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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.438 by elmex, Sun Jul 13 20:15:51 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';
… …
243for my $pkg (qw( 281for my $pkg (qw(
244 cf::global cf::attachable 282 cf::global cf::attachable
245 cf::object cf::object::player 283 cf::object cf::object::player
246 cf::client cf::player 284 cf::client cf::player
247 cf::arch cf::living 285 cf::arch cf::living
286 cf::map cf::mapspace
248 cf::map cf::party cf::region 287 cf::party cf::region
249)) { 288)) {
250 no strict 'refs';
251 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 289 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
252} 290}
253 291
254$EV::DIED = sub { 292$EV::DIED = sub {
255 warn "error in event callback: @_"; 293 warn "error in event callback: @_";
… …
297our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 335our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
298 336
299sub encode_json($) { $json_coder->encode ($_[0]) } 337sub encode_json($) { $json_coder->encode ($_[0]) }
300sub decode_json($) { $json_coder->decode ($_[0]) } 338sub decode_json($) { $json_coder->decode ($_[0]) }
301 339
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
302=item cf::lock_wait $string 354=item cf::lock_wait $string
303 355
304Wait until the given lock is available. See cf::lock_acquire. 356Wait until the given lock is available. See cf::lock_acquire.
305 357
306=item my $lock = cf::lock_acquire $string 358=item my $lock = cf::lock_acquire $string
307 359
308Wait 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
309a 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,
310for example when the coroutine gets canceled), the lock is automatically 362for example when the coroutine gets canceled), the lock is automatically
311returned. 363returned.
312 364
313Locks 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
314deadlocked coro. 366deadlocked coro.
… …
320 372
321Return 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.
322 374
323=cut 375=cut
324 376
325our %LOCK; 377our $LOCKS = new Coro::SemaphoreSet;
326our %LOCKER;#d#
327 378
328sub lock_wait($) { 379sub lock_wait($) {
329 my ($key) = @_; 380 $LOCKS->wait ($_[0]);
330
331 if ($LOCKER{$key} == $Coro::current) {#d#
332 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
333 return;#d#
334 }#d#
335
336 # wait for lock, if any
337 while ($LOCK{$key}) {
338 push @{ $LOCK{$key} }, $Coro::current;
339 Coro::schedule;
340 }
341} 381}
342 382
343sub lock_acquire($) { 383sub lock_acquire($) {
344 my ($key) = @_; 384 $LOCKS->guard ($_[0])
345
346 # wait, to be sure we are not locked
347 lock_wait $key;
348
349 $LOCK{$key} = [];
350 $LOCKER{$key} = $Coro::current;#d#
351
352 Coro::guard {
353 delete $LOCKER{$key};#d#
354 # wake up all waiters, to be on the safe side
355 $_->ready for @{ delete $LOCK{$key} };
356 }
357} 385}
358 386
359sub lock_active($) { 387sub lock_active($) {
360 my ($key) = @_; 388 $LOCKS->count ($_[0]) < 1
361
362 ! ! $LOCK{$key}
363} 389}
364 390
365sub freeze_mainloop { 391sub freeze_mainloop {
366 tick_inhibit_inc; 392 tick_inhibit_inc;
367 393
368 Coro::guard \&tick_inhibit_dec; 394 &Guard::guard (\&tick_inhibit_dec);
369} 395}
370 396
371=item cf::periodic $interval, $cb 397=item cf::periodic $interval, $cb
372 398
373Like 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
… …
725 751
726############################################################################# 752#############################################################################
727 753
728=head2 ATTACHABLE OBJECTS 754=head2 ATTACHABLE OBJECTS
729 755
730Many 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
731attach callbacks/event handlers (a collection of which is called an "attachment") 757attach callbacks/event handlers (a collection of which is called an "attachment")
732to it. All such attachable objects support the following methods. 758to it. All such attachable objects support the following methods.
733 759
734In 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>
735C<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
… …
785=item cf::CLASS::attachment $name, ... 811=item cf::CLASS::attachment $name, ...
786 812
787Register an attachment by C<$name> through which attachable objects of the 813Register an attachment by C<$name> through which attachable objects of the
788given CLASS can refer to this attachment. 814given CLASS can refer to this attachment.
789 815
790Some classes such as crossfire maps and objects can specify attachments 816Some classes such as deliantra maps and objects can specify attachments
791that are attached at load/instantiate time, thus the need for a name. 817that are attached at load/instantiate time, thus the need for a name.
792 818
793These calls expect any number of the following handler/hook descriptions: 819These calls expect any number of the following handler/hook descriptions:
794 820
795=over 4 821=over 4
… …
1086 1112
1087sub reattach { 1113sub reattach {
1088 # basically do the same as instantiate, without calling instantiate 1114 # basically do the same as instantiate, without calling instantiate
1089 my ($obj) = @_; 1115 my ($obj) = @_;
1090 1116
1117 # no longer needed after getting rid of delete_package?
1091 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
1092 1119
1093 my $registry = $obj->registry; 1120 my $registry = $obj->registry;
1094 1121
1095 @$registry = (); 1122 @$registry = ();
1096 1123
… …
1144 $decname, length $$rdata, scalar @$objs; 1171 $decname, length $$rdata, scalar @$objs;
1145 1172
1146 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1173 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1147 aio_chmod $fh, SAVE_MODE; 1174 aio_chmod $fh, SAVE_MODE;
1148 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1175 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1149 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 }
1150 aio_close $fh; 1180 aio_close $fh;
1151 1181
1152 if (@$objs) { 1182 if (@$objs) {
1153 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) {
1154 aio_chmod $fh, SAVE_MODE; 1184 aio_chmod $fh, SAVE_MODE;
1155 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs }; 1185 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1156 aio_write $fh, 0, (length $data), $data, 0; 1186 aio_write $fh, 0, (length $data), $data, 0;
1157 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 }
1158 aio_close $fh; 1191 aio_close $fh;
1159 aio_rename "$filename.pst~", "$filename.pst"; 1192 aio_rename "$filename.pst~", "$filename.pst";
1160 } 1193 }
1161 } else { 1194 } else {
1162 aio_unlink "$filename.pst"; 1195 aio_unlink "$filename.pst";
1163 } 1196 }
1164 1197
1165 aio_rename "$filename~", $filename; 1198 aio_rename "$filename~", $filename;
1199
1200 $filename =~ s%/[^/]+$%%;
1201 aio_pathsync $filename if $cf::USE_FSYNC;
1166 } else { 1202 } else {
1167 warn "FATAL: $filename~: $!\n"; 1203 warn "unable to save objects: $filename~: $!\n";
1168 } 1204 }
1169 } else { 1205 } else {
1170 aio_unlink $filename; 1206 aio_unlink $filename;
1171 aio_unlink "$filename.pst"; 1207 aio_unlink "$filename.pst";
1172 } 1208 }
… …
1263 my ($name, $cb) = @_; 1299 my ($name, $cb) = @_;
1264 1300
1265 $EXTICMD{$name} = $cb; 1301 $EXTICMD{$name} = $cb;
1266} 1302}
1267 1303
1304use File::Glob ();
1305
1268cf::player->attach ( 1306cf::player->attach (
1269 on_command => sub { 1307 on_command => sub {
1270 my ($pl, $name, $params) = @_; 1308 my ($pl, $name, $params) = @_;
1271 1309
1272 my $cb = $COMMAND{$name} 1310 my $cb = $COMMAND{$name}
… …
1304 1342
1305 cf::override; 1343 cf::override;
1306 }, 1344 },
1307); 1345);
1308 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
1309sub load_extensions { 1360sub load_extensions {
1310 cf::sync_job { 1361 cf::sync_job {
1311 my %todo; 1362 my %todo;
1312 1363
1313 for my $path (<$LIBDIR/*.ext>) { 1364 for my $path (<$LIBDIR/*.ext>) {
… …
1332 1383
1333 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1384 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1334 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1385 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1335 1386
1336 $ext{source} = 1387 $ext{source} =
1337 "package $pkg; use strict; use utf8;\n" 1388 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1338 . "#line 1 \"$path\"\n{\n" 1389 . "#line 1 \"$path\"\n{\n"
1339 . $source 1390 . $source
1340 . "\n};\n1"; 1391 . "\n};\n1";
1341 1392
1342 $todo{$base} = \%ext; 1393 $todo{$base} = \%ext;
… …
1382 1433
1383=back 1434=back
1384 1435
1385=head2 CORE EXTENSIONS 1436=head2 CORE EXTENSIONS
1386 1437
1387Functions and methods that extend core crossfire objects. 1438Functions and methods that extend core deliantra objects.
1388 1439
1389=cut 1440=cut
1390 1441
1391package cf::player; 1442package cf::player;
1392 1443
… …
1435 1486
1436sub exists($) { 1487sub exists($) {
1437 my ($login) = @_; 1488 my ($login) = @_;
1438 1489
1439 $cf::PLAYER{$login} 1490 $cf::PLAYER{$login}
1440 or cf::sync_job { !aio_stat path $login } 1491 or !aio_stat path $login
1441} 1492}
1442 1493
1443sub find($) { 1494sub find($) {
1444 return $cf::PLAYER{$_[0]} || do { 1495 return $cf::PLAYER{$_[0]} || do {
1445 my $login = $_[0]; 1496 my $login = $_[0];
… …
1520 my ($pl) = @_; 1571 my ($pl) = @_;
1521 1572
1522 my $name = $pl->ob->name; 1573 my $name = $pl->ob->name;
1523 1574
1524 $pl->{deny_save} = 1; 1575 $pl->{deny_save} = 1;
1525 $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
1526 1577
1527 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1578 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1528 $pl->deactivate; 1579 $pl->deactivate;
1529 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;
1530 $pl->ob->check_score; 1581 $pl->ob->check_score;
… …
1616 } 1667 }
1617 1668
1618 \@paths 1669 \@paths
1619} 1670}
1620 1671
1621=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1672=item $protocol_xml = $player->expand_cfpod ($cfpod)
1622 1673
1623Expand crossfire pod fragments into protocol xml. 1674Expand deliantra pod fragments into protocol xml.
1624
1625=cut
1626
1627use re 'eval';
1628
1629my $group;
1630my $interior; $interior = qr{
1631 # match a pod interior sequence sans C<< >>
1632 (?:
1633 \ (.*?)\ (?{ $group = $^N })
1634 | < (??{$interior}) >
1635 )
1636}x;
1637
1638sub expand_cfpod {
1639 my ($self, $pod) = @_;
1640
1641 my $xml;
1642
1643 while () {
1644 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1645 $group = $1;
1646
1647 $group =~ s/&/&amp;/g;
1648 $group =~ s/</&lt;/g;
1649
1650 $xml .= $group;
1651 } elsif ($pod =~ m%\G
1652 ([BCGHITU])
1653 <
1654 (?:
1655 ([^<>]*) (?{ $group = $^N })
1656 | < $interior >
1657 )
1658 >
1659 %gcsx
1660 ) {
1661 my ($code, $data) = ($1, $group);
1662
1663 if ($code eq "B") {
1664 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1665 } elsif ($code eq "I") {
1666 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1667 } elsif ($code eq "U") {
1668 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1669 } elsif ($code eq "C") {
1670 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1671 } elsif ($code eq "T") {
1672 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1673 } elsif ($code eq "G") {
1674 my ($male, $female) = split /\|/, $data;
1675 $data = $self->gender ? $female : $male;
1676 $xml .= expand_cfpod ($self, $data);
1677 } elsif ($code eq "H") {
1678 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1679 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1680 "")
1681 [$self->{hintmode}];
1682 } else {
1683 $xml .= "error processing '$code($data)' directive";
1684 }
1685 } else {
1686 if ($pod =~ /\G(.+)/) {
1687 warn "parse error while expanding $pod (at $1)";
1688 }
1689 last;
1690 }
1691 }
1692
1693 for ($xml) {
1694 # create single paragraphs (very hackish)
1695 s/(?<=\S)\n(?=\w)/ /g;
1696
1697 # compress some whitespace
1698 s/\s+\n/\n/g; # ws line-ends
1699 s/\n\n+/\n/g; # double lines
1700 s/^\n+//; # beginning lines
1701 s/\n+$//; # ending lines
1702 }
1703
1704 $xml
1705}
1706
1707no re 'eval';
1708
1709sub hintmode {
1710 $_[0]{hintmode} = $_[1] if @_ > 1;
1711 $_[0]{hintmode}
1712}
1713 1675
1714=item $player->ext_reply ($msgid, @msg) 1676=item $player->ext_reply ($msgid, @msg)
1715 1677
1716Sends an ext reply to the player. 1678Sends an ext reply to the player.
1717 1679
… …
1930 1892
1931 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go; 1893 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1932 "$UNIQUEDIR/$path" 1894 "$UNIQUEDIR/$path"
1933} 1895}
1934 1896
1935# and all this just because we cannot iterate over
1936# all maps in C++...
1937sub change_all_map_light {
1938 my ($change) = @_;
1939
1940 $_->change_map_light ($change)
1941 for grep $_->outdoor, values %cf::MAP;
1942}
1943
1944sub decay_objects { 1897sub decay_objects {
1945 my ($self) = @_; 1898 my ($self) = @_;
1946 1899
1947 return if $self->{deny_reset}; 1900 return if $self->{deny_reset};
1948 1901
… …
2030sub find { 1983sub find {
2031 my ($path, $origin) = @_; 1984 my ($path, $origin) = @_;
2032 1985
2033 $path = normalise $path, $origin && $origin->path; 1986 $path = normalise $path, $origin && $origin->path;
2034 1987
2035 cf::lock_wait "map_data:$path";#d#remove 1988 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2036 cf::lock_wait "map_find:$path"; 1989 my $guard2 = cf::lock_acquire "map_find:$path";
2037 1990
2038 $cf::MAP{$path} || do { 1991 $cf::MAP{$path} || do {
2039 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2040 my $guard2 = cf::lock_acquire "map_find:$path";
2041
2042 my $map = new_from_path cf::map $path 1992 my $map = new_from_path cf::map $path
2043 or return; 1993 or return;
2044 1994
2045 $map->{last_save} = $cf::RUNTIME; 1995 $map->{last_save} = $cf::RUNTIME;
2046 1996
… …
2086 my $f = new_from_file cf::object::thawer $self->{load_path}; 2036 my $f = new_from_file cf::object::thawer $self->{load_path};
2087 $f->skip_block; 2037 $f->skip_block;
2088 $self->_load_objects ($f) 2038 $self->_load_objects ($f)
2089 or return; 2039 or return;
2090 2040
2091 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2041 $self->post_load_original
2092 if delete $self->{load_original}; 2042 if delete $self->{load_original};
2093 2043
2094 if (my $uniq = $self->uniq_path) { 2044 if (my $uniq = $self->uniq_path) {
2095 utf8::encode $uniq; 2045 utf8::encode $uniq;
2096 unless (aio_stat $uniq) { 2046 unless (aio_stat $uniq) {
… …
2114 unless ($self->{deny_activate}) { 2064 unless ($self->{deny_activate}) {
2115 $self->decay_objects; 2065 $self->decay_objects;
2116 $self->fix_auto_apply; 2066 $self->fix_auto_apply;
2117 $self->update_buttons; 2067 $self->update_buttons;
2118 cf::cede_to_tick; 2068 cf::cede_to_tick;
2119 $self->set_darkness_map;
2120 cf::cede_to_tick;
2121 $self->activate; 2069 $self->activate;
2122 } 2070 }
2123 2071
2124 $self->{last_save} = $cf::RUNTIME; 2072 $self->{last_save} = $cf::RUNTIME;
2125 $self->last_access ($cf::RUNTIME); 2073 $self->last_access ($cf::RUNTIME);
… …
2291 2239
2292 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2240 my $lock = cf::lock_acquire "map_data:$self->{path}";
2293 2241
2294 return if $self->players; 2242 return if $self->players;
2295 2243
2296 warn "resetting map ", $self->path; 2244 warn "resetting map ", $self->path, "\n";
2297 2245
2298 $self->in_memory (cf::MAP_SWAPPED); 2246 $self->in_memory (cf::MAP_SWAPPED);
2299 2247
2300 # need to save uniques path 2248 # need to save uniques path
2301 unless ($self->{deny_save}) { 2249 unless ($self->{deny_save}) {
… …
2466 2414
2467our $SAY_CHANNEL = { 2415our $SAY_CHANNEL = {
2468 id => "say", 2416 id => "say",
2469 title => "Map", 2417 title => "Map",
2470 reply => "say ", 2418 reply => "say ",
2471 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.",
2472}; 2420};
2473 2421
2474our $CHAT_CHANNEL = { 2422our $CHAT_CHANNEL = {
2475 id => "chat", 2423 id => "chat",
2476 title => "Chat", 2424 title => "Chat",
… …
2531 2479
2532=item $player_object->enter_link 2480=item $player_object->enter_link
2533 2481
2534Freezes 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}>).
2535 2483
2536The 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.
2537I<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.
2538 2488
2539Will never block. 2489Will never block.
2540 2490
2541=item $player_object->leave_link ($map, $x, $y) 2491=item $player_object->leave_link ($map, $x, $y)
2542 2492
… …
2600 2550
2601 $map->load; 2551 $map->load;
2602 $map->load_neighbours; 2552 $map->load_neighbours;
2603 2553
2604 return unless $self->contr->active; 2554 return unless $self->contr->active;
2605 $self->activate_recursive;
2606 2555
2607 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2556 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2608 $self->enter_map ($map, $x, $y); 2557 $self->enter_map ($map, $x, $y);
2558
2559 # only activate afterwards, to support waiting in hooks
2560 $self->activate_recursive;
2609} 2561}
2610 2562
2611=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2563=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2612 2564
2613Moves 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
… …
2772 $self->contr->savebed ($map, $x, $y) 2724 $self->contr->savebed ($map, $x, $y)
2773 if $exit->flag (cf::FLAG_DAMNED); 2725 if $exit->flag (cf::FLAG_DAMNED);
2774 2726
2775 1 2727 1
2776 }) { 2728 }) {
2777 $self->message ("Something went wrong deep within the crossfire server. " 2729 $self->message ("Something went wrong deep within the deliantra server. "
2778 . "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. "
2779 . "Please report this to the dungeon master!", 2731 . "Please report this to the dungeon master!",
2780 cf::NDI_UNIQUE | cf::NDI_RED); 2732 cf::NDI_UNIQUE | cf::NDI_RED);
2781 2733
2782 warn "ERROR in enter_exit: $@"; 2734 warn "ERROR in enter_exit: $@";
… …
2848 id => "infobox", 2800 id => "infobox",
2849 title => "Body Parts", 2801 title => "Body Parts",
2850 reply => undef, 2802 reply => undef,
2851 tooltip => "Shows which body parts you posess and are available", 2803 tooltip => "Shows which body parts you posess and are available",
2852 }, 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 },
2853 "c/uptime" => { 2841 "c/uptime" => {
2854 id => "infobox", 2842 id => "infobox",
2855 title => "Uptime", 2843 title => "Uptime",
2856 reply => undef, 2844 reply => undef,
2857 tooltip => "How long the server has been running since last restart", 2845 tooltip => "How long the server has been running since last restart",
… …
2866 id => "party", 2854 id => "party",
2867 title => "Party", 2855 title => "Party",
2868 reply => "gsay ", 2856 reply => "gsay ",
2869 tooltip => "Messages and chat related to your party", 2857 tooltip => "Messages and chat related to your party",
2870 }, 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" => $CHAT_CHANNEL,
2871); 2867);
2872 2868
2873sub cf::client::send_msg { 2869sub cf::client::send_msg {
2874 my ($self, $channel, $msg, $color, @extra) = @_; 2870 my ($self, $channel, $msg, $color, @extra) = @_;
2875 2871
2876 $msg = $self->pl->expand_cfpod ($msg); 2872 $msg = $self->pl->expand_cfpod ($msg)
2873 unless $color & cf::NDI_VERBATIM;
2877 2874
2878 $color &= cf::NDI_CLIENT_MASK; # just in case... 2875 $color &= cf::NDI_CLIENT_MASK; # just in case...
2879 2876
2880 # check predefined channels, for the benefit of C 2877 # check predefined channels, for the benefit of C
2881 if ($CHANNEL{$channel}) { 2878 if ($CHANNEL{$channel}) {
2882 $channel = $CHANNEL{$channel}; 2879 $channel = $CHANNEL{$channel};
2883 2880
2884 $self->ext_msg (channel_info => $channel) 2881 $self->ext_msg (channel_info => $channel);
2885 if $self->can_msg;
2886
2887 $channel = $channel->{id}; 2882 $channel = $channel->{id};
2888 2883
2889 } elsif (ref $channel) { 2884 } elsif (ref $channel) {
2890 # send meta info to client, if not yet sent 2885 # send meta info to client, if not yet sent
2891 unless (exists $self->{channel}{$channel->{id}}) { 2886 unless (exists $self->{channel}{$channel->{id}}) {
2892 $self->{channel}{$channel->{id}} = $channel; 2887 $self->{channel}{$channel->{id}} = $channel;
2893 $self->ext_msg (channel_info => $channel) 2888 $self->ext_msg (channel_info => $channel);
2894 if $self->can_msg;
2895 } 2889 }
2896 2890
2897 $channel = $channel->{id}; 2891 $channel = $channel->{id};
2898 } 2892 }
2899 2893
2900 return unless @extra || length $msg; 2894 return unless @extra || length $msg;
2901 2895
2902 if ($self->can_msg) {
2903 # default colour, mask it out 2896 # default colour, mask it out
2904 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2897 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2905 if $color & cf::NDI_DEF; 2898 if $color & cf::NDI_DEF;
2906 2899
2907 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2900 my $pkt = "msg "
2901 . $self->{json_coder}->encode (
2908 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2902 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2909 } else { 2903 );
2910 if ($color >= 0) {
2911 # replace some tags by gcfclient-compatible ones
2912 for ($msg) {
2913 1 while
2914 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2915 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2916 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2917 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2918 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2919 }
2920 2904
2921 $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};
2922 2908
2923 utf8::encode $msg; 2909 # split very large packets
2924 2910 if (8192 < length $pkt and $self->{can_lzf}) {
2925 if (0 && $msg =~ /\[/) { 2911 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2926 # COMMAND/INFO 2912 $pkt = "frag";
2927 $self->send_packet ("drawextinfo $color 10 8 $msg")
2928 } else {
2929 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2930 $self->send_packet ("drawinfo $color $msg")
2931 }
2932 }
2933 } 2913 }
2914
2915 $self->send_packet ($pkt);
2934} 2916}
2935 2917
2936=item $client->ext_msg ($type, @msg) 2918=item $client->ext_msg ($type, @msg)
2937 2919
2938Sends an ext event to the client. 2920Sends an ext event to the client.
… …
3113The following functions and methods are available within a safe environment: 3095The following functions and methods are available within a safe environment:
3114 3096
3115 cf::object 3097 cf::object
3116 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
3117 insert remove name archname title slaying race decrease split 3099 insert remove name archname title slaying race decrease split
3100 value
3118 3101
3119 cf::object::player 3102 cf::object::player
3120 player 3103 player
3121 3104
3122 cf::player 3105 cf::player
… …
3128=cut 3111=cut
3129 3112
3130for ( 3113for (
3131 ["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
3132 insert remove inv nrof name archname title slaying race 3115 insert remove inv nrof name archname title slaying race
3133 decrease split destroy change_exp)], 3116 decrease split destroy change_exp value msg lore send_msg)],
3134 ["cf::object::player" => qw(player)], 3117 ["cf::object::player" => qw(player)],
3135 ["cf::player" => qw(peaceful)], 3118 ["cf::player" => qw(peaceful send_msg)],
3136 ["cf::map" => qw(trigger)], 3119 ["cf::map" => qw(trigger)],
3137) { 3120) {
3138 no strict 'refs'; 3121 no strict 'refs';
3139 my ($pkg, @funs) = @$_; 3122 my ($pkg, @funs) = @$_;
3140 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3123 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
3157 my ($code, %vars) = @_; 3140 my ($code, %vars) = @_;
3158 3141
3159 my $qcode = $code; 3142 my $qcode = $code;
3160 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3143 $qcode =~ s/"/‟/g; # not allowed in #line filenames
3161 $qcode =~ s/\n/\\n/g; 3144 $qcode =~ s/\n/\\n/g;
3145
3146 %vars = (_dummy => 0) unless %vars;
3162 3147
3163 local $_; 3148 local $_;
3164 local @safe::cf::_safe_eval_args = values %vars; 3149 local @safe::cf::_safe_eval_args = values %vars;
3165 3150
3166 my $eval = 3151 my $eval =
… …
3396 reload_treasures; 3381 reload_treasures;
3397 3382
3398 warn "finished reloading resource files\n"; 3383 warn "finished reloading resource files\n";
3399} 3384}
3400 3385
3401sub init {
3402 my $guard = freeze_mainloop;
3403
3404 evthread_start IO::AIO::poll_fileno;
3405
3406 reload_resources;
3407}
3408
3409sub reload_config { 3386sub reload_config {
3410 open my $fh, "<:utf8", "$CONFDIR/config" 3387 open my $fh, "<:utf8", "$CONFDIR/config"
3411 or return; 3388 or return;
3412 3389
3413 local $/; 3390 local $/;
… …
3425 }; 3402 };
3426 warn $@ if $@; 3403 warn $@ if $@;
3427 } 3404 }
3428} 3405}
3429 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
3430sub 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
3431 # we must not ever block the main coroutine 3450 # we must not ever block the main coroutine
3432 local $Coro::idle = sub { 3451 local $Coro::idle = sub {
3433 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#
3434 (async { 3453 (async {
3435 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3454 $Coro::current->{desc} = "IDLE BUG HANDLER";
3436 EV::loop EV::LOOP_ONESHOT; 3455 EV::loop EV::LOOP_ONESHOT;
3437 })->prio (Coro::PRIO_MAX); 3456 })->prio (Coro::PRIO_MAX);
3438 }; 3457 };
3439 3458
3440 { 3459 evthread_start IO::AIO::poll_fileno;
3441 my $guard = freeze_mainloop; 3460
3461 cf::sync_job {
3462 reload_resources;
3442 reload_config; 3463 reload_config;
3443 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
3444 load_extensions; 3477 load_extensions;
3445 3478
3446 $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;
3447 } 3486 };
3448 3487
3449 EV::loop; 3488 main_loop;
3450} 3489}
3451 3490
3452############################################################################# 3491#############################################################################
3453# initialisation and cleanup 3492# initialisation and cleanup
3454 3493
… …
3461 }; 3500 };
3462 } 3501 }
3463} 3502}
3464 3503
3465sub write_runtime_sync { 3504sub write_runtime_sync {
3466 my $runtime = "$LOCALDIR/runtime";
3467
3468 # first touch the runtime file to show we are still running: 3505 # first touch the runtime file to show we are still running:
3469 # the fsync below can take a very very long time. 3506 # the fsync below can take a very very long time.
3470 3507
3471 IO::AIO::aio_utime $runtime, undef, undef; 3508 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3472 3509
3473 my $guard = cf::lock_acquire "write_runtime"; 3510 my $guard = cf::lock_acquire "write_runtime";
3474 3511
3475 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3512 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3476 or return; 3513 or return;
3477 3514
3478 my $value = $cf::RUNTIME + 90 + 10; 3515 my $value = $cf::RUNTIME + 90 + 10;
3479 # 10 is the runtime save interval, for a monotonic clock 3516 # 10 is the runtime save interval, for a monotonic clock
3480 # 60 allows for the watchdog to kill the server. 3517 # 60 allows for the watchdog to kill the server.
… …
3490 aio_utime $fh, undef, undef; 3527 aio_utime $fh, undef, undef;
3491 3528
3492 close $fh 3529 close $fh
3493 or return; 3530 or return;
3494 3531
3495 aio_rename "$runtime~", $runtime 3532 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3496 and return; 3533 and return;
3497 3534
3498 warn "runtime file written.\n"; 3535 warn "runtime file written.\n";
3499 3536
3500 1 3537 1
… …
3512 my $uuid = "$LOCALDIR/uuid"; 3549 my $uuid = "$LOCALDIR/uuid";
3513 3550
3514 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644 3551 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3515 or return; 3552 or return;
3516 3553
3517 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;
3518 $uuid_skip = 0; 3562 $uuid_skip = 0;
3519 3563
3520 (aio_write $fh, 0, (length $value), $value, 0) <= 0 3564 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3521 and return; 3565 and return;
3522 3566
… …
3544} 3588}
3545 3589
3546sub emergency_save() { 3590sub emergency_save() {
3547 my $freeze_guard = cf::freeze_mainloop; 3591 my $freeze_guard = cf::freeze_mainloop;
3548 3592
3549 warn "enter emergency perl save\n"; 3593 warn "emergency_perl_save: enter\n";
3550 3594
3551 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
3552 # use a peculiar iteration method to avoid tripping on perl 3601 # use a peculiar iteration method to avoid tripping on perl
3553 # refcount bugs in for. also avoids problems with players 3602 # refcount bugs in for. also avoids problems with players
3554 # and maps saved/destroyed asynchronously. 3603 # and maps saved/destroyed asynchronously.
3555 warn "begin emergency player save\n"; 3604 warn "emergency_perl_save: begin player save\n";
3556 for my $login (keys %cf::PLAYER) { 3605 for my $login (keys %cf::PLAYER) {
3557 my $pl = $cf::PLAYER{$login} or next; 3606 my $pl = $cf::PLAYER{$login} or next;
3558 $pl->valid or next; 3607 $pl->valid or next;
3559 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3608 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3560 $pl->save; 3609 $pl->save;
3561 } 3610 }
3562 warn "end emergency player save\n"; 3611 warn "emergency_perl_save: end player save\n";
3563 3612
3564 warn "begin emergency map save\n"; 3613 warn "emergency_perl_save: begin map save\n";
3565 for my $path (keys %cf::MAP) { 3614 for my $path (keys %cf::MAP) {
3566 my $map = $cf::MAP{$path} or next; 3615 my $map = $cf::MAP{$path} or next;
3567 $map->valid or next; 3616 $map->valid or next;
3568 $map->save; 3617 $map->save;
3569 } 3618 }
3570 warn "end emergency map save\n"; 3619 warn "emergency_perl_save: end map save\n";
3571 3620
3572 warn "begin emergency database checkpoint\n"; 3621 warn "emergency_perl_save: begin database checkpoint\n";
3573 BDB::db_env_txn_checkpoint $DB_ENV; 3622 BDB::db_env_txn_checkpoint $DB_ENV;
3574 warn "end emergency database checkpoint\n"; 3623 warn "emergency_perl_save: end database checkpoint\n";
3575 3624
3576 warn "begin write uuid\n"; 3625 warn "emergency_perl_save: begin write uuid\n";
3577 write_uuid_sync 1; 3626 write_uuid_sync 1;
3578 warn "end write uuid\n"; 3627 warn "emergency_perl_save: end write uuid\n";
3579 }; 3628 };
3580 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
3581 warn "leave emergency perl save\n"; 3635 warn "emergency_perl_save: leave\n";
3582} 3636}
3583 3637
3584sub post_cleanup { 3638sub post_cleanup {
3585 my ($make_core) = @_; 3639 my ($make_core) = @_;
3586 3640
3587 warn Carp::longmess "post_cleanup backtrace" 3641 warn Carp::longmess "post_cleanup backtrace"
3588 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 $pkg\n";#d#
3589} 3672}
3590 3673
3591sub do_reload_perl() { 3674sub do_reload_perl() {
3592 # can/must only be called in main 3675 # can/must only be called in main
3593 if ($Coro::current != $Coro::main) { 3676 if ($Coro::current != $Coro::main) {
3594 warn "can only reload from main coroutine"; 3677 warn "can only reload from main coroutine";
3595 return; 3678 return;
3596 } 3679 }
3597 3680
3681 return if $RELOAD++;
3682
3683 my $t1 = EV::time;
3684
3685 while ($RELOAD) {
3598 warn "reloading..."; 3686 warn "reloading...";
3599 3687
3600 warn "entering sync_job"; 3688 warn "entering sync_job";
3601 3689
3602 cf::sync_job { 3690 cf::sync_job {
3603 cf::write_runtime_sync; # external watchdog should not bark 3691 cf::write_runtime_sync; # external watchdog should not bark
3604 cf::emergency_save; 3692 cf::emergency_save;
3605 cf::write_runtime_sync; # external watchdog should not bark 3693 cf::write_runtime_sync; # external watchdog should not bark
3606 3694
3607 warn "syncing database to disk"; 3695 warn "syncing database to disk";
3608 BDB::db_env_txn_checkpoint $DB_ENV; 3696 BDB::db_env_txn_checkpoint $DB_ENV;
3609 3697
3610 # if anything goes wrong in here, we should simply crash as we already saved 3698 # if anything goes wrong in here, we should simply crash as we already saved
3611 3699
3612 warn "flushing outstanding aio requests"; 3700 warn "flushing outstanding aio requests";
3613 for (;;) {
3614 BDB::flush;
3615 IO::AIO::flush;
3616 Coro::cede_notself;
3617 last unless IO::AIO::nreqs || BDB::nreqs; 3701 while (IO::AIO::nreqs || BDB::nreqs) {
3618 warn "iterate..."; 3702 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3619 }
3620
3621 ++$RELOAD;
3622
3623 warn "cancelling all extension coros";
3624 $_->cancel for values %EXT_CORO;
3625 %EXT_CORO = ();
3626
3627 warn "removing commands";
3628 %COMMAND = ();
3629
3630 warn "removing ext/exti commands";
3631 %EXTCMD = ();
3632 %EXTICMD = ();
3633
3634 warn "unloading/nuking all extensions";
3635 for my $pkg (@EXTS) {
3636 warn "... unloading $pkg";
3637
3638 if (my $cb = $pkg->can ("unload")) {
3639 eval {
3640 $cb->($pkg);
3641 1
3642 } or warn "$pkg unloaded, but with errors: $@";
3643 } 3703 }
3644 3704
3645 warn "... nuking $pkg"; 3705 warn "cancelling all extension coros";
3646 Symbol::delete_package $pkg; 3706 $_->cancel for values %EXT_CORO;
3647 } 3707 %EXT_CORO = ();
3648 3708
3649 warn "unloading all perl modules loaded from $LIBDIR"; 3709 warn "removing commands";
3650 while (my ($k, $v) = each %INC) { 3710 %COMMAND = ();
3651 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3652 3711
3712 warn "removing ext/exti commands";
3713 %EXTCMD = ();
3714 %EXTICMD = ();
3715
3716 warn "unloading/nuking all extensions";
3717 for my $pkg (@EXTS) {
3653 warn "... unloading $k"; 3718 warn "... unloading $pkg";
3654 delete $INC{$k};
3655 3719
3656 $k =~ s/\.pm$//;
3657 $k =~ s/\//::/g;
3658
3659 if (my $cb = $k->can ("unload_module")) { 3720 if (my $cb = $pkg->can ("unload")) {
3721 eval {
3660 $cb->(); 3722 $cb->($pkg);
3723 1
3724 } or warn "$pkg unloaded, but with errors: $@";
3725 }
3726
3727 warn "... clearing $pkg";
3728 clear_package $pkg;
3661 } 3729 }
3662 3730
3663 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 $k;
3664 } 3746 }
3665 3747
3666 warn "getting rid of safe::, as good as possible"; 3748 warn "getting rid of safe::, as good as possible";
3667 Symbol::delete_package "safe::$_" 3749 clear_package "safe::$_"
3668 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);
3669 3751
3670 warn "unloading cf.pm \"a bit\""; 3752 warn "unloading cf.pm \"a bit\"";
3671 delete $INC{"cf.pm"}; 3753 delete $INC{"cf.pm"};
3672 delete $INC{"cf/pod.pm"}; 3754 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3673 3755
3674 # don't, removes xs symbols, too, 3756 # don't, removes xs symbols, too,
3675 # and global variables created in xs 3757 # and global variables created in xs
3676 #Symbol::delete_package __PACKAGE__; 3758 #clear_package __PACKAGE__;
3677 3759
3678 warn "unload completed, starting to reload now"; 3760 warn "unload completed, starting to reload now";
3679 3761
3680 warn "reloading cf.pm"; 3762 warn "reloading cf.pm";
3681 require cf; 3763 require cf;
3682 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3764 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3683 3765
3684 warn "loading config and database again"; 3766 warn "loading config and database again";
3685 cf::reload_config; 3767 cf::reload_config;
3686 3768
3687 warn "loading extensions"; 3769 warn "loading extensions";
3688 cf::load_extensions; 3770 cf::load_extensions;
3689 3771
3772 if ($REATTACH_ON_RELOAD) {
3690 warn "reattaching attachments to objects/players"; 3773 warn "reattaching attachments to objects/players";
3691 _global_reattach; # objects, sockets 3774 _global_reattach; # objects, sockets
3692 warn "reattaching attachments to maps"; 3775 warn "reattaching attachments to maps";
3693 reattach $_ for values %MAP; 3776 reattach $_ for values %MAP;
3694 warn "reattaching attachments to players"; 3777 warn "reattaching attachments to players";
3695 reattach $_ for values %PLAYER; 3778 reattach $_ for values %PLAYER;
3779 }
3696 3780
3781 warn "running post_init jobs";
3782 (pop @POST_INIT)->(1) while @POST_INIT;
3783
3697 warn "leaving sync_job"; 3784 warn "leaving sync_job";
3698 3785
3699 1 3786 1
3700 } or do { 3787 } or do {
3701 warn $@; 3788 warn $@;
3702 cf::cleanup "error while reloading, exiting."; 3789 cf::cleanup "error while reloading, exiting.";
3703 }; 3790 };
3704 3791
3705 warn "reloaded"; 3792 warn "reloaded";
3793 --$RELOAD;
3794 }
3795
3796 $t1 = EV::time - $t1;
3797 warn "reload completed in ${t1}s\n";
3706}; 3798};
3707 3799
3708our $RELOAD_WATCHER; # used only during reload 3800our $RELOAD_WATCHER; # used only during reload
3709 3801
3710sub reload_perl() { 3802sub reload_perl() {
3711 # doing reload synchronously and two reloads happen back-to-back, 3803 # doing reload synchronously and two reloads happen back-to-back,
3712 # coro crashes during coro_state_free->destroy here. 3804 # coro crashes during coro_state_free->destroy here.
3713 3805
3806 $RELOAD_WATCHER ||= cf::async {
3807 Coro::AIO::aio_wait cache_extensions;
3808
3714 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3809 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3715 do_reload_perl; 3810 do_reload_perl;
3716 undef $RELOAD_WATCHER; 3811 undef $RELOAD_WATCHER;
3812 };
3717 }; 3813 };
3718} 3814}
3719 3815
3720register_command "reload" => sub { 3816register_command "reload" => sub {
3721 my ($who, $arg) = @_; 3817 my ($who, $arg) = @_;
… …
3847 $msg =~ s/\n//; 3943 $msg =~ s/\n//;
3848 3944
3849 # limit the # of concurrent backtraces 3945 # limit the # of concurrent backtraces
3850 if ($_log_backtrace < 2) { 3946 if ($_log_backtrace < 2) {
3851 ++$_log_backtrace; 3947 ++$_log_backtrace;
3948 my $perl_bt = Carp::longmess $msg;
3852 async { 3949 async {
3853 $Coro::current->{desc} = "abt $msg"; 3950 $Coro::current->{desc} = "abt $msg";
3854 3951
3855 my @bt = fork_call { 3952 my @bt = fork_call {
3856 @addr = map { sprintf "%x", $_ } @addr; 3953 @addr = map { sprintf "%x", $_ } @addr;
… …
3867 } 3964 }
3868 3965
3869 @funcs 3966 @funcs
3870 }; 3967 };
3871 3968
3872 LOG llevInfo, "[ABT] $msg\n"; 3969 LOG llevInfo, "[ABT] $perl_bt\n";
3970 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3873 LOG llevInfo, "[ABT] $_\n" for @bt; 3971 LOG llevInfo, "[ABT] $_\n" for @bt;
3874 --$_log_backtrace; 3972 --$_log_backtrace;
3875 }; 3973 };
3876 } else { 3974 } else {
3877 LOG llevInfo, "[ABT] $msg\n"; 3975 LOG llevInfo, "[ABT] $msg\n";
3878 LOG llevInfo, "[ABT] [suppressed]\n"; 3976 LOG llevInfo, "[ABT] [suppressed]\n";
3879 } 3977 }
3880} 3978}
3881 3979
3882# load additional modules 3980# load additional modules
3883use cf::pod; 3981require "cf/$_.pm" for @EXTRA_MODULES;
3884 3982
3885END { cf::emergency_save } 3983END { cf::emergency_save }
3886 3984
38871 39851
3888 3986

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