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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.112 by root, Mon Jan 1 13:31:47 2007 UTC vs.
Revision 1.255 by root, Thu Apr 19 16:23:47 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 (2); # 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 $FREEZE;	91
55	our $RANDOM_MAPS = cf::localdir . "/random";	92	# used to convert map paths into valid unix filenames by replacing / by ∕
56	our %EXT_CORO;	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		94
58	binmode STDOUT;	95	binmode STDOUT;
59	binmode STDERR;	96	binmode STDERR;
60		97
61	# read virtual server time, if available	98	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	100	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	101	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	102	$RUNTIME = <$fh> + 0.;
66	}	103	}
67		104
68	mkdir cf::localdir;	105	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		107
74	# a special map that is always available	108	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		109
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	110	sub cf::map::normalise;
78		111
79	#############################################################################	112	#############################################################################
80		113
81	=head2 GLOBAL VARIABLES	114	=head2 GLOBAL VARIABLES
82		115
…		…
89	=item $cf::RUNTIME	122	=item $cf::RUNTIME
90		123
91	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
92	every server tick.	125	every server tick.
93		126
94	=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
95		130
96	The perl library directory, where extensions and cf-specific modules can	131	Various directories - "/etc", read-only install directory, perl-library
97	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.
98		135
99	=item $cf::NOW	136	=item $cf::NOW
100		137
101	The time of the last (current) server tick.	138	The time of the last (current) server tick.
102		139
…		…
106		143
107	=item %cf::CFG	144	=item %cf::CFG
108		145
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	146	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	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.
111		154
112	=back	155	=back
113		156
114	=cut	157	=cut
115		158
116	BEGIN {	159	BEGIN {
117	*CORE::GLOBAL::warn = sub {	160	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	161	my $msg = join "", @_;
119	utf8::encode $msg;
120		162
121	$msg .= "\n"	163	$msg .= "\n"
122	unless $msg =~ /\n$/;	164	unless $msg =~ /\n$/;
123		165
		166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
124	LOG llevError, "cfperl: $msg";	169	LOG llevError, $msg;
125	};	170	};
126	}	171	}
127		172
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		192
148	$Event::DIED = sub {	193	$Event::DIED = sub {
149	warn "error in event callback: @_";	194	warn "error in event callback: @_";
150	};	195	};
151		196
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	197	=head2 UTILITY FUNCTIONS
157		198
158	=over 4	199	=over 4
159		200
160	=cut	201	=item dumpval $ref
161		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
162	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
163		225
164	=item $ref = cf::from_json $json	226	=item $ref = cf::from_json $json
165		227
166	Converts a JSON string into the corresponding perl data structure.	228	Converts a JSON string into the corresponding perl data structure.
167		229
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	230	=item $json = cf::to_json $ref
176		231
177	Converts a perl data structure into its JSON representation.	232	Converts a perl data structure into its JSON representation.
178		233
179	=cut	234	=item cf::lock_wait $string
180		235
181	sub to_json($) {	236	Wait until the given lock is available. See cf::lock_acquire.
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	237
183	JSON::Syck::Dump $_[0]	238	=item my $lock = cf::lock_acquire $string
		239
		240	Wait until the given lock is available and then acquires it and returns
		241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		242	for example when the coroutine gets canceled), the lock is automatically
		243	returned.
		244
		245	Lock names should begin with a unique identifier (for example, cf::map::find
		246	uses map_find and cf::map::load uses map_load).
		247
		248	=item $locked = cf::lock_active $string
		249
		250	Return true if the lock is currently active, i.e. somebody has locked it.
		251
		252	=cut
		253
		254	our %LOCK;
		255
		256	sub lock_wait($) {
		257	my ($key) = @_;
		258
		259	# wait for lock, if any
		260	while ($LOCK{$key}) {
		261	push @{ $LOCK{$key} }, $Coro::current;
		262	Coro::schedule;
		263	}
184	}	264	}
		265
		266	sub lock_acquire($) {
		267	my ($key) = @_;
		268
		269	# wait, to be sure we are not locked
		270	lock_wait $key;
		271
		272	$LOCK{$key} = [];
		273
		274	Coro::guard {
		275	# wake up all waiters, to be on the safe side
		276	$_->ready for @{ delete $LOCK{$key} };
		277	}
		278	}
		279
		280	sub lock_active($) {
		281	my ($key) = @_;
		282
		283	! ! $LOCK{$key}
		284	}
		285
		286	sub freeze_mainloop {
		287	return unless $TICK_WATCHER->is_active;
		288
		289	my $guard = Coro::guard {
		290	$TICK_WATCHER->start;
		291	};
		292	$TICK_WATCHER->stop;
		293	$guard
		294	}
		295
		296	=item cf::async { BLOCK }
		297
		298	Currently the same as Coro::async_pool, meaning you cannot use
		299	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		300	thing you are allowed to do is call C<prio> on it.
		301
		302	=cut
		303
		304	BEGIN { *async = \&Coro::async_pool }
185		305
186	=item cf::sync_job { BLOCK }	306	=item cf::sync_job { BLOCK }
187		307
188	The design of crossfire+ requires that the main coro ($Coro::main) is	308	The design of crossfire+ requires that the main coro ($Coro::main) is
189	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
…		…
203	# this is the main coro, too bad, we have to block	323	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	324	# till the operation succeeds, freezing the server :/
205		325
206	# TODO: use suspend/resume instead	326	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	327	# (but this is cancel-safe)
208	local $FREEZE = 1;	328	my $freeze_guard = freeze_mainloop;
209		329
210	my $busy = 1;	330	my $busy = 1;
211	my @res;	331	my @res;
212		332
213	(Coro::async {	333	(async {
214	@res = eval { $job->() };	334	@res = eval { $job->() };
215	warn $@ if $@;	335	warn $@ if $@;
216	undef $busy;	336	undef $busy;
217	})->prio (Coro::PRIO_MAX);	337	})->prio (Coro::PRIO_MAX);
218		338
219	while ($busy) {	339	while ($busy) {
220	Coro::cede_notself;	340	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	341	}
223		342
224	wantarray ? @res : $res[0]	343	wantarray ? @res : $res[0]
225	} else {	344	} else {
226	# we are in another coroutine, how wonderful, everything just works	345	# we are in another coroutine, how wonderful, everything just works
227		346
228	$job->()	347	$job->()
229	}	348	}
230	}	349	}
231		350
232	=item $coro = cf::coro { BLOCK }	351	=item $coro = cf::async_ext { BLOCK }
233		352
234	Creates and returns a new coro. This coro is automcatially being canceled	353	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	354	extension calling this is being unloaded.
236		355
237	=cut	356	=cut
238		357
239	sub coro(&) {	358	sub async_ext(&) {
240	my $cb = shift;	359	my $cb = shift;
241		360
242	my $coro; $coro = async {	361	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		362
249	$coro->on_destroy (sub {	363	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	364	delete $EXT_CORO{$coro+0};
251	});	365	});
252	$EXT_CORO{$coro+0} = $coro;	366	$EXT_CORO{$coro+0} = $coro;
253		367
254	$coro	368	$coro
255	}	369	}
256		370
257	sub write_runtime {	371	sub write_runtime {
258	my $runtime = cf::localdir . "/runtime";	372	my $guard = cf::lock_acquire "write_runtime";
		373
		374	my $runtime = "$LOCALDIR/runtime";
259		375
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	377	or return;
262		378
		379	my $value = $cf::RUNTIME + 90 + 10;
263	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
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	383	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	384	and return;
266		385
		386	# always fsync - this file is important
267	aio_fsync $fh	387	aio_fsync $fh
268	and return;	388	and return;
269		389
270	close $fh	390	close $fh
271	or return;	391	or return;
…		…
274	and return;	394	and return;
275		395
276	1	396	1
277	}	397	}
278		398
		399	=item cf::datalog type => key => value, ...
		400
		401	Log a datalog packet of the given type with the given key-value pairs.
		402
		403	=cut
		404
		405	sub datalog($@) {
		406	my ($type, %kv) = @_;
		407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		408	}
		409
279	=back	410	=back
280		411
281	=cut	412	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	if ($path =~ s{^\?random/}{}) {
295	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
296	$self->{random} = cf::from_json $data;
297	} else {
298	if ($path =~ s{^~([^/]+)?}{}) {
299	$self->{user_rel} = 1;
300
301	if (defined $1) {
302	$self->{user} = $1;
303	} elsif ($base =~ m{^~([^/]+)/}) {
304	$self->{user} = $1;
305	} else {
306	warn "cannot resolve user-relative path without user <$path,$base>\n";
307	}
308	} elsif ($path =~ /^\//) {
309	# already absolute
310	} else {
311	$base =~ s{[^/]+/?$}{};
312	return $class->new ("$base/$path");
313	}
314
315	for ($path) {
316	redo if s{/\.?/}{/};
317	redo if s{/[^/]+/\.\./}{/};
318	}
319	}
320
321	$self->{path} = $path;
322
323	$self
324	}
325
326	# the name / primary key / in-game path
327	sub as_string {
328	my ($self) = @_;
329
330	$self->{user_rel} ? "~$self->{user}$self->{path}"
331	: $self->{random} ? "?random/$self->{path}"
332	: $self->{path}
333	}
334
335	# the displayed name, this is a one way mapping
336	sub visible_name {
337	my ($self) = @_;
338
339	# if (my $rmp = $self->{random}) {
340	# # todo: be more intelligent about this
341	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
342	# } else {
343	$self->as_string
344	# }
345	}
346
347	# escape the /'s in the path
348	sub _escaped_path {
349	# ∕ is U+2215
350	(my $path = $_[0]{path}) =~ s/\//∕/g;
351	$path
352	}
353
354	# the original (read-only) location
355	sub load_path {
356	my ($self) = @_;
357
358	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
359	}
360
361	# the temporary/swap location
362	sub save_path {
363	my ($self) = @_;
364
365	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
366	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
367	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
368	}
369
370	# the unique path, might be eq to save_path
371	sub uniq_path {
372	my ($self) = @_;
373
374	$self->{user_rel} || $self->{random}
375	? undef
376	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
377	}
378
379	# return random map parameters, or undef
380	sub random_map_params {
381	my ($self) = @_;
382
383	$self->{random}
384	}
385
386	# this is somewhat ugly, but style maps do need special treatment
387	sub is_style_map {
388	$_[0]{path} =~ m{^/styles/}
389	}
390
391	package cf;
392		413
393	#############################################################################	414	#############################################################################
394		415
395	=head2 ATTACHABLE OBJECTS	416	=head2 ATTACHABLE OBJECTS
396		417
…		…
522	our @CB_TYPE = (); # registry for type (cf-object class) based events	543	our @CB_TYPE = (); # registry for type (cf-object class) based events
523	our @CB_MAP = ();	544	our @CB_MAP = ();
524		545
525	my %attachment;	546	my %attachment;
526		547
		548	sub cf::attachable::thawer_merge {
		549	# simply override everything except _meta
		550	local $_[0]{_meta};
		551	%{$_[0]} = %{$_[1]};
		552	}
		553
527	sub _attach_cb($$$$) {	554	sub _attach_cb($$$$) {
528	my ($registry, $event, $prio, $cb) = @_;	555	my ($registry, $event, $prio, $cb) = @_;
529		556
530	use sort 'stable';	557	use sort 'stable';
531		558
…		…
702	# object support	729	# object support
703		730
704	sub reattach {	731	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	732	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	733	my ($obj) = @_;
		734
		735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
707		736
708	my $registry = $obj->registry;	737	my $registry = $obj->registry;
709		738
710	@$registry = ();	739	@$registry = ();
711		740
…		…
758	$filename, length $$rdata, scalar @$objs;	787	$filename, length $$rdata, scalar @$objs;
759		788
760	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
761	chmod SAVE_MODE, $fh;	790	chmod SAVE_MODE, $fh;
762	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
763	aio_fsync $fh;	792	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	793	close $fh;
765		794
766	if (@$objs) {	795	if (@$objs) {
767	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) {
768	chmod SAVE_MODE, $fh;	797	chmod SAVE_MODE, $fh;
769	my $data = Storable::nfreeze { version => 1, objs => $objs };	798	my $data = Storable::nfreeze { version => 1, objs => $objs };
770	aio_write $fh, 0, (length $data), $data, 0;	799	aio_write $fh, 0, (length $data), $data, 0;
771	aio_fsync $fh;	800	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	801	close $fh;
773	aio_rename "$filename.pst~", "$filename.pst";	802	aio_rename "$filename.pst~", "$filename.pst";
774	}	803	}
775	} else {	804	} else {
776	aio_unlink "$filename.pst";	805	aio_unlink "$filename.pst";
…		…
804	or return;	833	or return;
805		834
806	unless (aio_stat "$filename.pst") {	835	unless (aio_stat "$filename.pst") {
807	(aio_load "$filename.pst", $av) >= 0	836	(aio_load "$filename.pst", $av) >= 0
808	or return;	837	or return;
809	$av = eval { (Storable::thaw <$av>)->{objs} };	838	$av = eval { (Storable::thaw $av)->{objs} };
810	}	839	}
811		840
		841	warn sprintf "loading %s (%d)\n",
		842	$filename, length $data, scalar @{$av || []};#d#
812	return ($data, $av);	843	return ($data, $av);
813	}	844	}
814		845
815	#############################################################################	846	#############################################################################
816	# command handling &c	847	# command handling &c
…		…
841	=cut	872	=cut
842		873
843	sub register_extcmd {	874	sub register_extcmd {
844	my ($name, $cb) = @_;	875	my ($name, $cb) = @_;
845		876
846	my $caller = caller;
847	#warn "registering extcmd '$name' to '$caller'";
848
849	$EXTCMD{$name} = [$cb, $caller];	877	$EXTCMD{$name} = $cb;
850	}	878	}
851		879
852	cf::player->attach (	880	cf::player->attach (
853	on_command => sub {	881	on_command => sub {
854	my ($pl, $name, $params) = @_;	882	my ($pl, $name, $params) = @_;
…		…
867		895
868	my $msg = eval { from_json $buf };	896	my $msg = eval { from_json $buf };
869		897
870	if (ref $msg) {	898	if (ref $msg) {
871	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
872	if (my %reply = $cb->[0]->($pl, $msg)) {	900	if (my %reply = $cb->($pl, $msg)) {
873	$pl->ext_reply ($msg->{msgid}, %reply);	901	$pl->ext_reply ($msg->{msgid}, %reply);
874	}	902	}
875	}	903	}
876	} else {	904	} else {
877	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
879		907
880	cf::override;	908	cf::override;
881	},	909	},
882	);	910	);
883		911
884	sub register {
885	my ($base, $pkg) = @_;
886
887	#TODO
888	}
889
890	sub load_extension {	912	sub load_extension {
891	my ($path) = @_;	913	my ($path) = @_;
892		914
893	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
894	my $base = $1;	916	my $base = $1;
895	my $pkg = $1;	917	my $pkg = $1;
896	$pkg =~ s/[^[:word:]]/_/g;	918	$pkg =~ s/[^[:word:]]/_/g;
897	$pkg = "ext::$pkg";	919	$pkg = "ext::$pkg";
898		920
899	warn "loading '$path' into '$pkg'\n";	921	warn "... loading '$path' into '$pkg'\n";
900		922
901	open my $fh, "<:utf8", $path	923	open my $fh, "<:utf8", $path
902	or die "$path: $!";	924	or die "$path: $!";
903		925
904	my $source =	926	my $source =
905	"package $pkg; use strict; use utf8;\n"	927	"package $pkg; use strict; use utf8;\n"
906	. "#line 1 \"$path\"\n{\n"	928	. "#line 1 \"$path\"\n{\n"
907	. (do { local $/; <$fh> })	929	. (do { local $/; <$fh> })
908	. "\n};\n1";	930	. "\n};\n1";
909		931
910	eval $source	932	unless (eval $source) {
911	or die $@ ? "$path: $@\n"	933	my $msg = $@ ? "$path: $@\n"
912	: "extension disabled.\n";	934	: "extension disabled.\n";
913		935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
914	push @exts, $pkg;	936	warn $@;
915	$ext_pkg{$base} = $pkg;	937	warn "mandatory extension failed to load, exiting.\n";
916		938	exit 1;
917	# no strict 'refs';	939	}
918	# @{"$pkg\::ISA"} = ext::;	940	die $@;
919
920	register $base, $pkg;
921	}
922
923	sub unload_extension {
924	my ($pkg) = @_;
925
926	warn "removing extension $pkg\n";
927
928	# remove hooks
929	#TODO
930	# for my $idx (0 .. $#PLUGIN_EVENT) {
931	# delete $hook[$idx]{$pkg};
932	# }	941	}
933		942
934	# remove commands	943	push @EXTS, $pkg;
935	for my $name (keys %COMMAND) {
936	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
937
938	if (@cb) {
939	$COMMAND{$name} = \@cb;
940	} else {
941	delete $COMMAND{$name};
942	}
943	}
944
945	# remove extcmds
946	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
947	delete $EXTCMD{$name};
948	}
949
950	if (my $cb = $pkg->can ("unload")) {
951	eval {
952	$cb->($pkg);
953	1
954	} or warn "$pkg unloaded, but with errors: $@";
955	}
956
957	Symbol::delete_package $pkg;
958	}	944	}
959		945
960	sub load_extensions {	946	sub load_extensions {
961	for my $ext (<$LIBDIR/*.ext>) {	947	for my $ext (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	948	next unless -r $ext;
…		…
966	} or warn "$ext not loaded: $@";	952	} or warn "$ext not loaded: $@";
967	}	953	}
968	}	954	}
969		955
970	#############################################################################	956	#############################################################################
971	# load/save/clean perl data associated with a map
972
973	*cf::mapsupport::on_clean = sub {
974	my ($map) = @_;
975
976	my $path = $map->tmpname;
977	defined $path or return;
978
979	unlink "$path.pst";
980	};
981
982	cf::map->attach (prio => -10000, package => cf::mapsupport::);
983
984	#############################################################################
985	# load/save perl data associated with player->ob objects
986
987	sub all_objects(@) {
988	@_, map all_objects ($_->inv), @_
989	}
990
991	# TODO: compatibility cruft, remove when no longer needed
992	cf::player->attach (
993	on_load => sub {
994	my ($pl, $path) = @_;
995
996	for my $o (all_objects $pl->ob) {
997	if (my $value = $o->get_ob_key_value ("_perl_data")) {
998	$o->set_ob_key_value ("_perl_data");
999
1000	%$o = %{ Storable::thaw pack "H*", $value };
1001	}
1002	}
1003	},
1004	);
1005
1006	#############################################################################
1007		957
1008	=head2 CORE EXTENSIONS	958	=head2 CORE EXTENSIONS
1009		959
1010	Functions and methods that extend core crossfire objects.	960	Functions and methods that extend core crossfire objects.
1011		961
		962	=cut
		963
		964	package cf::player;
		965
		966	use Coro::AIO;
		967
1012	=head3 cf::player	968	=head3 cf::player
1013		969
1014	=over 4	970	=over 4
1015		971
1016	=item cf::player::exists $login	972	=item cf::player::find $login
1017		973
1018	Returns true when the given account exists.	974	Returns the given player object, loading it if necessary (might block).
1019		975
1020	=cut	976	=cut
1021		977
1022	sub cf::player::exists($) {	978	sub playerdir($) {
1023	cf::player::find $_[0]	979	"$PLAYERDIR/"
1024	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	980	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1025	}	981	}
1026		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
1027	=item $player->ext_reply ($msgid, $msgtype, %msg)	1154	=item $player->ext_reply ($msgid, %msg)
1028		1155
1029	Sends an ext reply to the player.	1156	Sends an ext reply to the player.
1030		1157
1031	=cut	1158	=cut
1032		1159
1033	sub cf::player::ext_reply($$$%) {	1160	sub ext_reply($$%) {
1034	my ($self, $id, %msg) = @_;	1161	my ($self, $id, %msg) = @_;
1035		1162
1036	$msg{msgid} = $id;	1163	$msg{msgid} = $id;
1037		1164
1038	$self->send ("ext " . to_json \%msg);	1165	$self->send ("ext " . cf::to_json \%msg);
		1166	}
		1167
		1168	=item $player->ext_event ($type, %msg)
		1169
		1170	Sends an ext event to the client.
		1171
		1172	=cut
		1173
		1174	sub ext_event($$%) {
		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
1039	}	1207	}
1040		1208
1041	=back	1209	=back
1042
1043		1210
1044	=head3 cf::map	1211	=head3 cf::map
1045		1212
1046	=over 4	1213	=over 4
1047		1214
…		…
1050	package cf::map;	1217	package cf::map;
1051		1218
1052	use Fcntl;	1219	use Fcntl;
1053	use Coro::AIO;	1220	use Coro::AIO;
1054		1221
		1222	use overload
		1223	'""' => \&as_string,
		1224	fallback => 1;
		1225
1055	our $MAX_RESET = 7200;	1226	our $MAX_RESET = 3600;
1056	our $DEFAULT_RESET = 3600;	1227	our $DEFAULT_RESET = 3000;
1057		1228
1058	sub generate_random_map {	1229	sub generate_random_map {
1059	my ($path, $rmp) = @_;	1230	my ($self, $rmp) = @_;
1060
1061	# mit "rum" bekleckern, nicht	1231	# mit "rum" bekleckern, nicht
1062	cf::map::_create_random_map	1232	$self->_create_random_map (
1063	$path,
1064	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1065	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1066	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1067	$rmp->{exit_on_final_map},	1236	$rmp->{exit_on_final_map},
1068	$rmp->{xsize}, $rmp->{ysize},	1237	$rmp->{xsize}, $rmp->{ysize},
1069	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1070	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1071	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1240	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1072	$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},
1073	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1242	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1074	(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"
1075	}	1374	}
1076		1375
1077	# and all this just because we cannot iterate over	1376	# and all this just because we cannot iterate over
1078	# all maps in C++...	1377	# all maps in C++...
1079	sub change_all_map_light {	1378	sub change_all_map_light {
1080	my ($change) = @_;	1379	my ($change) = @_;
1081		1380
1082	$_->change_map_light ($change) for values %cf::MAP;	1381	$_->change_map_light ($change)
		1382	for grep $_->outdoor, values %cf::MAP;
1083	}	1383	}
1084		1384
		1385	sub unlink_save {
		1386	my ($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
1085	sub try_load_header($) {	1393	sub load_header_from($) {
1086	my ($path) = @_;	1394	my ($self, $path) = @_;
1087		1395
1088	utf8::encode $path;	1396	utf8::encode $path;
1089	aio_open $path, O_RDONLY, 0	1397	#aio_open $path, O_RDONLY, 0
		1398	# or return;
		1399
		1400	$self->_load_header ($path)
1090	or return;	1401	or return;
1091		1402
1092	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
1093	or return;	1446	or return;
		1447	$self->prepare_orig;
		1448	}
1094		1449
1095	$map->load_header ($path)	1450	$self->default_region (cf::region::find_by_path $self->{path})
1096	or return;	1451	unless $self->default_region;
1097		1452
1098	$map->{load_path} = $path;	1453	1
1099
1100	$map
1101	}	1454	}
1102		1455
		1456	sub find;
1103	sub find_map {	1457	sub find {
1104	my ($path, $origin) = @_;	1458	my ($path, $origin) = @_;
1105		1459
1106	#warn "find_map<$path,$origin>\n";#d#
1107
1108	$path = new cf::path $path, $origin && $origin->path;	1460	$path = normalise $path, $origin && $origin->path;
1109	my $key = $path->as_string;
1110		1461
		1462	cf::lock_wait "map_find:$path";
		1463
1111	$cf::MAP{$key} || do {	1464	$cf::MAP{$path} || do {
1112	# do it the slow way	1465	my $guard = cf::lock_acquire "map_find:$path";
1113	my $map = try_load_header $path->save_path;	1466	my $map = new_from_path cf::map $path
1114
1115	if ($map) {
1116	# safety
1117	$map->{instantiate_time} = $cf::RUNTIME
1118	if $map->{instantiate_time} > $cf::RUNTIME;
1119	} else {
1120	if (my $rmp = $path->random_map_params) {
1121	$map = generate_random_map $key, $rmp;
1122	} else {
1123	$map = try_load_header $path->load_path;
1124	}
1125
1126	$map or return;	1467	or return;
1127		1468
1128	$map->{load_original} = 1;
1129	$map->{instantiate_time} = $cf::RUNTIME;
1130	$map->instantiate;
1131
1132	# per-player maps become, after loading, normal maps
1133	$map->per_player (0) if $path->{user_rel};
1134	}
1135
1136	$map->path ($key);
1137	$map->{path} = $path;
1138	$map->last_access ($cf::RUNTIME);	1469	$map->{last_save} = $cf::RUNTIME;
1139		1470
1140	if ($map->should_reset) {	1471	$map->load_header
		1472	or return;
		1473
		1474	if ($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;
1141	$map->reset;	1477	$map->reset;
1142	$map = find_map $path;	1478	undef $guard;
		1479	return find $path;
1143	}	1480	}
1144		1481
1145	$cf::MAP{$key} = $map	1482	$cf::MAP{$path} = $map
1146	}	1483	}
1147	}	1484	}
		1485
		1486	sub pre_load { }
		1487	sub post_load { }
1148		1488
1149	sub load {	1489	sub load {
1150	my ($self) = @_;	1490	my ($self) = @_;
1151		1491
		1492	local $self->{deny_reset} = 1; # loading can take a long time
		1493
		1494	my $path = $self->{path};
		1495	my $guard = cf::lock_acquire "map_load:$path";
		1496
1152	return if $self->in_memory != cf::MAP_SWAPPED;	1497	return if $self->in_memory != cf::MAP_SWAPPED;
1153		1498
1154	$self->in_memory (cf::MAP_LOADING);	1499	$self->in_memory (cf::MAP_LOADING);
1155		1500
1156	my $path = $self->{path};
1157
1158	$self->alloc;	1501	$self->alloc;
		1502
		1503	$self->pre_load;
		1504	Coro::cede;
		1505
1159	$self->load_objects ($self->{load_path}, 1)	1506	$self->_load_objects ($self->{load_path}, 1)
1160	or return;	1507	or return;
1161		1508
1162	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1163	if delete $self->{load_original};	1510	if delete $self->{load_original};
1164		1511
1165	if (my $uniq = $path->uniq_path) {	1512	if (my $uniq = $self->uniq_path) {
1166	utf8::encode $uniq;	1513	utf8::encode $uniq;
1167	if (aio_open $uniq, O_RDONLY, 0) {	1514	if (aio_open $uniq, O_RDONLY, 0) {
1168	$self->clear_unique_items;	1515	$self->clear_unique_items;
1169	$self->load_objects ($uniq, 0);	1516	$self->_load_objects ($uniq, 0);
1170	}	1517	}
1171	}	1518	}
1172		1519
		1520	Coro::cede;
1173	# now do the right thing for maps	1521	# now do the right thing for maps
1174	$self->link_multipart_objects;	1522	$self->link_multipart_objects;
		1523	Coro::cede;
1175		1524
1176	if ($self->{path}->is_style_map) {	1525	unless ($self->{deny_activate}) {
1177	$self->{deny_save} = 1;	1526	$self->decay_objects;
1178	$self->{deny_reset} = 1;
1179	} else {
1180	$self->fix_auto_apply;	1527	$self->fix_auto_apply;
1181	$self->decay_objects;
1182	$self->update_buttons;	1528	$self->update_buttons;
		1529	Coro::cede;
1183	$self->set_darkness_map;	1530	$self->set_darkness_map;
1184	$self->difficulty ($self->estimate_difficulty)	1531	$self->difficulty ($self->estimate_difficulty)
1185	unless $self->difficulty;	1532	unless $self->difficulty;
		1533	Coro::cede;
1186	$self->activate;	1534	$self->activate;
		1535	Coro::cede;
1187	}	1536	}
		1537
		1538	$self->post_load;
		1539	Coro::cede;
1188		1540
1189	$self->in_memory (cf::MAP_IN_MEMORY);	1541	$self->in_memory (cf::MAP_IN_MEMORY);
1190	}	1542	}
1191		1543
1192	sub load_map_sync {	1544	sub customise_for {
		1545	my ($self, $ob) = @_;
		1546
		1547	return find "~" . $ob->name . "/" . $self->{path}
		1548	if $self->per_player;
		1549
		1550	$self
		1551	}
		1552
		1553	# find and load all maps in the 3x3 area around a map
		1554	sub load_diag {
		1555	my ($map) = @_;
		1556
		1557	my @diag; # diagonal neighbours
		1558
		1559	for (0 .. 3) {
		1560	my $neigh = $map->tile_path ($_)
		1561	or next;
		1562	$neigh = find $neigh, $map
		1563	or next;
		1564	$neigh->load;
		1565
		1566	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1567	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1568	}
		1569
		1570	for (@diag) {
		1571	my $neigh = find @$_
		1572	or next;
		1573	$neigh->load;
		1574	}
		1575	}
		1576
		1577	sub find_sync {
1193	my ($path, $origin) = @_;	1578	my ($path, $origin) = @_;
1194		1579
1195	#warn "load_map_sync<$path, $origin>\n";#d#	1580	cf::sync_job { find $path, $origin }
		1581	}
1196		1582
1197	cf::sync_job {	1583	sub do_load_sync {
1198	my $map = cf::map::find_map $path, $origin	1584	my ($map) = @_;
1199	or return;	1585
		1586	cf::sync_job { $map->load };
		1587	}
		1588
		1589	our %MAP_PREFETCH;
		1590	our $MAP_PREFETCHER = undef;
		1591
		1592	sub find_async {
		1593	my ($path, $origin) = @_;
		1594
		1595	$path = normalise $path, $origin && $origin->{path};
		1596
		1597	if (my $map = $cf::MAP{$path}) {
		1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1599	}
		1600
		1601	undef $MAP_PREFETCH{$path};
		1602	$MAP_PREFETCHER ||= cf::async {
		1603	while (%MAP_PREFETCH) {
		1604	for my $path (keys %MAP_PREFETCH) {
		1605	my $map = find $path
		1606	or next;
1200	$map->load;	1607	$map->load;
1201	$map	1608
		1609	delete $MAP_PREFETCH{$path};
		1610	}
		1611	}
		1612	undef $MAP_PREFETCHER;
1202	}	1613	};
		1614	$MAP_PREFETCHER->prio (6);
		1615
		1616	()
1203	}	1617	}
1204		1618
1205	sub save {	1619	sub save {
1206	my ($self) = @_;	1620	my ($self) = @_;
1207		1621
1208	my $save = $self->{path}->save_path; utf8::encode $save;	1622	my $lock = cf::lock_acquire "map_data:" . $self->path;
1209	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1210		1623
1211	$self->{last_save} = $cf::RUNTIME;	1624	$self->{last_save} = $cf::RUNTIME;
1212		1625
1213	return unless $self->dirty;	1626	return unless $self->dirty;
1214		1627
		1628	my $save = $self->save_path; utf8::encode $save;
		1629	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1630
1215	$self->{load_path} = $save;	1631	$self->{load_path} = $save;
1216		1632
1217	return if $self->{deny_save};	1633	return if $self->{deny_save};
1218		1634
		1635	local $self->{last_access} = $self->last_access;#d#
		1636
		1637	cf::async {
		1638	$_->contr->save for $self->players;
		1639	};
		1640
1219	if ($uniq) {	1641	if ($uniq) {
1220	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1221	$self->save_objects ($uniq, cf::IO_UNIQUES);	1643	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1222	} else {	1644	} else {
1223	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1224	}	1646	}
1225	}	1647	}
1226		1648
1227	sub swap_out {	1649	sub swap_out {
1228	my ($self) = @_;	1650	my ($self) = @_;
		1651
		1652	# save first because save cedes
		1653	$self->save;
		1654
		1655	my $lock = cf::lock_acquire "map_data:" . $self->path;
1229		1656
1230	return if $self->players;	1657	return if $self->players;
1231	return if $self->in_memory != cf::MAP_IN_MEMORY;	1658	return if $self->in_memory != cf::MAP_IN_MEMORY;
1232	return if $self->{deny_save};	1659	return if $self->{deny_save};
1233		1660
1234	$self->save;
1235	$self->clear;	1661	$self->clear;
1236	$self->in_memory (cf::MAP_SWAPPED);	1662	$self->in_memory (cf::MAP_SWAPPED);
1237	}	1663	}
1238		1664
1239	sub reset_at {	1665	sub reset_at {
1240	my ($self) = @_;	1666	my ($self) = @_;
1241		1667
1242	# TODO: safety, remove and allow resettable per-player maps	1668	# TODO: safety, remove and allow resettable per-player maps
1243	return 1e100 if $self->{path}{user_rel};	1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1244	return 1e100 if $self->{deny_reset};	1670	return 1e99 if $self->{deny_reset};
1245		1671
1246	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1247	my $to = $self->reset_timeout || $DEFAULT_RESET;	1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1248	$to = $MAX_RESET if $to > $MAX_RESET;
1249		1674
1250	$time + $to	1675	$time + $to
1251	}	1676	}
1252		1677
1253	sub should_reset {	1678	sub should_reset {
1254	my ($self) = @_;	1679	my ($self) = @_;
1255		1680
1256	$self->reset_at <= $cf::RUNTIME	1681	$self->reset_at <= $cf::RUNTIME
1257	}	1682	}
1258		1683
1259	sub unlink_save {
1260	my ($self) = @_;
1261
1262	utf8::encode (my $save = $self->{path}->save_path);
1263	aioreq_pri 3; IO::AIO::aio_unlink $save;
1264	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1265	}
1266
1267	sub reset {	1684	sub reset {
1268	my ($self) = @_;	1685	my ($self) = @_;
1269		1686
		1687	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1688
1270	return if $self->players;	1689	return if $self->players;
1271	return if $self->{path}{user_rel};#d#	1690	return if $self->isa ("ext::map_per_player");#d#
1272		1691
1273	warn "resetting map ", $self->path;#d#	1692	warn "resetting map ", $self->path;#d#
1274		1693
		1694	$self->in_memory (cf::MAP_SWAPPED);
		1695
		1696	# need to save uniques path
		1697	unless ($self->{deny_save}) {
		1698	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1699
		1700	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1701	if $uniq;
		1702	}
		1703
1275	delete $cf::MAP{$self->path};	1704	delete $cf::MAP{$self->path};
		1705
		1706	$self->clear;
1276		1707
1277	$_->clear_links_to ($self) for values %cf::MAP;	1708	$_->clear_links_to ($self) for values %cf::MAP;
1278		1709
1279	$self->unlink_save;	1710	$self->unlink_save;
1280	$self->destroy;	1711	$self->destroy;
1281	}	1712	}
1282		1713
1283	sub customise_for {	1714	my $nuke_counter = "aaaa";
1284	my ($map, $ob) = @_;
1285		1715
1286	if ($map->per_player) {	1716	sub nuke {
1287	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1717	my ($self) = @_;
1288	}
1289		1718
1290	$map	1719	delete $cf::MAP{$self->path};
1291	}
1292		1720
1293	sub emergency_save {	1721	$self->unlink_save;
1294	local $cf::FREEZE = 1;
1295		1722
1296	warn "enter emergency map save\n";	1723	bless $self, "cf::map";
		1724	delete $self->{deny_reset};
		1725	$self->{deny_save} = 1;
		1726	$self->reset_timeout (1);
		1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1297		1728
1298	cf::sync_job {	1729	$cf::MAP{$self->path} = $self;
1299	warn "begin emergency map save\n";	1730
1300	$_->save for values %cf::MAP;	1731	$self->reset; # polite request, might not happen
		1732	}
		1733
		1734	=item cf::map::unique_maps
		1735
		1736	Returns an arrayref of paths of all shared maps that have
		1737	instantiated unique items. May block.
		1738
		1739	=cut
		1740
		1741	sub unique_maps() {
		1742	my $files = aio_readdir $UNIQUEDIR
		1743	or return;
		1744
		1745	my @paths;
		1746
		1747	for (@$files) {
		1748	utf8::decode $_;
		1749	next if /\.pst$/;
		1750	next unless /^$PATH_SEP/o;
		1751
		1752	push @paths, cf::map::normalise $_;
1301	};	1753	}
1302		1754
1303	warn "end emergency map save\n";	1755	\@paths
1304	}	1756	}
1305		1757
1306	package cf;	1758	package cf;
1307		1759
1308	=back	1760	=back
1309		1761
		1762	=head3 cf::object
		1763
		1764	=cut
		1765
		1766	package cf::object;
		1767
		1768	=over 4
		1769
		1770	=item $ob->inv_recursive
		1771
		1772	Returns the inventory of the object _and_ their inventories, recursively.
		1773
		1774	=cut
		1775
		1776	sub inv_recursive_;
		1777	sub inv_recursive_ {
		1778	map { $_, inv_recursive_ $_->inv } @_
		1779	}
		1780
		1781	sub inv_recursive {
		1782	inv_recursive_ inv $_[0]
		1783	}
		1784
		1785	package cf;
		1786
		1787	=back
1310		1788
1311	=head3 cf::object::player	1789	=head3 cf::object::player
1312		1790
1313	=over 4	1791	=over 4
1314		1792
…		…
1350	(ref $cf::CFG{"may_$access"}	1828	(ref $cf::CFG{"may_$access"}
1351	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1829	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1352	: $cf::CFG{"may_$access"})	1830	: $cf::CFG{"may_$access"})
1353	}	1831	}
1354		1832
		1833	=item $player_object->enter_link
		1834
		1835	Freezes the player and moves him/her to a special map (C<{link}>).
		1836
		1837	The player should be reasonably safe there for short amounts of time. You
		1838	I<MUST> call C<leave_link> as soon as possible, though.
		1839
		1840	Will never block.
		1841
		1842	=item $player_object->leave_link ($map, $x, $y)
		1843
		1844	Moves the player out of the special C<{link}> map onto the specified
		1845	map. If the map is not valid (or omitted), the player will be moved back
		1846	to the location he/she was before the call to C<enter_link>, or, if that
		1847	fails, to the emergency map position.
		1848
		1849	Might block.
		1850
		1851	=cut
		1852
		1853	sub link_map {
		1854	unless ($LINK_MAP) {
		1855	$LINK_MAP = cf::map::find "{link}"
		1856	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1857	$LINK_MAP->load;
		1858	}
		1859
		1860	$LINK_MAP
		1861	}
		1862
1355	sub cf::object::player::enter_link {	1863	sub cf::object::player::enter_link {
1356	my ($self) = @_;	1864	my ($self) = @_;
1357		1865
1358	return if $self->map == $LINK_MAP;	1866	$self->deactivate_recursive;
1359		1867
		1868	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1869
1360	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1361	if $self->map;	1871	if $self->map;
1362		1872
1363	$self->enter_map ($LINK_MAP, 20, 20);	1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1364	$self->deactivate_recursive;
1365	}	1874	}
1366		1875
1367	sub cf::object::player::leave_link {	1876	sub cf::object::player::leave_link {
1368	my ($self, $map, $x, $y) = @_;	1877	my ($self, $map, $x, $y) = @_;
1369		1878
1370	my $link_pos = delete $self->{_link_pos};	1879	my $link_pos = delete $self->{_link_pos};
1371		1880
1372	unless ($map) {	1881	unless ($map) {
1373	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1374
1375	# restore original map position	1882	# restore original map position
1376	($map, $x, $y) = @{ $link_pos || [] };	1883	($map, $x, $y) = @{ $link_pos || [] };
1377	$map = cf::map::find_map $map;	1884	$map = cf::map::find $map;
1378		1885
1379	unless ($map) {	1886	unless ($map) {
1380	($map, $x, $y) = @$EMERGENCY_POSITION;	1887	($map, $x, $y) = @$EMERGENCY_POSITION;
1381	$map = cf::map::find_map $map	1888	$map = cf::map::find $map
1382	or die "FATAL: cannot load emergency map\n";	1889	or die "FATAL: cannot load emergency map\n";
1383	}	1890	}
1384	}	1891	}
1385		1892
1386	($x, $y) = (-1, -1)	1893	($x, $y) = (-1, -1)
…		…
1389	# use -1 or undef as default coordinates, not 0, 0	1896	# use -1 or undef as default coordinates, not 0, 0
1390	($x, $y) = ($map->enter_x, $map->enter_y)	1897	($x, $y) = ($map->enter_x, $map->enter_y)
1391	if $x <=0 && $y <= 0;	1898	if $x <=0 && $y <= 0;
1392		1899
1393	$map->load;	1900	$map->load;
		1901	$map->load_diag;
1394		1902
		1903	return unless $self->contr->active;
1395	$self->activate_recursive;	1904	$self->activate_recursive;
		1905
		1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1396	$self->enter_map ($map, $x, $y);	1907	$self->enter_map ($map, $x, $y);
1397	}	1908	}
1398		1909
		1910	cf::player->attach (
		1911	on_logout => sub {
		1912	my ($pl) = @_;
		1913
		1914	# abort map switching before logout
		1915	if ($pl->ob->{_link_pos}) {
		1916	cf::sync_job {
		1917	$pl->ob->leave_link
		1918	};
		1919	}
		1920	},
		1921	on_login => sub {
		1922	my ($pl) = @_;
		1923
		1924	# try to abort aborted map switching on player login :)
		1925	# should happen only on crashes
		1926	if ($pl->ob->{_link_pos}) {
		1927	$pl->ob->enter_link;
		1928	(async {
		1929	$pl->ob->reply (undef,
		1930	"There was an internal problem at your last logout, "
		1931	. "the server will try to bring you to your intended destination in a second.",
		1932	cf::NDI_RED);
		1933	# we need this sleep as the login has a concurrent enter_exit running
		1934	# and this sleep increases chances of the player not ending up in scorn
		1935	Coro::Timer::sleep 1;
		1936	$pl->ob->leave_link;
		1937	})->prio (2);
		1938	}
		1939	},
		1940	);
		1941
1399	=item $player_object->goto_map ($map, $x, $y)	1942	=item $player_object->goto ($path, $x, $y)
1400		1943
1401	=cut	1944	=cut
1402		1945
1403	sub cf::object::player::goto_map {	1946	sub cf::object::player::goto {
1404	my ($self, $path, $x, $y) = @_;	1947	my ($self, $path, $x, $y) = @_;
1405		1948
1406	$self->enter_link;	1949	$self->enter_link;
1407		1950
1408	(Coro::async {	1951	(async {
1409	$path = new cf::path $path;	1952	my $map = eval {
1410
1411	my $map = cf::map::find_map $path->as_string;	1953	my $map = cf::map::find $path;
1412	$map = $map->customise_for ($self) if $map;	1954	$map = $map->customise_for ($self) if $map;
1413
1414	warn "entering ", $map->path, " at ($x, $y)\n"
1415	if $map;	1955	$map
		1956	} or
		1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1416		1958
1417	$self->leave_link ($map, $x, $y);	1959	$self->leave_link ($map, $x, $y);
1418	})->prio (1);	1960	})->prio (1);
1419	}	1961	}
1420		1962
…		…
1424		1966
1425	sub parse_random_map_params {	1967	sub parse_random_map_params {
1426	my ($spec) = @_;	1968	my ($spec) = @_;
1427		1969
1428	my $rmp = { # defaults	1970	my $rmp = { # defaults
1429	xsize => 10,	1971	xsize => (cf::rndm 15, 40),
1430	ysize => 10,	1972	ysize => (cf::rndm 15, 40),
		1973	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1974	#layout => string,
1431	};	1975	};
1432		1976
1433	for (split /\n/, $spec) {	1977	for (split /\n/, $spec) {
1434	my ($k, $v) = split /\s+/, $_, 2;	1978	my ($k, $v) = split /\s+/, $_, 2;
1435		1979
…		…
1439	$rmp	1983	$rmp
1440	}	1984	}
1441		1985
1442	sub prepare_random_map {	1986	sub prepare_random_map {
1443	my ($exit) = @_;	1987	my ($exit) = @_;
		1988
		1989	my $guard = cf::lock_acquire "exit_prepare:$exit";
1444		1990
1445	# all this does is basically replace the /! path by	1991	# all this does is basically replace the /! path by
1446	# a new random map path (?random/...) with a seed	1992	# a new random map path (?random/...) with a seed
1447	# that depends on the exit object	1993	# that depends on the exit object
1448		1994
1449	my $rmp = parse_random_map_params $exit->msg;	1995	my $rmp = parse_random_map_params $exit->msg;
1450		1996
1451	if ($exit->map) {	1997	if ($exit->map) {
1452	$rmp->{region} = $exit->map->region_name;	1998	$rmp->{region} = $exit->region->name;
1453	$rmp->{origin_map} = $exit->map->path;	1999	$rmp->{origin_map} = $exit->map->path;
1454	$rmp->{origin_x} = $exit->x;	2000	$rmp->{origin_x} = $exit->x;
1455	$rmp->{origin_y} = $exit->y;	2001	$rmp->{origin_y} = $exit->y;
1456	}	2002	}
1457		2003
1458	$rmp->{random_seed} ||= $exit->random_seed;	2004	$rmp->{random_seed} ||= $exit->random_seed;
1459		2005
1460	my $data = cf::to_json $rmp;	2006	my $data = cf::to_json $rmp;
1461	my $md5 = Digest::MD5::md5_hex $data;	2007	my $md5 = Digest::MD5::md5_hex $data;
		2008	my $meta = "$RANDOMDIR/$md5.meta";
1462		2009
1463	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2010	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1464	aio_write $fh, 0, (length $data), $data, 0;	2011	aio_write $fh, 0, (length $data), $data, 0;
		2012	undef $fh;
		2013	aio_rename "$meta~", $meta;
1465		2014
1466	$exit->slaying ("?random/$md5");	2015	$exit->slaying ("?random/$md5");
1467	$exit->msg (undef);	2016	$exit->msg (undef);
1468	}	2017	}
1469	}	2018	}
…		…
1471	sub cf::object::player::enter_exit {	2020	sub cf::object::player::enter_exit {
1472	my ($self, $exit) = @_;	2021	my ($self, $exit) = @_;
1473		2022
1474	return unless $self->type == cf::PLAYER;	2023	return unless $self->type == cf::PLAYER;
1475		2024
		2025	if ($exit->slaying eq "/!") {
		2026	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2027	# the problem is that $exit might not survive long enough
		2028	# so it needs to be done right now, right here
		2029	cf::sync_job { prepare_random_map $exit };
		2030	}
		2031
		2032	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2033	my $hp = $exit->stats->hp;
		2034	my $sp = $exit->stats->sp;
		2035
1476	$self->enter_link;	2036	$self->enter_link;
1477		2037
1478	(Coro::async {	2038	(async {
		2039	$self->deactivate_recursive; # just to be sure
1479	unless (eval {	2040	unless (eval {
1480		2041	$self->goto ($slaying, $hp, $sp);
1481	prepare_random_map $exit
1482	if $exit->slaying eq "/!";
1483
1484	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1485	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1486		2042
1487	1;	2043	1;
1488	}) {	2044	}) {
1489	$self->message ("Something went wrong deep within the crossfire server. "	2045	$self->message ("Something went wrong deep within the crossfire server. "
1490	. "I'll try to bring you back to the map you were before. "	2046	. "I'll try to bring you back to the map you were before. "
1491	. "Please report this to the dungeon master",	2047	. "Please report this to the dungeon master!",
1492	cf::NDI_UNIQUE | cf::NDI_RED);	2048	cf::NDI_UNIQUE | cf::NDI_RED);
1493		2049
1494	warn "ERROR in enter_exit: $@";	2050	warn "ERROR in enter_exit: $@";
1495	$self->leave_link;	2051	$self->leave_link;
1496	}	2052	}
1497	})->prio (1);	2053	})->prio (1);
…		…
1510		2066
1511	sub cf::client::send_drawinfo {	2067	sub cf::client::send_drawinfo {
1512	my ($self, $text, $flags) = @_;	2068	my ($self, $text, $flags) = @_;
1513		2069
1514	utf8::encode $text;	2070	utf8::encode $text;
1515	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1516	}	2072	}
1517		2073
		2074	=item $client->ext_event ($type, %msg)
		2075
		2076	Sends an exti event to the client.
		2077
		2078	=cut
		2079
		2080	sub cf::client::ext_event($$%) {
		2081	my ($self, $type, %msg) = @_;
		2082
		2083	$msg{msgtype} = "event_$type";
		2084	$self->send_packet ("ext " . cf::to_json \%msg);
		2085	}
1518		2086
1519	=item $success = $client->query ($flags, "text", \&cb)	2087	=item $success = $client->query ($flags, "text", \&cb)
1520		2088
1521	Queues a query to the client, calling the given callback with	2089	Queues a query to the client, calling the given callback with
1522	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2090	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1547	on_reply => sub {	2115	on_reply => sub {
1548	my ($ns, $msg) = @_;	2116	my ($ns, $msg) = @_;
1549		2117
1550	# this weird shuffling is so that direct followup queries	2118	# this weird shuffling is so that direct followup queries
1551	# get handled first	2119	# get handled first
1552	my $queue = delete $ns->{query_queue};	2120	my $queue = delete $ns->{query_queue}
		2121	or return; # be conservative, not sure how that can happen, but we saw a crash here
1553		2122
1554	(shift @$queue)->[1]->($msg);	2123	(shift @$queue)->[1]->($msg);
		2124	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1555		2125
1556	push @{ $ns->{query_queue} }, @$queue;	2126	push @{ $ns->{query_queue} }, @$queue;
1557		2127
1558	if (@{ $ns->{query_queue} } == @$queue) {	2128	if (@{ $ns->{query_queue} } == @$queue) {
1559	if (@$queue) {	2129	if (@$queue) {
…		…
1563	}	2133	}
1564	}	2134	}
1565	},	2135	},
1566	);	2136	);
1567		2137
1568	=item $client->coro (\&cb)	2138	=item $client->async (\&cb)
1569		2139
1570	Create a new coroutine, running the specified callback. The coroutine will	2140	Create a new coroutine, running the specified callback. The coroutine will
1571	be automatically cancelled when the client gets destroyed (e.g. on logout,	2141	be automatically cancelled when the client gets destroyed (e.g. on logout,
1572	or loss of connection).	2142	or loss of connection).
1573		2143
1574	=cut	2144	=cut
1575		2145
1576	sub cf::client::coro {	2146	sub cf::client::async {
1577	my ($self, $cb) = @_;	2147	my ($self, $cb) = @_;
1578		2148
1579	my $coro; $coro = async {	2149	my $coro = &Coro::async ($cb);
1580	eval {
1581	$cb->();
1582	};
1583	warn $@ if $@;
1584	};
1585		2150
1586	$coro->on_destroy (sub {	2151	$coro->on_destroy (sub {
1587	delete $self->{_coro}{$coro+0};	2152	delete $self->{_coro}{$coro+0};
1588	});	2153	});
1589		2154
…		…
1622		2187
1623	# here we export the classes and methods available to script code	2188	# here we export the classes and methods available to script code
1624		2189
1625	=pod	2190	=pod
1626		2191
1627	The following fucntions and emthods are available within a safe environment:	2192	The following functions and methods are available within a safe environment:
1628		2193
1629	cf::object contr pay_amount pay_player map	2194	cf::object contr pay_amount pay_player map
1630	cf::object::player player	2195	cf::object::player player
1631	cf::player peaceful	2196	cf::player peaceful
1632	cf::map trigger	2197	cf::map trigger
…		…
1717	#############################################################################	2282	#############################################################################
1718		2283
1719	=head2 EXTENSION DATABASE SUPPORT	2284	=head2 EXTENSION DATABASE SUPPORT
1720		2285
1721	Crossfire maintains a very simple database for extension use. It can	2286	Crossfire maintains a very simple database for extension use. It can
1722	currently store anything that can be serialised using Storable, which	2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1723	excludes objects.	2288	convert to/from binary).
1724		2289
1725	The parameter C<$family> should best start with the name of the extension	2290	The parameter C<$family> should best start with the name of the extension
1726	using it, it should be unique.	2291	using it, it should be unique.
1727		2292
1728	=over 4	2293	=over 4
1729		2294
1730	=item $hashref = cf::db_get $family
1731
1732	Return a hashref for use by the extension C<$family>, which can be
1733	modified. After modifications, you have to call C<cf::db_dirty> or
1734	C<cf::db_sync>.
1735
1736	=item $value = cf::db_get $family => $key	2295	=item $value = cf::db_get $family => $key
1737		2296
1738	Returns a single value from the database	2297	Returns a single value from the database.
1739
1740	=item cf::db_put $family => $hashref
1741
1742	Stores the given family hashref into the database. Updates are delayed, if
1743	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1744		2298
1745	=item cf::db_put $family => $key => $value	2299	=item cf::db_put $family => $key => $value
1746		2300
1747	Stores the given C<$value> in the family hash. Updates are delayed, if you	2301	Stores the given C<$value> in the family.
1748	want the data to be synced to disk immediately, use C<cf::db_sync>.
1749
1750	=item cf::db_dirty
1751
1752	Marks the database as dirty, to be updated at a later time.
1753
1754	=item cf::db_sync
1755
1756	Immediately write the database to disk I<if it is dirty>.
1757		2302
1758	=cut	2303	=cut
1759		2304
1760	our $DB;	2305	our $DB;
1761		2306
1762	{	2307	sub db_init {
1763	my $path = cf::localdir . "/database.pst";	2308	unless ($DB) {
		2309	$DB = BDB::db_create $DB_ENV;
1764		2310
1765	sub db_load() {	2311	cf::sync_job {
1766	warn "loading database $path\n";#d# remove later	2312	eval {
1767	$DB = stat $path ? Storable::retrieve $path : { };	2313	$DB->set_flags (BDB::CHKSUM);
1768	}
1769		2314
1770	my $pid;	2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
1771		2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
1772	sub db_save() {	2317	cf::cleanup "db_open(db): $!" if $!;
1773	warn "saving database $path\n";#d# remove later	2318	};
1774	waitpid $pid, 0 if $pid;	2319	cf::cleanup "db_open(db): $@" if $@;
1775	if (0 == ($pid = fork)) {
1776	$DB->{_meta}{version} = 1;
1777	Storable::nstore $DB, "$path~";
1778	rename "$path~", $path;
1779	cf::_exit 0 if defined $pid;
1780	}	2320	};
1781	}
1782
1783	my $dirty;
1784
1785	sub db_sync() {
1786	db_save if $dirty;
1787	undef $dirty;
1788	}
1789
1790	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1791	db_sync;
1792	});	2321	}
		2322	}
1793		2323
1794	sub db_dirty() {
1795	$dirty = 1;
1796	$idle->start;
1797	}
1798
1799	sub db_get($;$) {	2324	sub db_get($$) {
1800	@_ >= 2	2325	my $key = "$_[0]/$_[1]";
1801	? $DB->{$_[0]}{$_[1]}
1802	: ($DB->{$_[0]} ||= { })
1803	}
1804		2326
		2327	cf::sync_job {
		2328	BDB::db_get $DB, undef, $key, my $data;
		2329
		2330	$! ? ()
		2331	: $data
		2332	}
		2333	}
		2334
1805	sub db_put($$;$) {	2335	sub db_put($$$) {
1806	if (@_ >= 3) {	2336	BDB::dbreq_pri 4;
1807	$DB->{$_[0]}{$_[1]} = $_[2];	2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
1808	} else {	2338	}
1809	$DB->{$_[0]} = $_[1];
1810	}
1811	db_dirty;
1812	}
1813		2339
1814	cf::global->attach (	2340	=item cf::cache $id => [$paths...], $processversion => $process
1815	prio => 10000,	2341
1816	on_cleanup => sub {	2342	Generic caching function that returns the value of the resource $id,
1817	db_sync;	2343	caching and regenerating as required.
		2344
		2345	This function can block.
		2346
		2347	=cut
		2348
		2349	sub cache {
		2350	my ($id, $src, $processversion, $process) = @_;
		2351
		2352	my $meta =
		2353	join "\x00",
		2354	$processversion,
		2355	map {
		2356	aio_stat $_
		2357	and Carp::croak "$_: $!";
		2358
		2359	($_, (stat _)[7,9])
		2360	} @$src;
		2361
		2362	my $dbmeta = db_get cache => "$id/meta";
		2363	if ($dbmeta ne $meta) {
		2364	# changed, we may need to process
		2365
		2366	my @data;
		2367	my $md5;
		2368
		2369	for (0 .. $#$src) {
		2370	0 <= aio_load $src->[$_], $data[$_]
		2371	or Carp::croak "$src->[$_]: $!";
1818	},	2372	}
1819	);	2373
		2374	# if processing is expensive, check
		2375	# checksum first
		2376	if (1) {
		2377	$md5 =
		2378	join "\x00",
		2379	$processversion,
		2380	map {
		2381	Coro::cede;
		2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2383	} 0.. $#$src;
		2384
		2385
		2386	my $dbmd5 = db_get cache => "$id/md5";
		2387	if ($dbmd5 eq $md5) {
		2388	db_put cache => "$id/meta", $meta;
		2389
		2390	return db_get cache => "$id/data";
		2391	}
		2392	}
		2393
		2394	my $t1 = Time::HiRes::time;
		2395	my $data = $process->(\@data);
		2396	my $t2 = Time::HiRes::time;
		2397
		2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2399
		2400	db_put cache => "$id/data", $data;
		2401	db_put cache => "$id/md5" , $md5;
		2402	db_put cache => "$id/meta", $meta;
		2403
		2404	return $data;
		2405	}
		2406
		2407	db_get cache => "$id/data"
1820	}	2408	}
		2409
		2410	=item fork_call { }, $args
		2411
		2412	Executes the given code block with the given arguments in a seperate
		2413	process, returning the results. Everything must be serialisable with
		2414	Coro::Storable. May, of course, block. Note that the executed sub may
		2415	never block itself or use any form of Event handling.
		2416
		2417	=cut
		2418
		2419	sub fork_call(&@) {
		2420	my ($cb, @args) = @_;
		2421
		2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2423	# or die "socketpair: $!";
		2424	pipe my $fh1, my $fh2
		2425	or die "pipe: $!";
		2426
		2427	if (my $pid = fork) {
		2428	close $fh2;
		2429
		2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2431	$res = Coro::Storable::thaw $res;
		2432
		2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2434
		2435	die $$res unless "ARRAY" eq ref $res;
		2436
		2437	return wantarray ? @$res : $res->[-1];
		2438	} else {
		2439	local $SIG{__WARN__};
		2440	eval {
		2441	local $SIG{__DIE__};
		2442	close $fh1;
		2443
		2444	my @res = eval { $cb->(@args) };
		2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2446	};
		2447
		2448	warn $@ if $@;
		2449	_exit 0;
		2450	}
		2451	}
		2452
		2453
1821		2454
1822	#############################################################################	2455	#############################################################################
1823	# the server's main()	2456	# the server's init and main functions
		2457
		2458	sub load_facedata($) {
		2459	my ($path) = @_;
		2460
		2461	warn "loading facedata from $path\n";
		2462
		2463	my $facedata;
		2464	0 < aio_load $path, $facedata
		2465	or die "$path: $!";
		2466
		2467	$facedata = Coro::Storable::thaw $facedata;
		2468
		2469	$facedata->{version} == 2
		2470	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2471
		2472	{
		2473	my $faces = $facedata->{faceinfo};
		2474
		2475	while (my ($face, $info) = each %$faces) {
		2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2480	Coro::cede;
		2481	}
		2482
		2483	while (my ($face, $info) = each %$faces) {
		2484	next unless $info->{smooth};
		2485	my $idx = cf::face::find $face
		2486	or next;
		2487	if (my $smooth = cf::face::find $info->{smooth}) {
		2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2489	} else {
		2490	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2491	}
		2492	Coro::cede;
		2493	}
		2494	}
		2495
		2496	{
		2497	my $anims = $facedata->{animinfo};
		2498
		2499	while (my ($anim, $info) = each %$anims) {
		2500	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2501	Coro::cede;
		2502	}
		2503
		2504	cf::anim::invalidate_all; # d'oh
		2505	}
		2506
		2507	1
		2508	}
		2509
		2510	sub reload_regions {
		2511	load_resource_file "$MAPDIR/regions"
		2512	or die "unable to load regions file\n";
		2513	}
		2514
		2515	sub reload_facedata {
		2516	load_facedata "$DATADIR/facedata"
		2517	or die "unable to load facedata\n";
		2518	}
		2519
		2520	sub reload_archetypes {
		2521	load_resource_file "$DATADIR/archetypes"
		2522	or die "unable to load archetypes\n";
		2523	}
		2524
		2525	sub reload_treasures {
		2526	load_resource_file "$DATADIR/treasures"
		2527	or die "unable to load treasurelists\n";
		2528	}
		2529
		2530	sub reload_resources {
		2531	warn "reloading resource files...\n";
		2532
		2533	reload_regions;
		2534	reload_facedata;
		2535	reload_archetypes;
		2536	reload_treasures;
		2537
		2538	warn "finished reloading resource files\n";
		2539	}
		2540
		2541	sub init {
		2542	reload_resources;
		2543	}
1824		2544
1825	sub cfg_load {	2545	sub cfg_load {
1826	open my $fh, "<:utf8", cf::confdir . "/config"	2546	open my $fh, "<:utf8", "$CONFDIR/config"
1827	or return;	2547	or return;
1828		2548
1829	local $/;	2549	local $/;
1830	*CFG = YAML::Syck::Load <$fh>;	2550	*CFG = YAML::Syck::Load <$fh>;
		2551
		2552	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2553
		2554	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2555	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2556
		2557	if (exists $CFG{mlockall}) {
		2558	eval {
		2559	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2560	and die "WARNING: m(un)lockall failed: $!\n";
		2561	};
		2562	warn $@ if $@;
		2563	}
1831	}	2564	}
1832		2565
1833	sub main {	2566	sub main {
1834	# we must not ever block the main coroutine	2567	# we must not ever block the main coroutine
1835	local $Coro::idle = sub {	2568	local $Coro::idle = sub {
1836	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2569	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1837	(Coro::unblock_sub {	2570	(async {
1838	Event::one_event;	2571	Event::one_event;
1839	})->();	2572	})->prio (Coro::PRIO_MAX);
1840	};	2573	};
1841		2574
1842	cfg_load;	2575	cfg_load;
1843	db_load;	2576	db_init;
1844	load_extensions;	2577	load_extensions;
		2578
		2579	$TICK_WATCHER->start;
1845	Event::loop;	2580	Event::loop;
1846	}	2581	}
1847		2582
1848	#############################################################################	2583	#############################################################################
1849	# initialisation	2584	# initialisation and cleanup
1850		2585
		2586	# install some emergency cleanup handlers
		2587	BEGIN {
		2588	for my $signal (qw(INT HUP TERM)) {
		2589	Event->signal (
		2590	reentrant => 0,
		2591	data => WF_AUTOCANCEL,
		2592	signal => $signal,
		2593	prio => 0,
		2594	cb => sub {
		2595	cf::cleanup "SIG$signal";
		2596	},
		2597	);
		2598	}
		2599	}
		2600
		2601	sub emergency_save() {
		2602	my $freeze_guard = cf::freeze_mainloop;
		2603
		2604	warn "enter emergency perl save\n";
		2605
		2606	cf::sync_job {
		2607	# use a peculiar iteration method to avoid tripping on perl
		2608	# refcount bugs in for. also avoids problems with players
		2609	# and maps saved/destroyed asynchronously.
		2610	warn "begin emergency player save\n";
		2611	for my $login (keys %cf::PLAYER) {
		2612	my $pl = $cf::PLAYER{$login} or next;
		2613	$pl->valid or next;
		2614	$pl->save;
		2615	}
		2616	warn "end emergency player save\n";
		2617
		2618	warn "begin emergency map save\n";
		2619	for my $path (keys %cf::MAP) {
		2620	my $map = $cf::MAP{$path} or next;
		2621	$map->valid or next;
		2622	$map->save;
		2623	}
		2624	warn "end emergency map save\n";
		2625
		2626	warn "begin emergency database checkpoint\n";
		2627	BDB::db_env_txn_checkpoint $DB_ENV;
		2628	warn "end emergency database checkpoint\n";
		2629	};
		2630
		2631	warn "leave emergency perl save\n";
		2632	}
		2633
		2634	sub post_cleanup {
		2635	my ($make_core) = @_;
		2636
		2637	warn Carp::longmess "post_cleanup backtrace"
		2638	if $make_core;
		2639	}
		2640
1851	sub reload() {	2641	sub do_reload_perl() {
1852	# can/must only be called in main	2642	# can/must only be called in main
1853	if ($Coro::current != $Coro::main) {	2643	if ($Coro::current != $Coro::main) {
1854	warn "can only reload from main coroutine\n";	2644	warn "can only reload from main coroutine";
1855	return;	2645	return;
1856	}	2646	}
1857		2647
1858	warn "reloading...";	2648	warn "reloading...";
1859		2649
1860	local $FREEZE = 1;	2650	warn "entering sync_job";
		2651
		2652	cf::sync_job {
		2653	cf::write_runtime; # external watchdog should not bark
1861	cf::emergency_save;	2654	cf::emergency_save;
		2655	cf::write_runtime; # external watchdog should not bark
1862		2656
1863	eval {	2657	warn "syncing database to disk";
		2658	BDB::db_env_txn_checkpoint $DB_ENV;
		2659
1864	# if anything goes wrong in here, we should simply crash as we already saved	2660	# if anything goes wrong in here, we should simply crash as we already saved
1865		2661
1866	# cancel all watchers	2662	warn "cancelling all WF_AUTOCANCEL watchers";
1867	for (Event::all_watchers) {	2663	for (Event::all_watchers) {
1868	$_->cancel if $_->data & WF_AUTOCANCEL;	2664	$_->cancel if $_->data & WF_AUTOCANCEL;
1869	}	2665	}
1870		2666
		2667	warn "flushing outstanding aio requests";
		2668	for (;;) {
		2669	BDB::flush;
		2670	IO::AIO::flush;
		2671	Coro::cede;
		2672	last unless IO::AIO::nreqs || BDB::nreqs;
		2673	warn "iterate...";
		2674	}
		2675
		2676	++$RELOAD;
		2677
1871	# cancel all extension coros	2678	warn "cancelling all extension coros";
1872	$_->cancel for values %EXT_CORO;	2679	$_->cancel for values %EXT_CORO;
1873	%EXT_CORO = ();	2680	%EXT_CORO = ();
1874		2681
1875	# unload all extensions	2682	warn "removing commands";
1876	for (@exts) {	2683	%COMMAND = ();
		2684
		2685	warn "removing ext commands";
		2686	%EXTCMD = ();
		2687
		2688	warn "unloading/nuking all extensions";
		2689	for my $pkg (@EXTS) {
1877	warn "unloading <$_>";	2690	warn "... unloading $pkg";
1878	unload_extension $_;	2691
		2692	if (my $cb = $pkg->can ("unload")) {
		2693	eval {
		2694	$cb->($pkg);
		2695	1
		2696	} or warn "$pkg unloaded, but with errors: $@";
1879	}	2697	}
1880		2698
		2699	warn "... nuking $pkg";
		2700	Symbol::delete_package $pkg;
		2701	}
		2702
1881	# unload all modules loaded from $LIBDIR	2703	warn "unloading all perl modules loaded from $LIBDIR";
1882	while (my ($k, $v) = each %INC) {	2704	while (my ($k, $v) = each %INC) {
1883	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2705	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1884		2706
1885	warn "removing <$k>";	2707	warn "... unloading $k";
1886	delete $INC{$k};	2708	delete $INC{$k};
1887		2709
1888	$k =~ s/\.pm$//;	2710	$k =~ s/\.pm$//;
1889	$k =~ s/\//::/g;	2711	$k =~ s/\//::/g;
1890		2712
…		…
1893	}	2715	}
1894		2716
1895	Symbol::delete_package $k;	2717	Symbol::delete_package $k;
1896	}	2718	}
1897		2719
1898	# sync database to disk
1899	cf::db_sync;
1900	IO::AIO::flush;
1901
1902	# get rid of safe::, as good as possible	2720	warn "getting rid of safe::, as good as possible";
1903	Symbol::delete_package "safe::$_"	2721	Symbol::delete_package "safe::$_"
1904	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2722	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1905		2723
1906	# remove register_script_function callbacks
1907	# TODO
1908
1909	# unload cf.pm "a bit"	2724	warn "unloading cf.pm \"a bit\"";
1910	delete $INC{"cf.pm"};	2725	delete $INC{"cf.pm"};
		2726	delete $INC{"cf/pod.pm"};
1911		2727
1912	# don't, removes xs symbols, too,	2728	# don't, removes xs symbols, too,
1913	# and global variables created in xs	2729	# and global variables created in xs
1914	#Symbol::delete_package __PACKAGE__;	2730	#Symbol::delete_package __PACKAGE__;
1915		2731
1916	# reload cf.pm	2732	warn "unload completed, starting to reload now";
		2733
1917	warn "reloading cf.pm";	2734	warn "reloading cf.pm";
1918	require cf;	2735	require cf;
1919	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1920		2737
1921	# load config and database again	2738	warn "loading config and database again";
1922	cf::cfg_load;	2739	cf::cfg_load;
1923	cf::db_load;
1924		2740
1925	# load extensions
1926	warn "load extensions";	2741	warn "loading extensions";
1927	cf::load_extensions;	2742	cf::load_extensions;
1928		2743
1929	# reattach attachments to objects	2744	warn "reattaching attachments to objects/players";
1930	warn "reattach";	2745	_global_reattach; # objects, sockets
1931	_global_reattach;	2746	warn "reattaching attachments to maps";
1932	};	2747	reattach $_ for values %MAP;
		2748	warn "reattaching attachments to players";
		2749	reattach $_ for values %PLAYER;
1933		2750
1934	if ($@) {	2751	warn "leaving sync_job";
		2752
		2753	1
		2754	} or do {
1935	warn $@;	2755	warn $@;
1936	warn "error while reloading, exiting.";	2756	warn "error while reloading, exiting.";
1937	exit 1;	2757	exit 1;
1938	}	2758	};
1939		2759
1940	warn "reloaded successfully";	2760	warn "reloaded";
1941	};	2761	};
1942		2762
1943	#############################################################################	2763	our $RELOAD_WATCHER; # used only during reload
1944		2764
1945	unless ($LINK_MAP) {	2765	sub reload_perl() {
1946	$LINK_MAP = cf::map::new;	2766	# doing reload synchronously and two reloads happen back-to-back,
		2767	# coro crashes during coro_state_free->destroy here.
1947		2768
1948	$LINK_MAP->width (41);	2769	$RELOAD_WATCHER ||= Event->timer (
1949	$LINK_MAP->height (41);	2770	reentrant => 0,
1950	$LINK_MAP->alloc;
1951	$LINK_MAP->path ("{link}");
1952	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1953	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1954
1955	# dirty hack because... archetypes are not yet loaded
1956	Event->timer (
1957	after => 2,	2771	after => 0,
		2772	data => WF_AUTOCANCEL,
1958	cb => sub {	2773	cb => sub {
1959	$_[0]->w->cancel;	2774	do_reload_perl;
1960		2775	undef $RELOAD_WATCHER;
1961	# provide some exits "home"
1962	my $exit = cf::object::new "exit";
1963
1964	$exit->slaying ($EMERGENCY_POSITION->[0]);
1965	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1966	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1967
1968	$LINK_MAP->insert ($exit->clone, 19, 19);
1969	$LINK_MAP->insert ($exit->clone, 19, 20);
1970	$LINK_MAP->insert ($exit->clone, 19, 21);
1971	$LINK_MAP->insert ($exit->clone, 20, 19);
1972	$LINK_MAP->insert ($exit->clone, 20, 21);
1973	$LINK_MAP->insert ($exit->clone, 21, 19);
1974	$LINK_MAP->insert ($exit->clone, 21, 20);
1975	$LINK_MAP->insert ($exit->clone, 21, 21);
1976
1977	$exit->destroy;
1978	});	2776	},
1979		2777	);
1980	$LINK_MAP->{deny_save} = 1;
1981	$LINK_MAP->{deny_reset} = 1;
1982
1983	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1984	}	2778	}
1985
1986	register "<global>", __PACKAGE__;
1987		2779
1988	register_command "reload" => sub {	2780	register_command "reload" => sub {
1989	my ($who, $arg) = @_;	2781	my ($who, $arg) = @_;
1990		2782
1991	if ($who->flag (FLAG_WIZ)) {	2783	if ($who->flag (FLAG_WIZ)) {
1992	$who->message ("start of reload.");
1993	reload;
1994	$who->message ("end of reload.");	2784	$who->message ("reloading server.");
		2785	async { reload_perl };
1995	}	2786	}
1996	};	2787	};
1997		2788
1998	unshift @INC, $LIBDIR;	2789	unshift @INC, $LIBDIR;
		2790
		2791	my $bug_warning = 0;
		2792
		2793	our @WAIT_FOR_TICK;
		2794	our @WAIT_FOR_TICK_BEGIN;
		2795
		2796	sub wait_for_tick {
		2797	return unless $TICK_WATCHER->is_active;
		2798	return if $Coro::current == $Coro::main;
		2799
		2800	my $signal = new Coro::Signal;
		2801	push @WAIT_FOR_TICK, $signal;
		2802	$signal->wait;
		2803	}
		2804
		2805	sub wait_for_tick_begin {
		2806	return unless $TICK_WATCHER->is_active;
		2807	return if $Coro::current == $Coro::main;
		2808
		2809	my $signal = new Coro::Signal;
		2810	push @WAIT_FOR_TICK_BEGIN, $signal;
		2811	$signal->wait;
		2812	}
1999		2813
2000	$TICK_WATCHER = Event->timer (	2814	$TICK_WATCHER = Event->timer (
2001	reentrant => 0,	2815	reentrant => 0,
		2816	parked => 1,
2002	prio => 0,	2817	prio => 0,
2003	at => $NEXT_TICK || $TICK,	2818	at => $NEXT_TICK || $TICK,
2004	data => WF_AUTOCANCEL,	2819	data => WF_AUTOCANCEL,
2005	cb => sub {	2820	cb => sub {
2006	unless ($FREEZE) {	2821	if ($Coro::current != $Coro::main) {
		2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2823	unless ++$bug_warning > 10;
		2824	return;
		2825	}
		2826
		2827	$NOW = Event::time;
		2828
2007	cf::server_tick; # one server iteration	2829	cf::server_tick; # one server iteration
		2830
2008	$RUNTIME += $TICK;	2831	$RUNTIME += $TICK;
2009	}
2010
2011	$NEXT_TICK += $TICK;	2832	$NEXT_TICK += $TICK;
		2833
		2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2835	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2836	Coro::async_pool {
		2837	write_runtime
		2838	or warn "ERROR: unable to write runtime file: $!";
		2839	};
		2840	}
		2841
		2842	# my $AFTER = Event::time;
		2843	# warn $AFTER - $NOW;#d#
2012		2844
2013	# if we are delayed by four ticks or more, skip them all	2845	# if we are delayed by four ticks or more, skip them all
2014	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2015		2847
2016	$TICK_WATCHER->at ($NEXT_TICK);	2848	$TICK_WATCHER->at ($NEXT_TICK);
2017	$TICK_WATCHER->start;	2849	$TICK_WATCHER->start;
		2850
		2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2852	$sig->send;
		2853	}
		2854	while (my $sig = shift @WAIT_FOR_TICK) {
		2855	$sig->send;
		2856	}
		2857
		2858	_post_tick;
2018	},	2859	},
2019	);	2860	);
2020		2861
		2862	{
2021	IO::AIO::max_poll_time $TICK * 0.2;	2863	BDB::max_poll_time $TICK * 0.1;
2022		2864	$BDB_POLL_WATCHER = Event->io (
2023	Event->io (	2865	reentrant => 0,
2024	fd => IO::AIO::poll_fileno,	2866	fd => BDB::poll_fileno,
2025	poll => 'r',	2867	poll => 'r',
2026	prio => 5,	2868	prio => 0,
2027	data => WF_AUTOCANCEL,
2028	cb => \&IO::AIO::poll_cb,
2029	);
2030
2031	Event->timer (
2032	data => WF_AUTOCANCEL,	2869	data => WF_AUTOCANCEL,
2033	after => 0,	2870	cb => \&BDB::poll_cb,
2034	interval => 10,	2871	);
2035	cb => sub {	2872	BDB::min_parallel 8;
2036	(Coro::unblock_sub {	2873
2037	write_runtime	2874	BDB::set_sync_prepare {
2038	or warn "ERROR: unable to write runtime file: $!";	2875	my $status;
		2876	my $current = $Coro::current;
		2877	(
		2878	sub {
		2879	$status = $!;
		2880	$current->ready; undef $current;
		2881	},
		2882	sub {
		2883	Coro::schedule while defined $current;
		2884	$! = $status;
		2885	},
		2886	)
		2887	};
		2888
		2889	unless ($DB_ENV) {
		2890	$DB_ENV = BDB::db_env_create;
		2891
		2892	cf::sync_job {
		2893	eval {
		2894	BDB::db_env_open
		2895	$DB_ENV,
		2896	$BDBDIR,
		2897	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2899	0666;
		2900
		2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2902
		2903	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2904	$DB_ENV->set_lk_detect;
		2905	};
		2906
		2907	cf::cleanup "db_env_open(db): $@" if $@;
2039	})->();	2908	};
2040	},	2909	}
2041	);	2910	}
		2911
		2912	{
		2913	IO::AIO::min_parallel 8;
		2914
		2915	undef $Coro::AIO::WATCHER;
		2916	IO::AIO::max_poll_time $TICK * 0.1;
		2917	$AIO_POLL_WATCHER = Event->io (
		2918	reentrant => 0,
		2919	data => WF_AUTOCANCEL,
		2920	fd => IO::AIO::poll_fileno,
		2921	poll => 'r',
		2922	prio => 6,
		2923	cb => \&IO::AIO::poll_cb,
		2924	);
		2925	}
		2926
		2927	# load additional modules
		2928	use cf::pod;
		2929
		2930	END { cf::emergency_save }
2042		2931
2043	1	2932	1
2044		2933

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