… | |
… | |
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 } |
… | |
… | |
346 | |
354 | |
347 | $coro |
355 | $coro |
348 | } |
356 | } |
349 | |
357 | |
350 | sub write_runtime { |
358 | sub write_runtime { |
|
|
359 | my $guard = cf::lock_acquire "write_runtime"; |
|
|
360 | |
351 | my $runtime = cf::localdir . "/runtime"; |
361 | my $runtime = cf::localdir . "/runtime"; |
352 | |
362 | |
353 | my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 |
363 | my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 |
354 | or return; |
364 | or return; |
355 | |
365 | |
… | |
… | |
358 | # 60 allows for the watchdog to kill the server. |
368 | # 60 allows for the watchdog to kill the server. |
359 | |
369 | |
360 | (aio_write $fh, 0, (length $value), $value, 0) <= 0 |
370 | (aio_write $fh, 0, (length $value), $value, 0) <= 0 |
361 | and return; |
371 | and return; |
362 | |
372 | |
|
|
373 | # always fsync - this file is important |
363 | aio_fsync $fh |
374 | aio_fsync $fh |
364 | and return; |
375 | and return; |
365 | |
376 | |
366 | close $fh |
377 | close $fh |
367 | or return; |
378 | or return; |
… | |
… | |
752 | $filename, length $$rdata, scalar @$objs; |
763 | $filename, length $$rdata, scalar @$objs; |
753 | |
764 | |
754 | if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { |
765 | if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { |
755 | chmod SAVE_MODE, $fh; |
766 | chmod SAVE_MODE, $fh; |
756 | aio_write $fh, 0, (length $$rdata), $$rdata, 0; |
767 | aio_write $fh, 0, (length $$rdata), $$rdata, 0; |
757 | aio_fsync $fh; |
768 | aio_fsync $fh if $cf::USE_FSYNC; |
758 | close $fh; |
769 | close $fh; |
759 | |
770 | |
760 | if (@$objs) { |
771 | if (@$objs) { |
761 | if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { |
772 | if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { |
762 | chmod SAVE_MODE, $fh; |
773 | chmod SAVE_MODE, $fh; |
763 | my $data = Storable::nfreeze { version => 1, objs => $objs }; |
774 | my $data = Storable::nfreeze { version => 1, objs => $objs }; |
764 | aio_write $fh, 0, (length $data), $data, 0; |
775 | aio_write $fh, 0, (length $data), $data, 0; |
765 | aio_fsync $fh; |
776 | aio_fsync $fh if $cf::USE_FSYNC; |
766 | close $fh; |
777 | close $fh; |
767 | aio_rename "$filename.pst~", "$filename.pst"; |
778 | aio_rename "$filename.pst~", "$filename.pst"; |
768 | } |
779 | } |
769 | } else { |
780 | } else { |
770 | aio_unlink "$filename.pst"; |
781 | aio_unlink "$filename.pst"; |
… | |
… | |
776 | } |
787 | } |
777 | } else { |
788 | } else { |
778 | aio_unlink $filename; |
789 | aio_unlink $filename; |
779 | aio_unlink "$filename.pst"; |
790 | aio_unlink "$filename.pst"; |
780 | } |
791 | } |
781 | |
|
|
782 | #d##TODO# nuke non .map-files if exist |
|
|
783 | if ($filename =~ s/\.map$//) { |
|
|
784 | aio_unlink $filename; |
|
|
785 | aio_unlink "$filename.pst"; |
|
|
786 | } |
|
|
787 | } |
792 | } |
788 | } |
793 | } |
789 | |
794 | |
790 | sub object_freezer_as_string { |
795 | sub object_freezer_as_string { |
791 | my ($rdata, $objs) = @_; |
796 | my ($rdata, $objs) = @_; |
… | |
… | |
797 | |
802 | |
798 | sub object_thawer_load { |
803 | sub object_thawer_load { |
799 | my ($filename) = @_; |
804 | my ($filename) = @_; |
800 | |
805 | |
801 | my ($data, $av); |
806 | my ($data, $av); |
802 | |
|
|
803 | #d#TODO remove .map if file does not exist |
|
|
804 | aio_stat $filename and $filename =~ s/\.map$//; |
|
|
805 | |
807 | |
806 | (aio_load $filename, $data) >= 0 |
808 | (aio_load $filename, $data) >= 0 |
807 | or return; |
809 | or return; |
808 | |
810 | |
809 | unless (aio_stat "$filename.pst") { |
811 | unless (aio_stat "$filename.pst") { |
… | |
… | |
1296 | my ($self) = @_; |
1298 | my ($self) = @_; |
1297 | |
1299 | |
1298 | utf8::encode (my $save = $self->save_path); |
1300 | utf8::encode (my $save = $self->save_path); |
1299 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; |
1301 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; |
1300 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; |
1302 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; |
1301 | |
|
|
1302 | #d#TODO remove .map and also nuke |
|
|
1303 | $save =~ s/\.map// or return;#d# |
|
|
1304 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d# |
|
|
1305 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d# |
|
|
1306 | } |
1303 | } |
1307 | |
1304 | |
1308 | sub load_header_from($) { |
1305 | sub load_header_from($) { |
1309 | my ($self, $path) = @_; |
1306 | my ($self, $path) = @_; |
1310 | |
1307 | |
… | |
… | |
1598 | return if $self->players; |
1595 | return if $self->players; |
1599 | return if $self->isa ("ext::map_per_player");#d# |
1596 | return if $self->isa ("ext::map_per_player");#d# |
1600 | |
1597 | |
1601 | warn "resetting map ", $self->path;#d# |
1598 | warn "resetting map ", $self->path;#d# |
1602 | |
1599 | |
|
|
1600 | $self->in_memory (cf::MAP_SWAPPED); |
|
|
1601 | |
|
|
1602 | # need to save uniques path |
|
|
1603 | unless ($self->{deny_save}) { |
|
|
1604 | my $uniq = $self->uniq_path; utf8::encode $uniq; |
|
|
1605 | |
|
|
1606 | $self->_save_objects ($uniq, cf::IO_UNIQUES) |
|
|
1607 | if $uniq; |
|
|
1608 | } |
|
|
1609 | |
1603 | delete $cf::MAP{$self->path}; |
1610 | delete $cf::MAP{$self->path}; |
1604 | |
1611 | |
1605 | $self->in_memory (cf::MAP_SWAPPED); |
|
|
1606 | $self->clear; |
1612 | $self->clear; |
1607 | |
1613 | |
1608 | $_->clear_links_to ($self) for values %cf::MAP; |
1614 | $_->clear_links_to ($self) for values %cf::MAP; |
1609 | |
1615 | |
1610 | $self->unlink_save; |
1616 | $self->unlink_save; |
… | |
… | |
1800 | $map->load; |
1806 | $map->load; |
1801 | $map->load_diag; |
1807 | $map->load_diag; |
1802 | |
1808 | |
1803 | return unless $self->contr->active; |
1809 | return unless $self->contr->active; |
1804 | $self->activate_recursive; |
1810 | $self->activate_recursive; |
|
|
1811 | |
|
|
1812 | local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext |
1805 | $self->enter_map ($map, $x, $y); |
1813 | $self->enter_map ($map, $x, $y); |
1806 | } |
1814 | } |
1807 | |
1815 | |
1808 | cf::player->attach ( |
1816 | cf::player->attach ( |
1809 | on_logout => sub { |
1817 | on_logout => sub { |
… | |
… | |
1822 | # try to abort aborted map switching on player login :) |
1830 | # try to abort aborted map switching on player login :) |
1823 | # should happen only on crashes |
1831 | # should happen only on crashes |
1824 | if ($pl->ob->{_link_pos}) { |
1832 | if ($pl->ob->{_link_pos}) { |
1825 | $pl->ob->enter_link; |
1833 | $pl->ob->enter_link; |
1826 | (async { |
1834 | (async { |
1827 | # we need this sleep as the login has a concurrent enter_exit running |
|
|
1828 | # and this sleep increases chances of the player not ending up in scorn |
|
|
1829 | $pl->ob->reply (undef, |
1835 | $pl->ob->reply (undef, |
1830 | "There was an internal problem at your last logout, " |
1836 | "There was an internal problem at your last logout, " |
1831 | . "the server will try to bring you to your intended destination in a second.", |
1837 | . "the server will try to bring you to your intended destination in a second.", |
1832 | cf::NDI_RED); |
1838 | cf::NDI_RED); |
|
|
1839 | # we need this sleep as the login has a concurrent enter_exit running |
|
|
1840 | # and this sleep increases chances of the player not ending up in scorn |
1833 | Coro::Timer::sleep 1; |
1841 | Coro::Timer::sleep 1; |
1834 | $pl->ob->leave_link; |
1842 | $pl->ob->leave_link; |
1835 | })->prio (2); |
1843 | })->prio (2); |
1836 | } |
1844 | } |
1837 | }, |
1845 | }, |
… | |
… | |
2174 | The parameter C<$family> should best start with the name of the extension |
2182 | The parameter C<$family> should best start with the name of the extension |
2175 | using it, it should be unique. |
2183 | using it, it should be unique. |
2176 | |
2184 | |
2177 | =over 4 |
2185 | =over 4 |
2178 | |
2186 | |
2179 | =item $hashref = cf::db_get $family |
|
|
2180 | |
|
|
2181 | Return a hashref for use by the extension C<$family>, which can be |
|
|
2182 | modified. After modifications, you have to call C<cf::db_dirty> or |
|
|
2183 | C<cf::db_sync>. |
|
|
2184 | |
|
|
2185 | =item $value = cf::db_get $family => $key |
2187 | =item $value = cf::db_get $family => $key |
2186 | |
2188 | |
2187 | Returns a single value from the database |
2189 | Returns a single value from the database. |
2188 | |
|
|
2189 | =item cf::db_put $family => $hashref |
|
|
2190 | |
|
|
2191 | Stores the given family hashref into the database. Updates are delayed, if |
|
|
2192 | you want the data to be synced to disk immediately, use C<cf::db_sync>. |
|
|
2193 | |
2190 | |
2194 | =item cf::db_put $family => $key => $value |
2191 | =item cf::db_put $family => $key => $value |
2195 | |
2192 | |
2196 | Stores the given C<$value> in the family hash. Updates are delayed, if you |
2193 | Stores the given C<$value> in the family. |
2197 | want the data to be synced to disk immediately, use C<cf::db_sync>. |
|
|
2198 | |
|
|
2199 | =item cf::db_dirty |
|
|
2200 | |
|
|
2201 | Marks the database as dirty, to be updated at a later time. |
|
|
2202 | |
|
|
2203 | =item cf::db_sync |
|
|
2204 | |
|
|
2205 | Immediately write the database to disk I<if it is dirty>. |
|
|
2206 | |
2194 | |
2207 | =cut |
2195 | =cut |
2208 | |
2196 | |
2209 | our $DB; |
2197 | our $DB; |
2210 | |
2198 | |
2211 | { |
2199 | sub db_init { |
|
|
2200 | unless ($DB) { |
|
|
2201 | $DB = BDB::db_create $DB_ENV; |
|
|
2202 | |
|
|
2203 | cf::sync_job { |
|
|
2204 | eval { |
|
|
2205 | $DB->set_flags (BDB::CHKSUM); |
|
|
2206 | |
|
|
2207 | BDB::db_open $DB, undef, "db", undef, BDB::BTREE, |
|
|
2208 | BDB::CREATE | BDB::AUTO_COMMIT, 0666; |
|
|
2209 | cf::cleanup "db_open(db): $!" if $!; |
|
|
2210 | }; |
|
|
2211 | cf::cleanup "db_open(db): $@" if $@; |
|
|
2212 | }; |
|
|
2213 | |
2212 | my $path = cf::localdir . "/database.pst"; |
2214 | my $path = cf::localdir . "/database.pst"; |
|
|
2215 | if (stat $path) { |
|
|
2216 | cf::sync_job { |
|
|
2217 | my $pst = Storable::retrieve $path; |
2213 | |
2218 | |
2214 | sub db_load() { |
2219 | cf::db_put (board => data => $pst->{board}); |
2215 | $DB = stat $path ? Storable::retrieve $path : { }; |
2220 | cf::db_put (guildrules => data => $pst->{guildrules}); |
2216 | } |
2221 | cf::db_put (rent => balance => $pst->{rent}{balance}); |
|
|
2222 | BDB::db_env_txn_checkpoint $DB_ENV; |
2217 | |
2223 | |
2218 | my $pid; |
2224 | unlink $path; |
2219 | |
|
|
2220 | sub db_save() { |
|
|
2221 | waitpid $pid, 0 if $pid; |
|
|
2222 | if (0 == ($pid = fork)) { |
|
|
2223 | $DB->{_meta}{version} = 1; |
|
|
2224 | Storable::nstore $DB, "$path~"; |
|
|
2225 | rename "$path~", $path; |
|
|
2226 | cf::_exit 0 if defined $pid; |
|
|
2227 | } |
2225 | }; |
2228 | } |
|
|
2229 | |
|
|
2230 | my $dirty; |
|
|
2231 | |
|
|
2232 | sub db_sync() { |
|
|
2233 | db_save if $dirty; |
|
|
2234 | undef $dirty; |
|
|
2235 | } |
|
|
2236 | |
|
|
2237 | my $idle = Event->idle ( |
|
|
2238 | reentrant => 0, |
|
|
2239 | min => 10, |
|
|
2240 | max => 20, |
|
|
2241 | repeat => 0, |
|
|
2242 | data => WF_AUTOCANCEL, |
|
|
2243 | cb => \&db_sync, |
|
|
2244 | ); |
|
|
2245 | |
|
|
2246 | sub db_dirty() { |
|
|
2247 | $dirty = 1; |
|
|
2248 | $idle->start; |
|
|
2249 | } |
|
|
2250 | |
|
|
2251 | sub db_get($;$) { |
|
|
2252 | @_ >= 2 |
|
|
2253 | ? $DB->{$_[0]}{$_[1]} |
|
|
2254 | : ($DB->{$_[0]} ||= { }) |
|
|
2255 | } |
|
|
2256 | |
|
|
2257 | sub db_put($$;$) { |
|
|
2258 | if (@_ >= 3) { |
|
|
2259 | $DB->{$_[0]}{$_[1]} = $_[2]; |
|
|
2260 | } else { |
|
|
2261 | $DB->{$_[0]} = $_[1]; |
|
|
2262 | } |
|
|
2263 | db_dirty; |
|
|
2264 | } |
|
|
2265 | |
|
|
2266 | cf::global->attach ( |
|
|
2267 | prio => 10000, |
|
|
2268 | on_cleanup => sub { |
|
|
2269 | db_sync; |
|
|
2270 | }, |
2226 | } |
2271 | ); |
2227 | } |
|
|
2228 | } |
|
|
2229 | |
|
|
2230 | sub db_get($$) { |
|
|
2231 | my $key = "$_[0]/$_[1]"; |
|
|
2232 | |
|
|
2233 | cf::sync_job { |
|
|
2234 | BDB::db_get $DB, undef, $key, my $data; |
|
|
2235 | |
|
|
2236 | $! ? () |
|
|
2237 | : Compress::LZF::sthaw $data |
|
|
2238 | } |
|
|
2239 | } |
|
|
2240 | |
|
|
2241 | sub db_put($$$) { |
|
|
2242 | BDB::dbreq_pri 4; |
|
|
2243 | BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { }; |
2272 | } |
2244 | } |
2273 | |
2245 | |
2274 | ############################################################################# |
2246 | ############################################################################# |
2275 | # the server's init and main functions |
2247 | # the server's init and main functions |
2276 | |
2248 | |
2277 | sub load_resources { |
2249 | sub init_resources { |
2278 | load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir |
2250 | load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir |
2279 | or die "unable to load regions file\n";#d# |
2251 | or die "unable to load regions file\n";#d# |
2280 | } |
2252 | } |
2281 | |
2253 | |
2282 | sub cfg_load { |
2254 | sub cfg_load { |
2283 | open my $fh, "<:utf8", cf::confdir . "/config" |
2255 | open my $fh, "<:utf8", cf::confdir . "/config" |
… | |
… | |
2299 | warn $@ if $@; |
2271 | warn $@ if $@; |
2300 | } |
2272 | } |
2301 | } |
2273 | } |
2302 | |
2274 | |
2303 | sub init { |
2275 | sub init { |
2304 | load_resources; |
2276 | init_resources; |
2305 | } |
2277 | } |
2306 | |
2278 | |
2307 | sub main { |
2279 | sub main { |
2308 | # we must not ever block the main coroutine |
2280 | # we must not ever block the main coroutine |
2309 | local $Coro::idle = sub { |
2281 | local $Coro::idle = sub { |
… | |
… | |
2312 | Event::one_event; |
2284 | Event::one_event; |
2313 | })->prio (Coro::PRIO_MAX); |
2285 | })->prio (Coro::PRIO_MAX); |
2314 | }; |
2286 | }; |
2315 | |
2287 | |
2316 | cfg_load; |
2288 | cfg_load; |
2317 | db_load; |
2289 | db_init; |
2318 | load_extensions; |
2290 | load_extensions; |
2319 | |
2291 | |
2320 | $TICK_WATCHER->start; |
2292 | $TICK_WATCHER->start; |
2321 | Event::loop; |
2293 | Event::loop; |
2322 | } |
2294 | } |
… | |
… | |
2361 | my $map = $cf::MAP{$path} or next; |
2333 | my $map = $cf::MAP{$path} or next; |
2362 | $map->valid or next; |
2334 | $map->valid or next; |
2363 | $map->save; |
2335 | $map->save; |
2364 | } |
2336 | } |
2365 | warn "end emergency map save\n"; |
2337 | warn "end emergency map save\n"; |
|
|
2338 | |
|
|
2339 | warn "begin emergency database checkpoint\n"; |
|
|
2340 | BDB::db_env_txn_checkpoint $DB_ENV; |
|
|
2341 | warn "end emergency database checkpoint\n"; |
2366 | }; |
2342 | }; |
2367 | |
2343 | |
2368 | warn "leave emergency perl save\n"; |
2344 | warn "leave emergency perl save\n"; |
|
|
2345 | } |
|
|
2346 | |
|
|
2347 | sub post_cleanup { |
|
|
2348 | my ($make_core) = @_; |
|
|
2349 | |
|
|
2350 | warn Carp::longmess "post_cleanup backtrace" |
|
|
2351 | if $make_core; |
2369 | } |
2352 | } |
2370 | |
2353 | |
2371 | sub reload() { |
2354 | sub reload() { |
2372 | # can/must only be called in main |
2355 | # can/must only be called in main |
2373 | if ($Coro::current != $Coro::main) { |
2356 | if ($Coro::current != $Coro::main) { |
… | |
… | |
2375 | return; |
2358 | return; |
2376 | } |
2359 | } |
2377 | |
2360 | |
2378 | warn "reloading..."; |
2361 | warn "reloading..."; |
2379 | |
2362 | |
2380 | warn "cancelling server ticker"; |
2363 | warn "entering sync_job"; |
2381 | $TICK_WATCHER->cancel; |
|
|
2382 | |
2364 | |
|
|
2365 | cf::sync_job { |
|
|
2366 | cf::write_runtime; # external watchdog should not bark |
2383 | cf::emergency_save; |
2367 | cf::emergency_save; |
|
|
2368 | cf::write_runtime; # external watchdog should not bark |
2384 | |
2369 | |
2385 | eval { |
2370 | warn "syncing database to disk"; |
|
|
2371 | BDB::db_env_txn_checkpoint $DB_ENV; |
|
|
2372 | |
2386 | # if anything goes wrong in here, we should simply crash as we already saved |
2373 | # if anything goes wrong in here, we should simply crash as we already saved |
2387 | |
|
|
2388 | warn "syncing database to disk"; |
|
|
2389 | cf::db_sync; |
|
|
2390 | |
2374 | |
2391 | warn "cancelling all WF_AUTOCANCEL watchers"; |
2375 | warn "cancelling all WF_AUTOCANCEL watchers"; |
2392 | for (Event::all_watchers) { |
2376 | for (Event::all_watchers) { |
2393 | $_->cancel if $_->data & WF_AUTOCANCEL; |
2377 | $_->cancel if $_->data & WF_AUTOCANCEL; |
2394 | } |
2378 | } |
2395 | |
2379 | |
2396 | warn "flushing outstanding aio requests"; |
2380 | warn "flushing outstanding aio requests"; |
2397 | for (;;) { |
2381 | for (;;) { |
|
|
2382 | BDB::flush; |
2398 | IO::AIO::flush; |
2383 | IO::AIO::flush; |
2399 | Coro::cede; |
2384 | Coro::cede; |
2400 | last unless IO::AIO::nreqs; |
2385 | last unless IO::AIO::nreqs || BDB::nreqs; |
2401 | warn "iterate..."; |
2386 | warn "iterate..."; |
2402 | } |
2387 | } |
2403 | |
2388 | |
2404 | warn "cancelling all extension coros"; |
2389 | warn "cancelling all extension coros"; |
2405 | $_->cancel for values %EXT_CORO; |
2390 | $_->cancel for values %EXT_CORO; |
… | |
… | |
2460 | require cf; |
2445 | require cf; |
2461 | cf::_connect_to_perl; # nominally unnecessary, but cannot hurt |
2446 | cf::_connect_to_perl; # nominally unnecessary, but cannot hurt |
2462 | |
2447 | |
2463 | warn "loading config and database again"; |
2448 | warn "loading config and database again"; |
2464 | cf::cfg_load; |
2449 | cf::cfg_load; |
2465 | cf::db_load; |
|
|
2466 | |
2450 | |
2467 | warn "loading extensions"; |
2451 | warn "loading extensions"; |
2468 | cf::load_extensions; |
2452 | cf::load_extensions; |
2469 | |
2453 | |
2470 | warn "reattaching attachments to objects/players"; |
2454 | warn "reattaching attachments to objects/players"; |
2471 | _global_reattach; |
2455 | _global_reattach; |
2472 | warn "reattaching attachments to maps"; |
2456 | warn "reattaching attachments to maps"; |
2473 | reattach $_ for values %MAP; |
2457 | reattach $_ for values %MAP; |
2474 | |
2458 | |
2475 | warn "loading reloadable resources"; |
2459 | warn "loading reloadable resources"; |
2476 | load_resources; |
2460 | init_resources; |
2477 | |
2461 | |
2478 | warn "restarting server ticker"; |
2462 | warn "leaving sync_job"; |
2479 | |
2463 | |
2480 | $TICK_WATCHER->start; |
2464 | 1 |
2481 | }; |
2465 | } or do { |
2482 | |
|
|
2483 | if ($@) { |
|
|
2484 | warn $@; |
2466 | warn $@; |
2485 | warn "error while reloading, exiting."; |
2467 | warn "error while reloading, exiting."; |
2486 | exit 1; |
2468 | exit 1; |
2487 | } |
2469 | }; |
2488 | |
2470 | |
2489 | warn "reloaded"; |
2471 | warn "reloaded"; |
2490 | }; |
2472 | }; |
2491 | |
2473 | |
2492 | our $RELOAD_WATCHER; # used only during reload |
2474 | our $RELOAD_WATCHER; # used only during reload |
… | |
… | |
2533 | |
2515 | |
2534 | cf::server_tick; # one server iteration |
2516 | cf::server_tick; # one server iteration |
2535 | $RUNTIME += $TICK; |
2517 | $RUNTIME += $TICK; |
2536 | $NEXT_TICK += $TICK; |
2518 | $NEXT_TICK += $TICK; |
2537 | |
2519 | |
|
|
2520 | if ($NOW >= $NEXT_RUNTIME_WRITE) { |
|
|
2521 | $NEXT_RUNTIME_WRITE = $NOW + 10; |
|
|
2522 | Coro::async_pool { |
|
|
2523 | write_runtime |
|
|
2524 | or warn "ERROR: unable to write runtime file: $!"; |
|
|
2525 | }; |
|
|
2526 | } |
|
|
2527 | |
2538 | $WAIT_FOR_TICK->broadcast; |
2528 | $WAIT_FOR_TICK->broadcast; |
2539 | $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; |
2529 | $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; |
2540 | |
2530 | |
2541 | Event::sweep; |
|
|
2542 | Coro::cede_notself; |
|
|
2543 | |
|
|
2544 | # my $AFTER = Event::time; |
2531 | # my $AFTER = Event::time; |
2545 | # warn $AFTER - $NOW;#d# |
2532 | # warn $AFTER - $NOW;#d# |
2546 | |
2533 | |
2547 | # if we are delayed by four ticks or more, skip them all |
2534 | # if we are delayed by four ticks or more, skip them all |
2548 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
2535 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
… | |
… | |
2550 | $TICK_WATCHER->at ($NEXT_TICK); |
2537 | $TICK_WATCHER->at ($NEXT_TICK); |
2551 | $TICK_WATCHER->start; |
2538 | $TICK_WATCHER->start; |
2552 | }, |
2539 | }, |
2553 | ); |
2540 | ); |
2554 | |
2541 | |
|
|
2542 | { |
|
|
2543 | BDB::max_poll_time $TICK * 0.1; |
|
|
2544 | $BDB_POLL_WATCHER = Event->io ( |
|
|
2545 | reentrant => 0, |
|
|
2546 | fd => BDB::poll_fileno, |
|
|
2547 | poll => 'r', |
|
|
2548 | prio => 0, |
|
|
2549 | data => WF_AUTOCANCEL, |
|
|
2550 | cb => \&BDB::poll_cb, |
|
|
2551 | ); |
|
|
2552 | BDB::min_parallel 8; |
|
|
2553 | |
|
|
2554 | BDB::set_sync_prepare { |
|
|
2555 | my $status; |
|
|
2556 | my $current = $Coro::current; |
|
|
2557 | ( |
|
|
2558 | sub { |
|
|
2559 | $status = $!; |
|
|
2560 | $current->ready; undef $current; |
|
|
2561 | }, |
|
|
2562 | sub { |
|
|
2563 | Coro::schedule while defined $current; |
|
|
2564 | $! = $status; |
|
|
2565 | }, |
|
|
2566 | ) |
|
|
2567 | }; |
|
|
2568 | |
|
|
2569 | unless ($DB_ENV) { |
|
|
2570 | $DB_ENV = BDB::db_env_create; |
|
|
2571 | |
|
|
2572 | cf::sync_job { |
|
|
2573 | eval { |
|
|
2574 | BDB::db_env_open |
|
|
2575 | $DB_ENV, |
|
|
2576 | $BDB_ENV_DIR, |
|
|
2577 | BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN |
|
|
2578 | | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, |
|
|
2579 | 0666; |
|
|
2580 | |
|
|
2581 | cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; |
|
|
2582 | |
|
|
2583 | $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); |
|
|
2584 | $DB_ENV->set_lk_detect; |
|
|
2585 | }; |
|
|
2586 | |
|
|
2587 | cf::cleanup "db_env_open(db): $@" if $@; |
|
|
2588 | }; |
|
|
2589 | } |
|
|
2590 | } |
|
|
2591 | |
|
|
2592 | { |
|
|
2593 | IO::AIO::min_parallel 8; |
|
|
2594 | |
|
|
2595 | undef $Coro::AIO::WATCHER; |
2555 | IO::AIO::max_poll_time $TICK * 0.1; |
2596 | IO::AIO::max_poll_time $TICK * 0.1; |
2556 | |
|
|
2557 | undef $Coro::AIO::WATCHER; |
|
|
2558 | $AIO_POLL_WATCHER = Event->io ( |
2597 | $AIO_POLL_WATCHER = Event->io ( |
2559 | reentrant => 0, |
2598 | reentrant => 0, |
|
|
2599 | data => WF_AUTOCANCEL, |
2560 | fd => IO::AIO::poll_fileno, |
2600 | fd => IO::AIO::poll_fileno, |
2561 | poll => 'r', |
2601 | poll => 'r', |
2562 | prio => 6, |
2602 | prio => 6, |
2563 | data => WF_AUTOCANCEL, |
|
|
2564 | cb => \&IO::AIO::poll_cb, |
2603 | cb => \&IO::AIO::poll_cb, |
2565 | ); |
2604 | ); |
2566 | |
2605 | } |
2567 | $WRITE_RUNTIME_WATCHER = Event->timer ( |
|
|
2568 | reentrant => 0, |
|
|
2569 | data => WF_AUTOCANCEL, |
|
|
2570 | after => 1, |
|
|
2571 | interval => 10, |
|
|
2572 | prio => 6, # keep it lowest so it acts like a watchdog |
|
|
2573 | cb => Coro::unblock_sub { |
|
|
2574 | write_runtime |
|
|
2575 | or warn "ERROR: unable to write runtime file: $!"; |
|
|
2576 | }, |
|
|
2577 | ); |
|
|
2578 | |
2606 | |
2579 | END { cf::emergency_save } |
2607 | END { cf::emergency_save } |
2580 | |
2608 | |
2581 | 1 |
2609 | 1 |
2582 | |
2610 | |