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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.408 by root, Mon Jan 14 10:12:12 2008 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 Storable;	8	use Socket;
		9	use EV 1.86;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.3 ();	15	use Coro 4.32 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::EV;
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::BDB;
		24	use Coro::Storable;
		25	use Coro::Util ();
19		26
		27	use JSON::XS 2.01 ();
		28	use BDB ();
20	use Data::Dumper;	29	use Data::Dumper;
21	use Digest::MD5;	30	use Digest::MD5;
22	use Fcntl;	31	use Fcntl;
		32	use YAML ();
23	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
24	use YAML::Syck ();
25	use Time::HiRes;	34	use Time::HiRes;
		35	use Compress::LZF;
		36	use Digest::MD5 ();
26		37
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	# configure various modules to our taste
		39	#
		40	$Storable::canonical = 1; # reduce rsync transfers
		41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		43
		44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		45
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		47
36	our %COMMAND = ();	48	our %COMMAND = ();
37	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
		50
		51	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
39		56
		57	our $RELOAD; # number of reloads so far
40	our @EVENT;	58	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		59
43	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71	our %RESOURCE;
		72
		73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44	our $TICK_WATCHER;	74	our $TICK_WATCHER;
		75	our $AIO_POLL_WATCHER;
		76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	77	our $NEXT_TICK;
46	our $NOW;	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
		84	our $DB_ENV;
47		85
48	our %CFG;	86	our %CFG;
49		87
50	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
52		91
53	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		95
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	96	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	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 $tick_start; # for load detecting purposes
61		102
62	binmode STDOUT;	103	binmode STDOUT;
63	binmode STDERR;	104	binmode STDERR;
64		105
65	# read virtual server time, if available	106	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
68	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
69	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
70	}	111	}
71		112
72	mkdir cf::localdir;	113	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		115
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
81		119
82	#############################################################################	120	#############################################################################
83		121
84	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
85		123
…		…
92	=item $cf::RUNTIME	130	=item $cf::RUNTIME
93		131
94	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
95	every server tick.	133	every server tick.
96		134
97	=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
98		138
99	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
100	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.
101		143
102	=item $cf::NOW	144	=item $cf::NOW
103		145
104	The time of the last (current) server tick.	146	The time of the last (current) server tick.
105		147
106	=item $cf::TICK	148	=item $cf::TICK
107		149
108	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
109		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.
		161
110	=item %cf::CFG	162	=item %cf::CFG
111		163
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113	from wherever your confdir points to.	165	from wherever your confdir points to.
114		166
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		168
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.	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.
121		178
122	=back	179	=back
123		180
124	=cut	181	=cut
125		182
126	BEGIN {	183	BEGIN {
127	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	185	my $msg = join "", @_;
129	utf8::encode $msg;
130		186
131	$msg .= "\n"	187	$msg .= "\n"
132	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
133		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
134	LOG llevError, $msg;	192	LOG llevError, $msg;
135	};	193	};
136	}	194	}
		195
		196	$Coro::State::DIEHOOK = sub {
		197	warn Carp::longmess $_[0];
		198	Coro::terminate;
		199	};
137		200
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	201	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	202	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	203	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	204	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	205	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		206	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	207	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		208
145	# we bless all objects into (empty) derived classes to force a method lookup	209	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	210	# within the Safe compartment.
147	for my $pkg (qw(	211	for my $pkg (qw(
148	cf::global cf::attachable	212	cf::global cf::attachable
…		…
153	)) {	217	)) {
154	no strict 'refs';	218	no strict 'refs';
155	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	219	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156	}	220	}
157		221
158	$Event::DIED = sub {	222	$EV::DIED = sub {
159	warn "error in event callback: @_";	223	warn "error in event callback: @_";
160	};	224	};
161		225
162	my %ext_pkg;	226	#############################################################################
163	my @exts;
164	my @hook;
165		227
166	=head2 UTILITY FUNCTIONS	228	=head2 UTILITY FUNCTIONS
167		229
168	=over 4	230	=over 4
169		231
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	250	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	251	$d
190	} || "[unable to dump $_[0]: '$@']";	252	} || "[unable to dump $_[0]: '$@']";
191	}	253	}
192		254
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	255	=item $ref = cf::decode_json $json
196		256
197	Converts a JSON string into the corresponding perl data structure.	257	Converts a JSON string into the corresponding perl data structure.
198		258
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	259	=item $json = cf::encode_json $ref
207		260
208	Converts a perl data structure into its JSON representation.	261	Converts a perl data structure into its JSON representation.
209		262
210	=cut	263	=cut
211		264
212	sub to_json($) {	265	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	266
214	JSON::Syck::Dump $_[0]	267	sub encode_json($) { $json_coder->encode ($_[0]) }
215	}	268	sub decode_json($) { $json_coder->decode ($_[0]) }
216		269
217	=item cf::lock_wait $string	270	=item cf::lock_wait $string
218		271
219	Wait until the given lock is available. See cf::lock_acquire.	272	Wait until the given lock is available. See cf::lock_acquire.
220		273
…		…
223	Wait until the given lock is available and then acquires it and returns	276	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	277	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	278	for example when the coroutine gets canceled), the lock is automatically
226	returned.	279	returned.
227		280
		281	Locks are *not* recursive, locking from the same coro twice results in a
		282	deadlocked coro.
		283
228	Lock names should begin with a unique identifier (for example, cf::map::find	284	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	285	uses map_find and cf::map::load uses map_load).
230		286
		287	=item $locked = cf::lock_active $string
		288
		289	Return true if the lock is currently active, i.e. somebody has locked it.
		290
231	=cut	291	=cut
232		292
233	our %LOCK;	293	our %LOCK;
		294	our %LOCKER;#d#
234		295
235	sub lock_wait($) {	296	sub lock_wait($) {
236	my ($key) = @_;	297	my ($key) = @_;
		298
		299	if ($LOCKER{$key} == $Coro::current) {#d#
		300	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		301	return;#d#
		302	}#d#
237		303
238	# wait for lock, if any	304	# wait for lock, if any
239	while ($LOCK{$key}) {	305	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	306	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	307	Coro::schedule;
…		…
247		313
248	# wait, to be sure we are not locked	314	# wait, to be sure we are not locked
249	lock_wait $key;	315	lock_wait $key;
250		316
251	$LOCK{$key} = [];	317	$LOCK{$key} = [];
		318	$LOCKER{$key} = $Coro::current;#d#
252		319
253	Coro::guard {	320	Coro::guard {
		321	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	322	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	323	$_->ready for @{ delete $LOCK{$key} };
256	}	324	}
257	}	325	}
258		326
		327	sub lock_active($) {
		328	my ($key) = @_;
		329
		330	! ! $LOCK{$key}
		331	}
		332
259	sub freeze_mainloop {	333	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	334	return unless $TICK_WATCHER->is_active;
261		335
262	my $guard = Coro::guard { $TICK_WATCHER->start };	336	my $guard = Coro::guard {
		337	$TICK_WATCHER->start;
		338	};
263	$TICK_WATCHER->stop;	339	$TICK_WATCHER->stop;
264	$guard	340	$guard
		341	}
		342
		343	=item cf::periodic $interval, $cb
		344
		345	Like EV::periodic, but randomly selects a starting point so that the actions
		346	get spread over timer.
		347
		348	=cut
		349
		350	sub periodic($$) {
		351	my ($interval, $cb) = @_;
		352
		353	my $start = rand List::Util::min 180, $interval;
		354
		355	EV::periodic $start, $interval, 0, $cb
		356	}
		357
		358	=item cf::get_slot $time[, $priority[, $name]]
		359
		360	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		361	This call blocks and returns only when you have at least C<$time> seconds
		362	of cpu time till the next tick. The slot is only valid till the next cede.
		363
		364	The optional C<$name> can be used to identify the job to run. It might be
		365	used for statistical purposes and should identify the same time-class.
		366
		367	Useful for short background jobs.
		368
		369	=cut
		370
		371	our @SLOT_QUEUE;
		372	our $SLOT_QUEUE;
		373
		374	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		375	$SLOT_QUEUE = Coro::async {
		376	$Coro::current->desc ("timeslot manager");
		377
		378	my $signal = new Coro::Signal;
		379
		380	while () {
		381	next_job:
		382	my $avail = cf::till_tick;
		383	if ($avail > 0.01) {
		384	for (0 .. $#SLOT_QUEUE) {
		385	if ($SLOT_QUEUE[$_][0] < $avail) {
		386	my $job = splice @SLOT_QUEUE, $_, 1, ();
		387	$job->[2]->send;
		388	Coro::cede;
		389	goto next_job;
		390	}
		391	}
		392	}
		393
		394	if (@SLOT_QUEUE) {
		395	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		396	push @cf::WAIT_FOR_TICK, $signal;
		397	$signal->wait;
		398	} else {
		399	Coro::schedule;
		400	}
		401	}
		402	};
		403
		404	sub get_slot($;$$) {
		405	my ($time, $pri, $name) = @_;
		406
		407	$time = $TICK * .6 if $time > $TICK * .6;
		408	my $sig = new Coro::Signal;
		409
		410	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		411	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		412	$SLOT_QUEUE->ready;
		413	$sig->wait;
265	}	414	}
266		415
267	=item cf::async { BLOCK }	416	=item cf::async { BLOCK }
268		417
269	Currently the same as Coro::async_pool, meaning you cannot use	418	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		423
275	BEGIN { *async = \&Coro::async_pool }	424	BEGIN { *async = \&Coro::async_pool }
276		425
277	=item cf::sync_job { BLOCK }	426	=item cf::sync_job { BLOCK }
278		427
279	The design of crossfire+ requires that the main coro ($Coro::main) is	428	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	429	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	430	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		431	acceptable.
282		432
283	If it must be done, put the blocking parts into C<sync_job>. This will run	433	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	434	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	435	server will be frozen during this time, so the block should either finish
286	fast or be very important.	436	fast or be very important.
…		…
289		439
290	sub sync_job(&) {	440	sub sync_job(&) {
291	my ($job) = @_;	441	my ($job) = @_;
292		442
293	if ($Coro::current == $Coro::main) {	443	if ($Coro::current == $Coro::main) {
		444	my $time = EV::time;
		445
294	# this is the main coro, too bad, we have to block	446	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	447	# till the operation succeeds, freezing the server :/
296		448
		449	LOG llevError, Carp::longmess "sync job";#d#
		450
297	# TODO: use suspend/resume instead	451	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	452	# (but this is cancel-safe)
299	my $freeze_guard = freeze_mainloop;	453	my $freeze_guard = freeze_mainloop;
300		454
301	my $busy = 1;	455	my $busy = 1;
302	my @res;	456	my @res;
303		457
304	(async {	458	(async {
		459	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	460	@res = eval { $job->() };
306	warn $@ if $@;	461	warn $@ if $@;
307	undef $busy;	462	undef $busy;
308	})->prio (Coro::PRIO_MAX);	463	})->prio (Coro::PRIO_MAX);
309		464
310	while ($busy) {	465	while ($busy) {
311	Coro::cede or Event::one_event;	466	if (Coro::nready) {
		467	Coro::cede_notself;
		468	} else {
		469	EV::loop EV::LOOP_ONESHOT;
312	}	470	}
		471	}
		472
		473	$time = EV::time - $time;
		474
		475	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		476	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		477
		478	$tick_start += $time; # do not account sync jobs to server load
313		479
314	wantarray ? @res : $res[0]	480	wantarray ? @res : $res[0]
315	} else {	481	} else {
316	# we are in another coroutine, how wonderful, everything just works	482	# we are in another coroutine, how wonderful, everything just works
317		483
…		…
319	}	485	}
320	}	486	}
321		487
322	=item $coro = cf::async_ext { BLOCK }	488	=item $coro = cf::async_ext { BLOCK }
323		489
324	Like async, but this coro is automcatially being canceled when the	490	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	491	extension calling this is being unloaded.
326		492
327	=cut	493	=cut
328		494
329	sub async_ext(&) {	495	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	503	$EXT_CORO{$coro+0} = $coro;
338		504
339	$coro	505	$coro
340	}	506	}
341		507
342	sub write_runtime {	508	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		509
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	510	Executes the given code block with the given arguments in a seperate
346	or return;	511	process, returning the results. Everything must be serialisable with
		512	Coro::Storable. May, of course, block. Note that the executed sub may
		513	never block itself or use any form of event handling.
347		514
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	515	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		516
352	aio_fsync $fh	517	sub fork_call(&@) {
353	and return;	518	my ($cb, @args) = @_;
354		519
355	close $fh	520	# we seemingly have to make a local copy of the whole thing,
356	or return;	521	# otherwise perl prematurely frees the stuff :/
		522	# TODO: investigate and fix (likely this will be rather laborious)
357		523
358	aio_rename "$runtime~", $runtime	524	my @res = Coro::Util::fork_eval {
359	and return;	525	reset_signals;
		526	&$cb
		527	}, @args;
360		528
		529	wantarray ? @res : $res[-1]
		530	}
		531
		532	=item $value = cf::db_get $family => $key
		533
		534	Returns a single value from the environment database.
		535
		536	=item cf::db_put $family => $key => $value
		537
		538	Stores the given C<$value> in the family. It can currently store binary
		539	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		540
		541	=item $db = cf::db_table "name"
		542
		543	Create and/or open a new database table. The string must not be "db" and must be unique
		544	within each server.
		545
		546	=cut
		547
		548	sub db_table($) {
		549	my ($name) = @_;
		550	my $db = BDB::db_create $DB_ENV;
		551
		552	eval {
		553	$db->set_flags (BDB::CHKSUM);
		554
		555	utf8::encode $name;
		556	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		557	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		558	cf::cleanup "db_open(db): $!" if $!;
		559	};
		560	cf::cleanup "db_open(db): $@" if $@;
		561
		562	$db
		563	}
		564
		565	our $DB;
		566
		567	sub db_init {
		568	cf::sync_job {
		569	$DB ||= db_table "db";
		570	};
		571	}
		572
		573	sub db_get($$) {
		574	my $key = "$_[0]/$_[1]";
		575
		576	cf::sync_job {
		577	BDB::db_get $DB, undef, $key, my $data;
		578
		579	$! ? ()
		580	: $data
361	1	581	}
		582	}
		583
		584	sub db_put($$$) {
		585	BDB::dbreq_pri 4;
		586	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		587	}
		588
		589	=item cf::cache $id => [$paths...], $processversion => $process
		590
		591	Generic caching function that returns the value of the resource $id,
		592	caching and regenerating as required.
		593
		594	This function can block.
		595
		596	=cut
		597
		598	sub cache {
		599	my ($id, $src, $processversion, $process) = @_;
		600
		601	my $meta =
		602	join "\x00",
		603	$processversion,
		604	map {
		605	aio_stat $_
		606	and Carp::croak "$_: $!";
		607
		608	($_, (stat _)[7,9])
		609	} @$src;
		610
		611	my $dbmeta = db_get cache => "$id/meta";
		612	if ($dbmeta ne $meta) {
		613	# changed, we may need to process
		614
		615	my @data;
		616	my $md5;
		617
		618	for (0 .. $#$src) {
		619	0 <= aio_load $src->[$_], $data[$_]
		620	or Carp::croak "$src->[$_]: $!";
		621	}
		622
		623	# if processing is expensive, check
		624	# checksum first
		625	if (1) {
		626	$md5 =
		627	join "\x00",
		628	$processversion,
		629	map {
		630	cf::cede_to_tick;
		631	($src->[$_], Digest::MD5::md5_hex $data[$_])
		632	} 0.. $#$src;
		633
		634
		635	my $dbmd5 = db_get cache => "$id/md5";
		636	if ($dbmd5 eq $md5) {
		637	db_put cache => "$id/meta", $meta;
		638
		639	return db_get cache => "$id/data";
		640	}
		641	}
		642
		643	my $t1 = Time::HiRes::time;
		644	my $data = $process->(\@data);
		645	my $t2 = Time::HiRes::time;
		646
		647	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		648
		649	db_put cache => "$id/data", $data;
		650	db_put cache => "$id/md5" , $md5;
		651	db_put cache => "$id/meta", $meta;
		652
		653	return $data;
		654	}
		655
		656	db_get cache => "$id/data"
		657	}
		658
		659	=item cf::datalog type => key => value, ...
		660
		661	Log a datalog packet of the given type with the given key-value pairs.
		662
		663	=cut
		664
		665	sub datalog($@) {
		666	my ($type, %kv) = @_;
		667	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	668	}
363		669
364	=back	670	=back
365		671
366	=cut	672	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494		673
495	#############################################################################	674	#############################################################################
496		675
497	=head2 ATTACHABLE OBJECTS	676	=head2 ATTACHABLE OBJECTS
498		677
…		…
500	attach callbacks/event handlers (a collection of which is called an "attachment")	679	attach callbacks/event handlers (a collection of which is called an "attachment")
501	to it. All such attachable objects support the following methods.	680	to it. All such attachable objects support the following methods.
502		681
503	In the following description, CLASS can be any of C<global>, C<object>	682	In the following description, CLASS can be any of C<global>, C<object>
504	C<player>, C<client> or C<map> (i.e. the attachable objects in	683	C<player>, C<client> or C<map> (i.e. the attachable objects in
505	crossfire+).	684	Deliantra).
506		685
507	=over 4	686	=over 4
508		687
509	=item $attachable->attach ($attachment, key => $value...)	688	=item $attachable->attach ($attachment, key => $value...)
510		689
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	803	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	804	our @CB_MAP = ();
626		805
627	my %attachment;	806	my %attachment;
628		807
		808	sub cf::attachable::thawer_merge {
		809	# simply override everything except _meta
		810	local $_[0]{_meta};
		811	%{$_[0]} = %{$_[1]};
		812	}
		813
629	sub _attach_cb($$$$) {	814	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	815	my ($registry, $event, $prio, $cb) = @_;
631		816
632	use sort 'stable';	817	use sort 'stable';
633		818
…		…
667	$registry = $CB_TYPE[$object_type] ||= [];	852	$registry = $CB_TYPE[$object_type] ||= [];
668		853
669	} elsif ($type eq "subtype") {	854	} elsif ($type eq "subtype") {
670	defined $object_type or Carp::croak "subtype specified without type";	855	defined $object_type or Carp::croak "subtype specified without type";
671	my $object_subtype = shift @arg;	856	my $object_subtype = shift @arg;
672	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	857	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
673		858
674	} elsif ($type eq "package") {	859	} elsif ($type eq "package") {
675	my $pkg = shift @arg;	860	my $pkg = shift @arg;
676		861
677	while (my ($name, $id) = each %cb_id) {	862	while (my ($name, $id) = each %cb_id) {
…		…
706	_attach $registry, $klass, @attach;	891	_attach $registry, $klass, @attach;
707	}	892	}
708		893
709	$obj->{$name} = \%arg;	894	$obj->{$name} = \%arg;
710	} else {	895	} else {
711	warn "object uses attachment '$name' that is not available, postponing.\n";	896	warn "object uses attachment '$name' which is not available, postponing.\n";
712	}	897	}
713		898
714	$obj->{_attachment}{$name} = undef;	899	$obj->{_attachment}{$name} = undef;
715	}	900	}
716		901
…		…
718	if (ref $_[0]) {	903	if (ref $_[0]) {
719	_object_attach @_;	904	_object_attach @_;
720	} else {	905	} else {
721	_attach shift->_attach_registry, @_;	906	_attach shift->_attach_registry, @_;
722	}	907	}
		908	_recalc_want;
723	};	909	};
724		910
725	# all those should be optimised	911	# all those should be optimised
726	sub cf::attachable::detach {	912	sub cf::attachable::detach {
727	my ($obj, $name) = @_;	913	my ($obj, $name) = @_;
…		…
730	delete $obj->{_attachment}{$name};	916	delete $obj->{_attachment}{$name};
731	reattach ($obj);	917	reattach ($obj);
732	} else {	918	} else {
733	Carp::croak "cannot, currently, detach class attachments";	919	Carp::croak "cannot, currently, detach class attachments";
734	}	920	}
		921	_recalc_want;
735	};	922	};
736		923
737	sub cf::attachable::attached {	924	sub cf::attachable::attached {
738	my ($obj, $name) = @_;	925	my ($obj, $name) = @_;
739		926
…		…
754	";	941	";
755	die if $@;	942	die if $@;
756	}	943	}
757		944
758	our $override;	945	our $override;
759	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	946	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
760		947
761	sub override {	948	sub override {
762	$override = 1;	949	$override = 1;
763	@invoke_results = ();	950	@INVOKE_RESULTS = (@_);
764	}	951	}
765		952
766	sub do_invoke {	953	sub do_invoke {
767	my $event = shift;	954	my $event = shift;
768	my $callbacks = shift;	955	my $callbacks = shift;
769		956
770	@invoke_results = ();	957	@INVOKE_RESULTS = ();
771		958
772	local $override;	959	local $override;
773		960
774	for (@$callbacks) {	961	for (@$callbacks) {
775	eval { &{$_->[1]} };	962	eval { &{$_->[1]} };
…		…
784	}	971	}
785		972
786	0	973	0
787	}	974	}
788		975
789	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
790		977
791	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	978	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
792		979
793	Generate an object-specific event with the given arguments.	980	Generate an object-specific event with the given arguments.
794		981
795	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	982	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
796	removed in future versions), and there is no public API to access override	983	removed in future versions), and there is no public API to access override
797	results (if you must, access C<@cf::invoke_results> directly).	984	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
798		985
799	=back	986	=back
800		987
801	=cut	988	=cut
802		989
803	#############################################################################	990	#############################################################################
804	# object support	991	# object support
		992
		993	sub _object_equal($$);
		994	sub _object_equal($$) {
		995	my ($a, $b) = @_;
		996
		997	return 0 unless (ref $a) eq (ref $b);
		998
		999	if ("HASH" eq ref $a) {
		1000	my @ka = keys %$a;
		1001	my @kb = keys %$b;
		1002
		1003	return 0 if @ka != @kb;
		1004
		1005	for (0 .. $#ka) {
		1006	return 0 unless $ka[$_] eq $kb[$_];
		1007	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1008	}
		1009
		1010	} elsif ("ARRAY" eq ref $a) {
		1011
		1012	return 0 if @$a != @$b;
		1013
		1014	for (0 .. $#$a) {
		1015	return 0 unless _object_equal $a->[$_], $b->[$_];
		1016	}
		1017
		1018	} elsif ($a ne $b) {
		1019	return 0;
		1020	}
		1021
		1022	1
		1023	}
		1024
		1025	our $SLOW_MERGES;#d#
		1026	sub _can_merge {
		1027	my ($ob1, $ob2) = @_;
		1028
		1029	++$SLOW_MERGES;#d#
		1030
		1031	# we do the slow way here
		1032	return _object_equal $ob1, $ob2
		1033	}
805		1034
806	sub reattach {	1035	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	1036	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	1037	my ($obj) = @_;
		1038
		1039	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		1040
810	my $registry = $obj->registry;	1041	my $registry = $obj->registry;
811		1042
812	@$registry = ();	1043	@$registry = ();
813		1044
…		…
828	cf::attachable->attach (	1059	cf::attachable->attach (
829	prio => -1000000,	1060	prio => -1000000,
830	on_instantiate => sub {	1061	on_instantiate => sub {
831	my ($obj, $data) = @_;	1062	my ($obj, $data) = @_;
832		1063
833	$data = from_json $data;	1064	$data = decode_json $data;
834		1065
835	for (@$data) {	1066	for (@$data) {
836	my ($name, $args) = @$_;	1067	my ($name, $args) = @$_;
837		1068
838	$obj->attach ($name, %{$args || {} });	1069	$obj->attach ($name, %{$args || {} });
…		…
854	sub object_freezer_save {	1085	sub object_freezer_save {
855	my ($filename, $rdata, $objs) = @_;	1086	my ($filename, $rdata, $objs) = @_;
856		1087
857	sync_job {	1088	sync_job {
858	if (length $$rdata) {	1089	if (length $$rdata) {
		1090	utf8::decode (my $decname = $filename);
859	warn sprintf "saving %s (%d,%d)\n",	1091	warn sprintf "saving %s (%d,%d)\n",
860	$filename, length $$rdata, scalar @$objs;	1092	$decname, length $$rdata, scalar @$objs;
861		1093
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1094	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	1095	chmod SAVE_MODE, $fh;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1096	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865	aio_fsync $fh;	1097	aio_fsync $fh if $cf::USE_FSYNC;
866	close $fh;	1098	close $fh;
867		1099
868	if (@$objs) {	1100	if (@$objs) {
869	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1101	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870	chmod SAVE_MODE, $fh;	1102	chmod SAVE_MODE, $fh;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	1103	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	1104	aio_write $fh, 0, (length $data), $data, 0;
873	aio_fsync $fh;	1105	aio_fsync $fh if $cf::USE_FSYNC;
874	close $fh;	1106	close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	1107	aio_rename "$filename.pst~", "$filename.pst";
876	}	1108	}
877	} else {	1109	} else {
878	aio_unlink "$filename.pst";	1110	aio_unlink "$filename.pst";
…		…
884	}	1116	}
885	} else {	1117	} else {
886	aio_unlink $filename;	1118	aio_unlink $filename;
887	aio_unlink "$filename.pst";	1119	aio_unlink "$filename.pst";
888	}	1120	}
889	}	1121	};
890	}	1122	}
891		1123
892	sub object_freezer_as_string {	1124	sub object_freezer_as_string {
893	my ($rdata, $objs) = @_;	1125	my ($rdata, $objs) = @_;
894		1126
…		…
906	or return;	1138	or return;
907		1139
908	unless (aio_stat "$filename.pst") {	1140	unless (aio_stat "$filename.pst") {
909	(aio_load "$filename.pst", $av) >= 0	1141	(aio_load "$filename.pst", $av) >= 0
910	or return;	1142	or return;
		1143
911	$av = eval { (Storable::thaw $av)->{objs} };	1144	my $st = eval { Coro::Storable::thaw $av };
		1145	$av = $st->{objs};
912	}	1146	}
913		1147
		1148	utf8::decode (my $decname = $filename);
914	warn sprintf "loading %s (%d)\n",	1149	warn sprintf "loading %s (%d,%d)\n",
915	$filename, length $data, scalar @{$av || []};#d#	1150	$decname, length $data, scalar @{$av || []};
		1151
916	return ($data, $av);	1152	($data, $av)
917	}	1153	}
		1154
		1155	=head2 COMMAND CALLBACKS
		1156
		1157	=over 4
		1158
		1159	=cut
918		1160
919	#############################################################################	1161	#############################################################################
920	# command handling &c	1162	# command handling &c
921		1163
922	=item cf::register_command $name => \&callback($ob,$args);	1164	=item cf::register_command $name => \&callback($ob,$args);
…		…
935	push @{ $COMMAND{$name} }, [$caller, $cb];	1177	push @{ $COMMAND{$name} }, [$caller, $cb];
936	}	1178	}
937		1179
938	=item cf::register_extcmd $name => \&callback($pl,$packet);	1180	=item cf::register_extcmd $name => \&callback($pl,$packet);
939		1181
940	Register a callbackf ro execution when the client sends an extcmd packet.	1182	Register a callback for execution when the client sends an (synchronous)
		1183	extcmd packet. Ext commands will be processed in the order they are
		1184	received by the server, like other user commands. The first argument is
		1185	the logged-in player. Ext commands can only be processed after a player
		1186	has logged in successfully.
941		1187
942	If the callback returns something, it is sent back as if reply was being	1188	If the callback returns something, it is sent back as if reply was being
943	called.	1189	called.
944		1190
		1191	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1192
		1193	Register a callback for execution when the client sends an (asynchronous)
		1194	exticmd packet. Exti commands are processed by the server as soon as they
		1195	are received, i.e. out of order w.r.t. other commands. The first argument
		1196	is a client socket. Exti commands can be received anytime, even before
		1197	log-in.
		1198
		1199	If the callback returns something, it is sent back as if reply was being
		1200	called.
		1201
945	=cut	1202	=cut
946		1203
947	sub register_extcmd {	1204	sub register_extcmd {
948	my ($name, $cb) = @_;	1205	my ($name, $cb) = @_;
949		1206
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	1207	$EXTCMD{$name} = $cb;
		1208	}
		1209
		1210	sub register_exticmd {
		1211	my ($name, $cb) = @_;
		1212
		1213	$EXTICMD{$name} = $cb;
954	}	1214	}
955		1215
956	cf::player->attach (	1216	cf::player->attach (
957	on_command => sub {	1217	on_command => sub {
958	my ($pl, $name, $params) = @_;	1218	my ($pl, $name, $params) = @_;
…		…
967	cf::override;	1227	cf::override;
968	},	1228	},
969	on_extcmd => sub {	1229	on_extcmd => sub {
970	my ($pl, $buf) = @_;	1230	my ($pl, $buf) = @_;
971		1231
972	my $msg = eval { from_json $buf };	1232	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
973		1233
974	if (ref $msg) {	1234	if (ref $msg) {
		1235	my ($type, $reply, @payload) =
		1236	"ARRAY" eq ref $msg
		1237	? @$msg
		1238	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1239
		1240	my @reply;
		1241
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1242	if (my $cb = $EXTCMD{$type}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	1243	@reply = $cb->($pl, @payload);
977	$pl->ext_reply ($msg->{msgid}, %reply);
978	}
979	}	1244	}
		1245
		1246	$pl->ext_reply ($reply, @reply)
		1247	if $reply;
		1248
980	} else {	1249	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1250	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
982	}	1251	}
983		1252
984	cf::override;	1253	cf::override;
985	},	1254	},
986	);	1255	);
987		1256
988	sub register {
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {
995	my ($path) = @_;
996
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
998	my $base = $1;
999	my $pkg = $1;
1000	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";
1002
1003	warn "loading '$path' into '$pkg'\n";
1004
1005	open my $fh, "<:utf8", $path
1006	or die "$path: $!";
1007
1008	my $source =
1009	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })
1012	. "\n};\n1";
1013
1014	eval $source
1015	or die $@ ? "$path: $@\n"
1016	: "extension disabled.\n";
1017
1018	push @exts, $pkg;
1019	$ext_pkg{$base} = $pkg;
1020
1021	# no strict 'refs';
1022	# @{"$pkg\::ISA"} = ext::;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }
1037
1038	# remove commands
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}
1047	}
1048
1049	# remove extcmds
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}
1063
1064	sub load_extensions {	1257	sub load_extensions {
		1258	cf::sync_job {
		1259	my %todo;
		1260
1065	for my $ext (<$LIBDIR/*.ext>) {	1261	for my $path (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	1262	next unless -r $path;
1067	eval {	1263
1068	load_extension $ext;	1264	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1265	my $base = $1;
		1266	my $pkg = $1;
		1267	$pkg =~ s/[^[:word:]]/_/g;
		1268	$pkg = "ext::$pkg";
		1269
		1270	open my $fh, "<:utf8", $path
		1271	or die "$path: $!";
		1272
		1273	my $source = do { local $/; <$fh> };
		1274
		1275	my %ext = (
		1276	path => $path,
		1277	base => $base,
		1278	pkg => $pkg,
		1279	);
		1280
		1281	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1282	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1283
		1284	$ext{source} =
		1285	"package $pkg; use strict; use utf8;\n"
		1286	. "#line 1 \"$path\"\n{\n"
		1287	. $source
		1288	. "\n};\n1";
		1289
		1290	$todo{$base} = \%ext;
		1291	}
		1292
		1293	my %done;
		1294	while (%todo) {
		1295	my $progress;
		1296
		1297	while (my ($k, $v) = each %todo) {
		1298	for (split /,\s*/, $v->{meta}{depends}) {
		1299	goto skip
		1300	unless exists $done{$_};
		1301	}
		1302
		1303	warn "... loading '$k' into '$v->{pkg}'\n";
		1304
		1305	unless (eval $v->{source}) {
		1306	my $msg = $@ ? "$v->{path}: $@\n"
		1307	: "$v->{base}: extension inactive.\n";
		1308
		1309	if (exists $v->{meta}{mandatory}) {
		1310	warn $msg;
		1311	warn "mandatory extension failed to load, exiting.\n";
		1312	exit 1;
		1313	}
		1314
		1315	warn $msg;
		1316	}
		1317
		1318	$done{$k} = delete $todo{$k};
		1319	push @EXTS, $v->{pkg};
		1320	$progress = 1;
1069	1	1321	}
1070	} or warn "$ext not loaded: $@";	1322
		1323	skip:
		1324	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1325	unless $progress;
		1326	}
1071	}	1327	};
1072	}	1328	}
1073		1329
1074	#############################################################################	1330	#############################################################################
1075	# load/save/clean perl data associated with a map
1076		1331
1077	*cf::mapsupport::on_clean = sub {	1332	=back
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		1333
1090	=head2 CORE EXTENSIONS	1334	=head2 CORE EXTENSIONS
1091		1335
1092	Functions and methods that extend core crossfire objects.	1336	Functions and methods that extend core crossfire objects.
1093		1337
…		…
1099		1343
1100	=head3 cf::player	1344	=head3 cf::player
1101		1345
1102	=over 4	1346	=over 4
1103		1347
		1348	=item cf::player::num_playing
		1349
		1350	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1351
		1352	=cut
		1353
		1354	sub num_playing {
		1355	scalar grep
		1356	$_->ob->map
		1357	&& !$_->hidden
		1358	&& !$_->ob->flag (cf::FLAG_WIZ),
		1359	cf::player::list
		1360	}
		1361
1104	=item cf::player::find $login	1362	=item cf::player::find $login
1105		1363
1106	Returns the given player object, loading it if necessary (might block).	1364	Returns the given player object, loading it if necessary (might block).
1107		1365
1108	=cut	1366	=cut
1109		1367
1110	sub playerdir($) {	1368	sub playerdir($) {
1111	cf::localdir	1369	"$PLAYERDIR/"
1112	. "/"
1113	. cf::playerdir
1114	. "/"
1115	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1370	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1116	}	1371	}
1117		1372
1118	sub path($) {	1373	sub path($) {
1119	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1374	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120		1375
1121	(playerdir $login) . "/$login.pl"	1376	(playerdir $login) . "/playerdata"
1122	}	1377	}
1123		1378
1124	sub find_active($) {	1379	sub find_active($) {
1125	$cf::PLAYER{$_[0]}	1380	$cf::PLAYER{$_[0]}
1126	and $cf::PLAYER{$_[0]}->active	1381	and $cf::PLAYER{$_[0]}->active
…		…
1129		1384
1130	sub exists($) {	1385	sub exists($) {
1131	my ($login) = @_;	1386	my ($login) = @_;
1132		1387
1133	$cf::PLAYER{$login}	1388	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	1389	or cf::sync_job { !aio_stat path $login }
1135	}	1390	}
1136		1391
1137	sub find($) {	1392	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	1393	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	1394	my $login = $_[0];
1140		1395
1141	my $guard = cf::lock_acquire "user_find:$login";	1396	my $guard = cf::lock_acquire "user_find:$login";
1142		1397
1143	$cf::PLAYER{$_[0]} || do {	1398	$cf::PLAYER{$_[0]} || do {
1144	my $pl = load_pl path $login	1399	# rename old playerfiles to new ones
		1400	#TODO: remove when no longer required
		1401	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1402	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1403	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1404	aio_unlink +(playerdir $login) . "/$login.pl";
		1405
		1406	my $f = new_from_file cf::object::thawer path $login
1145	or return;	1407	or return;
		1408
		1409	my $pl = cf::player::load_pl $f
		1410	or return;
		1411	local $cf::PLAYER_LOADING{$login} = $pl;
		1412	$f->resolve_delayed_derefs;
1146	$cf::PLAYER{$login} = $pl	1413	$cf::PLAYER{$login} = $pl
1147	}	1414	}
1148	}	1415	}
1149	}	1416	}
1150		1417
…		…
1160		1427
1161	aio_mkdir playerdir $pl, 0770;	1428	aio_mkdir playerdir $pl, 0770;
1162	$pl->{last_save} = $cf::RUNTIME;	1429	$pl->{last_save} = $cf::RUNTIME;
1163		1430
1164	$pl->save_pl ($path);	1431	$pl->save_pl ($path);
1165	Coro::cede;	1432	cf::cede_to_tick;
1166	}	1433	}
1167		1434
1168	sub new($) {	1435	sub new($) {
1169	my ($login) = @_;	1436	my ($login) = @_;
1170		1437
…		…
1176	$cf::PLAYER{$login} = $self;	1443	$cf::PLAYER{$login} = $self;
1177		1444
1178	$self	1445	$self
1179	}	1446	}
1180		1447
		1448	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1449
		1450	=cut
		1451
		1452	sub send_msg {
		1453	my $ns = shift->ns
		1454	or return;
		1455	$ns->send_msg (@_);
		1456	}
		1457
1181	=item $pl->quit_character	1458	=item $pl->quit_character
1182		1459
1183	Nukes the player without looking back. If logged in, the connection will	1460	Nukes the player without looking back. If logged in, the connection will
1184	be destroyed. May block for a long time.	1461	be destroyed. May block for a long time.
1185		1462
1186	=cut	1463	=cut
1187		1464
1188	sub quit_character {	1465	sub quit_character {
1189	my ($pl) = @_;	1466	my ($pl) = @_;
		1467
		1468	my $name = $pl->ob->name;
1190		1469
1191	$pl->{deny_save} = 1;	1470	$pl->{deny_save} = 1;
1192	$pl->password ("*"); # this should lock out the player until we nuked the dir	1471	$pl->password ("*"); # this should lock out the player until we nuked the dir
1193		1472
1194	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1473	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1199	my $path = playerdir $pl;	1478	my $path = playerdir $pl;
1200	my $temp = "$path~$cf::RUNTIME~deleting~";	1479	my $temp = "$path~$cf::RUNTIME~deleting~";
1201	aio_rename $path, $temp;	1480	aio_rename $path, $temp;
1202	delete $cf::PLAYER{$pl->ob->name};	1481	delete $cf::PLAYER{$pl->ob->name};
1203	$pl->destroy;	1482	$pl->destroy;
		1483
		1484	my $prefix = qr<^~\Q$name\E/>;
		1485
		1486	# nuke player maps
		1487	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1488
1204	IO::AIO::aio_rmtree $temp;	1489	IO::AIO::aio_rmtree $temp;
		1490	}
		1491
		1492	=item $pl->kick
		1493
		1494	Kicks a player out of the game. This destroys the connection.
		1495
		1496	=cut
		1497
		1498	sub kick {
		1499	my ($pl, $kicker) = @_;
		1500
		1501	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1502	$pl->killer ("kicked");
		1503	$pl->ns->destroy;
1205	}	1504	}
1206		1505
1207	=item cf::player::list_logins	1506	=item cf::player::list_logins
1208		1507
1209	Returns am arrayref of all valid playernames in the system, can take a	1508	Returns am arrayref of all valid playernames in the system, can take a
1210	while and may block, so not sync_job-capable, ever.	1509	while and may block, so not sync_job-capable, ever.
1211		1510
1212	=cut	1511	=cut
1213		1512
1214	sub list_logins {	1513	sub list_logins {
1215	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1514	my $dirs = aio_readdir $PLAYERDIR
1216	or return [];	1515	or return [];
1217		1516
1218	my @logins;	1517	my @logins;
1219		1518
1220	for my $login (@$dirs) {	1519	for my $login (@$dirs) {
		1520	my $path = path $login;
		1521
		1522	# a .pst is a dead give-away for a valid player
		1523	unless (-e "$path.pst") {
1221	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1524	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1222	aio_read $fh, 0, 512, my $buf, 0 or next;	1525	aio_read $fh, 0, 512, my $buf, 0 or next;
1223	$buf !~ /^password -------------$/m or next; # official not-valid tag	1526	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1527	}
1224		1528
1225	utf8::decode $login;	1529	utf8::decode $login;
1226	push @logins, $login;	1530	push @logins, $login;
1227	}	1531	}
1228		1532
1229	\@logins	1533	\@logins
1230	}	1534	}
1231		1535
1232	=item $player->maps	1536	=item $player->maps
1233		1537
1234	Returns an arrayref of cf::path's of all maps that are private for this	1538	Returns an arrayref of map paths that are private for this
1235	player. May block.	1539	player. May block.
1236		1540
1237	=cut	1541	=cut
1238		1542
1239	sub maps($) {	1543	sub maps($) {
1240	my ($pl) = @_;	1544	my ($pl) = @_;
		1545
		1546	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1547
1242	my $files = aio_readdir playerdir $pl	1548	my $files = aio_readdir playerdir $pl
1243	or return;	1549	or return;
1244		1550
1245	my @paths;	1551	my @paths;
…		…
1247	for (@$files) {	1553	for (@$files) {
1248	utf8::decode $_;	1554	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1555	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1556	next unless /^$PATH_SEP/o;
1251		1557
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1558	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1559	}
1254		1560
1255	\@paths	1561	\@paths
1256	}	1562	}
1257		1563
		1564	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1565
		1566	Expand crossfire pod fragments into protocol xml.
		1567
		1568	=cut
		1569
		1570	use re 'eval';
		1571
		1572	my $group;
		1573	my $interior; $interior = qr{
		1574	# match a pod interior sequence sans C<< >>
		1575	(?:
		1576	\ (.*?)\ (?{ $group = $^N })
		1577	| < (??{$interior}) >
		1578	)
		1579	}x;
		1580
		1581	sub expand_cfpod {
		1582	my ($self, $pod) = @_;
		1583
		1584	my $xml;
		1585
		1586	while () {
		1587	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1588	$group = $1;
		1589
		1590	$group =~ s/&/&amp;/g;
		1591	$group =~ s/</&lt;/g;
		1592
		1593	$xml .= $group;
		1594	} elsif ($pod =~ m%\G
		1595	([BCGHITU])
		1596	<
		1597	(?:
		1598	([^<>]*) (?{ $group = $^N })
		1599	| < $interior >
		1600	)
		1601	>
		1602	%gcsx
		1603	) {
		1604	my ($code, $data) = ($1, $group);
		1605
		1606	if ($code eq "B") {
		1607	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1608	} elsif ($code eq "I") {
		1609	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1610	} elsif ($code eq "U") {
		1611	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1612	} elsif ($code eq "C") {
		1613	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1614	} elsif ($code eq "T") {
		1615	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1616	} elsif ($code eq "G") {
		1617	my ($male, $female) = split /\|/, $data;
		1618	$data = $self->gender ? $female : $male;
		1619	$xml .= expand_cfpod ($self, $data);
		1620	} elsif ($code eq "H") {
		1621	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1622	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1623	"")
		1624	[$self->{hintmode}];
		1625	} else {
		1626	$xml .= "error processing '$code($data)' directive";
		1627	}
		1628	} else {
		1629	if ($pod =~ /\G(.+)/) {
		1630	warn "parse error while expanding $pod (at $1)";
		1631	}
		1632	last;
		1633	}
		1634	}
		1635
		1636	for ($xml) {
		1637	# create single paragraphs (very hackish)
		1638	s/(?<=\S)\n(?=\w)/ /g;
		1639
		1640	# compress some whitespace
		1641	s/\s+\n/\n/g; # ws line-ends
		1642	s/\n\n+/\n/g; # double lines
		1643	s/^\n+//; # beginning lines
		1644	s/\n+$//; # ending lines
		1645	}
		1646
		1647	$xml
		1648	}
		1649
		1650	no re 'eval';
		1651
		1652	sub hintmode {
		1653	$_[0]{hintmode} = $_[1] if @_ > 1;
		1654	$_[0]{hintmode}
		1655	}
		1656
1258	=item $player->ext_reply ($msgid, $msgtype, %msg)	1657	=item $player->ext_reply ($msgid, @msg)
1259		1658
1260	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1261		1660
1262	=cut	1661	=cut
1263		1662
1264	sub ext_reply($$$%) {	1663	sub ext_reply($$@) {
1265	my ($self, $id, %msg) = @_;	1664	my ($self, $id, @msg) = @_;
1266		1665
1267	$msg{msgid} = $id;	1666	$self->ns->ext_reply ($id, @msg)
1268
1269	$self->send ("ext " . cf::to_json \%msg);
1270	}	1667	}
1271		1668
1272	package cf;	1669	=item $player->ext_msg ($type, @msg)
		1670
		1671	Sends an ext event to the client.
		1672
		1673	=cut
		1674
		1675	sub ext_msg($$@) {
		1676	my ($self, $type, @msg) = @_;
		1677
		1678	$self->ns->ext_msg ($type, @msg);
		1679	}
		1680
		1681	=head3 cf::region
		1682
		1683	=over 4
		1684
		1685	=cut
		1686
		1687	package cf::region;
		1688
		1689	=item cf::region::find_by_path $path
		1690
		1691	Tries to decuce the likely region for a map knowing only its path.
		1692
		1693	=cut
		1694
		1695	sub find_by_path($) {
		1696	my ($path) = @_;
		1697
		1698	my ($match, $specificity);
		1699
		1700	for my $region (list) {
		1701	if ($region->{match} && $path =~ $region->{match}) {
		1702	($match, $specificity) = ($region, $region->specificity)
		1703	if $region->specificity > $specificity;
		1704	}
		1705	}
		1706
		1707	$match
		1708	}
1273		1709
1274	=back	1710	=back
1275
1276		1711
1277	=head3 cf::map	1712	=head3 cf::map
1278		1713
1279	=over 4	1714	=over 4
1280		1715
…		…
1283	package cf::map;	1718	package cf::map;
1284		1719
1285	use Fcntl;	1720	use Fcntl;
1286	use Coro::AIO;	1721	use Coro::AIO;
1287		1722
		1723	use overload
		1724	'""' => \&as_string,
		1725	fallback => 1;
		1726
1288	our $MAX_RESET = 3600;	1727	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1728	our $DEFAULT_RESET = 3000;
1290		1729
1291	sub generate_random_map {	1730	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1731	my ($self, $rmp) = @_;
1293
1294	# mit "rum" bekleckern, nicht	1732	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1733	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1737	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1738	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1739	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1740	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1741	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1742	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1743	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region})	1744	(cf::region::find $rmp->{region}), $rmp->{custom}
		1745	)
		1746	}
		1747
		1748	=item cf::map->register ($regex, $prio)
		1749
		1750	Register a handler for the map path matching the given regex at the
		1751	givne priority (higher is better, built-in handlers have priority 0, the
		1752	default).
		1753
		1754	=cut
		1755
		1756	sub register {
		1757	my (undef, $regex, $prio) = @_;
		1758	my $pkg = caller;
		1759
		1760	no strict;
		1761	push @{"$pkg\::ISA"}, __PACKAGE__;
		1762
		1763	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1764	}
		1765
		1766	# also paths starting with '/'
		1767	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1768
		1769	sub thawer_merge {
		1770	my ($self, $merge) = @_;
		1771
		1772	# we have to keep some variables in memory intact
		1773	local $self->{path};
		1774	local $self->{load_path};
		1775
		1776	$self->SUPER::thawer_merge ($merge);
		1777	}
		1778
		1779	sub normalise {
		1780	my ($path, $base) = @_;
		1781
		1782	$path = "$path"; # make sure its a string
		1783
		1784	$path =~ s/\.map$//;
		1785
		1786	# map plan:
		1787	#
		1788	# /! non-realised random map exit (special hack!)
		1789	# {... are special paths that are not being touched
		1790	# ?xxx/... are special absolute paths
		1791	# ?random/... random maps
		1792	# /... normal maps
		1793	# ~user/... per-player map of a specific user
		1794
		1795	$path =~ s/$PATH_SEP/\//go;
		1796
		1797	# treat it as relative path if it starts with
		1798	# something that looks reasonable
		1799	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1800	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1801
		1802	$base =~ s{[^/]+/?$}{};
		1803	$path = "$base/$path";
		1804	}
		1805
		1806	for ($path) {
		1807	redo if s{//}{/};
		1808	redo if s{/\.?/}{/};
		1809	redo if s{/[^/]+/\.\./}{/};
		1810	}
		1811
		1812	$path
		1813	}
		1814
		1815	sub new_from_path {
		1816	my (undef, $path, $base) = @_;
		1817
		1818	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1819
		1820	$path = normalise $path, $base;
		1821
		1822	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1823	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1824	my $self = bless cf::map::new, $pkg;
		1825	$self->{path} = $path; $self->path ($path);
		1826	$self->init; # pass $1 etc.
		1827	return $self;
		1828	}
		1829	}
		1830
		1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1832	()
		1833	}
		1834
		1835	sub init {
		1836	my ($self) = @_;
		1837
		1838	$self
		1839	}
		1840
		1841	sub as_string {
		1842	my ($self) = @_;
		1843
		1844	"$self->{path}"
		1845	}
		1846
		1847	# the displayed name, this is a one way mapping
		1848	sub visible_name {
		1849	&as_string
		1850	}
		1851
		1852	# the original (read-only) location
		1853	sub load_path {
		1854	my ($self) = @_;
		1855
		1856	"$MAPDIR/$self->{path}.map"
		1857	}
		1858
		1859	# the temporary/swap location
		1860	sub save_path {
		1861	my ($self) = @_;
		1862
		1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1864	"$TMPDIR/$path.map"
		1865	}
		1866
		1867	# the unique path, undef == no special unique path
		1868	sub uniq_path {
		1869	my ($self) = @_;
		1870
		1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1872	"$UNIQUEDIR/$path"
1308	}	1873	}
1309		1874
1310	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1311	# all maps in C++...	1876	# all maps in C++...
1312	sub change_all_map_light {	1877	sub change_all_map_light {
…		…
1314		1879
1315	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1317	}	1882	}
1318		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
		1892	sub unlink_save {
		1893	my ($self) = @_;
		1894
		1895	utf8::encode (my $save = $self->save_path);
		1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1897	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1898	}
		1899
1319	sub try_load_header($) {	1900	sub load_header_from($) {
1320	my ($path) = @_;	1901	my ($self, $path) = @_;
1321		1902
1322	utf8::encode $path;	1903	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1324	or return;	1905	or return;
1325		1906
1326	my $map = cf::map::new	1907	$self->_load_header ($f)
1327	or return;	1908	or return;
1328		1909
1329	# for better error messages only, will be overwritten	1910	local $MAP_LOADING{$self->{path}} = $self;
1330	$map->path ($path);	1911	$f->resolve_delayed_derefs;
1331		1912
1332	$map->load_header ($path)	1913	$self->{load_path} = $path;
		1914
		1915	1
		1916	}
		1917
		1918	sub load_header_orig {
		1919	my ($self) = @_;
		1920
		1921	$self->load_header_from ($self->load_path)
		1922	}
		1923
		1924	sub load_header_temp {
		1925	my ($self) = @_;
		1926
		1927	$self->load_header_from ($self->save_path)
		1928	}
		1929
		1930	sub prepare_temp {
		1931	my ($self) = @_;
		1932
		1933	$self->last_access ((delete $self->{last_access})
		1934	|| $cf::RUNTIME); #d#
		1935	# safety
		1936	$self->{instantiate_time} = $cf::RUNTIME
		1937	if $self->{instantiate_time} > $cf::RUNTIME;
		1938	}
		1939
		1940	sub prepare_orig {
		1941	my ($self) = @_;
		1942
		1943	$self->{load_original} = 1;
		1944	$self->{instantiate_time} = $cf::RUNTIME;
		1945	$self->last_access ($cf::RUNTIME);
		1946	$self->instantiate;
		1947	}
		1948
		1949	sub load_header {
		1950	my ($self) = @_;
		1951
		1952	if ($self->load_header_temp) {
		1953	$self->prepare_temp;
		1954	} else {
		1955	$self->load_header_orig
1333	or return;	1956	or return;
		1957	$self->prepare_orig;
		1958	}
1334		1959
1335	$map->{load_path} = $path;	1960	$self->{deny_reset} = 1
		1961	if $self->no_reset;
1336		1962
1337	$map	1963	$self->default_region (cf::region::find_by_path $self->{path})
		1964	unless $self->default_region;
		1965
		1966	1
1338	}	1967	}
1339		1968
1340	sub find;	1969	sub find;
1341	sub find {	1970	sub find {
1342	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1343		1972
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1349	cf::lock_wait "map_find:$key";	1976	cf::lock_wait "map_find:$path";
1350		1977
1351	$cf::MAP{$key} || do {	1978	$cf::MAP{$path} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	1979	my $guard1 = cf::lock_acquire "map_find:$path";
		1980	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1353		1981
1354	# do it the slow way	1982	my $map = new_from_path cf::map $path
1355	my $map = try_load_header $path->save_path;
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	1983	or return;
1373		1984
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1386		1986
1387	Coro::cede;	1987	$map->load_header
		1988	or return;
1388		1989
1389	if ($map->should_reset) {	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1991	# doing this can freeze the server in a sync job, obviously
		1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard1;
		1994	undef $guard2;
1390	$map->reset;	1995	$map->reset;
1391	undef $guard;
1392	$map = find $path	1996	return find $path;
1393	or return;
1394	}	1997	}
1395		1998
1396	$cf::MAP{$key} = $map	1999	$cf::MAP{$path} = $map
1397	}	2000	}
1398	}	2001	}
		2002
		2003	sub pre_load { }
		2004	sub post_load { }
1399		2005
1400	sub load {	2006	sub load {
1401	my ($self) = @_;	2007	my ($self) = @_;
1402		2008
		2009	local $self->{deny_reset} = 1; # loading can take a long time
		2010
1403	my $path = $self->{path};	2011	my $path = $self->{path};
		2012
		2013	{
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2014	my $guard = cf::lock_acquire "map_data:$path";
1405		2015
		2016	return unless $self->valid;
1406	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1407		2018
1408	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1409		2020
1410	$self->alloc;	2021	$self->alloc;
1411	$self->load_objects ($self->{load_path}, 1)	2022
		2023	$self->pre_load;
		2024	cf::cede_to_tick;
		2025
		2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
		2028	$self->_load_objects ($f)
1412	or return;	2029	or return;
1413		2030
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415	if delete $self->{load_original};	2032	if delete $self->{load_original};
1416		2033
1417	if (my $uniq = $path->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	2035	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1420	$self->clear_unique_items;	2038	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1422	}	2042	}
1423	}	2043	}
1424		2044
1425	Coro::cede;	2045	$f->resolve_delayed_derefs;
1426		2046
		2047	cf::cede_to_tick;
1427	# now do the right thing for maps	2048	# now do the right thing for maps
1428	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1429
1430	if ($self->{path}->is_style_map) {
1431	$self->{deny_save} = 1;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;
1437	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	2051	unless $self->difficulty;
		2052	cf::cede_to_tick;
		2053
		2054	unless ($self->{deny_activate}) {
		2055	$self->decay_objects;
		2056	$self->fix_auto_apply;
		2057	$self->update_buttons;
		2058	cf::cede_to_tick;
		2059	$self->set_darkness_map;
		2060	cf::cede_to_tick;
1440	$self->activate;	2061	$self->activate;
1441	}	2062	}
1442		2063
1443	Coro::cede;	2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
1444		2066
1445	$self->in_memory (cf::MAP_IN_MEMORY);	2067	$self->in_memory (cf::MAP_IN_MEMORY);
		2068	}
		2069
		2070	$self->post_load;
		2071	}
		2072
		2073	sub customise_for {
		2074	my ($self, $ob) = @_;
		2075
		2076	return find "~" . $ob->name . "/" . $self->{path}
		2077	if $self->per_player;
		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
		2082	$self
1446	}	2083	}
1447		2084
1448	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	2086	sub load_neighbours {
1450	my ($map) = @_;	2087	my ($map) = @_;
1451		2088
1452	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1453		2090
1454	for (0 .. 3) {	2091	for (0 .. 3) {
1455	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1456	or next;	2093	or next;
1457	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1458	or next;	2095	or next;
1459	$neigh->load;	2096	$neigh->load;
1460		2097
		2098	push @neigh,
1461	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1462	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1463	}	2101	}
1464		2102
1465	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1466	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1467	or next;	2106	or next;
1468	$neigh->load;	2107	$neigh->load;
1469	}	2108	}
1470	}	2109	}
1471		2110
…		…
1476	}	2115	}
1477		2116
1478	sub do_load_sync {	2117	sub do_load_sync {
1479	my ($map) = @_;	2118	my ($map) = @_;
1480		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1481	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1482	}	2124	}
1483		2125
1484	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
		2127	our $MAP_PREFETCHER = undef;
		2128
		2129	sub find_async {
		2130	my ($path, $origin, $load) = @_;
		2131
		2132	$path = normalise $path, $origin && $origin->{path};
		2133
		2134	if (my $map = $cf::MAP{$path}) {
		2135	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2136	}
		2137
		2138	$MAP_PREFETCH{$path} |= $load;
		2139
1485	our $MAP_PREFETCHER = Coro::async {	2140	$MAP_PREFETCHER ||= cf::async {
1486	while () {	2141	$Coro::current->{desc} = "map prefetcher";
		2142
1487	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1489	or next;	2145	if (my $map = find $k) {
		2146	$map->load if $v;
		2147	}
		2148
1490	my $path = delete $MAP_PREFETCH{$key};	2149	delete $MAP_PREFETCH{$k};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}	2150	}
1496	Coro::schedule;	2151	}
		2152	undef $MAP_PREFETCHER;
1497	}	2153	};
1498	};
1499
1500	sub find_async {
1501	my ($path, $origin) = @_;
1502
1503	$path = new cf::path $path, $origin && $origin->path;
1504	my $key = $path->as_string;
1505
1506	if (my $map = $cf::MAP{$key}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}
1509
1510	$MAP_PREFETCH{$key} = $path;
1511	$MAP_PREFETCHER->ready;	2154	$MAP_PREFETCHER->prio (6);
1512		2155
1513	()	2156	()
1514	}	2157	}
1515		2158
1516	sub save {	2159	sub save {
1517	my ($self) = @_;	2160	my ($self) = @_;
1518		2161
1519	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1520		2163
1521	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1522		2165
1523	return unless $self->dirty;	2166	return unless $self->dirty;
1524		2167
1525	my $save = $self->{path}->save_path; utf8::encode $save;	2168	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2169	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		2170
1528	$self->{load_path} = $save;	2171	$self->{load_path} = $save;
1529		2172
1530	return if $self->{deny_save};	2173	return if $self->{deny_save};
1531		2174
1532	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1533		2176
1534	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1535	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1536	};	2180	};
1537		2181
1538	if ($uniq) {	2182	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	2184	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	2185	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}	2187	}
1544	}	2188	}
1545		2189
1546	sub swap_out {	2190	sub swap_out {
1547	my ($self) = @_;	2191	my ($self) = @_;
1548		2192
1549	# save first because save cedes	2193	# save first because save cedes
1550	$self->save;	2194	$self->save;
1551		2195
1552	my $lock = cf::lock_acquire "map_data:" . $self->path;	2196	my $lock = cf::lock_acquire "map_data:$self->{path}";
1553		2197
1554	return if $self->players;	2198	return if $self->players;
1555	return if $self->in_memory != cf::MAP_IN_MEMORY;	2199	return if $self->in_memory != cf::MAP_IN_MEMORY;
1556	return if $self->{deny_save};	2200	return if $self->{deny_save};
1557		2201
		2202	$self->in_memory (cf::MAP_SWAPPED);
		2203
		2204	$self->deactivate;
		2205	$_->clear_links_to ($self) for values %cf::MAP;
1558	$self->clear;	2206	$self->clear;
1559	$self->in_memory (cf::MAP_SWAPPED);
1560	}	2207	}
1561		2208
1562	sub reset_at {	2209	sub reset_at {
1563	my ($self) = @_;	2210	my ($self) = @_;
1564		2211
1565	# TODO: safety, remove and allow resettable per-player maps	2212	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};
1567	return 1e99 if $self->{deny_reset};	2213	return 1e99 if $self->{deny_reset};
1568		2214
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2215	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2216	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		2217
…		…
1576	my ($self) = @_;	2222	my ($self) = @_;
1577		2223
1578	$self->reset_at <= $cf::RUNTIME	2224	$self->reset_at <= $cf::RUNTIME
1579	}	2225	}
1580		2226
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	2227	sub reset {
1603	my ($self) = @_;	2228	my ($self) = @_;
1604		2229
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2230	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2231
1607	return if $self->players;	2232	return if $self->players;
1608	return if $self->{path}{user_rel};#d#
1609		2233
1610	warn "resetting map ", $self->path;#d#	2234	warn "resetting map ", $self->path;
		2235
		2236	$self->in_memory (cf::MAP_SWAPPED);
		2237
		2238	# need to save uniques path
		2239	unless ($self->{deny_save}) {
		2240	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2241
		2242	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2243	if $uniq;
		2244	}
1611		2245
1612	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1613		2247
		2248	$self->deactivate;
1614	$_->clear_links_to ($self) for values %cf::MAP;	2249	$_->clear_links_to ($self) for values %cf::MAP;
		2250	$self->clear;
1615		2251
1616	$self->unlink_save;	2252	$self->unlink_save;
1617	$self->destroy;	2253	$self->destroy;
1618	}	2254	}
1619		2255
1620	my $nuke_counter = "aaaa";	2256	my $nuke_counter = "aaaa";
1621		2257
1622	sub nuke {	2258	sub nuke {
1623	my ($self) = @_;	2259	my ($self) = @_;
1624		2260
		2261	{
		2262	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2263
		2264	delete $cf::MAP{$self->path};
		2265
		2266	$self->unlink_save;
		2267
		2268	bless $self, "cf::map";
		2269	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2270	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2271	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	2272	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2273
		2274	$cf::MAP{$self->path} = $self;
		2275	}
		2276
1628	$self->reset; # polite request, might not happen	2277	$self->reset; # polite request, might not happen
1629	}	2278	}
1630		2279
1631	sub customise_for {	2280	=item $maps = cf::map::tmp_maps
1632	my ($map, $ob) = @_;
1633		2281
1634	if ($map->per_player) {	2282	Returns an arrayref with all map paths of currently instantiated and saved
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2283	maps. May block.
		2284
		2285	=cut
		2286
		2287	sub tmp_maps() {
1636	}	2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise $_
		2293	: ()
		2294	} @{ aio_readdir $TMPDIR or [] }
		2295	]
		2296	}
1637		2297
1638	$map	2298	=item $maps = cf::map::random_maps
		2299
		2300	Returns an arrayref with all map paths of currently instantiated and saved
		2301	random maps. May block.
		2302
		2303	=cut
		2304
		2305	sub random_maps() {
		2306	[
		2307	map {
		2308	utf8::decode $_;
		2309	/\.map$/
		2310	? normalise "?random/$_"
		2311	: ()
		2312	} @{ aio_readdir $RANDOMDIR or [] }
		2313	]
1639	}	2314	}
1640		2315
1641	=item cf::map::unique_maps	2316	=item cf::map::unique_maps
1642		2317
1643	Returns an arrayref of cf::path's of all shared maps that have	2318	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	2319	instantiated unique items. May block.
1645		2320
1646	=cut	2321	=cut
1647		2322
1648	sub unique_maps() {	2323	sub unique_maps() {
1649	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2324	[
1650	or return;	2325	map {
1651
1652	my @paths;
1653
1654	for (@$files) {
1655	utf8::decode $_;	2326	utf8::decode $_;
1656	next if /\.pst$/;	2327	/\.map$/
1657	next unless /^$PATH_SEP/o;	2328	? normalise $_
1658		2329	: ()
1659	push @paths, new cf::path $_;	2330	} @{ aio_readdir $UNIQUEDIR or [] }
1660	}	2331	]
1661
1662	\@paths
1663	}	2332	}
1664		2333
1665	package cf;	2334	package cf;
1666		2335
1667	=back	2336	=back
…		…
1685	map { $_, inv_recursive_ $_->inv } @_	2354	map { $_, inv_recursive_ $_->inv } @_
1686	}	2355	}
1687		2356
1688	sub inv_recursive {	2357	sub inv_recursive {
1689	inv_recursive_ inv $_[0]	2358	inv_recursive_ inv $_[0]
		2359	}
		2360
		2361	=item $ref = $ob->ref
		2362
		2363	creates and returns a persistent reference to an objetc that can be stored as a string.
		2364
		2365	=item $ob = cf::object::deref ($refstring)
		2366
		2367	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2368	even if the object actually exists. May block.
		2369
		2370	=cut
		2371
		2372	sub deref {
		2373	my ($ref) = @_;
		2374
		2375	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2376	my ($uuid, $name) = ($1, $2);
		2377	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2378	or return;
		2379	$pl->ob->uuid eq $uuid
		2380	or return;
		2381
		2382	$pl->ob
		2383	} else {
		2384	warn "$ref: cannot resolve object reference\n";
		2385	undef
		2386	}
1690	}	2387	}
1691		2388
1692	package cf;	2389	package cf;
1693		2390
1694	=back	2391	=back
…		…
1713		2410
1714	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2411	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1715		2412
1716	if ($self->{record_replies}) {	2413	if ($self->{record_replies}) {
1717	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2414	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2415
1718	} else {	2416	} else {
		2417	my $pl = $self->contr;
		2418
		2419	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2420	my $dialog = $pl->{npc_dialog};
		2421	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2422
		2423	} else {
1719	$msg = $npc->name . " says: $msg" if $npc;	2424	$msg = $npc->name . " says: $msg" if $npc;
1720	$self->message ($msg, $flags);	2425	$self->message ($msg, $flags);
		2426	}
1721	}	2427	}
		2428	}
		2429
		2430	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2431
		2432	=cut
		2433
		2434	sub cf::object::send_msg {
		2435	my $pl = shift->contr
		2436	or return;
		2437	$pl->send_msg (@_);
1722	}	2438	}
1723		2439
1724	=item $player_object->may ("access")	2440	=item $player_object->may ("access")
1725		2441
1726	Returns wether the given player is authorized to access resource "access"	2442	Returns wether the given player is authorized to access resource "access"
…		…
1739		2455
1740	=item $player_object->enter_link	2456	=item $player_object->enter_link
1741		2457
1742	Freezes the player and moves him/her to a special map (C<{link}>).	2458	Freezes the player and moves him/her to a special map (C<{link}>).
1743		2459
1744	The player should be reaosnably safe there for short amounts of time. You	2460	The player should be reasonably safe there for short amounts of time. You
1745	I<MUST> call C<leave_link> as soon as possible, though.	2461	I<MUST> call C<leave_link> as soon as possible, though.
1746		2462
		2463	Will never block.
		2464
1747	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
1748		2466
1749	Moves the player out of the specila link map onto the given map. If the	2467	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	2468	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	2469	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	2470	fails, to the emergency map position.
1753		2471
1754	Might block.	2472	Might block.
1755		2473
1756	=cut	2474	=cut
		2475
		2476	sub link_map {
		2477	unless ($LINK_MAP) {
		2478	$LINK_MAP = cf::map::find "{link}"
		2479	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2480	$LINK_MAP->load;
		2481	}
		2482
		2483	$LINK_MAP
		2484	}
1757		2485
1758	sub cf::object::player::enter_link {	2486	sub cf::object::player::enter_link {
1759	my ($self) = @_;	2487	my ($self) = @_;
1760		2488
1761	$self->deactivate_recursive;	2489	$self->deactivate_recursive;
1762		2490
1763	return if $self->map == $LINK_MAP;	2491	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		2492
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	2494	if $self->map && $self->map->{path} ne "{link}";
1767		2495
1768	$self->enter_map ($LINK_MAP, 20, 20);	2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	2497	}
1770		2498
1771	sub cf::object::player::leave_link {	2499	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	2500	my ($self, $map, $x, $y) = @_;
		2501
		2502	return unless $self->contr->active;
1773		2503
1774	my $link_pos = delete $self->{_link_pos};	2504	my $link_pos = delete $self->{_link_pos};
1775		2505
1776	unless ($map) {	2506	unless ($map) {
1777	# restore original map position	2507	# restore original map position
…		…
1791	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1792	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1793	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1794		2524
1795	$map->load;	2525	$map->load;
1796	$map->load_diag;	2526	$map->load_neighbours;
1797		2527
1798	return unless $self->contr->active;	2528	return unless $self->contr->active;
1799	$self->activate_recursive;	2529	$self->activate_recursive;
		2530
		2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
1801	}	2533	}
1802		2534
1803	cf::player->attach (	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1804	on_logout => sub {
1805	my ($pl) = @_;
1806		2536
1807	# abort map switching before logout	2537	Moves the player to the given map-path and coordinates by first freezing
1808	if ($pl->ob->{_link_pos}) {	2538	her, loading and preparing them map, calling the provided $check callback
1809	cf::sync_job {	2539	that has to return the map if sucecssful, and then unfreezes the player on
1810	$pl->ob->leave_link	2540	the new (success) or old (failed) map position. In either case, $done will
1811	};	2541	be called at the end of this process.
1812	}
1813	},
1814	on_login => sub {
1815	my ($pl) = @_;
1816		2542
1817	# try to abort aborted map switching on player login :)
1818	# should happen only on crashes
1819	if ($pl->ob->{_link_pos}) {
1820	$pl->ob->enter_link;
1821	(async {
1822	# we need this sleep as the login has a concurrent enter_exit running
1823	# and this sleep increases chances of the player not ending up in scorn
1824	$pl->ob->reply (undef,
1825	"There was an internal problem at your last logout, "
1826	. "the server will try to bring you to your intended destination in a second.",
1827	cf::NDI_RED);
1828	Coro::Timer::sleep 1;
1829	$pl->ob->leave_link;
1830	})->prio (2);
1831	}
1832	},
1833	);
1834
1835	=item $player_object->goto ($path, $x, $y)
1836
1837	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1838		2546
1839	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
1841		2549
1842	$path = new cf::path $path;	2550	# do generation counting so two concurrent goto's will be executed in-order
		2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1843		2552
1844	$self->enter_link;	2553	$self->enter_link;
1845		2554
1846	(async {	2555	(async {
1847	my $map = cf::map::find $path->as_string;	2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
		2577	my $map = eval {
		2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1848	$map = $map->customise_for ($self) if $map;	2581	$map = $map->customise_for ($self);
1849		2582	$map = $check->($map) if $check && $map;
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	2583	} else {
1851	# if $map;
1852
1853	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	}
1854		2586
		2587	$map
		2588	};
		2589
		2590	if ($@) {
		2591	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2592	LOG llevError | logBacktrace, Carp::longmess $@;
		2593	}
		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1856	})->prio (1);	2601	})->prio (1);
1857	}	2602	}
1858		2603
1859	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1860		2605
…		…
1862		2607
1863	sub parse_random_map_params {	2608	sub parse_random_map_params {
1864	my ($spec) = @_;	2609	my ($spec) = @_;
1865		2610
1866	my $rmp = { # defaults	2611	my $rmp = { # defaults
1867	xsize => 10,	2612	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	2613	ysize => (cf::rndm 15, 40),
		2614	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2615	#layout => string,
1869	};	2616	};
1870		2617
1871	for (split /\n/, $spec) {	2618	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	2619	my ($k, $v) = split /\s+/, $_, 2;
1873		2620
…		…
1877	$rmp	2624	$rmp
1878	}	2625	}
1879		2626
1880	sub prepare_random_map {	2627	sub prepare_random_map {
1881	my ($exit) = @_;	2628	my ($exit) = @_;
		2629
		2630	my $guard = cf::lock_acquire "exit_prepare:$exit";
1882		2631
1883	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1884	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1885	# that depends on the exit object	2634	# that depends on the exit object
1886		2635
1887	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
1888		2637
1889	if ($exit->map) {	2638	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	2639	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
1894	}	2643	}
1895		2644
1896	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
1897		2646
1898	my $data = cf::to_json $rmp;	2647	my $data = cf::encode_json $rmp;
1899	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
		2649	my $meta = "$RANDOMDIR/$md5.meta";
1900		2650
1901	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
		2653	undef $fh;
		2654	aio_rename "$meta~", $meta;
1903		2655
1904	$exit->slaying ("?random/$md5");	2656	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	2657	$exit->msg (undef);
1906	}	2658	}
1907	}	2659	}
…		…
1909	sub cf::object::player::enter_exit {	2661	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	2662	my ($self, $exit) = @_;
1911		2663
1912	return unless $self->type == cf::PLAYER;	2664	return unless $self->type == cf::PLAYER;
1913		2665
		2666	if ($exit->slaying eq "/!") {
		2667	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2668	# the problem is that $exit might not survive long enough
		2669	# so it needs to be done right now, right here
		2670	cf::sync_job { prepare_random_map $exit };
		2671	}
		2672
		2673	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2674	my $hp = $exit->stats->hp;
		2675	my $sp = $exit->stats->sp;
		2676
1914	$self->enter_link;	2677	$self->enter_link;
1915		2678
		2679	# if exit is damned, update players death & WoR home-position
		2680	$self->contr->savebed ($slaying, $hp, $sp)
		2681	if $exit->flag (FLAG_DAMNED);
		2682
1916	(async {	2683	(async {
		2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2685
1917	$self->deactivate_recursive; # just to be sure	2686	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	2687	unless (eval {
1919	prepare_random_map $exit	2688	$self->goto ($slaying, $hp, $sp);
1920	if $exit->slaying eq "/!";
1921
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924		2689
1925	1;	2690	1;
1926	}) {	2691	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	2692	$self->message ("Something went wrong deep within the crossfire server. "
1928	. "I'll try to bring you back to the map you were before. "	2693	. "I'll try to bring you back to the map you were before. "
1929	. "Please report this to the dungeon master!",	2694	. "Please report this to the dungeon master!",
1930	cf::NDI_UNIQUE | cf::NDI_RED);	2695	cf::NDI_UNIQUE | cf::NDI_RED);
1931		2696
1932	warn "ERROR in enter_exit: $@";	2697	warn "ERROR in enter_exit: $@";
1933	$self->leave_link;	2698	$self->leave_link;
1934	}	2699	}
1935	})->prio (1);	2700	})->prio (1);
…		…
1948		2713
1949	sub cf::client::send_drawinfo {	2714	sub cf::client::send_drawinfo {
1950	my ($self, $text, $flags) = @_;	2715	my ($self, $text, $flags) = @_;
1951		2716
1952	utf8::encode $text;	2717	utf8::encode $text;
1953	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2718	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954	}	2719	}
1955		2720
		2721	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2722
		2723	Send a drawinfo or msg packet to the client, formatting the msg for the
		2724	client if neccessary. C<$type> should be a string identifying the type of
		2725	the message, with C<log> being the default. If C<$color> is negative, suppress
		2726	the message unless the client supports the msg packet.
		2727
		2728	=cut
		2729
		2730	# non-persistent channels (usually the info channel)
		2731	our %CHANNEL = (
		2732	"c/identify" => {
		2733	id => "infobox",
		2734	title => "Identify",
		2735	reply => undef,
		2736	tooltip => "Items recently identified",
		2737	},
		2738	"c/examine" => {
		2739	id => "infobox",
		2740	title => "Examine",
		2741	reply => undef,
		2742	tooltip => "Signs and other items you examined",
		2743	},
		2744	"c/book" => {
		2745	id => "infobox",
		2746	title => "Book",
		2747	reply => undef,
		2748	tooltip => "The contents of a note or book",
		2749	},
		2750	"c/lookat" => {
		2751	id => "infobox",
		2752	title => "Look",
		2753	reply => undef,
		2754	tooltip => "What you saw there",
		2755	},
		2756	"c/who" => {
		2757	id => "infobox",
		2758	title => "Players",
		2759	reply => undef,
		2760	tooltip => "Shows players who are currently online",
		2761	},
		2762	"c/body" => {
		2763	id => "infobox",
		2764	title => "Body Parts",
		2765	reply => undef,
		2766	tooltip => "Shows which body parts you posess and are available",
		2767	},
		2768	"c/uptime" => {
		2769	id => "infobox",
		2770	title => "Uptime",
		2771	reply => undef,
		2772	tooltip => "How long the server has been running since last restart",
		2773	},
		2774	"c/mapinfo" => {
		2775	id => "infobox",
		2776	title => "Map Info",
		2777	reply => undef,
		2778	tooltip => "Information related to the maps",
		2779	},
		2780	);
		2781
		2782	sub cf::client::send_msg {
		2783	my ($self, $channel, $msg, $color, @extra) = @_;
		2784
		2785	$msg = $self->pl->expand_cfpod ($msg);
		2786
		2787	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2788
		2789	# check predefined channels, for the benefit of C
		2790	if ($CHANNEL{$channel}) {
		2791	$channel = $CHANNEL{$channel};
		2792
		2793	$self->ext_msg (channel_info => $channel)
		2794	if $self->can_msg;
		2795
		2796	$channel = $channel->{id};
		2797
		2798	} elsif (ref $channel) {
		2799	# send meta info to client, if not yet sent
		2800	unless (exists $self->{channel}{$channel->{id}}) {
		2801	$self->{channel}{$channel->{id}} = $channel;
		2802	$self->ext_msg (channel_info => $channel)
		2803	if $self->can_msg;
		2804	}
		2805
		2806	$channel = $channel->{id};
		2807	}
		2808
		2809	return unless @extra || length $msg;
		2810
		2811	if ($self->can_msg) {
		2812	# default colour, mask it out
		2813	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2814	if $color & cf::NDI_DEF;
		2815
		2816	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2817	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2818	} else {
		2819	if ($color >= 0) {
		2820	# replace some tags by gcfclient-compatible ones
		2821	for ($msg) {
		2822	1 while
		2823	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2824	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2825	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2826	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2827	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2828	}
		2829
		2830	$color &= cf::NDI_COLOR_MASK;
		2831
		2832	utf8::encode $msg;
		2833
		2834	if (0 && $msg =~ /\[/) {
		2835	# COMMAND/INFO
		2836	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2837	} else {
		2838	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2839	$self->send_packet ("drawinfo $color $msg")
		2840	}
		2841	}
		2842	}
		2843	}
		2844
		2845	=item $client->ext_msg ($type, @msg)
		2846
		2847	Sends an ext event to the client.
		2848
		2849	=cut
		2850
		2851	sub cf::client::ext_msg($$@) {
		2852	my ($self, $type, @msg) = @_;
		2853
		2854	if ($self->extcmd == 2) {
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2856	} elsif ($self->extcmd == 1) { # TODO: remove
		2857	push @msg, msgtype => "event_$type";
		2858	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2859	}
		2860	}
		2861
		2862	=item $client->ext_reply ($msgid, @msg)
		2863
		2864	Sends an ext reply to the client.
		2865
		2866	=cut
		2867
		2868	sub cf::client::ext_reply($$@) {
		2869	my ($self, $id, @msg) = @_;
		2870
		2871	if ($self->extcmd == 2) {
		2872	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2873	} elsif ($self->extcmd == 1) {
		2874	#TODO: version 1, remove
		2875	unshift @msg, msgtype => "reply", msgid => $id;
		2876	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2877	}
		2878	}
1956		2879
1957	=item $success = $client->query ($flags, "text", \&cb)	2880	=item $success = $client->query ($flags, "text", \&cb)
1958		2881
1959	Queues a query to the client, calling the given callback with	2882	Queues a query to the client, calling the given callback with
1960	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2883	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1961	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2884	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1962		2885
1963	Queries can fail, so check the return code. Or don't, as queries will become	2886	Queries can fail, so check the return code. Or don't, as queries will
1964	reliable at some point in the future.	2887	become reliable at some point in the future.
1965		2888
1966	=cut	2889	=cut
1967		2890
1968	sub cf::client::query {	2891	sub cf::client::query {
1969	my ($self, $flags, $text, $cb) = @_;	2892	my ($self, $flags, $text, $cb) = @_;
…		…
1977	utf8::encode $text;	2900	utf8::encode $text;
1978	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2901	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1979		2902
1980	$self->send_packet ($self->{query_queue}[0][0])	2903	$self->send_packet ($self->{query_queue}[0][0])
1981	if @{ $self->{query_queue} } == 1;	2904	if @{ $self->{query_queue} } == 1;
		2905
		2906	1
1982	}	2907	}
1983		2908
1984	cf::client->attach (	2909	cf::client->attach (
		2910	on_connect => sub {
		2911	my ($ns) = @_;
		2912
		2913	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2914	},
1985	on_reply => sub {	2915	on_reply => sub {
1986	my ($ns, $msg) = @_;	2916	my ($ns, $msg) = @_;
1987		2917
1988	# this weird shuffling is so that direct followup queries	2918	# this weird shuffling is so that direct followup queries
1989	# get handled first	2919	# get handled first
1990	my $queue = delete $ns->{query_queue}	2920	my $queue = delete $ns->{query_queue}
1991	or return; # be conservative, not sure how that can happen, but we saw a crash here	2921	or return; # be conservative, not sure how that can happen, but we saw a crash here
1992		2922
1993	(shift @$queue)->[1]->($msg);	2923	(shift @$queue)->[1]->($msg);
		2924	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		2925
1995	push @{ $ns->{query_queue} }, @$queue;	2926	push @{ $ns->{query_queue} }, @$queue;
1996		2927
1997	if (@{ $ns->{query_queue} } == @$queue) {	2928	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	2929	if (@$queue) {
…		…
2000	} else {	2931	} else {
2001	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2932	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2002	}	2933	}
2003	}	2934	}
2004	},	2935	},
		2936	on_exticmd => sub {
		2937	my ($ns, $buf) = @_;
		2938
		2939	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2940
		2941	if (ref $msg) {
		2942	my ($type, $reply, @payload) =
		2943	"ARRAY" eq ref $msg
		2944	? @$msg
		2945	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2946
		2947	my @reply;
		2948
		2949	if (my $cb = $EXTICMD{$type}) {
		2950	@reply = $cb->($ns, @payload);
		2951	}
		2952
		2953	$ns->ext_reply ($reply, @reply)
		2954	if $reply;
		2955
		2956	} else {
		2957	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2958	}
		2959
		2960	cf::override;
		2961	},
2005	);	2962	);
2006		2963
2007	=item $client->async (\&cb)	2964	=item $client->async (\&cb)
2008		2965
2009	Create a new coroutine, running the specified callback. The coroutine will	2966	Create a new coroutine, running the specified callback. The coroutine will
…		…
2050	our $safe = new Safe "safe";	3007	our $safe = new Safe "safe";
2051	our $safe_hole = new Safe::Hole;	3008	our $safe_hole = new Safe::Hole;
2052		3009
2053	$SIG{FPE} = 'IGNORE';	3010	$SIG{FPE} = 'IGNORE';
2054		3011
2055	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3012	$safe->permit_only (Opcode::opset qw(
		3013	:base_core :base_mem :base_orig :base_math
		3014	grepstart grepwhile mapstart mapwhile
		3015	sort time
		3016	));
2056		3017
2057	# here we export the classes and methods available to script code	3018	# here we export the classes and methods available to script code
2058		3019
2059	=pod	3020	=pod
2060		3021
2061	The following fucntions and emthods are available within a safe environment:	3022	The following functions and methods are available within a safe environment:
2062		3023
2063	cf::object contr pay_amount pay_player map	3024	cf::object
		3025	contr pay_amount pay_player map x y force_find force_add destroy
		3026	insert remove name archname title slaying race decrease_ob_nr
		3027
2064	cf::object::player player	3028	cf::object::player
2065	cf::player peaceful	3029	player
2066	cf::map trigger	3030
		3031	cf::player
		3032	peaceful
		3033
		3034	cf::map
		3035	trigger
2067		3036
2068	=cut	3037	=cut
2069		3038
2070	for (	3039	for (
2071	["cf::object" => qw(contr pay_amount pay_player map)],	3040	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3041	insert remove inv name archname title slaying race
		3042	decrease_ob_nr destroy)],
2072	["cf::object::player" => qw(player)],	3043	["cf::object::player" => qw(player)],
2073	["cf::player" => qw(peaceful)],	3044	["cf::player" => qw(peaceful)],
2074	["cf::map" => qw(trigger)],	3045	["cf::map" => qw(trigger)],
2075	) {	3046	) {
2076	no strict 'refs';	3047	no strict 'refs';
…		…
2147	=back	3118	=back
2148		3119
2149	=cut	3120	=cut
2150		3121
2151	#############################################################################	3122	#############################################################################
		3123	# the server's init and main functions
2152		3124
2153	=head2 EXTENSION DATABASE SUPPORT	3125	sub load_facedata($) {
		3126	my ($path) = @_;
2154		3127
2155	Crossfire maintains a very simple database for extension use. It can	3128	# HACK to clear player env face cache, we need some signal framework
2156	currently store anything that can be serialised using Storable, which	3129	# for this (global event?)
2157	excludes objects.	3130	%ext::player_env::MUSIC_FACE_CACHE = ();
2158		3131
2159	The parameter C<$family> should best start with the name of the extension	3132	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2160	using it, it should be unique.
2161		3133
2162	=over 4	3134	warn "loading facedata from $path\n";
2163		3135
2164	=item $hashref = cf::db_get $family	3136	my $facedata;
		3137	0 < aio_load $path, $facedata
		3138	or die "$path: $!";
2165		3139
2166	Return a hashref for use by the extension C<$family>, which can be	3140	$facedata = Coro::Storable::thaw $facedata;
2167	modified. After modifications, you have to call C<cf::db_dirty> or
2168	C<cf::db_sync>.
2169		3141
2170	=item $value = cf::db_get $family => $key	3142	$facedata->{version} == 2
		3143	or cf::cleanup "$path: version mismatch, cannot proceed.";
2171		3144
2172	Returns a single value from the database	3145	# patch in the exptable
2173		3146	$facedata->{resource}{"res/exp_table"} = {
2174	=item cf::db_put $family => $hashref	3147	type => FT_RSRC,
2175		3148	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2176	Stores the given family hashref into the database. Updates are delayed, if
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178
2179	=item cf::db_put $family => $key => $value
2180
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191
2192	=cut
2193
2194	our $DB;
2195
2196	{
2197	my $path = cf::localdir . "/database.pst";
2198
2199	sub db_load() {
2200	$DB = stat $path ? Storable::retrieve $path : { };
2201	}
2202
2203	my $pid;
2204
2205	sub db_save() {
2206	waitpid $pid, 0 if $pid;
2207	if (0 == ($pid = fork)) {
2208	$DB->{_meta}{version} = 1;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}
2213	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});	3149	};
		3150	cf::cede_to_tick;
2225		3151
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}	3152	{
		3153	my $faces = $facedata->{faceinfo};
2230		3154
2231	sub db_get($;$) {	3155	while (my ($face, $info) = each %$faces) {
2232	@_ >= 2	3156	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236		3157
2237	sub db_put($$;$) {	3158	cf::face::set_visibility $idx, $info->{visibility};
2238	if (@_ >= 3) {	3159	cf::face::set_magicmap $idx, $info->{magicmap};
2239	$DB->{$_[0]}{$_[1]} = $_[2];	3160	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2240	} else {	3161	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245		3162
2246	cf::global->attach (	3163	cf::cede_to_tick;
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	3164	}
2251	);
2252	}
2253		3165
2254	#############################################################################	3166	while (my ($face, $info) = each %$faces) {
2255	# the server's main()	3167	next unless $info->{smooth};
2256		3168
2257	sub cfg_load {	3169	my $idx = cf::face::find $face
		3170	or next;
		3171
		3172	if (my $smooth = cf::face::find $info->{smooth}) {
		3173	cf::face::set_smooth $idx, $smooth;
		3174	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3175	} else {
		3176	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3177	}
		3178
		3179	cf::cede_to_tick;
		3180	}
		3181	}
		3182
		3183	{
		3184	my $anims = $facedata->{animinfo};
		3185
		3186	while (my ($anim, $info) = each %$anims) {
		3187	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3188	cf::cede_to_tick;
		3189	}
		3190
		3191	cf::anim::invalidate_all; # d'oh
		3192	}
		3193
		3194	{
		3195	# TODO: for gcfclient pleasure, we should give resources
		3196	# that gcfclient doesn't grok a >10000 face index.
		3197	my $res = $facedata->{resource};
		3198
		3199	while (my ($name, $info) = each %$res) {
		3200	if (defined $info->{type}) {
		3201	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3202	my $data;
		3203
		3204	if ($info->{type} & 1) {
		3205	# prepend meta info
		3206
		3207	my $meta = $enc->encode ({
		3208	name => $name,
		3209	%{ $info->{meta} || {} },
		3210	});
		3211
		3212	$data = pack "(w/a*)*", $meta, $info->{data};
		3213	} else {
		3214	$data = $info->{data};
		3215	}
		3216
		3217	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3218	cf::face::set_type $idx, $info->{type};
		3219	} else {
		3220	$RESOURCE{$name} = $info;
		3221	}
		3222
		3223	cf::cede_to_tick;
		3224	}
		3225	}
		3226
		3227	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3228
		3229	1
		3230	}
		3231
		3232	cf::global->attach (on_resource_update => sub {
		3233	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3234	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3235
		3236	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3237	my $sound = $soundconf->{compat}[$_]
		3238	or next;
		3239
		3240	my $face = cf::face::find "sound/$sound->[1]";
		3241	cf::sound::set $sound->[0] => $face;
		3242	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3243	}
		3244
		3245	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3246	my $face = cf::face::find "sound/$v";
		3247	cf::sound::set $k => $face;
		3248	}
		3249	}
		3250	});
		3251
		3252	register_exticmd fx_want => sub {
		3253	my ($ns, $want) = @_;
		3254
		3255	while (my ($k, $v) = each %$want) {
		3256	$ns->fx_want ($k, $v);
		3257	}
		3258	};
		3259
		3260	sub reload_regions {
		3261	# HACK to clear player env face cache, we need some signal framework
		3262	# for this (global event?)
		3263	%ext::player_env::MUSIC_FACE_CACHE = ();
		3264
		3265	load_resource_file "$MAPDIR/regions"
		3266	or die "unable to load regions file\n";
		3267
		3268	for (cf::region::list) {
		3269	$_->{match} = qr/$_->{match}/
		3270	if exists $_->{match};
		3271	}
		3272	}
		3273
		3274	sub reload_facedata {
		3275	load_facedata "$DATADIR/facedata"
		3276	or die "unable to load facedata\n";
		3277	}
		3278
		3279	sub reload_archetypes {
		3280	load_resource_file "$DATADIR/archetypes"
		3281	or die "unable to load archetypes\n";
		3282	#d# NEED to laod twice to resolve forward references
		3283	# this really needs to be done in an extra post-pass
		3284	# (which needs to be synchronous, so solve it differently)
		3285	load_resource_file "$DATADIR/archetypes"
		3286	or die "unable to load archetypes\n";
		3287	}
		3288
		3289	sub reload_treasures {
		3290	load_resource_file "$DATADIR/treasures"
		3291	or die "unable to load treasurelists\n";
		3292	}
		3293
		3294	sub reload_resources {
		3295	warn "reloading resource files...\n";
		3296
		3297	reload_regions;
		3298	reload_facedata;
		3299	#reload_archetypes;#d#
		3300	reload_archetypes;
		3301	reload_treasures;
		3302
		3303	warn "finished reloading resource files\n";
		3304	}
		3305
		3306	sub init {
		3307	reload_resources;
		3308	}
		3309
		3310	sub reload_config {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3311	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	3312	or return;
2260		3313
2261	local $/;	3314	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	3315	*CFG = YAML::Load <$fh>;
2263		3316
2264	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3317	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2265		3318
2266	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3319	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2267	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3320	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2277		3330
2278	sub main {	3331	sub main {
2279	# we must not ever block the main coroutine	3332	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	3333	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3334	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2282	async { Event::one_event };	3335	(async {
		3336	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3337	EV::loop EV::LOOP_ONESHOT;
		3338	})->prio (Coro::PRIO_MAX);
2283	};	3339	};
2284		3340
2285	cfg_load;	3341	reload_config;
2286	db_load;	3342	db_init;
2287	load_extensions;	3343	load_extensions;
		3344
		3345	$TICK_WATCHER->start;
		3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2288	Event::loop;	3347	EV::loop;
2289	}	3348	}
2290		3349
2291	#############################################################################	3350	#############################################################################
2292	# initialisation and cleanup	3351	# initialisation and cleanup
2293		3352
2294	# install some emergency cleanup handlers	3353	# install some emergency cleanup handlers
2295	BEGIN {	3354	BEGIN {
		3355	our %SIGWATCHER = ();
2296	for my $signal (qw(INT HUP TERM)) {	3356	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	3357	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2298	data => WF_AUTOCANCEL,
2299	signal => $signal,
2300	cb => sub {
2301	cf::cleanup "SIG$signal";	3358	cf::cleanup "SIG$signal";
2302	},
2303	);	3359	};
		3360	}
		3361	}
		3362
		3363	sub write_runtime {
		3364	my $runtime = "$LOCALDIR/runtime";
		3365
		3366	# first touch the runtime file to show we are still running:
		3367	# the fsync below can take a very very long time.
		3368
		3369	IO::AIO::aio_utime $runtime, undef, undef;
		3370
		3371	my $guard = cf::lock_acquire "write_runtime";
		3372
		3373	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3374	or return;
		3375
		3376	my $value = $cf::RUNTIME + 90 + 10;
		3377	# 10 is the runtime save interval, for a monotonic clock
		3378	# 60 allows for the watchdog to kill the server.
		3379
		3380	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3381	and return;
		3382
		3383	# always fsync - this file is important
		3384	aio_fsync $fh
		3385	and return;
		3386
		3387	# touch it again to show we are up-to-date
		3388	aio_utime $fh, undef, undef;
		3389
		3390	close $fh
		3391	or return;
		3392
		3393	aio_rename "$runtime~", $runtime
		3394	and return;
		3395
		3396	warn "runtime file written.\n";
		3397
2304	}	3398	1
2305	}	3399	}
2306		3400
2307	sub emergency_save() {	3401	sub emergency_save() {
2308	my $freeze_guard = cf::freeze_mainloop;	3402	my $freeze_guard = cf::freeze_mainloop;
2309		3403
2310	warn "enter emergency perl save\n";	3404	warn "enter emergency perl save\n";
2311		3405
2312	cf::sync_job {	3406	cf::sync_job {
2313	# use a peculiar iteration method to avoid tripping on perl	3407	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	3408	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	3409	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	3410	warn "begin emergency player save\n";
2317	for my $login (keys %cf::PLAYER) {	3411	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	3412	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	3413	$pl->valid or next;
		3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2320	$pl->save;	3415	$pl->save;
2321	}	3416	}
2322	warn "end emergency player save\n";	3417	warn "end emergency player save\n";
2323		3418
2324	warn "begin emergency map save\n";	3419	warn "begin emergency map save\n";
…		…
2326	my $map = $cf::MAP{$path} or next;	3421	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	3422	$map->valid or next;
2328	$map->save;	3423	$map->save;
2329	}	3424	}
2330	warn "end emergency map save\n";	3425	warn "end emergency map save\n";
		3426
		3427	warn "begin emergency database checkpoint\n";
		3428	BDB::db_env_txn_checkpoint $DB_ENV;
		3429	warn "end emergency database checkpoint\n";
2331	};	3430	};
2332		3431
2333	warn "leave emergency perl save\n";	3432	warn "leave emergency perl save\n";
2334	}	3433	}
2335		3434
		3435	sub post_cleanup {
		3436	my ($make_core) = @_;
		3437
		3438	warn Carp::longmess "post_cleanup backtrace"
		3439	if $make_core;
		3440	}
		3441
2336	sub reload() {	3442	sub do_reload_perl() {
2337	# can/must only be called in main	3443	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	3444	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	3445	warn "can only reload from main coroutine";
2340	return;	3446	return;
2341	}	3447	}
2342		3448
2343	warn "reloading...";	3449	warn "reloading...";
2344		3450
2345	my $guard = freeze_mainloop;	3451	warn "entering sync_job";
		3452
		3453	cf::sync_job {
		3454	cf::write_runtime; # external watchdog should not bark
2346	cf::emergency_save;	3455	cf::emergency_save;
		3456	cf::write_runtime; # external watchdog should not bark
2347		3457
2348	eval {	3458	warn "syncing database to disk";
		3459	BDB::db_env_txn_checkpoint $DB_ENV;
		3460
2349	# if anything goes wrong in here, we should simply crash as we already saved	3461	# if anything goes wrong in here, we should simply crash as we already saved
2350		3462
2351	# cancel all watchers	3463	warn "flushing outstanding aio requests";
2352	for (Event::all_watchers) {	3464	for (;;) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	3465	BDB::flush;
		3466	IO::AIO::flush;
		3467	Coro::cede_notself;
		3468	last unless IO::AIO::nreqs || BDB::nreqs;
		3469	warn "iterate...";
2354	}	3470	}
2355		3471
		3472	++$RELOAD;
		3473
2356	# cancel all extension coros	3474	warn "cancelling all extension coros";
2357	$_->cancel for values %EXT_CORO;	3475	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();	3476	%EXT_CORO = ();
2359		3477
2360	# unload all extensions	3478	warn "removing commands";
2361	for (@exts) {	3479	%COMMAND = ();
		3480
		3481	warn "removing ext/exti commands";
		3482	%EXTCMD = ();
		3483	%EXTICMD = ();
		3484
		3485	warn "unloading/nuking all extensions";
		3486	for my $pkg (@EXTS) {
2362	warn "unloading <$_>";	3487	warn "... unloading $pkg";
2363	unload_extension $_;	3488
		3489	if (my $cb = $pkg->can ("unload")) {
		3490	eval {
		3491	$cb->($pkg);
		3492	1
		3493	} or warn "$pkg unloaded, but with errors: $@";
2364	}	3494	}
2365		3495
		3496	warn "... nuking $pkg";
		3497	Symbol::delete_package $pkg;
		3498	}
		3499
2366	# unload all modules loaded from $LIBDIR	3500	warn "unloading all perl modules loaded from $LIBDIR";
2367	while (my ($k, $v) = each %INC) {	3501	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3502	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369		3503
2370	warn "removing <$k>";	3504	warn "... unloading $k";
2371	delete $INC{$k};	3505	delete $INC{$k};
2372		3506
2373	$k =~ s/\.pm$//;	3507	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;	3508	$k =~ s/\//::/g;
2375		3509
…		…
2378	}	3512	}
2379		3513
2380	Symbol::delete_package $k;	3514	Symbol::delete_package $k;
2381	}	3515	}
2382		3516
2383	# sync database to disk
2384	cf::db_sync;
2385	IO::AIO::flush;
2386
2387	# get rid of safe::, as good as possible	3517	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	3518	Symbol::delete_package "safe::$_"
2389	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3519	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390		3520
2391	# remove register_script_function callbacks
2392	# TODO
2393
2394	# unload cf.pm "a bit"	3521	warn "unloading cf.pm \"a bit\"";
2395	delete $INC{"cf.pm"};	3522	delete $INC{"cf.pm"};
		3523	delete $INC{"cf/pod.pm"};
2396		3524
2397	# don't, removes xs symbols, too,	3525	# don't, removes xs symbols, too,
2398	# and global variables created in xs	3526	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	3527	#Symbol::delete_package __PACKAGE__;
2400		3528
2401	# reload cf.pm	3529	warn "unload completed, starting to reload now";
		3530
2402	warn "reloading cf.pm";	3531	warn "reloading cf.pm";
2403	require cf;	3532	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405		3534
2406	# load config and database again	3535	warn "loading config and database again";
2407	cf::cfg_load;	3536	cf::reload_config;
2408	cf::db_load;
2409		3537
2410	# load extensions
2411	warn "load extensions";	3538	warn "loading extensions";
2412	cf::load_extensions;	3539	cf::load_extensions;
2413		3540
2414	# reattach attachments to objects	3541	warn "reattaching attachments to objects/players";
2415	warn "reattach";	3542	_global_reattach; # objects, sockets
2416	_global_reattach;	3543	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	3544	reattach $_ for values %MAP;
2418	};	3545	warn "reattaching attachments to players";
		3546	reattach $_ for values %PLAYER;
2419		3547
2420	if ($@) {	3548	warn "leaving sync_job";
		3549
		3550	1
		3551	} or do {
2421	warn $@;	3552	warn $@;
2422	warn "error while reloading, exiting.";	3553	warn "error while reloading, exiting.";
2423	exit 1;	3554	exit 1;
2424	}	3555	};
2425		3556
2426	warn "reloaded successfully";	3557	warn "reloaded";
2427	};	3558	};
2428		3559
2429	#############################################################################	3560	our $RELOAD_WATCHER; # used only during reload
2430		3561
2431	unless ($LINK_MAP) {	3562	sub reload_perl() {
2432	$LINK_MAP = cf::map::new;	3563	# doing reload synchronously and two reloads happen back-to-back,
		3564	# coro crashes during coro_state_free->destroy here.
2433		3565
2434	$LINK_MAP->width (41);	3566	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2435	$LINK_MAP->height (41);	3567	undef $RELOAD_WATCHER;
2436	$LINK_MAP->alloc;	3568	do_reload_perl;
2437	$LINK_MAP->path ("{link}");	3569	};
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,
2444	cb => sub {
2445	$_[0]->w->cancel;
2446
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});
2465
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}	3570	}
2471
2472	register "<global>", __PACKAGE__;
2473		3571
2474	register_command "reload" => sub {	3572	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3573	my ($who, $arg) = @_;
2476		3574
2477	if ($who->flag (FLAG_WIZ)) {	3575	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");
2479	reload;
2480	$who->message ("end of reload.");	3576	$who->message ("reloading server.");
		3577	async {
		3578	$Coro::current->{desc} = "perl_reload";
		3579	reload_perl;
		3580	};
2481	}	3581	}
2482	};	3582	};
2483		3583
2484	unshift @INC, $LIBDIR;	3584	unshift @INC, $LIBDIR;
2485		3585
2486	$TICK_WATCHER = Event->timer (	3586	my $bug_warning = 0;
2487	reentrant => 0,	3587
2488	prio => 0,	3588	our @WAIT_FOR_TICK;
2489	at => $NEXT_TICK || $TICK,	3589	our @WAIT_FOR_TICK_BEGIN;
2490	data => WF_AUTOCANCEL,	3590
2491	cb => sub {	3591	sub wait_for_tick {
		3592	return unless $TICK_WATCHER->is_active;
		3593	return if $Coro::current == $Coro::main;
		3594
		3595	my $signal = new Coro::Signal;
		3596	push @WAIT_FOR_TICK, $signal;
		3597	$signal->wait;
		3598	}
		3599
		3600	sub wait_for_tick_begin {
		3601	return unless $TICK_WATCHER->is_active;
		3602	return if $Coro::current == $Coro::main;
		3603
		3604	my $signal = new Coro::Signal;
		3605	push @WAIT_FOR_TICK_BEGIN, $signal;
		3606	$signal->wait;
		3607	}
		3608
		3609	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
		3610	if ($Coro::current != $Coro::main) {
		3611	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3612	unless ++$bug_warning > 10;
		3613	return;
		3614	}
		3615
		3616	$NOW = $tick_start = EV::now;
		3617
2492	cf::server_tick; # one server iteration	3618	cf::server_tick; # one server iteration
		3619
2493	$RUNTIME += $TICK;	3620	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;	3621	$NEXT_TICK = $_[0]->at;
2495		3622
2496	$WAIT_FOR_TICK->broadcast;	3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2498		3625	Coro::async_pool {
2499	# if we are delayed by four ticks or more, skip them all	3626	$Coro::current->{desc} = "runtime saver";
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2501
2502	$TICK_WATCHER->at ($NEXT_TICK);
2503	$TICK_WATCHER->start;
2504	},
2505	);
2506
2507	IO::AIO::max_poll_time $TICK * 0.2;
2508
2509	Event->io (
2510	fd => IO::AIO::poll_fileno,
2511	poll => 'r',
2512	prio => 5,
2513	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,
2515	);
2516
2517	Event->timer (
2518	data => WF_AUTOCANCEL,
2519	after => 0,
2520	interval => 10,
2521	cb => sub {
2522	(Coro::unblock_sub {
2523	write_runtime	3627	write_runtime
2524	or warn "ERROR: unable to write runtime file: $!";	3628	or warn "ERROR: unable to write runtime file: $!";
2525	})->();	3629	};
2526	},	3630	}
2527	);	3631
		3632	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3633	$sig->send;
		3634	}
		3635	while (my $sig = shift @WAIT_FOR_TICK) {
		3636	$sig->send;
		3637	}
		3638
		3639	$LOAD = ($NOW - $tick_start) / $TICK;
		3640	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3641
		3642	_post_tick;
		3643	};
		3644	$TICK_WATCHER->priority (EV::MAXPRI);
		3645
		3646	{
		3647	# configure BDB
		3648
		3649	BDB::min_parallel 8;
		3650	BDB::max_poll_reqs $TICK * 0.1;
		3651	$Coro::BDB::WATCHER->priority (1);
		3652
		3653	unless ($DB_ENV) {
		3654	$DB_ENV = BDB::db_env_create;
		3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3656	| BDB::LOG_AUTOREMOVE, 1);
		3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3659
		3660	cf::sync_job {
		3661	eval {
		3662	BDB::db_env_open
		3663	$DB_ENV,
		3664	$BDBDIR,
		3665	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3667	0666;
		3668
		3669	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3670	};
		3671
		3672	cf::cleanup "db_env_open(db): $@" if $@;
		3673	};
		3674	}
		3675
		3676	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3677	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3678	};
		3679	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3681	};
		3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3684	};
		3685	}
		3686
		3687	{
		3688	# configure IO::AIO
		3689
		3690	IO::AIO::min_parallel 8;
		3691	IO::AIO::max_poll_time $TICK * 0.1;
		3692	$Coro::AIO::WATCHER->priority (1);
		3693	}
		3694
		3695	my $_log_backtrace;
		3696
		3697	sub _log_backtrace {
		3698	my ($msg, @addr) = @_;
		3699
		3700	$msg =~ s/\n//;
		3701
		3702	# limit the # of concurrent backtraces
		3703	if ($_log_backtrace < 2) {
		3704	++$_log_backtrace;
		3705	async {
		3706	$Coro::current->{desc} = "abt $msg";
		3707
		3708	my @bt = fork_call {
		3709	@addr = map { sprintf "%x", $_ } @addr;
		3710	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3711	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3712	or die "addr2line: $!";
		3713
		3714	my @funcs;
		3715	my @res = <$fh>;
		3716	chomp for @res;
		3717	while (@res) {
		3718	my ($func, $line) = splice @res, 0, 2, ();
		3719	push @funcs, "[$func] $line";
		3720	}
		3721
		3722	@funcs
		3723	};
		3724
		3725	LOG llevInfo, "[ABT] $msg\n";
		3726	LOG llevInfo, "[ABT] $_\n" for @bt;
		3727	--$_log_backtrace;
		3728	};
		3729	} else {
		3730	LOG llevInfo, "[ABT] $msg\n";
		3731	LOG llevInfo, "[ABT] [suppressed]\n";
		3732	}
		3733	}
		3734
		3735	# load additional modules
		3736	use cf::pod;
2528		3737
2529	END { cf::emergency_save }	3738	END { cf::emergency_save }
2530		3739
2531	1	3740	1
2532		3741

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