ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.252 by root, Wed Apr 18 15:28:18 2007 UTC

3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket;
8use Storable; 9use Storable;
10use Event;
9use Opcode; 11use Opcode;
10use Safe; 12use Safe;
11use Safe::Hole; 13use Safe::Hole;
12 14
13use Coro 3.5 (); 15use Coro 3.61 ();
16use Coro::State;
17use Coro::Handle;
14use Coro::Event; 18use Coro::Event;
15use Coro::Timer; 19use Coro::Timer;
16use Coro::Signal; 20use Coro::Signal;
17use Coro::Semaphore; 21use Coro::Semaphore;
18use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable;
19 24
25use BDB ();
20use Data::Dumper; 26use Data::Dumper;
21use Digest::MD5; 27use Digest::MD5;
22use Fcntl; 28use Fcntl;
29use YAML::Syck ();
23use IO::AIO 2.32 (); 30use IO::AIO 2.32 ();
24use YAML::Syck ();
25use Time::HiRes; 31use Time::HiRes;
32use Compress::LZF;
26 33
34# configure various modules to our taste
35#
36$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 40$Event::Eval = 1; # no idea why this is required, but it is
28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 41
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1; 43$YAML::Syck::ImplicitUnicode = 1;
33 44
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35 48
36our %COMMAND = (); 49our %COMMAND = ();
37our %COMMAND_TIME = (); 50our %COMMAND_TIME = ();
38 51
39our @EXTS = (); # list of extension package names 52our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 53our %EXTCMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 54our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 55our %EXT_MAP = (); # pluggable maps
43 56
57our $RELOAD; # number of reloads so far
44our @EVENT; 58our @EVENT;
45our $LIBDIR = datadir . "/ext"; 59our $LIBDIR = datadir . "/ext";
46 60
47our $TICK = MAX_TIME * 1e-6; 61our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48our $TICK_WATCHER; 62our $TICK_WATCHER;
49our $AIO_POLL_WATCHER; 63our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER; 64our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 65our $NEXT_TICK;
52our $NOW; 66our $NOW;
67our $USE_FSYNC = 1; # use fsync to write maps - default off
68
69our $BDB_POLL_WATCHER;
70our $DB_ENV;
53 71
54our %CFG; 72our %CFG;
55 73
56our $UPTIME; $UPTIME ||= time; 74our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 75our $RUNTIME;
58 76
59our %PLAYER; # all users 77our %PLAYER; # all users
60our %MAP; # all maps 78our %MAP; # all maps
61our $LINK_MAP; # the special {link} map, which is always available 79our $LINK_MAP; # the special {link} map, which is always available
62our $RANDOM_MAPS = cf::localdir . "/random"; 80our $RANDOM_MAPS = cf::localdir . "/random";
63 81our $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 82
67# used to convert map paths into valid unix filenames by replacing / by ∕ 83# used to convert map paths into valid unix filenames by replacing / by ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 84our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69 85
70binmode STDOUT; 86binmode STDOUT;
80mkdir cf::localdir; 96mkdir cf::localdir;
81mkdir cf::localdir . "/" . cf::playerdir; 97mkdir cf::localdir . "/" . cf::playerdir;
82mkdir cf::localdir . "/" . cf::tmpdir; 98mkdir cf::localdir . "/" . cf::tmpdir;
83mkdir cf::localdir . "/" . cf::uniquedir; 99mkdir cf::localdir . "/" . cf::uniquedir;
84mkdir $RANDOM_MAPS; 100mkdir $RANDOM_MAPS;
101mkdir $BDB_ENV_DIR;
85 102
86our $EMERGENCY_POSITION; 103our $EMERGENCY_POSITION;
87 104
88sub cf::map::normalise; 105sub cf::map::normalise;
89 106
118=item %cf::CFG 135=item %cf::CFG
119 136
120Configuration for the server, loaded from C</etc/crossfire/config>, or 137Configuration for the server, loaded from C</etc/crossfire/config>, or
121from wherever your confdir points to. 138from wherever your confdir points to.
122 139
123=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 140=item cf::wait_for_tick, cf::wait_for_tick_begin
124 141
125These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 142These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 143returns directly I<after> the tick processing (and consequently, can only wake one process
127processing has been done. Call C<< ->wait >> on them to maximise the 144per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128window of cpu time available, or simply to synchronise to the server tick.
129 145
130=back 146=back
131 147
132=cut 148=cut
133 149
134BEGIN { 150BEGIN {
135 *CORE::GLOBAL::warn = sub { 151 *CORE::GLOBAL::warn = sub {
136 my $msg = join "", @_; 152 my $msg = join "", @_;
137 utf8::encode $msg;
138 153
139 $msg .= "\n" 154 $msg .= "\n"
140 unless $msg =~ /\n$/; 155 unless $msg =~ /\n$/;
141 156
157 $msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158
159 utf8::encode $msg;
142 LOG llevError, $msg; 160 LOG llevError, $msg;
143 }; 161 };
144} 162}
145 163
146@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 164@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
192 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 210 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193 $d 211 $d
194 } || "[unable to dump $_[0]: '$@']"; 212 } || "[unable to dump $_[0]: '$@']";
195} 213}
196 214
197use JSON::Syck (); # TODO# replace by JSON::PC once working 215use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
198 216
199=item $ref = cf::from_json $json 217=item $ref = cf::from_json $json
200 218
201Converts a JSON string into the corresponding perl data structure. 219Converts a JSON string into the corresponding perl data structure.
202 220
203=cut
204
205sub from_json($) {
206 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207 JSON::Syck::Load $_[0]
208}
209
210=item $json = cf::to_json $ref 221=item $json = cf::to_json $ref
211 222
212Converts a perl data structure into its JSON representation. 223Converts a perl data structure into its JSON representation.
213
214=cut
215
216sub to_json($) {
217 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
218 JSON::Syck::Dump $_[0]
219}
220 224
221=item cf::lock_wait $string 225=item cf::lock_wait $string
222 226
223Wait until the given lock is available. See cf::lock_acquire. 227Wait until the given lock is available. See cf::lock_acquire.
224 228
263sub freeze_mainloop { 267sub freeze_mainloop {
264 return unless $TICK_WATCHER->is_active; 268 return unless $TICK_WATCHER->is_active;
265 269
266 my $guard = Coro::guard { 270 my $guard = Coro::guard {
267 $TICK_WATCHER->start; 271 $TICK_WATCHER->start;
268 $WRITE_RUNTIME_WATCHER->start;
269 }; 272 };
270 $WRITE_RUNTIME_WATCHER->stop;
271 $TICK_WATCHER->stop; 273 $TICK_WATCHER->stop;
272 $guard 274 $guard
273} 275}
274 276
275=item cf::async { BLOCK } 277=item cf::async { BLOCK }
346 348
347 $coro 349 $coro
348} 350}
349 351
350sub write_runtime { 352sub write_runtime {
353 my $guard = cf::lock_acquire "write_runtime";
354
351 my $runtime = cf::localdir . "/runtime"; 355 my $runtime = cf::localdir . "/runtime";
352 356
353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 357 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
354 or return; 358 or return;
355 359
358 # 60 allows for the watchdog to kill the server. 362 # 60 allows for the watchdog to kill the server.
359 363
360 (aio_write $fh, 0, (length $value), $value, 0) <= 0 364 (aio_write $fh, 0, (length $value), $value, 0) <= 0
361 and return; 365 and return;
362 366
367 # always fsync - this file is important
363 aio_fsync $fh 368 aio_fsync $fh
364 and return; 369 and return;
365 370
366 close $fh 371 close $fh
367 or return; 372 or return;
368 373
369 aio_rename "$runtime~", $runtime 374 aio_rename "$runtime~", $runtime
370 and return; 375 and return;
371 376
372 1 377 1
378}
379
380=item cf::datalog type => key => value, ...
381
382Log a datalog packet of the given type with the given key-value pairs.
383
384=cut
385
386sub datalog($@) {
387 my ($type, %kv) = @_;
388 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373} 389}
374 390
375=back 391=back
376 392
377=cut 393=cut
752 $filename, length $$rdata, scalar @$objs; 768 $filename, length $$rdata, scalar @$objs;
753 769
754 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 770 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755 chmod SAVE_MODE, $fh; 771 chmod SAVE_MODE, $fh;
756 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 772 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757 aio_fsync $fh; 773 aio_fsync $fh if $cf::USE_FSYNC;
758 close $fh; 774 close $fh;
759 775
760 if (@$objs) { 776 if (@$objs) {
761 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 777 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762 chmod SAVE_MODE, $fh; 778 chmod SAVE_MODE, $fh;
763 my $data = Storable::nfreeze { version => 1, objs => $objs }; 779 my $data = Storable::nfreeze { version => 1, objs => $objs };
764 aio_write $fh, 0, (length $data), $data, 0; 780 aio_write $fh, 0, (length $data), $data, 0;
765 aio_fsync $fh; 781 aio_fsync $fh if $cf::USE_FSYNC;
766 close $fh; 782 close $fh;
767 aio_rename "$filename.pst~", "$filename.pst"; 783 aio_rename "$filename.pst~", "$filename.pst";
768 } 784 }
769 } else { 785 } else {
770 aio_unlink "$filename.pst"; 786 aio_unlink "$filename.pst";
776 } 792 }
777 } else { 793 } else {
778 aio_unlink $filename; 794 aio_unlink $filename;
779 aio_unlink "$filename.pst"; 795 aio_unlink "$filename.pst";
780 } 796 }
781
782 #d##TODO# nuke non .map-files if exist
783 if ($filename =~ s/\.map$//) {
784 aio_unlink $filename;
785 aio_unlink "$filename.pst";
786 }
787 } 797 }
788} 798}
789 799
790sub object_freezer_as_string { 800sub object_freezer_as_string {
791 my ($rdata, $objs) = @_; 801 my ($rdata, $objs) = @_;
797 807
798sub object_thawer_load { 808sub object_thawer_load {
799 my ($filename) = @_; 809 my ($filename) = @_;
800 810
801 my ($data, $av); 811 my ($data, $av);
802
803 #d#TODO remove .map if file does not exist
804 aio_stat $filename and $filename =~ s/\.map$//;
805 812
806 (aio_load $filename, $data) >= 0 813 (aio_load $filename, $data) >= 0
807 or return; 814 or return;
808 815
809 unless (aio_stat "$filename.pst") { 816 unless (aio_stat "$filename.pst") {
958} 965}
959 966
960sub path($) { 967sub path($) {
961 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 968 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962 969
963 (playerdir $login) . "/$login.pl" 970 (playerdir $login) . "/playerdata"
964} 971}
965 972
966sub find_active($) { 973sub find_active($) {
967 $cf::PLAYER{$_[0]} 974 $cf::PLAYER{$_[0]}
968 and $cf::PLAYER{$_[0]}->active 975 and $cf::PLAYER{$_[0]}->active
981 my $login = $_[0]; 988 my $login = $_[0];
982 989
983 my $guard = cf::lock_acquire "user_find:$login"; 990 my $guard = cf::lock_acquire "user_find:$login";
984 991
985 $cf::PLAYER{$_[0]} || do { 992 $cf::PLAYER{$_[0]} || do {
993 # rename old playerfiles to new ones
994 #TODO: remove when no longer required
995 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997 aio_unlink +(playerdir $login) . "/$login.pl.pst";
998 aio_unlink +(playerdir $login) . "/$login.pl";
999
986 my $pl = load_pl path $login 1000 my $pl = load_pl path $login
987 or return; 1001 or return;
988 $cf::PLAYER{$login} = $pl 1002 $cf::PLAYER{$login} = $pl
989 } 1003 }
990 } 1004 }
1027 1041
1028=cut 1042=cut
1029 1043
1030sub quit_character { 1044sub quit_character {
1031 my ($pl) = @_; 1045 my ($pl) = @_;
1046
1047 my $name = $pl->ob->name;
1032 1048
1033 $pl->{deny_save} = 1; 1049 $pl->{deny_save} = 1;
1034 $pl->password ("*"); # this should lock out the player until we nuked the dir 1050 $pl->password ("*"); # this should lock out the player until we nuked the dir
1035 1051
1036 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1052 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1041 my $path = playerdir $pl; 1057 my $path = playerdir $pl;
1042 my $temp = "$path~$cf::RUNTIME~deleting~"; 1058 my $temp = "$path~$cf::RUNTIME~deleting~";
1043 aio_rename $path, $temp; 1059 aio_rename $path, $temp;
1044 delete $cf::PLAYER{$pl->ob->name}; 1060 delete $cf::PLAYER{$pl->ob->name};
1045 $pl->destroy; 1061 $pl->destroy;
1062
1063 my $prefix = qr<^~\Q$name\E/>;
1064
1065 # nuke player maps
1066 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1067
1046 IO::AIO::aio_rmtree $temp; 1068 IO::AIO::aio_rmtree $temp;
1069}
1070
1071=item $pl->kick
1072
1073Kicks a player out of the game. This destroys the connection.
1074
1075=cut
1076
1077sub kick {
1078 my ($pl, $kicker) = @_;
1079
1080 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1081 $pl->killer ("kicked");
1082 $pl->ns->destroy;
1047} 1083}
1048 1084
1049=item cf::player::list_logins 1085=item cf::player::list_logins
1050 1086
1051Returns am arrayref of all valid playernames in the system, can take a 1087Returns am arrayref of all valid playernames in the system, can take a
1079=cut 1115=cut
1080 1116
1081sub maps($) { 1117sub maps($) {
1082 my ($pl) = @_; 1118 my ($pl) = @_;
1083 1119
1120 $pl = ref $pl ? $pl->ob->name : $pl;
1121
1084 my $files = aio_readdir playerdir $pl 1122 my $files = aio_readdir playerdir $pl
1085 or return; 1123 or return;
1086 1124
1087 my @paths; 1125 my @paths;
1088 1126
1089 for (@$files) { 1127 for (@$files) {
1090 utf8::decode $_; 1128 utf8::decode $_;
1091 next if /\.(?:pl|pst)$/; 1129 next if /\.(?:pl|pst)$/;
1092 next unless /^$PATH_SEP/o; 1130 next unless /^$PATH_SEP/o;
1093 1131
1094 push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_; 1132 push @paths, cf::map::normalise "~$pl/$_";
1095 } 1133 }
1096 1134
1097 \@paths 1135 \@paths
1098} 1136}
1099 1137
1100=item $player->ext_reply ($msgid, $msgtype, %msg) 1138=item $player->ext_reply ($msgid, %msg)
1101 1139
1102Sends an ext reply to the player. 1140Sends an ext reply to the player.
1103 1141
1104=cut 1142=cut
1105 1143
1106sub ext_reply($$$%) { 1144sub ext_reply($$%) {
1107 my ($self, $id, %msg) = @_; 1145 my ($self, $id, %msg) = @_;
1108 1146
1109 $msg{msgid} = $id; 1147 $msg{msgid} = $id;
1110 1148
1111 $self->send ("ext " . cf::to_json \%msg); 1149 $self->send ("ext " . cf::to_json \%msg);
1112} 1150}
1113 1151
1114package cf; 1152=item $player->ext_event ($type, %msg)
1153
1154Sends an ext event to the client.
1155
1156=cut
1157
1158sub ext_event($$%) {
1159 my ($self, $type, %msg) = @_;
1160
1161 $self->ns->ext_event ($type, %msg);
1162}
1163
1164=head3 cf::region
1165
1166=over 4
1167
1168=cut
1169
1170package cf::region;
1171
1172=item cf::region::find_by_path $path
1173
1174Tries to decuce the probable region for a map knowing only its path.
1175
1176=cut
1177
1178sub find_by_path($) {
1179 my ($path) = @_;
1180
1181 my ($match, $specificity);
1182
1183 for my $region (list) {
1184 if ($region->match && $path =~ $region->match) {
1185 ($match, $specificity) = ($region, $region->specificity)
1186 if $region->specificity > $specificity;
1187 }
1188 }
1189
1190 $match
1191}
1115 1192
1116=back 1193=back
1117
1118 1194
1119=head3 cf::map 1195=head3 cf::map
1120 1196
1121=over 4 1197=over 4
1122 1198
1294 my ($self) = @_; 1370 my ($self) = @_;
1295 1371
1296 utf8::encode (my $save = $self->save_path); 1372 utf8::encode (my $save = $self->save_path);
1297 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1373 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1374 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300 #d#TODO remove .map and also nuke
1301 $save =~ s/\.map// or return;#d#
1302 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304} 1375}
1305 1376
1306sub load_header_from($) { 1377sub load_header_from($) {
1307 my ($self, $path) = @_; 1378 my ($self, $path) = @_;
1308 1379
1358 $self->load_header_orig 1429 $self->load_header_orig
1359 or return; 1430 or return;
1360 $self->prepare_orig; 1431 $self->prepare_orig;
1361 } 1432 }
1362 1433
1434 $self->default_region (cf::region::find_by_path $self->{path})
1435 unless $self->default_region;
1436
1363 1 1437 1
1364} 1438}
1365 1439
1366sub find; 1440sub find;
1367sub find { 1441sub find {
1409 $self->in_memory (cf::MAP_LOADING); 1483 $self->in_memory (cf::MAP_LOADING);
1410 1484
1411 $self->alloc; 1485 $self->alloc;
1412 1486
1413 $self->pre_load; 1487 $self->pre_load;
1488 Coro::cede;
1414 1489
1415 $self->_load_objects ($self->{load_path}, 1) 1490 $self->_load_objects ($self->{load_path}, 1)
1416 or return; 1491 or return;
1417 1492
1418 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1493 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1425 $self->_load_objects ($uniq, 0); 1500 $self->_load_objects ($uniq, 0);
1426 } 1501 }
1427 } 1502 }
1428 1503
1429 Coro::cede; 1504 Coro::cede;
1430
1431 # now do the right thing for maps 1505 # now do the right thing for maps
1432 $self->link_multipart_objects; 1506 $self->link_multipart_objects;
1507 Coro::cede;
1433 1508
1434 unless ($self->{deny_activate}) { 1509 unless ($self->{deny_activate}) {
1435 $self->decay_objects; 1510 $self->decay_objects;
1436 $self->fix_auto_apply; 1511 $self->fix_auto_apply;
1437 $self->update_buttons; 1512 $self->update_buttons;
1439 $self->set_darkness_map; 1514 $self->set_darkness_map;
1440 $self->difficulty ($self->estimate_difficulty) 1515 $self->difficulty ($self->estimate_difficulty)
1441 unless $self->difficulty; 1516 unless $self->difficulty;
1442 Coro::cede; 1517 Coro::cede;
1443 $self->activate; 1518 $self->activate;
1519 Coro::cede;
1444 } 1520 }
1445 1521
1446 $self->post_load; 1522 $self->post_load;
1523 Coro::cede;
1447 1524
1448 $self->in_memory (cf::MAP_IN_MEMORY); 1525 $self->in_memory (cf::MAP_IN_MEMORY);
1449} 1526}
1450 1527
1451sub customise_for { 1528sub customise_for {
1596 return if $self->players; 1673 return if $self->players;
1597 return if $self->isa ("ext::map_per_player");#d# 1674 return if $self->isa ("ext::map_per_player");#d#
1598 1675
1599 warn "resetting map ", $self->path;#d# 1676 warn "resetting map ", $self->path;#d#
1600 1677
1678 $self->in_memory (cf::MAP_SWAPPED);
1679
1680 # need to save uniques path
1681 unless ($self->{deny_save}) {
1682 my $uniq = $self->uniq_path; utf8::encode $uniq;
1683
1684 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1685 if $uniq;
1686 }
1687
1601 delete $cf::MAP{$self->path}; 1688 delete $cf::MAP{$self->path};
1602 1689
1603 $self->in_memory (cf::MAP_SWAPPED);
1604 $self->clear; 1690 $self->clear;
1605 1691
1606 $_->clear_links_to ($self) for values %cf::MAP; 1692 $_->clear_links_to ($self) for values %cf::MAP;
1607 1693
1608 $self->unlink_save; 1694 $self->unlink_save;
1798 $map->load; 1884 $map->load;
1799 $map->load_diag; 1885 $map->load_diag;
1800 1886
1801 return unless $self->contr->active; 1887 return unless $self->contr->active;
1802 $self->activate_recursive; 1888 $self->activate_recursive;
1889
1890 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1803 $self->enter_map ($map, $x, $y); 1891 $self->enter_map ($map, $x, $y);
1804} 1892}
1805 1893
1806cf::player->attach ( 1894cf::player->attach (
1807 on_logout => sub { 1895 on_logout => sub {
1820 # try to abort aborted map switching on player login :) 1908 # try to abort aborted map switching on player login :)
1821 # should happen only on crashes 1909 # should happen only on crashes
1822 if ($pl->ob->{_link_pos}) { 1910 if ($pl->ob->{_link_pos}) {
1823 $pl->ob->enter_link; 1911 $pl->ob->enter_link;
1824 (async { 1912 (async {
1825 # we need this sleep as the login has a concurrent enter_exit running
1826 # and this sleep increases chances of the player not ending up in scorn
1827 $pl->ob->reply (undef, 1913 $pl->ob->reply (undef,
1828 "There was an internal problem at your last logout, " 1914 "There was an internal problem at your last logout, "
1829 . "the server will try to bring you to your intended destination in a second.", 1915 . "the server will try to bring you to your intended destination in a second.",
1830 cf::NDI_RED); 1916 cf::NDI_RED);
1917 # we need this sleep as the login has a concurrent enter_exit running
1918 # and this sleep increases chances of the player not ending up in scorn
1831 Coro::Timer::sleep 1; 1919 Coro::Timer::sleep 1;
1832 $pl->ob->leave_link; 1920 $pl->ob->leave_link;
1833 })->prio (2); 1921 })->prio (2);
1834 } 1922 }
1835 }, 1923 },
1918 2006
1919 return unless $self->type == cf::PLAYER; 2007 return unless $self->type == cf::PLAYER;
1920 2008
1921 if ($exit->slaying eq "/!") { 2009 if ($exit->slaying eq "/!") {
1922 #TODO: this should de-fi-ni-te-ly not be a sync-job 2010 #TODO: this should de-fi-ni-te-ly not be a sync-job
2011 # the problem is that $exit might not survive long enough
2012 # so it needs to be done right now, right here
1923 cf::sync_job { prepare_random_map $exit }; 2013 cf::sync_job { prepare_random_map $exit };
1924 } 2014 }
1925 2015
1926 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2016 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927 my $hp = $exit->stats->hp; 2017 my $hp = $exit->stats->hp;
1935 $self->goto ($slaying, $hp, $sp); 2025 $self->goto ($slaying, $hp, $sp);
1936 2026
1937 1; 2027 1;
1938 }) { 2028 }) {
1939 $self->message ("Something went wrong deep within the crossfire server. " 2029 $self->message ("Something went wrong deep within the crossfire server. "
1940 . "I'll try to bring you back to the map you were before. " 2030 . "I'll try to bring you back to the map you were before. "
1941 . "Please report this to the dungeon master!", 2031 . "Please report this to the dungeon master!",
1942 cf::NDI_UNIQUE | cf::NDI_RED); 2032 cf::NDI_UNIQUE | cf::NDI_RED);
1943 2033
1944 warn "ERROR in enter_exit: $@"; 2034 warn "ERROR in enter_exit: $@";
1945 $self->leave_link; 2035 $self->leave_link;
1946 } 2036 }
1947 })->prio (1); 2037 })->prio (1);
1960 2050
1961sub cf::client::send_drawinfo { 2051sub cf::client::send_drawinfo {
1962 my ($self, $text, $flags) = @_; 2052 my ($self, $text, $flags) = @_;
1963 2053
1964 utf8::encode $text; 2054 utf8::encode $text;
1965 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2055 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966} 2056}
1967 2057
2058=item $client->ext_event ($type, %msg)
2059
2060Sends an exti event to the client.
2061
2062=cut
2063
2064sub cf::client::ext_event($$%) {
2065 my ($self, $type, %msg) = @_;
2066
2067 $msg{msgtype} = "event_$type";
2068 $self->send_packet ("ext " . cf::to_json \%msg);
2069}
1968 2070
1969=item $success = $client->query ($flags, "text", \&cb) 2071=item $success = $client->query ($flags, "text", \&cb)
1970 2072
1971Queues a query to the client, calling the given callback with 2073Queues a query to the client, calling the given callback with
1972the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2074the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2001 # get handled first 2103 # get handled first
2002 my $queue = delete $ns->{query_queue} 2104 my $queue = delete $ns->{query_queue}
2003 or return; # be conservative, not sure how that can happen, but we saw a crash here 2105 or return; # be conservative, not sure how that can happen, but we saw a crash here
2004 2106
2005 (shift @$queue)->[1]->($msg); 2107 (shift @$queue)->[1]->($msg);
2108 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006 2109
2007 push @{ $ns->{query_queue} }, @$queue; 2110 push @{ $ns->{query_queue} }, @$queue;
2008 2111
2009 if (@{ $ns->{query_queue} } == @$queue) { 2112 if (@{ $ns->{query_queue} } == @$queue) {
2010 if (@$queue) { 2113 if (@$queue) {
2068 2171
2069# here we export the classes and methods available to script code 2172# here we export the classes and methods available to script code
2070 2173
2071=pod 2174=pod
2072 2175
2073The following fucntions and emthods are available within a safe environment: 2176The following functions and methods are available within a safe environment:
2074 2177
2075 cf::object contr pay_amount pay_player map 2178 cf::object contr pay_amount pay_player map
2076 cf::object::player player 2179 cf::object::player player
2077 cf::player peaceful 2180 cf::player peaceful
2078 cf::map trigger 2181 cf::map trigger
2163############################################################################# 2266#############################################################################
2164 2267
2165=head2 EXTENSION DATABASE SUPPORT 2268=head2 EXTENSION DATABASE SUPPORT
2166 2269
2167Crossfire maintains a very simple database for extension use. It can 2270Crossfire maintains a very simple database for extension use. It can
2168currently store anything that can be serialised using Storable, which 2271currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2169excludes objects. 2272convert to/from binary).
2170 2273
2171The parameter C<$family> should best start with the name of the extension 2274The parameter C<$family> should best start with the name of the extension
2172using it, it should be unique. 2275using it, it should be unique.
2173 2276
2174=over 4 2277=over 4
2175 2278
2176=item $hashref = cf::db_get $family
2177
2178Return a hashref for use by the extension C<$family>, which can be
2179modified. After modifications, you have to call C<cf::db_dirty> or
2180C<cf::db_sync>.
2181
2182=item $value = cf::db_get $family => $key 2279=item $value = cf::db_get $family => $key
2183 2280
2184Returns a single value from the database 2281Returns a single value from the database.
2185
2186=item cf::db_put $family => $hashref
2187
2188Stores the given family hashref into the database. Updates are delayed, if
2189you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190 2282
2191=item cf::db_put $family => $key => $value 2283=item cf::db_put $family => $key => $value
2192 2284
2193Stores the given C<$value> in the family hash. Updates are delayed, if you 2285Stores the given C<$value> in the family.
2194want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196=item cf::db_dirty
2197
2198Marks the database as dirty, to be updated at a later time.
2199
2200=item cf::db_sync
2201
2202Immediately write the database to disk I<if it is dirty>.
2203 2286
2204=cut 2287=cut
2205 2288
2206our $DB; 2289our $DB;
2207 2290
2208{ 2291sub db_init {
2209 my $path = cf::localdir . "/database.pst"; 2292 unless ($DB) {
2293 $DB = BDB::db_create $DB_ENV;
2210 2294
2211 sub db_load() { 2295 cf::sync_job {
2212 $DB = stat $path ? Storable::retrieve $path : { }; 2296 eval {
2213 } 2297 $DB->set_flags (BDB::CHKSUM);
2214 2298
2215 my $pid; 2299 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2216 2300 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2217 sub db_save() { 2301 cf::cleanup "db_open(db): $!" if $!;
2218 waitpid $pid, 0 if $pid; 2302 };
2219 if (0 == ($pid = fork)) { 2303 cf::cleanup "db_open(db): $@" if $@;
2220 $DB->{_meta}{version} = 1;
2221 Storable::nstore $DB, "$path~";
2222 rename "$path~", $path;
2223 cf::_exit 0 if defined $pid;
2224 } 2304 };
2225 } 2305 }
2306}
2226 2307
2227 my $dirty;
2228
2229 sub db_sync() {
2230 db_save if $dirty;
2231 undef $dirty;
2232 }
2233
2234 my $idle = Event->idle (
2235 reentrant => 0,
2236 min => 10,
2237 max => 20,
2238 repeat => 0,
2239 data => WF_AUTOCANCEL,
2240 cb => \&db_sync,
2241 );
2242
2243 sub db_dirty() {
2244 $dirty = 1;
2245 $idle->start;
2246 }
2247
2248 sub db_get($;$) { 2308sub db_get($$) {
2249 @_ >= 2 2309 my $key = "$_[0]/$_[1]";
2250 ? $DB->{$_[0]}{$_[1]}
2251 : ($DB->{$_[0]} ||= { })
2252 }
2253 2310
2311 cf::sync_job {
2312 BDB::db_get $DB, undef, $key, my $data;
2313
2314 $! ? ()
2315 : $data
2316 }
2317}
2318
2254 sub db_put($$;$) { 2319sub db_put($$$) {
2255 if (@_ >= 3) { 2320 BDB::dbreq_pri 4;
2256 $DB->{$_[0]}{$_[1]} = $_[2]; 2321 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2257 } else { 2322}
2258 $DB->{$_[0]} = $_[1];
2259 }
2260 db_dirty;
2261 }
2262 2323
2263 cf::global->attach ( 2324=item cf::cache $id => [$paths...], $processversion => $process
2264 prio => 10000, 2325
2265 on_cleanup => sub { 2326Generic caching function that returns the value of the resource $id,
2266 db_sync; 2327caching and regenerating as required.
2328
2329This function can block.
2330
2331=cut
2332
2333sub cache {
2334 my ($id, $src, $processversion, $process) = @_;
2335
2336 my $meta =
2337 join "\x00",
2338 $processversion,
2339 map {
2340 aio_stat $_
2341 and Carp::croak "$_: $!";
2342
2343 ($_, (stat _)[7,9])
2344 } @$src;
2345
2346 my $dbmeta = db_get cache => "$id/meta";
2347 if ($dbmeta ne $meta) {
2348 # changed, we may need to process
2349
2350 my @data;
2351 my $md5;
2352
2353 for (0 .. $#$src) {
2354 0 <= aio_load $src->[$_], $data[$_]
2355 or Carp::croak "$src->[$_]: $!";
2267 }, 2356 }
2268 ); 2357
2358 # if processing is expensive, check
2359 # checksum first
2360 if (1) {
2361 $md5 =
2362 join "\x00",
2363 $processversion,
2364 map {
2365 Coro::cede;
2366 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2367 } 0.. $#$src;
2368
2369
2370 my $dbmd5 = db_get cache => "$id/md5";
2371 if ($dbmd5 eq $md5) {
2372 db_put cache => "$id/meta", $meta;
2373
2374 return db_get cache => "$id/data";
2375 }
2376 }
2377
2378 my $data = $process->(\@data);
2379
2380 db_put cache => "$id/data", $data;
2381 db_put cache => "$id/md5" , $md5;
2382 db_put cache => "$id/meta", $meta;
2383
2384 return $data;
2385 }
2386
2387 db_get cache => "$id/data"
2269} 2388}
2389
2390=item fork_call { }, $args
2391
2392Executes the given code block with the given arguments in a seperate
2393process, returning the results. Everything must be serialisable with
2394Coro::Storable. May, of course, block. Note that the executed sub may
2395never block itself or use any form of Event handling.
2396
2397=cut
2398
2399sub fork_call(&@) {
2400 my ($cb, @args) = @_;
2401
2402# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403# or die "socketpair: $!";
2404 pipe my $fh1, my $fh2
2405 or die "pipe: $!";
2406
2407 if (my $pid = fork) {
2408 close $fh2;
2409
2410 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411 $res = Coro::Storable::thaw $res;
2412
2413 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415 die $$res unless "ARRAY" eq ref $res;
2416
2417 return wantarray ? @$res : $res->[-1];
2418 } else {
2419 local $SIG{__WARN__};
2420 eval {
2421 local $SIG{__DIE__};
2422 close $fh1;
2423
2424 my @res = eval { $cb->(@args) };
2425 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426 };
2427
2428 warn $@ if $@;
2429 _exit 0;
2430 }
2431}
2432
2433
2270 2434
2271############################################################################# 2435#############################################################################
2272# the server's main() 2436# the server's init and main functions
2437
2438sub load_facedata($) {
2439 my ($path) = @_;
2440
2441 warn "loading facedata from $path\n";
2442
2443 my $facedata;
2444 0 < aio_load $path, $facedata
2445 or die "$path: $!";
2446
2447 $facedata = Coro::Storable::thaw $facedata;
2448
2449 $facedata->{version} == 2
2450 or cf::cleanup "$path: version mismatch, cannot proceed.";
2451
2452 {
2453 my $faces = $facedata->{faceinfo};
2454
2455 while (my ($face, $info) = each %$faces) {
2456 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2457 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2458 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2459 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2460 Coro::cede;
2461 }
2462
2463 while (my ($face, $info) = each %$faces) {
2464 next unless $info->{smooth};
2465 my $idx = cf::face::find $face
2466 or next;
2467 if (my $smooth = cf::face::find $info->{smooth}) {
2468 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2469 } else {
2470 warn "smooth face '$info->{smooth}' not found for face '$face'";
2471 }
2472 Coro::cede;
2473 }
2474 }
2475
2476 {
2477 my $anims = $facedata->{animinfo};
2478
2479 while (my ($anim, $info) = each %$anims) {
2480 cf::anim::set $anim, $info->{frames}, $info->{facings};
2481 Coro::cede;
2482 }
2483
2484 cf::anim::invalidate_all; # d'oh
2485 }
2486
2487 1
2488}
2489
2490sub reload_facedata {
2491 load_facedata sprintf "%s/facedata", cf::datadir
2492 or die "unable to load facedata\n";
2493}
2494
2495sub reload_regions {
2496 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497 or die "unable to load regions file\n";
2498}
2499
2500sub reload_archetypes {
2501 load_resource_file sprintf "%s/archetypes", cf::datadir
2502 or die "unable to load archetypes\n";
2503}
2504
2505sub reload_treasures {
2506 load_resource_file sprintf "%s/treasures", cf::datadir
2507 or die "unable to load treasurelists\n";
2508}
2509
2510sub reload_resources {
2511 warn "reloading resource files...\n";
2512
2513 reload_regions;
2514 reload_facedata;
2515 reload_archetypes;
2516 reload_treasures;
2517
2518 warn "finished reloading resource files\n";
2519}
2520
2521sub init {
2522 reload_resources;
2523}
2273 2524
2274sub cfg_load { 2525sub cfg_load {
2275 open my $fh, "<:utf8", cf::confdir . "/config" 2526 open my $fh, "<:utf8", cf::confdir . "/config"
2276 or return; 2527 or return;
2277 2528
2300 Event::one_event; 2551 Event::one_event;
2301 })->prio (Coro::PRIO_MAX); 2552 })->prio (Coro::PRIO_MAX);
2302 }; 2553 };
2303 2554
2304 cfg_load; 2555 cfg_load;
2305 db_load; 2556 db_init;
2306 load_extensions; 2557 load_extensions;
2307 2558
2308 $TICK_WATCHER->start; 2559 $TICK_WATCHER->start;
2309 Event::loop; 2560 Event::loop;
2310} 2561}
2349 my $map = $cf::MAP{$path} or next; 2600 my $map = $cf::MAP{$path} or next;
2350 $map->valid or next; 2601 $map->valid or next;
2351 $map->save; 2602 $map->save;
2352 } 2603 }
2353 warn "end emergency map save\n"; 2604 warn "end emergency map save\n";
2605
2606 warn "begin emergency database checkpoint\n";
2607 BDB::db_env_txn_checkpoint $DB_ENV;
2608 warn "end emergency database checkpoint\n";
2354 }; 2609 };
2355 2610
2356 warn "leave emergency perl save\n"; 2611 warn "leave emergency perl save\n";
2357} 2612}
2358 2613
2614sub post_cleanup {
2615 my ($make_core) = @_;
2616
2617 warn Carp::longmess "post_cleanup backtrace"
2618 if $make_core;
2619}
2620
2359sub reload() { 2621sub do_reload_perl() {
2360 # can/must only be called in main 2622 # can/must only be called in main
2361 if ($Coro::current != $Coro::main) { 2623 if ($Coro::current != $Coro::main) {
2362 warn "can only reload from main coroutine"; 2624 warn "can only reload from main coroutine";
2363 return; 2625 return;
2364 } 2626 }
2365 2627
2366 warn "reloading..."; 2628 warn "reloading...";
2367 2629
2368 warn "cancelling server ticker"; 2630 warn "entering sync_job";
2369 $TICK_WATCHER->cancel;
2370 2631
2632 cf::sync_job {
2633 cf::write_runtime; # external watchdog should not bark
2371 cf::emergency_save; 2634 cf::emergency_save;
2635 cf::write_runtime; # external watchdog should not bark
2372 2636
2373 eval { 2637 warn "syncing database to disk";
2638 BDB::db_env_txn_checkpoint $DB_ENV;
2639
2374 # if anything goes wrong in here, we should simply crash as we already saved 2640 # if anything goes wrong in here, we should simply crash as we already saved
2375
2376 warn "syncing database to disk";
2377 cf::db_sync;
2378 2641
2379 warn "cancelling all WF_AUTOCANCEL watchers"; 2642 warn "cancelling all WF_AUTOCANCEL watchers";
2380 for (Event::all_watchers) { 2643 for (Event::all_watchers) {
2381 $_->cancel if $_->data & WF_AUTOCANCEL; 2644 $_->cancel if $_->data & WF_AUTOCANCEL;
2382 } 2645 }
2383 2646
2384 warn "flushing outstanding aio requests"; 2647 warn "flushing outstanding aio requests";
2385 for (;;) { 2648 for (;;) {
2649 BDB::flush;
2386 IO::AIO::flush; 2650 IO::AIO::flush;
2387 Coro::cede; 2651 Coro::cede;
2388 last unless IO::AIO::nreqs; 2652 last unless IO::AIO::nreqs || BDB::nreqs;
2389 warn "iterate..."; 2653 warn "iterate...";
2390 } 2654 }
2655
2656 ++$RELOAD;
2391 2657
2392 warn "cancelling all extension coros"; 2658 warn "cancelling all extension coros";
2393 $_->cancel for values %EXT_CORO; 2659 $_->cancel for values %EXT_CORO;
2394 %EXT_CORO = (); 2660 %EXT_CORO = ();
2395 2661
2435 Symbol::delete_package "safe::$_" 2701 Symbol::delete_package "safe::$_"
2436 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2702 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437 2703
2438 warn "unloading cf.pm \"a bit\""; 2704 warn "unloading cf.pm \"a bit\"";
2439 delete $INC{"cf.pm"}; 2705 delete $INC{"cf.pm"};
2706 delete $INC{"cf/pod.pm"};
2440 2707
2441 # don't, removes xs symbols, too, 2708 # don't, removes xs symbols, too,
2442 # and global variables created in xs 2709 # and global variables created in xs
2443 #Symbol::delete_package __PACKAGE__; 2710 #Symbol::delete_package __PACKAGE__;
2444 2711
2448 require cf; 2715 require cf;
2449 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2716 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2450 2717
2451 warn "loading config and database again"; 2718 warn "loading config and database again";
2452 cf::cfg_load; 2719 cf::cfg_load;
2453 cf::db_load;
2454 2720
2455 warn "loading extensions"; 2721 warn "loading extensions";
2456 cf::load_extensions; 2722 cf::load_extensions;
2457 2723
2458 warn "reattaching attachments to objects/players"; 2724 warn "reattaching attachments to objects/players";
2459 _global_reattach; 2725 _global_reattach; # objects, sockets
2460 warn "reattaching attachments to maps"; 2726 warn "reattaching attachments to maps";
2461 reattach $_ for values %MAP; 2727 reattach $_ for values %MAP;
2728 warn "reattaching attachments to players";
2729 reattach $_ for values %PLAYER;
2462 2730
2463 warn "restarting server ticker"; 2731 warn "leaving sync_job";
2464 2732
2465 $TICK_WATCHER->start; 2733 1
2466 }; 2734 } or do {
2467
2468 if ($@) {
2469 warn $@; 2735 warn $@;
2470 warn "error while reloading, exiting."; 2736 warn "error while reloading, exiting.";
2471 exit 1; 2737 exit 1;
2472 } 2738 };
2473 2739
2474 warn "reloaded"; 2740 warn "reloaded";
2475}; 2741};
2476 2742
2477our $RELOAD_WATCHER; # used only during reload 2743our $RELOAD_WATCHER; # used only during reload
2478 2744
2745sub reload_perl() {
2746 # doing reload synchronously and two reloads happen back-to-back,
2747 # coro crashes during coro_state_free->destroy here.
2748
2749 $RELOAD_WATCHER ||= Event->timer (
2750 reentrant => 0,
2751 after => 0,
2752 data => WF_AUTOCANCEL,
2753 cb => sub {
2754 do_reload_perl;
2755 undef $RELOAD_WATCHER;
2756 },
2757 );
2758}
2759
2479register_command "reload" => sub { 2760register_command "reload" => sub {
2480 my ($who, $arg) = @_; 2761 my ($who, $arg) = @_;
2481 2762
2482 if ($who->flag (FLAG_WIZ)) { 2763 if ($who->flag (FLAG_WIZ)) {
2483 $who->message ("reloading server."); 2764 $who->message ("reloading server.");
2484 2765 async { reload_perl };
2485 # doing reload synchronously and two reloads happen back-to-back,
2486 # coro crashes during coro_state_free->destroy here.
2487
2488 $RELOAD_WATCHER ||= Event->timer (
2489 reentrant => 0,
2490 after => 0,
2491 data => WF_AUTOCANCEL,
2492 cb => sub {
2493 reload;
2494 undef $RELOAD_WATCHER;
2495 },
2496 );
2497 } 2766 }
2498}; 2767};
2499 2768
2500unshift @INC, $LIBDIR; 2769unshift @INC, $LIBDIR;
2501 2770
2502my $bug_warning = 0; 2771my $bug_warning = 0;
2772
2773our @WAIT_FOR_TICK;
2774our @WAIT_FOR_TICK_BEGIN;
2775
2776sub wait_for_tick {
2777 return unless $TICK_WATCHER->is_active;
2778 return if $Coro::current == $Coro::main;
2779
2780 my $signal = new Coro::Signal;
2781 push @WAIT_FOR_TICK, $signal;
2782 $signal->wait;
2783}
2784
2785sub wait_for_tick_begin {
2786 return unless $TICK_WATCHER->is_active;
2787 return if $Coro::current == $Coro::main;
2788
2789 my $signal = new Coro::Signal;
2790 push @WAIT_FOR_TICK_BEGIN, $signal;
2791 $signal->wait;
2792}
2503 2793
2504$TICK_WATCHER = Event->timer ( 2794$TICK_WATCHER = Event->timer (
2505 reentrant => 0, 2795 reentrant => 0,
2506 parked => 1, 2796 parked => 1,
2507 prio => 0, 2797 prio => 0,
2515 } 2805 }
2516 2806
2517 $NOW = Event::time; 2807 $NOW = Event::time;
2518 2808
2519 cf::server_tick; # one server iteration 2809 cf::server_tick; # one server iteration
2810
2520 $RUNTIME += $TICK; 2811 $RUNTIME += $TICK;
2521 $NEXT_TICK += $TICK; 2812 $NEXT_TICK += $TICK;
2522 2813
2523 $WAIT_FOR_TICK->broadcast; 2814 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2524 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2815 $NEXT_RUNTIME_WRITE = $NOW + 10;
2525 2816 Coro::async_pool {
2526 Event::sweep; 2817 write_runtime
2527 Coro::cede_notself; 2818 or warn "ERROR: unable to write runtime file: $!";
2819 };
2528 2820 }
2821
2529# my $AFTER = Event::time; 2822# my $AFTER = Event::time;
2530# warn $AFTER - $NOW;#d# 2823# warn $AFTER - $NOW;#d#
2531 2824
2532 # if we are delayed by four ticks or more, skip them all 2825 # if we are delayed by four ticks or more, skip them all
2533 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2826 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2534 2827
2535 $TICK_WATCHER->at ($NEXT_TICK); 2828 $TICK_WATCHER->at ($NEXT_TICK);
2536 $TICK_WATCHER->start; 2829 $TICK_WATCHER->start;
2830
2831 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2832 $sig->send;
2833 }
2834 while (my $sig = shift @WAIT_FOR_TICK) {
2835 $sig->send;
2836 }
2837
2838 _post_tick;
2537 }, 2839 },
2538); 2840);
2539 2841
2842{
2843 BDB::max_poll_time $TICK * 0.1;
2844 $BDB_POLL_WATCHER = Event->io (
2845 reentrant => 0,
2846 fd => BDB::poll_fileno,
2847 poll => 'r',
2848 prio => 0,
2849 data => WF_AUTOCANCEL,
2850 cb => \&BDB::poll_cb,
2851 );
2852 BDB::min_parallel 8;
2853
2854 BDB::set_sync_prepare {
2855 my $status;
2856 my $current = $Coro::current;
2857 (
2858 sub {
2859 $status = $!;
2860 $current->ready; undef $current;
2861 },
2862 sub {
2863 Coro::schedule while defined $current;
2864 $! = $status;
2865 },
2866 )
2867 };
2868
2869 unless ($DB_ENV) {
2870 $DB_ENV = BDB::db_env_create;
2871
2872 cf::sync_job {
2873 eval {
2874 BDB::db_env_open
2875 $DB_ENV,
2876 $BDB_ENV_DIR,
2877 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2878 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2879 0666;
2880
2881 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2882
2883 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2884 $DB_ENV->set_lk_detect;
2885 };
2886
2887 cf::cleanup "db_env_open(db): $@" if $@;
2888 };
2889 }
2890}
2891
2892{
2893 IO::AIO::min_parallel 8;
2894
2895 undef $Coro::AIO::WATCHER;
2540IO::AIO::max_poll_time $TICK * 0.1; 2896 IO::AIO::max_poll_time $TICK * 0.1;
2541
2542undef $Coro::AIO::WATCHER;
2543$AIO_POLL_WATCHER = Event->io ( 2897 $AIO_POLL_WATCHER = Event->io (
2544 reentrant => 0, 2898 reentrant => 0,
2899 data => WF_AUTOCANCEL,
2545 fd => IO::AIO::poll_fileno, 2900 fd => IO::AIO::poll_fileno,
2546 poll => 'r', 2901 poll => 'r',
2547 prio => 6, 2902 prio => 6,
2548 data => WF_AUTOCANCEL,
2549 cb => \&IO::AIO::poll_cb, 2903 cb => \&IO::AIO::poll_cb,
2550); 2904 );
2905}
2551 2906
2552$WRITE_RUNTIME_WATCHER = Event->timer ( 2907# load additional modules
2553 reentrant => 0, 2908use cf::pod;
2554 data => WF_AUTOCANCEL,
2555 after => 1,
2556 interval => 10,
2557 prio => 6, # keep it lowest so it acts like a watchdog
2558 cb => Coro::unblock_sub {
2559 write_runtime
2560 or warn "ERROR: unable to write runtime file: $!";
2561 },
2562);
2563 2909
2564END { cf::emergency_save } 2910END { cf::emergency_save }
2565 2911
25661 29121
2567 2913

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines