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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.427 by root, Sat Apr 26 12:25:45 2008 UTC vs.
Revision 1.466 by root, Thu Jan 8 03:03:24 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 3.2; 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 4.50 (); 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;
47use Coro::AnyEvent;
43use Coro::AIO; 48use Coro::AIO;
44use Coro::BDB; 49use Coro::BDB 1.6;
45use Coro::Storable; 50use Coro::Storable;
46use Coro::Util (); 51use Coro::Util ();
47 52
48use JSON::XS 2.01 (); 53use JSON::XS 2.01 ();
49use BDB (); 54use BDB ();
50use Data::Dumper; 55use Data::Dumper;
51use Digest::MD5; 56use Digest::MD5;
52use Fcntl; 57use Fcntl;
53use YAML (); 58use YAML ();
54use IO::AIO 2.51 (); 59use IO::AIO ();
55use Time::HiRes; 60use Time::HiRes;
56use Compress::LZF; 61use Compress::LZF;
57use Digest::MD5 (); 62use Digest::MD5 ();
63
64AnyEvent::detect;
58 65
59# configure various modules to our taste 66# configure various modules to our taste
60# 67#
61$Storable::canonical = 1; # reduce rsync transfers 68$Storable::canonical = 1; # reduce rsync transfers
62Coro::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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
63Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64
65$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
66 76
67sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 77sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
68 78
69our %COMMAND = (); 79our %COMMAND = ();
70our %COMMAND_TIME = (); 80our %COMMAND_TIME = ();
73our %EXTCMD = (); 83our %EXTCMD = ();
74our %EXTICMD = (); 84our %EXTICMD = ();
75our %EXT_CORO = (); # coroutines bound to extensions 85our %EXT_CORO = (); # coroutines bound to extensions
76our %EXT_MAP = (); # pluggable maps 86our %EXT_MAP = (); # pluggable maps
77 87
78our $RELOAD; # number of reloads so far 88our $RELOAD; # number of reloads so far, non-zero while in reload
79our @EVENT; 89our @EVENT;
80 90
81our $CONFDIR = confdir; 91our $CONFDIR = confdir;
82our $DATADIR = datadir; 92our $DATADIR = datadir;
83our $LIBDIR = "$DATADIR/ext"; 93our $LIBDIR = "$DATADIR/ext";
84our $PODDIR = "$DATADIR/pod"; 94our $PODDIR = "$DATADIR/pod";
85our $MAPDIR = "$DATADIR/" . mapdir; 95our $MAPDIR = "$DATADIR/" . mapdir;
86our $LOCALDIR = localdir; 96our $LOCALDIR = localdir;
87our $TMPDIR = "$LOCALDIR/" . tmpdir; 97our $TMPDIR = "$LOCALDIR/" . tmpdir;
88our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 98our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89our $PLAYERDIR = "$LOCALDIR/" . playerdir; 99our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90our $RANDOMDIR = "$LOCALDIR/random"; 100our $RANDOMDIR = "$LOCALDIR/random";
91our $BDBDIR = "$LOCALDIR/db"; 101our $BDBDIR = "$LOCALDIR/db";
102our $PIDFILE = "$LOCALDIR/pid";
103our $RUNTIMEFILE = "$LOCALDIR/runtime";
104
92our %RESOURCE; 105our %RESOURCE;
93 106
94our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 107our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95our $AIO_POLL_WATCHER;
96our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 108our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97our $NEXT_TICK; 109our $NEXT_TICK;
98our $USE_FSYNC = 1; # use fsync to write maps - default off 110our $USE_FSYNC = 1; # use fsync to write maps - default off
99 111
100our $BDB_POLL_WATCHER;
101our $BDB_DEADLOCK_WATCHER; 112our $BDB_DEADLOCK_WATCHER;
102our $BDB_CHECKPOINT_WATCHER; 113our $BDB_CHECKPOINT_WATCHER;
103our $BDB_TRICKLE_WATCHER; 114our $BDB_TRICKLE_WATCHER;
104our $DB_ENV; 115our $DB_ENV;
105 116
117our @EXTRA_MODULES = qw(pod mapscript);
118
106our %CFG; 119our %CFG;
107 120
108our $UPTIME; $UPTIME ||= time; 121our $UPTIME; $UPTIME ||= time;
109our $RUNTIME; 122our $RUNTIME;
110our $NOW; 123our $NOW;
119our $LOAD; # a number between 0 (idle) and 1 (too many objects) 132our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120our $LOADAVG; # same thing, but with alpha-smoothing 133our $LOADAVG; # same thing, but with alpha-smoothing
121our $JITTER; # average jitter 134our $JITTER; # average jitter
122our $TICK_START; # for load detecting purposes 135our $TICK_START; # for load detecting purposes
123 136
137our @POST_INIT;
138
139our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
140
124binmode STDOUT; 141binmode STDOUT;
125binmode STDERR; 142binmode STDERR;
126 143
127# read virtual server time, if available 144# read virtual server time, if available
128unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 145unless ($RUNTIME || !-e $RUNTIMEFILE) {
129 open my $fh, "<", "$LOCALDIR/runtime" 146 open my $fh, "<", $RUNTIMEFILE
130 or die "unable to read runtime file: $!"; 147 or die "unable to read $RUNTIMEFILE file: $!";
131 $RUNTIME = <$fh> + 0.; 148 $RUNTIME = <$fh> + 0.;
132} 149}
133 150
134mkdir $_ 151mkdir $_
135 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 152 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
242for my $pkg (qw( 259for my $pkg (qw(
243 cf::global cf::attachable 260 cf::global cf::attachable
244 cf::object cf::object::player 261 cf::object cf::object::player
245 cf::client cf::player 262 cf::client cf::player
246 cf::arch cf::living 263 cf::arch cf::living
264 cf::map cf::mapspace
247 cf::map cf::party cf::region 265 cf::party cf::region
248)) { 266)) {
249 no strict 'refs';
250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 267 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251} 268}
252 269
253$EV::DIED = sub { 270$EV::DIED = sub {
254 warn "error in event callback: @_"; 271 warn "error in event callback: @_";
296our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 313our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297 314
298sub encode_json($) { $json_coder->encode ($_[0]) } 315sub encode_json($) { $json_coder->encode ($_[0]) }
299sub decode_json($) { $json_coder->decode ($_[0]) } 316sub decode_json($) { $json_coder->decode ($_[0]) }
300 317
318=item cf::post_init { BLOCK }
319
320Execute the given codeblock, I<after> all extensions have been (re-)loaded,
321but I<before> the server starts ticking again.
322
323The cdoeblock will have a single boolean argument to indicate whether this
324is a reload or not.
325
326=cut
327
328sub post_init(&) {
329 push @POST_INIT, shift;
330}
331
301=item cf::lock_wait $string 332=item cf::lock_wait $string
302 333
303Wait until the given lock is available. See cf::lock_acquire. 334Wait until the given lock is available. See cf::lock_acquire.
304 335
305=item my $lock = cf::lock_acquire $string 336=item my $lock = cf::lock_acquire $string
306 337
307Wait until the given lock is available and then acquires it and returns 338Wait until the given lock is available and then acquires it and returns
308a Coro::guard object. If the guard object gets destroyed (goes out of scope, 339a L<Guard> object. If the guard object gets destroyed (goes out of scope,
309for example when the coroutine gets canceled), the lock is automatically 340for example when the coroutine gets canceled), the lock is automatically
310returned. 341returned.
311 342
312Locks are *not* recursive, locking from the same coro twice results in a 343Locks are *not* recursive, locking from the same coro twice results in a
313deadlocked coro. 344deadlocked coro.
319 350
320Return true if the lock is currently active, i.e. somebody has locked it. 351Return true if the lock is currently active, i.e. somebody has locked it.
321 352
322=cut 353=cut
323 354
324our %LOCK; 355our $LOCKS = new Coro::SemaphoreSet;
325our %LOCKER;#d#
326 356
327sub lock_wait($) { 357sub lock_wait($) {
328 my ($key) = @_; 358 $LOCKS->wait ($_[0]);
329
330 if ($LOCKER{$key} == $Coro::current) {#d#
331 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332 return;#d#
333 }#d#
334
335 # wait for lock, if any
336 while ($LOCK{$key}) {
337 push @{ $LOCK{$key} }, $Coro::current;
338 Coro::schedule;
339 }
340} 359}
341 360
342sub lock_acquire($) { 361sub lock_acquire($) {
343 my ($key) = @_; 362 $LOCKS->guard ($_[0])
344
345 # wait, to be sure we are not locked
346 lock_wait $key;
347
348 $LOCK{$key} = [];
349 $LOCKER{$key} = $Coro::current;#d#
350
351 Coro::guard {
352 delete $LOCKER{$key};#d#
353 # wake up all waiters, to be on the safe side
354 $_->ready for @{ delete $LOCK{$key} };
355 }
356} 363}
357 364
358sub lock_active($) { 365sub lock_active($) {
359 my ($key) = @_; 366 $LOCKS->count ($_[0]) < 1
360
361 ! ! $LOCK{$key}
362} 367}
363 368
364sub freeze_mainloop { 369sub freeze_mainloop {
365 tick_inhibit_inc; 370 tick_inhibit_inc;
366 371
367 Coro::guard \&tick_inhibit_dec; 372 &Guard::guard (\&tick_inhibit_dec);
368} 373}
369 374
370=item cf::periodic $interval, $cb 375=item cf::periodic $interval, $cb
371 376
372Like EV::periodic, but randomly selects a starting point so that the actions 377Like EV::periodic, but randomly selects a starting point so that the actions
724 729
725############################################################################# 730#############################################################################
726 731
727=head2 ATTACHABLE OBJECTS 732=head2 ATTACHABLE OBJECTS
728 733
729Many objects in crossfire are so-called attachable objects. That means you can 734Many objects in deliantra are so-called attachable objects. That means you can
730attach callbacks/event handlers (a collection of which is called an "attachment") 735attach callbacks/event handlers (a collection of which is called an "attachment")
731to it. All such attachable objects support the following methods. 736to it. All such attachable objects support the following methods.
732 737
733In the following description, CLASS can be any of C<global>, C<object> 738In the following description, CLASS can be any of C<global>, C<object>
734C<player>, C<client> or C<map> (i.e. the attachable objects in 739C<player>, C<client> or C<map> (i.e. the attachable objects in
784=item cf::CLASS::attachment $name, ... 789=item cf::CLASS::attachment $name, ...
785 790
786Register an attachment by C<$name> through which attachable objects of the 791Register an attachment by C<$name> through which attachable objects of the
787given CLASS can refer to this attachment. 792given CLASS can refer to this attachment.
788 793
789Some classes such as crossfire maps and objects can specify attachments 794Some classes such as deliantra maps and objects can specify attachments
790that are attached at load/instantiate time, thus the need for a name. 795that are attached at load/instantiate time, thus the need for a name.
791 796
792These calls expect any number of the following handler/hook descriptions: 797These calls expect any number of the following handler/hook descriptions:
793 798
794=over 4 799=over 4
1085 1090
1086sub reattach { 1091sub reattach {
1087 # basically do the same as instantiate, without calling instantiate 1092 # basically do the same as instantiate, without calling instantiate
1088 my ($obj) = @_; 1093 my ($obj) = @_;
1089 1094
1095 # no longer needed after getting rid of delete_package?
1090 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1096 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1091 1097
1092 my $registry = $obj->registry; 1098 my $registry = $obj->registry;
1093 1099
1094 @$registry = (); 1100 @$registry = ();
1095 1101
1160 } else { 1166 } else {
1161 aio_unlink "$filename.pst"; 1167 aio_unlink "$filename.pst";
1162 } 1168 }
1163 1169
1164 aio_rename "$filename~", $filename; 1170 aio_rename "$filename~", $filename;
1171
1172 $filename =~ s%/[^/]+$%%;
1173 aio_pathsync $filename if $cf::USE_FSYNC;
1165 } else { 1174 } else {
1166 warn "FATAL: $filename~: $!\n"; 1175 warn "unable to save objects: $filename~: $!\n";
1167 } 1176 }
1168 } else { 1177 } else {
1169 aio_unlink $filename; 1178 aio_unlink $filename;
1170 aio_unlink "$filename.pst"; 1179 aio_unlink "$filename.pst";
1171 } 1180 }
1262 my ($name, $cb) = @_; 1271 my ($name, $cb) = @_;
1263 1272
1264 $EXTICMD{$name} = $cb; 1273 $EXTICMD{$name} = $cb;
1265} 1274}
1266 1275
1276use File::Glob ();
1277
1267cf::player->attach ( 1278cf::player->attach (
1268 on_command => sub { 1279 on_command => sub {
1269 my ($pl, $name, $params) = @_; 1280 my ($pl, $name, $params) = @_;
1270 1281
1271 my $cb = $COMMAND{$name} 1282 my $cb = $COMMAND{$name}
1303 1314
1304 cf::override; 1315 cf::override;
1305 }, 1316 },
1306); 1317);
1307 1318
1319# "readahead" all extensions
1320sub cache_extensions {
1321 my $grp = IO::AIO::aio_group;
1322
1323 add $grp IO::AIO::aio_readdir $LIBDIR, sub {
1324 for (grep /\.ext$/, @{$_[0]}) {
1325 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1326 }
1327 };
1328
1329 $grp
1330}
1331
1308sub load_extensions { 1332sub load_extensions {
1309 cf::sync_job { 1333 cf::sync_job {
1310 my %todo; 1334 my %todo;
1311 1335
1312 for my $path (<$LIBDIR/*.ext>) { 1336 for my $path (<$LIBDIR/*.ext>) {
1331 1355
1332 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1356 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1357 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334 1358
1335 $ext{source} = 1359 $ext{source} =
1336 "package $pkg; use strict; use utf8;\n" 1360 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1337 . "#line 1 \"$path\"\n{\n" 1361 . "#line 1 \"$path\"\n{\n"
1338 . $source 1362 . $source
1339 . "\n};\n1"; 1363 . "\n};\n1";
1340 1364
1341 $todo{$base} = \%ext; 1365 $todo{$base} = \%ext;
1381 1405
1382=back 1406=back
1383 1407
1384=head2 CORE EXTENSIONS 1408=head2 CORE EXTENSIONS
1385 1409
1386Functions and methods that extend core crossfire objects. 1410Functions and methods that extend core deliantra objects.
1387 1411
1388=cut 1412=cut
1389 1413
1390package cf::player; 1414package cf::player;
1391 1415
1434 1458
1435sub exists($) { 1459sub exists($) {
1436 my ($login) = @_; 1460 my ($login) = @_;
1437 1461
1438 $cf::PLAYER{$login} 1462 $cf::PLAYER{$login}
1439 or cf::sync_job { !aio_stat path $login } 1463 or !aio_stat path $login
1440} 1464}
1441 1465
1442sub find($) { 1466sub find($) {
1443 return $cf::PLAYER{$_[0]} || do { 1467 return $cf::PLAYER{$_[0]} || do {
1444 my $login = $_[0]; 1468 my $login = $_[0];
1519 my ($pl) = @_; 1543 my ($pl) = @_;
1520 1544
1521 my $name = $pl->ob->name; 1545 my $name = $pl->ob->name;
1522 1546
1523 $pl->{deny_save} = 1; 1547 $pl->{deny_save} = 1;
1524 $pl->password ("*"); # this should lock out the player until we nuked the dir 1548 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1525 1549
1526 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1550 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1527 $pl->deactivate; 1551 $pl->deactivate;
1552 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1553 $pl->ob->check_score;
1528 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1554 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1529 $pl->ns->destroy if $pl->ns; 1555 $pl->ns->destroy if $pl->ns;
1530 1556
1531 my $path = playerdir $pl; 1557 my $path = playerdir $pl;
1532 my $temp = "$path~$cf::RUNTIME~deleting~"; 1558 my $temp = "$path~$cf::RUNTIME~deleting~";
1613 } 1639 }
1614 1640
1615 \@paths 1641 \@paths
1616} 1642}
1617 1643
1618=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1644=item $protocol_xml = $player->expand_cfpod ($cfpod)
1619 1645
1620Expand crossfire pod fragments into protocol xml. 1646Expand deliantra pod fragments into protocol xml.
1621
1622=cut
1623
1624use re 'eval';
1625
1626my $group;
1627my $interior; $interior = qr{
1628 # match a pod interior sequence sans C<< >>
1629 (?:
1630 \ (.*?)\ (?{ $group = $^N })
1631 | < (??{$interior}) >
1632 )
1633}x;
1634
1635sub expand_cfpod {
1636 my ($self, $pod) = @_;
1637
1638 my $xml;
1639
1640 while () {
1641 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1642 $group = $1;
1643
1644 $group =~ s/&/&amp;/g;
1645 $group =~ s/</&lt;/g;
1646
1647 $xml .= $group;
1648 } elsif ($pod =~ m%\G
1649 ([BCGHITU])
1650 <
1651 (?:
1652 ([^<>]*) (?{ $group = $^N })
1653 | < $interior >
1654 )
1655 >
1656 %gcsx
1657 ) {
1658 my ($code, $data) = ($1, $group);
1659
1660 if ($code eq "B") {
1661 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1662 } elsif ($code eq "I") {
1663 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1664 } elsif ($code eq "U") {
1665 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1666 } elsif ($code eq "C") {
1667 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1668 } elsif ($code eq "T") {
1669 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1670 } elsif ($code eq "G") {
1671 my ($male, $female) = split /\|/, $data;
1672 $data = $self->gender ? $female : $male;
1673 $xml .= expand_cfpod ($self, $data);
1674 } elsif ($code eq "H") {
1675 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1676 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1677 "")
1678 [$self->{hintmode}];
1679 } else {
1680 $xml .= "error processing '$code($data)' directive";
1681 }
1682 } else {
1683 if ($pod =~ /\G(.+)/) {
1684 warn "parse error while expanding $pod (at $1)";
1685 }
1686 last;
1687 }
1688 }
1689
1690 for ($xml) {
1691 # create single paragraphs (very hackish)
1692 s/(?<=\S)\n(?=\w)/ /g;
1693
1694 # compress some whitespace
1695 s/\s+\n/\n/g; # ws line-ends
1696 s/\n\n+/\n/g; # double lines
1697 s/^\n+//; # beginning lines
1698 s/\n+$//; # ending lines
1699 }
1700
1701 $xml
1702}
1703
1704no re 'eval';
1705
1706sub hintmode {
1707 $_[0]{hintmode} = $_[1] if @_ > 1;
1708 $_[0]{hintmode}
1709}
1710 1647
1711=item $player->ext_reply ($msgid, @msg) 1648=item $player->ext_reply ($msgid, @msg)
1712 1649
1713Sends an ext reply to the player. 1650Sends an ext reply to the player.
1714 1651
1927 1864
1928 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go; 1865 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1929 "$UNIQUEDIR/$path" 1866 "$UNIQUEDIR/$path"
1930} 1867}
1931 1868
1932# and all this just because we cannot iterate over
1933# all maps in C++...
1934sub change_all_map_light {
1935 my ($change) = @_;
1936
1937 $_->change_map_light ($change)
1938 for grep $_->outdoor, values %cf::MAP;
1939}
1940
1941sub decay_objects { 1869sub decay_objects {
1942 my ($self) = @_; 1870 my ($self) = @_;
1943 1871
1944 return if $self->{deny_reset}; 1872 return if $self->{deny_reset};
1945 1873
2027sub find { 1955sub find {
2028 my ($path, $origin) = @_; 1956 my ($path, $origin) = @_;
2029 1957
2030 $path = normalise $path, $origin && $origin->path; 1958 $path = normalise $path, $origin && $origin->path;
2031 1959
2032 cf::lock_wait "map_data:$path";#d#remove 1960 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2033 cf::lock_wait "map_find:$path"; 1961 my $guard2 = cf::lock_acquire "map_find:$path";
2034 1962
2035 $cf::MAP{$path} || do { 1963 $cf::MAP{$path} || do {
2036 my $guard1 = cf::lock_acquire "map_find:$path";
2037 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2038
2039 my $map = new_from_path cf::map $path 1964 my $map = new_from_path cf::map $path
2040 or return; 1965 or return;
2041 1966
2042 $map->{last_save} = $cf::RUNTIME; 1967 $map->{last_save} = $cf::RUNTIME;
2043 1968
2045 or return; 1970 or return;
2046 1971
2047 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 1972 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2048 # doing this can freeze the server in a sync job, obviously 1973 # doing this can freeze the server in a sync job, obviously
2049 #$cf::WAIT_FOR_TICK->wait; 1974 #$cf::WAIT_FOR_TICK->wait;
1975 undef $guard2;
2050 undef $guard1; 1976 undef $guard1;
2051 undef $guard2;
2052 $map->reset; 1977 $map->reset;
2053 return find $path; 1978 return find $path;
2054 } 1979 }
2055 1980
2056 $cf::MAP{$path} = $map 1981 $cf::MAP{$path} = $map
2083 my $f = new_from_file cf::object::thawer $self->{load_path}; 2008 my $f = new_from_file cf::object::thawer $self->{load_path};
2084 $f->skip_block; 2009 $f->skip_block;
2085 $self->_load_objects ($f) 2010 $self->_load_objects ($f)
2086 or return; 2011 or return;
2087 2012
2088 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2013 $self->post_load_original
2089 if delete $self->{load_original}; 2014 if delete $self->{load_original};
2090 2015
2091 if (my $uniq = $self->uniq_path) { 2016 if (my $uniq = $self->uniq_path) {
2092 utf8::encode $uniq; 2017 utf8::encode $uniq;
2093 unless (aio_stat $uniq) { 2018 unless (aio_stat $uniq) {
2110 2035
2111 unless ($self->{deny_activate}) { 2036 unless ($self->{deny_activate}) {
2112 $self->decay_objects; 2037 $self->decay_objects;
2113 $self->fix_auto_apply; 2038 $self->fix_auto_apply;
2114 $self->update_buttons; 2039 $self->update_buttons;
2115 cf::cede_to_tick;
2116 $self->set_darkness_map;
2117 cf::cede_to_tick; 2040 cf::cede_to_tick;
2118 $self->activate; 2041 $self->activate;
2119 } 2042 }
2120 2043
2121 $self->{last_save} = $cf::RUNTIME; 2044 $self->{last_save} = $cf::RUNTIME;
2459can be C<undef>. Does the right thing when the player is currently in a 2382can be C<undef>. Does the right thing when the player is currently in a
2460dialogue with the given NPC character. 2383dialogue with the given NPC character.
2461 2384
2462=cut 2385=cut
2463 2386
2387our $SAY_CHANNEL = {
2388 id => "say",
2389 title => "Map",
2390 reply => "say ",
2391 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2392};
2393
2394our $CHAT_CHANNEL = {
2395 id => "chat",
2396 title => "Chat",
2397 reply => "chat ",
2398 tooltip => "Player chat and shouts, global to the server.",
2399};
2400
2464# rough implementation of a future "reply" method that works 2401# rough implementation of a future "reply" method that works
2465# with dialog boxes. 2402# with dialog boxes.
2466#TODO: the first argument must go, split into a $npc->reply_to ( method 2403#TODO: the first argument must go, split into a $npc->reply_to ( method
2467sub cf::object::player::reply($$$;$) { 2404sub cf::object::player::reply($$$;$) {
2468 my ($self, $npc, $msg, $flags) = @_; 2405 my ($self, $npc, $msg, $flags) = @_;
2479 my $dialog = $pl->{npc_dialog}; 2416 my $dialog = $pl->{npc_dialog};
2480 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg)); 2417 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2481 2418
2482 } else { 2419 } else {
2483 $msg = $npc->name . " says: $msg" if $npc; 2420 $msg = $npc->name . " says: $msg" if $npc;
2484 $self->message ($msg, $flags); 2421 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2485 } 2422 }
2486 } 2423 }
2487} 2424}
2488 2425
2489=item $object->send_msg ($channel, $msg, $color, [extra...]) 2426=item $object->send_msg ($channel, $msg, $color, [extra...])
2514 2451
2515=item $player_object->enter_link 2452=item $player_object->enter_link
2516 2453
2517Freezes the player and moves him/her to a special map (C<{link}>). 2454Freezes the player and moves him/her to a special map (C<{link}>).
2518 2455
2519The player should be reasonably safe there for short amounts of time. You 2456The player should be reasonably safe there for short amounts of time (e.g.
2520I<MUST> call C<leave_link> as soon as possible, though. 2457for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2458though, as the palyer cannot control the character while it is on the link
2459map.
2521 2460
2522Will never block. 2461Will never block.
2523 2462
2524=item $player_object->leave_link ($map, $x, $y) 2463=item $player_object->leave_link ($map, $x, $y)
2525 2464
2583 2522
2584 $map->load; 2523 $map->load;
2585 $map->load_neighbours; 2524 $map->load_neighbours;
2586 2525
2587 return unless $self->contr->active; 2526 return unless $self->contr->active;
2527 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2588 $self->activate_recursive; 2528 $self->activate_recursive;
2589 2529
2590 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2530 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2591 $self->enter_map ($map, $x, $y); 2531 $self->enter_map ($map, $x, $y);
2592} 2532}
2596Moves the player to the given map-path and coordinates by first freezing 2536Moves the player to the given map-path and coordinates by first freezing
2597her, loading and preparing them map, calling the provided $check callback 2537her, loading and preparing them map, calling the provided $check callback
2598that has to return the map if sucecssful, and then unfreezes the player on 2538that has to return the map if sucecssful, and then unfreezes the player on
2599the new (success) or old (failed) map position. In either case, $done will 2539the new (success) or old (failed) map position. In either case, $done will
2600be called at the end of this process. 2540be called at the end of this process.
2541
2542Note that $check will be called with a potentially non-loaded map, so if
2543it needs a loaded map it has to call C<< ->load >>.
2601 2544
2602=cut 2545=cut
2603 2546
2604our $GOTOGEN; 2547our $GOTOGEN;
2605 2548
2684} 2627}
2685 2628
2686sub prepare_random_map { 2629sub prepare_random_map {
2687 my ($exit) = @_; 2630 my ($exit) = @_;
2688 2631
2689 my $guard = cf::lock_acquire "exit_prepare:$exit";
2690
2691 # all this does is basically replace the /! path by 2632 # all this does is basically replace the /! path by
2692 # a new random map path (?random/...) with a seed 2633 # a new random map path (?random/...) with a seed
2693 # that depends on the exit object 2634 # that depends on the exit object
2694 2635
2695 my $rmp = parse_random_map_params $exit->msg; 2636 my $rmp = parse_random_map_params $exit->msg;
2697 if ($exit->map) { 2638 if ($exit->map) {
2698 $rmp->{region} = $exit->region->name; 2639 $rmp->{region} = $exit->region->name;
2699 $rmp->{origin_map} = $exit->map->path; 2640 $rmp->{origin_map} = $exit->map->path;
2700 $rmp->{origin_x} = $exit->x; 2641 $rmp->{origin_x} = $exit->x;
2701 $rmp->{origin_y} = $exit->y; 2642 $rmp->{origin_y} = $exit->y;
2643
2644 $exit->map->touch;
2702 } 2645 }
2703 2646
2704 $rmp->{random_seed} ||= $exit->random_seed; 2647 $rmp->{random_seed} ||= $exit->random_seed;
2705 2648
2706 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp); 2649 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2710 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2653 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2711 aio_write $fh, 0, (length $data), $data, 0; 2654 aio_write $fh, 0, (length $data), $data, 0;
2712 undef $fh; 2655 undef $fh;
2713 aio_rename "$meta~", $meta; 2656 aio_rename "$meta~", $meta;
2714 2657
2658 my $slaying = "?random/$md5";
2659
2660 if ($exit->valid) {
2715 $exit->slaying ("?random/$md5"); 2661 $exit->slaying ("?random/$md5");
2716 $exit->msg (undef); 2662 $exit->msg (undef);
2663 }
2717 } 2664 }
2718} 2665}
2719 2666
2720sub cf::object::player::enter_exit { 2667sub cf::object::player::enter_exit {
2721 my ($self, $exit) = @_; 2668 my ($self, $exit) = @_;
2722 2669
2723 return unless $self->type == cf::PLAYER; 2670 return unless $self->type == cf::PLAYER;
2724 2671
2725 if ($exit->slaying eq "/!") {
2726 #TODO: this should de-fi-ni-te-ly not be a sync-job
2727 # the problem is that $exit might not survive long enough
2728 # so it needs to be done right now, right here
2729 cf::sync_job { prepare_random_map $exit };
2730 }
2731
2732 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2733 my $hp = $exit->stats->hp;
2734 my $sp = $exit->stats->sp;
2735
2736 $self->enter_link; 2672 $self->enter_link;
2737 2673
2738 # if exit is damned, update players death & WoR home-position
2739 $self->contr->savebed ($slaying, $hp, $sp)
2740 if $exit->flag (FLAG_DAMNED);
2741
2742 (async { 2674 (async {
2743 $Coro::current->{desc} = "enter_exit $slaying $hp $sp"; 2675 $Coro::current->{desc} = "enter_exit";
2744 2676
2745 $self->deactivate_recursive; # just to be sure
2746 unless (eval { 2677 unless (eval {
2678 $self->deactivate_recursive; # just to be sure
2679
2680 # random map handling
2681 {
2682 my $guard = cf::lock_acquire "exit_prepare:$exit";
2683
2684 prepare_random_map $exit
2685 if $exit->slaying eq "/!";
2686 }
2687
2688 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2689 my $x = $exit->stats->hp;
2690 my $y = $exit->stats->sp;
2691
2747 $self->goto ($slaying, $hp, $sp); 2692 $self->goto ($map, $x, $y);
2748 2693
2694 # if exit is damned, update players death & WoR home-position
2695 $self->contr->savebed ($map, $x, $y)
2696 if $exit->flag (cf::FLAG_DAMNED);
2697
2749 1; 2698 1
2750 }) { 2699 }) {
2751 $self->message ("Something went wrong deep within the crossfire server. " 2700 $self->message ("Something went wrong deep within the deliantra server. "
2752 . "I'll try to bring you back to the map you were before. " 2701 . "I'll try to bring you back to the map you were before. "
2753 . "Please report this to the dungeon master!", 2702 . "Please report this to the dungeon master!",
2754 cf::NDI_UNIQUE | cf::NDI_RED); 2703 cf::NDI_UNIQUE | cf::NDI_RED);
2755 2704
2756 warn "ERROR in enter_exit: $@"; 2705 warn "ERROR in enter_exit: $@";
2822 id => "infobox", 2771 id => "infobox",
2823 title => "Body Parts", 2772 title => "Body Parts",
2824 reply => undef, 2773 reply => undef,
2825 tooltip => "Shows which body parts you posess and are available", 2774 tooltip => "Shows which body parts you posess and are available",
2826 }, 2775 },
2776 "c/statistics" => {
2777 id => "infobox",
2778 title => "Statistics",
2779 reply => undef,
2780 tooltip => "Shows your primary statistics",
2781 },
2782 "c/skills" => {
2783 id => "infobox",
2784 title => "Skills",
2785 reply => undef,
2786 tooltip => "Shows your experience per skill and item power",
2787 },
2788 "c/resistances" => {
2789 id => "infobox",
2790 title => "Resistances",
2791 reply => undef,
2792 tooltip => "Shows your resistances",
2793 },
2794 "c/pets" => {
2795 id => "infobox",
2796 title => "Pets",
2797 reply => undef,
2798 tooltip => "Shows information abotu your pets/a specific pet",
2799 },
2827 "c/uptime" => { 2800 "c/uptime" => {
2828 id => "infobox", 2801 id => "infobox",
2829 title => "Uptime", 2802 title => "Uptime",
2830 reply => undef, 2803 reply => undef,
2831 tooltip => "How long the server has been running since last restart", 2804 tooltip => "How long the server has been running since last restart",
2840 id => "party", 2813 id => "party",
2841 title => "Party", 2814 title => "Party",
2842 reply => "gsay ", 2815 reply => "gsay ",
2843 tooltip => "Messages and chat related to your party", 2816 tooltip => "Messages and chat related to your party",
2844 }, 2817 },
2818 "c/death" => {
2819 id => "death",
2820 title => "Death",
2821 reply => undef,
2822 tooltip => "Reason for and more info about your most recent death",
2823 },
2824 "c/say" => $SAY_CHANNEL,
2825 "c/chat" => $CHAT_CHANNEL,
2845); 2826);
2846 2827
2847sub cf::client::send_msg { 2828sub cf::client::send_msg {
2848 my ($self, $channel, $msg, $color, @extra) = @_; 2829 my ($self, $channel, $msg, $color, @extra) = @_;
2849 2830
2850 $msg = $self->pl->expand_cfpod ($msg); 2831 $msg = $self->pl->expand_cfpod ($msg)
2832 unless $color & cf::NDI_VERBATIM;
2851 2833
2852 $color &= cf::NDI_CLIENT_MASK; # just in case... 2834 $color &= cf::NDI_CLIENT_MASK; # just in case...
2853 2835
2854 # check predefined channels, for the benefit of C 2836 # check predefined channels, for the benefit of C
2855 if ($CHANNEL{$channel}) { 2837 if ($CHANNEL{$channel}) {
2856 $channel = $CHANNEL{$channel}; 2838 $channel = $CHANNEL{$channel};
2857 2839
2858 $self->ext_msg (channel_info => $channel) 2840 $self->ext_msg (channel_info => $channel);
2859 if $self->can_msg;
2860
2861 $channel = $channel->{id}; 2841 $channel = $channel->{id};
2862 2842
2863 } elsif (ref $channel) { 2843 } elsif (ref $channel) {
2864 # send meta info to client, if not yet sent 2844 # send meta info to client, if not yet sent
2865 unless (exists $self->{channel}{$channel->{id}}) { 2845 unless (exists $self->{channel}{$channel->{id}}) {
2866 $self->{channel}{$channel->{id}} = $channel; 2846 $self->{channel}{$channel->{id}} = $channel;
2867 $self->ext_msg (channel_info => $channel) 2847 $self->ext_msg (channel_info => $channel);
2868 if $self->can_msg;
2869 } 2848 }
2870 2849
2871 $channel = $channel->{id}; 2850 $channel = $channel->{id};
2872 } 2851 }
2873 2852
2874 return unless @extra || length $msg; 2853 return unless @extra || length $msg;
2875 2854
2876 if ($self->can_msg) {
2877 # default colour, mask it out 2855 # default colour, mask it out
2878 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2856 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2879 if $color & cf::NDI_DEF; 2857 if $color & cf::NDI_DEF;
2880 2858
2881 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2859 my $pkt = "msg "
2860 . $self->{json_coder}->encode (
2882 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2861 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2883 } else { 2862 );
2884 if ($color >= 0) {
2885 # replace some tags by gcfclient-compatible ones
2886 for ($msg) {
2887 1 while
2888 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2889 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2890 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2891 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2892 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2893 }
2894 2863
2895 $color &= cf::NDI_COLOR_MASK; 2864 # try lzf for large packets
2865 $pkt = "lzf " . Compress::LZF::compress $pkt
2866 if 1024 <= length $pkt and $self->{can_lzf};
2896 2867
2897 utf8::encode $msg; 2868 # split very large packets
2898 2869 if (8192 < length $pkt and $self->{can_lzf}) {
2899 if (0 && $msg =~ /\[/) { 2870 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2900 # COMMAND/INFO 2871 $pkt = "frag";
2901 $self->send_packet ("drawextinfo $color 10 8 $msg")
2902 } else {
2903 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2904 $self->send_packet ("drawinfo $color $msg")
2905 }
2906 }
2907 } 2872 }
2873
2874 $self->send_packet ($pkt);
2908} 2875}
2909 2876
2910=item $client->ext_msg ($type, @msg) 2877=item $client->ext_msg ($type, @msg)
2911 2878
2912Sends an ext event to the client. 2879Sends an ext event to the client.
3087The following functions and methods are available within a safe environment: 3054The following functions and methods are available within a safe environment:
3088 3055
3089 cf::object 3056 cf::object
3090 contr pay_amount pay_player map x y force_find force_add destroy 3057 contr pay_amount pay_player map x y force_find force_add destroy
3091 insert remove name archname title slaying race decrease split 3058 insert remove name archname title slaying race decrease split
3059 value
3092 3060
3093 cf::object::player 3061 cf::object::player
3094 player 3062 player
3095 3063
3096 cf::player 3064 cf::player
3101 3069
3102=cut 3070=cut
3103 3071
3104for ( 3072for (
3105 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3073 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3106 insert remove inv name archname title slaying race 3074 insert remove inv nrof name archname title slaying race
3107 decrease split destroy)], 3075 decrease split destroy change_exp value msg lore send_msg)],
3108 ["cf::object::player" => qw(player)], 3076 ["cf::object::player" => qw(player)],
3109 ["cf::player" => qw(peaceful)], 3077 ["cf::player" => qw(peaceful send_msg)],
3110 ["cf::map" => qw(trigger)], 3078 ["cf::map" => qw(trigger)],
3111) { 3079) {
3112 no strict 'refs'; 3080 no strict 'refs';
3113 my ($pkg, @funs) = @$_; 3081 my ($pkg, @funs) = @$_;
3114 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3082 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3131 my ($code, %vars) = @_; 3099 my ($code, %vars) = @_;
3132 3100
3133 my $qcode = $code; 3101 my $qcode = $code;
3134 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3102 $qcode =~ s/"/‟/g; # not allowed in #line filenames
3135 $qcode =~ s/\n/\\n/g; 3103 $qcode =~ s/\n/\\n/g;
3104
3105 %vars = (_dummy => 0) unless %vars;
3136 3106
3137 local $_; 3107 local $_;
3138 local @safe::cf::_safe_eval_args = values %vars; 3108 local @safe::cf::_safe_eval_args = values %vars;
3139 3109
3140 my $eval = 3110 my $eval =
3370 reload_treasures; 3340 reload_treasures;
3371 3341
3372 warn "finished reloading resource files\n"; 3342 warn "finished reloading resource files\n";
3373} 3343}
3374 3344
3375sub init {
3376 my $guard = freeze_mainloop;
3377
3378 reload_resources;
3379}
3380
3381sub reload_config { 3345sub reload_config {
3382 open my $fh, "<:utf8", "$CONFDIR/config" 3346 open my $fh, "<:utf8", "$CONFDIR/config"
3383 or return; 3347 or return;
3384 3348
3385 local $/; 3349 local $/;
3397 }; 3361 };
3398 warn $@ if $@; 3362 warn $@ if $@;
3399 } 3363 }
3400} 3364}
3401 3365
3366sub pidfile() {
3367 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3368 or die "$PIDFILE: $!";
3369 flock $fh, &Fcntl::LOCK_EX
3370 or die "$PIDFILE: flock: $!";
3371 $fh
3372}
3373
3374# make sure only one server instance is running at any one time
3375sub atomic {
3376 my $fh = pidfile;
3377
3378 my $pid = <$fh>;
3379 kill 9, $pid if $pid > 0;
3380
3381 seek $fh, 0, 0;
3382 print $fh $$;
3383}
3384
3402sub main { 3385sub main {
3386 cf::init_globals; # initialise logging
3387
3388 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3389 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3390 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3391 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3392
3393 cf::init_experience;
3394 cf::init_anim;
3395 cf::init_attackmess;
3396 cf::init_dynamic;
3397
3398 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3399
3403 # we must not ever block the main coroutine 3400 # we must not ever block the main coroutine
3404 local $Coro::idle = sub { 3401 local $Coro::idle = sub {
3405 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3402 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3406 (async { 3403 (async {
3407 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3404 $Coro::current->{desc} = "IDLE BUG HANDLER";
3408 EV::loop EV::LOOP_ONESHOT; 3405 EV::loop EV::LOOP_ONESHOT;
3409 })->prio (Coro::PRIO_MAX); 3406 })->prio (Coro::PRIO_MAX);
3410 }; 3407 };
3411 3408
3412 { 3409 evthread_start IO::AIO::poll_fileno;
3413 my $guard = freeze_mainloop; 3410
3411 cf::sync_job {
3412 reload_resources;
3414 reload_config; 3413 reload_config;
3415 db_init; 3414 db_init;
3415
3416 cf::load_settings;
3417 cf::load_materials;
3418 cf::init_uuid;
3419 cf::init_signals;
3420 cf::init_commands;
3421 cf::init_skills;
3422
3423 cf::init_beforeplay;
3424
3425 atomic;
3426
3416 load_extensions; 3427 load_extensions;
3417 3428
3418 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3429 utime time, time, $RUNTIMEFILE;
3419 evthread_start IO::AIO::poll_fileno; 3430
3431 # no (long-running) fork's whatsoever before this point(!)
3432 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3433
3434 (pop @POST_INIT)->(0) while @POST_INIT;
3420 } 3435 };
3421 3436
3422 EV::loop; 3437 EV::loop;
3423} 3438}
3424 3439
3425############################################################################# 3440#############################################################################
3434 }; 3449 };
3435 } 3450 }
3436} 3451}
3437 3452
3438sub write_runtime_sync { 3453sub write_runtime_sync {
3439 my $runtime = "$LOCALDIR/runtime";
3440
3441 # first touch the runtime file to show we are still running: 3454 # first touch the runtime file to show we are still running:
3442 # the fsync below can take a very very long time. 3455 # the fsync below can take a very very long time.
3443 3456
3444 IO::AIO::aio_utime $runtime, undef, undef; 3457 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3445 3458
3446 my $guard = cf::lock_acquire "write_runtime"; 3459 my $guard = cf::lock_acquire "write_runtime";
3447 3460
3448 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3461 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3449 or return; 3462 or return;
3450 3463
3451 my $value = $cf::RUNTIME + 90 + 10; 3464 my $value = $cf::RUNTIME + 90 + 10;
3452 # 10 is the runtime save interval, for a monotonic clock 3465 # 10 is the runtime save interval, for a monotonic clock
3453 # 60 allows for the watchdog to kill the server. 3466 # 60 allows for the watchdog to kill the server.
3463 aio_utime $fh, undef, undef; 3476 aio_utime $fh, undef, undef;
3464 3477
3465 close $fh 3478 close $fh
3466 or return; 3479 or return;
3467 3480
3468 aio_rename "$runtime~", $runtime 3481 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3469 and return; 3482 and return;
3470 3483
3471 warn "runtime file written.\n"; 3484 warn "runtime file written.\n";
3472 3485
3473 1 3486 1
3485 my $uuid = "$LOCALDIR/uuid"; 3498 my $uuid = "$LOCALDIR/uuid";
3486 3499
3487 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644 3500 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3488 or return; 3501 or return;
3489 3502
3490 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur; 3503 my $value = uuid_seq uuid_cur;
3504
3505 unless ($value) {
3506 warn "cowardly refusing to write zero uuid value!\n";
3507 return;
3508 }
3509
3510 my $value = uuid_str $value + $uuid_skip;
3491 $uuid_skip = 0; 3511 $uuid_skip = 0;
3492 3512
3493 (aio_write $fh, 0, (length $value), $value, 0) <= 0 3513 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3494 and return; 3514 and return;
3495 3515
3517} 3537}
3518 3538
3519sub emergency_save() { 3539sub emergency_save() {
3520 my $freeze_guard = cf::freeze_mainloop; 3540 my $freeze_guard = cf::freeze_mainloop;
3521 3541
3522 warn "enter emergency perl save\n"; 3542 warn "emergency_perl_save: enter\n";
3523 3543
3524 cf::sync_job { 3544 cf::sync_job {
3545 # this is a trade-off: we want to be very quick here, so
3546 # save all maps without fsync, and later call a global sync
3547 # (which in turn might be very very slow)
3548 local $USE_FSYNC = 0;
3549
3525 # use a peculiar iteration method to avoid tripping on perl 3550 # use a peculiar iteration method to avoid tripping on perl
3526 # refcount bugs in for. also avoids problems with players 3551 # refcount bugs in for. also avoids problems with players
3527 # and maps saved/destroyed asynchronously. 3552 # and maps saved/destroyed asynchronously.
3528 warn "begin emergency player save\n"; 3553 warn "emergency_perl_save: begin player save\n";
3529 for my $login (keys %cf::PLAYER) { 3554 for my $login (keys %cf::PLAYER) {
3530 my $pl = $cf::PLAYER{$login} or next; 3555 my $pl = $cf::PLAYER{$login} or next;
3531 $pl->valid or next; 3556 $pl->valid or next;
3532 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3557 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3533 $pl->save; 3558 $pl->save;
3534 } 3559 }
3535 warn "end emergency player save\n"; 3560 warn "emergency_perl_save: end player save\n";
3536 3561
3537 warn "begin emergency map save\n"; 3562 warn "emergency_perl_save: begin map save\n";
3538 for my $path (keys %cf::MAP) { 3563 for my $path (keys %cf::MAP) {
3539 my $map = $cf::MAP{$path} or next; 3564 my $map = $cf::MAP{$path} or next;
3540 $map->valid or next; 3565 $map->valid or next;
3541 $map->save; 3566 $map->save;
3542 } 3567 }
3543 warn "end emergency map save\n"; 3568 warn "emergency_perl_save: end map save\n";
3544 3569
3545 warn "begin emergency database checkpoint\n"; 3570 warn "emergency_perl_save: begin database checkpoint\n";
3546 BDB::db_env_txn_checkpoint $DB_ENV; 3571 BDB::db_env_txn_checkpoint $DB_ENV;
3547 warn "end emergency database checkpoint\n"; 3572 warn "emergency_perl_save: end database checkpoint\n";
3548 3573
3549 warn "begin write uuid\n"; 3574 warn "emergency_perl_save: begin write uuid\n";
3550 write_uuid_sync 1; 3575 write_uuid_sync 1;
3551 warn "end write uuid\n"; 3576 warn "emergency_perl_save: end write uuid\n";
3552 }; 3577 };
3553 3578
3579 warn "emergency_perl_save: starting sync()\n";
3580 IO::AIO::aio_sync sub {
3581 warn "emergency_perl_save: finished sync()\n";
3582 };
3583
3554 warn "leave emergency perl save\n"; 3584 warn "emergency_perl_save: leave\n";
3555} 3585}
3556 3586
3557sub post_cleanup { 3587sub post_cleanup {
3558 my ($make_core) = @_; 3588 my ($make_core) = @_;
3559 3589
3560 warn Carp::longmess "post_cleanup backtrace" 3590 warn Carp::longmess "post_cleanup backtrace"
3561 if $make_core; 3591 if $make_core;
3592
3593 my $fh = pidfile;
3594 unlink $PIDFILE if <$fh> == $$;
3595}
3596
3597# a safer delete_package, copied from Symbol
3598sub clear_package($) {
3599 my $pkg = shift;
3600
3601 # expand to full symbol table name if needed
3602 unless ($pkg =~ /^main::.*::$/) {
3603 $pkg = "main$pkg" if $pkg =~ /^::/;
3604 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3605 $pkg .= '::' unless $pkg =~ /::$/;
3606 }
3607
3608 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3609 my $stem_symtab = *{$stem}{HASH};
3610
3611 defined $stem_symtab and exists $stem_symtab->{$leaf}
3612 or return;
3613
3614 # clear all symbols
3615 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3616 for my $name (keys %$leaf_symtab) {
3617 _gv_clear *{"$pkg$name"};
3618# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3619 }
3620 warn "cleared package $pkg\n";#d#
3562} 3621}
3563 3622
3564sub do_reload_perl() { 3623sub do_reload_perl() {
3565 # can/must only be called in main 3624 # can/must only be called in main
3566 if ($Coro::current != $Coro::main) { 3625 if ($Coro::current != $Coro::main) {
3567 warn "can only reload from main coroutine"; 3626 warn "can only reload from main coroutine";
3568 return; 3627 return;
3569 } 3628 }
3570 3629
3630 return if $RELOAD++;
3631
3632 my $t1 = EV::time;
3633
3634 while ($RELOAD) {
3571 warn "reloading..."; 3635 warn "reloading...";
3572 3636
3573 warn "entering sync_job"; 3637 warn "entering sync_job";
3574 3638
3575 cf::sync_job { 3639 cf::sync_job {
3576 cf::write_runtime_sync; # external watchdog should not bark 3640 cf::write_runtime_sync; # external watchdog should not bark
3577 cf::emergency_save; 3641 cf::emergency_save;
3578 cf::write_runtime_sync; # external watchdog should not bark 3642 cf::write_runtime_sync; # external watchdog should not bark
3579 3643
3580 warn "syncing database to disk"; 3644 warn "syncing database to disk";
3581 BDB::db_env_txn_checkpoint $DB_ENV; 3645 BDB::db_env_txn_checkpoint $DB_ENV;
3582 3646
3583 # if anything goes wrong in here, we should simply crash as we already saved 3647 # if anything goes wrong in here, we should simply crash as we already saved
3584 3648
3585 warn "flushing outstanding aio requests"; 3649 warn "flushing outstanding aio requests";
3586 for (;;) {
3587 BDB::flush;
3588 IO::AIO::flush;
3589 Coro::cede_notself;
3590 last unless IO::AIO::nreqs || BDB::nreqs; 3650 while (IO::AIO::nreqs || BDB::nreqs) {
3591 warn "iterate..."; 3651 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3592 }
3593
3594 ++$RELOAD;
3595
3596 warn "cancelling all extension coros";
3597 $_->cancel for values %EXT_CORO;
3598 %EXT_CORO = ();
3599
3600 warn "removing commands";
3601 %COMMAND = ();
3602
3603 warn "removing ext/exti commands";
3604 %EXTCMD = ();
3605 %EXTICMD = ();
3606
3607 warn "unloading/nuking all extensions";
3608 for my $pkg (@EXTS) {
3609 warn "... unloading $pkg";
3610
3611 if (my $cb = $pkg->can ("unload")) {
3612 eval {
3613 $cb->($pkg);
3614 1
3615 } or warn "$pkg unloaded, but with errors: $@";
3616 } 3652 }
3617 3653
3618 warn "... nuking $pkg"; 3654 warn "cancelling all extension coros";
3619 Symbol::delete_package $pkg; 3655 $_->cancel for values %EXT_CORO;
3620 } 3656 %EXT_CORO = ();
3621 3657
3622 warn "unloading all perl modules loaded from $LIBDIR"; 3658 warn "removing commands";
3623 while (my ($k, $v) = each %INC) { 3659 %COMMAND = ();
3624 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3625 3660
3661 warn "removing ext/exti commands";
3662 %EXTCMD = ();
3663 %EXTICMD = ();
3664
3665 warn "unloading/nuking all extensions";
3666 for my $pkg (@EXTS) {
3626 warn "... unloading $k"; 3667 warn "... unloading $pkg";
3627 delete $INC{$k};
3628 3668
3629 $k =~ s/\.pm$//;
3630 $k =~ s/\//::/g;
3631
3632 if (my $cb = $k->can ("unload_module")) { 3669 if (my $cb = $pkg->can ("unload")) {
3670 eval {
3633 $cb->(); 3671 $cb->($pkg);
3672 1
3673 } or warn "$pkg unloaded, but with errors: $@";
3674 }
3675
3676 warn "... clearing $pkg";
3677 clear_package $pkg;
3634 } 3678 }
3635 3679
3636 Symbol::delete_package $k; 3680 warn "unloading all perl modules loaded from $LIBDIR";
3681 while (my ($k, $v) = each %INC) {
3682 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3683
3684 warn "... unloading $k";
3685 delete $INC{$k};
3686
3687 $k =~ s/\.pm$//;
3688 $k =~ s/\//::/g;
3689
3690 if (my $cb = $k->can ("unload_module")) {
3691 $cb->();
3692 }
3693
3694 clear_package $k;
3637 } 3695 }
3638 3696
3639 warn "getting rid of safe::, as good as possible"; 3697 warn "getting rid of safe::, as good as possible";
3640 Symbol::delete_package "safe::$_" 3698 clear_package "safe::$_"
3641 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3699 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3642 3700
3643 warn "unloading cf.pm \"a bit\""; 3701 warn "unloading cf.pm \"a bit\"";
3644 delete $INC{"cf.pm"}; 3702 delete $INC{"cf.pm"};
3645 delete $INC{"cf/pod.pm"}; 3703 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3646 3704
3647 # don't, removes xs symbols, too, 3705 # don't, removes xs symbols, too,
3648 # and global variables created in xs 3706 # and global variables created in xs
3649 #Symbol::delete_package __PACKAGE__; 3707 #clear_package __PACKAGE__;
3650 3708
3651 warn "unload completed, starting to reload now"; 3709 warn "unload completed, starting to reload now";
3652 3710
3653 warn "reloading cf.pm"; 3711 warn "reloading cf.pm";
3654 require cf; 3712 require cf;
3655 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3713 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3656 3714
3657 warn "loading config and database again"; 3715 warn "loading config and database again";
3658 cf::reload_config; 3716 cf::reload_config;
3659 3717
3660 warn "loading extensions"; 3718 warn "loading extensions";
3661 cf::load_extensions; 3719 cf::load_extensions;
3662 3720
3721 if ($REATTACH_ON_RELOAD) {
3663 warn "reattaching attachments to objects/players"; 3722 warn "reattaching attachments to objects/players";
3664 _global_reattach; # objects, sockets 3723 _global_reattach; # objects, sockets
3665 warn "reattaching attachments to maps"; 3724 warn "reattaching attachments to maps";
3666 reattach $_ for values %MAP; 3725 reattach $_ for values %MAP;
3667 warn "reattaching attachments to players"; 3726 warn "reattaching attachments to players";
3668 reattach $_ for values %PLAYER; 3727 reattach $_ for values %PLAYER;
3728 }
3669 3729
3730 warn "running post_init jobs";
3731 (pop @POST_INIT)->(1) while @POST_INIT;
3732
3670 warn "leaving sync_job"; 3733 warn "leaving sync_job";
3671 3734
3672 1 3735 1
3673 } or do { 3736 } or do {
3674 warn $@; 3737 warn $@;
3675 cf::cleanup "error while reloading, exiting."; 3738 cf::cleanup "error while reloading, exiting.";
3676 }; 3739 };
3677 3740
3678 warn "reloaded"; 3741 warn "reloaded";
3742 --$RELOAD;
3743 }
3744
3745 $t1 = EV::time - $t1;
3746 warn "reload completed in ${t1}s\n";
3679}; 3747};
3680 3748
3681our $RELOAD_WATCHER; # used only during reload 3749our $RELOAD_WATCHER; # used only during reload
3682 3750
3683sub reload_perl() { 3751sub reload_perl() {
3684 # doing reload synchronously and two reloads happen back-to-back, 3752 # doing reload synchronously and two reloads happen back-to-back,
3685 # coro crashes during coro_state_free->destroy here. 3753 # coro crashes during coro_state_free->destroy here.
3686 3754
3755 $RELOAD_WATCHER ||= cf::async {
3756 Coro::AIO::aio_wait cache_extensions;
3757
3687 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3758 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3688 do_reload_perl; 3759 do_reload_perl;
3689 undef $RELOAD_WATCHER; 3760 undef $RELOAD_WATCHER;
3761 };
3690 }; 3762 };
3691} 3763}
3692 3764
3693register_command "reload" => sub { 3765register_command "reload" => sub {
3694 my ($who, $arg) = @_; 3766 my ($who, $arg) = @_;
3765{ 3837{
3766 # configure BDB 3838 # configure BDB
3767 3839
3768 BDB::min_parallel 8; 3840 BDB::min_parallel 8;
3769 BDB::max_poll_reqs $TICK * 0.1; 3841 BDB::max_poll_reqs $TICK * 0.1;
3770 $Coro::BDB::WATCHER->priority (1); 3842 $AnyEvent::BDB::WATCHER->priority (1);
3771 3843
3772 unless ($DB_ENV) { 3844 unless ($DB_ENV) {
3773 $DB_ENV = BDB::db_env_create; 3845 $DB_ENV = BDB::db_env_create;
3774 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3846 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3775 | BDB::LOG_AUTOREMOVE, 1); 3847 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3848 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3776 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT); 3849 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3777 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT); 3850 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3778 3851
3779 cf::sync_job { 3852 cf::sync_job {
3780 eval { 3853 eval {
3806{ 3879{
3807 # configure IO::AIO 3880 # configure IO::AIO
3808 3881
3809 IO::AIO::min_parallel 8; 3882 IO::AIO::min_parallel 8;
3810 IO::AIO::max_poll_time $TICK * 0.1; 3883 IO::AIO::max_poll_time $TICK * 0.1;
3811 $Coro::AIO::WATCHER->priority (1); 3884 undef $AnyEvent::AIO::WATCHER;
3812} 3885}
3813 3886
3814my $_log_backtrace; 3887my $_log_backtrace;
3815 3888
3816sub _log_backtrace { 3889sub _log_backtrace {
3819 $msg =~ s/\n//; 3892 $msg =~ s/\n//;
3820 3893
3821 # limit the # of concurrent backtraces 3894 # limit the # of concurrent backtraces
3822 if ($_log_backtrace < 2) { 3895 if ($_log_backtrace < 2) {
3823 ++$_log_backtrace; 3896 ++$_log_backtrace;
3897 my $perl_bt = Carp::longmess $msg;
3824 async { 3898 async {
3825 $Coro::current->{desc} = "abt $msg"; 3899 $Coro::current->{desc} = "abt $msg";
3826 3900
3827 my @bt = fork_call { 3901 my @bt = fork_call {
3828 @addr = map { sprintf "%x", $_ } @addr; 3902 @addr = map { sprintf "%x", $_ } @addr;
3839 } 3913 }
3840 3914
3841 @funcs 3915 @funcs
3842 }; 3916 };
3843 3917
3844 LOG llevInfo, "[ABT] $msg\n"; 3918 LOG llevInfo, "[ABT] $perl_bt\n";
3919 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3845 LOG llevInfo, "[ABT] $_\n" for @bt; 3920 LOG llevInfo, "[ABT] $_\n" for @bt;
3846 --$_log_backtrace; 3921 --$_log_backtrace;
3847 }; 3922 };
3848 } else { 3923 } else {
3849 LOG llevInfo, "[ABT] $msg\n"; 3924 LOG llevInfo, "[ABT] $msg\n";
3850 LOG llevInfo, "[ABT] [suppressed]\n"; 3925 LOG llevInfo, "[ABT] [suppressed]\n";
3851 } 3926 }
3852} 3927}
3853 3928
3854# load additional modules 3929# load additional modules
3855use cf::pod; 3930eval "use cf::$_" for @EXTRA_MODULES;
3856 3931
3857END { cf::emergency_save } 3932END { cf::emergency_save }
3858 3933
38591 39341
3860 3935

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