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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.347 by root, Thu Aug 30 05:16:09 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 3.5 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
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 $DB_ENV;
53		86
54	our %CFG;	87	our %CFG;
55		88
56	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	90	our $RUNTIME;
58		91
59	our %PLAYER; # all users	92	our %PLAYER; # all users
60	our %MAP; # all maps	93	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	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		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
87		117
88	sub cf::map::normalise;	118	sub cf::map::normalise;
89		119
…		…
100	=item $cf::RUNTIME	130	=item $cf::RUNTIME
101		131
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	133	every server tick.
104		134
105	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		138
107	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
109		143
110	=item $cf::NOW	144	=item $cf::NOW
111		145
112	The time of the last (current) server tick.	146	The time of the last (current) server tick.
113		147
114	=item $cf::TICK	148	=item $cf::TICK
115		149
116	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
117		161
118	=item %cf::CFG	162	=item %cf::CFG
119		163
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	165	from wherever your confdir points to.
122		166
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		168
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
127	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
129		178
130	=back	179	=back
131		180
132	=cut	181	=cut
133		182
134	BEGIN {	183	BEGIN {
135	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	185	my $msg = join "", @_;
137	utf8::encode $msg;
138		186
139	$msg .= "\n"	187	$msg .= "\n"
140	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
141		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
142	LOG llevError, $msg;	193	LOG llevError, $msg;
143	};	194	};
144	}	195	}
145		196
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		204
153	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	206	# within the Safe compartment.
155	for my $pkg (qw(	207	for my $pkg (qw(
156	cf::global cf::attachable	208	cf::global cf::attachable
…		…
164	}	216	}
165		217
166	$Event::DIED = sub {	218	$Event::DIED = sub {
167	warn "error in event callback: @_";	219	warn "error in event callback: @_";
168	};	220	};
		221
		222	#############################################################################
169		223
170	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
171		225
172	=over 4	226	=over 4
173		227
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	247	$d
194	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
195	}	249	}
196		250
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
200		252
201	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
202		254
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
211		256
212	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
213		258
214	=cut	259	=cut
215		260
216	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
218	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
220		265
221	=item cf::lock_wait $string	266	=item cf::lock_wait $string
222		267
223	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
224		269
…		…
227	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
230	returned.	275	returned.
231		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
232	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
234		286
235	=cut	287	=cut
236		288
237	our %LOCK;	289	our %LOCK;
238		290
…		…
258	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
260	}	312	}
261	}	313	}
262		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
263	sub freeze_mainloop {	321	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
265		323
266	my $guard = Coro::guard {	324	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	325	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	326	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
272	$guard	328	$guard
		329	}
		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
273	}	385	}
274		386
275	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
276		388
277	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		394
283	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
284		396
285	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
286		398
287	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
290		403
291	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
294	fast or be very important.	407	fast or be very important.
…		…
297		410
298	sub sync_job(&) {	411	sub sync_job(&) {
299	my ($job) = @_;	412	my ($job) = @_;
300		413
301	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
302	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
304		419
305	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
317		432
318	while ($busy) {	433	while ($busy) {
319	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
320	}	435	}
321		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
322	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
323	} else {	445	} else {
324	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
325		447
326	$job->()	448	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
346		468
347	$coro	469	$coro
348	}	470	}
349		471
350	sub write_runtime {	472	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		473
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
354	or return;	475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
355		478
356	my $value = $cf::RUNTIME + 90 + 10;	479	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		480
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	481	sub fork_call(&@) {
361	and return;	482	my ($cb, @args) = @_;
362		483
363	aio_fsync $fh	484	# we seemingly have to make a local copy of the whole thing,
364	and return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
365		487
366	close $fh	488	my @res = Coro::Util::fork_eval {
367	or return;	489	reset_signals;
		490	&$cb
		491	}, @args;
368		492
369	aio_rename "$runtime~", $runtime	493	wantarray ? @res : $res[-1]
370	and return;	494	}
371		495
		496	=item $value = cf::db_get $family => $key
		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
372	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
		610	}
		611
		612	=item cf::datalog type => key => value, ...
		613
		614	Log a datalog packet of the given type with the given key-value pairs.
		615
		616	=cut
		617
		618	sub datalog($@) {
		619	my ($type, %kv) = @_;
		620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	621	}
374		622
375	=back	623	=back
376		624
377	=cut	625	=cut
…		…
384	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
386		634
387	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	637	Crossfire TRT).
390		638
391	=over 4	639	=over 4
392		640
393	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
394		642
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
558		806
559	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		811
564	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	813	my $pkg = shift @arg;
566		814
567	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
597	}	845	}
598		846
599	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
600	} else {	848	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	850	}
603		851
604	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
605	}	853	}
606		854
…		…
608	if (ref $_[0]) {	856	if (ref $_[0]) {
609	_object_attach @_;	857	_object_attach @_;
610	} else {	858	} else {
611	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
612	}	860	}
		861	_recalc_want;
613	};	862	};
614		863
615	# all those should be optimised	864	# all those should be optimised
616	sub cf::attachable::detach {	865	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
621	reattach ($obj);	870	reattach ($obj);
622	} else {	871	} else {
623	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
624	}	873	}
		874	_recalc_want;
625	};	875	};
626		876
627	sub cf::attachable::attached {	877	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
629		879
…		…
644	";	894	";
645	die if $@;	895	die if $@;
646	}	896	}
647		897
648	our $override;	898	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		900
651	sub override {	901	sub override {
652	$override = 1;	902	$override = 1;
653	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
654	}	904	}
655		905
656	sub do_invoke {	906	sub do_invoke {
657	my $event = shift;	907	my $event = shift;
658	my $callbacks = shift;	908	my $callbacks = shift;
659		909
660	@invoke_results = ();	910	@INVOKE_RESULTS = ();
661		911
662	local $override;	912	local $override;
663		913
664	for (@$callbacks) {	914	for (@$callbacks) {
665	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
682		932
683	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
684		934
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		938
689	=back	939	=back
690		940
691	=cut	941	=cut
692		942
693	#############################################################################	943	#############################################################################
694	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
695		956
696	sub reattach {	957	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	959	my ($obj) = @_;
699		960
…		…
752	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
753		1014
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1019	close $fh;
759		1020
760	if (@$objs) {	1021	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1027	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
768	}	1029	}
769	} else {	1030	} else {
770	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
776	}	1037	}
777	} else {	1038	} else {
778	aio_unlink $filename;	1039	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1040	aio_unlink "$filename.pst";
780	}	1041	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1042	}
788	}	1043	}
789		1044
790	sub object_freezer_as_string {	1045	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1046	my ($rdata, $objs) = @_;
…		…
797		1052
798	sub object_thawer_load {	1053	sub object_thawer_load {
799	my ($filename) = @_;	1054	my ($filename) = @_;
800		1055
801	my ($data, $av);	1056	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1057
806	(aio_load $filename, $data) >= 0	1058	(aio_load $filename, $data) >= 0
807	or return;	1059	or return;
808		1060
809	unless (aio_stat "$filename.pst") {	1061	unless (aio_stat "$filename.pst") {
…		…
811	or return;	1063	or return;
812	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
813	}	1065	}
814		1066
815	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
817	return ($data, $av);	1069	return ($data, $av);
818	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
819		1077
820	#############################################################################	1078	#############################################################################
821	# command handling &c	1079	# command handling &c
822		1080
823	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1095	}
838		1096
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1098
841	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
842		1104
843	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
844	called.	1106	called.
845		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
846	=cut	1119	=cut
847		1120
848	sub register_extcmd {	1121	sub register_extcmd {
849	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
850		1123
851	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
852	}	1131	}
853		1132
854	cf::player->attach (	1133	cf::player->attach (
855	on_command => sub {	1134	on_command => sub {
856	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1144	cf::override;
866	},	1145	},
867	on_extcmd => sub {	1146	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
869		1148
870	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1150
872	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
878	} else {	1166	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1168	}
881		1169
882	cf::override;	1170	cf::override;
883	},	1171	},
884	);	1172	);
885		1173
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
921	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1179	next unless -r $path;
923	eval {	1180
924	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
925	1	1238	}
926	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
927	}	1244	};
928	}	1245	}
929		1246
930	#############################################################################	1247	#############################################################################
931		1248
		1249	=back
		1250
932	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
933		1252
934	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
935		1254
936	=cut	1255	=cut
…		…
948	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
949		1268
950	=cut	1269	=cut
951		1270
952	sub playerdir($) {	1271	sub playerdir($) {
953	cf::localdir	1272	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1274	}
959		1275
960	sub path($) {	1276	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1278
963	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
964	}	1280	}
965		1281
966	sub find_active($) {	1282	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1297	my $login = $_[0];
982		1298
983	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
984		1300
985	$cf::PLAYER{$_[0]} || do {	1301	$cf::PLAYER{$_[0]} || do {
		1302	# rename old playerfiles to new ones
		1303	#TODO: remove when no longer required
		1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1307	aio_unlink +(playerdir $login) . "/$login.pl";
		1308
986	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
987	or return;	1310	or return;
988	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
989	}	1312	}
990	}	1313	}
…		…
1002		1325
1003	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1005		1328
1006	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1007	Coro::cede;	1330	cf::cede_to_tick;
1008	}	1331	}
1009		1332
1010	sub new($) {	1333	sub new($) {
1011	my ($login) = @_;	1334	my ($login) = @_;
1012		1335
…		…
1018	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1019		1342
1020	$self	1343	$self
1021	}	1344	}
1022		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
		1354	}
		1355
1023	=item $pl->quit_character	1356	=item $pl->quit_character
1024		1357
1025	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1359	be destroyed. May block for a long time.
1027		1360
1028	=cut	1361	=cut
1029		1362
1030	sub quit_character {	1363	sub quit_character {
1031	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1032		1367
1033	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1369	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1370
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1378	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1380	$pl->destroy;
		1381
		1382	my $prefix = qr<^~\Q$name\E/>;
		1383
		1384	# nuke player maps
		1385	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1386
1046	IO::AIO::aio_rmtree $temp;	1387	IO::AIO::aio_rmtree $temp;
		1388	}
		1389
		1390	=item $pl->kick
		1391
		1392	Kicks a player out of the game. This destroys the connection.
		1393
		1394	=cut
		1395
		1396	sub kick {
		1397	my ($pl, $kicker) = @_;
		1398
		1399	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1400	$pl->killer ("kicked");
		1401	$pl->ns->destroy;
1047	}	1402	}
1048		1403
1049	=item cf::player::list_logins	1404	=item cf::player::list_logins
1050		1405
1051	Returns am arrayref of all valid playernames in the system, can take a	1406	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1053		1408
1054	=cut	1409	=cut
1055		1410
1056	sub list_logins {	1411	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1413	or return [];
1059		1414
1060	my @logins;	1415	my @logins;
1061		1416
1062	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1079	=cut	1434	=cut
1080		1435
1081	sub maps($) {	1436	sub maps($) {
1082	my ($pl) = @_;	1437	my ($pl) = @_;
1083		1438
		1439	$pl = ref $pl ? $pl->ob->name : $pl;
		1440
1084	my $files = aio_readdir playerdir $pl	1441	my $files = aio_readdir playerdir $pl
1085	or return;	1442	or return;
1086		1443
1087	my @paths;	1444	my @paths;
1088		1445
1089	for (@$files) {	1446	for (@$files) {
1090	utf8::decode $_;	1447	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1448	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1449	next unless /^$PATH_SEP/o;
1093		1450
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1451	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1452	}
1096		1453
1097	\@paths	1454	\@paths
1098	}	1455	}
1099		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGH])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	# replace G<male|female> tags
		1478	|| s{G<([^>|]*)\|([^>]*)>}{
		1479	$self->gender ? $2 : $1
		1480	}ge
		1481	# replace H<hint text>
		1482	|| s{H<([^\>]*)>}
		1483	{
		1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1486	"")
		1487	[$self->{hintmode}]
		1488	}ge;
		1489
		1490	# create single paragraphs (very hackish)
		1491	s/(?<=\S)\n(?=\w)/ /g;
		1492
		1493	# compress some whitespace
		1494	s/\s+\n/\n/g; # ws line-ends
		1495	s/\n\n+/\n/g; # double lines
		1496	s/^\n+//; # beginning lines
		1497	s/\n+$//; # ending lines
		1498
		1499	$_
		1500	}
		1501
		1502	sub hintmode {
		1503	$_[0]{hintmode} = $_[1] if @_ > 1;
		1504	$_[0]{hintmode}
		1505	}
		1506
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1507	=item $player->ext_reply ($msgid, @msg)
1101		1508
1102	Sends an ext reply to the player.	1509	Sends an ext reply to the player.
1103		1510
1104	=cut	1511	=cut
1105		1512
1106	sub ext_reply($$$%) {	1513	sub ext_reply($$@) {
1107	my ($self, $id, %msg) = @_;	1514	my ($self, $id, @msg) = @_;
1108		1515
1109	$msg{msgid} = $id;	1516	$self->ns->ext_reply ($id, @msg)
1110
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1517	}
1113		1518
1114	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1115		1559
1116	=back	1560	=back
1117
1118		1561
1119	=head3 cf::map	1562	=head3 cf::map
1120		1563
1121	=over 4	1564	=over 4
1122		1565
…		…
1177	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1178		1621
1179	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1180	local $self->{path};	1623	local $self->{path};
1181	local $self->{load_path};	1624	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1625
1185	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1186	}	1627	}
1187		1628
1188	sub normalise {	1629	sub normalise {
…		…
1235	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1236	return $self;	1677	return $self;
1237	}	1678	}
1238	}	1679	}
1239		1680
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1241	()	1682	()
1242	}	1683	}
1243		1684
1244	sub init {	1685	sub init {
1245	my ($self) = @_;	1686	my ($self) = @_;
…		…
1260		1701
1261	# the original (read-only) location	1702	# the original (read-only) location
1262	sub load_path {	1703	sub load_path {
1263	my ($self) = @_;	1704	my ($self) = @_;
1264		1705
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1266	}	1707	}
1267		1708
1268	# the temporary/swap location	1709	# the temporary/swap location
1269	sub save_path {	1710	sub save_path {
1270	my ($self) = @_;	1711	my ($self) = @_;
1271		1712
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1274	}	1715	}
1275		1716
1276	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1277	sub uniq_path {	1718	sub uniq_path {
1278	my ($self) = @_;	1719	my ($self) = @_;
1279		1720
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1282	}	1723	}
1283		1724
1284	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1285	# all maps in C++...	1726	# all maps in C++...
1286	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1288		1729
1289	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1290	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1291	}	1732	}
1292		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
1293	sub unlink_save {	1742	sub unlink_save {
1294	my ($self) = @_;	1743	my ($self) = @_;
1295		1744
1296	utf8::encode (my $save = $self->save_path);	1745	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	1748	}
1305		1749
1306	sub load_header_from($) {	1750	sub load_header_from($) {
1307	my ($self, $path) = @_;	1751	my ($self, $path) = @_;
1308		1752
…		…
1358	$self->load_header_orig	1802	$self->load_header_orig
1359	or return;	1803	or return;
1360	$self->prepare_orig;	1804	$self->prepare_orig;
1361	}	1805	}
1362		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
		1810	$self->default_region (cf::region::find_by_path $self->{path})
		1811	unless $self->default_region;
		1812
1363	1	1813	1
1364	}	1814	}
1365		1815
1366	sub find;	1816	sub find;
1367	sub find {	1817	sub find {
…		…
1379	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1380		1830
1381	$map->load_header	1831	$map->load_header
1382	or return;	1832	or return;
1383		1833
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1387	$map->reset;	1837	$map->reset;
1388	undef $guard;	1838	undef $guard;
1389	return find $path;	1839	return find $path;
…		…
1400	my ($self) = @_;	1850	my ($self) = @_;
1401		1851
1402	local $self->{deny_reset} = 1; # loading can take a long time	1852	local $self->{deny_reset} = 1; # loading can take a long time
1403		1853
1404	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1405	my $guard = cf::lock_acquire "map_load:$path";	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1406		1859
1407	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1408		1861
1409	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1410		1863
1411	$self->alloc;	1864	$self->alloc;
1412		1865
1413	$self->pre_load;	1866	$self->pre_load;
		1867	cf::cede_to_tick;
1414		1868
1415	$self->_load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1416	or return;	1870	or return;
1417		1871
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1419	if delete $self->{load_original};	1873	if delete $self->{load_original};
1420		1874
1421	if (my $uniq = $self->uniq_path) {	1875	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;	1876	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {	1877	if (aio_open $uniq, O_RDONLY, 0) {
1424	$self->clear_unique_items;	1878	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1426	}	1880	}
1427	}	1881	}
1428		1882
1429	Coro::cede;	1883	cf::cede_to_tick;
1430
1431	# now do the right thing for maps	1884	# now do the right thing for maps
1432	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;
1439	$self->set_darkness_map;
1440	$self->difficulty ($self->estimate_difficulty)	1886	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	1887	unless $self->difficulty;
1442	Coro::cede;	1888	cf::cede_to_tick;
		1889
		1890	unless ($self->{deny_activate}) {
		1891	$self->decay_objects;
		1892	$self->fix_auto_apply;
		1893	$self->update_buttons;
		1894	cf::cede_to_tick;
		1895	$self->set_darkness_map;
		1896	cf::cede_to_tick;
1443	$self->activate;	1897	$self->activate;
		1898	}
		1899
		1900	$self->{last_save} = $cf::RUNTIME;
		1901	$self->last_access ($cf::RUNTIME);
		1902
		1903	$self->in_memory (cf::MAP_IN_MEMORY);
1444	}	1904	}
1445		1905
1446	$self->post_load;	1906	$self->post_load;
1447
1448	$self->in_memory (cf::MAP_IN_MEMORY);
1449	}	1907	}
1450		1908
1451	sub customise_for {	1909	sub customise_for {
1452	my ($self, $ob) = @_;	1910	my ($self, $ob) = @_;
1453		1911
1454	return find "~" . $ob->name . "/" . $self->{path}	1912	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	1913	if $self->per_player;
1456		1914
		1915	# return find "?party/" . $ob->name . "/" . $self->{path}
		1916	# if $self->per_party;
		1917
1457	$self	1918	$self
1458	}	1919	}
1459		1920
1460	# find and load all maps in the 3x3 area around a map	1921	# find and load all maps in the 3x3 area around a map
1461	sub load_diag {	1922	sub load_neighbours {
1462	my ($map) = @_;	1923	my ($map) = @_;
1463		1924
1464	my @diag; # diagonal neighbours	1925	my @neigh; # diagonal neighbours
1465		1926
1466	for (0 .. 3) {	1927	for (0 .. 3) {
1467	my $neigh = $map->tile_path ($_)	1928	my $neigh = $map->tile_path ($_)
1468	or next;	1929	or next;
1469	$neigh = find $neigh, $map	1930	$neigh = find $neigh, $map
1470	or next;	1931	or next;
1471	$neigh->load;	1932	$neigh->load;
1472		1933
		1934	push @neigh,
1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1475	}	1937	}
1476		1938
1477	for (@diag) {	1939	for (grep defined $_->[0], @neigh) {
		1940	my ($path, $origin) = @$_;
1478	my $neigh = find @$_	1941	my $neigh = find $path, $origin
1479	or next;	1942	or next;
1480	$neigh->load;	1943	$neigh->load;
1481	}	1944	}
1482	}	1945	}
1483		1946
…		…
1488	}	1951	}
1489		1952
1490	sub do_load_sync {	1953	sub do_load_sync {
1491	my ($map) = @_;	1954	my ($map) = @_;
1492		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
1493	cf::sync_job { $map->load };	1959	cf::sync_job { $map->load };
1494	}	1960	}
1495		1961
1496	our %MAP_PREFETCH;	1962	our %MAP_PREFETCH;
1497	our $MAP_PREFETCHER = undef;	1963	our $MAP_PREFETCHER = undef;
1498		1964
1499	sub find_async {	1965	sub find_async {
1500	my ($path, $origin) = @_;	1966	my ($path, $origin, $load) = @_;
1501		1967
1502	$path = normalise $path, $origin && $origin->{path};	1968	$path = normalise $path, $origin && $origin->{path};
1503		1969
1504	if (my $map = $cf::MAP{$path}) {	1970	if (my $map = $cf::MAP{$path}) {
1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1506	}	1972	}
1507		1973
1508	undef $MAP_PREFETCH{$path};	1974	$MAP_PREFETCH{$path} |= $load;
		1975
1509	$MAP_PREFETCHER ||= cf::async {	1976	$MAP_PREFETCHER ||= cf::async {
1510	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	1978	while (my ($k, $v) = each %MAP_PREFETCH) {
1512	my $map = find $path	1979	if (my $map = find $k) {
1513	or next;
1514	$map->load;	1980	$map->load if $v;
		1981	}
1515		1982
1516	delete $MAP_PREFETCH{$path};	1983	delete $MAP_PREFETCH{$k};
1517	}	1984	}
1518	}	1985	}
1519	undef $MAP_PREFETCHER;	1986	undef $MAP_PREFETCHER;
1520	};	1987	};
1521	$MAP_PREFETCHER->prio (6);	1988	$MAP_PREFETCHER->prio (6);
…		…
1524	}	1991	}
1525		1992
1526	sub save {	1993	sub save {
1527	my ($self) = @_;	1994	my ($self) = @_;
1528		1995
1529	my $lock = cf::lock_acquire "map_data:" . $self->path;	1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1530		1997
1531	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1532		1999
1533	return unless $self->dirty;	2000	return unless $self->dirty;
1534		2001
…		…
1557	my ($self) = @_;	2024	my ($self) = @_;
1558		2025
1559	# save first because save cedes	2026	# save first because save cedes
1560	$self->save;	2027	$self->save;
1561		2028
1562	my $lock = cf::lock_acquire "map_data:" . $self->path;	2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1563		2030
1564	return if $self->players;	2031	return if $self->players;
1565	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1566	return if $self->{deny_save};	2033	return if $self->{deny_save};
1567		2034
…		…
1571		2038
1572	sub reset_at {	2039	sub reset_at {
1573	my ($self) = @_;	2040	my ($self) = @_;
1574		2041
1575	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1578		2044
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581		2047
…		…
1592	my ($self) = @_;	2058	my ($self) = @_;
1593		2059
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2061
1596	return if $self->players;	2062	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2063
1599	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
		2065
		2066	$self->in_memory (cf::MAP_SWAPPED);
		2067
		2068	# need to save uniques path
		2069	unless ($self->{deny_save}) {
		2070	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2071
		2072	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2073	if $uniq;
		2074	}
1600		2075
1601	delete $cf::MAP{$self->path};	2076	delete $cf::MAP{$self->path};
1602		2077
1603	$self->in_memory (cf::MAP_SWAPPED);
1604	$self->clear;	2078	$self->clear;
1605		2079
1606	$_->clear_links_to ($self) for values %cf::MAP;	2080	$_->clear_links_to ($self) for values %cf::MAP;
1607		2081
1608	$self->unlink_save;	2082	$self->unlink_save;
…		…
1627	$cf::MAP{$self->path} = $self;	2101	$cf::MAP{$self->path} = $self;
1628		2102
1629	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
1630	}	2104	}
1631		2105
		2106	=item $maps = cf::map::tmp_maps
		2107
		2108	Returns an arrayref with all map paths of currently instantiated and saved
		2109	maps. May block.
		2110
		2111	=cut
		2112
		2113	sub tmp_maps() {
		2114	[
		2115	map {
		2116	utf8::decode $_;
		2117	/\.map$/
		2118	? normalise $_
		2119	: ()
		2120	} @{ aio_readdir $TMPDIR or [] }
		2121	]
		2122	}
		2123
		2124	=item $maps = cf::map::random_maps
		2125
		2126	Returns an arrayref with all map paths of currently instantiated and saved
		2127	random maps. May block.
		2128
		2129	=cut
		2130
		2131	sub random_maps() {
		2132	[
		2133	map {
		2134	utf8::decode $_;
		2135	/\.map$/
		2136	? normalise "?random/$_"
		2137	: ()
		2138	} @{ aio_readdir $RANDOMDIR or [] }
		2139	]
		2140	}
		2141
1632	=item cf::map::unique_maps	2142	=item cf::map::unique_maps
1633		2143
1634	Returns an arrayref of paths of all shared maps that have	2144	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2145	instantiated unique items. May block.
1636		2146
1637	=cut	2147	=cut
1638		2148
1639	sub unique_maps() {	2149	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2150	[
1641	or return;	2151	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2152	utf8::decode $_;
1647	next if /\.pst$/;	2153	/\.map$/
1648	next unless /^$PATH_SEP/o;	2154	? normalise $_
1649		2155	: ()
1650	push @paths, cf::map::normalise $_;	2156	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2157	]
1652
1653	\@paths
1654	}	2158	}
1655		2159
1656	package cf;	2160	package cf;
1657		2161
1658	=back	2162	=back
…		…
1704		2208
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2210
1707	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1709	} else {	2214	} else {
		2215	my $pl = $self->contr;
		2216
		2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2218	my $dialog = $pl->{npc_dialog};
		2219	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2220
		2221	} else {
1710	$msg = $npc->name . " says: $msg" if $npc;	2222	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2223	$self->message ($msg, $flags);
		2224	}
1712	}	2225	}
		2226	}
		2227
		2228	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2229
		2230	=cut
		2231
		2232	sub cf::object::send_msg {
		2233	my $pl = shift->contr
		2234	or return;
		2235	$pl->send_msg (@_);
1713	}	2236	}
1714		2237
1715	=item $player_object->may ("access")	2238	=item $player_object->may ("access")
1716		2239
1717	Returns wether the given player is authorized to access resource "access"	2240	Returns wether the given player is authorized to access resource "access"
…		…
1764	$self->deactivate_recursive;	2287	$self->deactivate_recursive;
1765		2288
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2289	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2290
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2291	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2292	if $self->map && $self->map->{path} ne "{link}";
1770		2293
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2294	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1772	}	2295	}
1773		2296
1774	sub cf::object::player::leave_link {	2297	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2298	my ($self, $map, $x, $y) = @_;
		2299
		2300	return unless $self->contr->active;
1776		2301
1777	my $link_pos = delete $self->{_link_pos};	2302	my $link_pos = delete $self->{_link_pos};
1778		2303
1779	unless ($map) {	2304	unless ($map) {
1780	# restore original map position	2305	# restore original map position
…		…
1794	# use -1 or undef as default coordinates, not 0, 0	2319	# use -1 or undef as default coordinates, not 0, 0
1795	($x, $y) = ($map->enter_x, $map->enter_y)	2320	($x, $y) = ($map->enter_x, $map->enter_y)
1796	if $x <=0 && $y <= 0;	2321	if $x <=0 && $y <= 0;
1797		2322
1798	$map->load;	2323	$map->load;
1799	$map->load_diag;	2324	$map->load_neighbours;
1800		2325
1801	return unless $self->contr->active;	2326	return unless $self->contr->active;
1802	$self->activate_recursive;	2327	$self->activate_recursive;
		2328
		2329	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1803	$self->enter_map ($map, $x, $y);	2330	$self->enter_map ($map, $x, $y);
1804	}	2331	}
1805		2332
1806	cf::player->attach (	2333	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1807	on_logout => sub {
1808	my ($pl) = @_;
1809		2334
1810	# abort map switching before logout	2335	Moves the player to the given map-path and coordinates by first freezing
1811	if ($pl->ob->{_link_pos}) {	2336	her, loading and preparing them map, calling the provided $check callback
1812	cf::sync_job {	2337	that has to return the map if sucecssful, and then unfreezes the player on
1813	$pl->ob->leave_link	2338	the new (success) or old (failed) map position. In either case, $done will
1814	};	2339	be called at the end of this process.
1815	}
1816	},
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2340
1820	# try to abort aborted map switching on player login :)
1821	# should happen only on crashes
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837
1838	=item $player_object->goto ($path, $x, $y)
1839
1840	=cut	2341	=cut
		2342
		2343	our $GOTOGEN;
1841		2344
1842	sub cf::object::player::goto {	2345	sub cf::object::player::goto {
1843	my ($self, $path, $x, $y) = @_;	2346	my ($self, $path, $x, $y, $check, $done) = @_;
		2347
		2348	# do generation counting so two concurrent goto's will be executed in-order
		2349	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1844		2350
1845	$self->enter_link;	2351	$self->enter_link;
1846		2352
1847	(async {	2353	(async {
1848	my $map = eval {	2354	my $map = eval {
1849	my $map = cf::map::find $path;	2355	my $map = cf::map::find $path;
		2356
		2357	if ($map) {
1850	$map = $map->customise_for ($self) if $map;	2358	$map = $map->customise_for ($self);
		2359	$map = $check->($map) if $check && $map;
		2360	} else {
		2361	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2362	}
		2363
1851	$map	2364	$map
		2365	};
		2366
		2367	if ($@) {
		2368	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2369	LOG llevError | logBacktrace, Carp::longmess $@;
1852	} or	2370	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2371
		2372	if ($gen == $self->{_goto_generation}) {
		2373	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2374	$self->leave_link ($map, $x, $y);
		2375	}
		2376
		2377	$done->() if $done;
1856	})->prio (1);	2378	})->prio (1);
1857	}	2379	}
1858		2380
1859	=item $player_object->enter_exit ($exit_object)	2381	=item $player_object->enter_exit ($exit_object)
1860		2382
…		…
1899		2421
1900	$rmp->{random_seed} ||= $exit->random_seed;	2422	$rmp->{random_seed} ||= $exit->random_seed;
1901		2423
1902	my $data = cf::to_json $rmp;	2424	my $data = cf::to_json $rmp;
1903	my $md5 = Digest::MD5::md5_hex $data;	2425	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2426	my $meta = "$RANDOMDIR/$md5.meta";
1905		2427
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2428	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2429	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2430	undef $fh;
1909	aio_rename "$meta~", $meta;	2431	aio_rename "$meta~", $meta;
…		…
1918		2440
1919	return unless $self->type == cf::PLAYER;	2441	return unless $self->type == cf::PLAYER;
1920		2442
1921	if ($exit->slaying eq "/!") {	2443	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job	2444	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2445	# the problem is that $exit might not survive long enough
		2446	# so it needs to be done right now, right here
1923	cf::sync_job { prepare_random_map $exit };	2447	cf::sync_job { prepare_random_map $exit };
1924	}	2448	}
1925		2449
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2450	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;	2451	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;	2452	my $sp = $exit->stats->sp;
1929		2453
1930	$self->enter_link;	2454	$self->enter_link;
		2455
		2456	# if exit is damned, update players death & WoR home-position
		2457	$self->contr->savebed ($slaying, $hp, $sp)
		2458	if $exit->flag (FLAG_DAMNED);
1931		2459
1932	(async {	2460	(async {
1933	$self->deactivate_recursive; # just to be sure	2461	$self->deactivate_recursive; # just to be sure
1934	unless (eval {	2462	unless (eval {
1935	$self->goto ($slaying, $hp, $sp);	2463	$self->goto ($slaying, $hp, $sp);
1936		2464
1937	1;	2465	1;
1938	}) {	2466	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2467	$self->message ("Something went wrong deep within the crossfire server. "
1940	. "I'll try to bring you back to the map you were before. "	2468	. "I'll try to bring you back to the map you were before. "
1941	. "Please report this to the dungeon master!",	2469	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2470	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2471
1944	warn "ERROR in enter_exit: $@";	2472	warn "ERROR in enter_exit: $@";
1945	$self->leave_link;	2473	$self->leave_link;
1946	}	2474	}
1947	})->prio (1);	2475	})->prio (1);
…		…
1960		2488
1961	sub cf::client::send_drawinfo {	2489	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2490	my ($self, $text, $flags) = @_;
1963		2491
1964	utf8::encode $text;	2492	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2493	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	2494	}
1967		2495
		2496	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2497
		2498	Send a drawinfo or msg packet to the client, formatting the msg for the
		2499	client if neccessary. C<$type> should be a string identifying the type of
		2500	the message, with C<log> being the default. If C<$color> is negative, suppress
		2501	the message unless the client supports the msg packet.
		2502
		2503	=cut
		2504
		2505	sub cf::client::send_msg {
		2506	my ($self, $channel, $msg, $color, @extra) = @_;
		2507
		2508	$msg = $self->pl->expand_cfpod ($msg);
		2509
		2510	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2511
		2512	if (ref $channel) {
		2513	# send meta info to client, if not yet sent
		2514	unless (exists $self->{channel}{$channel->{id}}) {
		2515	$self->{channel}{$channel->{id}} = $channel;
		2516	$self->ext_msg (channel_info => $channel);
		2517	}
		2518
		2519	$channel = $channel->{id};
		2520	}
		2521
		2522	return unless @extra || length $msg;
		2523
		2524	if ($self->can_msg) {
		2525	# default colour, mask it out
		2526	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2527	if $color & cf::NDI_DEF;
		2528
		2529	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2530	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2531	} else {
		2532	if ($color >= 0) {
		2533	# replace some tags by gcfclient-compatible ones
		2534	for ($msg) {
		2535	1 while
		2536	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2537	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2538	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2539	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2540	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2541	}
		2542
		2543	$color &= cf::NDI_COLOR_MASK;
		2544
		2545	utf8::encode $msg;
		2546
		2547	if (0 && $msg =~ /\[/) {
		2548	# COMMAND/INFO
		2549	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2550	} else {
		2551	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2552	$self->send_packet ("drawinfo $color $msg")
		2553	}
		2554	}
		2555	}
		2556	}
		2557
		2558	=item $client->ext_msg ($type, @msg)
		2559
		2560	Sends an ext event to the client.
		2561
		2562	=cut
		2563
		2564	sub cf::client::ext_msg($$@) {
		2565	my ($self, $type, @msg) = @_;
		2566
		2567	if ($self->extcmd == 2) {
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2569	} elsif ($self->extcmd == 1) { # TODO: remove
		2570	push @msg, msgtype => "event_$type";
		2571	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2572	}
		2573	}
		2574
		2575	=item $client->ext_reply ($msgid, @msg)
		2576
		2577	Sends an ext reply to the client.
		2578
		2579	=cut
		2580
		2581	sub cf::client::ext_reply($$@) {
		2582	my ($self, $id, @msg) = @_;
		2583
		2584	if ($self->extcmd == 2) {
		2585	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2586	} elsif ($self->extcmd == 1) {
		2587	#TODO: version 1, remove
		2588	unshift @msg, msgtype => "reply", msgid => $id;
		2589	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2590	}
		2591	}
1968		2592
1969	=item $success = $client->query ($flags, "text", \&cb)	2593	=item $success = $client->query ($flags, "text", \&cb)
1970		2594
1971	Queues a query to the client, calling the given callback with	2595	Queues a query to the client, calling the given callback with
1972	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2596	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1973	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2597	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974		2598
1975	Queries can fail, so check the return code. Or don't, as queries will become	2599	Queries can fail, so check the return code. Or don't, as queries will
1976	reliable at some point in the future.	2600	become reliable at some point in the future.
1977		2601
1978	=cut	2602	=cut
1979		2603
1980	sub cf::client::query {	2604	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	2605	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	2613	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2614	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		2615
1992	$self->send_packet ($self->{query_queue}[0][0])	2616	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	2617	if @{ $self->{query_queue} } == 1;
		2618
		2619	1
1994	}	2620	}
1995		2621
1996	cf::client->attach (	2622	cf::client->attach (
		2623	on_connect => sub {
		2624	my ($ns) = @_;
		2625
		2626	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2627	},
1997	on_reply => sub {	2628	on_reply => sub {
1998	my ($ns, $msg) = @_;	2629	my ($ns, $msg) = @_;
1999		2630
2000	# this weird shuffling is so that direct followup queries	2631	# this weird shuffling is so that direct followup queries
2001	# get handled first	2632	# get handled first
2002	my $queue = delete $ns->{query_queue}	2633	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	2634	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		2635
2005	(shift @$queue)->[1]->($msg);	2636	(shift @$queue)->[1]->($msg);
		2637	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		2638
2007	push @{ $ns->{query_queue} }, @$queue;	2639	push @{ $ns->{query_queue} }, @$queue;
2008		2640
2009	if (@{ $ns->{query_queue} } == @$queue) {	2641	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	2642	if (@$queue) {
…		…
2012	} else {	2644	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2645	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	2646	}
2015	}	2647	}
2016	},	2648	},
		2649	on_exticmd => sub {
		2650	my ($ns, $buf) = @_;
		2651
		2652	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2653
		2654	if (ref $msg) {
		2655	my ($type, $reply, @payload) =
		2656	"ARRAY" eq ref $msg
		2657	? @$msg
		2658	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2659
		2660	my @reply;
		2661
		2662	if (my $cb = $EXTICMD{$type}) {
		2663	@reply = $cb->($ns, @payload);
		2664	}
		2665
		2666	$ns->ext_reply ($reply, @reply)
		2667	if $reply;
		2668
		2669	} else {
		2670	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2671	}
		2672
		2673	cf::override;
		2674	},
2017	);	2675	);
2018		2676
2019	=item $client->async (\&cb)	2677	=item $client->async (\&cb)
2020		2678
2021	Create a new coroutine, running the specified callback. The coroutine will	2679	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062	our $safe = new Safe "safe";	2720	our $safe = new Safe "safe";
2063	our $safe_hole = new Safe::Hole;	2721	our $safe_hole = new Safe::Hole;
2064		2722
2065	$SIG{FPE} = 'IGNORE';	2723	$SIG{FPE} = 'IGNORE';
2066		2724
2067	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2725	$safe->permit_only (Opcode::opset qw(
		2726	:base_core :base_mem :base_orig :base_math
		2727	grepstart grepwhile mapstart mapwhile
		2728	sort time
		2729	));
2068		2730
2069	# here we export the classes and methods available to script code	2731	# here we export the classes and methods available to script code
2070		2732
2071	=pod	2733	=pod
2072		2734
2073	The following fucntions and emthods are available within a safe environment:	2735	The following functions and methods are available within a safe environment:
2074		2736
2075	cf::object contr pay_amount pay_player map	2737	cf::object
		2738	contr pay_amount pay_player map x y force_find force_add
		2739	insert remove name archname title slaying race decrease_ob_nr
		2740
2076	cf::object::player player	2741	cf::object::player
2077	cf::player peaceful	2742	player
2078	cf::map trigger	2743
		2744	cf::player
		2745	peaceful
		2746
		2747	cf::map
		2748	trigger
2079		2749
2080	=cut	2750	=cut
2081		2751
2082	for (	2752	for (
2083	["cf::object" => qw(contr pay_amount pay_player map)],	2753	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2754	insert remove inv name archname title slaying race
		2755	decrease_ob_nr)],
2084	["cf::object::player" => qw(player)],	2756	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	2757	["cf::player" => qw(peaceful)],
2086	["cf::map" => qw(trigger)],	2758	["cf::map" => qw(trigger)],
2087	) {	2759	) {
2088	no strict 'refs';	2760	no strict 'refs';
…		…
2159	=back	2831	=back
2160		2832
2161	=cut	2833	=cut
2162		2834
2163	#############################################################################	2835	#############################################################################
		2836	# the server's init and main functions
2164		2837
2165	=head2 EXTENSION DATABASE SUPPORT	2838	sub load_facedata($) {
		2839	my ($path) = @_;
2166		2840
2167	Crossfire maintains a very simple database for extension use. It can	2841	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2168	currently store anything that can be serialised using Storable, which
2169	excludes objects.
2170		2842
2171	The parameter C<$family> should best start with the name of the extension	2843	warn "loading facedata from $path\n";
2172	using it, it should be unique.
2173		2844
2174	=over 4	2845	my $facedata;
		2846	0 < aio_load $path, $facedata
		2847	or die "$path: $!";
2175		2848
2176	=item $hashref = cf::db_get $family	2849	$facedata = Coro::Storable::thaw $facedata;
2177		2850
2178	Return a hashref for use by the extension C<$family>, which can be	2851	$facedata->{version} == 2
2179	modified. After modifications, you have to call C<cf::db_dirty> or	2852	or cf::cleanup "$path: version mismatch, cannot proceed.";
2180	C<cf::db_sync>.
2181		2853
2182	=item $value = cf::db_get $family => $key	2854	# patch in the exptable
2183		2855	$facedata->{resource}{"res/exp_table"} = {
2184	Returns a single value from the database	2856	type => FT_RSRC,
2185		2857	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2186	=item cf::db_put $family => $hashref
2187
2188	Stores the given family hashref into the database. Updates are delayed, if
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203
2204	=cut
2205
2206	our $DB;
2207
2208	{
2209	my $path = cf::localdir . "/database.pst";
2210
2211	sub db_load() {
2212	$DB = stat $path ? Storable::retrieve $path : { };
2213	}	2858	};
		2859	cf::cede_to_tick;
2214		2860
2215	my $pid;
2216
2217	sub db_save() {
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}	2861	{
		2862	my $faces = $facedata->{faceinfo};
2226		2863
2227	my $dirty;	2864	while (my ($face, $info) = each %$faces) {
		2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2866	cf::face::set_visibility $idx, $info->{visibility};
		2867	cf::face::set_magicmap $idx, $info->{magicmap};
		2868	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2869	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2228		2870
2229	sub db_sync() {	2871	cf::cede_to_tick;
2230	db_save if $dirty;
2231	undef $dirty;
2232	}
2233
2234	my $idle = Event->idle (
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {
2258	$DB->{$_[0]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	2872	}
2268	);
2269	}
2270		2873
2271	#############################################################################	2874	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	2875	next unless $info->{smooth};
		2876	my $idx = cf::face::find $face
		2877	or next;
		2878	if (my $smooth = cf::face::find $info->{smooth}) {
		2879	cf::face::set_smooth $idx, $smooth;
		2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2881	} else {
		2882	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2883	}
2273		2884
2274	sub cfg_load {	2885	cf::cede_to_tick;
		2886	}
		2887	}
		2888
		2889	{
		2890	my $anims = $facedata->{animinfo};
		2891
		2892	while (my ($anim, $info) = each %$anims) {
		2893	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2894	cf::cede_to_tick;
		2895	}
		2896
		2897	cf::anim::invalidate_all; # d'oh
		2898	}
		2899
		2900	{
		2901	# TODO: for gcfclient pleasure, we should give resources
		2902	# that gcfclient doesn't grok a >10000 face index.
		2903	my $res = $facedata->{resource};
		2904
		2905	my $soundconf = delete $res->{"res/sound.conf"};
		2906
		2907	while (my ($name, $info) = each %$res) {
		2908	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2909	my $data;
		2910
		2911	if ($info->{type} & 1) {
		2912	# prepend meta info
		2913
		2914	my $meta = $enc->encode ({
		2915	name => $name,
		2916	%{ $info->{meta} || {} },
		2917	});
		2918
		2919	$data = pack "(w/a*)*", $meta, $info->{data};
		2920	} else {
		2921	$data = $info->{data};
		2922	}
		2923
		2924	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2925	cf::face::set_type $idx, $info->{type};
		2926
		2927	cf::cede_to_tick;
		2928	}
		2929
		2930	if ($soundconf) {
		2931	$soundconf = $enc->decode (delete $soundconf->{data});
		2932
		2933	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2934	my $sound = $soundconf->{compat}[$_]
		2935	or next;
		2936
		2937	my $face = cf::face::find "sound/$sound->[1]";
		2938	cf::sound::set $sound->[0] => $face;
		2939	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2940	}
		2941
		2942	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2943	my $face = cf::face::find "sound/$v";
		2944	cf::sound::set $k => $face;
		2945	}
		2946	}
		2947	}
		2948
		2949	1
		2950	}
		2951
		2952	register_exticmd fx_want => sub {
		2953	my ($ns, $want) = @_;
		2954
		2955	while (my ($k, $v) = each %$want) {
		2956	$ns->fx_want ($k, $v);
		2957	}
		2958	};
		2959
		2960	sub reload_regions {
		2961	load_resource_file "$MAPDIR/regions"
		2962	or die "unable to load regions file\n";
		2963
		2964	for (cf::region::list) {
		2965	$_->{match} = qr/$_->{match}/
		2966	if exists $_->{match};
		2967	}
		2968	}
		2969
		2970	sub reload_facedata {
		2971	load_facedata "$DATADIR/facedata"
		2972	or die "unable to load facedata\n";
		2973	}
		2974
		2975	sub reload_archetypes {
		2976	load_resource_file "$DATADIR/archetypes"
		2977	or die "unable to load archetypes\n";
		2978	#d# NEED to laod twice to resolve forward references
		2979	# this really needs to be done in an extra post-pass
		2980	# (which needs to be synchronous, so solve it differently)
		2981	load_resource_file "$DATADIR/archetypes"
		2982	or die "unable to load archetypes\n";
		2983	}
		2984
		2985	sub reload_treasures {
		2986	load_resource_file "$DATADIR/treasures"
		2987	or die "unable to load treasurelists\n";
		2988	}
		2989
		2990	sub reload_resources {
		2991	warn "reloading resource files...\n";
		2992
		2993	reload_regions;
		2994	reload_facedata;
		2995	#reload_archetypes;#d#
		2996	reload_archetypes;
		2997	reload_treasures;
		2998
		2999	warn "finished reloading resource files\n";
		3000	}
		3001
		3002	sub init {
		3003	reload_resources;
		3004	}
		3005
		3006	sub reload_config {
2275	open my $fh, "<:utf8", cf::confdir . "/config"	3007	open my $fh, "<:utf8", "$CONFDIR/config"
2276	or return;	3008	or return;
2277		3009
2278	local $/;	3010	local $/;
2279	*CFG = YAML::Syck::Load <$fh>;	3011	*CFG = YAML::Syck::Load <$fh>;
2280		3012
…		…
2299	(async {	3031	(async {
2300	Event::one_event;	3032	Event::one_event;
2301	})->prio (Coro::PRIO_MAX);	3033	})->prio (Coro::PRIO_MAX);
2302	};	3034	};
2303		3035
2304	cfg_load;	3036	reload_config;
2305	db_load;	3037	db_init;
2306	load_extensions;	3038	load_extensions;
2307		3039
2308	$TICK_WATCHER->start;	3040	$TICK_WATCHER->start;
2309	Event::loop;	3041	Event::loop;
2310	}	3042	}
…		…
2325	},	3057	},
2326	);	3058	);
2327	}	3059	}
2328	}	3060	}
2329		3061
		3062	sub write_runtime {
		3063	my $runtime = "$LOCALDIR/runtime";
		3064
		3065	# first touch the runtime file to show we are still running:
		3066	# the fsync below can take a very very long time.
		3067
		3068	IO::AIO::aio_utime $runtime, undef, undef;
		3069
		3070	my $guard = cf::lock_acquire "write_runtime";
		3071
		3072	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3073	or return;
		3074
		3075	my $value = $cf::RUNTIME + 90 + 10;
		3076	# 10 is the runtime save interval, for a monotonic clock
		3077	# 60 allows for the watchdog to kill the server.
		3078
		3079	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3080	and return;
		3081
		3082	# always fsync - this file is important
		3083	aio_fsync $fh
		3084	and return;
		3085
		3086	# touch it again to show we are up-to-date
		3087	aio_utime $fh, undef, undef;
		3088
		3089	close $fh
		3090	or return;
		3091
		3092	aio_rename "$runtime~", $runtime
		3093	and return;
		3094
		3095	warn "runtime file written.\n";
		3096
		3097	1
		3098	}
		3099
2330	sub emergency_save() {	3100	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	3101	my $freeze_guard = cf::freeze_mainloop;
2332		3102
2333	warn "enter emergency perl save\n";	3103	warn "enter emergency perl save\n";
2334		3104
…		…
2349	my $map = $cf::MAP{$path} or next;	3119	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	3120	$map->valid or next;
2351	$map->save;	3121	$map->save;
2352	}	3122	}
2353	warn "end emergency map save\n";	3123	warn "end emergency map save\n";
		3124
		3125	warn "begin emergency database checkpoint\n";
		3126	BDB::db_env_txn_checkpoint $DB_ENV;
		3127	warn "end emergency database checkpoint\n";
2354	};	3128	};
2355		3129
2356	warn "leave emergency perl save\n";	3130	warn "leave emergency perl save\n";
2357	}	3131	}
2358		3132
		3133	sub post_cleanup {
		3134	my ($make_core) = @_;
		3135
		3136	warn Carp::longmess "post_cleanup backtrace"
		3137	if $make_core;
		3138	}
		3139
2359	sub reload() {	3140	sub do_reload_perl() {
2360	# can/must only be called in main	3141	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3142	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	3143	warn "can only reload from main coroutine";
2363	return;	3144	return;
2364	}	3145	}
2365		3146
2366	warn "reloading...";	3147	warn "reloading...";
2367		3148
2368	warn "cancelling server ticker";	3149	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3150
		3151	cf::sync_job {
		3152	cf::write_runtime; # external watchdog should not bark
2371	cf::emergency_save;	3153	cf::emergency_save;
		3154	cf::write_runtime; # external watchdog should not bark
2372		3155
2373	eval {	3156	warn "syncing database to disk";
		3157	BDB::db_env_txn_checkpoint $DB_ENV;
		3158
2374	# if anything goes wrong in here, we should simply crash as we already saved	3159	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378		3160
2379	warn "cancelling all WF_AUTOCANCEL watchers";	3161	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {	3162	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;	3163	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}	3164	}
2383		3165
2384	warn "flushing outstanding aio requests";	3166	warn "flushing outstanding aio requests";
2385	for (;;) {	3167	for (;;) {
		3168	BDB::flush;
2386	IO::AIO::flush;	3169	IO::AIO::flush;
2387	Coro::cede;	3170	Coro::cede;
2388	last unless IO::AIO::nreqs;	3171	last unless IO::AIO::nreqs || BDB::nreqs;
2389	warn "iterate...";	3172	warn "iterate...";
2390	}	3173	}
		3174
		3175	++$RELOAD;
2391		3176
2392	warn "cancelling all extension coros";	3177	warn "cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;	3178	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();	3179	%EXT_CORO = ();
2395		3180
2396	warn "removing commands";	3181	warn "removing commands";
2397	%COMMAND = ();	3182	%COMMAND = ();
2398		3183
2399	warn "removing ext commands";	3184	warn "removing ext/exti commands";
2400	%EXTCMD = ();	3185	%EXTCMD = ();
		3186	%EXTICMD = ();
2401		3187
2402	warn "unloading/nuking all extensions";	3188	warn "unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {	3189	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";	3190	warn "... unloading $pkg";
2405		3191
…		…
2435	Symbol::delete_package "safe::$_"	3221	Symbol::delete_package "safe::$_"
2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3222	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437		3223
2438	warn "unloading cf.pm \"a bit\"";	3224	warn "unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	3225	delete $INC{"cf.pm"};
		3226	delete $INC{"cf/pod.pm"};
2440		3227
2441	# don't, removes xs symbols, too,	3228	# don't, removes xs symbols, too,
2442	# and global variables created in xs	3229	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	3230	#Symbol::delete_package __PACKAGE__;
2444		3231
…		…
2447	warn "reloading cf.pm";	3234	warn "reloading cf.pm";
2448	require cf;	3235	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3236	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2450		3237
2451	warn "loading config and database again";	3238	warn "loading config and database again";
2452	cf::cfg_load;	3239	cf::reload_config;
2453	cf::db_load;
2454		3240
2455	warn "loading extensions";	3241	warn "loading extensions";
2456	cf::load_extensions;	3242	cf::load_extensions;
2457		3243
2458	warn "reattaching attachments to objects/players";	3244	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3245	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3246	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3247	reattach $_ for values %MAP;
		3248	warn "reattaching attachments to players";
		3249	reattach $_ for values %PLAYER;
2462		3250
2463	warn "restarting server ticker";	3251	warn "leaving sync_job";
2464		3252
2465	$TICK_WATCHER->start;	3253	1
2466	};	3254	} or do {
2467
2468	if ($@) {
2469	warn $@;	3255	warn $@;
2470	warn "error while reloading, exiting.";	3256	warn "error while reloading, exiting.";
2471	exit 1;	3257	exit 1;
2472	}	3258	};
2473		3259
2474	warn "reloaded";	3260	warn "reloaded";
2475	};	3261	};
2476		3262
2477	our $RELOAD_WATCHER; # used only during reload	3263	our $RELOAD_WATCHER; # used only during reload
2478		3264
		3265	sub reload_perl() {
		3266	# doing reload synchronously and two reloads happen back-to-back,
		3267	# coro crashes during coro_state_free->destroy here.
		3268
		3269	$RELOAD_WATCHER ||= Event->timer (
		3270	reentrant => 0,
		3271	after => 0,
		3272	data => WF_AUTOCANCEL,
		3273	cb => sub {
		3274	do_reload_perl;
		3275	undef $RELOAD_WATCHER;
		3276	},
		3277	);
		3278	}
		3279
2479	register_command "reload" => sub {	3280	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	3281	my ($who, $arg) = @_;
2481		3282
2482	if ($who->flag (FLAG_WIZ)) {	3283	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	3284	$who->message ("reloading server.");
2484		3285	async { reload_perl };
2485	# doing reload synchronously and two reloads happen back-to-back,
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);
2497	}	3286	}
2498	};	3287	};
2499		3288
2500	unshift @INC, $LIBDIR;	3289	unshift @INC, $LIBDIR;
2501		3290
2502	my $bug_warning = 0;	3291	my $bug_warning = 0;
2503		3292
		3293	our @WAIT_FOR_TICK;
		3294	our @WAIT_FOR_TICK_BEGIN;
		3295
		3296	sub wait_for_tick {
		3297	return unless $TICK_WATCHER->is_active;
		3298	return if $Coro::current == $Coro::main;
		3299
		3300	my $signal = new Coro::Signal;
		3301	push @WAIT_FOR_TICK, $signal;
		3302	$signal->wait;
		3303	}
		3304
		3305	sub wait_for_tick_begin {
		3306	return unless $TICK_WATCHER->is_active;
		3307	return if $Coro::current == $Coro::main;
		3308
		3309	my $signal = new Coro::Signal;
		3310	push @WAIT_FOR_TICK_BEGIN, $signal;
		3311	$signal->wait;
		3312	}
		3313
		3314	my $min = 1e6;#d#
		3315	my $avg = 10;
2504	$TICK_WATCHER = Event->timer (	3316	$TICK_WATCHER = Event->timer (
2505	reentrant => 0,	3317	reentrant => 0,
2506	parked => 1,	3318	parked => 1,
2507	prio => 0,	3319	prio => 0,
2508	at => $NEXT_TICK || $TICK,	3320	at => $NEXT_TICK || $TICK,
…		…
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3324	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	3325	unless ++$bug_warning > 10;
2514	return;	3326	return;
2515	}	3327	}
2516		3328
2517	$NOW = Event::time;	3329	$NOW = $tick_start = Event::time;
2518		3330
2519	cf::server_tick; # one server iteration	3331	cf::server_tick; # one server iteration
		3332
		3333	0 && sync_job {#d#
		3334	for(1..10) {
		3335	my $t = Event::time;
		3336	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3337	or die;
		3338
		3339	$map->width (50);
		3340	$map->height (50);
		3341	$map->alloc;
		3342	$map->_load_objects ("/tmp/x.map", 1);
		3343	my $t = Event::time - $t;
		3344
		3345	#next unless $t < 0.0013;#d#
		3346	if ($t < $min) {
		3347	$min = $t;
		3348	}
		3349	$avg = $avg * 0.99 + $t * 0.01;
		3350	}
		3351	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3352	exit 0;
		3353	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3354	};
		3355
2520	$RUNTIME += $TICK;	3356	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;	3357	$NEXT_TICK += $TICK;
2522		3358
2523	$WAIT_FOR_TICK->broadcast;	3359	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3360	$NEXT_RUNTIME_WRITE = $NOW + 10;
2525		3361	Coro::async_pool {
2526	Event::sweep;	3362	write_runtime
2527	Coro::cede_notself;	3363	or warn "ERROR: unable to write runtime file: $!";
		3364	};
2528		3365	}
		3366
2529	# my $AFTER = Event::time;	3367	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#	3368	# warn $AFTER - $NOW;#d#
2531		3369
		3370	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3371	$sig->send;
		3372	}
		3373	while (my $sig = shift @WAIT_FOR_TICK) {
		3374	$sig->send;
		3375	}
		3376
		3377	$NOW = Event::time;
		3378
2532	# if we are delayed by four ticks or more, skip them all	3379	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3380	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2534		3381
2535	$TICK_WATCHER->at ($NEXT_TICK);	3382	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;	3383	$TICK_WATCHER->start;
		3384
		3385	$LOAD = ($NOW - $tick_start) / $TICK;
		3386	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3387
		3388	_post_tick;
		3389
		3390
2537	},	3391	},
2538	);	3392	);
2539		3393
		3394	{
		3395	BDB::max_poll_time $TICK * 0.1;
		3396	$BDB_POLL_WATCHER = Event->io (
		3397	reentrant => 0,
		3398	fd => BDB::poll_fileno,
		3399	poll => 'r',
		3400	prio => 0,
		3401	data => WF_AUTOCANCEL,
		3402	cb => \&BDB::poll_cb,
		3403	);
		3404	BDB::min_parallel 8;
		3405
		3406	BDB::set_sync_prepare {
		3407	my $status;
		3408	my $current = $Coro::current;
		3409	(
		3410	sub {
		3411	$status = $!;
		3412	$current->ready; undef $current;
		3413	},
		3414	sub {
		3415	Coro::schedule while defined $current;
		3416	$! = $status;
		3417	},
		3418	)
		3419	};
		3420
		3421	unless ($DB_ENV) {
		3422	$DB_ENV = BDB::db_env_create;
		3423
		3424	cf::sync_job {
		3425	eval {
		3426	BDB::db_env_open
		3427	$DB_ENV,
		3428	$BDBDIR,
		3429	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3430	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3431	0666;
		3432
		3433	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3434
		3435	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3436	$DB_ENV->set_lk_detect;
		3437	};
		3438
		3439	cf::cleanup "db_env_open(db): $@" if $@;
		3440	};
		3441	}
		3442	}
		3443
		3444	{
		3445	IO::AIO::min_parallel 8;
		3446
		3447	undef $Coro::AIO::WATCHER;
2540	IO::AIO::max_poll_time $TICK * 0.1;	3448	IO::AIO::max_poll_time $TICK * 0.1;
2541
2542	undef $Coro::AIO::WATCHER;
2543	$AIO_POLL_WATCHER = Event->io (	3449	$AIO_POLL_WATCHER = Event->io (
2544	reentrant => 0,	3450	reentrant => 0,
		3451	data => WF_AUTOCANCEL,
2545	fd => IO::AIO::poll_fileno,	3452	fd => IO::AIO::poll_fileno,
2546	poll => 'r',	3453	poll => 'r',
2547	prio => 6,	3454	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,	3455	cb => \&IO::AIO::poll_cb,
2550	);	3456	);
		3457	}
2551		3458
2552	$WRITE_RUNTIME_WATCHER = Event->timer (	3459	my $_log_backtrace;
2553	reentrant => 0,	3460
2554	data => WF_AUTOCANCEL,	3461	sub _log_backtrace {
2555	after => 1,	3462	my ($msg, @addr) = @_;
2556	interval => 10,	3463
2557	prio => 6, # keep it lowest so it acts like a watchdog	3464	$msg =~ s/\n//;
2558	cb => Coro::unblock_sub {	3465
2559	write_runtime	3466	# limit the # of concurrent backtraces
2560	or warn "ERROR: unable to write runtime file: $!";	3467	if ($_log_backtrace < 2) {
		3468	++$_log_backtrace;
		3469	async {
		3470	my @bt = fork_call {
		3471	@addr = map { sprintf "%x", $_ } @addr;
		3472	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3473	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3474	or die "addr2line: $!";
		3475
		3476	my @funcs;
		3477	my @res = <$fh>;
		3478	chomp for @res;
		3479	while (@res) {
		3480	my ($func, $line) = splice @res, 0, 2, ();
		3481	push @funcs, "[$func] $line";
		3482	}
		3483
		3484	@funcs
		3485	};
		3486
		3487	LOG llevInfo, "[ABT] $msg\n";
		3488	LOG llevInfo, "[ABT] $_\n" for @bt;
		3489	--$_log_backtrace;
		3490	};
		3491	} else {
		3492	LOG llevInfo, "[ABT] $msg\n";
		3493	LOG llevInfo, "[ABT] [suppressed]\n";
2561	},	3494	}
2562	);	3495	}
		3496
		3497	# load additional modules
		3498	use cf::pod;
2563		3499
2564	END { cf::emergency_save }	3500	END { cf::emergency_save }
2565		3501
2566	1	3502	1
2567		3503

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