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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.111 by root, Mon Jan 1 12:28:47 2007 UTC vs.
Revision 1.160 by root, Wed Jan 10 22:54:06 2007 UTC

8use Storable; 8use Storable;
9use Opcode; 9use Opcode;
10use Safe; 10use Safe;
11use Safe::Hole; 11use Safe::Hole;
12 12
13use Coro 3.3; 13use Coro 3.3 ();
14use Coro::Event; 14use Coro::Event;
15use Coro::Timer; 15use Coro::Timer;
16use Coro::Signal; 16use Coro::Signal;
17use Coro::Semaphore; 17use Coro::Semaphore;
18use Coro::AIO; 18use Coro::AIO;
19 19
20use Data::Dumper;
20use Digest::MD5; 21use Digest::MD5;
21use Fcntl; 22use Fcntl;
22use IO::AIO 2.31 (); 23use IO::AIO 2.32 ();
23use YAML::Syck (); 24use YAML::Syck ();
24use Time::HiRes; 25use Time::HiRes;
25 26
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 27use Event; $Event::Eval = 1; # no idea why this is required, but it is
27 28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1; 32$YAML::Syck::ImplicitUnicode = 1;
30 33
31$Coro::main->prio (2); # run main coroutine ("the server") with very high priority 34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 35
35our %COMMAND = (); 36our %COMMAND = ();
36our %COMMAND_TIME = (); 37our %COMMAND_TIME = ();
38
39our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 40our %EXTCMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions
38 42
39our @EVENT; 43our @EVENT;
40our $LIBDIR = datadir . "/ext"; 44our $LIBDIR = datadir . "/ext";
41 45
42our $TICK = MAX_TIME * 1e-6; 46our $TICK = MAX_TIME * 1e-6;
47our %CFG; 51our %CFG;
48 52
49our $UPTIME; $UPTIME ||= time; 53our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 54our $RUNTIME;
51 55
56our %PLAYER; # all users
52our %MAP; # all maps 57our %MAP; # all maps
53our $LINK_MAP; # the special {link} map 58our $LINK_MAP; # the special {link} map
54our $FREEZE;
55our $RANDOM_MAPS = cf::localdir . "/random"; 59our $RANDOM_MAPS = cf::localdir . "/random";
56our %EXT_CORO; 60
61our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
62our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
57 63
58binmode STDOUT; 64binmode STDOUT;
59binmode STDERR; 65binmode STDERR;
60 66
61# read virtual server time, if available 67# read virtual server time, if available
71mkdir cf::localdir . "/" . cf::uniquedir; 77mkdir cf::localdir . "/" . cf::uniquedir;
72mkdir $RANDOM_MAPS; 78mkdir $RANDOM_MAPS;
73 79
74# a special map that is always available 80# a special map that is always available
75our $LINK_MAP; 81our $LINK_MAP;
76 82our $EMERGENCY_POSITION;
77our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];
78 83
79############################################################################# 84#############################################################################
80 85
81=head2 GLOBAL VARIABLES 86=head2 GLOBAL VARIABLES
82 87
106 111
107=item %cf::CFG 112=item %cf::CFG
108 113
109Configuration for the server, loaded from C</etc/crossfire/config>, or 114Configuration for the server, loaded from C</etc/crossfire/config>, or
110from wherever your confdir points to. 115from wherever your confdir points to.
116
117=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
118
119These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
120or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
121processing has been done. Call C<< ->wait >> on them to maximise the
122window of cpu time available, or simply to synchronise to the server tick.
111 123
112=back 124=back
113 125
114=cut 126=cut
115 127
119 utf8::encode $msg; 131 utf8::encode $msg;
120 132
121 $msg .= "\n" 133 $msg .= "\n"
122 unless $msg =~ /\n$/; 134 unless $msg =~ /\n$/;
123 135
124 LOG llevError, "cfperl: $msg"; 136 LOG llevError, $msg;
125 }; 137 };
126} 138}
127 139
128@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 140@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 141@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
147 159
148$Event::DIED = sub { 160$Event::DIED = sub {
149 warn "error in event callback: @_"; 161 warn "error in event callback: @_";
150}; 162};
151 163
152my %ext_pkg;
153my @exts;
154my @hook;
155
156=head2 UTILITY FUNCTIONS 164=head2 UTILITY FUNCTIONS
157 165
158=over 4 166=over 4
159 167
168=item dumpval $ref
169
160=cut 170=cut
171
172sub dumpval {
173 eval {
174 local $SIG{__DIE__};
175 my $d;
176 if (1) {
177 $d = new Data::Dumper([$_[0]], ["*var"]);
178 $d->Terse(1);
179 $d->Indent(2);
180 $d->Quotekeys(0);
181 $d->Useqq(1);
182 #$d->Bless(...);
183 $d->Seen($_[1]) if @_ > 1;
184 $d = $d->Dump();
185 }
186 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187 $d
188 } || "[unable to dump $_[0]: '$@']";
189}
161 190
162use JSON::Syck (); # TODO# replace by JSON::PC once working 191use JSON::Syck (); # TODO# replace by JSON::PC once working
163 192
164=item $ref = cf::from_json $json 193=item $ref = cf::from_json $json
165 194
180 209
181sub to_json($) { 210sub to_json($) {
182 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 211 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183 JSON::Syck::Dump $_[0] 212 JSON::Syck::Dump $_[0]
184} 213}
214
215=item cf::lock_wait $string
216
217Wait until the given lock is available. See cf::lock_acquire.
218
219=item my $lock = cf::lock_acquire $string
220
221Wait until the given lock is available and then acquires it and returns
222a Coro::guard object. If the guard object gets destroyed (goes out of scope,
223for example when the coroutine gets canceled), the lock is automatically
224returned.
225
226Lock names should begin with a unique identifier (for example, cf::map::find
227uses map_find and cf::map::load uses map_load).
228
229=cut
230
231our %LOCK;
232
233sub lock_wait($) {
234 my ($key) = @_;
235
236 # wait for lock, if any
237 while ($LOCK{$key}) {
238 push @{ $LOCK{$key} }, $Coro::current;
239 Coro::schedule;
240 }
241}
242
243sub lock_acquire($) {
244 my ($key) = @_;
245
246 # wait, to be sure we are not locked
247 lock_wait $key;
248
249 $LOCK{$key} = [];
250
251 Coro::guard {
252 # wake up all waiters, to be on the safe side
253 $_->ready for @{ delete $LOCK{$key} };
254 }
255}
256
257sub freeze_mainloop {
258 return unless $TICK_WATCHER->is_active;
259
260 my $guard = Coro::guard { $TICK_WATCHER->start };
261 $TICK_WATCHER->stop;
262 $guard
263}
264
265=item cf::async { BLOCK }
266
267Currently the same as Coro::async_pool, meaning you cannot use
268C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
269thing you are allowed to do is call C<prio> on it.
270
271=cut
272
273BEGIN { *async = \&Coro::async_pool }
185 274
186=item cf::sync_job { BLOCK } 275=item cf::sync_job { BLOCK }
187 276
188The design of crossfire+ requires that the main coro ($Coro::main) is 277The design of crossfire+ requires that the main coro ($Coro::main) is
189always able to handle events or runnable, as crossfire+ is only partly 278always able to handle events or runnable, as crossfire+ is only partly
197=cut 286=cut
198 287
199sub sync_job(&) { 288sub sync_job(&) {
200 my ($job) = @_; 289 my ($job) = @_;
201 290
202 my $busy = 1;
203 my @res;
204
205 my $coro = Coro::async {
206 @res = eval { $job->() };
207 warn $@ if $@;
208 undef $busy;
209 };
210
211 if ($Coro::current == $Coro::main) { 291 if ($Coro::current == $Coro::main) {
292 # this is the main coro, too bad, we have to block
293 # till the operation succeeds, freezing the server :/
294
212 # TODO: use suspend/resume instead 295 # TODO: use suspend/resume instead
213 local $FREEZE = 1; 296 # (but this is cancel-safe)
297 my $freeze_guard = freeze_mainloop;
298
299 my $busy = 1;
300 my @res;
301
302 (async {
303 @res = eval { $job->() };
304 warn $@ if $@;
305 undef $busy;
214 $coro->prio (Coro::PRIO_MAX); 306 })->prio (Coro::PRIO_MAX);
307
215 while ($busy) { 308 while ($busy) {
216 Coro::cede_notself; 309 Coro::cede or Event::one_event;
217 Event::one_event unless Coro::nready;
218 } 310 }
311
312 wantarray ? @res : $res[0]
219 } else { 313 } else {
220 $coro->join; 314 # we are in another coroutine, how wonderful, everything just works
315
316 $job->()
221 } 317 }
222
223 wantarray ? @res : $res[0]
224} 318}
225 319
226=item $coro = cf::coro { BLOCK } 320=item $coro = cf::async_ext { BLOCK }
227 321
228Creates and returns a new coro. This coro is automcatially being canceled 322Like async, but this coro is automatically being canceled when the
229when the extension calling this is being unloaded. 323extension calling this is being unloaded.
230 324
231=cut 325=cut
232 326
233sub coro(&) { 327sub async_ext(&) {
234 my $cb = shift; 328 my $cb = shift;
235 329
236 my $coro; $coro = async { 330 my $coro = &Coro::async ($cb);
237 eval {
238 $cb->();
239 };
240 warn $@ if $@;
241 };
242 331
243 $coro->on_destroy (sub { 332 $coro->on_destroy (sub {
244 delete $EXT_CORO{$coro+0}; 333 delete $EXT_CORO{$coro+0};
245 }); 334 });
246 $EXT_CORO{$coro+0} = $coro; 335 $EXT_CORO{$coro+0} = $coro;
252 my $runtime = cf::localdir . "/runtime"; 341 my $runtime = cf::localdir . "/runtime";
253 342
254 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 343 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
255 or return; 344 or return;
256 345
257 my $value = $cf::RUNTIME; 346 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock
258 (aio_write $fh, 0, (length $value), $value, 0) <= 0 347 (aio_write $fh, 0, (length $value), $value, 0) <= 0
259 and return; 348 and return;
260 349
261 aio_fsync $fh 350 aio_fsync $fh
262 and return; 351 and return;
276 365
277############################################################################# 366#############################################################################
278 367
279package cf::path; 368package cf::path;
280 369
370use overload
371 '""' => \&as_string;
372
373# used to convert map paths into valid unix filenames by repalcing / by ∕
374our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
281sub new { 376sub new {
282 my ($class, $path, $base) = @_; 377 my ($class, $path, $base) = @_;
283 378
284 $path = $path->as_string if ref $path; 379 $path = $path->as_string if ref $path;
285 380
286 my $self = bless { }, $class; 381 my $self = bless { }, $class;
287 382
383 # {... are special paths that are not touched
384 # ?xxx/... are special absolute paths
385 # ?random/... random maps
386 # /! non-realised random map exit
387 # /... normal maps
388 # ~/... per-player maps without a specific player (DO NOT USE)
389 # ~user/... per-player map of a specific user
390
391 $path =~ s/$PATH_SEP/\//go;
392
393 if ($path =~ /^{/) {
394 # fine as it is
288 if ($path =~ s{^\?random/}{}) { 395 } elsif ($path =~ s{^\?random/}{}) {
289 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data; 396 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
290 $self->{random} = cf::from_json $data; 397 $self->{random} = cf::from_json $data;
291 } else { 398 } else {
292 if ($path =~ s{^~([^/]+)?}{}) { 399 if ($path =~ s{^~([^/]+)?}{}) {
293 $self->{user_rel} = 1; 400 $self->{user_rel} = 1;
338# } 445# }
339} 446}
340 447
341# escape the /'s in the path 448# escape the /'s in the path
342sub _escaped_path { 449sub _escaped_path {
343 # ∕ is U+2215
344 (my $path = $_[0]{path}) =~ s/\///g; 450 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
345 $path 451 $path
346} 452}
347 453
348# the original (read-only) location 454# the original (read-only) location
349sub load_path { 455sub load_path {
798 or return; 904 or return;
799 905
800 unless (aio_stat "$filename.pst") { 906 unless (aio_stat "$filename.pst") {
801 (aio_load "$filename.pst", $av) >= 0 907 (aio_load "$filename.pst", $av) >= 0
802 or return; 908 or return;
803 $av = eval { (Storable::thaw <$av>)->{objs} }; 909 $av = eval { (Storable::thaw $av)->{objs} };
804 } 910 }
805 911
912 warn sprintf "loading %s (%d)\n",
913 $filename, length $data, scalar @{$av || []};#d#
806 return ($data, $av); 914 return ($data, $av);
807} 915}
808 916
809############################################################################# 917#############################################################################
810# command handling &c 918# command handling &c
835=cut 943=cut
836 944
837sub register_extcmd { 945sub register_extcmd {
838 my ($name, $cb) = @_; 946 my ($name, $cb) = @_;
839 947
840 my $caller = caller;
841 #warn "registering extcmd '$name' to '$caller'";
842
843 $EXTCMD{$name} = [$cb, $caller]; 948 $EXTCMD{$name} = $cb;
844} 949}
845 950
846cf::player->attach ( 951cf::player->attach (
847 on_command => sub { 952 on_command => sub {
848 my ($pl, $name, $params) = @_; 953 my ($pl, $name, $params) = @_;
861 966
862 my $msg = eval { from_json $buf }; 967 my $msg = eval { from_json $buf };
863 968
864 if (ref $msg) { 969 if (ref $msg) {
865 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 970 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
866 if (my %reply = $cb->[0]->($pl, $msg)) { 971 if (my %reply = $cb->($pl, $msg)) {
867 $pl->ext_reply ($msg->{msgid}, %reply); 972 $pl->ext_reply ($msg->{msgid}, %reply);
868 } 973 }
869 } 974 }
870 } else { 975 } else {
871 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 976 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
873 978
874 cf::override; 979 cf::override;
875 }, 980 },
876); 981);
877 982
878sub register {
879 my ($base, $pkg) = @_;
880
881 #TODO
882}
883
884sub load_extension { 983sub load_extension {
885 my ($path) = @_; 984 my ($path) = @_;
886 985
887 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 986 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
888 my $base = $1; 987 my $base = $1;
889 my $pkg = $1; 988 my $pkg = $1;
890 $pkg =~ s/[^[:word:]]/_/g; 989 $pkg =~ s/[^[:word:]]/_/g;
891 $pkg = "ext::$pkg"; 990 $pkg = "ext::$pkg";
892 991
893 warn "loading '$path' into '$pkg'\n"; 992 warn "... loading '$path' into '$pkg'\n";
894 993
895 open my $fh, "<:utf8", $path 994 open my $fh, "<:utf8", $path
896 or die "$path: $!"; 995 or die "$path: $!";
897 996
898 my $source = 997 my $source =
903 1002
904 eval $source 1003 eval $source
905 or die $@ ? "$path: $@\n" 1004 or die $@ ? "$path: $@\n"
906 : "extension disabled.\n"; 1005 : "extension disabled.\n";
907 1006
908 push @exts, $pkg; 1007 push @EXTS, $pkg;
909 $ext_pkg{$base} = $pkg;
910
911# no strict 'refs';
912# @{"$pkg\::ISA"} = ext::;
913
914 register $base, $pkg;
915}
916
917sub unload_extension {
918 my ($pkg) = @_;
919
920 warn "removing extension $pkg\n";
921
922 # remove hooks
923 #TODO
924# for my $idx (0 .. $#PLUGIN_EVENT) {
925# delete $hook[$idx]{$pkg};
926# }
927
928 # remove commands
929 for my $name (keys %COMMAND) {
930 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
931
932 if (@cb) {
933 $COMMAND{$name} = \@cb;
934 } else {
935 delete $COMMAND{$name};
936 }
937 }
938
939 # remove extcmds
940 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
941 delete $EXTCMD{$name};
942 }
943
944 if (my $cb = $pkg->can ("unload")) {
945 eval {
946 $cb->($pkg);
947 1
948 } or warn "$pkg unloaded, but with errors: $@";
949 }
950
951 Symbol::delete_package $pkg;
952} 1008}
953 1009
954sub load_extensions { 1010sub load_extensions {
955 for my $ext (<$LIBDIR/*.ext>) { 1011 for my $ext (<$LIBDIR/*.ext>) {
956 next unless -r $ext; 1012 next unless -r $ext;
974}; 1030};
975 1031
976cf::map->attach (prio => -10000, package => cf::mapsupport::); 1032cf::map->attach (prio => -10000, package => cf::mapsupport::);
977 1033
978############################################################################# 1034#############################################################################
979# load/save perl data associated with player->ob objects
980
981sub all_objects(@) {
982 @_, map all_objects ($_->inv), @_
983}
984
985# TODO: compatibility cruft, remove when no longer needed
986cf::player->attach (
987 on_load => sub {
988 my ($pl, $path) = @_;
989
990 for my $o (all_objects $pl->ob) {
991 if (my $value = $o->get_ob_key_value ("_perl_data")) {
992 $o->set_ob_key_value ("_perl_data");
993
994 %$o = %{ Storable::thaw pack "H*", $value };
995 }
996 }
997 },
998);
999
1000#############################################################################
1001 1035
1002=head2 CORE EXTENSIONS 1036=head2 CORE EXTENSIONS
1003 1037
1004Functions and methods that extend core crossfire objects. 1038Functions and methods that extend core crossfire objects.
1005 1039
1040=cut
1041
1042package cf::player;
1043
1044use Coro::AIO;
1045
1006=head3 cf::player 1046=head3 cf::player
1007 1047
1008=over 4 1048=over 4
1009 1049
1010=item cf::player::exists $login 1050=item cf::player::find $login
1011 1051
1012Returns true when the given account exists. 1052Returns the given player object, loading it if necessary (might block).
1013 1053
1014=cut 1054=cut
1015 1055
1016sub cf::player::exists($) { 1056sub playerdir($) {
1017 cf::player::find $_[0] 1057 cf::localdir
1018 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; 1058 . "/"
1059 . cf::playerdir
1060 . "/"
1061 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1062}
1063
1064sub path($) {
1065 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066
1067 (playerdir $login) . "/$login.pl"
1068}
1069
1070sub find_active($) {
1071 $cf::PLAYER{$_[0]}
1072 and $cf::PLAYER{$_[0]}->active
1073 and $cf::PLAYER{$_[0]}
1074}
1075
1076sub exists($) {
1077 my ($login) = @_;
1078
1079 $cf::PLAYER{$login}
1080 or cf::sync_job { !aio_stat $login }
1081}
1082
1083sub find($) {
1084 return $cf::PLAYER{$_[0]} || do {
1085 my $login = $_[0];
1086
1087 my $guard = cf::lock_acquire "user_find:$login";
1088
1089 $cf::PLAYER{$_[0]} || do {
1090 my $pl = load_pl path $login
1091 or return;
1092 $cf::PLAYER{$login} = $pl
1093 }
1094 }
1095}
1096
1097sub save($) {
1098 my ($pl) = @_;
1099
1100 return if $pl->{deny_save};
1101
1102 my $path = path $pl;
1103 my $guard = cf::lock_acquire "user_save:$path";
1104
1105 return if $pl->{deny_save};
1106
1107 aio_mkdir playerdir $pl, 0770;
1108 $pl->{last_save} = $cf::RUNTIME;
1109
1110 $pl->save_pl ($path);
1111 Coro::cede;
1112}
1113
1114sub new($) {
1115 my ($login) = @_;
1116
1117 my $self = create;
1118
1119 $self->ob->name ($login);
1120 $self->{deny_save} = 1;
1121
1122 $cf::PLAYER{$login} = $self;
1123
1124 $self
1125}
1126
1127=item $pl->quit_character
1128
1129Nukes the player without looking back. If logged in, the connection will
1130be destroyed. May block for a long time.
1131
1132=cut
1133
1134sub quit_character {
1135 my ($pl) = @_;
1136
1137 $pl->{deny_save} = 1;
1138 $pl->password ("*"); # this should lock out the player until we nuked the dir
1139
1140 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1141 $pl->deactivate;
1142 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1143 $pl->ns->destroy if $pl->ns;
1144
1145 my $path = playerdir $pl;
1146 my $temp = "$path~$cf::RUNTIME~deleting~";
1147 aio_rename $path, $temp;
1148 delete $cf::PLAYER{$pl->ob->name};
1149 $pl->destroy;
1150 IO::AIO::aio_rmtree $temp;
1151}
1152
1153=item cf::player::list_logins
1154
1155Returns am arrayref of all valid playernames in the system, can take a
1156while and may block, so not sync_job-capable, ever.
1157
1158=cut
1159
1160sub list_logins {
1161 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1162 or return [];
1163
1164 my @logins;
1165
1166 for my $login (@$dirs) {
1167 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1168 aio_read $fh, 0, 512, my $buf, 0 or next;
1169 $buf !~ /^password -------------$/m or next; # official not-valid tag
1170
1171 utf8::decode $login;
1172 push @logins, $login;
1173 }
1174
1175 \@logins
1176}
1177
1178=item $player->maps
1179
1180Returns an arrayref of cf::path's of all maps that are private for this
1181player. May block.
1182
1183=cut
1184
1185sub maps($) {
1186 my ($pl) = @_;
1187
1188 my $files = aio_readdir playerdir $pl
1189 or return;
1190
1191 my @paths;
1192
1193 for (@$files) {
1194 utf8::decode $_;
1195 next if /\.(?:pl|pst)$/;
1196 next unless /^$PATH_SEP/o;
1197
1198 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1199 }
1200
1201 \@paths
1019} 1202}
1020 1203
1021=item $player->ext_reply ($msgid, $msgtype, %msg) 1204=item $player->ext_reply ($msgid, $msgtype, %msg)
1022 1205
1023Sends an ext reply to the player. 1206Sends an ext reply to the player.
1024 1207
1025=cut 1208=cut
1026 1209
1027sub cf::player::ext_reply($$$%) { 1210sub ext_reply($$$%) {
1028 my ($self, $id, %msg) = @_; 1211 my ($self, $id, %msg) = @_;
1029 1212
1030 $msg{msgid} = $id; 1213 $msg{msgid} = $id;
1031 1214
1032 $self->send ("ext " . to_json \%msg); 1215 $self->send ("ext " . cf::to_json \%msg);
1033} 1216}
1217
1218package cf;
1034 1219
1035=back 1220=back
1036 1221
1037 1222
1038=head3 cf::map 1223=head3 cf::map
1044package cf::map; 1229package cf::map;
1045 1230
1046use Fcntl; 1231use Fcntl;
1047use Coro::AIO; 1232use Coro::AIO;
1048 1233
1049our $MAX_RESET = 7200; 1234our $MAX_RESET = 3600;
1050our $DEFAULT_RESET = 3600; 1235our $DEFAULT_RESET = 3000;
1051$MAX_RESET = 10;#d#
1052$DEFAULT_RESET = 10;#d#
1053 1236
1054sub generate_random_map { 1237sub generate_random_map {
1055 my ($path, $rmp) = @_; 1238 my ($path, $rmp) = @_;
1056 1239
1057 # mit "rum" bekleckern, nicht 1240 # mit "rum" bekleckern, nicht
1073# and all this just because we cannot iterate over 1256# and all this just because we cannot iterate over
1074# all maps in C++... 1257# all maps in C++...
1075sub change_all_map_light { 1258sub change_all_map_light {
1076 my ($change) = @_; 1259 my ($change) = @_;
1077 1260
1078 $_->change_map_light ($change) for values %cf::MAP; 1261 $_->change_map_light ($change)
1262 for grep $_->outdoor, values %cf::MAP;
1079} 1263}
1080 1264
1081sub try_load_header($) { 1265sub try_load_header($) {
1082 my ($path) = @_; 1266 my ($path) = @_;
1083 1267
1086 or return; 1270 or return;
1087 1271
1088 my $map = cf::map::new 1272 my $map = cf::map::new
1089 or return; 1273 or return;
1090 1274
1275 # for better error messages only, will be overwritten
1276 $map->path ($path);
1277
1091 $map->load_header ($path) 1278 $map->load_header ($path)
1092 or return; 1279 or return;
1093 1280
1094 $map->{load_path} = $path; 1281 $map->{load_path} = $path;
1095 use Data::Dumper; warn Dumper $map;#d#
1096 1282
1097 $map 1283 $map
1098} 1284}
1099 1285
1286sub find;
1100sub find_map { 1287sub find {
1101 my ($path, $origin) = @_; 1288 my ($path, $origin) = @_;
1102 1289
1103 #warn "find_map<$path,$origin>\n";#d# 1290 #warn "find<$path,$origin>\n";#d#
1104 1291
1105 $path = ref $path ? $path : new cf::path $path, $origin && $origin->path; 1292 $path = new cf::path $path, $origin && $origin->path;
1106 my $key = $path->as_string; 1293 my $key = $path->as_string;
1107 1294
1295 cf::lock_wait "map_find:$key";
1296
1108 $cf::MAP{$key} || do { 1297 $cf::MAP{$key} || do {
1298 my $guard = cf::lock_acquire "map_find:$key";
1299
1109 # do it the slow way 1300 # do it the slow way
1110 my $map = try_load_header $path->save_path; 1301 my $map = try_load_header $path->save_path;
1111 1302
1303 Coro::cede;
1304
1112 if ($map) { 1305 if ($map) {
1306 $map->last_access ((delete $map->{last_access})
1307 || $cf::RUNTIME); #d#
1113 # safety 1308 # safety
1114 $map->{instantiate_time} = $cf::RUNTIME 1309 $map->{instantiate_time} = $cf::RUNTIME
1115 if $map->{instantiate_time} > $cf::RUNTIME; 1310 if $map->{instantiate_time} > $cf::RUNTIME;
1116 } else { 1311 } else {
1117 if (my $rmp = $path->random_map_params) { 1312 if (my $rmp = $path->random_map_params) {
1122 1317
1123 $map or return; 1318 $map or return;
1124 1319
1125 $map->{load_original} = 1; 1320 $map->{load_original} = 1;
1126 $map->{instantiate_time} = $cf::RUNTIME; 1321 $map->{instantiate_time} = $cf::RUNTIME;
1322 $map->last_access ($cf::RUNTIME);
1127 $map->instantiate; 1323 $map->instantiate;
1128 1324
1129 # per-player maps become, after loading, normal maps 1325 # per-player maps become, after loading, normal maps
1130 $map->per_player (0) if $path->{user_rel}; 1326 $map->per_player (0) if $path->{user_rel};
1131 } 1327 }
1132 1328
1133 $map->path ($key); 1329 $map->path ($key);
1134 $map->{path} = $path; 1330 $map->{path} = $path;
1135 $map->last_access ($cf::RUNTIME); 1331 $map->{last_save} = $cf::RUNTIME;
1136 1332
1333 Coro::cede;
1334
1137 $map->reset if $map->should_reset; 1335 if ($map->should_reset) {
1336 $map->reset;
1337 undef $guard;
1338 $map = find $path
1339 or return;
1340 }
1138 1341
1139 $cf::MAP{$key} = $map 1342 $cf::MAP{$key} = $map
1140 } 1343 }
1141} 1344}
1142 1345
1143sub load { 1346sub load {
1144 my ($self) = @_; 1347 my ($self) = @_;
1145 1348
1349 my $path = $self->{path};
1350 my $guard = cf::lock_acquire "map_load:" . $path->as_string;
1351
1146 return if $self->in_memory != cf::MAP_SWAPPED; 1352 return if $self->in_memory != cf::MAP_SWAPPED;
1147 1353
1148 $self->in_memory (cf::MAP_LOADING); 1354 $self->in_memory (cf::MAP_LOADING);
1149
1150 my $path = $self->{path};
1151 1355
1152 $self->alloc; 1356 $self->alloc;
1153 $self->load_objects ($self->{load_path}, 1) 1357 $self->load_objects ($self->{load_path}, 1)
1154 or return; 1358 or return;
1155 1359
1156 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) if delete $self->{load_original}; 1360 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361 if delete $self->{load_original};
1157 1362
1158 if (my $uniq = $path->uniq_path) { 1363 if (my $uniq = $path->uniq_path) {
1159 utf8::encode $uniq; 1364 utf8::encode $uniq;
1160 if (aio_open $uniq, O_RDONLY, 0) { 1365 if (aio_open $uniq, O_RDONLY, 0) {
1161 $self->clear_unique_items; 1366 $self->clear_unique_items;
1162 $self->load_objects ($uniq, 0); 1367 $self->load_objects ($uniq, 0);
1163 } 1368 }
1164 } 1369 }
1370
1371 Coro::cede;
1165 1372
1166 # now do the right thing for maps 1373 # now do the right thing for maps
1167 $self->link_multipart_objects; 1374 $self->link_multipart_objects;
1168 1375
1169 if ($self->{path}->is_style_map) { 1376 if ($self->{path}->is_style_map) {
1177 $self->difficulty ($self->estimate_difficulty) 1384 $self->difficulty ($self->estimate_difficulty)
1178 unless $self->difficulty; 1385 unless $self->difficulty;
1179 $self->activate; 1386 $self->activate;
1180 } 1387 }
1181 1388
1389 Coro::cede;
1390
1182 $self->in_memory (cf::MAP_IN_MEMORY); 1391 $self->in_memory (cf::MAP_IN_MEMORY);
1183} 1392}
1184 1393
1185sub load_map_sync { 1394# find and load all maps in the 3x3 area around a map
1395sub load_diag {
1396 my ($map) = @_;
1397
1398 my @diag; # diagonal neighbours
1399
1400 for (0 .. 3) {
1401 my $neigh = $map->tile_path ($_)
1402 or next;
1403 $neigh = find $neigh, $map
1404 or next;
1405 $neigh->load;
1406
1407 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1408 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1409 }
1410
1411 for (@diag) {
1412 my $neigh = find @$_
1413 or next;
1414 $neigh->load;
1415 }
1416}
1417
1418sub find_sync {
1186 my ($path, $origin) = @_; 1419 my ($path, $origin) = @_;
1187 1420
1188 #warn "load_map_sync<$path, $origin>\n";#d# 1421 cf::sync_job { find $path, $origin }
1422}
1189 1423
1190 cf::sync_job { 1424sub do_load_sync {
1191 my $map = cf::map::find_map $path, $origin 1425 my ($map) = @_;
1426
1427 cf::sync_job { $map->load };
1428}
1429
1430our %MAP_PREFETCH;
1431our $MAP_PREFETCHER = Coro::async {
1432 while () {
1433 while (%MAP_PREFETCH) {
1434 my $key = each %MAP_PREFETCH
1192 or return; 1435 or next;
1436 my $path = delete $MAP_PREFETCH{$key};
1437
1438 my $map = find $path
1439 or next;
1193 $map->load; 1440 $map->load;
1194 $map 1441 }
1442 Coro::schedule;
1195 } 1443 }
1444};
1445
1446sub find_async {
1447 my ($path, $origin) = @_;
1448
1449 $path = new cf::path $path, $origin && $origin->path;
1450 my $key = $path->as_string;
1451
1452 if (my $map = $cf::MAP{$key}) {
1453 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454 }
1455
1456 $MAP_PREFETCH{$key} = $path;
1457 $MAP_PREFETCHER->ready;
1458
1459 ()
1196} 1460}
1197 1461
1198sub save { 1462sub save {
1199 my ($self) = @_; 1463 my ($self) = @_;
1200 1464
1465 my $lock = cf::lock_acquire "map_data:" . $self->path;
1466
1467 $self->{last_save} = $cf::RUNTIME;
1468
1469 return unless $self->dirty;
1470
1201 my $save = $self->{path}->save_path; utf8::encode $save; 1471 my $save = $self->{path}->save_path; utf8::encode $save;
1202 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1472 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1203 1473
1204 $self->{last_save} = $cf::RUNTIME;
1205
1206 return unless $self->dirty;
1207
1208 $self->{load_path} = $save; 1474 $self->{load_path} = $save;
1209 1475
1210 return if $self->{deny_save}; 1476 return if $self->{deny_save};
1211 1477
1212 warn "saving map ", $self->path; 1478 local $self->{last_access} = $self->last_access;#d#
1479
1480 cf::async {
1481 $_->contr->save for $self->players;
1482 };
1213 1483
1214 if ($uniq) { 1484 if ($uniq) {
1215 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1485 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1216 $self->save_objects ($uniq, cf::IO_UNIQUES); 1486 $self->save_objects ($uniq, cf::IO_UNIQUES);
1217 } else { 1487 } else {
1220} 1490}
1221 1491
1222sub swap_out { 1492sub swap_out {
1223 my ($self) = @_; 1493 my ($self) = @_;
1224 1494
1495 # save first because save cedes
1496 $self->save;
1497
1498 my $lock = cf::lock_acquire "map_data:" . $self->path;
1499
1225 return if $self->players; 1500 return if $self->players;
1226 return if $self->in_memory != cf::MAP_IN_MEMORY; 1501 return if $self->in_memory != cf::MAP_IN_MEMORY;
1227 return if $self->{deny_save}; 1502 return if $self->{deny_save};
1228 1503
1229 $self->save;
1230 $self->clear; 1504 $self->clear;
1231 $self->in_memory (cf::MAP_SWAPPED); 1505 $self->in_memory (cf::MAP_SWAPPED);
1232} 1506}
1233 1507
1508sub reset_at {
1509 my ($self) = @_;
1510
1511 # TODO: safety, remove and allow resettable per-player maps
1512 return 1e99 if $self->{path}{user_rel};
1513 return 1e99 if $self->{deny_reset};
1514
1515 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517
1518 $time + $to
1519}
1520
1234sub should_reset { 1521sub should_reset {
1235 my ($map) = @_; 1522 my ($self) = @_;
1236 1523
1237 # TODO: safety, remove and allow resettable per-player maps 1524 $self->reset_at <= $cf::RUNTIME
1238 return if $map->{path}{user_rel};#d#
1239 return if $map->{deny_reset};
1240 #return unless $map->reset_timeout;
1241
1242 my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
1243 my $to = $map->reset_timeout || $DEFAULT_RESET;
1244 $to = $MAX_RESET if $to > $MAX_RESET;
1245
1246 $time + $to < $cf::RUNTIME
1247} 1525}
1248 1526
1249sub unlink_save { 1527sub unlink_save {
1250 my ($self) = @_; 1528 my ($self) = @_;
1251 1529
1252 utf8::encode (my $save = $self->{path}->save_path); 1530 utf8::encode (my $save = $self->{path}->save_path);
1253 aioreq_pri 3; IO::AIO::aio_unlink $save; 1531 aioreq_pri 3; IO::AIO::aio_unlink $save;
1254 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst"; 1532 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1255} 1533}
1256 1534
1535sub rename {
1536 my ($self, $new_path) = @_;
1537
1538 $self->unlink_save;
1539
1540 delete $cf::MAP{$self->path};
1541 $self->{path} = new cf::path $new_path;
1542 $self->path ($self->{path}->as_string);
1543 $cf::MAP{$self->path} = $self;
1544
1545 $self->save;
1546}
1547
1257sub reset { 1548sub reset {
1258 my ($self) = @_; 1549 my ($self) = @_;
1259 1550
1551 my $lock = cf::lock_acquire "map_data:" . $self->path;
1552
1260 return if $self->players; 1553 return if $self->players;
1261 return if $self->{path}{user_rel};#d# 1554 return if $self->{path}{user_rel};#d#
1262 1555
1263 warn "resetting map ", $self->path;#d# 1556 warn "resetting map ", $self->path;#d#
1264 1557
1268 1561
1269 $self->unlink_save; 1562 $self->unlink_save;
1270 $self->destroy; 1563 $self->destroy;
1271} 1564}
1272 1565
1566my $nuke_counter = "aaaa";
1567
1568sub nuke {
1569 my ($self) = @_;
1570
1571 $self->{deny_save} = 1;
1572 $self->reset_timeout (1);
1573 $self->rename ("{nuke}/" . ($nuke_counter++));
1574 $self->reset; # polite request, might not happen
1575}
1576
1273sub customise_for { 1577sub customise_for {
1274 my ($map, $ob) = @_; 1578 my ($map, $ob) = @_;
1275 1579
1276 if ($map->per_player) { 1580 if ($map->per_player) {
1277 return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path}; 1581 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1278 } 1582 }
1279 1583
1280 $map 1584 $map
1281} 1585}
1282 1586
1283sub emergency_save { 1587=item cf::map::unique_maps
1284 local $cf::FREEZE = 1;
1285 1588
1286 warn "enter emergency map save\n"; 1589Returns an arrayref of cf::path's of all shared maps that have
1590instantiated unique items. May block.
1287 1591
1288 cf::sync_job { 1592=cut
1289 warn "begin emergency map save\n"; 1593
1290 $_->save for values %cf::MAP; 1594sub unique_maps() {
1595 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1596 or return;
1597
1598 my @paths;
1599
1600 for (@$files) {
1601 utf8::decode $_;
1602 next if /\.pst$/;
1603 next unless /^$PATH_SEP/o;
1604
1605 push @paths, new cf::path $_;
1291 }; 1606 }
1292 1607
1293 warn "end emergency map save\n"; 1608 \@paths
1294} 1609}
1295 1610
1296package cf; 1611package cf;
1297 1612
1298=back 1613=back
1299 1614
1615=head3 cf::object
1616
1617=cut
1618
1619package cf::object;
1620
1621=over 4
1622
1623=item $ob->inv_recursive
1624
1625Returns the inventory of the object _and_ their inventories, recursively.
1626
1627=cut
1628
1629sub inv_recursive_;
1630sub inv_recursive_ {
1631 map { $_, inv_recursive_ $_->inv } @_
1632}
1633
1634sub inv_recursive {
1635 inv_recursive_ inv $_[0]
1636}
1637
1638package cf;
1639
1640=back
1300 1641
1301=head3 cf::object::player 1642=head3 cf::object::player
1302 1643
1303=over 4 1644=over 4
1304 1645
1340 (ref $cf::CFG{"may_$access"} 1681 (ref $cf::CFG{"may_$access"}
1341 ? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}} 1682 ? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1342 : $cf::CFG{"may_$access"}) 1683 : $cf::CFG{"may_$access"})
1343} 1684}
1344 1685
1686=item $player_object->enter_link
1687
1688Freezes the player and moves him/her to a special map (C<{link}>).
1689
1690The player should be reaosnably safe there for short amounts of time. You
1691I<MUST> call C<leave_link> as soon as possible, though.
1692
1693=item $player_object->leave_link ($map, $x, $y)
1694
1695Moves the player out of the specila link map onto the given map. If the
1696map is not valid (or omitted), the player will be moved back to the
1697location he/she was before the call to C<enter_link>, or, if that fails,
1698to the emergency map position.
1699
1700Might block.
1701
1702=cut
1703
1345sub cf::object::player::enter_link { 1704sub cf::object::player::enter_link {
1346 my ($self) = @_; 1705 my ($self) = @_;
1347 1706
1707 $self->deactivate_recursive;
1708
1348 return if $self->map == $LINK_MAP; 1709 return if $self->map == $LINK_MAP;
1349 1710
1350 $self->{_link_pos} = [$self->map->{path}, $self->x, $self->y] 1711 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1351 if $self->map; 1712 if $self->map;
1352 1713
1353 $self->enter_map ($LINK_MAP, 20, 20); 1714 $self->enter_map ($LINK_MAP, 20, 20);
1354 $self->deactivate_recursive;
1355} 1715}
1356 1716
1357sub cf::object::player::leave_link { 1717sub cf::object::player::leave_link {
1358 my ($self, $map, $x, $y) = @_; 1718 my ($self, $map, $x, $y) = @_;
1359 1719
1360 my $link_pos = delete $self->{_link_pos}; 1720 my $link_pos = delete $self->{_link_pos};
1361 1721
1362 unless ($map) { 1722 unless ($map) {
1363 $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1364
1365 # restore original map position 1723 # restore original map position
1366 ($map, $x, $y) = @{ $link_pos || [] }; 1724 ($map, $x, $y) = @{ $link_pos || [] };
1367 $map = cf::map::find_map $map; 1725 $map = cf::map::find $map;
1368 1726
1369 unless ($map) { 1727 unless ($map) {
1370 ($map, $x, $y) = @$EMERGENCY_POSITION; 1728 ($map, $x, $y) = @$EMERGENCY_POSITION;
1371 $map = cf::map::find_map $map 1729 $map = cf::map::find $map
1372 or die "FATAL: cannot load emergency map\n"; 1730 or die "FATAL: cannot load emergency map\n";
1373 } 1731 }
1374 } 1732 }
1375 1733
1376 ($x, $y) = (-1, -1) 1734 ($x, $y) = (-1, -1)
1379 # use -1 or undef as default coordinates, not 0, 0 1737 # use -1 or undef as default coordinates, not 0, 0
1380 ($x, $y) = ($map->enter_x, $map->enter_y) 1738 ($x, $y) = ($map->enter_x, $map->enter_y)
1381 if $x <=0 && $y <= 0; 1739 if $x <=0 && $y <= 0;
1382 1740
1383 $map->load; 1741 $map->load;
1742 $map->load_diag;
1384 1743
1744 return unless $self->contr->active;
1385 $self->activate_recursive; 1745 $self->activate_recursive;
1386 $self->enter_map ($map, $x, $y); 1746 $self->enter_map ($map, $x, $y);
1387} 1747}
1388 1748
1749cf::player->attach (
1750 on_logout => sub {
1751 my ($pl) = @_;
1752
1753 # abort map switching before logout
1754 if ($pl->ob->{_link_pos}) {
1755 cf::sync_job {
1756 $pl->ob->leave_link
1757 };
1758 }
1759 },
1760 on_login => sub {
1761 my ($pl) = @_;
1762
1763 # try to abort aborted map switching on player login :)
1764 # should happen only on crashes
1765 if ($pl->ob->{_link_pos}) {
1766 $pl->ob->enter_link;
1767 (async {
1768 # we need this sleep as the login has a concurrent enter_exit running
1769 # and this sleep increases chances of the player not ending up in scorn
1770 $pl->ob->reply (undef,
1771 "There was an internal problem at your last logout, "
1772 . "the server will try to bring you to your intended destination in a second.",
1773 cf::NDI_RED);
1774 Coro::Timer::sleep 1;
1775 $pl->ob->leave_link;
1776 })->prio (2);
1777 }
1778 },
1779);
1780
1389=item $player_object->goto_map ($map, $x, $y) 1781=item $player_object->goto ($path, $x, $y)
1390 1782
1391=cut 1783=cut
1392 1784
1393sub cf::object::player::goto_map { 1785sub cf::object::player::goto {
1394 my ($self, $path, $x, $y) = @_; 1786 my ($self, $path, $x, $y) = @_;
1395 1787
1788 $path = new cf::path $path;
1789
1396 $self->enter_link; 1790 $self->enter_link;
1397 1791
1398 (Coro::async { 1792 (async {
1399 $path = new cf::path $path;
1400
1401 my $map = cf::map::find_map $path->as_string; 1793 my $map = cf::map::find $path->as_string;
1402 $map = $map->customise_for ($self) if $map; 1794 $map = $map->customise_for ($self) if $map;
1403 1795
1404 warn "entering ", $map->path, " at ($x, $y)\n" 1796# warn "entering ", $map->path, " at ($x, $y)\n"
1405 if $map; 1797# if $map;
1798
1799 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1406 1800
1407 $self->leave_link ($map, $x, $y); 1801 $self->leave_link ($map, $x, $y);
1408 })->prio (1); 1802 })->prio (1);
1409} 1803}
1410 1804
1463 1857
1464 return unless $self->type == cf::PLAYER; 1858 return unless $self->type == cf::PLAYER;
1465 1859
1466 $self->enter_link; 1860 $self->enter_link;
1467 1861
1468 (Coro::async { 1862 (async {
1863 $self->deactivate_recursive; # just to be sure
1469 unless (eval { 1864 unless (eval {
1470
1471 prepare_random_map $exit 1865 prepare_random_map $exit
1472 if $exit->slaying eq "/!"; 1866 if $exit->slaying eq "/!";
1473 1867
1474 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 1868 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1475 $self->goto_map ($path, $exit->stats->hp, $exit->stats->sp); 1869 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1476 1870
1477 1; 1871 1;
1478 }) { 1872 }) {
1479 $self->message ("Something went wrong deep within the crossfire server. " 1873 $self->message ("Something went wrong deep within the crossfire server. "
1480 . "I'll try to bring you back to the map you were before. " 1874 . "I'll try to bring you back to the map you were before. "
1481 . "Please report this to the dungeon master", 1875 . "Please report this to the dungeon master!",
1482 cf::NDI_UNIQUE | cf::NDI_RED); 1876 cf::NDI_UNIQUE | cf::NDI_RED);
1483 1877
1484 warn "ERROR in enter_exit: $@"; 1878 warn "ERROR in enter_exit: $@";
1485 $self->leave_link; 1879 $self->leave_link;
1486 } 1880 }
1537 on_reply => sub { 1931 on_reply => sub {
1538 my ($ns, $msg) = @_; 1932 my ($ns, $msg) = @_;
1539 1933
1540 # this weird shuffling is so that direct followup queries 1934 # this weird shuffling is so that direct followup queries
1541 # get handled first 1935 # get handled first
1542 my $queue = delete $ns->{query_queue}; 1936 my $queue = delete $ns->{query_queue}
1937 or return; # be conservative, not sure how that can happen, but we saw a crash here
1543 1938
1544 (shift @$queue)->[1]->($msg); 1939 (shift @$queue)->[1]->($msg);
1545 1940
1546 push @{ $ns->{query_queue} }, @$queue; 1941 push @{ $ns->{query_queue} }, @$queue;
1547 1942
1553 } 1948 }
1554 } 1949 }
1555 }, 1950 },
1556); 1951);
1557 1952
1558=item $client->coro (\&cb) 1953=item $client->async (\&cb)
1559 1954
1560Create a new coroutine, running the specified callback. The coroutine will 1955Create a new coroutine, running the specified callback. The coroutine will
1561be automatically cancelled when the client gets destroyed (e.g. on logout, 1956be automatically cancelled when the client gets destroyed (e.g. on logout,
1562or loss of connection). 1957or loss of connection).
1563 1958
1564=cut 1959=cut
1565 1960
1566sub cf::client::coro { 1961sub cf::client::async {
1567 my ($self, $cb) = @_; 1962 my ($self, $cb) = @_;
1568 1963
1569 my $coro; $coro = async { 1964 my $coro = &Coro::async ($cb);
1570 eval {
1571 $cb->();
1572 };
1573 warn $@ if $@;
1574 };
1575 1965
1576 $coro->on_destroy (sub { 1966 $coro->on_destroy (sub {
1577 delete $self->{_coro}{$coro+0}; 1967 delete $self->{_coro}{$coro+0};
1578 }); 1968 });
1579 1969
1751 2141
1752{ 2142{
1753 my $path = cf::localdir . "/database.pst"; 2143 my $path = cf::localdir . "/database.pst";
1754 2144
1755 sub db_load() { 2145 sub db_load() {
1756 warn "loading database $path\n";#d# remove later
1757 $DB = stat $path ? Storable::retrieve $path : { }; 2146 $DB = stat $path ? Storable::retrieve $path : { };
1758 } 2147 }
1759 2148
1760 my $pid; 2149 my $pid;
1761 2150
1762 sub db_save() { 2151 sub db_save() {
1763 warn "saving database $path\n";#d# remove later
1764 waitpid $pid, 0 if $pid; 2152 waitpid $pid, 0 if $pid;
1765 if (0 == ($pid = fork)) { 2153 if (0 == ($pid = fork)) {
1766 $DB->{_meta}{version} = 1; 2154 $DB->{_meta}{version} = 1;
1767 Storable::nstore $DB, "$path~"; 2155 Storable::nstore $DB, "$path~";
1768 rename "$path~", $path; 2156 rename "$path~", $path;
1816 open my $fh, "<:utf8", cf::confdir . "/config" 2204 open my $fh, "<:utf8", cf::confdir . "/config"
1817 or return; 2205 or return;
1818 2206
1819 local $/; 2207 local $/;
1820 *CFG = YAML::Syck::Load <$fh>; 2208 *CFG = YAML::Syck::Load <$fh>;
2209
2210 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2211
2212 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2213 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2214
2215 if (exists $CFG{mlockall}) {
2216 eval {
2217 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2218 and die "WARNING: m(un)lockall failed: $!\n";
2219 };
2220 warn $@ if $@;
2221 }
1821} 2222}
1822 2223
1823sub main { 2224sub main {
1824 # we must not ever block the main coroutine 2225 # we must not ever block the main coroutine
1825 local $Coro::idle = sub { 2226 local $Coro::idle = sub {
1826 Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d# 2227 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1827 (Coro::unblock_sub {
1828 Event::one_event; 2228 async { Event::one_event };
1829 })->();
1830 }; 2229 };
1831 2230
1832 cfg_load; 2231 cfg_load;
1833 db_load; 2232 db_load;
1834 load_extensions; 2233 load_extensions;
1835 Event::loop; 2234 Event::loop;
1836} 2235}
1837 2236
1838############################################################################# 2237#############################################################################
1839# initialisation 2238# initialisation and cleanup
2239
2240# install some emergency cleanup handlers
2241BEGIN {
2242 for my $signal (qw(INT HUP TERM)) {
2243 Event->signal (
2244 data => WF_AUTOCANCEL,
2245 signal => $signal,
2246 cb => sub {
2247 cf::cleanup "SIG$signal";
2248 },
2249 );
2250 }
2251}
2252
2253sub emergency_save() {
2254 my $freeze_guard = cf::freeze_mainloop;
2255
2256 warn "enter emergency perl save\n";
2257
2258 cf::sync_job {
2259 # use a peculiar iteration method to avoid tripping on perl
2260 # refcount bugs in for. also avoids problems with players
2261 # and maps saved/Destroyed asynchronously.
2262 warn "begin emergency player save\n";
2263 for my $login (keys %cf::PLAYER) {
2264 my $pl = $cf::PLAYER{$login} or next;
2265 $pl->valid or next;
2266 $pl->save;
2267 }
2268 warn "end emergency player save\n";
2269
2270 warn "begin emergency map save\n";
2271 for my $path (keys %cf::MAP) {
2272 my $map = $cf::MAP{$path} or next;
2273 $map->valid or next;
2274 $map->save;
2275 }
2276 warn "end emergency map save\n";
2277 };
2278
2279 warn "leave emergency perl save\n";
2280}
1840 2281
1841sub reload() { 2282sub reload() {
1842 # can/must only be called in main 2283 # can/must only be called in main
1843 if ($Coro::current != $Coro::main) { 2284 if ($Coro::current != $Coro::main) {
1844 warn "can only reload from main coroutine\n"; 2285 warn "can only reload from main coroutine\n";
1845 return; 2286 return;
1846 } 2287 }
1847 2288
1848 warn "reloading..."; 2289 warn "reloading...";
1849 2290
1850 local $FREEZE = 1; 2291 warn "freezing server";
2292 my $guard = freeze_mainloop;
1851 cf::emergency_save; 2293 cf::emergency_save;
2294
2295 warn "sync database to disk";
2296 cf::db_sync;
2297 IO::AIO::flush;
1852 2298
1853 eval { 2299 eval {
1854 # if anything goes wrong in here, we should simply crash as we already saved 2300 # if anything goes wrong in here, we should simply crash as we already saved
1855 2301
1856 # cancel all watchers 2302 warn "cancel all watchers";
1857 for (Event::all_watchers) { 2303 for (Event::all_watchers) {
1858 $_->cancel if $_->data & WF_AUTOCANCEL; 2304 $_->cancel if $_->data & WF_AUTOCANCEL;
1859 } 2305 }
1860 2306
1861 # cancel all extension coros 2307 warn "cancel all extension coros";
1862 $_->cancel for values %EXT_CORO; 2308 $_->cancel for values %EXT_CORO;
1863 %EXT_CORO = (); 2309 %EXT_CORO = ();
1864 2310
2311 warn "remove commands";
2312 %COMMAND = ();
2313
2314 warn "remove ext commands";
2315 %EXTCMD = ();
2316
1865 # unload all extensions 2317 warn "unload/nuke all extensions";
1866 for (@exts) { 2318 for my $pkg (@EXTS) {
1867 warn "unloading <$_>"; 2319 warn "... unloading $pkg";
1868 unload_extension $_; 2320
2321 if (my $cb = $pkg->can ("unload")) {
2322 eval {
2323 $cb->($pkg);
2324 1
2325 } or warn "$pkg unloaded, but with errors: $@";
1869 } 2326 }
1870 2327
2328 warn "... nuking $pkg";
2329 Symbol::delete_package $pkg;
2330 }
2331
1871 # unload all modules loaded from $LIBDIR 2332 warn "unload all perl modules loaded from $LIBDIR";
1872 while (my ($k, $v) = each %INC) { 2333 while (my ($k, $v) = each %INC) {
1873 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2334 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1874 2335
1875 warn "removing <$k>"; 2336 warn "removing <$k>";
1876 delete $INC{$k}; 2337 delete $INC{$k};
1883 } 2344 }
1884 2345
1885 Symbol::delete_package $k; 2346 Symbol::delete_package $k;
1886 } 2347 }
1887 2348
1888 # sync database to disk
1889 cf::db_sync;
1890 IO::AIO::flush;
1891
1892 # get rid of safe::, as good as possible 2349 warn "get rid of safe::, as good as possible";
1893 Symbol::delete_package "safe::$_" 2350 Symbol::delete_package "safe::$_"
1894 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2351 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1895 2352
1896 # remove register_script_function callbacks
1897 # TODO
1898
1899 # unload cf.pm "a bit" 2353 warn "unload cf.pm \"a bit\"";
1900 delete $INC{"cf.pm"}; 2354 delete $INC{"cf.pm"};
1901 2355
1902 # don't, removes xs symbols, too, 2356 # don't, removes xs symbols, too,
1903 # and global variables created in xs 2357 # and global variables created in xs
1904 #Symbol::delete_package __PACKAGE__; 2358 #Symbol::delete_package __PACKAGE__;
1905 2359
1906 # reload cf.pm
1907 warn "reloading cf.pm"; 2360 warn "reloading cf.pm";
1908 require cf; 2361 require cf;
1909 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2362 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1910 2363
1911 # load config and database again 2364 warn "load config and database again";
1912 cf::cfg_load; 2365 cf::cfg_load;
1913 cf::db_load; 2366 cf::db_load;
1914 2367
1915 # load extensions
1916 warn "load extensions"; 2368 warn "load extensions";
1917 cf::load_extensions; 2369 cf::load_extensions;
1918 2370
1919 # reattach attachments to objects 2371 warn "reattach attachments to objects/players";
1920 warn "reattach";
1921 _global_reattach; 2372 _global_reattach;
2373 warn "reattach attachments to maps";
2374 reattach $_ for values %MAP;
1922 }; 2375 };
1923 2376
1924 if ($@) { 2377 if ($@) {
1925 warn $@; 2378 warn $@;
1926 warn "error while reloading, exiting."; 2379 warn "error while reloading, exiting.";
1927 exit 1; 2380 exit 1;
1928 } 2381 }
1929 2382
1930 warn "reloaded successfully"; 2383 warn "reloaded";
1931}; 2384};
1932 2385
1933############################################################################# 2386#############################################################################
1934 2387
1935unless ($LINK_MAP) { 2388unless ($LINK_MAP) {
1942 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path"; 2395 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1943 $LINK_MAP->in_memory (MAP_IN_MEMORY); 2396 $LINK_MAP->in_memory (MAP_IN_MEMORY);
1944 2397
1945 # dirty hack because... archetypes are not yet loaded 2398 # dirty hack because... archetypes are not yet loaded
1946 Event->timer ( 2399 Event->timer (
1947 after => 2, 2400 after => 10,
1948 cb => sub { 2401 cb => sub {
1949 $_[0]->w->cancel; 2402 $_[0]->w->cancel;
1950 2403
1951 # provide some exits "home" 2404 # provide some exits "home"
1952 my $exit = cf::object::new "exit"; 2405 my $exit = cf::object::new "exit";
1971 $LINK_MAP->{deny_reset} = 1; 2424 $LINK_MAP->{deny_reset} = 1;
1972 2425
1973 $cf::MAP{$LINK_MAP->path} = $LINK_MAP; 2426 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1974} 2427}
1975 2428
1976register "<global>", __PACKAGE__;
1977
1978register_command "reload" => sub { 2429register_command "reload" => sub {
1979 my ($who, $arg) = @_; 2430 my ($who, $arg) = @_;
1980 2431
1981 if ($who->flag (FLAG_WIZ)) { 2432 if ($who->flag (FLAG_WIZ)) {
1982 $who->message ("start of reload."); 2433 $who->message ("start of reload.");
1991 reentrant => 0, 2442 reentrant => 0,
1992 prio => 0, 2443 prio => 0,
1993 at => $NEXT_TICK || $TICK, 2444 at => $NEXT_TICK || $TICK,
1994 data => WF_AUTOCANCEL, 2445 data => WF_AUTOCANCEL,
1995 cb => sub { 2446 cb => sub {
1996 unless ($FREEZE) {
1997 cf::server_tick; # one server iteration 2447 cf::server_tick; # one server iteration
1998 $RUNTIME += $TICK; 2448 $RUNTIME += $TICK;
1999 }
2000
2001 $NEXT_TICK += $TICK; 2449 $NEXT_TICK += $TICK;
2450
2451 $WAIT_FOR_TICK->broadcast;
2452 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2002 2453
2003 # if we are delayed by four ticks or more, skip them all 2454 # if we are delayed by four ticks or more, skip them all
2004 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2455 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2005 2456
2006 $TICK_WATCHER->at ($NEXT_TICK); 2457 $TICK_WATCHER->at ($NEXT_TICK);
2028 or warn "ERROR: unable to write runtime file: $!"; 2479 or warn "ERROR: unable to write runtime file: $!";
2029 })->(); 2480 })->();
2030 }, 2481 },
2031); 2482);
2032 2483
2484END { cf::emergency_save }
2485
20331 24861
2034 2487

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