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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.440 by root, Mon Aug 11 23:23:41 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 1.6; 49use Coro::BDB 1.6;
46use Coro::Storable; 50use Coro::Storable;
47use Coro::Util (); 51use Coro::Util ();
… …
61 65
62# configure various modules to our taste 66# configure various modules to our taste
63# 67#
64$Storable::canonical = 1; # reduce rsync transfers 68$Storable::canonical = 1; # reduce rsync transfers
65Coro::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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
66Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
67 76
68$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" };
69 79
70sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 80sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
71 81
72our %COMMAND = (); 82our %COMMAND = ();
73our %COMMAND_TIME = (); 83our %COMMAND_TIME = ();
… …
76our %EXTCMD = (); 86our %EXTCMD = ();
77our %EXTICMD = (); 87our %EXTICMD = ();
78our %EXT_CORO = (); # coroutines bound to extensions 88our %EXT_CORO = (); # coroutines bound to extensions
79our %EXT_MAP = (); # pluggable maps 89our %EXT_MAP = (); # pluggable maps
80 90
81our $RELOAD; # number of reloads so far 91our $RELOAD; # number of reloads so far, non-zero while in reload
82our @EVENT; 92our @EVENT;
93our @REFLECT; # set by XS
94our %REFLECT; # set by us
83 95
84our $CONFDIR = confdir; 96our $CONFDIR = confdir;
85our $DATADIR = datadir; 97our $DATADIR = datadir;
86our $LIBDIR = "$DATADIR/ext"; 98our $LIBDIR = "$DATADIR/ext";
87our $PODDIR = "$DATADIR/pod"; 99our $PODDIR = "$DATADIR/pod";
88our $MAPDIR = "$DATADIR/" . mapdir; 100our $MAPDIR = "$DATADIR/" . mapdir;
89our $LOCALDIR = localdir; 101our $LOCALDIR = localdir;
90our $TMPDIR = "$LOCALDIR/" . tmpdir; 102our $TMPDIR = "$LOCALDIR/" . tmpdir;
91our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 103our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
92our $PLAYERDIR = "$LOCALDIR/" . playerdir; 104our $PLAYERDIR = "$LOCALDIR/" . playerdir;
93our $RANDOMDIR = "$LOCALDIR/random"; 105our $RANDOMDIR = "$LOCALDIR/random";
94our $BDBDIR = "$LOCALDIR/db"; 106our $BDBDIR = "$LOCALDIR/db";
107our $PIDFILE = "$LOCALDIR/pid";
108our $RUNTIMEFILE = "$LOCALDIR/runtime";
109
95our %RESOURCE; 110our %RESOURCE;
96 111
97our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 112our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
98our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 113our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
99our $NEXT_TICK; 114our $NEXT_TICK;
100our $USE_FSYNC = 1; # use fsync to write maps - default off 115our $USE_FSYNC = 1; # use fsync to write maps - default on
101 116
102our $BDB_DEADLOCK_WATCHER; 117our $BDB_DEADLOCK_WATCHER;
103our $BDB_CHECKPOINT_WATCHER; 118our $BDB_CHECKPOINT_WATCHER;
104our $BDB_TRICKLE_WATCHER; 119our $BDB_TRICKLE_WATCHER;
105our $DB_ENV; 120our $DB_ENV;
106 121
122our @EXTRA_MODULES = qw(pod mapscript);
123
107our %CFG; 124our %CFG;
108 125
109our $UPTIME; $UPTIME ||= time; 126our $UPTIME; $UPTIME ||= time;
110our $RUNTIME; 127our $RUNTIME;
111our $NOW; 128our $NOW;
… …
120our $LOAD; # a number between 0 (idle) and 1 (too many objects) 137our $LOAD; # a number between 0 (idle) and 1 (too many objects)
121our $LOADAVG; # same thing, but with alpha-smoothing 138our $LOADAVG; # same thing, but with alpha-smoothing
122our $JITTER; # average jitter 139our $JITTER; # average jitter
123our $TICK_START; # for load detecting purposes 140our $TICK_START; # for load detecting purposes
124 141
142our @POST_INIT;
143
144our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
145our $REALLY_UNLOOP; # never set to true, please :)
146
125binmode STDOUT; 147binmode STDOUT;
126binmode STDERR; 148binmode STDERR;
127 149
128# read virtual server time, if available 150# read virtual server time, if available
129unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 151unless ($RUNTIME || !-e $RUNTIMEFILE) {
130 open my $fh, "<", "$LOCALDIR/runtime" 152 open my $fh, "<", $RUNTIMEFILE
131 or die "unable to read runtime file: $!"; 153 or die "unable to read $RUNTIMEFILE file: $!";
132 $RUNTIME = <$fh> + 0.; 154 $RUNTIME = <$fh> + 0.;
133} 155}
156
157eval "sub TICK() { $TICK } 1" or die;
134 158
135mkdir $_ 159mkdir $_
136 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 160 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
137 161
138our $EMERGENCY_POSITION; 162our $EMERGENCY_POSITION;
139 163
140sub 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 $1, keys %{"cf::"}];
141 176
142############################################################################# 177#############################################################################
143 178
144=head2 GLOBAL VARIABLES 179=head2 GLOBAL VARIABLES
145 180
… …
196 231
197This array contains the results of the last C<invoke ()> call. When 232This array contains the results of the last C<invoke ()> call. When
198C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of 233C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
199that call. 234that call.
200 235
236=item %cf::REFLECT
237
238Contains, for each (C++) class name, a hash reference with information
239about object members (methods, scalars, arrays and flags) and other
240metadata, which is useful for introspection.
241
201=back 242=back
202 243
203=cut 244=cut
204 245
205BEGIN { 246$Coro::State::WARNHOOK = sub {
206 *CORE::GLOBAL::warn = sub {
207 my $msg = join "", @_; 247 my $msg = join "", @_;
208 248
209 $msg .= "\n" 249 $msg .= "\n"
210 unless $msg =~ /\n$/; 250 unless $msg =~ /\n$/;
211 251
212 $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;
213 253
214 LOG llevError, $msg; 254 LOG llevError, $msg;
215 }; 255};
216}
217 256
218$Coro::State::DIEHOOK = sub { 257$Coro::State::DIEHOOK = sub {
219 return unless $^S eq 0; # "eq", not "==" 258 return unless $^S eq 0; # "eq", not "=="
259
260 warn Carp::longmess $_[0];
220 261
221 if ($Coro::current == $Coro::main) {#d# 262 if ($Coro::current == $Coro::main) {#d#
222 warn "DIEHOOK called in main context, Coro bug?\n";#d# 263 warn "DIEHOOK called in main context, Coro bug?\n";#d#
223 return;#d# 264 return;#d#
224 }#d# 265 }#d#
225 266
226 # kill coroutine otherwise 267 # kill coroutine otherwise
227 warn Carp::longmess $_[0];
228 Coro::terminate 268 Coro::terminate
229}; 269};
230
231$SIG{__DIE__} = sub { }; #d#?
232 270
233@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 271@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
234@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 272@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
235@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 273@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
236@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 274@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
… …
246 cf::client cf::player 284 cf::client cf::player
247 cf::arch cf::living 285 cf::arch cf::living
248 cf::map cf::mapspace 286 cf::map cf::mapspace
249 cf::party cf::region 287 cf::party cf::region
250)) { 288)) {
251 no strict 'refs';
252 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 289 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
253} 290}
254 291
255$EV::DIED = sub { 292$EV::DIED = sub {
256 warn "error in event callback: @_"; 293 warn "error in event callback: @_";
… …
298our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 335our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
299 336
300sub encode_json($) { $json_coder->encode ($_[0]) } 337sub encode_json($) { $json_coder->encode ($_[0]) }
301sub decode_json($) { $json_coder->decode ($_[0]) } 338sub decode_json($) { $json_coder->decode ($_[0]) }
302 339
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
303=item cf::lock_wait $string 354=item cf::lock_wait $string
304 355
305Wait until the given lock is available. See cf::lock_acquire. 356Wait until the given lock is available. See cf::lock_acquire.
306 357
307=item my $lock = cf::lock_acquire $string 358=item my $lock = cf::lock_acquire $string
308 359
309Wait 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
310a 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,
311for example when the coroutine gets canceled), the lock is automatically 362for example when the coroutine gets canceled), the lock is automatically
312returned. 363returned.
313 364
314Locks 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
315deadlocked coro. 366deadlocked coro.
… …
321 372
322Return 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.
323 374
324=cut 375=cut
325 376
326our %LOCK; 377our $LOCKS = new Coro::SemaphoreSet;
327our %LOCKER;#d#
328 378
329sub lock_wait($) { 379sub lock_wait($) {
330 my ($key) = @_; 380 $LOCKS->wait ($_[0]);
331
332 if ($LOCKER{$key} == $Coro::current) {#d#
333 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
334 return;#d#
335 }#d#
336
337 # wait for lock, if any
338 while ($LOCK{$key}) {
339 push @{ $LOCK{$key} }, $Coro::current;
340 Coro::schedule;
341 }
342} 381}
343 382
344sub lock_acquire($) { 383sub lock_acquire($) {
345 my ($key) = @_; 384 $LOCKS->guard ($_[0])
346
347 # wait, to be sure we are not locked
348 lock_wait $key;
349
350 $LOCK{$key} = [];
351 $LOCKER{$key} = $Coro::current;#d#
352
353 Coro::guard {
354 delete $LOCKER{$key};#d#
355 # wake up all waiters, to be on the safe side
356 $_->ready for @{ delete $LOCK{$key} };
357 }
358} 385}
359 386
360sub lock_active($) { 387sub lock_active($) {
361 my ($key) = @_; 388 $LOCKS->count ($_[0]) < 1
362
363 ! ! $LOCK{$key}
364} 389}
365 390
366sub freeze_mainloop { 391sub freeze_mainloop {
367 tick_inhibit_inc; 392 tick_inhibit_inc;
368 393
369 Coro::guard \&tick_inhibit_dec; 394 &Guard::guard (\&tick_inhibit_dec);
370} 395}
371 396
372=item cf::periodic $interval, $cb 397=item cf::periodic $interval, $cb
373 398
374Like 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
… …
726 751
727############################################################################# 752#############################################################################
728 753
729=head2 ATTACHABLE OBJECTS 754=head2 ATTACHABLE OBJECTS
730 755
731Many 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
732attach callbacks/event handlers (a collection of which is called an "attachment") 757attach callbacks/event handlers (a collection of which is called an "attachment")
733to it. All such attachable objects support the following methods. 758to it. All such attachable objects support the following methods.
734 759
735In 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>
736C<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
… …
786=item cf::CLASS::attachment $name, ... 811=item cf::CLASS::attachment $name, ...
787 812
788Register an attachment by C<$name> through which attachable objects of the 813Register an attachment by C<$name> through which attachable objects of the
789given CLASS can refer to this attachment. 814given CLASS can refer to this attachment.
790 815
791Some classes such as crossfire maps and objects can specify attachments 816Some classes such as deliantra maps and objects can specify attachments
792that are attached at load/instantiate time, thus the need for a name. 817that are attached at load/instantiate time, thus the need for a name.
793 818
794These calls expect any number of the following handler/hook descriptions: 819These calls expect any number of the following handler/hook descriptions:
795 820
796=over 4 821=over 4
… …
1087 1112
1088sub reattach { 1113sub reattach {
1089 # basically do the same as instantiate, without calling instantiate 1114 # basically do the same as instantiate, without calling instantiate
1090 my ($obj) = @_; 1115 my ($obj) = @_;
1091 1116
1117 # no longer needed after getting rid of delete_package?
1092 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
1093 1119
1094 my $registry = $obj->registry; 1120 my $registry = $obj->registry;
1095 1121
1096 @$registry = (); 1122 @$registry = ();
1097 1123
… …
1145 $decname, length $$rdata, scalar @$objs; 1171 $decname, length $$rdata, scalar @$objs;
1146 1172
1147 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1173 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1148 aio_chmod $fh, SAVE_MODE; 1174 aio_chmod $fh, SAVE_MODE;
1149 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1175 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1150 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 }
1151 aio_close $fh; 1180 aio_close $fh;
1152 1181
1153 if (@$objs) { 1182 if (@$objs) {
1154 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) {
1155 aio_chmod $fh, SAVE_MODE; 1184 aio_chmod $fh, SAVE_MODE;
1156 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs }; 1185 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1157 aio_write $fh, 0, (length $data), $data, 0; 1186 aio_write $fh, 0, (length $data), $data, 0;
1158 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 }
1159 aio_close $fh; 1191 aio_close $fh;
1160 aio_rename "$filename.pst~", "$filename.pst"; 1192 aio_rename "$filename.pst~", "$filename.pst";
1161 } 1193 }
1162 } else { 1194 } else {
1163 aio_unlink "$filename.pst"; 1195 aio_unlink "$filename.pst";
1164 } 1196 }
1165 1197
1166 aio_rename "$filename~", $filename; 1198 aio_rename "$filename~", $filename;
1199
1200 $filename =~ s%/[^/]+$%%;
1201 aio_pathsync $filename if $cf::USE_FSYNC;
1167 } else { 1202 } else {
1168 warn "FATAL: $filename~: $!\n"; 1203 warn "unable to save objects: $filename~: $!\n";
1169 } 1204 }
1170 } else { 1205 } else {
1171 aio_unlink $filename; 1206 aio_unlink $filename;
1172 aio_unlink "$filename.pst"; 1207 aio_unlink "$filename.pst";
1173 } 1208 }
… …
1264 my ($name, $cb) = @_; 1299 my ($name, $cb) = @_;
1265 1300
1266 $EXTICMD{$name} = $cb; 1301 $EXTICMD{$name} = $cb;
1267} 1302}
1268 1303
1304use File::Glob ();
1305
1269cf::player->attach ( 1306cf::player->attach (
1270 on_command => sub { 1307 on_command => sub {
1271 my ($pl, $name, $params) = @_; 1308 my ($pl, $name, $params) = @_;
1272 1309
1273 my $cb = $COMMAND{$name} 1310 my $cb = $COMMAND{$name}
… …
1305 1342
1306 cf::override; 1343 cf::override;
1307 }, 1344 },
1308); 1345);
1309 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
1310sub load_extensions { 1360sub load_extensions {
1311 cf::sync_job { 1361 cf::sync_job {
1312 my %todo; 1362 my %todo;
1313 1363
1314 for my $path (<$LIBDIR/*.ext>) { 1364 for my $path (<$LIBDIR/*.ext>) {
… …
1333 1383
1334 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1384 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1335 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1385 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1336 1386
1337 $ext{source} = 1387 $ext{source} =
1338 "package $pkg; use strict; use utf8;\n" 1388 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1339 . "#line 1 \"$path\"\n{\n" 1389 . "#line 1 \"$path\"\n{\n"
1340 . $source 1390 . $source
1341 . "\n};\n1"; 1391 . "\n};\n1";
1342 1392
1343 $todo{$base} = \%ext; 1393 $todo{$base} = \%ext;
… …
1383 1433
1384=back 1434=back
1385 1435
1386=head2 CORE EXTENSIONS 1436=head2 CORE EXTENSIONS
1387 1437
1388Functions and methods that extend core crossfire objects. 1438Functions and methods that extend core deliantra objects.
1389 1439
1390=cut 1440=cut
1391 1441
1392package cf::player; 1442package cf::player;
1393 1443
… …
1436 1486
1437sub exists($) { 1487sub exists($) {
1438 my ($login) = @_; 1488 my ($login) = @_;
1439 1489
1440 $cf::PLAYER{$login} 1490 $cf::PLAYER{$login}
1441 or cf::sync_job { !aio_stat path $login } 1491 or !aio_stat path $login
1442} 1492}
1443 1493
1444sub find($) { 1494sub find($) {
1445 return $cf::PLAYER{$_[0]} || do { 1495 return $cf::PLAYER{$_[0]} || do {
1446 my $login = $_[0]; 1496 my $login = $_[0];
… …
1521 my ($pl) = @_; 1571 my ($pl) = @_;
1522 1572
1523 my $name = $pl->ob->name; 1573 my $name = $pl->ob->name;
1524 1574
1525 $pl->{deny_save} = 1; 1575 $pl->{deny_save} = 1;
1526 $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
1527 1577
1528 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1578 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1529 $pl->deactivate; 1579 $pl->deactivate;
1530 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;
1531 $pl->ob->check_score; 1581 $pl->ob->check_score;
… …
1617 } 1667 }
1618 1668
1619 \@paths 1669 \@paths
1620} 1670}
1621 1671
1622=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1672=item $protocol_xml = $player->expand_cfpod ($cfpod)
1623 1673
1624Expand crossfire pod fragments into protocol xml. 1674Expand deliantra pod fragments into protocol xml.
1625
1626=cut
1627
1628use re 'eval';
1629
1630my $group;
1631my $interior; $interior = qr{
1632 # match a pod interior sequence sans C<< >>
1633 (?:
1634 \ (.*?)\ (?{ $group = $^N })
1635 | < (??{$interior}) >
1636 )
1637}x;
1638
1639sub expand_cfpod {
1640 my ($self, $pod) = @_;
1641
1642 my $xml;
1643
1644 while () {
1645 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1646 $group = $1;
1647
1648 $group =~ s/&/&amp;/g;
1649 $group =~ s/</&lt;/g;
1650
1651 $xml .= $group;
1652 } elsif ($pod =~ m%\G
1653 ([BCGHITU])
1654 <
1655 (?:
1656 ([^<>]*) (?{ $group = $^N })
1657 | < $interior >
1658 )
1659 >
1660 %gcsx
1661 ) {
1662 my ($code, $data) = ($1, $group);
1663
1664 if ($code eq "B") {
1665 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1666 } elsif ($code eq "I") {
1667 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1668 } elsif ($code eq "U") {
1669 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1670 } elsif ($code eq "C") {
1671 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1672 } elsif ($code eq "T") {
1673 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1674 } elsif ($code eq "G") {
1675 my ($male, $female) = split /\|/, $data;
1676 $data = $self->gender ? $female : $male;
1677 $xml .= expand_cfpod ($self, $data);
1678 } elsif ($code eq "H") {
1679 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1680 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1681 "")
1682 [$self->{hintmode}];
1683 } else {
1684 $xml .= "error processing '$code($data)' directive";
1685 }
1686 } else {
1687 if ($pod =~ /\G(.+)/) {
1688 warn "parse error while expanding $pod (at $1)";
1689 }
1690 last;
1691 }
1692 }
1693
1694 for ($xml) {
1695 # create single paragraphs (very hackish)
1696 s/(?<=\S)\n(?=\w)/ /g;
1697
1698 # compress some whitespace
1699 s/\s+\n/\n/g; # ws line-ends
1700 s/\n\n+/\n/g; # double lines
1701 s/^\n+//; # beginning lines
1702 s/\n+$//; # ending lines
1703 }
1704
1705 $xml
1706}
1707
1708no re 'eval';
1709
1710sub hintmode {
1711 $_[0]{hintmode} = $_[1] if @_ > 1;
1712 $_[0]{hintmode}
1713}
1714 1675
1715=item $player->ext_reply ($msgid, @msg) 1676=item $player->ext_reply ($msgid, @msg)
1716 1677
1717Sends an ext reply to the player. 1678Sends an ext reply to the player.
1718 1679
… …
1931 1892
1932 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go; 1893 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1933 "$UNIQUEDIR/$path" 1894 "$UNIQUEDIR/$path"
1934} 1895}
1935 1896
1936# and all this just because we cannot iterate over
1937# all maps in C++...
1938sub change_all_map_light {
1939 my ($change) = @_;
1940
1941 $_->change_map_light ($change)
1942 for grep $_->outdoor, values %cf::MAP;
1943}
1944
1945sub decay_objects { 1897sub decay_objects {
1946 my ($self) = @_; 1898 my ($self) = @_;
1947 1899
1948 return if $self->{deny_reset}; 1900 return if $self->{deny_reset};
1949 1901
… …
2031sub find { 1983sub find {
2032 my ($path, $origin) = @_; 1984 my ($path, $origin) = @_;
2033 1985
2034 $path = normalise $path, $origin && $origin->path; 1986 $path = normalise $path, $origin && $origin->path;
2035 1987
2036 cf::lock_wait "map_data:$path";#d#remove 1988 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2037 cf::lock_wait "map_find:$path"; 1989 my $guard2 = cf::lock_acquire "map_find:$path";
2038 1990
2039 $cf::MAP{$path} || do { 1991 $cf::MAP{$path} || do {
2040 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2041 my $guard2 = cf::lock_acquire "map_find:$path";
2042
2043 my $map = new_from_path cf::map $path 1992 my $map = new_from_path cf::map $path
2044 or return; 1993 or return;
2045 1994
2046 $map->{last_save} = $cf::RUNTIME; 1995 $map->{last_save} = $cf::RUNTIME;
2047 1996
… …
2115 unless ($self->{deny_activate}) { 2064 unless ($self->{deny_activate}) {
2116 $self->decay_objects; 2065 $self->decay_objects;
2117 $self->fix_auto_apply; 2066 $self->fix_auto_apply;
2118 $self->update_buttons; 2067 $self->update_buttons;
2119 cf::cede_to_tick; 2068 cf::cede_to_tick;
2120 $self->set_darkness_map;
2121 cf::cede_to_tick;
2122 $self->activate; 2069 $self->activate;
2123 } 2070 }
2124 2071
2125 $self->{last_save} = $cf::RUNTIME; 2072 $self->{last_save} = $cf::RUNTIME;
2126 $self->last_access ($cf::RUNTIME); 2073 $self->last_access ($cf::RUNTIME);
… …
2292 2239
2293 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2240 my $lock = cf::lock_acquire "map_data:$self->{path}";
2294 2241
2295 return if $self->players; 2242 return if $self->players;
2296 2243
2297 warn "resetting map ", $self->path; 2244 warn "resetting map ", $self->path, "\n";
2298 2245
2299 $self->in_memory (cf::MAP_SWAPPED); 2246 $self->in_memory (cf::MAP_SWAPPED);
2300 2247
2301 # need to save uniques path 2248 # need to save uniques path
2302 unless ($self->{deny_save}) { 2249 unless ($self->{deny_save}) {
… …
2467 2414
2468our $SAY_CHANNEL = { 2415our $SAY_CHANNEL = {
2469 id => "say", 2416 id => "say",
2470 title => "Map", 2417 title => "Map",
2471 reply => "say ", 2418 reply => "say ",
2472 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.",
2473}; 2420};
2474 2421
2475our $CHAT_CHANNEL = { 2422our $CHAT_CHANNEL = {
2476 id => "chat", 2423 id => "chat",
2477 title => "Chat", 2424 title => "Chat",
… …
2532 2479
2533=item $player_object->enter_link 2480=item $player_object->enter_link
2534 2481
2535Freezes 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}>).
2536 2483
2537The 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.
2538I<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.
2539 2488
2540Will never block. 2489Will never block.
2541 2490
2542=item $player_object->leave_link ($map, $x, $y) 2491=item $player_object->leave_link ($map, $x, $y)
2543 2492
… …
2601 2550
2602 $map->load; 2551 $map->load;
2603 $map->load_neighbours; 2552 $map->load_neighbours;
2604 2553
2605 return unless $self->contr->active; 2554 return unless $self->contr->active;
2606 $self->activate_recursive;
2607 2555
2608 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2556 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2609 $self->enter_map ($map, $x, $y); 2557 $self->enter_map ($map, $x, $y);
2558
2559 # only activate afterwards, to support waiting in hooks
2560 $self->activate_recursive;
2610} 2561}
2611 2562
2612=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2563=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2613 2564
2614Moves 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
… …
2773 $self->contr->savebed ($map, $x, $y) 2724 $self->contr->savebed ($map, $x, $y)
2774 if $exit->flag (cf::FLAG_DAMNED); 2725 if $exit->flag (cf::FLAG_DAMNED);
2775 2726
2776 1 2727 1
2777 }) { 2728 }) {
2778 $self->message ("Something went wrong deep within the crossfire server. " 2729 $self->message ("Something went wrong deep within the deliantra server. "
2779 . "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. "
2780 . "Please report this to the dungeon master!", 2731 . "Please report this to the dungeon master!",
2781 cf::NDI_UNIQUE | cf::NDI_RED); 2732 cf::NDI_UNIQUE | cf::NDI_RED);
2782 2733
2783 warn "ERROR in enter_exit: $@"; 2734 warn "ERROR in enter_exit: $@";
… …
2849 id => "infobox", 2800 id => "infobox",
2850 title => "Body Parts", 2801 title => "Body Parts",
2851 reply => undef, 2802 reply => undef,
2852 tooltip => "Shows which body parts you posess and are available", 2803 tooltip => "Shows which body parts you posess and are available",
2853 }, 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 },
2854 "c/uptime" => { 2841 "c/uptime" => {
2855 id => "infobox", 2842 id => "infobox",
2856 title => "Uptime", 2843 title => "Uptime",
2857 reply => undef, 2844 reply => undef,
2858 tooltip => "How long the server has been running since last restart", 2845 tooltip => "How long the server has been running since last restart",
… …
2867 id => "party", 2854 id => "party",
2868 title => "Party", 2855 title => "Party",
2869 reply => "gsay ", 2856 reply => "gsay ",
2870 tooltip => "Messages and chat related to your party", 2857 tooltip => "Messages and chat related to your party",
2871 }, 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" => $CHAT_CHANNEL,
2872); 2867);
2873 2868
2874sub cf::client::send_msg { 2869sub cf::client::send_msg {
2875 my ($self, $channel, $msg, $color, @extra) = @_; 2870 my ($self, $channel, $msg, $color, @extra) = @_;
2876 2871
2877 $msg = $self->pl->expand_cfpod ($msg); 2872 $msg = $self->pl->expand_cfpod ($msg)
2873 unless $color & cf::NDI_VERBATIM;
2878 2874
2879 $color &= cf::NDI_CLIENT_MASK; # just in case... 2875 $color &= cf::NDI_CLIENT_MASK; # just in case...
2880 2876
2881 # check predefined channels, for the benefit of C 2877 # check predefined channels, for the benefit of C
2882 if ($CHANNEL{$channel}) { 2878 if ($CHANNEL{$channel}) {
2883 $channel = $CHANNEL{$channel}; 2879 $channel = $CHANNEL{$channel};
2884 2880
2885 $self->ext_msg (channel_info => $channel) 2881 $self->ext_msg (channel_info => $channel);
2886 if $self->can_msg;
2887
2888 $channel = $channel->{id}; 2882 $channel = $channel->{id};
2889 2883
2890 } elsif (ref $channel) { 2884 } elsif (ref $channel) {
2891 # send meta info to client, if not yet sent 2885 # send meta info to client, if not yet sent
2892 unless (exists $self->{channel}{$channel->{id}}) { 2886 unless (exists $self->{channel}{$channel->{id}}) {
2893 $self->{channel}{$channel->{id}} = $channel; 2887 $self->{channel}{$channel->{id}} = $channel;
2894 $self->ext_msg (channel_info => $channel) 2888 $self->ext_msg (channel_info => $channel);
2895 if $self->can_msg;
2896 } 2889 }
2897 2890
2898 $channel = $channel->{id}; 2891 $channel = $channel->{id};
2899 } 2892 }
2900 2893
2901 return unless @extra || length $msg; 2894 return unless @extra || length $msg;
2902 2895
2903 if ($self->can_msg) {
2904 # default colour, mask it out 2896 # default colour, mask it out
2905 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2897 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2906 if $color & cf::NDI_DEF; 2898 if $color & cf::NDI_DEF;
2907 2899
2908 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2900 my $pkt = "msg "
2901 . $self->{json_coder}->encode (
2909 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2902 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2910 } else { 2903 );
2911 if ($color >= 0) {
2912 # replace some tags by gcfclient-compatible ones
2913 for ($msg) {
2914 1 while
2915 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2916 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2917 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2918 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2919 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2920 }
2921 2904
2922 $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};
2923 2908
2924 utf8::encode $msg; 2909 # split very large packets
2925 2910 if (8192 < length $pkt and $self->{can_lzf}) {
2926 if (0 && $msg =~ /\[/) { 2911 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2927 # COMMAND/INFO 2912 $pkt = "frag";
2928 $self->send_packet ("drawextinfo $color 10 8 $msg")
2929 } else {
2930 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2931 $self->send_packet ("drawinfo $color $msg")
2932 }
2933 }
2934 } 2913 }
2914
2915 $self->send_packet ($pkt);
2935} 2916}
2936 2917
2937=item $client->ext_msg ($type, @msg) 2918=item $client->ext_msg ($type, @msg)
2938 2919
2939Sends an ext event to the client. 2920Sends an ext event to the client.
… …
3114The following functions and methods are available within a safe environment: 3095The following functions and methods are available within a safe environment:
3115 3096
3116 cf::object 3097 cf::object
3117 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
3118 insert remove name archname title slaying race decrease split 3099 insert remove name archname title slaying race decrease split
3100 value
3119 3101
3120 cf::object::player 3102 cf::object::player
3121 player 3103 player
3122 3104
3123 cf::player 3105 cf::player
… …
3129=cut 3111=cut
3130 3112
3131for ( 3113for (
3132 ["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
3133 insert remove inv nrof name archname title slaying race 3115 insert remove inv nrof name archname title slaying race
3134 decrease split destroy change_exp)], 3116 decrease split destroy change_exp value msg lore send_msg)],
3135 ["cf::object::player" => qw(player)], 3117 ["cf::object::player" => qw(player)],
3136 ["cf::player" => qw(peaceful)], 3118 ["cf::player" => qw(peaceful send_msg)],
3137 ["cf::map" => qw(trigger)], 3119 ["cf::map" => qw(trigger)],
3138) { 3120) {
3139 no strict 'refs'; 3121 no strict 'refs';
3140 my ($pkg, @funs) = @$_; 3122 my ($pkg, @funs) = @$_;
3141 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3123 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
3158 my ($code, %vars) = @_; 3140 my ($code, %vars) = @_;
3159 3141
3160 my $qcode = $code; 3142 my $qcode = $code;
3161 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3143 $qcode =~ s/"/‟/g; # not allowed in #line filenames
3162 $qcode =~ s/\n/\\n/g; 3144 $qcode =~ s/\n/\\n/g;
3145
3146 %vars = (_dummy => 0) unless %vars;
3163 3147
3164 local $_; 3148 local $_;
3165 local @safe::cf::_safe_eval_args = values %vars; 3149 local @safe::cf::_safe_eval_args = values %vars;
3166 3150
3167 my $eval = 3151 my $eval =
… …
3397 reload_treasures; 3381 reload_treasures;
3398 3382
3399 warn "finished reloading resource files\n"; 3383 warn "finished reloading resource files\n";
3400} 3384}
3401 3385
3402sub init {
3403 my $guard = freeze_mainloop;
3404
3405 evthread_start IO::AIO::poll_fileno;
3406
3407 reload_resources;
3408}
3409
3410sub reload_config { 3386sub reload_config {
3411 open my $fh, "<:utf8", "$CONFDIR/config" 3387 open my $fh, "<:utf8", "$CONFDIR/config"
3412 or return; 3388 or return;
3413 3389
3414 local $/; 3390 local $/;
… …
3426 }; 3402 };
3427 warn $@ if $@; 3403 warn $@ if $@;
3428 } 3404 }
3429} 3405}
3430 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
3431sub 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
3432 # we must not ever block the main coroutine 3450 # we must not ever block the main coroutine
3433 local $Coro::idle = sub { 3451 local $Coro::idle = sub {
3434 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#
3435 (async { 3453 (async {
3436 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3454 $Coro::current->{desc} = "IDLE BUG HANDLER";
3437 EV::loop EV::LOOP_ONESHOT; 3455 EV::loop EV::LOOP_ONESHOT;
3438 })->prio (Coro::PRIO_MAX); 3456 })->prio (Coro::PRIO_MAX);
3439 }; 3457 };
3440 3458
3441 { 3459 evthread_start IO::AIO::poll_fileno;
3442 my $guard = freeze_mainloop; 3460
3461 cf::sync_job {
3462 reload_resources;
3443 reload_config; 3463 reload_config;
3444 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
3445 load_extensions; 3477 load_extensions;
3446 3478
3447 $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;
3448 } 3486 };
3449 3487
3450 EV::loop; 3488 main_loop;
3451} 3489}
3452 3490
3453############################################################################# 3491#############################################################################
3454# initialisation and cleanup 3492# initialisation and cleanup
3455 3493
… …
3462 }; 3500 };
3463 } 3501 }
3464} 3502}
3465 3503
3466sub write_runtime_sync { 3504sub write_runtime_sync {
3467 my $runtime = "$LOCALDIR/runtime";
3468
3469 # first touch the runtime file to show we are still running: 3505 # first touch the runtime file to show we are still running:
3470 # the fsync below can take a very very long time. 3506 # the fsync below can take a very very long time.
3471 3507
3472 IO::AIO::aio_utime $runtime, undef, undef; 3508 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3473 3509
3474 my $guard = cf::lock_acquire "write_runtime"; 3510 my $guard = cf::lock_acquire "write_runtime";
3475 3511
3476 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3512 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3477 or return; 3513 or return;
3478 3514
3479 my $value = $cf::RUNTIME + 90 + 10; 3515 my $value = $cf::RUNTIME + 90 + 10;
3480 # 10 is the runtime save interval, for a monotonic clock 3516 # 10 is the runtime save interval, for a monotonic clock
3481 # 60 allows for the watchdog to kill the server. 3517 # 60 allows for the watchdog to kill the server.
… …
3491 aio_utime $fh, undef, undef; 3527 aio_utime $fh, undef, undef;
3492 3528
3493 close $fh 3529 close $fh
3494 or return; 3530 or return;
3495 3531
3496 aio_rename "$runtime~", $runtime 3532 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3497 and return; 3533 and return;
3498 3534
3499 warn "runtime file written.\n"; 3535 warn "runtime file written.\n";
3500 3536
3501 1 3537 1
… …
3513 my $uuid = "$LOCALDIR/uuid"; 3549 my $uuid = "$LOCALDIR/uuid";
3514 3550
3515 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644 3551 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3516 or return; 3552 or return;
3517 3553
3518 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;
3519 $uuid_skip = 0; 3562 $uuid_skip = 0;
3520 3563
3521 (aio_write $fh, 0, (length $value), $value, 0) <= 0 3564 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3522 and return; 3565 and return;
3523 3566
… …
3545} 3588}
3546 3589
3547sub emergency_save() { 3590sub emergency_save() {
3548 my $freeze_guard = cf::freeze_mainloop; 3591 my $freeze_guard = cf::freeze_mainloop;
3549 3592
3550 warn "enter emergency perl save\n"; 3593 warn "emergency_perl_save: enter\n";
3551 3594
3552 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
3553 # use a peculiar iteration method to avoid tripping on perl 3601 # use a peculiar iteration method to avoid tripping on perl
3554 # refcount bugs in for. also avoids problems with players 3602 # refcount bugs in for. also avoids problems with players
3555 # and maps saved/destroyed asynchronously. 3603 # and maps saved/destroyed asynchronously.
3556 warn "begin emergency player save\n"; 3604 warn "emergency_perl_save: begin player save\n";
3557 for my $login (keys %cf::PLAYER) { 3605 for my $login (keys %cf::PLAYER) {
3558 my $pl = $cf::PLAYER{$login} or next; 3606 my $pl = $cf::PLAYER{$login} or next;
3559 $pl->valid or next; 3607 $pl->valid or next;
3560 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3608 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3561 $pl->save; 3609 $pl->save;
3562 } 3610 }
3563 warn "end emergency player save\n"; 3611 warn "emergency_perl_save: end player save\n";
3564 3612
3565 warn "begin emergency map save\n"; 3613 warn "emergency_perl_save: begin map save\n";
3566 for my $path (keys %cf::MAP) { 3614 for my $path (keys %cf::MAP) {
3567 my $map = $cf::MAP{$path} or next; 3615 my $map = $cf::MAP{$path} or next;
3568 $map->valid or next; 3616 $map->valid or next;
3569 $map->save; 3617 $map->save;
3570 } 3618 }
3571 warn "end emergency map save\n"; 3619 warn "emergency_perl_save: end map save\n";
3572 3620
3573 warn "begin emergency database checkpoint\n"; 3621 warn "emergency_perl_save: begin database checkpoint\n";
3574 BDB::db_env_txn_checkpoint $DB_ENV; 3622 BDB::db_env_txn_checkpoint $DB_ENV;
3575 warn "end emergency database checkpoint\n"; 3623 warn "emergency_perl_save: end database checkpoint\n";
3576 3624
3577 warn "begin write uuid\n"; 3625 warn "emergency_perl_save: begin write uuid\n";
3578 write_uuid_sync 1; 3626 write_uuid_sync 1;
3579 warn "end write uuid\n"; 3627 warn "emergency_perl_save: end write uuid\n";
3580 }; 3628 };
3581 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
3582 warn "leave emergency perl save\n"; 3635 warn "emergency_perl_save: leave\n";
3583} 3636}
3584 3637
3585sub post_cleanup { 3638sub post_cleanup {
3586 my ($make_core) = @_; 3639 my ($make_core) = @_;
3587 3640
3588 warn Carp::longmess "post_cleanup backtrace" 3641 warn Carp::longmess "post_cleanup backtrace"
3589 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 $pkg\n";#d#
3590} 3672}
3591 3673
3592sub do_reload_perl() { 3674sub do_reload_perl() {
3593 # can/must only be called in main 3675 # can/must only be called in main
3594 if ($Coro::current != $Coro::main) { 3676 if ($Coro::current != $Coro::main) {
3595 warn "can only reload from main coroutine"; 3677 warn "can only reload from main coroutine";
3596 return; 3678 return;
3597 } 3679 }
3598 3680
3681 return if $RELOAD++;
3682
3683 my $t1 = EV::time;
3684
3685 while ($RELOAD) {
3599 warn "reloading..."; 3686 warn "reloading...";
3600 3687
3601 warn "entering sync_job"; 3688 warn "entering sync_job";
3602 3689
3603 cf::sync_job { 3690 cf::sync_job {
3604 cf::write_runtime_sync; # external watchdog should not bark 3691 cf::write_runtime_sync; # external watchdog should not bark
3605 cf::emergency_save; 3692 cf::emergency_save;
3606 cf::write_runtime_sync; # external watchdog should not bark 3693 cf::write_runtime_sync; # external watchdog should not bark
3607 3694
3608 warn "syncing database to disk"; 3695 warn "syncing database to disk";
3609 BDB::db_env_txn_checkpoint $DB_ENV; 3696 BDB::db_env_txn_checkpoint $DB_ENV;
3610 3697
3611 # if anything goes wrong in here, we should simply crash as we already saved 3698 # if anything goes wrong in here, we should simply crash as we already saved
3612 3699
3613 warn "flushing outstanding aio requests"; 3700 warn "flushing outstanding aio requests";
3614 for (;;) {
3615 BDB::flush;
3616 IO::AIO::flush;
3617 Coro::cede_notself;
3618 last unless IO::AIO::nreqs || BDB::nreqs; 3701 while (IO::AIO::nreqs || BDB::nreqs) {
3619 warn "iterate..."; 3702 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3620 }
3621
3622 ++$RELOAD;
3623
3624 warn "cancelling all extension coros";
3625 $_->cancel for values %EXT_CORO;
3626 %EXT_CORO = ();
3627
3628 warn "removing commands";
3629 %COMMAND = ();
3630
3631 warn "removing ext/exti commands";
3632 %EXTCMD = ();
3633 %EXTICMD = ();
3634
3635 warn "unloading/nuking all extensions";
3636 for my $pkg (@EXTS) {
3637 warn "... unloading $pkg";
3638
3639 if (my $cb = $pkg->can ("unload")) {
3640 eval {
3641 $cb->($pkg);
3642 1
3643 } or warn "$pkg unloaded, but with errors: $@";
3644 } 3703 }
3645 3704
3646 warn "... nuking $pkg"; 3705 warn "cancelling all extension coros";
3647 Symbol::delete_package $pkg; 3706 $_->cancel for values %EXT_CORO;
3648 } 3707 %EXT_CORO = ();
3649 3708
3650 warn "unloading all perl modules loaded from $LIBDIR"; 3709 warn "removing commands";
3651 while (my ($k, $v) = each %INC) { 3710 %COMMAND = ();
3652 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3653 3711
3712 warn "removing ext/exti commands";
3713 %EXTCMD = ();
3714 %EXTICMD = ();
3715
3716 warn "unloading/nuking all extensions";
3717 for my $pkg (@EXTS) {
3654 warn "... unloading $k"; 3718 warn "... unloading $pkg";
3655 delete $INC{$k};
3656 3719
3657 $k =~ s/\.pm$//;
3658 $k =~ s/\//::/g;
3659
3660 if (my $cb = $k->can ("unload_module")) { 3720 if (my $cb = $pkg->can ("unload")) {
3721 eval {
3661 $cb->(); 3722 $cb->($pkg);
3723 1
3724 } or warn "$pkg unloaded, but with errors: $@";
3725 }
3726
3727 warn "... clearing $pkg";
3728 clear_package $pkg;
3662 } 3729 }
3663 3730
3664 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 $k;
3665 } 3746 }
3666 3747
3667 warn "getting rid of safe::, as good as possible"; 3748 warn "getting rid of safe::, as good as possible";
3668 Symbol::delete_package "safe::$_" 3749 clear_package "safe::$_"
3669 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);
3670 3751
3671 warn "unloading cf.pm \"a bit\""; 3752 warn "unloading cf.pm \"a bit\"";
3672 delete $INC{"cf.pm"}; 3753 delete $INC{"cf.pm"};
3673 delete $INC{"cf/pod.pm"}; 3754 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3674 3755
3675 # don't, removes xs symbols, too, 3756 # don't, removes xs symbols, too,
3676 # and global variables created in xs 3757 # and global variables created in xs
3677 #Symbol::delete_package __PACKAGE__; 3758 #clear_package __PACKAGE__;
3678 3759
3679 warn "unload completed, starting to reload now"; 3760 warn "unload completed, starting to reload now";
3680 3761
3681 warn "reloading cf.pm"; 3762 warn "reloading cf.pm";
3682 require cf; 3763 require cf;
3683 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3764 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3684 3765
3685 warn "loading config and database again"; 3766 warn "loading config and database again";
3686 cf::reload_config; 3767 cf::reload_config;
3687 3768
3688 warn "loading extensions"; 3769 warn "loading extensions";
3689 cf::load_extensions; 3770 cf::load_extensions;
3690 3771
3772 if ($REATTACH_ON_RELOAD) {
3691 warn "reattaching attachments to objects/players"; 3773 warn "reattaching attachments to objects/players";
3692 _global_reattach; # objects, sockets 3774 _global_reattach; # objects, sockets
3693 warn "reattaching attachments to maps"; 3775 warn "reattaching attachments to maps";
3694 reattach $_ for values %MAP; 3776 reattach $_ for values %MAP;
3695 warn "reattaching attachments to players"; 3777 warn "reattaching attachments to players";
3696 reattach $_ for values %PLAYER; 3778 reattach $_ for values %PLAYER;
3779 }
3697 3780
3781 warn "running post_init jobs";
3782 (pop @POST_INIT)->(1) while @POST_INIT;
3783
3698 warn "leaving sync_job"; 3784 warn "leaving sync_job";
3699 3785
3700 1 3786 1
3701 } or do { 3787 } or do {
3702 warn $@; 3788 warn $@;
3703 cf::cleanup "error while reloading, exiting."; 3789 cf::cleanup "error while reloading, exiting.";
3704 }; 3790 };
3705 3791
3706 warn "reloaded"; 3792 warn "reloaded";
3793 --$RELOAD;
3794 }
3795
3796 $t1 = EV::time - $t1;
3797 warn "reload completed in ${t1}s\n";
3707}; 3798};
3708 3799
3709our $RELOAD_WATCHER; # used only during reload 3800our $RELOAD_WATCHER; # used only during reload
3710 3801
3711sub reload_perl() { 3802sub reload_perl() {
3712 # doing reload synchronously and two reloads happen back-to-back, 3803 # doing reload synchronously and two reloads happen back-to-back,
3713 # coro crashes during coro_state_free->destroy here. 3804 # coro crashes during coro_state_free->destroy here.
3714 3805
3806 $RELOAD_WATCHER ||= cf::async {
3807 Coro::AIO::aio_wait cache_extensions;
3808
3715 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3809 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3716 do_reload_perl; 3810 do_reload_perl;
3717 undef $RELOAD_WATCHER; 3811 undef $RELOAD_WATCHER;
3812 };
3718 }; 3813 };
3719} 3814}
3720 3815
3721register_command "reload" => sub { 3816register_command "reload" => sub {
3722 my ($who, $arg) = @_; 3817 my ($who, $arg) = @_;
… …
3848 $msg =~ s/\n//; 3943 $msg =~ s/\n//;
3849 3944
3850 # limit the # of concurrent backtraces 3945 # limit the # of concurrent backtraces
3851 if ($_log_backtrace < 2) { 3946 if ($_log_backtrace < 2) {
3852 ++$_log_backtrace; 3947 ++$_log_backtrace;
3948 my $perl_bt = Carp::longmess $msg;
3853 async { 3949 async {
3854 $Coro::current->{desc} = "abt $msg"; 3950 $Coro::current->{desc} = "abt $msg";
3855 3951
3856 my @bt = fork_call { 3952 my @bt = fork_call {
3857 @addr = map { sprintf "%x", $_ } @addr; 3953 @addr = map { sprintf "%x", $_ } @addr;
… …
3868 } 3964 }
3869 3965
3870 @funcs 3966 @funcs
3871 }; 3967 };
3872 3968
3873 LOG llevInfo, "[ABT] $msg\n"; 3969 LOG llevInfo, "[ABT] $perl_bt\n";
3970 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3874 LOG llevInfo, "[ABT] $_\n" for @bt; 3971 LOG llevInfo, "[ABT] $_\n" for @bt;
3875 --$_log_backtrace; 3972 --$_log_backtrace;
3876 }; 3973 };
3877 } else { 3974 } else {
3878 LOG llevInfo, "[ABT] $msg\n"; 3975 LOG llevInfo, "[ABT] $msg\n";
3879 LOG llevInfo, "[ABT] [suppressed]\n"; 3976 LOG llevInfo, "[ABT] [suppressed]\n";
3880 } 3977 }
3881} 3978}
3882 3979
3883# load additional modules 3980# load additional modules
3884use cf::pod; 3981require "cf/$_.pm" for @EXTRA_MODULES;
3885 3982
3886END { cf::emergency_save } 3983END { cf::emergency_save }
3887 3984
38881 39851
3889 3986

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