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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.331 by root, Mon Aug 13 13:10:01 2007 UTC vs.
Revision 1.334 by root, Mon Aug 20 22:09:04 2007 UTC

10use Event; 10use Event;
11use Opcode; 11use Opcode;
12use Safe; 12use Safe;
13use Safe::Hole; 13use Safe::Hole;
14 14
15use Coro 3.61 (); 15use Coro 3.64 ();
16use Coro::State; 16use Coro::State;
17use Coro::Handle; 17use Coro::Handle;
18use Coro::Event; 18use Coro::Event;
19use Coro::Timer; 19use Coro::Timer;
20use Coro::Signal; 20use Coro::Signal;
21use Coro::Semaphore; 21use Coro::Semaphore;
22use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable; 23use Coro::Storable;
24use Coro::Util ();
24 25
25use JSON::XS 1.4 (); 26use JSON::XS 1.4 ();
26use BDB (); 27use BDB ();
27use Data::Dumper; 28use Data::Dumper;
28use Digest::MD5; 29use Digest::MD5;
472Coro::Storable. May, of course, block. Note that the executed sub may 473Coro::Storable. May, of course, block. Note that the executed sub may
473never block itself or use any form of Event handling. 474never block itself or use any form of Event handling.
474 475
475=cut 476=cut
476 477
477sub _store_scalar {
478 open my $fh, ">", \my $buf
479 or die "fork_call: cannot open fh-to-buf in child : $!";
480 Storable::store_fd $_[0], $fh;
481 close $fh;
482
483 $buf
484}
485
486sub fork_call(&@) { 478sub fork_call(&@) {
487 my ($cb, @args) = @_; 479 my ($cb, @args) = @_;
488 480
489# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC 481 # we seemingly have to make a local copy of the whole thing,
490# or die "socketpair: $!"; 482 # otherwise perl prematurely frees the stuff :/
491 pipe my $fh1, my $fh2 483 # TODO: investigate and fix (liekly this will be rather laborious)
492 or die "pipe: $!";
493 484
494 if (my $pid = fork) { 485 my @res = Coro::Util::fork_eval {
495 close $fh2;
496
497 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498 warn "pst<$res>" unless $res =~ /^pst/;
499 $res = Coro::Storable::thaw $res;
500
501 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503 Carp::confess $$res unless "ARRAY" eq ref $res;
504
505 return wantarray ? @$res : $res->[-1];
506 } else {
507 reset_signals; 486 reset_signals;
508 local $SIG{__WARN__}; 487 &$cb
509 local $SIG{__DIE__}; 488 }, @args;
510 # just in case, this hack effectively disables event
511 # in the child. cleaner and slower would be canceling all watchers,
512 # but this works for the time being.
513 local $Coro::idle;
514 $Coro::current->prio (Coro::PRIO_MAX);
515 489
516 eval { 490 wantarray ? @res : $res[-1]
517 close $fh1;
518
519 my @res = eval { $cb->(@args) };
520
521 syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522 close $fh2;
523 };
524
525 warn $@ if $@;
526 _exit 0;
527 }
528} 491}
529 492
530=item $value = cf::db_get $family => $key 493=item $value = cf::db_get $family => $key
531 494
532Returns a single value from the environment database. 495Returns a single value from the environment database.
1953 1916
1954 $self 1917 $self
1955} 1918}
1956 1919
1957# find and load all maps in the 3x3 area around a map 1920# find and load all maps in the 3x3 area around a map
1958sub load_diag { 1921sub load_neighbours {
1959 my ($map) = @_; 1922 my ($map) = @_;
1960 1923
1961 my @diag; # diagonal neighbours 1924 my @neigh; # diagonal neighbours
1962 1925
1963 for (0 .. 3) { 1926 for (0 .. 3) {
1964 my $neigh = $map->tile_path ($_) 1927 my $neigh = $map->tile_path ($_)
1965 or next; 1928 or next;
1966 $neigh = find $neigh, $map 1929 $neigh = find $neigh, $map
1967 or next; 1930 or next;
1968 $neigh->load; 1931 $neigh->load;
1969 1932
1933 push @neigh,
1970 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 1934 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1971 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 1935 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1972 } 1936 }
1973 1937
1974 for (@diag) { 1938 for (grep defined $_->[0], @neigh) {
1939 my ($path, $origin) = @$_;
1975 my $neigh = find @$_ 1940 my $neigh = find $path, $origin
1976 or next; 1941 or next;
1977 $neigh->load; 1942 $neigh->load;
1978 } 1943 }
1979} 1944}
1980 1945
2349 # use -1 or undef as default coordinates, not 0, 0 2314 # use -1 or undef as default coordinates, not 0, 0
2350 ($x, $y) = ($map->enter_x, $map->enter_y) 2315 ($x, $y) = ($map->enter_x, $map->enter_y)
2351 if $x <=0 && $y <= 0; 2316 if $x <=0 && $y <= 0;
2352 2317
2353 $map->load; 2318 $map->load;
2354 $map->load_diag; 2319 $map->load_neighbours;
2355 2320
2356 return unless $self->contr->active; 2321 return unless $self->contr->active;
2357 $self->activate_recursive; 2322 $self->activate_recursive;
2358 2323
2359 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2324 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2846# the server's init and main functions 2811# the server's init and main functions
2847 2812
2848sub load_facedata($) { 2813sub load_facedata($) {
2849 my ($path) = @_; 2814 my ($path) = @_;
2850 2815
2816 my $enc = JSON::XS->new->utf8->canonical;
2817
2851 warn "loading facedata from $path\n"; 2818 warn "loading facedata from $path\n";
2852 2819
2853 my $facedata; 2820 my $facedata;
2854 0 < aio_load $path, $facedata 2821 0 < aio_load $path, $facedata
2855 or die "$path: $!"; 2822 or die "$path: $!";
2856 2823
2857 $facedata = Coro::Storable::thaw $facedata; 2824 $facedata = Coro::Storable::thaw $facedata;
2858 2825
2859 $facedata->{version} == 2 2826 $facedata->{version} == 2
2860 or cf::cleanup "$path: version mismatch, cannot proceed."; 2827 or cf::cleanup "$path: version mismatch, cannot proceed.";
2828
2829 # patch in the exptable
2830 cf::cede_to_tick;
2831 $facedata->{resource}{"res/exp_table"} = {
2832 type => FT_RSRC,
2833 data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),
2834 };
2835 cf::cede_to_tick;
2861 2836
2862 { 2837 {
2863 my $faces = $facedata->{faceinfo}; 2838 my $faces = $facedata->{faceinfo};
2864 2839
2865 while (my ($face, $info) = each %$faces) { 2840 while (my ($face, $info) = each %$faces) {
2866 my $idx = (cf::face::find $face) || cf::face::alloc $face; 2841 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2867 cf::face::set_visibility $idx, $info->{visibility}; 2842 cf::face::set_visibility $idx, $info->{visibility};
2868 cf::face::set_magicmap $idx, $info->{magicmap}; 2843 cf::face::set_magicmap $idx, $info->{magicmap};
2869 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 2844 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2870 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 2845 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2871 2846
2872 cf::cede_to_tick; 2847 cf::cede_to_tick;
2873 } 2848 }
2874 2849
2875 while (my ($face, $info) = each %$faces) { 2850 while (my ($face, $info) = each %$faces) {
2900 2875
2901 { 2876 {
2902 # TODO: for gcfclient pleasure, we should give resources 2877 # TODO: for gcfclient pleasure, we should give resources
2903 # that gcfclient doesn't grok a >10000 face index. 2878 # that gcfclient doesn't grok a >10000 face index.
2904 my $res = $facedata->{resource}; 2879 my $res = $facedata->{resource};
2905 my $enc = JSON::XS->new->utf8->canonical;
2906 2880
2907 my $soundconf = delete $res->{"res/sound.conf"}; 2881 my $soundconf = delete $res->{"res/sound.conf"};
2908 2882
2909 while (my ($name, $info) = each %$res) { 2883 while (my ($name, $info) = each %$res) {
2910 my $meta = $enc->encode ({
2911 name => $name,
2912 %{ $info->{meta} || {} },
2913 });
2914
2915 my $idx = (cf::face::find $name) || cf::face::alloc $name; 2884 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2885 my $data;
2916 2886
2917 if ($info->{type} & 1) { 2887 if ($info->{type} & 1) {
2918 # prepend meta info 2888 # prepend meta info
2919 2889
2890 my $meta = $enc->encode ({
2891 name => $name,
2892 %{ $info->{meta} || {} },
2893 });
2894
2920 my $data = pack "(w/a*)*", $meta, $info->{data}; 2895 $data = pack "(w/a*)*", $meta, $info->{data};
2921 my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2922
2923 cf::face::set_data $idx, 0, $data, $chk;
2924 } else {
2925 cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
2926 } 2896 }
2927 2897
2898 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2928 cf::face::set_type $idx, $info->{type}; 2899 cf::face::set_type $idx, $info->{type};
2929 2900
2930 cf::cede_to_tick; 2901 cf::cede_to_tick;
2931 } 2902 }
2932 2903

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