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Revision 1.444 by root, Mon Sep 8 11:27:25 2008 UTC vs.
Revision 1.494 by root, Mon Oct 26 05:18:00 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 ();
37use Carp ();
36 38
39use Guard ();
37use Coro (); 40use Coro ();
38use Coro::State; 41use Coro::State;
39use Coro::Handle; 42use Coro::Handle;
40use Coro::EV; 43use Coro::EV;
41use Coro::AnyEvent; 44use Coro::AnyEvent;
42use Coro::Timer; 45use Coro::Timer;
43use Coro::Signal; 46use Coro::Signal;
44use Coro::Semaphore; 47use Coro::Semaphore;
48use Coro::SemaphoreSet;
45use Coro::AnyEvent; 49use Coro::AnyEvent;
46use Coro::AIO; 50use Coro::AIO;
47use Coro::BDB 1.6; 51use Coro::BDB 1.6;
48use Coro::Storable; 52use Coro::Storable;
49use Coro::Util (); 53use Coro::Util ();
51use JSON::XS 2.01 (); 55use JSON::XS 2.01 ();
52use BDB (); 56use BDB ();
53use Data::Dumper; 57use Data::Dumper;
54use Digest::MD5; 58use Digest::MD5;
55use Fcntl; 59use Fcntl;
56use YAML (); 60use YAML::XS ();
57use IO::AIO (); 61use IO::AIO ();
58use Time::HiRes; 62use Time::HiRes;
59use Compress::LZF; 63use Compress::LZF;
60use Digest::MD5 (); 64use Digest::MD5 ();
61 65
63 67
64# configure various modules to our taste 68# configure various modules to our taste
65# 69#
66$Storable::canonical = 1; # reduce rsync transfers 70$Storable::canonical = 1; # reduce rsync transfers
67Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 71Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
72
73$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
74
75# make sure c-lzf reinitialises itself
76Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
68Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 77Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69 78
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 79# strictly for debugging
80$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
71 81
72sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 82sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
73 83
74our %COMMAND = (); 84our %COMMAND = ();
75our %COMMAND_TIME = (); 85our %COMMAND_TIME = ();
78our %EXTCMD = (); 88our %EXTCMD = ();
79our %EXTICMD = (); 89our %EXTICMD = ();
80our %EXT_CORO = (); # coroutines bound to extensions 90our %EXT_CORO = (); # coroutines bound to extensions
81our %EXT_MAP = (); # pluggable maps 91our %EXT_MAP = (); # pluggable maps
82 92
83our $RELOAD; # number of reloads so far 93our $RELOAD; # number of reloads so far, non-zero while in reload
84our @EVENT; 94our @EVENT;
95our @REFLECT; # set by XS
96our %REFLECT; # set by us
85 97
86our $CONFDIR = confdir; 98our $CONFDIR = confdir;
87our $DATADIR = datadir; 99our $DATADIR = datadir;
88our $LIBDIR = "$DATADIR/ext"; 100our $LIBDIR = "$DATADIR/ext";
89our $PODDIR = "$DATADIR/pod"; 101our $PODDIR = "$DATADIR/pod";
90our $MAPDIR = "$DATADIR/" . mapdir; 102our $MAPDIR = "$DATADIR/" . mapdir;
91our $LOCALDIR = localdir; 103our $LOCALDIR = localdir;
92our $TMPDIR = "$LOCALDIR/" . tmpdir; 104our $TMPDIR = "$LOCALDIR/" . tmpdir;
93our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 105our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94our $PLAYERDIR = "$LOCALDIR/" . playerdir; 106our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95our $RANDOMDIR = "$LOCALDIR/random"; 107our $RANDOMDIR = "$LOCALDIR/random";
96our $BDBDIR = "$LOCALDIR/db"; 108our $BDBDIR = "$LOCALDIR/db";
109our $PIDFILE = "$LOCALDIR/pid";
110our $RUNTIMEFILE = "$LOCALDIR/runtime";
111
97our %RESOURCE; 112our %RESOURCE;
98 113
99our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 114our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
100our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 115our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
101our $NEXT_TICK; 116our $NEXT_TICK;
102our $USE_FSYNC = 1; # use fsync to write maps - default off 117our $USE_FSYNC = 1; # use fsync to write maps - default on
103 118
104our $BDB_DEADLOCK_WATCHER; 119our $BDB_DEADLOCK_WATCHER;
105our $BDB_CHECKPOINT_WATCHER; 120our $BDB_CHECKPOINT_WATCHER;
106our $BDB_TRICKLE_WATCHER; 121our $BDB_TRICKLE_WATCHER;
107our $DB_ENV; 122our $DB_ENV;
108 123
124our @EXTRA_MODULES = qw(pod match mapscript);
125
109our %CFG; 126our %CFG;
110 127
111our $UPTIME; $UPTIME ||= time; 128our $UPTIME; $UPTIME ||= time;
112our $RUNTIME; 129our $RUNTIME;
113our $NOW; 130our $NOW;
122our $LOAD; # a number between 0 (idle) and 1 (too many objects) 139our $LOAD; # a number between 0 (idle) and 1 (too many objects)
123our $LOADAVG; # same thing, but with alpha-smoothing 140our $LOADAVG; # same thing, but with alpha-smoothing
124our $JITTER; # average jitter 141our $JITTER; # average jitter
125our $TICK_START; # for load detecting purposes 142our $TICK_START; # for load detecting purposes
126 143
144our @POST_INIT;
145
146our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
147our $REALLY_UNLOOP; # never set to true, please :)
148
127binmode STDOUT; 149binmode STDOUT;
128binmode STDERR; 150binmode STDERR;
129 151
130# read virtual server time, if available 152# read virtual server time, if available
131unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 153unless ($RUNTIME || !-e $RUNTIMEFILE) {
132 open my $fh, "<", "$LOCALDIR/runtime" 154 open my $fh, "<", $RUNTIMEFILE
133 or die "unable to read runtime file: $!"; 155 or die "unable to read $RUNTIMEFILE file: $!";
134 $RUNTIME = <$fh> + 0.; 156 $RUNTIME = <$fh> + 0.;
135} 157}
158
159eval "sub TICK() { $TICK } 1" or die;
136 160
137mkdir $_ 161mkdir $_
138 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 162 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
139 163
140our $EMERGENCY_POSITION; 164our $EMERGENCY_POSITION;
141 165
142sub cf::map::normalise; 166sub cf::map::normalise;
167
168#############################################################################
169
170%REFLECT = ();
171for (@REFLECT) {
172 my $reflect = JSON::XS::decode_json $_;
173 $REFLECT{$reflect->{class}} = $reflect;
174}
175
176# this is decidedly evil
177$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
143 178
144############################################################################# 179#############################################################################
145 180
146=head2 GLOBAL VARIABLES 181=head2 GLOBAL VARIABLES
147 182
194returns directly I<after> the tick processing (and consequently, can only wake one process 229returns directly I<after> the tick processing (and consequently, can only wake one process
195per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 230per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
196 231
197=item @cf::INVOKE_RESULTS 232=item @cf::INVOKE_RESULTS
198 233
199This array contains the results of the last C<invoke ()> call. When 234This array contains the results of the last C<invoke ()> call. When
200C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of 235C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
201that call. 236that call.
202 237
238=item %cf::REFLECT
239
240Contains, for each (C++) class name, a hash reference with information
241about object members (methods, scalars, arrays and flags) and other
242metadata, which is useful for introspection.
243
203=back 244=back
204 245
205=cut 246=cut
206 247
207BEGIN { 248$Coro::State::WARNHOOK = sub {
208 *CORE::GLOBAL::warn = sub {
209 my $msg = join "", @_; 249 my $msg = join "", @_;
210 250
211 $msg .= "\n" 251 $msg .= "\n"
212 unless $msg =~ /\n$/; 252 unless $msg =~ /\n$/;
213 253
214 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 254 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
215 255
216 LOG llevError, $msg; 256 LOG llevError, $msg;
217 }; 257};
218}
219 258
220$Coro::State::DIEHOOK = sub { 259$Coro::State::DIEHOOK = sub {
221 return unless $^S eq 0; # "eq", not "==" 260 return unless $^S eq 0; # "eq", not "=="
261
262 warn Carp::longmess $_[0];
222 263
223 if ($Coro::current == $Coro::main) {#d# 264 if ($Coro::current == $Coro::main) {#d#
224 warn "DIEHOOK called in main context, Coro bug?\n";#d# 265 warn "DIEHOOK called in main context, Coro bug?\n";#d#
225 return;#d# 266 return;#d#
226 }#d# 267 }#d#
227 268
228 # kill coroutine otherwise 269 # kill coroutine otherwise
229 warn Carp::longmess $_[0];
230 Coro::terminate 270 Coro::terminate
231}; 271};
232
233$SIG{__DIE__} = sub { }; #d#?
234 272
235@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 273@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
236@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 274@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
237@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 275@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
238@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 276@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
252)) { 290)) {
253 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 291 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
254} 292}
255 293
256$EV::DIED = sub { 294$EV::DIED = sub {
257 warn "error in event callback: @_"; 295 Carp::cluck "error in event callback: @_";
258}; 296};
259 297
260############################################################################# 298#############################################################################
261 299
262=head2 UTILITY FUNCTIONS 300=head2 UTILITY FUNCTIONS
299our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 337our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
300 338
301sub encode_json($) { $json_coder->encode ($_[0]) } 339sub encode_json($) { $json_coder->encode ($_[0]) }
302sub decode_json($) { $json_coder->decode ($_[0]) } 340sub decode_json($) { $json_coder->decode ($_[0]) }
303 341
342=item cf::post_init { BLOCK }
343
344Execute the given codeblock, I<after> all extensions have been (re-)loaded,
345but I<before> the server starts ticking again.
346
347The cdoeblock will have a single boolean argument to indicate whether this
348is a reload or not.
349
350=cut
351
352sub post_init(&) {
353 push @POST_INIT, shift;
354}
355
304=item cf::lock_wait $string 356=item cf::lock_wait $string
305 357
306Wait until the given lock is available. See cf::lock_acquire. 358Wait until the given lock is available. See cf::lock_acquire.
307 359
308=item my $lock = cf::lock_acquire $string 360=item my $lock = cf::lock_acquire $string
309 361
310Wait until the given lock is available and then acquires it and returns 362Wait 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, 363a L<Guard> object. If the guard object gets destroyed (goes out of scope,
312for example when the coroutine gets canceled), the lock is automatically 364for example when the coroutine gets canceled), the lock is automatically
313returned. 365returned.
314 366
315Locks are *not* recursive, locking from the same coro twice results in a 367Locks are *not* recursive, locking from the same coro twice results in a
316deadlocked coro. 368deadlocked coro.
322 374
323Return true if the lock is currently active, i.e. somebody has locked it. 375Return true if the lock is currently active, i.e. somebody has locked it.
324 376
325=cut 377=cut
326 378
327our %LOCK; 379our $LOCKS = new Coro::SemaphoreSet;
328our %LOCKER;#d#
329 380
330sub lock_wait($) { 381sub lock_wait($) {
331 my ($key) = @_; 382 $LOCKS->wait ($_[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} }, $Coro::current;
341 Coro::schedule;
342 }
343} 383}
344 384
345sub lock_acquire($) { 385sub lock_acquire($) {
346 my ($key) = @_; 386 $LOCKS->guard ($_[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} 387}
360 388
361sub lock_active($) { 389sub lock_active($) {
362 my ($key) = @_; 390 $LOCKS->count ($_[0]) < 1
363
364 ! ! $LOCK{$key}
365} 391}
366 392
367sub freeze_mainloop { 393sub freeze_mainloop {
368 tick_inhibit_inc; 394 tick_inhibit_inc;
369 395
370 Coro::guard \&tick_inhibit_dec; 396 &Guard::guard (\&tick_inhibit_dec);
371} 397}
372 398
373=item cf::periodic $interval, $cb 399=item cf::periodic $interval, $cb
374 400
375Like EV::periodic, but randomly selects a starting point so that the actions 401Like EV::periodic, but randomly selects a starting point so that the actions
727 753
728############################################################################# 754#############################################################################
729 755
730=head2 ATTACHABLE OBJECTS 756=head2 ATTACHABLE OBJECTS
731 757
732Many objects in crossfire are so-called attachable objects. That means you can 758Many objects in deliantra are so-called attachable objects. That means you can
733attach callbacks/event handlers (a collection of which is called an "attachment") 759attach callbacks/event handlers (a collection of which is called an "attachment")
734to it. All such attachable objects support the following methods. 760to it. All such attachable objects support the following methods.
735 761
736In the following description, CLASS can be any of C<global>, C<object> 762In 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 763C<player>, C<client> or C<map> (i.e. the attachable objects in
787=item cf::CLASS::attachment $name, ... 813=item cf::CLASS::attachment $name, ...
788 814
789Register an attachment by C<$name> through which attachable objects of the 815Register an attachment by C<$name> through which attachable objects of the
790given CLASS can refer to this attachment. 816given CLASS can refer to this attachment.
791 817
792Some classes such as crossfire maps and objects can specify attachments 818Some classes such as deliantra maps and objects can specify attachments
793that are attached at load/instantiate time, thus the need for a name. 819that are attached at load/instantiate time, thus the need for a name.
794 820
795These calls expect any number of the following handler/hook descriptions: 821These calls expect any number of the following handler/hook descriptions:
796 822
797=over 4 823=over 4
1147 $decname, length $$rdata, scalar @$objs; 1173 $decname, length $$rdata, scalar @$objs;
1148 1174
1149 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1175 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1150 aio_chmod $fh, SAVE_MODE; 1176 aio_chmod $fh, SAVE_MODE;
1151 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1177 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1152 aio_fsync $fh if $cf::USE_FSYNC; 1178 if ($cf::USE_FSYNC) {
1179 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;
1180 aio_fsync $fh;
1181 }
1153 aio_close $fh; 1182 aio_close $fh;
1154 1183
1155 if (@$objs) { 1184 if (@$objs) {
1156 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1185 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1157 aio_chmod $fh, SAVE_MODE; 1186 aio_chmod $fh, SAVE_MODE;
1158 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs }; 1187 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1159 aio_write $fh, 0, (length $data), $data, 0; 1188 aio_write $fh, 0, (length $data), $data, 0;
1160 aio_fsync $fh if $cf::USE_FSYNC; 1189 if ($cf::USE_FSYNC) {
1190 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;
1191 aio_fsync $fh;
1192 }
1161 aio_close $fh; 1193 aio_close $fh;
1162 aio_rename "$filename.pst~", "$filename.pst"; 1194 aio_rename "$filename.pst~", "$filename.pst";
1163 } 1195 }
1164 } else { 1196 } else {
1165 aio_unlink "$filename.pst"; 1197 aio_unlink "$filename.pst";
1166 } 1198 }
1167 1199
1168 aio_rename "$filename~", $filename; 1200 aio_rename "$filename~", $filename;
1201
1202 $filename =~ s%/[^/]+$%%;
1203 aio_pathsync $filename if $cf::USE_FSYNC;
1169 } else { 1204 } else {
1170 warn "FATAL: $filename~: $!\n"; 1205 warn "unable to save objects: $filename~: $!\n";
1171 } 1206 }
1172 } else { 1207 } else {
1173 aio_unlink $filename; 1208 aio_unlink $filename;
1174 aio_unlink "$filename.pst"; 1209 aio_unlink "$filename.pst";
1175 } 1210 }
1266 my ($name, $cb) = @_; 1301 my ($name, $cb) = @_;
1267 1302
1268 $EXTICMD{$name} = $cb; 1303 $EXTICMD{$name} = $cb;
1269} 1304}
1270 1305
1306use File::Glob ();
1307
1271cf::player->attach ( 1308cf::player->attach (
1272 on_command => sub { 1309 on_command => sub {
1273 my ($pl, $name, $params) = @_; 1310 my ($pl, $name, $params) = @_;
1274 1311
1275 my $cb = $COMMAND{$name} 1312 my $cb = $COMMAND{$name}
1306 } 1343 }
1307 1344
1308 cf::override; 1345 cf::override;
1309 }, 1346 },
1310); 1347);
1348
1349# "readahead" all extensions
1350sub cache_extensions {
1351 my $grp = IO::AIO::aio_group;
1352
1353 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1354 for (grep /\.ext$/, @{$_[0]}) {
1355 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1356 }
1357 };
1358
1359 $grp
1360}
1311 1361
1312sub load_extensions { 1362sub load_extensions {
1313 cf::sync_job { 1363 cf::sync_job {
1314 my %todo; 1364 my %todo;
1315 1365
1385 1435
1386=back 1436=back
1387 1437
1388=head2 CORE EXTENSIONS 1438=head2 CORE EXTENSIONS
1389 1439
1390Functions and methods that extend core crossfire objects. 1440Functions and methods that extend core deliantra objects.
1391 1441
1392=cut 1442=cut
1393 1443
1394package cf::player; 1444package cf::player;
1395 1445
1438 1488
1439sub exists($) { 1489sub exists($) {
1440 my ($login) = @_; 1490 my ($login) = @_;
1441 1491
1442 $cf::PLAYER{$login} 1492 $cf::PLAYER{$login}
1443 or cf::sync_job { !aio_stat path $login } 1493 or !aio_stat path $login
1444} 1494}
1445 1495
1446sub find($) { 1496sub find($) {
1447 return $cf::PLAYER{$_[0]} || do { 1497 return $cf::PLAYER{$_[0]} || do {
1448 my $login = $_[0]; 1498 my $login = $_[0];
1619 } 1669 }
1620 1670
1621 \@paths 1671 \@paths
1622} 1672}
1623 1673
1624=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1674=item $protocol_xml = $player->expand_cfpod ($cfpod)
1625 1675
1626Expand crossfire pod fragments into protocol xml. 1676Expand deliantra pod fragments into protocol xml.
1627 1677
1628=item $player->ext_reply ($msgid, @msg) 1678=item $player->ext_reply ($msgid, @msg)
1629 1679
1630Sends an ext reply to the player. 1680Sends an ext reply to the player.
1631 1681
1844 1894
1845 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go; 1895 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1846 "$UNIQUEDIR/$path" 1896 "$UNIQUEDIR/$path"
1847} 1897}
1848 1898
1849# and all this just because we cannot iterate over
1850# all maps in C++...
1851sub change_all_map_light {
1852 my ($change) = @_;
1853
1854 $_->change_map_light ($change)
1855 for grep $_->outdoor, values %cf::MAP;
1856}
1857
1858sub decay_objects { 1899sub decay_objects {
1859 my ($self) = @_; 1900 my ($self) = @_;
1860 1901
1861 return if $self->{deny_reset}; 1902 return if $self->{deny_reset};
1862 1903
1944sub find { 1985sub find {
1945 my ($path, $origin) = @_; 1986 my ($path, $origin) = @_;
1946 1987
1947 $path = normalise $path, $origin && $origin->path; 1988 $path = normalise $path, $origin && $origin->path;
1948 1989
1949 cf::lock_wait "map_data:$path";#d#remove 1990 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1950 cf::lock_wait "map_find:$path"; 1991 my $guard2 = cf::lock_acquire "map_find:$path";
1951 1992
1952 $cf::MAP{$path} || do { 1993 $cf::MAP{$path} || do {
1953 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1954 my $guard2 = cf::lock_acquire "map_find:$path";
1955
1956 my $map = new_from_path cf::map $path 1994 my $map = new_from_path cf::map $path
1957 or return; 1995 or return;
1958 1996
1959 $map->{last_save} = $cf::RUNTIME; 1997 $map->{last_save} = $cf::RUNTIME;
1960 1998
2028 unless ($self->{deny_activate}) { 2066 unless ($self->{deny_activate}) {
2029 $self->decay_objects; 2067 $self->decay_objects;
2030 $self->fix_auto_apply; 2068 $self->fix_auto_apply;
2031 $self->update_buttons; 2069 $self->update_buttons;
2032 cf::cede_to_tick; 2070 cf::cede_to_tick;
2033 $self->set_darkness_map;
2034 cf::cede_to_tick;
2035 $self->activate; 2071 $self->activate;
2036 } 2072 }
2037 2073
2038 $self->{last_save} = $cf::RUNTIME; 2074 $self->{last_save} = $cf::RUNTIME;
2039 $self->last_access ($cf::RUNTIME); 2075 $self->last_access ($cf::RUNTIME);
2205 2241
2206 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2242 my $lock = cf::lock_acquire "map_data:$self->{path}";
2207 2243
2208 return if $self->players; 2244 return if $self->players;
2209 2245
2210 warn "resetting map ", $self->path; 2246 warn "resetting map ", $self->path, "\n";
2211 2247
2212 $self->in_memory (cf::MAP_SWAPPED); 2248 $self->in_memory (cf::MAP_SWAPPED);
2213 2249
2214 # need to save uniques path 2250 # need to save uniques path
2215 unless ($self->{deny_save}) { 2251 unless ($self->{deny_save}) {
2306 : normalise $_ 2342 : normalise $_
2307 } @{ aio_readdir $UNIQUEDIR or [] } 2343 } @{ aio_readdir $UNIQUEDIR or [] }
2308 ] 2344 ]
2309} 2345}
2310 2346
2347=item cf::map::static_maps
2348
2349Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2350file in the shared directory excluding F</styles> and F</editor>). May
2351block.
2352
2353=cut
2354
2355sub static_maps() {
2356 my @dirs = "";
2357 my @maps;
2358
2359 while (@dirs) {
2360 my $dir = shift @dirs;
2361
2362 next if $dir eq "/styles" || $dir eq "/editor";
2363
2364 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2365 or return;
2366
2367 for (@$files) {
2368 s/\.map$// or next;
2369 utf8::decode $_;
2370 push @maps, "$dir/$_";
2371 }
2372
2373 push @dirs, map "$dir/$_", @$dirs;
2374 }
2375
2376 \@maps
2377}
2378
2311=back 2379=back
2312 2380
2313=head3 cf::object 2381=head3 cf::object
2314 2382
2315=cut 2383=cut
2380 2448
2381our $SAY_CHANNEL = { 2449our $SAY_CHANNEL = {
2382 id => "say", 2450 id => "say",
2383 title => "Map", 2451 title => "Map",
2384 reply => "say ", 2452 reply => "say ",
2385 tooltip => "Things said to and replied from npcs near you and other players on the same map only.", 2453 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2386}; 2454};
2387 2455
2388our $CHAT_CHANNEL = { 2456our $CHAT_CHANNEL = {
2389 id => "chat", 2457 id => "chat",
2390 title => "Chat", 2458 title => "Chat",
2445 2513
2446=item $player_object->enter_link 2514=item $player_object->enter_link
2447 2515
2448Freezes the player and moves him/her to a special map (C<{link}>). 2516Freezes the player and moves him/her to a special map (C<{link}>).
2449 2517
2450The player should be reasonably safe there for short amounts of time. You 2518The player should be reasonably safe there for short amounts of time (e.g.
2451I<MUST> call C<leave_link> as soon as possible, though. 2519for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2520though, as the palyer cannot control the character while it is on the link
2521map.
2452 2522
2453Will never block. 2523Will never block.
2454 2524
2455=item $player_object->leave_link ($map, $x, $y) 2525=item $player_object->leave_link ($map, $x, $y)
2456 2526
2508 ($x, $y) = (-1, -1) 2578 ($x, $y) = (-1, -1)
2509 unless (defined $x) && (defined $y); 2579 unless (defined $x) && (defined $y);
2510 2580
2511 # use -1 or undef as default coordinates, not 0, 0 2581 # use -1 or undef as default coordinates, not 0, 0
2512 ($x, $y) = ($map->enter_x, $map->enter_y) 2582 ($x, $y) = ($map->enter_x, $map->enter_y)
2513 if $x <=0 && $y <= 0; 2583 if $x <= 0 && $y <= 0;
2514 2584
2515 $map->load; 2585 $map->load;
2516 $map->load_neighbours; 2586 $map->load_neighbours;
2517 2587
2518 return unless $self->contr->active; 2588 return unless $self->contr->active;
2519 $self->activate_recursive;
2520 2589
2521 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2590 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2522 $self->enter_map ($map, $x, $y); 2591 $self->enter_map ($map, $x, $y);
2592
2593 # only activate afterwards, to support waiting in hooks
2594 $self->activate_recursive;
2523} 2595}
2524 2596
2525=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2597=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2526 2598
2527Moves the player to the given map-path and coordinates by first freezing 2599Moves the player to the given map-path and coordinates by first freezing
2686 $self->contr->savebed ($map, $x, $y) 2758 $self->contr->savebed ($map, $x, $y)
2687 if $exit->flag (cf::FLAG_DAMNED); 2759 if $exit->flag (cf::FLAG_DAMNED);
2688 2760
2689 1 2761 1
2690 }) { 2762 }) {
2691 $self->message ("Something went wrong deep within the crossfire server. " 2763 $self->message ("Something went wrong deep within the deliantra server. "
2692 . "I'll try to bring you back to the map you were before. " 2764 . "I'll try to bring you back to the map you were before. "
2693 . "Please report this to the dungeon master!", 2765 . "Please report this to the dungeon master!",
2694 cf::NDI_UNIQUE | cf::NDI_RED); 2766 cf::NDI_UNIQUE | cf::NDI_RED);
2695 2767
2696 warn "ERROR in enter_exit: $@"; 2768 warn "ERROR in enter_exit: $@";
2713sub cf::client::send_drawinfo { 2785sub cf::client::send_drawinfo {
2714 my ($self, $text, $flags) = @_; 2786 my ($self, $text, $flags) = @_;
2715 2787
2716 utf8::encode $text; 2788 utf8::encode $text;
2717 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2789 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2790}
2791
2792=item $client->send_big_packet ($pkt)
2793
2794Like C<send_packet>, but tries to compress large packets, and fragments
2795them as required.
2796
2797=cut
2798
2799our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2800
2801sub cf::client::send_big_packet {
2802 my ($self, $pkt) = @_;
2803
2804 # try lzf for large packets
2805 $pkt = "lzf " . Compress::LZF::compress $pkt
2806 if 1024 <= length $pkt and $self->{can_lzf};
2807
2808 # split very large packets
2809 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2810 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2811 $pkt = "frag";
2812 }
2813
2814 $self->send_packet ($pkt);
2718} 2815}
2719 2816
2720=item $client->send_msg ($channel, $msg, $color, [extra...]) 2817=item $client->send_msg ($channel, $msg, $color, [extra...])
2721 2818
2722Send a drawinfo or msg packet to the client, formatting the msg for the 2819Send a drawinfo or msg packet to the client, formatting the msg for the
2726 2823
2727=cut 2824=cut
2728 2825
2729# non-persistent channels (usually the info channel) 2826# non-persistent channels (usually the info channel)
2730our %CHANNEL = ( 2827our %CHANNEL = (
2828 "c/motd" => {
2829 id => "infobox",
2830 title => "MOTD",
2831 reply => undef,
2832 tooltip => "The message of the day",
2833 },
2731 "c/identify" => { 2834 "c/identify" => {
2732 id => "infobox", 2835 id => "infobox",
2733 title => "Identify", 2836 title => "Identify",
2734 reply => undef, 2837 reply => undef,
2735 tooltip => "Items recently identified", 2838 tooltip => "Items recently identified",
2737 "c/examine" => { 2840 "c/examine" => {
2738 id => "infobox", 2841 id => "infobox",
2739 title => "Examine", 2842 title => "Examine",
2740 reply => undef, 2843 reply => undef,
2741 tooltip => "Signs and other items you examined", 2844 tooltip => "Signs and other items you examined",
2845 },
2846 "c/shopinfo" => {
2847 id => "infobox",
2848 title => "Shop Info",
2849 reply => undef,
2850 tooltip => "What your bargaining skill tells you about the shop",
2742 }, 2851 },
2743 "c/book" => { 2852 "c/book" => {
2744 id => "infobox", 2853 id => "infobox",
2745 title => "Book", 2854 title => "Book",
2746 reply => undef, 2855 reply => undef,
2762 id => "infobox", 2871 id => "infobox",
2763 title => "Body Parts", 2872 title => "Body Parts",
2764 reply => undef, 2873 reply => undef,
2765 tooltip => "Shows which body parts you posess and are available", 2874 tooltip => "Shows which body parts you posess and are available",
2766 }, 2875 },
2876 "c/statistics" => {
2877 id => "infobox",
2878 title => "Statistics",
2879 reply => undef,
2880 tooltip => "Shows your primary statistics",
2881 },
2882 "c/skills" => {
2883 id => "infobox",
2884 title => "Skills",
2885 reply => undef,
2886 tooltip => "Shows your experience per skill and item power",
2887 },
2888 "c/shopitems" => {
2889 id => "infobox",
2890 title => "Shop Items",
2891 reply => undef,
2892 tooltip => "Shows the items currently for sale in this shop",
2893 },
2894 "c/resistances" => {
2895 id => "infobox",
2896 title => "Resistances",
2897 reply => undef,
2898 tooltip => "Shows your resistances",
2899 },
2900 "c/pets" => {
2901 id => "infobox",
2902 title => "Pets",
2903 reply => undef,
2904 tooltip => "Shows information abotu your pets/a specific pet",
2905 },
2906 "c/perceiveself" => {
2907 id => "infobox",
2908 title => "Perceive Self",
2909 reply => undef,
2910 tooltip => "You gained detailed knowledge about yourself",
2911 },
2767 "c/uptime" => { 2912 "c/uptime" => {
2768 id => "infobox", 2913 id => "infobox",
2769 title => "Uptime", 2914 title => "Uptime",
2770 reply => undef, 2915 reply => undef,
2771 tooltip => "How long the server has been running since last restart", 2916 tooltip => "How long the server has been running since last restart",
2780 id => "party", 2925 id => "party",
2781 title => "Party", 2926 title => "Party",
2782 reply => "gsay ", 2927 reply => "gsay ",
2783 tooltip => "Messages and chat related to your party", 2928 tooltip => "Messages and chat related to your party",
2784 }, 2929 },
2930 "c/death" => {
2931 id => "death",
2932 title => "Death",
2933 reply => undef,
2934 tooltip => "Reason for and more info about your most recent death",
2935 },
2936 "c/say" => $SAY_CHANNEL,
2937 "c/chat" => $CHAT_CHANNEL,
2785); 2938);
2786 2939
2787sub cf::client::send_msg { 2940sub cf::client::send_msg {
2788 my ($self, $channel, $msg, $color, @extra) = @_; 2941 my ($self, $channel, $msg, $color, @extra) = @_;
2789 2942
2790 $msg = $self->pl->expand_cfpod ($msg); 2943 $msg = $self->pl->expand_cfpod ($msg)
2944 unless $color & cf::NDI_VERBATIM;
2791 2945
2792 $color &= cf::NDI_CLIENT_MASK; # just in case... 2946 $color &= cf::NDI_CLIENT_MASK; # just in case...
2793 2947
2794 # check predefined channels, for the benefit of C 2948 # check predefined channels, for the benefit of C
2795 if ($CHANNEL{$channel}) { 2949 if ($CHANNEL{$channel}) {
2796 $channel = $CHANNEL{$channel}; 2950 $channel = $CHANNEL{$channel};
2797 2951
2798 $self->ext_msg (channel_info => $channel) 2952 $self->ext_msg (channel_info => $channel);
2799 if $self->can_msg;
2800
2801 $channel = $channel->{id}; 2953 $channel = $channel->{id};
2802 2954
2803 } elsif (ref $channel) { 2955 } elsif (ref $channel) {
2804 # send meta info to client, if not yet sent 2956 # send meta info to client, if not yet sent
2805 unless (exists $self->{channel}{$channel->{id}}) { 2957 unless (exists $self->{channel}{$channel->{id}}) {
2806 $self->{channel}{$channel->{id}} = $channel; 2958 $self->{channel}{$channel->{id}} = $channel;
2807 $self->ext_msg (channel_info => $channel) 2959 $self->ext_msg (channel_info => $channel);
2808 if $self->can_msg;
2809 } 2960 }
2810 2961
2811 $channel = $channel->{id}; 2962 $channel = $channel->{id};
2812 } 2963 }
2813 2964
2814 return unless @extra || length $msg; 2965 return unless @extra || length $msg;
2815 2966
2816 if ($self->can_msg) {
2817 # default colour, mask it out 2967 # default colour, mask it out
2818 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2968 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2819 if $color & cf::NDI_DEF; 2969 if $color & cf::NDI_DEF;
2820 2970
2821 my $pkt = "msg " 2971 my $pkt = "msg "
2822 . $self->{json_coder}->encode ( 2972 . $self->{json_coder}->encode (
2823 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra] 2973 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2824 ); 2974 );
2825 2975
2826 # try lzf for large packets
2827 $pkt = "lzf " . Compress::LZF::compress $pkt
2828 if 1024 <= length $pkt and $self->{can_lzf};
2829
2830 # split very large packets
2831 if (8192 < length $pkt and $self->{can_lzf}) {
2832 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2833 $pkt = "frag";
2834 }
2835
2836 $self->send_packet ($pkt); 2976 $self->send_big_packet ($pkt);
2837 } else {
2838 if ($color >= 0) {
2839 # replace some tags by gcfclient-compatible ones
2840 for ($msg) {
2841 1 while
2842 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2843 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2844 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2845 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2846 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2847 }
2848
2849 $color &= cf::NDI_COLOR_MASK;
2850
2851 utf8::encode $msg;
2852
2853 if (0 && $msg =~ /\[/) {
2854 # COMMAND/INFO
2855 $self->send_packet ("drawextinfo $color 10 8 $msg")
2856 } else {
2857 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2858 $self->send_packet ("drawinfo $color $msg")
2859 }
2860 }
2861 }
2862} 2977}
2863 2978
2864=item $client->ext_msg ($type, @msg) 2979=item $client->ext_msg ($type, @msg)
2865 2980
2866Sends an ext event to the client. 2981Sends an ext event to the client.
2869 2984
2870sub cf::client::ext_msg($$@) { 2985sub cf::client::ext_msg($$@) {
2871 my ($self, $type, @msg) = @_; 2986 my ($self, $type, @msg) = @_;
2872 2987
2873 if ($self->extcmd == 2) { 2988 if ($self->extcmd == 2) {
2874 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg])); 2989 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2875 } elsif ($self->extcmd == 1) { # TODO: remove 2990 } elsif ($self->extcmd == 1) { # TODO: remove
2876 push @msg, msgtype => "event_$type"; 2991 push @msg, msgtype => "event_$type";
2877 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 2992 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2878 } 2993 }
2879} 2994}
2880 2995
2881=item $client->ext_reply ($msgid, @msg) 2996=item $client->ext_reply ($msgid, @msg)
2882 2997
2886 3001
2887sub cf::client::ext_reply($$@) { 3002sub cf::client::ext_reply($$@) {
2888 my ($self, $id, @msg) = @_; 3003 my ($self, $id, @msg) = @_;
2889 3004
2890 if ($self->extcmd == 2) { 3005 if ($self->extcmd == 2) {
2891 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg])); 3006 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2892 } elsif ($self->extcmd == 1) { 3007 } elsif ($self->extcmd == 1) {
2893 #TODO: version 1, remove 3008 #TODO: version 1, remove
2894 unshift @msg, msgtype => "reply", msgid => $id; 3009 unshift @msg, msgtype => "reply", msgid => $id;
2895 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 3010 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2896 } 3011 }
2897} 3012}
2898 3013
2899=item $success = $client->query ($flags, "text", \&cb) 3014=item $success = $client->query ($flags, "text", \&cb)
2900 3015
3041The following functions and methods are available within a safe environment: 3156The following functions and methods are available within a safe environment:
3042 3157
3043 cf::object 3158 cf::object
3044 contr pay_amount pay_player map x y force_find force_add destroy 3159 contr pay_amount pay_player map x y force_find force_add destroy
3045 insert remove name archname title slaying race decrease split 3160 insert remove name archname title slaying race decrease split
3161 value
3046 3162
3047 cf::object::player 3163 cf::object::player
3048 player 3164 player
3049 3165
3050 cf::player 3166 cf::player
3056=cut 3172=cut
3057 3173
3058for ( 3174for (
3059 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3175 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3060 insert remove inv nrof name archname title slaying race 3176 insert remove inv nrof name archname title slaying race
3061 decrease split destroy change_exp)], 3177 decrease split destroy change_exp value msg lore send_msg)],
3062 ["cf::object::player" => qw(player)], 3178 ["cf::object::player" => qw(player)],
3063 ["cf::player" => qw(peaceful)], 3179 ["cf::player" => qw(peaceful send_msg)],
3064 ["cf::map" => qw(trigger)], 3180 ["cf::map" => qw(trigger)],
3065) { 3181) {
3066 no strict 'refs'; 3182 no strict 'refs';
3067 my ($pkg, @funs) = @$_; 3183 my ($pkg, @funs) = @$_;
3068 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3184 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3085 my ($code, %vars) = @_; 3201 my ($code, %vars) = @_;
3086 3202
3087 my $qcode = $code; 3203 my $qcode = $code;
3088 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3204 $qcode =~ s/"/‟/g; # not allowed in #line filenames
3089 $qcode =~ s/\n/\\n/g; 3205 $qcode =~ s/\n/\\n/g;
3206
3207 %vars = (_dummy => 0) unless %vars;
3090 3208
3091 local $_; 3209 local $_;
3092 local @safe::cf::_safe_eval_args = values %vars; 3210 local @safe::cf::_safe_eval_args = values %vars;
3093 3211
3094 my $eval = 3212 my $eval =
3324 reload_treasures; 3442 reload_treasures;
3325 3443
3326 warn "finished reloading resource files\n"; 3444 warn "finished reloading resource files\n";
3327} 3445}
3328 3446
3329sub init {
3330 my $guard = freeze_mainloop;
3331
3332 evthread_start IO::AIO::poll_fileno;
3333
3334 reload_resources;
3335}
3336
3337sub reload_config { 3447sub reload_config {
3448 warn "reloading config file...\n";
3449
3338 open my $fh, "<:utf8", "$CONFDIR/config" 3450 open my $fh, "<:utf8", "$CONFDIR/config"
3339 or return; 3451 or return;
3340 3452
3341 local $/; 3453 local $/;
3342 *CFG = YAML::Load <$fh>; 3454 *CFG = YAML::XS::Load scalar <$fh>;
3343 3455
3344 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3456 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3345 3457
3346 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3458 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3347 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3459 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3351 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3463 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3352 and die "WARNING: m(un)lockall failed: $!\n"; 3464 and die "WARNING: m(un)lockall failed: $!\n";
3353 }; 3465 };
3354 warn $@ if $@; 3466 warn $@ if $@;
3355 } 3467 }
3468
3469 warn "finished reloading resource files\n";
3470}
3471
3472sub pidfile() {
3473 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3474 or die "$PIDFILE: $!";
3475 flock $fh, &Fcntl::LOCK_EX
3476 or die "$PIDFILE: flock: $!";
3477 $fh
3478}
3479
3480# make sure only one server instance is running at any one time
3481sub atomic {
3482 my $fh = pidfile;
3483
3484 my $pid = <$fh>;
3485 kill 9, $pid if $pid > 0;
3486
3487 seek $fh, 0, 0;
3488 print $fh $$;
3489}
3490
3491sub main_loop {
3492 warn "EV::loop starting\n";
3493 if (1) {
3494 EV::loop;
3495 }
3496 warn "EV::loop returned\n";
3497 goto &main_loop unless $REALLY_UNLOOP;
3356} 3498}
3357 3499
3358sub main { 3500sub main {
3501 cf::init_globals; # initialise logging
3502
3503 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3504 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3505 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3506 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3507
3508 cf::init_experience;
3509 cf::init_anim;
3510 cf::init_attackmess;
3511 cf::init_dynamic;
3512
3513 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3514
3359 # we must not ever block the main coroutine 3515 # we must not ever block the main coroutine
3360 local $Coro::idle = sub { 3516 local $Coro::idle = sub {
3361 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3517 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3362 (async { 3518 (async {
3363 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3519 $Coro::current->{desc} = "IDLE BUG HANDLER";
3364 EV::loop EV::LOOP_ONESHOT; 3520 EV::loop EV::LOOP_ONESHOT;
3365 })->prio (Coro::PRIO_MAX); 3521 })->prio (Coro::PRIO_MAX);
3366 }; 3522 };
3367 3523
3368 { 3524 evthread_start IO::AIO::poll_fileno;
3369 my $guard = freeze_mainloop; 3525
3526 cf::sync_job {
3527 reload_resources;
3370 reload_config; 3528 reload_config;
3371 db_init; 3529 db_init;
3530
3531 cf::load_settings;
3532 cf::load_materials;
3533 cf::init_uuid;
3534 cf::init_signals;
3535 cf::init_commands;
3536 cf::init_skills;
3537
3538 cf::init_beforeplay;
3539
3540 atomic;
3541
3372 load_extensions; 3542 load_extensions;
3373 3543
3374 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3544 utime time, time, $RUNTIMEFILE;
3545
3546 # no (long-running) fork's whatsoever before this point(!)
3547 use POSIX ();
3548 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3549
3550 (pop @POST_INIT)->(0) while @POST_INIT;
3375 } 3551 };
3376 3552
3377 EV::loop; 3553 main_loop;
3378} 3554}
3379 3555
3380############################################################################# 3556#############################################################################
3381# initialisation and cleanup 3557# initialisation and cleanup
3382 3558
3389 }; 3565 };
3390 } 3566 }
3391} 3567}
3392 3568
3393sub write_runtime_sync { 3569sub write_runtime_sync {
3394 my $runtime = "$LOCALDIR/runtime";
3395
3396 # first touch the runtime file to show we are still running: 3570 # first touch the runtime file to show we are still running:
3397 # the fsync below can take a very very long time. 3571 # the fsync below can take a very very long time.
3398 3572
3399 IO::AIO::aio_utime $runtime, undef, undef; 3573 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3400 3574
3401 my $guard = cf::lock_acquire "write_runtime"; 3575 my $guard = cf::lock_acquire "write_runtime";
3402 3576
3403 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3577 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3404 or return; 3578 or return;
3405 3579
3406 my $value = $cf::RUNTIME + 90 + 10; 3580 my $value = $cf::RUNTIME + 90 + 10;
3407 # 10 is the runtime save interval, for a monotonic clock 3581 # 10 is the runtime save interval, for a monotonic clock
3408 # 60 allows for the watchdog to kill the server. 3582 # 60 allows for the watchdog to kill the server.
3418 aio_utime $fh, undef, undef; 3592 aio_utime $fh, undef, undef;
3419 3593
3420 close $fh 3594 close $fh
3421 or return; 3595 or return;
3422 3596
3423 aio_rename "$runtime~", $runtime 3597 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3424 and return; 3598 and return;
3425 3599
3426 warn "runtime file written.\n"; 3600 warn "runtime file written.\n";
3427 3601
3428 1 3602 1
3440 my $uuid = "$LOCALDIR/uuid"; 3614 my $uuid = "$LOCALDIR/uuid";
3441 3615
3442 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644 3616 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3443 or return; 3617 or return;
3444 3618
3445 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur; 3619 my $value = uuid_seq uuid_cur;
3620
3621 unless ($value) {
3622 warn "cowardly refusing to write zero uuid value!\n";
3623 return;
3624 }
3625
3626 my $value = uuid_str $value + $uuid_skip;
3446 $uuid_skip = 0; 3627 $uuid_skip = 0;
3447 3628
3448 (aio_write $fh, 0, (length $value), $value, 0) <= 0 3629 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3449 and return; 3630 and return;
3450 3631
3472} 3653}
3473 3654
3474sub emergency_save() { 3655sub emergency_save() {
3475 my $freeze_guard = cf::freeze_mainloop; 3656 my $freeze_guard = cf::freeze_mainloop;
3476 3657
3477 warn "enter emergency perl save\n"; 3658 warn "emergency_perl_save: enter\n";
3478 3659
3479 cf::sync_job { 3660 cf::sync_job {
3661 # this is a trade-off: we want to be very quick here, so
3662 # save all maps without fsync, and later call a global sync
3663 # (which in turn might be very very slow)
3664 local $USE_FSYNC = 0;
3665
3480 # use a peculiar iteration method to avoid tripping on perl 3666 # use a peculiar iteration method to avoid tripping on perl
3481 # refcount bugs in for. also avoids problems with players 3667 # refcount bugs in for. also avoids problems with players
3482 # and maps saved/destroyed asynchronously. 3668 # and maps saved/destroyed asynchronously.
3483 warn "begin emergency player save\n"; 3669 warn "emergency_perl_save: begin player save\n";
3484 for my $login (keys %cf::PLAYER) { 3670 for my $login (keys %cf::PLAYER) {
3485 my $pl = $cf::PLAYER{$login} or next; 3671 my $pl = $cf::PLAYER{$login} or next;
3486 $pl->valid or next; 3672 $pl->valid or next;
3487 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3673 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3488 $pl->save; 3674 $pl->save;
3489 } 3675 }
3490 warn "end emergency player save\n"; 3676 warn "emergency_perl_save: end player save\n";
3491 3677
3492 warn "begin emergency map save\n"; 3678 warn "emergency_perl_save: begin map save\n";
3493 for my $path (keys %cf::MAP) { 3679 for my $path (keys %cf::MAP) {
3494 my $map = $cf::MAP{$path} or next; 3680 my $map = $cf::MAP{$path} or next;
3495 $map->valid or next; 3681 $map->valid or next;
3496 $map->save; 3682 $map->save;
3497 } 3683 }
3498 warn "end emergency map save\n"; 3684 warn "emergency_perl_save: end map save\n";
3499 3685
3500 warn "begin emergency database checkpoint\n"; 3686 warn "emergency_perl_save: begin database checkpoint\n";
3501 BDB::db_env_txn_checkpoint $DB_ENV; 3687 BDB::db_env_txn_checkpoint $DB_ENV;
3502 warn "end emergency database checkpoint\n"; 3688 warn "emergency_perl_save: end database checkpoint\n";
3503 3689
3504 warn "begin write uuid\n"; 3690 warn "emergency_perl_save: begin write uuid\n";
3505 write_uuid_sync 1; 3691 write_uuid_sync 1;
3506 warn "end write uuid\n"; 3692 warn "emergency_perl_save: end write uuid\n";
3507 }; 3693 };
3508 3694
3695 warn "emergency_perl_save: starting sync()\n";
3696 IO::AIO::aio_sync sub {
3697 warn "emergency_perl_save: finished sync()\n";
3698 };
3699
3509 warn "leave emergency perl save\n"; 3700 warn "emergency_perl_save: leave\n";
3510} 3701}
3511 3702
3512sub post_cleanup { 3703sub post_cleanup {
3513 my ($make_core) = @_; 3704 my ($make_core) = @_;
3514 3705
3515 warn Carp::longmess "post_cleanup backtrace" 3706 warn Carp::longmess "post_cleanup backtrace"
3516 if $make_core; 3707 if $make_core;
3708
3709 my $fh = pidfile;
3710 unlink $PIDFILE if <$fh> == $$;
3517} 3711}
3518 3712
3519# a safer delete_package, copied from Symbol 3713# a safer delete_package, copied from Symbol
3520sub clear_package($) { 3714sub clear_package($) {
3521 my $pkg = shift; 3715 my $pkg = shift;
3537 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH}; 3731 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3538 for my $name (keys %$leaf_symtab) { 3732 for my $name (keys %$leaf_symtab) {
3539 _gv_clear *{"$pkg$name"}; 3733 _gv_clear *{"$pkg$name"};
3540# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"}; 3734# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3541 } 3735 }
3542 warn "cleared package #$pkg\n";#d# 3736 warn "cleared package $pkg\n";#d#
3543} 3737}
3544
3545our $RELOAD; # how many times to reload
3546 3738
3547sub do_reload_perl() { 3739sub do_reload_perl() {
3548 # can/must only be called in main 3740 # can/must only be called in main
3549 if ($Coro::current != $Coro::main) { 3741 if ($Coro::current != $Coro::main) {
3550 warn "can only reload from main coroutine"; 3742 warn "can only reload from main coroutine";
3551 return; 3743 return;
3552 } 3744 }
3553 3745
3554 return if $RELOAD++; 3746 return if $RELOAD++;
3747
3748 my $t1 = EV::time;
3555 3749
3556 while ($RELOAD) { 3750 while ($RELOAD) {
3557 warn "reloading..."; 3751 warn "reloading...";
3558 3752
3559 warn "entering sync_job"; 3753 warn "entering sync_job";
3620 clear_package "safe::$_" 3814 clear_package "safe::$_"
3621 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3815 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3622 3816
3623 warn "unloading cf.pm \"a bit\""; 3817 warn "unloading cf.pm \"a bit\"";
3624 delete $INC{"cf.pm"}; 3818 delete $INC{"cf.pm"};
3625 delete $INC{"cf/pod.pm"}; 3819 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3626 3820
3627 # don't, removes xs symbols, too, 3821 # don't, removes xs symbols, too,
3628 # and global variables created in xs 3822 # and global variables created in xs
3629 #clear_package __PACKAGE__; 3823 #clear_package __PACKAGE__;
3630 3824
3631 warn "unload completed, starting to reload now"; 3825 warn "unload completed, starting to reload now";
3632 3826
3633 warn "reloading cf.pm"; 3827 warn "reloading cf.pm";
3634 require cf; 3828 require cf;
3635 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3829 cf::_connect_to_perl_1;
3636 3830
3637 warn "loading config and database again"; 3831 warn "loading config and database again";
3638 cf::reload_config; 3832 cf::reload_config;
3639 3833
3640 warn "loading extensions"; 3834 warn "loading extensions";
3641 cf::load_extensions; 3835 cf::load_extensions;
3642 3836
3837 if ($REATTACH_ON_RELOAD) {
3643 warn "reattaching attachments to objects/players"; 3838 warn "reattaching attachments to objects/players";
3644 _global_reattach; # objects, sockets 3839 _global_reattach; # objects, sockets
3645 warn "reattaching attachments to maps"; 3840 warn "reattaching attachments to maps";
3646 reattach $_ for values %MAP; 3841 reattach $_ for values %MAP;
3647 warn "reattaching attachments to players"; 3842 warn "reattaching attachments to players";
3648 reattach $_ for values %PLAYER; 3843 reattach $_ for values %PLAYER;
3844 }
3845
3846 warn "running post_init jobs";
3847 (pop @POST_INIT)->(1) while @POST_INIT;
3649 3848
3650 warn "leaving sync_job"; 3849 warn "leaving sync_job";
3651 3850
3652 1 3851 1
3653 } or do { 3852 } or do {
3656 }; 3855 };
3657 3856
3658 warn "reloaded"; 3857 warn "reloaded";
3659 --$RELOAD; 3858 --$RELOAD;
3660 } 3859 }
3860
3861 $t1 = EV::time - $t1;
3862 warn "reload completed in ${t1}s\n";
3661}; 3863};
3662 3864
3663our $RELOAD_WATCHER; # used only during reload 3865our $RELOAD_WATCHER; # used only during reload
3664 3866
3665sub reload_perl() { 3867sub reload_perl() {
3666 # doing reload synchronously and two reloads happen back-to-back, 3868 # doing reload synchronously and two reloads happen back-to-back,
3667 # coro crashes during coro_state_free->destroy here. 3869 # coro crashes during coro_state_free->destroy here.
3668 3870
3871 $RELOAD_WATCHER ||= cf::async {
3872 Coro::AIO::aio_wait cache_extensions;
3873
3669 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3874 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3670 do_reload_perl; 3875 do_reload_perl;
3671 undef $RELOAD_WATCHER; 3876 undef $RELOAD_WATCHER;
3877 };
3672 }; 3878 };
3673} 3879}
3674 3880
3675register_command "reload" => sub { 3881register_command "reload" => sub {
3676 my ($who, $arg) = @_; 3882 my ($who, $arg) = @_;
3802 $msg =~ s/\n//; 4008 $msg =~ s/\n//;
3803 4009
3804 # limit the # of concurrent backtraces 4010 # limit the # of concurrent backtraces
3805 if ($_log_backtrace < 2) { 4011 if ($_log_backtrace < 2) {
3806 ++$_log_backtrace; 4012 ++$_log_backtrace;
4013 my $perl_bt = Carp::longmess $msg;
3807 async { 4014 async {
3808 $Coro::current->{desc} = "abt $msg"; 4015 $Coro::current->{desc} = "abt $msg";
3809 4016
3810 my @bt = fork_call { 4017 my @bt = fork_call {
3811 @addr = map { sprintf "%x", $_ } @addr; 4018 @addr = map { sprintf "%x", $_ } @addr;
3822 } 4029 }
3823 4030
3824 @funcs 4031 @funcs
3825 }; 4032 };
3826 4033
3827 LOG llevInfo, "[ABT] $msg\n"; 4034 LOG llevInfo, "[ABT] $perl_bt\n";
4035 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3828 LOG llevInfo, "[ABT] $_\n" for @bt; 4036 LOG llevInfo, "[ABT] $_\n" for @bt;
3829 --$_log_backtrace; 4037 --$_log_backtrace;
3830 }; 4038 };
3831 } else { 4039 } else {
3832 LOG llevInfo, "[ABT] $msg\n"; 4040 LOG llevInfo, "[ABT] $msg\n";
3833 LOG llevInfo, "[ABT] [suppressed]\n"; 4041 LOG llevInfo, "[ABT] [suppressed]\n";
3834 } 4042 }
3835} 4043}
3836 4044
3837# load additional modules 4045# load additional modules
3838use cf::pod; 4046require "cf/$_.pm" for @EXTRA_MODULES;
4047cf::_connect_to_perl_2;
3839 4048
3840END { cf::emergency_save } 4049END { cf::emergency_save }
3841 4050
38421 40511
3843 4052

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