ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.443 by root, Sun Aug 31 10:05:26 2008 UTC vs.
Revision 1.484 by root, Mon Oct 12 14:00:58 2009 UTC

1# 1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG. 2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3# 3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5# 5#
6# Deliantra is free software: you can redistribute it and/or modify 6# Deliantra is free software: you can redistribute it and/or modify it under
7# it under the terms of the GNU General Public License as published by 7# the terms of the Affero GNU General Public License as published by the
8# the Free Software Foundation, either version 3 of the License, or 8# Free Software Foundation, either version 3 of the License, or (at your
9# (at your option) any later version. 9# option) any later version.
10# 10#
11# This program is distributed in the hope that it will be useful, 11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of 12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details. 14# GNU General Public License for more details.
15# 15#
16# You should have received a copy of the GNU General Public License 16# You should have received a copy of the Affero GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>. 17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
18# 19#
19# The authors can be reached via e-mail to <support@deliantra.net> 20# The authors can be reached via e-mail to <support@deliantra.net>
20# 21#
21 22
22package cf; 23package cf;
23 24
24use 5.10.0; 25use 5.10.0;
25use utf8; 26use utf8;
26use strict "vars", "subs"; 27use strict qw(vars subs);
27 28
28use Symbol; 29use Symbol;
29use List::Util; 30use List::Util;
30use Socket; 31use Socket;
31use EV; 32use EV;
32use Opcode; 33use Opcode;
33use Safe; 34use Safe;
34use Safe::Hole; 35use Safe::Hole;
35use Storable (); 36use Storable ();
36 37
38use Guard ();
37use Coro (); 39use Coro ();
38use Coro::State; 40use Coro::State;
39use Coro::Handle; 41use Coro::Handle;
40use Coro::EV; 42use Coro::EV;
41use Coro::AnyEvent; 43use Coro::AnyEvent;
42use Coro::Timer; 44use Coro::Timer;
43use Coro::Signal; 45use Coro::Signal;
44use Coro::Semaphore; 46use Coro::Semaphore;
47use Coro::SemaphoreSet;
45use Coro::AnyEvent; 48use Coro::AnyEvent;
46use Coro::AIO; 49use Coro::AIO;
47use Coro::BDB 1.6; 50use Coro::BDB 1.6;
48use Coro::Storable; 51use Coro::Storable;
49use Coro::Util (); 52use Coro::Util ();
… …
51use JSON::XS 2.01 (); 54use JSON::XS 2.01 ();
52use BDB (); 55use BDB ();
53use Data::Dumper; 56use Data::Dumper;
54use Digest::MD5; 57use Digest::MD5;
55use Fcntl; 58use Fcntl;
56use YAML (); 59use YAML::XS ();
57use IO::AIO (); 60use IO::AIO ();
58use Time::HiRes; 61use Time::HiRes;
59use Compress::LZF; 62use Compress::LZF;
60use Digest::MD5 (); 63use Digest::MD5 ();
61 64
… …
63 66
64# configure various modules to our taste 67# configure various modules to our taste
65# 68#
66$Storable::canonical = 1; # reduce rsync transfers 69$Storable::canonical = 1; # reduce rsync transfers
67Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
68Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69 77
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 78# strictly for debugging
79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
71 80
72sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
73 82
74our %COMMAND = (); 83our %COMMAND = ();
75our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
… …
78our %EXTCMD = (); 87our %EXTCMD = ();
79our %EXTICMD = (); 88our %EXTICMD = ();
80our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
81our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
82 91
83our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
84our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
85 96
86our $CONFDIR = confdir; 97our $CONFDIR = confdir;
87our $DATADIR = datadir; 98our $DATADIR = datadir;
88our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
89our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
90our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
91our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
92our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
93our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
96our $BDBDIR = "$LOCALDIR/db"; 107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
97our %RESOURCE; 111our %RESOURCE;
98 112
99our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 113our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
100our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 114our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
101our $NEXT_TICK; 115our $NEXT_TICK;
102our $USE_FSYNC = 1; # use fsync to write maps - default off 116our $USE_FSYNC = 1; # use fsync to write maps - default on
103 117
104our $BDB_DEADLOCK_WATCHER; 118our $BDB_DEADLOCK_WATCHER;
105our $BDB_CHECKPOINT_WATCHER; 119our $BDB_CHECKPOINT_WATCHER;
106our $BDB_TRICKLE_WATCHER; 120our $BDB_TRICKLE_WATCHER;
107our $DB_ENV; 121our $DB_ENV;
108 122
123our @EXTRA_MODULES = qw(pod match mapscript);
124
109our %CFG; 125our %CFG;
110 126
111our $UPTIME; $UPTIME ||= time; 127our $UPTIME; $UPTIME ||= time;
112our $RUNTIME; 128our $RUNTIME;
113our $NOW; 129our $NOW;
… …
122our $LOAD; # a number between 0 (idle) and 1 (too many objects) 138our $LOAD; # a number between 0 (idle) and 1 (too many objects)
123our $LOADAVG; # same thing, but with alpha-smoothing 139our $LOADAVG; # same thing, but with alpha-smoothing
124our $JITTER; # average jitter 140our $JITTER; # average jitter
125our $TICK_START; # for load detecting purposes 141our $TICK_START; # for load detecting purposes
126 142
143our @POST_INIT;
144
145our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
146our $REALLY_UNLOOP; # never set to true, please :)
147
127binmode STDOUT; 148binmode STDOUT;
128binmode STDERR; 149binmode STDERR;
129 150
130# read virtual server time, if available 151# read virtual server time, if available
131unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 152unless ($RUNTIME || !-e $RUNTIMEFILE) {
132 open my $fh, "<", "$LOCALDIR/runtime" 153 open my $fh, "<", $RUNTIMEFILE
133 or die "unable to read runtime file: $!"; 154 or die "unable to read $RUNTIMEFILE file: $!";
134 $RUNTIME = <$fh> + 0.; 155 $RUNTIME = <$fh> + 0.;
135} 156}
157
158eval "sub TICK() { $TICK } 1" or die;
136 159
137mkdir $_ 160mkdir $_
138 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 161 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
139 162
140our $EMERGENCY_POSITION; 163our $EMERGENCY_POSITION;
141 164
142sub cf::map::normalise; 165sub cf::map::normalise;
166
167#############################################################################
168
169%REFLECT = ();
170for (@REFLECT) {
171 my $reflect = JSON::XS::decode_json $_;
172 $REFLECT{$reflect->{class}} = $reflect;
173}
174
175# this is decidedly evil
176$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
143 177
144############################################################################# 178#############################################################################
145 179
146=head2 GLOBAL VARIABLES 180=head2 GLOBAL VARIABLES
147 181
… …
198 232
199This array contains the results of the last C<invoke ()> call. When 233This array contains the results of the last C<invoke ()> call. When
200C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of 234C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
201that call. 235that call.
202 236
237=item %cf::REFLECT
238
239Contains, for each (C++) class name, a hash reference with information
240about object members (methods, scalars, arrays and flags) and other
241metadata, which is useful for introspection.
242
203=back 243=back
204 244
205=cut 245=cut
206 246
207BEGIN { 247$Coro::State::WARNHOOK = sub {
208 *CORE::GLOBAL::warn = sub {
209 my $msg = join "", @_; 248 my $msg = join "", @_;
210 249
211 $msg .= "\n" 250 $msg .= "\n"
212 unless $msg =~ /\n$/; 251 unless $msg =~ /\n$/;
213 252
214 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 253 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
215 254
216 LOG llevError, $msg; 255 LOG llevError, $msg;
217 }; 256};
218}
219 257
220$Coro::State::DIEHOOK = sub { 258$Coro::State::DIEHOOK = sub {
221 return unless $^S eq 0; # "eq", not "==" 259 return unless $^S eq 0; # "eq", not "=="
260
261 warn Carp::longmess $_[0];
222 262
223 if ($Coro::current == $Coro::main) {#d# 263 if ($Coro::current == $Coro::main) {#d#
224 warn "DIEHOOK called in main context, Coro bug?\n";#d# 264 warn "DIEHOOK called in main context, Coro bug?\n";#d#
225 return;#d# 265 return;#d#
226 }#d# 266 }#d#
227 267
228 # kill coroutine otherwise 268 # kill coroutine otherwise
229 warn Carp::longmess $_[0];
230 Coro::terminate 269 Coro::terminate
231}; 270};
232
233$SIG{__DIE__} = sub { }; #d#?
234 271
235@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 272@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
236@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 273@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
237@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 274@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
238@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 275@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
… …
299our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 336our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
300 337
301sub encode_json($) { $json_coder->encode ($_[0]) } 338sub encode_json($) { $json_coder->encode ($_[0]) }
302sub decode_json($) { $json_coder->decode ($_[0]) } 339sub decode_json($) { $json_coder->decode ($_[0]) }
303 340
341=item cf::post_init { BLOCK }
342
343Execute the given codeblock, I<after> all extensions have been (re-)loaded,
344but I<before> the server starts ticking again.
345
346The cdoeblock will have a single boolean argument to indicate whether this
347is a reload or not.
348
349=cut
350
351sub post_init(&) {
352 push @POST_INIT, shift;
353}
354
304=item cf::lock_wait $string 355=item cf::lock_wait $string
305 356
306Wait until the given lock is available. See cf::lock_acquire. 357Wait until the given lock is available. See cf::lock_acquire.
307 358
308=item my $lock = cf::lock_acquire $string 359=item my $lock = cf::lock_acquire $string
309 360
310Wait until the given lock is available and then acquires it and returns 361Wait until the given lock is available and then acquires it and returns
311a Coro::guard object. If the guard object gets destroyed (goes out of scope, 362a L<Guard> object. If the guard object gets destroyed (goes out of scope,
312for example when the coroutine gets canceled), the lock is automatically 363for example when the coroutine gets canceled), the lock is automatically
313returned. 364returned.
314 365
315Locks are *not* recursive, locking from the same coro twice results in a 366Locks are *not* recursive, locking from the same coro twice results in a
316deadlocked coro. 367deadlocked coro.
… …
322 373
323Return true if the lock is currently active, i.e. somebody has locked it. 374Return true if the lock is currently active, i.e. somebody has locked it.
324 375
325=cut 376=cut
326 377
327our %LOCK; 378our $LOCKS = new Coro::SemaphoreSet;
328our %LOCKER;#d#
329 379
330sub lock_wait($) { 380sub lock_wait($) {
331 my ($key) = @_; 381 $LOCKS->wait ($_[0]);
332
333 if ($LOCKER{$key} == $Coro::current) {#d#
334 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335 return;#d#
336 }#d#
337
338 # wait for lock, if any
339 while ($LOCK{$key}) {
340 push @{ $LOCK{$key} }, $Coro::current;
341 Coro::schedule;
342 }
343} 382}
344 383
345sub lock_acquire($) { 384sub lock_acquire($) {
346 my ($key) = @_; 385 $LOCKS->guard ($_[0])
347
348 # wait, to be sure we are not locked
349 lock_wait $key;
350
351 $LOCK{$key} = [];
352 $LOCKER{$key} = $Coro::current;#d#
353
354 Coro::guard {
355 delete $LOCKER{$key};#d#
356 # wake up all waiters, to be on the safe side
357 $_->ready for @{ delete $LOCK{$key} };
358 }
359} 386}
360 387
361sub lock_active($) { 388sub lock_active($) {
362 my ($key) = @_; 389 $LOCKS->count ($_[0]) < 1
363
364 ! ! $LOCK{$key}
365} 390}
366 391
367sub freeze_mainloop { 392sub freeze_mainloop {
368 tick_inhibit_inc; 393 tick_inhibit_inc;
369 394
370 Coro::guard \&tick_inhibit_dec; 395 &Guard::guard (\&tick_inhibit_dec);
371} 396}
372 397
373=item cf::periodic $interval, $cb 398=item cf::periodic $interval, $cb
374 399
375Like EV::periodic, but randomly selects a starting point so that the actions 400Like EV::periodic, but randomly selects a starting point so that the actions
… …
727 752
728############################################################################# 753#############################################################################
729 754
730=head2 ATTACHABLE OBJECTS 755=head2 ATTACHABLE OBJECTS
731 756
732Many objects in crossfire are so-called attachable objects. That means you can 757Many objects in deliantra are so-called attachable objects. That means you can
733attach callbacks/event handlers (a collection of which is called an "attachment") 758attach callbacks/event handlers (a collection of which is called an "attachment")
734to it. All such attachable objects support the following methods. 759to it. All such attachable objects support the following methods.
735 760
736In the following description, CLASS can be any of C<global>, C<object> 761In the following description, CLASS can be any of C<global>, C<object>
737C<player>, C<client> or C<map> (i.e. the attachable objects in 762C<player>, C<client> or C<map> (i.e. the attachable objects in
… …
787=item cf::CLASS::attachment $name, ... 812=item cf::CLASS::attachment $name, ...
788 813
789Register an attachment by C<$name> through which attachable objects of the 814Register an attachment by C<$name> through which attachable objects of the
790given CLASS can refer to this attachment. 815given CLASS can refer to this attachment.
791 816
792Some classes such as crossfire maps and objects can specify attachments 817Some classes such as deliantra maps and objects can specify attachments
793that are attached at load/instantiate time, thus the need for a name. 818that are attached at load/instantiate time, thus the need for a name.
794 819
795These calls expect any number of the following handler/hook descriptions: 820These calls expect any number of the following handler/hook descriptions:
796 821
797=over 4 822=over 4
… …
1147 $decname, length $$rdata, scalar @$objs; 1172 $decname, length $$rdata, scalar @$objs;
1148 1173
1149 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1174 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1150 aio_chmod $fh, SAVE_MODE; 1175 aio_chmod $fh, SAVE_MODE;
1151 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1176 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1152 aio_fsync $fh if $cf::USE_FSYNC; 1177 if ($cf::USE_FSYNC) {
1178 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;
1179 aio_fsync $fh;
1180 }
1153 aio_close $fh; 1181 aio_close $fh;
1154 1182
1155 if (@$objs) { 1183 if (@$objs) {
1156 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1184 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1157 aio_chmod $fh, SAVE_MODE; 1185 aio_chmod $fh, SAVE_MODE;
1158 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs }; 1186 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1159 aio_write $fh, 0, (length $data), $data, 0; 1187 aio_write $fh, 0, (length $data), $data, 0;
1160 aio_fsync $fh if $cf::USE_FSYNC; 1188 if ($cf::USE_FSYNC) {
1189 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;
1190 aio_fsync $fh;
1191 }
1161 aio_close $fh; 1192 aio_close $fh;
1162 aio_rename "$filename.pst~", "$filename.pst"; 1193 aio_rename "$filename.pst~", "$filename.pst";
1163 } 1194 }
1164 } else { 1195 } else {
1165 aio_unlink "$filename.pst"; 1196 aio_unlink "$filename.pst";
1166 } 1197 }
1167 1198
1168 aio_rename "$filename~", $filename; 1199 aio_rename "$filename~", $filename;
1200
1201 $filename =~ s%/[^/]+$%%;
1202 aio_pathsync $filename if $cf::USE_FSYNC;
1169 } else { 1203 } else {
1170 warn "FATAL: $filename~: $!\n"; 1204 warn "unable to save objects: $filename~: $!\n";
1171 } 1205 }
1172 } else { 1206 } else {
1173 aio_unlink $filename; 1207 aio_unlink $filename;
1174 aio_unlink "$filename.pst"; 1208 aio_unlink "$filename.pst";
1175 } 1209 }
… …
1266 my ($name, $cb) = @_; 1300 my ($name, $cb) = @_;
1267 1301
1268 $EXTICMD{$name} = $cb; 1302 $EXTICMD{$name} = $cb;
1269} 1303}
1270 1304
1305use File::Glob ();
1306
1271cf::player->attach ( 1307cf::player->attach (
1272 on_command => sub { 1308 on_command => sub {
1273 my ($pl, $name, $params) = @_; 1309 my ($pl, $name, $params) = @_;
1274 1310
1275 my $cb = $COMMAND{$name} 1311 my $cb = $COMMAND{$name}
… …
1306 } 1342 }
1307 1343
1308 cf::override; 1344 cf::override;
1309 }, 1345 },
1310); 1346);
1347
1348# "readahead" all extensions
1349sub cache_extensions {
1350 my $grp = IO::AIO::aio_group;
1351
1352 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1353 for (grep /\.ext$/, @{$_[0]}) {
1354 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1355 }
1356 };
1357
1358 $grp
1359}
1311 1360
1312sub load_extensions { 1361sub load_extensions {
1313 cf::sync_job { 1362 cf::sync_job {
1314 my %todo; 1363 my %todo;
1315 1364
… …
1385 1434
1386=back 1435=back
1387 1436
1388=head2 CORE EXTENSIONS 1437=head2 CORE EXTENSIONS
1389 1438
1390Functions and methods that extend core crossfire objects. 1439Functions and methods that extend core deliantra objects.
1391 1440
1392=cut 1441=cut
1393 1442
1394package cf::player; 1443package cf::player;
1395 1444
… …
1438 1487
1439sub exists($) { 1488sub exists($) {
1440 my ($login) = @_; 1489 my ($login) = @_;
1441 1490
1442 $cf::PLAYER{$login} 1491 $cf::PLAYER{$login}
1443 or cf::sync_job { !aio_stat path $login } 1492 or !aio_stat path $login
1444} 1493}
1445 1494
1446sub find($) { 1495sub find($) {
1447 return $cf::PLAYER{$_[0]} || do { 1496 return $cf::PLAYER{$_[0]} || do {
1448 my $login = $_[0]; 1497 my $login = $_[0];
… …
1619 } 1668 }
1620 1669
1621 \@paths 1670 \@paths
1622} 1671}
1623 1672
1624=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1673=item $protocol_xml = $player->expand_cfpod ($cfpod)
1625 1674
1626Expand crossfire pod fragments into protocol xml. 1675Expand deliantra pod fragments into protocol xml.
1627
1628=cut
1629
1630sub expand_cfpod {
1631 my ($self, $pod) = @_;
1632
1633 my @nest = [qr<\G$>, undef, ""];
1634 my $xml;
1635
1636 for ($pod) {
1637 while () {
1638 if (/\G( (?: [^BCEGHITUZ&>\n\ ]+ | [BCEGHITUZ](?!<) | \ (?!>) )+ )/xgcs) {
1639 $xml .= $1;
1640 } elsif (/\G\n(?=\S)/xgcs) {
1641 $xml .= " ";
1642 } elsif (/\G\n/xgcs) {
1643 $xml .= "\n";
1644 } elsif (/\G ([BCEGHITUZ]) (< (?: <+\ | (?!<) ) )/xgcs) {
1645 my ($code, $delim) = ($1, scalar reverse $2);
1646 $delim =~ y/</>/; # delim now contains the stop sequence
1647 $delim = qr{\G\Q$delim};
1648
1649 my $cb;
1650
1651 if ($code eq "B") {
1652 $cb = sub { "<b>$_[0]</b>" };
1653 } elsif ($code eq "C") {
1654 $cb = sub { "<tt>$_[0]</tt>" };
1655 } elsif ($code eq "E") {
1656 $cb = sub { warn "E<$_[0]>\n";"&$_[0];" };
1657 } elsif ($code eq "G") {
1658 $cb = sub {
1659 my ($male, $female) = split /\|/, $_[0];
1660 $self->gender ? $female : $male
1661 };
1662 } elsif ($code eq "H") {
1663 $cb = sub {
1664 (
1665 "<fg name=\"lightblue\">[$_[0] (Use hintmode to suppress hints)]</fg>",
1666 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1667 "",
1668 )[$self->{hintmode}];
1669 };
1670 } elsif ($code eq "I") {
1671 $cb = sub { "<i>$_[0]</i>" };
1672 } elsif ($code eq "T") {
1673 $cb = sub { "<big><b>$_[0]</b></big>" };
1674 } elsif ($code eq "U") {
1675 $cb = sub { "<u>$_[0]</u>" };
1676 } elsif ($code eq "Z") {
1677 $cb = sub { };
1678 } else {
1679 die "FATAL error in expand_cfpod";
1680 }
1681
1682 push @nest, [$delim, $cb, $xml];
1683 undef $xml;
1684
1685 } elsif ($_ =~ /$nest[-1][0]/gcs) {
1686 my $nest = pop @nest;
1687
1688 if ($nest->[1]) {
1689 $xml = $nest->[2] . $nest->[1]->($xml);
1690 } else {
1691 last;
1692 }
1693 } elsif (/\G</xgcs) {
1694 $xml .= "&lt;";
1695 } elsif (/\G&/xgcs) {
1696 $xml .= "&amp;";
1697 } elsif (/\G>/xgcs) {
1698 $xml .= ">";
1699 } else {
1700 if ($pod =~ /\G(.+)/xgcs) {
1701 warn "parse error (at $1)($nest[-1][0]) while expanding cfpod:\n$pod";
1702 last;
1703 } else {
1704 warn "parse error (unclosed interior sequence at end of cfpod) while expanding cfpod:\n$pod";
1705 return "<b>Sorry, the server encountered an internal error when formatting this message, please report this.</b>";
1706 }
1707 }
1708 }
1709 }
1710
1711 $xml
1712}
1713
1714sub hintmode {
1715 $_[0]{hintmode} = $_[1] if @_ > 1;
1716 $_[0]{hintmode}
1717}
1718 1676
1719=item $player->ext_reply ($msgid, @msg) 1677=item $player->ext_reply ($msgid, @msg)
1720 1678
1721Sends an ext reply to the player. 1679Sends an ext reply to the player.
1722 1680
… …
1935 1893
1936 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go; 1894 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1937 "$UNIQUEDIR/$path" 1895 "$UNIQUEDIR/$path"
1938} 1896}
1939 1897
1940# and all this just because we cannot iterate over
1941# all maps in C++...
1942sub change_all_map_light {
1943 my ($change) = @_;
1944
1945 $_->change_map_light ($change)
1946 for grep $_->outdoor, values %cf::MAP;
1947}
1948
1949sub decay_objects { 1898sub decay_objects {
1950 my ($self) = @_; 1899 my ($self) = @_;
1951 1900
1952 return if $self->{deny_reset}; 1901 return if $self->{deny_reset};
1953 1902
… …
2035sub find { 1984sub find {
2036 my ($path, $origin) = @_; 1985 my ($path, $origin) = @_;
2037 1986
2038 $path = normalise $path, $origin && $origin->path; 1987 $path = normalise $path, $origin && $origin->path;
2039 1988
2040 cf::lock_wait "map_data:$path";#d#remove 1989 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2041 cf::lock_wait "map_find:$path"; 1990 my $guard2 = cf::lock_acquire "map_find:$path";
2042 1991
2043 $cf::MAP{$path} || do { 1992 $cf::MAP{$path} || do {
2044 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2045 my $guard2 = cf::lock_acquire "map_find:$path";
2046
2047 my $map = new_from_path cf::map $path 1993 my $map = new_from_path cf::map $path
2048 or return; 1994 or return;
2049 1995
2050 $map->{last_save} = $cf::RUNTIME; 1996 $map->{last_save} = $cf::RUNTIME;
2051 1997
… …
2119 unless ($self->{deny_activate}) { 2065 unless ($self->{deny_activate}) {
2120 $self->decay_objects; 2066 $self->decay_objects;
2121 $self->fix_auto_apply; 2067 $self->fix_auto_apply;
2122 $self->update_buttons; 2068 $self->update_buttons;
2123 cf::cede_to_tick; 2069 cf::cede_to_tick;
2124 $self->set_darkness_map;
2125 cf::cede_to_tick;
2126 $self->activate; 2070 $self->activate;
2127 } 2071 }
2128 2072
2129 $self->{last_save} = $cf::RUNTIME; 2073 $self->{last_save} = $cf::RUNTIME;
2130 $self->last_access ($cf::RUNTIME); 2074 $self->last_access ($cf::RUNTIME);
… …
2296 2240
2297 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2241 my $lock = cf::lock_acquire "map_data:$self->{path}";
2298 2242
2299 return if $self->players; 2243 return if $self->players;
2300 2244
2301 warn "resetting map ", $self->path; 2245 warn "resetting map ", $self->path, "\n";
2302 2246
2303 $self->in_memory (cf::MAP_SWAPPED); 2247 $self->in_memory (cf::MAP_SWAPPED);
2304 2248
2305 # need to save uniques path 2249 # need to save uniques path
2306 unless ($self->{deny_save}) { 2250 unless ($self->{deny_save}) {
… …
2471 2415
2472our $SAY_CHANNEL = { 2416our $SAY_CHANNEL = {
2473 id => "say", 2417 id => "say",
2474 title => "Map", 2418 title => "Map",
2475 reply => "say ", 2419 reply => "say ",
2476 tooltip => "Things said to and replied from npcs near you and other players on the same map only.", 2420 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2477}; 2421};
2478 2422
2479our $CHAT_CHANNEL = { 2423our $CHAT_CHANNEL = {
2480 id => "chat", 2424 id => "chat",
2481 title => "Chat", 2425 title => "Chat",
… …
2536 2480
2537=item $player_object->enter_link 2481=item $player_object->enter_link
2538 2482
2539Freezes the player and moves him/her to a special map (C<{link}>). 2483Freezes the player and moves him/her to a special map (C<{link}>).
2540 2484
2541The player should be reasonably safe there for short amounts of time. You 2485The player should be reasonably safe there for short amounts of time (e.g.
2542I<MUST> call C<leave_link> as soon as possible, though. 2486for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2487though, as the palyer cannot control the character while it is on the link
2488map.
2543 2489
2544Will never block. 2490Will never block.
2545 2491
2546=item $player_object->leave_link ($map, $x, $y) 2492=item $player_object->leave_link ($map, $x, $y)
2547 2493
… …
2605 2551
2606 $map->load; 2552 $map->load;
2607 $map->load_neighbours; 2553 $map->load_neighbours;
2608 2554
2609 return unless $self->contr->active; 2555 return unless $self->contr->active;
2610 $self->activate_recursive;
2611 2556
2612 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2557 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2613 $self->enter_map ($map, $x, $y); 2558 $self->enter_map ($map, $x, $y);
2559
2560 # only activate afterwards, to support waiting in hooks
2561 $self->activate_recursive;
2614} 2562}
2615 2563
2616=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2564=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2617 2565
2618Moves the player to the given map-path and coordinates by first freezing 2566Moves the player to the given map-path and coordinates by first freezing
… …
2777 $self->contr->savebed ($map, $x, $y) 2725 $self->contr->savebed ($map, $x, $y)
2778 if $exit->flag (cf::FLAG_DAMNED); 2726 if $exit->flag (cf::FLAG_DAMNED);
2779 2727
2780 1 2728 1
2781 }) { 2729 }) {
2782 $self->message ("Something went wrong deep within the crossfire server. " 2730 $self->message ("Something went wrong deep within the deliantra server. "
2783 . "I'll try to bring you back to the map you were before. " 2731 . "I'll try to bring you back to the map you were before. "
2784 . "Please report this to the dungeon master!", 2732 . "Please report this to the dungeon master!",
2785 cf::NDI_UNIQUE | cf::NDI_RED); 2733 cf::NDI_UNIQUE | cf::NDI_RED);
2786 2734
2787 warn "ERROR in enter_exit: $@"; 2735 warn "ERROR in enter_exit: $@";
… …
2853 id => "infobox", 2801 id => "infobox",
2854 title => "Body Parts", 2802 title => "Body Parts",
2855 reply => undef, 2803 reply => undef,
2856 tooltip => "Shows which body parts you posess and are available", 2804 tooltip => "Shows which body parts you posess and are available",
2857 }, 2805 },
2806 "c/statistics" => {
2807 id => "infobox",
2808 title => "Statistics",
2809 reply => undef,
2810 tooltip => "Shows your primary statistics",
2811 },
2812 "c/skills" => {
2813 id => "infobox",
2814 title => "Skills",
2815 reply => undef,
2816 tooltip => "Shows your experience per skill and item power",
2817 },
2818 "c/shopitems" => {
2819 id => "infobox",
2820 title => "Shop Items",
2821 reply => undef,
2822 tooltip => "Shows the items currently for sale in this shop",
2823 },
2824 "c/resistances" => {
2825 id => "infobox",
2826 title => "Resistances",
2827 reply => undef,
2828 tooltip => "Shows your resistances",
2829 },
2830 "c/pets" => {
2831 id => "infobox",
2832 title => "Pets",
2833 reply => undef,
2834 tooltip => "Shows information abotu your pets/a specific pet",
2835 },
2836 "c/perceiveself" => {
2837 id => "infobox",
2838 title => "Perceive Self",
2839 reply => undef,
2840 tooltip => "You gained detailed knowledge about yourself",
2841 },
2858 "c/uptime" => { 2842 "c/uptime" => {
2859 id => "infobox", 2843 id => "infobox",
2860 title => "Uptime", 2844 title => "Uptime",
2861 reply => undef, 2845 reply => undef,
2862 tooltip => "How long the server has been running since last restart", 2846 tooltip => "How long the server has been running since last restart",
… …
2871 id => "party", 2855 id => "party",
2872 title => "Party", 2856 title => "Party",
2873 reply => "gsay ", 2857 reply => "gsay ",
2874 tooltip => "Messages and chat related to your party", 2858 tooltip => "Messages and chat related to your party",
2875 }, 2859 },
2860 "c/death" => {
2861 id => "death",
2862 title => "Death",
2863 reply => undef,
2864 tooltip => "Reason for and more info about your most recent death",
2865 },
2866 "c/say" => $SAY_CHANNEL,
2867 "c/chat" => $CHAT_CHANNEL,
2876); 2868);
2877 2869
2878sub cf::client::send_msg { 2870sub cf::client::send_msg {
2879 my ($self, $channel, $msg, $color, @extra) = @_; 2871 my ($self, $channel, $msg, $color, @extra) = @_;
2880 2872
2881 $msg = $self->pl->expand_cfpod ($msg); 2873 $msg = $self->pl->expand_cfpod ($msg)
2874 unless $color & cf::NDI_VERBATIM;
2882 2875
2883 $color &= cf::NDI_CLIENT_MASK; # just in case... 2876 $color &= cf::NDI_CLIENT_MASK; # just in case...
2884 2877
2885 # check predefined channels, for the benefit of C 2878 # check predefined channels, for the benefit of C
2886 if ($CHANNEL{$channel}) { 2879 if ($CHANNEL{$channel}) {
2887 $channel = $CHANNEL{$channel}; 2880 $channel = $CHANNEL{$channel};
2888 2881
2889 $self->ext_msg (channel_info => $channel) 2882 $self->ext_msg (channel_info => $channel);
2890 if $self->can_msg;
2891
2892 $channel = $channel->{id}; 2883 $channel = $channel->{id};
2893 2884
2894 } elsif (ref $channel) { 2885 } elsif (ref $channel) {
2895 # send meta info to client, if not yet sent 2886 # send meta info to client, if not yet sent
2896 unless (exists $self->{channel}{$channel->{id}}) { 2887 unless (exists $self->{channel}{$channel->{id}}) {
2897 $self->{channel}{$channel->{id}} = $channel; 2888 $self->{channel}{$channel->{id}} = $channel;
2898 $self->ext_msg (channel_info => $channel) 2889 $self->ext_msg (channel_info => $channel);
2899 if $self->can_msg;
2900 } 2890 }
2901 2891
2902 $channel = $channel->{id}; 2892 $channel = $channel->{id};
2903 } 2893 }
2904 2894
2905 return unless @extra || length $msg; 2895 return unless @extra || length $msg;
2906 2896
2907 if ($self->can_msg) {
2908 # default colour, mask it out 2897 # default colour, mask it out
2909 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2898 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2910 if $color & cf::NDI_DEF; 2899 if $color & cf::NDI_DEF;
2911 2900
2912 my $pkt = "msg " 2901 my $pkt = "msg "
2913 . $self->{json_coder}->encode ( 2902 . $self->{json_coder}->encode (
2914 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra] 2903 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2915 ); 2904 );
2916 2905
2917 # try lzf for large packets 2906 # try lzf for large packets
2918 $pkt = "lzf " . Compress::LZF::compress $pkt 2907 $pkt = "lzf " . Compress::LZF::compress $pkt
2919 if 1024 <= length $pkt and $self->{can_lzf}; 2908 if 1024 <= length $pkt and $self->{can_lzf};
2920 2909
2921 # split very large packets 2910 # split very large packets
2922 if (8192 < length $pkt and $self->{can_lzf}) { 2911 if (8192 < length $pkt and $self->{can_lzf}) {
2923 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt; 2912 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2924 $pkt = "frag"; 2913 $pkt = "frag";
2925 } 2914 }
2926 2915
2927 $self->send_packet ($pkt); 2916 $self->send_packet ($pkt);
2928 } else {
2929 if ($color >= 0) {
2930 # replace some tags by gcfclient-compatible ones
2931 for ($msg) {
2932 1 while
2933 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2934 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2935 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2936 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2937 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2938 }
2939
2940 $color &= cf::NDI_COLOR_MASK;
2941
2942 utf8::encode $msg;
2943
2944 if (0 && $msg =~ /\[/) {
2945 # COMMAND/INFO
2946 $self->send_packet ("drawextinfo $color 10 8 $msg")
2947 } else {
2948 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2949 $self->send_packet ("drawinfo $color $msg")
2950 }
2951 }
2952 }
2953} 2917}
2954 2918
2955=item $client->ext_msg ($type, @msg) 2919=item $client->ext_msg ($type, @msg)
2956 2920
2957Sends an ext event to the client. 2921Sends an ext event to the client.
… …
3132The following functions and methods are available within a safe environment: 3096The following functions and methods are available within a safe environment:
3133 3097
3134 cf::object 3098 cf::object
3135 contr pay_amount pay_player map x y force_find force_add destroy 3099 contr pay_amount pay_player map x y force_find force_add destroy
3136 insert remove name archname title slaying race decrease split 3100 insert remove name archname title slaying race decrease split
3101 value
3137 3102
3138 cf::object::player 3103 cf::object::player
3139 player 3104 player
3140 3105
3141 cf::player 3106 cf::player
… …
3147=cut 3112=cut
3148 3113
3149for ( 3114for (
3150 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3115 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3151 insert remove inv nrof name archname title slaying race 3116 insert remove inv nrof name archname title slaying race
3152 decrease split destroy change_exp)], 3117 decrease split destroy change_exp value msg lore send_msg)],
3153 ["cf::object::player" => qw(player)], 3118 ["cf::object::player" => qw(player)],
3154 ["cf::player" => qw(peaceful)], 3119 ["cf::player" => qw(peaceful send_msg)],
3155 ["cf::map" => qw(trigger)], 3120 ["cf::map" => qw(trigger)],
3156) { 3121) {
3157 no strict 'refs'; 3122 no strict 'refs';
3158 my ($pkg, @funs) = @$_; 3123 my ($pkg, @funs) = @$_;
3159 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3124 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
3176 my ($code, %vars) = @_; 3141 my ($code, %vars) = @_;
3177 3142
3178 my $qcode = $code; 3143 my $qcode = $code;
3179 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3144 $qcode =~ s/"/‟/g; # not allowed in #line filenames
3180 $qcode =~ s/\n/\\n/g; 3145 $qcode =~ s/\n/\\n/g;
3146
3147 %vars = (_dummy => 0) unless %vars;
3181 3148
3182 local $_; 3149 local $_;
3183 local @safe::cf::_safe_eval_args = values %vars; 3150 local @safe::cf::_safe_eval_args = values %vars;
3184 3151
3185 my $eval = 3152 my $eval =
… …
3415 reload_treasures; 3382 reload_treasures;
3416 3383
3417 warn "finished reloading resource files\n"; 3384 warn "finished reloading resource files\n";
3418} 3385}
3419 3386
3420sub init {
3421 my $guard = freeze_mainloop;
3422
3423 evthread_start IO::AIO::poll_fileno;
3424
3425 reload_resources;
3426}
3427
3428sub reload_config { 3387sub reload_config {
3429 open my $fh, "<:utf8", "$CONFDIR/config" 3388 open my $fh, "<:utf8", "$CONFDIR/config"
3430 or return; 3389 or return;
3431 3390
3432 local $/; 3391 local $/;
3433 *CFG = YAML::Load <$fh>; 3392 *CFG = YAML::XS::Load <$fh>;
3434 3393
3435 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3394 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3436 3395
3437 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3396 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3438 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3397 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
3444 }; 3403 };
3445 warn $@ if $@; 3404 warn $@ if $@;
3446 } 3405 }
3447} 3406}
3448 3407
3408sub pidfile() {
3409 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3410 or die "$PIDFILE: $!";
3411 flock $fh, &Fcntl::LOCK_EX
3412 or die "$PIDFILE: flock: $!";
3413 $fh
3414}
3415
3416# make sure only one server instance is running at any one time
3417sub atomic {
3418 my $fh = pidfile;
3419
3420 my $pid = <$fh>;
3421 kill 9, $pid if $pid > 0;
3422
3423 seek $fh, 0, 0;
3424 print $fh $$;
3425}
3426
3427sub main_loop {
3428 warn "EV::loop starting\n";
3429 if (1) {
3430 EV::loop;
3431 }
3432 warn "EV::loop returned\n";
3433 goto &main_loop unless $REALLY_UNLOOP;
3434}
3435
3449sub main { 3436sub main {
3437 cf::init_globals; # initialise logging
3438
3439 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3440 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3441 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3442 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3443
3444 cf::init_experience;
3445 cf::init_anim;
3446 cf::init_attackmess;
3447 cf::init_dynamic;
3448
3449 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3450
3450 # we must not ever block the main coroutine 3451 # we must not ever block the main coroutine
3451 local $Coro::idle = sub { 3452 local $Coro::idle = sub {
3452 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3453 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3453 (async { 3454 (async {
3454 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3455 $Coro::current->{desc} = "IDLE BUG HANDLER";
3455 EV::loop EV::LOOP_ONESHOT; 3456 EV::loop EV::LOOP_ONESHOT;
3456 })->prio (Coro::PRIO_MAX); 3457 })->prio (Coro::PRIO_MAX);
3457 }; 3458 };
3458 3459
3459 { 3460 evthread_start IO::AIO::poll_fileno;
3460 my $guard = freeze_mainloop; 3461
3462 cf::sync_job {
3463 reload_resources;
3461 reload_config; 3464 reload_config;
3462 db_init; 3465 db_init;
3466
3467 cf::load_settings;
3468 cf::load_materials;
3469 cf::init_uuid;
3470 cf::init_signals;
3471 cf::init_commands;
3472 cf::init_skills;
3473
3474 cf::init_beforeplay;
3475
3476 atomic;
3477
3463 load_extensions; 3478 load_extensions;
3464 3479
3465 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3480 utime time, time, $RUNTIMEFILE;
3481
3482 # no (long-running) fork's whatsoever before this point(!)
3483 use POSIX ();
3484 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3485
3486 (pop @POST_INIT)->(0) while @POST_INIT;
3466 } 3487 };
3467 3488
3468 EV::loop; 3489 main_loop;
3469} 3490}
3470 3491
3471############################################################################# 3492#############################################################################
3472# initialisation and cleanup 3493# initialisation and cleanup
3473 3494
… …
3480 }; 3501 };
3481 } 3502 }
3482} 3503}
3483 3504
3484sub write_runtime_sync { 3505sub write_runtime_sync {
3485 my $runtime = "$LOCALDIR/runtime";
3486
3487 # first touch the runtime file to show we are still running: 3506 # first touch the runtime file to show we are still running:
3488 # the fsync below can take a very very long time. 3507 # the fsync below can take a very very long time.
3489 3508
3490 IO::AIO::aio_utime $runtime, undef, undef; 3509 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3491 3510
3492 my $guard = cf::lock_acquire "write_runtime"; 3511 my $guard = cf::lock_acquire "write_runtime";
3493 3512
3494 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3513 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3495 or return; 3514 or return;
3496 3515
3497 my $value = $cf::RUNTIME + 90 + 10; 3516 my $value = $cf::RUNTIME + 90 + 10;
3498 # 10 is the runtime save interval, for a monotonic clock 3517 # 10 is the runtime save interval, for a monotonic clock
3499 # 60 allows for the watchdog to kill the server. 3518 # 60 allows for the watchdog to kill the server.
… …
3509 aio_utime $fh, undef, undef; 3528 aio_utime $fh, undef, undef;
3510 3529
3511 close $fh 3530 close $fh
3512 or return; 3531 or return;
3513 3532
3514 aio_rename "$runtime~", $runtime 3533 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3515 and return; 3534 and return;
3516 3535
3517 warn "runtime file written.\n"; 3536 warn "runtime file written.\n";
3518 3537
3519 1 3538 1
… …
3531 my $uuid = "$LOCALDIR/uuid"; 3550 my $uuid = "$LOCALDIR/uuid";
3532 3551
3533 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644 3552 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3534 or return; 3553 or return;
3535 3554
3536 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur; 3555 my $value = uuid_seq uuid_cur;
3556
3557 unless ($value) {
3558 warn "cowardly refusing to write zero uuid value!\n";
3559 return;
3560 }
3561
3562 my $value = uuid_str $value + $uuid_skip;
3537 $uuid_skip = 0; 3563 $uuid_skip = 0;
3538 3564
3539 (aio_write $fh, 0, (length $value), $value, 0) <= 0 3565 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3540 and return; 3566 and return;
3541 3567
… …
3563} 3589}
3564 3590
3565sub emergency_save() { 3591sub emergency_save() {
3566 my $freeze_guard = cf::freeze_mainloop; 3592 my $freeze_guard = cf::freeze_mainloop;
3567 3593
3568 warn "enter emergency perl save\n"; 3594 warn "emergency_perl_save: enter\n";
3569 3595
3570 cf::sync_job { 3596 cf::sync_job {
3597 # this is a trade-off: we want to be very quick here, so
3598 # save all maps without fsync, and later call a global sync
3599 # (which in turn might be very very slow)
3600 local $USE_FSYNC = 0;
3601
3571 # use a peculiar iteration method to avoid tripping on perl 3602 # use a peculiar iteration method to avoid tripping on perl
3572 # refcount bugs in for. also avoids problems with players 3603 # refcount bugs in for. also avoids problems with players
3573 # and maps saved/destroyed asynchronously. 3604 # and maps saved/destroyed asynchronously.
3574 warn "begin emergency player save\n"; 3605 warn "emergency_perl_save: begin player save\n";
3575 for my $login (keys %cf::PLAYER) { 3606 for my $login (keys %cf::PLAYER) {
3576 my $pl = $cf::PLAYER{$login} or next; 3607 my $pl = $cf::PLAYER{$login} or next;
3577 $pl->valid or next; 3608 $pl->valid or next;
3578 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3609 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3579 $pl->save; 3610 $pl->save;
3580 } 3611 }
3581 warn "end emergency player save\n"; 3612 warn "emergency_perl_save: end player save\n";
3582 3613
3583 warn "begin emergency map save\n"; 3614 warn "emergency_perl_save: begin map save\n";
3584 for my $path (keys %cf::MAP) { 3615 for my $path (keys %cf::MAP) {
3585 my $map = $cf::MAP{$path} or next; 3616 my $map = $cf::MAP{$path} or next;
3586 $map->valid or next; 3617 $map->valid or next;
3587 $map->save; 3618 $map->save;
3588 } 3619 }
3589 warn "end emergency map save\n"; 3620 warn "emergency_perl_save: end map save\n";
3590 3621
3591 warn "begin emergency database checkpoint\n"; 3622 warn "emergency_perl_save: begin database checkpoint\n";
3592 BDB::db_env_txn_checkpoint $DB_ENV; 3623 BDB::db_env_txn_checkpoint $DB_ENV;
3593 warn "end emergency database checkpoint\n"; 3624 warn "emergency_perl_save: end database checkpoint\n";
3594 3625
3595 warn "begin write uuid\n"; 3626 warn "emergency_perl_save: begin write uuid\n";
3596 write_uuid_sync 1; 3627 write_uuid_sync 1;
3597 warn "end write uuid\n"; 3628 warn "emergency_perl_save: end write uuid\n";
3598 }; 3629 };
3599 3630
3631 warn "emergency_perl_save: starting sync()\n";
3632 IO::AIO::aio_sync sub {
3633 warn "emergency_perl_save: finished sync()\n";
3634 };
3635
3600 warn "leave emergency perl save\n"; 3636 warn "emergency_perl_save: leave\n";
3601} 3637}
3602 3638
3603sub post_cleanup { 3639sub post_cleanup {
3604 my ($make_core) = @_; 3640 my ($make_core) = @_;
3605 3641
3606 warn Carp::longmess "post_cleanup backtrace" 3642 warn Carp::longmess "post_cleanup backtrace"
3607 if $make_core; 3643 if $make_core;
3644
3645 my $fh = pidfile;
3646 unlink $PIDFILE if <$fh> == $$;
3608} 3647}
3609 3648
3610# a safer delete_package, copied from Symbol 3649# a safer delete_package, copied from Symbol
3611sub clear_package($) { 3650sub clear_package($) {
3612 my $pkg = shift; 3651 my $pkg = shift;
… …
3628 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH}; 3667 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3629 for my $name (keys %$leaf_symtab) { 3668 for my $name (keys %$leaf_symtab) {
3630 _gv_clear *{"$pkg$name"}; 3669 _gv_clear *{"$pkg$name"};
3631# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"}; 3670# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3632 } 3671 }
3633 warn "cleared package #$pkg\n";#d# 3672 warn "cleared package $pkg\n";#d#
3634} 3673}
3635
3636our $RELOAD; # how many times to reload
3637 3674
3638sub do_reload_perl() { 3675sub do_reload_perl() {
3639 # can/must only be called in main 3676 # can/must only be called in main
3640 if ($Coro::current != $Coro::main) { 3677 if ($Coro::current != $Coro::main) {
3641 warn "can only reload from main coroutine"; 3678 warn "can only reload from main coroutine";
3642 return; 3679 return;
3643 } 3680 }
3644 3681
3645 return if $RELOAD++; 3682 return if $RELOAD++;
3683
3684 my $t1 = EV::time;
3646 3685
3647 while ($RELOAD) { 3686 while ($RELOAD) {
3648 warn "reloading..."; 3687 warn "reloading...";
3649 3688
3650 warn "entering sync_job"; 3689 warn "entering sync_job";
… …
3711 clear_package "safe::$_" 3750 clear_package "safe::$_"
3712 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3751 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3713 3752
3714 warn "unloading cf.pm \"a bit\""; 3753 warn "unloading cf.pm \"a bit\"";
3715 delete $INC{"cf.pm"}; 3754 delete $INC{"cf.pm"};
3716 delete $INC{"cf/pod.pm"}; 3755 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3717 3756
3718 # don't, removes xs symbols, too, 3757 # don't, removes xs symbols, too,
3719 # and global variables created in xs 3758 # and global variables created in xs
3720 #clear_package __PACKAGE__; 3759 #clear_package __PACKAGE__;
3721 3760
3722 warn "unload completed, starting to reload now"; 3761 warn "unload completed, starting to reload now";
3723 3762
3724 warn "reloading cf.pm"; 3763 warn "reloading cf.pm";
3725 require cf; 3764 require cf;
3726 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3765 cf::_connect_to_perl_1;
3727 3766
3728 warn "loading config and database again"; 3767 warn "loading config and database again";
3729 cf::reload_config; 3768 cf::reload_config;
3730 3769
3731 warn "loading extensions"; 3770 warn "loading extensions";
3732 cf::load_extensions; 3771 cf::load_extensions;
3733 3772
3773 if ($REATTACH_ON_RELOAD) {
3734 warn "reattaching attachments to objects/players"; 3774 warn "reattaching attachments to objects/players";
3735 _global_reattach; # objects, sockets 3775 _global_reattach; # objects, sockets
3736 warn "reattaching attachments to maps"; 3776 warn "reattaching attachments to maps";
3737 reattach $_ for values %MAP; 3777 reattach $_ for values %MAP;
3738 warn "reattaching attachments to players"; 3778 warn "reattaching attachments to players";
3739 reattach $_ for values %PLAYER; 3779 reattach $_ for values %PLAYER;
3780 }
3781
3782 warn "running post_init jobs";
3783 (pop @POST_INIT)->(1) while @POST_INIT;
3740 3784
3741 warn "leaving sync_job"; 3785 warn "leaving sync_job";
3742 3786
3743 1 3787 1
3744 } or do { 3788 } or do {
… …
3747 }; 3791 };
3748 3792
3749 warn "reloaded"; 3793 warn "reloaded";
3750 --$RELOAD; 3794 --$RELOAD;
3751 } 3795 }
3796
3797 $t1 = EV::time - $t1;
3798 warn "reload completed in ${t1}s\n";
3752}; 3799};
3753 3800
3754our $RELOAD_WATCHER; # used only during reload 3801our $RELOAD_WATCHER; # used only during reload
3755 3802
3756sub reload_perl() { 3803sub reload_perl() {
3757 # doing reload synchronously and two reloads happen back-to-back, 3804 # doing reload synchronously and two reloads happen back-to-back,
3758 # coro crashes during coro_state_free->destroy here. 3805 # coro crashes during coro_state_free->destroy here.
3759 3806
3807 $RELOAD_WATCHER ||= cf::async {
3808 Coro::AIO::aio_wait cache_extensions;
3809
3760 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3810 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3761 do_reload_perl; 3811 do_reload_perl;
3762 undef $RELOAD_WATCHER; 3812 undef $RELOAD_WATCHER;
3813 };
3763 }; 3814 };
3764} 3815}
3765 3816
3766register_command "reload" => sub { 3817register_command "reload" => sub {
3767 my ($who, $arg) = @_; 3818 my ($who, $arg) = @_;
… …
3893 $msg =~ s/\n//; 3944 $msg =~ s/\n//;
3894 3945
3895 # limit the # of concurrent backtraces 3946 # limit the # of concurrent backtraces
3896 if ($_log_backtrace < 2) { 3947 if ($_log_backtrace < 2) {
3897 ++$_log_backtrace; 3948 ++$_log_backtrace;
3949 my $perl_bt = Carp::longmess $msg;
3898 async { 3950 async {
3899 $Coro::current->{desc} = "abt $msg"; 3951 $Coro::current->{desc} = "abt $msg";
3900 3952
3901 my @bt = fork_call { 3953 my @bt = fork_call {
3902 @addr = map { sprintf "%x", $_ } @addr; 3954 @addr = map { sprintf "%x", $_ } @addr;
… …
3913 } 3965 }
3914 3966
3915 @funcs 3967 @funcs
3916 }; 3968 };
3917 3969
3918 LOG llevInfo, "[ABT] $msg\n"; 3970 LOG llevInfo, "[ABT] $perl_bt\n";
3971 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3919 LOG llevInfo, "[ABT] $_\n" for @bt; 3972 LOG llevInfo, "[ABT] $_\n" for @bt;
3920 --$_log_backtrace; 3973 --$_log_backtrace;
3921 }; 3974 };
3922 } else { 3975 } else {
3923 LOG llevInfo, "[ABT] $msg\n"; 3976 LOG llevInfo, "[ABT] $msg\n";
3924 LOG llevInfo, "[ABT] [suppressed]\n"; 3977 LOG llevInfo, "[ABT] [suppressed]\n";
3925 } 3978 }
3926} 3979}
3927 3980
3928# load additional modules 3981# load additional modules
3929use cf::pod; 3982require "cf/$_.pm" for @EXTRA_MODULES;
3983cf::_connect_to_perl_2;
3930 3984
3931END { cf::emergency_save } 3985END { cf::emergency_save }
3932 3986
39331 39871
3934 3988

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines