[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.94 by root, Thu Dec 21 23:02:54 2006 UTC vs.
Revision 1.108 by root, Sun Dec 31 21:02:05 2006 UTC

…		…
1	package cf;	1	package cf;
		2
		3	use utf8;
		4	use strict;
2		5
3	use Symbol;	6	use Symbol;
4	use List::Util;	7	use List::Util;
5	use Storable;	8	use Storable;
6	use Opcode;	9	use Opcode;
7	use Safe;	10	use Safe;
8	use Safe::Hole;	11	use Safe::Hole;
9		12
		13	use Coro 3.3;
		14	use Coro::Event;
		15	use Coro::Timer;
		16	use Coro::Signal;
		17	use Coro::Semaphore;
		18	use Coro::AIO;
		19
		20	use Digest::MD5;
		21	use Fcntl;
10	use IO::AIO ();	22	use IO::AIO 2.31 ();
11	use YAML::Syck ();	23	use YAML::Syck ();
12	use Time::HiRes;	24	use Time::HiRes;
13	use Event;	25
14	$Event::Eval = 1; # no idea why this is required, but it is	26	use Event; $Event::Eval = 1; # no idea why this is required, but it is
15		27
16	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
17	$YAML::Syck::ImplicitUnicode = 1;	29	$YAML::Syck::ImplicitUnicode = 1;
18		30
19	use strict;	31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority
20		32
21	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
22		34
23	our %COMMAND = ();	35	our %COMMAND = ();
24	our %COMMAND_TIME = ();	36	our %COMMAND_TIME = ();
25	our %EXTCMD = ();	37	our %EXTCMD = ();
26		38
27	_init_vars;
28
29	our @EVENT;	39	our @EVENT;
30	our $LIBDIR = datadir . "/ext";	40	our $LIBDIR = datadir . "/ext";
31		41
32	our $TICK = MAX_TIME * 1e-6;	42	our $TICK = MAX_TIME * 1e-6;
33	our $TICK_WATCHER;	43	our $TICK_WATCHER;
34	our $NEXT_TICK;	44	our $NEXT_TICK;
		45	our $NOW;
35		46
36	our %CFG;	47	our %CFG;
37		48
38	our $UPTIME; $UPTIME \|\|= time;	49	our $UPTIME; $UPTIME \|\|= time;
		50	our $RUNTIME;
		51
		52	our %MAP; # all maps
		53	our $LINK_MAP; # the special {link} map
		54	our $FREEZE;
		55	our $RANDOM_MAPS = cf::localdir . "/random";
		56	our %EXT_CORO;
		57
		58	binmode STDOUT;
		59	binmode STDERR;
		60
		61	# read virtual server time, if available
		62	unless ($RUNTIME \|\| !-e cf::localdir . "/runtime") {
		63	open my $fh, "<", cf::localdir . "/runtime"
		64	or die "unable to read runtime file: $!";
		65	$RUNTIME = <$fh> + 0.;
		66	}
		67
		68	mkdir cf::localdir;
		69	mkdir cf::localdir . "/" . cf::playerdir;
		70	mkdir cf::localdir . "/" . cf::tmpdir;
		71	mkdir cf::localdir . "/" . cf::uniquedir;
		72	mkdir $RANDOM_MAPS;
		73
		74	# a special map that is always available
		75	our $LINK_MAP;
39		76
40	#############################################################################	77	#############################################################################
41		78
42	=head2 GLOBAL VARIABLES	79	=head2 GLOBAL VARIABLES
43		80
44	=over 4	81	=over 4
45		82
46	=item $cf::UPTIME	83	=item $cf::UPTIME
47		84
48	The timestamp of the server start (so not actually an uptime).	85	The timestamp of the server start (so not actually an uptime).
		86
		87	=item $cf::RUNTIME
		88
		89	The time this server has run, starts at 0 and is increased by $cf::TICK on
		90	every server tick.
49		91
50	=item $cf::LIBDIR	92	=item $cf::LIBDIR
51		93
52	The perl library directory, where extensions and cf-specific modules can	94	The perl library directory, where extensions and cf-specific modules can
53	be found. It will be added to C<@INC> automatically.	95	be found. It will be added to C<@INC> automatically.
		96
		97	=item $cf::NOW
		98
		99	The time of the last (current) server tick.
54		100
55	=item $cf::TICK	101	=item $cf::TICK
56		102
57	The interval between server ticks, in seconds.	103	The interval between server ticks, in seconds.
58		104
66	=cut	112	=cut
67		113
68	BEGIN {	114	BEGIN {
69	*CORE::GLOBAL::warn = sub {	115	*CORE::GLOBAL::warn = sub {
70	my $msg = join "", @_;	116	my $msg = join "", @_;
		117	utf8::encode $msg;
		118
71	$msg .= "\n"	119	$msg .= "\n"
72	unless $msg =~ /\n$/;	120	unless $msg =~ /\n$/;
73		121
74	print STDERR "cfperl: $msg";
75	LOG llevError, "cfperl: $msg";	122	LOG llevError, "cfperl: $msg";
76	};	123	};
77	}	124	}
78		125
79	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
84	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	131	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';
85		132
86	# we bless all objects into (empty) derived classes to force a method lookup	133	# we bless all objects into (empty) derived classes to force a method lookup
87	# within the Safe compartment.	134	# within the Safe compartment.
88	for my $pkg (qw(	135	for my $pkg (qw(
89	cf::global	136	cf::global cf::attachable
90	cf::object cf::object::player	137	cf::object cf::object::player
91	cf::client cf::player	138	cf::client cf::player
92	cf::arch cf::living	139	cf::arch cf::living
93	cf::map cf::party cf::region	140	cf::map cf::party cf::region
94	)) {	141	)) {
…		…
132	sub to_json($) {	179	sub to_json($) {
133	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
134	JSON::Syck::Dump $_[0]	181	JSON::Syck::Dump $_[0]
135	}	182	}
136		183
		184	=item cf::sync_job { BLOCK }
		185
		186	The design of crossfire+ requires that the main coro ($Coro::main) is
		187	always able to handle events or runnable, as crossfire+ is only partly
		188	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.
		189
		190	If it must be done, put the blocking parts into C<sync_job>. This will run
		191	the given BLOCK in another coroutine while waiting for the result. The
		192	server will be frozen during this time, so the block should either finish
		193	fast or be very important.
		194
		195	=cut
		196
		197	sub sync_job(&) {
		198	my ($job) = @_;
		199
		200	my $busy = 1;
		201	my @res;
		202
		203	# TODO: use suspend/resume instead
		204	local $FREEZE = 1;
		205
		206	my $coro = Coro::async {
		207	@res = eval { $job->() };
		208	warn $@ if $@;
		209	undef $busy;
		210	};
		211
		212	if ($Coro::current == $Coro::main) {
		213	$coro->prio (Coro::PRIO_MAX);
		214	while ($busy) {
		215	Coro::cede_notself;
		216	Event::one_event unless Coro::nready;
		217	}
		218	} else {
		219	$coro->join;
		220	}
		221
		222	wantarray ? @res : $res[0]
		223	}
		224
		225	=item $coro = cf::coro { BLOCK }
		226
		227	Creates and returns a new coro. This coro is automcatially being canceled
		228	when the extension calling this is being unloaded.
		229
		230	=cut
		231
		232	sub coro(&) {
		233	my $cb = shift;
		234
		235	my $coro; $coro = async {
		236	eval {
		237	$cb->();
		238	};
		239	warn $@ if $@;
		240	};
		241
		242	$coro->on_destroy (sub {
		243	delete $EXT_CORO{$coro+0};
		244	});
		245	$EXT_CORO{$coro+0} = $coro;
		246
		247	$coro
		248	}
		249
		250	sub write_runtime {
		251	my $runtime = cf::localdir . "/runtime";
		252
		253	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		254	or return;
		255
		256	my $value = $cf::RUNTIME;
		257	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		258	and return;
		259
		260	aio_fsync $fh
		261	and return;
		262
		263	close $fh
		264	or return;
		265
		266	aio_rename "$runtime~", $runtime
		267	and return;
		268
		269	1
		270	}
		271
137	=back	272	=back
138		273
139	=cut	274	=cut
		275
		276	#############################################################################
		277
		278	package cf::path;
		279
		280	sub new {
		281	my ($class, $path, $base) = @_;
		282
		283	my $self = bless { }, $class;
		284
		285	if ($path =~ s{^\?random/}{}) {
		286	$self->{random} = cf::from_json $path;
		287	} else {
		288	if ($path =~ s{^~([^/]+)?}{}) {
		289	$self->{user_rel} = 1;
		290
		291	if (defined $1) {
		292	$self->{user} = $1;
		293	} elsif ($base =~ m{^~([^/]+)/}) {
		294	$self->{user} = $1;
		295	} else {
		296	warn "cannot resolve user-relative path without user <$path,$base>\n";
		297	}
		298	} elsif ($path =~ /^\//) {
		299	# already absolute
		300	} else {
		301	$base =~ s{[^/]+/?$}{};
		302	return $class->new ("$base/$path");
		303	}
		304
		305	for ($path) {
		306	redo if s{/\.?/}{/};
		307	redo if s{/[^/]+/\.\./}{/};
		308	}
		309	}
		310
		311	$self->{path} = $path;
		312
		313	$self
		314	}
		315
		316	# the name / primary key / in-game path
		317	sub as_string {
		318	my ($self) = @_;
		319
		320	$self->{user_rel} ? "~$self->{user}$self->{path}"
		321	: $self->{random} ? "?random/$self->{path}"
		322	: $self->{path}
		323	}
		324
		325	# the displayed name, this is a one way mapping
		326	sub visible_name {
		327	my ($self) = @_;
		328
		329	$self->{random} ? "?random/$self->{random}{origin_map}+$self->{random}{origin_x}+$self->{random}{origin_y}/$self->{random}{dungeon_level}"
		330	: $self->as_string
		331	}
		332
		333	# escape the /'s in the path
		334	sub _escaped_path {
		335	# ∕ is U+2215
		336	(my $path = $_[0]{path}) =~ s/\//∕/g;
		337	$path
		338	}
		339
		340	# the original (read-only) location
		341	sub load_path {
		342	my ($self) = @_;
		343
		344	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		345	}
		346
		347	# the temporary/swap location
		348	sub save_path {
		349	my ($self) = @_;
		350
		351	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		352	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, Digest::MD5::md5_hex $self->{path}
		353	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		354	}
		355
		356	# the unique path, might be eq to save_path
		357	sub uniq_path {
		358	my ($self) = @_;
		359
		360	$self->{user_rel} \|\| $self->{random}
		361	? undef
		362	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		363	}
		364
		365	# return random map parameters, or undef
		366	sub random_map_params {
		367	my ($self) = @_;
		368
		369	$self->{random}
		370	}
		371
		372	# this is somewhat ugly, but style maps do need special treatment
		373	sub is_style_map {
		374	$_[0]{path} =~ m{^/styles/}
		375	}
		376
		377	package cf;
140		378
141	#############################################################################	379	#############################################################################
142		380
143	=head2 ATTACHABLE OBJECTS	381	=head2 ATTACHABLE OBJECTS
144		382
…		…
249	my ($self, $victim) = @_;	487	my ($self, $victim) = @_;
250	...	488	...
251	}	489	}
252	}	490	}
253		491
		492	=item $attachable->valid
		493
		494	Just because you have a perl object does not mean that the corresponding
		495	C-level object still exists. If you try to access an object that has no
		496	valid C counterpart anymore you get an exception at runtime. This method
		497	can be used to test for existence of the C object part without causing an
		498	exception.
		499
254	=cut	500	=cut
255		501
256	# the following variables are defined in .xs and must not be re-created	502	# the following variables are defined in .xs and must not be re-created
257	our @CB_GLOBAL = (); # registry for all global events	503	our @CB_GLOBAL = (); # registry for all global events
		504	our @CB_ATTACHABLE = (); # registry for all attachables
258	our @CB_OBJECT = (); # all objects (should not be used except in emergency)	505	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
259	our @CB_PLAYER = ();	506	our @CB_PLAYER = ();
260	our @CB_CLIENT = ();	507	our @CB_CLIENT = ();
261	our @CB_TYPE = (); # registry for type (cf-object class) based events	508	our @CB_TYPE = (); # registry for type (cf-object class) based events
262	our @CB_MAP = ();	509	our @CB_MAP = ();
263		510
264	my %attachment;	511	my %attachment;
265		512
266	sub _attach_cb($$$$) {	513	sub _attach_cb($$$$) {
267	my ($registry, $event, $prio, $cb) = @_;	514	my ($registry, $event, $prio, $cb) = @_;
…		…
272		519
273	@{$registry->[$event]} = sort	520	@{$registry->[$event]} = sort
274	{ $a->[0] cmp $b->[0] }	521	{ $a->[0] cmp $b->[0] }
275	@{$registry->[$event] \|\| []}, $cb;	522	@{$registry->[$event] \|\| []}, $cb;
276	}	523	}
		524
		525	# hack
		526	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
277		527
278	# attach handles attaching event callbacks	528	# attach handles attaching event callbacks
279	# the only thing the caller has to do is pass the correct	529	# the only thing the caller has to do is pass the correct
280	# registry (== where the callback attaches to).	530	# registry (== where the callback attaches to).
281	sub _attach {	531	sub _attach {
…		…
283		533
284	my $object_type;	534	my $object_type;
285	my $prio = 0;	535	my $prio = 0;
286	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;	536	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
287		537
		538	#TODO: get rid of this hack
		539	if ($attachable_klass{$klass}) {
		540	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		541	}
		542
288	while (@arg) {	543	while (@arg) {
289	my $type = shift @arg;	544	my $type = shift @arg;
290		545
291	if ($type eq "prio") {	546	if ($type eq "prio") {
292	$prio = shift @arg;	547	$prio = shift @arg;
…		…
367	my ($obj, $name) = @_;	622	my ($obj, $name) = @_;
368		623
369	exists $obj->{_attachment}{$name}	624	exists $obj->{_attachment}{$name}
370	}	625	}
371		626
372	for my $klass (qw(GLOBAL OBJECT PLAYER CLIENT MAP)) {	627	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
373	eval "#line " . __LINE__ . " 'cf.pm'	628	eval "#line " . __LINE__ . " 'cf.pm'
374	sub cf::\L$klass\E::_attach_registry {	629	sub cf::\L$klass\E::_attach_registry {
375	(\\\@CB_$klass, KLASS_$klass)	630	(\\\@CB_$klass, KLASS_$klass)
376	}	631	}
377		632
…		…
413	}	668	}
414		669
415	0	670	0
416	}	671	}
417		672
418	=item $bool = cf::invoke EVENT_GLOBAL_XXX, ...	673	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)
419		674
420	=item $bool = $object->invoke (EVENT_OBJECT_XXX, ...)
421
422	=item $bool = $player->invoke (EVENT_PLAYER_XXX, ...)
423
424	=item $bool = $client->invoke (EVENT_CLIENT_XXX, ...)	675	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
425		676
426	=item $bool = $map->invoke (EVENT_MAP_XXX, ...)
427
428	Generate a global/object/player/map-specific event with the given arguments.	677	Generate an object-specific event with the given arguments.
429		678
430	This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be	679	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
431	removed in future versions), and there is no public API to access override	680	removed in future versions), and there is no public API to access override
432	results (if you must, access C<@cf::invoke_results> directly).	681	results (if you must, access C<@cf::invoke_results> directly).
433		682
434	=back	683	=back
435		684
436	=cut	685	=cut
437		686
438	#############################################################################	687	#############################################################################
439
440	=head2 METHODS VALID FOR ALL ATTACHABLE OBJECTS
441
442	Attachable objects includes objects, players, clients and maps.
443
444	=over 4
445
446	=item $object->valid
447
448	Just because you have a perl object does not mean that the corresponding
449	C-level object still exists. If you try to access an object that has no
450	valid C counterpart anymore you get an exception at runtime. This method
451	can be used to test for existence of the C object part without causing an
452	exception.
453
454	=back
455
456	=cut
457
458	#############################################################################
459	# object support	688	# object support
460		689
461	sub instantiate {
462	my ($obj, $data) = @_;
463
464	$data = from_json $data;
465
466	for (@$data) {
467	my ($name, $args) = @$_;
468
469	$obj->attach ($name, %{$args \|\| {} });
470	}
471	}
472
473	# basically do the same as instantiate, without calling instantiate
474	sub reattach {	690	sub reattach {
		691	# basically do the same as instantiate, without calling instantiate
475	my ($obj) = @_;	692	my ($obj) = @_;
		693
476	my $registry = $obj->registry;	694	my $registry = $obj->registry;
477		695
478	@$registry = ();	696	@$registry = ();
479		697
480	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };	698	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };
…		…
489	warn "object uses attachment '$name' that is not available, postponing.\n";	707	warn "object uses attachment '$name' that is not available, postponing.\n";
490	}	708	}
491	}	709	}
492	}	710	}
493		711
494	sub object_freezer_save {	712	cf::attachable->attach (
495	my ($filename, $rdata, $objs) = @_;
496
497	if (length $$rdata) {
498	warn sprintf "saving %s (%d,%d)\n",
499	$filename, length $$rdata, scalar @$objs;
500
501	if (open my $fh, ">:raw", "$filename~") {
502	chmod SAVE_MODE, $fh;
503	syswrite $fh, $$rdata;
504	close $fh;
505
506	if (@$objs && open my $fh, ">:raw", "$filename.pst~") {
507	chmod SAVE_MODE, $fh;
508	syswrite $fh, Storable::nfreeze { version => 1, objs => $objs };
509	close $fh;
510	rename "$filename.pst~", "$filename.pst";
511	} else {
512	unlink "$filename.pst";
513	}
514
515	rename "$filename~", $filename;
516	} else {
517	warn "FATAL: $filename~: $!\n";
518	}
519	} else {
520	unlink $filename;
521	unlink "$filename.pst";
522	}
523	}
524
525	sub object_freezer_as_string {
526	my ($rdata, $objs) = @_;
527
528	use Data::Dumper;
529
530	$$rdata . Dumper $objs
531	}
532
533	sub object_thawer_load {
534	my ($filename) = @_;
535
536	local $/;
537
538	my $av;
539
540	#TODO: use sysread etc.
541	if (open my $data, "<:raw:perlio", $filename) {
542	$data = <$data>;
543	if (open my $pst, "<:raw:perlio", "$filename.pst") {
544	$av = eval { (Storable::thaw <$pst>)->{objs} };
545	}
546	return ($data, $av);
547	}
548
549	()
550	}
551
552	cf::object->attach (
553	prio => -1000000,	713	prio => -1000000,
		714	on_instantiate => sub {
		715	my ($obj, $data) = @_;
		716
		717	$data = from_json $data;
		718
		719	for (@$data) {
		720	my ($name, $args) = @$_;
		721
		722	$obj->attach ($name, %{$args \|\| {} });
		723	}
		724	},
		725	on_reattach => \&reattach,
554	on_clone => sub {	726	on_clone => sub {
555	my ($src, $dst) = @_;	727	my ($src, $dst) = @_;
556		728
557	@{$dst->registry} = @{$src->registry};	729	@{$dst->registry} = @{$src->registry};
558		730
…		…
560		732
561	%{$dst->{_attachment}} = %{$src->{_attachment}}	733	%{$dst->{_attachment}} = %{$src->{_attachment}}
562	if exists $src->{_attachment};	734	if exists $src->{_attachment};
563	},	735	},
564	);	736	);
		737
		738	sub object_freezer_save {
		739	my ($filename, $rdata, $objs) = @_;
		740
		741	sync_job {
		742	if (length $$rdata) {
		743	warn sprintf "saving %s (%d,%d)\n",
		744	$filename, length $$rdata, scalar @$objs;
		745
		746	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {
		747	chmod SAVE_MODE, $fh;
		748	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		749	aio_fsync $fh;
		750	close $fh;
		751
		752	if (@$objs) {
		753	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
		754	chmod SAVE_MODE, $fh;
		755	my $data = Storable::nfreeze { version => 1, objs => $objs };
		756	aio_write $fh, 0, (length $data), $data, 0;
		757	aio_fsync $fh;
		758	close $fh;
		759	aio_rename "$filename.pst~", "$filename.pst";
		760	}
		761	} else {
		762	aio_unlink "$filename.pst";
		763	}
		764
		765	aio_rename "$filename~", $filename;
		766	} else {
		767	warn "FATAL: $filename~: $!\n";
		768	}
		769	} else {
		770	aio_unlink $filename;
		771	aio_unlink "$filename.pst";
		772	}
		773	}
		774	}
		775
		776	sub object_freezer_as_string {
		777	my ($rdata, $objs) = @_;
		778
		779	use Data::Dumper;
		780
		781	$$rdata . Dumper $objs
		782	}
		783
		784	sub object_thawer_load {
		785	my ($filename) = @_;
		786
		787	my ($data, $av);
		788
		789	(aio_load $filename, $data) >= 0
		790	or return;
		791
		792	unless (aio_stat "$filename.pst") {
		793	(aio_load "$filename.pst", $av) >= 0
		794	or return;
		795	$av = eval { (Storable::thaw <$av>)->{objs} };
		796	}
		797
		798	return ($data, $av);
		799	}
565		800
566	#############################################################################	801	#############################################################################
567	# command handling &c	802	# command handling &c
568		803
569	=item cf::register_command $name => \&callback($ob,$args);	804	=item cf::register_command $name => \&callback($ob,$args);
…		…
758		993
759	=head2 CORE EXTENSIONS	994	=head2 CORE EXTENSIONS
760		995
761	Functions and methods that extend core crossfire objects.	996	Functions and methods that extend core crossfire objects.
762		997
		998	=head3 cf::player
		999
763	=over 4	1000	=over 4
764		1001
765	=item cf::player::exists $login	1002	=item cf::player::exists $login
766		1003
767	Returns true when the given account exists.	1004	Returns true when the given account exists.
…		…
771	sub cf::player::exists($) {	1008	sub cf::player::exists($) {
772	cf::player::find $_[0]	1009	cf::player::find $_[0]
773	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	1010	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
774	}	1011	}
775		1012
		1013	=item $player->ext_reply ($msgid, $msgtype, %msg)
		1014
		1015	Sends an ext reply to the player.
		1016
		1017	=cut
		1018
		1019	sub cf::player::ext_reply($$$%) {
		1020	my ($self, $id, %msg) = @_;
		1021
		1022	$msg{msgid} = $id;
		1023
		1024	$self->send ("ext " . to_json \%msg);
		1025	}
		1026
		1027	=back
		1028
		1029	=head3 cf::object::player
		1030
		1031	=over 4
		1032
776	=item $player_object->reply ($npc, $msg[, $flags])	1033	=item $player_object->reply ($npc, $msg[, $flags])
777		1034
778	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	1035	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
779	can be C<undef>. Does the right thing when the player is currently in a	1036	can be C<undef>. Does the right thing when the player is currently in a
780	dialogue with the given NPC character.	1037	dialogue with the given NPC character.
781		1038
782	=cut	1039	=cut
783		1040
784	# rough implementation of a future "reply" method that works	1041	# rough implementation of a future "reply" method that works
785	# with dialog boxes.	1042	# with dialog boxes.
		1043	#TODO: the first argument must go, split into a $npc->reply_to ( method
786	sub cf::object::player::reply($$$;$) {	1044	sub cf::object::player::reply($$$;$) {
787	my ($self, $npc, $msg, $flags) = @_;	1045	my ($self, $npc, $msg, $flags) = @_;
788		1046
789	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;	1047	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
790		1048
…		…
794	$msg = $npc->name . " says: $msg" if $npc;	1052	$msg = $npc->name . " says: $msg" if $npc;
795	$self->message ($msg, $flags);	1053	$self->message ($msg, $flags);
796	}	1054	}
797	}	1055	}
798		1056
799	=item $player->ext_reply ($msgid, $msgtype, %msg)
800
801	Sends an ext reply to the player.
802
803	=cut
804
805	sub cf::player::ext_reply($$$%) {
806	my ($self, $id, %msg) = @_;
807
808	$msg{msgid} = $id;
809
810	$self->send ("ext " . to_json \%msg);
811	}
812
813	=item $player_object->may ("access")	1057	=item $player_object->may ("access")
814		1058
815	Returns wether the given player is authorized to access resource "access"	1059	Returns wether the given player is authorized to access resource "access"
816	(e.g. "command_wizcast").	1060	(e.g. "command_wizcast").
817		1061
…		…
824	(ref $cf::CFG{"may_$access"}	1068	(ref $cf::CFG{"may_$access"}
825	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1069	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
826	: $cf::CFG{"may_$access"})	1070	: $cf::CFG{"may_$access"})
827	}	1071	}
828		1072
829	=cut	1073	=head3 cf::client
830		1074
831	#############################################################################	1075	=over 4
		1076
		1077	=item $client->send_drawinfo ($text, $flags)
		1078
		1079	Sends a drawinfo packet to the client. Circumvents output buffering so
		1080	should not be used under normal circumstances.
		1081
		1082	=cut
		1083
		1084	sub cf::client::send_drawinfo {
		1085	my ($self, $text, $flags) = @_;
		1086
		1087	utf8::encode $text;
		1088	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);
		1089	}
		1090
		1091
		1092	=item $success = $client->query ($flags, "text", \&cb)
		1093
		1094	Queues a query to the client, calling the given callback with
		1095	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
		1096	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
		1097
		1098	Queries can fail, so check the return code. Or don't, as queries will become
		1099	reliable at some point in the future.
		1100
		1101	=cut
		1102
		1103	sub cf::client::query {
		1104	my ($self, $flags, $text, $cb) = @_;
		1105
		1106	return unless $self->state == ST_PLAYING
		1107	\|\| $self->state == ST_SETUP
		1108	\|\| $self->state == ST_CUSTOM;
		1109
		1110	$self->state (ST_CUSTOM);
		1111
		1112	utf8::encode $text;
		1113	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
		1114
		1115	$self->send_packet ($self->{query_queue}[0][0])
		1116	if @{ $self->{query_queue} } == 1;
		1117	}
		1118
		1119	cf::client->attach (
		1120	on_reply => sub {
		1121	my ($ns, $msg) = @_;
		1122
		1123	# this weird shuffling is so that direct followup queries
		1124	# get handled first
		1125	my $queue = delete $ns->{query_queue};
		1126
		1127	(shift @$queue)->[1]->($msg);
		1128
		1129	push @{ $ns->{query_queue} }, @$queue;
		1130
		1131	if (@{ $ns->{query_queue} } == @$queue) {
		1132	if (@$queue) {
		1133	$ns->send_packet ($ns->{query_queue}[0][0]);
		1134	} else {
		1135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
		1136	}
		1137	}
		1138	},
		1139	);
		1140
		1141	=item $client->coro (\&cb)
		1142
		1143	Create a new coroutine, running the specified callback. The coroutine will
		1144	be automatically cancelled when the client gets destroyed (e.g. on logout,
		1145	or loss of connection).
		1146
		1147	=cut
		1148
		1149	sub cf::client::coro {
		1150	my ($self, $cb) = @_;
		1151
		1152	my $coro; $coro = async {
		1153	eval {
		1154	$cb->();
		1155	};
		1156	warn $@ if $@;
		1157	};
		1158
		1159	$coro->on_destroy (sub {
		1160	delete $self->{_coro}{$coro+0};
		1161	});
		1162
		1163	$self->{_coro}{$coro+0} = $coro;
		1164
		1165	$coro
		1166	}
		1167
		1168	cf::client->attach (
		1169	on_destroy => sub {
		1170	my ($ns) = @_;
		1171
		1172	$_->cancel for values %{ (delete $ns->{_coro}) \|\| {} };
		1173	},
		1174	);
		1175
		1176	=back
		1177
832		1178
833	=head2 SAFE SCRIPTING	1179	=head2 SAFE SCRIPTING
834		1180
835	Functions that provide a safe environment to compile and execute	1181	Functions that provide a safe environment to compile and execute
836	snippets of perl code without them endangering the safety of the server	1182	snippets of perl code without them endangering the safety of the server
…		…
1056	local $/;	1402	local $/;
1057	*CFG = YAML::Syck::Load <$fh>;	1403	*CFG = YAML::Syck::Load <$fh>;
1058	}	1404	}
1059		1405
1060	sub main {	1406	sub main {
		1407	# we must not ever block the main coroutine
		1408	local $Coro::idle = sub {
		1409	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#
		1410	(Coro::unblock_sub {
		1411	Event::one_event;
		1412	})->();
		1413	};
		1414
1061	cfg_load;	1415	cfg_load;
1062	db_load;	1416	db_load;
1063	load_extensions;	1417	load_extensions;
1064	Event::loop;	1418	Event::loop;
1065	}	1419	}
1066		1420
1067	#############################################################################	1421	#############################################################################
1068	# initialisation	1422	# initialisation
1069		1423
1070	sub _perl_reload(&) {	1424	sub perl_reload() {
1071	my ($msg) = @_;	1425	# can/must only be called in main
		1426	if ($Coro::current != $Coro::main) {
		1427	warn "can only reload from main coroutine\n";
		1428	return;
		1429	}
1072		1430
1073	$msg->("reloading...");	1431	warn "reloading...";
		1432
		1433	local $FREEZE = 1;
		1434	cf::emergency_save;
1074		1435
1075	eval {	1436	eval {
		1437	# if anything goes wrong in here, we should simply crash as we already saved
		1438
1076	# cancel all watchers	1439	# cancel all watchers
1077	for (Event::all_watchers) {	1440	for (Event::all_watchers) {
1078	$_->cancel if $_->data & WF_AUTOCANCEL;	1441	$_->cancel if $_->data & WF_AUTOCANCEL;
1079	}	1442	}
1080		1443
		1444	# cancel all extension coros
		1445	$_->cancel for values %EXT_CORO;
		1446	%EXT_CORO = ();
		1447
1081	# unload all extensions	1448	# unload all extensions
1082	for (@exts) {	1449	for (@exts) {
1083	$msg->("unloading <$_>");	1450	warn "unloading <$_>";
1084	unload_extension $_;	1451	unload_extension $_;
1085	}	1452	}
1086		1453
1087	# unload all modules loaded from $LIBDIR	1454	# unload all modules loaded from $LIBDIR
1088	while (my ($k, $v) = each %INC) {	1455	while (my ($k, $v) = each %INC) {
1089	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	1456	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1090		1457
1091	$msg->("removing <$k>");	1458	warn "removing <$k>";
1092	delete $INC{$k};	1459	delete $INC{$k};
1093		1460
1094	$k =~ s/\.pm$//;	1461	$k =~ s/\.pm$//;
1095	$k =~ s/\//::/g;	1462	$k =~ s/\//::/g;
1096		1463
…		…
1101	Symbol::delete_package $k;	1468	Symbol::delete_package $k;
1102	}	1469	}
1103		1470
1104	# sync database to disk	1471	# sync database to disk
1105	cf::db_sync;	1472	cf::db_sync;
		1473	IO::AIO::flush;
1106		1474
1107	# get rid of safe::, as good as possible	1475	# get rid of safe::, as good as possible
1108	Symbol::delete_package "safe::$_"	1476	Symbol::delete_package "safe::$_"
1109	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	1477	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1110		1478
1111	# remove register_script_function callbacks	1479	# remove register_script_function callbacks
1112	# TODO	1480	# TODO
1113		1481
1114	# unload cf.pm "a bit"	1482	# unload cf.pm "a bit"
…		…
1117	# don't, removes xs symbols, too,	1485	# don't, removes xs symbols, too,
1118	# and global variables created in xs	1486	# and global variables created in xs
1119	#Symbol::delete_package __PACKAGE__;	1487	#Symbol::delete_package __PACKAGE__;
1120		1488
1121	# reload cf.pm	1489	# reload cf.pm
1122	$msg->("reloading cf.pm");	1490	warn "reloading cf.pm";
1123	require cf;	1491	require cf;
		1492	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1124		1493
1125	# load config and database again	1494	# load config and database again
1126	cf::cfg_load;	1495	cf::cfg_load;
1127	cf::db_load;	1496	cf::db_load;
1128		1497
1129	# load extensions	1498	# load extensions
1130	$msg->("load extensions");	1499	warn "load extensions";
1131	cf::load_extensions;	1500	cf::load_extensions;
1132		1501
1133	# reattach attachments to objects	1502	# reattach attachments to objects
1134	$msg->("reattach");	1503	warn "reattach";
1135	_global_reattach;	1504	_global_reattach;
1136	};	1505	};
1137	$msg->($@) if $@;
1138		1506
1139	$msg->("reloaded");	1507	if ($@) {
		1508	warn $@;
		1509	warn "error while reloading, exiting.";
		1510	exit 1;
		1511	}
		1512
		1513	warn "reloaded successfully";
1140	};	1514	};
1141		1515
1142	sub perl_reload() {	1516	#############################################################################
1143	_perl_reload {	1517
1144	warn $_[0];	1518	unless ($LINK_MAP) {
1145	print "$_[0]\n";	1519	$LINK_MAP = cf::map::new;
1146	};	1520
		1521	$LINK_MAP->width (41);
		1522	$LINK_MAP->height (41);
		1523	$LINK_MAP->alloc;
		1524	$LINK_MAP->path ("{link}");
		1525	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		1526	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1147	}	1527	}
1148		1528
1149	register "<global>", __PACKAGE__;	1529	register "<global>", __PACKAGE__;
1150		1530
1151	register_command "perl-reload" => sub {	1531	register_command "perl-reload" => sub {
1152	my ($who, $arg) = @_;	1532	my ($who, $arg) = @_;
1153		1533
1154	if ($who->flag (FLAG_WIZ)) {	1534	if ($who->flag (FLAG_WIZ)) {
		1535	$who->message ("start of reload.");
1155	_perl_reload {	1536	perl_reload;
1156	warn $_[0];	1537	$who->message ("end of reload.");
1157	$who->message ($_[0]);
1158	};
1159	}	1538	}
1160	};	1539	};
1161		1540
1162	unshift @INC, $LIBDIR;	1541	unshift @INC, $LIBDIR;
1163		1542
1164	$TICK_WATCHER = Event->timer (	1543	$TICK_WATCHER = Event->timer (
		1544	reentrant => 0,
1165	prio => 0,	1545	prio => 0,
1166	at => $NEXT_TICK \|\| 1,	1546	at => $NEXT_TICK \|\| $TICK,
1167	data => WF_AUTOCANCEL,	1547	data => WF_AUTOCANCEL,
1168	cb => sub {	1548	cb => sub {
		1549	unless ($FREEZE) {
1169	cf::server_tick; # one server iteration	1550	cf::server_tick; # one server iteration
		1551	$RUNTIME += $TICK;
		1552	}
1170		1553
1171	my $NOW = Event::time;
1172	$NEXT_TICK += $TICK;	1554	$NEXT_TICK += $TICK;
1173		1555
1174	# if we are delayed by four ticks or more, skip them all	1556	# if we are delayed by four ticks or more, skip them all
1175	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	1557	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1176		1558
1177	$TICK_WATCHER->at ($NEXT_TICK);	1559	$TICK_WATCHER->at ($NEXT_TICK);
1178	$TICK_WATCHER->start;	1560	$TICK_WATCHER->start;
1179	},	1561	},
1180	);	1562	);
1181		1563
1182	IO::AIO::max_poll_time $TICK * 0.2;	1564	IO::AIO::max_poll_time $TICK * 0.2;
1183		1565
		1566	Event->io (
1184	Event->io (fd => IO::AIO::poll_fileno,	1567	fd => IO::AIO::poll_fileno,
1185	poll => 'r',	1568	poll => 'r',
1186	prio => 5,	1569	prio => 5,
1187	data => WF_AUTOCANCEL,	1570	data => WF_AUTOCANCEL,
1188	cb => \&IO::AIO::poll_cb);	1571	cb => \&IO::AIO::poll_cb,
		1572	);
		1573
		1574	Event->timer (
		1575	data => WF_AUTOCANCEL,
		1576	after => 0,
		1577	interval => 10,
		1578	cb => sub {
		1579	(Coro::unblock_sub {
		1580	write_runtime
		1581	or warn "ERROR: unable to write runtime file: $!";
		1582	})->();
		1583	},
		1584	);
1189		1585
1190	1	1586	1
1191		1587

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.94 by root, Thu Dec 21 23:02:54 2006 UTC vs. Revision 1.108 by root, Sun Dec 31 21:02:05 2006 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.94 by root, Thu Dec 21 23:02:54 2006 UTC vs.
Revision 1.108 by root, Sun Dec 31 21:02:05 2006 UTC