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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.136 by root, Fri Jan 5 01:06:28 2007 UTC vs.
Revision 1.358 by root, Fri Sep 7 18:10:52 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 3.64 ();
		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;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
		28	use Data::Dumper;
20	use Digest::MD5;	29	use Digest::MD5;
21	use Fcntl;	30	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.32 ();
24	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
25		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
27		44
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
30		47
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		49
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		51
35	our %COMMAND = ();	52	our %COMMAND = ();
36	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
38		60
		61	our $RELOAD; # number of reloads so far
39	our @EVENT;	62	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		63
42	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	80	our $NEXT_TICK;
45	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
46		86
47	our %CFG;	87	our %CFG;
48		88
49	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	90	our $RUNTIME;
51		91
52	our %MAP; # all maps	92	our (%PLAYER, %PLAYER_LOADING); # all users
53	our $LINK_MAP; # the special {link} map	93	our (%MAP, %MAP_LOADING ); # all maps
54	our $RANDOM_MAPS = cf::localdir . "/random";	94	our $LINK_MAP; # the special {link} map, which is always available
55	our %EXT_CORO;	95
		96	# used to convert map paths into valid unix filenames by replacing / by ∕
		97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
56		102
57	binmode STDOUT;	103	binmode STDOUT;
58	binmode STDERR;	104	binmode STDERR;
59		105
60	# read virtual server time, if available	106	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
62	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
63	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
64	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
65	}	111	}
66		112
67	mkdir cf::localdir;	113	mkdir $_
68	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		115
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
76		119
77	#############################################################################	120	#############################################################################
78		121
79	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
80		123
…		…
87	=item $cf::RUNTIME	130	=item $cf::RUNTIME
88		131
89	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
90	every server tick.	133	every server tick.
91		134
92	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
93		138
94	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
95	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
96		143
97	=item $cf::NOW	144	=item $cf::NOW
98		145
99	The time of the last (current) server tick.	146	The time of the last (current) server tick.
100		147
101	=item $cf::TICK	148	=item $cf::TICK
102		149
103	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
104		161
105	=item %cf::CFG	162	=item %cf::CFG
106		163
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	165	from wherever your confdir points to.
		166
		167	=item cf::wait_for_tick, cf::wait_for_tick_begin
		168
		169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		170	returns directly I<after> the tick processing (and consequently, can only wake one process
		171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
109		178
110	=back	179	=back
111		180
112	=cut	181	=cut
113		182
114	BEGIN {	183	BEGIN {
115	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	185	my $msg = join "", @_;
117	utf8::encode $msg;
118		186
119	$msg .= "\n"	187	$msg .= "\n"
120	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
121		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	193	LOG llevError, $msg;
123	};	194	};
124	}	195	}
125		196
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
131	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
132		204
133	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
134	# within the Safe compartment.	206	# within the Safe compartment.
135	for my $pkg (qw(	207	for my $pkg (qw(
136	cf::global cf::attachable	208	cf::global cf::attachable
…		…
145		217
146	$Event::DIED = sub {	218	$Event::DIED = sub {
147	warn "error in event callback: @_";	219	warn "error in event callback: @_";
148	};	220	};
149		221
150	my %ext_pkg;	222	#############################################################################
151	my @exts;
152	my @hook;
153		223
154	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
155		225
156	=over 4	226	=over 4
157		227
158	=cut	228	=item dumpval $ref
159		229
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	230	=cut
		231
		232	sub dumpval {
		233	eval {
		234	local $SIG{__DIE__};
		235	my $d;
		236	if (1) {
		237	$d = new Data::Dumper([$_[0]], ["*var"]);
		238	$d->Terse(1);
		239	$d->Indent(2);
		240	$d->Quotekeys(0);
		241	$d->Useqq(1);
		242	#$d->Bless(...);
		243	$d->Seen($_[1]) if @_ > 1;
		244	$d = $d->Dump();
		245	}
		246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		247	$d
		248	} || "[unable to dump $_[0]: '$@']";
		249	}
161		250
162	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
163		252
164	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
165		254
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
174		256
175	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
176		258
177	=cut	259	=cut
178		260
179	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
181	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
182	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
183		265
184	=item cf::lock_wait $string	266	=item cf::lock_wait $string
185		267
186	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
187		269
…		…
190	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
191	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
192	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
193	returned.	275	returned.
194		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
195	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
196	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
197		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
198	=cut	287	=cut
199		288
200	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
201		291
202	sub lock_wait($) {	292	sub lock_wait($) {
203	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
204		299
205	# wait for lock, if any	300	# wait for lock, if any
206	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
207	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
208	Coro::schedule;	303	Coro::schedule;
…		…
214		309
215	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
216	lock_wait $key;	311	lock_wait $key;
217		312
218	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
219		315
220	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
221	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
223	}	320	}
224	}	321	}
225		322
226	=item cf::async { BLOCK }	323	sub lock_active($) {
227
228	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
229	error instead of exiting the server in case of a problem.
230
231	=cut
232
233	sub async(&) {
234	my ($cb) = @_;	324	my ($key) = @_;
235		325
236	Coro::async {	326	! ! $LOCK{$key}
237	eval { $cb->() };
238	warn $@ if $@;
239	}
240	}	327	}
241		328
242	sub freeze_mainloop {	329	sub freeze_mainloop {
243	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
244		331
245	my $guard = Coro::guard { $TICK_WATCHER->start };	332	my $guard = Coro::guard {
		333	$TICK_WATCHER->start;
		334	};
246	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
247	$guard	336	$guard
248	}	337	}
249		338
		339	=item cf::get_slot $time[, $priority[, $name]]
		340
		341	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		342	This call blocks and returns only when you have at least C<$time> seconds
		343	of cpu time till the next tick. The slot is only valid till the next cede.
		344
		345	The optional C<$name> can be used to identify the job to run. It might be
		346	used for statistical purposes and should identify the same time-class.
		347
		348	Useful for short background jobs.
		349
		350	=cut
		351
		352	our @SLOT_QUEUE;
		353	our $SLOT_QUEUE;
		354
		355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		356	$SLOT_QUEUE = Coro::async {
		357	my $signal = new Coro::Signal;
		358
		359	while () {
		360	next_job:
		361	my $avail = cf::till_tick;
		362	if ($avail > 0.01) {
		363	for (0 .. $#SLOT_QUEUE) {
		364	if ($SLOT_QUEUE[$_][0] < $avail) {
		365	my $job = splice @SLOT_QUEUE, $_, 1, ();
		366	$job->[2]->send;
		367	Coro::cede;
		368	goto next_job;
		369	}
		370	}
		371	}
		372
		373	if (@SLOT_QUEUE) {
		374	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		375	push @cf::WAIT_FOR_TICK, $signal;
		376	$signal->wait;
		377	} else {
		378	Coro::schedule;
		379	}
		380	}
		381	};
		382
		383	sub get_slot($;$$) {
		384	my ($time, $pri, $name) = @_;
		385
		386	$time = $TICK * .6 if $time > $TICK * .6;
		387	my $sig = new Coro::Signal;
		388
		389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		391	$SLOT_QUEUE->ready;
		392	$sig->wait;
		393	}
		394
		395	=item cf::async { BLOCK }
		396
		397	Currently the same as Coro::async_pool, meaning you cannot use
		398	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		399	thing you are allowed to do is call C<prio> on it.
		400
		401	=cut
		402
		403	BEGIN { *async = \&Coro::async_pool }
		404
250	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
251		406
252	The design of crossfire+ requires that the main coro ($Coro::main) is	407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
253	always able to handle events or runnable, as crossfire+ is only partly	408	is always able to handle events or runnable, as Crossfire TRT is only
254	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		410	acceptable.
255		411
256	If it must be done, put the blocking parts into C<sync_job>. This will run	412	If it must be done, put the blocking parts into C<sync_job>. This will run
257	the given BLOCK in another coroutine while waiting for the result. The	413	the given BLOCK in another coroutine while waiting for the result. The
258	server will be frozen during this time, so the block should either finish	414	server will be frozen during this time, so the block should either finish
259	fast or be very important.	415	fast or be very important.
…		…
262		418
263	sub sync_job(&) {	419	sub sync_job(&) {
264	my ($job) = @_;	420	my ($job) = @_;
265		421
266	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
267	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
269		427
270	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	429	# (but this is cancel-safe)
272	my $freeze_guard = freeze_mainloop;	430	my $freeze_guard = freeze_mainloop;
273		431
274	my $busy = 1;	432	my $busy = 1;
275	my @res;	433	my @res;
276		434
277	(Coro::async {	435	(async {
278	@res = eval { $job->() };	436	@res = eval { $job->() };
279	warn $@ if $@;	437	warn $@ if $@;
280	undef $busy;	438	undef $busy;
281	})->prio (Coro::PRIO_MAX);	439	})->prio (Coro::PRIO_MAX);
282		440
283	while ($busy) {	441	while ($busy) {
284	Coro::cede_notself;	442	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	443	}
		444
		445	$time = Event::time - $time;
		446
		447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		449
		450	$tick_start += $time; # do not account sync jobs to server load
287		451
288	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
289	} else {	453	} else {
290	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
291		455
292	$job->()	456	$job->()
293	}	457	}
294	}	458	}
295		459
296	=item $coro = cf::coro { BLOCK }	460	=item $coro = cf::async_ext { BLOCK }
297		461
298	Creates and returns a new coro. This coro is automcatially being canceled	462	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	463	extension calling this is being unloaded.
300		464
301	=cut	465	=cut
302		466
303	sub coro(&) {	467	sub async_ext(&) {
304	my $cb = shift;	468	my $cb = shift;
305		469
306	my $coro = &cf::async ($cb);	470	my $coro = &Coro::async ($cb);
307		471
308	$coro->on_destroy (sub {	472	$coro->on_destroy (sub {
309	delete $EXT_CORO{$coro+0};	473	delete $EXT_CORO{$coro+0};
310	});	474	});
311	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
312		476
313	$coro	477	$coro
314	}	478	}
315		479
316	sub write_runtime {	480	=item fork_call { }, $args
317	my $runtime = cf::localdir . "/runtime";
318		481
319	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	482	Executes the given code block with the given arguments in a seperate
320	or return;	483	process, returning the results. Everything must be serialisable with
		484	Coro::Storable. May, of course, block. Note that the executed sub may
		485	never block itself or use any form of Event handling.
321		486
322	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	487	=cut
323	(aio_write $fh, 0, (length $value), $value, 0) <= 0
324	and return;
325		488
326	aio_fsync $fh	489	sub fork_call(&@) {
327	and return;	490	my ($cb, @args) = @_;
328		491
329	close $fh	492	# we seemingly have to make a local copy of the whole thing,
330	or return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
331		495
332	aio_rename "$runtime~", $runtime	496	my @res = Coro::Util::fork_eval {
333	and return;	497	reset_signals;
		498	&$cb
		499	}, @args;
334		500
		501	wantarray ? @res : $res[-1]
		502	}
		503
		504	=item $value = cf::db_get $family => $key
		505
		506	Returns a single value from the environment database.
		507
		508	=item cf::db_put $family => $key => $value
		509
		510	Stores the given C<$value> in the family. It can currently store binary
		511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		512
		513	=cut
		514
		515	our $DB;
		516
		517	sub db_init {
		518	unless ($DB) {
		519	$DB = BDB::db_create $DB_ENV;
		520
		521	cf::sync_job {
		522	eval {
		523	$DB->set_flags (BDB::CHKSUM);
		524
		525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		527	cf::cleanup "db_open(db): $!" if $!;
		528	};
		529	cf::cleanup "db_open(db): $@" if $@;
		530	};
335	1	531	}
		532	}
		533
		534	sub db_get($$) {
		535	my $key = "$_[0]/$_[1]";
		536
		537	cf::sync_job {
		538	BDB::db_get $DB, undef, $key, my $data;
		539
		540	$! ? ()
		541	: $data
		542	}
		543	}
		544
		545	sub db_put($$$) {
		546	BDB::dbreq_pri 4;
		547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		548	}
		549
		550	=item cf::cache $id => [$paths...], $processversion => $process
		551
		552	Generic caching function that returns the value of the resource $id,
		553	caching and regenerating as required.
		554
		555	This function can block.
		556
		557	=cut
		558
		559	sub cache {
		560	my ($id, $src, $processversion, $process) = @_;
		561
		562	my $meta =
		563	join "\x00",
		564	$processversion,
		565	map {
		566	aio_stat $_
		567	and Carp::croak "$_: $!";
		568
		569	($_, (stat _)[7,9])
		570	} @$src;
		571
		572	my $dbmeta = db_get cache => "$id/meta";
		573	if ($dbmeta ne $meta) {
		574	# changed, we may need to process
		575
		576	my @data;
		577	my $md5;
		578
		579	for (0 .. $#$src) {
		580	0 <= aio_load $src->[$_], $data[$_]
		581	or Carp::croak "$src->[$_]: $!";
		582	}
		583
		584	# if processing is expensive, check
		585	# checksum first
		586	if (1) {
		587	$md5 =
		588	join "\x00",
		589	$processversion,
		590	map {
		591	cf::cede_to_tick;
		592	($src->[$_], Digest::MD5::md5_hex $data[$_])
		593	} 0.. $#$src;
		594
		595
		596	my $dbmd5 = db_get cache => "$id/md5";
		597	if ($dbmd5 eq $md5) {
		598	db_put cache => "$id/meta", $meta;
		599
		600	return db_get cache => "$id/data";
		601	}
		602	}
		603
		604	my $t1 = Time::HiRes::time;
		605	my $data = $process->(\@data);
		606	my $t2 = Time::HiRes::time;
		607
		608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		609
		610	db_put cache => "$id/data", $data;
		611	db_put cache => "$id/md5" , $md5;
		612	db_put cache => "$id/meta", $meta;
		613
		614	return $data;
		615	}
		616
		617	db_get cache => "$id/data"
		618	}
		619
		620	=item cf::datalog type => key => value, ...
		621
		622	Log a datalog packet of the given type with the given key-value pairs.
		623
		624	=cut
		625
		626	sub datalog($@) {
		627	my ($type, %kv) = @_;
		628	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
336	}	629	}
337		630
338	=back	631	=back
339		632
340	=cut	633	=cut
341
342	#############################################################################
343
344	package cf::path;
345
346	sub new {
347	my ($class, $path, $base) = @_;
348
349	$path = $path->as_string if ref $path;
350
351	my $self = bless { }, $class;
352
353	# {... are special paths that are not touched
354	# ?xxx/... are special absolute paths
355	# ?random/... random maps
356	# /! non-realised random map exit
357	# /... normal maps
358	# ~/... per-player maps without a specific player (DO NOT USE)
359	# ~user/... per-player map of a specific user
360
361	if ($path =~ /^{/) {
362	# fine as it is
363	} elsif ($path =~ s{^\?random/}{}) {
364	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
365	$self->{random} = cf::from_json $data;
366	} else {
367	if ($path =~ s{^~([^/]+)?}{}) {
368	$self->{user_rel} = 1;
369
370	if (defined $1) {
371	$self->{user} = $1;
372	} elsif ($base =~ m{^~([^/]+)/}) {
373	$self->{user} = $1;
374	} else {
375	warn "cannot resolve user-relative path without user <$path,$base>\n";
376	}
377	} elsif ($path =~ /^\//) {
378	# already absolute
379	} else {
380	$base =~ s{[^/]+/?$}{};
381	return $class->new ("$base/$path");
382	}
383
384	for ($path) {
385	redo if s{/\.?/}{/};
386	redo if s{/[^/]+/\.\./}{/};
387	}
388	}
389
390	$self->{path} = $path;
391
392	$self
393	}
394
395	# the name / primary key / in-game path
396	sub as_string {
397	my ($self) = @_;
398
399	$self->{user_rel} ? "~$self->{user}$self->{path}"
400	: $self->{random} ? "?random/$self->{path}"
401	: $self->{path}
402	}
403
404	# the displayed name, this is a one way mapping
405	sub visible_name {
406	my ($self) = @_;
407
408	# if (my $rmp = $self->{random}) {
409	# # todo: be more intelligent about this
410	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
411	# } else {
412	$self->as_string
413	# }
414	}
415
416	# escape the /'s in the path
417	sub _escaped_path {
418	# ∕ is U+2215
419	(my $path = $_[0]{path}) =~ s/\//∕/g;
420	$path
421	}
422
423	# the original (read-only) location
424	sub load_path {
425	my ($self) = @_;
426
427	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
428	}
429
430	# the temporary/swap location
431	sub save_path {
432	my ($self) = @_;
433
434	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
435	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
436	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
437	}
438
439	# the unique path, might be eq to save_path
440	sub uniq_path {
441	my ($self) = @_;
442
443	$self->{user_rel} || $self->{random}
444	? undef
445	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
446	}
447
448	# return random map parameters, or undef
449	sub random_map_params {
450	my ($self) = @_;
451
452	$self->{random}
453	}
454
455	# this is somewhat ugly, but style maps do need special treatment
456	sub is_style_map {
457	$_[0]{path} =~ m{^/styles/}
458	}
459
460	package cf;
461		634
462	#############################################################################	635	#############################################################################
463		636
464	=head2 ATTACHABLE OBJECTS	637	=head2 ATTACHABLE OBJECTS
465		638
…		…
467	attach callbacks/event handlers (a collection of which is called an "attachment")	640	attach callbacks/event handlers (a collection of which is called an "attachment")
468	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
469		642
470	In the following description, CLASS can be any of C<global>, C<object>	643	In the following description, CLASS can be any of C<global>, C<object>
471	C<player>, C<client> or C<map> (i.e. the attachable objects in	644	C<player>, C<client> or C<map> (i.e. the attachable objects in
472	crossfire+).	645	Crossfire TRT).
473		646
474	=over 4	647	=over 4
475		648
476	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
477		650
…		…
591	our @CB_TYPE = (); # registry for type (cf-object class) based events	764	our @CB_TYPE = (); # registry for type (cf-object class) based events
592	our @CB_MAP = ();	765	our @CB_MAP = ();
593		766
594	my %attachment;	767	my %attachment;
595		768
		769	sub cf::attachable::thawer_merge {
		770	# simply override everything except _meta
		771	local $_[0]{_meta};
		772	%{$_[0]} = %{$_[1]};
		773	}
		774
596	sub _attach_cb($$$$) {	775	sub _attach_cb($$$$) {
597	my ($registry, $event, $prio, $cb) = @_;	776	my ($registry, $event, $prio, $cb) = @_;
598		777
599	use sort 'stable';	778	use sort 'stable';
600		779
…		…
634	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
635		814
636	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
637	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
638	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
639	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
640		819
641	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
642	my $pkg = shift @arg;	821	my $pkg = shift @arg;
643		822
644	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
673	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
674	}	853	}
675		854
676	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
677	} else {	856	} else {
678	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
679	}	858	}
680		859
681	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
682	}	861	}
683		862
…		…
685	if (ref $_[0]) {	864	if (ref $_[0]) {
686	_object_attach @_;	865	_object_attach @_;
687	} else {	866	} else {
688	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
689	}	868	}
		869	_recalc_want;
690	};	870	};
691		871
692	# all those should be optimised	872	# all those should be optimised
693	sub cf::attachable::detach {	873	sub cf::attachable::detach {
694	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
697	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
698	reattach ($obj);	878	reattach ($obj);
699	} else {	879	} else {
700	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
701	}	881	}
		882	_recalc_want;
702	};	883	};
703		884
704	sub cf::attachable::attached {	885	sub cf::attachable::attached {
705	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
706		887
…		…
721	";	902	";
722	die if $@;	903	die if $@;
723	}	904	}
724		905
725	our $override;	906	our $override;
726	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	907	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
727		908
728	sub override {	909	sub override {
729	$override = 1;	910	$override = 1;
730	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
731	}	912	}
732		913
733	sub do_invoke {	914	sub do_invoke {
734	my $event = shift;	915	my $event = shift;
735	my $callbacks = shift;	916	my $callbacks = shift;
736		917
737	@invoke_results = ();	918	@INVOKE_RESULTS = ();
738		919
739	local $override;	920	local $override;
740		921
741	for (@$callbacks) {	922	for (@$callbacks) {
742	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
759		940
760	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
761		942
762	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	943	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
763	removed in future versions), and there is no public API to access override	944	removed in future versions), and there is no public API to access override
764	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
765		946
766	=back	947	=back
767		948
768	=cut	949	=cut
769		950
770	#############################################################################	951	#############################################################################
771	# object support	952	# object support
		953	#
		954
		955	sub _can_merge {
		956	my ($ob1, $ob2) = @_;
		957
		958	local $Storable::canonical = 1;
		959	my $fob1 = Storable::freeze $ob1;
		960	my $fob2 = Storable::freeze $ob2;
		961
		962	$fob1 eq $fob2
		963	}
772		964
773	sub reattach {	965	sub reattach {
774	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
775	my ($obj) = @_;	967	my ($obj) = @_;
		968
		969	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
776		970
777	my $registry = $obj->registry;	971	my $registry = $obj->registry;
778		972
779	@$registry = ();	973	@$registry = ();
780		974
…		…
819	);	1013	);
820		1014
821	sub object_freezer_save {	1015	sub object_freezer_save {
822	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
823		1017
		1018	my $guard = cf::lock_acquire "io";
		1019
824	sync_job {	1020	sync_job {
825	if (length $$rdata) {	1021	if (length $$rdata) {
826	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
827	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
828		1024
829	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
830	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
831	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
832	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
833	close $fh;	1029	close $fh;
834		1030
835	if (@$objs) {	1031	if (@$objs) {
836	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1032	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
837	chmod SAVE_MODE, $fh;	1033	chmod SAVE_MODE, $fh;
838	my $data = Storable::nfreeze { version => 1, objs => $objs };	1034	my $data = Storable::nfreeze { version => 1, objs => $objs };
839	aio_write $fh, 0, (length $data), $data, 0;	1035	aio_write $fh, 0, (length $data), $data, 0;
840	aio_fsync $fh;	1036	aio_fsync $fh if $cf::USE_FSYNC;
841	close $fh;	1037	close $fh;
842	aio_rename "$filename.pst~", "$filename.pst";	1038	aio_rename "$filename.pst~", "$filename.pst";
843	}	1039	}
844	} else {	1040	} else {
845	aio_unlink "$filename.pst";	1041	aio_unlink "$filename.pst";
…		…
851	}	1047	}
852	} else {	1048	} else {
853	aio_unlink $filename;	1049	aio_unlink $filename;
854	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
855	}	1051	}
856	}	1052	};
		1053
		1054	undef $guard;
857	}	1055	}
858		1056
859	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
860	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
861		1059
…		…
866		1064
867	sub object_thawer_load {	1065	sub object_thawer_load {
868	my ($filename) = @_;	1066	my ($filename) = @_;
869		1067
870	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
871		1071
872	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
873	or return;	1073	or return;
874		1074
875	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
876	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
877	or return;	1077	or return;
		1078
		1079	undef $guard;
878	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
879	}	1081	}
880		1082
881	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
882	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
883	return ($data, $av);	1086	($data, $av)
884	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
885		1094
886	#############################################################################	1095	#############################################################################
887	# command handling &c	1096	# command handling &c
888		1097
889	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
902	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
903	}	1112	}
904		1113
905	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
906		1115
907	Register a callbackf ro execution when the client sends an extcmd packet.	1116	Register a callback for execution when the client sends an (synchronous)
		1117	extcmd packet. Ext commands will be processed in the order they are
		1118	received by the server, like other user commands. The first argument is
		1119	the logged-in player. Ext commands can only be processed after a player
		1120	has logged in successfully.
908		1121
909	If the callback returns something, it is sent back as if reply was being	1122	If the callback returns something, it is sent back as if reply was being
910	called.	1123	called.
911		1124
		1125	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1126
		1127	Register a callback for execution when the client sends an (asynchronous)
		1128	exticmd packet. Exti commands are processed by the server as soon as they
		1129	are received, i.e. out of order w.r.t. other commands. The first argument
		1130	is a client socket. Exti commands can be received anytime, even before
		1131	log-in.
		1132
		1133	If the callback returns something, it is sent back as if reply was being
		1134	called.
		1135
912	=cut	1136	=cut
913		1137
914	sub register_extcmd {	1138	sub register_extcmd {
915	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
916		1140
917	my $caller = caller;
918	#warn "registering extcmd '$name' to '$caller'";
919
920	$EXTCMD{$name} = [$cb, $caller];	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
921	}	1148	}
922		1149
923	cf::player->attach (	1150	cf::player->attach (
924	on_command => sub {	1151	on_command => sub {
925	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
934	cf::override;	1161	cf::override;
935	},	1162	},
936	on_extcmd => sub {	1163	on_extcmd => sub {
937	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
938		1165
939	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
940		1167
941	if (ref $msg) {	1168	if (ref $msg) {
		1169	my ($type, $reply, @payload) =
		1170	"ARRAY" eq ref $msg
		1171	? @$msg
		1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1173
		1174	my @reply;
		1175
942	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
943	if (my %reply = $cb->[0]->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
944	$pl->ext_reply ($msg->{msgid}, %reply);
945	}
946	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
947	} else {	1183	} else {
948	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
949	}	1185	}
950		1186
951	cf::override;	1187	cf::override;
952	},	1188	},
953	);	1189	);
954		1190
955	sub register {
956	my ($base, $pkg) = @_;
957
958	#TODO
959	}
960
961	sub load_extension {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
		1195	for my $path (<$LIBDIR/*.ext>) {
		1196	next unless -r $path;
		1197
		1198	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1199	my $base = $1;
		1200	my $pkg = $1;
		1201	$pkg =~ s/[^[:word:]]/_/g;
		1202	$pkg = "ext::$pkg";
		1203
		1204	open my $fh, "<:utf8", $path
		1205	or die "$path: $!";
		1206
		1207	my $source = do { local $/; <$fh> };
		1208
		1209	my %ext = (
		1210	path => $path,
		1211	base => $base,
		1212	pkg => $pkg,
		1213	);
		1214
		1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1217
		1218	$ext{source} =
		1219	"package $pkg; use strict; use utf8;\n"
		1220	. "#line 1 \"$path\"\n{\n"
		1221	. $source
		1222	. "\n};\n1";
		1223
		1224	$todo{$base} = \%ext;
		1225	}
		1226
		1227	my %done;
		1228	while (%todo) {
		1229	my $progress;
		1230
		1231	while (my ($k, $v) = each %todo) {
		1232	for (split /,\s*/, $v->{meta}{depends}) {
		1233	goto skip
		1234	unless exists $done{$_};
		1235	}
		1236
		1237	warn "... loading '$k' into '$v->{pkg}'\n";
		1238
		1239	unless (eval $v->{source}) {
		1240	my $msg = $@ ? "$v->{path}: $@\n"
		1241	: "$v->{base}: extension inactive.\n";
		1242
		1243	if (exists $v->{meta}{mandatory}) {
		1244	warn $msg;
		1245	warn "mandatory extension failed to load, exiting.\n";
		1246	exit 1;
		1247	}
		1248
		1249	warn $msg;
		1250	}
		1251
		1252	$done{$k} = delete $todo{$k};
		1253	push @EXTS, $v->{pkg};
		1254	$progress = 1;
		1255	}
		1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
		1261	};
		1262	}
		1263
		1264	#############################################################################
		1265
		1266	=back
		1267
		1268	=head2 CORE EXTENSIONS
		1269
		1270	Functions and methods that extend core crossfire objects.
		1271
		1272	=cut
		1273
		1274	package cf::player;
		1275
		1276	use Coro::AIO;
		1277
		1278	=head3 cf::player
		1279
		1280	=over 4
		1281
		1282	=item cf::player::find $login
		1283
		1284	Returns the given player object, loading it if necessary (might block).
		1285
		1286	=cut
		1287
		1288	sub playerdir($) {
		1289	"$PLAYERDIR/"
		1290	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1291	}
		1292
		1293	sub path($) {
		1294	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1295
		1296	(playerdir $login) . "/playerdata"
		1297	}
		1298
		1299	sub find_active($) {
		1300	$cf::PLAYER{$_[0]}
		1301	and $cf::PLAYER{$_[0]}->active
		1302	and $cf::PLAYER{$_[0]}
		1303	}
		1304
		1305	sub exists($) {
		1306	my ($login) = @_;
		1307
		1308	$cf::PLAYER{$login}
		1309	or cf::sync_job { !aio_stat path $login }
		1310	}
		1311
		1312	sub find($) {
		1313	return $cf::PLAYER{$_[0]} || do {
		1314	my $login = $_[0];
		1315
		1316	my $guard = cf::lock_acquire "user_find:$login";
		1317
		1318	$cf::PLAYER{$_[0]} || do {
		1319	# rename old playerfiles to new ones
		1320	#TODO: remove when no longer required
		1321	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1322	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1323	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1324	aio_unlink +(playerdir $login) . "/$login.pl";
		1325
		1326	my $f = new_from_file cf::object::thawer path $login
		1327	or return;
		1328
		1329	$f->next;
		1330	my $pl = cf::player::load_pl $f
		1331	or return;
		1332	local $cf::PLAYER_LOADING{$login} = $pl;
		1333	$f->resolve_delayed_derefs;
		1334	$cf::PLAYER{$login} = $pl
		1335	}
		1336	}
		1337	}
		1338
		1339	sub save($) {
		1340	my ($pl) = @_;
		1341
		1342	return if $pl->{deny_save};
		1343
		1344	my $path = path $pl;
		1345	my $guard = cf::lock_acquire "user_save:$path";
		1346
		1347	return if $pl->{deny_save};
		1348
		1349	aio_mkdir playerdir $pl, 0770;
		1350	$pl->{last_save} = $cf::RUNTIME;
		1351
		1352	$pl->save_pl ($path);
		1353	cf::cede_to_tick;
		1354	}
		1355
		1356	sub new($) {
		1357	my ($login) = @_;
		1358
		1359	my $self = create;
		1360
		1361	$self->ob->name ($login);
		1362	$self->{deny_save} = 1;
		1363
		1364	$cf::PLAYER{$login} = $self;
		1365
		1366	$self
		1367	}
		1368
		1369	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1370
		1371	=cut
		1372
		1373	sub send_msg {
		1374	my $ns = shift->ns
		1375	or return;
		1376	$ns->send_msg (@_);
		1377	}
		1378
		1379	=item $pl->quit_character
		1380
		1381	Nukes the player without looking back. If logged in, the connection will
		1382	be destroyed. May block for a long time.
		1383
		1384	=cut
		1385
		1386	sub quit_character {
		1387	my ($pl) = @_;
		1388
		1389	my $name = $pl->ob->name;
		1390
		1391	$pl->{deny_save} = 1;
		1392	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1393
		1394	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1395	$pl->deactivate;
		1396	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1397	$pl->ns->destroy if $pl->ns;
		1398
		1399	my $path = playerdir $pl;
		1400	my $temp = "$path~$cf::RUNTIME~deleting~";
		1401	aio_rename $path, $temp;
		1402	delete $cf::PLAYER{$pl->ob->name};
		1403	$pl->destroy;
		1404
		1405	my $prefix = qr<^~\Q$name\E/>;
		1406
		1407	# nuke player maps
		1408	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1409
		1410	IO::AIO::aio_rmtree $temp;
		1411	}
		1412
		1413	=item $pl->kick
		1414
		1415	Kicks a player out of the game. This destroys the connection.
		1416
		1417	=cut
		1418
		1419	sub kick {
		1420	my ($pl, $kicker) = @_;
		1421
		1422	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1423	$pl->killer ("kicked");
		1424	$pl->ns->destroy;
		1425	}
		1426
		1427	=item cf::player::list_logins
		1428
		1429	Returns am arrayref of all valid playernames in the system, can take a
		1430	while and may block, so not sync_job-capable, ever.
		1431
		1432	=cut
		1433
		1434	sub list_logins {
		1435	my $dirs = aio_readdir $PLAYERDIR
		1436	or return [];
		1437
		1438	my @logins;
		1439
		1440	for my $login (@$dirs) {
		1441	my $path = path $login;
		1442
		1443	# a .pst is a dead give-away for a valid player
		1444	unless (-e "$path.pst") {
		1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1446	aio_read $fh, 0, 512, my $buf, 0 or next;
		1447	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1448	}
		1449
		1450	utf8::decode $login;
		1451	push @logins, $login;
		1452	}
		1453
		1454	\@logins
		1455	}
		1456
		1457	=item $player->maps
		1458
		1459	Returns an arrayref of map paths that are private for this
		1460	player. May block.
		1461
		1462	=cut
		1463
		1464	sub maps($) {
		1465	my ($pl) = @_;
		1466
		1467	$pl = ref $pl ? $pl->ob->name : $pl;
		1468
		1469	my $files = aio_readdir playerdir $pl
		1470	or return;
		1471
		1472	my @paths;
		1473
		1474	for (@$files) {
		1475	utf8::decode $_;
		1476	next if /\.(?:pl|pst)$/;
		1477	next unless /^$PATH_SEP/o;
		1478
		1479	push @paths, cf::map::normalise "~$pl/$_";
		1480	}
		1481
		1482	\@paths
		1483	}
		1484
		1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1486
		1487	Expand crossfire pod fragments into protocol xml.
		1488
		1489	=cut
		1490
		1491	sub expand_cfpod {
		1492	((my $self), (local $_)) = @_;
		1493
		1494	# escape & and <
		1495	s/&/&amp;/g;
		1496	s/(?<![BIUGHT])</&lt;/g;
		1497
		1498	# this is buggy, it needs to properly take care of nested <'s
		1499
		1500	1 while
		1501	# replace B<>, I<>, U<> etc.
		1502	s/B<([^\>]*)>/<b>$1<\/b>/
		1503	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1504	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1506	# replace G<male|female> tags
		1507	|| s{G<([^>|]*)\|([^>]*)>}{
		1508	$self->gender ? $2 : $1
		1509	}ge
		1510	# replace H<hint text>
		1511	|| s{H<([^\>]*)>}
		1512	{
		1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1515	"")
		1516	[$self->{hintmode}]
		1517	}ge;
		1518
		1519	# create single paragraphs (very hackish)
		1520	s/(?<=\S)\n(?=\w)/ /g;
		1521
		1522	# compress some whitespace
		1523	s/\s+\n/\n/g; # ws line-ends
		1524	s/\n\n+/\n/g; # double lines
		1525	s/^\n+//; # beginning lines
		1526	s/\n+$//; # ending lines
		1527
		1528	$_
		1529	}
		1530
		1531	sub hintmode {
		1532	$_[0]{hintmode} = $_[1] if @_ > 1;
		1533	$_[0]{hintmode}
		1534	}
		1535
		1536	=item $player->ext_reply ($msgid, @msg)
		1537
		1538	Sends an ext reply to the player.
		1539
		1540	=cut
		1541
		1542	sub ext_reply($$@) {
		1543	my ($self, $id, @msg) = @_;
		1544
		1545	$self->ns->ext_reply ($id, @msg)
		1546	}
		1547
		1548	=item $player->ext_msg ($type, @msg)
		1549
		1550	Sends an ext event to the client.
		1551
		1552	=cut
		1553
		1554	sub ext_msg($$@) {
		1555	my ($self, $type, @msg) = @_;
		1556
		1557	$self->ns->ext_msg ($type, @msg);
		1558	}
		1559
		1560	=head3 cf::region
		1561
		1562	=over 4
		1563
		1564	=cut
		1565
		1566	package cf::region;
		1567
		1568	=item cf::region::find_by_path $path
		1569
		1570	Tries to decuce the likely region for a map knowing only its path.
		1571
		1572	=cut
		1573
		1574	sub find_by_path($) {
962	my ($path) = @_;	1575	my ($path) = @_;
963		1576
964	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1577	my ($match, $specificity);
965	my $base = $1;
966	my $pkg = $1;
967	$pkg =~ s/[^[:word:]]/_/g;
968	$pkg = "ext::$pkg";
969		1578
970	warn "loading '$path' into '$pkg'\n";	1579	for my $region (list) {
971		1580	if ($region->{match} && $path =~ $region->{match}) {
972	open my $fh, "<:utf8", $path	1581	($match, $specificity) = ($region, $region->specificity)
973	or die "$path: $!";	1582	if $region->specificity > $specificity;
974		1583	}
975	my $source =
976	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"
978	. (do { local $/; <$fh> })
979	. "\n};\n1";
980
981	eval $source
982	or die $@ ? "$path: $@\n"
983	: "extension disabled.\n";
984
985	push @exts, $pkg;
986	$ext_pkg{$base} = $pkg;
987
988	# no strict 'refs';
989	# @{"$pkg\::ISA"} = ext::;
990
991	register $base, $pkg;
992	}
993
994	sub unload_extension {
995	my ($pkg) = @_;
996
997	warn "removing extension $pkg\n";
998
999	# remove hooks
1000	#TODO
1001	# for my $idx (0 .. $#PLUGIN_EVENT) {
1002	# delete $hook[$idx]{$pkg};
1003	# }	1584	}
1004		1585
1005	# remove commands	1586	$match
1006	for my $name (keys %COMMAND) {
1007	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1008
1009	if (@cb) {
1010	$COMMAND{$name} = \@cb;
1011	} else {
1012	delete $COMMAND{$name};
1013	}
1014	}
1015
1016	# remove extcmds
1017	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1018	delete $EXTCMD{$name};
1019	}
1020
1021	if (my $cb = $pkg->can ("unload")) {
1022	eval {
1023	$cb->($pkg);
1024	1
1025	} or warn "$pkg unloaded, but with errors: $@";
1026	}
1027
1028	Symbol::delete_package $pkg;
1029	}
1030
1031	sub load_extensions {
1032	for my $ext (<$LIBDIR/*.ext>) {
1033	next unless -r $ext;
1034	eval {
1035	load_extension $ext;
1036	1
1037	} or warn "$ext not loaded: $@";
1038	}
1039	}
1040
1041	#############################################################################
1042	# load/save/clean perl data associated with a map
1043
1044	*cf::mapsupport::on_clean = sub {
1045	my ($map) = @_;
1046
1047	my $path = $map->tmpname;
1048	defined $path or return;
1049
1050	unlink "$path.pst";
1051	};
1052
1053	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1054
1055	#############################################################################
1056	# load/save perl data associated with player->ob objects
1057
1058	sub all_objects(@) {
1059	@_, map all_objects ($_->inv), @_
1060	}
1061
1062	# TODO: compatibility cruft, remove when no longer needed
1063	cf::player->attach (
1064	on_load => sub {
1065	my ($pl, $path) = @_;
1066
1067	for my $o (all_objects $pl->ob) {
1068	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1069	$o->set_ob_key_value ("_perl_data");
1070
1071	%$o = %{ Storable::thaw pack "H*", $value };
1072	}
1073	}
1074	},
1075	);
1076
1077	#############################################################################
1078
1079	=head2 CORE EXTENSIONS
1080
1081	Functions and methods that extend core crossfire objects.
1082
1083	=head3 cf::player
1084
1085	=over 4
1086
1087	=item cf::player::exists $login
1088
1089	Returns true when the given account exists.
1090
1091	=cut
1092
1093	sub cf::player::exists($) {
1094	cf::player::find $_[0]
1095	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1096	}
1097
1098	=item $player->ext_reply ($msgid, $msgtype, %msg)
1099
1100	Sends an ext reply to the player.
1101
1102	=cut
1103
1104	sub cf::player::ext_reply($$$%) {
1105	my ($self, $id, %msg) = @_;
1106
1107	$msg{msgid} = $id;
1108
1109	$self->send ("ext " . to_json \%msg);
1110	}	1587	}
1111		1588
1112	=back	1589	=back
1113
1114		1590
1115	=head3 cf::map	1591	=head3 cf::map
1116		1592
1117	=over 4	1593	=over 4
1118		1594
…		…
1121	package cf::map;	1597	package cf::map;
1122		1598
1123	use Fcntl;	1599	use Fcntl;
1124	use Coro::AIO;	1600	use Coro::AIO;
1125		1601
		1602	use overload
		1603	'""' => \&as_string,
		1604	fallback => 1;
		1605
1126	our $MAX_RESET = 3600;	1606	our $MAX_RESET = 3600;
1127	our $DEFAULT_RESET = 3000;	1607	our $DEFAULT_RESET = 3000;
1128		1608
1129	sub generate_random_map {	1609	sub generate_random_map {
1130	my ($path, $rmp) = @_;	1610	my ($self, $rmp) = @_;
1131
1132	# mit "rum" bekleckern, nicht	1611	# mit "rum" bekleckern, nicht
1133	cf::map::_create_random_map	1612	$self->_create_random_map (
1134	$path,
1135	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1613	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1136	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1614	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1137	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1615	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138	$rmp->{exit_on_final_map},	1616	$rmp->{exit_on_final_map},
1139	$rmp->{xsize}, $rmp->{ysize},	1617	$rmp->{xsize}, $rmp->{ysize},
1140	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1618	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1141	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1619	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1142	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1620	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1143	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1621	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1144	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1622	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1145	(cf::region::find $rmp->{region})	1623	(cf::region::find $rmp->{region}), $rmp->{custom}
		1624	)
		1625	}
		1626
		1627	=item cf::map->register ($regex, $prio)
		1628
		1629	Register a handler for the map path matching the given regex at the
		1630	givne priority (higher is better, built-in handlers have priority 0, the
		1631	default).
		1632
		1633	=cut
		1634
		1635	sub register {
		1636	my (undef, $regex, $prio) = @_;
		1637	my $pkg = caller;
		1638
		1639	no strict;
		1640	push @{"$pkg\::ISA"}, __PACKAGE__;
		1641
		1642	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1643	}
		1644
		1645	# also paths starting with '/'
		1646	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1647
		1648	sub thawer_merge {
		1649	my ($self, $merge) = @_;
		1650
		1651	# we have to keep some variables in memory intact
		1652	local $self->{path};
		1653	local $self->{load_path};
		1654
		1655	$self->SUPER::thawer_merge ($merge);
		1656	}
		1657
		1658	sub normalise {
		1659	my ($path, $base) = @_;
		1660
		1661	$path = "$path"; # make sure its a string
		1662
		1663	$path =~ s/\.map$//;
		1664
		1665	# map plan:
		1666	#
		1667	# /! non-realised random map exit (special hack!)
		1668	# {... are special paths that are not being touched
		1669	# ?xxx/... are special absolute paths
		1670	# ?random/... random maps
		1671	# /... normal maps
		1672	# ~user/... per-player map of a specific user
		1673
		1674	$path =~ s/$PATH_SEP/\//go;
		1675
		1676	# treat it as relative path if it starts with
		1677	# something that looks reasonable
		1678	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1679	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1680
		1681	$base =~ s{[^/]+/?$}{};
		1682	$path = "$base/$path";
		1683	}
		1684
		1685	for ($path) {
		1686	redo if s{//}{/};
		1687	redo if s{/\.?/}{/};
		1688	redo if s{/[^/]+/\.\./}{/};
		1689	}
		1690
		1691	$path
		1692	}
		1693
		1694	sub new_from_path {
		1695	my (undef, $path, $base) = @_;
		1696
		1697	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1698
		1699	$path = normalise $path, $base;
		1700
		1701	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1702	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1703	my $self = bless cf::map::new, $pkg;
		1704	$self->{path} = $path; $self->path ($path);
		1705	$self->init; # pass $1 etc.
		1706	return $self;
		1707	}
		1708	}
		1709
		1710	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1711	()
		1712	}
		1713
		1714	sub init {
		1715	my ($self) = @_;
		1716
		1717	$self
		1718	}
		1719
		1720	sub as_string {
		1721	my ($self) = @_;
		1722
		1723	"$self->{path}"
		1724	}
		1725
		1726	# the displayed name, this is a one way mapping
		1727	sub visible_name {
		1728	&as_string
		1729	}
		1730
		1731	# the original (read-only) location
		1732	sub load_path {
		1733	my ($self) = @_;
		1734
		1735	"$MAPDIR/$self->{path}.map"
		1736	}
		1737
		1738	# the temporary/swap location
		1739	sub save_path {
		1740	my ($self) = @_;
		1741
		1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1743	"$TMPDIR/$path.map"
		1744	}
		1745
		1746	# the unique path, undef == no special unique path
		1747	sub uniq_path {
		1748	my ($self) = @_;
		1749
		1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1751	"$UNIQUEDIR/$path"
1146	}	1752	}
1147		1753
1148	# and all this just because we cannot iterate over	1754	# and all this just because we cannot iterate over
1149	# all maps in C++...	1755	# all maps in C++...
1150	sub change_all_map_light {	1756	sub change_all_map_light {
…		…
1152		1758
1153	$_->change_map_light ($change)	1759	$_->change_map_light ($change)
1154	for grep $_->outdoor, values %cf::MAP;	1760	for grep $_->outdoor, values %cf::MAP;
1155	}	1761	}
1156		1762
		1763	sub decay_objects {
		1764	my ($self) = @_;
		1765
		1766	return if $self->{deny_reset};
		1767
		1768	$self->do_decay_objects;
		1769	}
		1770
		1771	sub unlink_save {
		1772	my ($self) = @_;
		1773
		1774	utf8::encode (my $save = $self->save_path);
		1775	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1776	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1777	}
		1778
1157	sub try_load_header($) {	1779	sub load_header_from($) {
1158	my ($path) = @_;	1780	my ($self, $path) = @_;
1159		1781
1160	utf8::encode $path;	1782	utf8::encode $path;
1161	aio_open $path, O_RDONLY, 0	1783	my $f = new_from_file cf::object::thawer $path
1162	or return;	1784	or return;
1163		1785
1164	my $map = cf::map::new	1786	$self->_load_header ($f)
1165	or return;	1787	or return;
1166		1788
1167	# for better error messages only, will be overwritten	1789	local $MAP_LOADING{$self->{path}} = $self;
1168	$map->path ($path);	1790	$f->resolve_delayed_derefs;
1169		1791
1170	$map->load_header ($path)	1792	$self->{load_path} = $path;
		1793
		1794	1
		1795	}
		1796
		1797	sub load_header_orig {
		1798	my ($self) = @_;
		1799
		1800	$self->load_header_from ($self->load_path)
		1801	}
		1802
		1803	sub load_header_temp {
		1804	my ($self) = @_;
		1805
		1806	$self->load_header_from ($self->save_path)
		1807	}
		1808
		1809	sub prepare_temp {
		1810	my ($self) = @_;
		1811
		1812	$self->last_access ((delete $self->{last_access})
		1813	|| $cf::RUNTIME); #d#
		1814	# safety
		1815	$self->{instantiate_time} = $cf::RUNTIME
		1816	if $self->{instantiate_time} > $cf::RUNTIME;
		1817	}
		1818
		1819	sub prepare_orig {
		1820	my ($self) = @_;
		1821
		1822	$self->{load_original} = 1;
		1823	$self->{instantiate_time} = $cf::RUNTIME;
		1824	$self->last_access ($cf::RUNTIME);
		1825	$self->instantiate;
		1826	}
		1827
		1828	sub load_header {
		1829	my ($self) = @_;
		1830
		1831	if ($self->load_header_temp) {
		1832	$self->prepare_temp;
		1833	} else {
		1834	$self->load_header_orig
1171	or return;	1835	or return;
		1836	$self->prepare_orig;
		1837	}
1172		1838
1173	$map->{load_path} = $path;	1839	$self->{deny_reset} = 1
		1840	if $self->no_reset;
1174		1841
1175	$map	1842	$self->default_region (cf::region::find_by_path $self->{path})
		1843	unless $self->default_region;
		1844
		1845	1
1176	}	1846	}
1177		1847
1178	sub find;	1848	sub find;
1179	sub find {	1849	sub find {
1180	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1181		1851
1182	#warn "find<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1852	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1853
		1854	cf::lock_wait "map_data:$path";#d#remove
1187	cf::lock_wait "map_find:$key";	1855	cf::lock_wait "map_find:$path";
1188		1856
1189	$cf::MAP{$key} || do {	1857	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1858	my $guard1 = cf::lock_acquire "map_find:$path";
		1859	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1191		1860
1192	# do it the slow way	1861	my $map = new_from_path cf::map $path
1193	my $map = try_load_header $path->save_path;
1194
1195	Coro::cede;
1196
1197	if ($map) {
1198	$map->last_access ((delete $map->{last_access})
1199	|| $cf::RUNTIME); #d#
1200	# safety
1201	$map->{instantiate_time} = $cf::RUNTIME
1202	if $map->{instantiate_time} > $cf::RUNTIME;
1203	} else {
1204	if (my $rmp = $path->random_map_params) {
1205	$map = generate_random_map $key, $rmp;
1206	} else {
1207	$map = try_load_header $path->load_path;
1208	}
1209
1210	$map or return;	1862	or return;
1211		1863
1212	$map->{load_original} = 1;
1213	$map->{instantiate_time} = $cf::RUNTIME;
1214	$map->last_access ($cf::RUNTIME);
1215	$map->instantiate;
1216
1217	# per-player maps become, after loading, normal maps
1218	$map->per_player (0) if $path->{user_rel};
1219	}
1220
1221	$map->path ($key);
1222	$map->{path} = $path;
1223	$map->{last_save} = $cf::RUNTIME;	1864	$map->{last_save} = $cf::RUNTIME;
1224		1865
1225	Coro::cede;	1866	$map->load_header
		1867	or return;
1226		1868
1227	if ($map->should_reset) {	1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1870	# doing this can freeze the server in a sync job, obviously
		1871	#$cf::WAIT_FOR_TICK->wait;
		1872	undef $guard1;
		1873	undef $guard2;
1228	$map->reset;	1874	$map->reset;
1229	undef $guard;
1230	$map = find $path	1875	return find $path;
1231	or return;
1232	}	1876	}
1233		1877
1234	$cf::MAP{$key} = $map	1878	$cf::MAP{$path} = $map
1235	}	1879	}
1236	}	1880	}
		1881
		1882	sub pre_load { }
		1883	sub post_load { }
1237		1884
1238	sub load {	1885	sub load {
1239	my ($self) = @_;	1886	my ($self) = @_;
1240		1887
		1888	local $self->{deny_reset} = 1; # loading can take a long time
		1889
1241	my $path = $self->{path};	1890	my $path = $self->{path};
		1891
		1892	{
1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1893	my $guard = cf::lock_acquire "map_data:$path";
1243		1894
		1895	return unless $self->valid;
1244	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1245		1897
1246	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1247		1899
1248	$self->alloc;	1900	$self->alloc;
1249	$self->load_objects ($self->{load_path}, 1)	1901
		1902	$self->pre_load;
		1903	cf::cede_to_tick;
		1904
		1905	my $f = new_from_file cf::object::thawer $self->{load_path};
		1906	$f->skip_block;
		1907	$self->_load_objects ($f)
1250	or return;	1908	or return;
1251		1909
1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1253	if delete $self->{load_original};	1911	if delete $self->{load_original};
1254		1912
1255	if (my $uniq = $path->uniq_path) {	1913	if (my $uniq = $self->uniq_path) {
1256	utf8::encode $uniq;	1914	utf8::encode $uniq;
1257	if (aio_open $uniq, O_RDONLY, 0) {	1915	unless (aio_stat $uniq) {
		1916	if (my $f = new_from_file cf::object::thawer $uniq) {
1258	$self->clear_unique_items;	1917	$self->clear_unique_items;
1259	$self->load_objects ($uniq, 0);	1918	$self->_load_objects ($f);
		1919	$f->resolve_delayed_derefs;
		1920	}
1260	}	1921	}
1261	}	1922	}
1262		1923
1263	Coro::cede;	1924	$f->resolve_delayed_derefs;
1264		1925
		1926	cf::cede_to_tick;
1265	# now do the right thing for maps	1927	# now do the right thing for maps
1266	$self->link_multipart_objects;	1928	$self->link_multipart_objects;
1267
1268	if ($self->{path}->is_style_map) {
1269	$self->{deny_save} = 1;
1270	$self->{deny_reset} = 1;
1271	} else {
1272	$self->fix_auto_apply;
1273	$self->decay_objects;
1274	$self->update_buttons;
1275	$self->set_darkness_map;
1276	$self->difficulty ($self->estimate_difficulty)	1929	$self->difficulty ($self->estimate_difficulty)
1277	unless $self->difficulty;	1930	unless $self->difficulty;
		1931	cf::cede_to_tick;
		1932
		1933	unless ($self->{deny_activate}) {
		1934	$self->decay_objects;
		1935	$self->fix_auto_apply;
		1936	$self->update_buttons;
		1937	cf::cede_to_tick;
		1938	$self->set_darkness_map;
		1939	cf::cede_to_tick;
1278	$self->activate;	1940	$self->activate;
1279	}	1941	}
1280		1942
1281	Coro::cede;	1943	$self->{last_save} = $cf::RUNTIME;
		1944	$self->last_access ($cf::RUNTIME);
1282		1945
1283	$self->in_memory (cf::MAP_IN_MEMORY);	1946	$self->in_memory (cf::MAP_IN_MEMORY);
		1947	}
		1948
		1949	$self->post_load;
		1950	}
		1951
		1952	sub customise_for {
		1953	my ($self, $ob) = @_;
		1954
		1955	return find "~" . $ob->name . "/" . $self->{path}
		1956	if $self->per_player;
		1957
		1958	# return find "?party/" . $ob->name . "/" . $self->{path}
		1959	# if $self->per_party;
		1960
		1961	$self
		1962	}
		1963
		1964	# find and load all maps in the 3x3 area around a map
		1965	sub load_neighbours {
		1966	my ($map) = @_;
		1967
		1968	my @neigh; # diagonal neighbours
		1969
		1970	for (0 .. 3) {
		1971	my $neigh = $map->tile_path ($_)
		1972	or next;
		1973	$neigh = find $neigh, $map
		1974	or next;
		1975	$neigh->load;
		1976
		1977	push @neigh,
		1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1980	}
		1981
		1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
		1984	my $neigh = find $path, $origin
		1985	or next;
		1986	$neigh->load;
		1987	}
1284	}	1988	}
1285		1989
1286	sub find_sync {	1990	sub find_sync {
1287	my ($path, $origin) = @_;	1991	my ($path, $origin) = @_;
1288		1992
1289	cf::sync_job { cf::map::find $path, $origin }	1993	cf::sync_job { find $path, $origin }
1290	}	1994	}
1291		1995
1292	sub do_load_sync {	1996	sub do_load_sync {
1293	my ($map) = @_;	1997	my ($map) = @_;
1294		1998
		1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2000	if $Coro::current == $Coro::main;
		2001
1295	cf::sync_job { $map->load };	2002	cf::sync_job { $map->load };
		2003	}
		2004
		2005	our %MAP_PREFETCH;
		2006	our $MAP_PREFETCHER = undef;
		2007
		2008	sub find_async {
		2009	my ($path, $origin, $load) = @_;
		2010
		2011	$path = normalise $path, $origin && $origin->{path};
		2012
		2013	if (my $map = $cf::MAP{$path}) {
		2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2015	}
		2016
		2017	$MAP_PREFETCH{$path} |= $load;
		2018
		2019	$MAP_PREFETCHER ||= cf::async {
		2020	while (%MAP_PREFETCH) {
		2021	while (my ($k, $v) = each %MAP_PREFETCH) {
		2022	if (my $map = find $k) {
		2023	$map->load if $v;
		2024	}
		2025
		2026	delete $MAP_PREFETCH{$k};
		2027	}
		2028	}
		2029	undef $MAP_PREFETCHER;
		2030	};
		2031	$MAP_PREFETCHER->prio (6);
		2032
		2033	()
1296	}	2034	}
1297		2035
1298	sub save {	2036	sub save {
1299	my ($self) = @_;	2037	my ($self) = @_;
1300		2038
		2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2040
1301	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1302		2042
1303	return unless $self->dirty;	2043	return unless $self->dirty;
1304		2044
1305	my $save = $self->{path}->save_path; utf8::encode $save;	2045	my $save = $self->save_path; utf8::encode $save;
1306	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2046	my $uniq = $self->uniq_path; utf8::encode $uniq;
1307		2047
1308	$self->{load_path} = $save;	2048	$self->{load_path} = $save;
1309		2049
1310	return if $self->{deny_save};	2050	return if $self->{deny_save};
1311		2051
1312	local $self->{last_access} = $self->last_access;#d#	2052	local $self->{last_access} = $self->last_access;#d#
1313		2053
		2054	cf::async {
		2055	$_->contr->save for $self->players;
		2056	};
		2057
1314	if ($uniq) {	2058	if ($uniq) {
1315	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2059	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1316	$self->save_objects ($uniq, cf::IO_UNIQUES);	2060	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1317	} else {	2061	} else {
1318	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2062	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1319	}	2063	}
1320	}	2064	}
1321		2065
1322	sub swap_out {	2066	sub swap_out {
1323	my ($self) = @_;	2067	my ($self) = @_;
1324		2068
1325	# save first because save cedes	2069	# save first because save cedes
1326	$self->save;	2070	$self->save;
		2071
		2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1327		2073
1328	return if $self->players;	2074	return if $self->players;
1329	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1330	return if $self->{deny_save};	2076	return if $self->{deny_save};
1331		2077
		2078	$self->deactivate;
1332	$self->clear;	2079	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);	2080	$self->in_memory (cf::MAP_SWAPPED);
1334	}	2081	}
1335		2082
1336	sub reset_at {	2083	sub reset_at {
1337	my ($self) = @_;	2084	my ($self) = @_;
1338		2085
1339	# TODO: safety, remove and allow resettable per-player maps	2086	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};
1341	return 1e99 if $self->{deny_reset};	2087	return 1e99 if $self->{deny_reset};
1342		2088
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2089	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2090	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		2091
…		…
1350	my ($self) = @_;	2096	my ($self) = @_;
1351		2097
1352	$self->reset_at <= $cf::RUNTIME	2098	$self->reset_at <= $cf::RUNTIME
1353	}	2099	}
1354		2100
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	2101	sub reset {
1377	my ($self) = @_;	2102	my ($self) = @_;
1378		2103
		2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2105
1379	return if $self->players;	2106	return if $self->players;
1380	return if $self->{path}{user_rel};#d#
1381		2107
1382	warn "resetting map ", $self->path;#d#	2108	warn "resetting map ", $self->path;
		2109
		2110	$self->in_memory (cf::MAP_SWAPPED);
		2111
		2112	# need to save uniques path
		2113	unless ($self->{deny_save}) {
		2114	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2115
		2116	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2117	if $uniq;
		2118	}
1383		2119
1384	delete $cf::MAP{$self->path};	2120	delete $cf::MAP{$self->path};
		2121
		2122	$self->deactivate;
		2123	$self->clear;
1385		2124
1386	$_->clear_links_to ($self) for values %cf::MAP;	2125	$_->clear_links_to ($self) for values %cf::MAP;
1387		2126
1388	$self->unlink_save;	2127	$self->unlink_save;
1389	$self->destroy;	2128	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	2131	my $nuke_counter = "aaaa";
1393		2132
1394	sub nuke {	2133	sub nuke {
1395	my ($self) = @_;	2134	my ($self) = @_;
1396		2135
		2136	{
		2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2138
		2139	delete $cf::MAP{$self->path};
		2140
		2141	$self->unlink_save;
		2142
		2143	bless $self, "cf::map";
		2144	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	2145	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	2146	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	2147	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2148
		2149	$cf::MAP{$self->path} = $self;
		2150	}
		2151
1400	$self->reset; # polite request, might not happen	2152	$self->reset; # polite request, might not happen
1401	}	2153	}
1402		2154
1403	sub customise_for {	2155	=item $maps = cf::map::tmp_maps
1404	my ($map, $ob) = @_;
1405		2156
1406	if ($map->per_player) {	2157	Returns an arrayref with all map paths of currently instantiated and saved
1407	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2158	maps. May block.
		2159
		2160	=cut
		2161
		2162	sub tmp_maps() {
1408	}	2163	[
1409		2164	map {
1410	$map	2165	utf8::decode $_;
		2166	/\.map$/
		2167	? normalise $_
		2168	: ()
		2169	} @{ aio_readdir $TMPDIR or [] }
		2170	]
1411	}	2171	}
1412		2172
1413	sub emergency_save {	2173	=item $maps = cf::map::random_maps
1414	my $freeze_guard = cf::freeze_mainloop;
1415		2174
1416	warn "enter emergency map save\n";	2175	Returns an arrayref with all map paths of currently instantiated and saved
		2176	random maps. May block.
1417		2177
1418	cf::sync_job {	2178	=cut
1419	warn "begin emergency map save\n";
1420	$_->save for values %cf::MAP;
1421	};
1422		2179
1423	warn "end emergency map save\n";	2180	sub random_maps() {
		2181	[
		2182	map {
		2183	utf8::decode $_;
		2184	/\.map$/
		2185	? normalise "?random/$_"
		2186	: ()
		2187	} @{ aio_readdir $RANDOMDIR or [] }
		2188	]
		2189	}
		2190
		2191	=item cf::map::unique_maps
		2192
		2193	Returns an arrayref of paths of all shared maps that have
		2194	instantiated unique items. May block.
		2195
		2196	=cut
		2197
		2198	sub unique_maps() {
		2199	[
		2200	map {
		2201	utf8::decode $_;
		2202	/\.map$/
		2203	? normalise $_
		2204	: ()
		2205	} @{ aio_readdir $UNIQUEDIR or [] }
		2206	]
1424	}	2207	}
1425		2208
1426	package cf;	2209	package cf;
1427		2210
1428	=back	2211	=back
1429		2212
		2213	=head3 cf::object
		2214
		2215	=cut
		2216
		2217	package cf::object;
		2218
		2219	=over 4
		2220
		2221	=item $ob->inv_recursive
		2222
		2223	Returns the inventory of the object _and_ their inventories, recursively.
		2224
		2225	=cut
		2226
		2227	sub inv_recursive_;
		2228	sub inv_recursive_ {
		2229	map { $_, inv_recursive_ $_->inv } @_
		2230	}
		2231
		2232	sub inv_recursive {
		2233	inv_recursive_ inv $_[0]
		2234	}
		2235
		2236	=item $ref = $ob->ref
		2237
		2238	creates and returns a persistent reference to an objetc that can be stored as a string.
		2239
		2240	=item $ob = cf::object::deref ($refstring)
		2241
		2242	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2243	even if the object actually exists. May block.
		2244
		2245	=cut
		2246
		2247	sub deref {
		2248	my ($ref) = @_;
		2249
		2250	# temporary compatibility#TODO#remove
		2251	$ref =~ s{^<}{player/<};
		2252
		2253	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2254	my ($uuid, $name) = ($1, $2);
		2255	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2256	or return;
		2257	$pl->ob->uuid eq $uuid
		2258	or return;
		2259
		2260	$pl->ob
		2261	} else {
		2262	warn "$ref: cannot resolve object reference\n";
		2263	undef
		2264	}
		2265	}
		2266
		2267	package cf;
		2268
		2269	=back
1430		2270
1431	=head3 cf::object::player	2271	=head3 cf::object::player
1432		2272
1433	=over 4	2273	=over 4
1434		2274
…		…
1448		2288
1449	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2289	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1450		2290
1451	if ($self->{record_replies}) {	2291	if ($self->{record_replies}) {
1452	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2292	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2293
1453	} else {	2294	} else {
		2295	my $pl = $self->contr;
		2296
		2297	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2298	my $dialog = $pl->{npc_dialog};
		2299	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2300
		2301	} else {
1454	$msg = $npc->name . " says: $msg" if $npc;	2302	$msg = $npc->name . " says: $msg" if $npc;
1455	$self->message ($msg, $flags);	2303	$self->message ($msg, $flags);
		2304	}
1456	}	2305	}
		2306	}
		2307
		2308	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2309
		2310	=cut
		2311
		2312	sub cf::object::send_msg {
		2313	my $pl = shift->contr
		2314	or return;
		2315	$pl->send_msg (@_);
1457	}	2316	}
1458		2317
1459	=item $player_object->may ("access")	2318	=item $player_object->may ("access")
1460		2319
1461	Returns wether the given player is authorized to access resource "access"	2320	Returns wether the given player is authorized to access resource "access"
…		…
1474		2333
1475	=item $player_object->enter_link	2334	=item $player_object->enter_link
1476		2335
1477	Freezes the player and moves him/her to a special map (C<{link}>).	2336	Freezes the player and moves him/her to a special map (C<{link}>).
1478		2337
1479	The player should be reaosnably safe there for short amounts of time. You	2338	The player should be reasonably safe there for short amounts of time. You
1480	I<MUST> call C<leave_link> as soon as possible, though.	2339	I<MUST> call C<leave_link> as soon as possible, though.
1481		2340
		2341	Will never block.
		2342
1482	=item $player_object->leave_link ($map, $x, $y)	2343	=item $player_object->leave_link ($map, $x, $y)
1483		2344
1484	Moves the player out of the specila link map onto the given map. If the	2345	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	2346	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	2347	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	2348	fails, to the emergency map position.
1488		2349
1489	Might block.	2350	Might block.
1490		2351
1491	=cut	2352	=cut
		2353
		2354	sub link_map {
		2355	unless ($LINK_MAP) {
		2356	$LINK_MAP = cf::map::find "{link}"
		2357	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2358	$LINK_MAP->load;
		2359	}
		2360
		2361	$LINK_MAP
		2362	}
1492		2363
1493	sub cf::object::player::enter_link {	2364	sub cf::object::player::enter_link {
1494	my ($self) = @_;	2365	my ($self) = @_;
1495		2366
1496	$self->deactivate_recursive;	2367	$self->deactivate_recursive;
1497		2368
1498	return if $self->map == $LINK_MAP;	2369	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		2370
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2371	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	2372	if $self->map && $self->map->{path} ne "{link}";
1502		2373
1503	$self->enter_map ($LINK_MAP, 20, 20);	2374	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1504	}	2375	}
1505		2376
1506	sub cf::object::player::leave_link {	2377	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	2378	my ($self, $map, $x, $y) = @_;
		2379
		2380	return unless $self->contr->active;
1508		2381
1509	my $link_pos = delete $self->{_link_pos};	2382	my $link_pos = delete $self->{_link_pos};
1510		2383
1511	unless ($map) {	2384	unless ($map) {
1512	# restore original map position	2385	# restore original map position
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	2399	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	2400	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	2401	if $x <=0 && $y <= 0;
1529		2402
1530	$map->load;	2403	$map->load;
		2404	$map->load_neighbours;
1531		2405
		2406	return unless $self->contr->active;
1532	$self->activate_recursive;	2407	$self->activate_recursive;
		2408
		2409	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1533	$self->enter_map ($map, $x, $y);	2410	$self->enter_map ($map, $x, $y);
1534	}	2411	}
1535		2412
1536	cf::player->attach (	2413	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1537	on_logout => sub {
1538	my ($pl) = @_;
1539		2414
1540	# abort map switching before logout	2415	Moves the player to the given map-path and coordinates by first freezing
1541	if ($pl->ob->{_link_pos}) {	2416	her, loading and preparing them map, calling the provided $check callback
1542	cf::sync_job {	2417	that has to return the map if sucecssful, and then unfreezes the player on
1543	$pl->ob->leave_link	2418	the new (success) or old (failed) map position. In either case, $done will
1544	};	2419	be called at the end of this process.
1545	}
1546	},
1547	on_login => sub {
1548	my ($pl) = @_;
1549		2420
1550	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;
1554	cf::async {
1555	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn
1557	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;
1559	};
1560	}
1561	},
1562	);
1563
1564	=item $player_object->goto ($path, $x, $y)
1565
1566	=cut	2421	=cut
		2422
		2423	our $GOTOGEN;
1567		2424
1568	sub cf::object::player::goto {	2425	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	2426	my ($self, $path, $x, $y, $check, $done) = @_;
		2427
		2428	# do generation counting so two concurrent goto's will be executed in-order
		2429	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1570		2430
1571	$self->enter_link;	2431	$self->enter_link;
1572		2432
1573	(cf::async {	2433	(async {
1574	$path = new cf::path $path;	2434	my $map = eval {
1575
1576	my $map = cf::map::find $path->as_string;	2435	my $map = cf::map::find $path;
		2436
		2437	if ($map) {
1577	$map = $map->customise_for ($self) if $map;	2438	$map = $map->customise_for ($self);
1578		2439	$map = $check->($map) if $check && $map;
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	2440	} else {
1580	# if $map;
1581
1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2441	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2442	}
1583		2443
		2444	$map
		2445	};
		2446
		2447	if ($@) {
		2448	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2449	LOG llevError | logBacktrace, Carp::longmess $@;
		2450	}
		2451
		2452	if ($gen == $self->{_goto_generation}) {
		2453	delete $self->{_goto_generation};
1584	$self->leave_link ($map, $x, $y);	2454	$self->leave_link ($map, $x, $y);
		2455	}
		2456
		2457	$done->() if $done;
1585	})->prio (1);	2458	})->prio (1);
1586	}	2459	}
1587		2460
1588	=item $player_object->enter_exit ($exit_object)	2461	=item $player_object->enter_exit ($exit_object)
1589		2462
…		…
1591		2464
1592	sub parse_random_map_params {	2465	sub parse_random_map_params {
1593	my ($spec) = @_;	2466	my ($spec) = @_;
1594		2467
1595	my $rmp = { # defaults	2468	my $rmp = { # defaults
1596	xsize => 10,	2469	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	2470	ysize => (cf::rndm 15, 40),
		2471	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2472	#layout => string,
1598	};	2473	};
1599		2474
1600	for (split /\n/, $spec) {	2475	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	2476	my ($k, $v) = split /\s+/, $_, 2;
1602		2477
…		…
1606	$rmp	2481	$rmp
1607	}	2482	}
1608		2483
1609	sub prepare_random_map {	2484	sub prepare_random_map {
1610	my ($exit) = @_;	2485	my ($exit) = @_;
		2486
		2487	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		2488
1612	# all this does is basically replace the /! path by	2489	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	2490	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	2491	# that depends on the exit object
1615		2492
1616	my $rmp = parse_random_map_params $exit->msg;	2493	my $rmp = parse_random_map_params $exit->msg;
1617		2494
1618	if ($exit->map) {	2495	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	2496	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	2497	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	2498	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	2499	$rmp->{origin_y} = $exit->y;
1623	}	2500	}
1624		2501
1625	$rmp->{random_seed} ||= $exit->random_seed;	2502	$rmp->{random_seed} ||= $exit->random_seed;
1626		2503
1627	my $data = cf::to_json $rmp;	2504	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	2505	my $md5 = Digest::MD5::md5_hex $data;
		2506	my $meta = "$RANDOMDIR/$md5.meta";
1629		2507
1630	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2508	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1631	aio_write $fh, 0, (length $data), $data, 0;	2509	aio_write $fh, 0, (length $data), $data, 0;
		2510	undef $fh;
		2511	aio_rename "$meta~", $meta;
1632		2512
1633	$exit->slaying ("?random/$md5");	2513	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	2514	$exit->msg (undef);
1635	}	2515	}
1636	}	2516	}
…		…
1638	sub cf::object::player::enter_exit {	2518	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	2519	my ($self, $exit) = @_;
1640		2520
1641	return unless $self->type == cf::PLAYER;	2521	return unless $self->type == cf::PLAYER;
1642		2522
		2523	if ($exit->slaying eq "/!") {
		2524	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2525	# the problem is that $exit might not survive long enough
		2526	# so it needs to be done right now, right here
		2527	cf::sync_job { prepare_random_map $exit };
		2528	}
		2529
		2530	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2531	my $hp = $exit->stats->hp;
		2532	my $sp = $exit->stats->sp;
		2533
1643	$self->enter_link;	2534	$self->enter_link;
1644		2535
		2536	# if exit is damned, update players death & WoR home-position
		2537	$self->contr->savebed ($slaying, $hp, $sp)
		2538	if $exit->flag (FLAG_DAMNED);
		2539
1645	(cf::async {	2540	(async {
1646	$self->deactivate_recursive; # just to be sure	2541	$self->deactivate_recursive; # just to be sure
1647	unless (eval {	2542	unless (eval {
1648	prepare_random_map $exit	2543	$self->goto ($slaying, $hp, $sp);
1649	if $exit->slaying eq "/!";
1650
1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1652	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1653		2544
1654	1;	2545	1;
1655	}) {	2546	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	2547	$self->message ("Something went wrong deep within the crossfire server. "
1657	. "I'll try to bring you back to the map you were before. "	2548	. "I'll try to bring you back to the map you were before. "
1658	. "Please report this to the dungeon master",	2549	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	2550	cf::NDI_UNIQUE | cf::NDI_RED);
1660		2551
1661	warn "ERROR in enter_exit: $@";	2552	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	2553	$self->leave_link;
1663	}	2554	}
1664	})->prio (1);	2555	})->prio (1);
…		…
1677		2568
1678	sub cf::client::send_drawinfo {	2569	sub cf::client::send_drawinfo {
1679	my ($self, $text, $flags) = @_;	2570	my ($self, $text, $flags) = @_;
1680		2571
1681	utf8::encode $text;	2572	utf8::encode $text;
1682	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2573	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1683	}	2574	}
1684		2575
		2576	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2577
		2578	Send a drawinfo or msg packet to the client, formatting the msg for the
		2579	client if neccessary. C<$type> should be a string identifying the type of
		2580	the message, with C<log> being the default. If C<$color> is negative, suppress
		2581	the message unless the client supports the msg packet.
		2582
		2583	=cut
		2584
		2585	our %CHANNEL = (
		2586	"c/identify" => {
		2587	id => "identify",
		2588	title => "Identify",
		2589	reply => undef,
		2590	tooltip => "Items recently identified",
		2591	},
		2592	"c/examine" => {
		2593	id => "examine",
		2594	title => "Examine",
		2595	reply => undef,
		2596	tooltip => "Signs and other items you examined",
		2597	},
		2598	);
		2599
		2600	sub cf::client::send_msg {
		2601	my ($self, $channel, $msg, $color, @extra) = @_;
		2602
		2603	$msg = $self->pl->expand_cfpod ($msg);
		2604
		2605	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2606
		2607	# check predefined channels, for the benefit of C
		2608	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2609
		2610	if (ref $channel) {
		2611	# send meta info to client, if not yet sent
		2612	unless (exists $self->{channel}{$channel->{id}}) {
		2613	$self->{channel}{$channel->{id}} = $channel;
		2614	$self->ext_msg (channel_info => $channel)
		2615	if $self->can_msg;
		2616	}
		2617
		2618	$channel = $channel->{id};
		2619	}
		2620
		2621	return unless @extra || length $msg;
		2622
		2623	if ($self->can_msg) {
		2624	# default colour, mask it out
		2625	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2626	if $color & cf::NDI_DEF;
		2627
		2628	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2629	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2630	} else {
		2631	if ($color >= 0) {
		2632	# replace some tags by gcfclient-compatible ones
		2633	for ($msg) {
		2634	1 while
		2635	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2636	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2637	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2638	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2639	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2640	}
		2641
		2642	$color &= cf::NDI_COLOR_MASK;
		2643
		2644	utf8::encode $msg;
		2645
		2646	if (0 && $msg =~ /\[/) {
		2647	# COMMAND/INFO
		2648	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2649	} else {
		2650	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2651	$self->send_packet ("drawinfo $color $msg")
		2652	}
		2653	}
		2654	}
		2655	}
		2656
		2657	=item $client->ext_msg ($type, @msg)
		2658
		2659	Sends an ext event to the client.
		2660
		2661	=cut
		2662
		2663	sub cf::client::ext_msg($$@) {
		2664	my ($self, $type, @msg) = @_;
		2665
		2666	if ($self->extcmd == 2) {
		2667	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2668	} elsif ($self->extcmd == 1) { # TODO: remove
		2669	push @msg, msgtype => "event_$type";
		2670	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2671	}
		2672	}
		2673
		2674	=item $client->ext_reply ($msgid, @msg)
		2675
		2676	Sends an ext reply to the client.
		2677
		2678	=cut
		2679
		2680	sub cf::client::ext_reply($$@) {
		2681	my ($self, $id, @msg) = @_;
		2682
		2683	if ($self->extcmd == 2) {
		2684	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2685	} elsif ($self->extcmd == 1) {
		2686	#TODO: version 1, remove
		2687	unshift @msg, msgtype => "reply", msgid => $id;
		2688	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2689	}
		2690	}
1685		2691
1686	=item $success = $client->query ($flags, "text", \&cb)	2692	=item $success = $client->query ($flags, "text", \&cb)
1687		2693
1688	Queues a query to the client, calling the given callback with	2694	Queues a query to the client, calling the given callback with
1689	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2695	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1690	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2696	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1691		2697
1692	Queries can fail, so check the return code. Or don't, as queries will become	2698	Queries can fail, so check the return code. Or don't, as queries will
1693	reliable at some point in the future.	2699	become reliable at some point in the future.
1694		2700
1695	=cut	2701	=cut
1696		2702
1697	sub cf::client::query {	2703	sub cf::client::query {
1698	my ($self, $flags, $text, $cb) = @_;	2704	my ($self, $flags, $text, $cb) = @_;
…		…
1706	utf8::encode $text;	2712	utf8::encode $text;
1707	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2713	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1708		2714
1709	$self->send_packet ($self->{query_queue}[0][0])	2715	$self->send_packet ($self->{query_queue}[0][0])
1710	if @{ $self->{query_queue} } == 1;	2716	if @{ $self->{query_queue} } == 1;
		2717
		2718	1
1711	}	2719	}
1712		2720
1713	cf::client->attach (	2721	cf::client->attach (
		2722	on_connect => sub {
		2723	my ($ns) = @_;
		2724
		2725	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2726	},
1714	on_reply => sub {	2727	on_reply => sub {
1715	my ($ns, $msg) = @_;	2728	my ($ns, $msg) = @_;
1716		2729
1717	# this weird shuffling is so that direct followup queries	2730	# this weird shuffling is so that direct followup queries
1718	# get handled first	2731	# get handled first
1719	my $queue = delete $ns->{query_queue}	2732	my $queue = delete $ns->{query_queue}
1720	or return; # be conservative, not sure how that can happen, but we saw a crash here	2733	or return; # be conservative, not sure how that can happen, but we saw a crash here
1721		2734
1722	(shift @$queue)->[1]->($msg);	2735	(shift @$queue)->[1]->($msg);
		2736	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1723		2737
1724	push @{ $ns->{query_queue} }, @$queue;	2738	push @{ $ns->{query_queue} }, @$queue;
1725		2739
1726	if (@{ $ns->{query_queue} } == @$queue) {	2740	if (@{ $ns->{query_queue} } == @$queue) {
1727	if (@$queue) {	2741	if (@$queue) {
…		…
1729	} else {	2743	} else {
1730	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2744	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1731	}	2745	}
1732	}	2746	}
1733	},	2747	},
		2748	on_exticmd => sub {
		2749	my ($ns, $buf) = @_;
		2750
		2751	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2752
		2753	if (ref $msg) {
		2754	my ($type, $reply, @payload) =
		2755	"ARRAY" eq ref $msg
		2756	? @$msg
		2757	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2758
		2759	my @reply;
		2760
		2761	if (my $cb = $EXTICMD{$type}) {
		2762	@reply = $cb->($ns, @payload);
		2763	}
		2764
		2765	$ns->ext_reply ($reply, @reply)
		2766	if $reply;
		2767
		2768	} else {
		2769	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2770	}
		2771
		2772	cf::override;
		2773	},
1734	);	2774	);
1735		2775
1736	=item $client->coro (\&cb)	2776	=item $client->async (\&cb)
1737		2777
1738	Create a new coroutine, running the specified callback. The coroutine will	2778	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	2779	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	2780	or loss of connection).
1741		2781
1742	=cut	2782	=cut
1743		2783
1744	sub cf::client::coro {	2784	sub cf::client::async {
1745	my ($self, $cb) = @_;	2785	my ($self, $cb) = @_;
1746		2786
1747	my $coro = &cf::async ($cb);	2787	my $coro = &Coro::async ($cb);
1748		2788
1749	$coro->on_destroy (sub {	2789	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	2790	delete $self->{_coro}{$coro+0};
1751	});	2791	});
1752		2792
…		…
1779	our $safe = new Safe "safe";	2819	our $safe = new Safe "safe";
1780	our $safe_hole = new Safe::Hole;	2820	our $safe_hole = new Safe::Hole;
1781		2821
1782	$SIG{FPE} = 'IGNORE';	2822	$SIG{FPE} = 'IGNORE';
1783		2823
1784	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2824	$safe->permit_only (Opcode::opset qw(
		2825	:base_core :base_mem :base_orig :base_math
		2826	grepstart grepwhile mapstart mapwhile
		2827	sort time
		2828	));
1785		2829
1786	# here we export the classes and methods available to script code	2830	# here we export the classes and methods available to script code
1787		2831
1788	=pod	2832	=pod
1789		2833
1790	The following fucntions and emthods are available within a safe environment:	2834	The following functions and methods are available within a safe environment:
1791		2835
1792	cf::object contr pay_amount pay_player map	2836	cf::object
		2837	contr pay_amount pay_player map x y force_find force_add
		2838	insert remove name archname title slaying race decrease_ob_nr
		2839
1793	cf::object::player player	2840	cf::object::player
1794	cf::player peaceful	2841	player
1795	cf::map trigger	2842
		2843	cf::player
		2844	peaceful
		2845
		2846	cf::map
		2847	trigger
1796		2848
1797	=cut	2849	=cut
1798		2850
1799	for (	2851	for (
1800	["cf::object" => qw(contr pay_amount pay_player map)],	2852	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2853	insert remove inv name archname title slaying race
		2854	decrease_ob_nr)],
1801	["cf::object::player" => qw(player)],	2855	["cf::object::player" => qw(player)],
1802	["cf::player" => qw(peaceful)],	2856	["cf::player" => qw(peaceful)],
1803	["cf::map" => qw(trigger)],	2857	["cf::map" => qw(trigger)],
1804	) {	2858	) {
1805	no strict 'refs';	2859	no strict 'refs';
…		…
1876	=back	2930	=back
1877		2931
1878	=cut	2932	=cut
1879		2933
1880	#############################################################################	2934	#############################################################################
		2935	# the server's init and main functions
1881		2936
1882	=head2 EXTENSION DATABASE SUPPORT	2937	sub load_facedata($) {
		2938	my ($path) = @_;
1883		2939
1884	Crossfire maintains a very simple database for extension use. It can	2940	# HACK to clear player env face cache, we need some signal framework
1885	currently store anything that can be serialised using Storable, which	2941	# for this (global event?)
1886	excludes objects.	2942	%ext::player_env::MUSIC_FACE_CACHE = ();
1887		2943
1888	The parameter C<$family> should best start with the name of the extension	2944	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1889	using it, it should be unique.
1890		2945
1891	=over 4	2946	warn "loading facedata from $path\n";
1892		2947
1893	=item $hashref = cf::db_get $family	2948	my $facedata;
		2949	0 < aio_load $path, $facedata
		2950	or die "$path: $!";
1894		2951
1895	Return a hashref for use by the extension C<$family>, which can be	2952	$facedata = Coro::Storable::thaw $facedata;
1896	modified. After modifications, you have to call C<cf::db_dirty> or
1897	C<cf::db_sync>.
1898		2953
1899	=item $value = cf::db_get $family => $key	2954	$facedata->{version} == 2
		2955	or cf::cleanup "$path: version mismatch, cannot proceed.";
1900		2956
1901	Returns a single value from the database	2957	# patch in the exptable
1902		2958	$facedata->{resource}{"res/exp_table"} = {
1903	=item cf::db_put $family => $hashref	2959	type => FT_RSRC,
1904		2960	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1905	Stores the given family hashref into the database. Updates are delayed, if
1906	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1907
1908	=item cf::db_put $family => $key => $value
1909
1910	Stores the given C<$value> in the family hash. Updates are delayed, if you
1911	want the data to be synced to disk immediately, use C<cf::db_sync>.
1912
1913	=item cf::db_dirty
1914
1915	Marks the database as dirty, to be updated at a later time.
1916
1917	=item cf::db_sync
1918
1919	Immediately write the database to disk I<if it is dirty>.
1920
1921	=cut
1922
1923	our $DB;
1924
1925	{
1926	my $path = cf::localdir . "/database.pst";
1927
1928	sub db_load() {
1929	$DB = stat $path ? Storable::retrieve $path : { };
1930	}
1931
1932	my $pid;
1933
1934	sub db_save() {
1935	waitpid $pid, 0 if $pid;
1936	if (0 == ($pid = fork)) {
1937	$DB->{_meta}{version} = 1;
1938	Storable::nstore $DB, "$path~";
1939	rename "$path~", $path;
1940	cf::_exit 0 if defined $pid;
1941	}
1942	}
1943
1944	my $dirty;
1945
1946	sub db_sync() {
1947	db_save if $dirty;
1948	undef $dirty;
1949	}
1950
1951	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1952	db_sync;
1953	});	2961	};
		2962	cf::cede_to_tick;
1954		2963
1955	sub db_dirty() {
1956	$dirty = 1;
1957	$idle->start;
1958	}	2964	{
		2965	my $faces = $facedata->{faceinfo};
1959		2966
1960	sub db_get($;$) {	2967	while (my ($face, $info) = each %$faces) {
1961	@_ >= 2	2968	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1962	? $DB->{$_[0]}{$_[1]}	2969	cf::face::set_visibility $idx, $info->{visibility};
1963	: ($DB->{$_[0]} ||= { })	2970	cf::face::set_magicmap $idx, $info->{magicmap};
1964	}	2971	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2972	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1965		2973
1966	sub db_put($$;$) {	2974	cf::cede_to_tick;
1967	if (@_ >= 3) {
1968	$DB->{$_[0]}{$_[1]} = $_[2];
1969	} else {
1970	$DB->{$_[0]} = $_[1];
1971	}
1972	db_dirty;
1973	}
1974
1975	cf::global->attach (
1976	prio => 10000,
1977	on_cleanup => sub {
1978	db_sync;
1979	},	2975	}
1980	);
1981	}
1982		2976
1983	#############################################################################	2977	while (my ($face, $info) = each %$faces) {
1984	# the server's main()	2978	next unless $info->{smooth};
		2979	my $idx = cf::face::find $face
		2980	or next;
		2981	if (my $smooth = cf::face::find $info->{smooth}) {
		2982	cf::face::set_smooth $idx, $smooth;
		2983	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2984	} else {
		2985	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2986	}
1985		2987
1986	sub cfg_load {	2988	cf::cede_to_tick;
		2989	}
		2990	}
		2991
		2992	{
		2993	my $anims = $facedata->{animinfo};
		2994
		2995	while (my ($anim, $info) = each %$anims) {
		2996	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2997	cf::cede_to_tick;
		2998	}
		2999
		3000	cf::anim::invalidate_all; # d'oh
		3001	}
		3002
		3003	{
		3004	# TODO: for gcfclient pleasure, we should give resources
		3005	# that gcfclient doesn't grok a >10000 face index.
		3006	my $res = $facedata->{resource};
		3007
		3008	my $soundconf = delete $res->{"res/sound.conf"};
		3009
		3010	while (my ($name, $info) = each %$res) {
		3011	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3012	my $data;
		3013
		3014	if ($info->{type} & 1) {
		3015	# prepend meta info
		3016
		3017	my $meta = $enc->encode ({
		3018	name => $name,
		3019	%{ $info->{meta} || {} },
		3020	});
		3021
		3022	$data = pack "(w/a*)*", $meta, $info->{data};
		3023	} else {
		3024	$data = $info->{data};
		3025	}
		3026
		3027	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3028	cf::face::set_type $idx, $info->{type};
		3029
		3030	cf::cede_to_tick;
		3031	}
		3032
		3033	if ($soundconf) {
		3034	$soundconf = $enc->decode (delete $soundconf->{data});
		3035
		3036	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3037	my $sound = $soundconf->{compat}[$_]
		3038	or next;
		3039
		3040	my $face = cf::face::find "sound/$sound->[1]";
		3041	cf::sound::set $sound->[0] => $face;
		3042	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3043	}
		3044
		3045	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3046	my $face = cf::face::find "sound/$v";
		3047	cf::sound::set $k => $face;
		3048	}
		3049	}
		3050	}
		3051
		3052	1
		3053	}
		3054
		3055	register_exticmd fx_want => sub {
		3056	my ($ns, $want) = @_;
		3057
		3058	while (my ($k, $v) = each %$want) {
		3059	$ns->fx_want ($k, $v);
		3060	}
		3061	};
		3062
		3063	sub reload_regions {
		3064	# HACK to clear player env face cache, we need some signal framework
		3065	# for this (global event?)
		3066	%ext::player_env::MUSIC_FACE_CACHE = ();
		3067
		3068	load_resource_file "$MAPDIR/regions"
		3069	or die "unable to load regions file\n";
		3070
		3071	for (cf::region::list) {
		3072	$_->{match} = qr/$_->{match}/
		3073	if exists $_->{match};
		3074	}
		3075	}
		3076
		3077	sub reload_facedata {
		3078	load_facedata "$DATADIR/facedata"
		3079	or die "unable to load facedata\n";
		3080	}
		3081
		3082	sub reload_archetypes {
		3083	load_resource_file "$DATADIR/archetypes"
		3084	or die "unable to load archetypes\n";
		3085	#d# NEED to laod twice to resolve forward references
		3086	# this really needs to be done in an extra post-pass
		3087	# (which needs to be synchronous, so solve it differently)
		3088	load_resource_file "$DATADIR/archetypes"
		3089	or die "unable to load archetypes\n";
		3090	}
		3091
		3092	sub reload_treasures {
		3093	load_resource_file "$DATADIR/treasures"
		3094	or die "unable to load treasurelists\n";
		3095	}
		3096
		3097	sub reload_resources {
		3098	warn "reloading resource files...\n";
		3099
		3100	reload_regions;
		3101	reload_facedata;
		3102	#reload_archetypes;#d#
		3103	reload_archetypes;
		3104	reload_treasures;
		3105
		3106	warn "finished reloading resource files\n";
		3107	}
		3108
		3109	sub init {
		3110	reload_resources;
		3111	}
		3112
		3113	sub reload_config {
1987	open my $fh, "<:utf8", cf::confdir . "/config"	3114	open my $fh, "<:utf8", "$CONFDIR/config"
1988	or return;	3115	or return;
1989		3116
1990	local $/;	3117	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	3118	*CFG = YAML::Syck::Load <$fh>;
1992		3119
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3120	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994		3121
		3122	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3123	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3124
1995	if (exists $CFG{mlockall}) {	3125	if (exists $CFG{mlockall}) {
1996	eval {	3126	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	3127	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	3128	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	3129	};
2000	warn $@ if $@;	3130	warn $@ if $@;
2001	}	3131	}
2002	}	3132	}
2003		3133
2004	sub main {	3134	sub main {
2005	# we must not ever block the main coroutine	3135	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	3136	local $Coro::idle = sub {
2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3137	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008	(Coro::unblock_sub {	3138	(async {
2009	Event::one_event;	3139	Event::one_event;
2010	})->();	3140	})->prio (Coro::PRIO_MAX);
2011	};	3141	};
2012		3142
2013	cfg_load;	3143	reload_config;
2014	db_load;	3144	db_init;
2015	load_extensions;	3145	load_extensions;
		3146
		3147	$TICK_WATCHER->start;
2016	Event::loop;	3148	Event::loop;
2017	}	3149	}
2018		3150
2019	#############################################################################	3151	#############################################################################
2020	# initialisation	3152	# initialisation and cleanup
2021		3153
		3154	# install some emergency cleanup handlers
		3155	BEGIN {
		3156	for my $signal (qw(INT HUP TERM)) {
		3157	Event->signal (
		3158	reentrant => 0,
		3159	data => WF_AUTOCANCEL,
		3160	signal => $signal,
		3161	prio => 0,
		3162	cb => sub {
		3163	cf::cleanup "SIG$signal";
		3164	},
		3165	);
		3166	}
		3167	}
		3168
		3169	sub write_runtime {
		3170	my $runtime = "$LOCALDIR/runtime";
		3171
		3172	# first touch the runtime file to show we are still running:
		3173	# the fsync below can take a very very long time.
		3174
		3175	IO::AIO::aio_utime $runtime, undef, undef;
		3176
		3177	my $guard = cf::lock_acquire "write_runtime";
		3178
		3179	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3180	or return;
		3181
		3182	my $value = $cf::RUNTIME + 90 + 10;
		3183	# 10 is the runtime save interval, for a monotonic clock
		3184	# 60 allows for the watchdog to kill the server.
		3185
		3186	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3187	and return;
		3188
		3189	# always fsync - this file is important
		3190	aio_fsync $fh
		3191	and return;
		3192
		3193	# touch it again to show we are up-to-date
		3194	aio_utime $fh, undef, undef;
		3195
		3196	close $fh
		3197	or return;
		3198
		3199	aio_rename "$runtime~", $runtime
		3200	and return;
		3201
		3202	warn "runtime file written.\n";
		3203
		3204	1
		3205	}
		3206
		3207	sub emergency_save() {
		3208	my $freeze_guard = cf::freeze_mainloop;
		3209
		3210	warn "enter emergency perl save\n";
		3211
		3212	cf::sync_job {
		3213	# use a peculiar iteration method to avoid tripping on perl
		3214	# refcount bugs in for. also avoids problems with players
		3215	# and maps saved/destroyed asynchronously.
		3216	warn "begin emergency player save\n";
		3217	for my $login (keys %cf::PLAYER) {
		3218	my $pl = $cf::PLAYER{$login} or next;
		3219	$pl->valid or next;
		3220	$pl->save;
		3221	}
		3222	warn "end emergency player save\n";
		3223
		3224	warn "begin emergency map save\n";
		3225	for my $path (keys %cf::MAP) {
		3226	my $map = $cf::MAP{$path} or next;
		3227	$map->valid or next;
		3228	$map->save;
		3229	}
		3230	warn "end emergency map save\n";
		3231
		3232	warn "begin emergency database checkpoint\n";
		3233	BDB::db_env_txn_checkpoint $DB_ENV;
		3234	warn "end emergency database checkpoint\n";
		3235	};
		3236
		3237	warn "leave emergency perl save\n";
		3238	}
		3239
		3240	sub post_cleanup {
		3241	my ($make_core) = @_;
		3242
		3243	warn Carp::longmess "post_cleanup backtrace"
		3244	if $make_core;
		3245	}
		3246
2022	sub reload() {	3247	sub do_reload_perl() {
2023	# can/must only be called in main	3248	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	3249	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	3250	warn "can only reload from main coroutine";
2026	return;	3251	return;
2027	}	3252	}
2028		3253
2029	warn "reloading...";	3254	warn "reloading...";
2030		3255
2031	my $guard = freeze_mainloop;	3256	warn "entering sync_job";
		3257
		3258	cf::sync_job {
		3259	cf::write_runtime; # external watchdog should not bark
2032	cf::emergency_save;	3260	cf::emergency_save;
		3261	cf::write_runtime; # external watchdog should not bark
2033		3262
2034	eval {	3263	warn "syncing database to disk";
		3264	BDB::db_env_txn_checkpoint $DB_ENV;
		3265
2035	# if anything goes wrong in here, we should simply crash as we already saved	3266	# if anything goes wrong in here, we should simply crash as we already saved
2036		3267
2037	# cancel all watchers	3268	warn "cancelling all WF_AUTOCANCEL watchers";
2038	for (Event::all_watchers) {	3269	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	3270	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}	3271	}
2041		3272
		3273	warn "flushing outstanding aio requests";
		3274	for (;;) {
		3275	BDB::flush;
		3276	IO::AIO::flush;
		3277	Coro::cede;
		3278	last unless IO::AIO::nreqs || BDB::nreqs;
		3279	warn "iterate...";
		3280	}
		3281
		3282	++$RELOAD;
		3283
2042	# cancel all extension coros	3284	warn "cancelling all extension coros";
2043	$_->cancel for values %EXT_CORO;	3285	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	3286	%EXT_CORO = ();
2045		3287
2046	# unload all extensions	3288	warn "removing commands";
2047	for (@exts) {	3289	%COMMAND = ();
		3290
		3291	warn "removing ext/exti commands";
		3292	%EXTCMD = ();
		3293	%EXTICMD = ();
		3294
		3295	warn "unloading/nuking all extensions";
		3296	for my $pkg (@EXTS) {
2048	warn "unloading <$_>";	3297	warn "... unloading $pkg";
2049	unload_extension $_;	3298
		3299	if (my $cb = $pkg->can ("unload")) {
		3300	eval {
		3301	$cb->($pkg);
		3302	1
		3303	} or warn "$pkg unloaded, but with errors: $@";
2050	}	3304	}
2051		3305
		3306	warn "... nuking $pkg";
		3307	Symbol::delete_package $pkg;
		3308	}
		3309
2052	# unload all modules loaded from $LIBDIR	3310	warn "unloading all perl modules loaded from $LIBDIR";
2053	while (my ($k, $v) = each %INC) {	3311	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3312	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055		3313
2056	warn "removing <$k>";	3314	warn "... unloading $k";
2057	delete $INC{$k};	3315	delete $INC{$k};
2058		3316
2059	$k =~ s/\.pm$//;	3317	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;	3318	$k =~ s/\//::/g;
2061		3319
…		…
2064	}	3322	}
2065		3323
2066	Symbol::delete_package $k;	3324	Symbol::delete_package $k;
2067	}	3325	}
2068		3326
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	3327	warn "getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	3328	Symbol::delete_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3329	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		3330
2077	# remove register_script_function callbacks
2078	# TODO
2079
2080	# unload cf.pm "a bit"	3331	warn "unloading cf.pm \"a bit\"";
2081	delete $INC{"cf.pm"};	3332	delete $INC{"cf.pm"};
		3333	delete $INC{"cf/pod.pm"};
2082		3334
2083	# don't, removes xs symbols, too,	3335	# don't, removes xs symbols, too,
2084	# and global variables created in xs	3336	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	3337	#Symbol::delete_package __PACKAGE__;
2086		3338
2087	# reload cf.pm	3339	warn "unload completed, starting to reload now";
		3340
2088	warn "reloading cf.pm";	3341	warn "reloading cf.pm";
2089	require cf;	3342	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3343	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091		3344
2092	# load config and database again	3345	warn "loading config and database again";
2093	cf::cfg_load;	3346	cf::reload_config;
2094	cf::db_load;
2095		3347
2096	# load extensions
2097	warn "load extensions";	3348	warn "loading extensions";
2098	cf::load_extensions;	3349	cf::load_extensions;
2099		3350
2100	# reattach attachments to objects	3351	warn "reattaching attachments to objects/players";
2101	warn "reattach";	3352	_global_reattach; # objects, sockets
2102	_global_reattach;	3353	warn "reattaching attachments to maps";
2103	};	3354	reattach $_ for values %MAP;
		3355	warn "reattaching attachments to players";
		3356	reattach $_ for values %PLAYER;
2104		3357
2105	if ($@) {	3358	warn "leaving sync_job";
		3359
		3360	1
		3361	} or do {
2106	warn $@;	3362	warn $@;
2107	warn "error while reloading, exiting.";	3363	warn "error while reloading, exiting.";
2108	exit 1;	3364	exit 1;
2109	}	3365	};
2110		3366
2111	warn "reloaded successfully";	3367	warn "reloaded";
2112	};	3368	};
2113		3369
2114	#############################################################################	3370	our $RELOAD_WATCHER; # used only during reload
2115		3371
2116	unless ($LINK_MAP) {	3372	sub reload_perl() {
2117	$LINK_MAP = cf::map::new;	3373	# doing reload synchronously and two reloads happen back-to-back,
		3374	# coro crashes during coro_state_free->destroy here.
2118		3375
2119	$LINK_MAP->width (41);	3376	$RELOAD_WATCHER ||= Event->timer (
2120	$LINK_MAP->height (41);	3377	reentrant => 0,
2121	$LINK_MAP->alloc;
2122	$LINK_MAP->path ("{link}");
2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2125
2126	# dirty hack because... archetypes are not yet loaded
2127	Event->timer (
2128	after => 2,	3378	after => 0,
		3379	data => WF_AUTOCANCEL,
2129	cb => sub {	3380	cb => sub {
2130	$_[0]->w->cancel;	3381	do_reload_perl;
2131		3382	undef $RELOAD_WATCHER;
2132	# provide some exits "home"
2133	my $exit = cf::object::new "exit";
2134
2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2138
2139	$LINK_MAP->insert ($exit->clone, 19, 19);
2140	$LINK_MAP->insert ($exit->clone, 19, 20);
2141	$LINK_MAP->insert ($exit->clone, 19, 21);
2142	$LINK_MAP->insert ($exit->clone, 20, 19);
2143	$LINK_MAP->insert ($exit->clone, 20, 21);
2144	$LINK_MAP->insert ($exit->clone, 21, 19);
2145	$LINK_MAP->insert ($exit->clone, 21, 20);
2146	$LINK_MAP->insert ($exit->clone, 21, 21);
2147
2148	$exit->destroy;
2149	});	3383	},
2150		3384	);
2151	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;
2153
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}	3385	}
2156
2157	register "<global>", __PACKAGE__;
2158		3386
2159	register_command "reload" => sub {	3387	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	3388	my ($who, $arg) = @_;
2161		3389
2162	if ($who->flag (FLAG_WIZ)) {	3390	if ($who->flag (FLAG_WIZ)) {
2163	$who->message ("start of reload.");
2164	reload;
2165	$who->message ("end of reload.");	3391	$who->message ("reloading server.");
		3392	async { reload_perl };
2166	}	3393	}
2167	};	3394	};
2168		3395
2169	unshift @INC, $LIBDIR;	3396	unshift @INC, $LIBDIR;
2170		3397
		3398	my $bug_warning = 0;
		3399
		3400	our @WAIT_FOR_TICK;
		3401	our @WAIT_FOR_TICK_BEGIN;
		3402
		3403	sub wait_for_tick {
		3404	return unless $TICK_WATCHER->is_active;
		3405	return if $Coro::current == $Coro::main;
		3406
		3407	my $signal = new Coro::Signal;
		3408	push @WAIT_FOR_TICK, $signal;
		3409	$signal->wait;
		3410	}
		3411
		3412	sub wait_for_tick_begin {
		3413	return unless $TICK_WATCHER->is_active;
		3414	return if $Coro::current == $Coro::main;
		3415
		3416	my $signal = new Coro::Signal;
		3417	push @WAIT_FOR_TICK_BEGIN, $signal;
		3418	$signal->wait;
		3419	}
		3420
		3421	my $min = 1e6;#d#
		3422	my $avg = 10;
2171	$TICK_WATCHER = Event->timer (	3423	$TICK_WATCHER = Event->timer (
2172	reentrant => 0,	3424	reentrant => 0,
		3425	parked => 1,
2173	prio => 0,	3426	prio => 0,
2174	at => $NEXT_TICK || $TICK,	3427	at => $NEXT_TICK || $TICK,
2175	data => WF_AUTOCANCEL,	3428	data => WF_AUTOCANCEL,
2176	cb => sub {	3429	cb => sub {
		3430	if ($Coro::current != $Coro::main) {
		3431	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3432	unless ++$bug_warning > 10;
		3433	return;
		3434	}
		3435
		3436	$NOW = $tick_start = Event::time;
		3437
2177	cf::server_tick; # one server iteration	3438	cf::server_tick; # one server iteration
		3439
		3440	0 && sync_job {#d#
		3441	for(1..10) {
		3442	my $t = Event::time;
		3443	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3444	or die;
		3445
		3446	$map->width (50);
		3447	$map->height (50);
		3448	$map->alloc;
		3449	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3450	my $t = Event::time - $t;
		3451
		3452	#next unless $t < 0.0013;#d#
		3453	if ($t < $min) {
		3454	$min = $t;
		3455	}
		3456	$avg = $avg * 0.99 + $t * 0.01;
		3457	}
		3458	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3459	exit 0;
		3460	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3461	};
		3462
2178	$RUNTIME += $TICK;	3463	$RUNTIME += $TICK;
2179	$NEXT_TICK += $TICK;	3464	$NEXT_TICK += $TICK;
2180		3465
		3466	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3467	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3468	Coro::async_pool {
		3469	write_runtime
		3470	or warn "ERROR: unable to write runtime file: $!";
		3471	};
		3472	}
		3473
		3474	# my $AFTER = Event::time;
		3475	# warn $AFTER - $NOW;#d#
		3476
		3477	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3478	$sig->send;
		3479	}
		3480	while (my $sig = shift @WAIT_FOR_TICK) {
		3481	$sig->send;
		3482	}
		3483
		3484	$NOW = Event::time;
		3485
2181	# if we are delayed by four ticks or more, skip them all	3486	# if we are delayed by four ticks or more, skip them all
2182	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3487	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2183		3488
2184	$TICK_WATCHER->at ($NEXT_TICK);	3489	$TICK_WATCHER->at ($NEXT_TICK);
2185	$TICK_WATCHER->start;	3490	$TICK_WATCHER->start;
		3491
		3492	$LOAD = ($NOW - $tick_start) / $TICK;
		3493	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3494
		3495	_post_tick;
		3496
		3497
2186	},	3498	},
2187	);	3499	);
2188		3500
		3501	{
2189	IO::AIO::max_poll_time $TICK * 0.2;	3502	BDB::max_poll_time $TICK * 0.1;
2190		3503	$BDB_POLL_WATCHER = Event->io (
2191	Event->io (	3504	reentrant => 0,
2192	fd => IO::AIO::poll_fileno,	3505	fd => BDB::poll_fileno,
2193	poll => 'r',	3506	poll => 'r',
2194	prio => 5,	3507	prio => 0,
2195	data => WF_AUTOCANCEL,
2196	cb => \&IO::AIO::poll_cb,
2197	);
2198
2199	Event->timer (
2200	data => WF_AUTOCANCEL,	3508	data => WF_AUTOCANCEL,
2201	after => 0,	3509	cb => \&BDB::poll_cb,
2202	interval => 10,	3510	);
2203	cb => sub {	3511	BDB::min_parallel 8;
2204	(Coro::unblock_sub {	3512
2205	write_runtime	3513	BDB::set_sync_prepare {
2206	or warn "ERROR: unable to write runtime file: $!";	3514	my $status;
		3515	my $current = $Coro::current;
		3516	(
		3517	sub {
		3518	$status = $!;
		3519	$current->ready; undef $current;
		3520	},
		3521	sub {
		3522	Coro::schedule while defined $current;
		3523	$! = $status;
		3524	},
		3525	)
		3526	};
		3527
		3528	unless ($DB_ENV) {
		3529	$DB_ENV = BDB::db_env_create;
		3530
		3531	cf::sync_job {
		3532	eval {
		3533	BDB::db_env_open
		3534	$DB_ENV,
		3535	$BDBDIR,
		3536	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3537	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3538	0666;
		3539
		3540	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3541
		3542	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3543	$DB_ENV->set_lk_detect;
		3544	};
		3545
		3546	cf::cleanup "db_env_open(db): $@" if $@;
2207	})->();	3547	};
2208	},	3548	}
2209	);	3549	}
		3550
		3551	{
		3552	IO::AIO::min_parallel 8;
		3553
		3554	undef $Coro::AIO::WATCHER;
		3555	IO::AIO::max_poll_time $TICK * 0.1;
		3556	$AIO_POLL_WATCHER = Event->io (
		3557	reentrant => 0,
		3558	data => WF_AUTOCANCEL,
		3559	fd => IO::AIO::poll_fileno,
		3560	poll => 'r',
		3561	prio => 6,
		3562	cb => \&IO::AIO::poll_cb,
		3563	);
		3564	}
		3565
		3566	my $_log_backtrace;
		3567
		3568	sub _log_backtrace {
		3569	my ($msg, @addr) = @_;
		3570
		3571	$msg =~ s/\n//;
		3572
		3573	# limit the # of concurrent backtraces
		3574	if ($_log_backtrace < 2) {
		3575	++$_log_backtrace;
		3576	async {
		3577	my @bt = fork_call {
		3578	@addr = map { sprintf "%x", $_ } @addr;
		3579	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3580	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3581	or die "addr2line: $!";
		3582
		3583	my @funcs;
		3584	my @res = <$fh>;
		3585	chomp for @res;
		3586	while (@res) {
		3587	my ($func, $line) = splice @res, 0, 2, ();
		3588	push @funcs, "[$func] $line";
		3589	}
		3590
		3591	@funcs
		3592	};
		3593
		3594	LOG llevInfo, "[ABT] $msg\n";
		3595	LOG llevInfo, "[ABT] $_\n" for @bt;
		3596	--$_log_backtrace;
		3597	};
		3598	} else {
		3599	LOG llevInfo, "[ABT] $msg\n";
		3600	LOG llevInfo, "[ABT] [suppressed]\n";
		3601	}
		3602	}
		3603
		3604	# load additional modules
		3605	use cf::pod;
2210		3606
2211	END { cf::emergency_save }	3607	END { cf::emergency_save }
2212		3608
2213	1	3609	1
2214		3610

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