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Revision 1.452 by root, Tue Sep 23 00:24:52 2008 UTC vs.
Revision 1.614 by root, Mon Nov 26 15:12:16 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
…		…
70		74
71	# make sure c-lzf reinitialises itself	75	# make sure c-lzf reinitialises itself
72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";	76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
73	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
74		78
		79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
		81
75	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;
76		85
77	our %COMMAND = ();	86	our %COMMAND = ();
78	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
79		88
80	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
81	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
82	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
83	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
84	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
85		96
86	our $RELOAD; # number of reloads so far, non-zero while in reload	97	our $RELOAD; # number of reloads so far, non-zero while in reload
87	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
88		101
89	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
90	our $DATADIR = datadir;	104	our $DATADIR = datadir;
91	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
92	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
93	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
94	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
95	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
98	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
99	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
100	our $PIDFILE = "$LOCALDIR/pid";	115	our $PIDFILE = "$LOCALDIR/pid";
101	our $RUNTIMEFILE = "$LOCALDIR/runtime";	116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
102		117
103	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;
104		125
105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
107	our $NEXT_TICK;	128	our $NEXT_TICK;
108	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
109		130
110	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
111	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
112	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
113	our $DB_ENV;	134	our $DB_ENV;
114		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
115	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
116		140
117	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
118	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
119	our $NOW;	144	our $NOW;
120		145
121	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
122	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
123	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
…		…
127		152
128	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)
129	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
130	our $JITTER; # average jitter	155	our $JITTER; # average jitter
131	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;
132		165
133	binmode STDOUT;	166	binmode STDOUT;
134	binmode STDERR;	167	binmode STDERR;
135		168
136	# read virtual server time, if available	169	# read virtual server time, if available
…		…
138	open my $fh, "<", $RUNTIMEFILE	171	open my $fh, "<", $RUNTIMEFILE
139	or die "unable to read $RUNTIMEFILE file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
140	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
141	}	174	}
142		175
		176	eval "sub TICK() { $TICK } 1" or die;
		177
143	mkdir $_	178	mkdir $_
144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
145		180
146	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
147		182
148	sub cf::map::normalise;	183	sub cf::map::normalise;
149		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
150	#############################################################################	189	#############################################################################
151		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
152	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
153		203
154	=over 4	204	=over 4
155		205
156	=item $cf::UPTIME	206	=item $cf::UPTIME
157		207
158	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.
159		224
160	=item $cf::RUNTIME	225	=item $cf::RUNTIME
161		226
162	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
163	every server tick.	228	every server tick.
164		229
165	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
166	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
167	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
168		233
169	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
170	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
171	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
172	database environment.	237	database environment.
173		238
174	=item $cf::NOW
175
176	The time of the last (current) server tick.
177
178	=item $cf::TICK
179
180	The interval between server ticks, in seconds.
181
182	=item $cf::LOADAVG	239	=item $cf::LOADAVG
183		240
184	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
185	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
186	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
195	from wherever your confdir points to.	252	from wherever your confdir points to.
196		253
197	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
198		255
199	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
200	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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();
202		277
203	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
204		279
205	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
206	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
207	that call.	282	that call.
208		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
209	=back	290	=back
210		291
211	=cut	292	=cut
212		293
213	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
214	*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 {
215	my $msg = join "", @_;	301	my $msg = join "", @_;
216		302
217	$msg .= "\n"	303	$msg .= "\n"
218	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
219		305
220	$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;
221		307
222	LOG llevError, $msg;	308	LOG llevWarn, $msg;
223	};	309	};
224	}
225		310
226	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
227	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
228		313
229	if ($Coro::current == $Coro::main) {#d#	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
230	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
231	return;#d#	318	return;#d#
232	}#d#	319	}#d#
233		320
234	# kill coroutine otherwise	321	# kill coroutine otherwise
235	warn Carp::longmess $_[0];
236	Coro::terminate	322	Coro::terminate
237	};	323	};
238
239	$SIG{__DIE__} = sub { }; #d#?
240		324
241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
258	)) {	342	)) {
259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
260	}	344	}
261		345
262	$EV::DIED = sub {	346	$EV::DIED = sub {
263	warn "error in event callback: @_";	347	warn "error in event callback: $@";
264	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
265		354
266	#############################################################################	355	#############################################################################
267		356
268	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
269		358
…		…
290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
291	$d	380	$d
292	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
293	}	382	}
294		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
295	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
296		437
297	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
298		439
299	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
306		447
307	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
308	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
309		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
310	=item cf::lock_wait $string	513	=item cf::lock_wait $string
311		514
312	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
313		516
314	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
315		518
316	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
317	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,
318	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
319	returned.	522	returned.
320		523
321	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
322	deadlocked coro.	525	deadlocked coro.
…		…
328		531
329	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.
330		533
331	=cut	534	=cut
332		535
333	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
334	our %LOCKER;#d#
335		537
336	sub lock_wait($) {	538	sub lock_wait($) {
337	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
338
339	if ($LOCKER{$key} == $Coro::current) {#d#
340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
341	return;#d#
342	}#d#
343
344	# wait for lock, if any
345	while ($LOCK{$key}) {
346	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
347	push @{ $LOCK{$key} }, $Coro::current;
348	Coro::schedule;
349	}
350	}	540	}
351		541
352	sub lock_acquire($) {	542	sub lock_acquire($) {
353	my ($key) = @_;	543	$LOCKS->guard ($_[0])
354
355	# wait, to be sure we are not locked
356	lock_wait $key;
357
358	$LOCK{$key} = [];
359	$LOCKER{$key} = $Coro::current;#d#
360
361	Coro::guard {
362	delete $LOCKER{$key};#d#
363	# wake up all waiters, to be on the safe side
364	$_->ready for @{ delete $LOCK{$key} };
365	}
366	}	544	}
367		545
368	sub lock_active($) {	546	sub lock_active($) {
369	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
370
371	! ! $LOCK{$key}
372	}	548	}
373		549
374	sub freeze_mainloop {	550	sub freeze_mainloop {
375	tick_inhibit_inc;	551	tick_inhibit_inc;
376		552
377	Coro::guard \&tick_inhibit_dec;	553	&Guard::guard (\&tick_inhibit_dec);
378	}	554	}
379		555
380	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
381		557
382	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
383	get spread over timer.	559	get spread over time.
384		560
385	=cut	561	=cut
386		562
387	sub periodic($$) {	563	sub periodic($$) {
388	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
392	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
393	}	569	}
394		570
395	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
396		572
397	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
398	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
399	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$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.
400		580
401	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
402	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
403		583
404	Useful for short background jobs.	584	Useful for short background jobs.
405		585
406	=cut	586	=cut
407		587
408	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
409	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
410		591
411	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
412	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
413	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
414		595
415	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
416		598
417	while () {	599	while () {
418	next_job:	600	next_job:
		601
		602	Coro::cede;
		603
419	my $avail = cf::till_tick;	604	my $avail = cf::till_tick;
420	if ($avail > 0.01) {	605
421	for (0 .. $#SLOT_QUEUE) {	606	for (0 .. $#SLOT_QUEUE) {
422	if ($SLOT_QUEUE[$_][0] < $avail) {	607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
423	my $job = splice @SLOT_QUEUE, $_, 1, ();	609	my $job = splice @SLOT_QUEUE, $_, 1, ();
424	$job->[2]->send;	610	$job->[2]->send;
425	Coro::cede;
426	goto next_job;	611	goto next_job;
427	}	612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
428	}	614	}
429	}	615	}
430		616
431	if (@SLOT_QUEUE) {	617	if (@SLOT_QUEUE) {
432	# we do not use wait_for_tick() as it returns immediately when tick is inactive	618	wait_for_tick;
433	push @cf::WAIT_FOR_TICK, $signal;
434	$signal->wait;
435	} else {	619	} else {
		620	$busy = 0;
436	Coro::schedule;	621	Coro::schedule;
437	}	622	}
438	}	623	}
439	};	624	};
440		625
441	sub get_slot($;$$) {	626	sub get_slot($;$$) {
442	return if tick_inhibit || $Coro::current == $Coro::main;	627	return if tick_inhibit || $Coro::current == $Coro::main;
443		628
444	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
445		630
446	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
447	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
448		634
449	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
450	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
451	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
477	=cut	663	=cut
478		664
479	sub sync_job(&) {	665	sub sync_job(&) {
480	my ($job) = @_;	666	my ($job) = @_;
481		667
482	if ($Coro::current == $Coro::main) {	668	if (in_main) {
483	my $time = EV::time;	669	my $time = AE::time;
484		670
485	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
486	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
487		673
488	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
489		675
490	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
491		677
492	my $busy = 1;	678	my $busy = 1;
493	my @res;	679	my @res;
494		680
495	(async {	681	(async {
496	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
497	@res = eval { $job->() };	683	@res = eval { $job->() };
498	warn $@ if $@;	684	error $@ if $@;
499	undef $busy;	685	undef $busy;
500	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
501		687
502	while ($busy) {	688	while ($busy) {
503	if (Coro::nready) {	689	if (Coro::nready) {
…		…
505	} else {	691	} else {
506	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_ONESHOT;
507	}	693	}
508	}	694	}
509		695
510	my $time = EV::time - $time;	696	my $time = AE::time - $time;
511		697
512	$TICK_START += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
513		699
514	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
515	} else {	701	} else {
…		…
537	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
538		724
539	$coro	725	$coro
540	}	726	}
541		727
542	=item fork_call { }, $args	728	=item fork_call { }, @args
543		729
544	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
545	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
546	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
547	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
548		734
549	=cut	735	=cut
550		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
551	sub fork_call(&@) {	741	sub fork_call(&@) {
552	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
553		743
554	# we seemingly have to make a local copy of the whole thing,
555	# otherwise perl prematurely frees the stuff :/
556	# TODO: investigate and fix (likely this will be rather laborious)
557
558	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
559	reset_signals;	745	cf::post_fork;
560	&$cb	746	&$cb
561	}, @args;	747	} @args;
562		748
563	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	)
564	}	761	}
565		762
566	=item $coin = coin_from_name $name	763	=item $coin = coin_from_name $name
567		764
568	=cut	765	=cut
…		…
605	within each server.	802	within each server.
606		803
607	=cut	804	=cut
608		805
609	sub db_table($) {	806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
610	my ($name) = @_;	810	my ($name) = @_;
611	my $db = BDB::db_create $DB_ENV;	811	my $db = BDB::db_create $DB_ENV;
612		812
613	eval {	813	eval {
614	$db->set_flags (BDB::CHKSUM);	814	$db->set_flags (BDB::CHKSUM);
…		…
624	}	824	}
625		825
626	our $DB;	826	our $DB;
627		827
628	sub db_init {	828	sub db_init {
629	cf::sync_job {
630	$DB ||= db_table "db";	829	$DB ||= db_table "db";
631	};
632	}	830	}
633		831
634	sub db_get($$) {	832	sub db_get($$) {
635	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
636		834
637	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
638	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
639		839
640	$! ? ()	840	$! ? ()
641	: $data	841	: $data
642	}
643	}	842	}
644		843
645	sub db_put($$$) {	844	sub db_put($$$) {
646	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
647	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
675		874
676	my @data;	875	my @data;
677	my $md5;	876	my $md5;
678		877
679	for (0 .. $#$src) {	878	for (0 .. $#$src) {
680	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
681	or Carp::croak "$src->[$_]: $!";
682	}	880	}
683		881
684	# if processing is expensive, check	882	# if processing is expensive, check
685	# checksum first	883	# checksum first
686	if (1) {	884	if (1) {
…		…
699		897
700	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
701	}	899	}
702	}	900	}
703		901
704	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
705	my $data = $process->(\@data);	903	my $data = $process->(\@data);
706	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
707		905
708	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
709		907
710	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
711	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
712	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
713		911
…		…
723		921
724	=cut	922	=cut
725		923
726	sub datalog($@) {	924	sub datalog($@) {
727	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
728	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
729	}	927	}
730		928
731	=back	929	=back
732		930
733	=cut	931	=cut
…		…
928		1126
929	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
930	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
931		1129
932	} elsif (ref $type) {	1130	} elsif (ref $type) {
933	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
934		1132
935	} else {	1133	} else {
936	shift @arg;	1134	shift @arg;
937	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
938	}	1136	}
939	}	1137	}
940	}	1138	}
941		1139
942	sub _object_attach {	1140	sub _object_attach {
…		…
952	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
953	}	1151	}
954		1152
955	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
956	} else {	1154	} else {
957	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
958	}	1156	}
959		1157
960	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
961	}	1159	}
962		1160
…		…
1021		1219
1022	for (@$callbacks) {	1220	for (@$callbacks) {
1023	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
1024		1222
1025	if ($@) {	1223	if ($@) {
1026	warn "$@";
1027	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1028	override;	1225	override;
1029	}	1226	}
1030		1227
1031	return 1 if $override;	1228	return 1 if $override;
1032	}	1229	}
…		…
1111	for (@$attach) {	1308	for (@$attach) {
1112	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
1113	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
1114	}	1311	}
1115	} else {	1312	} else {
1116	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
1117	}	1314	}
1118	}	1315	}
1119	}	1316	}
1120		1317
1121	cf::attachable->attach (	1318	cf::attachable->attach (
…		…
1148	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1149		1346
1150	sync_job {	1347	sync_job {
1151	if (length $$rdata) {	1348	if (length $$rdata) {
1152	utf8::decode (my $decname = $filename);	1349	utf8::decode (my $decname = $filename);
1153	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1154	$decname, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1155		1353
1156	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1157	aio_chmod $fh, SAVE_MODE;	1355	aio_chmod $fh, SAVE_MODE;
1158	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1159	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	}
1160	aio_close $fh;	1361	aio_close $fh;
1161		1362
1162	if (@$objs) {	1363	if (@$objs) {
1163	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) {
1164	aio_chmod $fh, SAVE_MODE;	1365	aio_chmod $fh, SAVE_MODE;
1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1166	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1167	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	}
1168	aio_close $fh;	1372	aio_close $fh;
1169	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1170	}	1374	}
1171	} else {	1375	} else {
1172	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1173	}	1377	}
1174		1378
1175	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1176	} else {	1383	} else {
1177	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1178	}	1385	}
1179	} else {	1386	} else {
1180	aio_unlink $filename;	1387	aio_unlink $filename;
1181	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1182	}	1389	}
…		…
1206	my $st = eval { Coro::Storable::thaw $av };	1413	my $st = eval { Coro::Storable::thaw $av };
1207	$av = $st->{objs};	1414	$av = $st->{objs};
1208	}	1415	}
1209		1416
1210	utf8::decode (my $decname = $filename);	1417	utf8::decode (my $decname = $filename);
1211	warn sprintf "loading %s (%d,%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1212	$decname, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
1213		1421
1214	($data, $av)	1422	($data, $av)
1215	}	1423	}
1216		1424
1217	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
…		…
1221	=cut	1429	=cut
1222		1430
1223	#############################################################################	1431	#############################################################################
1224	# command handling &c	1432	# command handling &c
1225		1433
1226	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1227		1435
1228	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
1229	$name.	1437	$name.
1230		1438
1231	=cut	1439	=cut
…		…
1237	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1238		1446
1239	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1240	}	1448	}
1241		1449
1242	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1243		1451
1244	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1245	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
1246	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
1247	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
1248	has logged in successfully.	1456	has logged in successfully.
1249		1457
1250	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1251	called.
1252		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
1253	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1254		1466
1255	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1256	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
1257	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
1258	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
1259	log-in.	1471	log-in.
1260		1472
1261	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1262	called.
1263		1474
1264	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1265		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1266	sub register_extcmd {	1482	sub register_extcmd($$) {
1267	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1268		1484
1269	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1270	}	1486	}
1271		1487
1272	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1273	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1274		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1275	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1276	}	1498	}
1277		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1278	cf::player->attach (	1508	cf::player->attach (
1279	on_command => sub {	1509	on_unknown_command => sub {
1280	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1281		1511
1282	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1283	or return;	1513	or return;
1284		1514
…		…
1292	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1293		1523
1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1295		1525
1296	if (ref $msg) {	1526	if (ref $msg) {
1297	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1298	"ARRAY" eq ref $msg
1299	? @$msg
1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1301		1528
1302	my @reply;
1303
1304	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}) {
1305	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1306	}	1547	}
1307		1548
1308	$pl->ext_reply ($reply, @reply)
1309	if $reply;
1310
1311	} else {	1549	} else {
1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1313	}	1551	}
1314		1552
1315	cf::override;	1553	cf::override;
1316	},	1554	},
1317	);	1555	);
1318		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
1319	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1320	cf::sync_job {	1586	cf::sync_job {
1321	my %todo;	1587	my %todo;
1322		1588
1323	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1324	next unless -r $path;	1590	next unless -r $path;
…		…
1342		1608
1343	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1344	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1345		1611
1346	$ext{source} =	1612	$ext{source} =
1347	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1348	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1349	. $source	1615	. $source
1350	. "\n};\n1";	1616	. "\n};\n1";
1351		1617
1352	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1353	}	1619	}
1354		1620
		1621	my $pass = 0;
1355	my %done;	1622	my %done;
1356	while (%todo) {	1623	while (%todo) {
1357	my $progress;	1624	my $progress;
1358		1625
		1626	++$pass;
		1627
		1628	ext:
1359	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1360	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1361	goto skip	1631	next ext
1362	unless exists $done{$_};	1632	unless exists $done{$_};
1363	}	1633	}
1364		1634
1365	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1366		1636
1367	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 $@) {
1368	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1369	: "$v->{base}: extension inactive.\n";
1370		1650
1371	if (exists $v->{meta}{mandatory}) {
1372	warn $msg;
1373	cf::cleanup "mandatory extension failed to load, exiting.";	1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1374	}	1652	if exists $v->{meta}{mandatory};
1375		1653
1376	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;
1377	}	1663	}
1378
1379	$done{$k} = delete $todo{$k};
1380	push @EXTS, $v->{pkg};
1381	$progress = 1;
1382	}	1664	}
1383		1665
1384	skip:	1666	unless ($progress) {
1385	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1386	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	}
1387	}	1676	}
1388	};	1677	};
1389	}	1678	}
1390		1679
1391	#############################################################################	1680	#############################################################################
…		…
1475	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1476	}	1765	}
1477	}	1766	}
1478	}	1767	}
1479		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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
1480	sub save($) {	1782	sub save($) {
1481	my ($pl) = @_;	1783	my ($pl) = @_;
1482		1784
1483	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
1484		1786
…		…
1489		1791
1490	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1491	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1492		1794
1493	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];
1494		1799
1495	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1496	cf::cede_to_tick;	1801	cf::cede_to_tick;
1497	}	1802	}
1498		1803
…		…
1532	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1533		1838
1534	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1535	$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
1536		1841
1537	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1538	$pl->deactivate;	1843	$pl->deactivate;
		1844
1539	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;
1540	$pl->ob->check_score;
1541	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1542	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1543		1850
1544	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1545	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1546	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1600	\@logins	1907	\@logins
1601	}	1908	}
1602		1909
1603	=item $player->maps	1910	=item $player->maps
1604		1911
		1912	=item cf::player::maps $login
		1913
1605	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1606	player. May block.	1915	player. May block.
1607		1916
1608	=cut	1917	=cut
1609		1918
…		…
1630		1939
1631	=item $protocol_xml = $player->expand_cfpod ($cfpod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1632		1941
1633	Expand deliantra pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1634		1943
1635	=item $player->ext_reply ($msgid, @msg)
1636
1637	Sends an ext reply to the player.
1638
1639	=cut
1640
1641	sub ext_reply($$@) {
1642	my ($self, $id, @msg) = @_;
1643
1644	$self->ns->ext_reply ($id, @msg)
1645	}
1646
1647	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1648		1945
1649	Sends an ext event to the client.	1946	Sends an ext event to the client.
1650		1947
1651	=cut	1948	=cut
…		…
1670		1967
1671	=cut	1968	=cut
1672		1969
1673	sub find_by_path($) {	1970	sub find_by_path($) {
1674	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1675		1974
1676	my ($match, $specificity);	1975	my ($match, $specificity);
1677		1976
1678	for my $region (list) {	1977	for my $region (list) {
1679	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1708	sub generate_random_map {	2007	sub generate_random_map {
1709	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1710		2009
1711	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
1712		2011
1713	# mit "rum" bekleckern, nicht
1714	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1715	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1716	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1717	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1718	$rmp->{exit_on_final_map},
1719	$rmp->{xsize}, $rmp->{ysize},
1720	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1721	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1722	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1723	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1724	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1725	(cf::region::find $rmp->{region}), $rmp->{custom}
1726	)
1727	}	2013	}
1728		2014
1729	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1730		2016
1731	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
…		…
1736		2022
1737	sub register {	2023	sub register {
1738	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1739	my $pkg = caller;	2025	my $pkg = caller;
1740		2026
1741	no strict;
1742	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1743		2028
1744	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1745	}	2030	}
1746		2031
1747	# also paths starting with '/'	2032	# also paths starting with '/'
1748	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1749		2034
1750	sub thawer_merge {	2035	sub thawer_merge {
1751	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1752		2037
1753	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1758	}	2043	}
1759		2044
1760	sub normalise {	2045	sub normalise {
1761	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1762		2047
1763	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1764		2049
1765	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1766		2051
1767	# map plan:	2052	# map plan:
1768	#	2053	#
…		…
1783	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1784	$path = "$base/$path";	2069	$path = "$base/$path";
1785	}	2070	}
1786		2071
1787	for ($path) {	2072	for ($path) {
1788	redo if s{//}{/};
1789	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1790	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1791	}	2075	}
1792		2076
1793	$path	2077	$path
…		…
1807	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1808	return $self;	2092	return $self;
1809	}	2093	}
1810	}	2094	}
1811		2095
1812	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1813	()	2097	()
1814	}	2098	}
1815		2099
		2100	# may re-bless or do other evil things
1816	sub init {	2101	sub init {
1817	my ($self) = @_;	2102	my ($self) = @_;
1818		2103
1819	$self	2104	$self
1820	}	2105	}
…		…
1851		2136
1852	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1853	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1854	}	2139	}
1855		2140
1856	# and all this just because we cannot iterate over
1857	# all maps in C++...
1858	sub change_all_map_light {
1859	my ($change) = @_;
1860
1861	$_->change_map_light ($change)
1862	for grep $_->outdoor, values %cf::MAP;
1863	}
1864
1865	sub decay_objects {	2141	sub decay_objects {
1866	my ($self) = @_;	2142	my ($self) = @_;
1867		2143
1868	return if $self->{deny_reset};	2144	return if $self->{deny_reset};
1869		2145
…		…
1894	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1895		2171
1896	1	2172	1
1897	}	2173	}
1898		2174
		2175	# used to laod the header of an original map
1899	sub load_header_orig {	2176	sub load_header_orig {
1900	my ($self) = @_;	2177	my ($self) = @_;
1901		2178
1902	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1903	}	2180	}
1904		2181
		2182	# used to laod the header of an instantiated map
1905	sub load_header_temp {	2183	sub load_header_temp {
1906	my ($self) = @_;	2184	my ($self) = @_;
1907		2185
1908	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1909	}	2187	}
1910		2188
		2189	# called after loading the header from an instantiated map
1911	sub prepare_temp {	2190	sub prepare_temp {
1912	my ($self) = @_;	2191	my ($self) = @_;
1913		2192
1914	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1915	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1916	# safety	2195	# safety
1917	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1918	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1919	}	2198	}
1920		2199
		2200	# called after loading the header from an original map
1921	sub prepare_orig {	2201	sub prepare_orig {
1922	my ($self) = @_;	2202	my ($self) = @_;
1923		2203
1924	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1925	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1949		2229
1950	sub find;	2230	sub find;
1951	sub find {	2231	sub find {
1952	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1953		2233
		2234	cf::cede_to_tick;
		2235
1954	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1955		2237
1956	cf::lock_wait "map_data:$path";#d#remove	2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1957	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1958		2240
1959	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1960	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1961	my $guard2 = cf::lock_acquire "map_find:$path";
1962
1963	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1964	or return;	2243	or return;
1965		2244
1966	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1967		2246
…		…
1979		2258
1980	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1981	}	2260	}
1982	}	2261	}
1983		2262
1984	sub pre_load { }	2263	sub pre_load { }
1985	sub post_load { }	2264	#sub post_load { } # XS
1986		2265
1987	sub load {	2266	sub load {
1988	my ($self) = @_;	2267	my ($self) = @_;
1989		2268
1990	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1993		2272
1994	{	2273	{
1995	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1996		2275
1997	return unless $self->valid;	2276	return unless $self->valid;
1998	return unless $self->in_memory == cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1999
2000	$self->in_memory (cf::MAP_LOADING);
2001		2278
2002	$self->alloc;	2279	$self->alloc;
2003		2280
2004	$self->pre_load;	2281	$self->pre_load;
2005	cf::cede_to_tick;	2282	cf::cede_to_tick;
2006		2283
		2284	if (exists $self->{load_path}) {
2007	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
2008	$f->skip_block;	2286	$f->skip_block;
2009	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
2010	or return;	2288	or return;
2011		2289
2012	$self->post_load_original	2290	$self->post_load_original
2013	if delete $self->{load_original};	2291	if delete $self->{load_original};
2014		2292
2015	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
2016	utf8::encode $uniq;	2294	utf8::encode $uniq;
2017	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
2018	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
2019	$self->clear_unique_items;	2297	$self->clear_unique_items;
2020	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
2021	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
2022	}	2301	}
2023	}	2302	}
2024	}
2025		2303
2026	$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);
2027		2311
2028	cf::cede_to_tick;	2312	cf::cede_to_tick;
2029	# now do the right thing for maps	2313	# now do the right thing for maps
2030	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
2031	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
2035	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
2036	$self->decay_objects;	2320	$self->decay_objects;
2037	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
2038	$self->update_buttons;	2322	$self->update_buttons;
2039	cf::cede_to_tick;	2323	cf::cede_to_tick;
2040	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
2041	cf::cede_to_tick;
2042	$self->activate;
2043	}	2325	}
2044		2326
2045	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
2046	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
2047
2048	$self->in_memory (cf::MAP_ACTIVE);
2049	}	2329	}
2050		2330
2051	$self->post_load;	2331	$self->post_load;
2052	}
2053		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
2054	sub customise_for {	2339	sub customise_for {
2055	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
2056		2341
2057	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
2058	if $self->per_player;	2343	if $self->per_player;
…		…
2061	# if $self->per_party;	2346	# if $self->per_party;
2062		2347
2063	$self	2348	$self
2064	}	2349	}
2065		2350
2066	# find and load all maps in the 3x3 area around a map
2067	sub load_neighbours {
2068	my ($map) = @_;
2069
2070	my @neigh; # diagonal neighbours
2071
2072	for (0 .. 3) {
2073	my $neigh = $map->tile_path ($_)
2074	or next;
2075	$neigh = find $neigh, $map
2076	or next;
2077	$neigh->load;
2078
2079	push @neigh,
2080	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2081	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2082	}
2083
2084	for (grep defined $_->[0], @neigh) {
2085	my ($path, $origin) = @$_;
2086	my $neigh = find $path, $origin
2087	or next;
2088	$neigh->load;
2089	}
2090	}
2091
2092	sub find_sync {	2351	sub find_sync {
2093	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
2094		2353
2095	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, $origin
2096	}	2359	}
2097		2360
2098	sub do_load_sync {	2361	sub do_load_sync {
2099	my ($map) = @_;	2362	my ($map) = @_;
2100		2363
		2364	# it's a bug to call this from the main context
2101	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2102	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
2103		2367
2104	cf::sync_job { $map->load };	2368	$map->load;
2105	}	2369	}
2106		2370
2107	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
2108	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
2109		2373
2110	sub find_async {	2374	sub find_async {
2111	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
2112		2376
2113	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2114		2378
2115	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2116	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2380	return $map if !$load || $map->linkable;
2117	}	2381	}
2118		2382
2119	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2120		2384
2121	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
…		…
2135	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2136		2400
2137	()	2401	()
2138	}	2402	}
2139		2403
		2404	# common code, used by both ->save and ->swapout
2140	sub save {	2405	sub _save {
2141	my ($self) = @_;	2406	my ($self) = @_;
2142
2143	my $lock = cf::lock_acquire "map_data:$self->{path}";
2144		2407
2145	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2146		2409
2147	return unless $self->dirty;	2410	return unless $self->dirty;
2148		2411
…		…
2168	} else {	2431	} else {
2169	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2170	}	2433	}
2171	}	2434	}
2172		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2173	sub swap_out {	2444	sub swap_out {
2174	my ($self) = @_;	2445	my ($self) = @_;
2175		2446
2176	# save first because save cedes
2177	$self->save;
2178
2179	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2180		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2181	return if $self->players;	2451	return if $self->players;
2182	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
2183	return if $self->{deny_save};	2469	return 1e99 if $self->{deny_reset};
2184		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
2185	$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};
2186		2503
2187	$self->deactivate;	2504	$self->deactivate;
2188	$_->clear_links_to ($self) for values %cf::MAP;	2505	$_->clear_links_to ($self) for values %cf::MAP;
2189	$self->clear;	2506	$self->clear;
2190	}
2191
2192	sub reset_at {
2193	my ($self) = @_;
2194
2195	# TODO: safety, remove and allow resettable per-player maps
2196	return 1e99 if $self->{deny_reset};
2197
2198	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2199	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2200
2201	$time + $to
2202	}
2203
2204	sub should_reset {
2205	my ($self) = @_;
2206
2207	$self->reset_at <= $cf::RUNTIME
2208	}
2209
2210	sub reset {
2211	my ($self) = @_;
2212
2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
2214
2215	return if $self->players;
2216
2217	warn "resetting map ", $self->path;
2218
2219	$self->in_memory (cf::MAP_SWAPPED);
2220
2221	# need to save uniques path
2222	unless ($self->{deny_save}) {
2223	my $uniq = $self->uniq_path; utf8::encode $uniq;
2224
2225	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2226	if $uniq;
2227	}
2228
2229	delete $cf::MAP{$self->path};
2230
2231	$self->deactivate;
2232	$_->clear_links_to ($self) for values %cf::MAP;
2233	$self->clear;
2234		2507
2235	$self->unlink_save;	2508	$self->unlink_save;
2236	$self->destroy;	2509	$self->destroy;
2237	}	2510	}
2238		2511
…		…
2246		2519
2247	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2248		2521
2249	$self->unlink_save;	2522	$self->unlink_save;
2250		2523
2251	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2252	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2253	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2254	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2256		2529
…		…
2313	: normalise $_	2586	: normalise $_
2314	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2315	]	2588	]
2316	}	2589	}
2317		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
2318	=back	2623	=back
2319		2624
2320	=head3 cf::object	2625	=head3 cf::object
2321		2626
2322	=cut	2627	=cut
…		…
2345		2650
2346	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.
2347		2652
2348	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2349		2654
2350	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,
2351	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2352		2657
2353	=cut	2658	=cut
2354		2659
2355	sub deref {	2660	sub deref {
…		…
2387		2692
2388	our $SAY_CHANNEL = {	2693	our $SAY_CHANNEL = {
2389	id => "say",	2694	id => "say",
2390	title => "Map",	2695	title => "Map",
2391	reply => "say ",	2696	reply => "say ",
2392	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.",
2393	};	2698	};
2394		2699
2395	our $CHAT_CHANNEL = {	2700	our $CHAT_CHANNEL = {
2396	id => "chat",	2701	id => "chat",
2397	title => "Chat",	2702	title => "Chat",
…		…
2437	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
2438		2743
2439	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
2440	(e.g. "command_wizcast").	2745	(e.g. "command_wizcast").
2441		2746
		2747	This is implemented by checking a config setting of C<may_access> where
		2748	C<access> is replaced by the access string. The following alternatives are
		2749	possible (and are tested in order):
		2750
		2751	=over 4
		2752
		2753	=item * Player is DM
		2754
		2755	The request will succeed.
		2756
		2757	=item * may_access is an array reference
		2758
		2759	If either the player nickname or UUID is in the array, the request will
		2760	succeed, otherwise it will fail.
		2761
		2762	=item * may_access is a true value
		2763
		2764	The request will succeed.
		2765
		2766	=item * may_access is missing or false
		2767
		2768	The request will fail.
		2769
		2770	=back
		2771
2442	=cut	2772	=cut
2443		2773
2444	sub cf::object::player::may {	2774	sub cf::object::player::may {
2445	my ($self, $access) = @_;	2775	my ($self, $access) = @_;
2446		2776
2447	$self->flag (cf::FLAG_WIZ) ||	2777	$self->flag (cf::FLAG_WIZ) ||
2448	(ref $cf::CFG{"may_$access"}	2778	(ref $cf::CFG{"may_$access"}
2449	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2779	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2450	: $cf::CFG{"may_$access"})	2780	: $cf::CFG{"may_$access"})
2451	}	2781	}
2452		2782
2453	=item $player_object->enter_link	2783	=item $player_object->enter_link
2454		2784
2455	Freezes the player and moves him/her to a special map (C<{link}>).	2785	Freezes the player and moves him/her to a special map (C<{link}>).
2456		2786
2457	The player should be reasonably safe there for short amounts of time (e.g.	2787	The player should be reasonably safe there for short amounts of time (e.g.
2458	for loading a map). You I<MUST> call C<leave_link> as soon as possible,	2788	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2459	though, as the palyer cannot control the character while it is on the link	2789	though, as the player cannot control the character while it is on the link
2460	map.	2790	map.
2461		2791
2462	Will never block.	2792	Will never block.
2463		2793
2464	=item $player_object->leave_link ($map, $x, $y)	2794	=item $player_object->leave_link ($map, $x, $y)
…		…
2485	sub cf::object::player::enter_link {	2815	sub cf::object::player::enter_link {
2486	my ($self) = @_;	2816	my ($self) = @_;
2487		2817
2488	$self->deactivate_recursive;	2818	$self->deactivate_recursive;
2489		2819
		2820	++$self->{_link_recursion};
		2821
2490	return if UNIVERSAL::isa $self->map, "ext::map_link";	2822	return if UNIVERSAL::isa $self->map, "ext::map_link";
2491		2823
2492	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2824	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2493	if $self->map && $self->map->{path} ne "{link}";	2825	if $self->map && $self->map->{path} ne "{link}";
2494		2826
2495	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2827	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2496	}	2828	}
2497		2829
2498	sub cf::object::player::leave_link {	2830	sub cf::object::player::leave_link {
2499	my ($self, $map, $x, $y) = @_;	2831	my ($self, $map, $x, $y) = @_;
2500		2832
…		…
2517	($x, $y) = (-1, -1)	2849	($x, $y) = (-1, -1)
2518	unless (defined $x) && (defined $y);	2850	unless (defined $x) && (defined $y);
2519		2851
2520	# use -1 or undef as default coordinates, not 0, 0	2852	# use -1 or undef as default coordinates, not 0, 0
2521	($x, $y) = ($map->enter_x, $map->enter_y)	2853	($x, $y) = ($map->enter_x, $map->enter_y)
2522	if $x <=0 && $y <= 0;	2854	if $x <= 0 && $y <= 0;
2523		2855
2524	$map->load;	2856	$map->load;
2525	$map->load_neighbours;
2526		2857
2527	return unless $self->contr->active;	2858	return unless $self->contr->active;
2528	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2529	$self->activate_recursive;
2530		2859
2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2860	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2532	$self->enter_map ($map, $x, $y);	2861	if ($self->enter_map ($map, $x, $y)) {
2533	}	2862	# entering was successful
		2863	delete $self->{_link_recursion};
		2864	# only activate afterwards, to support waiting in hooks
		2865	$self->activate_recursive;
		2866	}
2534		2867
		2868	}
		2869
2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2870	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2536		2871
2537	Moves the player to the given map-path and coordinates by first freezing	2872	Moves the player to the given map-path and coordinates by first freezing
2538	her, loading and preparing them map, calling the provided $check callback	2873	her, loading and preparing them map, calling the provided $check callback
2539	that has to return the map if sucecssful, and then unfreezes the player on	2874	that has to return the map if sucecssful, and then unfreezes the player on
2540	the new (success) or old (failed) map position. In either case, $done will	2875	the new (success) or old (failed) map position. In either case, $done will
…		…
2547		2882
2548	our $GOTOGEN;	2883	our $GOTOGEN;
2549		2884
2550	sub cf::object::player::goto {	2885	sub cf::object::player::goto {
2551	my ($self, $path, $x, $y, $check, $done) = @_;	2886	my ($self, $path, $x, $y, $check, $done) = @_;
		2887
		2888	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2889	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2890	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2891	($path, $x, $y) = @$EMERGENCY_POSITION;
		2892	}
2552		2893
2553	# do generation counting so two concurrent goto's will be executed in-order	2894	# do generation counting so two concurrent goto's will be executed in-order
2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2895	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2555		2896
2556	$self->enter_link;	2897	$self->enter_link;
…		…
2576	($path, $x, $y) = (undef, undef, undef);	2917	($path, $x, $y) = (undef, undef, undef);
2577	}	2918	}
2578	}	2919	}
2579		2920
2580	my $map = eval {	2921	my $map = eval {
2581	my $map = defined $path ? cf::map::find $path : undef;	2922	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2582		2923
2583	if ($map) {	2924	if ($map) {
2584	$map = $map->customise_for ($self);	2925	$map = $map->customise_for ($self);
2585	$map = $check->($map) if $check && $map;	2926	$map = $check->($map, $x, $y, $self) if $check && $map;
2586	} else {	2927	} else {
2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2928	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2588	}	2929	}
2589		2930
2590	$map	2931	$map
…		…
2598	if ($gen == $self->{_goto_generation}) {	2939	if ($gen == $self->{_goto_generation}) {
2599	delete $self->{_goto_generation};	2940	delete $self->{_goto_generation};
2600	$self->leave_link ($map, $x, $y);	2941	$self->leave_link ($map, $x, $y);
2601	}	2942	}
2602		2943
2603	$done->() if $done;	2944	$done->($self) if $done;
2604	})->prio (1);	2945	})->prio (1);
2605	}	2946	}
2606		2947
2607	=item $player_object->enter_exit ($exit_object)	2948	=item $player_object->enter_exit ($exit_object)
2608		2949
…		…
2676	$Coro::current->{desc} = "enter_exit";	3017	$Coro::current->{desc} = "enter_exit";
2677		3018
2678	unless (eval {	3019	unless (eval {
2679	$self->deactivate_recursive; # just to be sure	3020	$self->deactivate_recursive; # just to be sure
2680		3021
2681	# random map handling
2682	{
2683	my $guard = cf::lock_acquire "exit_prepare:$exit";
2684
2685	prepare_random_map $exit
2686	if $exit->slaying eq "/!";
2687	}
2688
2689	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	3022	my $map = cf::map::normalise $exit->slaying, $exit->map;
2690	my $x = $exit->stats->hp;	3023	my $x = $exit->stats->hp;
2691	my $y = $exit->stats->sp;	3024	my $y = $exit->stats->sp;
		3025
		3026	# special map handling
		3027	my $slaying = $exit->slaying;
		3028
		3029	# special map handling
		3030	if ($slaying eq "/!") {
		3031	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3032
		3033	prepare_random_map $exit
		3034	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3035
		3036	$map = $exit->slaying;
		3037
		3038	} elsif ($slaying eq '!up') {
		3039	$map = $exit->map->tile_path (cf::TILE_UP);
		3040	$x = $exit->x;
		3041	$y = $exit->y;
		3042
		3043	} elsif ($slaying eq '!down') {
		3044	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3045	$x = $exit->x;
		3046	$y = $exit->y;
		3047	}
2692		3048
2693	$self->goto ($map, $x, $y);	3049	$self->goto ($map, $x, $y);
2694		3050
2695	# if exit is damned, update players death & WoR home-position	3051	# if exit is damned, update players death & WoR home-position
2696	$self->contr->savebed ($map, $x, $y)	3052	$self->contr->savebed ($map, $x, $y)
…		…
2701	$self->message ("Something went wrong deep within the deliantra server. "	3057	$self->message ("Something went wrong deep within the deliantra server. "
2702	. "I'll try to bring you back to the map you were before. "	3058	. "I'll try to bring you back to the map you were before. "
2703	. "Please report this to the dungeon master!",	3059	. "Please report this to the dungeon master!",
2704	cf::NDI_UNIQUE | cf::NDI_RED);	3060	cf::NDI_UNIQUE | cf::NDI_RED);
2705		3061
2706	warn "ERROR in enter_exit: $@";	3062	error "ERROR in enter_exit: $@";
2707	$self->leave_link;	3063	$self->leave_link;
2708	}	3064	}
2709	})->prio (1);	3065	})->prio (1);
2710	}	3066	}
2711		3067
2712	=head3 cf::client	3068	=head3 cf::client
2713		3069
2714	=over 4	3070	=over 4
2715		3071
2716	=item $client->send_drawinfo ($text, $flags)	3072	=item $client->send_big_packet ($pkt)
2717		3073
2718	Sends a drawinfo packet to the client. Circumvents output buffering so	3074	Like C<send_packet>, but tries to compress large packets, and fragments
2719	should not be used under normal circumstances.	3075	them as required.
2720		3076
2721	=cut	3077	=cut
2722		3078
		3079	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3080
2723	sub cf::client::send_drawinfo {	3081	sub cf::client::send_big_packet {
2724	my ($self, $text, $flags) = @_;	3082	my ($self, $pkt) = @_;
2725		3083
2726	utf8::encode $text;	3084	# try lzf for large packets
2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3085	$pkt = "lzf " . Compress::LZF::compress $pkt
		3086	if 1024 <= length $pkt and $self->{can_lzf};
		3087
		3088	# split very large packets
		3089	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3090	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3091	$pkt = "frag";
		3092	}
		3093
		3094	$self->send_packet ($pkt);
2728	}	3095	}
2729		3096
2730	=item $client->send_msg ($channel, $msg, $color, [extra...])	3097	=item $client->send_msg ($channel, $msg, $color, [extra...])
2731		3098
2732	Send a drawinfo or msg packet to the client, formatting the msg for the	3099	Send a msg packet to the client, formatting the msg for the client if
2733	client if neccessary. C<$type> should be a string identifying the type of	3100	necessary. C<$type> should be a string identifying the type of the
2734	the message, with C<log> being the default. If C<$color> is negative, suppress	3101	message, with C<log> being the default. If C<$color> is negative, suppress
2735	the message unless the client supports the msg packet.	3102	the message unless the client supports the msg packet.
2736		3103
2737	=cut	3104	=cut
2738		3105
2739	# non-persistent channels (usually the info channel)	3106	# non-persistent channels (usually the info channel)
2740	our %CHANNEL = (	3107	our %CHANNEL = (
		3108	"c/motd" => {
		3109	id => "infobox",
		3110	title => "MOTD",
		3111	reply => undef,
		3112	tooltip => "The message of the day",
		3113	},
2741	"c/identify" => {	3114	"c/identify" => {
2742	id => "infobox",	3115	id => "infobox",
2743	title => "Identify",	3116	title => "Identify",
2744	reply => undef,	3117	reply => undef,
2745	tooltip => "Items recently identified",	3118	tooltip => "Items recently identified",
…		…
2747	"c/examine" => {	3120	"c/examine" => {
2748	id => "infobox",	3121	id => "infobox",
2749	title => "Examine",	3122	title => "Examine",
2750	reply => undef,	3123	reply => undef,
2751	tooltip => "Signs and other items you examined",	3124	tooltip => "Signs and other items you examined",
		3125	},
		3126	"c/shopinfo" => {
		3127	id => "infobox",
		3128	title => "Shop Info",
		3129	reply => undef,
		3130	tooltip => "What your bargaining skill tells you about the shop",
2752	},	3131	},
2753	"c/book" => {	3132	"c/book" => {
2754	id => "infobox",	3133	id => "infobox",
2755	title => "Book",	3134	title => "Book",
2756	reply => undef,	3135	reply => undef,
…		…
2772	id => "infobox",	3151	id => "infobox",
2773	title => "Body Parts",	3152	title => "Body Parts",
2774	reply => undef,	3153	reply => undef,
2775	tooltip => "Shows which body parts you posess and are available",	3154	tooltip => "Shows which body parts you posess and are available",
2776	},	3155	},
		3156	"c/statistics" => {
		3157	id => "infobox",
		3158	title => "Statistics",
		3159	reply => undef,
		3160	tooltip => "Shows your primary statistics",
		3161	},
2777	"c/skills" => {	3162	"c/skills" => {
2778	id => "infobox",	3163	id => "infobox",
2779	title => "Skills",	3164	title => "Skills",
2780	reply => undef,	3165	reply => undef,
2781	tooltip => "Shows your experience per skill and item power",	3166	tooltip => "Shows your experience per skill and item power",
		3167	},
		3168	"c/shopitems" => {
		3169	id => "infobox",
		3170	title => "Shop Items",
		3171	reply => undef,
		3172	tooltip => "Shows the items currently for sale in this shop",
		3173	},
		3174	"c/resistances" => {
		3175	id => "infobox",
		3176	title => "Resistances",
		3177	reply => undef,
		3178	tooltip => "Shows your resistances",
		3179	},
		3180	"c/pets" => {
		3181	id => "infobox",
		3182	title => "Pets",
		3183	reply => undef,
		3184	tooltip => "Shows information abotu your pets/a specific pet",
		3185	},
		3186	"c/perceiveself" => {
		3187	id => "infobox",
		3188	title => "Perceive Self",
		3189	reply => undef,
		3190	tooltip => "You gained detailed knowledge about yourself",
2782	},	3191	},
2783	"c/uptime" => {	3192	"c/uptime" => {
2784	id => "infobox",	3193	id => "infobox",
2785	title => "Uptime",	3194	title => "Uptime",
2786	reply => undef,	3195	reply => undef,
…		…
2796	id => "party",	3205	id => "party",
2797	title => "Party",	3206	title => "Party",
2798	reply => "gsay ",	3207	reply => "gsay ",
2799	tooltip => "Messages and chat related to your party",	3208	tooltip => "Messages and chat related to your party",
2800	},	3209	},
		3210	"c/death" => {
		3211	id => "death",
		3212	title => "Death",
		3213	reply => undef,
		3214	tooltip => "Reason for and more info about your most recent death",
		3215	},
		3216	"c/fatal" => {
		3217	id => "fatal",
		3218	title => "Fatal Error",
		3219	reply => undef,
		3220	tooltip => "Reason for the server disconnect",
		3221	},
		3222	"c/say" => $SAY_CHANNEL,
		3223	"c/chat" => $CHAT_CHANNEL,
2801	);	3224	);
2802		3225
2803	sub cf::client::send_msg {	3226	sub cf::client::send_msg {
2804	my ($self, $channel, $msg, $color, @extra) = @_;	3227	my ($self, $channel, $msg, $color, @extra) = @_;
2805		3228
…		…
2810		3233
2811	# check predefined channels, for the benefit of C	3234	# check predefined channels, for the benefit of C
2812	if ($CHANNEL{$channel}) {	3235	if ($CHANNEL{$channel}) {
2813	$channel = $CHANNEL{$channel};	3236	$channel = $CHANNEL{$channel};
2814		3237
2815	$self->ext_msg (channel_info => $channel)	3238	$self->ext_msg (channel_info => $channel);
2816	if $self->can_msg;
2817
2818	$channel = $channel->{id};	3239	$channel = $channel->{id};
2819		3240
2820	} elsif (ref $channel) {	3241	} elsif (ref $channel) {
2821	# send meta info to client, if not yet sent	3242	# send meta info to client, if not yet sent
2822	unless (exists $self->{channel}{$channel->{id}}) {	3243	unless (exists $self->{channel}{$channel->{id}}) {
2823	$self->{channel}{$channel->{id}} = $channel;	3244	$self->{channel}{$channel->{id}} = $channel;
2824	$self->ext_msg (channel_info => $channel)	3245	$self->ext_msg (channel_info => $channel);
2825	if $self->can_msg;
2826	}	3246	}
2827		3247
2828	$channel = $channel->{id};	3248	$channel = $channel->{id};
2829	}	3249	}
2830		3250
2831	return unless @extra || length $msg;	3251	return unless @extra || length $msg;
2832		3252
2833	if ($self->can_msg) {
2834	# default colour, mask it out	3253	# default colour, mask it out
2835	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3254	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2836	if $color & cf::NDI_DEF;	3255	if $color & cf::NDI_DEF;
2837		3256
2838	my $pkt = "msg "	3257	my $pkt = "msg "
2839	. $self->{json_coder}->encode (	3258	. $self->{json_coder}->encode (
2840	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	3259	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2841	);	3260	);
2842		3261
2843	# try lzf for large packets
2844	$pkt = "lzf " . Compress::LZF::compress $pkt
2845	if 1024 <= length $pkt and $self->{can_lzf};
2846
2847	# split very large packets
2848	if (8192 < length $pkt and $self->{can_lzf}) {
2849	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2850	$pkt = "frag";
2851	}
2852
2853	$self->send_packet ($pkt);	3262	$self->send_big_packet ($pkt);
2854	} else {
2855	if ($color >= 0) {
2856	# replace some tags by gcfclient-compatible ones
2857	for ($msg) {
2858	1 while
2859	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2860	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2861	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2862	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2863	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2864	}
2865
2866	$color &= cf::NDI_COLOR_MASK;
2867
2868	utf8::encode $msg;
2869
2870	if (0 && $msg =~ /\[/) {
2871	# COMMAND/INFO
2872	$self->send_packet ("drawextinfo $color 10 8 $msg")
2873	} else {
2874	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2875	$self->send_packet ("drawinfo $color $msg")
2876	}
2877	}
2878	}
2879	}	3263	}
2880		3264
2881	=item $client->ext_msg ($type, @msg)	3265	=item $client->ext_msg ($type, @msg)
2882		3266
2883	Sends an ext event to the client.	3267	Sends an ext event to the client.
…		…
2885	=cut	3269	=cut
2886		3270
2887	sub cf::client::ext_msg($$@) {	3271	sub cf::client::ext_msg($$@) {
2888	my ($self, $type, @msg) = @_;	3272	my ($self, $type, @msg) = @_;
2889		3273
2890	if ($self->extcmd == 2) {
2891	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3274	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2892	} elsif ($self->extcmd == 1) { # TODO: remove
2893	push @msg, msgtype => "event_$type";
2894	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2895	}
2896	}
2897
2898	=item $client->ext_reply ($msgid, @msg)
2899
2900	Sends an ext reply to the client.
2901
2902	=cut
2903
2904	sub cf::client::ext_reply($$@) {
2905	my ($self, $id, @msg) = @_;
2906
2907	if ($self->extcmd == 2) {
2908	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2909	} elsif ($self->extcmd == 1) {
2910	#TODO: version 1, remove
2911	unshift @msg, msgtype => "reply", msgid => $id;
2912	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2913	}
2914	}	3275	}
2915		3276
2916	=item $success = $client->query ($flags, "text", \&cb)	3277	=item $success = $client->query ($flags, "text", \&cb)
2917		3278
2918	Queues a query to the client, calling the given callback with	3279	Queues a query to the client, calling the given callback with
…		…
2938		3299
2939	$self->send_packet ($self->{query_queue}[0][0])	3300	$self->send_packet ($self->{query_queue}[0][0])
2940	if @{ $self->{query_queue} } == 1;	3301	if @{ $self->{query_queue} } == 1;
2941		3302
2942	1	3303	1
		3304	}
		3305
		3306	=item $client->update_command_faces
		3307
		3308	=cut
		3309
		3310	our %COMMAND_FACE;
		3311
		3312	sub cf::client::update_command_faces {
		3313	my ($self) = @_;
		3314
		3315	my @faces = grep $_,
		3316	$COMMAND_FACE{preferred},
		3317	$COMMAND_FACE{standard},
		3318	$COMMAND_FACE{skill},
		3319	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3320	$COMMAND_FACE{emote},
		3321	;
		3322
		3323	$self->send_face ($_)
		3324	for @faces;
		3325	$self->flush_fx;
		3326
		3327	$self->ext_msg (command_list => @faces);
		3328	}
		3329
		3330	=item cf::client::set_command_face $type, $commands
		3331
		3332	=cut
		3333
		3334	sub cf::client::set_command_face {
		3335	my ($type, $list) = @_;
		3336
		3337	my $idx = &cf::face::set ( #d# ugly forward reference
		3338	"command_list/$type" => cf::FT_RSRC,
		3339	JSON::XS->new->utf8->encode ([ sort @$list ])
		3340	);
		3341
		3342	$COMMAND_FACE{$type} = $idx;
2943	}	3343	}
2944		3344
2945	cf::client->attach (	3345	cf::client->attach (
2946	on_connect => sub {	3346	on_connect => sub {
2947	my ($ns) = @_;	3347	my ($ns) = @_;
…		…
2973	my ($ns, $buf) = @_;	3373	my ($ns, $buf) = @_;
2974		3374
2975	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3375	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2976		3376
2977	if (ref $msg) {	3377	if (ref $msg) {
2978	my ($type, $reply, @payload) =	3378	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2979	"ARRAY" eq ref $msg
2980	? @$msg
2981	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2982		3379
2983	my @reply;
2984
2985	if (my $cb = $EXTICMD{$type}) {	3380	if (my $cb = $EXTIACMD{$type}) {
		3381	$cb->(
		3382	$ns,
		3383	sub {
		3384	$ns->ext_msg ("reply-$reply", @_)
		3385	if $reply;
		3386	},
		3387	@payload
		3388	);
		3389	} else {
		3390	my @reply;
		3391
		3392	if (my $cb = $EXTICMD{$type}) {
2986	@reply = $cb->($ns, @payload);	3393	@reply = $cb->($ns, @payload);
		3394	}
		3395
		3396	$ns->ext_msg ("reply-$reply", @reply)
		3397	if $reply;
2987	}	3398	}
2988
2989	$ns->ext_reply ($reply, @reply)
2990	if $reply;
2991
2992	} else {	3399	} else {
2993	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3400	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2994	}	3401	}
2995		3402
2996	cf::override;	3403	cf::override;
2997	},	3404	},
2998	);	3405	);
…		…
3018		3425
3019	$coro	3426	$coro
3020	}	3427	}
3021		3428
3022	cf::client->attach (	3429	cf::client->attach (
3023	on_destroy => sub {	3430	on_client_destroy => sub {
3024	my ($ns) = @_;	3431	my ($ns) = @_;
3025		3432
3026	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3433	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3027	},	3434	},
3028	);	3435	);
…		…
3044	our $safe_hole = new Safe::Hole;	3451	our $safe_hole = new Safe::Hole;
3045		3452
3046	$SIG{FPE} = 'IGNORE';	3453	$SIG{FPE} = 'IGNORE';
3047		3454
3048	$safe->permit_only (Opcode::opset qw(	3455	$safe->permit_only (Opcode::opset qw(
3049	:base_core :base_mem :base_orig :base_math	3456	:base_core :base_mem :base_orig :base_math :base_loop
3050	grepstart grepwhile mapstart mapwhile	3457	grepstart grepwhile mapstart mapwhile
3051	sort time	3458	sort time
3052	));	3459	));
3053		3460
3054	# here we export the classes and methods available to script code	3461	# here we export the classes and methods available to script code
…		…
3058	The following functions and methods are available within a safe environment:	3465	The following functions and methods are available within a safe environment:
3059		3466
3060	cf::object	3467	cf::object
3061	contr pay_amount pay_player map x y force_find force_add destroy	3468	contr pay_amount pay_player map x y force_find force_add destroy
3062	insert remove name archname title slaying race decrease split	3469	insert remove name archname title slaying race decrease split
		3470	value
3063		3471
3064	cf::object::player	3472	cf::object::player
3065	player	3473	player
3066		3474
3067	cf::player	3475	cf::player
…		…
3073	=cut	3481	=cut
3074		3482
3075	for (	3483	for (
3076	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3484	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3077	insert remove inv nrof name archname title slaying race	3485	insert remove inv nrof name archname title slaying race
3078	decrease split destroy change_exp)],	3486	decrease split destroy change_exp value msg lore send_msg)],
3079	["cf::object::player" => qw(player)],	3487	["cf::object::player" => qw(player)],
3080	["cf::player" => qw(peaceful)],	3488	["cf::player" => qw(peaceful send_msg)],
3081	["cf::map" => qw(trigger)],	3489	["cf::map" => qw(trigger)],
3082	) {	3490	) {
3083	no strict 'refs';
3084	my ($pkg, @funs) = @$_;	3491	my ($pkg, @funs) = @$_;
3085	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3492	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3086	for @funs;	3493	for @funs;
3087	}	3494	}
3088		3495
…		…
3103		3510
3104	my $qcode = $code;	3511	my $qcode = $code;
3105	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3512	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3106	$qcode =~ s/\n/\\n/g;	3513	$qcode =~ s/\n/\\n/g;
3107		3514
		3515	%vars = (_dummy => 0) unless %vars;
		3516
		3517	my @res;
3108	local $_;	3518	local $_;
3109	local @safe::cf::_safe_eval_args = values %vars;
3110		3519
3111	my $eval =	3520	my $eval =
3112	"do {\n"	3521	"do {\n"
3113	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3522	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3114	. "#line 0 \"{$qcode}\"\n"	3523	. "#line 0 \"{$qcode}\"\n"
3115	. $code	3524	. $code
3116	. "\n}"	3525	. "\n}"
3117	;	3526	;
3118		3527
		3528	if ($CFG{safe_eval}) {
3119	sub_generation_inc;	3529	sub_generation_inc;
		3530	local @safe::cf::_safe_eval_args = values %vars;
3120	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3531	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3121	sub_generation_inc;	3532	sub_generation_inc;
		3533	} else {
		3534	local @cf::_safe_eval_args = values %vars;
		3535	@res = wantarray ? eval eval : scalar eval $eval;
		3536	}
3122		3537
3123	if ($@) {	3538	if ($@) {
3124	warn "$@";	3539	warn "$@",
3125	warn "while executing safe code '$code'\n";	3540	"while executing safe code '$code'\n",
3126	warn "with arguments " . (join " ", %vars) . "\n";	3541	"with arguments " . (join " ", %vars) . "\n";
3127	}	3542	}
3128		3543
3129	wantarray ? @res : $res[0]	3544	wantarray ? @res : $res[0]
3130	}	3545	}
3131		3546
…		…
3145	=cut	3560	=cut
3146		3561
3147	sub register_script_function {	3562	sub register_script_function {
3148	my ($fun, $cb) = @_;	3563	my ($fun, $cb) = @_;
3149		3564
3150	no strict 'refs';	3565	$fun = "safe::$fun" if $CFG{safe_eval};
3151	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3566	*$fun = $safe_hole->wrap ($cb);
3152	}	3567	}
3153		3568
3154	=back	3569	=back
3155		3570
3156	=cut	3571	=cut
3157		3572
3158	#############################################################################	3573	#############################################################################
3159	# the server's init and main functions	3574	# the server's init and main functions
3160		3575
		3576	{
		3577	package cf::face;
		3578
		3579	our %HASH; # hash => idx
		3580	our @DATA; # dynamically-created facedata, only faceste 0 used
		3581	our @FOFS; # file offset, if > 0
		3582	our @SIZE; # size of face, in octets
		3583	our @META; # meta hash of face, if any
		3584	our $DATAFH; # facedata filehandle
		3585
		3586	# internal api, not finalised
		3587	sub set {
		3588	my ($name, $type, $data) = @_;
		3589
		3590	my $idx = cf::face::find $name;
		3591
		3592	if ($idx) {
		3593	delete $HASH{cf::face::get_csum $idx};
		3594	} else {
		3595	$idx = cf::face::alloc $name;
		3596	}
		3597
		3598	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3599
		3600	cf::face::set_type $idx, $type;
		3601	cf::face::set_csum $idx, 0, $hash;
		3602
		3603	# we need to destroy the SV itself, not just modify it, as a running ix
		3604	# might hold a reference to it: "delete" achieves that.
		3605	delete $FOFS[0][$idx];
		3606	delete $DATA[0][$idx];
		3607	$DATA[0][$idx] = $data;
		3608	$SIZE[0][$idx] = length $data;
		3609	delete $META[$idx];
		3610	$HASH{$hash} = $idx;#d#
		3611
		3612	$idx
		3613	}
		3614
		3615	sub _get_data($$$) {
		3616	my ($idx, $set, $cb) = @_;
		3617
		3618	if (defined $DATA[$set][$idx]) {
		3619	$cb->($DATA[$set][$idx]);
		3620	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3621	my $size = $SIZE[$set][$idx];
		3622	my $buf;
		3623	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3624	if ($_[0] == $size) {
		3625	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3626	$cb->($buf);
		3627	} else {
		3628	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3629	}
		3630	};
		3631	} else {
		3632	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3633	}
		3634	}
		3635
		3636	# rather ineffient
		3637	sub cf::face::get_data($;$) {
		3638	my ($idx, $set) = @_;
		3639
		3640	_get_data $idx, $set, Coro::rouse_cb;
		3641	Coro::rouse_wait
		3642	}
		3643
		3644	sub cf::face::ix {
		3645	my ($ns, $set, $idx, $pri) = @_;
		3646
		3647	_get_data $idx, $set, sub {
		3648	$ns->ix_send ($idx, $pri, $_[0]);
		3649	};
		3650	}
		3651	}
		3652
3161	sub load_facedata($) {	3653	sub load_facedata($) {
3162	my ($path) = @_;	3654	my ($path) = @_;
3163		3655
3164	# HACK to clear player env face cache, we need some signal framework
3165	# for this (global event?)
3166	%ext::player_env::MUSIC_FACE_CACHE = ();
3167
3168	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3656	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3169		3657
3170	warn "loading facedata from $path\n";	3658	trace "loading facedata from $path\n";
3171		3659
3172	my $facedata;	3660	my $facedata = decode_storable load_file "$path/faceinfo";
3173	0 < aio_load $path, $facedata
3174	or die "$path: $!";
3175
3176	$facedata = Coro::Storable::thaw $facedata;
3177		3661
3178	$facedata->{version} == 2	3662	$facedata->{version} == 2
3179	or cf::cleanup "$path: version mismatch, cannot proceed.";	3663	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3180		3664
3181	# patch in the exptable	3665	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3182	$facedata->{resource}{"res/exp_table"} = {	3666	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3183	type => FT_RSRC,	3667
3184	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3668	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3185	};	3669
3186	cf::cede_to_tick;	3670	# BEGIN ATOMIC
		3671	# from here on, everything must be atomic - no thread switch allowed
		3672	my $t1 = EV::time;
3187		3673
3188	{	3674	{
3189	my $faces = $facedata->{faceinfo};	3675	my $faces = $facedata->{faceinfo};
3190		3676
3191	while (my ($face, $info) = each %$faces) {	3677	for my $face (sort keys %$faces) {
		3678	my $info = $faces->{$face};
3192	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3679	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3193		3680
3194	cf::face::set_visibility $idx, $info->{visibility};	3681	cf::face::set_visibility $idx, $info->{visibility};
3195	cf::face::set_magicmap $idx, $info->{magicmap};	3682	cf::face::set_magicmap $idx, $info->{magicmap};
3196	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3683	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3197	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3684	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3198		3685	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3199	cf::cede_to_tick;	3686	$cf::face::HASH{$info->{hash64}} = $idx;
		3687	delete $cf::face::META[$idx];
3200	}	3688	}
3201		3689
3202	while (my ($face, $info) = each %$faces) {	3690	while (my ($face, $info) = each %$faces) {
3203	next unless $info->{smooth};	3691	next unless $info->{smooth};
3204		3692
…		…
3207		3695
3208	if (my $smooth = cf::face::find $info->{smooth}) {	3696	if (my $smooth = cf::face::find $info->{smooth}) {
3209	cf::face::set_smooth $idx, $smooth;	3697	cf::face::set_smooth $idx, $smooth;
3210	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3698	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3211	} else {	3699	} else {
3212	warn "smooth face '$info->{smooth}' not found for face '$face'";	3700	error "smooth face '$info->{smooth}' not found for face '$face'";
3213	}	3701	}
3214
3215	cf::cede_to_tick;
3216	}	3702	}
3217	}	3703	}
3218		3704
3219	{	3705	{
3220	my $anims = $facedata->{animinfo};	3706	my $anims = $facedata->{animinfo};
3221		3707
3222	while (my ($anim, $info) = each %$anims) {	3708	while (my ($anim, $info) = each %$anims) {
3223	cf::anim::set $anim, $info->{frames}, $info->{facings};	3709	cf::anim::set $anim, $info->{frames}, $info->{facings};
3224	cf::cede_to_tick;
3225	}	3710	}
3226		3711
3227	cf::anim::invalidate_all; # d'oh	3712	cf::anim::invalidate_all; # d'oh
3228	}	3713	}
3229		3714
3230	{	3715	{
3231	# TODO: for gcfclient pleasure, we should give resources
3232	# that gcfclient doesn't grok a >10000 face index.
3233	my $res = $facedata->{resource};	3716	my $res = $facedata->{resource};
3234		3717
3235	while (my ($name, $info) = each %$res) {	3718	while (my ($name, $info) = each %$res) {
3236	if (defined $info->{type}) {	3719	if (defined (my $type = $info->{type})) {
		3720	# TODO: different hash - must free and use new index, or cache ixface data queue
3237	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3721	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3238	my $data;
3239		3722
3240	if ($info->{type} & 1) {
3241	# prepend meta info
3242
3243	my $meta = $enc->encode ({
3244	name => $name,
3245	%{ $info->{meta} || {} },
3246	});
3247
3248	$data = pack "(w/a*)*", $meta, $info->{data};
3249	} else {
3250	$data = $info->{data};
3251	}
3252
3253	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3254	cf::face::set_type $idx, $info->{type};	3723	cf::face::set_type $idx, $type;
		3724	cf::face::set_csum $idx, 0, $info->{hash};
		3725	$cf::face::SIZE[0][$idx] = $info->{size};
		3726	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3727	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3728	$cf::face::HASH{$info->{hash}} = $idx;
3255	} else {	3729	} else {
3256	$RESOURCE{$name} = $info;	3730	# $RESOURCE{$name} = $info; # unused
3257	}	3731	}
3258
3259	cf::cede_to_tick;
3260	}	3732	}
3261	}	3733	}
		3734
		3735	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3736
		3737	# HACK to clear player env face cache, we need some signal framework
		3738	# for this (global event?)
		3739	%ext::player_env::MUSIC_FACE_CACHE = ();
		3740
		3741	# END ATOMIC
		3742
		3743	cf::debug "facedata atomic update time ", EV::time - $t1;
3262		3744
3263	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3745	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3264		3746
		3747	aio_close $fh if $fh; # close old facedata
		3748
3265	1	3749	1
3266	}	3750	}
3267
3268	cf::global->attach (on_resource_update => sub {
3269	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3270	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3271
3272	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3273	my $sound = $soundconf->{compat}[$_]
3274	or next;
3275
3276	my $face = cf::face::find "sound/$sound->[1]";
3277	cf::sound::set $sound->[0] => $face;
3278	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3279	}
3280
3281	while (my ($k, $v) = each %{$soundconf->{event}}) {
3282	my $face = cf::face::find "sound/$v";
3283	cf::sound::set $k => $face;
3284	}
3285	}
3286	});
3287		3751
3288	register_exticmd fx_want => sub {	3752	register_exticmd fx_want => sub {
3289	my ($ns, $want) = @_;	3753	my ($ns, $want) = @_;
3290		3754
3291	while (my ($k, $v) = each %$want) {	3755	while (my ($k, $v) = each %$want) {
…		…
3299	my $status = load_resource_file_ $_[0];	3763	my $status = load_resource_file_ $_[0];
3300	get_slot 0.1, 100;	3764	get_slot 0.1, 100;
3301	cf::arch::commit_load;	3765	cf::arch::commit_load;
3302		3766
3303	$status	3767	$status
		3768	}
		3769
		3770	sub reload_exp_table {
		3771	_reload_exp_table;
		3772
		3773	cf::face::set
		3774	"res/exp_table" => FT_RSRC,
		3775	JSON::XS->new->utf8->canonical->encode (
		3776	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3777	);
		3778	}
		3779
		3780	sub reload_materials {
		3781	_reload_materials;
3304	}	3782	}
3305		3783
3306	sub reload_regions {	3784	sub reload_regions {
3307	# HACK to clear player env face cache, we need some signal framework	3785	# HACK to clear player env face cache, we need some signal framework
3308	# for this (global event?)	3786	# for this (global event?)
…		…
3316	if exists $_->{match};	3794	if exists $_->{match};
3317	}	3795	}
3318	}	3796	}
3319		3797
3320	sub reload_facedata {	3798	sub reload_facedata {
3321	load_facedata "$DATADIR/facedata"	3799	load_facedata $DATADIR
3322	or die "unable to load facedata\n";	3800	or die "unable to load facedata\n";
3323	}	3801	}
3324		3802
3325	sub reload_archetypes {	3803	sub reload_archetypes {
3326	load_resource_file "$DATADIR/archetypes"	3804	load_resource_file "$DATADIR/archetypes"
3327	or die "unable to load archetypes\n";	3805	or die "unable to load archetypes\n";
		3806
		3807	cf::face::set
		3808	"res/skill_info" => FT_RSRC,
		3809	JSON::XS->new->utf8->canonical->encode (
		3810	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3811	);
		3812
		3813	cf::face::set
		3814	"res/spell_paths" => FT_RSRC,
		3815	JSON::XS->new->utf8->canonical->encode (
		3816	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3817	);
		3818
		3819	# command completion
		3820	my @commands;
		3821
		3822	for (0..cf::arch::skillvec_size - 1) {
		3823	my $skill = cf::arch::skillvec $_;
		3824	my $name = $skill->name;
		3825	my $flags = cf::skill_flags $skill->subtype;
		3826
		3827	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3828	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3829	}
		3830
		3831	cf::client::set_command_face skill => \@commands;
3328	}	3832	}
3329		3833
3330	sub reload_treasures {	3834	sub reload_treasures {
3331	load_resource_file "$DATADIR/treasures"	3835	load_resource_file "$DATADIR/treasures"
3332	or die "unable to load treasurelists\n";	3836	or die "unable to load treasurelists\n";
3333	}	3837	}
3334		3838
		3839	sub reload_sound {
		3840	trace "loading sound config from $DATADIR/sound\n";
		3841
		3842	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3843
		3844	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3845	my $sound = $soundconf->{compat}[$_]
		3846	or next;
		3847
		3848	my $face = cf::face::find "sound/$sound->[1]";
		3849	cf::sound::set $sound->[0] => $face;
		3850	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3851	}
		3852
		3853	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3854	my $face = cf::face::find "sound/$v";
		3855	cf::sound::set $k => $face;
		3856	}
		3857	}
		3858
3335	sub reload_resources {	3859	sub reload_resources {
3336	warn "reloading resource files...\n";	3860	trace "reloading resource files...\n";
3337		3861
		3862	reload_materials;
3338	reload_facedata;	3863	reload_facedata;
		3864	reload_exp_table;
		3865	reload_sound;
3339	reload_archetypes;	3866	reload_archetypes;
3340	reload_regions;	3867	reload_regions;
3341	reload_treasures;	3868	reload_treasures;
3342		3869
3343	warn "finished reloading resource files\n";	3870	trace "finished reloading resource files\n";
3344	}
3345
3346	sub init {
3347	my $guard = freeze_mainloop;
3348
3349	evthread_start IO::AIO::poll_fileno;
3350
3351	reload_resources;
3352	}	3871	}
3353		3872
3354	sub reload_config {	3873	sub reload_config {
3355	open my $fh, "<:utf8", "$CONFDIR/config"	3874	trace "reloading config file...\n";
3356	or return;
3357		3875
3358	local $/;	3876	my $config = load_file "$CONFDIR/config";
3359	*CFG = YAML::Load <$fh>;	3877	utf8::decode $config;
		3878	*CFG = decode_yaml $config;
3360		3879
3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3880	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3362		3881
3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3882	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3883	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3365		3884
3366	if (exists $CFG{mlockall}) {	3885	if (exists $CFG{mlockall}) {
…		…
3389		3908
3390	seek $fh, 0, 0;	3909	seek $fh, 0, 0;
3391	print $fh $$;	3910	print $fh $$;
3392	}	3911	}
3393		3912
		3913	sub main_loop {
		3914	trace "EV::loop starting\n";
		3915	if (1) {
		3916	EV::loop;
		3917	}
		3918	trace "EV::loop returned\n";
		3919	goto &main_loop unless $REALLY_UNLOOP;
		3920	}
		3921
3394	sub main {	3922	sub main {
3395	atomic;	3923	cf::init_globals; # initialise logging
		3924
		3925	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3926	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3927	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3928	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3929
		3930	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3396		3931
3397	# we must not ever block the main coroutine	3932	# we must not ever block the main coroutine
3398	local $Coro::idle = sub {	3933	$Coro::idle = sub {
3399	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3934	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3400	(async {	3935	(async {
3401	$Coro::current->{desc} = "IDLE BUG HANDLER";	3936	$Coro::current->{desc} = "IDLE BUG HANDLER";
3402	EV::loop EV::LOOP_ONESHOT;	3937	EV::loop EV::LOOP_ONESHOT;
3403	})->prio (Coro::PRIO_MAX);	3938	})->prio (Coro::PRIO_MAX);
3404	};	3939	};
3405		3940
3406	{	3941	evthread_start IO::AIO::poll_fileno;
3407	my $guard = freeze_mainloop;	3942
		3943	cf::sync_job {
		3944	cf::incloader::init ();
		3945
		3946	db_init;
		3947
		3948	cf::init_anim;
		3949	cf::init_attackmess;
		3950	cf::init_dynamic;
		3951
		3952	cf::load_settings;
		3953
		3954	reload_resources;
3408	reload_config;	3955	reload_config;
3409	db_init;	3956
		3957	cf::init_uuid;
		3958	cf::init_signals;
		3959	cf::init_skills;
		3960
		3961	cf::init_beforeplay;
		3962
		3963	atomic;
		3964
3410	load_extensions;	3965	load_extensions;
3411		3966
3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3413	}
3414
3415	utime time, time, $RUNTIMEFILE;	3967	utime time, time, $RUNTIMEFILE;
3416		3968
3417	# no (long-running) fork's whatsoever before this point(!)	3969	# no (long-running) fork's whatsoever before this point(!)
		3970	use POSIX ();
3418	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};	3971	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3419		3972
3420	EV::loop;	3973	cf::_post_init 0;
		3974	};
		3975
		3976	cf::object::thawer::errors_are_fatal 0;
		3977	info "parse errors in files are no longer fatal from this point on.\n";
		3978
		3979	AE::postpone {
		3980	undef &main; # free gobs of memory :)
		3981	};
		3982
		3983	goto &main_loop;
3421	}	3984	}
3422		3985
3423	#############################################################################	3986	#############################################################################
3424	# initialisation and cleanup	3987	# initialisation and cleanup
3425		3988
3426	# install some emergency cleanup handlers	3989	# install some emergency cleanup handlers
3427	BEGIN {	3990	BEGIN {
3428	our %SIGWATCHER = ();	3991	our %SIGWATCHER = ();
3429	for my $signal (qw(INT HUP TERM)) {	3992	for my $signal (qw(INT HUP TERM)) {
3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3993	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3431	cf::cleanup "SIG$signal";	3994	cf::cleanup "SIG$signal";
3432	};	3995	};
3433	}	3996	}
3434	}	3997	}
3435		3998
3436	sub write_runtime_sync {	3999	sub write_runtime_sync {
		4000	my $t0 = AE::time;
		4001
3437	# first touch the runtime file to show we are still running:	4002	# first touch the runtime file to show we are still running:
3438	# the fsync below can take a very very long time.	4003	# the fsync below can take a very very long time.
3439		4004
3440	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;	4005	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3441		4006
3442	my $guard = cf::lock_acquire "write_runtime";	4007	my $guard = cf::lock_acquire "write_runtime";
3443		4008
3444	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644	4009	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3445	or return;	4010	or return;
3446		4011
3447	my $value = $cf::RUNTIME + 90 + 10;	4012	my $value = $cf::RUNTIME + 90 + 10;
3448	# 10 is the runtime save interval, for a monotonic clock	4013	# 10 is the runtime save interval, for a monotonic clock
3449	# 60 allows for the watchdog to kill the server.	4014	# 60 allows for the watchdog to kill the server.
…		…
3462	or return;	4027	or return;
3463		4028
3464	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE	4029	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3465	and return;	4030	and return;
3466		4031
3467	warn "runtime file written.\n";	4032	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3468		4033
3469	1	4034	1
3470	}	4035	}
3471		4036
3472	our $uuid_lock;	4037	our $uuid_lock;
…		…
3481	my $uuid = "$LOCALDIR/uuid";	4046	my $uuid = "$LOCALDIR/uuid";
3482		4047
3483	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	4048	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3484	or return;	4049	or return;
3485		4050
3486	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	4051	my $value = uuid_seq uuid_cur;
		4052
		4053	unless ($value) {
		4054	info "cowardly refusing to write zero uuid value!\n";
		4055	return;
		4056	}
		4057
		4058	my $value = uuid_str $value + $uuid_skip;
3487	$uuid_skip = 0;	4059	$uuid_skip = 0;
3488		4060
3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0	4061	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3490	and return;	4062	and return;
3491		4063
…		…
3497	or return;	4069	or return;
3498		4070
3499	aio_rename "$uuid~", $uuid	4071	aio_rename "$uuid~", $uuid
3500	and return;	4072	and return;
3501		4073
3502	warn "uuid file written ($value).\n";	4074	trace "uuid file written ($value).\n";
3503		4075
3504	1	4076	1
3505		4077
3506	}	4078	}
3507		4079
…		…
3513	}	4085	}
3514		4086
3515	sub emergency_save() {	4087	sub emergency_save() {
3516	my $freeze_guard = cf::freeze_mainloop;	4088	my $freeze_guard = cf::freeze_mainloop;
3517		4089
3518	warn "enter emergency perl save\n";	4090	info "emergency_perl_save: enter\n";
		4091
		4092	# this is a trade-off: we want to be very quick here, so
		4093	# save all maps without fsync, and later call a global sync
		4094	# (which in turn might be very very slow)
		4095	local $USE_FSYNC = 0;
3519		4096
3520	cf::sync_job {	4097	cf::sync_job {
		4098	cf::write_runtime_sync; # external watchdog should not bark
		4099
3521	# use a peculiar iteration method to avoid tripping on perl	4100	# use a peculiar iteration method to avoid tripping on perl
3522	# refcount bugs in for. also avoids problems with players	4101	# refcount bugs in for. also avoids problems with players
3523	# and maps saved/destroyed asynchronously.	4102	# and maps saved/destroyed asynchronously.
3524	warn "begin emergency player save\n";	4103	info "emergency_perl_save: begin player save\n";
3525	for my $login (keys %cf::PLAYER) {	4104	for my $login (keys %cf::PLAYER) {
3526	my $pl = $cf::PLAYER{$login} or next;	4105	my $pl = $cf::PLAYER{$login} or next;
3527	$pl->valid or next;	4106	$pl->valid or next;
3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4107	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3529	$pl->save;	4108	$pl->save;
3530	}	4109	}
3531	warn "end emergency player save\n";	4110	info "emergency_perl_save: end player save\n";
3532		4111
3533	warn "begin emergency map save\n";	4112	cf::write_runtime_sync; # external watchdog should not bark
		4113
		4114	info "emergency_perl_save: begin map save\n";
3534	for my $path (keys %cf::MAP) {	4115	for my $path (keys %cf::MAP) {
3535	my $map = $cf::MAP{$path} or next;	4116	my $map = $cf::MAP{$path} or next;
3536	$map->valid or next;	4117	$map->valid or next;
3537	$map->save;	4118	$map->save;
3538	}	4119	}
3539	warn "end emergency map save\n";	4120	info "emergency_perl_save: end map save\n";
3540		4121
3541	warn "begin emergency database checkpoint\n";	4122	cf::write_runtime_sync; # external watchdog should not bark
		4123
		4124	info "emergency_perl_save: begin database checkpoint\n";
3542	BDB::db_env_txn_checkpoint $DB_ENV;	4125	BDB::db_env_txn_checkpoint $DB_ENV;
3543	warn "end emergency database checkpoint\n";	4126	info "emergency_perl_save: end database checkpoint\n";
3544		4127
3545	warn "begin write uuid\n";	4128	info "emergency_perl_save: begin write uuid\n";
3546	write_uuid_sync 1;	4129	write_uuid_sync 1;
3547	warn "end write uuid\n";	4130	info "emergency_perl_save: end write uuid\n";
		4131
		4132	cf::write_runtime_sync; # external watchdog should not bark
		4133
		4134	trace "emergency_perl_save: syncing database to disk";
		4135	BDB::db_env_txn_checkpoint $DB_ENV;
		4136
		4137	info "emergency_perl_save: starting sync\n";
		4138	IO::AIO::aio_sync sub {
		4139	info "emergency_perl_save: finished sync\n";
		4140	};
		4141
		4142	cf::write_runtime_sync; # external watchdog should not bark
		4143
		4144	trace "emergency_perl_save: flushing outstanding aio requests";
		4145	while (IO::AIO::nreqs || BDB::nreqs) {
		4146	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4147	}
		4148
		4149	cf::write_runtime_sync; # external watchdog should not bark
3548	};	4150	};
3549		4151
3550	warn "leave emergency perl save\n";	4152	info "emergency_perl_save: leave\n";
3551	}	4153	}
3552		4154
3553	sub post_cleanup {	4155	sub post_cleanup {
3554	my ($make_core) = @_;	4156	my ($make_core) = @_;
3555		4157
		4158	IO::AIO::flush;
		4159
3556	warn Carp::longmess "post_cleanup backtrace"	4160	error Carp::longmess "post_cleanup backtrace"
3557	if $make_core;	4161	if $make_core;
3558		4162
3559	my $fh = pidfile;	4163	my $fh = pidfile;
3560	unlink $PIDFILE if <$fh> == $$;	4164	unlink $PIDFILE if <$fh> == $$;
3561	}	4165	}
…		…
3581	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	4185	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3582	for my $name (keys %$leaf_symtab) {	4186	for my $name (keys %$leaf_symtab) {
3583	_gv_clear *{"$pkg$name"};	4187	_gv_clear *{"$pkg$name"};
3584	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	4188	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3585	}	4189	}
3586	warn "cleared package $pkg\n";#d#
3587	}	4190	}
3588		4191
3589	sub do_reload_perl() {	4192	sub do_reload_perl() {
3590	# can/must only be called in main	4193	# can/must only be called in main
3591	if ($Coro::current != $Coro::main) {	4194	unless (in_main) {
3592	warn "can only reload from main coroutine";	4195	error "can only reload from main coroutine";
3593	return;	4196	return;
3594	}	4197	}
3595		4198
3596	return if $RELOAD++;	4199	return if $RELOAD++;
3597		4200
		4201	my $t1 = AE::time;
		4202
3598	while ($RELOAD) {	4203	while ($RELOAD) {
3599	warn "reloading...";	4204	cf::get_slot 0.1, -1, "reload_perl";
		4205	info "perl_reload: reloading...";
3600		4206
3601	warn "entering sync_job";	4207	trace "perl_reload: entering sync_job";
3602		4208
3603	cf::sync_job {	4209	cf::sync_job {
3604	cf::write_runtime_sync; # external watchdog should not bark
3605	cf::emergency_save;	4210	#cf::emergency_save;
3606	cf::write_runtime_sync; # external watchdog should not bark
3607		4211
3608	warn "syncing database to disk";
3609	BDB::db_env_txn_checkpoint $DB_ENV;
3610
3611	# if anything goes wrong in here, we should simply crash as we already saved
3612
3613	warn "flushing outstanding aio requests";
3614	while (IO::AIO::nreqs || BDB::nreqs) {
3615	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3616	}
3617
3618	warn "cancelling all extension coros";	4212	trace "perl_reload: cancelling all extension coros";
3619	$_->cancel for values %EXT_CORO;	4213	$_->cancel for values %EXT_CORO;
3620	%EXT_CORO = ();	4214	%EXT_CORO = ();
3621		4215
3622	warn "removing commands";	4216	trace "perl_reload: removing commands";
3623	%COMMAND = ();	4217	%COMMAND = ();
3624		4218
3625	warn "removing ext/exti commands";	4219	trace "perl_reload: removing ext/exti commands";
3626	%EXTCMD = ();	4220	%EXTCMD = ();
3627	%EXTICMD = ();	4221	%EXTICMD = ();
3628		4222
3629	warn "unloading/nuking all extensions";	4223	trace "perl_reload: unloading/nuking all extensions";
3630	for my $pkg (@EXTS) {	4224	for my $pkg (@EXTS) {
3631	warn "... unloading $pkg";	4225	trace "... unloading $pkg";
3632		4226
3633	if (my $cb = $pkg->can ("unload")) {	4227	if (my $cb = $pkg->can ("unload")) {
3634	eval {	4228	eval {
3635	$cb->($pkg);	4229	$cb->($pkg);
3636	1	4230	1
3637	} or warn "$pkg unloaded, but with errors: $@";	4231	} or error "$pkg unloaded, but with errors: $@";
3638	}	4232	}
3639		4233
3640	warn "... clearing $pkg";	4234	trace "... clearing $pkg";
3641	clear_package $pkg;	4235	clear_package $pkg;
3642	}	4236	}
3643		4237
3644	warn "unloading all perl modules loaded from $LIBDIR";	4238	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3645	while (my ($k, $v) = each %INC) {	4239	while (my ($k, $v) = each %INC) {
3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4240	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3647		4241
3648	warn "... unloading $k";	4242	trace "... unloading $k";
3649	delete $INC{$k};	4243	delete $INC{$k};
3650		4244
3651	$k =~ s/\.pm$//;	4245	$k =~ s/\.pm$//;
3652	$k =~ s/\//::/g;	4246	$k =~ s/\//::/g;
3653		4247
…		…
3656	}	4250	}
3657		4251
3658	clear_package $k;	4252	clear_package $k;
3659	}	4253	}
3660		4254
3661	warn "getting rid of safe::, as good as possible";	4255	trace "perl_reload: getting rid of safe::, as good as possible";
3662	clear_package "safe::$_"	4256	clear_package "safe::$_"
3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4257	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3664		4258
3665	warn "unloading cf.pm \"a bit\"";	4259	trace "perl_reload: unloading cf.pm \"a bit\"";
3666	delete $INC{"cf.pm"};	4260	delete $INC{"cf.pm"};
3667	delete $INC{"cf/pod.pm"};	4261	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3668		4262
3669	# don't, removes xs symbols, too,	4263	# don't, removes xs symbols, too,
3670	# and global variables created in xs	4264	# and global variables created in xs
3671	#clear_package __PACKAGE__;	4265	#clear_package __PACKAGE__;
3672		4266
3673	warn "unload completed, starting to reload now";	4267	info "perl_reload: unload completed, starting to reload now";
3674		4268
3675	warn "reloading cf.pm";	4269	trace "perl_reload: reloading cf.pm";
3676	require cf;	4270	require cf;
3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4271	cf::_connect_to_perl_1;
3678		4272
3679	warn "loading config and database again";	4273	trace "perl_reload: loading config and database again";
3680	cf::reload_config;	4274	cf::reload_config;
3681		4275
3682	warn "loading extensions";	4276	trace "perl_reload: loading extensions";
3683	cf::load_extensions;	4277	cf::load_extensions;
3684		4278
		4279	if ($REATTACH_ON_RELOAD) {
3685	warn "reattaching attachments to objects/players";	4280	trace "perl_reload: reattaching attachments to objects/players";
3686	_global_reattach; # objects, sockets	4281	_global_reattach; # objects, sockets
3687	warn "reattaching attachments to maps";	4282	trace "perl_reload: reattaching attachments to maps";
3688	reattach $_ for values %MAP;	4283	reattach $_ for values %MAP;
3689	warn "reattaching attachments to players";	4284	trace "perl_reload: reattaching attachments to players";
3690	reattach $_ for values %PLAYER;	4285	reattach $_ for values %PLAYER;
		4286	}
3691		4287
3692	warn "leaving sync_job";	4288	cf::_post_init 1;
		4289
		4290	trace "perl_reload: leaving sync_job";
3693		4291
3694	1	4292	1
3695	} or do {	4293	} or do {
3696	warn $@;	4294	error $@;
3697	cf::cleanup "error while reloading, exiting.";	4295	cf::cleanup "perl_reload: error, exiting.";
3698	};	4296	};
3699		4297
3700	warn "reloaded";
3701	--$RELOAD;	4298	--$RELOAD;
3702	}	4299	}
		4300
		4301	$t1 = AE::time - $t1;
		4302	info "perl_reload: completed in ${t1}s\n";
3703	};	4303	};
3704		4304
3705	our $RELOAD_WATCHER; # used only during reload	4305	our $RELOAD_WATCHER; # used only during reload
3706		4306
3707	sub reload_perl() {	4307	sub reload_perl() {
3708	# doing reload synchronously and two reloads happen back-to-back,	4308	# doing reload synchronously and two reloads happen back-to-back,
3709	# coro crashes during coro_state_free->destroy here.	4309	# coro crashes during coro_state_free->destroy here.
3710		4310
		4311	$RELOAD_WATCHER ||= cf::async {
		4312	Coro::AIO::aio_wait cache_extensions;
		4313
3711	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {	4314	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3712	do_reload_perl;	4315	do_reload_perl;
3713	undef $RELOAD_WATCHER;	4316	undef $RELOAD_WATCHER;
		4317	};
3714	};	4318	};
3715	}	4319	}
3716		4320
3717	register_command "reload" => sub {	4321	register_command "reload" => sub {
3718	my ($who, $arg) = @_;	4322	my ($who, $arg) = @_;
…		…
3724	reload_perl;	4328	reload_perl;
3725	};	4329	};
3726	}	4330	}
3727	};	4331	};
3728		4332
3729	unshift @INC, $LIBDIR;	4333	#############################################################################
3730		4334
3731	my $bug_warning = 0;	4335	my $bug_warning = 0;
3732		4336
3733	our @WAIT_FOR_TICK;
3734	our @WAIT_FOR_TICK_BEGIN;
3735
3736	sub wait_for_tick {	4337	sub wait_for_tick() {
3737	return if tick_inhibit || $Coro::current == $Coro::main;	4338	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3738		4339
3739	my $signal = new Coro::Signal;	4340	$WAIT_FOR_TICK->wait;
3740	push @WAIT_FOR_TICK, $signal;
3741	$signal->wait;
3742	}	4341	}
3743		4342
3744	sub wait_for_tick_begin {	4343	sub wait_for_tick_begin() {
3745	return if tick_inhibit || $Coro::current == $Coro::main;	4344	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3746		4345
3747	my $signal = new Coro::Signal;	4346	my $signal = new Coro::Signal;
3748	push @WAIT_FOR_TICK_BEGIN, $signal;	4347	push @WAIT_FOR_TICK_BEGIN, $signal;
3749	$signal->wait;	4348	$signal->wait;
3750	}	4349	}
…		…
3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4353	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3755	unless ++$bug_warning > 10;	4354	unless ++$bug_warning > 10;
3756	return;	4355	return;
3757	}	4356	}
3758		4357
3759	cf::server_tick; # one server iteration	4358	cf::one_tick; # one server iteration
		4359
		4360	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3760		4361
3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4362	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4363	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3763	Coro::async_pool {	4364	Coro::async_pool {
3764	$Coro::current->{desc} = "runtime saver";	4365	$Coro::current->{desc} = "runtime saver";
3765	write_runtime_sync	4366	write_runtime_sync
3766	or warn "ERROR: unable to write runtime file: $!";	4367	or error "ERROR: unable to write runtime file: $!";
3767	};	4368	};
3768	}	4369	}
3769		4370
3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4371	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3771	$sig->send;	4372	$sig->send;
3772	}	4373	}
3773	while (my $sig = shift @WAIT_FOR_TICK) {	4374	$WAIT_FOR_TICK->broadcast;
3774	$sig->send;
3775	}
3776		4375
3777	$LOAD = ($NOW - $TICK_START) / $TICK;	4376	$LOAD = ($NOW - $TICK_START) / $TICK;
3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4377	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3779		4378
3780	if (0) {	4379	if (0) {
3781	if ($NEXT_TICK) {	4380	if ($NEXT_TICK) {
3782	my $jitter = $TICK_START - $NEXT_TICK;	4381	my $jitter = $TICK_START - $NEXT_TICK;
3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4382	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3784	warn "jitter $JITTER\n";#d#	4383	debug "jitter $JITTER\n";#d#
3785	}	4384	}
3786	}	4385	}
3787	}	4386	}
3788		4387
3789	{	4388	{
3790	# configure BDB	4389	# configure BDB
		4390	info "initialising database";
3791		4391
3792	BDB::min_parallel 8;	4392	BDB::min_parallel 16;
3793	BDB::max_poll_reqs $TICK * 0.1;	4393	BDB::max_poll_reqs $TICK * 0.1;
3794	$AnyEvent::BDB::WATCHER->priority (1);	4394	#$AnyEvent::BDB::WATCHER->priority (1);
3795		4395
3796	unless ($DB_ENV) {	4396	unless ($DB_ENV) {
3797	$DB_ENV = BDB::db_env_create;	4397	$DB_ENV = BDB::db_env_create;
3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4398	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3799	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;	4399	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
…		…
3824	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4424	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3825	};	4425	};
3826	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4426	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3827	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4427	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3828	};	4428	};
		4429
		4430	info "database initialised";
3829	}	4431	}
3830		4432
3831	{	4433	{
3832	# configure IO::AIO	4434	# configure IO::AIO
3833		4435
		4436	info "initialising aio";
3834	IO::AIO::min_parallel 8;	4437	IO::AIO::min_parallel 8;
3835	IO::AIO::max_poll_time $TICK * 0.1;	4438	IO::AIO::max_poll_time $TICK * 0.1;
3836	undef $AnyEvent::AIO::WATCHER;	4439	undef $AnyEvent::AIO::WATCHER;
		4440	info "aio initialised";
3837	}	4441	}
3838		4442
3839	my $_log_backtrace;	4443	our $_log_backtrace;
		4444	our $_log_backtrace_last;
3840		4445
3841	sub _log_backtrace {	4446	sub _log_backtrace {
3842	my ($msg, @addr) = @_;	4447	my ($msg, @addr) = @_;
3843		4448
3844	$msg =~ s/\n//;	4449	$msg =~ s/\n$//;
3845		4450
		4451	if ($_log_backtrace_last eq $msg) {
		4452	LOG llevInfo, "[ABT] $msg\n";
		4453	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3846	# limit the # of concurrent backtraces	4454	# limit the # of concurrent backtraces
3847	if ($_log_backtrace < 2) {	4455	} elsif ($_log_backtrace < 2) {
		4456	$_log_backtrace_last = $msg;
3848	++$_log_backtrace;	4457	++$_log_backtrace;
3849	my $perl_bt = Carp::longmess $msg;	4458	my $perl_bt = Carp::longmess $msg;
3850	async {	4459	async {
3851	$Coro::current->{desc} = "abt $msg";	4460	$Coro::current->{desc} = "abt $msg";
3852		4461
…		…
3872	LOG llevInfo, "[ABT] $_\n" for @bt;	4481	LOG llevInfo, "[ABT] $_\n" for @bt;
3873	--$_log_backtrace;	4482	--$_log_backtrace;
3874	};	4483	};
3875	} else {	4484	} else {
3876	LOG llevInfo, "[ABT] $msg\n";	4485	LOG llevInfo, "[ABT] $msg\n";
3877	LOG llevInfo, "[ABT] [suppressed]\n";	4486	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3878	}	4487	}
3879	}	4488	}
3880		4489
3881	# load additional modules	4490	# load additional modules
3882	use cf::pod;	4491	require "cf/$_.pm" for @EXTRA_MODULES;
		4492	cf::_connect_to_perl_2;
3883		4493
3884	END { cf::emergency_save }	4494	END { cf::emergency_save }
3885		4495
3886	1	4496	1
3887		4497

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