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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.206 by root, Sun Feb 11 22:27:05 2007 UTC vs.
Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC

… …
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Storable;
9use Event;
9use Opcode; 10use Opcode;
10use Safe; 11use Safe;
11use Safe::Hole; 12use Safe::Hole;
12 13
13use Coro 3.5 (); 14use Coro 3.52 ();
15use Coro::State;
14use Coro::Event; 16use Coro::Event;
15use Coro::Timer; 17use Coro::Timer;
16use Coro::Signal; 18use Coro::Signal;
17use Coro::Semaphore; 19use Coro::Semaphore;
18use Coro::AIO; 20use Coro::AIO;
21use Coro::Storable;
19 22
20use BDB (); 23use BDB ();
21use Data::Dumper; 24use Data::Dumper;
22use Digest::MD5; 25use Digest::MD5;
23use Fcntl; 26use Fcntl;
27use YAML::Syck ();
24use IO::AIO 2.32 (); 28use IO::AIO 2.32 ();
25use YAML::Syck ();
26use Time::HiRes; 29use Time::HiRes;
30use Compress::LZF;
27 31
32# configure various modules to our taste
33#
34$Storable::canonical = 1; # reduce rsync transfers
35Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
36Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37
28use Event; $Event::Eval = 1; # no idea why this is required, but it is 38$Event::Eval = 1; # no idea why this is required, but it is
29
30sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31 39
32# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 40# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
33$YAML::Syck::ImplicitUnicode = 1; 41$YAML::Syck::ImplicitUnicode = 1;
34 42
35$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 43$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44
45sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36 46
37our %COMMAND = (); 47our %COMMAND = ();
38our %COMMAND_TIME = (); 48our %COMMAND_TIME = ();
39 49
40our @EXTS = (); # list of extension package names 50our @EXTS = (); # list of extension package names
41our %EXTCMD = (); 51our %EXTCMD = ();
42our %EXT_CORO = (); # coroutines bound to extensions 52our %EXT_CORO = (); # coroutines bound to extensions
43our %EXT_MAP = (); # pluggable maps 53our %EXT_MAP = (); # pluggable maps
44 54
55our $RELOAD; # number of reloads so far
45our @EVENT; 56our @EVENT;
46our $LIBDIR = datadir . "/ext"; 57our $LIBDIR = datadir . "/ext";
47 58
48our $TICK = MAX_TIME * 1e-6; 59our $TICK = MAX_TIME * 1e-6;
49our $TICK_WATCHER; 60our $TICK_WATCHER;
50our $AIO_POLL_WATCHER; 61our $AIO_POLL_WATCHER;
51our $WRITE_RUNTIME_WATCHER; 62our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52our $NEXT_TICK; 63our $NEXT_TICK;
53our $NOW; 64our $NOW;
54our $USE_FSYNC = 1; # use fsync to write maps - default off 65our $USE_FSYNC = 1; # use fsync to write maps - default off
55 66
56our $BDB_POLL_WATCHER; 67our $BDB_POLL_WATCHER;
… …
199 $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;
200 $d 211 $d
201 } || "[unable to dump $_[0]: '$@']"; 212 } || "[unable to dump $_[0]: '$@']";
202} 213}
203 214
204use JSON::Syck (); # TODO# replace by JSON::PC once working 215use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
205 216
206=item $ref = cf::from_json $json 217=item $ref = cf::from_json $json
207 218
208Converts a JSON string into the corresponding perl data structure. 219Converts a JSON string into the corresponding perl data structure.
209 220
210=cut
211
212sub from_json($) {
213 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214 JSON::Syck::Load $_[0]
215}
216
217=item $json = cf::to_json $ref 221=item $json = cf::to_json $ref
218 222
219Converts a perl data structure into its JSON representation. 223Converts a perl data structure into its JSON representation.
220
221=cut
222
223sub to_json($) {
224 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
225 JSON::Syck::Dump $_[0]
226}
227 224
228=item cf::lock_wait $string 225=item cf::lock_wait $string
229 226
230Wait until the given lock is available. See cf::lock_acquire. 227Wait until the given lock is available. See cf::lock_acquire.
231 228
… …
270sub freeze_mainloop { 267sub freeze_mainloop {
271 return unless $TICK_WATCHER->is_active; 268 return unless $TICK_WATCHER->is_active;
272 269
273 my $guard = Coro::guard { 270 my $guard = Coro::guard {
274 $TICK_WATCHER->start; 271 $TICK_WATCHER->start;
275 $WRITE_RUNTIME_WATCHER->start;
276 }; 272 };
277 $WRITE_RUNTIME_WATCHER->stop;
278 $TICK_WATCHER->stop; 273 $TICK_WATCHER->stop;
279 $guard 274 $guard
280} 275}
281 276
282=item cf::async { BLOCK } 277=item cf::async { BLOCK }
… …
353 348
354 $coro 349 $coro
355} 350}
356 351
357sub write_runtime { 352sub write_runtime {
353 my $guard = cf::lock_acquire "write_runtime";
354
358 my $runtime = cf::localdir . "/runtime"; 355 my $runtime = cf::localdir . "/runtime";
359 356
360 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 357 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
361 or return; 358 or return;
362 359
… …
376 373
377 aio_rename "$runtime~", $runtime 374 aio_rename "$runtime~", $runtime
378 and return; 375 and return;
379 376
380 1 377 1
378}
379
380=item cf::datalog type => key => value, ...
381
382Log a datalog packet of the given type with the given key-value pairs.
383
384=cut
385
386sub datalog($@) {
387 my ($type, %kv) = @_;
388 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381} 389}
382 390
383=back 391=back
384 392
385=cut 393=cut
… …
784 } 792 }
785 } else { 793 } else {
786 aio_unlink $filename; 794 aio_unlink $filename;
787 aio_unlink "$filename.pst"; 795 aio_unlink "$filename.pst";
788 } 796 }
789
790 #d##TODO# nuke non .map-files if exist
791 if ($filename =~ s/\.map$//) {
792 aio_unlink $filename;
793 aio_unlink "$filename.pst";
794 }
795 } 797 }
796} 798}
797 799
798sub object_freezer_as_string { 800sub object_freezer_as_string {
799 my ($rdata, $objs) = @_; 801 my ($rdata, $objs) = @_;
… …
805 807
806sub object_thawer_load { 808sub object_thawer_load {
807 my ($filename) = @_; 809 my ($filename) = @_;
808 810
809 my ($data, $av); 811 my ($data, $av);
810
811 #d#TODO remove .map if file does not exist
812 aio_stat $filename and $filename =~ s/\.map$//;
813 812
814 (aio_load $filename, $data) >= 0 813 (aio_load $filename, $data) >= 0
815 or return; 814 or return;
816 815
817 unless (aio_stat "$filename.pst") { 816 unless (aio_stat "$filename.pst") {
… …
966} 965}
967 966
968sub path($) { 967sub path($) {
969 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 968 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970 969
971 (playerdir $login) . "/$login.pl" 970 (playerdir $login) . "/playerdata"
972} 971}
973 972
974sub find_active($) { 973sub find_active($) {
975 $cf::PLAYER{$_[0]} 974 $cf::PLAYER{$_[0]}
976 and $cf::PLAYER{$_[0]}->active 975 and $cf::PLAYER{$_[0]}->active
… …
989 my $login = $_[0]; 988 my $login = $_[0];
990 989
991 my $guard = cf::lock_acquire "user_find:$login"; 990 my $guard = cf::lock_acquire "user_find:$login";
992 991
993 $cf::PLAYER{$_[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
994 my $pl = load_pl path $login 1000 my $pl = load_pl path $login
995 or return; 1001 or return;
996 $cf::PLAYER{$login} = $pl 1002 $cf::PLAYER{$login} = $pl
997 } 1003 }
998 } 1004 }
… …
1035 1041
1036=cut 1042=cut
1037 1043
1038sub quit_character { 1044sub quit_character {
1039 my ($pl) = @_; 1045 my ($pl) = @_;
1046
1047 my $name = $pl->ob->name;
1040 1048
1041 $pl->{deny_save} = 1; 1049 $pl->{deny_save} = 1;
1042 $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
1043 1051
1044 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1052 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
… …
1049 my $path = playerdir $pl; 1057 my $path = playerdir $pl;
1050 my $temp = "$path~$cf::RUNTIME~deleting~"; 1058 my $temp = "$path~$cf::RUNTIME~deleting~";
1051 aio_rename $path, $temp; 1059 aio_rename $path, $temp;
1052 delete $cf::PLAYER{$pl->ob->name}; 1060 delete $cf::PLAYER{$pl->ob->name};
1053 $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
1054 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;
1055} 1083}
1056 1084
1057=item cf::player::list_logins 1085=item cf::player::list_logins
1058 1086
1059Returns 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
… …
1105 } 1133 }
1106 1134
1107 \@paths 1135 \@paths
1108} 1136}
1109 1137
1110=item $player->ext_reply ($msgid, $msgtype, %msg) 1138=item $player->ext_reply ($msgid, %msg)
1111 1139
1112Sends an ext reply to the player. 1140Sends an ext reply to the player.
1113 1141
1114=cut 1142=cut
1115 1143
1116sub ext_reply($$$%) { 1144sub ext_reply($$%) {
1117 my ($self, $id, %msg) = @_; 1145 my ($self, $id, %msg) = @_;
1118 1146
1119 $msg{msgid} = $id; 1147 $msg{msgid} = $id;
1120 1148
1121 $self->send ("ext " . cf::to_json \%msg); 1149 $self->send ("ext " . cf::to_json \%msg);
1122} 1150}
1123 1151
1124package 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}
1125 1192
1126=back 1193=back
1127
1128 1194
1129=head3 cf::map 1195=head3 cf::map
1130 1196
1131=over 4 1197=over 4
1132 1198
… …
1304 my ($self) = @_; 1370 my ($self) = @_;
1305 1371
1306 utf8::encode (my $save = $self->save_path); 1372 utf8::encode (my $save = $self->save_path);
1307 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1373 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1374 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310 #d#TODO remove .map and also nuke
1311 $save =~ s/\.map// or return;#d#
1312 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314} 1375}
1315 1376
1316sub load_header_from($) { 1377sub load_header_from($) {
1317 my ($self, $path) = @_; 1378 my ($self, $path) = @_;
1318 1379
… …
1367 } else { 1428 } else {
1368 $self->load_header_orig 1429 $self->load_header_orig
1369 or return; 1430 or return;
1370 $self->prepare_orig; 1431 $self->prepare_orig;
1371 } 1432 }
1433
1434 $self->default_region (cf::region::find_by_path $self->{path})
1435 unless $self->default_region;
1372 1436
1373 1 1437 1
1374} 1438}
1375 1439
1376sub find; 1440sub find;
… …
1606 return if $self->players; 1670 return if $self->players;
1607 return if $self->isa ("ext::map_per_player");#d# 1671 return if $self->isa ("ext::map_per_player");#d#
1608 1672
1609 warn "resetting map ", $self->path;#d# 1673 warn "resetting map ", $self->path;#d#
1610 1674
1675 $self->in_memory (cf::MAP_SWAPPED);
1676
1677 # need to save uniques path
1678 unless ($self->{deny_save}) {
1679 my $uniq = $self->uniq_path; utf8::encode $uniq;
1680
1681 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1682 if $uniq;
1683 }
1684
1611 delete $cf::MAP{$self->path}; 1685 delete $cf::MAP{$self->path};
1612 1686
1613 $self->in_memory (cf::MAP_SWAPPED);
1614 $self->clear; 1687 $self->clear;
1615 1688
1616 $_->clear_links_to ($self) for values %cf::MAP; 1689 $_->clear_links_to ($self) for values %cf::MAP;
1617 1690
1618 $self->unlink_save; 1691 $self->unlink_save;
… …
1808 $map->load; 1881 $map->load;
1809 $map->load_diag; 1882 $map->load_diag;
1810 1883
1811 return unless $self->contr->active; 1884 return unless $self->contr->active;
1812 $self->activate_recursive; 1885 $self->activate_recursive;
1886
1887 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813 $self->enter_map ($map, $x, $y); 1888 $self->enter_map ($map, $x, $y);
1814} 1889}
1815 1890
1816cf::player->attach ( 1891cf::player->attach (
1817 on_logout => sub { 1892 on_logout => sub {
… …
1830 # try to abort aborted map switching on player login :) 1905 # try to abort aborted map switching on player login :)
1831 # should happen only on crashes 1906 # should happen only on crashes
1832 if ($pl->ob->{_link_pos}) { 1907 if ($pl->ob->{_link_pos}) {
1833 $pl->ob->enter_link; 1908 $pl->ob->enter_link;
1834 (async { 1909 (async {
1835 # we need this sleep as the login has a concurrent enter_exit running
1836 # and this sleep increases chances of the player not ending up in scorn
1837 $pl->ob->reply (undef, 1910 $pl->ob->reply (undef,
1838 "There was an internal problem at your last logout, " 1911 "There was an internal problem at your last logout, "
1839 . "the server will try to bring you to your intended destination in a second.", 1912 . "the server will try to bring you to your intended destination in a second.",
1840 cf::NDI_RED); 1913 cf::NDI_RED);
1914 # we need this sleep as the login has a concurrent enter_exit running
1915 # and this sleep increases chances of the player not ending up in scorn
1841 Coro::Timer::sleep 1; 1916 Coro::Timer::sleep 1;
1842 $pl->ob->leave_link; 1917 $pl->ob->leave_link;
1843 })->prio (2); 1918 })->prio (2);
1844 } 1919 }
1845 }, 1920 },
… …
1928 2003
1929 return unless $self->type == cf::PLAYER; 2004 return unless $self->type == cf::PLAYER;
1930 2005
1931 if ($exit->slaying eq "/!") { 2006 if ($exit->slaying eq "/!") {
1932 #TODO: this should de-fi-ni-te-ly not be a sync-job 2007 #TODO: this should de-fi-ni-te-ly not be a sync-job
2008 # the problem is that $exit might not survive long enough
2009 # so it needs to be done right now, right here
1933 cf::sync_job { prepare_random_map $exit }; 2010 cf::sync_job { prepare_random_map $exit };
1934 } 2011 }
1935 2012
1936 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2013 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937 my $hp = $exit->stats->hp; 2014 my $hp = $exit->stats->hp;
… …
1945 $self->goto ($slaying, $hp, $sp); 2022 $self->goto ($slaying, $hp, $sp);
1946 2023
1947 1; 2024 1;
1948 }) { 2025 }) {
1949 $self->message ("Something went wrong deep within the crossfire server. " 2026 $self->message ("Something went wrong deep within the crossfire server. "
1950 . "I'll try to bring you back to the map you were before. " 2027 . "I'll try to bring you back to the map you were before. "
1951 . "Please report this to the dungeon master!", 2028 . "Please report this to the dungeon master!",
1952 cf::NDI_UNIQUE | cf::NDI_RED); 2029 cf::NDI_UNIQUE | cf::NDI_RED);
1953 2030
1954 warn "ERROR in enter_exit: $@"; 2031 warn "ERROR in enter_exit: $@";
1955 $self->leave_link; 2032 $self->leave_link;
1956 } 2033 }
1957 })->prio (1); 2034 })->prio (1);
… …
1970 2047
1971sub cf::client::send_drawinfo { 2048sub cf::client::send_drawinfo {
1972 my ($self, $text, $flags) = @_; 2049 my ($self, $text, $flags) = @_;
1973 2050
1974 utf8::encode $text; 2051 utf8::encode $text;
1975 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2052 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976} 2053}
1977 2054
2055=item $client->ext_event ($type, %msg)
2056
2057Sends an exti event to the client.
2058
2059=cut
2060
2061sub cf::client::ext_event($$%) {
2062 my ($self, $type, %msg) = @_;
2063
2064 $msg{msgtype} = "event_$type";
2065 $self->send_packet ("ext " . cf::to_json \%msg);
2066}
1978 2067
1979=item $success = $client->query ($flags, "text", \&cb) 2068=item $success = $client->query ($flags, "text", \&cb)
1980 2069
1981Queues a query to the client, calling the given callback with 2070Queues a query to the client, calling the given callback with
1982the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2071the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
… …
2079 2168
2080# here we export the classes and methods available to script code 2169# here we export the classes and methods available to script code
2081 2170
2082=pod 2171=pod
2083 2172
2084The following fucntions and emthods are available within a safe environment: 2173The following functions and methods are available within a safe environment:
2085 2174
2086 cf::object contr pay_amount pay_player map 2175 cf::object contr pay_amount pay_player map
2087 cf::object::player player 2176 cf::object::player player
2088 cf::player peaceful 2177 cf::player peaceful
2089 cf::map trigger 2178 cf::map trigger
… …
2182The parameter C<$family> should best start with the name of the extension 2271The parameter C<$family> should best start with the name of the extension
2183using it, it should be unique. 2272using it, it should be unique.
2184 2273
2185=over 4 2274=over 4
2186 2275
2187=item $hashref = cf::db_get $family
2188
2189Return a hashref for use by the extension C<$family>, which can be
2190modified. After modifications, you have to call C<cf::db_dirty> or
2191C<cf::db_sync>.
2192
2193=item $value = cf::db_get $family => $key 2276=item $value = cf::db_get $family => $key
2194 2277
2195Returns a single value from the database 2278Returns a single value from the database.
2196
2197=item cf::db_put $family => $hashref
2198
2199Stores the given family hashref into the database. Updates are delayed, if
2200you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201 2279
2202=item cf::db_put $family => $key => $value 2280=item cf::db_put $family => $key => $value
2203 2281
2204Stores the given C<$value> in the family hash. Updates are delayed, if you 2282Stores the given C<$value> in the family.
2205want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207=item cf::db_dirty
2208
2209Marks the database as dirty, to be updated at a later time.
2210
2211=item cf::db_sync
2212
2213Immediately write the database to disk I<if it is dirty>.
2214 2283
2215=cut 2284=cut
2216 2285
2217our $DB; 2286our $DB;
2218 2287
2219{ 2288sub db_init {
2289 unless ($DB) {
2290 $DB = BDB::db_create $DB_ENV;
2291
2292 cf::sync_job {
2293 eval {
2294 $DB->set_flags (BDB::CHKSUM);
2295
2296 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2297 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2298 cf::cleanup "db_open(db): $!" if $!;
2299 };
2300 cf::cleanup "db_open(db): $@" if $@;
2301 };
2302
2220 my $path = cf::localdir . "/database.pst"; 2303 my $path = cf::localdir . "/database.pst";
2304 if (stat $path) {
2305 cf::sync_job {
2306 my $pst = Storable::retrieve $path;
2221 2307
2222 sub db_load() { 2308 cf::db_put (board => data => $pst->{board});
2223 $DB = stat $path ? Storable::retrieve $path : { }; 2309 cf::db_put (guildrules => data => $pst->{guildrules});
2224 } 2310 cf::db_put (rent => balance => $pst->{rent}{balance});
2311 BDB::db_env_txn_checkpoint $DB_ENV;
2225 2312
2226 my $pid; 2313 unlink $path;
2227
2228 sub db_save() {
2229 waitpid $pid, 0 if $pid;
2230 if (0 == ($pid = fork)) {
2231 $DB->{_meta}{version} = 1;
2232 Storable::nstore $DB, "$path~";
2233 rename "$path~", $path;
2234 cf::_exit 0 if defined $pid;
2235 } 2314 };
2236 }
2237
2238 my $dirty;
2239
2240 sub db_sync() {
2241 db_save if $dirty;
2242 undef $dirty;
2243 }
2244
2245 my $idle = Event->idle (
2246 reentrant => 0,
2247 min => 10,
2248 max => 20,
2249 repeat => 0,
2250 data => WF_AUTOCANCEL,
2251 cb => \&db_sync,
2252 );
2253
2254 sub db_dirty() {
2255 $dirty = 1;
2256 $idle->start;
2257 }
2258
2259 sub db_get($;$) {
2260 @_ >= 2
2261 ? $DB->{$_[0]}{$_[1]}
2262 : ($DB->{$_[0]} ||= { })
2263 }
2264
2265 sub db_put($$;$) {
2266 if (@_ >= 3) {
2267 $DB->{$_[0]}{$_[1]} = $_[2];
2268 } else {
2269 $DB->{$_[0]} = $_[1];
2270 }
2271 db_dirty;
2272 }
2273
2274 cf::global->attach (
2275 prio => 10000,
2276 on_cleanup => sub {
2277 db_sync;
2278 }, 2315 }
2279 ); 2316 }
2317}
2318
2319sub db_get($$) {
2320 my $key = "$_[0]/$_[1]";
2321
2322 cf::sync_job {
2323 BDB::db_get $DB, undef, $key, my $data;
2324
2325 $! ? ()
2326 : Compress::LZF::sthaw $data
2327 }
2328}
2329
2330sub db_put($$$) {
2331 BDB::dbreq_pri 4;
2332 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2280} 2333}
2281 2334
2282############################################################################# 2335#############################################################################
2283# the server's init and main functions 2336# the server's init and main functions
2284 2337
2338sub load_facedata {
2339 my $path = sprintf "%s/facedata", cf::datadir;
2340
2341 warn "loading facedata from $path\n";
2342
2343 my $facedata;
2344 0 < aio_load $path, $facedata
2345 or die "$path: $!";
2346
2347 $facedata = Coro::Storable::thaw $facedata;
2348
2349 $facedata->{version} == 2
2350 or cf::cleanup "$path: version mismatch, cannot proceed.";
2351
2352 {
2353 my $faces = $facedata->{faceinfo};
2354
2355 while (my ($face, $info) = each %$faces) {
2356 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2357 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2358 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2359 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2360 Coro::cede;
2361 }
2362
2363 while (my ($face, $info) = each %$faces) {
2364 next unless $info->{smooth};
2365 my $idx = cf::face::find $face
2366 or next;
2367 if (my $smooth = cf::face::find $info->{smooth}) {
2368 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2369 } else {
2370 warn "smooth face '$info->{smooth}' not found for face '$face'";
2371 }
2372 Coro::cede;
2373 }
2374 }
2375
2376 {
2377 my $anims = $facedata->{animinfo};
2378
2379 while (my ($anim, $info) = each %$anims) {
2380 cf::anim::set $anim, $info->{frames}, $info->{facings};
2381 Coro::cede;
2382 }
2383
2384 cf::anim::invalidate_all; # d'oh
2385 }
2386
2387 1
2388}
2389
2285sub load_resources { 2390sub reload_resources {
2286 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2391 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2287 or die "unable to load regions file\n";#d# 2392 or die "unable to load regions file\n";#d#
2393 load_facedata
2394 or die "unable to load facedata\n";#d#
2395}
2396
2397sub init {
2398 reload_resources;
2288} 2399}
2289 2400
2290sub cfg_load { 2401sub cfg_load {
2291 open my $fh, "<:utf8", cf::confdir . "/config" 2402 open my $fh, "<:utf8", cf::confdir . "/config"
2292 or return; 2403 or return;
… …
2304 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 2415 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2305 and die "WARNING: m(un)lockall failed: $!\n"; 2416 and die "WARNING: m(un)lockall failed: $!\n";
2306 }; 2417 };
2307 warn $@ if $@; 2418 warn $@ if $@;
2308 } 2419 }
2309}
2310
2311sub init {
2312 load_resources;
2313} 2420}
2314 2421
2315sub main { 2422sub main {
2316 # we must not ever block the main coroutine 2423 # we must not ever block the main coroutine
2317 local $Coro::idle = sub { 2424 local $Coro::idle = sub {
… …
2320 Event::one_event; 2427 Event::one_event;
2321 })->prio (Coro::PRIO_MAX); 2428 })->prio (Coro::PRIO_MAX);
2322 }; 2429 };
2323 2430
2324 cfg_load; 2431 cfg_load;
2325 db_load; 2432 db_init;
2326 load_extensions; 2433 load_extensions;
2327 2434
2328 $TICK_WATCHER->start; 2435 $TICK_WATCHER->start;
2329 Event::loop; 2436 Event::loop;
2330} 2437}
… …
2369 my $map = $cf::MAP{$path} or next; 2476 my $map = $cf::MAP{$path} or next;
2370 $map->valid or next; 2477 $map->valid or next;
2371 $map->save; 2478 $map->save;
2372 } 2479 }
2373 warn "end emergency map save\n"; 2480 warn "end emergency map save\n";
2481
2482 warn "begin emergency database checkpoint\n";
2483 BDB::db_env_txn_checkpoint $DB_ENV;
2484 warn "end emergency database checkpoint\n";
2374 }; 2485 };
2375 2486
2376 warn "leave emergency perl save\n"; 2487 warn "leave emergency perl save\n";
2488}
2489
2490sub post_cleanup {
2491 my ($make_core) = @_;
2492
2493 warn Carp::longmess "post_cleanup backtrace"
2494 if $make_core;
2377} 2495}
2378 2496
2379sub reload() { 2497sub reload() {
2380 # can/must only be called in main 2498 # can/must only be called in main
2381 if ($Coro::current != $Coro::main) { 2499 if ($Coro::current != $Coro::main) {
… …
2383 return; 2501 return;
2384 } 2502 }
2385 2503
2386 warn "reloading..."; 2504 warn "reloading...";
2387 2505
2388 warn "cancelling server ticker"; 2506 warn "entering sync_job";
2389 $TICK_WATCHER->cancel;
2390 2507
2508 cf::sync_job {
2509 cf::write_runtime; # external watchdog should not bark
2391 cf::emergency_save; 2510 cf::emergency_save;
2511 cf::write_runtime; # external watchdog should not bark
2392 2512
2393 eval { 2513 warn "syncing database to disk";
2514 BDB::db_env_txn_checkpoint $DB_ENV;
2515
2394 # if anything goes wrong in here, we should simply crash as we already saved 2516 # if anything goes wrong in here, we should simply crash as we already saved
2395
2396 warn "syncing database to disk";
2397 cf::db_sync;
2398 2517
2399 warn "cancelling all WF_AUTOCANCEL watchers"; 2518 warn "cancelling all WF_AUTOCANCEL watchers";
2400 for (Event::all_watchers) { 2519 for (Event::all_watchers) {
2401 $_->cancel if $_->data & WF_AUTOCANCEL; 2520 $_->cancel if $_->data & WF_AUTOCANCEL;
2402 } 2521 }
2403 2522
2404 warn "flushing outstanding aio requests"; 2523 warn "flushing outstanding aio requests";
2405 for (;;) { 2524 for (;;) {
2525 BDB::flush;
2406 IO::AIO::flush; 2526 IO::AIO::flush;
2407 Coro::cede; 2527 Coro::cede;
2408 last unless IO::AIO::nreqs; 2528 last unless IO::AIO::nreqs || BDB::nreqs;
2409 warn "iterate..."; 2529 warn "iterate...";
2410 } 2530 }
2531
2532 ++$RELOAD;
2411 2533
2412 warn "cancelling all extension coros"; 2534 warn "cancelling all extension coros";
2413 $_->cancel for values %EXT_CORO; 2535 $_->cancel for values %EXT_CORO;
2414 %EXT_CORO = (); 2536 %EXT_CORO = ();
2415 2537
… …
2468 require cf; 2590 require cf;
2469 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2591 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470 2592
2471 warn "loading config and database again"; 2593 warn "loading config and database again";
2472 cf::cfg_load; 2594 cf::cfg_load;
2473 cf::db_load;
2474 2595
2475 warn "loading extensions"; 2596 warn "loading extensions";
2476 cf::load_extensions; 2597 cf::load_extensions;
2477 2598
2478 warn "reattaching attachments to objects/players"; 2599 warn "reattaching attachments to objects/players";
2479 _global_reattach; 2600 _global_reattach; # objects, sockets
2480 warn "reattaching attachments to maps"; 2601 warn "reattaching attachments to maps";
2481 reattach $_ for values %MAP; 2602 reattach $_ for values %MAP;
2603 warn "reattaching attachments to players";
2604 reattach $_ for values %PLAYER;
2482 2605
2483 warn "loading reloadable resources"; 2606 warn "loading reloadable resources";
2484 load_resources; 2607 reload_resources;
2485 2608
2486 warn "restarting server ticker"; 2609 warn "leaving sync_job";
2487 2610
2488 $TICK_WATCHER->start; 2611 1
2489 }; 2612 } or do {
2490
2491 if ($@) {
2492 warn $@; 2613 warn $@;
2493 warn "error while reloading, exiting."; 2614 warn "error while reloading, exiting.";
2494 exit 1; 2615 exit 1;
2495 } 2616 };
2496 2617
2497 warn "reloaded"; 2618 warn "reloaded";
2498}; 2619};
2499 2620
2500our $RELOAD_WATCHER; # used only during reload 2621our $RELOAD_WATCHER; # used only during reload
… …
2541 2662
2542 cf::server_tick; # one server iteration 2663 cf::server_tick; # one server iteration
2543 $RUNTIME += $TICK; 2664 $RUNTIME += $TICK;
2544 $NEXT_TICK += $TICK; 2665 $NEXT_TICK += $TICK;
2545 2666
2667 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2668 $NEXT_RUNTIME_WRITE = $NOW + 10;
2669 Coro::async_pool {
2670 write_runtime
2671 or warn "ERROR: unable to write runtime file: $!";
2672 };
2673 }
2674
2546 $WAIT_FOR_TICK->broadcast; 2675 $WAIT_FOR_TICK->broadcast;
2547 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2676 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2548 2677
2549 Event::sweep;
2550 Coro::cede_notself;
2551
2552# my $AFTER = Event::time; 2678# my $AFTER = Event::time;
2553# warn $AFTER - $NOW;#d# 2679# warn $AFTER - $NOW;#d#
2554 2680
2555 # if we are delayed by four ticks or more, skip them all 2681 # if we are delayed by four ticks or more, skip them all
2556 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2682 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
… …
2589 2715
2590 unless ($DB_ENV) { 2716 unless ($DB_ENV) {
2591 $DB_ENV = BDB::db_env_create; 2717 $DB_ENV = BDB::db_env_create;
2592 2718
2593 cf::sync_job { 2719 cf::sync_job {
2720 eval {
2594 BDB::db_env_open 2721 BDB::db_env_open
2595 $DB_ENV, 2722 $DB_ENV,
2596 $BDB_ENV_DIR, 2723 $BDB_ENV_DIR,
2597 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 2724 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 2725 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599 0666; 2726 0666;
2600 2727
2601 cf::cleanup "$!" if $!; 2728 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2602 2729
2603 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 2730 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2731 $DB_ENV->set_lk_detect;
2732 };
2733
2734 cf::cleanup "db_env_open(db): $@" if $@;
2604 }; 2735 };
2605 } 2736 }
2606} 2737}
2607 2738
2608{ 2739{
… …
2610 2741
2611 undef $Coro::AIO::WATCHER; 2742 undef $Coro::AIO::WATCHER;
2612 IO::AIO::max_poll_time $TICK * 0.1; 2743 IO::AIO::max_poll_time $TICK * 0.1;
2613 $AIO_POLL_WATCHER = Event->io ( 2744 $AIO_POLL_WATCHER = Event->io (
2614 reentrant => 0, 2745 reentrant => 0,
2746 data => WF_AUTOCANCEL,
2615 fd => IO::AIO::poll_fileno, 2747 fd => IO::AIO::poll_fileno,
2616 poll => 'r', 2748 poll => 'r',
2617 prio => 6, 2749 prio => 6,
2618 data => WF_AUTOCANCEL,
2619 cb => \&IO::AIO::poll_cb, 2750 cb => \&IO::AIO::poll_cb,
2620 ); 2751 );
2621} 2752}
2622 2753
2623$WRITE_RUNTIME_WATCHER = Event->timer (
2624 reentrant => 0,
2625 data => WF_AUTOCANCEL,
2626 after => 1,
2627 interval => 10,
2628 prio => 6, # keep it lowest so it acts like a watchdog
2629 cb => Coro::unblock_sub {
2630 write_runtime
2631 or warn "ERROR: unable to write runtime file: $!";
2632 },
2633);
2634
2635END { cf::emergency_save } 2754END { cf::emergency_save }
2636 2755
26371 27561
2638 2757

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