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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.268 by root, Tue May 22 10:50:00 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
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
48our $RELOAD; # number of reloads so far 57our $RELOAD; # number of reloads so far
49our @EVENT; 58our @EVENT;
50our $LIBDIR = datadir . "/ext";
51 59
52our $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(!)
53our $TICK_WATCHER; 73our $TICK_WATCHER;
54our $AIO_POLL_WATCHER; 74our $AIO_POLL_WATCHER;
55our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56our $NEXT_TICK; 76our $NEXT_TICK;
57our $NOW; 77our $NOW;
66our $RUNTIME; 86our $RUNTIME;
67 87
68our %PLAYER; # all users 88our %PLAYER; # all users
69our %MAP; # all maps 89our %MAP; # all maps
70our $LINK_MAP; # the special {link} map, which is always available 90our $LINK_MAP; # the special {link} map, which is always available
71our $RANDOM_MAPS = cf::localdir . "/random";
72our $BDB_ENV_DIR = cf::localdir . "/db";
73
74our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76 91
77# 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 ∕
78our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79 94
95our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing
97our $tick_start; # for load detecting purposes
98
80binmode STDOUT; 99binmode STDOUT;
81binmode STDERR; 100binmode STDERR;
82 101
83# read virtual server time, if available 102# read virtual server time, if available
84unless ($RUNTIME || !-e cf::localdir . "/runtime") { 103unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85 open my $fh, "<", cf::localdir . "/runtime" 104 open my $fh, "<", "$LOCALDIR/runtime"
86 or die "unable to read runtime file: $!"; 105 or die "unable to read runtime file: $!";
87 $RUNTIME = <$fh> + 0.; 106 $RUNTIME = <$fh> + 0.;
88} 107}
89 108
90mkdir cf::localdir; 109mkdir $_
91mkdir cf::localdir . "/" . cf::playerdir; 110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92mkdir cf::localdir . "/" . cf::tmpdir;
93mkdir cf::localdir . "/" . cf::uniquedir;
94mkdir $RANDOM_MAPS;
95mkdir $BDB_ENV_DIR;
96 111
97our $EMERGENCY_POSITION; 112our $EMERGENCY_POSITION;
98 113
99sub cf::map::normalise; 114sub cf::map::normalise;
100 115
111=item $cf::RUNTIME 126=item $cf::RUNTIME
112 127
113The time this server has run, starts at 0 and is increased by $cf::TICK on 128The time this server has run, starts at 0 and is increased by $cf::TICK on
114every server tick. 129every server tick.
115 130
116=item $cf::LIBDIR 131=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
132$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
133$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
117 134
118The perl library directory, where extensions and cf-specific modules can 135Various directories - "/etc", read-only install directory, perl-library
119be found. It will be added to C<@INC> automatically. 136directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137unique-items directory, player file directory, random maps directory and
138database environment.
120 139
121=item $cf::NOW 140=item $cf::NOW
122 141
123The time of the last (current) server tick. 142The time of the last (current) server tick.
124 143
125=item $cf::TICK 144=item $cf::TICK
126 145
127The interval between server ticks, in seconds. 146The interval between server ticks, in seconds.
147
148=item $cf::LOADAVG
149
150The current CPU load on the server (alpha-smoothed), as a value between 0
151(none) and 1 (overloaded), indicating how much time is spent on processing
152objects per tick. Healthy values are < 0.5.
153
154=item $cf::LOAD
155
156The raw value load value from the last tick.
128 157
129=item %cf::CFG 158=item %cf::CFG
130 159
131Configuration for the server, loaded from C</etc/crossfire/config>, or 160Configuration for the server, loaded from C</etc/crossfire/config>, or
132from wherever your confdir points to. 161from wherever your confdir points to.
133 162
134=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 163=item cf::wait_for_tick, cf::wait_for_tick_begin
135 164
136These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
137or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 166returns directly I<after> the tick processing (and consequently, can only wake one process
138processing has been done. Call C<< ->wait >> on them to maximise the 167per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
139window of cpu time available, or simply to synchronise to the server tick.
140 168
141=back 169=back
142 170
143=cut 171=cut
144 172
145BEGIN { 173BEGIN {
146 *CORE::GLOBAL::warn = sub { 174 *CORE::GLOBAL::warn = sub {
147 my $msg = join "", @_; 175 my $msg = join "", @_;
148 utf8::encode $msg;
149 176
150 $msg .= "\n" 177 $msg .= "\n"
151 unless $msg =~ /\n$/; 178 unless $msg =~ /\n$/;
152 179
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181
182 utf8::encode $msg;
153 LOG llevError, $msg; 183 LOG llevError, $msg;
154 }; 184 };
155} 185}
156 186
157@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
203 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 233 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204 $d 234 $d
205 } || "[unable to dump $_[0]: '$@']"; 235 } || "[unable to dump $_[0]: '$@']";
206} 236}
207 237
208use JSON::Syck (); # TODO# replace by JSON::PC once working 238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
209 239
210=item $ref = cf::from_json $json 240=item $ref = cf::from_json $json
211 241
212Converts a JSON string into the corresponding perl data structure. 242Converts a JSON string into the corresponding perl data structure.
213 243
214=cut
215
216sub from_json($) {
217 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218 JSON::Syck::Load $_[0]
219}
220
221=item $json = cf::to_json $ref 244=item $json = cf::to_json $ref
222 245
223Converts a perl data structure into its JSON representation. 246Converts a perl data structure into its JSON representation.
224
225=cut
226
227sub to_json($) {
228 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
229 JSON::Syck::Dump $_[0]
230}
231 247
232=item cf::lock_wait $string 248=item cf::lock_wait $string
233 249
234Wait until the given lock is available. See cf::lock_acquire. 250Wait until the given lock is available. See cf::lock_acquire.
235 251
241returned. 257returned.
242 258
243Lock names should begin with a unique identifier (for example, cf::map::find 259Lock names should begin with a unique identifier (for example, cf::map::find
244uses map_find and cf::map::load uses map_load). 260uses map_find and cf::map::load uses map_load).
245 261
262=item $locked = cf::lock_active $string
263
264Return true if the lock is currently active, i.e. somebody has locked it.
265
246=cut 266=cut
247 267
248our %LOCK; 268our %LOCK;
249 269
250sub lock_wait($) { 270sub lock_wait($) {
267 287
268 Coro::guard { 288 Coro::guard {
269 # wake up all waiters, to be on the safe side 289 # wake up all waiters, to be on the safe side
270 $_->ready for @{ delete $LOCK{$key} }; 290 $_->ready for @{ delete $LOCK{$key} };
271 } 291 }
292}
293
294sub lock_active($) {
295 my ($key) = @_;
296
297 ! ! $LOCK{$key}
272} 298}
273 299
274sub freeze_mainloop { 300sub freeze_mainloop {
275 return unless $TICK_WATCHER->is_active; 301 return unless $TICK_WATCHER->is_active;
276 302
306 332
307sub sync_job(&) { 333sub sync_job(&) {
308 my ($job) = @_; 334 my ($job) = @_;
309 335
310 if ($Coro::current == $Coro::main) { 336 if ($Coro::current == $Coro::main) {
337 my $time = Event::time;
338
311 # this is the main coro, too bad, we have to block 339 # this is the main coro, too bad, we have to block
312 # till the operation succeeds, freezing the server :/ 340 # till the operation succeeds, freezing the server :/
313 341
314 # TODO: use suspend/resume instead 342 # TODO: use suspend/resume instead
315 # (but this is cancel-safe) 343 # (but this is cancel-safe)
326 354
327 while ($busy) { 355 while ($busy) {
328 Coro::cede or Event::one_event; 356 Coro::cede or Event::one_event;
329 } 357 }
330 358
359 $time = Event::time - $time;
360
361 LOG llevError | logBacktrace, Carp::longmess "long sync job"
362 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364 $tick_start += $time; # do not account sync jobs to server load
365
331 wantarray ? @res : $res[0] 366 wantarray ? @res : $res[0]
332 } else { 367 } else {
333 # we are in another coroutine, how wonderful, everything just works 368 # we are in another coroutine, how wonderful, everything just works
334 369
335 $job->() 370 $job->()
355 390
356 $coro 391 $coro
357} 392}
358 393
359sub write_runtime { 394sub write_runtime {
395 my $runtime = "$LOCALDIR/runtime";
396
397 # first touch the runtime file to show we are still running:
398 # the fsync below can take a very very long time.
399
400 if (my $fh = aio_open $runtime, O_WRONLY, 0) {
401 utime undef, undef, $fh;
402 }
403
360 my $guard = cf::lock_acquire "write_runtime"; 404 my $guard = cf::lock_acquire "write_runtime";
361
362 my $runtime = cf::localdir . "/runtime";
363 405
364 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 406 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
365 or return; 407 or return;
366 408
367 my $value = $cf::RUNTIME + 90 + 10; 409 my $value = $cf::RUNTIME + 90 + 10;
373 415
374 # always fsync - this file is important 416 # always fsync - this file is important
375 aio_fsync $fh 417 aio_fsync $fh
376 and return; 418 and return;
377 419
420 # touch it again to show we are up-to-date
421 utime undef, undef, $fh;
422
378 close $fh 423 close $fh
379 or return; 424 or return;
380 425
381 aio_rename "$runtime~", $runtime 426 aio_rename "$runtime~", $runtime
382 and return; 427 and return;
383 428
429 warn "runtime file written.\n";#d#
430
384 1 431 1
432}
433
434=item cf::datalog type => key => value, ...
435
436Log a datalog packet of the given type with the given key-value pairs.
437
438=cut
439
440sub datalog($@) {
441 my ($type, %kv) = @_;
442 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385} 443}
386 444
387=back 445=back
388 446
389=cut 447=cut
569 $registry = $CB_TYPE[$object_type] ||= []; 627 $registry = $CB_TYPE[$object_type] ||= [];
570 628
571 } elsif ($type eq "subtype") { 629 } elsif ($type eq "subtype") {
572 defined $object_type or Carp::croak "subtype specified without type"; 630 defined $object_type or Carp::croak "subtype specified without type";
573 my $object_subtype = shift @arg; 631 my $object_subtype = shift @arg;
574 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 632 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575 633
576 } elsif ($type eq "package") { 634 } elsif ($type eq "package") {
577 my $pkg = shift @arg; 635 my $pkg = shift @arg;
578 636
579 while (my ($name, $id) = each %cb_id) { 637 while (my ($name, $id) = each %cb_id) {
620 if (ref $_[0]) { 678 if (ref $_[0]) {
621 _object_attach @_; 679 _object_attach @_;
622 } else { 680 } else {
623 _attach shift->_attach_registry, @_; 681 _attach shift->_attach_registry, @_;
624 } 682 }
683 _recalc_want;
625}; 684};
626 685
627# all those should be optimised 686# all those should be optimised
628sub cf::attachable::detach { 687sub cf::attachable::detach {
629 my ($obj, $name) = @_; 688 my ($obj, $name) = @_;
632 delete $obj->{_attachment}{$name}; 691 delete $obj->{_attachment}{$name};
633 reattach ($obj); 692 reattach ($obj);
634 } else { 693 } else {
635 Carp::croak "cannot, currently, detach class attachments"; 694 Carp::croak "cannot, currently, detach class attachments";
636 } 695 }
696 _recalc_want;
637}; 697};
638 698
639sub cf::attachable::attached { 699sub cf::attachable::attached {
640 my ($obj, $name) = @_; 700 my ($obj, $name) = @_;
641 701
951Returns the given player object, loading it if necessary (might block). 1011Returns the given player object, loading it if necessary (might block).
952 1012
953=cut 1013=cut
954 1014
955sub playerdir($) { 1015sub playerdir($) {
956 cf::localdir 1016 "$PLAYERDIR/"
957 . "/"
958 . cf::playerdir
959 . "/"
960 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1017 . (ref $_[0] ? $_[0]->ob->name : $_[0])
961} 1018}
962 1019
963sub path($) { 1020sub path($) {
964 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1021 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965 1022
966 (playerdir $login) . "/$login.pl" 1023 (playerdir $login) . "/playerdata"
967} 1024}
968 1025
969sub find_active($) { 1026sub find_active($) {
970 $cf::PLAYER{$_[0]} 1027 $cf::PLAYER{$_[0]}
971 and $cf::PLAYER{$_[0]}->active 1028 and $cf::PLAYER{$_[0]}->active
984 my $login = $_[0]; 1041 my $login = $_[0];
985 1042
986 my $guard = cf::lock_acquire "user_find:$login"; 1043 my $guard = cf::lock_acquire "user_find:$login";
987 1044
988 $cf::PLAYER{$_[0]} || do { 1045 $cf::PLAYER{$_[0]} || do {
1046 # rename old playerfiles to new ones
1047 #TODO: remove when no longer required
1048 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051 aio_unlink +(playerdir $login) . "/$login.pl";
1052
989 my $pl = load_pl path $login 1053 my $pl = load_pl path $login
990 or return; 1054 or return;
991 $cf::PLAYER{$login} = $pl 1055 $cf::PLAYER{$login} = $pl
992 } 1056 }
993 } 1057 }
1077while and may block, so not sync_job-capable, ever. 1141while and may block, so not sync_job-capable, ever.
1078 1142
1079=cut 1143=cut
1080 1144
1081sub list_logins { 1145sub list_logins {
1082 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1146 my $dirs = aio_readdir $PLAYERDIR
1083 or return []; 1147 or return [];
1084 1148
1085 my @logins; 1149 my @logins;
1086 1150
1087 for my $login (@$dirs) { 1151 for my $login (@$dirs) {
1122 } 1186 }
1123 1187
1124 \@paths 1188 \@paths
1125} 1189}
1126 1190
1127=item $player->ext_reply ($msgid, $msgtype, %msg) 1191=item $player->ext_reply ($msgid, %msg)
1128 1192
1129Sends an ext reply to the player. 1193Sends an ext reply to the player.
1130 1194
1131=cut 1195=cut
1132 1196
1133sub ext_reply($$$%) { 1197sub ext_reply($$%) {
1134 my ($self, $id, %msg) = @_; 1198 my ($self, $id, %msg) = @_;
1135 1199
1136 $msg{msgid} = $id; 1200 $msg{msgid} = $id;
1137 1201
1138 $self->send ("ext " . cf::to_json \%msg); 1202 $self->send ("ext " . cf::to_json \%msg);
1139} 1203}
1140 1204
1141package cf; 1205=item $player->ext_event ($type, %msg)
1206
1207Sends an ext event to the client.
1208
1209=cut
1210
1211sub ext_event($$%) {
1212 my ($self, $type, %msg) = @_;
1213
1214 $self->ns->ext_event ($type, %msg);
1215}
1216
1217=head3 cf::region
1218
1219=over 4
1220
1221=cut
1222
1223package cf::region;
1224
1225=item cf::region::find_by_path $path
1226
1227Tries to decuce the probable region for a map knowing only its path.
1228
1229=cut
1230
1231sub find_by_path($) {
1232 my ($path) = @_;
1233
1234 my ($match, $specificity);
1235
1236 for my $region (list) {
1237 if ($region->match && $path =~ $region->match) {
1238 ($match, $specificity) = ($region, $region->specificity)
1239 if $region->specificity > $specificity;
1240 }
1241 }
1242
1243 $match
1244}
1142 1245
1143=back 1246=back
1144
1145 1247
1146=head3 cf::map 1248=head3 cf::map
1147 1249
1148=over 4 1250=over 4
1149 1251
1287 1389
1288# the original (read-only) location 1390# the original (read-only) location
1289sub load_path { 1391sub load_path {
1290 my ($self) = @_; 1392 my ($self) = @_;
1291 1393
1292 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1394 "$MAPDIR/$self->{path}.map"
1293} 1395}
1294 1396
1295# the temporary/swap location 1397# the temporary/swap location
1296sub save_path { 1398sub save_path {
1297 my ($self) = @_; 1399 my ($self) = @_;
1298 1400
1299 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1401 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1402 "$TMPDIR/$path.map"
1301} 1403}
1302 1404
1303# the unique path, undef == no special unique path 1405# the unique path, undef == no special unique path
1304sub uniq_path { 1406sub uniq_path {
1305 my ($self) = @_; 1407 my ($self) = @_;
1306 1408
1307 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1409 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1410 "$UNIQUEDIR/$path"
1309} 1411}
1310 1412
1311# and all this just because we cannot iterate over 1413# and all this just because we cannot iterate over
1312# all maps in C++... 1414# all maps in C++...
1313sub change_all_map_light { 1415sub change_all_map_light {
1380 $self->load_header_orig 1482 $self->load_header_orig
1381 or return; 1483 or return;
1382 $self->prepare_orig; 1484 $self->prepare_orig;
1383 } 1485 }
1384 1486
1487 $self->default_region (cf::region::find_by_path $self->{path})
1488 unless $self->default_region;
1489
1385 1 1490 1
1386} 1491}
1387 1492
1388sub find; 1493sub find;
1389sub find { 1494sub find {
1422 my ($self) = @_; 1527 my ($self) = @_;
1423 1528
1424 local $self->{deny_reset} = 1; # loading can take a long time 1529 local $self->{deny_reset} = 1; # loading can take a long time
1425 1530
1426 my $path = $self->{path}; 1531 my $path = $self->{path};
1532
1533 {
1427 my $guard = cf::lock_acquire "map_load:$path"; 1534 my $guard = cf::lock_acquire "map_load:$path";
1428 1535
1429 return if $self->in_memory != cf::MAP_SWAPPED; 1536 return if $self->in_memory != cf::MAP_SWAPPED;
1430 1537
1431 $self->in_memory (cf::MAP_LOADING); 1538 $self->in_memory (cf::MAP_LOADING);
1432 1539
1433 $self->alloc; 1540 $self->alloc;
1434 1541
1435 $self->pre_load; 1542 $self->pre_load;
1436
1437 $self->_load_objects ($self->{load_path}, 1)
1438 or return;
1439
1440 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441 if delete $self->{load_original};
1442
1443 if (my $uniq = $self->uniq_path) {
1444 utf8::encode $uniq;
1445 if (aio_open $uniq, O_RDONLY, 0) {
1446 $self->clear_unique_items;
1447 $self->_load_objects ($uniq, 0);
1448 }
1449 }
1450
1451 Coro::cede;
1452
1453 # now do the right thing for maps
1454 $self->link_multipart_objects;
1455
1456 unless ($self->{deny_activate}) {
1457 $self->decay_objects;
1458 $self->fix_auto_apply;
1459 $self->update_buttons;
1460 Coro::cede; 1543 Coro::cede;
1461 $self->set_darkness_map; 1544
1545 $self->_load_objects ($self->{load_path}, 1)
1546 or return;
1547
1548 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549 if delete $self->{load_original};
1550
1551 if (my $uniq = $self->uniq_path) {
1552 utf8::encode $uniq;
1553 if (aio_open $uniq, O_RDONLY, 0) {
1554 $self->clear_unique_items;
1555 $self->_load_objects ($uniq, 0);
1556 }
1557 }
1558
1559 Coro::cede;
1560 # now do the right thing for maps
1561 $self->link_multipart_objects;
1462 $self->difficulty ($self->estimate_difficulty) 1562 $self->difficulty ($self->estimate_difficulty)
1463 unless $self->difficulty; 1563 unless $self->difficulty;
1464 Coro::cede; 1564 Coro::cede;
1565
1566 unless ($self->{deny_activate}) {
1567 $self->decay_objects;
1568 $self->fix_auto_apply;
1569 $self->update_buttons;
1570 Coro::cede;
1571 $self->set_darkness_map;
1572 Coro::cede;
1465 $self->activate; 1573 $self->activate;
1574 }
1575
1576 $self->in_memory (cf::MAP_IN_MEMORY);
1466 } 1577 }
1467 1578
1468 $self->post_load; 1579 $self->post_load;
1469
1470 $self->in_memory (cf::MAP_IN_MEMORY);
1471} 1580}
1472 1581
1473sub customise_for { 1582sub customise_for {
1474 my ($self, $ob) = @_; 1583 my ($self, $ob) = @_;
1475 1584
1666instantiated unique items. May block. 1775instantiated unique items. May block.
1667 1776
1668=cut 1777=cut
1669 1778
1670sub unique_maps() { 1779sub unique_maps() {
1671 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 1780 my $files = aio_readdir $UNIQUEDIR
1672 or return; 1781 or return;
1673 1782
1674 my @paths; 1783 my @paths;
1675 1784
1676 for (@$files) { 1785 for (@$files) {
1866 })->prio (2); 1975 })->prio (2);
1867 } 1976 }
1868 }, 1977 },
1869); 1978);
1870 1979
1871=item $player_object->goto ($path, $x, $y) 1980=item $player_object->goto ($path, $x, $y[, $check->($map)])
1981
1982Moves the player to the given map-path and coordinates by first freezing
1983her, loading and preparing them map, calling the provided $check callback
1984that has to return the map if sucecssful, and then unfreezes the player on
1985the new (success) or old (failed) map position.
1872 1986
1873=cut 1987=cut
1874 1988
1875sub cf::object::player::goto { 1989sub cf::object::player::goto {
1876 my ($self, $path, $x, $y) = @_; 1990 my ($self, $path, $x, $y, $check) = @_;
1991
1992 #d# #TODO#
1993 if ($check && !ref $check) {
1994 warn Carp::longmess "goto called with non-ref check argument";#d#
1995 undef $check;
1996 }
1877 1997
1878 $self->enter_link; 1998 $self->enter_link;
1879 1999
1880 (async { 2000 (async {
1881 my $map = eval { 2001 my $map = eval {
1882 my $map = cf::map::find $path; 2002 my $map = cf::map::find $path;
2003
2004 if ($map) {
1883 $map = $map->customise_for ($self) if $map; 2005 $map = $map->customise_for ($self);
2006 $map = $check->($map) if $check && $map;
2007 } else {
2008 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2009 }
2010
1884 $map 2011 $map
2012 };
2013
2014 if ($@) {
2015 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2016 LOG llevError | logBacktrace, Carp::longmess $@;
1885 } or 2017 }
1886 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887 2018
1888 $self->leave_link ($map, $x, $y); 2019 $self->leave_link ($map, $x, $y);
1889 })->prio (1); 2020 })->prio (1);
1890} 2021}
1891 2022
1932 2063
1933 $rmp->{random_seed} ||= $exit->random_seed; 2064 $rmp->{random_seed} ||= $exit->random_seed;
1934 2065
1935 my $data = cf::to_json $rmp; 2066 my $data = cf::to_json $rmp;
1936 my $md5 = Digest::MD5::md5_hex $data; 2067 my $md5 = Digest::MD5::md5_hex $data;
1937 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2068 my $meta = "$RANDOMDIR/$md5.meta";
1938 2069
1939 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2070 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940 aio_write $fh, 0, (length $data), $data, 0; 2071 aio_write $fh, 0, (length $data), $data, 0;
1941 undef $fh; 2072 undef $fh;
1942 aio_rename "$meta~", $meta; 2073 aio_rename "$meta~", $meta;
1951 2082
1952 return unless $self->type == cf::PLAYER; 2083 return unless $self->type == cf::PLAYER;
1953 2084
1954 if ($exit->slaying eq "/!") { 2085 if ($exit->slaying eq "/!") {
1955 #TODO: this should de-fi-ni-te-ly not be a sync-job 2086 #TODO: this should de-fi-ni-te-ly not be a sync-job
2087 # the problem is that $exit might not survive long enough
2088 # so it needs to be done right now, right here
1956 cf::sync_job { prepare_random_map $exit }; 2089 cf::sync_job { prepare_random_map $exit };
1957 } 2090 }
1958 2091
1959 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2092 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960 my $hp = $exit->stats->hp; 2093 my $hp = $exit->stats->hp;
1968 $self->goto ($slaying, $hp, $sp); 2101 $self->goto ($slaying, $hp, $sp);
1969 2102
1970 1; 2103 1;
1971 }) { 2104 }) {
1972 $self->message ("Something went wrong deep within the crossfire server. " 2105 $self->message ("Something went wrong deep within the crossfire server. "
1973 . "I'll try to bring you back to the map you were before. " 2106 . "I'll try to bring you back to the map you were before. "
1974 . "Please report this to the dungeon master!", 2107 . "Please report this to the dungeon master!",
1975 cf::NDI_UNIQUE | cf::NDI_RED); 2108 cf::NDI_UNIQUE | cf::NDI_RED);
1976 2109
1977 warn "ERROR in enter_exit: $@"; 2110 warn "ERROR in enter_exit: $@";
1978 $self->leave_link; 2111 $self->leave_link;
1979 } 2112 }
1980 })->prio (1); 2113 })->prio (1);
1993 2126
1994sub cf::client::send_drawinfo { 2127sub cf::client::send_drawinfo {
1995 my ($self, $text, $flags) = @_; 2128 my ($self, $text, $flags) = @_;
1996 2129
1997 utf8::encode $text; 2130 utf8::encode $text;
1998 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2131 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999} 2132}
2000 2133
2134=item $client->ext_event ($type, %msg)
2135
2136Sends an exti event to the client.
2137
2138=cut
2139
2140sub cf::client::ext_event($$%) {
2141 my ($self, $type, %msg) = @_;
2142
2143 $msg{msgtype} = "event_$type";
2144 $self->send_packet ("ext " . cf::to_json \%msg);
2145}
2001 2146
2002=item $success = $client->query ($flags, "text", \&cb) 2147=item $success = $client->query ($flags, "text", \&cb)
2003 2148
2004Queues a query to the client, calling the given callback with 2149Queues a query to the client, calling the given callback with
2005the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2150the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2102 2247
2103# here we export the classes and methods available to script code 2248# here we export the classes and methods available to script code
2104 2249
2105=pod 2250=pod
2106 2251
2107The following fucntions and emthods are available within a safe environment: 2252The following functions and methods are available within a safe environment:
2108 2253
2109 cf::object contr pay_amount pay_player map 2254 cf::object contr pay_amount pay_player map
2110 cf::object::player player 2255 cf::object::player player
2111 cf::player peaceful 2256 cf::player peaceful
2112 cf::map trigger 2257 cf::map trigger
2197############################################################################# 2342#############################################################################
2198 2343
2199=head2 EXTENSION DATABASE SUPPORT 2344=head2 EXTENSION DATABASE SUPPORT
2200 2345
2201Crossfire maintains a very simple database for extension use. It can 2346Crossfire maintains a very simple database for extension use. It can
2202currently store anything that can be serialised using Storable, which 2347currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2203excludes objects. 2348convert to/from binary).
2204 2349
2205The parameter C<$family> should best start with the name of the extension 2350The parameter C<$family> should best start with the name of the extension
2206using it, it should be unique. 2351using it, it should be unique.
2207 2352
2208=over 4 2353=over 4
2231 BDB::CREATE | BDB::AUTO_COMMIT, 0666; 2376 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232 cf::cleanup "db_open(db): $!" if $!; 2377 cf::cleanup "db_open(db): $!" if $!;
2233 }; 2378 };
2234 cf::cleanup "db_open(db): $@" if $@; 2379 cf::cleanup "db_open(db): $@" if $@;
2235 }; 2380 };
2236
2237 my $path = cf::localdir . "/database.pst";
2238 if (stat $path) {
2239 cf::sync_job {
2240 my $pst = Storable::retrieve $path;
2241
2242 cf::db_put (board => data => $pst->{board});
2243 cf::db_put (guildrules => data => $pst->{guildrules});
2244 cf::db_put (rent => balance => $pst->{rent}{balance});
2245 BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247 unlink $path;
2248 };
2249 }
2250 } 2381 }
2251} 2382}
2252 2383
2253sub db_get($$) { 2384sub db_get($$) {
2254 my $key = "$_[0]/$_[1]"; 2385 my $key = "$_[0]/$_[1]";
2255 2386
2256 cf::sync_job { 2387 cf::sync_job {
2257 BDB::db_get $DB, undef, $key, my $data; 2388 BDB::db_get $DB, undef, $key, my $data;
2258 2389
2259 $! ? () 2390 $! ? ()
2260 : Compress::LZF::sthaw $data 2391 : $data
2261 } 2392 }
2262} 2393}
2263 2394
2264sub db_put($$$) { 2395sub db_put($$$) {
2265 BDB::dbreq_pri 4; 2396 BDB::dbreq_pri 4;
2266 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { }; 2397 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2267} 2398}
2399
2400=item cf::cache $id => [$paths...], $processversion => $process
2401
2402Generic caching function that returns the value of the resource $id,
2403caching and regenerating as required.
2404
2405This function can block.
2406
2407=cut
2408
2409sub cache {
2410 my ($id, $src, $processversion, $process) = @_;
2411
2412 my $meta =
2413 join "\x00",
2414 $processversion,
2415 map {
2416 aio_stat $_
2417 and Carp::croak "$_: $!";
2418
2419 ($_, (stat _)[7,9])
2420 } @$src;
2421
2422 my $dbmeta = db_get cache => "$id/meta";
2423 if ($dbmeta ne $meta) {
2424 # changed, we may need to process
2425
2426 my @data;
2427 my $md5;
2428
2429 for (0 .. $#$src) {
2430 0 <= aio_load $src->[$_], $data[$_]
2431 or Carp::croak "$src->[$_]: $!";
2432 }
2433
2434 # if processing is expensive, check
2435 # checksum first
2436 if (1) {
2437 $md5 =
2438 join "\x00",
2439 $processversion,
2440 map {
2441 Coro::cede;
2442 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2443 } 0.. $#$src;
2444
2445
2446 my $dbmd5 = db_get cache => "$id/md5";
2447 if ($dbmd5 eq $md5) {
2448 db_put cache => "$id/meta", $meta;
2449
2450 return db_get cache => "$id/data";
2451 }
2452 }
2453
2454 my $t1 = Time::HiRes::time;
2455 my $data = $process->(\@data);
2456 my $t2 = Time::HiRes::time;
2457
2458 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2459
2460 db_put cache => "$id/data", $data;
2461 db_put cache => "$id/md5" , $md5;
2462 db_put cache => "$id/meta", $meta;
2463
2464 return $data;
2465 }
2466
2467 db_get cache => "$id/data"
2468}
2469
2470=item fork_call { }, $args
2471
2472Executes the given code block with the given arguments in a seperate
2473process, returning the results. Everything must be serialisable with
2474Coro::Storable. May, of course, block. Note that the executed sub may
2475never block itself or use any form of Event handling.
2476
2477=cut
2478
2479sub fork_call(&@) {
2480 my ($cb, @args) = @_;
2481
2482# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2483# or die "socketpair: $!";
2484 pipe my $fh1, my $fh2
2485 or die "pipe: $!";
2486
2487 if (my $pid = fork) {
2488 close $fh2;
2489
2490 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2491 $res = Coro::Storable::thaw $res;
2492
2493 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2494
2495 die $$res unless "ARRAY" eq ref $res;
2496
2497 return wantarray ? @$res : $res->[-1];
2498 } else {
2499 reset_signals;
2500 local $SIG{__WARN__};
2501 local $SIG{__DIE__};
2502 eval {
2503 close $fh1;
2504
2505 my @res = eval { $cb->(@args) };
2506 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2507 };
2508
2509 warn $@ if $@;
2510 _exit 0;
2511 }
2512}
2513
2514
2268 2515
2269############################################################################# 2516#############################################################################
2270# the server's init and main functions 2517# the server's init and main functions
2271 2518
2272sub load_faces { 2519sub load_facedata($) {
2273 my $path = sprintf "%s/faces", cf::datadir; 2520 my ($path) = @_;
2274 2521
2275 warn "loading faces from $path\n"; 2522 warn "loading facedata from $path\n";
2276 2523
2277 my $faces; 2524 my $facedata;
2278 0 < aio_load $path, $faces 2525 0 < aio_load $path, $facedata
2279 or die "$path: $!"; 2526 or die "$path: $!";
2280 2527
2281 Coro::cede;
2282 $faces = Storable::thaw $faces; 2528 $facedata = Coro::Storable::thaw $facedata;
2283 Coro::cede;
2284 2529
2530 $facedata->{version} == 2
2531 or cf::cleanup "$path: version mismatch, cannot proceed.";
2532
2533 {
2534 my $faces = $facedata->{faceinfo};
2535
2285 while (my ($face, $info) = each %$faces) { 2536 while (my ($face, $info) = each %$faces) {
2286 my $idx = (cf::face::find $face) || cf::face::alloc $face; 2537 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 2538 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2288 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 2539 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2540 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2289 Coro::cede; 2541 Coro::cede;
2542 }
2543
2544 while (my ($face, $info) = each %$faces) {
2545 next unless $info->{smooth};
2546 my $idx = cf::face::find $face
2547 or next;
2548 if (my $smooth = cf::face::find $info->{smooth}) {
2549 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2550 } else {
2551 warn "smooth face '$info->{smooth}' not found for face '$face'";
2552 }
2553 Coro::cede;
2554 }
2555 }
2556
2557 {
2558 my $anims = $facedata->{animinfo};
2559
2560 while (my ($anim, $info) = each %$anims) {
2561 cf::anim::set $anim, $info->{frames}, $info->{facings};
2562 Coro::cede;
2563 }
2564
2565 cf::anim::invalidate_all; # d'oh
2290 } 2566 }
2291 2567
2292 1 2568 1
2293} 2569}
2294 2570
2571sub reload_regions {
2572 load_resource_file "$MAPDIR/regions"
2573 or die "unable to load regions file\n";
2574}
2575
2576sub reload_facedata {
2577 load_facedata "$DATADIR/facedata"
2578 or die "unable to load facedata\n";
2579}
2580
2581sub reload_archetypes {
2582 load_resource_file "$DATADIR/archetypes"
2583 or die "unable to load archetypes\n";
2584}
2585
2586sub reload_treasures {
2587 load_resource_file "$DATADIR/treasures"
2588 or die "unable to load treasurelists\n";
2589}
2590
2295sub reload_resources { 2591sub reload_resources {
2296 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2592 warn "reloading resource files...\n";
2297 or die "unable to load regions file\n";#d# 2593
2594 reload_regions;
2298 load_faces 2595 reload_facedata;
2299 or die "unable to load faces\n";#d# 2596 reload_archetypes;
2597 reload_treasures;
2598
2599 warn "finished reloading resource files\n";
2300} 2600}
2301 2601
2302sub init { 2602sub init {
2303 reload_resources; 2603 reload_resources;
2304} 2604}
2305 2605
2306sub cfg_load { 2606sub cfg_load {
2307 open my $fh, "<:utf8", cf::confdir . "/config" 2607 open my $fh, "<:utf8", "$CONFDIR/config"
2308 or return; 2608 or return;
2309 2609
2310 local $/; 2610 local $/;
2311 *CFG = YAML::Syck::Load <$fh>; 2611 *CFG = YAML::Syck::Load <$fh>;
2312 2612
2397 2697
2398 warn Carp::longmess "post_cleanup backtrace" 2698 warn Carp::longmess "post_cleanup backtrace"
2399 if $make_core; 2699 if $make_core;
2400} 2700}
2401 2701
2402sub reload() { 2702sub do_reload_perl() {
2403 # can/must only be called in main 2703 # can/must only be called in main
2404 if ($Coro::current != $Coro::main) { 2704 if ($Coro::current != $Coro::main) {
2405 warn "can only reload from main coroutine"; 2705 warn "can only reload from main coroutine";
2406 return; 2706 return;
2407 } 2707 }
2482 Symbol::delete_package "safe::$_" 2782 Symbol::delete_package "safe::$_"
2483 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2783 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484 2784
2485 warn "unloading cf.pm \"a bit\""; 2785 warn "unloading cf.pm \"a bit\"";
2486 delete $INC{"cf.pm"}; 2786 delete $INC{"cf.pm"};
2787 delete $INC{"cf/pod.pm"};
2487 2788
2488 # don't, removes xs symbols, too, 2789 # don't, removes xs symbols, too,
2489 # and global variables created in xs 2790 # and global variables created in xs
2490 #Symbol::delete_package __PACKAGE__; 2791 #Symbol::delete_package __PACKAGE__;
2491 2792
2506 warn "reattaching attachments to maps"; 2807 warn "reattaching attachments to maps";
2507 reattach $_ for values %MAP; 2808 reattach $_ for values %MAP;
2508 warn "reattaching attachments to players"; 2809 warn "reattaching attachments to players";
2509 reattach $_ for values %PLAYER; 2810 reattach $_ for values %PLAYER;
2510 2811
2511 warn "loading reloadable resources";
2512 reload_resources;
2513
2514 warn "leaving sync_job"; 2812 warn "leaving sync_job";
2515 2813
2516 1 2814 1
2517 } or do { 2815 } or do {
2518 warn $@; 2816 warn $@;
2523 warn "reloaded"; 2821 warn "reloaded";
2524}; 2822};
2525 2823
2526our $RELOAD_WATCHER; # used only during reload 2824our $RELOAD_WATCHER; # used only during reload
2527 2825
2826sub reload_perl() {
2827 # doing reload synchronously and two reloads happen back-to-back,
2828 # coro crashes during coro_state_free->destroy here.
2829
2830 $RELOAD_WATCHER ||= Event->timer (
2831 reentrant => 0,
2832 after => 0,
2833 data => WF_AUTOCANCEL,
2834 cb => sub {
2835 do_reload_perl;
2836 undef $RELOAD_WATCHER;
2837 },
2838 );
2839}
2840
2528register_command "reload" => sub { 2841register_command "reload" => sub {
2529 my ($who, $arg) = @_; 2842 my ($who, $arg) = @_;
2530 2843
2531 if ($who->flag (FLAG_WIZ)) { 2844 if ($who->flag (FLAG_WIZ)) {
2532 $who->message ("reloading server."); 2845 $who->message ("reloading server.");
2533 2846 async { reload_perl };
2534 # doing reload synchronously and two reloads happen back-to-back,
2535 # coro crashes during coro_state_free->destroy here.
2536
2537 $RELOAD_WATCHER ||= Event->timer (
2538 reentrant => 0,
2539 after => 0,
2540 data => WF_AUTOCANCEL,
2541 cb => sub {
2542 reload;
2543 undef $RELOAD_WATCHER;
2544 },
2545 );
2546 } 2847 }
2547}; 2848};
2548 2849
2549unshift @INC, $LIBDIR; 2850unshift @INC, $LIBDIR;
2550 2851
2551my $bug_warning = 0; 2852my $bug_warning = 0;
2552 2853
2854our @WAIT_FOR_TICK;
2855our @WAIT_FOR_TICK_BEGIN;
2856
2857sub wait_for_tick {
2858 return unless $TICK_WATCHER->is_active;
2859 return if $Coro::current == $Coro::main;
2860
2861 my $signal = new Coro::Signal;
2862 push @WAIT_FOR_TICK, $signal;
2863 $signal->wait;
2864}
2865
2866sub wait_for_tick_begin {
2867 return unless $TICK_WATCHER->is_active;
2868 return if $Coro::current == $Coro::main;
2869
2870 my $signal = new Coro::Signal;
2871 push @WAIT_FOR_TICK_BEGIN, $signal;
2872 $signal->wait;
2873}
2874
2875 my $min = 1e6;#d#
2876 my $avg = 10;
2553$TICK_WATCHER = Event->timer ( 2877$TICK_WATCHER = Event->timer (
2554 reentrant => 0, 2878 reentrant => 0,
2555 parked => 1, 2879 parked => 1,
2556 prio => 0, 2880 prio => 0,
2557 at => $NEXT_TICK || $TICK, 2881 at => $NEXT_TICK || $TICK,
2561 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 2885 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562 unless ++$bug_warning > 10; 2886 unless ++$bug_warning > 10;
2563 return; 2887 return;
2564 } 2888 }
2565 2889
2566 $NOW = Event::time; 2890 $NOW = $tick_start = Event::time;
2567 2891
2568 cf::server_tick; # one server iteration 2892 cf::server_tick; # one server iteration
2893
2894 0 && sync_job {#d#
2895 for(1..10) {
2896 my $t = Event::time;
2897 my $map = my $map = new_from_path cf::map "/tmp/x.map"
2898 or die;
2899
2900 $map->width (50);
2901 $map->height (50);
2902 $map->alloc;
2903 $map->_load_objects ("/tmp/x.map", 1);
2904 my $t = Event::time - $t;
2905
2906 #next unless $t < 0.0013;#d#
2907 if ($t < $min) {
2908 $min = $t;
2909 }
2910 $avg = $avg * 0.99 + $t * 0.01;
2911 }
2912 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2913 exit 0;
2914 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2915 };
2916
2569 $RUNTIME += $TICK; 2917 $RUNTIME += $TICK;
2570 $NEXT_TICK += $TICK; 2918 $NEXT_TICK += $TICK;
2571 2919
2572 if ($NOW >= $NEXT_RUNTIME_WRITE) { 2920 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573 $NEXT_RUNTIME_WRITE = $NOW + 10; 2921 $NEXT_RUNTIME_WRITE = $NOW + 10;
2575 write_runtime 2923 write_runtime
2576 or warn "ERROR: unable to write runtime file: $!"; 2924 or warn "ERROR: unable to write runtime file: $!";
2577 }; 2925 };
2578 } 2926 }
2579 2927
2580 $WAIT_FOR_TICK->broadcast;
2581 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583# my $AFTER = Event::time; 2928# my $AFTER = Event::time;
2584# warn $AFTER - $NOW;#d# 2929# warn $AFTER - $NOW;#d#
2585 2930
2931 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2932 $sig->send;
2933 }
2934 while (my $sig = shift @WAIT_FOR_TICK) {
2935 $sig->send;
2936 }
2937
2938 $NOW = Event::time;
2939
2586 # if we are delayed by four ticks or more, skip them all 2940 # if we are delayed by four ticks or more, skip them all
2587 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2941 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2588 2942
2589 $TICK_WATCHER->at ($NEXT_TICK); 2943 $TICK_WATCHER->at ($NEXT_TICK);
2590 $TICK_WATCHER->start; 2944 $TICK_WATCHER->start;
2945
2946 $LOAD = ($NOW - $tick_start) / $TICK;
2947 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2948
2949 _post_tick;
2950
2951
2591 }, 2952 },
2592); 2953);
2593 2954
2594{ 2955{
2595 BDB::max_poll_time $TICK * 0.1; 2956 BDB::max_poll_time $TICK * 0.1;
2623 2984
2624 cf::sync_job { 2985 cf::sync_job {
2625 eval { 2986 eval {
2626 BDB::db_env_open 2987 BDB::db_env_open
2627 $DB_ENV, 2988 $DB_ENV,
2628 $BDB_ENV_DIR, 2989 $BDBDIR,
2629 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 2990 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 2991 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631 0666; 2992 0666;
2632 2993
2633 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 2994 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634 2995
2635 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 2996 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636 $DB_ENV->set_lk_detect; 2997 $DB_ENV->set_lk_detect;
2637 }; 2998 };
2638 2999
2654 prio => 6, 3015 prio => 6,
2655 cb => \&IO::AIO::poll_cb, 3016 cb => \&IO::AIO::poll_cb,
2656 ); 3017 );
2657} 3018}
2658 3019
3020my $_log_backtrace;
3021
3022sub _log_backtrace {
3023 my ($msg, @addr) = @_;
3024
3025 $msg =~ s/\n//;
3026
3027 # limit the # of concurrent backtraces
3028 if ($_log_backtrace < 2) {
3029 ++$_log_backtrace;
3030 async {
3031 my @bt = fork_call {
3032 @addr = map { sprintf "%x", $_ } @addr;
3033 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3034 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3035 or die "addr2line: $!";
3036
3037 my @funcs;
3038 my @res = <$fh>;
3039 chomp for @res;
3040 while (@res) {
3041 my ($func, $line) = splice @res, 0, 2, ();
3042 push @funcs, "[$func] $line";
3043 }
3044
3045 @funcs
3046 };
3047
3048 LOG llevInfo, "[ABT] $msg\n";
3049 LOG llevInfo, "[ABT] $_\n" for @bt;
3050 --$_log_backtrace;
3051 };
3052 } else {
3053 LOG llevInfo, "[ABT] $msg\n";
3054 LOG llevInfo, "[ABT] [suppressed]\n";
3055 }
3056}
3057
3058# load additional modules
3059use cf::pod;
3060
2659END { cf::emergency_save } 3061END { cf::emergency_save }
2660 3062
26611 30631
2662 3064

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