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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.252 by root, Wed Apr 18 15:28:18 2007 UTC vs.
Revision 1.265 by root, Fri May 11 08:00:00 2007 UTC

54our %EXT_CORO = (); # coroutines bound to extensions 54our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 55our %EXT_MAP = (); # pluggable maps
56 56
57our $RELOAD; # number of reloads so far 57our $RELOAD; # number of reloads so far
58our @EVENT; 58our @EVENT;
59our $LIBDIR = datadir . "/ext"; 59
60our $CONFDIR = confdir;
61our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db";
60 71
61our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62our $TICK_WATCHER; 73our $TICK_WATCHER;
63our $AIO_POLL_WATCHER; 74our $AIO_POLL_WATCHER;
64our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
75our $RUNTIME; 86our $RUNTIME;
76 87
77our %PLAYER; # all users 88our %PLAYER; # all users
78our %MAP; # all maps 89our %MAP; # all maps
79our $LINK_MAP; # the special {link} map, which is always available 90our $LINK_MAP; # the special {link} map, which is always available
80our $RANDOM_MAPS = cf::localdir . "/random";
81our $BDB_ENV_DIR = cf::localdir . "/db";
82 91
83# used to convert map paths into valid unix filenames by replacing / by ∕ 92# used to convert map paths into valid unix filenames by replacing / by ∕
84our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85 94
95our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing
97our $tick_start; # for load detecting purposes
98
86binmode STDOUT; 99binmode STDOUT;
87binmode STDERR; 100binmode STDERR;
88 101
89# read virtual server time, if available 102# read virtual server time, if available
90unless ($RUNTIME || !-e cf::localdir . "/runtime") { 103unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
91 open my $fh, "<", cf::localdir . "/runtime" 104 open my $fh, "<", "$LOCALDIR/runtime"
92 or die "unable to read runtime file: $!"; 105 or die "unable to read runtime file: $!";
93 $RUNTIME = <$fh> + 0.; 106 $RUNTIME = <$fh> + 0.;
94} 107}
95 108
96mkdir cf::localdir; 109mkdir $_
97mkdir cf::localdir . "/" . cf::playerdir; 110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98mkdir cf::localdir . "/" . cf::tmpdir;
99mkdir cf::localdir . "/" . cf::uniquedir;
100mkdir $RANDOM_MAPS;
101mkdir $BDB_ENV_DIR;
102 111
103our $EMERGENCY_POSITION; 112our $EMERGENCY_POSITION;
104 113
105sub cf::map::normalise; 114sub cf::map::normalise;
106 115
117=item $cf::RUNTIME 126=item $cf::RUNTIME
118 127
119The time this server has run, starts at 0 and is increased by $cf::TICK on 128The time this server has run, starts at 0 and is increased by $cf::TICK on
120every server tick. 129every server tick.
121 130
122=item $cf::LIBDIR 131=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
132$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
133$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
123 134
124The perl library directory, where extensions and cf-specific modules can 135Various directories - "/etc", read-only install directory, perl-library
125be found. It will be added to C<@INC> automatically. 136directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137unique-items directory, player file directory, random maps directory and
138database environment.
126 139
127=item $cf::NOW 140=item $cf::NOW
128 141
129The time of the last (current) server tick. 142The time of the last (current) server tick.
130 143
131=item $cf::TICK 144=item $cf::TICK
132 145
133The interval between server ticks, in seconds. 146The interval between server ticks, in seconds.
147
148=item $cf::LOADAVG
149
150The current CPU load on the server (alpha-smoothed), as a value between 0
151(none) and 1 (overloaded), indicating how much time is spent on processing
152objects per tick. Healthy values are < 0.5.
153
154=item $cf::LOAD
155
156The raw value load value from the last tick.
134 157
135=item %cf::CFG 158=item %cf::CFG
136 159
137Configuration for the server, loaded from C</etc/crossfire/config>, or 160Configuration for the server, loaded from C</etc/crossfire/config>, or
138from wherever your confdir points to. 161from wherever your confdir points to.
152 my $msg = join "", @_; 175 my $msg = join "", @_;
153 176
154 $msg .= "\n" 177 $msg .= "\n"
155 unless $msg =~ /\n$/; 178 unless $msg =~ /\n$/;
156 179
157 $msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158 181
159 utf8::encode $msg; 182 utf8::encode $msg;
160 LOG llevError, $msg; 183 LOG llevError, $msg;
161 }; 184 };
162} 185}
234returned. 257returned.
235 258
236Lock names should begin with a unique identifier (for example, cf::map::find 259Lock names should begin with a unique identifier (for example, cf::map::find
237uses map_find and cf::map::load uses map_load). 260uses map_find and cf::map::load uses map_load).
238 261
262=item $locked = cf::lock_active $string
263
264Return true if the lock is currently active, i.e. somebody has locked it.
265
239=cut 266=cut
240 267
241our %LOCK; 268our %LOCK;
242 269
243sub lock_wait($) { 270sub lock_wait($) {
260 287
261 Coro::guard { 288 Coro::guard {
262 # wake up all waiters, to be on the safe side 289 # wake up all waiters, to be on the safe side
263 $_->ready for @{ delete $LOCK{$key} }; 290 $_->ready for @{ delete $LOCK{$key} };
264 } 291 }
292}
293
294sub lock_active($) {
295 my ($key) = @_;
296
297 ! ! $LOCK{$key}
265} 298}
266 299
267sub freeze_mainloop { 300sub freeze_mainloop {
268 return unless $TICK_WATCHER->is_active; 301 return unless $TICK_WATCHER->is_active;
269 302
299 332
300sub sync_job(&) { 333sub sync_job(&) {
301 my ($job) = @_; 334 my ($job) = @_;
302 335
303 if ($Coro::current == $Coro::main) { 336 if ($Coro::current == $Coro::main) {
337 my $time = Event::time;
338
304 # this is the main coro, too bad, we have to block 339 # this is the main coro, too bad, we have to block
305 # till the operation succeeds, freezing the server :/ 340 # till the operation succeeds, freezing the server :/
306 341
307 # TODO: use suspend/resume instead 342 # TODO: use suspend/resume instead
308 # (but this is cancel-safe) 343 # (but this is cancel-safe)
319 354
320 while ($busy) { 355 while ($busy) {
321 Coro::cede or Event::one_event; 356 Coro::cede or Event::one_event;
322 } 357 }
323 358
359 $time = Event::time - $time;
360
361 LOG llevError | logBacktrace, "long sync job\n"
362 if $time > $TICK * 0.5;
363
364 $tick_start += $time; # do not account sync jobs to server load
365
324 wantarray ? @res : $res[0] 366 wantarray ? @res : $res[0]
325 } else { 367 } else {
326 # we are in another coroutine, how wonderful, everything just works 368 # we are in another coroutine, how wonderful, everything just works
327 369
328 $job->() 370 $job->()
348 390
349 $coro 391 $coro
350} 392}
351 393
352sub write_runtime { 394sub write_runtime {
395 my $runtime = "$LOCALDIR/runtime";
396
397 # first touch the runtime file to show we are still running:
398 # the fsync below can take a very very long time.
399
400 if (my $fh = aio_open $runtime, O_WRONLY, 0) {
401 utime undef, undef, $fh;
402 }
403
353 my $guard = cf::lock_acquire "write_runtime"; 404 my $guard = cf::lock_acquire "write_runtime";
354
355 my $runtime = cf::localdir . "/runtime";
356 405
357 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 406 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
358 or return; 407 or return;
359 408
360 my $value = $cf::RUNTIME + 90 + 10; 409 my $value = $cf::RUNTIME + 90 + 10;
366 415
367 # always fsync - this file is important 416 # always fsync - this file is important
368 aio_fsync $fh 417 aio_fsync $fh
369 and return; 418 and return;
370 419
420 # touch it again to show we are up-to-date
421 utime undef, undef, $fh;
422
371 close $fh 423 close $fh
372 or return; 424 or return;
373 425
374 aio_rename "$runtime~", $runtime 426 aio_rename "$runtime~", $runtime
375 and return; 427 and return;
428
429 warn "runtime file written.\n";#d#
376 430
377 1 431 1
378} 432}
379 433
380=item cf::datalog type => key => value, ... 434=item cf::datalog type => key => value, ...
955Returns the given player object, loading it if necessary (might block). 1009Returns the given player object, loading it if necessary (might block).
956 1010
957=cut 1011=cut
958 1012
959sub playerdir($) { 1013sub playerdir($) {
960 cf::localdir 1014 "$PLAYERDIR/"
961 . "/"
962 . cf::playerdir
963 . "/"
964 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1015 . (ref $_[0] ? $_[0]->ob->name : $_[0])
965} 1016}
966 1017
967sub path($) { 1018sub path($) {
968 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1019 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1088while and may block, so not sync_job-capable, ever. 1139while and may block, so not sync_job-capable, ever.
1089 1140
1090=cut 1141=cut
1091 1142
1092sub list_logins { 1143sub list_logins {
1093 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1144 my $dirs = aio_readdir $PLAYERDIR
1094 or return []; 1145 or return [];
1095 1146
1096 my @logins; 1147 my @logins;
1097 1148
1098 for my $login (@$dirs) { 1149 for my $login (@$dirs) {
1336 1387
1337# the original (read-only) location 1388# the original (read-only) location
1338sub load_path { 1389sub load_path {
1339 my ($self) = @_; 1390 my ($self) = @_;
1340 1391
1341 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1392 "$MAPDIR/$self->{path}.map"
1342} 1393}
1343 1394
1344# the temporary/swap location 1395# the temporary/swap location
1345sub save_path { 1396sub save_path {
1346 my ($self) = @_; 1397 my ($self) = @_;
1347 1398
1348 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1399 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1400 "$TMPDIR/$path.map"
1350} 1401}
1351 1402
1352# the unique path, undef == no special unique path 1403# the unique path, undef == no special unique path
1353sub uniq_path { 1404sub uniq_path {
1354 my ($self) = @_; 1405 my ($self) = @_;
1355 1406
1356 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1407 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1408 "$UNIQUEDIR/$path"
1358} 1409}
1359 1410
1360# and all this just because we cannot iterate over 1411# and all this just because we cannot iterate over
1361# all maps in C++... 1412# all maps in C++...
1362sub change_all_map_light { 1413sub change_all_map_light {
1474 my ($self) = @_; 1525 my ($self) = @_;
1475 1526
1476 local $self->{deny_reset} = 1; # loading can take a long time 1527 local $self->{deny_reset} = 1; # loading can take a long time
1477 1528
1478 my $path = $self->{path}; 1529 my $path = $self->{path};
1530
1531 {
1479 my $guard = cf::lock_acquire "map_load:$path"; 1532 my $guard = cf::lock_acquire "map_load:$path";
1480 1533
1481 return if $self->in_memory != cf::MAP_SWAPPED; 1534 return if $self->in_memory != cf::MAP_SWAPPED;
1482 1535
1483 $self->in_memory (cf::MAP_LOADING); 1536 $self->in_memory (cf::MAP_LOADING);
1484 1537
1485 $self->alloc; 1538 $self->alloc;
1486 1539
1487 $self->pre_load; 1540 $self->pre_load;
1488 Coro::cede;
1489
1490 $self->_load_objects ($self->{load_path}, 1)
1491 or return;
1492
1493 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1494 if delete $self->{load_original};
1495
1496 if (my $uniq = $self->uniq_path) {
1497 utf8::encode $uniq;
1498 if (aio_open $uniq, O_RDONLY, 0) {
1499 $self->clear_unique_items;
1500 $self->_load_objects ($uniq, 0);
1501 }
1502 }
1503
1504 Coro::cede;
1505 # now do the right thing for maps
1506 $self->link_multipart_objects;
1507 Coro::cede;
1508
1509 unless ($self->{deny_activate}) {
1510 $self->decay_objects;
1511 $self->fix_auto_apply;
1512 $self->update_buttons;
1513 Coro::cede; 1541 Coro::cede;
1514 $self->set_darkness_map; 1542
1543 $self->_load_objects ($self->{load_path}, 1)
1544 or return;
1545
1546 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547 if delete $self->{load_original};
1548
1549 if (my $uniq = $self->uniq_path) {
1550 utf8::encode $uniq;
1551 if (aio_open $uniq, O_RDONLY, 0) {
1552 $self->clear_unique_items;
1553 $self->_load_objects ($uniq, 0);
1554 }
1555 }
1556
1557 Coro::cede;
1558 # now do the right thing for maps
1559 $self->link_multipart_objects;
1515 $self->difficulty ($self->estimate_difficulty) 1560 $self->difficulty ($self->estimate_difficulty)
1516 unless $self->difficulty; 1561 unless $self->difficulty;
1517 Coro::cede; 1562 Coro::cede;
1563
1564 unless ($self->{deny_activate}) {
1565 $self->decay_objects;
1566 $self->fix_auto_apply;
1567 $self->update_buttons;
1568 Coro::cede;
1569 $self->set_darkness_map;
1570 Coro::cede;
1518 $self->activate; 1571 $self->activate;
1519 Coro::cede; 1572 }
1573
1574 $self->in_memory (cf::MAP_IN_MEMORY);
1520 } 1575 }
1521 1576
1522 $self->post_load; 1577 $self->post_load;
1523 Coro::cede;
1524
1525 $self->in_memory (cf::MAP_IN_MEMORY);
1526} 1578}
1527 1579
1528sub customise_for { 1580sub customise_for {
1529 my ($self, $ob) = @_; 1581 my ($self, $ob) = @_;
1530 1582
1721instantiated unique items. May block. 1773instantiated unique items. May block.
1722 1774
1723=cut 1775=cut
1724 1776
1725sub unique_maps() { 1777sub unique_maps() {
1726 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 1778 my $files = aio_readdir $UNIQUEDIR
1727 or return; 1779 or return;
1728 1780
1729 my @paths; 1781 my @paths;
1730 1782
1731 for (@$files) { 1783 for (@$files) {
1987 2039
1988 $rmp->{random_seed} ||= $exit->random_seed; 2040 $rmp->{random_seed} ||= $exit->random_seed;
1989 2041
1990 my $data = cf::to_json $rmp; 2042 my $data = cf::to_json $rmp;
1991 my $md5 = Digest::MD5::md5_hex $data; 2043 my $md5 = Digest::MD5::md5_hex $data;
1992 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2044 my $meta = "$RANDOMDIR/$md5.meta";
1993 2045
1994 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2046 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995 aio_write $fh, 0, (length $data), $data, 0; 2047 aio_write $fh, 0, (length $data), $data, 0;
1996 undef $fh; 2048 undef $fh;
1997 aio_rename "$meta~", $meta; 2049 aio_rename "$meta~", $meta;
2373 2425
2374 return db_get cache => "$id/data"; 2426 return db_get cache => "$id/data";
2375 } 2427 }
2376 } 2428 }
2377 2429
2430 my $t1 = Time::HiRes::time;
2378 my $data = $process->(\@data); 2431 my $data = $process->(\@data);
2432 my $t2 = Time::HiRes::time;
2433
2434 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2379 2435
2380 db_put cache => "$id/data", $data; 2436 db_put cache => "$id/data", $data;
2381 db_put cache => "$id/md5" , $md5; 2437 db_put cache => "$id/md5" , $md5;
2382 db_put cache => "$id/meta", $meta; 2438 db_put cache => "$id/meta", $meta;
2383 2439
2414 2470
2415 die $$res unless "ARRAY" eq ref $res; 2471 die $$res unless "ARRAY" eq ref $res;
2416 2472
2417 return wantarray ? @$res : $res->[-1]; 2473 return wantarray ? @$res : $res->[-1];
2418 } else { 2474 } else {
2475 reset_signals;
2419 local $SIG{__WARN__}; 2476 local $SIG{__WARN__};
2477 local $SIG{__DIE__};
2420 eval { 2478 eval {
2421 local $SIG{__DIE__};
2422 close $fh1; 2479 close $fh1;
2423 2480
2424 my @res = eval { $cb->(@args) }; 2481 my @res = eval { $cb->(@args) };
2425 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res); 2482 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426 }; 2483 };
2485 } 2542 }
2486 2543
2487 1 2544 1
2488} 2545}
2489 2546
2547sub reload_regions {
2548 load_resource_file "$MAPDIR/regions"
2549 or die "unable to load regions file\n";
2550}
2551
2490sub reload_facedata { 2552sub reload_facedata {
2491 load_facedata sprintf "%s/facedata", cf::datadir 2553 load_facedata "$DATADIR/facedata"
2492 or die "unable to load facedata\n"; 2554 or die "unable to load facedata\n";
2493} 2555}
2494 2556
2495sub reload_regions {
2496 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497 or die "unable to load regions file\n";
2498}
2499
2500sub reload_archetypes { 2557sub reload_archetypes {
2501 load_resource_file sprintf "%s/archetypes", cf::datadir 2558 load_resource_file "$DATADIR/archetypes"
2502 or die "unable to load archetypes\n"; 2559 or die "unable to load archetypes\n";
2503} 2560}
2504 2561
2505sub reload_treasures { 2562sub reload_treasures {
2506 load_resource_file sprintf "%s/treasures", cf::datadir 2563 load_resource_file "$DATADIR/treasures"
2507 or die "unable to load treasurelists\n"; 2564 or die "unable to load treasurelists\n";
2508} 2565}
2509 2566
2510sub reload_resources { 2567sub reload_resources {
2511 warn "reloading resource files...\n"; 2568 warn "reloading resource files...\n";
2521sub init { 2578sub init {
2522 reload_resources; 2579 reload_resources;
2523} 2580}
2524 2581
2525sub cfg_load { 2582sub cfg_load {
2526 open my $fh, "<:utf8", cf::confdir . "/config" 2583 open my $fh, "<:utf8", "$CONFDIR/config"
2527 or return; 2584 or return;
2528 2585
2529 local $/; 2586 local $/;
2530 *CFG = YAML::Syck::Load <$fh>; 2587 *CFG = YAML::Syck::Load <$fh>;
2531 2588
2802 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 2859 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2803 unless ++$bug_warning > 10; 2860 unless ++$bug_warning > 10;
2804 return; 2861 return;
2805 } 2862 }
2806 2863
2807 $NOW = Event::time; 2864 $NOW = $tick_start = Event::time;
2808 2865
2809 cf::server_tick; # one server iteration 2866 cf::server_tick; # one server iteration
2810 2867
2811 $RUNTIME += $TICK; 2868 $RUNTIME += $TICK;
2812 $NEXT_TICK += $TICK; 2869 $NEXT_TICK += $TICK;
2820 } 2877 }
2821 2878
2822# my $AFTER = Event::time; 2879# my $AFTER = Event::time;
2823# warn $AFTER - $NOW;#d# 2880# warn $AFTER - $NOW;#d#
2824 2881
2882 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883 $sig->send;
2884 }
2885 while (my $sig = shift @WAIT_FOR_TICK) {
2886 $sig->send;
2887 }
2888
2889 $NOW = Event::time;
2890
2825 # if we are delayed by four ticks or more, skip them all 2891 # if we are delayed by four ticks or more, skip them all
2826 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2892 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2827 2893
2828 $TICK_WATCHER->at ($NEXT_TICK); 2894 $TICK_WATCHER->at ($NEXT_TICK);
2829 $TICK_WATCHER->start; 2895 $TICK_WATCHER->start;
2830 2896
2831 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 2897 $LOAD = ($NOW - $tick_start) / $TICK;
2832 $sig->send; 2898 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2833 }
2834 while (my $sig = shift @WAIT_FOR_TICK) {
2835 $sig->send;
2836 }
2837 2899
2838 _post_tick; 2900 _post_tick;
2901
2902
2839 }, 2903 },
2840); 2904);
2841 2905
2842{ 2906{
2843 BDB::max_poll_time $TICK * 0.1; 2907 BDB::max_poll_time $TICK * 0.1;
2871 2935
2872 cf::sync_job { 2936 cf::sync_job {
2873 eval { 2937 eval {
2874 BDB::db_env_open 2938 BDB::db_env_open
2875 $DB_ENV, 2939 $DB_ENV,
2876 $BDB_ENV_DIR, 2940 $BDBDIR,
2877 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 2941 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2878 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 2942 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2879 0666; 2943 0666;
2880 2944
2881 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 2945 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2882 2946
2883 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 2947 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2884 $DB_ENV->set_lk_detect; 2948 $DB_ENV->set_lk_detect;
2885 }; 2949 };
2886 2950
2902 prio => 6, 2966 prio => 6,
2903 cb => \&IO::AIO::poll_cb, 2967 cb => \&IO::AIO::poll_cb,
2904 ); 2968 );
2905} 2969}
2906 2970
2971my $_log_backtrace;
2972
2973sub _log_backtrace {
2974 my ($msg, @addr) = @_;
2975
2976 $msg =~ s/\n//;
2977
2978 # limit the # of concurrent backtraces
2979 if ($_log_backtrace < 2) {
2980 ++$_log_backtrace;
2981 async {
2982 my @bt = fork_call {
2983 @addr = map { sprintf "%x", $_ } @addr;
2984 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2986 or die "addr2line: $!";
2987
2988 my @funcs;
2989 my @res = <$fh>;
2990 chomp for @res;
2991 while (@res) {
2992 my ($func, $line) = splice @res, 0, 2, ();
2993 push @funcs, "[$func] $line";
2994 }
2995
2996 @funcs
2997 };
2998
2999 LOG llevInfo, "[ABT] $msg\n";
3000 LOG llevInfo, "[ABT] $_\n" for @bt;
3001 --$_log_backtrace;
3002 };
3003 } else {
3004 LOG llevInfo, "[ABT] $msg\n";
3005 LOG llevInfo, "[ABT] [suppressed]\n";
3006 }
3007}
3008
2907# load additional modules 3009# load additional modules
2908use cf::pod; 3010use cf::pod;
2909 3011
2910END { cf::emergency_save } 3012END { cf::emergency_save }
2911 3013

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