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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.434 by root, Thu May 29 03:27:37 2008 UTC vs.
Revision 1.476 by root, Wed Sep 2 16:54:20 2009 UTC

19# The authors can be reached via e-mail to <support@deliantra.net> 19# The authors can be reached via e-mail to <support@deliantra.net>
20# 20#
21 21
22package cf; 22package cf;
23 23
24use 5.10.0;
24use utf8; 25use utf8;
25use strict; 26use strict qw(vars subs);
26 27
27use Symbol; 28use Symbol;
28use List::Util; 29use List::Util;
29use Socket; 30use Socket;
30use EV; 31use EV;
31use Opcode; 32use Opcode;
32use Safe; 33use Safe;
33use Safe::Hole; 34use Safe::Hole;
34use Storable (); 35use Storable ();
35 36
37use Guard ();
36use Coro (); 38use Coro ();
37use Coro::State; 39use Coro::State;
38use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
39use Coro::AnyEvent; 42use Coro::AnyEvent;
40use Coro::Timer; 43use Coro::Timer;
41use Coro::Signal; 44use Coro::Signal;
42use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
43use Coro::AnyEvent; 47use Coro::AnyEvent;
44use Coro::AIO; 48use Coro::AIO;
45use Coro::BDB; 49use Coro::BDB 1.6;
46use Coro::Storable; 50use Coro::Storable;
47use Coro::Util (); 51use Coro::Util ();
48 52
49use JSON::XS 2.01 (); 53use JSON::XS 2.01 ();
50use BDB (); 54use BDB ();
57use Compress::LZF; 61use Compress::LZF;
58use Digest::MD5 (); 62use Digest::MD5 ();
59 63
60AnyEvent::detect; 64AnyEvent::detect;
61 65
62IO::AIO::max_poll_reqs 1;#d#
63
64# configure various modules to our taste 66# configure various modules to our taste
65# 67#
66$Storable::canonical = 1; # reduce rsync transfers 68$Storable::canonical = 1; # reduce rsync transfers
67Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 69Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
70
71$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
68Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69 76
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 77# strictly for debugging
78$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
71 79
72sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 80sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
73 81
74our %COMMAND = (); 82our %COMMAND = ();
75our %COMMAND_TIME = (); 83our %COMMAND_TIME = ();
78our %EXTCMD = (); 86our %EXTCMD = ();
79our %EXTICMD = (); 87our %EXTICMD = ();
80our %EXT_CORO = (); # coroutines bound to extensions 88our %EXT_CORO = (); # coroutines bound to extensions
81our %EXT_MAP = (); # pluggable maps 89our %EXT_MAP = (); # pluggable maps
82 90
83our $RELOAD; # number of reloads so far 91our $RELOAD; # number of reloads so far, non-zero while in reload
84our @EVENT; 92our @EVENT;
85 93
86our $CONFDIR = confdir; 94our $CONFDIR = confdir;
87our $DATADIR = datadir; 95our $DATADIR = datadir;
88our $LIBDIR = "$DATADIR/ext"; 96our $LIBDIR = "$DATADIR/ext";
89our $PODDIR = "$DATADIR/pod"; 97our $PODDIR = "$DATADIR/pod";
90our $MAPDIR = "$DATADIR/" . mapdir; 98our $MAPDIR = "$DATADIR/" . mapdir;
91our $LOCALDIR = localdir; 99our $LOCALDIR = localdir;
92our $TMPDIR = "$LOCALDIR/" . tmpdir; 100our $TMPDIR = "$LOCALDIR/" . tmpdir;
93our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 101our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94our $PLAYERDIR = "$LOCALDIR/" . playerdir; 102our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95our $RANDOMDIR = "$LOCALDIR/random"; 103our $RANDOMDIR = "$LOCALDIR/random";
96our $BDBDIR = "$LOCALDIR/db"; 104our $BDBDIR = "$LOCALDIR/db";
105our $PIDFILE = "$LOCALDIR/pid";
106our $RUNTIMEFILE = "$LOCALDIR/runtime";
107
97our %RESOURCE; 108our %RESOURCE;
98 109
99our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 110our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
100our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 111our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
101our $NEXT_TICK; 112our $NEXT_TICK;
102our $USE_FSYNC = 1; # use fsync to write maps - default off 113our $USE_FSYNC = 1; # use fsync to write maps - default on
103 114
104our $BDB_DEADLOCK_WATCHER; 115our $BDB_DEADLOCK_WATCHER;
105our $BDB_CHECKPOINT_WATCHER; 116our $BDB_CHECKPOINT_WATCHER;
106our $BDB_TRICKLE_WATCHER; 117our $BDB_TRICKLE_WATCHER;
107our $DB_ENV; 118our $DB_ENV;
108 119
120our @EXTRA_MODULES = qw(pod mapscript);
121
109our %CFG; 122our %CFG;
110 123
111our $UPTIME; $UPTIME ||= time; 124our $UPTIME; $UPTIME ||= time;
112our $RUNTIME; 125our $RUNTIME;
113our $NOW; 126our $NOW;
122our $LOAD; # a number between 0 (idle) and 1 (too many objects) 135our $LOAD; # a number between 0 (idle) and 1 (too many objects)
123our $LOADAVG; # same thing, but with alpha-smoothing 136our $LOADAVG; # same thing, but with alpha-smoothing
124our $JITTER; # average jitter 137our $JITTER; # average jitter
125our $TICK_START; # for load detecting purposes 138our $TICK_START; # for load detecting purposes
126 139
140our @POST_INIT;
141
142our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
143our $REALLY_UNLOOP; # never set to true, please :)
144
127binmode STDOUT; 145binmode STDOUT;
128binmode STDERR; 146binmode STDERR;
129 147
130# read virtual server time, if available 148# read virtual server time, if available
131unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 149unless ($RUNTIME || !-e $RUNTIMEFILE) {
132 open my $fh, "<", "$LOCALDIR/runtime" 150 open my $fh, "<", $RUNTIMEFILE
133 or die "unable to read runtime file: $!"; 151 or die "unable to read $RUNTIMEFILE file: $!";
134 $RUNTIME = <$fh> + 0.; 152 $RUNTIME = <$fh> + 0.;
135} 153}
154
155eval "sub TICK() { $TICK } 1" or die;
136 156
137mkdir $_ 157mkdir $_
138 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 158 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
139 159
140our $EMERGENCY_POSITION; 160our $EMERGENCY_POSITION;
245for my $pkg (qw( 265for my $pkg (qw(
246 cf::global cf::attachable 266 cf::global cf::attachable
247 cf::object cf::object::player 267 cf::object cf::object::player
248 cf::client cf::player 268 cf::client cf::player
249 cf::arch cf::living 269 cf::arch cf::living
270 cf::map cf::mapspace
250 cf::map cf::party cf::region 271 cf::party cf::region
251)) { 272)) {
252 no strict 'refs';
253 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 273 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
254} 274}
255 275
256$EV::DIED = sub { 276$EV::DIED = sub {
257 warn "error in event callback: @_"; 277 warn "error in event callback: @_";
299our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 319our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
300 320
301sub encode_json($) { $json_coder->encode ($_[0]) } 321sub encode_json($) { $json_coder->encode ($_[0]) }
302sub decode_json($) { $json_coder->decode ($_[0]) } 322sub decode_json($) { $json_coder->decode ($_[0]) }
303 323
324=item cf::post_init { BLOCK }
325
326Execute the given codeblock, I<after> all extensions have been (re-)loaded,
327but I<before> the server starts ticking again.
328
329The cdoeblock will have a single boolean argument to indicate whether this
330is a reload or not.
331
332=cut
333
334sub post_init(&) {
335 push @POST_INIT, shift;
336}
337
304=item cf::lock_wait $string 338=item cf::lock_wait $string
305 339
306Wait until the given lock is available. See cf::lock_acquire. 340Wait until the given lock is available. See cf::lock_acquire.
307 341
308=item my $lock = cf::lock_acquire $string 342=item my $lock = cf::lock_acquire $string
309 343
310Wait until the given lock is available and then acquires it and returns 344Wait until the given lock is available and then acquires it and returns
311a Coro::guard object. If the guard object gets destroyed (goes out of scope, 345a L<Guard> object. If the guard object gets destroyed (goes out of scope,
312for example when the coroutine gets canceled), the lock is automatically 346for example when the coroutine gets canceled), the lock is automatically
313returned. 347returned.
314 348
315Locks are *not* recursive, locking from the same coro twice results in a 349Locks are *not* recursive, locking from the same coro twice results in a
316deadlocked coro. 350deadlocked coro.
322 356
323Return true if the lock is currently active, i.e. somebody has locked it. 357Return true if the lock is currently active, i.e. somebody has locked it.
324 358
325=cut 359=cut
326 360
327our %LOCK; 361our $LOCKS = new Coro::SemaphoreSet;
328our %LOCKER;#d#
329 362
330sub lock_wait($) { 363sub lock_wait($) {
331 my ($key) = @_; 364 $LOCKS->wait ($_[0]);
332
333 if ($LOCKER{$key} == $Coro::current) {#d#
334 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335 return;#d#
336 }#d#
337
338 # wait for lock, if any
339 while ($LOCK{$key}) {
340 push @{ $LOCK{$key} }, $Coro::current;
341 Coro::schedule;
342 }
343} 365}
344 366
345sub lock_acquire($) { 367sub lock_acquire($) {
346 my ($key) = @_; 368 $LOCKS->guard ($_[0])
347
348 # wait, to be sure we are not locked
349 lock_wait $key;
350
351 $LOCK{$key} = [];
352 $LOCKER{$key} = $Coro::current;#d#
353
354 Coro::guard {
355 delete $LOCKER{$key};#d#
356 # wake up all waiters, to be on the safe side
357 $_->ready for @{ delete $LOCK{$key} };
358 }
359} 369}
360 370
361sub lock_active($) { 371sub lock_active($) {
362 my ($key) = @_; 372 $LOCKS->count ($_[0]) < 1
363
364 ! ! $LOCK{$key}
365} 373}
366 374
367sub freeze_mainloop { 375sub freeze_mainloop {
368 tick_inhibit_inc; 376 tick_inhibit_inc;
369 377
370 Coro::guard \&tick_inhibit_dec; 378 &Guard::guard (\&tick_inhibit_dec);
371} 379}
372 380
373=item cf::periodic $interval, $cb 381=item cf::periodic $interval, $cb
374 382
375Like EV::periodic, but randomly selects a starting point so that the actions 383Like EV::periodic, but randomly selects a starting point so that the actions
727 735
728############################################################################# 736#############################################################################
729 737
730=head2 ATTACHABLE OBJECTS 738=head2 ATTACHABLE OBJECTS
731 739
732Many objects in crossfire are so-called attachable objects. That means you can 740Many objects in deliantra are so-called attachable objects. That means you can
733attach callbacks/event handlers (a collection of which is called an "attachment") 741attach callbacks/event handlers (a collection of which is called an "attachment")
734to it. All such attachable objects support the following methods. 742to it. All such attachable objects support the following methods.
735 743
736In the following description, CLASS can be any of C<global>, C<object> 744In the following description, CLASS can be any of C<global>, C<object>
737C<player>, C<client> or C<map> (i.e. the attachable objects in 745C<player>, C<client> or C<map> (i.e. the attachable objects in
787=item cf::CLASS::attachment $name, ... 795=item cf::CLASS::attachment $name, ...
788 796
789Register an attachment by C<$name> through which attachable objects of the 797Register an attachment by C<$name> through which attachable objects of the
790given CLASS can refer to this attachment. 798given CLASS can refer to this attachment.
791 799
792Some classes such as crossfire maps and objects can specify attachments 800Some classes such as deliantra maps and objects can specify attachments
793that are attached at load/instantiate time, thus the need for a name. 801that are attached at load/instantiate time, thus the need for a name.
794 802
795These calls expect any number of the following handler/hook descriptions: 803These calls expect any number of the following handler/hook descriptions:
796 804
797=over 4 805=over 4
1088 1096
1089sub reattach { 1097sub reattach {
1090 # basically do the same as instantiate, without calling instantiate 1098 # basically do the same as instantiate, without calling instantiate
1091 my ($obj) = @_; 1099 my ($obj) = @_;
1092 1100
1101 # no longer needed after getting rid of delete_package?
1093 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1102 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1094 1103
1095 my $registry = $obj->registry; 1104 my $registry = $obj->registry;
1096 1105
1097 @$registry = (); 1106 @$registry = ();
1098 1107
1146 $decname, length $$rdata, scalar @$objs; 1155 $decname, length $$rdata, scalar @$objs;
1147 1156
1148 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1157 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1149 aio_chmod $fh, SAVE_MODE; 1158 aio_chmod $fh, SAVE_MODE;
1150 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1159 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1151 aio_fsync $fh if $cf::USE_FSYNC; 1160 if ($cf::USE_FSYNC) {
1161 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1162 aio_fsync $fh;
1163 }
1152 aio_close $fh; 1164 aio_close $fh;
1153 1165
1154 if (@$objs) { 1166 if (@$objs) {
1155 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1167 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1156 aio_chmod $fh, SAVE_MODE; 1168 aio_chmod $fh, SAVE_MODE;
1157 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs }; 1169 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1158 aio_write $fh, 0, (length $data), $data, 0; 1170 aio_write $fh, 0, (length $data), $data, 0;
1159 aio_fsync $fh if $cf::USE_FSYNC; 1171 if ($cf::USE_FSYNC) {
1172 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1173 aio_fsync $fh;
1174 }
1160 aio_close $fh; 1175 aio_close $fh;
1161 aio_rename "$filename.pst~", "$filename.pst"; 1176 aio_rename "$filename.pst~", "$filename.pst";
1162 } 1177 }
1163 } else { 1178 } else {
1164 aio_unlink "$filename.pst"; 1179 aio_unlink "$filename.pst";
1165 } 1180 }
1166 1181
1167 aio_rename "$filename~", $filename; 1182 aio_rename "$filename~", $filename;
1183
1184 $filename =~ s%/[^/]+$%%;
1185 aio_pathsync $filename if $cf::USE_FSYNC;
1168 } else { 1186 } else {
1169 warn "FATAL: $filename~: $!\n"; 1187 warn "unable to save objects: $filename~: $!\n";
1170 } 1188 }
1171 } else { 1189 } else {
1172 aio_unlink $filename; 1190 aio_unlink $filename;
1173 aio_unlink "$filename.pst"; 1191 aio_unlink "$filename.pst";
1174 } 1192 }
1265 my ($name, $cb) = @_; 1283 my ($name, $cb) = @_;
1266 1284
1267 $EXTICMD{$name} = $cb; 1285 $EXTICMD{$name} = $cb;
1268} 1286}
1269 1287
1288use File::Glob ();
1289
1270cf::player->attach ( 1290cf::player->attach (
1271 on_command => sub { 1291 on_command => sub {
1272 my ($pl, $name, $params) = @_; 1292 my ($pl, $name, $params) = @_;
1273 1293
1274 my $cb = $COMMAND{$name} 1294 my $cb = $COMMAND{$name}
1306 1326
1307 cf::override; 1327 cf::override;
1308 }, 1328 },
1309); 1329);
1310 1330
1331# "readahead" all extensions
1332sub cache_extensions {
1333 my $grp = IO::AIO::aio_group;
1334
1335 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1336 for (grep /\.ext$/, @{$_[0]}) {
1337 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1338 }
1339 };
1340
1341 $grp
1342}
1343
1311sub load_extensions { 1344sub load_extensions {
1312 cf::sync_job { 1345 cf::sync_job {
1313 my %todo; 1346 my %todo;
1314 1347
1315 for my $path (<$LIBDIR/*.ext>) { 1348 for my $path (<$LIBDIR/*.ext>) {
1334 1367
1335 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1368 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1336 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1369 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1337 1370
1338 $ext{source} = 1371 $ext{source} =
1339 "package $pkg; use strict; use utf8;\n" 1372 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1340 . "#line 1 \"$path\"\n{\n" 1373 . "#line 1 \"$path\"\n{\n"
1341 . $source 1374 . $source
1342 . "\n};\n1"; 1375 . "\n};\n1";
1343 1376
1344 $todo{$base} = \%ext; 1377 $todo{$base} = \%ext;
1384 1417
1385=back 1418=back
1386 1419
1387=head2 CORE EXTENSIONS 1420=head2 CORE EXTENSIONS
1388 1421
1389Functions and methods that extend core crossfire objects. 1422Functions and methods that extend core deliantra objects.
1390 1423
1391=cut 1424=cut
1392 1425
1393package cf::player; 1426package cf::player;
1394 1427
1437 1470
1438sub exists($) { 1471sub exists($) {
1439 my ($login) = @_; 1472 my ($login) = @_;
1440 1473
1441 $cf::PLAYER{$login} 1474 $cf::PLAYER{$login}
1442 or cf::sync_job { !aio_stat path $login } 1475 or !aio_stat path $login
1443} 1476}
1444 1477
1445sub find($) { 1478sub find($) {
1446 return $cf::PLAYER{$_[0]} || do { 1479 return $cf::PLAYER{$_[0]} || do {
1447 my $login = $_[0]; 1480 my $login = $_[0];
1522 my ($pl) = @_; 1555 my ($pl) = @_;
1523 1556
1524 my $name = $pl->ob->name; 1557 my $name = $pl->ob->name;
1525 1558
1526 $pl->{deny_save} = 1; 1559 $pl->{deny_save} = 1;
1527 $pl->password ("*"); # this should lock out the player until we nuked the dir 1560 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1528 1561
1529 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1562 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1530 $pl->deactivate; 1563 $pl->deactivate;
1531 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy; 1564 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1532 $pl->ob->check_score; 1565 $pl->ob->check_score;
1618 } 1651 }
1619 1652
1620 \@paths 1653 \@paths
1621} 1654}
1622 1655
1623=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1656=item $protocol_xml = $player->expand_cfpod ($cfpod)
1624 1657
1625Expand crossfire pod fragments into protocol xml. 1658Expand deliantra pod fragments into protocol xml.
1626
1627=cut
1628
1629use re 'eval';
1630
1631my $group;
1632my $interior; $interior = qr{
1633 # match a pod interior sequence sans C<< >>
1634 (?:
1635 \ (.*?)\ (?{ $group = $^N })
1636 | < (??{$interior}) >
1637 )
1638}x;
1639
1640sub expand_cfpod {
1641 my ($self, $pod) = @_;
1642
1643 my $xml;
1644
1645 while () {
1646 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1647 $group = $1;
1648
1649 $group =~ s/&/&amp;/g;
1650 $group =~ s/</&lt;/g;
1651
1652 $xml .= $group;
1653 } elsif ($pod =~ m%\G
1654 ([BCGHITU])
1655 <
1656 (?:
1657 ([^<>]*) (?{ $group = $^N })
1658 | < $interior >
1659 )
1660 >
1661 %gcsx
1662 ) {
1663 my ($code, $data) = ($1, $group);
1664
1665 if ($code eq "B") {
1666 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1667 } elsif ($code eq "I") {
1668 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1669 } elsif ($code eq "U") {
1670 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1671 } elsif ($code eq "C") {
1672 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1673 } elsif ($code eq "T") {
1674 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1675 } elsif ($code eq "G") {
1676 my ($male, $female) = split /\|/, $data;
1677 $data = $self->gender ? $female : $male;
1678 $xml .= expand_cfpod ($self, $data);
1679 } elsif ($code eq "H") {
1680 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1681 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1682 "")
1683 [$self->{hintmode}];
1684 } else {
1685 $xml .= "error processing '$code($data)' directive";
1686 }
1687 } else {
1688 if ($pod =~ /\G(.+)/) {
1689 warn "parse error while expanding $pod (at $1)";
1690 }
1691 last;
1692 }
1693 }
1694
1695 for ($xml) {
1696 # create single paragraphs (very hackish)
1697 s/(?<=\S)\n(?=\w)/ /g;
1698
1699 # compress some whitespace
1700 s/\s+\n/\n/g; # ws line-ends
1701 s/\n\n+/\n/g; # double lines
1702 s/^\n+//; # beginning lines
1703 s/\n+$//; # ending lines
1704 }
1705
1706 $xml
1707}
1708
1709no re 'eval';
1710
1711sub hintmode {
1712 $_[0]{hintmode} = $_[1] if @_ > 1;
1713 $_[0]{hintmode}
1714}
1715 1659
1716=item $player->ext_reply ($msgid, @msg) 1660=item $player->ext_reply ($msgid, @msg)
1717 1661
1718Sends an ext reply to the player. 1662Sends an ext reply to the player.
1719 1663
1932 1876
1933 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go; 1877 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1934 "$UNIQUEDIR/$path" 1878 "$UNIQUEDIR/$path"
1935} 1879}
1936 1880
1937# and all this just because we cannot iterate over
1938# all maps in C++...
1939sub change_all_map_light {
1940 my ($change) = @_;
1941
1942 $_->change_map_light ($change)
1943 for grep $_->outdoor, values %cf::MAP;
1944}
1945
1946sub decay_objects { 1881sub decay_objects {
1947 my ($self) = @_; 1882 my ($self) = @_;
1948 1883
1949 return if $self->{deny_reset}; 1884 return if $self->{deny_reset};
1950 1885
2032sub find { 1967sub find {
2033 my ($path, $origin) = @_; 1968 my ($path, $origin) = @_;
2034 1969
2035 $path = normalise $path, $origin && $origin->path; 1970 $path = normalise $path, $origin && $origin->path;
2036 1971
2037 cf::lock_wait "map_data:$path";#d#remove 1972 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2038 cf::lock_wait "map_find:$path"; 1973 my $guard2 = cf::lock_acquire "map_find:$path";
2039 1974
2040 $cf::MAP{$path} || do { 1975 $cf::MAP{$path} || do {
2041 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2042 my $guard2 = cf::lock_acquire "map_find:$path";
2043
2044 my $map = new_from_path cf::map $path 1976 my $map = new_from_path cf::map $path
2045 or return; 1977 or return;
2046 1978
2047 $map->{last_save} = $cf::RUNTIME; 1979 $map->{last_save} = $cf::RUNTIME;
2048 1980
2088 my $f = new_from_file cf::object::thawer $self->{load_path}; 2020 my $f = new_from_file cf::object::thawer $self->{load_path};
2089 $f->skip_block; 2021 $f->skip_block;
2090 $self->_load_objects ($f) 2022 $self->_load_objects ($f)
2091 or return; 2023 or return;
2092 2024
2093 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2025 $self->post_load_original
2094 if delete $self->{load_original}; 2026 if delete $self->{load_original};
2095 2027
2096 if (my $uniq = $self->uniq_path) { 2028 if (my $uniq = $self->uniq_path) {
2097 utf8::encode $uniq; 2029 utf8::encode $uniq;
2098 unless (aio_stat $uniq) { 2030 unless (aio_stat $uniq) {
2115 2047
2116 unless ($self->{deny_activate}) { 2048 unless ($self->{deny_activate}) {
2117 $self->decay_objects; 2049 $self->decay_objects;
2118 $self->fix_auto_apply; 2050 $self->fix_auto_apply;
2119 $self->update_buttons; 2051 $self->update_buttons;
2120 cf::cede_to_tick;
2121 $self->set_darkness_map;
2122 cf::cede_to_tick; 2052 cf::cede_to_tick;
2123 $self->activate; 2053 $self->activate;
2124 } 2054 }
2125 2055
2126 $self->{last_save} = $cf::RUNTIME; 2056 $self->{last_save} = $cf::RUNTIME;
2468 2398
2469our $SAY_CHANNEL = { 2399our $SAY_CHANNEL = {
2470 id => "say", 2400 id => "say",
2471 title => "Map", 2401 title => "Map",
2472 reply => "say ", 2402 reply => "say ",
2473 tooltip => "Things said to and replied from npcs near you and other players on the same map only.", 2403 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2474}; 2404};
2475 2405
2476our $CHAT_CHANNEL = { 2406our $CHAT_CHANNEL = {
2477 id => "chat", 2407 id => "chat",
2478 title => "Chat", 2408 title => "Chat",
2533 2463
2534=item $player_object->enter_link 2464=item $player_object->enter_link
2535 2465
2536Freezes the player and moves him/her to a special map (C<{link}>). 2466Freezes the player and moves him/her to a special map (C<{link}>).
2537 2467
2538The player should be reasonably safe there for short amounts of time. You 2468The player should be reasonably safe there for short amounts of time (e.g.
2539I<MUST> call C<leave_link> as soon as possible, though. 2469for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2470though, as the palyer cannot control the character while it is on the link
2471map.
2540 2472
2541Will never block. 2473Will never block.
2542 2474
2543=item $player_object->leave_link ($map, $x, $y) 2475=item $player_object->leave_link ($map, $x, $y)
2544 2476
2602 2534
2603 $map->load; 2535 $map->load;
2604 $map->load_neighbours; 2536 $map->load_neighbours;
2605 2537
2606 return unless $self->contr->active; 2538 return unless $self->contr->active;
2607 $self->activate_recursive;
2608 2539
2609 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2540 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2610 $self->enter_map ($map, $x, $y); 2541 $self->enter_map ($map, $x, $y);
2542
2543 # only activate afterwards, to support waiting in hooks
2544 $self->activate_recursive;
2611} 2545}
2612 2546
2613=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2547=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2614 2548
2615Moves the player to the given map-path and coordinates by first freezing 2549Moves the player to the given map-path and coordinates by first freezing
2616her, loading and preparing them map, calling the provided $check callback 2550her, loading and preparing them map, calling the provided $check callback
2617that has to return the map if sucecssful, and then unfreezes the player on 2551that has to return the map if sucecssful, and then unfreezes the player on
2618the new (success) or old (failed) map position. In either case, $done will 2552the new (success) or old (failed) map position. In either case, $done will
2619be called at the end of this process. 2553be called at the end of this process.
2554
2555Note that $check will be called with a potentially non-loaded map, so if
2556it needs a loaded map it has to call C<< ->load >>.
2620 2557
2621=cut 2558=cut
2622 2559
2623our $GOTOGEN; 2560our $GOTOGEN;
2624 2561
2771 $self->contr->savebed ($map, $x, $y) 2708 $self->contr->savebed ($map, $x, $y)
2772 if $exit->flag (cf::FLAG_DAMNED); 2709 if $exit->flag (cf::FLAG_DAMNED);
2773 2710
2774 1 2711 1
2775 }) { 2712 }) {
2776 $self->message ("Something went wrong deep within the crossfire server. " 2713 $self->message ("Something went wrong deep within the deliantra server. "
2777 . "I'll try to bring you back to the map you were before. " 2714 . "I'll try to bring you back to the map you were before. "
2778 . "Please report this to the dungeon master!", 2715 . "Please report this to the dungeon master!",
2779 cf::NDI_UNIQUE | cf::NDI_RED); 2716 cf::NDI_UNIQUE | cf::NDI_RED);
2780 2717
2781 warn "ERROR in enter_exit: $@"; 2718 warn "ERROR in enter_exit: $@";
2847 id => "infobox", 2784 id => "infobox",
2848 title => "Body Parts", 2785 title => "Body Parts",
2849 reply => undef, 2786 reply => undef,
2850 tooltip => "Shows which body parts you posess and are available", 2787 tooltip => "Shows which body parts you posess and are available",
2851 }, 2788 },
2789 "c/statistics" => {
2790 id => "infobox",
2791 title => "Statistics",
2792 reply => undef,
2793 tooltip => "Shows your primary statistics",
2794 },
2795 "c/skills" => {
2796 id => "infobox",
2797 title => "Skills",
2798 reply => undef,
2799 tooltip => "Shows your experience per skill and item power",
2800 },
2801 "c/shopitems" => {
2802 id => "infobox",
2803 title => "Shop Items",
2804 reply => undef,
2805 tooltip => "Shows the items currently for sale in this shop",
2806 },
2807 "c/resistances" => {
2808 id => "infobox",
2809 title => "Resistances",
2810 reply => undef,
2811 tooltip => "Shows your resistances",
2812 },
2813 "c/pets" => {
2814 id => "infobox",
2815 title => "Pets",
2816 reply => undef,
2817 tooltip => "Shows information abotu your pets/a specific pet",
2818 },
2819 "c/perceiveself" => {
2820 id => "infobox",
2821 title => "Perceive Self",
2822 reply => undef,
2823 tooltip => "You gained detailed knowledge about yourself",
2824 },
2852 "c/uptime" => { 2825 "c/uptime" => {
2853 id => "infobox", 2826 id => "infobox",
2854 title => "Uptime", 2827 title => "Uptime",
2855 reply => undef, 2828 reply => undef,
2856 tooltip => "How long the server has been running since last restart", 2829 tooltip => "How long the server has been running since last restart",
2865 id => "party", 2838 id => "party",
2866 title => "Party", 2839 title => "Party",
2867 reply => "gsay ", 2840 reply => "gsay ",
2868 tooltip => "Messages and chat related to your party", 2841 tooltip => "Messages and chat related to your party",
2869 }, 2842 },
2843 "c/death" => {
2844 id => "death",
2845 title => "Death",
2846 reply => undef,
2847 tooltip => "Reason for and more info about your most recent death",
2848 },
2849 "c/say" => $SAY_CHANNEL,
2850 "c/chat" => $CHAT_CHANNEL,
2870); 2851);
2871 2852
2872sub cf::client::send_msg { 2853sub cf::client::send_msg {
2873 my ($self, $channel, $msg, $color, @extra) = @_; 2854 my ($self, $channel, $msg, $color, @extra) = @_;
2874 2855
2875 $msg = $self->pl->expand_cfpod ($msg); 2856 $msg = $self->pl->expand_cfpod ($msg)
2857 unless $color & cf::NDI_VERBATIM;
2876 2858
2877 $color &= cf::NDI_CLIENT_MASK; # just in case... 2859 $color &= cf::NDI_CLIENT_MASK; # just in case...
2878 2860
2879 # check predefined channels, for the benefit of C 2861 # check predefined channels, for the benefit of C
2880 if ($CHANNEL{$channel}) { 2862 if ($CHANNEL{$channel}) {
2881 $channel = $CHANNEL{$channel}; 2863 $channel = $CHANNEL{$channel};
2882 2864
2883 $self->ext_msg (channel_info => $channel) 2865 $self->ext_msg (channel_info => $channel);
2884 if $self->can_msg;
2885
2886 $channel = $channel->{id}; 2866 $channel = $channel->{id};
2887 2867
2888 } elsif (ref $channel) { 2868 } elsif (ref $channel) {
2889 # send meta info to client, if not yet sent 2869 # send meta info to client, if not yet sent
2890 unless (exists $self->{channel}{$channel->{id}}) { 2870 unless (exists $self->{channel}{$channel->{id}}) {
2891 $self->{channel}{$channel->{id}} = $channel; 2871 $self->{channel}{$channel->{id}} = $channel;
2892 $self->ext_msg (channel_info => $channel) 2872 $self->ext_msg (channel_info => $channel);
2893 if $self->can_msg;
2894 } 2873 }
2895 2874
2896 $channel = $channel->{id}; 2875 $channel = $channel->{id};
2897 } 2876 }
2898 2877
2899 return unless @extra || length $msg; 2878 return unless @extra || length $msg;
2900 2879
2901 if ($self->can_msg) {
2902 # default colour, mask it out 2880 # default colour, mask it out
2903 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2881 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2904 if $color & cf::NDI_DEF; 2882 if $color & cf::NDI_DEF;
2905 2883
2906 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2884 my $pkt = "msg "
2885 . $self->{json_coder}->encode (
2907 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2886 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2908 } else { 2887 );
2909 if ($color >= 0) {
2910 # replace some tags by gcfclient-compatible ones
2911 for ($msg) {
2912 1 while
2913 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2914 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2915 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2916 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2917 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2918 }
2919 2888
2920 $color &= cf::NDI_COLOR_MASK; 2889 # try lzf for large packets
2890 $pkt = "lzf " . Compress::LZF::compress $pkt
2891 if 1024 <= length $pkt and $self->{can_lzf};
2921 2892
2922 utf8::encode $msg; 2893 # split very large packets
2923 2894 if (8192 < length $pkt and $self->{can_lzf}) {
2924 if (0 && $msg =~ /\[/) { 2895 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2925 # COMMAND/INFO 2896 $pkt = "frag";
2926 $self->send_packet ("drawextinfo $color 10 8 $msg")
2927 } else {
2928 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2929 $self->send_packet ("drawinfo $color $msg")
2930 }
2931 }
2932 } 2897 }
2898
2899 $self->send_packet ($pkt);
2933} 2900}
2934 2901
2935=item $client->ext_msg ($type, @msg) 2902=item $client->ext_msg ($type, @msg)
2936 2903
2937Sends an ext event to the client. 2904Sends an ext event to the client.
3112The following functions and methods are available within a safe environment: 3079The following functions and methods are available within a safe environment:
3113 3080
3114 cf::object 3081 cf::object
3115 contr pay_amount pay_player map x y force_find force_add destroy 3082 contr pay_amount pay_player map x y force_find force_add destroy
3116 insert remove name archname title slaying race decrease split 3083 insert remove name archname title slaying race decrease split
3084 value
3117 3085
3118 cf::object::player 3086 cf::object::player
3119 player 3087 player
3120 3088
3121 cf::player 3089 cf::player
3127=cut 3095=cut
3128 3096
3129for ( 3097for (
3130 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3098 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3131 insert remove inv nrof name archname title slaying race 3099 insert remove inv nrof name archname title slaying race
3132 decrease split destroy)], 3100 decrease split destroy change_exp value msg lore send_msg)],
3133 ["cf::object::player" => qw(player)], 3101 ["cf::object::player" => qw(player)],
3134 ["cf::player" => qw(peaceful)], 3102 ["cf::player" => qw(peaceful send_msg)],
3135 ["cf::map" => qw(trigger)], 3103 ["cf::map" => qw(trigger)],
3136) { 3104) {
3137 no strict 'refs'; 3105 no strict 'refs';
3138 my ($pkg, @funs) = @$_; 3106 my ($pkg, @funs) = @$_;
3139 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3107 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3156 my ($code, %vars) = @_; 3124 my ($code, %vars) = @_;
3157 3125
3158 my $qcode = $code; 3126 my $qcode = $code;
3159 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3127 $qcode =~ s/"/‟/g; # not allowed in #line filenames
3160 $qcode =~ s/\n/\\n/g; 3128 $qcode =~ s/\n/\\n/g;
3129
3130 %vars = (_dummy => 0) unless %vars;
3161 3131
3162 local $_; 3132 local $_;
3163 local @safe::cf::_safe_eval_args = values %vars; 3133 local @safe::cf::_safe_eval_args = values %vars;
3164 3134
3165 my $eval = 3135 my $eval =
3395 reload_treasures; 3365 reload_treasures;
3396 3366
3397 warn "finished reloading resource files\n"; 3367 warn "finished reloading resource files\n";
3398} 3368}
3399 3369
3400sub init {
3401 my $guard = freeze_mainloop;
3402
3403 reload_resources;
3404}
3405
3406sub reload_config { 3370sub reload_config {
3407 open my $fh, "<:utf8", "$CONFDIR/config" 3371 open my $fh, "<:utf8", "$CONFDIR/config"
3408 or return; 3372 or return;
3409 3373
3410 local $/; 3374 local $/;
3422 }; 3386 };
3423 warn $@ if $@; 3387 warn $@ if $@;
3424 } 3388 }
3425} 3389}
3426 3390
3391sub pidfile() {
3392 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3393 or die "$PIDFILE: $!";
3394 flock $fh, &Fcntl::LOCK_EX
3395 or die "$PIDFILE: flock: $!";
3396 $fh
3397}
3398
3399# make sure only one server instance is running at any one time
3400sub atomic {
3401 my $fh = pidfile;
3402
3403 my $pid = <$fh>;
3404 kill 9, $pid if $pid > 0;
3405
3406 seek $fh, 0, 0;
3407 print $fh $$;
3408}
3409
3410sub main_loop {
3411 warn "EV::loop starting\n";
3412 if (1) {
3413 EV::loop;
3414 }
3415 warn "EV::loop returned\n";
3416 goto &main_loop unless $REALLY_UNLOOP;
3417}
3418
3427sub main { 3419sub main {
3420 cf::init_globals; # initialise logging
3421
3422 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3423 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3424 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3425 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3426
3427 cf::init_experience;
3428 cf::init_anim;
3429 cf::init_attackmess;
3430 cf::init_dynamic;
3431
3432 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3433
3428 # we must not ever block the main coroutine 3434 # we must not ever block the main coroutine
3429 local $Coro::idle = sub { 3435 local $Coro::idle = sub {
3430 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3436 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3431 (async { 3437 (async {
3432 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3438 $Coro::current->{desc} = "IDLE BUG HANDLER";
3433 EV::loop EV::LOOP_ONESHOT; 3439 EV::loop EV::LOOP_ONESHOT;
3434 })->prio (Coro::PRIO_MAX); 3440 })->prio (Coro::PRIO_MAX);
3435 }; 3441 };
3436 3442
3437 { 3443 evthread_start IO::AIO::poll_fileno;
3438 my $guard = freeze_mainloop; 3444
3445 cf::sync_job {
3446 reload_resources;
3439 reload_config; 3447 reload_config;
3440 db_init; 3448 db_init;
3449
3450 cf::load_settings;
3451 cf::load_materials;
3452 cf::init_uuid;
3453 cf::init_signals;
3454 cf::init_commands;
3455 cf::init_skills;
3456
3457 cf::init_beforeplay;
3458
3459 atomic;
3460
3441 load_extensions; 3461 load_extensions;
3442 3462
3443 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3463 utime time, time, $RUNTIMEFILE;
3464
3465 # no (long-running) fork's whatsoever before this point(!)
3466 use POSIX ();
3467 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3468
3469 (pop @POST_INIT)->(0) while @POST_INIT;
3444 } 3470 };
3445 3471
3446 EV::loop; 3472 main_loop;
3447} 3473}
3448 3474
3449############################################################################# 3475#############################################################################
3450# initialisation and cleanup 3476# initialisation and cleanup
3451 3477
3458 }; 3484 };
3459 } 3485 }
3460} 3486}
3461 3487
3462sub write_runtime_sync { 3488sub write_runtime_sync {
3463 my $runtime = "$LOCALDIR/runtime";
3464
3465 # first touch the runtime file to show we are still running: 3489 # first touch the runtime file to show we are still running:
3466 # the fsync below can take a very very long time. 3490 # the fsync below can take a very very long time.
3467 3491
3468 IO::AIO::aio_utime $runtime, undef, undef; 3492 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3469 3493
3470 my $guard = cf::lock_acquire "write_runtime"; 3494 my $guard = cf::lock_acquire "write_runtime";
3471 3495
3472 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3496 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3473 or return; 3497 or return;
3474 3498
3475 my $value = $cf::RUNTIME + 90 + 10; 3499 my $value = $cf::RUNTIME + 90 + 10;
3476 # 10 is the runtime save interval, for a monotonic clock 3500 # 10 is the runtime save interval, for a monotonic clock
3477 # 60 allows for the watchdog to kill the server. 3501 # 60 allows for the watchdog to kill the server.
3487 aio_utime $fh, undef, undef; 3511 aio_utime $fh, undef, undef;
3488 3512
3489 close $fh 3513 close $fh
3490 or return; 3514 or return;
3491 3515
3492 aio_rename "$runtime~", $runtime 3516 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3493 and return; 3517 and return;
3494 3518
3495 warn "runtime file written.\n"; 3519 warn "runtime file written.\n";
3496 3520
3497 1 3521 1
3509 my $uuid = "$LOCALDIR/uuid"; 3533 my $uuid = "$LOCALDIR/uuid";
3510 3534
3511 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644 3535 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3512 or return; 3536 or return;
3513 3537
3514 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur; 3538 my $value = uuid_seq uuid_cur;
3539
3540 unless ($value) {
3541 warn "cowardly refusing to write zero uuid value!\n";
3542 return;
3543 }
3544
3545 my $value = uuid_str $value + $uuid_skip;
3515 $uuid_skip = 0; 3546 $uuid_skip = 0;
3516 3547
3517 (aio_write $fh, 0, (length $value), $value, 0) <= 0 3548 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3518 and return; 3549 and return;
3519 3550
3541} 3572}
3542 3573
3543sub emergency_save() { 3574sub emergency_save() {
3544 my $freeze_guard = cf::freeze_mainloop; 3575 my $freeze_guard = cf::freeze_mainloop;
3545 3576
3546 warn "enter emergency perl save\n"; 3577 warn "emergency_perl_save: enter\n";
3547 3578
3548 cf::sync_job { 3579 cf::sync_job {
3580 # this is a trade-off: we want to be very quick here, so
3581 # save all maps without fsync, and later call a global sync
3582 # (which in turn might be very very slow)
3583 local $USE_FSYNC = 0;
3584
3549 # use a peculiar iteration method to avoid tripping on perl 3585 # use a peculiar iteration method to avoid tripping on perl
3550 # refcount bugs in for. also avoids problems with players 3586 # refcount bugs in for. also avoids problems with players
3551 # and maps saved/destroyed asynchronously. 3587 # and maps saved/destroyed asynchronously.
3552 warn "begin emergency player save\n"; 3588 warn "emergency_perl_save: begin player save\n";
3553 for my $login (keys %cf::PLAYER) { 3589 for my $login (keys %cf::PLAYER) {
3554 my $pl = $cf::PLAYER{$login} or next; 3590 my $pl = $cf::PLAYER{$login} or next;
3555 $pl->valid or next; 3591 $pl->valid or next;
3556 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3592 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3557 $pl->save; 3593 $pl->save;
3558 } 3594 }
3559 warn "end emergency player save\n"; 3595 warn "emergency_perl_save: end player save\n";
3560 3596
3561 warn "begin emergency map save\n"; 3597 warn "emergency_perl_save: begin map save\n";
3562 for my $path (keys %cf::MAP) { 3598 for my $path (keys %cf::MAP) {
3563 my $map = $cf::MAP{$path} or next; 3599 my $map = $cf::MAP{$path} or next;
3564 $map->valid or next; 3600 $map->valid or next;
3565 $map->save; 3601 $map->save;
3566 } 3602 }
3567 warn "end emergency map save\n"; 3603 warn "emergency_perl_save: end map save\n";
3568 3604
3569 warn "begin emergency database checkpoint\n"; 3605 warn "emergency_perl_save: begin database checkpoint\n";
3570 BDB::db_env_txn_checkpoint $DB_ENV; 3606 BDB::db_env_txn_checkpoint $DB_ENV;
3571 warn "end emergency database checkpoint\n"; 3607 warn "emergency_perl_save: end database checkpoint\n";
3572 3608
3573 warn "begin write uuid\n"; 3609 warn "emergency_perl_save: begin write uuid\n";
3574 write_uuid_sync 1; 3610 write_uuid_sync 1;
3575 warn "end write uuid\n"; 3611 warn "emergency_perl_save: end write uuid\n";
3576 }; 3612 };
3577 3613
3614 warn "emergency_perl_save: starting sync()\n";
3615 IO::AIO::aio_sync sub {
3616 warn "emergency_perl_save: finished sync()\n";
3617 };
3618
3578 warn "leave emergency perl save\n"; 3619 warn "emergency_perl_save: leave\n";
3579} 3620}
3580 3621
3581sub post_cleanup { 3622sub post_cleanup {
3582 my ($make_core) = @_; 3623 my ($make_core) = @_;
3583 3624
3584 warn Carp::longmess "post_cleanup backtrace" 3625 warn Carp::longmess "post_cleanup backtrace"
3585 if $make_core; 3626 if $make_core;
3627
3628 my $fh = pidfile;
3629 unlink $PIDFILE if <$fh> == $$;
3630}
3631
3632# a safer delete_package, copied from Symbol
3633sub clear_package($) {
3634 my $pkg = shift;
3635
3636 # expand to full symbol table name if needed
3637 unless ($pkg =~ /^main::.*::$/) {
3638 $pkg = "main$pkg" if $pkg =~ /^::/;
3639 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3640 $pkg .= '::' unless $pkg =~ /::$/;
3641 }
3642
3643 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3644 my $stem_symtab = *{$stem}{HASH};
3645
3646 defined $stem_symtab and exists $stem_symtab->{$leaf}
3647 or return;
3648
3649 # clear all symbols
3650 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3651 for my $name (keys %$leaf_symtab) {
3652 _gv_clear *{"$pkg$name"};
3653# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3654 }
3655 warn "cleared package $pkg\n";#d#
3586} 3656}
3587 3657
3588sub do_reload_perl() { 3658sub do_reload_perl() {
3589 # can/must only be called in main 3659 # can/must only be called in main
3590 if ($Coro::current != $Coro::main) { 3660 if ($Coro::current != $Coro::main) {
3591 warn "can only reload from main coroutine"; 3661 warn "can only reload from main coroutine";
3592 return; 3662 return;
3593 } 3663 }
3594 3664
3665 return if $RELOAD++;
3666
3667 my $t1 = EV::time;
3668
3669 while ($RELOAD) {
3595 warn "reloading..."; 3670 warn "reloading...";
3596 3671
3597 warn "entering sync_job"; 3672 warn "entering sync_job";
3598 3673
3599 cf::sync_job { 3674 cf::sync_job {
3600 cf::write_runtime_sync; # external watchdog should not bark 3675 cf::write_runtime_sync; # external watchdog should not bark
3601 cf::emergency_save; 3676 cf::emergency_save;
3602 cf::write_runtime_sync; # external watchdog should not bark 3677 cf::write_runtime_sync; # external watchdog should not bark
3603 3678
3604 warn "syncing database to disk"; 3679 warn "syncing database to disk";
3605 BDB::db_env_txn_checkpoint $DB_ENV; 3680 BDB::db_env_txn_checkpoint $DB_ENV;
3606 3681
3607 # if anything goes wrong in here, we should simply crash as we already saved 3682 # if anything goes wrong in here, we should simply crash as we already saved
3608 3683
3609 warn "flushing outstanding aio requests"; 3684 warn "flushing outstanding aio requests";
3610 for (;;) {
3611 BDB::flush;
3612 IO::AIO::flush;
3613 Coro::cede_notself;
3614 last unless IO::AIO::nreqs || BDB::nreqs; 3685 while (IO::AIO::nreqs || BDB::nreqs) {
3615 warn "iterate..."; 3686 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3616 }
3617
3618 ++$RELOAD;
3619
3620 warn "cancelling all extension coros";
3621 $_->cancel for values %EXT_CORO;
3622 %EXT_CORO = ();
3623
3624 warn "removing commands";
3625 %COMMAND = ();
3626
3627 warn "removing ext/exti commands";
3628 %EXTCMD = ();
3629 %EXTICMD = ();
3630
3631 warn "unloading/nuking all extensions";
3632 for my $pkg (@EXTS) {
3633 warn "... unloading $pkg";
3634
3635 if (my $cb = $pkg->can ("unload")) {
3636 eval {
3637 $cb->($pkg);
3638 1
3639 } or warn "$pkg unloaded, but with errors: $@";
3640 } 3687 }
3641 3688
3642 warn "... nuking $pkg"; 3689 warn "cancelling all extension coros";
3643 Symbol::delete_package $pkg; 3690 $_->cancel for values %EXT_CORO;
3644 } 3691 %EXT_CORO = ();
3645 3692
3646 warn "unloading all perl modules loaded from $LIBDIR"; 3693 warn "removing commands";
3647 while (my ($k, $v) = each %INC) { 3694 %COMMAND = ();
3648 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3649 3695
3696 warn "removing ext/exti commands";
3697 %EXTCMD = ();
3698 %EXTICMD = ();
3699
3700 warn "unloading/nuking all extensions";
3701 for my $pkg (@EXTS) {
3650 warn "... unloading $k"; 3702 warn "... unloading $pkg";
3651 delete $INC{$k};
3652 3703
3653 $k =~ s/\.pm$//;
3654 $k =~ s/\//::/g;
3655
3656 if (my $cb = $k->can ("unload_module")) { 3704 if (my $cb = $pkg->can ("unload")) {
3705 eval {
3657 $cb->(); 3706 $cb->($pkg);
3707 1
3708 } or warn "$pkg unloaded, but with errors: $@";
3709 }
3710
3711 warn "... clearing $pkg";
3712 clear_package $pkg;
3658 } 3713 }
3659 3714
3660 Symbol::delete_package $k; 3715 warn "unloading all perl modules loaded from $LIBDIR";
3716 while (my ($k, $v) = each %INC) {
3717 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3718
3719 warn "... unloading $k";
3720 delete $INC{$k};
3721
3722 $k =~ s/\.pm$//;
3723 $k =~ s/\//::/g;
3724
3725 if (my $cb = $k->can ("unload_module")) {
3726 $cb->();
3727 }
3728
3729 clear_package $k;
3661 } 3730 }
3662 3731
3663 warn "getting rid of safe::, as good as possible"; 3732 warn "getting rid of safe::, as good as possible";
3664 Symbol::delete_package "safe::$_" 3733 clear_package "safe::$_"
3665 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3734 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3666 3735
3667 warn "unloading cf.pm \"a bit\""; 3736 warn "unloading cf.pm \"a bit\"";
3668 delete $INC{"cf.pm"}; 3737 delete $INC{"cf.pm"};
3669 delete $INC{"cf/pod.pm"}; 3738 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3670 3739
3671 # don't, removes xs symbols, too, 3740 # don't, removes xs symbols, too,
3672 # and global variables created in xs 3741 # and global variables created in xs
3673 #Symbol::delete_package __PACKAGE__; 3742 #clear_package __PACKAGE__;
3674 3743
3675 warn "unload completed, starting to reload now"; 3744 warn "unload completed, starting to reload now";
3676 3745
3677 warn "reloading cf.pm"; 3746 warn "reloading cf.pm";
3678 require cf; 3747 require cf;
3679 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3748 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3680 3749
3681 warn "loading config and database again"; 3750 warn "loading config and database again";
3682 cf::reload_config; 3751 cf::reload_config;
3683 3752
3684 warn "loading extensions"; 3753 warn "loading extensions";
3685 cf::load_extensions; 3754 cf::load_extensions;
3686 3755
3756 if ($REATTACH_ON_RELOAD) {
3687 warn "reattaching attachments to objects/players"; 3757 warn "reattaching attachments to objects/players";
3688 _global_reattach; # objects, sockets 3758 _global_reattach; # objects, sockets
3689 warn "reattaching attachments to maps"; 3759 warn "reattaching attachments to maps";
3690 reattach $_ for values %MAP; 3760 reattach $_ for values %MAP;
3691 warn "reattaching attachments to players"; 3761 warn "reattaching attachments to players";
3692 reattach $_ for values %PLAYER; 3762 reattach $_ for values %PLAYER;
3763 }
3693 3764
3765 warn "running post_init jobs";
3766 (pop @POST_INIT)->(1) while @POST_INIT;
3767
3694 warn "leaving sync_job"; 3768 warn "leaving sync_job";
3695 3769
3696 1 3770 1
3697 } or do { 3771 } or do {
3698 warn $@; 3772 warn $@;
3699 cf::cleanup "error while reloading, exiting."; 3773 cf::cleanup "error while reloading, exiting.";
3700 }; 3774 };
3701 3775
3702 warn "reloaded"; 3776 warn "reloaded";
3777 --$RELOAD;
3778 }
3779
3780 $t1 = EV::time - $t1;
3781 warn "reload completed in ${t1}s\n";
3703}; 3782};
3704 3783
3705our $RELOAD_WATCHER; # used only during reload 3784our $RELOAD_WATCHER; # used only during reload
3706 3785
3707sub reload_perl() { 3786sub reload_perl() {
3708 # doing reload synchronously and two reloads happen back-to-back, 3787 # doing reload synchronously and two reloads happen back-to-back,
3709 # coro crashes during coro_state_free->destroy here. 3788 # coro crashes during coro_state_free->destroy here.
3710 3789
3790 $RELOAD_WATCHER ||= cf::async {
3791 Coro::AIO::aio_wait cache_extensions;
3792
3711 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3793 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3712 do_reload_perl; 3794 do_reload_perl;
3713 undef $RELOAD_WATCHER; 3795 undef $RELOAD_WATCHER;
3796 };
3714 }; 3797 };
3715} 3798}
3716 3799
3717register_command "reload" => sub { 3800register_command "reload" => sub {
3718 my ($who, $arg) = @_; 3801 my ($who, $arg) = @_;
3793 BDB::max_poll_reqs $TICK * 0.1; 3876 BDB::max_poll_reqs $TICK * 0.1;
3794 $AnyEvent::BDB::WATCHER->priority (1); 3877 $AnyEvent::BDB::WATCHER->priority (1);
3795 3878
3796 unless ($DB_ENV) { 3879 unless ($DB_ENV) {
3797 $DB_ENV = BDB::db_env_create; 3880 $DB_ENV = BDB::db_env_create;
3798 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3881 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3799 | BDB::LOG_AUTOREMOVE, 1); 3882 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3883 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3800 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT); 3884 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3801 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT); 3885 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3802 3886
3803 cf::sync_job { 3887 cf::sync_job {
3804 eval { 3888 eval {
3830{ 3914{
3831 # configure IO::AIO 3915 # configure IO::AIO
3832 3916
3833 IO::AIO::min_parallel 8; 3917 IO::AIO::min_parallel 8;
3834 IO::AIO::max_poll_time $TICK * 0.1; 3918 IO::AIO::max_poll_time $TICK * 0.1;
3835 #undef $AnyEvent::AIO::WATCHER; 3919 undef $AnyEvent::AIO::WATCHER;
3836} 3920}
3837 3921
3838my $_log_backtrace; 3922my $_log_backtrace;
3839 3923
3840sub _log_backtrace { 3924sub _log_backtrace {
3843 $msg =~ s/\n//; 3927 $msg =~ s/\n//;
3844 3928
3845 # limit the # of concurrent backtraces 3929 # limit the # of concurrent backtraces
3846 if ($_log_backtrace < 2) { 3930 if ($_log_backtrace < 2) {
3847 ++$_log_backtrace; 3931 ++$_log_backtrace;
3932 my $perl_bt = Carp::longmess $msg;
3848 async { 3933 async {
3849 $Coro::current->{desc} = "abt $msg"; 3934 $Coro::current->{desc} = "abt $msg";
3850 3935
3851 my @bt = fork_call { 3936 my @bt = fork_call {
3852 @addr = map { sprintf "%x", $_ } @addr; 3937 @addr = map { sprintf "%x", $_ } @addr;
3863 } 3948 }
3864 3949
3865 @funcs 3950 @funcs
3866 }; 3951 };
3867 3952
3868 LOG llevInfo, "[ABT] $msg\n"; 3953 LOG llevInfo, "[ABT] $perl_bt\n";
3954 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3869 LOG llevInfo, "[ABT] $_\n" for @bt; 3955 LOG llevInfo, "[ABT] $_\n" for @bt;
3870 --$_log_backtrace; 3956 --$_log_backtrace;
3871 }; 3957 };
3872 } else { 3958 } else {
3873 LOG llevInfo, "[ABT] $msg\n"; 3959 LOG llevInfo, "[ABT] $msg\n";
3874 LOG llevInfo, "[ABT] [suppressed]\n"; 3960 LOG llevInfo, "[ABT] [suppressed]\n";
3875 } 3961 }
3876} 3962}
3877 3963
3878# load additional modules 3964# load additional modules
3879use cf::pod; 3965require "cf/$_.pm" for @EXTRA_MODULES;
3880 3966
3881END { cf::emergency_save } 3967END { cf::emergency_save }
3882 3968
3883evthread_start IO::AIO::poll_fileno;
3884
38851 39691
3886 3970

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines