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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 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;
27use Compress::LZF; 30use Compress::LZF;
28 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
29Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 36Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30 37
31use 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
32
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 39
35# 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?
36$YAML::Syck::ImplicitUnicode = 1; 41$YAML::Syck::ImplicitUnicode = 1;
37 42
38$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 43$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
39 46
40our %COMMAND = (); 47our %COMMAND = ();
41our %COMMAND_TIME = (); 48our %COMMAND_TIME = ();
42 49
43our @EXTS = (); # list of extension package names 50our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 51our %EXTCMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 52our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 53our %EXT_MAP = (); # pluggable maps
47 54
55our $RELOAD; # number of reloads so far
48our @EVENT; 56our @EVENT;
49our $LIBDIR = datadir . "/ext"; 57our $LIBDIR = datadir . "/ext";
50 58
51our $TICK = MAX_TIME * 1e-6; 59our $TICK = MAX_TIME * 1e-6;
52our $TICK_WATCHER; 60our $TICK_WATCHER;
53our $AIO_POLL_WATCHER; 61our $AIO_POLL_WATCHER;
54our $WRITE_RUNTIME_WATCHER; 62our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 63our $NEXT_TICK;
56our $NOW; 64our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off 65our $USE_FSYNC = 1; # use fsync to write maps - default off
58 66
59our $BDB_POLL_WATCHER; 67our $BDB_POLL_WATCHER;
… …
202 $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;
203 $d 211 $d
204 } || "[unable to dump $_[0]: '$@']"; 212 } || "[unable to dump $_[0]: '$@']";
205} 213}
206 214
207use JSON::Syck (); # TODO# replace by JSON::PC once working 215use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
208 216
209=item $ref = cf::from_json $json 217=item $ref = cf::from_json $json
210 218
211Converts a JSON string into the corresponding perl data structure. 219Converts a JSON string into the corresponding perl data structure.
212 220
213=cut
214
215sub from_json($) {
216 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217 JSON::Syck::Load $_[0]
218}
219
220=item $json = cf::to_json $ref 221=item $json = cf::to_json $ref
221 222
222Converts a perl data structure into its JSON representation. 223Converts a perl data structure into its JSON representation.
223
224=cut
225
226sub to_json($) {
227 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
228 JSON::Syck::Dump $_[0]
229}
230 224
231=item cf::lock_wait $string 225=item cf::lock_wait $string
232 226
233Wait until the given lock is available. See cf::lock_acquire. 227Wait until the given lock is available. See cf::lock_acquire.
234 228
… …
273sub freeze_mainloop { 267sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 268 return unless $TICK_WATCHER->is_active;
275 269
276 my $guard = Coro::guard { 270 my $guard = Coro::guard {
277 $TICK_WATCHER->start; 271 $TICK_WATCHER->start;
278 $WRITE_RUNTIME_WATCHER->start;
279 }; 272 };
280 $WRITE_RUNTIME_WATCHER->stop;
281 $TICK_WATCHER->stop; 273 $TICK_WATCHER->stop;
282 $guard 274 $guard
283} 275}
284 276
285=item cf::async { BLOCK } 277=item cf::async { BLOCK }
… …
356 348
357 $coro 349 $coro
358} 350}
359 351
360sub write_runtime { 352sub write_runtime {
361 $TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1; 353 my $guard = cf::lock_acquire "write_runtime";
362 354
363 my $runtime = cf::localdir . "/runtime"; 355 my $runtime = cf::localdir . "/runtime";
364 356
365 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 357 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
366 or return; 358 or return;
… …
381 373
382 aio_rename "$runtime~", $runtime 374 aio_rename "$runtime~", $runtime
383 and return; 375 and return;
384 376
385 1 377 1
378}
379
380=item cf::datalog type => key => value, ...
381
382Log a datalog packet of the given type with the given key-value pairs.
383
384=cut
385
386sub datalog($@) {
387 my ($type, %kv) = @_;
388 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
386} 389}
387 390
388=back 391=back
389 392
390=cut 393=cut
… …
789 } 792 }
790 } else { 793 } else {
791 aio_unlink $filename; 794 aio_unlink $filename;
792 aio_unlink "$filename.pst"; 795 aio_unlink "$filename.pst";
793 } 796 }
794
795 #d##TODO# nuke non .map-files if exist
796 if ($filename =~ s/\.map$//) {
797 aio_unlink $filename;
798 aio_unlink "$filename.pst";
799 }
800 } 797 }
801} 798}
802 799
803sub object_freezer_as_string { 800sub object_freezer_as_string {
804 my ($rdata, $objs) = @_; 801 my ($rdata, $objs) = @_;
… …
810 807
811sub object_thawer_load { 808sub object_thawer_load {
812 my ($filename) = @_; 809 my ($filename) = @_;
813 810
814 my ($data, $av); 811 my ($data, $av);
815
816 #d#TODO remove .map if file does not exist
817 aio_stat $filename and $filename =~ s/\.map$//;
818 812
819 (aio_load $filename, $data) >= 0 813 (aio_load $filename, $data) >= 0
820 or return; 814 or return;
821 815
822 unless (aio_stat "$filename.pst") { 816 unless (aio_stat "$filename.pst") {
… …
971} 965}
972 966
973sub path($) { 967sub path($) {
974 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 968 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975 969
976 (playerdir $login) . "/$login.pl" 970 (playerdir $login) . "/playerdata"
977} 971}
978 972
979sub find_active($) { 973sub find_active($) {
980 $cf::PLAYER{$_[0]} 974 $cf::PLAYER{$_[0]}
981 and $cf::PLAYER{$_[0]}->active 975 and $cf::PLAYER{$_[0]}->active
… …
994 my $login = $_[0]; 988 my $login = $_[0];
995 989
996 my $guard = cf::lock_acquire "user_find:$login"; 990 my $guard = cf::lock_acquire "user_find:$login";
997 991
998 $cf::PLAYER{$_[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
999 my $pl = load_pl path $login 1000 my $pl = load_pl path $login
1000 or return; 1001 or return;
1001 $cf::PLAYER{$login} = $pl 1002 $cf::PLAYER{$login} = $pl
1002 } 1003 }
1003 } 1004 }
… …
1040 1041
1041=cut 1042=cut
1042 1043
1043sub quit_character { 1044sub quit_character {
1044 my ($pl) = @_; 1045 my ($pl) = @_;
1046
1047 my $name = $pl->ob->name;
1045 1048
1046 $pl->{deny_save} = 1; 1049 $pl->{deny_save} = 1;
1047 $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
1048 1051
1049 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1052 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
… …
1054 my $path = playerdir $pl; 1057 my $path = playerdir $pl;
1055 my $temp = "$path~$cf::RUNTIME~deleting~"; 1058 my $temp = "$path~$cf::RUNTIME~deleting~";
1056 aio_rename $path, $temp; 1059 aio_rename $path, $temp;
1057 delete $cf::PLAYER{$pl->ob->name}; 1060 delete $cf::PLAYER{$pl->ob->name};
1058 $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
1059 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;
1060} 1083}
1061 1084
1062=item cf::player::list_logins 1085=item cf::player::list_logins
1063 1086
1064Returns 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
… …
1110 } 1133 }
1111 1134
1112 \@paths 1135 \@paths
1113} 1136}
1114 1137
1115=item $player->ext_reply ($msgid, $msgtype, %msg) 1138=item $player->ext_reply ($msgid, %msg)
1116 1139
1117Sends an ext reply to the player. 1140Sends an ext reply to the player.
1118 1141
1119=cut 1142=cut
1120 1143
1121sub ext_reply($$$%) { 1144sub ext_reply($$%) {
1122 my ($self, $id, %msg) = @_; 1145 my ($self, $id, %msg) = @_;
1123 1146
1124 $msg{msgid} = $id; 1147 $msg{msgid} = $id;
1125 1148
1126 $self->send ("ext " . cf::to_json \%msg); 1149 $self->send ("ext " . cf::to_json \%msg);
1127} 1150}
1128 1151
1129package 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}
1130 1192
1131=back 1193=back
1132
1133 1194
1134=head3 cf::map 1195=head3 cf::map
1135 1196
1136=over 4 1197=over 4
1137 1198
… …
1309 my ($self) = @_; 1370 my ($self) = @_;
1310 1371
1311 utf8::encode (my $save = $self->save_path); 1372 utf8::encode (my $save = $self->save_path);
1312 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1373 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1374 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315 #d#TODO remove .map and also nuke
1316 $save =~ s/\.map// or return;#d#
1317 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319} 1375}
1320 1376
1321sub load_header_from($) { 1377sub load_header_from($) {
1322 my ($self, $path) = @_; 1378 my ($self, $path) = @_;
1323 1379
… …
1372 } else { 1428 } else {
1373 $self->load_header_orig 1429 $self->load_header_orig
1374 or return; 1430 or return;
1375 $self->prepare_orig; 1431 $self->prepare_orig;
1376 } 1432 }
1433
1434 $self->default_region (cf::region::find_by_path $self->{path})
1435 unless $self->default_region;
1377 1436
1378 1 1437 1
1379} 1438}
1380 1439
1381sub find; 1440sub find;
… …
1822 $map->load; 1881 $map->load;
1823 $map->load_diag; 1882 $map->load_diag;
1824 1883
1825 return unless $self->contr->active; 1884 return unless $self->contr->active;
1826 $self->activate_recursive; 1885 $self->activate_recursive;
1886
1887 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827 $self->enter_map ($map, $x, $y); 1888 $self->enter_map ($map, $x, $y);
1828} 1889}
1829 1890
1830cf::player->attach ( 1891cf::player->attach (
1831 on_logout => sub { 1892 on_logout => sub {
… …
1844 # try to abort aborted map switching on player login :) 1905 # try to abort aborted map switching on player login :)
1845 # should happen only on crashes 1906 # should happen only on crashes
1846 if ($pl->ob->{_link_pos}) { 1907 if ($pl->ob->{_link_pos}) {
1847 $pl->ob->enter_link; 1908 $pl->ob->enter_link;
1848 (async { 1909 (async {
1849 # we need this sleep as the login has a concurrent enter_exit running
1850 # and this sleep increases chances of the player not ending up in scorn
1851 $pl->ob->reply (undef, 1910 $pl->ob->reply (undef,
1852 "There was an internal problem at your last logout, " 1911 "There was an internal problem at your last logout, "
1853 . "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.",
1854 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
1855 Coro::Timer::sleep 1; 1916 Coro::Timer::sleep 1;
1856 $pl->ob->leave_link; 1917 $pl->ob->leave_link;
1857 })->prio (2); 1918 })->prio (2);
1858 } 1919 }
1859 }, 1920 },
… …
1942 2003
1943 return unless $self->type == cf::PLAYER; 2004 return unless $self->type == cf::PLAYER;
1944 2005
1945 if ($exit->slaying eq "/!") { 2006 if ($exit->slaying eq "/!") {
1946 #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
1947 cf::sync_job { prepare_random_map $exit }; 2010 cf::sync_job { prepare_random_map $exit };
1948 } 2011 }
1949 2012
1950 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;
1951 my $hp = $exit->stats->hp; 2014 my $hp = $exit->stats->hp;
… …
1959 $self->goto ($slaying, $hp, $sp); 2022 $self->goto ($slaying, $hp, $sp);
1960 2023
1961 1; 2024 1;
1962 }) { 2025 }) {
1963 $self->message ("Something went wrong deep within the crossfire server. " 2026 $self->message ("Something went wrong deep within the crossfire server. "
1964 . "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. "
1965 . "Please report this to the dungeon master!", 2028 . "Please report this to the dungeon master!",
1966 cf::NDI_UNIQUE | cf::NDI_RED); 2029 cf::NDI_UNIQUE | cf::NDI_RED);
1967 2030
1968 warn "ERROR in enter_exit: $@"; 2031 warn "ERROR in enter_exit: $@";
1969 $self->leave_link; 2032 $self->leave_link;
1970 } 2033 }
1971 })->prio (1); 2034 })->prio (1);
… …
1984 2047
1985sub cf::client::send_drawinfo { 2048sub cf::client::send_drawinfo {
1986 my ($self, $text, $flags) = @_; 2049 my ($self, $text, $flags) = @_;
1987 2050
1988 utf8::encode $text; 2051 utf8::encode $text;
1989 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2052 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990} 2053}
1991 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}
1992 2067
1993=item $success = $client->query ($flags, "text", \&cb) 2068=item $success = $client->query ($flags, "text", \&cb)
1994 2069
1995Queues a query to the client, calling the given callback with 2070Queues a query to the client, calling the given callback with
1996the 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>,
… …
2093 2168
2094# here we export the classes and methods available to script code 2169# here we export the classes and methods available to script code
2095 2170
2096=pod 2171=pod
2097 2172
2098The following fucntions and emthods are available within a safe environment: 2173The following functions and methods are available within a safe environment:
2099 2174
2100 cf::object contr pay_amount pay_player map 2175 cf::object contr pay_amount pay_player map
2101 cf::object::player player 2176 cf::object::player player
2102 cf::player peaceful 2177 cf::player peaceful
2103 cf::map trigger 2178 cf::map trigger
… …
2258} 2333}
2259 2334
2260############################################################################# 2335#############################################################################
2261# the server's init and main functions 2336# the server's init and main functions
2262 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
2263sub load_resources { 2390sub reload_resources {
2264 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2391 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2265 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;
2266} 2399}
2267 2400
2268sub cfg_load { 2401sub cfg_load {
2269 open my $fh, "<:utf8", cf::confdir . "/config" 2402 open my $fh, "<:utf8", cf::confdir . "/config"
2270 or return; 2403 or return;
… …
2282 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 2415 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2283 and die "WARNING: m(un)lockall failed: $!\n"; 2416 and die "WARNING: m(un)lockall failed: $!\n";
2284 }; 2417 };
2285 warn $@ if $@; 2418 warn $@ if $@;
2286 } 2419 }
2287}
2288
2289sub init {
2290 load_resources;
2291} 2420}
2292 2421
2293sub main { 2422sub main {
2294 # we must not ever block the main coroutine 2423 # we must not ever block the main coroutine
2295 local $Coro::idle = sub { 2424 local $Coro::idle = sub {
… …
2372 return; 2501 return;
2373 } 2502 }
2374 2503
2375 warn "reloading..."; 2504 warn "reloading...";
2376 2505
2377 warn "cancelling server ticker"; 2506 warn "entering sync_job";
2378 $TICK_WATCHER->cancel;
2379 2507
2508 cf::sync_job {
2509 cf::write_runtime; # external watchdog should not bark
2380 cf::emergency_save; 2510 cf::emergency_save;
2511 cf::write_runtime; # external watchdog should not bark
2381 2512
2382 eval { 2513 warn "syncing database to disk";
2514 BDB::db_env_txn_checkpoint $DB_ENV;
2515
2383 # 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
2384 2517
2385 warn "cancelling all WF_AUTOCANCEL watchers"; 2518 warn "cancelling all WF_AUTOCANCEL watchers";
2386 for (Event::all_watchers) { 2519 for (Event::all_watchers) {
2387 $_->cancel if $_->data & WF_AUTOCANCEL; 2520 $_->cancel if $_->data & WF_AUTOCANCEL;
2388 } 2521 }
2389
2390 warn "syncing database to disk";
2391 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392 2522
2393 warn "flushing outstanding aio requests"; 2523 warn "flushing outstanding aio requests";
2394 for (;;) { 2524 for (;;) {
2395 BDB::flush; 2525 BDB::flush;
2396 IO::AIO::flush; 2526 IO::AIO::flush;
2397 Coro::cede; 2527 Coro::cede;
2398 last unless IO::AIO::nreqs || BDB::nreqs; 2528 last unless IO::AIO::nreqs || BDB::nreqs;
2399 warn "iterate..."; 2529 warn "iterate...";
2400 } 2530 }
2401 2531
2532 ++$RELOAD;
2533
2402 warn "cancelling all extension coros"; 2534 warn "cancelling all extension coros";
2403 $_->cancel for values %EXT_CORO; 2535 $_->cancel for values %EXT_CORO;
2404 %EXT_CORO = (); 2536 %EXT_CORO = ();
2405 2537
2406 warn "removing commands"; 2538 warn "removing commands";
… …
2463 2595
2464 warn "loading extensions"; 2596 warn "loading extensions";
2465 cf::load_extensions; 2597 cf::load_extensions;
2466 2598
2467 warn "reattaching attachments to objects/players"; 2599 warn "reattaching attachments to objects/players";
2468 _global_reattach; 2600 _global_reattach; # objects, sockets
2469 warn "reattaching attachments to maps"; 2601 warn "reattaching attachments to maps";
2470 reattach $_ for values %MAP; 2602 reattach $_ for values %MAP;
2603 warn "reattaching attachments to players";
2604 reattach $_ for values %PLAYER;
2471 2605
2472 warn "loading reloadable resources"; 2606 warn "loading reloadable resources";
2473 load_resources; 2607 reload_resources;
2474 2608
2475 warn "restarting server ticker"; 2609 warn "leaving sync_job";
2476 2610
2477 $TICK_WATCHER->start; 2611 1
2478 }; 2612 } or do {
2479
2480 if ($@) {
2481 warn $@; 2613 warn $@;
2482 warn "error while reloading, exiting."; 2614 warn "error while reloading, exiting.";
2483 exit 1; 2615 exit 1;
2484 } 2616 };
2485 2617
2486 warn "reloaded"; 2618 warn "reloaded";
2487}; 2619};
2488 2620
2489our $RELOAD_WATCHER; # used only during reload 2621our $RELOAD_WATCHER; # used only during reload
… …
2530 2662
2531 cf::server_tick; # one server iteration 2663 cf::server_tick; # one server iteration
2532 $RUNTIME += $TICK; 2664 $RUNTIME += $TICK;
2533 $NEXT_TICK += $TICK; 2665 $NEXT_TICK += $TICK;
2534 2666
2667 if ($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
2535 $WAIT_FOR_TICK->broadcast; 2675 $WAIT_FOR_TICK->broadcast;
2536 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2676 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2537 2677
2538 Event::sweep;
2539 Coro::cede_notself;
2540
2541# my $AFTER = Event::time; 2678# my $AFTER = Event::time;
2542# warn $AFTER - $NOW;#d# 2679# warn $AFTER - $NOW;#d#
2543 2680
2544 # 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
2545 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2682 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
… …
2604 2741
2605 undef $Coro::AIO::WATCHER; 2742 undef $Coro::AIO::WATCHER;
2606 IO::AIO::max_poll_time $TICK * 0.1; 2743 IO::AIO::max_poll_time $TICK * 0.1;
2607 $AIO_POLL_WATCHER = Event->io ( 2744 $AIO_POLL_WATCHER = Event->io (
2608 reentrant => 0, 2745 reentrant => 0,
2746 data => WF_AUTOCANCEL,
2609 fd => IO::AIO::poll_fileno, 2747 fd => IO::AIO::poll_fileno,
2610 poll => 'r', 2748 poll => 'r',
2611 prio => 6, 2749 prio => 6,
2612 data => WF_AUTOCANCEL,
2613 cb => \&IO::AIO::poll_cb, 2750 cb => \&IO::AIO::poll_cb,
2614 ); 2751 );
2615} 2752}
2616 2753
2617$WRITE_RUNTIME_WATCHER = Event->timer (
2618 reentrant => 0,
2619 data => WF_AUTOCANCEL,
2620 after => 1,
2621 interval => 10,
2622 prio => 6, # keep it lowest so it acts like a watchdog
2623 cb => Coro::unblock_sub {
2624 write_runtime
2625 or warn "ERROR: unable to write runtime file: $!";
2626 },
2627);
2628
2629END { cf::emergency_save } 2754END { cf::emergency_save }
2630 2755
26311 27561
2632 2757

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