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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.432 by root, Mon May 5 22:38:47 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 3.2; 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 4.50 (); 38use Coro ();
37use Coro::State; 39use Coro::State;
38use Coro::Handle; 40use Coro::Handle;
39use Coro::EV; 41use Coro::EV;
42use Coro::AnyEvent;
40use Coro::Timer; 43use Coro::Timer;
41use Coro::Signal; 44use Coro::Signal;
42use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
43use Coro::AIO; 48use Coro::AIO;
44use Coro::BDB; 49use Coro::BDB 1.6;
45use Coro::Storable; 50use Coro::Storable;
46use Coro::Util (); 51use Coro::Util ();
47 52
48use JSON::XS 2.01 (); 53use JSON::XS 2.01 ();
49use BDB (); 54use BDB ();
50use Data::Dumper; 55use Data::Dumper;
51use Digest::MD5; 56use Digest::MD5;
52use Fcntl; 57use Fcntl;
53use YAML (); 58use YAML ();
54use IO::AIO 2.51 (); 59use IO::AIO ();
55use Time::HiRes; 60use Time::HiRes;
56use Compress::LZF; 61use Compress::LZF;
57use Digest::MD5 (); 62use Digest::MD5 ();
63
64AnyEvent::detect;
58 65
59# configure various modules to our taste 66# configure various modules to our taste
60# 67#
61$Storable::canonical = 1; # reduce rsync transfers 68$Storable::canonical = 1; # reduce rsync transfers
62Coro::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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
63Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64 76
65$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" };
66 79
67sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 80sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
68 81
69our %COMMAND = (); 82our %COMMAND = ();
70our %COMMAND_TIME = (); 83our %COMMAND_TIME = ();
… …
73our %EXTCMD = (); 86our %EXTCMD = ();
74our %EXTICMD = (); 87our %EXTICMD = ();
75our %EXT_CORO = (); # coroutines bound to extensions 88our %EXT_CORO = (); # coroutines bound to extensions
76our %EXT_MAP = (); # pluggable maps 89our %EXT_MAP = (); # pluggable maps
77 90
78our $RELOAD; # number of reloads so far 91our $RELOAD; # number of reloads so far, non-zero while in reload
79our @EVENT; 92our @EVENT;
93our @REFLECT; # set by XS
94our %REFLECT; # set by us
80 95
81our $CONFDIR = confdir; 96our $CONFDIR = confdir;
82our $DATADIR = datadir; 97our $DATADIR = datadir;
83our $LIBDIR = "$DATADIR/ext"; 98our $LIBDIR = "$DATADIR/ext";
84our $PODDIR = "$DATADIR/pod"; 99our $PODDIR = "$DATADIR/pod";
85our $MAPDIR = "$DATADIR/" . mapdir; 100our $MAPDIR = "$DATADIR/" . mapdir;
86our $LOCALDIR = localdir; 101our $LOCALDIR = localdir;
87our $TMPDIR = "$LOCALDIR/" . tmpdir; 102our $TMPDIR = "$LOCALDIR/" . tmpdir;
88our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 103our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89our $PLAYERDIR = "$LOCALDIR/" . playerdir; 104our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90our $RANDOMDIR = "$LOCALDIR/random"; 105our $RANDOMDIR = "$LOCALDIR/random";
91our $BDBDIR = "$LOCALDIR/db"; 106our $BDBDIR = "$LOCALDIR/db";
107our $PIDFILE = "$LOCALDIR/pid";
108our $RUNTIMEFILE = "$LOCALDIR/runtime";
109
92our %RESOURCE; 110our %RESOURCE;
93 111
94our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 112our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95our $AIO_POLL_WATCHER;
96our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 113our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97our $NEXT_TICK; 114our $NEXT_TICK;
98our $USE_FSYNC = 1; # use fsync to write maps - default off 115our $USE_FSYNC = 1; # use fsync to write maps - default on
99 116
100our $BDB_POLL_WATCHER;
101our $BDB_DEADLOCK_WATCHER; 117our $BDB_DEADLOCK_WATCHER;
102our $BDB_CHECKPOINT_WATCHER; 118our $BDB_CHECKPOINT_WATCHER;
103our $BDB_TRICKLE_WATCHER; 119our $BDB_TRICKLE_WATCHER;
104our $DB_ENV; 120our $DB_ENV;
105 121
122our @EXTRA_MODULES = qw(pod mapscript);
123
106our %CFG; 124our %CFG;
107 125
108our $UPTIME; $UPTIME ||= time; 126our $UPTIME; $UPTIME ||= time;
109our $RUNTIME; 127our $RUNTIME;
110our $NOW; 128our $NOW;
… …
119our $LOAD; # a number between 0 (idle) and 1 (too many objects) 137our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120our $LOADAVG; # same thing, but with alpha-smoothing 138our $LOADAVG; # same thing, but with alpha-smoothing
121our $JITTER; # average jitter 139our $JITTER; # average jitter
122our $TICK_START; # for load detecting purposes 140our $TICK_START; # for load detecting purposes
123 141
142our @POST_INIT;
143
144our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
145our $REALLY_UNLOOP; # never set to true, please :)
146
124binmode STDOUT; 147binmode STDOUT;
125binmode STDERR; 148binmode STDERR;
126 149
127# read virtual server time, if available 150# read virtual server time, if available
128unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 151unless ($RUNTIME || !-e $RUNTIMEFILE) {
129 open my $fh, "<", "$LOCALDIR/runtime" 152 open my $fh, "<", $RUNTIMEFILE
130 or die "unable to read runtime file: $!"; 153 or die "unable to read $RUNTIMEFILE file: $!";
131 $RUNTIME = <$fh> + 0.; 154 $RUNTIME = <$fh> + 0.;
132} 155}
156
157eval "sub TICK() { $TICK } 1" or die;
133 158
134mkdir $_ 159mkdir $_
135 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 160 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136 161
137our $EMERGENCY_POSITION; 162our $EMERGENCY_POSITION;
138 163
139sub 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 $1, keys %{"cf::"}];
140 176
141############################################################################# 177#############################################################################
142 178
143=head2 GLOBAL VARIABLES 179=head2 GLOBAL VARIABLES
144 180
… …
195 231
196This array contains the results of the last C<invoke ()> call. When 232This array contains the results of the last C<invoke ()> call. When
197C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of 233C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198that call. 234that call.
199 235
236=item %cf::REFLECT
237
238Contains, for each (C++) class name, a hash reference with information
239about object members (methods, scalars, arrays and flags) and other
240metadata, which is useful for introspection.
241
200=back 242=back
201 243
202=cut 244=cut
203 245
204BEGIN { 246$Coro::State::WARNHOOK = sub {
205 *CORE::GLOBAL::warn = sub {
206 my $msg = join "", @_; 247 my $msg = join "", @_;
207 248
208 $msg .= "\n" 249 $msg .= "\n"
209 unless $msg =~ /\n$/; 250 unless $msg =~ /\n$/;
210 251
211 $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;
212 253
213 LOG llevError, $msg; 254 LOG llevError, $msg;
214 }; 255};
215}
216 256
217$Coro::State::DIEHOOK = sub { 257$Coro::State::DIEHOOK = sub {
218 return unless $^S eq 0; # "eq", not "==" 258 return unless $^S eq 0; # "eq", not "=="
259
260 warn Carp::longmess $_[0];
219 261
220 if ($Coro::current == $Coro::main) {#d# 262 if ($Coro::current == $Coro::main) {#d#
221 warn "DIEHOOK called in main context, Coro bug?\n";#d# 263 warn "DIEHOOK called in main context, Coro bug?\n";#d#
222 return;#d# 264 return;#d#
223 }#d# 265 }#d#
224 266
225 # kill coroutine otherwise 267 # kill coroutine otherwise
226 warn Carp::longmess $_[0];
227 Coro::terminate 268 Coro::terminate
228}; 269};
229
230$SIG{__DIE__} = sub { }; #d#?
231 270
232@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 271@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 272@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 273@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 274@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
… …
242for my $pkg (qw( 281for my $pkg (qw(
243 cf::global cf::attachable 282 cf::global cf::attachable
244 cf::object cf::object::player 283 cf::object cf::object::player
245 cf::client cf::player 284 cf::client cf::player
246 cf::arch cf::living 285 cf::arch cf::living
286 cf::map cf::mapspace
247 cf::map cf::party cf::region 287 cf::party cf::region
248)) { 288)) {
249 no strict 'refs';
250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 289 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251} 290}
252 291
253$EV::DIED = sub { 292$EV::DIED = sub {
254 warn "error in event callback: @_"; 293 warn "error in event callback: @_";
… …
296our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 335our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297 336
298sub encode_json($) { $json_coder->encode ($_[0]) } 337sub encode_json($) { $json_coder->encode ($_[0]) }
299sub decode_json($) { $json_coder->decode ($_[0]) } 338sub decode_json($) { $json_coder->decode ($_[0]) }
300 339
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
301=item cf::lock_wait $string 354=item cf::lock_wait $string
302 355
303Wait until the given lock is available. See cf::lock_acquire. 356Wait until the given lock is available. See cf::lock_acquire.
304 357
305=item my $lock = cf::lock_acquire $string 358=item my $lock = cf::lock_acquire $string
306 359
307Wait 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
308a 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,
309for example when the coroutine gets canceled), the lock is automatically 362for example when the coroutine gets canceled), the lock is automatically
310returned. 363returned.
311 364
312Locks 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
313deadlocked coro. 366deadlocked coro.
… …
319 372
320Return 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.
321 374
322=cut 375=cut
323 376
324our %LOCK; 377our $LOCKS = new Coro::SemaphoreSet;
325our %LOCKER;#d#
326 378
327sub lock_wait($) { 379sub lock_wait($) {
328 my ($key) = @_; 380 $LOCKS->wait ($_[0]);
329
330 if ($LOCKER{$key} == $Coro::current) {#d#
331 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332 return;#d#
333 }#d#
334
335 # wait for lock, if any
336 while ($LOCK{$key}) {
337 push @{ $LOCK{$key} }, $Coro::current;
338 Coro::schedule;
339 }
340} 381}
341 382
342sub lock_acquire($) { 383sub lock_acquire($) {
343 my ($key) = @_; 384 $LOCKS->guard ($_[0])
344
345 # wait, to be sure we are not locked
346 lock_wait $key;
347
348 $LOCK{$key} = [];
349 $LOCKER{$key} = $Coro::current;#d#
350
351 Coro::guard {
352 delete $LOCKER{$key};#d#
353 # wake up all waiters, to be on the safe side
354 $_->ready for @{ delete $LOCK{$key} };
355 }
356} 385}
357 386
358sub lock_active($) { 387sub lock_active($) {
359 my ($key) = @_; 388 $LOCKS->count ($_[0]) < 1
360
361 ! ! $LOCK{$key}
362} 389}
363 390
364sub freeze_mainloop { 391sub freeze_mainloop {
365 tick_inhibit_inc; 392 tick_inhibit_inc;
366 393
367 Coro::guard \&tick_inhibit_dec; 394 &Guard::guard (\&tick_inhibit_dec);
368} 395}
369 396
370=item cf::periodic $interval, $cb 397=item cf::periodic $interval, $cb
371 398
372Like 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
… …
724 751
725############################################################################# 752#############################################################################
726 753
727=head2 ATTACHABLE OBJECTS 754=head2 ATTACHABLE OBJECTS
728 755
729Many 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
730attach callbacks/event handlers (a collection of which is called an "attachment") 757attach callbacks/event handlers (a collection of which is called an "attachment")
731to it. All such attachable objects support the following methods. 758to it. All such attachable objects support the following methods.
732 759
733In 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>
734C<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
… …
784=item cf::CLASS::attachment $name, ... 811=item cf::CLASS::attachment $name, ...
785 812
786Register an attachment by C<$name> through which attachable objects of the 813Register an attachment by C<$name> through which attachable objects of the
787given CLASS can refer to this attachment. 814given CLASS can refer to this attachment.
788 815
789Some classes such as crossfire maps and objects can specify attachments 816Some classes such as deliantra maps and objects can specify attachments
790that are attached at load/instantiate time, thus the need for a name. 817that are attached at load/instantiate time, thus the need for a name.
791 818
792These calls expect any number of the following handler/hook descriptions: 819These calls expect any number of the following handler/hook descriptions:
793 820
794=over 4 821=over 4
… …
1085 1112
1086sub reattach { 1113sub reattach {
1087 # basically do the same as instantiate, without calling instantiate 1114 # basically do the same as instantiate, without calling instantiate
1088 my ($obj) = @_; 1115 my ($obj) = @_;
1089 1116
1117 # no longer needed after getting rid of delete_package?
1090 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
1091 1119
1092 my $registry = $obj->registry; 1120 my $registry = $obj->registry;
1093 1121
1094 @$registry = (); 1122 @$registry = ();
1095 1123
… …
1143 $decname, length $$rdata, scalar @$objs; 1171 $decname, length $$rdata, scalar @$objs;
1144 1172
1145 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1173 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1146 aio_chmod $fh, SAVE_MODE; 1174 aio_chmod $fh, SAVE_MODE;
1147 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1175 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1148 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 }
1149 aio_close $fh; 1180 aio_close $fh;
1150 1181
1151 if (@$objs) { 1182 if (@$objs) {
1152 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) {
1153 aio_chmod $fh, SAVE_MODE; 1184 aio_chmod $fh, SAVE_MODE;
1154 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs }; 1185 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1155 aio_write $fh, 0, (length $data), $data, 0; 1186 aio_write $fh, 0, (length $data), $data, 0;
1156 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 }
1157 aio_close $fh; 1191 aio_close $fh;
1158 aio_rename "$filename.pst~", "$filename.pst"; 1192 aio_rename "$filename.pst~", "$filename.pst";
1159 } 1193 }
1160 } else { 1194 } else {
1161 aio_unlink "$filename.pst"; 1195 aio_unlink "$filename.pst";
1162 } 1196 }
1163 1197
1164 aio_rename "$filename~", $filename; 1198 aio_rename "$filename~", $filename;
1199
1200 $filename =~ s%/[^/]+$%%;
1201 aio_pathsync $filename if $cf::USE_FSYNC;
1165 } else { 1202 } else {
1166 warn "FATAL: $filename~: $!\n"; 1203 warn "unable to save objects: $filename~: $!\n";
1167 } 1204 }
1168 } else { 1205 } else {
1169 aio_unlink $filename; 1206 aio_unlink $filename;
1170 aio_unlink "$filename.pst"; 1207 aio_unlink "$filename.pst";
1171 } 1208 }
… …
1262 my ($name, $cb) = @_; 1299 my ($name, $cb) = @_;
1263 1300
1264 $EXTICMD{$name} = $cb; 1301 $EXTICMD{$name} = $cb;
1265} 1302}
1266 1303
1304use File::Glob ();
1305
1267cf::player->attach ( 1306cf::player->attach (
1268 on_command => sub { 1307 on_command => sub {
1269 my ($pl, $name, $params) = @_; 1308 my ($pl, $name, $params) = @_;
1270 1309
1271 my $cb = $COMMAND{$name} 1310 my $cb = $COMMAND{$name}
… …
1303 1342
1304 cf::override; 1343 cf::override;
1305 }, 1344 },
1306); 1345);
1307 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
1308sub load_extensions { 1360sub load_extensions {
1309 cf::sync_job { 1361 cf::sync_job {
1310 my %todo; 1362 my %todo;
1311 1363
1312 for my $path (<$LIBDIR/*.ext>) { 1364 for my $path (<$LIBDIR/*.ext>) {
… …
1331 1383
1332 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1384 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1385 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334 1386
1335 $ext{source} = 1387 $ext{source} =
1336 "package $pkg; use strict; use utf8;\n" 1388 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1337 . "#line 1 \"$path\"\n{\n" 1389 . "#line 1 \"$path\"\n{\n"
1338 . $source 1390 . $source
1339 . "\n};\n1"; 1391 . "\n};\n1";
1340 1392
1341 $todo{$base} = \%ext; 1393 $todo{$base} = \%ext;
… …
1381 1433
1382=back 1434=back
1383 1435
1384=head2 CORE EXTENSIONS 1436=head2 CORE EXTENSIONS
1385 1437
1386Functions and methods that extend core crossfire objects. 1438Functions and methods that extend core deliantra objects.
1387 1439
1388=cut 1440=cut
1389 1441
1390package cf::player; 1442package cf::player;
1391 1443
… …
1434 1486
1435sub exists($) { 1487sub exists($) {
1436 my ($login) = @_; 1488 my ($login) = @_;
1437 1489
1438 $cf::PLAYER{$login} 1490 $cf::PLAYER{$login}
1439 or cf::sync_job { !aio_stat path $login } 1491 or !aio_stat path $login
1440} 1492}
1441 1493
1442sub find($) { 1494sub find($) {
1443 return $cf::PLAYER{$_[0]} || do { 1495 return $cf::PLAYER{$_[0]} || do {
1444 my $login = $_[0]; 1496 my $login = $_[0];
… …
1519 my ($pl) = @_; 1571 my ($pl) = @_;
1520 1572
1521 my $name = $pl->ob->name; 1573 my $name = $pl->ob->name;
1522 1574
1523 $pl->{deny_save} = 1; 1575 $pl->{deny_save} = 1;
1524 $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
1525 1577
1526 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1578 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1527 $pl->deactivate; 1579 $pl->deactivate;
1528 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;
1529 $pl->ob->check_score; 1581 $pl->ob->check_score;
… …
1615 } 1667 }
1616 1668
1617 \@paths 1669 \@paths
1618} 1670}
1619 1671
1620=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1672=item $protocol_xml = $player->expand_cfpod ($cfpod)
1621 1673
1622Expand crossfire pod fragments into protocol xml. 1674Expand deliantra pod fragments into protocol xml.
1623
1624=cut
1625
1626use re 'eval';
1627
1628my $group;
1629my $interior; $interior = qr{
1630 # match a pod interior sequence sans C<< >>
1631 (?:
1632 \ (.*?)\ (?{ $group = $^N })
1633 | < (??{$interior}) >
1634 )
1635}x;
1636
1637sub expand_cfpod {
1638 my ($self, $pod) = @_;
1639
1640 my $xml;
1641
1642 while () {
1643 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1644 $group = $1;
1645
1646 $group =~ s/&/&amp;/g;
1647 $group =~ s/</&lt;/g;
1648
1649 $xml .= $group;
1650 } elsif ($pod =~ m%\G
1651 ([BCGHITU])
1652 <
1653 (?:
1654 ([^<>]*) (?{ $group = $^N })
1655 | < $interior >
1656 )
1657 >
1658 %gcsx
1659 ) {
1660 my ($code, $data) = ($1, $group);
1661
1662 if ($code eq "B") {
1663 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1664 } elsif ($code eq "I") {
1665 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1666 } elsif ($code eq "U") {
1667 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1668 } elsif ($code eq "C") {
1669 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1670 } elsif ($code eq "T") {
1671 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1672 } elsif ($code eq "G") {
1673 my ($male, $female) = split /\|/, $data;
1674 $data = $self->gender ? $female : $male;
1675 $xml .= expand_cfpod ($self, $data);
1676 } elsif ($code eq "H") {
1677 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1678 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1679 "")
1680 [$self->{hintmode}];
1681 } else {
1682 $xml .= "error processing '$code($data)' directive";
1683 }
1684 } else {
1685 if ($pod =~ /\G(.+)/) {
1686 warn "parse error while expanding $pod (at $1)";
1687 }
1688 last;
1689 }
1690 }
1691
1692 for ($xml) {
1693 # create single paragraphs (very hackish)
1694 s/(?<=\S)\n(?=\w)/ /g;
1695
1696 # compress some whitespace
1697 s/\s+\n/\n/g; # ws line-ends
1698 s/\n\n+/\n/g; # double lines
1699 s/^\n+//; # beginning lines
1700 s/\n+$//; # ending lines
1701 }
1702
1703 $xml
1704}
1705
1706no re 'eval';
1707
1708sub hintmode {
1709 $_[0]{hintmode} = $_[1] if @_ > 1;
1710 $_[0]{hintmode}
1711}
1712 1675
1713=item $player->ext_reply ($msgid, @msg) 1676=item $player->ext_reply ($msgid, @msg)
1714 1677
1715Sends an ext reply to the player. 1678Sends an ext reply to the player.
1716 1679
… …
1929 1892
1930 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go; 1893 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1931 "$UNIQUEDIR/$path" 1894 "$UNIQUEDIR/$path"
1932} 1895}
1933 1896
1934# and all this just because we cannot iterate over
1935# all maps in C++...
1936sub change_all_map_light {
1937 my ($change) = @_;
1938
1939 $_->change_map_light ($change)
1940 for grep $_->outdoor, values %cf::MAP;
1941}
1942
1943sub decay_objects { 1897sub decay_objects {
1944 my ($self) = @_; 1898 my ($self) = @_;
1945 1899
1946 return if $self->{deny_reset}; 1900 return if $self->{deny_reset};
1947 1901
… …
2029sub find { 1983sub find {
2030 my ($path, $origin) = @_; 1984 my ($path, $origin) = @_;
2031 1985
2032 $path = normalise $path, $origin && $origin->path; 1986 $path = normalise $path, $origin && $origin->path;
2033 1987
2034 cf::lock_wait "map_data:$path";#d#remove 1988 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2035 cf::lock_wait "map_find:$path"; 1989 my $guard2 = cf::lock_acquire "map_find:$path";
2036 1990
2037 $cf::MAP{$path} || do { 1991 $cf::MAP{$path} || do {
2038 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2039 my $guard2 = cf::lock_acquire "map_find:$path";
2040
2041 my $map = new_from_path cf::map $path 1992 my $map = new_from_path cf::map $path
2042 or return; 1993 or return;
2043 1994
2044 $map->{last_save} = $cf::RUNTIME; 1995 $map->{last_save} = $cf::RUNTIME;
2045 1996
… …
2085 my $f = new_from_file cf::object::thawer $self->{load_path}; 2036 my $f = new_from_file cf::object::thawer $self->{load_path};
2086 $f->skip_block; 2037 $f->skip_block;
2087 $self->_load_objects ($f) 2038 $self->_load_objects ($f)
2088 or return; 2039 or return;
2089 2040
2090 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2041 $self->post_load_original
2091 if delete $self->{load_original}; 2042 if delete $self->{load_original};
2092 2043
2093 if (my $uniq = $self->uniq_path) { 2044 if (my $uniq = $self->uniq_path) {
2094 utf8::encode $uniq; 2045 utf8::encode $uniq;
2095 unless (aio_stat $uniq) { 2046 unless (aio_stat $uniq) {
… …
2113 unless ($self->{deny_activate}) { 2064 unless ($self->{deny_activate}) {
2114 $self->decay_objects; 2065 $self->decay_objects;
2115 $self->fix_auto_apply; 2066 $self->fix_auto_apply;
2116 $self->update_buttons; 2067 $self->update_buttons;
2117 cf::cede_to_tick; 2068 cf::cede_to_tick;
2118 $self->set_darkness_map;
2119 cf::cede_to_tick;
2120 $self->activate; 2069 $self->activate;
2121 } 2070 }
2122 2071
2123 $self->{last_save} = $cf::RUNTIME; 2072 $self->{last_save} = $cf::RUNTIME;
2124 $self->last_access ($cf::RUNTIME); 2073 $self->last_access ($cf::RUNTIME);
… …
2290 2239
2291 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2240 my $lock = cf::lock_acquire "map_data:$self->{path}";
2292 2241
2293 return if $self->players; 2242 return if $self->players;
2294 2243
2295 warn "resetting map ", $self->path; 2244 warn "resetting map ", $self->path, "\n";
2296 2245
2297 $self->in_memory (cf::MAP_SWAPPED); 2246 $self->in_memory (cf::MAP_SWAPPED);
2298 2247
2299 # need to save uniques path 2248 # need to save uniques path
2300 unless ($self->{deny_save}) { 2249 unless ($self->{deny_save}) {
… …
2465 2414
2466our $SAY_CHANNEL = { 2415our $SAY_CHANNEL = {
2467 id => "say", 2416 id => "say",
2468 title => "Map", 2417 title => "Map",
2469 reply => "say ", 2418 reply => "say ",
2470 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.",
2471}; 2420};
2472 2421
2473our $CHAT_CHANNEL = { 2422our $CHAT_CHANNEL = {
2474 id => "chat", 2423 id => "chat",
2475 title => "Chat", 2424 title => "Chat",
… …
2530 2479
2531=item $player_object->enter_link 2480=item $player_object->enter_link
2532 2481
2533Freezes 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}>).
2534 2483
2535The 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.
2536I<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.
2537 2488
2538Will never block. 2489Will never block.
2539 2490
2540=item $player_object->leave_link ($map, $x, $y) 2491=item $player_object->leave_link ($map, $x, $y)
2541 2492
… …
2599 2550
2600 $map->load; 2551 $map->load;
2601 $map->load_neighbours; 2552 $map->load_neighbours;
2602 2553
2603 return unless $self->contr->active; 2554 return unless $self->contr->active;
2604 $self->activate_recursive;
2605 2555
2606 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2556 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2607 $self->enter_map ($map, $x, $y); 2557 $self->enter_map ($map, $x, $y);
2558
2559 # only activate afterwards, to support waiting in hooks
2560 $self->activate_recursive;
2608} 2561}
2609 2562
2610=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2563=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2611 2564
2612Moves 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
2613her, loading and preparing them map, calling the provided $check callback 2566her, loading and preparing them map, calling the provided $check callback
2614that has to return the map if sucecssful, and then unfreezes the player on 2567that has to return the map if sucecssful, and then unfreezes the player on
2615the new (success) or old (failed) map position. In either case, $done will 2568the new (success) or old (failed) map position. In either case, $done will
2616be called at the end of this process. 2569be called at the end of this process.
2570
2571Note that $check will be called with a potentially non-loaded map, so if
2572it needs a loaded map it has to call C<< ->load >>.
2617 2573
2618=cut 2574=cut
2619 2575
2620our $GOTOGEN; 2576our $GOTOGEN;
2621 2577
… …
2768 $self->contr->savebed ($map, $x, $y) 2724 $self->contr->savebed ($map, $x, $y)
2769 if $exit->flag (cf::FLAG_DAMNED); 2725 if $exit->flag (cf::FLAG_DAMNED);
2770 2726
2771 1 2727 1
2772 }) { 2728 }) {
2773 $self->message ("Something went wrong deep within the crossfire server. " 2729 $self->message ("Something went wrong deep within the deliantra server. "
2774 . "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. "
2775 . "Please report this to the dungeon master!", 2731 . "Please report this to the dungeon master!",
2776 cf::NDI_UNIQUE | cf::NDI_RED); 2732 cf::NDI_UNIQUE | cf::NDI_RED);
2777 2733
2778 warn "ERROR in enter_exit: $@"; 2734 warn "ERROR in enter_exit: $@";
… …
2844 id => "infobox", 2800 id => "infobox",
2845 title => "Body Parts", 2801 title => "Body Parts",
2846 reply => undef, 2802 reply => undef,
2847 tooltip => "Shows which body parts you posess and are available", 2803 tooltip => "Shows which body parts you posess and are available",
2848 }, 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 },
2849 "c/uptime" => { 2841 "c/uptime" => {
2850 id => "infobox", 2842 id => "infobox",
2851 title => "Uptime", 2843 title => "Uptime",
2852 reply => undef, 2844 reply => undef,
2853 tooltip => "How long the server has been running since last restart", 2845 tooltip => "How long the server has been running since last restart",
… …
2862 id => "party", 2854 id => "party",
2863 title => "Party", 2855 title => "Party",
2864 reply => "gsay ", 2856 reply => "gsay ",
2865 tooltip => "Messages and chat related to your party", 2857 tooltip => "Messages and chat related to your party",
2866 }, 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" => $CHAT_CHANNEL,
2867); 2867);
2868 2868
2869sub cf::client::send_msg { 2869sub cf::client::send_msg {
2870 my ($self, $channel, $msg, $color, @extra) = @_; 2870 my ($self, $channel, $msg, $color, @extra) = @_;
2871 2871
2872 $msg = $self->pl->expand_cfpod ($msg); 2872 $msg = $self->pl->expand_cfpod ($msg)
2873 unless $color & cf::NDI_VERBATIM;
2873 2874
2874 $color &= cf::NDI_CLIENT_MASK; # just in case... 2875 $color &= cf::NDI_CLIENT_MASK; # just in case...
2875 2876
2876 # check predefined channels, for the benefit of C 2877 # check predefined channels, for the benefit of C
2877 if ($CHANNEL{$channel}) { 2878 if ($CHANNEL{$channel}) {
2878 $channel = $CHANNEL{$channel}; 2879 $channel = $CHANNEL{$channel};
2879 2880
2880 $self->ext_msg (channel_info => $channel) 2881 $self->ext_msg (channel_info => $channel);
2881 if $self->can_msg;
2882
2883 $channel = $channel->{id}; 2882 $channel = $channel->{id};
2884 2883
2885 } elsif (ref $channel) { 2884 } elsif (ref $channel) {
2886 # send meta info to client, if not yet sent 2885 # send meta info to client, if not yet sent
2887 unless (exists $self->{channel}{$channel->{id}}) { 2886 unless (exists $self->{channel}{$channel->{id}}) {
2888 $self->{channel}{$channel->{id}} = $channel; 2887 $self->{channel}{$channel->{id}} = $channel;
2889 $self->ext_msg (channel_info => $channel) 2888 $self->ext_msg (channel_info => $channel);
2890 if $self->can_msg;
2891 } 2889 }
2892 2890
2893 $channel = $channel->{id}; 2891 $channel = $channel->{id};
2894 } 2892 }
2895 2893
2896 return unless @extra || length $msg; 2894 return unless @extra || length $msg;
2897 2895
2898 if ($self->can_msg) {
2899 # default colour, mask it out 2896 # default colour, mask it out
2900 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2897 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2901 if $color & cf::NDI_DEF; 2898 if $color & cf::NDI_DEF;
2902 2899
2903 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2900 my $pkt = "msg "
2901 . $self->{json_coder}->encode (
2904 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2902 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2905 } else { 2903 );
2906 if ($color >= 0) {
2907 # replace some tags by gcfclient-compatible ones
2908 for ($msg) {
2909 1 while
2910 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2911 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2912 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2913 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2914 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2915 }
2916 2904
2917 $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};
2918 2908
2919 utf8::encode $msg; 2909 # split very large packets
2920 2910 if (8192 < length $pkt and $self->{can_lzf}) {
2921 if (0 && $msg =~ /\[/) { 2911 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2922 # COMMAND/INFO 2912 $pkt = "frag";
2923 $self->send_packet ("drawextinfo $color 10 8 $msg")
2924 } else {
2925 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2926 $self->send_packet ("drawinfo $color $msg")
2927 }
2928 }
2929 } 2913 }
2914
2915 $self->send_packet ($pkt);
2930} 2916}
2931 2917
2932=item $client->ext_msg ($type, @msg) 2918=item $client->ext_msg ($type, @msg)
2933 2919
2934Sends an ext event to the client. 2920Sends an ext event to the client.
… …
3109The following functions and methods are available within a safe environment: 3095The following functions and methods are available within a safe environment:
3110 3096
3111 cf::object 3097 cf::object
3112 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
3113 insert remove name archname title slaying race decrease split 3099 insert remove name archname title slaying race decrease split
3100 value
3114 3101
3115 cf::object::player 3102 cf::object::player
3116 player 3103 player
3117 3104
3118 cf::player 3105 cf::player
… …
3124=cut 3111=cut
3125 3112
3126for ( 3113for (
3127 ["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
3128 insert remove inv nrof name archname title slaying race 3115 insert remove inv nrof name archname title slaying race
3129 decrease split destroy)], 3116 decrease split destroy change_exp value msg lore send_msg)],
3130 ["cf::object::player" => qw(player)], 3117 ["cf::object::player" => qw(player)],
3131 ["cf::player" => qw(peaceful)], 3118 ["cf::player" => qw(peaceful send_msg)],
3132 ["cf::map" => qw(trigger)], 3119 ["cf::map" => qw(trigger)],
3133) { 3120) {
3134 no strict 'refs'; 3121 no strict 'refs';
3135 my ($pkg, @funs) = @$_; 3122 my ($pkg, @funs) = @$_;
3136 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3123 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
3153 my ($code, %vars) = @_; 3140 my ($code, %vars) = @_;
3154 3141
3155 my $qcode = $code; 3142 my $qcode = $code;
3156 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3143 $qcode =~ s/"/‟/g; # not allowed in #line filenames
3157 $qcode =~ s/\n/\\n/g; 3144 $qcode =~ s/\n/\\n/g;
3145
3146 %vars = (_dummy => 0) unless %vars;
3158 3147
3159 local $_; 3148 local $_;
3160 local @safe::cf::_safe_eval_args = values %vars; 3149 local @safe::cf::_safe_eval_args = values %vars;
3161 3150
3162 my $eval = 3151 my $eval =
… …
3392 reload_treasures; 3381 reload_treasures;
3393 3382
3394 warn "finished reloading resource files\n"; 3383 warn "finished reloading resource files\n";
3395} 3384}
3396 3385
3397sub init {
3398 my $guard = freeze_mainloop;
3399
3400 reload_resources;
3401}
3402
3403sub reload_config { 3386sub reload_config {
3404 open my $fh, "<:utf8", "$CONFDIR/config" 3387 open my $fh, "<:utf8", "$CONFDIR/config"
3405 or return; 3388 or return;
3406 3389
3407 local $/; 3390 local $/;
… …
3419 }; 3402 };
3420 warn $@ if $@; 3403 warn $@ if $@;
3421 } 3404 }
3422} 3405}
3423 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
3424sub 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
3425 # we must not ever block the main coroutine 3450 # we must not ever block the main coroutine
3426 local $Coro::idle = sub { 3451 local $Coro::idle = sub {
3427 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#
3428 (async { 3453 (async {
3429 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3454 $Coro::current->{desc} = "IDLE BUG HANDLER";
3430 EV::loop EV::LOOP_ONESHOT; 3455 EV::loop EV::LOOP_ONESHOT;
3431 })->prio (Coro::PRIO_MAX); 3456 })->prio (Coro::PRIO_MAX);
3432 }; 3457 };
3433 3458
3434 { 3459 evthread_start IO::AIO::poll_fileno;
3435 my $guard = freeze_mainloop; 3460
3461 cf::sync_job {
3462 reload_resources;
3436 reload_config; 3463 reload_config;
3437 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
3438 load_extensions; 3477 load_extensions;
3439 3478
3440 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3479 utime time, time, $RUNTIMEFILE;
3441 evthread_start IO::AIO::poll_fileno; 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;
3442 } 3486 };
3443 3487
3444 EV::loop; 3488 main_loop;
3445} 3489}
3446 3490
3447############################################################################# 3491#############################################################################
3448# initialisation and cleanup 3492# initialisation and cleanup
3449 3493
… …
3456 }; 3500 };
3457 } 3501 }
3458} 3502}
3459 3503
3460sub write_runtime_sync { 3504sub write_runtime_sync {
3461 my $runtime = "$LOCALDIR/runtime";
3462
3463 # first touch the runtime file to show we are still running: 3505 # first touch the runtime file to show we are still running:
3464 # the fsync below can take a very very long time. 3506 # the fsync below can take a very very long time.
3465 3507
3466 IO::AIO::aio_utime $runtime, undef, undef; 3508 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3467 3509
3468 my $guard = cf::lock_acquire "write_runtime"; 3510 my $guard = cf::lock_acquire "write_runtime";
3469 3511
3470 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3512 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3471 or return; 3513 or return;
3472 3514
3473 my $value = $cf::RUNTIME + 90 + 10; 3515 my $value = $cf::RUNTIME + 90 + 10;
3474 # 10 is the runtime save interval, for a monotonic clock 3516 # 10 is the runtime save interval, for a monotonic clock
3475 # 60 allows for the watchdog to kill the server. 3517 # 60 allows for the watchdog to kill the server.
… …
3485 aio_utime $fh, undef, undef; 3527 aio_utime $fh, undef, undef;
3486 3528
3487 close $fh 3529 close $fh
3488 or return; 3530 or return;
3489 3531
3490 aio_rename "$runtime~", $runtime 3532 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3491 and return; 3533 and return;
3492 3534
3493 warn "runtime file written.\n"; 3535 warn "runtime file written.\n";
3494 3536
3495 1 3537 1
… …
3507 my $uuid = "$LOCALDIR/uuid"; 3549 my $uuid = "$LOCALDIR/uuid";
3508 3550
3509 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644 3551 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3510 or return; 3552 or return;
3511 3553
3512 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;
3513 $uuid_skip = 0; 3562 $uuid_skip = 0;
3514 3563
3515 (aio_write $fh, 0, (length $value), $value, 0) <= 0 3564 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3516 and return; 3565 and return;
3517 3566
… …
3539} 3588}
3540 3589
3541sub emergency_save() { 3590sub emergency_save() {
3542 my $freeze_guard = cf::freeze_mainloop; 3591 my $freeze_guard = cf::freeze_mainloop;
3543 3592
3544 warn "enter emergency perl save\n"; 3593 warn "emergency_perl_save: enter\n";
3545 3594
3546 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
3547 # use a peculiar iteration method to avoid tripping on perl 3601 # use a peculiar iteration method to avoid tripping on perl
3548 # refcount bugs in for. also avoids problems with players 3602 # refcount bugs in for. also avoids problems with players
3549 # and maps saved/destroyed asynchronously. 3603 # and maps saved/destroyed asynchronously.
3550 warn "begin emergency player save\n"; 3604 warn "emergency_perl_save: begin player save\n";
3551 for my $login (keys %cf::PLAYER) { 3605 for my $login (keys %cf::PLAYER) {
3552 my $pl = $cf::PLAYER{$login} or next; 3606 my $pl = $cf::PLAYER{$login} or next;
3553 $pl->valid or next; 3607 $pl->valid or next;
3554 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3608 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3555 $pl->save; 3609 $pl->save;
3556 } 3610 }
3557 warn "end emergency player save\n"; 3611 warn "emergency_perl_save: end player save\n";
3558 3612
3559 warn "begin emergency map save\n"; 3613 warn "emergency_perl_save: begin map save\n";
3560 for my $path (keys %cf::MAP) { 3614 for my $path (keys %cf::MAP) {
3561 my $map = $cf::MAP{$path} or next; 3615 my $map = $cf::MAP{$path} or next;
3562 $map->valid or next; 3616 $map->valid or next;
3563 $map->save; 3617 $map->save;
3564 } 3618 }
3565 warn "end emergency map save\n"; 3619 warn "emergency_perl_save: end map save\n";
3566 3620
3567 warn "begin emergency database checkpoint\n"; 3621 warn "emergency_perl_save: begin database checkpoint\n";
3568 BDB::db_env_txn_checkpoint $DB_ENV; 3622 BDB::db_env_txn_checkpoint $DB_ENV;
3569 warn "end emergency database checkpoint\n"; 3623 warn "emergency_perl_save: end database checkpoint\n";
3570 3624
3571 warn "begin write uuid\n"; 3625 warn "emergency_perl_save: begin write uuid\n";
3572 write_uuid_sync 1; 3626 write_uuid_sync 1;
3573 warn "end write uuid\n"; 3627 warn "emergency_perl_save: end write uuid\n";
3574 }; 3628 };
3575 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
3576 warn "leave emergency perl save\n"; 3635 warn "emergency_perl_save: leave\n";
3577} 3636}
3578 3637
3579sub post_cleanup { 3638sub post_cleanup {
3580 my ($make_core) = @_; 3639 my ($make_core) = @_;
3581 3640
3582 warn Carp::longmess "post_cleanup backtrace" 3641 warn Carp::longmess "post_cleanup backtrace"
3583 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 $pkg\n";#d#
3584} 3672}
3585 3673
3586sub do_reload_perl() { 3674sub do_reload_perl() {
3587 # can/must only be called in main 3675 # can/must only be called in main
3588 if ($Coro::current != $Coro::main) { 3676 if ($Coro::current != $Coro::main) {
3589 warn "can only reload from main coroutine"; 3677 warn "can only reload from main coroutine";
3590 return; 3678 return;
3591 } 3679 }
3592 3680
3681 return if $RELOAD++;
3682
3683 my $t1 = EV::time;
3684
3685 while ($RELOAD) {
3593 warn "reloading..."; 3686 warn "reloading...";
3594 3687
3595 warn "entering sync_job"; 3688 warn "entering sync_job";
3596 3689
3597 cf::sync_job { 3690 cf::sync_job {
3598 cf::write_runtime_sync; # external watchdog should not bark 3691 cf::write_runtime_sync; # external watchdog should not bark
3599 cf::emergency_save; 3692 cf::emergency_save;
3600 cf::write_runtime_sync; # external watchdog should not bark 3693 cf::write_runtime_sync; # external watchdog should not bark
3601 3694
3602 warn "syncing database to disk"; 3695 warn "syncing database to disk";
3603 BDB::db_env_txn_checkpoint $DB_ENV; 3696 BDB::db_env_txn_checkpoint $DB_ENV;
3604 3697
3605 # if anything goes wrong in here, we should simply crash as we already saved 3698 # if anything goes wrong in here, we should simply crash as we already saved
3606 3699
3607 warn "flushing outstanding aio requests"; 3700 warn "flushing outstanding aio requests";
3608 for (;;) {
3609 BDB::flush;
3610 IO::AIO::flush;
3611 Coro::cede_notself;
3612 last unless IO::AIO::nreqs || BDB::nreqs; 3701 while (IO::AIO::nreqs || BDB::nreqs) {
3613 warn "iterate..."; 3702 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3614 }
3615
3616 ++$RELOAD;
3617
3618 warn "cancelling all extension coros";
3619 $_->cancel for values %EXT_CORO;
3620 %EXT_CORO = ();
3621
3622 warn "removing commands";
3623 %COMMAND = ();
3624
3625 warn "removing ext/exti commands";
3626 %EXTCMD = ();
3627 %EXTICMD = ();
3628
3629 warn "unloading/nuking all extensions";
3630 for my $pkg (@EXTS) {
3631 warn "... unloading $pkg";
3632
3633 if (my $cb = $pkg->can ("unload")) {
3634 eval {
3635 $cb->($pkg);
3636 1
3637 } or warn "$pkg unloaded, but with errors: $@";
3638 } 3703 }
3639 3704
3640 warn "... nuking $pkg"; 3705 warn "cancelling all extension coros";
3641 Symbol::delete_package $pkg; 3706 $_->cancel for values %EXT_CORO;
3642 } 3707 %EXT_CORO = ();
3643 3708
3644 warn "unloading all perl modules loaded from $LIBDIR"; 3709 warn "removing commands";
3645 while (my ($k, $v) = each %INC) { 3710 %COMMAND = ();
3646 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3647 3711
3712 warn "removing ext/exti commands";
3713 %EXTCMD = ();
3714 %EXTICMD = ();
3715
3716 warn "unloading/nuking all extensions";
3717 for my $pkg (@EXTS) {
3648 warn "... unloading $k"; 3718 warn "... unloading $pkg";
3649 delete $INC{$k};
3650 3719
3651 $k =~ s/\.pm$//;
3652 $k =~ s/\//::/g;
3653
3654 if (my $cb = $k->can ("unload_module")) { 3720 if (my $cb = $pkg->can ("unload")) {
3721 eval {
3655 $cb->(); 3722 $cb->($pkg);
3723 1
3724 } or warn "$pkg unloaded, but with errors: $@";
3725 }
3726
3727 warn "... clearing $pkg";
3728 clear_package $pkg;
3656 } 3729 }
3657 3730
3658 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 $k;
3659 } 3746 }
3660 3747
3661 warn "getting rid of safe::, as good as possible"; 3748 warn "getting rid of safe::, as good as possible";
3662 Symbol::delete_package "safe::$_" 3749 clear_package "safe::$_"
3663 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);
3664 3751
3665 warn "unloading cf.pm \"a bit\""; 3752 warn "unloading cf.pm \"a bit\"";
3666 delete $INC{"cf.pm"}; 3753 delete $INC{"cf.pm"};
3667 delete $INC{"cf/pod.pm"}; 3754 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3668 3755
3669 # don't, removes xs symbols, too, 3756 # don't, removes xs symbols, too,
3670 # and global variables created in xs 3757 # and global variables created in xs
3671 #Symbol::delete_package __PACKAGE__; 3758 #clear_package __PACKAGE__;
3672 3759
3673 warn "unload completed, starting to reload now"; 3760 warn "unload completed, starting to reload now";
3674 3761
3675 warn "reloading cf.pm"; 3762 warn "reloading cf.pm";
3676 require cf; 3763 require cf;
3677 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3764 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3678 3765
3679 warn "loading config and database again"; 3766 warn "loading config and database again";
3680 cf::reload_config; 3767 cf::reload_config;
3681 3768
3682 warn "loading extensions"; 3769 warn "loading extensions";
3683 cf::load_extensions; 3770 cf::load_extensions;
3684 3771
3772 if ($REATTACH_ON_RELOAD) {
3685 warn "reattaching attachments to objects/players"; 3773 warn "reattaching attachments to objects/players";
3686 _global_reattach; # objects, sockets 3774 _global_reattach; # objects, sockets
3687 warn "reattaching attachments to maps"; 3775 warn "reattaching attachments to maps";
3688 reattach $_ for values %MAP; 3776 reattach $_ for values %MAP;
3689 warn "reattaching attachments to players"; 3777 warn "reattaching attachments to players";
3690 reattach $_ for values %PLAYER; 3778 reattach $_ for values %PLAYER;
3779 }
3691 3780
3781 warn "running post_init jobs";
3782 (pop @POST_INIT)->(1) while @POST_INIT;
3783
3692 warn "leaving sync_job"; 3784 warn "leaving sync_job";
3693 3785
3694 1 3786 1
3695 } or do { 3787 } or do {
3696 warn $@; 3788 warn $@;
3697 cf::cleanup "error while reloading, exiting."; 3789 cf::cleanup "error while reloading, exiting.";
3698 }; 3790 };
3699 3791
3700 warn "reloaded"; 3792 warn "reloaded";
3793 --$RELOAD;
3794 }
3795
3796 $t1 = EV::time - $t1;
3797 warn "reload completed in ${t1}s\n";
3701}; 3798};
3702 3799
3703our $RELOAD_WATCHER; # used only during reload 3800our $RELOAD_WATCHER; # used only during reload
3704 3801
3705sub reload_perl() { 3802sub reload_perl() {
3706 # doing reload synchronously and two reloads happen back-to-back, 3803 # doing reload synchronously and two reloads happen back-to-back,
3707 # coro crashes during coro_state_free->destroy here. 3804 # coro crashes during coro_state_free->destroy here.
3708 3805
3806 $RELOAD_WATCHER ||= cf::async {
3807 Coro::AIO::aio_wait cache_extensions;
3808
3709 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3809 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3710 do_reload_perl; 3810 do_reload_perl;
3711 undef $RELOAD_WATCHER; 3811 undef $RELOAD_WATCHER;
3812 };
3712 }; 3813 };
3713} 3814}
3714 3815
3715register_command "reload" => sub { 3816register_command "reload" => sub {
3716 my ($who, $arg) = @_; 3817 my ($who, $arg) = @_;
… …
3787{ 3888{
3788 # configure BDB 3889 # configure BDB
3789 3890
3790 BDB::min_parallel 8; 3891 BDB::min_parallel 8;
3791 BDB::max_poll_reqs $TICK * 0.1; 3892 BDB::max_poll_reqs $TICK * 0.1;
3792 $Coro::BDB::WATCHER->priority (1); 3893 $AnyEvent::BDB::WATCHER->priority (1);
3793 3894
3794 unless ($DB_ENV) { 3895 unless ($DB_ENV) {
3795 $DB_ENV = BDB::db_env_create; 3896 $DB_ENV = BDB::db_env_create;
3796 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3897 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3797 | BDB::LOG_AUTOREMOVE, 1); 3898 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3899 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3798 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT); 3900 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3799 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT); 3901 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3800 3902
3801 cf::sync_job { 3903 cf::sync_job {
3802 eval { 3904 eval {
… …
3828{ 3930{
3829 # configure IO::AIO 3931 # configure IO::AIO
3830 3932
3831 IO::AIO::min_parallel 8; 3933 IO::AIO::min_parallel 8;
3832 IO::AIO::max_poll_time $TICK * 0.1; 3934 IO::AIO::max_poll_time $TICK * 0.1;
3833 $Coro::AIO::WATCHER->priority (1); 3935 undef $AnyEvent::AIO::WATCHER;
3834} 3936}
3835 3937
3836my $_log_backtrace; 3938my $_log_backtrace;
3837 3939
3838sub _log_backtrace { 3940sub _log_backtrace {
… …
3841 $msg =~ s/\n//; 3943 $msg =~ s/\n//;
3842 3944
3843 # limit the # of concurrent backtraces 3945 # limit the # of concurrent backtraces
3844 if ($_log_backtrace < 2) { 3946 if ($_log_backtrace < 2) {
3845 ++$_log_backtrace; 3947 ++$_log_backtrace;
3948 my $perl_bt = Carp::longmess $msg;
3846 async { 3949 async {
3847 $Coro::current->{desc} = "abt $msg"; 3950 $Coro::current->{desc} = "abt $msg";
3848 3951
3849 my @bt = fork_call { 3952 my @bt = fork_call {
3850 @addr = map { sprintf "%x", $_ } @addr; 3953 @addr = map { sprintf "%x", $_ } @addr;
… …
3861 } 3964 }
3862 3965
3863 @funcs 3966 @funcs
3864 }; 3967 };
3865 3968
3866 LOG llevInfo, "[ABT] $msg\n"; 3969 LOG llevInfo, "[ABT] $perl_bt\n";
3970 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3867 LOG llevInfo, "[ABT] $_\n" for @bt; 3971 LOG llevInfo, "[ABT] $_\n" for @bt;
3868 --$_log_backtrace; 3972 --$_log_backtrace;
3869 }; 3973 };
3870 } else { 3974 } else {
3871 LOG llevInfo, "[ABT] $msg\n"; 3975 LOG llevInfo, "[ABT] $msg\n";
3872 LOG llevInfo, "[ABT] [suppressed]\n"; 3976 LOG llevInfo, "[ABT] [suppressed]\n";
3873 } 3977 }
3874} 3978}
3875 3979
3876# load additional modules 3980# load additional modules
3877use cf::pod; 3981require "cf/$_.pm" for @EXTRA_MODULES;
3878 3982
3879END { cf::emergency_save } 3983END { cf::emergency_save }
3880 3984
38811 39851
3882 3986

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