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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.456 by root, Tue Sep 30 04:00:35 2008 UTC vs.
Revision 1.475 by root, Tue Jul 21 06:17:00 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 ();
… …
69$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 71$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
70 72
71# make sure c-lzf reinitialises itself 73# make sure c-lzf reinitialises itself
72Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve"; 74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
73Compress::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
76
77# strictly for debugging
78$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
74 79
75sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 80sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
76 81
77our %COMMAND = (); 82our %COMMAND = ();
78our %COMMAND_TIME = (); 83our %COMMAND_TIME = ();
… …
103our %RESOURCE; 108our %RESOURCE;
104 109
105our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 110our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
106our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 111our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
107our $NEXT_TICK; 112our $NEXT_TICK;
108our $USE_FSYNC = 1; # use fsync to write maps - default off 113our $USE_FSYNC = 1; # use fsync to write maps - default on
109 114
110our $BDB_DEADLOCK_WATCHER; 115our $BDB_DEADLOCK_WATCHER;
111our $BDB_CHECKPOINT_WATCHER; 116our $BDB_CHECKPOINT_WATCHER;
112our $BDB_TRICKLE_WATCHER; 117our $BDB_TRICKLE_WATCHER;
113our $DB_ENV; 118our $DB_ENV;
114 119
120our @EXTRA_MODULES = qw(pod mapscript);
121
115our %CFG; 122our %CFG;
116 123
117our $UPTIME; $UPTIME ||= time; 124our $UPTIME; $UPTIME ||= time;
118our $RUNTIME; 125our $RUNTIME;
119our $NOW; 126our $NOW;
… …
129our $LOADAVG; # same thing, but with alpha-smoothing 136our $LOADAVG; # same thing, but with alpha-smoothing
130our $JITTER; # average jitter 137our $JITTER; # average jitter
131our $TICK_START; # for load detecting purposes 138our $TICK_START; # for load detecting purposes
132 139
133our @POST_INIT; 140our @POST_INIT;
141
142our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
143our $REALLY_UNLOOP; # never set to true, please :)
134 144
135binmode STDOUT; 145binmode STDOUT;
136binmode STDERR; 146binmode STDERR;
137 147
138# read virtual server time, if available 148# read virtual server time, if available
139unless ($RUNTIME || !-e $RUNTIMEFILE) { 149unless ($RUNTIME || !-e $RUNTIMEFILE) {
140 open my $fh, "<", $RUNTIMEFILE 150 open my $fh, "<", $RUNTIMEFILE
141 or die "unable to read $RUNTIMEFILE file: $!"; 151 or die "unable to read $RUNTIMEFILE file: $!";
142 $RUNTIME = <$fh> + 0.; 152 $RUNTIME = <$fh> + 0.;
143} 153}
154
155eval "sub TICK() { $TICK } 1" or die;
144 156
145mkdir $_ 157mkdir $_
146 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 158 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
147 159
148our $EMERGENCY_POSITION; 160our $EMERGENCY_POSITION;
… …
328Wait until the given lock is available. See cf::lock_acquire. 340Wait until the given lock is available. See cf::lock_acquire.
329 341
330=item my $lock = cf::lock_acquire $string 342=item my $lock = cf::lock_acquire $string
331 343
332Wait 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
333a 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,
334for example when the coroutine gets canceled), the lock is automatically 346for example when the coroutine gets canceled), the lock is automatically
335returned. 347returned.
336 348
337Locks 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
338deadlocked coro. 350deadlocked coro.
… …
344 356
345Return 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.
346 358
347=cut 359=cut
348 360
349our %LOCK; 361our $LOCKS = new Coro::SemaphoreSet;
350our %LOCKER;#d#
351 362
352sub lock_wait($) { 363sub lock_wait($) {
353 my ($key) = @_; 364 $LOCKS->wait ($_[0]);
354
355 if ($LOCKER{$key} == $Coro::current) {#d#
356 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
357 return;#d#
358 }#d#
359
360 # wait for lock, if any
361 while ($LOCK{$key}) {
362 #local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
363 push @{ $LOCK{$key} }, $Coro::current;
364 Coro::schedule;
365 }
366} 365}
367 366
368sub lock_acquire($) { 367sub lock_acquire($) {
369 my ($key) = @_; 368 $LOCKS->guard ($_[0])
370
371 # wait, to be sure we are not locked
372 lock_wait $key;
373
374 $LOCK{$key} = [];
375 $LOCKER{$key} = $Coro::current;#d#
376
377 Coro::guard {
378 delete $LOCKER{$key};#d#
379 # wake up all waiters, to be on the safe side
380 $_->ready for @{ delete $LOCK{$key} };
381 }
382} 369}
383 370
384sub lock_active($) { 371sub lock_active($) {
385 my ($key) = @_; 372 $LOCKS->count ($_[0]) < 1
386
387 ! ! $LOCK{$key}
388} 373}
389 374
390sub freeze_mainloop { 375sub freeze_mainloop {
391 tick_inhibit_inc; 376 tick_inhibit_inc;
392 377
393 Coro::guard \&tick_inhibit_dec; 378 &Guard::guard (\&tick_inhibit_dec);
394} 379}
395 380
396=item cf::periodic $interval, $cb 381=item cf::periodic $interval, $cb
397 382
398Like 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
… …
1170 $decname, length $$rdata, scalar @$objs; 1155 $decname, length $$rdata, scalar @$objs;
1171 1156
1172 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1157 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1173 aio_chmod $fh, SAVE_MODE; 1158 aio_chmod $fh, SAVE_MODE;
1174 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1159 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1175 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 }
1176 aio_close $fh; 1164 aio_close $fh;
1177 1165
1178 if (@$objs) { 1166 if (@$objs) {
1179 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) {
1180 aio_chmod $fh, SAVE_MODE; 1168 aio_chmod $fh, SAVE_MODE;
1181 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs }; 1169 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1182 aio_write $fh, 0, (length $data), $data, 0; 1170 aio_write $fh, 0, (length $data), $data, 0;
1183 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 }
1184 aio_close $fh; 1175 aio_close $fh;
1185 aio_rename "$filename.pst~", "$filename.pst"; 1176 aio_rename "$filename.pst~", "$filename.pst";
1186 } 1177 }
1187 } else { 1178 } else {
1188 aio_unlink "$filename.pst"; 1179 aio_unlink "$filename.pst";
1189 } 1180 }
1190 1181
1191 aio_rename "$filename~", $filename; 1182 aio_rename "$filename~", $filename;
1192 1183
1193 $filename =~ s%/[^/]+$%%; 1184 $filename =~ s%/[^/]+$%%;
1194 aio_pathsync $filename; 1185 aio_pathsync $filename if $cf::USE_FSYNC;
1195 } else { 1186 } else {
1196 warn "FATAL: $filename~: $!\n"; 1187 warn "unable to save objects: $filename~: $!\n";
1197 } 1188 }
1198 } else { 1189 } else {
1199 aio_unlink $filename; 1190 aio_unlink $filename;
1200 aio_unlink "$filename.pst"; 1191 aio_unlink "$filename.pst";
1201 } 1192 }
… …
1292 my ($name, $cb) = @_; 1283 my ($name, $cb) = @_;
1293 1284
1294 $EXTICMD{$name} = $cb; 1285 $EXTICMD{$name} = $cb;
1295} 1286}
1296 1287
1288use File::Glob ();
1289
1297cf::player->attach ( 1290cf::player->attach (
1298 on_command => sub { 1291 on_command => sub {
1299 my ($pl, $name, $params) = @_; 1292 my ($pl, $name, $params) = @_;
1300 1293
1301 my $cb = $COMMAND{$name} 1294 my $cb = $COMMAND{$name}
… …
1332 } 1325 }
1333 1326
1334 cf::override; 1327 cf::override;
1335 }, 1328 },
1336); 1329);
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}
1337 1343
1338sub load_extensions { 1344sub load_extensions {
1339 cf::sync_job { 1345 cf::sync_job {
1340 my %todo; 1346 my %todo;
1341 1347
… …
1870 1876
1871 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go; 1877 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1872 "$UNIQUEDIR/$path" 1878 "$UNIQUEDIR/$path"
1873} 1879}
1874 1880
1875# and all this just because we cannot iterate over
1876# all maps in C++...
1877sub change_all_map_light {
1878 my ($change) = @_;
1879
1880 $_->change_map_light ($change)
1881 for grep $_->outdoor, values %cf::MAP;
1882}
1883
1884sub decay_objects { 1881sub decay_objects {
1885 my ($self) = @_; 1882 my ($self) = @_;
1886 1883
1887 return if $self->{deny_reset}; 1884 return if $self->{deny_reset};
1888 1885
… …
1970sub find { 1967sub find {
1971 my ($path, $origin) = @_; 1968 my ($path, $origin) = @_;
1972 1969
1973 $path = normalise $path, $origin && $origin->path; 1970 $path = normalise $path, $origin && $origin->path;
1974 1971
1975 cf::lock_wait "map_data:$path";#d#remove 1972 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1976 cf::lock_wait "map_find:$path"; 1973 my $guard2 = cf::lock_acquire "map_find:$path";
1977 1974
1978 $cf::MAP{$path} || do { 1975 $cf::MAP{$path} || do {
1979 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1980 my $guard2 = cf::lock_acquire "map_find:$path";
1981
1982 my $map = new_from_path cf::map $path 1976 my $map = new_from_path cf::map $path
1983 or return; 1977 or return;
1984 1978
1985 $map->{last_save} = $cf::RUNTIME; 1979 $map->{last_save} = $cf::RUNTIME;
1986 1980
… …
2053 2047
2054 unless ($self->{deny_activate}) { 2048 unless ($self->{deny_activate}) {
2055 $self->decay_objects; 2049 $self->decay_objects;
2056 $self->fix_auto_apply; 2050 $self->fix_auto_apply;
2057 $self->update_buttons; 2051 $self->update_buttons;
2058 cf::cede_to_tick;
2059 $self->set_darkness_map;
2060 cf::cede_to_tick; 2052 cf::cede_to_tick;
2061 $self->activate; 2053 $self->activate;
2062 } 2054 }
2063 2055
2064 $self->{last_save} = $cf::RUNTIME; 2056 $self->{last_save} = $cf::RUNTIME;
… …
2406 2398
2407our $SAY_CHANNEL = { 2399our $SAY_CHANNEL = {
2408 id => "say", 2400 id => "say",
2409 title => "Map", 2401 title => "Map",
2410 reply => "say ", 2402 reply => "say ",
2411 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.",
2412}; 2404};
2413 2405
2414our $CHAT_CHANNEL = { 2406our $CHAT_CHANNEL = {
2415 id => "chat", 2407 id => "chat",
2416 title => "Chat", 2408 title => "Chat",
… …
2791 id => "infobox", 2783 id => "infobox",
2792 title => "Body Parts", 2784 title => "Body Parts",
2793 reply => undef, 2785 reply => undef,
2794 tooltip => "Shows which body parts you posess and are available", 2786 tooltip => "Shows which body parts you posess and are available",
2795 }, 2787 },
2788 "c/statistics" => {
2789 id => "infobox",
2790 title => "Statistics",
2791 reply => undef,
2792 tooltip => "Shows your primary statistics",
2793 },
2796 "c/skills" => { 2794 "c/skills" => {
2797 id => "infobox", 2795 id => "infobox",
2798 title => "Skills", 2796 title => "Skills",
2799 reply => undef, 2797 reply => undef,
2800 tooltip => "Shows your experience per skill and item power", 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",
2801 }, 2823 },
2802 "c/uptime" => { 2824 "c/uptime" => {
2803 id => "infobox", 2825 id => "infobox",
2804 title => "Uptime", 2826 title => "Uptime",
2805 reply => undef, 2827 reply => undef,
… …
2815 id => "party", 2837 id => "party",
2816 title => "Party", 2838 title => "Party",
2817 reply => "gsay ", 2839 reply => "gsay ",
2818 tooltip => "Messages and chat related to your party", 2840 tooltip => "Messages and chat related to your party",
2819 }, 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" => $CHAT_CHANNEL,
2820); 2850);
2821 2851
2822sub cf::client::send_msg { 2852sub cf::client::send_msg {
2823 my ($self, $channel, $msg, $color, @extra) = @_; 2853 my ($self, $channel, $msg, $color, @extra) = @_;
2824 2854
… …
2829 2859
2830 # check predefined channels, for the benefit of C 2860 # check predefined channels, for the benefit of C
2831 if ($CHANNEL{$channel}) { 2861 if ($CHANNEL{$channel}) {
2832 $channel = $CHANNEL{$channel}; 2862 $channel = $CHANNEL{$channel};
2833 2863
2834 $self->ext_msg (channel_info => $channel) 2864 $self->ext_msg (channel_info => $channel);
2835 if $self->can_msg;
2836
2837 $channel = $channel->{id}; 2865 $channel = $channel->{id};
2838 2866
2839 } elsif (ref $channel) { 2867 } elsif (ref $channel) {
2840 # send meta info to client, if not yet sent 2868 # send meta info to client, if not yet sent
2841 unless (exists $self->{channel}{$channel->{id}}) { 2869 unless (exists $self->{channel}{$channel->{id}}) {
2842 $self->{channel}{$channel->{id}} = $channel; 2870 $self->{channel}{$channel->{id}} = $channel;
2843 $self->ext_msg (channel_info => $channel) 2871 $self->ext_msg (channel_info => $channel);
2844 if $self->can_msg;
2845 } 2872 }
2846 2873
2847 $channel = $channel->{id}; 2874 $channel = $channel->{id};
2848 } 2875 }
2849 2876
2850 return unless @extra || length $msg; 2877 return unless @extra || length $msg;
2851 2878
2852 if ($self->can_msg) {
2853 # default colour, mask it out 2879 # default colour, mask it out
2854 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2880 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2855 if $color & cf::NDI_DEF; 2881 if $color & cf::NDI_DEF;
2856 2882
2857 my $pkt = "msg " 2883 my $pkt = "msg "
2858 . $self->{json_coder}->encode ( 2884 . $self->{json_coder}->encode (
2859 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra] 2885 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2860 ); 2886 );
2861 2887
2862 # try lzf for large packets 2888 # try lzf for large packets
2863 $pkt = "lzf " . Compress::LZF::compress $pkt 2889 $pkt = "lzf " . Compress::LZF::compress $pkt
2864 if 1024 <= length $pkt and $self->{can_lzf}; 2890 if 1024 <= length $pkt and $self->{can_lzf};
2865 2891
2866 # split very large packets 2892 # split very large packets
2867 if (8192 < length $pkt and $self->{can_lzf}) { 2893 if (8192 < length $pkt and $self->{can_lzf}) {
2868 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt; 2894 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2869 $pkt = "frag"; 2895 $pkt = "frag";
2870 } 2896 }
2871 2897
2872 $self->send_packet ($pkt); 2898 $self->send_packet ($pkt);
2873 } else {
2874 if ($color >= 0) {
2875 # replace some tags by gcfclient-compatible ones
2876 for ($msg) {
2877 1 while
2878 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2879 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2880 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2881 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2882 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2883 }
2884
2885 $color &= cf::NDI_COLOR_MASK;
2886
2887 utf8::encode $msg;
2888
2889 if (0 && $msg =~ /\[/) {
2890 # COMMAND/INFO
2891 $self->send_packet ("drawextinfo $color 10 8 $msg")
2892 } else {
2893 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2894 $self->send_packet ("drawinfo $color $msg")
2895 }
2896 }
2897 }
2898} 2899}
2899 2900
2900=item $client->ext_msg ($type, @msg) 2901=item $client->ext_msg ($type, @msg)
2901 2902
2902Sends an ext event to the client. 2903Sends an ext event to the client.
… …
3077The following functions and methods are available within a safe environment: 3078The following functions and methods are available within a safe environment:
3078 3079
3079 cf::object 3080 cf::object
3080 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
3081 insert remove name archname title slaying race decrease split 3082 insert remove name archname title slaying race decrease split
3083 value
3082 3084
3083 cf::object::player 3085 cf::object::player
3084 player 3086 player
3085 3087
3086 cf::player 3088 cf::player
… …
3092=cut 3094=cut
3093 3095
3094for ( 3096for (
3095 ["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
3096 insert remove inv nrof name archname title slaying race 3098 insert remove inv nrof name archname title slaying race
3097 decrease split destroy change_exp)], 3099 decrease split destroy change_exp value msg lore send_msg)],
3098 ["cf::object::player" => qw(player)], 3100 ["cf::object::player" => qw(player)],
3099 ["cf::player" => qw(peaceful)], 3101 ["cf::player" => qw(peaceful send_msg)],
3100 ["cf::map" => qw(trigger)], 3102 ["cf::map" => qw(trigger)],
3101) { 3103) {
3102 no strict 'refs'; 3104 no strict 'refs';
3103 my ($pkg, @funs) = @$_; 3105 my ($pkg, @funs) = @$_;
3104 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3106 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
3121 my ($code, %vars) = @_; 3123 my ($code, %vars) = @_;
3122 3124
3123 my $qcode = $code; 3125 my $qcode = $code;
3124 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3126 $qcode =~ s/"/‟/g; # not allowed in #line filenames
3125 $qcode =~ s/\n/\\n/g; 3127 $qcode =~ s/\n/\\n/g;
3128
3129 %vars = (_dummy => 0) unless %vars;
3126 3130
3127 local $_; 3131 local $_;
3128 local @safe::cf::_safe_eval_args = values %vars; 3132 local @safe::cf::_safe_eval_args = values %vars;
3129 3133
3130 my $eval = 3134 my $eval =
… …
3400 3404
3401 seek $fh, 0, 0; 3405 seek $fh, 0, 0;
3402 print $fh $$; 3406 print $fh $$;
3403} 3407}
3404 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
3405sub main { 3418sub main {
3406 cf::init_globals; # initialise logging 3419 cf::init_globals; # initialise logging
3407 3420
3408 LOG llevInfo, "Welcome to Deliantra, v" . VERSION; 3421 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3409 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team."; 3422 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
… …
3412 3425
3413 cf::init_experience; 3426 cf::init_experience;
3414 cf::init_anim; 3427 cf::init_anim;
3415 cf::init_attackmess; 3428 cf::init_attackmess;
3416 cf::init_dynamic; 3429 cf::init_dynamic;
3417 cf::init_block;
3418 3430
3419 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3431 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3420 3432
3421 # we must not ever block the main coroutine 3433 # we must not ever block the main coroutine
3422 local $Coro::idle = sub { 3434 local $Coro::idle = sub {
… …
3448 load_extensions; 3460 load_extensions;
3449 3461
3450 utime time, time, $RUNTIMEFILE; 3462 utime time, time, $RUNTIMEFILE;
3451 3463
3452 # no (long-running) fork's whatsoever before this point(!) 3464 # no (long-running) fork's whatsoever before this point(!)
3465 use POSIX ();
3453 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD}; 3466 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3454 3467
3455 (pop @POST_INIT)->(0) while @POST_INIT; 3468 (pop @POST_INIT)->(0) while @POST_INIT;
3456 }; 3469 };
3457 3470
3458 EV::loop; 3471 main_loop;
3459} 3472}
3460 3473
3461############################################################################# 3474#############################################################################
3462# initialisation and cleanup 3475# initialisation and cleanup
3463 3476
… …
3558} 3571}
3559 3572
3560sub emergency_save() { 3573sub emergency_save() {
3561 my $freeze_guard = cf::freeze_mainloop; 3574 my $freeze_guard = cf::freeze_mainloop;
3562 3575
3563 warn "enter emergency perl save\n"; 3576 warn "emergency_perl_save: enter\n";
3564 3577
3565 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
3566 # use a peculiar iteration method to avoid tripping on perl 3584 # use a peculiar iteration method to avoid tripping on perl
3567 # refcount bugs in for. also avoids problems with players 3585 # refcount bugs in for. also avoids problems with players
3568 # and maps saved/destroyed asynchronously. 3586 # and maps saved/destroyed asynchronously.
3569 warn "begin emergency player save\n"; 3587 warn "emergency_perl_save: begin player save\n";
3570 for my $login (keys %cf::PLAYER) { 3588 for my $login (keys %cf::PLAYER) {
3571 my $pl = $cf::PLAYER{$login} or next; 3589 my $pl = $cf::PLAYER{$login} or next;
3572 $pl->valid or next; 3590 $pl->valid or next;
3573 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3591 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3574 $pl->save; 3592 $pl->save;
3575 } 3593 }
3576 warn "end emergency player save\n"; 3594 warn "emergency_perl_save: end player save\n";
3577 3595
3578 warn "begin emergency map save\n"; 3596 warn "emergency_perl_save: begin map save\n";
3579 for my $path (keys %cf::MAP) { 3597 for my $path (keys %cf::MAP) {
3580 my $map = $cf::MAP{$path} or next; 3598 my $map = $cf::MAP{$path} or next;
3581 $map->valid or next; 3599 $map->valid or next;
3582 $map->save; 3600 $map->save;
3583 } 3601 }
3584 warn "end emergency map save\n"; 3602 warn "emergency_perl_save: end map save\n";
3585 3603
3586 warn "begin emergency database checkpoint\n"; 3604 warn "emergency_perl_save: begin database checkpoint\n";
3587 BDB::db_env_txn_checkpoint $DB_ENV; 3605 BDB::db_env_txn_checkpoint $DB_ENV;
3588 warn "end emergency database checkpoint\n"; 3606 warn "emergency_perl_save: end database checkpoint\n";
3589 3607
3590 warn "begin write uuid\n"; 3608 warn "emergency_perl_save: begin write uuid\n";
3591 write_uuid_sync 1; 3609 write_uuid_sync 1;
3592 warn "end write uuid\n"; 3610 warn "emergency_perl_save: end write uuid\n";
3593 }; 3611 };
3594 3612
3613 warn "emergency_perl_save: starting sync()\n";
3614 IO::AIO::aio_sync sub {
3615 warn "emergency_perl_save: finished sync()\n";
3616 };
3617
3595 warn "leave emergency perl save\n"; 3618 warn "emergency_perl_save: leave\n";
3596} 3619}
3597 3620
3598sub post_cleanup { 3621sub post_cleanup {
3599 my ($make_core) = @_; 3622 my ($make_core) = @_;
3600 3623
… …
3637 warn "can only reload from main coroutine"; 3660 warn "can only reload from main coroutine";
3638 return; 3661 return;
3639 } 3662 }
3640 3663
3641 return if $RELOAD++; 3664 return if $RELOAD++;
3665
3666 my $t1 = EV::time;
3642 3667
3643 while ($RELOAD) { 3668 while ($RELOAD) {
3644 warn "reloading..."; 3669 warn "reloading...";
3645 3670
3646 warn "entering sync_job"; 3671 warn "entering sync_job";
… …
3707 clear_package "safe::$_" 3732 clear_package "safe::$_"
3708 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);
3709 3734
3710 warn "unloading cf.pm \"a bit\""; 3735 warn "unloading cf.pm \"a bit\"";
3711 delete $INC{"cf.pm"}; 3736 delete $INC{"cf.pm"};
3712 delete $INC{"cf/pod.pm"}; 3737 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3713 3738
3714 # don't, removes xs symbols, too, 3739 # don't, removes xs symbols, too,
3715 # and global variables created in xs 3740 # and global variables created in xs
3716 #clear_package __PACKAGE__; 3741 #clear_package __PACKAGE__;
3717 3742
… …
3725 cf::reload_config; 3750 cf::reload_config;
3726 3751
3727 warn "loading extensions"; 3752 warn "loading extensions";
3728 cf::load_extensions; 3753 cf::load_extensions;
3729 3754
3755 if ($REATTACH_ON_RELOAD) {
3730 warn "reattaching attachments to objects/players"; 3756 warn "reattaching attachments to objects/players";
3731 _global_reattach; # objects, sockets 3757 _global_reattach; # objects, sockets
3732 warn "reattaching attachments to maps"; 3758 warn "reattaching attachments to maps";
3733 reattach $_ for values %MAP; 3759 reattach $_ for values %MAP;
3734 warn "reattaching attachments to players"; 3760 warn "reattaching attachments to players";
3735 reattach $_ for values %PLAYER; 3761 reattach $_ for values %PLAYER;
3762 }
3736 3763
3737 warn "running post_load"; 3764 warn "running post_init jobs";
3738 (pop @POST_INIT)->(1) while @POST_INIT; 3765 (pop @POST_INIT)->(1) while @POST_INIT;
3739 3766
3740 warn "leaving sync_job"; 3767 warn "leaving sync_job";
3741 3768
3742 1 3769 1
… …
3746 }; 3773 };
3747 3774
3748 warn "reloaded"; 3775 warn "reloaded";
3749 --$RELOAD; 3776 --$RELOAD;
3750 } 3777 }
3778
3779 $t1 = EV::time - $t1;
3780 warn "reload completed in ${t1}s\n";
3751}; 3781};
3752 3782
3753our $RELOAD_WATCHER; # used only during reload 3783our $RELOAD_WATCHER; # used only during reload
3754 3784
3755sub reload_perl() { 3785sub reload_perl() {
3756 # doing reload synchronously and two reloads happen back-to-back, 3786 # doing reload synchronously and two reloads happen back-to-back,
3757 # coro crashes during coro_state_free->destroy here. 3787 # coro crashes during coro_state_free->destroy here.
3758 3788
3789 $RELOAD_WATCHER ||= cf::async {
3790 Coro::AIO::aio_wait cache_extensions;
3791
3759 $RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub { 3792 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3760 do_reload_perl; 3793 do_reload_perl;
3761 undef $RELOAD_WATCHER; 3794 undef $RELOAD_WATCHER;
3795 };
3762 }; 3796 };
3763} 3797}
3764 3798
3765register_command "reload" => sub { 3799register_command "reload" => sub {
3766 my ($who, $arg) = @_; 3800 my ($who, $arg) = @_;
… …
3925 LOG llevInfo, "[ABT] [suppressed]\n"; 3959 LOG llevInfo, "[ABT] [suppressed]\n";
3926 } 3960 }
3927} 3961}
3928 3962
3929# load additional modules 3963# load additional modules
3930use cf::pod; 3964require "cf/$_.pm" for @EXTRA_MODULES;
3931 3965
3932END { cf::emergency_save } 3966END { cf::emergency_save }
3933 3967
39341 39681
3935 3969

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