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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.220 by root, Sat Feb 17 23:54:35 2007 UTC vs.
Revision 1.256 by root, Sat Apr 21 16:56:32 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
20use BDB (); 25use BDB ();
21use Data::Dumper; 26use Data::Dumper;
22use Digest::MD5; 27use Digest::MD5;
23use Fcntl; 28use Fcntl;
29use YAML::Syck ();
24use IO::AIO 2.32 (); 30use IO::AIO 2.32 ();
25use YAML::Syck ();
26use Time::HiRes; 31use Time::HiRes;
27use Compress::LZF; 32use Compress::LZF;
28 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
29Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30 39
31use 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
32
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 41
35# 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?
36$YAML::Syck::ImplicitUnicode = 1; 43$YAML::Syck::ImplicitUnicode = 1;
37 44
38$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 45$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
39 48
40our %COMMAND = (); 49our %COMMAND = ();
41our %COMMAND_TIME = (); 50our %COMMAND_TIME = ();
42 51
43our @EXTS = (); # list of extension package names 52our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 53our %EXTCMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 54our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 55our %EXT_MAP = (); # pluggable maps
47 56
57our $RELOAD; # number of reloads so far
48our @EVENT; 58our @EVENT;
49our $LIBDIR = datadir . "/ext";
50 59
51our $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(!)
52our $TICK_WATCHER; 73our $TICK_WATCHER;
53our $AIO_POLL_WATCHER; 74our $AIO_POLL_WATCHER;
54our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 76our $NEXT_TICK;
56our $NOW; 77our $NOW;
65our $RUNTIME; 86our $RUNTIME;
66 87
67our %PLAYER; # all users 88our %PLAYER; # all users
68our %MAP; # all maps 89our %MAP; # all maps
69our $LINK_MAP; # the special {link} map, which is always available 90our $LINK_MAP; # the special {link} map, which is always available
70our $RANDOM_MAPS = cf::localdir . "/random";
71our $BDB_ENV_DIR = cf::localdir . "/db";
72
73our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75 91
76# 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 ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78 94
79binmode STDOUT; 95binmode STDOUT;
80binmode STDERR; 96binmode STDERR;
81 97
82# read virtual server time, if available 98# read virtual server time, if available
83unless ($RUNTIME || !-e cf::localdir . "/runtime") { 99unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84 open my $fh, "<", cf::localdir . "/runtime" 100 open my $fh, "<", "$LOCALDIR/runtime"
85 or die "unable to read runtime file: $!"; 101 or die "unable to read runtime file: $!";
86 $RUNTIME = <$fh> + 0.; 102 $RUNTIME = <$fh> + 0.;
87} 103}
88 104
89mkdir cf::localdir; 105mkdir $_
90mkdir cf::localdir . "/" . cf::playerdir; 106 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91mkdir cf::localdir . "/" . cf::tmpdir;
92mkdir cf::localdir . "/" . cf::uniquedir;
93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
95 107
96our $EMERGENCY_POSITION; 108our $EMERGENCY_POSITION;
97 109
98sub cf::map::normalise; 110sub cf::map::normalise;
99 111
110=item $cf::RUNTIME 122=item $cf::RUNTIME
111 123
112The 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
113every server tick. 125every server tick.
114 126
115=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
116 130
117The perl library directory, where extensions and cf-specific modules can 131Various directories - "/etc", read-only install directory, perl-library
118be 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.
119 135
120=item $cf::NOW 136=item $cf::NOW
121 137
122The time of the last (current) server tick. 138The time of the last (current) server tick.
123 139
128=item %cf::CFG 144=item %cf::CFG
129 145
130Configuration for the server, loaded from C</etc/crossfire/config>, or 146Configuration for the server, loaded from C</etc/crossfire/config>, or
131from wherever your confdir points to. 147from wherever your confdir points to.
132 148
133=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 149=item cf::wait_for_tick, cf::wait_for_tick_begin
134 150
135These 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
136or 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
137processing 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.
138window of cpu time available, or simply to synchronise to the server tick.
139 154
140=back 155=back
141 156
142=cut 157=cut
143 158
144BEGIN { 159BEGIN {
145 *CORE::GLOBAL::warn = sub { 160 *CORE::GLOBAL::warn = sub {
146 my $msg = join "", @_; 161 my $msg = join "", @_;
147 utf8::encode $msg;
148 162
149 $msg .= "\n" 163 $msg .= "\n"
150 unless $msg =~ /\n$/; 164 unless $msg =~ /\n$/;
151 165
166 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167
168 utf8::encode $msg;
152 LOG llevError, $msg; 169 LOG llevError, $msg;
153 }; 170 };
154} 171}
155 172
156@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 173@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
202 $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;
203 $d 220 $d
204 } || "[unable to dump $_[0]: '$@']"; 221 } || "[unable to dump $_[0]: '$@']";
205} 222}
206 223
207use JSON::Syck (); # TODO# replace by JSON::PC once working 224use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
208 225
209=item $ref = cf::from_json $json 226=item $ref = cf::from_json $json
210 227
211Converts a JSON string into the corresponding perl data structure. 228Converts a JSON string into the corresponding perl data structure.
212 229
213=cut
214
215sub from_json($) {
216 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217 JSON::Syck::Load $_[0]
218}
219
220=item $json = cf::to_json $ref 230=item $json = cf::to_json $ref
221 231
222Converts a perl data structure into its JSON representation. 232Converts a perl data structure into its JSON representation.
223
224=cut
225
226sub to_json($) {
227 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
228 JSON::Syck::Dump $_[0]
229}
230 233
231=item cf::lock_wait $string 234=item cf::lock_wait $string
232 235
233Wait until the given lock is available. See cf::lock_acquire. 236Wait until the given lock is available. See cf::lock_acquire.
234 237
240returned. 243returned.
241 244
242Lock 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
243uses map_find and cf::map::load uses map_load). 246uses map_find and cf::map::load uses map_load).
244 247
248=item $locked = cf::lock_active $string
249
250Return true if the lock is currently active, i.e. somebody has locked it.
251
245=cut 252=cut
246 253
247our %LOCK; 254our %LOCK;
248 255
249sub lock_wait($) { 256sub lock_wait($) {
266 273
267 Coro::guard { 274 Coro::guard {
268 # wake up all waiters, to be on the safe side 275 # wake up all waiters, to be on the safe side
269 $_->ready for @{ delete $LOCK{$key} }; 276 $_->ready for @{ delete $LOCK{$key} };
270 } 277 }
278}
279
280sub lock_active($) {
281 my ($key) = @_;
282
283 ! ! $LOCK{$key}
271} 284}
272 285
273sub freeze_mainloop { 286sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 287 return unless $TICK_WATCHER->is_active;
275 288
356} 369}
357 370
358sub write_runtime { 371sub write_runtime {
359 my $guard = cf::lock_acquire "write_runtime"; 372 my $guard = cf::lock_acquire "write_runtime";
360 373
361 my $runtime = cf::localdir . "/runtime"; 374 my $runtime = "$LOCALDIR/runtime";
362 375
363 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 376 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
364 or return; 377 or return;
365 378
366 my $value = $cf::RUNTIME + 90 + 10; 379 my $value = $cf::RUNTIME + 90 + 10;
379 392
380 aio_rename "$runtime~", $runtime 393 aio_rename "$runtime~", $runtime
381 and return; 394 and return;
382 395
383 1 396 1
397}
398
399=item cf::datalog type => key => value, ...
400
401Log a datalog packet of the given type with the given key-value pairs.
402
403=cut
404
405sub datalog($@) {
406 my ($type, %kv) = @_;
407 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384} 408}
385 409
386=back 410=back
387 411
388=cut 412=cut
950Returns the given player object, loading it if necessary (might block). 974Returns the given player object, loading it if necessary (might block).
951 975
952=cut 976=cut
953 977
954sub playerdir($) { 978sub playerdir($) {
955 cf::localdir 979 "$PLAYERDIR/"
956 . "/"
957 . cf::playerdir
958 . "/"
959 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 980 . (ref $_[0] ? $_[0]->ob->name : $_[0])
960} 981}
961 982
962sub path($) { 983sub path($) {
963 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 984 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964 985
965 (playerdir $login) . "/$login.pl" 986 (playerdir $login) . "/playerdata"
966} 987}
967 988
968sub find_active($) { 989sub find_active($) {
969 $cf::PLAYER{$_[0]} 990 $cf::PLAYER{$_[0]}
970 and $cf::PLAYER{$_[0]}->active 991 and $cf::PLAYER{$_[0]}->active
983 my $login = $_[0]; 1004 my $login = $_[0];
984 1005
985 my $guard = cf::lock_acquire "user_find:$login"; 1006 my $guard = cf::lock_acquire "user_find:$login";
986 1007
987 $cf::PLAYER{$_[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
988 my $pl = load_pl path $login 1016 my $pl = load_pl path $login
989 or return; 1017 or return;
990 $cf::PLAYER{$login} = $pl 1018 $cf::PLAYER{$login} = $pl
991 } 1019 }
992 } 1020 }
1054 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP; 1082 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1055 1083
1056 IO::AIO::aio_rmtree $temp; 1084 IO::AIO::aio_rmtree $temp;
1057} 1085}
1058 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;
1099}
1100
1059=item cf::player::list_logins 1101=item cf::player::list_logins
1060 1102
1061Returns 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
1062while and may block, so not sync_job-capable, ever. 1104while and may block, so not sync_job-capable, ever.
1063 1105
1064=cut 1106=cut
1065 1107
1066sub list_logins { 1108sub list_logins {
1067 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1109 my $dirs = aio_readdir $PLAYERDIR
1068 or return []; 1110 or return [];
1069 1111
1070 my @logins; 1112 my @logins;
1071 1113
1072 for my $login (@$dirs) { 1114 for my $login (@$dirs) {
1107 } 1149 }
1108 1150
1109 \@paths 1151 \@paths
1110} 1152}
1111 1153
1112=item $player->ext_reply ($msgid, $msgtype, %msg) 1154=item $player->ext_reply ($msgid, %msg)
1113 1155
1114Sends an ext reply to the player. 1156Sends an ext reply to the player.
1115 1157
1116=cut 1158=cut
1117 1159
1118sub ext_reply($$$%) { 1160sub ext_reply($$%) {
1119 my ($self, $id, %msg) = @_; 1161 my ($self, $id, %msg) = @_;
1120 1162
1121 $msg{msgid} = $id; 1163 $msg{msgid} = $id;
1122 1164
1123 $self->send ("ext " . cf::to_json \%msg); 1165 $self->send ("ext " . cf::to_json \%msg);
1124} 1166}
1125 1167
1126package 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}
1127 1208
1128=back 1209=back
1129
1130 1210
1131=head3 cf::map 1211=head3 cf::map
1132 1212
1133=over 4 1213=over 4
1134 1214
1272 1352
1273# the original (read-only) location 1353# the original (read-only) location
1274sub load_path { 1354sub load_path {
1275 my ($self) = @_; 1355 my ($self) = @_;
1276 1356
1277 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1357 "$MAPDIR/$self->{path}.map"
1278} 1358}
1279 1359
1280# the temporary/swap location 1360# the temporary/swap location
1281sub save_path { 1361sub save_path {
1282 my ($self) = @_; 1362 my ($self) = @_;
1283 1363
1284 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1364 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1365 "$TMPDIR/$path.map"
1286} 1366}
1287 1367
1288# the unique path, undef == no special unique path 1368# the unique path, undef == no special unique path
1289sub uniq_path { 1369sub uniq_path {
1290 my ($self) = @_; 1370 my ($self) = @_;
1291 1371
1292 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1372 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1293 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1373 "$UNIQUEDIR/$path"
1294} 1374}
1295 1375
1296# and all this just because we cannot iterate over 1376# and all this just because we cannot iterate over
1297# all maps in C++... 1377# all maps in C++...
1298sub change_all_map_light { 1378sub change_all_map_light {
1365 $self->load_header_orig 1445 $self->load_header_orig
1366 or return; 1446 or return;
1367 $self->prepare_orig; 1447 $self->prepare_orig;
1368 } 1448 }
1369 1449
1450 $self->default_region (cf::region::find_by_path $self->{path})
1451 unless $self->default_region;
1452
1370 1 1453 1
1371} 1454}
1372 1455
1373sub find; 1456sub find;
1374sub find { 1457sub find {
1407 my ($self) = @_; 1490 my ($self) = @_;
1408 1491
1409 local $self->{deny_reset} = 1; # loading can take a long time 1492 local $self->{deny_reset} = 1; # loading can take a long time
1410 1493
1411 my $path = $self->{path}; 1494 my $path = $self->{path};
1495
1496 {
1412 my $guard = cf::lock_acquire "map_load:$path"; 1497 my $guard = cf::lock_acquire "map_load:$path";
1413 1498
1414 return if $self->in_memory != cf::MAP_SWAPPED; 1499 return if $self->in_memory != cf::MAP_SWAPPED;
1415 1500
1416 $self->in_memory (cf::MAP_LOADING); 1501 $self->in_memory (cf::MAP_LOADING);
1417 1502
1418 $self->alloc; 1503 $self->alloc;
1419 1504
1420 $self->pre_load; 1505 $self->pre_load;
1421
1422 $self->_load_objects ($self->{load_path}, 1)
1423 or return;
1424
1425 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1426 if delete $self->{load_original};
1427
1428 if (my $uniq = $self->uniq_path) {
1429 utf8::encode $uniq;
1430 if (aio_open $uniq, O_RDONLY, 0) {
1431 $self->clear_unique_items;
1432 $self->_load_objects ($uniq, 0);
1433 }
1434 }
1435
1436 Coro::cede;
1437
1438 # now do the right thing for maps
1439 $self->link_multipart_objects;
1440
1441 unless ($self->{deny_activate}) {
1442 $self->decay_objects;
1443 $self->fix_auto_apply;
1444 $self->update_buttons;
1445 Coro::cede; 1506 Coro::cede;
1446 $self->set_darkness_map; 1507
1508 $self->_load_objects ($self->{load_path}, 1)
1509 or return;
1510
1511 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1512 if delete $self->{load_original};
1513
1514 if (my $uniq = $self->uniq_path) {
1515 utf8::encode $uniq;
1516 if (aio_open $uniq, O_RDONLY, 0) {
1517 $self->clear_unique_items;
1518 $self->_load_objects ($uniq, 0);
1519 }
1520 }
1521
1522 Coro::cede;
1523 # now do the right thing for maps
1524 $self->link_multipart_objects;
1447 $self->difficulty ($self->estimate_difficulty) 1525 $self->difficulty ($self->estimate_difficulty)
1448 unless $self->difficulty; 1526 unless $self->difficulty;
1449 Coro::cede; 1527 Coro::cede;
1528
1529 unless ($self->{deny_activate}) {
1530 $self->decay_objects;
1531 $self->fix_auto_apply;
1532 $self->update_buttons;
1533 Coro::cede;
1534 $self->set_darkness_map;
1535 Coro::cede;
1450 $self->activate; 1536 $self->activate;
1537 }
1538
1539 $self->in_memory (cf::MAP_IN_MEMORY);
1540
1541 undef $guard;
1451 } 1542 }
1452 1543
1453 $self->post_load; 1544 $self->post_load;
1454
1455 $self->in_memory (cf::MAP_IN_MEMORY);
1456} 1545}
1457 1546
1458sub customise_for { 1547sub customise_for {
1459 my ($self, $ob) = @_; 1548 my ($self, $ob) = @_;
1460 1549
1651instantiated unique items. May block. 1740instantiated unique items. May block.
1652 1741
1653=cut 1742=cut
1654 1743
1655sub unique_maps() { 1744sub unique_maps() {
1656 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 1745 my $files = aio_readdir $UNIQUEDIR
1657 or return; 1746 or return;
1658 1747
1659 my @paths; 1748 my @paths;
1660 1749
1661 for (@$files) { 1750 for (@$files) {
1917 2006
1918 $rmp->{random_seed} ||= $exit->random_seed; 2007 $rmp->{random_seed} ||= $exit->random_seed;
1919 2008
1920 my $data = cf::to_json $rmp; 2009 my $data = cf::to_json $rmp;
1921 my $md5 = Digest::MD5::md5_hex $data; 2010 my $md5 = Digest::MD5::md5_hex $data;
1922 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2011 my $meta = "$RANDOMDIR/$md5.meta";
1923 2012
1924 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2013 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1925 aio_write $fh, 0, (length $data), $data, 0; 2014 aio_write $fh, 0, (length $data), $data, 0;
1926 undef $fh; 2015 undef $fh;
1927 aio_rename "$meta~", $meta; 2016 aio_rename "$meta~", $meta;
1936 2025
1937 return unless $self->type == cf::PLAYER; 2026 return unless $self->type == cf::PLAYER;
1938 2027
1939 if ($exit->slaying eq "/!") { 2028 if ($exit->slaying eq "/!") {
1940 #TODO: this should de-fi-ni-te-ly not be a sync-job 2029 #TODO: this should de-fi-ni-te-ly not be a sync-job
2030 # the problem is that $exit might not survive long enough
2031 # so it needs to be done right now, right here
1941 cf::sync_job { prepare_random_map $exit }; 2032 cf::sync_job { prepare_random_map $exit };
1942 } 2033 }
1943 2034
1944 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2035 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1945 my $hp = $exit->stats->hp; 2036 my $hp = $exit->stats->hp;
1953 $self->goto ($slaying, $hp, $sp); 2044 $self->goto ($slaying, $hp, $sp);
1954 2045
1955 1; 2046 1;
1956 }) { 2047 }) {
1957 $self->message ("Something went wrong deep within the crossfire server. " 2048 $self->message ("Something went wrong deep within the crossfire server. "
1958 . "I'll try to bring you back to the map you were before. " 2049 . "I'll try to bring you back to the map you were before. "
1959 . "Please report this to the dungeon master!", 2050 . "Please report this to the dungeon master!",
1960 cf::NDI_UNIQUE | cf::NDI_RED); 2051 cf::NDI_UNIQUE | cf::NDI_RED);
1961 2052
1962 warn "ERROR in enter_exit: $@"; 2053 warn "ERROR in enter_exit: $@";
1963 $self->leave_link; 2054 $self->leave_link;
1964 } 2055 }
1965 })->prio (1); 2056 })->prio (1);
1978 2069
1979sub cf::client::send_drawinfo { 2070sub cf::client::send_drawinfo {
1980 my ($self, $text, $flags) = @_; 2071 my ($self, $text, $flags) = @_;
1981 2072
1982 utf8::encode $text; 2073 utf8::encode $text;
1983 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2074 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1984} 2075}
1985 2076
2077=item $client->ext_event ($type, %msg)
2078
2079Sends an exti event to the client.
2080
2081=cut
2082
2083sub cf::client::ext_event($$%) {
2084 my ($self, $type, %msg) = @_;
2085
2086 $msg{msgtype} = "event_$type";
2087 $self->send_packet ("ext " . cf::to_json \%msg);
2088}
1986 2089
1987=item $success = $client->query ($flags, "text", \&cb) 2090=item $success = $client->query ($flags, "text", \&cb)
1988 2091
1989Queues a query to the client, calling the given callback with 2092Queues a query to the client, calling the given callback with
1990the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2093the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2087 2190
2088# here we export the classes and methods available to script code 2191# here we export the classes and methods available to script code
2089 2192
2090=pod 2193=pod
2091 2194
2092The following fucntions and emthods are available within a safe environment: 2195The following functions and methods are available within a safe environment:
2093 2196
2094 cf::object contr pay_amount pay_player map 2197 cf::object contr pay_amount pay_player map
2095 cf::object::player player 2198 cf::object::player player
2096 cf::player peaceful 2199 cf::player peaceful
2097 cf::map trigger 2200 cf::map trigger
2182############################################################################# 2285#############################################################################
2183 2286
2184=head2 EXTENSION DATABASE SUPPORT 2287=head2 EXTENSION DATABASE SUPPORT
2185 2288
2186Crossfire maintains a very simple database for extension use. It can 2289Crossfire maintains a very simple database for extension use. It can
2187currently store anything that can be serialised using Storable, which 2290currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2188excludes objects. 2291convert to/from binary).
2189 2292
2190The parameter C<$family> should best start with the name of the extension 2293The parameter C<$family> should best start with the name of the extension
2191using it, it should be unique. 2294using it, it should be unique.
2192 2295
2193=over 4 2296=over 4
2216 BDB::CREATE | BDB::AUTO_COMMIT, 0666; 2319 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2217 cf::cleanup "db_open(db): $!" if $!; 2320 cf::cleanup "db_open(db): $!" if $!;
2218 }; 2321 };
2219 cf::cleanup "db_open(db): $@" if $@; 2322 cf::cleanup "db_open(db): $@" if $@;
2220 }; 2323 };
2221
2222 my $path = cf::localdir . "/database.pst";
2223 if (stat $path) {
2224 cf::sync_job {
2225 my $pst = Storable::retrieve $path;
2226
2227 cf::db_put (board => data => $pst->{board});
2228 cf::db_put (guildrules => data => $pst->{guildrules});
2229 cf::db_put (rent => balance => $pst->{rent}{balance});
2230 BDB::db_env_txn_checkpoint $DB_ENV;
2231
2232 unlink $path;
2233 };
2234 }
2235 } 2324 }
2236} 2325}
2237 2326
2238sub db_get($$) { 2327sub db_get($$) {
2239 my $key = "$_[0]/$_[1]"; 2328 my $key = "$_[0]/$_[1]";
2240 2329
2241 cf::sync_job { 2330 cf::sync_job {
2242 BDB::db_get $DB, undef, $key, my $data; 2331 BDB::db_get $DB, undef, $key, my $data;
2243 2332
2244 $! ? () 2333 $! ? ()
2245 : Compress::LZF::sthaw $data 2334 : $data
2246 } 2335 }
2247} 2336}
2248 2337
2249sub db_put($$$) { 2338sub db_put($$$) {
2250 BDB::dbreq_pri 4; 2339 BDB::dbreq_pri 4;
2251 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { }; 2340 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2252} 2341}
2342
2343=item cf::cache $id => [$paths...], $processversion => $process
2344
2345Generic caching function that returns the value of the resource $id,
2346caching and regenerating as required.
2347
2348This function can block.
2349
2350=cut
2351
2352sub cache {
2353 my ($id, $src, $processversion, $process) = @_;
2354
2355 my $meta =
2356 join "\x00",
2357 $processversion,
2358 map {
2359 aio_stat $_
2360 and Carp::croak "$_: $!";
2361
2362 ($_, (stat _)[7,9])
2363 } @$src;
2364
2365 my $dbmeta = db_get cache => "$id/meta";
2366 if ($dbmeta ne $meta) {
2367 # changed, we may need to process
2368
2369 my @data;
2370 my $md5;
2371
2372 for (0 .. $#$src) {
2373 0 <= aio_load $src->[$_], $data[$_]
2374 or Carp::croak "$src->[$_]: $!";
2375 }
2376
2377 # if processing is expensive, check
2378 # checksum first
2379 if (1) {
2380 $md5 =
2381 join "\x00",
2382 $processversion,
2383 map {
2384 Coro::cede;
2385 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2386 } 0.. $#$src;
2387
2388
2389 my $dbmd5 = db_get cache => "$id/md5";
2390 if ($dbmd5 eq $md5) {
2391 db_put cache => "$id/meta", $meta;
2392
2393 return db_get cache => "$id/data";
2394 }
2395 }
2396
2397 my $t1 = Time::HiRes::time;
2398 my $data = $process->(\@data);
2399 my $t2 = Time::HiRes::time;
2400
2401 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2402
2403 db_put cache => "$id/data", $data;
2404 db_put cache => "$id/md5" , $md5;
2405 db_put cache => "$id/meta", $meta;
2406
2407 return $data;
2408 }
2409
2410 db_get cache => "$id/data"
2411}
2412
2413=item fork_call { }, $args
2414
2415Executes the given code block with the given arguments in a seperate
2416process, returning the results. Everything must be serialisable with
2417Coro::Storable. May, of course, block. Note that the executed sub may
2418never block itself or use any form of Event handling.
2419
2420=cut
2421
2422sub fork_call(&@) {
2423 my ($cb, @args) = @_;
2424
2425# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2426# or die "socketpair: $!";
2427 pipe my $fh1, my $fh2
2428 or die "pipe: $!";
2429
2430 if (my $pid = fork) {
2431 close $fh2;
2432
2433 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2434 $res = Coro::Storable::thaw $res;
2435
2436 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2437
2438 die $$res unless "ARRAY" eq ref $res;
2439
2440 return wantarray ? @$res : $res->[-1];
2441 } else {
2442 local $SIG{__WARN__};
2443 eval {
2444 local $SIG{__DIE__};
2445 close $fh1;
2446
2447 my @res = eval { $cb->(@args) };
2448 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2449 };
2450
2451 warn $@ if $@;
2452 _exit 0;
2453 }
2454}
2455
2456
2253 2457
2254############################################################################# 2458#############################################################################
2255# the server's init and main functions 2459# the server's init and main functions
2256 2460
2257sub init_resources { 2461sub load_facedata($) {
2258 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2462 my ($path) = @_;
2463
2464 warn "loading facedata from $path\n";
2465
2466 my $facedata;
2467 0 < aio_load $path, $facedata
2468 or die "$path: $!";
2469
2470 $facedata = Coro::Storable::thaw $facedata;
2471
2472 $facedata->{version} == 2
2473 or cf::cleanup "$path: version mismatch, cannot proceed.";
2474
2475 {
2476 my $faces = $facedata->{faceinfo};
2477
2478 while (my ($face, $info) = each %$faces) {
2479 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2480 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2481 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2482 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2483 Coro::cede;
2484 }
2485
2486 while (my ($face, $info) = each %$faces) {
2487 next unless $info->{smooth};
2488 my $idx = cf::face::find $face
2489 or next;
2490 if (my $smooth = cf::face::find $info->{smooth}) {
2491 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2492 } else {
2493 warn "smooth face '$info->{smooth}' not found for face '$face'";
2494 }
2495 Coro::cede;
2496 }
2497 }
2498
2499 {
2500 my $anims = $facedata->{animinfo};
2501
2502 while (my ($anim, $info) = each %$anims) {
2503 cf::anim::set $anim, $info->{frames}, $info->{facings};
2504 Coro::cede;
2505 }
2506
2507 cf::anim::invalidate_all; # d'oh
2508 }
2509
2510 1
2511}
2512
2513sub reload_regions {
2514 load_resource_file "$MAPDIR/regions"
2259 or die "unable to load regions file\n";#d# 2515 or die "unable to load regions file\n";
2516}
2517
2518sub reload_facedata {
2519 load_facedata "$DATADIR/facedata"
2520 or die "unable to load facedata\n";
2521}
2522
2523sub reload_archetypes {
2524 load_resource_file "$DATADIR/archetypes"
2525 or die "unable to load archetypes\n";
2526}
2527
2528sub reload_treasures {
2529 load_resource_file "$DATADIR/treasures"
2530 or die "unable to load treasurelists\n";
2531}
2532
2533sub reload_resources {
2534 warn "reloading resource files...\n";
2535
2536 reload_regions;
2537 reload_facedata;
2538 reload_archetypes;
2539 reload_treasures;
2540
2541 warn "finished reloading resource files\n";
2542}
2543
2544sub init {
2545 reload_resources;
2260} 2546}
2261 2547
2262sub cfg_load { 2548sub cfg_load {
2263 open my $fh, "<:utf8", cf::confdir . "/config" 2549 open my $fh, "<:utf8", "$CONFDIR/config"
2264 or return; 2550 or return;
2265 2551
2266 local $/; 2552 local $/;
2267 *CFG = YAML::Syck::Load <$fh>; 2553 *CFG = YAML::Syck::Load <$fh>;
2268 2554
2276 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 2562 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2277 and die "WARNING: m(un)lockall failed: $!\n"; 2563 and die "WARNING: m(un)lockall failed: $!\n";
2278 }; 2564 };
2279 warn $@ if $@; 2565 warn $@ if $@;
2280 } 2566 }
2281}
2282
2283sub init {
2284 init_resources;
2285} 2567}
2286 2568
2287sub main { 2569sub main {
2288 # we must not ever block the main coroutine 2570 # we must not ever block the main coroutine
2289 local $Coro::idle = sub { 2571 local $Coro::idle = sub {
2357 2639
2358 warn Carp::longmess "post_cleanup backtrace" 2640 warn Carp::longmess "post_cleanup backtrace"
2359 if $make_core; 2641 if $make_core;
2360} 2642}
2361 2643
2362sub reload() { 2644sub do_reload_perl() {
2363 # can/must only be called in main 2645 # can/must only be called in main
2364 if ($Coro::current != $Coro::main) { 2646 if ($Coro::current != $Coro::main) {
2365 warn "can only reload from main coroutine"; 2647 warn "can only reload from main coroutine";
2366 return; 2648 return;
2367 } 2649 }
2392 Coro::cede; 2674 Coro::cede;
2393 last unless IO::AIO::nreqs || BDB::nreqs; 2675 last unless IO::AIO::nreqs || BDB::nreqs;
2394 warn "iterate..."; 2676 warn "iterate...";
2395 } 2677 }
2396 2678
2679 ++$RELOAD;
2680
2397 warn "cancelling all extension coros"; 2681 warn "cancelling all extension coros";
2398 $_->cancel for values %EXT_CORO; 2682 $_->cancel for values %EXT_CORO;
2399 %EXT_CORO = (); 2683 %EXT_CORO = ();
2400 2684
2401 warn "removing commands"; 2685 warn "removing commands";
2440 Symbol::delete_package "safe::$_" 2724 Symbol::delete_package "safe::$_"
2441 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2725 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2442 2726
2443 warn "unloading cf.pm \"a bit\""; 2727 warn "unloading cf.pm \"a bit\"";
2444 delete $INC{"cf.pm"}; 2728 delete $INC{"cf.pm"};
2729 delete $INC{"cf/pod.pm"};
2445 2730
2446 # don't, removes xs symbols, too, 2731 # don't, removes xs symbols, too,
2447 # and global variables created in xs 2732 # and global variables created in xs
2448 #Symbol::delete_package __PACKAGE__; 2733 #Symbol::delete_package __PACKAGE__;
2449 2734
2458 2743
2459 warn "loading extensions"; 2744 warn "loading extensions";
2460 cf::load_extensions; 2745 cf::load_extensions;
2461 2746
2462 warn "reattaching attachments to objects/players"; 2747 warn "reattaching attachments to objects/players";
2463 _global_reattach; 2748 _global_reattach; # objects, sockets
2464 warn "reattaching attachments to maps"; 2749 warn "reattaching attachments to maps";
2465 reattach $_ for values %MAP; 2750 reattach $_ for values %MAP;
2466 2751 warn "reattaching attachments to players";
2467 warn "loading reloadable resources"; 2752 reattach $_ for values %PLAYER;
2468 init_resources;
2469 2753
2470 warn "leaving sync_job"; 2754 warn "leaving sync_job";
2471 2755
2472 1 2756 1
2473 } or do { 2757 } or do {
2479 warn "reloaded"; 2763 warn "reloaded";
2480}; 2764};
2481 2765
2482our $RELOAD_WATCHER; # used only during reload 2766our $RELOAD_WATCHER; # used only during reload
2483 2767
2768sub reload_perl() {
2769 # doing reload synchronously and two reloads happen back-to-back,
2770 # coro crashes during coro_state_free->destroy here.
2771
2772 $RELOAD_WATCHER ||= Event->timer (
2773 reentrant => 0,
2774 after => 0,
2775 data => WF_AUTOCANCEL,
2776 cb => sub {
2777 do_reload_perl;
2778 undef $RELOAD_WATCHER;
2779 },
2780 );
2781}
2782
2484register_command "reload" => sub { 2783register_command "reload" => sub {
2485 my ($who, $arg) = @_; 2784 my ($who, $arg) = @_;
2486 2785
2487 if ($who->flag (FLAG_WIZ)) { 2786 if ($who->flag (FLAG_WIZ)) {
2488 $who->message ("reloading server."); 2787 $who->message ("reloading server.");
2489 2788 async { reload_perl };
2490 # doing reload synchronously and two reloads happen back-to-back,
2491 # coro crashes during coro_state_free->destroy here.
2492
2493 $RELOAD_WATCHER ||= Event->timer (
2494 reentrant => 0,
2495 after => 0,
2496 data => WF_AUTOCANCEL,
2497 cb => sub {
2498 reload;
2499 undef $RELOAD_WATCHER;
2500 },
2501 );
2502 } 2789 }
2503}; 2790};
2504 2791
2505unshift @INC, $LIBDIR; 2792unshift @INC, $LIBDIR;
2506 2793
2507my $bug_warning = 0; 2794my $bug_warning = 0;
2795
2796our @WAIT_FOR_TICK;
2797our @WAIT_FOR_TICK_BEGIN;
2798
2799sub wait_for_tick {
2800 return unless $TICK_WATCHER->is_active;
2801 return if $Coro::current == $Coro::main;
2802
2803 my $signal = new Coro::Signal;
2804 push @WAIT_FOR_TICK, $signal;
2805 $signal->wait;
2806}
2807
2808sub wait_for_tick_begin {
2809 return unless $TICK_WATCHER->is_active;
2810 return if $Coro::current == $Coro::main;
2811
2812 my $signal = new Coro::Signal;
2813 push @WAIT_FOR_TICK_BEGIN, $signal;
2814 $signal->wait;
2815}
2508 2816
2509$TICK_WATCHER = Event->timer ( 2817$TICK_WATCHER = Event->timer (
2510 reentrant => 0, 2818 reentrant => 0,
2511 parked => 1, 2819 parked => 1,
2512 prio => 0, 2820 prio => 0,
2520 } 2828 }
2521 2829
2522 $NOW = Event::time; 2830 $NOW = Event::time;
2523 2831
2524 cf::server_tick; # one server iteration 2832 cf::server_tick; # one server iteration
2833
2525 $RUNTIME += $TICK; 2834 $RUNTIME += $TICK;
2526 $NEXT_TICK += $TICK; 2835 $NEXT_TICK += $TICK;
2527 2836
2528 if ($NOW >= $NEXT_RUNTIME_WRITE) { 2837 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2529 $NEXT_RUNTIME_WRITE = $NOW + 10; 2838 $NEXT_RUNTIME_WRITE = $NOW + 10;
2531 write_runtime 2840 write_runtime
2532 or warn "ERROR: unable to write runtime file: $!"; 2841 or warn "ERROR: unable to write runtime file: $!";
2533 }; 2842 };
2534 } 2843 }
2535 2844
2536 $WAIT_FOR_TICK->broadcast;
2537 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2538
2539# my $AFTER = Event::time; 2845# my $AFTER = Event::time;
2540# warn $AFTER - $NOW;#d# 2846# warn $AFTER - $NOW;#d#
2541 2847
2542 # if we are delayed by four ticks or more, skip them all 2848 # if we are delayed by four ticks or more, skip them all
2543 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2849 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2544 2850
2545 $TICK_WATCHER->at ($NEXT_TICK); 2851 $TICK_WATCHER->at ($NEXT_TICK);
2546 $TICK_WATCHER->start; 2852 $TICK_WATCHER->start;
2853
2854 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2855 $sig->send;
2856 }
2857 while (my $sig = shift @WAIT_FOR_TICK) {
2858 $sig->send;
2859 }
2860
2861 _post_tick;
2547 }, 2862 },
2548); 2863);
2549 2864
2550{ 2865{
2551 BDB::max_poll_time $TICK * 0.1; 2866 BDB::max_poll_time $TICK * 0.1;
2579 2894
2580 cf::sync_job { 2895 cf::sync_job {
2581 eval { 2896 eval {
2582 BDB::db_env_open 2897 BDB::db_env_open
2583 $DB_ENV, 2898 $DB_ENV,
2584 $BDB_ENV_DIR, 2899 $BDBDIR,
2585 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 2900 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2586 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 2901 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2587 0666; 2902 0666;
2588 2903
2589 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 2904 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2590 2905
2591 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 2906 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2592 $DB_ENV->set_lk_detect; 2907 $DB_ENV->set_lk_detect;
2593 }; 2908 };
2594 2909
2610 prio => 6, 2925 prio => 6,
2611 cb => \&IO::AIO::poll_cb, 2926 cb => \&IO::AIO::poll_cb,
2612 ); 2927 );
2613} 2928}
2614 2929
2930# load additional modules
2931use cf::pod;
2932
2615END { cf::emergency_save } 2933END { cf::emergency_save }
2616 2934
26171 29351
2618 2936

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