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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.225 by root, Wed Mar 14 00:04:58 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;
9use Event; 10use Event;
10use Opcode; 11use Opcode;
11use Safe; 12use Safe;
12use Safe::Hole; 13use Safe::Hole;
13 14
14use Coro 3.52 (); 15use Coro 3.61 ();
15use Coro::State; 16use Coro::State;
17use Coro::Handle;
16use Coro::Event; 18use Coro::Event;
17use Coro::Timer; 19use Coro::Timer;
18use Coro::Signal; 20use Coro::Signal;
19use Coro::Semaphore; 21use Coro::Semaphore;
20use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable;
21 24
22use BDB (); 25use BDB ();
23use Data::Dumper; 26use Data::Dumper;
24use Digest::MD5; 27use Digest::MD5;
25use Fcntl; 28use Fcntl;
29use YAML::Syck ();
26use IO::AIO 2.32 (); 30use IO::AIO 2.32 ();
27use YAML::Syck ();
28use Time::HiRes; 31use Time::HiRes;
29use Compress::LZF; 32use Compress::LZF;
30 33
34# configure various modules to our taste
35#
36$Storable::canonical = 1; # reduce rsync transfers
31Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
32Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
33$Event::Eval = 1; # no idea why this is required, but it is 40$Event::Eval = 1; # no idea why this is required, but it is
34
35sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36 41
37# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
38$YAML::Syck::ImplicitUnicode = 1; 43$YAML::Syck::ImplicitUnicode = 1;
39 44
40$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
41 48
42our %COMMAND = (); 49our %COMMAND = ();
43our %COMMAND_TIME = (); 50our %COMMAND_TIME = ();
44 51
45our @EXTS = (); # list of extension package names 52our @EXTS = (); # list of extension package names
47our %EXT_CORO = (); # coroutines bound to extensions 54our %EXT_CORO = (); # coroutines bound to extensions
48our %EXT_MAP = (); # pluggable maps 55our %EXT_MAP = (); # pluggable maps
49 56
50our $RELOAD; # number of reloads so far 57our $RELOAD; # number of reloads so far
51our @EVENT; 58our @EVENT;
52our $LIBDIR = datadir . "/ext";
53 59
54our $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(!)
55our $TICK_WATCHER; 73our $TICK_WATCHER;
56our $AIO_POLL_WATCHER; 74our $AIO_POLL_WATCHER;
57our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58our $NEXT_TICK; 76our $NEXT_TICK;
59our $NOW; 77our $NOW;
68our $RUNTIME; 86our $RUNTIME;
69 87
70our %PLAYER; # all users 88our %PLAYER; # all users
71our %MAP; # all maps 89our %MAP; # all maps
72our $LINK_MAP; # the special {link} map, which is always available 90our $LINK_MAP; # the special {link} map, which is always available
73our $RANDOM_MAPS = cf::localdir . "/random";
74our $BDB_ENV_DIR = cf::localdir . "/db";
75
76our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78 91
79# 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 ∕
80our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81 94
82binmode STDOUT; 95binmode STDOUT;
83binmode STDERR; 96binmode STDERR;
84 97
85# read virtual server time, if available 98# read virtual server time, if available
86unless ($RUNTIME || !-e cf::localdir . "/runtime") { 99unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
87 open my $fh, "<", cf::localdir . "/runtime" 100 open my $fh, "<", "$LOCALDIR/runtime"
88 or die "unable to read runtime file: $!"; 101 or die "unable to read runtime file: $!";
89 $RUNTIME = <$fh> + 0.; 102 $RUNTIME = <$fh> + 0.;
90} 103}
91 104
92mkdir cf::localdir; 105mkdir $_
93mkdir cf::localdir . "/" . cf::playerdir; 106 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94mkdir cf::localdir . "/" . cf::tmpdir;
95mkdir cf::localdir . "/" . cf::uniquedir;
96mkdir $RANDOM_MAPS;
97mkdir $BDB_ENV_DIR;
98 107
99our $EMERGENCY_POSITION; 108our $EMERGENCY_POSITION;
100 109
101sub cf::map::normalise; 110sub cf::map::normalise;
102 111
113=item $cf::RUNTIME 122=item $cf::RUNTIME
114 123
115The 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
116every server tick. 125every server tick.
117 126
118=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
119 130
120The perl library directory, where extensions and cf-specific modules can 131Various directories - "/etc", read-only install directory, perl-library
121be 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.
122 135
123=item $cf::NOW 136=item $cf::NOW
124 137
125The time of the last (current) server tick. 138The time of the last (current) server tick.
126 139
131=item %cf::CFG 144=item %cf::CFG
132 145
133Configuration for the server, loaded from C</etc/crossfire/config>, or 146Configuration for the server, loaded from C</etc/crossfire/config>, or
134from wherever your confdir points to. 147from wherever your confdir points to.
135 148
136=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 149=item cf::wait_for_tick, cf::wait_for_tick_begin
137 150
138These 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
139or 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
140processing 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.
141window of cpu time available, or simply to synchronise to the server tick.
142 154
143=back 155=back
144 156
145=cut 157=cut
146 158
147BEGIN { 159BEGIN {
148 *CORE::GLOBAL::warn = sub { 160 *CORE::GLOBAL::warn = sub {
149 my $msg = join "", @_; 161 my $msg = join "", @_;
150 utf8::encode $msg;
151 162
152 $msg .= "\n" 163 $msg .= "\n"
153 unless $msg =~ /\n$/; 164 unless $msg =~ /\n$/;
154 165
166 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167
168 utf8::encode $msg;
155 LOG llevError, $msg; 169 LOG llevError, $msg;
156 }; 170 };
157} 171}
158 172
159@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 173@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
205 $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;
206 $d 220 $d
207 } || "[unable to dump $_[0]: '$@']"; 221 } || "[unable to dump $_[0]: '$@']";
208} 222}
209 223
210use JSON::Syck (); # TODO# replace by JSON::PC once working 224use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
211 225
212=item $ref = cf::from_json $json 226=item $ref = cf::from_json $json
213 227
214Converts a JSON string into the corresponding perl data structure. 228Converts a JSON string into the corresponding perl data structure.
215 229
216=cut
217
218sub from_json($) {
219 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220 JSON::Syck::Load $_[0]
221}
222
223=item $json = cf::to_json $ref 230=item $json = cf::to_json $ref
224 231
225Converts a perl data structure into its JSON representation. 232Converts a perl data structure into its JSON representation.
226
227=cut
228
229sub to_json($) {
230 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
231 JSON::Syck::Dump $_[0]
232}
233 233
234=item cf::lock_wait $string 234=item cf::lock_wait $string
235 235
236Wait until the given lock is available. See cf::lock_acquire. 236Wait until the given lock is available. See cf::lock_acquire.
237 237
243returned. 243returned.
244 244
245Lock 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
246uses map_find and cf::map::load uses map_load). 246uses map_find and cf::map::load uses map_load).
247 247
248=item $locked = cf::lock_active $string
249
250Return true if the lock is currently active, i.e. somebody has locked it.
251
248=cut 252=cut
249 253
250our %LOCK; 254our %LOCK;
251 255
252sub lock_wait($) { 256sub lock_wait($) {
269 273
270 Coro::guard { 274 Coro::guard {
271 # wake up all waiters, to be on the safe side 275 # wake up all waiters, to be on the safe side
272 $_->ready for @{ delete $LOCK{$key} }; 276 $_->ready for @{ delete $LOCK{$key} };
273 } 277 }
278}
279
280sub lock_active($) {
281 my ($key) = @_;
282
283 ! ! $LOCK{$key}
274} 284}
275 285
276sub freeze_mainloop { 286sub freeze_mainloop {
277 return unless $TICK_WATCHER->is_active; 287 return unless $TICK_WATCHER->is_active;
278 288
359} 369}
360 370
361sub write_runtime { 371sub write_runtime {
362 my $guard = cf::lock_acquire "write_runtime"; 372 my $guard = cf::lock_acquire "write_runtime";
363 373
364 my $runtime = cf::localdir . "/runtime"; 374 my $runtime = "$LOCALDIR/runtime";
365 375
366 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 376 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
367 or return; 377 or return;
368 378
369 my $value = $cf::RUNTIME + 90 + 10; 379 my $value = $cf::RUNTIME + 90 + 10;
382 392
383 aio_rename "$runtime~", $runtime 393 aio_rename "$runtime~", $runtime
384 and return; 394 and return;
385 395
386 1 396 1
397}
398
399=item cf::datalog type => key => value, ...
400
401Log a datalog packet of the given type with the given key-value pairs.
402
403=cut
404
405sub datalog($@) {
406 my ($type, %kv) = @_;
407 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387} 408}
388 409
389=back 410=back
390 411
391=cut 412=cut
953Returns the given player object, loading it if necessary (might block). 974Returns the given player object, loading it if necessary (might block).
954 975
955=cut 976=cut
956 977
957sub playerdir($) { 978sub playerdir($) {
958 cf::localdir 979 "$PLAYERDIR/"
959 . "/"
960 . cf::playerdir
961 . "/"
962 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 980 . (ref $_[0] ? $_[0]->ob->name : $_[0])
963} 981}
964 982
965sub path($) { 983sub path($) {
966 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 984 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967 985
968 (playerdir $login) . "/$login.pl" 986 (playerdir $login) . "/playerdata"
969} 987}
970 988
971sub find_active($) { 989sub find_active($) {
972 $cf::PLAYER{$_[0]} 990 $cf::PLAYER{$_[0]}
973 and $cf::PLAYER{$_[0]}->active 991 and $cf::PLAYER{$_[0]}->active
986 my $login = $_[0]; 1004 my $login = $_[0];
987 1005
988 my $guard = cf::lock_acquire "user_find:$login"; 1006 my $guard = cf::lock_acquire "user_find:$login";
989 1007
990 $cf::PLAYER{$_[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
991 my $pl = load_pl path $login 1016 my $pl = load_pl path $login
992 or return; 1017 or return;
993 $cf::PLAYER{$login} = $pl 1018 $cf::PLAYER{$login} = $pl
994 } 1019 }
995 } 1020 }
1079while and may block, so not sync_job-capable, ever. 1104while and may block, so not sync_job-capable, ever.
1080 1105
1081=cut 1106=cut
1082 1107
1083sub list_logins { 1108sub list_logins {
1084 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1109 my $dirs = aio_readdir $PLAYERDIR
1085 or return []; 1110 or return [];
1086 1111
1087 my @logins; 1112 my @logins;
1088 1113
1089 for my $login (@$dirs) { 1114 for my $login (@$dirs) {
1124 } 1149 }
1125 1150
1126 \@paths 1151 \@paths
1127} 1152}
1128 1153
1129=item $player->ext_reply ($msgid, $msgtype, %msg) 1154=item $player->ext_reply ($msgid, %msg)
1130 1155
1131Sends an ext reply to the player. 1156Sends an ext reply to the player.
1132 1157
1133=cut 1158=cut
1134 1159
1135sub ext_reply($$$%) { 1160sub ext_reply($$%) {
1136 my ($self, $id, %msg) = @_; 1161 my ($self, $id, %msg) = @_;
1137 1162
1138 $msg{msgid} = $id; 1163 $msg{msgid} = $id;
1139 1164
1140 $self->send ("ext " . cf::to_json \%msg); 1165 $self->send ("ext " . cf::to_json \%msg);
1141} 1166}
1142 1167
1143package 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}
1144 1208
1145=back 1209=back
1146
1147 1210
1148=head3 cf::map 1211=head3 cf::map
1149 1212
1150=over 4 1213=over 4
1151 1214
1289 1352
1290# the original (read-only) location 1353# the original (read-only) location
1291sub load_path { 1354sub load_path {
1292 my ($self) = @_; 1355 my ($self) = @_;
1293 1356
1294 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1357 "$MAPDIR/$self->{path}.map"
1295} 1358}
1296 1359
1297# the temporary/swap location 1360# the temporary/swap location
1298sub save_path { 1361sub save_path {
1299 my ($self) = @_; 1362 my ($self) = @_;
1300 1363
1301 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1364 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1365 "$TMPDIR/$path.map"
1303} 1366}
1304 1367
1305# the unique path, undef == no special unique path 1368# the unique path, undef == no special unique path
1306sub uniq_path { 1369sub uniq_path {
1307 my ($self) = @_; 1370 my ($self) = @_;
1308 1371
1309 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1372 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1373 "$UNIQUEDIR/$path"
1311} 1374}
1312 1375
1313# and all this just because we cannot iterate over 1376# and all this just because we cannot iterate over
1314# all maps in C++... 1377# all maps in C++...
1315sub change_all_map_light { 1378sub change_all_map_light {
1382 $self->load_header_orig 1445 $self->load_header_orig
1383 or return; 1446 or return;
1384 $self->prepare_orig; 1447 $self->prepare_orig;
1385 } 1448 }
1386 1449
1450 $self->default_region (cf::region::find_by_path $self->{path})
1451 unless $self->default_region;
1452
1387 1 1453 1
1388} 1454}
1389 1455
1390sub find; 1456sub find;
1391sub find { 1457sub find {
1424 my ($self) = @_; 1490 my ($self) = @_;
1425 1491
1426 local $self->{deny_reset} = 1; # loading can take a long time 1492 local $self->{deny_reset} = 1; # loading can take a long time
1427 1493
1428 my $path = $self->{path}; 1494 my $path = $self->{path};
1495
1496 {
1429 my $guard = cf::lock_acquire "map_load:$path"; 1497 my $guard = cf::lock_acquire "map_load:$path";
1430 1498
1431 return if $self->in_memory != cf::MAP_SWAPPED; 1499 return if $self->in_memory != cf::MAP_SWAPPED;
1432 1500
1433 $self->in_memory (cf::MAP_LOADING); 1501 $self->in_memory (cf::MAP_LOADING);
1434 1502
1435 $self->alloc; 1503 $self->alloc;
1436 1504
1437 $self->pre_load; 1505 $self->pre_load;
1438
1439 $self->_load_objects ($self->{load_path}, 1)
1440 or return;
1441
1442 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443 if delete $self->{load_original};
1444
1445 if (my $uniq = $self->uniq_path) {
1446 utf8::encode $uniq;
1447 if (aio_open $uniq, O_RDONLY, 0) {
1448 $self->clear_unique_items;
1449 $self->_load_objects ($uniq, 0);
1450 }
1451 }
1452
1453 Coro::cede;
1454
1455 # now do the right thing for maps
1456 $self->link_multipart_objects;
1457
1458 unless ($self->{deny_activate}) {
1459 $self->decay_objects;
1460 $self->fix_auto_apply;
1461 $self->update_buttons;
1462 Coro::cede; 1506 Coro::cede;
1463 $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;
1464 $self->difficulty ($self->estimate_difficulty) 1525 $self->difficulty ($self->estimate_difficulty)
1465 unless $self->difficulty; 1526 unless $self->difficulty;
1466 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;
1467 $self->activate; 1536 $self->activate;
1537 }
1538
1539 $self->in_memory (cf::MAP_IN_MEMORY);
1540
1541 undef $guard;
1468 } 1542 }
1469 1543
1470 $self->post_load; 1544 $self->post_load;
1471
1472 $self->in_memory (cf::MAP_IN_MEMORY);
1473} 1545}
1474 1546
1475sub customise_for { 1547sub customise_for {
1476 my ($self, $ob) = @_; 1548 my ($self, $ob) = @_;
1477 1549
1668instantiated unique items. May block. 1740instantiated unique items. May block.
1669 1741
1670=cut 1742=cut
1671 1743
1672sub unique_maps() { 1744sub unique_maps() {
1673 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 1745 my $files = aio_readdir $UNIQUEDIR
1674 or return; 1746 or return;
1675 1747
1676 my @paths; 1748 my @paths;
1677 1749
1678 for (@$files) { 1750 for (@$files) {
1934 2006
1935 $rmp->{random_seed} ||= $exit->random_seed; 2007 $rmp->{random_seed} ||= $exit->random_seed;
1936 2008
1937 my $data = cf::to_json $rmp; 2009 my $data = cf::to_json $rmp;
1938 my $md5 = Digest::MD5::md5_hex $data; 2010 my $md5 = Digest::MD5::md5_hex $data;
1939 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2011 my $meta = "$RANDOMDIR/$md5.meta";
1940 2012
1941 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2013 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942 aio_write $fh, 0, (length $data), $data, 0; 2014 aio_write $fh, 0, (length $data), $data, 0;
1943 undef $fh; 2015 undef $fh;
1944 aio_rename "$meta~", $meta; 2016 aio_rename "$meta~", $meta;
1953 2025
1954 return unless $self->type == cf::PLAYER; 2026 return unless $self->type == cf::PLAYER;
1955 2027
1956 if ($exit->slaying eq "/!") { 2028 if ($exit->slaying eq "/!") {
1957 #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
1958 cf::sync_job { prepare_random_map $exit }; 2032 cf::sync_job { prepare_random_map $exit };
1959 } 2033 }
1960 2034
1961 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;
1962 my $hp = $exit->stats->hp; 2036 my $hp = $exit->stats->hp;
1970 $self->goto ($slaying, $hp, $sp); 2044 $self->goto ($slaying, $hp, $sp);
1971 2045
1972 1; 2046 1;
1973 }) { 2047 }) {
1974 $self->message ("Something went wrong deep within the crossfire server. " 2048 $self->message ("Something went wrong deep within the crossfire server. "
1975 . "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. "
1976 . "Please report this to the dungeon master!", 2050 . "Please report this to the dungeon master!",
1977 cf::NDI_UNIQUE | cf::NDI_RED); 2051 cf::NDI_UNIQUE | cf::NDI_RED);
1978 2052
1979 warn "ERROR in enter_exit: $@"; 2053 warn "ERROR in enter_exit: $@";
1980 $self->leave_link; 2054 $self->leave_link;
1981 } 2055 }
1982 })->prio (1); 2056 })->prio (1);
1998 2072
1999 utf8::encode $text; 2073 utf8::encode $text;
2000 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2074 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001} 2075}
2002 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}
2003 2089
2004=item $success = $client->query ($flags, "text", \&cb) 2090=item $success = $client->query ($flags, "text", \&cb)
2005 2091
2006Queues a query to the client, calling the given callback with 2092Queues a query to the client, calling the given callback with
2007the 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>,
2104 2190
2105# here we export the classes and methods available to script code 2191# here we export the classes and methods available to script code
2106 2192
2107=pod 2193=pod
2108 2194
2109The following fucntions and emthods are available within a safe environment: 2195The following functions and methods are available within a safe environment:
2110 2196
2111 cf::object contr pay_amount pay_player map 2197 cf::object contr pay_amount pay_player map
2112 cf::object::player player 2198 cf::object::player player
2113 cf::player peaceful 2199 cf::player peaceful
2114 cf::map trigger 2200 cf::map trigger
2199############################################################################# 2285#############################################################################
2200 2286
2201=head2 EXTENSION DATABASE SUPPORT 2287=head2 EXTENSION DATABASE SUPPORT
2202 2288
2203Crossfire maintains a very simple database for extension use. It can 2289Crossfire maintains a very simple database for extension use. It can
2204currently store anything that can be serialised using Storable, which 2290currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2205excludes objects. 2291convert to/from binary).
2206 2292
2207The 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
2208using it, it should be unique. 2294using it, it should be unique.
2209 2295
2210=over 4 2296=over 4
2233 BDB::CREATE | BDB::AUTO_COMMIT, 0666; 2319 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234 cf::cleanup "db_open(db): $!" if $!; 2320 cf::cleanup "db_open(db): $!" if $!;
2235 }; 2321 };
2236 cf::cleanup "db_open(db): $@" if $@; 2322 cf::cleanup "db_open(db): $@" if $@;
2237 }; 2323 };
2238
2239 my $path = cf::localdir . "/database.pst";
2240 if (stat $path) {
2241 cf::sync_job {
2242 my $pst = Storable::retrieve $path;
2243
2244 cf::db_put (board => data => $pst->{board});
2245 cf::db_put (guildrules => data => $pst->{guildrules});
2246 cf::db_put (rent => balance => $pst->{rent}{balance});
2247 BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249 unlink $path;
2250 };
2251 }
2252 } 2324 }
2253} 2325}
2254 2326
2255sub db_get($$) { 2327sub db_get($$) {
2256 my $key = "$_[0]/$_[1]"; 2328 my $key = "$_[0]/$_[1]";
2257 2329
2258 cf::sync_job { 2330 cf::sync_job {
2259 BDB::db_get $DB, undef, $key, my $data; 2331 BDB::db_get $DB, undef, $key, my $data;
2260 2332
2261 $! ? () 2333 $! ? ()
2262 : Compress::LZF::sthaw $data 2334 : $data
2263 } 2335 }
2264} 2336}
2265 2337
2266sub db_put($$$) { 2338sub db_put($$$) {
2267 BDB::dbreq_pri 4; 2339 BDB::dbreq_pri 4;
2268 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 { };
2269} 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 $@;
2452 _exit 0;
2453 }
2454}
2455
2456
2270 2457
2271############################################################################# 2458#############################################################################
2272# the server's init and main functions 2459# the server's init and main functions
2273 2460
2274sub load_faces { 2461sub load_facedata($) {
2275 my $path = sprintf "%s/faces", cf::datadir; 2462 my ($path) = @_;
2276 2463
2277 warn "loading faces from $path\n"; 2464 warn "loading facedata from $path\n";
2278 2465
2279 my $faces; 2466 my $facedata;
2280 0 < aio_load $path, $faces 2467 0 < aio_load $path, $facedata
2281 or die "$path: $!"; 2468 or die "$path: $!";
2282 2469
2283 Coro::cede;
2284 $faces = Storable::thaw $faces; 2470 $facedata = Coro::Storable::thaw $facedata;
2285 Coro::cede;
2286 2471
2472 $facedata->{version} == 2
2473 or cf::cleanup "$path: version mismatch, cannot proceed.";
2474
2475 {
2476 my $faces = $facedata->{faceinfo};
2477
2287 while (my ($face, $info) = each %$faces) { 2478 while (my ($face, $info) = each %$faces) {
2288 my $idx = (cf::face::find $face) || cf::face::alloc $face; 2479 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 2480 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2290 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 2481 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2482 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2291 Coro::cede; 2483 Coro::cede;
2292 } 2484 }
2293 2485
2294 while (my ($face, $info) = each %$faces) { 2486 while (my ($face, $info) = each %$faces) {
2295 next unless $info->{smooth}; 2487 next unless $info->{smooth};
2296 my $idx = cf::face::find $face 2488 my $idx = cf::face::find $face
2297 or next; 2489 or next;
2298 if (my $smooth = cf::face::find $info->{smooth}) { 2490 if (my $smooth = cf::face::find $info->{smooth}) {
2299 cf::face::set_smooth $idx, $smooth; 2491 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2300 warn "smooth $idx,$smooth ($face,$info->{smooth})\n";#d#
2301 } else { 2492 } else {
2302 warn "smooth face '$info->{smooth}' not found for face '$face'"; 2493 warn "smooth face '$info->{smooth}' not found for face '$face'";
2303 } 2494 }
2304 Coro::cede; 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}, $info->{facings};
2504 Coro::cede;
2505 }
2506
2507 cf::anim::invalidate_all; # d'oh
2305 } 2508 }
2306 2509
2307 1 2510 1
2308} 2511}
2309 2512
2513sub reload_regions {
2514 load_resource_file "$MAPDIR/regions"
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
2310sub reload_resources { 2533sub reload_resources {
2311 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2534 warn "reloading resource files...\n";
2312 or die "unable to load regions file\n";#d# 2535
2536 reload_regions;
2313 load_faces 2537 reload_facedata;
2314 or die "unable to load faces\n";#d# 2538 reload_archetypes;
2539 reload_treasures;
2540
2541 warn "finished reloading resource files\n";
2315} 2542}
2316 2543
2317sub init { 2544sub init {
2318 reload_resources; 2545 reload_resources;
2319} 2546}
2320 2547
2321sub cfg_load { 2548sub cfg_load {
2322 open my $fh, "<:utf8", cf::confdir . "/config" 2549 open my $fh, "<:utf8", "$CONFDIR/config"
2323 or return; 2550 or return;
2324 2551
2325 local $/; 2552 local $/;
2326 *CFG = YAML::Syck::Load <$fh>; 2553 *CFG = YAML::Syck::Load <$fh>;
2327 2554
2412 2639
2413 warn Carp::longmess "post_cleanup backtrace" 2640 warn Carp::longmess "post_cleanup backtrace"
2414 if $make_core; 2641 if $make_core;
2415} 2642}
2416 2643
2417sub reload() { 2644sub do_reload_perl() {
2418 # can/must only be called in main 2645 # can/must only be called in main
2419 if ($Coro::current != $Coro::main) { 2646 if ($Coro::current != $Coro::main) {
2420 warn "can only reload from main coroutine"; 2647 warn "can only reload from main coroutine";
2421 return; 2648 return;
2422 } 2649 }
2497 Symbol::delete_package "safe::$_" 2724 Symbol::delete_package "safe::$_"
2498 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);
2499 2726
2500 warn "unloading cf.pm \"a bit\""; 2727 warn "unloading cf.pm \"a bit\"";
2501 delete $INC{"cf.pm"}; 2728 delete $INC{"cf.pm"};
2729 delete $INC{"cf/pod.pm"};
2502 2730
2503 # don't, removes xs symbols, too, 2731 # don't, removes xs symbols, too,
2504 # and global variables created in xs 2732 # and global variables created in xs
2505 #Symbol::delete_package __PACKAGE__; 2733 #Symbol::delete_package __PACKAGE__;
2506 2734
2521 warn "reattaching attachments to maps"; 2749 warn "reattaching attachments to maps";
2522 reattach $_ for values %MAP; 2750 reattach $_ for values %MAP;
2523 warn "reattaching attachments to players"; 2751 warn "reattaching attachments to players";
2524 reattach $_ for values %PLAYER; 2752 reattach $_ for values %PLAYER;
2525 2753
2526 warn "loading reloadable resources";
2527 reload_resources;
2528
2529 warn "leaving sync_job"; 2754 warn "leaving sync_job";
2530 2755
2531 1 2756 1
2532 } or do { 2757 } or do {
2533 warn $@; 2758 warn $@;
2538 warn "reloaded"; 2763 warn "reloaded";
2539}; 2764};
2540 2765
2541our $RELOAD_WATCHER; # used only during reload 2766our $RELOAD_WATCHER; # used only during reload
2542 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 $RELOAD_WATCHER;
2779 },
2780 );
2781}
2782
2543register_command "reload" => sub { 2783register_command "reload" => sub {
2544 my ($who, $arg) = @_; 2784 my ($who, $arg) = @_;
2545 2785
2546 if ($who->flag (FLAG_WIZ)) { 2786 if ($who->flag (FLAG_WIZ)) {
2547 $who->message ("reloading server."); 2787 $who->message ("reloading server.");
2548 2788 async { reload_perl };
2549 # doing reload synchronously and two reloads happen back-to-back,
2550 # coro crashes during coro_state_free->destroy here.
2551
2552 $RELOAD_WATCHER ||= Event->timer (
2553 reentrant => 0,
2554 after => 0,
2555 data => WF_AUTOCANCEL,
2556 cb => sub {
2557 reload;
2558 undef $RELOAD_WATCHER;
2559 },
2560 );
2561 } 2789 }
2562}; 2790};
2563 2791
2564unshift @INC, $LIBDIR; 2792unshift @INC, $LIBDIR;
2565 2793
2566my $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 $signal->wait;
2815}
2567 2816
2568$TICK_WATCHER = Event->timer ( 2817$TICK_WATCHER = Event->timer (
2569 reentrant => 0, 2818 reentrant => 0,
2570 parked => 1, 2819 parked => 1,
2571 prio => 0, 2820 prio => 0,
2579 } 2828 }
2580 2829
2581 $NOW = Event::time; 2830 $NOW = Event::time;
2582 2831
2583 cf::server_tick; # one server iteration 2832 cf::server_tick; # one server iteration
2833
2584 $RUNTIME += $TICK; 2834 $RUNTIME += $TICK;
2585 $NEXT_TICK += $TICK; 2835 $NEXT_TICK += $TICK;
2586 2836
2587 if ($NOW >= $NEXT_RUNTIME_WRITE) { 2837 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2588 $NEXT_RUNTIME_WRITE = $NOW + 10; 2838 $NEXT_RUNTIME_WRITE = $NOW + 10;
2590 write_runtime 2840 write_runtime
2591 or warn "ERROR: unable to write runtime file: $!"; 2841 or warn "ERROR: unable to write runtime file: $!";
2592 }; 2842 };
2593 } 2843 }
2594 2844
2595 $WAIT_FOR_TICK->broadcast;
2596 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2597
2598# my $AFTER = Event::time; 2845# my $AFTER = Event::time;
2599# warn $AFTER - $NOW;#d# 2846# warn $AFTER - $NOW;#d#
2600 2847
2601 # 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
2602 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2849 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2603 2850
2604 $TICK_WATCHER->at ($NEXT_TICK); 2851 $TICK_WATCHER->at ($NEXT_TICK);
2605 $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;
2606 }, 2862 },
2607); 2863);
2608 2864
2609{ 2865{
2610 BDB::max_poll_time $TICK * 0.1; 2866 BDB::max_poll_time $TICK * 0.1;
2638 2894
2639 cf::sync_job { 2895 cf::sync_job {
2640 eval { 2896 eval {
2641 BDB::db_env_open 2897 BDB::db_env_open
2642 $DB_ENV, 2898 $DB_ENV,
2643 $BDB_ENV_DIR, 2899 $BDBDIR,
2644 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 2900 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2645 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 2901 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2646 0666; 2902 0666;
2647 2903
2648 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 2904 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2649 2905
2650 $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);
2651 $DB_ENV->set_lk_detect; 2907 $DB_ENV->set_lk_detect;
2652 }; 2908 };
2653 2909
2669 prio => 6, 2925 prio => 6,
2670 cb => \&IO::AIO::poll_cb, 2926 cb => \&IO::AIO::poll_cb,
2671 ); 2927 );
2672} 2928}
2673 2929
2930# load additional modules
2931use cf::pod;
2932
2674END { cf::emergency_save } 2933END { cf::emergency_save }
2675 2934
26761 29351
2677 2936

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