… | |
… | |
15 | use Coro::Timer; |
15 | use Coro::Timer; |
16 | use Coro::Signal; |
16 | use Coro::Signal; |
17 | use Coro::Semaphore; |
17 | use Coro::Semaphore; |
18 | use Coro::AIO; |
18 | use Coro::AIO; |
19 | |
19 | |
|
|
20 | use BDB (); |
20 | use Data::Dumper; |
21 | use Data::Dumper; |
21 | use Digest::MD5; |
22 | use Digest::MD5; |
22 | use Fcntl; |
23 | use Fcntl; |
23 | use IO::AIO 2.32 (); |
24 | use IO::AIO 2.32 (); |
24 | use YAML::Syck (); |
25 | use YAML::Syck (); |
25 | use Time::HiRes; |
26 | use Time::HiRes; |
|
|
27 | use Compress::LZF; |
|
|
28 | |
|
|
29 | Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later |
26 | |
30 | |
27 | use Event; $Event::Eval = 1; # no idea why this is required, but it is |
31 | use Event; $Event::Eval = 1; # no idea why this is required, but it is |
28 | |
32 | |
29 | sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload |
33 | sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload |
30 | |
34 | |
… | |
… | |
45 | our $LIBDIR = datadir . "/ext"; |
49 | our $LIBDIR = datadir . "/ext"; |
46 | |
50 | |
47 | our $TICK = MAX_TIME * 1e-6; |
51 | our $TICK = MAX_TIME * 1e-6; |
48 | our $TICK_WATCHER; |
52 | our $TICK_WATCHER; |
49 | our $AIO_POLL_WATCHER; |
53 | our $AIO_POLL_WATCHER; |
50 | our $WRITE_RUNTIME_WATCHER; |
54 | our $NEXT_RUNTIME_WRITE; # when should the runtime file be written |
51 | our $NEXT_TICK; |
55 | our $NEXT_TICK; |
52 | our $NOW; |
56 | our $NOW; |
|
|
57 | our $USE_FSYNC = 1; # use fsync to write maps - default off |
|
|
58 | |
|
|
59 | our $BDB_POLL_WATCHER; |
|
|
60 | our $DB_ENV; |
53 | |
61 | |
54 | our %CFG; |
62 | our %CFG; |
55 | |
63 | |
56 | our $UPTIME; $UPTIME ||= time; |
64 | our $UPTIME; $UPTIME ||= time; |
57 | our $RUNTIME; |
65 | our $RUNTIME; |
58 | |
66 | |
59 | our %PLAYER; # all users |
67 | our %PLAYER; # all users |
60 | our %MAP; # all maps |
68 | our %MAP; # all maps |
61 | our $LINK_MAP; # the special {link} map, which is always available |
69 | our $LINK_MAP; # the special {link} map, which is always available |
62 | our $RANDOM_MAPS = cf::localdir . "/random"; |
70 | our $RANDOM_MAPS = cf::localdir . "/random"; |
|
|
71 | our $BDB_ENV_DIR = cf::localdir . "/db"; |
63 | |
72 | |
64 | our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; |
73 | our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; |
65 | our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; |
74 | our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; |
66 | |
75 | |
67 | # used to convert map paths into valid unix filenames by replacing / by ∕ |
76 | # used to convert map paths into valid unix filenames by replacing / by ∕ |
… | |
… | |
80 | mkdir cf::localdir; |
89 | mkdir cf::localdir; |
81 | mkdir cf::localdir . "/" . cf::playerdir; |
90 | mkdir cf::localdir . "/" . cf::playerdir; |
82 | mkdir cf::localdir . "/" . cf::tmpdir; |
91 | mkdir cf::localdir . "/" . cf::tmpdir; |
83 | mkdir cf::localdir . "/" . cf::uniquedir; |
92 | mkdir cf::localdir . "/" . cf::uniquedir; |
84 | mkdir $RANDOM_MAPS; |
93 | mkdir $RANDOM_MAPS; |
|
|
94 | mkdir $BDB_ENV_DIR; |
85 | |
95 | |
86 | our $EMERGENCY_POSITION; |
96 | our $EMERGENCY_POSITION; |
87 | |
97 | |
88 | sub cf::map::normalise; |
98 | sub cf::map::normalise; |
89 | |
99 | |
… | |
… | |
263 | sub freeze_mainloop { |
273 | sub freeze_mainloop { |
264 | return unless $TICK_WATCHER->is_active; |
274 | return unless $TICK_WATCHER->is_active; |
265 | |
275 | |
266 | my $guard = Coro::guard { |
276 | my $guard = Coro::guard { |
267 | $TICK_WATCHER->start; |
277 | $TICK_WATCHER->start; |
268 | $WRITE_RUNTIME_WATCHER->start; |
|
|
269 | }; |
278 | }; |
270 | $WRITE_RUNTIME_WATCHER->stop; |
|
|
271 | $TICK_WATCHER->stop; |
279 | $TICK_WATCHER->stop; |
272 | $guard |
280 | $guard |
273 | } |
281 | } |
274 | |
282 | |
275 | =item cf::async { BLOCK } |
283 | =item cf::async { BLOCK } |
… | |
… | |
358 | # 60 allows for the watchdog to kill the server. |
366 | # 60 allows for the watchdog to kill the server. |
359 | |
367 | |
360 | (aio_write $fh, 0, (length $value), $value, 0) <= 0 |
368 | (aio_write $fh, 0, (length $value), $value, 0) <= 0 |
361 | and return; |
369 | and return; |
362 | |
370 | |
|
|
371 | # always fsync - this file is important |
363 | aio_fsync $fh |
372 | aio_fsync $fh |
364 | and return; |
373 | and return; |
365 | |
374 | |
366 | close $fh |
375 | close $fh |
367 | or return; |
376 | or return; |
… | |
… | |
752 | $filename, length $$rdata, scalar @$objs; |
761 | $filename, length $$rdata, scalar @$objs; |
753 | |
762 | |
754 | if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { |
763 | if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { |
755 | chmod SAVE_MODE, $fh; |
764 | chmod SAVE_MODE, $fh; |
756 | aio_write $fh, 0, (length $$rdata), $$rdata, 0; |
765 | aio_write $fh, 0, (length $$rdata), $$rdata, 0; |
757 | aio_fsync $fh; |
766 | aio_fsync $fh if $cf::USE_FSYNC; |
758 | close $fh; |
767 | close $fh; |
759 | |
768 | |
760 | if (@$objs) { |
769 | if (@$objs) { |
761 | if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { |
770 | if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { |
762 | chmod SAVE_MODE, $fh; |
771 | chmod SAVE_MODE, $fh; |
763 | my $data = Storable::nfreeze { version => 1, objs => $objs }; |
772 | my $data = Storable::nfreeze { version => 1, objs => $objs }; |
764 | aio_write $fh, 0, (length $data), $data, 0; |
773 | aio_write $fh, 0, (length $data), $data, 0; |
765 | aio_fsync $fh; |
774 | aio_fsync $fh if $cf::USE_FSYNC; |
766 | close $fh; |
775 | close $fh; |
767 | aio_rename "$filename.pst~", "$filename.pst"; |
776 | aio_rename "$filename.pst~", "$filename.pst"; |
768 | } |
777 | } |
769 | } else { |
778 | } else { |
770 | aio_unlink "$filename.pst"; |
779 | aio_unlink "$filename.pst"; |
… | |
… | |
1070 | =cut |
1079 | =cut |
1071 | |
1080 | |
1072 | sub maps($) { |
1081 | sub maps($) { |
1073 | my ($pl) = @_; |
1082 | my ($pl) = @_; |
1074 | |
1083 | |
|
|
1084 | $pl = ref $pl ? $pl->ob->name : $pl; |
|
|
1085 | |
1075 | my $files = aio_readdir playerdir $pl |
1086 | my $files = aio_readdir playerdir $pl |
1076 | or return; |
1087 | or return; |
1077 | |
1088 | |
1078 | my @paths; |
1089 | my @paths; |
1079 | |
1090 | |
1080 | for (@$files) { |
1091 | for (@$files) { |
1081 | utf8::decode $_; |
1092 | utf8::decode $_; |
1082 | next if /\.(?:pl|pst)$/; |
1093 | next if /\.(?:pl|pst)$/; |
1083 | next unless /^$PATH_SEP/o; |
1094 | next unless /^$PATH_SEP/o; |
1084 | |
1095 | |
1085 | push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_; |
1096 | push @paths, cf::map::normalise "~$pl/$_"; |
1086 | } |
1097 | } |
1087 | |
1098 | |
1088 | \@paths |
1099 | \@paths |
1089 | } |
1100 | } |
1090 | |
1101 | |
… | |
… | |
1251 | |
1262 | |
1252 | # the original (read-only) location |
1263 | # the original (read-only) location |
1253 | sub load_path { |
1264 | sub load_path { |
1254 | my ($self) = @_; |
1265 | my ($self) = @_; |
1255 | |
1266 | |
1256 | sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} |
1267 | sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} |
1257 | } |
1268 | } |
1258 | |
1269 | |
1259 | # the temporary/swap location |
1270 | # the temporary/swap location |
1260 | sub save_path { |
1271 | sub save_path { |
1261 | my ($self) = @_; |
1272 | my ($self) = @_; |
1262 | |
1273 | |
1263 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1274 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1264 | sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path |
1275 | sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path |
1265 | } |
1276 | } |
1266 | |
1277 | |
1267 | # the unique path, undef == no special unique path |
1278 | # the unique path, undef == no special unique path |
1268 | sub uniq_path { |
1279 | sub uniq_path { |
1269 | my ($self) = @_; |
1280 | my ($self) = @_; |
… | |
… | |
1291 | |
1302 | |
1292 | sub load_header_from($) { |
1303 | sub load_header_from($) { |
1293 | my ($self, $path) = @_; |
1304 | my ($self, $path) = @_; |
1294 | |
1305 | |
1295 | utf8::encode $path; |
1306 | utf8::encode $path; |
1296 | aio_open $path, O_RDONLY, 0 |
1307 | #aio_open $path, O_RDONLY, 0 |
1297 | or return; |
1308 | # or return; |
1298 | |
1309 | |
1299 | $self->_load_header ($path) |
1310 | $self->_load_header ($path) |
1300 | or return; |
1311 | or return; |
1301 | |
1312 | |
1302 | $self->{load_path} = $path; |
1313 | $self->{load_path} = $path; |
… | |
… | |
1582 | return if $self->players; |
1593 | return if $self->players; |
1583 | return if $self->isa ("ext::map_per_player");#d# |
1594 | return if $self->isa ("ext::map_per_player");#d# |
1584 | |
1595 | |
1585 | warn "resetting map ", $self->path;#d# |
1596 | warn "resetting map ", $self->path;#d# |
1586 | |
1597 | |
|
|
1598 | $self->in_memory (cf::MAP_SWAPPED); |
|
|
1599 | |
|
|
1600 | # need to save uniques path |
|
|
1601 | unless ($self->{deny_save}) { |
|
|
1602 | my $uniq = $self->uniq_path; utf8::encode $uniq; |
|
|
1603 | |
|
|
1604 | $self->_save_objects ($uniq, cf::IO_UNIQUES) |
|
|
1605 | if $uniq; |
|
|
1606 | } |
|
|
1607 | |
1587 | delete $cf::MAP{$self->path}; |
1608 | delete $cf::MAP{$self->path}; |
1588 | |
1609 | |
1589 | $self->in_memory (cf::MAP_SWAPPED); |
|
|
1590 | $self->clear; |
1610 | $self->clear; |
1591 | |
1611 | |
1592 | $_->clear_links_to ($self) for values %cf::MAP; |
1612 | $_->clear_links_to ($self) for values %cf::MAP; |
1593 | |
1613 | |
1594 | $self->unlink_save; |
1614 | $self->unlink_save; |
… | |
… | |
1784 | $map->load; |
1804 | $map->load; |
1785 | $map->load_diag; |
1805 | $map->load_diag; |
1786 | |
1806 | |
1787 | return unless $self->contr->active; |
1807 | return unless $self->contr->active; |
1788 | $self->activate_recursive; |
1808 | $self->activate_recursive; |
|
|
1809 | |
|
|
1810 | local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext |
1789 | $self->enter_map ($map, $x, $y); |
1811 | $self->enter_map ($map, $x, $y); |
1790 | } |
1812 | } |
1791 | |
1813 | |
1792 | cf::player->attach ( |
1814 | cf::player->attach ( |
1793 | on_logout => sub { |
1815 | on_logout => sub { |
… | |
… | |
1806 | # try to abort aborted map switching on player login :) |
1828 | # try to abort aborted map switching on player login :) |
1807 | # should happen only on crashes |
1829 | # should happen only on crashes |
1808 | if ($pl->ob->{_link_pos}) { |
1830 | if ($pl->ob->{_link_pos}) { |
1809 | $pl->ob->enter_link; |
1831 | $pl->ob->enter_link; |
1810 | (async { |
1832 | (async { |
1811 | # we need this sleep as the login has a concurrent enter_exit running |
|
|
1812 | # and this sleep increases chances of the player not ending up in scorn |
|
|
1813 | $pl->ob->reply (undef, |
1833 | $pl->ob->reply (undef, |
1814 | "There was an internal problem at your last logout, " |
1834 | "There was an internal problem at your last logout, " |
1815 | . "the server will try to bring you to your intended destination in a second.", |
1835 | . "the server will try to bring you to your intended destination in a second.", |
1816 | cf::NDI_RED); |
1836 | cf::NDI_RED); |
|
|
1837 | # we need this sleep as the login has a concurrent enter_exit running |
|
|
1838 | # and this sleep increases chances of the player not ending up in scorn |
1817 | Coro::Timer::sleep 1; |
1839 | Coro::Timer::sleep 1; |
1818 | $pl->ob->leave_link; |
1840 | $pl->ob->leave_link; |
1819 | })->prio (2); |
1841 | })->prio (2); |
1820 | } |
1842 | } |
1821 | }, |
1843 | }, |
… | |
… | |
1987 | # get handled first |
2009 | # get handled first |
1988 | my $queue = delete $ns->{query_queue} |
2010 | my $queue = delete $ns->{query_queue} |
1989 | or return; # be conservative, not sure how that can happen, but we saw a crash here |
2011 | or return; # be conservative, not sure how that can happen, but we saw a crash here |
1990 | |
2012 | |
1991 | (shift @$queue)->[1]->($msg); |
2013 | (shift @$queue)->[1]->($msg); |
|
|
2014 | return unless $ns->valid; # temporary(?) workaround for callback destroying socket |
1992 | |
2015 | |
1993 | push @{ $ns->{query_queue} }, @$queue; |
2016 | push @{ $ns->{query_queue} }, @$queue; |
1994 | |
2017 | |
1995 | if (@{ $ns->{query_queue} } == @$queue) { |
2018 | if (@{ $ns->{query_queue} } == @$queue) { |
1996 | if (@$queue) { |
2019 | if (@$queue) { |
… | |
… | |
2157 | The parameter C<$family> should best start with the name of the extension |
2180 | The parameter C<$family> should best start with the name of the extension |
2158 | using it, it should be unique. |
2181 | using it, it should be unique. |
2159 | |
2182 | |
2160 | =over 4 |
2183 | =over 4 |
2161 | |
2184 | |
2162 | =item $hashref = cf::db_get $family |
|
|
2163 | |
|
|
2164 | Return a hashref for use by the extension C<$family>, which can be |
|
|
2165 | modified. After modifications, you have to call C<cf::db_dirty> or |
|
|
2166 | C<cf::db_sync>. |
|
|
2167 | |
|
|
2168 | =item $value = cf::db_get $family => $key |
2185 | =item $value = cf::db_get $family => $key |
2169 | |
2186 | |
2170 | Returns a single value from the database |
2187 | Returns a single value from the database. |
2171 | |
|
|
2172 | =item cf::db_put $family => $hashref |
|
|
2173 | |
|
|
2174 | Stores the given family hashref into the database. Updates are delayed, if |
|
|
2175 | you want the data to be synced to disk immediately, use C<cf::db_sync>. |
|
|
2176 | |
2188 | |
2177 | =item cf::db_put $family => $key => $value |
2189 | =item cf::db_put $family => $key => $value |
2178 | |
2190 | |
2179 | Stores the given C<$value> in the family hash. Updates are delayed, if you |
2191 | Stores the given C<$value> in the family. |
2180 | want the data to be synced to disk immediately, use C<cf::db_sync>. |
|
|
2181 | |
|
|
2182 | =item cf::db_dirty |
|
|
2183 | |
|
|
2184 | Marks the database as dirty, to be updated at a later time. |
|
|
2185 | |
|
|
2186 | =item cf::db_sync |
|
|
2187 | |
|
|
2188 | Immediately write the database to disk I<if it is dirty>. |
|
|
2189 | |
2192 | |
2190 | =cut |
2193 | =cut |
2191 | |
2194 | |
2192 | our $DB; |
2195 | our $DB; |
2193 | |
2196 | |
2194 | { |
2197 | sub db_init { |
|
|
2198 | unless ($DB) { |
|
|
2199 | $DB = BDB::db_create $DB_ENV; |
|
|
2200 | |
|
|
2201 | cf::sync_job { |
|
|
2202 | eval { |
|
|
2203 | $DB->set_flags (BDB::CHKSUM); |
|
|
2204 | |
|
|
2205 | BDB::db_open $DB, undef, "db", undef, BDB::BTREE, |
|
|
2206 | BDB::CREATE | BDB::AUTO_COMMIT, 0666; |
|
|
2207 | cf::cleanup "db_open(db): $!" if $!; |
|
|
2208 | }; |
|
|
2209 | cf::cleanup "db_open(db): $@" if $@; |
|
|
2210 | }; |
|
|
2211 | |
2195 | my $path = cf::localdir . "/database.pst"; |
2212 | my $path = cf::localdir . "/database.pst"; |
|
|
2213 | if (stat $path) { |
|
|
2214 | cf::sync_job { |
|
|
2215 | my $pst = Storable::retrieve $path; |
2196 | |
2216 | |
2197 | sub db_load() { |
2217 | cf::db_put (board => data => $pst->{board}); |
2198 | $DB = stat $path ? Storable::retrieve $path : { }; |
2218 | cf::db_put (guildrules => data => $pst->{guildrules}); |
2199 | } |
2219 | cf::db_put (rent => balance => $pst->{rent}{balance}); |
|
|
2220 | BDB::db_env_txn_checkpoint $DB_ENV; |
2200 | |
2221 | |
2201 | my $pid; |
2222 | unlink $path; |
2202 | |
|
|
2203 | sub db_save() { |
|
|
2204 | waitpid $pid, 0 if $pid; |
|
|
2205 | if (0 == ($pid = fork)) { |
|
|
2206 | $DB->{_meta}{version} = 1; |
|
|
2207 | Storable::nstore $DB, "$path~"; |
|
|
2208 | rename "$path~", $path; |
|
|
2209 | cf::_exit 0 if defined $pid; |
|
|
2210 | } |
2223 | }; |
2211 | } |
|
|
2212 | |
|
|
2213 | my $dirty; |
|
|
2214 | |
|
|
2215 | sub db_sync() { |
|
|
2216 | db_save if $dirty; |
|
|
2217 | undef $dirty; |
|
|
2218 | } |
|
|
2219 | |
|
|
2220 | my $idle = Event->idle ( |
|
|
2221 | reentrant => 0, |
|
|
2222 | min => 10, |
|
|
2223 | max => 20, |
|
|
2224 | repeat => 0, |
|
|
2225 | data => WF_AUTOCANCEL, |
|
|
2226 | cb => \&db_sync, |
|
|
2227 | ); |
|
|
2228 | |
|
|
2229 | sub db_dirty() { |
|
|
2230 | $dirty = 1; |
|
|
2231 | $idle->start; |
|
|
2232 | } |
|
|
2233 | |
|
|
2234 | sub db_get($;$) { |
|
|
2235 | @_ >= 2 |
|
|
2236 | ? $DB->{$_[0]}{$_[1]} |
|
|
2237 | : ($DB->{$_[0]} ||= { }) |
|
|
2238 | } |
|
|
2239 | |
|
|
2240 | sub db_put($$;$) { |
|
|
2241 | if (@_ >= 3) { |
|
|
2242 | $DB->{$_[0]}{$_[1]} = $_[2]; |
|
|
2243 | } else { |
|
|
2244 | $DB->{$_[0]} = $_[1]; |
|
|
2245 | } |
|
|
2246 | db_dirty; |
|
|
2247 | } |
|
|
2248 | |
|
|
2249 | cf::global->attach ( |
|
|
2250 | prio => 10000, |
|
|
2251 | on_cleanup => sub { |
|
|
2252 | db_sync; |
|
|
2253 | }, |
2224 | } |
2254 | ); |
2225 | } |
|
|
2226 | } |
|
|
2227 | |
|
|
2228 | sub db_get($$) { |
|
|
2229 | my $key = "$_[0]/$_[1]"; |
|
|
2230 | |
|
|
2231 | cf::sync_job { |
|
|
2232 | BDB::db_get $DB, undef, $key, my $data; |
|
|
2233 | |
|
|
2234 | $! ? () |
|
|
2235 | : Compress::LZF::sthaw $data |
|
|
2236 | } |
|
|
2237 | } |
|
|
2238 | |
|
|
2239 | sub db_put($$$) { |
|
|
2240 | BDB::dbreq_pri 4; |
|
|
2241 | BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { }; |
2255 | } |
2242 | } |
2256 | |
2243 | |
2257 | ############################################################################# |
2244 | ############################################################################# |
2258 | # the server's main() |
2245 | # the server's init and main functions |
|
|
2246 | |
|
|
2247 | sub init_resources { |
|
|
2248 | load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir |
|
|
2249 | or die "unable to load regions file\n";#d# |
|
|
2250 | } |
2259 | |
2251 | |
2260 | sub cfg_load { |
2252 | sub cfg_load { |
2261 | open my $fh, "<:utf8", cf::confdir . "/config" |
2253 | open my $fh, "<:utf8", cf::confdir . "/config" |
2262 | or return; |
2254 | or return; |
2263 | |
2255 | |
… | |
… | |
2274 | $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" |
2266 | $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" |
2275 | and die "WARNING: m(un)lockall failed: $!\n"; |
2267 | and die "WARNING: m(un)lockall failed: $!\n"; |
2276 | }; |
2268 | }; |
2277 | warn $@ if $@; |
2269 | warn $@ if $@; |
2278 | } |
2270 | } |
|
|
2271 | } |
|
|
2272 | |
|
|
2273 | sub init { |
|
|
2274 | init_resources; |
2279 | } |
2275 | } |
2280 | |
2276 | |
2281 | sub main { |
2277 | sub main { |
2282 | # we must not ever block the main coroutine |
2278 | # we must not ever block the main coroutine |
2283 | local $Coro::idle = sub { |
2279 | local $Coro::idle = sub { |
… | |
… | |
2286 | Event::one_event; |
2282 | Event::one_event; |
2287 | })->prio (Coro::PRIO_MAX); |
2283 | })->prio (Coro::PRIO_MAX); |
2288 | }; |
2284 | }; |
2289 | |
2285 | |
2290 | cfg_load; |
2286 | cfg_load; |
2291 | db_load; |
2287 | db_init; |
2292 | load_extensions; |
2288 | load_extensions; |
2293 | |
2289 | |
2294 | $TICK_WATCHER->start; |
2290 | $TICK_WATCHER->start; |
2295 | Event::loop; |
2291 | Event::loop; |
2296 | } |
2292 | } |
… | |
… | |
2335 | my $map = $cf::MAP{$path} or next; |
2331 | my $map = $cf::MAP{$path} or next; |
2336 | $map->valid or next; |
2332 | $map->valid or next; |
2337 | $map->save; |
2333 | $map->save; |
2338 | } |
2334 | } |
2339 | warn "end emergency map save\n"; |
2335 | warn "end emergency map save\n"; |
|
|
2336 | |
|
|
2337 | warn "begin emergency database checkpoint\n"; |
|
|
2338 | BDB::db_env_txn_checkpoint $DB_ENV; |
|
|
2339 | warn "end emergency database checkpoint\n"; |
2340 | }; |
2340 | }; |
2341 | |
2341 | |
2342 | warn "leave emergency perl save\n"; |
2342 | warn "leave emergency perl save\n"; |
|
|
2343 | } |
|
|
2344 | |
|
|
2345 | sub post_cleanup { |
|
|
2346 | my ($make_core) = @_; |
|
|
2347 | |
|
|
2348 | warn Carp::longmess "post_cleanup backtrace" |
|
|
2349 | if $make_core; |
2343 | } |
2350 | } |
2344 | |
2351 | |
2345 | sub reload() { |
2352 | sub reload() { |
2346 | # can/must only be called in main |
2353 | # can/must only be called in main |
2347 | if ($Coro::current != $Coro::main) { |
2354 | if ($Coro::current != $Coro::main) { |
… | |
… | |
2349 | return; |
2356 | return; |
2350 | } |
2357 | } |
2351 | |
2358 | |
2352 | warn "reloading..."; |
2359 | warn "reloading..."; |
2353 | |
2360 | |
2354 | warn "cancelling server ticker"; |
2361 | warn "entering sync_job"; |
2355 | $TICK_WATCHER->cancel; |
|
|
2356 | |
2362 | |
|
|
2363 | cf::sync_job { |
|
|
2364 | cf::write_runtime; # external watchdog should not bark |
2357 | cf::emergency_save; |
2365 | cf::emergency_save; |
|
|
2366 | cf::write_runtime; # external watchdog should not bark |
2358 | |
2367 | |
2359 | eval { |
2368 | warn "syncing database to disk"; |
|
|
2369 | BDB::db_env_txn_checkpoint $DB_ENV; |
|
|
2370 | |
2360 | # if anything goes wrong in here, we should simply crash as we already saved |
2371 | # if anything goes wrong in here, we should simply crash as we already saved |
2361 | |
|
|
2362 | warn "syncing database to disk"; |
|
|
2363 | cf::db_sync; |
|
|
2364 | |
2372 | |
2365 | warn "cancelling all WF_AUTOCANCEL watchers"; |
2373 | warn "cancelling all WF_AUTOCANCEL watchers"; |
2366 | for (Event::all_watchers) { |
2374 | for (Event::all_watchers) { |
2367 | $_->cancel if $_->data & WF_AUTOCANCEL; |
2375 | $_->cancel if $_->data & WF_AUTOCANCEL; |
2368 | } |
2376 | } |
2369 | |
2377 | |
2370 | warn "flushing outstanding aio requests"; |
2378 | warn "flushing outstanding aio requests"; |
2371 | for (;;) { |
2379 | for (;;) { |
|
|
2380 | BDB::flush; |
2372 | IO::AIO::flush; |
2381 | IO::AIO::flush; |
2373 | Coro::cede; |
2382 | Coro::cede; |
2374 | last unless IO::AIO::nreqs; |
2383 | last unless IO::AIO::nreqs || BDB::nreqs; |
2375 | warn "iterate..."; |
2384 | warn "iterate..."; |
2376 | } |
2385 | } |
2377 | |
2386 | |
2378 | warn "cancelling all extension coros"; |
2387 | warn "cancelling all extension coros"; |
2379 | $_->cancel for values %EXT_CORO; |
2388 | $_->cancel for values %EXT_CORO; |
… | |
… | |
2434 | require cf; |
2443 | require cf; |
2435 | cf::_connect_to_perl; # nominally unnecessary, but cannot hurt |
2444 | cf::_connect_to_perl; # nominally unnecessary, but cannot hurt |
2436 | |
2445 | |
2437 | warn "loading config and database again"; |
2446 | warn "loading config and database again"; |
2438 | cf::cfg_load; |
2447 | cf::cfg_load; |
2439 | cf::db_load; |
|
|
2440 | |
2448 | |
2441 | warn "loading extensions"; |
2449 | warn "loading extensions"; |
2442 | cf::load_extensions; |
2450 | cf::load_extensions; |
2443 | |
2451 | |
2444 | warn "reattaching attachments to objects/players"; |
2452 | warn "reattaching attachments to objects/players"; |
2445 | _global_reattach; |
2453 | _global_reattach; |
2446 | warn "reattaching attachments to maps"; |
2454 | warn "reattaching attachments to maps"; |
2447 | reattach $_ for values %MAP; |
2455 | reattach $_ for values %MAP; |
2448 | |
2456 | |
2449 | warn "restarting server ticker"; |
2457 | warn "loading reloadable resources"; |
|
|
2458 | init_resources; |
2450 | |
2459 | |
2451 | $TICK_WATCHER->start; |
2460 | warn "leaving sync_job"; |
2452 | }; |
|
|
2453 | |
2461 | |
2454 | if ($@) { |
2462 | 1 |
|
|
2463 | } or do { |
2455 | warn $@; |
2464 | warn $@; |
2456 | warn "error while reloading, exiting."; |
2465 | warn "error while reloading, exiting."; |
2457 | exit 1; |
2466 | exit 1; |
2458 | } |
2467 | }; |
2459 | |
2468 | |
2460 | warn "reloaded"; |
2469 | warn "reloaded"; |
2461 | }; |
2470 | }; |
2462 | |
2471 | |
2463 | our $RELOAD_WATCHER; # used only during reload |
2472 | our $RELOAD_WATCHER; # used only during reload |
… | |
… | |
2504 | |
2513 | |
2505 | cf::server_tick; # one server iteration |
2514 | cf::server_tick; # one server iteration |
2506 | $RUNTIME += $TICK; |
2515 | $RUNTIME += $TICK; |
2507 | $NEXT_TICK += $TICK; |
2516 | $NEXT_TICK += $TICK; |
2508 | |
2517 | |
|
|
2518 | if ($NOW >= $NEXT_RUNTIME_WRITE) { |
|
|
2519 | $NEXT_RUNTIME_WRITE = $NOW + 10; |
|
|
2520 | Coro::async_pool { |
|
|
2521 | write_runtime |
|
|
2522 | or warn "ERROR: unable to write runtime file: $!"; |
|
|
2523 | }; |
|
|
2524 | } |
|
|
2525 | |
|
|
2526 | |
2509 | $WAIT_FOR_TICK->broadcast; |
2527 | $WAIT_FOR_TICK->broadcast; |
2510 | $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; |
2528 | $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; |
2511 | |
2529 | |
2512 | Event::sweep; |
|
|
2513 | Coro::cede_notself; |
|
|
2514 | |
|
|
2515 | # my $AFTER = Event::time; |
2530 | # my $AFTER = Event::time; |
2516 | # warn $AFTER - $NOW;#d# |
2531 | # warn $AFTER - $NOW;#d# |
2517 | |
2532 | |
2518 | # if we are delayed by four ticks or more, skip them all |
2533 | # if we are delayed by four ticks or more, skip them all |
2519 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
2534 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
… | |
… | |
2521 | $TICK_WATCHER->at ($NEXT_TICK); |
2536 | $TICK_WATCHER->at ($NEXT_TICK); |
2522 | $TICK_WATCHER->start; |
2537 | $TICK_WATCHER->start; |
2523 | }, |
2538 | }, |
2524 | ); |
2539 | ); |
2525 | |
2540 | |
|
|
2541 | { |
|
|
2542 | BDB::max_poll_time $TICK * 0.1; |
|
|
2543 | $BDB_POLL_WATCHER = Event->io ( |
|
|
2544 | reentrant => 0, |
|
|
2545 | fd => BDB::poll_fileno, |
|
|
2546 | poll => 'r', |
|
|
2547 | prio => 0, |
|
|
2548 | data => WF_AUTOCANCEL, |
|
|
2549 | cb => \&BDB::poll_cb, |
|
|
2550 | ); |
|
|
2551 | BDB::min_parallel 8; |
|
|
2552 | |
|
|
2553 | BDB::set_sync_prepare { |
|
|
2554 | my $status; |
|
|
2555 | my $current = $Coro::current; |
|
|
2556 | ( |
|
|
2557 | sub { |
|
|
2558 | $status = $!; |
|
|
2559 | $current->ready; undef $current; |
|
|
2560 | }, |
|
|
2561 | sub { |
|
|
2562 | Coro::schedule while defined $current; |
|
|
2563 | $! = $status; |
|
|
2564 | }, |
|
|
2565 | ) |
|
|
2566 | }; |
|
|
2567 | |
|
|
2568 | unless ($DB_ENV) { |
|
|
2569 | $DB_ENV = BDB::db_env_create; |
|
|
2570 | |
|
|
2571 | cf::sync_job { |
|
|
2572 | eval { |
|
|
2573 | BDB::db_env_open |
|
|
2574 | $DB_ENV, |
|
|
2575 | $BDB_ENV_DIR, |
|
|
2576 | BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN |
|
|
2577 | | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, |
|
|
2578 | 0666; |
|
|
2579 | |
|
|
2580 | cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; |
|
|
2581 | |
|
|
2582 | $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); |
|
|
2583 | $DB_ENV->set_lk_detect; |
|
|
2584 | }; |
|
|
2585 | |
|
|
2586 | cf::cleanup "db_env_open(db): $@" if $@; |
|
|
2587 | }; |
|
|
2588 | } |
|
|
2589 | } |
|
|
2590 | |
|
|
2591 | { |
|
|
2592 | IO::AIO::min_parallel 8; |
|
|
2593 | |
|
|
2594 | undef $Coro::AIO::WATCHER; |
2526 | IO::AIO::max_poll_time $TICK * 0.1; |
2595 | IO::AIO::max_poll_time $TICK * 0.1; |
2527 | |
|
|
2528 | undef $Coro::AIO::WATCHER; |
|
|
2529 | $AIO_POLL_WATCHER = Event->io ( |
2596 | $AIO_POLL_WATCHER = Event->io ( |
2530 | reentrant => 0, |
2597 | reentrant => 0, |
|
|
2598 | data => WF_AUTOCANCEL, |
2531 | fd => IO::AIO::poll_fileno, |
2599 | fd => IO::AIO::poll_fileno, |
2532 | poll => 'r', |
2600 | poll => 'r', |
2533 | prio => 6, |
2601 | prio => 6, |
2534 | data => WF_AUTOCANCEL, |
|
|
2535 | cb => \&IO::AIO::poll_cb, |
2602 | cb => \&IO::AIO::poll_cb, |
2536 | ); |
2603 | ); |
2537 | |
2604 | } |
2538 | $WRITE_RUNTIME_WATCHER = Event->timer ( |
|
|
2539 | reentrant => 0, |
|
|
2540 | data => WF_AUTOCANCEL, |
|
|
2541 | after => 1, |
|
|
2542 | interval => 10, |
|
|
2543 | prio => 6, # keep it lowest so it acts like a watchdog |
|
|
2544 | cb => Coro::unblock_sub { |
|
|
2545 | write_runtime |
|
|
2546 | or warn "ERROR: unable to write runtime file: $!"; |
|
|
2547 | }, |
|
|
2548 | ); |
|
|
2549 | |
2605 | |
2550 | END { cf::emergency_save } |
2606 | END { cf::emergency_save } |
2551 | |
2607 | |
2552 | 1 |
2608 | 1 |
2553 | |
2609 | |