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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 1.300 by root, Tue Jul 10 06:44:29 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
… …
402Coro::Storable. May, of course, block. Note that the executed sub may 409Coro::Storable. May, of course, block. Note that the executed sub may
403never block itself or use any form of Event handling. 410never block itself or use any form of Event handling.
404 411
405=cut 412=cut
406 413
414sub _store_scalar {
415 open my $fh, ">", \my $buf
416 or die "fork_call: cannot open fh-to-buf in child : $!";
417 Storable::store_fd $_[0], $fh;
418 close $fh;
419
420 $buf
421}
422
407sub fork_call(&@) { 423sub fork_call(&@) {
408 my ($cb, @args) = @_; 424 my ($cb, @args) = @_;
409 425
410# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC 426# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
411# or die "socketpair: $!"; 427# or die "socketpair: $!";
… …
414 430
415 if (my $pid = fork) { 431 if (my $pid = fork) {
416 close $fh2; 432 close $fh2;
417 433
418 my $res = (Coro::Handle::unblock $fh1)->readline (undef); 434 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
435 warn "pst<$res>" unless $res =~ /^pst/;
419 $res = Coro::Storable::thaw $res; 436 $res = Coro::Storable::thaw $res;
420 437
421 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave 438 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
422 439
423 die $$res unless "ARRAY" eq ref $res; 440 Carp::confess $$res unless "ARRAY" eq ref $res;
424 441
425 return wantarray ? @$res : $res->[-1]; 442 return wantarray ? @$res : $res->[-1];
426 } else { 443 } else {
427 reset_signals; 444 reset_signals;
428 local $SIG{__WARN__}; 445 local $SIG{__WARN__};
429 local $SIG{__DIE__}; 446 local $SIG{__DIE__};
447 # just in case, this hack effectively disables event
448 # in the child. cleaner and slower would be canceling all watchers,
449 # but this works for the time being.
450 local $Coro::idle;
451 $Coro::current->prio (Coro::PRIO_MAX);
452
430 eval { 453 eval {
431 close $fh1; 454 close $fh1;
432 455
433 my @res = eval { $cb->(@args) }; 456 my @res = eval { $cb->(@args) };
457
434 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res); 458 syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
459 close $fh2;
435 }; 460 };
436 461
437 warn $@ if $@; 462 warn $@ if $@;
438 _exit 0; 463 _exit 0;
439 } 464 }
… …
1029 push @{ $COMMAND{$name} }, [$caller, $cb]; 1054 push @{ $COMMAND{$name} }, [$caller, $cb];
1030} 1055}
1031 1056
1032=item cf::register_extcmd $name => \&callback($pl,$packet); 1057=item cf::register_extcmd $name => \&callback($pl,$packet);
1033 1058
1034Register a callback fro execution when the client sends an extcmd packet. 1059Register a callback for execution when the client sends an (synchronous)
1060extcmd packet. Ext commands will be processed in the order they are
1061received by the server, like other user commands. The first argument is
1062the logged-in player. Ext commands can only be processed after a player
1063has logged in successfully.
1035 1064
1036If the callback returns something, it is sent back as if reply was being 1065If the callback returns something, it is sent back as if reply was being
1037called. 1066called.
1038 1067
1068=item cf::register_exticmd $name => \&callback($ns,$packet);
1069
1070Register a callback for execution when the client sends an (asynchronous)
1071exticmd packet. Exti commands are processed by the server as soon as they
1072are received, i.e. out of order w.r.t. other commands. The first argument
1073is a client socket. Exti commands can be received anytime, even before
1074log-in.
1075
1076If the callback returns something, it is sent back as if reply was being
1077called.
1078
1039=cut 1079=cut
1040 1080
1041sub register_extcmd { 1081sub register_extcmd {
1042 my ($name, $cb) = @_; 1082 my ($name, $cb) = @_;
1043 1083
1044 $EXTCMD{$name} = $cb; 1084 $EXTCMD{$name} = $cb;
1085}
1086
1087sub register_exticmd {
1088 my ($name, $cb) = @_;
1089
1090 $EXTICMD{$name} = $cb;
1045} 1091}
1046 1092
1047cf::player->attach ( 1093cf::player->attach (
1048 on_command => sub { 1094 on_command => sub {
1049 my ($pl, $name, $params) = @_; 1095 my ($pl, $name, $params) = @_;
… …
1058 cf::override; 1104 cf::override;
1059 }, 1105 },
1060 on_extcmd => sub { 1106 on_extcmd => sub {
1061 my ($pl, $buf) = @_; 1107 my ($pl, $buf) = @_;
1062 1108
1063 my $msg = eval { from_json $buf }; 1109 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064 1110
1065 if (ref $msg) { 1111 if (ref $msg) {
1066 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1112 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
1067 if (my %reply = $cb->($pl, $msg)) { 1113 if (my %reply = $cb->($pl, $msg)) {
1068 $pl->ext_reply ($msg->{msgid}, %reply); 1114 $pl->ext_reply ($msg->{msgid}, %reply);
… …
1347 } 1393 }
1348 1394
1349 \@paths 1395 \@paths
1350} 1396}
1351 1397
1398=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1399
1400Expand crossfire pod fragments into protocol xml.
1401
1402=cut
1403
1404sub expand_cfpod {
1405 ((my $self), (local $_)) = @_;
1406
1407 # escape & and <
1408 s/&/&amp;/g;
1409 s/(?<![BIUGH])</&lt;/g;
1410
1411 # this is buggy, it needs to properly take care of nested <'s
1412
1413 1 while
1414 # replace B<>, I<>, U<> etc.
1415 s/B<([^\>]*)>/<b>$1<\/b>/
1416 || s/I<([^\>]*)>/<i>$1<\/i>/
1417 || s/U<([^\>]*)>/<u>$1<\/u>/
1418 # replace G<male|female> tags
1419 || s{G<([^>|]*)\|([^>]*)>}{
1420 $self->gender ? $2 : $1
1421 }ge
1422 # replace H<hint text>
1423 || s{H<([^\>]*)>}
1424 {
1425 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1426 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1427 "")
1428 [$self->{hintmode}]
1429 }ge;
1430
1431 # create single paragraphs (very hackish)
1432 s/(?<=\S)\n(?=\w)/ /g;
1433
1434 # compress some whitespace
1435 s/\s+\n/\n/g; # ws line-ends
1436 s/\n\n+/\n/g; # double lines
1437 s/^\n+//; # beginning lines
1438 s/\n+$//; # ending lines
1439
1440 warn $_;#d#
1441 $_
1442}
1443
1444sub hintmode {
1445 $_[0]{hintmode} = $_[1] if @_ > 1;
1446 $_[0]{hintmode}
1447}
1448
1352=item $player->ext_reply ($msgid, %msg) 1449=item $player->ext_reply ($msgid, %msg)
1353 1450
1354Sends an ext reply to the player. 1451Sends an ext reply to the player.
1355 1452
1356=cut 1453=cut
1357 1454
1358sub ext_reply($$%) { 1455sub ext_reply($$%) {
1359 my ($self, $id, %msg) = @_; 1456 my ($self, $id, %msg) = @_;
1360 1457
1361 $msg{msgid} = $id; 1458 $msg{msgid} = $id;
1362 1459 $self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1363 $self->send ("ext " . cf::to_json \%msg);
1364} 1460}
1365 1461
1366=item $player->ext_event ($type, %msg) 1462=item $player->ext_event ($type, %msg)
1367 1463
1368Sends an ext event to the client. 1464Sends an ext event to the client.
… …
2052 my $pl = $self->contr; 2148 my $pl = $self->contr;
2053 2149
2054 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) { 2150 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055 my $diag = $pl->{npc_dialog}; 2151 my $diag = $pl->{npc_dialog};
2056 $diag->{pl}->ext_reply ( 2152 $diag->{pl}->ext_reply (
2057 $diag->{id}, msgtype => "reply", msg => $msg, add_topics => [] 2153 $diag->{id},
2154 msgtype => "reply",
2155 msg => $diag->{pl}->expand_cfpod ($msg),
2156 add_topics => []
2058 ); 2157 );
2059 2158
2060 } else { 2159 } else {
2061 $msg = $npc->name . " says: $msg" if $npc; 2160 $msg = $npc->name . " says: $msg" if $npc;
2062 $self->message ($msg, $flags); 2161 $self->message ($msg, $flags);
… …
2277 my $hp = $exit->stats->hp; 2376 my $hp = $exit->stats->hp;
2278 my $sp = $exit->stats->sp; 2377 my $sp = $exit->stats->sp;
2279 2378
2280 $self->enter_link; 2379 $self->enter_link;
2281 2380
2381 # if exit is damned, update players death & WoR home-position
2382 $self->contr->savebed ($slaying, $hp, $sp)
2383 if $exit->flag (FLAG_DAMNED);
2384
2282 (async { 2385 (async {
2283 $self->deactivate_recursive; # just to be sure 2386 $self->deactivate_recursive; # just to be sure
2284 unless (eval { 2387 unless (eval {
2285 $self->goto ($slaying, $hp, $sp); 2388 $self->goto ($slaying, $hp, $sp);
2286 2389
… …
2313 2416
2314 utf8::encode $text; 2417 utf8::encode $text;
2315 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2418 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2316} 2419}
2317 2420
2421=item $client->send_msg ($color, $type, $msg, [extra...])
2422
2423Send a drawinfo or msg packet to the client, formatting the msg for the
2424client if neccessary. C<$type> should be a string identifying the type of
2425the message, with C<log> being the default. If C<$color> is negative, suppress
2426the message unless the client supports the msg packet.
2427
2428=cut
2429
2430sub cf::client::send_msg {
2431 my ($self, $color, $type, $msg, @extra) = @_;
2432
2433 $msg = $self->pl->expand_cfpod ($msg);
2434
2435 return unless @extra || length $msg;
2436
2437 if ($self->can_msg) {
2438 $self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2439 } else {
2440 # replace some tags by gcfclient-compatible ones
2441 for ($msg) {
2442 1 while
2443 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2444 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2445 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2446 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2447 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2448 }
2449
2450 if ($color >= 0) {
2451 if (0 && $msg =~ /\[/) {
2452 $self->send_packet ("drawextinfo $color 4 0 $msg")
2453 } else {
2454 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2455 $self->send_packet ("drawinfo $color $msg")
2456 }
2457 }
2458 }
2459}
2460
2318=item $client->ext_event ($type, %msg) 2461=item $client->ext_event ($type, %msg)
2319 2462
2320Sends an exti event to the client. 2463Sends an ext event to the client.
2321 2464
2322=cut 2465=cut
2323 2466
2324sub cf::client::ext_event($$%) { 2467sub cf::client::ext_event($$%) {
2325 my ($self, $type, %msg) = @_; 2468 my ($self, $type, %msg) = @_;
2326 2469
2327 $msg{msgtype} = "event_$type"; 2470 $msg{msgtype} = "event_$type";
2328 $self->send_packet ("ext " . cf::to_json \%msg); 2471 $self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2329} 2472}
2330 2473
2331=item $success = $client->query ($flags, "text", \&cb) 2474=item $success = $client->query ($flags, "text", \&cb)
2332 2475
2333Queues a query to the client, calling the given callback with 2476Queues a query to the client, calling the given callback with
2334the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2477the 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>. 2478C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336 2479
2337Queries can fail, so check the return code. Or don't, as queries will become 2480Queries can fail, so check the return code. Or don't, as queries will
2338reliable at some point in the future. 2481become reliable at some point in the future.
2339 2482
2340=cut 2483=cut
2341 2484
2342sub cf::client::query { 2485sub cf::client::query {
2343 my ($self, $flags, $text, $cb) = @_; 2486 my ($self, $flags, $text, $cb) = @_;
… …
2351 utf8::encode $text; 2494 utf8::encode $text;
2352 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2495 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353 2496
2354 $self->send_packet ($self->{query_queue}[0][0]) 2497 $self->send_packet ($self->{query_queue}[0][0])
2355 if @{ $self->{query_queue} } == 1; 2498 if @{ $self->{query_queue} } == 1;
2499
2500 1
2356} 2501}
2357 2502
2358cf::client->attach ( 2503cf::client->attach (
2504 on_connect => sub {
2505 my ($ns) = @_;
2506
2507 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2508 },
2359 on_reply => sub { 2509 on_reply => sub {
2360 my ($ns, $msg) = @_; 2510 my ($ns, $msg) = @_;
2361 2511
2362 # this weird shuffling is so that direct followup queries 2512 # this weird shuffling is so that direct followup queries
2363 # get handled first 2513 # get handled first
… …
2375 } else { 2525 } else {
2376 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2526 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377 } 2527 }
2378 } 2528 }
2379 }, 2529 },
2530 on_exticmd => sub {
2531 my ($ns, $buf) = @_;
2532
2533 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2534
2535 if (ref $msg) {
2536 if (my $cb = $EXTICMD{$msg->{msgtype}}) {
2537 if (my %reply = $cb->($ns, $msg)) {
2538 $reply{msgid} = $msg->{msgid};
2539 $ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2540 }
2541 }
2542 } else {
2543 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2544 }
2545
2546 cf::override;
2547 },
2380); 2548);
2381 2549
2382=item $client->async (\&cb) 2550=item $client->async (\&cb)
2383 2551
2384Create a new coroutine, running the specified callback. The coroutine will 2552Create a new coroutine, running the specified callback. The coroutine will
… …
2433 2601
2434=pod 2602=pod
2435 2603
2436The following functions and methods are available within a safe environment: 2604The following functions and methods are available within a safe environment:
2437 2605
2438 cf::object contr pay_amount pay_player map 2606 cf::object
2607 contr pay_amount pay_player map x y force_find force_add
2608 insert remove
2609
2439 cf::object::player player 2610 cf::object::player
2440 cf::player peaceful 2611 player
2441 cf::map trigger 2612
2613 cf::player
2614 peaceful
2615
2616 cf::map
2617 trigger
2442 2618
2443=cut 2619=cut
2444 2620
2445for ( 2621for (
2446 ["cf::object" => qw(contr pay_amount pay_player map)], 2622 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2623 insert remove)],
2447 ["cf::object::player" => qw(player)], 2624 ["cf::object::player" => qw(player)],
2448 ["cf::player" => qw(peaceful)], 2625 ["cf::player" => qw(peaceful)],
2449 ["cf::map" => qw(trigger)], 2626 ["cf::map" => qw(trigger)],
2450) { 2627) {
2451 no strict 'refs'; 2628 no strict 'refs';
… …
2587 load_facedata "$DATADIR/facedata" 2764 load_facedata "$DATADIR/facedata"
2588 or die "unable to load facedata\n"; 2765 or die "unable to load facedata\n";
2589} 2766}
2590 2767
2591sub reload_archetypes { 2768sub reload_archetypes {
2769 load_resource_file "$DATADIR/archetypes"
2770 or die "unable to load archetypes\n";
2771 #d# NEED to laod twice to resolve forward references
2772 # this really needs to be done in an extra post-pass
2773 # (which needs to be synchronous, so solve it differently)
2592 load_resource_file "$DATADIR/archetypes" 2774 load_resource_file "$DATADIR/archetypes"
2593 or die "unable to load archetypes\n"; 2775 or die "unable to load archetypes\n";
2594} 2776}
2595 2777
2596sub reload_treasures { 2778sub reload_treasures {
… …
2790 %EXT_CORO = (); 2972 %EXT_CORO = ();
2791 2973
2792 warn "removing commands"; 2974 warn "removing commands";
2793 %COMMAND = (); 2975 %COMMAND = ();
2794 2976
2795 warn "removing ext commands"; 2977 warn "removing ext/exti commands";
2796 %EXTCMD = (); 2978 %EXTCMD = ();
2979 %EXTICMD = ();
2797 2980
2798 warn "unloading/nuking all extensions"; 2981 warn "unloading/nuking all extensions";
2799 for my $pkg (@EXTS) { 2982 for my $pkg (@EXTS) {
2800 warn "... unloading $pkg"; 2983 warn "... unloading $pkg";
2801 2984

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