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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.210 by root, Mon Feb 12 01:32:49 2007 UTC vs.
Revision 1.263 by root, Sat May 5 05:40:27 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
20use BDB (); 25use BDB ();
21use Data::Dumper; 26use Data::Dumper;
22use Digest::MD5; 27use Digest::MD5;
23use Fcntl; 28use Fcntl;
29use YAML::Syck ();
24use IO::AIO 2.32 (); 30use IO::AIO 2.32 ();
25use YAML::Syck ();
26use Time::HiRes; 31use Time::HiRes;
27use Compress::LZF; 32use Compress::LZF;
28 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
29Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30 39
31use 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
32
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 41
35# 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?
36$YAML::Syck::ImplicitUnicode = 1; 43$YAML::Syck::ImplicitUnicode = 1;
37 44
38$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 45$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
39 48
40our %COMMAND = (); 49our %COMMAND = ();
41our %COMMAND_TIME = (); 50our %COMMAND_TIME = ();
42 51
43our @EXTS = (); # list of extension package names 52our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 53our %EXTCMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 54our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 55our %EXT_MAP = (); # pluggable maps
47 56
57our $RELOAD; # number of reloads so far
48our @EVENT; 58our @EVENT;
49our $LIBDIR = datadir . "/ext";
50 59
51our $TICK = MAX_TIME * 1e-6; 60our $CONFDIR = confdir;
61our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db";
71
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52our $TICK_WATCHER; 73our $TICK_WATCHER;
53our $AIO_POLL_WATCHER; 74our $AIO_POLL_WATCHER;
54our $WRITE_RUNTIME_WATCHER; 75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 76our $NEXT_TICK;
56our $NOW; 77our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off 78our $USE_FSYNC = 1; # use fsync to write maps - default off
58 79
59our $BDB_POLL_WATCHER; 80our $BDB_POLL_WATCHER;
65our $RUNTIME; 86our $RUNTIME;
66 87
67our %PLAYER; # all users 88our %PLAYER; # all users
68our %MAP; # all maps 89our %MAP; # all maps
69our $LINK_MAP; # the special {link} map, which is always available 90our $LINK_MAP; # the special {link} map, which is always available
70our $RANDOM_MAPS = cf::localdir . "/random";
71our $BDB_ENV_DIR = cf::localdir . "/db";
72
73our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75 91
76# used to convert map paths into valid unix filenames by replacing / by ∕ 92# used to convert map paths into valid unix filenames by replacing / by ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78 94
79binmode STDOUT; 95binmode STDOUT;
80binmode STDERR; 96binmode STDERR;
81 97
82# read virtual server time, if available 98# read virtual server time, if available
83unless ($RUNTIME || !-e cf::localdir . "/runtime") { 99unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84 open my $fh, "<", cf::localdir . "/runtime" 100 open my $fh, "<", "$LOCALDIR/runtime"
85 or die "unable to read runtime file: $!"; 101 or die "unable to read runtime file: $!";
86 $RUNTIME = <$fh> + 0.; 102 $RUNTIME = <$fh> + 0.;
87} 103}
88 104
89mkdir cf::localdir; 105mkdir $_
90mkdir cf::localdir . "/" . cf::playerdir; 106 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91mkdir cf::localdir . "/" . cf::tmpdir;
92mkdir cf::localdir . "/" . cf::uniquedir;
93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
95 107
96our $EMERGENCY_POSITION; 108our $EMERGENCY_POSITION;
97 109
98sub cf::map::normalise; 110sub cf::map::normalise;
99 111
110=item $cf::RUNTIME 122=item $cf::RUNTIME
111 123
112The time this server has run, starts at 0 and is increased by $cf::TICK on 124The time this server has run, starts at 0 and is increased by $cf::TICK on
113every server tick. 125every server tick.
114 126
115=item $cf::LIBDIR 127=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
128$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
129$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116 130
117The perl library directory, where extensions and cf-specific modules can 131Various directories - "/etc", read-only install directory, perl-library
118be found. It will be added to C<@INC> automatically. 132directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
133unique-items directory, player file directory, random maps directory and
134database environment.
119 135
120=item $cf::NOW 136=item $cf::NOW
121 137
122The time of the last (current) server tick. 138The time of the last (current) server tick.
123 139
128=item %cf::CFG 144=item %cf::CFG
129 145
130Configuration for the server, loaded from C</etc/crossfire/config>, or 146Configuration for the server, loaded from C</etc/crossfire/config>, or
131from wherever your confdir points to. 147from wherever your confdir points to.
132 148
133=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 149=item cf::wait_for_tick, cf::wait_for_tick_begin
134 150
135These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 151These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 152returns directly I<after> the tick processing (and consequently, can only wake one process
137processing has been done. Call C<< ->wait >> on them to maximise the 153per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138window of cpu time available, or simply to synchronise to the server tick.
139 154
140=back 155=back
141 156
142=cut 157=cut
143 158
144BEGIN { 159BEGIN {
145 *CORE::GLOBAL::warn = sub { 160 *CORE::GLOBAL::warn = sub {
146 my $msg = join "", @_; 161 my $msg = join "", @_;
147 utf8::encode $msg;
148 162
149 $msg .= "\n" 163 $msg .= "\n"
150 unless $msg =~ /\n$/; 164 unless $msg =~ /\n$/;
151 165
166 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167
168 utf8::encode $msg;
152 LOG llevError, $msg; 169 LOG llevError, $msg;
153 }; 170 };
154} 171}
155 172
156@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 173@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
202 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 219 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203 $d 220 $d
204 } || "[unable to dump $_[0]: '$@']"; 221 } || "[unable to dump $_[0]: '$@']";
205} 222}
206 223
207use JSON::Syck (); # TODO# replace by JSON::PC once working 224use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
208 225
209=item $ref = cf::from_json $json 226=item $ref = cf::from_json $json
210 227
211Converts a JSON string into the corresponding perl data structure. 228Converts a JSON string into the corresponding perl data structure.
212 229
213=cut
214
215sub from_json($) {
216 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217 JSON::Syck::Load $_[0]
218}
219
220=item $json = cf::to_json $ref 230=item $json = cf::to_json $ref
221 231
222Converts a perl data structure into its JSON representation. 232Converts a perl data structure into its JSON representation.
223
224=cut
225
226sub to_json($) {
227 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
228 JSON::Syck::Dump $_[0]
229}
230 233
231=item cf::lock_wait $string 234=item cf::lock_wait $string
232 235
233Wait until the given lock is available. See cf::lock_acquire. 236Wait until the given lock is available. See cf::lock_acquire.
234 237
240returned. 243returned.
241 244
242Lock names should begin with a unique identifier (for example, cf::map::find 245Lock names should begin with a unique identifier (for example, cf::map::find
243uses map_find and cf::map::load uses map_load). 246uses map_find and cf::map::load uses map_load).
244 247
248=item $locked = cf::lock_active $string
249
250Return true if the lock is currently active, i.e. somebody has locked it.
251
245=cut 252=cut
246 253
247our %LOCK; 254our %LOCK;
248 255
249sub lock_wait($) { 256sub lock_wait($) {
268 # wake up all waiters, to be on the safe side 275 # wake up all waiters, to be on the safe side
269 $_->ready for @{ delete $LOCK{$key} }; 276 $_->ready for @{ delete $LOCK{$key} };
270 } 277 }
271} 278}
272 279
280sub lock_active($) {
281 my ($key) = @_;
282
283 ! ! $LOCK{$key}
284}
285
273sub freeze_mainloop { 286sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 287 return unless $TICK_WATCHER->is_active;
275 288
276 my $guard = Coro::guard { 289 my $guard = Coro::guard {
277 $TICK_WATCHER->start; 290 $TICK_WATCHER->start;
278 $WRITE_RUNTIME_WATCHER->start;
279 }; 291 };
280 $WRITE_RUNTIME_WATCHER->stop;
281 $TICK_WATCHER->stop; 292 $TICK_WATCHER->stop;
282 $guard 293 $guard
283} 294}
284 295
285=item cf::async { BLOCK } 296=item cf::async { BLOCK }
356 367
357 $coro 368 $coro
358} 369}
359 370
360sub write_runtime { 371sub write_runtime {
361 my $runtime = cf::localdir . "/runtime"; 372 my $guard = cf::lock_acquire "write_runtime";
362 373
374 my $runtime = "$LOCALDIR/runtime";
375
376 warn "starting to write runtime...\n";#d#
363 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 377 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
364 or return; 378 or return;
365 379
366 my $value = $cf::RUNTIME + 90 + 10; 380 my $value = $cf::RUNTIME + 90 + 10;
367 # 10 is the runtime save interval, for a monotonic clock 381 # 10 is the runtime save interval, for a monotonic clock
378 or return; 392 or return;
379 393
380 aio_rename "$runtime~", $runtime 394 aio_rename "$runtime~", $runtime
381 and return; 395 and return;
382 396
397 warn "... done writing runtime.\n";#d#
398
383 1 399 1
400}
401
402=item cf::datalog type => key => value, ...
403
404Log a datalog packet of the given type with the given key-value pairs.
405
406=cut
407
408sub datalog($@) {
409 my ($type, %kv) = @_;
410 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384} 411}
385 412
386=back 413=back
387 414
388=cut 415=cut
787 } 814 }
788 } else { 815 } else {
789 aio_unlink $filename; 816 aio_unlink $filename;
790 aio_unlink "$filename.pst"; 817 aio_unlink "$filename.pst";
791 } 818 }
792
793 #d##TODO# nuke non .map-files if exist
794 if ($filename =~ s/\.map$//) {
795 aio_unlink $filename;
796 aio_unlink "$filename.pst";
797 }
798 } 819 }
799} 820}
800 821
801sub object_freezer_as_string { 822sub object_freezer_as_string {
802 my ($rdata, $objs) = @_; 823 my ($rdata, $objs) = @_;
808 829
809sub object_thawer_load { 830sub object_thawer_load {
810 my ($filename) = @_; 831 my ($filename) = @_;
811 832
812 my ($data, $av); 833 my ($data, $av);
813
814 #d#TODO remove .map if file does not exist
815 aio_stat $filename and $filename =~ s/\.map$//;
816 834
817 (aio_load $filename, $data) >= 0 835 (aio_load $filename, $data) >= 0
818 or return; 836 or return;
819 837
820 unless (aio_stat "$filename.pst") { 838 unless (aio_stat "$filename.pst") {
959Returns the given player object, loading it if necessary (might block). 977Returns the given player object, loading it if necessary (might block).
960 978
961=cut 979=cut
962 980
963sub playerdir($) { 981sub playerdir($) {
964 cf::localdir 982 "$PLAYERDIR/"
965 . "/"
966 . cf::playerdir
967 . "/"
968 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 983 . (ref $_[0] ? $_[0]->ob->name : $_[0])
969} 984}
970 985
971sub path($) { 986sub path($) {
972 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 987 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973 988
974 (playerdir $login) . "/$login.pl" 989 (playerdir $login) . "/playerdata"
975} 990}
976 991
977sub find_active($) { 992sub find_active($) {
978 $cf::PLAYER{$_[0]} 993 $cf::PLAYER{$_[0]}
979 and $cf::PLAYER{$_[0]}->active 994 and $cf::PLAYER{$_[0]}->active
992 my $login = $_[0]; 1007 my $login = $_[0];
993 1008
994 my $guard = cf::lock_acquire "user_find:$login"; 1009 my $guard = cf::lock_acquire "user_find:$login";
995 1010
996 $cf::PLAYER{$_[0]} || do { 1011 $cf::PLAYER{$_[0]} || do {
1012 # rename old playerfiles to new ones
1013 #TODO: remove when no longer required
1014 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017 aio_unlink +(playerdir $login) . "/$login.pl";
1018
997 my $pl = load_pl path $login 1019 my $pl = load_pl path $login
998 or return; 1020 or return;
999 $cf::PLAYER{$login} = $pl 1021 $cf::PLAYER{$login} = $pl
1000 } 1022 }
1001 } 1023 }
1038 1060
1039=cut 1061=cut
1040 1062
1041sub quit_character { 1063sub quit_character {
1042 my ($pl) = @_; 1064 my ($pl) = @_;
1065
1066 my $name = $pl->ob->name;
1043 1067
1044 $pl->{deny_save} = 1; 1068 $pl->{deny_save} = 1;
1045 $pl->password ("*"); # this should lock out the player until we nuked the dir 1069 $pl->password ("*"); # this should lock out the player until we nuked the dir
1046 1070
1047 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1071 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1052 my $path = playerdir $pl; 1076 my $path = playerdir $pl;
1053 my $temp = "$path~$cf::RUNTIME~deleting~"; 1077 my $temp = "$path~$cf::RUNTIME~deleting~";
1054 aio_rename $path, $temp; 1078 aio_rename $path, $temp;
1055 delete $cf::PLAYER{$pl->ob->name}; 1079 delete $cf::PLAYER{$pl->ob->name};
1056 $pl->destroy; 1080 $pl->destroy;
1081
1082 my $prefix = qr<^~\Q$name\E/>;
1083
1084 # nuke player maps
1085 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1086
1057 IO::AIO::aio_rmtree $temp; 1087 IO::AIO::aio_rmtree $temp;
1088}
1089
1090=item $pl->kick
1091
1092Kicks a player out of the game. This destroys the connection.
1093
1094=cut
1095
1096sub kick {
1097 my ($pl, $kicker) = @_;
1098
1099 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1100 $pl->killer ("kicked");
1101 $pl->ns->destroy;
1058} 1102}
1059 1103
1060=item cf::player::list_logins 1104=item cf::player::list_logins
1061 1105
1062Returns am arrayref of all valid playernames in the system, can take a 1106Returns am arrayref of all valid playernames in the system, can take a
1063while and may block, so not sync_job-capable, ever. 1107while and may block, so not sync_job-capable, ever.
1064 1108
1065=cut 1109=cut
1066 1110
1067sub list_logins { 1111sub list_logins {
1068 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1112 my $dirs = aio_readdir $PLAYERDIR
1069 or return []; 1113 or return [];
1070 1114
1071 my @logins; 1115 my @logins;
1072 1116
1073 for my $login (@$dirs) { 1117 for my $login (@$dirs) {
1108 } 1152 }
1109 1153
1110 \@paths 1154 \@paths
1111} 1155}
1112 1156
1113=item $player->ext_reply ($msgid, $msgtype, %msg) 1157=item $player->ext_reply ($msgid, %msg)
1114 1158
1115Sends an ext reply to the player. 1159Sends an ext reply to the player.
1116 1160
1117=cut 1161=cut
1118 1162
1119sub ext_reply($$$%) { 1163sub ext_reply($$%) {
1120 my ($self, $id, %msg) = @_; 1164 my ($self, $id, %msg) = @_;
1121 1165
1122 $msg{msgid} = $id; 1166 $msg{msgid} = $id;
1123 1167
1124 $self->send ("ext " . cf::to_json \%msg); 1168 $self->send ("ext " . cf::to_json \%msg);
1125} 1169}
1126 1170
1127package cf; 1171=item $player->ext_event ($type, %msg)
1172
1173Sends an ext event to the client.
1174
1175=cut
1176
1177sub ext_event($$%) {
1178 my ($self, $type, %msg) = @_;
1179
1180 $self->ns->ext_event ($type, %msg);
1181}
1182
1183=head3 cf::region
1184
1185=over 4
1186
1187=cut
1188
1189package cf::region;
1190
1191=item cf::region::find_by_path $path
1192
1193Tries to decuce the probable region for a map knowing only its path.
1194
1195=cut
1196
1197sub find_by_path($) {
1198 my ($path) = @_;
1199
1200 my ($match, $specificity);
1201
1202 for my $region (list) {
1203 if ($region->match && $path =~ $region->match) {
1204 ($match, $specificity) = ($region, $region->specificity)
1205 if $region->specificity > $specificity;
1206 }
1207 }
1208
1209 $match
1210}
1128 1211
1129=back 1212=back
1130
1131 1213
1132=head3 cf::map 1214=head3 cf::map
1133 1215
1134=over 4 1216=over 4
1135 1217
1273 1355
1274# the original (read-only) location 1356# the original (read-only) location
1275sub load_path { 1357sub load_path {
1276 my ($self) = @_; 1358 my ($self) = @_;
1277 1359
1278 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1360 "$MAPDIR/$self->{path}.map"
1279} 1361}
1280 1362
1281# the temporary/swap location 1363# the temporary/swap location
1282sub save_path { 1364sub save_path {
1283 my ($self) = @_; 1365 my ($self) = @_;
1284 1366
1285 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1367 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1368 "$TMPDIR/$path.map"
1287} 1369}
1288 1370
1289# the unique path, undef == no special unique path 1371# the unique path, undef == no special unique path
1290sub uniq_path { 1372sub uniq_path {
1291 my ($self) = @_; 1373 my ($self) = @_;
1292 1374
1293 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1375 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1376 "$UNIQUEDIR/$path"
1295} 1377}
1296 1378
1297# and all this just because we cannot iterate over 1379# and all this just because we cannot iterate over
1298# all maps in C++... 1380# all maps in C++...
1299sub change_all_map_light { 1381sub change_all_map_light {
1307 my ($self) = @_; 1389 my ($self) = @_;
1308 1390
1309 utf8::encode (my $save = $self->save_path); 1391 utf8::encode (my $save = $self->save_path);
1310 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1392 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1393 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313 #d#TODO remove .map and also nuke
1314 $save =~ s/\.map// or return;#d#
1315 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317} 1394}
1318 1395
1319sub load_header_from($) { 1396sub load_header_from($) {
1320 my ($self, $path) = @_; 1397 my ($self, $path) = @_;
1321 1398
1371 $self->load_header_orig 1448 $self->load_header_orig
1372 or return; 1449 or return;
1373 $self->prepare_orig; 1450 $self->prepare_orig;
1374 } 1451 }
1375 1452
1453 $self->default_region (cf::region::find_by_path $self->{path})
1454 unless $self->default_region;
1455
1376 1 1456 1
1377} 1457}
1378 1458
1379sub find; 1459sub find;
1380sub find { 1460sub find {
1413 my ($self) = @_; 1493 my ($self) = @_;
1414 1494
1415 local $self->{deny_reset} = 1; # loading can take a long time 1495 local $self->{deny_reset} = 1; # loading can take a long time
1416 1496
1417 my $path = $self->{path}; 1497 my $path = $self->{path};
1498
1499 {
1418 my $guard = cf::lock_acquire "map_load:$path"; 1500 my $guard = cf::lock_acquire "map_load:$path";
1419 1501
1420 return if $self->in_memory != cf::MAP_SWAPPED; 1502 return if $self->in_memory != cf::MAP_SWAPPED;
1421 1503
1422 $self->in_memory (cf::MAP_LOADING); 1504 $self->in_memory (cf::MAP_LOADING);
1423 1505
1424 $self->alloc; 1506 $self->alloc;
1425 1507
1426 $self->pre_load; 1508 $self->pre_load;
1427
1428 $self->_load_objects ($self->{load_path}, 1)
1429 or return;
1430
1431 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432 if delete $self->{load_original};
1433
1434 if (my $uniq = $self->uniq_path) {
1435 utf8::encode $uniq;
1436 if (aio_open $uniq, O_RDONLY, 0) {
1437 $self->clear_unique_items;
1438 $self->_load_objects ($uniq, 0);
1439 }
1440 }
1441
1442 Coro::cede;
1443
1444 # now do the right thing for maps
1445 $self->link_multipart_objects;
1446
1447 unless ($self->{deny_activate}) {
1448 $self->decay_objects;
1449 $self->fix_auto_apply;
1450 $self->update_buttons;
1451 Coro::cede; 1509 Coro::cede;
1452 $self->set_darkness_map; 1510
1511 $self->_load_objects ($self->{load_path}, 1)
1512 or return;
1513
1514 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1515 if delete $self->{load_original};
1516
1517 if (my $uniq = $self->uniq_path) {
1518 utf8::encode $uniq;
1519 if (aio_open $uniq, O_RDONLY, 0) {
1520 $self->clear_unique_items;
1521 $self->_load_objects ($uniq, 0);
1522 }
1523 }
1524
1525 Coro::cede;
1526 # now do the right thing for maps
1527 $self->link_multipart_objects;
1453 $self->difficulty ($self->estimate_difficulty) 1528 $self->difficulty ($self->estimate_difficulty)
1454 unless $self->difficulty; 1529 unless $self->difficulty;
1455 Coro::cede; 1530 Coro::cede;
1531
1532 unless ($self->{deny_activate}) {
1533 $self->decay_objects;
1534 $self->fix_auto_apply;
1535 $self->update_buttons;
1536 Coro::cede;
1537 $self->set_darkness_map;
1538 Coro::cede;
1456 $self->activate; 1539 $self->activate;
1540 }
1541
1542 $self->in_memory (cf::MAP_IN_MEMORY);
1457 } 1543 }
1458 1544
1459 $self->post_load; 1545 $self->post_load;
1460
1461 $self->in_memory (cf::MAP_IN_MEMORY);
1462} 1546}
1463 1547
1464sub customise_for { 1548sub customise_for {
1465 my ($self, $ob) = @_; 1549 my ($self, $ob) = @_;
1466 1550
1657instantiated unique items. May block. 1741instantiated unique items. May block.
1658 1742
1659=cut 1743=cut
1660 1744
1661sub unique_maps() { 1745sub unique_maps() {
1662 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 1746 my $files = aio_readdir $UNIQUEDIR
1663 or return; 1747 or return;
1664 1748
1665 my @paths; 1749 my @paths;
1666 1750
1667 for (@$files) { 1751 for (@$files) {
1820 $map->load; 1904 $map->load;
1821 $map->load_diag; 1905 $map->load_diag;
1822 1906
1823 return unless $self->contr->active; 1907 return unless $self->contr->active;
1824 $self->activate_recursive; 1908 $self->activate_recursive;
1909
1910 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825 $self->enter_map ($map, $x, $y); 1911 $self->enter_map ($map, $x, $y);
1826} 1912}
1827 1913
1828cf::player->attach ( 1914cf::player->attach (
1829 on_logout => sub { 1915 on_logout => sub {
1842 # try to abort aborted map switching on player login :) 1928 # try to abort aborted map switching on player login :)
1843 # should happen only on crashes 1929 # should happen only on crashes
1844 if ($pl->ob->{_link_pos}) { 1930 if ($pl->ob->{_link_pos}) {
1845 $pl->ob->enter_link; 1931 $pl->ob->enter_link;
1846 (async { 1932 (async {
1847 # we need this sleep as the login has a concurrent enter_exit running
1848 # and this sleep increases chances of the player not ending up in scorn
1849 $pl->ob->reply (undef, 1933 $pl->ob->reply (undef,
1850 "There was an internal problem at your last logout, " 1934 "There was an internal problem at your last logout, "
1851 . "the server will try to bring you to your intended destination in a second.", 1935 . "the server will try to bring you to your intended destination in a second.",
1852 cf::NDI_RED); 1936 cf::NDI_RED);
1937 # we need this sleep as the login has a concurrent enter_exit running
1938 # and this sleep increases chances of the player not ending up in scorn
1853 Coro::Timer::sleep 1; 1939 Coro::Timer::sleep 1;
1854 $pl->ob->leave_link; 1940 $pl->ob->leave_link;
1855 })->prio (2); 1941 })->prio (2);
1856 } 1942 }
1857 }, 1943 },
1921 2007
1922 $rmp->{random_seed} ||= $exit->random_seed; 2008 $rmp->{random_seed} ||= $exit->random_seed;
1923 2009
1924 my $data = cf::to_json $rmp; 2010 my $data = cf::to_json $rmp;
1925 my $md5 = Digest::MD5::md5_hex $data; 2011 my $md5 = Digest::MD5::md5_hex $data;
1926 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2012 my $meta = "$RANDOMDIR/$md5.meta";
1927 2013
1928 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2014 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929 aio_write $fh, 0, (length $data), $data, 0; 2015 aio_write $fh, 0, (length $data), $data, 0;
1930 undef $fh; 2016 undef $fh;
1931 aio_rename "$meta~", $meta; 2017 aio_rename "$meta~", $meta;
1940 2026
1941 return unless $self->type == cf::PLAYER; 2027 return unless $self->type == cf::PLAYER;
1942 2028
1943 if ($exit->slaying eq "/!") { 2029 if ($exit->slaying eq "/!") {
1944 #TODO: this should de-fi-ni-te-ly not be a sync-job 2030 #TODO: this should de-fi-ni-te-ly not be a sync-job
2031 # the problem is that $exit might not survive long enough
2032 # so it needs to be done right now, right here
1945 cf::sync_job { prepare_random_map $exit }; 2033 cf::sync_job { prepare_random_map $exit };
1946 } 2034 }
1947 2035
1948 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2036 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949 my $hp = $exit->stats->hp; 2037 my $hp = $exit->stats->hp;
1957 $self->goto ($slaying, $hp, $sp); 2045 $self->goto ($slaying, $hp, $sp);
1958 2046
1959 1; 2047 1;
1960 }) { 2048 }) {
1961 $self->message ("Something went wrong deep within the crossfire server. " 2049 $self->message ("Something went wrong deep within the crossfire server. "
1962 . "I'll try to bring you back to the map you were before. " 2050 . "I'll try to bring you back to the map you were before. "
1963 . "Please report this to the dungeon master!", 2051 . "Please report this to the dungeon master!",
1964 cf::NDI_UNIQUE | cf::NDI_RED); 2052 cf::NDI_UNIQUE | cf::NDI_RED);
1965 2053
1966 warn "ERROR in enter_exit: $@"; 2054 warn "ERROR in enter_exit: $@";
1967 $self->leave_link; 2055 $self->leave_link;
1968 } 2056 }
1969 })->prio (1); 2057 })->prio (1);
1982 2070
1983sub cf::client::send_drawinfo { 2071sub cf::client::send_drawinfo {
1984 my ($self, $text, $flags) = @_; 2072 my ($self, $text, $flags) = @_;
1985 2073
1986 utf8::encode $text; 2074 utf8::encode $text;
1987 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2075 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988} 2076}
1989 2077
2078=item $client->ext_event ($type, %msg)
2079
2080Sends an exti event to the client.
2081
2082=cut
2083
2084sub cf::client::ext_event($$%) {
2085 my ($self, $type, %msg) = @_;
2086
2087 $msg{msgtype} = "event_$type";
2088 $self->send_packet ("ext " . cf::to_json \%msg);
2089}
1990 2090
1991=item $success = $client->query ($flags, "text", \&cb) 2091=item $success = $client->query ($flags, "text", \&cb)
1992 2092
1993Queues a query to the client, calling the given callback with 2093Queues a query to the client, calling the given callback with
1994the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2094the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2091 2191
2092# here we export the classes and methods available to script code 2192# here we export the classes and methods available to script code
2093 2193
2094=pod 2194=pod
2095 2195
2096The following fucntions and emthods are available within a safe environment: 2196The following functions and methods are available within a safe environment:
2097 2197
2098 cf::object contr pay_amount pay_player map 2198 cf::object contr pay_amount pay_player map
2099 cf::object::player player 2199 cf::object::player player
2100 cf::player peaceful 2200 cf::player peaceful
2101 cf::map trigger 2201 cf::map trigger
2186############################################################################# 2286#############################################################################
2187 2287
2188=head2 EXTENSION DATABASE SUPPORT 2288=head2 EXTENSION DATABASE SUPPORT
2189 2289
2190Crossfire maintains a very simple database for extension use. It can 2290Crossfire maintains a very simple database for extension use. It can
2191currently store anything that can be serialised using Storable, which 2291currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2192excludes objects. 2292convert to/from binary).
2193 2293
2194The parameter C<$family> should best start with the name of the extension 2294The parameter C<$family> should best start with the name of the extension
2195using it, it should be unique. 2295using it, it should be unique.
2196 2296
2197=over 4 2297=over 4
2220 BDB::CREATE | BDB::AUTO_COMMIT, 0666; 2320 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221 cf::cleanup "db_open(db): $!" if $!; 2321 cf::cleanup "db_open(db): $!" if $!;
2222 }; 2322 };
2223 cf::cleanup "db_open(db): $@" if $@; 2323 cf::cleanup "db_open(db): $@" if $@;
2224 }; 2324 };
2225
2226 my $path = cf::localdir . "/database.pst";
2227 if (stat $path) {
2228 cf::sync_job {
2229 my $pst = Storable::retrieve $path;
2230
2231 cf::db_put (board => data => $pst->{board});
2232 cf::db_put (guildrules => data => $pst->{guildrules});
2233 cf::db_put (rent => balance => $pst->{rent}{balance});
2234 BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236 unlink $path;
2237 };
2238 }
2239 } 2325 }
2240} 2326}
2241 2327
2242sub db_get($$) { 2328sub db_get($$) {
2243 my $key = "$_[0]/$_[1]"; 2329 my $key = "$_[0]/$_[1]";
2244 2330
2245 cf::sync_job { 2331 cf::sync_job {
2246 BDB::db_get $DB, undef, $key, my $data; 2332 BDB::db_get $DB, undef, $key, my $data;
2247 2333
2248 $! ? () 2334 $! ? ()
2249 : Compress::LZF::sthaw $data 2335 : $data
2250 } 2336 }
2251} 2337}
2252 2338
2253sub db_put($$$) { 2339sub db_put($$$) {
2254 BDB::dbreq_pri 4; 2340 BDB::dbreq_pri 4;
2255 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { }; 2341 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2256} 2342}
2343
2344=item cf::cache $id => [$paths...], $processversion => $process
2345
2346Generic caching function that returns the value of the resource $id,
2347caching and regenerating as required.
2348
2349This function can block.
2350
2351=cut
2352
2353sub cache {
2354 my ($id, $src, $processversion, $process) = @_;
2355
2356 my $meta =
2357 join "\x00",
2358 $processversion,
2359 map {
2360 aio_stat $_
2361 and Carp::croak "$_: $!";
2362
2363 ($_, (stat _)[7,9])
2364 } @$src;
2365
2366 my $dbmeta = db_get cache => "$id/meta";
2367 if ($dbmeta ne $meta) {
2368 # changed, we may need to process
2369
2370 my @data;
2371 my $md5;
2372
2373 for (0 .. $#$src) {
2374 0 <= aio_load $src->[$_], $data[$_]
2375 or Carp::croak "$src->[$_]: $!";
2376 }
2377
2378 # if processing is expensive, check
2379 # checksum first
2380 if (1) {
2381 $md5 =
2382 join "\x00",
2383 $processversion,
2384 map {
2385 Coro::cede;
2386 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2387 } 0.. $#$src;
2388
2389
2390 my $dbmd5 = db_get cache => "$id/md5";
2391 if ($dbmd5 eq $md5) {
2392 db_put cache => "$id/meta", $meta;
2393
2394 return db_get cache => "$id/data";
2395 }
2396 }
2397
2398 my $t1 = Time::HiRes::time;
2399 my $data = $process->(\@data);
2400 my $t2 = Time::HiRes::time;
2401
2402 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2403
2404 db_put cache => "$id/data", $data;
2405 db_put cache => "$id/md5" , $md5;
2406 db_put cache => "$id/meta", $meta;
2407
2408 return $data;
2409 }
2410
2411 db_get cache => "$id/data"
2412}
2413
2414=item fork_call { }, $args
2415
2416Executes the given code block with the given arguments in a seperate
2417process, returning the results. Everything must be serialisable with
2418Coro::Storable. May, of course, block. Note that the executed sub may
2419never block itself or use any form of Event handling.
2420
2421=cut
2422
2423sub fork_call(&@) {
2424 my ($cb, @args) = @_;
2425
2426# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2427# or die "socketpair: $!";
2428 pipe my $fh1, my $fh2
2429 or die "pipe: $!";
2430
2431 if (my $pid = fork) {
2432 close $fh2;
2433
2434 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2435 $res = Coro::Storable::thaw $res;
2436
2437 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2438
2439 die $$res unless "ARRAY" eq ref $res;
2440
2441 return wantarray ? @$res : $res->[-1];
2442 } else {
2443 reset_signals;
2444 local $SIG{__WARN__};
2445 local $SIG{__DIE__};
2446 eval {
2447 close $fh1;
2448
2449 my @res = eval { $cb->(@args) };
2450 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2451 };
2452
2453 warn $@ if $@;
2454 _exit 0;
2455 }
2456}
2457
2458
2257 2459
2258############################################################################# 2460#############################################################################
2259# the server's init and main functions 2461# the server's init and main functions
2260 2462
2261sub load_resources { 2463sub load_facedata($) {
2262 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2464 my ($path) = @_;
2465
2466 warn "loading facedata from $path\n";
2467
2468 my $facedata;
2469 0 < aio_load $path, $facedata
2470 or die "$path: $!";
2471
2472 $facedata = Coro::Storable::thaw $facedata;
2473
2474 $facedata->{version} == 2
2475 or cf::cleanup "$path: version mismatch, cannot proceed.";
2476
2477 {
2478 my $faces = $facedata->{faceinfo};
2479
2480 while (my ($face, $info) = each %$faces) {
2481 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2482 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2483 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2484 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2485 Coro::cede;
2486 }
2487
2488 while (my ($face, $info) = each %$faces) {
2489 next unless $info->{smooth};
2490 my $idx = cf::face::find $face
2491 or next;
2492 if (my $smooth = cf::face::find $info->{smooth}) {
2493 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2494 } else {
2495 warn "smooth face '$info->{smooth}' not found for face '$face'";
2496 }
2497 Coro::cede;
2498 }
2499 }
2500
2501 {
2502 my $anims = $facedata->{animinfo};
2503
2504 while (my ($anim, $info) = each %$anims) {
2505 cf::anim::set $anim, $info->{frames}, $info->{facings};
2506 Coro::cede;
2507 }
2508
2509 cf::anim::invalidate_all; # d'oh
2510 }
2511
2512 1
2513}
2514
2515sub reload_regions {
2516 load_resource_file "$MAPDIR/regions"
2263 or die "unable to load regions file\n";#d# 2517 or die "unable to load regions file\n";
2518}
2519
2520sub reload_facedata {
2521 load_facedata "$DATADIR/facedata"
2522 or die "unable to load facedata\n";
2523}
2524
2525sub reload_archetypes {
2526 load_resource_file "$DATADIR/archetypes"
2527 or die "unable to load archetypes\n";
2528}
2529
2530sub reload_treasures {
2531 load_resource_file "$DATADIR/treasures"
2532 or die "unable to load treasurelists\n";
2533}
2534
2535sub reload_resources {
2536 warn "reloading resource files...\n";
2537
2538 reload_regions;
2539 reload_facedata;
2540 reload_archetypes;
2541 reload_treasures;
2542
2543 warn "finished reloading resource files\n";
2544}
2545
2546sub init {
2547 reload_resources;
2264} 2548}
2265 2549
2266sub cfg_load { 2550sub cfg_load {
2267 open my $fh, "<:utf8", cf::confdir . "/config" 2551 open my $fh, "<:utf8", "$CONFDIR/config"
2268 or return; 2552 or return;
2269 2553
2270 local $/; 2554 local $/;
2271 *CFG = YAML::Syck::Load <$fh>; 2555 *CFG = YAML::Syck::Load <$fh>;
2272 2556
2280 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 2564 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2281 and die "WARNING: m(un)lockall failed: $!\n"; 2565 and die "WARNING: m(un)lockall failed: $!\n";
2282 }; 2566 };
2283 warn $@ if $@; 2567 warn $@ if $@;
2284 } 2568 }
2285}
2286
2287sub init {
2288 load_resources;
2289} 2569}
2290 2570
2291sub main { 2571sub main {
2292 # we must not ever block the main coroutine 2572 # we must not ever block the main coroutine
2293 local $Coro::idle = sub { 2573 local $Coro::idle = sub {
2354 }; 2634 };
2355 2635
2356 warn "leave emergency perl save\n"; 2636 warn "leave emergency perl save\n";
2357} 2637}
2358 2638
2639sub post_cleanup {
2640 my ($make_core) = @_;
2641
2642 warn Carp::longmess "post_cleanup backtrace"
2643 if $make_core;
2644}
2645
2359sub reload() { 2646sub do_reload_perl() {
2360 # can/must only be called in main 2647 # can/must only be called in main
2361 if ($Coro::current != $Coro::main) { 2648 if ($Coro::current != $Coro::main) {
2362 warn "can only reload from main coroutine"; 2649 warn "can only reload from main coroutine";
2363 return; 2650 return;
2364 } 2651 }
2365 2652
2366 warn "reloading..."; 2653 warn "reloading...";
2367 2654
2368 warn "cancelling server ticker"; 2655 warn "entering sync_job";
2369 $TICK_WATCHER->cancel;
2370 2656
2657 cf::sync_job {
2658 cf::write_runtime; # external watchdog should not bark
2371 cf::emergency_save; 2659 cf::emergency_save;
2660 cf::write_runtime; # external watchdog should not bark
2372 2661
2373 eval { 2662 warn "syncing database to disk";
2663 BDB::db_env_txn_checkpoint $DB_ENV;
2664
2374 # if anything goes wrong in here, we should simply crash as we already saved 2665 # if anything goes wrong in here, we should simply crash as we already saved
2375 2666
2376 warn "cancelling all WF_AUTOCANCEL watchers"; 2667 warn "cancelling all WF_AUTOCANCEL watchers";
2377 for (Event::all_watchers) { 2668 for (Event::all_watchers) {
2378 $_->cancel if $_->data & WF_AUTOCANCEL; 2669 $_->cancel if $_->data & WF_AUTOCANCEL;
2379 } 2670 }
2380
2381 warn "syncing database to disk";
2382 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2383 2671
2384 warn "flushing outstanding aio requests"; 2672 warn "flushing outstanding aio requests";
2385 for (;;) { 2673 for (;;) {
2386 BDB::flush; 2674 BDB::flush;
2387 IO::AIO::flush; 2675 IO::AIO::flush;
2388 Coro::cede; 2676 Coro::cede;
2389 last unless IO::AIO::nreqs || BDB::nreqs; 2677 last unless IO::AIO::nreqs || BDB::nreqs;
2390 warn "iterate..."; 2678 warn "iterate...";
2391 } 2679 }
2392 2680
2681 ++$RELOAD;
2682
2393 warn "cancelling all extension coros"; 2683 warn "cancelling all extension coros";
2394 $_->cancel for values %EXT_CORO; 2684 $_->cancel for values %EXT_CORO;
2395 %EXT_CORO = (); 2685 %EXT_CORO = ();
2396 2686
2397 warn "removing commands"; 2687 warn "removing commands";
2436 Symbol::delete_package "safe::$_" 2726 Symbol::delete_package "safe::$_"
2437 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2727 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2438 2728
2439 warn "unloading cf.pm \"a bit\""; 2729 warn "unloading cf.pm \"a bit\"";
2440 delete $INC{"cf.pm"}; 2730 delete $INC{"cf.pm"};
2731 delete $INC{"cf/pod.pm"};
2441 2732
2442 # don't, removes xs symbols, too, 2733 # don't, removes xs symbols, too,
2443 # and global variables created in xs 2734 # and global variables created in xs
2444 #Symbol::delete_package __PACKAGE__; 2735 #Symbol::delete_package __PACKAGE__;
2445 2736
2454 2745
2455 warn "loading extensions"; 2746 warn "loading extensions";
2456 cf::load_extensions; 2747 cf::load_extensions;
2457 2748
2458 warn "reattaching attachments to objects/players"; 2749 warn "reattaching attachments to objects/players";
2459 _global_reattach; 2750 _global_reattach; # objects, sockets
2460 warn "reattaching attachments to maps"; 2751 warn "reattaching attachments to maps";
2461 reattach $_ for values %MAP; 2752 reattach $_ for values %MAP;
2753 warn "reattaching attachments to players";
2754 reattach $_ for values %PLAYER;
2462 2755
2463 warn "loading reloadable resources"; 2756 warn "leaving sync_job";
2464 load_resources;
2465 2757
2466 warn "restarting server ticker"; 2758 1
2467 2759 } or do {
2468 $TICK_WATCHER->start;
2469 };
2470
2471 if ($@) {
2472 warn $@; 2760 warn $@;
2473 warn "error while reloading, exiting."; 2761 warn "error while reloading, exiting.";
2474 exit 1; 2762 exit 1;
2475 } 2763 };
2476 2764
2477 warn "reloaded"; 2765 warn "reloaded";
2478}; 2766};
2479 2767
2480our $RELOAD_WATCHER; # used only during reload 2768our $RELOAD_WATCHER; # used only during reload
2481 2769
2770sub reload_perl() {
2771 # doing reload synchronously and two reloads happen back-to-back,
2772 # coro crashes during coro_state_free->destroy here.
2773
2774 $RELOAD_WATCHER ||= Event->timer (
2775 reentrant => 0,
2776 after => 0,
2777 data => WF_AUTOCANCEL,
2778 cb => sub {
2779 do_reload_perl;
2780 undef $RELOAD_WATCHER;
2781 },
2782 );
2783}
2784
2482register_command "reload" => sub { 2785register_command "reload" => sub {
2483 my ($who, $arg) = @_; 2786 my ($who, $arg) = @_;
2484 2787
2485 if ($who->flag (FLAG_WIZ)) { 2788 if ($who->flag (FLAG_WIZ)) {
2486 $who->message ("reloading server."); 2789 $who->message ("reloading server.");
2487 2790 async { reload_perl };
2488 # doing reload synchronously and two reloads happen back-to-back,
2489 # coro crashes during coro_state_free->destroy here.
2490
2491 $RELOAD_WATCHER ||= Event->timer (
2492 reentrant => 0,
2493 after => 0,
2494 data => WF_AUTOCANCEL,
2495 cb => sub {
2496 reload;
2497 undef $RELOAD_WATCHER;
2498 },
2499 );
2500 } 2791 }
2501}; 2792};
2502 2793
2503unshift @INC, $LIBDIR; 2794unshift @INC, $LIBDIR;
2504 2795
2505my $bug_warning = 0; 2796my $bug_warning = 0;
2797
2798our @WAIT_FOR_TICK;
2799our @WAIT_FOR_TICK_BEGIN;
2800
2801sub wait_for_tick {
2802 return unless $TICK_WATCHER->is_active;
2803 return if $Coro::current == $Coro::main;
2804
2805 my $signal = new Coro::Signal;
2806 push @WAIT_FOR_TICK, $signal;
2807 $signal->wait;
2808}
2809
2810sub wait_for_tick_begin {
2811 return unless $TICK_WATCHER->is_active;
2812 return if $Coro::current == $Coro::main;
2813
2814 my $signal = new Coro::Signal;
2815 push @WAIT_FOR_TICK_BEGIN, $signal;
2816 $signal->wait;
2817}
2506 2818
2507$TICK_WATCHER = Event->timer ( 2819$TICK_WATCHER = Event->timer (
2508 reentrant => 0, 2820 reentrant => 0,
2509 parked => 1, 2821 parked => 1,
2510 prio => 0, 2822 prio => 0,
2518 } 2830 }
2519 2831
2520 $NOW = Event::time; 2832 $NOW = Event::time;
2521 2833
2522 cf::server_tick; # one server iteration 2834 cf::server_tick; # one server iteration
2835
2523 $RUNTIME += $TICK; 2836 $RUNTIME += $TICK;
2524 $NEXT_TICK += $TICK; 2837 $NEXT_TICK += $TICK;
2525 2838
2526 $WAIT_FOR_TICK->broadcast; 2839 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2527 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2840 $NEXT_RUNTIME_WRITE = $NOW + 10;
2528 2841 Coro::async_pool {
2529 Event::sweep; 2842 write_runtime
2530 Coro::cede_notself; 2843 or warn "ERROR: unable to write runtime file: $!";
2844 };
2531 2845 }
2846
2532# my $AFTER = Event::time; 2847# my $AFTER = Event::time;
2533# warn $AFTER - $NOW;#d# 2848# warn $AFTER - $NOW;#d#
2534 2849
2535 # if we are delayed by four ticks or more, skip them all 2850 # if we are delayed by four ticks or more, skip them all
2536 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2851 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2537 2852
2538 $TICK_WATCHER->at ($NEXT_TICK); 2853 $TICK_WATCHER->at ($NEXT_TICK);
2539 $TICK_WATCHER->start; 2854 $TICK_WATCHER->start;
2855
2856 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2857 $sig->send;
2858 }
2859 while (my $sig = shift @WAIT_FOR_TICK) {
2860 $sig->send;
2861 }
2862
2863 _post_tick;
2540 }, 2864 },
2541); 2865);
2542 2866
2543{ 2867{
2544 BDB::max_poll_time $TICK * 0.1; 2868 BDB::max_poll_time $TICK * 0.1;
2572 2896
2573 cf::sync_job { 2897 cf::sync_job {
2574 eval { 2898 eval {
2575 BDB::db_env_open 2899 BDB::db_env_open
2576 $DB_ENV, 2900 $DB_ENV,
2577 $BDB_ENV_DIR, 2901 $BDBDIR,
2578 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 2902 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2579 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 2903 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2580 0666; 2904 0666;
2581 2905
2582 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 2906 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2583 2907
2584 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 2908 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2585 $DB_ENV->set_lk_detect; 2909 $DB_ENV->set_lk_detect;
2586 }; 2910 };
2587 2911
2595 2919
2596 undef $Coro::AIO::WATCHER; 2920 undef $Coro::AIO::WATCHER;
2597 IO::AIO::max_poll_time $TICK * 0.1; 2921 IO::AIO::max_poll_time $TICK * 0.1;
2598 $AIO_POLL_WATCHER = Event->io ( 2922 $AIO_POLL_WATCHER = Event->io (
2599 reentrant => 0, 2923 reentrant => 0,
2924 data => WF_AUTOCANCEL,
2600 fd => IO::AIO::poll_fileno, 2925 fd => IO::AIO::poll_fileno,
2601 poll => 'r', 2926 poll => 'r',
2602 prio => 6, 2927 prio => 6,
2603 data => WF_AUTOCANCEL,
2604 cb => \&IO::AIO::poll_cb, 2928 cb => \&IO::AIO::poll_cb,
2605 ); 2929 );
2606} 2930}
2607 2931
2608$WRITE_RUNTIME_WATCHER = Event->timer ( 2932my $_log_backtrace;
2609 reentrant => 0, 2933
2610 data => WF_AUTOCANCEL, 2934sub _log_backtrace {
2611 after => 1, 2935 my ($msg, @addr) = @_;
2612 interval => 10, 2936
2613 prio => 6, # keep it lowest so it acts like a watchdog 2937 $msg =~ s/\n//;
2614 cb => Coro::unblock_sub { 2938
2615 write_runtime 2939 # limit the # of concurrent backtraces
2616 or warn "ERROR: unable to write runtime file: $!"; 2940 if ($_log_backtrace < 2) {
2941 ++$_log_backtrace;
2942 async {
2943 my @bt = fork_call {
2944 @addr = map { sprintf "%x", $_ } @addr;
2945 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2946 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2947 or die "addr2line: $!";
2948
2949 my @funcs;
2950 my @res = <$fh>;
2951 chomp for @res;
2952 while (@res) {
2953 my ($func, $line) = splice @res, 0, 2, ();
2954 push @funcs, "[$func] $line";
2955 }
2956
2957 @funcs
2958 };
2959
2960 LOG llevInfo, "[ABT] $msg\n";
2961 LOG llevInfo, "[ABT] $_\n" for @bt;
2962 --$_log_backtrace;
2963 };
2964 } else {
2965 LOG llevInfo, "[ABT] $msg\n";
2966 LOG llevInfo, "[ABT] [suppressed]\n";
2617 }, 2967 }
2618); 2968}
2969
2970# load additional modules
2971use cf::pod;
2619 2972
2620END { cf::emergency_save } 2973END { cf::emergency_save }
2621 2974
26221 29751
2623 2976

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