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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC

… …
15use Coro::Timer; 15use Coro::Timer;
16use Coro::Signal; 16use Coro::Signal;
17use Coro::Semaphore; 17use Coro::Semaphore;
18use Coro::AIO; 18use Coro::AIO;
19 19
20use BDB ();
20use Data::Dumper; 21use Data::Dumper;
21use Digest::MD5; 22use Digest::MD5;
22use Fcntl; 23use Fcntl;
23use IO::AIO 2.32 (); 24use IO::AIO 2.32 ();
24use YAML::Syck (); 25use YAML::Syck ();
… …
48our $TICK_WATCHER; 49our $TICK_WATCHER;
49our $AIO_POLL_WATCHER; 50our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER; 51our $WRITE_RUNTIME_WATCHER;
51our $NEXT_TICK; 52our $NEXT_TICK;
52our $NOW; 53our $NOW;
54our $USE_FSYNC = 1; # use fsync to write maps - default off
55
56our $BDB_POLL_WATCHER;
57our $DB_ENV;
53 58
54our %CFG; 59our %CFG;
55 60
56our $UPTIME; $UPTIME ||= time; 61our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 62our $RUNTIME;
58 63
59our %PLAYER; # all users 64our %PLAYER; # all users
60our %MAP; # all maps 65our %MAP; # all maps
61our $LINK_MAP; # the special {link} map, which is always available 66our $LINK_MAP; # the special {link} map, which is always available
62our $RANDOM_MAPS = cf::localdir . "/random"; 67our $RANDOM_MAPS = cf::localdir . "/random";
68our $BDB_ENV_DIR = cf::localdir . "/db";
63 69
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 70our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 71our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66 72
67# used to convert map paths into valid unix filenames by replacing / by ∕ 73# used to convert map paths into valid unix filenames by replacing / by ∕
… …
80mkdir cf::localdir; 86mkdir cf::localdir;
81mkdir cf::localdir . "/" . cf::playerdir; 87mkdir cf::localdir . "/" . cf::playerdir;
82mkdir cf::localdir . "/" . cf::tmpdir; 88mkdir cf::localdir . "/" . cf::tmpdir;
83mkdir cf::localdir . "/" . cf::uniquedir; 89mkdir cf::localdir . "/" . cf::uniquedir;
84mkdir $RANDOM_MAPS; 90mkdir $RANDOM_MAPS;
91mkdir $BDB_ENV_DIR;
85 92
86our $EMERGENCY_POSITION; 93our $EMERGENCY_POSITION;
87 94
88sub cf::map::normalise; 95sub cf::map::normalise;
89 96
… …
358 # 60 allows for the watchdog to kill the server. 365 # 60 allows for the watchdog to kill the server.
359 366
360 (aio_write $fh, 0, (length $value), $value, 0) <= 0 367 (aio_write $fh, 0, (length $value), $value, 0) <= 0
361 and return; 368 and return;
362 369
370 # always fsync - this file is important
363 aio_fsync $fh 371 aio_fsync $fh
364 and return; 372 and return;
365 373
366 close $fh 374 close $fh
367 or return; 375 or return;
… …
752 $filename, length $$rdata, scalar @$objs; 760 $filename, length $$rdata, scalar @$objs;
753 761
754 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 762 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755 chmod SAVE_MODE, $fh; 763 chmod SAVE_MODE, $fh;
756 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 764 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757 aio_fsync $fh; 765 aio_fsync $fh if $cf::USE_FSYNC;
758 close $fh; 766 close $fh;
759 767
760 if (@$objs) { 768 if (@$objs) {
761 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 769 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762 chmod SAVE_MODE, $fh; 770 chmod SAVE_MODE, $fh;
763 my $data = Storable::nfreeze { version => 1, objs => $objs }; 771 my $data = Storable::nfreeze { version => 1, objs => $objs };
764 aio_write $fh, 0, (length $data), $data, 0; 772 aio_write $fh, 0, (length $data), $data, 0;
765 aio_fsync $fh; 773 aio_fsync $fh if $cf::USE_FSYNC;
766 close $fh; 774 close $fh;
767 aio_rename "$filename.pst~", "$filename.pst"; 775 aio_rename "$filename.pst~", "$filename.pst";
768 } 776 }
769 } else { 777 } else {
770 aio_unlink "$filename.pst"; 778 aio_unlink "$filename.pst";
… …
1079=cut 1087=cut
1080 1088
1081sub maps($) { 1089sub maps($) {
1082 my ($pl) = @_; 1090 my ($pl) = @_;
1083 1091
1092 $pl = ref $pl ? $pl->ob->name : $pl;
1093
1084 my $files = aio_readdir playerdir $pl 1094 my $files = aio_readdir playerdir $pl
1085 or return; 1095 or return;
1086 1096
1087 my @paths; 1097 my @paths;
1088 1098
1089 for (@$files) { 1099 for (@$files) {
1090 utf8::decode $_; 1100 utf8::decode $_;
1091 next if /\.(?:pl|pst)$/; 1101 next if /\.(?:pl|pst)$/;
1092 next unless /^$PATH_SEP/o; 1102 next unless /^$PATH_SEP/o;
1093 1103
1094 push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_; 1104 push @paths, cf::map::normalise "~$pl/$_";
1095 } 1105 }
1096 1106
1097 \@paths 1107 \@paths
1098} 1108}
1099 1109
… …
2001 # get handled first 2011 # get handled first
2002 my $queue = delete $ns->{query_queue} 2012 my $queue = delete $ns->{query_queue}
2003 or return; # be conservative, not sure how that can happen, but we saw a crash here 2013 or return; # be conservative, not sure how that can happen, but we saw a crash here
2004 2014
2005 (shift @$queue)->[1]->($msg); 2015 (shift @$queue)->[1]->($msg);
2016 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006 2017
2007 push @{ $ns->{query_queue} }, @$queue; 2018 push @{ $ns->{query_queue} }, @$queue;
2008 2019
2009 if (@{ $ns->{query_queue} } == @$queue) { 2020 if (@{ $ns->{query_queue} } == @$queue) {
2010 if (@$queue) { 2021 if (@$queue) {
… …
2267 }, 2278 },
2268 ); 2279 );
2269} 2280}
2270 2281
2271############################################################################# 2282#############################################################################
2272# the server's main() 2283# the server's init and main functions
2284
2285sub load_resources {
2286 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2287 or die "unable to load regions file\n";#d#
2288}
2273 2289
2274sub cfg_load { 2290sub cfg_load {
2275 open my $fh, "<:utf8", cf::confdir . "/config" 2291 open my $fh, "<:utf8", cf::confdir . "/config"
2276 or return; 2292 or return;
2277 2293
… …
2288 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 2304 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2289 and die "WARNING: m(un)lockall failed: $!\n"; 2305 and die "WARNING: m(un)lockall failed: $!\n";
2290 }; 2306 };
2291 warn $@ if $@; 2307 warn $@ if $@;
2292 } 2308 }
2309}
2310
2311sub init {
2312 load_resources;
2293} 2313}
2294 2314
2295sub main { 2315sub main {
2296 # we must not ever block the main coroutine 2316 # we must not ever block the main coroutine
2297 local $Coro::idle = sub { 2317 local $Coro::idle = sub {
… …
2458 warn "reattaching attachments to objects/players"; 2478 warn "reattaching attachments to objects/players";
2459 _global_reattach; 2479 _global_reattach;
2460 warn "reattaching attachments to maps"; 2480 warn "reattaching attachments to maps";
2461 reattach $_ for values %MAP; 2481 reattach $_ for values %MAP;
2462 2482
2483 warn "loading reloadable resources";
2484 load_resources;
2485
2463 warn "restarting server ticker"; 2486 warn "restarting server ticker";
2464 2487
2465 $TICK_WATCHER->start; 2488 $TICK_WATCHER->start;
2466 }; 2489 };
2467 2490
… …
2535 $TICK_WATCHER->at ($NEXT_TICK); 2558 $TICK_WATCHER->at ($NEXT_TICK);
2536 $TICK_WATCHER->start; 2559 $TICK_WATCHER->start;
2537 }, 2560 },
2538); 2561);
2539 2562
2563{
2564 BDB::max_poll_time $TICK * 0.1;
2565 $BDB_POLL_WATCHER = Event->io (
2566 reentrant => 0,
2567 fd => BDB::poll_fileno,
2568 poll => 'r',
2569 prio => 0,
2570 data => WF_AUTOCANCEL,
2571 cb => \&BDB::poll_cb,
2572 );
2573 BDB::min_parallel 8;
2574
2575 BDB::set_sync_prepare {
2576 my $status;
2577 my $current = $Coro::current;
2578 (
2579 sub {
2580 $status = $!;
2581 $current->ready; undef $current;
2582 },
2583 sub {
2584 Coro::schedule while defined $current;
2585 $! = $status;
2586 },
2587 )
2588 };
2589
2590 unless ($DB_ENV) {
2591 $DB_ENV = BDB::db_env_create;
2592
2593 cf::sync_job {
2594 BDB::db_env_open
2595 $DB_ENV,
2596 $BDB_ENV_DIR,
2597 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599 0666;
2600
2601 cf::cleanup "$!" if $!;
2602
2603 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2604 $DB_ENV->set_lk_detect;
2605 };
2606 }
2607}
2608
2609{
2610 IO::AIO::min_parallel 8;
2611
2612 undef $Coro::AIO::WATCHER;
2540IO::AIO::max_poll_time $TICK * 0.1; 2613 IO::AIO::max_poll_time $TICK * 0.1;
2541
2542undef $Coro::AIO::WATCHER;
2543$AIO_POLL_WATCHER = Event->io ( 2614 $AIO_POLL_WATCHER = Event->io (
2544 reentrant => 0, 2615 reentrant => 0,
2545 fd => IO::AIO::poll_fileno, 2616 fd => IO::AIO::poll_fileno,
2546 poll => 'r', 2617 poll => 'r',
2547 prio => 6, 2618 prio => 6,
2548 data => WF_AUTOCANCEL, 2619 data => WF_AUTOCANCEL,
2549 cb => \&IO::AIO::poll_cb, 2620 cb => \&IO::AIO::poll_cb,
2550); 2621 );
2622}
2551 2623
2552$WRITE_RUNTIME_WATCHER = Event->timer ( 2624$WRITE_RUNTIME_WATCHER = Event->timer (
2553 reentrant => 0, 2625 reentrant => 0,
2554 data => WF_AUTOCANCEL, 2626 data => WF_AUTOCANCEL,
2555 after => 1, 2627 after => 1,

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