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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.250 by root, Wed Apr 18 14:24:10 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 3.3 (); 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;
63our $AIO_POLL_WATCHER;
64our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49our $NEXT_TICK; 65our $NEXT_TICK;
50our $NOW; 66our $NOW;
67our $USE_FSYNC = 1; # use fsync to write maps - default off
68
69our $BDB_POLL_WATCHER;
70our $DB_ENV;
51 71
52our %CFG; 72our %CFG;
53 73
54our $UPTIME; $UPTIME ||= time; 74our $UPTIME; $UPTIME ||= time;
55our $RUNTIME; 75our $RUNTIME;
56 76
57our %PLAYER; # all users 77our %PLAYER; # all users
58our %MAP; # all maps 78our %MAP; # all maps
59our $LINK_MAP; # the special {link} map, which is always available 79our $LINK_MAP; # the special {link} map, which is always available
60our $RANDOM_MAPS = cf::localdir . "/random"; 80our $RANDOM_MAPS = cf::localdir . "/random";
61 81our $BDB_ENV_DIR = cf::localdir . "/db";
62our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64 82
65# 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 ∕
66our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 84our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67 85
68binmode STDOUT; 86binmode STDOUT;
78mkdir cf::localdir; 96mkdir cf::localdir;
79mkdir cf::localdir . "/" . cf::playerdir; 97mkdir cf::localdir . "/" . cf::playerdir;
80mkdir cf::localdir . "/" . cf::tmpdir; 98mkdir cf::localdir . "/" . cf::tmpdir;
81mkdir cf::localdir . "/" . cf::uniquedir; 99mkdir cf::localdir . "/" . cf::uniquedir;
82mkdir $RANDOM_MAPS; 100mkdir $RANDOM_MAPS;
101mkdir $BDB_ENV_DIR;
83 102
84our $EMERGENCY_POSITION; 103our $EMERGENCY_POSITION;
104
105sub cf::map::normalise;
85 106
86############################################################################# 107#############################################################################
87 108
88=head2 GLOBAL VARIABLES 109=head2 GLOBAL VARIABLES
89 110
114=item %cf::CFG 135=item %cf::CFG
115 136
116Configuration for the server, loaded from C</etc/crossfire/config>, or 137Configuration for the server, loaded from C</etc/crossfire/config>, or
117from wherever your confdir points to. 138from wherever your confdir points to.
118 139
119=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 140=item cf::wait_for_tick, cf::wait_for_tick_begin
120 141
121These 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
122or 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
123processing 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.
124window of cpu time available, or simply to synchronise to the server tick.
125 145
126=back 146=back
127 147
128=cut 148=cut
129 149
130BEGIN { 150BEGIN {
131 *CORE::GLOBAL::warn = sub { 151 *CORE::GLOBAL::warn = sub {
132 my $msg = join "", @_; 152 my $msg = join "", @_;
133 utf8::encode $msg;
134 153
135 $msg .= "\n" 154 $msg .= "\n"
136 unless $msg =~ /\n$/; 155 unless $msg =~ /\n$/;
137 156
157 $msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158
159 utf8::encode $msg;
138 LOG llevError, $msg; 160 LOG llevError, $msg;
139 }; 161 };
140} 162}
141 163
142@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 164@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 210 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189 $d 211 $d
190 } || "[unable to dump $_[0]: '$@']"; 212 } || "[unable to dump $_[0]: '$@']";
191} 213}
192 214
193use JSON::Syck (); # TODO# replace by JSON::PC once working 215use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194 216
195=item $ref = cf::from_json $json 217=item $ref = cf::from_json $json
196 218
197Converts a JSON string into the corresponding perl data structure. 219Converts a JSON string into the corresponding perl data structure.
198 220
199=cut
200
201sub from_json($) {
202 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203 JSON::Syck::Load $_[0]
204}
205
206=item $json = cf::to_json $ref 221=item $json = cf::to_json $ref
207 222
208Converts a perl data structure into its JSON representation. 223Converts a perl data structure into its JSON representation.
209
210=cut
211
212sub to_json($) {
213 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214 JSON::Syck::Dump $_[0]
215}
216 224
217=item cf::lock_wait $string 225=item cf::lock_wait $string
218 226
219Wait until the given lock is available. See cf::lock_acquire. 227Wait until the given lock is available. See cf::lock_acquire.
220 228
257} 265}
258 266
259sub freeze_mainloop { 267sub freeze_mainloop {
260 return unless $TICK_WATCHER->is_active; 268 return unless $TICK_WATCHER->is_active;
261 269
262 my $guard = Coro::guard { $TICK_WATCHER->start }; 270 my $guard = Coro::guard {
271 $TICK_WATCHER->start;
272 };
263 $TICK_WATCHER->stop; 273 $TICK_WATCHER->stop;
264 $guard 274 $guard
265} 275}
266 276
267=item cf::async { BLOCK } 277=item cf::async { BLOCK }
338 348
339 $coro 349 $coro
340} 350}
341 351
342sub write_runtime { 352sub write_runtime {
343 return unless $TICK_WATCHER->is_active; 353 my $guard = cf::lock_acquire "write_runtime";
344 354
345 my $runtime = cf::localdir . "/runtime"; 355 my $runtime = cf::localdir . "/runtime";
346 356
347 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 357 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
348 or return; 358 or return;
349 359
360 my $value = $cf::RUNTIME + 90 + 10;
350 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 361 # 10 is the runtime save interval, for a monotonic clock
362 # 60 allows for the watchdog to kill the server.
363
351 (aio_write $fh, 0, (length $value), $value, 0) <= 0 364 (aio_write $fh, 0, (length $value), $value, 0) <= 0
352 and return; 365 and return;
353 366
367 # always fsync - this file is important
354 aio_fsync $fh 368 aio_fsync $fh
355 and return; 369 and return;
356 370
357 close $fh 371 close $fh
358 or return; 372 or return;
359 373
360 aio_rename "$runtime~", $runtime 374 aio_rename "$runtime~", $runtime
361 and return; 375 and return;
362 376
363 1 377 1
378}
379
380=item cf::datalog type => key => value, ...
381
382Log a datalog packet of the given type with the given key-value pairs.
383
384=cut
385
386sub datalog($@) {
387 my ($type, %kv) = @_;
388 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364} 389}
365 390
366=back 391=back
367 392
368=cut 393=cut
499our @CB_TYPE = (); # registry for type (cf-object class) based events 524our @CB_TYPE = (); # registry for type (cf-object class) based events
500our @CB_MAP = (); 525our @CB_MAP = ();
501 526
502my %attachment; 527my %attachment;
503 528
529sub cf::attachable::thawer_merge {
530 # simply override everything except _meta
531 local $_[0]{_meta};
532 %{$_[0]} = %{$_[1]};
533}
534
504sub _attach_cb($$$$) { 535sub _attach_cb($$$$) {
505 my ($registry, $event, $prio, $cb) = @_; 536 my ($registry, $event, $prio, $cb) = @_;
506 537
507 use sort 'stable'; 538 use sort 'stable';
508 539
679# object support 710# object support
680 711
681sub reattach { 712sub reattach {
682 # basically do the same as instantiate, without calling instantiate 713 # basically do the same as instantiate, without calling instantiate
683 my ($obj) = @_; 714 my ($obj) = @_;
715
716 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684 717
685 my $registry = $obj->registry; 718 my $registry = $obj->registry;
686 719
687 @$registry = (); 720 @$registry = ();
688 721
735 $filename, length $$rdata, scalar @$objs; 768 $filename, length $$rdata, scalar @$objs;
736 769
737 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 770 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738 chmod SAVE_MODE, $fh; 771 chmod SAVE_MODE, $fh;
739 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 772 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740 aio_fsync $fh; 773 aio_fsync $fh if $cf::USE_FSYNC;
741 close $fh; 774 close $fh;
742 775
743 if (@$objs) { 776 if (@$objs) {
744 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 777 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745 chmod SAVE_MODE, $fh; 778 chmod SAVE_MODE, $fh;
746 my $data = Storable::nfreeze { version => 1, objs => $objs }; 779 my $data = Storable::nfreeze { version => 1, objs => $objs };
747 aio_write $fh, 0, (length $data), $data, 0; 780 aio_write $fh, 0, (length $data), $data, 0;
748 aio_fsync $fh; 781 aio_fsync $fh if $cf::USE_FSYNC;
749 close $fh; 782 close $fh;
750 aio_rename "$filename.pst~", "$filename.pst"; 783 aio_rename "$filename.pst~", "$filename.pst";
751 } 784 }
752 } else { 785 } else {
753 aio_unlink "$filename.pst"; 786 aio_unlink "$filename.pst";
900 } or warn "$ext not loaded: $@"; 933 } or warn "$ext not loaded: $@";
901 } 934 }
902} 935}
903 936
904############################################################################# 937#############################################################################
905# load/save/clean perl data associated with a map
906
907*cf::mapsupport::on_clean = sub {
908 my ($map) = @_;
909
910 my $path = $map->tmpname;
911 defined $path or return;
912
913 unlink "$path.pst";
914};
915
916cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918#############################################################################
919 938
920=head2 CORE EXTENSIONS 939=head2 CORE EXTENSIONS
921 940
922Functions and methods that extend core crossfire objects. 941Functions and methods that extend core crossfire objects.
923 942
946} 965}
947 966
948sub path($) { 967sub path($) {
949 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 968 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950 969
951 (playerdir $login) . "/$login.pl" 970 (playerdir $login) . "/playerdata"
952} 971}
953 972
954sub find_active($) { 973sub find_active($) {
955 $cf::PLAYER{$_[0]} 974 $cf::PLAYER{$_[0]}
956 and $cf::PLAYER{$_[0]}->active 975 and $cf::PLAYER{$_[0]}->active
959 978
960sub exists($) { 979sub exists($) {
961 my ($login) = @_; 980 my ($login) = @_;
962 981
963 $cf::PLAYER{$login} 982 $cf::PLAYER{$login}
964 or cf::sync_job { !aio_stat $login } 983 or cf::sync_job { !aio_stat path $login }
965} 984}
966 985
967sub find($) { 986sub find($) {
968 return $cf::PLAYER{$_[0]} || do { 987 return $cf::PLAYER{$_[0]} || do {
969 my $login = $_[0]; 988 my $login = $_[0];
970 989
971 my $guard = cf::lock_acquire "user_find:$login"; 990 my $guard = cf::lock_acquire "user_find:$login";
972 991
973 $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
974 my $pl = load_pl path $login 1000 my $pl = load_pl path $login
975 or return; 1001 or return;
976 $cf::PLAYER{$login} = $pl 1002 $cf::PLAYER{$login} = $pl
977 } 1003 }
978 } 1004 }
1015 1041
1016=cut 1042=cut
1017 1043
1018sub quit_character { 1044sub quit_character {
1019 my ($pl) = @_; 1045 my ($pl) = @_;
1046
1047 my $name = $pl->ob->name;
1020 1048
1021 $pl->{deny_save} = 1; 1049 $pl->{deny_save} = 1;
1022 $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
1023 1051
1024 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1052 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1029 my $path = playerdir $pl; 1057 my $path = playerdir $pl;
1030 my $temp = "$path~$cf::RUNTIME~deleting~"; 1058 my $temp = "$path~$cf::RUNTIME~deleting~";
1031 aio_rename $path, $temp; 1059 aio_rename $path, $temp;
1032 delete $cf::PLAYER{$pl->ob->name}; 1060 delete $cf::PLAYER{$pl->ob->name};
1033 $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
1034 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;
1035} 1083}
1036 1084
1037=item cf::player::list_logins 1085=item cf::player::list_logins
1038 1086
1039Returns 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
1067=cut 1115=cut
1068 1116
1069sub maps($) { 1117sub maps($) {
1070 my ($pl) = @_; 1118 my ($pl) = @_;
1071 1119
1120 $pl = ref $pl ? $pl->ob->name : $pl;
1121
1072 my $files = aio_readdir playerdir $pl 1122 my $files = aio_readdir playerdir $pl
1073 or return; 1123 or return;
1074 1124
1075 my @paths; 1125 my @paths;
1076 1126
1077 for (@$files) { 1127 for (@$files) {
1078 utf8::decode $_; 1128 utf8::decode $_;
1079 next if /\.(?:pl|pst)$/; 1129 next if /\.(?:pl|pst)$/;
1080 next unless /^$PATH_SEP/o; 1130 next unless /^$PATH_SEP/o;
1081 1131
1082 push @paths, "~" . $pl->ob->name . "/" . $_; 1132 push @paths, cf::map::normalise "~$pl/$_";
1083 } 1133 }
1084 1134
1085 \@paths 1135 \@paths
1086} 1136}
1087 1137
1088=item $player->ext_reply ($msgid, $msgtype, %msg) 1138=item $player->ext_reply ($msgid, %msg)
1089 1139
1090Sends an ext reply to the player. 1140Sends an ext reply to the player.
1091 1141
1092=cut 1142=cut
1093 1143
1094sub ext_reply($$$%) { 1144sub ext_reply($$%) {
1095 my ($self, $id, %msg) = @_; 1145 my ($self, $id, %msg) = @_;
1096 1146
1097 $msg{msgid} = $id; 1147 $msg{msgid} = $id;
1098 1148
1099 $self->send ("ext " . cf::to_json \%msg); 1149 $self->send ("ext " . cf::to_json \%msg);
1100} 1150}
1101 1151
1102package cf; 1152=item $player->ext_event ($type, %msg)
1153
1154Sends an ext event to the client.
1155
1156=cut
1157
1158sub ext_event($$%) {
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}
1103 1192
1104=back 1193=back
1105
1106 1194
1107=head3 cf::map 1195=head3 cf::map
1108 1196
1109=over 4 1197=over 4
1110 1198
1114 1202
1115use Fcntl; 1203use Fcntl;
1116use Coro::AIO; 1204use Coro::AIO;
1117 1205
1118use overload 1206use overload
1119 '""' => \&as_string; 1207 '""' => \&as_string,
1208 fallback => 1;
1120 1209
1121our $MAX_RESET = 3600; 1210our $MAX_RESET = 3600;
1122our $DEFAULT_RESET = 3000; 1211our $DEFAULT_RESET = 3000;
1123 1212
1124sub generate_random_map { 1213sub generate_random_map {
1125 my ($self, $rmp) = @_; 1214 my ($self, $rmp) = @_;
1126
1127 # mit "rum" bekleckern, nicht 1215 # mit "rum" bekleckern, nicht
1128 $self->_create_random_map ( 1216 $self->_create_random_map (
1129 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1217 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1218 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1219 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1226 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139 (cf::region::find $rmp->{region}), $rmp->{custom} 1227 (cf::region::find $rmp->{region}), $rmp->{custom}
1140 ) 1228 )
1141} 1229}
1142 1230
1231=item cf::map->register ($regex, $prio)
1232
1233Register a handler for the map path matching the given regex at the
1234givne priority (higher is better, built-in handlers have priority 0, the
1235default).
1236
1237=cut
1238
1143sub register { 1239sub register {
1144 my (undef, $regex) = @_; 1240 my (undef, $regex, $prio) = @_;
1145 my $pkg = caller; 1241 my $pkg = caller;
1146 1242
1147 no strict; 1243 no strict;
1148 push @{"$pkg\::ISA"}, __PACKAGE__; 1244 push @{"$pkg\::ISA"}, __PACKAGE__;
1149 1245
1150 $EXT_MAP{$pkg} = qr<$regex>; 1246 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151} 1247}
1152 1248
1153# also paths starting with '/' 1249# also paths starting with '/'
1154$EXT_MAP{"cf::map"} = qr{^(?=/)}; 1250$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1251
1252sub thawer_merge {
1253 my ($self, $merge) = @_;
1254
1255 # we have to keep some variables in memory intact
1256 local $self->{path};
1257 local $self->{load_path};
1258 local $self->{deny_save};
1259 local $self->{deny_reset};
1260
1261 $self->SUPER::thawer_merge ($merge);
1262}
1155 1263
1156sub normalise { 1264sub normalise {
1157 my ($path, $base) = @_; 1265 my ($path, $base) = @_;
1266
1267 $path = "$path"; # make sure its a string
1268
1269 $path =~ s/\.map$//;
1158 1270
1159 # map plan: 1271 # map plan:
1160 # 1272 #
1161 # /! non-realised random map exit (special hack!) 1273 # /! non-realised random map exit (special hack!)
1162 # {... are special paths that are not being touched 1274 # {... are special paths that are not being touched
1190 1302
1191 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object 1303 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192 1304
1193 $path = normalise $path, $base; 1305 $path = normalise $path, $base;
1194 1306
1195 for my $pkg (keys %EXT_MAP) { 1307 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196 if ($path =~ $EXT_MAP{$pkg}) { 1308 if ($path =~ $EXT_MAP{$pkg}[1]) {
1197 my $self = bless cf::map::new, $pkg; 1309 my $self = bless cf::map::new, $pkg;
1198 $self->{path} = $path; $self->path ($path); 1310 $self->{path} = $path; $self->path ($path);
1199 $self->init; # pass $1 etc. 1311 $self->init; # pass $1 etc.
1200 return $self; 1312 return $self;
1201 } 1313 }
1202 } 1314 }
1203 1315
1204 Carp::carp "unable to resolve path '$path'."; 1316 Carp::carp "unable to resolve path '$path' (base '$base').";
1205 () 1317 ()
1206} 1318}
1207 1319
1208sub init { 1320sub init {
1209 my ($self) = @_; 1321 my ($self) = @_;
1220# the displayed name, this is a one way mapping 1332# the displayed name, this is a one way mapping
1221sub visible_name { 1333sub visible_name {
1222 &as_string 1334 &as_string
1223} 1335}
1224 1336
1225# escape the /'s in the path
1226sub _escaped_path {
1227 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229 $path
1230}
1231
1232# the original (read-only) location 1337# the original (read-only) location
1233sub load_path { 1338sub load_path {
1234 my ($self) = @_; 1339 my ($self) = @_;
1235 1340
1236 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1341 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1237} 1342}
1238 1343
1239# the temporary/swap location 1344# the temporary/swap location
1240sub save_path { 1345sub save_path {
1241 my ($self) = @_; 1346 my ($self) = @_;
1242 1347
1348 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1243 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path 1349 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1244} 1350}
1245 1351
1246# the unique path, undef == no special unique path 1352# the unique path, undef == no special unique path
1247sub uniq_path { 1353sub uniq_path {
1248 my ($self) = @_; 1354 my ($self) = @_;
1249 1355
1356 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1250 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path 1357 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1251} 1358}
1252 1359
1253# and all this just because we cannot iterate over 1360# and all this just because we cannot iterate over
1254# all maps in C++... 1361# all maps in C++...
1255sub change_all_map_light { 1362sub change_all_map_light {
1261 1368
1262sub unlink_save { 1369sub unlink_save {
1263 my ($self) = @_; 1370 my ($self) = @_;
1264 1371
1265 utf8::encode (my $save = $self->save_path); 1372 utf8::encode (my $save = $self->save_path);
1266 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save; 1373 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst"; 1374 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268} 1375}
1269 1376
1270sub load_header_from($) { 1377sub load_header_from($) {
1271 my ($self, $path) = @_; 1378 my ($self, $path) = @_;
1272 1379
1273 utf8::encode $path; 1380 utf8::encode $path;
1274 aio_open $path, O_RDONLY, 0 1381 #aio_open $path, O_RDONLY, 0
1275 or return; 1382 # or return;
1276 1383
1277 $self->_load_header ($path) 1384 $self->_load_header ($path)
1278 or return; 1385 or return;
1279 1386
1280 $self->{load_path} = $path; 1387 $self->{load_path} = $path;
1281 1388
1282 1 1389 1
1283} 1390}
1284 1391
1285sub load_orig { 1392sub load_header_orig {
1286 my ($self) = @_; 1393 my ($self) = @_;
1287 1394
1288 $self->load_header_from ($self->load_path) 1395 $self->load_header_from ($self->load_path)
1289} 1396}
1290 1397
1291sub load_temp { 1398sub load_header_temp {
1292 my ($self) = @_; 1399 my ($self) = @_;
1293 1400
1294 $self->load_header_from ($self->save_path) 1401 $self->load_header_from ($self->save_path)
1402}
1403
1404sub prepare_temp {
1405 my ($self) = @_;
1406
1407 $self->last_access ((delete $self->{last_access})
1408 || $cf::RUNTIME); #d#
1409 # safety
1410 $self->{instantiate_time} = $cf::RUNTIME
1411 if $self->{instantiate_time} > $cf::RUNTIME;
1412}
1413
1414sub prepare_orig {
1415 my ($self) = @_;
1416
1417 $self->{load_original} = 1;
1418 $self->{instantiate_time} = $cf::RUNTIME;
1419 $self->last_access ($cf::RUNTIME);
1420 $self->instantiate;
1295} 1421}
1296 1422
1297sub load_header { 1423sub load_header {
1298 my ($self) = @_; 1424 my ($self) = @_;
1299 1425
1300 if ($self->load_temp) { 1426 if ($self->load_header_temp) {
1301 $self->last_access ((delete $self->{last_access}) 1427 $self->prepare_temp;
1302 || $cf::RUNTIME); #d#
1303 # safety
1304 $self->{instantiate_time} = $cf::RUNTIME
1305 if $self->{instantiate_time} > $cf::RUNTIME;
1306 } else { 1428 } else {
1307 $self->load_orig 1429 $self->load_header_orig
1308 or return; 1430 or return;
1309 1431 $self->prepare_orig;
1310 $self->{load_original} = 1;
1311 $self->{instantiate_time} = $cf::RUNTIME;
1312 $self->last_access ($cf::RUNTIME);
1313 $self->instantiate;
1314 } 1432 }
1433
1434 $self->default_region (cf::region::find_by_path $self->{path})
1435 unless $self->default_region;
1315 1436
1316 1 1437 1
1317} 1438}
1318 1439
1319sub find; 1440sub find;
1332 $map->{last_save} = $cf::RUNTIME; 1453 $map->{last_save} = $cf::RUNTIME;
1333 1454
1334 $map->load_header 1455 $map->load_header
1335 or return; 1456 or return;
1336 1457
1337 if ($map->should_reset) { 1458 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1459 # doing this can freeze the server in a sync job, obviously
1460 #$cf::WAIT_FOR_TICK->wait;
1338 $map->reset; 1461 $map->reset;
1339 undef $guard; 1462 undef $guard;
1340 $map = find $path 1463 return find $path;
1341 or return;
1342 } 1464 }
1343 1465
1344 $cf::MAP{$path} = $map 1466 $cf::MAP{$path} = $map
1345 } 1467 }
1346} 1468}
1469
1470sub pre_load { }
1471sub post_load { }
1347 1472
1348sub load { 1473sub load {
1349 my ($self) = @_; 1474 my ($self) = @_;
1350 1475
1476 local $self->{deny_reset} = 1; # loading can take a long time
1477
1351 my $path = $self->{path}; 1478 my $path = $self->{path};
1352 my $guard = cf::lock_acquire "map_load:$path"; 1479 my $guard = cf::lock_acquire "map_load:$path";
1353 1480
1354 return if $self->in_memory != cf::MAP_SWAPPED; 1481 return if $self->in_memory != cf::MAP_SWAPPED;
1355 1482
1356 $self->in_memory (cf::MAP_LOADING); 1483 $self->in_memory (cf::MAP_LOADING);
1357 1484
1358 $self->alloc; 1485 $self->alloc;
1486
1487 $self->pre_load;
1488 Coro::cede;
1489
1359 $self->_load_objects ($self->{load_path}, 1) 1490 $self->_load_objects ($self->{load_path}, 1)
1360 or return; 1491 or return;
1361 1492
1362 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1493 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1363 if delete $self->{load_original}; 1494 if delete $self->{load_original};
1369 $self->_load_objects ($uniq, 0); 1500 $self->_load_objects ($uniq, 0);
1370 } 1501 }
1371 } 1502 }
1372 1503
1373 Coro::cede; 1504 Coro::cede;
1374
1375 # now do the right thing for maps 1505 # now do the right thing for maps
1376 $self->link_multipart_objects; 1506 $self->link_multipart_objects;
1507 Coro::cede;
1377 1508
1378 unless ($self->{deny_activate}) { 1509 unless ($self->{deny_activate}) {
1379 $self->decay_objects; 1510 $self->decay_objects;
1380 $self->fix_auto_apply; 1511 $self->fix_auto_apply;
1381 $self->update_buttons; 1512 $self->update_buttons;
1383 $self->set_darkness_map; 1514 $self->set_darkness_map;
1384 $self->difficulty ($self->estimate_difficulty) 1515 $self->difficulty ($self->estimate_difficulty)
1385 unless $self->difficulty; 1516 unless $self->difficulty;
1386 Coro::cede; 1517 Coro::cede;
1387 $self->activate; 1518 $self->activate;
1519 Coro::cede;
1388 } 1520 }
1521
1522 $self->post_load;
1523 Coro::cede;
1389 1524
1390 $self->in_memory (cf::MAP_IN_MEMORY); 1525 $self->in_memory (cf::MAP_IN_MEMORY);
1391} 1526}
1392 1527
1393sub customise_for { 1528sub customise_for {
1434 1569
1435 cf::sync_job { $map->load }; 1570 cf::sync_job { $map->load };
1436} 1571}
1437 1572
1438our %MAP_PREFETCH; 1573our %MAP_PREFETCH;
1439our $MAP_PREFETCHER = Coro::async { 1574our $MAP_PREFETCHER = undef;
1440 while () {
1441 for my $path (keys %MAP_PREFETCH) {
1442 my $map = find $path
1443 or next;
1444 $map->load;
1445
1446 delete $MAP_PREFETCH{$path};
1447 }
1448 Coro::schedule;
1449 }
1450};
1451 1575
1452sub find_async { 1576sub find_async {
1453 my ($path, $origin) = @_; 1577 my ($path, $origin) = @_;
1454 1578
1455 $path = normalise $path, $origin && $origin->{path}; 1579 $path = normalise $path, $origin && $origin->{path};
1456 1580
1457 if (my $map = $cf::MAP{$path}) { 1581 if (my $map = $cf::MAP{$path}) {
1458 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1582 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1459 } 1583 }
1460 1584
1461 $MAP_PREFETCH{$path} = 0; 1585 undef $MAP_PREFETCH{$path};
1586 $MAP_PREFETCHER ||= cf::async {
1587 while (%MAP_PREFETCH) {
1588 for my $path (keys %MAP_PREFETCH) {
1589 my $map = find $path
1590 or next;
1591 $map->load;
1592
1593 delete $MAP_PREFETCH{$path};
1594 }
1595 }
1596 undef $MAP_PREFETCHER;
1597 };
1462 $MAP_PREFETCHER->ready; 1598 $MAP_PREFETCHER->prio (6);
1463 1599
1464 () 1600 ()
1465} 1601}
1466 1602
1467sub save { 1603sub save {
1512 1648
1513sub reset_at { 1649sub reset_at {
1514 my ($self) = @_; 1650 my ($self) = @_;
1515 1651
1516 # TODO: safety, remove and allow resettable per-player maps 1652 # TODO: safety, remove and allow resettable per-player maps
1517 return 1e99 if $self->isa ("ext::map_per_player"); 1653 return 1e99 if $self->isa ("ext::map_per_player");#d#
1518 return 1e99 if $self->{deny_reset}; 1654 return 1e99 if $self->{deny_reset};
1519 1655
1520 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1656 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1657 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522 1658
1527 my ($self) = @_; 1663 my ($self) = @_;
1528 1664
1529 $self->reset_at <= $cf::RUNTIME 1665 $self->reset_at <= $cf::RUNTIME
1530} 1666}
1531 1667
1532sub rename {
1533 my ($self, $new_path) = @_;
1534
1535 normalise $new_path;
1536
1537 $self->unlink_save;
1538
1539 delete $cf::MAP{$self->path};
1540 $self->{path} = $new_path; $self->path ($self->{path});
1541 $cf::MAP{$self->path} = $self;
1542
1543 $self->save;
1544}
1545
1546sub reset { 1668sub reset {
1547 my ($self) = @_; 1669 my ($self) = @_;
1548 1670
1549 my $lock = cf::lock_acquire "map_data:" . $self->path; 1671 my $lock = cf::lock_acquire "map_data:$self->{path}";
1550 1672
1551 return if $self->players; 1673 return if $self->players;
1552 return if $self->isa ("ext::map_per_player");#d# 1674 return if $self->isa ("ext::map_per_player");#d#
1553 1675
1554 warn "resetting map ", $self->path;#d# 1676 warn "resetting map ", $self->path;#d#
1555 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
1556 delete $cf::MAP{$self->path}; 1688 delete $cf::MAP{$self->path};
1689
1690 $self->clear;
1557 1691
1558 $_->clear_links_to ($self) for values %cf::MAP; 1692 $_->clear_links_to ($self) for values %cf::MAP;
1559 1693
1560 $self->unlink_save; 1694 $self->unlink_save;
1561 $self->destroy; 1695 $self->destroy;
1564my $nuke_counter = "aaaa"; 1698my $nuke_counter = "aaaa";
1565 1699
1566sub nuke { 1700sub nuke {
1567 my ($self) = @_; 1701 my ($self) = @_;
1568 1702
1703 delete $cf::MAP{$self->path};
1704
1705 $self->unlink_save;
1706
1707 bless $self, "cf::map";
1708 delete $self->{deny_reset};
1569 $self->{deny_save} = 1; 1709 $self->{deny_save} = 1;
1570 $self->reset_timeout (1); 1710 $self->reset_timeout (1);
1571 $self->rename ("{nuke}/" . ($nuke_counter++)); 1711 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712
1713 $cf::MAP{$self->path} = $self;
1714
1572 $self->reset; # polite request, might not happen 1715 $self->reset; # polite request, might not happen
1573} 1716}
1574 1717
1575=item cf::map::unique_maps 1718=item cf::map::unique_maps
1576 1719
1588 for (@$files) { 1731 for (@$files) {
1589 utf8::decode $_; 1732 utf8::decode $_;
1590 next if /\.pst$/; 1733 next if /\.pst$/;
1591 next unless /^$PATH_SEP/o; 1734 next unless /^$PATH_SEP/o;
1592 1735
1593 push @paths, $_; 1736 push @paths, cf::map::normalise $_;
1594 } 1737 }
1595 1738
1596 \@paths 1739 \@paths
1597} 1740}
1598 1741
1692=cut 1835=cut
1693 1836
1694sub link_map { 1837sub link_map {
1695 unless ($LINK_MAP) { 1838 unless ($LINK_MAP) {
1696 $LINK_MAP = cf::map::find "{link}" 1839 $LINK_MAP = cf::map::find "{link}"
1697 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 1840 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698 $LINK_MAP->load; 1841 $LINK_MAP->load;
1699 } 1842 }
1700 1843
1701 $LINK_MAP 1844 $LINK_MAP
1702} 1845}
1709 return if UNIVERSAL::isa $self->map, "ext::map_link"; 1852 return if UNIVERSAL::isa $self->map, "ext::map_link";
1710 1853
1711 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1854 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712 if $self->map; 1855 if $self->map;
1713 1856
1714 $self->enter_map ($LINK_MAP || link_map, 20, 20); 1857 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1715} 1858}
1716 1859
1717sub cf::object::player::leave_link { 1860sub cf::object::player::leave_link {
1718 my ($self, $map, $x, $y) = @_; 1861 my ($self, $map, $x, $y) = @_;
1719 1862
1741 $map->load; 1884 $map->load;
1742 $map->load_diag; 1885 $map->load_diag;
1743 1886
1744 return unless $self->contr->active; 1887 return unless $self->contr->active;
1745 $self->activate_recursive; 1888 $self->activate_recursive;
1889
1890 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746 $self->enter_map ($map, $x, $y); 1891 $self->enter_map ($map, $x, $y);
1747} 1892}
1748 1893
1749cf::player->attach ( 1894cf::player->attach (
1750 on_logout => sub { 1895 on_logout => sub {
1763 # try to abort aborted map switching on player login :) 1908 # try to abort aborted map switching on player login :)
1764 # should happen only on crashes 1909 # should happen only on crashes
1765 if ($pl->ob->{_link_pos}) { 1910 if ($pl->ob->{_link_pos}) {
1766 $pl->ob->enter_link; 1911 $pl->ob->enter_link;
1767 (async { 1912 (async {
1768 # we need this sleep as the login has a concurrent enter_exit running
1769 # and this sleep increases chances of the player not ending up in scorn
1770 $pl->ob->reply (undef, 1913 $pl->ob->reply (undef,
1771 "There was an internal problem at your last logout, " 1914 "There was an internal problem at your last logout, "
1772 . "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.",
1773 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
1774 Coro::Timer::sleep 1; 1919 Coro::Timer::sleep 1;
1775 $pl->ob->leave_link; 1920 $pl->ob->leave_link;
1776 })->prio (2); 1921 })->prio (2);
1777 } 1922 }
1778 }, 1923 },
1786 my ($self, $path, $x, $y) = @_; 1931 my ($self, $path, $x, $y) = @_;
1787 1932
1788 $self->enter_link; 1933 $self->enter_link;
1789 1934
1790 (async { 1935 (async {
1936 my $map = eval {
1791 my $map = cf::map::find $path; 1937 my $map = cf::map::find $path;
1792 $map = $map->customise_for ($self) if $map; 1938 $map = $map->customise_for ($self) if $map;
1793 1939 $map
1794# warn "entering ", $map->path, " at ($x, $y)\n" 1940 } or
1795# if $map;
1796
1797 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1941 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1798 1942
1799 $self->leave_link ($map, $x, $y); 1943 $self->leave_link ($map, $x, $y);
1800 })->prio (1); 1944 })->prio (1);
1801} 1945}
1802 1946
1806 1950
1807sub parse_random_map_params { 1951sub parse_random_map_params {
1808 my ($spec) = @_; 1952 my ($spec) = @_;
1809 1953
1810 my $rmp = { # defaults 1954 my $rmp = { # defaults
1811 xsize => 10, 1955 xsize => (cf::rndm 15, 40),
1812 ysize => 10, 1956 ysize => (cf::rndm 15, 40),
1957 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1958 #layout => string,
1813 }; 1959 };
1814 1960
1815 for (split /\n/, $spec) { 1961 for (split /\n/, $spec) {
1816 my ($k, $v) = split /\s+/, $_, 2; 1962 my ($k, $v) = split /\s+/, $_, 2;
1817 1963
1821 $rmp 1967 $rmp
1822} 1968}
1823 1969
1824sub prepare_random_map { 1970sub prepare_random_map {
1825 my ($exit) = @_; 1971 my ($exit) = @_;
1972
1973 my $guard = cf::lock_acquire "exit_prepare:$exit";
1826 1974
1827 # all this does is basically replace the /! path by 1975 # all this does is basically replace the /! path by
1828 # a new random map path (?random/...) with a seed 1976 # a new random map path (?random/...) with a seed
1829 # that depends on the exit object 1977 # that depends on the exit object
1830 1978
1831 my $rmp = parse_random_map_params $exit->msg; 1979 my $rmp = parse_random_map_params $exit->msg;
1832 1980
1833 if ($exit->map) { 1981 if ($exit->map) {
1834 $rmp->{region} = $exit->map->region_name; 1982 $rmp->{region} = $exit->region->name;
1835 $rmp->{origin_map} = $exit->map->path; 1983 $rmp->{origin_map} = $exit->map->path;
1836 $rmp->{origin_x} = $exit->x; 1984 $rmp->{origin_x} = $exit->x;
1837 $rmp->{origin_y} = $exit->y; 1985 $rmp->{origin_y} = $exit->y;
1838 } 1986 }
1839 1987
1840 $rmp->{random_seed} ||= $exit->random_seed; 1988 $rmp->{random_seed} ||= $exit->random_seed;
1841 1989
1842 my $data = cf::to_json $rmp; 1990 my $data = cf::to_json $rmp;
1843 my $md5 = Digest::MD5::md5_hex $data; 1991 my $md5 = Digest::MD5::md5_hex $data;
1992 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1844 1993
1845 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1994 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846 aio_write $fh, 0, (length $data), $data, 0; 1995 aio_write $fh, 0, (length $data), $data, 0;
1996 undef $fh;
1997 aio_rename "$meta~", $meta;
1847 1998
1848 $exit->slaying ("?random/$md5"); 1999 $exit->slaying ("?random/$md5");
1849 $exit->msg (undef); 2000 $exit->msg (undef);
1850 } 2001 }
1851} 2002}
1852 2003
1853sub cf::object::player::enter_exit { 2004sub cf::object::player::enter_exit {
1854 my ($self, $exit) = @_; 2005 my ($self, $exit) = @_;
1855 2006
1856 return unless $self->type == cf::PLAYER; 2007 return unless $self->type == cf::PLAYER;
2008
2009 if ($exit->slaying eq "/!") {
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
2013 cf::sync_job { prepare_random_map $exit };
2014 }
2015
2016 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017 my $hp = $exit->stats->hp;
2018 my $sp = $exit->stats->sp;
1857 2019
1858 $self->enter_link; 2020 $self->enter_link;
1859 2021
1860 (async { 2022 (async {
1861 $self->deactivate_recursive; # just to be sure 2023 $self->deactivate_recursive; # just to be sure
1862 unless (eval { 2024 unless (eval {
1863 prepare_random_map $exit 2025 $self->goto ($slaying, $hp, $sp);
1864 if $exit->slaying eq "/!";
1865
1866 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1867 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1868 2026
1869 1; 2027 1;
1870 }) { 2028 }) {
1871 $self->message ("Something went wrong deep within the crossfire server. " 2029 $self->message ("Something went wrong deep within the crossfire server. "
1872 . "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. "
1873 . "Please report this to the dungeon master!", 2031 . "Please report this to the dungeon master!",
1874 cf::NDI_UNIQUE | cf::NDI_RED); 2032 cf::NDI_UNIQUE | cf::NDI_RED);
1875 2033
1876 warn "ERROR in enter_exit: $@"; 2034 warn "ERROR in enter_exit: $@";
1877 $self->leave_link; 2035 $self->leave_link;
1878 } 2036 }
1879 })->prio (1); 2037 })->prio (1);
1892 2050
1893sub cf::client::send_drawinfo { 2051sub cf::client::send_drawinfo {
1894 my ($self, $text, $flags) = @_; 2052 my ($self, $text, $flags) = @_;
1895 2053
1896 utf8::encode $text; 2054 utf8::encode $text;
1897 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2055 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898} 2056}
1899 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}
1900 2070
1901=item $success = $client->query ($flags, "text", \&cb) 2071=item $success = $client->query ($flags, "text", \&cb)
1902 2072
1903Queues a query to the client, calling the given callback with 2073Queues a query to the client, calling the given callback with
1904the 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>,
1933 # get handled first 2103 # get handled first
1934 my $queue = delete $ns->{query_queue} 2104 my $queue = delete $ns->{query_queue}
1935 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
1936 2106
1937 (shift @$queue)->[1]->($msg); 2107 (shift @$queue)->[1]->($msg);
2108 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938 2109
1939 push @{ $ns->{query_queue} }, @$queue; 2110 push @{ $ns->{query_queue} }, @$queue;
1940 2111
1941 if (@{ $ns->{query_queue} } == @$queue) { 2112 if (@{ $ns->{query_queue} } == @$queue) {
1942 if (@$queue) { 2113 if (@$queue) {
2000 2171
2001# here we export the classes and methods available to script code 2172# here we export the classes and methods available to script code
2002 2173
2003=pod 2174=pod
2004 2175
2005The following fucntions and emthods are available within a safe environment: 2176The following functions and methods are available within a safe environment:
2006 2177
2007 cf::object contr pay_amount pay_player map 2178 cf::object contr pay_amount pay_player map
2008 cf::object::player player 2179 cf::object::player player
2009 cf::player peaceful 2180 cf::player peaceful
2010 cf::map trigger 2181 cf::map trigger
2095############################################################################# 2266#############################################################################
2096 2267
2097=head2 EXTENSION DATABASE SUPPORT 2268=head2 EXTENSION DATABASE SUPPORT
2098 2269
2099Crossfire maintains a very simple database for extension use. It can 2270Crossfire maintains a very simple database for extension use. It can
2100currently store anything that can be serialised using Storable, which 2271currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2101excludes objects. 2272convert to/from binary).
2102 2273
2103The 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
2104using it, it should be unique. 2275using it, it should be unique.
2105 2276
2106=over 4 2277=over 4
2107 2278
2108=item $hashref = cf::db_get $family
2109
2110Return a hashref for use by the extension C<$family>, which can be
2111modified. After modifications, you have to call C<cf::db_dirty> or
2112C<cf::db_sync>.
2113
2114=item $value = cf::db_get $family => $key 2279=item $value = cf::db_get $family => $key
2115 2280
2116Returns a single value from the database 2281Returns a single value from the database.
2117
2118=item cf::db_put $family => $hashref
2119
2120Stores the given family hashref into the database. Updates are delayed, if
2121you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122 2282
2123=item cf::db_put $family => $key => $value 2283=item cf::db_put $family => $key => $value
2124 2284
2125Stores the given C<$value> in the family hash. Updates are delayed, if you 2285Stores the given C<$value> in the family.
2126want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128=item cf::db_dirty
2129
2130Marks the database as dirty, to be updated at a later time.
2131
2132=item cf::db_sync
2133
2134Immediately write the database to disk I<if it is dirty>.
2135 2286
2136=cut 2287=cut
2137 2288
2138our $DB; 2289our $DB;
2139 2290
2140{ 2291sub db_init {
2141 my $path = cf::localdir . "/database.pst"; 2292 unless ($DB) {
2293 $DB = BDB::db_create $DB_ENV;
2142 2294
2143 sub db_load() { 2295 cf::sync_job {
2144 $DB = stat $path ? Storable::retrieve $path : { }; 2296 eval {
2145 } 2297 $DB->set_flags (BDB::CHKSUM);
2146 2298
2147 my $pid; 2299 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2148 2300 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2149 sub db_save() { 2301 cf::cleanup "db_open(db): $!" if $!;
2150 waitpid $pid, 0 if $pid; 2302 };
2151 if (0 == ($pid = fork)) { 2303 cf::cleanup "db_open(db): $@" if $@;
2152 $DB->{_meta}{version} = 1;
2153 Storable::nstore $DB, "$path~";
2154 rename "$path~", $path;
2155 cf::_exit 0 if defined $pid;
2156 } 2304 };
2157 }
2158
2159 my $dirty;
2160
2161 sub db_sync() {
2162 db_save if $dirty;
2163 undef $dirty;
2164 }
2165
2166 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167 db_sync;
2168 }); 2305 }
2306}
2169 2307
2170 sub db_dirty() {
2171 $dirty = 1;
2172 $idle->start;
2173 }
2174
2175 sub db_get($;$) { 2308sub db_get($$) {
2176 @_ >= 2 2309 my $key = "$_[0]/$_[1]";
2177 ? $DB->{$_[0]}{$_[1]}
2178 : ($DB->{$_[0]} ||= { })
2179 }
2180 2310
2311 cf::sync_job {
2312 BDB::db_get $DB, undef, $key, my $data;
2313
2314 $! ? ()
2315 : $data
2316 }
2317}
2318
2181 sub db_put($$;$) { 2319sub db_put($$$) {
2182 if (@_ >= 3) { 2320 BDB::dbreq_pri 4;
2183 $DB->{$_[0]}{$_[1]} = $_[2]; 2321 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2184 } else { 2322}
2185 $DB->{$_[0]} = $_[1];
2186 }
2187 db_dirty;
2188 }
2189 2323
2190 cf::global->attach ( 2324=item cf::cache $id => [$paths...], $processversion => $process
2191 prio => 10000, 2325
2192 on_cleanup => sub { 2326Generic caching function that returns the value of the resource $id,
2193 db_sync; 2327caching and regenerating as required.
2328
2329This function can block.
2330
2331=cut
2332
2333sub cache {
2334 my ($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 "$src->[$_]: $!";
2194 }, 2356 }
2195 ); 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"
2196} 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 eval {
2420 local $SIG{__DIE__};
2421 local $SIG{__WARN__};
2422 close $fh1;
2423
2424 my @res = eval { $cb->(@args) };
2425 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426 };
2427
2428 _exit 0;
2429 }
2430}
2431
2432
2197 2433
2198############################################################################# 2434#############################################################################
2199# the server's main() 2435# the server's init and main functions
2436
2437sub load_facedata($) {
2438 my ($path) = @_;
2439
2440 warn "loading facedata from $path\n";
2441
2442 my $facedata;
2443 0 < aio_load $path, $facedata
2444 or die "$path: $!";
2445
2446 $facedata = Coro::Storable::thaw $facedata;
2447
2448 $facedata->{version} == 2
2449 or cf::cleanup "$path: version mismatch, cannot proceed.";
2450
2451 {
2452 my $faces = $facedata->{faceinfo};
2453
2454 while (my ($face, $info) = each %$faces) {
2455 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2456 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2457 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2458 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2459 Coro::cede;
2460 }
2461
2462 while (my ($face, $info) = each %$faces) {
2463 next unless $info->{smooth};
2464 my $idx = cf::face::find $face
2465 or next;
2466 if (my $smooth = cf::face::find $info->{smooth}) {
2467 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2468 } else {
2469 warn "smooth face '$info->{smooth}' not found for face '$face'";
2470 }
2471 Coro::cede;
2472 }
2473 }
2474
2475 {
2476 my $anims = $facedata->{animinfo};
2477
2478 while (my ($anim, $info) = each %$anims) {
2479 cf::anim::set $anim, $info->{frames}, $info->{facings};
2480 Coro::cede;
2481 }
2482
2483 cf::anim::invalidate_all; # d'oh
2484 }
2485
2486 1
2487}
2488
2489sub reload_facedata {
2490 load_facedata sprintf "%s/facedata", cf::datadir
2491 or die "unable to load facedata\n";
2492}
2493
2494sub reload_regions {
2495 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2496 or die "unable to load regions file\n";
2497}
2498
2499sub reload_archetypes {
2500 load_resource_file sprintf "%s/archetypes", cf::datadir
2501 or die "unable to load archetypes\n";
2502}
2503
2504sub reload_treasures {
2505 load_resource_file sprintf "%s/treasures", cf::datadir
2506 or die "unable to load treasurelists\n";
2507}
2508
2509sub reload_resources {
2510 warn "reloading resource files...\n";
2511
2512 reload_regions;
2513 reload_facedata;
2514 reload_archetypes;
2515 reload_treasures;
2516
2517 warn "finished reloading resource files\n";
2518}
2519
2520sub init {
2521 reload_resources;
2522}
2200 2523
2201sub cfg_load { 2524sub cfg_load {
2202 open my $fh, "<:utf8", cf::confdir . "/config" 2525 open my $fh, "<:utf8", cf::confdir . "/config"
2203 or return; 2526 or return;
2204 2527
2221 2544
2222sub main { 2545sub main {
2223 # we must not ever block the main coroutine 2546 # we must not ever block the main coroutine
2224 local $Coro::idle = sub { 2547 local $Coro::idle = sub {
2225 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2548 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2549 (async {
2226 async { Event::one_event }; 2550 Event::one_event;
2551 })->prio (Coro::PRIO_MAX);
2227 }; 2552 };
2228 2553
2229 cfg_load; 2554 cfg_load;
2230 db_load; 2555 db_init;
2231 load_extensions; 2556 load_extensions;
2557
2558 $TICK_WATCHER->start;
2232 Event::loop; 2559 Event::loop;
2233} 2560}
2234 2561
2235############################################################################# 2562#############################################################################
2236# initialisation and cleanup 2563# initialisation and cleanup
2237 2564
2238# install some emergency cleanup handlers 2565# install some emergency cleanup handlers
2239BEGIN { 2566BEGIN {
2240 for my $signal (qw(INT HUP TERM)) { 2567 for my $signal (qw(INT HUP TERM)) {
2241 Event->signal ( 2568 Event->signal (
2569 reentrant => 0,
2242 data => WF_AUTOCANCEL, 2570 data => WF_AUTOCANCEL,
2243 signal => $signal, 2571 signal => $signal,
2572 prio => 0,
2244 cb => sub { 2573 cb => sub {
2245 cf::cleanup "SIG$signal"; 2574 cf::cleanup "SIG$signal";
2246 }, 2575 },
2247 ); 2576 );
2248 } 2577 }
2249} 2578}
2254 warn "enter emergency perl save\n"; 2583 warn "enter emergency perl save\n";
2255 2584
2256 cf::sync_job { 2585 cf::sync_job {
2257 # use a peculiar iteration method to avoid tripping on perl 2586 # use a peculiar iteration method to avoid tripping on perl
2258 # refcount bugs in for. also avoids problems with players 2587 # refcount bugs in for. also avoids problems with players
2259 # and maps saved/Destroyed asynchronously. 2588 # and maps saved/destroyed asynchronously.
2260 warn "begin emergency player save\n"; 2589 warn "begin emergency player save\n";
2261 for my $login (keys %cf::PLAYER) { 2590 for my $login (keys %cf::PLAYER) {
2262 my $pl = $cf::PLAYER{$login} or next; 2591 my $pl = $cf::PLAYER{$login} or next;
2263 $pl->valid or next; 2592 $pl->valid or next;
2264 $pl->save; 2593 $pl->save;
2270 my $map = $cf::MAP{$path} or next; 2599 my $map = $cf::MAP{$path} or next;
2271 $map->valid or next; 2600 $map->valid or next;
2272 $map->save; 2601 $map->save;
2273 } 2602 }
2274 warn "end emergency map save\n"; 2603 warn "end emergency map save\n";
2604
2605 warn "begin emergency database checkpoint\n";
2606 BDB::db_env_txn_checkpoint $DB_ENV;
2607 warn "end emergency database checkpoint\n";
2275 }; 2608 };
2276 2609
2277 warn "leave emergency perl save\n"; 2610 warn "leave emergency perl save\n";
2278} 2611}
2279 2612
2613sub post_cleanup {
2614 my ($make_core) = @_;
2615
2616 warn Carp::longmess "post_cleanup backtrace"
2617 if $make_core;
2618}
2619
2280sub reload() { 2620sub do_reload_perl() {
2281 # can/must only be called in main 2621 # can/must only be called in main
2282 if ($Coro::current != $Coro::main) { 2622 if ($Coro::current != $Coro::main) {
2283 warn "can only reload from main coroutine\n"; 2623 warn "can only reload from main coroutine";
2284 return; 2624 return;
2285 } 2625 }
2286 2626
2287 warn "reloading..."; 2627 warn "reloading...";
2288 2628
2289 warn "freezing server"; 2629 warn "entering sync_job";
2290 my $guard = freeze_mainloop; 2630
2631 cf::sync_job {
2632 cf::write_runtime; # external watchdog should not bark
2291 cf::emergency_save; 2633 cf::emergency_save;
2634 cf::write_runtime; # external watchdog should not bark
2292 2635
2293 warn "sync database to disk"; 2636 warn "syncing database to disk";
2294 cf::db_sync; 2637 BDB::db_env_txn_checkpoint $DB_ENV;
2295 IO::AIO::flush;
2296 2638
2297 eval {
2298 # if anything goes wrong in here, we should simply crash as we already saved 2639 # if anything goes wrong in here, we should simply crash as we already saved
2299 2640
2300 warn "cancel all watchers"; 2641 warn "cancelling all WF_AUTOCANCEL watchers";
2301 for (Event::all_watchers) { 2642 for (Event::all_watchers) {
2302 $_->cancel if $_->data & WF_AUTOCANCEL; 2643 $_->cancel if $_->data & WF_AUTOCANCEL;
2303 } 2644 }
2304 2645
2646 warn "flushing outstanding aio requests";
2647 for (;;) {
2648 BDB::flush;
2649 IO::AIO::flush;
2650 Coro::cede;
2651 last unless IO::AIO::nreqs || BDB::nreqs;
2652 warn "iterate...";
2653 }
2654
2655 ++$RELOAD;
2656
2305 warn "cancel all extension coros"; 2657 warn "cancelling all extension coros";
2306 $_->cancel for values %EXT_CORO; 2658 $_->cancel for values %EXT_CORO;
2307 %EXT_CORO = (); 2659 %EXT_CORO = ();
2308 2660
2309 warn "remove commands"; 2661 warn "removing commands";
2310 %COMMAND = (); 2662 %COMMAND = ();
2311 2663
2312 warn "remove ext commands"; 2664 warn "removing ext commands";
2313 %EXTCMD = (); 2665 %EXTCMD = ();
2314 2666
2315 warn "unload/nuke all extensions"; 2667 warn "unloading/nuking all extensions";
2316 for my $pkg (@EXTS) { 2668 for my $pkg (@EXTS) {
2317 warn "... unloading $pkg"; 2669 warn "... unloading $pkg";
2318 2670
2319 if (my $cb = $pkg->can ("unload")) { 2671 if (my $cb = $pkg->can ("unload")) {
2320 eval { 2672 eval {
2325 2677
2326 warn "... nuking $pkg"; 2678 warn "... nuking $pkg";
2327 Symbol::delete_package $pkg; 2679 Symbol::delete_package $pkg;
2328 } 2680 }
2329 2681
2330 warn "unload all perl modules loaded from $LIBDIR"; 2682 warn "unloading all perl modules loaded from $LIBDIR";
2331 while (my ($k, $v) = each %INC) { 2683 while (my ($k, $v) = each %INC) {
2332 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2684 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333 2685
2334 warn "removing <$k>"; 2686 warn "... unloading $k";
2335 delete $INC{$k}; 2687 delete $INC{$k};
2336 2688
2337 $k =~ s/\.pm$//; 2689 $k =~ s/\.pm$//;
2338 $k =~ s/\//::/g; 2690 $k =~ s/\//::/g;
2339 2691
2342 } 2694 }
2343 2695
2344 Symbol::delete_package $k; 2696 Symbol::delete_package $k;
2345 } 2697 }
2346 2698
2347 warn "get rid of safe::, as good as possible"; 2699 warn "getting rid of safe::, as good as possible";
2348 Symbol::delete_package "safe::$_" 2700 Symbol::delete_package "safe::$_"
2349 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2701 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350 2702
2351 warn "unload cf.pm \"a bit\""; 2703 warn "unloading cf.pm \"a bit\"";
2352 delete $INC{"cf.pm"}; 2704 delete $INC{"cf.pm"};
2353 2705
2354 # don't, removes xs symbols, too, 2706 # don't, removes xs symbols, too,
2355 # and global variables created in xs 2707 # and global variables created in xs
2356 #Symbol::delete_package __PACKAGE__; 2708 #Symbol::delete_package __PACKAGE__;
2357 2709
2710 warn "unload completed, starting to reload now";
2711
2358 warn "reloading cf.pm"; 2712 warn "reloading cf.pm";
2359 require cf; 2713 require cf;
2360 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2714 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361 2715
2362 warn "load config and database again"; 2716 warn "loading config and database again";
2363 cf::cfg_load; 2717 cf::cfg_load;
2364 cf::db_load;
2365 2718
2366 warn "load extensions"; 2719 warn "loading extensions";
2367 cf::load_extensions; 2720 cf::load_extensions;
2368 2721
2369 warn "reattach attachments to objects/players"; 2722 warn "reattaching attachments to objects/players";
2370 _global_reattach; 2723 _global_reattach; # objects, sockets
2371 warn "reattach attachments to maps"; 2724 warn "reattaching attachments to maps";
2372 reattach $_ for values %MAP; 2725 reattach $_ for values %MAP;
2373 }; 2726 warn "reattaching attachments to players";
2727 reattach $_ for values %PLAYER;
2374 2728
2375 if ($@) { 2729 warn "leaving sync_job";
2730
2731 1
2732 } or do {
2376 warn $@; 2733 warn $@;
2377 warn "error while reloading, exiting."; 2734 warn "error while reloading, exiting.";
2378 exit 1; 2735 exit 1;
2379 } 2736 };
2380 2737
2381 warn "reloaded"; 2738 warn "reloaded";
2382}; 2739};
2383 2740
2741our $RELOAD_WATCHER; # used only during reload
2742
2743sub reload_perl() {
2744 # doing reload synchronously and two reloads happen back-to-back,
2745 # coro crashes during coro_state_free->destroy here.
2746
2747 $RELOAD_WATCHER ||= Event->timer (
2748 reentrant => 0,
2749 after => 0,
2750 data => WF_AUTOCANCEL,
2751 cb => sub {
2752 do_reload_perl;
2753 undef $RELOAD_WATCHER;
2754 },
2755 );
2756}
2757
2384register_command "reload" => sub { 2758register_command "reload" => sub {
2385 my ($who, $arg) = @_; 2759 my ($who, $arg) = @_;
2386 2760
2387 if ($who->flag (FLAG_WIZ)) { 2761 if ($who->flag (FLAG_WIZ)) {
2388 $who->message ("start of reload.");
2389 reload;
2390 $who->message ("end of reload."); 2762 $who->message ("reloading server.");
2763 async { reload_perl };
2391 } 2764 }
2392}; 2765};
2393 2766
2394unshift @INC, $LIBDIR; 2767unshift @INC, $LIBDIR;
2768
2769my $bug_warning = 0;
2770
2771our @WAIT_FOR_TICK;
2772our @WAIT_FOR_TICK_BEGIN;
2773
2774sub wait_for_tick {
2775 return unless $TICK_WATCHER->is_active;
2776 return if $Coro::current == $Coro::main;
2777
2778 my $signal = new Coro::Signal;
2779 push @WAIT_FOR_TICK, $signal;
2780 $signal->wait;
2781}
2782
2783sub wait_for_tick_begin {
2784 return unless $TICK_WATCHER->is_active;
2785 return if $Coro::current == $Coro::main;
2786
2787 my $signal = new Coro::Signal;
2788 push @WAIT_FOR_TICK_BEGIN, $signal;
2789 $signal->wait;
2790}
2395 2791
2396$TICK_WATCHER = Event->timer ( 2792$TICK_WATCHER = Event->timer (
2397 reentrant => 0, 2793 reentrant => 0,
2794 parked => 1,
2398 prio => 0, 2795 prio => 0,
2399 at => $NEXT_TICK || $TICK, 2796 at => $NEXT_TICK || $TICK,
2400 data => WF_AUTOCANCEL, 2797 data => WF_AUTOCANCEL,
2401 cb => sub { 2798 cb => sub {
2799 if ($Coro::current != $Coro::main) {
2800 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2801 unless ++$bug_warning > 10;
2802 return;
2803 }
2804
2402 $NOW = Event::time; 2805 $NOW = Event::time;
2403 2806
2404 cf::server_tick; # one server iteration 2807 cf::server_tick; # one server iteration
2808
2405 $RUNTIME += $TICK; 2809 $RUNTIME += $TICK;
2406 $NEXT_TICK += $TICK; 2810 $NEXT_TICK += $TICK;
2407 2811
2408 $WAIT_FOR_TICK->broadcast; 2812 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2813 $NEXT_RUNTIME_WRITE = $NOW + 10;
2814 Coro::async_pool {
2815 write_runtime
2816 or warn "ERROR: unable to write runtime file: $!";
2817 };
2818 }
2819
2820# my $AFTER = Event::time;
2821# warn $AFTER - $NOW;#d#
2410 2822
2411 # if we are delayed by four ticks or more, skip them all 2823 # if we are delayed by four ticks or more, skip them all
2412 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2824 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2413 2825
2414 $TICK_WATCHER->at ($NEXT_TICK); 2826 $TICK_WATCHER->at ($NEXT_TICK);
2415 $TICK_WATCHER->start; 2827 $TICK_WATCHER->start;
2828
2829 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2830 $sig->send;
2831 }
2832 while (my $sig = shift @WAIT_FOR_TICK) {
2833 $sig->send;
2834 }
2835
2836 _post_tick;
2416 }, 2837 },
2417); 2838);
2418 2839
2840{
2419IO::AIO::max_poll_time $TICK * 0.2; 2841 BDB::max_poll_time $TICK * 0.1;
2420 2842 $BDB_POLL_WATCHER = Event->io (
2421Event->io ( 2843 reentrant => 0,
2422 fd => IO::AIO::poll_fileno, 2844 fd => BDB::poll_fileno,
2423 poll => 'r', 2845 poll => 'r',
2424 prio => 5, 2846 prio => 0,
2425 data => WF_AUTOCANCEL,
2426 cb => \&IO::AIO::poll_cb,
2427);
2428
2429Event->timer (
2430 data => WF_AUTOCANCEL, 2847 data => WF_AUTOCANCEL,
2431 after => 0, 2848 cb => \&BDB::poll_cb,
2432 interval => 10, 2849 );
2433 cb => sub { 2850 BDB::min_parallel 8;
2434 (Coro::unblock_sub { 2851
2435 write_runtime 2852 BDB::set_sync_prepare {
2436 or warn "ERROR: unable to write runtime file: $!"; 2853 my $status;
2854 my $current = $Coro::current;
2855 (
2856 sub {
2857 $status = $!;
2858 $current->ready; undef $current;
2859 },
2860 sub {
2861 Coro::schedule while defined $current;
2862 $! = $status;
2863 },
2864 )
2865 };
2866
2867 unless ($DB_ENV) {
2868 $DB_ENV = BDB::db_env_create;
2869
2870 cf::sync_job {
2871 eval {
2872 BDB::db_env_open
2873 $DB_ENV,
2874 $BDB_ENV_DIR,
2875 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2876 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2877 0666;
2878
2879 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2880
2881 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2882 $DB_ENV->set_lk_detect;
2883 };
2884
2885 cf::cleanup "db_env_open(db): $@" if $@;
2437 })->(); 2886 };
2438 }, 2887 }
2439); 2888}
2889
2890{
2891 IO::AIO::min_parallel 8;
2892
2893 undef $Coro::AIO::WATCHER;
2894 IO::AIO::max_poll_time $TICK * 0.1;
2895 $AIO_POLL_WATCHER = Event->io (
2896 reentrant => 0,
2897 data => WF_AUTOCANCEL,
2898 fd => IO::AIO::poll_fileno,
2899 poll => 'r',
2900 prio => 6,
2901 cb => \&IO::AIO::poll_cb,
2902 );
2903}
2904
2905# load additional modules
2906use cf::pod;
2440 2907
2441END { cf::emergency_save } 2908END { cf::emergency_save }
2442 2909
24431 29101
2444 2911

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