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Revision 1.439 by root, Mon Jul 14 16:42:49 2008 UTC vs.
Revision 1.489 by root, Fri Oct 23 03:08:35 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
25use 5.10.0;
24use utf8; 26use utf8;
25use strict; 27use strict qw(vars subs);
26 28
27use Symbol; 29use Symbol;
28use List::Util; 30use List::Util;
29use Socket; 31use Socket;
30use EV; 32use EV;
31use Opcode; 33use Opcode;
32use Safe; 34use Safe;
33use Safe::Hole; 35use Safe::Hole;
34use Storable (); 36use Storable ();
35 37
38use Guard ();
36use Coro (); 39use Coro ();
37use Coro::State; 40use Coro::State;
38use Coro::Handle; 41use Coro::Handle;
42use Coro::EV;
39use Coro::AnyEvent; 43use Coro::AnyEvent;
40use Coro::Timer; 44use Coro::Timer;
41use Coro::Signal; 45use Coro::Signal;
42use Coro::Semaphore; 46use Coro::Semaphore;
47use Coro::SemaphoreSet;
43use Coro::AnyEvent; 48use Coro::AnyEvent;
44use Coro::AIO; 49use Coro::AIO;
45use Coro::BDB 1.6; 50use Coro::BDB 1.6;
46use Coro::Storable; 51use Coro::Storable;
47use Coro::Util (); 52use Coro::Util ();
49use JSON::XS 2.01 (); 54use JSON::XS 2.01 ();
50use BDB (); 55use BDB ();
51use Data::Dumper; 56use Data::Dumper;
52use Digest::MD5; 57use Digest::MD5;
53use Fcntl; 58use Fcntl;
54use YAML (); 59use YAML::XS ();
55use IO::AIO (); 60use IO::AIO ();
56use Time::HiRes; 61use Time::HiRes;
57use Compress::LZF; 62use Compress::LZF;
58use Digest::MD5 (); 63use Digest::MD5 ();
59 64
61 66
62# configure various modules to our taste 67# configure various modules to our taste
63# 68#
64$Storable::canonical = 1; # reduce rsync transfers 69$Storable::canonical = 1; # reduce rsync transfers
65Coro::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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
66Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
67 77
68$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" };
69 80
70sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
71 82
72our %COMMAND = (); 83our %COMMAND = ();
73our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
76our %EXTCMD = (); 87our %EXTCMD = ();
77our %EXTICMD = (); 88our %EXTICMD = ();
78our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
79our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
80 91
81our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
82our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
83 96
84our $CONFDIR = confdir; 97our $CONFDIR = confdir;
85our $DATADIR = datadir; 98our $DATADIR = datadir;
86our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
87our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
88our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
89our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
90our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
91our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
92our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
93our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
94our $BDBDIR = "$LOCALDIR/db"; 107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
95our %RESOURCE; 111our %RESOURCE;
96 112
97our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 113our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
98our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 114our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
99our $NEXT_TICK; 115our $NEXT_TICK;
100our $USE_FSYNC = 1; # use fsync to write maps - default off 116our $USE_FSYNC = 1; # use fsync to write maps - default on
101 117
102our $BDB_DEADLOCK_WATCHER; 118our $BDB_DEADLOCK_WATCHER;
103our $BDB_CHECKPOINT_WATCHER; 119our $BDB_CHECKPOINT_WATCHER;
104our $BDB_TRICKLE_WATCHER; 120our $BDB_TRICKLE_WATCHER;
105our $DB_ENV; 121our $DB_ENV;
106 122
123our @EXTRA_MODULES = qw(pod match mapscript);
124
107our %CFG; 125our %CFG;
108 126
109our $UPTIME; $UPTIME ||= time; 127our $UPTIME; $UPTIME ||= time;
110our $RUNTIME; 128our $RUNTIME;
111our $NOW; 129our $NOW;
120our $LOAD; # a number between 0 (idle) and 1 (too many objects) 138our $LOAD; # a number between 0 (idle) and 1 (too many objects)
121our $LOADAVG; # same thing, but with alpha-smoothing 139our $LOADAVG; # same thing, but with alpha-smoothing
122our $JITTER; # average jitter 140our $JITTER; # average jitter
123our $TICK_START; # for load detecting purposes 141our $TICK_START; # for load detecting purposes
124 142
143our @POST_INIT;
144
145our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
146our $REALLY_UNLOOP; # never set to true, please :)
147
125binmode STDOUT; 148binmode STDOUT;
126binmode STDERR; 149binmode STDERR;
127 150
128# read virtual server time, if available 151# read virtual server time, if available
129unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 152unless ($RUNTIME || !-e $RUNTIMEFILE) {
130 open my $fh, "<", "$LOCALDIR/runtime" 153 open my $fh, "<", $RUNTIMEFILE
131 or die "unable to read runtime file: $!"; 154 or die "unable to read $RUNTIMEFILE file: $!";
132 $RUNTIME = <$fh> + 0.; 155 $RUNTIME = <$fh> + 0.;
133} 156}
157
158eval "sub TICK() { $TICK } 1" or die;
134 159
135mkdir $_ 160mkdir $_
136 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 161 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
137 162
138our $EMERGENCY_POSITION; 163our $EMERGENCY_POSITION;
139 164
140sub 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 $1, keys %{"cf::"} };
141 177
142############################################################################# 178#############################################################################
143 179
144=head2 GLOBAL VARIABLES 180=head2 GLOBAL VARIABLES
145 181
192returns directly I<after> the tick processing (and consequently, can only wake one process 228returns directly I<after> the tick processing (and consequently, can only wake one process
193per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 229per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
194 230
195=item @cf::INVOKE_RESULTS 231=item @cf::INVOKE_RESULTS
196 232
197This array contains the results of the last C<invoke ()> call. When 233This array contains the results of the last C<invoke ()> call. When
198C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of 234C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
199that call. 235that call.
200 236
237=item %cf::REFLECT
238
239Contains, for each (C++) class name, a hash reference with information
240about object members (methods, scalars, arrays and flags) and other
241metadata, which is useful for introspection.
242
201=back 243=back
202 244
203=cut 245=cut
204 246
205BEGIN { 247$Coro::State::WARNHOOK = sub {
206 *CORE::GLOBAL::warn = sub {
207 my $msg = join "", @_; 248 my $msg = join "", @_;
208 249
209 $msg .= "\n" 250 $msg .= "\n"
210 unless $msg =~ /\n$/; 251 unless $msg =~ /\n$/;
211 252
212 $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;
213 254
214 LOG llevError, $msg; 255 LOG llevError, $msg;
215 }; 256};
216}
217 257
218$Coro::State::DIEHOOK = sub { 258$Coro::State::DIEHOOK = sub {
219 return unless $^S eq 0; # "eq", not "==" 259 return unless $^S eq 0; # "eq", not "=="
260
261 warn Carp::longmess $_[0];
220 262
221 if ($Coro::current == $Coro::main) {#d# 263 if ($Coro::current == $Coro::main) {#d#
222 warn "DIEHOOK called in main context, Coro bug?\n";#d# 264 warn "DIEHOOK called in main context, Coro bug?\n";#d#
223 return;#d# 265 return;#d#
224 }#d# 266 }#d#
225 267
226 # kill coroutine otherwise 268 # kill coroutine otherwise
227 warn Carp::longmess $_[0];
228 Coro::terminate 269 Coro::terminate
229}; 270};
230
231$SIG{__DIE__} = sub { }; #d#?
232 271
233@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 272@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
234@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 273@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
235@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 274@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
236@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 275@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
243for my $pkg (qw( 282for my $pkg (qw(
244 cf::global cf::attachable 283 cf::global cf::attachable
245 cf::object cf::object::player 284 cf::object cf::object::player
246 cf::client cf::player 285 cf::client cf::player
247 cf::arch cf::living 286 cf::arch cf::living
287 cf::map cf::mapspace
248 cf::map cf::party cf::region 288 cf::party cf::region
249)) { 289)) {
250 no strict 'refs';
251 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 290 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
252} 291}
253 292
254$EV::DIED = sub { 293$EV::DIED = sub {
255 warn "error in event callback: @_"; 294 warn "error in event callback: @_";
297our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 336our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
298 337
299sub encode_json($) { $json_coder->encode ($_[0]) } 338sub encode_json($) { $json_coder->encode ($_[0]) }
300sub decode_json($) { $json_coder->decode ($_[0]) } 339sub decode_json($) { $json_coder->decode ($_[0]) }
301 340
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
302=item cf::lock_wait $string 355=item cf::lock_wait $string
303 356
304Wait until the given lock is available. See cf::lock_acquire. 357Wait until the given lock is available. See cf::lock_acquire.
305 358
306=item my $lock = cf::lock_acquire $string 359=item my $lock = cf::lock_acquire $string
307 360
308Wait 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
309a 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,
310for example when the coroutine gets canceled), the lock is automatically 363for example when the coroutine gets canceled), the lock is automatically
311returned. 364returned.
312 365
313Locks 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
314deadlocked coro. 367deadlocked coro.
320 373
321Return 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.
322 375
323=cut 376=cut
324 377
325our %LOCK; 378our $LOCKS = new Coro::SemaphoreSet;
326our %LOCKER;#d#
327 379
328sub lock_wait($) { 380sub lock_wait($) {
329 my ($key) = @_; 381 $LOCKS->wait ($_[0]);
330
331 if ($LOCKER{$key} == $Coro::current) {#d#
332 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
333 return;#d#
334 }#d#
335
336 # wait for lock, if any
337 while ($LOCK{$key}) {
338 push @{ $LOCK{$key} }, $Coro::current;
339 Coro::schedule;
340 }
341} 382}
342 383
343sub lock_acquire($) { 384sub lock_acquire($) {
344 my ($key) = @_; 385 $LOCKS->guard ($_[0])
345
346 # wait, to be sure we are not locked
347 lock_wait $key;
348
349 $LOCK{$key} = [];
350 $LOCKER{$key} = $Coro::current;#d#
351
352 Coro::guard {
353 delete $LOCKER{$key};#d#
354 # wake up all waiters, to be on the safe side
355 $_->ready for @{ delete $LOCK{$key} };
356 }
357} 386}
358 387
359sub lock_active($) { 388sub lock_active($) {
360 my ($key) = @_; 389 $LOCKS->count ($_[0]) < 1
361
362 ! ! $LOCK{$key}
363} 390}
364 391
365sub freeze_mainloop { 392sub freeze_mainloop {
366 tick_inhibit_inc; 393 tick_inhibit_inc;
367 394
368 Coro::guard \&tick_inhibit_dec; 395 &Guard::guard (\&tick_inhibit_dec);
369} 396}
370 397
371=item cf::periodic $interval, $cb 398=item cf::periodic $interval, $cb
372 399
373Like 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
725 752
726############################################################################# 753#############################################################################
727 754
728=head2 ATTACHABLE OBJECTS 755=head2 ATTACHABLE OBJECTS
729 756
730Many 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
731attach callbacks/event handlers (a collection of which is called an "attachment") 758attach callbacks/event handlers (a collection of which is called an "attachment")
732to it. All such attachable objects support the following methods. 759to it. All such attachable objects support the following methods.
733 760
734In 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>
735C<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
785=item cf::CLASS::attachment $name, ... 812=item cf::CLASS::attachment $name, ...
786 813
787Register an attachment by C<$name> through which attachable objects of the 814Register an attachment by C<$name> through which attachable objects of the
788given CLASS can refer to this attachment. 815given CLASS can refer to this attachment.
789 816
790Some classes such as crossfire maps and objects can specify attachments 817Some classes such as deliantra maps and objects can specify attachments
791that are attached at load/instantiate time, thus the need for a name. 818that are attached at load/instantiate time, thus the need for a name.
792 819
793These calls expect any number of the following handler/hook descriptions: 820These calls expect any number of the following handler/hook descriptions:
794 821
795=over 4 822=over 4
1086 1113
1087sub reattach { 1114sub reattach {
1088 # basically do the same as instantiate, without calling instantiate 1115 # basically do the same as instantiate, without calling instantiate
1089 my ($obj) = @_; 1116 my ($obj) = @_;
1090 1117
1118 # no longer needed after getting rid of delete_package?
1091 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1119 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1092 1120
1093 my $registry = $obj->registry; 1121 my $registry = $obj->registry;
1094 1122
1095 @$registry = (); 1123 @$registry = ();
1096 1124
1144 $decname, length $$rdata, scalar @$objs; 1172 $decname, length $$rdata, scalar @$objs;
1145 1173
1146 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1174 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1147 aio_chmod $fh, SAVE_MODE; 1175 aio_chmod $fh, SAVE_MODE;
1148 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1176 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1149 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 }
1150 aio_close $fh; 1181 aio_close $fh;
1151 1182
1152 if (@$objs) { 1183 if (@$objs) {
1153 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) {
1154 aio_chmod $fh, SAVE_MODE; 1185 aio_chmod $fh, SAVE_MODE;
1155 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs }; 1186 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1156 aio_write $fh, 0, (length $data), $data, 0; 1187 aio_write $fh, 0, (length $data), $data, 0;
1157 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 }
1158 aio_close $fh; 1192 aio_close $fh;
1159 aio_rename "$filename.pst~", "$filename.pst"; 1193 aio_rename "$filename.pst~", "$filename.pst";
1160 } 1194 }
1161 } else { 1195 } else {
1162 aio_unlink "$filename.pst"; 1196 aio_unlink "$filename.pst";
1163 } 1197 }
1164 1198
1165 aio_rename "$filename~", $filename; 1199 aio_rename "$filename~", $filename;
1200
1201 $filename =~ s%/[^/]+$%%;
1202 aio_pathsync $filename if $cf::USE_FSYNC;
1166 } else { 1203 } else {
1167 warn "FATAL: $filename~: $!\n"; 1204 warn "unable to save objects: $filename~: $!\n";
1168 } 1205 }
1169 } else { 1206 } else {
1170 aio_unlink $filename; 1207 aio_unlink $filename;
1171 aio_unlink "$filename.pst"; 1208 aio_unlink "$filename.pst";
1172 } 1209 }
1263 my ($name, $cb) = @_; 1300 my ($name, $cb) = @_;
1264 1301
1265 $EXTICMD{$name} = $cb; 1302 $EXTICMD{$name} = $cb;
1266} 1303}
1267 1304
1305use File::Glob ();
1306
1268cf::player->attach ( 1307cf::player->attach (
1269 on_command => sub { 1308 on_command => sub {
1270 my ($pl, $name, $params) = @_; 1309 my ($pl, $name, $params) = @_;
1271 1310
1272 my $cb = $COMMAND{$name} 1311 my $cb = $COMMAND{$name}
1304 1343
1305 cf::override; 1344 cf::override;
1306 }, 1345 },
1307); 1346);
1308 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}
1360
1309sub load_extensions { 1361sub load_extensions {
1310 cf::sync_job { 1362 cf::sync_job {
1311 my %todo; 1363 my %todo;
1312 1364
1313 for my $path (<$LIBDIR/*.ext>) { 1365 for my $path (<$LIBDIR/*.ext>) {
1332 1384
1333 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1385 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1334 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1386 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1335 1387
1336 $ext{source} = 1388 $ext{source} =
1337 "package $pkg; use strict; use utf8;\n" 1389 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1338 . "#line 1 \"$path\"\n{\n" 1390 . "#line 1 \"$path\"\n{\n"
1339 . $source 1391 . $source
1340 . "\n};\n1"; 1392 . "\n};\n1";
1341 1393
1342 $todo{$base} = \%ext; 1394 $todo{$base} = \%ext;
1382 1434
1383=back 1435=back
1384 1436
1385=head2 CORE EXTENSIONS 1437=head2 CORE EXTENSIONS
1386 1438
1387Functions and methods that extend core crossfire objects. 1439Functions and methods that extend core deliantra objects.
1388 1440
1389=cut 1441=cut
1390 1442
1391package cf::player; 1443package cf::player;
1392 1444
1435 1487
1436sub exists($) { 1488sub exists($) {
1437 my ($login) = @_; 1489 my ($login) = @_;
1438 1490
1439 $cf::PLAYER{$login} 1491 $cf::PLAYER{$login}
1440 or cf::sync_job { !aio_stat path $login } 1492 or !aio_stat path $login
1441} 1493}
1442 1494
1443sub find($) { 1495sub find($) {
1444 return $cf::PLAYER{$_[0]} || do { 1496 return $cf::PLAYER{$_[0]} || do {
1445 my $login = $_[0]; 1497 my $login = $_[0];
1520 my ($pl) = @_; 1572 my ($pl) = @_;
1521 1573
1522 my $name = $pl->ob->name; 1574 my $name = $pl->ob->name;
1523 1575
1524 $pl->{deny_save} = 1; 1576 $pl->{deny_save} = 1;
1525 $pl->password ("*"); # this should lock out the player until we nuked the dir 1577 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1526 1578
1527 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1579 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1528 $pl->deactivate; 1580 $pl->deactivate;
1529 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy; 1581 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1530 $pl->ob->check_score; 1582 $pl->ob->check_score;
1616 } 1668 }
1617 1669
1618 \@paths 1670 \@paths
1619} 1671}
1620 1672
1621=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1673=item $protocol_xml = $player->expand_cfpod ($cfpod)
1622 1674
1623Expand crossfire pod fragments into protocol xml. 1675Expand deliantra pod fragments into protocol xml.
1624
1625=cut
1626
1627use re 'eval';
1628
1629my $group;
1630my $interior; $interior = qr{
1631 # match a pod interior sequence sans C<< >>
1632 (?:
1633 \ (.*?)\ (?{ $group = $^N })
1634 | < (??{$interior}) >
1635 )
1636}x;
1637
1638sub expand_cfpod {
1639 my ($self, $pod) = @_;
1640
1641 my $xml;
1642
1643 while () {
1644 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1645 $group = $1;
1646
1647 $group =~ s/&/&amp;/g;
1648 $group =~ s/</&lt;/g;
1649
1650 $xml .= $group;
1651 } elsif ($pod =~ m%\G
1652 ([BCGHITU])
1653 <
1654 (?:
1655 ([^<>]*) (?{ $group = $^N })
1656 | < $interior >
1657 )
1658 >
1659 %gcsx
1660 ) {
1661 my ($code, $data) = ($1, $group);
1662
1663 if ($code eq "B") {
1664 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1665 } elsif ($code eq "I") {
1666 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1667 } elsif ($code eq "U") {
1668 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1669 } elsif ($code eq "C") {
1670 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1671 } elsif ($code eq "T") {
1672 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1673 } elsif ($code eq "G") {
1674 my ($male, $female) = split /\|/, $data;
1675 $data = $self->gender ? $female : $male;
1676 $xml .= expand_cfpod ($self, $data);
1677 } elsif ($code eq "H") {
1678 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1679 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1680 "")
1681 [$self->{hintmode}];
1682 } else {
1683 $xml .= "error processing '$code($data)' directive";
1684 }
1685 } else {
1686 if ($pod =~ /\G(.+)/) {
1687 warn "parse error while expanding $pod (at $1)";
1688 }
1689 last;
1690 }
1691 }
1692
1693 for ($xml) {
1694 # create single paragraphs (very hackish)
1695 s/(?<=\S)\n(?=\w)/ /g;
1696
1697 # compress some whitespace
1698 s/\s+\n/\n/g; # ws line-ends
1699 s/\n\n+/\n/g; # double lines
1700 s/^\n+//; # beginning lines
1701 s/\n+$//; # ending lines
1702 }
1703
1704 $xml
1705}
1706
1707no re 'eval';
1708
1709sub hintmode {
1710 $_[0]{hintmode} = $_[1] if @_ > 1;
1711 $_[0]{hintmode}
1712}
1713 1676
1714=item $player->ext_reply ($msgid, @msg) 1677=item $player->ext_reply ($msgid, @msg)
1715 1678
1716Sends an ext reply to the player. 1679Sends an ext reply to the player.
1717 1680
1930 1893
1931 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go; 1894 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1932 "$UNIQUEDIR/$path" 1895 "$UNIQUEDIR/$path"
1933} 1896}
1934 1897
1935# and all this just because we cannot iterate over
1936# all maps in C++...
1937sub change_all_map_light {
1938 my ($change) = @_;
1939
1940 $_->change_map_light ($change)
1941 for grep $_->outdoor, values %cf::MAP;
1942}
1943
1944sub decay_objects { 1898sub decay_objects {
1945 my ($self) = @_; 1899 my ($self) = @_;
1946 1900
1947 return if $self->{deny_reset}; 1901 return if $self->{deny_reset};
1948 1902
2030sub find { 1984sub find {
2031 my ($path, $origin) = @_; 1985 my ($path, $origin) = @_;
2032 1986
2033 $path = normalise $path, $origin && $origin->path; 1987 $path = normalise $path, $origin && $origin->path;
2034 1988
2035 cf::lock_wait "map_data:$path";#d#remove 1989 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2036 cf::lock_wait "map_find:$path"; 1990 my $guard2 = cf::lock_acquire "map_find:$path";
2037 1991
2038 $cf::MAP{$path} || do { 1992 $cf::MAP{$path} || do {
2039 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2040 my $guard2 = cf::lock_acquire "map_find:$path";
2041
2042 my $map = new_from_path cf::map $path 1993 my $map = new_from_path cf::map $path
2043 or return; 1994 or return;
2044 1995
2045 $map->{last_save} = $cf::RUNTIME; 1996 $map->{last_save} = $cf::RUNTIME;
2046 1997
2114 unless ($self->{deny_activate}) { 2065 unless ($self->{deny_activate}) {
2115 $self->decay_objects; 2066 $self->decay_objects;
2116 $self->fix_auto_apply; 2067 $self->fix_auto_apply;
2117 $self->update_buttons; 2068 $self->update_buttons;
2118 cf::cede_to_tick; 2069 cf::cede_to_tick;
2119 $self->set_darkness_map;
2120 cf::cede_to_tick;
2121 $self->activate; 2070 $self->activate;
2122 } 2071 }
2123 2072
2124 $self->{last_save} = $cf::RUNTIME; 2073 $self->{last_save} = $cf::RUNTIME;
2125 $self->last_access ($cf::RUNTIME); 2074 $self->last_access ($cf::RUNTIME);
2291 2240
2292 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2241 my $lock = cf::lock_acquire "map_data:$self->{path}";
2293 2242
2294 return if $self->players; 2243 return if $self->players;
2295 2244
2296 warn "resetting map ", $self->path; 2245 warn "resetting map ", $self->path, "\n";
2297 2246
2298 $self->in_memory (cf::MAP_SWAPPED); 2247 $self->in_memory (cf::MAP_SWAPPED);
2299 2248
2300 # need to save uniques path 2249 # need to save uniques path
2301 unless ($self->{deny_save}) { 2250 unless ($self->{deny_save}) {
2392 : normalise $_ 2341 : normalise $_
2393 } @{ aio_readdir $UNIQUEDIR or [] } 2342 } @{ aio_readdir $UNIQUEDIR or [] }
2394 ] 2343 ]
2395} 2344}
2396 2345
2346=item cf::map::static_maps
2347
2348Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2349file in the shared directory). May block.
2350
2351=cut
2352
2353sub static_maps() {
2354 my @dirs = "";
2355 my @maps;
2356
2357 while (@dirs) {
2358 my $dir = shift @dirs;
2359
2360 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2361 or return;
2362
2363 for (@$files) {
2364 s/\.map$// or next;
2365 utf8::decode $_;
2366 push @maps, "$dir/$_";
2367 }
2368
2369 push @dirs, map "$dir/$_", @$dirs;
2370 }
2371
2372 \@maps
2373}
2374
2397=back 2375=back
2398 2376
2399=head3 cf::object 2377=head3 cf::object
2400 2378
2401=cut 2379=cut
2466 2444
2467our $SAY_CHANNEL = { 2445our $SAY_CHANNEL = {
2468 id => "say", 2446 id => "say",
2469 title => "Map", 2447 title => "Map",
2470 reply => "say ", 2448 reply => "say ",
2471 tooltip => "Things said to and replied from npcs near you and other players on the same map only.", 2449 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2472}; 2450};
2473 2451
2474our $CHAT_CHANNEL = { 2452our $CHAT_CHANNEL = {
2475 id => "chat", 2453 id => "chat",
2476 title => "Chat", 2454 title => "Chat",
2531 2509
2532=item $player_object->enter_link 2510=item $player_object->enter_link
2533 2511
2534Freezes the player and moves him/her to a special map (C<{link}>). 2512Freezes the player and moves him/her to a special map (C<{link}>).
2535 2513
2536The player should be reasonably safe there for short amounts of time. You 2514The player should be reasonably safe there for short amounts of time (e.g.
2537I<MUST> call C<leave_link> as soon as possible, though. 2515for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2516though, as the palyer cannot control the character while it is on the link
2517map.
2538 2518
2539Will never block. 2519Will never block.
2540 2520
2541=item $player_object->leave_link ($map, $x, $y) 2521=item $player_object->leave_link ($map, $x, $y)
2542 2522
2600 2580
2601 $map->load; 2581 $map->load;
2602 $map->load_neighbours; 2582 $map->load_neighbours;
2603 2583
2604 return unless $self->contr->active; 2584 return unless $self->contr->active;
2605 $self->activate_recursive;
2606 2585
2607 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2586 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2608 $self->enter_map ($map, $x, $y); 2587 $self->enter_map ($map, $x, $y);
2588
2589 # only activate afterwards, to support waiting in hooks
2590 $self->activate_recursive;
2609} 2591}
2610 2592
2611=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2593=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2612 2594
2613Moves the player to the given map-path and coordinates by first freezing 2595Moves the player to the given map-path and coordinates by first freezing
2772 $self->contr->savebed ($map, $x, $y) 2754 $self->contr->savebed ($map, $x, $y)
2773 if $exit->flag (cf::FLAG_DAMNED); 2755 if $exit->flag (cf::FLAG_DAMNED);
2774 2756
2775 1 2757 1
2776 }) { 2758 }) {
2777 $self->message ("Something went wrong deep within the crossfire server. " 2759 $self->message ("Something went wrong deep within the deliantra server. "
2778 . "I'll try to bring you back to the map you were before. " 2760 . "I'll try to bring you back to the map you were before. "
2779 . "Please report this to the dungeon master!", 2761 . "Please report this to the dungeon master!",
2780 cf::NDI_UNIQUE | cf::NDI_RED); 2762 cf::NDI_UNIQUE | cf::NDI_RED);
2781 2763
2782 warn "ERROR in enter_exit: $@"; 2764 warn "ERROR in enter_exit: $@";
2812 2794
2813=cut 2795=cut
2814 2796
2815# non-persistent channels (usually the info channel) 2797# non-persistent channels (usually the info channel)
2816our %CHANNEL = ( 2798our %CHANNEL = (
2799 "c/motd" => {
2800 id => "infobox",
2801 title => "MOTD",
2802 reply => undef,
2803 tooltip => "The message of the day",
2804 },
2817 "c/identify" => { 2805 "c/identify" => {
2818 id => "infobox", 2806 id => "infobox",
2819 title => "Identify", 2807 title => "Identify",
2820 reply => undef, 2808 reply => undef,
2821 tooltip => "Items recently identified", 2809 tooltip => "Items recently identified",
2823 "c/examine" => { 2811 "c/examine" => {
2824 id => "infobox", 2812 id => "infobox",
2825 title => "Examine", 2813 title => "Examine",
2826 reply => undef, 2814 reply => undef,
2827 tooltip => "Signs and other items you examined", 2815 tooltip => "Signs and other items you examined",
2816 },
2817 "c/shopinfo" => {
2818 id => "infobox",
2819 title => "Shop Info",
2820 reply => undef,
2821 tooltip => "What your bargaining skill tells you about the shop",
2828 }, 2822 },
2829 "c/book" => { 2823 "c/book" => {
2830 id => "infobox", 2824 id => "infobox",
2831 title => "Book", 2825 title => "Book",
2832 reply => undef, 2826 reply => undef,
2848 id => "infobox", 2842 id => "infobox",
2849 title => "Body Parts", 2843 title => "Body Parts",
2850 reply => undef, 2844 reply => undef,
2851 tooltip => "Shows which body parts you posess and are available", 2845 tooltip => "Shows which body parts you posess and are available",
2852 }, 2846 },
2847 "c/statistics" => {
2848 id => "infobox",
2849 title => "Statistics",
2850 reply => undef,
2851 tooltip => "Shows your primary statistics",
2852 },
2853 "c/skills" => {
2854 id => "infobox",
2855 title => "Skills",
2856 reply => undef,
2857 tooltip => "Shows your experience per skill and item power",
2858 },
2859 "c/shopitems" => {
2860 id => "infobox",
2861 title => "Shop Items",
2862 reply => undef,
2863 tooltip => "Shows the items currently for sale in this shop",
2864 },
2865 "c/resistances" => {
2866 id => "infobox",
2867 title => "Resistances",
2868 reply => undef,
2869 tooltip => "Shows your resistances",
2870 },
2871 "c/pets" => {
2872 id => "infobox",
2873 title => "Pets",
2874 reply => undef,
2875 tooltip => "Shows information abotu your pets/a specific pet",
2876 },
2877 "c/perceiveself" => {
2878 id => "infobox",
2879 title => "Perceive Self",
2880 reply => undef,
2881 tooltip => "You gained detailed knowledge about yourself",
2882 },
2853 "c/uptime" => { 2883 "c/uptime" => {
2854 id => "infobox", 2884 id => "infobox",
2855 title => "Uptime", 2885 title => "Uptime",
2856 reply => undef, 2886 reply => undef,
2857 tooltip => "How long the server has been running since last restart", 2887 tooltip => "How long the server has been running since last restart",
2866 id => "party", 2896 id => "party",
2867 title => "Party", 2897 title => "Party",
2868 reply => "gsay ", 2898 reply => "gsay ",
2869 tooltip => "Messages and chat related to your party", 2899 tooltip => "Messages and chat related to your party",
2870 }, 2900 },
2901 "c/death" => {
2902 id => "death",
2903 title => "Death",
2904 reply => undef,
2905 tooltip => "Reason for and more info about your most recent death",
2906 },
2907 "c/say" => $SAY_CHANNEL,
2908 "c/chat" => $CHAT_CHANNEL,
2871); 2909);
2872 2910
2873sub cf::client::send_msg { 2911sub cf::client::send_msg {
2874 my ($self, $channel, $msg, $color, @extra) = @_; 2912 my ($self, $channel, $msg, $color, @extra) = @_;
2875 2913
2876 $msg = $self->pl->expand_cfpod ($msg); 2914 $msg = $self->pl->expand_cfpod ($msg)
2915 unless $color & cf::NDI_VERBATIM;
2877 2916
2878 $color &= cf::NDI_CLIENT_MASK; # just in case... 2917 $color &= cf::NDI_CLIENT_MASK; # just in case...
2879 2918
2880 # check predefined channels, for the benefit of C 2919 # check predefined channels, for the benefit of C
2881 if ($CHANNEL{$channel}) { 2920 if ($CHANNEL{$channel}) {
2882 $channel = $CHANNEL{$channel}; 2921 $channel = $CHANNEL{$channel};
2883 2922
2884 $self->ext_msg (channel_info => $channel) 2923 $self->ext_msg (channel_info => $channel);
2885 if $self->can_msg;
2886
2887 $channel = $channel->{id}; 2924 $channel = $channel->{id};
2888 2925
2889 } elsif (ref $channel) { 2926 } elsif (ref $channel) {
2890 # send meta info to client, if not yet sent 2927 # send meta info to client, if not yet sent
2891 unless (exists $self->{channel}{$channel->{id}}) { 2928 unless (exists $self->{channel}{$channel->{id}}) {
2892 $self->{channel}{$channel->{id}} = $channel; 2929 $self->{channel}{$channel->{id}} = $channel;
2893 $self->ext_msg (channel_info => $channel) 2930 $self->ext_msg (channel_info => $channel);
2894 if $self->can_msg;
2895 } 2931 }
2896 2932
2897 $channel = $channel->{id}; 2933 $channel = $channel->{id};
2898 } 2934 }
2899 2935
2900 return unless @extra || length $msg; 2936 return unless @extra || length $msg;
2901 2937
2902 if ($self->can_msg) {
2903 # default colour, mask it out 2938 # default colour, mask it out
2904 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2939 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2905 if $color & cf::NDI_DEF; 2940 if $color & cf::NDI_DEF;
2906 2941
2907 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2942 my $pkt = "msg "
2943 . $self->{json_coder}->encode (
2908 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2944 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2909 } else { 2945 );
2910 if ($color >= 0) {
2911 # replace some tags by gcfclient-compatible ones
2912 for ($msg) {
2913 1 while
2914 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2915 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2916 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2917 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2918 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2919 }
2920 2946
2921 $color &= cf::NDI_COLOR_MASK; 2947 # try lzf for large packets
2948 $pkt = "lzf " . Compress::LZF::compress $pkt
2949 if 1024 <= length $pkt and $self->{can_lzf};
2922 2950
2923 utf8::encode $msg; 2951 # split very large packets
2924 2952 if (8192 < length $pkt and $self->{can_lzf}) {
2925 if (0 && $msg =~ /\[/) { 2953 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2926 # COMMAND/INFO 2954 $pkt = "frag";
2927 $self->send_packet ("drawextinfo $color 10 8 $msg")
2928 } else {
2929 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2930 $self->send_packet ("drawinfo $color $msg")
2931 }
2932 }
2933 } 2955 }
2956
2957 $self->send_packet ($pkt);
2934} 2958}
2935 2959
2936=item $client->ext_msg ($type, @msg) 2960=item $client->ext_msg ($type, @msg)
2937 2961
2938Sends an ext event to the client. 2962Sends an ext event to the client.
3113The following functions and methods are available within a safe environment: 3137The following functions and methods are available within a safe environment:
3114 3138
3115 cf::object 3139 cf::object
3116 contr pay_amount pay_player map x y force_find force_add destroy 3140 contr pay_amount pay_player map x y force_find force_add destroy
3117 insert remove name archname title slaying race decrease split 3141 insert remove name archname title slaying race decrease split
3142 value
3118 3143
3119 cf::object::player 3144 cf::object::player
3120 player 3145 player
3121 3146
3122 cf::player 3147 cf::player
3128=cut 3153=cut
3129 3154
3130for ( 3155for (
3131 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3156 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3132 insert remove inv nrof name archname title slaying race 3157 insert remove inv nrof name archname title slaying race
3133 decrease split destroy change_exp)], 3158 decrease split destroy change_exp value msg lore send_msg)],
3134 ["cf::object::player" => qw(player)], 3159 ["cf::object::player" => qw(player)],
3135 ["cf::player" => qw(peaceful)], 3160 ["cf::player" => qw(peaceful send_msg)],
3136 ["cf::map" => qw(trigger)], 3161 ["cf::map" => qw(trigger)],
3137) { 3162) {
3138 no strict 'refs'; 3163 no strict 'refs';
3139 my ($pkg, @funs) = @$_; 3164 my ($pkg, @funs) = @$_;
3140 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3165 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3157 my ($code, %vars) = @_; 3182 my ($code, %vars) = @_;
3158 3183
3159 my $qcode = $code; 3184 my $qcode = $code;
3160 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3185 $qcode =~ s/"/‟/g; # not allowed in #line filenames
3161 $qcode =~ s/\n/\\n/g; 3186 $qcode =~ s/\n/\\n/g;
3187
3188 %vars = (_dummy => 0) unless %vars;
3162 3189
3163 local $_; 3190 local $_;
3164 local @safe::cf::_safe_eval_args = values %vars; 3191 local @safe::cf::_safe_eval_args = values %vars;
3165 3192
3166 my $eval = 3193 my $eval =
3396 reload_treasures; 3423 reload_treasures;
3397 3424
3398 warn "finished reloading resource files\n"; 3425 warn "finished reloading resource files\n";
3399} 3426}
3400 3427
3401sub init {
3402 my $guard = freeze_mainloop;
3403
3404 evthread_start IO::AIO::poll_fileno;
3405
3406 reload_resources;
3407}
3408
3409sub reload_config { 3428sub reload_config {
3429 warn "reloading config file...\n";
3430
3410 open my $fh, "<:utf8", "$CONFDIR/config" 3431 open my $fh, "<:utf8", "$CONFDIR/config"
3411 or return; 3432 or return;
3412 3433
3413 local $/; 3434 local $/;
3414 *CFG = YAML::Load <$fh>; 3435 *CFG = YAML::XS::Load scalar <$fh>;
3415 3436
3416 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3437 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3417 3438
3418 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3439 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3419 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3440 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3423 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3444 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3424 and die "WARNING: m(un)lockall failed: $!\n"; 3445 and die "WARNING: m(un)lockall failed: $!\n";
3425 }; 3446 };
3426 warn $@ if $@; 3447 warn $@ if $@;
3427 } 3448 }
3449
3450 warn "finished reloading resource files\n";
3451}
3452
3453sub pidfile() {
3454 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3455 or die "$PIDFILE: $!";
3456 flock $fh, &Fcntl::LOCK_EX
3457 or die "$PIDFILE: flock: $!";
3458 $fh
3459}
3460
3461# make sure only one server instance is running at any one time
3462sub atomic {
3463 my $fh = pidfile;
3464
3465 my $pid = <$fh>;
3466 kill 9, $pid if $pid > 0;
3467
3468 seek $fh, 0, 0;
3469 print $fh $$;
3470}
3471
3472sub main_loop {
3473 warn "EV::loop starting\n";
3474 if (1) {
3475 EV::loop;
3476 }
3477 warn "EV::loop returned\n";
3478 goto &main_loop unless $REALLY_UNLOOP;
3428} 3479}
3429 3480
3430sub main { 3481sub main {
3482 cf::init_globals; # initialise logging
3483
3484 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3485 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3486 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3487 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3488
3489 cf::init_experience;
3490 cf::init_anim;
3491 cf::init_attackmess;
3492 cf::init_dynamic;
3493
3494 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3495
3431 # we must not ever block the main coroutine 3496 # we must not ever block the main coroutine
3432 local $Coro::idle = sub { 3497 local $Coro::idle = sub {
3433 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3498 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3434 (async { 3499 (async {
3435 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3500 $Coro::current->{desc} = "IDLE BUG HANDLER";
3436 EV::loop EV::LOOP_ONESHOT; 3501 EV::loop EV::LOOP_ONESHOT;
3437 })->prio (Coro::PRIO_MAX); 3502 })->prio (Coro::PRIO_MAX);
3438 }; 3503 };
3439 3504
3440 { 3505 evthread_start IO::AIO::poll_fileno;
3441 my $guard = freeze_mainloop; 3506
3507 cf::sync_job {
3508 reload_resources;
3442 reload_config; 3509 reload_config;
3443 db_init; 3510 db_init;
3511
3512 cf::load_settings;
3513 cf::load_materials;
3514 cf::init_uuid;
3515 cf::init_signals;
3516 cf::init_commands;
3517 cf::init_skills;
3518
3519 cf::init_beforeplay;
3520
3521 atomic;
3522
3444 load_extensions; 3523 load_extensions;
3445 3524
3446 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3525 utime time, time, $RUNTIMEFILE;
3526
3527 # no (long-running) fork's whatsoever before this point(!)
3528 use POSIX ();
3529 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3530
3531 (pop @POST_INIT)->(0) while @POST_INIT;
3447 } 3532 };
3448 3533
3449 EV::loop; 3534 main_loop;
3450} 3535}
3451 3536
3452############################################################################# 3537#############################################################################
3453# initialisation and cleanup 3538# initialisation and cleanup
3454 3539
3461 }; 3546 };
3462 } 3547 }
3463} 3548}
3464 3549
3465sub write_runtime_sync { 3550sub write_runtime_sync {
3466 my $runtime = "$LOCALDIR/runtime";
3467
3468 # first touch the runtime file to show we are still running: 3551 # first touch the runtime file to show we are still running:
3469 # the fsync below can take a very very long time. 3552 # the fsync below can take a very very long time.
3470 3553
3471 IO::AIO::aio_utime $runtime, undef, undef; 3554 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3472 3555
3473 my $guard = cf::lock_acquire "write_runtime"; 3556 my $guard = cf::lock_acquire "write_runtime";
3474 3557
3475 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3558 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3476 or return; 3559 or return;
3477 3560
3478 my $value = $cf::RUNTIME + 90 + 10; 3561 my $value = $cf::RUNTIME + 90 + 10;
3479 # 10 is the runtime save interval, for a monotonic clock 3562 # 10 is the runtime save interval, for a monotonic clock
3480 # 60 allows for the watchdog to kill the server. 3563 # 60 allows for the watchdog to kill the server.
3490 aio_utime $fh, undef, undef; 3573 aio_utime $fh, undef, undef;
3491 3574
3492 close $fh 3575 close $fh
3493 or return; 3576 or return;
3494 3577
3495 aio_rename "$runtime~", $runtime 3578 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3496 and return; 3579 and return;
3497 3580
3498 warn "runtime file written.\n"; 3581 warn "runtime file written.\n";
3499 3582
3500 1 3583 1
3512 my $uuid = "$LOCALDIR/uuid"; 3595 my $uuid = "$LOCALDIR/uuid";
3513 3596
3514 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644 3597 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3515 or return; 3598 or return;
3516 3599
3517 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur; 3600 my $value = uuid_seq uuid_cur;
3601
3602 unless ($value) {
3603 warn "cowardly refusing to write zero uuid value!\n";
3604 return;
3605 }
3606
3607 my $value = uuid_str $value + $uuid_skip;
3518 $uuid_skip = 0; 3608 $uuid_skip = 0;
3519 3609
3520 (aio_write $fh, 0, (length $value), $value, 0) <= 0 3610 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3521 and return; 3611 and return;
3522 3612
3544} 3634}
3545 3635
3546sub emergency_save() { 3636sub emergency_save() {
3547 my $freeze_guard = cf::freeze_mainloop; 3637 my $freeze_guard = cf::freeze_mainloop;
3548 3638
3549 warn "enter emergency perl save\n"; 3639 warn "emergency_perl_save: enter\n";
3550 3640
3551 cf::sync_job { 3641 cf::sync_job {
3642 # this is a trade-off: we want to be very quick here, so
3643 # save all maps without fsync, and later call a global sync
3644 # (which in turn might be very very slow)
3645 local $USE_FSYNC = 0;
3646
3552 # use a peculiar iteration method to avoid tripping on perl 3647 # use a peculiar iteration method to avoid tripping on perl
3553 # refcount bugs in for. also avoids problems with players 3648 # refcount bugs in for. also avoids problems with players
3554 # and maps saved/destroyed asynchronously. 3649 # and maps saved/destroyed asynchronously.
3555 warn "begin emergency player save\n"; 3650 warn "emergency_perl_save: begin player save\n";
3556 for my $login (keys %cf::PLAYER) { 3651 for my $login (keys %cf::PLAYER) {
3557 my $pl = $cf::PLAYER{$login} or next; 3652 my $pl = $cf::PLAYER{$login} or next;
3558 $pl->valid or next; 3653 $pl->valid or next;
3559 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3654 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3560 $pl->save; 3655 $pl->save;
3561 } 3656 }
3562 warn "end emergency player save\n"; 3657 warn "emergency_perl_save: end player save\n";
3563 3658
3564 warn "begin emergency map save\n"; 3659 warn "emergency_perl_save: begin map save\n";
3565 for my $path (keys %cf::MAP) { 3660 for my $path (keys %cf::MAP) {
3566 my $map = $cf::MAP{$path} or next; 3661 my $map = $cf::MAP{$path} or next;
3567 $map->valid or next; 3662 $map->valid or next;
3568 $map->save; 3663 $map->save;
3569 } 3664 }
3570 warn "end emergency map save\n"; 3665 warn "emergency_perl_save: end map save\n";
3571 3666
3572 warn "begin emergency database checkpoint\n"; 3667 warn "emergency_perl_save: begin database checkpoint\n";
3573 BDB::db_env_txn_checkpoint $DB_ENV; 3668 BDB::db_env_txn_checkpoint $DB_ENV;
3574 warn "end emergency database checkpoint\n"; 3669 warn "emergency_perl_save: end database checkpoint\n";
3575 3670
3576 warn "begin write uuid\n"; 3671 warn "emergency_perl_save: begin write uuid\n";
3577 write_uuid_sync 1; 3672 write_uuid_sync 1;
3578 warn "end write uuid\n"; 3673 warn "emergency_perl_save: end write uuid\n";
3579 }; 3674 };
3580 3675
3676 warn "emergency_perl_save: starting sync()\n";
3677 IO::AIO::aio_sync sub {
3678 warn "emergency_perl_save: finished sync()\n";
3679 };
3680
3581 warn "leave emergency perl save\n"; 3681 warn "emergency_perl_save: leave\n";
3582} 3682}
3583 3683
3584sub post_cleanup { 3684sub post_cleanup {
3585 my ($make_core) = @_; 3685 my ($make_core) = @_;
3586 3686
3587 warn Carp::longmess "post_cleanup backtrace" 3687 warn Carp::longmess "post_cleanup backtrace"
3588 if $make_core; 3688 if $make_core;
3689
3690 my $fh = pidfile;
3691 unlink $PIDFILE if <$fh> == $$;
3692}
3693
3694# a safer delete_package, copied from Symbol
3695sub clear_package($) {
3696 my $pkg = shift;
3697
3698 # expand to full symbol table name if needed
3699 unless ($pkg =~ /^main::.*::$/) {
3700 $pkg = "main$pkg" if $pkg =~ /^::/;
3701 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3702 $pkg .= '::' unless $pkg =~ /::$/;
3703 }
3704
3705 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3706 my $stem_symtab = *{$stem}{HASH};
3707
3708 defined $stem_symtab and exists $stem_symtab->{$leaf}
3709 or return;
3710
3711 # clear all symbols
3712 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3713 for my $name (keys %$leaf_symtab) {
3714 _gv_clear *{"$pkg$name"};
3715# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3716 }
3717 warn "cleared package $pkg\n";#d#
3589} 3718}
3590 3719
3591sub do_reload_perl() { 3720sub do_reload_perl() {
3592 # can/must only be called in main 3721 # can/must only be called in main
3593 if ($Coro::current != $Coro::main) { 3722 if ($Coro::current != $Coro::main) {
3594 warn "can only reload from main coroutine"; 3723 warn "can only reload from main coroutine";
3595 return; 3724 return;
3596 } 3725 }
3597 3726
3727 return if $RELOAD++;
3728
3729 my $t1 = EV::time;
3730
3731 while ($RELOAD) {
3598 warn "reloading..."; 3732 warn "reloading...";
3599 3733
3600 warn "entering sync_job"; 3734 warn "entering sync_job";
3601 3735
3602 cf::sync_job { 3736 cf::sync_job {
3603 cf::write_runtime_sync; # external watchdog should not bark 3737 cf::write_runtime_sync; # external watchdog should not bark
3604 cf::emergency_save; 3738 cf::emergency_save;
3605 cf::write_runtime_sync; # external watchdog should not bark 3739 cf::write_runtime_sync; # external watchdog should not bark
3606 3740
3607 warn "syncing database to disk"; 3741 warn "syncing database to disk";
3608 BDB::db_env_txn_checkpoint $DB_ENV; 3742 BDB::db_env_txn_checkpoint $DB_ENV;
3609 3743
3610 # if anything goes wrong in here, we should simply crash as we already saved 3744 # if anything goes wrong in here, we should simply crash as we already saved
3611 3745
3612 warn "flushing outstanding aio requests"; 3746 warn "flushing outstanding aio requests";
3613 for (;;) {
3614 BDB::flush;
3615 IO::AIO::flush;
3616 Coro::cede_notself;
3617 last unless IO::AIO::nreqs || BDB::nreqs; 3747 while (IO::AIO::nreqs || BDB::nreqs) {
3618 warn "iterate..."; 3748 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3619 }
3620
3621 ++$RELOAD;
3622
3623 warn "cancelling all extension coros";
3624 $_->cancel for values %EXT_CORO;
3625 %EXT_CORO = ();
3626
3627 warn "removing commands";
3628 %COMMAND = ();
3629
3630 warn "removing ext/exti commands";
3631 %EXTCMD = ();
3632 %EXTICMD = ();
3633
3634 warn "unloading/nuking all extensions";
3635 for my $pkg (@EXTS) {
3636 warn "... unloading $pkg";
3637
3638 if (my $cb = $pkg->can ("unload")) {
3639 eval {
3640 $cb->($pkg);
3641 1
3642 } or warn "$pkg unloaded, but with errors: $@";
3643 } 3749 }
3644 3750
3645 warn "... nuking $pkg"; 3751 warn "cancelling all extension coros";
3646 Symbol::delete_package $pkg; 3752 $_->cancel for values %EXT_CORO;
3647 } 3753 %EXT_CORO = ();
3648 3754
3649 warn "unloading all perl modules loaded from $LIBDIR"; 3755 warn "removing commands";
3650 while (my ($k, $v) = each %INC) { 3756 %COMMAND = ();
3651 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3652 3757
3758 warn "removing ext/exti commands";
3759 %EXTCMD = ();
3760 %EXTICMD = ();
3761
3762 warn "unloading/nuking all extensions";
3763 for my $pkg (@EXTS) {
3653 warn "... unloading $k"; 3764 warn "... unloading $pkg";
3654 delete $INC{$k};
3655 3765
3656 $k =~ s/\.pm$//;
3657 $k =~ s/\//::/g;
3658
3659 if (my $cb = $k->can ("unload_module")) { 3766 if (my $cb = $pkg->can ("unload")) {
3767 eval {
3660 $cb->(); 3768 $cb->($pkg);
3769 1
3770 } or warn "$pkg unloaded, but with errors: $@";
3771 }
3772
3773 warn "... clearing $pkg";
3774 clear_package $pkg;
3661 } 3775 }
3662 3776
3663 Symbol::delete_package $k; 3777 warn "unloading all perl modules loaded from $LIBDIR";
3778 while (my ($k, $v) = each %INC) {
3779 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3780
3781 warn "... unloading $k";
3782 delete $INC{$k};
3783
3784 $k =~ s/\.pm$//;
3785 $k =~ s/\//::/g;
3786
3787 if (my $cb = $k->can ("unload_module")) {
3788 $cb->();
3789 }
3790
3791 clear_package $k;
3664 } 3792 }
3665 3793
3666 warn "getting rid of safe::, as good as possible"; 3794 warn "getting rid of safe::, as good as possible";
3667 Symbol::delete_package "safe::$_" 3795 clear_package "safe::$_"
3668 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3796 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3669 3797
3670 warn "unloading cf.pm \"a bit\""; 3798 warn "unloading cf.pm \"a bit\"";
3671 delete $INC{"cf.pm"}; 3799 delete $INC{"cf.pm"};
3672 delete $INC{"cf/pod.pm"}; 3800 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3673 3801
3674 # don't, removes xs symbols, too, 3802 # don't, removes xs symbols, too,
3675 # and global variables created in xs 3803 # and global variables created in xs
3676 #Symbol::delete_package __PACKAGE__; 3804 #clear_package __PACKAGE__;
3677 3805
3678 warn "unload completed, starting to reload now"; 3806 warn "unload completed, starting to reload now";
3679 3807
3680 warn "reloading cf.pm"; 3808 warn "reloading cf.pm";
3681 require cf; 3809 require cf;
3682 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3810 cf::_connect_to_perl_1;
3683 3811
3684 warn "loading config and database again"; 3812 warn "loading config and database again";
3685 cf::reload_config; 3813 cf::reload_config;
3686 3814
3687 warn "loading extensions"; 3815 warn "loading extensions";
3688 cf::load_extensions; 3816 cf::load_extensions;
3689 3817
3818 if ($REATTACH_ON_RELOAD) {
3690 warn "reattaching attachments to objects/players"; 3819 warn "reattaching attachments to objects/players";
3691 _global_reattach; # objects, sockets 3820 _global_reattach; # objects, sockets
3692 warn "reattaching attachments to maps"; 3821 warn "reattaching attachments to maps";
3693 reattach $_ for values %MAP; 3822 reattach $_ for values %MAP;
3694 warn "reattaching attachments to players"; 3823 warn "reattaching attachments to players";
3695 reattach $_ for values %PLAYER; 3824 reattach $_ for values %PLAYER;
3825 }
3696 3826
3827 warn "running post_init jobs";
3828 (pop @POST_INIT)->(1) while @POST_INIT;
3829
3697 warn "leaving sync_job"; 3830 warn "leaving sync_job";
3698 3831
3699 1 3832 1
3700 } or do { 3833 } or do {
3701 warn $@; 3834 warn $@;
3702 cf::cleanup "error while reloading, exiting."; 3835 cf::cleanup "error while reloading, exiting.";
3703 }; 3836 };
3704 3837
3705 warn "reloaded"; 3838 warn "reloaded";
3839 --$RELOAD;
3840 }
3841
3842 $t1 = EV::time - $t1;
3843 warn "reload completed in ${t1}s\n";
3706}; 3844};
3707 3845
3708our $RELOAD_WATCHER; # used only during reload 3846our $RELOAD_WATCHER; # used only during reload
3709 3847
3710sub reload_perl() { 3848sub reload_perl() {
3711 # doing reload synchronously and two reloads happen back-to-back, 3849 # doing reload synchronously and two reloads happen back-to-back,
3712 # coro crashes during coro_state_free->destroy here. 3850 # coro crashes during coro_state_free->destroy here.
3713 3851
3852 $RELOAD_WATCHER ||= cf::async {
3853 Coro::AIO::aio_wait cache_extensions;
3854
3714 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3855 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3715 do_reload_perl; 3856 do_reload_perl;
3716 undef $RELOAD_WATCHER; 3857 undef $RELOAD_WATCHER;
3858 };
3717 }; 3859 };
3718} 3860}
3719 3861
3720register_command "reload" => sub { 3862register_command "reload" => sub {
3721 my ($who, $arg) = @_; 3863 my ($who, $arg) = @_;
3847 $msg =~ s/\n//; 3989 $msg =~ s/\n//;
3848 3990
3849 # limit the # of concurrent backtraces 3991 # limit the # of concurrent backtraces
3850 if ($_log_backtrace < 2) { 3992 if ($_log_backtrace < 2) {
3851 ++$_log_backtrace; 3993 ++$_log_backtrace;
3994 my $perl_bt = Carp::longmess $msg;
3852 async { 3995 async {
3853 $Coro::current->{desc} = "abt $msg"; 3996 $Coro::current->{desc} = "abt $msg";
3854 3997
3855 my @bt = fork_call { 3998 my @bt = fork_call {
3856 @addr = map { sprintf "%x", $_ } @addr; 3999 @addr = map { sprintf "%x", $_ } @addr;
3867 } 4010 }
3868 4011
3869 @funcs 4012 @funcs
3870 }; 4013 };
3871 4014
3872 LOG llevInfo, "[ABT] $msg\n"; 4015 LOG llevInfo, "[ABT] $perl_bt\n";
4016 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3873 LOG llevInfo, "[ABT] $_\n" for @bt; 4017 LOG llevInfo, "[ABT] $_\n" for @bt;
3874 --$_log_backtrace; 4018 --$_log_backtrace;
3875 }; 4019 };
3876 } else { 4020 } else {
3877 LOG llevInfo, "[ABT] $msg\n"; 4021 LOG llevInfo, "[ABT] $msg\n";
3878 LOG llevInfo, "[ABT] [suppressed]\n"; 4022 LOG llevInfo, "[ABT] [suppressed]\n";
3879 } 4023 }
3880} 4024}
3881 4025
3882# load additional modules 4026# load additional modules
3883use cf::pod; 4027require "cf/$_.pm" for @EXTRA_MODULES;
4028cf::_connect_to_perl_2;
3884 4029
3885END { cf::emergency_save } 4030END { cf::emergency_save }
3886 4031
38871 40321
3888 4033

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