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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs.
Revision 1.383 by root, Thu Oct 11 21:09:29 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 4.1 ();
		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;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
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;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	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;
53		89
54	our %CFG;	90	our %CFG;
55		91
56	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	93	our $RUNTIME;
58		94
59	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		98
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $tick_start; # for load detecting purposes
		105
70	binmode STDOUT;	106	binmode STDOUT;
71	binmode STDERR;	107	binmode STDERR;
72		108
73	# read virtual server time, if available	109	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
78	}	114	}
79		115
80	mkdir cf::localdir;	116	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		118
86	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
		120
		121	sub cf::map::normalise;
87		122
88	#############################################################################	123	#############################################################################
89		124
90	=head2 GLOBAL VARIABLES	125	=head2 GLOBAL VARIABLES
91		126
…		…
98	=item $cf::RUNTIME	133	=item $cf::RUNTIME
99		134
100	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
101	every server tick.	136	every server tick.
102		137
103	=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
104		141
105	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		146
108	=item $cf::NOW	147	=item $cf::NOW
109		148
110	The time of the last (current) server tick.	149	The time of the last (current) server tick.
111		150
112	=item $cf::TICK	151	=item $cf::TICK
113		152
114	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.
115		164
116	=item %cf::CFG	165	=item %cf::CFG
117		166
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	168	from wherever your confdir points to.
120		169
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		171
123	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
124	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
125	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.
126	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.
127		181
128	=back	182	=back
129		183
130	=cut	184	=cut
131		185
132	BEGIN {	186	BEGIN {
133	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	188	my $msg = join "", @_;
135	utf8::encode $msg;
136		189
137	$msg .= "\n"	190	$msg .= "\n"
138	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
139		194
140	LOG llevError, $msg;	195	LOG llevError, $msg;
141	};	196	};
142	}	197	}
143		198
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		206
151	# 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
152	# within the Safe compartment.	208	# within the Safe compartment.
153	for my $pkg (qw(	209	for my $pkg (qw(
154	cf::global cf::attachable	210	cf::global cf::attachable
…		…
162	}	218	}
163		219
164	$Event::DIED = sub {	220	$Event::DIED = sub {
165	warn "error in event callback: @_";	221	warn "error in event callback: @_";
166	};	222	};
		223
		224	#############################################################################
167		225
168	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
169		227
170	=over 4	228	=over 4
171		229
…		…
190	$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;
191	$d	249	$d
192	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
193	}	251	}
194		252
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
198		254
199	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
200		256
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
209		258
210	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
211		260
212	=cut	261	=cut
213		262
214	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
216	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
218		267
219	=item cf::lock_wait $string	268	=item cf::lock_wait $string
220		269
221	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
222		271
…		…
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
228	returned.	277	returned.
229		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
230	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
231	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
232		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
233	=cut	289	=cut
234		290
235	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
236		293
237	sub lock_wait($) {	294	sub lock_wait($) {
238	my ($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#
239		301
240	# wait for lock, if any	302	# wait for lock, if any
241	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	305	Coro::schedule;
…		…
249		311
250	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
251	lock_wait $key;	313	lock_wait $key;
252		314
253	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
254		317
255	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
258	}	322	}
259	}	323	}
260		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
261	sub freeze_mainloop {	331	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
263		333
264	my $guard = Coro::guard {	334	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	336	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
270	$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;
271	}	397	}
272		398
273	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
274		400
275	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		406
281	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
282		408
283	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
284		410
285	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)
286	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
287	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.
288		415
289	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
290	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
291	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
292	fast or be very important.	419	fast or be very important.
…		…
295		422
296	sub sync_job(&) {	423	sub sync_job(&) {
297	my ($job) = @_;	424	my ($job) = @_;
298		425
299	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
300	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
302		431
		432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
		433
303	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	435	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
306		437
307	my $busy = 1;	438	my $busy = 1;
308	my @res;	439	my @res;
309		440
310	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	443	@res = eval { $job->() };
312	warn $@ if $@;	444	warn $@ if $@;
313	undef $busy;	445	undef $busy;
314	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
315		447
316	while ($busy) {	448	while ($busy) {
317	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
318	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
319		458
320	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
321	} else {	460	} else {
322	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
323		462
…		…
343	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
344		483
345	$coro	484	$coro
346	}	485	}
347		486
348	sub write_runtime {	487	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		488
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	Executes the given code block with the given arguments in a seperate
352	or return;	490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
353		493
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	494	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		495
358	aio_fsync $fh	496	sub fork_call(&@) {
359	and return;	497	my ($cb, @args) = @_;
360		498
361	close $fh	499	# we seemingly have to make a local copy of the whole thing,
362	or return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
363		502
364	aio_rename "$runtime~", $runtime	503	my @res = Coro::Util::fork_eval {
365	and return;	504	reset_signals;
		505	&$cb
		506	}, @args;
366		507
		508	wantarray ? @res : $res[-1]
		509	}
		510
		511	=item $value = cf::db_get $family => $key
		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
367	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
		636	}
		637
		638	=item cf::datalog type => key => value, ...
		639
		640	Log a datalog packet of the given type with the given key-value pairs.
		641
		642	=cut
		643
		644	sub datalog($@) {
		645	my ($type, %kv) = @_;
		646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	647	}
369		648
370	=back	649	=back
371		650
372	=cut	651	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
381		660
382	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	663	Crossfire TRT).
385		664
386	=over 4	665	=over 4
387		666
388	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
389		668
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	782	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	783	our @CB_MAP = ();
505		784
506	my %attachment;	785	my %attachment;
507		786
		787	sub cf::attachable::thawer_merge {
		788	# simply override everything except _meta
		789	local $_[0]{_meta};
		790	%{$_[0]} = %{$_[1]};
		791	}
		792
508	sub _attach_cb($$$$) {	793	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	794	my ($registry, $event, $prio, $cb) = @_;
510		795
511	use sort 'stable';	796	use sort 'stable';
512		797
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
547		832
548	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		837
553	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	839	my $pkg = shift @arg;
555		840
556	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
586	}	871	}
587		872
588	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
589	} else {	874	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	876	}
592		877
593	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
594	}	879	}
595		880
…		…
597	if (ref $_[0]) {	882	if (ref $_[0]) {
598	_object_attach @_;	883	_object_attach @_;
599	} else {	884	} else {
600	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
601	}	886	}
		887	_recalc_want;
602	};	888	};
603		889
604	# all those should be optimised	890	# all those should be optimised
605	sub cf::attachable::detach {	891	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
610	reattach ($obj);	896	reattach ($obj);
611	} else {	897	} else {
612	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
613	}	899	}
		900	_recalc_want;
614	};	901	};
615		902
616	sub cf::attachable::attached {	903	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
618		905
…		…
633	";	920	";
634	die if $@;	921	die if $@;
635	}	922	}
636		923
637	our $override;	924	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		926
640	sub override {	927	sub override {
641	$override = 1;	928	$override = 1;
642	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
643	}	930	}
644		931
645	sub do_invoke {	932	sub do_invoke {
646	my $event = shift;	933	my $event = shift;
647	my $callbacks = shift;	934	my $callbacks = shift;
648		935
649	@invoke_results = ();	936	@INVOKE_RESULTS = ();
650		937
651	local $override;	938	local $override;
652		939
653	for (@$callbacks) {	940	for (@$callbacks) {
654	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
671		958
672	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
673		960
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		964
678	=back	965	=back
679		966
680	=cut	967	=cut
681		968
682	#############################################################################	969	#############################################################################
683	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	local $Storable::canonical = 1;
		977	my $fob1 = Storable::freeze $ob1;
		978	my $fob2 = Storable::freeze $ob2;
		979
		980	$fob1 eq $fob2
		981	}
684		982
685	sub reattach {	983	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	985	my ($obj) = @_;
688		986
…		…
735	sub object_freezer_save {	1033	sub object_freezer_save {
736	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
737		1035
738	sync_job {	1036	sync_job {
739	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
740	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
741	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
742		1041
743	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
744	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
745	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
746	aio_fsync $fh;	1045	aio_fsync $fh if $cf::USE_FSYNC;
747	close $fh;	1046	close $fh;
748		1047
749	if (@$objs) {	1048	if (@$objs) {
750	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
751	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
752	my $data = Storable::nfreeze { version => 1, objs => $objs };	1051	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
753	aio_write $fh, 0, (length $data), $data, 0;	1052	aio_write $fh, 0, (length $data), $data, 0;
754	aio_fsync $fh;	1053	aio_fsync $fh if $cf::USE_FSYNC;
755	close $fh;	1054	close $fh;
756	aio_rename "$filename.pst~", "$filename.pst";	1055	aio_rename "$filename.pst~", "$filename.pst";
757	}	1056	}
758	} else {	1057	} else {
759	aio_unlink "$filename.pst";	1058	aio_unlink "$filename.pst";
…		…
765	}	1064	}
766	} else {	1065	} else {
767	aio_unlink $filename;	1066	aio_unlink $filename;
768	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
769	}	1068	}
770	}	1069	};
771	}	1070	}
772		1071
773	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
774	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
775		1074
…		…
787	or return;	1086	or return;
788		1087
789	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
790	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
791	or return;	1090	or return;
792	$av = eval { (Storable::thaw $av)->{objs} };
793	}
794		1091
		1092	my $st = eval { Coro::Storable::thaw $av }
		1093	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1094	$av = $st->{objs};
		1095	}
		1096
		1097	utf8::decode (my $decname = $filename);
795	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
796	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
797	return ($data, $av);	1101	($data, $av)
798	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
799		1109
800	#############################################################################	1110	#############################################################################
801	# command handling &c	1111	# command handling &c
802		1112
803	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
816	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
817	}	1127	}
818		1128
819	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
820		1130
821	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
822		1136
823	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
824	called.	1138	called.
825		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
826	=cut	1151	=cut
827		1152
828	sub register_extcmd {	1153	sub register_extcmd {
829	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
830		1155
831	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
832	}	1163	}
833		1164
834	cf::player->attach (	1165	cf::player->attach (
835	on_command => sub {	1166	on_command => sub {
836	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
845	cf::override;	1176	cf::override;
846	},	1177	},
847	on_extcmd => sub {	1178	on_extcmd => sub {
848	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
849		1180
850	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
851		1182
852	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
853	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
854	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
855	$pl->ext_reply ($msg->{msgid}, %reply);
856	}
857	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
858	} else {	1198	} else {
859	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
860	}	1200	}
861		1201
862	cf::override;	1202	cf::override;
863	},	1203	},
864	);	1204	);
865		1205
866	sub load_extension {
867	my ($path) = @_;
868
869	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
870	my $base = $1;
871	my $pkg = $1;
872	$pkg =~ s/[^[:word:]]/_/g;
873	$pkg = "ext::$pkg";
874
875	warn "... loading '$path' into '$pkg'\n";
876
877	open my $fh, "<:utf8", $path
878	or die "$path: $!";
879
880	my $source =
881	"package $pkg; use strict; use utf8;\n"
882	. "#line 1 \"$path\"\n{\n"
883	. (do { local $/; <$fh> })
884	. "\n};\n1";
885
886	unless (eval $source) {
887	my $msg = $@ ? "$path: $@\n"
888	: "extension disabled.\n";
889	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
890	warn $@;
891	warn "mandatory extension failed to load, exiting.\n";
892	exit 1;
893	}
894	die $@;
895	}
896
897	push @EXTS, $pkg;
898	}
899
900	sub load_extensions {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
901	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
902	next unless -r $ext;	1211	next unless -r $path;
903	eval {	1212
904	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
905	1	1270	}
906	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
907	}	1276	};
908	}	1277	}
909		1278
910	#############################################################################	1279	#############################################################################
911		1280
		1281	=back
		1282
912	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
913		1284
914	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
915		1286
916	=cut	1287	=cut
…		…
921		1292
922	=head3 cf::player	1293	=head3 cf::player
923		1294
924	=over 4	1295	=over 4
925		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
		1310
926	=item cf::player::find $login	1311	=item cf::player::find $login
927		1312
928	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
929		1314
930	=cut	1315	=cut
931		1316
932	sub playerdir($) {	1317	sub playerdir($) {
933	cf::localdir	1318	"$PLAYERDIR/"
934	. "/"
935	. cf::playerdir
936	. "/"
937	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1319	. (ref $_[0] ? $_[0]->ob->name : $_[0])
938	}	1320	}
939		1321
940	sub path($) {	1322	sub path($) {
941	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1323	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942		1324
943	(playerdir $login) . "/$login.pl"	1325	(playerdir $login) . "/playerdata"
944	}	1326	}
945		1327
946	sub find_active($) {	1328	sub find_active($) {
947	$cf::PLAYER{$_[0]}	1329	$cf::PLAYER{$_[0]}
948	and $cf::PLAYER{$_[0]}->active	1330	and $cf::PLAYER{$_[0]}->active
…		…
951		1333
952	sub exists($) {	1334	sub exists($) {
953	my ($login) = @_;	1335	my ($login) = @_;
954		1336
955	$cf::PLAYER{$login}	1337	$cf::PLAYER{$login}
956	or cf::sync_job { !aio_stat $login }	1338	or cf::sync_job { !aio_stat path $login }
957	}	1339	}
958		1340
959	sub find($) {	1341	sub find($) {
960	return $cf::PLAYER{$_[0]} || do {	1342	return $cf::PLAYER{$_[0]} || do {
961	my $login = $_[0];	1343	my $login = $_[0];
962		1344
963	my $guard = cf::lock_acquire "user_find:$login";	1345	my $guard = cf::lock_acquire "user_find:$login";
964		1346
965	$cf::PLAYER{$_[0]} || do {	1347	$cf::PLAYER{$_[0]} || do {
966	my $pl = load_pl path $login	1348	# rename old playerfiles to new ones
		1349	#TODO: remove when no longer required
		1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1353	aio_unlink +(playerdir $login) . "/$login.pl";
		1354
		1355	my $f = new_from_file cf::object::thawer path $login
967	or return;	1356	or return;
		1357
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
968	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
969	}	1363	}
970	}	1364	}
971	}	1365	}
972		1366
…		…
982		1376
983	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
984	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
985		1379
986	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
987	Coro::cede;	1381	cf::cede_to_tick;
988	}	1382	}
989		1383
990	sub new($) {	1384	sub new($) {
991	my ($login) = @_;	1385	my ($login) = @_;
992		1386
…		…
998	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
999		1393
1000	$self	1394	$self
1001	}	1395	}
1002		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
		1405	}
		1406
1003	=item $pl->quit_character	1407	=item $pl->quit_character
1004		1408
1005	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
1006	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1007		1411
1008	=cut	1412	=cut
1009		1413
1010	sub quit_character {	1414	sub quit_character {
1011	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1012		1418
1013	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1014	$pl->password ("*"); # this should lock out the player until we nuked the dir	1420	$pl->password ("*"); # this should lock out the player until we nuked the dir
1015		1421
1016	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1021	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1022	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1023	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1024	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1025	$pl->destroy;	1431	$pl->destroy;
		1432
		1433	my $prefix = qr<^~\Q$name\E/>;
		1434
		1435	# nuke player maps
		1436	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1437
1026	IO::AIO::aio_rmtree $temp;	1438	IO::AIO::aio_rmtree $temp;
		1439	}
		1440
		1441	=item $pl->kick
		1442
		1443	Kicks a player out of the game. This destroys the connection.
		1444
		1445	=cut
		1446
		1447	sub kick {
		1448	my ($pl, $kicker) = @_;
		1449
		1450	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1451	$pl->killer ("kicked");
		1452	$pl->ns->destroy;
1027	}	1453	}
1028		1454
1029	=item cf::player::list_logins	1455	=item cf::player::list_logins
1030		1456
1031	Returns am arrayref of all valid playernames in the system, can take a	1457	Returns am arrayref of all valid playernames in the system, can take a
1032	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1033		1459
1034	=cut	1460	=cut
1035		1461
1036	sub list_logins {	1462	sub list_logins {
1037	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1038	or return [];	1464	or return [];
1039		1465
1040	my @logins;	1466	my @logins;
1041		1467
1042	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1043	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1044	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1045	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1046		1477
1047	utf8::decode $login;	1478	utf8::decode $login;
1048	push @logins, $login;	1479	push @logins, $login;
1049	}	1480	}
1050		1481
…		…
1058		1489
1059	=cut	1490	=cut
1060		1491
1061	sub maps($) {	1492	sub maps($) {
1062	my ($pl) = @_;	1493	my ($pl) = @_;
		1494
		1495	$pl = ref $pl ? $pl->ob->name : $pl;
1063		1496
1064	my $files = aio_readdir playerdir $pl	1497	my $files = aio_readdir playerdir $pl
1065	or return;	1498	or return;
1066		1499
1067	my @paths;	1500	my @paths;
…		…
1069	for (@$files) {	1502	for (@$files) {
1070	utf8::decode $_;	1503	utf8::decode $_;
1071	next if /\.(?:pl|pst)$/;	1504	next if /\.(?:pl|pst)$/;
1072	next unless /^$PATH_SEP/o;	1505	next unless /^$PATH_SEP/o;
1073		1506
1074	s/\.map$//;	1507	push @paths, cf::map::normalise "~$pl/$_";
1075	push @paths, "~" . $pl->ob->name . "/" . $_;
1076	}	1508	}
1077		1509
1078	\@paths	1510	\@paths
1079	}	1511	}
1080		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1081	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1082		1565
1083	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1084		1567
1085	=cut	1568	=cut
1086		1569
1087	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1088	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1089		1572
1090	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1091
1092	$self->send ("ext " . cf::to_json \%msg);
1093	}	1574	}
1094		1575
1095	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		1583	my ($self, $type, @msg) = @_;
		1584
		1585	$self->ns->ext_msg ($type, @msg);
		1586	}
		1587
		1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1096		1616
1097	=back	1617	=back
1098
1099		1618
1100	=head3 cf::map	1619	=head3 cf::map
1101		1620
1102	=over 4	1621	=over 4
1103		1622
…		…
1107		1626
1108	use Fcntl;	1627	use Fcntl;
1109	use Coro::AIO;	1628	use Coro::AIO;
1110		1629
1111	use overload	1630	use overload
1112	'""' => \&as_string;	1631	'""' => \&as_string,
		1632	fallback => 1;
1113		1633
1114	our $MAX_RESET = 3600;	1634	our $MAX_RESET = 3600;
1115	our $DEFAULT_RESET = 3000;	1635	our $DEFAULT_RESET = 3000;
1116		1636
1117	sub generate_random_map {	1637	sub generate_random_map {
1118	my ($self, $rmp) = @_;	1638	my ($self, $rmp) = @_;
1119
1120	# mit "rum" bekleckern, nicht	1639	# mit "rum" bekleckern, nicht
1121	$self->_create_random_map (	1640	$self->_create_random_map (
1122	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1124	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1131	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1650	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132	(cf::region::find $rmp->{region}), $rmp->{custom}	1651	(cf::region::find $rmp->{region}), $rmp->{custom}
1133	)	1652	)
1134	}	1653	}
1135		1654
		1655	=item cf::map->register ($regex, $prio)
		1656
		1657	Register a handler for the map path matching the given regex at the
		1658	givne priority (higher is better, built-in handlers have priority 0, the
		1659	default).
		1660
		1661	=cut
		1662
1136	sub register {	1663	sub register {
1137	my (undef, $regex) = @_;	1664	my (undef, $regex, $prio) = @_;
1138	my $pkg = caller;	1665	my $pkg = caller;
1139		1666
1140	no strict;	1667	no strict;
1141	push @{"$pkg\::ISA"}, __PACKAGE__;	1668	push @{"$pkg\::ISA"}, __PACKAGE__;
1142		1669
1143	$EXT_MAP{$pkg} = qr<$regex>;	1670	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144	}	1671	}
1145		1672
1146	# also paths starting with '/'	1673	# also paths starting with '/'
1147	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1674	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1675
		1676	sub thawer_merge {
		1677	my ($self, $merge) = @_;
		1678
		1679	# we have to keep some variables in memory intact
		1680	local $self->{path};
		1681	local $self->{load_path};
		1682
		1683	$self->SUPER::thawer_merge ($merge);
		1684	}
1148		1685
1149	sub normalise {	1686	sub normalise {
1150	my ($path, $base) = @_;	1687	my ($path, $base) = @_;
		1688
		1689	$path = "$path"; # make sure its a string
		1690
		1691	$path =~ s/\.map$//;
1151		1692
1152	# map plan:	1693	# map plan:
1153	#	1694	#
1154	# /! non-realised random map exit (special hack!)	1695	# /! non-realised random map exit (special hack!)
1155	# {... are special paths that are not being touched	1696	# {... are special paths that are not being touched
…		…
1183		1724
1184	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1725	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185		1726
1186	$path = normalise $path, $base;	1727	$path = normalise $path, $base;
1187		1728
1188	for my $pkg (keys %EXT_MAP) {	1729	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189	if ($path =~ $EXT_MAP{$pkg}) {	1730	if ($path =~ $EXT_MAP{$pkg}[1]) {
1190	my $self = bless cf::map::new, $pkg;	1731	my $self = bless cf::map::new, $pkg;
1191	$self->{path} = $path; $self->path ($path);	1732	$self->{path} = $path; $self->path ($path);
1192	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1193	return $self;	1734	return $self;
1194	}	1735	}
1195	}	1736	}
1196		1737
1197	Carp::carp "unable to resolve path '$path'.";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1198	()	1739	()
1199	}	1740	}
1200		1741
1201	sub init {	1742	sub init {
1202	my ($self) = @_;	1743	my ($self) = @_;
…		…
1217		1758
1218	# the original (read-only) location	1759	# the original (read-only) location
1219	sub load_path {	1760	sub load_path {
1220	my ($self) = @_;	1761	my ($self) = @_;
1221		1762
1222	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1223	}	1764	}
1224		1765
1225	# the temporary/swap location	1766	# the temporary/swap location
1226	sub save_path {	1767	sub save_path {
1227	my ($self) = @_;	1768	my ($self) = @_;
1228		1769
1229	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1230	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1231	}	1772	}
1232		1773
1233	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1234	sub uniq_path {	1775	sub uniq_path {
1235	my ($self) = @_;	1776	my ($self) = @_;
1236		1777
1237	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1238	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1239	}	1780	}
1240		1781
1241	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1242	# all maps in C++...	1783	# all maps in C++...
1243	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1245		1786
1246	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1247	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1248	}	1789	}
1249		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1250	sub unlink_save {	1799	sub unlink_save {
1251	my ($self) = @_;	1800	my ($self) = @_;
1252		1801
1253	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1254	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256	}	1805	}
1257		1806
1258	sub load_header_from($) {	1807	sub load_header_from($) {
1259	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1260		1809
1261	utf8::encode $path;	1810	utf8::encode $path;
1262	aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1263	or return;	1812	or return;
1264		1813
1265	$self->_load_header ($path)	1814	$self->_load_header ($f)
1266	or return;	1815	or return;
1267		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
		1819
1268	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1269		1821
1270	1	1822	1
1271	}	1823	}
1272		1824
1273	sub load_orig {	1825	sub load_header_orig {
1274	my ($self) = @_;	1826	my ($self) = @_;
1275		1827
1276	$self->load_header_from ($self->load_path)	1828	$self->load_header_from ($self->load_path)
1277	}	1829	}
1278		1830
1279	sub load_temp {	1831	sub load_header_temp {
1280	my ($self) = @_;	1832	my ($self) = @_;
1281		1833
1282	$self->load_header_from ($self->save_path)	1834	$self->load_header_from ($self->save_path)
		1835	}
		1836
		1837	sub prepare_temp {
		1838	my ($self) = @_;
		1839
		1840	$self->last_access ((delete $self->{last_access})
		1841	|| $cf::RUNTIME); #d#
		1842	# safety
		1843	$self->{instantiate_time} = $cf::RUNTIME
		1844	if $self->{instantiate_time} > $cf::RUNTIME;
		1845	}
		1846
		1847	sub prepare_orig {
		1848	my ($self) = @_;
		1849
		1850	$self->{load_original} = 1;
		1851	$self->{instantiate_time} = $cf::RUNTIME;
		1852	$self->last_access ($cf::RUNTIME);
		1853	$self->instantiate;
1283	}	1854	}
1284		1855
1285	sub load_header {	1856	sub load_header {
1286	my ($self) = @_;	1857	my ($self) = @_;
1287		1858
1288	if ($self->load_temp) {	1859	if ($self->load_header_temp) {
1289	$self->last_access ((delete $self->{last_access})	1860	$self->prepare_temp;
1290	|| $cf::RUNTIME); #d#
1291	# safety
1292	$self->{instantiate_time} = $cf::RUNTIME
1293	if $self->{instantiate_time} > $cf::RUNTIME;
1294	} else {	1861	} else {
1295	$self->load_orig	1862	$self->load_header_orig
1296	or return;	1863	or return;
1297		1864	$self->prepare_orig;
1298	$self->{load_original} = 1;
1299	$self->{instantiate_time} = $cf::RUNTIME;
1300	$self->last_access ($cf::RUNTIME);
1301	$self->instantiate;
1302	}	1865	}
		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
		1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
1303		1872
1304	1	1873	1
1305	}	1874	}
1306		1875
1307	sub find;	1876	sub find;
1308	sub find {	1877	sub find {
1309	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1310		1879
1311	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1312		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1313	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1314		1884
1315	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1316	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1317	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1318	or return;	1890	or return;
1319		1891
1320	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1321		1893
1322	$map->load_header	1894	$map->load_header
1323	or return;	1895	or return;
1324		1896
1325	if ($map->should_reset) {	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1898	# doing this can freeze the server in a sync job, obviously
		1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1326	$map->reset;	1902	$map->reset;
1327	undef $guard;
1328	$map = find $path	1903	return find $path;
1329	or return;
1330	}	1904	}
1331		1905
1332	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1333	}	1907	}
1334	}	1908	}
		1909
		1910	sub pre_load { }
		1911	sub post_load { }
1335		1912
1336	sub load {	1913	sub load {
1337	my ($self) = @_;	1914	my ($self) = @_;
1338		1915
		1916	local $self->{deny_reset} = 1; # loading can take a long time
		1917
1339	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1340	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1341		1922
		1923	return unless $self->valid;
1342	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1343		1925
1344	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1345		1927
1346	$self->alloc;	1928	$self->alloc;
1347	$self->_load_objects ($self->{load_path}, 1)	1929
		1930	$self->pre_load;
		1931	cf::cede_to_tick;
		1932
		1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1348	or return;	1936	or return;
1349		1937
1350	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1351	if delete $self->{load_original};	1939	if delete $self->{load_original};
1352		1940
1353	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1354	utf8::encode $uniq;	1942	utf8::encode $uniq;
1355	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1356	$self->clear_unique_items;	1945	$self->clear_unique_items;
1357	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1358	}	1949	}
1359	}	1950	}
1360		1951
1361	Coro::cede;	1952	$f->resolve_delayed_derefs;
1362		1953
		1954	cf::cede_to_tick;
1363	# now do the right thing for maps	1955	# now do the right thing for maps
1364	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1365
1366	unless ($self->{deny_activate}) {
1367	$self->decay_objects;
1368	$self->fix_auto_apply;
1369	$self->update_buttons;
1370	Coro::cede;
1371	$self->set_darkness_map;
1372	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1373	unless $self->difficulty;	1958	unless $self->difficulty;
1374	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1375	$self->activate;	1968	$self->activate;
1376	}	1969	}
1377		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
1378	$self->in_memory (cf::MAP_IN_MEMORY);	1974	$self->in_memory (cf::MAP_IN_MEMORY);
		1975	}
		1976
		1977	$self->post_load;
1379	}	1978	}
1380		1979
1381	sub customise_for {	1980	sub customise_for {
1382	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1383		1982
1384	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1385	if $self->per_player;	1984	if $self->per_player;
1386		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1387	$self	1989	$self
1388	}	1990	}
1389		1991
1390	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1391	sub load_diag {	1993	sub load_neighbours {
1392	my ($map) = @_;	1994	my ($map) = @_;
1393		1995
1394	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1395		1997
1396	for (0 .. 3) {	1998	for (0 .. 3) {
1397	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1398	or next;	2000	or next;
1399	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1400	or next;	2002	or next;
1401	$neigh->load;	2003	$neigh->load;
1402		2004
		2005	push @neigh,
1403	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1404	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1405	}	2008	}
1406		2009
1407	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1408	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1409	or next;	2013	or next;
1410	$neigh->load;	2014	$neigh->load;
1411	}	2015	}
1412	}	2016	}
1413		2017
…		…
1418	}	2022	}
1419		2023
1420	sub do_load_sync {	2024	sub do_load_sync {
1421	my ($map) = @_;	2025	my ($map) = @_;
1422		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1423	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1424	}	2031	}
1425		2032
1426	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1427	our $MAP_PREFETCHER = Coro::async {	2034	our $MAP_PREFETCHER = undef;
1428	while () {
1429	for my $path (keys %MAP_PREFETCH) {
1430	my $map = find $path
1431	or next;
1432	$map->load;
1433
1434	delete $MAP_PREFETCH{$path};
1435	}
1436	Coro::schedule;
1437	}
1438	};
1439		2035
1440	sub find_async {	2036	sub find_async {
1441	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1442		2038
1443	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1444		2040
1445	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1446	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2043	}
		2044
		2045	$MAP_PREFETCH{$path} |= $load;
		2046
		2047	$MAP_PREFETCHER ||= cf::async {
		2048	$Coro::current->{desc} = "map prefetcher";
		2049
		2050	while (%MAP_PREFETCH) {
		2051	while (my ($k, $v) = each %MAP_PREFETCH) {
		2052	if (my $map = find $k) {
		2053	$map->load if $v;
		2054	}
		2055
		2056	delete $MAP_PREFETCH{$k};
		2057	}
		2058	}
		2059	undef $MAP_PREFETCHER;
1447	}	2060	};
1448
1449	$MAP_PREFETCH{$path} = 0;
1450	$MAP_PREFETCHER->ready;	2061	$MAP_PREFETCHER->prio (6);
1451		2062
1452	()	2063	()
1453	}	2064	}
1454		2065
1455	sub save {	2066	sub save {
1456	my ($self) = @_;	2067	my ($self) = @_;
1457		2068
1458	my $lock = cf::lock_acquire "map_data:" . $self->path;	2069	my $lock = cf::lock_acquire "map_data:$self->{path}";
1459		2070
1460	$self->{last_save} = $cf::RUNTIME;	2071	$self->{last_save} = $cf::RUNTIME;
1461		2072
1462	return unless $self->dirty;	2073	return unless $self->dirty;
1463		2074
…		…
1469	return if $self->{deny_save};	2080	return if $self->{deny_save};
1470		2081
1471	local $self->{last_access} = $self->last_access;#d#	2082	local $self->{last_access} = $self->last_access;#d#
1472		2083
1473	cf::async {	2084	cf::async {
		2085	$Coro::current->{desc} = "map player save";
1474	$_->contr->save for $self->players;	2086	$_->contr->save for $self->players;
1475	};	2087	};
1476		2088
1477	if ($uniq) {	2089	if ($uniq) {
1478	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1486	my ($self) = @_;	2098	my ($self) = @_;
1487		2099
1488	# save first because save cedes	2100	# save first because save cedes
1489	$self->save;	2101	$self->save;
1490		2102
1491	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1492		2104
1493	return if $self->players;	2105	return if $self->players;
1494	return if $self->in_memory != cf::MAP_IN_MEMORY;	2106	return if $self->in_memory != cf::MAP_IN_MEMORY;
1495	return if $self->{deny_save};	2107	return if $self->{deny_save};
1496		2108
		2109	$self->in_memory (cf::MAP_SWAPPED);
		2110
		2111	$self->deactivate;
		2112	$_->clear_links_to ($self) for values %cf::MAP;
1497	$self->clear;	2113	$self->clear;
1498	$self->in_memory (cf::MAP_SWAPPED);
1499	}	2114	}
1500		2115
1501	sub reset_at {	2116	sub reset_at {
1502	my ($self) = @_;	2117	my ($self) = @_;
1503		2118
1504	# TODO: safety, remove and allow resettable per-player maps	2119	# TODO: safety, remove and allow resettable per-player maps
1505	return 1e99 if $self->isa ("ext::map_per_player");#d#
1506	return 1e99 if $self->{deny_reset};	2120	return 1e99 if $self->{deny_reset};
1507		2121
1508	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2122	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1509	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2123	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1510		2124
…		…
1515	my ($self) = @_;	2129	my ($self) = @_;
1516		2130
1517	$self->reset_at <= $cf::RUNTIME	2131	$self->reset_at <= $cf::RUNTIME
1518	}	2132	}
1519		2133
1520	sub rename {
1521	my ($self, $new_path) = @_;
1522
1523	normalise $new_path;
1524
1525	$self->unlink_save;
1526
1527	delete $cf::MAP{$self->path};
1528	$self->{path} = $new_path; $self->path ($self->{path});
1529	$cf::MAP{$self->path} = $self;
1530
1531	$self->save;
1532	}
1533
1534	sub reset {	2134	sub reset {
1535	my ($self) = @_;	2135	my ($self) = @_;
1536		2136
1537	my $lock = cf::lock_acquire "map_data:$self->{path}";	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1538		2138
1539	return if $self->players;	2139	return if $self->players;
1540	return if $self->isa ("ext::map_per_player");#d#
1541		2140
1542	warn "resetting map ", $self->path;#d#	2141	warn "resetting map ", $self->path;
		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	# need to save uniques path
		2146	unless ($self->{deny_save}) {
		2147	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2148
		2149	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2150	if $uniq;
		2151	}
1543		2152
1544	delete $cf::MAP{$self->path};	2153	delete $cf::MAP{$self->path};
1545		2154
1546	$self->in_memory (cf::MAP_SWAPPED);	2155	$self->deactivate;
		2156	$_->clear_links_to ($self) for values %cf::MAP;
1547	$self->clear;	2157	$self->clear;
1548
1549	$_->clear_links_to ($self) for values %cf::MAP;
1550		2158
1551	$self->unlink_save;	2159	$self->unlink_save;
1552	$self->destroy;	2160	$self->destroy;
1553	}	2161	}
1554		2162
1555	my $nuke_counter = "aaaa";	2163	my $nuke_counter = "aaaa";
1556		2164
1557	sub nuke {	2165	sub nuke {
1558	my ($self) = @_;	2166	my ($self) = @_;
1559		2167
		2168	{
		2169	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2170
		2171	delete $cf::MAP{$self->path};
		2172
		2173	$self->unlink_save;
		2174
		2175	bless $self, "cf::map";
		2176	delete $self->{deny_reset};
1560	$self->{deny_save} = 1;	2177	$self->{deny_save} = 1;
1561	$self->reset_timeout (1);	2178	$self->reset_timeout (1);
1562	$self->rename ("{nuke}/" . ($nuke_counter++));	2179	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2180
		2181	$cf::MAP{$self->path} = $self;
		2182	}
		2183
1563	$self->reset; # polite request, might not happen	2184	$self->reset; # polite request, might not happen
		2185	}
		2186
		2187	=item $maps = cf::map::tmp_maps
		2188
		2189	Returns an arrayref with all map paths of currently instantiated and saved
		2190	maps. May block.
		2191
		2192	=cut
		2193
		2194	sub tmp_maps() {
		2195	[
		2196	map {
		2197	utf8::decode $_;
		2198	/\.map$/
		2199	? normalise $_
		2200	: ()
		2201	} @{ aio_readdir $TMPDIR or [] }
		2202	]
		2203	}
		2204
		2205	=item $maps = cf::map::random_maps
		2206
		2207	Returns an arrayref with all map paths of currently instantiated and saved
		2208	random maps. May block.
		2209
		2210	=cut
		2211
		2212	sub random_maps() {
		2213	[
		2214	map {
		2215	utf8::decode $_;
		2216	/\.map$/
		2217	? normalise "?random/$_"
		2218	: ()
		2219	} @{ aio_readdir $RANDOMDIR or [] }
		2220	]
1564	}	2221	}
1565		2222
1566	=item cf::map::unique_maps	2223	=item cf::map::unique_maps
1567		2224
1568	Returns an arrayref of paths of all shared maps that have	2225	Returns an arrayref of paths of all shared maps that have
1569	instantiated unique items. May block.	2226	instantiated unique items. May block.
1570		2227
1571	=cut	2228	=cut
1572		2229
1573	sub unique_maps() {	2230	sub unique_maps() {
1574	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2231	[
1575	or return;	2232	map {
1576
1577	my @paths;
1578
1579	for (@$files) {
1580	utf8::decode $_;	2233	utf8::decode $_;
1581	next if /\.pst$/;
1582	next unless /^$PATH_SEP/o;
1583
1584	s/\.map$//;	2234	/\.map$/
1585	push @paths, $_;	2235	? normalise $_
		2236	: ()
		2237	} @{ aio_readdir $UNIQUEDIR or [] }
1586	}	2238	]
1587
1588	\@paths
1589	}	2239	}
1590		2240
1591	package cf;	2241	package cf;
1592		2242
1593	=back	2243	=back
…		…
1611	map { $_, inv_recursive_ $_->inv } @_	2261	map { $_, inv_recursive_ $_->inv } @_
1612	}	2262	}
1613		2263
1614	sub inv_recursive {	2264	sub inv_recursive {
1615	inv_recursive_ inv $_[0]	2265	inv_recursive_ inv $_[0]
		2266	}
		2267
		2268	=item $ref = $ob->ref
		2269
		2270	creates and returns a persistent reference to an objetc that can be stored as a string.
		2271
		2272	=item $ob = cf::object::deref ($refstring)
		2273
		2274	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2275	even if the object actually exists. May block.
		2276
		2277	=cut
		2278
		2279	sub deref {
		2280	my ($ref) = @_;
		2281
		2282	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1616	}	2294	}
1617		2295
1618	package cf;	2296	package cf;
1619		2297
1620	=back	2298	=back
…		…
1639		2317
1640	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1641		2319
1642	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1643	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1644	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1645	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1646	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1647	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1648	}	2345	}
1649		2346
1650	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1651		2348
1652	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1684	=cut	2381	=cut
1685		2382
1686	sub link_map {	2383	sub link_map {
1687	unless ($LINK_MAP) {	2384	unless ($LINK_MAP) {
1688	$LINK_MAP = cf::map::find "{link}"	2385	$LINK_MAP = cf::map::find "{link}"
1689	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2386	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690	$LINK_MAP->load;	2387	$LINK_MAP->load;
1691	}	2388	}
1692		2389
1693	$LINK_MAP	2390	$LINK_MAP
1694	}	2391	}
…		…
1699	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1700		2397
1701	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1702		2399
1703	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1705		2402
1706	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1707	}	2404	}
1708		2405
1709	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1710	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1711		2410
1712	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1713		2412
1714	unless ($map) {	2413	unless ($map) {
1715	# restore original map position	2414	# restore original map position
…		…
1729	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1730	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1731	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1732		2431
1733	$map->load;	2432	$map->load;
1734	$map->load_diag;	2433	$map->load_neighbours;
1735		2434
1736	return unless $self->contr->active;	2435	return unless $self->contr->active;
1737	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1739	}	2440	}
1740		2441
1741	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1742	on_logout => sub {
1743	my ($pl) = @_;
1744		2443
1745	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1746	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1747	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1748	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1749	};	2448	be called at the end of this process.
1750	}
1751	},
1752	on_login => sub {
1753	my ($pl) = @_;
1754		2449
1755	# try to abort aborted map switching on player login :)
1756	# should happen only on crashes
1757	if ($pl->ob->{_link_pos}) {
1758	$pl->ob->enter_link;
1759	(async {
1760	# we need this sleep as the login has a concurrent enter_exit running
1761	# and this sleep increases chances of the player not ending up in scorn
1762	$pl->ob->reply (undef,
1763	"There was an internal problem at your last logout, "
1764	. "the server will try to bring you to your intended destination in a second.",
1765	cf::NDI_RED);
1766	Coro::Timer::sleep 1;
1767	$pl->ob->leave_link;
1768	})->prio (2);
1769	}
1770	},
1771	);
1772
1773	=item $player_object->goto ($path, $x, $y)
1774
1775	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1776		2453
1777	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1778	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1779		2459
1780	$self->enter_link;	2460	$self->enter_link;
1781		2461
1782	(async {	2462	(async {
1783	my $map = cf::map::find $path;	2463	$Coro::current->{desc} = "player::goto $path $x $y";
		2464
		2465	# *tag paths override both path and x|y
		2466	if ($path =~ /^\*(.*)$/) {
		2467	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2468	my $ob = $obs[rand @obs];
		2469
		2470	# see if we actually can go there
		2471	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2472	$ob = $obs[rand @obs];
		2473	} else {
		2474	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2475	}
		2476	# else put us there anyways for now #d#
		2477
		2478	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2479	} else {
		2480	($path, $x, $y) = (undef, undef, undef);
		2481	}
		2482	}
		2483
		2484	my $map = eval {
		2485	my $map = defined $path ? cf::map::find $path : undef;
		2486
		2487	if ($map) {
1784	$map = $map->customise_for ($self) if $map;	2488	$map = $map->customise_for ($self);
1785		2489	$map = $check->($map) if $check && $map;
1786	# warn "entering ", $map->path, " at ($x, $y)\n"	2490	} else {
1787	# if $map;
1788
1789	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2491	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2492	}
1790		2493
		2494	$map
		2495	};
		2496
		2497	if ($@) {
		2498	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2499	LOG llevError | logBacktrace, Carp::longmess $@;
		2500	}
		2501
		2502	if ($gen == $self->{_goto_generation}) {
		2503	delete $self->{_goto_generation};
1791	$self->leave_link ($map, $x, $y);	2504	$self->leave_link ($map, $x, $y);
		2505	}
		2506
		2507	$done->() if $done;
1792	})->prio (1);	2508	})->prio (1);
1793	}	2509	}
1794		2510
1795	=item $player_object->enter_exit ($exit_object)	2511	=item $player_object->enter_exit ($exit_object)
1796		2512
…		…
1798		2514
1799	sub parse_random_map_params {	2515	sub parse_random_map_params {
1800	my ($spec) = @_;	2516	my ($spec) = @_;
1801		2517
1802	my $rmp = { # defaults	2518	my $rmp = { # defaults
1803	xsize => 10,	2519	xsize => (cf::rndm 15, 40),
1804	ysize => 10,	2520	ysize => (cf::rndm 15, 40),
		2521	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2522	#layout => string,
1805	};	2523	};
1806		2524
1807	for (split /\n/, $spec) {	2525	for (split /\n/, $spec) {
1808	my ($k, $v) = split /\s+/, $_, 2;	2526	my ($k, $v) = split /\s+/, $_, 2;
1809		2527
…		…
1813	$rmp	2531	$rmp
1814	}	2532	}
1815		2533
1816	sub prepare_random_map {	2534	sub prepare_random_map {
1817	my ($exit) = @_;	2535	my ($exit) = @_;
		2536
		2537	my $guard = cf::lock_acquire "exit_prepare:$exit";
1818		2538
1819	# all this does is basically replace the /! path by	2539	# all this does is basically replace the /! path by
1820	# a new random map path (?random/...) with a seed	2540	# a new random map path (?random/...) with a seed
1821	# that depends on the exit object	2541	# that depends on the exit object
1822		2542
1823	my $rmp = parse_random_map_params $exit->msg;	2543	my $rmp = parse_random_map_params $exit->msg;
1824		2544
1825	if ($exit->map) {	2545	if ($exit->map) {
1826	$rmp->{region} = $exit->map->region_name;	2546	$rmp->{region} = $exit->region->name;
1827	$rmp->{origin_map} = $exit->map->path;	2547	$rmp->{origin_map} = $exit->map->path;
1828	$rmp->{origin_x} = $exit->x;	2548	$rmp->{origin_x} = $exit->x;
1829	$rmp->{origin_y} = $exit->y;	2549	$rmp->{origin_y} = $exit->y;
1830	}	2550	}
1831		2551
1832	$rmp->{random_seed} ||= $exit->random_seed;	2552	$rmp->{random_seed} ||= $exit->random_seed;
1833		2553
1834	my $data = cf::to_json $rmp;	2554	my $data = cf::to_json $rmp;
1835	my $md5 = Digest::MD5::md5_hex $data;	2555	my $md5 = Digest::MD5::md5_hex $data;
		2556	my $meta = "$RANDOMDIR/$md5.meta";
1836		2557
1837	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2558	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1838	aio_write $fh, 0, (length $data), $data, 0;	2559	aio_write $fh, 0, (length $data), $data, 0;
		2560	undef $fh;
		2561	aio_rename "$meta~", $meta;
1839		2562
1840	$exit->slaying ("?random/$md5");	2563	$exit->slaying ("?random/$md5");
1841	$exit->msg (undef);	2564	$exit->msg (undef);
1842	}	2565	}
1843	}	2566	}
…		…
1845	sub cf::object::player::enter_exit {	2568	sub cf::object::player::enter_exit {
1846	my ($self, $exit) = @_;	2569	my ($self, $exit) = @_;
1847		2570
1848	return unless $self->type == cf::PLAYER;	2571	return unless $self->type == cf::PLAYER;
1849		2572
		2573	if ($exit->slaying eq "/!") {
		2574	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2575	# the problem is that $exit might not survive long enough
		2576	# so it needs to be done right now, right here
		2577	cf::sync_job { prepare_random_map $exit };
		2578	}
		2579
		2580	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2581	my $hp = $exit->stats->hp;
		2582	my $sp = $exit->stats->sp;
		2583
1850	$self->enter_link;	2584	$self->enter_link;
1851		2585
		2586	# if exit is damned, update players death & WoR home-position
		2587	$self->contr->savebed ($slaying, $hp, $sp)
		2588	if $exit->flag (FLAG_DAMNED);
		2589
1852	(async {	2590	(async {
		2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2592
1853	$self->deactivate_recursive; # just to be sure	2593	$self->deactivate_recursive; # just to be sure
1854	unless (eval {	2594	unless (eval {
1855	prepare_random_map $exit	2595	$self->goto ($slaying, $hp, $sp);
1856	if $exit->slaying eq "/!";
1857
1858	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1859	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1860		2596
1861	1;	2597	1;
1862	}) {	2598	}) {
1863	$self->message ("Something went wrong deep within the crossfire server. "	2599	$self->message ("Something went wrong deep within the crossfire server. "
1864	. "I'll try to bring you back to the map you were before. "	2600	. "I'll try to bring you back to the map you were before. "
1865	. "Please report this to the dungeon master!",	2601	. "Please report this to the dungeon master!",
1866	cf::NDI_UNIQUE | cf::NDI_RED);	2602	cf::NDI_UNIQUE | cf::NDI_RED);
1867		2603
1868	warn "ERROR in enter_exit: $@";	2604	warn "ERROR in enter_exit: $@";
1869	$self->leave_link;	2605	$self->leave_link;
1870	}	2606	}
1871	})->prio (1);	2607	})->prio (1);
…		…
1884		2620
1885	sub cf::client::send_drawinfo {	2621	sub cf::client::send_drawinfo {
1886	my ($self, $text, $flags) = @_;	2622	my ($self, $text, $flags) = @_;
1887		2623
1888	utf8::encode $text;	2624	utf8::encode $text;
1889	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2625	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890	}	2626	}
1891		2627
		2628	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2629
		2630	Send a drawinfo or msg packet to the client, formatting the msg for the
		2631	client if neccessary. C<$type> should be a string identifying the type of
		2632	the message, with C<log> being the default. If C<$color> is negative, suppress
		2633	the message unless the client supports the msg packet.
		2634
		2635	=cut
		2636
		2637	our %CHANNEL = (
		2638	"c/identify" => {
		2639	id => "infobox",
		2640	title => "Identify",
		2641	reply => undef,
		2642	tooltip => "Items recently identified",
		2643	},
		2644	"c/examine" => {
		2645	id => "infobox",
		2646	title => "Examine",
		2647	reply => undef,
		2648	tooltip => "Signs and other items you examined",
		2649	},
		2650	"c/lookat" => {
		2651	id => "infobox",
		2652	title => "Look",
		2653	reply => undef,
		2654	tooltip => "What you saw there",
		2655	},
		2656	);
		2657
		2658	sub cf::client::send_msg {
		2659	my ($self, $channel, $msg, $color, @extra) = @_;
		2660
		2661	$msg = $self->pl->expand_cfpod ($msg);
		2662
		2663	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2664
		2665	# check predefined channels, for the benefit of C
		2666	if ($CHANNEL{$channel}) {
		2667	$channel = $CHANNEL{$channel};
		2668
		2669	$self->ext_msg (channel_info => $channel)
		2670	if $self->can_msg;
		2671
		2672	$channel = $channel->{id};
		2673
		2674	} elsif (ref $channel) {
		2675	# send meta info to client, if not yet sent
		2676	unless (exists $self->{channel}{$channel->{id}}) {
		2677	$self->{channel}{$channel->{id}} = $channel;
		2678	$self->ext_msg (channel_info => $channel)
		2679	if $self->can_msg;
		2680	}
		2681
		2682	$channel = $channel->{id};
		2683	}
		2684
		2685	return unless @extra || length $msg;
		2686
		2687	if ($self->can_msg) {
		2688	# default colour, mask it out
		2689	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2690	if $color & cf::NDI_DEF;
		2691
		2692	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2693	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2694	} else {
		2695	if ($color >= 0) {
		2696	# replace some tags by gcfclient-compatible ones
		2697	for ($msg) {
		2698	1 while
		2699	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2700	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2701	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2702	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2703	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2704	}
		2705
		2706	$color &= cf::NDI_COLOR_MASK;
		2707
		2708	utf8::encode $msg;
		2709
		2710	if (0 && $msg =~ /\[/) {
		2711	# COMMAND/INFO
		2712	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2713	} else {
		2714	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2715	$self->send_packet ("drawinfo $color $msg")
		2716	}
		2717	}
		2718	}
		2719	}
		2720
		2721	=item $client->ext_msg ($type, @msg)
		2722
		2723	Sends an ext event to the client.
		2724
		2725	=cut
		2726
		2727	sub cf::client::ext_msg($$@) {
		2728	my ($self, $type, @msg) = @_;
		2729
		2730	if ($self->extcmd == 2) {
		2731	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2732	} elsif ($self->extcmd == 1) { # TODO: remove
		2733	push @msg, msgtype => "event_$type";
		2734	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2735	}
		2736	}
		2737
		2738	=item $client->ext_reply ($msgid, @msg)
		2739
		2740	Sends an ext reply to the client.
		2741
		2742	=cut
		2743
		2744	sub cf::client::ext_reply($$@) {
		2745	my ($self, $id, @msg) = @_;
		2746
		2747	if ($self->extcmd == 2) {
		2748	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2749	} elsif ($self->extcmd == 1) {
		2750	#TODO: version 1, remove
		2751	unshift @msg, msgtype => "reply", msgid => $id;
		2752	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2753	}
		2754	}
1892		2755
1893	=item $success = $client->query ($flags, "text", \&cb)	2756	=item $success = $client->query ($flags, "text", \&cb)
1894		2757
1895	Queues a query to the client, calling the given callback with	2758	Queues a query to the client, calling the given callback with
1896	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2759	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1897	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2760	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1898		2761
1899	Queries can fail, so check the return code. Or don't, as queries will become	2762	Queries can fail, so check the return code. Or don't, as queries will
1900	reliable at some point in the future.	2763	become reliable at some point in the future.
1901		2764
1902	=cut	2765	=cut
1903		2766
1904	sub cf::client::query {	2767	sub cf::client::query {
1905	my ($self, $flags, $text, $cb) = @_;	2768	my ($self, $flags, $text, $cb) = @_;
…		…
1913	utf8::encode $text;	2776	utf8::encode $text;
1914	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2777	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1915		2778
1916	$self->send_packet ($self->{query_queue}[0][0])	2779	$self->send_packet ($self->{query_queue}[0][0])
1917	if @{ $self->{query_queue} } == 1;	2780	if @{ $self->{query_queue} } == 1;
		2781
		2782	1
1918	}	2783	}
1919		2784
1920	cf::client->attach (	2785	cf::client->attach (
		2786	on_connect => sub {
		2787	my ($ns) = @_;
		2788
		2789	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2790	},
1921	on_reply => sub {	2791	on_reply => sub {
1922	my ($ns, $msg) = @_;	2792	my ($ns, $msg) = @_;
1923		2793
1924	# this weird shuffling is so that direct followup queries	2794	# this weird shuffling is so that direct followup queries
1925	# get handled first	2795	# get handled first
1926	my $queue = delete $ns->{query_queue}	2796	my $queue = delete $ns->{query_queue}
1927	or return; # be conservative, not sure how that can happen, but we saw a crash here	2797	or return; # be conservative, not sure how that can happen, but we saw a crash here
1928		2798
1929	(shift @$queue)->[1]->($msg);	2799	(shift @$queue)->[1]->($msg);
		2800	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930		2801
1931	push @{ $ns->{query_queue} }, @$queue;	2802	push @{ $ns->{query_queue} }, @$queue;
1932		2803
1933	if (@{ $ns->{query_queue} } == @$queue) {	2804	if (@{ $ns->{query_queue} } == @$queue) {
1934	if (@$queue) {	2805	if (@$queue) {
…		…
1936	} else {	2807	} else {
1937	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2808	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1938	}	2809	}
1939	}	2810	}
1940	},	2811	},
		2812	on_exticmd => sub {
		2813	my ($ns, $buf) = @_;
		2814
		2815	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2816
		2817	if (ref $msg) {
		2818	my ($type, $reply, @payload) =
		2819	"ARRAY" eq ref $msg
		2820	? @$msg
		2821	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2822
		2823	my @reply;
		2824
		2825	if (my $cb = $EXTICMD{$type}) {
		2826	@reply = $cb->($ns, @payload);
		2827	}
		2828
		2829	$ns->ext_reply ($reply, @reply)
		2830	if $reply;
		2831
		2832	} else {
		2833	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2834	}
		2835
		2836	cf::override;
		2837	},
1941	);	2838	);
1942		2839
1943	=item $client->async (\&cb)	2840	=item $client->async (\&cb)
1944		2841
1945	Create a new coroutine, running the specified callback. The coroutine will	2842	Create a new coroutine, running the specified callback. The coroutine will
…		…
1986	our $safe = new Safe "safe";	2883	our $safe = new Safe "safe";
1987	our $safe_hole = new Safe::Hole;	2884	our $safe_hole = new Safe::Hole;
1988		2885
1989	$SIG{FPE} = 'IGNORE';	2886	$SIG{FPE} = 'IGNORE';
1990		2887
1991	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2888	$safe->permit_only (Opcode::opset qw(
		2889	:base_core :base_mem :base_orig :base_math
		2890	grepstart grepwhile mapstart mapwhile
		2891	sort time
		2892	));
1992		2893
1993	# here we export the classes and methods available to script code	2894	# here we export the classes and methods available to script code
1994		2895
1995	=pod	2896	=pod
1996		2897
1997	The following fucntions and emthods are available within a safe environment:	2898	The following functions and methods are available within a safe environment:
1998		2899
1999	cf::object contr pay_amount pay_player map	2900	cf::object
		2901	contr pay_amount pay_player map x y force_find force_add destroy
		2902	insert remove name archname title slaying race decrease_ob_nr
		2903
2000	cf::object::player player	2904	cf::object::player
2001	cf::player peaceful	2905	player
2002	cf::map trigger	2906
		2907	cf::player
		2908	peaceful
		2909
		2910	cf::map
		2911	trigger
2003		2912
2004	=cut	2913	=cut
2005		2914
2006	for (	2915	for (
2007	["cf::object" => qw(contr pay_amount pay_player map)],	2916	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2917	insert remove inv name archname title slaying race
		2918	decrease_ob_nr destroy)],
2008	["cf::object::player" => qw(player)],	2919	["cf::object::player" => qw(player)],
2009	["cf::player" => qw(peaceful)],	2920	["cf::player" => qw(peaceful)],
2010	["cf::map" => qw(trigger)],	2921	["cf::map" => qw(trigger)],
2011	) {	2922	) {
2012	no strict 'refs';	2923	no strict 'refs';
…		…
2083	=back	2994	=back
2084		2995
2085	=cut	2996	=cut
2086		2997
2087	#############################################################################	2998	#############################################################################
		2999	# the server's init and main functions
2088		3000
2089	=head2 EXTENSION DATABASE SUPPORT	3001	sub load_facedata($) {
		3002	my ($path) = @_;
2090		3003
2091	Crossfire maintains a very simple database for extension use. It can	3004	# HACK to clear player env face cache, we need some signal framework
2092	currently store anything that can be serialised using Storable, which	3005	# for this (global event?)
2093	excludes objects.	3006	%ext::player_env::MUSIC_FACE_CACHE = ();
2094		3007
2095	The parameter C<$family> should best start with the name of the extension	3008	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2096	using it, it should be unique.
2097		3009
2098	=over 4	3010	warn "loading facedata from $path\n";
2099		3011
2100	=item $hashref = cf::db_get $family	3012	my $facedata;
		3013	0 < aio_load $path, $facedata
		3014	or die "$path: $!";
2101		3015
2102	Return a hashref for use by the extension C<$family>, which can be	3016	$facedata = Coro::Storable::thaw $facedata;
2103	modified. After modifications, you have to call C<cf::db_dirty> or
2104	C<cf::db_sync>.
2105		3017
2106	=item $value = cf::db_get $family => $key	3018	$facedata->{version} == 2
		3019	or cf::cleanup "$path: version mismatch, cannot proceed.";
2107		3020
2108	Returns a single value from the database	3021	# patch in the exptable
2109		3022	$facedata->{resource}{"res/exp_table"} = {
2110	=item cf::db_put $family => $hashref	3023	type => FT_RSRC,
2111		3024	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2112	Stores the given family hashref into the database. Updates are delayed, if
2113	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2114
2115	=item cf::db_put $family => $key => $value
2116
2117	Stores the given C<$value> in the family hash. Updates are delayed, if you
2118	want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120	=item cf::db_dirty
2121
2122	Marks the database as dirty, to be updated at a later time.
2123
2124	=item cf::db_sync
2125
2126	Immediately write the database to disk I<if it is dirty>.
2127
2128	=cut
2129
2130	our $DB;
2131
2132	{
2133	my $path = cf::localdir . "/database.pst";
2134
2135	sub db_load() {
2136	$DB = stat $path ? Storable::retrieve $path : { };
2137	}
2138
2139	my $pid;
2140
2141	sub db_save() {
2142	waitpid $pid, 0 if $pid;
2143	if (0 == ($pid = fork)) {
2144	$DB->{_meta}{version} = 1;
2145	Storable::nstore $DB, "$path~";
2146	rename "$path~", $path;
2147	cf::_exit 0 if defined $pid;
2148	}
2149	}
2150
2151	my $dirty;
2152
2153	sub db_sync() {
2154	db_save if $dirty;
2155	undef $dirty;
2156	}
2157
2158	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2159	db_sync;
2160	});	3025	};
		3026	cf::cede_to_tick;
2161		3027
2162	sub db_dirty() {
2163	$dirty = 1;
2164	$idle->start;
2165	}	3028	{
		3029	my $faces = $facedata->{faceinfo};
2166		3030
2167	sub db_get($;$) {	3031	while (my ($face, $info) = each %$faces) {
2168	@_ >= 2	3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2169	? $DB->{$_[0]}{$_[1]}	3033	cf::face::set_visibility $idx, $info->{visibility};
2170	: ($DB->{$_[0]} ||= { })	3034	cf::face::set_magicmap $idx, $info->{magicmap};
2171	}	3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3036	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2172		3037
2173	sub db_put($$;$) {	3038	cf::cede_to_tick;
2174	if (@_ >= 3) {
2175	$DB->{$_[0]}{$_[1]} = $_[2];
2176	} else {
2177	$DB->{$_[0]} = $_[1];
2178	}
2179	db_dirty;
2180	}
2181
2182	cf::global->attach (
2183	prio => 10000,
2184	on_cleanup => sub {
2185	db_sync;
2186	},	3039	}
2187	);
2188	}
2189		3040
2190	#############################################################################	3041	while (my ($face, $info) = each %$faces) {
2191	# the server's main()	3042	next unless $info->{smooth};
		3043	my $idx = cf::face::find $face
		3044	or next;
		3045	if (my $smooth = cf::face::find $info->{smooth}) {
		3046	cf::face::set_smooth $idx, $smooth;
		3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3048	} else {
		3049	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3050	}
2192		3051
2193	sub cfg_load {	3052	cf::cede_to_tick;
		3053	}
		3054	}
		3055
		3056	{
		3057	my $anims = $facedata->{animinfo};
		3058
		3059	while (my ($anim, $info) = each %$anims) {
		3060	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3061	cf::cede_to_tick;
		3062	}
		3063
		3064	cf::anim::invalidate_all; # d'oh
		3065	}
		3066
		3067	{
		3068	# TODO: for gcfclient pleasure, we should give resources
		3069	# that gcfclient doesn't grok a >10000 face index.
		3070	my $res = $facedata->{resource};
		3071
		3072	my $soundconf = delete $res->{"res/sound.conf"};
		3073
		3074	while (my ($name, $info) = each %$res) {
		3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3076	my $data;
		3077
		3078	if ($info->{type} & 1) {
		3079	# prepend meta info
		3080
		3081	my $meta = $enc->encode ({
		3082	name => $name,
		3083	%{ $info->{meta} || {} },
		3084	});
		3085
		3086	$data = pack "(w/a*)*", $meta, $info->{data};
		3087	} else {
		3088	$data = $info->{data};
		3089	}
		3090
		3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3092	cf::face::set_type $idx, $info->{type};
		3093
		3094	cf::cede_to_tick;
		3095	}
		3096
		3097	if ($soundconf) {
		3098	$soundconf = $enc->decode (delete $soundconf->{data});
		3099
		3100	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3101	my $sound = $soundconf->{compat}[$_]
		3102	or next;
		3103
		3104	my $face = cf::face::find "sound/$sound->[1]";
		3105	cf::sound::set $sound->[0] => $face;
		3106	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3107	}
		3108
		3109	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3110	my $face = cf::face::find "sound/$v";
		3111	cf::sound::set $k => $face;
		3112	}
		3113	}
		3114	}
		3115
		3116	1
		3117	}
		3118
		3119	register_exticmd fx_want => sub {
		3120	my ($ns, $want) = @_;
		3121
		3122	while (my ($k, $v) = each %$want) {
		3123	$ns->fx_want ($k, $v);
		3124	}
		3125	};
		3126
		3127	sub reload_regions {
		3128	# HACK to clear player env face cache, we need some signal framework
		3129	# for this (global event?)
		3130	%ext::player_env::MUSIC_FACE_CACHE = ();
		3131
		3132	load_resource_file "$MAPDIR/regions"
		3133	or die "unable to load regions file\n";
		3134
		3135	for (cf::region::list) {
		3136	$_->{match} = qr/$_->{match}/
		3137	if exists $_->{match};
		3138	}
		3139	}
		3140
		3141	sub reload_facedata {
		3142	load_facedata "$DATADIR/facedata"
		3143	or die "unable to load facedata\n";
		3144	}
		3145
		3146	sub reload_archetypes {
		3147	load_resource_file "$DATADIR/archetypes"
		3148	or die "unable to load archetypes\n";
		3149	#d# NEED to laod twice to resolve forward references
		3150	# this really needs to be done in an extra post-pass
		3151	# (which needs to be synchronous, so solve it differently)
		3152	load_resource_file "$DATADIR/archetypes"
		3153	or die "unable to load archetypes\n";
		3154	}
		3155
		3156	sub reload_treasures {
		3157	load_resource_file "$DATADIR/treasures"
		3158	or die "unable to load treasurelists\n";
		3159	}
		3160
		3161	sub reload_resources {
		3162	warn "reloading resource files...\n";
		3163
		3164	reload_regions;
		3165	reload_facedata;
		3166	#reload_archetypes;#d#
		3167	reload_archetypes;
		3168	reload_treasures;
		3169
		3170	warn "finished reloading resource files\n";
		3171	}
		3172
		3173	sub init {
		3174	reload_resources;
		3175	}
		3176
		3177	sub reload_config {
2194	open my $fh, "<:utf8", cf::confdir . "/config"	3178	open my $fh, "<:utf8", "$CONFDIR/config"
2195	or return;	3179	or return;
2196		3180
2197	local $/;	3181	local $/;
2198	*CFG = YAML::Syck::Load <$fh>;	3182	*CFG = YAML::Syck::Load <$fh>;
2199		3183
…		…
2213		3197
2214	sub main {	3198	sub main {
2215	# we must not ever block the main coroutine	3199	# we must not ever block the main coroutine
2216	local $Coro::idle = sub {	3200	local $Coro::idle = sub {
2217	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3202	(async {
		3203	$Coro::current->{desc} = "IDLE BUG HANDLER";
2218	async { Event::one_event };	3204	Event::one_event;
		3205	})->prio (Coro::PRIO_MAX);
2219	};	3206	};
2220		3207
2221	cfg_load;	3208	reload_config;
2222	db_load;	3209	db_init;
2223	load_extensions;	3210	load_extensions;
		3211
		3212	$TICK_WATCHER->start;
2224	Event::loop;	3213	Event::loop;
2225	}	3214	}
2226		3215
2227	#############################################################################	3216	#############################################################################
2228	# initialisation and cleanup	3217	# initialisation and cleanup
2229		3218
2230	# install some emergency cleanup handlers	3219	# install some emergency cleanup handlers
2231	BEGIN {	3220	BEGIN {
2232	for my $signal (qw(INT HUP TERM)) {	3221	for my $signal (qw(INT HUP TERM)) {
2233	Event->signal (	3222	Event->signal (
		3223	reentrant => 0,
2234	data => WF_AUTOCANCEL,	3224	data => WF_AUTOCANCEL,
2235	signal => $signal,	3225	signal => $signal,
		3226	prio => 0,
2236	cb => sub {	3227	cb => sub {
2237	cf::cleanup "SIG$signal";	3228	cf::cleanup "SIG$signal";
2238	},	3229	},
2239	);	3230	);
2240	}	3231	}
		3232	}
		3233
		3234	sub write_runtime {
		3235	my $runtime = "$LOCALDIR/runtime";
		3236
		3237	# first touch the runtime file to show we are still running:
		3238	# the fsync below can take a very very long time.
		3239
		3240	IO::AIO::aio_utime $runtime, undef, undef;
		3241
		3242	my $guard = cf::lock_acquire "write_runtime";
		3243
		3244	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3245	or return;
		3246
		3247	my $value = $cf::RUNTIME + 90 + 10;
		3248	# 10 is the runtime save interval, for a monotonic clock
		3249	# 60 allows for the watchdog to kill the server.
		3250
		3251	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3252	and return;
		3253
		3254	# always fsync - this file is important
		3255	aio_fsync $fh
		3256	and return;
		3257
		3258	# touch it again to show we are up-to-date
		3259	aio_utime $fh, undef, undef;
		3260
		3261	close $fh
		3262	or return;
		3263
		3264	aio_rename "$runtime~", $runtime
		3265	and return;
		3266
		3267	warn "runtime file written.\n";
		3268
		3269	1
2241	}	3270	}
2242		3271
2243	sub emergency_save() {	3272	sub emergency_save() {
2244	my $freeze_guard = cf::freeze_mainloop;	3273	my $freeze_guard = cf::freeze_mainloop;
2245		3274
…		…
2251	# and maps saved/destroyed asynchronously.	3280	# and maps saved/destroyed asynchronously.
2252	warn "begin emergency player save\n";	3281	warn "begin emergency player save\n";
2253	for my $login (keys %cf::PLAYER) {	3282	for my $login (keys %cf::PLAYER) {
2254	my $pl = $cf::PLAYER{$login} or next;	3283	my $pl = $cf::PLAYER{$login} or next;
2255	$pl->valid or next;	3284	$pl->valid or next;
		3285	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2256	$pl->save;	3286	$pl->save;
2257	}	3287	}
2258	warn "end emergency player save\n";	3288	warn "end emergency player save\n";
2259		3289
2260	warn "begin emergency map save\n";	3290	warn "begin emergency map save\n";
…		…
2262	my $map = $cf::MAP{$path} or next;	3292	my $map = $cf::MAP{$path} or next;
2263	$map->valid or next;	3293	$map->valid or next;
2264	$map->save;	3294	$map->save;
2265	}	3295	}
2266	warn "end emergency map save\n";	3296	warn "end emergency map save\n";
		3297
		3298	warn "begin emergency database checkpoint\n";
		3299	BDB::db_env_txn_checkpoint $DB_ENV;
		3300	warn "end emergency database checkpoint\n";
2267	};	3301	};
2268		3302
2269	warn "leave emergency perl save\n";	3303	warn "leave emergency perl save\n";
2270	}	3304	}
2271		3305
		3306	sub post_cleanup {
		3307	my ($make_core) = @_;
		3308
		3309	warn Carp::longmess "post_cleanup backtrace"
		3310	if $make_core;
		3311	}
		3312
2272	sub reload() {	3313	sub do_reload_perl() {
2273	# can/must only be called in main	3314	# can/must only be called in main
2274	if ($Coro::current != $Coro::main) {	3315	if ($Coro::current != $Coro::main) {
2275	warn "can only reload from main coroutine\n";	3316	warn "can only reload from main coroutine";
2276	return;	3317	return;
2277	}	3318	}
2278		3319
2279	warn "reloading...";	3320	warn "reloading...";
2280		3321
2281	warn "freezing server";	3322	warn "entering sync_job";
2282	my $guard = freeze_mainloop;	3323
		3324	cf::sync_job {
		3325	cf::write_runtime; # external watchdog should not bark
2283	cf::emergency_save;	3326	cf::emergency_save;
		3327	cf::write_runtime; # external watchdog should not bark
2284		3328
2285	warn "sync database to disk";	3329	warn "syncing database to disk";
2286	cf::db_sync;	3330	BDB::db_env_txn_checkpoint $DB_ENV;
2287	IO::AIO::flush;
2288		3331
2289	eval {
2290	# if anything goes wrong in here, we should simply crash as we already saved	3332	# if anything goes wrong in here, we should simply crash as we already saved
2291		3333
2292	warn "cancel all watchers";	3334	warn "cancelling all WF_AUTOCANCEL watchers";
2293	for (Event::all_watchers) {	3335	for (Event::all_watchers) {
2294	$_->cancel if $_->data & WF_AUTOCANCEL;	3336	$_->cancel if $_->data & WF_AUTOCANCEL;
2295	}	3337	}
2296		3338
		3339	warn "flushing outstanding aio requests";
		3340	for (;;) {
		3341	BDB::flush;
		3342	IO::AIO::flush;
		3343	Coro::cede;
		3344	last unless IO::AIO::nreqs || BDB::nreqs;
		3345	warn "iterate...";
		3346	}
		3347
		3348	++$RELOAD;
		3349
2297	warn "cancel all extension coros";	3350	warn "cancelling all extension coros";
2298	$_->cancel for values %EXT_CORO;	3351	$_->cancel for values %EXT_CORO;
2299	%EXT_CORO = ();	3352	%EXT_CORO = ();
2300		3353
2301	warn "remove commands";	3354	warn "removing commands";
2302	%COMMAND = ();	3355	%COMMAND = ();
2303		3356
2304	warn "remove ext commands";	3357	warn "removing ext/exti commands";
2305	%EXTCMD = ();	3358	%EXTCMD = ();
		3359	%EXTICMD = ();
2306		3360
2307	warn "unload/nuke all extensions";	3361	warn "unloading/nuking all extensions";
2308	for my $pkg (@EXTS) {	3362	for my $pkg (@EXTS) {
2309	warn "... unloading $pkg";	3363	warn "... unloading $pkg";
2310		3364
2311	if (my $cb = $pkg->can ("unload")) {	3365	if (my $cb = $pkg->can ("unload")) {
2312	eval {	3366	eval {
…		…
2317		3371
2318	warn "... nuking $pkg";	3372	warn "... nuking $pkg";
2319	Symbol::delete_package $pkg;	3373	Symbol::delete_package $pkg;
2320	}	3374	}
2321		3375
2322	warn "unload all perl modules loaded from $LIBDIR";	3376	warn "unloading all perl modules loaded from $LIBDIR";
2323	while (my ($k, $v) = each %INC) {	3377	while (my ($k, $v) = each %INC) {
2324	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3378	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325		3379
2326	warn "removing <$k>";	3380	warn "... unloading $k";
2327	delete $INC{$k};	3381	delete $INC{$k};
2328		3382
2329	$k =~ s/\.pm$//;	3383	$k =~ s/\.pm$//;
2330	$k =~ s/\//::/g;	3384	$k =~ s/\//::/g;
2331		3385
…		…
2334	}	3388	}
2335		3389
2336	Symbol::delete_package $k;	3390	Symbol::delete_package $k;
2337	}	3391	}
2338		3392
2339	warn "get rid of safe::, as good as possible";	3393	warn "getting rid of safe::, as good as possible";
2340	Symbol::delete_package "safe::$_"	3394	Symbol::delete_package "safe::$_"
2341	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3395	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2342		3396
2343	warn "unload cf.pm \"a bit\"";	3397	warn "unloading cf.pm \"a bit\"";
2344	delete $INC{"cf.pm"};	3398	delete $INC{"cf.pm"};
		3399	delete $INC{"cf/pod.pm"};
2345		3400
2346	# don't, removes xs symbols, too,	3401	# don't, removes xs symbols, too,
2347	# and global variables created in xs	3402	# and global variables created in xs
2348	#Symbol::delete_package __PACKAGE__;	3403	#Symbol::delete_package __PACKAGE__;
2349		3404
		3405	warn "unload completed, starting to reload now";
		3406
2350	warn "reloading cf.pm";	3407	warn "reloading cf.pm";
2351	require cf;	3408	require cf;
2352	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3409	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353		3410
2354	warn "load config and database again";	3411	warn "loading config and database again";
2355	cf::cfg_load;	3412	cf::reload_config;
2356	cf::db_load;
2357		3413
2358	warn "load extensions";	3414	warn "loading extensions";
2359	cf::load_extensions;	3415	cf::load_extensions;
2360		3416
2361	warn "reattach attachments to objects/players";	3417	warn "reattaching attachments to objects/players";
2362	_global_reattach;	3418	_global_reattach; # objects, sockets
2363	warn "reattach attachments to maps";	3419	warn "reattaching attachments to maps";
2364	reattach $_ for values %MAP;	3420	reattach $_ for values %MAP;
2365	};	3421	warn "reattaching attachments to players";
		3422	reattach $_ for values %PLAYER;
2366		3423
2367	if ($@) {	3424	warn "leaving sync_job";
		3425
		3426	1
		3427	} or do {
2368	warn $@;	3428	warn $@;
2369	warn "error while reloading, exiting.";	3429	warn "error while reloading, exiting.";
2370	exit 1;	3430	exit 1;
2371	}	3431	};
2372		3432
2373	warn "reloaded";	3433	warn "reloaded";
2374	};	3434	};
2375		3435
		3436	our $RELOAD_WATCHER; # used only during reload
		3437
		3438	sub reload_perl() {
		3439	# doing reload synchronously and two reloads happen back-to-back,
		3440	# coro crashes during coro_state_free->destroy here.
		3441
		3442	$RELOAD_WATCHER ||= Event->timer (
		3443	reentrant => 0,
		3444	after => 0,
		3445	data => WF_AUTOCANCEL,
		3446	cb => sub {
		3447	do_reload_perl;
		3448	undef $RELOAD_WATCHER;
		3449	},
		3450	);
		3451	}
		3452
2376	register_command "reload" => sub {	3453	register_command "reload" => sub {
2377	my ($who, $arg) = @_;	3454	my ($who, $arg) = @_;
2378		3455
2379	if ($who->flag (FLAG_WIZ)) {	3456	if ($who->flag (FLAG_WIZ)) {
2380	$who->message ("start of reload.");
2381	reload;
2382	$who->message ("end of reload.");	3457	$who->message ("reloading server.");
		3458	async {
		3459	$Coro::current->{desc} = "perl_reload";
		3460	reload_perl;
		3461	};
2383	}	3462	}
2384	};	3463	};
2385		3464
2386	unshift @INC, $LIBDIR;	3465	unshift @INC, $LIBDIR;
		3466
		3467	my $bug_warning = 0;
		3468
		3469	our @WAIT_FOR_TICK;
		3470	our @WAIT_FOR_TICK_BEGIN;
		3471
		3472	sub wait_for_tick {
		3473	return unless $TICK_WATCHER->is_active;
		3474	return if $Coro::current == $Coro::main;
		3475
		3476	my $signal = new Coro::Signal;
		3477	push @WAIT_FOR_TICK, $signal;
		3478	$signal->wait;
		3479	}
		3480
		3481	sub wait_for_tick_begin {
		3482	return unless $TICK_WATCHER->is_active;
		3483	return if $Coro::current == $Coro::main;
		3484
		3485	my $signal = new Coro::Signal;
		3486	push @WAIT_FOR_TICK_BEGIN, $signal;
		3487	$signal->wait;
		3488	}
2387		3489
2388	$TICK_WATCHER = Event->timer (	3490	$TICK_WATCHER = Event->timer (
2389	reentrant => 0,	3491	reentrant => 0,
		3492	parked => 1,
2390	prio => 0,	3493	prio => 0,
2391	at => $NEXT_TICK || $TICK,	3494	at => $NEXT_TICK || $TICK,
2392	data => WF_AUTOCANCEL,	3495	data => WF_AUTOCANCEL,
2393	cb => sub {	3496	cb => sub {
		3497	if ($Coro::current != $Coro::main) {
		3498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3499	unless ++$bug_warning > 10;
		3500	return;
		3501	}
		3502
2394	$NOW = Event::time;	3503	$NOW = $tick_start = Event::time;
2395		3504
2396	cf::server_tick; # one server iteration	3505	cf::server_tick; # one server iteration
		3506
2397	$RUNTIME += $TICK;	3507	$RUNTIME += $TICK;
2398	$NEXT_TICK += $TICK;	3508	$NEXT_TICK += $TICK;
2399		3509
2400	$WAIT_FOR_TICK->broadcast;	3510	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2401	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3511	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3512	Coro::async_pool {
		3513	$Coro::current->{desc} = "runtime saver";
		3514	write_runtime
		3515	or warn "ERROR: unable to write runtime file: $!";
		3516	};
		3517	}
		3518
		3519	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3520	$sig->send;
		3521	}
		3522	while (my $sig = shift @WAIT_FOR_TICK) {
		3523	$sig->send;
		3524	}
		3525
		3526	$NOW = Event::time;
2402		3527
2403	# if we are delayed by four ticks or more, skip them all	3528	# if we are delayed by four ticks or more, skip them all
2404	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3529	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2405		3530
2406	$TICK_WATCHER->at ($NEXT_TICK);	3531	$TICK_WATCHER->at ($NEXT_TICK);
2407	$TICK_WATCHER->start;	3532	$TICK_WATCHER->start;
		3533
		3534	$LOAD = ($NOW - $tick_start) / $TICK;
		3535	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3536
		3537	_post_tick;
2408	},	3538	},
2409	);	3539	);
2410		3540
		3541	{
		3542	BDB::min_parallel 8;
		3543	BDB::max_poll_time $TICK * 0.1;
		3544	$BDB_POLL_WATCHER = Event->io (
		3545	reentrant => 0,
		3546	fd => BDB::poll_fileno,
		3547	poll => 'r',
		3548	prio => 0,
		3549	data => WF_AUTOCANCEL,
		3550	cb => \&BDB::poll_cb,
		3551	);
		3552
		3553	BDB::set_sync_prepare {
		3554	my $status;
		3555	my $current = $Coro::current;
		3556	(
		3557	sub {
		3558	$status = $!;
		3559	$current->ready; undef $current;
		3560	},
		3561	sub {
		3562	Coro::schedule while defined $current;
		3563	$! = $status;
		3564	},
		3565	)
		3566	};
		3567
		3568	unless ($DB_ENV) {
		3569	$DB_ENV = BDB::db_env_create;
		3570	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3571	| BDB::LOG_AUTOREMOVE, 1);
		3572	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3573	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3574
		3575	cf::sync_job {
		3576	eval {
		3577	BDB::db_env_open
		3578	$DB_ENV,
		3579	$BDBDIR,
		3580	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3581	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3582	0666;
		3583
		3584	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3585	};
		3586
		3587	cf::cleanup "db_env_open(db): $@" if $@;
		3588	};
		3589	}
		3590
		3591	$BDB_DEADLOCK_WATCHER = Event->timer (
		3592	after => 3,
		3593	interval => 1,
		3594	hard => 1,
		3595	prio => 0,
		3596	data => WF_AUTOCANCEL,
		3597	cb => sub {
		3598	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3599	},
		3600	);
		3601	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3602	after => 11,
		3603	interval => 60,
		3604	hard => 1,
		3605	prio => 0,
		3606	data => WF_AUTOCANCEL,
		3607	cb => sub {
		3608	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3609	},
		3610	);
		3611	$BDB_TRICKLE_WATCHER = Event->timer (
		3612	after => 5,
		3613	interval => 10,
		3614	hard => 1,
		3615	prio => 0,
		3616	data => WF_AUTOCANCEL,
		3617	cb => sub {
		3618	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3619	},
		3620	);
		3621	}
		3622
		3623	{
		3624	IO::AIO::min_parallel 8;
		3625
		3626	undef $Coro::AIO::WATCHER;
2411	IO::AIO::max_poll_time $TICK * 0.2;	3627	IO::AIO::max_poll_time $TICK * 0.1;
2412
2413	$AIO_POLL_WATCHER = Event->io (	3628	$AIO_POLL_WATCHER = Event->io (
2414	fd => IO::AIO::poll_fileno,	3629	reentrant => 0,
2415	poll => 'r',
2416	prio => 5,
2417	data => WF_AUTOCANCEL,
2418	cb => \&IO::AIO::poll_cb,
2419	);
2420
2421	$WRITE_RUNTIME_WATCHER = Event->timer (
2422	data => WF_AUTOCANCEL,	3630	data => WF_AUTOCANCEL,
2423	after => 0,	3631	fd => IO::AIO::poll_fileno,
2424	interval => 10,	3632	poll => 'r',
2425	cb => sub {	3633	prio => 0,
2426	(Coro::unblock_sub {	3634	cb => \&IO::AIO::poll_cb,
2427	write_runtime	3635	);
2428	or warn "ERROR: unable to write runtime file: $!";	3636	}
		3637
		3638	my $_log_backtrace;
		3639
		3640	sub _log_backtrace {
		3641	my ($msg, @addr) = @_;
		3642
		3643	$msg =~ s/\n//;
		3644
		3645	# limit the # of concurrent backtraces
		3646	if ($_log_backtrace < 2) {
		3647	++$_log_backtrace;
		3648	async {
		3649	$Coro::current->{desc} = "abt $msg";
		3650
		3651	my @bt = fork_call {
		3652	@addr = map { sprintf "%x", $_ } @addr;
		3653	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3654	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3655	or die "addr2line: $!";
		3656
		3657	my @funcs;
		3658	my @res = <$fh>;
		3659	chomp for @res;
		3660	while (@res) {
		3661	my ($func, $line) = splice @res, 0, 2, ();
		3662	push @funcs, "[$func] $line";
		3663	}
		3664
		3665	@funcs
		3666	};
		3667
		3668	LOG llevInfo, "[ABT] $msg\n";
		3669	LOG llevInfo, "[ABT] $_\n" for @bt;
		3670	--$_log_backtrace;
2429	})->();	3671	};
		3672	} else {
		3673	LOG llevInfo, "[ABT] $msg\n";
		3674	LOG llevInfo, "[ABT] [suppressed]\n";
2430	},	3675	}
2431	);	3676	}
		3677
		3678	# load additional modules
		3679	use cf::pod;
2432		3680
2433	END { cf::emergency_save }	3681	END { cf::emergency_save }
2434		3682
2435	1	3683	1
2436		3684

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