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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 1.463 by root, Sun Dec 28 06:59:27 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
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
… …
119our $LOAD; # a number between 0 (idle) and 1 (too many objects) 130our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120our $LOADAVG; # same thing, but with alpha-smoothing 131our $LOADAVG; # same thing, but with alpha-smoothing
121our $JITTER; # average jitter 132our $JITTER; # average jitter
122our $TICK_START; # for load detecting purposes 133our $TICK_START; # for load detecting purposes
123 134
135our @POST_INIT;
136
137our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
138
124binmode STDOUT; 139binmode STDOUT;
125binmode STDERR; 140binmode STDERR;
126 141
127# read virtual server time, if available 142# read virtual server time, if available
128unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 143unless ($RUNTIME || !-e $RUNTIMEFILE) {
129 open my $fh, "<", "$LOCALDIR/runtime" 144 open my $fh, "<", $RUNTIMEFILE
130 or die "unable to read runtime file: $!"; 145 or die "unable to read $RUNTIMEFILE file: $!";
131 $RUNTIME = <$fh> + 0.; 146 $RUNTIME = <$fh> + 0.;
132} 147}
133 148
134mkdir $_ 149mkdir $_
135 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 150 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
… …
242for my $pkg (qw( 257for my $pkg (qw(
243 cf::global cf::attachable 258 cf::global cf::attachable
244 cf::object cf::object::player 259 cf::object cf::object::player
245 cf::client cf::player 260 cf::client cf::player
246 cf::arch cf::living 261 cf::arch cf::living
262 cf::map cf::mapspace
247 cf::map cf::party cf::region 263 cf::party cf::region
248)) { 264)) {
249 no strict 'refs';
250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 265 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251} 266}
252 267
253$EV::DIED = sub { 268$EV::DIED = sub {
254 warn "error in event callback: @_"; 269 warn "error in event callback: @_";
… …
296our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 311our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297 312
298sub encode_json($) { $json_coder->encode ($_[0]) } 313sub encode_json($) { $json_coder->encode ($_[0]) }
299sub decode_json($) { $json_coder->decode ($_[0]) } 314sub decode_json($) { $json_coder->decode ($_[0]) }
300 315
316=item cf::post_init { BLOCK }
317
318Execute the given codeblock, I<after> all extensions have been (re-)loaded,
319but I<before> the server starts ticking again.
320
321The cdoeblock will have a single boolean argument to indicate whether this
322is a reload or not.
323
324=cut
325
326sub post_init(&) {
327 push @POST_INIT, shift;
328}
329
301=item cf::lock_wait $string 330=item cf::lock_wait $string
302 331
303Wait until the given lock is available. See cf::lock_acquire. 332Wait until the given lock is available. See cf::lock_acquire.
304 333
305=item my $lock = cf::lock_acquire $string 334=item my $lock = cf::lock_acquire $string
306 335
307Wait until the given lock is available and then acquires it and returns 336Wait until the given lock is available and then acquires it and returns
308a Coro::guard object. If the guard object gets destroyed (goes out of scope, 337a L<Guard> object. If the guard object gets destroyed (goes out of scope,
309for example when the coroutine gets canceled), the lock is automatically 338for example when the coroutine gets canceled), the lock is automatically
310returned. 339returned.
311 340
312Locks are *not* recursive, locking from the same coro twice results in a 341Locks are *not* recursive, locking from the same coro twice results in a
313deadlocked coro. 342deadlocked coro.
… …
319 348
320Return true if the lock is currently active, i.e. somebody has locked it. 349Return true if the lock is currently active, i.e. somebody has locked it.
321 350
322=cut 351=cut
323 352
324our %LOCK; 353our $LOCKS = new Coro::SemaphoreSet;
325our %LOCKER;#d#
326 354
327sub lock_wait($) { 355sub lock_wait($) {
328 my ($key) = @_; 356 $LOCKS->wait ($_[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} }, $Coro::current;
338 Coro::schedule;
339 }
340} 357}
341 358
342sub lock_acquire($) { 359sub lock_acquire($) {
343 my ($key) = @_; 360 $LOCKS->guard ($_[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} 361}
357 362
358sub lock_active($) { 363sub lock_active($) {
359 my ($key) = @_; 364 $LOCKS->count ($_[0]) < 1
360
361 ! ! $LOCK{$key}
362} 365}
363 366
364sub freeze_mainloop { 367sub freeze_mainloop {
365 tick_inhibit_inc; 368 tick_inhibit_inc;
366 369
367 Coro::guard \&tick_inhibit_dec; 370 &Guard::guard (\&tick_inhibit_dec);
368} 371}
369 372
370=item cf::periodic $interval, $cb 373=item cf::periodic $interval, $cb
371 374
372Like EV::periodic, but randomly selects a starting point so that the actions 375Like EV::periodic, but randomly selects a starting point so that the actions
… …
724 727
725############################################################################# 728#############################################################################
726 729
727=head2 ATTACHABLE OBJECTS 730=head2 ATTACHABLE OBJECTS
728 731
729Many objects in crossfire are so-called attachable objects. That means you can 732Many objects in deliantra are so-called attachable objects. That means you can
730attach callbacks/event handlers (a collection of which is called an "attachment") 733attach callbacks/event handlers (a collection of which is called an "attachment")
731to it. All such attachable objects support the following methods. 734to it. All such attachable objects support the following methods.
732 735
733In the following description, CLASS can be any of C<global>, C<object> 736In the following description, CLASS can be any of C<global>, C<object>
734C<player>, C<client> or C<map> (i.e. the attachable objects in 737C<player>, C<client> or C<map> (i.e. the attachable objects in
… …
784=item cf::CLASS::attachment $name, ... 787=item cf::CLASS::attachment $name, ...
785 788
786Register an attachment by C<$name> through which attachable objects of the 789Register an attachment by C<$name> through which attachable objects of the
787given CLASS can refer to this attachment. 790given CLASS can refer to this attachment.
788 791
789Some classes such as crossfire maps and objects can specify attachments 792Some classes such as deliantra maps and objects can specify attachments
790that are attached at load/instantiate time, thus the need for a name. 793that are attached at load/instantiate time, thus the need for a name.
791 794
792These calls expect any number of the following handler/hook descriptions: 795These calls expect any number of the following handler/hook descriptions:
793 796
794=over 4 797=over 4
… …
1085 1088
1086sub reattach { 1089sub reattach {
1087 # basically do the same as instantiate, without calling instantiate 1090 # basically do the same as instantiate, without calling instantiate
1088 my ($obj) = @_; 1091 my ($obj) = @_;
1089 1092
1093 # no longer needed after getting rid of delete_package?
1090 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1094 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1091 1095
1092 my $registry = $obj->registry; 1096 my $registry = $obj->registry;
1093 1097
1094 @$registry = (); 1098 @$registry = ();
1095 1099
… …
1160 } else { 1164 } else {
1161 aio_unlink "$filename.pst"; 1165 aio_unlink "$filename.pst";
1162 } 1166 }
1163 1167
1164 aio_rename "$filename~", $filename; 1168 aio_rename "$filename~", $filename;
1169
1170 $filename =~ s%/[^/]+$%%;
1171 aio_pathsync $filename if $cf::USE_FSYNC;
1165 } else { 1172 } else {
1166 warn "FATAL: $filename~: $!\n"; 1173 warn "unable to save objects: $filename~: $!\n";
1167 } 1174 }
1168 } else { 1175 } else {
1169 aio_unlink $filename; 1176 aio_unlink $filename;
1170 aio_unlink "$filename.pst"; 1177 aio_unlink "$filename.pst";
1171 } 1178 }
… …
1262 my ($name, $cb) = @_; 1269 my ($name, $cb) = @_;
1263 1270
1264 $EXTICMD{$name} = $cb; 1271 $EXTICMD{$name} = $cb;
1265} 1272}
1266 1273
1274use File::Glob ();
1275
1267cf::player->attach ( 1276cf::player->attach (
1268 on_command => sub { 1277 on_command => sub {
1269 my ($pl, $name, $params) = @_; 1278 my ($pl, $name, $params) = @_;
1270 1279
1271 my $cb = $COMMAND{$name} 1280 my $cb = $COMMAND{$name}
… …
1303 1312
1304 cf::override; 1313 cf::override;
1305 }, 1314 },
1306); 1315);
1307 1316
1317# "readahead" all extensions
1318sub cache_extensions {
1319 my $grp = IO::AIO::aio_group;
1320
1321 add $grp IO::AIO::aio_readdir $LIBDIR, sub {
1322 for (grep /\.ext$/, @{$_[0]}) {
1323 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1324 }
1325 };
1326
1327 $grp
1328}
1329
1308sub load_extensions { 1330sub load_extensions {
1309 cf::sync_job { 1331 cf::sync_job {
1310 my %todo; 1332 my %todo;
1311 1333
1312 for my $path (<$LIBDIR/*.ext>) { 1334 for my $path (<$LIBDIR/*.ext>) {
… …
1331 1353
1332 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1354 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1355 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334 1356
1335 $ext{source} = 1357 $ext{source} =
1336 "package $pkg; use strict; use utf8;\n" 1358 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1337 . "#line 1 \"$path\"\n{\n" 1359 . "#line 1 \"$path\"\n{\n"
1338 . $source 1360 . $source
1339 . "\n};\n1"; 1361 . "\n};\n1";
1340 1362
1341 $todo{$base} = \%ext; 1363 $todo{$base} = \%ext;
… …
1381 1403
1382=back 1404=back
1383 1405
1384=head2 CORE EXTENSIONS 1406=head2 CORE EXTENSIONS
1385 1407
1386Functions and methods that extend core crossfire objects. 1408Functions and methods that extend core deliantra objects.
1387 1409
1388=cut 1410=cut
1389 1411
1390package cf::player; 1412package cf::player;
1391 1413
… …
1434 1456
1435sub exists($) { 1457sub exists($) {
1436 my ($login) = @_; 1458 my ($login) = @_;
1437 1459
1438 $cf::PLAYER{$login} 1460 $cf::PLAYER{$login}
1439 or cf::sync_job { !aio_stat path $login } 1461 or !aio_stat path $login
1440} 1462}
1441 1463
1442sub find($) { 1464sub find($) {
1443 return $cf::PLAYER{$_[0]} || do { 1465 return $cf::PLAYER{$_[0]} || do {
1444 my $login = $_[0]; 1466 my $login = $_[0];
… …
1519 my ($pl) = @_; 1541 my ($pl) = @_;
1520 1542
1521 my $name = $pl->ob->name; 1543 my $name = $pl->ob->name;
1522 1544
1523 $pl->{deny_save} = 1; 1545 $pl->{deny_save} = 1;
1524 $pl->password ("*"); # this should lock out the player until we nuked the dir 1546 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1525 1547
1526 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1548 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1527 $pl->deactivate; 1549 $pl->deactivate;
1550 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1551 $pl->ob->check_score;
1528 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1552 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1529 $pl->ns->destroy if $pl->ns; 1553 $pl->ns->destroy if $pl->ns;
1530 1554
1531 my $path = playerdir $pl; 1555 my $path = playerdir $pl;
1532 my $temp = "$path~$cf::RUNTIME~deleting~"; 1556 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1613 } 1637 }
1614 1638
1615 \@paths 1639 \@paths
1616} 1640}
1617 1641
1618=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1642=item $protocol_xml = $player->expand_cfpod ($cfpod)
1619 1643
1620Expand crossfire pod fragments into protocol xml. 1644Expand 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 1645
1711=item $player->ext_reply ($msgid, @msg) 1646=item $player->ext_reply ($msgid, @msg)
1712 1647
1713Sends an ext reply to the player. 1648Sends an ext reply to the player.
1714 1649
… …
1927 1862
1928 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go; 1863 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1929 "$UNIQUEDIR/$path" 1864 "$UNIQUEDIR/$path"
1930} 1865}
1931 1866
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 $_->outdoor, values %cf::MAP;
1939}
1940
1941sub decay_objects { 1867sub decay_objects {
1942 my ($self) = @_; 1868 my ($self) = @_;
1943 1869
1944 return if $self->{deny_reset}; 1870 return if $self->{deny_reset};
1945 1871
… …
2027sub find { 1953sub find {
2028 my ($path, $origin) = @_; 1954 my ($path, $origin) = @_;
2029 1955
2030 $path = normalise $path, $origin && $origin->path; 1956 $path = normalise $path, $origin && $origin->path;
2031 1957
2032 cf::lock_wait "map_data:$path";#d#remove 1958 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2033 cf::lock_wait "map_find:$path"; 1959 my $guard2 = cf::lock_acquire "map_find:$path";
2034 1960
2035 $cf::MAP{$path} || do { 1961 $cf::MAP{$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 1962 my $map = new_from_path cf::map $path
2040 or return; 1963 or return;
2041 1964
2042 $map->{last_save} = $cf::RUNTIME; 1965 $map->{last_save} = $cf::RUNTIME;
2043 1966
… …
2045 or return; 1968 or return;
2046 1969
2047 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 1970 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2048 # doing this can freeze the server in a sync job, obviously 1971 # doing this can freeze the server in a sync job, obviously
2049 #$cf::WAIT_FOR_TICK->wait; 1972 #$cf::WAIT_FOR_TICK->wait;
1973 undef $guard2;
2050 undef $guard1; 1974 undef $guard1;
2051 undef $guard2;
2052 $map->reset; 1975 $map->reset;
2053 return find $path; 1976 return find $path;
2054 } 1977 }
2055 1978
2056 $cf::MAP{$path} = $map 1979 $cf::MAP{$path} = $map
… …
2083 my $f = new_from_file cf::object::thawer $self->{load_path}; 2006 my $f = new_from_file cf::object::thawer $self->{load_path};
2084 $f->skip_block; 2007 $f->skip_block;
2085 $self->_load_objects ($f) 2008 $self->_load_objects ($f)
2086 or return; 2009 or return;
2087 2010
2088 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2011 $self->post_load_original
2089 if delete $self->{load_original}; 2012 if delete $self->{load_original};
2090 2013
2091 if (my $uniq = $self->uniq_path) { 2014 if (my $uniq = $self->uniq_path) {
2092 utf8::encode $uniq; 2015 utf8::encode $uniq;
2093 unless (aio_stat $uniq) { 2016 unless (aio_stat $uniq) {
… …
2110 2033
2111 unless ($self->{deny_activate}) { 2034 unless ($self->{deny_activate}) {
2112 $self->decay_objects; 2035 $self->decay_objects;
2113 $self->fix_auto_apply; 2036 $self->fix_auto_apply;
2114 $self->update_buttons; 2037 $self->update_buttons;
2115 cf::cede_to_tick;
2116 $self->set_darkness_map;
2117 cf::cede_to_tick; 2038 cf::cede_to_tick;
2118 $self->activate; 2039 $self->activate;
2119 } 2040 }
2120 2041
2121 $self->{last_save} = $cf::RUNTIME; 2042 $self->{last_save} = $cf::RUNTIME;
… …
2459can be C<undef>. Does the right thing when the player is currently in a 2380can be C<undef>. Does the right thing when the player is currently in a
2460dialogue with the given NPC character. 2381dialogue with the given NPC character.
2461 2382
2462=cut 2383=cut
2463 2384
2385our $SAY_CHANNEL = {
2386 id => "say",
2387 title => "Map",
2388 reply => "say ",
2389 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2390};
2391
2392our $CHAT_CHANNEL = {
2393 id => "chat",
2394 title => "Chat",
2395 reply => "chat ",
2396 tooltip => "Player chat and shouts, global to the server.",
2397};
2398
2464# rough implementation of a future "reply" method that works 2399# rough implementation of a future "reply" method that works
2465# with dialog boxes. 2400# with dialog boxes.
2466#TODO: the first argument must go, split into a $npc->reply_to ( method 2401#TODO: the first argument must go, split into a $npc->reply_to ( method
2467sub cf::object::player::reply($$$;$) { 2402sub cf::object::player::reply($$$;$) {
2468 my ($self, $npc, $msg, $flags) = @_; 2403 my ($self, $npc, $msg, $flags) = @_;
… …
2479 my $dialog = $pl->{npc_dialog}; 2414 my $dialog = $pl->{npc_dialog};
2480 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg)); 2415 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2481 2416
2482 } else { 2417 } else {
2483 $msg = $npc->name . " says: $msg" if $npc; 2418 $msg = $npc->name . " says: $msg" if $npc;
2484 $self->message ($msg, $flags); 2419 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2485 } 2420 }
2486 } 2421 }
2487} 2422}
2488 2423
2489=item $object->send_msg ($channel, $msg, $color, [extra...]) 2424=item $object->send_msg ($channel, $msg, $color, [extra...])
… …
2514 2449
2515=item $player_object->enter_link 2450=item $player_object->enter_link
2516 2451
2517Freezes the player and moves him/her to a special map (C<{link}>). 2452Freezes the player and moves him/her to a special map (C<{link}>).
2518 2453
2519The player should be reasonably safe there for short amounts of time. You 2454The player should be reasonably safe there for short amounts of time (e.g.
2520I<MUST> call C<leave_link> as soon as possible, though. 2455for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2456though, as the palyer cannot control the character while it is on the link
2457map.
2521 2458
2522Will never block. 2459Will never block.
2523 2460
2524=item $player_object->leave_link ($map, $x, $y) 2461=item $player_object->leave_link ($map, $x, $y)
2525 2462
… …
2583 2520
2584 $map->load; 2521 $map->load;
2585 $map->load_neighbours; 2522 $map->load_neighbours;
2586 2523
2587 return unless $self->contr->active; 2524 return unless $self->contr->active;
2525 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2588 $self->activate_recursive; 2526 $self->activate_recursive;
2589 2527
2590 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2528 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2591 $self->enter_map ($map, $x, $y); 2529 $self->enter_map ($map, $x, $y);
2592} 2530}
… …
2596Moves the player to the given map-path and coordinates by first freezing 2534Moves the player to the given map-path and coordinates by first freezing
2597her, loading and preparing them map, calling the provided $check callback 2535her, loading and preparing them map, calling the provided $check callback
2598that has to return the map if sucecssful, and then unfreezes the player on 2536that has to return the map if sucecssful, and then unfreezes the player on
2599the new (success) or old (failed) map position. In either case, $done will 2537the new (success) or old (failed) map position. In either case, $done will
2600be called at the end of this process. 2538be called at the end of this process.
2539
2540Note that $check will be called with a potentially non-loaded map, so if
2541it needs a loaded map it has to call C<< ->load >>.
2601 2542
2602=cut 2543=cut
2603 2544
2604our $GOTOGEN; 2545our $GOTOGEN;
2605 2546
… …
2684} 2625}
2685 2626
2686sub prepare_random_map { 2627sub prepare_random_map {
2687 my ($exit) = @_; 2628 my ($exit) = @_;
2688 2629
2689 my $guard = cf::lock_acquire "exit_prepare:$exit";
2690
2691 # all this does is basically replace the /! path by 2630 # all this does is basically replace the /! path by
2692 # a new random map path (?random/...) with a seed 2631 # a new random map path (?random/...) with a seed
2693 # that depends on the exit object 2632 # that depends on the exit object
2694 2633
2695 my $rmp = parse_random_map_params $exit->msg; 2634 my $rmp = parse_random_map_params $exit->msg;
… …
2697 if ($exit->map) { 2636 if ($exit->map) {
2698 $rmp->{region} = $exit->region->name; 2637 $rmp->{region} = $exit->region->name;
2699 $rmp->{origin_map} = $exit->map->path; 2638 $rmp->{origin_map} = $exit->map->path;
2700 $rmp->{origin_x} = $exit->x; 2639 $rmp->{origin_x} = $exit->x;
2701 $rmp->{origin_y} = $exit->y; 2640 $rmp->{origin_y} = $exit->y;
2641
2642 $exit->map->touch;
2702 } 2643 }
2703 2644
2704 $rmp->{random_seed} ||= $exit->random_seed; 2645 $rmp->{random_seed} ||= $exit->random_seed;
2705 2646
2706 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp); 2647 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
… …
2710 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2651 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2711 aio_write $fh, 0, (length $data), $data, 0; 2652 aio_write $fh, 0, (length $data), $data, 0;
2712 undef $fh; 2653 undef $fh;
2713 aio_rename "$meta~", $meta; 2654 aio_rename "$meta~", $meta;
2714 2655
2656 my $slaying = "?random/$md5";
2657
2658 if ($exit->valid) {
2715 $exit->slaying ("?random/$md5"); 2659 $exit->slaying ("?random/$md5");
2716 $exit->msg (undef); 2660 $exit->msg (undef);
2661 }
2717 } 2662 }
2718} 2663}
2719 2664
2720sub cf::object::player::enter_exit { 2665sub cf::object::player::enter_exit {
2721 my ($self, $exit) = @_; 2666 my ($self, $exit) = @_;
2722 2667
2723 return unless $self->type == cf::PLAYER; 2668 return unless $self->type == cf::PLAYER;
2724 2669
2725 if ($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; 2670 $self->enter_link;
2737 2671
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 { 2672 (async {
2743 $Coro::current->{desc} = "enter_exit $slaying $hp $sp"; 2673 $Coro::current->{desc} = "enter_exit";
2744 2674
2745 $self->deactivate_recursive; # just to be sure
2746 unless (eval { 2675 unless (eval {
2676 $self->deactivate_recursive; # just to be sure
2677
2678 # random map handling
2679 {
2680 my $guard = cf::lock_acquire "exit_prepare:$exit";
2681
2682 prepare_random_map $exit
2683 if $exit->slaying eq "/!";
2684 }
2685
2686 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2687 my $x = $exit->stats->hp;
2688 my $y = $exit->stats->sp;
2689
2747 $self->goto ($slaying, $hp, $sp); 2690 $self->goto ($map, $x, $y);
2748 2691
2692 # if exit is damned, update players death & WoR home-position
2693 $self->contr->savebed ($map, $x, $y)
2694 if $exit->flag (cf::FLAG_DAMNED);
2695
2749 1; 2696 1
2750 }) { 2697 }) {
2751 $self->message ("Something went wrong deep within the crossfire server. " 2698 $self->message ("Something went wrong deep within the deliantra server. "
2752 . "I'll try to bring you back to the map you were before. " 2699 . "I'll try to bring you back to the map you were before. "
2753 . "Please report this to the dungeon master!", 2700 . "Please report this to the dungeon master!",
2754 cf::NDI_UNIQUE | cf::NDI_RED); 2701 cf::NDI_UNIQUE | cf::NDI_RED);
2755 2702
2756 warn "ERROR in enter_exit: $@"; 2703 warn "ERROR in enter_exit: $@";
… …
2822 id => "infobox", 2769 id => "infobox",
2823 title => "Body Parts", 2770 title => "Body Parts",
2824 reply => undef, 2771 reply => undef,
2825 tooltip => "Shows which body parts you posess and are available", 2772 tooltip => "Shows which body parts you posess and are available",
2826 }, 2773 },
2774 "c/skills" => {
2775 id => "infobox",
2776 title => "Skills",
2777 reply => undef,
2778 tooltip => "Shows your experience per skill and item power",
2779 },
2827 "c/uptime" => { 2780 "c/uptime" => {
2828 id => "infobox", 2781 id => "infobox",
2829 title => "Uptime", 2782 title => "Uptime",
2830 reply => undef, 2783 reply => undef,
2831 tooltip => "How long the server has been running since last restart", 2784 tooltip => "How long the server has been running since last restart",
… …
2840 id => "party", 2793 id => "party",
2841 title => "Party", 2794 title => "Party",
2842 reply => "gsay ", 2795 reply => "gsay ",
2843 tooltip => "Messages and chat related to your party", 2796 tooltip => "Messages and chat related to your party",
2844 }, 2797 },
2798 "c/say" => $SAY_CHANNEL,
2799 "c/chat" => $CHAT_CHANNEL,
2845); 2800);
2846 2801
2847sub cf::client::send_msg { 2802sub cf::client::send_msg {
2848 my ($self, $channel, $msg, $color, @extra) = @_; 2803 my ($self, $channel, $msg, $color, @extra) = @_;
2849 2804
2850 $msg = $self->pl->expand_cfpod ($msg); 2805 $msg = $self->pl->expand_cfpod ($msg)
2806 unless $color & cf::NDI_VERBATIM;
2851 2807
2852 $color &= cf::NDI_CLIENT_MASK; # just in case... 2808 $color &= cf::NDI_CLIENT_MASK; # just in case...
2853 2809
2854 # check predefined channels, for the benefit of C 2810 # check predefined channels, for the benefit of C
2855 if ($CHANNEL{$channel}) { 2811 if ($CHANNEL{$channel}) {
2856 $channel = $CHANNEL{$channel}; 2812 $channel = $CHANNEL{$channel};
2857 2813
2858 $self->ext_msg (channel_info => $channel) 2814 $self->ext_msg (channel_info => $channel);
2859 if $self->can_msg;
2860
2861 $channel = $channel->{id}; 2815 $channel = $channel->{id};
2862 2816
2863 } elsif (ref $channel) { 2817 } elsif (ref $channel) {
2864 # send meta info to client, if not yet sent 2818 # send meta info to client, if not yet sent
2865 unless (exists $self->{channel}{$channel->{id}}) { 2819 unless (exists $self->{channel}{$channel->{id}}) {
2866 $self->{channel}{$channel->{id}} = $channel; 2820 $self->{channel}{$channel->{id}} = $channel;
2867 $self->ext_msg (channel_info => $channel) 2821 $self->ext_msg (channel_info => $channel);
2868 if $self->can_msg;
2869 } 2822 }
2870 2823
2871 $channel = $channel->{id}; 2824 $channel = $channel->{id};
2872 } 2825 }
2873 2826
2874 return unless @extra || length $msg; 2827 return unless @extra || length $msg;
2875 2828
2876 if ($self->can_msg) {
2877 # default colour, mask it out 2829 # default colour, mask it out
2878 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2830 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2879 if $color & cf::NDI_DEF; 2831 if $color & cf::NDI_DEF;
2880 2832
2881 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2833 my $pkt = "msg "
2834 . $self->{json_coder}->encode (
2882 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2835 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2883 } else { 2836 );
2884 if ($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 2837
2895 $color &= cf::NDI_COLOR_MASK; 2838 # try lzf for large packets
2839 $pkt = "lzf " . Compress::LZF::compress $pkt
2840 if 1024 <= length $pkt and $self->{can_lzf};
2896 2841
2897 utf8::encode $msg; 2842 # split very large packets
2898 2843 if (8192 < length $pkt and $self->{can_lzf}) {
2899 if (0 && $msg =~ /\[/) { 2844 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2900 # COMMAND/INFO 2845 $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 } 2846 }
2847
2848 $self->send_packet ($pkt);
2908} 2849}
2909 2850
2910=item $client->ext_msg ($type, @msg) 2851=item $client->ext_msg ($type, @msg)
2911 2852
2912Sends an ext event to the client. 2853Sends an ext event to the client.
… …
3101 3042
3102=cut 3043=cut
3103 3044
3104for ( 3045for (
3105 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3046 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3106 insert remove inv name archname title slaying race 3047 insert remove inv nrof name archname title slaying race
3107 decrease split destroy)], 3048 decrease split destroy change_exp)],
3108 ["cf::object::player" => qw(player)], 3049 ["cf::object::player" => qw(player)],
3109 ["cf::player" => qw(peaceful)], 3050 ["cf::player" => qw(peaceful)],
3110 ["cf::map" => qw(trigger)], 3051 ["cf::map" => qw(trigger)],
3111) { 3052) {
3112 no strict 'refs'; 3053 no strict 'refs';
… …
3370 reload_treasures; 3311 reload_treasures;
3371 3312
3372 warn "finished reloading resource files\n"; 3313 warn "finished reloading resource files\n";
3373} 3314}
3374 3315
3375sub init {
3376 my $guard = freeze_mainloop;
3377
3378 reload_resources;
3379}
3380
3381sub reload_config { 3316sub reload_config {
3382 open my $fh, "<:utf8", "$CONFDIR/config" 3317 open my $fh, "<:utf8", "$CONFDIR/config"
3383 or return; 3318 or return;
3384 3319
3385 local $/; 3320 local $/;
… …
3397 }; 3332 };
3398 warn $@ if $@; 3333 warn $@ if $@;
3399 } 3334 }
3400} 3335}
3401 3336
3337sub pidfile() {
3338 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3339 or die "$PIDFILE: $!";
3340 flock $fh, &Fcntl::LOCK_EX
3341 or die "$PIDFILE: flock: $!";
3342 $fh
3343}
3344
3345# make sure only one server instance is running at any one time
3346sub atomic {
3347 my $fh = pidfile;
3348
3349 my $pid = <$fh>;
3350 kill 9, $pid if $pid > 0;
3351
3352 seek $fh, 0, 0;
3353 print $fh $$;
3354}
3355
3402sub main { 3356sub main {
3357 cf::init_globals; # initialise logging
3358
3359 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3360 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3361 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3362 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3363
3364 cf::init_experience;
3365 cf::init_anim;
3366 cf::init_attackmess;
3367 cf::init_dynamic;
3368
3369 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3370
3403 # we must not ever block the main coroutine 3371 # we must not ever block the main coroutine
3404 local $Coro::idle = sub { 3372 local $Coro::idle = sub {
3405 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3373 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3406 (async { 3374 (async {
3407 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3375 $Coro::current->{desc} = "IDLE BUG HANDLER";
3408 EV::loop EV::LOOP_ONESHOT; 3376 EV::loop EV::LOOP_ONESHOT;
3409 })->prio (Coro::PRIO_MAX); 3377 })->prio (Coro::PRIO_MAX);
3410 }; 3378 };
3411 3379
3412 { 3380 evthread_start IO::AIO::poll_fileno;
3413 my $guard = freeze_mainloop; 3381
3382 cf::sync_job {
3383 reload_resources;
3414 reload_config; 3384 reload_config;
3415 db_init; 3385 db_init;
3386
3387 cf::load_settings;
3388 cf::load_materials;
3389 cf::init_uuid;
3390 cf::init_signals;
3391 cf::init_commands;
3392 cf::init_skills;
3393
3394 cf::init_beforeplay;
3395
3396 atomic;
3397
3416 load_extensions; 3398 load_extensions;
3417 3399
3418 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3400 utime time, time, $RUNTIMEFILE;
3419 evthread_start IO::AIO::poll_fileno; 3401
3402 # no (long-running) fork's whatsoever before this point(!)
3403 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3404
3405 (pop @POST_INIT)->(0) while @POST_INIT;
3420 } 3406 };
3421 3407
3422 EV::loop; 3408 EV::loop;
3423} 3409}
3424 3410
3425############################################################################# 3411#############################################################################
… …
3434 }; 3420 };
3435 } 3421 }
3436} 3422}
3437 3423
3438sub write_runtime_sync { 3424sub write_runtime_sync {
3439 my $runtime = "$LOCALDIR/runtime";
3440
3441 # first touch the runtime file to show we are still running: 3425 # first touch the runtime file to show we are still running:
3442 # the fsync below can take a very very long time. 3426 # the fsync below can take a very very long time.
3443 3427
3444 IO::AIO::aio_utime $runtime, undef, undef; 3428 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3445 3429
3446 my $guard = cf::lock_acquire "write_runtime"; 3430 my $guard = cf::lock_acquire "write_runtime";
3447 3431
3448 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3432 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3449 or return; 3433 or return;
3450 3434
3451 my $value = $cf::RUNTIME + 90 + 10; 3435 my $value = $cf::RUNTIME + 90 + 10;
3452 # 10 is the runtime save interval, for a monotonic clock 3436 # 10 is the runtime save interval, for a monotonic clock
3453 # 60 allows for the watchdog to kill the server. 3437 # 60 allows for the watchdog to kill the server.
… …
3463 aio_utime $fh, undef, undef; 3447 aio_utime $fh, undef, undef;
3464 3448
3465 close $fh 3449 close $fh
3466 or return; 3450 or return;
3467 3451
3468 aio_rename "$runtime~", $runtime 3452 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3469 and return; 3453 and return;
3470 3454
3471 warn "runtime file written.\n"; 3455 warn "runtime file written.\n";
3472 3456
3473 1 3457 1
… …
3485 my $uuid = "$LOCALDIR/uuid"; 3469 my $uuid = "$LOCALDIR/uuid";
3486 3470
3487 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644 3471 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3488 or return; 3472 or return;
3489 3473
3490 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur; 3474 my $value = uuid_seq uuid_cur;
3475
3476 unless ($value) {
3477 warn "cowardly refusing to write zero uuid value!\n";
3478 return;
3479 }
3480
3481 my $value = uuid_str $value + $uuid_skip;
3491 $uuid_skip = 0; 3482 $uuid_skip = 0;
3492 3483
3493 (aio_write $fh, 0, (length $value), $value, 0) <= 0 3484 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3494 and return; 3485 and return;
3495 3486
… …
3517} 3508}
3518 3509
3519sub emergency_save() { 3510sub emergency_save() {
3520 my $freeze_guard = cf::freeze_mainloop; 3511 my $freeze_guard = cf::freeze_mainloop;
3521 3512
3522 warn "enter emergency perl save\n"; 3513 warn "emergency_perl_save: enter\n";
3523 3514
3524 cf::sync_job { 3515 cf::sync_job {
3516 # this is a trade-off: we want to be very quick here, so
3517 # save all maps without fsync, and later call a global sync
3518 # (which in turn might be very very slow)
3519 local $USE_FSYNC = 0;
3520
3525 # use a peculiar iteration method to avoid tripping on perl 3521 # use a peculiar iteration method to avoid tripping on perl
3526 # refcount bugs in for. also avoids problems with players 3522 # refcount bugs in for. also avoids problems with players
3527 # and maps saved/destroyed asynchronously. 3523 # and maps saved/destroyed asynchronously.
3528 warn "begin emergency player save\n"; 3524 warn "emergency_perl_save: begin player save\n";
3529 for my $login (keys %cf::PLAYER) { 3525 for my $login (keys %cf::PLAYER) {
3530 my $pl = $cf::PLAYER{$login} or next; 3526 my $pl = $cf::PLAYER{$login} or next;
3531 $pl->valid or next; 3527 $pl->valid or next;
3532 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3528 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3533 $pl->save; 3529 $pl->save;
3534 } 3530 }
3535 warn "end emergency player save\n"; 3531 warn "emergency_perl_save: end player save\n";
3536 3532
3537 warn "begin emergency map save\n"; 3533 warn "emergency_perl_save: begin map save\n";
3538 for my $path (keys %cf::MAP) { 3534 for my $path (keys %cf::MAP) {
3539 my $map = $cf::MAP{$path} or next; 3535 my $map = $cf::MAP{$path} or next;
3540 $map->valid or next; 3536 $map->valid or next;
3541 $map->save; 3537 $map->save;
3542 } 3538 }
3543 warn "end emergency map save\n"; 3539 warn "emergency_perl_save: end map save\n";
3544 3540
3545 warn "begin emergency database checkpoint\n"; 3541 warn "emergency_perl_save: begin database checkpoint\n";
3546 BDB::db_env_txn_checkpoint $DB_ENV; 3542 BDB::db_env_txn_checkpoint $DB_ENV;
3547 warn "end emergency database checkpoint\n"; 3543 warn "emergency_perl_save: end database checkpoint\n";
3548 3544
3549 warn "begin write uuid\n"; 3545 warn "emergency_perl_save: begin write uuid\n";
3550 write_uuid_sync 1; 3546 write_uuid_sync 1;
3551 warn "end write uuid\n"; 3547 warn "emergency_perl_save: end write uuid\n";
3552 }; 3548 };
3553 3549
3550 warn "emergency_perl_save: starting sync()\n";
3551 IO::AIO::aio_sync sub {
3552 warn "emergency_perl_save: finished sync()\n";
3553 };
3554
3554 warn "leave emergency perl save\n"; 3555 warn "emergency_perl_save: leave\n";
3555} 3556}
3556 3557
3557sub post_cleanup { 3558sub post_cleanup {
3558 my ($make_core) = @_; 3559 my ($make_core) = @_;
3559 3560
3560 warn Carp::longmess "post_cleanup backtrace" 3561 warn Carp::longmess "post_cleanup backtrace"
3561 if $make_core; 3562 if $make_core;
3563
3564 my $fh = pidfile;
3565 unlink $PIDFILE if <$fh> == $$;
3566}
3567
3568# a safer delete_package, copied from Symbol
3569sub clear_package($) {
3570 my $pkg = shift;
3571
3572 # expand to full symbol table name if needed
3573 unless ($pkg =~ /^main::.*::$/) {
3574 $pkg = "main$pkg" if $pkg =~ /^::/;
3575 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3576 $pkg .= '::' unless $pkg =~ /::$/;
3577 }
3578
3579 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3580 my $stem_symtab = *{$stem}{HASH};
3581
3582 defined $stem_symtab and exists $stem_symtab->{$leaf}
3583 or return;
3584
3585 # clear all symbols
3586 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3587 for my $name (keys %$leaf_symtab) {
3588 _gv_clear *{"$pkg$name"};
3589# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3590 }
3591 warn "cleared package $pkg\n";#d#
3562} 3592}
3563 3593
3564sub do_reload_perl() { 3594sub do_reload_perl() {
3565 # can/must only be called in main 3595 # can/must only be called in main
3566 if ($Coro::current != $Coro::main) { 3596 if ($Coro::current != $Coro::main) {
3567 warn "can only reload from main coroutine"; 3597 warn "can only reload from main coroutine";
3568 return; 3598 return;
3569 } 3599 }
3570 3600
3601 return if $RELOAD++;
3602
3603 my $t1 = EV::time;
3604
3605 while ($RELOAD) {
3571 warn "reloading..."; 3606 warn "reloading...";
3572 3607
3573 warn "entering sync_job"; 3608 warn "entering sync_job";
3574 3609
3575 cf::sync_job { 3610 cf::sync_job {
3576 cf::write_runtime_sync; # external watchdog should not bark 3611 cf::write_runtime_sync; # external watchdog should not bark
3577 cf::emergency_save; 3612 cf::emergency_save;
3578 cf::write_runtime_sync; # external watchdog should not bark 3613 cf::write_runtime_sync; # external watchdog should not bark
3579 3614
3580 warn "syncing database to disk"; 3615 warn "syncing database to disk";
3581 BDB::db_env_txn_checkpoint $DB_ENV; 3616 BDB::db_env_txn_checkpoint $DB_ENV;
3582 3617
3583 # if anything goes wrong in here, we should simply crash as we already saved 3618 # if anything goes wrong in here, we should simply crash as we already saved
3584 3619
3585 warn "flushing outstanding aio requests"; 3620 warn "flushing outstanding aio requests";
3586 for (;;) {
3587 BDB::flush;
3588 IO::AIO::flush;
3589 Coro::cede_notself;
3590 last unless IO::AIO::nreqs || BDB::nreqs; 3621 while (IO::AIO::nreqs || BDB::nreqs) {
3591 warn "iterate..."; 3622 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3592 }
3593
3594 ++$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 } 3623 }
3617 3624
3618 warn "... nuking $pkg"; 3625 warn "cancelling all extension coros";
3619 Symbol::delete_package $pkg; 3626 $_->cancel for values %EXT_CORO;
3620 } 3627 %EXT_CORO = ();
3621 3628
3622 warn "unloading all perl modules loaded from $LIBDIR"; 3629 warn "removing commands";
3623 while (my ($k, $v) = each %INC) { 3630 %COMMAND = ();
3624 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3625 3631
3632 warn "removing ext/exti commands";
3633 %EXTCMD = ();
3634 %EXTICMD = ();
3635
3636 warn "unloading/nuking all extensions";
3637 for my $pkg (@EXTS) {
3626 warn "... unloading $k"; 3638 warn "... unloading $pkg";
3627 delete $INC{$k};
3628 3639
3629 $k =~ s/\.pm$//;
3630 $k =~ s/\//::/g;
3631
3632 if (my $cb = $k->can ("unload_module")) { 3640 if (my $cb = $pkg->can ("unload")) {
3641 eval {
3633 $cb->(); 3642 $cb->($pkg);
3643 1
3644 } or warn "$pkg unloaded, but with errors: $@";
3645 }
3646
3647 warn "... clearing $pkg";
3648 clear_package $pkg;
3634 } 3649 }
3635 3650
3636 Symbol::delete_package $k; 3651 warn "unloading all perl modules loaded from $LIBDIR";
3652 while (my ($k, $v) = each %INC) {
3653 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3654
3655 warn "... unloading $k";
3656 delete $INC{$k};
3657
3658 $k =~ s/\.pm$//;
3659 $k =~ s/\//::/g;
3660
3661 if (my $cb = $k->can ("unload_module")) {
3662 $cb->();
3663 }
3664
3665 clear_package $k;
3637 } 3666 }
3638 3667
3639 warn "getting rid of safe::, as good as possible"; 3668 warn "getting rid of safe::, as good as possible";
3640 Symbol::delete_package "safe::$_" 3669 clear_package "safe::$_"
3641 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3670 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3642 3671
3643 warn "unloading cf.pm \"a bit\""; 3672 warn "unloading cf.pm \"a bit\"";
3644 delete $INC{"cf.pm"}; 3673 delete $INC{"cf.pm"};
3645 delete $INC{"cf/pod.pm"}; 3674 delete $INC{"cf/pod.pm"};
3646 3675
3647 # don't, removes xs symbols, too, 3676 # don't, removes xs symbols, too,
3648 # and global variables created in xs 3677 # and global variables created in xs
3649 #Symbol::delete_package __PACKAGE__; 3678 #clear_package __PACKAGE__;
3650 3679
3651 warn "unload completed, starting to reload now"; 3680 warn "unload completed, starting to reload now";
3652 3681
3653 warn "reloading cf.pm"; 3682 warn "reloading cf.pm";
3654 require cf; 3683 require cf;
3655 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3684 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3656 3685
3657 warn "loading config and database again"; 3686 warn "loading config and database again";
3658 cf::reload_config; 3687 cf::reload_config;
3659 3688
3660 warn "loading extensions"; 3689 warn "loading extensions";
3661 cf::load_extensions; 3690 cf::load_extensions;
3662 3691
3692 if ($REATTACH_ON_RELOAD) {
3663 warn "reattaching attachments to objects/players"; 3693 warn "reattaching attachments to objects/players";
3664 _global_reattach; # objects, sockets 3694 _global_reattach; # objects, sockets
3665 warn "reattaching attachments to maps"; 3695 warn "reattaching attachments to maps";
3666 reattach $_ for values %MAP; 3696 reattach $_ for values %MAP;
3667 warn "reattaching attachments to players"; 3697 warn "reattaching attachments to players";
3668 reattach $_ for values %PLAYER; 3698 reattach $_ for values %PLAYER;
3699 }
3669 3700
3701 warn "running post_init jobs";
3702 (pop @POST_INIT)->(1) while @POST_INIT;
3703
3670 warn "leaving sync_job"; 3704 warn "leaving sync_job";
3671 3705
3672 1 3706 1
3673 } or do { 3707 } or do {
3674 warn $@; 3708 warn $@;
3675 cf::cleanup "error while reloading, exiting."; 3709 cf::cleanup "error while reloading, exiting.";
3676 }; 3710 };
3677 3711
3678 warn "reloaded"; 3712 warn "reloaded";
3713 --$RELOAD;
3714 }
3715
3716 $t1 = EV::time - $t1;
3717 warn "reload completed in ${t1}s\n";
3679}; 3718};
3680 3719
3681our $RELOAD_WATCHER; # used only during reload 3720our $RELOAD_WATCHER; # used only during reload
3682 3721
3683sub reload_perl() { 3722sub reload_perl() {
3684 # doing reload synchronously and two reloads happen back-to-back, 3723 # doing reload synchronously and two reloads happen back-to-back,
3685 # coro crashes during coro_state_free->destroy here. 3724 # coro crashes during coro_state_free->destroy here.
3686 3725
3726 $RELOAD_WATCHER ||= cf::async {
3727 Coro::AIO::aio_wait cache_extensions;
3728
3687 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3729 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3688 do_reload_perl; 3730 do_reload_perl;
3689 undef $RELOAD_WATCHER; 3731 undef $RELOAD_WATCHER;
3732 };
3690 }; 3733 };
3691} 3734}
3692 3735
3693register_command "reload" => sub { 3736register_command "reload" => sub {
3694 my ($who, $arg) = @_; 3737 my ($who, $arg) = @_;
… …
3765{ 3808{
3766 # configure BDB 3809 # configure BDB
3767 3810
3768 BDB::min_parallel 8; 3811 BDB::min_parallel 8;
3769 BDB::max_poll_reqs $TICK * 0.1; 3812 BDB::max_poll_reqs $TICK * 0.1;
3770 $Coro::BDB::WATCHER->priority (1); 3813 $AnyEvent::BDB::WATCHER->priority (1);
3771 3814
3772 unless ($DB_ENV) { 3815 unless ($DB_ENV) {
3773 $DB_ENV = BDB::db_env_create; 3816 $DB_ENV = BDB::db_env_create;
3774 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3817 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3775 | BDB::LOG_AUTOREMOVE, 1); 3818 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3819 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3776 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT); 3820 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3777 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT); 3821 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3778 3822
3779 cf::sync_job { 3823 cf::sync_job {
3780 eval { 3824 eval {
… …
3806{ 3850{
3807 # configure IO::AIO 3851 # configure IO::AIO
3808 3852
3809 IO::AIO::min_parallel 8; 3853 IO::AIO::min_parallel 8;
3810 IO::AIO::max_poll_time $TICK * 0.1; 3854 IO::AIO::max_poll_time $TICK * 0.1;
3811 $Coro::AIO::WATCHER->priority (1); 3855 undef $AnyEvent::AIO::WATCHER;
3812} 3856}
3813 3857
3814my $_log_backtrace; 3858my $_log_backtrace;
3815 3859
3816sub _log_backtrace { 3860sub _log_backtrace {
… …
3819 $msg =~ s/\n//; 3863 $msg =~ s/\n//;
3820 3864
3821 # limit the # of concurrent backtraces 3865 # limit the # of concurrent backtraces
3822 if ($_log_backtrace < 2) { 3866 if ($_log_backtrace < 2) {
3823 ++$_log_backtrace; 3867 ++$_log_backtrace;
3868 my $perl_bt = Carp::longmess $msg;
3824 async { 3869 async {
3825 $Coro::current->{desc} = "abt $msg"; 3870 $Coro::current->{desc} = "abt $msg";
3826 3871
3827 my @bt = fork_call { 3872 my @bt = fork_call {
3828 @addr = map { sprintf "%x", $_ } @addr; 3873 @addr = map { sprintf "%x", $_ } @addr;
… …
3839 } 3884 }
3840 3885
3841 @funcs 3886 @funcs
3842 }; 3887 };
3843 3888
3844 LOG llevInfo, "[ABT] $msg\n"; 3889 LOG llevInfo, "[ABT] $perl_bt\n";
3890 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3845 LOG llevInfo, "[ABT] $_\n" for @bt; 3891 LOG llevInfo, "[ABT] $_\n" for @bt;
3846 --$_log_backtrace; 3892 --$_log_backtrace;
3847 }; 3893 };
3848 } else { 3894 } else {
3849 LOG llevInfo, "[ABT] $msg\n"; 3895 LOG llevInfo, "[ABT] $msg\n";

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