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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.254 by root, Thu Apr 19 11:12:45 2007 UTC

3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket;
8use Storable; 9use Storable;
10use Event;
9use Opcode; 11use Opcode;
10use Safe; 12use Safe;
11use Safe::Hole; 13use Safe::Hole;
12 14
13use Coro 3.5 (); 15use Coro 3.61 ();
16use Coro::State;
17use Coro::Handle;
14use Coro::Event; 18use Coro::Event;
15use Coro::Timer; 19use Coro::Timer;
16use Coro::Signal; 20use Coro::Signal;
17use Coro::Semaphore; 21use Coro::Semaphore;
18use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable;
19 24
25use BDB ();
20use Data::Dumper; 26use Data::Dumper;
21use Digest::MD5; 27use Digest::MD5;
22use Fcntl; 28use Fcntl;
29use YAML::Syck ();
23use IO::AIO 2.32 (); 30use IO::AIO 2.32 ();
24use YAML::Syck ();
25use Time::HiRes; 31use Time::HiRes;
32use Compress::LZF;
26 33
34# configure various modules to our taste
35#
36$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 40$Event::Eval = 1; # no idea why this is required, but it is
28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 41
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1; 43$YAML::Syck::ImplicitUnicode = 1;
33 44
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35 48
36our %COMMAND = (); 49our %COMMAND = ();
37our %COMMAND_TIME = (); 50our %COMMAND_TIME = ();
38 51
39our @EXTS = (); # list of extension package names 52our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 53our %EXTCMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 54our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 55our %EXT_MAP = (); # pluggable maps
43 56
57our $RELOAD; # number of reloads so far
44our @EVENT; 58our @EVENT;
45our $LIBDIR = datadir . "/ext";
46 59
47our $TICK = MAX_TIME * 1e-6; 60our $CONFDIR = confdir;
61our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db";
71
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48our $TICK_WATCHER; 73our $TICK_WATCHER;
49our $AIO_POLL_WATCHER; 74our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER; 75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 76our $NEXT_TICK;
52our $NOW; 77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off
79
80our $BDB_POLL_WATCHER;
81our $DB_ENV;
53 82
54our %CFG; 83our %CFG;
55 84
56our $UPTIME; $UPTIME ||= time; 85our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 86our $RUNTIME;
58 87
59our %PLAYER; # all users 88our %PLAYER; # all users
60our %MAP; # all maps 89our %MAP; # all maps
61our $LINK_MAP; # the special {link} map, which is always available 90our $LINK_MAP; # the special {link} map, which is always available
62our $RANDOM_MAPS = cf::localdir . "/random";
63
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66 91
67# used to convert map paths into valid unix filenames by replacing / by ∕ 92# used to convert map paths into valid unix filenames by replacing / by ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69 94
70binmode STDOUT; 95binmode STDOUT;
71binmode STDERR; 96binmode STDERR;
72 97
73# read virtual server time, if available 98# read virtual server time, if available
74unless ($RUNTIME || !-e cf::localdir . "/runtime") { 99unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75 open my $fh, "<", cf::localdir . "/runtime" 100 open my $fh, "<", "$LOCALDIR/runtime"
76 or die "unable to read runtime file: $!"; 101 or die "unable to read runtime file: $!";
77 $RUNTIME = <$fh> + 0.; 102 $RUNTIME = <$fh> + 0.;
78} 103}
79 104
80mkdir cf::localdir; 105mkdir $_
81mkdir cf::localdir . "/" . cf::playerdir; 106 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82mkdir cf::localdir . "/" . cf::tmpdir;
83mkdir cf::localdir . "/" . cf::uniquedir;
84mkdir $RANDOM_MAPS;
85 107
86our $EMERGENCY_POSITION; 108our $EMERGENCY_POSITION;
87 109
88sub cf::map::normalise; 110sub cf::map::normalise;
89 111
100=item $cf::RUNTIME 122=item $cf::RUNTIME
101 123
102The time this server has run, starts at 0 and is increased by $cf::TICK on 124The time this server has run, starts at 0 and is increased by $cf::TICK on
103every server tick. 125every server tick.
104 126
105=item $cf::LIBDIR 127=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
128$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
129$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106 130
107The perl library directory, where extensions and cf-specific modules can 131Various directories - "/etc", read-only install directory, perl-library
108be found. It will be added to C<@INC> automatically. 132directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
133unique-items directory, player file directory, random maps directory and
134database environment.
109 135
110=item $cf::NOW 136=item $cf::NOW
111 137
112The time of the last (current) server tick. 138The time of the last (current) server tick.
113 139
118=item %cf::CFG 144=item %cf::CFG
119 145
120Configuration for the server, loaded from C</etc/crossfire/config>, or 146Configuration for the server, loaded from C</etc/crossfire/config>, or
121from wherever your confdir points to. 147from wherever your confdir points to.
122 148
123=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 149=item cf::wait_for_tick, cf::wait_for_tick_begin
124 150
125These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 151These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 152returns directly I<after> the tick processing (and consequently, can only wake one process
127processing has been done. Call C<< ->wait >> on them to maximise the 153per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128window of cpu time available, or simply to synchronise to the server tick.
129 154
130=back 155=back
131 156
132=cut 157=cut
133 158
134BEGIN { 159BEGIN {
135 *CORE::GLOBAL::warn = sub { 160 *CORE::GLOBAL::warn = sub {
136 my $msg = join "", @_; 161 my $msg = join "", @_;
137 utf8::encode $msg;
138 162
139 $msg .= "\n" 163 $msg .= "\n"
140 unless $msg =~ /\n$/; 164 unless $msg =~ /\n$/;
141 165
166 $msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167
168 utf8::encode $msg;
142 LOG llevError, $msg; 169 LOG llevError, $msg;
143 }; 170 };
144} 171}
145 172
146@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 173@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
192 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 219 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193 $d 220 $d
194 } || "[unable to dump $_[0]: '$@']"; 221 } || "[unable to dump $_[0]: '$@']";
195} 222}
196 223
197use JSON::Syck (); # TODO# replace by JSON::PC once working 224use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
198 225
199=item $ref = cf::from_json $json 226=item $ref = cf::from_json $json
200 227
201Converts a JSON string into the corresponding perl data structure. 228Converts a JSON string into the corresponding perl data structure.
202 229
203=cut
204
205sub from_json($) {
206 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207 JSON::Syck::Load $_[0]
208}
209
210=item $json = cf::to_json $ref 230=item $json = cf::to_json $ref
211 231
212Converts a perl data structure into its JSON representation. 232Converts a perl data structure into its JSON representation.
213
214=cut
215
216sub to_json($) {
217 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
218 JSON::Syck::Dump $_[0]
219}
220 233
221=item cf::lock_wait $string 234=item cf::lock_wait $string
222 235
223Wait until the given lock is available. See cf::lock_acquire. 236Wait until the given lock is available. See cf::lock_acquire.
224 237
230returned. 243returned.
231 244
232Lock names should begin with a unique identifier (for example, cf::map::find 245Lock names should begin with a unique identifier (for example, cf::map::find
233uses map_find and cf::map::load uses map_load). 246uses map_find and cf::map::load uses map_load).
234 247
248=item $locked = cf::lock_active $string
249
250Return true if the lock is currently active, i.e. somebody has locked it.
251
235=cut 252=cut
236 253
237our %LOCK; 254our %LOCK;
238 255
239sub lock_wait($) { 256sub lock_wait($) {
258 # wake up all waiters, to be on the safe side 275 # wake up all waiters, to be on the safe side
259 $_->ready for @{ delete $LOCK{$key} }; 276 $_->ready for @{ delete $LOCK{$key} };
260 } 277 }
261} 278}
262 279
280sub lock_active($) {
281 my ($key) = @_;
282
283 ! ! $LOCK{$key}
284}
285
263sub freeze_mainloop { 286sub freeze_mainloop {
264 return unless $TICK_WATCHER->is_active; 287 return unless $TICK_WATCHER->is_active;
265 288
266 my $guard = Coro::guard { 289 my $guard = Coro::guard {
267 $TICK_WATCHER->start; 290 $TICK_WATCHER->start;
268 $WRITE_RUNTIME_WATCHER->start;
269 }; 291 };
270 $WRITE_RUNTIME_WATCHER->stop;
271 $TICK_WATCHER->stop; 292 $TICK_WATCHER->stop;
272 $guard 293 $guard
273} 294}
274 295
275=item cf::async { BLOCK } 296=item cf::async { BLOCK }
346 367
347 $coro 368 $coro
348} 369}
349 370
350sub write_runtime { 371sub write_runtime {
351 my $runtime = cf::localdir . "/runtime"; 372 my $guard = cf::lock_acquire "write_runtime";
373
374 my $runtime = "$LOCALDIR/runtime";
352 375
353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 376 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
354 or return; 377 or return;
355 378
356 my $value = $cf::RUNTIME + 90 + 10; 379 my $value = $cf::RUNTIME + 90 + 10;
358 # 60 allows for the watchdog to kill the server. 381 # 60 allows for the watchdog to kill the server.
359 382
360 (aio_write $fh, 0, (length $value), $value, 0) <= 0 383 (aio_write $fh, 0, (length $value), $value, 0) <= 0
361 and return; 384 and return;
362 385
386 # always fsync - this file is important
363 aio_fsync $fh 387 aio_fsync $fh
364 and return; 388 and return;
365 389
366 close $fh 390 close $fh
367 or return; 391 or return;
368 392
369 aio_rename "$runtime~", $runtime 393 aio_rename "$runtime~", $runtime
370 and return; 394 and return;
371 395
372 1 396 1
397}
398
399=item cf::datalog type => key => value, ...
400
401Log a datalog packet of the given type with the given key-value pairs.
402
403=cut
404
405sub datalog($@) {
406 my ($type, %kv) = @_;
407 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373} 408}
374 409
375=back 410=back
376 411
377=cut 412=cut
752 $filename, length $$rdata, scalar @$objs; 787 $filename, length $$rdata, scalar @$objs;
753 788
754 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 789 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755 chmod SAVE_MODE, $fh; 790 chmod SAVE_MODE, $fh;
756 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 791 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757 aio_fsync $fh; 792 aio_fsync $fh if $cf::USE_FSYNC;
758 close $fh; 793 close $fh;
759 794
760 if (@$objs) { 795 if (@$objs) {
761 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 796 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762 chmod SAVE_MODE, $fh; 797 chmod SAVE_MODE, $fh;
763 my $data = Storable::nfreeze { version => 1, objs => $objs }; 798 my $data = Storable::nfreeze { version => 1, objs => $objs };
764 aio_write $fh, 0, (length $data), $data, 0; 799 aio_write $fh, 0, (length $data), $data, 0;
765 aio_fsync $fh; 800 aio_fsync $fh if $cf::USE_FSYNC;
766 close $fh; 801 close $fh;
767 aio_rename "$filename.pst~", "$filename.pst"; 802 aio_rename "$filename.pst~", "$filename.pst";
768 } 803 }
769 } else { 804 } else {
770 aio_unlink "$filename.pst"; 805 aio_unlink "$filename.pst";
776 } 811 }
777 } else { 812 } else {
778 aio_unlink $filename; 813 aio_unlink $filename;
779 aio_unlink "$filename.pst"; 814 aio_unlink "$filename.pst";
780 } 815 }
781
782 #d##TODO# nuke non .map-files if exist
783 if ($filename =~ s/\.map$//) {
784 aio_unlink $filename;
785 aio_unlink "$filename.pst";
786 }
787 } 816 }
788} 817}
789 818
790sub object_freezer_as_string { 819sub object_freezer_as_string {
791 my ($rdata, $objs) = @_; 820 my ($rdata, $objs) = @_;
797 826
798sub object_thawer_load { 827sub object_thawer_load {
799 my ($filename) = @_; 828 my ($filename) = @_;
800 829
801 my ($data, $av); 830 my ($data, $av);
802
803 #d#TODO remove .map if file does not exist
804 aio_stat $filename and $filename =~ s/\.map$//;
805 831
806 (aio_load $filename, $data) >= 0 832 (aio_load $filename, $data) >= 0
807 or return; 833 or return;
808 834
809 unless (aio_stat "$filename.pst") { 835 unless (aio_stat "$filename.pst") {
948Returns the given player object, loading it if necessary (might block). 974Returns the given player object, loading it if necessary (might block).
949 975
950=cut 976=cut
951 977
952sub playerdir($) { 978sub playerdir($) {
953 cf::localdir 979 "$PLAYERDIR/"
954 . "/"
955 . cf::playerdir
956 . "/"
957 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 980 . (ref $_[0] ? $_[0]->ob->name : $_[0])
958} 981}
959 982
960sub path($) { 983sub path($) {
961 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 984 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962 985
963 (playerdir $login) . "/$login.pl" 986 (playerdir $login) . "/playerdata"
964} 987}
965 988
966sub find_active($) { 989sub find_active($) {
967 $cf::PLAYER{$_[0]} 990 $cf::PLAYER{$_[0]}
968 and $cf::PLAYER{$_[0]}->active 991 and $cf::PLAYER{$_[0]}->active
981 my $login = $_[0]; 1004 my $login = $_[0];
982 1005
983 my $guard = cf::lock_acquire "user_find:$login"; 1006 my $guard = cf::lock_acquire "user_find:$login";
984 1007
985 $cf::PLAYER{$_[0]} || do { 1008 $cf::PLAYER{$_[0]} || do {
1009 # rename old playerfiles to new ones
1010 #TODO: remove when no longer required
1011 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014 aio_unlink +(playerdir $login) . "/$login.pl";
1015
986 my $pl = load_pl path $login 1016 my $pl = load_pl path $login
987 or return; 1017 or return;
988 $cf::PLAYER{$login} = $pl 1018 $cf::PLAYER{$login} = $pl
989 } 1019 }
990 } 1020 }
1027 1057
1028=cut 1058=cut
1029 1059
1030sub quit_character { 1060sub quit_character {
1031 my ($pl) = @_; 1061 my ($pl) = @_;
1062
1063 my $name = $pl->ob->name;
1032 1064
1033 $pl->{deny_save} = 1; 1065 $pl->{deny_save} = 1;
1034 $pl->password ("*"); # this should lock out the player until we nuked the dir 1066 $pl->password ("*"); # this should lock out the player until we nuked the dir
1035 1067
1036 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1068 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1041 my $path = playerdir $pl; 1073 my $path = playerdir $pl;
1042 my $temp = "$path~$cf::RUNTIME~deleting~"; 1074 my $temp = "$path~$cf::RUNTIME~deleting~";
1043 aio_rename $path, $temp; 1075 aio_rename $path, $temp;
1044 delete $cf::PLAYER{$pl->ob->name}; 1076 delete $cf::PLAYER{$pl->ob->name};
1045 $pl->destroy; 1077 $pl->destroy;
1078
1079 my $prefix = qr<^~\Q$name\E/>;
1080
1081 # nuke player maps
1082 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1083
1046 IO::AIO::aio_rmtree $temp; 1084 IO::AIO::aio_rmtree $temp;
1085}
1086
1087=item $pl->kick
1088
1089Kicks a player out of the game. This destroys the connection.
1090
1091=cut
1092
1093sub kick {
1094 my ($pl, $kicker) = @_;
1095
1096 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1097 $pl->killer ("kicked");
1098 $pl->ns->destroy;
1047} 1099}
1048 1100
1049=item cf::player::list_logins 1101=item cf::player::list_logins
1050 1102
1051Returns am arrayref of all valid playernames in the system, can take a 1103Returns am arrayref of all valid playernames in the system, can take a
1052while and may block, so not sync_job-capable, ever. 1104while and may block, so not sync_job-capable, ever.
1053 1105
1054=cut 1106=cut
1055 1107
1056sub list_logins { 1108sub list_logins {
1057 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1109 my $dirs = aio_readdir $PLAYERDIR
1058 or return []; 1110 or return [];
1059 1111
1060 my @logins; 1112 my @logins;
1061 1113
1062 for my $login (@$dirs) { 1114 for my $login (@$dirs) {
1079=cut 1131=cut
1080 1132
1081sub maps($) { 1133sub maps($) {
1082 my ($pl) = @_; 1134 my ($pl) = @_;
1083 1135
1136 $pl = ref $pl ? $pl->ob->name : $pl;
1137
1084 my $files = aio_readdir playerdir $pl 1138 my $files = aio_readdir playerdir $pl
1085 or return; 1139 or return;
1086 1140
1087 my @paths; 1141 my @paths;
1088 1142
1089 for (@$files) { 1143 for (@$files) {
1090 utf8::decode $_; 1144 utf8::decode $_;
1091 next if /\.(?:pl|pst)$/; 1145 next if /\.(?:pl|pst)$/;
1092 next unless /^$PATH_SEP/o; 1146 next unless /^$PATH_SEP/o;
1093 1147
1094 push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_; 1148 push @paths, cf::map::normalise "~$pl/$_";
1095 } 1149 }
1096 1150
1097 \@paths 1151 \@paths
1098} 1152}
1099 1153
1100=item $player->ext_reply ($msgid, $msgtype, %msg) 1154=item $player->ext_reply ($msgid, %msg)
1101 1155
1102Sends an ext reply to the player. 1156Sends an ext reply to the player.
1103 1157
1104=cut 1158=cut
1105 1159
1106sub ext_reply($$$%) { 1160sub ext_reply($$%) {
1107 my ($self, $id, %msg) = @_; 1161 my ($self, $id, %msg) = @_;
1108 1162
1109 $msg{msgid} = $id; 1163 $msg{msgid} = $id;
1110 1164
1111 $self->send ("ext " . cf::to_json \%msg); 1165 $self->send ("ext " . cf::to_json \%msg);
1112} 1166}
1113 1167
1114package cf; 1168=item $player->ext_event ($type, %msg)
1169
1170Sends an ext event to the client.
1171
1172=cut
1173
1174sub ext_event($$%) {
1175 my ($self, $type, %msg) = @_;
1176
1177 $self->ns->ext_event ($type, %msg);
1178}
1179
1180=head3 cf::region
1181
1182=over 4
1183
1184=cut
1185
1186package cf::region;
1187
1188=item cf::region::find_by_path $path
1189
1190Tries to decuce the probable region for a map knowing only its path.
1191
1192=cut
1193
1194sub find_by_path($) {
1195 my ($path) = @_;
1196
1197 my ($match, $specificity);
1198
1199 for my $region (list) {
1200 if ($region->match && $path =~ $region->match) {
1201 ($match, $specificity) = ($region, $region->specificity)
1202 if $region->specificity > $specificity;
1203 }
1204 }
1205
1206 $match
1207}
1115 1208
1116=back 1209=back
1117
1118 1210
1119=head3 cf::map 1211=head3 cf::map
1120 1212
1121=over 4 1213=over 4
1122 1214
1260 1352
1261# the original (read-only) location 1353# the original (read-only) location
1262sub load_path { 1354sub load_path {
1263 my ($self) = @_; 1355 my ($self) = @_;
1264 1356
1265 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1357 "$MAPDIR/$self->{path}.map"
1266} 1358}
1267 1359
1268# the temporary/swap location 1360# the temporary/swap location
1269sub save_path { 1361sub save_path {
1270 my ($self) = @_; 1362 my ($self) = @_;
1271 1363
1272 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1364 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1273 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1365 "$TMPDIR/$path.map"
1274} 1366}
1275 1367
1276# the unique path, undef == no special unique path 1368# the unique path, undef == no special unique path
1277sub uniq_path { 1369sub uniq_path {
1278 my ($self) = @_; 1370 my ($self) = @_;
1279 1371
1280 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1372 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1281 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1373 "$UNIQUEDIR/$path"
1282} 1374}
1283 1375
1284# and all this just because we cannot iterate over 1376# and all this just because we cannot iterate over
1285# all maps in C++... 1377# all maps in C++...
1286sub change_all_map_light { 1378sub change_all_map_light {
1294 my ($self) = @_; 1386 my ($self) = @_;
1295 1387
1296 utf8::encode (my $save = $self->save_path); 1388 utf8::encode (my $save = $self->save_path);
1297 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1389 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1390 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300 #d#TODO remove .map and also nuke
1301 $save =~ s/\.map// or return;#d#
1302 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304} 1391}
1305 1392
1306sub load_header_from($) { 1393sub load_header_from($) {
1307 my ($self, $path) = @_; 1394 my ($self, $path) = @_;
1308 1395
1358 $self->load_header_orig 1445 $self->load_header_orig
1359 or return; 1446 or return;
1360 $self->prepare_orig; 1447 $self->prepare_orig;
1361 } 1448 }
1362 1449
1450 $self->default_region (cf::region::find_by_path $self->{path})
1451 unless $self->default_region;
1452
1363 1 1453 1
1364} 1454}
1365 1455
1366sub find; 1456sub find;
1367sub find { 1457sub find {
1409 $self->in_memory (cf::MAP_LOADING); 1499 $self->in_memory (cf::MAP_LOADING);
1410 1500
1411 $self->alloc; 1501 $self->alloc;
1412 1502
1413 $self->pre_load; 1503 $self->pre_load;
1504 Coro::cede;
1414 1505
1415 $self->_load_objects ($self->{load_path}, 1) 1506 $self->_load_objects ($self->{load_path}, 1)
1416 or return; 1507 or return;
1417 1508
1418 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1509 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1425 $self->_load_objects ($uniq, 0); 1516 $self->_load_objects ($uniq, 0);
1426 } 1517 }
1427 } 1518 }
1428 1519
1429 Coro::cede; 1520 Coro::cede;
1430
1431 # now do the right thing for maps 1521 # now do the right thing for maps
1432 $self->link_multipart_objects; 1522 $self->link_multipart_objects;
1523 Coro::cede;
1433 1524
1434 unless ($self->{deny_activate}) { 1525 unless ($self->{deny_activate}) {
1435 $self->decay_objects; 1526 $self->decay_objects;
1436 $self->fix_auto_apply; 1527 $self->fix_auto_apply;
1437 $self->update_buttons; 1528 $self->update_buttons;
1439 $self->set_darkness_map; 1530 $self->set_darkness_map;
1440 $self->difficulty ($self->estimate_difficulty) 1531 $self->difficulty ($self->estimate_difficulty)
1441 unless $self->difficulty; 1532 unless $self->difficulty;
1442 Coro::cede; 1533 Coro::cede;
1443 $self->activate; 1534 $self->activate;
1535 Coro::cede;
1444 } 1536 }
1445 1537
1446 $self->post_load; 1538 $self->post_load;
1539 Coro::cede;
1447 1540
1448 $self->in_memory (cf::MAP_IN_MEMORY); 1541 $self->in_memory (cf::MAP_IN_MEMORY);
1449} 1542}
1450 1543
1451sub customise_for { 1544sub customise_for {
1596 return if $self->players; 1689 return if $self->players;
1597 return if $self->isa ("ext::map_per_player");#d# 1690 return if $self->isa ("ext::map_per_player");#d#
1598 1691
1599 warn "resetting map ", $self->path;#d# 1692 warn "resetting map ", $self->path;#d#
1600 1693
1694 $self->in_memory (cf::MAP_SWAPPED);
1695
1696 # need to save uniques path
1697 unless ($self->{deny_save}) {
1698 my $uniq = $self->uniq_path; utf8::encode $uniq;
1699
1700 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1701 if $uniq;
1702 }
1703
1601 delete $cf::MAP{$self->path}; 1704 delete $cf::MAP{$self->path};
1602 1705
1603 $self->in_memory (cf::MAP_SWAPPED);
1604 $self->clear; 1706 $self->clear;
1605 1707
1606 $_->clear_links_to ($self) for values %cf::MAP; 1708 $_->clear_links_to ($self) for values %cf::MAP;
1607 1709
1608 $self->unlink_save; 1710 $self->unlink_save;
1635instantiated unique items. May block. 1737instantiated unique items. May block.
1636 1738
1637=cut 1739=cut
1638 1740
1639sub unique_maps() { 1741sub unique_maps() {
1640 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 1742 my $files = aio_readdir $UNIQUEDIR
1641 or return; 1743 or return;
1642 1744
1643 my @paths; 1745 my @paths;
1644 1746
1645 for (@$files) { 1747 for (@$files) {
1798 $map->load; 1900 $map->load;
1799 $map->load_diag; 1901 $map->load_diag;
1800 1902
1801 return unless $self->contr->active; 1903 return unless $self->contr->active;
1802 $self->activate_recursive; 1904 $self->activate_recursive;
1905
1906 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1803 $self->enter_map ($map, $x, $y); 1907 $self->enter_map ($map, $x, $y);
1804} 1908}
1805 1909
1806cf::player->attach ( 1910cf::player->attach (
1807 on_logout => sub { 1911 on_logout => sub {
1820 # try to abort aborted map switching on player login :) 1924 # try to abort aborted map switching on player login :)
1821 # should happen only on crashes 1925 # should happen only on crashes
1822 if ($pl->ob->{_link_pos}) { 1926 if ($pl->ob->{_link_pos}) {
1823 $pl->ob->enter_link; 1927 $pl->ob->enter_link;
1824 (async { 1928 (async {
1825 # we need this sleep as the login has a concurrent enter_exit running
1826 # and this sleep increases chances of the player not ending up in scorn
1827 $pl->ob->reply (undef, 1929 $pl->ob->reply (undef,
1828 "There was an internal problem at your last logout, " 1930 "There was an internal problem at your last logout, "
1829 . "the server will try to bring you to your intended destination in a second.", 1931 . "the server will try to bring you to your intended destination in a second.",
1830 cf::NDI_RED); 1932 cf::NDI_RED);
1933 # we need this sleep as the login has a concurrent enter_exit running
1934 # and this sleep increases chances of the player not ending up in scorn
1831 Coro::Timer::sleep 1; 1935 Coro::Timer::sleep 1;
1832 $pl->ob->leave_link; 1936 $pl->ob->leave_link;
1833 })->prio (2); 1937 })->prio (2);
1834 } 1938 }
1835 }, 1939 },
1899 2003
1900 $rmp->{random_seed} ||= $exit->random_seed; 2004 $rmp->{random_seed} ||= $exit->random_seed;
1901 2005
1902 my $data = cf::to_json $rmp; 2006 my $data = cf::to_json $rmp;
1903 my $md5 = Digest::MD5::md5_hex $data; 2007 my $md5 = Digest::MD5::md5_hex $data;
1904 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2008 my $meta = "$RANDOMDIR/$md5.meta";
1905 2009
1906 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2010 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907 aio_write $fh, 0, (length $data), $data, 0; 2011 aio_write $fh, 0, (length $data), $data, 0;
1908 undef $fh; 2012 undef $fh;
1909 aio_rename "$meta~", $meta; 2013 aio_rename "$meta~", $meta;
1918 2022
1919 return unless $self->type == cf::PLAYER; 2023 return unless $self->type == cf::PLAYER;
1920 2024
1921 if ($exit->slaying eq "/!") { 2025 if ($exit->slaying eq "/!") {
1922 #TODO: this should de-fi-ni-te-ly not be a sync-job 2026 #TODO: this should de-fi-ni-te-ly not be a sync-job
2027 # the problem is that $exit might not survive long enough
2028 # so it needs to be done right now, right here
1923 cf::sync_job { prepare_random_map $exit }; 2029 cf::sync_job { prepare_random_map $exit };
1924 } 2030 }
1925 2031
1926 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2032 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927 my $hp = $exit->stats->hp; 2033 my $hp = $exit->stats->hp;
1935 $self->goto ($slaying, $hp, $sp); 2041 $self->goto ($slaying, $hp, $sp);
1936 2042
1937 1; 2043 1;
1938 }) { 2044 }) {
1939 $self->message ("Something went wrong deep within the crossfire server. " 2045 $self->message ("Something went wrong deep within the crossfire server. "
1940 . "I'll try to bring you back to the map you were before. " 2046 . "I'll try to bring you back to the map you were before. "
1941 . "Please report this to the dungeon master!", 2047 . "Please report this to the dungeon master!",
1942 cf::NDI_UNIQUE | cf::NDI_RED); 2048 cf::NDI_UNIQUE | cf::NDI_RED);
1943 2049
1944 warn "ERROR in enter_exit: $@"; 2050 warn "ERROR in enter_exit: $@";
1945 $self->leave_link; 2051 $self->leave_link;
1946 } 2052 }
1947 })->prio (1); 2053 })->prio (1);
1960 2066
1961sub cf::client::send_drawinfo { 2067sub cf::client::send_drawinfo {
1962 my ($self, $text, $flags) = @_; 2068 my ($self, $text, $flags) = @_;
1963 2069
1964 utf8::encode $text; 2070 utf8::encode $text;
1965 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2071 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966} 2072}
1967 2073
2074=item $client->ext_event ($type, %msg)
2075
2076Sends an exti event to the client.
2077
2078=cut
2079
2080sub cf::client::ext_event($$%) {
2081 my ($self, $type, %msg) = @_;
2082
2083 $msg{msgtype} = "event_$type";
2084 $self->send_packet ("ext " . cf::to_json \%msg);
2085}
1968 2086
1969=item $success = $client->query ($flags, "text", \&cb) 2087=item $success = $client->query ($flags, "text", \&cb)
1970 2088
1971Queues a query to the client, calling the given callback with 2089Queues a query to the client, calling the given callback with
1972the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2090the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2001 # get handled first 2119 # get handled first
2002 my $queue = delete $ns->{query_queue} 2120 my $queue = delete $ns->{query_queue}
2003 or return; # be conservative, not sure how that can happen, but we saw a crash here 2121 or return; # be conservative, not sure how that can happen, but we saw a crash here
2004 2122
2005 (shift @$queue)->[1]->($msg); 2123 (shift @$queue)->[1]->($msg);
2124 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006 2125
2007 push @{ $ns->{query_queue} }, @$queue; 2126 push @{ $ns->{query_queue} }, @$queue;
2008 2127
2009 if (@{ $ns->{query_queue} } == @$queue) { 2128 if (@{ $ns->{query_queue} } == @$queue) {
2010 if (@$queue) { 2129 if (@$queue) {
2068 2187
2069# here we export the classes and methods available to script code 2188# here we export the classes and methods available to script code
2070 2189
2071=pod 2190=pod
2072 2191
2073The following fucntions and emthods are available within a safe environment: 2192The following functions and methods are available within a safe environment:
2074 2193
2075 cf::object contr pay_amount pay_player map 2194 cf::object contr pay_amount pay_player map
2076 cf::object::player player 2195 cf::object::player player
2077 cf::player peaceful 2196 cf::player peaceful
2078 cf::map trigger 2197 cf::map trigger
2163############################################################################# 2282#############################################################################
2164 2283
2165=head2 EXTENSION DATABASE SUPPORT 2284=head2 EXTENSION DATABASE SUPPORT
2166 2285
2167Crossfire maintains a very simple database for extension use. It can 2286Crossfire maintains a very simple database for extension use. It can
2168currently store anything that can be serialised using Storable, which 2287currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2169excludes objects. 2288convert to/from binary).
2170 2289
2171The parameter C<$family> should best start with the name of the extension 2290The parameter C<$family> should best start with the name of the extension
2172using it, it should be unique. 2291using it, it should be unique.
2173 2292
2174=over 4 2293=over 4
2175 2294
2176=item $hashref = cf::db_get $family
2177
2178Return a hashref for use by the extension C<$family>, which can be
2179modified. After modifications, you have to call C<cf::db_dirty> or
2180C<cf::db_sync>.
2181
2182=item $value = cf::db_get $family => $key 2295=item $value = cf::db_get $family => $key
2183 2296
2184Returns a single value from the database 2297Returns a single value from the database.
2185
2186=item cf::db_put $family => $hashref
2187
2188Stores the given family hashref into the database. Updates are delayed, if
2189you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190 2298
2191=item cf::db_put $family => $key => $value 2299=item cf::db_put $family => $key => $value
2192 2300
2193Stores the given C<$value> in the family hash. Updates are delayed, if you 2301Stores the given C<$value> in the family.
2194want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196=item cf::db_dirty
2197
2198Marks the database as dirty, to be updated at a later time.
2199
2200=item cf::db_sync
2201
2202Immediately write the database to disk I<if it is dirty>.
2203 2302
2204=cut 2303=cut
2205 2304
2206our $DB; 2305our $DB;
2207 2306
2208{ 2307sub db_init {
2209 my $path = cf::localdir . "/database.pst"; 2308 unless ($DB) {
2309 $DB = BDB::db_create $DB_ENV;
2210 2310
2211 sub db_load() { 2311 cf::sync_job {
2212 $DB = stat $path ? Storable::retrieve $path : { }; 2312 eval {
2213 } 2313 $DB->set_flags (BDB::CHKSUM);
2214 2314
2215 my $pid; 2315 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2216 2316 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2217 sub db_save() { 2317 cf::cleanup "db_open(db): $!" if $!;
2218 waitpid $pid, 0 if $pid; 2318 };
2219 if (0 == ($pid = fork)) { 2319 cf::cleanup "db_open(db): $@" if $@;
2220 $DB->{_meta}{version} = 1;
2221 Storable::nstore $DB, "$path~";
2222 rename "$path~", $path;
2223 cf::_exit 0 if defined $pid;
2224 } 2320 };
2225 } 2321 }
2322}
2226 2323
2227 my $dirty;
2228
2229 sub db_sync() {
2230 db_save if $dirty;
2231 undef $dirty;
2232 }
2233
2234 my $idle = Event->idle (
2235 reentrant => 0,
2236 min => 10,
2237 max => 20,
2238 repeat => 0,
2239 data => WF_AUTOCANCEL,
2240 cb => \&db_sync,
2241 );
2242
2243 sub db_dirty() {
2244 $dirty = 1;
2245 $idle->start;
2246 }
2247
2248 sub db_get($;$) { 2324sub db_get($$) {
2249 @_ >= 2 2325 my $key = "$_[0]/$_[1]";
2250 ? $DB->{$_[0]}{$_[1]}
2251 : ($DB->{$_[0]} ||= { })
2252 }
2253 2326
2327 cf::sync_job {
2328 BDB::db_get $DB, undef, $key, my $data;
2329
2330 $! ? ()
2331 : $data
2332 }
2333}
2334
2254 sub db_put($$;$) { 2335sub db_put($$$) {
2255 if (@_ >= 3) { 2336 BDB::dbreq_pri 4;
2256 $DB->{$_[0]}{$_[1]} = $_[2]; 2337 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2257 } else { 2338}
2258 $DB->{$_[0]} = $_[1];
2259 }
2260 db_dirty;
2261 }
2262 2339
2263 cf::global->attach ( 2340=item cf::cache $id => [$paths...], $processversion => $process
2264 prio => 10000, 2341
2265 on_cleanup => sub { 2342Generic caching function that returns the value of the resource $id,
2266 db_sync; 2343caching and regenerating as required.
2344
2345This function can block.
2346
2347=cut
2348
2349sub cache {
2350 my ($id, $src, $processversion, $process) = @_;
2351
2352 my $meta =
2353 join "\x00",
2354 $processversion,
2355 map {
2356 aio_stat $_
2357 and Carp::croak "$_: $!";
2358
2359 ($_, (stat _)[7,9])
2360 } @$src;
2361
2362 my $dbmeta = db_get cache => "$id/meta";
2363 if ($dbmeta ne $meta) {
2364 # changed, we may need to process
2365
2366 my @data;
2367 my $md5;
2368
2369 for (0 .. $#$src) {
2370 0 <= aio_load $src->[$_], $data[$_]
2371 or Carp::croak "$src->[$_]: $!";
2267 }, 2372 }
2268 ); 2373
2374 # if processing is expensive, check
2375 # checksum first
2376 if (1) {
2377 $md5 =
2378 join "\x00",
2379 $processversion,
2380 map {
2381 Coro::cede;
2382 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2383 } 0.. $#$src;
2384
2385
2386 my $dbmd5 = db_get cache => "$id/md5";
2387 if ($dbmd5 eq $md5) {
2388 db_put cache => "$id/meta", $meta;
2389
2390 return db_get cache => "$id/data";
2391 }
2392 }
2393
2394 my $t1 = Time::HiRes::time;
2395 my $data = $process->(\@data);
2396 my $t2 = Time::HiRes::time;
2397
2398 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400 db_put cache => "$id/data", $data;
2401 db_put cache => "$id/md5" , $md5;
2402 db_put cache => "$id/meta", $meta;
2403
2404 return $data;
2405 }
2406
2407 db_get cache => "$id/data"
2269} 2408}
2409
2410=item fork_call { }, $args
2411
2412Executes the given code block with the given arguments in a seperate
2413process, returning the results. Everything must be serialisable with
2414Coro::Storable. May, of course, block. Note that the executed sub may
2415never block itself or use any form of Event handling.
2416
2417=cut
2418
2419sub fork_call(&@) {
2420 my ($cb, @args) = @_;
2421
2422# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423# or die "socketpair: $!";
2424 pipe my $fh1, my $fh2
2425 or die "pipe: $!";
2426
2427 if (my $pid = fork) {
2428 close $fh2;
2429
2430 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431 $res = Coro::Storable::thaw $res;
2432
2433 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435 die $$res unless "ARRAY" eq ref $res;
2436
2437 return wantarray ? @$res : $res->[-1];
2438 } else {
2439 local $SIG{__WARN__};
2440 eval {
2441 local $SIG{__DIE__};
2442 close $fh1;
2443
2444 my @res = eval { $cb->(@args) };
2445 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446 };
2447
2448 warn $@ if $@;
2449 _exit 0;
2450 }
2451}
2452
2453
2270 2454
2271############################################################################# 2455#############################################################################
2272# the server's main() 2456# the server's init and main functions
2457
2458sub load_facedata($) {
2459 my ($path) = @_;
2460
2461 warn "loading facedata from $path\n";
2462
2463 my $facedata;
2464 0 < aio_load $path, $facedata
2465 or die "$path: $!";
2466
2467 $facedata = Coro::Storable::thaw $facedata;
2468
2469 $facedata->{version} == 2
2470 or cf::cleanup "$path: version mismatch, cannot proceed.";
2471
2472 {
2473 my $faces = $facedata->{faceinfo};
2474
2475 while (my ($face, $info) = each %$faces) {
2476 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2477 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2478 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2479 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2480 Coro::cede;
2481 }
2482
2483 while (my ($face, $info) = each %$faces) {
2484 next unless $info->{smooth};
2485 my $idx = cf::face::find $face
2486 or next;
2487 if (my $smooth = cf::face::find $info->{smooth}) {
2488 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2489 } else {
2490 warn "smooth face '$info->{smooth}' not found for face '$face'";
2491 }
2492 Coro::cede;
2493 }
2494 }
2495
2496 {
2497 my $anims = $facedata->{animinfo};
2498
2499 while (my ($anim, $info) = each %$anims) {
2500 cf::anim::set $anim, $info->{frames}, $info->{facings};
2501 Coro::cede;
2502 }
2503
2504 cf::anim::invalidate_all; # d'oh
2505 }
2506
2507 1
2508}
2509
2510sub reload_regions {
2511 load_resource_file "$MAPDIR/regions"
2512 or die "unable to load regions file\n";
2513}
2514
2515sub reload_facedata {
2516 load_facedata "$DATADIR/facedata"
2517 or die "unable to load facedata\n";
2518}
2519
2520sub reload_archetypes {
2521 load_resource_file "$DATADIR/archetypes"
2522 or die "unable to load archetypes\n";
2523}
2524
2525sub reload_treasures {
2526 load_resource_file "$DATADIR/treasures"
2527 or die "unable to load treasurelists\n";
2528}
2529
2530sub reload_resources {
2531 warn "reloading resource files...\n";
2532
2533 reload_regions;
2534 reload_facedata;
2535 reload_archetypes;
2536 reload_treasures;
2537
2538 warn "finished reloading resource files\n";
2539}
2540
2541sub init {
2542 reload_resources;
2543}
2273 2544
2274sub cfg_load { 2545sub cfg_load {
2275 open my $fh, "<:utf8", cf::confdir . "/config" 2546 open my $fh, "<:utf8", "$CONFDIR/config"
2276 or return; 2547 or return;
2277 2548
2278 local $/; 2549 local $/;
2279 *CFG = YAML::Syck::Load <$fh>; 2550 *CFG = YAML::Syck::Load <$fh>;
2280 2551
2300 Event::one_event; 2571 Event::one_event;
2301 })->prio (Coro::PRIO_MAX); 2572 })->prio (Coro::PRIO_MAX);
2302 }; 2573 };
2303 2574
2304 cfg_load; 2575 cfg_load;
2305 db_load; 2576 db_init;
2306 load_extensions; 2577 load_extensions;
2307 2578
2308 $TICK_WATCHER->start; 2579 $TICK_WATCHER->start;
2309 Event::loop; 2580 Event::loop;
2310} 2581}
2349 my $map = $cf::MAP{$path} or next; 2620 my $map = $cf::MAP{$path} or next;
2350 $map->valid or next; 2621 $map->valid or next;
2351 $map->save; 2622 $map->save;
2352 } 2623 }
2353 warn "end emergency map save\n"; 2624 warn "end emergency map save\n";
2625
2626 warn "begin emergency database checkpoint\n";
2627 BDB::db_env_txn_checkpoint $DB_ENV;
2628 warn "end emergency database checkpoint\n";
2354 }; 2629 };
2355 2630
2356 warn "leave emergency perl save\n"; 2631 warn "leave emergency perl save\n";
2357} 2632}
2358 2633
2634sub post_cleanup {
2635 my ($make_core) = @_;
2636
2637 warn Carp::longmess "post_cleanup backtrace"
2638 if $make_core;
2639}
2640
2359sub reload() { 2641sub do_reload_perl() {
2360 # can/must only be called in main 2642 # can/must only be called in main
2361 if ($Coro::current != $Coro::main) { 2643 if ($Coro::current != $Coro::main) {
2362 warn "can only reload from main coroutine"; 2644 warn "can only reload from main coroutine";
2363 return; 2645 return;
2364 } 2646 }
2365 2647
2366 warn "reloading..."; 2648 warn "reloading...";
2367 2649
2368 warn "cancelling server ticker"; 2650 warn "entering sync_job";
2369 $TICK_WATCHER->cancel;
2370 2651
2652 cf::sync_job {
2653 cf::write_runtime; # external watchdog should not bark
2371 cf::emergency_save; 2654 cf::emergency_save;
2655 cf::write_runtime; # external watchdog should not bark
2372 2656
2373 eval { 2657 warn "syncing database to disk";
2658 BDB::db_env_txn_checkpoint $DB_ENV;
2659
2374 # if anything goes wrong in here, we should simply crash as we already saved 2660 # if anything goes wrong in here, we should simply crash as we already saved
2375
2376 warn "syncing database to disk";
2377 cf::db_sync;
2378 2661
2379 warn "cancelling all WF_AUTOCANCEL watchers"; 2662 warn "cancelling all WF_AUTOCANCEL watchers";
2380 for (Event::all_watchers) { 2663 for (Event::all_watchers) {
2381 $_->cancel if $_->data & WF_AUTOCANCEL; 2664 $_->cancel if $_->data & WF_AUTOCANCEL;
2382 } 2665 }
2383 2666
2384 warn "flushing outstanding aio requests"; 2667 warn "flushing outstanding aio requests";
2385 for (;;) { 2668 for (;;) {
2669 BDB::flush;
2386 IO::AIO::flush; 2670 IO::AIO::flush;
2387 Coro::cede; 2671 Coro::cede;
2388 last unless IO::AIO::nreqs; 2672 last unless IO::AIO::nreqs || BDB::nreqs;
2389 warn "iterate..."; 2673 warn "iterate...";
2390 } 2674 }
2675
2676 ++$RELOAD;
2391 2677
2392 warn "cancelling all extension coros"; 2678 warn "cancelling all extension coros";
2393 $_->cancel for values %EXT_CORO; 2679 $_->cancel for values %EXT_CORO;
2394 %EXT_CORO = (); 2680 %EXT_CORO = ();
2395 2681
2435 Symbol::delete_package "safe::$_" 2721 Symbol::delete_package "safe::$_"
2436 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2722 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437 2723
2438 warn "unloading cf.pm \"a bit\""; 2724 warn "unloading cf.pm \"a bit\"";
2439 delete $INC{"cf.pm"}; 2725 delete $INC{"cf.pm"};
2726 delete $INC{"cf/pod.pm"};
2440 2727
2441 # don't, removes xs symbols, too, 2728 # don't, removes xs symbols, too,
2442 # and global variables created in xs 2729 # and global variables created in xs
2443 #Symbol::delete_package __PACKAGE__; 2730 #Symbol::delete_package __PACKAGE__;
2444 2731
2448 require cf; 2735 require cf;
2449 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2736 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2450 2737
2451 warn "loading config and database again"; 2738 warn "loading config and database again";
2452 cf::cfg_load; 2739 cf::cfg_load;
2453 cf::db_load;
2454 2740
2455 warn "loading extensions"; 2741 warn "loading extensions";
2456 cf::load_extensions; 2742 cf::load_extensions;
2457 2743
2458 warn "reattaching attachments to objects/players"; 2744 warn "reattaching attachments to objects/players";
2459 _global_reattach; 2745 _global_reattach; # objects, sockets
2460 warn "reattaching attachments to maps"; 2746 warn "reattaching attachments to maps";
2461 reattach $_ for values %MAP; 2747 reattach $_ for values %MAP;
2748 warn "reattaching attachments to players";
2749 reattach $_ for values %PLAYER;
2462 2750
2463 warn "restarting server ticker"; 2751 warn "leaving sync_job";
2464 2752
2465 $TICK_WATCHER->start; 2753 1
2466 }; 2754 } or do {
2467
2468 if ($@) {
2469 warn $@; 2755 warn $@;
2470 warn "error while reloading, exiting."; 2756 warn "error while reloading, exiting.";
2471 exit 1; 2757 exit 1;
2472 } 2758 };
2473 2759
2474 warn "reloaded"; 2760 warn "reloaded";
2475}; 2761};
2476 2762
2477our $RELOAD_WATCHER; # used only during reload 2763our $RELOAD_WATCHER; # used only during reload
2478 2764
2765sub reload_perl() {
2766 # doing reload synchronously and two reloads happen back-to-back,
2767 # coro crashes during coro_state_free->destroy here.
2768
2769 $RELOAD_WATCHER ||= Event->timer (
2770 reentrant => 0,
2771 after => 0,
2772 data => WF_AUTOCANCEL,
2773 cb => sub {
2774 do_reload_perl;
2775 undef $RELOAD_WATCHER;
2776 },
2777 );
2778}
2779
2479register_command "reload" => sub { 2780register_command "reload" => sub {
2480 my ($who, $arg) = @_; 2781 my ($who, $arg) = @_;
2481 2782
2482 if ($who->flag (FLAG_WIZ)) { 2783 if ($who->flag (FLAG_WIZ)) {
2483 $who->message ("reloading server."); 2784 $who->message ("reloading server.");
2484 2785 async { reload_perl };
2485 # doing reload synchronously and two reloads happen back-to-back,
2486 # coro crashes during coro_state_free->destroy here.
2487
2488 $RELOAD_WATCHER ||= Event->timer (
2489 reentrant => 0,
2490 after => 0,
2491 data => WF_AUTOCANCEL,
2492 cb => sub {
2493 reload;
2494 undef $RELOAD_WATCHER;
2495 },
2496 );
2497 } 2786 }
2498}; 2787};
2499 2788
2500unshift @INC, $LIBDIR; 2789unshift @INC, $LIBDIR;
2501 2790
2502my $bug_warning = 0; 2791my $bug_warning = 0;
2792
2793our @WAIT_FOR_TICK;
2794our @WAIT_FOR_TICK_BEGIN;
2795
2796sub wait_for_tick {
2797 return unless $TICK_WATCHER->is_active;
2798 return if $Coro::current == $Coro::main;
2799
2800 my $signal = new Coro::Signal;
2801 push @WAIT_FOR_TICK, $signal;
2802 $signal->wait;
2803}
2804
2805sub wait_for_tick_begin {
2806 return unless $TICK_WATCHER->is_active;
2807 return if $Coro::current == $Coro::main;
2808
2809 my $signal = new Coro::Signal;
2810 push @WAIT_FOR_TICK_BEGIN, $signal;
2811 $signal->wait;
2812}
2503 2813
2504$TICK_WATCHER = Event->timer ( 2814$TICK_WATCHER = Event->timer (
2505 reentrant => 0, 2815 reentrant => 0,
2506 parked => 1, 2816 parked => 1,
2507 prio => 0, 2817 prio => 0,
2515 } 2825 }
2516 2826
2517 $NOW = Event::time; 2827 $NOW = Event::time;
2518 2828
2519 cf::server_tick; # one server iteration 2829 cf::server_tick; # one server iteration
2830
2520 $RUNTIME += $TICK; 2831 $RUNTIME += $TICK;
2521 $NEXT_TICK += $TICK; 2832 $NEXT_TICK += $TICK;
2522 2833
2523 $WAIT_FOR_TICK->broadcast; 2834 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2524 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2835 $NEXT_RUNTIME_WRITE = $NOW + 10;
2525 2836 Coro::async_pool {
2526 Event::sweep; 2837 write_runtime
2527 Coro::cede_notself; 2838 or warn "ERROR: unable to write runtime file: $!";
2839 };
2528 2840 }
2841
2529# my $AFTER = Event::time; 2842# my $AFTER = Event::time;
2530# warn $AFTER - $NOW;#d# 2843# warn $AFTER - $NOW;#d#
2531 2844
2532 # if we are delayed by four ticks or more, skip them all 2845 # if we are delayed by four ticks or more, skip them all
2533 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2846 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2534 2847
2535 $TICK_WATCHER->at ($NEXT_TICK); 2848 $TICK_WATCHER->at ($NEXT_TICK);
2536 $TICK_WATCHER->start; 2849 $TICK_WATCHER->start;
2850
2851 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2852 $sig->send;
2853 }
2854 while (my $sig = shift @WAIT_FOR_TICK) {
2855 $sig->send;
2856 }
2857
2858 _post_tick;
2537 }, 2859 },
2538); 2860);
2539 2861
2862{
2863 BDB::max_poll_time $TICK * 0.1;
2864 $BDB_POLL_WATCHER = Event->io (
2865 reentrant => 0,
2866 fd => BDB::poll_fileno,
2867 poll => 'r',
2868 prio => 0,
2869 data => WF_AUTOCANCEL,
2870 cb => \&BDB::poll_cb,
2871 );
2872 BDB::min_parallel 8;
2873
2874 BDB::set_sync_prepare {
2875 my $status;
2876 my $current = $Coro::current;
2877 (
2878 sub {
2879 $status = $!;
2880 $current->ready; undef $current;
2881 },
2882 sub {
2883 Coro::schedule while defined $current;
2884 $! = $status;
2885 },
2886 )
2887 };
2888
2889 unless ($DB_ENV) {
2890 $DB_ENV = BDB::db_env_create;
2891
2892 cf::sync_job {
2893 eval {
2894 BDB::db_env_open
2895 $DB_ENV,
2896 $BDBDIR,
2897 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2898 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899 0666;
2900
2901 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2902
2903 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2904 $DB_ENV->set_lk_detect;
2905 };
2906
2907 cf::cleanup "db_env_open(db): $@" if $@;
2908 };
2909 }
2910}
2911
2912{
2913 IO::AIO::min_parallel 8;
2914
2915 undef $Coro::AIO::WATCHER;
2540IO::AIO::max_poll_time $TICK * 0.1; 2916 IO::AIO::max_poll_time $TICK * 0.1;
2541
2542undef $Coro::AIO::WATCHER;
2543$AIO_POLL_WATCHER = Event->io ( 2917 $AIO_POLL_WATCHER = Event->io (
2544 reentrant => 0, 2918 reentrant => 0,
2919 data => WF_AUTOCANCEL,
2545 fd => IO::AIO::poll_fileno, 2920 fd => IO::AIO::poll_fileno,
2546 poll => 'r', 2921 poll => 'r',
2547 prio => 6, 2922 prio => 6,
2548 data => WF_AUTOCANCEL,
2549 cb => \&IO::AIO::poll_cb, 2923 cb => \&IO::AIO::poll_cb,
2550); 2924 );
2925}
2551 2926
2552$WRITE_RUNTIME_WATCHER = Event->timer ( 2927# load additional modules
2553 reentrant => 0, 2928use cf::pod;
2554 data => WF_AUTOCANCEL,
2555 after => 1,
2556 interval => 10,
2557 prio => 6, # keep it lowest so it acts like a watchdog
2558 cb => Coro::unblock_sub {
2559 write_runtime
2560 or warn "ERROR: unable to write runtime file: $!";
2561 },
2562);
2563 2929
2564END { cf::emergency_save } 2930END { cf::emergency_save }
2565 2931
25661 29321
2567 2933

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines