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Revision 1.425 by root, Mon Apr 21 06:35:26 2008 UTC vs.
Revision 1.492 by root, Mon Oct 26 01:22:34 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 3.2; 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 4.50 (); 39use Coro ();
37use Coro::State; 40use Coro::State;
38use Coro::Handle; 41use Coro::Handle;
39use Coro::EV; 42use Coro::EV;
43use Coro::AnyEvent;
40use Coro::Timer; 44use Coro::Timer;
41use Coro::Signal; 45use Coro::Signal;
42use Coro::Semaphore; 46use Coro::Semaphore;
47use Coro::SemaphoreSet;
48use Coro::AnyEvent;
43use Coro::AIO; 49use Coro::AIO;
44use Coro::BDB; 50use Coro::BDB 1.6;
45use Coro::Storable; 51use Coro::Storable;
46use Coro::Util (); 52use Coro::Util ();
47 53
48use JSON::XS 2.01 (); 54use JSON::XS 2.01 ();
49use BDB (); 55use BDB ();
50use Data::Dumper; 56use Data::Dumper;
51use Digest::MD5; 57use Digest::MD5;
52use Fcntl; 58use Fcntl;
53use YAML (); 59use YAML::XS ();
54use IO::AIO 2.51 (); 60use IO::AIO ();
55use Time::HiRes; 61use Time::HiRes;
56use Compress::LZF; 62use Compress::LZF;
57use Digest::MD5 (); 63use Digest::MD5 ();
64
65AnyEvent::detect;
58 66
59# configure various modules to our taste 67# configure various modules to our taste
60# 68#
61$Storable::canonical = 1; # reduce rsync transfers 69$Storable::canonical = 1; # reduce rsync transfers
62Coro::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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
63Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64 77
65$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" };
66 80
67sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
68 82
69our %COMMAND = (); 83our %COMMAND = ();
70our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
73our %EXTCMD = (); 87our %EXTCMD = ();
74our %EXTICMD = (); 88our %EXTICMD = ();
75our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
76our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
77 91
78our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
79our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
80 96
81our $CONFDIR = confdir; 97our $CONFDIR = confdir;
82our $DATADIR = datadir; 98our $DATADIR = datadir;
83our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
84our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
85our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
86our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
87our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
88our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
91our $BDBDIR = "$LOCALDIR/db"; 107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
92our %RESOURCE; 111our %RESOURCE;
93 112
94our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 113our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95our $AIO_POLL_WATCHER;
96our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 114our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97our $NEXT_TICK; 115our $NEXT_TICK;
98our $USE_FSYNC = 1; # use fsync to write maps - default off 116our $USE_FSYNC = 1; # use fsync to write maps - default on
99 117
100our $BDB_POLL_WATCHER;
101our $BDB_DEADLOCK_WATCHER; 118our $BDB_DEADLOCK_WATCHER;
102our $BDB_CHECKPOINT_WATCHER; 119our $BDB_CHECKPOINT_WATCHER;
103our $BDB_TRICKLE_WATCHER; 120our $BDB_TRICKLE_WATCHER;
104our $DB_ENV; 121our $DB_ENV;
105 122
123our @EXTRA_MODULES = qw(pod match mapscript);
124
106our %CFG; 125our %CFG;
107 126
108our $UPTIME; $UPTIME ||= time; 127our $UPTIME; $UPTIME ||= time;
109our $RUNTIME; 128our $RUNTIME;
110our $NOW; 129our $NOW;
119our $LOAD; # a number between 0 (idle) and 1 (too many objects) 138our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120our $LOADAVG; # same thing, but with alpha-smoothing 139our $LOADAVG; # same thing, but with alpha-smoothing
121our $JITTER; # average jitter 140our $JITTER; # average jitter
122our $TICK_START; # for load detecting purposes 141our $TICK_START; # for load detecting purposes
123 142
143our @POST_INIT;
144
145our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
146our $REALLY_UNLOOP; # never set to true, please :)
147
124binmode STDOUT; 148binmode STDOUT;
125binmode STDERR; 149binmode STDERR;
126 150
127# read virtual server time, if available 151# read virtual server time, if available
128unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 152unless ($RUNTIME || !-e $RUNTIMEFILE) {
129 open my $fh, "<", "$LOCALDIR/runtime" 153 open my $fh, "<", $RUNTIMEFILE
130 or die "unable to read runtime file: $!"; 154 or die "unable to read $RUNTIMEFILE file: $!";
131 $RUNTIME = <$fh> + 0.; 155 $RUNTIME = <$fh> + 0.;
132} 156}
157
158eval "sub TICK() { $TICK } 1" or die;
133 159
134mkdir $_ 160mkdir $_
135 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 161 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136 162
137our $EMERGENCY_POSITION; 163our $EMERGENCY_POSITION;
138 164
139sub 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 $1, keys %{"cf::"} };
140 177
141############################################################################# 178#############################################################################
142 179
143=head2 GLOBAL VARIABLES 180=head2 GLOBAL VARIABLES
144 181
191returns directly I<after> the tick processing (and consequently, can only wake one process 228returns directly I<after> the tick processing (and consequently, can only wake one process
192per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 229per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
193 230
194=item @cf::INVOKE_RESULTS 231=item @cf::INVOKE_RESULTS
195 232
196This array contains the results of the last C<invoke ()> call. When 233This array contains the results of the last C<invoke ()> call. When
197C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of 234C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198that call. 235that call.
199 236
237=item %cf::REFLECT
238
239Contains, for each (C++) class name, a hash reference with information
240about object members (methods, scalars, arrays and flags) and other
241metadata, which is useful for introspection.
242
200=back 243=back
201 244
202=cut 245=cut
203 246
204BEGIN { 247$Coro::State::WARNHOOK = sub {
205 *CORE::GLOBAL::warn = sub {
206 my $msg = join "", @_; 248 my $msg = join "", @_;
207 249
208 $msg .= "\n" 250 $msg .= "\n"
209 unless $msg =~ /\n$/; 251 unless $msg =~ /\n$/;
210 252
211 $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;
212 254
213 LOG llevError, $msg; 255 LOG llevError, $msg;
214 }; 256};
215}
216 257
217$Coro::State::DIEHOOK = sub { 258$Coro::State::DIEHOOK = sub {
218 return unless $^S eq 0; # "eq", not "==" 259 return unless $^S eq 0; # "eq", not "=="
260
261 warn Carp::longmess $_[0];
219 262
220 if ($Coro::current == $Coro::main) {#d# 263 if ($Coro::current == $Coro::main) {#d#
221 warn "DIEHOOK called in main context, Coro bug?\n";#d# 264 warn "DIEHOOK called in main context, Coro bug?\n";#d#
222 return;#d# 265 return;#d#
223 }#d# 266 }#d#
224 267
225 # kill coroutine otherwise 268 # kill coroutine otherwise
226 warn Carp::longmess $_[0];
227 Coro::terminate 269 Coro::terminate
228}; 270};
229
230$SIG{__DIE__} = sub { }; #d#?
231 271
232@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 272@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 273@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 274@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 275@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
242for my $pkg (qw( 282for my $pkg (qw(
243 cf::global cf::attachable 283 cf::global cf::attachable
244 cf::object cf::object::player 284 cf::object cf::object::player
245 cf::client cf::player 285 cf::client cf::player
246 cf::arch cf::living 286 cf::arch cf::living
287 cf::map cf::mapspace
247 cf::map cf::party cf::region 288 cf::party cf::region
248)) { 289)) {
249 no strict 'refs';
250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 290 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251} 291}
252 292
253$EV::DIED = sub { 293$EV::DIED = sub {
254 warn "error in event callback: @_"; 294 warn "error in event callback: @_";
296our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 336our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297 337
298sub encode_json($) { $json_coder->encode ($_[0]) } 338sub encode_json($) { $json_coder->encode ($_[0]) }
299sub decode_json($) { $json_coder->decode ($_[0]) } 339sub decode_json($) { $json_coder->decode ($_[0]) }
300 340
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
301=item cf::lock_wait $string 355=item cf::lock_wait $string
302 356
303Wait until the given lock is available. See cf::lock_acquire. 357Wait until the given lock is available. See cf::lock_acquire.
304 358
305=item my $lock = cf::lock_acquire $string 359=item my $lock = cf::lock_acquire $string
306 360
307Wait 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
308a 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,
309for example when the coroutine gets canceled), the lock is automatically 363for example when the coroutine gets canceled), the lock is automatically
310returned. 364returned.
311 365
312Locks 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
313deadlocked coro. 367deadlocked coro.
319 373
320Return 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.
321 375
322=cut 376=cut
323 377
324our %LOCK; 378our $LOCKS = new Coro::SemaphoreSet;
325our %LOCKER;#d#
326 379
327sub lock_wait($) { 380sub lock_wait($) {
328 my ($key) = @_; 381 $LOCKS->wait ($_[0]);
329
330 if ($LOCKER{$key} == $Coro::current) {#d#
331 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332 return;#d#
333 }#d#
334
335 # wait for lock, if any
336 while ($LOCK{$key}) {
337 push @{ $LOCK{$key} }, $Coro::current;
338 Coro::schedule;
339 }
340} 382}
341 383
342sub lock_acquire($) { 384sub lock_acquire($) {
343 my ($key) = @_; 385 $LOCKS->guard ($_[0])
344
345 # wait, to be sure we are not locked
346 lock_wait $key;
347
348 $LOCK{$key} = [];
349 $LOCKER{$key} = $Coro::current;#d#
350
351 Coro::guard {
352 delete $LOCKER{$key};#d#
353 # wake up all waiters, to be on the safe side
354 $_->ready for @{ delete $LOCK{$key} };
355 }
356} 386}
357 387
358sub lock_active($) { 388sub lock_active($) {
359 my ($key) = @_; 389 $LOCKS->count ($_[0]) < 1
360
361 ! ! $LOCK{$key}
362} 390}
363 391
364sub freeze_mainloop { 392sub freeze_mainloop {
365 tick_inhibit_inc; 393 tick_inhibit_inc;
366 394
367 Coro::guard \&tick_inhibit_dec; 395 &Guard::guard (\&tick_inhibit_dec);
368} 396}
369 397
370=item cf::periodic $interval, $cb 398=item cf::periodic $interval, $cb
371 399
372Like 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
724 752
725############################################################################# 753#############################################################################
726 754
727=head2 ATTACHABLE OBJECTS 755=head2 ATTACHABLE OBJECTS
728 756
729Many 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
730attach callbacks/event handlers (a collection of which is called an "attachment") 758attach callbacks/event handlers (a collection of which is called an "attachment")
731to it. All such attachable objects support the following methods. 759to it. All such attachable objects support the following methods.
732 760
733In 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>
734C<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
784=item cf::CLASS::attachment $name, ... 812=item cf::CLASS::attachment $name, ...
785 813
786Register an attachment by C<$name> through which attachable objects of the 814Register an attachment by C<$name> through which attachable objects of the
787given CLASS can refer to this attachment. 815given CLASS can refer to this attachment.
788 816
789Some classes such as crossfire maps and objects can specify attachments 817Some classes such as deliantra maps and objects can specify attachments
790that are attached at load/instantiate time, thus the need for a name. 818that are attached at load/instantiate time, thus the need for a name.
791 819
792These calls expect any number of the following handler/hook descriptions: 820These calls expect any number of the following handler/hook descriptions:
793 821
794=over 4 822=over 4
1085 1113
1086sub reattach { 1114sub reattach {
1087 # basically do the same as instantiate, without calling instantiate 1115 # basically do the same as instantiate, without calling instantiate
1088 my ($obj) = @_; 1116 my ($obj) = @_;
1089 1117
1118 # no longer needed after getting rid of delete_package?
1090 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
1091 1120
1092 my $registry = $obj->registry; 1121 my $registry = $obj->registry;
1093 1122
1094 @$registry = (); 1123 @$registry = ();
1095 1124
1141 utf8::decode (my $decname = $filename); 1170 utf8::decode (my $decname = $filename);
1142 warn sprintf "saving %s (%d,%d)\n", 1171 warn sprintf "saving %s (%d,%d)\n",
1143 $decname, length $$rdata, scalar @$objs; 1172 $decname, length $$rdata, scalar @$objs;
1144 1173
1145 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1174 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1146 chmod SAVE_MODE, $fh; 1175 aio_chmod $fh, SAVE_MODE;
1147 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1176 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1148 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 }
1149 close $fh; 1181 aio_close $fh;
1150 1182
1151 if (@$objs) { 1183 if (@$objs) {
1152 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) {
1153 chmod SAVE_MODE, $fh; 1185 aio_chmod $fh, SAVE_MODE;
1154 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs }; 1186 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1155 aio_write $fh, 0, (length $data), $data, 0; 1187 aio_write $fh, 0, (length $data), $data, 0;
1156 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 }
1157 close $fh; 1192 aio_close $fh;
1158 aio_rename "$filename.pst~", "$filename.pst"; 1193 aio_rename "$filename.pst~", "$filename.pst";
1159 } 1194 }
1160 } else { 1195 } else {
1161 aio_unlink "$filename.pst"; 1196 aio_unlink "$filename.pst";
1162 } 1197 }
1163 1198
1164 aio_rename "$filename~", $filename; 1199 aio_rename "$filename~", $filename;
1200
1201 $filename =~ s%/[^/]+$%%;
1202 aio_pathsync $filename if $cf::USE_FSYNC;
1165 } else { 1203 } else {
1166 warn "FATAL: $filename~: $!\n"; 1204 warn "unable to save objects: $filename~: $!\n";
1167 } 1205 }
1168 } else { 1206 } else {
1169 aio_unlink $filename; 1207 aio_unlink $filename;
1170 aio_unlink "$filename.pst"; 1208 aio_unlink "$filename.pst";
1171 } 1209 }
1262 my ($name, $cb) = @_; 1300 my ($name, $cb) = @_;
1263 1301
1264 $EXTICMD{$name} = $cb; 1302 $EXTICMD{$name} = $cb;
1265} 1303}
1266 1304
1305use File::Glob ();
1306
1267cf::player->attach ( 1307cf::player->attach (
1268 on_command => sub { 1308 on_command => sub {
1269 my ($pl, $name, $params) = @_; 1309 my ($pl, $name, $params) = @_;
1270 1310
1271 my $cb = $COMMAND{$name} 1311 my $cb = $COMMAND{$name}
1303 1343
1304 cf::override; 1344 cf::override;
1305 }, 1345 },
1306); 1346);
1307 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
1308sub load_extensions { 1361sub load_extensions {
1309 cf::sync_job { 1362 cf::sync_job {
1310 my %todo; 1363 my %todo;
1311 1364
1312 for my $path (<$LIBDIR/*.ext>) { 1365 for my $path (<$LIBDIR/*.ext>) {
1331 1384
1332 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1385 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1386 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334 1387
1335 $ext{source} = 1388 $ext{source} =
1336 "package $pkg; use strict; use utf8;\n" 1389 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1337 . "#line 1 \"$path\"\n{\n" 1390 . "#line 1 \"$path\"\n{\n"
1338 . $source 1391 . $source
1339 . "\n};\n1"; 1392 . "\n};\n1";
1340 1393
1341 $todo{$base} = \%ext; 1394 $todo{$base} = \%ext;
1381 1434
1382=back 1435=back
1383 1436
1384=head2 CORE EXTENSIONS 1437=head2 CORE EXTENSIONS
1385 1438
1386Functions and methods that extend core crossfire objects. 1439Functions and methods that extend core deliantra objects.
1387 1440
1388=cut 1441=cut
1389 1442
1390package cf::player; 1443package cf::player;
1391 1444
1434 1487
1435sub exists($) { 1488sub exists($) {
1436 my ($login) = @_; 1489 my ($login) = @_;
1437 1490
1438 $cf::PLAYER{$login} 1491 $cf::PLAYER{$login}
1439 or cf::sync_job { !aio_stat path $login } 1492 or !aio_stat path $login
1440} 1493}
1441 1494
1442sub find($) { 1495sub find($) {
1443 return $cf::PLAYER{$_[0]} || do { 1496 return $cf::PLAYER{$_[0]} || do {
1444 my $login = $_[0]; 1497 my $login = $_[0];
1456 my $f = new_from_file cf::object::thawer path $login 1509 my $f = new_from_file cf::object::thawer path $login
1457 or return; 1510 or return;
1458 1511
1459 my $pl = cf::player::load_pl $f 1512 my $pl = cf::player::load_pl $f
1460 or return; 1513 or return;
1514
1461 local $cf::PLAYER_LOADING{$login} = $pl; 1515 local $cf::PLAYER_LOADING{$login} = $pl;
1462 $f->resolve_delayed_derefs; 1516 $f->resolve_delayed_derefs;
1463 $cf::PLAYER{$login} = $pl 1517 $cf::PLAYER{$login} = $pl
1464 } 1518 }
1465 } 1519 }
1518 my ($pl) = @_; 1572 my ($pl) = @_;
1519 1573
1520 my $name = $pl->ob->name; 1574 my $name = $pl->ob->name;
1521 1575
1522 $pl->{deny_save} = 1; 1576 $pl->{deny_save} = 1;
1523 $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
1524 1578
1525 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1579 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1526 $pl->deactivate; 1580 $pl->deactivate;
1581 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1582 $pl->ob->check_score;
1527 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1583 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1528 $pl->ns->destroy if $pl->ns; 1584 $pl->ns->destroy if $pl->ns;
1529 1585
1530 my $path = playerdir $pl; 1586 my $path = playerdir $pl;
1531 my $temp = "$path~$cf::RUNTIME~deleting~"; 1587 my $temp = "$path~$cf::RUNTIME~deleting~";
1570 1626
1571 for my $login (@$dirs) { 1627 for my $login (@$dirs) {
1572 my $path = path $login; 1628 my $path = path $login;
1573 1629
1574 # a .pst is a dead give-away for a valid player 1630 # a .pst is a dead give-away for a valid player
1575 unless (-e "$path.pst") { 1631 # if no pst file found, open and chekc for blocked users
1632 if (aio_stat "$path.pst") {
1576 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next; 1633 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1577 aio_read $fh, 0, 512, my $buf, 0 or next; 1634 aio_read $fh, 0, 512, my $buf, 0 or next;
1578 $buf !~ /^password -------------$/m or next; # official not-valid tag 1635 $buf !~ /^password -------------$/m or next; # official not-valid tag
1579 } 1636 }
1580 1637
1611 } 1668 }
1612 1669
1613 \@paths 1670 \@paths
1614} 1671}
1615 1672
1616=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1673=item $protocol_xml = $player->expand_cfpod ($cfpod)
1617 1674
1618Expand crossfire pod fragments into protocol xml. 1675Expand deliantra pod fragments into protocol xml.
1619
1620=cut
1621
1622use re 'eval';
1623
1624my $group;
1625my $interior; $interior = qr{
1626 # match a pod interior sequence sans C<< >>
1627 (?:
1628 \ (.*?)\ (?{ $group = $^N })
1629 | < (??{$interior}) >
1630 )
1631}x;
1632
1633sub expand_cfpod {
1634 my ($self, $pod) = @_;
1635
1636 my $xml;
1637
1638 while () {
1639 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1640 $group = $1;
1641
1642 $group =~ s/&/&amp;/g;
1643 $group =~ s/</&lt;/g;
1644
1645 $xml .= $group;
1646 } elsif ($pod =~ m%\G
1647 ([BCGHITU])
1648 <
1649 (?:
1650 ([^<>]*) (?{ $group = $^N })
1651 | < $interior >
1652 )
1653 >
1654 %gcsx
1655 ) {
1656 my ($code, $data) = ($1, $group);
1657
1658 if ($code eq "B") {
1659 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1660 } elsif ($code eq "I") {
1661 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1662 } elsif ($code eq "U") {
1663 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1664 } elsif ($code eq "C") {
1665 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1666 } elsif ($code eq "T") {
1667 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1668 } elsif ($code eq "G") {
1669 my ($male, $female) = split /\|/, $data;
1670 $data = $self->gender ? $female : $male;
1671 $xml .= expand_cfpod ($self, $data);
1672 } elsif ($code eq "H") {
1673 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1674 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1675 "")
1676 [$self->{hintmode}];
1677 } else {
1678 $xml .= "error processing '$code($data)' directive";
1679 }
1680 } else {
1681 if ($pod =~ /\G(.+)/) {
1682 warn "parse error while expanding $pod (at $1)";
1683 }
1684 last;
1685 }
1686 }
1687
1688 for ($xml) {
1689 # create single paragraphs (very hackish)
1690 s/(?<=\S)\n(?=\w)/ /g;
1691
1692 # compress some whitespace
1693 s/\s+\n/\n/g; # ws line-ends
1694 s/\n\n+/\n/g; # double lines
1695 s/^\n+//; # beginning lines
1696 s/\n+$//; # ending lines
1697 }
1698
1699 $xml
1700}
1701
1702no re 'eval';
1703
1704sub hintmode {
1705 $_[0]{hintmode} = $_[1] if @_ > 1;
1706 $_[0]{hintmode}
1707}
1708 1676
1709=item $player->ext_reply ($msgid, @msg) 1677=item $player->ext_reply ($msgid, @msg)
1710 1678
1711Sends an ext reply to the player. 1679Sends an ext reply to the player.
1712 1680
1925 1893
1926 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go; 1894 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1927 "$UNIQUEDIR/$path" 1895 "$UNIQUEDIR/$path"
1928} 1896}
1929 1897
1930# and all this just because we cannot iterate over
1931# all maps in C++...
1932sub change_all_map_light {
1933 my ($change) = @_;
1934
1935 $_->change_map_light ($change)
1936 for grep $_->outdoor, values %cf::MAP;
1937}
1938
1939sub decay_objects { 1898sub decay_objects {
1940 my ($self) = @_; 1899 my ($self) = @_;
1941 1900
1942 return if $self->{deny_reset}; 1901 return if $self->{deny_reset};
1943 1902
2025sub find { 1984sub find {
2026 my ($path, $origin) = @_; 1985 my ($path, $origin) = @_;
2027 1986
2028 $path = normalise $path, $origin && $origin->path; 1987 $path = normalise $path, $origin && $origin->path;
2029 1988
2030 cf::lock_wait "map_data:$path";#d#remove 1989 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2031 cf::lock_wait "map_find:$path"; 1990 my $guard2 = cf::lock_acquire "map_find:$path";
2032 1991
2033 $cf::MAP{$path} || do { 1992 $cf::MAP{$path} || do {
2034 my $guard1 = cf::lock_acquire "map_find:$path";
2035 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2036
2037 my $map = new_from_path cf::map $path 1993 my $map = new_from_path cf::map $path
2038 or return; 1994 or return;
2039 1995
2040 $map->{last_save} = $cf::RUNTIME; 1996 $map->{last_save} = $cf::RUNTIME;
2041 1997
2043 or return; 1999 or return;
2044 2000
2045 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2001 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2046 # doing this can freeze the server in a sync job, obviously 2002 # doing this can freeze the server in a sync job, obviously
2047 #$cf::WAIT_FOR_TICK->wait; 2003 #$cf::WAIT_FOR_TICK->wait;
2004 undef $guard2;
2048 undef $guard1; 2005 undef $guard1;
2049 undef $guard2;
2050 $map->reset; 2006 $map->reset;
2051 return find $path; 2007 return find $path;
2052 } 2008 }
2053 2009
2054 $cf::MAP{$path} = $map 2010 $cf::MAP{$path} = $map
2081 my $f = new_from_file cf::object::thawer $self->{load_path}; 2037 my $f = new_from_file cf::object::thawer $self->{load_path};
2082 $f->skip_block; 2038 $f->skip_block;
2083 $self->_load_objects ($f) 2039 $self->_load_objects ($f)
2084 or return; 2040 or return;
2085 2041
2086 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2042 $self->post_load_original
2087 if delete $self->{load_original}; 2043 if delete $self->{load_original};
2088 2044
2089 if (my $uniq = $self->uniq_path) { 2045 if (my $uniq = $self->uniq_path) {
2090 utf8::encode $uniq; 2046 utf8::encode $uniq;
2091 unless (aio_stat $uniq) { 2047 unless (aio_stat $uniq) {
2109 unless ($self->{deny_activate}) { 2065 unless ($self->{deny_activate}) {
2110 $self->decay_objects; 2066 $self->decay_objects;
2111 $self->fix_auto_apply; 2067 $self->fix_auto_apply;
2112 $self->update_buttons; 2068 $self->update_buttons;
2113 cf::cede_to_tick; 2069 cf::cede_to_tick;
2114 $self->set_darkness_map;
2115 cf::cede_to_tick;
2116 $self->activate; 2070 $self->activate;
2117 } 2071 }
2118 2072
2119 $self->{last_save} = $cf::RUNTIME; 2073 $self->{last_save} = $cf::RUNTIME;
2120 $self->last_access ($cf::RUNTIME); 2074 $self->last_access ($cf::RUNTIME);
2286 2240
2287 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2241 my $lock = cf::lock_acquire "map_data:$self->{path}";
2288 2242
2289 return if $self->players; 2243 return if $self->players;
2290 2244
2291 warn "resetting map ", $self->path; 2245 warn "resetting map ", $self->path, "\n";
2292 2246
2293 $self->in_memory (cf::MAP_SWAPPED); 2247 $self->in_memory (cf::MAP_SWAPPED);
2294 2248
2295 # need to save uniques path 2249 # need to save uniques path
2296 unless ($self->{deny_save}) { 2250 unless ($self->{deny_save}) {
2387 : normalise $_ 2341 : normalise $_
2388 } @{ aio_readdir $UNIQUEDIR or [] } 2342 } @{ aio_readdir $UNIQUEDIR or [] }
2389 ] 2343 ]
2390} 2344}
2391 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 excluding F</styles> and F</editor>). May
2350block.
2351
2352=cut
2353
2354sub static_maps() {
2355 my @dirs = "";
2356 my @maps;
2357
2358 while (@dirs) {
2359 my $dir = shift @dirs;
2360
2361 next if $dir eq "/styles" || $dir eq "/editor";
2362
2363 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2364 or return;
2365
2366 for (@$files) {
2367 s/\.map$// or next;
2368 utf8::decode $_;
2369 push @maps, "$dir/$_";
2370 }
2371
2372 push @dirs, map "$dir/$_", @$dirs;
2373 }
2374
2375 \@maps
2376}
2377
2392=back 2378=back
2393 2379
2394=head3 cf::object 2380=head3 cf::object
2395 2381
2396=cut 2382=cut
2457can be C<undef>. Does the right thing when the player is currently in a 2443can be C<undef>. Does the right thing when the player is currently in a
2458dialogue with the given NPC character. 2444dialogue with the given NPC character.
2459 2445
2460=cut 2446=cut
2461 2447
2448our $SAY_CHANNEL = {
2449 id => "say",
2450 title => "Map",
2451 reply => "say ",
2452 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2453};
2454
2455our $CHAT_CHANNEL = {
2456 id => "chat",
2457 title => "Chat",
2458 reply => "chat ",
2459 tooltip => "Player chat and shouts, global to the server.",
2460};
2461
2462# rough implementation of a future "reply" method that works 2462# rough implementation of a future "reply" method that works
2463# with dialog boxes. 2463# with dialog boxes.
2464#TODO: the first argument must go, split into a $npc->reply_to ( method 2464#TODO: the first argument must go, split into a $npc->reply_to ( method
2465sub cf::object::player::reply($$$;$) { 2465sub cf::object::player::reply($$$;$) {
2466 my ($self, $npc, $msg, $flags) = @_; 2466 my ($self, $npc, $msg, $flags) = @_;
2477 my $dialog = $pl->{npc_dialog}; 2477 my $dialog = $pl->{npc_dialog};
2478 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg)); 2478 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2479 2479
2480 } else { 2480 } else {
2481 $msg = $npc->name . " says: $msg" if $npc; 2481 $msg = $npc->name . " says: $msg" if $npc;
2482 $self->message ($msg, $flags); 2482 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2483 } 2483 }
2484 } 2484 }
2485} 2485}
2486 2486
2487=item $object->send_msg ($channel, $msg, $color, [extra...]) 2487=item $object->send_msg ($channel, $msg, $color, [extra...])
2512 2512
2513=item $player_object->enter_link 2513=item $player_object->enter_link
2514 2514
2515Freezes the player and moves him/her to a special map (C<{link}>). 2515Freezes the player and moves him/her to a special map (C<{link}>).
2516 2516
2517The player should be reasonably safe there for short amounts of time. You 2517The player should be reasonably safe there for short amounts of time (e.g.
2518I<MUST> call C<leave_link> as soon as possible, though. 2518for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2519though, as the palyer cannot control the character while it is on the link
2520map.
2519 2521
2520Will never block. 2522Will never block.
2521 2523
2522=item $player_object->leave_link ($map, $x, $y) 2524=item $player_object->leave_link ($map, $x, $y)
2523 2525
2575 ($x, $y) = (-1, -1) 2577 ($x, $y) = (-1, -1)
2576 unless (defined $x) && (defined $y); 2578 unless (defined $x) && (defined $y);
2577 2579
2578 # use -1 or undef as default coordinates, not 0, 0 2580 # use -1 or undef as default coordinates, not 0, 0
2579 ($x, $y) = ($map->enter_x, $map->enter_y) 2581 ($x, $y) = ($map->enter_x, $map->enter_y)
2580 if $x <=0 && $y <= 0; 2582 if $x <= 0 && $y <= 0;
2581 2583
2582 $map->load; 2584 $map->load;
2583 $map->load_neighbours; 2585 $map->load_neighbours;
2584 2586
2585 return unless $self->contr->active; 2587 return unless $self->contr->active;
2586 $self->activate_recursive;
2587 2588
2588 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2589 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2589 $self->enter_map ($map, $x, $y); 2590 $self->enter_map ($map, $x, $y);
2591
2592 # only activate afterwards, to support waiting in hooks
2593 $self->activate_recursive;
2590} 2594}
2591 2595
2592=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2596=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2593 2597
2594Moves the player to the given map-path and coordinates by first freezing 2598Moves the player to the given map-path and coordinates by first freezing
2595her, loading and preparing them map, calling the provided $check callback 2599her, loading and preparing them map, calling the provided $check callback
2596that has to return the map if sucecssful, and then unfreezes the player on 2600that has to return the map if sucecssful, and then unfreezes the player on
2597the new (success) or old (failed) map position. In either case, $done will 2601the new (success) or old (failed) map position. In either case, $done will
2598be called at the end of this process. 2602be called at the end of this process.
2603
2604Note that $check will be called with a potentially non-loaded map, so if
2605it needs a loaded map it has to call C<< ->load >>.
2599 2606
2600=cut 2607=cut
2601 2608
2602our $GOTOGEN; 2609our $GOTOGEN;
2603 2610
2682} 2689}
2683 2690
2684sub prepare_random_map { 2691sub prepare_random_map {
2685 my ($exit) = @_; 2692 my ($exit) = @_;
2686 2693
2687 my $guard = cf::lock_acquire "exit_prepare:$exit";
2688
2689 # all this does is basically replace the /! path by 2694 # all this does is basically replace the /! path by
2690 # a new random map path (?random/...) with a seed 2695 # a new random map path (?random/...) with a seed
2691 # that depends on the exit object 2696 # that depends on the exit object
2692 2697
2693 my $rmp = parse_random_map_params $exit->msg; 2698 my $rmp = parse_random_map_params $exit->msg;
2695 if ($exit->map) { 2700 if ($exit->map) {
2696 $rmp->{region} = $exit->region->name; 2701 $rmp->{region} = $exit->region->name;
2697 $rmp->{origin_map} = $exit->map->path; 2702 $rmp->{origin_map} = $exit->map->path;
2698 $rmp->{origin_x} = $exit->x; 2703 $rmp->{origin_x} = $exit->x;
2699 $rmp->{origin_y} = $exit->y; 2704 $rmp->{origin_y} = $exit->y;
2705
2706 $exit->map->touch;
2700 } 2707 }
2701 2708
2702 $rmp->{random_seed} ||= $exit->random_seed; 2709 $rmp->{random_seed} ||= $exit->random_seed;
2703 2710
2704 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp); 2711 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2708 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2715 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2709 aio_write $fh, 0, (length $data), $data, 0; 2716 aio_write $fh, 0, (length $data), $data, 0;
2710 undef $fh; 2717 undef $fh;
2711 aio_rename "$meta~", $meta; 2718 aio_rename "$meta~", $meta;
2712 2719
2720 my $slaying = "?random/$md5";
2721
2722 if ($exit->valid) {
2713 $exit->slaying ("?random/$md5"); 2723 $exit->slaying ("?random/$md5");
2714 $exit->msg (undef); 2724 $exit->msg (undef);
2725 }
2715 } 2726 }
2716} 2727}
2717 2728
2718sub cf::object::player::enter_exit { 2729sub cf::object::player::enter_exit {
2719 my ($self, $exit) = @_; 2730 my ($self, $exit) = @_;
2720 2731
2721 return unless $self->type == cf::PLAYER; 2732 return unless $self->type == cf::PLAYER;
2722 2733
2723 if ($exit->slaying eq "/!") {
2724 #TODO: this should de-fi-ni-te-ly not be a sync-job
2725 # the problem is that $exit might not survive long enough
2726 # so it needs to be done right now, right here
2727 cf::sync_job { prepare_random_map $exit };
2728 }
2729
2730 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2731 my $hp = $exit->stats->hp;
2732 my $sp = $exit->stats->sp;
2733
2734 $self->enter_link; 2734 $self->enter_link;
2735 2735
2736 # if exit is damned, update players death & WoR home-position
2737 $self->contr->savebed ($slaying, $hp, $sp)
2738 if $exit->flag (FLAG_DAMNED);
2739
2740 (async { 2736 (async {
2741 $Coro::current->{desc} = "enter_exit $slaying $hp $sp"; 2737 $Coro::current->{desc} = "enter_exit";
2742 2738
2743 $self->deactivate_recursive; # just to be sure
2744 unless (eval { 2739 unless (eval {
2740 $self->deactivate_recursive; # just to be sure
2741
2742 # random map handling
2743 {
2744 my $guard = cf::lock_acquire "exit_prepare:$exit";
2745
2746 prepare_random_map $exit
2747 if $exit->slaying eq "/!";
2748 }
2749
2750 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2751 my $x = $exit->stats->hp;
2752 my $y = $exit->stats->sp;
2753
2745 $self->goto ($slaying, $hp, $sp); 2754 $self->goto ($map, $x, $y);
2746 2755
2756 # if exit is damned, update players death & WoR home-position
2757 $self->contr->savebed ($map, $x, $y)
2758 if $exit->flag (cf::FLAG_DAMNED);
2759
2747 1; 2760 1
2748 }) { 2761 }) {
2749 $self->message ("Something went wrong deep within the crossfire server. " 2762 $self->message ("Something went wrong deep within the deliantra server. "
2750 . "I'll try to bring you back to the map you were before. " 2763 . "I'll try to bring you back to the map you were before. "
2751 . "Please report this to the dungeon master!", 2764 . "Please report this to the dungeon master!",
2752 cf::NDI_UNIQUE | cf::NDI_RED); 2765 cf::NDI_UNIQUE | cf::NDI_RED);
2753 2766
2754 warn "ERROR in enter_exit: $@"; 2767 warn "ERROR in enter_exit: $@";
2784 2797
2785=cut 2798=cut
2786 2799
2787# non-persistent channels (usually the info channel) 2800# non-persistent channels (usually the info channel)
2788our %CHANNEL = ( 2801our %CHANNEL = (
2802 "c/motd" => {
2803 id => "infobox",
2804 title => "MOTD",
2805 reply => undef,
2806 tooltip => "The message of the day",
2807 },
2789 "c/identify" => { 2808 "c/identify" => {
2790 id => "infobox", 2809 id => "infobox",
2791 title => "Identify", 2810 title => "Identify",
2792 reply => undef, 2811 reply => undef,
2793 tooltip => "Items recently identified", 2812 tooltip => "Items recently identified",
2795 "c/examine" => { 2814 "c/examine" => {
2796 id => "infobox", 2815 id => "infobox",
2797 title => "Examine", 2816 title => "Examine",
2798 reply => undef, 2817 reply => undef,
2799 tooltip => "Signs and other items you examined", 2818 tooltip => "Signs and other items you examined",
2819 },
2820 "c/shopinfo" => {
2821 id => "infobox",
2822 title => "Shop Info",
2823 reply => undef,
2824 tooltip => "What your bargaining skill tells you about the shop",
2800 }, 2825 },
2801 "c/book" => { 2826 "c/book" => {
2802 id => "infobox", 2827 id => "infobox",
2803 title => "Book", 2828 title => "Book",
2804 reply => undef, 2829 reply => undef,
2820 id => "infobox", 2845 id => "infobox",
2821 title => "Body Parts", 2846 title => "Body Parts",
2822 reply => undef, 2847 reply => undef,
2823 tooltip => "Shows which body parts you posess and are available", 2848 tooltip => "Shows which body parts you posess and are available",
2824 }, 2849 },
2850 "c/statistics" => {
2851 id => "infobox",
2852 title => "Statistics",
2853 reply => undef,
2854 tooltip => "Shows your primary statistics",
2855 },
2856 "c/skills" => {
2857 id => "infobox",
2858 title => "Skills",
2859 reply => undef,
2860 tooltip => "Shows your experience per skill and item power",
2861 },
2862 "c/shopitems" => {
2863 id => "infobox",
2864 title => "Shop Items",
2865 reply => undef,
2866 tooltip => "Shows the items currently for sale in this shop",
2867 },
2868 "c/resistances" => {
2869 id => "infobox",
2870 title => "Resistances",
2871 reply => undef,
2872 tooltip => "Shows your resistances",
2873 },
2874 "c/pets" => {
2875 id => "infobox",
2876 title => "Pets",
2877 reply => undef,
2878 tooltip => "Shows information abotu your pets/a specific pet",
2879 },
2880 "c/perceiveself" => {
2881 id => "infobox",
2882 title => "Perceive Self",
2883 reply => undef,
2884 tooltip => "You gained detailed knowledge about yourself",
2885 },
2825 "c/uptime" => { 2886 "c/uptime" => {
2826 id => "infobox", 2887 id => "infobox",
2827 title => "Uptime", 2888 title => "Uptime",
2828 reply => undef, 2889 reply => undef,
2829 tooltip => "How long the server has been running since last restart", 2890 tooltip => "How long the server has been running since last restart",
2832 id => "infobox", 2893 id => "infobox",
2833 title => "Map Info", 2894 title => "Map Info",
2834 reply => undef, 2895 reply => undef,
2835 tooltip => "Information related to the maps", 2896 tooltip => "Information related to the maps",
2836 }, 2897 },
2898 "c/party" => {
2899 id => "party",
2900 title => "Party",
2901 reply => "gsay ",
2902 tooltip => "Messages and chat related to your party",
2903 },
2904 "c/death" => {
2905 id => "death",
2906 title => "Death",
2907 reply => undef,
2908 tooltip => "Reason for and more info about your most recent death",
2909 },
2910 "c/say" => $SAY_CHANNEL,
2911 "c/chat" => $CHAT_CHANNEL,
2837); 2912);
2838 2913
2839sub cf::client::send_msg { 2914sub cf::client::send_msg {
2840 my ($self, $channel, $msg, $color, @extra) = @_; 2915 my ($self, $channel, $msg, $color, @extra) = @_;
2841 2916
2842 $msg = $self->pl->expand_cfpod ($msg); 2917 $msg = $self->pl->expand_cfpod ($msg)
2918 unless $color & cf::NDI_VERBATIM;
2843 2919
2844 $color &= cf::NDI_CLIENT_MASK; # just in case... 2920 $color &= cf::NDI_CLIENT_MASK; # just in case...
2845 2921
2846 # check predefined channels, for the benefit of C 2922 # check predefined channels, for the benefit of C
2847 if ($CHANNEL{$channel}) { 2923 if ($CHANNEL{$channel}) {
2848 $channel = $CHANNEL{$channel}; 2924 $channel = $CHANNEL{$channel};
2849 2925
2850 $self->ext_msg (channel_info => $channel) 2926 $self->ext_msg (channel_info => $channel);
2851 if $self->can_msg;
2852
2853 $channel = $channel->{id}; 2927 $channel = $channel->{id};
2854 2928
2855 } elsif (ref $channel) { 2929 } elsif (ref $channel) {
2856 # send meta info to client, if not yet sent 2930 # send meta info to client, if not yet sent
2857 unless (exists $self->{channel}{$channel->{id}}) { 2931 unless (exists $self->{channel}{$channel->{id}}) {
2858 $self->{channel}{$channel->{id}} = $channel; 2932 $self->{channel}{$channel->{id}} = $channel;
2859 $self->ext_msg (channel_info => $channel) 2933 $self->ext_msg (channel_info => $channel);
2860 if $self->can_msg;
2861 } 2934 }
2862 2935
2863 $channel = $channel->{id}; 2936 $channel = $channel->{id};
2864 } 2937 }
2865 2938
2866 return unless @extra || length $msg; 2939 return unless @extra || length $msg;
2867 2940
2868 if ($self->can_msg) {
2869 # default colour, mask it out 2941 # default colour, mask it out
2870 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2942 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2871 if $color & cf::NDI_DEF; 2943 if $color & cf::NDI_DEF;
2872 2944
2873 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2945 my $pkt = "msg "
2946 . $self->{json_coder}->encode (
2874 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2947 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2875 } else { 2948 );
2876 if ($color >= 0) {
2877 # replace some tags by gcfclient-compatible ones
2878 for ($msg) {
2879 1 while
2880 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2881 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2882 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2883 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2884 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2885 }
2886 2949
2887 $color &= cf::NDI_COLOR_MASK; 2950 # try lzf for large packets
2951 $pkt = "lzf " . Compress::LZF::compress $pkt
2952 if 1024 <= length $pkt and $self->{can_lzf};
2888 2953
2889 utf8::encode $msg; 2954 # split very large packets
2890 2955 if (8192 < length $pkt and $self->{can_lzf}) {
2891 if (0 && $msg =~ /\[/) { 2956 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2892 # COMMAND/INFO 2957 $pkt = "frag";
2893 $self->send_packet ("drawextinfo $color 10 8 $msg")
2894 } else {
2895 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2896 $self->send_packet ("drawinfo $color $msg")
2897 }
2898 }
2899 } 2958 }
2959
2960 $self->send_packet ($pkt);
2900} 2961}
2901 2962
2902=item $client->ext_msg ($type, @msg) 2963=item $client->ext_msg ($type, @msg)
2903 2964
2904Sends an ext event to the client. 2965Sends an ext event to the client.
3079The following functions and methods are available within a safe environment: 3140The following functions and methods are available within a safe environment:
3080 3141
3081 cf::object 3142 cf::object
3082 contr pay_amount pay_player map x y force_find force_add destroy 3143 contr pay_amount pay_player map x y force_find force_add destroy
3083 insert remove name archname title slaying race decrease split 3144 insert remove name archname title slaying race decrease split
3145 value
3084 3146
3085 cf::object::player 3147 cf::object::player
3086 player 3148 player
3087 3149
3088 cf::player 3150 cf::player
3093 3155
3094=cut 3156=cut
3095 3157
3096for ( 3158for (
3097 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3159 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3098 insert remove inv name archname title slaying race 3160 insert remove inv nrof name archname title slaying race
3099 decrease split destroy)], 3161 decrease split destroy change_exp value msg lore send_msg)],
3100 ["cf::object::player" => qw(player)], 3162 ["cf::object::player" => qw(player)],
3101 ["cf::player" => qw(peaceful)], 3163 ["cf::player" => qw(peaceful send_msg)],
3102 ["cf::map" => qw(trigger)], 3164 ["cf::map" => qw(trigger)],
3103) { 3165) {
3104 no strict 'refs'; 3166 no strict 'refs';
3105 my ($pkg, @funs) = @$_; 3167 my ($pkg, @funs) = @$_;
3106 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3168 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3123 my ($code, %vars) = @_; 3185 my ($code, %vars) = @_;
3124 3186
3125 my $qcode = $code; 3187 my $qcode = $code;
3126 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3188 $qcode =~ s/"/‟/g; # not allowed in #line filenames
3127 $qcode =~ s/\n/\\n/g; 3189 $qcode =~ s/\n/\\n/g;
3190
3191 %vars = (_dummy => 0) unless %vars;
3128 3192
3129 local $_; 3193 local $_;
3130 local @safe::cf::_safe_eval_args = values %vars; 3194 local @safe::cf::_safe_eval_args = values %vars;
3131 3195
3132 my $eval = 3196 my $eval =
3362 reload_treasures; 3426 reload_treasures;
3363 3427
3364 warn "finished reloading resource files\n"; 3428 warn "finished reloading resource files\n";
3365} 3429}
3366 3430
3367sub init {
3368 my $guard = freeze_mainloop;
3369
3370 reload_resources;
3371}
3372
3373sub reload_config { 3431sub reload_config {
3432 warn "reloading config file...\n";
3433
3374 open my $fh, "<:utf8", "$CONFDIR/config" 3434 open my $fh, "<:utf8", "$CONFDIR/config"
3375 or return; 3435 or return;
3376 3436
3377 local $/; 3437 local $/;
3378 *CFG = YAML::Load <$fh>; 3438 *CFG = YAML::XS::Load scalar <$fh>;
3379 3439
3380 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3440 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3381 3441
3382 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3442 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3383 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3443 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3387 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3447 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3388 and die "WARNING: m(un)lockall failed: $!\n"; 3448 and die "WARNING: m(un)lockall failed: $!\n";
3389 }; 3449 };
3390 warn $@ if $@; 3450 warn $@ if $@;
3391 } 3451 }
3452
3453 warn "finished reloading resource files\n";
3454}
3455
3456sub pidfile() {
3457 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3458 or die "$PIDFILE: $!";
3459 flock $fh, &Fcntl::LOCK_EX
3460 or die "$PIDFILE: flock: $!";
3461 $fh
3462}
3463
3464# make sure only one server instance is running at any one time
3465sub atomic {
3466 my $fh = pidfile;
3467
3468 my $pid = <$fh>;
3469 kill 9, $pid if $pid > 0;
3470
3471 seek $fh, 0, 0;
3472 print $fh $$;
3473}
3474
3475sub main_loop {
3476 warn "EV::loop starting\n";
3477 if (1) {
3478 EV::loop;
3479 }
3480 warn "EV::loop returned\n";
3481 goto &main_loop unless $REALLY_UNLOOP;
3392} 3482}
3393 3483
3394sub main { 3484sub main {
3485 cf::init_globals; # initialise logging
3486
3487 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3488 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3489 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3490 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3491
3492 cf::init_experience;
3493 cf::init_anim;
3494 cf::init_attackmess;
3495 cf::init_dynamic;
3496
3497 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3498
3395 # we must not ever block the main coroutine 3499 # we must not ever block the main coroutine
3396 local $Coro::idle = sub { 3500 local $Coro::idle = sub {
3397 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3501 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3398 (async { 3502 (async {
3399 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3503 $Coro::current->{desc} = "IDLE BUG HANDLER";
3400 EV::loop EV::LOOP_ONESHOT; 3504 EV::loop EV::LOOP_ONESHOT;
3401 })->prio (Coro::PRIO_MAX); 3505 })->prio (Coro::PRIO_MAX);
3402 }; 3506 };
3403 3507
3404 { 3508 evthread_start IO::AIO::poll_fileno;
3405 my $guard = freeze_mainloop; 3509
3510 cf::sync_job {
3511 reload_resources;
3406 reload_config; 3512 reload_config;
3407 db_init; 3513 db_init;
3514
3515 cf::load_settings;
3516 cf::load_materials;
3517 cf::init_uuid;
3518 cf::init_signals;
3519 cf::init_commands;
3520 cf::init_skills;
3521
3522 cf::init_beforeplay;
3523
3524 atomic;
3525
3408 load_extensions; 3526 load_extensions;
3409 3527
3410 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3528 utime time, time, $RUNTIMEFILE;
3411 evthread_start IO::AIO::poll_fileno; 3529
3530 # no (long-running) fork's whatsoever before this point(!)
3531 use POSIX ();
3532 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3533
3534 (pop @POST_INIT)->(0) while @POST_INIT;
3412 } 3535 };
3413 3536
3414 EV::loop; 3537 main_loop;
3415} 3538}
3416 3539
3417############################################################################# 3540#############################################################################
3418# initialisation and cleanup 3541# initialisation and cleanup
3419 3542
3426 }; 3549 };
3427 } 3550 }
3428} 3551}
3429 3552
3430sub write_runtime_sync { 3553sub write_runtime_sync {
3431 my $runtime = "$LOCALDIR/runtime";
3432
3433 # first touch the runtime file to show we are still running: 3554 # first touch the runtime file to show we are still running:
3434 # the fsync below can take a very very long time. 3555 # the fsync below can take a very very long time.
3435 3556
3436 IO::AIO::aio_utime $runtime, undef, undef; 3557 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3437 3558
3438 my $guard = cf::lock_acquire "write_runtime"; 3559 my $guard = cf::lock_acquire "write_runtime";
3439 3560
3440 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3561 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3441 or return; 3562 or return;
3442 3563
3443 my $value = $cf::RUNTIME + 90 + 10; 3564 my $value = $cf::RUNTIME + 90 + 10;
3444 # 10 is the runtime save interval, for a monotonic clock 3565 # 10 is the runtime save interval, for a monotonic clock
3445 # 60 allows for the watchdog to kill the server. 3566 # 60 allows for the watchdog to kill the server.
3455 aio_utime $fh, undef, undef; 3576 aio_utime $fh, undef, undef;
3456 3577
3457 close $fh 3578 close $fh
3458 or return; 3579 or return;
3459 3580
3460 aio_rename "$runtime~", $runtime 3581 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3461 and return; 3582 and return;
3462 3583
3463 warn "runtime file written.\n"; 3584 warn "runtime file written.\n";
3464 3585
3465 1 3586 1
3477 my $uuid = "$LOCALDIR/uuid"; 3598 my $uuid = "$LOCALDIR/uuid";
3478 3599
3479 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644 3600 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3480 or return; 3601 or return;
3481 3602
3482 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur; 3603 my $value = uuid_seq uuid_cur;
3604
3605 unless ($value) {
3606 warn "cowardly refusing to write zero uuid value!\n";
3607 return;
3608 }
3609
3610 my $value = uuid_str $value + $uuid_skip;
3483 $uuid_skip = 0; 3611 $uuid_skip = 0;
3484 3612
3485 (aio_write $fh, 0, (length $value), $value, 0) <= 0 3613 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3486 and return; 3614 and return;
3487 3615
3509} 3637}
3510 3638
3511sub emergency_save() { 3639sub emergency_save() {
3512 my $freeze_guard = cf::freeze_mainloop; 3640 my $freeze_guard = cf::freeze_mainloop;
3513 3641
3514 warn "enter emergency perl save\n"; 3642 warn "emergency_perl_save: enter\n";
3515 3643
3516 cf::sync_job { 3644 cf::sync_job {
3645 # this is a trade-off: we want to be very quick here, so
3646 # save all maps without fsync, and later call a global sync
3647 # (which in turn might be very very slow)
3648 local $USE_FSYNC = 0;
3649
3517 # use a peculiar iteration method to avoid tripping on perl 3650 # use a peculiar iteration method to avoid tripping on perl
3518 # refcount bugs in for. also avoids problems with players 3651 # refcount bugs in for. also avoids problems with players
3519 # and maps saved/destroyed asynchronously. 3652 # and maps saved/destroyed asynchronously.
3520 warn "begin emergency player save\n"; 3653 warn "emergency_perl_save: begin player save\n";
3521 for my $login (keys %cf::PLAYER) { 3654 for my $login (keys %cf::PLAYER) {
3522 my $pl = $cf::PLAYER{$login} or next; 3655 my $pl = $cf::PLAYER{$login} or next;
3523 $pl->valid or next; 3656 $pl->valid or next;
3524 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3657 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3525 $pl->save; 3658 $pl->save;
3526 } 3659 }
3527 warn "end emergency player save\n"; 3660 warn "emergency_perl_save: end player save\n";
3528 3661
3529 warn "begin emergency map save\n"; 3662 warn "emergency_perl_save: begin map save\n";
3530 for my $path (keys %cf::MAP) { 3663 for my $path (keys %cf::MAP) {
3531 my $map = $cf::MAP{$path} or next; 3664 my $map = $cf::MAP{$path} or next;
3532 $map->valid or next; 3665 $map->valid or next;
3533 $map->save; 3666 $map->save;
3534 } 3667 }
3535 warn "end emergency map save\n"; 3668 warn "emergency_perl_save: end map save\n";
3536 3669
3537 warn "begin emergency database checkpoint\n"; 3670 warn "emergency_perl_save: begin database checkpoint\n";
3538 BDB::db_env_txn_checkpoint $DB_ENV; 3671 BDB::db_env_txn_checkpoint $DB_ENV;
3539 warn "end emergency database checkpoint\n"; 3672 warn "emergency_perl_save: end database checkpoint\n";
3540 3673
3541 warn "begin write uuid\n"; 3674 warn "emergency_perl_save: begin write uuid\n";
3542 write_uuid_sync 1; 3675 write_uuid_sync 1;
3543 warn "end write uuid\n"; 3676 warn "emergency_perl_save: end write uuid\n";
3544 }; 3677 };
3545 3678
3679 warn "emergency_perl_save: starting sync()\n";
3680 IO::AIO::aio_sync sub {
3681 warn "emergency_perl_save: finished sync()\n";
3682 };
3683
3546 warn "leave emergency perl save\n"; 3684 warn "emergency_perl_save: leave\n";
3547} 3685}
3548 3686
3549sub post_cleanup { 3687sub post_cleanup {
3550 my ($make_core) = @_; 3688 my ($make_core) = @_;
3551 3689
3552 warn Carp::longmess "post_cleanup backtrace" 3690 warn Carp::longmess "post_cleanup backtrace"
3553 if $make_core; 3691 if $make_core;
3692
3693 my $fh = pidfile;
3694 unlink $PIDFILE if <$fh> == $$;
3695}
3696
3697# a safer delete_package, copied from Symbol
3698sub clear_package($) {
3699 my $pkg = shift;
3700
3701 # expand to full symbol table name if needed
3702 unless ($pkg =~ /^main::.*::$/) {
3703 $pkg = "main$pkg" if $pkg =~ /^::/;
3704 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3705 $pkg .= '::' unless $pkg =~ /::$/;
3706 }
3707
3708 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3709 my $stem_symtab = *{$stem}{HASH};
3710
3711 defined $stem_symtab and exists $stem_symtab->{$leaf}
3712 or return;
3713
3714 # clear all symbols
3715 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3716 for my $name (keys %$leaf_symtab) {
3717 _gv_clear *{"$pkg$name"};
3718# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3719 }
3720 warn "cleared package $pkg\n";#d#
3554} 3721}
3555 3722
3556sub do_reload_perl() { 3723sub do_reload_perl() {
3557 # can/must only be called in main 3724 # can/must only be called in main
3558 if ($Coro::current != $Coro::main) { 3725 if ($Coro::current != $Coro::main) {
3559 warn "can only reload from main coroutine"; 3726 warn "can only reload from main coroutine";
3560 return; 3727 return;
3561 } 3728 }
3562 3729
3730 return if $RELOAD++;
3731
3732 my $t1 = EV::time;
3733
3734 while ($RELOAD) {
3563 warn "reloading..."; 3735 warn "reloading...";
3564 3736
3565 warn "entering sync_job"; 3737 warn "entering sync_job";
3566 3738
3567 cf::sync_job { 3739 cf::sync_job {
3568 cf::write_runtime_sync; # external watchdog should not bark 3740 cf::write_runtime_sync; # external watchdog should not bark
3569 cf::emergency_save; 3741 cf::emergency_save;
3570 cf::write_runtime_sync; # external watchdog should not bark 3742 cf::write_runtime_sync; # external watchdog should not bark
3571 3743
3572 warn "syncing database to disk"; 3744 warn "syncing database to disk";
3573 BDB::db_env_txn_checkpoint $DB_ENV; 3745 BDB::db_env_txn_checkpoint $DB_ENV;
3574 3746
3575 # if anything goes wrong in here, we should simply crash as we already saved 3747 # if anything goes wrong in here, we should simply crash as we already saved
3576 3748
3577 warn "flushing outstanding aio requests"; 3749 warn "flushing outstanding aio requests";
3578 for (;;) {
3579 BDB::flush;
3580 IO::AIO::flush;
3581 Coro::cede_notself;
3582 last unless IO::AIO::nreqs || BDB::nreqs; 3750 while (IO::AIO::nreqs || BDB::nreqs) {
3583 warn "iterate..."; 3751 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3584 }
3585
3586 ++$RELOAD;
3587
3588 warn "cancelling all extension coros";
3589 $_->cancel for values %EXT_CORO;
3590 %EXT_CORO = ();
3591
3592 warn "removing commands";
3593 %COMMAND = ();
3594
3595 warn "removing ext/exti commands";
3596 %EXTCMD = ();
3597 %EXTICMD = ();
3598
3599 warn "unloading/nuking all extensions";
3600 for my $pkg (@EXTS) {
3601 warn "... unloading $pkg";
3602
3603 if (my $cb = $pkg->can ("unload")) {
3604 eval {
3605 $cb->($pkg);
3606 1
3607 } or warn "$pkg unloaded, but with errors: $@";
3608 } 3752 }
3609 3753
3610 warn "... nuking $pkg"; 3754 warn "cancelling all extension coros";
3611 Symbol::delete_package $pkg; 3755 $_->cancel for values %EXT_CORO;
3612 } 3756 %EXT_CORO = ();
3613 3757
3614 warn "unloading all perl modules loaded from $LIBDIR"; 3758 warn "removing commands";
3615 while (my ($k, $v) = each %INC) { 3759 %COMMAND = ();
3616 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3617 3760
3761 warn "removing ext/exti commands";
3762 %EXTCMD = ();
3763 %EXTICMD = ();
3764
3765 warn "unloading/nuking all extensions";
3766 for my $pkg (@EXTS) {
3618 warn "... unloading $k"; 3767 warn "... unloading $pkg";
3619 delete $INC{$k};
3620 3768
3621 $k =~ s/\.pm$//;
3622 $k =~ s/\//::/g;
3623
3624 if (my $cb = $k->can ("unload_module")) { 3769 if (my $cb = $pkg->can ("unload")) {
3770 eval {
3625 $cb->(); 3771 $cb->($pkg);
3772 1
3773 } or warn "$pkg unloaded, but with errors: $@";
3774 }
3775
3776 warn "... clearing $pkg";
3777 clear_package $pkg;
3626 } 3778 }
3627 3779
3628 Symbol::delete_package $k; 3780 warn "unloading all perl modules loaded from $LIBDIR";
3781 while (my ($k, $v) = each %INC) {
3782 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3783
3784 warn "... unloading $k";
3785 delete $INC{$k};
3786
3787 $k =~ s/\.pm$//;
3788 $k =~ s/\//::/g;
3789
3790 if (my $cb = $k->can ("unload_module")) {
3791 $cb->();
3792 }
3793
3794 clear_package $k;
3629 } 3795 }
3630 3796
3631 warn "getting rid of safe::, as good as possible"; 3797 warn "getting rid of safe::, as good as possible";
3632 Symbol::delete_package "safe::$_" 3798 clear_package "safe::$_"
3633 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3799 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3634 3800
3635 warn "unloading cf.pm \"a bit\""; 3801 warn "unloading cf.pm \"a bit\"";
3636 delete $INC{"cf.pm"}; 3802 delete $INC{"cf.pm"};
3637 delete $INC{"cf/pod.pm"}; 3803 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3638 3804
3639 # don't, removes xs symbols, too, 3805 # don't, removes xs symbols, too,
3640 # and global variables created in xs 3806 # and global variables created in xs
3641 #Symbol::delete_package __PACKAGE__; 3807 #clear_package __PACKAGE__;
3642 3808
3643 warn "unload completed, starting to reload now"; 3809 warn "unload completed, starting to reload now";
3644 3810
3645 warn "reloading cf.pm"; 3811 warn "reloading cf.pm";
3646 require cf; 3812 require cf;
3647 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3813 cf::_connect_to_perl_1;
3648 3814
3649 warn "loading config and database again"; 3815 warn "loading config and database again";
3650 cf::reload_config; 3816 cf::reload_config;
3651 3817
3652 warn "loading extensions"; 3818 warn "loading extensions";
3653 cf::load_extensions; 3819 cf::load_extensions;
3654 3820
3821 if ($REATTACH_ON_RELOAD) {
3655 warn "reattaching attachments to objects/players"; 3822 warn "reattaching attachments to objects/players";
3656 _global_reattach; # objects, sockets 3823 _global_reattach; # objects, sockets
3657 warn "reattaching attachments to maps"; 3824 warn "reattaching attachments to maps";
3658 reattach $_ for values %MAP; 3825 reattach $_ for values %MAP;
3659 warn "reattaching attachments to players"; 3826 warn "reattaching attachments to players";
3660 reattach $_ for values %PLAYER; 3827 reattach $_ for values %PLAYER;
3828 }
3661 3829
3830 warn "running post_init jobs";
3831 (pop @POST_INIT)->(1) while @POST_INIT;
3832
3662 warn "leaving sync_job"; 3833 warn "leaving sync_job";
3663 3834
3664 1 3835 1
3665 } or do { 3836 } or do {
3666 warn $@; 3837 warn $@;
3667 cf::cleanup "error while reloading, exiting."; 3838 cf::cleanup "error while reloading, exiting.";
3668 }; 3839 };
3669 3840
3670 warn "reloaded"; 3841 warn "reloaded";
3842 --$RELOAD;
3843 }
3844
3845 $t1 = EV::time - $t1;
3846 warn "reload completed in ${t1}s\n";
3671}; 3847};
3672 3848
3673our $RELOAD_WATCHER; # used only during reload 3849our $RELOAD_WATCHER; # used only during reload
3674 3850
3675sub reload_perl() { 3851sub reload_perl() {
3676 # doing reload synchronously and two reloads happen back-to-back, 3852 # doing reload synchronously and two reloads happen back-to-back,
3677 # coro crashes during coro_state_free->destroy here. 3853 # coro crashes during coro_state_free->destroy here.
3678 3854
3855 $RELOAD_WATCHER ||= cf::async {
3856 Coro::AIO::aio_wait cache_extensions;
3857
3679 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3858 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3680 do_reload_perl; 3859 do_reload_perl;
3681 undef $RELOAD_WATCHER; 3860 undef $RELOAD_WATCHER;
3861 };
3682 }; 3862 };
3683} 3863}
3684 3864
3685register_command "reload" => sub { 3865register_command "reload" => sub {
3686 my ($who, $arg) = @_; 3866 my ($who, $arg) = @_;
3757{ 3937{
3758 # configure BDB 3938 # configure BDB
3759 3939
3760 BDB::min_parallel 8; 3940 BDB::min_parallel 8;
3761 BDB::max_poll_reqs $TICK * 0.1; 3941 BDB::max_poll_reqs $TICK * 0.1;
3762 $Coro::BDB::WATCHER->priority (1); 3942 $AnyEvent::BDB::WATCHER->priority (1);
3763 3943
3764 unless ($DB_ENV) { 3944 unless ($DB_ENV) {
3765 $DB_ENV = BDB::db_env_create; 3945 $DB_ENV = BDB::db_env_create;
3766 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3946 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3767 | BDB::LOG_AUTOREMOVE, 1); 3947 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3948 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3768 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT); 3949 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3769 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT); 3950 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3770 3951
3771 cf::sync_job { 3952 cf::sync_job {
3772 eval { 3953 eval {
3798{ 3979{
3799 # configure IO::AIO 3980 # configure IO::AIO
3800 3981
3801 IO::AIO::min_parallel 8; 3982 IO::AIO::min_parallel 8;
3802 IO::AIO::max_poll_time $TICK * 0.1; 3983 IO::AIO::max_poll_time $TICK * 0.1;
3803 $Coro::AIO::WATCHER->priority (1); 3984 undef $AnyEvent::AIO::WATCHER;
3804} 3985}
3805 3986
3806my $_log_backtrace; 3987my $_log_backtrace;
3807 3988
3808sub _log_backtrace { 3989sub _log_backtrace {
3811 $msg =~ s/\n//; 3992 $msg =~ s/\n//;
3812 3993
3813 # limit the # of concurrent backtraces 3994 # limit the # of concurrent backtraces
3814 if ($_log_backtrace < 2) { 3995 if ($_log_backtrace < 2) {
3815 ++$_log_backtrace; 3996 ++$_log_backtrace;
3997 my $perl_bt = Carp::longmess $msg;
3816 async { 3998 async {
3817 $Coro::current->{desc} = "abt $msg"; 3999 $Coro::current->{desc} = "abt $msg";
3818 4000
3819 my @bt = fork_call { 4001 my @bt = fork_call {
3820 @addr = map { sprintf "%x", $_ } @addr; 4002 @addr = map { sprintf "%x", $_ } @addr;
3831 } 4013 }
3832 4014
3833 @funcs 4015 @funcs
3834 }; 4016 };
3835 4017
3836 LOG llevInfo, "[ABT] $msg\n"; 4018 LOG llevInfo, "[ABT] $perl_bt\n";
4019 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3837 LOG llevInfo, "[ABT] $_\n" for @bt; 4020 LOG llevInfo, "[ABT] $_\n" for @bt;
3838 --$_log_backtrace; 4021 --$_log_backtrace;
3839 }; 4022 };
3840 } else { 4023 } else {
3841 LOG llevInfo, "[ABT] $msg\n"; 4024 LOG llevInfo, "[ABT] $msg\n";
3842 LOG llevInfo, "[ABT] [suppressed]\n"; 4025 LOG llevInfo, "[ABT] [suppressed]\n";
3843 } 4026 }
3844} 4027}
3845 4028
3846# load additional modules 4029# load additional modules
3847use cf::pod; 4030require "cf/$_.pm" for @EXTRA_MODULES;
4031cf::_connect_to_perl_2;
3848 4032
3849END { cf::emergency_save } 4033END { cf::emergency_save }
3850 4034
38511 40351
3852 4036

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