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Revision 1.434 by root, Thu May 29 03:27:37 2008 UTC vs.
Revision 1.480 by root, Thu Oct 8 05:09:43 2009 UTC

19# The authors can be reached via e-mail to <support@deliantra.net> 19# The authors can be reached via e-mail to <support@deliantra.net>
20# 20#
21 21
22package cf; 22package cf;
23 23
24use 5.10.0;
24use utf8; 25use utf8;
25use strict; 26use strict qw(vars subs);
26 27
27use Symbol; 28use Symbol;
28use List::Util; 29use List::Util;
29use Socket; 30use Socket;
30use EV; 31use EV;
31use Opcode; 32use Opcode;
32use Safe; 33use Safe;
33use Safe::Hole; 34use Safe::Hole;
34use Storable (); 35use Storable ();
35 36
37use Guard ();
36use Coro (); 38use Coro ();
37use Coro::State; 39use Coro::State;
38use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
39use Coro::AnyEvent; 42use Coro::AnyEvent;
40use Coro::Timer; 43use Coro::Timer;
41use Coro::Signal; 44use Coro::Signal;
42use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
43use Coro::AnyEvent; 47use Coro::AnyEvent;
44use Coro::AIO; 48use Coro::AIO;
45use Coro::BDB; 49use Coro::BDB 1.6;
46use Coro::Storable; 50use Coro::Storable;
47use Coro::Util (); 51use Coro::Util ();
48 52
49use JSON::XS 2.01 (); 53use JSON::XS 2.01 ();
50use BDB (); 54use BDB ();
57use Compress::LZF; 61use Compress::LZF;
58use Digest::MD5 (); 62use Digest::MD5 ();
59 63
60AnyEvent::detect; 64AnyEvent::detect;
61 65
62IO::AIO::max_poll_reqs 1;#d#
63
64# configure various modules to our taste 66# configure various modules to our taste
65# 67#
66$Storable::canonical = 1; # reduce rsync transfers 68$Storable::canonical = 1; # reduce rsync transfers
67Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 69Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
70
71$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
68Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69 76
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 77# strictly for debugging
78$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
71 79
72sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 80sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
73 81
74our %COMMAND = (); 82our %COMMAND = ();
75our %COMMAND_TIME = (); 83our %COMMAND_TIME = ();
78our %EXTCMD = (); 86our %EXTCMD = ();
79our %EXTICMD = (); 87our %EXTICMD = ();
80our %EXT_CORO = (); # coroutines bound to extensions 88our %EXT_CORO = (); # coroutines bound to extensions
81our %EXT_MAP = (); # pluggable maps 89our %EXT_MAP = (); # pluggable maps
82 90
83our $RELOAD; # number of reloads so far 91our $RELOAD; # number of reloads so far, non-zero while in reload
84our @EVENT; 92our @EVENT;
93our @REFLECT; # set by XS
94our %REFLECT; # set by us
85 95
86our $CONFDIR = confdir; 96our $CONFDIR = confdir;
87our $DATADIR = datadir; 97our $DATADIR = datadir;
88our $LIBDIR = "$DATADIR/ext"; 98our $LIBDIR = "$DATADIR/ext";
89our $PODDIR = "$DATADIR/pod"; 99our $PODDIR = "$DATADIR/pod";
90our $MAPDIR = "$DATADIR/" . mapdir; 100our $MAPDIR = "$DATADIR/" . mapdir;
91our $LOCALDIR = localdir; 101our $LOCALDIR = localdir;
92our $TMPDIR = "$LOCALDIR/" . tmpdir; 102our $TMPDIR = "$LOCALDIR/" . tmpdir;
93our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 103our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94our $PLAYERDIR = "$LOCALDIR/" . playerdir; 104our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95our $RANDOMDIR = "$LOCALDIR/random"; 105our $RANDOMDIR = "$LOCALDIR/random";
96our $BDBDIR = "$LOCALDIR/db"; 106our $BDBDIR = "$LOCALDIR/db";
107our $PIDFILE = "$LOCALDIR/pid";
108our $RUNTIMEFILE = "$LOCALDIR/runtime";
109
97our %RESOURCE; 110our %RESOURCE;
98 111
99our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 112our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
100our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 113our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
101our $NEXT_TICK; 114our $NEXT_TICK;
102our $USE_FSYNC = 1; # use fsync to write maps - default off 115our $USE_FSYNC = 1; # use fsync to write maps - default on
103 116
104our $BDB_DEADLOCK_WATCHER; 117our $BDB_DEADLOCK_WATCHER;
105our $BDB_CHECKPOINT_WATCHER; 118our $BDB_CHECKPOINT_WATCHER;
106our $BDB_TRICKLE_WATCHER; 119our $BDB_TRICKLE_WATCHER;
107our $DB_ENV; 120our $DB_ENV;
108 121
122our @EXTRA_MODULES = qw(pod mapscript);
123
109our %CFG; 124our %CFG;
110 125
111our $UPTIME; $UPTIME ||= time; 126our $UPTIME; $UPTIME ||= time;
112our $RUNTIME; 127our $RUNTIME;
113our $NOW; 128our $NOW;
122our $LOAD; # a number between 0 (idle) and 1 (too many objects) 137our $LOAD; # a number between 0 (idle) and 1 (too many objects)
123our $LOADAVG; # same thing, but with alpha-smoothing 138our $LOADAVG; # same thing, but with alpha-smoothing
124our $JITTER; # average jitter 139our $JITTER; # average jitter
125our $TICK_START; # for load detecting purposes 140our $TICK_START; # for load detecting purposes
126 141
142our @POST_INIT;
143
144our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
145our $REALLY_UNLOOP; # never set to true, please :)
146
127binmode STDOUT; 147binmode STDOUT;
128binmode STDERR; 148binmode STDERR;
129 149
130# read virtual server time, if available 150# read virtual server time, if available
131unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 151unless ($RUNTIME || !-e $RUNTIMEFILE) {
132 open my $fh, "<", "$LOCALDIR/runtime" 152 open my $fh, "<", $RUNTIMEFILE
133 or die "unable to read runtime file: $!"; 153 or die "unable to read $RUNTIMEFILE file: $!";
134 $RUNTIME = <$fh> + 0.; 154 $RUNTIME = <$fh> + 0.;
135} 155}
156
157eval "sub TICK() { $TICK } 1" or die;
136 158
137mkdir $_ 159mkdir $_
138 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 160 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
139 161
140our $EMERGENCY_POSITION; 162our $EMERGENCY_POSITION;
141 163
142sub cf::map::normalise; 164sub cf::map::normalise;
165
166#############################################################################
167
168%REFLECT = ();
169for (@REFLECT) {
170 my $reflect = JSON::XS::decode_json $_;
171 $REFLECT{$reflect->{class}} = $reflect;
172}
173
174# this is decidedly evil
175$REFLECT{object}{flags} = [grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"}];
143 176
144############################################################################# 177#############################################################################
145 178
146=head2 GLOBAL VARIABLES 179=head2 GLOBAL VARIABLES
147 180
198 231
199This array contains the results of the last C<invoke ()> call. When 232This array contains the results of the last C<invoke ()> call. When
200C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of 233C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
201that call. 234that call.
202 235
236=item %cf::REFLECT
237
238Contains, for each (C++) class name, a hash reference with information
239about object members (methods, scalars, arrays and flags) and other
240metadata, which is useful for introspection.
241
203=back 242=back
204 243
205=cut 244=cut
206 245
207BEGIN { 246$Coro::State::WARNHOOK = sub {
208 *CORE::GLOBAL::warn = sub {
209 my $msg = join "", @_; 247 my $msg = join "", @_;
210 248
211 $msg .= "\n" 249 $msg .= "\n"
212 unless $msg =~ /\n$/; 250 unless $msg =~ /\n$/;
213 251
214 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 252 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
215 253
216 LOG llevError, $msg; 254 LOG llevError, $msg;
217 }; 255};
218}
219 256
220$Coro::State::DIEHOOK = sub { 257$Coro::State::DIEHOOK = sub {
221 return unless $^S eq 0; # "eq", not "==" 258 return unless $^S eq 0; # "eq", not "=="
259
260 warn Carp::longmess $_[0];
222 261
223 if ($Coro::current == $Coro::main) {#d# 262 if ($Coro::current == $Coro::main) {#d#
224 warn "DIEHOOK called in main context, Coro bug?\n";#d# 263 warn "DIEHOOK called in main context, Coro bug?\n";#d#
225 return;#d# 264 return;#d#
226 }#d# 265 }#d#
227 266
228 # kill coroutine otherwise 267 # kill coroutine otherwise
229 warn Carp::longmess $_[0];
230 Coro::terminate 268 Coro::terminate
231}; 269};
232
233$SIG{__DIE__} = sub { }; #d#?
234 270
235@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 271@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
236@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 272@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
237@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 273@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
238@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 274@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
245for my $pkg (qw( 281for my $pkg (qw(
246 cf::global cf::attachable 282 cf::global cf::attachable
247 cf::object cf::object::player 283 cf::object cf::object::player
248 cf::client cf::player 284 cf::client cf::player
249 cf::arch cf::living 285 cf::arch cf::living
286 cf::map cf::mapspace
250 cf::map cf::party cf::region 287 cf::party cf::region
251)) { 288)) {
252 no strict 'refs';
253 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 289 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
254} 290}
255 291
256$EV::DIED = sub { 292$EV::DIED = sub {
257 warn "error in event callback: @_"; 293 warn "error in event callback: @_";
299our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 335our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
300 336
301sub encode_json($) { $json_coder->encode ($_[0]) } 337sub encode_json($) { $json_coder->encode ($_[0]) }
302sub decode_json($) { $json_coder->decode ($_[0]) } 338sub decode_json($) { $json_coder->decode ($_[0]) }
303 339
340=item cf::post_init { BLOCK }
341
342Execute the given codeblock, I<after> all extensions have been (re-)loaded,
343but I<before> the server starts ticking again.
344
345The cdoeblock will have a single boolean argument to indicate whether this
346is a reload or not.
347
348=cut
349
350sub post_init(&) {
351 push @POST_INIT, shift;
352}
353
304=item cf::lock_wait $string 354=item cf::lock_wait $string
305 355
306Wait until the given lock is available. See cf::lock_acquire. 356Wait until the given lock is available. See cf::lock_acquire.
307 357
308=item my $lock = cf::lock_acquire $string 358=item my $lock = cf::lock_acquire $string
309 359
310Wait until the given lock is available and then acquires it and returns 360Wait until the given lock is available and then acquires it and returns
311a Coro::guard object. If the guard object gets destroyed (goes out of scope, 361a L<Guard> object. If the guard object gets destroyed (goes out of scope,
312for example when the coroutine gets canceled), the lock is automatically 362for example when the coroutine gets canceled), the lock is automatically
313returned. 363returned.
314 364
315Locks are *not* recursive, locking from the same coro twice results in a 365Locks are *not* recursive, locking from the same coro twice results in a
316deadlocked coro. 366deadlocked coro.
322 372
323Return true if the lock is currently active, i.e. somebody has locked it. 373Return true if the lock is currently active, i.e. somebody has locked it.
324 374
325=cut 375=cut
326 376
327our %LOCK; 377our $LOCKS = new Coro::SemaphoreSet;
328our %LOCKER;#d#
329 378
330sub lock_wait($) { 379sub lock_wait($) {
331 my ($key) = @_; 380 $LOCKS->wait ($_[0]);
332
333 if ($LOCKER{$key} == $Coro::current) {#d#
334 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335 return;#d#
336 }#d#
337
338 # wait for lock, if any
339 while ($LOCK{$key}) {
340 push @{ $LOCK{$key} }, $Coro::current;
341 Coro::schedule;
342 }
343} 381}
344 382
345sub lock_acquire($) { 383sub lock_acquire($) {
346 my ($key) = @_; 384 $LOCKS->guard ($_[0])
347
348 # wait, to be sure we are not locked
349 lock_wait $key;
350
351 $LOCK{$key} = [];
352 $LOCKER{$key} = $Coro::current;#d#
353
354 Coro::guard {
355 delete $LOCKER{$key};#d#
356 # wake up all waiters, to be on the safe side
357 $_->ready for @{ delete $LOCK{$key} };
358 }
359} 385}
360 386
361sub lock_active($) { 387sub lock_active($) {
362 my ($key) = @_; 388 $LOCKS->count ($_[0]) < 1
363
364 ! ! $LOCK{$key}
365} 389}
366 390
367sub freeze_mainloop { 391sub freeze_mainloop {
368 tick_inhibit_inc; 392 tick_inhibit_inc;
369 393
370 Coro::guard \&tick_inhibit_dec; 394 &Guard::guard (\&tick_inhibit_dec);
371} 395}
372 396
373=item cf::periodic $interval, $cb 397=item cf::periodic $interval, $cb
374 398
375Like EV::periodic, but randomly selects a starting point so that the actions 399Like EV::periodic, but randomly selects a starting point so that the actions
727 751
728############################################################################# 752#############################################################################
729 753
730=head2 ATTACHABLE OBJECTS 754=head2 ATTACHABLE OBJECTS
731 755
732Many objects in crossfire are so-called attachable objects. That means you can 756Many objects in deliantra are so-called attachable objects. That means you can
733attach callbacks/event handlers (a collection of which is called an "attachment") 757attach callbacks/event handlers (a collection of which is called an "attachment")
734to it. All such attachable objects support the following methods. 758to it. All such attachable objects support the following methods.
735 759
736In the following description, CLASS can be any of C<global>, C<object> 760In the following description, CLASS can be any of C<global>, C<object>
737C<player>, C<client> or C<map> (i.e. the attachable objects in 761C<player>, C<client> or C<map> (i.e. the attachable objects in
787=item cf::CLASS::attachment $name, ... 811=item cf::CLASS::attachment $name, ...
788 812
789Register an attachment by C<$name> through which attachable objects of the 813Register an attachment by C<$name> through which attachable objects of the
790given CLASS can refer to this attachment. 814given CLASS can refer to this attachment.
791 815
792Some classes such as crossfire maps and objects can specify attachments 816Some classes such as deliantra maps and objects can specify attachments
793that are attached at load/instantiate time, thus the need for a name. 817that are attached at load/instantiate time, thus the need for a name.
794 818
795These calls expect any number of the following handler/hook descriptions: 819These calls expect any number of the following handler/hook descriptions:
796 820
797=over 4 821=over 4
1088 1112
1089sub reattach { 1113sub reattach {
1090 # basically do the same as instantiate, without calling instantiate 1114 # basically do the same as instantiate, without calling instantiate
1091 my ($obj) = @_; 1115 my ($obj) = @_;
1092 1116
1117 # no longer needed after getting rid of delete_package?
1093 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1118 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1094 1119
1095 my $registry = $obj->registry; 1120 my $registry = $obj->registry;
1096 1121
1097 @$registry = (); 1122 @$registry = ();
1098 1123
1146 $decname, length $$rdata, scalar @$objs; 1171 $decname, length $$rdata, scalar @$objs;
1147 1172
1148 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1173 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1149 aio_chmod $fh, SAVE_MODE; 1174 aio_chmod $fh, SAVE_MODE;
1150 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1175 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1151 aio_fsync $fh if $cf::USE_FSYNC; 1176 if ($cf::USE_FSYNC) {
1177 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1178 aio_fsync $fh;
1179 }
1152 aio_close $fh; 1180 aio_close $fh;
1153 1181
1154 if (@$objs) { 1182 if (@$objs) {
1155 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1183 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1156 aio_chmod $fh, SAVE_MODE; 1184 aio_chmod $fh, SAVE_MODE;
1157 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs }; 1185 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1158 aio_write $fh, 0, (length $data), $data, 0; 1186 aio_write $fh, 0, (length $data), $data, 0;
1159 aio_fsync $fh if $cf::USE_FSYNC; 1187 if ($cf::USE_FSYNC) {
1188 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1189 aio_fsync $fh;
1190 }
1160 aio_close $fh; 1191 aio_close $fh;
1161 aio_rename "$filename.pst~", "$filename.pst"; 1192 aio_rename "$filename.pst~", "$filename.pst";
1162 } 1193 }
1163 } else { 1194 } else {
1164 aio_unlink "$filename.pst"; 1195 aio_unlink "$filename.pst";
1165 } 1196 }
1166 1197
1167 aio_rename "$filename~", $filename; 1198 aio_rename "$filename~", $filename;
1199
1200 $filename =~ s%/[^/]+$%%;
1201 aio_pathsync $filename if $cf::USE_FSYNC;
1168 } else { 1202 } else {
1169 warn "FATAL: $filename~: $!\n"; 1203 warn "unable to save objects: $filename~: $!\n";
1170 } 1204 }
1171 } else { 1205 } else {
1172 aio_unlink $filename; 1206 aio_unlink $filename;
1173 aio_unlink "$filename.pst"; 1207 aio_unlink "$filename.pst";
1174 } 1208 }
1265 my ($name, $cb) = @_; 1299 my ($name, $cb) = @_;
1266 1300
1267 $EXTICMD{$name} = $cb; 1301 $EXTICMD{$name} = $cb;
1268} 1302}
1269 1303
1304use File::Glob ();
1305
1270cf::player->attach ( 1306cf::player->attach (
1271 on_command => sub { 1307 on_command => sub {
1272 my ($pl, $name, $params) = @_; 1308 my ($pl, $name, $params) = @_;
1273 1309
1274 my $cb = $COMMAND{$name} 1310 my $cb = $COMMAND{$name}
1306 1342
1307 cf::override; 1343 cf::override;
1308 }, 1344 },
1309); 1345);
1310 1346
1347# "readahead" all extensions
1348sub cache_extensions {
1349 my $grp = IO::AIO::aio_group;
1350
1351 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1352 for (grep /\.ext$/, @{$_[0]}) {
1353 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1354 }
1355 };
1356
1357 $grp
1358}
1359
1311sub load_extensions { 1360sub load_extensions {
1312 cf::sync_job { 1361 cf::sync_job {
1313 my %todo; 1362 my %todo;
1314 1363
1315 for my $path (<$LIBDIR/*.ext>) { 1364 for my $path (<$LIBDIR/*.ext>) {
1334 1383
1335 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1384 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1336 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1385 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1337 1386
1338 $ext{source} = 1387 $ext{source} =
1339 "package $pkg; use strict; use utf8;\n" 1388 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1340 . "#line 1 \"$path\"\n{\n" 1389 . "#line 1 \"$path\"\n{\n"
1341 . $source 1390 . $source
1342 . "\n};\n1"; 1391 . "\n};\n1";
1343 1392
1344 $todo{$base} = \%ext; 1393 $todo{$base} = \%ext;
1384 1433
1385=back 1434=back
1386 1435
1387=head2 CORE EXTENSIONS 1436=head2 CORE EXTENSIONS
1388 1437
1389Functions and methods that extend core crossfire objects. 1438Functions and methods that extend core deliantra objects.
1390 1439
1391=cut 1440=cut
1392 1441
1393package cf::player; 1442package cf::player;
1394 1443
1437 1486
1438sub exists($) { 1487sub exists($) {
1439 my ($login) = @_; 1488 my ($login) = @_;
1440 1489
1441 $cf::PLAYER{$login} 1490 $cf::PLAYER{$login}
1442 or cf::sync_job { !aio_stat path $login } 1491 or !aio_stat path $login
1443} 1492}
1444 1493
1445sub find($) { 1494sub find($) {
1446 return $cf::PLAYER{$_[0]} || do { 1495 return $cf::PLAYER{$_[0]} || do {
1447 my $login = $_[0]; 1496 my $login = $_[0];
1522 my ($pl) = @_; 1571 my ($pl) = @_;
1523 1572
1524 my $name = $pl->ob->name; 1573 my $name = $pl->ob->name;
1525 1574
1526 $pl->{deny_save} = 1; 1575 $pl->{deny_save} = 1;
1527 $pl->password ("*"); # this should lock out the player until we nuked the dir 1576 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1528 1577
1529 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1578 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1530 $pl->deactivate; 1579 $pl->deactivate;
1531 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy; 1580 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1532 $pl->ob->check_score; 1581 $pl->ob->check_score;
1618 } 1667 }
1619 1668
1620 \@paths 1669 \@paths
1621} 1670}
1622 1671
1623=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1672=item $protocol_xml = $player->expand_cfpod ($cfpod)
1624 1673
1625Expand crossfire pod fragments into protocol xml. 1674Expand deliantra pod fragments into protocol xml.
1626
1627=cut
1628
1629use re 'eval';
1630
1631my $group;
1632my $interior; $interior = qr{
1633 # match a pod interior sequence sans C<< >>
1634 (?:
1635 \ (.*?)\ (?{ $group = $^N })
1636 | < (??{$interior}) >
1637 )
1638}x;
1639
1640sub expand_cfpod {
1641 my ($self, $pod) = @_;
1642
1643 my $xml;
1644
1645 while () {
1646 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1647 $group = $1;
1648
1649 $group =~ s/&/&amp;/g;
1650 $group =~ s/</&lt;/g;
1651
1652 $xml .= $group;
1653 } elsif ($pod =~ m%\G
1654 ([BCGHITU])
1655 <
1656 (?:
1657 ([^<>]*) (?{ $group = $^N })
1658 | < $interior >
1659 )
1660 >
1661 %gcsx
1662 ) {
1663 my ($code, $data) = ($1, $group);
1664
1665 if ($code eq "B") {
1666 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1667 } elsif ($code eq "I") {
1668 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1669 } elsif ($code eq "U") {
1670 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1671 } elsif ($code eq "C") {
1672 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1673 } elsif ($code eq "T") {
1674 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1675 } elsif ($code eq "G") {
1676 my ($male, $female) = split /\|/, $data;
1677 $data = $self->gender ? $female : $male;
1678 $xml .= expand_cfpod ($self, $data);
1679 } elsif ($code eq "H") {
1680 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1681 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1682 "")
1683 [$self->{hintmode}];
1684 } else {
1685 $xml .= "error processing '$code($data)' directive";
1686 }
1687 } else {
1688 if ($pod =~ /\G(.+)/) {
1689 warn "parse error while expanding $pod (at $1)";
1690 }
1691 last;
1692 }
1693 }
1694
1695 for ($xml) {
1696 # create single paragraphs (very hackish)
1697 s/(?<=\S)\n(?=\w)/ /g;
1698
1699 # compress some whitespace
1700 s/\s+\n/\n/g; # ws line-ends
1701 s/\n\n+/\n/g; # double lines
1702 s/^\n+//; # beginning lines
1703 s/\n+$//; # ending lines
1704 }
1705
1706 $xml
1707}
1708
1709no re 'eval';
1710
1711sub hintmode {
1712 $_[0]{hintmode} = $_[1] if @_ > 1;
1713 $_[0]{hintmode}
1714}
1715 1675
1716=item $player->ext_reply ($msgid, @msg) 1676=item $player->ext_reply ($msgid, @msg)
1717 1677
1718Sends an ext reply to the player. 1678Sends an ext reply to the player.
1719 1679
1932 1892
1933 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go; 1893 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1934 "$UNIQUEDIR/$path" 1894 "$UNIQUEDIR/$path"
1935} 1895}
1936 1896
1937# and all this just because we cannot iterate over
1938# all maps in C++...
1939sub change_all_map_light {
1940 my ($change) = @_;
1941
1942 $_->change_map_light ($change)
1943 for grep $_->outdoor, values %cf::MAP;
1944}
1945
1946sub decay_objects { 1897sub decay_objects {
1947 my ($self) = @_; 1898 my ($self) = @_;
1948 1899
1949 return if $self->{deny_reset}; 1900 return if $self->{deny_reset};
1950 1901
2032sub find { 1983sub find {
2033 my ($path, $origin) = @_; 1984 my ($path, $origin) = @_;
2034 1985
2035 $path = normalise $path, $origin && $origin->path; 1986 $path = normalise $path, $origin && $origin->path;
2036 1987
2037 cf::lock_wait "map_data:$path";#d#remove 1988 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2038 cf::lock_wait "map_find:$path"; 1989 my $guard2 = cf::lock_acquire "map_find:$path";
2039 1990
2040 $cf::MAP{$path} || do { 1991 $cf::MAP{$path} || do {
2041 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2042 my $guard2 = cf::lock_acquire "map_find:$path";
2043
2044 my $map = new_from_path cf::map $path 1992 my $map = new_from_path cf::map $path
2045 or return; 1993 or return;
2046 1994
2047 $map->{last_save} = $cf::RUNTIME; 1995 $map->{last_save} = $cf::RUNTIME;
2048 1996
2088 my $f = new_from_file cf::object::thawer $self->{load_path}; 2036 my $f = new_from_file cf::object::thawer $self->{load_path};
2089 $f->skip_block; 2037 $f->skip_block;
2090 $self->_load_objects ($f) 2038 $self->_load_objects ($f)
2091 or return; 2039 or return;
2092 2040
2093 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2041 $self->post_load_original
2094 if delete $self->{load_original}; 2042 if delete $self->{load_original};
2095 2043
2096 if (my $uniq = $self->uniq_path) { 2044 if (my $uniq = $self->uniq_path) {
2097 utf8::encode $uniq; 2045 utf8::encode $uniq;
2098 unless (aio_stat $uniq) { 2046 unless (aio_stat $uniq) {
2116 unless ($self->{deny_activate}) { 2064 unless ($self->{deny_activate}) {
2117 $self->decay_objects; 2065 $self->decay_objects;
2118 $self->fix_auto_apply; 2066 $self->fix_auto_apply;
2119 $self->update_buttons; 2067 $self->update_buttons;
2120 cf::cede_to_tick; 2068 cf::cede_to_tick;
2121 $self->set_darkness_map;
2122 cf::cede_to_tick;
2123 $self->activate; 2069 $self->activate;
2124 } 2070 }
2125 2071
2126 $self->{last_save} = $cf::RUNTIME; 2072 $self->{last_save} = $cf::RUNTIME;
2127 $self->last_access ($cf::RUNTIME); 2073 $self->last_access ($cf::RUNTIME);
2293 2239
2294 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2240 my $lock = cf::lock_acquire "map_data:$self->{path}";
2295 2241
2296 return if $self->players; 2242 return if $self->players;
2297 2243
2298 warn "resetting map ", $self->path; 2244 warn "resetting map ", $self->path, "\n";
2299 2245
2300 $self->in_memory (cf::MAP_SWAPPED); 2246 $self->in_memory (cf::MAP_SWAPPED);
2301 2247
2302 # need to save uniques path 2248 # need to save uniques path
2303 unless ($self->{deny_save}) { 2249 unless ($self->{deny_save}) {
2468 2414
2469our $SAY_CHANNEL = { 2415our $SAY_CHANNEL = {
2470 id => "say", 2416 id => "say",
2471 title => "Map", 2417 title => "Map",
2472 reply => "say ", 2418 reply => "say ",
2473 tooltip => "Things said to and replied from npcs near you and other players on the same map only.", 2419 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2474}; 2420};
2475 2421
2476our $CHAT_CHANNEL = { 2422our $CHAT_CHANNEL = {
2477 id => "chat", 2423 id => "chat",
2478 title => "Chat", 2424 title => "Chat",
2533 2479
2534=item $player_object->enter_link 2480=item $player_object->enter_link
2535 2481
2536Freezes the player and moves him/her to a special map (C<{link}>). 2482Freezes the player and moves him/her to a special map (C<{link}>).
2537 2483
2538The player should be reasonably safe there for short amounts of time. You 2484The player should be reasonably safe there for short amounts of time (e.g.
2539I<MUST> call C<leave_link> as soon as possible, though. 2485for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2486though, as the palyer cannot control the character while it is on the link
2487map.
2540 2488
2541Will never block. 2489Will never block.
2542 2490
2543=item $player_object->leave_link ($map, $x, $y) 2491=item $player_object->leave_link ($map, $x, $y)
2544 2492
2602 2550
2603 $map->load; 2551 $map->load;
2604 $map->load_neighbours; 2552 $map->load_neighbours;
2605 2553
2606 return unless $self->contr->active; 2554 return unless $self->contr->active;
2607 $self->activate_recursive;
2608 2555
2609 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2556 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2610 $self->enter_map ($map, $x, $y); 2557 $self->enter_map ($map, $x, $y);
2558
2559 # only activate afterwards, to support waiting in hooks
2560 $self->activate_recursive;
2611} 2561}
2612 2562
2613=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2563=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2614 2564
2615Moves the player to the given map-path and coordinates by first freezing 2565Moves the player to the given map-path and coordinates by first freezing
2616her, loading and preparing them map, calling the provided $check callback 2566her, loading and preparing them map, calling the provided $check callback
2617that has to return the map if sucecssful, and then unfreezes the player on 2567that has to return the map if sucecssful, and then unfreezes the player on
2618the new (success) or old (failed) map position. In either case, $done will 2568the new (success) or old (failed) map position. In either case, $done will
2619be called at the end of this process. 2569be called at the end of this process.
2570
2571Note that $check will be called with a potentially non-loaded map, so if
2572it needs a loaded map it has to call C<< ->load >>.
2620 2573
2621=cut 2574=cut
2622 2575
2623our $GOTOGEN; 2576our $GOTOGEN;
2624 2577
2771 $self->contr->savebed ($map, $x, $y) 2724 $self->contr->savebed ($map, $x, $y)
2772 if $exit->flag (cf::FLAG_DAMNED); 2725 if $exit->flag (cf::FLAG_DAMNED);
2773 2726
2774 1 2727 1
2775 }) { 2728 }) {
2776 $self->message ("Something went wrong deep within the crossfire server. " 2729 $self->message ("Something went wrong deep within the deliantra server. "
2777 . "I'll try to bring you back to the map you were before. " 2730 . "I'll try to bring you back to the map you were before. "
2778 . "Please report this to the dungeon master!", 2731 . "Please report this to the dungeon master!",
2779 cf::NDI_UNIQUE | cf::NDI_RED); 2732 cf::NDI_UNIQUE | cf::NDI_RED);
2780 2733
2781 warn "ERROR in enter_exit: $@"; 2734 warn "ERROR in enter_exit: $@";
2847 id => "infobox", 2800 id => "infobox",
2848 title => "Body Parts", 2801 title => "Body Parts",
2849 reply => undef, 2802 reply => undef,
2850 tooltip => "Shows which body parts you posess and are available", 2803 tooltip => "Shows which body parts you posess and are available",
2851 }, 2804 },
2805 "c/statistics" => {
2806 id => "infobox",
2807 title => "Statistics",
2808 reply => undef,
2809 tooltip => "Shows your primary statistics",
2810 },
2811 "c/skills" => {
2812 id => "infobox",
2813 title => "Skills",
2814 reply => undef,
2815 tooltip => "Shows your experience per skill and item power",
2816 },
2817 "c/shopitems" => {
2818 id => "infobox",
2819 title => "Shop Items",
2820 reply => undef,
2821 tooltip => "Shows the items currently for sale in this shop",
2822 },
2823 "c/resistances" => {
2824 id => "infobox",
2825 title => "Resistances",
2826 reply => undef,
2827 tooltip => "Shows your resistances",
2828 },
2829 "c/pets" => {
2830 id => "infobox",
2831 title => "Pets",
2832 reply => undef,
2833 tooltip => "Shows information abotu your pets/a specific pet",
2834 },
2835 "c/perceiveself" => {
2836 id => "infobox",
2837 title => "Perceive Self",
2838 reply => undef,
2839 tooltip => "You gained detailed knowledge about yourself",
2840 },
2852 "c/uptime" => { 2841 "c/uptime" => {
2853 id => "infobox", 2842 id => "infobox",
2854 title => "Uptime", 2843 title => "Uptime",
2855 reply => undef, 2844 reply => undef,
2856 tooltip => "How long the server has been running since last restart", 2845 tooltip => "How long the server has been running since last restart",
2865 id => "party", 2854 id => "party",
2866 title => "Party", 2855 title => "Party",
2867 reply => "gsay ", 2856 reply => "gsay ",
2868 tooltip => "Messages and chat related to your party", 2857 tooltip => "Messages and chat related to your party",
2869 }, 2858 },
2859 "c/death" => {
2860 id => "death",
2861 title => "Death",
2862 reply => undef,
2863 tooltip => "Reason for and more info about your most recent death",
2864 },
2865 "c/say" => $SAY_CHANNEL,
2866 "c/chat" => $CHAT_CHANNEL,
2870); 2867);
2871 2868
2872sub cf::client::send_msg { 2869sub cf::client::send_msg {
2873 my ($self, $channel, $msg, $color, @extra) = @_; 2870 my ($self, $channel, $msg, $color, @extra) = @_;
2874 2871
2875 $msg = $self->pl->expand_cfpod ($msg); 2872 $msg = $self->pl->expand_cfpod ($msg)
2873 unless $color & cf::NDI_VERBATIM;
2876 2874
2877 $color &= cf::NDI_CLIENT_MASK; # just in case... 2875 $color &= cf::NDI_CLIENT_MASK; # just in case...
2878 2876
2879 # check predefined channels, for the benefit of C 2877 # check predefined channels, for the benefit of C
2880 if ($CHANNEL{$channel}) { 2878 if ($CHANNEL{$channel}) {
2881 $channel = $CHANNEL{$channel}; 2879 $channel = $CHANNEL{$channel};
2882 2880
2883 $self->ext_msg (channel_info => $channel) 2881 $self->ext_msg (channel_info => $channel);
2884 if $self->can_msg;
2885
2886 $channel = $channel->{id}; 2882 $channel = $channel->{id};
2887 2883
2888 } elsif (ref $channel) { 2884 } elsif (ref $channel) {
2889 # send meta info to client, if not yet sent 2885 # send meta info to client, if not yet sent
2890 unless (exists $self->{channel}{$channel->{id}}) { 2886 unless (exists $self->{channel}{$channel->{id}}) {
2891 $self->{channel}{$channel->{id}} = $channel; 2887 $self->{channel}{$channel->{id}} = $channel;
2892 $self->ext_msg (channel_info => $channel) 2888 $self->ext_msg (channel_info => $channel);
2893 if $self->can_msg;
2894 } 2889 }
2895 2890
2896 $channel = $channel->{id}; 2891 $channel = $channel->{id};
2897 } 2892 }
2898 2893
2899 return unless @extra || length $msg; 2894 return unless @extra || length $msg;
2900 2895
2901 if ($self->can_msg) {
2902 # default colour, mask it out 2896 # default colour, mask it out
2903 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2897 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2904 if $color & cf::NDI_DEF; 2898 if $color & cf::NDI_DEF;
2905 2899
2906 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2900 my $pkt = "msg "
2901 . $self->{json_coder}->encode (
2907 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2902 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2908 } else { 2903 );
2909 if ($color >= 0) {
2910 # replace some tags by gcfclient-compatible ones
2911 for ($msg) {
2912 1 while
2913 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2914 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2915 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2916 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2917 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2918 }
2919 2904
2920 $color &= cf::NDI_COLOR_MASK; 2905 # try lzf for large packets
2906 $pkt = "lzf " . Compress::LZF::compress $pkt
2907 if 1024 <= length $pkt and $self->{can_lzf};
2921 2908
2922 utf8::encode $msg; 2909 # split very large packets
2923 2910 if (8192 < length $pkt and $self->{can_lzf}) {
2924 if (0 && $msg =~ /\[/) { 2911 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2925 # COMMAND/INFO 2912 $pkt = "frag";
2926 $self->send_packet ("drawextinfo $color 10 8 $msg")
2927 } else {
2928 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2929 $self->send_packet ("drawinfo $color $msg")
2930 }
2931 }
2932 } 2913 }
2914
2915 $self->send_packet ($pkt);
2933} 2916}
2934 2917
2935=item $client->ext_msg ($type, @msg) 2918=item $client->ext_msg ($type, @msg)
2936 2919
2937Sends an ext event to the client. 2920Sends an ext event to the client.
3112The following functions and methods are available within a safe environment: 3095The following functions and methods are available within a safe environment:
3113 3096
3114 cf::object 3097 cf::object
3115 contr pay_amount pay_player map x y force_find force_add destroy 3098 contr pay_amount pay_player map x y force_find force_add destroy
3116 insert remove name archname title slaying race decrease split 3099 insert remove name archname title slaying race decrease split
3100 value
3117 3101
3118 cf::object::player 3102 cf::object::player
3119 player 3103 player
3120 3104
3121 cf::player 3105 cf::player
3127=cut 3111=cut
3128 3112
3129for ( 3113for (
3130 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3114 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3131 insert remove inv nrof name archname title slaying race 3115 insert remove inv nrof name archname title slaying race
3132 decrease split destroy)], 3116 decrease split destroy change_exp value msg lore send_msg)],
3133 ["cf::object::player" => qw(player)], 3117 ["cf::object::player" => qw(player)],
3134 ["cf::player" => qw(peaceful)], 3118 ["cf::player" => qw(peaceful send_msg)],
3135 ["cf::map" => qw(trigger)], 3119 ["cf::map" => qw(trigger)],
3136) { 3120) {
3137 no strict 'refs'; 3121 no strict 'refs';
3138 my ($pkg, @funs) = @$_; 3122 my ($pkg, @funs) = @$_;
3139 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3123 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3156 my ($code, %vars) = @_; 3140 my ($code, %vars) = @_;
3157 3141
3158 my $qcode = $code; 3142 my $qcode = $code;
3159 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3143 $qcode =~ s/"/‟/g; # not allowed in #line filenames
3160 $qcode =~ s/\n/\\n/g; 3144 $qcode =~ s/\n/\\n/g;
3145
3146 %vars = (_dummy => 0) unless %vars;
3161 3147
3162 local $_; 3148 local $_;
3163 local @safe::cf::_safe_eval_args = values %vars; 3149 local @safe::cf::_safe_eval_args = values %vars;
3164 3150
3165 my $eval = 3151 my $eval =
3395 reload_treasures; 3381 reload_treasures;
3396 3382
3397 warn "finished reloading resource files\n"; 3383 warn "finished reloading resource files\n";
3398} 3384}
3399 3385
3400sub init {
3401 my $guard = freeze_mainloop;
3402
3403 reload_resources;
3404}
3405
3406sub reload_config { 3386sub reload_config {
3407 open my $fh, "<:utf8", "$CONFDIR/config" 3387 open my $fh, "<:utf8", "$CONFDIR/config"
3408 or return; 3388 or return;
3409 3389
3410 local $/; 3390 local $/;
3422 }; 3402 };
3423 warn $@ if $@; 3403 warn $@ if $@;
3424 } 3404 }
3425} 3405}
3426 3406
3407sub pidfile() {
3408 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3409 or die "$PIDFILE: $!";
3410 flock $fh, &Fcntl::LOCK_EX
3411 or die "$PIDFILE: flock: $!";
3412 $fh
3413}
3414
3415# make sure only one server instance is running at any one time
3416sub atomic {
3417 my $fh = pidfile;
3418
3419 my $pid = <$fh>;
3420 kill 9, $pid if $pid > 0;
3421
3422 seek $fh, 0, 0;
3423 print $fh $$;
3424}
3425
3426sub main_loop {
3427 warn "EV::loop starting\n";
3428 if (1) {
3429 EV::loop;
3430 }
3431 warn "EV::loop returned\n";
3432 goto &main_loop unless $REALLY_UNLOOP;
3433}
3434
3427sub main { 3435sub main {
3436 cf::init_globals; # initialise logging
3437
3438 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3439 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3440 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3441 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3442
3443 cf::init_experience;
3444 cf::init_anim;
3445 cf::init_attackmess;
3446 cf::init_dynamic;
3447
3448 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3449
3428 # we must not ever block the main coroutine 3450 # we must not ever block the main coroutine
3429 local $Coro::idle = sub { 3451 local $Coro::idle = sub {
3430 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3452 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3431 (async { 3453 (async {
3432 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3454 $Coro::current->{desc} = "IDLE BUG HANDLER";
3433 EV::loop EV::LOOP_ONESHOT; 3455 EV::loop EV::LOOP_ONESHOT;
3434 })->prio (Coro::PRIO_MAX); 3456 })->prio (Coro::PRIO_MAX);
3435 }; 3457 };
3436 3458
3437 { 3459 evthread_start IO::AIO::poll_fileno;
3438 my $guard = freeze_mainloop; 3460
3461 cf::sync_job {
3462 reload_resources;
3439 reload_config; 3463 reload_config;
3440 db_init; 3464 db_init;
3465
3466 cf::load_settings;
3467 cf::load_materials;
3468 cf::init_uuid;
3469 cf::init_signals;
3470 cf::init_commands;
3471 cf::init_skills;
3472
3473 cf::init_beforeplay;
3474
3475 atomic;
3476
3441 load_extensions; 3477 load_extensions;
3442 3478
3443 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3479 utime time, time, $RUNTIMEFILE;
3480
3481 # no (long-running) fork's whatsoever before this point(!)
3482 use POSIX ();
3483 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3484
3485 (pop @POST_INIT)->(0) while @POST_INIT;
3444 } 3486 };
3445 3487
3446 EV::loop; 3488 main_loop;
3447} 3489}
3448 3490
3449############################################################################# 3491#############################################################################
3450# initialisation and cleanup 3492# initialisation and cleanup
3451 3493
3458 }; 3500 };
3459 } 3501 }
3460} 3502}
3461 3503
3462sub write_runtime_sync { 3504sub write_runtime_sync {
3463 my $runtime = "$LOCALDIR/runtime";
3464
3465 # first touch the runtime file to show we are still running: 3505 # first touch the runtime file to show we are still running:
3466 # the fsync below can take a very very long time. 3506 # the fsync below can take a very very long time.
3467 3507
3468 IO::AIO::aio_utime $runtime, undef, undef; 3508 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3469 3509
3470 my $guard = cf::lock_acquire "write_runtime"; 3510 my $guard = cf::lock_acquire "write_runtime";
3471 3511
3472 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3512 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3473 or return; 3513 or return;
3474 3514
3475 my $value = $cf::RUNTIME + 90 + 10; 3515 my $value = $cf::RUNTIME + 90 + 10;
3476 # 10 is the runtime save interval, for a monotonic clock 3516 # 10 is the runtime save interval, for a monotonic clock
3477 # 60 allows for the watchdog to kill the server. 3517 # 60 allows for the watchdog to kill the server.
3487 aio_utime $fh, undef, undef; 3527 aio_utime $fh, undef, undef;
3488 3528
3489 close $fh 3529 close $fh
3490 or return; 3530 or return;
3491 3531
3492 aio_rename "$runtime~", $runtime 3532 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3493 and return; 3533 and return;
3494 3534
3495 warn "runtime file written.\n"; 3535 warn "runtime file written.\n";
3496 3536
3497 1 3537 1
3509 my $uuid = "$LOCALDIR/uuid"; 3549 my $uuid = "$LOCALDIR/uuid";
3510 3550
3511 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644 3551 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3512 or return; 3552 or return;
3513 3553
3514 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur; 3554 my $value = uuid_seq uuid_cur;
3555
3556 unless ($value) {
3557 warn "cowardly refusing to write zero uuid value!\n";
3558 return;
3559 }
3560
3561 my $value = uuid_str $value + $uuid_skip;
3515 $uuid_skip = 0; 3562 $uuid_skip = 0;
3516 3563
3517 (aio_write $fh, 0, (length $value), $value, 0) <= 0 3564 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3518 and return; 3565 and return;
3519 3566
3541} 3588}
3542 3589
3543sub emergency_save() { 3590sub emergency_save() {
3544 my $freeze_guard = cf::freeze_mainloop; 3591 my $freeze_guard = cf::freeze_mainloop;
3545 3592
3546 warn "enter emergency perl save\n"; 3593 warn "emergency_perl_save: enter\n";
3547 3594
3548 cf::sync_job { 3595 cf::sync_job {
3596 # this is a trade-off: we want to be very quick here, so
3597 # save all maps without fsync, and later call a global sync
3598 # (which in turn might be very very slow)
3599 local $USE_FSYNC = 0;
3600
3549 # use a peculiar iteration method to avoid tripping on perl 3601 # use a peculiar iteration method to avoid tripping on perl
3550 # refcount bugs in for. also avoids problems with players 3602 # refcount bugs in for. also avoids problems with players
3551 # and maps saved/destroyed asynchronously. 3603 # and maps saved/destroyed asynchronously.
3552 warn "begin emergency player save\n"; 3604 warn "emergency_perl_save: begin player save\n";
3553 for my $login (keys %cf::PLAYER) { 3605 for my $login (keys %cf::PLAYER) {
3554 my $pl = $cf::PLAYER{$login} or next; 3606 my $pl = $cf::PLAYER{$login} or next;
3555 $pl->valid or next; 3607 $pl->valid or next;
3556 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3608 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3557 $pl->save; 3609 $pl->save;
3558 } 3610 }
3559 warn "end emergency player save\n"; 3611 warn "emergency_perl_save: end player save\n";
3560 3612
3561 warn "begin emergency map save\n"; 3613 warn "emergency_perl_save: begin map save\n";
3562 for my $path (keys %cf::MAP) { 3614 for my $path (keys %cf::MAP) {
3563 my $map = $cf::MAP{$path} or next; 3615 my $map = $cf::MAP{$path} or next;
3564 $map->valid or next; 3616 $map->valid or next;
3565 $map->save; 3617 $map->save;
3566 } 3618 }
3567 warn "end emergency map save\n"; 3619 warn "emergency_perl_save: end map save\n";
3568 3620
3569 warn "begin emergency database checkpoint\n"; 3621 warn "emergency_perl_save: begin database checkpoint\n";
3570 BDB::db_env_txn_checkpoint $DB_ENV; 3622 BDB::db_env_txn_checkpoint $DB_ENV;
3571 warn "end emergency database checkpoint\n"; 3623 warn "emergency_perl_save: end database checkpoint\n";
3572 3624
3573 warn "begin write uuid\n"; 3625 warn "emergency_perl_save: begin write uuid\n";
3574 write_uuid_sync 1; 3626 write_uuid_sync 1;
3575 warn "end write uuid\n"; 3627 warn "emergency_perl_save: end write uuid\n";
3576 }; 3628 };
3577 3629
3630 warn "emergency_perl_save: starting sync()\n";
3631 IO::AIO::aio_sync sub {
3632 warn "emergency_perl_save: finished sync()\n";
3633 };
3634
3578 warn "leave emergency perl save\n"; 3635 warn "emergency_perl_save: leave\n";
3579} 3636}
3580 3637
3581sub post_cleanup { 3638sub post_cleanup {
3582 my ($make_core) = @_; 3639 my ($make_core) = @_;
3583 3640
3584 warn Carp::longmess "post_cleanup backtrace" 3641 warn Carp::longmess "post_cleanup backtrace"
3585 if $make_core; 3642 if $make_core;
3643
3644 my $fh = pidfile;
3645 unlink $PIDFILE if <$fh> == $$;
3646}
3647
3648# a safer delete_package, copied from Symbol
3649sub clear_package($) {
3650 my $pkg = shift;
3651
3652 # expand to full symbol table name if needed
3653 unless ($pkg =~ /^main::.*::$/) {
3654 $pkg = "main$pkg" if $pkg =~ /^::/;
3655 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3656 $pkg .= '::' unless $pkg =~ /::$/;
3657 }
3658
3659 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3660 my $stem_symtab = *{$stem}{HASH};
3661
3662 defined $stem_symtab and exists $stem_symtab->{$leaf}
3663 or return;
3664
3665 # clear all symbols
3666 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3667 for my $name (keys %$leaf_symtab) {
3668 _gv_clear *{"$pkg$name"};
3669# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3670 }
3671 warn "cleared package $pkg\n";#d#
3586} 3672}
3587 3673
3588sub do_reload_perl() { 3674sub do_reload_perl() {
3589 # can/must only be called in main 3675 # can/must only be called in main
3590 if ($Coro::current != $Coro::main) { 3676 if ($Coro::current != $Coro::main) {
3591 warn "can only reload from main coroutine"; 3677 warn "can only reload from main coroutine";
3592 return; 3678 return;
3593 } 3679 }
3594 3680
3681 return if $RELOAD++;
3682
3683 my $t1 = EV::time;
3684
3685 while ($RELOAD) {
3595 warn "reloading..."; 3686 warn "reloading...";
3596 3687
3597 warn "entering sync_job"; 3688 warn "entering sync_job";
3598 3689
3599 cf::sync_job { 3690 cf::sync_job {
3600 cf::write_runtime_sync; # external watchdog should not bark 3691 cf::write_runtime_sync; # external watchdog should not bark
3601 cf::emergency_save; 3692 cf::emergency_save;
3602 cf::write_runtime_sync; # external watchdog should not bark 3693 cf::write_runtime_sync; # external watchdog should not bark
3603 3694
3604 warn "syncing database to disk"; 3695 warn "syncing database to disk";
3605 BDB::db_env_txn_checkpoint $DB_ENV; 3696 BDB::db_env_txn_checkpoint $DB_ENV;
3606 3697
3607 # if anything goes wrong in here, we should simply crash as we already saved 3698 # if anything goes wrong in here, we should simply crash as we already saved
3608 3699
3609 warn "flushing outstanding aio requests"; 3700 warn "flushing outstanding aio requests";
3610 for (;;) {
3611 BDB::flush;
3612 IO::AIO::flush;
3613 Coro::cede_notself;
3614 last unless IO::AIO::nreqs || BDB::nreqs; 3701 while (IO::AIO::nreqs || BDB::nreqs) {
3615 warn "iterate..."; 3702 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3616 }
3617
3618 ++$RELOAD;
3619
3620 warn "cancelling all extension coros";
3621 $_->cancel for values %EXT_CORO;
3622 %EXT_CORO = ();
3623
3624 warn "removing commands";
3625 %COMMAND = ();
3626
3627 warn "removing ext/exti commands";
3628 %EXTCMD = ();
3629 %EXTICMD = ();
3630
3631 warn "unloading/nuking all extensions";
3632 for my $pkg (@EXTS) {
3633 warn "... unloading $pkg";
3634
3635 if (my $cb = $pkg->can ("unload")) {
3636 eval {
3637 $cb->($pkg);
3638 1
3639 } or warn "$pkg unloaded, but with errors: $@";
3640 } 3703 }
3641 3704
3642 warn "... nuking $pkg"; 3705 warn "cancelling all extension coros";
3643 Symbol::delete_package $pkg; 3706 $_->cancel for values %EXT_CORO;
3644 } 3707 %EXT_CORO = ();
3645 3708
3646 warn "unloading all perl modules loaded from $LIBDIR"; 3709 warn "removing commands";
3647 while (my ($k, $v) = each %INC) { 3710 %COMMAND = ();
3648 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3649 3711
3712 warn "removing ext/exti commands";
3713 %EXTCMD = ();
3714 %EXTICMD = ();
3715
3716 warn "unloading/nuking all extensions";
3717 for my $pkg (@EXTS) {
3650 warn "... unloading $k"; 3718 warn "... unloading $pkg";
3651 delete $INC{$k};
3652 3719
3653 $k =~ s/\.pm$//;
3654 $k =~ s/\//::/g;
3655
3656 if (my $cb = $k->can ("unload_module")) { 3720 if (my $cb = $pkg->can ("unload")) {
3721 eval {
3657 $cb->(); 3722 $cb->($pkg);
3723 1
3724 } or warn "$pkg unloaded, but with errors: $@";
3725 }
3726
3727 warn "... clearing $pkg";
3728 clear_package $pkg;
3658 } 3729 }
3659 3730
3660 Symbol::delete_package $k; 3731 warn "unloading all perl modules loaded from $LIBDIR";
3732 while (my ($k, $v) = each %INC) {
3733 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3734
3735 warn "... unloading $k";
3736 delete $INC{$k};
3737
3738 $k =~ s/\.pm$//;
3739 $k =~ s/\//::/g;
3740
3741 if (my $cb = $k->can ("unload_module")) {
3742 $cb->();
3743 }
3744
3745 clear_package $k;
3661 } 3746 }
3662 3747
3663 warn "getting rid of safe::, as good as possible"; 3748 warn "getting rid of safe::, as good as possible";
3664 Symbol::delete_package "safe::$_" 3749 clear_package "safe::$_"
3665 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3750 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3666 3751
3667 warn "unloading cf.pm \"a bit\""; 3752 warn "unloading cf.pm \"a bit\"";
3668 delete $INC{"cf.pm"}; 3753 delete $INC{"cf.pm"};
3669 delete $INC{"cf/pod.pm"}; 3754 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3670 3755
3671 # don't, removes xs symbols, too, 3756 # don't, removes xs symbols, too,
3672 # and global variables created in xs 3757 # and global variables created in xs
3673 #Symbol::delete_package __PACKAGE__; 3758 #clear_package __PACKAGE__;
3674 3759
3675 warn "unload completed, starting to reload now"; 3760 warn "unload completed, starting to reload now";
3676 3761
3677 warn "reloading cf.pm"; 3762 warn "reloading cf.pm";
3678 require cf; 3763 require cf;
3679 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3764 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3680 3765
3681 warn "loading config and database again"; 3766 warn "loading config and database again";
3682 cf::reload_config; 3767 cf::reload_config;
3683 3768
3684 warn "loading extensions"; 3769 warn "loading extensions";
3685 cf::load_extensions; 3770 cf::load_extensions;
3686 3771
3772 if ($REATTACH_ON_RELOAD) {
3687 warn "reattaching attachments to objects/players"; 3773 warn "reattaching attachments to objects/players";
3688 _global_reattach; # objects, sockets 3774 _global_reattach; # objects, sockets
3689 warn "reattaching attachments to maps"; 3775 warn "reattaching attachments to maps";
3690 reattach $_ for values %MAP; 3776 reattach $_ for values %MAP;
3691 warn "reattaching attachments to players"; 3777 warn "reattaching attachments to players";
3692 reattach $_ for values %PLAYER; 3778 reattach $_ for values %PLAYER;
3779 }
3693 3780
3781 warn "running post_init jobs";
3782 (pop @POST_INIT)->(1) while @POST_INIT;
3783
3694 warn "leaving sync_job"; 3784 warn "leaving sync_job";
3695 3785
3696 1 3786 1
3697 } or do { 3787 } or do {
3698 warn $@; 3788 warn $@;
3699 cf::cleanup "error while reloading, exiting."; 3789 cf::cleanup "error while reloading, exiting.";
3700 }; 3790 };
3701 3791
3702 warn "reloaded"; 3792 warn "reloaded";
3793 --$RELOAD;
3794 }
3795
3796 $t1 = EV::time - $t1;
3797 warn "reload completed in ${t1}s\n";
3703}; 3798};
3704 3799
3705our $RELOAD_WATCHER; # used only during reload 3800our $RELOAD_WATCHER; # used only during reload
3706 3801
3707sub reload_perl() { 3802sub reload_perl() {
3708 # doing reload synchronously and two reloads happen back-to-back, 3803 # doing reload synchronously and two reloads happen back-to-back,
3709 # coro crashes during coro_state_free->destroy here. 3804 # coro crashes during coro_state_free->destroy here.
3710 3805
3806 $RELOAD_WATCHER ||= cf::async {
3807 Coro::AIO::aio_wait cache_extensions;
3808
3711 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3809 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3712 do_reload_perl; 3810 do_reload_perl;
3713 undef $RELOAD_WATCHER; 3811 undef $RELOAD_WATCHER;
3812 };
3714 }; 3813 };
3715} 3814}
3716 3815
3717register_command "reload" => sub { 3816register_command "reload" => sub {
3718 my ($who, $arg) = @_; 3817 my ($who, $arg) = @_;
3793 BDB::max_poll_reqs $TICK * 0.1; 3892 BDB::max_poll_reqs $TICK * 0.1;
3794 $AnyEvent::BDB::WATCHER->priority (1); 3893 $AnyEvent::BDB::WATCHER->priority (1);
3795 3894
3796 unless ($DB_ENV) { 3895 unless ($DB_ENV) {
3797 $DB_ENV = BDB::db_env_create; 3896 $DB_ENV = BDB::db_env_create;
3798 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3897 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3799 | BDB::LOG_AUTOREMOVE, 1); 3898 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3899 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3800 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT); 3900 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3801 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT); 3901 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3802 3902
3803 cf::sync_job { 3903 cf::sync_job {
3804 eval { 3904 eval {
3830{ 3930{
3831 # configure IO::AIO 3931 # configure IO::AIO
3832 3932
3833 IO::AIO::min_parallel 8; 3933 IO::AIO::min_parallel 8;
3834 IO::AIO::max_poll_time $TICK * 0.1; 3934 IO::AIO::max_poll_time $TICK * 0.1;
3835 #undef $AnyEvent::AIO::WATCHER; 3935 undef $AnyEvent::AIO::WATCHER;
3836} 3936}
3837 3937
3838my $_log_backtrace; 3938my $_log_backtrace;
3839 3939
3840sub _log_backtrace { 3940sub _log_backtrace {
3843 $msg =~ s/\n//; 3943 $msg =~ s/\n//;
3844 3944
3845 # limit the # of concurrent backtraces 3945 # limit the # of concurrent backtraces
3846 if ($_log_backtrace < 2) { 3946 if ($_log_backtrace < 2) {
3847 ++$_log_backtrace; 3947 ++$_log_backtrace;
3948 my $perl_bt = Carp::longmess $msg;
3848 async { 3949 async {
3849 $Coro::current->{desc} = "abt $msg"; 3950 $Coro::current->{desc} = "abt $msg";
3850 3951
3851 my @bt = fork_call { 3952 my @bt = fork_call {
3852 @addr = map { sprintf "%x", $_ } @addr; 3953 @addr = map { sprintf "%x", $_ } @addr;
3863 } 3964 }
3864 3965
3865 @funcs 3966 @funcs
3866 }; 3967 };
3867 3968
3868 LOG llevInfo, "[ABT] $msg\n"; 3969 LOG llevInfo, "[ABT] $perl_bt\n";
3970 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3869 LOG llevInfo, "[ABT] $_\n" for @bt; 3971 LOG llevInfo, "[ABT] $_\n" for @bt;
3870 --$_log_backtrace; 3972 --$_log_backtrace;
3871 }; 3973 };
3872 } else { 3974 } else {
3873 LOG llevInfo, "[ABT] $msg\n"; 3975 LOG llevInfo, "[ABT] $msg\n";
3874 LOG llevInfo, "[ABT] [suppressed]\n"; 3976 LOG llevInfo, "[ABT] [suppressed]\n";
3875 } 3977 }
3876} 3978}
3877 3979
3878# load additional modules 3980# load additional modules
3879use cf::pod; 3981require "cf/$_.pm" for @EXTRA_MODULES;
3880 3982
3881END { cf::emergency_save } 3983END { cf::emergency_save }
3882 3984
3883evthread_start IO::AIO::poll_fileno;
3884
38851 39851
3886 3986

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