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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.272 by root, Sun Jun 3 15:32:50 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 IO::AIO::aio_utime $runtime, undef, undef;
401
360 my $guard = cf::lock_acquire "write_runtime"; 402 my $guard = cf::lock_acquire "write_runtime";
361
362 my $runtime = cf::localdir . "/runtime";
363 403
364 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 404 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
365 or return; 405 or return;
366 406
367 my $value = $cf::RUNTIME + 90 + 10; 407 my $value = $cf::RUNTIME + 90 + 10;
373 413
374 # always fsync - this file is important 414 # always fsync - this file is important
375 aio_fsync $fh 415 aio_fsync $fh
376 and return; 416 and return;
377 417
418 # touch it again to show we are up-to-date
419 aio_utime $fh, undef, undef;
420
378 close $fh 421 close $fh
379 or return; 422 or return;
380 423
381 aio_rename "$runtime~", $runtime 424 aio_rename "$runtime~", $runtime
382 and return; 425 and return;
383 426
427 warn "runtime file written.\n";#d#
428
384 1 429 1
430}
431
432=item cf::datalog type => key => value, ...
433
434Log a datalog packet of the given type with the given key-value pairs.
435
436=cut
437
438sub datalog($@) {
439 my ($type, %kv) = @_;
440 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385} 441}
386 442
387=back 443=back
388 444
389=cut 445=cut
569 $registry = $CB_TYPE[$object_type] ||= []; 625 $registry = $CB_TYPE[$object_type] ||= [];
570 626
571 } elsif ($type eq "subtype") { 627 } elsif ($type eq "subtype") {
572 defined $object_type or Carp::croak "subtype specified without type"; 628 defined $object_type or Carp::croak "subtype specified without type";
573 my $object_subtype = shift @arg; 629 my $object_subtype = shift @arg;
574 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 630 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575 631
576 } elsif ($type eq "package") { 632 } elsif ($type eq "package") {
577 my $pkg = shift @arg; 633 my $pkg = shift @arg;
578 634
579 while (my ($name, $id) = each %cb_id) { 635 while (my ($name, $id) = each %cb_id) {
620 if (ref $_[0]) { 676 if (ref $_[0]) {
621 _object_attach @_; 677 _object_attach @_;
622 } else { 678 } else {
623 _attach shift->_attach_registry, @_; 679 _attach shift->_attach_registry, @_;
624 } 680 }
681 _recalc_want;
625}; 682};
626 683
627# all those should be optimised 684# all those should be optimised
628sub cf::attachable::detach { 685sub cf::attachable::detach {
629 my ($obj, $name) = @_; 686 my ($obj, $name) = @_;
632 delete $obj->{_attachment}{$name}; 689 delete $obj->{_attachment}{$name};
633 reattach ($obj); 690 reattach ($obj);
634 } else { 691 } else {
635 Carp::croak "cannot, currently, detach class attachments"; 692 Carp::croak "cannot, currently, detach class attachments";
636 } 693 }
694 _recalc_want;
637}; 695};
638 696
639sub cf::attachable::attached { 697sub cf::attachable::attached {
640 my ($obj, $name) = @_; 698 my ($obj, $name) = @_;
641 699
951Returns the given player object, loading it if necessary (might block). 1009Returns the given player object, loading it if necessary (might block).
952 1010
953=cut 1011=cut
954 1012
955sub playerdir($) { 1013sub playerdir($) {
956 cf::localdir 1014 "$PLAYERDIR/"
957 . "/"
958 . cf::playerdir
959 . "/"
960 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1015 . (ref $_[0] ? $_[0]->ob->name : $_[0])
961} 1016}
962 1017
963sub path($) { 1018sub path($) {
964 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1019 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965 1020
966 (playerdir $login) . "/$login.pl" 1021 (playerdir $login) . "/playerdata"
967} 1022}
968 1023
969sub find_active($) { 1024sub find_active($) {
970 $cf::PLAYER{$_[0]} 1025 $cf::PLAYER{$_[0]}
971 and $cf::PLAYER{$_[0]}->active 1026 and $cf::PLAYER{$_[0]}->active
984 my $login = $_[0]; 1039 my $login = $_[0];
985 1040
986 my $guard = cf::lock_acquire "user_find:$login"; 1041 my $guard = cf::lock_acquire "user_find:$login";
987 1042
988 $cf::PLAYER{$_[0]} || do { 1043 $cf::PLAYER{$_[0]} || do {
1044 # rename old playerfiles to new ones
1045 #TODO: remove when no longer required
1046 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049 aio_unlink +(playerdir $login) . "/$login.pl";
1050
989 my $pl = load_pl path $login 1051 my $pl = load_pl path $login
990 or return; 1052 or return;
991 $cf::PLAYER{$login} = $pl 1053 $cf::PLAYER{$login} = $pl
992 } 1054 }
993 } 1055 }
1077while and may block, so not sync_job-capable, ever. 1139while and may block, so not sync_job-capable, ever.
1078 1140
1079=cut 1141=cut
1080 1142
1081sub list_logins { 1143sub list_logins {
1082 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1144 my $dirs = aio_readdir $PLAYERDIR
1083 or return []; 1145 or return [];
1084 1146
1085 my @logins; 1147 my @logins;
1086 1148
1087 for my $login (@$dirs) { 1149 for my $login (@$dirs) {
1122 } 1184 }
1123 1185
1124 \@paths 1186 \@paths
1125} 1187}
1126 1188
1127=item $player->ext_reply ($msgid, $msgtype, %msg) 1189=item $player->ext_reply ($msgid, %msg)
1128 1190
1129Sends an ext reply to the player. 1191Sends an ext reply to the player.
1130 1192
1131=cut 1193=cut
1132 1194
1133sub ext_reply($$$%) { 1195sub ext_reply($$%) {
1134 my ($self, $id, %msg) = @_; 1196 my ($self, $id, %msg) = @_;
1135 1197
1136 $msg{msgid} = $id; 1198 $msg{msgid} = $id;
1137 1199
1138 $self->send ("ext " . cf::to_json \%msg); 1200 $self->send ("ext " . cf::to_json \%msg);
1139} 1201}
1140 1202
1141package cf; 1203=item $player->ext_event ($type, %msg)
1204
1205Sends an ext event to the client.
1206
1207=cut
1208
1209sub ext_event($$%) {
1210 my ($self, $type, %msg) = @_;
1211
1212 $self->ns->ext_event ($type, %msg);
1213}
1214
1215=head3 cf::region
1216
1217=over 4
1218
1219=cut
1220
1221package cf::region;
1222
1223=item cf::region::find_by_path $path
1224
1225Tries to decuce the probable region for a map knowing only its path.
1226
1227=cut
1228
1229sub find_by_path($) {
1230 my ($path) = @_;
1231
1232 my ($match, $specificity);
1233
1234 for my $region (list) {
1235 if ($region->match && $path =~ $region->match) {
1236 ($match, $specificity) = ($region, $region->specificity)
1237 if $region->specificity > $specificity;
1238 }
1239 }
1240
1241 $match
1242}
1142 1243
1143=back 1244=back
1144
1145 1245
1146=head3 cf::map 1246=head3 cf::map
1147 1247
1148=over 4 1248=over 4
1149 1249
1287 1387
1288# the original (read-only) location 1388# the original (read-only) location
1289sub load_path { 1389sub load_path {
1290 my ($self) = @_; 1390 my ($self) = @_;
1291 1391
1292 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1392 "$MAPDIR/$self->{path}.map"
1293} 1393}
1294 1394
1295# the temporary/swap location 1395# the temporary/swap location
1296sub save_path { 1396sub save_path {
1297 my ($self) = @_; 1397 my ($self) = @_;
1298 1398
1299 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1399 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1400 "$TMPDIR/$path.map"
1301} 1401}
1302 1402
1303# the unique path, undef == no special unique path 1403# the unique path, undef == no special unique path
1304sub uniq_path { 1404sub uniq_path {
1305 my ($self) = @_; 1405 my ($self) = @_;
1306 1406
1307 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1407 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1408 "$UNIQUEDIR/$path"
1309} 1409}
1310 1410
1311# and all this just because we cannot iterate over 1411# and all this just because we cannot iterate over
1312# all maps in C++... 1412# all maps in C++...
1313sub change_all_map_light { 1413sub change_all_map_light {
1380 $self->load_header_orig 1480 $self->load_header_orig
1381 or return; 1481 or return;
1382 $self->prepare_orig; 1482 $self->prepare_orig;
1383 } 1483 }
1384 1484
1485 $self->default_region (cf::region::find_by_path $self->{path})
1486 unless $self->default_region;
1487
1385 1 1488 1
1386} 1489}
1387 1490
1388sub find; 1491sub find;
1389sub find { 1492sub find {
1422 my ($self) = @_; 1525 my ($self) = @_;
1423 1526
1424 local $self->{deny_reset} = 1; # loading can take a long time 1527 local $self->{deny_reset} = 1; # loading can take a long time
1425 1528
1426 my $path = $self->{path}; 1529 my $path = $self->{path};
1530
1531 {
1427 my $guard = cf::lock_acquire "map_load:$path"; 1532 my $guard = cf::lock_acquire "map_load:$path";
1428 1533
1429 return if $self->in_memory != cf::MAP_SWAPPED; 1534 return if $self->in_memory != cf::MAP_SWAPPED;
1430 1535
1431 $self->in_memory (cf::MAP_LOADING); 1536 $self->in_memory (cf::MAP_LOADING);
1432 1537
1433 $self->alloc; 1538 $self->alloc;
1434 1539
1435 $self->pre_load; 1540 $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; 1541 Coro::cede;
1461 $self->set_darkness_map; 1542
1543 $self->_load_objects ($self->{load_path}, 1)
1544 or return;
1545
1546 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547 if delete $self->{load_original};
1548
1549 if (my $uniq = $self->uniq_path) {
1550 utf8::encode $uniq;
1551 if (aio_open $uniq, O_RDONLY, 0) {
1552 $self->clear_unique_items;
1553 $self->_load_objects ($uniq, 0);
1554 }
1555 }
1556
1557 Coro::cede;
1558 # now do the right thing for maps
1559 $self->link_multipart_objects;
1462 $self->difficulty ($self->estimate_difficulty) 1560 $self->difficulty ($self->estimate_difficulty)
1463 unless $self->difficulty; 1561 unless $self->difficulty;
1464 Coro::cede; 1562 Coro::cede;
1563
1564 unless ($self->{deny_activate}) {
1565 $self->decay_objects;
1566 $self->fix_auto_apply;
1567 $self->update_buttons;
1568 Coro::cede;
1569 $self->set_darkness_map;
1570 Coro::cede;
1465 $self->activate; 1571 $self->activate;
1572 }
1573
1574 $self->in_memory (cf::MAP_IN_MEMORY);
1466 } 1575 }
1467 1576
1468 $self->post_load; 1577 $self->post_load;
1469
1470 $self->in_memory (cf::MAP_IN_MEMORY);
1471} 1578}
1472 1579
1473sub customise_for { 1580sub customise_for {
1474 my ($self, $ob) = @_; 1581 my ($self, $ob) = @_;
1475 1582
1666instantiated unique items. May block. 1773instantiated unique items. May block.
1667 1774
1668=cut 1775=cut
1669 1776
1670sub unique_maps() { 1777sub unique_maps() {
1671 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 1778 my $files = aio_readdir $UNIQUEDIR
1672 or return; 1779 or return;
1673 1780
1674 my @paths; 1781 my @paths;
1675 1782
1676 for (@$files) { 1783 for (@$files) {
1795 $self->deactivate_recursive; 1902 $self->deactivate_recursive;
1796 1903
1797 return if UNIVERSAL::isa $self->map, "ext::map_link"; 1904 return if UNIVERSAL::isa $self->map, "ext::map_link";
1798 1905
1799 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1906 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800 if $self->map; 1907 if $self->map && $self->map->{path} ne "{link}";
1801 1908
1802 $self->enter_map ($LINK_MAP || link_map, 10, 10); 1909 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1803} 1910}
1804 1911
1805sub cf::object::player::leave_link { 1912sub cf::object::player::leave_link {
1806 my ($self, $map, $x, $y) = @_; 1913 my ($self, $map, $x, $y) = @_;
1914
1915 return unless $self->contr->active;
1807 1916
1808 my $link_pos = delete $self->{_link_pos}; 1917 my $link_pos = delete $self->{_link_pos};
1809 1918
1810 unless ($map) { 1919 unless ($map) {
1811 # restore original map position 1920 # restore original map position
1834 1943
1835 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836 $self->enter_map ($map, $x, $y); 1945 $self->enter_map ($map, $x, $y);
1837} 1946}
1838 1947
1839cf::player->attach (
1840 on_logout => sub {
1841 my ($pl) = @_;
1842
1843 # abort map switching before logout
1844 if ($pl->ob->{_link_pos}) {
1845 cf::sync_job {
1846 $pl->ob->leave_link
1847 };
1848 }
1849 },
1850 on_login => sub {
1851 my ($pl) = @_;
1852
1853 # try to abort aborted map switching on player login :)
1854 # should happen only on crashes
1855 if ($pl->ob->{_link_pos}) {
1856 $pl->ob->enter_link;
1857 (async {
1858 $pl->ob->reply (undef,
1859 "There was an internal problem at your last logout, "
1860 . "the server will try to bring you to your intended destination in a second.",
1861 cf::NDI_RED);
1862 # we need this sleep as the login has a concurrent enter_exit running
1863 # and this sleep increases chances of the player not ending up in scorn
1864 Coro::Timer::sleep 1;
1865 $pl->ob->leave_link;
1866 })->prio (2);
1867 }
1868 },
1869);
1870
1871=item $player_object->goto ($path, $x, $y) 1948=item $player_object->goto ($path, $x, $y[, $check->($map)])
1872 1949
1950Moves the player to the given map-path and coordinates by first freezing
1951her, loading and preparing them map, calling the provided $check callback
1952that has to return the map if sucecssful, and then unfreezes the player on
1953the new (success) or old (failed) map position.
1954
1873=cut 1955=cut
1956
1957our $GOTOGEN;
1874 1958
1875sub cf::object::player::goto { 1959sub cf::object::player::goto {
1876 my ($self, $path, $x, $y) = @_; 1960 my ($self, $path, $x, $y, $check) = @_;
1961
1962 # do generation counting so two concurrent goto's will be executed in-order
1963 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877 1964
1878 $self->enter_link; 1965 $self->enter_link;
1879 1966
1880 (async { 1967 (async {
1881 my $map = eval { 1968 my $map = eval {
1882 my $map = cf::map::find $path; 1969 my $map = cf::map::find $path;
1970
1971 if ($map) {
1883 $map = $map->customise_for ($self) if $map; 1972 $map = $map->customise_for ($self);
1973 $map = $check->($map) if $check && $map;
1974 } else {
1975 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1976 }
1977
1884 $map 1978 $map
1979 };
1980
1981 if ($@) {
1982 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
1983 LOG llevError | logBacktrace, Carp::longmess $@;
1885 } or 1984 }
1886 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887 1985
1986 if ($gen == $self->{_goto_generation}) {
1987 delete $self->{_goto_generation};
1888 $self->leave_link ($map, $x, $y); 1988 $self->leave_link ($map, $x, $y);
1989 }
1889 })->prio (1); 1990 })->prio (1);
1890} 1991}
1891 1992
1892=item $player_object->enter_exit ($exit_object) 1993=item $player_object->enter_exit ($exit_object)
1893 1994
1932 2033
1933 $rmp->{random_seed} ||= $exit->random_seed; 2034 $rmp->{random_seed} ||= $exit->random_seed;
1934 2035
1935 my $data = cf::to_json $rmp; 2036 my $data = cf::to_json $rmp;
1936 my $md5 = Digest::MD5::md5_hex $data; 2037 my $md5 = Digest::MD5::md5_hex $data;
1937 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2038 my $meta = "$RANDOMDIR/$md5.meta";
1938 2039
1939 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2040 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940 aio_write $fh, 0, (length $data), $data, 0; 2041 aio_write $fh, 0, (length $data), $data, 0;
1941 undef $fh; 2042 undef $fh;
1942 aio_rename "$meta~", $meta; 2043 aio_rename "$meta~", $meta;
1951 2052
1952 return unless $self->type == cf::PLAYER; 2053 return unless $self->type == cf::PLAYER;
1953 2054
1954 if ($exit->slaying eq "/!") { 2055 if ($exit->slaying eq "/!") {
1955 #TODO: this should de-fi-ni-te-ly not be a sync-job 2056 #TODO: this should de-fi-ni-te-ly not be a sync-job
2057 # the problem is that $exit might not survive long enough
2058 # so it needs to be done right now, right here
1956 cf::sync_job { prepare_random_map $exit }; 2059 cf::sync_job { prepare_random_map $exit };
1957 } 2060 }
1958 2061
1959 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2062 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960 my $hp = $exit->stats->hp; 2063 my $hp = $exit->stats->hp;
1968 $self->goto ($slaying, $hp, $sp); 2071 $self->goto ($slaying, $hp, $sp);
1969 2072
1970 1; 2073 1;
1971 }) { 2074 }) {
1972 $self->message ("Something went wrong deep within the crossfire server. " 2075 $self->message ("Something went wrong deep within the crossfire server. "
1973 . "I'll try to bring you back to the map you were before. " 2076 . "I'll try to bring you back to the map you were before. "
1974 . "Please report this to the dungeon master!", 2077 . "Please report this to the dungeon master!",
1975 cf::NDI_UNIQUE | cf::NDI_RED); 2078 cf::NDI_UNIQUE | cf::NDI_RED);
1976 2079
1977 warn "ERROR in enter_exit: $@"; 2080 warn "ERROR in enter_exit: $@";
1978 $self->leave_link; 2081 $self->leave_link;
1979 } 2082 }
1980 })->prio (1); 2083 })->prio (1);
1993 2096
1994sub cf::client::send_drawinfo { 2097sub cf::client::send_drawinfo {
1995 my ($self, $text, $flags) = @_; 2098 my ($self, $text, $flags) = @_;
1996 2099
1997 utf8::encode $text; 2100 utf8::encode $text;
1998 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2101 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999} 2102}
2000 2103
2104=item $client->ext_event ($type, %msg)
2105
2106Sends an exti event to the client.
2107
2108=cut
2109
2110sub cf::client::ext_event($$%) {
2111 my ($self, $type, %msg) = @_;
2112
2113 $msg{msgtype} = "event_$type";
2114 $self->send_packet ("ext " . cf::to_json \%msg);
2115}
2001 2116
2002=item $success = $client->query ($flags, "text", \&cb) 2117=item $success = $client->query ($flags, "text", \&cb)
2003 2118
2004Queues a query to the client, calling the given callback with 2119Queues a query to the client, calling the given callback with
2005the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2120the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2102 2217
2103# here we export the classes and methods available to script code 2218# here we export the classes and methods available to script code
2104 2219
2105=pod 2220=pod
2106 2221
2107The following fucntions and emthods are available within a safe environment: 2222The following functions and methods are available within a safe environment:
2108 2223
2109 cf::object contr pay_amount pay_player map 2224 cf::object contr pay_amount pay_player map
2110 cf::object::player player 2225 cf::object::player player
2111 cf::player peaceful 2226 cf::player peaceful
2112 cf::map trigger 2227 cf::map trigger
2197############################################################################# 2312#############################################################################
2198 2313
2199=head2 EXTENSION DATABASE SUPPORT 2314=head2 EXTENSION DATABASE SUPPORT
2200 2315
2201Crossfire maintains a very simple database for extension use. It can 2316Crossfire maintains a very simple database for extension use. It can
2202currently store anything that can be serialised using Storable, which 2317currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2203excludes objects. 2318convert to/from binary).
2204 2319
2205The parameter C<$family> should best start with the name of the extension 2320The parameter C<$family> should best start with the name of the extension
2206using it, it should be unique. 2321using it, it should be unique.
2207 2322
2208=over 4 2323=over 4
2231 BDB::CREATE | BDB::AUTO_COMMIT, 0666; 2346 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232 cf::cleanup "db_open(db): $!" if $!; 2347 cf::cleanup "db_open(db): $!" if $!;
2233 }; 2348 };
2234 cf::cleanup "db_open(db): $@" if $@; 2349 cf::cleanup "db_open(db): $@" if $@;
2235 }; 2350 };
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 } 2351 }
2251} 2352}
2252 2353
2253sub db_get($$) { 2354sub db_get($$) {
2254 my $key = "$_[0]/$_[1]"; 2355 my $key = "$_[0]/$_[1]";
2255 2356
2256 cf::sync_job { 2357 cf::sync_job {
2257 BDB::db_get $DB, undef, $key, my $data; 2358 BDB::db_get $DB, undef, $key, my $data;
2258 2359
2259 $! ? () 2360 $! ? ()
2260 : Compress::LZF::sthaw $data 2361 : $data
2261 } 2362 }
2262} 2363}
2263 2364
2264sub db_put($$$) { 2365sub db_put($$$) {
2265 BDB::dbreq_pri 4; 2366 BDB::dbreq_pri 4;
2266 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { }; 2367 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368}
2369
2370=item cf::cache $id => [$paths...], $processversion => $process
2371
2372Generic caching function that returns the value of the resource $id,
2373caching and regenerating as required.
2374
2375This function can block.
2376
2377=cut
2378
2379sub cache {
2380 my ($id, $src, $processversion, $process) = @_;
2381
2382 my $meta =
2383 join "\x00",
2384 $processversion,
2385 map {
2386 aio_stat $_
2387 and Carp::croak "$_: $!";
2388
2389 ($_, (stat _)[7,9])
2390 } @$src;
2391
2392 my $dbmeta = db_get cache => "$id/meta";
2393 if ($dbmeta ne $meta) {
2394 # changed, we may need to process
2395
2396 my @data;
2397 my $md5;
2398
2399 for (0 .. $#$src) {
2400 0 <= aio_load $src->[$_], $data[$_]
2401 or Carp::croak "$src->[$_]: $!";
2402 }
2403
2404 # if processing is expensive, check
2405 # checksum first
2406 if (1) {
2407 $md5 =
2408 join "\x00",
2409 $processversion,
2410 map {
2411 Coro::cede;
2412 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2413 } 0.. $#$src;
2414
2415
2416 my $dbmd5 = db_get cache => "$id/md5";
2417 if ($dbmd5 eq $md5) {
2418 db_put cache => "$id/meta", $meta;
2419
2420 return db_get cache => "$id/data";
2421 }
2422 }
2423
2424 my $t1 = Time::HiRes::time;
2425 my $data = $process->(\@data);
2426 my $t2 = Time::HiRes::time;
2427
2428 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430 db_put cache => "$id/data", $data;
2431 db_put cache => "$id/md5" , $md5;
2432 db_put cache => "$id/meta", $meta;
2433
2434 return $data;
2435 }
2436
2437 db_get cache => "$id/data"
2438}
2439
2440=item fork_call { }, $args
2441
2442Executes the given code block with the given arguments in a seperate
2443process, returning the results. Everything must be serialisable with
2444Coro::Storable. May, of course, block. Note that the executed sub may
2445never block itself or use any form of Event handling.
2446
2447=cut
2448
2449sub fork_call(&@) {
2450 my ($cb, @args) = @_;
2451
2452# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453# or die "socketpair: $!";
2454 pipe my $fh1, my $fh2
2455 or die "pipe: $!";
2456
2457 if (my $pid = fork) {
2458 close $fh2;
2459
2460 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461 $res = Coro::Storable::thaw $res;
2462
2463 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465 die $$res unless "ARRAY" eq ref $res;
2466
2467 return wantarray ? @$res : $res->[-1];
2468 } else {
2469 reset_signals;
2470 local $SIG{__WARN__};
2471 local $SIG{__DIE__};
2472 eval {
2473 close $fh1;
2474
2475 my @res = eval { $cb->(@args) };
2476 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477 };
2478
2479 warn $@ if $@;
2480 _exit 0;
2481 }
2267} 2482}
2268 2483
2269############################################################################# 2484#############################################################################
2270# the server's init and main functions 2485# the server's init and main functions
2271 2486
2272sub load_faces { 2487sub load_facedata($) {
2273 my $path = sprintf "%s/faces", cf::datadir; 2488 my ($path) = @_;
2274 2489
2275 warn "loading faces from $path\n"; 2490 warn "loading facedata from $path\n";
2276 2491
2277 my $faces; 2492 my $facedata;
2278 0 < aio_load $path, $faces 2493 0 < aio_load $path, $facedata
2279 or die "$path: $!"; 2494 or die "$path: $!";
2280 2495
2281 Coro::cede;
2282 $faces = Storable::thaw $faces; 2496 $facedata = Coro::Storable::thaw $facedata;
2283 Coro::cede;
2284 2497
2498 $facedata->{version} == 2
2499 or cf::cleanup "$path: version mismatch, cannot proceed.";
2500
2501 {
2502 my $faces = $facedata->{faceinfo};
2503
2285 while (my ($face, $info) = each %$faces) { 2504 while (my ($face, $info) = each %$faces) {
2286 my $idx = (cf::face::find $face) || cf::face::alloc $face; 2505 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2506 warn "$face $info->{magicmap}\n" if $face =~ /obol/;#d#
2287 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 2507 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2288 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 2508 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2509 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2289 Coro::cede; 2510 Coro::cede;
2511 }
2512
2513 while (my ($face, $info) = each %$faces) {
2514 next unless $info->{smooth};
2515 my $idx = cf::face::find $face
2516 or next;
2517 if (my $smooth = cf::face::find $info->{smooth}) {
2518 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2519 } else {
2520 warn "smooth face '$info->{smooth}' not found for face '$face'";
2521 }
2522 Coro::cede;
2523 }
2524 }
2525
2526 {
2527 my $anims = $facedata->{animinfo};
2528
2529 while (my ($anim, $info) = each %$anims) {
2530 cf::anim::set $anim, $info->{frames}, $info->{facings};
2531 Coro::cede;
2532 }
2533
2534 cf::anim::invalidate_all; # d'oh
2290 } 2535 }
2291 2536
2292 1 2537 1
2293} 2538}
2294 2539
2540sub reload_regions {
2541 load_resource_file "$MAPDIR/regions"
2542 or die "unable to load regions file\n";
2543}
2544
2545sub reload_facedata {
2546 load_facedata "$DATADIR/facedata"
2547 or die "unable to load facedata\n";
2548}
2549
2550sub reload_archetypes {
2551 load_resource_file "$DATADIR/archetypes"
2552 or die "unable to load archetypes\n";
2553}
2554
2555sub reload_treasures {
2556 load_resource_file "$DATADIR/treasures"
2557 or die "unable to load treasurelists\n";
2558}
2559
2295sub reload_resources { 2560sub reload_resources {
2296 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2561 warn "reloading resource files...\n";
2297 or die "unable to load regions file\n";#d# 2562
2563 reload_regions;
2298 load_faces 2564 reload_facedata;
2299 or die "unable to load faces\n";#d# 2565 reload_archetypes;
2566 reload_treasures;
2567
2568 warn "finished reloading resource files\n";
2300} 2569}
2301 2570
2302sub init { 2571sub init {
2303 reload_resources; 2572 reload_resources;
2304} 2573}
2305 2574
2306sub cfg_load { 2575sub cfg_load {
2307 open my $fh, "<:utf8", cf::confdir . "/config" 2576 open my $fh, "<:utf8", "$CONFDIR/config"
2308 or return; 2577 or return;
2309 2578
2310 local $/; 2579 local $/;
2311 *CFG = YAML::Syck::Load <$fh>; 2580 *CFG = YAML::Syck::Load <$fh>;
2312 2581
2397 2666
2398 warn Carp::longmess "post_cleanup backtrace" 2667 warn Carp::longmess "post_cleanup backtrace"
2399 if $make_core; 2668 if $make_core;
2400} 2669}
2401 2670
2402sub reload() { 2671sub do_reload_perl() {
2403 # can/must only be called in main 2672 # can/must only be called in main
2404 if ($Coro::current != $Coro::main) { 2673 if ($Coro::current != $Coro::main) {
2405 warn "can only reload from main coroutine"; 2674 warn "can only reload from main coroutine";
2406 return; 2675 return;
2407 } 2676 }
2482 Symbol::delete_package "safe::$_" 2751 Symbol::delete_package "safe::$_"
2483 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2752 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484 2753
2485 warn "unloading cf.pm \"a bit\""; 2754 warn "unloading cf.pm \"a bit\"";
2486 delete $INC{"cf.pm"}; 2755 delete $INC{"cf.pm"};
2756 delete $INC{"cf/pod.pm"};
2487 2757
2488 # don't, removes xs symbols, too, 2758 # don't, removes xs symbols, too,
2489 # and global variables created in xs 2759 # and global variables created in xs
2490 #Symbol::delete_package __PACKAGE__; 2760 #Symbol::delete_package __PACKAGE__;
2491 2761
2506 warn "reattaching attachments to maps"; 2776 warn "reattaching attachments to maps";
2507 reattach $_ for values %MAP; 2777 reattach $_ for values %MAP;
2508 warn "reattaching attachments to players"; 2778 warn "reattaching attachments to players";
2509 reattach $_ for values %PLAYER; 2779 reattach $_ for values %PLAYER;
2510 2780
2511 warn "loading reloadable resources";
2512 reload_resources;
2513
2514 warn "leaving sync_job"; 2781 warn "leaving sync_job";
2515 2782
2516 1 2783 1
2517 } or do { 2784 } or do {
2518 warn $@; 2785 warn $@;
2523 warn "reloaded"; 2790 warn "reloaded";
2524}; 2791};
2525 2792
2526our $RELOAD_WATCHER; # used only during reload 2793our $RELOAD_WATCHER; # used only during reload
2527 2794
2795sub reload_perl() {
2796 # doing reload synchronously and two reloads happen back-to-back,
2797 # coro crashes during coro_state_free->destroy here.
2798
2799 $RELOAD_WATCHER ||= Event->timer (
2800 reentrant => 0,
2801 after => 0,
2802 data => WF_AUTOCANCEL,
2803 cb => sub {
2804 do_reload_perl;
2805 undef $RELOAD_WATCHER;
2806 },
2807 );
2808}
2809
2528register_command "reload" => sub { 2810register_command "reload" => sub {
2529 my ($who, $arg) = @_; 2811 my ($who, $arg) = @_;
2530 2812
2531 if ($who->flag (FLAG_WIZ)) { 2813 if ($who->flag (FLAG_WIZ)) {
2532 $who->message ("reloading server."); 2814 $who->message ("reloading server.");
2533 2815 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 } 2816 }
2547}; 2817};
2548 2818
2549unshift @INC, $LIBDIR; 2819unshift @INC, $LIBDIR;
2550 2820
2551my $bug_warning = 0; 2821my $bug_warning = 0;
2552 2822
2823our @WAIT_FOR_TICK;
2824our @WAIT_FOR_TICK_BEGIN;
2825
2826sub wait_for_tick {
2827 return unless $TICK_WATCHER->is_active;
2828 return if $Coro::current == $Coro::main;
2829
2830 my $signal = new Coro::Signal;
2831 push @WAIT_FOR_TICK, $signal;
2832 $signal->wait;
2833}
2834
2835sub wait_for_tick_begin {
2836 return unless $TICK_WATCHER->is_active;
2837 return if $Coro::current == $Coro::main;
2838
2839 my $signal = new Coro::Signal;
2840 push @WAIT_FOR_TICK_BEGIN, $signal;
2841 $signal->wait;
2842}
2843
2844 my $min = 1e6;#d#
2845 my $avg = 10;
2553$TICK_WATCHER = Event->timer ( 2846$TICK_WATCHER = Event->timer (
2554 reentrant => 0, 2847 reentrant => 0,
2555 parked => 1, 2848 parked => 1,
2556 prio => 0, 2849 prio => 0,
2557 at => $NEXT_TICK || $TICK, 2850 at => $NEXT_TICK || $TICK,
2561 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 2854 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562 unless ++$bug_warning > 10; 2855 unless ++$bug_warning > 10;
2563 return; 2856 return;
2564 } 2857 }
2565 2858
2566 $NOW = Event::time; 2859 $NOW = $tick_start = Event::time;
2567 2860
2568 cf::server_tick; # one server iteration 2861 cf::server_tick; # one server iteration
2862
2863 0 && sync_job {#d#
2864 for(1..10) {
2865 my $t = Event::time;
2866 my $map = my $map = new_from_path cf::map "/tmp/x.map"
2867 or die;
2868
2869 $map->width (50);
2870 $map->height (50);
2871 $map->alloc;
2872 $map->_load_objects ("/tmp/x.map", 1);
2873 my $t = Event::time - $t;
2874
2875 #next unless $t < 0.0013;#d#
2876 if ($t < $min) {
2877 $min = $t;
2878 }
2879 $avg = $avg * 0.99 + $t * 0.01;
2880 }
2881 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882 exit 0;
2883 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884 };
2885
2569 $RUNTIME += $TICK; 2886 $RUNTIME += $TICK;
2570 $NEXT_TICK += $TICK; 2887 $NEXT_TICK += $TICK;
2571 2888
2572 if ($NOW >= $NEXT_RUNTIME_WRITE) { 2889 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573 $NEXT_RUNTIME_WRITE = $NOW + 10; 2890 $NEXT_RUNTIME_WRITE = $NOW + 10;
2575 write_runtime 2892 write_runtime
2576 or warn "ERROR: unable to write runtime file: $!"; 2893 or warn "ERROR: unable to write runtime file: $!";
2577 }; 2894 };
2578 } 2895 }
2579 2896
2580 $WAIT_FOR_TICK->broadcast;
2581 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583# my $AFTER = Event::time; 2897# my $AFTER = Event::time;
2584# warn $AFTER - $NOW;#d# 2898# warn $AFTER - $NOW;#d#
2585 2899
2900 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901 $sig->send;
2902 }
2903 while (my $sig = shift @WAIT_FOR_TICK) {
2904 $sig->send;
2905 }
2906
2907 $NOW = Event::time;
2908
2586 # if we are delayed by four ticks or more, skip them all 2909 # if we are delayed by four ticks or more, skip them all
2587 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2910 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2588 2911
2589 $TICK_WATCHER->at ($NEXT_TICK); 2912 $TICK_WATCHER->at ($NEXT_TICK);
2590 $TICK_WATCHER->start; 2913 $TICK_WATCHER->start;
2914
2915 $LOAD = ($NOW - $tick_start) / $TICK;
2916 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917
2918 _post_tick;
2919
2920
2591 }, 2921 },
2592); 2922);
2593 2923
2594{ 2924{
2595 BDB::max_poll_time $TICK * 0.1; 2925 BDB::max_poll_time $TICK * 0.1;
2623 2953
2624 cf::sync_job { 2954 cf::sync_job {
2625 eval { 2955 eval {
2626 BDB::db_env_open 2956 BDB::db_env_open
2627 $DB_ENV, 2957 $DB_ENV,
2628 $BDB_ENV_DIR, 2958 $BDBDIR,
2629 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 2959 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 2960 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631 0666; 2961 0666;
2632 2962
2633 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 2963 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634 2964
2635 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 2965 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636 $DB_ENV->set_lk_detect; 2966 $DB_ENV->set_lk_detect;
2637 }; 2967 };
2638 2968
2654 prio => 6, 2984 prio => 6,
2655 cb => \&IO::AIO::poll_cb, 2985 cb => \&IO::AIO::poll_cb,
2656 ); 2986 );
2657} 2987}
2658 2988
2989my $_log_backtrace;
2990
2991sub _log_backtrace {
2992 my ($msg, @addr) = @_;
2993
2994 $msg =~ s/\n//;
2995
2996 # limit the # of concurrent backtraces
2997 if ($_log_backtrace < 2) {
2998 ++$_log_backtrace;
2999 async {
3000 my @bt = fork_call {
3001 @addr = map { sprintf "%x", $_ } @addr;
3002 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004 or die "addr2line: $!";
3005
3006 my @funcs;
3007 my @res = <$fh>;
3008 chomp for @res;
3009 while (@res) {
3010 my ($func, $line) = splice @res, 0, 2, ();
3011 push @funcs, "[$func] $line";
3012 }
3013
3014 @funcs
3015 };
3016
3017 LOG llevInfo, "[ABT] $msg\n";
3018 LOG llevInfo, "[ABT] $_\n" for @bt;
3019 --$_log_backtrace;
3020 };
3021 } else {
3022 LOG llevInfo, "[ABT] $msg\n";
3023 LOG llevInfo, "[ABT] [suppressed]\n";
3024 }
3025}
3026
3027# load additional modules
3028use cf::pod;
3029
2659END { cf::emergency_save } 3030END { cf::emergency_save }
2660 3031
26611 30321
2662 3033

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