ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.433 by root, Sat May 10 22:38:52 2008 UTC vs.
Revision 1.470 by root, Sun Apr 26 19:42:45 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 qw(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;
39use Coro::EV; 41use Coro::EV;
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;
100our $USE_FSYNC = 1; # use fsync to write maps - default off 110our $USE_FSYNC = 1; # use fsync to write maps - default on
101 111
102our $BDB_DEADLOCK_WATCHER; 112our $BDB_DEADLOCK_WATCHER;
103our $BDB_CHECKPOINT_WATCHER; 113our $BDB_CHECKPOINT_WATCHER;
104our $BDB_TRICKLE_WATCHER; 114our $BDB_TRICKLE_WATCHER;
105our $DB_ENV; 115our $DB_ENV;
106 116
117our @EXTRA_MODULES = qw(pod mapscript);
118
107our %CFG; 119our %CFG;
108 120
109our $UPTIME; $UPTIME ||= time; 121our $UPTIME; $UPTIME ||= time;
110our $RUNTIME; 122our $RUNTIME;
111our $NOW; 123our $NOW;
120our $LOAD; # a number between 0 (idle) and 1 (too many objects) 132our $LOAD; # a number between 0 (idle) and 1 (too many objects)
121our $LOADAVG; # same thing, but with alpha-smoothing 133our $LOADAVG; # same thing, but with alpha-smoothing
122our $JITTER; # average jitter 134our $JITTER; # average jitter
123our $TICK_START; # for load detecting purposes 135our $TICK_START; # for load detecting purposes
124 136
137our @POST_INIT;
138
139our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
140
125binmode STDOUT; 141binmode STDOUT;
126binmode STDERR; 142binmode STDERR;
127 143
128# read virtual server time, if available 144# read virtual server time, if available
129unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 145unless ($RUNTIME || !-e $RUNTIMEFILE) {
130 open my $fh, "<", "$LOCALDIR/runtime" 146 open my $fh, "<", $RUNTIMEFILE
131 or die "unable to read runtime file: $!"; 147 or die "unable to read $RUNTIMEFILE file: $!";
132 $RUNTIME = <$fh> + 0.; 148 $RUNTIME = <$fh> + 0.;
133} 149}
150
151eval "sub TICK() { $TICK } 1" or die;
134 152
135mkdir $_ 153mkdir $_
136 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 154 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
137 155
138our $EMERGENCY_POSITION; 156our $EMERGENCY_POSITION;
243for my $pkg (qw( 261for my $pkg (qw(
244 cf::global cf::attachable 262 cf::global cf::attachable
245 cf::object cf::object::player 263 cf::object cf::object::player
246 cf::client cf::player 264 cf::client cf::player
247 cf::arch cf::living 265 cf::arch cf::living
266 cf::map cf::mapspace
248 cf::map cf::party cf::region 267 cf::party cf::region
249)) { 268)) {
250 no strict 'refs';
251 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 269 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
252} 270}
253 271
254$EV::DIED = sub { 272$EV::DIED = sub {
255 warn "error in event callback: @_"; 273 warn "error in event callback: @_";
297our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 315our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
298 316
299sub encode_json($) { $json_coder->encode ($_[0]) } 317sub encode_json($) { $json_coder->encode ($_[0]) }
300sub decode_json($) { $json_coder->decode ($_[0]) } 318sub decode_json($) { $json_coder->decode ($_[0]) }
301 319
320=item cf::post_init { BLOCK }
321
322Execute the given codeblock, I<after> all extensions have been (re-)loaded,
323but I<before> the server starts ticking again.
324
325The cdoeblock will have a single boolean argument to indicate whether this
326is a reload or not.
327
328=cut
329
330sub post_init(&) {
331 push @POST_INIT, shift;
332}
333
302=item cf::lock_wait $string 334=item cf::lock_wait $string
303 335
304Wait until the given lock is available. See cf::lock_acquire. 336Wait until the given lock is available. See cf::lock_acquire.
305 337
306=item my $lock = cf::lock_acquire $string 338=item my $lock = cf::lock_acquire $string
307 339
308Wait until the given lock is available and then acquires it and returns 340Wait 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, 341a L<Guard> object. If the guard object gets destroyed (goes out of scope,
310for example when the coroutine gets canceled), the lock is automatically 342for example when the coroutine gets canceled), the lock is automatically
311returned. 343returned.
312 344
313Locks are *not* recursive, locking from the same coro twice results in a 345Locks are *not* recursive, locking from the same coro twice results in a
314deadlocked coro. 346deadlocked coro.
320 352
321Return true if the lock is currently active, i.e. somebody has locked it. 353Return true if the lock is currently active, i.e. somebody has locked it.
322 354
323=cut 355=cut
324 356
325our %LOCK; 357our $LOCKS = new Coro::SemaphoreSet;
326our %LOCKER;#d#
327 358
328sub lock_wait($) { 359sub lock_wait($) {
329 my ($key) = @_; 360 $LOCKS->wait ($_[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} }, $Coro::current;
339 Coro::schedule;
340 }
341} 361}
342 362
343sub lock_acquire($) { 363sub lock_acquire($) {
344 my ($key) = @_; 364 $LOCKS->guard ($_[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} 365}
358 366
359sub lock_active($) { 367sub lock_active($) {
360 my ($key) = @_; 368 $LOCKS->count ($_[0]) < 1
361
362 ! ! $LOCK{$key}
363} 369}
364 370
365sub freeze_mainloop { 371sub freeze_mainloop {
366 tick_inhibit_inc; 372 tick_inhibit_inc;
367 373
368 Coro::guard \&tick_inhibit_dec; 374 &Guard::guard (\&tick_inhibit_dec);
369} 375}
370 376
371=item cf::periodic $interval, $cb 377=item cf::periodic $interval, $cb
372 378
373Like EV::periodic, but randomly selects a starting point so that the actions 379Like EV::periodic, but randomly selects a starting point so that the actions
725 731
726############################################################################# 732#############################################################################
727 733
728=head2 ATTACHABLE OBJECTS 734=head2 ATTACHABLE OBJECTS
729 735
730Many objects in crossfire are so-called attachable objects. That means you can 736Many objects in deliantra are so-called attachable objects. That means you can
731attach callbacks/event handlers (a collection of which is called an "attachment") 737attach callbacks/event handlers (a collection of which is called an "attachment")
732to it. All such attachable objects support the following methods. 738to it. All such attachable objects support the following methods.
733 739
734In the following description, CLASS can be any of C<global>, C<object> 740In 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 741C<player>, C<client> or C<map> (i.e. the attachable objects in
785=item cf::CLASS::attachment $name, ... 791=item cf::CLASS::attachment $name, ...
786 792
787Register an attachment by C<$name> through which attachable objects of the 793Register an attachment by C<$name> through which attachable objects of the
788given CLASS can refer to this attachment. 794given CLASS can refer to this attachment.
789 795
790Some classes such as crossfire maps and objects can specify attachments 796Some classes such as deliantra maps and objects can specify attachments
791that are attached at load/instantiate time, thus the need for a name. 797that are attached at load/instantiate time, thus the need for a name.
792 798
793These calls expect any number of the following handler/hook descriptions: 799These calls expect any number of the following handler/hook descriptions:
794 800
795=over 4 801=over 4
1086 1092
1087sub reattach { 1093sub reattach {
1088 # basically do the same as instantiate, without calling instantiate 1094 # basically do the same as instantiate, without calling instantiate
1089 my ($obj) = @_; 1095 my ($obj) = @_;
1090 1096
1097 # no longer needed after getting rid of delete_package?
1091 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1098 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1092 1099
1093 my $registry = $obj->registry; 1100 my $registry = $obj->registry;
1094 1101
1095 @$registry = (); 1102 @$registry = ();
1096 1103
1161 } else { 1168 } else {
1162 aio_unlink "$filename.pst"; 1169 aio_unlink "$filename.pst";
1163 } 1170 }
1164 1171
1165 aio_rename "$filename~", $filename; 1172 aio_rename "$filename~", $filename;
1173
1174 $filename =~ s%/[^/]+$%%;
1175 aio_pathsync $filename if $cf::USE_FSYNC;
1166 } else { 1176 } else {
1167 warn "FATAL: $filename~: $!\n"; 1177 warn "unable to save objects: $filename~: $!\n";
1168 } 1178 }
1169 } else { 1179 } else {
1170 aio_unlink $filename; 1180 aio_unlink $filename;
1171 aio_unlink "$filename.pst"; 1181 aio_unlink "$filename.pst";
1172 } 1182 }
1263 my ($name, $cb) = @_; 1273 my ($name, $cb) = @_;
1264 1274
1265 $EXTICMD{$name} = $cb; 1275 $EXTICMD{$name} = $cb;
1266} 1276}
1267 1277
1278use File::Glob ();
1279
1268cf::player->attach ( 1280cf::player->attach (
1269 on_command => sub { 1281 on_command => sub {
1270 my ($pl, $name, $params) = @_; 1282 my ($pl, $name, $params) = @_;
1271 1283
1272 my $cb = $COMMAND{$name} 1284 my $cb = $COMMAND{$name}
1304 1316
1305 cf::override; 1317 cf::override;
1306 }, 1318 },
1307); 1319);
1308 1320
1321# "readahead" all extensions
1322sub cache_extensions {
1323 my $grp = IO::AIO::aio_group;
1324
1325 add $grp IO::AIO::aio_readdir $LIBDIR, sub {
1326 for (grep /\.ext$/, @{$_[0]}) {
1327 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1328 }
1329 };
1330
1331 $grp
1332}
1333
1309sub load_extensions { 1334sub load_extensions {
1310 cf::sync_job { 1335 cf::sync_job {
1311 my %todo; 1336 my %todo;
1312 1337
1313 for my $path (<$LIBDIR/*.ext>) { 1338 for my $path (<$LIBDIR/*.ext>) {
1332 1357
1333 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1358 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1334 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1359 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1335 1360
1336 $ext{source} = 1361 $ext{source} =
1337 "package $pkg; use strict; use utf8;\n" 1362 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1338 . "#line 1 \"$path\"\n{\n" 1363 . "#line 1 \"$path\"\n{\n"
1339 . $source 1364 . $source
1340 . "\n};\n1"; 1365 . "\n};\n1";
1341 1366
1342 $todo{$base} = \%ext; 1367 $todo{$base} = \%ext;
1382 1407
1383=back 1408=back
1384 1409
1385=head2 CORE EXTENSIONS 1410=head2 CORE EXTENSIONS
1386 1411
1387Functions and methods that extend core crossfire objects. 1412Functions and methods that extend core deliantra objects.
1388 1413
1389=cut 1414=cut
1390 1415
1391package cf::player; 1416package cf::player;
1392 1417
1435 1460
1436sub exists($) { 1461sub exists($) {
1437 my ($login) = @_; 1462 my ($login) = @_;
1438 1463
1439 $cf::PLAYER{$login} 1464 $cf::PLAYER{$login}
1440 or cf::sync_job { !aio_stat path $login } 1465 or !aio_stat path $login
1441} 1466}
1442 1467
1443sub find($) { 1468sub find($) {
1444 return $cf::PLAYER{$_[0]} || do { 1469 return $cf::PLAYER{$_[0]} || do {
1445 my $login = $_[0]; 1470 my $login = $_[0];
1520 my ($pl) = @_; 1545 my ($pl) = @_;
1521 1546
1522 my $name = $pl->ob->name; 1547 my $name = $pl->ob->name;
1523 1548
1524 $pl->{deny_save} = 1; 1549 $pl->{deny_save} = 1;
1525 $pl->password ("*"); # this should lock out the player until we nuked the dir 1550 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1526 1551
1527 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1552 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1528 $pl->deactivate; 1553 $pl->deactivate;
1529 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy; 1554 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1530 $pl->ob->check_score; 1555 $pl->ob->check_score;
1616 } 1641 }
1617 1642
1618 \@paths 1643 \@paths
1619} 1644}
1620 1645
1621=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1646=item $protocol_xml = $player->expand_cfpod ($cfpod)
1622 1647
1623Expand crossfire pod fragments into protocol xml. 1648Expand 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 1649
1714=item $player->ext_reply ($msgid, @msg) 1650=item $player->ext_reply ($msgid, @msg)
1715 1651
1716Sends an ext reply to the player. 1652Sends an ext reply to the player.
1717 1653
1930 1866
1931 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go; 1867 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1932 "$UNIQUEDIR/$path" 1868 "$UNIQUEDIR/$path"
1933} 1869}
1934 1870
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 $_->outdoor, values %cf::MAP;
1942}
1943
1944sub decay_objects { 1871sub decay_objects {
1945 my ($self) = @_; 1872 my ($self) = @_;
1946 1873
1947 return if $self->{deny_reset}; 1874 return if $self->{deny_reset};
1948 1875
2030sub find { 1957sub find {
2031 my ($path, $origin) = @_; 1958 my ($path, $origin) = @_;
2032 1959
2033 $path = normalise $path, $origin && $origin->path; 1960 $path = normalise $path, $origin && $origin->path;
2034 1961
2035 cf::lock_wait "map_data:$path";#d#remove 1962 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2036 cf::lock_wait "map_find:$path"; 1963 my $guard2 = cf::lock_acquire "map_find:$path";
2037 1964
2038 $cf::MAP{$path} || do { 1965 $cf::MAP{$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 1966 my $map = new_from_path cf::map $path
2043 or return; 1967 or return;
2044 1968
2045 $map->{last_save} = $cf::RUNTIME; 1969 $map->{last_save} = $cf::RUNTIME;
2046 1970
2086 my $f = new_from_file cf::object::thawer $self->{load_path}; 2010 my $f = new_from_file cf::object::thawer $self->{load_path};
2087 $f->skip_block; 2011 $f->skip_block;
2088 $self->_load_objects ($f) 2012 $self->_load_objects ($f)
2089 or return; 2013 or return;
2090 2014
2091 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2015 $self->post_load_original
2092 if delete $self->{load_original}; 2016 if delete $self->{load_original};
2093 2017
2094 if (my $uniq = $self->uniq_path) { 2018 if (my $uniq = $self->uniq_path) {
2095 utf8::encode $uniq; 2019 utf8::encode $uniq;
2096 unless (aio_stat $uniq) { 2020 unless (aio_stat $uniq) {
2113 2037
2114 unless ($self->{deny_activate}) { 2038 unless ($self->{deny_activate}) {
2115 $self->decay_objects; 2039 $self->decay_objects;
2116 $self->fix_auto_apply; 2040 $self->fix_auto_apply;
2117 $self->update_buttons; 2041 $self->update_buttons;
2118 cf::cede_to_tick;
2119 $self->set_darkness_map;
2120 cf::cede_to_tick; 2042 cf::cede_to_tick;
2121 $self->activate; 2043 $self->activate;
2122 } 2044 }
2123 2045
2124 $self->{last_save} = $cf::RUNTIME; 2046 $self->{last_save} = $cf::RUNTIME;
2466 2388
2467our $SAY_CHANNEL = { 2389our $SAY_CHANNEL = {
2468 id => "say", 2390 id => "say",
2469 title => "Map", 2391 title => "Map",
2470 reply => "say ", 2392 reply => "say ",
2471 tooltip => "Things said to and replied from npcs near you and other players on the same map only.", 2393 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2472}; 2394};
2473 2395
2474our $CHAT_CHANNEL = { 2396our $CHAT_CHANNEL = {
2475 id => "chat", 2397 id => "chat",
2476 title => "Chat", 2398 title => "Chat",
2531 2453
2532=item $player_object->enter_link 2454=item $player_object->enter_link
2533 2455
2534Freezes the player and moves him/her to a special map (C<{link}>). 2456Freezes the player and moves him/her to a special map (C<{link}>).
2535 2457
2536The player should be reasonably safe there for short amounts of time. You 2458The player should be reasonably safe there for short amounts of time (e.g.
2537I<MUST> call C<leave_link> as soon as possible, though. 2459for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2460though, as the palyer cannot control the character while it is on the link
2461map.
2538 2462
2539Will never block. 2463Will never block.
2540 2464
2541=item $player_object->leave_link ($map, $x, $y) 2465=item $player_object->leave_link ($map, $x, $y)
2542 2466
2600 2524
2601 $map->load; 2525 $map->load;
2602 $map->load_neighbours; 2526 $map->load_neighbours;
2603 2527
2604 return unless $self->contr->active; 2528 return unless $self->contr->active;
2529 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2605 $self->activate_recursive; 2530 $self->activate_recursive;
2606 2531
2607 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2532 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2608 $self->enter_map ($map, $x, $y); 2533 $self->enter_map ($map, $x, $y);
2609} 2534}
2613Moves the player to the given map-path and coordinates by first freezing 2538Moves the player to the given map-path and coordinates by first freezing
2614her, loading and preparing them map, calling the provided $check callback 2539her, loading and preparing them map, calling the provided $check callback
2615that has to return the map if sucecssful, and then unfreezes the player on 2540that 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 2541the new (success) or old (failed) map position. In either case, $done will
2617be called at the end of this process. 2542be called at the end of this process.
2543
2544Note that $check will be called with a potentially non-loaded map, so if
2545it needs a loaded map it has to call C<< ->load >>.
2618 2546
2619=cut 2547=cut
2620 2548
2621our $GOTOGEN; 2549our $GOTOGEN;
2622 2550
2769 $self->contr->savebed ($map, $x, $y) 2697 $self->contr->savebed ($map, $x, $y)
2770 if $exit->flag (cf::FLAG_DAMNED); 2698 if $exit->flag (cf::FLAG_DAMNED);
2771 2699
2772 1 2700 1
2773 }) { 2701 }) {
2774 $self->message ("Something went wrong deep within the crossfire server. " 2702 $self->message ("Something went wrong deep within the deliantra server. "
2775 . "I'll try to bring you back to the map you were before. " 2703 . "I'll try to bring you back to the map you were before. "
2776 . "Please report this to the dungeon master!", 2704 . "Please report this to the dungeon master!",
2777 cf::NDI_UNIQUE | cf::NDI_RED); 2705 cf::NDI_UNIQUE | cf::NDI_RED);
2778 2706
2779 warn "ERROR in enter_exit: $@"; 2707 warn "ERROR in enter_exit: $@";
2845 id => "infobox", 2773 id => "infobox",
2846 title => "Body Parts", 2774 title => "Body Parts",
2847 reply => undef, 2775 reply => undef,
2848 tooltip => "Shows which body parts you posess and are available", 2776 tooltip => "Shows which body parts you posess and are available",
2849 }, 2777 },
2778 "c/statistics" => {
2779 id => "infobox",
2780 title => "Statistics",
2781 reply => undef,
2782 tooltip => "Shows your primary statistics",
2783 },
2784 "c/skills" => {
2785 id => "infobox",
2786 title => "Skills",
2787 reply => undef,
2788 tooltip => "Shows your experience per skill and item power",
2789 },
2790 "c/shopitems" => {
2791 id => "infobox",
2792 title => "Shop Items",
2793 reply => undef,
2794 tooltip => "Shows the items currently for sale in this shop",
2795 },
2796 "c/resistances" => {
2797 id => "infobox",
2798 title => "Resistances",
2799 reply => undef,
2800 tooltip => "Shows your resistances",
2801 },
2802 "c/pets" => {
2803 id => "infobox",
2804 title => "Pets",
2805 reply => undef,
2806 tooltip => "Shows information abotu your pets/a specific pet",
2807 },
2850 "c/uptime" => { 2808 "c/uptime" => {
2851 id => "infobox", 2809 id => "infobox",
2852 title => "Uptime", 2810 title => "Uptime",
2853 reply => undef, 2811 reply => undef,
2854 tooltip => "How long the server has been running since last restart", 2812 tooltip => "How long the server has been running since last restart",
2863 id => "party", 2821 id => "party",
2864 title => "Party", 2822 title => "Party",
2865 reply => "gsay ", 2823 reply => "gsay ",
2866 tooltip => "Messages and chat related to your party", 2824 tooltip => "Messages and chat related to your party",
2867 }, 2825 },
2826 "c/death" => {
2827 id => "death",
2828 title => "Death",
2829 reply => undef,
2830 tooltip => "Reason for and more info about your most recent death",
2831 },
2832 "c/say" => $SAY_CHANNEL,
2833 "c/chat" => $CHAT_CHANNEL,
2868); 2834);
2869 2835
2870sub cf::client::send_msg { 2836sub cf::client::send_msg {
2871 my ($self, $channel, $msg, $color, @extra) = @_; 2837 my ($self, $channel, $msg, $color, @extra) = @_;
2872 2838
2873 $msg = $self->pl->expand_cfpod ($msg); 2839 $msg = $self->pl->expand_cfpod ($msg)
2840 unless $color & cf::NDI_VERBATIM;
2874 2841
2875 $color &= cf::NDI_CLIENT_MASK; # just in case... 2842 $color &= cf::NDI_CLIENT_MASK; # just in case...
2876 2843
2877 # check predefined channels, for the benefit of C 2844 # check predefined channels, for the benefit of C
2878 if ($CHANNEL{$channel}) { 2845 if ($CHANNEL{$channel}) {
2879 $channel = $CHANNEL{$channel}; 2846 $channel = $CHANNEL{$channel};
2880 2847
2881 $self->ext_msg (channel_info => $channel) 2848 $self->ext_msg (channel_info => $channel);
2882 if $self->can_msg;
2883
2884 $channel = $channel->{id}; 2849 $channel = $channel->{id};
2885 2850
2886 } elsif (ref $channel) { 2851 } elsif (ref $channel) {
2887 # send meta info to client, if not yet sent 2852 # send meta info to client, if not yet sent
2888 unless (exists $self->{channel}{$channel->{id}}) { 2853 unless (exists $self->{channel}{$channel->{id}}) {
2889 $self->{channel}{$channel->{id}} = $channel; 2854 $self->{channel}{$channel->{id}} = $channel;
2890 $self->ext_msg (channel_info => $channel) 2855 $self->ext_msg (channel_info => $channel);
2891 if $self->can_msg;
2892 } 2856 }
2893 2857
2894 $channel = $channel->{id}; 2858 $channel = $channel->{id};
2895 } 2859 }
2896 2860
2897 return unless @extra || length $msg; 2861 return unless @extra || length $msg;
2898 2862
2899 if ($self->can_msg) {
2900 # default colour, mask it out 2863 # default colour, mask it out
2901 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2864 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2902 if $color & cf::NDI_DEF; 2865 if $color & cf::NDI_DEF;
2903 2866
2904 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2867 my $pkt = "msg "
2868 . $self->{json_coder}->encode (
2905 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2869 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2906 } else { 2870 );
2907 if ($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 2871
2918 $color &= cf::NDI_COLOR_MASK; 2872 # try lzf for large packets
2873 $pkt = "lzf " . Compress::LZF::compress $pkt
2874 if 1024 <= length $pkt and $self->{can_lzf};
2919 2875
2920 utf8::encode $msg; 2876 # split very large packets
2921 2877 if (8192 < length $pkt and $self->{can_lzf}) {
2922 if (0 && $msg =~ /\[/) { 2878 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2923 # COMMAND/INFO 2879 $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 } 2880 }
2881
2882 $self->send_packet ($pkt);
2931} 2883}
2932 2884
2933=item $client->ext_msg ($type, @msg) 2885=item $client->ext_msg ($type, @msg)
2934 2886
2935Sends an ext event to the client. 2887Sends an ext event to the client.
3110The following functions and methods are available within a safe environment: 3062The following functions and methods are available within a safe environment:
3111 3063
3112 cf::object 3064 cf::object
3113 contr pay_amount pay_player map x y force_find force_add destroy 3065 contr pay_amount pay_player map x y force_find force_add destroy
3114 insert remove name archname title slaying race decrease split 3066 insert remove name archname title slaying race decrease split
3067 value
3115 3068
3116 cf::object::player 3069 cf::object::player
3117 player 3070 player
3118 3071
3119 cf::player 3072 cf::player
3125=cut 3078=cut
3126 3079
3127for ( 3080for (
3128 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3081 ["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 3082 insert remove inv nrof name archname title slaying race
3130 decrease split destroy)], 3083 decrease split destroy change_exp value msg lore send_msg)],
3131 ["cf::object::player" => qw(player)], 3084 ["cf::object::player" => qw(player)],
3132 ["cf::player" => qw(peaceful)], 3085 ["cf::player" => qw(peaceful send_msg)],
3133 ["cf::map" => qw(trigger)], 3086 ["cf::map" => qw(trigger)],
3134) { 3087) {
3135 no strict 'refs'; 3088 no strict 'refs';
3136 my ($pkg, @funs) = @$_; 3089 my ($pkg, @funs) = @$_;
3137 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3090 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3154 my ($code, %vars) = @_; 3107 my ($code, %vars) = @_;
3155 3108
3156 my $qcode = $code; 3109 my $qcode = $code;
3157 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3110 $qcode =~ s/"/‟/g; # not allowed in #line filenames
3158 $qcode =~ s/\n/\\n/g; 3111 $qcode =~ s/\n/\\n/g;
3112
3113 %vars = (_dummy => 0) unless %vars;
3159 3114
3160 local $_; 3115 local $_;
3161 local @safe::cf::_safe_eval_args = values %vars; 3116 local @safe::cf::_safe_eval_args = values %vars;
3162 3117
3163 my $eval = 3118 my $eval =
3393 reload_treasures; 3348 reload_treasures;
3394 3349
3395 warn "finished reloading resource files\n"; 3350 warn "finished reloading resource files\n";
3396} 3351}
3397 3352
3398sub init {
3399 my $guard = freeze_mainloop;
3400
3401 reload_resources;
3402}
3403
3404sub reload_config { 3353sub reload_config {
3405 open my $fh, "<:utf8", "$CONFDIR/config" 3354 open my $fh, "<:utf8", "$CONFDIR/config"
3406 or return; 3355 or return;
3407 3356
3408 local $/; 3357 local $/;
3420 }; 3369 };
3421 warn $@ if $@; 3370 warn $@ if $@;
3422 } 3371 }
3423} 3372}
3424 3373
3374sub pidfile() {
3375 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3376 or die "$PIDFILE: $!";
3377 flock $fh, &Fcntl::LOCK_EX
3378 or die "$PIDFILE: flock: $!";
3379 $fh
3380}
3381
3382# make sure only one server instance is running at any one time
3383sub atomic {
3384 my $fh = pidfile;
3385
3386 my $pid = <$fh>;
3387 kill 9, $pid if $pid > 0;
3388
3389 seek $fh, 0, 0;
3390 print $fh $$;
3391}
3392
3425sub main { 3393sub main {
3394 cf::init_globals; # initialise logging
3395
3396 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3397 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3398 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3399 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3400
3401 cf::init_experience;
3402 cf::init_anim;
3403 cf::init_attackmess;
3404 cf::init_dynamic;
3405
3406 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3407
3426 # we must not ever block the main coroutine 3408 # we must not ever block the main coroutine
3427 local $Coro::idle = sub { 3409 local $Coro::idle = sub {
3428 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3410 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3429 (async { 3411 (async {
3430 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3412 $Coro::current->{desc} = "IDLE BUG HANDLER";
3431 EV::loop EV::LOOP_ONESHOT; 3413 EV::loop EV::LOOP_ONESHOT;
3432 })->prio (Coro::PRIO_MAX); 3414 })->prio (Coro::PRIO_MAX);
3433 }; 3415 };
3434 3416
3435 { 3417 evthread_start IO::AIO::poll_fileno;
3436 my $guard = freeze_mainloop; 3418
3419 cf::sync_job {
3420 reload_resources;
3437 reload_config; 3421 reload_config;
3438 db_init; 3422 db_init;
3423
3424 cf::load_settings;
3425 cf::load_materials;
3426 cf::init_uuid;
3427 cf::init_signals;
3428 cf::init_commands;
3429 cf::init_skills;
3430
3431 cf::init_beforeplay;
3432
3433 atomic;
3434
3439 load_extensions; 3435 load_extensions;
3440 3436
3441 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3437 utime time, time, $RUNTIMEFILE;
3442 evthread_start IO::AIO::poll_fileno; 3438
3439 # no (long-running) fork's whatsoever before this point(!)
3440 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3441
3442 (pop @POST_INIT)->(0) while @POST_INIT;
3443 } 3443 };
3444 3444
3445 EV::loop; 3445 EV::loop;
3446} 3446}
3447 3447
3448############################################################################# 3448#############################################################################
3457 }; 3457 };
3458 } 3458 }
3459} 3459}
3460 3460
3461sub write_runtime_sync { 3461sub write_runtime_sync {
3462 my $runtime = "$LOCALDIR/runtime";
3463
3464 # first touch the runtime file to show we are still running: 3462 # first touch the runtime file to show we are still running:
3465 # the fsync below can take a very very long time. 3463 # the fsync below can take a very very long time.
3466 3464
3467 IO::AIO::aio_utime $runtime, undef, undef; 3465 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3468 3466
3469 my $guard = cf::lock_acquire "write_runtime"; 3467 my $guard = cf::lock_acquire "write_runtime";
3470 3468
3471 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3469 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3472 or return; 3470 or return;
3473 3471
3474 my $value = $cf::RUNTIME + 90 + 10; 3472 my $value = $cf::RUNTIME + 90 + 10;
3475 # 10 is the runtime save interval, for a monotonic clock 3473 # 10 is the runtime save interval, for a monotonic clock
3476 # 60 allows for the watchdog to kill the server. 3474 # 60 allows for the watchdog to kill the server.
3486 aio_utime $fh, undef, undef; 3484 aio_utime $fh, undef, undef;
3487 3485
3488 close $fh 3486 close $fh
3489 or return; 3487 or return;
3490 3488
3491 aio_rename "$runtime~", $runtime 3489 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3492 and return; 3490 and return;
3493 3491
3494 warn "runtime file written.\n"; 3492 warn "runtime file written.\n";
3495 3493
3496 1 3494 1
3508 my $uuid = "$LOCALDIR/uuid"; 3506 my $uuid = "$LOCALDIR/uuid";
3509 3507
3510 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644 3508 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3511 or return; 3509 or return;
3512 3510
3513 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur; 3511 my $value = uuid_seq uuid_cur;
3512
3513 unless ($value) {
3514 warn "cowardly refusing to write zero uuid value!\n";
3515 return;
3516 }
3517
3518 my $value = uuid_str $value + $uuid_skip;
3514 $uuid_skip = 0; 3519 $uuid_skip = 0;
3515 3520
3516 (aio_write $fh, 0, (length $value), $value, 0) <= 0 3521 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3517 and return; 3522 and return;
3518 3523
3540} 3545}
3541 3546
3542sub emergency_save() { 3547sub emergency_save() {
3543 my $freeze_guard = cf::freeze_mainloop; 3548 my $freeze_guard = cf::freeze_mainloop;
3544 3549
3545 warn "enter emergency perl save\n"; 3550 warn "emergency_perl_save: enter\n";
3546 3551
3547 cf::sync_job { 3552 cf::sync_job {
3553 # this is a trade-off: we want to be very quick here, so
3554 # save all maps without fsync, and later call a global sync
3555 # (which in turn might be very very slow)
3556 local $USE_FSYNC = 0;
3557
3548 # use a peculiar iteration method to avoid tripping on perl 3558 # use a peculiar iteration method to avoid tripping on perl
3549 # refcount bugs in for. also avoids problems with players 3559 # refcount bugs in for. also avoids problems with players
3550 # and maps saved/destroyed asynchronously. 3560 # and maps saved/destroyed asynchronously.
3551 warn "begin emergency player save\n"; 3561 warn "emergency_perl_save: begin player save\n";
3552 for my $login (keys %cf::PLAYER) { 3562 for my $login (keys %cf::PLAYER) {
3553 my $pl = $cf::PLAYER{$login} or next; 3563 my $pl = $cf::PLAYER{$login} or next;
3554 $pl->valid or next; 3564 $pl->valid or next;
3555 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3565 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3556 $pl->save; 3566 $pl->save;
3557 } 3567 }
3558 warn "end emergency player save\n"; 3568 warn "emergency_perl_save: end player save\n";
3559 3569
3560 warn "begin emergency map save\n"; 3570 warn "emergency_perl_save: begin map save\n";
3561 for my $path (keys %cf::MAP) { 3571 for my $path (keys %cf::MAP) {
3562 my $map = $cf::MAP{$path} or next; 3572 my $map = $cf::MAP{$path} or next;
3563 $map->valid or next; 3573 $map->valid or next;
3564 $map->save; 3574 $map->save;
3565 } 3575 }
3566 warn "end emergency map save\n"; 3576 warn "emergency_perl_save: end map save\n";
3567 3577
3568 warn "begin emergency database checkpoint\n"; 3578 warn "emergency_perl_save: begin database checkpoint\n";
3569 BDB::db_env_txn_checkpoint $DB_ENV; 3579 BDB::db_env_txn_checkpoint $DB_ENV;
3570 warn "end emergency database checkpoint\n"; 3580 warn "emergency_perl_save: end database checkpoint\n";
3571 3581
3572 warn "begin write uuid\n"; 3582 warn "emergency_perl_save: begin write uuid\n";
3573 write_uuid_sync 1; 3583 write_uuid_sync 1;
3574 warn "end write uuid\n"; 3584 warn "emergency_perl_save: end write uuid\n";
3575 }; 3585 };
3576 3586
3587 warn "emergency_perl_save: starting sync()\n";
3588 IO::AIO::aio_sync sub {
3589 warn "emergency_perl_save: finished sync()\n";
3590 };
3591
3577 warn "leave emergency perl save\n"; 3592 warn "emergency_perl_save: leave\n";
3578} 3593}
3579 3594
3580sub post_cleanup { 3595sub post_cleanup {
3581 my ($make_core) = @_; 3596 my ($make_core) = @_;
3582 3597
3583 warn Carp::longmess "post_cleanup backtrace" 3598 warn Carp::longmess "post_cleanup backtrace"
3584 if $make_core; 3599 if $make_core;
3600
3601 my $fh = pidfile;
3602 unlink $PIDFILE if <$fh> == $$;
3603}
3604
3605# a safer delete_package, copied from Symbol
3606sub clear_package($) {
3607 my $pkg = shift;
3608
3609 # expand to full symbol table name if needed
3610 unless ($pkg =~ /^main::.*::$/) {
3611 $pkg = "main$pkg" if $pkg =~ /^::/;
3612 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3613 $pkg .= '::' unless $pkg =~ /::$/;
3614 }
3615
3616 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3617 my $stem_symtab = *{$stem}{HASH};
3618
3619 defined $stem_symtab and exists $stem_symtab->{$leaf}
3620 or return;
3621
3622 # clear all symbols
3623 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3624 for my $name (keys %$leaf_symtab) {
3625 _gv_clear *{"$pkg$name"};
3626# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3627 }
3628 warn "cleared package $pkg\n";#d#
3585} 3629}
3586 3630
3587sub do_reload_perl() { 3631sub do_reload_perl() {
3588 # can/must only be called in main 3632 # can/must only be called in main
3589 if ($Coro::current != $Coro::main) { 3633 if ($Coro::current != $Coro::main) {
3590 warn "can only reload from main coroutine"; 3634 warn "can only reload from main coroutine";
3591 return; 3635 return;
3592 } 3636 }
3593 3637
3638 return if $RELOAD++;
3639
3640 my $t1 = EV::time;
3641
3642 while ($RELOAD) {
3594 warn "reloading..."; 3643 warn "reloading...";
3595 3644
3596 warn "entering sync_job"; 3645 warn "entering sync_job";
3597 3646
3598 cf::sync_job { 3647 cf::sync_job {
3599 cf::write_runtime_sync; # external watchdog should not bark 3648 cf::write_runtime_sync; # external watchdog should not bark
3600 cf::emergency_save; 3649 cf::emergency_save;
3601 cf::write_runtime_sync; # external watchdog should not bark 3650 cf::write_runtime_sync; # external watchdog should not bark
3602 3651
3603 warn "syncing database to disk"; 3652 warn "syncing database to disk";
3604 BDB::db_env_txn_checkpoint $DB_ENV; 3653 BDB::db_env_txn_checkpoint $DB_ENV;
3605 3654
3606 # if anything goes wrong in here, we should simply crash as we already saved 3655 # if anything goes wrong in here, we should simply crash as we already saved
3607 3656
3608 warn "flushing outstanding aio requests"; 3657 warn "flushing outstanding aio requests";
3609 for (;;) {
3610 BDB::flush;
3611 IO::AIO::flush;
3612 Coro::cede_notself;
3613 last unless IO::AIO::nreqs || BDB::nreqs; 3658 while (IO::AIO::nreqs || BDB::nreqs) {
3614 warn "iterate..."; 3659 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3615 }
3616
3617 ++$RELOAD;
3618
3619 warn "cancelling all extension coros";
3620 $_->cancel for values %EXT_CORO;
3621 %EXT_CORO = ();
3622
3623 warn "removing commands";
3624 %COMMAND = ();
3625
3626 warn "removing ext/exti commands";
3627 %EXTCMD = ();
3628 %EXTICMD = ();
3629
3630 warn "unloading/nuking all extensions";
3631 for my $pkg (@EXTS) {
3632 warn "... unloading $pkg";
3633
3634 if (my $cb = $pkg->can ("unload")) {
3635 eval {
3636 $cb->($pkg);
3637 1
3638 } or warn "$pkg unloaded, but with errors: $@";
3639 } 3660 }
3640 3661
3641 warn "... nuking $pkg"; 3662 warn "cancelling all extension coros";
3642 Symbol::delete_package $pkg; 3663 $_->cancel for values %EXT_CORO;
3643 } 3664 %EXT_CORO = ();
3644 3665
3645 warn "unloading all perl modules loaded from $LIBDIR"; 3666 warn "removing commands";
3646 while (my ($k, $v) = each %INC) { 3667 %COMMAND = ();
3647 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3648 3668
3669 warn "removing ext/exti commands";
3670 %EXTCMD = ();
3671 %EXTICMD = ();
3672
3673 warn "unloading/nuking all extensions";
3674 for my $pkg (@EXTS) {
3649 warn "... unloading $k"; 3675 warn "... unloading $pkg";
3650 delete $INC{$k};
3651 3676
3652 $k =~ s/\.pm$//;
3653 $k =~ s/\//::/g;
3654
3655 if (my $cb = $k->can ("unload_module")) { 3677 if (my $cb = $pkg->can ("unload")) {
3678 eval {
3656 $cb->(); 3679 $cb->($pkg);
3680 1
3681 } or warn "$pkg unloaded, but with errors: $@";
3682 }
3683
3684 warn "... clearing $pkg";
3685 clear_package $pkg;
3657 } 3686 }
3658 3687
3659 Symbol::delete_package $k; 3688 warn "unloading all perl modules loaded from $LIBDIR";
3689 while (my ($k, $v) = each %INC) {
3690 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3691
3692 warn "... unloading $k";
3693 delete $INC{$k};
3694
3695 $k =~ s/\.pm$//;
3696 $k =~ s/\//::/g;
3697
3698 if (my $cb = $k->can ("unload_module")) {
3699 $cb->();
3700 }
3701
3702 clear_package $k;
3660 } 3703 }
3661 3704
3662 warn "getting rid of safe::, as good as possible"; 3705 warn "getting rid of safe::, as good as possible";
3663 Symbol::delete_package "safe::$_" 3706 clear_package "safe::$_"
3664 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3707 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3665 3708
3666 warn "unloading cf.pm \"a bit\""; 3709 warn "unloading cf.pm \"a bit\"";
3667 delete $INC{"cf.pm"}; 3710 delete $INC{"cf.pm"};
3668 delete $INC{"cf/pod.pm"}; 3711 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3669 3712
3670 # don't, removes xs symbols, too, 3713 # don't, removes xs symbols, too,
3671 # and global variables created in xs 3714 # and global variables created in xs
3672 #Symbol::delete_package __PACKAGE__; 3715 #clear_package __PACKAGE__;
3673 3716
3674 warn "unload completed, starting to reload now"; 3717 warn "unload completed, starting to reload now";
3675 3718
3676 warn "reloading cf.pm"; 3719 warn "reloading cf.pm";
3677 require cf; 3720 require cf;
3678 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3721 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3679 3722
3680 warn "loading config and database again"; 3723 warn "loading config and database again";
3681 cf::reload_config; 3724 cf::reload_config;
3682 3725
3683 warn "loading extensions"; 3726 warn "loading extensions";
3684 cf::load_extensions; 3727 cf::load_extensions;
3685 3728
3729 if ($REATTACH_ON_RELOAD) {
3686 warn "reattaching attachments to objects/players"; 3730 warn "reattaching attachments to objects/players";
3687 _global_reattach; # objects, sockets 3731 _global_reattach; # objects, sockets
3688 warn "reattaching attachments to maps"; 3732 warn "reattaching attachments to maps";
3689 reattach $_ for values %MAP; 3733 reattach $_ for values %MAP;
3690 warn "reattaching attachments to players"; 3734 warn "reattaching attachments to players";
3691 reattach $_ for values %PLAYER; 3735 reattach $_ for values %PLAYER;
3736 }
3692 3737
3738 warn "running post_init jobs";
3739 (pop @POST_INIT)->(1) while @POST_INIT;
3740
3693 warn "leaving sync_job"; 3741 warn "leaving sync_job";
3694 3742
3695 1 3743 1
3696 } or do { 3744 } or do {
3697 warn $@; 3745 warn $@;
3698 cf::cleanup "error while reloading, exiting."; 3746 cf::cleanup "error while reloading, exiting.";
3699 }; 3747 };
3700 3748
3701 warn "reloaded"; 3749 warn "reloaded";
3750 --$RELOAD;
3751 }
3752
3753 $t1 = EV::time - $t1;
3754 warn "reload completed in ${t1}s\n";
3702}; 3755};
3703 3756
3704our $RELOAD_WATCHER; # used only during reload 3757our $RELOAD_WATCHER; # used only during reload
3705 3758
3706sub reload_perl() { 3759sub reload_perl() {
3707 # doing reload synchronously and two reloads happen back-to-back, 3760 # doing reload synchronously and two reloads happen back-to-back,
3708 # coro crashes during coro_state_free->destroy here. 3761 # coro crashes during coro_state_free->destroy here.
3709 3762
3763 $RELOAD_WATCHER ||= cf::async {
3764 Coro::AIO::aio_wait cache_extensions;
3765
3710 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3766 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3711 do_reload_perl; 3767 do_reload_perl;
3712 undef $RELOAD_WATCHER; 3768 undef $RELOAD_WATCHER;
3769 };
3713 }; 3770 };
3714} 3771}
3715 3772
3716register_command "reload" => sub { 3773register_command "reload" => sub {
3717 my ($who, $arg) = @_; 3774 my ($who, $arg) = @_;
3792 BDB::max_poll_reqs $TICK * 0.1; 3849 BDB::max_poll_reqs $TICK * 0.1;
3793 $AnyEvent::BDB::WATCHER->priority (1); 3850 $AnyEvent::BDB::WATCHER->priority (1);
3794 3851
3795 unless ($DB_ENV) { 3852 unless ($DB_ENV) {
3796 $DB_ENV = BDB::db_env_create; 3853 $DB_ENV = BDB::db_env_create;
3797 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3854 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3798 | BDB::LOG_AUTOREMOVE, 1); 3855 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3856 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3799 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT); 3857 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3800 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT); 3858 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3801 3859
3802 cf::sync_job { 3860 cf::sync_job {
3803 eval { 3861 eval {
3829{ 3887{
3830 # configure IO::AIO 3888 # configure IO::AIO
3831 3889
3832 IO::AIO::min_parallel 8; 3890 IO::AIO::min_parallel 8;
3833 IO::AIO::max_poll_time $TICK * 0.1; 3891 IO::AIO::max_poll_time $TICK * 0.1;
3834 $AnyEvent::AIO::WATCHER->priority (1); 3892 undef $AnyEvent::AIO::WATCHER;
3835} 3893}
3836 3894
3837my $_log_backtrace; 3895my $_log_backtrace;
3838 3896
3839sub _log_backtrace { 3897sub _log_backtrace {
3842 $msg =~ s/\n//; 3900 $msg =~ s/\n//;
3843 3901
3844 # limit the # of concurrent backtraces 3902 # limit the # of concurrent backtraces
3845 if ($_log_backtrace < 2) { 3903 if ($_log_backtrace < 2) {
3846 ++$_log_backtrace; 3904 ++$_log_backtrace;
3905 my $perl_bt = Carp::longmess $msg;
3847 async { 3906 async {
3848 $Coro::current->{desc} = "abt $msg"; 3907 $Coro::current->{desc} = "abt $msg";
3849 3908
3850 my @bt = fork_call { 3909 my @bt = fork_call {
3851 @addr = map { sprintf "%x", $_ } @addr; 3910 @addr = map { sprintf "%x", $_ } @addr;
3862 } 3921 }
3863 3922
3864 @funcs 3923 @funcs
3865 }; 3924 };
3866 3925
3867 LOG llevInfo, "[ABT] $msg\n"; 3926 LOG llevInfo, "[ABT] $perl_bt\n";
3927 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3868 LOG llevInfo, "[ABT] $_\n" for @bt; 3928 LOG llevInfo, "[ABT] $_\n" for @bt;
3869 --$_log_backtrace; 3929 --$_log_backtrace;
3870 }; 3930 };
3871 } else { 3931 } else {
3872 LOG llevInfo, "[ABT] $msg\n"; 3932 LOG llevInfo, "[ABT] $msg\n";
3873 LOG llevInfo, "[ABT] [suppressed]\n"; 3933 LOG llevInfo, "[ABT] [suppressed]\n";
3874 } 3934 }
3875} 3935}
3876 3936
3877# load additional modules 3937# load additional modules
3878use cf::pod; 3938require "cf/$_.pm" for @EXTRA_MODULES;
3879 3939
3880END { cf::emergency_save } 3940END { cf::emergency_save }
3881 3941
38821 39421
3883 3943

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines