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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.374 by root, Wed Sep 19 22:07:16 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	80	our $NEXT_TICK;
50	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
51		89
52	our %CFG;	90	our %CFG;
53		91
54	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	93	our $RUNTIME;
56		94
57	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		98
65	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
68	binmode STDOUT;	106	binmode STDOUT;
69	binmode STDERR;	107	binmode STDERR;
70		108
71	# read virtual server time, if available	109	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
76	}	114	}
77		115
78	mkdir cf::localdir;	116	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		118
84	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
		120
		121	sub cf::map::normalise;
85		122
86	#############################################################################	123	#############################################################################
87		124
88	=head2 GLOBAL VARIABLES	125	=head2 GLOBAL VARIABLES
89		126
…		…
96	=item $cf::RUNTIME	133	=item $cf::RUNTIME
97		134
98	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
99	every server tick.	136	every server tick.
100		137
101	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
102		141
103	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
104	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
105		146
106	=item $cf::NOW	147	=item $cf::NOW
107		148
108	The time of the last (current) server tick.	149	The time of the last (current) server tick.
109		150
110	=item $cf::TICK	151	=item $cf::TICK
111		152
112	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
113		164
114	=item %cf::CFG	165	=item %cf::CFG
115		166
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
117	from wherever your confdir points to.	168	from wherever your confdir points to.
118		169
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		171
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
123	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
125		181
126	=back	182	=back
127		183
128	=cut	184	=cut
129		185
130	BEGIN {	186	BEGIN {
131	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	188	my $msg = join "", @_;
133	utf8::encode $msg;
134		189
135	$msg .= "\n"	190	$msg .= "\n"
136	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
137		194
138	LOG llevError, $msg;	195	LOG llevError, $msg;
139	};	196	};
140	}	197	}
141		198
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
147	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
148		206
149	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
150	# within the Safe compartment.	208	# within the Safe compartment.
151	for my $pkg (qw(	209	for my $pkg (qw(
152	cf::global cf::attachable	210	cf::global cf::attachable
…		…
160	}	218	}
161		219
162	$Event::DIED = sub {	220	$Event::DIED = sub {
163	warn "error in event callback: @_";	221	warn "error in event callback: @_";
164	};	222	};
		223
		224	#############################################################################
165		225
166	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
167		227
168	=over 4	228	=over 4
169		229
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	249	$d
190	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
191	}	251	}
192		252
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
196		254
197	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
198		256
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
207		258
208	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
209		260
210	=cut	261	=cut
211		262
212	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
214	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
216		267
217	=item cf::lock_wait $string	268	=item cf::lock_wait $string
218		269
219	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
220		271
…		…
223	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
226	returned.	277	returned.
227		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
228	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
230		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
231	=cut	289	=cut
232		290
233	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
234		293
235	sub lock_wait($) {	294	sub lock_wait($) {
236	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
237		301
238	# wait for lock, if any	302	# wait for lock, if any
239	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	305	Coro::schedule;
…		…
247		311
248	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
249	lock_wait $key;	313	lock_wait $key;
250		314
251	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
252		317
253	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
256	}	322	}
257	}	323	}
258		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
259	sub freeze_mainloop {	331	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
261		333
262	my $guard = Coro::guard { $TICK_WATCHER->start };	334	my $guard = Coro::guard {
		335	$TICK_WATCHER->start;
		336	};
263	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
264	$guard	338	$guard
		339	}
		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
265	}	397	}
266		398
267	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
268		400
269	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		406
275	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
276		408
277	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
278		410
279	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
282		415
283	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
286	fast or be very important.	419	fast or be very important.
…		…
289		422
290	sub sync_job(&) {	423	sub sync_job(&) {
291	my ($job) = @_;	424	my ($job) = @_;
292		425
293	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
294	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
296		431
297	# TODO: use suspend/resume instead	432	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	433	# (but this is cancel-safe)
…		…
300		435
301	my $busy = 1;	436	my $busy = 1;
302	my @res;	437	my @res;
303		438
304	(async {	439	(async {
		440	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	441	@res = eval { $job->() };
306	warn $@ if $@;	442	warn $@ if $@;
307	undef $busy;	443	undef $busy;
308	})->prio (Coro::PRIO_MAX);	444	})->prio (Coro::PRIO_MAX);
309		445
310	while ($busy) {	446	while ($busy) {
311	Coro::cede or Event::one_event;	447	Coro::cede or Event::one_event;
312	}	448	}
		449
		450	$time = Event::time - $time;
		451
		452	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		453	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		454
		455	$tick_start += $time; # do not account sync jobs to server load
313		456
314	wantarray ? @res : $res[0]	457	wantarray ? @res : $res[0]
315	} else {	458	} else {
316	# we are in another coroutine, how wonderful, everything just works	459	# we are in another coroutine, how wonderful, everything just works
317		460
…		…
337	$EXT_CORO{$coro+0} = $coro;	480	$EXT_CORO{$coro+0} = $coro;
338		481
339	$coro	482	$coro
340	}	483	}
341		484
342	sub write_runtime {	485	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		486
345	my $runtime = cf::localdir . "/runtime";	487	Executes the given code block with the given arguments in a seperate
		488	process, returning the results. Everything must be serialisable with
		489	Coro::Storable. May, of course, block. Note that the executed sub may
		490	never block itself or use any form of Event handling.
346		491
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	492	=cut
348	or return;
349		493
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	494	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	495	my ($cb, @args) = @_;
352	and return;
353		496
354	aio_fsync $fh	497	# we seemingly have to make a local copy of the whole thing,
355	and return;	498	# otherwise perl prematurely frees the stuff :/
		499	# TODO: investigate and fix (likely this will be rather laborious)
356		500
357	close $fh	501	my @res = Coro::Util::fork_eval {
358	or return;	502	reset_signals;
		503	&$cb
		504	}, @args;
359		505
360	aio_rename "$runtime~", $runtime	506	wantarray ? @res : $res[-1]
361	and return;	507	}
362		508
		509	=item $value = cf::db_get $family => $key
		510
		511	Returns a single value from the environment database.
		512
		513	=item cf::db_put $family => $key => $value
		514
		515	Stores the given C<$value> in the family. It can currently store binary
		516	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		517
		518	=item $db = cf::db_table "name"
		519
		520	Create and/or open a new database table. The string must not be "db" and must be unique
		521	within each server.
		522
		523	=cut
		524
		525	sub db_table($) {
		526	my ($name) = @_;
		527	my $db = BDB::db_create $DB_ENV;
		528
		529	eval {
		530	$db->set_flags (BDB::CHKSUM);
		531
		532	utf8::encode $name;
		533	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		534	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		535	cf::cleanup "db_open(db): $!" if $!;
		536	};
		537	cf::cleanup "db_open(db): $@" if $@;
		538
		539	$db
		540	}
		541
		542	our $DB;
		543
		544	sub db_init {
		545	cf::sync_job {
		546	$DB ||= db_table "db";
		547	};
		548	}
		549
		550	sub db_get($$) {
		551	my $key = "$_[0]/$_[1]";
		552
		553	cf::sync_job {
		554	BDB::db_get $DB, undef, $key, my $data;
		555
		556	$! ? ()
		557	: $data
363	1	558	}
		559	}
		560
		561	sub db_put($$$) {
		562	BDB::dbreq_pri 4;
		563	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		564	}
		565
		566	=item cf::cache $id => [$paths...], $processversion => $process
		567
		568	Generic caching function that returns the value of the resource $id,
		569	caching and regenerating as required.
		570
		571	This function can block.
		572
		573	=cut
		574
		575	sub cache {
		576	my ($id, $src, $processversion, $process) = @_;
		577
		578	my $meta =
		579	join "\x00",
		580	$processversion,
		581	map {
		582	aio_stat $_
		583	and Carp::croak "$_: $!";
		584
		585	($_, (stat _)[7,9])
		586	} @$src;
		587
		588	my $dbmeta = db_get cache => "$id/meta";
		589	if ($dbmeta ne $meta) {
		590	# changed, we may need to process
		591
		592	my @data;
		593	my $md5;
		594
		595	for (0 .. $#$src) {
		596	0 <= aio_load $src->[$_], $data[$_]
		597	or Carp::croak "$src->[$_]: $!";
		598	}
		599
		600	# if processing is expensive, check
		601	# checksum first
		602	if (1) {
		603	$md5 =
		604	join "\x00",
		605	$processversion,
		606	map {
		607	cf::cede_to_tick;
		608	($src->[$_], Digest::MD5::md5_hex $data[$_])
		609	} 0.. $#$src;
		610
		611
		612	my $dbmd5 = db_get cache => "$id/md5";
		613	if ($dbmd5 eq $md5) {
		614	db_put cache => "$id/meta", $meta;
		615
		616	return db_get cache => "$id/data";
		617	}
		618	}
		619
		620	my $t1 = Time::HiRes::time;
		621	my $data = $process->(\@data);
		622	my $t2 = Time::HiRes::time;
		623
		624	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		625
		626	db_put cache => "$id/data", $data;
		627	db_put cache => "$id/md5" , $md5;
		628	db_put cache => "$id/meta", $meta;
		629
		630	return $data;
		631	}
		632
		633	db_get cache => "$id/data"
		634	}
		635
		636	=item cf::datalog type => key => value, ...
		637
		638	Log a datalog packet of the given type with the given key-value pairs.
		639
		640	=cut
		641
		642	sub datalog($@) {
		643	my ($type, %kv) = @_;
		644	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	645	}
365		646
366	=back	647	=back
367		648
368	=cut	649	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	656	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	657	to it. All such attachable objects support the following methods.
377		658
378	In the following description, CLASS can be any of C<global>, C<object>	659	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	660	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	661	Crossfire TRT).
381		662
382	=over 4	663	=over 4
383		664
384	=item $attachable->attach ($attachment, key => $value...)	665	=item $attachable->attach ($attachment, key => $value...)
385		666
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	780	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	781	our @CB_MAP = ();
501		782
502	my %attachment;	783	my %attachment;
503		784
		785	sub cf::attachable::thawer_merge {
		786	# simply override everything except _meta
		787	local $_[0]{_meta};
		788	%{$_[0]} = %{$_[1]};
		789	}
		790
504	sub _attach_cb($$$$) {	791	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	792	my ($registry, $event, $prio, $cb) = @_;
506		793
507	use sort 'stable';	794	use sort 'stable';
508		795
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	829	$registry = $CB_TYPE[$object_type] ||= [];
543		830
544	} elsif ($type eq "subtype") {	831	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	832	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	833	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	834	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		835
549	} elsif ($type eq "package") {	836	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	837	my $pkg = shift @arg;
551		838
552	while (my ($name, $id) = each %cb_id) {	839	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	868	_attach $registry, $klass, @attach;
582	}	869	}
583		870
584	$obj->{$name} = \%arg;	871	$obj->{$name} = \%arg;
585	} else {	872	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	873	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	874	}
588		875
589	$obj->{_attachment}{$name} = undef;	876	$obj->{_attachment}{$name} = undef;
590	}	877	}
591		878
…		…
593	if (ref $_[0]) {	880	if (ref $_[0]) {
594	_object_attach @_;	881	_object_attach @_;
595	} else {	882	} else {
596	_attach shift->_attach_registry, @_;	883	_attach shift->_attach_registry, @_;
597	}	884	}
		885	_recalc_want;
598	};	886	};
599		887
600	# all those should be optimised	888	# all those should be optimised
601	sub cf::attachable::detach {	889	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	890	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	893	delete $obj->{_attachment}{$name};
606	reattach ($obj);	894	reattach ($obj);
607	} else {	895	} else {
608	Carp::croak "cannot, currently, detach class attachments";	896	Carp::croak "cannot, currently, detach class attachments";
609	}	897	}
		898	_recalc_want;
610	};	899	};
611		900
612	sub cf::attachable::attached {	901	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	902	my ($obj, $name) = @_;
614		903
…		…
629	";	918	";
630	die if $@;	919	die if $@;
631	}	920	}
632		921
633	our $override;	922	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	923	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		924
636	sub override {	925	sub override {
637	$override = 1;	926	$override = 1;
638	@invoke_results = ();	927	@INVOKE_RESULTS = (@_);
639	}	928	}
640		929
641	sub do_invoke {	930	sub do_invoke {
642	my $event = shift;	931	my $event = shift;
643	my $callbacks = shift;	932	my $callbacks = shift;
644		933
645	@invoke_results = ();	934	@INVOKE_RESULTS = ();
646		935
647	local $override;	936	local $override;
648		937
649	for (@$callbacks) {	938	for (@$callbacks) {
650	eval { &{$_->[1]} };	939	eval { &{$_->[1]} };
…		…
667		956
668	Generate an object-specific event with the given arguments.	957	Generate an object-specific event with the given arguments.
669		958
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	959	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
671	removed in future versions), and there is no public API to access override	960	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	961	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		962
674	=back	963	=back
675		964
676	=cut	965	=cut
677		966
678	#############################################################################	967	#############################################################################
679	# object support	968	# object support
		969	#
		970
		971	sub _can_merge {
		972	my ($ob1, $ob2) = @_;
		973
		974	local $Storable::canonical = 1;
		975	my $fob1 = Storable::freeze $ob1;
		976	my $fob2 = Storable::freeze $ob2;
		977
		978	$fob1 eq $fob2
		979	}
680		980
681	sub reattach {	981	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	982	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	983	my ($obj) = @_;
		984
		985	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		986
685	my $registry = $obj->registry;	987	my $registry = $obj->registry;
686		988
687	@$registry = ();	989	@$registry = ();
688		990
…		…
729	sub object_freezer_save {	1031	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1032	my ($filename, $rdata, $objs) = @_;
731		1033
732	sync_job {	1034	sync_job {
733	if (length $$rdata) {	1035	if (length $$rdata) {
		1036	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1037	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1038	$decname, length $$rdata, scalar @$objs;
736		1039
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1041	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1043	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1044	close $fh;
742		1045
743	if (@$objs) {	1046	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1047	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1048	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1049	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1050	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1051	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1052	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1053	aio_rename "$filename.pst~", "$filename.pst";
751	}	1054	}
752	} else {	1055	} else {
753	aio_unlink "$filename.pst";	1056	aio_unlink "$filename.pst";
…		…
759	}	1062	}
760	} else {	1063	} else {
761	aio_unlink $filename;	1064	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
763	}	1066	}
764	}	1067	};
765	}	1068	}
766		1069
767	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
769		1072
…		…
781	or return;	1084	or return;
782		1085
783	unless (aio_stat "$filename.pst") {	1086	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1087	(aio_load "$filename.pst", $av) >= 0
785	or return;	1088	or return;
		1089
786	$av = eval { (Storable::thaw $av)->{objs} };	1090	$av = eval { (Storable::thaw $av)->{objs} };
787	}	1091	}
788		1092
		1093	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1094	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1095	$decname, length $data, scalar @{$av || []};
		1096
791	return ($data, $av);	1097	($data, $av)
792	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
793		1105
794	#############################################################################	1106	#############################################################################
795	# command handling &c	1107	# command handling &c
796		1108
797	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1123	}
812		1124
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1126
815	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
816		1132
817	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
818	called.	1134	called.
819		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
820	=cut	1147	=cut
821		1148
822	sub register_extcmd {	1149	sub register_extcmd {
823	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
824		1151
825	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
826	}	1159	}
827		1160
828	cf::player->attach (	1161	cf::player->attach (
829	on_command => sub {	1162	on_command => sub {
830	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1172	cf::override;
840	},	1173	},
841	on_extcmd => sub {	1174	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
843		1176
844	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1178
846	if (ref $msg) {	1179	if (ref $msg) {
		1180	my ($type, $reply, @payload) =
		1181	"ARRAY" eq ref $msg
		1182	? @$msg
		1183	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1184
		1185	my @reply;
		1186
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1187	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1188	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1189	}
		1190
		1191	$pl->ext_reply ($reply, @reply)
		1192	if $reply;
		1193
852	} else {	1194	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1195	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1196	}
855		1197
856	cf::override;	1198	cf::override;
857	},	1199	},
858	);	1200	);
859		1201
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1202	sub load_extensions {
		1203	cf::sync_job {
		1204	my %todo;
		1205
895	for my $ext (<$LIBDIR/*.ext>) {	1206	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1207	next unless -r $path;
897	eval {	1208
898	load_extension $ext;	1209	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1210	my $base = $1;
		1211	my $pkg = $1;
		1212	$pkg =~ s/[^[:word:]]/_/g;
		1213	$pkg = "ext::$pkg";
		1214
		1215	open my $fh, "<:utf8", $path
		1216	or die "$path: $!";
		1217
		1218	my $source = do { local $/; <$fh> };
		1219
		1220	my %ext = (
		1221	path => $path,
		1222	base => $base,
		1223	pkg => $pkg,
		1224	);
		1225
		1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1228
		1229	$ext{source} =
		1230	"package $pkg; use strict; use utf8;\n"
		1231	. "#line 1 \"$path\"\n{\n"
		1232	. $source
		1233	. "\n};\n1";
		1234
		1235	$todo{$base} = \%ext;
		1236	}
		1237
		1238	my %done;
		1239	while (%todo) {
		1240	my $progress;
		1241
		1242	while (my ($k, $v) = each %todo) {
		1243	for (split /,\s*/, $v->{meta}{depends}) {
		1244	goto skip
		1245	unless exists $done{$_};
		1246	}
		1247
		1248	warn "... loading '$k' into '$v->{pkg}'\n";
		1249
		1250	unless (eval $v->{source}) {
		1251	my $msg = $@ ? "$v->{path}: $@\n"
		1252	: "$v->{base}: extension inactive.\n";
		1253
		1254	if (exists $v->{meta}{mandatory}) {
		1255	warn $msg;
		1256	warn "mandatory extension failed to load, exiting.\n";
		1257	exit 1;
		1258	}
		1259
		1260	warn $msg;
		1261	}
		1262
		1263	$done{$k} = delete $todo{$k};
		1264	push @EXTS, $v->{pkg};
		1265	$progress = 1;
899	1	1266	}
900	} or warn "$ext not loaded: $@";	1267
		1268	skip:
		1269	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1270	unless $progress;
		1271	}
901	}	1272	};
902	}	1273	}
903		1274
904	#############################################################################	1275	#############################################################################
905	# load/save/clean perl data associated with a map
906		1276
907	*cf::mapsupport::on_clean = sub {	1277	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1278
920	=head2 CORE EXTENSIONS	1279	=head2 CORE EXTENSIONS
921		1280
922	Functions and methods that extend core crossfire objects.	1281	Functions and methods that extend core crossfire objects.
923		1282
…		…
929		1288
930	=head3 cf::player	1289	=head3 cf::player
931		1290
932	=over 4	1291	=over 4
933		1292
		1293	=item cf::player::num_playing
		1294
		1295	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1296
		1297	=cut
		1298
		1299	sub num_playing {
		1300	scalar grep
		1301	$_->ob->map
		1302	&& !$_->hidden
		1303	&& !$_->ob->flag (cf::FLAG_WIZ),
		1304	cf::player::list
		1305	}
		1306
934	=item cf::player::find $login	1307	=item cf::player::find $login
935		1308
936	Returns the given player object, loading it if necessary (might block).	1309	Returns the given player object, loading it if necessary (might block).
937		1310
938	=cut	1311	=cut
939		1312
940	sub playerdir($) {	1313	sub playerdir($) {
941	cf::localdir	1314	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1315	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1316	}
947		1317
948	sub path($) {	1318	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1319	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1320
951	(playerdir $login) . "/$login.pl"	1321	(playerdir $login) . "/playerdata"
952	}	1322	}
953		1323
954	sub find_active($) {	1324	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1325	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1326	and $cf::PLAYER{$_[0]}->active
…		…
959		1329
960	sub exists($) {	1330	sub exists($) {
961	my ($login) = @_;	1331	my ($login) = @_;
962		1332
963	$cf::PLAYER{$login}	1333	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1334	or cf::sync_job { !aio_stat path $login }
965	}	1335	}
966		1336
967	sub find($) {	1337	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1338	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1339	my $login = $_[0];
970		1340
971	my $guard = cf::lock_acquire "user_find:$login";	1341	my $guard = cf::lock_acquire "user_find:$login";
972		1342
973	$cf::PLAYER{$_[0]} || do {	1343	$cf::PLAYER{$_[0]} || do {
974	my $pl = load_pl path $login	1344	# rename old playerfiles to new ones
		1345	#TODO: remove when no longer required
		1346	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1347	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1348	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1349	aio_unlink +(playerdir $login) . "/$login.pl";
		1350
		1351	my $f = new_from_file cf::object::thawer path $login
975	or return;	1352	or return;
		1353
		1354	my $pl = cf::player::load_pl $f
		1355	or return;
		1356	local $cf::PLAYER_LOADING{$login} = $pl;
		1357	$f->resolve_delayed_derefs;
976	$cf::PLAYER{$login} = $pl	1358	$cf::PLAYER{$login} = $pl
977	}	1359	}
978	}	1360	}
979	}	1361	}
980		1362
…		…
990		1372
991	aio_mkdir playerdir $pl, 0770;	1373	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1374	$pl->{last_save} = $cf::RUNTIME;
993		1375
994	$pl->save_pl ($path);	1376	$pl->save_pl ($path);
995	Coro::cede;	1377	cf::cede_to_tick;
996	}	1378	}
997		1379
998	sub new($) {	1380	sub new($) {
999	my ($login) = @_;	1381	my ($login) = @_;
1000		1382
…		…
1006	$cf::PLAYER{$login} = $self;	1388	$cf::PLAYER{$login} = $self;
1007		1389
1008	$self	1390	$self
1009	}	1391	}
1010		1392
		1393	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1394
		1395	=cut
		1396
		1397	sub send_msg {
		1398	my $ns = shift->ns
		1399	or return;
		1400	$ns->send_msg (@_);
		1401	}
		1402
1011	=item $pl->quit_character	1403	=item $pl->quit_character
1012		1404
1013	Nukes the player without looking back. If logged in, the connection will	1405	Nukes the player without looking back. If logged in, the connection will
1014	be destroyed. May block for a long time.	1406	be destroyed. May block for a long time.
1015		1407
1016	=cut	1408	=cut
1017		1409
1018	sub quit_character {	1410	sub quit_character {
1019	my ($pl) = @_;	1411	my ($pl) = @_;
		1412
		1413	my $name = $pl->ob->name;
1020		1414
1021	$pl->{deny_save} = 1;	1415	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1416	$pl->password ("*"); # this should lock out the player until we nuked the dir
1023		1417
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1418	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1029	my $path = playerdir $pl;	1423	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1424	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1425	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1426	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1427	$pl->destroy;
		1428
		1429	my $prefix = qr<^~\Q$name\E/>;
		1430
		1431	# nuke player maps
		1432	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1433
1034	IO::AIO::aio_rmtree $temp;	1434	IO::AIO::aio_rmtree $temp;
		1435	}
		1436
		1437	=item $pl->kick
		1438
		1439	Kicks a player out of the game. This destroys the connection.
		1440
		1441	=cut
		1442
		1443	sub kick {
		1444	my ($pl, $kicker) = @_;
		1445
		1446	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1447	$pl->killer ("kicked");
		1448	$pl->ns->destroy;
1035	}	1449	}
1036		1450
1037	=item cf::player::list_logins	1451	=item cf::player::list_logins
1038		1452
1039	Returns am arrayref of all valid playernames in the system, can take a	1453	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1454	while and may block, so not sync_job-capable, ever.
1041		1455
1042	=cut	1456	=cut
1043		1457
1044	sub list_logins {	1458	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1459	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1460	or return [];
1047		1461
1048	my @logins;	1462	my @logins;
1049		1463
1050	for my $login (@$dirs) {	1464	for my $login (@$dirs) {
		1465	my $path = path $login;
		1466
		1467	# a .pst is a dead give-away for a valid player
		1468	unless (-e "$path.pst") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1470	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1471	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1472	}
1054		1473
1055	utf8::decode $login;	1474	utf8::decode $login;
1056	push @logins, $login;	1475	push @logins, $login;
1057	}	1476	}
1058		1477
…		…
1066		1485
1067	=cut	1486	=cut
1068		1487
1069	sub maps($) {	1488	sub maps($) {
1070	my ($pl) = @_;	1489	my ($pl) = @_;
		1490
		1491	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1492
1072	my $files = aio_readdir playerdir $pl	1493	my $files = aio_readdir playerdir $pl
1073	or return;	1494	or return;
1074		1495
1075	my @paths;	1496	my @paths;
…		…
1077	for (@$files) {	1498	for (@$files) {
1078	utf8::decode $_;	1499	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1500	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1501	next unless /^$PATH_SEP/o;
1081		1502
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1503	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1504	}
1084		1505
1085	\@paths	1506	\@paths
1086	}	1507	}
1087		1508
		1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1510
		1511	Expand crossfire pod fragments into protocol xml.
		1512
		1513	=cut
		1514
		1515	sub expand_cfpod {
		1516	((my $self), (local $_)) = @_;
		1517
		1518	# escape & and <
		1519	s/&/&amp;/g;
		1520	s/(?<![BIUGHT])</&lt;/g;
		1521
		1522	# this is buggy, it needs to properly take care of nested <'s
		1523
		1524	1 while
		1525	# replace B<>, I<>, U<> etc.
		1526	s/B<([^\>]*)>/<b>$1<\/b>/
		1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1530	# replace G<male|female> tags
		1531	|| s{G<([^>|]*)\|([^>]*)>}{
		1532	$self->gender ? $2 : $1
		1533	}ge
		1534	# replace H<hint text>
		1535	|| s{H<([^\>]*)>}
		1536	{
		1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1539	"")
		1540	[$self->{hintmode}]
		1541	}ge;
		1542
		1543	# create single paragraphs (very hackish)
		1544	s/(?<=\S)\n(?=\w)/ /g;
		1545
		1546	# compress some whitespace
		1547	s/\s+\n/\n/g; # ws line-ends
		1548	s/\n\n+/\n/g; # double lines
		1549	s/^\n+//; # beginning lines
		1550	s/\n+$//; # ending lines
		1551
		1552	$_
		1553	}
		1554
		1555	sub hintmode {
		1556	$_[0]{hintmode} = $_[1] if @_ > 1;
		1557	$_[0]{hintmode}
		1558	}
		1559
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1560	=item $player->ext_reply ($msgid, @msg)
1089		1561
1090	Sends an ext reply to the player.	1562	Sends an ext reply to the player.
1091		1563
1092	=cut	1564	=cut
1093		1565
1094	sub ext_reply($$$%) {	1566	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1567	my ($self, $id, @msg) = @_;
1096		1568
1097	$msg{msgid} = $id;	1569	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1570	}
1101		1571
1102	package cf;	1572	=item $player->ext_msg ($type, @msg)
		1573
		1574	Sends an ext event to the client.
		1575
		1576	=cut
		1577
		1578	sub ext_msg($$@) {
		1579	my ($self, $type, @msg) = @_;
		1580
		1581	$self->ns->ext_msg ($type, @msg);
		1582	}
		1583
		1584	=head3 cf::region
		1585
		1586	=over 4
		1587
		1588	=cut
		1589
		1590	package cf::region;
		1591
		1592	=item cf::region::find_by_path $path
		1593
		1594	Tries to decuce the likely region for a map knowing only its path.
		1595
		1596	=cut
		1597
		1598	sub find_by_path($) {
		1599	my ($path) = @_;
		1600
		1601	my ($match, $specificity);
		1602
		1603	for my $region (list) {
		1604	if ($region->{match} && $path =~ $region->{match}) {
		1605	($match, $specificity) = ($region, $region->specificity)
		1606	if $region->specificity > $specificity;
		1607	}
		1608	}
		1609
		1610	$match
		1611	}
1103		1612
1104	=back	1613	=back
1105
1106		1614
1107	=head3 cf::map	1615	=head3 cf::map
1108		1616
1109	=over 4	1617	=over 4
1110		1618
…		…
1114		1622
1115	use Fcntl;	1623	use Fcntl;
1116	use Coro::AIO;	1624	use Coro::AIO;
1117		1625
1118	use overload	1626	use overload
1119	'""' => \&as_string;	1627	'""' => \&as_string,
		1628	fallback => 1;
1120		1629
1121	our $MAX_RESET = 3600;	1630	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1631	our $DEFAULT_RESET = 3000;
1123		1632
1124	sub generate_random_map {	1633	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1634	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1635	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1636	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1637	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1638	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1639	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1646	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1647	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1648	)
1141	}	1649	}
1142		1650
		1651	=item cf::map->register ($regex, $prio)
		1652
		1653	Register a handler for the map path matching the given regex at the
		1654	givne priority (higher is better, built-in handlers have priority 0, the
		1655	default).
		1656
		1657	=cut
		1658
1143	sub register {	1659	sub register {
1144	my (undef, $regex) = @_;	1660	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1661	my $pkg = caller;
1146		1662
1147	no strict;	1663	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1664	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1665
1150	$EXT_MAP{$pkg} = qr<$regex>;	1666	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1667	}
1152		1668
1153	# also paths starting with '/'	1669	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1670	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1671
		1672	sub thawer_merge {
		1673	my ($self, $merge) = @_;
		1674
		1675	# we have to keep some variables in memory intact
		1676	local $self->{path};
		1677	local $self->{load_path};
		1678
		1679	$self->SUPER::thawer_merge ($merge);
		1680	}
1155		1681
1156	sub normalise {	1682	sub normalise {
1157	my ($path, $base) = @_;	1683	my ($path, $base) = @_;
		1684
		1685	$path = "$path"; # make sure its a string
		1686
		1687	$path =~ s/\.map$//;
1158		1688
1159	# map plan:	1689	# map plan:
1160	#	1690	#
1161	# /! non-realised random map exit (special hack!)	1691	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1692	# {... are special paths that are not being touched
…		…
1190		1720
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1721	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1722
1193	$path = normalise $path, $base;	1723	$path = normalise $path, $base;
1194		1724
1195	for my $pkg (keys %EXT_MAP) {	1725	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1726	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1727	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1728	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1729	$self->init; # pass $1 etc.
1200	return $self;	1730	return $self;
1201	}	1731	}
1202	}	1732	}
1203		1733
1204	Carp::carp "unable to resolve path '$path'.";	1734	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1735	()
1206	}	1736	}
1207		1737
1208	sub init {	1738	sub init {
1209	my ($self) = @_;	1739	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1750	# the displayed name, this is a one way mapping
1221	sub visible_name {	1751	sub visible_name {
1222	&as_string	1752	&as_string
1223	}	1753	}
1224		1754
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1755	# the original (read-only) location
1233	sub load_path {	1756	sub load_path {
1234	my ($self) = @_;	1757	my ($self) = @_;
1235		1758
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1759	"$MAPDIR/$self->{path}.map"
1237	}	1760	}
1238		1761
1239	# the temporary/swap location	1762	# the temporary/swap location
1240	sub save_path {	1763	sub save_path {
1241	my ($self) = @_;	1764	my ($self) = @_;
1242		1765
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1766	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1767	"$TMPDIR/$path.map"
1244	}	1768	}
1245		1769
1246	# the unique path, undef == no special unique path	1770	# the unique path, undef == no special unique path
1247	sub uniq_path {	1771	sub uniq_path {
1248	my ($self) = @_;	1772	my ($self) = @_;
1249		1773
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1774	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1775	"$UNIQUEDIR/$path"
1251	}	1776	}
1252		1777
1253	# and all this just because we cannot iterate over	1778	# and all this just because we cannot iterate over
1254	# all maps in C++...	1779	# all maps in C++...
1255	sub change_all_map_light {	1780	sub change_all_map_light {
…		…
1257		1782
1258	$_->change_map_light ($change)	1783	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1784	for grep $_->outdoor, values %cf::MAP;
1260	}	1785	}
1261		1786
		1787	sub decay_objects {
		1788	my ($self) = @_;
		1789
		1790	return if $self->{deny_reset};
		1791
		1792	$self->do_decay_objects;
		1793	}
		1794
1262	sub unlink_save {	1795	sub unlink_save {
1263	my ($self) = @_;	1796	my ($self) = @_;
1264		1797
1265	utf8::encode (my $save = $self->save_path);	1798	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1799	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1800	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1801	}
1269		1802
1270	sub load_header_from($) {	1803	sub load_header_from($) {
1271	my ($self, $path) = @_;	1804	my ($self, $path) = @_;
1272		1805
1273	utf8::encode $path;	1806	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1807	my $f = new_from_file cf::object::thawer $path
1275	or return;	1808	or return;
1276		1809
1277	$self->_load_header ($path)	1810	$self->_load_header ($f)
1278	or return;	1811	or return;
1279		1812
		1813	local $MAP_LOADING{$self->{path}} = $self;
		1814	$f->resolve_delayed_derefs;
		1815
1280	$self->{load_path} = $path;	1816	$self->{load_path} = $path;
1281		1817
1282	1	1818	1
1283	}	1819	}
1284		1820
1285	sub load_orig {	1821	sub load_header_orig {
1286	my ($self) = @_;	1822	my ($self) = @_;
1287		1823
1288	$self->load_header_from ($self->load_path)	1824	$self->load_header_from ($self->load_path)
1289	}	1825	}
1290		1826
1291	sub load_temp {	1827	sub load_header_temp {
1292	my ($self) = @_;	1828	my ($self) = @_;
1293		1829
1294	$self->load_header_from ($self->save_path)	1830	$self->load_header_from ($self->save_path)
		1831	}
		1832
		1833	sub prepare_temp {
		1834	my ($self) = @_;
		1835
		1836	$self->last_access ((delete $self->{last_access})
		1837	|| $cf::RUNTIME); #d#
		1838	# safety
		1839	$self->{instantiate_time} = $cf::RUNTIME
		1840	if $self->{instantiate_time} > $cf::RUNTIME;
		1841	}
		1842
		1843	sub prepare_orig {
		1844	my ($self) = @_;
		1845
		1846	$self->{load_original} = 1;
		1847	$self->{instantiate_time} = $cf::RUNTIME;
		1848	$self->last_access ($cf::RUNTIME);
		1849	$self->instantiate;
1295	}	1850	}
1296		1851
1297	sub load_header {	1852	sub load_header {
1298	my ($self) = @_;	1853	my ($self) = @_;
1299		1854
1300	if ($self->load_temp) {	1855	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1856	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1857	} else {
1307	$self->load_orig	1858	$self->load_header_orig
1308	or return;	1859	or return;
1309		1860	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	1861	}
		1862
		1863	$self->{deny_reset} = 1
		1864	if $self->no_reset;
		1865
		1866	$self->default_region (cf::region::find_by_path $self->{path})
		1867	unless $self->default_region;
1315		1868
1316	1	1869	1
1317	}	1870	}
1318		1871
1319	sub find;	1872	sub find;
1320	sub find {	1873	sub find {
1321	my ($path, $origin) = @_;	1874	my ($path, $origin) = @_;
1322		1875
1323	$path = normalise $path, $origin && $origin->path;	1876	$path = normalise $path, $origin && $origin->path;
1324		1877
		1878	cf::lock_wait "map_data:$path";#d#remove
1325	cf::lock_wait "map_find:$path";	1879	cf::lock_wait "map_find:$path";
1326		1880
1327	$cf::MAP{$path} || do {	1881	$cf::MAP{$path} || do {
1328	my $guard = cf::lock_acquire "map_find:$path";	1882	my $guard1 = cf::lock_acquire "map_find:$path";
		1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1884
1329	my $map = new_from_path cf::map $path	1885	my $map = new_from_path cf::map $path
1330	or return;	1886	or return;
1331		1887
1332	$map->{last_save} = $cf::RUNTIME;	1888	$map->{last_save} = $cf::RUNTIME;
1333		1889
1334	$map->load_header	1890	$map->load_header
1335	or return;	1891	or return;
1336		1892
1337	if ($map->should_reset) {	1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1894	# doing this can freeze the server in a sync job, obviously
		1895	#$cf::WAIT_FOR_TICK->wait;
		1896	undef $guard1;
		1897	undef $guard2;
1338	$map->reset;	1898	$map->reset;
1339	undef $guard;
1340	$map = find $path	1899	return find $path;
1341	or return;
1342	}	1900	}
1343		1901
1344	$cf::MAP{$path} = $map	1902	$cf::MAP{$path} = $map
1345	}	1903	}
1346	}	1904	}
		1905
		1906	sub pre_load { }
		1907	sub post_load { }
1347		1908
1348	sub load {	1909	sub load {
1349	my ($self) = @_;	1910	my ($self) = @_;
1350		1911
		1912	local $self->{deny_reset} = 1; # loading can take a long time
		1913
1351	my $path = $self->{path};	1914	my $path = $self->{path};
		1915
		1916	{
1352	my $guard = cf::lock_acquire "map_load:$path";	1917	my $guard = cf::lock_acquire "map_data:$path";
1353		1918
		1919	return unless $self->valid;
1354	return if $self->in_memory != cf::MAP_SWAPPED;	1920	return unless $self->in_memory == cf::MAP_SWAPPED;
1355		1921
1356	$self->in_memory (cf::MAP_LOADING);	1922	$self->in_memory (cf::MAP_LOADING);
1357		1923
1358	$self->alloc;	1924	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)	1925
		1926	$self->pre_load;
		1927	cf::cede_to_tick;
		1928
		1929	my $f = new_from_file cf::object::thawer $self->{load_path};
		1930	$f->skip_block;
		1931	$self->_load_objects ($f)
1360	or return;	1932	or return;
1361		1933
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1363	if delete $self->{load_original};	1935	if delete $self->{load_original};
1364		1936
1365	if (my $uniq = $self->uniq_path) {	1937	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	1938	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	1939	unless (aio_stat $uniq) {
		1940	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	1941	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	1942	$self->_load_objects ($f);
		1943	$f->resolve_delayed_derefs;
		1944	}
1370	}	1945	}
1371	}	1946	}
1372		1947
1373	Coro::cede;	1948	$f->resolve_delayed_derefs;
1374		1949
		1950	cf::cede_to_tick;
1375	# now do the right thing for maps	1951	# now do the right thing for maps
1376	$self->link_multipart_objects;	1952	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1953	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1954	unless $self->difficulty;
1386	Coro::cede;	1955	cf::cede_to_tick;
		1956
		1957	unless ($self->{deny_activate}) {
		1958	$self->decay_objects;
		1959	$self->fix_auto_apply;
		1960	$self->update_buttons;
		1961	cf::cede_to_tick;
		1962	$self->set_darkness_map;
		1963	cf::cede_to_tick;
1387	$self->activate;	1964	$self->activate;
1388	}	1965	}
1389		1966
		1967	$self->{last_save} = $cf::RUNTIME;
		1968	$self->last_access ($cf::RUNTIME);
		1969
1390	$self->in_memory (cf::MAP_IN_MEMORY);	1970	$self->in_memory (cf::MAP_IN_MEMORY);
		1971	}
		1972
		1973	$self->post_load;
1391	}	1974	}
1392		1975
1393	sub customise_for {	1976	sub customise_for {
1394	my ($self, $ob) = @_;	1977	my ($self, $ob) = @_;
1395		1978
1396	return find "~" . $ob->name . "/" . $self->{path}	1979	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	1980	if $self->per_player;
1398		1981
		1982	# return find "?party/" . $ob->name . "/" . $self->{path}
		1983	# if $self->per_party;
		1984
1399	$self	1985	$self
1400	}	1986	}
1401		1987
1402	# find and load all maps in the 3x3 area around a map	1988	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	1989	sub load_neighbours {
1404	my ($map) = @_;	1990	my ($map) = @_;
1405		1991
1406	my @diag; # diagonal neighbours	1992	my @neigh; # diagonal neighbours
1407		1993
1408	for (0 .. 3) {	1994	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	1995	my $neigh = $map->tile_path ($_)
1410	or next;	1996	or next;
1411	$neigh = find $neigh, $map	1997	$neigh = find $neigh, $map
1412	or next;	1998	or next;
1413	$neigh->load;	1999	$neigh->load;
1414		2000
		2001	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2002	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2003	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	2004	}
1418		2005
1419	for (@diag) {	2006	for (grep defined $_->[0], @neigh) {
		2007	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	2008	my $neigh = find $path, $origin
1421	or next;	2009	or next;
1422	$neigh->load;	2010	$neigh->load;
1423	}	2011	}
1424	}	2012	}
1425		2013
…		…
1430	}	2018	}
1431		2019
1432	sub do_load_sync {	2020	sub do_load_sync {
1433	my ($map) = @_;	2021	my ($map) = @_;
1434		2022
		2023	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2024	if $Coro::current == $Coro::main;
		2025
1435	cf::sync_job { $map->load };	2026	cf::sync_job { $map->load };
1436	}	2027	}
1437		2028
1438	our %MAP_PREFETCH;	2029	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	2030	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		2031
1452	sub find_async {	2032	sub find_async {
1453	my ($path, $origin) = @_;	2033	my ($path, $origin, $load) = @_;
1454		2034
1455	$path = normalise $path, $origin && $origin->{path};	2035	$path = normalise $path, $origin && $origin->{path};
1456		2036
1457	if (my $map = $cf::MAP{$path}) {	2037	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2039	}
		2040
		2041	$MAP_PREFETCH{$path} |= $load;
		2042
		2043	$MAP_PREFETCHER ||= cf::async {
		2044	$Coro::current->{desc} = "map prefetcher";
		2045
		2046	while (%MAP_PREFETCH) {
		2047	while (my ($k, $v) = each %MAP_PREFETCH) {
		2048	if (my $map = find $k) {
		2049	$map->load if $v;
		2050	}
		2051
		2052	delete $MAP_PREFETCH{$k};
		2053	}
		2054	}
		2055	undef $MAP_PREFETCHER;
1459	}	2056	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2057	$MAP_PREFETCHER->prio (6);
1463		2058
1464	()	2059	()
1465	}	2060	}
1466		2061
1467	sub save {	2062	sub save {
1468	my ($self) = @_;	2063	my ($self) = @_;
1469		2064
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2065	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2066
1472	$self->{last_save} = $cf::RUNTIME;	2067	$self->{last_save} = $cf::RUNTIME;
1473		2068
1474	return unless $self->dirty;	2069	return unless $self->dirty;
1475		2070
…		…
1481	return if $self->{deny_save};	2076	return if $self->{deny_save};
1482		2077
1483	local $self->{last_access} = $self->last_access;#d#	2078	local $self->{last_access} = $self->last_access;#d#
1484		2079
1485	cf::async {	2080	cf::async {
		2081	$Coro::current->{desc} = "map player save";
1486	$_->contr->save for $self->players;	2082	$_->contr->save for $self->players;
1487	};	2083	};
1488		2084
1489	if ($uniq) {	2085	if ($uniq) {
1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1498	my ($self) = @_;	2094	my ($self) = @_;
1499		2095
1500	# save first because save cedes	2096	# save first because save cedes
1501	$self->save;	2097	$self->save;
1502		2098
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2099	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2100
1505	return if $self->players;	2101	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2102	return if $self->in_memory != cf::MAP_IN_MEMORY;
1507	return if $self->{deny_save};	2103	return if $self->{deny_save};
1508		2104
		2105	$self->in_memory (cf::MAP_SWAPPED);
		2106
		2107	$self->deactivate;
		2108	$_->clear_links_to ($self) for values %cf::MAP;
1509	$self->clear;	2109	$self->clear;
1510	$self->in_memory (cf::MAP_SWAPPED);
1511	}	2110	}
1512		2111
1513	sub reset_at {	2112	sub reset_at {
1514	my ($self) = @_;	2113	my ($self) = @_;
1515		2114
1516	# TODO: safety, remove and allow resettable per-player maps	2115	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	2116	return 1e99 if $self->{deny_reset};
1519		2117
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2118	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2119	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2120
…		…
1527	my ($self) = @_;	2125	my ($self) = @_;
1528		2126
1529	$self->reset_at <= $cf::RUNTIME	2127	$self->reset_at <= $cf::RUNTIME
1530	}	2128	}
1531		2129
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	2130	sub reset {
1547	my ($self) = @_;	2131	my ($self) = @_;
1548		2132
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2133	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2134
1551	return if $self->players;	2135	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2136
1554	warn "resetting map ", $self->path;#d#	2137	warn "resetting map ", $self->path;
		2138
		2139	$self->in_memory (cf::MAP_SWAPPED);
		2140
		2141	# need to save uniques path
		2142	unless ($self->{deny_save}) {
		2143	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2144
		2145	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2146	if $uniq;
		2147	}
1555		2148
1556	delete $cf::MAP{$self->path};	2149	delete $cf::MAP{$self->path};
1557		2150
		2151	$self->deactivate;
1558	$_->clear_links_to ($self) for values %cf::MAP;	2152	$_->clear_links_to ($self) for values %cf::MAP;
		2153	$self->clear;
1559		2154
1560	$self->unlink_save;	2155	$self->unlink_save;
1561	$self->destroy;	2156	$self->destroy;
1562	}	2157	}
1563		2158
1564	my $nuke_counter = "aaaa";	2159	my $nuke_counter = "aaaa";
1565		2160
1566	sub nuke {	2161	sub nuke {
1567	my ($self) = @_;	2162	my ($self) = @_;
1568		2163
		2164	{
		2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2166
		2167	delete $cf::MAP{$self->path};
		2168
		2169	$self->unlink_save;
		2170
		2171	bless $self, "cf::map";
		2172	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2173	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2174	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2175	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2176
		2177	$cf::MAP{$self->path} = $self;
		2178	}
		2179
1572	$self->reset; # polite request, might not happen	2180	$self->reset; # polite request, might not happen
		2181	}
		2182
		2183	=item $maps = cf::map::tmp_maps
		2184
		2185	Returns an arrayref with all map paths of currently instantiated and saved
		2186	maps. May block.
		2187
		2188	=cut
		2189
		2190	sub tmp_maps() {
		2191	[
		2192	map {
		2193	utf8::decode $_;
		2194	/\.map$/
		2195	? normalise $_
		2196	: ()
		2197	} @{ aio_readdir $TMPDIR or [] }
		2198	]
		2199	}
		2200
		2201	=item $maps = cf::map::random_maps
		2202
		2203	Returns an arrayref with all map paths of currently instantiated and saved
		2204	random maps. May block.
		2205
		2206	=cut
		2207
		2208	sub random_maps() {
		2209	[
		2210	map {
		2211	utf8::decode $_;
		2212	/\.map$/
		2213	? normalise "?random/$_"
		2214	: ()
		2215	} @{ aio_readdir $RANDOMDIR or [] }
		2216	]
1573	}	2217	}
1574		2218
1575	=item cf::map::unique_maps	2219	=item cf::map::unique_maps
1576		2220
1577	Returns an arrayref of paths of all shared maps that have	2221	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2222	instantiated unique items. May block.
1579		2223
1580	=cut	2224	=cut
1581		2225
1582	sub unique_maps() {	2226	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2227	[
1584	or return;	2228	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2229	utf8::decode $_;
1590	next if /\.pst$/;	2230	/\.map$/
1591	next unless /^$PATH_SEP/o;	2231	? normalise $_
1592		2232	: ()
1593	push @paths, $_;	2233	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2234	]
1595
1596	\@paths
1597	}	2235	}
1598		2236
1599	package cf;	2237	package cf;
1600		2238
1601	=back	2239	=back
…		…
1619	map { $_, inv_recursive_ $_->inv } @_	2257	map { $_, inv_recursive_ $_->inv } @_
1620	}	2258	}
1621		2259
1622	sub inv_recursive {	2260	sub inv_recursive {
1623	inv_recursive_ inv $_[0]	2261	inv_recursive_ inv $_[0]
		2262	}
		2263
		2264	=item $ref = $ob->ref
		2265
		2266	creates and returns a persistent reference to an objetc that can be stored as a string.
		2267
		2268	=item $ob = cf::object::deref ($refstring)
		2269
		2270	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2271	even if the object actually exists. May block.
		2272
		2273	=cut
		2274
		2275	sub deref {
		2276	my ($ref) = @_;
		2277
		2278	# temporary compatibility#TODO#remove
		2279	$ref =~ s{^<}{player/<};
		2280
		2281	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2282	my ($uuid, $name) = ($1, $2);
		2283	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2284	or return;
		2285	$pl->ob->uuid eq $uuid
		2286	or return;
		2287
		2288	$pl->ob
		2289	} else {
		2290	warn "$ref: cannot resolve object reference\n";
		2291	undef
		2292	}
1624	}	2293	}
1625		2294
1626	package cf;	2295	package cf;
1627		2296
1628	=back	2297	=back
…		…
1647		2316
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2317	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2318
1650	if ($self->{record_replies}) {	2319	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2320	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2321
1652	} else {	2322	} else {
		2323	my $pl = $self->contr;
		2324
		2325	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2326	my $dialog = $pl->{npc_dialog};
		2327	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2328
		2329	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2330	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2331	$self->message ($msg, $flags);
		2332	}
1655	}	2333	}
		2334	}
		2335
		2336	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2337
		2338	=cut
		2339
		2340	sub cf::object::send_msg {
		2341	my $pl = shift->contr
		2342	or return;
		2343	$pl->send_msg (@_);
1656	}	2344	}
1657		2345
1658	=item $player_object->may ("access")	2346	=item $player_object->may ("access")
1659		2347
1660	Returns wether the given player is authorized to access resource "access"	2348	Returns wether the given player is authorized to access resource "access"
…		…
1692	=cut	2380	=cut
1693		2381
1694	sub link_map {	2382	sub link_map {
1695	unless ($LINK_MAP) {	2383	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2384	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2385	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2386	$LINK_MAP->load;
1699	}	2387	}
1700		2388
1701	$LINK_MAP	2389	$LINK_MAP
1702	}	2390	}
…		…
1707	$self->deactivate_recursive;	2395	$self->deactivate_recursive;
1708		2396
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2397	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2398
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2399	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2400	if $self->map && $self->map->{path} ne "{link}";
1713		2401
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2402	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2403	}
1716		2404
1717	sub cf::object::player::leave_link {	2405	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2406	my ($self, $map, $x, $y) = @_;
		2407
		2408	return unless $self->contr->active;
1719		2409
1720	my $link_pos = delete $self->{_link_pos};	2410	my $link_pos = delete $self->{_link_pos};
1721		2411
1722	unless ($map) {	2412	unless ($map) {
1723	# restore original map position	2413	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2427	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2428	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2429	if $x <=0 && $y <= 0;
1740		2430
1741	$map->load;	2431	$map->load;
1742	$map->load_diag;	2432	$map->load_neighbours;
1743		2433
1744	return unless $self->contr->active;	2434	return unless $self->contr->active;
1745	$self->activate_recursive;	2435	$self->activate_recursive;
		2436
		2437	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2438	$self->enter_map ($map, $x, $y);
1747	}	2439	}
1748		2440
1749	cf::player->attach (	2441	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2442
1753	# abort map switching before logout	2443	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2444	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2445	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2446	the new (success) or old (failed) map position. In either case, $done will
1757	};	2447	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2448
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	2449	=cut
		2450
		2451	our $GOTOGEN;
1784		2452
1785	sub cf::object::player::goto {	2453	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2454	my ($self, $path, $x, $y, $check, $done) = @_;
		2455
		2456	# do generation counting so two concurrent goto's will be executed in-order
		2457	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2458
1788	$self->enter_link;	2459	$self->enter_link;
1789		2460
1790	(async {	2461	(async {
1791	my $map = cf::map::find $path;	2462	$Coro::current->{desc} = "player::goto $path $x $y";
		2463
		2464	# *tag paths override both path and x|y
		2465	if ($path =~ /^\*(.*)$/) {
		2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2467	my $ob = $obs[rand @obs];
		2468
		2469	# see if we actually can go there
		2470	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2471	$ob = $obs[rand @obs];
		2472	} else {
		2473	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2474	}
		2475	# else put us there anyways for now #d#
		2476
		2477	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2478	} else {
		2479	($path, $x, $y) = (undef, undef, undef);
		2480	}
		2481	}
		2482
		2483	my $map = eval {
		2484	my $map = defined $path ? cf::map::find $path : undef;
		2485
		2486	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2487	$map = $map->customise_for ($self);
1793		2488	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2489	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2491	}
1798		2492
		2493	$map
		2494	};
		2495
		2496	if ($@) {
		2497	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2498	LOG llevError | logBacktrace, Carp::longmess $@;
		2499	}
		2500
		2501	if ($gen == $self->{_goto_generation}) {
		2502	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2503	$self->leave_link ($map, $x, $y);
		2504	}
		2505
		2506	$done->() if $done;
1800	})->prio (1);	2507	})->prio (1);
1801	}	2508	}
1802		2509
1803	=item $player_object->enter_exit ($exit_object)	2510	=item $player_object->enter_exit ($exit_object)
1804		2511
…		…
1806		2513
1807	sub parse_random_map_params {	2514	sub parse_random_map_params {
1808	my ($spec) = @_;	2515	my ($spec) = @_;
1809		2516
1810	my $rmp = { # defaults	2517	my $rmp = { # defaults
1811	xsize => 10,	2518	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2519	ysize => (cf::rndm 15, 40),
		2520	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2521	#layout => string,
1813	};	2522	};
1814		2523
1815	for (split /\n/, $spec) {	2524	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2525	my ($k, $v) = split /\s+/, $_, 2;
1817		2526
…		…
1821	$rmp	2530	$rmp
1822	}	2531	}
1823		2532
1824	sub prepare_random_map {	2533	sub prepare_random_map {
1825	my ($exit) = @_;	2534	my ($exit) = @_;
		2535
		2536	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2537
1827	# all this does is basically replace the /! path by	2538	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2539	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2540	# that depends on the exit object
1830		2541
1831	my $rmp = parse_random_map_params $exit->msg;	2542	my $rmp = parse_random_map_params $exit->msg;
1832		2543
1833	if ($exit->map) {	2544	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2545	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2546	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2547	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2548	$rmp->{origin_y} = $exit->y;
1838	}	2549	}
1839		2550
1840	$rmp->{random_seed} ||= $exit->random_seed;	2551	$rmp->{random_seed} ||= $exit->random_seed;
1841		2552
1842	my $data = cf::to_json $rmp;	2553	my $data = cf::to_json $rmp;
1843	my $md5 = Digest::MD5::md5_hex $data;	2554	my $md5 = Digest::MD5::md5_hex $data;
		2555	my $meta = "$RANDOMDIR/$md5.meta";
1844		2556
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2558	aio_write $fh, 0, (length $data), $data, 0;
		2559	undef $fh;
		2560	aio_rename "$meta~", $meta;
1847		2561
1848	$exit->slaying ("?random/$md5");	2562	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2563	$exit->msg (undef);
1850	}	2564	}
1851	}	2565	}
…		…
1853	sub cf::object::player::enter_exit {	2567	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2568	my ($self, $exit) = @_;
1855		2569
1856	return unless $self->type == cf::PLAYER;	2570	return unless $self->type == cf::PLAYER;
1857		2571
		2572	if ($exit->slaying eq "/!") {
		2573	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2574	# the problem is that $exit might not survive long enough
		2575	# so it needs to be done right now, right here
		2576	cf::sync_job { prepare_random_map $exit };
		2577	}
		2578
		2579	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2580	my $hp = $exit->stats->hp;
		2581	my $sp = $exit->stats->sp;
		2582
1858	$self->enter_link;	2583	$self->enter_link;
1859		2584
		2585	# if exit is damned, update players death & WoR home-position
		2586	$self->contr->savebed ($slaying, $hp, $sp)
		2587	if $exit->flag (FLAG_DAMNED);
		2588
1860	(async {	2589	(async {
		2590	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2591
1861	$self->deactivate_recursive; # just to be sure	2592	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2593	unless (eval {
1863	prepare_random_map $exit	2594	$self->goto ($slaying, $hp, $sp);
1864	if $exit->slaying eq "/!";
1865
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1868		2595
1869	1;	2596	1;
1870	}) {	2597	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2598	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2599	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2600	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2601	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2602
1876	warn "ERROR in enter_exit: $@";	2603	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2604	$self->leave_link;
1878	}	2605	}
1879	})->prio (1);	2606	})->prio (1);
…		…
1892		2619
1893	sub cf::client::send_drawinfo {	2620	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2621	my ($self, $text, $flags) = @_;
1895		2622
1896	utf8::encode $text;	2623	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2624	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2625	}
1899		2626
		2627	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2628
		2629	Send a drawinfo or msg packet to the client, formatting the msg for the
		2630	client if neccessary. C<$type> should be a string identifying the type of
		2631	the message, with C<log> being the default. If C<$color> is negative, suppress
		2632	the message unless the client supports the msg packet.
		2633
		2634	=cut
		2635
		2636	our %CHANNEL = (
		2637	"c/identify" => {
		2638	id => "identify",
		2639	title => "Identify",
		2640	reply => undef,
		2641	tooltip => "Items recently identified",
		2642	},
		2643	"c/examine" => {
		2644	id => "examine",
		2645	title => "Examine",
		2646	reply => undef,
		2647	tooltip => "Signs and other items you examined",
		2648	},
		2649	);
		2650
		2651	sub cf::client::send_msg {
		2652	my ($self, $channel, $msg, $color, @extra) = @_;
		2653
		2654	$msg = $self->pl->expand_cfpod ($msg);
		2655
		2656	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2657
		2658	# check predefined channels, for the benefit of C
		2659	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2660
		2661	if (ref $channel) {
		2662	# send meta info to client, if not yet sent
		2663	unless (exists $self->{channel}{$channel->{id}}) {
		2664	$self->{channel}{$channel->{id}} = $channel;
		2665	$self->ext_msg (channel_info => $channel)
		2666	if $self->can_msg;
		2667	}
		2668
		2669	$channel = $channel->{id};
		2670	}
		2671
		2672	return unless @extra || length $msg;
		2673
		2674	if ($self->can_msg) {
		2675	# default colour, mask it out
		2676	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2677	if $color & cf::NDI_DEF;
		2678
		2679	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2680	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2681	} else {
		2682	if ($color >= 0) {
		2683	# replace some tags by gcfclient-compatible ones
		2684	for ($msg) {
		2685	1 while
		2686	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2687	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2688	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2689	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2690	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2691	}
		2692
		2693	$color &= cf::NDI_COLOR_MASK;
		2694
		2695	utf8::encode $msg;
		2696
		2697	if (0 && $msg =~ /\[/) {
		2698	# COMMAND/INFO
		2699	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2700	} else {
		2701	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2702	$self->send_packet ("drawinfo $color $msg")
		2703	}
		2704	}
		2705	}
		2706	}
		2707
		2708	=item $client->ext_msg ($type, @msg)
		2709
		2710	Sends an ext event to the client.
		2711
		2712	=cut
		2713
		2714	sub cf::client::ext_msg($$@) {
		2715	my ($self, $type, @msg) = @_;
		2716
		2717	if ($self->extcmd == 2) {
		2718	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2719	} elsif ($self->extcmd == 1) { # TODO: remove
		2720	push @msg, msgtype => "event_$type";
		2721	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2722	}
		2723	}
		2724
		2725	=item $client->ext_reply ($msgid, @msg)
		2726
		2727	Sends an ext reply to the client.
		2728
		2729	=cut
		2730
		2731	sub cf::client::ext_reply($$@) {
		2732	my ($self, $id, @msg) = @_;
		2733
		2734	if ($self->extcmd == 2) {
		2735	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2736	} elsif ($self->extcmd == 1) {
		2737	#TODO: version 1, remove
		2738	unshift @msg, msgtype => "reply", msgid => $id;
		2739	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2740	}
		2741	}
1900		2742
1901	=item $success = $client->query ($flags, "text", \&cb)	2743	=item $success = $client->query ($flags, "text", \&cb)
1902		2744
1903	Queues a query to the client, calling the given callback with	2745	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2746	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2747	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2748
1907	Queries can fail, so check the return code. Or don't, as queries will become	2749	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2750	become reliable at some point in the future.
1909		2751
1910	=cut	2752	=cut
1911		2753
1912	sub cf::client::query {	2754	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2755	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2763	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2764	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2765
1924	$self->send_packet ($self->{query_queue}[0][0])	2766	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2767	if @{ $self->{query_queue} } == 1;
		2768
		2769	1
1926	}	2770	}
1927		2771
1928	cf::client->attach (	2772	cf::client->attach (
		2773	on_connect => sub {
		2774	my ($ns) = @_;
		2775
		2776	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2777	},
1929	on_reply => sub {	2778	on_reply => sub {
1930	my ($ns, $msg) = @_;	2779	my ($ns, $msg) = @_;
1931		2780
1932	# this weird shuffling is so that direct followup queries	2781	# this weird shuffling is so that direct followup queries
1933	# get handled first	2782	# get handled first
1934	my $queue = delete $ns->{query_queue}	2783	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2784	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2785
1937	(shift @$queue)->[1]->($msg);	2786	(shift @$queue)->[1]->($msg);
		2787	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2788
1939	push @{ $ns->{query_queue} }, @$queue;	2789	push @{ $ns->{query_queue} }, @$queue;
1940		2790
1941	if (@{ $ns->{query_queue} } == @$queue) {	2791	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2792	if (@$queue) {
…		…
1944	} else {	2794	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2795	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	2796	}
1947	}	2797	}
1948	},	2798	},
		2799	on_exticmd => sub {
		2800	my ($ns, $buf) = @_;
		2801
		2802	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2803
		2804	if (ref $msg) {
		2805	my ($type, $reply, @payload) =
		2806	"ARRAY" eq ref $msg
		2807	? @$msg
		2808	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2809
		2810	my @reply;
		2811
		2812	if (my $cb = $EXTICMD{$type}) {
		2813	@reply = $cb->($ns, @payload);
		2814	}
		2815
		2816	$ns->ext_reply ($reply, @reply)
		2817	if $reply;
		2818
		2819	} else {
		2820	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2821	}
		2822
		2823	cf::override;
		2824	},
1949	);	2825	);
1950		2826
1951	=item $client->async (\&cb)	2827	=item $client->async (\&cb)
1952		2828
1953	Create a new coroutine, running the specified callback. The coroutine will	2829	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	2870	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	2871	our $safe_hole = new Safe::Hole;
1996		2872
1997	$SIG{FPE} = 'IGNORE';	2873	$SIG{FPE} = 'IGNORE';
1998		2874
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2875	$safe->permit_only (Opcode::opset qw(
		2876	:base_core :base_mem :base_orig :base_math
		2877	grepstart grepwhile mapstart mapwhile
		2878	sort time
		2879	));
2000		2880
2001	# here we export the classes and methods available to script code	2881	# here we export the classes and methods available to script code
2002		2882
2003	=pod	2883	=pod
2004		2884
2005	The following fucntions and emthods are available within a safe environment:	2885	The following functions and methods are available within a safe environment:
2006		2886
2007	cf::object contr pay_amount pay_player map	2887	cf::object
		2888	contr pay_amount pay_player map x y force_find force_add
		2889	insert remove name archname title slaying race decrease_ob_nr
		2890
2008	cf::object::player player	2891	cf::object::player
2009	cf::player peaceful	2892	player
2010	cf::map trigger	2893
		2894	cf::player
		2895	peaceful
		2896
		2897	cf::map
		2898	trigger
2011		2899
2012	=cut	2900	=cut
2013		2901
2014	for (	2902	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	2903	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2904	insert remove inv name archname title slaying race
		2905	decrease_ob_nr)],
2016	["cf::object::player" => qw(player)],	2906	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	2907	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	2908	["cf::map" => qw(trigger)],
2019	) {	2909	) {
2020	no strict 'refs';	2910	no strict 'refs';
…		…
2091	=back	2981	=back
2092		2982
2093	=cut	2983	=cut
2094		2984
2095	#############################################################################	2985	#############################################################################
		2986	# the server's init and main functions
2096		2987
2097	=head2 EXTENSION DATABASE SUPPORT	2988	sub load_facedata($) {
		2989	my ($path) = @_;
2098		2990
2099	Crossfire maintains a very simple database for extension use. It can	2991	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	2992	# for this (global event?)
2101	excludes objects.	2993	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		2994
2103	The parameter C<$family> should best start with the name of the extension	2995	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		2996
2106	=over 4	2997	warn "loading facedata from $path\n";
2107		2998
2108	=item $hashref = cf::db_get $family	2999	my $facedata;
		3000	0 < aio_load $path, $facedata
		3001	or die "$path: $!";
2109		3002
2110	Return a hashref for use by the extension C<$family>, which can be	3003	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		3004
2114	=item $value = cf::db_get $family => $key	3005	$facedata->{version} == 2
		3006	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		3007
2116	Returns a single value from the database	3008	# patch in the exptable
2117		3009	$facedata->{resource}{"res/exp_table"} = {
2118	=item cf::db_put $family => $hashref	3010	type => FT_RSRC,
2119		3011	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}
2146
2147	my $pid;
2148
2149	sub db_save() {
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	3012	};
		3013	cf::cede_to_tick;
2169		3014
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	3015	{
		3016	my $faces = $facedata->{faceinfo};
2174		3017
2175	sub db_get($;$) {	3018	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	3019	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}	3020	cf::face::set_visibility $idx, $info->{visibility};
2178	: ($DB->{$_[0]} ||= { })	3021	cf::face::set_magicmap $idx, $info->{magicmap};
2179	}	3022	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3023	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2180		3024
2181	sub db_put($$;$) {	3025	cf::cede_to_tick;
2182	if (@_ >= 3) {
2183	$DB->{$_[0]}{$_[1]} = $_[2];
2184	} else {
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189
2190	cf::global->attach (
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	3026	}
2195	);
2196	}
2197		3027
2198	#############################################################################	3028	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	3029	next unless $info->{smooth};
		3030	my $idx = cf::face::find $face
		3031	or next;
		3032	if (my $smooth = cf::face::find $info->{smooth}) {
		3033	cf::face::set_smooth $idx, $smooth;
		3034	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3035	} else {
		3036	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3037	}
2200		3038
2201	sub cfg_load {	3039	cf::cede_to_tick;
		3040	}
		3041	}
		3042
		3043	{
		3044	my $anims = $facedata->{animinfo};
		3045
		3046	while (my ($anim, $info) = each %$anims) {
		3047	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3048	cf::cede_to_tick;
		3049	}
		3050
		3051	cf::anim::invalidate_all; # d'oh
		3052	}
		3053
		3054	{
		3055	# TODO: for gcfclient pleasure, we should give resources
		3056	# that gcfclient doesn't grok a >10000 face index.
		3057	my $res = $facedata->{resource};
		3058
		3059	my $soundconf = delete $res->{"res/sound.conf"};
		3060
		3061	while (my ($name, $info) = each %$res) {
		3062	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3063	my $data;
		3064
		3065	if ($info->{type} & 1) {
		3066	# prepend meta info
		3067
		3068	my $meta = $enc->encode ({
		3069	name => $name,
		3070	%{ $info->{meta} || {} },
		3071	});
		3072
		3073	$data = pack "(w/a*)*", $meta, $info->{data};
		3074	} else {
		3075	$data = $info->{data};
		3076	}
		3077
		3078	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3079	cf::face::set_type $idx, $info->{type};
		3080
		3081	cf::cede_to_tick;
		3082	}
		3083
		3084	if ($soundconf) {
		3085	$soundconf = $enc->decode (delete $soundconf->{data});
		3086
		3087	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3088	my $sound = $soundconf->{compat}[$_]
		3089	or next;
		3090
		3091	my $face = cf::face::find "sound/$sound->[1]";
		3092	cf::sound::set $sound->[0] => $face;
		3093	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3094	}
		3095
		3096	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3097	my $face = cf::face::find "sound/$v";
		3098	cf::sound::set $k => $face;
		3099	}
		3100	}
		3101	}
		3102
		3103	1
		3104	}
		3105
		3106	register_exticmd fx_want => sub {
		3107	my ($ns, $want) = @_;
		3108
		3109	while (my ($k, $v) = each %$want) {
		3110	$ns->fx_want ($k, $v);
		3111	}
		3112	};
		3113
		3114	sub reload_regions {
		3115	# HACK to clear player env face cache, we need some signal framework
		3116	# for this (global event?)
		3117	%ext::player_env::MUSIC_FACE_CACHE = ();
		3118
		3119	load_resource_file "$MAPDIR/regions"
		3120	or die "unable to load regions file\n";
		3121
		3122	for (cf::region::list) {
		3123	$_->{match} = qr/$_->{match}/
		3124	if exists $_->{match};
		3125	}
		3126	}
		3127
		3128	sub reload_facedata {
		3129	load_facedata "$DATADIR/facedata"
		3130	or die "unable to load facedata\n";
		3131	}
		3132
		3133	sub reload_archetypes {
		3134	load_resource_file "$DATADIR/archetypes"
		3135	or die "unable to load archetypes\n";
		3136	#d# NEED to laod twice to resolve forward references
		3137	# this really needs to be done in an extra post-pass
		3138	# (which needs to be synchronous, so solve it differently)
		3139	load_resource_file "$DATADIR/archetypes"
		3140	or die "unable to load archetypes\n";
		3141	}
		3142
		3143	sub reload_treasures {
		3144	load_resource_file "$DATADIR/treasures"
		3145	or die "unable to load treasurelists\n";
		3146	}
		3147
		3148	sub reload_resources {
		3149	warn "reloading resource files...\n";
		3150
		3151	reload_regions;
		3152	reload_facedata;
		3153	#reload_archetypes;#d#
		3154	reload_archetypes;
		3155	reload_treasures;
		3156
		3157	warn "finished reloading resource files\n";
		3158	}
		3159
		3160	sub init {
		3161	reload_resources;
		3162	}
		3163
		3164	sub reload_config {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3165	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3166	or return;
2204		3167
2205	local $/;	3168	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3169	*CFG = YAML::Syck::Load <$fh>;
2207		3170
…		…
2221		3184
2222	sub main {	3185	sub main {
2223	# we must not ever block the main coroutine	3186	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3187	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3188	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3189	(async {
		3190	$Coro::current->{desc} = "IDLE BUG HANDLER";
2226	async { Event::one_event };	3191	Event::one_event;
		3192	})->prio (Coro::PRIO_MAX);
2227	};	3193	};
2228		3194
2229	cfg_load;	3195	reload_config;
2230	db_load;	3196	db_init;
2231	load_extensions;	3197	load_extensions;
		3198
		3199	$TICK_WATCHER->start;
2232	Event::loop;	3200	Event::loop;
2233	}	3201	}
2234		3202
2235	#############################################################################	3203	#############################################################################
2236	# initialisation and cleanup	3204	# initialisation and cleanup
2237		3205
2238	# install some emergency cleanup handlers	3206	# install some emergency cleanup handlers
2239	BEGIN {	3207	BEGIN {
2240	for my $signal (qw(INT HUP TERM)) {	3208	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3209	Event->signal (
		3210	reentrant => 0,
2242	data => WF_AUTOCANCEL,	3211	data => WF_AUTOCANCEL,
2243	signal => $signal,	3212	signal => $signal,
		3213	prio => 0,
2244	cb => sub {	3214	cb => sub {
2245	cf::cleanup "SIG$signal";	3215	cf::cleanup "SIG$signal";
2246	},	3216	},
2247	);	3217	);
2248	}	3218	}
2249	}	3219	}
2250		3220
		3221	sub write_runtime {
		3222	my $runtime = "$LOCALDIR/runtime";
		3223
		3224	# first touch the runtime file to show we are still running:
		3225	# the fsync below can take a very very long time.
		3226
		3227	IO::AIO::aio_utime $runtime, undef, undef;
		3228
		3229	my $guard = cf::lock_acquire "write_runtime";
		3230
		3231	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3232	or return;
		3233
		3234	my $value = $cf::RUNTIME + 90 + 10;
		3235	# 10 is the runtime save interval, for a monotonic clock
		3236	# 60 allows for the watchdog to kill the server.
		3237
		3238	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3239	and return;
		3240
		3241	# always fsync - this file is important
		3242	aio_fsync $fh
		3243	and return;
		3244
		3245	# touch it again to show we are up-to-date
		3246	aio_utime $fh, undef, undef;
		3247
		3248	close $fh
		3249	or return;
		3250
		3251	aio_rename "$runtime~", $runtime
		3252	and return;
		3253
		3254	warn "runtime file written.\n";
		3255
		3256	1
		3257	}
		3258
2251	sub emergency_save() {	3259	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3260	my $freeze_guard = cf::freeze_mainloop;
2253		3261
2254	warn "enter emergency perl save\n";	3262	warn "enter emergency perl save\n";
2255		3263
2256	cf::sync_job {	3264	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3265	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3266	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3267	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3268	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3269	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3270	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3271	$pl->valid or next;
2264	$pl->save;	3272	$pl->save;
…		…
2270	my $map = $cf::MAP{$path} or next;	3278	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3279	$map->valid or next;
2272	$map->save;	3280	$map->save;
2273	}	3281	}
2274	warn "end emergency map save\n";	3282	warn "end emergency map save\n";
		3283
		3284	warn "begin emergency database checkpoint\n";
		3285	BDB::db_env_txn_checkpoint $DB_ENV;
		3286	warn "end emergency database checkpoint\n";
2275	};	3287	};
2276		3288
2277	warn "leave emergency perl save\n";	3289	warn "leave emergency perl save\n";
2278	}	3290	}
2279		3291
		3292	sub post_cleanup {
		3293	my ($make_core) = @_;
		3294
		3295	warn Carp::longmess "post_cleanup backtrace"
		3296	if $make_core;
		3297	}
		3298
2280	sub reload() {	3299	sub do_reload_perl() {
2281	# can/must only be called in main	3300	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3301	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3302	warn "can only reload from main coroutine";
2284	return;	3303	return;
2285	}	3304	}
2286		3305
2287	warn "reloading...";	3306	warn "reloading...";
2288		3307
2289	warn "freezing server";	3308	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3309
		3310	cf::sync_job {
		3311	cf::write_runtime; # external watchdog should not bark
2291	cf::emergency_save;	3312	cf::emergency_save;
		3313	cf::write_runtime; # external watchdog should not bark
2292		3314
2293	warn "sync database to disk";	3315	warn "syncing database to disk";
2294	cf::db_sync;	3316	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3317
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3318	# if anything goes wrong in here, we should simply crash as we already saved
2299		3319
2300	warn "cancel all watchers";	3320	warn "cancelling all WF_AUTOCANCEL watchers";
2301	for (Event::all_watchers) {	3321	for (Event::all_watchers) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3322	$_->cancel if $_->data & WF_AUTOCANCEL;
2303	}	3323	}
2304		3324
		3325	warn "flushing outstanding aio requests";
		3326	for (;;) {
		3327	BDB::flush;
		3328	IO::AIO::flush;
		3329	Coro::cede;
		3330	last unless IO::AIO::nreqs || BDB::nreqs;
		3331	warn "iterate...";
		3332	}
		3333
		3334	++$RELOAD;
		3335
2305	warn "cancel all extension coros";	3336	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3337	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3338	%EXT_CORO = ();
2308		3339
2309	warn "remove commands";	3340	warn "removing commands";
2310	%COMMAND = ();	3341	%COMMAND = ();
2311		3342
2312	warn "remove ext commands";	3343	warn "removing ext/exti commands";
2313	%EXTCMD = ();	3344	%EXTCMD = ();
		3345	%EXTICMD = ();
2314		3346
2315	warn "unload/nuke all extensions";	3347	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3348	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3349	warn "... unloading $pkg";
2318		3350
2319	if (my $cb = $pkg->can ("unload")) {	3351	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3352	eval {
…		…
2325		3357
2326	warn "... nuking $pkg";	3358	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	3359	Symbol::delete_package $pkg;
2328	}	3360	}
2329		3361
2330	warn "unload all perl modules loaded from $LIBDIR";	3362	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3363	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3364	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3365
2334	warn "removing <$k>";	3366	warn "... unloading $k";
2335	delete $INC{$k};	3367	delete $INC{$k};
2336		3368
2337	$k =~ s/\.pm$//;	3369	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3370	$k =~ s/\//::/g;
2339		3371
…		…
2342	}	3374	}
2343		3375
2344	Symbol::delete_package $k;	3376	Symbol::delete_package $k;
2345	}	3377	}
2346		3378
2347	warn "get rid of safe::, as good as possible";	3379	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3380	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3381	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3382
2351	warn "unload cf.pm \"a bit\"";	3383	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3384	delete $INC{"cf.pm"};
		3385	delete $INC{"cf/pod.pm"};
2353		3386
2354	# don't, removes xs symbols, too,	3387	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3388	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3389	#Symbol::delete_package __PACKAGE__;
2357		3390
		3391	warn "unload completed, starting to reload now";
		3392
2358	warn "reloading cf.pm";	3393	warn "reloading cf.pm";
2359	require cf;	3394	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3395	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3396
2362	warn "load config and database again";	3397	warn "loading config and database again";
2363	cf::cfg_load;	3398	cf::reload_config;
2364	cf::db_load;
2365		3399
2366	warn "load extensions";	3400	warn "loading extensions";
2367	cf::load_extensions;	3401	cf::load_extensions;
2368		3402
2369	warn "reattach attachments to objects/players";	3403	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3404	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3405	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3406	reattach $_ for values %MAP;
2373	};	3407	warn "reattaching attachments to players";
		3408	reattach $_ for values %PLAYER;
2374		3409
2375	if ($@) {	3410	warn "leaving sync_job";
		3411
		3412	1
		3413	} or do {
2376	warn $@;	3414	warn $@;
2377	warn "error while reloading, exiting.";	3415	warn "error while reloading, exiting.";
2378	exit 1;	3416	exit 1;
2379	}	3417	};
2380		3418
2381	warn "reloaded";	3419	warn "reloaded";
2382	};	3420	};
2383		3421
		3422	our $RELOAD_WATCHER; # used only during reload
		3423
		3424	sub reload_perl() {
		3425	# doing reload synchronously and two reloads happen back-to-back,
		3426	# coro crashes during coro_state_free->destroy here.
		3427
		3428	$RELOAD_WATCHER ||= Event->timer (
		3429	reentrant => 0,
		3430	after => 0,
		3431	data => WF_AUTOCANCEL,
		3432	cb => sub {
		3433	do_reload_perl;
		3434	undef $RELOAD_WATCHER;
		3435	},
		3436	);
		3437	}
		3438
2384	register_command "reload" => sub {	3439	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3440	my ($who, $arg) = @_;
2386		3441
2387	if ($who->flag (FLAG_WIZ)) {	3442	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3443	$who->message ("reloading server.");
		3444	async {
		3445	$Coro::current->{desc} = "perl_reload";
		3446	reload_perl;
		3447	};
2391	}	3448	}
2392	};	3449	};
2393		3450
2394	unshift @INC, $LIBDIR;	3451	unshift @INC, $LIBDIR;
		3452
		3453	my $bug_warning = 0;
		3454
		3455	our @WAIT_FOR_TICK;
		3456	our @WAIT_FOR_TICK_BEGIN;
		3457
		3458	sub wait_for_tick {
		3459	return unless $TICK_WATCHER->is_active;
		3460	return if $Coro::current == $Coro::main;
		3461
		3462	my $signal = new Coro::Signal;
		3463	push @WAIT_FOR_TICK, $signal;
		3464	$signal->wait;
		3465	}
		3466
		3467	sub wait_for_tick_begin {
		3468	return unless $TICK_WATCHER->is_active;
		3469	return if $Coro::current == $Coro::main;
		3470
		3471	my $signal = new Coro::Signal;
		3472	push @WAIT_FOR_TICK_BEGIN, $signal;
		3473	$signal->wait;
		3474	}
2395		3475
2396	$TICK_WATCHER = Event->timer (	3476	$TICK_WATCHER = Event->timer (
2397	reentrant => 0,	3477	reentrant => 0,
		3478	parked => 1,
2398	prio => 0,	3479	prio => 0,
2399	at => $NEXT_TICK || $TICK,	3480	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,	3481	data => WF_AUTOCANCEL,
2401	cb => sub {	3482	cb => sub {
		3483	if ($Coro::current != $Coro::main) {
		3484	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3485	unless ++$bug_warning > 10;
		3486	return;
		3487	}
		3488
2402	$NOW = Event::time;	3489	$NOW = $tick_start = Event::time;
2403		3490
2404	cf::server_tick; # one server iteration	3491	cf::server_tick; # one server iteration
		3492
2405	$RUNTIME += $TICK;	3493	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;	3494	$NEXT_TICK += $TICK;
2407		3495
2408	$WAIT_FOR_TICK->broadcast;	3496	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3497	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3498	Coro::async_pool {
		3499	$Coro::current->{desc} = "runtime saver";
		3500	write_runtime
		3501	or warn "ERROR: unable to write runtime file: $!";
		3502	};
		3503	}
		3504
		3505	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3506	$sig->send;
		3507	}
		3508	while (my $sig = shift @WAIT_FOR_TICK) {
		3509	$sig->send;
		3510	}
		3511
		3512	$NOW = Event::time;
2410		3513
2411	# if we are delayed by four ticks or more, skip them all	3514	# if we are delayed by four ticks or more, skip them all
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3515	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2413		3516
2414	$TICK_WATCHER->at ($NEXT_TICK);	3517	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;	3518	$TICK_WATCHER->start;
		3519
		3520	$LOAD = ($NOW - $tick_start) / $TICK;
		3521	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3522
		3523	_post_tick;
2416	},	3524	},
2417	);	3525	);
2418		3526
		3527	{
		3528	BDB::min_parallel 8;
2419	IO::AIO::max_poll_time $TICK * 0.2;	3529	BDB::max_poll_time $TICK * 0.1;
2420		3530	$BDB_POLL_WATCHER = Event->io (
2421	Event->io (	3531	reentrant => 0,
2422	fd => IO::AIO::poll_fileno,	3532	fd => BDB::poll_fileno,
2423	poll => 'r',	3533	poll => 'r',
2424	prio => 5,	3534	prio => 0,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,	3535	data => WF_AUTOCANCEL,
		3536	cb => \&BDB::poll_cb,
		3537	);
		3538
		3539	BDB::set_sync_prepare {
		3540	my $status;
		3541	my $current = $Coro::current;
		3542	(
		3543	sub {
		3544	$status = $!;
		3545	$current->ready; undef $current;
		3546	},
		3547	sub {
		3548	Coro::schedule while defined $current;
		3549	$! = $status;
		3550	},
		3551	)
		3552	};
		3553
		3554	unless ($DB_ENV) {
		3555	$DB_ENV = BDB::db_env_create;
		3556	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3557	| BDB::LOG_AUTOREMOVE, 1);
		3558	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3559	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3560
		3561	cf::sync_job {
		3562	eval {
		3563	BDB::db_env_open
		3564	$DB_ENV,
		3565	$BDBDIR,
		3566	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3567	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3568	0666;
		3569
		3570	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3571	};
		3572
		3573	cf::cleanup "db_env_open(db): $@" if $@;
		3574	};
		3575	}
		3576
		3577	$BDB_DEADLOCK_WATCHER = Event->timer (
2431	after => 0,	3578	after => 3,
2432	interval => 10,	3579	interval => 1,
		3580	hard => 1,
		3581	prio => 0,
		3582	data => WF_AUTOCANCEL,
2433	cb => sub {	3583	cb => sub {
2434	(Coro::unblock_sub {	3584	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
2435	write_runtime	3585	},
2436	or warn "ERROR: unable to write runtime file: $!";	3586	);
		3587	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3588	after => 11,
		3589	interval => 60,
		3590	hard => 1,
		3591	prio => 0,
		3592	data => WF_AUTOCANCEL,
		3593	cb => sub {
		3594	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3595	},
		3596	);
		3597	$BDB_TRICKLE_WATCHER = Event->timer (
		3598	after => 5,
		3599	interval => 10,
		3600	hard => 1,
		3601	prio => 0,
		3602	data => WF_AUTOCANCEL,
		3603	cb => sub {
		3604	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3605	},
		3606	);
		3607	}
		3608
		3609	{
		3610	IO::AIO::min_parallel 8;
		3611
		3612	undef $Coro::AIO::WATCHER;
		3613	IO::AIO::max_poll_time $TICK * 0.1;
		3614	$AIO_POLL_WATCHER = Event->io (
		3615	reentrant => 0,
		3616	data => WF_AUTOCANCEL,
		3617	fd => IO::AIO::poll_fileno,
		3618	poll => 'r',
		3619	prio => 6,
		3620	cb => \&IO::AIO::poll_cb,
		3621	);
		3622	}
		3623
		3624	my $_log_backtrace;
		3625
		3626	sub _log_backtrace {
		3627	my ($msg, @addr) = @_;
		3628
		3629	$msg =~ s/\n//;
		3630
		3631	# limit the # of concurrent backtraces
		3632	if ($_log_backtrace < 2) {
		3633	++$_log_backtrace;
		3634	async {
		3635	$Coro::current->{desc} = "abt $msg";
		3636
		3637	my @bt = fork_call {
		3638	@addr = map { sprintf "%x", $_ } @addr;
		3639	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3640	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3641	or die "addr2line: $!";
		3642
		3643	my @funcs;
		3644	my @res = <$fh>;
		3645	chomp for @res;
		3646	while (@res) {
		3647	my ($func, $line) = splice @res, 0, 2, ();
		3648	push @funcs, "[$func] $line";
		3649	}
		3650
		3651	@funcs
		3652	};
		3653
		3654	LOG llevInfo, "[ABT] $msg\n";
		3655	LOG llevInfo, "[ABT] $_\n" for @bt;
		3656	--$_log_backtrace;
2437	})->();	3657	};
		3658	} else {
		3659	LOG llevInfo, "[ABT] $msg\n";
		3660	LOG llevInfo, "[ABT] [suppressed]\n";
2438	},	3661	}
2439	);	3662	}
		3663
		3664	# load additional modules
		3665	use cf::pod;
2440		3666
2441	END { cf::emergency_save }	3667	END { cf::emergency_save }
2442		3668
2443	1	3669	1
2444		3670

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