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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.222 by root, Tue Mar 6 03:06:00 2007 UTC vs.
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC

3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket;
8use Storable; 9use Storable;
10use Event;
9use Opcode; 11use Opcode;
10use Safe; 12use Safe;
11use Safe::Hole; 13use Safe::Hole;
12 14
13use Coro 3.5 (); 15use Coro 3.61 ();
16use Coro::State;
17use Coro::Handle;
14use Coro::Event; 18use Coro::Event;
15use Coro::Timer; 19use Coro::Timer;
16use Coro::Signal; 20use Coro::Signal;
17use Coro::Semaphore; 21use Coro::Semaphore;
18use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable;
19 24
20use BDB (); 25use BDB ();
21use Data::Dumper; 26use Data::Dumper;
22use Digest::MD5; 27use Digest::MD5;
23use Fcntl; 28use Fcntl;
29use YAML::Syck ();
24use IO::AIO 2.32 (); 30use IO::AIO 2.32 ();
25use YAML::Syck ();
26use Time::HiRes; 31use Time::HiRes;
27use Compress::LZF; 32use Compress::LZF;
28 33
34# configure various modules to our taste
35#
36$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30 39
31use Event; $Event::Eval = 1; # no idea why this is required, but it is 40$Event::Eval = 1; # no idea why this is required, but it is
32
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 41
35# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36$YAML::Syck::ImplicitUnicode = 1; 43$YAML::Syck::ImplicitUnicode = 1;
37 44
38$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
39 48
40our %COMMAND = (); 49our %COMMAND = ();
41our %COMMAND_TIME = (); 50our %COMMAND_TIME = ();
42 51
43our @EXTS = (); # list of extension package names 52our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 53our %EXTCMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 54our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 55our %EXT_MAP = (); # pluggable maps
47 56
57our $RELOAD; # number of reloads so far
48our @EVENT; 58our @EVENT;
49our $LIBDIR = datadir . "/ext";
50 59
51our $TICK = MAX_TIME * 1e-6; 60our $CONFDIR = confdir;
61our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db";
71
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52our $TICK_WATCHER; 73our $TICK_WATCHER;
53our $AIO_POLL_WATCHER; 74our $AIO_POLL_WATCHER;
54our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 76our $NEXT_TICK;
56our $NOW; 77our $NOW;
65our $RUNTIME; 86our $RUNTIME;
66 87
67our %PLAYER; # all users 88our %PLAYER; # all users
68our %MAP; # all maps 89our %MAP; # all maps
69our $LINK_MAP; # the special {link} map, which is always available 90our $LINK_MAP; # the special {link} map, which is always available
70our $RANDOM_MAPS = cf::localdir . "/random";
71our $BDB_ENV_DIR = cf::localdir . "/db";
72
73our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75 91
76# used to convert map paths into valid unix filenames by replacing / by ∕ 92# used to convert map paths into valid unix filenames by replacing / by ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78 94
95our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing
97our $tick_start; # for load detecting purposes
98
79binmode STDOUT; 99binmode STDOUT;
80binmode STDERR; 100binmode STDERR;
81 101
82# read virtual server time, if available 102# read virtual server time, if available
83unless ($RUNTIME || !-e cf::localdir . "/runtime") { 103unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84 open my $fh, "<", cf::localdir . "/runtime" 104 open my $fh, "<", "$LOCALDIR/runtime"
85 or die "unable to read runtime file: $!"; 105 or die "unable to read runtime file: $!";
86 $RUNTIME = <$fh> + 0.; 106 $RUNTIME = <$fh> + 0.;
87} 107}
88 108
89mkdir cf::localdir; 109mkdir $_
90mkdir cf::localdir . "/" . cf::playerdir; 110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91mkdir cf::localdir . "/" . cf::tmpdir;
92mkdir cf::localdir . "/" . cf::uniquedir;
93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
95 111
96our $EMERGENCY_POSITION; 112our $EMERGENCY_POSITION;
97 113
98sub cf::map::normalise; 114sub cf::map::normalise;
99 115
110=item $cf::RUNTIME 126=item $cf::RUNTIME
111 127
112The 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
113every server tick. 129every server tick.
114 130
115=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
116 134
117The perl library directory, where extensions and cf-specific modules can 135Various directories - "/etc", read-only install directory, perl-library
118be 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.
119 139
120=item $cf::NOW 140=item $cf::NOW
121 141
122The time of the last (current) server tick. 142The time of the last (current) server tick.
123 143
124=item $cf::TICK 144=item $cf::TICK
125 145
126The 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.
127 157
128=item %cf::CFG 158=item %cf::CFG
129 159
130Configuration for the server, loaded from C</etc/crossfire/config>, or 160Configuration for the server, loaded from C</etc/crossfire/config>, or
131from wherever your confdir points to. 161from wherever your confdir points to.
132 162
133=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 163=item cf::wait_for_tick, cf::wait_for_tick_begin
134 164
135These 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
136or 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
137processing 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.
138window of cpu time available, or simply to synchronise to the server tick.
139 168
140=back 169=back
141 170
142=cut 171=cut
143 172
144BEGIN { 173BEGIN {
145 *CORE::GLOBAL::warn = sub { 174 *CORE::GLOBAL::warn = sub {
146 my $msg = join "", @_; 175 my $msg = join "", @_;
147 utf8::encode $msg;
148 176
149 $msg .= "\n" 177 $msg .= "\n"
150 unless $msg =~ /\n$/; 178 unless $msg =~ /\n$/;
151 179
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181
182 utf8::encode $msg;
152 LOG llevError, $msg; 183 LOG llevError, $msg;
153 }; 184 };
154} 185}
155 186
156@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
202 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 233 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203 $d 234 $d
204 } || "[unable to dump $_[0]: '$@']"; 235 } || "[unable to dump $_[0]: '$@']";
205} 236}
206 237
207use JSON::Syck (); # TODO# replace by JSON::PC once working 238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
208 239
209=item $ref = cf::from_json $json 240=item $ref = cf::from_json $json
210 241
211Converts a JSON string into the corresponding perl data structure. 242Converts a JSON string into the corresponding perl data structure.
212 243
213=cut
214
215sub from_json($) {
216 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217 JSON::Syck::Load $_[0]
218}
219
220=item $json = cf::to_json $ref 244=item $json = cf::to_json $ref
221 245
222Converts a perl data structure into its JSON representation. 246Converts a perl data structure into its JSON representation.
223
224=cut
225
226sub to_json($) {
227 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
228 JSON::Syck::Dump $_[0]
229}
230 247
231=item cf::lock_wait $string 248=item cf::lock_wait $string
232 249
233Wait until the given lock is available. See cf::lock_acquire. 250Wait until the given lock is available. See cf::lock_acquire.
234 251
240returned. 257returned.
241 258
242Lock 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
243uses map_find and cf::map::load uses map_load). 260uses map_find and cf::map::load uses map_load).
244 261
262=item $locked = cf::lock_active $string
263
264Return true if the lock is currently active, i.e. somebody has locked it.
265
245=cut 266=cut
246 267
247our %LOCK; 268our %LOCK;
248 269
249sub lock_wait($) { 270sub lock_wait($) {
266 287
267 Coro::guard { 288 Coro::guard {
268 # wake up all waiters, to be on the safe side 289 # wake up all waiters, to be on the safe side
269 $_->ready for @{ delete $LOCK{$key} }; 290 $_->ready for @{ delete $LOCK{$key} };
270 } 291 }
292}
293
294sub lock_active($) {
295 my ($key) = @_;
296
297 ! ! $LOCK{$key}
271} 298}
272 299
273sub freeze_mainloop { 300sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 301 return unless $TICK_WATCHER->is_active;
275 302
305 332
306sub sync_job(&) { 333sub sync_job(&) {
307 my ($job) = @_; 334 my ($job) = @_;
308 335
309 if ($Coro::current == $Coro::main) { 336 if ($Coro::current == $Coro::main) {
337 my $time = Event::time;
338
310 # this is the main coro, too bad, we have to block 339 # this is the main coro, too bad, we have to block
311 # till the operation succeeds, freezing the server :/ 340 # till the operation succeeds, freezing the server :/
312 341
313 # TODO: use suspend/resume instead 342 # TODO: use suspend/resume instead
314 # (but this is cancel-safe) 343 # (but this is cancel-safe)
325 354
326 while ($busy) { 355 while ($busy) {
327 Coro::cede or Event::one_event; 356 Coro::cede or Event::one_event;
328 } 357 }
329 358
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
330 wantarray ? @res : $res[0] 366 wantarray ? @res : $res[0]
331 } else { 367 } else {
332 # we are in another coroutine, how wonderful, everything just works 368 # we are in another coroutine, how wonderful, everything just works
333 369
334 $job->() 370 $job->()
354 390
355 $coro 391 $coro
356} 392}
357 393
358sub 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
359 my $guard = cf::lock_acquire "write_runtime"; 402 my $guard = cf::lock_acquire "write_runtime";
360
361 my $runtime = cf::localdir . "/runtime";
362 403
363 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 404 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
364 or return; 405 or return;
365 406
366 my $value = $cf::RUNTIME + 90 + 10; 407 my $value = $cf::RUNTIME + 90 + 10;
372 413
373 # always fsync - this file is important 414 # always fsync - this file is important
374 aio_fsync $fh 415 aio_fsync $fh
375 and return; 416 and return;
376 417
418 # touch it again to show we are up-to-date
419 aio_utime $fh, undef, undef;
420
377 close $fh 421 close $fh
378 or return; 422 or return;
379 423
380 aio_rename "$runtime~", $runtime 424 aio_rename "$runtime~", $runtime
381 and return; 425 and return;
382 426
427 warn "runtime file written.\n";#d#
428
383 1 429 1
430}
431
432=item cf::datalog type => key => value, ...
433
434Log a datalog packet of the given type with the given key-value pairs.
435
436=cut
437
438sub datalog($@) {
439 my ($type, %kv) = @_;
440 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384} 441}
385 442
386=back 443=back
387 444
388=cut 445=cut
568 $registry = $CB_TYPE[$object_type] ||= []; 625 $registry = $CB_TYPE[$object_type] ||= [];
569 626
570 } elsif ($type eq "subtype") { 627 } elsif ($type eq "subtype") {
571 defined $object_type or Carp::croak "subtype specified without type"; 628 defined $object_type or Carp::croak "subtype specified without type";
572 my $object_subtype = shift @arg; 629 my $object_subtype = shift @arg;
573 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 630 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574 631
575 } elsif ($type eq "package") { 632 } elsif ($type eq "package") {
576 my $pkg = shift @arg; 633 my $pkg = shift @arg;
577 634
578 while (my ($name, $id) = each %cb_id) { 635 while (my ($name, $id) = each %cb_id) {
619 if (ref $_[0]) { 676 if (ref $_[0]) {
620 _object_attach @_; 677 _object_attach @_;
621 } else { 678 } else {
622 _attach shift->_attach_registry, @_; 679 _attach shift->_attach_registry, @_;
623 } 680 }
681 _recalc_want;
624}; 682};
625 683
626# all those should be optimised 684# all those should be optimised
627sub cf::attachable::detach { 685sub cf::attachable::detach {
628 my ($obj, $name) = @_; 686 my ($obj, $name) = @_;
631 delete $obj->{_attachment}{$name}; 689 delete $obj->{_attachment}{$name};
632 reattach ($obj); 690 reattach ($obj);
633 } else { 691 } else {
634 Carp::croak "cannot, currently, detach class attachments"; 692 Carp::croak "cannot, currently, detach class attachments";
635 } 693 }
694 _recalc_want;
636}; 695};
637 696
638sub cf::attachable::attached { 697sub cf::attachable::attached {
639 my ($obj, $name) = @_; 698 my ($obj, $name) = @_;
640 699
950Returns the given player object, loading it if necessary (might block). 1009Returns the given player object, loading it if necessary (might block).
951 1010
952=cut 1011=cut
953 1012
954sub playerdir($) { 1013sub playerdir($) {
955 cf::localdir 1014 "$PLAYERDIR/"
956 . "/"
957 . cf::playerdir
958 . "/"
959 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1015 . (ref $_[0] ? $_[0]->ob->name : $_[0])
960} 1016}
961 1017
962sub path($) { 1018sub path($) {
963 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1019 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964 1020
965 (playerdir $login) . "/$login.pl" 1021 (playerdir $login) . "/playerdata"
966} 1022}
967 1023
968sub find_active($) { 1024sub find_active($) {
969 $cf::PLAYER{$_[0]} 1025 $cf::PLAYER{$_[0]}
970 and $cf::PLAYER{$_[0]}->active 1026 and $cf::PLAYER{$_[0]}->active
983 my $login = $_[0]; 1039 my $login = $_[0];
984 1040
985 my $guard = cf::lock_acquire "user_find:$login"; 1041 my $guard = cf::lock_acquire "user_find:$login";
986 1042
987 $cf::PLAYER{$_[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
988 my $pl = load_pl path $login 1051 my $pl = load_pl path $login
989 or return; 1052 or return;
990 $cf::PLAYER{$login} = $pl 1053 $cf::PLAYER{$login} = $pl
991 } 1054 }
992 } 1055 }
1076while and may block, so not sync_job-capable, ever. 1139while and may block, so not sync_job-capable, ever.
1077 1140
1078=cut 1141=cut
1079 1142
1080sub list_logins { 1143sub list_logins {
1081 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1144 my $dirs = aio_readdir $PLAYERDIR
1082 or return []; 1145 or return [];
1083 1146
1084 my @logins; 1147 my @logins;
1085 1148
1086 for my $login (@$dirs) { 1149 for my $login (@$dirs) {
1121 } 1184 }
1122 1185
1123 \@paths 1186 \@paths
1124} 1187}
1125 1188
1126=item $player->ext_reply ($msgid, $msgtype, %msg) 1189=item $player->ext_reply ($msgid, %msg)
1127 1190
1128Sends an ext reply to the player. 1191Sends an ext reply to the player.
1129 1192
1130=cut 1193=cut
1131 1194
1132sub ext_reply($$$%) { 1195sub ext_reply($$%) {
1133 my ($self, $id, %msg) = @_; 1196 my ($self, $id, %msg) = @_;
1134 1197
1135 $msg{msgid} = $id; 1198 $msg{msgid} = $id;
1136 1199
1137 $self->send ("ext " . cf::to_json \%msg); 1200 $self->send ("ext " . cf::to_json \%msg);
1138} 1201}
1139 1202
1140package 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}
1141 1243
1142=back 1244=back
1143
1144 1245
1145=head3 cf::map 1246=head3 cf::map
1146 1247
1147=over 4 1248=over 4
1148 1249
1286 1387
1287# the original (read-only) location 1388# the original (read-only) location
1288sub load_path { 1389sub load_path {
1289 my ($self) = @_; 1390 my ($self) = @_;
1290 1391
1291 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1392 "$MAPDIR/$self->{path}.map"
1292} 1393}
1293 1394
1294# the temporary/swap location 1395# the temporary/swap location
1295sub save_path { 1396sub save_path {
1296 my ($self) = @_; 1397 my ($self) = @_;
1297 1398
1298 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1399 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1400 "$TMPDIR/$path.map"
1300} 1401}
1301 1402
1302# the unique path, undef == no special unique path 1403# the unique path, undef == no special unique path
1303sub uniq_path { 1404sub uniq_path {
1304 my ($self) = @_; 1405 my ($self) = @_;
1305 1406
1306 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1407 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1307 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1408 "$UNIQUEDIR/$path"
1308} 1409}
1309 1410
1310# and all this just because we cannot iterate over 1411# and all this just because we cannot iterate over
1311# all maps in C++... 1412# all maps in C++...
1312sub change_all_map_light { 1413sub change_all_map_light {
1379 $self->load_header_orig 1480 $self->load_header_orig
1380 or return; 1481 or return;
1381 $self->prepare_orig; 1482 $self->prepare_orig;
1382 } 1483 }
1383 1484
1485 $self->default_region (cf::region::find_by_path $self->{path})
1486 unless $self->default_region;
1487
1384 1 1488 1
1385} 1489}
1386 1490
1387sub find; 1491sub find;
1388sub find { 1492sub find {
1421 my ($self) = @_; 1525 my ($self) = @_;
1422 1526
1423 local $self->{deny_reset} = 1; # loading can take a long time 1527 local $self->{deny_reset} = 1; # loading can take a long time
1424 1528
1425 my $path = $self->{path}; 1529 my $path = $self->{path};
1530
1531 {
1426 my $guard = cf::lock_acquire "map_load:$path"; 1532 my $guard = cf::lock_acquire "map_load:$path";
1427 1533
1428 return if $self->in_memory != cf::MAP_SWAPPED; 1534 return if $self->in_memory != cf::MAP_SWAPPED;
1429 1535
1430 $self->in_memory (cf::MAP_LOADING); 1536 $self->in_memory (cf::MAP_LOADING);
1431 1537
1432 $self->alloc; 1538 $self->alloc;
1433 1539
1434 $self->pre_load; 1540 $self->pre_load;
1435
1436 $self->_load_objects ($self->{load_path}, 1)
1437 or return;
1438
1439 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1440 if delete $self->{load_original};
1441
1442 if (my $uniq = $self->uniq_path) {
1443 utf8::encode $uniq;
1444 if (aio_open $uniq, O_RDONLY, 0) {
1445 $self->clear_unique_items;
1446 $self->_load_objects ($uniq, 0);
1447 }
1448 }
1449
1450 Coro::cede;
1451
1452 # now do the right thing for maps
1453 $self->link_multipart_objects;
1454
1455 unless ($self->{deny_activate}) {
1456 $self->decay_objects;
1457 $self->fix_auto_apply;
1458 $self->update_buttons;
1459 Coro::cede; 1541 Coro::cede;
1460 $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;
1461 $self->difficulty ($self->estimate_difficulty) 1560 $self->difficulty ($self->estimate_difficulty)
1462 unless $self->difficulty; 1561 unless $self->difficulty;
1463 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;
1464 $self->activate; 1571 $self->activate;
1572 }
1573
1574 $self->in_memory (cf::MAP_IN_MEMORY);
1465 } 1575 }
1466 1576
1467 $self->post_load; 1577 $self->post_load;
1468
1469 $self->in_memory (cf::MAP_IN_MEMORY);
1470} 1578}
1471 1579
1472sub customise_for { 1580sub customise_for {
1473 my ($self, $ob) = @_; 1581 my ($self, $ob) = @_;
1474 1582
1665instantiated unique items. May block. 1773instantiated unique items. May block.
1666 1774
1667=cut 1775=cut
1668 1776
1669sub unique_maps() { 1777sub unique_maps() {
1670 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 1778 my $files = aio_readdir $UNIQUEDIR
1671 or return; 1779 or return;
1672 1780
1673 my @paths; 1781 my @paths;
1674 1782
1675 for (@$files) { 1783 for (@$files) {
1794 $self->deactivate_recursive; 1902 $self->deactivate_recursive;
1795 1903
1796 return if UNIVERSAL::isa $self->map, "ext::map_link"; 1904 return if UNIVERSAL::isa $self->map, "ext::map_link";
1797 1905
1798 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1906 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1799 if $self->map; 1907 if $self->map && $self->map->{path} ne "{link}";
1800 1908
1801 $self->enter_map ($LINK_MAP || link_map, 10, 10); 1909 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1802} 1910}
1803 1911
1804sub cf::object::player::leave_link { 1912sub cf::object::player::leave_link {
1805 my ($self, $map, $x, $y) = @_; 1913 my ($self, $map, $x, $y) = @_;
1914
1915 return unless $self->contr->active;
1806 1916
1807 my $link_pos = delete $self->{_link_pos}; 1917 my $link_pos = delete $self->{_link_pos};
1808 1918
1809 unless ($map) { 1919 unless ($map) {
1810 # restore original map position 1920 # restore original map position
1833 1943
1834 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1835 $self->enter_map ($map, $x, $y); 1945 $self->enter_map ($map, $x, $y);
1836} 1946}
1837 1947
1838cf::player->attach (
1839 on_logout => sub {
1840 my ($pl) = @_;
1841
1842 # abort map switching before logout
1843 if ($pl->ob->{_link_pos}) {
1844 cf::sync_job {
1845 $pl->ob->leave_link
1846 };
1847 }
1848 },
1849 on_login => sub {
1850 my ($pl) = @_;
1851
1852 # try to abort aborted map switching on player login :)
1853 # should happen only on crashes
1854 if ($pl->ob->{_link_pos}) {
1855 $pl->ob->enter_link;
1856 (async {
1857 $pl->ob->reply (undef,
1858 "There was an internal problem at your last logout, "
1859 . "the server will try to bring you to your intended destination in a second.",
1860 cf::NDI_RED);
1861 # we need this sleep as the login has a concurrent enter_exit running
1862 # and this sleep increases chances of the player not ending up in scorn
1863 Coro::Timer::sleep 1;
1864 $pl->ob->leave_link;
1865 })->prio (2);
1866 }
1867 },
1868);
1869
1870=item $player_object->goto ($path, $x, $y) 1948=item $player_object->goto ($path, $x, $y[, $check->($map)])
1871 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
1872=cut 1955=cut
1956
1957our $GOTOGEN;
1873 1958
1874sub cf::object::player::goto { 1959sub cf::object::player::goto {
1875 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;
1876 1964
1877 $self->enter_link; 1965 $self->enter_link;
1878 1966
1879 (async { 1967 (async {
1880 my $map = eval { 1968 my $map = eval {
1881 my $map = cf::map::find $path; 1969 my $map = cf::map::find $path;
1970
1971 if ($map) {
1882 $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
1883 $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 $@;
1884 } or 1984 }
1885 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1886 1985
1986 if ($gen == $self->{_goto_generation}) {
1987 delete $self->{_goto_generation};
1887 $self->leave_link ($map, $x, $y); 1988 $self->leave_link ($map, $x, $y);
1989 }
1888 })->prio (1); 1990 })->prio (1);
1889} 1991}
1890 1992
1891=item $player_object->enter_exit ($exit_object) 1993=item $player_object->enter_exit ($exit_object)
1892 1994
1931 2033
1932 $rmp->{random_seed} ||= $exit->random_seed; 2034 $rmp->{random_seed} ||= $exit->random_seed;
1933 2035
1934 my $data = cf::to_json $rmp; 2036 my $data = cf::to_json $rmp;
1935 my $md5 = Digest::MD5::md5_hex $data; 2037 my $md5 = Digest::MD5::md5_hex $data;
1936 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2038 my $meta = "$RANDOMDIR/$md5.meta";
1937 2039
1938 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2040 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1939 aio_write $fh, 0, (length $data), $data, 0; 2041 aio_write $fh, 0, (length $data), $data, 0;
1940 undef $fh; 2042 undef $fh;
1941 aio_rename "$meta~", $meta; 2043 aio_rename "$meta~", $meta;
1950 2052
1951 return unless $self->type == cf::PLAYER; 2053 return unless $self->type == cf::PLAYER;
1952 2054
1953 if ($exit->slaying eq "/!") { 2055 if ($exit->slaying eq "/!") {
1954 #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
1955 cf::sync_job { prepare_random_map $exit }; 2059 cf::sync_job { prepare_random_map $exit };
1956 } 2060 }
1957 2061
1958 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;
1959 my $hp = $exit->stats->hp; 2063 my $hp = $exit->stats->hp;
1967 $self->goto ($slaying, $hp, $sp); 2071 $self->goto ($slaying, $hp, $sp);
1968 2072
1969 1; 2073 1;
1970 }) { 2074 }) {
1971 $self->message ("Something went wrong deep within the crossfire server. " 2075 $self->message ("Something went wrong deep within the crossfire server. "
1972 . "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. "
1973 . "Please report this to the dungeon master!", 2077 . "Please report this to the dungeon master!",
1974 cf::NDI_UNIQUE | cf::NDI_RED); 2078 cf::NDI_UNIQUE | cf::NDI_RED);
1975 2079
1976 warn "ERROR in enter_exit: $@"; 2080 warn "ERROR in enter_exit: $@";
1977 $self->leave_link; 2081 $self->leave_link;
1978 } 2082 }
1979 })->prio (1); 2083 })->prio (1);
1992 2096
1993sub cf::client::send_drawinfo { 2097sub cf::client::send_drawinfo {
1994 my ($self, $text, $flags) = @_; 2098 my ($self, $text, $flags) = @_;
1995 2099
1996 utf8::encode $text; 2100 utf8::encode $text;
1997 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2101 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1998} 2102}
1999 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}
2000 2116
2001=item $success = $client->query ($flags, "text", \&cb) 2117=item $success = $client->query ($flags, "text", \&cb)
2002 2118
2003Queues a query to the client, calling the given callback with 2119Queues a query to the client, calling the given callback with
2004the 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>,
2101 2217
2102# here we export the classes and methods available to script code 2218# here we export the classes and methods available to script code
2103 2219
2104=pod 2220=pod
2105 2221
2106The following fucntions and emthods are available within a safe environment: 2222The following functions and methods are available within a safe environment:
2107 2223
2108 cf::object contr pay_amount pay_player map 2224 cf::object contr pay_amount pay_player map
2109 cf::object::player player 2225 cf::object::player player
2110 cf::player peaceful 2226 cf::player peaceful
2111 cf::map trigger 2227 cf::map trigger
2196############################################################################# 2312#############################################################################
2197 2313
2198=head2 EXTENSION DATABASE SUPPORT 2314=head2 EXTENSION DATABASE SUPPORT
2199 2315
2200Crossfire maintains a very simple database for extension use. It can 2316Crossfire maintains a very simple database for extension use. It can
2201currently store anything that can be serialised using Storable, which 2317currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2202excludes objects. 2318convert to/from binary).
2203 2319
2204The 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
2205using it, it should be unique. 2321using it, it should be unique.
2206 2322
2207=over 4 2323=over 4
2230 BDB::CREATE | BDB::AUTO_COMMIT, 0666; 2346 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2231 cf::cleanup "db_open(db): $!" if $!; 2347 cf::cleanup "db_open(db): $!" if $!;
2232 }; 2348 };
2233 cf::cleanup "db_open(db): $@" if $@; 2349 cf::cleanup "db_open(db): $@" if $@;
2234 }; 2350 };
2235
2236 my $path = cf::localdir . "/database.pst";
2237 if (stat $path) {
2238 cf::sync_job {
2239 my $pst = Storable::retrieve $path;
2240
2241 cf::db_put (board => data => $pst->{board});
2242 cf::db_put (guildrules => data => $pst->{guildrules});
2243 cf::db_put (rent => balance => $pst->{rent}{balance});
2244 BDB::db_env_txn_checkpoint $DB_ENV;
2245
2246 unlink $path;
2247 };
2248 }
2249 } 2351 }
2250} 2352}
2251 2353
2252sub db_get($$) { 2354sub db_get($$) {
2253 my $key = "$_[0]/$_[1]"; 2355 my $key = "$_[0]/$_[1]";
2254 2356
2255 cf::sync_job { 2357 cf::sync_job {
2256 BDB::db_get $DB, undef, $key, my $data; 2358 BDB::db_get $DB, undef, $key, my $data;
2257 2359
2258 $! ? () 2360 $! ? ()
2259 : Compress::LZF::sthaw $data 2361 : $data
2260 } 2362 }
2261} 2363}
2262 2364
2263sub db_put($$$) { 2365sub db_put($$$) {
2264 BDB::dbreq_pri 4; 2366 BDB::dbreq_pri 4;
2265 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 }
2266} 2482}
2267 2483
2268############################################################################# 2484#############################################################################
2269# the server's init and main functions 2485# the server's init and main functions
2270 2486
2271sub init_resources { 2487sub load_facedata($) {
2272 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2488 my ($path) = @_;
2489
2490 warn "loading facedata from $path\n";
2491
2492 my $facedata;
2493 0 < aio_load $path, $facedata
2494 or die "$path: $!";
2495
2496 $facedata = Coro::Storable::thaw $facedata;
2497
2498 $facedata->{version} == 2
2499 or cf::cleanup "$path: version mismatch, cannot proceed.";
2500
2501 {
2502 my $faces = $facedata->{faceinfo};
2503
2504 while (my ($face, $info) = each %$faces) {
2505 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2506 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2507 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2508 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2509 Coro::cede;
2510 }
2511
2512 while (my ($face, $info) = each %$faces) {
2513 next unless $info->{smooth};
2514 my $idx = cf::face::find $face
2515 or next;
2516 if (my $smooth = cf::face::find $info->{smooth}) {
2517 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2518 } else {
2519 warn "smooth face '$info->{smooth}' not found for face '$face'";
2520 }
2521 Coro::cede;
2522 }
2523 }
2524
2525 {
2526 my $anims = $facedata->{animinfo};
2527
2528 while (my ($anim, $info) = each %$anims) {
2529 cf::anim::set $anim, $info->{frames}, $info->{facings};
2530 Coro::cede;
2531 }
2532
2533 cf::anim::invalidate_all; # d'oh
2534 }
2535
2536 1
2537}
2538
2539sub reload_regions {
2540 load_resource_file "$MAPDIR/regions"
2273 or die "unable to load regions file\n";#d# 2541 or die "unable to load regions file\n";
2542}
2543
2544sub reload_facedata {
2545 load_facedata "$DATADIR/facedata"
2546 or die "unable to load facedata\n";
2547}
2548
2549sub reload_archetypes {
2550 load_resource_file "$DATADIR/archetypes"
2551 or die "unable to load archetypes\n";
2552}
2553
2554sub reload_treasures {
2555 load_resource_file "$DATADIR/treasures"
2556 or die "unable to load treasurelists\n";
2557}
2558
2559sub reload_resources {
2560 warn "reloading resource files...\n";
2561
2562 reload_regions;
2563 reload_facedata;
2564 reload_archetypes;
2565 reload_treasures;
2566
2567 warn "finished reloading resource files\n";
2568}
2569
2570sub init {
2571 reload_resources;
2274} 2572}
2275 2573
2276sub cfg_load { 2574sub cfg_load {
2277 open my $fh, "<:utf8", cf::confdir . "/config" 2575 open my $fh, "<:utf8", "$CONFDIR/config"
2278 or return; 2576 or return;
2279 2577
2280 local $/; 2578 local $/;
2281 *CFG = YAML::Syck::Load <$fh>; 2579 *CFG = YAML::Syck::Load <$fh>;
2282 2580
2290 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 2588 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2291 and die "WARNING: m(un)lockall failed: $!\n"; 2589 and die "WARNING: m(un)lockall failed: $!\n";
2292 }; 2590 };
2293 warn $@ if $@; 2591 warn $@ if $@;
2294 } 2592 }
2295}
2296
2297sub init {
2298 init_resources;
2299} 2593}
2300 2594
2301sub main { 2595sub main {
2302 # we must not ever block the main coroutine 2596 # we must not ever block the main coroutine
2303 local $Coro::idle = sub { 2597 local $Coro::idle = sub {
2371 2665
2372 warn Carp::longmess "post_cleanup backtrace" 2666 warn Carp::longmess "post_cleanup backtrace"
2373 if $make_core; 2667 if $make_core;
2374} 2668}
2375 2669
2376sub reload() { 2670sub do_reload_perl() {
2377 # can/must only be called in main 2671 # can/must only be called in main
2378 if ($Coro::current != $Coro::main) { 2672 if ($Coro::current != $Coro::main) {
2379 warn "can only reload from main coroutine"; 2673 warn "can only reload from main coroutine";
2380 return; 2674 return;
2381 } 2675 }
2406 Coro::cede; 2700 Coro::cede;
2407 last unless IO::AIO::nreqs || BDB::nreqs; 2701 last unless IO::AIO::nreqs || BDB::nreqs;
2408 warn "iterate..."; 2702 warn "iterate...";
2409 } 2703 }
2410 2704
2705 ++$RELOAD;
2706
2411 warn "cancelling all extension coros"; 2707 warn "cancelling all extension coros";
2412 $_->cancel for values %EXT_CORO; 2708 $_->cancel for values %EXT_CORO;
2413 %EXT_CORO = (); 2709 %EXT_CORO = ();
2414 2710
2415 warn "removing commands"; 2711 warn "removing commands";
2454 Symbol::delete_package "safe::$_" 2750 Symbol::delete_package "safe::$_"
2455 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2751 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2456 2752
2457 warn "unloading cf.pm \"a bit\""; 2753 warn "unloading cf.pm \"a bit\"";
2458 delete $INC{"cf.pm"}; 2754 delete $INC{"cf.pm"};
2755 delete $INC{"cf/pod.pm"};
2459 2756
2460 # don't, removes xs symbols, too, 2757 # don't, removes xs symbols, too,
2461 # and global variables created in xs 2758 # and global variables created in xs
2462 #Symbol::delete_package __PACKAGE__; 2759 #Symbol::delete_package __PACKAGE__;
2463 2760
2478 warn "reattaching attachments to maps"; 2775 warn "reattaching attachments to maps";
2479 reattach $_ for values %MAP; 2776 reattach $_ for values %MAP;
2480 warn "reattaching attachments to players"; 2777 warn "reattaching attachments to players";
2481 reattach $_ for values %PLAYER; 2778 reattach $_ for values %PLAYER;
2482 2779
2483 warn "loading reloadable resources";
2484 init_resources;
2485
2486 warn "leaving sync_job"; 2780 warn "leaving sync_job";
2487 2781
2488 1 2782 1
2489 } or do { 2783 } or do {
2490 warn $@; 2784 warn $@;
2495 warn "reloaded"; 2789 warn "reloaded";
2496}; 2790};
2497 2791
2498our $RELOAD_WATCHER; # used only during reload 2792our $RELOAD_WATCHER; # used only during reload
2499 2793
2794sub reload_perl() {
2795 # doing reload synchronously and two reloads happen back-to-back,
2796 # coro crashes during coro_state_free->destroy here.
2797
2798 $RELOAD_WATCHER ||= Event->timer (
2799 reentrant => 0,
2800 after => 0,
2801 data => WF_AUTOCANCEL,
2802 cb => sub {
2803 do_reload_perl;
2804 undef $RELOAD_WATCHER;
2805 },
2806 );
2807}
2808
2500register_command "reload" => sub { 2809register_command "reload" => sub {
2501 my ($who, $arg) = @_; 2810 my ($who, $arg) = @_;
2502 2811
2503 if ($who->flag (FLAG_WIZ)) { 2812 if ($who->flag (FLAG_WIZ)) {
2504 $who->message ("reloading server."); 2813 $who->message ("reloading server.");
2505 2814 async { reload_perl };
2506 # doing reload synchronously and two reloads happen back-to-back,
2507 # coro crashes during coro_state_free->destroy here.
2508
2509 $RELOAD_WATCHER ||= Event->timer (
2510 reentrant => 0,
2511 after => 0,
2512 data => WF_AUTOCANCEL,
2513 cb => sub {
2514 reload;
2515 undef $RELOAD_WATCHER;
2516 },
2517 );
2518 } 2815 }
2519}; 2816};
2520 2817
2521unshift @INC, $LIBDIR; 2818unshift @INC, $LIBDIR;
2522 2819
2523my $bug_warning = 0; 2820my $bug_warning = 0;
2524 2821
2822our @WAIT_FOR_TICK;
2823our @WAIT_FOR_TICK_BEGIN;
2824
2825sub wait_for_tick {
2826 return unless $TICK_WATCHER->is_active;
2827 return if $Coro::current == $Coro::main;
2828
2829 my $signal = new Coro::Signal;
2830 push @WAIT_FOR_TICK, $signal;
2831 $signal->wait;
2832}
2833
2834sub wait_for_tick_begin {
2835 return unless $TICK_WATCHER->is_active;
2836 return if $Coro::current == $Coro::main;
2837
2838 my $signal = new Coro::Signal;
2839 push @WAIT_FOR_TICK_BEGIN, $signal;
2840 $signal->wait;
2841}
2842
2843 my $min = 1e6;#d#
2844 my $avg = 10;
2525$TICK_WATCHER = Event->timer ( 2845$TICK_WATCHER = Event->timer (
2526 reentrant => 0, 2846 reentrant => 0,
2527 parked => 1, 2847 parked => 1,
2528 prio => 0, 2848 prio => 0,
2529 at => $NEXT_TICK || $TICK, 2849 at => $NEXT_TICK || $TICK,
2533 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 2853 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2534 unless ++$bug_warning > 10; 2854 unless ++$bug_warning > 10;
2535 return; 2855 return;
2536 } 2856 }
2537 2857
2538 $NOW = Event::time; 2858 $NOW = $tick_start = Event::time;
2539 2859
2540 cf::server_tick; # one server iteration 2860 cf::server_tick; # one server iteration
2861
2862 0 && sync_job {#d#
2863 for(1..10) {
2864 my $t = Event::time;
2865 my $map = my $map = new_from_path cf::map "/tmp/x.map"
2866 or die;
2867
2868 $map->width (50);
2869 $map->height (50);
2870 $map->alloc;
2871 $map->_load_objects ("/tmp/x.map", 1);
2872 my $t = Event::time - $t;
2873
2874 #next unless $t < 0.0013;#d#
2875 if ($t < $min) {
2876 $min = $t;
2877 }
2878 $avg = $avg * 0.99 + $t * 0.01;
2879 }
2880 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881 exit 0;
2882 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883 };
2884
2541 $RUNTIME += $TICK; 2885 $RUNTIME += $TICK;
2542 $NEXT_TICK += $TICK; 2886 $NEXT_TICK += $TICK;
2543 2887
2544 if ($NOW >= $NEXT_RUNTIME_WRITE) { 2888 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2545 $NEXT_RUNTIME_WRITE = $NOW + 10; 2889 $NEXT_RUNTIME_WRITE = $NOW + 10;
2547 write_runtime 2891 write_runtime
2548 or warn "ERROR: unable to write runtime file: $!"; 2892 or warn "ERROR: unable to write runtime file: $!";
2549 }; 2893 };
2550 } 2894 }
2551 2895
2552 $WAIT_FOR_TICK->broadcast;
2553 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2554
2555# my $AFTER = Event::time; 2896# my $AFTER = Event::time;
2556# warn $AFTER - $NOW;#d# 2897# warn $AFTER - $NOW;#d#
2557 2898
2899 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900 $sig->send;
2901 }
2902 while (my $sig = shift @WAIT_FOR_TICK) {
2903 $sig->send;
2904 }
2905
2906 $NOW = Event::time;
2907
2558 # if we are delayed by four ticks or more, skip them all 2908 # if we are delayed by four ticks or more, skip them all
2559 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2909 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2560 2910
2561 $TICK_WATCHER->at ($NEXT_TICK); 2911 $TICK_WATCHER->at ($NEXT_TICK);
2562 $TICK_WATCHER->start; 2912 $TICK_WATCHER->start;
2913
2914 $LOAD = ($NOW - $tick_start) / $TICK;
2915 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916
2917 _post_tick;
2918
2919
2563 }, 2920 },
2564); 2921);
2565 2922
2566{ 2923{
2567 BDB::max_poll_time $TICK * 0.1; 2924 BDB::max_poll_time $TICK * 0.1;
2595 2952
2596 cf::sync_job { 2953 cf::sync_job {
2597 eval { 2954 eval {
2598 BDB::db_env_open 2955 BDB::db_env_open
2599 $DB_ENV, 2956 $DB_ENV,
2600 $BDB_ENV_DIR, 2957 $BDBDIR,
2601 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 2958 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2602 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 2959 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2603 0666; 2960 0666;
2604 2961
2605 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 2962 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2606 2963
2607 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 2964 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2608 $DB_ENV->set_lk_detect; 2965 $DB_ENV->set_lk_detect;
2609 }; 2966 };
2610 2967
2626 prio => 6, 2983 prio => 6,
2627 cb => \&IO::AIO::poll_cb, 2984 cb => \&IO::AIO::poll_cb,
2628 ); 2985 );
2629} 2986}
2630 2987
2988my $_log_backtrace;
2989
2990sub _log_backtrace {
2991 my ($msg, @addr) = @_;
2992
2993 $msg =~ s/\n//;
2994
2995 # limit the # of concurrent backtraces
2996 if ($_log_backtrace < 2) {
2997 ++$_log_backtrace;
2998 async {
2999 my @bt = fork_call {
3000 @addr = map { sprintf "%x", $_ } @addr;
3001 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003 or die "addr2line: $!";
3004
3005 my @funcs;
3006 my @res = <$fh>;
3007 chomp for @res;
3008 while (@res) {
3009 my ($func, $line) = splice @res, 0, 2, ();
3010 push @funcs, "[$func] $line";
3011 }
3012
3013 @funcs
3014 };
3015
3016 LOG llevInfo, "[ABT] $msg\n";
3017 LOG llevInfo, "[ABT] $_\n" for @bt;
3018 --$_log_backtrace;
3019 };
3020 } else {
3021 LOG llevInfo, "[ABT] $msg\n";
3022 LOG llevInfo, "[ABT] [suppressed]\n";
3023 }
3024}
3025
3026# load additional modules
3027use cf::pod;
3028
2631END { cf::emergency_save } 3029END { cf::emergency_save }
2632 3030
26331 30311
2634 3032

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