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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 1.278 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;
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';
157@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160@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';
161@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)
162 194
163# 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
164# within the Safe compartment. 196# within the Safe compartment.
165for my $pkg (qw( 197for my $pkg (qw(
166 cf::global cf::attachable 198 cf::global cf::attachable
202 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 234 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203 $d 235 $d
204 } || "[unable to dump $_[0]: '$@']"; 236 } || "[unable to dump $_[0]: '$@']";
205} 237}
206 238
207use JSON::Syck (); # TODO# replace by JSON::PC once working 239use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
208 240
209=item $ref = cf::from_json $json 241=item $ref = cf::from_json $json
210 242
211Converts a JSON string into the corresponding perl data structure. 243Converts a JSON string into the corresponding perl data structure.
212 244
213=cut
214
215sub from_json($) {
216 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217 JSON::Syck::Load $_[0]
218}
219
220=item $json = cf::to_json $ref 245=item $json = cf::to_json $ref
221 246
222Converts a perl data structure into its JSON representation. 247Converts a perl data structure into its JSON representation.
223
224=cut
225
226sub to_json($) {
227 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
228 JSON::Syck::Dump $_[0]
229}
230 248
231=item cf::lock_wait $string 249=item cf::lock_wait $string
232 250
233Wait until the given lock is available. See cf::lock_acquire. 251Wait until the given lock is available. See cf::lock_acquire.
234 252
240returned. 258returned.
241 259
242Lock 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
243uses map_find and cf::map::load uses map_load). 261uses map_find and cf::map::load uses map_load).
244 262
263=item $locked = cf::lock_active $string
264
265Return true if the lock is currently active, i.e. somebody has locked it.
266
245=cut 267=cut
246 268
247our %LOCK; 269our %LOCK;
248 270
249sub lock_wait($) { 271sub lock_wait($) {
266 288
267 Coro::guard { 289 Coro::guard {
268 # wake up all waiters, to be on the safe side 290 # wake up all waiters, to be on the safe side
269 $_->ready for @{ delete $LOCK{$key} }; 291 $_->ready for @{ delete $LOCK{$key} };
270 } 292 }
293}
294
295sub lock_active($) {
296 my ($key) = @_;
297
298 ! ! $LOCK{$key}
271} 299}
272 300
273sub freeze_mainloop { 301sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 302 return unless $TICK_WATCHER->is_active;
275 303
305 333
306sub sync_job(&) { 334sub sync_job(&) {
307 my ($job) = @_; 335 my ($job) = @_;
308 336
309 if ($Coro::current == $Coro::main) { 337 if ($Coro::current == $Coro::main) {
338 my $time = Event::time;
339
310 # this is the main coro, too bad, we have to block 340 # this is the main coro, too bad, we have to block
311 # till the operation succeeds, freezing the server :/ 341 # till the operation succeeds, freezing the server :/
312 342
313 # TODO: use suspend/resume instead 343 # TODO: use suspend/resume instead
314 # (but this is cancel-safe) 344 # (but this is cancel-safe)
325 355
326 while ($busy) { 356 while ($busy) {
327 Coro::cede or Event::one_event; 357 Coro::cede or Event::one_event;
328 } 358 }
329 359
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
330 wantarray ? @res : $res[0] 367 wantarray ? @res : $res[0]
331 } else { 368 } else {
332 # we are in another coroutine, how wonderful, everything just works 369 # we are in another coroutine, how wonderful, everything just works
333 370
334 $job->() 371 $job->()
354 391
355 $coro 392 $coro
356} 393}
357 394
358sub 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
359 my $guard = cf::lock_acquire "write_runtime"; 403 my $guard = cf::lock_acquire "write_runtime";
360
361 my $runtime = cf::localdir . "/runtime";
362 404
363 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
364 or return; 406 or return;
365 407
366 my $value = $cf::RUNTIME + 90 + 10; 408 my $value = $cf::RUNTIME + 90 + 10;
372 414
373 # always fsync - this file is important 415 # always fsync - this file is important
374 aio_fsync $fh 416 aio_fsync $fh
375 and return; 417 and return;
376 418
419 # touch it again to show we are up-to-date
420 aio_utime $fh, undef, undef;
421
377 close $fh 422 close $fh
378 or return; 423 or return;
379 424
380 aio_rename "$runtime~", $runtime 425 aio_rename "$runtime~", $runtime
381 and return; 426 and return;
382 427
428 warn "runtime file written.\n";
429
383 1 430 1
431}
432
433=item cf::datalog type => key => value, ...
434
435Log a datalog packet of the given type with the given key-value pairs.
436
437=cut
438
439sub datalog($@) {
440 my ($type, %kv) = @_;
441 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384} 442}
385 443
386=back 444=back
387 445
388=cut 446=cut
568 $registry = $CB_TYPE[$object_type] ||= []; 626 $registry = $CB_TYPE[$object_type] ||= [];
569 627
570 } elsif ($type eq "subtype") { 628 } elsif ($type eq "subtype") {
571 defined $object_type or Carp::croak "subtype specified without type"; 629 defined $object_type or Carp::croak "subtype specified without type";
572 my $object_subtype = shift @arg; 630 my $object_subtype = shift @arg;
573 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 631 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574 632
575 } elsif ($type eq "package") { 633 } elsif ($type eq "package") {
576 my $pkg = shift @arg; 634 my $pkg = shift @arg;
577 635
578 while (my ($name, $id) = each %cb_id) { 636 while (my ($name, $id) = each %cb_id) {
619 if (ref $_[0]) { 677 if (ref $_[0]) {
620 _object_attach @_; 678 _object_attach @_;
621 } else { 679 } else {
622 _attach shift->_attach_registry, @_; 680 _attach shift->_attach_registry, @_;
623 } 681 }
682 _recalc_want;
624}; 683};
625 684
626# all those should be optimised 685# all those should be optimised
627sub cf::attachable::detach { 686sub cf::attachable::detach {
628 my ($obj, $name) = @_; 687 my ($obj, $name) = @_;
631 delete $obj->{_attachment}{$name}; 690 delete $obj->{_attachment}{$name};
632 reattach ($obj); 691 reattach ($obj);
633 } else { 692 } else {
634 Carp::croak "cannot, currently, detach class attachments"; 693 Carp::croak "cannot, currently, detach class attachments";
635 } 694 }
695 _recalc_want;
636}; 696};
637 697
638sub cf::attachable::attached { 698sub cf::attachable::attached {
639 my ($obj, $name) = @_; 699 my ($obj, $name) = @_;
640 700
813 or return; 873 or return;
814 $av = eval { (Storable::thaw $av)->{objs} }; 874 $av = eval { (Storable::thaw $av)->{objs} };
815 } 875 }
816 876
817 warn sprintf "loading %s (%d)\n", 877 warn sprintf "loading %s (%d)\n",
818 $filename, length $data, scalar @{$av || []};#d# 878 $filename, length $data, scalar @{$av || []};
819 return ($data, $av); 879 return ($data, $av);
820} 880}
821 881
822############################################################################# 882#############################################################################
823# command handling &c 883# command handling &c
883 943
884 cf::override; 944 cf::override;
885 }, 945 },
886); 946);
887 947
888sub load_extension {
889 my ($path) = @_;
890
891 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
892 my $base = $1;
893 my $pkg = $1;
894 $pkg =~ s/[^[:word:]]/_/g;
895 $pkg = "ext::$pkg";
896
897 warn "... loading '$path' into '$pkg'\n";
898
899 open my $fh, "<:utf8", $path
900 or die "$path: $!";
901
902 my $source =
903 "package $pkg; use strict; use utf8;\n"
904 . "#line 1 \"$path\"\n{\n"
905 . (do { local $/; <$fh> })
906 . "\n};\n1";
907
908 unless (eval $source) {
909 my $msg = $@ ? "$path: $@\n"
910 : "extension disabled.\n";
911 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912 warn $@;
913 warn "mandatory extension failed to load, exiting.\n";
914 exit 1;
915 }
916 die $@;
917 }
918
919 push @EXTS, $pkg;
920}
921
922sub load_extensions { 948sub load_extensions {
949 cf::sync_job {
950 my %todo;
951
923 for my $ext (<$LIBDIR/*.ext>) { 952 for my $path (<$LIBDIR/*.ext>) {
924 next unless -r $ext; 953 next unless -r $path;
925 eval { 954
926 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, $v->{pkg};
927 1 1011 }
928 } or warn "$ext not loaded: $@"; 1012
1013 skip:
1014 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1015 unless $progress;
1016 }
929 } 1017 };
930} 1018}
931 1019
932############################################################################# 1020#############################################################################
933 1021
934=head2 CORE EXTENSIONS 1022=head2 CORE EXTENSIONS
950Returns the given player object, loading it if necessary (might block). 1038Returns the given player object, loading it if necessary (might block).
951 1039
952=cut 1040=cut
953 1041
954sub playerdir($) { 1042sub playerdir($) {
955 cf::localdir 1043 "$PLAYERDIR/"
956 . "/"
957 . cf::playerdir
958 . "/"
959 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1044 . (ref $_[0] ? $_[0]->ob->name : $_[0])
960} 1045}
961 1046
962sub path($) { 1047sub path($) {
963 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1048 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964 1049
965 (playerdir $login) . "/$login.pl" 1050 (playerdir $login) . "/playerdata"
966} 1051}
967 1052
968sub find_active($) { 1053sub find_active($) {
969 $cf::PLAYER{$_[0]} 1054 $cf::PLAYER{$_[0]}
970 and $cf::PLAYER{$_[0]}->active 1055 and $cf::PLAYER{$_[0]}->active
983 my $login = $_[0]; 1068 my $login = $_[0];
984 1069
985 my $guard = cf::lock_acquire "user_find:$login"; 1070 my $guard = cf::lock_acquire "user_find:$login";
986 1071
987 $cf::PLAYER{$_[0]} || do { 1072 $cf::PLAYER{$_[0]} || do {
1073 # rename old playerfiles to new ones
1074 #TODO: remove when no longer required
1075 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078 aio_unlink +(playerdir $login) . "/$login.pl";
1079
988 my $pl = load_pl path $login 1080 my $pl = load_pl path $login
989 or return; 1081 or return;
990 $cf::PLAYER{$login} = $pl 1082 $cf::PLAYER{$login} = $pl
991 } 1083 }
992 } 1084 }
1076while and may block, so not sync_job-capable, ever. 1168while and may block, so not sync_job-capable, ever.
1077 1169
1078=cut 1170=cut
1079 1171
1080sub list_logins { 1172sub list_logins {
1081 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1173 my $dirs = aio_readdir $PLAYERDIR
1082 or return []; 1174 or return [];
1083 1175
1084 my @logins; 1176 my @logins;
1085 1177
1086 for my $login (@$dirs) { 1178 for my $login (@$dirs) {
1121 } 1213 }
1122 1214
1123 \@paths 1215 \@paths
1124} 1216}
1125 1217
1126=item $player->ext_reply ($msgid, $msgtype, %msg) 1218=item $player->ext_reply ($msgid, %msg)
1127 1219
1128Sends an ext reply to the player. 1220Sends an ext reply to the player.
1129 1221
1130=cut 1222=cut
1131 1223
1132sub ext_reply($$$%) { 1224sub ext_reply($$%) {
1133 my ($self, $id, %msg) = @_; 1225 my ($self, $id, %msg) = @_;
1134 1226
1135 $msg{msgid} = $id; 1227 $msg{msgid} = $id;
1136 1228
1137 $self->send ("ext " . cf::to_json \%msg); 1229 $self->send ("ext " . cf::to_json \%msg);
1138} 1230}
1139 1231
1140package cf; 1232=item $player->ext_event ($type, %msg)
1233
1234Sends an ext event to the client.
1235
1236=cut
1237
1238sub ext_event($$%) {
1239 my ($self, $type, %msg) = @_;
1240
1241 $self->ns->ext_event ($type, %msg);
1242}
1243
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}
1141 1272
1142=back 1273=back
1143
1144 1274
1145=head3 cf::map 1275=head3 cf::map
1146 1276
1147=over 4 1277=over 4
1148 1278
1203 my ($self, $merge) = @_; 1333 my ($self, $merge) = @_;
1204 1334
1205 # we have to keep some variables in memory intact 1335 # we have to keep some variables in memory intact
1206 local $self->{path}; 1336 local $self->{path};
1207 local $self->{load_path}; 1337 local $self->{load_path};
1208 local $self->{deny_save};
1209 local $self->{deny_reset};
1210 1338
1211 $self->SUPER::thawer_merge ($merge); 1339 $self->SUPER::thawer_merge ($merge);
1212} 1340}
1213 1341
1214sub normalise { 1342sub normalise {
1286 1414
1287# the original (read-only) location 1415# the original (read-only) location
1288sub load_path { 1416sub load_path {
1289 my ($self) = @_; 1417 my ($self) = @_;
1290 1418
1291 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1419 "$MAPDIR/$self->{path}.map"
1292} 1420}
1293 1421
1294# the temporary/swap location 1422# the temporary/swap location
1295sub save_path { 1423sub save_path {
1296 my ($self) = @_; 1424 my ($self) = @_;
1297 1425
1298 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1426 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1427 "$TMPDIR/$path.map"
1300} 1428}
1301 1429
1302# the unique path, undef == no special unique path 1430# the unique path, undef == no special unique path
1303sub uniq_path { 1431sub uniq_path {
1304 my ($self) = @_; 1432 my ($self) = @_;
1305 1433
1306 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1434 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1307 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1435 "$UNIQUEDIR/$path"
1308} 1436}
1309 1437
1310# and all this just because we cannot iterate over 1438# and all this just because we cannot iterate over
1311# all maps in C++... 1439# all maps in C++...
1312sub change_all_map_light { 1440sub change_all_map_light {
1313 my ($change) = @_; 1441 my ($change) = @_;
1314 1442
1315 $_->change_map_light ($change) 1443 $_->change_map_light ($change)
1316 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;
1317} 1453}
1318 1454
1319sub unlink_save { 1455sub unlink_save {
1320 my ($self) = @_; 1456 my ($self) = @_;
1321 1457
1379 $self->load_header_orig 1515 $self->load_header_orig
1380 or return; 1516 or return;
1381 $self->prepare_orig; 1517 $self->prepare_orig;
1382 } 1518 }
1383 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
1384 1 1526 1
1385} 1527}
1386 1528
1387sub find; 1529sub find;
1388sub find { 1530sub find {
1400 $map->{last_save} = $cf::RUNTIME; 1542 $map->{last_save} = $cf::RUNTIME;
1401 1543
1402 $map->load_header 1544 $map->load_header
1403 or return; 1545 or return;
1404 1546
1405 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1547 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1406 # doing this can freeze the server in a sync job, obviously 1548 # doing this can freeze the server in a sync job, obviously
1407 #$cf::WAIT_FOR_TICK->wait; 1549 #$cf::WAIT_FOR_TICK->wait;
1408 $map->reset; 1550 $map->reset;
1409 undef $guard; 1551 undef $guard;
1410 return find $path; 1552 return find $path;
1421 my ($self) = @_; 1563 my ($self) = @_;
1422 1564
1423 local $self->{deny_reset} = 1; # loading can take a long time 1565 local $self->{deny_reset} = 1; # loading can take a long time
1424 1566
1425 my $path = $self->{path}; 1567 my $path = $self->{path};
1568
1569 {
1426 my $guard = cf::lock_acquire "map_load:$path"; 1570 my $guard = cf::lock_acquire "map_load:$path";
1427 1571
1428 return if $self->in_memory != cf::MAP_SWAPPED; 1572 return if $self->in_memory != cf::MAP_SWAPPED;
1429 1573
1430 $self->in_memory (cf::MAP_LOADING); 1574 $self->in_memory (cf::MAP_LOADING);
1431 1575
1432 $self->alloc; 1576 $self->alloc;
1433 1577
1434 $self->pre_load; 1578 $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; 1579 Coro::cede;
1460 $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;
1461 $self->difficulty ($self->estimate_difficulty) 1598 $self->difficulty ($self->estimate_difficulty)
1462 unless $self->difficulty; 1599 unless $self->difficulty;
1463 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;
1464 $self->activate; 1609 $self->activate;
1610 }
1611
1612 $self->in_memory (cf::MAP_IN_MEMORY);
1465 } 1613 }
1466 1614
1467 $self->post_load; 1615 $self->post_load;
1468
1469 $self->in_memory (cf::MAP_IN_MEMORY);
1470} 1616}
1471 1617
1472sub customise_for { 1618sub customise_for {
1473 my ($self, $ob) = @_; 1619 my ($self, $ob) = @_;
1474 1620
1475 return find "~" . $ob->name . "/" . $self->{path} 1621 return find "~" . $ob->name . "/" . $self->{path}
1476 if $self->per_player; 1622 if $self->per_player;
1623
1624# return find "?party/" . $ob->name . "/" . $self->{path}
1625# if $self->per_party;
1477 1626
1478 $self 1627 $self
1479} 1628}
1480 1629
1481# 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
1592 1741
1593sub reset_at { 1742sub reset_at {
1594 my ($self) = @_; 1743 my ($self) = @_;
1595 1744
1596 # TODO: safety, remove and allow resettable per-player maps 1745 # TODO: safety, remove and allow resettable per-player maps
1597 return 1e99 if $self->isa ("ext::map_per_player");#d#
1598 return 1e99 if $self->{deny_reset}; 1746 return 1e99 if $self->{deny_reset};
1599 1747
1600 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1748 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1601 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;
1602 1750
1613 my ($self) = @_; 1761 my ($self) = @_;
1614 1762
1615 my $lock = cf::lock_acquire "map_data:$self->{path}"; 1763 my $lock = cf::lock_acquire "map_data:$self->{path}";
1616 1764
1617 return if $self->players; 1765 return if $self->players;
1618 return if $self->isa ("ext::map_per_player");#d#
1619 1766
1620 warn "resetting map ", $self->path;#d# 1767 warn "resetting map ", $self->path;
1621 1768
1622 $self->in_memory (cf::MAP_SWAPPED); 1769 $self->in_memory (cf::MAP_SWAPPED);
1623 1770
1624 # need to save uniques path 1771 # need to save uniques path
1625 unless ($self->{deny_save}) { 1772 unless ($self->{deny_save}) {
1657 $cf::MAP{$self->path} = $self; 1804 $cf::MAP{$self->path} = $self;
1658 1805
1659 $self->reset; # polite request, might not happen 1806 $self->reset; # polite request, might not happen
1660} 1807}
1661 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
1662=item cf::map::unique_maps 1845=item cf::map::unique_maps
1663 1846
1664Returns an arrayref of paths of all shared maps that have 1847Returns an arrayref of paths of all shared maps that have
1665instantiated unique items. May block. 1848instantiated unique items. May block.
1666 1849
1667=cut 1850=cut
1668 1851
1669sub unique_maps() { 1852sub unique_maps() {
1670 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 1853 [
1671 or return; 1854 map {
1672
1673 my @paths;
1674
1675 for (@$files) {
1676 utf8::decode $_; 1855 utf8::decode $_;
1677 next if /\.pst$/; 1856 /\.map$/
1678 next unless /^$PATH_SEP/o; 1857 ? normalise $_
1679 1858 : ()
1680 push @paths, cf::map::normalise $_; 1859 } @{ aio_readdir $UNIQUEDIR or [] }
1681 } 1860 ]
1682
1683 \@paths
1684} 1861}
1685 1862
1686package cf; 1863package cf;
1687 1864
1688=back 1865=back
1794 $self->deactivate_recursive; 1971 $self->deactivate_recursive;
1795 1972
1796 return if UNIVERSAL::isa $self->map, "ext::map_link"; 1973 return if UNIVERSAL::isa $self->map, "ext::map_link";
1797 1974
1798 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1975 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1799 if $self->map; 1976 if $self->map && $self->map->{path} ne "{link}";
1800 1977
1801 $self->enter_map ($LINK_MAP || link_map, 10, 10); 1978 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1802} 1979}
1803 1980
1804sub cf::object::player::leave_link { 1981sub cf::object::player::leave_link {
1805 my ($self, $map, $x, $y) = @_; 1982 my ($self, $map, $x, $y) = @_;
1983
1984 return unless $self->contr->active;
1806 1985
1807 my $link_pos = delete $self->{_link_pos}; 1986 my $link_pos = delete $self->{_link_pos};
1808 1987
1809 unless ($map) { 1988 unless ($map) {
1810 # restore original map position 1989 # restore original map position
1833 2012
1834 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2013 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1835 $self->enter_map ($map, $x, $y); 2014 $self->enter_map ($map, $x, $y);
1836} 2015}
1837 2016
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) 2017=item $player_object->goto ($path, $x, $y[, $check->($map)])
1871 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
1872=cut 2024=cut
2025
2026our $GOTOGEN;
1873 2027
1874sub cf::object::player::goto { 2028sub cf::object::player::goto {
1875 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;
1876 2033
1877 $self->enter_link; 2034 $self->enter_link;
1878 2035
1879 (async { 2036 (async {
1880 my $map = eval { 2037 my $map = eval {
1881 my $map = cf::map::find $path; 2038 my $map = cf::map::find $path;
2039
2040 if ($map) {
1882 $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
1883 $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 $@;
1884 } or 2053 }
1885 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1886 2054
2055 if ($gen == $self->{_goto_generation}) {
2056 delete $self->{_goto_generation};
1887 $self->leave_link ($map, $x, $y); 2057 $self->leave_link ($map, $x, $y);
2058 }
1888 })->prio (1); 2059 })->prio (1);
1889} 2060}
1890 2061
1891=item $player_object->enter_exit ($exit_object) 2062=item $player_object->enter_exit ($exit_object)
1892 2063
1931 2102
1932 $rmp->{random_seed} ||= $exit->random_seed; 2103 $rmp->{random_seed} ||= $exit->random_seed;
1933 2104
1934 my $data = cf::to_json $rmp; 2105 my $data = cf::to_json $rmp;
1935 my $md5 = Digest::MD5::md5_hex $data; 2106 my $md5 = Digest::MD5::md5_hex $data;
1936 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2107 my $meta = "$RANDOMDIR/$md5.meta";
1937 2108
1938 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2109 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1939 aio_write $fh, 0, (length $data), $data, 0; 2110 aio_write $fh, 0, (length $data), $data, 0;
1940 undef $fh; 2111 undef $fh;
1941 aio_rename "$meta~", $meta; 2112 aio_rename "$meta~", $meta;
1950 2121
1951 return unless $self->type == cf::PLAYER; 2122 return unless $self->type == cf::PLAYER;
1952 2123
1953 if ($exit->slaying eq "/!") { 2124 if ($exit->slaying eq "/!") {
1954 #TODO: this should de-fi-ni-te-ly not be a sync-job 2125 #TODO: this should de-fi-ni-te-ly not be a sync-job
2126 # the problem is that $exit might not survive long enough
2127 # so it needs to be done right now, right here
1955 cf::sync_job { prepare_random_map $exit }; 2128 cf::sync_job { prepare_random_map $exit };
1956 } 2129 }
1957 2130
1958 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2131 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1959 my $hp = $exit->stats->hp; 2132 my $hp = $exit->stats->hp;
1967 $self->goto ($slaying, $hp, $sp); 2140 $self->goto ($slaying, $hp, $sp);
1968 2141
1969 1; 2142 1;
1970 }) { 2143 }) {
1971 $self->message ("Something went wrong deep within the crossfire server. " 2144 $self->message ("Something went wrong deep within the crossfire server. "
1972 . "I'll try to bring you back to the map you were before. " 2145 . "I'll try to bring you back to the map you were before. "
1973 . "Please report this to the dungeon master!", 2146 . "Please report this to the dungeon master!",
1974 cf::NDI_UNIQUE | cf::NDI_RED); 2147 cf::NDI_UNIQUE | cf::NDI_RED);
1975 2148
1976 warn "ERROR in enter_exit: $@"; 2149 warn "ERROR in enter_exit: $@";
1977 $self->leave_link; 2150 $self->leave_link;
1978 } 2151 }
1979 })->prio (1); 2152 })->prio (1);
1992 2165
1993sub cf::client::send_drawinfo { 2166sub cf::client::send_drawinfo {
1994 my ($self, $text, $flags) = @_; 2167 my ($self, $text, $flags) = @_;
1995 2168
1996 utf8::encode $text; 2169 utf8::encode $text;
1997 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2170 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1998} 2171}
1999 2172
2173=item $client->ext_event ($type, %msg)
2174
2175Sends an exti event to the client.
2176
2177=cut
2178
2179sub cf::client::ext_event($$%) {
2180 my ($self, $type, %msg) = @_;
2181
2182 $msg{msgtype} = "event_$type";
2183 $self->send_packet ("ext " . cf::to_json \%msg);
2184}
2000 2185
2001=item $success = $client->query ($flags, "text", \&cb) 2186=item $success = $client->query ($flags, "text", \&cb)
2002 2187
2003Queues a query to the client, calling the given callback with 2188Queues a query to the client, calling the given callback with
2004the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2189the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2101 2286
2102# here we export the classes and methods available to script code 2287# here we export the classes and methods available to script code
2103 2288
2104=pod 2289=pod
2105 2290
2106The following fucntions and emthods are available within a safe environment: 2291The following functions and methods are available within a safe environment:
2107 2292
2108 cf::object contr pay_amount pay_player map 2293 cf::object contr pay_amount pay_player map
2109 cf::object::player player 2294 cf::object::player player
2110 cf::player peaceful 2295 cf::player peaceful
2111 cf::map trigger 2296 cf::map trigger
2196############################################################################# 2381#############################################################################
2197 2382
2198=head2 EXTENSION DATABASE SUPPORT 2383=head2 EXTENSION DATABASE SUPPORT
2199 2384
2200Crossfire maintains a very simple database for extension use. It can 2385Crossfire maintains a very simple database for extension use. It can
2201currently store anything that can be serialised using Storable, which 2386currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2202excludes objects. 2387convert to/from binary).
2203 2388
2204The 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
2205using it, it should be unique. 2390using it, it should be unique.
2206 2391
2207=over 4 2392=over 4
2230 BDB::CREATE | BDB::AUTO_COMMIT, 0666; 2415 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2231 cf::cleanup "db_open(db): $!" if $!; 2416 cf::cleanup "db_open(db): $!" if $!;
2232 }; 2417 };
2233 cf::cleanup "db_open(db): $@" if $@; 2418 cf::cleanup "db_open(db): $@" if $@;
2234 }; 2419 };
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 } 2420 }
2250} 2421}
2251 2422
2252sub db_get($$) { 2423sub db_get($$) {
2253 my $key = "$_[0]/$_[1]"; 2424 my $key = "$_[0]/$_[1]";
2254 2425
2255 cf::sync_job { 2426 cf::sync_job {
2256 BDB::db_get $DB, undef, $key, my $data; 2427 BDB::db_get $DB, undef, $key, my $data;
2257 2428
2258 $! ? () 2429 $! ? ()
2259 : Compress::LZF::sthaw $data 2430 : $data
2260 } 2431 }
2261} 2432}
2262 2433
2263sub db_put($$$) { 2434sub db_put($$$) {
2264 BDB::dbreq_pri 4; 2435 BDB::dbreq_pri 4;
2265 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 }
2266} 2551}
2267 2552
2268############################################################################# 2553#############################################################################
2269# the server's init and main functions 2554# the server's init and main functions
2270 2555
2271sub init_resources { 2556sub load_facedata($) {
2272 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2557 my ($path) = @_;
2558
2559 warn "loading facedata from $path\n";
2560
2561 my $facedata;
2562 0 < aio_load $path, $facedata
2563 or die "$path: $!";
2564
2565 $facedata = Coro::Storable::thaw $facedata;
2566
2567 $facedata->{version} == 2
2568 or cf::cleanup "$path: version mismatch, cannot proceed.";
2569
2570 {
2571 my $faces = $facedata->{faceinfo};
2572
2573 while (my ($face, $info) = each %$faces) {
2574 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2575 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2576 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2577 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2578 Coro::cede;
2579 }
2580
2581 while (my ($face, $info) = each %$faces) {
2582 next unless $info->{smooth};
2583 my $idx = cf::face::find $face
2584 or next;
2585 if (my $smooth = cf::face::find $info->{smooth}) {
2586 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2587 } else {
2588 warn "smooth face '$info->{smooth}' not found for face '$face'";
2589 }
2590 Coro::cede;
2591 }
2592 }
2593
2594 {
2595 my $anims = $facedata->{animinfo};
2596
2597 while (my ($anim, $info) = each %$anims) {
2598 cf::anim::set $anim, $info->{frames}, $info->{facings};
2599 Coro::cede;
2600 }
2601
2602 cf::anim::invalidate_all; # d'oh
2603 }
2604
2605 1
2606}
2607
2608sub reload_regions {
2609 load_resource_file "$MAPDIR/regions"
2273 or die "unable to load regions file\n";#d# 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
2628sub reload_resources {
2629 warn "reloading resource files...\n";
2630
2631 reload_regions;
2632 reload_facedata;
2633 #reload_archetypes;#d#
2634 reload_archetypes;
2635 reload_treasures;
2636
2637 warn "finished reloading resource files\n";
2638}
2639
2640sub init {
2641 reload_resources;
2274} 2642}
2275 2643
2276sub cfg_load { 2644sub cfg_load {
2277 open my $fh, "<:utf8", cf::confdir . "/config" 2645 open my $fh, "<:utf8", "$CONFDIR/config"
2278 or return; 2646 or return;
2279 2647
2280 local $/; 2648 local $/;
2281 *CFG = YAML::Syck::Load <$fh>; 2649 *CFG = YAML::Syck::Load <$fh>;
2282 2650
2290 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 2658 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2291 and die "WARNING: m(un)lockall failed: $!\n"; 2659 and die "WARNING: m(un)lockall failed: $!\n";
2292 }; 2660 };
2293 warn $@ if $@; 2661 warn $@ if $@;
2294 } 2662 }
2295}
2296
2297sub init {
2298 init_resources;
2299} 2663}
2300 2664
2301sub main { 2665sub main {
2302 # we must not ever block the main coroutine 2666 # we must not ever block the main coroutine
2303 local $Coro::idle = sub { 2667 local $Coro::idle = sub {
2371 2735
2372 warn Carp::longmess "post_cleanup backtrace" 2736 warn Carp::longmess "post_cleanup backtrace"
2373 if $make_core; 2737 if $make_core;
2374} 2738}
2375 2739
2376sub reload() { 2740sub do_reload_perl() {
2377 # can/must only be called in main 2741 # can/must only be called in main
2378 if ($Coro::current != $Coro::main) { 2742 if ($Coro::current != $Coro::main) {
2379 warn "can only reload from main coroutine"; 2743 warn "can only reload from main coroutine";
2380 return; 2744 return;
2381 } 2745 }
2406 Coro::cede; 2770 Coro::cede;
2407 last unless IO::AIO::nreqs || BDB::nreqs; 2771 last unless IO::AIO::nreqs || BDB::nreqs;
2408 warn "iterate..."; 2772 warn "iterate...";
2409 } 2773 }
2410 2774
2775 ++$RELOAD;
2776
2411 warn "cancelling all extension coros"; 2777 warn "cancelling all extension coros";
2412 $_->cancel for values %EXT_CORO; 2778 $_->cancel for values %EXT_CORO;
2413 %EXT_CORO = (); 2779 %EXT_CORO = ();
2414 2780
2415 warn "removing commands"; 2781 warn "removing commands";
2454 Symbol::delete_package "safe::$_" 2820 Symbol::delete_package "safe::$_"
2455 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);
2456 2822
2457 warn "unloading cf.pm \"a bit\""; 2823 warn "unloading cf.pm \"a bit\"";
2458 delete $INC{"cf.pm"}; 2824 delete $INC{"cf.pm"};
2825 delete $INC{"cf/pod.pm"};
2459 2826
2460 # don't, removes xs symbols, too, 2827 # don't, removes xs symbols, too,
2461 # and global variables created in xs 2828 # and global variables created in xs
2462 #Symbol::delete_package __PACKAGE__; 2829 #Symbol::delete_package __PACKAGE__;
2463 2830
2478 warn "reattaching attachments to maps"; 2845 warn "reattaching attachments to maps";
2479 reattach $_ for values %MAP; 2846 reattach $_ for values %MAP;
2480 warn "reattaching attachments to players"; 2847 warn "reattaching attachments to players";
2481 reattach $_ for values %PLAYER; 2848 reattach $_ for values %PLAYER;
2482 2849
2483 warn "loading reloadable resources";
2484 init_resources;
2485
2486 warn "leaving sync_job"; 2850 warn "leaving sync_job";
2487 2851
2488 1 2852 1
2489 } or do { 2853 } or do {
2490 warn $@; 2854 warn $@;
2495 warn "reloaded"; 2859 warn "reloaded";
2496}; 2860};
2497 2861
2498our $RELOAD_WATCHER; # used only during reload 2862our $RELOAD_WATCHER; # used only during reload
2499 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
2500register_command "reload" => sub { 2879register_command "reload" => sub {
2501 my ($who, $arg) = @_; 2880 my ($who, $arg) = @_;
2502 2881
2503 if ($who->flag (FLAG_WIZ)) { 2882 if ($who->flag (FLAG_WIZ)) {
2504 $who->message ("reloading server."); 2883 $who->message ("reloading server.");
2505 2884 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 } 2885 }
2519}; 2886};
2520 2887
2521unshift @INC, $LIBDIR; 2888unshift @INC, $LIBDIR;
2522 2889
2523my $bug_warning = 0; 2890my $bug_warning = 0;
2524 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;
2525$TICK_WATCHER = Event->timer ( 2915$TICK_WATCHER = Event->timer (
2526 reentrant => 0, 2916 reentrant => 0,
2527 parked => 1, 2917 parked => 1,
2528 prio => 0, 2918 prio => 0,
2529 at => $NEXT_TICK || $TICK, 2919 at => $NEXT_TICK || $TICK,
2533 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"
2534 unless ++$bug_warning > 10; 2924 unless ++$bug_warning > 10;
2535 return; 2925 return;
2536 } 2926 }
2537 2927
2538 $NOW = Event::time; 2928 $NOW = $tick_start = Event::time;
2539 2929
2540 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
2541 $RUNTIME += $TICK; 2955 $RUNTIME += $TICK;
2542 $NEXT_TICK += $TICK; 2956 $NEXT_TICK += $TICK;
2543 2957
2544 if ($NOW >= $NEXT_RUNTIME_WRITE) { 2958 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2545 $NEXT_RUNTIME_WRITE = $NOW + 10; 2959 $NEXT_RUNTIME_WRITE = $NOW + 10;
2547 write_runtime 2961 write_runtime
2548 or warn "ERROR: unable to write runtime file: $!"; 2962 or warn "ERROR: unable to write runtime file: $!";
2549 }; 2963 };
2550 } 2964 }
2551 2965
2552 $WAIT_FOR_TICK->broadcast;
2553 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2554
2555# my $AFTER = Event::time; 2966# my $AFTER = Event::time;
2556# warn $AFTER - $NOW;#d# 2967# warn $AFTER - $NOW;#d#
2557 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
2558 # 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
2559 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2979 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2560 2980
2561 $TICK_WATCHER->at ($NEXT_TICK); 2981 $TICK_WATCHER->at ($NEXT_TICK);
2562 $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
2563 }, 2990 },
2564); 2991);
2565 2992
2566{ 2993{
2567 BDB::max_poll_time $TICK * 0.1; 2994 BDB::max_poll_time $TICK * 0.1;
2595 3022
2596 cf::sync_job { 3023 cf::sync_job {
2597 eval { 3024 eval {
2598 BDB::db_env_open 3025 BDB::db_env_open
2599 $DB_ENV, 3026 $DB_ENV,
2600 $BDB_ENV_DIR, 3027 $BDBDIR,
2601 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
2602 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3029 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2603 0666; 3030 0666;
2604 3031
2605 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3032 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2606 3033
2607 $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);
2608 $DB_ENV->set_lk_detect; 3035 $DB_ENV->set_lk_detect;
2609 }; 3036 };
2610 3037
2626 prio => 6, 3053 prio => 6,
2627 cb => \&IO::AIO::poll_cb, 3054 cb => \&IO::AIO::poll_cb,
2628 ); 3055 );
2629} 3056}
2630 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
2631END { cf::emergency_save } 3099END { cf::emergency_save }
2632 3100
26331 31011
2634 3102

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