $NEXT_TICK;
45	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
46		82
47	our %CFG;	83	our %CFG;
48		84
49	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	86	our $RUNTIME;
51		87
		88	our %PLAYER; # all users
52	our %MAP; # all maps	89	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	91
55	our %EXT_CORO;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
		93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		94
57	binmode STDOUT;	95	binmode STDOUT;
58	binmode STDERR;	96	binmode STDERR;
59		97
60	# read virtual server time, if available	98	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
62	open my $fh, "<", cf::localdir . "/runtime"	100	open my $fh, "<", "$LOCALDIR/runtime"
63	or die "unable to read runtime file: $!";	101	or die "unable to read runtime file: $!";
64	$RUNTIME = <$fh> + 0.;	102	$RUNTIME = <$fh> + 0.;
65	}	103	}
66		104
67	mkdir cf::localdir;	105	mkdir $_
68	mkdir cf::localdir . "/" . cf::playerdir;	106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		107
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	108	our $EMERGENCY_POSITION;
		109
		110	sub cf::map::normalise;
76		111
77	#############################################################################	112	#############################################################################
78		113
79	=head2 GLOBAL VARIABLES	114	=head2 GLOBAL VARIABLES
80		115
…		…
87	=item $cf::RUNTIME	122	=item $cf::RUNTIME
88		123
89	The time this server has run, starts at 0 and is increased by $cf::TICK on	124	The time this server has run, starts at 0 and is increased by $cf::TICK on
90	every server tick.	125	every server tick.
91		126
92	=item $cf::LIBDIR	127	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		128	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		129	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
93		130
94	The perl library directory, where extensions and cf-specific modules can	131	Various directories - "/etc", read-only install directory, perl-library
95	be found. It will be added to C<@INC> automatically.	132	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		133	unique-items directory, player file directory, random maps directory and
		134	database environment.
96		135
97	=item $cf::NOW	136	=item $cf::NOW
98		137
99	The time of the last (current) server tick.	138	The time of the last (current) server tick.
100		139
…		…
104		143
105	=item %cf::CFG	144	=item %cf::CFG
106		145
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	146	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	147	from wherever your confdir points to.
		148
		149	=item cf::wait_for_tick, cf::wait_for_tick_begin
		150
		151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		152	returns directly I<after> the tick processing (and consequently, can only wake one process
		153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
109		154
110	=back	155	=back
111		156
112	=cut	157	=cut
113		158
114	BEGIN {	159	BEGIN {
115	*CORE::GLOBAL::warn = sub {	160	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	161	my $msg = join "", @_;
117	utf8::encode $msg;
118		162
119	$msg .= "\n"	163	$msg .= "\n"
120	unless $msg =~ /\n$/;	164	unless $msg =~ /\n$/;
121		165
		166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	169	LOG llevError, $msg;
123	};	170	};
124	}	171	}
125		172
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		192
146	$Event::DIED = sub {	193	$Event::DIED = sub {
147	warn "error in event callback: @_";	194	warn "error in event callback: @_";
148	};	195	};
149		196
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	197	=head2 UTILITY FUNCTIONS
155		198
156	=over 4	199	=over 4
157		200
158	=cut	201	=item dumpval $ref
159		202
		203	=cut
		204
		205	sub dumpval {
		206	eval {
		207	local $SIG{__DIE__};
		208	my $d;
		209	if (1) {
		210	$d = new Data::Dumper([$_[0]], ["*var"]);
		211	$d->Terse(1);
		212	$d->Indent(2);
		213	$d->Quotekeys(0);
		214	$d->Useqq(1);
		215	#$d->Bless(...);
		216	$d->Seen($_[1]) if @_ > 1;
		217	$d = $d->Dump();
		218	}
		219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		220	$d
		221	} || "[unable to dump $_[0]: '$@']";
		222	}
		223
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161		225
162	=item $ref = cf::from_json $json	226	=item $ref = cf::from_json $json
163		227
164	Converts a JSON string into the corresponding perl data structure.	228	Converts a JSON string into the corresponding perl data structure.
165		229
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	230	=item $json = cf::to_json $ref
174		231
175	Converts a perl data structure into its JSON representation.	232	Converts a perl data structure into its JSON representation.
176
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183		233
184	=item cf::lock_wait $string	234	=item cf::lock_wait $string
185		235
186	Wait until the given lock is available. See cf::lock_acquire.	236	Wait until the given lock is available. See cf::lock_acquire.
187		237
…		…
193	returned.	243	returned.
194		244
195	Lock names should begin with a unique identifier (for example, cf::map::find	245	Lock names should begin with a unique identifier (for example, cf::map::find
196	uses map_find and cf::map::load uses map_load).	246	uses map_find and cf::map::load uses map_load).
197		247
		248	=item $locked = cf::lock_active $string
		249
		250	Return true if the lock is currently active, i.e. somebody has locked it.
		251
198	=cut	252	=cut
199		253
200	our %LOCK;	254	our %LOCK;
201		255
202	sub lock_wait($) {	256	sub lock_wait($) {
…		…
221	# wake up all waiters, to be on the safe side	275	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	276	$_->ready for @{ delete $LOCK{$key} };
223	}	277	}
224	}	278	}
225		279
		280	sub lock_active($) {
		281	my ($key) = @_;
		282
		283	! ! $LOCK{$key}
		284	}
		285
226	sub freeze_mainloop {	286	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	287	return unless $TICK_WATCHER->is_active;
228		288
229	my $guard = Coro::guard { $TICK_WATCHER->start };	289	my $guard = Coro::guard {
		290	$TICK_WATCHER->start;
		291	};
230	$TICK_WATCHER->stop;	292	$TICK_WATCHER->stop;
231	$guard	293	$guard
232	}	294	}
		295
		296	=item cf::async { BLOCK }
		297
		298	Currently the same as Coro::async_pool, meaning you cannot use
		299	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		300	thing you are allowed to do is call C<prio> on it.
		301
		302	=cut
		303
		304	BEGIN { *async = \&Coro::async_pool }
233		305
234	=item cf::sync_job { BLOCK }	306	=item cf::sync_job { BLOCK }
235		307
236	The design of crossfire+ requires that the main coro ($Coro::main) is	308	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	309	always able to handle events or runnable, as crossfire+ is only partly
…		…
256	my $freeze_guard = freeze_mainloop;	328	my $freeze_guard = freeze_mainloop;
257		329
258	my $busy = 1;	330	my $busy = 1;
259	my @res;	331	my @res;
260		332
261	(Coro::async_pool {	333	(async {
262	@res = eval { $job->() };	334	@res = eval { $job->() };
263	warn $@ if $@;	335	warn $@ if $@;
264	undef $busy;	336	undef $busy;
265	})->prio (Coro::PRIO_MAX);	337	})->prio (Coro::PRIO_MAX);
266		338
267	while ($busy) {	339	while ($busy) {
268	unless (Coro::cede) {	340	Coro::cede or Event::one_event;
269	Coro::nready ? Event::one_event 0 : Event::one_event;
270	Coro::cede_notself unless Coro::cede;
271	}
272	}	341	}
273		342
274	wantarray ? @res : $res[0]	343	wantarray ? @res : $res[0]
275	} else {	344	} else {
276	# we are in another coroutine, how wonderful, everything just works	345	# we are in another coroutine, how wonderful, everything just works
277		346
278	$job->()	347	$job->()
279	}	348	}
280	}	349	}
281		350
282	=item $coro = cf::coro { BLOCK }	351	=item $coro = cf::async_ext { BLOCK }
283		352
284	Creates (and readies) and returns a new coro. This coro is automcatially	353	Like async, but this coro is automatically being canceled when the
285	being canceled when the extension calling this is being unloaded.	354	extension calling this is being unloaded.
286		355
287	=cut	356	=cut
288		357
289	sub coro(&) {	358	sub async_ext(&) {
290	my $cb = shift;	359	my $cb = shift;
291		360
292	my $coro = &Coro::async_pool ($cb);	361	my $coro = &Coro::async ($cb);
293		362
294	$coro->on_destroy (sub {	363	$coro->on_destroy (sub {
295	delete $EXT_CORO{$coro+0};	364	delete $EXT_CORO{$coro+0};
296	});	365	});
297	$EXT_CORO{$coro+0} = $coro;	366	$EXT_CORO{$coro+0} = $coro;
298		367
299	$coro	368	$coro
300	}	369	}
301		370
302	sub write_runtime {	371	sub write_runtime {
303	my $runtime = cf::localdir . "/runtime";	372	my $guard = cf::lock_acquire "write_runtime";
		373
		374	my $runtime = "$LOCALDIR/runtime";
304		375
305	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
306	or return;	377	or return;
307		378
		379	my $value = $cf::RUNTIME + 90 + 10;
308	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	380	# 10 is the runtime save interval, for a monotonic clock
		381	# 60 allows for the watchdog to kill the server.
		382
309	(aio_write $fh, 0, (length $value), $value, 0) <= 0	383	(aio_write $fh, 0, (length $value), $value, 0) <= 0
310	and return;	384	and return;
311		385
		386	# always fsync - this file is important
312	aio_fsync $fh	387	aio_fsync $fh
313	and return;	388	and return;
314		389
315	close $fh	390	close $fh
316	or return;	391	or return;
…		…
319	and return;	394	and return;
320		395
321	1	396	1
322	}	397	}
323		398
		399	=item cf::datalog type => key => value, ...
		400
		401	Log a datalog packet of the given type with the given key-value pairs.
		402
		403	=cut
		404
		405	sub datalog($@) {
		406	my ($type, %kv) = @_;
		407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		408	}
		409
324	=back	410	=back
325		411
326	=cut	412	=cut
327
328	#############################################################################
329
330	package cf::path;
331
332	sub new {
333	my ($class, $path, $base) = @_;
334
335	$path = $path->as_string if ref $path;
336
337	my $self = bless { }, $class;
338
339	# {... are special paths that are not touched
340	# ?xxx/... are special absolute paths
341	# ?random/... random maps
342	# /! non-realised random map exit
343	# /... normal maps
344	# ~/... per-player maps without a specific player (DO NOT USE)
345	# ~user/... per-player map of a specific user
346
347	if ($path =~ /^{/) {
348	# fine as it is
349	} elsif ($path =~ s{^\?random/}{}) {
350	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
351	$self->{random} = cf::from_json $data;
352	} else {
353	if ($path =~ s{^~([^/]+)?}{}) {
354	$self->{user_rel} = 1;
355
356	if (defined $1) {
357	$self->{user} = $1;
358	} elsif ($base =~ m{^~([^/]+)/}) {
359	$self->{user} = $1;
360	} else {
361	warn "cannot resolve user-relative path without user <$path,$base>\n";
362	}
363	} elsif ($path =~ /^\//) {
364	# already absolute
365	} else {
366	$base =~ s{[^/]+/?$}{};
367	return $class->new ("$base/$path");
368	}
369
370	for ($path) {
371	redo if s{/\.?/}{/};
372	redo if s{/[^/]+/\.\./}{/};
373	}
374	}
375
376	$self->{path} = $path;
377
378	$self
379	}
380
381	# the name / primary key / in-game path
382	sub as_string {
383	my ($self) = @_;
384
385	$self->{user_rel} ? "~$self->{user}$self->{path}"
386	: $self->{random} ? "?random/$self->{path}"
387	: $self->{path}
388	}
389
390	# the displayed name, this is a one way mapping
391	sub visible_name {
392	my ($self) = @_;
393
394	# if (my $rmp = $self->{random}) {
395	# # todo: be more intelligent about this
396	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
397	# } else {
398	$self->as_string
399	# }
400	}
401
402	# escape the /'s in the path
403	sub _escaped_path {
404	# ∕ is U+2215
405	(my $path = $_[0]{path}) =~ s/\//∕/g;
406	$path
407	}
408
409	# the original (read-only) location
410	sub load_path {
411	my ($self) = @_;
412
413	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
414	}
415
416	# the temporary/swap location
417	sub save_path {
418	my ($self) = @_;
419
420	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
421	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
422	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
423	}
424
425	# the unique path, might be eq to save_path
426	sub uniq_path {
427	my ($self) = @_;
428
429	$self->{user_rel} || $self->{random}
430	? undef
431	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
432	}
433
434	# return random map parameters, or undef
435	sub random_map_params {
436	my ($self) = @_;
437
438	$self->{random}
439	}
440
441	# this is somewhat ugly, but style maps do need special treatment
442	sub is_style_map {
443	$_[0]{path} =~ m{^/styles/}
444	}
445
446	package cf;
447		413
448	#############################################################################	414	#############################################################################
449		415
450	=head2 ATTACHABLE OBJECTS	416	=head2 ATTACHABLE OBJECTS
451		417
…		…
577	our @CB_TYPE = (); # registry for type (cf-object class) based events	543	our @CB_TYPE = (); # registry for type (cf-object class) based events
578	our @CB_MAP = ();	544	our @CB_MAP = ();
579		545
580	my %attachment;	546	my %attachment;
581		547
		548	sub cf::attachable::thawer_merge {
		549	# simply override everything except _meta
		550	local $_[0]{_meta};
		551	%{$_[0]} = %{$_[1]};
		552	}
		553
582	sub _attach_cb($$$$) {	554	sub _attach_cb($$$$) {
583	my ($registry, $event, $prio, $cb) = @_;	555	my ($registry, $event, $prio, $cb) = @_;
584		556
585	use sort 'stable';	557	use sort 'stable';
586		558
…		…
757	# object support	729	# object support
758		730
759	sub reattach {	731	sub reattach {
760	# basically do the same as instantiate, without calling instantiate	732	# basically do the same as instantiate, without calling instantiate
761	my ($obj) = @_;	733	my ($obj) = @_;
		734
		735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
762		736
763	my $registry = $obj->registry;	737	my $registry = $obj->registry;
764		738
765	@$registry = ();	739	@$registry = ();
766		740
…		…
813	$filename, length $$rdata, scalar @$objs;	787	$filename, length $$rdata, scalar @$objs;
814		788
815	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
816	chmod SAVE_MODE, $fh;	790	chmod SAVE_MODE, $fh;
817	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
818	aio_fsync $fh;	792	aio_fsync $fh if $cf::USE_FSYNC;
819	close $fh;	793	close $fh;
820		794
821	if (@$objs) {	795	if (@$objs) {
822	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
823	chmod SAVE_MODE, $fh;	797	chmod SAVE_MODE, $fh;
824	my $data = Storable::nfreeze { version => 1, objs => $objs };	798	my $data = Storable::nfreeze { version => 1, objs => $objs };
825	aio_write $fh, 0, (length $data), $data, 0;	799	aio_write $fh, 0, (length $data), $data, 0;
826	aio_fsync $fh;	800	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	801	close $fh;
828	aio_rename "$filename.pst~", "$filename.pst";	802	aio_rename "$filename.pst~", "$filename.pst";
829	}	803	}
830	} else {	804	} else {
831	aio_unlink "$filename.pst";	805	aio_unlink "$filename.pst";
…		…
898	=cut	872	=cut
899		873
900	sub register_extcmd {	874	sub register_extcmd {
901	my ($name, $cb) = @_;	875	my ($name, $cb) = @_;
902		876
903	my $caller = caller;
904	#warn "registering extcmd '$name' to '$caller'";
905
906	$EXTCMD{$name} = [$cb, $caller];	877	$EXTCMD{$name} = $cb;
907	}	878	}
908		879
909	cf::player->attach (	880	cf::player->attach (
910	on_command => sub {	881	on_command => sub {
911	my ($pl, $name, $params) = @_;	882	my ($pl, $name, $params) = @_;
…		…
924		895
925	my $msg = eval { from_json $buf };	896	my $msg = eval { from_json $buf };
926		897
927	if (ref $msg) {	898	if (ref $msg) {
928	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
929	if (my %reply = $cb->[0]->($pl, $msg)) {	900	if (my %reply = $cb->($pl, $msg)) {
930	$pl->ext_reply ($msg->{msgid}, %reply);	901	$pl->ext_reply ($msg->{msgid}, %reply);
931	}	902	}
932	}	903	}
933	} else {	904	} else {
934	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
936		907
937	cf::override;	908	cf::override;
938	},	909	},
939	);	910	);
940		911
941	sub register {
942	my ($base, $pkg) = @_;
943
944	#TODO
945	}
946
947	sub load_extension {	912	sub load_extension {
948	my ($path) = @_;	913	my ($path) = @_;
949		914
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;	916	my $base = $1;
952	my $pkg = $1;	917	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;	918	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";	919	$pkg = "ext::$pkg";
955		920
956	warn "loading '$path' into '$pkg'\n";	921	warn "... loading '$path' into '$pkg'\n";
957		922
958	open my $fh, "<:utf8", $path	923	open my $fh, "<:utf8", $path
959	or die "$path: $!";	924	or die "$path: $!";
960		925
961	my $source =	926	my $source =
962	"package $pkg; use strict; use utf8;\n"	927	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"	928	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })	929	. (do { local $/; <$fh> })
965	. "\n};\n1";	930	. "\n};\n1";
966		931
967	eval $source	932	unless (eval $source) {
968	or die $@ ? "$path: $@\n"	933	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";	934	: "extension disabled.\n";
970		935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	push @exts, $pkg;	936	warn $@;
972	$ext_pkg{$base} = $pkg;	937	warn "mandatory extension failed to load, exiting.\n";
973		938	exit 1;
974	# no strict 'refs';	939	}
975	# @{"$pkg\::ISA"} = ext::;	940	die $@;
976
977	register $base, $pkg;
978	}
979
980	sub unload_extension {
981	my ($pkg) = @_;
982
983	warn "removing extension $pkg\n";
984
985	# remove hooks
986	#TODO
987	# for my $idx (0 .. $#PLUGIN_EVENT) {
988	# delete $hook[$idx]{$pkg};
989	# }	941	}
990		942
991	# remove commands	943	push @EXTS, $pkg;
992	for my $name (keys %COMMAND) {
993	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
994
995	if (@cb) {
996	$COMMAND{$name} = \@cb;
997	} else {
998	delete $COMMAND{$name};
999	}
1000	}
1001
1002	# remove extcmds
1003	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1004	delete $EXTCMD{$name};
1005	}
1006
1007	if (my $cb = $pkg->can ("unload")) {
1008	eval {
1009	$cb->($pkg);
1010	1
1011	} or warn "$pkg unloaded, but with errors: $@";
1012	}
1013
1014	Symbol::delete_package $pkg;
1015	}	944	}
1016		945
1017	sub load_extensions {	946	sub load_extensions {
1018	for my $ext (<$LIBDIR/*.ext>) {	947	for my $ext (<$LIBDIR/*.ext>) {
1019	next unless -r $ext;	948	next unless -r $ext;
…		…
1023	} or warn "$ext not loaded: $@";	952	} or warn "$ext not loaded: $@";
1024	}	953	}
1025	}	954	}
1026		955
1027	#############################################################################	956	#############################################################################
1028	# load/save/clean perl data associated with a map
1029
1030	*cf::mapsupport::on_clean = sub {
1031	my ($map) = @_;
1032
1033	my $path = $map->tmpname;
1034	defined $path or return;
1035
1036	unlink "$path.pst";
1037	};
1038
1039	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1040
1041	#############################################################################
1042	# load/save perl data associated with player->ob objects
1043
1044	sub all_objects(@) {
1045	@_, map all_objects ($_->inv), @_
1046	}
1047
1048	# TODO: compatibility cruft, remove when no longer needed
1049	cf::player->attach (
1050	on_load => sub {
1051	my ($pl, $path) = @_;
1052
1053	for my $o (all_objects $pl->ob) {
1054	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1055	$o->set_ob_key_value ("_perl_data");
1056
1057	%$o = %{ Storable::thaw pack "H*", $value };
1058	}
1059	}
1060	},
1061	);
1062
1063	#############################################################################
1064		957
1065	=head2 CORE EXTENSIONS	958	=head2 CORE EXTENSIONS
1066		959
1067	Functions and methods that extend core crossfire objects.	960	Functions and methods that extend core crossfire objects.
1068		961
		962	=cut
		963
		964	package cf::player;
		965
		966	use Coro::AIO;
		967
1069	=head3 cf::player	968	=head3 cf::player
1070		969
1071	=over 4	970	=over 4
1072		971
1073	=item cf::player::exists $login	972	=item cf::player::find $login
1074		973
1075	Returns true when the given account exists.	974	Returns the given player object, loading it if necessary (might block).
1076		975
1077	=cut	976	=cut
1078		977
1079	sub cf::player::exists($) {	978	sub playerdir($) {
1080	cf::player::find $_[0]	979	"$PLAYERDIR/"
1081	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	980	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1082	}	981	}
1083		982
		983	sub path($) {
		984	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		985
		986	(playerdir $login) . "/playerdata"
		987	}
		988
		989	sub find_active($) {
		990	$cf::PLAYER{$_[0]}
		991	and $cf::PLAYER{$_[0]}->active
		992	and $cf::PLAYER{$_[0]}
		993	}
		994
		995	sub exists($) {
		996	my ($login) = @_;
		997
		998	$cf::PLAYER{$login}
		999	or cf::sync_job { !aio_stat path $login }
		1000	}
		1001
		1002	sub find($) {
		1003	return $cf::PLAYER{$_[0]} || do {
		1004	my $login = $_[0];
		1005
		1006	my $guard = cf::lock_acquire "user_find:$login";
		1007
		1008	$cf::PLAYER{$_[0]} || do {
		1009	# rename old playerfiles to new ones
		1010	#TODO: remove when no longer required
		1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1014	aio_unlink +(playerdir $login) . "/$login.pl";
		1015
		1016	my $pl = load_pl path $login
		1017	or return;
		1018	$cf::PLAYER{$login} = $pl
		1019	}
		1020	}
		1021	}
		1022
		1023	sub save($) {
		1024	my ($pl) = @_;
		1025
		1026	return if $pl->{deny_save};
		1027
		1028	my $path = path $pl;
		1029	my $guard = cf::lock_acquire "user_save:$path";
		1030
		1031	return if $pl->{deny_save};
		1032
		1033	aio_mkdir playerdir $pl, 0770;
		1034	$pl->{last_save} = $cf::RUNTIME;
		1035
		1036	$pl->save_pl ($path);
		1037	Coro::cede;
		1038	}
		1039
		1040	sub new($) {
		1041	my ($login) = @_;
		1042
		1043	my $self = create;
		1044
		1045	$self->ob->name ($login);
		1046	$self->{deny_save} = 1;
		1047
		1048	$cf::PLAYER{$login} = $self;
		1049
		1050	$self
		1051	}
		1052
		1053	=item $pl->quit_character
		1054
		1055	Nukes the player without looking back. If logged in, the connection will
		1056	be destroyed. May block for a long time.
		1057
		1058	=cut
		1059
		1060	sub quit_character {
		1061	my ($pl) = @_;
		1062
		1063	my $name = $pl->ob->name;
		1064
		1065	$pl->{deny_save} = 1;
		1066	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1067
		1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1069	$pl->deactivate;
		1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1071	$pl->ns->destroy if $pl->ns;
		1072
		1073	my $path = playerdir $pl;
		1074	my $temp = "$path~$cf::RUNTIME~deleting~";
		1075	aio_rename $path, $temp;
		1076	delete $cf::PLAYER{$pl->ob->name};
		1077	$pl->destroy;
		1078
		1079	my $prefix = qr<^~\Q$name\E/>;
		1080
		1081	# nuke player maps
		1082	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1083
		1084	IO::AIO::aio_rmtree $temp;
		1085	}
		1086
		1087	=item $pl->kick
		1088
		1089	Kicks a player out of the game. This destroys the connection.
		1090
		1091	=cut
		1092
		1093	sub kick {
		1094	my ($pl, $kicker) = @_;
		1095
		1096	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1097	$pl->killer ("kicked");
		1098	$pl->ns->destroy;
		1099	}
		1100
		1101	=item cf::player::list_logins
		1102
		1103	Returns am arrayref of all valid playernames in the system, can take a
		1104	while and may block, so not sync_job-capable, ever.
		1105
		1106	=cut
		1107
		1108	sub list_logins {
		1109	my $dirs = aio_readdir $PLAYERDIR
		1110	or return [];
		1111
		1112	my @logins;
		1113
		1114	for my $login (@$dirs) {
		1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1116	aio_read $fh, 0, 512, my $buf, 0 or next;
		1117	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1118
		1119	utf8::decode $login;
		1120	push @logins, $login;
		1121	}
		1122
		1123	\@logins
		1124	}
		1125
		1126	=item $player->maps
		1127
		1128	Returns an arrayref of map paths that are private for this
		1129	player. May block.
		1130
		1131	=cut
		1132
		1133	sub maps($) {
		1134	my ($pl) = @_;
		1135
		1136	$pl = ref $pl ? $pl->ob->name : $pl;
		1137
		1138	my $files = aio_readdir playerdir $pl
		1139	or return;
		1140
		1141	my @paths;
		1142
		1143	for (@$files) {
		1144	utf8::decode $_;
		1145	next if /\.(?:pl|pst)$/;
		1146	next unless /^$PATH_SEP/o;
		1147
		1148	push @paths, cf::map::normalise "~$pl/$_";
		1149	}
		1150
		1151	\@paths
		1152	}
		1153
1084	=item $player->ext_reply ($msgid, $msgtype, %msg)	1154	=item $player->ext_reply ($msgid, %msg)
1085		1155
1086	Sends an ext reply to the player.	1156	Sends an ext reply to the player.
1087		1157
1088	=cut	1158	=cut
1089		1159
1090	sub cf::player::ext_reply($$$%) {	1160	sub ext_reply($$%) {
1091	my ($self, $id, %msg) = @_;	1161	my ($self, $id, %msg) = @_;
1092		1162
1093	$msg{msgid} = $id;	1163	$msg{msgid} = $id;
1094		1164
1095	$self->send ("ext " . to_json \%msg);	1165	$self->send ("ext " . cf::to_json \%msg);
		1166	}
		1167
		1168	=item $player->ext_event ($type, %msg)
		1169
		1170	Sends an ext event to the client.
		1171
		1172	=cut
		1173
		1174	sub ext_event($$%) {
		1175	my ($self, $type, %msg) = @_;
		1176
		1177	$self->ns->ext_event ($type, %msg);
		1178	}
		1179
		1180	=head3 cf::region
		1181
		1182	=over 4
		1183
		1184	=cut
		1185
		1186	package cf::region;
		1187
		1188	=item cf::region::find_by_path $path
		1189
		1190	Tries to decuce the probable region for a map knowing only its path.
		1191
		1192	=cut
		1193
		1194	sub find_by_path($) {
		1195	my ($path) = @_;
		1196
		1197	my ($match, $specificity);
		1198
		1199	for my $region (list) {
		1200	if ($region->match && $path =~ $region->match) {
		1201	($match, $specificity) = ($region, $region->specificity)
		1202	if $region->specificity > $specificity;
		1203	}
		1204	}
		1205
		1206	$match
1096	}	1207	}
1097		1208
1098	=back	1209	=back
1099
1100		1210
1101	=head3 cf::map	1211	=head3 cf::map
1102		1212
1103	=over 4	1213	=over 4
1104		1214
…		…
1107	package cf::map;	1217	package cf::map;
1108		1218
1109	use Fcntl;	1219	use Fcntl;
1110	use Coro::AIO;	1220	use Coro::AIO;
1111		1221
		1222	use overload
		1223	'""' => \&as_string,
		1224	fallback => 1;
		1225
1112	our $MAX_RESET = 3600;	1226	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1227	our $DEFAULT_RESET = 3000;
1114		1228
1115	sub generate_random_map {	1229	sub generate_random_map {
1116	my ($path, $rmp) = @_;	1230	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1231	# mit "rum" bekleckern, nicht
1119	cf::map::_create_random_map	1232	$self->_create_random_map (
1120	$path,
1121	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1122	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1123	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1124	$rmp->{exit_on_final_map},	1236	$rmp->{exit_on_final_map},
1125	$rmp->{xsize}, $rmp->{ysize},	1237	$rmp->{xsize}, $rmp->{ysize},
1126	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1127	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1128	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1240	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1129	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1241	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1130	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1242	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1131	(cf::region::find $rmp->{region})	1243	(cf::region::find $rmp->{region}), $rmp->{custom}
		1244	)
		1245	}
		1246
		1247	=item cf::map->register ($regex, $prio)
		1248
		1249	Register a handler for the map path matching the given regex at the
		1250	givne priority (higher is better, built-in handlers have priority 0, the
		1251	default).
		1252
		1253	=cut
		1254
		1255	sub register {
		1256	my (undef, $regex, $prio) = @_;
		1257	my $pkg = caller;
		1258
		1259	no strict;
		1260	push @{"$pkg\::ISA"}, __PACKAGE__;
		1261
		1262	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1263	}
		1264
		1265	# also paths starting with '/'
		1266	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1267
		1268	sub thawer_merge {
		1269	my ($self, $merge) = @_;
		1270
		1271	# we have to keep some variables in memory intact
		1272	local $self->{path};
		1273	local $self->{load_path};
		1274	local $self->{deny_save};
		1275	local $self->{deny_reset};
		1276
		1277	$self->SUPER::thawer_merge ($merge);
		1278	}
		1279
		1280	sub normalise {
		1281	my ($path, $base) = @_;
		1282
		1283	$path = "$path"; # make sure its a string
		1284
		1285	$path =~ s/\.map$//;
		1286
		1287	# map plan:
		1288	#
		1289	# /! non-realised random map exit (special hack!)
		1290	# {... are special paths that are not being touched
		1291	# ?xxx/... are special absolute paths
		1292	# ?random/... random maps
		1293	# /... normal maps
		1294	# ~user/... per-player map of a specific user
		1295
		1296	$path =~ s/$PATH_SEP/\//go;
		1297
		1298	# treat it as relative path if it starts with
		1299	# something that looks reasonable
		1300	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1301	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1302
		1303	$base =~ s{[^/]+/?$}{};
		1304	$path = "$base/$path";
		1305	}
		1306
		1307	for ($path) {
		1308	redo if s{//}{/};
		1309	redo if s{/\.?/}{/};
		1310	redo if s{/[^/]+/\.\./}{/};
		1311	}
		1312
		1313	$path
		1314	}
		1315
		1316	sub new_from_path {
		1317	my (undef, $path, $base) = @_;
		1318
		1319	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1320
		1321	$path = normalise $path, $base;
		1322
		1323	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1324	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1325	my $self = bless cf::map::new, $pkg;
		1326	$self->{path} = $path; $self->path ($path);
		1327	$self->init; # pass $1 etc.
		1328	return $self;
		1329	}
		1330	}
		1331
		1332	Carp::carp "unable to resolve path '$path' (base '$base').";
		1333	()
		1334	}
		1335
		1336	sub init {
		1337	my ($self) = @_;
		1338
		1339	$self
		1340	}
		1341
		1342	sub as_string {
		1343	my ($self) = @_;
		1344
		1345	"$self->{path}"
		1346	}
		1347
		1348	# the displayed name, this is a one way mapping
		1349	sub visible_name {
		1350	&as_string
		1351	}
		1352
		1353	# the original (read-only) location
		1354	sub load_path {
		1355	my ($self) = @_;
		1356
		1357	"$MAPDIR/$self->{path}.map"
		1358	}
		1359
		1360	# the temporary/swap location
		1361	sub save_path {
		1362	my ($self) = @_;
		1363
		1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1365	"$TMPDIR/$path.map"
		1366	}
		1367
		1368	# the unique path, undef == no special unique path
		1369	sub uniq_path {
		1370	my ($self) = @_;
		1371
		1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1373	"$UNIQUEDIR/$path"
1132	}	1374	}
1133		1375
1134	# and all this just because we cannot iterate over	1376	# and all this just because we cannot iterate over
1135	# all maps in C++...	1377	# all maps in C++...
1136	sub change_all_map_light {	1378	sub change_all_map_light {
…		…
1138		1380
1139	$_->change_map_light ($change)	1381	$_->change_map_light ($change)
1140	for grep $_->outdoor, values %cf::MAP;	1382	for grep $_->outdoor, values %cf::MAP;
1141	}	1383	}
1142		1384
		1385	sub unlink_save {
		1386	my ($self) = @_;
		1387
		1388	utf8::encode (my $save = $self->save_path);
		1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1390	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1391	}
		1392
1143	sub try_load_header($) {	1393	sub load_header_from($) {
1144	my ($path) = @_;	1394	my ($self, $path) = @_;
1145		1395
1146	utf8::encode $path;	1396	utf8::encode $path;
1147	aio_open $path, O_RDONLY, 0	1397	#aio_open $path, O_RDONLY, 0
		1398	# or return;
		1399
		1400	$self->_load_header ($path)
1148	or return;	1401	or return;
1149		1402
1150	my $map = cf::map::new	1403	$self->{load_path} = $path;
		1404
		1405	1
		1406	}
		1407
		1408	sub load_header_orig {
		1409	my ($self) = @_;
		1410
		1411	$self->load_header_from ($self->load_path)
		1412	}
		1413
		1414	sub load_header_temp {
		1415	my ($self) = @_;
		1416
		1417	$self->load_header_from ($self->save_path)
		1418	}
		1419
		1420	sub prepare_temp {
		1421	my ($self) = @_;
		1422
		1423	$self->last_access ((delete $self->{last_access})
		1424	|| $cf::RUNTIME); #d#
		1425	# safety
		1426	$self->{instantiate_time} = $cf::RUNTIME
		1427	if $self->{instantiate_time} > $cf::RUNTIME;
		1428	}
		1429
		1430	sub prepare_orig {
		1431	my ($self) = @_;
		1432
		1433	$self->{load_original} = 1;
		1434	$self->{instantiate_time} = $cf::RUNTIME;
		1435	$self->last_access ($cf::RUNTIME);
		1436	$self->instantiate;
		1437	}
		1438
		1439	sub load_header {
		1440	my ($self) = @_;
		1441
		1442	if ($self->load_header_temp) {
		1443	$self->prepare_temp;
		1444	} else {
		1445	$self->load_header_orig
1151	or return;	1446	or return;
		1447	$self->prepare_orig;
		1448	}
1152		1449
1153	# for better error messages only, will be overwritten	1450	$self->default_region (cf::region::find_by_path $self->{path})
1154	$map->path ($path);	1451	unless $self->default_region;
1155		1452
1156	$map->load_header ($path)	1453	1
1157	or return;
1158
1159	$map->{load_path} = $path;
1160
1161	$map
1162	}	1454	}
1163		1455
1164	sub find;	1456	sub find;
1165	sub find {	1457	sub find {
1166	my ($path, $origin) = @_;	1458	my ($path, $origin) = @_;
1167		1459
1168	#warn "find<$path,$origin>\n";#d#
1169
1170	$path = new cf::path $path, $origin && $origin->path;	1460	$path = normalise $path, $origin && $origin->path;
1171	my $key = $path->as_string;
1172		1461
1173	cf::lock_wait "map_find:$key";	1462	cf::lock_wait "map_find:$path";
1174		1463
1175	$cf::MAP{$key} || do {	1464	$cf::MAP{$path} || do {
1176	my $guard = cf::lock_acquire "map_find:$key";	1465	my $guard = cf::lock_acquire "map_find:$path";
1177		1466	my $map = new_from_path cf::map $path
1178	# do it the slow way
1179	my $map = try_load_header $path->save_path;
1180
1181	Coro::cede;
1182
1183	if ($map) {
1184	$map->last_access ((delete $map->{last_access})
1185	|| $cf::RUNTIME); #d#
1186	# safety
1187	$map->{instantiate_time} = $cf::RUNTIME
1188	if $map->{instantiate_time} > $cf::RUNTIME;
1189	} else {
1190	if (my $rmp = $path->random_map_params) {
1191	$map = generate_random_map $key, $rmp;
1192	} else {
1193	$map = try_load_header $path->load_path;
1194	}
1195
1196	$map or return;	1467	or return;
1197		1468
1198	$map->{load_original} = 1;
1199	$map->{instantiate_time} = $cf::RUNTIME;
1200	$map->last_access ($cf::RUNTIME);
1201	$map->instantiate;
1202
1203	# per-player maps become, after loading, normal maps
1204	$map->per_player (0) if $path->{user_rel};
1205	}
1206
1207	$map->path ($key);
1208	$map->{path} = $path;
1209	$map->{last_save} = $cf::RUNTIME;	1469	$map->{last_save} = $cf::RUNTIME;
1210		1470
1211	Coro::cede;	1471	$map->load_header
		1472	or return;
1212		1473
1213	if ($map->should_reset) {	1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1475	# doing this can freeze the server in a sync job, obviously
		1476	#$cf::WAIT_FOR_TICK->wait;
1214	$map->reset;	1477	$map->reset;
1215	undef $guard;	1478	undef $guard;
1216	$map = find $path	1479	return find $path;
1217	or return;
1218	}	1480	}
1219		1481
1220	$cf::MAP{$key} = $map	1482	$cf::MAP{$path} = $map
1221	}	1483	}
1222	}	1484	}
		1485
		1486	sub pre_load { }
		1487	sub post_load { }
1223		1488
1224	sub load {	1489	sub load {
1225	my ($self) = @_;	1490	my ($self) = @_;
1226		1491
		1492	local $self->{deny_reset} = 1; # loading can take a long time
		1493
1227	my $path = $self->{path};	1494	my $path = $self->{path};
		1495
		1496	{
1228	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1497	my $guard = cf::lock_acquire "map_load:$path";
1229		1498
1230	return if $self->in_memory != cf::MAP_SWAPPED;	1499	return if $self->in_memory != cf::MAP_SWAPPED;
1231		1500
1232	$self->in_memory (cf::MAP_LOADING);	1501	$self->in_memory (cf::MAP_LOADING);
1233		1502
1234	$self->alloc;	1503	$self->alloc;
		1504
		1505	$self->pre_load;
		1506	Coro::cede;
		1507
1235	$self->load_objects ($self->{load_path}, 1)	1508	$self->_load_objects ($self->{load_path}, 1)
1236	or return;	1509	or return;
1237		1510
1238	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1239	if delete $self->{load_original};	1512	if delete $self->{load_original};
1240		1513
1241	if (my $uniq = $path->uniq_path) {	1514	if (my $uniq = $self->uniq_path) {
1242	utf8::encode $uniq;	1515	utf8::encode $uniq;
1243	if (aio_open $uniq, O_RDONLY, 0) {	1516	if (aio_open $uniq, O_RDONLY, 0) {
1244	$self->clear_unique_items;	1517	$self->clear_unique_items;
1245	$self->load_objects ($uniq, 0);	1518	$self->_load_objects ($uniq, 0);
1246	}	1519	}
1247	}	1520	}
1248		1521
1249	Coro::cede;	1522	Coro::cede;
1250
1251	# now do the right thing for maps	1523	# now do the right thing for maps
1252	$self->link_multipart_objects;	1524	$self->link_multipart_objects;
1253
1254	if ($self->{path}->is_style_map) {
1255	$self->{deny_save} = 1;
1256	$self->{deny_reset} = 1;
1257	} else {
1258	$self->fix_auto_apply;
1259	$self->decay_objects;
1260	$self->update_buttons;
1261	$self->set_darkness_map;
1262	$self->difficulty ($self->estimate_difficulty)	1525	$self->difficulty ($self->estimate_difficulty)
1263	unless $self->difficulty;	1526	unless $self->difficulty;
		1527	Coro::cede;
		1528
		1529	unless ($self->{deny_activate}) {
		1530	$self->decay_objects;
		1531	$self->fix_auto_apply;
		1532	$self->update_buttons;
		1533	Coro::cede;
		1534	$self->set_darkness_map;
		1535	Coro::cede;
1264	$self->activate;	1536	$self->activate;
1265	}	1537	}
1266		1538
1267	Coro::cede;
1268
1269	$self->in_memory (cf::MAP_IN_MEMORY);	1539	$self->in_memory (cf::MAP_IN_MEMORY);
		1540
		1541	undef $guard;
		1542	}
		1543
		1544	$self->post_load;
		1545	}
		1546
		1547	sub customise_for {
		1548	my ($self, $ob) = @_;
		1549
		1550	return find "~" . $ob->name . "/" . $self->{path}
		1551	if $self->per_player;
		1552
		1553	$self
		1554	}
		1555
		1556	# find and load all maps in the 3x3 area around a map
		1557	sub load_diag {
		1558	my ($map) = @_;
		1559
		1560	my @diag; # diagonal neighbours
		1561
		1562	for (0 .. 3) {
		1563	my $neigh = $map->tile_path ($_)
		1564	or next;
		1565	$neigh = find $neigh, $map
		1566	or next;
		1567	$neigh->load;
		1568
		1569	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1570	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1571	}
		1572
		1573	for (@diag) {
		1574	my $neigh = find @$_
		1575	or next;
		1576	$neigh->load;
		1577	}
1270	}	1578	}
1271		1579
1272	sub find_sync {	1580	sub find_sync {
1273	my ($path, $origin) = @_;	1581	my ($path, $origin) = @_;
1274		1582
1275	cf::sync_job {	1583	cf::sync_job { find $path, $origin }
1276	my $map = cf::map::find $path, $origin;
1277	$map
1278	}
1279	}	1584	}
1280		1585
1281	sub do_load_sync {	1586	sub do_load_sync {
1282	my ($map) = @_;	1587	my ($map) = @_;
1283		1588
1284	cf::sync_job { $map->load };	1589	cf::sync_job { $map->load };
1285	}	1590	}
1286		1591
		1592	our %MAP_PREFETCH;
		1593	our $MAP_PREFETCHER = undef;
		1594
		1595	sub find_async {
		1596	my ($path, $origin) = @_;
		1597
		1598	$path = normalise $path, $origin && $origin->{path};
		1599
		1600	if (my $map = $cf::MAP{$path}) {
		1601	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1602	}
		1603
		1604	undef $MAP_PREFETCH{$path};
		1605	$MAP_PREFETCHER ||= cf::async {
		1606	while (%MAP_PREFETCH) {
		1607	for my $path (keys %MAP_PREFETCH) {
		1608	my $map = find $path
		1609	or next;
		1610	$map->load;
		1611
		1612	delete $MAP_PREFETCH{$path};
		1613	}
		1614	}
		1615	undef $MAP_PREFETCHER;
		1616	};
		1617	$MAP_PREFETCHER->prio (6);
		1618
		1619	()
		1620	}
		1621
1287	sub save {	1622	sub save {
1288	my ($self) = @_;	1623	my ($self) = @_;
1289		1624
1290	my $lock = cf::lock_acquire "map_data:" . $self->path;	1625	my $lock = cf::lock_acquire "map_data:" . $self->path;
1291		1626
1292	$self->{last_save} = $cf::RUNTIME;	1627	$self->{last_save} = $cf::RUNTIME;
1293		1628
1294	return unless $self->dirty;	1629	return unless $self->dirty;
1295		1630
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1631	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1632	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		1633
1299	$self->{load_path} = $save;	1634	$self->{load_path} = $save;
1300		1635
1301	return if $self->{deny_save};	1636	return if $self->{deny_save};
1302		1637
1303	local $self->{last_access} = $self->last_access;#d#	1638	local $self->{last_access} = $self->last_access;#d#
1304		1639
		1640	cf::async {
		1641	$_->contr->save for $self->players;
		1642	};
		1643
1305	if ($uniq) {	1644	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	1646	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	1647	} else {
1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1648	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1310	}	1649	}
1311	}	1650	}
1312		1651
1313	sub swap_out {	1652	sub swap_out {
1314	my ($self) = @_;	1653	my ($self) = @_;
…		…
1328		1667
1329	sub reset_at {	1668	sub reset_at {
1330	my ($self) = @_;	1669	my ($self) = @_;
1331		1670
1332	# TODO: safety, remove and allow resettable per-player maps	1671	# TODO: safety, remove and allow resettable per-player maps
1333	return 1e99 if $self->{path}{user_rel};	1672	return 1e99 if $self->isa ("ext::map_per_player");#d#
1334	return 1e99 if $self->{deny_reset};	1673	return 1e99 if $self->{deny_reset};
1335		1674
1336	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1675	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1337	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1676	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1338		1677
…		…
1343	my ($self) = @_;	1682	my ($self) = @_;
1344		1683
1345	$self->reset_at <= $cf::RUNTIME	1684	$self->reset_at <= $cf::RUNTIME
1346	}	1685	}
1347		1686
1348	sub unlink_save {
1349	my ($self) = @_;
1350
1351	utf8::encode (my $save = $self->{path}->save_path);
1352	aioreq_pri 3; IO::AIO::aio_unlink $save;
1353	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1354	}
1355
1356	sub rename {
1357	my ($self, $new_path) = @_;
1358
1359	$self->unlink_save;
1360
1361	delete $cf::MAP{$self->path};
1362	$self->{path} = new cf::path $new_path;
1363	$self->path ($self->{path}->as_string);
1364	$cf::MAP{$self->path} = $self;
1365
1366	$self->save;
1367	}
1368
1369	sub reset {	1687	sub reset {
1370	my ($self) = @_;	1688	my ($self) = @_;
1371		1689
1372	my $lock = cf::lock_acquire "map_data:" . $self->path;	1690	my $lock = cf::lock_acquire "map_data:$self->{path}";
1373		1691
1374	return if $self->players;	1692	return if $self->players;
1375	return if $self->{path}{user_rel};#d#	1693	return if $self->isa ("ext::map_per_player");#d#
1376		1694
1377	warn "resetting map ", $self->path;#d#	1695	warn "resetting map ", $self->path;#d#
1378		1696
		1697	$self->in_memory (cf::MAP_SWAPPED);
		1698
		1699	# need to save uniques path
		1700	unless ($self->{deny_save}) {
		1701	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1702
		1703	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1704	if $uniq;
		1705	}
		1706
1379	delete $cf::MAP{$self->path};	1707	delete $cf::MAP{$self->path};
		1708
		1709	$self->clear;
1380		1710
1381	$_->clear_links_to ($self) for values %cf::MAP;	1711	$_->clear_links_to ($self) for values %cf::MAP;
1382		1712
1383	$self->unlink_save;	1713	$self->unlink_save;
1384	$self->destroy;	1714	$self->destroy;
…		…
1387	my $nuke_counter = "aaaa";	1717	my $nuke_counter = "aaaa";
1388		1718
1389	sub nuke {	1719	sub nuke {
1390	my ($self) = @_;	1720	my ($self) = @_;
1391		1721
		1722	delete $cf::MAP{$self->path};
		1723
		1724	$self->unlink_save;
		1725
		1726	bless $self, "cf::map";
		1727	delete $self->{deny_reset};
1392	$self->{deny_save} = 1;	1728	$self->{deny_save} = 1;
1393	$self->reset_timeout (1);	1729	$self->reset_timeout (1);
1394	$self->rename ("{nuke}/" . ($nuke_counter++));	1730	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1731
		1732	$cf::MAP{$self->path} = $self;
		1733
1395	$self->reset; # polite request, might not happen	1734	$self->reset; # polite request, might not happen
1396	}	1735	}
1397		1736
1398	sub customise_for {	1737	=item cf::map::unique_maps
1399	my ($map, $ob) = @_;
1400		1738
1401	if ($map->per_player) {	1739	Returns an arrayref of paths of all shared maps that have
1402	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1740	instantiated unique items. May block.
1403	}
1404		1741
1405	$map	1742	=cut
1406	}
1407		1743
1408	sub emergency_save {	1744	sub unique_maps() {
1409	my $freeze_guard = cf::freeze_mainloop;	1745	my $files = aio_readdir $UNIQUEDIR
		1746	or return;
1410		1747
1411	warn "enter emergency map save\n";	1748	my @paths;
1412		1749
1413	cf::sync_job {	1750	for (@$files) {
1414	warn "begin emergency map save\n";	1751	utf8::decode $_;
1415	$_->save for values %cf::MAP;	1752	next if /\.pst$/;
		1753	next unless /^$PATH_SEP/o;
		1754
		1755	push @paths, cf::map::normalise $_;
1416	};	1756	}
1417		1757
1418	warn "end emergency map save\n";	1758	\@paths
1419	}	1759	}
1420		1760
1421	package cf;	1761	package cf;
1422		1762
1423	=back	1763	=back
1424		1764
		1765	=head3 cf::object
		1766
		1767	=cut
		1768
		1769	package cf::object;
		1770
		1771	=over 4
		1772
		1773	=item $ob->inv_recursive
		1774
		1775	Returns the inventory of the object _and_ their inventories, recursively.
		1776
		1777	=cut
		1778
		1779	sub inv_recursive_;
		1780	sub inv_recursive_ {
		1781	map { $_, inv_recursive_ $_->inv } @_
		1782	}
		1783
		1784	sub inv_recursive {
		1785	inv_recursive_ inv $_[0]
		1786	}
		1787
		1788	package cf;
		1789
		1790	=back
1425		1791
1426	=head3 cf::object::player	1792	=head3 cf::object::player
1427		1793
1428	=over 4	1794	=over 4
1429		1795
…		…
1469		1835
1470	=item $player_object->enter_link	1836	=item $player_object->enter_link
1471		1837
1472	Freezes the player and moves him/her to a special map (C<{link}>).	1838	Freezes the player and moves him/her to a special map (C<{link}>).
1473		1839
1474	The player should be reaosnably safe there for short amounts of time. You	1840	The player should be reasonably safe there for short amounts of time. You
1475	I<MUST> call C<leave_link> as soon as possible, though.	1841	I<MUST> call C<leave_link> as soon as possible, though.
1476		1842
		1843	Will never block.
		1844
1477	=item $player_object->leave_link ($map, $x, $y)	1845	=item $player_object->leave_link ($map, $x, $y)
1478		1846
1479	Moves the player out of the specila link map onto the given map. If the	1847	Moves the player out of the special C<{link}> map onto the specified
1480	map is not valid (or omitted), the player will be moved back to the	1848	map. If the map is not valid (or omitted), the player will be moved back
1481	location he/she was before the call to C<enter_link>, or, if that fails,	1849	to the location he/she was before the call to C<enter_link>, or, if that
1482	to the emergency map position.	1850	fails, to the emergency map position.
1483		1851
1484	Might block.	1852	Might block.
1485		1853
1486	=cut	1854	=cut
		1855
		1856	sub link_map {
		1857	unless ($LINK_MAP) {
		1858	$LINK_MAP = cf::map::find "{link}"
		1859	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1860	$LINK_MAP->load;
		1861	}
		1862
		1863	$LINK_MAP
		1864	}
1487		1865
1488	sub cf::object::player::enter_link {	1866	sub cf::object::player::enter_link {
1489	my ($self) = @_;	1867	my ($self) = @_;
1490		1868
1491	$self->deactivate_recursive;	1869	$self->deactivate_recursive;
1492		1870
1493	return if $self->map == $LINK_MAP;	1871	return if UNIVERSAL::isa $self->map, "ext::map_link";
1494		1872
1495	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1873	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1496	if $self->map;	1874	if $self->map;
1497		1875
1498	$self->enter_map ($LINK_MAP, 20, 20);	1876	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1499	}	1877	}
1500		1878
1501	sub cf::object::player::leave_link {	1879	sub cf::object::player::leave_link {
1502	my ($self, $map, $x, $y) = @_;	1880	my ($self, $map, $x, $y) = @_;
1503		1881
…		…
1521	# use -1 or undef as default coordinates, not 0, 0	1899	# use -1 or undef as default coordinates, not 0, 0
1522	($x, $y) = ($map->enter_x, $map->enter_y)	1900	($x, $y) = ($map->enter_x, $map->enter_y)
1523	if $x <=0 && $y <= 0;	1901	if $x <=0 && $y <= 0;
1524		1902
1525	$map->load;	1903	$map->load;
		1904	$map->load_diag;
1526		1905
		1906	return unless $self->contr->active;
1527	$self->activate_recursive;	1907	$self->activate_recursive;
		1908
		1909	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1528	$self->enter_map ($map, $x, $y);	1910	$self->enter_map ($map, $x, $y);
1529	}	1911	}
1530		1912
1531	cf::player->attach (	1913	cf::player->attach (
1532	on_logout => sub {	1914	on_logout => sub {
…		…
1543	my ($pl) = @_;	1925	my ($pl) = @_;
1544		1926
1545	# try to abort aborted map switching on player login :)	1927	# try to abort aborted map switching on player login :)
1546	# should happen only on crashes	1928	# should happen only on crashes
1547	if ($pl->ob->{_link_pos}) {	1929	if ($pl->ob->{_link_pos}) {
1548
1549	$pl->ob->enter_link;	1930	$pl->ob->enter_link;
1550	(Coro::async_pool {	1931	(async {
		1932	$pl->ob->reply (undef,
		1933	"There was an internal problem at your last logout, "
		1934	. "the server will try to bring you to your intended destination in a second.",
		1935	cf::NDI_RED);
1551	# we need this sleep as the login has a concurrent enter_exit running	1936	# we need this sleep as the login has a concurrent enter_exit running
1552	# and this sleep increases chances of the player not ending up in scorn	1937	# and this sleep increases chances of the player not ending up in scorn
1553	Coro::Timer::sleep 1;	1938	Coro::Timer::sleep 1;
1554	$pl->ob->leave_link;	1939	$pl->ob->leave_link;
1555	})->prio (2);	1940	})->prio (2);
…		…
1564	sub cf::object::player::goto {	1949	sub cf::object::player::goto {
1565	my ($self, $path, $x, $y) = @_;	1950	my ($self, $path, $x, $y) = @_;
1566		1951
1567	$self->enter_link;	1952	$self->enter_link;
1568		1953
1569	(Coro::async_pool {	1954	(async {
1570	$path = new cf::path $path;	1955	my $map = eval {
1571
1572	my $map = cf::map::find $path->as_string;	1956	my $map = cf::map::find $path;
1573	$map = $map->customise_for ($self) if $map;	1957	$map = $map->customise_for ($self) if $map;
1574		1958	$map
1575	# warn "entering ", $map->path, " at ($x, $y)\n"	1959	} or
1576	# if $map;
1577
1578	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1960	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1579		1961
1580	$self->leave_link ($map, $x, $y);	1962	$self->leave_link ($map, $x, $y);
1581	})->prio (1);	1963	})->prio (1);
1582	}	1964	}
1583		1965
…		…
1587		1969
1588	sub parse_random_map_params {	1970	sub parse_random_map_params {
1589	my ($spec) = @_;	1971	my ($spec) = @_;
1590		1972
1591	my $rmp = { # defaults	1973	my $rmp = { # defaults
1592	xsize => 10,	1974	xsize => (cf::rndm 15, 40),
1593	ysize => 10,	1975	ysize => (cf::rndm 15, 40),
		1976	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1977	#layout => string,
1594	};	1978	};
1595		1979
1596	for (split /\n/, $spec) {	1980	for (split /\n/, $spec) {
1597	my ($k, $v) = split /\s+/, $_, 2;	1981	my ($k, $v) = split /\s+/, $_, 2;
1598		1982
…		…
1602	$rmp	1986	$rmp
1603	}	1987	}
1604		1988
1605	sub prepare_random_map {	1989	sub prepare_random_map {
1606	my ($exit) = @_;	1990	my ($exit) = @_;
		1991
		1992	my $guard = cf::lock_acquire "exit_prepare:$exit";
1607		1993
1608	# all this does is basically replace the /! path by	1994	# all this does is basically replace the /! path by
1609	# a new random map path (?random/...) with a seed	1995	# a new random map path (?random/...) with a seed
1610	# that depends on the exit object	1996	# that depends on the exit object
1611		1997
1612	my $rmp = parse_random_map_params $exit->msg;	1998	my $rmp = parse_random_map_params $exit->msg;
1613		1999
1614	if ($exit->map) {	2000	if ($exit->map) {
1615	$rmp->{region} = $exit->map->region_name;	2001	$rmp->{region} = $exit->region->name;
1616	$rmp->{origin_map} = $exit->map->path;	2002	$rmp->{origin_map} = $exit->map->path;
1617	$rmp->{origin_x} = $exit->x;	2003	$rmp->{origin_x} = $exit->x;
1618	$rmp->{origin_y} = $exit->y;	2004	$rmp->{origin_y} = $exit->y;
1619	}	2005	}
1620		2006
1621	$rmp->{random_seed} ||= $exit->random_seed;	2007	$rmp->{random_seed} ||= $exit->random_seed;
1622		2008
1623	my $data = cf::to_json $rmp;	2009	my $data = cf::to_json $rmp;
1624	my $md5 = Digest::MD5::md5_hex $data;	2010	my $md5 = Digest::MD5::md5_hex $data;
		2011	my $meta = "$RANDOMDIR/$md5.meta";
1625		2012
1626	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2013	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1627	aio_write $fh, 0, (length $data), $data, 0;	2014	aio_write $fh, 0, (length $data), $data, 0;
		2015	undef $fh;
		2016	aio_rename "$meta~", $meta;
1628		2017
1629	$exit->slaying ("?random/$md5");	2018	$exit->slaying ("?random/$md5");
1630	$exit->msg (undef);	2019	$exit->msg (undef);
1631	}	2020	}
1632	}	2021	}
…		…
1634	sub cf::object::player::enter_exit {	2023	sub cf::object::player::enter_exit {
1635	my ($self, $exit) = @_;	2024	my ($self, $exit) = @_;
1636		2025
1637	return unless $self->type == cf::PLAYER;	2026	return unless $self->type == cf::PLAYER;
1638		2027
		2028	if ($exit->slaying eq "/!") {
		2029	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2030	# the problem is that $exit might not survive long enough
		2031	# so it needs to be done right now, right here
		2032	cf::sync_job { prepare_random_map $exit };
		2033	}
		2034
		2035	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2036	my $hp = $exit->stats->hp;
		2037	my $sp = $exit->stats->sp;
		2038
1639	$self->enter_link;	2039	$self->enter_link;
1640		2040
1641	(Coro::async_pool {	2041	(async {
1642	$self->deactivate_recursive; # just to be sure	2042	$self->deactivate_recursive; # just to be sure
1643	unless (eval {	2043	unless (eval {
1644	prepare_random_map $exit	2044	$self->goto ($slaying, $hp, $sp);
1645	if $exit->slaying eq "/!";
1646
1647	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1648	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1649		2045
1650	1;	2046	1;
1651	}) {	2047	}) {
1652	$self->message ("Something went wrong deep within the crossfire server. "	2048	$self->message ("Something went wrong deep within the crossfire server. "
1653	. "I'll try to bring you back to the map you were before. "	2049	. "I'll try to bring you back to the map you were before. "
1654	. "Please report this to the dungeon master",	2050	. "Please report this to the dungeon master!",
1655	cf::NDI_UNIQUE | cf::NDI_RED);	2051	cf::NDI_UNIQUE | cf::NDI_RED);
1656		2052
1657	warn "ERROR in enter_exit: $@";	2053	warn "ERROR in enter_exit: $@";
1658	$self->leave_link;	2054	$self->leave_link;
1659	}	2055	}
1660	})->prio (1);	2056	})->prio (1);
…		…
1673		2069
1674	sub cf::client::send_drawinfo {	2070	sub cf::client::send_drawinfo {
1675	my ($self, $text, $flags) = @_;	2071	my ($self, $text, $flags) = @_;
1676		2072
1677	utf8::encode $text;	2073	utf8::encode $text;
1678	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2074	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1679	}	2075	}
1680		2076
		2077	=item $client->ext_event ($type, %msg)
		2078
		2079	Sends an exti event to the client.
		2080
		2081	=cut
		2082
		2083	sub cf::client::ext_event($$%) {
		2084	my ($self, $type, %msg) = @_;
		2085
		2086	$msg{msgtype} = "event_$type";
		2087	$self->send_packet ("ext " . cf::to_json \%msg);
		2088	}
1681		2089
1682	=item $success = $client->query ($flags, "text", \&cb)	2090	=item $success = $client->query ($flags, "text", \&cb)
1683		2091
1684	Queues a query to the client, calling the given callback with	2092	Queues a query to the client, calling the given callback with
1685	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2093	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1714	# get handled first	2122	# get handled first
1715	my $queue = delete $ns->{query_queue}	2123	my $queue = delete $ns->{query_queue}
1716	or return; # be conservative, not sure how that can happen, but we saw a crash here	2124	or return; # be conservative, not sure how that can happen, but we saw a crash here
1717		2125
1718	(shift @$queue)->[1]->($msg);	2126	(shift @$queue)->[1]->($msg);
		2127	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1719		2128
1720	push @{ $ns->{query_queue} }, @$queue;	2129	push @{ $ns->{query_queue} }, @$queue;
1721		2130
1722	if (@{ $ns->{query_queue} } == @$queue) {	2131	if (@{ $ns->{query_queue} } == @$queue) {
1723	if (@$queue) {	2132	if (@$queue) {
…		…
1727	}	2136	}
1728	}	2137	}
1729	},	2138	},
1730	);	2139	);
1731		2140
1732	=item $client->coro (\&cb)	2141	=item $client->async (\&cb)
1733		2142
1734	Create a new coroutine, running the specified callback. The coroutine will	2143	Create a new coroutine, running the specified callback. The coroutine will
1735	be automatically cancelled when the client gets destroyed (e.g. on logout,	2144	be automatically cancelled when the client gets destroyed (e.g. on logout,
1736	or loss of connection).	2145	or loss of connection).
1737		2146
1738	=cut	2147	=cut
1739		2148
1740	sub cf::client::coro {	2149	sub cf::client::async {
1741	my ($self, $cb) = @_;	2150	my ($self, $cb) = @_;
1742		2151
1743	my $coro = &Coro::async_pool ($cb);	2152	my $coro = &Coro::async ($cb);
1744		2153
1745	$coro->on_destroy (sub {	2154	$coro->on_destroy (sub {
1746	delete $self->{_coro}{$coro+0};	2155	delete $self->{_coro}{$coro+0};
1747	});	2156	});
1748		2157
…		…
1781		2190
1782	# here we export the classes and methods available to script code	2191	# here we export the classes and methods available to script code
1783		2192
1784	=pod	2193	=pod
1785		2194
1786	The following fucntions and emthods are available within a safe environment:	2195	The following functions and methods are available within a safe environment:
1787		2196
1788	cf::object contr pay_amount pay_player map	2197	cf::object contr pay_amount pay_player map
1789	cf::object::player player	2198	cf::object::player player
1790	cf::player peaceful	2199	cf::player peaceful
1791	cf::map trigger	2200	cf::map trigger
…		…
1876	#############################################################################	2285	#############################################################################
1877		2286
1878	=head2 EXTENSION DATABASE SUPPORT	2287	=head2 EXTENSION DATABASE SUPPORT
1879		2288
1880	Crossfire maintains a very simple database for extension use. It can	2289	Crossfire maintains a very simple database for extension use. It can
1881	currently store anything that can be serialised using Storable, which	2290	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1882	excludes objects.	2291	convert to/from binary).
1883		2292
1884	The parameter C<$family> should best start with the name of the extension	2293	The parameter C<$family> should best start with the name of the extension
1885	using it, it should be unique.	2294	using it, it should be unique.
1886		2295
1887	=over 4	2296	=over 4
1888		2297
1889	=item $hashref = cf::db_get $family
1890
1891	Return a hashref for use by the extension C<$family>, which can be
1892	modified. After modifications, you have to call C<cf::db_dirty> or
1893	C<cf::db_sync>.
1894
1895	=item $value = cf::db_get $family => $key	2298	=item $value = cf::db_get $family => $key
1896		2299
1897	Returns a single value from the database	2300	Returns a single value from the database.
1898
1899	=item cf::db_put $family => $hashref
1900
1901	Stores the given family hashref into the database. Updates are delayed, if
1902	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1903		2301
1904	=item cf::db_put $family => $key => $value	2302	=item cf::db_put $family => $key => $value
1905		2303
1906	Stores the given C<$value> in the family hash. Updates are delayed, if you	2304	Stores the given C<$value> in the family.
1907	want the data to be synced to disk immediately, use C<cf::db_sync>.
1908
1909	=item cf::db_dirty
1910
1911	Marks the database as dirty, to be updated at a later time.
1912
1913	=item cf::db_sync
1914
1915	Immediately write the database to disk I<if it is dirty>.
1916		2305
1917	=cut	2306	=cut
1918		2307
1919	our $DB;	2308	our $DB;
1920		2309
1921	{	2310	sub db_init {
1922	my $path = cf::localdir . "/database.pst";	2311	unless ($DB) {
		2312	$DB = BDB::db_create $DB_ENV;
1923		2313
1924	sub db_load() {	2314	cf::sync_job {
1925	$DB = stat $path ? Storable::retrieve $path : { };	2315	eval {
1926	}	2316	$DB->set_flags (BDB::CHKSUM);
1927		2317
1928	my $pid;	2318	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
1929		2319	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
1930	sub db_save() {	2320	cf::cleanup "db_open(db): $!" if $!;
1931	waitpid $pid, 0 if $pid;	2321	};
1932	if (0 == ($pid = fork)) {	2322	cf::cleanup "db_open(db): $@" if $@;
1933	$DB->{_meta}{version} = 1;
1934	Storable::nstore $DB, "$path~";
1935	rename "$path~", $path;
1936	cf::_exit 0 if defined $pid;
1937	}	2323	};
1938	}
1939
1940	my $dirty;
1941
1942	sub db_sync() {
1943	db_save if $dirty;
1944	undef $dirty;
1945	}
1946
1947	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1948	db_sync;
1949	});	2324	}
		2325	}
1950		2326
1951	sub db_dirty() {
1952	$dirty = 1;
1953	$idle->start;
1954	}
1955
1956	sub db_get($;$) {	2327	sub db_get($$) {
1957	@_ >= 2	2328	my $key = "$_[0]/$_[1]";
1958	? $DB->{$_[0]}{$_[1]}
1959	: ($DB->{$_[0]} ||= { })
1960	}
1961		2329
		2330	cf::sync_job {
		2331	BDB::db_get $DB, undef, $key, my $data;
		2332
		2333	$! ? ()
		2334	: $data
		2335	}
		2336	}
		2337
1962	sub db_put($$;$) {	2338	sub db_put($$$) {
1963	if (@_ >= 3) {	2339	BDB::dbreq_pri 4;
1964	$DB->{$_[0]}{$_[1]} = $_[2];	2340	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
1965	} else {	2341	}
1966	$DB->{$_[0]} = $_[1];
1967	}
1968	db_dirty;
1969	}
1970		2342
1971	cf::global->attach (	2343	=item cf::cache $id => [$paths...], $processversion => $process
1972	prio => 10000,	2344
1973	on_cleanup => sub {	2345	Generic caching function that returns the value of the resource $id,
1974	db_sync;	2346	caching and regenerating as required.
		2347
		2348	This function can block.
		2349
		2350	=cut
		2351
		2352	sub cache {
		2353	my ($id, $src, $processversion, $process) = @_;
		2354
		2355	my $meta =
		2356	join "\x00",
		2357	$processversion,
		2358	map {
		2359	aio_stat $_
		2360	and Carp::croak "$_: $!";
		2361
		2362	($_, (stat _)[7,9])
		2363	} @$src;
		2364
		2365	my $dbmeta = db_get cache => "$id/meta";
		2366	if ($dbmeta ne $meta) {
		2367	# changed, we may need to process
		2368
		2369	my @data;
		2370	my $md5;
		2371
		2372	for (0 .. $#$src) {
		2373	0 <= aio_load $src->[$_], $data[$_]
		2374	or Carp::croak "$src->[$_]: $!";
1975	},	2375	}
1976	);	2376
		2377	# if processing is expensive, check
		2378	# checksum first
		2379	if (1) {
		2380	$md5 =
		2381	join "\x00",
		2382	$processversion,
		2383	map {
		2384	Coro::cede;
		2385	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2386	} 0.. $#$src;
		2387
		2388
		2389	my $dbmd5 = db_get cache => "$id/md5";
		2390	if ($dbmd5 eq $md5) {
		2391	db_put cache => "$id/meta", $meta;
		2392
		2393	return db_get cache => "$id/data";
		2394	}
		2395	}
		2396
		2397	my $t1 = Time::HiRes::time;
		2398	my $data = $process->(\@data);
		2399	my $t2 = Time::HiRes::time;
		2400
		2401	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2402
		2403	db_put cache => "$id/data", $data;
		2404	db_put cache => "$id/md5" , $md5;
		2405	db_put cache => "$id/meta", $meta;
		2406
		2407	return $data;
		2408	}
		2409
		2410	db_get cache => "$id/data"
1977	}	2411	}
		2412
		2413	=item fork_call { }, $args
		2414
		2415	Executes the given code block with the given arguments in a seperate
		2416	process, returning the results. Everything must be serialisable with
		2417	Coro::Storable. May, of course, block. Note that the executed sub may
		2418	never block itself or use any form of Event handling.
		2419
		2420	=cut
		2421
		2422	sub fork_call(&@) {
		2423	my ($cb, @args) = @_;
		2424
		2425	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2426	# or die "socketpair: $!";
		2427	pipe my $fh1, my $fh2
		2428	or die "pipe: $!";
		2429
		2430	if (my $pid = fork) {
		2431	close $fh2;
		2432
		2433	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2434	$res = Coro::Storable::thaw $res;
		2435
		2436	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2437
		2438	die $$res unless "ARRAY" eq ref $res;
		2439
		2440	return wantarray ? @$res : $res->[-1];
		2441	} else {
		2442	local $SIG{__WARN__};
		2443	eval {
		2444	local $SIG{__DIE__};
		2445	close $fh1;
		2446
		2447	my @res = eval { $cb->(@args) };
		2448	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2449	};
		2450
		2451	warn $@ if $@;
		2452	_exit 0;
		2453	}
		2454	}
		2455
		2456
1978		2457
1979	#############################################################################	2458	#############################################################################
1980	# the server's main()	2459	# the server's init and main functions
		2460
		2461	sub load_facedata($) {
		2462	my ($path) = @_;
		2463
		2464	warn "loading facedata from $path\n";
		2465
		2466	my $facedata;
		2467	0 < aio_load $path, $facedata
		2468	or die "$path: $!";
		2469
		2470	$facedata = Coro::Storable::thaw $facedata;
		2471
		2472	$facedata->{version} == 2
		2473	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2474
		2475	{
		2476	my $faces = $facedata->{faceinfo};
		2477
		2478	while (my ($face, $info) = each %$faces) {
		2479	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2480	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2481	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2482	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2483	Coro::cede;
		2484	}
		2485
		2486	while (my ($face, $info) = each %$faces) {
		2487	next unless $info->{smooth};
		2488	my $idx = cf::face::find $face
		2489	or next;
		2490	if (my $smooth = cf::face::find $info->{smooth}) {
		2491	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2492	} else {
		2493	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2494	}
		2495	Coro::cede;
		2496	}
		2497	}
		2498
		2499	{
		2500	my $anims = $facedata->{animinfo};
		2501
		2502	while (my ($anim, $info) = each %$anims) {
		2503	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2504	Coro::cede;
		2505	}
		2506
		2507	cf::anim::invalidate_all; # d'oh
		2508	}
		2509
		2510	1
		2511	}
		2512
		2513	sub reload_regions {
		2514	load_resource_file "$MAPDIR/regions"
		2515	or die "unable to load regions file\n";
		2516	}
		2517
		2518	sub reload_facedata {
		2519	load_facedata "$DATADIR/facedata"
		2520	or die "unable to load facedata\n";
		2521	}
		2522
		2523	sub reload_archetypes {
		2524	load_resource_file "$DATADIR/archetypes"
		2525	or die "unable to load archetypes\n";
		2526	}
		2527
		2528	sub reload_treasures {
		2529	load_resource_file "$DATADIR/treasures"
		2530	or die "unable to load treasurelists\n";
		2531	}
		2532
		2533	sub reload_resources {
		2534	warn "reloading resource files...\n";
		2535
		2536	reload_regions;
		2537	reload_facedata;
		2538	reload_archetypes;
		2539	reload_treasures;
		2540
		2541	warn "finished reloading resource files\n";
		2542	}
		2543
		2544	sub init {
		2545	reload_resources;
		2546	}
1981		2547
1982	sub cfg_load {	2548	sub cfg_load {
1983	open my $fh, "<:utf8", cf::confdir . "/config"	2549	open my $fh, "<:utf8", "$CONFDIR/config"
1984	or return;	2550	or return;
1985		2551
1986	local $/;	2552	local $/;
1987	*CFG = YAML::Syck::Load <$fh>;	2553	*CFG = YAML::Syck::Load <$fh>;
1988		2554
…		…
1991	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2557	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
1992	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2558	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1993		2559
1994	if (exists $CFG{mlockall}) {	2560	if (exists $CFG{mlockall}) {
1995	eval {	2561	eval {
1996	$CFG{mlockall} ? &mlockall : &munlockall	2562	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1997	and die "WARNING: m(un)lockall failed: $!\n";	2563	and die "WARNING: m(un)lockall failed: $!\n";
1998	};	2564	};
1999	warn $@ if $@;	2565	warn $@ if $@;
2000	}	2566	}
2001	}	2567	}
2002		2568
2003	sub main {	2569	sub main {
2004	# we must not ever block the main coroutine	2570	# we must not ever block the main coroutine
2005	local $Coro::idle = sub {	2571	local $Coro::idle = sub {
2006	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2007	Coro::async_pool { Event::one_event };	2573	(async {
		2574	Event::one_event;
		2575	})->prio (Coro::PRIO_MAX);
2008	};	2576	};
2009		2577
2010	cfg_load;	2578	cfg_load;
2011	db_load;	2579	db_init;
2012	load_extensions;	2580	load_extensions;
		2581
		2582	$TICK_WATCHER->start;
2013	Event::loop;	2583	Event::loop;
2014	}	2584	}
2015		2585
2016	#############################################################################	2586	#############################################################################
2017	# initialisation	2587	# initialisation and cleanup
2018		2588
		2589	# install some emergency cleanup handlers
		2590	BEGIN {
		2591	for my $signal (qw(INT HUP TERM)) {
		2592	Event->signal (
		2593	reentrant => 0,
		2594	data => WF_AUTOCANCEL,
		2595	signal => $signal,
		2596	prio => 0,
		2597	cb => sub {
		2598	cf::cleanup "SIG$signal";
		2599	},
		2600	);
		2601	}
		2602	}
		2603
		2604	sub emergency_save() {
		2605	my $freeze_guard = cf::freeze_mainloop;
		2606
		2607	warn "enter emergency perl save\n";
		2608
		2609	cf::sync_job {
		2610	# use a peculiar iteration method to avoid tripping on perl
		2611	# refcount bugs in for. also avoids problems with players
		2612	# and maps saved/destroyed asynchronously.
		2613	warn "begin emergency player save\n";
		2614	for my $login (keys %cf::PLAYER) {
		2615	my $pl = $cf::PLAYER{$login} or next;
		2616	$pl->valid or next;
		2617	$pl->save;
		2618	}
		2619	warn "end emergency player save\n";
		2620
		2621	warn "begin emergency map save\n";
		2622	for my $path (keys %cf::MAP) {
		2623	my $map = $cf::MAP{$path} or next;
		2624	$map->valid or next;
		2625	$map->save;
		2626	}
		2627	warn "end emergency map save\n";
		2628
		2629	warn "begin emergency database checkpoint\n";
		2630	BDB::db_env_txn_checkpoint $DB_ENV;
		2631	warn "end emergency database checkpoint\n";
		2632	};
		2633
		2634	warn "leave emergency perl save\n";
		2635	}
		2636
		2637	sub post_cleanup {
		2638	my ($make_core) = @_;
		2639
		2640	warn Carp::longmess "post_cleanup backtrace"
		2641	if $make_core;
		2642	}
		2643
2019	sub reload() {	2644	sub do_reload_perl() {
2020	# can/must only be called in main	2645	# can/must only be called in main
2021	if ($Coro::current != $Coro::main) {	2646	if ($Coro::current != $Coro::main) {
2022	warn "can only reload from main coroutine\n";	2647	warn "can only reload from main coroutine";
2023	return;	2648	return;
2024	}	2649	}
2025		2650
2026	warn "reloading...";	2651	warn "reloading...";
2027		2652
2028	my $guard = freeze_mainloop;	2653	warn "entering sync_job";
		2654
		2655	cf::sync_job {
		2656	cf::write_runtime; # external watchdog should not bark
2029	cf::emergency_save;	2657	cf::emergency_save;
		2658	cf::write_runtime; # external watchdog should not bark
2030		2659
2031	eval {	2660	warn "syncing database to disk";
		2661	BDB::db_env_txn_checkpoint $DB_ENV;
		2662
2032	# if anything goes wrong in here, we should simply crash as we already saved	2663	# if anything goes wrong in here, we should simply crash as we already saved
2033		2664
2034	# cancel all watchers	2665	warn "cancelling all WF_AUTOCANCEL watchers";
2035	for (Event::all_watchers) {	2666	for (Event::all_watchers) {
2036	$_->cancel if $_->data & WF_AUTOCANCEL;	2667	$_->cancel if $_->data & WF_AUTOCANCEL;
2037	}	2668	}
2038		2669
		2670	warn "flushing outstanding aio requests";
		2671	for (;;) {
		2672	BDB::flush;
		2673	IO::AIO::flush;
		2674	Coro::cede;
		2675	last unless IO::AIO::nreqs || BDB::nreqs;
		2676	warn "iterate...";
		2677	}
		2678
		2679	++$RELOAD;
		2680
2039	# cancel all extension coros	2681	warn "cancelling all extension coros";
2040	$_->cancel for values %EXT_CORO;	2682	$_->cancel for values %EXT_CORO;
2041	%EXT_CORO = ();	2683	%EXT_CORO = ();
2042		2684
2043	# unload all extensions	2685	warn "removing commands";
2044	for (@exts) {	2686	%COMMAND = ();
		2687
		2688	warn "removing ext commands";
		2689	%EXTCMD = ();
		2690
		2691	warn "unloading/nuking all extensions";
		2692	for my $pkg (@EXTS) {
2045	warn "unloading <$_>";	2693	warn "... unloading $pkg";
2046	unload_extension $_;	2694
		2695	if (my $cb = $pkg->can ("unload")) {
		2696	eval {
		2697	$cb->($pkg);
		2698	1
		2699	} or warn "$pkg unloaded, but with errors: $@";
2047	}	2700	}
2048		2701
		2702	warn "... nuking $pkg";
		2703	Symbol::delete_package $pkg;
		2704	}
		2705
2049	# unload all modules loaded from $LIBDIR	2706	warn "unloading all perl modules loaded from $LIBDIR";
2050	while (my ($k, $v) = each %INC) {	2707	while (my ($k, $v) = each %INC) {
2051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2708	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2052		2709
2053	warn "removing <$k>";	2710	warn "... unloading $k";
2054	delete $INC{$k};	2711	delete $INC{$k};
2055		2712
2056	$k =~ s/\.pm$//;	2713	$k =~ s/\.pm$//;
2057	$k =~ s/\//::/g;	2714	$k =~ s/\//::/g;
2058		2715
…		…
2061	}	2718	}
2062		2719
2063	Symbol::delete_package $k;	2720	Symbol::delete_package $k;
2064	}	2721	}
2065		2722
2066	# sync database to disk
2067	cf::db_sync;
2068	IO::AIO::flush;
2069
2070	# get rid of safe::, as good as possible	2723	warn "getting rid of safe::, as good as possible";
2071	Symbol::delete_package "safe::$_"	2724	Symbol::delete_package "safe::$_"
2072	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2725	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2073		2726
2074	# remove register_script_function callbacks
2075	# TODO
2076
2077	# unload cf.pm "a bit"	2727	warn "unloading cf.pm \"a bit\"";
2078	delete $INC{"cf.pm"};	2728	delete $INC{"cf.pm"};
		2729	delete $INC{"cf/pod.pm"};
2079		2730
2080	# don't, removes xs symbols, too,	2731	# don't, removes xs symbols, too,
2081	# and global variables created in xs	2732	# and global variables created in xs
2082	#Symbol::delete_package __PACKAGE__;	2733	#Symbol::delete_package __PACKAGE__;
2083		2734
2084	# reload cf.pm	2735	warn "unload completed, starting to reload now";
		2736
2085	warn "reloading cf.pm";	2737	warn "reloading cf.pm";
2086	require cf;	2738	require cf;
2087	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2739	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2088		2740
2089	# load config and database again	2741	warn "loading config and database again";
2090	cf::cfg_load;	2742	cf::cfg_load;
2091	cf::db_load;
2092		2743
2093	# load extensions
2094	warn "load extensions";	2744	warn "loading extensions";
2095	cf::load_extensions;	2745	cf::load_extensions;
2096		2746
2097	# reattach attachments to objects	2747	warn "reattaching attachments to objects/players";
2098	warn "reattach";	2748	_global_reattach; # objects, sockets
2099	_global_reattach;	2749	warn "reattaching attachments to maps";
2100	};	2750	reattach $_ for values %MAP;
		2751	warn "reattaching attachments to players";
		2752	reattach $_ for values %PLAYER;
2101		2753
2102	if ($@) {	2754	warn "leaving sync_job";
		2755
		2756	1
		2757	} or do {
2103	warn $@;	2758	warn $@;
2104	warn "error while reloading, exiting.";	2759	warn "error while reloading, exiting.";
2105	exit 1;	2760	exit 1;
2106	}	2761	};
2107		2762
2108	warn "reloaded successfully";	2763	warn "reloaded";
2109	};	2764	};
2110		2765
2111	#############################################################################	2766	our $RELOAD_WATCHER; # used only during reload
2112		2767
2113	unless ($LINK_MAP) {	2768	sub reload_perl() {
2114	$LINK_MAP = cf::map::new;	2769	# doing reload synchronously and two reloads happen back-to-back,
		2770	# coro crashes during coro_state_free->destroy here.
2115		2771
2116	$LINK_MAP->width (41);	2772	$RELOAD_WATCHER ||= Event->timer (
2117	$LINK_MAP->height (41);	2773	reentrant => 0,
2118	$LINK_MAP->alloc;
2119	$LINK_MAP->path ("{link}");
2120	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2121	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2122
2123	# dirty hack because... archetypes are not yet loaded
2124	Event->timer (
2125	after => 2,	2774	after => 0,
		2775	data => WF_AUTOCANCEL,
2126	cb => sub {	2776	cb => sub {
2127	$_[0]->w->cancel;	2777	do_reload_perl;
2128		2778	undef $RELOAD_WATCHER;
2129	# provide some exits "home"
2130	my $exit = cf::object::new "exit";
2131
2132	$exit->slaying ($EMERGENCY_POSITION->[0]);
2133	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2134	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2135
2136	$LINK_MAP->insert ($exit->clone, 19, 19);
2137	$LINK_MAP->insert ($exit->clone, 19, 20);
2138	$LINK_MAP->insert ($exit->clone, 19, 21);
2139	$LINK_MAP->insert ($exit->clone, 20, 19);
2140	$LINK_MAP->insert ($exit->clone, 20, 21);
2141	$LINK_MAP->insert ($exit->clone, 21, 19);
2142	$LINK_MAP->insert ($exit->clone, 21, 20);
2143	$LINK_MAP->insert ($exit->clone, 21, 21);
2144
2145	$exit->destroy;
2146	});	2779	},
2147		2780	);
2148	$LINK_MAP->{deny_save} = 1;
2149	$LINK_MAP->{deny_reset} = 1;
2150
2151	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2152	}	2781	}
2153
2154	register "<global>", __PACKAGE__;
2155		2782
2156	register_command "reload" => sub {	2783	register_command "reload" => sub {
2157	my ($who, $arg) = @_;	2784	my ($who, $arg) = @_;
2158		2785
2159	if ($who->flag (FLAG_WIZ)) {	2786	if ($who->flag (FLAG_WIZ)) {
2160	$who->message ("start of reload.");
2161	reload;
2162	$who->message ("end of reload.");	2787	$who->message ("reloading server.");
		2788	async { reload_perl };
2163	}	2789	}
2164	};	2790	};
2165		2791
2166	unshift @INC, $LIBDIR;	2792	unshift @INC, $LIBDIR;
		2793
		2794	my $bug_warning = 0;
		2795
		2796	our @WAIT_FOR_TICK;
		2797	our @WAIT_FOR_TICK_BEGIN;
		2798
		2799	sub wait_for_tick {
		2800	return unless $TICK_WATCHER->is_active;
		2801	return if $Coro::current == $Coro::main;
		2802
		2803	my $signal = new Coro::Signal;
		2804	push @WAIT_FOR_TICK, $signal;
		2805	$signal->wait;
		2806	}
		2807
		2808	sub wait_for_tick_begin {
		2809	return unless $TICK_WATCHER->is_active;
		2810	return if $Coro::current == $Coro::main;
		2811
		2812	my $signal = new Coro::Signal;
		2813	push @WAIT_FOR_TICK_BEGIN, $signal;
		2814	$signal->wait;
		2815	}
2167		2816
2168	$TICK_WATCHER = Event->timer (	2817	$TICK_WATCHER = Event->timer (
2169	reentrant => 0,	2818	reentrant => 0,
		2819	parked => 1,
2170	prio => 0,	2820	prio => 0,
2171	at => $NEXT_TICK || $TICK,	2821	at => $NEXT_TICK || $TICK,
2172	data => WF_AUTOCANCEL,	2822	data => WF_AUTOCANCEL,
2173	cb => sub {	2823	cb => sub {
		2824	if ($Coro::current != $Coro::main) {
		2825	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2826	unless ++$bug_warning > 10;
		2827	return;
		2828	}
		2829
		2830	$NOW = Event::time;
		2831
2174	cf::server_tick; # one server iteration	2832	cf::server_tick; # one server iteration
		2833
2175	$RUNTIME += $TICK;	2834	$RUNTIME += $TICK;
2176	$NEXT_TICK += $TICK;	2835	$NEXT_TICK += $TICK;
2177		2836
		2837	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2838	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2839	Coro::async_pool {
		2840	write_runtime
		2841	or warn "ERROR: unable to write runtime file: $!";
		2842	};
		2843	}
		2844
		2845	# my $AFTER = Event::time;
		2846	# warn $AFTER - $NOW;#d#
		2847
2178	# if we are delayed by four ticks or more, skip them all	2848	# if we are delayed by four ticks or more, skip them all
2179	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2849	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2180		2850
2181	$TICK_WATCHER->at ($NEXT_TICK);	2851	$TICK_WATCHER->at ($NEXT_TICK);
2182	$TICK_WATCHER->start;	2852	$TICK_WATCHER->start;
		2853
		2854	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2855	$sig->send;
		2856	}
		2857	while (my $sig = shift @WAIT_FOR_TICK) {
		2858	$sig->send;
		2859	}
		2860
		2861	_post_tick;
2183	},	2862	},
2184	);	2863	);
2185		2864
		2865	{
2186	IO::AIO::max_poll_time $TICK * 0.2;	2866	BDB::max_poll_time $TICK * 0.1;
2187		2867	$BDB_POLL_WATCHER = Event->io (
2188	Event->io (	2868	reentrant => 0,
2189	fd => IO::AIO::poll_fileno,	2869	fd => BDB::poll_fileno,
2190	poll => 'r',	2870	poll => 'r',
2191	prio => 5,	2871	prio => 0,
2192	data => WF_AUTOCANCEL,
2193	cb => \&IO::AIO::poll_cb,
2194	);
2195
2196	Event->timer (
2197	data => WF_AUTOCANCEL,	2872	data => WF_AUTOCANCEL,
2198	after => 0,	2873	cb => \&BDB::poll_cb,
2199	interval => 10,	2874	);
2200	cb => sub {	2875	BDB::min_parallel 8;
2201	(Coro::unblock_sub {	2876
2202	write_runtime	2877	BDB::set_sync_prepare {
2203	or warn "ERROR: unable to write runtime file: $!";	2878	my $status;
		2879	my $current = $Coro::current;
		2880	(
		2881	sub {
		2882	$status = $!;
		2883	$current->ready; undef $current;
		2884	},
		2885	sub {
		2886	Coro::schedule while defined $current;
		2887	$! = $status;
		2888	},
		2889	)
		2890	};
		2891
		2892	unless ($DB_ENV) {
		2893	$DB_ENV = BDB::db_env_create;
		2894
		2895	cf::sync_job {
		2896	eval {
		2897	BDB::db_env_open
		2898	$DB_ENV,
		2899	$BDBDIR,
		2900	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2901	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2902	0666;
		2903
		2904	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2905
		2906	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2907	$DB_ENV->set_lk_detect;
		2908	};
		2909
		2910	cf::cleanup "db_env_open(db): $@" if $@;
2204	})->();	2911	};
2205	},	2912	}
2206	);	2913	}
		2914
		2915	{
		2916	IO::AIO::min_parallel 8;
		2917
		2918	undef $Coro::AIO::WATCHER;
		2919	IO::AIO::max_poll_time $TICK * 0.1;
		2920	$AIO_POLL_WATCHER = Event->io (
		2921	reentrant => 0,
		2922	data => WF_AUTOCANCEL,
		2923	fd => IO::AIO::poll_fileno,
		2924	poll => 'r',
		2925	prio => 6,
		2926	cb => \&IO::AIO::poll_cb,
		2927	);
		2928	}
		2929
		2930	# load additional modules
		2931	use cf::pod;
2207		2932
2208	END { cf::emergency_save }	2933	END { cf::emergency_save }
2209		2934
2210	1	2935	1
2211		2936

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