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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.234 by root, Thu Apr 5 13:44:31 2007 UTC

4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Storable;
9use Event;
9use Opcode; 10use Opcode;
10use Safe; 11use Safe;
11use Safe::Hole; 12use Safe::Hole;
12 13
13use Coro 3.3 (); 14use Coro 3.52 ();
15use Coro::State;
14use Coro::Event; 16use Coro::Event;
15use Coro::Timer; 17use Coro::Timer;
16use Coro::Signal; 18use Coro::Signal;
17use Coro::Semaphore; 19use Coro::Semaphore;
18use Coro::AIO; 20use Coro::AIO;
19 21
22use BDB ();
20use Data::Dumper; 23use Data::Dumper;
21use Digest::MD5; 24use Digest::MD5;
22use Fcntl; 25use Fcntl;
26use YAML::Syck ();
23use IO::AIO 2.32 (); 27use IO::AIO 2.32 ();
24use YAML::Syck ();
25use Time::HiRes; 28use Time::HiRes;
29use Compress::LZF;
26 30
31# configure various modules to our taste
32#
33Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 36$Event::Eval = 1; # no idea why this is required, but it is
28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 37
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 38# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1; 39$YAML::Syck::ImplicitUnicode = 1;
33 40
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 41$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42
43sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35 44
36our %COMMAND = (); 45our %COMMAND = ();
37our %COMMAND_TIME = (); 46our %COMMAND_TIME = ();
38 47
39our @EXTS = (); # list of extension package names 48our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 49our %EXTCMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 50our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 51our %EXT_MAP = (); # pluggable maps
43 52
53our $RELOAD; # number of reloads so far
44our @EVENT; 54our @EVENT;
45our $LIBDIR = datadir . "/ext"; 55our $LIBDIR = datadir . "/ext";
46 56
47our $TICK = MAX_TIME * 1e-6; 57our $TICK = MAX_TIME * 1e-6;
48our $TICK_WATCHER; 58our $TICK_WATCHER;
59our $AIO_POLL_WATCHER;
60our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49our $NEXT_TICK; 61our $NEXT_TICK;
50our $NOW; 62our $NOW;
63our $USE_FSYNC = 1; # use fsync to write maps - default off
64
65our $BDB_POLL_WATCHER;
66our $DB_ENV;
51 67
52our %CFG; 68our %CFG;
53 69
54our $UPTIME; $UPTIME ||= time; 70our $UPTIME; $UPTIME ||= time;
55our $RUNTIME; 71our $RUNTIME;
56 72
57our %PLAYER; # all users 73our %PLAYER; # all users
58our %MAP; # all maps 74our %MAP; # all maps
59our $LINK_MAP; # the special {link} map, which is always available 75our $LINK_MAP; # the special {link} map, which is always available
60our $RANDOM_MAPS = cf::localdir . "/random"; 76our $RANDOM_MAPS = cf::localdir . "/random";
77our $BDB_ENV_DIR = cf::localdir . "/db";
61 78
62our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 79our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 80our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64 81
65# used to convert map paths into valid unix filenames by replacing / by ∕ 82# used to convert map paths into valid unix filenames by replacing / by ∕
78mkdir cf::localdir; 95mkdir cf::localdir;
79mkdir cf::localdir . "/" . cf::playerdir; 96mkdir cf::localdir . "/" . cf::playerdir;
80mkdir cf::localdir . "/" . cf::tmpdir; 97mkdir cf::localdir . "/" . cf::tmpdir;
81mkdir cf::localdir . "/" . cf::uniquedir; 98mkdir cf::localdir . "/" . cf::uniquedir;
82mkdir $RANDOM_MAPS; 99mkdir $RANDOM_MAPS;
100mkdir $BDB_ENV_DIR;
83 101
84our $EMERGENCY_POSITION; 102our $EMERGENCY_POSITION;
103
104sub cf::map::normalise;
85 105
86############################################################################# 106#############################################################################
87 107
88=head2 GLOBAL VARIABLES 108=head2 GLOBAL VARIABLES
89 109
188 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 208 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189 $d 209 $d
190 } || "[unable to dump $_[0]: '$@']"; 210 } || "[unable to dump $_[0]: '$@']";
191} 211}
192 212
193use JSON::Syck (); # TODO# replace by JSON::PC once working 213use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194 214
195=item $ref = cf::from_json $json 215=item $ref = cf::from_json $json
196 216
197Converts a JSON string into the corresponding perl data structure. 217Converts a JSON string into the corresponding perl data structure.
198 218
199=cut
200
201sub from_json($) {
202 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203 JSON::Syck::Load $_[0]
204}
205
206=item $json = cf::to_json $ref 219=item $json = cf::to_json $ref
207 220
208Converts a perl data structure into its JSON representation. 221Converts a perl data structure into its JSON representation.
209
210=cut
211
212sub to_json($) {
213 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214 JSON::Syck::Dump $_[0]
215}
216 222
217=item cf::lock_wait $string 223=item cf::lock_wait $string
218 224
219Wait until the given lock is available. See cf::lock_acquire. 225Wait until the given lock is available. See cf::lock_acquire.
220 226
257} 263}
258 264
259sub freeze_mainloop { 265sub freeze_mainloop {
260 return unless $TICK_WATCHER->is_active; 266 return unless $TICK_WATCHER->is_active;
261 267
262 my $guard = Coro::guard { $TICK_WATCHER->start }; 268 my $guard = Coro::guard {
269 $TICK_WATCHER->start;
270 };
263 $TICK_WATCHER->stop; 271 $TICK_WATCHER->stop;
264 $guard 272 $guard
265} 273}
266 274
267=item cf::async { BLOCK } 275=item cf::async { BLOCK }
338 346
339 $coro 347 $coro
340} 348}
341 349
342sub write_runtime { 350sub write_runtime {
343 return unless $TICK_WATCHER->is_active; 351 my $guard = cf::lock_acquire "write_runtime";
344 352
345 my $runtime = cf::localdir . "/runtime"; 353 my $runtime = cf::localdir . "/runtime";
346 354
347 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 355 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
348 or return; 356 or return;
349 357
358 my $value = $cf::RUNTIME + 90 + 10;
350 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 359 # 10 is the runtime save interval, for a monotonic clock
360 # 60 allows for the watchdog to kill the server.
361
351 (aio_write $fh, 0, (length $value), $value, 0) <= 0 362 (aio_write $fh, 0, (length $value), $value, 0) <= 0
352 and return; 363 and return;
353 364
365 # always fsync - this file is important
354 aio_fsync $fh 366 aio_fsync $fh
355 and return; 367 and return;
356 368
357 close $fh 369 close $fh
358 or return; 370 or return;
359 371
360 aio_rename "$runtime~", $runtime 372 aio_rename "$runtime~", $runtime
361 and return; 373 and return;
362 374
363 1 375 1
376}
377
378=item cf::datalog type => key => value, ...
379
380Log a datalog packet of the given type with the given key-value pairs.
381
382=cut
383
384sub datalog($@) {
385 my ($type, %kv) = @_;
386 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364} 387}
365 388
366=back 389=back
367 390
368=cut 391=cut
499our @CB_TYPE = (); # registry for type (cf-object class) based events 522our @CB_TYPE = (); # registry for type (cf-object class) based events
500our @CB_MAP = (); 523our @CB_MAP = ();
501 524
502my %attachment; 525my %attachment;
503 526
527sub cf::attachable::thawer_merge {
528 # simply override everything except _meta
529 local $_[0]{_meta};
530 %{$_[0]} = %{$_[1]};
531}
532
504sub _attach_cb($$$$) { 533sub _attach_cb($$$$) {
505 my ($registry, $event, $prio, $cb) = @_; 534 my ($registry, $event, $prio, $cb) = @_;
506 535
507 use sort 'stable'; 536 use sort 'stable';
508 537
679# object support 708# object support
680 709
681sub reattach { 710sub reattach {
682 # basically do the same as instantiate, without calling instantiate 711 # basically do the same as instantiate, without calling instantiate
683 my ($obj) = @_; 712 my ($obj) = @_;
713
714 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684 715
685 my $registry = $obj->registry; 716 my $registry = $obj->registry;
686 717
687 @$registry = (); 718 @$registry = ();
688 719
735 $filename, length $$rdata, scalar @$objs; 766 $filename, length $$rdata, scalar @$objs;
736 767
737 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 768 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738 chmod SAVE_MODE, $fh; 769 chmod SAVE_MODE, $fh;
739 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 770 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740 aio_fsync $fh; 771 aio_fsync $fh if $cf::USE_FSYNC;
741 close $fh; 772 close $fh;
742 773
743 if (@$objs) { 774 if (@$objs) {
744 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 775 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745 chmod SAVE_MODE, $fh; 776 chmod SAVE_MODE, $fh;
746 my $data = Storable::nfreeze { version => 1, objs => $objs }; 777 my $data = Storable::nfreeze { version => 1, objs => $objs };
747 aio_write $fh, 0, (length $data), $data, 0; 778 aio_write $fh, 0, (length $data), $data, 0;
748 aio_fsync $fh; 779 aio_fsync $fh if $cf::USE_FSYNC;
749 close $fh; 780 close $fh;
750 aio_rename "$filename.pst~", "$filename.pst"; 781 aio_rename "$filename.pst~", "$filename.pst";
751 } 782 }
752 } else { 783 } else {
753 aio_unlink "$filename.pst"; 784 aio_unlink "$filename.pst";
900 } or warn "$ext not loaded: $@"; 931 } or warn "$ext not loaded: $@";
901 } 932 }
902} 933}
903 934
904############################################################################# 935#############################################################################
905# load/save/clean perl data associated with a map
906
907*cf::mapsupport::on_clean = sub {
908 my ($map) = @_;
909
910 my $path = $map->tmpname;
911 defined $path or return;
912
913 unlink "$path.pst";
914};
915
916cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918#############################################################################
919 936
920=head2 CORE EXTENSIONS 937=head2 CORE EXTENSIONS
921 938
922Functions and methods that extend core crossfire objects. 939Functions and methods that extend core crossfire objects.
923 940
946} 963}
947 964
948sub path($) { 965sub path($) {
949 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 966 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950 967
951 (playerdir $login) . "/$login.pl" 968 (playerdir $login) . "/playerdata"
952} 969}
953 970
954sub find_active($) { 971sub find_active($) {
955 $cf::PLAYER{$_[0]} 972 $cf::PLAYER{$_[0]}
956 and $cf::PLAYER{$_[0]}->active 973 and $cf::PLAYER{$_[0]}->active
959 976
960sub exists($) { 977sub exists($) {
961 my ($login) = @_; 978 my ($login) = @_;
962 979
963 $cf::PLAYER{$login} 980 $cf::PLAYER{$login}
964 or cf::sync_job { !aio_stat $login } 981 or cf::sync_job { !aio_stat path $login }
965} 982}
966 983
967sub find($) { 984sub find($) {
968 return $cf::PLAYER{$_[0]} || do { 985 return $cf::PLAYER{$_[0]} || do {
969 my $login = $_[0]; 986 my $login = $_[0];
970 987
971 my $guard = cf::lock_acquire "user_find:$login"; 988 my $guard = cf::lock_acquire "user_find:$login";
972 989
973 $cf::PLAYER{$_[0]} || do { 990 $cf::PLAYER{$_[0]} || do {
991 # rename old playerfiles to new ones
992 #TODO: remove when no longer required
993 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995 aio_unlink +(playerdir $login) . "/$login.pl.pst";
996 aio_unlink +(playerdir $login) . "/$login.pl";
997
974 my $pl = load_pl path $login 998 my $pl = load_pl path $login
975 or return; 999 or return;
976 $cf::PLAYER{$login} = $pl 1000 $cf::PLAYER{$login} = $pl
977 } 1001 }
978 } 1002 }
1015 1039
1016=cut 1040=cut
1017 1041
1018sub quit_character { 1042sub quit_character {
1019 my ($pl) = @_; 1043 my ($pl) = @_;
1044
1045 my $name = $pl->ob->name;
1020 1046
1021 $pl->{deny_save} = 1; 1047 $pl->{deny_save} = 1;
1022 $pl->password ("*"); # this should lock out the player until we nuked the dir 1048 $pl->password ("*"); # this should lock out the player until we nuked the dir
1023 1049
1024 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1050 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1029 my $path = playerdir $pl; 1055 my $path = playerdir $pl;
1030 my $temp = "$path~$cf::RUNTIME~deleting~"; 1056 my $temp = "$path~$cf::RUNTIME~deleting~";
1031 aio_rename $path, $temp; 1057 aio_rename $path, $temp;
1032 delete $cf::PLAYER{$pl->ob->name}; 1058 delete $cf::PLAYER{$pl->ob->name};
1033 $pl->destroy; 1059 $pl->destroy;
1060
1061 my $prefix = qr<^~\Q$name\E/>;
1062
1063 # nuke player maps
1064 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1065
1034 IO::AIO::aio_rmtree $temp; 1066 IO::AIO::aio_rmtree $temp;
1067}
1068
1069=item $pl->kick
1070
1071Kicks a player out of the game. This destroys the connection.
1072
1073=cut
1074
1075sub kick {
1076 my ($pl, $kicker) = @_;
1077
1078 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1079 $pl->killer ("kicked");
1080 $pl->ns->destroy;
1035} 1081}
1036 1082
1037=item cf::player::list_logins 1083=item cf::player::list_logins
1038 1084
1039Returns am arrayref of all valid playernames in the system, can take a 1085Returns am arrayref of all valid playernames in the system, can take a
1067=cut 1113=cut
1068 1114
1069sub maps($) { 1115sub maps($) {
1070 my ($pl) = @_; 1116 my ($pl) = @_;
1071 1117
1118 $pl = ref $pl ? $pl->ob->name : $pl;
1119
1072 my $files = aio_readdir playerdir $pl 1120 my $files = aio_readdir playerdir $pl
1073 or return; 1121 or return;
1074 1122
1075 my @paths; 1123 my @paths;
1076 1124
1077 for (@$files) { 1125 for (@$files) {
1078 utf8::decode $_; 1126 utf8::decode $_;
1079 next if /\.(?:pl|pst)$/; 1127 next if /\.(?:pl|pst)$/;
1080 next unless /^$PATH_SEP/o; 1128 next unless /^$PATH_SEP/o;
1081 1129
1082 push @paths, "~" . $pl->ob->name . "/" . $_; 1130 push @paths, cf::map::normalise "~$pl/$_";
1083 } 1131 }
1084 1132
1085 \@paths 1133 \@paths
1086} 1134}
1087 1135
1088=item $player->ext_reply ($msgid, $msgtype, %msg) 1136=item $player->ext_reply ($msgid, %msg)
1089 1137
1090Sends an ext reply to the player. 1138Sends an ext reply to the player.
1091 1139
1092=cut 1140=cut
1093 1141
1094sub ext_reply($$$%) { 1142sub ext_reply($$%) {
1095 my ($self, $id, %msg) = @_; 1143 my ($self, $id, %msg) = @_;
1096 1144
1097 $msg{msgid} = $id; 1145 $msg{msgid} = $id;
1098 1146
1099 $self->send ("ext " . cf::to_json \%msg); 1147 $self->send ("ext " . cf::to_json \%msg);
1148}
1149
1150=item $player->ext_event ($type, %msg)
1151
1152Sends an ext event to the client.
1153
1154=cut
1155
1156sub ext_event($$%) {
1157 my ($self, $type, %msg) = @_;
1158
1159 $self->ns->ext_event ($type, %msg);
1100} 1160}
1101 1161
1102package cf; 1162package cf;
1103 1163
1104=back 1164=back
1114 1174
1115use Fcntl; 1175use Fcntl;
1116use Coro::AIO; 1176use Coro::AIO;
1117 1177
1118use overload 1178use overload
1119 '""' => \&as_string; 1179 '""' => \&as_string,
1180 fallback => 1;
1120 1181
1121our $MAX_RESET = 3600; 1182our $MAX_RESET = 3600;
1122our $DEFAULT_RESET = 3000; 1183our $DEFAULT_RESET = 3000;
1123 1184
1124sub generate_random_map { 1185sub generate_random_map {
1125 my ($self, $rmp) = @_; 1186 my ($self, $rmp) = @_;
1126
1127 # mit "rum" bekleckern, nicht 1187 # mit "rum" bekleckern, nicht
1128 $self->_create_random_map ( 1188 $self->_create_random_map (
1129 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1189 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1190 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1191 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1198 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139 (cf::region::find $rmp->{region}), $rmp->{custom} 1199 (cf::region::find $rmp->{region}), $rmp->{custom}
1140 ) 1200 )
1141} 1201}
1142 1202
1203=item cf::map->register ($regex, $prio)
1204
1205Register a handler for the map path matching the given regex at the
1206givne priority (higher is better, built-in handlers have priority 0, the
1207default).
1208
1209=cut
1210
1143sub register { 1211sub register {
1144 my (undef, $regex) = @_; 1212 my (undef, $regex, $prio) = @_;
1145 my $pkg = caller; 1213 my $pkg = caller;
1146 1214
1147 no strict; 1215 no strict;
1148 push @{"$pkg\::ISA"}, __PACKAGE__; 1216 push @{"$pkg\::ISA"}, __PACKAGE__;
1149 1217
1150 $EXT_MAP{$pkg} = qr<$regex>; 1218 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151} 1219}
1152 1220
1153# also paths starting with '/' 1221# also paths starting with '/'
1154$EXT_MAP{"cf::map"} = qr{^(?=/)}; 1222$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1223
1224sub thawer_merge {
1225 my ($self, $merge) = @_;
1226
1227 # we have to keep some variables in memory intact
1228 local $self->{path};
1229 local $self->{load_path};
1230 local $self->{deny_save};
1231 local $self->{deny_reset};
1232
1233 $self->SUPER::thawer_merge ($merge);
1234}
1155 1235
1156sub normalise { 1236sub normalise {
1157 my ($path, $base) = @_; 1237 my ($path, $base) = @_;
1238
1239 $path = "$path"; # make sure its a string
1240
1241 $path =~ s/\.map$//;
1158 1242
1159 # map plan: 1243 # map plan:
1160 # 1244 #
1161 # /! non-realised random map exit (special hack!) 1245 # /! non-realised random map exit (special hack!)
1162 # {... are special paths that are not being touched 1246 # {... are special paths that are not being touched
1190 1274
1191 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object 1275 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192 1276
1193 $path = normalise $path, $base; 1277 $path = normalise $path, $base;
1194 1278
1195 for my $pkg (keys %EXT_MAP) { 1279 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196 if ($path =~ $EXT_MAP{$pkg}) { 1280 if ($path =~ $EXT_MAP{$pkg}[1]) {
1197 my $self = bless cf::map::new, $pkg; 1281 my $self = bless cf::map::new, $pkg;
1198 $self->{path} = $path; $self->path ($path); 1282 $self->{path} = $path; $self->path ($path);
1199 $self->init; # pass $1 etc. 1283 $self->init; # pass $1 etc.
1200 return $self; 1284 return $self;
1201 } 1285 }
1202 } 1286 }
1203 1287
1204 Carp::carp "unable to resolve path '$path'."; 1288 Carp::carp "unable to resolve path '$path' (base '$base').";
1205 () 1289 ()
1206} 1290}
1207 1291
1208sub init { 1292sub init {
1209 my ($self) = @_; 1293 my ($self) = @_;
1220# the displayed name, this is a one way mapping 1304# the displayed name, this is a one way mapping
1221sub visible_name { 1305sub visible_name {
1222 &as_string 1306 &as_string
1223} 1307}
1224 1308
1225# escape the /'s in the path
1226sub _escaped_path {
1227 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229 $path
1230}
1231
1232# the original (read-only) location 1309# the original (read-only) location
1233sub load_path { 1310sub load_path {
1234 my ($self) = @_; 1311 my ($self) = @_;
1235 1312
1236 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1313 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1237} 1314}
1238 1315
1239# the temporary/swap location 1316# the temporary/swap location
1240sub save_path { 1317sub save_path {
1241 my ($self) = @_; 1318 my ($self) = @_;
1242 1319
1320 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1243 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path 1321 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1244} 1322}
1245 1323
1246# the unique path, undef == no special unique path 1324# the unique path, undef == no special unique path
1247sub uniq_path { 1325sub uniq_path {
1248 my ($self) = @_; 1326 my ($self) = @_;
1249 1327
1328 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1250 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path 1329 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1251} 1330}
1252 1331
1253# and all this just because we cannot iterate over 1332# and all this just because we cannot iterate over
1254# all maps in C++... 1333# all maps in C++...
1255sub change_all_map_light { 1334sub change_all_map_light {
1261 1340
1262sub unlink_save { 1341sub unlink_save {
1263 my ($self) = @_; 1342 my ($self) = @_;
1264 1343
1265 utf8::encode (my $save = $self->save_path); 1344 utf8::encode (my $save = $self->save_path);
1266 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save; 1345 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst"; 1346 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268} 1347}
1269 1348
1270sub load_header_from($) { 1349sub load_header_from($) {
1271 my ($self, $path) = @_; 1350 my ($self, $path) = @_;
1272 1351
1273 utf8::encode $path; 1352 utf8::encode $path;
1274 aio_open $path, O_RDONLY, 0 1353 #aio_open $path, O_RDONLY, 0
1275 or return; 1354 # or return;
1276 1355
1277 $self->_load_header ($path) 1356 $self->_load_header ($path)
1278 or return; 1357 or return;
1279 1358
1280 $self->{load_path} = $path; 1359 $self->{load_path} = $path;
1281 1360
1282 1 1361 1
1283} 1362}
1284 1363
1285sub load_orig { 1364sub load_header_orig {
1286 my ($self) = @_; 1365 my ($self) = @_;
1287 1366
1288 $self->load_header_from ($self->load_path) 1367 $self->load_header_from ($self->load_path)
1289} 1368}
1290 1369
1291sub load_temp { 1370sub load_header_temp {
1292 my ($self) = @_; 1371 my ($self) = @_;
1293 1372
1294 $self->load_header_from ($self->save_path) 1373 $self->load_header_from ($self->save_path)
1374}
1375
1376sub prepare_temp {
1377 my ($self) = @_;
1378
1379 $self->last_access ((delete $self->{last_access})
1380 || $cf::RUNTIME); #d#
1381 # safety
1382 $self->{instantiate_time} = $cf::RUNTIME
1383 if $self->{instantiate_time} > $cf::RUNTIME;
1384}
1385
1386sub prepare_orig {
1387 my ($self) = @_;
1388
1389 $self->{load_original} = 1;
1390 $self->{instantiate_time} = $cf::RUNTIME;
1391 $self->last_access ($cf::RUNTIME);
1392 $self->instantiate;
1295} 1393}
1296 1394
1297sub load_header { 1395sub load_header {
1298 my ($self) = @_; 1396 my ($self) = @_;
1299 1397
1300 if ($self->load_temp) { 1398 if ($self->load_header_temp) {
1301 $self->last_access ((delete $self->{last_access}) 1399 $self->prepare_temp;
1302 || $cf::RUNTIME); #d#
1303 # safety
1304 $self->{instantiate_time} = $cf::RUNTIME
1305 if $self->{instantiate_time} > $cf::RUNTIME;
1306 } else { 1400 } else {
1307 $self->load_orig 1401 $self->load_header_orig
1308 or return; 1402 or return;
1309 1403 $self->prepare_orig;
1310 $self->{load_original} = 1;
1311 $self->{instantiate_time} = $cf::RUNTIME;
1312 $self->last_access ($cf::RUNTIME);
1313 $self->instantiate;
1314 } 1404 }
1315 1405
1316 1 1406 1
1317} 1407}
1318 1408
1332 $map->{last_save} = $cf::RUNTIME; 1422 $map->{last_save} = $cf::RUNTIME;
1333 1423
1334 $map->load_header 1424 $map->load_header
1335 or return; 1425 or return;
1336 1426
1337 if ($map->should_reset) { 1427 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1428 # doing this can freeze the server in a sync job, obviously
1429 #$cf::WAIT_FOR_TICK->wait;
1338 $map->reset; 1430 $map->reset;
1339 undef $guard; 1431 undef $guard;
1340 $map = find $path 1432 return find $path;
1341 or return;
1342 } 1433 }
1343 1434
1344 $cf::MAP{$path} = $map 1435 $cf::MAP{$path} = $map
1345 } 1436 }
1346} 1437}
1438
1439sub pre_load { }
1440sub post_load { }
1347 1441
1348sub load { 1442sub load {
1349 my ($self) = @_; 1443 my ($self) = @_;
1350 1444
1445 local $self->{deny_reset} = 1; # loading can take a long time
1446
1351 my $path = $self->{path}; 1447 my $path = $self->{path};
1352 my $guard = cf::lock_acquire "map_load:$path"; 1448 my $guard = cf::lock_acquire "map_load:$path";
1353 1449
1354 return if $self->in_memory != cf::MAP_SWAPPED; 1450 return if $self->in_memory != cf::MAP_SWAPPED;
1355 1451
1356 $self->in_memory (cf::MAP_LOADING); 1452 $self->in_memory (cf::MAP_LOADING);
1357 1453
1358 $self->alloc; 1454 $self->alloc;
1455
1456 $self->pre_load;
1457
1359 $self->_load_objects ($self->{load_path}, 1) 1458 $self->_load_objects ($self->{load_path}, 1)
1360 or return; 1459 or return;
1361 1460
1362 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1461 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1363 if delete $self->{load_original}; 1462 if delete $self->{load_original};
1385 unless $self->difficulty; 1484 unless $self->difficulty;
1386 Coro::cede; 1485 Coro::cede;
1387 $self->activate; 1486 $self->activate;
1388 } 1487 }
1389 1488
1489 $self->post_load;
1490
1390 $self->in_memory (cf::MAP_IN_MEMORY); 1491 $self->in_memory (cf::MAP_IN_MEMORY);
1391} 1492}
1392 1493
1393sub customise_for { 1494sub customise_for {
1394 my ($self, $ob) = @_; 1495 my ($self, $ob) = @_;
1434 1535
1435 cf::sync_job { $map->load }; 1536 cf::sync_job { $map->load };
1436} 1537}
1437 1538
1438our %MAP_PREFETCH; 1539our %MAP_PREFETCH;
1439our $MAP_PREFETCHER = Coro::async { 1540our $MAP_PREFETCHER = undef;
1440 while () {
1441 for my $path (keys %MAP_PREFETCH) {
1442 my $map = find $path
1443 or next;
1444 $map->load;
1445
1446 delete $MAP_PREFETCH{$path};
1447 }
1448 Coro::schedule;
1449 }
1450};
1451 1541
1452sub find_async { 1542sub find_async {
1453 my ($path, $origin) = @_; 1543 my ($path, $origin) = @_;
1454 1544
1455 $path = normalise $path, $origin && $origin->{path}; 1545 $path = normalise $path, $origin && $origin->{path};
1456 1546
1457 if (my $map = $cf::MAP{$path}) { 1547 if (my $map = $cf::MAP{$path}) {
1458 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1548 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1459 } 1549 }
1460 1550
1461 $MAP_PREFETCH{$path} = 0; 1551 undef $MAP_PREFETCH{$path};
1552 $MAP_PREFETCHER ||= cf::async {
1553 while (%MAP_PREFETCH) {
1554 for my $path (keys %MAP_PREFETCH) {
1555 my $map = find $path
1556 or next;
1557 $map->load;
1558
1559 delete $MAP_PREFETCH{$path};
1560 }
1561 }
1562 undef $MAP_PREFETCHER;
1563 };
1462 $MAP_PREFETCHER->ready; 1564 $MAP_PREFETCHER->prio (6);
1463 1565
1464 () 1566 ()
1465} 1567}
1466 1568
1467sub save { 1569sub save {
1512 1614
1513sub reset_at { 1615sub reset_at {
1514 my ($self) = @_; 1616 my ($self) = @_;
1515 1617
1516 # TODO: safety, remove and allow resettable per-player maps 1618 # TODO: safety, remove and allow resettable per-player maps
1517 return 1e99 if $self->isa ("ext::map_per_player"); 1619 return 1e99 if $self->isa ("ext::map_per_player");#d#
1518 return 1e99 if $self->{deny_reset}; 1620 return 1e99 if $self->{deny_reset};
1519 1621
1520 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1622 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1623 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522 1624
1527 my ($self) = @_; 1629 my ($self) = @_;
1528 1630
1529 $self->reset_at <= $cf::RUNTIME 1631 $self->reset_at <= $cf::RUNTIME
1530} 1632}
1531 1633
1532sub rename {
1533 my ($self, $new_path) = @_;
1534
1535 normalise $new_path;
1536
1537 $self->unlink_save;
1538
1539 delete $cf::MAP{$self->path};
1540 $self->{path} = $new_path; $self->path ($self->{path});
1541 $cf::MAP{$self->path} = $self;
1542
1543 $self->save;
1544}
1545
1546sub reset { 1634sub reset {
1547 my ($self) = @_; 1635 my ($self) = @_;
1548 1636
1549 my $lock = cf::lock_acquire "map_data:" . $self->path; 1637 my $lock = cf::lock_acquire "map_data:$self->{path}";
1550 1638
1551 return if $self->players; 1639 return if $self->players;
1552 return if $self->isa ("ext::map_per_player");#d# 1640 return if $self->isa ("ext::map_per_player");#d#
1553 1641
1554 warn "resetting map ", $self->path;#d# 1642 warn "resetting map ", $self->path;#d#
1555 1643
1644 $self->in_memory (cf::MAP_SWAPPED);
1645
1646 # need to save uniques path
1647 unless ($self->{deny_save}) {
1648 my $uniq = $self->uniq_path; utf8::encode $uniq;
1649
1650 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1651 if $uniq;
1652 }
1653
1556 delete $cf::MAP{$self->path}; 1654 delete $cf::MAP{$self->path};
1655
1656 $self->clear;
1557 1657
1558 $_->clear_links_to ($self) for values %cf::MAP; 1658 $_->clear_links_to ($self) for values %cf::MAP;
1559 1659
1560 $self->unlink_save; 1660 $self->unlink_save;
1561 $self->destroy; 1661 $self->destroy;
1564my $nuke_counter = "aaaa"; 1664my $nuke_counter = "aaaa";
1565 1665
1566sub nuke { 1666sub nuke {
1567 my ($self) = @_; 1667 my ($self) = @_;
1568 1668
1669 delete $cf::MAP{$self->path};
1670
1671 $self->unlink_save;
1672
1673 bless $self, "cf::map";
1674 delete $self->{deny_reset};
1569 $self->{deny_save} = 1; 1675 $self->{deny_save} = 1;
1570 $self->reset_timeout (1); 1676 $self->reset_timeout (1);
1571 $self->rename ("{nuke}/" . ($nuke_counter++)); 1677 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678
1679 $cf::MAP{$self->path} = $self;
1680
1572 $self->reset; # polite request, might not happen 1681 $self->reset; # polite request, might not happen
1573} 1682}
1574 1683
1575=item cf::map::unique_maps 1684=item cf::map::unique_maps
1576 1685
1588 for (@$files) { 1697 for (@$files) {
1589 utf8::decode $_; 1698 utf8::decode $_;
1590 next if /\.pst$/; 1699 next if /\.pst$/;
1591 next unless /^$PATH_SEP/o; 1700 next unless /^$PATH_SEP/o;
1592 1701
1593 push @paths, $_; 1702 push @paths, cf::map::normalise $_;
1594 } 1703 }
1595 1704
1596 \@paths 1705 \@paths
1597} 1706}
1598 1707
1692=cut 1801=cut
1693 1802
1694sub link_map { 1803sub link_map {
1695 unless ($LINK_MAP) { 1804 unless ($LINK_MAP) {
1696 $LINK_MAP = cf::map::find "{link}" 1805 $LINK_MAP = cf::map::find "{link}"
1697 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 1806 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698 $LINK_MAP->load; 1807 $LINK_MAP->load;
1699 } 1808 }
1700 1809
1701 $LINK_MAP 1810 $LINK_MAP
1702} 1811}
1709 return if UNIVERSAL::isa $self->map, "ext::map_link"; 1818 return if UNIVERSAL::isa $self->map, "ext::map_link";
1710 1819
1711 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1820 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712 if $self->map; 1821 if $self->map;
1713 1822
1714 $self->enter_map ($LINK_MAP || link_map, 20, 20); 1823 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1715} 1824}
1716 1825
1717sub cf::object::player::leave_link { 1826sub cf::object::player::leave_link {
1718 my ($self, $map, $x, $y) = @_; 1827 my ($self, $map, $x, $y) = @_;
1719 1828
1741 $map->load; 1850 $map->load;
1742 $map->load_diag; 1851 $map->load_diag;
1743 1852
1744 return unless $self->contr->active; 1853 return unless $self->contr->active;
1745 $self->activate_recursive; 1854 $self->activate_recursive;
1855
1856 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746 $self->enter_map ($map, $x, $y); 1857 $self->enter_map ($map, $x, $y);
1747} 1858}
1748 1859
1749cf::player->attach ( 1860cf::player->attach (
1750 on_logout => sub { 1861 on_logout => sub {
1763 # try to abort aborted map switching on player login :) 1874 # try to abort aborted map switching on player login :)
1764 # should happen only on crashes 1875 # should happen only on crashes
1765 if ($pl->ob->{_link_pos}) { 1876 if ($pl->ob->{_link_pos}) {
1766 $pl->ob->enter_link; 1877 $pl->ob->enter_link;
1767 (async { 1878 (async {
1768 # we need this sleep as the login has a concurrent enter_exit running
1769 # and this sleep increases chances of the player not ending up in scorn
1770 $pl->ob->reply (undef, 1879 $pl->ob->reply (undef,
1771 "There was an internal problem at your last logout, " 1880 "There was an internal problem at your last logout, "
1772 . "the server will try to bring you to your intended destination in a second.", 1881 . "the server will try to bring you to your intended destination in a second.",
1773 cf::NDI_RED); 1882 cf::NDI_RED);
1883 # we need this sleep as the login has a concurrent enter_exit running
1884 # and this sleep increases chances of the player not ending up in scorn
1774 Coro::Timer::sleep 1; 1885 Coro::Timer::sleep 1;
1775 $pl->ob->leave_link; 1886 $pl->ob->leave_link;
1776 })->prio (2); 1887 })->prio (2);
1777 } 1888 }
1778 }, 1889 },
1786 my ($self, $path, $x, $y) = @_; 1897 my ($self, $path, $x, $y) = @_;
1787 1898
1788 $self->enter_link; 1899 $self->enter_link;
1789 1900
1790 (async { 1901 (async {
1902 my $map = eval {
1791 my $map = cf::map::find $path; 1903 my $map = cf::map::find $path;
1792 $map = $map->customise_for ($self) if $map; 1904 $map = $map->customise_for ($self) if $map;
1793 1905 $map
1794# warn "entering ", $map->path, " at ($x, $y)\n" 1906 } or
1795# if $map;
1796
1797 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1907 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1798 1908
1799 $self->leave_link ($map, $x, $y); 1909 $self->leave_link ($map, $x, $y);
1800 })->prio (1); 1910 })->prio (1);
1801} 1911}
1802 1912
1806 1916
1807sub parse_random_map_params { 1917sub parse_random_map_params {
1808 my ($spec) = @_; 1918 my ($spec) = @_;
1809 1919
1810 my $rmp = { # defaults 1920 my $rmp = { # defaults
1811 xsize => 10, 1921 xsize => (cf::rndm 15, 40),
1812 ysize => 10, 1922 ysize => (cf::rndm 15, 40),
1923 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1924 #layout => string,
1813 }; 1925 };
1814 1926
1815 for (split /\n/, $spec) { 1927 for (split /\n/, $spec) {
1816 my ($k, $v) = split /\s+/, $_, 2; 1928 my ($k, $v) = split /\s+/, $_, 2;
1817 1929
1821 $rmp 1933 $rmp
1822} 1934}
1823 1935
1824sub prepare_random_map { 1936sub prepare_random_map {
1825 my ($exit) = @_; 1937 my ($exit) = @_;
1938
1939 my $guard = cf::lock_acquire "exit_prepare:$exit";
1826 1940
1827 # all this does is basically replace the /! path by 1941 # all this does is basically replace the /! path by
1828 # a new random map path (?random/...) with a seed 1942 # a new random map path (?random/...) with a seed
1829 # that depends on the exit object 1943 # that depends on the exit object
1830 1944
1831 my $rmp = parse_random_map_params $exit->msg; 1945 my $rmp = parse_random_map_params $exit->msg;
1832 1946
1833 if ($exit->map) { 1947 if ($exit->map) {
1834 $rmp->{region} = $exit->map->region_name; 1948 $rmp->{region} = $exit->region->name;
1835 $rmp->{origin_map} = $exit->map->path; 1949 $rmp->{origin_map} = $exit->map->path;
1836 $rmp->{origin_x} = $exit->x; 1950 $rmp->{origin_x} = $exit->x;
1837 $rmp->{origin_y} = $exit->y; 1951 $rmp->{origin_y} = $exit->y;
1838 } 1952 }
1839 1953
1840 $rmp->{random_seed} ||= $exit->random_seed; 1954 $rmp->{random_seed} ||= $exit->random_seed;
1841 1955
1842 my $data = cf::to_json $rmp; 1956 my $data = cf::to_json $rmp;
1843 my $md5 = Digest::MD5::md5_hex $data; 1957 my $md5 = Digest::MD5::md5_hex $data;
1958 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1844 1959
1845 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1960 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846 aio_write $fh, 0, (length $data), $data, 0; 1961 aio_write $fh, 0, (length $data), $data, 0;
1962 undef $fh;
1963 aio_rename "$meta~", $meta;
1847 1964
1848 $exit->slaying ("?random/$md5"); 1965 $exit->slaying ("?random/$md5");
1849 $exit->msg (undef); 1966 $exit->msg (undef);
1850 } 1967 }
1851} 1968}
1852 1969
1853sub cf::object::player::enter_exit { 1970sub cf::object::player::enter_exit {
1854 my ($self, $exit) = @_; 1971 my ($self, $exit) = @_;
1855 1972
1856 return unless $self->type == cf::PLAYER; 1973 return unless $self->type == cf::PLAYER;
1974
1975 if ($exit->slaying eq "/!") {
1976 #TODO: this should de-fi-ni-te-ly not be a sync-job
1977 # the problem is that $exit might not survive long enough
1978 # so it needs to be done right now, right here
1979 cf::sync_job { prepare_random_map $exit };
1980 }
1981
1982 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983 my $hp = $exit->stats->hp;
1984 my $sp = $exit->stats->sp;
1857 1985
1858 $self->enter_link; 1986 $self->enter_link;
1859 1987
1860 (async { 1988 (async {
1861 $self->deactivate_recursive; # just to be sure 1989 $self->deactivate_recursive; # just to be sure
1862 unless (eval { 1990 unless (eval {
1863 prepare_random_map $exit 1991 $self->goto ($slaying, $hp, $sp);
1864 if $exit->slaying eq "/!";
1865
1866 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1867 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1868 1992
1869 1; 1993 1;
1870 }) { 1994 }) {
1871 $self->message ("Something went wrong deep within the crossfire server. " 1995 $self->message ("Something went wrong deep within the crossfire server. "
1872 . "I'll try to bring you back to the map you were before. " 1996 . "I'll try to bring you back to the map you were before. "
1873 . "Please report this to the dungeon master!", 1997 . "Please report this to the dungeon master!",
1874 cf::NDI_UNIQUE | cf::NDI_RED); 1998 cf::NDI_UNIQUE | cf::NDI_RED);
1875 1999
1876 warn "ERROR in enter_exit: $@"; 2000 warn "ERROR in enter_exit: $@";
1877 $self->leave_link; 2001 $self->leave_link;
1878 } 2002 }
1879 })->prio (1); 2003 })->prio (1);
1892 2016
1893sub cf::client::send_drawinfo { 2017sub cf::client::send_drawinfo {
1894 my ($self, $text, $flags) = @_; 2018 my ($self, $text, $flags) = @_;
1895 2019
1896 utf8::encode $text; 2020 utf8::encode $text;
1897 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2021 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898} 2022}
1899 2023
2024=item $client->ext_event ($type, %msg)
2025
2026Sends an exti event to the client.
2027
2028=cut
2029
2030sub cf::client::ext_event($$%) {
2031 my ($self, $type, %msg) = @_;
2032
2033 $msg{msgtype} = "event_$type";
2034 $self->send_packet ("ext " . cf::to_json \%msg);
2035}
1900 2036
1901=item $success = $client->query ($flags, "text", \&cb) 2037=item $success = $client->query ($flags, "text", \&cb)
1902 2038
1903Queues a query to the client, calling the given callback with 2039Queues a query to the client, calling the given callback with
1904the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2040the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1933 # get handled first 2069 # get handled first
1934 my $queue = delete $ns->{query_queue} 2070 my $queue = delete $ns->{query_queue}
1935 or return; # be conservative, not sure how that can happen, but we saw a crash here 2071 or return; # be conservative, not sure how that can happen, but we saw a crash here
1936 2072
1937 (shift @$queue)->[1]->($msg); 2073 (shift @$queue)->[1]->($msg);
2074 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938 2075
1939 push @{ $ns->{query_queue} }, @$queue; 2076 push @{ $ns->{query_queue} }, @$queue;
1940 2077
1941 if (@{ $ns->{query_queue} } == @$queue) { 2078 if (@{ $ns->{query_queue} } == @$queue) {
1942 if (@$queue) { 2079 if (@$queue) {
2000 2137
2001# here we export the classes and methods available to script code 2138# here we export the classes and methods available to script code
2002 2139
2003=pod 2140=pod
2004 2141
2005The following fucntions and emthods are available within a safe environment: 2142The following functions and methods are available within a safe environment:
2006 2143
2007 cf::object contr pay_amount pay_player map 2144 cf::object contr pay_amount pay_player map
2008 cf::object::player player 2145 cf::object::player player
2009 cf::player peaceful 2146 cf::player peaceful
2010 cf::map trigger 2147 cf::map trigger
2103The parameter C<$family> should best start with the name of the extension 2240The parameter C<$family> should best start with the name of the extension
2104using it, it should be unique. 2241using it, it should be unique.
2105 2242
2106=over 4 2243=over 4
2107 2244
2108=item $hashref = cf::db_get $family
2109
2110Return a hashref for use by the extension C<$family>, which can be
2111modified. After modifications, you have to call C<cf::db_dirty> or
2112C<cf::db_sync>.
2113
2114=item $value = cf::db_get $family => $key 2245=item $value = cf::db_get $family => $key
2115 2246
2116Returns a single value from the database 2247Returns a single value from the database.
2117
2118=item cf::db_put $family => $hashref
2119
2120Stores the given family hashref into the database. Updates are delayed, if
2121you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122 2248
2123=item cf::db_put $family => $key => $value 2249=item cf::db_put $family => $key => $value
2124 2250
2125Stores the given C<$value> in the family hash. Updates are delayed, if you 2251Stores the given C<$value> in the family.
2126want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128=item cf::db_dirty
2129
2130Marks the database as dirty, to be updated at a later time.
2131
2132=item cf::db_sync
2133
2134Immediately write the database to disk I<if it is dirty>.
2135 2252
2136=cut 2253=cut
2137 2254
2138our $DB; 2255our $DB;
2139 2256
2140{ 2257sub db_init {
2258 unless ($DB) {
2259 $DB = BDB::db_create $DB_ENV;
2260
2261 cf::sync_job {
2262 eval {
2263 $DB->set_flags (BDB::CHKSUM);
2264
2265 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267 cf::cleanup "db_open(db): $!" if $!;
2268 };
2269 cf::cleanup "db_open(db): $@" if $@;
2270 };
2271
2141 my $path = cf::localdir . "/database.pst"; 2272 my $path = cf::localdir . "/database.pst";
2273 if (stat $path) {
2274 cf::sync_job {
2275 my $pst = Storable::retrieve $path;
2142 2276
2143 sub db_load() { 2277 cf::db_put (board => data => $pst->{board});
2144 $DB = stat $path ? Storable::retrieve $path : { }; 2278 cf::db_put (guildrules => data => $pst->{guildrules});
2145 } 2279 cf::db_put (rent => balance => $pst->{rent}{balance});
2280 BDB::db_env_txn_checkpoint $DB_ENV;
2146 2281
2147 my $pid; 2282 unlink $path;
2148
2149 sub db_save() {
2150 waitpid $pid, 0 if $pid;
2151 if (0 == ($pid = fork)) {
2152 $DB->{_meta}{version} = 1;
2153 Storable::nstore $DB, "$path~";
2154 rename "$path~", $path;
2155 cf::_exit 0 if defined $pid;
2156 } 2283 };
2157 } 2284 }
2158
2159 my $dirty;
2160
2161 sub db_sync() {
2162 db_save if $dirty;
2163 undef $dirty;
2164 }
2165
2166 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167 db_sync;
2168 }); 2285 }
2286}
2169 2287
2170 sub db_dirty() {
2171 $dirty = 1;
2172 $idle->start;
2173 }
2174
2175 sub db_get($;$) { 2288sub db_get($$) {
2176 @_ >= 2 2289 my $key = "$_[0]/$_[1]";
2177 ? $DB->{$_[0]}{$_[1]}
2178 : ($DB->{$_[0]} ||= { })
2179 }
2180 2290
2291 cf::sync_job {
2292 BDB::db_get $DB, undef, $key, my $data;
2293
2294 $! ? ()
2295 : Compress::LZF::sthaw $data
2296 }
2297}
2298
2181 sub db_put($$;$) { 2299sub db_put($$$) {
2182 if (@_ >= 3) { 2300 BDB::dbreq_pri 4;
2183 $DB->{$_[0]}{$_[1]} = $_[2]; 2301 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302}
2303
2304#############################################################################
2305# the server's init and main functions
2306
2307sub load_facedata {
2308 my $path = sprintf "%s/facedata", cf::datadir;
2309
2310 warn "loading facedata from $path\n";
2311
2312 my $faces;
2313 0 < aio_load $path, $faces
2314 or die "$path: $!";
2315
2316 Coro::cede;
2317 $faces = Storable::thaw $faces;
2318 Coro::cede;
2319
2320 my $meta = delete $faces->{""};
2321 $meta->{version} == 1
2322 or cf::cleanup "$path: version mismatch, cannot proceed.";
2323
2324 while (my ($face, $info) = each %$faces) {
2325 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2326 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2327 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2328 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2329 Coro::cede;
2330 }
2331
2332 while (my ($face, $info) = each %$faces) {
2333 next unless $info->{smooth};
2334 my $idx = cf::face::find $face
2335 or next;
2336 if (my $smooth = cf::face::find $info->{smooth}) {
2337 cf::face::set_smooth $idx, $smooth;
2184 } else { 2338 } else {
2185 $DB->{$_[0]} = $_[1]; 2339 warn "smooth face '$info->{smooth}' not found for face '$face'";
2186 }
2187 db_dirty;
2188 }
2189
2190 cf::global->attach (
2191 prio => 10000,
2192 on_cleanup => sub {
2193 db_sync;
2194 }, 2340 }
2195 ); 2341 Coro::cede;
2196} 2342 }
2197 2343
2198############################################################################# 2344 1
2199# the server's main() 2345}
2346
2347sub reload_resources {
2348 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2349 or die "unable to load regions file\n";#d#
2350 load_facedata
2351 or die "unable to load facedata\n";#d#
2352}
2353
2354sub init {
2355 reload_resources;
2356}
2200 2357
2201sub cfg_load { 2358sub cfg_load {
2202 open my $fh, "<:utf8", cf::confdir . "/config" 2359 open my $fh, "<:utf8", cf::confdir . "/config"
2203 or return; 2360 or return;
2204 2361
2221 2378
2222sub main { 2379sub main {
2223 # we must not ever block the main coroutine 2380 # we must not ever block the main coroutine
2224 local $Coro::idle = sub { 2381 local $Coro::idle = sub {
2225 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2382 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2383 (async {
2226 async { Event::one_event }; 2384 Event::one_event;
2385 })->prio (Coro::PRIO_MAX);
2227 }; 2386 };
2228 2387
2229 cfg_load; 2388 cfg_load;
2230 db_load; 2389 db_init;
2231 load_extensions; 2390 load_extensions;
2391
2392 $TICK_WATCHER->start;
2232 Event::loop; 2393 Event::loop;
2233} 2394}
2234 2395
2235############################################################################# 2396#############################################################################
2236# initialisation and cleanup 2397# initialisation and cleanup
2237 2398
2238# install some emergency cleanup handlers 2399# install some emergency cleanup handlers
2239BEGIN { 2400BEGIN {
2240 for my $signal (qw(INT HUP TERM)) { 2401 for my $signal (qw(INT HUP TERM)) {
2241 Event->signal ( 2402 Event->signal (
2403 reentrant => 0,
2242 data => WF_AUTOCANCEL, 2404 data => WF_AUTOCANCEL,
2243 signal => $signal, 2405 signal => $signal,
2406 prio => 0,
2244 cb => sub { 2407 cb => sub {
2245 cf::cleanup "SIG$signal"; 2408 cf::cleanup "SIG$signal";
2246 }, 2409 },
2247 ); 2410 );
2248 } 2411 }
2249} 2412}
2254 warn "enter emergency perl save\n"; 2417 warn "enter emergency perl save\n";
2255 2418
2256 cf::sync_job { 2419 cf::sync_job {
2257 # use a peculiar iteration method to avoid tripping on perl 2420 # use a peculiar iteration method to avoid tripping on perl
2258 # refcount bugs in for. also avoids problems with players 2421 # refcount bugs in for. also avoids problems with players
2259 # and maps saved/Destroyed asynchronously. 2422 # and maps saved/destroyed asynchronously.
2260 warn "begin emergency player save\n"; 2423 warn "begin emergency player save\n";
2261 for my $login (keys %cf::PLAYER) { 2424 for my $login (keys %cf::PLAYER) {
2262 my $pl = $cf::PLAYER{$login} or next; 2425 my $pl = $cf::PLAYER{$login} or next;
2263 $pl->valid or next; 2426 $pl->valid or next;
2264 $pl->save; 2427 $pl->save;
2270 my $map = $cf::MAP{$path} or next; 2433 my $map = $cf::MAP{$path} or next;
2271 $map->valid or next; 2434 $map->valid or next;
2272 $map->save; 2435 $map->save;
2273 } 2436 }
2274 warn "end emergency map save\n"; 2437 warn "end emergency map save\n";
2438
2439 warn "begin emergency database checkpoint\n";
2440 BDB::db_env_txn_checkpoint $DB_ENV;
2441 warn "end emergency database checkpoint\n";
2275 }; 2442 };
2276 2443
2277 warn "leave emergency perl save\n"; 2444 warn "leave emergency perl save\n";
2445}
2446
2447sub post_cleanup {
2448 my ($make_core) = @_;
2449
2450 warn Carp::longmess "post_cleanup backtrace"
2451 if $make_core;
2278} 2452}
2279 2453
2280sub reload() { 2454sub reload() {
2281 # can/must only be called in main 2455 # can/must only be called in main
2282 if ($Coro::current != $Coro::main) { 2456 if ($Coro::current != $Coro::main) {
2283 warn "can only reload from main coroutine\n"; 2457 warn "can only reload from main coroutine";
2284 return; 2458 return;
2285 } 2459 }
2286 2460
2287 warn "reloading..."; 2461 warn "reloading...";
2288 2462
2289 warn "freezing server"; 2463 warn "entering sync_job";
2290 my $guard = freeze_mainloop; 2464
2465 cf::sync_job {
2466 cf::write_runtime; # external watchdog should not bark
2291 cf::emergency_save; 2467 cf::emergency_save;
2468 cf::write_runtime; # external watchdog should not bark
2292 2469
2293 warn "sync database to disk"; 2470 warn "syncing database to disk";
2294 cf::db_sync; 2471 BDB::db_env_txn_checkpoint $DB_ENV;
2295 IO::AIO::flush;
2296 2472
2297 eval {
2298 # if anything goes wrong in here, we should simply crash as we already saved 2473 # if anything goes wrong in here, we should simply crash as we already saved
2299 2474
2300 warn "cancel all watchers"; 2475 warn "cancelling all WF_AUTOCANCEL watchers";
2301 for (Event::all_watchers) { 2476 for (Event::all_watchers) {
2302 $_->cancel if $_->data & WF_AUTOCANCEL; 2477 $_->cancel if $_->data & WF_AUTOCANCEL;
2303 } 2478 }
2304 2479
2480 warn "flushing outstanding aio requests";
2481 for (;;) {
2482 BDB::flush;
2483 IO::AIO::flush;
2484 Coro::cede;
2485 last unless IO::AIO::nreqs || BDB::nreqs;
2486 warn "iterate...";
2487 }
2488
2489 ++$RELOAD;
2490
2305 warn "cancel all extension coros"; 2491 warn "cancelling all extension coros";
2306 $_->cancel for values %EXT_CORO; 2492 $_->cancel for values %EXT_CORO;
2307 %EXT_CORO = (); 2493 %EXT_CORO = ();
2308 2494
2309 warn "remove commands"; 2495 warn "removing commands";
2310 %COMMAND = (); 2496 %COMMAND = ();
2311 2497
2312 warn "remove ext commands"; 2498 warn "removing ext commands";
2313 %EXTCMD = (); 2499 %EXTCMD = ();
2314 2500
2315 warn "unload/nuke all extensions"; 2501 warn "unloading/nuking all extensions";
2316 for my $pkg (@EXTS) { 2502 for my $pkg (@EXTS) {
2317 warn "... unloading $pkg"; 2503 warn "... unloading $pkg";
2318 2504
2319 if (my $cb = $pkg->can ("unload")) { 2505 if (my $cb = $pkg->can ("unload")) {
2320 eval { 2506 eval {
2325 2511
2326 warn "... nuking $pkg"; 2512 warn "... nuking $pkg";
2327 Symbol::delete_package $pkg; 2513 Symbol::delete_package $pkg;
2328 } 2514 }
2329 2515
2330 warn "unload all perl modules loaded from $LIBDIR"; 2516 warn "unloading all perl modules loaded from $LIBDIR";
2331 while (my ($k, $v) = each %INC) { 2517 while (my ($k, $v) = each %INC) {
2332 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2518 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333 2519
2334 warn "removing <$k>"; 2520 warn "... unloading $k";
2335 delete $INC{$k}; 2521 delete $INC{$k};
2336 2522
2337 $k =~ s/\.pm$//; 2523 $k =~ s/\.pm$//;
2338 $k =~ s/\//::/g; 2524 $k =~ s/\//::/g;
2339 2525
2342 } 2528 }
2343 2529
2344 Symbol::delete_package $k; 2530 Symbol::delete_package $k;
2345 } 2531 }
2346 2532
2347 warn "get rid of safe::, as good as possible"; 2533 warn "getting rid of safe::, as good as possible";
2348 Symbol::delete_package "safe::$_" 2534 Symbol::delete_package "safe::$_"
2349 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2535 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350 2536
2351 warn "unload cf.pm \"a bit\""; 2537 warn "unloading cf.pm \"a bit\"";
2352 delete $INC{"cf.pm"}; 2538 delete $INC{"cf.pm"};
2353 2539
2354 # don't, removes xs symbols, too, 2540 # don't, removes xs symbols, too,
2355 # and global variables created in xs 2541 # and global variables created in xs
2356 #Symbol::delete_package __PACKAGE__; 2542 #Symbol::delete_package __PACKAGE__;
2357 2543
2544 warn "unload completed, starting to reload now";
2545
2358 warn "reloading cf.pm"; 2546 warn "reloading cf.pm";
2359 require cf; 2547 require cf;
2360 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2548 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361 2549
2362 warn "load config and database again"; 2550 warn "loading config and database again";
2363 cf::cfg_load; 2551 cf::cfg_load;
2364 cf::db_load;
2365 2552
2366 warn "load extensions"; 2553 warn "loading extensions";
2367 cf::load_extensions; 2554 cf::load_extensions;
2368 2555
2369 warn "reattach attachments to objects/players"; 2556 warn "reattaching attachments to objects/players";
2370 _global_reattach; 2557 _global_reattach; # objects, sockets
2371 warn "reattach attachments to maps"; 2558 warn "reattaching attachments to maps";
2372 reattach $_ for values %MAP; 2559 reattach $_ for values %MAP;
2373 }; 2560 warn "reattaching attachments to players";
2561 reattach $_ for values %PLAYER;
2374 2562
2375 if ($@) { 2563 warn "loading reloadable resources";
2564 reload_resources;
2565
2566 warn "leaving sync_job";
2567
2568 1
2569 } or do {
2376 warn $@; 2570 warn $@;
2377 warn "error while reloading, exiting."; 2571 warn "error while reloading, exiting.";
2378 exit 1; 2572 exit 1;
2379 } 2573 };
2380 2574
2381 warn "reloaded"; 2575 warn "reloaded";
2382}; 2576};
2383 2577
2578our $RELOAD_WATCHER; # used only during reload
2579
2384register_command "reload" => sub { 2580register_command "reload" => sub {
2385 my ($who, $arg) = @_; 2581 my ($who, $arg) = @_;
2386 2582
2387 if ($who->flag (FLAG_WIZ)) { 2583 if ($who->flag (FLAG_WIZ)) {
2388 $who->message ("start of reload."); 2584 $who->message ("reloading server.");
2585
2586 # doing reload synchronously and two reloads happen back-to-back,
2587 # coro crashes during coro_state_free->destroy here.
2588
2589 $RELOAD_WATCHER ||= Event->timer (
2590 reentrant => 0,
2591 after => 0,
2592 data => WF_AUTOCANCEL,
2593 cb => sub {
2389 reload; 2594 reload;
2390 $who->message ("end of reload."); 2595 undef $RELOAD_WATCHER;
2596 },
2597 );
2391 } 2598 }
2392}; 2599};
2393 2600
2394unshift @INC, $LIBDIR; 2601unshift @INC, $LIBDIR;
2602
2603my $bug_warning = 0;
2395 2604
2396$TICK_WATCHER = Event->timer ( 2605$TICK_WATCHER = Event->timer (
2397 reentrant => 0, 2606 reentrant => 0,
2607 parked => 1,
2398 prio => 0, 2608 prio => 0,
2399 at => $NEXT_TICK || $TICK, 2609 at => $NEXT_TICK || $TICK,
2400 data => WF_AUTOCANCEL, 2610 data => WF_AUTOCANCEL,
2401 cb => sub { 2611 cb => sub {
2612 if ($Coro::current != $Coro::main) {
2613 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2614 unless ++$bug_warning > 10;
2615 return;
2616 }
2617
2402 $NOW = Event::time; 2618 $NOW = Event::time;
2403 2619
2404 cf::server_tick; # one server iteration 2620 cf::server_tick; # one server iteration
2405 $RUNTIME += $TICK; 2621 $RUNTIME += $TICK;
2406 $NEXT_TICK += $TICK; 2622 $NEXT_TICK += $TICK;
2407 2623
2624 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2625 $NEXT_RUNTIME_WRITE = $NOW + 10;
2626 Coro::async_pool {
2627 write_runtime
2628 or warn "ERROR: unable to write runtime file: $!";
2629 };
2630 }
2631
2408 $WAIT_FOR_TICK->broadcast; 2632 $WAIT_FOR_TICK->broadcast;
2409 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2633 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2634
2635# my $AFTER = Event::time;
2636# warn $AFTER - $NOW;#d#
2410 2637
2411 # if we are delayed by four ticks or more, skip them all 2638 # if we are delayed by four ticks or more, skip them all
2412 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2639 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2413 2640
2414 $TICK_WATCHER->at ($NEXT_TICK); 2641 $TICK_WATCHER->at ($NEXT_TICK);
2415 $TICK_WATCHER->start; 2642 $TICK_WATCHER->start;
2416 }, 2643 },
2417); 2644);
2418 2645
2646{
2419IO::AIO::max_poll_time $TICK * 0.2; 2647 BDB::max_poll_time $TICK * 0.1;
2420 2648 $BDB_POLL_WATCHER = Event->io (
2421Event->io ( 2649 reentrant => 0,
2422 fd => IO::AIO::poll_fileno, 2650 fd => BDB::poll_fileno,
2423 poll => 'r', 2651 poll => 'r',
2424 prio => 5, 2652 prio => 0,
2425 data => WF_AUTOCANCEL,
2426 cb => \&IO::AIO::poll_cb,
2427);
2428
2429Event->timer (
2430 data => WF_AUTOCANCEL, 2653 data => WF_AUTOCANCEL,
2431 after => 0, 2654 cb => \&BDB::poll_cb,
2432 interval => 10, 2655 );
2433 cb => sub { 2656 BDB::min_parallel 8;
2434 (Coro::unblock_sub { 2657
2435 write_runtime 2658 BDB::set_sync_prepare {
2436 or warn "ERROR: unable to write runtime file: $!"; 2659 my $status;
2660 my $current = $Coro::current;
2661 (
2662 sub {
2663 $status = $!;
2664 $current->ready; undef $current;
2665 },
2666 sub {
2667 Coro::schedule while defined $current;
2668 $! = $status;
2669 },
2670 )
2671 };
2672
2673 unless ($DB_ENV) {
2674 $DB_ENV = BDB::db_env_create;
2675
2676 cf::sync_job {
2677 eval {
2678 BDB::db_env_open
2679 $DB_ENV,
2680 $BDB_ENV_DIR,
2681 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2682 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2683 0666;
2684
2685 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2686
2687 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2688 $DB_ENV->set_lk_detect;
2689 };
2690
2691 cf::cleanup "db_env_open(db): $@" if $@;
2437 })->(); 2692 };
2438 }, 2693 }
2439); 2694}
2695
2696{
2697 IO::AIO::min_parallel 8;
2698
2699 undef $Coro::AIO::WATCHER;
2700 IO::AIO::max_poll_time $TICK * 0.1;
2701 $AIO_POLL_WATCHER = Event->io (
2702 reentrant => 0,
2703 data => WF_AUTOCANCEL,
2704 fd => IO::AIO::poll_fileno,
2705 poll => 'r',
2706 prio => 6,
2707 cb => \&IO::AIO::poll_cb,
2708 );
2709}
2440 2710
2441END { cf::emergency_save } 2711END { cf::emergency_save }
2442 2712
24431 27131
2444 2714

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