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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.426 by root, Thu Apr 24 04:40:31 2008 UTC vs.
Revision 1.457 by root, Wed Oct 1 05:50:19 2008 UTC

… …
19# The authors can be reached via e-mail to <support@deliantra.net> 19# The authors can be reached via e-mail to <support@deliantra.net>
20# 20#
21 21
22package cf; 22package cf;
23 23
24use 5.10.0;
24use utf8; 25use utf8;
25use strict; 26use strict "vars", "subs";
26 27
27use Symbol; 28use Symbol;
28use List::Util; 29use List::Util;
29use Socket; 30use Socket;
30use EV 3.2; 31use EV;
31use Opcode; 32use Opcode;
32use Safe; 33use Safe;
33use Safe::Hole; 34use Safe::Hole;
34use Storable (); 35use Storable ();
35 36
36use Coro 4.50 (); 37use Coro ();
37use Coro::State; 38use Coro::State;
38use Coro::Handle; 39use Coro::Handle;
39use Coro::EV; 40use Coro::EV;
41use Coro::AnyEvent;
40use Coro::Timer; 42use Coro::Timer;
41use Coro::Signal; 43use Coro::Signal;
42use Coro::Semaphore; 44use Coro::Semaphore;
45use Coro::AnyEvent;
43use Coro::AIO; 46use Coro::AIO;
44use Coro::BDB; 47use Coro::BDB 1.6;
45use Coro::Storable; 48use Coro::Storable;
46use Coro::Util (); 49use Coro::Util ();
47 50
48use JSON::XS 2.01 (); 51use JSON::XS 2.01 ();
49use BDB (); 52use BDB ();
50use Data::Dumper; 53use Data::Dumper;
51use Digest::MD5; 54use Digest::MD5;
52use Fcntl; 55use Fcntl;
53use YAML (); 56use YAML ();
54use IO::AIO 2.51 (); 57use IO::AIO ();
55use Time::HiRes; 58use Time::HiRes;
56use Compress::LZF; 59use Compress::LZF;
57use Digest::MD5 (); 60use Digest::MD5 ();
61
62AnyEvent::detect;
58 63
59# configure various modules to our taste 64# configure various modules to our taste
60# 65#
61$Storable::canonical = 1; # reduce rsync transfers 66$Storable::canonical = 1; # reduce rsync transfers
62Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 67Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
68
69$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
70
71# make sure c-lzf reinitialises itself
72Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
63Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 73Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64
65$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
66 74
67sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 75sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
68 76
69our %COMMAND = (); 77our %COMMAND = ();
70our %COMMAND_TIME = (); 78our %COMMAND_TIME = ();
… …
73our %EXTCMD = (); 81our %EXTCMD = ();
74our %EXTICMD = (); 82our %EXTICMD = ();
75our %EXT_CORO = (); # coroutines bound to extensions 83our %EXT_CORO = (); # coroutines bound to extensions
76our %EXT_MAP = (); # pluggable maps 84our %EXT_MAP = (); # pluggable maps
77 85
78our $RELOAD; # number of reloads so far 86our $RELOAD; # number of reloads so far, non-zero while in reload
79our @EVENT; 87our @EVENT;
80 88
81our $CONFDIR = confdir; 89our $CONFDIR = confdir;
82our $DATADIR = datadir; 90our $DATADIR = datadir;
83our $LIBDIR = "$DATADIR/ext"; 91our $LIBDIR = "$DATADIR/ext";
84our $PODDIR = "$DATADIR/pod"; 92our $PODDIR = "$DATADIR/pod";
85our $MAPDIR = "$DATADIR/" . mapdir; 93our $MAPDIR = "$DATADIR/" . mapdir;
86our $LOCALDIR = localdir; 94our $LOCALDIR = localdir;
87our $TMPDIR = "$LOCALDIR/" . tmpdir; 95our $TMPDIR = "$LOCALDIR/" . tmpdir;
88our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 96our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89our $PLAYERDIR = "$LOCALDIR/" . playerdir; 97our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90our $RANDOMDIR = "$LOCALDIR/random"; 98our $RANDOMDIR = "$LOCALDIR/random";
91our $BDBDIR = "$LOCALDIR/db"; 99our $BDBDIR = "$LOCALDIR/db";
100our $PIDFILE = "$LOCALDIR/pid";
101our $RUNTIMEFILE = "$LOCALDIR/runtime";
102
92our %RESOURCE; 103our %RESOURCE;
93 104
94our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 105our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95our $AIO_POLL_WATCHER;
96our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 106our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97our $NEXT_TICK; 107our $NEXT_TICK;
98our $USE_FSYNC = 1; # use fsync to write maps - default off 108our $USE_FSYNC = 1; # use fsync to write maps - default off
99 109
100our $BDB_POLL_WATCHER;
101our $BDB_DEADLOCK_WATCHER; 110our $BDB_DEADLOCK_WATCHER;
102our $BDB_CHECKPOINT_WATCHER; 111our $BDB_CHECKPOINT_WATCHER;
103our $BDB_TRICKLE_WATCHER; 112our $BDB_TRICKLE_WATCHER;
104our $DB_ENV; 113our $DB_ENV;
105 114
… …
119our $LOAD; # a number between 0 (idle) and 1 (too many objects) 128our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120our $LOADAVG; # same thing, but with alpha-smoothing 129our $LOADAVG; # same thing, but with alpha-smoothing
121our $JITTER; # average jitter 130our $JITTER; # average jitter
122our $TICK_START; # for load detecting purposes 131our $TICK_START; # for load detecting purposes
123 132
133our @POST_INIT;
134
135our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
136
124binmode STDOUT; 137binmode STDOUT;
125binmode STDERR; 138binmode STDERR;
126 139
127# read virtual server time, if available 140# read virtual server time, if available
128unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 141unless ($RUNTIME || !-e $RUNTIMEFILE) {
129 open my $fh, "<", "$LOCALDIR/runtime" 142 open my $fh, "<", $RUNTIMEFILE
130 or die "unable to read runtime file: $!"; 143 or die "unable to read $RUNTIMEFILE file: $!";
131 $RUNTIME = <$fh> + 0.; 144 $RUNTIME = <$fh> + 0.;
132} 145}
133 146
134mkdir $_ 147mkdir $_
135 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 148 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
… …
242for my $pkg (qw( 255for my $pkg (qw(
243 cf::global cf::attachable 256 cf::global cf::attachable
244 cf::object cf::object::player 257 cf::object cf::object::player
245 cf::client cf::player 258 cf::client cf::player
246 cf::arch cf::living 259 cf::arch cf::living
260 cf::map cf::mapspace
247 cf::map cf::party cf::region 261 cf::party cf::region
248)) { 262)) {
249 no strict 'refs';
250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 263 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251} 264}
252 265
253$EV::DIED = sub { 266$EV::DIED = sub {
254 warn "error in event callback: @_"; 267 warn "error in event callback: @_";
… …
296our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 309our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297 310
298sub encode_json($) { $json_coder->encode ($_[0]) } 311sub encode_json($) { $json_coder->encode ($_[0]) }
299sub decode_json($) { $json_coder->decode ($_[0]) } 312sub decode_json($) { $json_coder->decode ($_[0]) }
300 313
314=item cf::post_init { BLOCK }
315
316Execute the given codeblock, I<after> all extensions have been (re-)loaded,
317but I<before> the server starts ticking again.
318
319The cdoeblock will have a single boolean argument to indicate whether this
320is a reload or not.
321
322=cut
323
324sub post_init(&) {
325 push @POST_INIT, shift;
326}
327
301=item cf::lock_wait $string 328=item cf::lock_wait $string
302 329
303Wait until the given lock is available. See cf::lock_acquire. 330Wait until the given lock is available. See cf::lock_acquire.
304 331
305=item my $lock = cf::lock_acquire $string 332=item my $lock = cf::lock_acquire $string
… …
332 return;#d# 359 return;#d#
333 }#d# 360 }#d#
334 361
335 # wait for lock, if any 362 # wait for lock, if any
336 while ($LOCK{$key}) { 363 while ($LOCK{$key}) {
364 #local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
337 push @{ $LOCK{$key} }, $Coro::current; 365 push @{ $LOCK{$key} }, $Coro::current;
338 Coro::schedule; 366 Coro::schedule;
339 } 367 }
340} 368}
341 369
… …
724 752
725############################################################################# 753#############################################################################
726 754
727=head2 ATTACHABLE OBJECTS 755=head2 ATTACHABLE OBJECTS
728 756
729Many objects in crossfire are so-called attachable objects. That means you can 757Many objects in deliantra are so-called attachable objects. That means you can
730attach callbacks/event handlers (a collection of which is called an "attachment") 758attach callbacks/event handlers (a collection of which is called an "attachment")
731to it. All such attachable objects support the following methods. 759to it. All such attachable objects support the following methods.
732 760
733In the following description, CLASS can be any of C<global>, C<object> 761In 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 762C<player>, C<client> or C<map> (i.e. the attachable objects in
… …
784=item cf::CLASS::attachment $name, ... 812=item cf::CLASS::attachment $name, ...
785 813
786Register an attachment by C<$name> through which attachable objects of the 814Register an attachment by C<$name> through which attachable objects of the
787given CLASS can refer to this attachment. 815given CLASS can refer to this attachment.
788 816
789Some classes such as crossfire maps and objects can specify attachments 817Some classes such as deliantra maps and objects can specify attachments
790that are attached at load/instantiate time, thus the need for a name. 818that are attached at load/instantiate time, thus the need for a name.
791 819
792These calls expect any number of the following handler/hook descriptions: 820These calls expect any number of the following handler/hook descriptions:
793 821
794=over 4 822=over 4
… …
1085 1113
1086sub reattach { 1114sub reattach {
1087 # basically do the same as instantiate, without calling instantiate 1115 # basically do the same as instantiate, without calling instantiate
1088 my ($obj) = @_; 1116 my ($obj) = @_;
1089 1117
1118 # no longer needed after getting rid of delete_package?
1090 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1119 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1091 1120
1092 my $registry = $obj->registry; 1121 my $registry = $obj->registry;
1093 1122
1094 @$registry = (); 1123 @$registry = ();
1095 1124
… …
1141 utf8::decode (my $decname = $filename); 1170 utf8::decode (my $decname = $filename);
1142 warn sprintf "saving %s (%d,%d)\n", 1171 warn sprintf "saving %s (%d,%d)\n",
1143 $decname, length $$rdata, scalar @$objs; 1172 $decname, length $$rdata, scalar @$objs;
1144 1173
1145 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1174 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1146 chmod SAVE_MODE, $fh; 1175 aio_chmod $fh, SAVE_MODE;
1147 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1176 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1148 aio_fsync $fh if $cf::USE_FSYNC; 1177 aio_fsync $fh if $cf::USE_FSYNC;
1149 close $fh; 1178 aio_close $fh;
1150 1179
1151 if (@$objs) { 1180 if (@$objs) {
1152 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1181 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1153 chmod SAVE_MODE, $fh; 1182 aio_chmod $fh, SAVE_MODE;
1154 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs }; 1183 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1155 aio_write $fh, 0, (length $data), $data, 0; 1184 aio_write $fh, 0, (length $data), $data, 0;
1156 aio_fsync $fh if $cf::USE_FSYNC; 1185 aio_fsync $fh if $cf::USE_FSYNC;
1157 close $fh; 1186 aio_close $fh;
1158 aio_rename "$filename.pst~", "$filename.pst"; 1187 aio_rename "$filename.pst~", "$filename.pst";
1159 } 1188 }
1160 } else { 1189 } else {
1161 aio_unlink "$filename.pst"; 1190 aio_unlink "$filename.pst";
1162 } 1191 }
1163 1192
1164 aio_rename "$filename~", $filename; 1193 aio_rename "$filename~", $filename;
1194
1195 $filename =~ s%/[^/]+$%%;
1196 aio_pathsync $filename if $cf::USE_FSYNC;
1165 } else { 1197 } else {
1166 warn "FATAL: $filename~: $!\n"; 1198 warn "FATAL: $filename~: $!\n";
1167 } 1199 }
1168 } else { 1200 } else {
1169 aio_unlink $filename; 1201 aio_unlink $filename;
… …
1262 my ($name, $cb) = @_; 1294 my ($name, $cb) = @_;
1263 1295
1264 $EXTICMD{$name} = $cb; 1296 $EXTICMD{$name} = $cb;
1265} 1297}
1266 1298
1299use File::Glob ();
1300
1267cf::player->attach ( 1301cf::player->attach (
1268 on_command => sub { 1302 on_command => sub {
1269 my ($pl, $name, $params) = @_; 1303 my ($pl, $name, $params) = @_;
1270 1304
1271 my $cb = $COMMAND{$name} 1305 my $cb = $COMMAND{$name}
… …
1303 1337
1304 cf::override; 1338 cf::override;
1305 }, 1339 },
1306); 1340);
1307 1341
1342# "readahead" all extensions
1343sub cache_extensions {
1344 my $grp = IO::AIO::aio_group;
1345
1346 add $grp IO::AIO::aio_readdir $LIBDIR, sub {
1347 for (grep /\.ext$/, @{$_[0]}) {
1348 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1349 }
1350 };
1351
1352 $grp
1353}
1354
1308sub load_extensions { 1355sub load_extensions {
1309 cf::sync_job { 1356 cf::sync_job {
1310 my %todo; 1357 my %todo;
1311 1358
1312 for my $path (<$LIBDIR/*.ext>) { 1359 for my $path (<$LIBDIR/*.ext>) {
… …
1331 1378
1332 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1379 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1380 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334 1381
1335 $ext{source} = 1382 $ext{source} =
1336 "package $pkg; use strict; use utf8;\n" 1383 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1337 . "#line 1 \"$path\"\n{\n" 1384 . "#line 1 \"$path\"\n{\n"
1338 . $source 1385 . $source
1339 . "\n};\n1"; 1386 . "\n};\n1";
1340 1387
1341 $todo{$base} = \%ext; 1388 $todo{$base} = \%ext;
… …
1381 1428
1382=back 1429=back
1383 1430
1384=head2 CORE EXTENSIONS 1431=head2 CORE EXTENSIONS
1385 1432
1386Functions and methods that extend core crossfire objects. 1433Functions and methods that extend core deliantra objects.
1387 1434
1388=cut 1435=cut
1389 1436
1390package cf::player; 1437package cf::player;
1391 1438
… …
1434 1481
1435sub exists($) { 1482sub exists($) {
1436 my ($login) = @_; 1483 my ($login) = @_;
1437 1484
1438 $cf::PLAYER{$login} 1485 $cf::PLAYER{$login}
1439 or cf::sync_job { !aio_stat path $login } 1486 or !aio_stat path $login
1440} 1487}
1441 1488
1442sub find($) { 1489sub find($) {
1443 return $cf::PLAYER{$_[0]} || do { 1490 return $cf::PLAYER{$_[0]} || do {
1444 my $login = $_[0]; 1491 my $login = $_[0];
… …
1456 my $f = new_from_file cf::object::thawer path $login 1503 my $f = new_from_file cf::object::thawer path $login
1457 or return; 1504 or return;
1458 1505
1459 my $pl = cf::player::load_pl $f 1506 my $pl = cf::player::load_pl $f
1460 or return; 1507 or return;
1508
1461 local $cf::PLAYER_LOADING{$login} = $pl; 1509 local $cf::PLAYER_LOADING{$login} = $pl;
1462 $f->resolve_delayed_derefs; 1510 $f->resolve_delayed_derefs;
1463 $cf::PLAYER{$login} = $pl 1511 $cf::PLAYER{$login} = $pl
1464 } 1512 }
1465 } 1513 }
… …
1518 my ($pl) = @_; 1566 my ($pl) = @_;
1519 1567
1520 my $name = $pl->ob->name; 1568 my $name = $pl->ob->name;
1521 1569
1522 $pl->{deny_save} = 1; 1570 $pl->{deny_save} = 1;
1523 $pl->password ("*"); # this should lock out the player until we nuked the dir 1571 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1524 1572
1525 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1573 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1526 $pl->deactivate; 1574 $pl->deactivate;
1575 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1576 $pl->ob->check_score;
1527 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1577 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1528 $pl->ns->destroy if $pl->ns; 1578 $pl->ns->destroy if $pl->ns;
1529 1579
1530 my $path = playerdir $pl; 1580 my $path = playerdir $pl;
1531 my $temp = "$path~$cf::RUNTIME~deleting~"; 1581 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1570 1620
1571 for my $login (@$dirs) { 1621 for my $login (@$dirs) {
1572 my $path = path $login; 1622 my $path = path $login;
1573 1623
1574 # a .pst is a dead give-away for a valid player 1624 # a .pst is a dead give-away for a valid player
1575 unless (-e "$path.pst") { 1625 # if no pst file found, open and chekc for blocked users
1626 if (aio_stat "$path.pst") {
1576 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next; 1627 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1577 aio_read $fh, 0, 512, my $buf, 0 or next; 1628 aio_read $fh, 0, 512, my $buf, 0 or next;
1578 $buf !~ /^password -------------$/m or next; # official not-valid tag 1629 $buf !~ /^password -------------$/m or next; # official not-valid tag
1579 } 1630 }
1580 1631
… …
1611 } 1662 }
1612 1663
1613 \@paths 1664 \@paths
1614} 1665}
1615 1666
1616=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1667=item $protocol_xml = $player->expand_cfpod ($cfpod)
1617 1668
1618Expand crossfire pod fragments into protocol xml. 1669Expand deliantra pod fragments into protocol xml.
1619
1620=cut
1621
1622use re 'eval';
1623
1624my $group;
1625my $interior; $interior = qr{
1626 # match a pod interior sequence sans C<< >>
1627 (?:
1628 \ (.*?)\ (?{ $group = $^N })
1629 | < (??{$interior}) >
1630 )
1631}x;
1632
1633sub expand_cfpod {
1634 my ($self, $pod) = @_;
1635
1636 my $xml;
1637
1638 while () {
1639 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1640 $group = $1;
1641
1642 $group =~ s/&/&amp;/g;
1643 $group =~ s/</&lt;/g;
1644
1645 $xml .= $group;
1646 } elsif ($pod =~ m%\G
1647 ([BCGHITU])
1648 <
1649 (?:
1650 ([^<>]*) (?{ $group = $^N })
1651 | < $interior >
1652 )
1653 >
1654 %gcsx
1655 ) {
1656 my ($code, $data) = ($1, $group);
1657
1658 if ($code eq "B") {
1659 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1660 } elsif ($code eq "I") {
1661 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1662 } elsif ($code eq "U") {
1663 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1664 } elsif ($code eq "C") {
1665 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1666 } elsif ($code eq "T") {
1667 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1668 } elsif ($code eq "G") {
1669 my ($male, $female) = split /\|/, $data;
1670 $data = $self->gender ? $female : $male;
1671 $xml .= expand_cfpod ($self, $data);
1672 } elsif ($code eq "H") {
1673 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1674 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1675 "")
1676 [$self->{hintmode}];
1677 } else {
1678 $xml .= "error processing '$code($data)' directive";
1679 }
1680 } else {
1681 if ($pod =~ /\G(.+)/) {
1682 warn "parse error while expanding $pod (at $1)";
1683 }
1684 last;
1685 }
1686 }
1687
1688 for ($xml) {
1689 # create single paragraphs (very hackish)
1690 s/(?<=\S)\n(?=\w)/ /g;
1691
1692 # compress some whitespace
1693 s/\s+\n/\n/g; # ws line-ends
1694 s/\n\n+/\n/g; # double lines
1695 s/^\n+//; # beginning lines
1696 s/\n+$//; # ending lines
1697 }
1698
1699 $xml
1700}
1701
1702no re 'eval';
1703
1704sub hintmode {
1705 $_[0]{hintmode} = $_[1] if @_ > 1;
1706 $_[0]{hintmode}
1707}
1708 1670
1709=item $player->ext_reply ($msgid, @msg) 1671=item $player->ext_reply ($msgid, @msg)
1710 1672
1711Sends an ext reply to the player. 1673Sends an ext reply to the player.
1712 1674
… …
2029 1991
2030 cf::lock_wait "map_data:$path";#d#remove 1992 cf::lock_wait "map_data:$path";#d#remove
2031 cf::lock_wait "map_find:$path"; 1993 cf::lock_wait "map_find:$path";
2032 1994
2033 $cf::MAP{$path} || do { 1995 $cf::MAP{$path} || do {
2034 my $guard1 = cf::lock_acquire "map_find:$path";
2035 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it 1996 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1997 my $guard2 = cf::lock_acquire "map_find:$path";
2036 1998
2037 my $map = new_from_path cf::map $path 1999 my $map = new_from_path cf::map $path
2038 or return; 2000 or return;
2039 2001
2040 $map->{last_save} = $cf::RUNTIME; 2002 $map->{last_save} = $cf::RUNTIME;
… …
2043 or return; 2005 or return;
2044 2006
2045 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2007 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2046 # doing this can freeze the server in a sync job, obviously 2008 # doing this can freeze the server in a sync job, obviously
2047 #$cf::WAIT_FOR_TICK->wait; 2009 #$cf::WAIT_FOR_TICK->wait;
2010 undef $guard2;
2048 undef $guard1; 2011 undef $guard1;
2049 undef $guard2;
2050 $map->reset; 2012 $map->reset;
2051 return find $path; 2013 return find $path;
2052 } 2014 }
2053 2015
2054 $cf::MAP{$path} = $map 2016 $cf::MAP{$path} = $map
… …
2081 my $f = new_from_file cf::object::thawer $self->{load_path}; 2043 my $f = new_from_file cf::object::thawer $self->{load_path};
2082 $f->skip_block; 2044 $f->skip_block;
2083 $self->_load_objects ($f) 2045 $self->_load_objects ($f)
2084 or return; 2046 or return;
2085 2047
2086 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2048 $self->post_load_original
2087 if delete $self->{load_original}; 2049 if delete $self->{load_original};
2088 2050
2089 if (my $uniq = $self->uniq_path) { 2051 if (my $uniq = $self->uniq_path) {
2090 utf8::encode $uniq; 2052 utf8::encode $uniq;
2091 unless (aio_stat $uniq) { 2053 unless (aio_stat $uniq) {
… …
2457can be C<undef>. Does the right thing when the player is currently in a 2419can be C<undef>. Does the right thing when the player is currently in a
2458dialogue with the given NPC character. 2420dialogue with the given NPC character.
2459 2421
2460=cut 2422=cut
2461 2423
2424our $SAY_CHANNEL = {
2425 id => "say",
2426 title => "Map",
2427 reply => "say ",
2428 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2429};
2430
2431our $CHAT_CHANNEL = {
2432 id => "chat",
2433 title => "Chat",
2434 reply => "chat ",
2435 tooltip => "Player chat and shouts, global to the server.",
2436};
2437
2462# rough implementation of a future "reply" method that works 2438# rough implementation of a future "reply" method that works
2463# with dialog boxes. 2439# with dialog boxes.
2464#TODO: the first argument must go, split into a $npc->reply_to ( method 2440#TODO: the first argument must go, split into a $npc->reply_to ( method
2465sub cf::object::player::reply($$$;$) { 2441sub cf::object::player::reply($$$;$) {
2466 my ($self, $npc, $msg, $flags) = @_; 2442 my ($self, $npc, $msg, $flags) = @_;
… …
2477 my $dialog = $pl->{npc_dialog}; 2453 my $dialog = $pl->{npc_dialog};
2478 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg)); 2454 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2479 2455
2480 } else { 2456 } else {
2481 $msg = $npc->name . " says: $msg" if $npc; 2457 $msg = $npc->name . " says: $msg" if $npc;
2482 $self->message ($msg, $flags); 2458 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2483 } 2459 }
2484 } 2460 }
2485} 2461}
2486 2462
2487=item $object->send_msg ($channel, $msg, $color, [extra...]) 2463=item $object->send_msg ($channel, $msg, $color, [extra...])
… …
2512 2488
2513=item $player_object->enter_link 2489=item $player_object->enter_link
2514 2490
2515Freezes the player and moves him/her to a special map (C<{link}>). 2491Freezes the player and moves him/her to a special map (C<{link}>).
2516 2492
2517The player should be reasonably safe there for short amounts of time. You 2493The player should be reasonably safe there for short amounts of time (e.g.
2518I<MUST> call C<leave_link> as soon as possible, though. 2494for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2495though, as the palyer cannot control the character while it is on the link
2496map.
2519 2497
2520Will never block. 2498Will never block.
2521 2499
2522=item $player_object->leave_link ($map, $x, $y) 2500=item $player_object->leave_link ($map, $x, $y)
2523 2501
… …
2581 2559
2582 $map->load; 2560 $map->load;
2583 $map->load_neighbours; 2561 $map->load_neighbours;
2584 2562
2585 return unless $self->contr->active; 2563 return unless $self->contr->active;
2564 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2586 $self->activate_recursive; 2565 $self->activate_recursive;
2587 2566
2588 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2567 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2589 $self->enter_map ($map, $x, $y); 2568 $self->enter_map ($map, $x, $y);
2590} 2569}
… …
2594Moves the player to the given map-path and coordinates by first freezing 2573Moves the player to the given map-path and coordinates by first freezing
2595her, loading and preparing them map, calling the provided $check callback 2574her, loading and preparing them map, calling the provided $check callback
2596that has to return the map if sucecssful, and then unfreezes the player on 2575that has to return the map if sucecssful, and then unfreezes the player on
2597the new (success) or old (failed) map position. In either case, $done will 2576the new (success) or old (failed) map position. In either case, $done will
2598be called at the end of this process. 2577be called at the end of this process.
2578
2579Note that $check will be called with a potentially non-loaded map, so if
2580it needs a loaded map it has to call C<< ->load >>.
2599 2581
2600=cut 2582=cut
2601 2583
2602our $GOTOGEN; 2584our $GOTOGEN;
2603 2585
… …
2682} 2664}
2683 2665
2684sub prepare_random_map { 2666sub prepare_random_map {
2685 my ($exit) = @_; 2667 my ($exit) = @_;
2686 2668
2687 my $guard = cf::lock_acquire "exit_prepare:$exit";
2688
2689 # all this does is basically replace the /! path by 2669 # all this does is basically replace the /! path by
2690 # a new random map path (?random/...) with a seed 2670 # a new random map path (?random/...) with a seed
2691 # that depends on the exit object 2671 # that depends on the exit object
2692 2672
2693 my $rmp = parse_random_map_params $exit->msg; 2673 my $rmp = parse_random_map_params $exit->msg;
… …
2695 if ($exit->map) { 2675 if ($exit->map) {
2696 $rmp->{region} = $exit->region->name; 2676 $rmp->{region} = $exit->region->name;
2697 $rmp->{origin_map} = $exit->map->path; 2677 $rmp->{origin_map} = $exit->map->path;
2698 $rmp->{origin_x} = $exit->x; 2678 $rmp->{origin_x} = $exit->x;
2699 $rmp->{origin_y} = $exit->y; 2679 $rmp->{origin_y} = $exit->y;
2680
2681 $exit->map->touch;
2700 } 2682 }
2701 2683
2702 $rmp->{random_seed} ||= $exit->random_seed; 2684 $rmp->{random_seed} ||= $exit->random_seed;
2703 2685
2704 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp); 2686 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
… …
2708 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2690 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2709 aio_write $fh, 0, (length $data), $data, 0; 2691 aio_write $fh, 0, (length $data), $data, 0;
2710 undef $fh; 2692 undef $fh;
2711 aio_rename "$meta~", $meta; 2693 aio_rename "$meta~", $meta;
2712 2694
2695 my $slaying = "?random/$md5";
2696
2697 if ($exit->valid) {
2713 $exit->slaying ("?random/$md5"); 2698 $exit->slaying ("?random/$md5");
2714 $exit->msg (undef); 2699 $exit->msg (undef);
2700 }
2715 } 2701 }
2716} 2702}
2717 2703
2718sub cf::object::player::enter_exit { 2704sub cf::object::player::enter_exit {
2719 my ($self, $exit) = @_; 2705 my ($self, $exit) = @_;
2720 2706
2721 return unless $self->type == cf::PLAYER; 2707 return unless $self->type == cf::PLAYER;
2722 2708
2723 if ($exit->slaying eq "/!") {
2724 #TODO: this should de-fi-ni-te-ly not be a sync-job
2725 # the problem is that $exit might not survive long enough
2726 # so it needs to be done right now, right here
2727 cf::sync_job { prepare_random_map $exit };
2728 }
2729
2730 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2731 my $hp = $exit->stats->hp;
2732 my $sp = $exit->stats->sp;
2733
2734 $self->enter_link; 2709 $self->enter_link;
2735 2710
2736 # if exit is damned, update players death & WoR home-position
2737 $self->contr->savebed ($slaying, $hp, $sp)
2738 if $exit->flag (FLAG_DAMNED);
2739
2740 (async { 2711 (async {
2741 $Coro::current->{desc} = "enter_exit $slaying $hp $sp"; 2712 $Coro::current->{desc} = "enter_exit";
2742 2713
2743 $self->deactivate_recursive; # just to be sure
2744 unless (eval { 2714 unless (eval {
2715 $self->deactivate_recursive; # just to be sure
2716
2717 # random map handling
2718 {
2719 my $guard = cf::lock_acquire "exit_prepare:$exit";
2720
2721 prepare_random_map $exit
2722 if $exit->slaying eq "/!";
2723 }
2724
2725 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2726 my $x = $exit->stats->hp;
2727 my $y = $exit->stats->sp;
2728
2745 $self->goto ($slaying, $hp, $sp); 2729 $self->goto ($map, $x, $y);
2746 2730
2731 # if exit is damned, update players death & WoR home-position
2732 $self->contr->savebed ($map, $x, $y)
2733 if $exit->flag (cf::FLAG_DAMNED);
2734
2747 1; 2735 1
2748 }) { 2736 }) {
2749 $self->message ("Something went wrong deep within the crossfire server. " 2737 $self->message ("Something went wrong deep within the deliantra server. "
2750 . "I'll try to bring you back to the map you were before. " 2738 . "I'll try to bring you back to the map you were before. "
2751 . "Please report this to the dungeon master!", 2739 . "Please report this to the dungeon master!",
2752 cf::NDI_UNIQUE | cf::NDI_RED); 2740 cf::NDI_UNIQUE | cf::NDI_RED);
2753 2741
2754 warn "ERROR in enter_exit: $@"; 2742 warn "ERROR in enter_exit: $@";
… …
2820 id => "infobox", 2808 id => "infobox",
2821 title => "Body Parts", 2809 title => "Body Parts",
2822 reply => undef, 2810 reply => undef,
2823 tooltip => "Shows which body parts you posess and are available", 2811 tooltip => "Shows which body parts you posess and are available",
2824 }, 2812 },
2813 "c/skills" => {
2814 id => "infobox",
2815 title => "Skills",
2816 reply => undef,
2817 tooltip => "Shows your experience per skill and item power",
2818 },
2825 "c/uptime" => { 2819 "c/uptime" => {
2826 id => "infobox", 2820 id => "infobox",
2827 title => "Uptime", 2821 title => "Uptime",
2828 reply => undef, 2822 reply => undef,
2829 tooltip => "How long the server has been running since last restart", 2823 tooltip => "How long the server has been running since last restart",
… …
2843); 2837);
2844 2838
2845sub cf::client::send_msg { 2839sub cf::client::send_msg {
2846 my ($self, $channel, $msg, $color, @extra) = @_; 2840 my ($self, $channel, $msg, $color, @extra) = @_;
2847 2841
2848 $msg = $self->pl->expand_cfpod ($msg); 2842 $msg = $self->pl->expand_cfpod ($msg)
2843 unless $color & cf::NDI_VERBATIM;
2849 2844
2850 $color &= cf::NDI_CLIENT_MASK; # just in case... 2845 $color &= cf::NDI_CLIENT_MASK; # just in case...
2851 2846
2852 # check predefined channels, for the benefit of C 2847 # check predefined channels, for the benefit of C
2853 if ($CHANNEL{$channel}) { 2848 if ($CHANNEL{$channel}) {
… …
2874 if ($self->can_msg) { 2869 if ($self->can_msg) {
2875 # default colour, mask it out 2870 # default colour, mask it out
2876 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2871 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2877 if $color & cf::NDI_DEF; 2872 if $color & cf::NDI_DEF;
2878 2873
2879 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2874 my $pkt = "msg "
2875 . $self->{json_coder}->encode (
2880 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2876 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2877 );
2878
2879 # try lzf for large packets
2880 $pkt = "lzf " . Compress::LZF::compress $pkt
2881 if 1024 <= length $pkt and $self->{can_lzf};
2882
2883 # split very large packets
2884 if (8192 < length $pkt and $self->{can_lzf}) {
2885 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2886 $pkt = "frag";
2887 }
2888
2889 $self->send_packet ($pkt);
2881 } else { 2890 } else {
2882 if ($color >= 0) { 2891 if ($color >= 0) {
2883 # replace some tags by gcfclient-compatible ones 2892 # replace some tags by gcfclient-compatible ones
2884 for ($msg) { 2893 for ($msg) {
2885 1 while 2894 1 while
… …
3099 3108
3100=cut 3109=cut
3101 3110
3102for ( 3111for (
3103 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3112 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3104 insert remove inv name archname title slaying race 3113 insert remove inv nrof name archname title slaying race
3105 decrease split destroy)], 3114 decrease split destroy change_exp)],
3106 ["cf::object::player" => qw(player)], 3115 ["cf::object::player" => qw(player)],
3107 ["cf::player" => qw(peaceful)], 3116 ["cf::player" => qw(peaceful)],
3108 ["cf::map" => qw(trigger)], 3117 ["cf::map" => qw(trigger)],
3109) { 3118) {
3110 no strict 'refs'; 3119 no strict 'refs';
… …
3368 reload_treasures; 3377 reload_treasures;
3369 3378
3370 warn "finished reloading resource files\n"; 3379 warn "finished reloading resource files\n";
3371} 3380}
3372 3381
3373sub init {
3374 my $guard = freeze_mainloop;
3375
3376 reload_resources;
3377}
3378
3379sub reload_config { 3382sub reload_config {
3380 open my $fh, "<:utf8", "$CONFDIR/config" 3383 open my $fh, "<:utf8", "$CONFDIR/config"
3381 or return; 3384 or return;
3382 3385
3383 local $/; 3386 local $/;
… …
3395 }; 3398 };
3396 warn $@ if $@; 3399 warn $@ if $@;
3397 } 3400 }
3398} 3401}
3399 3402
3403sub pidfile() {
3404 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3405 or die "$PIDFILE: $!";
3406 flock $fh, &Fcntl::LOCK_EX
3407 or die "$PIDFILE: flock: $!";
3408 $fh
3409}
3410
3411# make sure only one server instance is running at any one time
3412sub atomic {
3413 my $fh = pidfile;
3414
3415 my $pid = <$fh>;
3416 kill 9, $pid if $pid > 0;
3417
3418 seek $fh, 0, 0;
3419 print $fh $$;
3420}
3421
3400sub main { 3422sub main {
3423 cf::init_globals; # initialise logging
3424
3425 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3426 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3427 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3428 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3429
3430 cf::init_experience;
3431 cf::init_anim;
3432 cf::init_attackmess;
3433 cf::init_dynamic;
3434 cf::init_block;
3435
3436 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3437
3401 # we must not ever block the main coroutine 3438 # we must not ever block the main coroutine
3402 local $Coro::idle = sub { 3439 local $Coro::idle = sub {
3403 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3440 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3404 (async { 3441 (async {
3405 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3442 $Coro::current->{desc} = "IDLE BUG HANDLER";
3406 EV::loop EV::LOOP_ONESHOT; 3443 EV::loop EV::LOOP_ONESHOT;
3407 })->prio (Coro::PRIO_MAX); 3444 })->prio (Coro::PRIO_MAX);
3408 }; 3445 };
3409 3446
3410 { 3447 evthread_start IO::AIO::poll_fileno;
3411 my $guard = freeze_mainloop; 3448
3449 cf::sync_job {
3450 reload_resources;
3412 reload_config; 3451 reload_config;
3413 db_init; 3452 db_init;
3453
3454 cf::load_settings;
3455 cf::load_materials;
3456 cf::init_uuid;
3457 cf::init_signals;
3458 cf::init_commands;
3459 cf::init_skills;
3460
3461 cf::init_beforeplay;
3462
3463 atomic;
3464
3414 load_extensions; 3465 load_extensions;
3415 3466
3416 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3467 utime time, time, $RUNTIMEFILE;
3417 evthread_start IO::AIO::poll_fileno; 3468
3469 # no (long-running) fork's whatsoever before this point(!)
3470 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3471
3472 (pop @POST_INIT)->(0) while @POST_INIT;
3418 } 3473 };
3419 3474
3420 EV::loop; 3475 EV::loop;
3421} 3476}
3422 3477
3423############################################################################# 3478#############################################################################
… …
3432 }; 3487 };
3433 } 3488 }
3434} 3489}
3435 3490
3436sub write_runtime_sync { 3491sub write_runtime_sync {
3437 my $runtime = "$LOCALDIR/runtime";
3438
3439 # first touch the runtime file to show we are still running: 3492 # first touch the runtime file to show we are still running:
3440 # the fsync below can take a very very long time. 3493 # the fsync below can take a very very long time.
3441 3494
3442 IO::AIO::aio_utime $runtime, undef, undef; 3495 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3443 3496
3444 my $guard = cf::lock_acquire "write_runtime"; 3497 my $guard = cf::lock_acquire "write_runtime";
3445 3498
3446 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3499 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3447 or return; 3500 or return;
3448 3501
3449 my $value = $cf::RUNTIME + 90 + 10; 3502 my $value = $cf::RUNTIME + 90 + 10;
3450 # 10 is the runtime save interval, for a monotonic clock 3503 # 10 is the runtime save interval, for a monotonic clock
3451 # 60 allows for the watchdog to kill the server. 3504 # 60 allows for the watchdog to kill the server.
… …
3461 aio_utime $fh, undef, undef; 3514 aio_utime $fh, undef, undef;
3462 3515
3463 close $fh 3516 close $fh
3464 or return; 3517 or return;
3465 3518
3466 aio_rename "$runtime~", $runtime 3519 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3467 and return; 3520 and return;
3468 3521
3469 warn "runtime file written.\n"; 3522 warn "runtime file written.\n";
3470 3523
3471 1 3524 1
… …
3483 my $uuid = "$LOCALDIR/uuid"; 3536 my $uuid = "$LOCALDIR/uuid";
3484 3537
3485 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644 3538 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3486 or return; 3539 or return;
3487 3540
3488 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur; 3541 my $value = uuid_seq uuid_cur;
3542
3543 unless ($value) {
3544 warn "cowardly refusing to write zero uuid value!\n";
3545 return;
3546 }
3547
3548 my $value = uuid_str $value + $uuid_skip;
3489 $uuid_skip = 0; 3549 $uuid_skip = 0;
3490 3550
3491 (aio_write $fh, 0, (length $value), $value, 0) <= 0 3551 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3492 and return; 3552 and return;
3493 3553
… …
3515} 3575}
3516 3576
3517sub emergency_save() { 3577sub emergency_save() {
3518 my $freeze_guard = cf::freeze_mainloop; 3578 my $freeze_guard = cf::freeze_mainloop;
3519 3579
3520 warn "enter emergency perl save\n"; 3580 warn "emergency_perl_save: enter\n";
3521 3581
3522 cf::sync_job { 3582 cf::sync_job {
3583 # this is a trade-off: we want to be very quick here, so
3584 # save all maps without fsync, and later call a global sync
3585 # (which in turn might be very very slow)
3586 local $USE_FSYNC = 0;
3587
3523 # use a peculiar iteration method to avoid tripping on perl 3588 # use a peculiar iteration method to avoid tripping on perl
3524 # refcount bugs in for. also avoids problems with players 3589 # refcount bugs in for. also avoids problems with players
3525 # and maps saved/destroyed asynchronously. 3590 # and maps saved/destroyed asynchronously.
3526 warn "begin emergency player save\n"; 3591 warn "emergency_perl_save: begin player save\n";
3527 for my $login (keys %cf::PLAYER) { 3592 for my $login (keys %cf::PLAYER) {
3528 my $pl = $cf::PLAYER{$login} or next; 3593 my $pl = $cf::PLAYER{$login} or next;
3529 $pl->valid or next; 3594 $pl->valid or next;
3530 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3595 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3531 $pl->save; 3596 $pl->save;
3532 } 3597 }
3533 warn "end emergency player save\n"; 3598 warn "emergency_perl_save: end player save\n";
3534 3599
3535 warn "begin emergency map save\n"; 3600 warn "emergency_perl_save: begin map save\n";
3536 for my $path (keys %cf::MAP) { 3601 for my $path (keys %cf::MAP) {
3537 my $map = $cf::MAP{$path} or next; 3602 my $map = $cf::MAP{$path} or next;
3538 $map->valid or next; 3603 $map->valid or next;
3539 $map->save; 3604 $map->save;
3540 } 3605 }
3541 warn "end emergency map save\n"; 3606 warn "emergency_perl_save: end map save\n";
3542 3607
3543 warn "begin emergency database checkpoint\n"; 3608 warn "emergency_perl_save: begin database checkpoint\n";
3544 BDB::db_env_txn_checkpoint $DB_ENV; 3609 BDB::db_env_txn_checkpoint $DB_ENV;
3545 warn "end emergency database checkpoint\n"; 3610 warn "emergency_perl_save: end database checkpoint\n";
3546 3611
3547 warn "begin write uuid\n"; 3612 warn "emergency_perl_save: begin write uuid\n";
3548 write_uuid_sync 1; 3613 write_uuid_sync 1;
3549 warn "end write uuid\n"; 3614 warn "emergency_perl_save: end write uuid\n";
3550 }; 3615 };
3551 3616
3617 warn "emergency_perl_save: starting sync()\n";
3618 IO::AIO::aio_sync sub {
3619 warn "emergency_perl_save: finished sync()\n";
3620 };
3621
3552 warn "leave emergency perl save\n"; 3622 warn "emergency_perl_save: leave\n";
3553} 3623}
3554 3624
3555sub post_cleanup { 3625sub post_cleanup {
3556 my ($make_core) = @_; 3626 my ($make_core) = @_;
3557 3627
3558 warn Carp::longmess "post_cleanup backtrace" 3628 warn Carp::longmess "post_cleanup backtrace"
3559 if $make_core; 3629 if $make_core;
3630
3631 my $fh = pidfile;
3632 unlink $PIDFILE if <$fh> == $$;
3633}
3634
3635# a safer delete_package, copied from Symbol
3636sub clear_package($) {
3637 my $pkg = shift;
3638
3639 # expand to full symbol table name if needed
3640 unless ($pkg =~ /^main::.*::$/) {
3641 $pkg = "main$pkg" if $pkg =~ /^::/;
3642 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3643 $pkg .= '::' unless $pkg =~ /::$/;
3644 }
3645
3646 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3647 my $stem_symtab = *{$stem}{HASH};
3648
3649 defined $stem_symtab and exists $stem_symtab->{$leaf}
3650 or return;
3651
3652 # clear all symbols
3653 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3654 for my $name (keys %$leaf_symtab) {
3655 _gv_clear *{"$pkg$name"};
3656# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3657 }
3658 warn "cleared package $pkg\n";#d#
3560} 3659}
3561 3660
3562sub do_reload_perl() { 3661sub do_reload_perl() {
3563 # can/must only be called in main 3662 # can/must only be called in main
3564 if ($Coro::current != $Coro::main) { 3663 if ($Coro::current != $Coro::main) {
3565 warn "can only reload from main coroutine"; 3664 warn "can only reload from main coroutine";
3566 return; 3665 return;
3567 } 3666 }
3568 3667
3668 return if $RELOAD++;
3669
3670 my $t1 = EV::time;
3671
3672 while ($RELOAD) {
3569 warn "reloading..."; 3673 warn "reloading...";
3570 3674
3571 warn "entering sync_job"; 3675 warn "entering sync_job";
3572 3676
3573 cf::sync_job { 3677 cf::sync_job {
3574 cf::write_runtime_sync; # external watchdog should not bark 3678 cf::write_runtime_sync; # external watchdog should not bark
3575 cf::emergency_save; 3679 cf::emergency_save;
3576 cf::write_runtime_sync; # external watchdog should not bark 3680 cf::write_runtime_sync; # external watchdog should not bark
3577 3681
3578 warn "syncing database to disk"; 3682 warn "syncing database to disk";
3579 BDB::db_env_txn_checkpoint $DB_ENV; 3683 BDB::db_env_txn_checkpoint $DB_ENV;
3580 3684
3581 # if anything goes wrong in here, we should simply crash as we already saved 3685 # if anything goes wrong in here, we should simply crash as we already saved
3582 3686
3583 warn "flushing outstanding aio requests"; 3687 warn "flushing outstanding aio requests";
3584 for (;;) {
3585 BDB::flush;
3586 IO::AIO::flush;
3587 Coro::cede_notself;
3588 last unless IO::AIO::nreqs || BDB::nreqs; 3688 while (IO::AIO::nreqs || BDB::nreqs) {
3589 warn "iterate..."; 3689 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3590 }
3591
3592 ++$RELOAD;
3593
3594 warn "cancelling all extension coros";
3595 $_->cancel for values %EXT_CORO;
3596 %EXT_CORO = ();
3597
3598 warn "removing commands";
3599 %COMMAND = ();
3600
3601 warn "removing ext/exti commands";
3602 %EXTCMD = ();
3603 %EXTICMD = ();
3604
3605 warn "unloading/nuking all extensions";
3606 for my $pkg (@EXTS) {
3607 warn "... unloading $pkg";
3608
3609 if (my $cb = $pkg->can ("unload")) {
3610 eval {
3611 $cb->($pkg);
3612 1
3613 } or warn "$pkg unloaded, but with errors: $@";
3614 } 3690 }
3615 3691
3616 warn "... nuking $pkg"; 3692 warn "cancelling all extension coros";
3617 Symbol::delete_package $pkg; 3693 $_->cancel for values %EXT_CORO;
3618 } 3694 %EXT_CORO = ();
3619 3695
3620 warn "unloading all perl modules loaded from $LIBDIR"; 3696 warn "removing commands";
3621 while (my ($k, $v) = each %INC) { 3697 %COMMAND = ();
3622 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3623 3698
3699 warn "removing ext/exti commands";
3700 %EXTCMD = ();
3701 %EXTICMD = ();
3702
3703 warn "unloading/nuking all extensions";
3704 for my $pkg (@EXTS) {
3624 warn "... unloading $k"; 3705 warn "... unloading $pkg";
3625 delete $INC{$k};
3626 3706
3627 $k =~ s/\.pm$//;
3628 $k =~ s/\//::/g;
3629
3630 if (my $cb = $k->can ("unload_module")) { 3707 if (my $cb = $pkg->can ("unload")) {
3708 eval {
3631 $cb->(); 3709 $cb->($pkg);
3710 1
3711 } or warn "$pkg unloaded, but with errors: $@";
3712 }
3713
3714 warn "... clearing $pkg";
3715 clear_package $pkg;
3632 } 3716 }
3633 3717
3634 Symbol::delete_package $k; 3718 warn "unloading all perl modules loaded from $LIBDIR";
3719 while (my ($k, $v) = each %INC) {
3720 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3721
3722 warn "... unloading $k";
3723 delete $INC{$k};
3724
3725 $k =~ s/\.pm$//;
3726 $k =~ s/\//::/g;
3727
3728 if (my $cb = $k->can ("unload_module")) {
3729 $cb->();
3730 }
3731
3732 clear_package $k;
3635 } 3733 }
3636 3734
3637 warn "getting rid of safe::, as good as possible"; 3735 warn "getting rid of safe::, as good as possible";
3638 Symbol::delete_package "safe::$_" 3736 clear_package "safe::$_"
3639 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3737 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3640 3738
3641 warn "unloading cf.pm \"a bit\""; 3739 warn "unloading cf.pm \"a bit\"";
3642 delete $INC{"cf.pm"}; 3740 delete $INC{"cf.pm"};
3643 delete $INC{"cf/pod.pm"}; 3741 delete $INC{"cf/pod.pm"};
3644 3742
3645 # don't, removes xs symbols, too, 3743 # don't, removes xs symbols, too,
3646 # and global variables created in xs 3744 # and global variables created in xs
3647 #Symbol::delete_package __PACKAGE__; 3745 #clear_package __PACKAGE__;
3648 3746
3649 warn "unload completed, starting to reload now"; 3747 warn "unload completed, starting to reload now";
3650 3748
3651 warn "reloading cf.pm"; 3749 warn "reloading cf.pm";
3652 require cf; 3750 require cf;
3653 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3751 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3654 3752
3655 warn "loading config and database again"; 3753 warn "loading config and database again";
3656 cf::reload_config; 3754 cf::reload_config;
3657 3755
3658 warn "loading extensions"; 3756 warn "loading extensions";
3659 cf::load_extensions; 3757 cf::load_extensions;
3660 3758
3759 if ($REATTACH_ON_RELOAD) {
3661 warn "reattaching attachments to objects/players"; 3760 warn "reattaching attachments to objects/players";
3662 _global_reattach; # objects, sockets 3761 _global_reattach; # objects, sockets
3663 warn "reattaching attachments to maps"; 3762 warn "reattaching attachments to maps";
3664 reattach $_ for values %MAP; 3763 reattach $_ for values %MAP;
3665 warn "reattaching attachments to players"; 3764 warn "reattaching attachments to players";
3666 reattach $_ for values %PLAYER; 3765 reattach $_ for values %PLAYER;
3766 }
3667 3767
3768 warn "running post_init jobs";
3769 (pop @POST_INIT)->(1) while @POST_INIT;
3770
3668 warn "leaving sync_job"; 3771 warn "leaving sync_job";
3669 3772
3670 1 3773 1
3671 } or do { 3774 } or do {
3672 warn $@; 3775 warn $@;
3673 cf::cleanup "error while reloading, exiting."; 3776 cf::cleanup "error while reloading, exiting.";
3674 }; 3777 };
3675 3778
3676 warn "reloaded"; 3779 warn "reloaded";
3780 --$RELOAD;
3781 }
3782
3783 $t1 = EV::time - $t1;
3784 warn "reload completed in ${t1}s\n";
3677}; 3785};
3678 3786
3679our $RELOAD_WATCHER; # used only during reload 3787our $RELOAD_WATCHER; # used only during reload
3680 3788
3681sub reload_perl() { 3789sub reload_perl() {
3682 # doing reload synchronously and two reloads happen back-to-back, 3790 # doing reload synchronously and two reloads happen back-to-back,
3683 # coro crashes during coro_state_free->destroy here. 3791 # coro crashes during coro_state_free->destroy here.
3684 3792
3793 $RELOAD_WATCHER ||= cf::async {
3794 Coro::AIO::aio_wait cache_extensions;
3795
3685 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3796 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3686 do_reload_perl; 3797 do_reload_perl;
3687 undef $RELOAD_WATCHER; 3798 undef $RELOAD_WATCHER;
3799 };
3688 }; 3800 };
3689} 3801}
3690 3802
3691register_command "reload" => sub { 3803register_command "reload" => sub {
3692 my ($who, $arg) = @_; 3804 my ($who, $arg) = @_;
… …
3763{ 3875{
3764 # configure BDB 3876 # configure BDB
3765 3877
3766 BDB::min_parallel 8; 3878 BDB::min_parallel 8;
3767 BDB::max_poll_reqs $TICK * 0.1; 3879 BDB::max_poll_reqs $TICK * 0.1;
3768 $Coro::BDB::WATCHER->priority (1); 3880 $AnyEvent::BDB::WATCHER->priority (1);
3769 3881
3770 unless ($DB_ENV) { 3882 unless ($DB_ENV) {
3771 $DB_ENV = BDB::db_env_create; 3883 $DB_ENV = BDB::db_env_create;
3772 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3884 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3773 | BDB::LOG_AUTOREMOVE, 1); 3885 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3886 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3774 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT); 3887 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3775 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT); 3888 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3776 3889
3777 cf::sync_job { 3890 cf::sync_job {
3778 eval { 3891 eval {
… …
3804{ 3917{
3805 # configure IO::AIO 3918 # configure IO::AIO
3806 3919
3807 IO::AIO::min_parallel 8; 3920 IO::AIO::min_parallel 8;
3808 IO::AIO::max_poll_time $TICK * 0.1; 3921 IO::AIO::max_poll_time $TICK * 0.1;
3809 $Coro::AIO::WATCHER->priority (1); 3922 undef $AnyEvent::AIO::WATCHER;
3810} 3923}
3811 3924
3812my $_log_backtrace; 3925my $_log_backtrace;
3813 3926
3814sub _log_backtrace { 3927sub _log_backtrace {
… …
3817 $msg =~ s/\n//; 3930 $msg =~ s/\n//;
3818 3931
3819 # limit the # of concurrent backtraces 3932 # limit the # of concurrent backtraces
3820 if ($_log_backtrace < 2) { 3933 if ($_log_backtrace < 2) {
3821 ++$_log_backtrace; 3934 ++$_log_backtrace;
3935 my $perl_bt = Carp::longmess $msg;
3822 async { 3936 async {
3823 $Coro::current->{desc} = "abt $msg"; 3937 $Coro::current->{desc} = "abt $msg";
3824 3938
3825 my @bt = fork_call { 3939 my @bt = fork_call {
3826 @addr = map { sprintf "%x", $_ } @addr; 3940 @addr = map { sprintf "%x", $_ } @addr;
… …
3837 } 3951 }
3838 3952
3839 @funcs 3953 @funcs
3840 }; 3954 };
3841 3955
3842 LOG llevInfo, "[ABT] $msg\n"; 3956 LOG llevInfo, "[ABT] $perl_bt\n";
3957 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3843 LOG llevInfo, "[ABT] $_\n" for @bt; 3958 LOG llevInfo, "[ABT] $_\n" for @bt;
3844 --$_log_backtrace; 3959 --$_log_backtrace;
3845 }; 3960 };
3846 } else { 3961 } else {
3847 LOG llevInfo, "[ABT] $msg\n"; 3962 LOG llevInfo, "[ABT] $msg\n";

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