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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.187 by root, Sat Jan 20 21:06:52 2007 UTC vs.
Revision 1.244 by root, Mon Apr 16 13:28:00 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 3.4 (); 14use Coro 3.61 ();
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;
49our $AIO_POLL_WATCHER; 61our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER; 62our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 63our $NEXT_TICK;
52our $NOW; 64our $NOW;
65our $USE_FSYNC = 1; # use fsync to write maps - default off
66
67our $BDB_POLL_WATCHER;
68our $DB_ENV;
53 69
54our %CFG; 70our %CFG;
55 71
56our $UPTIME; $UPTIME ||= time; 72our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 73our $RUNTIME;
58 74
59our %PLAYER; # all users 75our %PLAYER; # all users
60our %MAP; # all maps 76our %MAP; # all maps
61our $LINK_MAP; # the special {link} map, which is always available 77our $LINK_MAP; # the special {link} map, which is always available
62our $RANDOM_MAPS = cf::localdir . "/random"; 78our $RANDOM_MAPS = cf::localdir . "/random";
63 79our $BDB_ENV_DIR = cf::localdir . "/db";
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66 80
67# used to convert map paths into valid unix filenames by replacing / by ∕ 81# used to convert map paths into valid unix filenames by replacing / by ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 82our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69 83
70binmode STDOUT; 84binmode STDOUT;
80mkdir cf::localdir; 94mkdir cf::localdir;
81mkdir cf::localdir . "/" . cf::playerdir; 95mkdir cf::localdir . "/" . cf::playerdir;
82mkdir cf::localdir . "/" . cf::tmpdir; 96mkdir cf::localdir . "/" . cf::tmpdir;
83mkdir cf::localdir . "/" . cf::uniquedir; 97mkdir cf::localdir . "/" . cf::uniquedir;
84mkdir $RANDOM_MAPS; 98mkdir $RANDOM_MAPS;
99mkdir $BDB_ENV_DIR;
85 100
86our $EMERGENCY_POSITION; 101our $EMERGENCY_POSITION;
102
103sub cf::map::normalise;
87 104
88############################################################################# 105#############################################################################
89 106
90=head2 GLOBAL VARIABLES 107=head2 GLOBAL VARIABLES
91 108
116=item %cf::CFG 133=item %cf::CFG
117 134
118Configuration for the server, loaded from C</etc/crossfire/config>, or 135Configuration for the server, loaded from C</etc/crossfire/config>, or
119from wherever your confdir points to. 136from wherever your confdir points to.
120 137
121=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 138=item cf::wait_for_tick, cf::wait_for_tick_begin
122 139
123These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 140These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 141returns directly I<after> the tick processing (and consequently, can only wake one process
125processing has been done. Call C<< ->wait >> on them to maximise the 142per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126window of cpu time available, or simply to synchronise to the server tick.
127 143
128=back 144=back
129 145
130=cut 146=cut
131 147
190 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 206 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191 $d 207 $d
192 } || "[unable to dump $_[0]: '$@']"; 208 } || "[unable to dump $_[0]: '$@']";
193} 209}
194 210
195use JSON::Syck (); # TODO# replace by JSON::PC once working 211use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
196 212
197=item $ref = cf::from_json $json 213=item $ref = cf::from_json $json
198 214
199Converts a JSON string into the corresponding perl data structure. 215Converts a JSON string into the corresponding perl data structure.
200 216
201=cut
202
203sub from_json($) {
204 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205 JSON::Syck::Load $_[0]
206}
207
208=item $json = cf::to_json $ref 217=item $json = cf::to_json $ref
209 218
210Converts a perl data structure into its JSON representation. 219Converts a perl data structure into its JSON representation.
211
212=cut
213
214sub to_json($) {
215 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
216 JSON::Syck::Dump $_[0]
217}
218 220
219=item cf::lock_wait $string 221=item cf::lock_wait $string
220 222
221Wait until the given lock is available. See cf::lock_acquire. 223Wait until the given lock is available. See cf::lock_acquire.
222 224
261sub freeze_mainloop { 263sub freeze_mainloop {
262 return unless $TICK_WATCHER->is_active; 264 return unless $TICK_WATCHER->is_active;
263 265
264 my $guard = Coro::guard { 266 my $guard = Coro::guard {
265 $TICK_WATCHER->start; 267 $TICK_WATCHER->start;
266 $WRITE_RUNTIME_WATCHER->start;
267 }; 268 };
268 $WRITE_RUNTIME_WATCHER->stop;
269 $TICK_WATCHER->stop; 269 $TICK_WATCHER->stop;
270 $guard 270 $guard
271} 271}
272 272
273=item cf::async { BLOCK } 273=item cf::async { BLOCK }
344 344
345 $coro 345 $coro
346} 346}
347 347
348sub write_runtime { 348sub write_runtime {
349 my $guard = cf::lock_acquire "write_runtime";
350
349 my $runtime = cf::localdir . "/runtime"; 351 my $runtime = cf::localdir . "/runtime";
350 352
351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
352 or return; 354 or return;
353 355
356 # 60 allows for the watchdog to kill the server. 358 # 60 allows for the watchdog to kill the server.
357 359
358 (aio_write $fh, 0, (length $value), $value, 0) <= 0 360 (aio_write $fh, 0, (length $value), $value, 0) <= 0
359 and return; 361 and return;
360 362
363 # always fsync - this file is important
361 aio_fsync $fh 364 aio_fsync $fh
362 and return; 365 and return;
363 366
364 close $fh 367 close $fh
365 or return; 368 or return;
366 369
367 aio_rename "$runtime~", $runtime 370 aio_rename "$runtime~", $runtime
368 and return; 371 and return;
369 372
370 1 373 1
374}
375
376=item cf::datalog type => key => value, ...
377
378Log a datalog packet of the given type with the given key-value pairs.
379
380=cut
381
382sub datalog($@) {
383 my ($type, %kv) = @_;
384 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371} 385}
372 386
373=back 387=back
374 388
375=cut 389=cut
750 $filename, length $$rdata, scalar @$objs; 764 $filename, length $$rdata, scalar @$objs;
751 765
752 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 766 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753 chmod SAVE_MODE, $fh; 767 chmod SAVE_MODE, $fh;
754 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 768 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755 aio_fsync $fh; 769 aio_fsync $fh if $cf::USE_FSYNC;
756 close $fh; 770 close $fh;
757 771
758 if (@$objs) { 772 if (@$objs) {
759 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 773 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760 chmod SAVE_MODE, $fh; 774 chmod SAVE_MODE, $fh;
761 my $data = Storable::nfreeze { version => 1, objs => $objs }; 775 my $data = Storable::nfreeze { version => 1, objs => $objs };
762 aio_write $fh, 0, (length $data), $data, 0; 776 aio_write $fh, 0, (length $data), $data, 0;
763 aio_fsync $fh; 777 aio_fsync $fh if $cf::USE_FSYNC;
764 close $fh; 778 close $fh;
765 aio_rename "$filename.pst~", "$filename.pst"; 779 aio_rename "$filename.pst~", "$filename.pst";
766 } 780 }
767 } else { 781 } else {
768 aio_unlink "$filename.pst"; 782 aio_unlink "$filename.pst";
947} 961}
948 962
949sub path($) { 963sub path($) {
950 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 964 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951 965
952 (playerdir $login) . "/$login.pl" 966 (playerdir $login) . "/playerdata"
953} 967}
954 968
955sub find_active($) { 969sub find_active($) {
956 $cf::PLAYER{$_[0]} 970 $cf::PLAYER{$_[0]}
957 and $cf::PLAYER{$_[0]}->active 971 and $cf::PLAYER{$_[0]}->active
970 my $login = $_[0]; 984 my $login = $_[0];
971 985
972 my $guard = cf::lock_acquire "user_find:$login"; 986 my $guard = cf::lock_acquire "user_find:$login";
973 987
974 $cf::PLAYER{$_[0]} || do { 988 $cf::PLAYER{$_[0]} || do {
989 # rename old playerfiles to new ones
990 #TODO: remove when no longer required
991 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993 aio_unlink +(playerdir $login) . "/$login.pl.pst";
994 aio_unlink +(playerdir $login) . "/$login.pl";
995
975 my $pl = load_pl path $login 996 my $pl = load_pl path $login
976 or return; 997 or return;
977 $cf::PLAYER{$login} = $pl 998 $cf::PLAYER{$login} = $pl
978 } 999 }
979 } 1000 }
1016 1037
1017=cut 1038=cut
1018 1039
1019sub quit_character { 1040sub quit_character {
1020 my ($pl) = @_; 1041 my ($pl) = @_;
1042
1043 my $name = $pl->ob->name;
1021 1044
1022 $pl->{deny_save} = 1; 1045 $pl->{deny_save} = 1;
1023 $pl->password ("*"); # this should lock out the player until we nuked the dir 1046 $pl->password ("*"); # this should lock out the player until we nuked the dir
1024 1047
1025 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1048 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1030 my $path = playerdir $pl; 1053 my $path = playerdir $pl;
1031 my $temp = "$path~$cf::RUNTIME~deleting~"; 1054 my $temp = "$path~$cf::RUNTIME~deleting~";
1032 aio_rename $path, $temp; 1055 aio_rename $path, $temp;
1033 delete $cf::PLAYER{$pl->ob->name}; 1056 delete $cf::PLAYER{$pl->ob->name};
1034 $pl->destroy; 1057 $pl->destroy;
1058
1059 my $prefix = qr<^~\Q$name\E/>;
1060
1061 # nuke player maps
1062 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1063
1035 IO::AIO::aio_rmtree $temp; 1064 IO::AIO::aio_rmtree $temp;
1065}
1066
1067=item $pl->kick
1068
1069Kicks a player out of the game. This destroys the connection.
1070
1071=cut
1072
1073sub kick {
1074 my ($pl, $kicker) = @_;
1075
1076 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1077 $pl->killer ("kicked");
1078 $pl->ns->destroy;
1036} 1079}
1037 1080
1038=item cf::player::list_logins 1081=item cf::player::list_logins
1039 1082
1040Returns am arrayref of all valid playernames in the system, can take a 1083Returns am arrayref of all valid playernames in the system, can take a
1068=cut 1111=cut
1069 1112
1070sub maps($) { 1113sub maps($) {
1071 my ($pl) = @_; 1114 my ($pl) = @_;
1072 1115
1116 $pl = ref $pl ? $pl->ob->name : $pl;
1117
1073 my $files = aio_readdir playerdir $pl 1118 my $files = aio_readdir playerdir $pl
1074 or return; 1119 or return;
1075 1120
1076 my @paths; 1121 my @paths;
1077 1122
1078 for (@$files) { 1123 for (@$files) {
1079 utf8::decode $_; 1124 utf8::decode $_;
1080 next if /\.(?:pl|pst)$/; 1125 next if /\.(?:pl|pst)$/;
1081 next unless /^$PATH_SEP/o; 1126 next unless /^$PATH_SEP/o;
1082 1127
1083 s/\.map$//; 1128 push @paths, cf::map::normalise "~$pl/$_";
1084 push @paths, "~" . $pl->ob->name . "/" . $_;
1085 } 1129 }
1086 1130
1087 \@paths 1131 \@paths
1088} 1132}
1089 1133
1090=item $player->ext_reply ($msgid, $msgtype, %msg) 1134=item $player->ext_reply ($msgid, %msg)
1091 1135
1092Sends an ext reply to the player. 1136Sends an ext reply to the player.
1093 1137
1094=cut 1138=cut
1095 1139
1096sub ext_reply($$$%) { 1140sub ext_reply($$%) {
1097 my ($self, $id, %msg) = @_; 1141 my ($self, $id, %msg) = @_;
1098 1142
1099 $msg{msgid} = $id; 1143 $msg{msgid} = $id;
1100 1144
1101 $self->send ("ext " . cf::to_json \%msg); 1145 $self->send ("ext " . cf::to_json \%msg);
1102} 1146}
1103 1147
1104package cf; 1148=item $player->ext_event ($type, %msg)
1149
1150Sends an ext event to the client.
1151
1152=cut
1153
1154sub ext_event($$%) {
1155 my ($self, $type, %msg) = @_;
1156
1157 $self->ns->ext_event ($type, %msg);
1158}
1159
1160=head3 cf::region
1161
1162=over 4
1163
1164=cut
1165
1166package cf::region;
1167
1168=item cf::region::find_by_path $path
1169
1170Tries to decuce the probable region for a map knowing only its path.
1171
1172=cut
1173
1174sub find_by_path($) {
1175 my ($path) = @_;
1176
1177 my ($match, $specificity);
1178
1179 for my $region (list) {
1180 if ($region->match && $path =~ $region->match) {
1181 ($match, $specificity) = ($region, $region->specificity)
1182 if $region->specificity > $specificity;
1183 }
1184 }
1185
1186 $match
1187}
1105 1188
1106=back 1189=back
1107
1108 1190
1109=head3 cf::map 1191=head3 cf::map
1110 1192
1111=over 4 1193=over 4
1112 1194
1176} 1258}
1177 1259
1178sub normalise { 1260sub normalise {
1179 my ($path, $base) = @_; 1261 my ($path, $base) = @_;
1180 1262
1263 $path = "$path"; # make sure its a string
1264
1265 $path =~ s/\.map$//;
1266
1181 # map plan: 1267 # map plan:
1182 # 1268 #
1183 # /! non-realised random map exit (special hack!) 1269 # /! non-realised random map exit (special hack!)
1184 # {... are special paths that are not being touched 1270 # {... are special paths that are not being touched
1185 # ?xxx/... are special absolute paths 1271 # ?xxx/... are special absolute paths
1221 $self->init; # pass $1 etc. 1307 $self->init; # pass $1 etc.
1222 return $self; 1308 return $self;
1223 } 1309 }
1224 } 1310 }
1225 1311
1226 Carp::carp "unable to resolve path '$path'."; 1312 Carp::carp "unable to resolve path '$path' (base '$base').";
1227 () 1313 ()
1228} 1314}
1229 1315
1230sub init { 1316sub init {
1231 my ($self) = @_; 1317 my ($self) = @_;
1246 1332
1247# the original (read-only) location 1333# the original (read-only) location
1248sub load_path { 1334sub load_path {
1249 my ($self) = @_; 1335 my ($self) = @_;
1250 1336
1251 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1337 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1252} 1338}
1253 1339
1254# the temporary/swap location 1340# the temporary/swap location
1255sub save_path { 1341sub save_path {
1256 my ($self) = @_; 1342 my ($self) = @_;
1257 1343
1258 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1344 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1345 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1260} 1346}
1261 1347
1262# the unique path, undef == no special unique path 1348# the unique path, undef == no special unique path
1263sub uniq_path { 1349sub uniq_path {
1264 my ($self) = @_; 1350 my ($self) = @_;
1286 1372
1287sub load_header_from($) { 1373sub load_header_from($) {
1288 my ($self, $path) = @_; 1374 my ($self, $path) = @_;
1289 1375
1290 utf8::encode $path; 1376 utf8::encode $path;
1291 aio_open $path, O_RDONLY, 0 1377 #aio_open $path, O_RDONLY, 0
1292 or return; 1378 # or return;
1293 1379
1294 $self->_load_header ($path) 1380 $self->_load_header ($path)
1295 or return; 1381 or return;
1296 1382
1297 $self->{load_path} = $path; 1383 $self->{load_path} = $path;
1298 1384
1299 1 1385 1
1300} 1386}
1301 1387
1302sub load_orig { 1388sub load_header_orig {
1303 my ($self) = @_; 1389 my ($self) = @_;
1304 1390
1305 $self->load_header_from ($self->load_path) 1391 $self->load_header_from ($self->load_path)
1306} 1392}
1307 1393
1308sub load_temp { 1394sub load_header_temp {
1309 my ($self) = @_; 1395 my ($self) = @_;
1310 1396
1311 $self->load_header_from ($self->save_path) 1397 $self->load_header_from ($self->save_path)
1398}
1399
1400sub prepare_temp {
1401 my ($self) = @_;
1402
1403 $self->last_access ((delete $self->{last_access})
1404 || $cf::RUNTIME); #d#
1405 # safety
1406 $self->{instantiate_time} = $cf::RUNTIME
1407 if $self->{instantiate_time} > $cf::RUNTIME;
1408}
1409
1410sub prepare_orig {
1411 my ($self) = @_;
1412
1413 $self->{load_original} = 1;
1414 $self->{instantiate_time} = $cf::RUNTIME;
1415 $self->last_access ($cf::RUNTIME);
1416 $self->instantiate;
1312} 1417}
1313 1418
1314sub load_header { 1419sub load_header {
1315 my ($self) = @_; 1420 my ($self) = @_;
1316 1421
1317 if ($self->load_temp) { 1422 if ($self->load_header_temp) {
1318 $self->last_access ((delete $self->{last_access}) 1423 $self->prepare_temp;
1319 || $cf::RUNTIME); #d#
1320 # safety
1321 $self->{instantiate_time} = $cf::RUNTIME
1322 if $self->{instantiate_time} > $cf::RUNTIME;
1323 } else { 1424 } else {
1324 $self->load_orig 1425 $self->load_header_orig
1325 or return; 1426 or return;
1326 1427 $self->prepare_orig;
1327 $self->{load_original} = 1;
1328 $self->{instantiate_time} = $cf::RUNTIME;
1329 $self->last_access ($cf::RUNTIME);
1330 $self->instantiate;
1331 } 1428 }
1429
1430 $self->default_region (cf::region::find_by_path $self->{path})
1431 unless $self->default_region;
1332 1432
1333 1 1433 1
1334} 1434}
1335 1435
1336sub find; 1436sub find;
1349 $map->{last_save} = $cf::RUNTIME; 1449 $map->{last_save} = $cf::RUNTIME;
1350 1450
1351 $map->load_header 1451 $map->load_header
1352 or return; 1452 or return;
1353 1453
1354 if ($map->should_reset) { 1454 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1355 # doing this can freeze the server in a sync job, obviously 1455 # doing this can freeze the server in a sync job, obviously
1356 #$cf::WAIT_FOR_TICK->wait; 1456 #$cf::WAIT_FOR_TICK->wait;
1357 $map->reset; 1457 $map->reset;
1358 undef $guard; 1458 undef $guard;
1359 $map = find $path 1459 return find $path;
1360 or return;
1361 } 1460 }
1362 1461
1363 $cf::MAP{$path} = $map 1462 $cf::MAP{$path} = $map
1364 } 1463 }
1365} 1464}
1465
1466sub pre_load { }
1467sub post_load { }
1366 1468
1367sub load { 1469sub load {
1368 my ($self) = @_; 1470 my ($self) = @_;
1369 1471
1472 local $self->{deny_reset} = 1; # loading can take a long time
1473
1370 my $path = $self->{path}; 1474 my $path = $self->{path};
1371 my $guard = cf::lock_acquire "map_load:$path"; 1475 my $guard = cf::lock_acquire "map_load:$path";
1372 1476
1373 return if $self->in_memory != cf::MAP_SWAPPED; 1477 return if $self->in_memory != cf::MAP_SWAPPED;
1374 1478
1375 $self->in_memory (cf::MAP_LOADING); 1479 $self->in_memory (cf::MAP_LOADING);
1376 1480
1377 $self->alloc; 1481 $self->alloc;
1482
1483 $self->pre_load;
1484 Coro::cede;
1485
1378 $self->_load_objects ($self->{load_path}, 1) 1486 $self->_load_objects ($self->{load_path}, 1)
1379 or return; 1487 or return;
1380 1488
1381 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1489 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1382 if delete $self->{load_original}; 1490 if delete $self->{load_original};
1388 $self->_load_objects ($uniq, 0); 1496 $self->_load_objects ($uniq, 0);
1389 } 1497 }
1390 } 1498 }
1391 1499
1392 Coro::cede; 1500 Coro::cede;
1393
1394 # now do the right thing for maps 1501 # now do the right thing for maps
1395 $self->link_multipart_objects; 1502 $self->link_multipart_objects;
1503 Coro::cede;
1396 1504
1397 unless ($self->{deny_activate}) { 1505 unless ($self->{deny_activate}) {
1398 $self->decay_objects; 1506 $self->decay_objects;
1399 $self->fix_auto_apply; 1507 $self->fix_auto_apply;
1400 $self->update_buttons; 1508 $self->update_buttons;
1402 $self->set_darkness_map; 1510 $self->set_darkness_map;
1403 $self->difficulty ($self->estimate_difficulty) 1511 $self->difficulty ($self->estimate_difficulty)
1404 unless $self->difficulty; 1512 unless $self->difficulty;
1405 Coro::cede; 1513 Coro::cede;
1406 $self->activate; 1514 $self->activate;
1515 Coro::cede;
1407 } 1516 }
1517
1518 $self->post_load;
1519 Coro::cede;
1408 1520
1409 $self->in_memory (cf::MAP_IN_MEMORY); 1521 $self->in_memory (cf::MAP_IN_MEMORY);
1410} 1522}
1411 1523
1412sub customise_for { 1524sub customise_for {
1477 delete $MAP_PREFETCH{$path}; 1589 delete $MAP_PREFETCH{$path};
1478 } 1590 }
1479 } 1591 }
1480 undef $MAP_PREFETCHER; 1592 undef $MAP_PREFETCHER;
1481 }; 1593 };
1594 $MAP_PREFETCHER->prio (6);
1482 1595
1483 () 1596 ()
1484} 1597}
1485 1598
1486sub save { 1599sub save {
1556 return if $self->players; 1669 return if $self->players;
1557 return if $self->isa ("ext::map_per_player");#d# 1670 return if $self->isa ("ext::map_per_player");#d#
1558 1671
1559 warn "resetting map ", $self->path;#d# 1672 warn "resetting map ", $self->path;#d#
1560 1673
1674 $self->in_memory (cf::MAP_SWAPPED);
1675
1676 # need to save uniques path
1677 unless ($self->{deny_save}) {
1678 my $uniq = $self->uniq_path; utf8::encode $uniq;
1679
1680 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1681 if $uniq;
1682 }
1683
1561 delete $cf::MAP{$self->path}; 1684 delete $cf::MAP{$self->path};
1562 1685
1563 $self->in_memory (cf::MAP_SWAPPED);
1564 $self->clear; 1686 $self->clear;
1565 1687
1566 $_->clear_links_to ($self) for values %cf::MAP; 1688 $_->clear_links_to ($self) for values %cf::MAP;
1567 1689
1568 $self->unlink_save; 1690 $self->unlink_save;
1605 for (@$files) { 1727 for (@$files) {
1606 utf8::decode $_; 1728 utf8::decode $_;
1607 next if /\.pst$/; 1729 next if /\.pst$/;
1608 next unless /^$PATH_SEP/o; 1730 next unless /^$PATH_SEP/o;
1609 1731
1610 s/\.map$//; 1732 push @paths, cf::map::normalise $_;
1611 push @paths, $_;
1612 } 1733 }
1613 1734
1614 \@paths 1735 \@paths
1615} 1736}
1616 1737
1710=cut 1831=cut
1711 1832
1712sub link_map { 1833sub link_map {
1713 unless ($LINK_MAP) { 1834 unless ($LINK_MAP) {
1714 $LINK_MAP = cf::map::find "{link}" 1835 $LINK_MAP = cf::map::find "{link}"
1715 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 1836 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1716 $LINK_MAP->load; 1837 $LINK_MAP->load;
1717 } 1838 }
1718 1839
1719 $LINK_MAP 1840 $LINK_MAP
1720} 1841}
1727 return if UNIVERSAL::isa $self->map, "ext::map_link"; 1848 return if UNIVERSAL::isa $self->map, "ext::map_link";
1728 1849
1729 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1850 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1730 if $self->map; 1851 if $self->map;
1731 1852
1732 $self->enter_map ($LINK_MAP || link_map, 20, 20); 1853 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1733} 1854}
1734 1855
1735sub cf::object::player::leave_link { 1856sub cf::object::player::leave_link {
1736 my ($self, $map, $x, $y) = @_; 1857 my ($self, $map, $x, $y) = @_;
1737 1858
1759 $map->load; 1880 $map->load;
1760 $map->load_diag; 1881 $map->load_diag;
1761 1882
1762 return unless $self->contr->active; 1883 return unless $self->contr->active;
1763 $self->activate_recursive; 1884 $self->activate_recursive;
1885
1886 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1764 $self->enter_map ($map, $x, $y); 1887 $self->enter_map ($map, $x, $y);
1765} 1888}
1766 1889
1767cf::player->attach ( 1890cf::player->attach (
1768 on_logout => sub { 1891 on_logout => sub {
1781 # try to abort aborted map switching on player login :) 1904 # try to abort aborted map switching on player login :)
1782 # should happen only on crashes 1905 # should happen only on crashes
1783 if ($pl->ob->{_link_pos}) { 1906 if ($pl->ob->{_link_pos}) {
1784 $pl->ob->enter_link; 1907 $pl->ob->enter_link;
1785 (async { 1908 (async {
1786 # we need this sleep as the login has a concurrent enter_exit running
1787 # and this sleep increases chances of the player not ending up in scorn
1788 $pl->ob->reply (undef, 1909 $pl->ob->reply (undef,
1789 "There was an internal problem at your last logout, " 1910 "There was an internal problem at your last logout, "
1790 . "the server will try to bring you to your intended destination in a second.", 1911 . "the server will try to bring you to your intended destination in a second.",
1791 cf::NDI_RED); 1912 cf::NDI_RED);
1913 # we need this sleep as the login has a concurrent enter_exit running
1914 # and this sleep increases chances of the player not ending up in scorn
1792 Coro::Timer::sleep 1; 1915 Coro::Timer::sleep 1;
1793 $pl->ob->leave_link; 1916 $pl->ob->leave_link;
1794 })->prio (2); 1917 })->prio (2);
1795 } 1918 }
1796 }, 1919 },
1804 my ($self, $path, $x, $y) = @_; 1927 my ($self, $path, $x, $y) = @_;
1805 1928
1806 $self->enter_link; 1929 $self->enter_link;
1807 1930
1808 (async { 1931 (async {
1932 my $map = eval {
1809 my $map = cf::map::find $path; 1933 my $map = cf::map::find $path;
1810 $map = $map->customise_for ($self) if $map; 1934 $map = $map->customise_for ($self) if $map;
1811 1935 $map
1812# warn "entering ", $map->path, " at ($x, $y)\n" 1936 } or
1813# if $map;
1814
1815 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1937 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1816 1938
1817 $self->leave_link ($map, $x, $y); 1939 $self->leave_link ($map, $x, $y);
1818 })->prio (1); 1940 })->prio (1);
1819} 1941}
1820 1942
1851 # that depends on the exit object 1973 # that depends on the exit object
1852 1974
1853 my $rmp = parse_random_map_params $exit->msg; 1975 my $rmp = parse_random_map_params $exit->msg;
1854 1976
1855 if ($exit->map) { 1977 if ($exit->map) {
1856 $rmp->{region} = $exit->map->region_name; 1978 $rmp->{region} = $exit->region->name;
1857 $rmp->{origin_map} = $exit->map->path; 1979 $rmp->{origin_map} = $exit->map->path;
1858 $rmp->{origin_x} = $exit->x; 1980 $rmp->{origin_x} = $exit->x;
1859 $rmp->{origin_y} = $exit->y; 1981 $rmp->{origin_y} = $exit->y;
1860 } 1982 }
1861 1983
1878sub cf::object::player::enter_exit { 2000sub cf::object::player::enter_exit {
1879 my ($self, $exit) = @_; 2001 my ($self, $exit) = @_;
1880 2002
1881 return unless $self->type == cf::PLAYER; 2003 return unless $self->type == cf::PLAYER;
1882 2004
2005 if ($exit->slaying eq "/!") {
2006 #TODO: this should de-fi-ni-te-ly not be a sync-job
2007 # the problem is that $exit might not survive long enough
2008 # so it needs to be done right now, right here
2009 cf::sync_job { prepare_random_map $exit };
2010 }
2011
2012 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013 my $hp = $exit->stats->hp;
2014 my $sp = $exit->stats->sp;
2015
1883 $self->enter_link; 2016 $self->enter_link;
1884 2017
1885 (async { 2018 (async {
1886 $self->deactivate_recursive; # just to be sure 2019 $self->deactivate_recursive; # just to be sure
1887 unless (eval { 2020 unless (eval {
1888 prepare_random_map $exit 2021 $self->goto ($slaying, $hp, $sp);
1889 if $exit->slaying eq "/!";
1890
1891 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1892 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1893 2022
1894 1; 2023 1;
1895 }) { 2024 }) {
1896 $self->message ("Something went wrong deep within the crossfire server. " 2025 $self->message ("Something went wrong deep within the crossfire server. "
1897 . "I'll try to bring you back to the map you were before. " 2026 . "I'll try to bring you back to the map you were before. "
1898 . "Please report this to the dungeon master!", 2027 . "Please report this to the dungeon master!",
1899 cf::NDI_UNIQUE | cf::NDI_RED); 2028 cf::NDI_UNIQUE | cf::NDI_RED);
1900 2029
1901 warn "ERROR in enter_exit: $@"; 2030 warn "ERROR in enter_exit: $@";
1902 $self->leave_link; 2031 $self->leave_link;
1903 } 2032 }
1904 })->prio (1); 2033 })->prio (1);
1917 2046
1918sub cf::client::send_drawinfo { 2047sub cf::client::send_drawinfo {
1919 my ($self, $text, $flags) = @_; 2048 my ($self, $text, $flags) = @_;
1920 2049
1921 utf8::encode $text; 2050 utf8::encode $text;
1922 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2051 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1923} 2052}
1924 2053
2054=item $client->ext_event ($type, %msg)
2055
2056Sends an exti event to the client.
2057
2058=cut
2059
2060sub cf::client::ext_event($$%) {
2061 my ($self, $type, %msg) = @_;
2062
2063 $msg{msgtype} = "event_$type";
2064 $self->send_packet ("ext " . cf::to_json \%msg);
2065}
1925 2066
1926=item $success = $client->query ($flags, "text", \&cb) 2067=item $success = $client->query ($flags, "text", \&cb)
1927 2068
1928Queues a query to the client, calling the given callback with 2069Queues a query to the client, calling the given callback with
1929the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2070the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1958 # get handled first 2099 # get handled first
1959 my $queue = delete $ns->{query_queue} 2100 my $queue = delete $ns->{query_queue}
1960 or return; # be conservative, not sure how that can happen, but we saw a crash here 2101 or return; # be conservative, not sure how that can happen, but we saw a crash here
1961 2102
1962 (shift @$queue)->[1]->($msg); 2103 (shift @$queue)->[1]->($msg);
2104 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1963 2105
1964 push @{ $ns->{query_queue} }, @$queue; 2106 push @{ $ns->{query_queue} }, @$queue;
1965 2107
1966 if (@{ $ns->{query_queue} } == @$queue) { 2108 if (@{ $ns->{query_queue} } == @$queue) {
1967 if (@$queue) { 2109 if (@$queue) {
2025 2167
2026# here we export the classes and methods available to script code 2168# here we export the classes and methods available to script code
2027 2169
2028=pod 2170=pod
2029 2171
2030The following fucntions and emthods are available within a safe environment: 2172The following functions and methods are available within a safe environment:
2031 2173
2032 cf::object contr pay_amount pay_player map 2174 cf::object contr pay_amount pay_player map
2033 cf::object::player player 2175 cf::object::player player
2034 cf::player peaceful 2176 cf::player peaceful
2035 cf::map trigger 2177 cf::map trigger
2128The parameter C<$family> should best start with the name of the extension 2270The parameter C<$family> should best start with the name of the extension
2129using it, it should be unique. 2271using it, it should be unique.
2130 2272
2131=over 4 2273=over 4
2132 2274
2133=item $hashref = cf::db_get $family
2134
2135Return a hashref for use by the extension C<$family>, which can be
2136modified. After modifications, you have to call C<cf::db_dirty> or
2137C<cf::db_sync>.
2138
2139=item $value = cf::db_get $family => $key 2275=item $value = cf::db_get $family => $key
2140 2276
2141Returns a single value from the database 2277Returns a single value from the database.
2142
2143=item cf::db_put $family => $hashref
2144
2145Stores the given family hashref into the database. Updates are delayed, if
2146you want the data to be synced to disk immediately, use C<cf::db_sync>.
2147 2278
2148=item cf::db_put $family => $key => $value 2279=item cf::db_put $family => $key => $value
2149 2280
2150Stores the given C<$value> in the family hash. Updates are delayed, if you 2281Stores the given C<$value> in the family.
2151want the data to be synced to disk immediately, use C<cf::db_sync>.
2152
2153=item cf::db_dirty
2154
2155Marks the database as dirty, to be updated at a later time.
2156
2157=item cf::db_sync
2158
2159Immediately write the database to disk I<if it is dirty>.
2160 2282
2161=cut 2283=cut
2162 2284
2163our $DB; 2285our $DB;
2164 2286
2165{ 2287sub db_init {
2288 unless ($DB) {
2289 $DB = BDB::db_create $DB_ENV;
2290
2291 cf::sync_job {
2292 eval {
2293 $DB->set_flags (BDB::CHKSUM);
2294
2295 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297 cf::cleanup "db_open(db): $!" if $!;
2298 };
2299 cf::cleanup "db_open(db): $@" if $@;
2300 };
2301
2166 my $path = cf::localdir . "/database.pst"; 2302 my $path = cf::localdir . "/database.pst";
2303 if (stat $path) {
2304 cf::sync_job {
2305 my $pst = Storable::retrieve $path;
2167 2306
2168 sub db_load() { 2307 cf::db_put (board => data => $pst->{board});
2169 $DB = stat $path ? Storable::retrieve $path : { }; 2308 cf::db_put (guildrules => data => $pst->{guildrules});
2170 } 2309 cf::db_put (rent => balance => $pst->{rent}{balance});
2310 BDB::db_env_txn_checkpoint $DB_ENV;
2171 2311
2172 my $pid; 2312 unlink $path;
2173
2174 sub db_save() {
2175 waitpid $pid, 0 if $pid;
2176 if (0 == ($pid = fork)) {
2177 $DB->{_meta}{version} = 1;
2178 Storable::nstore $DB, "$path~";
2179 rename "$path~", $path;
2180 cf::_exit 0 if defined $pid;
2181 } 2313 };
2182 }
2183
2184 my $dirty;
2185
2186 sub db_sync() {
2187 db_save if $dirty;
2188 undef $dirty;
2189 }
2190
2191 my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2192 db_sync;
2193 });
2194
2195 sub db_dirty() {
2196 $dirty = 1;
2197 $idle->start;
2198 }
2199
2200 sub db_get($;$) {
2201 @_ >= 2
2202 ? $DB->{$_[0]}{$_[1]}
2203 : ($DB->{$_[0]} ||= { })
2204 }
2205
2206 sub db_put($$;$) {
2207 if (@_ >= 3) {
2208 $DB->{$_[0]}{$_[1]} = $_[2];
2209 } else {
2210 $DB->{$_[0]} = $_[1];
2211 }
2212 db_dirty;
2213 }
2214
2215 cf::global->attach (
2216 prio => 10000,
2217 on_cleanup => sub {
2218 db_sync;
2219 }, 2314 }
2220 ); 2315 }
2316}
2317
2318sub db_get($$) {
2319 my $key = "$_[0]/$_[1]";
2320
2321 cf::sync_job {
2322 BDB::db_get $DB, undef, $key, my $data;
2323
2324 $! ? ()
2325 : Compress::LZF::sthaw $data
2326 }
2327}
2328
2329sub db_put($$$) {
2330 BDB::dbreq_pri 4;
2331 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2221} 2332}
2222 2333
2223############################################################################# 2334#############################################################################
2224# the server's main() 2335# the server's init and main functions
2336
2337sub load_facedata {
2338 my $path = sprintf "%s/facedata", cf::datadir;
2339
2340 warn "loading facedata from $path\n";
2341
2342 my $facedata;
2343 0 < aio_load $path, $facedata
2344 or die "$path: $!";
2345
2346 $facedata = Coro::Storable::thaw $facedata;
2347
2348 $facedata->{version} == 2
2349 or cf::cleanup "$path: version mismatch, cannot proceed.";
2350
2351 {
2352 my $faces = $facedata->{faceinfo};
2353
2354 while (my ($face, $info) = each %$faces) {
2355 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2357 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2358 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2359 Coro::cede;
2360 }
2361
2362 while (my ($face, $info) = each %$faces) {
2363 next unless $info->{smooth};
2364 my $idx = cf::face::find $face
2365 or next;
2366 if (my $smooth = cf::face::find $info->{smooth}) {
2367 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2368 } else {
2369 warn "smooth face '$info->{smooth}' not found for face '$face'";
2370 }
2371 Coro::cede;
2372 }
2373 }
2374
2375 {
2376 my $anims = $facedata->{animinfo};
2377
2378 while (my ($anim, $info) = each %$anims) {
2379 cf::anim::set $anim, $info->{frames}, $info->{facings};
2380 Coro::cede;
2381 }
2382
2383 cf::anim::invalidate_all; # d'oh
2384 }
2385
2386 1
2387}
2388
2389sub load_archetypes {
2390 load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable
2391 load_archetype_file sprintf "%s/archetypes", cf::datadir
2392}
2393
2394sub load_treasures {
2395 load_treasure_file sprintf "%s/treasures", cf::datadir
2396}
2397
2398sub reload_resources {
2399 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2400 or die "unable to load regions file\n";
2401 load_facedata
2402 or die "unable to load facedata\n";
2403 load_archetypes
2404 or die "unable to load archetypes\n";
2405 load_treasures
2406 or die "unable to load treasurelists\n";
2407}
2408
2409sub init {
2410 reload_resources;
2411}
2225 2412
2226sub cfg_load { 2413sub cfg_load {
2227 open my $fh, "<:utf8", cf::confdir . "/config" 2414 open my $fh, "<:utf8", cf::confdir . "/config"
2228 or return; 2415 or return;
2229 2416
2252 Event::one_event; 2439 Event::one_event;
2253 })->prio (Coro::PRIO_MAX); 2440 })->prio (Coro::PRIO_MAX);
2254 }; 2441 };
2255 2442
2256 cfg_load; 2443 cfg_load;
2257 db_load; 2444 db_init;
2258 load_extensions; 2445 load_extensions;
2259 2446
2260 $TICK_WATCHER->start; 2447 $TICK_WATCHER->start;
2261 Event::loop; 2448 Event::loop;
2262} 2449}
2266 2453
2267# install some emergency cleanup handlers 2454# install some emergency cleanup handlers
2268BEGIN { 2455BEGIN {
2269 for my $signal (qw(INT HUP TERM)) { 2456 for my $signal (qw(INT HUP TERM)) {
2270 Event->signal ( 2457 Event->signal (
2458 reentrant => 0,
2271 data => WF_AUTOCANCEL, 2459 data => WF_AUTOCANCEL,
2272 signal => $signal, 2460 signal => $signal,
2461 prio => 0,
2273 cb => sub { 2462 cb => sub {
2274 cf::cleanup "SIG$signal"; 2463 cf::cleanup "SIG$signal";
2275 }, 2464 },
2276 ); 2465 );
2277 } 2466 }
2278} 2467}
2299 my $map = $cf::MAP{$path} or next; 2488 my $map = $cf::MAP{$path} or next;
2300 $map->valid or next; 2489 $map->valid or next;
2301 $map->save; 2490 $map->save;
2302 } 2491 }
2303 warn "end emergency map save\n"; 2492 warn "end emergency map save\n";
2493
2494 warn "begin emergency database checkpoint\n";
2495 BDB::db_env_txn_checkpoint $DB_ENV;
2496 warn "end emergency database checkpoint\n";
2304 }; 2497 };
2305 2498
2306 warn "leave emergency perl save\n"; 2499 warn "leave emergency perl save\n";
2500}
2501
2502sub post_cleanup {
2503 my ($make_core) = @_;
2504
2505 warn Carp::longmess "post_cleanup backtrace"
2506 if $make_core;
2307} 2507}
2308 2508
2309sub reload() { 2509sub reload() {
2310 # can/must only be called in main 2510 # can/must only be called in main
2311 if ($Coro::current != $Coro::main) { 2511 if ($Coro::current != $Coro::main) {
2313 return; 2513 return;
2314 } 2514 }
2315 2515
2316 warn "reloading..."; 2516 warn "reloading...";
2317 2517
2318 warn "cancelling server ticker"; 2518 warn "entering sync_job";
2319 $TICK_WATCHER->cancel;
2320 2519
2520 cf::sync_job {
2521 cf::write_runtime; # external watchdog should not bark
2321 cf::emergency_save; 2522 cf::emergency_save;
2523 cf::write_runtime; # external watchdog should not bark
2322 2524
2323 eval { 2525 warn "syncing database to disk";
2526 BDB::db_env_txn_checkpoint $DB_ENV;
2527
2324 # if anything goes wrong in here, we should simply crash as we already saved 2528 # if anything goes wrong in here, we should simply crash as we already saved
2325
2326 warn "syncing database to disk";
2327 cf::db_sync;
2328 2529
2329 warn "cancelling all WF_AUTOCANCEL watchers"; 2530 warn "cancelling all WF_AUTOCANCEL watchers";
2330 for (Event::all_watchers) { 2531 for (Event::all_watchers) {
2331 $_->cancel if $_->data & WF_AUTOCANCEL; 2532 $_->cancel if $_->data & WF_AUTOCANCEL;
2332 } 2533 }
2333 2534
2334 warn "flushing outstanding aio requests"; 2535 warn "flushing outstanding aio requests";
2335 for (;;) { 2536 for (;;) {
2537 BDB::flush;
2336 IO::AIO::flush; 2538 IO::AIO::flush;
2337 Coro::cede; 2539 Coro::cede;
2338 last unless IO::AIO::nreqs; 2540 last unless IO::AIO::nreqs || BDB::nreqs;
2339 warn "iterate..."; 2541 warn "iterate...";
2340 } 2542 }
2543
2544 ++$RELOAD;
2341 2545
2342 warn "cancelling all extension coros"; 2546 warn "cancelling all extension coros";
2343 $_->cancel for values %EXT_CORO; 2547 $_->cancel for values %EXT_CORO;
2344 %EXT_CORO = (); 2548 %EXT_CORO = ();
2345 2549
2398 require cf; 2602 require cf;
2399 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2603 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2400 2604
2401 warn "loading config and database again"; 2605 warn "loading config and database again";
2402 cf::cfg_load; 2606 cf::cfg_load;
2403 cf::db_load;
2404 2607
2405 warn "loading extensions"; 2608 warn "loading extensions";
2406 cf::load_extensions; 2609 cf::load_extensions;
2407 2610
2408 warn "reattaching attachments to objects/players"; 2611 warn "reattaching attachments to objects/players";
2409 _global_reattach; 2612 _global_reattach; # objects, sockets
2410 warn "reattaching attachments to maps"; 2613 warn "reattaching attachments to maps";
2411 reattach $_ for values %MAP; 2614 reattach $_ for values %MAP;
2615 warn "reattaching attachments to players";
2616 reattach $_ for values %PLAYER;
2412 2617
2413 warn "restarting server ticker"; 2618 warn "loading reloadable resources";
2619 reload_resources;
2414 2620
2415 $TICK_WATCHER->start; 2621 warn "leaving sync_job";
2416 };
2417 2622
2418 if ($@) { 2623 1
2624 } or do {
2419 warn $@; 2625 warn $@;
2420 warn "error while reloading, exiting."; 2626 warn "error while reloading, exiting.";
2421 exit 1; 2627 exit 1;
2422 } 2628 };
2423 2629
2424 warn "reloaded"; 2630 warn "reloaded";
2425}; 2631};
2426 2632
2427our $RELOAD_WATCHER; # used only during reload 2633our $RELOAD_WATCHER; # used only during reload
2433 $who->message ("reloading server."); 2639 $who->message ("reloading server.");
2434 2640
2435 # doing reload synchronously and two reloads happen back-to-back, 2641 # doing reload synchronously and two reloads happen back-to-back,
2436 # coro crashes during coro_state_free->destroy here. 2642 # coro crashes during coro_state_free->destroy here.
2437 2643
2438 $RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub { 2644 $RELOAD_WATCHER ||= Event->timer (
2645 reentrant => 0,
2646 after => 0,
2647 data => WF_AUTOCANCEL,
2648 cb => sub {
2439 reload; 2649 reload;
2440 undef $RELOAD_WATCHER; 2650 undef $RELOAD_WATCHER;
2651 },
2441 }); 2652 );
2442 } 2653 }
2443}; 2654};
2444 2655
2445unshift @INC, $LIBDIR; 2656unshift @INC, $LIBDIR;
2446 2657
2447my $bug_warning = 0; 2658my $bug_warning = 0;
2659
2660our @WAIT_FOR_TICK;
2661our @WAIT_FOR_TICK_BEGIN;
2662
2663sub wait_for_tick {
2664 return unless $TICK_WATCHER->is_active;
2665 return if $Coro::current == $Coro::main;
2666
2667 my $signal = new Coro::Signal;
2668 push @WAIT_FOR_TICK, $signal;
2669 $signal->wait;
2670}
2671
2672sub wait_for_tick_begin {
2673 return unless $TICK_WATCHER->is_active;
2674 return if $Coro::current == $Coro::main;
2675
2676 my $signal = new Coro::Signal;
2677 push @WAIT_FOR_TICK_BEGIN, $signal;
2678 $signal->wait;
2679}
2448 2680
2449$TICK_WATCHER = Event->timer ( 2681$TICK_WATCHER = Event->timer (
2450 reentrant => 0, 2682 reentrant => 0,
2451 parked => 1, 2683 parked => 1,
2452 prio => 0, 2684 prio => 0,
2463 2695
2464 cf::server_tick; # one server iteration 2696 cf::server_tick; # one server iteration
2465 $RUNTIME += $TICK; 2697 $RUNTIME += $TICK;
2466 $NEXT_TICK += $TICK; 2698 $NEXT_TICK += $TICK;
2467 2699
2468 $WAIT_FOR_TICK->broadcast; 2700 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2469 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2701 $NEXT_RUNTIME_WRITE = $NOW + 10;
2702 Coro::async_pool {
2703 write_runtime
2704 or warn "ERROR: unable to write runtime file: $!";
2705 };
2706 }
2707
2708 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2709 $sig->send;
2710 }
2711 while (my $sig = shift @WAIT_FOR_TICK) {
2712 $sig->send;
2713 }
2714
2715# my $AFTER = Event::time;
2716# warn $AFTER - $NOW;#d#
2470 2717
2471 # if we are delayed by four ticks or more, skip them all 2718 # if we are delayed by four ticks or more, skip them all
2472 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2719 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2473 2720
2474 $TICK_WATCHER->at ($NEXT_TICK); 2721 $TICK_WATCHER->at ($NEXT_TICK);
2475 $TICK_WATCHER->start; 2722 $TICK_WATCHER->start;
2476 }, 2723 },
2477); 2724);
2478 2725
2726{
2727 BDB::max_poll_time $TICK * 0.1;
2728 $BDB_POLL_WATCHER = Event->io (
2729 reentrant => 0,
2730 fd => BDB::poll_fileno,
2731 poll => 'r',
2732 prio => 0,
2733 data => WF_AUTOCANCEL,
2734 cb => \&BDB::poll_cb,
2735 );
2736 BDB::min_parallel 8;
2737
2738 BDB::set_sync_prepare {
2739 my $status;
2740 my $current = $Coro::current;
2741 (
2742 sub {
2743 $status = $!;
2744 $current->ready; undef $current;
2745 },
2746 sub {
2747 Coro::schedule while defined $current;
2748 $! = $status;
2749 },
2750 )
2751 };
2752
2753 unless ($DB_ENV) {
2754 $DB_ENV = BDB::db_env_create;
2755
2756 cf::sync_job {
2757 eval {
2758 BDB::db_env_open
2759 $DB_ENV,
2760 $BDB_ENV_DIR,
2761 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2762 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2763 0666;
2764
2765 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2766
2767 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2768 $DB_ENV->set_lk_detect;
2769 };
2770
2771 cf::cleanup "db_env_open(db): $@" if $@;
2772 };
2773 }
2774}
2775
2776{
2777 IO::AIO::min_parallel 8;
2778
2779 undef $Coro::AIO::WATCHER;
2479IO::AIO::max_poll_time $TICK * 0.2; 2780 IO::AIO::max_poll_time $TICK * 0.1;
2480
2481$AIO_POLL_WATCHER = Event->io ( 2781 $AIO_POLL_WATCHER = Event->io (
2482 fd => IO::AIO::poll_fileno, 2782 reentrant => 0,
2483 poll => 'r',
2484 prio => 5,
2485 data => WF_AUTOCANCEL,
2486 cb => \&IO::AIO::poll_cb,
2487);
2488
2489$WRITE_RUNTIME_WATCHER = Event->timer (
2490 data => WF_AUTOCANCEL, 2783 data => WF_AUTOCANCEL,
2491 after => 1, 2784 fd => IO::AIO::poll_fileno,
2492 interval => 10, 2785 poll => 'r',
2493 prio => 6, # keep it lowest so it acts like a watchdog 2786 prio => 6,
2494 cb => Coro::unblock_sub { 2787 cb => \&IO::AIO::poll_cb,
2495 write_runtime 2788 );
2496 or warn "ERROR: unable to write runtime file: $!"; 2789}
2497 },
2498);
2499 2790
2500END { cf::emergency_save } 2791END { cf::emergency_save }
2501 2792
25021 27931
2503 2794

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