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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.454 by root, Thu Sep 25 12:14:32 2008 UTC vs.
Revision 1.474 by root, Thu Jul 16 21:42:56 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;
1183
1184 $filename =~ s%/[^/]+$%%;
1185 aio_pathsync $filename if $cf::USE_FSYNC;
1192 } else { 1186 } else {
1193 warn "FATAL: $filename~: $!\n"; 1187 warn "unable to save objects: $filename~: $!\n";
1194 } 1188 }
1195 } else { 1189 } else {
1196 aio_unlink $filename; 1190 aio_unlink $filename;
1197 aio_unlink "$filename.pst"; 1191 aio_unlink "$filename.pst";
1198 } 1192 }
… …
1289 my ($name, $cb) = @_; 1283 my ($name, $cb) = @_;
1290 1284
1291 $EXTICMD{$name} = $cb; 1285 $EXTICMD{$name} = $cb;
1292} 1286}
1293 1287
1288use File::Glob ();
1289
1294cf::player->attach ( 1290cf::player->attach (
1295 on_command => sub { 1291 on_command => sub {
1296 my ($pl, $name, $params) = @_; 1292 my ($pl, $name, $params) = @_;
1297 1293
1298 my $cb = $COMMAND{$name} 1294 my $cb = $COMMAND{$name}
… …
1329 } 1325 }
1330 1326
1331 cf::override; 1327 cf::override;
1332 }, 1328 },
1333); 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}
1334 1343
1335sub load_extensions { 1344sub load_extensions {
1336 cf::sync_job { 1345 cf::sync_job {
1337 my %todo; 1346 my %todo;
1338 1347
… …
1867 1876
1868 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go; 1877 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1869 "$UNIQUEDIR/$path" 1878 "$UNIQUEDIR/$path"
1870} 1879}
1871 1880
1872# and all this just because we cannot iterate over
1873# all maps in C++...
1874sub change_all_map_light {
1875 my ($change) = @_;
1876
1877 $_->change_map_light ($change)
1878 for grep $_->outdoor, values %cf::MAP;
1879}
1880
1881sub decay_objects { 1881sub decay_objects {
1882 my ($self) = @_; 1882 my ($self) = @_;
1883 1883
1884 return if $self->{deny_reset}; 1884 return if $self->{deny_reset};
1885 1885
… …
1967sub find { 1967sub find {
1968 my ($path, $origin) = @_; 1968 my ($path, $origin) = @_;
1969 1969
1970 $path = normalise $path, $origin && $origin->path; 1970 $path = normalise $path, $origin && $origin->path;
1971 1971
1972 cf::lock_wait "map_data:$path";#d#remove 1972 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1973 cf::lock_wait "map_find:$path"; 1973 my $guard2 = cf::lock_acquire "map_find:$path";
1974 1974
1975 $cf::MAP{$path} || do { 1975 $cf::MAP{$path} || do {
1976 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1977 my $guard2 = cf::lock_acquire "map_find:$path";
1978
1979 my $map = new_from_path cf::map $path 1976 my $map = new_from_path cf::map $path
1980 or return; 1977 or return;
1981 1978
1982 $map->{last_save} = $cf::RUNTIME; 1979 $map->{last_save} = $cf::RUNTIME;
1983 1980
… …
2050 2047
2051 unless ($self->{deny_activate}) { 2048 unless ($self->{deny_activate}) {
2052 $self->decay_objects; 2049 $self->decay_objects;
2053 $self->fix_auto_apply; 2050 $self->fix_auto_apply;
2054 $self->update_buttons; 2051 $self->update_buttons;
2055 cf::cede_to_tick;
2056 $self->set_darkness_map;
2057 cf::cede_to_tick; 2052 cf::cede_to_tick;
2058 $self->activate; 2053 $self->activate;
2059 } 2054 }
2060 2055
2061 $self->{last_save} = $cf::RUNTIME; 2056 $self->{last_save} = $cf::RUNTIME;
… …
2403 2398
2404our $SAY_CHANNEL = { 2399our $SAY_CHANNEL = {
2405 id => "say", 2400 id => "say",
2406 title => "Map", 2401 title => "Map",
2407 reply => "say ", 2402 reply => "say ",
2408 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.",
2409}; 2404};
2410 2405
2411our $CHAT_CHANNEL = { 2406our $CHAT_CHANNEL = {
2412 id => "chat", 2407 id => "chat",
2413 title => "Chat", 2408 title => "Chat",
… …
2788 id => "infobox", 2783 id => "infobox",
2789 title => "Body Parts", 2784 title => "Body Parts",
2790 reply => undef, 2785 reply => undef,
2791 tooltip => "Shows which body parts you posess and are available", 2786 tooltip => "Shows which body parts you posess and are available",
2792 }, 2787 },
2788 "c/statistics" => {
2789 id => "infobox",
2790 title => "Statistics",
2791 reply => undef,
2792 tooltip => "Shows your primary statistics",
2793 },
2793 "c/skills" => { 2794 "c/skills" => {
2794 id => "infobox", 2795 id => "infobox",
2795 title => "Skills", 2796 title => "Skills",
2796 reply => undef, 2797 reply => undef,
2797 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",
2798 }, 2823 },
2799 "c/uptime" => { 2824 "c/uptime" => {
2800 id => "infobox", 2825 id => "infobox",
2801 title => "Uptime", 2826 title => "Uptime",
2802 reply => undef, 2827 reply => undef,
… …
2812 id => "party", 2837 id => "party",
2813 title => "Party", 2838 title => "Party",
2814 reply => "gsay ", 2839 reply => "gsay ",
2815 tooltip => "Messages and chat related to your party", 2840 tooltip => "Messages and chat related to your party",
2816 }, 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" => $CHAT_CHANNEL,
2817); 2850);
2818 2851
2819sub cf::client::send_msg { 2852sub cf::client::send_msg {
2820 my ($self, $channel, $msg, $color, @extra) = @_; 2853 my ($self, $channel, $msg, $color, @extra) = @_;
2821 2854
… …
2826 2859
2827 # check predefined channels, for the benefit of C 2860 # check predefined channels, for the benefit of C
2828 if ($CHANNEL{$channel}) { 2861 if ($CHANNEL{$channel}) {
2829 $channel = $CHANNEL{$channel}; 2862 $channel = $CHANNEL{$channel};
2830 2863
2831 $self->ext_msg (channel_info => $channel) 2864 $self->ext_msg (channel_info => $channel);
2832 if $self->can_msg;
2833
2834 $channel = $channel->{id}; 2865 $channel = $channel->{id};
2835 2866
2836 } elsif (ref $channel) { 2867 } elsif (ref $channel) {
2837 # send meta info to client, if not yet sent 2868 # send meta info to client, if not yet sent
2838 unless (exists $self->{channel}{$channel->{id}}) { 2869 unless (exists $self->{channel}{$channel->{id}}) {
2839 $self->{channel}{$channel->{id}} = $channel; 2870 $self->{channel}{$channel->{id}} = $channel;
2840 $self->ext_msg (channel_info => $channel) 2871 $self->ext_msg (channel_info => $channel);
2841 if $self->can_msg;
2842 } 2872 }
2843 2873
2844 $channel = $channel->{id}; 2874 $channel = $channel->{id};
2845 } 2875 }
2846 2876
2847 return unless @extra || length $msg; 2877 return unless @extra || length $msg;
2848 2878
2849 if ($self->can_msg) {
2850 # default colour, mask it out 2879 # default colour, mask it out
2851 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2880 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2852 if $color & cf::NDI_DEF; 2881 if $color & cf::NDI_DEF;
2853 2882
2854 my $pkt = "msg " 2883 my $pkt = "msg "
2855 . $self->{json_coder}->encode ( 2884 . $self->{json_coder}->encode (
2856 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra] 2885 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2857 ); 2886 );
2858 2887
2859 # try lzf for large packets 2888 # try lzf for large packets
2860 $pkt = "lzf " . Compress::LZF::compress $pkt 2889 $pkt = "lzf " . Compress::LZF::compress $pkt
2861 if 1024 <= length $pkt and $self->{can_lzf}; 2890 if 1024 <= length $pkt and $self->{can_lzf};
2862 2891
2863 # split very large packets 2892 # split very large packets
2864 if (8192 < length $pkt and $self->{can_lzf}) { 2893 if (8192 < length $pkt and $self->{can_lzf}) {
2865 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt; 2894 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2866 $pkt = "frag"; 2895 $pkt = "frag";
2867 } 2896 }
2868 2897
2869 $self->send_packet ($pkt); 2898 $self->send_packet ($pkt);
2870 } else {
2871 if ($color >= 0) {
2872 # replace some tags by gcfclient-compatible ones
2873 for ($msg) {
2874 1 while
2875 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2876 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2877 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2878 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2879 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2880 }
2881
2882 $color &= cf::NDI_COLOR_MASK;
2883
2884 utf8::encode $msg;
2885
2886 if (0 && $msg =~ /\[/) {
2887 # COMMAND/INFO
2888 $self->send_packet ("drawextinfo $color 10 8 $msg")
2889 } else {
2890 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2891 $self->send_packet ("drawinfo $color $msg")
2892 }
2893 }
2894 }
2895} 2899}
2896 2900
2897=item $client->ext_msg ($type, @msg) 2901=item $client->ext_msg ($type, @msg)
2898 2902
2899Sends an ext event to the client. 2903Sends an ext event to the client.
… …
3074The following functions and methods are available within a safe environment: 3078The following functions and methods are available within a safe environment:
3075 3079
3076 cf::object 3080 cf::object
3077 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
3078 insert remove name archname title slaying race decrease split 3082 insert remove name archname title slaying race decrease split
3083 value
3079 3084
3080 cf::object::player 3085 cf::object::player
3081 player 3086 player
3082 3087
3083 cf::player 3088 cf::player
… …
3089=cut 3094=cut
3090 3095
3091for ( 3096for (
3092 ["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
3093 insert remove inv nrof name archname title slaying race 3098 insert remove inv nrof name archname title slaying race
3094 decrease split destroy change_exp)], 3099 decrease split destroy change_exp value msg lore send_msg)],
3095 ["cf::object::player" => qw(player)], 3100 ["cf::object::player" => qw(player)],
3096 ["cf::player" => qw(peaceful)], 3101 ["cf::player" => qw(peaceful send_msg)],
3097 ["cf::map" => qw(trigger)], 3102 ["cf::map" => qw(trigger)],
3098) { 3103) {
3099 no strict 'refs'; 3104 no strict 'refs';
3100 my ($pkg, @funs) = @$_; 3105 my ($pkg, @funs) = @$_;
3101 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3106 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
3118 my ($code, %vars) = @_; 3123 my ($code, %vars) = @_;
3119 3124
3120 my $qcode = $code; 3125 my $qcode = $code;
3121 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3126 $qcode =~ s/"/‟/g; # not allowed in #line filenames
3122 $qcode =~ s/\n/\\n/g; 3127 $qcode =~ s/\n/\\n/g;
3128
3129 %vars = (_dummy => 0) unless %vars;
3123 3130
3124 local $_; 3131 local $_;
3125 local @safe::cf::_safe_eval_args = values %vars; 3132 local @safe::cf::_safe_eval_args = values %vars;
3126 3133
3127 my $eval = 3134 my $eval =
… …
3397 3404
3398 seek $fh, 0, 0; 3405 seek $fh, 0, 0;
3399 print $fh $$; 3406 print $fh $$;
3400} 3407}
3401 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
3402sub main { 3418sub main {
3403 cf::init_globals; # initialise logging 3419 cf::init_globals; # initialise logging
3404 3420
3405 LOG llevInfo, "Welcome to Deliantra, v" . VERSION; 3421 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3406 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.";
… …
3409 3425
3410 cf::init_experience; 3426 cf::init_experience;
3411 cf::init_anim; 3427 cf::init_anim;
3412 cf::init_attackmess; 3428 cf::init_attackmess;
3413 cf::init_dynamic; 3429 cf::init_dynamic;
3414 cf::init_block;
3415 3430
3416 $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
3417 3432
3418 # we must not ever block the main coroutine 3433 # we must not ever block the main coroutine
3419 local $Coro::idle = sub { 3434 local $Coro::idle = sub {
… …
3450 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD}; 3465 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3451 3466
3452 (pop @POST_INIT)->(0) while @POST_INIT; 3467 (pop @POST_INIT)->(0) while @POST_INIT;
3453 }; 3468 };
3454 3469
3455 EV::loop; 3470 main_loop;
3456} 3471}
3457 3472
3458############################################################################# 3473#############################################################################
3459# initialisation and cleanup 3474# initialisation and cleanup
3460 3475
… …
3518 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644 3533 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3519 or return; 3534 or return;
3520 3535
3521 my $value = uuid_seq uuid_cur; 3536 my $value = uuid_seq uuid_cur;
3522 3537
3523 if ($value < 1024) { 3538 unless ($value) {
3524 warn "cowardly refusing to write low uuid value ($value)!\n"; 3539 warn "cowardly refusing to write zero uuid value!\n";
3525 return; 3540 return;
3526 } 3541 }
3527 3542
3528 my $value = uuid_str $value + $uuid_skip; 3543 my $value = uuid_str $value + $uuid_skip;
3529 $uuid_skip = 0; 3544 $uuid_skip = 0;
… …
3555} 3570}
3556 3571
3557sub emergency_save() { 3572sub emergency_save() {
3558 my $freeze_guard = cf::freeze_mainloop; 3573 my $freeze_guard = cf::freeze_mainloop;
3559 3574
3560 warn "enter emergency perl save\n"; 3575 warn "emergency_perl_save: enter\n";
3561 3576
3562 cf::sync_job { 3577 cf::sync_job {
3578 # this is a trade-off: we want to be very quick here, so
3579 # save all maps without fsync, and later call a global sync
3580 # (which in turn might be very very slow)
3581 local $USE_FSYNC = 0;
3582
3563 # use a peculiar iteration method to avoid tripping on perl 3583 # use a peculiar iteration method to avoid tripping on perl
3564 # refcount bugs in for. also avoids problems with players 3584 # refcount bugs in for. also avoids problems with players
3565 # and maps saved/destroyed asynchronously. 3585 # and maps saved/destroyed asynchronously.
3566 warn "begin emergency player save\n"; 3586 warn "emergency_perl_save: begin player save\n";
3567 for my $login (keys %cf::PLAYER) { 3587 for my $login (keys %cf::PLAYER) {
3568 my $pl = $cf::PLAYER{$login} or next; 3588 my $pl = $cf::PLAYER{$login} or next;
3569 $pl->valid or next; 3589 $pl->valid or next;
3570 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3590 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3571 $pl->save; 3591 $pl->save;
3572 } 3592 }
3573 warn "end emergency player save\n"; 3593 warn "emergency_perl_save: end player save\n";
3574 3594
3575 warn "begin emergency map save\n"; 3595 warn "emergency_perl_save: begin map save\n";
3576 for my $path (keys %cf::MAP) { 3596 for my $path (keys %cf::MAP) {
3577 my $map = $cf::MAP{$path} or next; 3597 my $map = $cf::MAP{$path} or next;
3578 $map->valid or next; 3598 $map->valid or next;
3579 $map->save; 3599 $map->save;
3580 } 3600 }
3581 warn "end emergency map save\n"; 3601 warn "emergency_perl_save: end map save\n";
3582 3602
3583 warn "begin emergency database checkpoint\n"; 3603 warn "emergency_perl_save: begin database checkpoint\n";
3584 BDB::db_env_txn_checkpoint $DB_ENV; 3604 BDB::db_env_txn_checkpoint $DB_ENV;
3585 warn "end emergency database checkpoint\n"; 3605 warn "emergency_perl_save: end database checkpoint\n";
3586 3606
3587 warn "begin write uuid\n"; 3607 warn "emergency_perl_save: begin write uuid\n";
3588 write_uuid_sync 1; 3608 write_uuid_sync 1;
3589 warn "end write uuid\n"; 3609 warn "emergency_perl_save: end write uuid\n";
3590 }; 3610 };
3591 3611
3612 warn "emergency_perl_save: starting sync()\n";
3613 IO::AIO::aio_sync sub {
3614 warn "emergency_perl_save: finished sync()\n";
3615 };
3616
3592 warn "leave emergency perl save\n"; 3617 warn "emergency_perl_save: leave\n";
3593} 3618}
3594 3619
3595sub post_cleanup { 3620sub post_cleanup {
3596 my ($make_core) = @_; 3621 my ($make_core) = @_;
3597 3622
… …
3634 warn "can only reload from main coroutine"; 3659 warn "can only reload from main coroutine";
3635 return; 3660 return;
3636 } 3661 }
3637 3662
3638 return if $RELOAD++; 3663 return if $RELOAD++;
3664
3665 my $t1 = EV::time;
3639 3666
3640 while ($RELOAD) { 3667 while ($RELOAD) {
3641 warn "reloading..."; 3668 warn "reloading...";
3642 3669
3643 warn "entering sync_job"; 3670 warn "entering sync_job";
… …
3704 clear_package "safe::$_" 3731 clear_package "safe::$_"
3705 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3732 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3706 3733
3707 warn "unloading cf.pm \"a bit\""; 3734 warn "unloading cf.pm \"a bit\"";
3708 delete $INC{"cf.pm"}; 3735 delete $INC{"cf.pm"};
3709 delete $INC{"cf/pod.pm"}; 3736 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3710 3737
3711 # don't, removes xs symbols, too, 3738 # don't, removes xs symbols, too,
3712 # and global variables created in xs 3739 # and global variables created in xs
3713 #clear_package __PACKAGE__; 3740 #clear_package __PACKAGE__;
3714 3741
… …
3722 cf::reload_config; 3749 cf::reload_config;
3723 3750
3724 warn "loading extensions"; 3751 warn "loading extensions";
3725 cf::load_extensions; 3752 cf::load_extensions;
3726 3753
3754 if ($REATTACH_ON_RELOAD) {
3727 warn "reattaching attachments to objects/players"; 3755 warn "reattaching attachments to objects/players";
3728 _global_reattach; # objects, sockets 3756 _global_reattach; # objects, sockets
3729 warn "reattaching attachments to maps"; 3757 warn "reattaching attachments to maps";
3730 reattach $_ for values %MAP; 3758 reattach $_ for values %MAP;
3731 warn "reattaching attachments to players"; 3759 warn "reattaching attachments to players";
3732 reattach $_ for values %PLAYER; 3760 reattach $_ for values %PLAYER;
3761 }
3733 3762
3734 warn "running post_load"; 3763 warn "running post_init jobs";
3735 (pop @POST_INIT)->(1) while @POST_INIT; 3764 (pop @POST_INIT)->(1) while @POST_INIT;
3736 3765
3737 warn "leaving sync_job"; 3766 warn "leaving sync_job";
3738 3767
3739 1 3768 1
… …
3743 }; 3772 };
3744 3773
3745 warn "reloaded"; 3774 warn "reloaded";
3746 --$RELOAD; 3775 --$RELOAD;
3747 } 3776 }
3777
3778 $t1 = EV::time - $t1;
3779 warn "reload completed in ${t1}s\n";
3748}; 3780};
3749 3781
3750our $RELOAD_WATCHER; # used only during reload 3782our $RELOAD_WATCHER; # used only during reload
3751 3783
3752sub reload_perl() { 3784sub reload_perl() {
3753 # doing reload synchronously and two reloads happen back-to-back, 3785 # doing reload synchronously and two reloads happen back-to-back,
3754 # coro crashes during coro_state_free->destroy here. 3786 # coro crashes during coro_state_free->destroy here.
3755 3787
3788 $RELOAD_WATCHER ||= cf::async {
3789 Coro::AIO::aio_wait cache_extensions;
3790
3756 $RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub { 3791 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3757 do_reload_perl; 3792 do_reload_perl;
3758 undef $RELOAD_WATCHER; 3793 undef $RELOAD_WATCHER;
3794 };
3759 }; 3795 };
3760} 3796}
3761 3797
3762register_command "reload" => sub { 3798register_command "reload" => sub {
3763 my ($who, $arg) = @_; 3799 my ($who, $arg) = @_;
… …
3922 LOG llevInfo, "[ABT] [suppressed]\n"; 3958 LOG llevInfo, "[ABT] [suppressed]\n";
3923 } 3959 }
3924} 3960}
3925 3961
3926# load additional modules 3962# load additional modules
3927use cf::pod; 3963require "cf/$_.pm" for @EXTRA_MODULES;
3928 3964
3929END { cf::emergency_save } 3965END { cf::emergency_save }
3930 3966
39311 39671
3932 3968

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