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Revision 1.448 by root, Fri Sep 19 05:30:23 2008 UTC vs.
Revision 1.611 by root, Tue Nov 20 14:54:17 2012 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 (©) 2006,2007,2008,2009,2010,2011,2012 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	#	18	# <http://www.gnu.org/licenses/>.
		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
22	package cf;	23	package cf;
23		24
24	use 5.10.0;	25	use common::sense;
25	use utf8;
26	use strict "vars", "subs";
27		26
28	use Symbol;	27	use Symbol;
29	use List::Util;	28	use List::Util;
30	use Socket;	29	use Socket;
31	use EV;	30	use EV;
32	use Opcode;	31	use Opcode;
33	use Safe;	32	use Safe;
34	use Safe::Hole;	33	use Safe::Hole;
35	use Storable ();	34	use Storable ();
		35	use Carp ();
		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
36		40
37	use Coro ();	41	use Coro ();
38	use Coro::State;	42	use Coro::State;
39	use Coro::Handle;	43	use Coro::Handle;
40	use Coro::EV;	44	use Coro::EV;
41	use Coro::AnyEvent;	45	use Coro::AnyEvent;
42	use Coro::Timer;	46	use Coro::Timer;
43	use Coro::Signal;	47	use Coro::Signal;
44	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
45	use Coro::AnyEvent;	50	use Coro::AnyEvent;
46	use Coro::AIO;	51	use Coro::AIO;
47	use Coro::BDB 1.6;	52	use Coro::BDB 1.6;
48	use Coro::Storable;	53	use Coro::Storable;
49	use Coro::Util ();	54	use Coro::Util ();
50		55
		56	use Guard ();
51	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
52	use BDB ();	58	use BDB ();
53	use Data::Dumper;	59	use Data::Dumper;
54	use Digest::MD5;
55	use Fcntl;	60	use Fcntl;
56	use YAML ();	61	use YAML::XS ();
57	use IO::AIO ();	62	use IO::AIO ();
58	use Time::HiRes;
59	use Compress::LZF;	63	use Compress::LZF;
60	use Digest::MD5 ();	64	use Digest::MD5 ();
61		65
62	AnyEvent::detect;	66	AnyEvent::detect;
63		67
…		…
66	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
68		72
69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
70		74
71	{	75	# make sure c-lzf reinitialises itself
72	# very ugly, but ensure we acquire the storable lock
73
74	sub net_mstore {
75	my $guard = Coro::Storable::guard;
76	&Storable::net_mstore
77	}
78
79	sub mretrieve {
80	my $guard = Coro::Storable::guard;
81	&Storable::mretrieve
82	}
83
84	Compress::LZF::set_serializer "Coro::Storable", "cf::net_mstore", "cf::mretrieve";	76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
85	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
86	}	78
		79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
87		81
88	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
89		85
90	our %COMMAND = ();	86	our %COMMAND = ();
91	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
92		88
93	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
94	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
95	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
96	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
97	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
98		96
99	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
100	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
101		101
102	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
103	our $DATADIR = datadir;	104	our $DATADIR = datadir;
104	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
105	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
106	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
107	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
108	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
109	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
110	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
111	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
112	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
113	our $PIDFILE = "$LOCALDIR/pid";	115	our $PIDFILE = "$LOCALDIR/pid";
114	our $RUNTIMEFILE = "$LOCALDIR/runtime";	116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
115		117
116	our %RESOURCE;	118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
117		125
118	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
119	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
120	our $NEXT_TICK;	128	our $NEXT_TICK;
121	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
122		130
123	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
124	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
125	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
126	our $DB_ENV;	134	our $DB_ENV;
127		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
128	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
129		140
130	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
131	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
132	our $NOW;	144	our $NOW;
133		145
134	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
135	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
136	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
…		…
140		152
141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
142	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
143	our $JITTER; # average jitter	155	our $JITTER; # average jitter
144	our $TICK_START; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
145		165
146	binmode STDOUT;	166	binmode STDOUT;
147	binmode STDERR;	167	binmode STDERR;
148		168
149	# read virtual server time, if available	169	# read virtual server time, if available
…		…
151	open my $fh, "<", $RUNTIMEFILE	171	open my $fh, "<", $RUNTIMEFILE
152	or die "unable to read $RUNTIMEFILE file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
153	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
154	}	174	}
155		175
		176	eval "sub TICK() { $TICK } 1" or die;
		177
156	mkdir $_	178	mkdir $_
157	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
158		180
159	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
160		182
161	sub cf::map::normalise;	183	sub cf::map::normalise;
162		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
163	#############################################################################	189	#############################################################################
164		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
165	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
166		203
167	=over 4	204	=over 4
168		205
169	=item $cf::UPTIME	206	=item $cf::UPTIME
170		207
171	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
172		224
173	=item $cf::RUNTIME	225	=item $cf::RUNTIME
174		226
175	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
176	every server tick.	228	every server tick.
177		229
178	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
179	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
180	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
181		233
182	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
183	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
184	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
185	database environment.	237	database environment.
186		238
187	=item $cf::NOW
188
189	The time of the last (current) server tick.
190
191	=item $cf::TICK
192
193	The interval between server ticks, in seconds.
194
195	=item $cf::LOADAVG	239	=item $cf::LOADAVG
196		240
197	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
198	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
199	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
207	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
208	from wherever your confdir points to.	252	from wherever your confdir points to.
209		253
210	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
211		255
212	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
213	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
214	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
215		277
216	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
217		279
218	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
219	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
220	that call.	282	that call.
221		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
222	=back	290	=back
223		291
224	=cut	292	=cut
225		293
226	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
227	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
228	my $msg = join "", @_;	301	my $msg = join "", @_;
229		302
230	$msg .= "\n"	303	$msg .= "\n"
231	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
232		305
233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
234		307
235	LOG llevError, $msg;	308	LOG llevWarn, $msg;
236	};	309	};
237	}
238		310
239	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
240	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
241		313
242	if ($Coro::current == $Coro::main) {#d#	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
243	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
244	return;#d#	318	return;#d#
245	}#d#	319	}#d#
246		320
247	# kill coroutine otherwise	321	# kill coroutine otherwise
248	warn Carp::longmess $_[0];
249	Coro::terminate	322	Coro::terminate
250	};	323	};
251
252	$SIG{__DIE__} = sub { }; #d#?
253		324
254	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
255	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
256	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
257	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
271	)) {	342	)) {
272	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
273	}	344	}
274		345
275	$EV::DIED = sub {	346	$EV::DIED = sub {
276	warn "error in event callback: @_";	347	warn "error in event callback: $@";
277	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
278		354
279	#############################################################################	355	#############################################################################
280		356
281	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
282		358
…		…
303	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
304	$d	380	$d
305	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
306	}	382	}
307		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
308	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
309		437
310	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
311		439
312	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
318	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
319		447
320	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
321	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
322		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
323	=item cf::lock_wait $string	513	=item cf::lock_wait $string
324		514
325	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
326		516
327	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
328		518
329	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
330	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
331	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
332	returned.	522	returned.
333		523
334	Locks are *not* recursive, locking from the same coro twice results in a	524	Locks are *not* recursive, locking from the same coro twice results in a
335	deadlocked coro.	525	deadlocked coro.
…		…
341		531
342	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
343		533
344	=cut	534	=cut
345		535
346	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
347	our %LOCKER;#d#
348		537
349	sub lock_wait($) {	538	sub lock_wait($) {
350	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
351
352	if ($LOCKER{$key} == $Coro::current) {#d#
353	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
354	return;#d#
355	}#d#
356
357	# wait for lock, if any
358	while ($LOCK{$key}) {
359	push @{ $LOCK{$key} }, $Coro::current;
360	Coro::schedule;
361	}
362	}	540	}
363		541
364	sub lock_acquire($) {	542	sub lock_acquire($) {
365	my ($key) = @_;	543	$LOCKS->guard ($_[0])
366
367	# wait, to be sure we are not locked
368	lock_wait $key;
369
370	$LOCK{$key} = [];
371	$LOCKER{$key} = $Coro::current;#d#
372
373	Coro::guard {
374	delete $LOCKER{$key};#d#
375	# wake up all waiters, to be on the safe side
376	$_->ready for @{ delete $LOCK{$key} };
377	}
378	}	544	}
379		545
380	sub lock_active($) {	546	sub lock_active($) {
381	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
382
383	! ! $LOCK{$key}
384	}	548	}
385		549
386	sub freeze_mainloop {	550	sub freeze_mainloop {
387	tick_inhibit_inc;	551	tick_inhibit_inc;
388		552
389	Coro::guard \&tick_inhibit_dec;	553	&Guard::guard (\&tick_inhibit_dec);
390	}	554	}
391		555
392	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
393		557
394	Like EV::periodic, but randomly selects a starting point so that the actions	558	Like EV::periodic, but randomly selects a starting point so that the actions
395	get spread over timer.	559	get spread over time.
396		560
397	=cut	561	=cut
398		562
399	sub periodic($$) {	563	sub periodic($$) {
400	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
404	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
405	}	569	}
406		570
407	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
408		572
409	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
410	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
411	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
412		580
413	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
414	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
415		583
416	Useful for short background jobs.	584	Useful for short background jobs.
417		585
418	=cut	586	=cut
419		587
420	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
421	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
422		591
423	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
424	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
425	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
426		595
427	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
428		598
429	while () {	599	while () {
430	next_job:	600	next_job:
		601
431	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
432	if ($avail > 0.01) {	603
433	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
434	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
435	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
436	$job->[2]->send;	608	$job->[2]->send;
437	Coro::cede;	609	Coro::cede;
438	goto next_job;	610	goto next_job;
439	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
440	}	613	}
441	}	614	}
442		615
443	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
444	# we do not use wait_for_tick() as it returns immediately when tick is inactive	617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
445	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
446	$signal->wait;
447	} else {	619	} else {
		620	$busy = 0;
448	Coro::schedule;	621	Coro::schedule;
449	}	622	}
450	}	623	}
451	};	624	};
452		625
453	sub get_slot($;$$) {	626	sub get_slot($;$$) {
454	return if tick_inhibit || $Coro::current == $Coro::main;	627	return if tick_inhibit || $Coro::current == $Coro::main;
455		628
456	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
457		630
458	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
459	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
460		634
461	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
462	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
463	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
489	=cut	663	=cut
490		664
491	sub sync_job(&) {	665	sub sync_job(&) {
492	my ($job) = @_;	666	my ($job) = @_;
493		667
494	if ($Coro::current == $Coro::main) {	668	if (in_main) {
495	my $time = EV::time;	669	my $time = AE::time;
496		670
497	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
498	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
499		673
500	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
501		675
502	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
503		677
504	my $busy = 1;	678	my $busy = 1;
505	my @res;	679	my @res;
506		680
507	(async {	681	(async {
508	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
509	@res = eval { $job->() };	683	@res = eval { $job->() };
510	warn $@ if $@;	684	error $@ if $@;
511	undef $busy;	685	undef $busy;
512	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
513		687
514	while ($busy) {	688	while ($busy) {
515	if (Coro::nready) {	689	if (Coro::nready) {
…		…
517	} else {	691	} else {
518	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_ONESHOT;
519	}	693	}
520	}	694	}
521		695
522	my $time = EV::time - $time;	696	my $time = AE::time - $time;
523		697
524	$TICK_START += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
525		699
526	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
527	} else {	701	} else {
…		…
549	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
550		724
551	$coro	725	$coro
552	}	726	}
553		727
554	=item fork_call { }, $args	728	=item fork_call { }, @args
555		729
556	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
557	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
558	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
559	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
560		734
561	=cut	735	=cut
562		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
563	sub fork_call(&@) {	741	sub fork_call(&@) {
564	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
565		743
566	# we seemingly have to make a local copy of the whole thing,
567	# otherwise perl prematurely frees the stuff :/
568	# TODO: investigate and fix (likely this will be rather laborious)
569
570	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
571	reset_signals;	745	cf::post_fork;
572	&$cb	746	&$cb
573	}, @args;	747	} @args;
574		748
575	wantarray ? @res : $res[-1]	749	wantarray ? @res : $res[-1]
		750	}
		751
		752	sub objinfo {
		753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
576	}	761	}
577		762
578	=item $coin = coin_from_name $name	763	=item $coin = coin_from_name $name
579		764
580	=cut	765	=cut
…		…
617	within each server.	802	within each server.
618		803
619	=cut	804	=cut
620		805
621	sub db_table($) {	806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
622	my ($name) = @_;	810	my ($name) = @_;
623	my $db = BDB::db_create $DB_ENV;	811	my $db = BDB::db_create $DB_ENV;
624		812
625	eval {	813	eval {
626	$db->set_flags (BDB::CHKSUM);	814	$db->set_flags (BDB::CHKSUM);
…		…
636	}	824	}
637		825
638	our $DB;	826	our $DB;
639		827
640	sub db_init {	828	sub db_init {
641	cf::sync_job {
642	$DB ||= db_table "db";	829	$DB ||= db_table "db";
643	};
644	}	830	}
645		831
646	sub db_get($$) {	832	sub db_get($$) {
647	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
648		834
649	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
650	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
651		839
652	$! ? ()	840	$! ? ()
653	: $data	841	: $data
654	}
655	}	842	}
656		843
657	sub db_put($$$) {	844	sub db_put($$$) {
658	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
659	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
687		874
688	my @data;	875	my @data;
689	my $md5;	876	my $md5;
690		877
691	for (0 .. $#$src) {	878	for (0 .. $#$src) {
692	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
693	or Carp::croak "$src->[$_]: $!";
694	}	880	}
695		881
696	# if processing is expensive, check	882	# if processing is expensive, check
697	# checksum first	883	# checksum first
698	if (1) {	884	if (1) {
…		…
711		897
712	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
713	}	899	}
714	}	900	}
715		901
716	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
717	my $data = $process->(\@data);	903	my $data = $process->(\@data);
718	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
719		905
720	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
721		907
722	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
723	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
724	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
725		911
…		…
735		921
736	=cut	922	=cut
737		923
738	sub datalog($@) {	924	sub datalog($@) {
739	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
740	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
741	}	927	}
742		928
743	=back	929	=back
744		930
745	=cut	931	=cut
…		…
940		1126
941	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
942	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
943		1129
944	} elsif (ref $type) {	1130	} elsif (ref $type) {
945	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
946		1132
947	} else {	1133	} else {
948	shift @arg;	1134	shift @arg;
949	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
950	}	1136	}
951	}	1137	}
952	}	1138	}
953		1139
954	sub _object_attach {	1140	sub _object_attach {
…		…
964	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
965	}	1151	}
966		1152
967	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
968	} else {	1154	} else {
969	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
970	}	1156	}
971		1157
972	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
973	}	1159	}
974		1160
…		…
1033		1219
1034	for (@$callbacks) {	1220	for (@$callbacks) {
1035	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
1036		1222
1037	if ($@) {	1223	if ($@) {
1038	warn "$@";
1039	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1040	override;	1225	override;
1041	}	1226	}
1042		1227
1043	return 1 if $override;	1228	return 1 if $override;
1044	}	1229	}
…		…
1123	for (@$attach) {	1308	for (@$attach) {
1124	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
1125	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
1126	}	1311	}
1127	} else {	1312	} else {
1128	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
1129	}	1314	}
1130	}	1315	}
1131	}	1316	}
1132		1317
1133	cf::attachable->attach (	1318	cf::attachable->attach (
…		…
1160	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1161		1346
1162	sync_job {	1347	sync_job {
1163	if (length $$rdata) {	1348	if (length $$rdata) {
1164	utf8::decode (my $decname = $filename);	1349	utf8::decode (my $decname = $filename);
1165	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1166	$decname, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1167		1353
1168	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1169	aio_chmod $fh, SAVE_MODE;	1355	aio_chmod $fh, SAVE_MODE;
1170	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1171	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	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;
		1359	aio_fsync $fh;
		1360	}
1172	aio_close $fh;	1361	aio_close $fh;
1173		1362
1174	if (@$objs) {	1363	if (@$objs) {
1175	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1176	aio_chmod $fh, SAVE_MODE;	1365	aio_chmod $fh, SAVE_MODE;
1177	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1178	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1179	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	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;
		1370	aio_fsync $fh;
		1371	}
1180	aio_close $fh;	1372	aio_close $fh;
1181	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1182	}	1374	}
1183	} else {	1375	} else {
1184	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1185	}	1377	}
1186		1378
1187	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1188	} else {	1383	} else {
1189	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1190	}	1385	}
1191	} else {	1386	} else {
1192	aio_unlink $filename;	1387	aio_unlink $filename;
1193	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1194	}	1389	}
…		…
1218	my $st = eval { Coro::Storable::thaw $av };	1413	my $st = eval { Coro::Storable::thaw $av };
1219	$av = $st->{objs};	1414	$av = $st->{objs};
1220	}	1415	}
1221		1416
1222	utf8::decode (my $decname = $filename);	1417	utf8::decode (my $decname = $filename);
1223	warn sprintf "loading %s (%d,%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1224	$decname, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
1225		1421
1226	($data, $av)	1422	($data, $av)
1227	}	1423	}
1228		1424
1229	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
…		…
1233	=cut	1429	=cut
1234		1430
1235	#############################################################################	1431	#############################################################################
1236	# command handling &c	1432	# command handling &c
1237		1433
1238	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1239		1435
1240	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
1241	$name.	1437	$name.
1242		1438
1243	=cut	1439	=cut
…		…
1249	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1250		1446
1251	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1252	}	1448	}
1253		1449
1254	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1255		1451
1256	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1257	extcmd packet. Ext commands will be processed in the order they are	1453	extcmd packet. Ext commands will be processed in the order they are
1258	received by the server, like other user commands. The first argument is	1454	received by the server, like other user commands. The first argument is
1259	the logged-in player. Ext commands can only be processed after a player	1455	the logged-in player. Ext commands can only be processed after a player
1260	has logged in successfully.	1456	has logged in successfully.
1261		1457
1262	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1263	called.
1264		1459
		1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
1265	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1266		1466
1267	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1268	exticmd packet. Exti commands are processed by the server as soon as they	1468	exticmd packet. Exti commands are processed by the server as soon as they
1269	are received, i.e. out of order w.r.t. other commands. The first argument	1469	are received, i.e. out of order w.r.t. other commands. The first argument
1270	is a client socket. Exti commands can be received anytime, even before	1470	is a client socket. Exti commands can be received anytime, even before
1271	log-in.	1471	log-in.
1272		1472
1273	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1274	called.
1275		1474
1276	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1277		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1278	sub register_extcmd {	1482	sub register_extcmd($$) {
1279	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1280		1484
1281	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1282	}	1486	}
1283		1487
1284	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1285	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1286		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1287	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1288	}	1498	}
1289		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1290	cf::player->attach (	1508	cf::player->attach (
1291	on_command => sub {	1509	on_unknown_command => sub {
1292	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1293		1511
1294	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1295	or return;	1513	or return;
1296		1514
…		…
1304	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1305		1523
1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1307		1525
1308	if (ref $msg) {	1526	if (ref $msg) {
1309	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1310	"ARRAY" eq ref $msg
1311	? @$msg
1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1313		1528
1314	my @reply;
1315
1316	if (my $cb = $EXTCMD{$type}) {	1529	if (my $cb = $EXTACMD{$type}) {
		1530	$cb->(
		1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
1317	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1318	}	1547	}
1319		1548
1320	$pl->ext_reply ($reply, @reply)
1321	if $reply;
1322
1323	} else {	1549	} else {
1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1325	}	1551	}
1326		1552
1327	cf::override;	1553	cf::override;
1328	},	1554	},
1329	);	1555	);
1330		1556
		1557	# "readahead" all extensions
		1558	sub cache_extensions {
		1559	my $grp = IO::AIO::aio_group;
		1560
		1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1562	for (grep /\.ext$/, @{$_[0]}) {
		1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1564	}
		1565	};
		1566
		1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1579	}
		1580
1331	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1332	cf::sync_job {	1586	cf::sync_job {
1333	my %todo;	1587	my %todo;
1334		1588
1335	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1336	next unless -r $path;	1590	next unless -r $path;
…		…
1354		1608
1355	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1356	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1357		1611
1358	$ext{source} =	1612	$ext{source} =
1359	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1360	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1361	. $source	1615	. $source
1362	. "\n};\n1";	1616	. "\n};\n1";
1363		1617
1364	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1365	}	1619	}
1366		1620
		1621	my $pass = 0;
1367	my %done;	1622	my %done;
1368	while (%todo) {	1623	while (%todo) {
1369	my $progress;	1624	my $progress;
1370		1625
		1626	++$pass;
		1627
		1628	ext:
1371	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1372	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1373	goto skip	1631	next ext
1374	unless exists $done{$_};	1632	unless exists $done{$_};
1375	}	1633	}
1376		1634
1377	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1378		1636
1379	unless (eval $v->{source}) {	1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
1380	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1381	: "$v->{base}: extension inactive.\n";
1382		1650
1383	if (exists $v->{meta}{mandatory}) {
1384	warn $msg;
1385	cf::cleanup "mandatory extension failed to load, exiting.";	1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1386	}	1652	if exists $v->{meta}{mandatory};
1387		1653
1388	warn $msg;	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1655	delete $todo{$k};
		1656	} else {
		1657	$done{$k} = delete $todo{$k};
		1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1389	}	1663	}
1390
1391	$done{$k} = delete $todo{$k};
1392	push @EXTS, $v->{pkg};
1393	$progress = 1;
1394	}	1664	}
1395		1665
1396	skip:	1666	unless ($progress) {
1397	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1398	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1399	}	1676	}
1400	};	1677	};
1401	}	1678	}
1402		1679
1403	#############################################################################	1680	#############################################################################
…		…
1457		1734
1458	sub exists($) {	1735	sub exists($) {
1459	my ($login) = @_;	1736	my ($login) = @_;
1460		1737
1461	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1462	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1463	}	1740	}
1464		1741
1465	sub find($) {	1742	sub find($) {
1466	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1467	my $login = $_[0];	1744	my $login = $_[0];
…		…
1487	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1488	}	1765	}
1489	}	1766	}
1490	}	1767	}
1491		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
		1781
1492	sub save($) {	1782	sub save($) {
1493	my ($pl) = @_;	1783	my ($pl) = @_;
1494		1784
1495	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
1496		1786
…		…
1501		1791
1502	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1503	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1504		1794
1505	cf::get_slot 0.01;	1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1506		1799
1507	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1508	cf::cede_to_tick;	1801	cf::cede_to_tick;
1509	}	1802	}
1510		1803
…		…
1544	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1545		1838
1546	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1547	$pl->password ("*"); # this should lock out the player until we have nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1548		1841
1549	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1550	$pl->deactivate;	1843	$pl->deactivate;
		1844
1551	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1552	$pl->ob->check_score;
1553	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1554	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1555		1850
1556	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1557	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1558	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1612	\@logins	1907	\@logins
1613	}	1908	}
1614		1909
1615	=item $player->maps	1910	=item $player->maps
1616		1911
		1912	=item cf::player::maps $login
		1913
1617	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1618	player. May block.	1915	player. May block.
1619		1916
1620	=cut	1917	=cut
1621		1918
…		…
1642		1939
1643	=item $protocol_xml = $player->expand_cfpod ($cfpod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1644		1941
1645	Expand deliantra pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1646		1943
1647	=item $player->ext_reply ($msgid, @msg)
1648
1649	Sends an ext reply to the player.
1650
1651	=cut
1652
1653	sub ext_reply($$@) {
1654	my ($self, $id, @msg) = @_;
1655
1656	$self->ns->ext_reply ($id, @msg)
1657	}
1658
1659	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1660		1945
1661	Sends an ext event to the client.	1946	Sends an ext event to the client.
1662		1947
1663	=cut	1948	=cut
…		…
1682		1967
1683	=cut	1968	=cut
1684		1969
1685	sub find_by_path($) {	1970	sub find_by_path($) {
1686	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1687		1974
1688	my ($match, $specificity);	1975	my ($match, $specificity);
1689		1976
1690	for my $region (list) {	1977	for my $region (list) {
1691	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1720	sub generate_random_map {	2007	sub generate_random_map {
1721	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1722		2009
1723	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1724		2011
1725	# mit "rum" bekleckern, nicht
1726	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1727	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1728	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1729	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1730	$rmp->{exit_on_final_map},
1731	$rmp->{xsize}, $rmp->{ysize},
1732	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1733	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1734	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1735	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1736	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1737	(cf::region::find $rmp->{region}), $rmp->{custom}
1738	)
1739	}	2013	}
1740		2014
1741	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1742		2016
1743	Register a handler for the map path matching the given regex at the	2017	Register a handler for the map path matching the given regex at the
…		…
1748		2022
1749	sub register {	2023	sub register {
1750	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1751	my $pkg = caller;	2025	my $pkg = caller;
1752		2026
1753	no strict;
1754	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1755		2028
1756	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1757	}	2030	}
1758		2031
1759	# also paths starting with '/'	2032	# also paths starting with '/'
1760	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1761		2034
1762	sub thawer_merge {	2035	sub thawer_merge {
1763	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1764		2037
1765	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1770	}	2043	}
1771		2044
1772	sub normalise {	2045	sub normalise {
1773	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1774		2047
1775	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1776		2049
1777	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1778		2051
1779	# map plan:	2052	# map plan:
1780	#	2053	#
…		…
1795	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1796	$path = "$base/$path";	2069	$path = "$base/$path";
1797	}	2070	}
1798		2071
1799	for ($path) {	2072	for ($path) {
1800	redo if s{//}{/};
1801	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1802	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1803	}	2075	}
1804		2076
1805	$path	2077	$path
…		…
1819	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1820	return $self;	2092	return $self;
1821	}	2093	}
1822	}	2094	}
1823		2095
1824	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1825	()	2097	()
1826	}	2098	}
1827		2099
		2100	# may re-bless or do other evil things
1828	sub init {	2101	sub init {
1829	my ($self) = @_;	2102	my ($self) = @_;
1830		2103
1831	$self	2104	$self
1832	}	2105	}
…		…
1863		2136
1864	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1865	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1866	}	2139	}
1867		2140
1868	# and all this just because we cannot iterate over
1869	# all maps in C++...
1870	sub change_all_map_light {
1871	my ($change) = @_;
1872
1873	$_->change_map_light ($change)
1874	for grep $_->outdoor, values %cf::MAP;
1875	}
1876
1877	sub decay_objects {	2141	sub decay_objects {
1878	my ($self) = @_;	2142	my ($self) = @_;
1879		2143
1880	return if $self->{deny_reset};	2144	return if $self->{deny_reset};
1881		2145
…		…
1906	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1907		2171
1908	1	2172	1
1909	}	2173	}
1910		2174
		2175	# used to laod the header of an original map
1911	sub load_header_orig {	2176	sub load_header_orig {
1912	my ($self) = @_;	2177	my ($self) = @_;
1913		2178
1914	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1915	}	2180	}
1916		2181
		2182	# used to laod the header of an instantiated map
1917	sub load_header_temp {	2183	sub load_header_temp {
1918	my ($self) = @_;	2184	my ($self) = @_;
1919		2185
1920	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1921	}	2187	}
1922		2188
		2189	# called after loading the header from an instantiated map
1923	sub prepare_temp {	2190	sub prepare_temp {
1924	my ($self) = @_;	2191	my ($self) = @_;
1925		2192
1926	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1927	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1928	# safety	2195	# safety
1929	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1930	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1931	}	2198	}
1932		2199
		2200	# called after loading the header from an original map
1933	sub prepare_orig {	2201	sub prepare_orig {
1934	my ($self) = @_;	2202	my ($self) = @_;
1935		2203
1936	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1937	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1961		2229
1962	sub find;	2230	sub find;
1963	sub find {	2231	sub find {
1964	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1965		2233
		2234	cf::cede_to_tick;
		2235
1966	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1967		2237
1968	cf::lock_wait "map_data:$path";#d#remove	2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1969	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1970		2240
1971	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1972	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1973	my $guard2 = cf::lock_acquire "map_find:$path";
1974
1975	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1976	or return;	2243	or return;
1977		2244
1978	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1979		2246
…		…
1991		2258
1992	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1993	}	2260	}
1994	}	2261	}
1995		2262
1996	sub pre_load { }	2263	sub pre_load { }
1997	sub post_load { }	2264	#sub post_load { } # XS
1998		2265
1999	sub load {	2266	sub load {
2000	my ($self) = @_;	2267	my ($self) = @_;
2001		2268
2002	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2005		2272
2006	{	2273	{
2007	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
2008		2275
2009	return unless $self->valid;	2276	return unless $self->valid;
2010	return unless $self->in_memory == cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
2011
2012	$self->in_memory (cf::MAP_LOADING);
2013		2278
2014	$self->alloc;	2279	$self->alloc;
2015		2280
2016	$self->pre_load;	2281	$self->pre_load;
2017	cf::cede_to_tick;	2282	cf::cede_to_tick;
2018		2283
		2284	if (exists $self->{load_path}) {
2019	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
2020	$f->skip_block;	2286	$f->skip_block;
2021	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
2022	or return;	2288	or return;
2023		2289
2024	$self->post_load_original	2290	$self->post_load_original
2025	if delete $self->{load_original};	2291	if delete $self->{load_original};
2026		2292
2027	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
2028	utf8::encode $uniq;	2294	utf8::encode $uniq;
2029	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
2030	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
2031	$self->clear_unique_items;	2297	$self->clear_unique_items;
2032	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
2033	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
2034	}	2301	}
2035	}	2302	}
2036	}
2037		2303
2038	$f->resolve_delayed_derefs;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
		2309
		2310	$self->state (cf::MAP_INACTIVE);
2039		2311
2040	cf::cede_to_tick;	2312	cf::cede_to_tick;
2041	# now do the right thing for maps	2313	# now do the right thing for maps
2042	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
2043	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
2047	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
2048	$self->decay_objects;	2320	$self->decay_objects;
2049	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
2050	$self->update_buttons;	2322	$self->update_buttons;
2051	cf::cede_to_tick;	2323	cf::cede_to_tick;
2052	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
2053	cf::cede_to_tick;
2054	$self->activate;
2055	}	2325	}
2056		2326
2057	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
2058	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
2059
2060	$self->in_memory (cf::MAP_ACTIVE);
2061	}	2329	}
2062		2330
2063	$self->post_load;	2331	$self->post_load;
2064	}
2065		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
2066	sub customise_for {	2339	sub customise_for {
2067	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
2068		2341
2069	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
2070	if $self->per_player;	2343	if $self->per_player;
…		…
2073	# if $self->per_party;	2346	# if $self->per_party;
2074		2347
2075	$self	2348	$self
2076	}	2349	}
2077		2350
2078	# find and load all maps in the 3x3 area around a map
2079	sub load_neighbours {
2080	my ($map) = @_;
2081
2082	my @neigh; # diagonal neighbours
2083
2084	for (0 .. 3) {
2085	my $neigh = $map->tile_path ($_)
2086	or next;
2087	$neigh = find $neigh, $map
2088	or next;
2089	$neigh->load;
2090
2091	push @neigh,
2092	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2093	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2094	}
2095
2096	for (grep defined $_->[0], @neigh) {
2097	my ($path, $origin) = @$_;
2098	my $neigh = find $path, $origin
2099	or next;
2100	$neigh->load;
2101	}
2102	}
2103
2104	sub find_sync {	2351	sub find_sync {
2105	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
2106		2353
2107	cf::sync_job { find $path, $origin }	2354	# it's a bug to call this from the main context
		2355	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2356	if $Coro::current == $Coro::main;
		2357
		2358	find $path, $origin
2108	}	2359	}
2109		2360
2110	sub do_load_sync {	2361	sub do_load_sync {
2111	my ($map) = @_;	2362	my ($map) = @_;
2112		2363
		2364	# it's a bug to call this from the main context
2113	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2114	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
2115		2367
2116	cf::sync_job { $map->load };	2368	$map->load;
2117	}	2369	}
2118		2370
2119	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
2120	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
2121		2373
2122	sub find_async {	2374	sub find_async {
2123	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
2124		2376
2125	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2126		2378
2127	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2128	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2380	return $map if !$load || $map->linkable;
2129	}	2381	}
2130		2382
2131	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2132		2384
2133	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
…		…
2147	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2148		2400
2149	()	2401	()
2150	}	2402	}
2151		2403
		2404	# common code, used by both ->save and ->swapout
2152	sub save {	2405	sub _save {
2153	my ($self) = @_;	2406	my ($self) = @_;
2154
2155	my $lock = cf::lock_acquire "map_data:$self->{path}";
2156		2407
2157	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2158		2409
2159	return unless $self->dirty;	2410	return unless $self->dirty;
2160		2411
…		…
2180	} else {	2431	} else {
2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2182	}	2433	}
2183	}	2434	}
2184		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2185	sub swap_out {	2444	sub swap_out {
2186	my ($self) = @_;	2445	my ($self) = @_;
2187		2446
2188	# save first because save cedes
2189	$self->save;
2190
2191	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2192		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2193	return if $self->players;	2451	return if $self->players;
2194	return if $self->in_memory != cf::MAP_ACTIVE;	2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
		2462	$self->clear;
		2463	}
		2464
		2465	sub reset_at {
		2466	my ($self) = @_;
		2467
		2468	# TODO: safety, remove and allow resettable per-player maps
2195	return if $self->{deny_save};	2469	return 1e99 if $self->{deny_reset};
2196		2470
		2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2472	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2473
		2474	$time + $to
		2475	}
		2476
		2477	sub should_reset {
		2478	my ($self) = @_;
		2479
		2480	$self->reset_at <= $cf::RUNTIME
		2481	}
		2482
		2483	sub reset {
		2484	my ($self) = @_;
		2485
		2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2487
		2488	return if $self->players;
		2489
		2490	cf::trace "resetting map ", $self->path, "\n";
		2491
2197	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
		2493
		2494	# need to save uniques path
		2495	unless ($self->{deny_save}) {
		2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2497
		2498	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2499	if $uniq;
		2500	}
		2501
		2502	delete $cf::MAP{$self->path};
2198		2503
2199	$self->deactivate;	2504	$self->deactivate;
2200	$_->clear_links_to ($self) for values %cf::MAP;	2505	$_->clear_links_to ($self) for values %cf::MAP;
2201	$self->clear;	2506	$self->clear;
2202	}
2203
2204	sub reset_at {
2205	my ($self) = @_;
2206
2207	# TODO: safety, remove and allow resettable per-player maps
2208	return 1e99 if $self->{deny_reset};
2209
2210	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2211	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2212
2213	$time + $to
2214	}
2215
2216	sub should_reset {
2217	my ($self) = @_;
2218
2219	$self->reset_at <= $cf::RUNTIME
2220	}
2221
2222	sub reset {
2223	my ($self) = @_;
2224
2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
2226
2227	return if $self->players;
2228
2229	warn "resetting map ", $self->path;
2230
2231	$self->in_memory (cf::MAP_SWAPPED);
2232
2233	# need to save uniques path
2234	unless ($self->{deny_save}) {
2235	my $uniq = $self->uniq_path; utf8::encode $uniq;
2236
2237	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2238	if $uniq;
2239	}
2240
2241	delete $cf::MAP{$self->path};
2242
2243	$self->deactivate;
2244	$_->clear_links_to ($self) for values %cf::MAP;
2245	$self->clear;
2246		2507
2247	$self->unlink_save;	2508	$self->unlink_save;
2248	$self->destroy;	2509	$self->destroy;
2249	}	2510	}
2250		2511
…		…
2258		2519
2259	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2260		2521
2261	$self->unlink_save;	2522	$self->unlink_save;
2262		2523
2263	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2264	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2265	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2266	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2267	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2268		2529
…		…
2325	: normalise $_	2586	: normalise $_
2326	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2327	]	2588	]
2328	}	2589	}
2329		2590
		2591	=item cf::map::static_maps
		2592
		2593	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2594	file in the shared directory excluding F</styles> and F</editor>). May
		2595	block.
		2596
		2597	=cut
		2598
		2599	sub static_maps() {
		2600	my @dirs = "";
		2601	my @maps;
		2602
		2603	while (@dirs) {
		2604	my $dir = shift @dirs;
		2605
		2606	next if $dir eq "/styles" || $dir eq "/editor";
		2607
		2608	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2609	or return;
		2610
		2611	for (@$files) {
		2612	s/\.map$// or next;
		2613	utf8::decode $_;
		2614	push @maps, "$dir/$_";
		2615	}
		2616
		2617	push @dirs, map "$dir/$_", @$dirs;
		2618	}
		2619
		2620	\@maps
		2621	}
		2622
2330	=back	2623	=back
2331		2624
2332	=head3 cf::object	2625	=head3 cf::object
2333		2626
2334	=cut	2627	=cut
…		…
2357		2650
2358	Creates and returns a persistent reference to an object that can be stored as a string.	2651	Creates and returns a persistent reference to an object that can be stored as a string.
2359		2652
2360	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2361		2654
2362	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
2363	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2364		2657
2365	=cut	2658	=cut
2366		2659
2367	sub deref {	2660	sub deref {
…		…
2399		2692
2400	our $SAY_CHANNEL = {	2693	our $SAY_CHANNEL = {
2401	id => "say",	2694	id => "say",
2402	title => "Map",	2695	title => "Map",
2403	reply => "say ",	2696	reply => "say ",
2404	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2405	};	2698	};
2406		2699
2407	our $CHAT_CHANNEL = {	2700	our $CHAT_CHANNEL = {
2408	id => "chat",	2701	id => "chat",
2409	title => "Chat",	2702	title => "Chat",
…		…
2466		2759
2467	Freezes the player and moves him/her to a special map (C<{link}>).	2760	Freezes the player and moves him/her to a special map (C<{link}>).
2468		2761
2469	The player should be reasonably safe there for short amounts of time (e.g.	2762	The player should be reasonably safe there for short amounts of time (e.g.
2470	for loading a map). You I<MUST> call C<leave_link> as soon as possible,	2763	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2471	though, as the palyer cannot control the character while it is on the link	2764	though, as the player cannot control the character while it is on the link
2472	map.	2765	map.
2473		2766
2474	Will never block.	2767	Will never block.
2475		2768
2476	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
…		…
2497	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2498	my ($self) = @_;	2791	my ($self) = @_;
2499		2792
2500	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2501		2794
		2795	++$self->{_link_recursion};
		2796
2502	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2503		2798
2504	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2505	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2506		2801
2507	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2508	}	2803	}
2509		2804
2510	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2511	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2512		2807
…		…
2529	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2530	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2531		2826
2532	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2533	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2534	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2535		2830
2536	$map->load;	2831	$map->load;
2537	$map->load_neighbours;
2538		2832
2539	return unless $self->contr->active;	2833	return unless $self->contr->active;
2540	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2541	$self->activate_recursive;
2542		2834
2543	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2544	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2545	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2546		2842
		2843	}
		2844
2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2548		2846
2549	Moves the player to the given map-path and coordinates by first freezing	2847	Moves the player to the given map-path and coordinates by first freezing
2550	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2551	that has to return the map if sucecssful, and then unfreezes the player on	2849	that has to return the map if sucecssful, and then unfreezes the player on
2552	the new (success) or old (failed) map position. In either case, $done will	2850	the new (success) or old (failed) map position. In either case, $done will
…		…
2559		2857
2560	our $GOTOGEN;	2858	our $GOTOGEN;
2561		2859
2562	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2563	my ($self, $path, $x, $y, $check, $done) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
2564		2868
2565	# do generation counting so two concurrent goto's will be executed in-order	2869	# do generation counting so two concurrent goto's will be executed in-order
2566	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2567		2871
2568	$self->enter_link;	2872	$self->enter_link;
…		…
2588	($path, $x, $y) = (undef, undef, undef);	2892	($path, $x, $y) = (undef, undef, undef);
2589	}	2893	}
2590	}	2894	}
2591		2895
2592	my $map = eval {	2896	my $map = eval {
2593	my $map = defined $path ? cf::map::find $path : undef;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2594		2898
2595	if ($map) {	2899	if ($map) {
2596	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2597	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2598	} else {	2902	} else {
2599	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2600	}	2904	}
2601		2905
2602	$map	2906	$map
…		…
2610	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2611	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2612	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2613	}	2917	}
2614		2918
2615	$done->() if $done;	2919	$done->($self) if $done;
2616	})->prio (1);	2920	})->prio (1);
2617	}	2921	}
2618		2922
2619	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2620		2924
…		…
2688	$Coro::current->{desc} = "enter_exit";	2992	$Coro::current->{desc} = "enter_exit";
2689		2993
2690	unless (eval {	2994	unless (eval {
2691	$self->deactivate_recursive; # just to be sure	2995	$self->deactivate_recursive; # just to be sure
2692		2996
2693	# random map handling
2694	{
2695	my $guard = cf::lock_acquire "exit_prepare:$exit";
2696
2697	prepare_random_map $exit
2698	if $exit->slaying eq "/!";
2699	}
2700
2701	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
2702	my $x = $exit->stats->hp;	2998	my $x = $exit->stats->hp;
2703	my $y = $exit->stats->sp;	2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
2704		3023
2705	$self->goto ($map, $x, $y);	3024	$self->goto ($map, $x, $y);
2706		3025
2707	# if exit is damned, update players death & WoR home-position	3026	# if exit is damned, update players death & WoR home-position
2708	$self->contr->savebed ($map, $x, $y)	3027	$self->contr->savebed ($map, $x, $y)
…		…
2713	$self->message ("Something went wrong deep within the deliantra server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2714	. "I'll try to bring you back to the map you were before. "	3033	. "I'll try to bring you back to the map you were before. "
2715	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2716	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2717		3036
2718	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2719	$self->leave_link;	3038	$self->leave_link;
2720	}	3039	}
2721	})->prio (1);	3040	})->prio (1);
2722	}	3041	}
2723		3042
2724	=head3 cf::client	3043	=head3 cf::client
2725		3044
2726	=over 4	3045	=over 4
2727		3046
2728	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2729		3048
2730	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2731	should not be used under normal circumstances.	3050	them as required.
2732		3051
2733	=cut	3052	=cut
2734		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
2735	sub cf::client::send_drawinfo {	3056	sub cf::client::send_big_packet {
2736	my ($self, $text, $flags) = @_;	3057	my ($self, $pkt) = @_;
2737		3058
2738	utf8::encode $text;	3059	# try lzf for large packets
2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3060	$pkt = "lzf " . Compress::LZF::compress $pkt
		3061	if 1024 <= length $pkt and $self->{can_lzf};
		3062
		3063	# split very large packets
		3064	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3065	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3066	$pkt = "frag";
		3067	}
		3068
		3069	$self->send_packet ($pkt);
2740	}	3070	}
2741		3071
2742	=item $client->send_msg ($channel, $msg, $color, [extra...])	3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
2743		3073
2744	Send a drawinfo or msg packet to the client, formatting the msg for the	3074	Send a msg packet to the client, formatting the msg for the client if
2745	client if neccessary. C<$type> should be a string identifying the type of	3075	necessary. C<$type> should be a string identifying the type of the
2746	the message, with C<log> being the default. If C<$color> is negative, suppress	3076	message, with C<log> being the default. If C<$color> is negative, suppress
2747	the message unless the client supports the msg packet.	3077	the message unless the client supports the msg packet.
2748		3078
2749	=cut	3079	=cut
2750		3080
2751	# non-persistent channels (usually the info channel)	3081	# non-persistent channels (usually the info channel)
2752	our %CHANNEL = (	3082	our %CHANNEL = (
		3083	"c/motd" => {
		3084	id => "infobox",
		3085	title => "MOTD",
		3086	reply => undef,
		3087	tooltip => "The message of the day",
		3088	},
2753	"c/identify" => {	3089	"c/identify" => {
2754	id => "infobox",	3090	id => "infobox",
2755	title => "Identify",	3091	title => "Identify",
2756	reply => undef,	3092	reply => undef,
2757	tooltip => "Items recently identified",	3093	tooltip => "Items recently identified",
…		…
2759	"c/examine" => {	3095	"c/examine" => {
2760	id => "infobox",	3096	id => "infobox",
2761	title => "Examine",	3097	title => "Examine",
2762	reply => undef,	3098	reply => undef,
2763	tooltip => "Signs and other items you examined",	3099	tooltip => "Signs and other items you examined",
		3100	},
		3101	"c/shopinfo" => {
		3102	id => "infobox",
		3103	title => "Shop Info",
		3104	reply => undef,
		3105	tooltip => "What your bargaining skill tells you about the shop",
2764	},	3106	},
2765	"c/book" => {	3107	"c/book" => {
2766	id => "infobox",	3108	id => "infobox",
2767	title => "Book",	3109	title => "Book",
2768	reply => undef,	3110	reply => undef,
…		…
2784	id => "infobox",	3126	id => "infobox",
2785	title => "Body Parts",	3127	title => "Body Parts",
2786	reply => undef,	3128	reply => undef,
2787	tooltip => "Shows which body parts you posess and are available",	3129	tooltip => "Shows which body parts you posess and are available",
2788	},	3130	},
		3131	"c/statistics" => {
		3132	id => "infobox",
		3133	title => "Statistics",
		3134	reply => undef,
		3135	tooltip => "Shows your primary statistics",
		3136	},
		3137	"c/skills" => {
		3138	id => "infobox",
		3139	title => "Skills",
		3140	reply => undef,
		3141	tooltip => "Shows your experience per skill and item power",
		3142	},
		3143	"c/shopitems" => {
		3144	id => "infobox",
		3145	title => "Shop Items",
		3146	reply => undef,
		3147	tooltip => "Shows the items currently for sale in this shop",
		3148	},
		3149	"c/resistances" => {
		3150	id => "infobox",
		3151	title => "Resistances",
		3152	reply => undef,
		3153	tooltip => "Shows your resistances",
		3154	},
		3155	"c/pets" => {
		3156	id => "infobox",
		3157	title => "Pets",
		3158	reply => undef,
		3159	tooltip => "Shows information abotu your pets/a specific pet",
		3160	},
		3161	"c/perceiveself" => {
		3162	id => "infobox",
		3163	title => "Perceive Self",
		3164	reply => undef,
		3165	tooltip => "You gained detailed knowledge about yourself",
		3166	},
2789	"c/uptime" => {	3167	"c/uptime" => {
2790	id => "infobox",	3168	id => "infobox",
2791	title => "Uptime",	3169	title => "Uptime",
2792	reply => undef,	3170	reply => undef,
2793	tooltip => "How long the server has been running since last restart",	3171	tooltip => "How long the server has been running since last restart",
…		…
2802	id => "party",	3180	id => "party",
2803	title => "Party",	3181	title => "Party",
2804	reply => "gsay ",	3182	reply => "gsay ",
2805	tooltip => "Messages and chat related to your party",	3183	tooltip => "Messages and chat related to your party",
2806	},	3184	},
		3185	"c/death" => {
		3186	id => "death",
		3187	title => "Death",
		3188	reply => undef,
		3189	tooltip => "Reason for and more info about your most recent death",
		3190	},
		3191	"c/fatal" => {
		3192	id => "fatal",
		3193	title => "Fatal Error",
		3194	reply => undef,
		3195	tooltip => "Reason for the server disconnect",
		3196	},
		3197	"c/say" => $SAY_CHANNEL,
		3198	"c/chat" => $CHAT_CHANNEL,
2807	);	3199	);
2808		3200
2809	sub cf::client::send_msg {	3201	sub cf::client::send_msg {
2810	my ($self, $channel, $msg, $color, @extra) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2811		3203
…		…
2816		3208
2817	# check predefined channels, for the benefit of C	3209	# check predefined channels, for the benefit of C
2818	if ($CHANNEL{$channel}) {	3210	if ($CHANNEL{$channel}) {
2819	$channel = $CHANNEL{$channel};	3211	$channel = $CHANNEL{$channel};
2820		3212
2821	$self->ext_msg (channel_info => $channel)	3213	$self->ext_msg (channel_info => $channel);
2822	if $self->can_msg;
2823
2824	$channel = $channel->{id};	3214	$channel = $channel->{id};
2825		3215
2826	} elsif (ref $channel) {	3216	} elsif (ref $channel) {
2827	# send meta info to client, if not yet sent	3217	# send meta info to client, if not yet sent
2828	unless (exists $self->{channel}{$channel->{id}}) {	3218	unless (exists $self->{channel}{$channel->{id}}) {
2829	$self->{channel}{$channel->{id}} = $channel;	3219	$self->{channel}{$channel->{id}} = $channel;
2830	$self->ext_msg (channel_info => $channel)	3220	$self->ext_msg (channel_info => $channel);
2831	if $self->can_msg;
2832	}	3221	}
2833		3222
2834	$channel = $channel->{id};	3223	$channel = $channel->{id};
2835	}	3224	}
2836		3225
2837	return unless @extra || length $msg;	3226	return unless @extra || length $msg;
2838		3227
2839	if ($self->can_msg) {
2840	# default colour, mask it out	3228	# default colour, mask it out
2841	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2842	if $color & cf::NDI_DEF;	3230	if $color & cf::NDI_DEF;
2843		3231
2844	my $pkt = "msg "	3232	my $pkt = "msg "
2845	. $self->{json_coder}->encode (	3233	. $self->{json_coder}->encode (
2846	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2847	);	3235	);
2848		3236
2849	# try lzf for large packets
2850	$pkt = "lzf " . Compress::LZF::compress $pkt
2851	if 1024 <= length $pkt and $self->{can_lzf};
2852
2853	# split very large packets
2854	if (8192 < length $pkt and $self->{can_lzf}) {
2855	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2856	$pkt = "frag";
2857	}
2858
2859	$self->send_packet ($pkt);	3237	$self->send_big_packet ($pkt);
2860	} else {
2861	if ($color >= 0) {
2862	# replace some tags by gcfclient-compatible ones
2863	for ($msg) {
2864	1 while
2865	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2866	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2867	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2868	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2869	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2870	}
2871
2872	$color &= cf::NDI_COLOR_MASK;
2873
2874	utf8::encode $msg;
2875
2876	if (0 && $msg =~ /\[/) {
2877	# COMMAND/INFO
2878	$self->send_packet ("drawextinfo $color 10 8 $msg")
2879	} else {
2880	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2881	$self->send_packet ("drawinfo $color $msg")
2882	}
2883	}
2884	}
2885	}	3238	}
2886		3239
2887	=item $client->ext_msg ($type, @msg)	3240	=item $client->ext_msg ($type, @msg)
2888		3241
2889	Sends an ext event to the client.	3242	Sends an ext event to the client.
…		…
2891	=cut	3244	=cut
2892		3245
2893	sub cf::client::ext_msg($$@) {	3246	sub cf::client::ext_msg($$@) {
2894	my ($self, $type, @msg) = @_;	3247	my ($self, $type, @msg) = @_;
2895		3248
2896	if ($self->extcmd == 2) {
2897	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2898	} elsif ($self->extcmd == 1) { # TODO: remove
2899	push @msg, msgtype => "event_$type";
2900	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2901	}
2902	}
2903
2904	=item $client->ext_reply ($msgid, @msg)
2905
2906	Sends an ext reply to the client.
2907
2908	=cut
2909
2910	sub cf::client::ext_reply($$@) {
2911	my ($self, $id, @msg) = @_;
2912
2913	if ($self->extcmd == 2) {
2914	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2915	} elsif ($self->extcmd == 1) {
2916	#TODO: version 1, remove
2917	unshift @msg, msgtype => "reply", msgid => $id;
2918	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2919	}
2920	}	3250	}
2921		3251
2922	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2923		3253
2924	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
…		…
2944		3274
2945	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2946	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
2947		3277
2948	1	3278	1
		3279	}
		3280
		3281	=item $client->update_command_faces
		3282
		3283	=cut
		3284
		3285	our %COMMAND_FACE;
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = grep $_,
		3291	$COMMAND_FACE{standard},
		3292	$COMMAND_FACE{emote},
		3293	$COMMAND_FACE{skill},
		3294	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3295	;
		3296
		3297	$self->send_face ($_)
		3298	for @faces;
		3299	$self->flush_fx;
		3300
		3301	$self->ext_msg (command_list => @faces);
		3302	}
		3303
		3304	=item cf::client::set_command_face $type, $commands
		3305
		3306	=cut
		3307
		3308	sub cf::client::set_command_face {
		3309	my ($type, $list) = @_;
		3310
		3311	my $idx = &cf::face::set ( #d# ugly forward reference
		3312	"command_list/$type" => cf::FT_RSRC,
		3313	JSON::XS->new->utf8->encode ([ sort @$list ])
		3314	);
		3315
		3316	$COMMAND_FACE{$type} = $idx;
2949	}	3317	}
2950		3318
2951	cf::client->attach (	3319	cf::client->attach (
2952	on_connect => sub {	3320	on_connect => sub {
2953	my ($ns) = @_;	3321	my ($ns) = @_;
…		…
2979	my ($ns, $buf) = @_;	3347	my ($ns, $buf) = @_;
2980		3348
2981	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3349	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2982		3350
2983	if (ref $msg) {	3351	if (ref $msg) {
2984	my ($type, $reply, @payload) =	3352	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2985	"ARRAY" eq ref $msg
2986	? @$msg
2987	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2988		3353
2989	my @reply;
2990
2991	if (my $cb = $EXTICMD{$type}) {	3354	if (my $cb = $EXTIACMD{$type}) {
		3355	$cb->(
		3356	$ns,
		3357	sub {
		3358	$ns->ext_msg ("reply-$reply", @_)
		3359	if $reply;
		3360	},
		3361	@payload
		3362	);
		3363	} else {
		3364	my @reply;
		3365
		3366	if (my $cb = $EXTICMD{$type}) {
2992	@reply = $cb->($ns, @payload);	3367	@reply = $cb->($ns, @payload);
		3368	}
		3369
		3370	$ns->ext_msg ("reply-$reply", @reply)
		3371	if $reply;
2993	}	3372	}
2994
2995	$ns->ext_reply ($reply, @reply)
2996	if $reply;
2997
2998	} else {	3373	} else {
2999	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3374	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3000	}	3375	}
3001		3376
3002	cf::override;	3377	cf::override;
3003	},	3378	},
3004	);	3379	);
…		…
3024		3399
3025	$coro	3400	$coro
3026	}	3401	}
3027		3402
3028	cf::client->attach (	3403	cf::client->attach (
3029	on_destroy => sub {	3404	on_client_destroy => sub {
3030	my ($ns) = @_;	3405	my ($ns) = @_;
3031		3406
3032	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3407	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3033	},	3408	},
3034	);	3409	);
…		…
3050	our $safe_hole = new Safe::Hole;	3425	our $safe_hole = new Safe::Hole;
3051		3426
3052	$SIG{FPE} = 'IGNORE';	3427	$SIG{FPE} = 'IGNORE';
3053		3428
3054	$safe->permit_only (Opcode::opset qw(	3429	$safe->permit_only (Opcode::opset qw(
3055	:base_core :base_mem :base_orig :base_math	3430	:base_core :base_mem :base_orig :base_math :base_loop
3056	grepstart grepwhile mapstart mapwhile	3431	grepstart grepwhile mapstart mapwhile
3057	sort time	3432	sort time
3058	));	3433	));
3059		3434
3060	# here we export the classes and methods available to script code	3435	# here we export the classes and methods available to script code
…		…
3064	The following functions and methods are available within a safe environment:	3439	The following functions and methods are available within a safe environment:
3065		3440
3066	cf::object	3441	cf::object
3067	contr pay_amount pay_player map x y force_find force_add destroy	3442	contr pay_amount pay_player map x y force_find force_add destroy
3068	insert remove name archname title slaying race decrease split	3443	insert remove name archname title slaying race decrease split
		3444	value
3069		3445
3070	cf::object::player	3446	cf::object::player
3071	player	3447	player
3072		3448
3073	cf::player	3449	cf::player
…		…
3079	=cut	3455	=cut
3080		3456
3081	for (	3457	for (
3082	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3458	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3083	insert remove inv nrof name archname title slaying race	3459	insert remove inv nrof name archname title slaying race
3084	decrease split destroy change_exp)],	3460	decrease split destroy change_exp value msg lore send_msg)],
3085	["cf::object::player" => qw(player)],	3461	["cf::object::player" => qw(player)],
3086	["cf::player" => qw(peaceful)],	3462	["cf::player" => qw(peaceful send_msg)],
3087	["cf::map" => qw(trigger)],	3463	["cf::map" => qw(trigger)],
3088	) {	3464	) {
3089	no strict 'refs';
3090	my ($pkg, @funs) = @$_;	3465	my ($pkg, @funs) = @$_;
3091	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3466	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3092	for @funs;	3467	for @funs;
3093	}	3468	}
3094		3469
…		…
3109		3484
3110	my $qcode = $code;	3485	my $qcode = $code;
3111	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3486	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3112	$qcode =~ s/\n/\\n/g;	3487	$qcode =~ s/\n/\\n/g;
3113		3488
		3489	%vars = (_dummy => 0) unless %vars;
		3490
		3491	my @res;
3114	local $_;	3492	local $_;
3115	local @safe::cf::_safe_eval_args = values %vars;
3116		3493
3117	my $eval =	3494	my $eval =
3118	"do {\n"	3495	"do {\n"
3119	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3496	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3120	. "#line 0 \"{$qcode}\"\n"	3497	. "#line 0 \"{$qcode}\"\n"
3121	. $code	3498	. $code
3122	. "\n}"	3499	. "\n}"
3123	;	3500	;
3124		3501
		3502	if ($CFG{safe_eval}) {
3125	sub_generation_inc;	3503	sub_generation_inc;
		3504	local @safe::cf::_safe_eval_args = values %vars;
3126	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3505	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3127	sub_generation_inc;	3506	sub_generation_inc;
		3507	} else {
		3508	local @cf::_safe_eval_args = values %vars;
		3509	@res = wantarray ? eval eval : scalar eval $eval;
		3510	}
3128		3511
3129	if ($@) {	3512	if ($@) {
3130	warn "$@";	3513	warn "$@",
3131	warn "while executing safe code '$code'\n";	3514	"while executing safe code '$code'\n",
3132	warn "with arguments " . (join " ", %vars) . "\n";	3515	"with arguments " . (join " ", %vars) . "\n";
3133	}	3516	}
3134		3517
3135	wantarray ? @res : $res[0]	3518	wantarray ? @res : $res[0]
3136	}	3519	}
3137		3520
…		…
3151	=cut	3534	=cut
3152		3535
3153	sub register_script_function {	3536	sub register_script_function {
3154	my ($fun, $cb) = @_;	3537	my ($fun, $cb) = @_;
3155		3538
3156	no strict 'refs';	3539	$fun = "safe::$fun" if $CFG{safe_eval};
3157	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3540	*$fun = $safe_hole->wrap ($cb);
3158	}	3541	}
3159		3542
3160	=back	3543	=back
3161		3544
3162	=cut	3545	=cut
3163		3546
3164	#############################################################################	3547	#############################################################################
3165	# the server's init and main functions	3548	# the server's init and main functions
3166		3549
		3550	{
		3551	package cf::face;
		3552
		3553	our %HASH; # hash => idx
		3554	our @DATA; # dynamically-created facedata, only faceste 0 used
		3555	our @FOFS; # file offset, if > 0
		3556	our @SIZE; # size of face, in octets
		3557	our @META; # meta hash of face, if any
		3558	our $DATAFH; # facedata filehandle
		3559
		3560	# internal api, not finalised
		3561	sub set {
		3562	my ($name, $type, $data) = @_;
		3563
		3564	my $idx = cf::face::find $name;
		3565
		3566	if ($idx) {
		3567	delete $HASH{cf::face::get_csum $idx};
		3568	} else {
		3569	$idx = cf::face::alloc $name;
		3570	}
		3571
		3572	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3573
		3574	cf::face::set_type $idx, $type;
		3575	cf::face::set_csum $idx, 0, $hash;
		3576
		3577	# we need to destroy the SV itself, not just modify it, as a running ix
		3578	# might hold a reference to it: "delete" achieves that.
		3579	delete $FOFS[0][$idx];
		3580	delete $DATA[0][$idx];
		3581	$DATA[0][$idx] = $data;
		3582	$SIZE[0][$idx] = length $data;
		3583	delete $META[$idx];
		3584	$HASH{$hash} = $idx;#d#
		3585
		3586	$idx
		3587	}
		3588
		3589	sub _get_data($$$) {
		3590	my ($idx, $set, $cb) = @_;
		3591
		3592	if (defined $DATA[$set][$idx]) {
		3593	$cb->($DATA[$set][$idx]);
		3594	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3595	my $size = $SIZE[$set][$idx];
		3596	my $buf;
		3597	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3598	if ($_[0] == $size) {
		3599	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3600	$cb->($buf);
		3601	} else {
		3602	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3603	}
		3604	};
		3605	} else {
		3606	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3607	}
		3608	}
		3609
		3610	# rather ineffient
		3611	sub cf::face::get_data($;$) {
		3612	my ($idx, $set) = @_;
		3613
		3614	_get_data $idx, $set, Coro::rouse_cb;
		3615	Coro::rouse_wait
		3616	}
		3617
		3618	sub cf::face::ix {
		3619	my ($ns, $set, $idx, $pri) = @_;
		3620
		3621	_get_data $idx, $set, sub {
		3622	$ns->ix_send ($idx, $pri, $_[0]);
		3623	};
		3624	}
		3625	}
		3626
3167	sub load_facedata($) {	3627	sub load_facedata($) {
3168	my ($path) = @_;	3628	my ($path) = @_;
3169		3629
3170	# HACK to clear player env face cache, we need some signal framework
3171	# for this (global event?)
3172	%ext::player_env::MUSIC_FACE_CACHE = ();
3173
3174	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3630	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3175		3631
3176	warn "loading facedata from $path\n";	3632	trace "loading facedata from $path\n";
3177		3633
3178	my $facedata;	3634	my $facedata = decode_storable load_file "$path/faceinfo";
3179	0 < aio_load $path, $facedata
3180	or die "$path: $!";
3181
3182	$facedata = Coro::Storable::thaw $facedata;
3183		3635
3184	$facedata->{version} == 2	3636	$facedata->{version} == 2
3185	or cf::cleanup "$path: version mismatch, cannot proceed.";	3637	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3186		3638
3187	# patch in the exptable	3639	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3188	$facedata->{resource}{"res/exp_table"} = {	3640	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3189	type => FT_RSRC,	3641
3190	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3642	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3191	};	3643
3192	cf::cede_to_tick;	3644	# BEGIN ATOMIC
		3645	# from here on, everything must be atomic - no thread switch allowed
		3646	my $t1 = EV::time;
3193		3647
3194	{	3648	{
3195	my $faces = $facedata->{faceinfo};	3649	my $faces = $facedata->{faceinfo};
3196		3650
3197	while (my ($face, $info) = each %$faces) {	3651	for my $face (sort keys %$faces) {
		3652	my $info = $faces->{$face};
3198	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3653	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3199		3654
3200	cf::face::set_visibility $idx, $info->{visibility};	3655	cf::face::set_visibility $idx, $info->{visibility};
3201	cf::face::set_magicmap $idx, $info->{magicmap};	3656	cf::face::set_magicmap $idx, $info->{magicmap};
3202	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3657	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3203	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3658	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3204		3659	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3205	cf::cede_to_tick;	3660	$cf::face::HASH{$info->{hash64}} = $idx;
		3661	delete $cf::face::META[$idx];
3206	}	3662	}
3207		3663
3208	while (my ($face, $info) = each %$faces) {	3664	while (my ($face, $info) = each %$faces) {
3209	next unless $info->{smooth};	3665	next unless $info->{smooth};
3210		3666
…		…
3213		3669
3214	if (my $smooth = cf::face::find $info->{smooth}) {	3670	if (my $smooth = cf::face::find $info->{smooth}) {
3215	cf::face::set_smooth $idx, $smooth;	3671	cf::face::set_smooth $idx, $smooth;
3216	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3672	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3217	} else {	3673	} else {
3218	warn "smooth face '$info->{smooth}' not found for face '$face'";	3674	error "smooth face '$info->{smooth}' not found for face '$face'";
3219	}	3675	}
3220
3221	cf::cede_to_tick;
3222	}	3676	}
3223	}	3677	}
3224		3678
3225	{	3679	{
3226	my $anims = $facedata->{animinfo};	3680	my $anims = $facedata->{animinfo};
3227		3681
3228	while (my ($anim, $info) = each %$anims) {	3682	while (my ($anim, $info) = each %$anims) {
3229	cf::anim::set $anim, $info->{frames}, $info->{facings};	3683	cf::anim::set $anim, $info->{frames}, $info->{facings};
3230	cf::cede_to_tick;
3231	}	3684	}
3232		3685
3233	cf::anim::invalidate_all; # d'oh	3686	cf::anim::invalidate_all; # d'oh
3234	}	3687	}
3235		3688
3236	{	3689	{
3237	# TODO: for gcfclient pleasure, we should give resources
3238	# that gcfclient doesn't grok a >10000 face index.
3239	my $res = $facedata->{resource};	3690	my $res = $facedata->{resource};
3240		3691
3241	while (my ($name, $info) = each %$res) {	3692	while (my ($name, $info) = each %$res) {
3242	if (defined $info->{type}) {	3693	if (defined (my $type = $info->{type})) {
		3694	# TODO: different hash - must free and use new index, or cache ixface data queue
3243	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3695	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3244	my $data;
3245		3696
3246	if ($info->{type} & 1) {
3247	# prepend meta info
3248
3249	my $meta = $enc->encode ({
3250	name => $name,
3251	%{ $info->{meta} || {} },
3252	});
3253
3254	$data = pack "(w/a*)*", $meta, $info->{data};
3255	} else {
3256	$data = $info->{data};
3257	}
3258
3259	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3260	cf::face::set_type $idx, $info->{type};	3697	cf::face::set_type $idx, $type;
		3698	cf::face::set_csum $idx, 0, $info->{hash};
		3699	$cf::face::SIZE[0][$idx] = $info->{size};
		3700	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3701	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3702	$cf::face::HASH{$info->{hash}} = $idx;
3261	} else {	3703	} else {
3262	$RESOURCE{$name} = $info;	3704	# $RESOURCE{$name} = $info; # unused
3263	}	3705	}
3264
3265	cf::cede_to_tick;
3266	}	3706	}
3267	}	3707	}
		3708
		3709	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3710
		3711	# HACK to clear player env face cache, we need some signal framework
		3712	# for this (global event?)
		3713	%ext::player_env::MUSIC_FACE_CACHE = ();
		3714
		3715	# END ATOMIC
		3716
		3717	cf::debug "facedata atomic update time ", EV::time - $t1;
3268		3718
3269	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3719	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3270		3720
		3721	aio_close $fh if $fh; # close old facedata
		3722
3271	1	3723	1
3272	}	3724	}
3273
3274	cf::global->attach (on_resource_update => sub {
3275	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3276	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3277
3278	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3279	my $sound = $soundconf->{compat}[$_]
3280	or next;
3281
3282	my $face = cf::face::find "sound/$sound->[1]";
3283	cf::sound::set $sound->[0] => $face;
3284	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3285	}
3286
3287	while (my ($k, $v) = each %{$soundconf->{event}}) {
3288	my $face = cf::face::find "sound/$v";
3289	cf::sound::set $k => $face;
3290	}
3291	}
3292	});
3293		3725
3294	register_exticmd fx_want => sub {	3726	register_exticmd fx_want => sub {
3295	my ($ns, $want) = @_;	3727	my ($ns, $want) = @_;
3296		3728
3297	while (my ($k, $v) = each %$want) {	3729	while (my ($k, $v) = each %$want) {
…		…
3305	my $status = load_resource_file_ $_[0];	3737	my $status = load_resource_file_ $_[0];
3306	get_slot 0.1, 100;	3738	get_slot 0.1, 100;
3307	cf::arch::commit_load;	3739	cf::arch::commit_load;
3308		3740
3309	$status	3741	$status
		3742	}
		3743
		3744	sub reload_exp_table {
		3745	_reload_exp_table;
		3746
		3747	cf::face::set
		3748	"res/exp_table" => FT_RSRC,
		3749	JSON::XS->new->utf8->canonical->encode (
		3750	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3751	);
		3752	}
		3753
		3754	sub reload_materials {
		3755	_reload_materials;
3310	}	3756	}
3311		3757
3312	sub reload_regions {	3758	sub reload_regions {
3313	# HACK to clear player env face cache, we need some signal framework	3759	# HACK to clear player env face cache, we need some signal framework
3314	# for this (global event?)	3760	# for this (global event?)
…		…
3322	if exists $_->{match};	3768	if exists $_->{match};
3323	}	3769	}
3324	}	3770	}
3325		3771
3326	sub reload_facedata {	3772	sub reload_facedata {
3327	load_facedata "$DATADIR/facedata"	3773	load_facedata $DATADIR
3328	or die "unable to load facedata\n";	3774	or die "unable to load facedata\n";
3329	}	3775	}
3330		3776
3331	sub reload_archetypes {	3777	sub reload_archetypes {
3332	load_resource_file "$DATADIR/archetypes"	3778	load_resource_file "$DATADIR/archetypes"
3333	or die "unable to load archetypes\n";	3779	or die "unable to load archetypes\n";
		3780
		3781	cf::face::set
		3782	"res/skill_info" => FT_RSRC,
		3783	JSON::XS->new->utf8->canonical->encode (
		3784	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3785	);
		3786
		3787	cf::face::set
		3788	"res/spell_paths" => FT_RSRC,
		3789	JSON::XS->new->utf8->canonical->encode (
		3790	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3791	);
		3792
		3793	# command completion
		3794	my @commands;
		3795
		3796	for (0..cf::arch::skillvec_size - 1) {
		3797	my $skill = cf::arch::skillvec $_;
		3798	my $name = $skill->name;
		3799	my $flags = cf::skill_flags $skill->subtype;
		3800
		3801	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3802	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3803	}
		3804
		3805	cf::client::set_command_face skill => \@commands;
3334	}	3806	}
3335		3807
3336	sub reload_treasures {	3808	sub reload_treasures {
3337	load_resource_file "$DATADIR/treasures"	3809	load_resource_file "$DATADIR/treasures"
3338	or die "unable to load treasurelists\n";	3810	or die "unable to load treasurelists\n";
3339	}	3811	}
3340		3812
		3813	sub reload_sound {
		3814	trace "loading sound config from $DATADIR/sound\n";
		3815
		3816	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3817
		3818	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3819	my $sound = $soundconf->{compat}[$_]
		3820	or next;
		3821
		3822	my $face = cf::face::find "sound/$sound->[1]";
		3823	cf::sound::set $sound->[0] => $face;
		3824	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3825	}
		3826
		3827	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3828	my $face = cf::face::find "sound/$v";
		3829	cf::sound::set $k => $face;
		3830	}
		3831	}
		3832
3341	sub reload_resources {	3833	sub reload_resources {
3342	warn "reloading resource files...\n";	3834	trace "reloading resource files...\n";
3343		3835
		3836	reload_materials;
3344	reload_facedata;	3837	reload_facedata;
		3838	reload_exp_table;
		3839	reload_sound;
3345	reload_archetypes;	3840	reload_archetypes;
3346	reload_regions;	3841	reload_regions;
3347	reload_treasures;	3842	reload_treasures;
3348		3843
3349	warn "finished reloading resource files\n";	3844	trace "finished reloading resource files\n";
3350	}
3351
3352	sub init {
3353	my $guard = freeze_mainloop;
3354
3355	evthread_start IO::AIO::poll_fileno;
3356
3357	reload_resources;
3358	}	3845	}
3359		3846
3360	sub reload_config {	3847	sub reload_config {
3361	open my $fh, "<:utf8", "$CONFDIR/config"	3848	trace "reloading config file...\n";
3362	or return;
3363		3849
3364	local $/;	3850	my $config = load_file "$CONFDIR/config";
3365	*CFG = YAML::Load <$fh>;	3851	utf8::decode $config;
		3852	*CFG = decode_yaml $config;
3366		3853
3367	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3854	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3368		3855
3369	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3856	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3370	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3857	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3371		3858
3372	if (exists $CFG{mlockall}) {	3859	if (exists $CFG{mlockall}) {
…		…
3395		3882
3396	seek $fh, 0, 0;	3883	seek $fh, 0, 0;
3397	print $fh $$;	3884	print $fh $$;
3398	}	3885	}
3399		3886
		3887	sub main_loop {
		3888	trace "EV::loop starting\n";
		3889	if (1) {
		3890	EV::loop;
		3891	}
		3892	trace "EV::loop returned\n";
		3893	goto &main_loop unless $REALLY_UNLOOP;
		3894	}
		3895
3400	sub main {	3896	sub main {
3401	atomic;	3897	cf::init_globals; # initialise logging
		3898
		3899	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3900	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3901	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3902	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3903
		3904	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3402		3905
3403	# we must not ever block the main coroutine	3906	# we must not ever block the main coroutine
3404	local $Coro::idle = sub {	3907	$Coro::idle = sub {
3405	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3908	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3406	(async {	3909	(async {
3407	$Coro::current->{desc} = "IDLE BUG HANDLER";	3910	$Coro::current->{desc} = "IDLE BUG HANDLER";
3408	EV::loop EV::LOOP_ONESHOT;	3911	EV::loop EV::LOOP_ONESHOT;
3409	})->prio (Coro::PRIO_MAX);	3912	})->prio (Coro::PRIO_MAX);
3410	};	3913	};
3411		3914
3412	{	3915	evthread_start IO::AIO::poll_fileno;
3413	my $guard = freeze_mainloop;	3916
		3917	cf::sync_job {
		3918	cf::incloader::init ();
		3919
		3920	db_init;
		3921
		3922	cf::init_anim;
		3923	cf::init_attackmess;
		3924	cf::init_dynamic;
		3925
		3926	cf::load_settings;
		3927
		3928	reload_resources;
3414	reload_config;	3929	reload_config;
3415	db_init;	3930
		3931	cf::init_uuid;
		3932	cf::init_signals;
		3933	cf::init_skills;
		3934
		3935	cf::init_beforeplay;
		3936
		3937	atomic;
		3938
3416	load_extensions;	3939	load_extensions;
3417		3940
3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3419	}
3420
3421	utime time, time, $RUNTIMEFILE;	3941	utime time, time, $RUNTIMEFILE;
3422		3942
3423	# no (long-running) fork's whatsoever before this point(!)	3943	# no (long-running) fork's whatsoever before this point(!)
		3944	use POSIX ();
3424	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};	3945	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3425		3946
3426	EV::loop;	3947	cf::_post_init 0;
		3948	};
		3949
		3950	cf::object::thawer::errors_are_fatal 0;
		3951	info "parse errors in files are no longer fatal from this point on.\n";
		3952
		3953	AE::postpone {
		3954	undef &main; # free gobs of memory :)
		3955	};
		3956
		3957	goto &main_loop;
3427	}	3958	}
3428		3959
3429	#############################################################################	3960	#############################################################################
3430	# initialisation and cleanup	3961	# initialisation and cleanup
3431		3962
3432	# install some emergency cleanup handlers	3963	# install some emergency cleanup handlers
3433	BEGIN {	3964	BEGIN {
3434	our %SIGWATCHER = ();	3965	our %SIGWATCHER = ();
3435	for my $signal (qw(INT HUP TERM)) {	3966	for my $signal (qw(INT HUP TERM)) {
3436	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3967	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3437	cf::cleanup "SIG$signal";	3968	cf::cleanup "SIG$signal";
3438	};	3969	};
3439	}	3970	}
3440	}	3971	}
3441		3972
3442	sub write_runtime_sync {	3973	sub write_runtime_sync {
		3974	my $t0 = AE::time;
		3975
3443	# first touch the runtime file to show we are still running:	3976	# first touch the runtime file to show we are still running:
3444	# the fsync below can take a very very long time.	3977	# the fsync below can take a very very long time.
3445		3978
3446	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;	3979	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3447		3980
3448	my $guard = cf::lock_acquire "write_runtime";	3981	my $guard = cf::lock_acquire "write_runtime";
3449		3982
3450	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644	3983	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3451	or return;	3984	or return;
3452		3985
3453	my $value = $cf::RUNTIME + 90 + 10;	3986	my $value = $cf::RUNTIME + 90 + 10;
3454	# 10 is the runtime save interval, for a monotonic clock	3987	# 10 is the runtime save interval, for a monotonic clock
3455	# 60 allows for the watchdog to kill the server.	3988	# 60 allows for the watchdog to kill the server.
…		…
3468	or return;	4001	or return;
3469		4002
3470	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE	4003	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3471	and return;	4004	and return;
3472		4005
3473	warn "runtime file written.\n";	4006	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3474		4007
3475	1	4008	1
3476	}	4009	}
3477		4010
3478	our $uuid_lock;	4011	our $uuid_lock;
…		…
3487	my $uuid = "$LOCALDIR/uuid";	4020	my $uuid = "$LOCALDIR/uuid";
3488		4021
3489	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	4022	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3490	or return;	4023	or return;
3491		4024
3492	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	4025	my $value = uuid_seq uuid_cur;
		4026
		4027	unless ($value) {
		4028	info "cowardly refusing to write zero uuid value!\n";
		4029	return;
		4030	}
		4031
		4032	my $value = uuid_str $value + $uuid_skip;
3493	$uuid_skip = 0;	4033	$uuid_skip = 0;
3494		4034
3495	(aio_write $fh, 0, (length $value), $value, 0) <= 0	4035	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3496	and return;	4036	and return;
3497		4037
…		…
3503	or return;	4043	or return;
3504		4044
3505	aio_rename "$uuid~", $uuid	4045	aio_rename "$uuid~", $uuid
3506	and return;	4046	and return;
3507		4047
3508	warn "uuid file written ($value).\n";	4048	trace "uuid file written ($value).\n";
3509		4049
3510	1	4050	1
3511		4051
3512	}	4052	}
3513		4053
…		…
3519	}	4059	}
3520		4060
3521	sub emergency_save() {	4061	sub emergency_save() {
3522	my $freeze_guard = cf::freeze_mainloop;	4062	my $freeze_guard = cf::freeze_mainloop;
3523		4063
3524	warn "enter emergency perl save\n";	4064	info "emergency_perl_save: enter\n";
		4065
		4066	# this is a trade-off: we want to be very quick here, so
		4067	# save all maps without fsync, and later call a global sync
		4068	# (which in turn might be very very slow)
		4069	local $USE_FSYNC = 0;
3525		4070
3526	cf::sync_job {	4071	cf::sync_job {
		4072	cf::write_runtime_sync; # external watchdog should not bark
		4073
3527	# use a peculiar iteration method to avoid tripping on perl	4074	# use a peculiar iteration method to avoid tripping on perl
3528	# refcount bugs in for. also avoids problems with players	4075	# refcount bugs in for. also avoids problems with players
3529	# and maps saved/destroyed asynchronously.	4076	# and maps saved/destroyed asynchronously.
3530	warn "begin emergency player save\n";	4077	info "emergency_perl_save: begin player save\n";
3531	for my $login (keys %cf::PLAYER) {	4078	for my $login (keys %cf::PLAYER) {
3532	my $pl = $cf::PLAYER{$login} or next;	4079	my $pl = $cf::PLAYER{$login} or next;
3533	$pl->valid or next;	4080	$pl->valid or next;
3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4081	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3535	$pl->save;	4082	$pl->save;
3536	}	4083	}
3537	warn "end emergency player save\n";	4084	info "emergency_perl_save: end player save\n";
3538		4085
3539	warn "begin emergency map save\n";	4086	cf::write_runtime_sync; # external watchdog should not bark
		4087
		4088	info "emergency_perl_save: begin map save\n";
3540	for my $path (keys %cf::MAP) {	4089	for my $path (keys %cf::MAP) {
3541	my $map = $cf::MAP{$path} or next;	4090	my $map = $cf::MAP{$path} or next;
3542	$map->valid or next;	4091	$map->valid or next;
3543	$map->save;	4092	$map->save;
3544	}	4093	}
3545	warn "end emergency map save\n";	4094	info "emergency_perl_save: end map save\n";
3546		4095
3547	warn "begin emergency database checkpoint\n";	4096	cf::write_runtime_sync; # external watchdog should not bark
		4097
		4098	info "emergency_perl_save: begin database checkpoint\n";
3548	BDB::db_env_txn_checkpoint $DB_ENV;	4099	BDB::db_env_txn_checkpoint $DB_ENV;
3549	warn "end emergency database checkpoint\n";	4100	info "emergency_perl_save: end database checkpoint\n";
3550		4101
3551	warn "begin write uuid\n";	4102	info "emergency_perl_save: begin write uuid\n";
3552	write_uuid_sync 1;	4103	write_uuid_sync 1;
3553	warn "end write uuid\n";	4104	info "emergency_perl_save: end write uuid\n";
		4105
		4106	cf::write_runtime_sync; # external watchdog should not bark
		4107
		4108	trace "emergency_perl_save: syncing database to disk";
		4109	BDB::db_env_txn_checkpoint $DB_ENV;
		4110
		4111	info "emergency_perl_save: starting sync\n";
		4112	IO::AIO::aio_sync sub {
		4113	info "emergency_perl_save: finished sync\n";
		4114	};
		4115
		4116	cf::write_runtime_sync; # external watchdog should not bark
		4117
		4118	trace "emergency_perl_save: flushing outstanding aio requests";
		4119	while (IO::AIO::nreqs || BDB::nreqs) {
		4120	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4121	}
		4122
		4123	cf::write_runtime_sync; # external watchdog should not bark
3554	};	4124	};
3555		4125
3556	warn "leave emergency perl save\n";	4126	info "emergency_perl_save: leave\n";
3557	}	4127	}
3558		4128
3559	sub post_cleanup {	4129	sub post_cleanup {
3560	my ($make_core) = @_;	4130	my ($make_core) = @_;
3561		4131
		4132	IO::AIO::flush;
		4133
3562	warn Carp::longmess "post_cleanup backtrace"	4134	error Carp::longmess "post_cleanup backtrace"
3563	if $make_core;	4135	if $make_core;
3564		4136
3565	my $fh = pidfile;	4137	my $fh = pidfile;
3566	unlink $PIDFILE if <$fh> == $$;	4138	unlink $PIDFILE if <$fh> == $$;
3567	}	4139	}
…		…
3587	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	4159	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3588	for my $name (keys %$leaf_symtab) {	4160	for my $name (keys %$leaf_symtab) {
3589	_gv_clear *{"$pkg$name"};	4161	_gv_clear *{"$pkg$name"};
3590	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	4162	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3591	}	4163	}
3592	warn "cleared package #$pkg\n";#d#
3593	}	4164	}
3594
3595	our $RELOAD; # how many times to reload
3596		4165
3597	sub do_reload_perl() {	4166	sub do_reload_perl() {
3598	# can/must only be called in main	4167	# can/must only be called in main
3599	if ($Coro::current != $Coro::main) {	4168	unless (in_main) {
3600	warn "can only reload from main coroutine";	4169	error "can only reload from main coroutine";
3601	return;	4170	return;
3602	}	4171	}
3603		4172
3604	return if $RELOAD++;	4173	return if $RELOAD++;
3605		4174
		4175	my $t1 = AE::time;
		4176
3606	while ($RELOAD) {	4177	while ($RELOAD) {
3607	warn "reloading...";	4178	cf::get_slot 0.1, -1, "reload_perl";
		4179	info "perl_reload: reloading...";
3608		4180
3609	warn "entering sync_job";	4181	trace "perl_reload: entering sync_job";
3610		4182
3611	cf::sync_job {	4183	cf::sync_job {
3612	cf::write_runtime_sync; # external watchdog should not bark
3613	cf::emergency_save;	4184	#cf::emergency_save;
3614	cf::write_runtime_sync; # external watchdog should not bark
3615		4185
3616	warn "syncing database to disk";
3617	BDB::db_env_txn_checkpoint $DB_ENV;
3618
3619	# if anything goes wrong in here, we should simply crash as we already saved
3620
3621	warn "flushing outstanding aio requests";
3622	while (IO::AIO::nreqs || BDB::nreqs) {
3623	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3624	}
3625
3626	warn "cancelling all extension coros";	4186	trace "perl_reload: cancelling all extension coros";
3627	$_->cancel for values %EXT_CORO;	4187	$_->cancel for values %EXT_CORO;
3628	%EXT_CORO = ();	4188	%EXT_CORO = ();
3629		4189
3630	warn "removing commands";	4190	trace "perl_reload: removing commands";
3631	%COMMAND = ();	4191	%COMMAND = ();
3632		4192
3633	warn "removing ext/exti commands";	4193	trace "perl_reload: removing ext/exti commands";
3634	%EXTCMD = ();	4194	%EXTCMD = ();
3635	%EXTICMD = ();	4195	%EXTICMD = ();
3636		4196
3637	warn "unloading/nuking all extensions";	4197	trace "perl_reload: unloading/nuking all extensions";
3638	for my $pkg (@EXTS) {	4198	for my $pkg (@EXTS) {
3639	warn "... unloading $pkg";	4199	trace "... unloading $pkg";
3640		4200
3641	if (my $cb = $pkg->can ("unload")) {	4201	if (my $cb = $pkg->can ("unload")) {
3642	eval {	4202	eval {
3643	$cb->($pkg);	4203	$cb->($pkg);
3644	1	4204	1
3645	} or warn "$pkg unloaded, but with errors: $@";	4205	} or error "$pkg unloaded, but with errors: $@";
3646	}	4206	}
3647		4207
3648	warn "... clearing $pkg";	4208	trace "... clearing $pkg";
3649	clear_package $pkg;	4209	clear_package $pkg;
3650	}	4210	}
3651		4211
3652	warn "unloading all perl modules loaded from $LIBDIR";	4212	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3653	while (my ($k, $v) = each %INC) {	4213	while (my ($k, $v) = each %INC) {
3654	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4214	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3655		4215
3656	warn "... unloading $k";	4216	trace "... unloading $k";
3657	delete $INC{$k};	4217	delete $INC{$k};
3658		4218
3659	$k =~ s/\.pm$//;	4219	$k =~ s/\.pm$//;
3660	$k =~ s/\//::/g;	4220	$k =~ s/\//::/g;
3661		4221
…		…
3664	}	4224	}
3665		4225
3666	clear_package $k;	4226	clear_package $k;
3667	}	4227	}
3668		4228
3669	warn "getting rid of safe::, as good as possible";	4229	trace "perl_reload: getting rid of safe::, as good as possible";
3670	clear_package "safe::$_"	4230	clear_package "safe::$_"
3671	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4231	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3672		4232
3673	warn "unloading cf.pm \"a bit\"";	4233	trace "perl_reload: unloading cf.pm \"a bit\"";
3674	delete $INC{"cf.pm"};	4234	delete $INC{"cf.pm"};
3675	delete $INC{"cf/pod.pm"};	4235	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3676		4236
3677	# don't, removes xs symbols, too,	4237	# don't, removes xs symbols, too,
3678	# and global variables created in xs	4238	# and global variables created in xs
3679	#clear_package __PACKAGE__;	4239	#clear_package __PACKAGE__;
3680		4240
3681	warn "unload completed, starting to reload now";	4241	info "perl_reload: unload completed, starting to reload now";
3682		4242
3683	warn "reloading cf.pm";	4243	trace "perl_reload: reloading cf.pm";
3684	require cf;	4244	require cf;
3685	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4245	cf::_connect_to_perl_1;
3686		4246
3687	warn "loading config and database again";	4247	trace "perl_reload: loading config and database again";
3688	cf::reload_config;	4248	cf::reload_config;
3689		4249
3690	warn "loading extensions";	4250	trace "perl_reload: loading extensions";
3691	cf::load_extensions;	4251	cf::load_extensions;
3692		4252
		4253	if ($REATTACH_ON_RELOAD) {
3693	warn "reattaching attachments to objects/players";	4254	trace "perl_reload: reattaching attachments to objects/players";
3694	_global_reattach; # objects, sockets	4255	_global_reattach; # objects, sockets
3695	warn "reattaching attachments to maps";	4256	trace "perl_reload: reattaching attachments to maps";
3696	reattach $_ for values %MAP;	4257	reattach $_ for values %MAP;
3697	warn "reattaching attachments to players";	4258	trace "perl_reload: reattaching attachments to players";
3698	reattach $_ for values %PLAYER;	4259	reattach $_ for values %PLAYER;
		4260	}
3699		4261
3700	warn "leaving sync_job";	4262	cf::_post_init 1;
		4263
		4264	trace "perl_reload: leaving sync_job";
3701		4265
3702	1	4266	1
3703	} or do {	4267	} or do {
3704	warn $@;	4268	error $@;
3705	cf::cleanup "error while reloading, exiting.";	4269	cf::cleanup "perl_reload: error, exiting.";
3706	};	4270	};
3707		4271
3708	warn "reloaded";
3709	--$RELOAD;	4272	--$RELOAD;
3710	}	4273	}
		4274
		4275	$t1 = AE::time - $t1;
		4276	info "perl_reload: completed in ${t1}s\n";
3711	};	4277	};
3712		4278
3713	our $RELOAD_WATCHER; # used only during reload	4279	our $RELOAD_WATCHER; # used only during reload
3714		4280
3715	sub reload_perl() {	4281	sub reload_perl() {
3716	# doing reload synchronously and two reloads happen back-to-back,	4282	# doing reload synchronously and two reloads happen back-to-back,
3717	# coro crashes during coro_state_free->destroy here.	4283	# coro crashes during coro_state_free->destroy here.
3718		4284
		4285	$RELOAD_WATCHER ||= cf::async {
		4286	Coro::AIO::aio_wait cache_extensions;
		4287
3719	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4288	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3720	do_reload_perl;	4289	do_reload_perl;
3721	undef $RELOAD_WATCHER;	4290	undef $RELOAD_WATCHER;
		4291	};
3722	};	4292	};
3723	}	4293	}
3724		4294
3725	register_command "reload" => sub {	4295	register_command "reload" => sub {
3726	my ($who, $arg) = @_;	4296	my ($who, $arg) = @_;
…		…
3732	reload_perl;	4302	reload_perl;
3733	};	4303	};
3734	}	4304	}
3735	};	4305	};
3736		4306
3737	unshift @INC, $LIBDIR;	4307	#############################################################################
3738		4308
3739	my $bug_warning = 0;	4309	my $bug_warning = 0;
3740		4310
3741	our @WAIT_FOR_TICK;
3742	our @WAIT_FOR_TICK_BEGIN;
3743
3744	sub wait_for_tick {	4311	sub wait_for_tick() {
3745	return if tick_inhibit || $Coro::current == $Coro::main;	4312	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3746		4313
3747	my $signal = new Coro::Signal;	4314	$WAIT_FOR_TICK->wait;
3748	push @WAIT_FOR_TICK, $signal;
3749	$signal->wait;
3750	}	4315	}
3751		4316
3752	sub wait_for_tick_begin {	4317	sub wait_for_tick_begin() {
3753	return if tick_inhibit || $Coro::current == $Coro::main;	4318	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3754		4319
3755	my $signal = new Coro::Signal;	4320	my $signal = new Coro::Signal;
3756	push @WAIT_FOR_TICK_BEGIN, $signal;	4321	push @WAIT_FOR_TICK_BEGIN, $signal;
3757	$signal->wait;	4322	$signal->wait;
3758	}	4323	}
…		…
3762	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4327	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3763	unless ++$bug_warning > 10;	4328	unless ++$bug_warning > 10;
3764	return;	4329	return;
3765	}	4330	}
3766		4331
3767	cf::server_tick; # one server iteration	4332	cf::one_tick; # one server iteration
		4333
		4334	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3768		4335
3769	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4336	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3770	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4337	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3771	Coro::async_pool {	4338	Coro::async_pool {
3772	$Coro::current->{desc} = "runtime saver";	4339	$Coro::current->{desc} = "runtime saver";
3773	write_runtime_sync	4340	write_runtime_sync
3774	or warn "ERROR: unable to write runtime file: $!";	4341	or error "ERROR: unable to write runtime file: $!";
3775	};	4342	};
3776	}	4343	}
3777		4344
3778	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4345	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3779	$sig->send;	4346	$sig->send;
3780	}	4347	}
3781	while (my $sig = shift @WAIT_FOR_TICK) {	4348	$WAIT_FOR_TICK->broadcast;
3782	$sig->send;
3783	}
3784		4349
3785	$LOAD = ($NOW - $TICK_START) / $TICK;	4350	$LOAD = ($NOW - $TICK_START) / $TICK;
3786	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4351	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3787		4352
3788	if (0) {	4353	if (0) {
3789	if ($NEXT_TICK) {	4354	if ($NEXT_TICK) {
3790	my $jitter = $TICK_START - $NEXT_TICK;	4355	my $jitter = $TICK_START - $NEXT_TICK;
3791	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4356	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3792	warn "jitter $JITTER\n";#d#	4357	debug "jitter $JITTER\n";#d#
3793	}	4358	}
3794	}	4359	}
3795	}	4360	}
3796		4361
3797	{	4362	{
3798	# configure BDB	4363	# configure BDB
		4364	info "initialising database";
3799		4365
3800	BDB::min_parallel 8;	4366	BDB::min_parallel 16;
3801	BDB::max_poll_reqs $TICK * 0.1;	4367	BDB::max_poll_reqs $TICK * 0.1;
3802	$AnyEvent::BDB::WATCHER->priority (1);	4368	#$AnyEvent::BDB::WATCHER->priority (1);
3803		4369
3804	unless ($DB_ENV) {	4370	unless ($DB_ENV) {
3805	$DB_ENV = BDB::db_env_create;	4371	$DB_ENV = BDB::db_env_create;
3806	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4372	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3807	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;	4373	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
…		…
3832	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4398	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3833	};	4399	};
3834	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4400	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3835	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4401	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3836	};	4402	};
		4403
		4404	info "database initialised";
3837	}	4405	}
3838		4406
3839	{	4407	{
3840	# configure IO::AIO	4408	# configure IO::AIO
3841		4409
		4410	info "initialising aio";
3842	IO::AIO::min_parallel 8;	4411	IO::AIO::min_parallel 8;
3843	IO::AIO::max_poll_time $TICK * 0.1;	4412	IO::AIO::max_poll_time $TICK * 0.1;
3844	undef $AnyEvent::AIO::WATCHER;	4413	undef $AnyEvent::AIO::WATCHER;
		4414	info "aio initialised";
3845	}	4415	}
3846		4416
3847	my $_log_backtrace;	4417	our $_log_backtrace;
		4418	our $_log_backtrace_last;
3848		4419
3849	sub _log_backtrace {	4420	sub _log_backtrace {
3850	my ($msg, @addr) = @_;	4421	my ($msg, @addr) = @_;
3851		4422
3852	$msg =~ s/\n//;	4423	$msg =~ s/\n$//;
3853		4424
		4425	if ($_log_backtrace_last eq $msg) {
		4426	LOG llevInfo, "[ABT] $msg\n";
		4427	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3854	# limit the # of concurrent backtraces	4428	# limit the # of concurrent backtraces
3855	if ($_log_backtrace < 2) {	4429	} elsif ($_log_backtrace < 2) {
		4430	$_log_backtrace_last = $msg;
3856	++$_log_backtrace;	4431	++$_log_backtrace;
3857	my $perl_bt = Carp::longmess $msg;	4432	my $perl_bt = Carp::longmess $msg;
3858	async {	4433	async {
3859	$Coro::current->{desc} = "abt $msg";	4434	$Coro::current->{desc} = "abt $msg";
3860		4435
…		…
3880	LOG llevInfo, "[ABT] $_\n" for @bt;	4455	LOG llevInfo, "[ABT] $_\n" for @bt;
3881	--$_log_backtrace;	4456	--$_log_backtrace;
3882	};	4457	};
3883	} else {	4458	} else {
3884	LOG llevInfo, "[ABT] $msg\n";	4459	LOG llevInfo, "[ABT] $msg\n";
3885	LOG llevInfo, "[ABT] [suppressed]\n";	4460	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3886	}	4461	}
3887	}	4462	}
3888		4463
3889	# load additional modules	4464	# load additional modules
3890	use cf::pod;	4465	require "cf/$_.pm" for @EXTRA_MODULES;
		4466	cf::_connect_to_perl_2;
3891		4467
3892	END { cf::emergency_save }	4468	END { cf::emergency_save }
3893		4469
3894	1	4470	1
3895		4471

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