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Revision 1.426 by root, Thu Apr 24 04:40:31 2008 UTC vs.
Revision 1.612 by root, Wed Nov 21 12:47:09 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 utf8;	25	use common::sense;
25	use strict;
26		26
27	use Symbol;	27	use Symbol;
28	use List::Util;	28	use List::Util;
29	use Socket;	29	use Socket;
30	use EV 3.2;	30	use EV;
31	use Opcode;	31	use Opcode;
32	use Safe;	32	use Safe;
33	use Safe::Hole;	33	use Safe::Hole;
34	use Storable ();	34	use Storable ();
		35	use Carp ();
35		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
36	use Coro 4.50 ();	41	use Coro ();
37	use Coro::State;	42	use Coro::State;
38	use Coro::Handle;	43	use Coro::Handle;
39	use Coro::EV;	44	use Coro::EV;
		45	use Coro::AnyEvent;
40	use Coro::Timer;	46	use Coro::Timer;
41	use Coro::Signal;	47	use Coro::Signal;
42	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
43	use Coro::AIO;	51	use Coro::AIO;
44	use Coro::BDB;	52	use Coro::BDB 1.6;
45	use Coro::Storable;	53	use Coro::Storable;
46	use Coro::Util ();	54	use Coro::Util ();
47		55
		56	use Guard ();
48	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
49	use BDB ();	58	use BDB ();
50	use Data::Dumper;	59	use Data::Dumper;
51	use Digest::MD5;
52	use Fcntl;	60	use Fcntl;
53	use YAML ();	61	use YAML::XS ();
54	use IO::AIO 2.51 ();	62	use IO::AIO ();
55	use Time::HiRes;
56	use Compress::LZF;	63	use Compress::LZF;
57	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
58		67
59	# configure various modules to our taste	68	# configure various modules to our taste
60	#	69	#
61	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
63	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
64		78
65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
66		81
67	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;
68		85
69	our %COMMAND = ();	86	our %COMMAND = ();
70	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
71		88
72	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
73	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
74	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
77		96
78	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
80		101
81	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
82	our $DATADIR = datadir;	104	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
86	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
92	our %RESOURCE;	115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		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;
93		125
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95	our $AIO_POLL_WATCHER;
96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	128	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		130
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	134	our $DB_ENV;
105		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
106	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
107		140
108	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
110	our $NOW;	144	our $NOW;
111		145
112	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
113	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
114	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
…		…
119	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)
120	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	155	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
123		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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
124	binmode STDOUT;	166	binmode STDOUT;
125	binmode STDERR;	167	binmode STDERR;
126		168
127	# read virtual server time, if available	169	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
132	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
133		177
134	mkdir $_	178	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		180
137	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
138		182
139	sub cf::map::normalise;	183	sub cf::map::normalise;
140		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
141	#############################################################################	189	#############################################################################
142		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
143	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
144		203
145	=over 4	204	=over 4
146		205
147	=item $cf::UPTIME	206	=item $cf::UPTIME
148		207
149	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.
150		224
151	=item $cf::RUNTIME	225	=item $cf::RUNTIME
152		226
153	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
154	every server tick.	228	every server tick.
155		229
156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
159		233
160	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
162	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
163	database environment.	237	database environment.
164		238
165	=item $cf::NOW
166
167	The time of the last (current) server tick.
168
169	=item $cf::TICK
170
171	The interval between server ticks, in seconds.
172
173	=item $cf::LOADAVG	239	=item $cf::LOADAVG
174		240
175	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
176	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
177	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
186	from wherever your confdir points to.	252	from wherever your confdir points to.
187		253
188	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
189		255
190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
191	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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();
193		277
194	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
195		279
196	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
197	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
198	that call.	282	that call.
199		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
200	=back	290	=back
201		291
202	=cut	292	=cut
203		293
204	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
205	*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 {
206	my $msg = join "", @_;	301	my $msg = join "", @_;
207		302
208	$msg .= "\n"	303	$msg .= "\n"
209	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
210		305
211	$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;
212		307
213	LOG llevError, $msg;	308	LOG llevWarn, $msg;
214	};	309	};
215	}
216		310
217	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
219		313
220	if ($Coro::current == $Coro::main) {#d#	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	318	return;#d#
223	}#d#	319	}#d#
224		320
225	# kill coroutine otherwise	321	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	322	Coro::terminate
228	};	323	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		324
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	335	for my $pkg (qw(
243	cf::global cf::attachable	336	cf::global cf::attachable
244	cf::object cf::object::player	337	cf::object cf::object::player
245	cf::client cf::player	338	cf::client cf::player
246	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
247	cf::map cf::party cf::region	341	cf::party cf::region
248	)) {	342	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	344	}
252		345
253	$EV::DIED = sub {	346	$EV::DIED = sub {
254	warn "error in event callback: @_";	347	warn "error in event callback: $@";
255	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
256		354
257	#############################################################################	355	#############################################################################
258		356
259	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
260		358
…		…
281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
282	$d	380	$d
283	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
284	}	382	}
285		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
286	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
287		437
288	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
289		439
290	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		447
298	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
300		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
301	=item cf::lock_wait $string	513	=item cf::lock_wait $string
302		514
303	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
304		516
305	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
306		518
307	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
308	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,
309	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
310	returned.	522	returned.
311		523
312	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
313	deadlocked coro.	525	deadlocked coro.
…		…
319		531
320	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.
321		533
322	=cut	534	=cut
323		535
324	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		537
327	sub lock_wait($) {	538	sub lock_wait($) {
328	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
329
330	if ($LOCKER{$key} == $Coro::current) {#d#
331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332	return;#d#
333	}#d#
334
335	# wait for lock, if any
336	while ($LOCK{$key}) {
337	push @{ $LOCK{$key} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	540	}
341		541
342	sub lock_acquire($) {	542	sub lock_acquire($) {
343	my ($key) = @_;	543	$LOCKS->guard ($_[0])
344
345	# wait, to be sure we are not locked
346	lock_wait $key;
347
348	$LOCK{$key} = [];
349	$LOCKER{$key} = $Coro::current;#d#
350
351	Coro::guard {
352	delete $LOCKER{$key};#d#
353	# wake up all waiters, to be on the safe side
354	$_->ready for @{ delete $LOCK{$key} };
355	}
356	}	544	}
357		545
358	sub lock_active($) {	546	sub lock_active($) {
359	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	548	}
363		549
364	sub freeze_mainloop {	550	sub freeze_mainloop {
365	tick_inhibit_inc;	551	tick_inhibit_inc;
366		552
367	Coro::guard \&tick_inhibit_dec;	553	&Guard::guard (\&tick_inhibit_dec);
368	}	554	}
369		555
370	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
371		557
372	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
373	get spread over timer.	559	get spread over time.
374		560
375	=cut	561	=cut
376		562
377	sub periodic($$) {	563	sub periodic($$) {
378	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
382	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
383	}	569	}
384		570
385	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
386		572
387	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
388	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
389	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$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.
390		580
391	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
392	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
393		583
394	Useful for short background jobs.	584	Useful for short background jobs.
395		585
396	=cut	586	=cut
397		587
398	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
399	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
400		591
401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
403	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
404		595
405	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
406		598
407	while () {	599	while () {
408	next_job:	600	next_job:
		601
		602	Coro::cede;
		603
409	my $avail = cf::till_tick;	604	my $avail = cf::till_tick;
410	if ($avail > 0.01) {	605
411	for (0 .. $#SLOT_QUEUE) {	606	for (0 .. $#SLOT_QUEUE) {
412	if ($SLOT_QUEUE[$_][0] < $avail) {	607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
413	my $job = splice @SLOT_QUEUE, $_, 1, ();	609	my $job = splice @SLOT_QUEUE, $_, 1, ();
414	$job->[2]->send;	610	$job->[2]->send;
415	Coro::cede;
416	goto next_job;	611	goto next_job;
417	}	612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
418	}	614	}
419	}	615	}
420		616
421	if (@SLOT_QUEUE) {	617	if (@SLOT_QUEUE) {
422	# we do not use wait_for_tick() as it returns immediately when tick is inactive	618	wait_for_tick;
423	push @cf::WAIT_FOR_TICK, $signal;
424	$signal->wait;
425	} else {	619	} else {
		620	$busy = 0;
426	Coro::schedule;	621	Coro::schedule;
427	}	622	}
428	}	623	}
429	};	624	};
430		625
431	sub get_slot($;$$) {	626	sub get_slot($;$$) {
432	return if tick_inhibit || $Coro::current == $Coro::main;	627	return if tick_inhibit || $Coro::current == $Coro::main;
433		628
434	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
435		630
436	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
437	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
438		634
439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
441	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
467	=cut	663	=cut
468		664
469	sub sync_job(&) {	665	sub sync_job(&) {
470	my ($job) = @_;	666	my ($job) = @_;
471		667
472	if ($Coro::current == $Coro::main) {	668	if (in_main) {
473	my $time = EV::time;	669	my $time = AE::time;
474		670
475	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
476	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
477		673
478	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
479		675
480	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
481		677
482	my $busy = 1;	678	my $busy = 1;
483	my @res;	679	my @res;
484		680
485	(async {	681	(async {
486	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
487	@res = eval { $job->() };	683	@res = eval { $job->() };
488	warn $@ if $@;	684	error $@ if $@;
489	undef $busy;	685	undef $busy;
490	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
491		687
492	while ($busy) {	688	while ($busy) {
493	if (Coro::nready) {	689	if (Coro::nready) {
…		…
495	} else {	691	} else {
496	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_ONESHOT;
497	}	693	}
498	}	694	}
499		695
500	my $time = EV::time - $time;	696	my $time = AE::time - $time;
501		697
502	$TICK_START += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
503		699
504	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
505	} else {	701	} else {
…		…
527	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
528		724
529	$coro	725	$coro
530	}	726	}
531		727
532	=item fork_call { }, $args	728	=item fork_call { }, @args
533		729
534	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
535	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
536	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
537	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
538		734
539	=cut	735	=cut
540		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
541	sub fork_call(&@) {	741	sub fork_call(&@) {
542	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
543		743
544	# we seemingly have to make a local copy of the whole thing,
545	# otherwise perl prematurely frees the stuff :/
546	# TODO: investigate and fix (likely this will be rather laborious)
547
548	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
549	reset_signals;	745	cf::post_fork;
550	&$cb	746	&$cb
551	}, @args;	747	} @args;
552		748
553	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	)
554	}	761	}
555		762
556	=item $coin = coin_from_name $name	763	=item $coin = coin_from_name $name
557		764
558	=cut	765	=cut
…		…
595	within each server.	802	within each server.
596		803
597	=cut	804	=cut
598		805
599	sub db_table($) {	806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
600	my ($name) = @_;	810	my ($name) = @_;
601	my $db = BDB::db_create $DB_ENV;	811	my $db = BDB::db_create $DB_ENV;
602		812
603	eval {	813	eval {
604	$db->set_flags (BDB::CHKSUM);	814	$db->set_flags (BDB::CHKSUM);
…		…
614	}	824	}
615		825
616	our $DB;	826	our $DB;
617		827
618	sub db_init {	828	sub db_init {
619	cf::sync_job {
620	$DB ||= db_table "db";	829	$DB ||= db_table "db";
621	};
622	}	830	}
623		831
624	sub db_get($$) {	832	sub db_get($$) {
625	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
626		834
627	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
628	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
629		839
630	$! ? ()	840	$! ? ()
631	: $data	841	: $data
632	}
633	}	842	}
634		843
635	sub db_put($$$) {	844	sub db_put($$$) {
636	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
665		874
666	my @data;	875	my @data;
667	my $md5;	876	my $md5;
668		877
669	for (0 .. $#$src) {	878	for (0 .. $#$src) {
670	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
671	or Carp::croak "$src->[$_]: $!";
672	}	880	}
673		881
674	# if processing is expensive, check	882	# if processing is expensive, check
675	# checksum first	883	# checksum first
676	if (1) {	884	if (1) {
…		…
689		897
690	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
691	}	899	}
692	}	900	}
693		901
694	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
695	my $data = $process->(\@data);	903	my $data = $process->(\@data);
696	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
697		905
698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
699		907
700	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
701	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
702	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
703		911
…		…
713		921
714	=cut	922	=cut
715		923
716	sub datalog($@) {	924	sub datalog($@) {
717	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
719	}	927	}
720		928
721	=back	929	=back
722		930
723	=cut	931	=cut
724		932
725	#############################################################################	933	#############################################################################
726		934
727	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
728		936
729	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
730	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
731	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
732		940
733	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
734	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
784	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
785		993
786	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
787	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
788		996
789	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
790	that are attached at load/instantiate time, thus the need for a name.	998	that are attached at load/instantiate time, thus the need for a name.
791		999
792	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
793		1001
794	=over 4	1002	=over 4
…		…
918		1126
919	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
920	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
921		1129
922	} elsif (ref $type) {	1130	} elsif (ref $type) {
923	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
924		1132
925	} else {	1133	} else {
926	shift @arg;	1134	shift @arg;
927	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
928	}	1136	}
929	}	1137	}
930	}	1138	}
931		1139
932	sub _object_attach {	1140	sub _object_attach {
…		…
942	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
943	}	1151	}
944		1152
945	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
946	} else {	1154	} else {
947	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
948	}	1156	}
949		1157
950	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
951	}	1159	}
952		1160
…		…
1011		1219
1012	for (@$callbacks) {	1220	for (@$callbacks) {
1013	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
1014		1222
1015	if ($@) {	1223	if ($@) {
1016	warn "$@";
1017	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1018	override;	1225	override;
1019	}	1226	}
1020		1227
1021	return 1 if $override;	1228	return 1 if $override;
1022	}	1229	}
…		…
1085		1292
1086	sub reattach {	1293	sub reattach {
1087	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
1088	my ($obj) = @_;	1295	my ($obj) = @_;
1089		1296
		1297	# no longer needed after getting rid of delete_package?
1090	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1298	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1091		1299
1092	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
1093		1301
1094	@$registry = ();	1302	@$registry = ();
1095		1303
…		…
1100	for (@$attach) {	1308	for (@$attach) {
1101	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
1102	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
1103	}	1311	}
1104	} else {	1312	} else {
1105	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
1106	}	1314	}
1107	}	1315	}
1108	}	1316	}
1109		1317
1110	cf::attachable->attach (	1318	cf::attachable->attach (
…		…
1137	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1138		1346
1139	sync_job {	1347	sync_job {
1140	if (length $$rdata) {	1348	if (length $$rdata) {
1141	utf8::decode (my $decname = $filename);	1349	utf8::decode (my $decname = $filename);
1142	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1143	$decname, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1144		1353
1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1146	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1148	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	}
1149	close $fh;	1361	aio_close $fh;
1150		1362
1151	if (@$objs) {	1363	if (@$objs) {
1152	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) {
1153	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1155	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1156	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	}
1157	close $fh;	1372	aio_close $fh;
1158	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1159	}	1374	}
1160	} else {	1375	} else {
1161	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1162	}	1377	}
1163		1378
1164	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1165	} else {	1383	} else {
1166	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1167	}	1385	}
1168	} else {	1386	} else {
1169	aio_unlink $filename;	1387	aio_unlink $filename;
1170	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1171	}	1389	}
…		…
1195	my $st = eval { Coro::Storable::thaw $av };	1413	my $st = eval { Coro::Storable::thaw $av };
1196	$av = $st->{objs};	1414	$av = $st->{objs};
1197	}	1415	}
1198		1416
1199	utf8::decode (my $decname = $filename);	1417	utf8::decode (my $decname = $filename);
1200	warn sprintf "loading %s (%d,%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1201	$decname, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
1202		1421
1203	($data, $av)	1422	($data, $av)
1204	}	1423	}
1205		1424
1206	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
…		…
1210	=cut	1429	=cut
1211		1430
1212	#############################################################################	1431	#############################################################################
1213	# command handling &c	1432	# command handling &c
1214		1433
1215	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1216		1435
1217	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
1218	$name.	1437	$name.
1219		1438
1220	=cut	1439	=cut
…		…
1226	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1227		1446
1228	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1229	}	1448	}
1230		1449
1231	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1232		1451
1233	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1234	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
1235	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
1236	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
1237	has logged in successfully.	1456	has logged in successfully.
1238		1457
1239	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1240	called.
1241		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
1242	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1243		1466
1244	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1245	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
1246	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
1247	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
1248	log-in.	1471	log-in.
1249		1472
1250	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1251	called.
1252		1474
1253	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1254		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1255	sub register_extcmd {	1482	sub register_extcmd($$) {
1256	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1257		1484
1258	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1259	}	1486	}
1260		1487
1261	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1262	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1263		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1264	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1265	}	1498	}
1266		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1267	cf::player->attach (	1508	cf::player->attach (
1268	on_command => sub {	1509	on_unknown_command => sub {
1269	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1270		1511
1271	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1272	or return;	1513	or return;
1273		1514
…		…
1281	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1282		1523
1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1284		1525
1285	if (ref $msg) {	1526	if (ref $msg) {
1286	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1287	"ARRAY" eq ref $msg
1288	? @$msg
1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1290		1528
1291	my @reply;
1292
1293	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}) {
1294	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1295	}	1547	}
1296		1548
1297	$pl->ext_reply ($reply, @reply)
1298	if $reply;
1299
1300	} else {	1549	} else {
1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1302	}	1551	}
1303		1552
1304	cf::override;	1553	cf::override;
1305	},	1554	},
1306	);	1555	);
1307		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
1308	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1309	cf::sync_job {	1586	cf::sync_job {
1310	my %todo;	1587	my %todo;
1311		1588
1312	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1313	next unless -r $path;	1590	next unless -r $path;
…		…
1331		1608
1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334		1611
1335	$ext{source} =	1612	$ext{source} =
1336	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1337	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1338	. $source	1615	. $source
1339	. "\n};\n1";	1616	. "\n};\n1";
1340		1617
1341	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1342	}	1619	}
1343		1620
		1621	my $pass = 0;
1344	my %done;	1622	my %done;
1345	while (%todo) {	1623	while (%todo) {
1346	my $progress;	1624	my $progress;
1347		1625
		1626	++$pass;
		1627
		1628	ext:
1348	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1349	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1350	goto skip	1631	next ext
1351	unless exists $done{$_};	1632	unless exists $done{$_};
1352	}	1633	}
1353		1634
1354	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1355		1636
1356	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 $@) {
1357	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1358	: "$v->{base}: extension inactive.\n";
1359		1650
1360	if (exists $v->{meta}{mandatory}) {
1361	warn $msg;
1362	cf::cleanup "mandatory extension failed to load, exiting.";	1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1363	}	1652	if exists $v->{meta}{mandatory};
1364		1653
1365	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;
1366	}	1663	}
1367
1368	$done{$k} = delete $todo{$k};
1369	push @EXTS, $v->{pkg};
1370	$progress = 1;
1371	}	1664	}
1372		1665
1373	skip:	1666	unless ($progress) {
1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1375	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1376	}	1676	}
1377	};	1677	};
1378	}	1678	}
1379		1679
1380	#############################################################################	1680	#############################################################################
1381		1681
1382	=back	1682	=back
1383		1683
1384	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1385		1685
1386	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1387		1687
1388	=cut	1688	=cut
1389		1689
1390	package cf::player;	1690	package cf::player;
1391		1691
…		…
1434		1734
1435	sub exists($) {	1735	sub exists($) {
1436	my ($login) = @_;	1736	my ($login) = @_;
1437		1737
1438	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1439	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1440	}	1740	}
1441		1741
1442	sub find($) {	1742	sub find($) {
1443	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1444	my $login = $_[0];	1744	my $login = $_[0];
…		…
1456	my $f = new_from_file cf::object::thawer path $login	1756	my $f = new_from_file cf::object::thawer path $login
1457	or return;	1757	or return;
1458		1758
1459	my $pl = cf::player::load_pl $f	1759	my $pl = cf::player::load_pl $f
1460	or return;	1760	or return;
		1761
1461	local $cf::PLAYER_LOADING{$login} = $pl;	1762	local $cf::PLAYER_LOADING{$login} = $pl;
1462	$f->resolve_delayed_derefs;	1763	$f->resolve_delayed_derefs;
1463	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1464	}	1765	}
1465	}	1766	}
1466	}	1767	}
1467		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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
1468	sub save($) {	1782	sub save($) {
1469	my ($pl) = @_;	1783	my ($pl) = @_;
1470		1784
1471	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
1472		1786
…		…
1477		1791
1478	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1479	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1480		1794
1481	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];
1482		1799
1483	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1484	cf::cede_to_tick;	1801	cf::cede_to_tick;
1485	}	1802	}
1486		1803
…		…
1518	my ($pl) = @_;	1835	my ($pl) = @_;
1519		1836
1520	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1521		1838
1522	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1523	$pl->password ("*"); # this should lock out the player until we nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1524		1841
1525	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1526	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1527	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1528	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1529		1850
1530	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1531	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1532	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1570		1891
1571	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
1572	my $path = path $login;	1893	my $path = path $login;
1573		1894
1574	# a .pst is a dead give-away for a valid player	1895	# a .pst is a dead give-away for a valid player
1575	unless (-e "$path.pst") {	1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1577	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1578	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
1579	}	1901	}
1580		1902
…		…
1584		1906
1585	\@logins	1907	\@logins
1586	}	1908	}
1587		1909
1588	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1589		1913
1590	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1591	player. May block.	1915	player. May block.
1592		1916
1593	=cut	1917	=cut
…		…
1611	}	1935	}
1612		1936
1613	\@paths	1937	\@paths
1614	}	1938	}
1615		1939
1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1617		1941
1618	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1619
1620	=cut
1621
1622	use re 'eval';
1623
1624	my $group;
1625	my $interior; $interior = qr{
1626	# match a pod interior sequence sans C<< >>
1627	(?:
1628	\ (.*?)\ (?{ $group = $^N })
1629	| < (??{$interior}) >
1630	)
1631	}x;
1632
1633	sub expand_cfpod {
1634	my ($self, $pod) = @_;
1635
1636	my $xml;
1637
1638	while () {
1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1640	$group = $1;
1641
1642	$group =~ s/&/&amp;/g;
1643	$group =~ s/</&lt;/g;
1644
1645	$xml .= $group;
1646	} elsif ($pod =~ m%\G
1647	([BCGHITU])
1648	<
1649	(?:
1650	([^<>]*) (?{ $group = $^N })
1651	| < $interior >
1652	)
1653	>
1654	%gcsx
1655	) {
1656	my ($code, $data) = ($1, $group);
1657
1658	if ($code eq "B") {
1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1660	} elsif ($code eq "I") {
1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1662	} elsif ($code eq "U") {
1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1664	} elsif ($code eq "C") {
1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1666	} elsif ($code eq "T") {
1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1668	} elsif ($code eq "G") {
1669	my ($male, $female) = split /\|/, $data;
1670	$data = $self->gender ? $female : $male;
1671	$xml .= expand_cfpod ($self, $data);
1672	} elsif ($code eq "H") {
1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1675	"")
1676	[$self->{hintmode}];
1677	} else {
1678	$xml .= "error processing '$code($data)' directive";
1679	}
1680	} else {
1681	if ($pod =~ /\G(.+)/) {
1682	warn "parse error while expanding $pod (at $1)";
1683	}
1684	last;
1685	}
1686	}
1687
1688	for ($xml) {
1689	# create single paragraphs (very hackish)
1690	s/(?<=\S)\n(?=\w)/ /g;
1691
1692	# compress some whitespace
1693	s/\s+\n/\n/g; # ws line-ends
1694	s/\n\n+/\n/g; # double lines
1695	s/^\n+//; # beginning lines
1696	s/\n+$//; # ending lines
1697	}
1698
1699	$xml
1700	}
1701
1702	no re 'eval';
1703
1704	sub hintmode {
1705	$_[0]{hintmode} = $_[1] if @_ > 1;
1706	$_[0]{hintmode}
1707	}
1708
1709	=item $player->ext_reply ($msgid, @msg)
1710
1711	Sends an ext reply to the player.
1712
1713	=cut
1714
1715	sub ext_reply($$@) {
1716	my ($self, $id, @msg) = @_;
1717
1718	$self->ns->ext_reply ($id, @msg)
1719	}
1720		1943
1721	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1722		1945
1723	Sends an ext event to the client.	1946	Sends an ext event to the client.
1724		1947
…		…
1744		1967
1745	=cut	1968	=cut
1746		1969
1747	sub find_by_path($) {	1970	sub find_by_path($) {
1748	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1749		1974
1750	my ($match, $specificity);	1975	my ($match, $specificity);
1751		1976
1752	for my $region (list) {	1977	for my $region (list) {
1753	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1782	sub generate_random_map {	2007	sub generate_random_map {
1783	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1784		2009
1785	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
1786		2011
1787	# mit "rum" bekleckern, nicht
1788	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1792	$rmp->{exit_on_final_map},
1793	$rmp->{xsize}, $rmp->{ysize},
1794	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1795	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1796	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1797	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1798	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1799	(cf::region::find $rmp->{region}), $rmp->{custom}
1800	)
1801	}	2013	}
1802		2014
1803	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1804		2016
1805	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
…		…
1810		2022
1811	sub register {	2023	sub register {
1812	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1813	my $pkg = caller;	2025	my $pkg = caller;
1814		2026
1815	no strict;
1816	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1817		2028
1818	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1819	}	2030	}
1820		2031
1821	# also paths starting with '/'	2032	# also paths starting with '/'
1822	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1823		2034
1824	sub thawer_merge {	2035	sub thawer_merge {
1825	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1826		2037
1827	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1832	}	2043	}
1833		2044
1834	sub normalise {	2045	sub normalise {
1835	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1836		2047
1837	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1838		2049
1839	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1840		2051
1841	# map plan:	2052	# map plan:
1842	#	2053	#
…		…
1857	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1858	$path = "$base/$path";	2069	$path = "$base/$path";
1859	}	2070	}
1860		2071
1861	for ($path) {	2072	for ($path) {
1862	redo if s{//}{/};
1863	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1864	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1865	}	2075	}
1866		2076
1867	$path	2077	$path
…		…
1881	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1882	return $self;	2092	return $self;
1883	}	2093	}
1884	}	2094	}
1885		2095
1886	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1887	()	2097	()
1888	}	2098	}
1889		2099
		2100	# may re-bless or do other evil things
1890	sub init {	2101	sub init {
1891	my ($self) = @_;	2102	my ($self) = @_;
1892		2103
1893	$self	2104	$self
1894	}	2105	}
…		…
1925		2136
1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1927	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1928	}	2139	}
1929		2140
1930	# and all this just because we cannot iterate over
1931	# all maps in C++...
1932	sub change_all_map_light {
1933	my ($change) = @_;
1934
1935	$_->change_map_light ($change)
1936	for grep $_->outdoor, values %cf::MAP;
1937	}
1938
1939	sub decay_objects {	2141	sub decay_objects {
1940	my ($self) = @_;	2142	my ($self) = @_;
1941		2143
1942	return if $self->{deny_reset};	2144	return if $self->{deny_reset};
1943		2145
…		…
1968	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1969		2171
1970	1	2172	1
1971	}	2173	}
1972		2174
		2175	# used to laod the header of an original map
1973	sub load_header_orig {	2176	sub load_header_orig {
1974	my ($self) = @_;	2177	my ($self) = @_;
1975		2178
1976	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1977	}	2180	}
1978		2181
		2182	# used to laod the header of an instantiated map
1979	sub load_header_temp {	2183	sub load_header_temp {
1980	my ($self) = @_;	2184	my ($self) = @_;
1981		2185
1982	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1983	}	2187	}
1984		2188
		2189	# called after loading the header from an instantiated map
1985	sub prepare_temp {	2190	sub prepare_temp {
1986	my ($self) = @_;	2191	my ($self) = @_;
1987		2192
1988	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1989	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1990	# safety	2195	# safety
1991	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1992	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1993	}	2198	}
1994		2199
		2200	# called after loading the header from an original map
1995	sub prepare_orig {	2201	sub prepare_orig {
1996	my ($self) = @_;	2202	my ($self) = @_;
1997		2203
1998	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1999	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2023		2229
2024	sub find;	2230	sub find;
2025	sub find {	2231	sub find {
2026	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
2027		2233
		2234	cf::cede_to_tick;
		2235
2028	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
2029		2237
2030	cf::lock_wait "map_data:$path";#d#remove	2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2031	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
2032		2240
2033	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
2034	my $guard1 = cf::lock_acquire "map_find:$path";
2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2036
2037	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
2038	or return;	2243	or return;
2039		2244
2040	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
2041		2246
…		…
2043	or return;	2248	or return;
2044		2249
2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2046	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
2047	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
2048	undef $guard1;	2254	undef $guard1;
2049	undef $guard2;
2050	$map->reset;	2255	$map->reset;
2051	return find $path;	2256	return find $path;
2052	}	2257	}
2053		2258
2054	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
2055	}	2260	}
2056	}	2261	}
2057		2262
2058	sub pre_load { }	2263	sub pre_load { }
2059	sub post_load { }	2264	#sub post_load { } # XS
2060		2265
2061	sub load {	2266	sub load {
2062	my ($self) = @_;	2267	my ($self) = @_;
2063		2268
2064	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2067		2272
2068	{	2273	{
2069	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
2070		2275
2071	return unless $self->valid;	2276	return unless $self->valid;
2072	return unless $self->in_memory == cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
2073
2074	$self->in_memory (cf::MAP_LOADING);
2075		2278
2076	$self->alloc;	2279	$self->alloc;
2077		2280
2078	$self->pre_load;	2281	$self->pre_load;
2079	cf::cede_to_tick;	2282	cf::cede_to_tick;
2080		2283
		2284	if (exists $self->{load_path}) {
2081	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
2082	$f->skip_block;	2286	$f->skip_block;
2083	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
2084	or return;	2288	or return;
2085		2289
2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
2087	if delete $self->{load_original};	2291	if delete $self->{load_original};
2088		2292
2089	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
2090	utf8::encode $uniq;	2294	utf8::encode $uniq;
2091	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
2092	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
2093	$self->clear_unique_items;	2297	$self->clear_unique_items;
2094	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
2095	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
2096	}	2301	}
2097	}	2302	}
2098	}
2099		2303
2100	$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);
2101		2311
2102	cf::cede_to_tick;	2312	cf::cede_to_tick;
2103	# now do the right thing for maps	2313	# now do the right thing for maps
2104	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
2105	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
2109	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
2110	$self->decay_objects;	2320	$self->decay_objects;
2111	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
2112	$self->update_buttons;	2322	$self->update_buttons;
2113	cf::cede_to_tick;	2323	cf::cede_to_tick;
2114	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
2115	cf::cede_to_tick;
2116	$self->activate;
2117	}	2325	}
2118		2326
2119	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
2120	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
2121
2122	$self->in_memory (cf::MAP_ACTIVE);
2123	}	2329	}
2124		2330
2125	$self->post_load;	2331	$self->post_load;
2126	}
2127		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
2128	sub customise_for {	2339	sub customise_for {
2129	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
2130		2341
2131	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
2132	if $self->per_player;	2343	if $self->per_player;
…		…
2135	# if $self->per_party;	2346	# if $self->per_party;
2136		2347
2137	$self	2348	$self
2138	}	2349	}
2139		2350
2140	# find and load all maps in the 3x3 area around a map
2141	sub load_neighbours {
2142	my ($map) = @_;
2143
2144	my @neigh; # diagonal neighbours
2145
2146	for (0 .. 3) {
2147	my $neigh = $map->tile_path ($_)
2148	or next;
2149	$neigh = find $neigh, $map
2150	or next;
2151	$neigh->load;
2152
2153	push @neigh,
2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2156	}
2157
2158	for (grep defined $_->[0], @neigh) {
2159	my ($path, $origin) = @$_;
2160	my $neigh = find $path, $origin
2161	or next;
2162	$neigh->load;
2163	}
2164	}
2165
2166	sub find_sync {	2351	sub find_sync {
2167	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
2168		2353
2169	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
2170	}	2359	}
2171		2360
2172	sub do_load_sync {	2361	sub do_load_sync {
2173	my ($map) = @_;	2362	my ($map) = @_;
2174		2363
		2364	# it's a bug to call this from the main context
2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2176	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
2177		2367
2178	cf::sync_job { $map->load };	2368	$map->load;
2179	}	2369	}
2180		2370
2181	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
2182	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
2183		2373
2184	sub find_async {	2374	sub find_async {
2185	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
2186		2376
2187	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2188		2378
2189	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2380	return $map if !$load || $map->linkable;
2191	}	2381	}
2192		2382
2193	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2194		2384
2195	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
…		…
2209	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2210		2400
2211	()	2401	()
2212	}	2402	}
2213		2403
		2404	# common code, used by both ->save and ->swapout
2214	sub save {	2405	sub _save {
2215	my ($self) = @_;	2406	my ($self) = @_;
2216
2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
2218		2407
2219	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2220		2409
2221	return unless $self->dirty;	2410	return unless $self->dirty;
2222		2411
…		…
2242	} else {	2431	} else {
2243	$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);
2244	}	2433	}
2245	}	2434	}
2246		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2247	sub swap_out {	2444	sub swap_out {
2248	my ($self) = @_;	2445	my ($self) = @_;
2249		2446
2250	# save first because save cedes
2251	$self->save;
2252
2253	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2254		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2255	return if $self->players;	2451	return if $self->players;
2256	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
2257	return if $self->{deny_save};	2469	return 1e99 if $self->{deny_reset};
2258		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
2259	$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};
2260		2503
2261	$self->deactivate;	2504	$self->deactivate;
2262	$_->clear_links_to ($self) for values %cf::MAP;	2505	$_->clear_links_to ($self) for values %cf::MAP;
2263	$self->clear;	2506	$self->clear;
2264	}
2265
2266	sub reset_at {
2267	my ($self) = @_;
2268
2269	# TODO: safety, remove and allow resettable per-player maps
2270	return 1e99 if $self->{deny_reset};
2271
2272	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2273	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2274
2275	$time + $to
2276	}
2277
2278	sub should_reset {
2279	my ($self) = @_;
2280
2281	$self->reset_at <= $cf::RUNTIME
2282	}
2283
2284	sub reset {
2285	my ($self) = @_;
2286
2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
2288
2289	return if $self->players;
2290
2291	warn "resetting map ", $self->path;
2292
2293	$self->in_memory (cf::MAP_SWAPPED);
2294
2295	# need to save uniques path
2296	unless ($self->{deny_save}) {
2297	my $uniq = $self->uniq_path; utf8::encode $uniq;
2298
2299	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2300	if $uniq;
2301	}
2302
2303	delete $cf::MAP{$self->path};
2304
2305	$self->deactivate;
2306	$_->clear_links_to ($self) for values %cf::MAP;
2307	$self->clear;
2308		2507
2309	$self->unlink_save;	2508	$self->unlink_save;
2310	$self->destroy;	2509	$self->destroy;
2311	}	2510	}
2312		2511
…		…
2320		2519
2321	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2322		2521
2323	$self->unlink_save;	2522	$self->unlink_save;
2324		2523
2325	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2326	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2327	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2328	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2330		2529
…		…
2387	: normalise $_	2586	: normalise $_
2388	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2389	]	2588	]
2390	}	2589	}
2391		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
2392	=back	2623	=back
2393		2624
2394	=head3 cf::object	2625	=head3 cf::object
2395		2626
2396	=cut	2627	=cut
…		…
2419		2650
2420	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.
2421		2652
2422	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2423		2654
2424	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,
2425	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2426		2657
2427	=cut	2658	=cut
2428		2659
2429	sub deref {	2660	sub deref {
…		…
2457	can be C<undef>. Does the right thing when the player is currently in a	2688	can be C<undef>. Does the right thing when the player is currently in a
2458	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2459		2690
2460	=cut	2691	=cut
2461		2692
		2693	our $SAY_CHANNEL = {
		2694	id => "say",
		2695	title => "Map",
		2696	reply => "say ",
		2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2698	};
		2699
		2700	our $CHAT_CHANNEL = {
		2701	id => "chat",
		2702	title => "Chat",
		2703	reply => "chat ",
		2704	tooltip => "Player chat and shouts, global to the server.",
		2705	};
		2706
2462	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2463	# with dialog boxes.	2708	# with dialog boxes.
2464	#TODO: the first argument must go, split into a $npc->reply_to ( method	2709	#TODO: the first argument must go, split into a $npc->reply_to ( method
2465	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
2466	my ($self, $npc, $msg, $flags) = @_;	2711	my ($self, $npc, $msg, $flags) = @_;
…		…
2477	my $dialog = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2479		2724
2480	} else {	2725	} else {
2481	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2482	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2483	}	2728	}
2484	}	2729	}
2485	}	2730	}
2486		2731
2487	=item $object->send_msg ($channel, $msg, $color, [extra...])	2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2512		2757
2513	=item $player_object->enter_link	2758	=item $player_object->enter_link
2514		2759
2515	Freezes the player and moves him/her to a special map (C<{link}>).	2760	Freezes the player and moves him/her to a special map (C<{link}>).
2516		2761
2517	The player should be reasonably safe there for short amounts of time. You	2762	The player should be reasonably safe there for short amounts of time (e.g.
2518	I<MUST> call C<leave_link> as soon as possible, though.	2763	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2764	though, as the player cannot control the character while it is on the link
		2765	map.
2519		2766
2520	Will never block.	2767	Will never block.
2521		2768
2522	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2523		2770
…		…
2543	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2544	my ($self) = @_;	2791	my ($self) = @_;
2545		2792
2546	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2547		2794
		2795	++$self->{_link_recursion};
		2796
2548	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2549		2798
2550	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2551	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2552		2801
2553	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2554	}	2803	}
2555		2804
2556	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2557	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2558		2807
…		…
2575	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2576	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2577		2826
2578	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2579	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2580	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2581		2830
2582	$map->load;	2831	$map->load;
2583	$map->load_neighbours;
2584		2832
2585	return unless $self->contr->active;	2833	return unless $self->contr->active;
2586	$self->activate_recursive;
2587		2834
2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2589	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2590	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2591		2842
		2843	}
		2844
2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2593		2846
2594	Moves the player to the given map-path and coordinates by first freezing	2847	Moves the player to the given map-path and coordinates by first freezing
2595	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2596	that has to return the map if sucecssful, and then unfreezes the player on	2849	that has to return the map if sucecssful, and then unfreezes the player on
2597	the new (success) or old (failed) map position. In either case, $done will	2850	the new (success) or old (failed) map position. In either case, $done will
2598	be called at the end of this process.	2851	be called at the end of this process.
2599		2852
		2853	Note that $check will be called with a potentially non-loaded map, so if
		2854	it needs a loaded map it has to call C<< ->load >>.
		2855
2600	=cut	2856	=cut
2601		2857
2602	our $GOTOGEN;	2858	our $GOTOGEN;
2603		2859
2604	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2605	my ($self, $path, $x, $y, $check, $done) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
2606		2868
2607	# do generation counting so two concurrent goto's will be executed in-order	2869	# do generation counting so two concurrent goto's will be executed in-order
2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2609		2871
2610	$self->enter_link;	2872	$self->enter_link;
…		…
2630	($path, $x, $y) = (undef, undef, undef);	2892	($path, $x, $y) = (undef, undef, undef);
2631	}	2893	}
2632	}	2894	}
2633		2895
2634	my $map = eval {	2896	my $map = eval {
2635	my $map = defined $path ? cf::map::find $path : undef;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2636		2898
2637	if ($map) {	2899	if ($map) {
2638	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2639	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2640	} else {	2902	} else {
2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2642	}	2904	}
2643		2905
2644	$map	2906	$map
…		…
2652	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2653	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2654	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2655	}	2917	}
2656		2918
2657	$done->() if $done;	2919	$done->($self) if $done;
2658	})->prio (1);	2920	})->prio (1);
2659	}	2921	}
2660		2922
2661	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2662		2924
…		…
2682	}	2944	}
2683		2945
2684	sub prepare_random_map {	2946	sub prepare_random_map {
2685	my ($exit) = @_;	2947	my ($exit) = @_;
2686		2948
2687	my $guard = cf::lock_acquire "exit_prepare:$exit";
2688
2689	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
2690	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
2691	# that depends on the exit object	2951	# that depends on the exit object
2692		2952
2693	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2695	if ($exit->map) {	2955	if ($exit->map) {
2696	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2697	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2698	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2699	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2700	}	2962	}
2701		2963
2702	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2703		2965
2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
…		…
2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2709	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2710	undef $fh;	2972	undef $fh;
2711	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2712		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2713	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2714	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2715	}	2981	}
2716	}	2982	}
2717		2983
2718	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2719	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2720		2986
2721	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2722		2988
2723	if ($exit->slaying eq "/!") {
2724	#TODO: this should de-fi-ni-te-ly not be a sync-job
2725	# the problem is that $exit might not survive long enough
2726	# so it needs to be done right now, right here
2727	cf::sync_job { prepare_random_map $exit };
2728	}
2729
2730	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2731	my $hp = $exit->stats->hp;
2732	my $sp = $exit->stats->sp;
2733
2734	$self->enter_link;	2989	$self->enter_link;
2735		2990
2736	# if exit is damned, update players death & WoR home-position
2737	$self->contr->savebed ($slaying, $hp, $sp)
2738	if $exit->flag (FLAG_DAMNED);
2739
2740	(async {	2991	(async {
2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2992	$Coro::current->{desc} = "enter_exit";
2742		2993
2743	$self->deactivate_recursive; # just to be sure
2744	unless (eval {	2994	unless (eval {
		2995	$self->deactivate_recursive; # just to be sure
		2996
		2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2998	my $x = $exit->stats->hp;
		2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
		3023
2745	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2746		3025
		3026	# if exit is damned, update players death & WoR home-position
		3027	$self->contr->savebed ($map, $x, $y)
		3028	if $exit->flag (cf::FLAG_DAMNED);
		3029
2747	1;	3030	1
2748	}) {	3031	}) {
2749	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2750	. "I'll try to bring you back to the map you were before. "	3033	. "I'll try to bring you back to the map you were before. "
2751	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2752	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2753		3036
2754	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2755	$self->leave_link;	3038	$self->leave_link;
2756	}	3039	}
2757	})->prio (1);	3040	})->prio (1);
2758	}	3041	}
2759		3042
2760	=head3 cf::client	3043	=head3 cf::client
2761		3044
2762	=over 4	3045	=over 4
2763		3046
2764	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2765		3048
2766	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2767	should not be used under normal circumstances.	3050	them as required.
2768		3051
2769	=cut	3052	=cut
2770		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
2771	sub cf::client::send_drawinfo {	3056	sub cf::client::send_big_packet {
2772	my ($self, $text, $flags) = @_;	3057	my ($self, $pkt) = @_;
2773		3058
2774	utf8::encode $text;	3059	# try lzf for large packets
2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3060	$pkt = "lzf " . Compress::LZF::compress $pkt
		3061	if 1024 <= length $pkt and $self->{can_lzf};
		3062
		3063	# split very large packets
		3064	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3065	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3066	$pkt = "frag";
		3067	}
		3068
		3069	$self->send_packet ($pkt);
2776	}	3070	}
2777		3071
2778	=item $client->send_msg ($channel, $msg, $color, [extra...])	3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
2779		3073
2780	Send a drawinfo or msg packet to the client, formatting the msg for the	3074	Send a msg packet to the client, formatting the msg for the client if
2781	client if neccessary. C<$type> should be a string identifying the type of	3075	necessary. C<$type> should be a string identifying the type of the
2782	the message, with C<log> being the default. If C<$color> is negative, suppress	3076	message, with C<log> being the default. If C<$color> is negative, suppress
2783	the message unless the client supports the msg packet.	3077	the message unless the client supports the msg packet.
2784		3078
2785	=cut	3079	=cut
2786		3080
2787	# non-persistent channels (usually the info channel)	3081	# non-persistent channels (usually the info channel)
2788	our %CHANNEL = (	3082	our %CHANNEL = (
		3083	"c/motd" => {
		3084	id => "infobox",
		3085	title => "MOTD",
		3086	reply => undef,
		3087	tooltip => "The message of the day",
		3088	},
2789	"c/identify" => {	3089	"c/identify" => {
2790	id => "infobox",	3090	id => "infobox",
2791	title => "Identify",	3091	title => "Identify",
2792	reply => undef,	3092	reply => undef,
2793	tooltip => "Items recently identified",	3093	tooltip => "Items recently identified",
…		…
2795	"c/examine" => {	3095	"c/examine" => {
2796	id => "infobox",	3096	id => "infobox",
2797	title => "Examine",	3097	title => "Examine",
2798	reply => undef,	3098	reply => undef,
2799	tooltip => "Signs and other items you examined",	3099	tooltip => "Signs and other items you examined",
		3100	},
		3101	"c/shopinfo" => {
		3102	id => "infobox",
		3103	title => "Shop Info",
		3104	reply => undef,
		3105	tooltip => "What your bargaining skill tells you about the shop",
2800	},	3106	},
2801	"c/book" => {	3107	"c/book" => {
2802	id => "infobox",	3108	id => "infobox",
2803	title => "Book",	3109	title => "Book",
2804	reply => undef,	3110	reply => undef,
…		…
2820	id => "infobox",	3126	id => "infobox",
2821	title => "Body Parts",	3127	title => "Body Parts",
2822	reply => undef,	3128	reply => undef,
2823	tooltip => "Shows which body parts you posess and are available",	3129	tooltip => "Shows which body parts you posess and are available",
2824	},	3130	},
		3131	"c/statistics" => {
		3132	id => "infobox",
		3133	title => "Statistics",
		3134	reply => undef,
		3135	tooltip => "Shows your primary statistics",
		3136	},
		3137	"c/skills" => {
		3138	id => "infobox",
		3139	title => "Skills",
		3140	reply => undef,
		3141	tooltip => "Shows your experience per skill and item power",
		3142	},
		3143	"c/shopitems" => {
		3144	id => "infobox",
		3145	title => "Shop Items",
		3146	reply => undef,
		3147	tooltip => "Shows the items currently for sale in this shop",
		3148	},
		3149	"c/resistances" => {
		3150	id => "infobox",
		3151	title => "Resistances",
		3152	reply => undef,
		3153	tooltip => "Shows your resistances",
		3154	},
		3155	"c/pets" => {
		3156	id => "infobox",
		3157	title => "Pets",
		3158	reply => undef,
		3159	tooltip => "Shows information abotu your pets/a specific pet",
		3160	},
		3161	"c/perceiveself" => {
		3162	id => "infobox",
		3163	title => "Perceive Self",
		3164	reply => undef,
		3165	tooltip => "You gained detailed knowledge about yourself",
		3166	},
2825	"c/uptime" => {	3167	"c/uptime" => {
2826	id => "infobox",	3168	id => "infobox",
2827	title => "Uptime",	3169	title => "Uptime",
2828	reply => undef,	3170	reply => undef,
2829	tooltip => "How long the server has been running since last restart",	3171	tooltip => "How long the server has been running since last restart",
…		…
2838	id => "party",	3180	id => "party",
2839	title => "Party",	3181	title => "Party",
2840	reply => "gsay ",	3182	reply => "gsay ",
2841	tooltip => "Messages and chat related to your party",	3183	tooltip => "Messages and chat related to your party",
2842	},	3184	},
		3185	"c/death" => {
		3186	id => "death",
		3187	title => "Death",
		3188	reply => undef,
		3189	tooltip => "Reason for and more info about your most recent death",
		3190	},
		3191	"c/fatal" => {
		3192	id => "fatal",
		3193	title => "Fatal Error",
		3194	reply => undef,
		3195	tooltip => "Reason for the server disconnect",
		3196	},
		3197	"c/say" => $SAY_CHANNEL,
		3198	"c/chat" => $CHAT_CHANNEL,
2843	);	3199	);
2844		3200
2845	sub cf::client::send_msg {	3201	sub cf::client::send_msg {
2846	my ($self, $channel, $msg, $color, @extra) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2847		3203
2848	$msg = $self->pl->expand_cfpod ($msg);	3204	$msg = $self->pl->expand_cfpod ($msg)
		3205	unless $color & cf::NDI_VERBATIM;
2849		3206
2850	$color &= cf::NDI_CLIENT_MASK; # just in case...	3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
2851		3208
2852	# check predefined channels, for the benefit of C	3209	# check predefined channels, for the benefit of C
2853	if ($CHANNEL{$channel}) {	3210	if ($CHANNEL{$channel}) {
2854	$channel = $CHANNEL{$channel};	3211	$channel = $CHANNEL{$channel};
2855		3212
2856	$self->ext_msg (channel_info => $channel)	3213	$self->ext_msg (channel_info => $channel);
2857	if $self->can_msg;
2858
2859	$channel = $channel->{id};	3214	$channel = $channel->{id};
2860		3215
2861	} elsif (ref $channel) {	3216	} elsif (ref $channel) {
2862	# send meta info to client, if not yet sent	3217	# send meta info to client, if not yet sent
2863	unless (exists $self->{channel}{$channel->{id}}) {	3218	unless (exists $self->{channel}{$channel->{id}}) {
2864	$self->{channel}{$channel->{id}} = $channel;	3219	$self->{channel}{$channel->{id}} = $channel;
2865	$self->ext_msg (channel_info => $channel)	3220	$self->ext_msg (channel_info => $channel);
2866	if $self->can_msg;
2867	}	3221	}
2868		3222
2869	$channel = $channel->{id};	3223	$channel = $channel->{id};
2870	}	3224	}
2871		3225
2872	return unless @extra || length $msg;	3226	return unless @extra || length $msg;
2873		3227
2874	if ($self->can_msg) {
2875	# default colour, mask it out	3228	# default colour, mask it out
2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2877	if $color & cf::NDI_DEF;	3230	if $color & cf::NDI_DEF;
2878		3231
2879	$self->send_packet ("msg " . $self->{json_coder}->encode (	3232	my $pkt = "msg "
		3233	. $self->{json_coder}->encode (
2880	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2881	} else {	3235	);
2882	if ($color >= 0) {
2883	# replace some tags by gcfclient-compatible ones
2884	for ($msg) {
2885	1 while
2886	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2887	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2888	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2889	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2890	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2891	}
2892		3236
2893	$color &= cf::NDI_COLOR_MASK;	3237	$self->send_big_packet ($pkt);
2894
2895	utf8::encode $msg;
2896
2897	if (0 && $msg =~ /\[/) {
2898	# COMMAND/INFO
2899	$self->send_packet ("drawextinfo $color 10 8 $msg")
2900	} else {
2901	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2902	$self->send_packet ("drawinfo $color $msg")
2903	}
2904	}
2905	}
2906	}	3238	}
2907		3239
2908	=item $client->ext_msg ($type, @msg)	3240	=item $client->ext_msg ($type, @msg)
2909		3241
2910	Sends an ext event to the client.	3242	Sends an ext event to the client.
…		…
2912	=cut	3244	=cut
2913		3245
2914	sub cf::client::ext_msg($$@) {	3246	sub cf::client::ext_msg($$@) {
2915	my ($self, $type, @msg) = @_;	3247	my ($self, $type, @msg) = @_;
2916		3248
2917	if ($self->extcmd == 2) {
2918	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2919	} elsif ($self->extcmd == 1) { # TODO: remove
2920	push @msg, msgtype => "event_$type";
2921	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2922	}
2923	}
2924
2925	=item $client->ext_reply ($msgid, @msg)
2926
2927	Sends an ext reply to the client.
2928
2929	=cut
2930
2931	sub cf::client::ext_reply($$@) {
2932	my ($self, $id, @msg) = @_;
2933
2934	if ($self->extcmd == 2) {
2935	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2936	} elsif ($self->extcmd == 1) {
2937	#TODO: version 1, remove
2938	unshift @msg, msgtype => "reply", msgid => $id;
2939	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2940	}
2941	}	3250	}
2942		3251
2943	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2944		3253
2945	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
…		…
2965		3274
2966	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2967	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
2968		3277
2969	1	3278	1
		3279	}
		3280
		3281	=item $client->update_command_faces
		3282
		3283	=cut
		3284
		3285	our %COMMAND_FACE;
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = grep $_,
		3291	$COMMAND_FACE{standard},
		3292	$COMMAND_FACE{emote},
		3293	$COMMAND_FACE{skill},
		3294	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3295	;
		3296
		3297	$self->send_face ($_)
		3298	for @faces;
		3299	$self->flush_fx;
		3300
		3301	$self->ext_msg (command_list => @faces);
		3302	}
		3303
		3304	=item cf::client::set_command_face $type, $commands
		3305
		3306	=cut
		3307
		3308	sub cf::client::set_command_face {
		3309	my ($type, $list) = @_;
		3310
		3311	my $idx = &cf::face::set ( #d# ugly forward reference
		3312	"command_list/$type" => cf::FT_RSRC,
		3313	JSON::XS->new->utf8->encode ([ sort @$list ])
		3314	);
		3315
		3316	$COMMAND_FACE{$type} = $idx;
2970	}	3317	}
2971		3318
2972	cf::client->attach (	3319	cf::client->attach (
2973	on_connect => sub {	3320	on_connect => sub {
2974	my ($ns) = @_;	3321	my ($ns) = @_;
…		…
3000	my ($ns, $buf) = @_;	3347	my ($ns, $buf) = @_;
3001		3348
3002	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3349	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3003		3350
3004	if (ref $msg) {	3351	if (ref $msg) {
3005	my ($type, $reply, @payload) =	3352	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3006	"ARRAY" eq ref $msg
3007	? @$msg
3008	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3009		3353
3010	my @reply;
3011
3012	if (my $cb = $EXTICMD{$type}) {	3354	if (my $cb = $EXTIACMD{$type}) {
		3355	$cb->(
		3356	$ns,
		3357	sub {
		3358	$ns->ext_msg ("reply-$reply", @_)
		3359	if $reply;
		3360	},
		3361	@payload
		3362	);
		3363	} else {
		3364	my @reply;
		3365
		3366	if (my $cb = $EXTICMD{$type}) {
3013	@reply = $cb->($ns, @payload);	3367	@reply = $cb->($ns, @payload);
		3368	}
		3369
		3370	$ns->ext_msg ("reply-$reply", @reply)
		3371	if $reply;
3014	}	3372	}
3015
3016	$ns->ext_reply ($reply, @reply)
3017	if $reply;
3018
3019	} else {	3373	} else {
3020	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3374	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3021	}	3375	}
3022		3376
3023	cf::override;	3377	cf::override;
3024	},	3378	},
3025	);	3379	);
…		…
3045		3399
3046	$coro	3400	$coro
3047	}	3401	}
3048		3402
3049	cf::client->attach (	3403	cf::client->attach (
3050	on_destroy => sub {	3404	on_client_destroy => sub {
3051	my ($ns) = @_;	3405	my ($ns) = @_;
3052		3406
3053	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3407	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3054	},	3408	},
3055	);	3409	);
…		…
3071	our $safe_hole = new Safe::Hole;	3425	our $safe_hole = new Safe::Hole;
3072		3426
3073	$SIG{FPE} = 'IGNORE';	3427	$SIG{FPE} = 'IGNORE';
3074		3428
3075	$safe->permit_only (Opcode::opset qw(	3429	$safe->permit_only (Opcode::opset qw(
3076	:base_core :base_mem :base_orig :base_math	3430	:base_core :base_mem :base_orig :base_math :base_loop
3077	grepstart grepwhile mapstart mapwhile	3431	grepstart grepwhile mapstart mapwhile
3078	sort time	3432	sort time
3079	));	3433	));
3080		3434
3081	# here we export the classes and methods available to script code	3435	# here we export the classes and methods available to script code
…		…
3085	The following functions and methods are available within a safe environment:	3439	The following functions and methods are available within a safe environment:
3086		3440
3087	cf::object	3441	cf::object
3088	contr pay_amount pay_player map x y force_find force_add destroy	3442	contr pay_amount pay_player map x y force_find force_add destroy
3089	insert remove name archname title slaying race decrease split	3443	insert remove name archname title slaying race decrease split
		3444	value
3090		3445
3091	cf::object::player	3446	cf::object::player
3092	player	3447	player
3093		3448
3094	cf::player	3449	cf::player
…		…
3099		3454
3100	=cut	3455	=cut
3101		3456
3102	for (	3457	for (
3103	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3458	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3104	insert remove inv name archname title slaying race	3459	insert remove inv nrof name archname title slaying race
3105	decrease split destroy)],	3460	decrease split destroy change_exp value msg lore send_msg)],
3106	["cf::object::player" => qw(player)],	3461	["cf::object::player" => qw(player)],
3107	["cf::player" => qw(peaceful)],	3462	["cf::player" => qw(peaceful send_msg)],
3108	["cf::map" => qw(trigger)],	3463	["cf::map" => qw(trigger)],
3109	) {	3464	) {
3110	no strict 'refs';
3111	my ($pkg, @funs) = @$_;	3465	my ($pkg, @funs) = @$_;
3112	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3466	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3113	for @funs;	3467	for @funs;
3114	}	3468	}
3115		3469
…		…
3130		3484
3131	my $qcode = $code;	3485	my $qcode = $code;
3132	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3486	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3133	$qcode =~ s/\n/\\n/g;	3487	$qcode =~ s/\n/\\n/g;
3134		3488
		3489	%vars = (_dummy => 0) unless %vars;
		3490
		3491	my @res;
3135	local $_;	3492	local $_;
3136	local @safe::cf::_safe_eval_args = values %vars;
3137		3493
3138	my $eval =	3494	my $eval =
3139	"do {\n"	3495	"do {\n"
3140	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3496	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3141	. "#line 0 \"{$qcode}\"\n"	3497	. "#line 0 \"{$qcode}\"\n"
3142	. $code	3498	. $code
3143	. "\n}"	3499	. "\n}"
3144	;	3500	;
3145		3501
		3502	if ($CFG{safe_eval}) {
3146	sub_generation_inc;	3503	sub_generation_inc;
		3504	local @safe::cf::_safe_eval_args = values %vars;
3147	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3505	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3148	sub_generation_inc;	3506	sub_generation_inc;
		3507	} else {
		3508	local @cf::_safe_eval_args = values %vars;
		3509	@res = wantarray ? eval eval : scalar eval $eval;
		3510	}
3149		3511
3150	if ($@) {	3512	if ($@) {
3151	warn "$@";	3513	warn "$@",
3152	warn "while executing safe code '$code'\n";	3514	"while executing safe code '$code'\n",
3153	warn "with arguments " . (join " ", %vars) . "\n";	3515	"with arguments " . (join " ", %vars) . "\n";
3154	}	3516	}
3155		3517
3156	wantarray ? @res : $res[0]	3518	wantarray ? @res : $res[0]
3157	}	3519	}
3158		3520
…		…
3172	=cut	3534	=cut
3173		3535
3174	sub register_script_function {	3536	sub register_script_function {
3175	my ($fun, $cb) = @_;	3537	my ($fun, $cb) = @_;
3176		3538
3177	no strict 'refs';	3539	$fun = "safe::$fun" if $CFG{safe_eval};
3178	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3540	*$fun = $safe_hole->wrap ($cb);
3179	}	3541	}
3180		3542
3181	=back	3543	=back
3182		3544
3183	=cut	3545	=cut
3184		3546
3185	#############################################################################	3547	#############################################################################
3186	# the server's init and main functions	3548	# the server's init and main functions
3187		3549
		3550	{
		3551	package cf::face;
		3552
		3553	our %HASH; # hash => idx
		3554	our @DATA; # dynamically-created facedata, only faceste 0 used
		3555	our @FOFS; # file offset, if > 0
		3556	our @SIZE; # size of face, in octets
		3557	our @META; # meta hash of face, if any
		3558	our $DATAFH; # facedata filehandle
		3559
		3560	# internal api, not finalised
		3561	sub set {
		3562	my ($name, $type, $data) = @_;
		3563
		3564	my $idx = cf::face::find $name;
		3565
		3566	if ($idx) {
		3567	delete $HASH{cf::face::get_csum $idx};
		3568	} else {
		3569	$idx = cf::face::alloc $name;
		3570	}
		3571
		3572	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3573
		3574	cf::face::set_type $idx, $type;
		3575	cf::face::set_csum $idx, 0, $hash;
		3576
		3577	# we need to destroy the SV itself, not just modify it, as a running ix
		3578	# might hold a reference to it: "delete" achieves that.
		3579	delete $FOFS[0][$idx];
		3580	delete $DATA[0][$idx];
		3581	$DATA[0][$idx] = $data;
		3582	$SIZE[0][$idx] = length $data;
		3583	delete $META[$idx];
		3584	$HASH{$hash} = $idx;#d#
		3585
		3586	$idx
		3587	}
		3588
		3589	sub _get_data($$$) {
		3590	my ($idx, $set, $cb) = @_;
		3591
		3592	if (defined $DATA[$set][$idx]) {
		3593	$cb->($DATA[$set][$idx]);
		3594	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3595	my $size = $SIZE[$set][$idx];
		3596	my $buf;
		3597	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3598	if ($_[0] == $size) {
		3599	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3600	$cb->($buf);
		3601	} else {
		3602	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3603	}
		3604	};
		3605	} else {
		3606	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3607	}
		3608	}
		3609
		3610	# rather ineffient
		3611	sub cf::face::get_data($;$) {
		3612	my ($idx, $set) = @_;
		3613
		3614	_get_data $idx, $set, Coro::rouse_cb;
		3615	Coro::rouse_wait
		3616	}
		3617
		3618	sub cf::face::ix {
		3619	my ($ns, $set, $idx, $pri) = @_;
		3620
		3621	_get_data $idx, $set, sub {
		3622	$ns->ix_send ($idx, $pri, $_[0]);
		3623	};
		3624	}
		3625	}
		3626
3188	sub load_facedata($) {	3627	sub load_facedata($) {
3189	my ($path) = @_;	3628	my ($path) = @_;
3190		3629
3191	# HACK to clear player env face cache, we need some signal framework
3192	# for this (global event?)
3193	%ext::player_env::MUSIC_FACE_CACHE = ();
3194
3195	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3630	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3196		3631
3197	warn "loading facedata from $path\n";	3632	trace "loading facedata from $path\n";
3198		3633
3199	my $facedata;	3634	my $facedata = decode_storable load_file "$path/faceinfo";
3200	0 < aio_load $path, $facedata
3201	or die "$path: $!";
3202
3203	$facedata = Coro::Storable::thaw $facedata;
3204		3635
3205	$facedata->{version} == 2	3636	$facedata->{version} == 2
3206	or cf::cleanup "$path: version mismatch, cannot proceed.";	3637	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3207		3638
3208	# patch in the exptable	3639	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3209	$facedata->{resource}{"res/exp_table"} = {	3640	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3210	type => FT_RSRC,	3641
3211	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3642	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3212	};	3643
3213	cf::cede_to_tick;	3644	# BEGIN ATOMIC
		3645	# from here on, everything must be atomic - no thread switch allowed
		3646	my $t1 = EV::time;
3214		3647
3215	{	3648	{
3216	my $faces = $facedata->{faceinfo};	3649	my $faces = $facedata->{faceinfo};
3217		3650
3218	while (my ($face, $info) = each %$faces) {	3651	for my $face (sort keys %$faces) {
		3652	my $info = $faces->{$face};
3219	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3653	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3220		3654
3221	cf::face::set_visibility $idx, $info->{visibility};	3655	cf::face::set_visibility $idx, $info->{visibility};
3222	cf::face::set_magicmap $idx, $info->{magicmap};	3656	cf::face::set_magicmap $idx, $info->{magicmap};
3223	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3657	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3224	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3658	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3225		3659	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3226	cf::cede_to_tick;	3660	$cf::face::HASH{$info->{hash64}} = $idx;
		3661	delete $cf::face::META[$idx];
3227	}	3662	}
3228		3663
3229	while (my ($face, $info) = each %$faces) {	3664	while (my ($face, $info) = each %$faces) {
3230	next unless $info->{smooth};	3665	next unless $info->{smooth};
3231		3666
…		…
3234		3669
3235	if (my $smooth = cf::face::find $info->{smooth}) {	3670	if (my $smooth = cf::face::find $info->{smooth}) {
3236	cf::face::set_smooth $idx, $smooth;	3671	cf::face::set_smooth $idx, $smooth;
3237	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3672	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3238	} else {	3673	} else {
3239	warn "smooth face '$info->{smooth}' not found for face '$face'";	3674	error "smooth face '$info->{smooth}' not found for face '$face'";
3240	}	3675	}
3241
3242	cf::cede_to_tick;
3243	}	3676	}
3244	}	3677	}
3245		3678
3246	{	3679	{
3247	my $anims = $facedata->{animinfo};	3680	my $anims = $facedata->{animinfo};
3248		3681
3249	while (my ($anim, $info) = each %$anims) {	3682	while (my ($anim, $info) = each %$anims) {
3250	cf::anim::set $anim, $info->{frames}, $info->{facings};	3683	cf::anim::set $anim, $info->{frames}, $info->{facings};
3251	cf::cede_to_tick;
3252	}	3684	}
3253		3685
3254	cf::anim::invalidate_all; # d'oh	3686	cf::anim::invalidate_all; # d'oh
3255	}	3687	}
3256		3688
3257	{	3689	{
3258	# TODO: for gcfclient pleasure, we should give resources
3259	# that gcfclient doesn't grok a >10000 face index.
3260	my $res = $facedata->{resource};	3690	my $res = $facedata->{resource};
3261		3691
3262	while (my ($name, $info) = each %$res) {	3692	while (my ($name, $info) = each %$res) {
3263	if (defined $info->{type}) {	3693	if (defined (my $type = $info->{type})) {
		3694	# TODO: different hash - must free and use new index, or cache ixface data queue
3264	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3695	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3265	my $data;
3266		3696
3267	if ($info->{type} & 1) {
3268	# prepend meta info
3269
3270	my $meta = $enc->encode ({
3271	name => $name,
3272	%{ $info->{meta} || {} },
3273	});
3274
3275	$data = pack "(w/a*)*", $meta, $info->{data};
3276	} else {
3277	$data = $info->{data};
3278	}
3279
3280	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3281	cf::face::set_type $idx, $info->{type};	3697	cf::face::set_type $idx, $type;
		3698	cf::face::set_csum $idx, 0, $info->{hash};
		3699	$cf::face::SIZE[0][$idx] = $info->{size};
		3700	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3701	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3702	$cf::face::HASH{$info->{hash}} = $idx;
3282	} else {	3703	} else {
3283	$RESOURCE{$name} = $info;	3704	# $RESOURCE{$name} = $info; # unused
3284	}	3705	}
3285
3286	cf::cede_to_tick;
3287	}	3706	}
3288	}	3707	}
		3708
		3709	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3710
		3711	# HACK to clear player env face cache, we need some signal framework
		3712	# for this (global event?)
		3713	%ext::player_env::MUSIC_FACE_CACHE = ();
		3714
		3715	# END ATOMIC
		3716
		3717	cf::debug "facedata atomic update time ", EV::time - $t1;
3289		3718
3290	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3719	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3291		3720
		3721	aio_close $fh if $fh; # close old facedata
		3722
3292	1	3723	1
3293	}	3724	}
3294
3295	cf::global->attach (on_resource_update => sub {
3296	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3297	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3298
3299	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3300	my $sound = $soundconf->{compat}[$_]
3301	or next;
3302
3303	my $face = cf::face::find "sound/$sound->[1]";
3304	cf::sound::set $sound->[0] => $face;
3305	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3306	}
3307
3308	while (my ($k, $v) = each %{$soundconf->{event}}) {
3309	my $face = cf::face::find "sound/$v";
3310	cf::sound::set $k => $face;
3311	}
3312	}
3313	});
3314		3725
3315	register_exticmd fx_want => sub {	3726	register_exticmd fx_want => sub {
3316	my ($ns, $want) = @_;	3727	my ($ns, $want) = @_;
3317		3728
3318	while (my ($k, $v) = each %$want) {	3729	while (my ($k, $v) = each %$want) {
…		…
3326	my $status = load_resource_file_ $_[0];	3737	my $status = load_resource_file_ $_[0];
3327	get_slot 0.1, 100;	3738	get_slot 0.1, 100;
3328	cf::arch::commit_load;	3739	cf::arch::commit_load;
3329		3740
3330	$status	3741	$status
		3742	}
		3743
		3744	sub reload_exp_table {
		3745	_reload_exp_table;
		3746
		3747	cf::face::set
		3748	"res/exp_table" => FT_RSRC,
		3749	JSON::XS->new->utf8->canonical->encode (
		3750	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3751	);
		3752	}
		3753
		3754	sub reload_materials {
		3755	_reload_materials;
3331	}	3756	}
3332		3757
3333	sub reload_regions {	3758	sub reload_regions {
3334	# HACK to clear player env face cache, we need some signal framework	3759	# HACK to clear player env face cache, we need some signal framework
3335	# for this (global event?)	3760	# for this (global event?)
…		…
3343	if exists $_->{match};	3768	if exists $_->{match};
3344	}	3769	}
3345	}	3770	}
3346		3771
3347	sub reload_facedata {	3772	sub reload_facedata {
3348	load_facedata "$DATADIR/facedata"	3773	load_facedata $DATADIR
3349	or die "unable to load facedata\n";	3774	or die "unable to load facedata\n";
3350	}	3775	}
3351		3776
3352	sub reload_archetypes {	3777	sub reload_archetypes {
3353	load_resource_file "$DATADIR/archetypes"	3778	load_resource_file "$DATADIR/archetypes"
3354	or die "unable to load archetypes\n";	3779	or die "unable to load archetypes\n";
		3780
		3781	cf::face::set
		3782	"res/skill_info" => FT_RSRC,
		3783	JSON::XS->new->utf8->canonical->encode (
		3784	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3785	);
		3786
		3787	cf::face::set
		3788	"res/spell_paths" => FT_RSRC,
		3789	JSON::XS->new->utf8->canonical->encode (
		3790	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3791	);
		3792
		3793	# command completion
		3794	my @commands;
		3795
		3796	for (0..cf::arch::skillvec_size - 1) {
		3797	my $skill = cf::arch::skillvec $_;
		3798	my $name = $skill->name;
		3799	my $flags = cf::skill_flags $skill->subtype;
		3800
		3801	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3802	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3803	}
		3804
		3805	cf::client::set_command_face skill => \@commands;
3355	}	3806	}
3356		3807
3357	sub reload_treasures {	3808	sub reload_treasures {
3358	load_resource_file "$DATADIR/treasures"	3809	load_resource_file "$DATADIR/treasures"
3359	or die "unable to load treasurelists\n";	3810	or die "unable to load treasurelists\n";
3360	}	3811	}
3361		3812
		3813	sub reload_sound {
		3814	trace "loading sound config from $DATADIR/sound\n";
		3815
		3816	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3817
		3818	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3819	my $sound = $soundconf->{compat}[$_]
		3820	or next;
		3821
		3822	my $face = cf::face::find "sound/$sound->[1]";
		3823	cf::sound::set $sound->[0] => $face;
		3824	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3825	}
		3826
		3827	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3828	my $face = cf::face::find "sound/$v";
		3829	cf::sound::set $k => $face;
		3830	}
		3831	}
		3832
3362	sub reload_resources {	3833	sub reload_resources {
3363	warn "reloading resource files...\n";	3834	trace "reloading resource files...\n";
3364		3835
		3836	reload_materials;
3365	reload_facedata;	3837	reload_facedata;
		3838	reload_exp_table;
		3839	reload_sound;
3366	reload_archetypes;	3840	reload_archetypes;
3367	reload_regions;	3841	reload_regions;
3368	reload_treasures;	3842	reload_treasures;
3369		3843
3370	warn "finished reloading resource files\n";	3844	trace "finished reloading resource files\n";
3371	}
3372
3373	sub init {
3374	my $guard = freeze_mainloop;
3375
3376	reload_resources;
3377	}	3845	}
3378		3846
3379	sub reload_config {	3847	sub reload_config {
3380	open my $fh, "<:utf8", "$CONFDIR/config"	3848	trace "reloading config file...\n";
3381	or return;
3382		3849
3383	local $/;	3850	my $config = load_file "$CONFDIR/config";
3384	*CFG = YAML::Load <$fh>;	3851	utf8::decode $config;
		3852	*CFG = decode_yaml $config;
3385		3853
3386	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3854	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3387		3855
3388	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3856	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3389	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3857	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3390		3858
3391	if (exists $CFG{mlockall}) {	3859	if (exists $CFG{mlockall}) {
…		…
3395	};	3863	};
3396	warn $@ if $@;	3864	warn $@ if $@;
3397	}	3865	}
3398	}	3866	}
3399		3867
		3868	sub pidfile() {
		3869	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3870	or die "$PIDFILE: $!";
		3871	flock $fh, &Fcntl::LOCK_EX
		3872	or die "$PIDFILE: flock: $!";
		3873	$fh
		3874	}
		3875
		3876	# make sure only one server instance is running at any one time
		3877	sub atomic {
		3878	my $fh = pidfile;
		3879
		3880	my $pid = <$fh>;
		3881	kill 9, $pid if $pid > 0;
		3882
		3883	seek $fh, 0, 0;
		3884	print $fh $$;
		3885	}
		3886
		3887	sub main_loop {
		3888	trace "EV::loop starting\n";
		3889	if (1) {
		3890	EV::loop;
		3891	}
		3892	trace "EV::loop returned\n";
		3893	goto &main_loop unless $REALLY_UNLOOP;
		3894	}
		3895
3400	sub main {	3896	sub main {
		3897	cf::init_globals; # initialise logging
		3898
		3899	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3900	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3901	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3902	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3903
		3904	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3905
3401	# we must not ever block the main coroutine	3906	# we must not ever block the main coroutine
3402	local $Coro::idle = sub {	3907	$Coro::idle = sub {
3403	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3908	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3404	(async {	3909	(async {
3405	$Coro::current->{desc} = "IDLE BUG HANDLER";	3910	$Coro::current->{desc} = "IDLE BUG HANDLER";
3406	EV::loop EV::LOOP_ONESHOT;	3911	EV::loop EV::LOOP_ONESHOT;
3407	})->prio (Coro::PRIO_MAX);	3912	})->prio (Coro::PRIO_MAX);
3408	};	3913	};
3409		3914
3410	{	3915	evthread_start IO::AIO::poll_fileno;
3411	my $guard = freeze_mainloop;	3916
		3917	cf::sync_job {
		3918	cf::incloader::init ();
		3919
		3920	db_init;
		3921
		3922	cf::init_anim;
		3923	cf::init_attackmess;
		3924	cf::init_dynamic;
		3925
		3926	cf::load_settings;
		3927
		3928	reload_resources;
3412	reload_config;	3929	reload_config;
3413	db_init;	3930
		3931	cf::init_uuid;
		3932	cf::init_signals;
		3933	cf::init_skills;
		3934
		3935	cf::init_beforeplay;
		3936
		3937	atomic;
		3938
3414	load_extensions;	3939	load_extensions;
3415		3940
3416	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3941	utime time, time, $RUNTIMEFILE;
3417	evthread_start IO::AIO::poll_fileno;	3942
		3943	# no (long-running) fork's whatsoever before this point(!)
		3944	use POSIX ();
		3945	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3946
		3947	cf::_post_init 0;
3418	}	3948	};
3419		3949
3420	EV::loop;	3950	cf::object::thawer::errors_are_fatal 0;
		3951	info "parse errors in files are no longer fatal from this point on.\n";
		3952
		3953	AE::postpone {
		3954	undef &main; # free gobs of memory :)
		3955	};
		3956
		3957	goto &main_loop;
3421	}	3958	}
3422		3959
3423	#############################################################################	3960	#############################################################################
3424	# initialisation and cleanup	3961	# initialisation and cleanup
3425		3962
3426	# install some emergency cleanup handlers	3963	# install some emergency cleanup handlers
3427	BEGIN {	3964	BEGIN {
3428	our %SIGWATCHER = ();	3965	our %SIGWATCHER = ();
3429	for my $signal (qw(INT HUP TERM)) {	3966	for my $signal (qw(INT HUP TERM)) {
3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3967	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3431	cf::cleanup "SIG$signal";	3968	cf::cleanup "SIG$signal";
3432	};	3969	};
3433	}	3970	}
3434	}	3971	}
3435		3972
3436	sub write_runtime_sync {	3973	sub write_runtime_sync {
3437	my $runtime = "$LOCALDIR/runtime";	3974	my $t0 = AE::time;
3438		3975
3439	# first touch the runtime file to show we are still running:	3976	# first touch the runtime file to show we are still running:
3440	# the fsync below can take a very very long time.	3977	# the fsync below can take a very very long time.
3441		3978
3442	IO::AIO::aio_utime $runtime, undef, undef;	3979	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3443		3980
3444	my $guard = cf::lock_acquire "write_runtime";	3981	my $guard = cf::lock_acquire "write_runtime";
3445		3982
3446	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3983	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3447	or return;	3984	or return;
3448		3985
3449	my $value = $cf::RUNTIME + 90 + 10;	3986	my $value = $cf::RUNTIME + 90 + 10;
3450	# 10 is the runtime save interval, for a monotonic clock	3987	# 10 is the runtime save interval, for a monotonic clock
3451	# 60 allows for the watchdog to kill the server.	3988	# 60 allows for the watchdog to kill the server.
…		…
3461	aio_utime $fh, undef, undef;	3998	aio_utime $fh, undef, undef;
3462		3999
3463	close $fh	4000	close $fh
3464	or return;	4001	or return;
3465		4002
3466	aio_rename "$runtime~", $runtime	4003	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3467	and return;	4004	and return;
3468		4005
3469	warn "runtime file written.\n";	4006	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3470		4007
3471	1	4008	1
3472	}	4009	}
3473		4010
3474	our $uuid_lock;	4011	our $uuid_lock;
…		…
3483	my $uuid = "$LOCALDIR/uuid";	4020	my $uuid = "$LOCALDIR/uuid";
3484		4021
3485	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	4022	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3486	or return;	4023	or return;
3487		4024
3488	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	4025	my $value = uuid_seq uuid_cur;
		4026
		4027	unless ($value) {
		4028	info "cowardly refusing to write zero uuid value!\n";
		4029	return;
		4030	}
		4031
		4032	my $value = uuid_str $value + $uuid_skip;
3489	$uuid_skip = 0;	4033	$uuid_skip = 0;
3490		4034
3491	(aio_write $fh, 0, (length $value), $value, 0) <= 0	4035	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3492	and return;	4036	and return;
3493		4037
…		…
3499	or return;	4043	or return;
3500		4044
3501	aio_rename "$uuid~", $uuid	4045	aio_rename "$uuid~", $uuid
3502	and return;	4046	and return;
3503		4047
3504	warn "uuid file written ($value).\n";	4048	trace "uuid file written ($value).\n";
3505		4049
3506	1	4050	1
3507		4051
3508	}	4052	}
3509		4053
…		…
3515	}	4059	}
3516		4060
3517	sub emergency_save() {	4061	sub emergency_save() {
3518	my $freeze_guard = cf::freeze_mainloop;	4062	my $freeze_guard = cf::freeze_mainloop;
3519		4063
3520	warn "enter emergency perl save\n";	4064	info "emergency_perl_save: enter\n";
		4065
		4066	# this is a trade-off: we want to be very quick here, so
		4067	# save all maps without fsync, and later call a global sync
		4068	# (which in turn might be very very slow)
		4069	local $USE_FSYNC = 0;
3521		4070
3522	cf::sync_job {	4071	cf::sync_job {
		4072	cf::write_runtime_sync; # external watchdog should not bark
		4073
3523	# use a peculiar iteration method to avoid tripping on perl	4074	# use a peculiar iteration method to avoid tripping on perl
3524	# refcount bugs in for. also avoids problems with players	4075	# refcount bugs in for. also avoids problems with players
3525	# and maps saved/destroyed asynchronously.	4076	# and maps saved/destroyed asynchronously.
3526	warn "begin emergency player save\n";	4077	info "emergency_perl_save: begin player save\n";
3527	for my $login (keys %cf::PLAYER) {	4078	for my $login (keys %cf::PLAYER) {
3528	my $pl = $cf::PLAYER{$login} or next;	4079	my $pl = $cf::PLAYER{$login} or next;
3529	$pl->valid or next;	4080	$pl->valid or next;
3530	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4081	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3531	$pl->save;	4082	$pl->save;
3532	}	4083	}
3533	warn "end emergency player save\n";	4084	info "emergency_perl_save: end player save\n";
3534		4085
3535	warn "begin emergency map save\n";	4086	cf::write_runtime_sync; # external watchdog should not bark
		4087
		4088	info "emergency_perl_save: begin map save\n";
3536	for my $path (keys %cf::MAP) {	4089	for my $path (keys %cf::MAP) {
3537	my $map = $cf::MAP{$path} or next;	4090	my $map = $cf::MAP{$path} or next;
3538	$map->valid or next;	4091	$map->valid or next;
3539	$map->save;	4092	$map->save;
3540	}	4093	}
3541	warn "end emergency map save\n";	4094	info "emergency_perl_save: end map save\n";
3542		4095
3543	warn "begin emergency database checkpoint\n";	4096	cf::write_runtime_sync; # external watchdog should not bark
		4097
		4098	info "emergency_perl_save: begin database checkpoint\n";
3544	BDB::db_env_txn_checkpoint $DB_ENV;	4099	BDB::db_env_txn_checkpoint $DB_ENV;
3545	warn "end emergency database checkpoint\n";	4100	info "emergency_perl_save: end database checkpoint\n";
3546		4101
3547	warn "begin write uuid\n";	4102	info "emergency_perl_save: begin write uuid\n";
3548	write_uuid_sync 1;	4103	write_uuid_sync 1;
3549	warn "end write uuid\n";	4104	info "emergency_perl_save: end write uuid\n";
		4105
		4106	cf::write_runtime_sync; # external watchdog should not bark
		4107
		4108	trace "emergency_perl_save: syncing database to disk";
		4109	BDB::db_env_txn_checkpoint $DB_ENV;
		4110
		4111	info "emergency_perl_save: starting sync\n";
		4112	IO::AIO::aio_sync sub {
		4113	info "emergency_perl_save: finished sync\n";
		4114	};
		4115
		4116	cf::write_runtime_sync; # external watchdog should not bark
		4117
		4118	trace "emergency_perl_save: flushing outstanding aio requests";
		4119	while (IO::AIO::nreqs || BDB::nreqs) {
		4120	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4121	}
		4122
		4123	cf::write_runtime_sync; # external watchdog should not bark
3550	};	4124	};
3551		4125
3552	warn "leave emergency perl save\n";	4126	info "emergency_perl_save: leave\n";
3553	}	4127	}
3554		4128
3555	sub post_cleanup {	4129	sub post_cleanup {
3556	my ($make_core) = @_;	4130	my ($make_core) = @_;
3557		4131
		4132	IO::AIO::flush;
		4133
3558	warn Carp::longmess "post_cleanup backtrace"	4134	error Carp::longmess "post_cleanup backtrace"
3559	if $make_core;	4135	if $make_core;
		4136
		4137	my $fh = pidfile;
		4138	unlink $PIDFILE if <$fh> == $$;
		4139	}
		4140
		4141	# a safer delete_package, copied from Symbol
		4142	sub clear_package($) {
		4143	my $pkg = shift;
		4144
		4145	# expand to full symbol table name if needed
		4146	unless ($pkg =~ /^main::.*::$/) {
		4147	$pkg = "main$pkg" if $pkg =~ /^::/;
		4148	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4149	$pkg .= '::' unless $pkg =~ /::$/;
		4150	}
		4151
		4152	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4153	my $stem_symtab = *{$stem}{HASH};
		4154
		4155	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4156	or return;
		4157
		4158	# clear all symbols
		4159	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4160	for my $name (keys %$leaf_symtab) {
		4161	_gv_clear *{"$pkg$name"};
		4162	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4163	}
3560	}	4164	}
3561		4165
3562	sub do_reload_perl() {	4166	sub do_reload_perl() {
3563	# can/must only be called in main	4167	# can/must only be called in main
3564	if ($Coro::current != $Coro::main) {	4168	unless (in_main) {
3565	warn "can only reload from main coroutine";	4169	error "can only reload from main coroutine";
3566	return;	4170	return;
3567	}	4171	}
3568		4172
3569	warn "reloading...";	4173	return if $RELOAD++;
3570		4174
3571	warn "entering sync_job";	4175	my $t1 = AE::time;
3572		4176
		4177	while ($RELOAD) {
		4178	cf::get_slot 0.1, -1, "reload_perl";
		4179	info "perl_reload: reloading...";
		4180
		4181	trace "perl_reload: entering sync_job";
		4182
3573	cf::sync_job {	4183	cf::sync_job {
3574	cf::write_runtime_sync; # external watchdog should not bark
3575	cf::emergency_save;	4184	#cf::emergency_save;
3576	cf::write_runtime_sync; # external watchdog should not bark
3577		4185
3578	warn "syncing database to disk";
3579	BDB::db_env_txn_checkpoint $DB_ENV;
3580
3581	# if anything goes wrong in here, we should simply crash as we already saved
3582
3583	warn "flushing outstanding aio requests";
3584	for (;;) {
3585	BDB::flush;
3586	IO::AIO::flush;
3587	Coro::cede_notself;
3588	last unless IO::AIO::nreqs || BDB::nreqs;
3589	warn "iterate...";
3590	}
3591
3592	++$RELOAD;
3593
3594	warn "cancelling all extension coros";	4186	trace "perl_reload: cancelling all extension coros";
3595	$_->cancel for values %EXT_CORO;	4187	$_->cancel for values %EXT_CORO;
3596	%EXT_CORO = ();	4188	%EXT_CORO = ();
3597		4189
3598	warn "removing commands";	4190	trace "perl_reload: removing commands";
3599	%COMMAND = ();	4191	%COMMAND = ();
3600		4192
3601	warn "removing ext/exti commands";	4193	trace "perl_reload: removing ext/exti commands";
3602	%EXTCMD = ();	4194	%EXTCMD = ();
3603	%EXTICMD = ();	4195	%EXTICMD = ();
3604		4196
3605	warn "unloading/nuking all extensions";	4197	trace "perl_reload: unloading/nuking all extensions";
3606	for my $pkg (@EXTS) {	4198	for my $pkg (@EXTS) {
3607	warn "... unloading $pkg";	4199	trace "... unloading $pkg";
3608		4200
3609	if (my $cb = $pkg->can ("unload")) {	4201	if (my $cb = $pkg->can ("unload")) {
3610	eval {	4202	eval {
3611	$cb->($pkg);	4203	$cb->($pkg);
3612	1	4204	1
3613	} or warn "$pkg unloaded, but with errors: $@";	4205	} or error "$pkg unloaded, but with errors: $@";
		4206	}
		4207
		4208	trace "... clearing $pkg";
		4209	clear_package $pkg;
3614	}	4210	}
3615		4211
3616	warn "... nuking $pkg";
3617	Symbol::delete_package $pkg;
3618	}
3619
3620	warn "unloading all perl modules loaded from $LIBDIR";	4212	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3621	while (my ($k, $v) = each %INC) {	4213	while (my ($k, $v) = each %INC) {
3622	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4214	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3623		4215
3624	warn "... unloading $k";	4216	trace "... unloading $k";
3625	delete $INC{$k};	4217	delete $INC{$k};
3626		4218
3627	$k =~ s/\.pm$//;	4219	$k =~ s/\.pm$//;
3628	$k =~ s/\//::/g;	4220	$k =~ s/\//::/g;
3629		4221
3630	if (my $cb = $k->can ("unload_module")) {	4222	if (my $cb = $k->can ("unload_module")) {
3631	$cb->();	4223	$cb->();
		4224	}
		4225
		4226	clear_package $k;
3632	}	4227	}
3633		4228
3634	Symbol::delete_package $k;
3635	}
3636
3637	warn "getting rid of safe::, as good as possible";	4229	trace "perl_reload: getting rid of safe::, as good as possible";
3638	Symbol::delete_package "safe::$_"	4230	clear_package "safe::$_"
3639	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4231	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3640		4232
3641	warn "unloading cf.pm \"a bit\"";	4233	trace "perl_reload: unloading cf.pm \"a bit\"";
3642	delete $INC{"cf.pm"};	4234	delete $INC{"cf.pm"};
3643	delete $INC{"cf/pod.pm"};	4235	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3644		4236
3645	# don't, removes xs symbols, too,	4237	# don't, removes xs symbols, too,
3646	# and global variables created in xs	4238	# and global variables created in xs
3647	#Symbol::delete_package __PACKAGE__;	4239	#clear_package __PACKAGE__;
3648		4240
3649	warn "unload completed, starting to reload now";	4241	info "perl_reload: unload completed, starting to reload now";
3650		4242
3651	warn "reloading cf.pm";	4243	trace "perl_reload: reloading cf.pm";
3652	require cf;	4244	require cf;
3653	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4245	cf::_connect_to_perl_1;
3654		4246
3655	warn "loading config and database again";	4247	trace "perl_reload: loading config and database again";
3656	cf::reload_config;	4248	cf::reload_config;
3657		4249
3658	warn "loading extensions";	4250	trace "perl_reload: loading extensions";
3659	cf::load_extensions;	4251	cf::load_extensions;
3660		4252
		4253	if ($REATTACH_ON_RELOAD) {
3661	warn "reattaching attachments to objects/players";	4254	trace "perl_reload: reattaching attachments to objects/players";
3662	_global_reattach; # objects, sockets	4255	_global_reattach; # objects, sockets
3663	warn "reattaching attachments to maps";	4256	trace "perl_reload: reattaching attachments to maps";
3664	reattach $_ for values %MAP;	4257	reattach $_ for values %MAP;
3665	warn "reattaching attachments to players";	4258	trace "perl_reload: reattaching attachments to players";
3666	reattach $_ for values %PLAYER;	4259	reattach $_ for values %PLAYER;
		4260	}
3667		4261
3668	warn "leaving sync_job";	4262	cf::_post_init 1;
3669		4263
		4264	trace "perl_reload: leaving sync_job";
		4265
3670	1	4266	1
3671	} or do {	4267	} or do {
3672	warn $@;	4268	error $@;
3673	cf::cleanup "error while reloading, exiting.";	4269	cf::cleanup "perl_reload: error, exiting.";
		4270	};
		4271
		4272	--$RELOAD;
3674	};	4273	}
3675		4274
3676	warn "reloaded";	4275	$t1 = AE::time - $t1;
		4276	info "perl_reload: completed in ${t1}s\n";
3677	};	4277	};
3678		4278
3679	our $RELOAD_WATCHER; # used only during reload	4279	our $RELOAD_WATCHER; # used only during reload
3680		4280
3681	sub reload_perl() {	4281	sub reload_perl() {
3682	# doing reload synchronously and two reloads happen back-to-back,	4282	# doing reload synchronously and two reloads happen back-to-back,
3683	# coro crashes during coro_state_free->destroy here.	4283	# coro crashes during coro_state_free->destroy here.
3684		4284
		4285	$RELOAD_WATCHER ||= cf::async {
		4286	Coro::AIO::aio_wait cache_extensions;
		4287
3685	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4288	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3686	do_reload_perl;	4289	do_reload_perl;
3687	undef $RELOAD_WATCHER;	4290	undef $RELOAD_WATCHER;
		4291	};
3688	};	4292	};
3689	}	4293	}
3690		4294
3691	register_command "reload" => sub {	4295	register_command "reload" => sub {
3692	my ($who, $arg) = @_;	4296	my ($who, $arg) = @_;
…		…
3698	reload_perl;	4302	reload_perl;
3699	};	4303	};
3700	}	4304	}
3701	};	4305	};
3702		4306
3703	unshift @INC, $LIBDIR;	4307	#############################################################################
3704		4308
3705	my $bug_warning = 0;	4309	my $bug_warning = 0;
3706		4310
3707	our @WAIT_FOR_TICK;
3708	our @WAIT_FOR_TICK_BEGIN;
3709
3710	sub wait_for_tick {	4311	sub wait_for_tick() {
3711	return if tick_inhibit || $Coro::current == $Coro::main;	4312	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3712		4313
3713	my $signal = new Coro::Signal;	4314	$WAIT_FOR_TICK->wait;
3714	push @WAIT_FOR_TICK, $signal;
3715	$signal->wait;
3716	}	4315	}
3717		4316
3718	sub wait_for_tick_begin {	4317	sub wait_for_tick_begin() {
3719	return if tick_inhibit || $Coro::current == $Coro::main;	4318	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3720		4319
3721	my $signal = new Coro::Signal;	4320	my $signal = new Coro::Signal;
3722	push @WAIT_FOR_TICK_BEGIN, $signal;	4321	push @WAIT_FOR_TICK_BEGIN, $signal;
3723	$signal->wait;	4322	$signal->wait;
3724	}	4323	}
…		…
3728	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4327	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3729	unless ++$bug_warning > 10;	4328	unless ++$bug_warning > 10;
3730	return;	4329	return;
3731	}	4330	}
3732		4331
3733	cf::server_tick; # one server iteration	4332	cf::one_tick; # one server iteration
		4333
		4334	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3734		4335
3735	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4336	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3736	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4337	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3737	Coro::async_pool {	4338	Coro::async_pool {
3738	$Coro::current->{desc} = "runtime saver";	4339	$Coro::current->{desc} = "runtime saver";
3739	write_runtime_sync	4340	write_runtime_sync
3740	or warn "ERROR: unable to write runtime file: $!";	4341	or error "ERROR: unable to write runtime file: $!";
3741	};	4342	};
3742	}	4343	}
3743		4344
3744	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4345	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3745	$sig->send;	4346	$sig->send;
3746	}	4347	}
3747	while (my $sig = shift @WAIT_FOR_TICK) {	4348	$WAIT_FOR_TICK->broadcast;
3748	$sig->send;
3749	}
3750		4349
3751	$LOAD = ($NOW - $TICK_START) / $TICK;	4350	$LOAD = ($NOW - $TICK_START) / $TICK;
3752	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4351	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3753		4352
3754	if (0) {	4353	if (0) {
3755	if ($NEXT_TICK) {	4354	if ($NEXT_TICK) {
3756	my $jitter = $TICK_START - $NEXT_TICK;	4355	my $jitter = $TICK_START - $NEXT_TICK;
3757	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4356	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3758	warn "jitter $JITTER\n";#d#	4357	debug "jitter $JITTER\n";#d#
3759	}	4358	}
3760	}	4359	}
3761	}	4360	}
3762		4361
3763	{	4362	{
3764	# configure BDB	4363	# configure BDB
		4364	info "initialising database";
3765		4365
3766	BDB::min_parallel 8;	4366	BDB::min_parallel 16;
3767	BDB::max_poll_reqs $TICK * 0.1;	4367	BDB::max_poll_reqs $TICK * 0.1;
3768	$Coro::BDB::WATCHER->priority (1);	4368	#$AnyEvent::BDB::WATCHER->priority (1);
3769		4369
3770	unless ($DB_ENV) {	4370	unless ($DB_ENV) {
3771	$DB_ENV = BDB::db_env_create;	4371	$DB_ENV = BDB::db_env_create;
3772	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4372	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3773	| BDB::LOG_AUTOREMOVE, 1);	4373	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4374	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3774	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4375	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3775	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4376	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3776		4377
3777	cf::sync_job {	4378	cf::sync_job {
3778	eval {	4379	eval {
…		…
3797	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4398	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3798	};	4399	};
3799	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4400	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3800	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4401	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3801	};	4402	};
		4403
		4404	info "database initialised";
3802	}	4405	}
3803		4406
3804	{	4407	{
3805	# configure IO::AIO	4408	# configure IO::AIO
3806		4409
		4410	info "initialising aio";
3807	IO::AIO::min_parallel 8;	4411	IO::AIO::min_parallel 8;
3808	IO::AIO::max_poll_time $TICK * 0.1;	4412	IO::AIO::max_poll_time $TICK * 0.1;
3809	$Coro::AIO::WATCHER->priority (1);	4413	undef $AnyEvent::AIO::WATCHER;
		4414	info "aio initialised";
3810	}	4415	}
3811		4416
3812	my $_log_backtrace;	4417	our $_log_backtrace;
		4418	our $_log_backtrace_last;
3813		4419
3814	sub _log_backtrace {	4420	sub _log_backtrace {
3815	my ($msg, @addr) = @_;	4421	my ($msg, @addr) = @_;
3816		4422
3817	$msg =~ s/\n//;	4423	$msg =~ s/\n$//;
3818		4424
		4425	if ($_log_backtrace_last eq $msg) {
		4426	LOG llevInfo, "[ABT] $msg\n";
		4427	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3819	# limit the # of concurrent backtraces	4428	# limit the # of concurrent backtraces
3820	if ($_log_backtrace < 2) {	4429	} elsif ($_log_backtrace < 2) {
		4430	$_log_backtrace_last = $msg;
3821	++$_log_backtrace;	4431	++$_log_backtrace;
		4432	my $perl_bt = Carp::longmess $msg;
3822	async {	4433	async {
3823	$Coro::current->{desc} = "abt $msg";	4434	$Coro::current->{desc} = "abt $msg";
3824		4435
3825	my @bt = fork_call {	4436	my @bt = fork_call {
3826	@addr = map { sprintf "%x", $_ } @addr;	4437	@addr = map { sprintf "%x", $_ } @addr;
…		…
3837	}	4448	}
3838		4449
3839	@funcs	4450	@funcs
3840	};	4451	};
3841		4452
3842	LOG llevInfo, "[ABT] $msg\n";	4453	LOG llevInfo, "[ABT] $perl_bt\n";
		4454	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3843	LOG llevInfo, "[ABT] $_\n" for @bt;	4455	LOG llevInfo, "[ABT] $_\n" for @bt;
3844	--$_log_backtrace;	4456	--$_log_backtrace;
3845	};	4457	};
3846	} else {	4458	} else {
3847	LOG llevInfo, "[ABT] $msg\n";	4459	LOG llevInfo, "[ABT] $msg\n";
3848	LOG llevInfo, "[ABT] [suppressed]\n";	4460	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3849	}	4461	}
3850	}	4462	}
3851		4463
3852	# load additional modules	4464	# load additional modules
3853	use cf::pod;	4465	require "cf/$_.pm" for @EXTRA_MODULES;
		4466	cf::_connect_to_perl_2;
3854		4467
3855	END { cf::emergency_save }	4468	END { cf::emergency_save }
3856		4469
3857	1	4470	1
3858		4471

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