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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.446 by root, Tue Sep 16 16:03:02 2008 UTC vs.
Revision 1.472 by root, Sat Jun 6 21:43:13 2009 UTC

21 21
22package cf; 22package cf;
23 23
24use 5.10.0; 24use 5.10.0;
25use utf8; 25use utf8;
26use strict "vars", "subs"; 26use strict qw(vars subs);
27 27
28use Symbol; 28use Symbol;
29use List::Util; 29use List::Util;
30use Socket; 30use Socket;
31use EV; 31use EV;
32use Opcode; 32use Opcode;
33use Safe; 33use Safe;
34use Safe::Hole; 34use Safe::Hole;
35use Storable (); 35use Storable ();
36 36
37use Guard ();
37use Coro (); 38use Coro ();
38use Coro::State; 39use Coro::State;
39use Coro::Handle; 40use Coro::Handle;
40use Coro::EV; 41use Coro::EV;
41use Coro::AnyEvent; 42use Coro::AnyEvent;
42use Coro::Timer; 43use Coro::Timer;
43use Coro::Signal; 44use Coro::Signal;
44use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
45use Coro::AnyEvent; 47use Coro::AnyEvent;
46use Coro::AIO; 48use Coro::AIO;
47use Coro::BDB 1.6; 49use Coro::BDB 1.6;
48use Coro::Storable; 50use Coro::Storable;
49use Coro::Util (); 51use Coro::Util ();
63 65
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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
68Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
71 76
72sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 77sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
73 78
74our %COMMAND = (); 79our %COMMAND = ();
75our %COMMAND_TIME = (); 80our %COMMAND_TIME = ();
78our %EXTCMD = (); 83our %EXTCMD = ();
79our %EXTICMD = (); 84our %EXTICMD = ();
80our %EXT_CORO = (); # coroutines bound to extensions 85our %EXT_CORO = (); # coroutines bound to extensions
81our %EXT_MAP = (); # pluggable maps 86our %EXT_MAP = (); # pluggable maps
82 87
83our $RELOAD; # number of reloads so far 88our $RELOAD; # number of reloads so far, non-zero while in reload
84our @EVENT; 89our @EVENT;
85 90
86our $CONFDIR = confdir; 91our $CONFDIR = confdir;
87our $DATADIR = datadir; 92our $DATADIR = datadir;
88our $LIBDIR = "$DATADIR/ext"; 93our $LIBDIR = "$DATADIR/ext";
100our %RESOURCE; 105our %RESOURCE;
101 106
102our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 107our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
103our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 108our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
104our $NEXT_TICK; 109our $NEXT_TICK;
105our $USE_FSYNC = 1; # use fsync to write maps - default off 110our $USE_FSYNC = 1; # use fsync to write maps - default on
106 111
107our $BDB_DEADLOCK_WATCHER; 112our $BDB_DEADLOCK_WATCHER;
108our $BDB_CHECKPOINT_WATCHER; 113our $BDB_CHECKPOINT_WATCHER;
109our $BDB_TRICKLE_WATCHER; 114our $BDB_TRICKLE_WATCHER;
110our $DB_ENV; 115our $DB_ENV;
111 116
117our @EXTRA_MODULES = qw(pod mapscript);
118
112our %CFG; 119our %CFG;
113 120
114our $UPTIME; $UPTIME ||= time; 121our $UPTIME; $UPTIME ||= time;
115our $RUNTIME; 122our $RUNTIME;
116our $NOW; 123our $NOW;
124 131
125our $LOAD; # a number between 0 (idle) and 1 (too many objects) 132our $LOAD; # a number between 0 (idle) and 1 (too many objects)
126our $LOADAVG; # same thing, but with alpha-smoothing 133our $LOADAVG; # same thing, but with alpha-smoothing
127our $JITTER; # average jitter 134our $JITTER; # average jitter
128our $TICK_START; # for load detecting purposes 135our $TICK_START; # for load detecting purposes
136
137our @POST_INIT;
138
139our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
129 140
130binmode STDOUT; 141binmode STDOUT;
131binmode STDERR; 142binmode STDERR;
132 143
133# read virtual server time, if available 144# read virtual server time, if available
134unless ($RUNTIME || !-e $RUNTIMEFILE) { 145unless ($RUNTIME || !-e $RUNTIMEFILE) {
135 open my $fh, "<", $RUNTIMEFILE 146 open my $fh, "<", $RUNTIMEFILE
136 or die "unable to read $RUNTIMEFILE file: $!"; 147 or die "unable to read $RUNTIMEFILE file: $!";
137 $RUNTIME = <$fh> + 0.; 148 $RUNTIME = <$fh> + 0.;
138} 149}
150
151eval "sub TICK() { $TICK } 1" or die;
139 152
140mkdir $_ 153mkdir $_
141 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 154 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
142 155
143our $EMERGENCY_POSITION; 156our $EMERGENCY_POSITION;
302our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 315our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
303 316
304sub encode_json($) { $json_coder->encode ($_[0]) } 317sub encode_json($) { $json_coder->encode ($_[0]) }
305sub decode_json($) { $json_coder->decode ($_[0]) } 318sub decode_json($) { $json_coder->decode ($_[0]) }
306 319
320=item cf::post_init { BLOCK }
321
322Execute the given codeblock, I<after> all extensions have been (re-)loaded,
323but I<before> the server starts ticking again.
324
325The cdoeblock will have a single boolean argument to indicate whether this
326is a reload or not.
327
328=cut
329
330sub post_init(&) {
331 push @POST_INIT, shift;
332}
333
307=item cf::lock_wait $string 334=item cf::lock_wait $string
308 335
309Wait until the given lock is available. See cf::lock_acquire. 336Wait until the given lock is available. See cf::lock_acquire.
310 337
311=item my $lock = cf::lock_acquire $string 338=item my $lock = cf::lock_acquire $string
312 339
313Wait until the given lock is available and then acquires it and returns 340Wait until the given lock is available and then acquires it and returns
314a Coro::guard object. If the guard object gets destroyed (goes out of scope, 341a L<Guard> object. If the guard object gets destroyed (goes out of scope,
315for example when the coroutine gets canceled), the lock is automatically 342for example when the coroutine gets canceled), the lock is automatically
316returned. 343returned.
317 344
318Locks are *not* recursive, locking from the same coro twice results in a 345Locks are *not* recursive, locking from the same coro twice results in a
319deadlocked coro. 346deadlocked coro.
325 352
326Return true if the lock is currently active, i.e. somebody has locked it. 353Return true if the lock is currently active, i.e. somebody has locked it.
327 354
328=cut 355=cut
329 356
330our %LOCK; 357our $LOCKS = new Coro::SemaphoreSet;
331our %LOCKER;#d#
332 358
333sub lock_wait($) { 359sub lock_wait($) {
334 my ($key) = @_; 360 $LOCKS->wait ($_[0]);
335
336 if ($LOCKER{$key} == $Coro::current) {#d#
337 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
338 return;#d#
339 }#d#
340
341 # wait for lock, if any
342 while ($LOCK{$key}) {
343 push @{ $LOCK{$key} }, $Coro::current;
344 Coro::schedule;
345 }
346} 361}
347 362
348sub lock_acquire($) { 363sub lock_acquire($) {
349 my ($key) = @_; 364 $LOCKS->guard ($_[0])
350
351 # wait, to be sure we are not locked
352 lock_wait $key;
353
354 $LOCK{$key} = [];
355 $LOCKER{$key} = $Coro::current;#d#
356
357 Coro::guard {
358 delete $LOCKER{$key};#d#
359 # wake up all waiters, to be on the safe side
360 $_->ready for @{ delete $LOCK{$key} };
361 }
362} 365}
363 366
364sub lock_active($) { 367sub lock_active($) {
365 my ($key) = @_; 368 $LOCKS->count ($_[0]) < 1
366
367 ! ! $LOCK{$key}
368} 369}
369 370
370sub freeze_mainloop { 371sub freeze_mainloop {
371 tick_inhibit_inc; 372 tick_inhibit_inc;
372 373
373 Coro::guard \&tick_inhibit_dec; 374 &Guard::guard (\&tick_inhibit_dec);
374} 375}
375 376
376=item cf::periodic $interval, $cb 377=item cf::periodic $interval, $cb
377 378
378Like EV::periodic, but randomly selects a starting point so that the actions 379Like EV::periodic, but randomly selects a starting point so that the actions
730 731
731############################################################################# 732#############################################################################
732 733
733=head2 ATTACHABLE OBJECTS 734=head2 ATTACHABLE OBJECTS
734 735
735Many objects in crossfire are so-called attachable objects. That means you can 736Many objects in deliantra are so-called attachable objects. That means you can
736attach callbacks/event handlers (a collection of which is called an "attachment") 737attach callbacks/event handlers (a collection of which is called an "attachment")
737to it. All such attachable objects support the following methods. 738to it. All such attachable objects support the following methods.
738 739
739In the following description, CLASS can be any of C<global>, C<object> 740In the following description, CLASS can be any of C<global>, C<object>
740C<player>, C<client> or C<map> (i.e. the attachable objects in 741C<player>, C<client> or C<map> (i.e. the attachable objects in
790=item cf::CLASS::attachment $name, ... 791=item cf::CLASS::attachment $name, ...
791 792
792Register an attachment by C<$name> through which attachable objects of the 793Register an attachment by C<$name> through which attachable objects of the
793given CLASS can refer to this attachment. 794given CLASS can refer to this attachment.
794 795
795Some classes such as crossfire maps and objects can specify attachments 796Some classes such as deliantra maps and objects can specify attachments
796that are attached at load/instantiate time, thus the need for a name. 797that are attached at load/instantiate time, thus the need for a name.
797 798
798These calls expect any number of the following handler/hook descriptions: 799These calls expect any number of the following handler/hook descriptions:
799 800
800=over 4 801=over 4
1167 } else { 1168 } else {
1168 aio_unlink "$filename.pst"; 1169 aio_unlink "$filename.pst";
1169 } 1170 }
1170 1171
1171 aio_rename "$filename~", $filename; 1172 aio_rename "$filename~", $filename;
1173
1174 $filename =~ s%/[^/]+$%%;
1175 aio_pathsync $filename if $cf::USE_FSYNC;
1172 } else { 1176 } else {
1173 warn "FATAL: $filename~: $!\n"; 1177 warn "unable to save objects: $filename~: $!\n";
1174 } 1178 }
1175 } else { 1179 } else {
1176 aio_unlink $filename; 1180 aio_unlink $filename;
1177 aio_unlink "$filename.pst"; 1181 aio_unlink "$filename.pst";
1178 } 1182 }
1269 my ($name, $cb) = @_; 1273 my ($name, $cb) = @_;
1270 1274
1271 $EXTICMD{$name} = $cb; 1275 $EXTICMD{$name} = $cb;
1272} 1276}
1273 1277
1278use File::Glob ();
1279
1274cf::player->attach ( 1280cf::player->attach (
1275 on_command => sub { 1281 on_command => sub {
1276 my ($pl, $name, $params) = @_; 1282 my ($pl, $name, $params) = @_;
1277 1283
1278 my $cb = $COMMAND{$name} 1284 my $cb = $COMMAND{$name}
1309 } 1315 }
1310 1316
1311 cf::override; 1317 cf::override;
1312 }, 1318 },
1313); 1319);
1320
1321# "readahead" all extensions
1322sub cache_extensions {
1323 my $grp = IO::AIO::aio_group;
1324
1325 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1326 for (grep /\.ext$/, @{$_[0]}) {
1327 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1328 }
1329 };
1330
1331 $grp
1332}
1314 1333
1315sub load_extensions { 1334sub load_extensions {
1316 cf::sync_job { 1335 cf::sync_job {
1317 my %todo; 1336 my %todo;
1318 1337
1388 1407
1389=back 1408=back
1390 1409
1391=head2 CORE EXTENSIONS 1410=head2 CORE EXTENSIONS
1392 1411
1393Functions and methods that extend core crossfire objects. 1412Functions and methods that extend core deliantra objects.
1394 1413
1395=cut 1414=cut
1396 1415
1397package cf::player; 1416package cf::player;
1398 1417
1441 1460
1442sub exists($) { 1461sub exists($) {
1443 my ($login) = @_; 1462 my ($login) = @_;
1444 1463
1445 $cf::PLAYER{$login} 1464 $cf::PLAYER{$login}
1446 or cf::sync_job { !aio_stat path $login } 1465 or !aio_stat path $login
1447} 1466}
1448 1467
1449sub find($) { 1468sub find($) {
1450 return $cf::PLAYER{$_[0]} || do { 1469 return $cf::PLAYER{$_[0]} || do {
1451 my $login = $_[0]; 1470 my $login = $_[0];
1622 } 1641 }
1623 1642
1624 \@paths 1643 \@paths
1625} 1644}
1626 1645
1627=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1646=item $protocol_xml = $player->expand_cfpod ($cfpod)
1628 1647
1629Expand crossfire pod fragments into protocol xml. 1648Expand deliantra pod fragments into protocol xml.
1630 1649
1631=item $player->ext_reply ($msgid, @msg) 1650=item $player->ext_reply ($msgid, @msg)
1632 1651
1633Sends an ext reply to the player. 1652Sends an ext reply to the player.
1634 1653
1847 1866
1848 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go; 1867 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1849 "$UNIQUEDIR/$path" 1868 "$UNIQUEDIR/$path"
1850} 1869}
1851 1870
1852# and all this just because we cannot iterate over
1853# all maps in C++...
1854sub change_all_map_light {
1855 my ($change) = @_;
1856
1857 $_->change_map_light ($change)
1858 for grep $_->outdoor, values %cf::MAP;
1859}
1860
1861sub decay_objects { 1871sub decay_objects {
1862 my ($self) = @_; 1872 my ($self) = @_;
1863 1873
1864 return if $self->{deny_reset}; 1874 return if $self->{deny_reset};
1865 1875
1947sub find { 1957sub find {
1948 my ($path, $origin) = @_; 1958 my ($path, $origin) = @_;
1949 1959
1950 $path = normalise $path, $origin && $origin->path; 1960 $path = normalise $path, $origin && $origin->path;
1951 1961
1952 cf::lock_wait "map_data:$path";#d#remove 1962 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1953 cf::lock_wait "map_find:$path"; 1963 my $guard2 = cf::lock_acquire "map_find:$path";
1954 1964
1955 $cf::MAP{$path} || do { 1965 $cf::MAP{$path} || do {
1956 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1957 my $guard2 = cf::lock_acquire "map_find:$path";
1958
1959 my $map = new_from_path cf::map $path 1966 my $map = new_from_path cf::map $path
1960 or return; 1967 or return;
1961 1968
1962 $map->{last_save} = $cf::RUNTIME; 1969 $map->{last_save} = $cf::RUNTIME;
1963 1970
2030 2037
2031 unless ($self->{deny_activate}) { 2038 unless ($self->{deny_activate}) {
2032 $self->decay_objects; 2039 $self->decay_objects;
2033 $self->fix_auto_apply; 2040 $self->fix_auto_apply;
2034 $self->update_buttons; 2041 $self->update_buttons;
2035 cf::cede_to_tick;
2036 $self->set_darkness_map;
2037 cf::cede_to_tick; 2042 cf::cede_to_tick;
2038 $self->activate; 2043 $self->activate;
2039 } 2044 }
2040 2045
2041 $self->{last_save} = $cf::RUNTIME; 2046 $self->{last_save} = $cf::RUNTIME;
2383 2388
2384our $SAY_CHANNEL = { 2389our $SAY_CHANNEL = {
2385 id => "say", 2390 id => "say",
2386 title => "Map", 2391 title => "Map",
2387 reply => "say ", 2392 reply => "say ",
2388 tooltip => "Things said to and replied from npcs near you and other players on the same map only.", 2393 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2389}; 2394};
2390 2395
2391our $CHAT_CHANNEL = { 2396our $CHAT_CHANNEL = {
2392 id => "chat", 2397 id => "chat",
2393 title => "Chat", 2398 title => "Chat",
2692 $self->contr->savebed ($map, $x, $y) 2697 $self->contr->savebed ($map, $x, $y)
2693 if $exit->flag (cf::FLAG_DAMNED); 2698 if $exit->flag (cf::FLAG_DAMNED);
2694 2699
2695 1 2700 1
2696 }) { 2701 }) {
2697 $self->message ("Something went wrong deep within the crossfire server. " 2702 $self->message ("Something went wrong deep within the deliantra server. "
2698 . "I'll try to bring you back to the map you were before. " 2703 . "I'll try to bring you back to the map you were before. "
2699 . "Please report this to the dungeon master!", 2704 . "Please report this to the dungeon master!",
2700 cf::NDI_UNIQUE | cf::NDI_RED); 2705 cf::NDI_UNIQUE | cf::NDI_RED);
2701 2706
2702 warn "ERROR in enter_exit: $@"; 2707 warn "ERROR in enter_exit: $@";
2768 id => "infobox", 2773 id => "infobox",
2769 title => "Body Parts", 2774 title => "Body Parts",
2770 reply => undef, 2775 reply => undef,
2771 tooltip => "Shows which body parts you posess and are available", 2776 tooltip => "Shows which body parts you posess and are available",
2772 }, 2777 },
2778 "c/statistics" => {
2779 id => "infobox",
2780 title => "Statistics",
2781 reply => undef,
2782 tooltip => "Shows your primary statistics",
2783 },
2784 "c/skills" => {
2785 id => "infobox",
2786 title => "Skills",
2787 reply => undef,
2788 tooltip => "Shows your experience per skill and item power",
2789 },
2790 "c/shopitems" => {
2791 id => "infobox",
2792 title => "Shop Items",
2793 reply => undef,
2794 tooltip => "Shows the items currently for sale in this shop",
2795 },
2796 "c/resistances" => {
2797 id => "infobox",
2798 title => "Resistances",
2799 reply => undef,
2800 tooltip => "Shows your resistances",
2801 },
2802 "c/pets" => {
2803 id => "infobox",
2804 title => "Pets",
2805 reply => undef,
2806 tooltip => "Shows information abotu your pets/a specific pet",
2807 },
2808 "c/perceiveself" => {
2809 id => "infobox",
2810 title => "Perceive Self",
2811 reply => undef,
2812 tooltip => "You gained detailed knowledge about yourself",
2813 },
2773 "c/uptime" => { 2814 "c/uptime" => {
2774 id => "infobox", 2815 id => "infobox",
2775 title => "Uptime", 2816 title => "Uptime",
2776 reply => undef, 2817 reply => undef,
2777 tooltip => "How long the server has been running since last restart", 2818 tooltip => "How long the server has been running since last restart",
2786 id => "party", 2827 id => "party",
2787 title => "Party", 2828 title => "Party",
2788 reply => "gsay ", 2829 reply => "gsay ",
2789 tooltip => "Messages and chat related to your party", 2830 tooltip => "Messages and chat related to your party",
2790 }, 2831 },
2832 "c/death" => {
2833 id => "death",
2834 title => "Death",
2835 reply => undef,
2836 tooltip => "Reason for and more info about your most recent death",
2837 },
2838 "c/say" => $SAY_CHANNEL,
2839 "c/chat" => $CHAT_CHANNEL,
2791); 2840);
2792 2841
2793sub cf::client::send_msg { 2842sub cf::client::send_msg {
2794 my ($self, $channel, $msg, $color, @extra) = @_; 2843 my ($self, $channel, $msg, $color, @extra) = @_;
2795 2844
2796 $msg = $self->pl->expand_cfpod ($msg); 2845 $msg = $self->pl->expand_cfpod ($msg)
2846 unless $color & cf::NDI_VERBATIM;
2797 2847
2798 $color &= cf::NDI_CLIENT_MASK; # just in case... 2848 $color &= cf::NDI_CLIENT_MASK; # just in case...
2799 2849
2800 # check predefined channels, for the benefit of C 2850 # check predefined channels, for the benefit of C
2801 if ($CHANNEL{$channel}) { 2851 if ($CHANNEL{$channel}) {
2802 $channel = $CHANNEL{$channel}; 2852 $channel = $CHANNEL{$channel};
2803 2853
2804 $self->ext_msg (channel_info => $channel) 2854 $self->ext_msg (channel_info => $channel);
2805 if $self->can_msg;
2806
2807 $channel = $channel->{id}; 2855 $channel = $channel->{id};
2808 2856
2809 } elsif (ref $channel) { 2857 } elsif (ref $channel) {
2810 # send meta info to client, if not yet sent 2858 # send meta info to client, if not yet sent
2811 unless (exists $self->{channel}{$channel->{id}}) { 2859 unless (exists $self->{channel}{$channel->{id}}) {
2812 $self->{channel}{$channel->{id}} = $channel; 2860 $self->{channel}{$channel->{id}} = $channel;
2813 $self->ext_msg (channel_info => $channel) 2861 $self->ext_msg (channel_info => $channel);
2814 if $self->can_msg;
2815 } 2862 }
2816 2863
2817 $channel = $channel->{id}; 2864 $channel = $channel->{id};
2818 } 2865 }
2819 2866
2820 return unless @extra || length $msg; 2867 return unless @extra || length $msg;
2821 2868
2822 if ($self->can_msg) {
2823 # default colour, mask it out 2869 # default colour, mask it out
2824 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2870 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2825 if $color & cf::NDI_DEF; 2871 if $color & cf::NDI_DEF;
2826 2872
2827 my $pkt = "msg " 2873 my $pkt = "msg "
2828 . $self->{json_coder}->encode ( 2874 . $self->{json_coder}->encode (
2829 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra] 2875 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2830 ); 2876 );
2831 2877
2832 # try lzf for large packets 2878 # try lzf for large packets
2833 $pkt = "lzf " . Compress::LZF::compress $pkt 2879 $pkt = "lzf " . Compress::LZF::compress $pkt
2834 if 1024 <= length $pkt and $self->{can_lzf}; 2880 if 1024 <= length $pkt and $self->{can_lzf};
2835 2881
2836 # split very large packets 2882 # split very large packets
2837 if (8192 < length $pkt and $self->{can_lzf}) { 2883 if (8192 < length $pkt and $self->{can_lzf}) {
2838 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt; 2884 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2839 $pkt = "frag"; 2885 $pkt = "frag";
2840 } 2886 }
2841 2887
2842 $self->send_packet ($pkt); 2888 $self->send_packet ($pkt);
2843 } else {
2844 if ($color >= 0) {
2845 # replace some tags by gcfclient-compatible ones
2846 for ($msg) {
2847 1 while
2848 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2849 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2850 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2851 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2852 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2853 }
2854
2855 $color &= cf::NDI_COLOR_MASK;
2856
2857 utf8::encode $msg;
2858
2859 if (0 && $msg =~ /\[/) {
2860 # COMMAND/INFO
2861 $self->send_packet ("drawextinfo $color 10 8 $msg")
2862 } else {
2863 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2864 $self->send_packet ("drawinfo $color $msg")
2865 }
2866 }
2867 }
2868} 2889}
2869 2890
2870=item $client->ext_msg ($type, @msg) 2891=item $client->ext_msg ($type, @msg)
2871 2892
2872Sends an ext event to the client. 2893Sends an ext event to the client.
3047The following functions and methods are available within a safe environment: 3068The following functions and methods are available within a safe environment:
3048 3069
3049 cf::object 3070 cf::object
3050 contr pay_amount pay_player map x y force_find force_add destroy 3071 contr pay_amount pay_player map x y force_find force_add destroy
3051 insert remove name archname title slaying race decrease split 3072 insert remove name archname title slaying race decrease split
3073 value
3052 3074
3053 cf::object::player 3075 cf::object::player
3054 player 3076 player
3055 3077
3056 cf::player 3078 cf::player
3062=cut 3084=cut
3063 3085
3064for ( 3086for (
3065 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3087 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3066 insert remove inv nrof name archname title slaying race 3088 insert remove inv nrof name archname title slaying race
3067 decrease split destroy change_exp)], 3089 decrease split destroy change_exp value msg lore send_msg)],
3068 ["cf::object::player" => qw(player)], 3090 ["cf::object::player" => qw(player)],
3069 ["cf::player" => qw(peaceful)], 3091 ["cf::player" => qw(peaceful send_msg)],
3070 ["cf::map" => qw(trigger)], 3092 ["cf::map" => qw(trigger)],
3071) { 3093) {
3072 no strict 'refs'; 3094 no strict 'refs';
3073 my ($pkg, @funs) = @$_; 3095 my ($pkg, @funs) = @$_;
3074 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3096 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3091 my ($code, %vars) = @_; 3113 my ($code, %vars) = @_;
3092 3114
3093 my $qcode = $code; 3115 my $qcode = $code;
3094 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3116 $qcode =~ s/"/‟/g; # not allowed in #line filenames
3095 $qcode =~ s/\n/\\n/g; 3117 $qcode =~ s/\n/\\n/g;
3118
3119 %vars = (_dummy => 0) unless %vars;
3096 3120
3097 local $_; 3121 local $_;
3098 local @safe::cf::_safe_eval_args = values %vars; 3122 local @safe::cf::_safe_eval_args = values %vars;
3099 3123
3100 my $eval = 3124 my $eval =
3330 reload_treasures; 3354 reload_treasures;
3331 3355
3332 warn "finished reloading resource files\n"; 3356 warn "finished reloading resource files\n";
3333} 3357}
3334 3358
3335sub init {
3336 my $guard = freeze_mainloop;
3337
3338 evthread_start IO::AIO::poll_fileno;
3339
3340 reload_resources;
3341}
3342
3343sub reload_config { 3359sub reload_config {
3344 open my $fh, "<:utf8", "$CONFDIR/config" 3360 open my $fh, "<:utf8", "$CONFDIR/config"
3345 or return; 3361 or return;
3346 3362
3347 local $/; 3363 local $/;
3379 seek $fh, 0, 0; 3395 seek $fh, 0, 0;
3380 print $fh $$; 3396 print $fh $$;
3381} 3397}
3382 3398
3383sub main { 3399sub main {
3384 atomic; 3400 cf::init_globals; # initialise logging
3401
3402 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3403 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3404 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3405 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3406
3407 cf::init_experience;
3408 cf::init_anim;
3409 cf::init_attackmess;
3410 cf::init_dynamic;
3411
3412 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3385 3413
3386 # we must not ever block the main coroutine 3414 # we must not ever block the main coroutine
3387 local $Coro::idle = sub { 3415 local $Coro::idle = sub {
3388 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3416 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3389 (async { 3417 (async {
3390 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3418 $Coro::current->{desc} = "IDLE BUG HANDLER";
3391 EV::loop EV::LOOP_ONESHOT; 3419 EV::loop EV::LOOP_ONESHOT;
3392 })->prio (Coro::PRIO_MAX); 3420 })->prio (Coro::PRIO_MAX);
3393 }; 3421 };
3394 3422
3395 { 3423 evthread_start IO::AIO::poll_fileno;
3396 my $guard = freeze_mainloop; 3424
3425 cf::sync_job {
3426 reload_resources;
3397 reload_config; 3427 reload_config;
3398 db_init; 3428 db_init;
3429
3430 cf::load_settings;
3431 cf::load_materials;
3432 cf::init_uuid;
3433 cf::init_signals;
3434 cf::init_commands;
3435 cf::init_skills;
3436
3437 cf::init_beforeplay;
3438
3439 atomic;
3440
3399 load_extensions; 3441 load_extensions;
3400 3442
3401 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3402 }
3403
3404 utime time, time, $RUNTIMEFILE; 3443 utime time, time, $RUNTIMEFILE;
3405 3444
3406 # no (long-running) fork's whatsoever before this point(!) 3445 # no (long-running) fork's whatsoever before this point(!)
3407 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD}; 3446 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3447
3448 (pop @POST_INIT)->(0) while @POST_INIT;
3449 };
3408 3450
3409 EV::loop; 3451 EV::loop;
3410} 3452}
3411 3453
3412############################################################################# 3454#############################################################################
3470 my $uuid = "$LOCALDIR/uuid"; 3512 my $uuid = "$LOCALDIR/uuid";
3471 3513
3472 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644 3514 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3473 or return; 3515 or return;
3474 3516
3475 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur; 3517 my $value = uuid_seq uuid_cur;
3518
3519 unless ($value) {
3520 warn "cowardly refusing to write zero uuid value!\n";
3521 return;
3522 }
3523
3524 my $value = uuid_str $value + $uuid_skip;
3476 $uuid_skip = 0; 3525 $uuid_skip = 0;
3477 3526
3478 (aio_write $fh, 0, (length $value), $value, 0) <= 0 3527 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3479 and return; 3528 and return;
3480 3529
3502} 3551}
3503 3552
3504sub emergency_save() { 3553sub emergency_save() {
3505 my $freeze_guard = cf::freeze_mainloop; 3554 my $freeze_guard = cf::freeze_mainloop;
3506 3555
3507 warn "enter emergency perl save\n"; 3556 warn "emergency_perl_save: enter\n";
3508 3557
3509 cf::sync_job { 3558 cf::sync_job {
3559 # this is a trade-off: we want to be very quick here, so
3560 # save all maps without fsync, and later call a global sync
3561 # (which in turn might be very very slow)
3562 local $USE_FSYNC = 0;
3563
3510 # use a peculiar iteration method to avoid tripping on perl 3564 # use a peculiar iteration method to avoid tripping on perl
3511 # refcount bugs in for. also avoids problems with players 3565 # refcount bugs in for. also avoids problems with players
3512 # and maps saved/destroyed asynchronously. 3566 # and maps saved/destroyed asynchronously.
3513 warn "begin emergency player save\n"; 3567 warn "emergency_perl_save: begin player save\n";
3514 for my $login (keys %cf::PLAYER) { 3568 for my $login (keys %cf::PLAYER) {
3515 my $pl = $cf::PLAYER{$login} or next; 3569 my $pl = $cf::PLAYER{$login} or next;
3516 $pl->valid or next; 3570 $pl->valid or next;
3517 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3571 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3518 $pl->save; 3572 $pl->save;
3519 } 3573 }
3520 warn "end emergency player save\n"; 3574 warn "emergency_perl_save: end player save\n";
3521 3575
3522 warn "begin emergency map save\n"; 3576 warn "emergency_perl_save: begin map save\n";
3523 for my $path (keys %cf::MAP) { 3577 for my $path (keys %cf::MAP) {
3524 my $map = $cf::MAP{$path} or next; 3578 my $map = $cf::MAP{$path} or next;
3525 $map->valid or next; 3579 $map->valid or next;
3526 $map->save; 3580 $map->save;
3527 } 3581 }
3528 warn "end emergency map save\n"; 3582 warn "emergency_perl_save: end map save\n";
3529 3583
3530 warn "begin emergency database checkpoint\n"; 3584 warn "emergency_perl_save: begin database checkpoint\n";
3531 BDB::db_env_txn_checkpoint $DB_ENV; 3585 BDB::db_env_txn_checkpoint $DB_ENV;
3532 warn "end emergency database checkpoint\n"; 3586 warn "emergency_perl_save: end database checkpoint\n";
3533 3587
3534 warn "begin write uuid\n"; 3588 warn "emergency_perl_save: begin write uuid\n";
3535 write_uuid_sync 1; 3589 write_uuid_sync 1;
3536 warn "end write uuid\n"; 3590 warn "emergency_perl_save: end write uuid\n";
3537 }; 3591 };
3538 3592
3593 warn "emergency_perl_save: starting sync()\n";
3594 IO::AIO::aio_sync sub {
3595 warn "emergency_perl_save: finished sync()\n";
3596 };
3597
3539 warn "leave emergency perl save\n"; 3598 warn "emergency_perl_save: leave\n";
3540} 3599}
3541 3600
3542sub post_cleanup { 3601sub post_cleanup {
3543 my ($make_core) = @_; 3602 my ($make_core) = @_;
3544 3603
3570 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH}; 3629 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3571 for my $name (keys %$leaf_symtab) { 3630 for my $name (keys %$leaf_symtab) {
3572 _gv_clear *{"$pkg$name"}; 3631 _gv_clear *{"$pkg$name"};
3573# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"}; 3632# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3574 } 3633 }
3575 warn "cleared package #$pkg\n";#d# 3634 warn "cleared package $pkg\n";#d#
3576} 3635}
3577
3578our $RELOAD; # how many times to reload
3579 3636
3580sub do_reload_perl() { 3637sub do_reload_perl() {
3581 # can/must only be called in main 3638 # can/must only be called in main
3582 if ($Coro::current != $Coro::main) { 3639 if ($Coro::current != $Coro::main) {
3583 warn "can only reload from main coroutine"; 3640 warn "can only reload from main coroutine";
3584 return; 3641 return;
3585 } 3642 }
3586 3643
3587 return if $RELOAD++; 3644 return if $RELOAD++;
3645
3646 my $t1 = EV::time;
3588 3647
3589 while ($RELOAD) { 3648 while ($RELOAD) {
3590 warn "reloading..."; 3649 warn "reloading...";
3591 3650
3592 warn "entering sync_job"; 3651 warn "entering sync_job";
3653 clear_package "safe::$_" 3712 clear_package "safe::$_"
3654 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3713 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3655 3714
3656 warn "unloading cf.pm \"a bit\""; 3715 warn "unloading cf.pm \"a bit\"";
3657 delete $INC{"cf.pm"}; 3716 delete $INC{"cf.pm"};
3658 delete $INC{"cf/pod.pm"}; 3717 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3659 3718
3660 # don't, removes xs symbols, too, 3719 # don't, removes xs symbols, too,
3661 # and global variables created in xs 3720 # and global variables created in xs
3662 #clear_package __PACKAGE__; 3721 #clear_package __PACKAGE__;
3663 3722
3671 cf::reload_config; 3730 cf::reload_config;
3672 3731
3673 warn "loading extensions"; 3732 warn "loading extensions";
3674 cf::load_extensions; 3733 cf::load_extensions;
3675 3734
3735 if ($REATTACH_ON_RELOAD) {
3676 warn "reattaching attachments to objects/players"; 3736 warn "reattaching attachments to objects/players";
3677 _global_reattach; # objects, sockets 3737 _global_reattach; # objects, sockets
3678 warn "reattaching attachments to maps"; 3738 warn "reattaching attachments to maps";
3679 reattach $_ for values %MAP; 3739 reattach $_ for values %MAP;
3680 warn "reattaching attachments to players"; 3740 warn "reattaching attachments to players";
3681 reattach $_ for values %PLAYER; 3741 reattach $_ for values %PLAYER;
3742 }
3743
3744 warn "running post_init jobs";
3745 (pop @POST_INIT)->(1) while @POST_INIT;
3682 3746
3683 warn "leaving sync_job"; 3747 warn "leaving sync_job";
3684 3748
3685 1 3749 1
3686 } or do { 3750 } or do {
3689 }; 3753 };
3690 3754
3691 warn "reloaded"; 3755 warn "reloaded";
3692 --$RELOAD; 3756 --$RELOAD;
3693 } 3757 }
3758
3759 $t1 = EV::time - $t1;
3760 warn "reload completed in ${t1}s\n";
3694}; 3761};
3695 3762
3696our $RELOAD_WATCHER; # used only during reload 3763our $RELOAD_WATCHER; # used only during reload
3697 3764
3698sub reload_perl() { 3765sub reload_perl() {
3699 # doing reload synchronously and two reloads happen back-to-back, 3766 # doing reload synchronously and two reloads happen back-to-back,
3700 # coro crashes during coro_state_free->destroy here. 3767 # coro crashes during coro_state_free->destroy here.
3701 3768
3769 $RELOAD_WATCHER ||= cf::async {
3770 Coro::AIO::aio_wait cache_extensions;
3771
3702 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3772 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3703 do_reload_perl; 3773 do_reload_perl;
3704 undef $RELOAD_WATCHER; 3774 undef $RELOAD_WATCHER;
3775 };
3705 }; 3776 };
3706} 3777}
3707 3778
3708register_command "reload" => sub { 3779register_command "reload" => sub {
3709 my ($who, $arg) = @_; 3780 my ($who, $arg) = @_;
3868 LOG llevInfo, "[ABT] [suppressed]\n"; 3939 LOG llevInfo, "[ABT] [suppressed]\n";
3869 } 3940 }
3870} 3941}
3871 3942
3872# load additional modules 3943# load additional modules
3873use cf::pod; 3944require "cf/$_.pm" for @EXTRA_MODULES;
3874 3945
3875END { cf::emergency_save } 3946END { cf::emergency_save }
3876 3947
38771 39481
3878 3949

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