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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.435 by root, Thu May 29 03:33:20 2008 UTC vs.
Revision 1.465 by root, Thu Jan 8 00:54:55 2009 UTC

… …
19# The authors can be reached via e-mail to <support@deliantra.net> 19# The authors can be reached via e-mail to <support@deliantra.net>
20# 20#
21 21
22package cf; 22package cf;
23 23
24use 5.10.0;
24use utf8; 25use utf8;
25use strict; 26use strict "vars", "subs";
26 27
27use Symbol; 28use Symbol;
28use List::Util; 29use List::Util;
29use Socket; 30use Socket;
30use EV; 31use EV;
31use Opcode; 32use Opcode;
32use Safe; 33use Safe;
33use Safe::Hole; 34use Safe::Hole;
34use Storable (); 35use Storable ();
35 36
37use Guard ();
36use Coro (); 38use Coro ();
37use Coro::State; 39use Coro::State;
38use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
39use Coro::AnyEvent; 42use Coro::AnyEvent;
40use Coro::Timer; 43use Coro::Timer;
41use Coro::Signal; 44use Coro::Signal;
42use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
43use Coro::AnyEvent; 47use Coro::AnyEvent;
44use Coro::AIO; 48use Coro::AIO;
45use Coro::BDB; 49use Coro::BDB 1.6;
46use Coro::Storable; 50use Coro::Storable;
47use Coro::Util (); 51use Coro::Util ();
48 52
49use JSON::XS 2.01 (); 53use JSON::XS 2.01 ();
50use BDB (); 54use BDB ();
… …
61 65
62# configure various modules to our taste 66# configure various modules to our taste
63# 67#
64$Storable::canonical = 1; # reduce rsync transfers 68$Storable::canonical = 1; # reduce rsync transfers
65Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 69Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
70
71$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
66Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
67
68$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
69 76
70sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 77sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
71 78
72our %COMMAND = (); 79our %COMMAND = ();
73our %COMMAND_TIME = (); 80our %COMMAND_TIME = ();
… …
76our %EXTCMD = (); 83our %EXTCMD = ();
77our %EXTICMD = (); 84our %EXTICMD = ();
78our %EXT_CORO = (); # coroutines bound to extensions 85our %EXT_CORO = (); # coroutines bound to extensions
79our %EXT_MAP = (); # pluggable maps 86our %EXT_MAP = (); # pluggable maps
80 87
81our $RELOAD; # number of reloads so far 88our $RELOAD; # number of reloads so far, non-zero while in reload
82our @EVENT; 89our @EVENT;
83 90
84our $CONFDIR = confdir; 91our $CONFDIR = confdir;
85our $DATADIR = datadir; 92our $DATADIR = datadir;
86our $LIBDIR = "$DATADIR/ext"; 93our $LIBDIR = "$DATADIR/ext";
87our $PODDIR = "$DATADIR/pod"; 94our $PODDIR = "$DATADIR/pod";
88our $MAPDIR = "$DATADIR/" . mapdir; 95our $MAPDIR = "$DATADIR/" . mapdir;
89our $LOCALDIR = localdir; 96our $LOCALDIR = localdir;
90our $TMPDIR = "$LOCALDIR/" . tmpdir; 97our $TMPDIR = "$LOCALDIR/" . tmpdir;
91our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 98our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
92our $PLAYERDIR = "$LOCALDIR/" . playerdir; 99our $PLAYERDIR = "$LOCALDIR/" . playerdir;
93our $RANDOMDIR = "$LOCALDIR/random"; 100our $RANDOMDIR = "$LOCALDIR/random";
94our $BDBDIR = "$LOCALDIR/db"; 101our $BDBDIR = "$LOCALDIR/db";
102our $PIDFILE = "$LOCALDIR/pid";
103our $RUNTIMEFILE = "$LOCALDIR/runtime";
104
95our %RESOURCE; 105our %RESOURCE;
96 106
97our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 107our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
98our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 108our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
99our $NEXT_TICK; 109our $NEXT_TICK;
… …
120our $LOAD; # a number between 0 (idle) and 1 (too many objects) 130our $LOAD; # a number between 0 (idle) and 1 (too many objects)
121our $LOADAVG; # same thing, but with alpha-smoothing 131our $LOADAVG; # same thing, but with alpha-smoothing
122our $JITTER; # average jitter 132our $JITTER; # average jitter
123our $TICK_START; # for load detecting purposes 133our $TICK_START; # for load detecting purposes
124 134
135our @POST_INIT;
136
137our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
138
125binmode STDOUT; 139binmode STDOUT;
126binmode STDERR; 140binmode STDERR;
127 141
128# read virtual server time, if available 142# read virtual server time, if available
129unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 143unless ($RUNTIME || !-e $RUNTIMEFILE) {
130 open my $fh, "<", "$LOCALDIR/runtime" 144 open my $fh, "<", $RUNTIMEFILE
131 or die "unable to read runtime file: $!"; 145 or die "unable to read $RUNTIMEFILE file: $!";
132 $RUNTIME = <$fh> + 0.; 146 $RUNTIME = <$fh> + 0.;
133} 147}
134 148
135mkdir $_ 149mkdir $_
136 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 150 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
… …
243for my $pkg (qw( 257for my $pkg (qw(
244 cf::global cf::attachable 258 cf::global cf::attachable
245 cf::object cf::object::player 259 cf::object cf::object::player
246 cf::client cf::player 260 cf::client cf::player
247 cf::arch cf::living 261 cf::arch cf::living
262 cf::map cf::mapspace
248 cf::map cf::party cf::region 263 cf::party cf::region
249)) { 264)) {
250 no strict 'refs';
251 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 265 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
252} 266}
253 267
254$EV::DIED = sub { 268$EV::DIED = sub {
255 warn "error in event callback: @_"; 269 warn "error in event callback: @_";
… …
297our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 311our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
298 312
299sub encode_json($) { $json_coder->encode ($_[0]) } 313sub encode_json($) { $json_coder->encode ($_[0]) }
300sub decode_json($) { $json_coder->decode ($_[0]) } 314sub decode_json($) { $json_coder->decode ($_[0]) }
301 315
316=item cf::post_init { BLOCK }
317
318Execute the given codeblock, I<after> all extensions have been (re-)loaded,
319but I<before> the server starts ticking again.
320
321The cdoeblock will have a single boolean argument to indicate whether this
322is a reload or not.
323
324=cut
325
326sub post_init(&) {
327 push @POST_INIT, shift;
328}
329
302=item cf::lock_wait $string 330=item cf::lock_wait $string
303 331
304Wait until the given lock is available. See cf::lock_acquire. 332Wait until the given lock is available. See cf::lock_acquire.
305 333
306=item my $lock = cf::lock_acquire $string 334=item my $lock = cf::lock_acquire $string
307 335
308Wait until the given lock is available and then acquires it and returns 336Wait until the given lock is available and then acquires it and returns
309a Coro::guard object. If the guard object gets destroyed (goes out of scope, 337a L<Guard> object. If the guard object gets destroyed (goes out of scope,
310for example when the coroutine gets canceled), the lock is automatically 338for example when the coroutine gets canceled), the lock is automatically
311returned. 339returned.
312 340
313Locks are *not* recursive, locking from the same coro twice results in a 341Locks are *not* recursive, locking from the same coro twice results in a
314deadlocked coro. 342deadlocked coro.
… …
320 348
321Return true if the lock is currently active, i.e. somebody has locked it. 349Return true if the lock is currently active, i.e. somebody has locked it.
322 350
323=cut 351=cut
324 352
325our %LOCK; 353our $LOCKS = new Coro::SemaphoreSet;
326our %LOCKER;#d#
327 354
328sub lock_wait($) { 355sub lock_wait($) {
329 my ($key) = @_; 356 $LOCKS->wait ($_[0]);
330
331 if ($LOCKER{$key} == $Coro::current) {#d#
332 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
333 return;#d#
334 }#d#
335
336 # wait for lock, if any
337 while ($LOCK{$key}) {
338 push @{ $LOCK{$key} }, $Coro::current;
339 Coro::schedule;
340 }
341} 357}
342 358
343sub lock_acquire($) { 359sub lock_acquire($) {
344 my ($key) = @_; 360 $LOCKS->guard ($_[0])
345
346 # wait, to be sure we are not locked
347 lock_wait $key;
348
349 $LOCK{$key} = [];
350 $LOCKER{$key} = $Coro::current;#d#
351
352 Coro::guard {
353 delete $LOCKER{$key};#d#
354 # wake up all waiters, to be on the safe side
355 $_->ready for @{ delete $LOCK{$key} };
356 }
357} 361}
358 362
359sub lock_active($) { 363sub lock_active($) {
360 my ($key) = @_; 364 $LOCKS->count ($_[0]) < 1
361
362 ! ! $LOCK{$key}
363} 365}
364 366
365sub freeze_mainloop { 367sub freeze_mainloop {
366 tick_inhibit_inc; 368 tick_inhibit_inc;
367 369
368 Coro::guard \&tick_inhibit_dec; 370 &Guard::guard (\&tick_inhibit_dec);
369} 371}
370 372
371=item cf::periodic $interval, $cb 373=item cf::periodic $interval, $cb
372 374
373Like EV::periodic, but randomly selects a starting point so that the actions 375Like EV::periodic, but randomly selects a starting point so that the actions
… …
725 727
726############################################################################# 728#############################################################################
727 729
728=head2 ATTACHABLE OBJECTS 730=head2 ATTACHABLE OBJECTS
729 731
730Many objects in crossfire are so-called attachable objects. That means you can 732Many objects in deliantra are so-called attachable objects. That means you can
731attach callbacks/event handlers (a collection of which is called an "attachment") 733attach callbacks/event handlers (a collection of which is called an "attachment")
732to it. All such attachable objects support the following methods. 734to it. All such attachable objects support the following methods.
733 735
734In the following description, CLASS can be any of C<global>, C<object> 736In the following description, CLASS can be any of C<global>, C<object>
735C<player>, C<client> or C<map> (i.e. the attachable objects in 737C<player>, C<client> or C<map> (i.e. the attachable objects in
… …
785=item cf::CLASS::attachment $name, ... 787=item cf::CLASS::attachment $name, ...
786 788
787Register an attachment by C<$name> through which attachable objects of the 789Register an attachment by C<$name> through which attachable objects of the
788given CLASS can refer to this attachment. 790given CLASS can refer to this attachment.
789 791
790Some classes such as crossfire maps and objects can specify attachments 792Some classes such as deliantra maps and objects can specify attachments
791that are attached at load/instantiate time, thus the need for a name. 793that are attached at load/instantiate time, thus the need for a name.
792 794
793These calls expect any number of the following handler/hook descriptions: 795These calls expect any number of the following handler/hook descriptions:
794 796
795=over 4 797=over 4
… …
1086 1088
1087sub reattach { 1089sub reattach {
1088 # basically do the same as instantiate, without calling instantiate 1090 # basically do the same as instantiate, without calling instantiate
1089 my ($obj) = @_; 1091 my ($obj) = @_;
1090 1092
1093 # no longer needed after getting rid of delete_package?
1091 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1094 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1092 1095
1093 my $registry = $obj->registry; 1096 my $registry = $obj->registry;
1094 1097
1095 @$registry = (); 1098 @$registry = ();
1096 1099
… …
1161 } else { 1164 } else {
1162 aio_unlink "$filename.pst"; 1165 aio_unlink "$filename.pst";
1163 } 1166 }
1164 1167
1165 aio_rename "$filename~", $filename; 1168 aio_rename "$filename~", $filename;
1169
1170 $filename =~ s%/[^/]+$%%;
1171 aio_pathsync $filename if $cf::USE_FSYNC;
1166 } else { 1172 } else {
1167 warn "FATAL: $filename~: $!\n"; 1173 warn "unable to save objects: $filename~: $!\n";
1168 } 1174 }
1169 } else { 1175 } else {
1170 aio_unlink $filename; 1176 aio_unlink $filename;
1171 aio_unlink "$filename.pst"; 1177 aio_unlink "$filename.pst";
1172 } 1178 }
… …
1263 my ($name, $cb) = @_; 1269 my ($name, $cb) = @_;
1264 1270
1265 $EXTICMD{$name} = $cb; 1271 $EXTICMD{$name} = $cb;
1266} 1272}
1267 1273
1274use File::Glob ();
1275
1268cf::player->attach ( 1276cf::player->attach (
1269 on_command => sub { 1277 on_command => sub {
1270 my ($pl, $name, $params) = @_; 1278 my ($pl, $name, $params) = @_;
1271 1279
1272 my $cb = $COMMAND{$name} 1280 my $cb = $COMMAND{$name}
… …
1304 1312
1305 cf::override; 1313 cf::override;
1306 }, 1314 },
1307); 1315);
1308 1316
1317# "readahead" all extensions
1318sub cache_extensions {
1319 my $grp = IO::AIO::aio_group;
1320
1321 add $grp IO::AIO::aio_readdir $LIBDIR, sub {
1322 for (grep /\.ext$/, @{$_[0]}) {
1323 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1324 }
1325 };
1326
1327 $grp
1328}
1329
1309sub load_extensions { 1330sub load_extensions {
1310 cf::sync_job { 1331 cf::sync_job {
1311 my %todo; 1332 my %todo;
1312 1333
1313 for my $path (<$LIBDIR/*.ext>) { 1334 for my $path (<$LIBDIR/*.ext>) {
… …
1332 1353
1333 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1354 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1334 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1355 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1335 1356
1336 $ext{source} = 1357 $ext{source} =
1337 "package $pkg; use strict; use utf8;\n" 1358 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1338 . "#line 1 \"$path\"\n{\n" 1359 . "#line 1 \"$path\"\n{\n"
1339 . $source 1360 . $source
1340 . "\n};\n1"; 1361 . "\n};\n1";
1341 1362
1342 $todo{$base} = \%ext; 1363 $todo{$base} = \%ext;
… …
1382 1403
1383=back 1404=back
1384 1405
1385=head2 CORE EXTENSIONS 1406=head2 CORE EXTENSIONS
1386 1407
1387Functions and methods that extend core crossfire objects. 1408Functions and methods that extend core deliantra objects.
1388 1409
1389=cut 1410=cut
1390 1411
1391package cf::player; 1412package cf::player;
1392 1413
… …
1435 1456
1436sub exists($) { 1457sub exists($) {
1437 my ($login) = @_; 1458 my ($login) = @_;
1438 1459
1439 $cf::PLAYER{$login} 1460 $cf::PLAYER{$login}
1440 or cf::sync_job { !aio_stat path $login } 1461 or !aio_stat path $login
1441} 1462}
1442 1463
1443sub find($) { 1464sub find($) {
1444 return $cf::PLAYER{$_[0]} || do { 1465 return $cf::PLAYER{$_[0]} || do {
1445 my $login = $_[0]; 1466 my $login = $_[0];
… …
1520 my ($pl) = @_; 1541 my ($pl) = @_;
1521 1542
1522 my $name = $pl->ob->name; 1543 my $name = $pl->ob->name;
1523 1544
1524 $pl->{deny_save} = 1; 1545 $pl->{deny_save} = 1;
1525 $pl->password ("*"); # this should lock out the player until we nuked the dir 1546 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1526 1547
1527 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1548 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1528 $pl->deactivate; 1549 $pl->deactivate;
1529 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy; 1550 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1530 $pl->ob->check_score; 1551 $pl->ob->check_score;
… …
1616 } 1637 }
1617 1638
1618 \@paths 1639 \@paths
1619} 1640}
1620 1641
1621=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1642=item $protocol_xml = $player->expand_cfpod ($cfpod)
1622 1643
1623Expand crossfire pod fragments into protocol xml. 1644Expand deliantra pod fragments into protocol xml.
1624
1625=cut
1626
1627use re 'eval';
1628
1629my $group;
1630my $interior; $interior = qr{
1631 # match a pod interior sequence sans C<< >>
1632 (?:
1633 \ (.*?)\ (?{ $group = $^N })
1634 | < (??{$interior}) >
1635 )
1636}x;
1637
1638sub expand_cfpod {
1639 my ($self, $pod) = @_;
1640
1641 my $xml;
1642
1643 while () {
1644 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1645 $group = $1;
1646
1647 $group =~ s/&/&amp;/g;
1648 $group =~ s/</&lt;/g;
1649
1650 $xml .= $group;
1651 } elsif ($pod =~ m%\G
1652 ([BCGHITU])
1653 <
1654 (?:
1655 ([^<>]*) (?{ $group = $^N })
1656 | < $interior >
1657 )
1658 >
1659 %gcsx
1660 ) {
1661 my ($code, $data) = ($1, $group);
1662
1663 if ($code eq "B") {
1664 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1665 } elsif ($code eq "I") {
1666 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1667 } elsif ($code eq "U") {
1668 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1669 } elsif ($code eq "C") {
1670 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1671 } elsif ($code eq "T") {
1672 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1673 } elsif ($code eq "G") {
1674 my ($male, $female) = split /\|/, $data;
1675 $data = $self->gender ? $female : $male;
1676 $xml .= expand_cfpod ($self, $data);
1677 } elsif ($code eq "H") {
1678 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1679 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1680 "")
1681 [$self->{hintmode}];
1682 } else {
1683 $xml .= "error processing '$code($data)' directive";
1684 }
1685 } else {
1686 if ($pod =~ /\G(.+)/) {
1687 warn "parse error while expanding $pod (at $1)";
1688 }
1689 last;
1690 }
1691 }
1692
1693 for ($xml) {
1694 # create single paragraphs (very hackish)
1695 s/(?<=\S)\n(?=\w)/ /g;
1696
1697 # compress some whitespace
1698 s/\s+\n/\n/g; # ws line-ends
1699 s/\n\n+/\n/g; # double lines
1700 s/^\n+//; # beginning lines
1701 s/\n+$//; # ending lines
1702 }
1703
1704 $xml
1705}
1706
1707no re 'eval';
1708
1709sub hintmode {
1710 $_[0]{hintmode} = $_[1] if @_ > 1;
1711 $_[0]{hintmode}
1712}
1713 1645
1714=item $player->ext_reply ($msgid, @msg) 1646=item $player->ext_reply ($msgid, @msg)
1715 1647
1716Sends an ext reply to the player. 1648Sends an ext reply to the player.
1717 1649
… …
1930 1862
1931 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go; 1863 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1932 "$UNIQUEDIR/$path" 1864 "$UNIQUEDIR/$path"
1933} 1865}
1934 1866
1935# and all this just because we cannot iterate over
1936# all maps in C++...
1937sub change_all_map_light {
1938 my ($change) = @_;
1939
1940 $_->change_map_light ($change)
1941 for grep $_->outdoor, values %cf::MAP;
1942}
1943
1944sub decay_objects { 1867sub decay_objects {
1945 my ($self) = @_; 1868 my ($self) = @_;
1946 1869
1947 return if $self->{deny_reset}; 1870 return if $self->{deny_reset};
1948 1871
… …
2030sub find { 1953sub find {
2031 my ($path, $origin) = @_; 1954 my ($path, $origin) = @_;
2032 1955
2033 $path = normalise $path, $origin && $origin->path; 1956 $path = normalise $path, $origin && $origin->path;
2034 1957
2035 cf::lock_wait "map_data:$path";#d#remove 1958 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2036 cf::lock_wait "map_find:$path"; 1959 my $guard2 = cf::lock_acquire "map_find:$path";
2037 1960
2038 $cf::MAP{$path} || do { 1961 $cf::MAP{$path} || do {
2039 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2040 my $guard2 = cf::lock_acquire "map_find:$path";
2041
2042 my $map = new_from_path cf::map $path 1962 my $map = new_from_path cf::map $path
2043 or return; 1963 or return;
2044 1964
2045 $map->{last_save} = $cf::RUNTIME; 1965 $map->{last_save} = $cf::RUNTIME;
2046 1966
… …
2086 my $f = new_from_file cf::object::thawer $self->{load_path}; 2006 my $f = new_from_file cf::object::thawer $self->{load_path};
2087 $f->skip_block; 2007 $f->skip_block;
2088 $self->_load_objects ($f) 2008 $self->_load_objects ($f)
2089 or return; 2009 or return;
2090 2010
2091 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2011 $self->post_load_original
2092 if delete $self->{load_original}; 2012 if delete $self->{load_original};
2093 2013
2094 if (my $uniq = $self->uniq_path) { 2014 if (my $uniq = $self->uniq_path) {
2095 utf8::encode $uniq; 2015 utf8::encode $uniq;
2096 unless (aio_stat $uniq) { 2016 unless (aio_stat $uniq) {
… …
2113 2033
2114 unless ($self->{deny_activate}) { 2034 unless ($self->{deny_activate}) {
2115 $self->decay_objects; 2035 $self->decay_objects;
2116 $self->fix_auto_apply; 2036 $self->fix_auto_apply;
2117 $self->update_buttons; 2037 $self->update_buttons;
2118 cf::cede_to_tick;
2119 $self->set_darkness_map;
2120 cf::cede_to_tick; 2038 cf::cede_to_tick;
2121 $self->activate; 2039 $self->activate;
2122 } 2040 }
2123 2041
2124 $self->{last_save} = $cf::RUNTIME; 2042 $self->{last_save} = $cf::RUNTIME;
… …
2531 2449
2532=item $player_object->enter_link 2450=item $player_object->enter_link
2533 2451
2534Freezes the player and moves him/her to a special map (C<{link}>). 2452Freezes the player and moves him/her to a special map (C<{link}>).
2535 2453
2536The player should be reasonably safe there for short amounts of time. You 2454The player should be reasonably safe there for short amounts of time (e.g.
2537I<MUST> call C<leave_link> as soon as possible, though. 2455for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2456though, as the palyer cannot control the character while it is on the link
2457map.
2538 2458
2539Will never block. 2459Will never block.
2540 2460
2541=item $player_object->leave_link ($map, $x, $y) 2461=item $player_object->leave_link ($map, $x, $y)
2542 2462
… …
2600 2520
2601 $map->load; 2521 $map->load;
2602 $map->load_neighbours; 2522 $map->load_neighbours;
2603 2523
2604 return unless $self->contr->active; 2524 return unless $self->contr->active;
2525 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2605 $self->activate_recursive; 2526 $self->activate_recursive;
2606 2527
2607 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2528 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2608 $self->enter_map ($map, $x, $y); 2529 $self->enter_map ($map, $x, $y);
2609} 2530}
… …
2613Moves the player to the given map-path and coordinates by first freezing 2534Moves the player to the given map-path and coordinates by first freezing
2614her, loading and preparing them map, calling the provided $check callback 2535her, loading and preparing them map, calling the provided $check callback
2615that has to return the map if sucecssful, and then unfreezes the player on 2536that has to return the map if sucecssful, and then unfreezes the player on
2616the new (success) or old (failed) map position. In either case, $done will 2537the new (success) or old (failed) map position. In either case, $done will
2617be called at the end of this process. 2538be called at the end of this process.
2539
2540Note that $check will be called with a potentially non-loaded map, so if
2541it needs a loaded map it has to call C<< ->load >>.
2618 2542
2619=cut 2543=cut
2620 2544
2621our $GOTOGEN; 2545our $GOTOGEN;
2622 2546
… …
2769 $self->contr->savebed ($map, $x, $y) 2693 $self->contr->savebed ($map, $x, $y)
2770 if $exit->flag (cf::FLAG_DAMNED); 2694 if $exit->flag (cf::FLAG_DAMNED);
2771 2695
2772 1 2696 1
2773 }) { 2697 }) {
2774 $self->message ("Something went wrong deep within the crossfire server. " 2698 $self->message ("Something went wrong deep within the deliantra server. "
2775 . "I'll try to bring you back to the map you were before. " 2699 . "I'll try to bring you back to the map you were before. "
2776 . "Please report this to the dungeon master!", 2700 . "Please report this to the dungeon master!",
2777 cf::NDI_UNIQUE | cf::NDI_RED); 2701 cf::NDI_UNIQUE | cf::NDI_RED);
2778 2702
2779 warn "ERROR in enter_exit: $@"; 2703 warn "ERROR in enter_exit: $@";
… …
2845 id => "infobox", 2769 id => "infobox",
2846 title => "Body Parts", 2770 title => "Body Parts",
2847 reply => undef, 2771 reply => undef,
2848 tooltip => "Shows which body parts you posess and are available", 2772 tooltip => "Shows which body parts you posess and are available",
2849 }, 2773 },
2774 "c/statistics" => {
2775 id => "infobox",
2776 title => "Statistics",
2777 reply => undef,
2778 tooltip => "Shows your primary statistics",
2779 },
2780 "c/skills" => {
2781 id => "infobox",
2782 title => "Skills",
2783 reply => undef,
2784 tooltip => "Shows your experience per skill and item power",
2785 },
2786 "c/resistances" => {
2787 id => "infobox",
2788 title => "Resistances",
2789 reply => undef,
2790 tooltip => "Shows your resistances",
2791 },
2792 "c/pets" => {
2793 id => "infobox",
2794 title => "Pets",
2795 reply => undef,
2796 tooltip => "Shows information abotu your pets/a specific pet",
2797 },
2850 "c/uptime" => { 2798 "c/uptime" => {
2851 id => "infobox", 2799 id => "infobox",
2852 title => "Uptime", 2800 title => "Uptime",
2853 reply => undef, 2801 reply => undef,
2854 tooltip => "How long the server has been running since last restart", 2802 tooltip => "How long the server has been running since last restart",
… …
2863 id => "party", 2811 id => "party",
2864 title => "Party", 2812 title => "Party",
2865 reply => "gsay ", 2813 reply => "gsay ",
2866 tooltip => "Messages and chat related to your party", 2814 tooltip => "Messages and chat related to your party",
2867 }, 2815 },
2816 "c/death" => {
2817 id => "death",
2818 title => "Death",
2819 reply => undef,
2820 tooltip => "Reason for and more info about your most recent death",
2821 },
2822 "c/say" => $SAY_CHANNEL,
2823 "c/chat" => $CHAT_CHANNEL,
2868); 2824);
2869 2825
2870sub cf::client::send_msg { 2826sub cf::client::send_msg {
2871 my ($self, $channel, $msg, $color, @extra) = @_; 2827 my ($self, $channel, $msg, $color, @extra) = @_;
2872 2828
2873 $msg = $self->pl->expand_cfpod ($msg); 2829 $msg = $self->pl->expand_cfpod ($msg)
2830 unless $color & cf::NDI_VERBATIM;
2874 2831
2875 $color &= cf::NDI_CLIENT_MASK; # just in case... 2832 $color &= cf::NDI_CLIENT_MASK; # just in case...
2876 2833
2877 # check predefined channels, for the benefit of C 2834 # check predefined channels, for the benefit of C
2878 if ($CHANNEL{$channel}) { 2835 if ($CHANNEL{$channel}) {
2879 $channel = $CHANNEL{$channel}; 2836 $channel = $CHANNEL{$channel};
2880 2837
2881 $self->ext_msg (channel_info => $channel) 2838 $self->ext_msg (channel_info => $channel);
2882 if $self->can_msg;
2883
2884 $channel = $channel->{id}; 2839 $channel = $channel->{id};
2885 2840
2886 } elsif (ref $channel) { 2841 } elsif (ref $channel) {
2887 # send meta info to client, if not yet sent 2842 # send meta info to client, if not yet sent
2888 unless (exists $self->{channel}{$channel->{id}}) { 2843 unless (exists $self->{channel}{$channel->{id}}) {
2889 $self->{channel}{$channel->{id}} = $channel; 2844 $self->{channel}{$channel->{id}} = $channel;
2890 $self->ext_msg (channel_info => $channel) 2845 $self->ext_msg (channel_info => $channel);
2891 if $self->can_msg;
2892 } 2846 }
2893 2847
2894 $channel = $channel->{id}; 2848 $channel = $channel->{id};
2895 } 2849 }
2896 2850
2897 return unless @extra || length $msg; 2851 return unless @extra || length $msg;
2898 2852
2899 if ($self->can_msg) {
2900 # default colour, mask it out 2853 # default colour, mask it out
2901 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2854 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2902 if $color & cf::NDI_DEF; 2855 if $color & cf::NDI_DEF;
2903 2856
2904 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2857 my $pkt = "msg "
2858 . $self->{json_coder}->encode (
2905 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2859 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2906 } else { 2860 );
2907 if ($color >= 0) {
2908 # replace some tags by gcfclient-compatible ones
2909 for ($msg) {
2910 1 while
2911 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2912 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2913 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2914 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2915 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2916 }
2917 2861
2918 $color &= cf::NDI_COLOR_MASK; 2862 # try lzf for large packets
2863 $pkt = "lzf " . Compress::LZF::compress $pkt
2864 if 1024 <= length $pkt and $self->{can_lzf};
2919 2865
2920 utf8::encode $msg; 2866 # split very large packets
2921 2867 if (8192 < length $pkt and $self->{can_lzf}) {
2922 if (0 && $msg =~ /\[/) { 2868 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2923 # COMMAND/INFO 2869 $pkt = "frag";
2924 $self->send_packet ("drawextinfo $color 10 8 $msg")
2925 } else {
2926 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2927 $self->send_packet ("drawinfo $color $msg")
2928 }
2929 }
2930 } 2870 }
2871
2872 $self->send_packet ($pkt);
2931} 2873}
2932 2874
2933=item $client->ext_msg ($type, @msg) 2875=item $client->ext_msg ($type, @msg)
2934 2876
2935Sends an ext event to the client. 2877Sends an ext event to the client.
… …
3125=cut 3067=cut
3126 3068
3127for ( 3069for (
3128 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3070 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3129 insert remove inv nrof name archname title slaying race 3071 insert remove inv nrof name archname title slaying race
3130 decrease split destroy)], 3072 decrease split destroy change_exp)],
3131 ["cf::object::player" => qw(player)], 3073 ["cf::object::player" => qw(player)],
3132 ["cf::player" => qw(peaceful)], 3074 ["cf::player" => qw(peaceful)],
3133 ["cf::map" => qw(trigger)], 3075 ["cf::map" => qw(trigger)],
3134) { 3076) {
3135 no strict 'refs'; 3077 no strict 'refs';
… …
3393 reload_treasures; 3335 reload_treasures;
3394 3336
3395 warn "finished reloading resource files\n"; 3337 warn "finished reloading resource files\n";
3396} 3338}
3397 3339
3398sub init {
3399 my $guard = freeze_mainloop;
3400
3401 evthread_start IO::AIO::poll_fileno;
3402
3403 reload_resources;
3404}
3405
3406sub reload_config { 3340sub reload_config {
3407 open my $fh, "<:utf8", "$CONFDIR/config" 3341 open my $fh, "<:utf8", "$CONFDIR/config"
3408 or return; 3342 or return;
3409 3343
3410 local $/; 3344 local $/;
… …
3422 }; 3356 };
3423 warn $@ if $@; 3357 warn $@ if $@;
3424 } 3358 }
3425} 3359}
3426 3360
3361sub pidfile() {
3362 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3363 or die "$PIDFILE: $!";
3364 flock $fh, &Fcntl::LOCK_EX
3365 or die "$PIDFILE: flock: $!";
3366 $fh
3367}
3368
3369# make sure only one server instance is running at any one time
3370sub atomic {
3371 my $fh = pidfile;
3372
3373 my $pid = <$fh>;
3374 kill 9, $pid if $pid > 0;
3375
3376 seek $fh, 0, 0;
3377 print $fh $$;
3378}
3379
3427sub main { 3380sub main {
3381 cf::init_globals; # initialise logging
3382
3383 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3384 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3385 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3386 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3387
3388 cf::init_experience;
3389 cf::init_anim;
3390 cf::init_attackmess;
3391 cf::init_dynamic;
3392
3393 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3394
3428 # we must not ever block the main coroutine 3395 # we must not ever block the main coroutine
3429 local $Coro::idle = sub { 3396 local $Coro::idle = sub {
3430 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3397 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3431 (async { 3398 (async {
3432 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3399 $Coro::current->{desc} = "IDLE BUG HANDLER";
3433 EV::loop EV::LOOP_ONESHOT; 3400 EV::loop EV::LOOP_ONESHOT;
3434 })->prio (Coro::PRIO_MAX); 3401 })->prio (Coro::PRIO_MAX);
3435 }; 3402 };
3436 3403
3437 { 3404 evthread_start IO::AIO::poll_fileno;
3438 my $guard = freeze_mainloop; 3405
3406 cf::sync_job {
3407 reload_resources;
3439 reload_config; 3408 reload_config;
3440 db_init; 3409 db_init;
3410
3411 cf::load_settings;
3412 cf::load_materials;
3413 cf::init_uuid;
3414 cf::init_signals;
3415 cf::init_commands;
3416 cf::init_skills;
3417
3418 cf::init_beforeplay;
3419
3420 atomic;
3421
3441 load_extensions; 3422 load_extensions;
3442 3423
3443 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3424 utime time, time, $RUNTIMEFILE;
3425
3426 # no (long-running) fork's whatsoever before this point(!)
3427 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3428
3429 (pop @POST_INIT)->(0) while @POST_INIT;
3444 } 3430 };
3445 3431
3446 EV::loop; 3432 EV::loop;
3447} 3433}
3448 3434
3449############################################################################# 3435#############################################################################
… …
3458 }; 3444 };
3459 } 3445 }
3460} 3446}
3461 3447
3462sub write_runtime_sync { 3448sub write_runtime_sync {
3463 my $runtime = "$LOCALDIR/runtime";
3464
3465 # first touch the runtime file to show we are still running: 3449 # first touch the runtime file to show we are still running:
3466 # the fsync below can take a very very long time. 3450 # the fsync below can take a very very long time.
3467 3451
3468 IO::AIO::aio_utime $runtime, undef, undef; 3452 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3469 3453
3470 my $guard = cf::lock_acquire "write_runtime"; 3454 my $guard = cf::lock_acquire "write_runtime";
3471 3455
3472 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3456 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3473 or return; 3457 or return;
3474 3458
3475 my $value = $cf::RUNTIME + 90 + 10; 3459 my $value = $cf::RUNTIME + 90 + 10;
3476 # 10 is the runtime save interval, for a monotonic clock 3460 # 10 is the runtime save interval, for a monotonic clock
3477 # 60 allows for the watchdog to kill the server. 3461 # 60 allows for the watchdog to kill the server.
… …
3487 aio_utime $fh, undef, undef; 3471 aio_utime $fh, undef, undef;
3488 3472
3489 close $fh 3473 close $fh
3490 or return; 3474 or return;
3491 3475
3492 aio_rename "$runtime~", $runtime 3476 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3493 and return; 3477 and return;
3494 3478
3495 warn "runtime file written.\n"; 3479 warn "runtime file written.\n";
3496 3480
3497 1 3481 1
… …
3509 my $uuid = "$LOCALDIR/uuid"; 3493 my $uuid = "$LOCALDIR/uuid";
3510 3494
3511 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644 3495 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3512 or return; 3496 or return;
3513 3497
3514 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur; 3498 my $value = uuid_seq uuid_cur;
3499
3500 unless ($value) {
3501 warn "cowardly refusing to write zero uuid value!\n";
3502 return;
3503 }
3504
3505 my $value = uuid_str $value + $uuid_skip;
3515 $uuid_skip = 0; 3506 $uuid_skip = 0;
3516 3507
3517 (aio_write $fh, 0, (length $value), $value, 0) <= 0 3508 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3518 and return; 3509 and return;
3519 3510
… …
3541} 3532}
3542 3533
3543sub emergency_save() { 3534sub emergency_save() {
3544 my $freeze_guard = cf::freeze_mainloop; 3535 my $freeze_guard = cf::freeze_mainloop;
3545 3536
3546 warn "enter emergency perl save\n"; 3537 warn "emergency_perl_save: enter\n";
3547 3538
3548 cf::sync_job { 3539 cf::sync_job {
3540 # this is a trade-off: we want to be very quick here, so
3541 # save all maps without fsync, and later call a global sync
3542 # (which in turn might be very very slow)
3543 local $USE_FSYNC = 0;
3544
3549 # use a peculiar iteration method to avoid tripping on perl 3545 # use a peculiar iteration method to avoid tripping on perl
3550 # refcount bugs in for. also avoids problems with players 3546 # refcount bugs in for. also avoids problems with players
3551 # and maps saved/destroyed asynchronously. 3547 # and maps saved/destroyed asynchronously.
3552 warn "begin emergency player save\n"; 3548 warn "emergency_perl_save: begin player save\n";
3553 for my $login (keys %cf::PLAYER) { 3549 for my $login (keys %cf::PLAYER) {
3554 my $pl = $cf::PLAYER{$login} or next; 3550 my $pl = $cf::PLAYER{$login} or next;
3555 $pl->valid or next; 3551 $pl->valid or next;
3556 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3552 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3557 $pl->save; 3553 $pl->save;
3558 } 3554 }
3559 warn "end emergency player save\n"; 3555 warn "emergency_perl_save: end player save\n";
3560 3556
3561 warn "begin emergency map save\n"; 3557 warn "emergency_perl_save: begin map save\n";
3562 for my $path (keys %cf::MAP) { 3558 for my $path (keys %cf::MAP) {
3563 my $map = $cf::MAP{$path} or next; 3559 my $map = $cf::MAP{$path} or next;
3564 $map->valid or next; 3560 $map->valid or next;
3565 $map->save; 3561 $map->save;
3566 } 3562 }
3567 warn "end emergency map save\n"; 3563 warn "emergency_perl_save: end map save\n";
3568 3564
3569 warn "begin emergency database checkpoint\n"; 3565 warn "emergency_perl_save: begin database checkpoint\n";
3570 BDB::db_env_txn_checkpoint $DB_ENV; 3566 BDB::db_env_txn_checkpoint $DB_ENV;
3571 warn "end emergency database checkpoint\n"; 3567 warn "emergency_perl_save: end database checkpoint\n";
3572 3568
3573 warn "begin write uuid\n"; 3569 warn "emergency_perl_save: begin write uuid\n";
3574 write_uuid_sync 1; 3570 write_uuid_sync 1;
3575 warn "end write uuid\n"; 3571 warn "emergency_perl_save: end write uuid\n";
3576 }; 3572 };
3577 3573
3574 warn "emergency_perl_save: starting sync()\n";
3575 IO::AIO::aio_sync sub {
3576 warn "emergency_perl_save: finished sync()\n";
3577 };
3578
3578 warn "leave emergency perl save\n"; 3579 warn "emergency_perl_save: leave\n";
3579} 3580}
3580 3581
3581sub post_cleanup { 3582sub post_cleanup {
3582 my ($make_core) = @_; 3583 my ($make_core) = @_;
3583 3584
3584 warn Carp::longmess "post_cleanup backtrace" 3585 warn Carp::longmess "post_cleanup backtrace"
3585 if $make_core; 3586 if $make_core;
3587
3588 my $fh = pidfile;
3589 unlink $PIDFILE if <$fh> == $$;
3590}
3591
3592# a safer delete_package, copied from Symbol
3593sub clear_package($) {
3594 my $pkg = shift;
3595
3596 # expand to full symbol table name if needed
3597 unless ($pkg =~ /^main::.*::$/) {
3598 $pkg = "main$pkg" if $pkg =~ /^::/;
3599 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3600 $pkg .= '::' unless $pkg =~ /::$/;
3601 }
3602
3603 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3604 my $stem_symtab = *{$stem}{HASH};
3605
3606 defined $stem_symtab and exists $stem_symtab->{$leaf}
3607 or return;
3608
3609 # clear all symbols
3610 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3611 for my $name (keys %$leaf_symtab) {
3612 _gv_clear *{"$pkg$name"};
3613# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3614 }
3615 warn "cleared package $pkg\n";#d#
3586} 3616}
3587 3617
3588sub do_reload_perl() { 3618sub do_reload_perl() {
3589 # can/must only be called in main 3619 # can/must only be called in main
3590 if ($Coro::current != $Coro::main) { 3620 if ($Coro::current != $Coro::main) {
3591 warn "can only reload from main coroutine"; 3621 warn "can only reload from main coroutine";
3592 return; 3622 return;
3593 } 3623 }
3594 3624
3625 return if $RELOAD++;
3626
3627 my $t1 = EV::time;
3628
3629 while ($RELOAD) {
3595 warn "reloading..."; 3630 warn "reloading...";
3596 3631
3597 warn "entering sync_job"; 3632 warn "entering sync_job";
3598 3633
3599 cf::sync_job { 3634 cf::sync_job {
3600 cf::write_runtime_sync; # external watchdog should not bark 3635 cf::write_runtime_sync; # external watchdog should not bark
3601 cf::emergency_save; 3636 cf::emergency_save;
3602 cf::write_runtime_sync; # external watchdog should not bark 3637 cf::write_runtime_sync; # external watchdog should not bark
3603 3638
3604 warn "syncing database to disk"; 3639 warn "syncing database to disk";
3605 BDB::db_env_txn_checkpoint $DB_ENV; 3640 BDB::db_env_txn_checkpoint $DB_ENV;
3606 3641
3607 # if anything goes wrong in here, we should simply crash as we already saved 3642 # if anything goes wrong in here, we should simply crash as we already saved
3608 3643
3609 warn "flushing outstanding aio requests"; 3644 warn "flushing outstanding aio requests";
3610 for (;;) {
3611 BDB::flush;
3612 IO::AIO::flush;
3613 Coro::cede_notself;
3614 last unless IO::AIO::nreqs || BDB::nreqs; 3645 while (IO::AIO::nreqs || BDB::nreqs) {
3615 warn "iterate..."; 3646 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3616 }
3617
3618 ++$RELOAD;
3619
3620 warn "cancelling all extension coros";
3621 $_->cancel for values %EXT_CORO;
3622 %EXT_CORO = ();
3623
3624 warn "removing commands";
3625 %COMMAND = ();
3626
3627 warn "removing ext/exti commands";
3628 %EXTCMD = ();
3629 %EXTICMD = ();
3630
3631 warn "unloading/nuking all extensions";
3632 for my $pkg (@EXTS) {
3633 warn "... unloading $pkg";
3634
3635 if (my $cb = $pkg->can ("unload")) {
3636 eval {
3637 $cb->($pkg);
3638 1
3639 } or warn "$pkg unloaded, but with errors: $@";
3640 } 3647 }
3641 3648
3642 warn "... nuking $pkg"; 3649 warn "cancelling all extension coros";
3643 Symbol::delete_package $pkg; 3650 $_->cancel for values %EXT_CORO;
3644 } 3651 %EXT_CORO = ();
3645 3652
3646 warn "unloading all perl modules loaded from $LIBDIR"; 3653 warn "removing commands";
3647 while (my ($k, $v) = each %INC) { 3654 %COMMAND = ();
3648 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3649 3655
3656 warn "removing ext/exti commands";
3657 %EXTCMD = ();
3658 %EXTICMD = ();
3659
3660 warn "unloading/nuking all extensions";
3661 for my $pkg (@EXTS) {
3650 warn "... unloading $k"; 3662 warn "... unloading $pkg";
3651 delete $INC{$k};
3652 3663
3653 $k =~ s/\.pm$//;
3654 $k =~ s/\//::/g;
3655
3656 if (my $cb = $k->can ("unload_module")) { 3664 if (my $cb = $pkg->can ("unload")) {
3665 eval {
3657 $cb->(); 3666 $cb->($pkg);
3667 1
3668 } or warn "$pkg unloaded, but with errors: $@";
3669 }
3670
3671 warn "... clearing $pkg";
3672 clear_package $pkg;
3658 } 3673 }
3659 3674
3660 Symbol::delete_package $k; 3675 warn "unloading all perl modules loaded from $LIBDIR";
3676 while (my ($k, $v) = each %INC) {
3677 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3678
3679 warn "... unloading $k";
3680 delete $INC{$k};
3681
3682 $k =~ s/\.pm$//;
3683 $k =~ s/\//::/g;
3684
3685 if (my $cb = $k->can ("unload_module")) {
3686 $cb->();
3687 }
3688
3689 clear_package $k;
3661 } 3690 }
3662 3691
3663 warn "getting rid of safe::, as good as possible"; 3692 warn "getting rid of safe::, as good as possible";
3664 Symbol::delete_package "safe::$_" 3693 clear_package "safe::$_"
3665 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3694 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3666 3695
3667 warn "unloading cf.pm \"a bit\""; 3696 warn "unloading cf.pm \"a bit\"";
3668 delete $INC{"cf.pm"}; 3697 delete $INC{"cf.pm"};
3669 delete $INC{"cf/pod.pm"}; 3698 delete $INC{"cf/pod.pm"};
3670 3699
3671 # don't, removes xs symbols, too, 3700 # don't, removes xs symbols, too,
3672 # and global variables created in xs 3701 # and global variables created in xs
3673 #Symbol::delete_package __PACKAGE__; 3702 #clear_package __PACKAGE__;
3674 3703
3675 warn "unload completed, starting to reload now"; 3704 warn "unload completed, starting to reload now";
3676 3705
3677 warn "reloading cf.pm"; 3706 warn "reloading cf.pm";
3678 require cf; 3707 require cf;
3679 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3708 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3680 3709
3681 warn "loading config and database again"; 3710 warn "loading config and database again";
3682 cf::reload_config; 3711 cf::reload_config;
3683 3712
3684 warn "loading extensions"; 3713 warn "loading extensions";
3685 cf::load_extensions; 3714 cf::load_extensions;
3686 3715
3716 if ($REATTACH_ON_RELOAD) {
3687 warn "reattaching attachments to objects/players"; 3717 warn "reattaching attachments to objects/players";
3688 _global_reattach; # objects, sockets 3718 _global_reattach; # objects, sockets
3689 warn "reattaching attachments to maps"; 3719 warn "reattaching attachments to maps";
3690 reattach $_ for values %MAP; 3720 reattach $_ for values %MAP;
3691 warn "reattaching attachments to players"; 3721 warn "reattaching attachments to players";
3692 reattach $_ for values %PLAYER; 3722 reattach $_ for values %PLAYER;
3723 }
3693 3724
3725 warn "running post_init jobs";
3726 (pop @POST_INIT)->(1) while @POST_INIT;
3727
3694 warn "leaving sync_job"; 3728 warn "leaving sync_job";
3695 3729
3696 1 3730 1
3697 } or do { 3731 } or do {
3698 warn $@; 3732 warn $@;
3699 cf::cleanup "error while reloading, exiting."; 3733 cf::cleanup "error while reloading, exiting.";
3700 }; 3734 };
3701 3735
3702 warn "reloaded"; 3736 warn "reloaded";
3737 --$RELOAD;
3738 }
3739
3740 $t1 = EV::time - $t1;
3741 warn "reload completed in ${t1}s\n";
3703}; 3742};
3704 3743
3705our $RELOAD_WATCHER; # used only during reload 3744our $RELOAD_WATCHER; # used only during reload
3706 3745
3707sub reload_perl() { 3746sub reload_perl() {
3708 # doing reload synchronously and two reloads happen back-to-back, 3747 # doing reload synchronously and two reloads happen back-to-back,
3709 # coro crashes during coro_state_free->destroy here. 3748 # coro crashes during coro_state_free->destroy here.
3710 3749
3750 $RELOAD_WATCHER ||= cf::async {
3751 Coro::AIO::aio_wait cache_extensions;
3752
3711 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3753 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3712 do_reload_perl; 3754 do_reload_perl;
3713 undef $RELOAD_WATCHER; 3755 undef $RELOAD_WATCHER;
3756 };
3714 }; 3757 };
3715} 3758}
3716 3759
3717register_command "reload" => sub { 3760register_command "reload" => sub {
3718 my ($who, $arg) = @_; 3761 my ($who, $arg) = @_;
… …
3793 BDB::max_poll_reqs $TICK * 0.1; 3836 BDB::max_poll_reqs $TICK * 0.1;
3794 $AnyEvent::BDB::WATCHER->priority (1); 3837 $AnyEvent::BDB::WATCHER->priority (1);
3795 3838
3796 unless ($DB_ENV) { 3839 unless ($DB_ENV) {
3797 $DB_ENV = BDB::db_env_create; 3840 $DB_ENV = BDB::db_env_create;
3798 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3841 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3799 | BDB::LOG_AUTOREMOVE, 1); 3842 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3843 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3800 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT); 3844 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3801 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT); 3845 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3802 3846
3803 cf::sync_job { 3847 cf::sync_job {
3804 eval { 3848 eval {
… …
3843 $msg =~ s/\n//; 3887 $msg =~ s/\n//;
3844 3888
3845 # limit the # of concurrent backtraces 3889 # limit the # of concurrent backtraces
3846 if ($_log_backtrace < 2) { 3890 if ($_log_backtrace < 2) {
3847 ++$_log_backtrace; 3891 ++$_log_backtrace;
3892 my $perl_bt = Carp::longmess $msg;
3848 async { 3893 async {
3849 $Coro::current->{desc} = "abt $msg"; 3894 $Coro::current->{desc} = "abt $msg";
3850 3895
3851 my @bt = fork_call { 3896 my @bt = fork_call {
3852 @addr = map { sprintf "%x", $_ } @addr; 3897 @addr = map { sprintf "%x", $_ } @addr;
… …
3863 } 3908 }
3864 3909
3865 @funcs 3910 @funcs
3866 }; 3911 };
3867 3912
3868 LOG llevInfo, "[ABT] $msg\n"; 3913 LOG llevInfo, "[ABT] $perl_bt\n";
3914 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3869 LOG llevInfo, "[ABT] $_\n" for @bt; 3915 LOG llevInfo, "[ABT] $_\n" for @bt;
3870 --$_log_backtrace; 3916 --$_log_backtrace;
3871 }; 3917 };
3872 } else { 3918 } else {
3873 LOG llevInfo, "[ABT] $msg\n"; 3919 LOG llevInfo, "[ABT] $msg\n";

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