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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC vs.
Revision 1.349 by root, Fri Aug 31 04:10:43 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";
…		…
802	or return;	1063	or return;
803	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
804	}	1065	}
805		1066
806	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
807	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
808	return ($data, $av);	1069	return ($data, $av);
809	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
810		1077
811	#############################################################################	1078	#############################################################################
812	# command handling &c	1079	# command handling &c
813		1080
814	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
827	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
828	}	1095	}
829		1096
830	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
831		1098
832	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.
833		1104
834	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
835	called.	1106	called.
836		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
837	=cut	1119	=cut
838		1120
839	sub register_extcmd {	1121	sub register_extcmd {
840	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
841		1123
842	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
843	}	1131	}
844		1132
845	cf::player->attach (	1133	cf::player->attach (
846	on_command => sub {	1134	on_command => sub {
847	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
856	cf::override;	1144	cf::override;
857	},	1145	},
858	on_extcmd => sub {	1146	on_extcmd => sub {
859	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
860		1148
861	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862		1150
863	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
864	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
865	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
866	$pl->ext_reply ($msg->{msgid}, %reply);
867	}
868	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
869	} else {	1166	} else {
870	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
871	}	1168	}
872		1169
873	cf::override;	1170	cf::override;
874	},	1171	},
875	);	1172	);
876		1173
877	sub load_extension {
878	my ($path) = @_;
879
880	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
881	my $base = $1;
882	my $pkg = $1;
883	$pkg =~ s/[^[:word:]]/_/g;
884	$pkg = "ext::$pkg";
885
886	warn "... loading '$path' into '$pkg'\n";
887
888	open my $fh, "<:utf8", $path
889	or die "$path: $!";
890
891	my $source =
892	"package $pkg; use strict; use utf8;\n"
893	. "#line 1 \"$path\"\n{\n"
894	. (do { local $/; <$fh> })
895	. "\n};\n1";
896
897	unless (eval $source) {
898	my $msg = $@ ? "$path: $@\n"
899	: "extension disabled.\n";
900	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901	warn $@;
902	warn "mandatory extension failed to load, exiting.\n";
903	exit 1;
904	}
905	die $@;
906	}
907
908	push @EXTS, $pkg;
909	}
910
911	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
912	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
913	next unless -r $ext;	1179	next unless -r $path;
914	eval {	1180
915	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;
916	1	1238	}
917	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
918	}	1244	};
919	}	1245	}
920		1246
921	#############################################################################	1247	#############################################################################
922		1248
		1249	=back
		1250
923	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
924		1252
925	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
926		1254
927	=cut	1255	=cut
…		…
939	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
940		1268
941	=cut	1269	=cut
942		1270
943	sub playerdir($) {	1271	sub playerdir($) {
944	cf::localdir	1272	"$PLAYERDIR/"
945	. "/"
946	. cf::playerdir
947	. "/"
948	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
949	}	1274	}
950		1275
951	sub path($) {	1276	sub path($) {
952	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953		1278
954	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
955	}	1280	}
956		1281
957	sub find_active($) {	1282	sub find_active($) {
958	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
959	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
972	my $login = $_[0];	1297	my $login = $_[0];
973		1298
974	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
975		1300
976	$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
977	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
978	or return;	1310	or return;
979	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
980	}	1312	}
981	}	1313	}
…		…
993		1325
994	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
995	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
996		1328
997	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
998	Coro::cede;	1330	cf::cede_to_tick;
999	}	1331	}
1000		1332
1001	sub new($) {	1333	sub new($) {
1002	my ($login) = @_;	1334	my ($login) = @_;
1003		1335
…		…
1009	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1010		1342
1011	$self	1343	$self
1012	}	1344	}
1013		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
1014	=item $pl->quit_character	1356	=item $pl->quit_character
1015		1357
1016	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
1017	be destroyed. May block for a long time.	1359	be destroyed. May block for a long time.
1018		1360
1019	=cut	1361	=cut
1020		1362
1021	sub quit_character {	1363	sub quit_character {
1022	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1023		1367
1024	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1025	$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
1026		1370
1027	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1032	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1033	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1034	aio_rename $path, $temp;	1378	aio_rename $path, $temp;
1035	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1036	$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
1037	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;
1038	}	1402	}
1039		1403
1040	=item cf::player::list_logins	1404	=item cf::player::list_logins
1041		1405
1042	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
1043	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1044		1408
1045	=cut	1409	=cut
1046		1410
1047	sub list_logins {	1411	sub list_logins {
1048	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1049	or return [];	1413	or return [];
1050		1414
1051	my @logins;	1415	my @logins;
1052		1416
1053	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1070	=cut	1434	=cut
1071		1435
1072	sub maps($) {	1436	sub maps($) {
1073	my ($pl) = @_;	1437	my ($pl) = @_;
1074		1438
		1439	$pl = ref $pl ? $pl->ob->name : $pl;
		1440
1075	my $files = aio_readdir playerdir $pl	1441	my $files = aio_readdir playerdir $pl
1076	or return;	1442	or return;
1077		1443
1078	my @paths;	1444	my @paths;
1079		1445
1080	for (@$files) {	1446	for (@$files) {
1081	utf8::decode $_;	1447	utf8::decode $_;
1082	next if /\.(?:pl|pst)$/;	1448	next if /\.(?:pl|pst)$/;
1083	next unless /^$PATH_SEP/o;	1449	next unless /^$PATH_SEP/o;
1084		1450
1085	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1451	push @paths, cf::map::normalise "~$pl/$_";
1086	}	1452	}
1087		1453
1088	\@paths	1454	\@paths
1089	}	1455	}
1090		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
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1507	=item $player->ext_reply ($msgid, @msg)
1092		1508
1093	Sends an ext reply to the player.	1509	Sends an ext reply to the player.
1094		1510
1095	=cut	1511	=cut
1096		1512
1097	sub ext_reply($$$%) {	1513	sub ext_reply($$@) {
1098	my ($self, $id, %msg) = @_;	1514	my ($self, $id, @msg) = @_;
1099		1515
1100	$msg{msgid} = $id;	1516	$self->ns->ext_reply ($id, @msg)
1101
1102	$self->send ("ext " . cf::to_json \%msg);
1103	}	1517	}
1104		1518
1105	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		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	$match
		1558	}
1106		1559
1107	=back	1560	=back
1108
1109		1561
1110	=head3 cf::map	1562	=head3 cf::map
1111		1563
1112	=over 4	1564	=over 4
1113		1565
…		…
1168	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1169		1621
1170	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1171	local $self->{path};	1623	local $self->{path};
1172	local $self->{load_path};	1624	local $self->{load_path};
1173	local $self->{deny_save};
1174	local $self->{deny_reset};
1175		1625
1176	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1177	}	1627	}
1178		1628
1179	sub normalise {	1629	sub normalise {
…		…
1226	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1227	return $self;	1677	return $self;
1228	}	1678	}
1229	}	1679	}
1230		1680
1231	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1232	()	1682	()
1233	}	1683	}
1234		1684
1235	sub init {	1685	sub init {
1236	my ($self) = @_;	1686	my ($self) = @_;
…		…
1251		1701
1252	# the original (read-only) location	1702	# the original (read-only) location
1253	sub load_path {	1703	sub load_path {
1254	my ($self) = @_;	1704	my ($self) = @_;
1255		1705
1256	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1257	}	1707	}
1258		1708
1259	# the temporary/swap location	1709	# the temporary/swap location
1260	sub save_path {	1710	sub save_path {
1261	my ($self) = @_;	1711	my ($self) = @_;
1262		1712
1263	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1264	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1265	}	1715	}
1266		1716
1267	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1268	sub uniq_path {	1718	sub uniq_path {
1269	my ($self) = @_;	1719	my ($self) = @_;
1270		1720
1271	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1272	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1273	}	1723	}
1274		1724
1275	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1276	# all maps in C++...	1726	# all maps in C++...
1277	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1279		1729
1280	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1281	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1282	}	1732	}
1283		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
1284	sub unlink_save {	1742	sub unlink_save {
1285	my ($self) = @_;	1743	my ($self) = @_;
1286		1744
1287	utf8::encode (my $save = $self->save_path);	1745	utf8::encode (my $save = $self->save_path);
1288	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1291		1749
1292	sub load_header_from($) {	1750	sub load_header_from($) {
1293	my ($self, $path) = @_;	1751	my ($self, $path) = @_;
1294		1752
1295	utf8::encode $path;	1753	utf8::encode $path;
1296	aio_open $path, O_RDONLY, 0	1754	#aio_open $path, O_RDONLY, 0
1297	or return;	1755	# or return;
1298		1756
1299	$self->_load_header ($path)	1757	$self->_load_header ($path)
1300	or return;	1758	or return;
1301		1759
1302	$self->{load_path} = $path;	1760	$self->{load_path} = $path;
…		…
1344	$self->load_header_orig	1802	$self->load_header_orig
1345	or return;	1803	or return;
1346	$self->prepare_orig;	1804	$self->prepare_orig;
1347	}	1805	}
1348		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
1349	1	1813	1
1350	}	1814	}
1351		1815
1352	sub find;	1816	sub find;
1353	sub find {	1817	sub find {
…		…
1365	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1366		1830
1367	$map->load_header	1831	$map->load_header
1368	or return;	1832	or return;
1369		1833
1370	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1372	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1373	$map->reset;	1837	$map->reset;
1374	undef $guard;	1838	undef $guard;
1375	return find $path;	1839	return find $path;
…		…
1386	my ($self) = @_;	1850	my ($self) = @_;
1387		1851
1388	local $self->{deny_reset} = 1; # loading can take a long time	1852	local $self->{deny_reset} = 1; # loading can take a long time
1389		1853
1390	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1391	my $guard = cf::lock_acquire "map_load:$path";	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1392		1859
1393	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1394		1861
1395	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1396		1863
1397	$self->alloc;	1864	$self->alloc;
1398		1865
1399	$self->pre_load;	1866	$self->pre_load;
		1867	cf::cede_to_tick;
1400		1868
1401	$self->_load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1402	or return;	1870	or return;
1403		1871
1404	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1405	if delete $self->{load_original};	1873	if delete $self->{load_original};
1406		1874
1407	if (my $uniq = $self->uniq_path) {	1875	if (my $uniq = $self->uniq_path) {
1408	utf8::encode $uniq;	1876	utf8::encode $uniq;
1409	if (aio_open $uniq, O_RDONLY, 0) {	1877	if (aio_open $uniq, O_RDONLY, 0) {
1410	$self->clear_unique_items;	1878	$self->clear_unique_items;
1411	$self->_load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1412	}	1880	}
1413	}	1881	}
1414		1882
1415	Coro::cede;	1883	cf::cede_to_tick;
1416
1417	# now do the right thing for maps	1884	# now do the right thing for maps
1418	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1419
1420	unless ($self->{deny_activate}) {
1421	$self->decay_objects;
1422	$self->fix_auto_apply;
1423	$self->update_buttons;
1424	Coro::cede;
1425	$self->set_darkness_map;
1426	$self->difficulty ($self->estimate_difficulty)	1886	$self->difficulty ($self->estimate_difficulty)
1427	unless $self->difficulty;	1887	unless $self->difficulty;
1428	Coro::cede;	1888	cf::cede_to_tick;
		1889
		1890	unless ($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;
1429	$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);
1430	}	1904	}
1431		1905
1432	$self->post_load;	1906	$self->post_load;
1433
1434	$self->in_memory (cf::MAP_IN_MEMORY);
1435	}	1907	}
1436		1908
1437	sub customise_for {	1909	sub customise_for {
1438	my ($self, $ob) = @_;	1910	my ($self, $ob) = @_;
1439		1911
1440	return find "~" . $ob->name . "/" . $self->{path}	1912	return find "~" . $ob->name . "/" . $self->{path}
1441	if $self->per_player;	1913	if $self->per_player;
1442		1914
		1915	# return find "?party/" . $ob->name . "/" . $self->{path}
		1916	# if $self->per_party;
		1917
1443	$self	1918	$self
1444	}	1919	}
1445		1920
1446	# find and load all maps in the 3x3 area around a map	1921	# find and load all maps in the 3x3 area around a map
1447	sub load_diag {	1922	sub load_neighbours {
1448	my ($map) = @_;	1923	my ($map) = @_;
1449		1924
1450	my @diag; # diagonal neighbours	1925	my @neigh; # diagonal neighbours
1451		1926
1452	for (0 .. 3) {	1927	for (0 .. 3) {
1453	my $neigh = $map->tile_path ($_)	1928	my $neigh = $map->tile_path ($_)
1454	or next;	1929	or next;
1455	$neigh = find $neigh, $map	1930	$neigh = find $neigh, $map
1456	or next;	1931	or next;
1457	$neigh->load;	1932	$neigh->load;
1458		1933
		1934	push @neigh,
1459	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1460	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1461	}	1937	}
1462		1938
1463	for (@diag) {	1939	for (grep defined $_->[0], @neigh) {
		1940	my ($path, $origin) = @$_;
1464	my $neigh = find @$_	1941	my $neigh = find $path, $origin
1465	or next;	1942	or next;
1466	$neigh->load;	1943	$neigh->load;
1467	}	1944	}
1468	}	1945	}
1469		1946
…		…
1474	}	1951	}
1475		1952
1476	sub do_load_sync {	1953	sub do_load_sync {
1477	my ($map) = @_;	1954	my ($map) = @_;
1478		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
1479	cf::sync_job { $map->load };	1959	cf::sync_job { $map->load };
1480	}	1960	}
1481		1961
1482	our %MAP_PREFETCH;	1962	our %MAP_PREFETCH;
1483	our $MAP_PREFETCHER = undef;	1963	our $MAP_PREFETCHER = undef;
1484		1964
1485	sub find_async {	1965	sub find_async {
1486	my ($path, $origin) = @_;	1966	my ($path, $origin, $load) = @_;
1487		1967
1488	$path = normalise $path, $origin && $origin->{path};	1968	$path = normalise $path, $origin && $origin->{path};
1489		1969
1490	if (my $map = $cf::MAP{$path}) {	1970	if (my $map = $cf::MAP{$path}) {
1491	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1492	}	1972	}
1493		1973
1494	undef $MAP_PREFETCH{$path};	1974	$MAP_PREFETCH{$path} |= $load;
		1975
1495	$MAP_PREFETCHER ||= cf::async {	1976	$MAP_PREFETCHER ||= cf::async {
1496	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1497	for my $path (keys %MAP_PREFETCH) {	1978	while (my ($k, $v) = each %MAP_PREFETCH) {
1498	my $map = find $path	1979	if (my $map = find $k) {
1499	or next;
1500	$map->load;	1980	$map->load if $v;
		1981	}
1501		1982
1502	delete $MAP_PREFETCH{$path};	1983	delete $MAP_PREFETCH{$k};
1503	}	1984	}
1504	}	1985	}
1505	undef $MAP_PREFETCHER;	1986	undef $MAP_PREFETCHER;
1506	};	1987	};
1507	$MAP_PREFETCHER->prio (6);	1988	$MAP_PREFETCHER->prio (6);
…		…
1510	}	1991	}
1511		1992
1512	sub save {	1993	sub save {
1513	my ($self) = @_;	1994	my ($self) = @_;
1514		1995
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		1997
1517	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1518		1999
1519	return unless $self->dirty;	2000	return unless $self->dirty;
1520		2001
…		…
1543	my ($self) = @_;	2024	my ($self) = @_;
1544		2025
1545	# save first because save cedes	2026	# save first because save cedes
1546	$self->save;	2027	$self->save;
1547		2028
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2030
1550	return if $self->players;	2031	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1552	return if $self->{deny_save};	2033	return if $self->{deny_save};
1553		2034
…		…
1557		2038
1558	sub reset_at {	2039	sub reset_at {
1559	my ($self) = @_;	2040	my ($self) = @_;
1560		2041
1561	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1564		2044
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2047
…		…
1578	my ($self) = @_;	2058	my ($self) = @_;
1579		2059
1580	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1581		2061
1582	return if $self->players;	2062	return if $self->players;
1583	return if $self->isa ("ext::map_per_player");#d#
1584		2063
1585	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	}
1586		2075
1587	delete $cf::MAP{$self->path};	2076	delete $cf::MAP{$self->path};
1588		2077
1589	$self->in_memory (cf::MAP_SWAPPED);
1590	$self->clear;	2078	$self->clear;
1591		2079
1592	$_->clear_links_to ($self) for values %cf::MAP;	2080	$_->clear_links_to ($self) for values %cf::MAP;
1593		2081
1594	$self->unlink_save;	2082	$self->unlink_save;
…		…
1598	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1599		2087
1600	sub nuke {	2088	sub nuke {
1601	my ($self) = @_;	2089	my ($self) = @_;
1602		2090
		2091	{
		2092	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2093
1603	delete $cf::MAP{$self->path};	2094	delete $cf::MAP{$self->path};
1604		2095
1605	$self->unlink_save;
1606
1607	bless $self, "cf::map";	2096	bless $self, "cf::map";
1608	delete $self->{deny_reset};	2097	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2098	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2099	$self->reset_timeout (1);
1611	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2100	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1612		2101
		2102	$self->unlink_save;
		2103
1613	$cf::MAP{$self->path} = $self;	2104	$cf::MAP{$self->path} = $self;
		2105	}
1614		2106
1615	$self->reset; # polite request, might not happen	2107	$self->reset; # polite request, might not happen
		2108	}
		2109
		2110	=item $maps = cf::map::tmp_maps
		2111
		2112	Returns an arrayref with all map paths of currently instantiated and saved
		2113	maps. May block.
		2114
		2115	=cut
		2116
		2117	sub tmp_maps() {
		2118	[
		2119	map {
		2120	utf8::decode $_;
		2121	/\.map$/
		2122	? normalise $_
		2123	: ()
		2124	} @{ aio_readdir $TMPDIR or [] }
		2125	]
		2126	}
		2127
		2128	=item $maps = cf::map::random_maps
		2129
		2130	Returns an arrayref with all map paths of currently instantiated and saved
		2131	random maps. May block.
		2132
		2133	=cut
		2134
		2135	sub random_maps() {
		2136	[
		2137	map {
		2138	utf8::decode $_;
		2139	/\.map$/
		2140	? normalise "?random/$_"
		2141	: ()
		2142	} @{ aio_readdir $RANDOMDIR or [] }
		2143	]
1616	}	2144	}
1617		2145
1618	=item cf::map::unique_maps	2146	=item cf::map::unique_maps
1619		2147
1620	Returns an arrayref of paths of all shared maps that have	2148	Returns an arrayref of paths of all shared maps that have
1621	instantiated unique items. May block.	2149	instantiated unique items. May block.
1622		2150
1623	=cut	2151	=cut
1624		2152
1625	sub unique_maps() {	2153	sub unique_maps() {
1626	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2154	[
1627	or return;	2155	map {
1628
1629	my @paths;
1630
1631	for (@$files) {
1632	utf8::decode $_;	2156	utf8::decode $_;
1633	next if /\.pst$/;	2157	/\.map$/
1634	next unless /^$PATH_SEP/o;	2158	? normalise $_
1635		2159	: ()
1636	push @paths, cf::map::normalise $_;	2160	} @{ aio_readdir $UNIQUEDIR or [] }
1637	}	2161	]
1638
1639	\@paths
1640	}	2162	}
1641		2163
1642	package cf;	2164	package cf;
1643		2165
1644	=back	2166	=back
…		…
1690		2212
1691	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2213	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692		2214
1693	if ($self->{record_replies}) {	2215	if ($self->{record_replies}) {
1694	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2216	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2217
1695	} else {	2218	} else {
		2219	my $pl = $self->contr;
		2220
		2221	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2222	my $dialog = $pl->{npc_dialog};
		2223	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2224
		2225	} else {
1696	$msg = $npc->name . " says: $msg" if $npc;	2226	$msg = $npc->name . " says: $msg" if $npc;
1697	$self->message ($msg, $flags);	2227	$self->message ($msg, $flags);
		2228	}
1698	}	2229	}
		2230	}
		2231
		2232	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2233
		2234	=cut
		2235
		2236	sub cf::object::send_msg {
		2237	my $pl = shift->contr
		2238	or return;
		2239	$pl->send_msg (@_);
1699	}	2240	}
1700		2241
1701	=item $player_object->may ("access")	2242	=item $player_object->may ("access")
1702		2243
1703	Returns wether the given player is authorized to access resource "access"	2244	Returns wether the given player is authorized to access resource "access"
…		…
1750	$self->deactivate_recursive;	2291	$self->deactivate_recursive;
1751		2292
1752	return if UNIVERSAL::isa $self->map, "ext::map_link";	2293	return if UNIVERSAL::isa $self->map, "ext::map_link";
1753		2294
1754	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2295	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755	if $self->map;	2296	if $self->map && $self->map->{path} ne "{link}";
1756		2297
1757	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2298	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1758	}	2299	}
1759		2300
1760	sub cf::object::player::leave_link {	2301	sub cf::object::player::leave_link {
1761	my ($self, $map, $x, $y) = @_;	2302	my ($self, $map, $x, $y) = @_;
		2303
		2304	return unless $self->contr->active;
1762		2305
1763	my $link_pos = delete $self->{_link_pos};	2306	my $link_pos = delete $self->{_link_pos};
1764		2307
1765	unless ($map) {	2308	unless ($map) {
1766	# restore original map position	2309	# restore original map position
…		…
1780	# use -1 or undef as default coordinates, not 0, 0	2323	# use -1 or undef as default coordinates, not 0, 0
1781	($x, $y) = ($map->enter_x, $map->enter_y)	2324	($x, $y) = ($map->enter_x, $map->enter_y)
1782	if $x <=0 && $y <= 0;	2325	if $x <=0 && $y <= 0;
1783		2326
1784	$map->load;	2327	$map->load;
1785	$map->load_diag;	2328	$map->load_neighbours;
1786		2329
1787	return unless $self->contr->active;	2330	return unless $self->contr->active;
1788	$self->activate_recursive;	2331	$self->activate_recursive;
		2332
		2333	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789	$self->enter_map ($map, $x, $y);	2334	$self->enter_map ($map, $x, $y);
1790	}	2335	}
1791		2336
1792	cf::player->attach (	2337	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1793	on_logout => sub {
1794	my ($pl) = @_;
1795		2338
1796	# abort map switching before logout	2339	Moves the player to the given map-path and coordinates by first freezing
1797	if ($pl->ob->{_link_pos}) {	2340	her, loading and preparing them map, calling the provided $check callback
1798	cf::sync_job {	2341	that has to return the map if sucecssful, and then unfreezes the player on
1799	$pl->ob->leave_link	2342	the new (success) or old (failed) map position. In either case, $done will
1800	};	2343	be called at the end of this process.
1801	}
1802	},
1803	on_login => sub {
1804	my ($pl) = @_;
1805		2344
1806	# try to abort aborted map switching on player login :)
1807	# should happen only on crashes
1808	if ($pl->ob->{_link_pos}) {
1809	$pl->ob->enter_link;
1810	(async {
1811	# we need this sleep as the login has a concurrent enter_exit running
1812	# and this sleep increases chances of the player not ending up in scorn
1813	$pl->ob->reply (undef,
1814	"There was an internal problem at your last logout, "
1815	. "the server will try to bring you to your intended destination in a second.",
1816	cf::NDI_RED);
1817	Coro::Timer::sleep 1;
1818	$pl->ob->leave_link;
1819	})->prio (2);
1820	}
1821	},
1822	);
1823
1824	=item $player_object->goto ($path, $x, $y)
1825
1826	=cut	2345	=cut
		2346
		2347	our $GOTOGEN;
1827		2348
1828	sub cf::object::player::goto {	2349	sub cf::object::player::goto {
1829	my ($self, $path, $x, $y) = @_;	2350	my ($self, $path, $x, $y, $check, $done) = @_;
		2351
		2352	# do generation counting so two concurrent goto's will be executed in-order
		2353	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1830		2354
1831	$self->enter_link;	2355	$self->enter_link;
1832		2356
1833	(async {	2357	(async {
1834	my $map = eval {	2358	my $map = eval {
1835	my $map = cf::map::find $path;	2359	my $map = cf::map::find $path;
		2360
		2361	if ($map) {
1836	$map = $map->customise_for ($self) if $map;	2362	$map = $map->customise_for ($self);
		2363	$map = $check->($map) if $check && $map;
		2364	} else {
		2365	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	}
		2367
1837	$map	2368	$map
		2369	};
		2370
		2371	if ($@) {
		2372	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2373	LOG llevError | logBacktrace, Carp::longmess $@;
1838	} or	2374	}
1839	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840		2375
		2376	if ($gen == $self->{_goto_generation}) {
		2377	delete $self->{_goto_generation};
1841	$self->leave_link ($map, $x, $y);	2378	$self->leave_link ($map, $x, $y);
		2379	}
		2380
		2381	$done->() if $done;
1842	})->prio (1);	2382	})->prio (1);
1843	}	2383	}
1844		2384
1845	=item $player_object->enter_exit ($exit_object)	2385	=item $player_object->enter_exit ($exit_object)
1846		2386
…		…
1885		2425
1886	$rmp->{random_seed} ||= $exit->random_seed;	2426	$rmp->{random_seed} ||= $exit->random_seed;
1887		2427
1888	my $data = cf::to_json $rmp;	2428	my $data = cf::to_json $rmp;
1889	my $md5 = Digest::MD5::md5_hex $data;	2429	my $md5 = Digest::MD5::md5_hex $data;
1890	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2430	my $meta = "$RANDOMDIR/$md5.meta";
1891		2431
1892	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2432	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893	aio_write $fh, 0, (length $data), $data, 0;	2433	aio_write $fh, 0, (length $data), $data, 0;
1894	undef $fh;	2434	undef $fh;
1895	aio_rename "$meta~", $meta;	2435	aio_rename "$meta~", $meta;
…		…
1904		2444
1905	return unless $self->type == cf::PLAYER;	2445	return unless $self->type == cf::PLAYER;
1906		2446
1907	if ($exit->slaying eq "/!") {	2447	if ($exit->slaying eq "/!") {
1908	#TODO: this should de-fi-ni-te-ly not be a sync-job	2448	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2449	# the problem is that $exit might not survive long enough
		2450	# so it needs to be done right now, right here
1909	cf::sync_job { prepare_random_map $exit };	2451	cf::sync_job { prepare_random_map $exit };
1910	}	2452	}
1911		2453
1912	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2454	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913	my $hp = $exit->stats->hp;	2455	my $hp = $exit->stats->hp;
1914	my $sp = $exit->stats->sp;	2456	my $sp = $exit->stats->sp;
1915		2457
1916	$self->enter_link;	2458	$self->enter_link;
		2459
		2460	# if exit is damned, update players death & WoR home-position
		2461	$self->contr->savebed ($slaying, $hp, $sp)
		2462	if $exit->flag (FLAG_DAMNED);
1917		2463
1918	(async {	2464	(async {
1919	$self->deactivate_recursive; # just to be sure	2465	$self->deactivate_recursive; # just to be sure
1920	unless (eval {	2466	unless (eval {
1921	$self->goto ($slaying, $hp, $sp);	2467	$self->goto ($slaying, $hp, $sp);
1922		2468
1923	1;	2469	1;
1924	}) {	2470	}) {
1925	$self->message ("Something went wrong deep within the crossfire server. "	2471	$self->message ("Something went wrong deep within the crossfire server. "
1926	. "I'll try to bring you back to the map you were before. "	2472	. "I'll try to bring you back to the map you were before. "
1927	. "Please report this to the dungeon master!",	2473	. "Please report this to the dungeon master!",
1928	cf::NDI_UNIQUE | cf::NDI_RED);	2474	cf::NDI_UNIQUE | cf::NDI_RED);
1929		2475
1930	warn "ERROR in enter_exit: $@";	2476	warn "ERROR in enter_exit: $@";
1931	$self->leave_link;	2477	$self->leave_link;
1932	}	2478	}
1933	})->prio (1);	2479	})->prio (1);
…		…
1946		2492
1947	sub cf::client::send_drawinfo {	2493	sub cf::client::send_drawinfo {
1948	my ($self, $text, $flags) = @_;	2494	my ($self, $text, $flags) = @_;
1949		2495
1950	utf8::encode $text;	2496	utf8::encode $text;
1951	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2497	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952	}	2498	}
1953		2499
		2500	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2501
		2502	Send a drawinfo or msg packet to the client, formatting the msg for the
		2503	client if neccessary. C<$type> should be a string identifying the type of
		2504	the message, with C<log> being the default. If C<$color> is negative, suppress
		2505	the message unless the client supports the msg packet.
		2506
		2507	=cut
		2508
		2509	sub cf::client::send_msg {
		2510	my ($self, $channel, $msg, $color, @extra) = @_;
		2511
		2512	$msg = $self->pl->expand_cfpod ($msg);
		2513
		2514	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2515
		2516	if (ref $channel) {
		2517	# send meta info to client, if not yet sent
		2518	unless (exists $self->{channel}{$channel->{id}}) {
		2519	$self->{channel}{$channel->{id}} = $channel;
		2520	$self->ext_msg (channel_info => $channel);
		2521	}
		2522
		2523	$channel = $channel->{id};
		2524	}
		2525
		2526	return unless @extra || length $msg;
		2527
		2528	if ($self->can_msg) {
		2529	# default colour, mask it out
		2530	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2531	if $color & cf::NDI_DEF;
		2532
		2533	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2534	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2535	} else {
		2536	if ($color >= 0) {
		2537	# replace some tags by gcfclient-compatible ones
		2538	for ($msg) {
		2539	1 while
		2540	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2541	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2542	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2543	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2544	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2545	}
		2546
		2547	$color &= cf::NDI_COLOR_MASK;
		2548
		2549	utf8::encode $msg;
		2550
		2551	if (0 && $msg =~ /\[/) {
		2552	# COMMAND/INFO
		2553	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2554	} else {
		2555	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2556	$self->send_packet ("drawinfo $color $msg")
		2557	}
		2558	}
		2559	}
		2560	}
		2561
		2562	=item $client->ext_msg ($type, @msg)
		2563
		2564	Sends an ext event to the client.
		2565
		2566	=cut
		2567
		2568	sub cf::client::ext_msg($$@) {
		2569	my ($self, $type, @msg) = @_;
		2570
		2571	if ($self->extcmd == 2) {
		2572	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2573	} elsif ($self->extcmd == 1) { # TODO: remove
		2574	push @msg, msgtype => "event_$type";
		2575	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2576	}
		2577	}
		2578
		2579	=item $client->ext_reply ($msgid, @msg)
		2580
		2581	Sends an ext reply to the client.
		2582
		2583	=cut
		2584
		2585	sub cf::client::ext_reply($$@) {
		2586	my ($self, $id, @msg) = @_;
		2587
		2588	if ($self->extcmd == 2) {
		2589	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2590	} elsif ($self->extcmd == 1) {
		2591	#TODO: version 1, remove
		2592	unshift @msg, msgtype => "reply", msgid => $id;
		2593	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2594	}
		2595	}
1954		2596
1955	=item $success = $client->query ($flags, "text", \&cb)	2597	=item $success = $client->query ($flags, "text", \&cb)
1956		2598
1957	Queues a query to the client, calling the given callback with	2599	Queues a query to the client, calling the given callback with
1958	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2600	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1959	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2601	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1960		2602
1961	Queries can fail, so check the return code. Or don't, as queries will become	2603	Queries can fail, so check the return code. Or don't, as queries will
1962	reliable at some point in the future.	2604	become reliable at some point in the future.
1963		2605
1964	=cut	2606	=cut
1965		2607
1966	sub cf::client::query {	2608	sub cf::client::query {
1967	my ($self, $flags, $text, $cb) = @_;	2609	my ($self, $flags, $text, $cb) = @_;
…		…
1975	utf8::encode $text;	2617	utf8::encode $text;
1976	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2618	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977		2619
1978	$self->send_packet ($self->{query_queue}[0][0])	2620	$self->send_packet ($self->{query_queue}[0][0])
1979	if @{ $self->{query_queue} } == 1;	2621	if @{ $self->{query_queue} } == 1;
		2622
		2623	1
1980	}	2624	}
1981		2625
1982	cf::client->attach (	2626	cf::client->attach (
		2627	on_connect => sub {
		2628	my ($ns) = @_;
		2629
		2630	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2631	},
1983	on_reply => sub {	2632	on_reply => sub {
1984	my ($ns, $msg) = @_;	2633	my ($ns, $msg) = @_;
1985		2634
1986	# this weird shuffling is so that direct followup queries	2635	# this weird shuffling is so that direct followup queries
1987	# get handled first	2636	# get handled first
1988	my $queue = delete $ns->{query_queue}	2637	my $queue = delete $ns->{query_queue}
1989	or return; # be conservative, not sure how that can happen, but we saw a crash here	2638	or return; # be conservative, not sure how that can happen, but we saw a crash here
1990		2639
1991	(shift @$queue)->[1]->($msg);	2640	(shift @$queue)->[1]->($msg);
		2641	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992		2642
1993	push @{ $ns->{query_queue} }, @$queue;	2643	push @{ $ns->{query_queue} }, @$queue;
1994		2644
1995	if (@{ $ns->{query_queue} } == @$queue) {	2645	if (@{ $ns->{query_queue} } == @$queue) {
1996	if (@$queue) {	2646	if (@$queue) {
…		…
1998	} else {	2648	} else {
1999	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2649	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000	}	2650	}
2001	}	2651	}
2002	},	2652	},
		2653	on_exticmd => sub {
		2654	my ($ns, $buf) = @_;
		2655
		2656	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2657
		2658	if (ref $msg) {
		2659	my ($type, $reply, @payload) =
		2660	"ARRAY" eq ref $msg
		2661	? @$msg
		2662	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2663
		2664	my @reply;
		2665
		2666	if (my $cb = $EXTICMD{$type}) {
		2667	@reply = $cb->($ns, @payload);
		2668	}
		2669
		2670	$ns->ext_reply ($reply, @reply)
		2671	if $reply;
		2672
		2673	} else {
		2674	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2675	}
		2676
		2677	cf::override;
		2678	},
2003	);	2679	);
2004		2680
2005	=item $client->async (\&cb)	2681	=item $client->async (\&cb)
2006		2682
2007	Create a new coroutine, running the specified callback. The coroutine will	2683	Create a new coroutine, running the specified callback. The coroutine will
…		…
2048	our $safe = new Safe "safe";	2724	our $safe = new Safe "safe";
2049	our $safe_hole = new Safe::Hole;	2725	our $safe_hole = new Safe::Hole;
2050		2726
2051	$SIG{FPE} = 'IGNORE';	2727	$SIG{FPE} = 'IGNORE';
2052		2728
2053	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2729	$safe->permit_only (Opcode::opset qw(
		2730	:base_core :base_mem :base_orig :base_math
		2731	grepstart grepwhile mapstart mapwhile
		2732	sort time
		2733	));
2054		2734
2055	# here we export the classes and methods available to script code	2735	# here we export the classes and methods available to script code
2056		2736
2057	=pod	2737	=pod
2058		2738
2059	The following fucntions and emthods are available within a safe environment:	2739	The following functions and methods are available within a safe environment:
2060		2740
2061	cf::object contr pay_amount pay_player map	2741	cf::object
		2742	contr pay_amount pay_player map x y force_find force_add
		2743	insert remove name archname title slaying race decrease_ob_nr
		2744
2062	cf::object::player player	2745	cf::object::player
2063	cf::player peaceful	2746	player
2064	cf::map trigger	2747
		2748	cf::player
		2749	peaceful
		2750
		2751	cf::map
		2752	trigger
2065		2753
2066	=cut	2754	=cut
2067		2755
2068	for (	2756	for (
2069	["cf::object" => qw(contr pay_amount pay_player map)],	2757	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2758	insert remove inv name archname title slaying race
		2759	decrease_ob_nr)],
2070	["cf::object::player" => qw(player)],	2760	["cf::object::player" => qw(player)],
2071	["cf::player" => qw(peaceful)],	2761	["cf::player" => qw(peaceful)],
2072	["cf::map" => qw(trigger)],	2762	["cf::map" => qw(trigger)],
2073	) {	2763	) {
2074	no strict 'refs';	2764	no strict 'refs';
…		…
2145	=back	2835	=back
2146		2836
2147	=cut	2837	=cut
2148		2838
2149	#############################################################################	2839	#############################################################################
		2840	# the server's init and main functions
2150		2841
2151	=head2 EXTENSION DATABASE SUPPORT	2842	sub load_facedata($) {
		2843	my ($path) = @_;
2152		2844
2153	Crossfire maintains a very simple database for extension use. It can	2845	# HACK to clear player env face cache, we need some signal framework
2154	currently store anything that can be serialised using Storable, which	2846	# for this (global event?)
2155	excludes objects.	2847	%ext::player_env::MUSIC_FACE_CACHE = ();
2156		2848
2157	The parameter C<$family> should best start with the name of the extension	2849	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2158	using it, it should be unique.
2159		2850
2160	=over 4	2851	warn "loading facedata from $path\n";
2161		2852
2162	=item $hashref = cf::db_get $family	2853	my $facedata;
		2854	0 < aio_load $path, $facedata
		2855	or die "$path: $!";
2163		2856
2164	Return a hashref for use by the extension C<$family>, which can be	2857	$facedata = Coro::Storable::thaw $facedata;
2165	modified. After modifications, you have to call C<cf::db_dirty> or
2166	C<cf::db_sync>.
2167		2858
2168	=item $value = cf::db_get $family => $key	2859	$facedata->{version} == 2
		2860	or cf::cleanup "$path: version mismatch, cannot proceed.";
2169		2861
2170	Returns a single value from the database	2862	# patch in the exptable
2171		2863	$facedata->{resource}{"res/exp_table"} = {
2172	=item cf::db_put $family => $hashref	2864	type => FT_RSRC,
2173		2865	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2174	Stores the given family hashref into the database. Updates are delayed, if
2175	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176
2177	=item cf::db_put $family => $key => $value
2178
2179	Stores the given C<$value> in the family hash. Updates are delayed, if you
2180	want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182	=item cf::db_dirty
2183
2184	Marks the database as dirty, to be updated at a later time.
2185
2186	=item cf::db_sync
2187
2188	Immediately write the database to disk I<if it is dirty>.
2189
2190	=cut
2191
2192	our $DB;
2193
2194	{
2195	my $path = cf::localdir . "/database.pst";
2196
2197	sub db_load() {
2198	$DB = stat $path ? Storable::retrieve $path : { };
2199	}	2866	};
		2867	cf::cede_to_tick;
2200		2868
2201	my $pid;
2202
2203	sub db_save() {
2204	waitpid $pid, 0 if $pid;
2205	if (0 == ($pid = fork)) {
2206	$DB->{_meta}{version} = 1;
2207	Storable::nstore $DB, "$path~";
2208	rename "$path~", $path;
2209	cf::_exit 0 if defined $pid;
2210	}
2211	}	2869	{
		2870	my $faces = $facedata->{faceinfo};
2212		2871
2213	my $dirty;	2872	while (my ($face, $info) = each %$faces) {
		2873	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2874	cf::face::set_visibility $idx, $info->{visibility};
		2875	cf::face::set_magicmap $idx, $info->{magicmap};
		2876	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2877	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2214		2878
2215	sub db_sync() {	2879	cf::cede_to_tick;
2216	db_save if $dirty;
2217	undef $dirty;
2218	}
2219
2220	my $idle = Event->idle (
2221	reentrant => 0,
2222	min => 10,
2223	max => 20,
2224	repeat => 0,
2225	data => WF_AUTOCANCEL,
2226	cb => \&db_sync,
2227	);
2228
2229	sub db_dirty() {
2230	$dirty = 1;
2231	$idle->start;
2232	}
2233
2234	sub db_get($;$) {
2235	@_ >= 2
2236	? $DB->{$_[0]}{$_[1]}
2237	: ($DB->{$_[0]} ||= { })
2238	}
2239
2240	sub db_put($$;$) {
2241	if (@_ >= 3) {
2242	$DB->{$_[0]}{$_[1]} = $_[2];
2243	} else {
2244	$DB->{$_[0]} = $_[1];
2245	}
2246	db_dirty;
2247	}
2248
2249	cf::global->attach (
2250	prio => 10000,
2251	on_cleanup => sub {
2252	db_sync;
2253	},	2880	}
2254	);
2255	}
2256		2881
2257	#############################################################################	2882	while (my ($face, $info) = each %$faces) {
2258	# the server's main()	2883	next unless $info->{smooth};
		2884	my $idx = cf::face::find $face
		2885	or next;
		2886	if (my $smooth = cf::face::find $info->{smooth}) {
		2887	cf::face::set_smooth $idx, $smooth;
		2888	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2889	} else {
		2890	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2891	}
2259		2892
2260	sub cfg_load {	2893	cf::cede_to_tick;
		2894	}
		2895	}
		2896
		2897	{
		2898	my $anims = $facedata->{animinfo};
		2899
		2900	while (my ($anim, $info) = each %$anims) {
		2901	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2902	cf::cede_to_tick;
		2903	}
		2904
		2905	cf::anim::invalidate_all; # d'oh
		2906	}
		2907
		2908	{
		2909	# TODO: for gcfclient pleasure, we should give resources
		2910	# that gcfclient doesn't grok a >10000 face index.
		2911	my $res = $facedata->{resource};
		2912
		2913	my $soundconf = delete $res->{"res/sound.conf"};
		2914
		2915	while (my ($name, $info) = each %$res) {
		2916	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2917	my $data;
		2918
		2919	if ($info->{type} & 1) {
		2920	# prepend meta info
		2921
		2922	my $meta = $enc->encode ({
		2923	name => $name,
		2924	%{ $info->{meta} || {} },
		2925	});
		2926
		2927	$data = pack "(w/a*)*", $meta, $info->{data};
		2928	} else {
		2929	$data = $info->{data};
		2930	}
		2931
		2932	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2933	cf::face::set_type $idx, $info->{type};
		2934
		2935	cf::cede_to_tick;
		2936	}
		2937
		2938	if ($soundconf) {
		2939	$soundconf = $enc->decode (delete $soundconf->{data});
		2940
		2941	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2942	my $sound = $soundconf->{compat}[$_]
		2943	or next;
		2944
		2945	my $face = cf::face::find "sound/$sound->[1]";
		2946	cf::sound::set $sound->[0] => $face;
		2947	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2948	}
		2949
		2950	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2951	my $face = cf::face::find "sound/$v";
		2952	cf::sound::set $k => $face;
		2953	}
		2954	}
		2955	}
		2956
		2957	1
		2958	}
		2959
		2960	register_exticmd fx_want => sub {
		2961	my ($ns, $want) = @_;
		2962
		2963	while (my ($k, $v) = each %$want) {
		2964	$ns->fx_want ($k, $v);
		2965	}
		2966	};
		2967
		2968	sub reload_regions {
		2969	# HACK to clear player env face cache, we need some signal framework
		2970	# for this (global event?)
		2971	%ext::player_env::MUSIC_FACE_CACHE = ();
		2972
		2973	load_resource_file "$MAPDIR/regions"
		2974	or die "unable to load regions file\n";
		2975
		2976	for (cf::region::list) {
		2977	$_->{match} = qr/$_->{match}/
		2978	if exists $_->{match};
		2979	}
		2980	}
		2981
		2982	sub reload_facedata {
		2983	load_facedata "$DATADIR/facedata"
		2984	or die "unable to load facedata\n";
		2985	}
		2986
		2987	sub reload_archetypes {
		2988	load_resource_file "$DATADIR/archetypes"
		2989	or die "unable to load archetypes\n";
		2990	#d# NEED to laod twice to resolve forward references
		2991	# this really needs to be done in an extra post-pass
		2992	# (which needs to be synchronous, so solve it differently)
		2993	load_resource_file "$DATADIR/archetypes"
		2994	or die "unable to load archetypes\n";
		2995	}
		2996
		2997	sub reload_treasures {
		2998	load_resource_file "$DATADIR/treasures"
		2999	or die "unable to load treasurelists\n";
		3000	}
		3001
		3002	sub reload_resources {
		3003	warn "reloading resource files...\n";
		3004
		3005	reload_regions;
		3006	reload_facedata;
		3007	#reload_archetypes;#d#
		3008	reload_archetypes;
		3009	reload_treasures;
		3010
		3011	warn "finished reloading resource files\n";
		3012	}
		3013
		3014	sub init {
		3015	reload_resources;
		3016	}
		3017
		3018	sub reload_config {
2261	open my $fh, "<:utf8", cf::confdir . "/config"	3019	open my $fh, "<:utf8", "$CONFDIR/config"
2262	or return;	3020	or return;
2263		3021
2264	local $/;	3022	local $/;
2265	*CFG = YAML::Syck::Load <$fh>;	3023	*CFG = YAML::Syck::Load <$fh>;
2266		3024
…		…
2285	(async {	3043	(async {
2286	Event::one_event;	3044	Event::one_event;
2287	})->prio (Coro::PRIO_MAX);	3045	})->prio (Coro::PRIO_MAX);
2288	};	3046	};
2289		3047
2290	cfg_load;	3048	reload_config;
2291	db_load;	3049	db_init;
2292	load_extensions;	3050	load_extensions;
2293		3051
2294	$TICK_WATCHER->start;	3052	$TICK_WATCHER->start;
2295	Event::loop;	3053	Event::loop;
2296	}	3054	}
…		…
2311	},	3069	},
2312	);	3070	);
2313	}	3071	}
2314	}	3072	}
2315		3073
		3074	sub write_runtime {
		3075	my $runtime = "$LOCALDIR/runtime";
		3076
		3077	# first touch the runtime file to show we are still running:
		3078	# the fsync below can take a very very long time.
		3079
		3080	IO::AIO::aio_utime $runtime, undef, undef;
		3081
		3082	my $guard = cf::lock_acquire "write_runtime";
		3083
		3084	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3085	or return;
		3086
		3087	my $value = $cf::RUNTIME + 90 + 10;
		3088	# 10 is the runtime save interval, for a monotonic clock
		3089	# 60 allows for the watchdog to kill the server.
		3090
		3091	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3092	and return;
		3093
		3094	# always fsync - this file is important
		3095	aio_fsync $fh
		3096	and return;
		3097
		3098	# touch it again to show we are up-to-date
		3099	aio_utime $fh, undef, undef;
		3100
		3101	close $fh
		3102	or return;
		3103
		3104	aio_rename "$runtime~", $runtime
		3105	and return;
		3106
		3107	warn "runtime file written.\n";
		3108
		3109	1
		3110	}
		3111
2316	sub emergency_save() {	3112	sub emergency_save() {
2317	my $freeze_guard = cf::freeze_mainloop;	3113	my $freeze_guard = cf::freeze_mainloop;
2318		3114
2319	warn "enter emergency perl save\n";	3115	warn "enter emergency perl save\n";
2320		3116
…		…
2335	my $map = $cf::MAP{$path} or next;	3131	my $map = $cf::MAP{$path} or next;
2336	$map->valid or next;	3132	$map->valid or next;
2337	$map->save;	3133	$map->save;
2338	}	3134	}
2339	warn "end emergency map save\n";	3135	warn "end emergency map save\n";
		3136
		3137	warn "begin emergency database checkpoint\n";
		3138	BDB::db_env_txn_checkpoint $DB_ENV;
		3139	warn "end emergency database checkpoint\n";
2340	};	3140	};
2341		3141
2342	warn "leave emergency perl save\n";	3142	warn "leave emergency perl save\n";
2343	}	3143	}
2344		3144
		3145	sub post_cleanup {
		3146	my ($make_core) = @_;
		3147
		3148	warn Carp::longmess "post_cleanup backtrace"
		3149	if $make_core;
		3150	}
		3151
2345	sub reload() {	3152	sub do_reload_perl() {
2346	# can/must only be called in main	3153	# can/must only be called in main
2347	if ($Coro::current != $Coro::main) {	3154	if ($Coro::current != $Coro::main) {
2348	warn "can only reload from main coroutine";	3155	warn "can only reload from main coroutine";
2349	return;	3156	return;
2350	}	3157	}
2351		3158
2352	warn "reloading...";	3159	warn "reloading...";
2353		3160
2354	warn "cancelling server ticker";	3161	warn "entering sync_job";
2355	$TICK_WATCHER->cancel;
2356		3162
		3163	cf::sync_job {
		3164	cf::write_runtime; # external watchdog should not bark
2357	cf::emergency_save;	3165	cf::emergency_save;
		3166	cf::write_runtime; # external watchdog should not bark
2358		3167
2359	eval {	3168	warn "syncing database to disk";
		3169	BDB::db_env_txn_checkpoint $DB_ENV;
		3170
2360	# if anything goes wrong in here, we should simply crash as we already saved	3171	# if anything goes wrong in here, we should simply crash as we already saved
2361
2362	warn "syncing database to disk";
2363	cf::db_sync;
2364		3172
2365	warn "cancelling all WF_AUTOCANCEL watchers";	3173	warn "cancelling all WF_AUTOCANCEL watchers";
2366	for (Event::all_watchers) {	3174	for (Event::all_watchers) {
2367	$_->cancel if $_->data & WF_AUTOCANCEL;	3175	$_->cancel if $_->data & WF_AUTOCANCEL;
2368	}	3176	}
2369		3177
2370	warn "flushing outstanding aio requests";	3178	warn "flushing outstanding aio requests";
2371	for (;;) {	3179	for (;;) {
		3180	BDB::flush;
2372	IO::AIO::flush;	3181	IO::AIO::flush;
2373	Coro::cede;	3182	Coro::cede;
2374	last unless IO::AIO::nreqs;	3183	last unless IO::AIO::nreqs || BDB::nreqs;
2375	warn "iterate...";	3184	warn "iterate...";
2376	}	3185	}
		3186
		3187	++$RELOAD;
2377		3188
2378	warn "cancelling all extension coros";	3189	warn "cancelling all extension coros";
2379	$_->cancel for values %EXT_CORO;	3190	$_->cancel for values %EXT_CORO;
2380	%EXT_CORO = ();	3191	%EXT_CORO = ();
2381		3192
2382	warn "removing commands";	3193	warn "removing commands";
2383	%COMMAND = ();	3194	%COMMAND = ();
2384		3195
2385	warn "removing ext commands";	3196	warn "removing ext/exti commands";
2386	%EXTCMD = ();	3197	%EXTCMD = ();
		3198	%EXTICMD = ();
2387		3199
2388	warn "unloading/nuking all extensions";	3200	warn "unloading/nuking all extensions";
2389	for my $pkg (@EXTS) {	3201	for my $pkg (@EXTS) {
2390	warn "... unloading $pkg";	3202	warn "... unloading $pkg";
2391		3203
…		…
2421	Symbol::delete_package "safe::$_"	3233	Symbol::delete_package "safe::$_"
2422	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3234	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2423		3235
2424	warn "unloading cf.pm \"a bit\"";	3236	warn "unloading cf.pm \"a bit\"";
2425	delete $INC{"cf.pm"};	3237	delete $INC{"cf.pm"};
		3238	delete $INC{"cf/pod.pm"};
2426		3239
2427	# don't, removes xs symbols, too,	3240	# don't, removes xs symbols, too,
2428	# and global variables created in xs	3241	# and global variables created in xs
2429	#Symbol::delete_package __PACKAGE__;	3242	#Symbol::delete_package __PACKAGE__;
2430		3243
…		…
2433	warn "reloading cf.pm";	3246	warn "reloading cf.pm";
2434	require cf;	3247	require cf;
2435	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3248	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436		3249
2437	warn "loading config and database again";	3250	warn "loading config and database again";
2438	cf::cfg_load;	3251	cf::reload_config;
2439	cf::db_load;
2440		3252
2441	warn "loading extensions";	3253	warn "loading extensions";
2442	cf::load_extensions;	3254	cf::load_extensions;
2443		3255
2444	warn "reattaching attachments to objects/players";	3256	warn "reattaching attachments to objects/players";
2445	_global_reattach;	3257	_global_reattach; # objects, sockets
2446	warn "reattaching attachments to maps";	3258	warn "reattaching attachments to maps";
2447	reattach $_ for values %MAP;	3259	reattach $_ for values %MAP;
		3260	warn "reattaching attachments to players";
		3261	reattach $_ for values %PLAYER;
2448		3262
2449	warn "restarting server ticker";	3263	warn "leaving sync_job";
2450		3264
2451	$TICK_WATCHER->start;	3265	1
2452	};	3266	} or do {
2453
2454	if ($@) {
2455	warn $@;	3267	warn $@;
2456	warn "error while reloading, exiting.";	3268	warn "error while reloading, exiting.";
2457	exit 1;	3269	exit 1;
2458	}	3270	};
2459		3271
2460	warn "reloaded";	3272	warn "reloaded";
2461	};	3273	};
2462		3274
2463	our $RELOAD_WATCHER; # used only during reload	3275	our $RELOAD_WATCHER; # used only during reload
2464		3276
		3277	sub reload_perl() {
		3278	# doing reload synchronously and two reloads happen back-to-back,
		3279	# coro crashes during coro_state_free->destroy here.
		3280
		3281	$RELOAD_WATCHER ||= Event->timer (
		3282	reentrant => 0,
		3283	after => 0,
		3284	data => WF_AUTOCANCEL,
		3285	cb => sub {
		3286	do_reload_perl;
		3287	undef $RELOAD_WATCHER;
		3288	},
		3289	);
		3290	}
		3291
2465	register_command "reload" => sub {	3292	register_command "reload" => sub {
2466	my ($who, $arg) = @_;	3293	my ($who, $arg) = @_;
2467		3294
2468	if ($who->flag (FLAG_WIZ)) {	3295	if ($who->flag (FLAG_WIZ)) {
2469	$who->message ("reloading server.");	3296	$who->message ("reloading server.");
2470		3297	async { reload_perl };
2471	# doing reload synchronously and two reloads happen back-to-back,
2472	# coro crashes during coro_state_free->destroy here.
2473
2474	$RELOAD_WATCHER ||= Event->timer (
2475	reentrant => 0,
2476	after => 0,
2477	data => WF_AUTOCANCEL,
2478	cb => sub {
2479	reload;
2480	undef $RELOAD_WATCHER;
2481	},
2482	);
2483	}	3298	}
2484	};	3299	};
2485		3300
2486	unshift @INC, $LIBDIR;	3301	unshift @INC, $LIBDIR;
2487		3302
2488	my $bug_warning = 0;	3303	my $bug_warning = 0;
2489		3304
		3305	our @WAIT_FOR_TICK;
		3306	our @WAIT_FOR_TICK_BEGIN;
		3307
		3308	sub wait_for_tick {
		3309	return unless $TICK_WATCHER->is_active;
		3310	return if $Coro::current == $Coro::main;
		3311
		3312	my $signal = new Coro::Signal;
		3313	push @WAIT_FOR_TICK, $signal;
		3314	$signal->wait;
		3315	}
		3316
		3317	sub wait_for_tick_begin {
		3318	return unless $TICK_WATCHER->is_active;
		3319	return if $Coro::current == $Coro::main;
		3320
		3321	my $signal = new Coro::Signal;
		3322	push @WAIT_FOR_TICK_BEGIN, $signal;
		3323	$signal->wait;
		3324	}
		3325
		3326	my $min = 1e6;#d#
		3327	my $avg = 10;
2490	$TICK_WATCHER = Event->timer (	3328	$TICK_WATCHER = Event->timer (
2491	reentrant => 0,	3329	reentrant => 0,
2492	parked => 1,	3330	parked => 1,
2493	prio => 0,	3331	prio => 0,
2494	at => $NEXT_TICK || $TICK,	3332	at => $NEXT_TICK || $TICK,
…		…
2498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3336	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499	unless ++$bug_warning > 10;	3337	unless ++$bug_warning > 10;
2500	return;	3338	return;
2501	}	3339	}
2502		3340
2503	$NOW = Event::time;	3341	$NOW = $tick_start = Event::time;
2504		3342
2505	cf::server_tick; # one server iteration	3343	cf::server_tick; # one server iteration
		3344
		3345	0 && sync_job {#d#
		3346	for(1..10) {
		3347	my $t = Event::time;
		3348	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3349	or die;
		3350
		3351	$map->width (50);
		3352	$map->height (50);
		3353	$map->alloc;
		3354	$map->_load_objects ("/tmp/x.map", 1);
		3355	my $t = Event::time - $t;
		3356
		3357	#next unless $t < 0.0013;#d#
		3358	if ($t < $min) {
		3359	$min = $t;
		3360	}
		3361	$avg = $avg * 0.99 + $t * 0.01;
		3362	}
		3363	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3364	exit 0;
		3365	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3366	};
		3367
2506	$RUNTIME += $TICK;	3368	$RUNTIME += $TICK;
2507	$NEXT_TICK += $TICK;	3369	$NEXT_TICK += $TICK;
2508		3370
2509	$WAIT_FOR_TICK->broadcast;	3371	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3372	$NEXT_RUNTIME_WRITE = $NOW + 10;
2511		3373	Coro::async_pool {
2512	Event::sweep;	3374	write_runtime
2513	Coro::cede_notself;	3375	or warn "ERROR: unable to write runtime file: $!";
		3376	};
2514		3377	}
		3378
2515	# my $AFTER = Event::time;	3379	# my $AFTER = Event::time;
2516	# warn $AFTER - $NOW;#d#	3380	# warn $AFTER - $NOW;#d#
2517		3381
		3382	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3383	$sig->send;
		3384	}
		3385	while (my $sig = shift @WAIT_FOR_TICK) {
		3386	$sig->send;
		3387	}
		3388
		3389	$NOW = Event::time;
		3390
2518	# if we are delayed by four ticks or more, skip them all	3391	# if we are delayed by four ticks or more, skip them all
2519	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3392	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2520		3393
2521	$TICK_WATCHER->at ($NEXT_TICK);	3394	$TICK_WATCHER->at ($NEXT_TICK);
2522	$TICK_WATCHER->start;	3395	$TICK_WATCHER->start;
		3396
		3397	$LOAD = ($NOW - $tick_start) / $TICK;
		3398	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3399
		3400	_post_tick;
		3401
		3402
2523	},	3403	},
2524	);	3404	);
2525		3405
		3406	{
		3407	BDB::max_poll_time $TICK * 0.1;
		3408	$BDB_POLL_WATCHER = Event->io (
		3409	reentrant => 0,
		3410	fd => BDB::poll_fileno,
		3411	poll => 'r',
		3412	prio => 0,
		3413	data => WF_AUTOCANCEL,
		3414	cb => \&BDB::poll_cb,
		3415	);
		3416	BDB::min_parallel 8;
		3417
		3418	BDB::set_sync_prepare {
		3419	my $status;
		3420	my $current = $Coro::current;
		3421	(
		3422	sub {
		3423	$status = $!;
		3424	$current->ready; undef $current;
		3425	},
		3426	sub {
		3427	Coro::schedule while defined $current;
		3428	$! = $status;
		3429	},
		3430	)
		3431	};
		3432
		3433	unless ($DB_ENV) {
		3434	$DB_ENV = BDB::db_env_create;
		3435
		3436	cf::sync_job {
		3437	eval {
		3438	BDB::db_env_open
		3439	$DB_ENV,
		3440	$BDBDIR,
		3441	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3442	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3443	0666;
		3444
		3445	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3446
		3447	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3448	$DB_ENV->set_lk_detect;
		3449	};
		3450
		3451	cf::cleanup "db_env_open(db): $@" if $@;
		3452	};
		3453	}
		3454	}
		3455
		3456	{
		3457	IO::AIO::min_parallel 8;
		3458
		3459	undef $Coro::AIO::WATCHER;
2526	IO::AIO::max_poll_time $TICK * 0.1;	3460	IO::AIO::max_poll_time $TICK * 0.1;
2527
2528	undef $Coro::AIO::WATCHER;
2529	$AIO_POLL_WATCHER = Event->io (	3461	$AIO_POLL_WATCHER = Event->io (
2530	reentrant => 0,	3462	reentrant => 0,
		3463	data => WF_AUTOCANCEL,
2531	fd => IO::AIO::poll_fileno,	3464	fd => IO::AIO::poll_fileno,
2532	poll => 'r',	3465	poll => 'r',
2533	prio => 6,	3466	prio => 6,
2534	data => WF_AUTOCANCEL,
2535	cb => \&IO::AIO::poll_cb,	3467	cb => \&IO::AIO::poll_cb,
2536	);	3468	);
		3469	}
2537		3470
2538	$WRITE_RUNTIME_WATCHER = Event->timer (	3471	my $_log_backtrace;
2539	reentrant => 0,	3472
2540	data => WF_AUTOCANCEL,	3473	sub _log_backtrace {
2541	after => 1,	3474	my ($msg, @addr) = @_;
2542	interval => 10,	3475
2543	prio => 6, # keep it lowest so it acts like a watchdog	3476	$msg =~ s/\n//;
2544	cb => Coro::unblock_sub {	3477
2545	write_runtime	3478	# limit the # of concurrent backtraces
2546	or warn "ERROR: unable to write runtime file: $!";	3479	if ($_log_backtrace < 2) {
		3480	++$_log_backtrace;
		3481	async {
		3482	my @bt = fork_call {
		3483	@addr = map { sprintf "%x", $_ } @addr;
		3484	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3485	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3486	or die "addr2line: $!";
		3487
		3488	my @funcs;
		3489	my @res = <$fh>;
		3490	chomp for @res;
		3491	while (@res) {
		3492	my ($func, $line) = splice @res, 0, 2, ();
		3493	push @funcs, "[$func] $line";
		3494	}
		3495
		3496	@funcs
		3497	};
		3498
		3499	LOG llevInfo, "[ABT] $msg\n";
		3500	LOG llevInfo, "[ABT] $_\n" for @bt;
		3501	--$_log_backtrace;
		3502	};
		3503	} else {
		3504	LOG llevInfo, "[ABT] $msg\n";
		3505	LOG llevInfo, "[ABT] [suppressed]\n";
2547	},	3506	}
2548	);	3507	}
		3508
		3509	# load additional modules
		3510	use cf::pod;
2549		3511
2550	END { cf::emergency_save }	3512	END { cf::emergency_save }
2551		3513
2552	1	3514	1
2553		3515

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