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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC vs.
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC

… …
3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket;
8use Storable; 9use Storable;
9use Event; 10use Event;
10use Opcode; 11use Opcode;
11use Safe; 12use Safe;
12use Safe::Hole; 13use Safe::Hole;
13 14
14use Coro 3.52 (); 15use Coro 3.61 ();
15use Coro::State; 16use Coro::State;
17use Coro::Handle;
16use Coro::Event; 18use Coro::Event;
17use Coro::Timer; 19use Coro::Timer;
18use Coro::Signal; 20use Coro::Signal;
19use Coro::Semaphore; 21use Coro::Semaphore;
20use Coro::AIO; 22use Coro::AIO;
… …
52our %EXT_CORO = (); # coroutines bound to extensions 54our %EXT_CORO = (); # coroutines bound to extensions
53our %EXT_MAP = (); # pluggable maps 55our %EXT_MAP = (); # pluggable maps
54 56
55our $RELOAD; # number of reloads so far 57our $RELOAD; # number of reloads so far
56our @EVENT; 58our @EVENT;
57our $LIBDIR = datadir . "/ext";
58 59
59our $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(!)
60our $TICK_WATCHER; 73our $TICK_WATCHER;
61our $AIO_POLL_WATCHER; 74our $AIO_POLL_WATCHER;
62our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63our $NEXT_TICK; 76our $NEXT_TICK;
64our $NOW; 77our $NOW;
… …
73our $RUNTIME; 86our $RUNTIME;
74 87
75our %PLAYER; # all users 88our %PLAYER; # all users
76our %MAP; # all maps 89our %MAP; # all maps
77our $LINK_MAP; # the special {link} map, which is always available 90our $LINK_MAP; # the special {link} map, which is always available
78our $RANDOM_MAPS = cf::localdir . "/random";
79our $BDB_ENV_DIR = cf::localdir . "/db";
80
81our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83 91
84# 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 ∕
85our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86 94
95our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing
97our $tick_start; # for load detecting purposes
98
87binmode STDOUT; 99binmode STDOUT;
88binmode STDERR; 100binmode STDERR;
89 101
90# read virtual server time, if available 102# read virtual server time, if available
91unless ($RUNTIME || !-e cf::localdir . "/runtime") { 103unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92 open my $fh, "<", cf::localdir . "/runtime" 104 open my $fh, "<", "$LOCALDIR/runtime"
93 or die "unable to read runtime file: $!"; 105 or die "unable to read runtime file: $!";
94 $RUNTIME = <$fh> + 0.; 106 $RUNTIME = <$fh> + 0.;
95} 107}
96 108
97mkdir cf::localdir; 109mkdir $_
98mkdir cf::localdir . "/" . cf::playerdir; 110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99mkdir cf::localdir . "/" . cf::tmpdir;
100mkdir cf::localdir . "/" . cf::uniquedir;
101mkdir $RANDOM_MAPS;
102mkdir $BDB_ENV_DIR;
103 111
104our $EMERGENCY_POSITION; 112our $EMERGENCY_POSITION;
105 113
106sub cf::map::normalise; 114sub cf::map::normalise;
107 115
… …
118=item $cf::RUNTIME 126=item $cf::RUNTIME
119 127
120The 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
121every server tick. 129every server tick.
122 130
123=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
124 134
125The perl library directory, where extensions and cf-specific modules can 135Various directories - "/etc", read-only install directory, perl-library
126be 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.
127 139
128=item $cf::NOW 140=item $cf::NOW
129 141
130The time of the last (current) server tick. 142The time of the last (current) server tick.
131 143
132=item $cf::TICK 144=item $cf::TICK
133 145
134The 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.
135 157
136=item %cf::CFG 158=item %cf::CFG
137 159
138Configuration for the server, loaded from C</etc/crossfire/config>, or 160Configuration for the server, loaded from C</etc/crossfire/config>, or
139from wherever your confdir points to. 161from wherever your confdir points to.
140 162
141=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 163=item cf::wait_for_tick, cf::wait_for_tick_begin
142 164
143These 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
144or 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
145processing 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.
146window of cpu time available, or simply to synchronise to the server tick.
147 168
148=back 169=back
149 170
150=cut 171=cut
151 172
152BEGIN { 173BEGIN {
153 *CORE::GLOBAL::warn = sub { 174 *CORE::GLOBAL::warn = sub {
154 my $msg = join "", @_; 175 my $msg = join "", @_;
155 utf8::encode $msg;
156 176
157 $msg .= "\n" 177 $msg .= "\n"
158 unless $msg =~ /\n$/; 178 unless $msg =~ /\n$/;
159 179
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181
182 utf8::encode $msg;
160 LOG llevError, $msg; 183 LOG llevError, $msg;
161 }; 184 };
162} 185}
163 186
164@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
192@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 193@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170 194
171# we bless all objects into (empty) derived classes to force a method lookup 195# we bless all objects into (empty) derived classes to force a method lookup
172# within the Safe compartment. 196# within the Safe compartment.
173for my $pkg (qw( 197for my $pkg (qw(
174 cf::global cf::attachable 198 cf::global cf::attachable
… …
234returned. 258returned.
235 259
236Lock names should begin with a unique identifier (for example, cf::map::find 260Lock names should begin with a unique identifier (for example, cf::map::find
237uses map_find and cf::map::load uses map_load). 261uses map_find and cf::map::load uses map_load).
238 262
263=item $locked = cf::lock_active $string
264
265Return true if the lock is currently active, i.e. somebody has locked it.
266
239=cut 267=cut
240 268
241our %LOCK; 269our %LOCK;
242 270
243sub lock_wait($) { 271sub lock_wait($) {
… …
260 288
261 Coro::guard { 289 Coro::guard {
262 # wake up all waiters, to be on the safe side 290 # wake up all waiters, to be on the safe side
263 $_->ready for @{ delete $LOCK{$key} }; 291 $_->ready for @{ delete $LOCK{$key} };
264 } 292 }
293}
294
295sub lock_active($) {
296 my ($key) = @_;
297
298 ! ! $LOCK{$key}
265} 299}
266 300
267sub freeze_mainloop { 301sub freeze_mainloop {
268 return unless $TICK_WATCHER->is_active; 302 return unless $TICK_WATCHER->is_active;
269 303
… …
299 333
300sub sync_job(&) { 334sub sync_job(&) {
301 my ($job) = @_; 335 my ($job) = @_;
302 336
303 if ($Coro::current == $Coro::main) { 337 if ($Coro::current == $Coro::main) {
338 my $time = Event::time;
339
304 # this is the main coro, too bad, we have to block 340 # this is the main coro, too bad, we have to block
305 # till the operation succeeds, freezing the server :/ 341 # till the operation succeeds, freezing the server :/
306 342
307 # TODO: use suspend/resume instead 343 # TODO: use suspend/resume instead
308 # (but this is cancel-safe) 344 # (but this is cancel-safe)
… …
319 355
320 while ($busy) { 356 while ($busy) {
321 Coro::cede or Event::one_event; 357 Coro::cede or Event::one_event;
322 } 358 }
323 359
360 $time = Event::time - $time;
361
362 LOG llevError | logBacktrace, Carp::longmess "long sync job"
363 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365 $tick_start += $time; # do not account sync jobs to server load
366
324 wantarray ? @res : $res[0] 367 wantarray ? @res : $res[0]
325 } else { 368 } else {
326 # we are in another coroutine, how wonderful, everything just works 369 # we are in another coroutine, how wonderful, everything just works
327 370
328 $job->() 371 $job->()
… …
348 391
349 $coro 392 $coro
350} 393}
351 394
352sub write_runtime { 395sub write_runtime {
396 my $runtime = "$LOCALDIR/runtime";
397
398 # first touch the runtime file to show we are still running:
399 # the fsync below can take a very very long time.
400
401 IO::AIO::aio_utime $runtime, undef, undef;
402
353 my $guard = cf::lock_acquire "write_runtime"; 403 my $guard = cf::lock_acquire "write_runtime";
354
355 my $runtime = cf::localdir . "/runtime";
356 404
357 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
358 or return; 406 or return;
359 407
360 my $value = $cf::RUNTIME + 90 + 10; 408 my $value = $cf::RUNTIME + 90 + 10;
… …
366 414
367 # always fsync - this file is important 415 # always fsync - this file is important
368 aio_fsync $fh 416 aio_fsync $fh
369 and return; 417 and return;
370 418
419 # touch it again to show we are up-to-date
420 aio_utime $fh, undef, undef;
421
371 close $fh 422 close $fh
372 or return; 423 or return;
373 424
374 aio_rename "$runtime~", $runtime 425 aio_rename "$runtime~", $runtime
375 and return; 426 and return;
427
428 warn "runtime file written.\n";
376 429
377 1 430 1
378} 431}
379 432
380=item cf::datalog type => key => value, ... 433=item cf::datalog type => key => value, ...
… …
573 $registry = $CB_TYPE[$object_type] ||= []; 626 $registry = $CB_TYPE[$object_type] ||= [];
574 627
575 } elsif ($type eq "subtype") { 628 } elsif ($type eq "subtype") {
576 defined $object_type or Carp::croak "subtype specified without type"; 629 defined $object_type or Carp::croak "subtype specified without type";
577 my $object_subtype = shift @arg; 630 my $object_subtype = shift @arg;
578 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 631 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579 632
580 } elsif ($type eq "package") { 633 } elsif ($type eq "package") {
581 my $pkg = shift @arg; 634 my $pkg = shift @arg;
582 635
583 while (my ($name, $id) = each %cb_id) { 636 while (my ($name, $id) = each %cb_id) {
… …
624 if (ref $_[0]) { 677 if (ref $_[0]) {
625 _object_attach @_; 678 _object_attach @_;
626 } else { 679 } else {
627 _attach shift->_attach_registry, @_; 680 _attach shift->_attach_registry, @_;
628 } 681 }
682 _recalc_want;
629}; 683};
630 684
631# all those should be optimised 685# all those should be optimised
632sub cf::attachable::detach { 686sub cf::attachable::detach {
633 my ($obj, $name) = @_; 687 my ($obj, $name) = @_;
… …
636 delete $obj->{_attachment}{$name}; 690 delete $obj->{_attachment}{$name};
637 reattach ($obj); 691 reattach ($obj);
638 } else { 692 } else {
639 Carp::croak "cannot, currently, detach class attachments"; 693 Carp::croak "cannot, currently, detach class attachments";
640 } 694 }
695 _recalc_want;
641}; 696};
642 697
643sub cf::attachable::attached { 698sub cf::attachable::attached {
644 my ($obj, $name) = @_; 699 my ($obj, $name) = @_;
645 700
… …
818 or return; 873 or return;
819 $av = eval { (Storable::thaw $av)->{objs} }; 874 $av = eval { (Storable::thaw $av)->{objs} };
820 } 875 }
821 876
822 warn sprintf "loading %s (%d)\n", 877 warn sprintf "loading %s (%d)\n",
823 $filename, length $data, scalar @{$av || []};#d# 878 $filename, length $data, scalar @{$av || []};
824 return ($data, $av); 879 return ($data, $av);
825} 880}
826 881
827############################################################################# 882#############################################################################
828# command handling &c 883# command handling &c
… …
888 943
889 cf::override; 944 cf::override;
890 }, 945 },
891); 946);
892 947
893sub load_extension {
894 my ($path) = @_;
895
896 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
897 my $base = $1;
898 my $pkg = $1;
899 $pkg =~ s/[^[:word:]]/_/g;
900 $pkg = "ext::$pkg";
901
902 warn "... loading '$path' into '$pkg'\n";
903
904 open my $fh, "<:utf8", $path
905 or die "$path: $!";
906
907 my $source =
908 "package $pkg; use strict; use utf8;\n"
909 . "#line 1 \"$path\"\n{\n"
910 . (do { local $/; <$fh> })
911 . "\n};\n1";
912
913 unless (eval $source) {
914 my $msg = $@ ? "$path: $@\n"
915 : "extension disabled.\n";
916 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917 warn $@;
918 warn "mandatory extension failed to load, exiting.\n";
919 exit 1;
920 }
921 die $@;
922 }
923
924 push @EXTS, $pkg;
925}
926
927sub load_extensions { 948sub load_extensions {
949 cf::sync_job {
950 my %todo;
951
928 for my $ext (<$LIBDIR/*.ext>) { 952 for my $path (<$LIBDIR/*.ext>) {
929 next unless -r $ext; 953 next unless -r $path;
930 eval { 954
931 load_extension $ext; 955 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
956 my $base = $1;
957 my $pkg = $1;
958 $pkg =~ s/[^[:word:]]/_/g;
959 $pkg = "ext::$pkg";
960
961 open my $fh, "<:utf8", $path
962 or die "$path: $!";
963
964 my $source = do { local $/; <$fh> };
965
966 my %ext = (
967 path => $path,
968 base => $base,
969 pkg => $pkg,
970 );
971
972 $ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }
973 if $source =~ /^#!.*?perl.*?#\s*(.*)$/;
974
975 $ext{source} =
976 "package $pkg; use strict; use utf8;\n"
977 . "#line 1 \"$path\"\n{\n"
978 . $source
979 . "\n};\n1";
980
981 $todo{$base} = \%ext;
982 }
983
984 my %done;
985 while (%todo) {
986 my $progress;
987
988 while (my ($k, $v) = each %todo) {
989 for (split /,\s*/, $ext{meta}{depends}) {
990 goto skip
991 unless exists $done{$_};
992 }
993
994 warn "... loading '$k' into '$v->{pkg}'\n";
995
996 unless (eval $v->{source}) {
997 my $msg = $@ ? "$v->{path}: $@\n"
998 : "extension disabled.\n";
999
1000 if (exists $v->{meta}{mandatory}) {
1001 warn $msg;
1002 warn "mandatory extension failed to load, exiting.\n";
1003 exit 1;
1004 }
1005
1006 die $msg;
1007 }
1008
1009 $done{$k} = delete $todo{$k};
1010 push @EXTS, $v->{pkg};
932 1 1011 }
933 } or warn "$ext not loaded: $@"; 1012
1013 skip:
1014 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1015 unless $progress;
1016 }
934 } 1017 };
935} 1018}
936 1019
937############################################################################# 1020#############################################################################
938 1021
939=head2 CORE EXTENSIONS 1022=head2 CORE EXTENSIONS
… …
955Returns the given player object, loading it if necessary (might block). 1038Returns the given player object, loading it if necessary (might block).
956 1039
957=cut 1040=cut
958 1041
959sub playerdir($) { 1042sub playerdir($) {
960 cf::localdir 1043 "$PLAYERDIR/"
961 . "/"
962 . cf::playerdir
963 . "/"
964 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1044 . (ref $_[0] ? $_[0]->ob->name : $_[0])
965} 1045}
966 1046
967sub path($) { 1047sub path($) {
968 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1048 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
… …
1088while and may block, so not sync_job-capable, ever. 1168while and may block, so not sync_job-capable, ever.
1089 1169
1090=cut 1170=cut
1091 1171
1092sub list_logins { 1172sub list_logins {
1093 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1173 my $dirs = aio_readdir $PLAYERDIR
1094 or return []; 1174 or return [];
1095 1175
1096 my @logins; 1176 my @logins;
1097 1177
1098 for my $login (@$dirs) { 1178 for my $login (@$dirs) {
… …
1159 my ($self, $type, %msg) = @_; 1239 my ($self, $type, %msg) = @_;
1160 1240
1161 $self->ns->ext_event ($type, %msg); 1241 $self->ns->ext_event ($type, %msg);
1162} 1242}
1163 1243
1164package cf; 1244=head3 cf::region
1245
1246=over 4
1247
1248=cut
1249
1250package cf::region;
1251
1252=item cf::region::find_by_path $path
1253
1254Tries to decuce the probable region for a map knowing only its path.
1255
1256=cut
1257
1258sub find_by_path($) {
1259 my ($path) = @_;
1260
1261 my ($match, $specificity);
1262
1263 for my $region (list) {
1264 if ($region->match && $path =~ $region->match) {
1265 ($match, $specificity) = ($region, $region->specificity)
1266 if $region->specificity > $specificity;
1267 }
1268 }
1269
1270 $match
1271}
1165 1272
1166=back 1273=back
1167
1168 1274
1169=head3 cf::map 1275=head3 cf::map
1170 1276
1171=over 4 1277=over 4
1172 1278
… …
1227 my ($self, $merge) = @_; 1333 my ($self, $merge) = @_;
1228 1334
1229 # we have to keep some variables in memory intact 1335 # we have to keep some variables in memory intact
1230 local $self->{path}; 1336 local $self->{path};
1231 local $self->{load_path}; 1337 local $self->{load_path};
1232 local $self->{deny_save};
1233 local $self->{deny_reset};
1234 1338
1235 $self->SUPER::thawer_merge ($merge); 1339 $self->SUPER::thawer_merge ($merge);
1236} 1340}
1237 1341
1238sub normalise { 1342sub normalise {
… …
1310 1414
1311# the original (read-only) location 1415# the original (read-only) location
1312sub load_path { 1416sub load_path {
1313 my ($self) = @_; 1417 my ($self) = @_;
1314 1418
1315 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1419 "$MAPDIR/$self->{path}.map"
1316} 1420}
1317 1421
1318# the temporary/swap location 1422# the temporary/swap location
1319sub save_path { 1423sub save_path {
1320 my ($self) = @_; 1424 my ($self) = @_;
1321 1425
1322 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1426 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1323 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1427 "$TMPDIR/$path.map"
1324} 1428}
1325 1429
1326# the unique path, undef == no special unique path 1430# the unique path, undef == no special unique path
1327sub uniq_path { 1431sub uniq_path {
1328 my ($self) = @_; 1432 my ($self) = @_;
1329 1433
1330 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1434 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1331 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1435 "$UNIQUEDIR/$path"
1332} 1436}
1333 1437
1334# and all this just because we cannot iterate over 1438# and all this just because we cannot iterate over
1335# all maps in C++... 1439# all maps in C++...
1336sub change_all_map_light { 1440sub change_all_map_light {
1337 my ($change) = @_; 1441 my ($change) = @_;
1338 1442
1339 $_->change_map_light ($change) 1443 $_->change_map_light ($change)
1340 for grep $_->outdoor, values %cf::MAP; 1444 for grep $_->outdoor, values %cf::MAP;
1445}
1446
1447sub decay_objects {
1448 my ($self) = @_;
1449
1450 return if $self->{deny_reset};
1451
1452 $self->do_decay_objects;
1341} 1453}
1342 1454
1343sub unlink_save { 1455sub unlink_save {
1344 my ($self) = @_; 1456 my ($self) = @_;
1345 1457
… …
1403 $self->load_header_orig 1515 $self->load_header_orig
1404 or return; 1516 or return;
1405 $self->prepare_orig; 1517 $self->prepare_orig;
1406 } 1518 }
1407 1519
1520 $self->{deny_reset} = 1
1521 if $self->no_reset;
1522
1523 $self->default_region (cf::region::find_by_path $self->{path})
1524 unless $self->default_region;
1525
1408 1 1526 1
1409} 1527}
1410 1528
1411sub find; 1529sub find;
1412sub find { 1530sub find {
… …
1424 $map->{last_save} = $cf::RUNTIME; 1542 $map->{last_save} = $cf::RUNTIME;
1425 1543
1426 $map->load_header 1544 $map->load_header
1427 or return; 1545 or return;
1428 1546
1429 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1547 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430 # doing this can freeze the server in a sync job, obviously 1548 # doing this can freeze the server in a sync job, obviously
1431 #$cf::WAIT_FOR_TICK->wait; 1549 #$cf::WAIT_FOR_TICK->wait;
1432 $map->reset; 1550 $map->reset;
1433 undef $guard; 1551 undef $guard;
1434 return find $path; 1552 return find $path;
… …
1445 my ($self) = @_; 1563 my ($self) = @_;
1446 1564
1447 local $self->{deny_reset} = 1; # loading can take a long time 1565 local $self->{deny_reset} = 1; # loading can take a long time
1448 1566
1449 my $path = $self->{path}; 1567 my $path = $self->{path};
1568
1569 {
1450 my $guard = cf::lock_acquire "map_load:$path"; 1570 my $guard = cf::lock_acquire "map_load:$path";
1451 1571
1452 return if $self->in_memory != cf::MAP_SWAPPED; 1572 return if $self->in_memory != cf::MAP_SWAPPED;
1453 1573
1454 $self->in_memory (cf::MAP_LOADING); 1574 $self->in_memory (cf::MAP_LOADING);
1455 1575
1456 $self->alloc; 1576 $self->alloc;
1457 1577
1458 $self->pre_load; 1578 $self->pre_load;
1459
1460 $self->_load_objects ($self->{load_path}, 1)
1461 or return;
1462
1463 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1464 if delete $self->{load_original};
1465
1466 if (my $uniq = $self->uniq_path) {
1467 utf8::encode $uniq;
1468 if (aio_open $uniq, O_RDONLY, 0) {
1469 $self->clear_unique_items;
1470 $self->_load_objects ($uniq, 0);
1471 }
1472 }
1473
1474 Coro::cede;
1475
1476 # now do the right thing for maps
1477 $self->link_multipart_objects;
1478
1479 unless ($self->{deny_activate}) {
1480 $self->decay_objects;
1481 $self->fix_auto_apply;
1482 $self->update_buttons;
1483 Coro::cede; 1579 Coro::cede;
1484 $self->set_darkness_map; 1580
1581 $self->_load_objects ($self->{load_path}, 1)
1582 or return;
1583
1584 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1585 if delete $self->{load_original};
1586
1587 if (my $uniq = $self->uniq_path) {
1588 utf8::encode $uniq;
1589 if (aio_open $uniq, O_RDONLY, 0) {
1590 $self->clear_unique_items;
1591 $self->_load_objects ($uniq, 0);
1592 }
1593 }
1594
1595 Coro::cede;
1596 # now do the right thing for maps
1597 $self->link_multipart_objects;
1485 $self->difficulty ($self->estimate_difficulty) 1598 $self->difficulty ($self->estimate_difficulty)
1486 unless $self->difficulty; 1599 unless $self->difficulty;
1487 Coro::cede; 1600 Coro::cede;
1601
1602 unless ($self->{deny_activate}) {
1603 $self->decay_objects;
1604 $self->fix_auto_apply;
1605 $self->update_buttons;
1606 Coro::cede;
1607 $self->set_darkness_map;
1608 Coro::cede;
1488 $self->activate; 1609 $self->activate;
1610 }
1611
1612 $self->in_memory (cf::MAP_IN_MEMORY);
1489 } 1613 }
1490 1614
1491 $self->post_load; 1615 $self->post_load;
1492
1493 $self->in_memory (cf::MAP_IN_MEMORY);
1494} 1616}
1495 1617
1496sub customise_for { 1618sub customise_for {
1497 my ($self, $ob) = @_; 1619 my ($self, $ob) = @_;
1498 1620
1499 return find "~" . $ob->name . "/" . $self->{path} 1621 return find "~" . $ob->name . "/" . $self->{path}
1500 if $self->per_player; 1622 if $self->per_player;
1623
1624# return find "?party/" . $ob->name . "/" . $self->{path}
1625# if $self->per_party;
1501 1626
1502 $self 1627 $self
1503} 1628}
1504 1629
1505# find and load all maps in the 3x3 area around a map 1630# find and load all maps in the 3x3 area around a map
… …
1616 1741
1617sub reset_at { 1742sub reset_at {
1618 my ($self) = @_; 1743 my ($self) = @_;
1619 1744
1620 # TODO: safety, remove and allow resettable per-player maps 1745 # TODO: safety, remove and allow resettable per-player maps
1621 return 1e99 if $self->isa ("ext::map_per_player");#d#
1622 return 1e99 if $self->{deny_reset}; 1746 return 1e99 if $self->{deny_reset};
1623 1747
1624 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1748 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1749 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626 1750
… …
1637 my ($self) = @_; 1761 my ($self) = @_;
1638 1762
1639 my $lock = cf::lock_acquire "map_data:$self->{path}"; 1763 my $lock = cf::lock_acquire "map_data:$self->{path}";
1640 1764
1641 return if $self->players; 1765 return if $self->players;
1642 return if $self->isa ("ext::map_per_player");#d#
1643 1766
1644 warn "resetting map ", $self->path;#d# 1767 warn "resetting map ", $self->path;
1645 1768
1646 $self->in_memory (cf::MAP_SWAPPED); 1769 $self->in_memory (cf::MAP_SWAPPED);
1647 1770
1648 # need to save uniques path 1771 # need to save uniques path
1649 unless ($self->{deny_save}) { 1772 unless ($self->{deny_save}) {
… …
1681 $cf::MAP{$self->path} = $self; 1804 $cf::MAP{$self->path} = $self;
1682 1805
1683 $self->reset; # polite request, might not happen 1806 $self->reset; # polite request, might not happen
1684} 1807}
1685 1808
1809=item $maps = cf::map::tmp_maps
1810
1811Returns an arrayref with all map paths of currently instantiated and saved
1812maps. May block.
1813
1814=cut
1815
1816sub tmp_maps() {
1817 [
1818 map {
1819 utf8::decode $_;
1820 /\.map$/
1821 ? normalise $_
1822 : ()
1823 } @{ aio_readdir $TMPDIR or [] }
1824 ]
1825}
1826
1827=item $maps = cf::map::random_maps
1828
1829Returns an arrayref with all map paths of currently instantiated and saved
1830random maps. May block.
1831
1832=cut
1833
1834sub random_maps() {
1835 [
1836 map {
1837 utf8::decode $_;
1838 /\.map$/
1839 ? normalise "?random/$_"
1840 : ()
1841 } @{ aio_readdir $RANDOMDIR or [] }
1842 ]
1843}
1844
1686=item cf::map::unique_maps 1845=item cf::map::unique_maps
1687 1846
1688Returns an arrayref of paths of all shared maps that have 1847Returns an arrayref of paths of all shared maps that have
1689instantiated unique items. May block. 1848instantiated unique items. May block.
1690 1849
1691=cut 1850=cut
1692 1851
1693sub unique_maps() { 1852sub unique_maps() {
1694 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 1853 [
1695 or return; 1854 map {
1696
1697 my @paths;
1698
1699 for (@$files) {
1700 utf8::decode $_; 1855 utf8::decode $_;
1701 next if /\.pst$/; 1856 /\.map$/
1702 next unless /^$PATH_SEP/o; 1857 ? normalise $_
1703 1858 : ()
1704 push @paths, cf::map::normalise $_; 1859 } @{ aio_readdir $UNIQUEDIR or [] }
1705 } 1860 ]
1706
1707 \@paths
1708} 1861}
1709 1862
1710package cf; 1863package cf;
1711 1864
1712=back 1865=back
… …
1818 $self->deactivate_recursive; 1971 $self->deactivate_recursive;
1819 1972
1820 return if UNIVERSAL::isa $self->map, "ext::map_link"; 1973 return if UNIVERSAL::isa $self->map, "ext::map_link";
1821 1974
1822 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1975 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823 if $self->map; 1976 if $self->map && $self->map->{path} ne "{link}";
1824 1977
1825 $self->enter_map ($LINK_MAP || link_map, 10, 10); 1978 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1826} 1979}
1827 1980
1828sub cf::object::player::leave_link { 1981sub cf::object::player::leave_link {
1829 my ($self, $map, $x, $y) = @_; 1982 my ($self, $map, $x, $y) = @_;
1983
1984 return unless $self->contr->active;
1830 1985
1831 my $link_pos = delete $self->{_link_pos}; 1986 my $link_pos = delete $self->{_link_pos};
1832 1987
1833 unless ($map) { 1988 unless ($map) {
1834 # restore original map position 1989 # restore original map position
… …
1857 2012
1858 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2013 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859 $self->enter_map ($map, $x, $y); 2014 $self->enter_map ($map, $x, $y);
1860} 2015}
1861 2016
1862cf::player->attach (
1863 on_logout => sub {
1864 my ($pl) = @_;
1865
1866 # abort map switching before logout
1867 if ($pl->ob->{_link_pos}) {
1868 cf::sync_job {
1869 $pl->ob->leave_link
1870 };
1871 }
1872 },
1873 on_login => sub {
1874 my ($pl) = @_;
1875
1876 # try to abort aborted map switching on player login :)
1877 # should happen only on crashes
1878 if ($pl->ob->{_link_pos}) {
1879 $pl->ob->enter_link;
1880 (async {
1881 $pl->ob->reply (undef,
1882 "There was an internal problem at your last logout, "
1883 . "the server will try to bring you to your intended destination in a second.",
1884 cf::NDI_RED);
1885 # we need this sleep as the login has a concurrent enter_exit running
1886 # and this sleep increases chances of the player not ending up in scorn
1887 Coro::Timer::sleep 1;
1888 $pl->ob->leave_link;
1889 })->prio (2);
1890 }
1891 },
1892);
1893
1894=item $player_object->goto ($path, $x, $y) 2017=item $player_object->goto ($path, $x, $y[, $check->($map)])
1895 2018
2019Moves the player to the given map-path and coordinates by first freezing
2020her, loading and preparing them map, calling the provided $check callback
2021that has to return the map if sucecssful, and then unfreezes the player on
2022the new (success) or old (failed) map position.
2023
1896=cut 2024=cut
2025
2026our $GOTOGEN;
1897 2027
1898sub cf::object::player::goto { 2028sub cf::object::player::goto {
1899 my ($self, $path, $x, $y) = @_; 2029 my ($self, $path, $x, $y, $check) = @_;
2030
2031 # do generation counting so two concurrent goto's will be executed in-order
2032 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1900 2033
1901 $self->enter_link; 2034 $self->enter_link;
1902 2035
1903 (async { 2036 (async {
1904 my $map = eval { 2037 my $map = eval {
1905 my $map = cf::map::find $path; 2038 my $map = cf::map::find $path;
2039
2040 if ($map) {
1906 $map = $map->customise_for ($self) if $map; 2041 $map = $map->customise_for ($self);
2042 $map = $check->($map) if $check && $map;
2043 } else {
2044 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2045 }
2046
1907 $map 2047 $map
2048 };
2049
2050 if ($@) {
2051 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2052 LOG llevError | logBacktrace, Carp::longmess $@;
1908 } or 2053 }
1909 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910 2054
2055 if ($gen == $self->{_goto_generation}) {
2056 delete $self->{_goto_generation};
1911 $self->leave_link ($map, $x, $y); 2057 $self->leave_link ($map, $x, $y);
2058 }
1912 })->prio (1); 2059 })->prio (1);
1913} 2060}
1914 2061
1915=item $player_object->enter_exit ($exit_object) 2062=item $player_object->enter_exit ($exit_object)
1916 2063
… …
1955 2102
1956 $rmp->{random_seed} ||= $exit->random_seed; 2103 $rmp->{random_seed} ||= $exit->random_seed;
1957 2104
1958 my $data = cf::to_json $rmp; 2105 my $data = cf::to_json $rmp;
1959 my $md5 = Digest::MD5::md5_hex $data; 2106 my $md5 = Digest::MD5::md5_hex $data;
1960 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2107 my $meta = "$RANDOMDIR/$md5.meta";
1961 2108
1962 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2109 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963 aio_write $fh, 0, (length $data), $data, 0; 2110 aio_write $fh, 0, (length $data), $data, 0;
1964 undef $fh; 2111 undef $fh;
1965 aio_rename "$meta~", $meta; 2112 aio_rename "$meta~", $meta;
… …
2234############################################################################# 2381#############################################################################
2235 2382
2236=head2 EXTENSION DATABASE SUPPORT 2383=head2 EXTENSION DATABASE SUPPORT
2237 2384
2238Crossfire maintains a very simple database for extension use. It can 2385Crossfire maintains a very simple database for extension use. It can
2239currently store anything that can be serialised using Storable, which 2386currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2240excludes objects. 2387convert to/from binary).
2241 2388
2242The parameter C<$family> should best start with the name of the extension 2389The parameter C<$family> should best start with the name of the extension
2243using it, it should be unique. 2390using it, it should be unique.
2244 2391
2245=over 4 2392=over 4
… …
2268 BDB::CREATE | BDB::AUTO_COMMIT, 0666; 2415 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269 cf::cleanup "db_open(db): $!" if $!; 2416 cf::cleanup "db_open(db): $!" if $!;
2270 }; 2417 };
2271 cf::cleanup "db_open(db): $@" if $@; 2418 cf::cleanup "db_open(db): $@" if $@;
2272 }; 2419 };
2273
2274 my $path = cf::localdir . "/database.pst";
2275 if (stat $path) {
2276 cf::sync_job {
2277 my $pst = Storable::retrieve $path;
2278
2279 cf::db_put (board => data => $pst->{board});
2280 cf::db_put (guildrules => data => $pst->{guildrules});
2281 cf::db_put (rent => balance => $pst->{rent}{balance});
2282 BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284 unlink $path;
2285 };
2286 }
2287 } 2420 }
2288} 2421}
2289 2422
2290sub db_get($$) { 2423sub db_get($$) {
2291 my $key = "$_[0]/$_[1]"; 2424 my $key = "$_[0]/$_[1]";
2292 2425
2293 cf::sync_job { 2426 cf::sync_job {
2294 BDB::db_get $DB, undef, $key, my $data; 2427 BDB::db_get $DB, undef, $key, my $data;
2295 2428
2296 $! ? () 2429 $! ? ()
2297 : Compress::LZF::sthaw $data 2430 : $data
2298 } 2431 }
2299} 2432}
2300 2433
2301sub db_put($$$) { 2434sub db_put($$$) {
2302 BDB::dbreq_pri 4; 2435 BDB::dbreq_pri 4;
2303 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { }; 2436 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437}
2438
2439=item cf::cache $id => [$paths...], $processversion => $process
2440
2441Generic caching function that returns the value of the resource $id,
2442caching and regenerating as required.
2443
2444This function can block.
2445
2446=cut
2447
2448sub cache {
2449 my ($id, $src, $processversion, $process) = @_;
2450
2451 my $meta =
2452 join "\x00",
2453 $processversion,
2454 map {
2455 aio_stat $_
2456 and Carp::croak "$_: $!";
2457
2458 ($_, (stat _)[7,9])
2459 } @$src;
2460
2461 my $dbmeta = db_get cache => "$id/meta";
2462 if ($dbmeta ne $meta) {
2463 # changed, we may need to process
2464
2465 my @data;
2466 my $md5;
2467
2468 for (0 .. $#$src) {
2469 0 <= aio_load $src->[$_], $data[$_]
2470 or Carp::croak "$src->[$_]: $!";
2471 }
2472
2473 # if processing is expensive, check
2474 # checksum first
2475 if (1) {
2476 $md5 =
2477 join "\x00",
2478 $processversion,
2479 map {
2480 Coro::cede;
2481 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2482 } 0.. $#$src;
2483
2484
2485 my $dbmd5 = db_get cache => "$id/md5";
2486 if ($dbmd5 eq $md5) {
2487 db_put cache => "$id/meta", $meta;
2488
2489 return db_get cache => "$id/data";
2490 }
2491 }
2492
2493 my $t1 = Time::HiRes::time;
2494 my $data = $process->(\@data);
2495 my $t2 = Time::HiRes::time;
2496
2497 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499 db_put cache => "$id/data", $data;
2500 db_put cache => "$id/md5" , $md5;
2501 db_put cache => "$id/meta", $meta;
2502
2503 return $data;
2504 }
2505
2506 db_get cache => "$id/data"
2507}
2508
2509=item fork_call { }, $args
2510
2511Executes the given code block with the given arguments in a seperate
2512process, returning the results. Everything must be serialisable with
2513Coro::Storable. May, of course, block. Note that the executed sub may
2514never block itself or use any form of Event handling.
2515
2516=cut
2517
2518sub fork_call(&@) {
2519 my ($cb, @args) = @_;
2520
2521# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522# or die "socketpair: $!";
2523 pipe my $fh1, my $fh2
2524 or die "pipe: $!";
2525
2526 if (my $pid = fork) {
2527 close $fh2;
2528
2529 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530 $res = Coro::Storable::thaw $res;
2531
2532 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534 die $$res unless "ARRAY" eq ref $res;
2535
2536 return wantarray ? @$res : $res->[-1];
2537 } else {
2538 reset_signals;
2539 local $SIG{__WARN__};
2540 local $SIG{__DIE__};
2541 eval {
2542 close $fh1;
2543
2544 my @res = eval { $cb->(@args) };
2545 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546 };
2547
2548 warn $@ if $@;
2549 _exit 0;
2550 }
2304} 2551}
2305 2552
2306############################################################################# 2553#############################################################################
2307# the server's init and main functions 2554# the server's init and main functions
2308 2555
2309sub load_facedata { 2556sub load_facedata($) {
2310 my $path = sprintf "%s/facedata", cf::datadir; 2557 my ($path) = @_;
2311 2558
2312 warn "loading facedata from $path\n"; 2559 warn "loading facedata from $path\n";
2313 2560
2314 my $facedata; 2561 my $facedata;
2315 0 < aio_load $path, $facedata 2562 0 < aio_load $path, $facedata
… …
2356 } 2603 }
2357 2604
2358 1 2605 1
2359} 2606}
2360 2607
2608sub reload_regions {
2609 load_resource_file "$MAPDIR/regions"
2610 or die "unable to load regions file\n";
2611}
2612
2613sub reload_facedata {
2614 load_facedata "$DATADIR/facedata"
2615 or die "unable to load facedata\n";
2616}
2617
2618sub reload_archetypes {
2619 load_resource_file "$DATADIR/archetypes"
2620 or die "unable to load archetypes\n";
2621}
2622
2623sub reload_treasures {
2624 load_resource_file "$DATADIR/treasures"
2625 or die "unable to load treasurelists\n";
2626}
2627
2361sub reload_resources { 2628sub reload_resources {
2362 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2629 warn "reloading resource files...\n";
2363 or die "unable to load regions file\n";#d# 2630
2631 reload_regions;
2364 load_facedata 2632 reload_facedata;
2365 or die "unable to load facedata\n";#d# 2633 #reload_archetypes;#d#
2634 reload_archetypes;
2635 reload_treasures;
2636
2637 warn "finished reloading resource files\n";
2366} 2638}
2367 2639
2368sub init { 2640sub init {
2369 reload_resources; 2641 reload_resources;
2370} 2642}
2371 2643
2372sub cfg_load { 2644sub cfg_load {
2373 open my $fh, "<:utf8", cf::confdir . "/config" 2645 open my $fh, "<:utf8", "$CONFDIR/config"
2374 or return; 2646 or return;
2375 2647
2376 local $/; 2648 local $/;
2377 *CFG = YAML::Syck::Load <$fh>; 2649 *CFG = YAML::Syck::Load <$fh>;
2378 2650
… …
2463 2735
2464 warn Carp::longmess "post_cleanup backtrace" 2736 warn Carp::longmess "post_cleanup backtrace"
2465 if $make_core; 2737 if $make_core;
2466} 2738}
2467 2739
2468sub reload() { 2740sub do_reload_perl() {
2469 # can/must only be called in main 2741 # can/must only be called in main
2470 if ($Coro::current != $Coro::main) { 2742 if ($Coro::current != $Coro::main) {
2471 warn "can only reload from main coroutine"; 2743 warn "can only reload from main coroutine";
2472 return; 2744 return;
2473 } 2745 }
… …
2548 Symbol::delete_package "safe::$_" 2820 Symbol::delete_package "safe::$_"
2549 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2821 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550 2822
2551 warn "unloading cf.pm \"a bit\""; 2823 warn "unloading cf.pm \"a bit\"";
2552 delete $INC{"cf.pm"}; 2824 delete $INC{"cf.pm"};
2825 delete $INC{"cf/pod.pm"};
2553 2826
2554 # don't, removes xs symbols, too, 2827 # don't, removes xs symbols, too,
2555 # and global variables created in xs 2828 # and global variables created in xs
2556 #Symbol::delete_package __PACKAGE__; 2829 #Symbol::delete_package __PACKAGE__;
2557 2830
… …
2572 warn "reattaching attachments to maps"; 2845 warn "reattaching attachments to maps";
2573 reattach $_ for values %MAP; 2846 reattach $_ for values %MAP;
2574 warn "reattaching attachments to players"; 2847 warn "reattaching attachments to players";
2575 reattach $_ for values %PLAYER; 2848 reattach $_ for values %PLAYER;
2576 2849
2577 warn "loading reloadable resources";
2578 reload_resources;
2579
2580 warn "leaving sync_job"; 2850 warn "leaving sync_job";
2581 2851
2582 1 2852 1
2583 } or do { 2853 } or do {
2584 warn $@; 2854 warn $@;
… …
2589 warn "reloaded"; 2859 warn "reloaded";
2590}; 2860};
2591 2861
2592our $RELOAD_WATCHER; # used only during reload 2862our $RELOAD_WATCHER; # used only during reload
2593 2863
2864sub reload_perl() {
2865 # doing reload synchronously and two reloads happen back-to-back,
2866 # coro crashes during coro_state_free->destroy here.
2867
2868 $RELOAD_WATCHER ||= Event->timer (
2869 reentrant => 0,
2870 after => 0,
2871 data => WF_AUTOCANCEL,
2872 cb => sub {
2873 do_reload_perl;
2874 undef $RELOAD_WATCHER;
2875 },
2876 );
2877}
2878
2594register_command "reload" => sub { 2879register_command "reload" => sub {
2595 my ($who, $arg) = @_; 2880 my ($who, $arg) = @_;
2596 2881
2597 if ($who->flag (FLAG_WIZ)) { 2882 if ($who->flag (FLAG_WIZ)) {
2598 $who->message ("reloading server."); 2883 $who->message ("reloading server.");
2599 2884 async { reload_perl };
2600 # doing reload synchronously and two reloads happen back-to-back,
2601 # coro crashes during coro_state_free->destroy here.
2602
2603 $RELOAD_WATCHER ||= Event->timer (
2604 reentrant => 0,
2605 after => 0,
2606 data => WF_AUTOCANCEL,
2607 cb => sub {
2608 reload;
2609 undef $RELOAD_WATCHER;
2610 },
2611 );
2612 } 2885 }
2613}; 2886};
2614 2887
2615unshift @INC, $LIBDIR; 2888unshift @INC, $LIBDIR;
2616 2889
2617my $bug_warning = 0; 2890my $bug_warning = 0;
2618 2891
2892our @WAIT_FOR_TICK;
2893our @WAIT_FOR_TICK_BEGIN;
2894
2895sub wait_for_tick {
2896 return unless $TICK_WATCHER->is_active;
2897 return if $Coro::current == $Coro::main;
2898
2899 my $signal = new Coro::Signal;
2900 push @WAIT_FOR_TICK, $signal;
2901 $signal->wait;
2902}
2903
2904sub wait_for_tick_begin {
2905 return unless $TICK_WATCHER->is_active;
2906 return if $Coro::current == $Coro::main;
2907
2908 my $signal = new Coro::Signal;
2909 push @WAIT_FOR_TICK_BEGIN, $signal;
2910 $signal->wait;
2911}
2912
2913 my $min = 1e6;#d#
2914 my $avg = 10;
2619$TICK_WATCHER = Event->timer ( 2915$TICK_WATCHER = Event->timer (
2620 reentrant => 0, 2916 reentrant => 0,
2621 parked => 1, 2917 parked => 1,
2622 prio => 0, 2918 prio => 0,
2623 at => $NEXT_TICK || $TICK, 2919 at => $NEXT_TICK || $TICK,
… …
2627 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 2923 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628 unless ++$bug_warning > 10; 2924 unless ++$bug_warning > 10;
2629 return; 2925 return;
2630 } 2926 }
2631 2927
2632 $NOW = Event::time; 2928 $NOW = $tick_start = Event::time;
2633 2929
2634 cf::server_tick; # one server iteration 2930 cf::server_tick; # one server iteration
2931
2932 0 && sync_job {#d#
2933 for(1..10) {
2934 my $t = Event::time;
2935 my $map = my $map = new_from_path cf::map "/tmp/x.map"
2936 or die;
2937
2938 $map->width (50);
2939 $map->height (50);
2940 $map->alloc;
2941 $map->_load_objects ("/tmp/x.map", 1);
2942 my $t = Event::time - $t;
2943
2944 #next unless $t < 0.0013;#d#
2945 if ($t < $min) {
2946 $min = $t;
2947 }
2948 $avg = $avg * 0.99 + $t * 0.01;
2949 }
2950 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951 exit 0;
2952 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953 };
2954
2635 $RUNTIME += $TICK; 2955 $RUNTIME += $TICK;
2636 $NEXT_TICK += $TICK; 2956 $NEXT_TICK += $TICK;
2637 2957
2638 if ($NOW >= $NEXT_RUNTIME_WRITE) { 2958 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639 $NEXT_RUNTIME_WRITE = $NOW + 10; 2959 $NEXT_RUNTIME_WRITE = $NOW + 10;
… …
2641 write_runtime 2961 write_runtime
2642 or warn "ERROR: unable to write runtime file: $!"; 2962 or warn "ERROR: unable to write runtime file: $!";
2643 }; 2963 };
2644 } 2964 }
2645 2965
2646 $WAIT_FOR_TICK->broadcast;
2647 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649# my $AFTER = Event::time; 2966# my $AFTER = Event::time;
2650# warn $AFTER - $NOW;#d# 2967# warn $AFTER - $NOW;#d#
2651 2968
2969 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970 $sig->send;
2971 }
2972 while (my $sig = shift @WAIT_FOR_TICK) {
2973 $sig->send;
2974 }
2975
2976 $NOW = Event::time;
2977
2652 # if we are delayed by four ticks or more, skip them all 2978 # if we are delayed by four ticks or more, skip them all
2653 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2979 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2654 2980
2655 $TICK_WATCHER->at ($NEXT_TICK); 2981 $TICK_WATCHER->at ($NEXT_TICK);
2656 $TICK_WATCHER->start; 2982 $TICK_WATCHER->start;
2983
2984 $LOAD = ($NOW - $tick_start) / $TICK;
2985 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986
2987 _post_tick;
2988
2989
2657 }, 2990 },
2658); 2991);
2659 2992
2660{ 2993{
2661 BDB::max_poll_time $TICK * 0.1; 2994 BDB::max_poll_time $TICK * 0.1;
… …
2689 3022
2690 cf::sync_job { 3023 cf::sync_job {
2691 eval { 3024 eval {
2692 BDB::db_env_open 3025 BDB::db_env_open
2693 $DB_ENV, 3026 $DB_ENV,
2694 $BDB_ENV_DIR, 3027 $BDBDIR,
2695 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3028 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3029 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697 0666; 3030 0666;
2698 3031
2699 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3032 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700 3033
2701 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 3034 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702 $DB_ENV->set_lk_detect; 3035 $DB_ENV->set_lk_detect;
2703 }; 3036 };
2704 3037
… …
2720 prio => 6, 3053 prio => 6,
2721 cb => \&IO::AIO::poll_cb, 3054 cb => \&IO::AIO::poll_cb,
2722 ); 3055 );
2723} 3056}
2724 3057
3058my $_log_backtrace;
3059
3060sub _log_backtrace {
3061 my ($msg, @addr) = @_;
3062
3063 $msg =~ s/\n//;
3064
3065 # limit the # of concurrent backtraces
3066 if ($_log_backtrace < 2) {
3067 ++$_log_backtrace;
3068 async {
3069 my @bt = fork_call {
3070 @addr = map { sprintf "%x", $_ } @addr;
3071 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073 or die "addr2line: $!";
3074
3075 my @funcs;
3076 my @res = <$fh>;
3077 chomp for @res;
3078 while (@res) {
3079 my ($func, $line) = splice @res, 0, 2, ();
3080 push @funcs, "[$func] $line";
3081 }
3082
3083 @funcs
3084 };
3085
3086 LOG llevInfo, "[ABT] $msg\n";
3087 LOG llevInfo, "[ABT] $_\n" for @bt;
3088 --$_log_backtrace;
3089 };
3090 } else {
3091 LOG llevInfo, "[ABT] $msg\n";
3092 LOG llevInfo, "[ABT] [suppressed]\n";
3093 }
3094}
3095
3096# load additional modules
3097use cf::pod;
3098
2725END { cf::emergency_save } 3099END { cf::emergency_save }
2726 3100
27271 31011
2728 3102

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