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Revision 1.437 by root, Tue Jul 8 08:33:27 2008 UTC vs.
Revision 1.486 by root, Thu Oct 15 21:56:50 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 $1, keys %{"cf::"} };
141 177
142############################################################################# 178#############################################################################
143 179
144=head2 GLOBAL VARIABLES 180=head2 GLOBAL VARIABLES
145 181
196 232
197This array contains the results of the last C<invoke ()> call. When 233This array contains the results of the last C<invoke ()> call. When
198C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of 234C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
199that call. 235that call.
200 236
237=item %cf::REFLECT
238
239Contains, for each (C++) class name, a hash reference with information
240about object members (methods, scalars, arrays and flags) and other
241metadata, which is useful for introspection.
242
201=back 243=back
202 244
203=cut 245=cut
204 246
205BEGIN { 247$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
2086 my $f = new_from_file cf::object::thawer $self->{load_path}; 2037 my $f = new_from_file cf::object::thawer $self->{load_path};
2087 $f->skip_block; 2038 $f->skip_block;
2088 $self->_load_objects ($f) 2039 $self->_load_objects ($f)
2089 or return; 2040 or return;
2090 2041
2091 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2042 $self->post_load_original
2092 if delete $self->{load_original}; 2043 if delete $self->{load_original};
2093 2044
2094 if (my $uniq = $self->uniq_path) { 2045 if (my $uniq = $self->uniq_path) {
2095 utf8::encode $uniq; 2046 utf8::encode $uniq;
2096 unless (aio_stat $uniq) { 2047 unless (aio_stat $uniq) {
2114 unless ($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}) {
2466 2415
2467our $SAY_CHANNEL = { 2416our $SAY_CHANNEL = {
2468 id => "say", 2417 id => "say",
2469 title => "Map", 2418 title => "Map",
2470 reply => "say ", 2419 reply => "say ",
2471 tooltip => "Things said to and replied from npcs near you and other players on the same map only.", 2420 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2472}; 2421};
2473 2422
2474our $CHAT_CHANNEL = { 2423our $CHAT_CHANNEL = {
2475 id => "chat", 2424 id => "chat",
2476 title => "Chat", 2425 title => "Chat",
2531 2480
2532=item $player_object->enter_link 2481=item $player_object->enter_link
2533 2482
2534Freezes the player and moves him/her to a special map (C<{link}>). 2483Freezes the player and moves him/her to a special map (C<{link}>).
2535 2484
2536The player should be reasonably safe there for short amounts of time. You 2485The player should be reasonably safe there for short amounts of time (e.g.
2537I<MUST> call C<leave_link> as soon as possible, though. 2486for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2487though, as the palyer cannot control the character while it is on the link
2488map.
2538 2489
2539Will never block. 2490Will never block.
2540 2491
2541=item $player_object->leave_link ($map, $x, $y) 2492=item $player_object->leave_link ($map, $x, $y)
2542 2493
2600 2551
2601 $map->load; 2552 $map->load;
2602 $map->load_neighbours; 2553 $map->load_neighbours;
2603 2554
2604 return unless $self->contr->active; 2555 return unless $self->contr->active;
2605 $self->activate_recursive;
2606 2556
2607 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2557 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2608 $self->enter_map ($map, $x, $y); 2558 $self->enter_map ($map, $x, $y);
2559
2560 # only activate afterwards, to support waiting in hooks
2561 $self->activate_recursive;
2609} 2562}
2610 2563
2611=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2564=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2612 2565
2613Moves the player to the given map-path and coordinates by first freezing 2566Moves the player to the given map-path and coordinates by first freezing
2772 $self->contr->savebed ($map, $x, $y) 2725 $self->contr->savebed ($map, $x, $y)
2773 if $exit->flag (cf::FLAG_DAMNED); 2726 if $exit->flag (cf::FLAG_DAMNED);
2774 2727
2775 1 2728 1
2776 }) { 2729 }) {
2777 $self->message ("Something went wrong deep within the crossfire server. " 2730 $self->message ("Something went wrong deep within the deliantra server. "
2778 . "I'll try to bring you back to the map you were before. " 2731 . "I'll try to bring you back to the map you were before. "
2779 . "Please report this to the dungeon master!", 2732 . "Please report this to the dungeon master!",
2780 cf::NDI_UNIQUE | cf::NDI_RED); 2733 cf::NDI_UNIQUE | cf::NDI_RED);
2781 2734
2782 warn "ERROR in enter_exit: $@"; 2735 warn "ERROR in enter_exit: $@";
2812 2765
2813=cut 2766=cut
2814 2767
2815# non-persistent channels (usually the info channel) 2768# non-persistent channels (usually the info channel)
2816our %CHANNEL = ( 2769our %CHANNEL = (
2770 "c/motd" => {
2771 id => "infobox",
2772 title => "MOTD",
2773 reply => undef,
2774 tooltip => "The message of the day",
2775 },
2817 "c/identify" => { 2776 "c/identify" => {
2818 id => "infobox", 2777 id => "infobox",
2819 title => "Identify", 2778 title => "Identify",
2820 reply => undef, 2779 reply => undef,
2821 tooltip => "Items recently identified", 2780 tooltip => "Items recently identified",
2848 id => "infobox", 2807 id => "infobox",
2849 title => "Body Parts", 2808 title => "Body Parts",
2850 reply => undef, 2809 reply => undef,
2851 tooltip => "Shows which body parts you posess and are available", 2810 tooltip => "Shows which body parts you posess and are available",
2852 }, 2811 },
2812 "c/statistics" => {
2813 id => "infobox",
2814 title => "Statistics",
2815 reply => undef,
2816 tooltip => "Shows your primary statistics",
2817 },
2818 "c/skills" => {
2819 id => "infobox",
2820 title => "Skills",
2821 reply => undef,
2822 tooltip => "Shows your experience per skill and item power",
2823 },
2824 "c/shopitems" => {
2825 id => "infobox",
2826 title => "Shop Items",
2827 reply => undef,
2828 tooltip => "Shows the items currently for sale in this shop",
2829 },
2830 "c/resistances" => {
2831 id => "infobox",
2832 title => "Resistances",
2833 reply => undef,
2834 tooltip => "Shows your resistances",
2835 },
2836 "c/pets" => {
2837 id => "infobox",
2838 title => "Pets",
2839 reply => undef,
2840 tooltip => "Shows information abotu your pets/a specific pet",
2841 },
2842 "c/perceiveself" => {
2843 id => "infobox",
2844 title => "Perceive Self",
2845 reply => undef,
2846 tooltip => "You gained detailed knowledge about yourself",
2847 },
2853 "c/uptime" => { 2848 "c/uptime" => {
2854 id => "infobox", 2849 id => "infobox",
2855 title => "Uptime", 2850 title => "Uptime",
2856 reply => undef, 2851 reply => undef,
2857 tooltip => "How long the server has been running since last restart", 2852 tooltip => "How long the server has been running since last restart",
2866 id => "party", 2861 id => "party",
2867 title => "Party", 2862 title => "Party",
2868 reply => "gsay ", 2863 reply => "gsay ",
2869 tooltip => "Messages and chat related to your party", 2864 tooltip => "Messages and chat related to your party",
2870 }, 2865 },
2866 "c/death" => {
2867 id => "death",
2868 title => "Death",
2869 reply => undef,
2870 tooltip => "Reason for and more info about your most recent death",
2871 },
2872 "c/say" => $SAY_CHANNEL,
2873 "c/chat" => $CHAT_CHANNEL,
2871); 2874);
2872 2875
2873sub cf::client::send_msg { 2876sub cf::client::send_msg {
2874 my ($self, $channel, $msg, $color, @extra) = @_; 2877 my ($self, $channel, $msg, $color, @extra) = @_;
2875 2878
2876 $msg = $self->pl->expand_cfpod ($msg); 2879 $msg = $self->pl->expand_cfpod ($msg)
2880 unless $color & cf::NDI_VERBATIM;
2877 2881
2878 $color &= cf::NDI_CLIENT_MASK; # just in case... 2882 $color &= cf::NDI_CLIENT_MASK; # just in case...
2879 2883
2880 # check predefined channels, for the benefit of C 2884 # check predefined channels, for the benefit of C
2881 if ($CHANNEL{$channel}) { 2885 if ($CHANNEL{$channel}) {
2882 $channel = $CHANNEL{$channel}; 2886 $channel = $CHANNEL{$channel};
2883 2887
2884 $self->ext_msg (channel_info => $channel) 2888 $self->ext_msg (channel_info => $channel);
2885 if $self->can_msg;
2886
2887 $channel = $channel->{id}; 2889 $channel = $channel->{id};
2888 2890
2889 } elsif (ref $channel) { 2891 } elsif (ref $channel) {
2890 # send meta info to client, if not yet sent 2892 # send meta info to client, if not yet sent
2891 unless (exists $self->{channel}{$channel->{id}}) { 2893 unless (exists $self->{channel}{$channel->{id}}) {
2892 $self->{channel}{$channel->{id}} = $channel; 2894 $self->{channel}{$channel->{id}} = $channel;
2893 $self->ext_msg (channel_info => $channel) 2895 $self->ext_msg (channel_info => $channel);
2894 if $self->can_msg;
2895 } 2896 }
2896 2897
2897 $channel = $channel->{id}; 2898 $channel = $channel->{id};
2898 } 2899 }
2899 2900
2900 return unless @extra || length $msg; 2901 return unless @extra || length $msg;
2901 2902
2902 if ($self->can_msg) {
2903 # default colour, mask it out 2903 # default colour, mask it out
2904 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2904 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2905 if $color & cf::NDI_DEF; 2905 if $color & cf::NDI_DEF;
2906 2906
2907 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2907 my $pkt = "msg "
2908 . $self->{json_coder}->encode (
2908 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2909 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2909 } else { 2910 );
2910 if ($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 2911
2921 $color &= cf::NDI_COLOR_MASK; 2912 # try lzf for large packets
2913 $pkt = "lzf " . Compress::LZF::compress $pkt
2914 if 1024 <= length $pkt and $self->{can_lzf};
2922 2915
2923 utf8::encode $msg; 2916 # split very large packets
2924 2917 if (8192 < length $pkt and $self->{can_lzf}) {
2925 if (0 && $msg =~ /\[/) { 2918 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2926 # COMMAND/INFO 2919 $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 } 2920 }
2921
2922 $self->send_packet ($pkt);
2934} 2923}
2935 2924
2936=item $client->ext_msg ($type, @msg) 2925=item $client->ext_msg ($type, @msg)
2937 2926
2938Sends an ext event to the client. 2927Sends an ext event to the client.
3113The following functions and methods are available within a safe environment: 3102The following functions and methods are available within a safe environment:
3114 3103
3115 cf::object 3104 cf::object
3116 contr pay_amount pay_player map x y force_find force_add destroy 3105 contr pay_amount pay_player map x y force_find force_add destroy
3117 insert remove name archname title slaying race decrease split 3106 insert remove name archname title slaying race decrease split
3107 value
3118 3108
3119 cf::object::player 3109 cf::object::player
3120 player 3110 player
3121 3111
3122 cf::player 3112 cf::player
3128=cut 3118=cut
3129 3119
3130for ( 3120for (
3131 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3121 ["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 3122 insert remove inv nrof name archname title slaying race
3133 decrease split destroy)], 3123 decrease split destroy change_exp value msg lore send_msg)],
3134 ["cf::object::player" => qw(player)], 3124 ["cf::object::player" => qw(player)],
3135 ["cf::player" => qw(peaceful)], 3125 ["cf::player" => qw(peaceful send_msg)],
3136 ["cf::map" => qw(trigger)], 3126 ["cf::map" => qw(trigger)],
3137) { 3127) {
3138 no strict 'refs'; 3128 no strict 'refs';
3139 my ($pkg, @funs) = @$_; 3129 my ($pkg, @funs) = @$_;
3140 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3130 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3157 my ($code, %vars) = @_; 3147 my ($code, %vars) = @_;
3158 3148
3159 my $qcode = $code; 3149 my $qcode = $code;
3160 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3150 $qcode =~ s/"/‟/g; # not allowed in #line filenames
3161 $qcode =~ s/\n/\\n/g; 3151 $qcode =~ s/\n/\\n/g;
3152
3153 %vars = (_dummy => 0) unless %vars;
3162 3154
3163 local $_; 3155 local $_;
3164 local @safe::cf::_safe_eval_args = values %vars; 3156 local @safe::cf::_safe_eval_args = values %vars;
3165 3157
3166 my $eval = 3158 my $eval =
3396 reload_treasures; 3388 reload_treasures;
3397 3389
3398 warn "finished reloading resource files\n"; 3390 warn "finished reloading resource files\n";
3399} 3391}
3400 3392
3401sub init {
3402 my $guard = freeze_mainloop;
3403
3404 evthread_start IO::AIO::poll_fileno;
3405
3406 reload_resources;
3407}
3408
3409sub reload_config { 3393sub reload_config {
3394 warn "reloading config file...\n";
3395
3410 open my $fh, "<:utf8", "$CONFDIR/config" 3396 open my $fh, "<:utf8", "$CONFDIR/config"
3411 or return; 3397 or return;
3412 3398
3413 local $/; 3399 local $/;
3414 *CFG = YAML::Load <$fh>; 3400 *CFG = YAML::XS::Load scalar <$fh>;
3415 3401
3416 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3402 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3417 3403
3418 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3404 $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}; 3405 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3423 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3409 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3424 and die "WARNING: m(un)lockall failed: $!\n"; 3410 and die "WARNING: m(un)lockall failed: $!\n";
3425 }; 3411 };
3426 warn $@ if $@; 3412 warn $@ if $@;
3427 } 3413 }
3414
3415 warn "finished reloading resource files\n";
3416}
3417
3418sub pidfile() {
3419 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3420 or die "$PIDFILE: $!";
3421 flock $fh, &Fcntl::LOCK_EX
3422 or die "$PIDFILE: flock: $!";
3423 $fh
3424}
3425
3426# make sure only one server instance is running at any one time
3427sub atomic {
3428 my $fh = pidfile;
3429
3430 my $pid = <$fh>;
3431 kill 9, $pid if $pid > 0;
3432
3433 seek $fh, 0, 0;
3434 print $fh $$;
3435}
3436
3437sub main_loop {
3438 warn "EV::loop starting\n";
3439 if (1) {
3440 EV::loop;
3441 }
3442 warn "EV::loop returned\n";
3443 goto &main_loop unless $REALLY_UNLOOP;
3428} 3444}
3429 3445
3430sub main { 3446sub main {
3447 cf::init_globals; # initialise logging
3448
3449 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3450 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3451 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3452 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3453
3454 cf::init_experience;
3455 cf::init_anim;
3456 cf::init_attackmess;
3457 cf::init_dynamic;
3458
3459 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3460
3431 # we must not ever block the main coroutine 3461 # we must not ever block the main coroutine
3432 local $Coro::idle = sub { 3462 local $Coro::idle = sub {
3433 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3463 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3434 (async { 3464 (async {
3435 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3465 $Coro::current->{desc} = "IDLE BUG HANDLER";
3436 EV::loop EV::LOOP_ONESHOT; 3466 EV::loop EV::LOOP_ONESHOT;
3437 })->prio (Coro::PRIO_MAX); 3467 })->prio (Coro::PRIO_MAX);
3438 }; 3468 };
3439 3469
3440 { 3470 evthread_start IO::AIO::poll_fileno;
3441 my $guard = freeze_mainloop; 3471
3472 cf::sync_job {
3473 reload_resources;
3442 reload_config; 3474 reload_config;
3443 db_init; 3475 db_init;
3476
3477 cf::load_settings;
3478 cf::load_materials;
3479 cf::init_uuid;
3480 cf::init_signals;
3481 cf::init_commands;
3482 cf::init_skills;
3483
3484 cf::init_beforeplay;
3485
3486 atomic;
3487
3444 load_extensions; 3488 load_extensions;
3445 3489
3446 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3490 utime time, time, $RUNTIMEFILE;
3491
3492 # no (long-running) fork's whatsoever before this point(!)
3493 use POSIX ();
3494 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3495
3496 (pop @POST_INIT)->(0) while @POST_INIT;
3447 } 3497 };
3448 3498
3449 EV::loop; 3499 main_loop;
3450} 3500}
3451 3501
3452############################################################################# 3502#############################################################################
3453# initialisation and cleanup 3503# initialisation and cleanup
3454 3504
3461 }; 3511 };
3462 } 3512 }
3463} 3513}
3464 3514
3465sub write_runtime_sync { 3515sub write_runtime_sync {
3466 my $runtime = "$LOCALDIR/runtime";
3467
3468 # first touch the runtime file to show we are still running: 3516 # first touch the runtime file to show we are still running:
3469 # the fsync below can take a very very long time. 3517 # the fsync below can take a very very long time.
3470 3518
3471 IO::AIO::aio_utime $runtime, undef, undef; 3519 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3472 3520
3473 my $guard = cf::lock_acquire "write_runtime"; 3521 my $guard = cf::lock_acquire "write_runtime";
3474 3522
3475 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3523 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3476 or return; 3524 or return;
3477 3525
3478 my $value = $cf::RUNTIME + 90 + 10; 3526 my $value = $cf::RUNTIME + 90 + 10;
3479 # 10 is the runtime save interval, for a monotonic clock 3527 # 10 is the runtime save interval, for a monotonic clock
3480 # 60 allows for the watchdog to kill the server. 3528 # 60 allows for the watchdog to kill the server.
3490 aio_utime $fh, undef, undef; 3538 aio_utime $fh, undef, undef;
3491 3539
3492 close $fh 3540 close $fh
3493 or return; 3541 or return;
3494 3542
3495 aio_rename "$runtime~", $runtime 3543 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3496 and return; 3544 and return;
3497 3545
3498 warn "runtime file written.\n"; 3546 warn "runtime file written.\n";
3499 3547
3500 1 3548 1
3512 my $uuid = "$LOCALDIR/uuid"; 3560 my $uuid = "$LOCALDIR/uuid";
3513 3561
3514 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644 3562 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3515 or return; 3563 or return;
3516 3564
3517 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur; 3565 my $value = uuid_seq uuid_cur;
3566
3567 unless ($value) {
3568 warn "cowardly refusing to write zero uuid value!\n";
3569 return;
3570 }
3571
3572 my $value = uuid_str $value + $uuid_skip;
3518 $uuid_skip = 0; 3573 $uuid_skip = 0;
3519 3574
3520 (aio_write $fh, 0, (length $value), $value, 0) <= 0 3575 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3521 and return; 3576 and return;
3522 3577
3544} 3599}
3545 3600
3546sub emergency_save() { 3601sub emergency_save() {
3547 my $freeze_guard = cf::freeze_mainloop; 3602 my $freeze_guard = cf::freeze_mainloop;
3548 3603
3549 warn "enter emergency perl save\n"; 3604 warn "emergency_perl_save: enter\n";
3550 3605
3551 cf::sync_job { 3606 cf::sync_job {
3607 # this is a trade-off: we want to be very quick here, so
3608 # save all maps without fsync, and later call a global sync
3609 # (which in turn might be very very slow)
3610 local $USE_FSYNC = 0;
3611
3552 # use a peculiar iteration method to avoid tripping on perl 3612 # use a peculiar iteration method to avoid tripping on perl
3553 # refcount bugs in for. also avoids problems with players 3613 # refcount bugs in for. also avoids problems with players
3554 # and maps saved/destroyed asynchronously. 3614 # and maps saved/destroyed asynchronously.
3555 warn "begin emergency player save\n"; 3615 warn "emergency_perl_save: begin player save\n";
3556 for my $login (keys %cf::PLAYER) { 3616 for my $login (keys %cf::PLAYER) {
3557 my $pl = $cf::PLAYER{$login} or next; 3617 my $pl = $cf::PLAYER{$login} or next;
3558 $pl->valid or next; 3618 $pl->valid or next;
3559 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3619 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3560 $pl->save; 3620 $pl->save;
3561 } 3621 }
3562 warn "end emergency player save\n"; 3622 warn "emergency_perl_save: end player save\n";
3563 3623
3564 warn "begin emergency map save\n"; 3624 warn "emergency_perl_save: begin map save\n";
3565 for my $path (keys %cf::MAP) { 3625 for my $path (keys %cf::MAP) {
3566 my $map = $cf::MAP{$path} or next; 3626 my $map = $cf::MAP{$path} or next;
3567 $map->valid or next; 3627 $map->valid or next;
3568 $map->save; 3628 $map->save;
3569 } 3629 }
3570 warn "end emergency map save\n"; 3630 warn "emergency_perl_save: end map save\n";
3571 3631
3572 warn "begin emergency database checkpoint\n"; 3632 warn "emergency_perl_save: begin database checkpoint\n";
3573 BDB::db_env_txn_checkpoint $DB_ENV; 3633 BDB::db_env_txn_checkpoint $DB_ENV;
3574 warn "end emergency database checkpoint\n"; 3634 warn "emergency_perl_save: end database checkpoint\n";
3575 3635
3576 warn "begin write uuid\n"; 3636 warn "emergency_perl_save: begin write uuid\n";
3577 write_uuid_sync 1; 3637 write_uuid_sync 1;
3578 warn "end write uuid\n"; 3638 warn "emergency_perl_save: end write uuid\n";
3579 }; 3639 };
3580 3640
3641 warn "emergency_perl_save: starting sync()\n";
3642 IO::AIO::aio_sync sub {
3643 warn "emergency_perl_save: finished sync()\n";
3644 };
3645
3581 warn "leave emergency perl save\n"; 3646 warn "emergency_perl_save: leave\n";
3582} 3647}
3583 3648
3584sub post_cleanup { 3649sub post_cleanup {
3585 my ($make_core) = @_; 3650 my ($make_core) = @_;
3586 3651
3587 warn Carp::longmess "post_cleanup backtrace" 3652 warn Carp::longmess "post_cleanup backtrace"
3588 if $make_core; 3653 if $make_core;
3654
3655 my $fh = pidfile;
3656 unlink $PIDFILE if <$fh> == $$;
3657}
3658
3659# a safer delete_package, copied from Symbol
3660sub clear_package($) {
3661 my $pkg = shift;
3662
3663 # expand to full symbol table name if needed
3664 unless ($pkg =~ /^main::.*::$/) {
3665 $pkg = "main$pkg" if $pkg =~ /^::/;
3666 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3667 $pkg .= '::' unless $pkg =~ /::$/;
3668 }
3669
3670 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3671 my $stem_symtab = *{$stem}{HASH};
3672
3673 defined $stem_symtab and exists $stem_symtab->{$leaf}
3674 or return;
3675
3676 # clear all symbols
3677 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3678 for my $name (keys %$leaf_symtab) {
3679 _gv_clear *{"$pkg$name"};
3680# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3681 }
3682 warn "cleared package $pkg\n";#d#
3589} 3683}
3590 3684
3591sub do_reload_perl() { 3685sub do_reload_perl() {
3592 # can/must only be called in main 3686 # can/must only be called in main
3593 if ($Coro::current != $Coro::main) { 3687 if ($Coro::current != $Coro::main) {
3594 warn "can only reload from main coroutine"; 3688 warn "can only reload from main coroutine";
3595 return; 3689 return;
3596 } 3690 }
3597 3691
3692 return if $RELOAD++;
3693
3694 my $t1 = EV::time;
3695
3696 while ($RELOAD) {
3598 warn "reloading..."; 3697 warn "reloading...";
3599 3698
3600 warn "entering sync_job"; 3699 warn "entering sync_job";
3601 3700
3602 cf::sync_job { 3701 cf::sync_job {
3603 cf::write_runtime_sync; # external watchdog should not bark 3702 cf::write_runtime_sync; # external watchdog should not bark
3604 cf::emergency_save; 3703 cf::emergency_save;
3605 cf::write_runtime_sync; # external watchdog should not bark 3704 cf::write_runtime_sync; # external watchdog should not bark
3606 3705
3607 warn "syncing database to disk"; 3706 warn "syncing database to disk";
3608 BDB::db_env_txn_checkpoint $DB_ENV; 3707 BDB::db_env_txn_checkpoint $DB_ENV;
3609 3708
3610 # if anything goes wrong in here, we should simply crash as we already saved 3709 # if anything goes wrong in here, we should simply crash as we already saved
3611 3710
3612 warn "flushing outstanding aio requests"; 3711 warn "flushing outstanding aio requests";
3613 for (;;) {
3614 BDB::flush;
3615 IO::AIO::flush;
3616 Coro::cede_notself;
3617 last unless IO::AIO::nreqs || BDB::nreqs; 3712 while (IO::AIO::nreqs || BDB::nreqs) {
3618 warn "iterate..."; 3713 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3619 }
3620
3621 ++$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 } 3714 }
3644 3715
3645 warn "... nuking $pkg"; 3716 warn "cancelling all extension coros";
3646 Symbol::delete_package $pkg; 3717 $_->cancel for values %EXT_CORO;
3647 } 3718 %EXT_CORO = ();
3648 3719
3649 warn "unloading all perl modules loaded from $LIBDIR"; 3720 warn "removing commands";
3650 while (my ($k, $v) = each %INC) { 3721 %COMMAND = ();
3651 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3652 3722
3723 warn "removing ext/exti commands";
3724 %EXTCMD = ();
3725 %EXTICMD = ();
3726
3727 warn "unloading/nuking all extensions";
3728 for my $pkg (@EXTS) {
3653 warn "... unloading $k"; 3729 warn "... unloading $pkg";
3654 delete $INC{$k};
3655 3730
3656 $k =~ s/\.pm$//;
3657 $k =~ s/\//::/g;
3658
3659 if (my $cb = $k->can ("unload_module")) { 3731 if (my $cb = $pkg->can ("unload")) {
3732 eval {
3660 $cb->(); 3733 $cb->($pkg);
3734 1
3735 } or warn "$pkg unloaded, but with errors: $@";
3736 }
3737
3738 warn "... clearing $pkg";
3739 clear_package $pkg;
3661 } 3740 }
3662 3741
3663 Symbol::delete_package $k; 3742 warn "unloading all perl modules loaded from $LIBDIR";
3743 while (my ($k, $v) = each %INC) {
3744 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3745
3746 warn "... unloading $k";
3747 delete $INC{$k};
3748
3749 $k =~ s/\.pm$//;
3750 $k =~ s/\//::/g;
3751
3752 if (my $cb = $k->can ("unload_module")) {
3753 $cb->();
3754 }
3755
3756 clear_package $k;
3664 } 3757 }
3665 3758
3666 warn "getting rid of safe::, as good as possible"; 3759 warn "getting rid of safe::, as good as possible";
3667 Symbol::delete_package "safe::$_" 3760 clear_package "safe::$_"
3668 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3761 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3669 3762
3670 warn "unloading cf.pm \"a bit\""; 3763 warn "unloading cf.pm \"a bit\"";
3671 delete $INC{"cf.pm"}; 3764 delete $INC{"cf.pm"};
3672 delete $INC{"cf/pod.pm"}; 3765 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3673 3766
3674 # don't, removes xs symbols, too, 3767 # don't, removes xs symbols, too,
3675 # and global variables created in xs 3768 # and global variables created in xs
3676 #Symbol::delete_package __PACKAGE__; 3769 #clear_package __PACKAGE__;
3677 3770
3678 warn "unload completed, starting to reload now"; 3771 warn "unload completed, starting to reload now";
3679 3772
3680 warn "reloading cf.pm"; 3773 warn "reloading cf.pm";
3681 require cf; 3774 require cf;
3682 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3775 cf::_connect_to_perl_1;
3683 3776
3684 warn "loading config and database again"; 3777 warn "loading config and database again";
3685 cf::reload_config; 3778 cf::reload_config;
3686 3779
3687 warn "loading extensions"; 3780 warn "loading extensions";
3688 cf::load_extensions; 3781 cf::load_extensions;
3689 3782
3783 if ($REATTACH_ON_RELOAD) {
3690 warn "reattaching attachments to objects/players"; 3784 warn "reattaching attachments to objects/players";
3691 _global_reattach; # objects, sockets 3785 _global_reattach; # objects, sockets
3692 warn "reattaching attachments to maps"; 3786 warn "reattaching attachments to maps";
3693 reattach $_ for values %MAP; 3787 reattach $_ for values %MAP;
3694 warn "reattaching attachments to players"; 3788 warn "reattaching attachments to players";
3695 reattach $_ for values %PLAYER; 3789 reattach $_ for values %PLAYER;
3790 }
3696 3791
3792 warn "running post_init jobs";
3793 (pop @POST_INIT)->(1) while @POST_INIT;
3794
3697 warn "leaving sync_job"; 3795 warn "leaving sync_job";
3698 3796
3699 1 3797 1
3700 } or do { 3798 } or do {
3701 warn $@; 3799 warn $@;
3702 cf::cleanup "error while reloading, exiting."; 3800 cf::cleanup "error while reloading, exiting.";
3703 }; 3801 };
3704 3802
3705 warn "reloaded"; 3803 warn "reloaded";
3804 --$RELOAD;
3805 }
3806
3807 $t1 = EV::time - $t1;
3808 warn "reload completed in ${t1}s\n";
3706}; 3809};
3707 3810
3708our $RELOAD_WATCHER; # used only during reload 3811our $RELOAD_WATCHER; # used only during reload
3709 3812
3710sub reload_perl() { 3813sub reload_perl() {
3711 # doing reload synchronously and two reloads happen back-to-back, 3814 # doing reload synchronously and two reloads happen back-to-back,
3712 # coro crashes during coro_state_free->destroy here. 3815 # coro crashes during coro_state_free->destroy here.
3713 3816
3817 $RELOAD_WATCHER ||= cf::async {
3818 Coro::AIO::aio_wait cache_extensions;
3819
3714 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3820 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3715 do_reload_perl; 3821 do_reload_perl;
3716 undef $RELOAD_WATCHER; 3822 undef $RELOAD_WATCHER;
3823 };
3717 }; 3824 };
3718} 3825}
3719 3826
3720register_command "reload" => sub { 3827register_command "reload" => sub {
3721 my ($who, $arg) = @_; 3828 my ($who, $arg) = @_;
3847 $msg =~ s/\n//; 3954 $msg =~ s/\n//;
3848 3955
3849 # limit the # of concurrent backtraces 3956 # limit the # of concurrent backtraces
3850 if ($_log_backtrace < 2) { 3957 if ($_log_backtrace < 2) {
3851 ++$_log_backtrace; 3958 ++$_log_backtrace;
3959 my $perl_bt = Carp::longmess $msg;
3852 async { 3960 async {
3853 $Coro::current->{desc} = "abt $msg"; 3961 $Coro::current->{desc} = "abt $msg";
3854 3962
3855 my @bt = fork_call { 3963 my @bt = fork_call {
3856 @addr = map { sprintf "%x", $_ } @addr; 3964 @addr = map { sprintf "%x", $_ } @addr;
3867 } 3975 }
3868 3976
3869 @funcs 3977 @funcs
3870 }; 3978 };
3871 3979
3872 LOG llevInfo, "[ABT] $msg\n"; 3980 LOG llevInfo, "[ABT] $perl_bt\n";
3981 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3873 LOG llevInfo, "[ABT] $_\n" for @bt; 3982 LOG llevInfo, "[ABT] $_\n" for @bt;
3874 --$_log_backtrace; 3983 --$_log_backtrace;
3875 }; 3984 };
3876 } else { 3985 } else {
3877 LOG llevInfo, "[ABT] $msg\n"; 3986 LOG llevInfo, "[ABT] $msg\n";
3878 LOG llevInfo, "[ABT] [suppressed]\n"; 3987 LOG llevInfo, "[ABT] [suppressed]\n";
3879 } 3988 }
3880} 3989}
3881 3990
3882# load additional modules 3991# load additional modules
3883use cf::pod; 3992require "cf/$_.pm" for @EXTRA_MODULES;
3993cf::_connect_to_perl_2;
3884 3994
3885END { cf::emergency_save } 3995END { cf::emergency_save }
3886 3996
38871 39971
3888 3998

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