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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.434 by root, Thu May 29 03:27:37 2008 UTC vs.
Revision 1.468 by root, Thu Jan 8 19:23:44 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;
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 ();
57use Compress::LZF; 61use Compress::LZF;
58use Digest::MD5 (); 62use Digest::MD5 ();
59 63
60AnyEvent::detect; 64AnyEvent::detect;
61 65
62IO::AIO::max_poll_reqs 1;#d#
63
64# configure various modules to our taste 66# configure various modules to our taste
65# 67#
66$Storable::canonical = 1; # reduce rsync transfers 68$Storable::canonical = 1; # reduce rsync transfers
67Coro::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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
68Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
71 76
72sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 77sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
73 78
74our %COMMAND = (); 79our %COMMAND = ();
75our %COMMAND_TIME = (); 80our %COMMAND_TIME = ();
78our %EXTCMD = (); 83our %EXTCMD = ();
79our %EXTICMD = (); 84our %EXTICMD = ();
80our %EXT_CORO = (); # coroutines bound to extensions 85our %EXT_CORO = (); # coroutines bound to extensions
81our %EXT_MAP = (); # pluggable maps 86our %EXT_MAP = (); # pluggable maps
82 87
83our $RELOAD; # number of reloads so far 88our $RELOAD; # number of reloads so far, non-zero while in reload
84our @EVENT; 89our @EVENT;
85 90
86our $CONFDIR = confdir; 91our $CONFDIR = confdir;
87our $DATADIR = datadir; 92our $DATADIR = datadir;
88our $LIBDIR = "$DATADIR/ext"; 93our $LIBDIR = "$DATADIR/ext";
89our $PODDIR = "$DATADIR/pod"; 94our $PODDIR = "$DATADIR/pod";
90our $MAPDIR = "$DATADIR/" . mapdir; 95our $MAPDIR = "$DATADIR/" . mapdir;
91our $LOCALDIR = localdir; 96our $LOCALDIR = localdir;
92our $TMPDIR = "$LOCALDIR/" . tmpdir; 97our $TMPDIR = "$LOCALDIR/" . tmpdir;
93our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 98our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94our $PLAYERDIR = "$LOCALDIR/" . playerdir; 99our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95our $RANDOMDIR = "$LOCALDIR/random"; 100our $RANDOMDIR = "$LOCALDIR/random";
96our $BDBDIR = "$LOCALDIR/db"; 101our $BDBDIR = "$LOCALDIR/db";
102our $PIDFILE = "$LOCALDIR/pid";
103our $RUNTIMEFILE = "$LOCALDIR/runtime";
104
97our %RESOURCE; 105our %RESOURCE;
98 106
99our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 107our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
100our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 108our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
101our $NEXT_TICK; 109our $NEXT_TICK;
104our $BDB_DEADLOCK_WATCHER; 112our $BDB_DEADLOCK_WATCHER;
105our $BDB_CHECKPOINT_WATCHER; 113our $BDB_CHECKPOINT_WATCHER;
106our $BDB_TRICKLE_WATCHER; 114our $BDB_TRICKLE_WATCHER;
107our $DB_ENV; 115our $DB_ENV;
108 116
117our @EXTRA_MODULES = qw(pod mapscript);
118
109our %CFG; 119our %CFG;
110 120
111our $UPTIME; $UPTIME ||= time; 121our $UPTIME; $UPTIME ||= time;
112our $RUNTIME; 122our $RUNTIME;
113our $NOW; 123our $NOW;
122our $LOAD; # a number between 0 (idle) and 1 (too many objects) 132our $LOAD; # a number between 0 (idle) and 1 (too many objects)
123our $LOADAVG; # same thing, but with alpha-smoothing 133our $LOADAVG; # same thing, but with alpha-smoothing
124our $JITTER; # average jitter 134our $JITTER; # average jitter
125our $TICK_START; # for load detecting purposes 135our $TICK_START; # for load detecting purposes
126 136
137our @POST_INIT;
138
139our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
140
127binmode STDOUT; 141binmode STDOUT;
128binmode STDERR; 142binmode STDERR;
129 143
130# read virtual server time, if available 144# read virtual server time, if available
131unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 145unless ($RUNTIME || !-e $RUNTIMEFILE) {
132 open my $fh, "<", "$LOCALDIR/runtime" 146 open my $fh, "<", $RUNTIMEFILE
133 or die "unable to read runtime file: $!"; 147 or die "unable to read $RUNTIMEFILE file: $!";
134 $RUNTIME = <$fh> + 0.; 148 $RUNTIME = <$fh> + 0.;
135} 149}
150
151eval "sub TICK() { $TICK } 1" or die;
136 152
137mkdir $_ 153mkdir $_
138 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 154 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
139 155
140our $EMERGENCY_POSITION; 156our $EMERGENCY_POSITION;
245for my $pkg (qw( 261for my $pkg (qw(
246 cf::global cf::attachable 262 cf::global cf::attachable
247 cf::object cf::object::player 263 cf::object cf::object::player
248 cf::client cf::player 264 cf::client cf::player
249 cf::arch cf::living 265 cf::arch cf::living
266 cf::map cf::mapspace
250 cf::map cf::party cf::region 267 cf::party cf::region
251)) { 268)) {
252 no strict 'refs';
253 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 269 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
254} 270}
255 271
256$EV::DIED = sub { 272$EV::DIED = sub {
257 warn "error in event callback: @_"; 273 warn "error in event callback: @_";
299our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 315our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
300 316
301sub encode_json($) { $json_coder->encode ($_[0]) } 317sub encode_json($) { $json_coder->encode ($_[0]) }
302sub decode_json($) { $json_coder->decode ($_[0]) } 318sub decode_json($) { $json_coder->decode ($_[0]) }
303 319
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
304=item cf::lock_wait $string 334=item cf::lock_wait $string
305 335
306Wait until the given lock is available. See cf::lock_acquire. 336Wait until the given lock is available. See cf::lock_acquire.
307 337
308=item my $lock = cf::lock_acquire $string 338=item my $lock = cf::lock_acquire $string
309 339
310Wait 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
311a 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,
312for example when the coroutine gets canceled), the lock is automatically 342for example when the coroutine gets canceled), the lock is automatically
313returned. 343returned.
314 344
315Locks 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
316deadlocked coro. 346deadlocked coro.
322 352
323Return 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.
324 354
325=cut 355=cut
326 356
327our %LOCK; 357our $LOCKS = new Coro::SemaphoreSet;
328our %LOCKER;#d#
329 358
330sub lock_wait($) { 359sub lock_wait($) {
331 my ($key) = @_; 360 $LOCKS->wait ($_[0]);
332
333 if ($LOCKER{$key} == $Coro::current) {#d#
334 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335 return;#d#
336 }#d#
337
338 # wait for lock, if any
339 while ($LOCK{$key}) {
340 push @{ $LOCK{$key} }, $Coro::current;
341 Coro::schedule;
342 }
343} 361}
344 362
345sub lock_acquire($) { 363sub lock_acquire($) {
346 my ($key) = @_; 364 $LOCKS->guard ($_[0])
347
348 # wait, to be sure we are not locked
349 lock_wait $key;
350
351 $LOCK{$key} = [];
352 $LOCKER{$key} = $Coro::current;#d#
353
354 Coro::guard {
355 delete $LOCKER{$key};#d#
356 # wake up all waiters, to be on the safe side
357 $_->ready for @{ delete $LOCK{$key} };
358 }
359} 365}
360 366
361sub lock_active($) { 367sub lock_active($) {
362 my ($key) = @_; 368 $LOCKS->count ($_[0]) < 1
363
364 ! ! $LOCK{$key}
365} 369}
366 370
367sub freeze_mainloop { 371sub freeze_mainloop {
368 tick_inhibit_inc; 372 tick_inhibit_inc;
369 373
370 Coro::guard \&tick_inhibit_dec; 374 &Guard::guard (\&tick_inhibit_dec);
371} 375}
372 376
373=item cf::periodic $interval, $cb 377=item cf::periodic $interval, $cb
374 378
375Like 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
727 731
728############################################################################# 732#############################################################################
729 733
730=head2 ATTACHABLE OBJECTS 734=head2 ATTACHABLE OBJECTS
731 735
732Many 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
733attach callbacks/event handlers (a collection of which is called an "attachment") 737attach callbacks/event handlers (a collection of which is called an "attachment")
734to it. All such attachable objects support the following methods. 738to it. All such attachable objects support the following methods.
735 739
736In 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>
737C<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
787=item cf::CLASS::attachment $name, ... 791=item cf::CLASS::attachment $name, ...
788 792
789Register an attachment by C<$name> through which attachable objects of the 793Register an attachment by C<$name> through which attachable objects of the
790given CLASS can refer to this attachment. 794given CLASS can refer to this attachment.
791 795
792Some classes such as crossfire maps and objects can specify attachments 796Some classes such as deliantra maps and objects can specify attachments
793that are attached at load/instantiate time, thus the need for a name. 797that are attached at load/instantiate time, thus the need for a name.
794 798
795These calls expect any number of the following handler/hook descriptions: 799These calls expect any number of the following handler/hook descriptions:
796 800
797=over 4 801=over 4
1088 1092
1089sub reattach { 1093sub reattach {
1090 # basically do the same as instantiate, without calling instantiate 1094 # basically do the same as instantiate, without calling instantiate
1091 my ($obj) = @_; 1095 my ($obj) = @_;
1092 1096
1097 # no longer needed after getting rid of delete_package?
1093 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
1094 1099
1095 my $registry = $obj->registry; 1100 my $registry = $obj->registry;
1096 1101
1097 @$registry = (); 1102 @$registry = ();
1098 1103
1163 } else { 1168 } else {
1164 aio_unlink "$filename.pst"; 1169 aio_unlink "$filename.pst";
1165 } 1170 }
1166 1171
1167 aio_rename "$filename~", $filename; 1172 aio_rename "$filename~", $filename;
1173
1174 $filename =~ s%/[^/]+$%%;
1175 aio_pathsync $filename if $cf::USE_FSYNC;
1168 } else { 1176 } else {
1169 warn "FATAL: $filename~: $!\n"; 1177 warn "unable to save objects: $filename~: $!\n";
1170 } 1178 }
1171 } else { 1179 } else {
1172 aio_unlink $filename; 1180 aio_unlink $filename;
1173 aio_unlink "$filename.pst"; 1181 aio_unlink "$filename.pst";
1174 } 1182 }
1265 my ($name, $cb) = @_; 1273 my ($name, $cb) = @_;
1266 1274
1267 $EXTICMD{$name} = $cb; 1275 $EXTICMD{$name} = $cb;
1268} 1276}
1269 1277
1278use File::Glob ();
1279
1270cf::player->attach ( 1280cf::player->attach (
1271 on_command => sub { 1281 on_command => sub {
1272 my ($pl, $name, $params) = @_; 1282 my ($pl, $name, $params) = @_;
1273 1283
1274 my $cb = $COMMAND{$name} 1284 my $cb = $COMMAND{$name}
1306 1316
1307 cf::override; 1317 cf::override;
1308 }, 1318 },
1309); 1319);
1310 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
1311sub load_extensions { 1334sub load_extensions {
1312 cf::sync_job { 1335 cf::sync_job {
1313 my %todo; 1336 my %todo;
1314 1337
1315 for my $path (<$LIBDIR/*.ext>) { 1338 for my $path (<$LIBDIR/*.ext>) {
1334 1357
1335 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1358 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1336 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1359 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1337 1360
1338 $ext{source} = 1361 $ext{source} =
1339 "package $pkg; use strict; use utf8;\n" 1362 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1340 . "#line 1 \"$path\"\n{\n" 1363 . "#line 1 \"$path\"\n{\n"
1341 . $source 1364 . $source
1342 . "\n};\n1"; 1365 . "\n};\n1";
1343 1366
1344 $todo{$base} = \%ext; 1367 $todo{$base} = \%ext;
1384 1407
1385=back 1408=back
1386 1409
1387=head2 CORE EXTENSIONS 1410=head2 CORE EXTENSIONS
1388 1411
1389Functions and methods that extend core crossfire objects. 1412Functions and methods that extend core deliantra objects.
1390 1413
1391=cut 1414=cut
1392 1415
1393package cf::player; 1416package cf::player;
1394 1417
1437 1460
1438sub exists($) { 1461sub exists($) {
1439 my ($login) = @_; 1462 my ($login) = @_;
1440 1463
1441 $cf::PLAYER{$login} 1464 $cf::PLAYER{$login}
1442 or cf::sync_job { !aio_stat path $login } 1465 or !aio_stat path $login
1443} 1466}
1444 1467
1445sub find($) { 1468sub find($) {
1446 return $cf::PLAYER{$_[0]} || do { 1469 return $cf::PLAYER{$_[0]} || do {
1447 my $login = $_[0]; 1470 my $login = $_[0];
1522 my ($pl) = @_; 1545 my ($pl) = @_;
1523 1546
1524 my $name = $pl->ob->name; 1547 my $name = $pl->ob->name;
1525 1548
1526 $pl->{deny_save} = 1; 1549 $pl->{deny_save} = 1;
1527 $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
1528 1551
1529 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1552 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1530 $pl->deactivate; 1553 $pl->deactivate;
1531 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;
1532 $pl->ob->check_score; 1555 $pl->ob->check_score;
1618 } 1641 }
1619 1642
1620 \@paths 1643 \@paths
1621} 1644}
1622 1645
1623=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1646=item $protocol_xml = $player->expand_cfpod ($cfpod)
1624 1647
1625Expand crossfire pod fragments into protocol xml. 1648Expand deliantra pod fragments into protocol xml.
1626
1627=cut
1628
1629use re 'eval';
1630
1631my $group;
1632my $interior; $interior = qr{
1633 # match a pod interior sequence sans C<< >>
1634 (?:
1635 \ (.*?)\ (?{ $group = $^N })
1636 | < (??{$interior}) >
1637 )
1638}x;
1639
1640sub expand_cfpod {
1641 my ($self, $pod) = @_;
1642
1643 my $xml;
1644
1645 while () {
1646 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1647 $group = $1;
1648
1649 $group =~ s/&/&amp;/g;
1650 $group =~ s/</&lt;/g;
1651
1652 $xml .= $group;
1653 } elsif ($pod =~ m%\G
1654 ([BCGHITU])
1655 <
1656 (?:
1657 ([^<>]*) (?{ $group = $^N })
1658 | < $interior >
1659 )
1660 >
1661 %gcsx
1662 ) {
1663 my ($code, $data) = ($1, $group);
1664
1665 if ($code eq "B") {
1666 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1667 } elsif ($code eq "I") {
1668 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1669 } elsif ($code eq "U") {
1670 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1671 } elsif ($code eq "C") {
1672 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1673 } elsif ($code eq "T") {
1674 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1675 } elsif ($code eq "G") {
1676 my ($male, $female) = split /\|/, $data;
1677 $data = $self->gender ? $female : $male;
1678 $xml .= expand_cfpod ($self, $data);
1679 } elsif ($code eq "H") {
1680 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1681 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1682 "")
1683 [$self->{hintmode}];
1684 } else {
1685 $xml .= "error processing '$code($data)' directive";
1686 }
1687 } else {
1688 if ($pod =~ /\G(.+)/) {
1689 warn "parse error while expanding $pod (at $1)";
1690 }
1691 last;
1692 }
1693 }
1694
1695 for ($xml) {
1696 # create single paragraphs (very hackish)
1697 s/(?<=\S)\n(?=\w)/ /g;
1698
1699 # compress some whitespace
1700 s/\s+\n/\n/g; # ws line-ends
1701 s/\n\n+/\n/g; # double lines
1702 s/^\n+//; # beginning lines
1703 s/\n+$//; # ending lines
1704 }
1705
1706 $xml
1707}
1708
1709no re 'eval';
1710
1711sub hintmode {
1712 $_[0]{hintmode} = $_[1] if @_ > 1;
1713 $_[0]{hintmode}
1714}
1715 1649
1716=item $player->ext_reply ($msgid, @msg) 1650=item $player->ext_reply ($msgid, @msg)
1717 1651
1718Sends an ext reply to the player. 1652Sends an ext reply to the player.
1719 1653
1932 1866
1933 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go; 1867 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1934 "$UNIQUEDIR/$path" 1868 "$UNIQUEDIR/$path"
1935} 1869}
1936 1870
1937# and all this just because we cannot iterate over
1938# all maps in C++...
1939sub change_all_map_light {
1940 my ($change) = @_;
1941
1942 $_->change_map_light ($change)
1943 for grep $_->outdoor, values %cf::MAP;
1944}
1945
1946sub decay_objects { 1871sub decay_objects {
1947 my ($self) = @_; 1872 my ($self) = @_;
1948 1873
1949 return if $self->{deny_reset}; 1874 return if $self->{deny_reset};
1950 1875
2032sub find { 1957sub find {
2033 my ($path, $origin) = @_; 1958 my ($path, $origin) = @_;
2034 1959
2035 $path = normalise $path, $origin && $origin->path; 1960 $path = normalise $path, $origin && $origin->path;
2036 1961
2037 cf::lock_wait "map_data:$path";#d#remove 1962 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2038 cf::lock_wait "map_find:$path"; 1963 my $guard2 = cf::lock_acquire "map_find:$path";
2039 1964
2040 $cf::MAP{$path} || do { 1965 $cf::MAP{$path} || do {
2041 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2042 my $guard2 = cf::lock_acquire "map_find:$path";
2043
2044 my $map = new_from_path cf::map $path 1966 my $map = new_from_path cf::map $path
2045 or return; 1967 or return;
2046 1968
2047 $map->{last_save} = $cf::RUNTIME; 1969 $map->{last_save} = $cf::RUNTIME;
2048 1970
2088 my $f = new_from_file cf::object::thawer $self->{load_path}; 2010 my $f = new_from_file cf::object::thawer $self->{load_path};
2089 $f->skip_block; 2011 $f->skip_block;
2090 $self->_load_objects ($f) 2012 $self->_load_objects ($f)
2091 or return; 2013 or return;
2092 2014
2093 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2015 $self->post_load_original
2094 if delete $self->{load_original}; 2016 if delete $self->{load_original};
2095 2017
2096 if (my $uniq = $self->uniq_path) { 2018 if (my $uniq = $self->uniq_path) {
2097 utf8::encode $uniq; 2019 utf8::encode $uniq;
2098 unless (aio_stat $uniq) { 2020 unless (aio_stat $uniq) {
2115 2037
2116 unless ($self->{deny_activate}) { 2038 unless ($self->{deny_activate}) {
2117 $self->decay_objects; 2039 $self->decay_objects;
2118 $self->fix_auto_apply; 2040 $self->fix_auto_apply;
2119 $self->update_buttons; 2041 $self->update_buttons;
2120 cf::cede_to_tick;
2121 $self->set_darkness_map;
2122 cf::cede_to_tick; 2042 cf::cede_to_tick;
2123 $self->activate; 2043 $self->activate;
2124 } 2044 }
2125 2045
2126 $self->{last_save} = $cf::RUNTIME; 2046 $self->{last_save} = $cf::RUNTIME;
2468 2388
2469our $SAY_CHANNEL = { 2389our $SAY_CHANNEL = {
2470 id => "say", 2390 id => "say",
2471 title => "Map", 2391 title => "Map",
2472 reply => "say ", 2392 reply => "say ",
2473 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.",
2474}; 2394};
2475 2395
2476our $CHAT_CHANNEL = { 2396our $CHAT_CHANNEL = {
2477 id => "chat", 2397 id => "chat",
2478 title => "Chat", 2398 title => "Chat",
2533 2453
2534=item $player_object->enter_link 2454=item $player_object->enter_link
2535 2455
2536Freezes 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}>).
2537 2457
2538The 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.
2539I<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.
2540 2462
2541Will never block. 2463Will never block.
2542 2464
2543=item $player_object->leave_link ($map, $x, $y) 2465=item $player_object->leave_link ($map, $x, $y)
2544 2466
2602 2524
2603 $map->load; 2525 $map->load;
2604 $map->load_neighbours; 2526 $map->load_neighbours;
2605 2527
2606 return unless $self->contr->active; 2528 return unless $self->contr->active;
2529 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2607 $self->activate_recursive; 2530 $self->activate_recursive;
2608 2531
2609 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2532 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2610 $self->enter_map ($map, $x, $y); 2533 $self->enter_map ($map, $x, $y);
2611} 2534}
2615Moves 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
2616her, loading and preparing them map, calling the provided $check callback 2539her, loading and preparing them map, calling the provided $check callback
2617that 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
2618the 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
2619be 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 >>.
2620 2546
2621=cut 2547=cut
2622 2548
2623our $GOTOGEN; 2549our $GOTOGEN;
2624 2550
2771 $self->contr->savebed ($map, $x, $y) 2697 $self->contr->savebed ($map, $x, $y)
2772 if $exit->flag (cf::FLAG_DAMNED); 2698 if $exit->flag (cf::FLAG_DAMNED);
2773 2699
2774 1 2700 1
2775 }) { 2701 }) {
2776 $self->message ("Something went wrong deep within the crossfire server. " 2702 $self->message ("Something went wrong deep within the deliantra server. "
2777 . "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. "
2778 . "Please report this to the dungeon master!", 2704 . "Please report this to the dungeon master!",
2779 cf::NDI_UNIQUE | cf::NDI_RED); 2705 cf::NDI_UNIQUE | cf::NDI_RED);
2780 2706
2781 warn "ERROR in enter_exit: $@"; 2707 warn "ERROR in enter_exit: $@";
2847 id => "infobox", 2773 id => "infobox",
2848 title => "Body Parts", 2774 title => "Body Parts",
2849 reply => undef, 2775 reply => undef,
2850 tooltip => "Shows which body parts you posess and are available", 2776 tooltip => "Shows which body parts you posess and are available",
2851 }, 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/resistances" => {
2791 id => "infobox",
2792 title => "Resistances",
2793 reply => undef,
2794 tooltip => "Shows your resistances",
2795 },
2796 "c/pets" => {
2797 id => "infobox",
2798 title => "Pets",
2799 reply => undef,
2800 tooltip => "Shows information abotu your pets/a specific pet",
2801 },
2852 "c/uptime" => { 2802 "c/uptime" => {
2853 id => "infobox", 2803 id => "infobox",
2854 title => "Uptime", 2804 title => "Uptime",
2855 reply => undef, 2805 reply => undef,
2856 tooltip => "How long the server has been running since last restart", 2806 tooltip => "How long the server has been running since last restart",
2865 id => "party", 2815 id => "party",
2866 title => "Party", 2816 title => "Party",
2867 reply => "gsay ", 2817 reply => "gsay ",
2868 tooltip => "Messages and chat related to your party", 2818 tooltip => "Messages and chat related to your party",
2869 }, 2819 },
2820 "c/death" => {
2821 id => "death",
2822 title => "Death",
2823 reply => undef,
2824 tooltip => "Reason for and more info about your most recent death",
2825 },
2826 "c/say" => $SAY_CHANNEL,
2827 "c/chat" => $CHAT_CHANNEL,
2870); 2828);
2871 2829
2872sub cf::client::send_msg { 2830sub cf::client::send_msg {
2873 my ($self, $channel, $msg, $color, @extra) = @_; 2831 my ($self, $channel, $msg, $color, @extra) = @_;
2874 2832
2875 $msg = $self->pl->expand_cfpod ($msg); 2833 $msg = $self->pl->expand_cfpod ($msg)
2834 unless $color & cf::NDI_VERBATIM;
2876 2835
2877 $color &= cf::NDI_CLIENT_MASK; # just in case... 2836 $color &= cf::NDI_CLIENT_MASK; # just in case...
2878 2837
2879 # check predefined channels, for the benefit of C 2838 # check predefined channels, for the benefit of C
2880 if ($CHANNEL{$channel}) { 2839 if ($CHANNEL{$channel}) {
2881 $channel = $CHANNEL{$channel}; 2840 $channel = $CHANNEL{$channel};
2882 2841
2883 $self->ext_msg (channel_info => $channel) 2842 $self->ext_msg (channel_info => $channel);
2884 if $self->can_msg;
2885
2886 $channel = $channel->{id}; 2843 $channel = $channel->{id};
2887 2844
2888 } elsif (ref $channel) { 2845 } elsif (ref $channel) {
2889 # send meta info to client, if not yet sent 2846 # send meta info to client, if not yet sent
2890 unless (exists $self->{channel}{$channel->{id}}) { 2847 unless (exists $self->{channel}{$channel->{id}}) {
2891 $self->{channel}{$channel->{id}} = $channel; 2848 $self->{channel}{$channel->{id}} = $channel;
2892 $self->ext_msg (channel_info => $channel) 2849 $self->ext_msg (channel_info => $channel);
2893 if $self->can_msg;
2894 } 2850 }
2895 2851
2896 $channel = $channel->{id}; 2852 $channel = $channel->{id};
2897 } 2853 }
2898 2854
2899 return unless @extra || length $msg; 2855 return unless @extra || length $msg;
2900 2856
2901 if ($self->can_msg) {
2902 # default colour, mask it out 2857 # default colour, mask it out
2903 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2858 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2904 if $color & cf::NDI_DEF; 2859 if $color & cf::NDI_DEF;
2905 2860
2906 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2861 my $pkt = "msg "
2862 . $self->{json_coder}->encode (
2907 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2863 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2908 } else { 2864 );
2909 if ($color >= 0) {
2910 # replace some tags by gcfclient-compatible ones
2911 for ($msg) {
2912 1 while
2913 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2914 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2915 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2916 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2917 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2918 }
2919 2865
2920 $color &= cf::NDI_COLOR_MASK; 2866 # try lzf for large packets
2867 $pkt = "lzf " . Compress::LZF::compress $pkt
2868 if 1024 <= length $pkt and $self->{can_lzf};
2921 2869
2922 utf8::encode $msg; 2870 # split very large packets
2923 2871 if (8192 < length $pkt and $self->{can_lzf}) {
2924 if (0 && $msg =~ /\[/) { 2872 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2925 # COMMAND/INFO 2873 $pkt = "frag";
2926 $self->send_packet ("drawextinfo $color 10 8 $msg")
2927 } else {
2928 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2929 $self->send_packet ("drawinfo $color $msg")
2930 }
2931 }
2932 } 2874 }
2875
2876 $self->send_packet ($pkt);
2933} 2877}
2934 2878
2935=item $client->ext_msg ($type, @msg) 2879=item $client->ext_msg ($type, @msg)
2936 2880
2937Sends an ext event to the client. 2881Sends an ext event to the client.
3112The following functions and methods are available within a safe environment: 3056The following functions and methods are available within a safe environment:
3113 3057
3114 cf::object 3058 cf::object
3115 contr pay_amount pay_player map x y force_find force_add destroy 3059 contr pay_amount pay_player map x y force_find force_add destroy
3116 insert remove name archname title slaying race decrease split 3060 insert remove name archname title slaying race decrease split
3061 value
3117 3062
3118 cf::object::player 3063 cf::object::player
3119 player 3064 player
3120 3065
3121 cf::player 3066 cf::player
3127=cut 3072=cut
3128 3073
3129for ( 3074for (
3130 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3075 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3131 insert remove inv nrof name archname title slaying race 3076 insert remove inv nrof name archname title slaying race
3132 decrease split destroy)], 3077 decrease split destroy change_exp value msg lore send_msg)],
3133 ["cf::object::player" => qw(player)], 3078 ["cf::object::player" => qw(player)],
3134 ["cf::player" => qw(peaceful)], 3079 ["cf::player" => qw(peaceful send_msg)],
3135 ["cf::map" => qw(trigger)], 3080 ["cf::map" => qw(trigger)],
3136) { 3081) {
3137 no strict 'refs'; 3082 no strict 'refs';
3138 my ($pkg, @funs) = @$_; 3083 my ($pkg, @funs) = @$_;
3139 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3084 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3156 my ($code, %vars) = @_; 3101 my ($code, %vars) = @_;
3157 3102
3158 my $qcode = $code; 3103 my $qcode = $code;
3159 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3104 $qcode =~ s/"/‟/g; # not allowed in #line filenames
3160 $qcode =~ s/\n/\\n/g; 3105 $qcode =~ s/\n/\\n/g;
3106
3107 %vars = (_dummy => 0) unless %vars;
3161 3108
3162 local $_; 3109 local $_;
3163 local @safe::cf::_safe_eval_args = values %vars; 3110 local @safe::cf::_safe_eval_args = values %vars;
3164 3111
3165 my $eval = 3112 my $eval =
3395 reload_treasures; 3342 reload_treasures;
3396 3343
3397 warn "finished reloading resource files\n"; 3344 warn "finished reloading resource files\n";
3398} 3345}
3399 3346
3400sub init {
3401 my $guard = freeze_mainloop;
3402
3403 reload_resources;
3404}
3405
3406sub reload_config { 3347sub reload_config {
3407 open my $fh, "<:utf8", "$CONFDIR/config" 3348 open my $fh, "<:utf8", "$CONFDIR/config"
3408 or return; 3349 or return;
3409 3350
3410 local $/; 3351 local $/;
3422 }; 3363 };
3423 warn $@ if $@; 3364 warn $@ if $@;
3424 } 3365 }
3425} 3366}
3426 3367
3368sub pidfile() {
3369 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3370 or die "$PIDFILE: $!";
3371 flock $fh, &Fcntl::LOCK_EX
3372 or die "$PIDFILE: flock: $!";
3373 $fh
3374}
3375
3376# make sure only one server instance is running at any one time
3377sub atomic {
3378 my $fh = pidfile;
3379
3380 my $pid = <$fh>;
3381 kill 9, $pid if $pid > 0;
3382
3383 seek $fh, 0, 0;
3384 print $fh $$;
3385}
3386
3427sub main { 3387sub main {
3388 cf::init_globals; # initialise logging
3389
3390 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3391 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3392 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3393 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3394
3395 cf::init_experience;
3396 cf::init_anim;
3397 cf::init_attackmess;
3398 cf::init_dynamic;
3399
3400 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3401
3428 # we must not ever block the main coroutine 3402 # we must not ever block the main coroutine
3429 local $Coro::idle = sub { 3403 local $Coro::idle = sub {
3430 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3404 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3431 (async { 3405 (async {
3432 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3406 $Coro::current->{desc} = "IDLE BUG HANDLER";
3433 EV::loop EV::LOOP_ONESHOT; 3407 EV::loop EV::LOOP_ONESHOT;
3434 })->prio (Coro::PRIO_MAX); 3408 })->prio (Coro::PRIO_MAX);
3435 }; 3409 };
3436 3410
3437 { 3411 evthread_start IO::AIO::poll_fileno;
3438 my $guard = freeze_mainloop; 3412
3413 cf::sync_job {
3414 reload_resources;
3439 reload_config; 3415 reload_config;
3440 db_init; 3416 db_init;
3417
3418 cf::load_settings;
3419 cf::load_materials;
3420 cf::init_uuid;
3421 cf::init_signals;
3422 cf::init_commands;
3423 cf::init_skills;
3424
3425 cf::init_beforeplay;
3426
3427 atomic;
3428
3441 load_extensions; 3429 load_extensions;
3442 3430
3443 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3431 utime time, time, $RUNTIMEFILE;
3432
3433 # no (long-running) fork's whatsoever before this point(!)
3434 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3435
3436 (pop @POST_INIT)->(0) while @POST_INIT;
3444 } 3437 };
3445 3438
3446 EV::loop; 3439 EV::loop;
3447} 3440}
3448 3441
3449############################################################################# 3442#############################################################################
3458 }; 3451 };
3459 } 3452 }
3460} 3453}
3461 3454
3462sub write_runtime_sync { 3455sub write_runtime_sync {
3463 my $runtime = "$LOCALDIR/runtime";
3464
3465 # first touch the runtime file to show we are still running: 3456 # first touch the runtime file to show we are still running:
3466 # the fsync below can take a very very long time. 3457 # the fsync below can take a very very long time.
3467 3458
3468 IO::AIO::aio_utime $runtime, undef, undef; 3459 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3469 3460
3470 my $guard = cf::lock_acquire "write_runtime"; 3461 my $guard = cf::lock_acquire "write_runtime";
3471 3462
3472 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3463 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3473 or return; 3464 or return;
3474 3465
3475 my $value = $cf::RUNTIME + 90 + 10; 3466 my $value = $cf::RUNTIME + 90 + 10;
3476 # 10 is the runtime save interval, for a monotonic clock 3467 # 10 is the runtime save interval, for a monotonic clock
3477 # 60 allows for the watchdog to kill the server. 3468 # 60 allows for the watchdog to kill the server.
3487 aio_utime $fh, undef, undef; 3478 aio_utime $fh, undef, undef;
3488 3479
3489 close $fh 3480 close $fh
3490 or return; 3481 or return;
3491 3482
3492 aio_rename "$runtime~", $runtime 3483 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3493 and return; 3484 and return;
3494 3485
3495 warn "runtime file written.\n"; 3486 warn "runtime file written.\n";
3496 3487
3497 1 3488 1
3509 my $uuid = "$LOCALDIR/uuid"; 3500 my $uuid = "$LOCALDIR/uuid";
3510 3501
3511 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644 3502 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3512 or return; 3503 or return;
3513 3504
3514 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur; 3505 my $value = uuid_seq uuid_cur;
3506
3507 unless ($value) {
3508 warn "cowardly refusing to write zero uuid value!\n";
3509 return;
3510 }
3511
3512 my $value = uuid_str $value + $uuid_skip;
3515 $uuid_skip = 0; 3513 $uuid_skip = 0;
3516 3514
3517 (aio_write $fh, 0, (length $value), $value, 0) <= 0 3515 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3518 and return; 3516 and return;
3519 3517
3541} 3539}
3542 3540
3543sub emergency_save() { 3541sub emergency_save() {
3544 my $freeze_guard = cf::freeze_mainloop; 3542 my $freeze_guard = cf::freeze_mainloop;
3545 3543
3546 warn "enter emergency perl save\n"; 3544 warn "emergency_perl_save: enter\n";
3547 3545
3548 cf::sync_job { 3546 cf::sync_job {
3547 # this is a trade-off: we want to be very quick here, so
3548 # save all maps without fsync, and later call a global sync
3549 # (which in turn might be very very slow)
3550 local $USE_FSYNC = 0;
3551
3549 # use a peculiar iteration method to avoid tripping on perl 3552 # use a peculiar iteration method to avoid tripping on perl
3550 # refcount bugs in for. also avoids problems with players 3553 # refcount bugs in for. also avoids problems with players
3551 # and maps saved/destroyed asynchronously. 3554 # and maps saved/destroyed asynchronously.
3552 warn "begin emergency player save\n"; 3555 warn "emergency_perl_save: begin player save\n";
3553 for my $login (keys %cf::PLAYER) { 3556 for my $login (keys %cf::PLAYER) {
3554 my $pl = $cf::PLAYER{$login} or next; 3557 my $pl = $cf::PLAYER{$login} or next;
3555 $pl->valid or next; 3558 $pl->valid or next;
3556 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3559 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3557 $pl->save; 3560 $pl->save;
3558 } 3561 }
3559 warn "end emergency player save\n"; 3562 warn "emergency_perl_save: end player save\n";
3560 3563
3561 warn "begin emergency map save\n"; 3564 warn "emergency_perl_save: begin map save\n";
3562 for my $path (keys %cf::MAP) { 3565 for my $path (keys %cf::MAP) {
3563 my $map = $cf::MAP{$path} or next; 3566 my $map = $cf::MAP{$path} or next;
3564 $map->valid or next; 3567 $map->valid or next;
3565 $map->save; 3568 $map->save;
3566 } 3569 }
3567 warn "end emergency map save\n"; 3570 warn "emergency_perl_save: end map save\n";
3568 3571
3569 warn "begin emergency database checkpoint\n"; 3572 warn "emergency_perl_save: begin database checkpoint\n";
3570 BDB::db_env_txn_checkpoint $DB_ENV; 3573 BDB::db_env_txn_checkpoint $DB_ENV;
3571 warn "end emergency database checkpoint\n"; 3574 warn "emergency_perl_save: end database checkpoint\n";
3572 3575
3573 warn "begin write uuid\n"; 3576 warn "emergency_perl_save: begin write uuid\n";
3574 write_uuid_sync 1; 3577 write_uuid_sync 1;
3575 warn "end write uuid\n"; 3578 warn "emergency_perl_save: end write uuid\n";
3576 }; 3579 };
3577 3580
3581 warn "emergency_perl_save: starting sync()\n";
3582 IO::AIO::aio_sync sub {
3583 warn "emergency_perl_save: finished sync()\n";
3584 };
3585
3578 warn "leave emergency perl save\n"; 3586 warn "emergency_perl_save: leave\n";
3579} 3587}
3580 3588
3581sub post_cleanup { 3589sub post_cleanup {
3582 my ($make_core) = @_; 3590 my ($make_core) = @_;
3583 3591
3584 warn Carp::longmess "post_cleanup backtrace" 3592 warn Carp::longmess "post_cleanup backtrace"
3585 if $make_core; 3593 if $make_core;
3594
3595 my $fh = pidfile;
3596 unlink $PIDFILE if <$fh> == $$;
3597}
3598
3599# a safer delete_package, copied from Symbol
3600sub clear_package($) {
3601 my $pkg = shift;
3602
3603 # expand to full symbol table name if needed
3604 unless ($pkg =~ /^main::.*::$/) {
3605 $pkg = "main$pkg" if $pkg =~ /^::/;
3606 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3607 $pkg .= '::' unless $pkg =~ /::$/;
3608 }
3609
3610 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3611 my $stem_symtab = *{$stem}{HASH};
3612
3613 defined $stem_symtab and exists $stem_symtab->{$leaf}
3614 or return;
3615
3616 # clear all symbols
3617 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3618 for my $name (keys %$leaf_symtab) {
3619 _gv_clear *{"$pkg$name"};
3620# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3621 }
3622 warn "cleared package $pkg\n";#d#
3586} 3623}
3587 3624
3588sub do_reload_perl() { 3625sub do_reload_perl() {
3589 # can/must only be called in main 3626 # can/must only be called in main
3590 if ($Coro::current != $Coro::main) { 3627 if ($Coro::current != $Coro::main) {
3591 warn "can only reload from main coroutine"; 3628 warn "can only reload from main coroutine";
3592 return; 3629 return;
3593 } 3630 }
3594 3631
3632 return if $RELOAD++;
3633
3634 my $t1 = EV::time;
3635
3636 while ($RELOAD) {
3595 warn "reloading..."; 3637 warn "reloading...";
3596 3638
3597 warn "entering sync_job"; 3639 warn "entering sync_job";
3598 3640
3599 cf::sync_job { 3641 cf::sync_job {
3600 cf::write_runtime_sync; # external watchdog should not bark 3642 cf::write_runtime_sync; # external watchdog should not bark
3601 cf::emergency_save; 3643 cf::emergency_save;
3602 cf::write_runtime_sync; # external watchdog should not bark 3644 cf::write_runtime_sync; # external watchdog should not bark
3603 3645
3604 warn "syncing database to disk"; 3646 warn "syncing database to disk";
3605 BDB::db_env_txn_checkpoint $DB_ENV; 3647 BDB::db_env_txn_checkpoint $DB_ENV;
3606 3648
3607 # if anything goes wrong in here, we should simply crash as we already saved 3649 # if anything goes wrong in here, we should simply crash as we already saved
3608 3650
3609 warn "flushing outstanding aio requests"; 3651 warn "flushing outstanding aio requests";
3610 for (;;) {
3611 BDB::flush;
3612 IO::AIO::flush;
3613 Coro::cede_notself;
3614 last unless IO::AIO::nreqs || BDB::nreqs; 3652 while (IO::AIO::nreqs || BDB::nreqs) {
3615 warn "iterate..."; 3653 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3616 }
3617
3618 ++$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 } 3654 }
3641 3655
3642 warn "... nuking $pkg"; 3656 warn "cancelling all extension coros";
3643 Symbol::delete_package $pkg; 3657 $_->cancel for values %EXT_CORO;
3644 } 3658 %EXT_CORO = ();
3645 3659
3646 warn "unloading all perl modules loaded from $LIBDIR"; 3660 warn "removing commands";
3647 while (my ($k, $v) = each %INC) { 3661 %COMMAND = ();
3648 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3649 3662
3663 warn "removing ext/exti commands";
3664 %EXTCMD = ();
3665 %EXTICMD = ();
3666
3667 warn "unloading/nuking all extensions";
3668 for my $pkg (@EXTS) {
3650 warn "... unloading $k"; 3669 warn "... unloading $pkg";
3651 delete $INC{$k};
3652 3670
3653 $k =~ s/\.pm$//;
3654 $k =~ s/\//::/g;
3655
3656 if (my $cb = $k->can ("unload_module")) { 3671 if (my $cb = $pkg->can ("unload")) {
3672 eval {
3657 $cb->(); 3673 $cb->($pkg);
3674 1
3675 } or warn "$pkg unloaded, but with errors: $@";
3676 }
3677
3678 warn "... clearing $pkg";
3679 clear_package $pkg;
3658 } 3680 }
3659 3681
3660 Symbol::delete_package $k; 3682 warn "unloading all perl modules loaded from $LIBDIR";
3683 while (my ($k, $v) = each %INC) {
3684 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3685
3686 warn "... unloading $k";
3687 delete $INC{$k};
3688
3689 $k =~ s/\.pm$//;
3690 $k =~ s/\//::/g;
3691
3692 if (my $cb = $k->can ("unload_module")) {
3693 $cb->();
3694 }
3695
3696 clear_package $k;
3661 } 3697 }
3662 3698
3663 warn "getting rid of safe::, as good as possible"; 3699 warn "getting rid of safe::, as good as possible";
3664 Symbol::delete_package "safe::$_" 3700 clear_package "safe::$_"
3665 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3701 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3666 3702
3667 warn "unloading cf.pm \"a bit\""; 3703 warn "unloading cf.pm \"a bit\"";
3668 delete $INC{"cf.pm"}; 3704 delete $INC{"cf.pm"};
3669 delete $INC{"cf/pod.pm"}; 3705 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3670 3706
3671 # don't, removes xs symbols, too, 3707 # don't, removes xs symbols, too,
3672 # and global variables created in xs 3708 # and global variables created in xs
3673 #Symbol::delete_package __PACKAGE__; 3709 #clear_package __PACKAGE__;
3674 3710
3675 warn "unload completed, starting to reload now"; 3711 warn "unload completed, starting to reload now";
3676 3712
3677 warn "reloading cf.pm"; 3713 warn "reloading cf.pm";
3678 require cf; 3714 require cf;
3679 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3715 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3680 3716
3681 warn "loading config and database again"; 3717 warn "loading config and database again";
3682 cf::reload_config; 3718 cf::reload_config;
3683 3719
3684 warn "loading extensions"; 3720 warn "loading extensions";
3685 cf::load_extensions; 3721 cf::load_extensions;
3686 3722
3723 if ($REATTACH_ON_RELOAD) {
3687 warn "reattaching attachments to objects/players"; 3724 warn "reattaching attachments to objects/players";
3688 _global_reattach; # objects, sockets 3725 _global_reattach; # objects, sockets
3689 warn "reattaching attachments to maps"; 3726 warn "reattaching attachments to maps";
3690 reattach $_ for values %MAP; 3727 reattach $_ for values %MAP;
3691 warn "reattaching attachments to players"; 3728 warn "reattaching attachments to players";
3692 reattach $_ for values %PLAYER; 3729 reattach $_ for values %PLAYER;
3730 }
3693 3731
3732 warn "running post_init jobs";
3733 (pop @POST_INIT)->(1) while @POST_INIT;
3734
3694 warn "leaving sync_job"; 3735 warn "leaving sync_job";
3695 3736
3696 1 3737 1
3697 } or do { 3738 } or do {
3698 warn $@; 3739 warn $@;
3699 cf::cleanup "error while reloading, exiting."; 3740 cf::cleanup "error while reloading, exiting.";
3700 }; 3741 };
3701 3742
3702 warn "reloaded"; 3743 warn "reloaded";
3744 --$RELOAD;
3745 }
3746
3747 $t1 = EV::time - $t1;
3748 warn "reload completed in ${t1}s\n";
3703}; 3749};
3704 3750
3705our $RELOAD_WATCHER; # used only during reload 3751our $RELOAD_WATCHER; # used only during reload
3706 3752
3707sub reload_perl() { 3753sub reload_perl() {
3708 # doing reload synchronously and two reloads happen back-to-back, 3754 # doing reload synchronously and two reloads happen back-to-back,
3709 # coro crashes during coro_state_free->destroy here. 3755 # coro crashes during coro_state_free->destroy here.
3710 3756
3757 $RELOAD_WATCHER ||= cf::async {
3758 Coro::AIO::aio_wait cache_extensions;
3759
3711 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3760 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3712 do_reload_perl; 3761 do_reload_perl;
3713 undef $RELOAD_WATCHER; 3762 undef $RELOAD_WATCHER;
3763 };
3714 }; 3764 };
3715} 3765}
3716 3766
3717register_command "reload" => sub { 3767register_command "reload" => sub {
3718 my ($who, $arg) = @_; 3768 my ($who, $arg) = @_;
3793 BDB::max_poll_reqs $TICK * 0.1; 3843 BDB::max_poll_reqs $TICK * 0.1;
3794 $AnyEvent::BDB::WATCHER->priority (1); 3844 $AnyEvent::BDB::WATCHER->priority (1);
3795 3845
3796 unless ($DB_ENV) { 3846 unless ($DB_ENV) {
3797 $DB_ENV = BDB::db_env_create; 3847 $DB_ENV = BDB::db_env_create;
3798 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3848 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3799 | BDB::LOG_AUTOREMOVE, 1); 3849 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3850 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3800 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT); 3851 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3801 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT); 3852 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3802 3853
3803 cf::sync_job { 3854 cf::sync_job {
3804 eval { 3855 eval {
3830{ 3881{
3831 # configure IO::AIO 3882 # configure IO::AIO
3832 3883
3833 IO::AIO::min_parallel 8; 3884 IO::AIO::min_parallel 8;
3834 IO::AIO::max_poll_time $TICK * 0.1; 3885 IO::AIO::max_poll_time $TICK * 0.1;
3835 #undef $AnyEvent::AIO::WATCHER; 3886 undef $AnyEvent::AIO::WATCHER;
3836} 3887}
3837 3888
3838my $_log_backtrace; 3889my $_log_backtrace;
3839 3890
3840sub _log_backtrace { 3891sub _log_backtrace {
3843 $msg =~ s/\n//; 3894 $msg =~ s/\n//;
3844 3895
3845 # limit the # of concurrent backtraces 3896 # limit the # of concurrent backtraces
3846 if ($_log_backtrace < 2) { 3897 if ($_log_backtrace < 2) {
3847 ++$_log_backtrace; 3898 ++$_log_backtrace;
3899 my $perl_bt = Carp::longmess $msg;
3848 async { 3900 async {
3849 $Coro::current->{desc} = "abt $msg"; 3901 $Coro::current->{desc} = "abt $msg";
3850 3902
3851 my @bt = fork_call { 3903 my @bt = fork_call {
3852 @addr = map { sprintf "%x", $_ } @addr; 3904 @addr = map { sprintf "%x", $_ } @addr;
3863 } 3915 }
3864 3916
3865 @funcs 3917 @funcs
3866 }; 3918 };
3867 3919
3868 LOG llevInfo, "[ABT] $msg\n"; 3920 LOG llevInfo, "[ABT] $perl_bt\n";
3921 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3869 LOG llevInfo, "[ABT] $_\n" for @bt; 3922 LOG llevInfo, "[ABT] $_\n" for @bt;
3870 --$_log_backtrace; 3923 --$_log_backtrace;
3871 }; 3924 };
3872 } else { 3925 } else {
3873 LOG llevInfo, "[ABT] $msg\n"; 3926 LOG llevInfo, "[ABT] $msg\n";
3874 LOG llevInfo, "[ABT] [suppressed]\n"; 3927 LOG llevInfo, "[ABT] [suppressed]\n";
3875 } 3928 }
3876} 3929}
3877 3930
3878# load additional modules 3931# load additional modules
3879use cf::pod; 3932require "cf/$_.pm" for @EXTRA_MODULES;
3880 3933
3881END { cf::emergency_save } 3934END { cf::emergency_save }
3882 3935
3883evthread_start IO::AIO::poll_fileno;
3884
38851 39361
3886 3937

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