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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.121 by root, Tue Jan 2 11:11:52 2007 UTC vs.
Revision 1.159 by root, Wed Jan 10 22:50:12 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 $json
165 194
181sub to_json($) { 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}
185 214
186=item my $guard = cf::guard { BLOCK }
187
188Run the given callback when the guard object gets destroyed (useful for
189coroutine cancellations).
190
191You can call C<< ->cancel >> on the guard object to stop the block from
192being executed.
193
194=cut
195
196sub guard(&) {
197 bless \(my $cb = $_[0]), cf::guard::;
198}
199
200sub cf::guard::cancel {
201 ${$_[0]} = sub { };
202}
203
204sub cf::guard::DESTROY {
205 ${$_[0]}->();
206}
207
208=item cf::lock_wait $string 215=item cf::lock_wait $string
209 216
210Wait until the given lock is available. See cf::lock_acquire. 217Wait until the given lock is available. See cf::lock_acquire.
211 218
212=item my $lock = cf::lock_acquire $string 219=item my $lock = cf::lock_acquire $string
213 220
214Wait until the given lock is available and then acquires it and returns 221Wait until the given lock is available and then acquires it and returns
215a guard object. If the guard object gets destroyed (goes out of scope, 222a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216for example when the coroutine gets canceled), the lock is automatically 223for example when the coroutine gets canceled), the lock is automatically
217returned. 224returned.
218 225
219Lock names should begin with a unique identifier (for example, find_map 226Lock names should begin with a unique identifier (for example, cf::map::find
220uses map_find and load_map uses map_load). 227uses map_find and cf::map::load uses map_load).
221 228
222=cut 229=cut
223 230
224our %LOCK; 231our %LOCK;
225 232
239 # wait, to be sure we are not locked 246 # wait, to be sure we are not locked
240 lock_wait $key; 247 lock_wait $key;
241 248
242 $LOCK{$key} = []; 249 $LOCK{$key} = [];
243 250
244 cf::guard { 251 Coro::guard {
245 # wake up all waiters, to be on the safe side 252 # wake up all waiters, to be on the safe side
246 $_->ready for @{ delete $LOCK{$key} }; 253 $_->ready for @{ delete $LOCK{$key} };
247 } 254 }
248} 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 $guard
263}
264
265=item cf::async { BLOCK }
266
267Currently the same as Coro::async_pool, meaning you cannot use
268C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
269thing you are allowed to do is call C<prio> on it.
270
271=cut
272
273BEGIN { *async = \&Coro::async_pool }
249 274
250=item cf::sync_job { BLOCK } 275=item cf::sync_job { BLOCK }
251 276
252The design of crossfire+ requires that the main coro ($Coro::main) is 277The design of crossfire+ requires that the main coro ($Coro::main) is
253always able to handle events or runnable, as crossfire+ is only partly 278always able to handle events or runnable, as crossfire+ is only partly
267 # this is the main coro, too bad, we have to block 292 # this is the main coro, too bad, we have to block
268 # till the operation succeeds, freezing the server :/ 293 # till the operation succeeds, freezing the server :/
269 294
270 # TODO: use suspend/resume instead 295 # TODO: use suspend/resume instead
271 # (but this is cancel-safe) 296 # (but this is cancel-safe)
272 local $FREEZE = 1; 297 my $freeze_guard = freeze_mainloop;
273 298
274 my $busy = 1; 299 my $busy = 1;
275 my @res; 300 my @res;
276 301
277 (Coro::async { 302 (async {
278 @res = eval { $job->() }; 303 @res = eval { $job->() };
279 warn $@ if $@; 304 warn $@ if $@;
280 undef $busy; 305 undef $busy;
281 })->prio (Coro::PRIO_MAX); 306 })->prio (Coro::PRIO_MAX);
282 307
283 while ($busy) { 308 while ($busy) {
284 Coro::cede_notself; 309 Coro::cede or Event::one_event;
285 Event::one_event unless Coro::nready;
286 } 310 }
287 311
288 wantarray ? @res : $res[0] 312 wantarray ? @res : $res[0]
289 } else { 313 } else {
290 # we are in another coroutine, how wonderful, everything just works 314 # we are in another coroutine, how wonderful, everything just works
291 315
292 $job->() 316 $job->()
293 } 317 }
294} 318}
295 319
296=item $coro = cf::coro { BLOCK } 320=item $coro = cf::async_ext { BLOCK }
297 321
298Creates and returns a new coro. This coro is automcatially being canceled 322Like async, but this coro is automatically being canceled when the
299when the extension calling this is being unloaded. 323extension calling this is being unloaded.
300 324
301=cut 325=cut
302 326
303sub coro(&) { 327sub async_ext(&) {
304 my $cb = shift; 328 my $cb = shift;
305 329
306 my $coro; $coro = async { 330 my $coro = &Coro::async ($cb);
307 eval {
308 $cb->();
309 };
310 warn $@ if $@;
311 };
312 331
313 $coro->on_destroy (sub { 332 $coro->on_destroy (sub {
314 delete $EXT_CORO{$coro+0}; 333 delete $EXT_CORO{$coro+0};
315 }); 334 });
316 $EXT_CORO{$coro+0} = $coro; 335 $EXT_CORO{$coro+0} = $coro;
345=cut 364=cut
346 365
347############################################################################# 366#############################################################################
348 367
349package cf::path; 368package cf::path;
369
370use overload
371 '""' => \&as_string;
372
373# used to convert map paths into valid unix filenames by repalcing / by ∕
374our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
350 375
351sub new { 376sub new {
352 my ($class, $path, $base) = @_; 377 my ($class, $path, $base) = @_;
353 378
354 $path = $path->as_string if ref $path; 379 $path = $path->as_string if ref $path;
360 # ?random/... random maps 385 # ?random/... random maps
361 # /! non-realised random map exit 386 # /! non-realised random map exit
362 # /... normal maps 387 # /... normal maps
363 # ~/... per-player maps without a specific player (DO NOT USE) 388 # ~/... per-player maps without a specific player (DO NOT USE)
364 # ~user/... per-player map of a specific user 389 # ~user/... per-player map of a specific user
390
391 $path =~ s/$PATH_SEP/\//go;
365 392
366 if ($path =~ /^{/) { 393 if ($path =~ /^{/) {
367 # fine as it is 394 # fine as it is
368 } elsif ($path =~ s{^\?random/}{}) { 395 } elsif ($path =~ s{^\?random/}{}) {
369 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data; 396 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
418# } 445# }
419} 446}
420 447
421# escape the /'s in the path 448# escape the /'s in the path
422sub _escaped_path { 449sub _escaped_path {
423 # ∕ is U+2215
424 (my $path = $_[0]{path}) =~ s/\///g; 450 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
425 $path 451 $path
426} 452}
427 453
428# the original (read-only) location 454# the original (read-only) location
429sub load_path { 455sub load_path {
917=cut 943=cut
918 944
919sub register_extcmd { 945sub register_extcmd {
920 my ($name, $cb) = @_; 946 my ($name, $cb) = @_;
921 947
922 my $caller = caller;
923 #warn "registering extcmd '$name' to '$caller'";
924
925 $EXTCMD{$name} = [$cb, $caller]; 948 $EXTCMD{$name} = $cb;
926} 949}
927 950
928cf::player->attach ( 951cf::player->attach (
929 on_command => sub { 952 on_command => sub {
930 my ($pl, $name, $params) = @_; 953 my ($pl, $name, $params) = @_;
943 966
944 my $msg = eval { from_json $buf }; 967 my $msg = eval { from_json $buf };
945 968
946 if (ref $msg) { 969 if (ref $msg) {
947 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 970 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948 if (my %reply = $cb->[0]->($pl, $msg)) { 971 if (my %reply = $cb->($pl, $msg)) {
949 $pl->ext_reply ($msg->{msgid}, %reply); 972 $pl->ext_reply ($msg->{msgid}, %reply);
950 } 973 }
951 } 974 }
952 } else { 975 } else {
953 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 976 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
955 978
956 cf::override; 979 cf::override;
957 }, 980 },
958); 981);
959 982
960sub register {
961 my ($base, $pkg) = @_;
962
963 #TODO
964}
965
966sub load_extension { 983sub load_extension {
967 my ($path) = @_; 984 my ($path) = @_;
968 985
969 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 986 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
970 my $base = $1; 987 my $base = $1;
985 1002
986 eval $source 1003 eval $source
987 or die $@ ? "$path: $@\n" 1004 or die $@ ? "$path: $@\n"
988 : "extension disabled.\n"; 1005 : "extension disabled.\n";
989 1006
990 push @exts, $pkg; 1007 push @EXTS, $pkg;
991 $ext_pkg{$base} = $pkg;
992
993# no strict 'refs';
994# @{"$pkg\::ISA"} = ext::;
995
996 register $base, $pkg;
997}
998
999sub unload_extension {
1000 my ($pkg) = @_;
1001
1002 warn "removing extension $pkg\n";
1003
1004 # remove hooks
1005 #TODO
1006# for my $idx (0 .. $#PLUGIN_EVENT) {
1007# delete $hook[$idx]{$pkg};
1008# }
1009
1010 # remove commands
1011 for my $name (keys %COMMAND) {
1012 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014 if (@cb) {
1015 $COMMAND{$name} = \@cb;
1016 } else {
1017 delete $COMMAND{$name};
1018 }
1019 }
1020
1021 # remove extcmds
1022 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023 delete $EXTCMD{$name};
1024 }
1025
1026 if (my $cb = $pkg->can ("unload")) {
1027 eval {
1028 $cb->($pkg);
1029 1
1030 } or warn "$pkg unloaded, but with errors: $@";
1031 }
1032
1033 Symbol::delete_package $pkg;
1034} 1008}
1035 1009
1036sub load_extensions { 1010sub load_extensions {
1037 for my $ext (<$LIBDIR/*.ext>) { 1011 for my $ext (<$LIBDIR/*.ext>) {
1038 next unless -r $ext; 1012 next unless -r $ext;
1056}; 1030};
1057 1031
1058cf::map->attach (prio => -10000, package => cf::mapsupport::); 1032cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059 1033
1060############################################################################# 1034#############################################################################
1061# load/save perl data associated with player->ob objects
1062
1063sub all_objects(@) {
1064 @_, map all_objects ($_->inv), @_
1065}
1066
1067# TODO: compatibility cruft, remove when no longer needed
1068cf::player->attach (
1069 on_load => sub {
1070 my ($pl, $path) = @_;
1071
1072 for my $o (all_objects $pl->ob) {
1073 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074 $o->set_ob_key_value ("_perl_data");
1075
1076 %$o = %{ Storable::thaw pack "H*", $value };
1077 }
1078 }
1079 },
1080);
1081
1082#############################################################################
1083 1035
1084=head2 CORE EXTENSIONS 1036=head2 CORE EXTENSIONS
1085 1037
1086Functions and methods that extend core crossfire objects. 1038Functions and methods that extend core crossfire objects.
1087 1039
1040=cut
1041
1042package cf::player;
1043
1044use Coro::AIO;
1045
1088=head3 cf::player 1046=head3 cf::player
1089 1047
1090=over 4 1048=over 4
1091 1049
1092=item cf::player::exists $login 1050=item cf::player::find $login
1093 1051
1094Returns true when the given account exists. 1052Returns the given player object, loading it if necessary (might block).
1095 1053
1096=cut 1054=cut
1097 1055
1098sub cf::player::exists($) { 1056sub playerdir($) {
1099 cf::player::find $_[0] 1057 cf::localdir
1100 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[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
1101} 1202}
1102 1203
1103=item $player->ext_reply ($msgid, $msgtype, %msg) 1204=item $player->ext_reply ($msgid, $msgtype, %msg)
1104 1205
1105Sends an ext reply to the player. 1206Sends an ext reply to the player.
1106 1207
1107=cut 1208=cut
1108 1209
1109sub cf::player::ext_reply($$$%) { 1210sub ext_reply($$$%) {
1110 my ($self, $id, %msg) = @_; 1211 my ($self, $id, %msg) = @_;
1111 1212
1112 $msg{msgid} = $id; 1213 $msg{msgid} = $id;
1113 1214
1114 $self->send ("ext " . to_json \%msg); 1215 $self->send ("ext " . cf::to_json \%msg);
1115} 1216}
1217
1218package cf;
1116 1219
1117=back 1220=back
1118 1221
1119 1222
1120=head3 cf::map 1223=head3 cf::map
1126package cf::map; 1229package cf::map;
1127 1230
1128use Fcntl; 1231use Fcntl;
1129use Coro::AIO; 1232use Coro::AIO;
1130 1233
1131our $MAX_RESET = 7200; 1234our $MAX_RESET = 3600;
1132our $DEFAULT_RESET = 3600; 1235our $DEFAULT_RESET = 3000;
1133 1236
1134sub generate_random_map { 1237sub generate_random_map {
1135 my ($path, $rmp) = @_; 1238 my ($path, $rmp) = @_;
1136 1239
1137 # mit "rum" bekleckern, nicht 1240 # mit "rum" bekleckern, nicht
1153# and all this just because we cannot iterate over 1256# and all this just because we cannot iterate over
1154# all maps in C++... 1257# all maps in C++...
1155sub change_all_map_light { 1258sub change_all_map_light {
1156 my ($change) = @_; 1259 my ($change) = @_;
1157 1260
1158 $_->change_map_light ($change) for values %cf::MAP; 1261 $_->change_map_light ($change)
1262 for grep $_->outdoor, values %cf::MAP;
1159} 1263}
1160 1264
1161sub try_load_header($) { 1265sub try_load_header($) {
1162 my ($path) = @_; 1266 my ($path) = @_;
1163 1267
1166 or return; 1270 or return;
1167 1271
1168 my $map = cf::map::new 1272 my $map = cf::map::new
1169 or return; 1273 or return;
1170 1274
1275 # for better error messages only, will be overwritten
1276 $map->path ($path);
1277
1171 $map->load_header ($path) 1278 $map->load_header ($path)
1172 or return; 1279 or return;
1173 1280
1174 $map->{load_path} = $path; 1281 $map->{load_path} = $path;
1175 1282
1176 $map 1283 $map
1177} 1284}
1178 1285
1286sub find;
1179sub find_map { 1287sub find {
1180 my ($path, $origin) = @_; 1288 my ($path, $origin) = @_;
1181 1289
1182 #warn "find_map<$path,$origin>\n";#d# 1290 #warn "find<$path,$origin>\n";#d#
1183 1291
1184 $path = new cf::path $path, $origin && $origin->path; 1292 $path = new cf::path $path, $origin && $origin->path;
1185 my $key = $path->as_string; 1293 my $key = $path->as_string;
1186 1294
1187 cf::lock_wait "map_find:$key"; 1295 cf::lock_wait "map_find:$key";
1190 my $guard = cf::lock_acquire "map_find:$key"; 1298 my $guard = cf::lock_acquire "map_find:$key";
1191 1299
1192 # do it the slow way 1300 # do it the slow way
1193 my $map = try_load_header $path->save_path; 1301 my $map = try_load_header $path->save_path;
1194 1302
1303 Coro::cede;
1304
1195 if ($map) { 1305 if ($map) {
1306 $map->last_access ((delete $map->{last_access})
1307 || $cf::RUNTIME); #d#
1196 # safety 1308 # safety
1197 $map->{instantiate_time} = $cf::RUNTIME 1309 $map->{instantiate_time} = $cf::RUNTIME
1198 if $map->{instantiate_time} > $cf::RUNTIME; 1310 if $map->{instantiate_time} > $cf::RUNTIME;
1199 } else { 1311 } else {
1200 if (my $rmp = $path->random_map_params) { 1312 if (my $rmp = $path->random_map_params) {
1205 1317
1206 $map or return; 1318 $map or return;
1207 1319
1208 $map->{load_original} = 1; 1320 $map->{load_original} = 1;
1209 $map->{instantiate_time} = $cf::RUNTIME; 1321 $map->{instantiate_time} = $cf::RUNTIME;
1322 $map->last_access ($cf::RUNTIME);
1210 $map->instantiate; 1323 $map->instantiate;
1211 1324
1212 # per-player maps become, after loading, normal maps 1325 # per-player maps become, after loading, normal maps
1213 $map->per_player (0) if $path->{user_rel}; 1326 $map->per_player (0) if $path->{user_rel};
1214 } 1327 }
1215 1328
1216 $map->path ($key); 1329 $map->path ($key);
1217 $map->{path} = $path; 1330 $map->{path} = $path;
1218 $map->{last_save} = $cf::RUNTIME; 1331 $map->{last_save} = $cf::RUNTIME;
1219 $map->last_access ($cf::RUNTIME); 1332
1333 Coro::cede;
1220 1334
1221 if ($map->should_reset) { 1335 if ($map->should_reset) {
1222 $map->reset; 1336 $map->reset;
1337 undef $guard;
1223 $map = find_map $path; 1338 $map = find $path
1339 or return;
1224 } 1340 }
1225 1341
1226 $cf::MAP{$key} = $map 1342 $cf::MAP{$key} = $map
1227 } 1343 }
1228} 1344}
1249 if (aio_open $uniq, O_RDONLY, 0) { 1365 if (aio_open $uniq, O_RDONLY, 0) {
1250 $self->clear_unique_items; 1366 $self->clear_unique_items;
1251 $self->load_objects ($uniq, 0); 1367 $self->load_objects ($uniq, 0);
1252 } 1368 }
1253 } 1369 }
1370
1371 Coro::cede;
1254 1372
1255 # now do the right thing for maps 1373 # now do the right thing for maps
1256 $self->link_multipart_objects; 1374 $self->link_multipart_objects;
1257 1375
1258 if ($self->{path}->is_style_map) { 1376 if ($self->{path}->is_style_map) {
1266 $self->difficulty ($self->estimate_difficulty) 1384 $self->difficulty ($self->estimate_difficulty)
1267 unless $self->difficulty; 1385 unless $self->difficulty;
1268 $self->activate; 1386 $self->activate;
1269 } 1387 }
1270 1388
1389 Coro::cede;
1390
1271 $self->in_memory (cf::MAP_IN_MEMORY); 1391 $self->in_memory (cf::MAP_IN_MEMORY);
1272} 1392}
1273 1393
1274sub load_map_sync { 1394# find and load all maps in the 3x3 area around a map
1395sub load_diag {
1396 my ($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 $neigh->load;
1415 }
1416}
1417
1418sub find_sync {
1275 my ($path, $origin) = @_; 1419 my ($path, $origin) = @_;
1276 1420
1277 #warn "load_map_sync<$path, $origin>\n";#d# 1421 cf::sync_job { find $path, $origin }
1422}
1278 1423
1279 cf::sync_job { 1424sub do_load_sync {
1280 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
1281 or return; 1435 or next;
1436 my $path = delete $MAP_PREFETCH{$key};
1437
1438 my $map = find $path
1439 or next;
1282 $map->load; 1440 $map->load;
1283 $map 1441 }
1442 Coro::schedule;
1284 } 1443 }
1444};
1445
1446sub find_async {
1447 my ($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 $MAP_PREFETCHER->ready;
1458
1459 ()
1285} 1460}
1286 1461
1287sub save { 1462sub save {
1288 my ($self) = @_; 1463 my ($self) = @_;
1289 1464
1465 my $lock = cf::lock_acquire "map_data:" . $self->path;
1466
1290 $self->{last_save} = $cf::RUNTIME; 1467 $self->{last_save} = $cf::RUNTIME;
1291 1468
1292 return unless $self->dirty; 1469 return unless $self->dirty;
1293 1470
1294 my $save = $self->{path}->save_path; utf8::encode $save; 1471 my $save = $self->{path}->save_path; utf8::encode $save;
1295 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1472 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1296 1473
1297 $self->{load_path} = $save; 1474 $self->{load_path} = $save;
1298 1475
1299 return if $self->{deny_save}; 1476 return if $self->{deny_save};
1477
1478 local $self->{last_access} = $self->last_access;#d#
1479
1480 cf::async {
1481 $_->contr->save for $self->players;
1482 };
1300 1483
1301 if ($uniq) { 1484 if ($uniq) {
1302 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1485 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1303 $self->save_objects ($uniq, cf::IO_UNIQUES); 1486 $self->save_objects ($uniq, cf::IO_UNIQUES);
1304 } else { 1487 } else {
1307} 1490}
1308 1491
1309sub swap_out { 1492sub swap_out {
1310 my ($self) = @_; 1493 my ($self) = @_;
1311 1494
1495 # save first because save cedes
1496 $self->save;
1497
1498 my $lock = cf::lock_acquire "map_data:" . $self->path;
1499
1312 return if $self->players; 1500 return if $self->players;
1313 return if $self->in_memory != cf::MAP_IN_MEMORY; 1501 return if $self->in_memory != cf::MAP_IN_MEMORY;
1314 return if $self->{deny_save}; 1502 return if $self->{deny_save};
1315 1503
1316 $self->save;
1317 $self->clear; 1504 $self->clear;
1318 $self->in_memory (cf::MAP_SWAPPED); 1505 $self->in_memory (cf::MAP_SWAPPED);
1319} 1506}
1320 1507
1321sub reset_at { 1508sub reset_at {
1359} 1546}
1360 1547
1361sub reset { 1548sub reset {
1362 my ($self) = @_; 1549 my ($self) = @_;
1363 1550
1551 my $lock = cf::lock_acquire "map_data:" . $self->path;
1552
1364 return if $self->players; 1553 return if $self->players;
1365 return if $self->{path}{user_rel};#d# 1554 return if $self->{path}{user_rel};#d#
1366 1555
1367 warn "resetting map ", $self->path;#d# 1556 warn "resetting map ", $self->path;#d#
1368 1557
1387 1576
1388sub customise_for { 1577sub customise_for {
1389 my ($map, $ob) = @_; 1578 my ($map, $ob) = @_;
1390 1579
1391 if ($map->per_player) { 1580 if ($map->per_player) {
1392 return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path}; 1581 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1393 } 1582 }
1394 1583
1395 $map 1584 $map
1396} 1585}
1397 1586
1398sub emergency_save { 1587=item cf::map::unique_maps
1399 local $cf::FREEZE = 1;
1400 1588
1401 warn "enter emergency map save\n"; 1589Returns an arrayref of cf::path's of all shared maps that have
1590instantiated unique items. May block.
1402 1591
1403 cf::sync_job { 1592=cut
1404 warn "begin emergency map save\n"; 1593
1405 $_->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 $_;
1406 }; 1606 }
1407 1607
1408 warn "end emergency map save\n"; 1608 \@paths
1409} 1609}
1410 1610
1411package cf; 1611package cf;
1412 1612
1413=back 1613=back
1414 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
1415 1641
1416=head3 cf::object::player 1642=head3 cf::object::player
1417 1643
1418=over 4 1644=over 4
1419 1645
1494 my $link_pos = delete $self->{_link_pos}; 1720 my $link_pos = delete $self->{_link_pos};
1495 1721
1496 unless ($map) { 1722 unless ($map) {
1497 # restore original map position 1723 # restore original map position
1498 ($map, $x, $y) = @{ $link_pos || [] }; 1724 ($map, $x, $y) = @{ $link_pos || [] };
1499 $map = cf::map::find_map $map; 1725 $map = cf::map::find $map;
1500 1726
1501 unless ($map) { 1727 unless ($map) {
1502 ($map, $x, $y) = @$EMERGENCY_POSITION; 1728 ($map, $x, $y) = @$EMERGENCY_POSITION;
1503 $map = cf::map::find_map $map 1729 $map = cf::map::find $map
1504 or die "FATAL: cannot load emergency map\n"; 1730 or die "FATAL: cannot load emergency map\n";
1505 } 1731 }
1506 } 1732 }
1507 1733
1508 ($x, $y) = (-1, -1) 1734 ($x, $y) = (-1, -1)
1511 # use -1 or undef as default coordinates, not 0, 0 1737 # use -1 or undef as default coordinates, not 0, 0
1512 ($x, $y) = ($map->enter_x, $map->enter_y) 1738 ($x, $y) = ($map->enter_x, $map->enter_y)
1513 if $x <=0 && $y <= 0; 1739 if $x <=0 && $y <= 0;
1514 1740
1515 $map->load; 1741 $map->load;
1742 $map->load_diag;
1516 1743
1744 return unless $self->contr->active;
1517 $self->activate_recursive; 1745 $self->activate_recursive;
1518 $self->enter_map ($map, $x, $y); 1746 $self->enter_map ($map, $x, $y);
1519} 1747}
1520 1748
1521cf::player->attach ( 1749cf::player->attach (
1534 1762
1535 # try to abort aborted map switching on player login :) 1763 # try to abort aborted map switching on player login :)
1536 # should happen only on crashes 1764 # should happen only on crashes
1537 if ($pl->ob->{_link_pos}) { 1765 if ($pl->ob->{_link_pos}) {
1538 $pl->ob->enter_link; 1766 $pl->ob->enter_link;
1539 Coro::async { 1767 (async {
1540 # we need this sleep as the login has a concurrent enter_exit running 1768 # we need this sleep as the login has a concurrent enter_exit running
1541 # and this sleep increases chances of the player not ending up in scorn 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);
1542 Coro::Timer::sleep 1; 1774 Coro::Timer::sleep 1;
1543 $pl->ob->leave_link; 1775 $pl->ob->leave_link;
1544 }; 1776 })->prio (2);
1545 } 1777 }
1546 }, 1778 },
1547); 1779);
1548 1780
1549=item $player_object->goto_map ($path, $x, $y) 1781=item $player_object->goto ($path, $x, $y)
1550 1782
1551=cut 1783=cut
1552 1784
1553sub cf::object::player::goto_map { 1785sub cf::object::player::goto {
1554 my ($self, $path, $x, $y) = @_; 1786 my ($self, $path, $x, $y) = @_;
1555 1787
1788 $path = new cf::path $path;
1789
1556 $self->enter_link; 1790 $self->enter_link;
1557 1791
1558 (Coro::async { 1792 (async {
1559 $path = new cf::path $path;
1560
1561 my $map = cf::map::find_map $path->as_string; 1793 my $map = cf::map::find $path->as_string;
1562 $map = $map->customise_for ($self) if $map; 1794 $map = $map->customise_for ($self) if $map;
1563 1795
1564# warn "entering ", $map->path, " at ($x, $y)\n" 1796# warn "entering ", $map->path, " at ($x, $y)\n"
1565# if $map; 1797# if $map;
1566 1798
1567 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1799 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1568 1800
1569 $self->leave_link ($map, $x, $y); 1801 $self->leave_link ($map, $x, $y);
1570 })->prio (1); 1802 })->prio (1);
1571} 1803}
1572 1804
1625 1857
1626 return unless $self->type == cf::PLAYER; 1858 return unless $self->type == cf::PLAYER;
1627 1859
1628 $self->enter_link; 1860 $self->enter_link;
1629 1861
1630 (Coro::async { 1862 (async {
1863 $self->deactivate_recursive; # just to be sure
1631 unless (eval { 1864 unless (eval {
1632
1633 prepare_random_map $exit 1865 prepare_random_map $exit
1634 if $exit->slaying eq "/!"; 1866 if $exit->slaying eq "/!";
1635 1867
1636 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;
1637 $self->goto_map ($path, $exit->stats->hp, $exit->stats->sp); 1869 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1638 1870
1639 1; 1871 1;
1640 }) { 1872 }) {
1641 $self->message ("Something went wrong deep within the crossfire server. " 1873 $self->message ("Something went wrong deep within the crossfire server. "
1642 . "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. "
1643 . "Please report this to the dungeon master", 1875 . "Please report this to the dungeon master!",
1644 cf::NDI_UNIQUE | cf::NDI_RED); 1876 cf::NDI_UNIQUE | cf::NDI_RED);
1645 1877
1646 warn "ERROR in enter_exit: $@"; 1878 warn "ERROR in enter_exit: $@";
1647 $self->leave_link; 1879 $self->leave_link;
1648 } 1880 }
1699 on_reply => sub { 1931 on_reply => sub {
1700 my ($ns, $msg) = @_; 1932 my ($ns, $msg) = @_;
1701 1933
1702 # this weird shuffling is so that direct followup queries 1934 # this weird shuffling is so that direct followup queries
1703 # get handled first 1935 # get handled first
1704 my $queue = delete $ns->{query_queue}; 1936 my $queue = delete $ns->{query_queue}
1937 or return; # be conservative, not sure how that can happen, but we saw a crash here
1705 1938
1706 (shift @$queue)->[1]->($msg); 1939 (shift @$queue)->[1]->($msg);
1707 1940
1708 push @{ $ns->{query_queue} }, @$queue; 1941 push @{ $ns->{query_queue} }, @$queue;
1709 1942
1715 } 1948 }
1716 } 1949 }
1717 }, 1950 },
1718); 1951);
1719 1952
1720=item $client->coro (\&cb) 1953=item $client->async (\&cb)
1721 1954
1722Create a new coroutine, running the specified callback. The coroutine will 1955Create a new coroutine, running the specified callback. The coroutine will
1723be automatically cancelled when the client gets destroyed (e.g. on logout, 1956be automatically cancelled when the client gets destroyed (e.g. on logout,
1724or loss of connection). 1957or loss of connection).
1725 1958
1726=cut 1959=cut
1727 1960
1728sub cf::client::coro { 1961sub cf::client::async {
1729 my ($self, $cb) = @_; 1962 my ($self, $cb) = @_;
1730 1963
1731 my $coro; $coro = async { 1964 my $coro = &Coro::async ($cb);
1732 eval {
1733 $cb->();
1734 };
1735 warn $@ if $@;
1736 };
1737 1965
1738 $coro->on_destroy (sub { 1966 $coro->on_destroy (sub {
1739 delete $self->{_coro}{$coro+0}; 1967 delete $self->{_coro}{$coro+0};
1740 }); 1968 });
1741 1969
1976 open my $fh, "<:utf8", cf::confdir . "/config" 2204 open my $fh, "<:utf8", cf::confdir . "/config"
1977 or return; 2205 or return;
1978 2206
1979 local $/; 2207 local $/;
1980 *CFG = YAML::Syck::Load <$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 }
1981} 2222}
1982 2223
1983sub main { 2224sub main {
1984 # we must not ever block the main coroutine 2225 # we must not ever block the main coroutine
1985 local $Coro::idle = sub { 2226 local $Coro::idle = sub {
1986 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2227 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1987 (Coro::unblock_sub {
1988 Event::one_event; 2228 async { Event::one_event };
1989 })->();
1990 }; 2229 };
1991 2230
1992 cfg_load; 2231 cfg_load;
1993 db_load; 2232 db_load;
1994 load_extensions; 2233 load_extensions;
1995 Event::loop; 2234 Event::loop;
1996} 2235}
1997 2236
1998############################################################################# 2237#############################################################################
1999# 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 $map->save;
2275 }
2276 warn "end emergency map save\n";
2277 };
2278
2279 warn "leave emergency perl save\n";
2280}
2000 2281
2001sub reload() { 2282sub reload() {
2002 # can/must only be called in main 2283 # can/must only be called in main
2003 if ($Coro::current != $Coro::main) { 2284 if ($Coro::current != $Coro::main) {
2004 warn "can only reload from main coroutine\n"; 2285 warn "can only reload from main coroutine\n";
2005 return; 2286 return;
2006 } 2287 }
2007 2288
2008 warn "reloading..."; 2289 warn "reloading...";
2009 2290
2010 local $FREEZE = 1; 2291 warn "freezing server";
2292 my $guard = freeze_mainloop;
2011 cf::emergency_save; 2293 cf::emergency_save;
2294
2295 warn "sync database to disk";
2296 cf::db_sync;
2297 IO::AIO::flush;
2012 2298
2013 eval { 2299 eval {
2014 # 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
2015 2301
2016 # cancel all watchers 2302 warn "cancel all watchers";
2017 for (Event::all_watchers) { 2303 for (Event::all_watchers) {
2018 $_->cancel if $_->data & WF_AUTOCANCEL; 2304 $_->cancel if $_->data & WF_AUTOCANCEL;
2019 } 2305 }
2020 2306
2021 # cancel all extension coros 2307 warn "cancel all extension coros";
2022 $_->cancel for values %EXT_CORO; 2308 $_->cancel for values %EXT_CORO;
2023 %EXT_CORO = (); 2309 %EXT_CORO = ();
2024 2310
2311 warn "remove commands";
2312 %COMMAND = ();
2313
2314 warn "remove ext commands";
2315 %EXTCMD = ();
2316
2025 # unload all extensions 2317 warn "unload/nuke all extensions";
2026 for (@exts) { 2318 for my $pkg (@EXTS) {
2027 warn "unloading <$_>"; 2319 warn "unloading <$pkg>";
2028 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: $@";
2029 } 2326 }
2030 2327
2328 Symbol::delete_package $pkg;
2329 }
2330
2031 # unload all modules loaded from $LIBDIR 2331 warn "unload all perl modules loaded from $LIBDIR";
2032 while (my ($k, $v) = each %INC) { 2332 while (my ($k, $v) = each %INC) {
2033 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2333 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2034 2334
2035 warn "removing <$k>"; 2335 warn "removing <$k>";
2036 delete $INC{$k}; 2336 delete $INC{$k};
2043 } 2343 }
2044 2344
2045 Symbol::delete_package $k; 2345 Symbol::delete_package $k;
2046 } 2346 }
2047 2347
2048 # sync database to disk
2049 cf::db_sync;
2050 IO::AIO::flush;
2051
2052 # get rid of safe::, as good as possible 2348 warn "get rid of safe::, as good as possible";
2053 Symbol::delete_package "safe::$_" 2349 Symbol::delete_package "safe::$_"
2054 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2350 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2055 2351
2056 # remove register_script_function callbacks
2057 # TODO
2058
2059 # unload cf.pm "a bit" 2352 warn "unload cf.pm \"a bit\"";
2060 delete $INC{"cf.pm"}; 2353 delete $INC{"cf.pm"};
2061 2354
2062 # don't, removes xs symbols, too, 2355 # don't, removes xs symbols, too,
2063 # and global variables created in xs 2356 # and global variables created in xs
2064 #Symbol::delete_package __PACKAGE__; 2357 #Symbol::delete_package __PACKAGE__;
2065 2358
2066 # reload cf.pm
2067 warn "reloading cf.pm"; 2359 warn "reloading cf.pm";
2068 require cf; 2360 require cf;
2069 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2361 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2070 2362
2071 # load config and database again 2363 warn "load config and database again";
2072 cf::cfg_load; 2364 cf::cfg_load;
2073 cf::db_load; 2365 cf::db_load;
2074 2366
2075 # load extensions
2076 warn "load extensions"; 2367 warn "load extensions";
2077 cf::load_extensions; 2368 cf::load_extensions;
2078 2369
2079 # reattach attachments to objects 2370 warn "reattach attachments to objects/players";
2080 warn "reattach";
2081 _global_reattach; 2371 _global_reattach;
2372 warn "reattach attachments to maps";
2373 reattach $_ for values %MAP;
2082 }; 2374 };
2083 2375
2084 if ($@) { 2376 if ($@) {
2085 warn $@; 2377 warn $@;
2086 warn "error while reloading, exiting."; 2378 warn "error while reloading, exiting.";
2087 exit 1; 2379 exit 1;
2088 } 2380 }
2089 2381
2090 warn "reloaded successfully"; 2382 warn "reloaded";
2091}; 2383};
2092 2384
2093############################################################################# 2385#############################################################################
2094 2386
2095unless ($LINK_MAP) { 2387unless ($LINK_MAP) {
2102 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path"; 2394 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2103 $LINK_MAP->in_memory (MAP_IN_MEMORY); 2395 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2104 2396
2105 # dirty hack because... archetypes are not yet loaded 2397 # dirty hack because... archetypes are not yet loaded
2106 Event->timer ( 2398 Event->timer (
2107 after => 2, 2399 after => 10,
2108 cb => sub { 2400 cb => sub {
2109 $_[0]->w->cancel; 2401 $_[0]->w->cancel;
2110 2402
2111 # provide some exits "home" 2403 # provide some exits "home"
2112 my $exit = cf::object::new "exit"; 2404 my $exit = cf::object::new "exit";
2131 $LINK_MAP->{deny_reset} = 1; 2423 $LINK_MAP->{deny_reset} = 1;
2132 2424
2133 $cf::MAP{$LINK_MAP->path} = $LINK_MAP; 2425 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2134} 2426}
2135 2427
2136register "<global>", __PACKAGE__;
2137
2138register_command "reload" => sub { 2428register_command "reload" => sub {
2139 my ($who, $arg) = @_; 2429 my ($who, $arg) = @_;
2140 2430
2141 if ($who->flag (FLAG_WIZ)) { 2431 if ($who->flag (FLAG_WIZ)) {
2142 $who->message ("start of reload."); 2432 $who->message ("start of reload.");
2151 reentrant => 0, 2441 reentrant => 0,
2152 prio => 0, 2442 prio => 0,
2153 at => $NEXT_TICK || $TICK, 2443 at => $NEXT_TICK || $TICK,
2154 data => WF_AUTOCANCEL, 2444 data => WF_AUTOCANCEL,
2155 cb => sub { 2445 cb => sub {
2156 unless ($FREEZE) {
2157 cf::server_tick; # one server iteration 2446 cf::server_tick; # one server iteration
2158 $RUNTIME += $TICK; 2447 $RUNTIME += $TICK;
2159 }
2160
2161 $NEXT_TICK += $TICK; 2448 $NEXT_TICK += $TICK;
2449
2450 $WAIT_FOR_TICK->broadcast;
2451 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2162 2452
2163 # if we are delayed by four ticks or more, skip them all 2453 # if we are delayed by four ticks or more, skip them all
2164 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2454 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2165 2455
2166 $TICK_WATCHER->at ($NEXT_TICK); 2456 $TICK_WATCHER->at ($NEXT_TICK);
2188 or warn "ERROR: unable to write runtime file: $!"; 2478 or warn "ERROR: unable to write runtime file: $!";
2189 })->(); 2479 })->();
2190 }, 2480 },
2191); 2481);
2192 2482
2483END { cf::emergency_save }
2484
21931 24851
2194 2486

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