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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 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 = ();
38		50
39	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
42		56
		57	our $RELOAD; # number of reloads so far
43	our @EVENT;	58	our @EVENT;
44	our $LIBDIR = datadir . "/ext";
45		59
46	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(!)
47	our $TICK_WATCHER;	74	our $TICK_WATCHER;
		75	our $AIO_POLL_WATCHER;
		76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	77	our $NEXT_TICK;
49	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;
50		85
51	our %CFG;	86	our %CFG;
52		87
53	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
55		91
56	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
57	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
58	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		95
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	96	# used to convert map paths into valid unix filenames by replacing / by ∕
62	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 $tick_start; # for load detecting purposes
63		102
64	binmode STDOUT;	103	binmode STDOUT;
65	binmode STDERR;	104	binmode STDERR;
66		105
67	# read virtual server time, if available	106	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
70	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
71	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
72	}	111	}
73		112
74	mkdir cf::localdir;	113	mkdir $_
75	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		115
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
83		119
84	#############################################################################	120	#############################################################################
85		121
86	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
87		123
…		…
94	=item $cf::RUNTIME	130	=item $cf::RUNTIME
95		131
96	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
97	every server tick.	133	every server tick.
98		134
99	=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
100		138
101	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
102	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.
103		143
104	=item $cf::NOW	144	=item $cf::NOW
105		145
106	The time of the last (current) server tick.	146	The time of the last (current) server tick.
107		147
108	=item $cf::TICK	148	=item $cf::TICK
109		149
110	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
111		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
112	=item %cf::CFG	162	=item %cf::CFG
113		163
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
115	from wherever your confdir points to.	165	from wherever your confdir points to.
116		166
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		168
119	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
120	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
121	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.
122	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.
123		178
124	=back	179	=back
125		180
126	=cut	181	=cut
127		182
128	BEGIN {	183	BEGIN {
129	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	185	my $msg = join "", @_;
131	utf8::encode $msg;
132		186
133	$msg .= "\n"	187	$msg .= "\n"
134	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
135		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
136	LOG llevError, $msg;	192	LOG llevError, $msg;
137	};	193	};
138	}	194	}
		195
		196	$Coro::State::DIEHOOK = sub {
		197	warn Carp::longmess $_[0];
		198	Coro::terminate;
		199	};
139		200
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	201	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	202	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	203	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	204	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@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';
145	@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)
146		208
147	# 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
148	# within the Safe compartment.	210	# within the Safe compartment.
149	for my $pkg (qw(	211	for my $pkg (qw(
150	cf::global cf::attachable	212	cf::global cf::attachable
…		…
155	)) {	217	)) {
156	no strict 'refs';	218	no strict 'refs';
157	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	219	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
158	}	220	}
159		221
160	$Event::DIED = sub {	222	$EV::DIED = sub {
161	warn "error in event callback: @_";	223	warn "error in event callback: @_";
162	};	224	};
		225
		226	#############################################################################
163		227
164	=head2 UTILITY FUNCTIONS	228	=head2 UTILITY FUNCTIONS
165		229
166	=over 4	230	=over 4
167		231
…		…
186	$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;
187	$d	251	$d
188	} || "[unable to dump $_[0]: '$@']";	252	} || "[unable to dump $_[0]: '$@']";
189	}	253	}
190		254
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	255	=item $ref = cf::decode_json $json
194		256
195	Converts a JSON string into the corresponding perl data structure.	257	Converts a JSON string into the corresponding perl data structure.
196		258
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	259	=item $json = cf::encode_json $ref
205		260
206	Converts a perl data structure into its JSON representation.	261	Converts a perl data structure into its JSON representation.
207		262
208	=cut	263	=cut
209		264
210	sub to_json($) {	265	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	266
212	JSON::Syck::Dump $_[0]	267	sub encode_json($) { $json_coder->encode ($_[0]) }
213	}	268	sub decode_json($) { $json_coder->decode ($_[0]) }
214		269
215	=item cf::lock_wait $string	270	=item cf::lock_wait $string
216		271
217	Wait until the given lock is available. See cf::lock_acquire.	272	Wait until the given lock is available. See cf::lock_acquire.
218		273
…		…
221	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
222	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,
223	for example when the coroutine gets canceled), the lock is automatically	278	for example when the coroutine gets canceled), the lock is automatically
224	returned.	279	returned.
225		280
		281	Locks are *not* recursive, locking from the same coro twice results in a
		282	deadlocked coro.
		283
226	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
227	uses map_find and cf::map::load uses map_load).	285	uses map_find and cf::map::load uses map_load).
228		286
		287	=item $locked = cf::lock_active $string
		288
		289	Return true if the lock is currently active, i.e. somebody has locked it.
		290
229	=cut	291	=cut
230		292
231	our %LOCK;	293	our %LOCK;
		294	our %LOCKER;#d#
232		295
233	sub lock_wait($) {	296	sub lock_wait($) {
234	my ($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#
235		303
236	# wait for lock, if any	304	# wait for lock, if any
237	while ($LOCK{$key}) {	305	while ($LOCK{$key}) {
238	push @{ $LOCK{$key} }, $Coro::current;	306	push @{ $LOCK{$key} }, $Coro::current;
239	Coro::schedule;	307	Coro::schedule;
…		…
245		313
246	# wait, to be sure we are not locked	314	# wait, to be sure we are not locked
247	lock_wait $key;	315	lock_wait $key;
248		316
249	$LOCK{$key} = [];	317	$LOCK{$key} = [];
		318	$LOCKER{$key} = $Coro::current;#d#
250		319
251	Coro::guard {	320	Coro::guard {
		321	delete $LOCKER{$key};#d#
252	# wake up all waiters, to be on the safe side	322	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };	323	$_->ready for @{ delete $LOCK{$key} };
254	}	324	}
255	}	325	}
256		326
		327	sub lock_active($) {
		328	my ($key) = @_;
		329
		330	! ! $LOCK{$key}
		331	}
		332
257	sub freeze_mainloop {	333	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	334	return unless $TICK_WATCHER->is_active;
259		335
260	my $guard = Coro::guard { $TICK_WATCHER->start };	336	my $guard = Coro::guard {
		337	$TICK_WATCHER->start;
		338	};
261	$TICK_WATCHER->stop;	339	$TICK_WATCHER->stop;
262	$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	$sig->wait;
263	}	414	}
264		415
265	=item cf::async { BLOCK }	416	=item cf::async { BLOCK }
266		417
267	Currently the same as Coro::async_pool, meaning you cannot use	418	Currently the same as Coro::async_pool, meaning you cannot use
…		…
272		423
273	BEGIN { *async = \&Coro::async_pool }	424	BEGIN { *async = \&Coro::async_pool }
274		425
275	=item cf::sync_job { BLOCK }	426	=item cf::sync_job { BLOCK }
276		427
277	The design of crossfire+ requires that the main coro ($Coro::main) is	428	The design of Deliantra requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	429	is always able to handle events or runnable, as Deliantra is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	430	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		431	acceptable.
280		432
281	If it must be done, put the blocking parts into C<sync_job>. This will run	433	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	434	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	435	server will be frozen during this time, so the block should either finish
284	fast or be very important.	436	fast or be very important.
…		…
287		439
288	sub sync_job(&) {	440	sub sync_job(&) {
289	my ($job) = @_;	441	my ($job) = @_;
290		442
291	if ($Coro::current == $Coro::main) {	443	if ($Coro::current == $Coro::main) {
		444	my $time = EV::time;
		445
292	# this is the main coro, too bad, we have to block	446	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	447	# till the operation succeeds, freezing the server :/
294		448
		449	LOG llevError, Carp::longmess "sync job";#d#
		450
295	# TODO: use suspend/resume instead	451	# TODO: use suspend/resume instead
296	# (but this is cancel-safe)	452	# (but this is cancel-safe)
297	my $freeze_guard = freeze_mainloop;	453	my $freeze_guard = freeze_mainloop;
298		454
299	my $busy = 1;	455	my $busy = 1;
300	my @res;	456	my @res;
301		457
302	(async {	458	(async {
		459	$Coro::current->desc ("sync job coro");
303	@res = eval { $job->() };	460	@res = eval { $job->() };
304	warn $@ if $@;	461	warn $@ if $@;
305	undef $busy;	462	undef $busy;
306	})->prio (Coro::PRIO_MAX);	463	})->prio (Coro::PRIO_MAX);
307		464
308	while ($busy) {	465	while ($busy) {
309	Coro::cede or Event::one_event;	466	if (Coro::nready) {
		467	Coro::cede_notself;
		468	} else {
		469	EV::loop EV::LOOP_ONESHOT;
310	}	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
311		479
312	wantarray ? @res : $res[0]	480	wantarray ? @res : $res[0]
313	} else {	481	} else {
314	# we are in another coroutine, how wonderful, everything just works	482	# we are in another coroutine, how wonderful, everything just works
315		483
…		…
335	$EXT_CORO{$coro+0} = $coro;	503	$EXT_CORO{$coro+0} = $coro;
336		504
337	$coro	505	$coro
338	}	506	}
339		507
340	sub write_runtime {	508	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		509
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	510	Executes the given code block with the given arguments in a seperate
344	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.
345		514
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	515	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		516
350	aio_fsync $fh	517	sub fork_call(&@) {
351	and return;	518	my ($cb, @args) = @_;
352		519
353	close $fh	520	# we seemingly have to make a local copy of the whole thing,
354	or return;	521	# otherwise perl prematurely frees the stuff :/
		522	# TODO: investigate and fix (likely this will be rather laborious)
355		523
356	aio_rename "$runtime~", $runtime	524	my @res = Coro::Util::fork_eval {
357	and return;	525	reset_signals;
		526	&$cb
		527	}, @args;
358		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($$) {
		574	my $key = "$_[0]/$_[1]";
		575
		576	cf::sync_job {
		577	BDB::db_get $DB, undef, $key, my $data;
		578
		579	$! ? ()
		580	: $data
359	1	581	}
		582	}
		583
		584	sub db_put($$$) {
		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 });
360	}	668	}
361		669
362	=back	670	=back
363		671
364	=cut	672	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		673
493	#############################################################################	674	#############################################################################
494		675
495	=head2 ATTACHABLE OBJECTS	676	=head2 ATTACHABLE OBJECTS
496		677
…		…
498	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")
499	to it. All such attachable objects support the following methods.	680	to it. All such attachable objects support the following methods.
500		681
501	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>
502	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
503	crossfire+).	684	Deliantra).
504		685
505	=over 4	686	=over 4
506		687
507	=item $attachable->attach ($attachment, key => $value...)	688	=item $attachable->attach ($attachment, key => $value...)
508		689
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	803	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	804	our @CB_MAP = ();
624		805
625	my %attachment;	806	my %attachment;
626		807
		808	sub cf::attachable::thawer_merge {
		809	# simply override everything except _meta
		810	local $_[0]{_meta};
		811	%{$_[0]} = %{$_[1]};
		812	}
		813
627	sub _attach_cb($$$$) {	814	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	815	my ($registry, $event, $prio, $cb) = @_;
629		816
630	use sort 'stable';	817	use sort 'stable';
631		818
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	852	$registry = $CB_TYPE[$object_type] ||= [];
666		853
667	} elsif ($type eq "subtype") {	854	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	855	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	856	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	857	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		858
672	} elsif ($type eq "package") {	859	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	860	my $pkg = shift @arg;
674		861
675	while (my ($name, $id) = each %cb_id) {	862	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	891	_attach $registry, $klass, @attach;
705	}	892	}
706		893
707	$obj->{$name} = \%arg;	894	$obj->{$name} = \%arg;
708	} else {	895	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	896	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	897	}
711		898
712	$obj->{_attachment}{$name} = undef;	899	$obj->{_attachment}{$name} = undef;
713	}	900	}
714		901
…		…
716	if (ref $_[0]) {	903	if (ref $_[0]) {
717	_object_attach @_;	904	_object_attach @_;
718	} else {	905	} else {
719	_attach shift->_attach_registry, @_;	906	_attach shift->_attach_registry, @_;
720	}	907	}
		908	_recalc_want;
721	};	909	};
722		910
723	# all those should be optimised	911	# all those should be optimised
724	sub cf::attachable::detach {	912	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	913	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	916	delete $obj->{_attachment}{$name};
729	reattach ($obj);	917	reattach ($obj);
730	} else {	918	} else {
731	Carp::croak "cannot, currently, detach class attachments";	919	Carp::croak "cannot, currently, detach class attachments";
732	}	920	}
		921	_recalc_want;
733	};	922	};
734		923
735	sub cf::attachable::attached {	924	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	925	my ($obj, $name) = @_;
737		926
…		…
752	";	941	";
753	die if $@;	942	die if $@;
754	}	943	}
755		944
756	our $override;	945	our $override;
757	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?
758		947
759	sub override {	948	sub override {
760	$override = 1;	949	$override = 1;
761	@invoke_results = ();	950	@INVOKE_RESULTS = (@_);
762	}	951	}
763		952
764	sub do_invoke {	953	sub do_invoke {
765	my $event = shift;	954	my $event = shift;
766	my $callbacks = shift;	955	my $callbacks = shift;
767		956
768	@invoke_results = ();	957	@INVOKE_RESULTS = ();
769		958
770	local $override;	959	local $override;
771		960
772	for (@$callbacks) {	961	for (@$callbacks) {
773	eval { &{$_->[1]} };	962	eval { &{$_->[1]} };
…		…
782	}	971	}
783		972
784	0	973	0
785	}	974	}
786		975
787	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
788		977
789	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	978	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
790		979
791	Generate an object-specific event with the given arguments.	980	Generate an object-specific event with the given arguments.
792		981
793	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
794	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
795	results (if you must, access C<@cf::invoke_results> directly).	984	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796		985
797	=back	986	=back
798		987
799	=cut	988	=cut
800		989
801	#############################################################################	990	#############################################################################
802	# object support	991	# object support
		992
		993	sub _object_equal($$);
		994	sub _object_equal($$) {
		995	my ($a, $b) = @_;
		996
		997	return 0 unless (ref $a) eq (ref $b);
		998
		999	if ("HASH" eq ref $a) {
		1000	my @ka = keys %$a;
		1001	my @kb = keys %$b;
		1002
		1003	return 0 if @ka != @kb;
		1004
		1005	for (0 .. $#ka) {
		1006	return 0 unless $ka[$_] eq $kb[$_];
		1007	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1008	}
		1009
		1010	} elsif ("ARRAY" eq ref $a) {
		1011
		1012	return 0 if @$a != @$b;
		1013
		1014	for (0 .. $#$a) {
		1015	return 0 unless _object_equal $a->[$_], $b->[$_];
		1016	}
		1017
		1018	} elsif ($a ne $b) {
		1019	return 0;
		1020	}
		1021
		1022	1
		1023	}
		1024
		1025	our $SLOW_MERGES;#d#
		1026	sub _can_merge {
		1027	my ($ob1, $ob2) = @_;
		1028
		1029	++$SLOW_MERGES;#d#
		1030
		1031	# we do the slow way here
		1032	return _object_equal $ob1, $ob2
		1033	}
803		1034
804	sub reattach {	1035	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	1036	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	1037	my ($obj) = @_;
		1038
		1039	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		1040
808	my $registry = $obj->registry;	1041	my $registry = $obj->registry;
809		1042
810	@$registry = ();	1043	@$registry = ();
811		1044
…		…
826	cf::attachable->attach (	1059	cf::attachable->attach (
827	prio => -1000000,	1060	prio => -1000000,
828	on_instantiate => sub {	1061	on_instantiate => sub {
829	my ($obj, $data) = @_;	1062	my ($obj, $data) = @_;
830		1063
831	$data = from_json $data;	1064	$data = decode_json $data;
832		1065
833	for (@$data) {	1066	for (@$data) {
834	my ($name, $args) = @$_;	1067	my ($name, $args) = @$_;
835		1068
836	$obj->attach ($name, %{$args || {} });	1069	$obj->attach ($name, %{$args || {} });
…		…
852	sub object_freezer_save {	1085	sub object_freezer_save {
853	my ($filename, $rdata, $objs) = @_;	1086	my ($filename, $rdata, $objs) = @_;
854		1087
855	sync_job {	1088	sync_job {
856	if (length $$rdata) {	1089	if (length $$rdata) {
		1090	utf8::decode (my $decname = $filename);
857	warn sprintf "saving %s (%d,%d)\n",	1091	warn sprintf "saving %s (%d,%d)\n",
858	$filename, length $$rdata, scalar @$objs;	1092	$decname, length $$rdata, scalar @$objs;
859		1093
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1094	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	1095	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1096	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	1097	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	1098	close $fh;
865		1099
866	if (@$objs) {	1100	if (@$objs) {
867	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) {
868	chmod SAVE_MODE, $fh;	1102	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	1103	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	1104	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	1105	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	1106	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	1107	aio_rename "$filename.pst~", "$filename.pst";
874	}	1108	}
875	} else {	1109	} else {
876	aio_unlink "$filename.pst";	1110	aio_unlink "$filename.pst";
…		…
882	}	1116	}
883	} else {	1117	} else {
884	aio_unlink $filename;	1118	aio_unlink $filename;
885	aio_unlink "$filename.pst";	1119	aio_unlink "$filename.pst";
886	}	1120	}
887	}	1121	};
888	}	1122	}
889		1123
890	sub object_freezer_as_string {	1124	sub object_freezer_as_string {
891	my ($rdata, $objs) = @_;	1125	my ($rdata, $objs) = @_;
892		1126
…		…
904	or return;	1138	or return;
905		1139
906	unless (aio_stat "$filename.pst") {	1140	unless (aio_stat "$filename.pst") {
907	(aio_load "$filename.pst", $av) >= 0	1141	(aio_load "$filename.pst", $av) >= 0
908	or return;	1142	or return;
		1143
909	$av = eval { (Storable::thaw $av)->{objs} };	1144	my $st = eval { Coro::Storable::thaw $av };
		1145	$av = $st->{objs};
910	}	1146	}
911		1147
		1148	utf8::decode (my $decname = $filename);
912	warn sprintf "loading %s (%d)\n",	1149	warn sprintf "loading %s (%d,%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1150	$decname, length $data, scalar @{$av || []};
		1151
914	return ($data, $av);	1152	($data, $av)
915	}	1153	}
		1154
		1155	=head2 COMMAND CALLBACKS
		1156
		1157	=over 4
		1158
		1159	=cut
916		1160
917	#############################################################################	1161	#############################################################################
918	# command handling &c	1162	# command handling &c
919		1163
920	=item cf::register_command $name => \&callback($ob,$args);	1164	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1177	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1178	}
935		1179
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1180	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1181
938	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.
939		1187
940	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
941	called.	1189	called.
942		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
943	=cut	1202	=cut
944		1203
945	sub register_extcmd {	1204	sub register_extcmd {
946	my ($name, $cb) = @_;	1205	my ($name, $cb) = @_;
947		1206
948	$EXTCMD{$name} = $cb;	1207	$EXTCMD{$name} = $cb;
		1208	}
		1209
		1210	sub register_exticmd {
		1211	my ($name, $cb) = @_;
		1212
		1213	$EXTICMD{$name} = $cb;
949	}	1214	}
950		1215
951	cf::player->attach (	1216	cf::player->attach (
952	on_command => sub {	1217	on_command => sub {
953	my ($pl, $name, $params) = @_;	1218	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1227	cf::override;
963	},	1228	},
964	on_extcmd => sub {	1229	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1230	my ($pl, $buf) = @_;
966		1231
967	my $msg = eval { from_json $buf };	1232	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1233
969	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
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1242	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->($pl, $msg)) {	1243	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1244	}
		1245
		1246	$pl->ext_reply ($reply, @reply)
		1247	if $reply;
		1248
975	} else {	1249	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1250	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1251	}
978		1252
979	cf::override;	1253	cf::override;
980	},	1254	},
981	);	1255	);
982		1256
983	sub load_extension {
984	my ($path) = @_;
985
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;
988	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";
991
992	warn "loading '$path' into '$pkg'\n";
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}
1009
1010	sub load_extensions {	1257	sub load_extensions {
		1258	cf::sync_job {
		1259	my %todo;
		1260
1011	for my $ext (<$LIBDIR/*.ext>) {	1261	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1262	next unless -r $path;
1013	eval {	1263
1014	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;
1015	1	1321	}
1016	} or warn "$ext not loaded: $@";	1322
		1323	skip:
		1324	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1325	unless $progress;
		1326	}
1017	}	1327	};
1018	}	1328	}
1019		1329
1020	#############################################################################	1330	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1331
1023	*cf::mapsupport::on_clean = sub {	1332	=back
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1333
1036	=head2 CORE EXTENSIONS	1334	=head2 CORE EXTENSIONS
1037		1335
1038	Functions and methods that extend core crossfire objects.	1336	Functions and methods that extend core crossfire objects.
1039		1337
…		…
1045		1343
1046	=head3 cf::player	1344	=head3 cf::player
1047		1345
1048	=over 4	1346	=over 4
1049		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
1050	=item cf::player::find $login	1362	=item cf::player::find $login
1051		1363
1052	Returns the given player object, loading it if necessary (might block).	1364	Returns the given player object, loading it if necessary (might block).
1053		1365
1054	=cut	1366	=cut
1055		1367
1056	sub playerdir($) {	1368	sub playerdir($) {
1057	cf::localdir	1369	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1370	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1371	}
1063		1372
1064	sub path($) {	1373	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1374	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1375
1067	(playerdir $login) . "/$login.pl"	1376	(playerdir $login) . "/playerdata"
1068	}	1377	}
1069		1378
1070	sub find_active($) {	1379	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1380	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1381	and $cf::PLAYER{$_[0]}->active
…		…
1075		1384
1076	sub exists($) {	1385	sub exists($) {
1077	my ($login) = @_;	1386	my ($login) = @_;
1078		1387
1079	$cf::PLAYER{$login}	1388	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1389	or cf::sync_job { !aio_stat path $login }
1081	}	1390	}
1082		1391
1083	sub find($) {	1392	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1393	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1394	my $login = $_[0];
1086		1395
1087	my $guard = cf::lock_acquire "user_find:$login";	1396	my $guard = cf::lock_acquire "user_find:$login";
1088		1397
1089	$cf::PLAYER{$_[0]} || do {	1398	$cf::PLAYER{$_[0]} || do {
1090	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
1091	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;
1092	$cf::PLAYER{$login} = $pl	1413	$cf::PLAYER{$login} = $pl
1093	}	1414	}
1094	}	1415	}
1095	}	1416	}
1096		1417
…		…
1106		1427
1107	aio_mkdir playerdir $pl, 0770;	1428	aio_mkdir playerdir $pl, 0770;
1108	$pl->{last_save} = $cf::RUNTIME;	1429	$pl->{last_save} = $cf::RUNTIME;
1109		1430
1110	$pl->save_pl ($path);	1431	$pl->save_pl ($path);
1111	Coro::cede;	1432	cf::cede_to_tick;
1112	}	1433	}
1113		1434
1114	sub new($) {	1435	sub new($) {
1115	my ($login) = @_;	1436	my ($login) = @_;
1116		1437
…		…
1122	$cf::PLAYER{$login} = $self;	1443	$cf::PLAYER{$login} = $self;
1123		1444
1124	$self	1445	$self
1125	}	1446	}
1126		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
1127	=item $pl->quit_character	1458	=item $pl->quit_character
1128		1459
1129	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
1130	be destroyed. May block for a long time.	1461	be destroyed. May block for a long time.
1131		1462
1132	=cut	1463	=cut
1133		1464
1134	sub quit_character {	1465	sub quit_character {
1135	my ($pl) = @_;	1466	my ($pl) = @_;
		1467
		1468	my $name = $pl->ob->name;
1136		1469
1137	$pl->{deny_save} = 1;	1470	$pl->{deny_save} = 1;
1138	$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
1139		1472
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1473	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1478	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1479	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1480	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1481	delete $cf::PLAYER{$pl->ob->name};
1149	$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
1150	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;
1151	}	1504	}
1152		1505
1153	=item cf::player::list_logins	1506	=item cf::player::list_logins
1154		1507
1155	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
1156	while and may block, so not sync_job-capable, ever.	1509	while and may block, so not sync_job-capable, ever.
1157		1510
1158	=cut	1511	=cut
1159		1512
1160	sub list_logins {	1513	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1514	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1515	or return [];
1163		1516
1164	my @logins;	1517	my @logins;
1165		1518
1166	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") {
1167	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1524	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1168	aio_read $fh, 0, 512, my $buf, 0 or next;	1525	aio_read $fh, 0, 512, my $buf, 0 or next;
1169	$buf !~ /^password -------------$/m or next; # official not-valid tag	1526	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1527	}
1170		1528
1171	utf8::decode $login;	1529	utf8::decode $login;
1172	push @logins, $login;	1530	push @logins, $login;
1173	}	1531	}
1174		1532
1175	\@logins	1533	\@logins
1176	}	1534	}
1177		1535
1178	=item $player->maps	1536	=item $player->maps
1179		1537
1180	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
1181	player. May block.	1539	player. May block.
1182		1540
1183	=cut	1541	=cut
1184		1542
1185	sub maps($) {	1543	sub maps($) {
1186	my ($pl) = @_;	1544	my ($pl) = @_;
		1545
		1546	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1547
1188	my $files = aio_readdir playerdir $pl	1548	my $files = aio_readdir playerdir $pl
1189	or return;	1549	or return;
1190		1550
1191	my @paths;	1551	my @paths;
…		…
1193	for (@$files) {	1553	for (@$files) {
1194	utf8::decode $_;	1554	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1555	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1556	next unless /^$PATH_SEP/o;
1197		1557
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1558	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1559	}
1200		1560
1201	\@paths	1561	\@paths
1202	}	1562	}
1203		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
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1657	=item $player->ext_reply ($msgid, @msg)
1205		1658
1206	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1207		1660
1208	=cut	1661	=cut
1209		1662
1210	sub ext_reply($$$%) {	1663	sub ext_reply($$@) {
1211	my ($self, $id, %msg) = @_;	1664	my ($self, $id, @msg) = @_;
1212		1665
1213	$msg{msgid} = $id;	1666	$self->ns->ext_reply ($id, @msg)
1214
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1667	}
1217		1668
1218	package cf;	1669	=item $player->ext_msg ($type, @msg)
		1670
		1671	Sends an ext event to the client.
		1672
		1673	=cut
		1674
		1675	sub ext_msg($$@) {
		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	}
1219		1709
1220	=back	1710	=back
1221
1222		1711
1223	=head3 cf::map	1712	=head3 cf::map
1224		1713
1225	=over 4	1714	=over 4
1226		1715
…		…
1229	package cf::map;	1718	package cf::map;
1230		1719
1231	use Fcntl;	1720	use Fcntl;
1232	use Coro::AIO;	1721	use Coro::AIO;
1233		1722
		1723	use overload
		1724	'""' => \&as_string,
		1725	fallback => 1;
		1726
1234	our $MAX_RESET = 3600;	1727	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1728	our $DEFAULT_RESET = 3000;
1236		1729
1237	sub generate_random_map {	1730	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1731	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1732	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1733	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1737	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1738	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1739	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1740	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1741	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$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},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1743	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(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"
1254	}	1873	}
1255		1874
1256	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1257	# all maps in C++...	1876	# all maps in C++...
1258	sub change_all_map_light {	1877	sub change_all_map_light {
…		…
1260		1879
1261	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1263	}	1882	}
1264		1883
		1884	sub decay_objects {
		1885	my ($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
1265	sub try_load_header($) {	1900	sub load_header_from($) {
1266	my ($path) = @_;	1901	my ($self, $path) = @_;
1267		1902
1268	utf8::encode $path;	1903	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1270	or return;	1905	or return;
1271		1906
1272	my $map = cf::map::new	1907	$self->_load_header ($f)
1273	or return;	1908	or return;
1274		1909
1275	# for better error messages only, will be overwritten	1910	local $MAP_LOADING{$self->{path}} = $self;
1276	$map->path ($path);	1911	$f->resolve_delayed_derefs;
1277		1912
1278	$map->load_header ($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
1279	or return;	1956	or return;
		1957	$self->prepare_orig;
		1958	}
1280		1959
1281	$map->{load_path} = $path;	1960	$self->{deny_reset} = 1
		1961	if $self->no_reset;
1282		1962
1283	$map	1963	$self->default_region (cf::region::find_by_path $self->{path})
		1964	unless $self->default_region;
		1965
		1966	1
1284	}	1967	}
1285		1968
1286	sub find;	1969	sub find;
1287	sub find {	1970	sub find {
1288	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1289		1972
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1295	cf::lock_wait "map_find:$key";	1976	cf::lock_wait "map_find:$path";
1296		1977
1297	$cf::MAP{$key} || do {	1978	$cf::MAP{$path} || do {
1298	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
1299		1981
1300	# do it the slow way	1982	my $map = new_from_path cf::map $path
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1983	or return;
1319		1984
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1332		1986
1333	Coro::cede;	1987	$map->load_header
		1988	or return;
1334		1989
1335	if ($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;
1336	$map->reset;	1995	$map->reset;
1337	undef $guard;
1338	$map = find $path	1996	return find $path;
1339	or return;
1340	}	1997	}
1341		1998
1342	$cf::MAP{$key} = $map	1999	$cf::MAP{$path} = $map
1343	}	2000	}
1344	}	2001	}
		2002
		2003	sub pre_load { }
		2004	sub post_load { }
1345		2005
1346	sub load {	2006	sub load {
1347	my ($self) = @_;	2007	my ($self) = @_;
1348		2008
		2009	local $self->{deny_reset} = 1; # loading can take a long time
		2010
1349	my $path = $self->{path};	2011	my $path = $self->{path};
		2012
		2013	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2014	my $guard = cf::lock_acquire "map_data:$path";
1351		2015
		2016	return unless $self->valid;
1352	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1353		2018
1354	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1355		2020
1356	$self->alloc;	2021	$self->alloc;
1357	$self->load_objects ($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)
1358	or return;	2029	or return;
1359		2030
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	2032	if delete $self->{load_original};
1362		2033
1363	if (my $uniq = $path->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	2035	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1366	$self->clear_unique_items;	2038	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1368	}	2042	}
1369	}	2043	}
1370		2044
1371	Coro::cede;	2045	$f->resolve_delayed_derefs;
1372		2046
		2047	cf::cede_to_tick;
1373	# now do the right thing for maps	2048	# now do the right thing for maps
1374	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1385	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;
1386	$self->activate;	2061	$self->activate;
1387	}	2062	}
1388		2063
1389	Coro::cede;	2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
1390		2066
1391	$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	$self
1392	}	2083	}
1393		2084
1394	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	2086	sub load_neighbours {
1396	my ($map) = @_;	2087	my ($map) = @_;
1397		2088
1398	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1399		2090
1400	for (0 .. 3) {	2091	for (0 .. 3) {
1401	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1402	or next;	2093	or next;
1403	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1404	or next;	2095	or next;
1405	$neigh->load;	2096	$neigh->load;
1406		2097
		2098	push @neigh,
1407	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1408	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1409	}	2101	}
1410		2102
1411	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1412	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1413	or next;	2106	or next;
1414	$neigh->load;	2107	$neigh->load;
1415	}	2108	}
1416	}	2109	}
1417		2110
…		…
1422	}	2115	}
1423		2116
1424	sub do_load_sync {	2117	sub do_load_sync {
1425	my ($map) = @_;	2118	my ($map) = @_;
1426		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1427	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1428	}	2124	}
1429		2125
1430	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
1431	our $MAP_PREFETCHER = Coro::async {	2140	$MAP_PREFETCHER ||= cf::async {
1432	while () {	2141	$Coro::current->{desc} = "map prefetcher";
		2142
1433	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1435	or next;	2145	if (my $map = find $k) {
		2146	$map->load if $v;
		2147	}
		2148
1436	my $path = delete $MAP_PREFETCH{$key};	2149	delete $MAP_PREFETCH{$k};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}	2150	}
1442	Coro::schedule;	2151	}
		2152	undef $MAP_PREFETCHER;
1443	}	2153	};
1444	};
1445
1446	sub find_async {
1447	my ($path, $origin) = @_;
1448
1449	$path = new cf::path $path, $origin && $origin->path;
1450	my $key = $path->as_string;
1451
1452	if (my $map = $cf::MAP{$key}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}
1455
1456	$MAP_PREFETCH{$key} = $path;
1457	$MAP_PREFETCHER->ready;	2154	$MAP_PREFETCHER->prio (6);
1458		2155
1459	()	2156	()
1460	}	2157	}
1461		2158
1462	sub save {	2159	sub save {
1463	my ($self) = @_;	2160	my ($self) = @_;
1464		2161
1465	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1466		2163
1467	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1468		2165
1469	return unless $self->dirty;	2166	return unless $self->dirty;
1470		2167
1471	my $save = $self->{path}->save_path; utf8::encode $save;	2168	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2169	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		2170
1474	$self->{load_path} = $save;	2171	$self->{load_path} = $save;
1475		2172
1476	return if $self->{deny_save};	2173	return if $self->{deny_save};
1477		2174
1478	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1479		2176
1480	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1481	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1482	};	2180	};
1483		2181
1484	if ($uniq) {	2182	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	2184	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	2185	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	2187	}
1490	}	2188	}
1491		2189
1492	sub swap_out {	2190	sub swap_out {
1493	my ($self) = @_;	2191	my ($self) = @_;
1494		2192
1495	# save first because save cedes	2193	# save first because save cedes
1496	$self->save;	2194	$self->save;
1497		2195
1498	my $lock = cf::lock_acquire "map_data:" . $self->path;	2196	my $lock = cf::lock_acquire "map_data:$self->{path}";
1499		2197
1500	return if $self->players;	2198	return if $self->players;
1501	return if $self->in_memory != cf::MAP_IN_MEMORY;	2199	return if $self->in_memory != cf::MAP_IN_MEMORY;
1502	return if $self->{deny_save};	2200	return if $self->{deny_save};
1503		2201
		2202	$self->in_memory (cf::MAP_SWAPPED);
		2203
		2204	$self->deactivate;
		2205	$_->clear_links_to ($self) for values %cf::MAP;
1504	$self->clear;	2206	$self->clear;
1505	$self->in_memory (cf::MAP_SWAPPED);
1506	}	2207	}
1507		2208
1508	sub reset_at {	2209	sub reset_at {
1509	my ($self) = @_;	2210	my ($self) = @_;
1510		2211
1511	# TODO: safety, remove and allow resettable per-player maps	2212	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	2213	return 1e99 if $self->{deny_reset};
1514		2214
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2215	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2216	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		2217
…		…
1522	my ($self) = @_;	2222	my ($self) = @_;
1523		2223
1524	$self->reset_at <= $cf::RUNTIME	2224	$self->reset_at <= $cf::RUNTIME
1525	}	2225	}
1526		2226
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	2227	sub reset {
1549	my ($self) = @_;	2228	my ($self) = @_;
1550		2229
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2230	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2231
1553	return if $self->players;	2232	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2233
1556	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	}
1557		2245
1558	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1559		2247
		2248	$self->deactivate;
1560	$_->clear_links_to ($self) for values %cf::MAP;	2249	$_->clear_links_to ($self) for values %cf::MAP;
		2250	$self->clear;
1561		2251
1562	$self->unlink_save;	2252	$self->unlink_save;
1563	$self->destroy;	2253	$self->destroy;
1564	}	2254	}
1565		2255
1566	my $nuke_counter = "aaaa";	2256	my $nuke_counter = "aaaa";
1567		2257
1568	sub nuke {	2258	sub nuke {
1569	my ($self) = @_;	2259	my ($self) = @_;
1570		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};
1571	$self->{deny_save} = 1;	2270	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2271	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2272	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2273
		2274	$cf::MAP{$self->path} = $self;
		2275	}
		2276
1574	$self->reset; # polite request, might not happen	2277	$self->reset; # polite request, might not happen
1575	}	2278	}
1576		2279
1577	sub customise_for {	2280	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2281
1580	if ($map->per_player) {	2282	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2283	maps. May block.
		2284
		2285	=cut
		2286
		2287	sub tmp_maps() {
1582	}	2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise $_
		2293	: ()
		2294	} @{ aio_readdir $TMPDIR or [] }
		2295	]
		2296	}
1583		2297
1584	$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	]
1585	}	2314	}
1586		2315
1587	=item cf::map::unique_maps	2316	=item cf::map::unique_maps
1588		2317
1589	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
1590	instantiated unique items. May block.	2319	instantiated unique items. May block.
1591		2320
1592	=cut	2321	=cut
1593		2322
1594	sub unique_maps() {	2323	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2324	[
1596	or return;	2325	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2326	utf8::decode $_;
1602	next if /\.pst$/;	2327	/\.map$/
1603	next unless /^$PATH_SEP/o;	2328	? normalise $_
1604		2329	: ()
1605	push @paths, new cf::path $_;	2330	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2331	]
1607
1608	\@paths
1609	}	2332	}
1610		2333
1611	package cf;	2334	package cf;
1612		2335
1613	=back	2336	=back
…		…
1631	map { $_, inv_recursive_ $_->inv } @_	2354	map { $_, inv_recursive_ $_->inv } @_
1632	}	2355	}
1633		2356
1634	sub inv_recursive {	2357	sub inv_recursive {
1635	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	}
1636	}	2387	}
1637		2388
1638	package cf;	2389	package cf;
1639		2390
1640	=back	2391	=back
…		…
1659		2410
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2411	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2412
1662	if ($self->{record_replies}) {	2413	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2414	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2415
1664	} 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 {
1665	$msg = $npc->name . " says: $msg" if $npc;	2424	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2425	$self->message ($msg, $flags);
		2426	}
1667	}	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 (@_);
1668	}	2438	}
1669		2439
1670	=item $player_object->may ("access")	2440	=item $player_object->may ("access")
1671		2441
1672	Returns wether the given player is authorized to access resource "access"	2442	Returns wether the given player is authorized to access resource "access"
…		…
1685		2455
1686	=item $player_object->enter_link	2456	=item $player_object->enter_link
1687		2457
1688	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}>).
1689		2459
1690	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
1691	I<MUST> call C<leave_link> as soon as possible, though.	2461	I<MUST> call C<leave_link> as soon as possible, though.
1692		2462
		2463	Will never block.
		2464
1693	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
1694		2466
1695	Moves the player out of the specila link map onto the given map. If the	2467	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2468	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2469	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2470	fails, to the emergency map position.
1699		2471
1700	Might block.	2472	Might block.
1701		2473
1702	=cut	2474	=cut
		2475
		2476	sub link_map {
		2477	unless ($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	$LINK_MAP
		2484	}
1703		2485
1704	sub cf::object::player::enter_link {	2486	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2487	my ($self) = @_;
1706		2488
1707	$self->deactivate_recursive;	2489	$self->deactivate_recursive;
1708		2490
1709	return if $self->map == $LINK_MAP;	2491	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2492
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2494	if $self->map && $self->map->{path} ne "{link}";
1713		2495
1714	$self->enter_map ($LINK_MAP, 20, 20);	2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2497	}
1716		2498
1717	sub cf::object::player::leave_link {	2499	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2500	my ($self, $map, $x, $y) = @_;
		2501
		2502	return unless $self->contr->active;
1719		2503
1720	my $link_pos = delete $self->{_link_pos};	2504	my $link_pos = delete $self->{_link_pos};
1721		2505
1722	unless ($map) {	2506	unless ($map) {
1723	# restore original map position	2507	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1740		2524
1741	$map->load;	2525	$map->load;
1742	$map->load_diag;	2526	$map->load_neighbours;
1743		2527
1744	return unless $self->contr->active;	2528	return unless $self->contr->active;
1745	$self->activate_recursive;	2529	$self->activate_recursive;
		2530
		2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
1747	}	2533	}
1748		2534
1749	cf::player->attach (	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2536
1753	# abort map switching before logout	2537	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2538	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2539	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2540	the new (success) or old (failed) map position. In either case, $done will
1757	};	2541	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2542
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1784		2546
1785	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2549
1788	$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;
1789		2552
1790	$self->enter_link;	2553	$self->enter_link;
1791		2554
1792	(async {	2555	(async {
1793	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) {
1794	$map = $map->customise_for ($self) if $map;	2581	$map = $map->customise_for ($self);
1795		2582	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2583	} else {
1797	# if $map;
1798
1799	$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	}
1800		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};
1801	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1802	})->prio (1);	2601	})->prio (1);
1803	}	2602	}
1804		2603
1805	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1806		2605
…		…
1808		2607
1809	sub parse_random_map_params {	2608	sub parse_random_map_params {
1810	my ($spec) = @_;	2609	my ($spec) = @_;
1811		2610
1812	my $rmp = { # defaults	2611	my $rmp = { # defaults
1813	xsize => 10,	2612	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2613	ysize => (cf::rndm 15, 40),
		2614	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2615	#layout => string,
1815	};	2616	};
1816		2617
1817	for (split /\n/, $spec) {	2618	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2619	my ($k, $v) = split /\s+/, $_, 2;
1819		2620
…		…
1823	$rmp	2624	$rmp
1824	}	2625	}
1825		2626
1826	sub prepare_random_map {	2627	sub prepare_random_map {
1827	my ($exit) = @_;	2628	my ($exit) = @_;
		2629
		2630	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2631
1829	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2634	# that depends on the exit object
1832		2635
1833	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
1834		2637
1835	if ($exit->map) {	2638	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2639	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
1840	}	2643	}
1841		2644
1842	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
1843		2646
1844	my $data = cf::to_json $rmp;	2647	my $data = cf::encode_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
		2649	my $meta = "$RANDOMDIR/$md5.meta";
1846		2650
1847	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) {
1848	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;
1849		2655
1850	$exit->slaying ("?random/$md5");	2656	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2657	$exit->msg (undef);
1852	}	2658	}
1853	}	2659	}
…		…
1855	sub cf::object::player::enter_exit {	2661	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2662	my ($self, $exit) = @_;
1857		2663
1858	return unless $self->type == cf::PLAYER;	2664	return unless $self->type == cf::PLAYER;
1859		2665
		2666	if ($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
1860	$self->enter_link;	2677	$self->enter_link;
1861		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
1862	(async {	2683	(async {
		2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2685
1863	$self->deactivate_recursive; # just to be sure	2686	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2687	unless (eval {
1865	prepare_random_map $exit	2688	$self->goto ($slaying, $hp, $sp);
1866	if $exit->slaying eq "/!";
1867
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870		2689
1871	1;	2690	1;
1872	}) {	2691	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2692	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "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. "
1875	. "Please report this to the dungeon master!",	2694	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2695	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2696
1878	warn "ERROR in enter_exit: $@";	2697	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2698	$self->leave_link;
1880	}	2699	}
1881	})->prio (1);	2700	})->prio (1);
…		…
1894		2713
1895	sub cf::client::send_drawinfo {	2714	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2715	my ($self, $text, $flags) = @_;
1897		2716
1898	utf8::encode $text;	2717	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2718	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2719	}
1901		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	}
1902		2879
1903	=item $success = $client->query ($flags, "text", \&cb)	2880	=item $success = $client->query ($flags, "text", \&cb)
1904		2881
1905	Queues a query to the client, calling the given callback with	2882	Queues a query to the client, calling the given callback with
1906	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>,
1907	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>.
1908		2885
1909	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
1910	reliable at some point in the future.	2887	become reliable at some point in the future.
1911		2888
1912	=cut	2889	=cut
1913		2890
1914	sub cf::client::query {	2891	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2892	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2900	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2901	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2902
1926	$self->send_packet ($self->{query_queue}[0][0])	2903	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2904	if @{ $self->{query_queue} } == 1;
		2905
		2906	1
1928	}	2907	}
1929		2908
1930	cf::client->attach (	2909	cf::client->attach (
		2910	on_connect => sub {
		2911	my ($ns) = @_;
		2912
		2913	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2914	},
1931	on_reply => sub {	2915	on_reply => sub {
1932	my ($ns, $msg) = @_;	2916	my ($ns, $msg) = @_;
1933		2917
1934	# this weird shuffling is so that direct followup queries	2918	# this weird shuffling is so that direct followup queries
1935	# get handled first	2919	# get handled first
1936	my $queue = delete $ns->{query_queue}	2920	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2921	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2922
1939	(shift @$queue)->[1]->($msg);	2923	(shift @$queue)->[1]->($msg);
		2924	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2925
1941	push @{ $ns->{query_queue} }, @$queue;	2926	push @{ $ns->{query_queue} }, @$queue;
1942		2927
1943	if (@{ $ns->{query_queue} } == @$queue) {	2928	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2929	if (@$queue) {
…		…
1946	} else {	2931	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2932	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	2933	}
1949	}	2934	}
1950	},	2935	},
		2936	on_exticmd => sub {
		2937	my ($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	},
1951	);	2962	);
1952		2963
1953	=item $client->async (\&cb)	2964	=item $client->async (\&cb)
1954		2965
1955	Create a new coroutine, running the specified callback. The coroutine will	2966	Create a new coroutine, running the specified callback. The coroutine will
…		…
1996	our $safe = new Safe "safe";	3007	our $safe = new Safe "safe";
1997	our $safe_hole = new Safe::Hole;	3008	our $safe_hole = new Safe::Hole;
1998		3009
1999	$SIG{FPE} = 'IGNORE';	3010	$SIG{FPE} = 'IGNORE';
2000		3011
2001	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3012	$safe->permit_only (Opcode::opset qw(
		3013	:base_core :base_mem :base_orig :base_math
		3014	grepstart grepwhile mapstart mapwhile
		3015	sort time
		3016	));
2002		3017
2003	# here we export the classes and methods available to script code	3018	# here we export the classes and methods available to script code
2004		3019
2005	=pod	3020	=pod
2006		3021
2007	The following fucntions and emthods are available within a safe environment:	3022	The following functions and methods are available within a safe environment:
2008		3023
2009	cf::object contr pay_amount pay_player map	3024	cf::object
		3025	contr pay_amount pay_player map x y force_find force_add destroy
		3026	insert remove name archname title slaying race decrease_ob_nr
		3027
2010	cf::object::player player	3028	cf::object::player
2011	cf::player peaceful	3029	player
2012	cf::map trigger	3030
		3031	cf::player
		3032	peaceful
		3033
		3034	cf::map
		3035	trigger
2013		3036
2014	=cut	3037	=cut
2015		3038
2016	for (	3039	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	3040	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3041	insert remove inv name archname title slaying race
		3042	decrease_ob_nr destroy)],
2018	["cf::object::player" => qw(player)],	3043	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	3044	["cf::player" => qw(peaceful)],
2020	["cf::map" => qw(trigger)],	3045	["cf::map" => qw(trigger)],
2021	) {	3046	) {
2022	no strict 'refs';	3047	no strict 'refs';
…		…
2093	=back	3118	=back
2094		3119
2095	=cut	3120	=cut
2096		3121
2097	#############################################################################	3122	#############################################################################
		3123	# the server's init and main functions
2098		3124
2099	=head2 EXTENSION DATABASE SUPPORT	3125	sub load_facedata($) {
		3126	my ($path) = @_;
2100		3127
2101	Crossfire maintains a very simple database for extension use. It can	3128	# HACK to clear player env face cache, we need some signal framework
2102	currently store anything that can be serialised using Storable, which	3129	# for this (global event?)
2103	excludes objects.	3130	%ext::player_env::MUSIC_FACE_CACHE = ();
2104		3131
2105	The parameter C<$family> should best start with the name of the extension	3132	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2106	using it, it should be unique.
2107		3133
2108	=over 4	3134	warn "loading facedata from $path\n";
2109		3135
2110	=item $hashref = cf::db_get $family	3136	my $facedata;
		3137	0 < aio_load $path, $facedata
		3138	or die "$path: $!";
2111		3139
2112	Return a hashref for use by the extension C<$family>, which can be	3140	$facedata = Coro::Storable::thaw $facedata;
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115		3141
2116	=item $value = cf::db_get $family => $key	3142	$facedata->{version} == 2
		3143	or cf::cleanup "$path: version mismatch, cannot proceed.";
2117		3144
2118	Returns a single value from the database	3145	# patch in the exptable
2119		3146	$facedata->{resource}{"res/exp_table"} = {
2120	=item cf::db_put $family => $hashref	3147	type => FT_RSRC,
2121		3148	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124
2125	=item cf::db_put $family => $key => $value
2126
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137
2138	=cut
2139
2140	our $DB;
2141
2142	{
2143	my $path = cf::localdir . "/database.pst";
2144
2145	sub db_load() {
2146	$DB = stat $path ? Storable::retrieve $path : { };
2147	}
2148
2149	my $pid;
2150
2151	sub db_save() {
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	3149	};
		3150	cf::cede_to_tick;
2171		3151
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}	3152	{
		3153	my $faces = $facedata->{faceinfo};
2176		3154
2177	sub db_get($;$) {	3155	while (my ($face, $info) = each %$faces) {
2178	@_ >= 2	3156	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		3157
2183	sub db_put($$;$) {	3158	cf::face::set_visibility $idx, $info->{visibility};
2184	if (@_ >= 3) {	3159	cf::face::set_magicmap $idx, $info->{magicmap};
2185	$DB->{$_[0]}{$_[1]} = $_[2];	3160	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2186	} else {	3161	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191		3162
2192	cf::global->attach (	3163	cf::cede_to_tick;
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	3164	}
2197	);
2198	}
2199		3165
2200	#############################################################################	3166	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	3167	next unless $info->{smooth};
2202		3168
2203	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 {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	3311	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	3312	or return;
2206		3313
2207	local $/;	3314	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	3315	*CFG = YAML::Load <$fh>;
2209		3316
2210	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3317	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2211		3318
2212	$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};
2213	$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};
…		…
2223		3330
2224	sub main {	3331	sub main {
2225	# we must not ever block the main coroutine	3332	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	3333	local $Coro::idle = sub {
2227	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#
2228	async { Event::one_event };	3335	(async {
		3336	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3337	EV::loop EV::LOOP_ONESHOT;
		3338	})->prio (Coro::PRIO_MAX);
2229	};	3339	};
2230		3340
2231	cfg_load;	3341	reload_config;
2232	db_load;	3342	db_init;
2233	load_extensions;	3343	load_extensions;
		3344
		3345	$TICK_WATCHER->start;
		3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2234	Event::loop;	3347	EV::loop;
2235	}	3348	}
2236		3349
2237	#############################################################################	3350	#############################################################################
2238	# initialisation and cleanup	3351	# initialisation and cleanup
2239		3352
2240	# install some emergency cleanup handlers	3353	# install some emergency cleanup handlers
2241	BEGIN {	3354	BEGIN {
		3355	our %SIGWATCHER = ();
2242	for my $signal (qw(INT HUP TERM)) {	3356	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	3357	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2244	data => WF_AUTOCANCEL,
2245	signal => $signal,
2246	cb => sub {
2247	cf::cleanup "SIG$signal";	3358	cf::cleanup "SIG$signal";
2248	},
2249	);	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
2250	}	3398	1
2251	}	3399	}
2252		3400
2253	sub emergency_save() {	3401	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	3402	my $freeze_guard = cf::freeze_mainloop;
2255		3403
2256	warn "enter emergency perl save\n";	3404	warn "enter emergency perl save\n";
2257		3405
2258	cf::sync_job {	3406	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	3407	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	3408	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	3409	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	3410	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	3411	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	3412	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	3413	$pl->valid or next;
		3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2266	$pl->save;	3415	$pl->save;
2267	}	3416	}
2268	warn "end emergency player save\n";	3417	warn "end emergency player save\n";
2269		3418
2270	warn "begin emergency map save\n";	3419	warn "begin emergency map save\n";
…		…
2272	my $map = $cf::MAP{$path} or next;	3421	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	3422	$map->valid or next;
2274	$map->save;	3423	$map->save;
2275	}	3424	}
2276	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";
2277	};	3430	};
2278		3431
2279	warn "leave emergency perl save\n";	3432	warn "leave emergency perl save\n";
2280	}	3433	}
2281		3434
		3435	sub post_cleanup {
		3436	my ($make_core) = @_;
		3437
		3438	warn Carp::longmess "post_cleanup backtrace"
		3439	if $make_core;
		3440	}
		3441
2282	sub reload() {	3442	sub do_reload_perl() {
2283	# can/must only be called in main	3443	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3444	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	3445	warn "can only reload from main coroutine";
2286	return;	3446	return;
2287	}	3447	}
2288		3448
2289	warn "reloading...";	3449	warn "reloading...";
2290		3450
2291	warn "freezing server";	3451	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	3452
		3453	cf::sync_job {
		3454	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	3455	cf::emergency_save;
		3456	cf::write_runtime; # external watchdog should not bark
2294		3457
2295	warn "sync database to disk";	3458	warn "syncing database to disk";
2296	cf::db_sync;	3459	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		3460
2299	eval {
2300	# 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
2301		3462
2302	warn "cancel all watchers";	3463	warn "flushing outstanding aio requests";
2303	for (Event::all_watchers) {	3464	for (;;) {
2304	$_->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...";
2305	}	3470	}
2306		3471
		3472	++$RELOAD;
		3473
2307	warn "cancel all extension coros";	3474	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	3475	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	3476	%EXT_CORO = ();
2310		3477
2311	warn "remove commands";	3478	warn "removing commands";
2312	%COMMAND = ();	3479	%COMMAND = ();
2313		3480
2314	warn "remove ext commands";	3481	warn "removing ext/exti commands";
2315	%EXTCMD = ();	3482	%EXTCMD = ();
		3483	%EXTICMD = ();
2316		3484
2317	warn "unload/nuke all extensions";	3485	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	3486	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	3487	warn "... unloading $pkg";
2320		3488
2321	if (my $cb = $pkg->can ("unload")) {	3489	if (my $cb = $pkg->can ("unload")) {
2322	eval {	3490	eval {
2323	$cb->($pkg);	3491	$cb->($pkg);
2324	1	3492	1
2325	} or warn "$pkg unloaded, but with errors: $@";	3493	} or warn "$pkg unloaded, but with errors: $@";
2326	}	3494	}
2327		3495
		3496	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	3497	Symbol::delete_package $pkg;
2329	}	3498	}
2330		3499
2331	warn "unload all perl modules loaded from $LIBDIR";	3500	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	3501	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3502	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		3503
2335	warn "removing <$k>";	3504	warn "... unloading $k";
2336	delete $INC{$k};	3505	delete $INC{$k};
2337		3506
2338	$k =~ s/\.pm$//;	3507	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	3508	$k =~ s/\//::/g;
2340		3509
…		…
2343	}	3512	}
2344		3513
2345	Symbol::delete_package $k;	3514	Symbol::delete_package $k;
2346	}	3515	}
2347		3516
2348	warn "get rid of safe::, as good as possible";	3517	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	3518	Symbol::delete_package "safe::$_"
2350	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);
2351		3520
2352	warn "unload cf.pm \"a bit\"";	3521	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	3522	delete $INC{"cf.pm"};
		3523	delete $INC{"cf/pod.pm"};
2354		3524
2355	# don't, removes xs symbols, too,	3525	# don't, removes xs symbols, too,
2356	# and global variables created in xs	3526	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	3527	#Symbol::delete_package __PACKAGE__;
2358		3528
		3529	warn "unload completed, starting to reload now";
		3530
2359	warn "reloading cf.pm";	3531	warn "reloading cf.pm";
2360	require cf;	3532	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		3534
2363	warn "load config and database again";	3535	warn "loading config and database again";
2364	cf::cfg_load;	3536	cf::reload_config;
2365	cf::db_load;
2366		3537
2367	warn "load extensions";	3538	warn "loading extensions";
2368	cf::load_extensions;	3539	cf::load_extensions;
2369		3540
2370	warn "reattach attachments to objects/players";	3541	warn "reattaching attachments to objects/players";
2371	_global_reattach;	3542	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	3543	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	3544	reattach $_ for values %MAP;
2374	};	3545	warn "reattaching attachments to players";
		3546	reattach $_ for values %PLAYER;
2375		3547
2376	if ($@) {	3548	warn "leaving sync_job";
		3549
		3550	1
		3551	} or do {
2377	warn $@;	3552	warn $@;
2378	warn "error while reloading, exiting.";	3553	warn "error while reloading, exiting.";
2379	exit 1;	3554	exit 1;
2380	}	3555	};
2381		3556
2382	warn "reloaded";	3557	warn "reloaded";
2383	};	3558	};
2384		3559
2385	#############################################################################	3560	our $RELOAD_WATCHER; # used only during reload
2386		3561
2387	unless ($LINK_MAP) {	3562	sub reload_perl() {
2388	$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.
2389		3565
2390	$LINK_MAP->width (41);	3566	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2391	$LINK_MAP->height (41);	3567	undef $RELOAD_WATCHER;
2392	$LINK_MAP->alloc;	3568	do_reload_perl;
2393	$LINK_MAP->path ("{link}");	3569	};
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,
2400	cb => sub {
2401	$_[0]->w->cancel;
2402
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});
2421
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	3570	}
2427		3571
2428	register_command "reload" => sub {	3572	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	3573	my ($who, $arg) = @_;
2430		3574
2431	if ($who->flag (FLAG_WIZ)) {	3575	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	3576	$who->message ("reloading server.");
		3577	async {
		3578	$Coro::current->{desc} = "perl_reload";
		3579	reload_perl;
		3580	};
2435	}	3581	}
2436	};	3582	};
2437		3583
2438	unshift @INC, $LIBDIR;	3584	unshift @INC, $LIBDIR;
2439		3585
2440	$TICK_WATCHER = Event->timer (	3586	my $bug_warning = 0;
2441	reentrant => 0,	3587
2442	prio => 0,	3588	our @WAIT_FOR_TICK;
2443	at => $NEXT_TICK || $TICK,	3589	our @WAIT_FOR_TICK_BEGIN;
2444	data => WF_AUTOCANCEL,	3590
2445	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
2446	cf::server_tick; # one server iteration	3618	cf::server_tick; # one server iteration
		3619
2447	$RUNTIME += $TICK;	3620	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	3621	$NEXT_TICK = $_[0]->at;
2449		3622
2450	$WAIT_FOR_TICK->broadcast;	3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2452		3625	Coro::async_pool {
2453	# if we are delayed by four ticks or more, skip them all	3626	$Coro::current->{desc} = "runtime saver";
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2455
2456	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;
2458	},
2459	);
2460
2461	IO::AIO::max_poll_time $TICK * 0.2;
2462
2463	Event->io (
2464	fd => IO::AIO::poll_fileno,
2465	poll => 'r',
2466	prio => 5,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,
2473	after => 0,
2474	interval => 10,
2475	cb => sub {
2476	(Coro::unblock_sub {
2477	write_runtime	3627	write_runtime
2478	or warn "ERROR: unable to write runtime file: $!";	3628	or warn "ERROR: unable to write runtime file: $!";
2479	})->();	3629	};
2480	},	3630	}
2481	);	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;
2482		3737
2483	END { cf::emergency_save }	3738	END { cf::emergency_save }
2484		3739
2485	1	3740	1
2486		3741

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