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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.95 by root, Fri Dec 22 02:04:20 2006 UTC vs.
Revision 1.109 by root, Sun Dec 31 22:23:12 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	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
		287	$self->{random} = cf::from_json $data;
		288	} else {
		289	if ($path =~ s{^~([^/]+)?}{}) {
		290	$self->{user_rel} = 1;
		291
		292	if (defined $1) {
		293	$self->{user} = $1;
		294	} elsif ($base =~ m{^~([^/]+)/}) {
		295	$self->{user} = $1;
		296	} else {
		297	warn "cannot resolve user-relative path without user <$path,$base>\n";
		298	}
		299	} elsif ($path =~ /^\//) {
		300	# already absolute
		301	} else {
		302	$base =~ s{[^/]+/?$}{};
		303	return $class->new ("$base/$path");
		304	}
		305
		306	for ($path) {
		307	redo if s{/\.?/}{/};
		308	redo if s{/[^/]+/\.\./}{/};
		309	}
		310	}
		311
		312	$self->{path} = $path;
		313
		314	$self
		315	}
		316
		317	# the name / primary key / in-game path
		318	sub as_string {
		319	my ($self) = @_;
		320
		321	$self->{user_rel} ? "~$self->{user}$self->{path}"
		322	: $self->{random} ? "?random/$self->{path}"
		323	: $self->{path}
		324	}
		325
		326	# the displayed name, this is a one way mapping
		327	sub visible_name {
		328	my ($self) = @_;
		329
		330	# if (my $rmp = $self->{random}) {
		331	# # todo: be more intelligent about this
		332	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
		333	# } else {
		334	$self->as_string
		335	# }
		336	}
		337
		338	# escape the /'s in the path
		339	sub _escaped_path {
		340	# ∕ is U+2215
		341	(my $path = $_[0]{path}) =~ s/\//∕/g;
		342	$path
		343	}
		344
		345	# the original (read-only) location
		346	sub load_path {
		347	my ($self) = @_;
		348
		349	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		350	}
		351
		352	# the temporary/swap location
		353	sub save_path {
		354	my ($self) = @_;
		355
		356	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
		357	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
		358	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
		359	}
		360
		361	# the unique path, might be eq to save_path
		362	sub uniq_path {
		363	my ($self) = @_;
		364
		365	$self->{user_rel} \|\| $self->{random}
		366	? undef
		367	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
		368	}
		369
		370	# return random map parameters, or undef
		371	sub random_map_params {
		372	my ($self) = @_;
		373
		374	$self->{random}
		375	}
		376
		377	# this is somewhat ugly, but style maps do need special treatment
		378	sub is_style_map {
		379	$_[0]{path} =~ m{^/styles/}
		380	}
		381
		382	package cf;
140		383
141	#############################################################################	384	#############################################################################
142		385
143	=head2 ATTACHABLE OBJECTS	386	=head2 ATTACHABLE OBJECTS
144		387
…		…
249	my ($self, $victim) = @_;	492	my ($self, $victim) = @_;
250	...	493	...
251	}	494	}
252	}	495	}
253		496
		497	=item $attachable->valid
		498
		499	Just because you have a perl object does not mean that the corresponding
		500	C-level object still exists. If you try to access an object that has no
		501	valid C counterpart anymore you get an exception at runtime. This method
		502	can be used to test for existence of the C object part without causing an
		503	exception.
		504
254	=cut	505	=cut
255		506
256	# the following variables are defined in .xs and must not be re-created	507	# the following variables are defined in .xs and must not be re-created
257	our @CB_GLOBAL = (); # registry for all global events	508	our @CB_GLOBAL = (); # registry for all global events
		509	our @CB_ATTACHABLE = (); # registry for all attachables
258	our @CB_OBJECT = (); # all objects (should not be used except in emergency)	510	our @CB_OBJECT = (); # all objects (should not be used except in emergency)
259	our @CB_PLAYER = ();	511	our @CB_PLAYER = ();
260	our @CB_CLIENT = ();	512	our @CB_CLIENT = ();
261	our @CB_TYPE = (); # registry for type (cf-object class) based events	513	our @CB_TYPE = (); # registry for type (cf-object class) based events
262	our @CB_MAP = ();	514	our @CB_MAP = ();
263		515
264	my %attachment;	516	my %attachment;
265		517
266	sub _attach_cb($$$$) {	518	sub _attach_cb($$$$) {
267	my ($registry, $event, $prio, $cb) = @_;	519	my ($registry, $event, $prio, $cb) = @_;
…		…
272		524
273	@{$registry->[$event]} = sort	525	@{$registry->[$event]} = sort
274	{ $a->[0] cmp $b->[0] }	526	{ $a->[0] cmp $b->[0] }
275	@{$registry->[$event] \|\| []}, $cb;	527	@{$registry->[$event] \|\| []}, $cb;
276	}	528	}
		529
		530	# hack
		531	my %attachable_klass = map +($_ => 1), KLASS_OBJECT, KLASS_CLIENT, KLASS_PLAYER, KLASS_MAP;
277		532
278	# attach handles attaching event callbacks	533	# attach handles attaching event callbacks
279	# the only thing the caller has to do is pass the correct	534	# the only thing the caller has to do is pass the correct
280	# registry (== where the callback attaches to).	535	# registry (== where the callback attaches to).
281	sub _attach {	536	sub _attach {
…		…
283		538
284	my $object_type;	539	my $object_type;
285	my $prio = 0;	540	my $prio = 0;
286	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;	541	my %cb_id = map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == $klass, 0 .. $#EVENT;
287		542
		543	#TODO: get rid of this hack
		544	if ($attachable_klass{$klass}) {
		545	%cb_id = (%cb_id, map +("on_" . lc $EVENT[$_][0], $_) , grep $EVENT[$_][1] == KLASS_ATTACHABLE, 0 .. $#EVENT);
		546	}
		547
288	while (@arg) {	548	while (@arg) {
289	my $type = shift @arg;	549	my $type = shift @arg;
290		550
291	if ($type eq "prio") {	551	if ($type eq "prio") {
292	$prio = shift @arg;	552	$prio = shift @arg;
…		…
367	my ($obj, $name) = @_;	627	my ($obj, $name) = @_;
368		628
369	exists $obj->{_attachment}{$name}	629	exists $obj->{_attachment}{$name}
370	}	630	}
371		631
372	for my $klass (qw(GLOBAL OBJECT PLAYER CLIENT MAP)) {	632	for my $klass (qw(ATTACHABLE GLOBAL OBJECT PLAYER CLIENT MAP)) {
373	eval "#line " . __LINE__ . " 'cf.pm'	633	eval "#line " . __LINE__ . " 'cf.pm'
374	sub cf::\L$klass\E::_attach_registry {	634	sub cf::\L$klass\E::_attach_registry {
375	(\\\@CB_$klass, KLASS_$klass)	635	(\\\@CB_$klass, KLASS_$klass)
376	}	636	}
377		637
…		…
413	}	673	}
414		674
415	0	675	0
416	}	676	}
417		677
418	=item $bool = cf::invoke EVENT_GLOBAL_XXX, ...	678	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)
419		679
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, ...)	680	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
425		681
426	=item $bool = $map->invoke (EVENT_MAP_XXX, ...)
427
428	Generate a global/object/player/map-specific event with the given arguments.	682	Generate an object-specific event with the given arguments.
429		683
430	This API is preliminary (most likely, the EVENT_KLASS_xxx prefix will be	684	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	685	removed in future versions), and there is no public API to access override
432	results (if you must, access C<@cf::invoke_results> directly).	686	results (if you must, access C<@cf::invoke_results> directly).
433		687
434	=back	688	=back
435		689
436	=cut	690	=cut
437		691
438	#############################################################################	692	#############################################################################
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	693	# object support
460		694
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 {	695	sub reattach {
		696	# basically do the same as instantiate, without calling instantiate
475	my ($obj) = @_;	697	my ($obj) = @_;
		698
476	my $registry = $obj->registry;	699	my $registry = $obj->registry;
477		700
478	@$registry = ();	701	@$registry = ();
479		702
480	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };	703	delete $obj->{_attachment} unless scalar keys %{ $obj->{_attachment} \|\| {} };
…		…
489	warn "object uses attachment '$name' that is not available, postponing.\n";	712	warn "object uses attachment '$name' that is not available, postponing.\n";
490	}	713	}
491	}	714	}
492	}	715	}
493		716
494	sub object_freezer_save {	717	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	$$rdata . Dumper $objs
531	}
532
533	sub object_thawer_load {
534	my ($filename) = @_;
535
536	local $/;
537
538	my $av;
539
540	#TODO: use sysread etc.
541	if (open my $data, "<:raw:perlio", $filename) {
542	$data = <$data>;
543	if (open my $pst, "<:raw:perlio", "$filename.pst") {
544	$av = eval { (Storable::thaw <$pst>)->{objs} };
545	}
546	return ($data, $av);
547	}
548
549	()
550	}
551
552	cf::object->attach (
553	prio => -1000000,	718	prio => -1000000,
		719	on_instantiate => sub {
		720	my ($obj, $data) = @_;
		721
		722	$data = from_json $data;
		723
		724	for (@$data) {
		725	my ($name, $args) = @$_;
		726
		727	$obj->attach ($name, %{$args \|\| {} });
		728	}
		729	},
		730	on_reattach => \&reattach,
554	on_clone => sub {	731	on_clone => sub {
555	my ($src, $dst) = @_;	732	my ($src, $dst) = @_;
556		733
557	@{$dst->registry} = @{$src->registry};	734	@{$dst->registry} = @{$src->registry};
558		735
…		…
560		737
561	%{$dst->{_attachment}} = %{$src->{_attachment}}	738	%{$dst->{_attachment}} = %{$src->{_attachment}}
562	if exists $src->{_attachment};	739	if exists $src->{_attachment};
563	},	740	},
564	);	741	);
		742
		743	sub object_freezer_save {
		744	my ($filename, $rdata, $objs) = @_;
		745
		746	sync_job {
		747	if (length $$rdata) {
		748	warn sprintf "saving %s (%d,%d)\n",
		749	$filename, length $$rdata, scalar @$objs;
		750
		751	if (my $fh = aio_open "$filename~", O_WRONLY \| O_CREAT, 0600) {
		752	chmod SAVE_MODE, $fh;
		753	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		754	aio_fsync $fh;
		755	close $fh;
		756
		757	if (@$objs) {
		758	if (my $fh = aio_open "$filename.pst~", O_WRONLY \| O_CREAT, 0600) {
		759	chmod SAVE_MODE, $fh;
		760	my $data = Storable::nfreeze { version => 1, objs => $objs };
		761	aio_write $fh, 0, (length $data), $data, 0;
		762	aio_fsync $fh;
		763	close $fh;
		764	aio_rename "$filename.pst~", "$filename.pst";
		765	}
		766	} else {
		767	aio_unlink "$filename.pst";
		768	}
		769
		770	aio_rename "$filename~", $filename;
		771	} else {
		772	warn "FATAL: $filename~: $!\n";
		773	}
		774	} else {
		775	aio_unlink $filename;
		776	aio_unlink "$filename.pst";
		777	}
		778	}
		779	}
		780
		781	sub object_freezer_as_string {
		782	my ($rdata, $objs) = @_;
		783
		784	use Data::Dumper;
		785
		786	$$rdata . Dumper $objs
		787	}
		788
		789	sub object_thawer_load {
		790	my ($filename) = @_;
		791
		792	my ($data, $av);
		793
		794	(aio_load $filename, $data) >= 0
		795	or return;
		796
		797	unless (aio_stat "$filename.pst") {
		798	(aio_load "$filename.pst", $av) >= 0
		799	or return;
		800	$av = eval { (Storable::thaw <$av>)->{objs} };
		801	}
		802
		803	return ($data, $av);
		804	}
565		805
566	#############################################################################	806	#############################################################################
567	# command handling &c	807	# command handling &c
568		808
569	=item cf::register_command $name => \&callback($ob,$args);	809	=item cf::register_command $name => \&callback($ob,$args);
…		…
895		1135
896	if (@{ $ns->{query_queue} } == @$queue) {	1136	if (@{ $ns->{query_queue} } == @$queue) {
897	if (@$queue) {	1137	if (@$queue) {
898	$ns->send_packet ($ns->{query_queue}[0][0]);	1138	$ns->send_packet ($ns->{query_queue}[0][0]);
899	} else {	1139	} else {
900	$ns->state (ST_PLAYING);	1140	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
901	}	1141	}
902	}	1142	}
		1143	},
		1144	);
		1145
		1146	=item $client->coro (\&cb)
		1147
		1148	Create a new coroutine, running the specified callback. The coroutine will
		1149	be automatically cancelled when the client gets destroyed (e.g. on logout,
		1150	or loss of connection).
		1151
		1152	=cut
		1153
		1154	sub cf::client::coro {
		1155	my ($self, $cb) = @_;
		1156
		1157	my $coro; $coro = async {
		1158	eval {
		1159	$cb->();
		1160	};
		1161	warn $@ if $@;
		1162	};
		1163
		1164	$coro->on_destroy (sub {
		1165	delete $self->{_coro}{$coro+0};
		1166	});
		1167
		1168	$self->{_coro}{$coro+0} = $coro;
		1169
		1170	$coro
		1171	}
		1172
		1173	cf::client->attach (
		1174	on_destroy => sub {
		1175	my ($ns) = @_;
		1176
		1177	$_->cancel for values %{ (delete $ns->{_coro}) \|\| {} };
903	},	1178	},
904	);	1179	);
905		1180
906	=back	1181	=back
907		1182
…		…
1132	local $/;	1407	local $/;
1133	*CFG = YAML::Syck::Load <$fh>;	1408	*CFG = YAML::Syck::Load <$fh>;
1134	}	1409	}
1135		1410
1136	sub main {	1411	sub main {
		1412	# we must not ever block the main coroutine
		1413	local $Coro::idle = sub {
		1414	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#
		1415	(Coro::unblock_sub {
		1416	Event::one_event;
		1417	})->();
		1418	};
		1419
1137	cfg_load;	1420	cfg_load;
1138	db_load;	1421	db_load;
1139	load_extensions;	1422	load_extensions;
1140	Event::loop;	1423	Event::loop;
1141	}	1424	}
1142		1425
1143	#############################################################################	1426	#############################################################################
1144	# initialisation	1427	# initialisation
1145		1428
1146	sub _perl_reload(&) {	1429	sub perl_reload() {
1147	my ($msg) = @_;	1430	# can/must only be called in main
		1431	if ($Coro::current != $Coro::main) {
		1432	warn "can only reload from main coroutine\n";
		1433	return;
		1434	}
1148		1435
1149	$msg->("reloading...");	1436	warn "reloading...";
		1437
		1438	local $FREEZE = 1;
		1439	cf::emergency_save;
1150		1440
1151	eval {	1441	eval {
		1442	# if anything goes wrong in here, we should simply crash as we already saved
		1443
1152	# cancel all watchers	1444	# cancel all watchers
1153	for (Event::all_watchers) {	1445	for (Event::all_watchers) {
1154	$_->cancel if $_->data & WF_AUTOCANCEL;	1446	$_->cancel if $_->data & WF_AUTOCANCEL;
1155	}	1447	}
1156		1448
		1449	# cancel all extension coros
		1450	$_->cancel for values %EXT_CORO;
		1451	%EXT_CORO = ();
		1452
1157	# unload all extensions	1453	# unload all extensions
1158	for (@exts) {	1454	for (@exts) {
1159	$msg->("unloading <$_>");	1455	warn "unloading <$_>";
1160	unload_extension $_;	1456	unload_extension $_;
1161	}	1457	}
1162		1458
1163	# unload all modules loaded from $LIBDIR	1459	# unload all modules loaded from $LIBDIR
1164	while (my ($k, $v) = each %INC) {	1460	while (my ($k, $v) = each %INC) {
1165	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	1461	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1166		1462
1167	$msg->("removing <$k>");	1463	warn "removing <$k>";
1168	delete $INC{$k};	1464	delete $INC{$k};
1169		1465
1170	$k =~ s/\.pm$//;	1466	$k =~ s/\.pm$//;
1171	$k =~ s/\//::/g;	1467	$k =~ s/\//::/g;
1172		1468
…		…
1177	Symbol::delete_package $k;	1473	Symbol::delete_package $k;
1178	}	1474	}
1179		1475
1180	# sync database to disk	1476	# sync database to disk
1181	cf::db_sync;	1477	cf::db_sync;
		1478	IO::AIO::flush;
1182		1479
1183	# get rid of safe::, as good as possible	1480	# get rid of safe::, as good as possible
1184	Symbol::delete_package "safe::$_"	1481	Symbol::delete_package "safe::$_"
1185	for qw(cf::object cf::object::player cf::player cf::map cf::party cf::region);	1482	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1186		1483
1187	# remove register_script_function callbacks	1484	# remove register_script_function callbacks
1188	# TODO	1485	# TODO
1189		1486
1190	# unload cf.pm "a bit"	1487	# unload cf.pm "a bit"
…		…
1193	# don't, removes xs symbols, too,	1490	# don't, removes xs symbols, too,
1194	# and global variables created in xs	1491	# and global variables created in xs
1195	#Symbol::delete_package __PACKAGE__;	1492	#Symbol::delete_package __PACKAGE__;
1196		1493
1197	# reload cf.pm	1494	# reload cf.pm
1198	$msg->("reloading cf.pm");	1495	warn "reloading cf.pm";
1199	require cf;	1496	require cf;
		1497	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1200		1498
1201	# load config and database again	1499	# load config and database again
1202	cf::cfg_load;	1500	cf::cfg_load;
1203	cf::db_load;	1501	cf::db_load;
1204		1502
1205	# load extensions	1503	# load extensions
1206	$msg->("load extensions");	1504	warn "load extensions";
1207	cf::load_extensions;	1505	cf::load_extensions;
1208		1506
1209	# reattach attachments to objects	1507	# reattach attachments to objects
1210	$msg->("reattach");	1508	warn "reattach";
1211	_global_reattach;	1509	_global_reattach;
1212	};	1510	};
1213	$msg->($@) if $@;
1214		1511
1215	$msg->("reloaded");	1512	if ($@) {
		1513	warn $@;
		1514	warn "error while reloading, exiting.";
		1515	exit 1;
		1516	}
		1517
		1518	warn "reloaded successfully";
1216	};	1519	};
1217		1520
1218	sub perl_reload() {	1521	#############################################################################
1219	_perl_reload {	1522
1220	warn $_[0];	1523	unless ($LINK_MAP) {
1221	print "$_[0]\n";	1524	$LINK_MAP = cf::map::new;
1222	};	1525
		1526	$LINK_MAP->width (41);
		1527	$LINK_MAP->height (41);
		1528	$LINK_MAP->alloc;
		1529	$LINK_MAP->path ("{link}");
		1530	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
		1531	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1223	}	1532	}
1224		1533
1225	register "<global>", __PACKAGE__;	1534	register "<global>", __PACKAGE__;
1226		1535
1227	register_command "perl-reload" => sub {	1536	register_command "perl-reload" => sub {
1228	my ($who, $arg) = @_;	1537	my ($who, $arg) = @_;
1229		1538
1230	if ($who->flag (FLAG_WIZ)) {	1539	if ($who->flag (FLAG_WIZ)) {
		1540	$who->message ("start of reload.");
1231	_perl_reload {	1541	perl_reload;
1232	warn $_[0];	1542	$who->message ("end of reload.");
1233	$who->message ($_[0]);
1234	};
1235	}	1543	}
1236	};	1544	};
1237		1545
1238	unshift @INC, $LIBDIR;	1546	unshift @INC, $LIBDIR;
1239		1547
1240	$TICK_WATCHER = Event->timer (	1548	$TICK_WATCHER = Event->timer (
		1549	reentrant => 0,
1241	prio => 0,	1550	prio => 0,
1242	at => $NEXT_TICK \|\| 1,	1551	at => $NEXT_TICK \|\| $TICK,
1243	data => WF_AUTOCANCEL,	1552	data => WF_AUTOCANCEL,
1244	cb => sub {	1553	cb => sub {
		1554	unless ($FREEZE) {
1245	cf::server_tick; # one server iteration	1555	cf::server_tick; # one server iteration
		1556	$RUNTIME += $TICK;
		1557	}
1246		1558
1247	my $NOW = Event::time;
1248	$NEXT_TICK += $TICK;	1559	$NEXT_TICK += $TICK;
1249		1560
1250	# if we are delayed by four ticks or more, skip them all	1561	# if we are delayed by four ticks or more, skip them all
1251	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;	1562	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
1252		1563
1253	$TICK_WATCHER->at ($NEXT_TICK);	1564	$TICK_WATCHER->at ($NEXT_TICK);
1254	$TICK_WATCHER->start;	1565	$TICK_WATCHER->start;
1255	},	1566	},
1256	);	1567	);
1257		1568
1258	IO::AIO::max_poll_time $TICK * 0.2;	1569	IO::AIO::max_poll_time $TICK * 0.2;
1259		1570
		1571	Event->io (
1260	Event->io (fd => IO::AIO::poll_fileno,	1572	fd => IO::AIO::poll_fileno,
1261	poll => 'r',	1573	poll => 'r',
1262	prio => 5,	1574	prio => 5,
1263	data => WF_AUTOCANCEL,	1575	data => WF_AUTOCANCEL,
1264	cb => \&IO::AIO::poll_cb);	1576	cb => \&IO::AIO::poll_cb,
		1577	);
		1578
		1579	Event->timer (
		1580	data => WF_AUTOCANCEL,
		1581	after => 0,
		1582	interval => 10,
		1583	cb => sub {
		1584	(Coro::unblock_sub {
		1585	write_runtime
		1586	or warn "ERROR: unable to write runtime file: $!";
		1587	})->();
		1588	},
		1589	);
1265		1590
1266	1	1591	1
1267		1592

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.95 by root, Fri Dec 22 02:04:20 2006 UTC vs. Revision 1.109 by root, Sun Dec 31 22:23:12 2006 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.95 by root, Fri Dec 22 02:04:20 2006 UTC vs.
Revision 1.109 by root, Sun Dec 31 22:23:12 2006 UTC