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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs.
Revision 1.227 by root, Fri Mar 23 18:32:48 2007 UTC

… …
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Storable;
9use Event;
9use Opcode; 10use Opcode;
10use Safe; 11use Safe;
11use Safe::Hole; 12use Safe::Hole;
12 13
13use Coro 3.3 (); 14use Coro 3.52 ();
15use Coro::State;
14use Coro::Event; 16use Coro::Event;
15use Coro::Timer; 17use Coro::Timer;
16use Coro::Signal; 18use Coro::Signal;
17use Coro::Semaphore; 19use Coro::Semaphore;
18use Coro::AIO; 20use Coro::AIO;
19 21
22use BDB ();
20use Data::Dumper; 23use Data::Dumper;
21use Digest::MD5; 24use Digest::MD5;
22use Fcntl; 25use Fcntl;
26use YAML::Syck ();
23use IO::AIO 2.32 (); 27use IO::AIO 2.32 ();
24use YAML::Syck ();
25use Time::HiRes; 28use Time::HiRes;
29use Compress::LZF;
26 30
31# configure various modules to our taste
32#
33Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 36$Event::Eval = 1; # no idea why this is required, but it is
28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 37
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 38# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1; 39$YAML::Syck::ImplicitUnicode = 1;
33 40
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 41$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42
43sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35 44
36our %COMMAND = (); 45our %COMMAND = ();
37our %COMMAND_TIME = (); 46our %COMMAND_TIME = ();
38 47
39our @EXTS = (); # list of extension package names 48our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 49our %EXTCMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 50our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 51our %EXT_MAP = (); # pluggable maps
43 52
53our $RELOAD; # number of reloads so far
44our @EVENT; 54our @EVENT;
45our $LIBDIR = datadir . "/ext"; 55our $LIBDIR = datadir . "/ext";
46 56
47our $TICK = MAX_TIME * 1e-6; 57our $TICK = MAX_TIME * 1e-6;
48our $TICK_WATCHER; 58our $TICK_WATCHER;
49our $AIO_POLL_WATCHER; 59our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER; 60our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 61our $NEXT_TICK;
52our $NOW; 62our $NOW;
63our $USE_FSYNC = 1; # use fsync to write maps - default off
64
65our $BDB_POLL_WATCHER;
66our $DB_ENV;
53 67
54our %CFG; 68our %CFG;
55 69
56our $UPTIME; $UPTIME ||= time; 70our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 71our $RUNTIME;
58 72
59our %PLAYER; # all users 73our %PLAYER; # all users
60our %MAP; # all maps 74our %MAP; # all maps
61our $LINK_MAP; # the special {link} map, which is always available 75our $LINK_MAP; # the special {link} map, which is always available
62our $RANDOM_MAPS = cf::localdir . "/random"; 76our $RANDOM_MAPS = cf::localdir . "/random";
77our $BDB_ENV_DIR = cf::localdir . "/db";
63 78
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 79our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 80our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66 81
67# used to convert map paths into valid unix filenames by replacing / by ∕ 82# used to convert map paths into valid unix filenames by replacing / by ∕
… …
80mkdir cf::localdir; 95mkdir cf::localdir;
81mkdir cf::localdir . "/" . cf::playerdir; 96mkdir cf::localdir . "/" . cf::playerdir;
82mkdir cf::localdir . "/" . cf::tmpdir; 97mkdir cf::localdir . "/" . cf::tmpdir;
83mkdir cf::localdir . "/" . cf::uniquedir; 98mkdir cf::localdir . "/" . cf::uniquedir;
84mkdir $RANDOM_MAPS; 99mkdir $RANDOM_MAPS;
100mkdir $BDB_ENV_DIR;
85 101
86our $EMERGENCY_POSITION; 102our $EMERGENCY_POSITION;
103
104sub cf::map::normalise;
87 105
88############################################################################# 106#############################################################################
89 107
90=head2 GLOBAL VARIABLES 108=head2 GLOBAL VARIABLES
91 109
… …
190 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 208 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191 $d 209 $d
192 } || "[unable to dump $_[0]: '$@']"; 210 } || "[unable to dump $_[0]: '$@']";
193} 211}
194 212
195use JSON::Syck (); # TODO# replace by JSON::PC once working 213use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
196 214
197=item $ref = cf::from_json $json 215=item $ref = cf::from_json $json
198 216
199Converts a JSON string into the corresponding perl data structure. 217Converts a JSON string into the corresponding perl data structure.
200 218
201=cut
202
203sub from_json($) {
204 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205 JSON::Syck::Load $_[0]
206}
207
208=item $json = cf::to_json $ref 219=item $json = cf::to_json $ref
209 220
210Converts a perl data structure into its JSON representation. 221Converts a perl data structure into its JSON representation.
211
212=cut
213
214sub to_json($) {
215 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
216 JSON::Syck::Dump $_[0]
217}
218 222
219=item cf::lock_wait $string 223=item cf::lock_wait $string
220 224
221Wait until the given lock is available. See cf::lock_acquire. 225Wait until the given lock is available. See cf::lock_acquire.
222 226
… …
261sub freeze_mainloop { 265sub freeze_mainloop {
262 return unless $TICK_WATCHER->is_active; 266 return unless $TICK_WATCHER->is_active;
263 267
264 my $guard = Coro::guard { 268 my $guard = Coro::guard {
265 $TICK_WATCHER->start; 269 $TICK_WATCHER->start;
266 $WRITE_RUNTIME_WATCHER->start;
267 }; 270 };
268 $WRITE_RUNTIME_WATCHER->stop;
269 $TICK_WATCHER->stop; 271 $TICK_WATCHER->stop;
270 $guard 272 $guard
271} 273}
272 274
273=item cf::async { BLOCK } 275=item cf::async { BLOCK }
… …
344 346
345 $coro 347 $coro
346} 348}
347 349
348sub write_runtime { 350sub write_runtime {
351 my $guard = cf::lock_acquire "write_runtime";
352
349 my $runtime = cf::localdir . "/runtime"; 353 my $runtime = cf::localdir . "/runtime";
350 354
351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 355 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
352 or return; 356 or return;
353 357
358 my $value = $cf::RUNTIME + 90 + 10;
354 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 359 # 10 is the runtime save interval, for a monotonic clock
360 # 60 allows for the watchdog to kill the server.
361
355 (aio_write $fh, 0, (length $value), $value, 0) <= 0 362 (aio_write $fh, 0, (length $value), $value, 0) <= 0
356 and return; 363 and return;
357 364
365 # always fsync - this file is important
358 aio_fsync $fh 366 aio_fsync $fh
359 and return; 367 and return;
360 368
361 close $fh 369 close $fh
362 or return; 370 or return;
… …
503our @CB_TYPE = (); # registry for type (cf-object class) based events 511our @CB_TYPE = (); # registry for type (cf-object class) based events
504our @CB_MAP = (); 512our @CB_MAP = ();
505 513
506my %attachment; 514my %attachment;
507 515
516sub cf::attachable::thawer_merge {
517 # simply override everything except _meta
518 local $_[0]{_meta};
519 %{$_[0]} = %{$_[1]};
520}
521
508sub _attach_cb($$$$) { 522sub _attach_cb($$$$) {
509 my ($registry, $event, $prio, $cb) = @_; 523 my ($registry, $event, $prio, $cb) = @_;
510 524
511 use sort 'stable'; 525 use sort 'stable';
512 526
… …
741 $filename, length $$rdata, scalar @$objs; 755 $filename, length $$rdata, scalar @$objs;
742 756
743 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 757 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
744 chmod SAVE_MODE, $fh; 758 chmod SAVE_MODE, $fh;
745 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 759 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
746 aio_fsync $fh; 760 aio_fsync $fh if $cf::USE_FSYNC;
747 close $fh; 761 close $fh;
748 762
749 if (@$objs) { 763 if (@$objs) {
750 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 764 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
751 chmod SAVE_MODE, $fh; 765 chmod SAVE_MODE, $fh;
752 my $data = Storable::nfreeze { version => 1, objs => $objs }; 766 my $data = Storable::nfreeze { version => 1, objs => $objs };
753 aio_write $fh, 0, (length $data), $data, 0; 767 aio_write $fh, 0, (length $data), $data, 0;
754 aio_fsync $fh; 768 aio_fsync $fh if $cf::USE_FSYNC;
755 close $fh; 769 close $fh;
756 aio_rename "$filename.pst~", "$filename.pst"; 770 aio_rename "$filename.pst~", "$filename.pst";
757 } 771 }
758 } else { 772 } else {
759 aio_unlink "$filename.pst"; 773 aio_unlink "$filename.pst";
… …
951 965
952sub exists($) { 966sub exists($) {
953 my ($login) = @_; 967 my ($login) = @_;
954 968
955 $cf::PLAYER{$login} 969 $cf::PLAYER{$login}
956 or cf::sync_job { !aio_stat $login } 970 or cf::sync_job { !aio_stat path $login }
957} 971}
958 972
959sub find($) { 973sub find($) {
960 return $cf::PLAYER{$_[0]} || do { 974 return $cf::PLAYER{$_[0]} || do {
961 my $login = $_[0]; 975 my $login = $_[0];
… …
1007 1021
1008=cut 1022=cut
1009 1023
1010sub quit_character { 1024sub quit_character {
1011 my ($pl) = @_; 1025 my ($pl) = @_;
1026
1027 my $name = $pl->ob->name;
1012 1028
1013 $pl->{deny_save} = 1; 1029 $pl->{deny_save} = 1;
1014 $pl->password ("*"); # this should lock out the player until we nuked the dir 1030 $pl->password ("*"); # this should lock out the player until we nuked the dir
1015 1031
1016 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1032 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
… …
1021 my $path = playerdir $pl; 1037 my $path = playerdir $pl;
1022 my $temp = "$path~$cf::RUNTIME~deleting~"; 1038 my $temp = "$path~$cf::RUNTIME~deleting~";
1023 aio_rename $path, $temp; 1039 aio_rename $path, $temp;
1024 delete $cf::PLAYER{$pl->ob->name}; 1040 delete $cf::PLAYER{$pl->ob->name};
1025 $pl->destroy; 1041 $pl->destroy;
1042
1043 my $prefix = qr<^~\Q$name\E/>;
1044
1045 # nuke player maps
1046 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1047
1026 IO::AIO::aio_rmtree $temp; 1048 IO::AIO::aio_rmtree $temp;
1049}
1050
1051=item $pl->kick
1052
1053Kicks a player out of the game. This destroys the connection.
1054
1055=cut
1056
1057sub kick {
1058 my ($pl, $kicker) = @_;
1059
1060 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1061 $pl->killer ("kicked");
1062 $pl->ns->destroy;
1027} 1063}
1028 1064
1029=item cf::player::list_logins 1065=item cf::player::list_logins
1030 1066
1031Returns am arrayref of all valid playernames in the system, can take a 1067Returns am arrayref of all valid playernames in the system, can take a
… …
1059=cut 1095=cut
1060 1096
1061sub maps($) { 1097sub maps($) {
1062 my ($pl) = @_; 1098 my ($pl) = @_;
1063 1099
1100 $pl = ref $pl ? $pl->ob->name : $pl;
1101
1064 my $files = aio_readdir playerdir $pl 1102 my $files = aio_readdir playerdir $pl
1065 or return; 1103 or return;
1066 1104
1067 my @paths; 1105 my @paths;
1068 1106
1069 for (@$files) { 1107 for (@$files) {
1070 utf8::decode $_; 1108 utf8::decode $_;
1071 next if /\.(?:pl|pst)$/; 1109 next if /\.(?:pl|pst)$/;
1072 next unless /^$PATH_SEP/o; 1110 next unless /^$PATH_SEP/o;
1073 1111
1074 s/\.map$//; 1112 push @paths, cf::map::normalise "~$pl/$_";
1075 push @paths, "~" . $pl->ob->name . "/" . $_;
1076 } 1113 }
1077 1114
1078 \@paths 1115 \@paths
1079} 1116}
1080 1117
… …
1107 1144
1108use Fcntl; 1145use Fcntl;
1109use Coro::AIO; 1146use Coro::AIO;
1110 1147
1111use overload 1148use overload
1112 '""' => \&as_string; 1149 '""' => \&as_string,
1150 fallback => 1;
1113 1151
1114our $MAX_RESET = 3600; 1152our $MAX_RESET = 3600;
1115our $DEFAULT_RESET = 3000; 1153our $DEFAULT_RESET = 3000;
1116 1154
1117sub generate_random_map { 1155sub generate_random_map {
1118 my ($self, $rmp) = @_; 1156 my ($self, $rmp) = @_;
1119
1120 # mit "rum" bekleckern, nicht 1157 # mit "rum" bekleckern, nicht
1121 $self->_create_random_map ( 1158 $self->_create_random_map (
1122 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1159 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1160 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1124 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1161 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1131 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1168 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132 (cf::region::find $rmp->{region}), $rmp->{custom} 1169 (cf::region::find $rmp->{region}), $rmp->{custom}
1133 ) 1170 )
1134} 1171}
1135 1172
1173=item cf::map->register ($regex, $prio)
1174
1175Register a handler for the map path matching the given regex at the
1176givne priority (higher is better, built-in handlers have priority 0, the
1177default).
1178
1179=cut
1180
1136sub register { 1181sub register {
1137 my (undef, $regex) = @_; 1182 my (undef, $regex, $prio) = @_;
1138 my $pkg = caller; 1183 my $pkg = caller;
1139 1184
1140 no strict; 1185 no strict;
1141 push @{"$pkg\::ISA"}, __PACKAGE__; 1186 push @{"$pkg\::ISA"}, __PACKAGE__;
1142 1187
1143 $EXT_MAP{$pkg} = qr<$regex>; 1188 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144} 1189}
1145 1190
1146# also paths starting with '/' 1191# also paths starting with '/'
1147$EXT_MAP{"cf::map"} = qr{^(?=/)}; 1192$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1193
1194sub thawer_merge {
1195 my ($self, $merge) = @_;
1196
1197 # we have to keep some variables in memory intact
1198 local $self->{path};
1199 local $self->{load_path};
1200 local $self->{deny_save};
1201 local $self->{deny_reset};
1202
1203 $self->SUPER::thawer_merge ($merge);
1204}
1148 1205
1149sub normalise { 1206sub normalise {
1150 my ($path, $base) = @_; 1207 my ($path, $base) = @_;
1208
1209 $path = "$path"; # make sure its a string
1210
1211 $path =~ s/\.map$//;
1151 1212
1152 # map plan: 1213 # map plan:
1153 # 1214 #
1154 # /! non-realised random map exit (special hack!) 1215 # /! non-realised random map exit (special hack!)
1155 # {... are special paths that are not being touched 1216 # {... are special paths that are not being touched
… …
1183 1244
1184 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object 1245 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185 1246
1186 $path = normalise $path, $base; 1247 $path = normalise $path, $base;
1187 1248
1188 for my $pkg (keys %EXT_MAP) { 1249 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189 if ($path =~ $EXT_MAP{$pkg}) { 1250 if ($path =~ $EXT_MAP{$pkg}[1]) {
1190 my $self = bless cf::map::new, $pkg; 1251 my $self = bless cf::map::new, $pkg;
1191 $self->{path} = $path; $self->path ($path); 1252 $self->{path} = $path; $self->path ($path);
1192 $self->init; # pass $1 etc. 1253 $self->init; # pass $1 etc.
1193 return $self; 1254 return $self;
1194 } 1255 }
1195 } 1256 }
1196 1257
1197 Carp::carp "unable to resolve path '$path'."; 1258 Carp::carp "unable to resolve path '$path' (base '$base').";
1198 () 1259 ()
1199} 1260}
1200 1261
1201sub init { 1262sub init {
1202 my ($self) = @_; 1263 my ($self) = @_;
… …
1217 1278
1218# the original (read-only) location 1279# the original (read-only) location
1219sub load_path { 1280sub load_path {
1220 my ($self) = @_; 1281 my ($self) = @_;
1221 1282
1222 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1283 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1223} 1284}
1224 1285
1225# the temporary/swap location 1286# the temporary/swap location
1226sub save_path { 1287sub save_path {
1227 my ($self) = @_; 1288 my ($self) = @_;
1228 1289
1229 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1290 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1230 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1291 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1231} 1292}
1232 1293
1233# the unique path, undef == no special unique path 1294# the unique path, undef == no special unique path
1234sub uniq_path { 1295sub uniq_path {
1235 my ($self) = @_; 1296 my ($self) = @_;
… …
1249 1310
1250sub unlink_save { 1311sub unlink_save {
1251 my ($self) = @_; 1312 my ($self) = @_;
1252 1313
1253 utf8::encode (my $save = $self->save_path); 1314 utf8::encode (my $save = $self->save_path);
1254 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save; 1315 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst"; 1316 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256} 1317}
1257 1318
1258sub load_header_from($) { 1319sub load_header_from($) {
1259 my ($self, $path) = @_; 1320 my ($self, $path) = @_;
1260 1321
1261 utf8::encode $path; 1322 utf8::encode $path;
1262 aio_open $path, O_RDONLY, 0 1323 #aio_open $path, O_RDONLY, 0
1263 or return; 1324 # or return;
1264 1325
1265 $self->_load_header ($path) 1326 $self->_load_header ($path)
1266 or return; 1327 or return;
1267 1328
1268 $self->{load_path} = $path; 1329 $self->{load_path} = $path;
1269 1330
1270 1 1331 1
1271} 1332}
1272 1333
1273sub load_orig { 1334sub load_header_orig {
1274 my ($self) = @_; 1335 my ($self) = @_;
1275 1336
1276 $self->load_header_from ($self->load_path) 1337 $self->load_header_from ($self->load_path)
1277} 1338}
1278 1339
1279sub load_temp { 1340sub load_header_temp {
1280 my ($self) = @_; 1341 my ($self) = @_;
1281 1342
1282 $self->load_header_from ($self->save_path) 1343 $self->load_header_from ($self->save_path)
1344}
1345
1346sub prepare_temp {
1347 my ($self) = @_;
1348
1349 $self->last_access ((delete $self->{last_access})
1350 || $cf::RUNTIME); #d#
1351 # safety
1352 $self->{instantiate_time} = $cf::RUNTIME
1353 if $self->{instantiate_time} > $cf::RUNTIME;
1354}
1355
1356sub prepare_orig {
1357 my ($self) = @_;
1358
1359 $self->{load_original} = 1;
1360 $self->{instantiate_time} = $cf::RUNTIME;
1361 $self->last_access ($cf::RUNTIME);
1362 $self->instantiate;
1283} 1363}
1284 1364
1285sub load_header { 1365sub load_header {
1286 my ($self) = @_; 1366 my ($self) = @_;
1287 1367
1288 if ($self->load_temp) { 1368 if ($self->load_header_temp) {
1289 $self->last_access ((delete $self->{last_access}) 1369 $self->prepare_temp;
1290 || $cf::RUNTIME); #d#
1291 # safety
1292 $self->{instantiate_time} = $cf::RUNTIME
1293 if $self->{instantiate_time} > $cf::RUNTIME;
1294 } else { 1370 } else {
1295 $self->load_orig 1371 $self->load_header_orig
1296 or return; 1372 or return;
1297 1373 $self->prepare_orig;
1298 $self->{load_original} = 1;
1299 $self->{instantiate_time} = $cf::RUNTIME;
1300 $self->last_access ($cf::RUNTIME);
1301 $self->instantiate;
1302 } 1374 }
1303 1375
1304 1 1376 1
1305} 1377}
1306 1378
… …
1320 $map->{last_save} = $cf::RUNTIME; 1392 $map->{last_save} = $cf::RUNTIME;
1321 1393
1322 $map->load_header 1394 $map->load_header
1323 or return; 1395 or return;
1324 1396
1325 if ($map->should_reset) { 1397 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1398 # doing this can freeze the server in a sync job, obviously
1399 #$cf::WAIT_FOR_TICK->wait;
1326 $map->reset; 1400 $map->reset;
1327 undef $guard; 1401 undef $guard;
1328 $map = find $path 1402 return find $path;
1329 or return;
1330 } 1403 }
1331 1404
1332 $cf::MAP{$path} = $map 1405 $cf::MAP{$path} = $map
1333 } 1406 }
1334} 1407}
1408
1409sub pre_load { }
1410sub post_load { }
1335 1411
1336sub load { 1412sub load {
1337 my ($self) = @_; 1413 my ($self) = @_;
1338 1414
1415 local $self->{deny_reset} = 1; # loading can take a long time
1416
1339 my $path = $self->{path}; 1417 my $path = $self->{path};
1340 my $guard = cf::lock_acquire "map_load:$path"; 1418 my $guard = cf::lock_acquire "map_load:$path";
1341 1419
1342 return if $self->in_memory != cf::MAP_SWAPPED; 1420 return if $self->in_memory != cf::MAP_SWAPPED;
1343 1421
1344 $self->in_memory (cf::MAP_LOADING); 1422 $self->in_memory (cf::MAP_LOADING);
1345 1423
1346 $self->alloc; 1424 $self->alloc;
1425
1426 $self->pre_load;
1427
1347 $self->_load_objects ($self->{load_path}, 1) 1428 $self->_load_objects ($self->{load_path}, 1)
1348 or return; 1429 or return;
1349 1430
1350 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1431 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1351 if delete $self->{load_original}; 1432 if delete $self->{load_original};
… …
1373 unless $self->difficulty; 1454 unless $self->difficulty;
1374 Coro::cede; 1455 Coro::cede;
1375 $self->activate; 1456 $self->activate;
1376 } 1457 }
1377 1458
1459 $self->post_load;
1460
1378 $self->in_memory (cf::MAP_IN_MEMORY); 1461 $self->in_memory (cf::MAP_IN_MEMORY);
1379} 1462}
1380 1463
1381sub customise_for { 1464sub customise_for {
1382 my ($self, $ob) = @_; 1465 my ($self, $ob) = @_;
… …
1422 1505
1423 cf::sync_job { $map->load }; 1506 cf::sync_job { $map->load };
1424} 1507}
1425 1508
1426our %MAP_PREFETCH; 1509our %MAP_PREFETCH;
1427our $MAP_PREFETCHER = Coro::async { 1510our $MAP_PREFETCHER = undef;
1428 while () {
1429 for my $path (keys %MAP_PREFETCH) {
1430 my $map = find $path
1431 or next;
1432 $map->load;
1433
1434 delete $MAP_PREFETCH{$path};
1435 }
1436 Coro::schedule;
1437 }
1438};
1439 1511
1440sub find_async { 1512sub find_async {
1441 my ($path, $origin) = @_; 1513 my ($path, $origin) = @_;
1442 1514
1443 $path = normalise $path, $origin && $origin->{path}; 1515 $path = normalise $path, $origin && $origin->{path};
1444 1516
1445 if (my $map = $cf::MAP{$path}) { 1517 if (my $map = $cf::MAP{$path}) {
1446 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1518 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1447 } 1519 }
1448 1520
1449 $MAP_PREFETCH{$path} = 0; 1521 undef $MAP_PREFETCH{$path};
1522 $MAP_PREFETCHER ||= cf::async {
1523 while (%MAP_PREFETCH) {
1524 for my $path (keys %MAP_PREFETCH) {
1525 my $map = find $path
1526 or next;
1527 $map->load;
1528
1529 delete $MAP_PREFETCH{$path};
1530 }
1531 }
1532 undef $MAP_PREFETCHER;
1533 };
1450 $MAP_PREFETCHER->ready; 1534 $MAP_PREFETCHER->prio (6);
1451 1535
1452 () 1536 ()
1453} 1537}
1454 1538
1455sub save { 1539sub save {
… …
1515 my ($self) = @_; 1599 my ($self) = @_;
1516 1600
1517 $self->reset_at <= $cf::RUNTIME 1601 $self->reset_at <= $cf::RUNTIME
1518} 1602}
1519 1603
1520sub rename {
1521 my ($self, $new_path) = @_;
1522
1523 normalise $new_path;
1524
1525 $self->unlink_save;
1526
1527 delete $cf::MAP{$self->path};
1528 $self->{path} = $new_path; $self->path ($self->{path});
1529 $cf::MAP{$self->path} = $self;
1530
1531 $self->save;
1532}
1533
1534sub reset { 1604sub reset {
1535 my ($self) = @_; 1605 my ($self) = @_;
1536 1606
1537 my $lock = cf::lock_acquire "map_data:$self->{path}"; 1607 my $lock = cf::lock_acquire "map_data:$self->{path}";
1538 1608
1539 return if $self->players; 1609 return if $self->players;
1540 return if $self->isa ("ext::map_per_player");#d# 1610 return if $self->isa ("ext::map_per_player");#d#
1541 1611
1542 warn "resetting map ", $self->path;#d# 1612 warn "resetting map ", $self->path;#d#
1543 1613
1614 $self->in_memory (cf::MAP_SWAPPED);
1615
1616 # need to save uniques path
1617 unless ($self->{deny_save}) {
1618 my $uniq = $self->uniq_path; utf8::encode $uniq;
1619
1620 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1621 if $uniq;
1622 }
1623
1544 delete $cf::MAP{$self->path}; 1624 delete $cf::MAP{$self->path};
1545 1625
1546 $self->in_memory (cf::MAP_SWAPPED);
1547 $self->clear; 1626 $self->clear;
1548 1627
1549 $_->clear_links_to ($self) for values %cf::MAP; 1628 $_->clear_links_to ($self) for values %cf::MAP;
1550 1629
1551 $self->unlink_save; 1630 $self->unlink_save;
… …
1555my $nuke_counter = "aaaa"; 1634my $nuke_counter = "aaaa";
1556 1635
1557sub nuke { 1636sub nuke {
1558 my ($self) = @_; 1637 my ($self) = @_;
1559 1638
1639 delete $cf::MAP{$self->path};
1640
1641 $self->unlink_save;
1642
1643 bless $self, "cf::map";
1644 delete $self->{deny_reset};
1560 $self->{deny_save} = 1; 1645 $self->{deny_save} = 1;
1561 $self->reset_timeout (1); 1646 $self->reset_timeout (1);
1562 $self->rename ("{nuke}/" . ($nuke_counter++)); 1647 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648
1649 $cf::MAP{$self->path} = $self;
1650
1563 $self->reset; # polite request, might not happen 1651 $self->reset; # polite request, might not happen
1564} 1652}
1565 1653
1566=item cf::map::unique_maps 1654=item cf::map::unique_maps
1567 1655
… …
1579 for (@$files) { 1667 for (@$files) {
1580 utf8::decode $_; 1668 utf8::decode $_;
1581 next if /\.pst$/; 1669 next if /\.pst$/;
1582 next unless /^$PATH_SEP/o; 1670 next unless /^$PATH_SEP/o;
1583 1671
1584 s/\.map$//; 1672 push @paths, cf::map::normalise $_;
1585 push @paths, $_;
1586 } 1673 }
1587 1674
1588 \@paths 1675 \@paths
1589} 1676}
1590 1677
… …
1684=cut 1771=cut
1685 1772
1686sub link_map { 1773sub link_map {
1687 unless ($LINK_MAP) { 1774 unless ($LINK_MAP) {
1688 $LINK_MAP = cf::map::find "{link}" 1775 $LINK_MAP = cf::map::find "{link}"
1689 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 1776 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690 $LINK_MAP->load; 1777 $LINK_MAP->load;
1691 } 1778 }
1692 1779
1693 $LINK_MAP 1780 $LINK_MAP
1694} 1781}
… …
1701 return if UNIVERSAL::isa $self->map, "ext::map_link"; 1788 return if UNIVERSAL::isa $self->map, "ext::map_link";
1702 1789
1703 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1790 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704 if $self->map; 1791 if $self->map;
1705 1792
1706 $self->enter_map ($LINK_MAP || link_map, 20, 20); 1793 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1707} 1794}
1708 1795
1709sub cf::object::player::leave_link { 1796sub cf::object::player::leave_link {
1710 my ($self, $map, $x, $y) = @_; 1797 my ($self, $map, $x, $y) = @_;
1711 1798
… …
1733 $map->load; 1820 $map->load;
1734 $map->load_diag; 1821 $map->load_diag;
1735 1822
1736 return unless $self->contr->active; 1823 return unless $self->contr->active;
1737 $self->activate_recursive; 1824 $self->activate_recursive;
1825
1826 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738 $self->enter_map ($map, $x, $y); 1827 $self->enter_map ($map, $x, $y);
1739} 1828}
1740 1829
1741cf::player->attach ( 1830cf::player->attach (
1742 on_logout => sub { 1831 on_logout => sub {
… …
1755 # try to abort aborted map switching on player login :) 1844 # try to abort aborted map switching on player login :)
1756 # should happen only on crashes 1845 # should happen only on crashes
1757 if ($pl->ob->{_link_pos}) { 1846 if ($pl->ob->{_link_pos}) {
1758 $pl->ob->enter_link; 1847 $pl->ob->enter_link;
1759 (async { 1848 (async {
1760 # we need this sleep as the login has a concurrent enter_exit running
1761 # and this sleep increases chances of the player not ending up in scorn
1762 $pl->ob->reply (undef, 1849 $pl->ob->reply (undef,
1763 "There was an internal problem at your last logout, " 1850 "There was an internal problem at your last logout, "
1764 . "the server will try to bring you to your intended destination in a second.", 1851 . "the server will try to bring you to your intended destination in a second.",
1765 cf::NDI_RED); 1852 cf::NDI_RED);
1853 # we need this sleep as the login has a concurrent enter_exit running
1854 # and this sleep increases chances of the player not ending up in scorn
1766 Coro::Timer::sleep 1; 1855 Coro::Timer::sleep 1;
1767 $pl->ob->leave_link; 1856 $pl->ob->leave_link;
1768 })->prio (2); 1857 })->prio (2);
1769 } 1858 }
1770 }, 1859 },
… …
1778 my ($self, $path, $x, $y) = @_; 1867 my ($self, $path, $x, $y) = @_;
1779 1868
1780 $self->enter_link; 1869 $self->enter_link;
1781 1870
1782 (async { 1871 (async {
1872 my $map = eval {
1783 my $map = cf::map::find $path; 1873 my $map = cf::map::find $path;
1784 $map = $map->customise_for ($self) if $map; 1874 $map = $map->customise_for ($self) if $map;
1785 1875 $map
1786# warn "entering ", $map->path, " at ($x, $y)\n" 1876 } or
1787# if $map;
1788
1789 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1877 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1790 1878
1791 $self->leave_link ($map, $x, $y); 1879 $self->leave_link ($map, $x, $y);
1792 })->prio (1); 1880 })->prio (1);
1793} 1881}
1794 1882
… …
1798 1886
1799sub parse_random_map_params { 1887sub parse_random_map_params {
1800 my ($spec) = @_; 1888 my ($spec) = @_;
1801 1889
1802 my $rmp = { # defaults 1890 my $rmp = { # defaults
1803 xsize => 10, 1891 xsize => (cf::rndm 15, 40),
1804 ysize => 10, 1892 ysize => (cf::rndm 15, 40),
1893 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1894 #layout => string,
1805 }; 1895 };
1806 1896
1807 for (split /\n/, $spec) { 1897 for (split /\n/, $spec) {
1808 my ($k, $v) = split /\s+/, $_, 2; 1898 my ($k, $v) = split /\s+/, $_, 2;
1809 1899
… …
1813 $rmp 1903 $rmp
1814} 1904}
1815 1905
1816sub prepare_random_map { 1906sub prepare_random_map {
1817 my ($exit) = @_; 1907 my ($exit) = @_;
1908
1909 my $guard = cf::lock_acquire "exit_prepare:$exit";
1818 1910
1819 # all this does is basically replace the /! path by 1911 # all this does is basically replace the /! path by
1820 # a new random map path (?random/...) with a seed 1912 # a new random map path (?random/...) with a seed
1821 # that depends on the exit object 1913 # that depends on the exit object
1822 1914
1823 my $rmp = parse_random_map_params $exit->msg; 1915 my $rmp = parse_random_map_params $exit->msg;
1824 1916
1825 if ($exit->map) { 1917 if ($exit->map) {
1826 $rmp->{region} = $exit->map->region_name; 1918 $rmp->{region} = $exit->region->name;
1827 $rmp->{origin_map} = $exit->map->path; 1919 $rmp->{origin_map} = $exit->map->path;
1828 $rmp->{origin_x} = $exit->x; 1920 $rmp->{origin_x} = $exit->x;
1829 $rmp->{origin_y} = $exit->y; 1921 $rmp->{origin_y} = $exit->y;
1830 } 1922 }
1831 1923
1832 $rmp->{random_seed} ||= $exit->random_seed; 1924 $rmp->{random_seed} ||= $exit->random_seed;
1833 1925
1834 my $data = cf::to_json $rmp; 1926 my $data = cf::to_json $rmp;
1835 my $md5 = Digest::MD5::md5_hex $data; 1927 my $md5 = Digest::MD5::md5_hex $data;
1928 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1836 1929
1837 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1930 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1838 aio_write $fh, 0, (length $data), $data, 0; 1931 aio_write $fh, 0, (length $data), $data, 0;
1932 undef $fh;
1933 aio_rename "$meta~", $meta;
1839 1934
1840 $exit->slaying ("?random/$md5"); 1935 $exit->slaying ("?random/$md5");
1841 $exit->msg (undef); 1936 $exit->msg (undef);
1842 } 1937 }
1843} 1938}
1844 1939
1845sub cf::object::player::enter_exit { 1940sub cf::object::player::enter_exit {
1846 my ($self, $exit) = @_; 1941 my ($self, $exit) = @_;
1847 1942
1848 return unless $self->type == cf::PLAYER; 1943 return unless $self->type == cf::PLAYER;
1944
1945 if ($exit->slaying eq "/!") {
1946 #TODO: this should de-fi-ni-te-ly not be a sync-job
1947 cf::sync_job { prepare_random_map $exit };
1948 }
1949
1950 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951 my $hp = $exit->stats->hp;
1952 my $sp = $exit->stats->sp;
1849 1953
1850 $self->enter_link; 1954 $self->enter_link;
1851 1955
1852 (async { 1956 (async {
1853 $self->deactivate_recursive; # just to be sure 1957 $self->deactivate_recursive; # just to be sure
1854 unless (eval { 1958 unless (eval {
1855 prepare_random_map $exit 1959 $self->goto ($slaying, $hp, $sp);
1856 if $exit->slaying eq "/!";
1857
1858 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1859 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1860 1960
1861 1; 1961 1;
1862 }) { 1962 }) {
1863 $self->message ("Something went wrong deep within the crossfire server. " 1963 $self->message ("Something went wrong deep within the crossfire server. "
1864 . "I'll try to bring you back to the map you were before. " 1964 . "I'll try to bring you back to the map you were before. "
… …
1884 1984
1885sub cf::client::send_drawinfo { 1985sub cf::client::send_drawinfo {
1886 my ($self, $text, $flags) = @_; 1986 my ($self, $text, $flags) = @_;
1887 1987
1888 utf8::encode $text; 1988 utf8::encode $text;
1889 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 1989 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890} 1990}
1891 1991
1892 1992
1893=item $success = $client->query ($flags, "text", \&cb) 1993=item $success = $client->query ($flags, "text", \&cb)
1894 1994
… …
1925 # get handled first 2025 # get handled first
1926 my $queue = delete $ns->{query_queue} 2026 my $queue = delete $ns->{query_queue}
1927 or return; # be conservative, not sure how that can happen, but we saw a crash here 2027 or return; # be conservative, not sure how that can happen, but we saw a crash here
1928 2028
1929 (shift @$queue)->[1]->($msg); 2029 (shift @$queue)->[1]->($msg);
2030 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930 2031
1931 push @{ $ns->{query_queue} }, @$queue; 2032 push @{ $ns->{query_queue} }, @$queue;
1932 2033
1933 if (@{ $ns->{query_queue} } == @$queue) { 2034 if (@{ $ns->{query_queue} } == @$queue) {
1934 if (@$queue) { 2035 if (@$queue) {
… …
2095The parameter C<$family> should best start with the name of the extension 2196The parameter C<$family> should best start with the name of the extension
2096using it, it should be unique. 2197using it, it should be unique.
2097 2198
2098=over 4 2199=over 4
2099 2200
2100=item $hashref = cf::db_get $family
2101
2102Return a hashref for use by the extension C<$family>, which can be
2103modified. After modifications, you have to call C<cf::db_dirty> or
2104C<cf::db_sync>.
2105
2106=item $value = cf::db_get $family => $key 2201=item $value = cf::db_get $family => $key
2107 2202
2108Returns a single value from the database 2203Returns a single value from the database.
2109
2110=item cf::db_put $family => $hashref
2111
2112Stores the given family hashref into the database. Updates are delayed, if
2113you want the data to be synced to disk immediately, use C<cf::db_sync>.
2114 2204
2115=item cf::db_put $family => $key => $value 2205=item cf::db_put $family => $key => $value
2116 2206
2117Stores the given C<$value> in the family hash. Updates are delayed, if you 2207Stores the given C<$value> in the family.
2118want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120=item cf::db_dirty
2121
2122Marks the database as dirty, to be updated at a later time.
2123
2124=item cf::db_sync
2125
2126Immediately write the database to disk I<if it is dirty>.
2127 2208
2128=cut 2209=cut
2129 2210
2130our $DB; 2211our $DB;
2131 2212
2132{ 2213sub db_init {
2214 unless ($DB) {
2215 $DB = BDB::db_create $DB_ENV;
2216
2217 cf::sync_job {
2218 eval {
2219 $DB->set_flags (BDB::CHKSUM);
2220
2221 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223 cf::cleanup "db_open(db): $!" if $!;
2224 };
2225 cf::cleanup "db_open(db): $@" if $@;
2226 };
2227
2133 my $path = cf::localdir . "/database.pst"; 2228 my $path = cf::localdir . "/database.pst";
2229 if (stat $path) {
2230 cf::sync_job {
2231 my $pst = Storable::retrieve $path;
2134 2232
2135 sub db_load() { 2233 cf::db_put (board => data => $pst->{board});
2136 $DB = stat $path ? Storable::retrieve $path : { }; 2234 cf::db_put (guildrules => data => $pst->{guildrules});
2137 } 2235 cf::db_put (rent => balance => $pst->{rent}{balance});
2236 BDB::db_env_txn_checkpoint $DB_ENV;
2138 2237
2139 my $pid; 2238 unlink $path;
2140
2141 sub db_save() {
2142 waitpid $pid, 0 if $pid;
2143 if (0 == ($pid = fork)) {
2144 $DB->{_meta}{version} = 1;
2145 Storable::nstore $DB, "$path~";
2146 rename "$path~", $path;
2147 cf::_exit 0 if defined $pid;
2148 } 2239 };
2149 } 2240 }
2150
2151 my $dirty;
2152
2153 sub db_sync() {
2154 db_save if $dirty;
2155 undef $dirty;
2156 }
2157
2158 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2159 db_sync;
2160 }); 2241 }
2242}
2161 2243
2162 sub db_dirty() {
2163 $dirty = 1;
2164 $idle->start;
2165 }
2166
2167 sub db_get($;$) { 2244sub db_get($$) {
2168 @_ >= 2 2245 my $key = "$_[0]/$_[1]";
2169 ? $DB->{$_[0]}{$_[1]}
2170 : ($DB->{$_[0]} ||= { })
2171 }
2172 2246
2247 cf::sync_job {
2248 BDB::db_get $DB, undef, $key, my $data;
2249
2250 $! ? ()
2251 : Compress::LZF::sthaw $data
2252 }
2253}
2254
2173 sub db_put($$;$) { 2255sub db_put($$$) {
2174 if (@_ >= 3) { 2256 BDB::dbreq_pri 4;
2175 $DB->{$_[0]}{$_[1]} = $_[2]; 2257 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258}
2259
2260#############################################################################
2261# the server's init and main functions
2262
2263sub load_faces {
2264 my $path = sprintf "%s/faces", cf::datadir;
2265
2266 warn "loading faces from $path\n";
2267
2268 my $faces;
2269 0 < aio_load $path, $faces
2270 or die "$path: $!";
2271
2272 Coro::cede;
2273 $faces = Storable::thaw $faces;
2274 Coro::cede;
2275
2276 my $meta = delete $faces->{""};
2277 $meta->{version} == 1
2278 or cf::cleanup "$path: version mismatch, cannot proceed.";
2279
2280 while (my ($face, $info) = each %$faces) {
2281 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2283 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2284 Coro::cede;
2285 }
2286
2287 while (my ($face, $info) = each %$faces) {
2288 next unless $info->{smooth};
2289 my $idx = cf::face::find $face
2290 or next;
2291 if (my $smooth = cf::face::find $info->{smooth}) {
2292 cf::face::set_smooth $idx, $smooth;
2176 } else { 2293 } else {
2177 $DB->{$_[0]} = $_[1]; 2294 warn "smooth face '$info->{smooth}' not found for face '$face'";
2178 }
2179 db_dirty;
2180 }
2181
2182 cf::global->attach (
2183 prio => 10000,
2184 on_cleanup => sub {
2185 db_sync;
2186 }, 2295 }
2187 ); 2296 Coro::cede;
2188} 2297 }
2189 2298
2190############################################################################# 2299 1
2191# the server's main() 2300}
2301
2302sub reload_resources {
2303 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2304 or die "unable to load regions file\n";#d#
2305 load_faces
2306 or die "unable to load faces\n";#d#
2307}
2308
2309sub init {
2310 reload_resources;
2311}
2192 2312
2193sub cfg_load { 2313sub cfg_load {
2194 open my $fh, "<:utf8", cf::confdir . "/config" 2314 open my $fh, "<:utf8", cf::confdir . "/config"
2195 or return; 2315 or return;
2196 2316
… …
2213 2333
2214sub main { 2334sub main {
2215 # we must not ever block the main coroutine 2335 # we must not ever block the main coroutine
2216 local $Coro::idle = sub { 2336 local $Coro::idle = sub {
2217 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2337 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2338 (async {
2218 async { Event::one_event }; 2339 Event::one_event;
2340 })->prio (Coro::PRIO_MAX);
2219 }; 2341 };
2220 2342
2221 cfg_load; 2343 cfg_load;
2222 db_load; 2344 db_init;
2223 load_extensions; 2345 load_extensions;
2346
2347 $TICK_WATCHER->start;
2224 Event::loop; 2348 Event::loop;
2225} 2349}
2226 2350
2227############################################################################# 2351#############################################################################
2228# initialisation and cleanup 2352# initialisation and cleanup
2229 2353
2230# install some emergency cleanup handlers 2354# install some emergency cleanup handlers
2231BEGIN { 2355BEGIN {
2232 for my $signal (qw(INT HUP TERM)) { 2356 for my $signal (qw(INT HUP TERM)) {
2233 Event->signal ( 2357 Event->signal (
2358 reentrant => 0,
2234 data => WF_AUTOCANCEL, 2359 data => WF_AUTOCANCEL,
2235 signal => $signal, 2360 signal => $signal,
2361 prio => 0,
2236 cb => sub { 2362 cb => sub {
2237 cf::cleanup "SIG$signal"; 2363 cf::cleanup "SIG$signal";
2238 }, 2364 },
2239 ); 2365 );
2240 } 2366 }
2241} 2367}
… …
2262 my $map = $cf::MAP{$path} or next; 2388 my $map = $cf::MAP{$path} or next;
2263 $map->valid or next; 2389 $map->valid or next;
2264 $map->save; 2390 $map->save;
2265 } 2391 }
2266 warn "end emergency map save\n"; 2392 warn "end emergency map save\n";
2393
2394 warn "begin emergency database checkpoint\n";
2395 BDB::db_env_txn_checkpoint $DB_ENV;
2396 warn "end emergency database checkpoint\n";
2267 }; 2397 };
2268 2398
2269 warn "leave emergency perl save\n"; 2399 warn "leave emergency perl save\n";
2400}
2401
2402sub post_cleanup {
2403 my ($make_core) = @_;
2404
2405 warn Carp::longmess "post_cleanup backtrace"
2406 if $make_core;
2270} 2407}
2271 2408
2272sub reload() { 2409sub reload() {
2273 # can/must only be called in main 2410 # can/must only be called in main
2274 if ($Coro::current != $Coro::main) { 2411 if ($Coro::current != $Coro::main) {
2275 warn "can only reload from main coroutine\n"; 2412 warn "can only reload from main coroutine";
2276 return; 2413 return;
2277 } 2414 }
2278 2415
2279 warn "reloading..."; 2416 warn "reloading...";
2280 2417
2281 warn "freezing server"; 2418 warn "entering sync_job";
2282 my $guard = freeze_mainloop; 2419
2420 cf::sync_job {
2421 cf::write_runtime; # external watchdog should not bark
2283 cf::emergency_save; 2422 cf::emergency_save;
2423 cf::write_runtime; # external watchdog should not bark
2284 2424
2285 warn "sync database to disk"; 2425 warn "syncing database to disk";
2286 cf::db_sync; 2426 BDB::db_env_txn_checkpoint $DB_ENV;
2287 IO::AIO::flush;
2288 2427
2289 eval {
2290 # if anything goes wrong in here, we should simply crash as we already saved 2428 # if anything goes wrong in here, we should simply crash as we already saved
2291 2429
2292 warn "cancel all watchers"; 2430 warn "cancelling all WF_AUTOCANCEL watchers";
2293 for (Event::all_watchers) { 2431 for (Event::all_watchers) {
2294 $_->cancel if $_->data & WF_AUTOCANCEL; 2432 $_->cancel if $_->data & WF_AUTOCANCEL;
2295 } 2433 }
2296 2434
2435 warn "flushing outstanding aio requests";
2436 for (;;) {
2437 BDB::flush;
2438 IO::AIO::flush;
2439 Coro::cede;
2440 last unless IO::AIO::nreqs || BDB::nreqs;
2441 warn "iterate...";
2442 }
2443
2444 ++$RELOAD;
2445
2297 warn "cancel all extension coros"; 2446 warn "cancelling all extension coros";
2298 $_->cancel for values %EXT_CORO; 2447 $_->cancel for values %EXT_CORO;
2299 %EXT_CORO = (); 2448 %EXT_CORO = ();
2300 2449
2301 warn "remove commands"; 2450 warn "removing commands";
2302 %COMMAND = (); 2451 %COMMAND = ();
2303 2452
2304 warn "remove ext commands"; 2453 warn "removing ext commands";
2305 %EXTCMD = (); 2454 %EXTCMD = ();
2306 2455
2307 warn "unload/nuke all extensions"; 2456 warn "unloading/nuking all extensions";
2308 for my $pkg (@EXTS) { 2457 for my $pkg (@EXTS) {
2309 warn "... unloading $pkg"; 2458 warn "... unloading $pkg";
2310 2459
2311 if (my $cb = $pkg->can ("unload")) { 2460 if (my $cb = $pkg->can ("unload")) {
2312 eval { 2461 eval {
… …
2317 2466
2318 warn "... nuking $pkg"; 2467 warn "... nuking $pkg";
2319 Symbol::delete_package $pkg; 2468 Symbol::delete_package $pkg;
2320 } 2469 }
2321 2470
2322 warn "unload all perl modules loaded from $LIBDIR"; 2471 warn "unloading all perl modules loaded from $LIBDIR";
2323 while (my ($k, $v) = each %INC) { 2472 while (my ($k, $v) = each %INC) {
2324 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2473 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325 2474
2326 warn "removing <$k>"; 2475 warn "... unloading $k";
2327 delete $INC{$k}; 2476 delete $INC{$k};
2328 2477
2329 $k =~ s/\.pm$//; 2478 $k =~ s/\.pm$//;
2330 $k =~ s/\//::/g; 2479 $k =~ s/\//::/g;
2331 2480
… …
2334 } 2483 }
2335 2484
2336 Symbol::delete_package $k; 2485 Symbol::delete_package $k;
2337 } 2486 }
2338 2487
2339 warn "get rid of safe::, as good as possible"; 2488 warn "getting rid of safe::, as good as possible";
2340 Symbol::delete_package "safe::$_" 2489 Symbol::delete_package "safe::$_"
2341 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2490 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2342 2491
2343 warn "unload cf.pm \"a bit\""; 2492 warn "unloading cf.pm \"a bit\"";
2344 delete $INC{"cf.pm"}; 2493 delete $INC{"cf.pm"};
2345 2494
2346 # don't, removes xs symbols, too, 2495 # don't, removes xs symbols, too,
2347 # and global variables created in xs 2496 # and global variables created in xs
2348 #Symbol::delete_package __PACKAGE__; 2497 #Symbol::delete_package __PACKAGE__;
2349 2498
2499 warn "unload completed, starting to reload now";
2500
2350 warn "reloading cf.pm"; 2501 warn "reloading cf.pm";
2351 require cf; 2502 require cf;
2352 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2503 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353 2504
2354 warn "load config and database again"; 2505 warn "loading config and database again";
2355 cf::cfg_load; 2506 cf::cfg_load;
2356 cf::db_load;
2357 2507
2358 warn "load extensions"; 2508 warn "loading extensions";
2359 cf::load_extensions; 2509 cf::load_extensions;
2360 2510
2361 warn "reattach attachments to objects/players"; 2511 warn "reattaching attachments to objects/players";
2362 _global_reattach; 2512 _global_reattach; # objects, sockets
2363 warn "reattach attachments to maps"; 2513 warn "reattaching attachments to maps";
2364 reattach $_ for values %MAP; 2514 reattach $_ for values %MAP;
2365 }; 2515 warn "reattaching attachments to players";
2516 reattach $_ for values %PLAYER;
2366 2517
2367 if ($@) { 2518 warn "loading reloadable resources";
2519 reload_resources;
2520
2521 warn "leaving sync_job";
2522
2523 1
2524 } or do {
2368 warn $@; 2525 warn $@;
2369 warn "error while reloading, exiting."; 2526 warn "error while reloading, exiting.";
2370 exit 1; 2527 exit 1;
2371 } 2528 };
2372 2529
2373 warn "reloaded"; 2530 warn "reloaded";
2374}; 2531};
2375 2532
2533our $RELOAD_WATCHER; # used only during reload
2534
2376register_command "reload" => sub { 2535register_command "reload" => sub {
2377 my ($who, $arg) = @_; 2536 my ($who, $arg) = @_;
2378 2537
2379 if ($who->flag (FLAG_WIZ)) { 2538 if ($who->flag (FLAG_WIZ)) {
2380 $who->message ("start of reload."); 2539 $who->message ("reloading server.");
2540
2541 # doing reload synchronously and two reloads happen back-to-back,
2542 # coro crashes during coro_state_free->destroy here.
2543
2544 $RELOAD_WATCHER ||= Event->timer (
2545 reentrant => 0,
2546 after => 0,
2547 data => WF_AUTOCANCEL,
2548 cb => sub {
2381 reload; 2549 reload;
2382 $who->message ("end of reload."); 2550 undef $RELOAD_WATCHER;
2551 },
2552 );
2383 } 2553 }
2384}; 2554};
2385 2555
2386unshift @INC, $LIBDIR; 2556unshift @INC, $LIBDIR;
2557
2558my $bug_warning = 0;
2387 2559
2388$TICK_WATCHER = Event->timer ( 2560$TICK_WATCHER = Event->timer (
2389 reentrant => 0, 2561 reentrant => 0,
2562 parked => 1,
2390 prio => 0, 2563 prio => 0,
2391 at => $NEXT_TICK || $TICK, 2564 at => $NEXT_TICK || $TICK,
2392 data => WF_AUTOCANCEL, 2565 data => WF_AUTOCANCEL,
2393 cb => sub { 2566 cb => sub {
2567 if ($Coro::current != $Coro::main) {
2568 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569 unless ++$bug_warning > 10;
2570 return;
2571 }
2572
2394 $NOW = Event::time; 2573 $NOW = Event::time;
2395 2574
2396 cf::server_tick; # one server iteration 2575 cf::server_tick; # one server iteration
2397 $RUNTIME += $TICK; 2576 $RUNTIME += $TICK;
2398 $NEXT_TICK += $TICK; 2577 $NEXT_TICK += $TICK;
2399 2578
2579 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580 $NEXT_RUNTIME_WRITE = $NOW + 10;
2581 Coro::async_pool {
2582 write_runtime
2583 or warn "ERROR: unable to write runtime file: $!";
2584 };
2585 }
2586
2400 $WAIT_FOR_TICK->broadcast; 2587 $WAIT_FOR_TICK->broadcast;
2401 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2588 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590# my $AFTER = Event::time;
2591# warn $AFTER - $NOW;#d#
2402 2592
2403 # if we are delayed by four ticks or more, skip them all 2593 # if we are delayed by four ticks or more, skip them all
2404 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2594 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2405 2595
2406 $TICK_WATCHER->at ($NEXT_TICK); 2596 $TICK_WATCHER->at ($NEXT_TICK);
2407 $TICK_WATCHER->start; 2597 $TICK_WATCHER->start;
2408 }, 2598 },
2409); 2599);
2410 2600
2601{
2602 BDB::max_poll_time $TICK * 0.1;
2603 $BDB_POLL_WATCHER = Event->io (
2604 reentrant => 0,
2605 fd => BDB::poll_fileno,
2606 poll => 'r',
2607 prio => 0,
2608 data => WF_AUTOCANCEL,
2609 cb => \&BDB::poll_cb,
2610 );
2611 BDB::min_parallel 8;
2612
2613 BDB::set_sync_prepare {
2614 my $status;
2615 my $current = $Coro::current;
2616 (
2617 sub {
2618 $status = $!;
2619 $current->ready; undef $current;
2620 },
2621 sub {
2622 Coro::schedule while defined $current;
2623 $! = $status;
2624 },
2625 )
2626 };
2627
2628 unless ($DB_ENV) {
2629 $DB_ENV = BDB::db_env_create;
2630
2631 cf::sync_job {
2632 eval {
2633 BDB::db_env_open
2634 $DB_ENV,
2635 $BDB_ENV_DIR,
2636 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638 0666;
2639
2640 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2641
2642 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643 $DB_ENV->set_lk_detect;
2644 };
2645
2646 cf::cleanup "db_env_open(db): $@" if $@;
2647 };
2648 }
2649}
2650
2651{
2652 IO::AIO::min_parallel 8;
2653
2654 undef $Coro::AIO::WATCHER;
2411IO::AIO::max_poll_time $TICK * 0.2; 2655 IO::AIO::max_poll_time $TICK * 0.1;
2412
2413$AIO_POLL_WATCHER = Event->io ( 2656 $AIO_POLL_WATCHER = Event->io (
2414 fd => IO::AIO::poll_fileno, 2657 reentrant => 0,
2415 poll => 'r',
2416 prio => 5,
2417 data => WF_AUTOCANCEL,
2418 cb => \&IO::AIO::poll_cb,
2419);
2420
2421$WRITE_RUNTIME_WATCHER = Event->timer (
2422 data => WF_AUTOCANCEL, 2658 data => WF_AUTOCANCEL,
2423 after => 0, 2659 fd => IO::AIO::poll_fileno,
2424 interval => 10, 2660 poll => 'r',
2425 cb => sub { 2661 prio => 6,
2426 (Coro::unblock_sub { 2662 cb => \&IO::AIO::poll_cb,
2427 write_runtime 2663 );
2428 or warn "ERROR: unable to write runtime file: $!"; 2664}
2429 })->();
2430 },
2431);
2432 2665
2433END { cf::emergency_save } 2666END { cf::emergency_save }
2434 2667
24351 26681
2436 2669

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