ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.109 by root, Sun Dec 31 22:23:12 2006 UTC vs.
Revision 1.274 by root, Tue Jun 5 13:05:02 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
		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
57		98
58	binmode STDOUT;	99	binmode STDOUT;
59	binmode STDERR;	100	binmode STDERR;
60		101
61	# read virtual server time, if available	102	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
66	}	107	}
67		108
68	mkdir cf::localdir;	109	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		111
74	# a special map that is always available	112	our $EMERGENCY_POSITION;
75	our $LINK_MAP;	113
		114	sub cf::map::normalise;
76		115
77	#############################################################################	116	#############################################################################
78		117
79	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
80		119
…		…
87	=item $cf::RUNTIME	126	=item $cf::RUNTIME
88		127
89	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
90	every server tick.	129	every server tick.
91		130
92	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
93		134
94	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
95	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
96		139
97	=item $cf::NOW	140	=item $cf::NOW
98		141
99	The time of the last (current) server tick.	142	The time of the last (current) server tick.
100		143
101	=item $cf::TICK	144	=item $cf::TICK
102		145
103	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
104		157
105	=item %cf::CFG	158	=item %cf::CFG
106		159
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	161	from wherever your confdir points to.
		162
		163	=item cf::wait_for_tick, cf::wait_for_tick_begin
		164
		165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		166	returns directly I<after> the tick processing (and consequently, can only wake one process
		167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
109		168
110	=back	169	=back
111		170
112	=cut	171	=cut
113		172
114	BEGIN {	173	BEGIN {
115	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	175	my $msg = join "", @_;
117	utf8::encode $msg;
118		176
119	$msg .= "\n"	177	$msg .= "\n"
120	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
121		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	183	LOG llevError, $msg;
123	};	184	};
124	}	185	}
125		186
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
131	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
132		194
133	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
134	# within the Safe compartment.	196	# within the Safe compartment.
135	for my $pkg (qw(	197	for my $pkg (qw(
136	cf::global cf::attachable	198	cf::global cf::attachable
…		…
145		207
146	$Event::DIED = sub {	208	$Event::DIED = sub {
147	warn "error in event callback: @_";	209	warn "error in event callback: @_";
148	};	210	};
149		211
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	212	=head2 UTILITY FUNCTIONS
155		213
156	=over 4	214	=over 4
157		215
158	=cut	216	=item dumpval $ref
159		217
		218	=cut
		219
		220	sub dumpval {
		221	eval {
		222	local $SIG{__DIE__};
		223	my $d;
		224	if (1) {
		225	$d = new Data::Dumper([$_[0]], ["*var"]);
		226	$d->Terse(1);
		227	$d->Indent(2);
		228	$d->Quotekeys(0);
		229	$d->Useqq(1);
		230	#$d->Bless(...);
		231	$d->Seen($_[1]) if @_ > 1;
		232	$d = $d->Dump();
		233	}
		234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		235	$d
		236	} || "[unable to dump $_[0]: '$@']";
		237	}
		238
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161		240
162	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
163		242
164	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
165		244
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
174		246
175	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
176		248
177	=cut	249	=item cf::lock_wait $string
178		250
179	sub to_json($) {	251	Wait until the given lock is available. See cf::lock_acquire.
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	252
181	JSON::Syck::Dump $_[0]	253	=item my $lock = cf::lock_acquire $string
		254
		255	Wait until the given lock is available and then acquires it and returns
		256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		257	for example when the coroutine gets canceled), the lock is automatically
		258	returned.
		259
		260	Lock names should begin with a unique identifier (for example, cf::map::find
		261	uses map_find and cf::map::load uses map_load).
		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
		267	=cut
		268
		269	our %LOCK;
		270
		271	sub lock_wait($) {
		272	my ($key) = @_;
		273
		274	# wait for lock, if any
		275	while ($LOCK{$key}) {
		276	push @{ $LOCK{$key} }, $Coro::current;
		277	Coro::schedule;
		278	}
182	}	279	}
		280
		281	sub lock_acquire($) {
		282	my ($key) = @_;
		283
		284	# wait, to be sure we are not locked
		285	lock_wait $key;
		286
		287	$LOCK{$key} = [];
		288
		289	Coro::guard {
		290	# wake up all waiters, to be on the safe side
		291	$_->ready for @{ delete $LOCK{$key} };
		292	}
		293	}
		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
		299	}
		300
		301	sub freeze_mainloop {
		302	return unless $TICK_WATCHER->is_active;
		303
		304	my $guard = Coro::guard {
		305	$TICK_WATCHER->start;
		306	};
		307	$TICK_WATCHER->stop;
		308	$guard
		309	}
		310
		311	=item cf::async { BLOCK }
		312
		313	Currently the same as Coro::async_pool, meaning you cannot use
		314	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		315	thing you are allowed to do is call C<prio> on it.
		316
		317	=cut
		318
		319	BEGIN { *async = \&Coro::async_pool }
183		320
184	=item cf::sync_job { BLOCK }	321	=item cf::sync_job { BLOCK }
185		322
186	The design of crossfire+ requires that the main coro ($Coro::main) is	323	The design of crossfire+ requires that the main coro ($Coro::main) is
187	always able to handle events or runnable, as crossfire+ is only partly	324	always able to handle events or runnable, as crossfire+ is only partly
…		…
195	=cut	332	=cut
196		333
197	sub sync_job(&) {	334	sub sync_job(&) {
198	my ($job) = @_;	335	my ($job) = @_;
199		336
200	my $busy = 1;
201	my @res;
202
203	# TODO: use suspend/resume instead
204	local $FREEZE = 1;
205
206	my $coro = Coro::async {
207	@res = eval { $job->() };
208	warn $@ if $@;
209	undef $busy;
210	};
211
212	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
		340	# this is the main coro, too bad, we have to block
		341	# till the operation succeeds, freezing the server :/
		342
		343	# TODO: use suspend/resume instead
		344	# (but this is cancel-safe)
		345	my $freeze_guard = freeze_mainloop;
		346
		347	my $busy = 1;
		348	my @res;
		349
		350	(async {
		351	@res = eval { $job->() };
		352	warn $@ if $@;
		353	undef $busy;
213	$coro->prio (Coro::PRIO_MAX);	354	})->prio (Coro::PRIO_MAX);
		355
214	while ($busy) {	356	while ($busy) {
215	Coro::cede_notself;	357	Coro::cede or Event::one_event;
216	Event::one_event unless Coro::nready;
217	}	358	}
		359
		360	$time = Event::time - $time;
		361
		362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		364
		365	$tick_start += $time; # do not account sync jobs to server load
		366
		367	wantarray ? @res : $res[0]
218	} else {	368	} else {
219	$coro->join;	369	# we are in another coroutine, how wonderful, everything just works
		370
		371	$job->()
220	}	372	}
221
222	wantarray ? @res : $res[0]
223	}	373	}
224		374
225	=item $coro = cf::coro { BLOCK }	375	=item $coro = cf::async_ext { BLOCK }
226		376
227	Creates and returns a new coro. This coro is automcatially being canceled	377	Like async, but this coro is automatically being canceled when the
228	when the extension calling this is being unloaded.	378	extension calling this is being unloaded.
229		379
230	=cut	380	=cut
231		381
232	sub coro(&) {	382	sub async_ext(&) {
233	my $cb = shift;	383	my $cb = shift;
234		384
235	my $coro; $coro = async {	385	my $coro = &Coro::async ($cb);
236	eval {
237	$cb->();
238	};
239	warn $@ if $@;
240	};
241		386
242	$coro->on_destroy (sub {	387	$coro->on_destroy (sub {
243	delete $EXT_CORO{$coro+0};	388	delete $EXT_CORO{$coro+0};
244	});	389	});
245	$EXT_CORO{$coro+0} = $coro;	390	$EXT_CORO{$coro+0} = $coro;
246		391
247	$coro	392	$coro
248	}	393	}
249		394
250	sub write_runtime {	395	sub write_runtime {
251	my $runtime = cf::localdir . "/runtime";	396	my $runtime = "$LOCALDIR/runtime";
		397
		398	# first touch the runtime file to show we are still running:
		399	# the fsync below can take a very very long time.
		400
		401	IO::AIO::aio_utime $runtime, undef, undef;
		402
		403	my $guard = cf::lock_acquire "write_runtime";
252		404
253	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
254	or return;	406	or return;
255		407
256	my $value = $cf::RUNTIME;	408	my $value = $cf::RUNTIME + 90 + 10;
		409	# 10 is the runtime save interval, for a monotonic clock
		410	# 60 allows for the watchdog to kill the server.
		411
257	(aio_write $fh, 0, (length $value), $value, 0) <= 0	412	(aio_write $fh, 0, (length $value), $value, 0) <= 0
258	and return;	413	and return;
259		414
		415	# always fsync - this file is important
260	aio_fsync $fh	416	aio_fsync $fh
261	and return;	417	and return;
262		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
263	close $fh	422	close $fh
264	or return;	423	or return;
265		424
266	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
267	and return;	426	and return;
268		427
		428	warn "runtime file written.\n";
		429
269	1	430	1
270	}	431	}
271		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		442	}
		443
272	=back	444	=back
273		445
274	=cut	446	=cut
275
276	#############################################################################
277
278	package cf::path;
279
280	sub new {
281	my ($class, $path, $base) = @_;
282
283	my $self = bless { }, $class;
284
285	if ($path =~ s{^\?random/}{}) {
286	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
287	$self->{random} = cf::from_json $data;
288	} else {
289	if ($path =~ s{^~([^/]+)?}{}) {
290	$self->{user_rel} = 1;
291
292	if (defined $1) {
293	$self->{user} = $1;
294	} elsif ($base =~ m{^~([^/]+)/}) {
295	$self->{user} = $1;
296	} else {
297	warn "cannot resolve user-relative path without user <$path,$base>\n";
298	}
299	} elsif ($path =~ /^\//) {
300	# already absolute
301	} else {
302	$base =~ s{[^/]+/?$}{};
303	return $class->new ("$base/$path");
304	}
305
306	for ($path) {
307	redo if s{/\.?/}{/};
308	redo if s{/[^/]+/\.\./}{/};
309	}
310	}
311
312	$self->{path} = $path;
313
314	$self
315	}
316
317	# the name / primary key / in-game path
318	sub as_string {
319	my ($self) = @_;
320
321	$self->{user_rel} ? "~$self->{user}$self->{path}"
322	: $self->{random} ? "?random/$self->{path}"
323	: $self->{path}
324	}
325
326	# the displayed name, this is a one way mapping
327	sub visible_name {
328	my ($self) = @_;
329
330	# if (my $rmp = $self->{random}) {
331	# # todo: be more intelligent about this
332	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
333	# } else {
334	$self->as_string
335	# }
336	}
337
338	# escape the /'s in the path
339	sub _escaped_path {
340	# ∕ is U+2215
341	(my $path = $_[0]{path}) =~ s/\//∕/g;
342	$path
343	}
344
345	# the original (read-only) location
346	sub load_path {
347	my ($self) = @_;
348
349	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
350	}
351
352	# the temporary/swap location
353	sub save_path {
354	my ($self) = @_;
355
356	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
357	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
358	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
359	}
360
361	# the unique path, might be eq to save_path
362	sub uniq_path {
363	my ($self) = @_;
364
365	$self->{user_rel} || $self->{random}
366	? undef
367	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
368	}
369
370	# return random map parameters, or undef
371	sub random_map_params {
372	my ($self) = @_;
373
374	$self->{random}
375	}
376
377	# this is somewhat ugly, but style maps do need special treatment
378	sub is_style_map {
379	$_[0]{path} =~ m{^/styles/}
380	}
381
382	package cf;
383		447
384	#############################################################################	448	#############################################################################
385		449
386	=head2 ATTACHABLE OBJECTS	450	=head2 ATTACHABLE OBJECTS
387		451
…		…
513	our @CB_TYPE = (); # registry for type (cf-object class) based events	577	our @CB_TYPE = (); # registry for type (cf-object class) based events
514	our @CB_MAP = ();	578	our @CB_MAP = ();
515		579
516	my %attachment;	580	my %attachment;
517		581
		582	sub cf::attachable::thawer_merge {
		583	# simply override everything except _meta
		584	local $_[0]{_meta};
		585	%{$_[0]} = %{$_[1]};
		586	}
		587
518	sub _attach_cb($$$$) {	588	sub _attach_cb($$$$) {
519	my ($registry, $event, $prio, $cb) = @_;	589	my ($registry, $event, $prio, $cb) = @_;
520		590
521	use sort 'stable';	591	use sort 'stable';
522		592
…		…
556	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
557		627
558	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
559	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
560	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
561	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
562		632
563	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
564	my $pkg = shift @arg;	634	my $pkg = shift @arg;
565		635
566	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
607	if (ref $_[0]) {	677	if (ref $_[0]) {
608	_object_attach @_;	678	_object_attach @_;
609	} else {	679	} else {
610	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
611	}	681	}
		682	_recalc_want;
612	};	683	};
613		684
614	# all those should be optimised	685	# all those should be optimised
615	sub cf::attachable::detach {	686	sub cf::attachable::detach {
616	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
619	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
620	reattach ($obj);	691	reattach ($obj);
621	} else {	692	} else {
622	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
623	}	694	}
		695	_recalc_want;
624	};	696	};
625		697
626	sub cf::attachable::attached {	698	sub cf::attachable::attached {
627	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
628		700
…		…
693	# object support	765	# object support
694		766
695	sub reattach {	767	sub reattach {
696	# basically do the same as instantiate, without calling instantiate	768	# basically do the same as instantiate, without calling instantiate
697	my ($obj) = @_;	769	my ($obj) = @_;
		770
		771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
698		772
699	my $registry = $obj->registry;	773	my $registry = $obj->registry;
700		774
701	@$registry = ();	775	@$registry = ();
702		776
…		…
749	$filename, length $$rdata, scalar @$objs;	823	$filename, length $$rdata, scalar @$objs;
750		824
751	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
752	chmod SAVE_MODE, $fh;	826	chmod SAVE_MODE, $fh;
753	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
754	aio_fsync $fh;	828	aio_fsync $fh if $cf::USE_FSYNC;
755	close $fh;	829	close $fh;
756		830
757	if (@$objs) {	831	if (@$objs) {
758	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
759	chmod SAVE_MODE, $fh;	833	chmod SAVE_MODE, $fh;
760	my $data = Storable::nfreeze { version => 1, objs => $objs };	834	my $data = Storable::nfreeze { version => 1, objs => $objs };
761	aio_write $fh, 0, (length $data), $data, 0;	835	aio_write $fh, 0, (length $data), $data, 0;
762	aio_fsync $fh;	836	aio_fsync $fh if $cf::USE_FSYNC;
763	close $fh;	837	close $fh;
764	aio_rename "$filename.pst~", "$filename.pst";	838	aio_rename "$filename.pst~", "$filename.pst";
765	}	839	}
766	} else {	840	} else {
767	aio_unlink "$filename.pst";	841	aio_unlink "$filename.pst";
…		…
795	or return;	869	or return;
796		870
797	unless (aio_stat "$filename.pst") {	871	unless (aio_stat "$filename.pst") {
798	(aio_load "$filename.pst", $av) >= 0	872	(aio_load "$filename.pst", $av) >= 0
799	or return;	873	or return;
800	$av = eval { (Storable::thaw <$av>)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
801	}	875	}
802		876
		877	warn sprintf "loading %s (%d)\n",
		878	$filename, length $data, scalar @{$av || []};
803	return ($data, $av);	879	return ($data, $av);
804	}	880	}
805		881
806	#############################################################################	882	#############################################################################
807	# command handling &c	883	# command handling &c
…		…
832	=cut	908	=cut
833		909
834	sub register_extcmd {	910	sub register_extcmd {
835	my ($name, $cb) = @_;	911	my ($name, $cb) = @_;
836		912
837	my $caller = caller;
838	#warn "registering extcmd '$name' to '$caller'";
839
840	$EXTCMD{$name} = [$cb, $caller];	913	$EXTCMD{$name} = $cb;
841	}	914	}
842		915
843	cf::player->attach (	916	cf::player->attach (
844	on_command => sub {	917	on_command => sub {
845	my ($pl, $name, $params) = @_;	918	my ($pl, $name, $params) = @_;
…		…
858		931
859	my $msg = eval { from_json $buf };	932	my $msg = eval { from_json $buf };
860		933
861	if (ref $msg) {	934	if (ref $msg) {
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
863	if (my %reply = $cb->[0]->($pl, $msg)) {	936	if (my %reply = $cb->($pl, $msg)) {
864	$pl->ext_reply ($msg->{msgid}, %reply);	937	$pl->ext_reply ($msg->{msgid}, %reply);
865	}	938	}
866	}	939	}
867	} else {	940	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
870		943
871	cf::override;	944	cf::override;
872	},	945	},
873	);	946	);
874		947
875	sub register {
876	my ($base, $pkg) = @_;
877
878	#TODO
879	}
880
881	sub load_extension {	948	sub load_extension {
882	my ($path) = @_;	949	my ($path) = @_;
883		950
884	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
885	my $base = $1;	952	my $base = $1;
886	my $pkg = $1;	953	my $pkg = $1;
887	$pkg =~ s/[^[:word:]]/_/g;	954	$pkg =~ s/[^[:word:]]/_/g;
888	$pkg = "ext::$pkg";	955	$pkg = "ext::$pkg";
889		956
890	warn "loading '$path' into '$pkg'\n";	957	warn "... loading '$path' into '$pkg'\n";
891		958
892	open my $fh, "<:utf8", $path	959	open my $fh, "<:utf8", $path
893	or die "$path: $!";	960	or die "$path: $!";
894		961
895	my $source =	962	my $source =
896	"package $pkg; use strict; use utf8;\n"	963	"package $pkg; use strict; use utf8;\n"
897	. "#line 1 \"$path\"\n{\n"	964	. "#line 1 \"$path\"\n{\n"
898	. (do { local $/; <$fh> })	965	. (do { local $/; <$fh> })
899	. "\n};\n1";	966	. "\n};\n1";
900		967
901	eval $source	968	unless (eval $source) {
902	or die $@ ? "$path: $@\n"	969	my $msg = $@ ? "$path: $@\n"
903	: "extension disabled.\n";	970	: "extension disabled.\n";
904		971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
905	push @exts, $pkg;	972	warn $@;
906	$ext_pkg{$base} = $pkg;	973	warn "mandatory extension failed to load, exiting.\n";
907		974	exit 1;
908	# no strict 'refs';	975	}
909	# @{"$pkg\::ISA"} = ext::;	976	die $@;
910
911	register $base, $pkg;
912	}
913
914	sub unload_extension {
915	my ($pkg) = @_;
916
917	warn "removing extension $pkg\n";
918
919	# remove hooks
920	#TODO
921	# for my $idx (0 .. $#PLUGIN_EVENT) {
922	# delete $hook[$idx]{$pkg};
923	# }	977	}
924		978
925	# remove commands	979	push @EXTS, $pkg;
926	for my $name (keys %COMMAND) {
927	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
928
929	if (@cb) {
930	$COMMAND{$name} = \@cb;
931	} else {
932	delete $COMMAND{$name};
933	}
934	}
935
936	# remove extcmds
937	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
938	delete $EXTCMD{$name};
939	}
940
941	if (my $cb = $pkg->can ("unload")) {
942	eval {
943	$cb->($pkg);
944	1
945	} or warn "$pkg unloaded, but with errors: $@";
946	}
947
948	Symbol::delete_package $pkg;
949	}	980	}
950		981
951	sub load_extensions {	982	sub load_extensions {
952	for my $ext (<$LIBDIR/*.ext>) {	983	for my $ext (<$LIBDIR/*.ext>) {
953	next unless -r $ext;	984	next unless -r $ext;
…		…
957	} or warn "$ext not loaded: $@";	988	} or warn "$ext not loaded: $@";
958	}	989	}
959	}	990	}
960		991
961	#############################################################################	992	#############################################################################
962	# load/save/clean perl data associated with a map
963		993
964	*cf::mapsupport::on_clean = sub {	994	=head2 CORE EXTENSIONS
		995
		996	Functions and methods that extend core crossfire objects.
		997
		998	=cut
		999
		1000	package cf::player;
		1001
		1002	use Coro::AIO;
		1003
		1004	=head3 cf::player
		1005
		1006	=over 4
		1007
		1008	=item cf::player::find $login
		1009
		1010	Returns the given player object, loading it if necessary (might block).
		1011
		1012	=cut
		1013
		1014	sub playerdir($) {
		1015	"$PLAYERDIR/"
		1016	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1017	}
		1018
		1019	sub path($) {
		1020	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1021
		1022	(playerdir $login) . "/playerdata"
		1023	}
		1024
		1025	sub find_active($) {
		1026	$cf::PLAYER{$_[0]}
		1027	and $cf::PLAYER{$_[0]}->active
		1028	and $cf::PLAYER{$_[0]}
		1029	}
		1030
		1031	sub exists($) {
		1032	my ($login) = @_;
		1033
		1034	$cf::PLAYER{$login}
		1035	or cf::sync_job { !aio_stat path $login }
		1036	}
		1037
		1038	sub find($) {
		1039	return $cf::PLAYER{$_[0]} || do {
		1040	my $login = $_[0];
		1041
		1042	my $guard = cf::lock_acquire "user_find:$login";
		1043
		1044	$cf::PLAYER{$_[0]} || do {
		1045	# rename old playerfiles to new ones
		1046	#TODO: remove when no longer required
		1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1050	aio_unlink +(playerdir $login) . "/$login.pl";
		1051
		1052	my $pl = load_pl path $login
		1053	or return;
		1054	$cf::PLAYER{$login} = $pl
		1055	}
		1056	}
		1057	}
		1058
		1059	sub save($) {
		1060	my ($pl) = @_;
		1061
		1062	return if $pl->{deny_save};
		1063
		1064	my $path = path $pl;
		1065	my $guard = cf::lock_acquire "user_save:$path";
		1066
		1067	return if $pl->{deny_save};
		1068
		1069	aio_mkdir playerdir $pl, 0770;
		1070	$pl->{last_save} = $cf::RUNTIME;
		1071
		1072	$pl->save_pl ($path);
		1073	Coro::cede;
		1074	}
		1075
		1076	sub new($) {
		1077	my ($login) = @_;
		1078
		1079	my $self = create;
		1080
		1081	$self->ob->name ($login);
		1082	$self->{deny_save} = 1;
		1083
		1084	$cf::PLAYER{$login} = $self;
		1085
		1086	$self
		1087	}
		1088
		1089	=item $pl->quit_character
		1090
		1091	Nukes the player without looking back. If logged in, the connection will
		1092	be destroyed. May block for a long time.
		1093
		1094	=cut
		1095
		1096	sub quit_character {
		1097	my ($pl) = @_;
		1098
		1099	my $name = $pl->ob->name;
		1100
		1101	$pl->{deny_save} = 1;
		1102	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1103
		1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1105	$pl->deactivate;
		1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1107	$pl->ns->destroy if $pl->ns;
		1108
		1109	my $path = playerdir $pl;
		1110	my $temp = "$path~$cf::RUNTIME~deleting~";
		1111	aio_rename $path, $temp;
		1112	delete $cf::PLAYER{$pl->ob->name};
		1113	$pl->destroy;
		1114
		1115	my $prefix = qr<^~\Q$name\E/>;
		1116
		1117	# nuke player maps
		1118	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1119
		1120	IO::AIO::aio_rmtree $temp;
		1121	}
		1122
		1123	=item $pl->kick
		1124
		1125	Kicks a player out of the game. This destroys the connection.
		1126
		1127	=cut
		1128
		1129	sub kick {
		1130	my ($pl, $kicker) = @_;
		1131
		1132	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1133	$pl->killer ("kicked");
		1134	$pl->ns->destroy;
		1135	}
		1136
		1137	=item cf::player::list_logins
		1138
		1139	Returns am arrayref of all valid playernames in the system, can take a
		1140	while and may block, so not sync_job-capable, ever.
		1141
		1142	=cut
		1143
		1144	sub list_logins {
		1145	my $dirs = aio_readdir $PLAYERDIR
		1146	or return [];
		1147
		1148	my @logins;
		1149
		1150	for my $login (@$dirs) {
		1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1152	aio_read $fh, 0, 512, my $buf, 0 or next;
		1153	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1154
		1155	utf8::decode $login;
		1156	push @logins, $login;
		1157	}
		1158
		1159	\@logins
		1160	}
		1161
		1162	=item $player->maps
		1163
		1164	Returns an arrayref of map paths that are private for this
		1165	player. May block.
		1166
		1167	=cut
		1168
		1169	sub maps($) {
		1170	my ($pl) = @_;
		1171
		1172	$pl = ref $pl ? $pl->ob->name : $pl;
		1173
		1174	my $files = aio_readdir playerdir $pl
		1175	or return;
		1176
		1177	my @paths;
		1178
		1179	for (@$files) {
		1180	utf8::decode $_;
		1181	next if /\.(?:pl|pst)$/;
		1182	next unless /^$PATH_SEP/o;
		1183
		1184	push @paths, cf::map::normalise "~$pl/$_";
		1185	}
		1186
		1187	\@paths
		1188	}
		1189
		1190	=item $player->ext_reply ($msgid, %msg)
		1191
		1192	Sends an ext reply to the player.
		1193
		1194	=cut
		1195
		1196	sub ext_reply($$%) {
		1197	my ($self, $id, %msg) = @_;
		1198
		1199	$msg{msgid} = $id;
		1200
		1201	$self->send ("ext " . cf::to_json \%msg);
		1202	}
		1203
		1204	=item $player->ext_event ($type, %msg)
		1205
		1206	Sends an ext event to the client.
		1207
		1208	=cut
		1209
		1210	sub ext_event($$%) {
		1211	my ($self, $type, %msg) = @_;
		1212
		1213	$self->ns->ext_event ($type, %msg);
		1214	}
		1215
		1216	=head3 cf::region
		1217
		1218	=over 4
		1219
		1220	=cut
		1221
		1222	package cf::region;
		1223
		1224	=item cf::region::find_by_path $path
		1225
		1226	Tries to decuce the probable region for a map knowing only its path.
		1227
		1228	=cut
		1229
		1230	sub find_by_path($) {
		1231	my ($path) = @_;
		1232
		1233	my ($match, $specificity);
		1234
		1235	for my $region (list) {
		1236	if ($region->match && $path =~ $region->match) {
		1237	($match, $specificity) = ($region, $region->specificity)
		1238	if $region->specificity > $specificity;
		1239	}
		1240	}
		1241
		1242	$match
		1243	}
		1244
		1245	=back
		1246
		1247	=head3 cf::map
		1248
		1249	=over 4
		1250
		1251	=cut
		1252
		1253	package cf::map;
		1254
		1255	use Fcntl;
		1256	use Coro::AIO;
		1257
		1258	use overload
		1259	'""' => \&as_string,
		1260	fallback => 1;
		1261
		1262	our $MAX_RESET = 3600;
		1263	our $DEFAULT_RESET = 3000;
		1264
		1265	sub generate_random_map {
		1266	my ($self, $rmp) = @_;
		1267	# mit "rum" bekleckern, nicht
		1268	$self->_create_random_map (
		1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
		1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
		1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
		1272	$rmp->{exit_on_final_map},
		1273	$rmp->{xsize}, $rmp->{ysize},
		1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
		1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
		1276	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
		1277	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
		1278	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
		1279	(cf::region::find $rmp->{region}), $rmp->{custom}
		1280	)
		1281	}
		1282
		1283	=item cf::map->register ($regex, $prio)
		1284
		1285	Register a handler for the map path matching the given regex at the
		1286	givne priority (higher is better, built-in handlers have priority 0, the
		1287	default).
		1288
		1289	=cut
		1290
		1291	sub register {
		1292	my (undef, $regex, $prio) = @_;
		1293	my $pkg = caller;
		1294
		1295	no strict;
		1296	push @{"$pkg\::ISA"}, __PACKAGE__;
		1297
		1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1299	}
		1300
		1301	# also paths starting with '/'
		1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1303
		1304	sub thawer_merge {
		1305	my ($self, $merge) = @_;
		1306
		1307	# we have to keep some variables in memory intact
		1308	local $self->{path};
		1309	local $self->{load_path};
		1310	local $self->{deny_save};
		1311	local $self->{deny_reset};
		1312
		1313	$self->SUPER::thawer_merge ($merge);
		1314	}
		1315
		1316	sub normalise {
		1317	my ($path, $base) = @_;
		1318
		1319	$path = "$path"; # make sure its a string
		1320
		1321	$path =~ s/\.map$//;
		1322
		1323	# map plan:
		1324	#
		1325	# /! non-realised random map exit (special hack!)
		1326	# {... are special paths that are not being touched
		1327	# ?xxx/... are special absolute paths
		1328	# ?random/... random maps
		1329	# /... normal maps
		1330	# ~user/... per-player map of a specific user
		1331
		1332	$path =~ s/$PATH_SEP/\//go;
		1333
		1334	# treat it as relative path if it starts with
		1335	# something that looks reasonable
		1336	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1337	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1338
		1339	$base =~ s{[^/]+/?$}{};
		1340	$path = "$base/$path";
		1341	}
		1342
		1343	for ($path) {
		1344	redo if s{//}{/};
		1345	redo if s{/\.?/}{/};
		1346	redo if s{/[^/]+/\.\./}{/};
		1347	}
		1348
		1349	$path
		1350	}
		1351
		1352	sub new_from_path {
		1353	my (undef, $path, $base) = @_;
		1354
		1355	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1356
		1357	$path = normalise $path, $base;
		1358
		1359	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1360	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1361	my $self = bless cf::map::new, $pkg;
		1362	$self->{path} = $path; $self->path ($path);
		1363	$self->init; # pass $1 etc.
		1364	return $self;
		1365	}
		1366	}
		1367
		1368	Carp::carp "unable to resolve path '$path' (base '$base').";
		1369	()
		1370	}
		1371
		1372	sub init {
		1373	my ($self) = @_;
		1374
		1375	$self
		1376	}
		1377
		1378	sub as_string {
		1379	my ($self) = @_;
		1380
		1381	"$self->{path}"
		1382	}
		1383
		1384	# the displayed name, this is a one way mapping
		1385	sub visible_name {
		1386	&as_string
		1387	}
		1388
		1389	# the original (read-only) location
		1390	sub load_path {
		1391	my ($self) = @_;
		1392
		1393	"$MAPDIR/$self->{path}.map"
		1394	}
		1395
		1396	# the temporary/swap location
		1397	sub save_path {
		1398	my ($self) = @_;
		1399
		1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1401	"$TMPDIR/$path.map"
		1402	}
		1403
		1404	# the unique path, undef == no special unique path
		1405	sub uniq_path {
		1406	my ($self) = @_;
		1407
		1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1409	"$UNIQUEDIR/$path"
		1410	}
		1411
		1412	# and all this just because we cannot iterate over
		1413	# all maps in C++...
		1414	sub change_all_map_light {
		1415	my ($change) = @_;
		1416
		1417	$_->change_map_light ($change)
		1418	for grep $_->outdoor, values %cf::MAP;
		1419	}
		1420
		1421	sub unlink_save {
		1422	my ($self) = @_;
		1423
		1424	utf8::encode (my $save = $self->save_path);
		1425	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1427	}
		1428
		1429	sub load_header_from($) {
		1430	my ($self, $path) = @_;
		1431
		1432	utf8::encode $path;
		1433	#aio_open $path, O_RDONLY, 0
		1434	# or return;
		1435
		1436	$self->_load_header ($path)
		1437	or return;
		1438
		1439	$self->{load_path} = $path;
		1440
		1441	1
		1442	}
		1443
		1444	sub load_header_orig {
		1445	my ($self) = @_;
		1446
		1447	$self->load_header_from ($self->load_path)
		1448	}
		1449
		1450	sub load_header_temp {
		1451	my ($self) = @_;
		1452
		1453	$self->load_header_from ($self->save_path)
		1454	}
		1455
		1456	sub prepare_temp {
		1457	my ($self) = @_;
		1458
		1459	$self->last_access ((delete $self->{last_access})
		1460	|| $cf::RUNTIME); #d#
		1461	# safety
		1462	$self->{instantiate_time} = $cf::RUNTIME
		1463	if $self->{instantiate_time} > $cf::RUNTIME;
		1464	}
		1465
		1466	sub prepare_orig {
		1467	my ($self) = @_;
		1468
		1469	$self->{load_original} = 1;
		1470	$self->{instantiate_time} = $cf::RUNTIME;
		1471	$self->last_access ($cf::RUNTIME);
		1472	$self->instantiate;
		1473	}
		1474
		1475	sub load_header {
		1476	my ($self) = @_;
		1477
		1478	if ($self->load_header_temp) {
		1479	$self->prepare_temp;
		1480	} else {
		1481	$self->load_header_orig
		1482	or return;
		1483	$self->prepare_orig;
		1484	}
		1485
		1486	$self->default_region (cf::region::find_by_path $self->{path})
		1487	unless $self->default_region;
		1488
		1489	1
		1490	}
		1491
		1492	sub find;
		1493	sub find {
		1494	my ($path, $origin) = @_;
		1495
		1496	$path = normalise $path, $origin && $origin->path;
		1497
		1498	cf::lock_wait "map_find:$path";
		1499
		1500	$cf::MAP{$path} || do {
		1501	my $guard = cf::lock_acquire "map_find:$path";
		1502	my $map = new_from_path cf::map $path
		1503	or return;
		1504
		1505	$map->{last_save} = $cf::RUNTIME;
		1506
		1507	$map->load_header
		1508	or return;
		1509
		1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1511	# doing this can freeze the server in a sync job, obviously
		1512	#$cf::WAIT_FOR_TICK->wait;
		1513	$map->reset;
		1514	undef $guard;
		1515	return find $path;
		1516	}
		1517
		1518	$cf::MAP{$path} = $map
		1519	}
		1520	}
		1521
		1522	sub pre_load { }
		1523	sub post_load { }
		1524
		1525	sub load {
		1526	my ($self) = @_;
		1527
		1528	local $self->{deny_reset} = 1; # loading can take a long time
		1529
		1530	my $path = $self->{path};
		1531
		1532	{
		1533	my $guard = cf::lock_acquire "map_load:$path";
		1534
		1535	return if $self->in_memory != cf::MAP_SWAPPED;
		1536
		1537	$self->in_memory (cf::MAP_LOADING);
		1538
		1539	$self->alloc;
		1540
		1541	$self->pre_load;
		1542	Coro::cede;
		1543
		1544	$self->_load_objects ($self->{load_path}, 1)
		1545	or return;
		1546
		1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1548	if delete $self->{load_original};
		1549
		1550	if (my $uniq = $self->uniq_path) {
		1551	utf8::encode $uniq;
		1552	if (aio_open $uniq, O_RDONLY, 0) {
		1553	$self->clear_unique_items;
		1554	$self->_load_objects ($uniq, 0);
		1555	}
		1556	}
		1557
		1558	Coro::cede;
		1559	# now do the right thing for maps
		1560	$self->link_multipart_objects;
		1561	$self->difficulty ($self->estimate_difficulty)
		1562	unless $self->difficulty;
		1563	Coro::cede;
		1564
		1565	unless ($self->{deny_activate}) {
		1566	$self->decay_objects;
		1567	$self->fix_auto_apply;
		1568	$self->update_buttons;
		1569	Coro::cede;
		1570	$self->set_darkness_map;
		1571	Coro::cede;
		1572	$self->activate;
		1573	}
		1574
		1575	$self->in_memory (cf::MAP_IN_MEMORY);
		1576	}
		1577
		1578	$self->post_load;
		1579	}
		1580
		1581	sub customise_for {
		1582	my ($self, $ob) = @_;
		1583
		1584	return find "~" . $ob->name . "/" . $self->{path}
		1585	if $self->per_player;
		1586
		1587	$self
		1588	}
		1589
		1590	# find and load all maps in the 3x3 area around a map
		1591	sub load_diag {
965	my ($map) = @_;	1592	my ($map) = @_;
966		1593
967	my $path = $map->tmpname;	1594	my @diag; # diagonal neighbours
968	defined $path or return;
969		1595
970	unlink "$path.pst";	1596	for (0 .. 3) {
971	};	1597	my $neigh = $map->tile_path ($_)
		1598	or next;
		1599	$neigh = find $neigh, $map
		1600	or next;
		1601	$neigh->load;
972		1602
973	cf::map->attach (prio => -10000, package => cf::mapsupport::);	1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1605	}
974		1606
975	#############################################################################	1607	for (@diag) {
976	# load/save perl data associated with player->ob objects	1608	my $neigh = find @$_
977		1609	or next;
978	sub all_objects(@) {	1610	$neigh->load;
979	@_, map all_objects ($_->inv), @_	1611	}
980	}	1612	}
981		1613
982	# TODO: compatibility cruft, remove when no longer needed	1614	sub find_sync {
983	cf::player->attach (	1615	my ($path, $origin) = @_;
984	on_load => sub {
985	my ($pl, $path) = @_;
986		1616
987	for my $o (all_objects $pl->ob) {	1617	cf::sync_job { find $path, $origin }
988	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1618	}
989	$o->set_ob_key_value ("_perl_data");
990		1619
991	%$o = %{ Storable::thaw pack "H*", $value };	1620	sub do_load_sync {
		1621	my ($map) = @_;
		1622
		1623	cf::sync_job { $map->load };
		1624	}
		1625
		1626	our %MAP_PREFETCH;
		1627	our $MAP_PREFETCHER = undef;
		1628
		1629	sub find_async {
		1630	my ($path, $origin) = @_;
		1631
		1632	$path = normalise $path, $origin && $origin->{path};
		1633
		1634	if (my $map = $cf::MAP{$path}) {
		1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1636	}
		1637
		1638	undef $MAP_PREFETCH{$path};
		1639	$MAP_PREFETCHER ||= cf::async {
		1640	while (%MAP_PREFETCH) {
		1641	for my $path (keys %MAP_PREFETCH) {
		1642	my $map = find $path
		1643	or next;
		1644	$map->load;
		1645
		1646	delete $MAP_PREFETCH{$path};
992	}	1647	}
993	}	1648	}
		1649	undef $MAP_PREFETCHER;
		1650	};
		1651	$MAP_PREFETCHER->prio (6);
		1652
		1653	()
		1654	}
		1655
		1656	sub save {
		1657	my ($self) = @_;
		1658
		1659	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1660
		1661	$self->{last_save} = $cf::RUNTIME;
		1662
		1663	return unless $self->dirty;
		1664
		1665	my $save = $self->save_path; utf8::encode $save;
		1666	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1667
		1668	$self->{load_path} = $save;
		1669
		1670	return if $self->{deny_save};
		1671
		1672	local $self->{last_access} = $self->last_access;#d#
		1673
		1674	cf::async {
		1675	$_->contr->save for $self->players;
		1676	};
		1677
		1678	if ($uniq) {
		1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		1681	} else {
		1682	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
994	},	1683	}
995	);	1684	}
996		1685
997	#############################################################################	1686	sub swap_out {
		1687	my ($self) = @_;
998		1688
999	=head2 CORE EXTENSIONS	1689	# save first because save cedes
		1690	$self->save;
1000		1691
1001	Functions and methods that extend core crossfire objects.	1692	my $lock = cf::lock_acquire "map_data:" . $self->path;
1002		1693
1003	=head3 cf::player	1694	return if $self->players;
		1695	return if $self->in_memory != cf::MAP_IN_MEMORY;
		1696	return if $self->{deny_save};
		1697
		1698	$self->clear;
		1699	$self->in_memory (cf::MAP_SWAPPED);
		1700	}
		1701
		1702	sub reset_at {
		1703	my ($self) = @_;
		1704
		1705	# TODO: safety, remove and allow resettable per-player maps
		1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1707	return 1e99 if $self->{deny_reset};
		1708
		1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1711
		1712	$time + $to
		1713	}
		1714
		1715	sub should_reset {
		1716	my ($self) = @_;
		1717
		1718	$self->reset_at <= $cf::RUNTIME
		1719	}
		1720
		1721	sub reset {
		1722	my ($self) = @_;
		1723
		1724	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1725
		1726	return if $self->players;
		1727	return if $self->isa ("ext::map_per_player");#d#
		1728
		1729	warn "resetting map ", $self->path;
		1730
		1731	$self->in_memory (cf::MAP_SWAPPED);
		1732
		1733	# need to save uniques path
		1734	unless ($self->{deny_save}) {
		1735	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1736
		1737	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1738	if $uniq;
		1739	}
		1740
		1741	delete $cf::MAP{$self->path};
		1742
		1743	$self->clear;
		1744
		1745	$_->clear_links_to ($self) for values %cf::MAP;
		1746
		1747	$self->unlink_save;
		1748	$self->destroy;
		1749	}
		1750
		1751	my $nuke_counter = "aaaa";
		1752
		1753	sub nuke {
		1754	my ($self) = @_;
		1755
		1756	delete $cf::MAP{$self->path};
		1757
		1758	$self->unlink_save;
		1759
		1760	bless $self, "cf::map";
		1761	delete $self->{deny_reset};
		1762	$self->{deny_save} = 1;
		1763	$self->reset_timeout (1);
		1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1765
		1766	$cf::MAP{$self->path} = $self;
		1767
		1768	$self->reset; # polite request, might not happen
		1769	}
		1770
		1771	=item cf::map::unique_maps
		1772
		1773	Returns an arrayref of paths of all shared maps that have
		1774	instantiated unique items. May block.
		1775
		1776	=cut
		1777
		1778	sub unique_maps() {
		1779	my $files = aio_readdir $UNIQUEDIR
		1780	or return;
		1781
		1782	my @paths;
		1783
		1784	for (@$files) {
		1785	utf8::decode $_;
		1786	next if /\.pst$/;
		1787	next unless /^$PATH_SEP/o;
		1788
		1789	push @paths, cf::map::normalise $_;
		1790	}
		1791
		1792	\@paths
		1793	}
		1794
		1795	package cf;
		1796
		1797	=back
		1798
		1799	=head3 cf::object
		1800
		1801	=cut
		1802
		1803	package cf::object;
1004		1804
1005	=over 4	1805	=over 4
1006		1806
1007	=item cf::player::exists $login	1807	=item $ob->inv_recursive
1008		1808
1009	Returns true when the given account exists.	1809	Returns the inventory of the object _and_ their inventories, recursively.
1010		1810
1011	=cut	1811	=cut
1012		1812
1013	sub cf::player::exists($) {	1813	sub inv_recursive_;
1014	cf::player::find $_[0]	1814	sub inv_recursive_ {
1015	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1815	map { $_, inv_recursive_ $_->inv } @_
1016	}	1816	}
1017		1817
1018	=item $player->ext_reply ($msgid, $msgtype, %msg)	1818	sub inv_recursive {
1019		1819	inv_recursive_ inv $_[0]
1020	Sends an ext reply to the player.
1021
1022	=cut
1023
1024	sub cf::player::ext_reply($$$%) {
1025	my ($self, $id, %msg) = @_;
1026
1027	$msg{msgid} = $id;
1028
1029	$self->send ("ext " . to_json \%msg);
1030	}	1820	}
		1821
		1822	package cf;
1031		1823
1032	=back	1824	=back
1033		1825
1034	=head3 cf::object::player	1826	=head3 cf::object::player
1035		1827
…		…
1073	(ref $cf::CFG{"may_$access"}	1865	(ref $cf::CFG{"may_$access"}
1074	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1866	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1075	: $cf::CFG{"may_$access"})	1867	: $cf::CFG{"may_$access"})
1076	}	1868	}
1077		1869
		1870	=item $player_object->enter_link
		1871
		1872	Freezes the player and moves him/her to a special map (C<{link}>).
		1873
		1874	The player should be reasonably safe there for short amounts of time. You
		1875	I<MUST> call C<leave_link> as soon as possible, though.
		1876
		1877	Will never block.
		1878
		1879	=item $player_object->leave_link ($map, $x, $y)
		1880
		1881	Moves the player out of the special C<{link}> map onto the specified
		1882	map. If the map is not valid (or omitted), the player will be moved back
		1883	to the location he/she was before the call to C<enter_link>, or, if that
		1884	fails, to the emergency map position.
		1885
		1886	Might block.
		1887
		1888	=cut
		1889
		1890	sub link_map {
		1891	unless ($LINK_MAP) {
		1892	$LINK_MAP = cf::map::find "{link}"
		1893	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1894	$LINK_MAP->load;
		1895	}
		1896
		1897	$LINK_MAP
		1898	}
		1899
		1900	sub cf::object::player::enter_link {
		1901	my ($self) = @_;
		1902
		1903	$self->deactivate_recursive;
		1904
		1905	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1906
		1907	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		1908	if $self->map && $self->map->{path} ne "{link}";
		1909
		1910	$self->enter_map ($LINK_MAP || link_map, 10, 10);
		1911	}
		1912
		1913	sub cf::object::player::leave_link {
		1914	my ($self, $map, $x, $y) = @_;
		1915
		1916	return unless $self->contr->active;
		1917
		1918	my $link_pos = delete $self->{_link_pos};
		1919
		1920	unless ($map) {
		1921	# restore original map position
		1922	($map, $x, $y) = @{ $link_pos || [] };
		1923	$map = cf::map::find $map;
		1924
		1925	unless ($map) {
		1926	($map, $x, $y) = @$EMERGENCY_POSITION;
		1927	$map = cf::map::find $map
		1928	or die "FATAL: cannot load emergency map\n";
		1929	}
		1930	}
		1931
		1932	($x, $y) = (-1, -1)
		1933	unless (defined $x) && (defined $y);
		1934
		1935	# use -1 or undef as default coordinates, not 0, 0
		1936	($x, $y) = ($map->enter_x, $map->enter_y)
		1937	if $x <=0 && $y <= 0;
		1938
		1939	$map->load;
		1940	$map->load_diag;
		1941
		1942	return unless $self->contr->active;
		1943	$self->activate_recursive;
		1944
		1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		1946	$self->enter_map ($map, $x, $y);
		1947	}
		1948
		1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])
		1950
		1951	Moves the player to the given map-path and coordinates by first freezing
		1952	her, loading and preparing them map, calling the provided $check callback
		1953	that has to return the map if sucecssful, and then unfreezes the player on
		1954	the new (success) or old (failed) map position.
		1955
		1956	=cut
		1957
		1958	our $GOTOGEN;
		1959
		1960	sub cf::object::player::goto {
		1961	my ($self, $path, $x, $y, $check) = @_;
		1962
		1963	# do generation counting so two concurrent goto's will be executed in-order
		1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
		1965
		1966	$self->enter_link;
		1967
		1968	(async {
		1969	my $map = eval {
		1970	my $map = cf::map::find $path;
		1971
		1972	if ($map) {
		1973	$map = $map->customise_for ($self);
		1974	$map = $check->($map) if $check && $map;
		1975	} else {
		1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1977	}
		1978
		1979	$map
		1980	};
		1981
		1982	if ($@) {
		1983	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		1984	LOG llevError | logBacktrace, Carp::longmess $@;
		1985	}
		1986
		1987	if ($gen == $self->{_goto_generation}) {
		1988	delete $self->{_goto_generation};
		1989	$self->leave_link ($map, $x, $y);
		1990	}
		1991	})->prio (1);
		1992	}
		1993
		1994	=item $player_object->enter_exit ($exit_object)
		1995
		1996	=cut
		1997
		1998	sub parse_random_map_params {
		1999	my ($spec) = @_;
		2000
		2001	my $rmp = { # defaults
		2002	xsize => (cf::rndm 15, 40),
		2003	ysize => (cf::rndm 15, 40),
		2004	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2005	#layout => string,
		2006	};
		2007
		2008	for (split /\n/, $spec) {
		2009	my ($k, $v) = split /\s+/, $_, 2;
		2010
		2011	$rmp->{lc $k} = $v if (length $k) && (length $v);
		2012	}
		2013
		2014	$rmp
		2015	}
		2016
		2017	sub prepare_random_map {
		2018	my ($exit) = @_;
		2019
		2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2021
		2022	# all this does is basically replace the /! path by
		2023	# a new random map path (?random/...) with a seed
		2024	# that depends on the exit object
		2025
		2026	my $rmp = parse_random_map_params $exit->msg;
		2027
		2028	if ($exit->map) {
		2029	$rmp->{region} = $exit->region->name;
		2030	$rmp->{origin_map} = $exit->map->path;
		2031	$rmp->{origin_x} = $exit->x;
		2032	$rmp->{origin_y} = $exit->y;
		2033	}
		2034
		2035	$rmp->{random_seed} ||= $exit->random_seed;
		2036
		2037	my $data = cf::to_json $rmp;
		2038	my $md5 = Digest::MD5::md5_hex $data;
		2039	my $meta = "$RANDOMDIR/$md5.meta";
		2040
		2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
		2042	aio_write $fh, 0, (length $data), $data, 0;
		2043	undef $fh;
		2044	aio_rename "$meta~", $meta;
		2045
		2046	$exit->slaying ("?random/$md5");
		2047	$exit->msg (undef);
		2048	}
		2049	}
		2050
		2051	sub cf::object::player::enter_exit {
		2052	my ($self, $exit) = @_;
		2053
		2054	return unless $self->type == cf::PLAYER;
		2055
		2056	if ($exit->slaying eq "/!") {
		2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2058	# the problem is that $exit might not survive long enough
		2059	# so it needs to be done right now, right here
		2060	cf::sync_job { prepare_random_map $exit };
		2061	}
		2062
		2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2064	my $hp = $exit->stats->hp;
		2065	my $sp = $exit->stats->sp;
		2066
		2067	$self->enter_link;
		2068
		2069	(async {
		2070	$self->deactivate_recursive; # just to be sure
		2071	unless (eval {
		2072	$self->goto ($slaying, $hp, $sp);
		2073
		2074	1;
		2075	}) {
		2076	$self->message ("Something went wrong deep within the crossfire server. "
		2077	. "I'll try to bring you back to the map you were before. "
		2078	. "Please report this to the dungeon master!",
		2079	cf::NDI_UNIQUE | cf::NDI_RED);
		2080
		2081	warn "ERROR in enter_exit: $@";
		2082	$self->leave_link;
		2083	}
		2084	})->prio (1);
		2085	}
		2086
1078	=head3 cf::client	2087	=head3 cf::client
1079		2088
1080	=over 4	2089	=over 4
1081		2090
1082	=item $client->send_drawinfo ($text, $flags)	2091	=item $client->send_drawinfo ($text, $flags)
…		…
1088		2097
1089	sub cf::client::send_drawinfo {	2098	sub cf::client::send_drawinfo {
1090	my ($self, $text, $flags) = @_;	2099	my ($self, $text, $flags) = @_;
1091		2100
1092	utf8::encode $text;	2101	utf8::encode $text;
1093	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1094	}	2103	}
1095		2104
		2105	=item $client->ext_event ($type, %msg)
		2106
		2107	Sends an exti event to the client.
		2108
		2109	=cut
		2110
		2111	sub cf::client::ext_event($$%) {
		2112	my ($self, $type, %msg) = @_;
		2113
		2114	$msg{msgtype} = "event_$type";
		2115	$self->send_packet ("ext " . cf::to_json \%msg);
		2116	}
1096		2117
1097	=item $success = $client->query ($flags, "text", \&cb)	2118	=item $success = $client->query ($flags, "text", \&cb)
1098		2119
1099	Queues a query to the client, calling the given callback with	2120	Queues a query to the client, calling the given callback with
1100	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1125	on_reply => sub {	2146	on_reply => sub {
1126	my ($ns, $msg) = @_;	2147	my ($ns, $msg) = @_;
1127		2148
1128	# this weird shuffling is so that direct followup queries	2149	# this weird shuffling is so that direct followup queries
1129	# get handled first	2150	# get handled first
1130	my $queue = delete $ns->{query_queue};	2151	my $queue = delete $ns->{query_queue}
		2152	or return; # be conservative, not sure how that can happen, but we saw a crash here
1131		2153
1132	(shift @$queue)->[1]->($msg);	2154	(shift @$queue)->[1]->($msg);
		2155	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1133		2156
1134	push @{ $ns->{query_queue} }, @$queue;	2157	push @{ $ns->{query_queue} }, @$queue;
1135		2158
1136	if (@{ $ns->{query_queue} } == @$queue) {	2159	if (@{ $ns->{query_queue} } == @$queue) {
1137	if (@$queue) {	2160	if (@$queue) {
…		…
1141	}	2164	}
1142	}	2165	}
1143	},	2166	},
1144	);	2167	);
1145		2168
1146	=item $client->coro (\&cb)	2169	=item $client->async (\&cb)
1147		2170
1148	Create a new coroutine, running the specified callback. The coroutine will	2171	Create a new coroutine, running the specified callback. The coroutine will
1149	be automatically cancelled when the client gets destroyed (e.g. on logout,	2172	be automatically cancelled when the client gets destroyed (e.g. on logout,
1150	or loss of connection).	2173	or loss of connection).
1151		2174
1152	=cut	2175	=cut
1153		2176
1154	sub cf::client::coro {	2177	sub cf::client::async {
1155	my ($self, $cb) = @_;	2178	my ($self, $cb) = @_;
1156		2179
1157	my $coro; $coro = async {	2180	my $coro = &Coro::async ($cb);
1158	eval {
1159	$cb->();
1160	};
1161	warn $@ if $@;
1162	};
1163		2181
1164	$coro->on_destroy (sub {	2182	$coro->on_destroy (sub {
1165	delete $self->{_coro}{$coro+0};	2183	delete $self->{_coro}{$coro+0};
1166	});	2184	});
1167		2185
…		…
1200		2218
1201	# here we export the classes and methods available to script code	2219	# here we export the classes and methods available to script code
1202		2220
1203	=pod	2221	=pod
1204		2222
1205	The following fucntions and emthods are available within a safe environment:	2223	The following functions and methods are available within a safe environment:
1206		2224
1207	cf::object contr pay_amount pay_player map	2225	cf::object contr pay_amount pay_player map
1208	cf::object::player player	2226	cf::object::player player
1209	cf::player peaceful	2227	cf::player peaceful
1210	cf::map trigger	2228	cf::map trigger
…		…
1295	#############################################################################	2313	#############################################################################
1296		2314
1297	=head2 EXTENSION DATABASE SUPPORT	2315	=head2 EXTENSION DATABASE SUPPORT
1298		2316
1299	Crossfire maintains a very simple database for extension use. It can	2317	Crossfire maintains a very simple database for extension use. It can
1300	currently store anything that can be serialised using Storable, which	2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1301	excludes objects.	2319	convert to/from binary).
1302		2320
1303	The parameter C<$family> should best start with the name of the extension	2321	The parameter C<$family> should best start with the name of the extension
1304	using it, it should be unique.	2322	using it, it should be unique.
1305		2323
1306	=over 4	2324	=over 4
1307		2325
1308	=item $hashref = cf::db_get $family
1309
1310	Return a hashref for use by the extension C<$family>, which can be
1311	modified. After modifications, you have to call C<cf::db_dirty> or
1312	C<cf::db_sync>.
1313
1314	=item $value = cf::db_get $family => $key	2326	=item $value = cf::db_get $family => $key
1315		2327
1316	Returns a single value from the database	2328	Returns a single value from the database.
1317
1318	=item cf::db_put $family => $hashref
1319
1320	Stores the given family hashref into the database. Updates are delayed, if
1321	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1322		2329
1323	=item cf::db_put $family => $key => $value	2330	=item cf::db_put $family => $key => $value
1324		2331
1325	Stores the given C<$value> in the family hash. Updates are delayed, if you	2332	Stores the given C<$value> in the family.
1326	want the data to be synced to disk immediately, use C<cf::db_sync>.
1327
1328	=item cf::db_dirty
1329
1330	Marks the database as dirty, to be updated at a later time.
1331
1332	=item cf::db_sync
1333
1334	Immediately write the database to disk I<if it is dirty>.
1335		2333
1336	=cut	2334	=cut
1337		2335
1338	our $DB;	2336	our $DB;
1339		2337
1340	{	2338	sub db_init {
1341	my $path = cf::localdir . "/database.pst";	2339	unless ($DB) {
		2340	$DB = BDB::db_create $DB_ENV;
1342		2341
1343	sub db_load() {	2342	cf::sync_job {
1344	warn "loading database $path\n";#d# remove later	2343	eval {
1345	$DB = stat $path ? Storable::retrieve $path : { };	2344	$DB->set_flags (BDB::CHKSUM);
1346	}
1347		2345
1348	my $pid;	2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
1349		2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
1350	sub db_save() {	2348	cf::cleanup "db_open(db): $!" if $!;
1351	warn "saving database $path\n";#d# remove later	2349	};
1352	waitpid $pid, 0 if $pid;	2350	cf::cleanup "db_open(db): $@" if $@;
1353	if (0 == ($pid = fork)) {
1354	$DB->{_meta}{version} = 1;
1355	Storable::nstore $DB, "$path~";
1356	rename "$path~", $path;
1357	cf::_exit 0 if defined $pid;
1358	}	2351	};
1359	}
1360
1361	my $dirty;
1362
1363	sub db_sync() {
1364	db_save if $dirty;
1365	undef $dirty;
1366	}
1367
1368	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1369	db_sync;
1370	});	2352	}
		2353	}
1371		2354
1372	sub db_dirty() {
1373	$dirty = 1;
1374	$idle->start;
1375	}
1376
1377	sub db_get($;$) {	2355	sub db_get($$) {
1378	@_ >= 2	2356	my $key = "$_[0]/$_[1]";
1379	? $DB->{$_[0]}{$_[1]}
1380	: ($DB->{$_[0]} ||= { })
1381	}
1382		2357
		2358	cf::sync_job {
		2359	BDB::db_get $DB, undef, $key, my $data;
		2360
		2361	$! ? ()
		2362	: $data
		2363	}
		2364	}
		2365
1383	sub db_put($$;$) {	2366	sub db_put($$$) {
1384	if (@_ >= 3) {	2367	BDB::dbreq_pri 4;
1385	$DB->{$_[0]}{$_[1]} = $_[2];	2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
1386	} else {	2369	}
1387	$DB->{$_[0]} = $_[1];
1388	}
1389	db_dirty;
1390	}
1391		2370
1392	cf::global->attach (	2371	=item cf::cache $id => [$paths...], $processversion => $process
1393	prio => 10000,	2372
1394	on_cleanup => sub {	2373	Generic caching function that returns the value of the resource $id,
1395	db_sync;	2374	caching and regenerating as required.
		2375
		2376	This function can block.
		2377
		2378	=cut
		2379
		2380	sub cache {
		2381	my ($id, $src, $processversion, $process) = @_;
		2382
		2383	my $meta =
		2384	join "\x00",
		2385	$processversion,
		2386	map {
		2387	aio_stat $_
		2388	and Carp::croak "$_: $!";
		2389
		2390	($_, (stat _)[7,9])
		2391	} @$src;
		2392
		2393	my $dbmeta = db_get cache => "$id/meta";
		2394	if ($dbmeta ne $meta) {
		2395	# changed, we may need to process
		2396
		2397	my @data;
		2398	my $md5;
		2399
		2400	for (0 .. $#$src) {
		2401	0 <= aio_load $src->[$_], $data[$_]
		2402	or Carp::croak "$src->[$_]: $!";
1396	},	2403	}
1397	);	2404
		2405	# if processing is expensive, check
		2406	# checksum first
		2407	if (1) {
		2408	$md5 =
		2409	join "\x00",
		2410	$processversion,
		2411	map {
		2412	Coro::cede;
		2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2414	} 0.. $#$src;
		2415
		2416
		2417	my $dbmd5 = db_get cache => "$id/md5";
		2418	if ($dbmd5 eq $md5) {
		2419	db_put cache => "$id/meta", $meta;
		2420
		2421	return db_get cache => "$id/data";
		2422	}
		2423	}
		2424
		2425	my $t1 = Time::HiRes::time;
		2426	my $data = $process->(\@data);
		2427	my $t2 = Time::HiRes::time;
		2428
		2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2430
		2431	db_put cache => "$id/data", $data;
		2432	db_put cache => "$id/md5" , $md5;
		2433	db_put cache => "$id/meta", $meta;
		2434
		2435	return $data;
		2436	}
		2437
		2438	db_get cache => "$id/data"
		2439	}
		2440
		2441	=item fork_call { }, $args
		2442
		2443	Executes the given code block with the given arguments in a seperate
		2444	process, returning the results. Everything must be serialisable with
		2445	Coro::Storable. May, of course, block. Note that the executed sub may
		2446	never block itself or use any form of Event handling.
		2447
		2448	=cut
		2449
		2450	sub fork_call(&@) {
		2451	my ($cb, @args) = @_;
		2452
		2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2454	# or die "socketpair: $!";
		2455	pipe my $fh1, my $fh2
		2456	or die "pipe: $!";
		2457
		2458	if (my $pid = fork) {
		2459	close $fh2;
		2460
		2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2462	$res = Coro::Storable::thaw $res;
		2463
		2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2465
		2466	die $$res unless "ARRAY" eq ref $res;
		2467
		2468	return wantarray ? @$res : $res->[-1];
		2469	} else {
		2470	reset_signals;
		2471	local $SIG{__WARN__};
		2472	local $SIG{__DIE__};
		2473	eval {
		2474	close $fh1;
		2475
		2476	my @res = eval { $cb->(@args) };
		2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2478	};
		2479
		2480	warn $@ if $@;
		2481	_exit 0;
		2482	}
1398	}	2483	}
1399		2484
1400	#############################################################################	2485	#############################################################################
1401	# the server's main()	2486	# the server's init and main functions
		2487
		2488	sub load_facedata($) {
		2489	my ($path) = @_;
		2490
		2491	warn "loading facedata from $path\n";
		2492
		2493	my $facedata;
		2494	0 < aio_load $path, $facedata
		2495	or die "$path: $!";
		2496
		2497	$facedata = Coro::Storable::thaw $facedata;
		2498
		2499	$facedata->{version} == 2
		2500	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2501
		2502	{
		2503	my $faces = $facedata->{faceinfo};
		2504
		2505	while (my ($face, $info) = each %$faces) {
		2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2510	Coro::cede;
		2511	}
		2512
		2513	while (my ($face, $info) = each %$faces) {
		2514	next unless $info->{smooth};
		2515	my $idx = cf::face::find $face
		2516	or next;
		2517	if (my $smooth = cf::face::find $info->{smooth}) {
		2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2519	} else {
		2520	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2521	}
		2522	Coro::cede;
		2523	}
		2524	}
		2525
		2526	{
		2527	my $anims = $facedata->{animinfo};
		2528
		2529	while (my ($anim, $info) = each %$anims) {
		2530	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2531	Coro::cede;
		2532	}
		2533
		2534	cf::anim::invalidate_all; # d'oh
		2535	}
		2536
		2537	1
		2538	}
		2539
		2540	sub reload_regions {
		2541	load_resource_file "$MAPDIR/regions"
		2542	or die "unable to load regions file\n";
		2543	}
		2544
		2545	sub reload_facedata {
		2546	load_facedata "$DATADIR/facedata"
		2547	or die "unable to load facedata\n";
		2548	}
		2549
		2550	sub reload_archetypes {
		2551	load_resource_file "$DATADIR/archetypes"
		2552	or die "unable to load archetypes\n";
		2553	}
		2554
		2555	sub reload_treasures {
		2556	load_resource_file "$DATADIR/treasures"
		2557	or die "unable to load treasurelists\n";
		2558	}
		2559
		2560	sub reload_resources {
		2561	warn "reloading resource files...\n";
		2562
		2563	reload_regions;
		2564	reload_facedata;
		2565	#reload_archetypes;#d#
		2566	reload_archetypes;
		2567	reload_treasures;
		2568
		2569	warn "finished reloading resource files\n";
		2570	}
		2571
		2572	sub init {
		2573	reload_resources;
		2574	}
1402		2575
1403	sub cfg_load {	2576	sub cfg_load {
1404	open my $fh, "<:utf8", cf::confdir . "/config"	2577	open my $fh, "<:utf8", "$CONFDIR/config"
1405	or return;	2578	or return;
1406		2579
1407	local $/;	2580	local $/;
1408	*CFG = YAML::Syck::Load <$fh>;	2581	*CFG = YAML::Syck::Load <$fh>;
		2582
		2583	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2584
		2585	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2586	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2587
		2588	if (exists $CFG{mlockall}) {
		2589	eval {
		2590	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2591	and die "WARNING: m(un)lockall failed: $!\n";
		2592	};
		2593	warn $@ if $@;
		2594	}
1409	}	2595	}
1410		2596
1411	sub main {	2597	sub main {
1412	# we must not ever block the main coroutine	2598	# we must not ever block the main coroutine
1413	local $Coro::idle = sub {	2599	local $Coro::idle = sub {
1414	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2600	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1415	(Coro::unblock_sub {	2601	(async {
1416	Event::one_event;	2602	Event::one_event;
1417	})->();	2603	})->prio (Coro::PRIO_MAX);
1418	};	2604	};
1419		2605
1420	cfg_load;	2606	cfg_load;
1421	db_load;	2607	db_init;
1422	load_extensions;	2608	load_extensions;
		2609
		2610	$TICK_WATCHER->start;
1423	Event::loop;	2611	Event::loop;
1424	}	2612	}
1425		2613
1426	#############################################################################	2614	#############################################################################
1427	# initialisation	2615	# initialisation and cleanup
1428		2616
1429	sub perl_reload() {	2617	# install some emergency cleanup handlers
		2618	BEGIN {
		2619	for my $signal (qw(INT HUP TERM)) {
		2620	Event->signal (
		2621	reentrant => 0,
		2622	data => WF_AUTOCANCEL,
		2623	signal => $signal,
		2624	prio => 0,
		2625	cb => sub {
		2626	cf::cleanup "SIG$signal";
		2627	},
		2628	);
		2629	}
		2630	}
		2631
		2632	sub emergency_save() {
		2633	my $freeze_guard = cf::freeze_mainloop;
		2634
		2635	warn "enter emergency perl save\n";
		2636
		2637	cf::sync_job {
		2638	# use a peculiar iteration method to avoid tripping on perl
		2639	# refcount bugs in for. also avoids problems with players
		2640	# and maps saved/destroyed asynchronously.
		2641	warn "begin emergency player save\n";
		2642	for my $login (keys %cf::PLAYER) {
		2643	my $pl = $cf::PLAYER{$login} or next;
		2644	$pl->valid or next;
		2645	$pl->save;
		2646	}
		2647	warn "end emergency player save\n";
		2648
		2649	warn "begin emergency map save\n";
		2650	for my $path (keys %cf::MAP) {
		2651	my $map = $cf::MAP{$path} or next;
		2652	$map->valid or next;
		2653	$map->save;
		2654	}
		2655	warn "end emergency map save\n";
		2656
		2657	warn "begin emergency database checkpoint\n";
		2658	BDB::db_env_txn_checkpoint $DB_ENV;
		2659	warn "end emergency database checkpoint\n";
		2660	};
		2661
		2662	warn "leave emergency perl save\n";
		2663	}
		2664
		2665	sub post_cleanup {
		2666	my ($make_core) = @_;
		2667
		2668	warn Carp::longmess "post_cleanup backtrace"
		2669	if $make_core;
		2670	}
		2671
		2672	sub do_reload_perl() {
1430	# can/must only be called in main	2673	# can/must only be called in main
1431	if ($Coro::current != $Coro::main) {	2674	if ($Coro::current != $Coro::main) {
1432	warn "can only reload from main coroutine\n";	2675	warn "can only reload from main coroutine";
1433	return;	2676	return;
1434	}	2677	}
1435		2678
1436	warn "reloading...";	2679	warn "reloading...";
1437		2680
1438	local $FREEZE = 1;	2681	warn "entering sync_job";
		2682
		2683	cf::sync_job {
		2684	cf::write_runtime; # external watchdog should not bark
1439	cf::emergency_save;	2685	cf::emergency_save;
		2686	cf::write_runtime; # external watchdog should not bark
1440		2687
1441	eval {	2688	warn "syncing database to disk";
		2689	BDB::db_env_txn_checkpoint $DB_ENV;
		2690
1442	# if anything goes wrong in here, we should simply crash as we already saved	2691	# if anything goes wrong in here, we should simply crash as we already saved
1443		2692
1444	# cancel all watchers	2693	warn "cancelling all WF_AUTOCANCEL watchers";
1445	for (Event::all_watchers) {	2694	for (Event::all_watchers) {
1446	$_->cancel if $_->data & WF_AUTOCANCEL;	2695	$_->cancel if $_->data & WF_AUTOCANCEL;
1447	}	2696	}
1448		2697
		2698	warn "flushing outstanding aio requests";
		2699	for (;;) {
		2700	BDB::flush;
		2701	IO::AIO::flush;
		2702	Coro::cede;
		2703	last unless IO::AIO::nreqs || BDB::nreqs;
		2704	warn "iterate...";
		2705	}
		2706
		2707	++$RELOAD;
		2708
1449	# cancel all extension coros	2709	warn "cancelling all extension coros";
1450	$_->cancel for values %EXT_CORO;	2710	$_->cancel for values %EXT_CORO;
1451	%EXT_CORO = ();	2711	%EXT_CORO = ();
1452		2712
1453	# unload all extensions	2713	warn "removing commands";
1454	for (@exts) {	2714	%COMMAND = ();
		2715
		2716	warn "removing ext commands";
		2717	%EXTCMD = ();
		2718
		2719	warn "unloading/nuking all extensions";
		2720	for my $pkg (@EXTS) {
1455	warn "unloading <$_>";	2721	warn "... unloading $pkg";
1456	unload_extension $_;	2722
		2723	if (my $cb = $pkg->can ("unload")) {
		2724	eval {
		2725	$cb->($pkg);
		2726	1
		2727	} or warn "$pkg unloaded, but with errors: $@";
1457	}	2728	}
1458		2729
		2730	warn "... nuking $pkg";
		2731	Symbol::delete_package $pkg;
		2732	}
		2733
1459	# unload all modules loaded from $LIBDIR	2734	warn "unloading all perl modules loaded from $LIBDIR";
1460	while (my ($k, $v) = each %INC) {	2735	while (my ($k, $v) = each %INC) {
1461	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2736	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1462		2737
1463	warn "removing <$k>";	2738	warn "... unloading $k";
1464	delete $INC{$k};	2739	delete $INC{$k};
1465		2740
1466	$k =~ s/\.pm$//;	2741	$k =~ s/\.pm$//;
1467	$k =~ s/\//::/g;	2742	$k =~ s/\//::/g;
1468		2743
…		…
1471	}	2746	}
1472		2747
1473	Symbol::delete_package $k;	2748	Symbol::delete_package $k;
1474	}	2749	}
1475		2750
1476	# sync database to disk
1477	cf::db_sync;
1478	IO::AIO::flush;
1479
1480	# get rid of safe::, as good as possible	2751	warn "getting rid of safe::, as good as possible";
1481	Symbol::delete_package "safe::$_"	2752	Symbol::delete_package "safe::$_"
1482	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2753	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1483		2754
1484	# remove register_script_function callbacks
1485	# TODO
1486
1487	# unload cf.pm "a bit"	2755	warn "unloading cf.pm \"a bit\"";
1488	delete $INC{"cf.pm"};	2756	delete $INC{"cf.pm"};
		2757	delete $INC{"cf/pod.pm"};
1489		2758
1490	# don't, removes xs symbols, too,	2759	# don't, removes xs symbols, too,
1491	# and global variables created in xs	2760	# and global variables created in xs
1492	#Symbol::delete_package __PACKAGE__;	2761	#Symbol::delete_package __PACKAGE__;
1493		2762
1494	# reload cf.pm	2763	warn "unload completed, starting to reload now";
		2764
1495	warn "reloading cf.pm";	2765	warn "reloading cf.pm";
1496	require cf;	2766	require cf;
1497	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2767	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1498		2768
1499	# load config and database again	2769	warn "loading config and database again";
1500	cf::cfg_load;	2770	cf::cfg_load;
1501	cf::db_load;
1502		2771
1503	# load extensions
1504	warn "load extensions";	2772	warn "loading extensions";
1505	cf::load_extensions;	2773	cf::load_extensions;
1506		2774
1507	# reattach attachments to objects	2775	warn "reattaching attachments to objects/players";
1508	warn "reattach";	2776	_global_reattach; # objects, sockets
1509	_global_reattach;	2777	warn "reattaching attachments to maps";
1510	};	2778	reattach $_ for values %MAP;
		2779	warn "reattaching attachments to players";
		2780	reattach $_ for values %PLAYER;
1511		2781
1512	if ($@) {	2782	warn "leaving sync_job";
		2783
		2784	1
		2785	} or do {
1513	warn $@;	2786	warn $@;
1514	warn "error while reloading, exiting.";	2787	warn "error while reloading, exiting.";
1515	exit 1;	2788	exit 1;
1516	}	2789	};
1517		2790
1518	warn "reloaded successfully";	2791	warn "reloaded";
1519	};	2792	};
1520		2793
1521	#############################################################################	2794	our $RELOAD_WATCHER; # used only during reload
1522		2795
1523	unless ($LINK_MAP) {	2796	sub reload_perl() {
1524	$LINK_MAP = cf::map::new;	2797	# doing reload synchronously and two reloads happen back-to-back,
		2798	# coro crashes during coro_state_free->destroy here.
1525		2799
1526	$LINK_MAP->width (41);	2800	$RELOAD_WATCHER ||= Event->timer (
1527	$LINK_MAP->height (41);	2801	reentrant => 0,
1528	$LINK_MAP->alloc;	2802	after => 0,
1529	$LINK_MAP->path ("{link}");	2803	data => WF_AUTOCANCEL,
1530	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";	2804	cb => sub {
1531	$LINK_MAP->in_memory (MAP_IN_MEMORY);	2805	do_reload_perl;
		2806	undef $RELOAD_WATCHER;
		2807	},
		2808	);
1532	}	2809	}
1533		2810
1534	register "<global>", __PACKAGE__;
1535
1536	register_command "perl-reload" => sub {	2811	register_command "reload" => sub {
1537	my ($who, $arg) = @_;	2812	my ($who, $arg) = @_;
1538		2813
1539	if ($who->flag (FLAG_WIZ)) {	2814	if ($who->flag (FLAG_WIZ)) {
1540	$who->message ("start of reload.");
1541	perl_reload;
1542	$who->message ("end of reload.");	2815	$who->message ("reloading server.");
		2816	async { reload_perl };
1543	}	2817	}
1544	};	2818	};
1545		2819
1546	unshift @INC, $LIBDIR;	2820	unshift @INC, $LIBDIR;
1547		2821
		2822	my $bug_warning = 0;
		2823
		2824	our @WAIT_FOR_TICK;
		2825	our @WAIT_FOR_TICK_BEGIN;
		2826
		2827	sub wait_for_tick {
		2828	return unless $TICK_WATCHER->is_active;
		2829	return if $Coro::current == $Coro::main;
		2830
		2831	my $signal = new Coro::Signal;
		2832	push @WAIT_FOR_TICK, $signal;
		2833	$signal->wait;
		2834	}
		2835
		2836	sub wait_for_tick_begin {
		2837	return unless $TICK_WATCHER->is_active;
		2838	return if $Coro::current == $Coro::main;
		2839
		2840	my $signal = new Coro::Signal;
		2841	push @WAIT_FOR_TICK_BEGIN, $signal;
		2842	$signal->wait;
		2843	}
		2844
		2845	my $min = 1e6;#d#
		2846	my $avg = 10;
1548	$TICK_WATCHER = Event->timer (	2847	$TICK_WATCHER = Event->timer (
1549	reentrant => 0,	2848	reentrant => 0,
		2849	parked => 1,
1550	prio => 0,	2850	prio => 0,
1551	at => $NEXT_TICK || $TICK,	2851	at => $NEXT_TICK || $TICK,
1552	data => WF_AUTOCANCEL,	2852	data => WF_AUTOCANCEL,
1553	cb => sub {	2853	cb => sub {
1554	unless ($FREEZE) {	2854	if ($Coro::current != $Coro::main) {
		2855	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2856	unless ++$bug_warning > 10;
		2857	return;
		2858	}
		2859
		2860	$NOW = $tick_start = Event::time;
		2861
1555	cf::server_tick; # one server iteration	2862	cf::server_tick; # one server iteration
1556	$RUNTIME += $TICK;	2863
		2864	0 && sync_job {#d#
		2865	for(1..10) {
		2866	my $t = Event::time;
		2867	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2868	or die;
		2869
		2870	$map->width (50);
		2871	$map->height (50);
		2872	$map->alloc;
		2873	$map->_load_objects ("/tmp/x.map", 1);
		2874	my $t = Event::time - $t;
		2875
		2876	#next unless $t < 0.0013;#d#
		2877	if ($t < $min) {
		2878	$min = $t;
		2879	}
		2880	$avg = $avg * 0.99 + $t * 0.01;
		2881	}
		2882	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2883	exit 0;
		2884	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
1557	}	2885	};
1558		2886
		2887	$RUNTIME += $TICK;
1559	$NEXT_TICK += $TICK;	2888	$NEXT_TICK += $TICK;
1560		2889
		2890	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2891	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2892	Coro::async_pool {
		2893	write_runtime
		2894	or warn "ERROR: unable to write runtime file: $!";
		2895	};
		2896	}
		2897
		2898	# my $AFTER = Event::time;
		2899	# warn $AFTER - $NOW;#d#
		2900
		2901	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2902	$sig->send;
		2903	}
		2904	while (my $sig = shift @WAIT_FOR_TICK) {
		2905	$sig->send;
		2906	}
		2907
		2908	$NOW = Event::time;
		2909
1561	# if we are delayed by four ticks or more, skip them all	2910	# if we are delayed by four ticks or more, skip them all
1562	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2911	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
1563		2912
1564	$TICK_WATCHER->at ($NEXT_TICK);	2913	$TICK_WATCHER->at ($NEXT_TICK);
1565	$TICK_WATCHER->start;	2914	$TICK_WATCHER->start;
		2915
		2916	$LOAD = ($NOW - $tick_start) / $TICK;
		2917	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2918
		2919	_post_tick;
		2920
		2921
1566	},	2922	},
1567	);	2923	);
1568		2924
		2925	{
1569	IO::AIO::max_poll_time $TICK * 0.2;	2926	BDB::max_poll_time $TICK * 0.1;
1570		2927	$BDB_POLL_WATCHER = Event->io (
1571	Event->io (	2928	reentrant => 0,
1572	fd => IO::AIO::poll_fileno,	2929	fd => BDB::poll_fileno,
1573	poll => 'r',	2930	poll => 'r',
1574	prio => 5,	2931	prio => 0,
1575	data => WF_AUTOCANCEL,
1576	cb => \&IO::AIO::poll_cb,
1577	);
1578
1579	Event->timer (
1580	data => WF_AUTOCANCEL,	2932	data => WF_AUTOCANCEL,
1581	after => 0,	2933	cb => \&BDB::poll_cb,
1582	interval => 10,	2934	);
1583	cb => sub {	2935	BDB::min_parallel 8;
1584	(Coro::unblock_sub {	2936
1585	write_runtime	2937	BDB::set_sync_prepare {
1586	or warn "ERROR: unable to write runtime file: $!";	2938	my $status;
		2939	my $current = $Coro::current;
		2940	(
		2941	sub {
		2942	$status = $!;
		2943	$current->ready; undef $current;
		2944	},
		2945	sub {
		2946	Coro::schedule while defined $current;
		2947	$! = $status;
		2948	},
		2949	)
		2950	};
		2951
		2952	unless ($DB_ENV) {
		2953	$DB_ENV = BDB::db_env_create;
		2954
		2955	cf::sync_job {
		2956	eval {
		2957	BDB::db_env_open
		2958	$DB_ENV,
		2959	$BDBDIR,
		2960	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2961	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2962	0666;
		2963
		2964	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2965
		2966	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2967	$DB_ENV->set_lk_detect;
		2968	};
		2969
		2970	cf::cleanup "db_env_open(db): $@" if $@;
1587	})->();	2971	};
1588	},	2972	}
1589	);	2973	}
		2974
		2975	{
		2976	IO::AIO::min_parallel 8;
		2977
		2978	undef $Coro::AIO::WATCHER;
		2979	IO::AIO::max_poll_time $TICK * 0.1;
		2980	$AIO_POLL_WATCHER = Event->io (
		2981	reentrant => 0,
		2982	data => WF_AUTOCANCEL,
		2983	fd => IO::AIO::poll_fileno,
		2984	poll => 'r',
		2985	prio => 6,
		2986	cb => \&IO::AIO::poll_cb,
		2987	);
		2988	}
		2989
		2990	my $_log_backtrace;
		2991
		2992	sub _log_backtrace {
		2993	my ($msg, @addr) = @_;
		2994
		2995	$msg =~ s/\n//;
		2996
		2997	# limit the # of concurrent backtraces
		2998	if ($_log_backtrace < 2) {
		2999	++$_log_backtrace;
		3000	async {
		3001	my @bt = fork_call {
		3002	@addr = map { sprintf "%x", $_ } @addr;
		3003	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3004	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3005	or die "addr2line: $!";
		3006
		3007	my @funcs;
		3008	my @res = <$fh>;
		3009	chomp for @res;
		3010	while (@res) {
		3011	my ($func, $line) = splice @res, 0, 2, ();
		3012	push @funcs, "[$func] $line";
		3013	}
		3014
		3015	@funcs
		3016	};
		3017
		3018	LOG llevInfo, "[ABT] $msg\n";
		3019	LOG llevInfo, "[ABT] $_\n" for @bt;
		3020	--$_log_backtrace;
		3021	};
		3022	} else {
		3023	LOG llevInfo, "[ABT] $msg\n";
		3024	LOG llevInfo, "[ABT] [suppressed]\n";
		3025	}
		3026	}
		3027
		3028	# load additional modules
		3029	use cf::pod;
		3030
		3031	END { cf::emergency_save }
1590		3032
1591	1	3033	1
1592		3034

Diff Legend

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