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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 2007 UTC vs.
Revision 1.238 by root, Sat Apr 14 07:23:00 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;
21use Coro::Storable;
19 22
23use BDB ();
20use Data::Dumper; 24use Data::Dumper;
21use Digest::MD5; 25use Digest::MD5;
22use Fcntl; 26use Fcntl;
27use YAML::Syck ();
23use IO::AIO 2.32 (); 28use IO::AIO 2.32 ();
24use YAML::Syck ();
25use Time::HiRes; 29use Time::HiRes;
30use Compress::LZF;
26 31
32# configure various modules to our taste
33#
34$Storable::canonical = 1; # reduce rsync transfers
35Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
36Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 38$Event::Eval = 1; # no idea why this is required, but it is
28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 39
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 40# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1; 41$YAML::Syck::ImplicitUnicode = 1;
33 42
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 43$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44
45sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35 46
36our %COMMAND = (); 47our %COMMAND = ();
37our %COMMAND_TIME = (); 48our %COMMAND_TIME = ();
38 49
39our @EXTS = (); # list of extension package names 50our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 51our %EXTCMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 52our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 53our %EXT_MAP = (); # pluggable maps
43 54
55our $RELOAD; # number of reloads so far
44our @EVENT; 56our @EVENT;
45our $LIBDIR = datadir . "/ext"; 57our $LIBDIR = datadir . "/ext";
46 58
47our $TICK = MAX_TIME * 1e-6; 59our $TICK = MAX_TIME * 1e-6;
48our $TICK_WATCHER; 60our $TICK_WATCHER;
61our $AIO_POLL_WATCHER;
62our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49our $NEXT_TICK; 63our $NEXT_TICK;
50our $NOW; 64our $NOW;
65our $USE_FSYNC = 1; # use fsync to write maps - default off
66
67our $BDB_POLL_WATCHER;
68our $DB_ENV;
51 69
52our %CFG; 70our %CFG;
53 71
54our $UPTIME; $UPTIME ||= time; 72our $UPTIME; $UPTIME ||= time;
55our $RUNTIME; 73our $RUNTIME;
56 74
57our %PLAYER; # all users 75our %PLAYER; # all users
58our %MAP; # all maps 76our %MAP; # all maps
59our $LINK_MAP; # the special {link} map, which is always available 77our $LINK_MAP; # the special {link} map, which is always available
60our $RANDOM_MAPS = cf::localdir . "/random"; 78our $RANDOM_MAPS = cf::localdir . "/random";
79our $BDB_ENV_DIR = cf::localdir . "/db";
61 80
62our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 81our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 82our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64 83
65# used to convert map paths into valid unix filenames by replacing / by ∕ 84# used to convert map paths into valid unix filenames by replacing / by ∕
78mkdir cf::localdir; 97mkdir cf::localdir;
79mkdir cf::localdir . "/" . cf::playerdir; 98mkdir cf::localdir . "/" . cf::playerdir;
80mkdir cf::localdir . "/" . cf::tmpdir; 99mkdir cf::localdir . "/" . cf::tmpdir;
81mkdir cf::localdir . "/" . cf::uniquedir; 100mkdir cf::localdir . "/" . cf::uniquedir;
82mkdir $RANDOM_MAPS; 101mkdir $RANDOM_MAPS;
102mkdir $BDB_ENV_DIR;
83 103
84our $EMERGENCY_POSITION; 104our $EMERGENCY_POSITION;
105
106sub cf::map::normalise;
85 107
86############################################################################# 108#############################################################################
87 109
88=head2 GLOBAL VARIABLES 110=head2 GLOBAL VARIABLES
89 111
188 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 210 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189 $d 211 $d
190 } || "[unable to dump $_[0]: '$@']"; 212 } || "[unable to dump $_[0]: '$@']";
191} 213}
192 214
193use JSON::Syck (); # TODO# replace by JSON::PC once working 215use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194 216
195=item $ref = cf::from_json $json 217=item $ref = cf::from_json $json
196 218
197Converts a JSON string into the corresponding perl data structure. 219Converts a JSON string into the corresponding perl data structure.
198 220
199=cut
200
201sub from_json($) {
202 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203 JSON::Syck::Load $_[0]
204}
205
206=item $json = cf::to_json $ref 221=item $json = cf::to_json $ref
207 222
208Converts a perl data structure into its JSON representation. 223Converts a perl data structure into its JSON representation.
209
210=cut
211
212sub to_json($) {
213 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214 JSON::Syck::Dump $_[0]
215}
216 224
217=item cf::lock_wait $string 225=item cf::lock_wait $string
218 226
219Wait until the given lock is available. See cf::lock_acquire. 227Wait until the given lock is available. See cf::lock_acquire.
220 228
257} 265}
258 266
259sub freeze_mainloop { 267sub freeze_mainloop {
260 return unless $TICK_WATCHER->is_active; 268 return unless $TICK_WATCHER->is_active;
261 269
262 my $guard = Coro::guard { $TICK_WATCHER->start }; 270 my $guard = Coro::guard {
271 $TICK_WATCHER->start;
272 };
263 $TICK_WATCHER->stop; 273 $TICK_WATCHER->stop;
264 $guard 274 $guard
265} 275}
266 276
267=item cf::async { BLOCK } 277=item cf::async { BLOCK }
338 348
339 $coro 349 $coro
340} 350}
341 351
342sub write_runtime { 352sub write_runtime {
343 return unless $TICK_WATCHER->is_active; 353 my $guard = cf::lock_acquire "write_runtime";
344 354
345 my $runtime = cf::localdir . "/runtime"; 355 my $runtime = cf::localdir . "/runtime";
346 356
347 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 357 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
348 or return; 358 or return;
349 359
360 my $value = $cf::RUNTIME + 90 + 10;
350 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 361 # 10 is the runtime save interval, for a monotonic clock
362 # 60 allows for the watchdog to kill the server.
363
351 (aio_write $fh, 0, (length $value), $value, 0) <= 0 364 (aio_write $fh, 0, (length $value), $value, 0) <= 0
352 and return; 365 and return;
353 366
367 # always fsync - this file is important
354 aio_fsync $fh 368 aio_fsync $fh
355 and return; 369 and return;
356 370
357 close $fh 371 close $fh
358 or return; 372 or return;
359 373
360 aio_rename "$runtime~", $runtime 374 aio_rename "$runtime~", $runtime
361 and return; 375 and return;
362 376
363 1 377 1
378}
379
380=item cf::datalog type => key => value, ...
381
382Log a datalog packet of the given type with the given key-value pairs.
383
384=cut
385
386sub datalog($@) {
387 my ($type, %kv) = @_;
388 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364} 389}
365 390
366=back 391=back
367 392
368=cut 393=cut
499our @CB_TYPE = (); # registry for type (cf-object class) based events 524our @CB_TYPE = (); # registry for type (cf-object class) based events
500our @CB_MAP = (); 525our @CB_MAP = ();
501 526
502my %attachment; 527my %attachment;
503 528
529sub cf::attachable::thawer_merge {
530 # simply override everything except _meta
531 local $_[0]{_meta};
532 %{$_[0]} = %{$_[1]};
533}
534
504sub _attach_cb($$$$) { 535sub _attach_cb($$$$) {
505 my ($registry, $event, $prio, $cb) = @_; 536 my ($registry, $event, $prio, $cb) = @_;
506 537
507 use sort 'stable'; 538 use sort 'stable';
508 539
679# object support 710# object support
680 711
681sub reattach { 712sub reattach {
682 # basically do the same as instantiate, without calling instantiate 713 # basically do the same as instantiate, without calling instantiate
683 my ($obj) = @_; 714 my ($obj) = @_;
715
716 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684 717
685 my $registry = $obj->registry; 718 my $registry = $obj->registry;
686 719
687 @$registry = (); 720 @$registry = ();
688 721
735 $filename, length $$rdata, scalar @$objs; 768 $filename, length $$rdata, scalar @$objs;
736 769
737 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 770 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738 chmod SAVE_MODE, $fh; 771 chmod SAVE_MODE, $fh;
739 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 772 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740 aio_fsync $fh; 773 aio_fsync $fh if $cf::USE_FSYNC;
741 close $fh; 774 close $fh;
742 775
743 if (@$objs) { 776 if (@$objs) {
744 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 777 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745 chmod SAVE_MODE, $fh; 778 chmod SAVE_MODE, $fh;
746 my $data = Storable::nfreeze { version => 1, objs => $objs }; 779 my $data = Storable::nfreeze { version => 1, objs => $objs };
747 aio_write $fh, 0, (length $data), $data, 0; 780 aio_write $fh, 0, (length $data), $data, 0;
748 aio_fsync $fh; 781 aio_fsync $fh if $cf::USE_FSYNC;
749 close $fh; 782 close $fh;
750 aio_rename "$filename.pst~", "$filename.pst"; 783 aio_rename "$filename.pst~", "$filename.pst";
751 } 784 }
752 } else { 785 } else {
753 aio_unlink "$filename.pst"; 786 aio_unlink "$filename.pst";
932} 965}
933 966
934sub path($) { 967sub path($) {
935 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 968 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936 969
937 (playerdir $login) . "/$login.pl" 970 (playerdir $login) . "/playerdata"
938} 971}
939 972
940sub find_active($) { 973sub find_active($) {
941 $cf::PLAYER{$_[0]} 974 $cf::PLAYER{$_[0]}
942 and $cf::PLAYER{$_[0]}->active 975 and $cf::PLAYER{$_[0]}->active
945 978
946sub exists($) { 979sub exists($) {
947 my ($login) = @_; 980 my ($login) = @_;
948 981
949 $cf::PLAYER{$login} 982 $cf::PLAYER{$login}
950 or cf::sync_job { !aio_stat $login } 983 or cf::sync_job { !aio_stat path $login }
951} 984}
952 985
953sub find($) { 986sub find($) {
954 return $cf::PLAYER{$_[0]} || do { 987 return $cf::PLAYER{$_[0]} || do {
955 my $login = $_[0]; 988 my $login = $_[0];
956 989
957 my $guard = cf::lock_acquire "user_find:$login"; 990 my $guard = cf::lock_acquire "user_find:$login";
958 991
959 $cf::PLAYER{$_[0]} || do { 992 $cf::PLAYER{$_[0]} || do {
993 # rename old playerfiles to new ones
994 #TODO: remove when no longer required
995 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997 aio_unlink +(playerdir $login) . "/$login.pl.pst";
998 aio_unlink +(playerdir $login) . "/$login.pl";
999
960 my $pl = load_pl path $login 1000 my $pl = load_pl path $login
961 or return; 1001 or return;
962 $cf::PLAYER{$login} = $pl 1002 $cf::PLAYER{$login} = $pl
963 } 1003 }
964 } 1004 }
1001 1041
1002=cut 1042=cut
1003 1043
1004sub quit_character { 1044sub quit_character {
1005 my ($pl) = @_; 1045 my ($pl) = @_;
1046
1047 my $name = $pl->ob->name;
1006 1048
1007 $pl->{deny_save} = 1; 1049 $pl->{deny_save} = 1;
1008 $pl->password ("*"); # this should lock out the player until we nuked the dir 1050 $pl->password ("*"); # this should lock out the player until we nuked the dir
1009 1051
1010 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1052 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1015 my $path = playerdir $pl; 1057 my $path = playerdir $pl;
1016 my $temp = "$path~$cf::RUNTIME~deleting~"; 1058 my $temp = "$path~$cf::RUNTIME~deleting~";
1017 aio_rename $path, $temp; 1059 aio_rename $path, $temp;
1018 delete $cf::PLAYER{$pl->ob->name}; 1060 delete $cf::PLAYER{$pl->ob->name};
1019 $pl->destroy; 1061 $pl->destroy;
1062
1063 my $prefix = qr<^~\Q$name\E/>;
1064
1065 # nuke player maps
1066 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1067
1020 IO::AIO::aio_rmtree $temp; 1068 IO::AIO::aio_rmtree $temp;
1069}
1070
1071=item $pl->kick
1072
1073Kicks a player out of the game. This destroys the connection.
1074
1075=cut
1076
1077sub kick {
1078 my ($pl, $kicker) = @_;
1079
1080 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1081 $pl->killer ("kicked");
1082 $pl->ns->destroy;
1021} 1083}
1022 1084
1023=item cf::player::list_logins 1085=item cf::player::list_logins
1024 1086
1025Returns am arrayref of all valid playernames in the system, can take a 1087Returns am arrayref of all valid playernames in the system, can take a
1053=cut 1115=cut
1054 1116
1055sub maps($) { 1117sub maps($) {
1056 my ($pl) = @_; 1118 my ($pl) = @_;
1057 1119
1120 $pl = ref $pl ? $pl->ob->name : $pl;
1121
1058 my $files = aio_readdir playerdir $pl 1122 my $files = aio_readdir playerdir $pl
1059 or return; 1123 or return;
1060 1124
1061 my @paths; 1125 my @paths;
1062 1126
1063 for (@$files) { 1127 for (@$files) {
1064 utf8::decode $_; 1128 utf8::decode $_;
1065 next if /\.(?:pl|pst)$/; 1129 next if /\.(?:pl|pst)$/;
1066 next unless /^$PATH_SEP/o; 1130 next unless /^$PATH_SEP/o;
1067 1131
1068 s/\.map$//; 1132 push @paths, cf::map::normalise "~$pl/$_";
1069 push @paths, "~" . $pl->ob->name . "/" . $_;
1070 } 1133 }
1071 1134
1072 \@paths 1135 \@paths
1073} 1136}
1074 1137
1075=item $player->ext_reply ($msgid, $msgtype, %msg) 1138=item $player->ext_reply ($msgid, %msg)
1076 1139
1077Sends an ext reply to the player. 1140Sends an ext reply to the player.
1078 1141
1079=cut 1142=cut
1080 1143
1081sub ext_reply($$$%) { 1144sub ext_reply($$%) {
1082 my ($self, $id, %msg) = @_; 1145 my ($self, $id, %msg) = @_;
1083 1146
1084 $msg{msgid} = $id; 1147 $msg{msgid} = $id;
1085 1148
1086 $self->send ("ext " . cf::to_json \%msg); 1149 $self->send ("ext " . cf::to_json \%msg);
1087} 1150}
1088 1151
1089package cf; 1152=item $player->ext_event ($type, %msg)
1153
1154Sends an ext event to the client.
1155
1156=cut
1157
1158sub ext_event($$%) {
1159 my ($self, $type, %msg) = @_;
1160
1161 $self->ns->ext_event ($type, %msg);
1162}
1163
1164=head3 cf::region
1165
1166=over 4
1167
1168=cut
1169
1170package cf::region;
1171
1172=item cf::region::find_by_path $path
1173
1174Tries to decuce the probable region for a map knowing only its path.
1175
1176=cut
1177
1178sub find_by_path($) {
1179 my ($path) = @_;
1180
1181 my ($match, $specificity);
1182
1183 for my $region (list) {
1184 if ($region->match && $path =~ $region->match) {
1185 ($match, $specificity) = ($region, $region->specificity)
1186 if $region->specificity > $specificity;
1187 }
1188 }
1189
1190 $match
1191}
1090 1192
1091=back 1193=back
1092
1093 1194
1094=head3 cf::map 1195=head3 cf::map
1095 1196
1096=over 4 1197=over 4
1097 1198
1101 1202
1102use Fcntl; 1203use Fcntl;
1103use Coro::AIO; 1204use Coro::AIO;
1104 1205
1105use overload 1206use overload
1106 '""' => \&as_string; 1207 '""' => \&as_string,
1208 fallback => 1;
1107 1209
1108our $MAX_RESET = 3600; 1210our $MAX_RESET = 3600;
1109our $DEFAULT_RESET = 3000; 1211our $DEFAULT_RESET = 3000;
1110 1212
1111sub generate_random_map { 1213sub generate_random_map {
1112 my ($self, $rmp) = @_; 1214 my ($self, $rmp) = @_;
1113
1114 # mit "rum" bekleckern, nicht 1215 # mit "rum" bekleckern, nicht
1115 $self->_create_random_map ( 1216 $self->_create_random_map (
1116 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1217 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1218 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1219 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1125 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1226 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126 (cf::region::find $rmp->{region}), $rmp->{custom} 1227 (cf::region::find $rmp->{region}), $rmp->{custom}
1127 ) 1228 )
1128} 1229}
1129 1230
1231=item cf::map->register ($regex, $prio)
1232
1233Register a handler for the map path matching the given regex at the
1234givne priority (higher is better, built-in handlers have priority 0, the
1235default).
1236
1237=cut
1238
1130sub register { 1239sub register {
1131 my (undef, $regex) = @_; 1240 my (undef, $regex, $prio) = @_;
1132 my $pkg = caller; 1241 my $pkg = caller;
1133 1242
1134 no strict; 1243 no strict;
1135 push @{"$pkg\::ISA"}, __PACKAGE__; 1244 push @{"$pkg\::ISA"}, __PACKAGE__;
1136 1245
1137 $EXT_MAP{$pkg} = qr<$regex>; 1246 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138} 1247}
1139 1248
1140# also paths starting with '/' 1249# also paths starting with '/'
1141$EXT_MAP{"cf::map"} = qr{^(?=/)}; 1250$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1251
1252sub thawer_merge {
1253 my ($self, $merge) = @_;
1254
1255 # we have to keep some variables in memory intact
1256 local $self->{path};
1257 local $self->{load_path};
1258 local $self->{deny_save};
1259 local $self->{deny_reset};
1260
1261 $self->SUPER::thawer_merge ($merge);
1262}
1142 1263
1143sub normalise { 1264sub normalise {
1144 my ($path, $base) = @_; 1265 my ($path, $base) = @_;
1266
1267 $path = "$path"; # make sure its a string
1268
1269 $path =~ s/\.map$//;
1145 1270
1146 # map plan: 1271 # map plan:
1147 # 1272 #
1148 # /! non-realised random map exit (special hack!) 1273 # /! non-realised random map exit (special hack!)
1149 # {... are special paths that are not being touched 1274 # {... are special paths that are not being touched
1177 1302
1178 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object 1303 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1179 1304
1180 $path = normalise $path, $base; 1305 $path = normalise $path, $base;
1181 1306
1182 for my $pkg (keys %EXT_MAP) { 1307 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183 if ($path =~ $EXT_MAP{$pkg}) { 1308 if ($path =~ $EXT_MAP{$pkg}[1]) {
1184 my $self = bless cf::map::new, $pkg; 1309 my $self = bless cf::map::new, $pkg;
1185 $self->{path} = $path; $self->path ($path); 1310 $self->{path} = $path; $self->path ($path);
1186 $self->init; # pass $1 etc. 1311 $self->init; # pass $1 etc.
1187 return $self; 1312 return $self;
1188 } 1313 }
1189 } 1314 }
1190 1315
1191 Carp::carp "unable to resolve path '$path'."; 1316 Carp::carp "unable to resolve path '$path' (base '$base').";
1192 () 1317 ()
1193} 1318}
1194 1319
1195sub init { 1320sub init {
1196 my ($self) = @_; 1321 my ($self) = @_;
1211 1336
1212# the original (read-only) location 1337# the original (read-only) location
1213sub load_path { 1338sub load_path {
1214 my ($self) = @_; 1339 my ($self) = @_;
1215 1340
1216 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1341 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1217} 1342}
1218 1343
1219# the temporary/swap location 1344# the temporary/swap location
1220sub save_path { 1345sub save_path {
1221 my ($self) = @_; 1346 my ($self) = @_;
1222 1347
1223 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1348 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1349 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1225} 1350}
1226 1351
1227# the unique path, undef == no special unique path 1352# the unique path, undef == no special unique path
1228sub uniq_path { 1353sub uniq_path {
1229 my ($self) = @_; 1354 my ($self) = @_;
1243 1368
1244sub unlink_save { 1369sub unlink_save {
1245 my ($self) = @_; 1370 my ($self) = @_;
1246 1371
1247 utf8::encode (my $save = $self->save_path); 1372 utf8::encode (my $save = $self->save_path);
1248 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save; 1373 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst"; 1374 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250} 1375}
1251 1376
1252sub load_header_from($) { 1377sub load_header_from($) {
1253 my ($self, $path) = @_; 1378 my ($self, $path) = @_;
1254 1379
1255 utf8::encode $path; 1380 utf8::encode $path;
1256 aio_open $path, O_RDONLY, 0 1381 #aio_open $path, O_RDONLY, 0
1257 or return; 1382 # or return;
1258 1383
1259 $self->_load_header ($path) 1384 $self->_load_header ($path)
1260 or return; 1385 or return;
1261 1386
1262 $self->{load_path} = $path; 1387 $self->{load_path} = $path;
1263 1388
1264 1 1389 1
1265} 1390}
1266 1391
1267sub load_orig { 1392sub load_header_orig {
1268 my ($self) = @_; 1393 my ($self) = @_;
1269 1394
1270 $self->load_header_from ($self->load_path) 1395 $self->load_header_from ($self->load_path)
1271} 1396}
1272 1397
1273sub load_temp { 1398sub load_header_temp {
1274 my ($self) = @_; 1399 my ($self) = @_;
1275 1400
1276 $self->load_header_from ($self->save_path) 1401 $self->load_header_from ($self->save_path)
1402}
1403
1404sub prepare_temp {
1405 my ($self) = @_;
1406
1407 $self->last_access ((delete $self->{last_access})
1408 || $cf::RUNTIME); #d#
1409 # safety
1410 $self->{instantiate_time} = $cf::RUNTIME
1411 if $self->{instantiate_time} > $cf::RUNTIME;
1412}
1413
1414sub prepare_orig {
1415 my ($self) = @_;
1416
1417 $self->{load_original} = 1;
1418 $self->{instantiate_time} = $cf::RUNTIME;
1419 $self->last_access ($cf::RUNTIME);
1420 $self->instantiate;
1277} 1421}
1278 1422
1279sub load_header { 1423sub load_header {
1280 my ($self) = @_; 1424 my ($self) = @_;
1281 1425
1282 if ($self->load_temp) { 1426 if ($self->load_header_temp) {
1283 $self->last_access ((delete $self->{last_access}) 1427 $self->prepare_temp;
1284 || $cf::RUNTIME); #d#
1285 # safety
1286 $self->{instantiate_time} = $cf::RUNTIME
1287 if $self->{instantiate_time} > $cf::RUNTIME;
1288 } else { 1428 } else {
1289 $self->load_orig 1429 $self->load_header_orig
1290 or return; 1430 or return;
1291 1431 $self->prepare_orig;
1292 $self->{load_original} = 1;
1293 $self->{instantiate_time} = $cf::RUNTIME;
1294 $self->last_access ($cf::RUNTIME);
1295 $self->instantiate;
1296 } 1432 }
1433
1434 $self->default_region (cf::region::find_by_path $self->{path})
1435 unless $self->default_region;
1297 1436
1298 1 1437 1
1299} 1438}
1300 1439
1301sub find; 1440sub find;
1314 $map->{last_save} = $cf::RUNTIME; 1453 $map->{last_save} = $cf::RUNTIME;
1315 1454
1316 $map->load_header 1455 $map->load_header
1317 or return; 1456 or return;
1318 1457
1319 if ($map->should_reset) { 1458 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1459 # doing this can freeze the server in a sync job, obviously
1460 #$cf::WAIT_FOR_TICK->wait;
1320 $map->reset; 1461 $map->reset;
1321 undef $guard; 1462 undef $guard;
1322 $map = find $path 1463 return find $path;
1323 or return;
1324 } 1464 }
1325 1465
1326 $cf::MAP{$path} = $map 1466 $cf::MAP{$path} = $map
1327 } 1467 }
1328} 1468}
1469
1470sub pre_load { }
1471sub post_load { }
1329 1472
1330sub load { 1473sub load {
1331 my ($self) = @_; 1474 my ($self) = @_;
1332 1475
1476 local $self->{deny_reset} = 1; # loading can take a long time
1477
1333 my $path = $self->{path}; 1478 my $path = $self->{path};
1334 my $guard = cf::lock_acquire "map_load:$path"; 1479 my $guard = cf::lock_acquire "map_load:$path";
1335 1480
1336 return if $self->in_memory != cf::MAP_SWAPPED; 1481 return if $self->in_memory != cf::MAP_SWAPPED;
1337 1482
1338 $self->in_memory (cf::MAP_LOADING); 1483 $self->in_memory (cf::MAP_LOADING);
1339 1484
1340 $self->alloc; 1485 $self->alloc;
1486
1487 $self->pre_load;
1488
1341 $self->_load_objects ($self->{load_path}, 1) 1489 $self->_load_objects ($self->{load_path}, 1)
1342 or return; 1490 or return;
1343 1491
1344 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1492 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1345 if delete $self->{load_original}; 1493 if delete $self->{load_original};
1367 unless $self->difficulty; 1515 unless $self->difficulty;
1368 Coro::cede; 1516 Coro::cede;
1369 $self->activate; 1517 $self->activate;
1370 } 1518 }
1371 1519
1520 $self->post_load;
1521
1372 $self->in_memory (cf::MAP_IN_MEMORY); 1522 $self->in_memory (cf::MAP_IN_MEMORY);
1373} 1523}
1374 1524
1375sub customise_for { 1525sub customise_for {
1376 my ($self, $ob) = @_; 1526 my ($self, $ob) = @_;
1416 1566
1417 cf::sync_job { $map->load }; 1567 cf::sync_job { $map->load };
1418} 1568}
1419 1569
1420our %MAP_PREFETCH; 1570our %MAP_PREFETCH;
1421our $MAP_PREFETCHER = Coro::async { 1571our $MAP_PREFETCHER = undef;
1422 while () {
1423 for my $path (keys %MAP_PREFETCH) {
1424 my $map = find $path
1425 or next;
1426 $map->load;
1427
1428 delete $MAP_PREFETCH{$path};
1429 }
1430 Coro::schedule;
1431 }
1432};
1433 1572
1434sub find_async { 1573sub find_async {
1435 my ($path, $origin) = @_; 1574 my ($path, $origin) = @_;
1436 1575
1437 $path = normalise $path, $origin && $origin->{path}; 1576 $path = normalise $path, $origin && $origin->{path};
1438 1577
1439 if (my $map = $cf::MAP{$path}) { 1578 if (my $map = $cf::MAP{$path}) {
1440 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1579 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1441 } 1580 }
1442 1581
1443 $MAP_PREFETCH{$path} = 0; 1582 undef $MAP_PREFETCH{$path};
1583 $MAP_PREFETCHER ||= cf::async {
1584 while (%MAP_PREFETCH) {
1585 for my $path (keys %MAP_PREFETCH) {
1586 my $map = find $path
1587 or next;
1588 $map->load;
1589
1590 delete $MAP_PREFETCH{$path};
1591 }
1592 }
1593 undef $MAP_PREFETCHER;
1594 };
1444 $MAP_PREFETCHER->ready; 1595 $MAP_PREFETCHER->prio (6);
1445 1596
1446 () 1597 ()
1447} 1598}
1448 1599
1449sub save { 1600sub save {
1494 1645
1495sub reset_at { 1646sub reset_at {
1496 my ($self) = @_; 1647 my ($self) = @_;
1497 1648
1498 # TODO: safety, remove and allow resettable per-player maps 1649 # TODO: safety, remove and allow resettable per-player maps
1499 return 1e99 if $self->isa ("ext::map_per_player"); 1650 return 1e99 if $self->isa ("ext::map_per_player");#d#
1500 return 1e99 if $self->{deny_reset}; 1651 return 1e99 if $self->{deny_reset};
1501 1652
1502 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1653 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1654 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504 1655
1509 my ($self) = @_; 1660 my ($self) = @_;
1510 1661
1511 $self->reset_at <= $cf::RUNTIME 1662 $self->reset_at <= $cf::RUNTIME
1512} 1663}
1513 1664
1514sub rename {
1515 my ($self, $new_path) = @_;
1516
1517 normalise $new_path;
1518
1519 $self->unlink_save;
1520
1521 delete $cf::MAP{$self->path};
1522 $self->{path} = $new_path; $self->path ($self->{path});
1523 $cf::MAP{$self->path} = $self;
1524
1525 $self->save;
1526}
1527
1528sub reset { 1665sub reset {
1529 my ($self) = @_; 1666 my ($self) = @_;
1530 1667
1531 my $lock = cf::lock_acquire "map_data:$self->{path}"; 1668 my $lock = cf::lock_acquire "map_data:$self->{path}";
1532 1669
1533 return if $self->players; 1670 return if $self->players;
1534 return if $self->isa ("ext::map_per_player");#d# 1671 return if $self->isa ("ext::map_per_player");#d#
1535 1672
1536 warn "resetting map ", $self->path;#d# 1673 warn "resetting map ", $self->path;#d#
1537 1674
1675 $self->in_memory (cf::MAP_SWAPPED);
1676
1677 # need to save uniques path
1678 unless ($self->{deny_save}) {
1679 my $uniq = $self->uniq_path; utf8::encode $uniq;
1680
1681 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1682 if $uniq;
1683 }
1684
1538 delete $cf::MAP{$self->path}; 1685 delete $cf::MAP{$self->path};
1539 1686
1540 $self->in_memory (cf::MAP_SWAPPED);
1541 $self->clear; 1687 $self->clear;
1542 1688
1543 $_->clear_links_to ($self) for values %cf::MAP; 1689 $_->clear_links_to ($self) for values %cf::MAP;
1544 1690
1545 $self->unlink_save; 1691 $self->unlink_save;
1549my $nuke_counter = "aaaa"; 1695my $nuke_counter = "aaaa";
1550 1696
1551sub nuke { 1697sub nuke {
1552 my ($self) = @_; 1698 my ($self) = @_;
1553 1699
1700 delete $cf::MAP{$self->path};
1701
1702 $self->unlink_save;
1703
1704 bless $self, "cf::map";
1705 delete $self->{deny_reset};
1554 $self->{deny_save} = 1; 1706 $self->{deny_save} = 1;
1555 $self->reset_timeout (1); 1707 $self->reset_timeout (1);
1556 $self->rename ("{nuke}/" . ($nuke_counter++)); 1708 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1709
1710 $cf::MAP{$self->path} = $self;
1711
1557 $self->reset; # polite request, might not happen 1712 $self->reset; # polite request, might not happen
1558} 1713}
1559 1714
1560=item cf::map::unique_maps 1715=item cf::map::unique_maps
1561 1716
1573 for (@$files) { 1728 for (@$files) {
1574 utf8::decode $_; 1729 utf8::decode $_;
1575 next if /\.pst$/; 1730 next if /\.pst$/;
1576 next unless /^$PATH_SEP/o; 1731 next unless /^$PATH_SEP/o;
1577 1732
1578 s/\.map$//; 1733 push @paths, cf::map::normalise $_;
1579 push @paths, $_;
1580 } 1734 }
1581 1735
1582 \@paths 1736 \@paths
1583} 1737}
1584 1738
1678=cut 1832=cut
1679 1833
1680sub link_map { 1834sub link_map {
1681 unless ($LINK_MAP) { 1835 unless ($LINK_MAP) {
1682 $LINK_MAP = cf::map::find "{link}" 1836 $LINK_MAP = cf::map::find "{link}"
1683 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 1837 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684 $LINK_MAP->load; 1838 $LINK_MAP->load;
1685 } 1839 }
1686 1840
1687 $LINK_MAP 1841 $LINK_MAP
1688} 1842}
1695 return if UNIVERSAL::isa $self->map, "ext::map_link"; 1849 return if UNIVERSAL::isa $self->map, "ext::map_link";
1696 1850
1697 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1851 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698 if $self->map; 1852 if $self->map;
1699 1853
1700 $self->enter_map ($LINK_MAP || link_map, 20, 20); 1854 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1701} 1855}
1702 1856
1703sub cf::object::player::leave_link { 1857sub cf::object::player::leave_link {
1704 my ($self, $map, $x, $y) = @_; 1858 my ($self, $map, $x, $y) = @_;
1705 1859
1727 $map->load; 1881 $map->load;
1728 $map->load_diag; 1882 $map->load_diag;
1729 1883
1730 return unless $self->contr->active; 1884 return unless $self->contr->active;
1731 $self->activate_recursive; 1885 $self->activate_recursive;
1886
1887 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732 $self->enter_map ($map, $x, $y); 1888 $self->enter_map ($map, $x, $y);
1733} 1889}
1734 1890
1735cf::player->attach ( 1891cf::player->attach (
1736 on_logout => sub { 1892 on_logout => sub {
1749 # try to abort aborted map switching on player login :) 1905 # try to abort aborted map switching on player login :)
1750 # should happen only on crashes 1906 # should happen only on crashes
1751 if ($pl->ob->{_link_pos}) { 1907 if ($pl->ob->{_link_pos}) {
1752 $pl->ob->enter_link; 1908 $pl->ob->enter_link;
1753 (async { 1909 (async {
1754 # we need this sleep as the login has a concurrent enter_exit running
1755 # and this sleep increases chances of the player not ending up in scorn
1756 $pl->ob->reply (undef, 1910 $pl->ob->reply (undef,
1757 "There was an internal problem at your last logout, " 1911 "There was an internal problem at your last logout, "
1758 . "the server will try to bring you to your intended destination in a second.", 1912 . "the server will try to bring you to your intended destination in a second.",
1759 cf::NDI_RED); 1913 cf::NDI_RED);
1914 # we need this sleep as the login has a concurrent enter_exit running
1915 # and this sleep increases chances of the player not ending up in scorn
1760 Coro::Timer::sleep 1; 1916 Coro::Timer::sleep 1;
1761 $pl->ob->leave_link; 1917 $pl->ob->leave_link;
1762 })->prio (2); 1918 })->prio (2);
1763 } 1919 }
1764 }, 1920 },
1772 my ($self, $path, $x, $y) = @_; 1928 my ($self, $path, $x, $y) = @_;
1773 1929
1774 $self->enter_link; 1930 $self->enter_link;
1775 1931
1776 (async { 1932 (async {
1933 my $map = eval {
1777 my $map = cf::map::find $path; 1934 my $map = cf::map::find $path;
1778 $map = $map->customise_for ($self) if $map; 1935 $map = $map->customise_for ($self) if $map;
1779 1936 $map
1780# warn "entering ", $map->path, " at ($x, $y)\n" 1937 } or
1781# if $map;
1782
1783 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1938 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1784 1939
1785 $self->leave_link ($map, $x, $y); 1940 $self->leave_link ($map, $x, $y);
1786 })->prio (1); 1941 })->prio (1);
1787} 1942}
1788 1943
1792 1947
1793sub parse_random_map_params { 1948sub parse_random_map_params {
1794 my ($spec) = @_; 1949 my ($spec) = @_;
1795 1950
1796 my $rmp = { # defaults 1951 my $rmp = { # defaults
1797 xsize => 10, 1952 xsize => (cf::rndm 15, 40),
1798 ysize => 10, 1953 ysize => (cf::rndm 15, 40),
1954 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1955 #layout => string,
1799 }; 1956 };
1800 1957
1801 for (split /\n/, $spec) { 1958 for (split /\n/, $spec) {
1802 my ($k, $v) = split /\s+/, $_, 2; 1959 my ($k, $v) = split /\s+/, $_, 2;
1803 1960
1807 $rmp 1964 $rmp
1808} 1965}
1809 1966
1810sub prepare_random_map { 1967sub prepare_random_map {
1811 my ($exit) = @_; 1968 my ($exit) = @_;
1969
1970 my $guard = cf::lock_acquire "exit_prepare:$exit";
1812 1971
1813 # all this does is basically replace the /! path by 1972 # all this does is basically replace the /! path by
1814 # a new random map path (?random/...) with a seed 1973 # a new random map path (?random/...) with a seed
1815 # that depends on the exit object 1974 # that depends on the exit object
1816 1975
1817 my $rmp = parse_random_map_params $exit->msg; 1976 my $rmp = parse_random_map_params $exit->msg;
1818 1977
1819 if ($exit->map) { 1978 if ($exit->map) {
1820 $rmp->{region} = $exit->map->region_name; 1979 $rmp->{region} = $exit->region->name;
1821 $rmp->{origin_map} = $exit->map->path; 1980 $rmp->{origin_map} = $exit->map->path;
1822 $rmp->{origin_x} = $exit->x; 1981 $rmp->{origin_x} = $exit->x;
1823 $rmp->{origin_y} = $exit->y; 1982 $rmp->{origin_y} = $exit->y;
1824 } 1983 }
1825 1984
1826 $rmp->{random_seed} ||= $exit->random_seed; 1985 $rmp->{random_seed} ||= $exit->random_seed;
1827 1986
1828 my $data = cf::to_json $rmp; 1987 my $data = cf::to_json $rmp;
1829 my $md5 = Digest::MD5::md5_hex $data; 1988 my $md5 = Digest::MD5::md5_hex $data;
1989 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1830 1990
1831 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1991 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1832 aio_write $fh, 0, (length $data), $data, 0; 1992 aio_write $fh, 0, (length $data), $data, 0;
1993 undef $fh;
1994 aio_rename "$meta~", $meta;
1833 1995
1834 $exit->slaying ("?random/$md5"); 1996 $exit->slaying ("?random/$md5");
1835 $exit->msg (undef); 1997 $exit->msg (undef);
1836 } 1998 }
1837} 1999}
1838 2000
1839sub cf::object::player::enter_exit { 2001sub cf::object::player::enter_exit {
1840 my ($self, $exit) = @_; 2002 my ($self, $exit) = @_;
1841 2003
1842 return unless $self->type == cf::PLAYER; 2004 return unless $self->type == cf::PLAYER;
2005
2006 if ($exit->slaying eq "/!") {
2007 #TODO: this should de-fi-ni-te-ly not be a sync-job
2008 # the problem is that $exit might not survive long enough
2009 # so it needs to be done right now, right here
2010 cf::sync_job { prepare_random_map $exit };
2011 }
2012
2013 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2014 my $hp = $exit->stats->hp;
2015 my $sp = $exit->stats->sp;
1843 2016
1844 $self->enter_link; 2017 $self->enter_link;
1845 2018
1846 (async { 2019 (async {
1847 $self->deactivate_recursive; # just to be sure 2020 $self->deactivate_recursive; # just to be sure
1848 unless (eval { 2021 unless (eval {
1849 prepare_random_map $exit 2022 $self->goto ($slaying, $hp, $sp);
1850 if $exit->slaying eq "/!";
1851
1852 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1853 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1854 2023
1855 1; 2024 1;
1856 }) { 2025 }) {
1857 $self->message ("Something went wrong deep within the crossfire server. " 2026 $self->message ("Something went wrong deep within the crossfire server. "
1858 . "I'll try to bring you back to the map you were before. " 2027 . "I'll try to bring you back to the map you were before. "
1859 . "Please report this to the dungeon master!", 2028 . "Please report this to the dungeon master!",
1860 cf::NDI_UNIQUE | cf::NDI_RED); 2029 cf::NDI_UNIQUE | cf::NDI_RED);
1861 2030
1862 warn "ERROR in enter_exit: $@"; 2031 warn "ERROR in enter_exit: $@";
1863 $self->leave_link; 2032 $self->leave_link;
1864 } 2033 }
1865 })->prio (1); 2034 })->prio (1);
1878 2047
1879sub cf::client::send_drawinfo { 2048sub cf::client::send_drawinfo {
1880 my ($self, $text, $flags) = @_; 2049 my ($self, $text, $flags) = @_;
1881 2050
1882 utf8::encode $text; 2051 utf8::encode $text;
1883 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2052 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884} 2053}
1885 2054
2055=item $client->ext_event ($type, %msg)
2056
2057Sends an exti event to the client.
2058
2059=cut
2060
2061sub cf::client::ext_event($$%) {
2062 my ($self, $type, %msg) = @_;
2063
2064 $msg{msgtype} = "event_$type";
2065 $self->send_packet ("ext " . cf::to_json \%msg);
2066}
1886 2067
1887=item $success = $client->query ($flags, "text", \&cb) 2068=item $success = $client->query ($flags, "text", \&cb)
1888 2069
1889Queues a query to the client, calling the given callback with 2070Queues a query to the client, calling the given callback with
1890the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2071the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1919 # get handled first 2100 # get handled first
1920 my $queue = delete $ns->{query_queue} 2101 my $queue = delete $ns->{query_queue}
1921 or return; # be conservative, not sure how that can happen, but we saw a crash here 2102 or return; # be conservative, not sure how that can happen, but we saw a crash here
1922 2103
1923 (shift @$queue)->[1]->($msg); 2104 (shift @$queue)->[1]->($msg);
2105 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924 2106
1925 push @{ $ns->{query_queue} }, @$queue; 2107 push @{ $ns->{query_queue} }, @$queue;
1926 2108
1927 if (@{ $ns->{query_queue} } == @$queue) { 2109 if (@{ $ns->{query_queue} } == @$queue) {
1928 if (@$queue) { 2110 if (@$queue) {
1986 2168
1987# here we export the classes and methods available to script code 2169# here we export the classes and methods available to script code
1988 2170
1989=pod 2171=pod
1990 2172
1991The following fucntions and emthods are available within a safe environment: 2173The following functions and methods are available within a safe environment:
1992 2174
1993 cf::object contr pay_amount pay_player map 2175 cf::object contr pay_amount pay_player map
1994 cf::object::player player 2176 cf::object::player player
1995 cf::player peaceful 2177 cf::player peaceful
1996 cf::map trigger 2178 cf::map trigger
2089The parameter C<$family> should best start with the name of the extension 2271The parameter C<$family> should best start with the name of the extension
2090using it, it should be unique. 2272using it, it should be unique.
2091 2273
2092=over 4 2274=over 4
2093 2275
2094=item $hashref = cf::db_get $family
2095
2096Return a hashref for use by the extension C<$family>, which can be
2097modified. After modifications, you have to call C<cf::db_dirty> or
2098C<cf::db_sync>.
2099
2100=item $value = cf::db_get $family => $key 2276=item $value = cf::db_get $family => $key
2101 2277
2102Returns a single value from the database 2278Returns a single value from the database.
2103
2104=item cf::db_put $family => $hashref
2105
2106Stores the given family hashref into the database. Updates are delayed, if
2107you want the data to be synced to disk immediately, use C<cf::db_sync>.
2108 2279
2109=item cf::db_put $family => $key => $value 2280=item cf::db_put $family => $key => $value
2110 2281
2111Stores the given C<$value> in the family hash. Updates are delayed, if you 2282Stores the given C<$value> in the family.
2112want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114=item cf::db_dirty
2115
2116Marks the database as dirty, to be updated at a later time.
2117
2118=item cf::db_sync
2119
2120Immediately write the database to disk I<if it is dirty>.
2121 2283
2122=cut 2284=cut
2123 2285
2124our $DB; 2286our $DB;
2125 2287
2126{ 2288sub db_init {
2289 unless ($DB) {
2290 $DB = BDB::db_create $DB_ENV;
2291
2292 cf::sync_job {
2293 eval {
2294 $DB->set_flags (BDB::CHKSUM);
2295
2296 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2297 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2298 cf::cleanup "db_open(db): $!" if $!;
2299 };
2300 cf::cleanup "db_open(db): $@" if $@;
2301 };
2302
2127 my $path = cf::localdir . "/database.pst"; 2303 my $path = cf::localdir . "/database.pst";
2304 if (stat $path) {
2305 cf::sync_job {
2306 my $pst = Storable::retrieve $path;
2128 2307
2129 sub db_load() { 2308 cf::db_put (board => data => $pst->{board});
2130 $DB = stat $path ? Storable::retrieve $path : { }; 2309 cf::db_put (guildrules => data => $pst->{guildrules});
2131 } 2310 cf::db_put (rent => balance => $pst->{rent}{balance});
2311 BDB::db_env_txn_checkpoint $DB_ENV;
2132 2312
2133 my $pid; 2313 unlink $path;
2134
2135 sub db_save() {
2136 waitpid $pid, 0 if $pid;
2137 if (0 == ($pid = fork)) {
2138 $DB->{_meta}{version} = 1;
2139 Storable::nstore $DB, "$path~";
2140 rename "$path~", $path;
2141 cf::_exit 0 if defined $pid;
2142 } 2314 };
2143 }
2144
2145 my $dirty;
2146
2147 sub db_sync() {
2148 db_save if $dirty;
2149 undef $dirty;
2150 }
2151
2152 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153 db_sync;
2154 });
2155
2156 sub db_dirty() {
2157 $dirty = 1;
2158 $idle->start;
2159 }
2160
2161 sub db_get($;$) {
2162 @_ >= 2
2163 ? $DB->{$_[0]}{$_[1]}
2164 : ($DB->{$_[0]} ||= { })
2165 }
2166
2167 sub db_put($$;$) {
2168 if (@_ >= 3) {
2169 $DB->{$_[0]}{$_[1]} = $_[2];
2170 } else {
2171 $DB->{$_[0]} = $_[1];
2172 }
2173 db_dirty;
2174 }
2175
2176 cf::global->attach (
2177 prio => 10000,
2178 on_cleanup => sub {
2179 db_sync;
2180 }, 2315 }
2181 ); 2316 }
2317}
2318
2319sub db_get($$) {
2320 my $key = "$_[0]/$_[1]";
2321
2322 cf::sync_job {
2323 BDB::db_get $DB, undef, $key, my $data;
2324
2325 $! ? ()
2326 : Compress::LZF::sthaw $data
2327 }
2328}
2329
2330sub db_put($$$) {
2331 BDB::dbreq_pri 4;
2332 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2182} 2333}
2183 2334
2184############################################################################# 2335#############################################################################
2185# the server's main() 2336# the server's init and main functions
2337
2338sub load_facedata {
2339 my $path = sprintf "%s/facedata", cf::datadir;
2340
2341 warn "loading facedata from $path\n";
2342
2343 my $facedata;
2344 0 < aio_load $path, $facedata
2345 or die "$path: $!";
2346
2347 $facedata = Coro::Storable::thaw $facedata;
2348
2349 $facedata->{version} == 2
2350 or cf::cleanup "$path: version mismatch, cannot proceed.";
2351
2352 {
2353 my $faces = $facedata->{faceinfo};
2354
2355 while (my ($face, $info) = each %$faces) {
2356 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2357 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2358 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2359 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2360 Coro::cede;
2361 }
2362
2363 while (my ($face, $info) = each %$faces) {
2364 next unless $info->{smooth};
2365 my $idx = cf::face::find $face
2366 or next;
2367 if (my $smooth = cf::face::find $info->{smooth}) {
2368 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2369 } else {
2370 warn "smooth face '$info->{smooth}' not found for face '$face'";
2371 }
2372 Coro::cede;
2373 }
2374 }
2375
2376 {
2377 my $anims = $facedata->{animinfo};
2378
2379 while (my ($anim, $info) = each %$anims) {
2380 cf::anim::set $anim, $info->{frames}, $info->{facings};
2381 Coro::cede;
2382 }
2383
2384 cf::anim::invalidate_all; # d'oh
2385 }
2386
2387 1
2388}
2389
2390sub reload_resources {
2391 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2392 or die "unable to load regions file\n";#d#
2393 load_facedata
2394 or die "unable to load facedata\n";#d#
2395}
2396
2397sub init {
2398 reload_resources;
2399}
2186 2400
2187sub cfg_load { 2401sub cfg_load {
2188 open my $fh, "<:utf8", cf::confdir . "/config" 2402 open my $fh, "<:utf8", cf::confdir . "/config"
2189 or return; 2403 or return;
2190 2404
2207 2421
2208sub main { 2422sub main {
2209 # we must not ever block the main coroutine 2423 # we must not ever block the main coroutine
2210 local $Coro::idle = sub { 2424 local $Coro::idle = sub {
2211 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2425 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2426 (async {
2212 async { Event::one_event }; 2427 Event::one_event;
2428 })->prio (Coro::PRIO_MAX);
2213 }; 2429 };
2214 2430
2215 cfg_load; 2431 cfg_load;
2216 db_load; 2432 db_init;
2217 load_extensions; 2433 load_extensions;
2434
2435 $TICK_WATCHER->start;
2218 Event::loop; 2436 Event::loop;
2219} 2437}
2220 2438
2221############################################################################# 2439#############################################################################
2222# initialisation and cleanup 2440# initialisation and cleanup
2223 2441
2224# install some emergency cleanup handlers 2442# install some emergency cleanup handlers
2225BEGIN { 2443BEGIN {
2226 for my $signal (qw(INT HUP TERM)) { 2444 for my $signal (qw(INT HUP TERM)) {
2227 Event->signal ( 2445 Event->signal (
2446 reentrant => 0,
2228 data => WF_AUTOCANCEL, 2447 data => WF_AUTOCANCEL,
2229 signal => $signal, 2448 signal => $signal,
2449 prio => 0,
2230 cb => sub { 2450 cb => sub {
2231 cf::cleanup "SIG$signal"; 2451 cf::cleanup "SIG$signal";
2232 }, 2452 },
2233 ); 2453 );
2234 } 2454 }
2235} 2455}
2256 my $map = $cf::MAP{$path} or next; 2476 my $map = $cf::MAP{$path} or next;
2257 $map->valid or next; 2477 $map->valid or next;
2258 $map->save; 2478 $map->save;
2259 } 2479 }
2260 warn "end emergency map save\n"; 2480 warn "end emergency map save\n";
2481
2482 warn "begin emergency database checkpoint\n";
2483 BDB::db_env_txn_checkpoint $DB_ENV;
2484 warn "end emergency database checkpoint\n";
2261 }; 2485 };
2262 2486
2263 warn "leave emergency perl save\n"; 2487 warn "leave emergency perl save\n";
2488}
2489
2490sub post_cleanup {
2491 my ($make_core) = @_;
2492
2493 warn Carp::longmess "post_cleanup backtrace"
2494 if $make_core;
2264} 2495}
2265 2496
2266sub reload() { 2497sub reload() {
2267 # can/must only be called in main 2498 # can/must only be called in main
2268 if ($Coro::current != $Coro::main) { 2499 if ($Coro::current != $Coro::main) {
2269 warn "can only reload from main coroutine\n"; 2500 warn "can only reload from main coroutine";
2270 return; 2501 return;
2271 } 2502 }
2272 2503
2273 warn "reloading..."; 2504 warn "reloading...";
2274 2505
2275 warn "freezing server"; 2506 warn "entering sync_job";
2276 my $guard = freeze_mainloop; 2507
2508 cf::sync_job {
2509 cf::write_runtime; # external watchdog should not bark
2277 cf::emergency_save; 2510 cf::emergency_save;
2511 cf::write_runtime; # external watchdog should not bark
2278 2512
2279 warn "sync database to disk"; 2513 warn "syncing database to disk";
2280 cf::db_sync; 2514 BDB::db_env_txn_checkpoint $DB_ENV;
2281 IO::AIO::flush;
2282 2515
2283 eval {
2284 # if anything goes wrong in here, we should simply crash as we already saved 2516 # if anything goes wrong in here, we should simply crash as we already saved
2285 2517
2286 warn "cancel all watchers"; 2518 warn "cancelling all WF_AUTOCANCEL watchers";
2287 for (Event::all_watchers) { 2519 for (Event::all_watchers) {
2288 $_->cancel if $_->data & WF_AUTOCANCEL; 2520 $_->cancel if $_->data & WF_AUTOCANCEL;
2289 } 2521 }
2290 2522
2523 warn "flushing outstanding aio requests";
2524 for (;;) {
2525 BDB::flush;
2526 IO::AIO::flush;
2527 Coro::cede;
2528 last unless IO::AIO::nreqs || BDB::nreqs;
2529 warn "iterate...";
2530 }
2531
2532 ++$RELOAD;
2533
2291 warn "cancel all extension coros"; 2534 warn "cancelling all extension coros";
2292 $_->cancel for values %EXT_CORO; 2535 $_->cancel for values %EXT_CORO;
2293 %EXT_CORO = (); 2536 %EXT_CORO = ();
2294 2537
2295 warn "remove commands"; 2538 warn "removing commands";
2296 %COMMAND = (); 2539 %COMMAND = ();
2297 2540
2298 warn "remove ext commands"; 2541 warn "removing ext commands";
2299 %EXTCMD = (); 2542 %EXTCMD = ();
2300 2543
2301 warn "unload/nuke all extensions"; 2544 warn "unloading/nuking all extensions";
2302 for my $pkg (@EXTS) { 2545 for my $pkg (@EXTS) {
2303 warn "... unloading $pkg"; 2546 warn "... unloading $pkg";
2304 2547
2305 if (my $cb = $pkg->can ("unload")) { 2548 if (my $cb = $pkg->can ("unload")) {
2306 eval { 2549 eval {
2311 2554
2312 warn "... nuking $pkg"; 2555 warn "... nuking $pkg";
2313 Symbol::delete_package $pkg; 2556 Symbol::delete_package $pkg;
2314 } 2557 }
2315 2558
2316 warn "unload all perl modules loaded from $LIBDIR"; 2559 warn "unloading all perl modules loaded from $LIBDIR";
2317 while (my ($k, $v) = each %INC) { 2560 while (my ($k, $v) = each %INC) {
2318 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2561 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319 2562
2320 warn "removing <$k>"; 2563 warn "... unloading $k";
2321 delete $INC{$k}; 2564 delete $INC{$k};
2322 2565
2323 $k =~ s/\.pm$//; 2566 $k =~ s/\.pm$//;
2324 $k =~ s/\//::/g; 2567 $k =~ s/\//::/g;
2325 2568
2328 } 2571 }
2329 2572
2330 Symbol::delete_package $k; 2573 Symbol::delete_package $k;
2331 } 2574 }
2332 2575
2333 warn "get rid of safe::, as good as possible"; 2576 warn "getting rid of safe::, as good as possible";
2334 Symbol::delete_package "safe::$_" 2577 Symbol::delete_package "safe::$_"
2335 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2578 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2336 2579
2337 warn "unload cf.pm \"a bit\""; 2580 warn "unloading cf.pm \"a bit\"";
2338 delete $INC{"cf.pm"}; 2581 delete $INC{"cf.pm"};
2339 2582
2340 # don't, removes xs symbols, too, 2583 # don't, removes xs symbols, too,
2341 # and global variables created in xs 2584 # and global variables created in xs
2342 #Symbol::delete_package __PACKAGE__; 2585 #Symbol::delete_package __PACKAGE__;
2343 2586
2587 warn "unload completed, starting to reload now";
2588
2344 warn "reloading cf.pm"; 2589 warn "reloading cf.pm";
2345 require cf; 2590 require cf;
2346 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2591 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347 2592
2348 warn "load config and database again"; 2593 warn "loading config and database again";
2349 cf::cfg_load; 2594 cf::cfg_load;
2350 cf::db_load;
2351 2595
2352 warn "load extensions"; 2596 warn "loading extensions";
2353 cf::load_extensions; 2597 cf::load_extensions;
2354 2598
2355 warn "reattach attachments to objects/players"; 2599 warn "reattaching attachments to objects/players";
2356 _global_reattach; 2600 _global_reattach; # objects, sockets
2357 warn "reattach attachments to maps"; 2601 warn "reattaching attachments to maps";
2358 reattach $_ for values %MAP; 2602 reattach $_ for values %MAP;
2359 }; 2603 warn "reattaching attachments to players";
2604 reattach $_ for values %PLAYER;
2360 2605
2361 if ($@) { 2606 warn "loading reloadable resources";
2607 reload_resources;
2608
2609 warn "leaving sync_job";
2610
2611 1
2612 } or do {
2362 warn $@; 2613 warn $@;
2363 warn "error while reloading, exiting."; 2614 warn "error while reloading, exiting.";
2364 exit 1; 2615 exit 1;
2365 } 2616 };
2366 2617
2367 warn "reloaded"; 2618 warn "reloaded";
2368}; 2619};
2369 2620
2621our $RELOAD_WATCHER; # used only during reload
2622
2370register_command "reload" => sub { 2623register_command "reload" => sub {
2371 my ($who, $arg) = @_; 2624 my ($who, $arg) = @_;
2372 2625
2373 if ($who->flag (FLAG_WIZ)) { 2626 if ($who->flag (FLAG_WIZ)) {
2374 $who->message ("start of reload."); 2627 $who->message ("reloading server.");
2628
2629 # doing reload synchronously and two reloads happen back-to-back,
2630 # coro crashes during coro_state_free->destroy here.
2631
2632 $RELOAD_WATCHER ||= Event->timer (
2633 reentrant => 0,
2634 after => 0,
2635 data => WF_AUTOCANCEL,
2636 cb => sub {
2375 reload; 2637 reload;
2376 $who->message ("end of reload."); 2638 undef $RELOAD_WATCHER;
2639 },
2640 );
2377 } 2641 }
2378}; 2642};
2379 2643
2380unshift @INC, $LIBDIR; 2644unshift @INC, $LIBDIR;
2645
2646my $bug_warning = 0;
2381 2647
2382$TICK_WATCHER = Event->timer ( 2648$TICK_WATCHER = Event->timer (
2383 reentrant => 0, 2649 reentrant => 0,
2650 parked => 1,
2384 prio => 0, 2651 prio => 0,
2385 at => $NEXT_TICK || $TICK, 2652 at => $NEXT_TICK || $TICK,
2386 data => WF_AUTOCANCEL, 2653 data => WF_AUTOCANCEL,
2387 cb => sub { 2654 cb => sub {
2655 if ($Coro::current != $Coro::main) {
2656 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2657 unless ++$bug_warning > 10;
2658 return;
2659 }
2660
2388 $NOW = Event::time; 2661 $NOW = Event::time;
2389 2662
2390 cf::server_tick; # one server iteration 2663 cf::server_tick; # one server iteration
2391 $RUNTIME += $TICK; 2664 $RUNTIME += $TICK;
2392 $NEXT_TICK += $TICK; 2665 $NEXT_TICK += $TICK;
2393 2666
2667 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2668 $NEXT_RUNTIME_WRITE = $NOW + 10;
2669 Coro::async_pool {
2670 write_runtime
2671 or warn "ERROR: unable to write runtime file: $!";
2672 };
2673 }
2674
2394 $WAIT_FOR_TICK->broadcast; 2675 $WAIT_FOR_TICK->broadcast;
2395 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2676 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2677
2678# my $AFTER = Event::time;
2679# warn $AFTER - $NOW;#d#
2396 2680
2397 # if we are delayed by four ticks or more, skip them all 2681 # if we are delayed by four ticks or more, skip them all
2398 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2682 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2399 2683
2400 $TICK_WATCHER->at ($NEXT_TICK); 2684 $TICK_WATCHER->at ($NEXT_TICK);
2401 $TICK_WATCHER->start; 2685 $TICK_WATCHER->start;
2402 }, 2686 },
2403); 2687);
2404 2688
2689{
2405IO::AIO::max_poll_time $TICK * 0.2; 2690 BDB::max_poll_time $TICK * 0.1;
2406 2691 $BDB_POLL_WATCHER = Event->io (
2407Event->io ( 2692 reentrant => 0,
2408 fd => IO::AIO::poll_fileno, 2693 fd => BDB::poll_fileno,
2409 poll => 'r', 2694 poll => 'r',
2410 prio => 5, 2695 prio => 0,
2411 data => WF_AUTOCANCEL,
2412 cb => \&IO::AIO::poll_cb,
2413);
2414
2415Event->timer (
2416 data => WF_AUTOCANCEL, 2696 data => WF_AUTOCANCEL,
2417 after => 0, 2697 cb => \&BDB::poll_cb,
2418 interval => 10, 2698 );
2419 cb => sub { 2699 BDB::min_parallel 8;
2420 (Coro::unblock_sub { 2700
2421 write_runtime 2701 BDB::set_sync_prepare {
2422 or warn "ERROR: unable to write runtime file: $!"; 2702 my $status;
2703 my $current = $Coro::current;
2704 (
2705 sub {
2706 $status = $!;
2707 $current->ready; undef $current;
2708 },
2709 sub {
2710 Coro::schedule while defined $current;
2711 $! = $status;
2712 },
2713 )
2714 };
2715
2716 unless ($DB_ENV) {
2717 $DB_ENV = BDB::db_env_create;
2718
2719 cf::sync_job {
2720 eval {
2721 BDB::db_env_open
2722 $DB_ENV,
2723 $BDB_ENV_DIR,
2724 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2725 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2726 0666;
2727
2728 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2729
2730 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2731 $DB_ENV->set_lk_detect;
2732 };
2733
2734 cf::cleanup "db_env_open(db): $@" if $@;
2423 })->(); 2735 };
2424 }, 2736 }
2425); 2737}
2738
2739{
2740 IO::AIO::min_parallel 8;
2741
2742 undef $Coro::AIO::WATCHER;
2743 IO::AIO::max_poll_time $TICK * 0.1;
2744 $AIO_POLL_WATCHER = Event->io (
2745 reentrant => 0,
2746 data => WF_AUTOCANCEL,
2747 fd => IO::AIO::poll_fileno,
2748 poll => 'r',
2749 prio => 6,
2750 cb => \&IO::AIO::poll_cb,
2751 );
2752}
2426 2753
2427END { cf::emergency_save } 2754END { cf::emergency_save }
2428 2755
24291 27561
2430 2757

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