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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.434 by root, Thu May 29 03:27:37 2008 UTC vs.
Revision 1.475 by root, Tue Jul 21 06:17:00 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;
2539 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2607 $self->activate_recursive; 2540 $self->activate_recursive;
2608 2541
2609 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2542 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2610 $self->enter_map ($map, $x, $y); 2543 $self->enter_map ($map, $x, $y);
2611} 2544}
… …
2615Moves the player to the given map-path and coordinates by first freezing 2548Moves the player to the given map-path and coordinates by first freezing
2616her, loading and preparing them map, calling the provided $check callback 2549her, loading and preparing them map, calling the provided $check callback
2617that has to return the map if sucecssful, and then unfreezes the player on 2550that 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 2551the new (success) or old (failed) map position. In either case, $done will
2619be called at the end of this process. 2552be called at the end of this process.
2553
2554Note that $check will be called with a potentially non-loaded map, so if
2555it needs a loaded map it has to call C<< ->load >>.
2620 2556
2621=cut 2557=cut
2622 2558
2623our $GOTOGEN; 2559our $GOTOGEN;
2624 2560
… …
2771 $self->contr->savebed ($map, $x, $y) 2707 $self->contr->savebed ($map, $x, $y)
2772 if $exit->flag (cf::FLAG_DAMNED); 2708 if $exit->flag (cf::FLAG_DAMNED);
2773 2709
2774 1 2710 1
2775 }) { 2711 }) {
2776 $self->message ("Something went wrong deep within the crossfire server. " 2712 $self->message ("Something went wrong deep within the deliantra server. "
2777 . "I'll try to bring you back to the map you were before. " 2713 . "I'll try to bring you back to the map you were before. "
2778 . "Please report this to the dungeon master!", 2714 . "Please report this to the dungeon master!",
2779 cf::NDI_UNIQUE | cf::NDI_RED); 2715 cf::NDI_UNIQUE | cf::NDI_RED);
2780 2716
2781 warn "ERROR in enter_exit: $@"; 2717 warn "ERROR in enter_exit: $@";
… …
2847 id => "infobox", 2783 id => "infobox",
2848 title => "Body Parts", 2784 title => "Body Parts",
2849 reply => undef, 2785 reply => undef,
2850 tooltip => "Shows which body parts you posess and are available", 2786 tooltip => "Shows which body parts you posess and are available",
2851 }, 2787 },
2788 "c/statistics" => {
2789 id => "infobox",
2790 title => "Statistics",
2791 reply => undef,
2792 tooltip => "Shows your primary statistics",
2793 },
2794 "c/skills" => {
2795 id => "infobox",
2796 title => "Skills",
2797 reply => undef,
2798 tooltip => "Shows your experience per skill and item power",
2799 },
2800 "c/shopitems" => {
2801 id => "infobox",
2802 title => "Shop Items",
2803 reply => undef,
2804 tooltip => "Shows the items currently for sale in this shop",
2805 },
2806 "c/resistances" => {
2807 id => "infobox",
2808 title => "Resistances",
2809 reply => undef,
2810 tooltip => "Shows your resistances",
2811 },
2812 "c/pets" => {
2813 id => "infobox",
2814 title => "Pets",
2815 reply => undef,
2816 tooltip => "Shows information abotu your pets/a specific pet",
2817 },
2818 "c/perceiveself" => {
2819 id => "infobox",
2820 title => "Perceive Self",
2821 reply => undef,
2822 tooltip => "You gained detailed knowledge about yourself",
2823 },
2852 "c/uptime" => { 2824 "c/uptime" => {
2853 id => "infobox", 2825 id => "infobox",
2854 title => "Uptime", 2826 title => "Uptime",
2855 reply => undef, 2827 reply => undef,
2856 tooltip => "How long the server has been running since last restart", 2828 tooltip => "How long the server has been running since last restart",
… …
2865 id => "party", 2837 id => "party",
2866 title => "Party", 2838 title => "Party",
2867 reply => "gsay ", 2839 reply => "gsay ",
2868 tooltip => "Messages and chat related to your party", 2840 tooltip => "Messages and chat related to your party",
2869 }, 2841 },
2842 "c/death" => {
2843 id => "death",
2844 title => "Death",
2845 reply => undef,
2846 tooltip => "Reason for and more info about your most recent death",
2847 },
2848 "c/say" => $SAY_CHANNEL,
2849 "c/chat" => $CHAT_CHANNEL,
2870); 2850);
2871 2851
2872sub cf::client::send_msg { 2852sub cf::client::send_msg {
2873 my ($self, $channel, $msg, $color, @extra) = @_; 2853 my ($self, $channel, $msg, $color, @extra) = @_;
2874 2854
2875 $msg = $self->pl->expand_cfpod ($msg); 2855 $msg = $self->pl->expand_cfpod ($msg)
2856 unless $color & cf::NDI_VERBATIM;
2876 2857
2877 $color &= cf::NDI_CLIENT_MASK; # just in case... 2858 $color &= cf::NDI_CLIENT_MASK; # just in case...
2878 2859
2879 # check predefined channels, for the benefit of C 2860 # check predefined channels, for the benefit of C
2880 if ($CHANNEL{$channel}) { 2861 if ($CHANNEL{$channel}) {
2881 $channel = $CHANNEL{$channel}; 2862 $channel = $CHANNEL{$channel};
2882 2863
2883 $self->ext_msg (channel_info => $channel) 2864 $self->ext_msg (channel_info => $channel);
2884 if $self->can_msg;
2885
2886 $channel = $channel->{id}; 2865 $channel = $channel->{id};
2887 2866
2888 } elsif (ref $channel) { 2867 } elsif (ref $channel) {
2889 # send meta info to client, if not yet sent 2868 # send meta info to client, if not yet sent
2890 unless (exists $self->{channel}{$channel->{id}}) { 2869 unless (exists $self->{channel}{$channel->{id}}) {
2891 $self->{channel}{$channel->{id}} = $channel; 2870 $self->{channel}{$channel->{id}} = $channel;
2892 $self->ext_msg (channel_info => $channel) 2871 $self->ext_msg (channel_info => $channel);
2893 if $self->can_msg;
2894 } 2872 }
2895 2873
2896 $channel = $channel->{id}; 2874 $channel = $channel->{id};
2897 } 2875 }
2898 2876
2899 return unless @extra || length $msg; 2877 return unless @extra || length $msg;
2900 2878
2901 if ($self->can_msg) {
2902 # default colour, mask it out 2879 # default colour, mask it out
2903 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2880 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2904 if $color & cf::NDI_DEF; 2881 if $color & cf::NDI_DEF;
2905 2882
2906 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2883 my $pkt = "msg "
2884 . $self->{json_coder}->encode (
2907 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2885 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2908 } else { 2886 );
2909 if ($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 2887
2920 $color &= cf::NDI_COLOR_MASK; 2888 # try lzf for large packets
2889 $pkt = "lzf " . Compress::LZF::compress $pkt
2890 if 1024 <= length $pkt and $self->{can_lzf};
2921 2891
2922 utf8::encode $msg; 2892 # split very large packets
2923 2893 if (8192 < length $pkt and $self->{can_lzf}) {
2924 if (0 && $msg =~ /\[/) { 2894 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2925 # COMMAND/INFO 2895 $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 } 2896 }
2897
2898 $self->send_packet ($pkt);
2933} 2899}
2934 2900
2935=item $client->ext_msg ($type, @msg) 2901=item $client->ext_msg ($type, @msg)
2936 2902
2937Sends an ext event to the client. 2903Sends an ext event to the client.
… …
3112The following functions and methods are available within a safe environment: 3078The following functions and methods are available within a safe environment:
3113 3079
3114 cf::object 3080 cf::object
3115 contr pay_amount pay_player map x y force_find force_add destroy 3081 contr pay_amount pay_player map x y force_find force_add destroy
3116 insert remove name archname title slaying race decrease split 3082 insert remove name archname title slaying race decrease split
3083 value
3117 3084
3118 cf::object::player 3085 cf::object::player
3119 player 3086 player
3120 3087
3121 cf::player 3088 cf::player
… …
3127=cut 3094=cut
3128 3095
3129for ( 3096for (
3130 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3097 ["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 3098 insert remove inv nrof name archname title slaying race
3132 decrease split destroy)], 3099 decrease split destroy change_exp value msg lore send_msg)],
3133 ["cf::object::player" => qw(player)], 3100 ["cf::object::player" => qw(player)],
3134 ["cf::player" => qw(peaceful)], 3101 ["cf::player" => qw(peaceful send_msg)],
3135 ["cf::map" => qw(trigger)], 3102 ["cf::map" => qw(trigger)],
3136) { 3103) {
3137 no strict 'refs'; 3104 no strict 'refs';
3138 my ($pkg, @funs) = @$_; 3105 my ($pkg, @funs) = @$_;
3139 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3106 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
3156 my ($code, %vars) = @_; 3123 my ($code, %vars) = @_;
3157 3124
3158 my $qcode = $code; 3125 my $qcode = $code;
3159 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3126 $qcode =~ s/"/‟/g; # not allowed in #line filenames
3160 $qcode =~ s/\n/\\n/g; 3127 $qcode =~ s/\n/\\n/g;
3128
3129 %vars = (_dummy => 0) unless %vars;
3161 3130
3162 local $_; 3131 local $_;
3163 local @safe::cf::_safe_eval_args = values %vars; 3132 local @safe::cf::_safe_eval_args = values %vars;
3164 3133
3165 my $eval = 3134 my $eval =
… …
3395 reload_treasures; 3364 reload_treasures;
3396 3365
3397 warn "finished reloading resource files\n"; 3366 warn "finished reloading resource files\n";
3398} 3367}
3399 3368
3400sub init {
3401 my $guard = freeze_mainloop;
3402
3403 reload_resources;
3404}
3405
3406sub reload_config { 3369sub reload_config {
3407 open my $fh, "<:utf8", "$CONFDIR/config" 3370 open my $fh, "<:utf8", "$CONFDIR/config"
3408 or return; 3371 or return;
3409 3372
3410 local $/; 3373 local $/;
… …
3422 }; 3385 };
3423 warn $@ if $@; 3386 warn $@ if $@;
3424 } 3387 }
3425} 3388}
3426 3389
3390sub pidfile() {
3391 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3392 or die "$PIDFILE: $!";
3393 flock $fh, &Fcntl::LOCK_EX
3394 or die "$PIDFILE: flock: $!";
3395 $fh
3396}
3397
3398# make sure only one server instance is running at any one time
3399sub atomic {
3400 my $fh = pidfile;
3401
3402 my $pid = <$fh>;
3403 kill 9, $pid if $pid > 0;
3404
3405 seek $fh, 0, 0;
3406 print $fh $$;
3407}
3408
3409sub main_loop {
3410 warn "EV::loop starting\n";
3411 if (1) {
3412 EV::loop;
3413 }
3414 warn "EV::loop returned\n";
3415 goto &main_loop unless $REALLY_UNLOOP;
3416}
3417
3427sub main { 3418sub main {
3419 cf::init_globals; # initialise logging
3420
3421 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3422 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3423 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3424 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3425
3426 cf::init_experience;
3427 cf::init_anim;
3428 cf::init_attackmess;
3429 cf::init_dynamic;
3430
3431 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3432
3428 # we must not ever block the main coroutine 3433 # we must not ever block the main coroutine
3429 local $Coro::idle = sub { 3434 local $Coro::idle = sub {
3430 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3435 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3431 (async { 3436 (async {
3432 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3437 $Coro::current->{desc} = "IDLE BUG HANDLER";
3433 EV::loop EV::LOOP_ONESHOT; 3438 EV::loop EV::LOOP_ONESHOT;
3434 })->prio (Coro::PRIO_MAX); 3439 })->prio (Coro::PRIO_MAX);
3435 }; 3440 };
3436 3441
3437 { 3442 evthread_start IO::AIO::poll_fileno;
3438 my $guard = freeze_mainloop; 3443
3444 cf::sync_job {
3445 reload_resources;
3439 reload_config; 3446 reload_config;
3440 db_init; 3447 db_init;
3448
3449 cf::load_settings;
3450 cf::load_materials;
3451 cf::init_uuid;
3452 cf::init_signals;
3453 cf::init_commands;
3454 cf::init_skills;
3455
3456 cf::init_beforeplay;
3457
3458 atomic;
3459
3441 load_extensions; 3460 load_extensions;
3442 3461
3443 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3462 utime time, time, $RUNTIMEFILE;
3463
3464 # no (long-running) fork's whatsoever before this point(!)
3465 use POSIX ();
3466 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3467
3468 (pop @POST_INIT)->(0) while @POST_INIT;
3444 } 3469 };
3445 3470
3446 EV::loop; 3471 main_loop;
3447} 3472}
3448 3473
3449############################################################################# 3474#############################################################################
3450# initialisation and cleanup 3475# initialisation and cleanup
3451 3476
… …
3458 }; 3483 };
3459 } 3484 }
3460} 3485}
3461 3486
3462sub write_runtime_sync { 3487sub write_runtime_sync {
3463 my $runtime = "$LOCALDIR/runtime";
3464
3465 # first touch the runtime file to show we are still running: 3488 # first touch the runtime file to show we are still running:
3466 # the fsync below can take a very very long time. 3489 # the fsync below can take a very very long time.
3467 3490
3468 IO::AIO::aio_utime $runtime, undef, undef; 3491 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3469 3492
3470 my $guard = cf::lock_acquire "write_runtime"; 3493 my $guard = cf::lock_acquire "write_runtime";
3471 3494
3472 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3495 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3473 or return; 3496 or return;
3474 3497
3475 my $value = $cf::RUNTIME + 90 + 10; 3498 my $value = $cf::RUNTIME + 90 + 10;
3476 # 10 is the runtime save interval, for a monotonic clock 3499 # 10 is the runtime save interval, for a monotonic clock
3477 # 60 allows for the watchdog to kill the server. 3500 # 60 allows for the watchdog to kill the server.
… …
3487 aio_utime $fh, undef, undef; 3510 aio_utime $fh, undef, undef;
3488 3511
3489 close $fh 3512 close $fh
3490 or return; 3513 or return;
3491 3514
3492 aio_rename "$runtime~", $runtime 3515 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3493 and return; 3516 and return;
3494 3517
3495 warn "runtime file written.\n"; 3518 warn "runtime file written.\n";
3496 3519
3497 1 3520 1
… …
3509 my $uuid = "$LOCALDIR/uuid"; 3532 my $uuid = "$LOCALDIR/uuid";
3510 3533
3511 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644 3534 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3512 or return; 3535 or return;
3513 3536
3514 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur; 3537 my $value = uuid_seq uuid_cur;
3538
3539 unless ($value) {
3540 warn "cowardly refusing to write zero uuid value!\n";
3541 return;
3542 }
3543
3544 my $value = uuid_str $value + $uuid_skip;
3515 $uuid_skip = 0; 3545 $uuid_skip = 0;
3516 3546
3517 (aio_write $fh, 0, (length $value), $value, 0) <= 0 3547 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3518 and return; 3548 and return;
3519 3549
… …
3541} 3571}
3542 3572
3543sub emergency_save() { 3573sub emergency_save() {
3544 my $freeze_guard = cf::freeze_mainloop; 3574 my $freeze_guard = cf::freeze_mainloop;
3545 3575
3546 warn "enter emergency perl save\n"; 3576 warn "emergency_perl_save: enter\n";
3547 3577
3548 cf::sync_job { 3578 cf::sync_job {
3579 # this is a trade-off: we want to be very quick here, so
3580 # save all maps without fsync, and later call a global sync
3581 # (which in turn might be very very slow)
3582 local $USE_FSYNC = 0;
3583
3549 # use a peculiar iteration method to avoid tripping on perl 3584 # use a peculiar iteration method to avoid tripping on perl
3550 # refcount bugs in for. also avoids problems with players 3585 # refcount bugs in for. also avoids problems with players
3551 # and maps saved/destroyed asynchronously. 3586 # and maps saved/destroyed asynchronously.
3552 warn "begin emergency player save\n"; 3587 warn "emergency_perl_save: begin player save\n";
3553 for my $login (keys %cf::PLAYER) { 3588 for my $login (keys %cf::PLAYER) {
3554 my $pl = $cf::PLAYER{$login} or next; 3589 my $pl = $cf::PLAYER{$login} or next;
3555 $pl->valid or next; 3590 $pl->valid or next;
3556 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3591 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3557 $pl->save; 3592 $pl->save;
3558 } 3593 }
3559 warn "end emergency player save\n"; 3594 warn "emergency_perl_save: end player save\n";
3560 3595
3561 warn "begin emergency map save\n"; 3596 warn "emergency_perl_save: begin map save\n";
3562 for my $path (keys %cf::MAP) { 3597 for my $path (keys %cf::MAP) {
3563 my $map = $cf::MAP{$path} or next; 3598 my $map = $cf::MAP{$path} or next;
3564 $map->valid or next; 3599 $map->valid or next;
3565 $map->save; 3600 $map->save;
3566 } 3601 }
3567 warn "end emergency map save\n"; 3602 warn "emergency_perl_save: end map save\n";
3568 3603
3569 warn "begin emergency database checkpoint\n"; 3604 warn "emergency_perl_save: begin database checkpoint\n";
3570 BDB::db_env_txn_checkpoint $DB_ENV; 3605 BDB::db_env_txn_checkpoint $DB_ENV;
3571 warn "end emergency database checkpoint\n"; 3606 warn "emergency_perl_save: end database checkpoint\n";
3572 3607
3573 warn "begin write uuid\n"; 3608 warn "emergency_perl_save: begin write uuid\n";
3574 write_uuid_sync 1; 3609 write_uuid_sync 1;
3575 warn "end write uuid\n"; 3610 warn "emergency_perl_save: end write uuid\n";
3576 }; 3611 };
3577 3612
3613 warn "emergency_perl_save: starting sync()\n";
3614 IO::AIO::aio_sync sub {
3615 warn "emergency_perl_save: finished sync()\n";
3616 };
3617
3578 warn "leave emergency perl save\n"; 3618 warn "emergency_perl_save: leave\n";
3579} 3619}
3580 3620
3581sub post_cleanup { 3621sub post_cleanup {
3582 my ($make_core) = @_; 3622 my ($make_core) = @_;
3583 3623
3584 warn Carp::longmess "post_cleanup backtrace" 3624 warn Carp::longmess "post_cleanup backtrace"
3585 if $make_core; 3625 if $make_core;
3626
3627 my $fh = pidfile;
3628 unlink $PIDFILE if <$fh> == $$;
3629}
3630
3631# a safer delete_package, copied from Symbol
3632sub clear_package($) {
3633 my $pkg = shift;
3634
3635 # expand to full symbol table name if needed
3636 unless ($pkg =~ /^main::.*::$/) {
3637 $pkg = "main$pkg" if $pkg =~ /^::/;
3638 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3639 $pkg .= '::' unless $pkg =~ /::$/;
3640 }
3641
3642 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3643 my $stem_symtab = *{$stem}{HASH};
3644
3645 defined $stem_symtab and exists $stem_symtab->{$leaf}
3646 or return;
3647
3648 # clear all symbols
3649 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3650 for my $name (keys %$leaf_symtab) {
3651 _gv_clear *{"$pkg$name"};
3652# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3653 }
3654 warn "cleared package $pkg\n";#d#
3586} 3655}
3587 3656
3588sub do_reload_perl() { 3657sub do_reload_perl() {
3589 # can/must only be called in main 3658 # can/must only be called in main
3590 if ($Coro::current != $Coro::main) { 3659 if ($Coro::current != $Coro::main) {
3591 warn "can only reload from main coroutine"; 3660 warn "can only reload from main coroutine";
3592 return; 3661 return;
3593 } 3662 }
3594 3663
3664 return if $RELOAD++;
3665
3666 my $t1 = EV::time;
3667
3668 while ($RELOAD) {
3595 warn "reloading..."; 3669 warn "reloading...";
3596 3670
3597 warn "entering sync_job"; 3671 warn "entering sync_job";
3598 3672
3599 cf::sync_job { 3673 cf::sync_job {
3600 cf::write_runtime_sync; # external watchdog should not bark 3674 cf::write_runtime_sync; # external watchdog should not bark
3601 cf::emergency_save; 3675 cf::emergency_save;
3602 cf::write_runtime_sync; # external watchdog should not bark 3676 cf::write_runtime_sync; # external watchdog should not bark
3603 3677
3604 warn "syncing database to disk"; 3678 warn "syncing database to disk";
3605 BDB::db_env_txn_checkpoint $DB_ENV; 3679 BDB::db_env_txn_checkpoint $DB_ENV;
3606 3680
3607 # if anything goes wrong in here, we should simply crash as we already saved 3681 # if anything goes wrong in here, we should simply crash as we already saved
3608 3682
3609 warn "flushing outstanding aio requests"; 3683 warn "flushing outstanding aio requests";
3610 for (;;) {
3611 BDB::flush;
3612 IO::AIO::flush;
3613 Coro::cede_notself;
3614 last unless IO::AIO::nreqs || BDB::nreqs; 3684 while (IO::AIO::nreqs || BDB::nreqs) {
3615 warn "iterate..."; 3685 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3616 }
3617
3618 ++$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 } 3686 }
3641 3687
3642 warn "... nuking $pkg"; 3688 warn "cancelling all extension coros";
3643 Symbol::delete_package $pkg; 3689 $_->cancel for values %EXT_CORO;
3644 } 3690 %EXT_CORO = ();
3645 3691
3646 warn "unloading all perl modules loaded from $LIBDIR"; 3692 warn "removing commands";
3647 while (my ($k, $v) = each %INC) { 3693 %COMMAND = ();
3648 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3649 3694
3695 warn "removing ext/exti commands";
3696 %EXTCMD = ();
3697 %EXTICMD = ();
3698
3699 warn "unloading/nuking all extensions";
3700 for my $pkg (@EXTS) {
3650 warn "... unloading $k"; 3701 warn "... unloading $pkg";
3651 delete $INC{$k};
3652 3702
3653 $k =~ s/\.pm$//;
3654 $k =~ s/\//::/g;
3655
3656 if (my $cb = $k->can ("unload_module")) { 3703 if (my $cb = $pkg->can ("unload")) {
3704 eval {
3657 $cb->(); 3705 $cb->($pkg);
3706 1
3707 } or warn "$pkg unloaded, but with errors: $@";
3708 }
3709
3710 warn "... clearing $pkg";
3711 clear_package $pkg;
3658 } 3712 }
3659 3713
3660 Symbol::delete_package $k; 3714 warn "unloading all perl modules loaded from $LIBDIR";
3715 while (my ($k, $v) = each %INC) {
3716 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3717
3718 warn "... unloading $k";
3719 delete $INC{$k};
3720
3721 $k =~ s/\.pm$//;
3722 $k =~ s/\//::/g;
3723
3724 if (my $cb = $k->can ("unload_module")) {
3725 $cb->();
3726 }
3727
3728 clear_package $k;
3661 } 3729 }
3662 3730
3663 warn "getting rid of safe::, as good as possible"; 3731 warn "getting rid of safe::, as good as possible";
3664 Symbol::delete_package "safe::$_" 3732 clear_package "safe::$_"
3665 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3733 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3666 3734
3667 warn "unloading cf.pm \"a bit\""; 3735 warn "unloading cf.pm \"a bit\"";
3668 delete $INC{"cf.pm"}; 3736 delete $INC{"cf.pm"};
3669 delete $INC{"cf/pod.pm"}; 3737 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3670 3738
3671 # don't, removes xs symbols, too, 3739 # don't, removes xs symbols, too,
3672 # and global variables created in xs 3740 # and global variables created in xs
3673 #Symbol::delete_package __PACKAGE__; 3741 #clear_package __PACKAGE__;
3674 3742
3675 warn "unload completed, starting to reload now"; 3743 warn "unload completed, starting to reload now";
3676 3744
3677 warn "reloading cf.pm"; 3745 warn "reloading cf.pm";
3678 require cf; 3746 require cf;
3679 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3747 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3680 3748
3681 warn "loading config and database again"; 3749 warn "loading config and database again";
3682 cf::reload_config; 3750 cf::reload_config;
3683 3751
3684 warn "loading extensions"; 3752 warn "loading extensions";
3685 cf::load_extensions; 3753 cf::load_extensions;
3686 3754
3755 if ($REATTACH_ON_RELOAD) {
3687 warn "reattaching attachments to objects/players"; 3756 warn "reattaching attachments to objects/players";
3688 _global_reattach; # objects, sockets 3757 _global_reattach; # objects, sockets
3689 warn "reattaching attachments to maps"; 3758 warn "reattaching attachments to maps";
3690 reattach $_ for values %MAP; 3759 reattach $_ for values %MAP;
3691 warn "reattaching attachments to players"; 3760 warn "reattaching attachments to players";
3692 reattach $_ for values %PLAYER; 3761 reattach $_ for values %PLAYER;
3762 }
3693 3763
3764 warn "running post_init jobs";
3765 (pop @POST_INIT)->(1) while @POST_INIT;
3766
3694 warn "leaving sync_job"; 3767 warn "leaving sync_job";
3695 3768
3696 1 3769 1
3697 } or do { 3770 } or do {
3698 warn $@; 3771 warn $@;
3699 cf::cleanup "error while reloading, exiting."; 3772 cf::cleanup "error while reloading, exiting.";
3700 }; 3773 };
3701 3774
3702 warn "reloaded"; 3775 warn "reloaded";
3776 --$RELOAD;
3777 }
3778
3779 $t1 = EV::time - $t1;
3780 warn "reload completed in ${t1}s\n";
3703}; 3781};
3704 3782
3705our $RELOAD_WATCHER; # used only during reload 3783our $RELOAD_WATCHER; # used only during reload
3706 3784
3707sub reload_perl() { 3785sub reload_perl() {
3708 # doing reload synchronously and two reloads happen back-to-back, 3786 # doing reload synchronously and two reloads happen back-to-back,
3709 # coro crashes during coro_state_free->destroy here. 3787 # coro crashes during coro_state_free->destroy here.
3710 3788
3789 $RELOAD_WATCHER ||= cf::async {
3790 Coro::AIO::aio_wait cache_extensions;
3791
3711 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3792 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3712 do_reload_perl; 3793 do_reload_perl;
3713 undef $RELOAD_WATCHER; 3794 undef $RELOAD_WATCHER;
3795 };
3714 }; 3796 };
3715} 3797}
3716 3798
3717register_command "reload" => sub { 3799register_command "reload" => sub {
3718 my ($who, $arg) = @_; 3800 my ($who, $arg) = @_;
… …
3793 BDB::max_poll_reqs $TICK * 0.1; 3875 BDB::max_poll_reqs $TICK * 0.1;
3794 $AnyEvent::BDB::WATCHER->priority (1); 3876 $AnyEvent::BDB::WATCHER->priority (1);
3795 3877
3796 unless ($DB_ENV) { 3878 unless ($DB_ENV) {
3797 $DB_ENV = BDB::db_env_create; 3879 $DB_ENV = BDB::db_env_create;
3798 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3880 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3799 | BDB::LOG_AUTOREMOVE, 1); 3881 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3882 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3800 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT); 3883 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3801 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT); 3884 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3802 3885
3803 cf::sync_job { 3886 cf::sync_job {
3804 eval { 3887 eval {
… …
3830{ 3913{
3831 # configure IO::AIO 3914 # configure IO::AIO
3832 3915
3833 IO::AIO::min_parallel 8; 3916 IO::AIO::min_parallel 8;
3834 IO::AIO::max_poll_time $TICK * 0.1; 3917 IO::AIO::max_poll_time $TICK * 0.1;
3835 #undef $AnyEvent::AIO::WATCHER; 3918 undef $AnyEvent::AIO::WATCHER;
3836} 3919}
3837 3920
3838my $_log_backtrace; 3921my $_log_backtrace;
3839 3922
3840sub _log_backtrace { 3923sub _log_backtrace {
… …
3843 $msg =~ s/\n//; 3926 $msg =~ s/\n//;
3844 3927
3845 # limit the # of concurrent backtraces 3928 # limit the # of concurrent backtraces
3846 if ($_log_backtrace < 2) { 3929 if ($_log_backtrace < 2) {
3847 ++$_log_backtrace; 3930 ++$_log_backtrace;
3931 my $perl_bt = Carp::longmess $msg;
3848 async { 3932 async {
3849 $Coro::current->{desc} = "abt $msg"; 3933 $Coro::current->{desc} = "abt $msg";
3850 3934
3851 my @bt = fork_call { 3935 my @bt = fork_call {
3852 @addr = map { sprintf "%x", $_ } @addr; 3936 @addr = map { sprintf "%x", $_ } @addr;
… …
3863 } 3947 }
3864 3948
3865 @funcs 3949 @funcs
3866 }; 3950 };
3867 3951
3868 LOG llevInfo, "[ABT] $msg\n"; 3952 LOG llevInfo, "[ABT] $perl_bt\n";
3953 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3869 LOG llevInfo, "[ABT] $_\n" for @bt; 3954 LOG llevInfo, "[ABT] $_\n" for @bt;
3870 --$_log_backtrace; 3955 --$_log_backtrace;
3871 }; 3956 };
3872 } else { 3957 } else {
3873 LOG llevInfo, "[ABT] $msg\n"; 3958 LOG llevInfo, "[ABT] $msg\n";
3874 LOG llevInfo, "[ABT] [suppressed]\n"; 3959 LOG llevInfo, "[ABT] [suppressed]\n";
3875 } 3960 }
3876} 3961}
3877 3962
3878# load additional modules 3963# load additional modules
3879use cf::pod; 3964require "cf/$_.pm" for @EXTRA_MODULES;
3880 3965
3881END { cf::emergency_save } 3966END { cf::emergency_save }
3882 3967
3883evthread_start IO::AIO::poll_fileno;
3884
38851 39681
3886 3969

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