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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 2007 UTC vs.
Revision 1.298 by root, Sun Jul 8 14:50:07 2007 UTC

… …
20use Coro::Signal; 20use Coro::Signal;
21use Coro::Semaphore; 21use Coro::Semaphore;
22use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable; 23use Coro::Storable;
24 24
25use JSON::XS 1.4 ();
25use BDB (); 26use BDB ();
26use Data::Dumper; 27use Data::Dumper;
27use Digest::MD5; 28use Digest::MD5;
28use Fcntl; 29use Fcntl;
29use YAML::Syck (); 30use YAML::Syck ();
… …
49our %COMMAND = (); 50our %COMMAND = ();
50our %COMMAND_TIME = (); 51our %COMMAND_TIME = ();
51 52
52our @EXTS = (); # list of extension package names 53our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 54our %EXTCMD = ();
55our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 56our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 57our %EXT_MAP = (); # pluggable maps
56 58
57our $RELOAD; # number of reloads so far 59our $RELOAD; # number of reloads so far
58our @EVENT; 60our @EVENT;
… …
236 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 238 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237 $d 239 $d
238 } || "[unable to dump $_[0]: '$@']"; 240 } || "[unable to dump $_[0]: '$@']";
239} 241}
240 242
241use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243=item $ref = cf::from_json $json 243=item $ref = cf::from_json $json
244 244
245Converts a JSON string into the corresponding perl data structure. 245Converts a JSON string into the corresponding perl data structure.
246 246
247=item $json = cf::to_json $ref 247=item $json = cf::to_json $ref
248 248
249Converts a perl data structure into its JSON representation. 249Converts a perl data structure into its JSON representation.
250
251=cut
252
253our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254
255sub to_json ($) { $json_coder->encode ($_[0]) }
256sub from_json ($) { $json_coder->decode ($_[0]) }
250 257
251=item cf::lock_wait $string 258=item cf::lock_wait $string
252 259
253Wait until the given lock is available. See cf::lock_acquire. 260Wait until the given lock is available. See cf::lock_acquire.
254 261
… …
414 421
415 if (my $pid = fork) { 422 if (my $pid = fork) {
416 close $fh2; 423 close $fh2;
417 424
418 my $res = (Coro::Handle::unblock $fh1)->readline (undef); 425 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426 warn "pst<$res>" unless $res =~ /^pst/;
419 $res = Coro::Storable::thaw $res; 427 $res = Coro::Storable::thaw $res;
420 428
421 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave 429 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
422 430
423 die $$res unless "ARRAY" eq ref $res; 431 Carp::confess $$res unless "ARRAY" eq ref $res;
424 432
425 return wantarray ? @$res : $res->[-1]; 433 return wantarray ? @$res : $res->[-1];
426 } else { 434 } else {
427 reset_signals; 435 reset_signals;
428 local $SIG{__WARN__}; 436 local $SIG{__WARN__};
429 local $SIG{__DIE__}; 437 local $SIG{__DIE__};
438 local $Coro::idle;
439 $Coro::current->prio (Coro::PRIO_MAX);
430 eval { 440 eval {
431 close $fh1; 441 close $fh1;
432 442
433 my @res = eval { $cb->(@args) }; 443 my @res = eval { $cb->(@args) };
434 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res); 444
445 open my $fh, ">", \my $buf
446 or die "fork_call: cannot open fh-to-buf in child : $!";
447 Storable::store_fd +($@ ? \"$@" : \@res), $fh;
448 close $fh;
449
450 warn "writing ", length $buf;
451 my $x;
452 (length $buf) == ($x = syswrite $fh2, $buf)
453 or warn "error writing ".(length $buf)." != $x\n";
454 close $fh2;
435 }; 455 };
436 456
437 warn $@ if $@; 457 warn $@ if $@;
438 _exit 0; 458 _exit 0;
439 } 459 }
… …
1029 push @{ $COMMAND{$name} }, [$caller, $cb]; 1049 push @{ $COMMAND{$name} }, [$caller, $cb];
1030} 1050}
1031 1051
1032=item cf::register_extcmd $name => \&callback($pl,$packet); 1052=item cf::register_extcmd $name => \&callback($pl,$packet);
1033 1053
1034Register a callback fro execution when the client sends an extcmd packet. 1054Register a callback for execution when the client sends an (synchronous)
1055extcmd packet. Ext commands will be processed in the order they are
1056received by the server, like other user commands. The first argument is
1057the logged-in player. Ext commands can only be processed after a player
1058has logged in successfully.
1035 1059
1036If the callback returns something, it is sent back as if reply was being 1060If the callback returns something, it is sent back as if reply was being
1037called. 1061called.
1038 1062
1063=item cf::register_exticmd $name => \&callback($ns,$packet);
1064
1065Register a callback for execution when the client sends an (asynchronous)
1066exticmd packet. Exti commands are processed by the server as soon as they
1067are received, i.e. out of order w.r.t. other commands. The first argument
1068is a client socket. Exti commands can be received anytime, even before
1069log-in.
1070
1071If the callback returns something, it is sent back as if reply was being
1072called.
1073
1039=cut 1074=cut
1040 1075
1041sub register_extcmd { 1076sub register_extcmd {
1042 my ($name, $cb) = @_; 1077 my ($name, $cb) = @_;
1043 1078
1044 $EXTCMD{$name} = $cb; 1079 $EXTCMD{$name} = $cb;
1080}
1081
1082sub register_exticmd {
1083 my ($name, $cb) = @_;
1084
1085 $EXTICMD{$name} = $cb;
1045} 1086}
1046 1087
1047cf::player->attach ( 1088cf::player->attach (
1048 on_command => sub { 1089 on_command => sub {
1049 my ($pl, $name, $params) = @_; 1090 my ($pl, $name, $params) = @_;
… …
1058 cf::override; 1099 cf::override;
1059 }, 1100 },
1060 on_extcmd => sub { 1101 on_extcmd => sub {
1061 my ($pl, $buf) = @_; 1102 my ($pl, $buf) = @_;
1062 1103
1063 my $msg = eval { from_json $buf }; 1104 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064 1105
1065 if (ref $msg) { 1106 if (ref $msg) {
1066 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1107 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
1067 if (my %reply = $cb->($pl, $msg)) { 1108 if (my %reply = $cb->($pl, $msg)) {
1068 $pl->ext_reply ($msg->{msgid}, %reply); 1109 $pl->ext_reply ($msg->{msgid}, %reply);
… …
1347 } 1388 }
1348 1389
1349 \@paths 1390 \@paths
1350} 1391}
1351 1392
1393=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1394
1395Expand crossfire pod fragments into protocol xml.
1396
1397=cut
1398
1399sub expand_cfpod {
1400 ((my $self), (local $_)) = @_;
1401
1402 # escape & and <
1403 s/&/&amp;/g;
1404 s/(?<![BIUGH])</&lt;/g;
1405
1406 # this is buggy, it needs to properly take care of nested <'s
1407
1408 1 while
1409 # replace B<>, I<>, U<> etc.
1410 s/B<([^\>]*)>/<b>$1<\/b>/
1411 || s/I<([^\>]*)>/<i>$1<\/i>/
1412 || s/U<([^\>]*)>/<u>$1<\/u>/
1413 # replace G<male|female> tags
1414 || s{G<([^>|]*)\|([^>]*)>}{
1415 $self->gender ? $2 : $1
1416 }ge
1417 # replace H<hint text>
1418 || s{H<([^\>]*)>}
1419 {
1420 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1421 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1422 "")
1423 [$self->{hintmode}]
1424 }ge;
1425
1426 # create single paragraphs (very hackish)
1427 s/(?<=\S)\n(?=\w)/ /g;
1428
1429 # compress some whitespace
1430 s/\s+\n/\n/g; # ws line-ends
1431 s/\n\n+/\n/g; # double lines
1432 s/^\n+//; # beginning lines
1433 s/\n+$//; # ending lines
1434
1435 $_
1436}
1437
1438sub hintmode {
1439 $_[0]{hintmode} = $_[1] if @_ > 1;
1440 $_[0]{hintmode}
1441}
1442
1352=item $player->ext_reply ($msgid, %msg) 1443=item $player->ext_reply ($msgid, %msg)
1353 1444
1354Sends an ext reply to the player. 1445Sends an ext reply to the player.
1355 1446
1356=cut 1447=cut
1357 1448
1358sub ext_reply($$%) { 1449sub ext_reply($$%) {
1359 my ($self, $id, %msg) = @_; 1450 my ($self, $id, %msg) = @_;
1360 1451
1361 $msg{msgid} = $id; 1452 $msg{msgid} = $id;
1362 1453 $self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1363 $self->send ("ext " . cf::to_json \%msg);
1364} 1454}
1365 1455
1366=item $player->ext_event ($type, %msg) 1456=item $player->ext_event ($type, %msg)
1367 1457
1368Sends an ext event to the client. 1458Sends an ext event to the client.
… …
2052 my $pl = $self->contr; 2142 my $pl = $self->contr;
2053 2143
2054 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) { 2144 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055 my $diag = $pl->{npc_dialog}; 2145 my $diag = $pl->{npc_dialog};
2056 $diag->{pl}->ext_reply ( 2146 $diag->{pl}->ext_reply (
2057 $diag->{id}, msgtype => "reply", msg => $msg, add_topics => [] 2147 $diag->{id},
2148 msgtype => "reply",
2149 msg => $diag->{pl}->expand_cfpod ($msg),
2150 add_topics => []
2058 ); 2151 );
2059 2152
2060 } else { 2153 } else {
2061 $msg = $npc->name . " says: $msg" if $npc; 2154 $msg = $npc->name . " says: $msg" if $npc;
2062 $self->message ($msg, $flags); 2155 $self->message ($msg, $flags);
… …
2277 my $hp = $exit->stats->hp; 2370 my $hp = $exit->stats->hp;
2278 my $sp = $exit->stats->sp; 2371 my $sp = $exit->stats->sp;
2279 2372
2280 $self->enter_link; 2373 $self->enter_link;
2281 2374
2375 # if exit is damned, update players death & WoR home-position
2376 $self->contr->savebed ($slaying, $hp, $sp)
2377 if $exit->flag (FLAG_DAMNED);
2378
2282 (async { 2379 (async {
2283 $self->deactivate_recursive; # just to be sure 2380 $self->deactivate_recursive; # just to be sure
2284 unless (eval { 2381 unless (eval {
2285 $self->goto ($slaying, $hp, $sp); 2382 $self->goto ($slaying, $hp, $sp);
2286 2383
… …
2313 2410
2314 utf8::encode $text; 2411 utf8::encode $text;
2315 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2412 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2316} 2413}
2317 2414
2415=item $client->send_msg ($color, $type, $msg, [extra...])
2416
2417Send a drawinfo or msg packet to the client, formatting the msg for the
2418client if neccessary. C<$type> should be a string identifying the type of
2419the message, with C<log> being the default. If C<$color> is negative, suppress
2420the message unless the client supports the msg packet.
2421
2422=cut
2423
2424sub cf::client::send_msg {
2425 my ($self, $color, $type, $msg, @extra) = @_;
2426
2427 $msg = $self->pl->expand_cfpod ($msg);
2428
2429 return unless @extra || length $msg;
2430
2431 if ($self->can_msg) {
2432 $self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2433 } else {
2434 # replace some tags by gcfclient-compatible ones
2435 for ($msg) {
2436 1 while
2437 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2438 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2439 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2440 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2441 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2442 }
2443
2444 if ($color >= 0) {
2445 if (0 && $msg =~ /\[/) {
2446 $self->send_packet ("drawextinfo $color 4 0 $msg")
2447 } else {
2448 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2449 $self->send_packet ("drawinfo $color $msg")
2450 }
2451 }
2452 }
2453}
2454
2318=item $client->ext_event ($type, %msg) 2455=item $client->ext_event ($type, %msg)
2319 2456
2320Sends an exti event to the client. 2457Sends an ext event to the client.
2321 2458
2322=cut 2459=cut
2323 2460
2324sub cf::client::ext_event($$%) { 2461sub cf::client::ext_event($$%) {
2325 my ($self, $type, %msg) = @_; 2462 my ($self, $type, %msg) = @_;
2326 2463
2327 $msg{msgtype} = "event_$type"; 2464 $msg{msgtype} = "event_$type";
2328 $self->send_packet ("ext " . cf::to_json \%msg); 2465 $self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2329} 2466}
2330 2467
2331=item $success = $client->query ($flags, "text", \&cb) 2468=item $success = $client->query ($flags, "text", \&cb)
2332 2469
2333Queues a query to the client, calling the given callback with 2470Queues a query to the client, calling the given callback with
2334the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2471the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2472C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336 2473
2337Queries can fail, so check the return code. Or don't, as queries will become 2474Queries can fail, so check the return code. Or don't, as queries will
2338reliable at some point in the future. 2475become reliable at some point in the future.
2339 2476
2340=cut 2477=cut
2341 2478
2342sub cf::client::query { 2479sub cf::client::query {
2343 my ($self, $flags, $text, $cb) = @_; 2480 my ($self, $flags, $text, $cb) = @_;
… …
2351 utf8::encode $text; 2488 utf8::encode $text;
2352 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2489 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353 2490
2354 $self->send_packet ($self->{query_queue}[0][0]) 2491 $self->send_packet ($self->{query_queue}[0][0])
2355 if @{ $self->{query_queue} } == 1; 2492 if @{ $self->{query_queue} } == 1;
2493
2494 1
2356} 2495}
2357 2496
2358cf::client->attach ( 2497cf::client->attach (
2498 on_connect => sub {
2499 my ($ns) = @_;
2500
2501 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2502 },
2359 on_reply => sub { 2503 on_reply => sub {
2360 my ($ns, $msg) = @_; 2504 my ($ns, $msg) = @_;
2361 2505
2362 # this weird shuffling is so that direct followup queries 2506 # this weird shuffling is so that direct followup queries
2363 # get handled first 2507 # get handled first
… …
2375 } else { 2519 } else {
2376 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2520 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377 } 2521 }
2378 } 2522 }
2379 }, 2523 },
2524 on_exticmd => sub {
2525 my ($ns, $buf) = @_;
2526
2527 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2528
2529 if (ref $msg) {
2530 if (my $cb = $EXTICMD{$msg->{msgtype}}) {
2531 if (my %reply = $cb->($ns, $msg)) {
2532 $reply{msgid} = $msg->{msgid};
2533 $ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2534 }
2535 }
2536 } else {
2537 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2538 }
2539
2540 cf::override;
2541 },
2380); 2542);
2381 2543
2382=item $client->async (\&cb) 2544=item $client->async (\&cb)
2383 2545
2384Create a new coroutine, running the specified callback. The coroutine will 2546Create a new coroutine, running the specified callback. The coroutine will
… …
2433 2595
2434=pod 2596=pod
2435 2597
2436The following functions and methods are available within a safe environment: 2598The following functions and methods are available within a safe environment:
2437 2599
2438 cf::object contr pay_amount pay_player map 2600 cf::object
2601 contr pay_amount pay_player map x y force_find force_add
2602 insert remove
2603
2439 cf::object::player player 2604 cf::object::player
2440 cf::player peaceful 2605 player
2441 cf::map trigger 2606
2607 cf::player
2608 peaceful
2609
2610 cf::map
2611 trigger
2442 2612
2443=cut 2613=cut
2444 2614
2445for ( 2615for (
2446 ["cf::object" => qw(contr pay_amount pay_player map)], 2616 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2617 insert remove)],
2447 ["cf::object::player" => qw(player)], 2618 ["cf::object::player" => qw(player)],
2448 ["cf::player" => qw(peaceful)], 2619 ["cf::player" => qw(peaceful)],
2449 ["cf::map" => qw(trigger)], 2620 ["cf::map" => qw(trigger)],
2450) { 2621) {
2451 no strict 'refs'; 2622 no strict 'refs';
… …
2587 load_facedata "$DATADIR/facedata" 2758 load_facedata "$DATADIR/facedata"
2588 or die "unable to load facedata\n"; 2759 or die "unable to load facedata\n";
2589} 2760}
2590 2761
2591sub reload_archetypes { 2762sub reload_archetypes {
2763 load_resource_file "$DATADIR/archetypes"
2764 or die "unable to load archetypes\n";
2765 #d# NEED to laod twice to resolve forward references
2766 # this really needs to be done in an extra post-pass
2767 # (which needs to be synchronous, so solve it differently)
2592 load_resource_file "$DATADIR/archetypes" 2768 load_resource_file "$DATADIR/archetypes"
2593 or die "unable to load archetypes\n"; 2769 or die "unable to load archetypes\n";
2594} 2770}
2595 2771
2596sub reload_treasures { 2772sub reload_treasures {
… …
2790 %EXT_CORO = (); 2966 %EXT_CORO = ();
2791 2967
2792 warn "removing commands"; 2968 warn "removing commands";
2793 %COMMAND = (); 2969 %COMMAND = ();
2794 2970
2795 warn "removing ext commands"; 2971 warn "removing ext/exti commands";
2796 %EXTCMD = (); 2972 %EXTCMD = ();
2973 %EXTICMD = ();
2797 2974
2798 warn "unloading/nuking all extensions"; 2975 warn "unloading/nuking all extensions";
2799 for my $pkg (@EXTS) { 2976 for my $pkg (@EXTS) {
2800 warn "... unloading $pkg"; 2977 warn "... unloading $pkg";
2801 2978

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