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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.433 by root, Sat May 10 22:38:52 2008 UTC vs.
Revision 1.616 by root, Mon Aug 10 03:05:30 2015 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;	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 ();
		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
35		40
36	use Coro ();	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;
43	use Coro::AnyEvent;	50	use Coro::AnyEvent;
44	use Coro::AIO;	51	use Coro::AIO;
45	use Coro::BDB;	52	use Coro::BDB 1.6;
46	use Coro::Storable;	53	use Coro::Storable;
47	use Coro::Util ();	54	use Coro::Util ();
48		55
		56	use Guard ();
49	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
50	use BDB ();	58	use BDB ();
51	use Data::Dumper;	59	use Data::Dumper;
52	use Digest::MD5;
53	use Fcntl;	60	use Fcntl;
54	use YAML ();	61	use YAML::XS ();
55	use IO::AIO ();	62	use IO::AIO ();
56	use Time::HiRes;
57	use Compress::LZF;	63	use Compress::LZF;
58	use Digest::MD5 ();	64	use Digest::MD5 ();
59		65
60	AnyEvent::detect;	66	AnyEvent::detect;
61		67
62	# configure various modules to our taste	68	# configure various modules to our taste
63	#	69	#
64	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
65	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";
66	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
67		78
68	$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" };
69		81
70	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;
71		85
72	our %COMMAND = ();	86	our %COMMAND = ();
73	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
74		88
75	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
76	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
77	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
78	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
79	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
80		96
81	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
82	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
83		101
84	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
85	our $DATADIR = datadir;	104	our $DATADIR = datadir;
86	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
87	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
88	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
89	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
90	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
93	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
94	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
95	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;
96		125
97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
99	our $NEXT_TICK;	128	our $NEXT_TICK;
100	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
101		130
102	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
103	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
104	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
105	our $DB_ENV;	134	our $DB_ENV;
106		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
107	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
108		140
109	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
110	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
111	our $NOW;	144	our $NOW;
112		145
113	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
114	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
115	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
…		…
120	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)
121	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
122	our $JITTER; # average jitter	155	our $JITTER; # average jitter
123	our $TICK_START; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
124		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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
125	binmode STDOUT;	166	binmode STDOUT;
126	binmode STDERR;	167	binmode STDERR;
127		168
128	# read virtual server time, if available	169	# read virtual server time, if available
129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
130	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
131	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
132	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
133	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
134		177
135	mkdir $_	178	mkdir $_
136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
137		180
138	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
139		182
140	sub cf::map::normalise;	183	sub cf::map::normalise;
141		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
142	#############################################################################	189	#############################################################################
143		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
144	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
145		203
146	=over 4	204	=over 4
147		205
148	=item $cf::UPTIME	206	=item $cf::UPTIME
149		207
150	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.
151		224
152	=item $cf::RUNTIME	225	=item $cf::RUNTIME
153		226
154	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
155	every server tick.	228	every server tick.
156		229
157	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
158	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
159	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
160		233
161	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
162	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
163	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
164	database environment.	237	database environment.
165		238
166	=item $cf::NOW
167
168	The time of the last (current) server tick.
169
170	=item $cf::TICK
171
172	The interval between server ticks, in seconds.
173
174	=item $cf::LOADAVG	239	=item $cf::LOADAVG
175		240
176	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
177	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
178	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
187	from wherever your confdir points to.	252	from wherever your confdir points to.
188		253
189	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
190		255
191	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
192	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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();
194		277
195	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
196		279
197	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
198	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
199	that call.	282	that call.
200		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
201	=back	290	=back
202		291
203	=cut	292	=cut
204		293
205	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
206	*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 {
207	my $msg = join "", @_;	301	my $msg = join "", @_;
208		302
209	$msg .= "\n"	303	$msg .= "\n"
210	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
211		305
212	$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;
213		307
214	LOG llevError, $msg;	308	LOG llevWarn, $msg;
215	};	309	};
216	}
217		310
218	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
219	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
220		313
221	if ($Coro::current == $Coro::main) {#d#	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
222	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
223	return;#d#	318	return;#d#
224	}#d#	319	}#d#
225		320
226	# kill coroutine otherwise	321	# kill coroutine otherwise
227	warn Carp::longmess $_[0];
228	Coro::terminate	322	Coro::terminate
229	};	323	};
230
231	$SIG{__DIE__} = sub { }; #d#?
232		324
233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
243	for my $pkg (qw(	335	for my $pkg (qw(
244	cf::global cf::attachable	336	cf::global cf::attachable
245	cf::object cf::object::player	337	cf::object cf::object::player
246	cf::client cf::player	338	cf::client cf::player
247	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
248	cf::map cf::party cf::region	341	cf::party cf::region
249	)) {	342	)) {
250	no strict 'refs';
251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
252	}	344	}
253		345
254	$EV::DIED = sub {	346	$EV::DIED = sub {
255	warn "error in event callback: @_";	347	warn "error in event callback: $@";
256	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
257		354
258	#############################################################################	355	#############################################################################
259		356
260	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
261		358
…		…
282	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
283	$d	380	$d
284	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
285	}	382	}
286		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
287	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
288		437
289	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
290		439
291	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
298		447
299	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
300	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
301		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
302	=item cf::lock_wait $string	513	=item cf::lock_wait $string
303		514
304	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
305		516
306	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
307		518
308	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
309	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,
310	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
311	returned.	522	returned.
312		523
313	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
314	deadlocked coro.	525	deadlocked coro.
…		…
320		531
321	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.
322		533
323	=cut	534	=cut
324		535
325	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
326	our %LOCKER;#d#
327		537
328	sub lock_wait($) {	538	sub lock_wait($) {
329	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
330
331	if ($LOCKER{$key} == $Coro::current) {#d#
332	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
333	return;#d#
334	}#d#
335
336	# wait for lock, if any
337	while ($LOCK{$key}) {
338	push @{ $LOCK{$key} }, $Coro::current;
339	Coro::schedule;
340	}
341	}	540	}
342		541
343	sub lock_acquire($) {	542	sub lock_acquire($) {
344	my ($key) = @_;	543	$LOCKS->guard ($_[0])
345
346	# wait, to be sure we are not locked
347	lock_wait $key;
348
349	$LOCK{$key} = [];
350	$LOCKER{$key} = $Coro::current;#d#
351
352	Coro::guard {
353	delete $LOCKER{$key};#d#
354	# wake up all waiters, to be on the safe side
355	$_->ready for @{ delete $LOCK{$key} };
356	}
357	}	544	}
358		545
359	sub lock_active($) {	546	sub lock_active($) {
360	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
361
362	! ! $LOCK{$key}
363	}	548	}
364		549
365	sub freeze_mainloop {	550	sub freeze_mainloop {
366	tick_inhibit_inc;	551	tick_inhibit_inc;
367		552
368	Coro::guard \&tick_inhibit_dec;	553	&Guard::guard (\&tick_inhibit_dec);
369	}	554	}
370		555
371	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
372		557
373	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
374	get spread over timer.	559	get spread over time.
375		560
376	=cut	561	=cut
377		562
378	sub periodic($$) {	563	sub periodic($$) {
379	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
383	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
384	}	569	}
385		570
386	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
387		572
388	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
389	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
390	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$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.
391		580
392	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
393	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
394		583
395	Useful for short background jobs.	584	Useful for short background jobs.
396		585
397	=cut	586	=cut
398		587
399	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
400	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
401		591
402	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
403	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
404	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
405		595
406	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
407		598
408	while () {	599	while () {
409	next_job:	600	next_job:
		601
		602	Coro::cede;
		603
410	my $avail = cf::till_tick;	604	my $avail = cf::till_tick;
411	if ($avail > 0.01) {	605
412	for (0 .. $#SLOT_QUEUE) {	606	for (0 .. $#SLOT_QUEUE) {
413	if ($SLOT_QUEUE[$_][0] < $avail) {	607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
414	my $job = splice @SLOT_QUEUE, $_, 1, ();	609	my $job = splice @SLOT_QUEUE, $_, 1, ();
415	$job->[2]->send;	610	$job->[2]->send;
416	Coro::cede;
417	goto next_job;	611	goto next_job;
418	}	612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
419	}	614	}
420	}	615	}
421		616
422	if (@SLOT_QUEUE) {	617	if (@SLOT_QUEUE) {
423	# we do not use wait_for_tick() as it returns immediately when tick is inactive	618	wait_for_tick;
424	push @cf::WAIT_FOR_TICK, $signal;
425	$signal->wait;
426	} else {	619	} else {
		620	$busy = 0;
427	Coro::schedule;	621	Coro::schedule;
428	}	622	}
429	}	623	}
430	};	624	};
431		625
432	sub get_slot($;$$) {	626	sub get_slot($;$$) {
433	return if tick_inhibit || $Coro::current == $Coro::main;	627	return if tick_inhibit || $Coro::current == $Coro::main;
434		628
435	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
436		630
437	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
438	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
439		634
440	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
441	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
442	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
468	=cut	663	=cut
469		664
470	sub sync_job(&) {	665	sub sync_job(&) {
471	my ($job) = @_;	666	my ($job) = @_;
472		667
473	if ($Coro::current == $Coro::main) {	668	if (in_main) {
474	my $time = EV::time;	669	my $time = AE::time;
475		670
476	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
477	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
478		673
479	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
480		675
481	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
482		677
483	my $busy = 1;	678	my $busy = 1;
484	my @res;	679	my @res;
485		680
486	(async {	681	(async {
487	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
488	@res = eval { $job->() };	683	@res = eval { $job->() };
489	warn $@ if $@;	684	error $@ if $@;
490	undef $busy;	685	undef $busy;
491	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
492		687
493	while ($busy) {	688	while ($busy) {
494	if (Coro::nready) {	689	if (Coro::nready) {
495	Coro::cede_notself;	690	Coro::cede_notself;
496	} else {	691	} else {
497	EV::loop EV::LOOP_ONESHOT;	692	EV::run EV::RUN_ONESHOT;
498	}	693	}
499	}	694	}
500		695
501	my $time = EV::time - $time;	696	my $time = AE::time - $time;
502		697
503	$TICK_START += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
504		699
505	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
506	} else {	701	} else {
…		…
528	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
529		724
530	$coro	725	$coro
531	}	726	}
532		727
533	=item fork_call { }, $args	728	=item fork_call { }, @args
534		729
535	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
536	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
537	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
538	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
539		734
540	=cut	735	=cut
541		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
542	sub fork_call(&@) {	741	sub fork_call(&@) {
543	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
544		743
545	# we seemingly have to make a local copy of the whole thing,
546	# otherwise perl prematurely frees the stuff :/
547	# TODO: investigate and fix (likely this will be rather laborious)
548
549	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
550	reset_signals;	745	cf::post_fork;
551	&$cb	746	&$cb
552	}, @args;	747	} @args;
553		748
554	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	)
555	}	761	}
556		762
557	=item $coin = coin_from_name $name	763	=item $coin = coin_from_name $name
558		764
559	=cut	765	=cut
…		…
596	within each server.	802	within each server.
597		803
598	=cut	804	=cut
599		805
600	sub db_table($) {	806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
601	my ($name) = @_;	810	my ($name) = @_;
602	my $db = BDB::db_create $DB_ENV;	811	my $db = BDB::db_create $DB_ENV;
603		812
604	eval {	813	eval {
605	$db->set_flags (BDB::CHKSUM);	814	$db->set_flags (BDB::CHKSUM);
…		…
615	}	824	}
616		825
617	our $DB;	826	our $DB;
618		827
619	sub db_init {	828	sub db_init {
620	cf::sync_job {
621	$DB ||= db_table "db";	829	$DB ||= db_table "db";
622	};
623	}	830	}
624		831
625	sub db_get($$) {	832	sub db_get($$) {
626	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
627		834
628	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
629	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
630		839
631	$! ? ()	840	$! ? ()
632	: $data	841	: $data
633	}
634	}	842	}
635		843
636	sub db_put($$$) {	844	sub db_put($$$) {
637	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
638	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
666		874
667	my @data;	875	my @data;
668	my $md5;	876	my $md5;
669		877
670	for (0 .. $#$src) {	878	for (0 .. $#$src) {
671	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
672	or Carp::croak "$src->[$_]: $!";
673	}	880	}
674		881
675	# if processing is expensive, check	882	# if processing is expensive, check
676	# checksum first	883	# checksum first
677	if (1) {	884	if (1) {
…		…
690		897
691	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
692	}	899	}
693	}	900	}
694		901
695	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
696	my $data = $process->(\@data);	903	my $data = $process->(\@data);
697	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
698		905
699	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
700		907
701	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
702	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
703	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
704		911
…		…
714		921
715	=cut	922	=cut
716		923
717	sub datalog($@) {	924	sub datalog($@) {
718	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
719	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
720	}	927	}
721		928
722	=back	929	=back
723		930
724	=cut	931	=cut
725		932
726	#############################################################################	933	#############################################################################
727		934
728	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
729		936
730	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
731	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")
732	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
733		940
734	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>
735	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
…		…
785	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
786		993
787	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
788	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
789		996
790	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
791	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.
792		999
793	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
794		1001
795	=over 4	1002	=over 4
…		…
919		1126
920	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
921	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
922		1129
923	} elsif (ref $type) {	1130	} elsif (ref $type) {
924	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
925		1132
926	} else {	1133	} else {
927	shift @arg;	1134	shift @arg;
928	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
929	}	1136	}
930	}	1137	}
931	}	1138	}
932		1139
933	sub _object_attach {	1140	sub _object_attach {
…		…
943	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
944	}	1151	}
945		1152
946	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
947	} else {	1154	} else {
948	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
949	}	1156	}
950		1157
951	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
952	}	1159	}
953		1160
…		…
1012		1219
1013	for (@$callbacks) {	1220	for (@$callbacks) {
1014	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
1015		1222
1016	if ($@) {	1223	if ($@) {
1017	warn "$@";
1018	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1019	override;	1225	override;
1020	}	1226	}
1021		1227
1022	return 1 if $override;	1228	return 1 if $override;
1023	}	1229	}
…		…
1086		1292
1087	sub reattach {	1293	sub reattach {
1088	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
1089	my ($obj) = @_;	1295	my ($obj) = @_;
1090		1296
		1297	# no longer needed after getting rid of delete_package?
1091	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
1092		1299
1093	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
1094		1301
1095	@$registry = ();	1302	@$registry = ();
1096		1303
…		…
1101	for (@$attach) {	1308	for (@$attach) {
1102	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
1103	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
1104	}	1311	}
1105	} else {	1312	} else {
1106	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
1107	}	1314	}
1108	}	1315	}
1109	}	1316	}
1110		1317
1111	cf::attachable->attach (	1318	cf::attachable->attach (
…		…
1138	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1139		1346
1140	sync_job {	1347	sync_job {
1141	if (length $$rdata) {	1348	if (length $$rdata) {
1142	utf8::decode (my $decname = $filename);	1349	utf8::decode (my $decname = $filename);
1143	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1144	$decname, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1145		1353
1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1147	aio_chmod $fh, SAVE_MODE;	1355	aio_chmod $fh, SAVE_MODE;
1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1149	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	}
1150	aio_close $fh;	1361	aio_close $fh;
1151		1362
1152	if (@$objs) {	1363	if (@$objs) {
1153	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) {
1154	aio_chmod $fh, SAVE_MODE;	1365	aio_chmod $fh, SAVE_MODE;
1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1156	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1157	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	}
1158	aio_close $fh;	1372	aio_close $fh;
1159	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1160	}	1374	}
1161	} else {	1375	} else {
1162	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1163	}	1377	}
1164		1378
1165	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1166	} else {	1383	} else {
1167	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1168	}	1385	}
1169	} else {	1386	} else {
1170	aio_unlink $filename;	1387	aio_unlink $filename;
1171	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1172	}	1389	}
…		…
1196	my $st = eval { Coro::Storable::thaw $av };	1413	my $st = eval { Coro::Storable::thaw $av };
1197	$av = $st->{objs};	1414	$av = $st->{objs};
1198	}	1415	}
1199		1416
1200	utf8::decode (my $decname = $filename);	1417	utf8::decode (my $decname = $filename);
1201	warn sprintf "loading %s (%d,%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1202	$decname, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
1203		1421
1204	($data, $av)	1422	($data, $av)
1205	}	1423	}
1206		1424
1207	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
…		…
1211	=cut	1429	=cut
1212		1430
1213	#############################################################################	1431	#############################################################################
1214	# command handling &c	1432	# command handling &c
1215		1433
1216	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1217		1435
1218	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
1219	$name.	1437	$name.
1220		1438
1221	=cut	1439	=cut
…		…
1227	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1228		1446
1229	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1230	}	1448	}
1231		1449
1232	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1233		1451
1234	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1235	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
1236	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
1237	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
1238	has logged in successfully.	1456	has logged in successfully.
1239		1457
1240	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1241	called.
1242		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
1243	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1244		1466
1245	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1246	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
1247	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
1248	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
1249	log-in.	1471	log-in.
1250		1472
1251	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1252	called.
1253		1474
1254	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1255		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1256	sub register_extcmd {	1482	sub register_extcmd($$) {
1257	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1258		1484
1259	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1260	}	1486	}
1261		1487
1262	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1263	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1264		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1265	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1266	}	1498	}
1267		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1268	cf::player->attach (	1508	cf::player->attach (
1269	on_command => sub {	1509	on_unknown_command => sub {
1270	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1271		1511
1272	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1273	or return;	1513	or return;
1274		1514
…		…
1282	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1283		1523
1284	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1285		1525
1286	if (ref $msg) {	1526	if (ref $msg) {
1287	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1288	"ARRAY" eq ref $msg
1289	? @$msg
1290	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1291		1528
1292	my @reply;
1293
1294	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}) {
1295	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1296	}	1547	}
1297		1548
1298	$pl->ext_reply ($reply, @reply)
1299	if $reply;
1300
1301	} else {	1549	} else {
1302	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1303	}	1551	}
1304		1552
1305	cf::override;	1553	cf::override;
1306	},	1554	},
1307	);	1555	);
1308		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
1309	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1310	cf::sync_job {	1586	cf::sync_job {
1311	my %todo;	1587	my %todo;
1312		1588
1313	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1314	next unless -r $path;	1590	next unless -r $path;
…		…
1332		1608
1333	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1334	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1335		1611
1336	$ext{source} =	1612	$ext{source} =
1337	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1338	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1339	. $source	1615	. $source
1340	. "\n};\n1";	1616	. "\n};\n1";
1341		1617
1342	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1343	}	1619	}
1344		1620
		1621	my $pass = 0;
1345	my %done;	1622	my %done;
1346	while (%todo) {	1623	while (%todo) {
1347	my $progress;	1624	my $progress;
1348		1625
		1626	++$pass;
		1627
		1628	ext:
1349	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1350	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1351	goto skip	1631	next ext
1352	unless exists $done{$_};	1632	unless exists $done{$_};
1353	}	1633	}
1354		1634
1355	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1356		1636
1357	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 $@) {
1358	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1359	: "$v->{base}: extension inactive.\n";
1360		1650
1361	if (exists $v->{meta}{mandatory}) {
1362	warn $msg;
1363	cf::cleanup "mandatory extension failed to load, exiting.";	1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1364	}	1652	if exists $v->{meta}{mandatory};
1365		1653
1366	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;
1367	}	1663	}
1368
1369	$done{$k} = delete $todo{$k};
1370	push @EXTS, $v->{pkg};
1371	$progress = 1;
1372	}	1664	}
1373		1665
1374	skip:	1666	unless ($progress) {
1375	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1376	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1377	}	1676	}
1378	};	1677	};
1379	}	1678	}
1380		1679
1381	#############################################################################	1680	#############################################################################
1382		1681
1383	=back	1682	=back
1384		1683
1385	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1386		1685
1387	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1388		1687
1389	=cut	1688	=cut
1390		1689
1391	package cf::player;	1690	package cf::player;
1392		1691
…		…
1435		1734
1436	sub exists($) {	1735	sub exists($) {
1437	my ($login) = @_;	1736	my ($login) = @_;
1438		1737
1439	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1440	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1441	}	1740	}
1442		1741
1443	sub find($) {	1742	sub find($) {
1444	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1445	my $login = $_[0];	1744	my $login = $_[0];
…		…
1465	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1466	}	1765	}
1467	}	1766	}
1468	}	1767	}
1469		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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
1470	sub save($) {	1782	sub save($) {
1471	my ($pl) = @_;	1783	my ($pl) = @_;
1472		1784
1473	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
1474		1786
…		…
1479		1791
1480	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1481	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1482		1794
1483	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];
1484		1799
1485	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1486	cf::cede_to_tick;	1801	cf::cede_to_tick;
1487	}	1802	}
1488		1803
…		…
1520	my ($pl) = @_;	1835	my ($pl) = @_;
1521		1836
1522	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1523		1838
1524	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1525	$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
1526		1841
1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1528	$pl->deactivate;	1843	$pl->deactivate;
		1844
1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1530	$pl->ob->check_score;
1531	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1532	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1533		1850
1534	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1535	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1536	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1590	\@logins	1907	\@logins
1591	}	1908	}
1592		1909
1593	=item $player->maps	1910	=item $player->maps
1594		1911
		1912	=item cf::player::maps $login
		1913
1595	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1596	player. May block.	1915	player. May block.
1597		1916
1598	=cut	1917	=cut
1599		1918
…		…
1616	}	1935	}
1617		1936
1618	\@paths	1937	\@paths
1619	}	1938	}
1620		1939
1621	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1622		1941
1623	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1624
1625	=cut
1626
1627	use re 'eval';
1628
1629	my $group;
1630	my $interior; $interior = qr{
1631	# match a pod interior sequence sans C<< >>
1632	(?:
1633	\ (.*?)\ (?{ $group = $^N })
1634	| < (??{$interior}) >
1635	)
1636	}x;
1637
1638	sub expand_cfpod {
1639	my ($self, $pod) = @_;
1640
1641	my $xml;
1642
1643	while () {
1644	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1645	$group = $1;
1646
1647	$group =~ s/&/&amp;/g;
1648	$group =~ s/</&lt;/g;
1649
1650	$xml .= $group;
1651	} elsif ($pod =~ m%\G
1652	([BCGHITU])
1653	<
1654	(?:
1655	([^<>]*) (?{ $group = $^N })
1656	| < $interior >
1657	)
1658	>
1659	%gcsx
1660	) {
1661	my ($code, $data) = ($1, $group);
1662
1663	if ($code eq "B") {
1664	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1665	} elsif ($code eq "I") {
1666	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1667	} elsif ($code eq "U") {
1668	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1669	} elsif ($code eq "C") {
1670	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1671	} elsif ($code eq "T") {
1672	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1673	} elsif ($code eq "G") {
1674	my ($male, $female) = split /\|/, $data;
1675	$data = $self->gender ? $female : $male;
1676	$xml .= expand_cfpod ($self, $data);
1677	} elsif ($code eq "H") {
1678	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1679	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1680	"")
1681	[$self->{hintmode}];
1682	} else {
1683	$xml .= "error processing '$code($data)' directive";
1684	}
1685	} else {
1686	if ($pod =~ /\G(.+)/) {
1687	warn "parse error while expanding $pod (at $1)";
1688	}
1689	last;
1690	}
1691	}
1692
1693	for ($xml) {
1694	# create single paragraphs (very hackish)
1695	s/(?<=\S)\n(?=\w)/ /g;
1696
1697	# compress some whitespace
1698	s/\s+\n/\n/g; # ws line-ends
1699	s/\n\n+/\n/g; # double lines
1700	s/^\n+//; # beginning lines
1701	s/\n+$//; # ending lines
1702	}
1703
1704	$xml
1705	}
1706
1707	no re 'eval';
1708
1709	sub hintmode {
1710	$_[0]{hintmode} = $_[1] if @_ > 1;
1711	$_[0]{hintmode}
1712	}
1713
1714	=item $player->ext_reply ($msgid, @msg)
1715
1716	Sends an ext reply to the player.
1717
1718	=cut
1719
1720	sub ext_reply($$@) {
1721	my ($self, $id, @msg) = @_;
1722
1723	$self->ns->ext_reply ($id, @msg)
1724	}
1725		1943
1726	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1727		1945
1728	Sends an ext event to the client.	1946	Sends an ext event to the client.
1729		1947
…		…
1749		1967
1750	=cut	1968	=cut
1751		1969
1752	sub find_by_path($) {	1970	sub find_by_path($) {
1753	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1754		1974
1755	my ($match, $specificity);	1975	my ($match, $specificity);
1756		1976
1757	for my $region (list) {	1977	for my $region (list) {
1758	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1787	sub generate_random_map {	2007	sub generate_random_map {
1788	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1789		2009
1790	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
1791		2011
1792	# mit "rum" bekleckern, nicht
1793	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1796	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1797	$rmp->{exit_on_final_map},
1798	$rmp->{xsize}, $rmp->{ysize},
1799	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1800	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1801	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1802	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1803	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1804	(cf::region::find $rmp->{region}), $rmp->{custom}
1805	)
1806	}	2013	}
1807		2014
1808	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1809		2016
1810	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
…		…
1815		2022
1816	sub register {	2023	sub register {
1817	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1818	my $pkg = caller;	2025	my $pkg = caller;
1819		2026
1820	no strict;
1821	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1822		2028
1823	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1824	}	2030	}
1825		2031
1826	# also paths starting with '/'	2032	# also paths starting with '/'
1827	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1828		2034
1829	sub thawer_merge {	2035	sub thawer_merge {
1830	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1831		2037
1832	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1837	}	2043	}
1838		2044
1839	sub normalise {	2045	sub normalise {
1840	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1841		2047
1842	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1843		2049
1844	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1845		2051
1846	# map plan:	2052	# map plan:
1847	#	2053	#
…		…
1862	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1863	$path = "$base/$path";	2069	$path = "$base/$path";
1864	}	2070	}
1865		2071
1866	for ($path) {	2072	for ($path) {
1867	redo if s{//}{/};
1868	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1869	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1870	}	2075	}
1871		2076
1872	$path	2077	$path
…		…
1886	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1887	return $self;	2092	return $self;
1888	}	2093	}
1889	}	2094	}
1890		2095
1891	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1892	()	2097	()
1893	}	2098	}
1894		2099
		2100	# may re-bless or do other evil things
1895	sub init {	2101	sub init {
1896	my ($self) = @_;	2102	my ($self) = @_;
1897		2103
1898	$self	2104	$self
1899	}	2105	}
…		…
1930		2136
1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1932	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1933	}	2139	}
1934		2140
1935	# and all this just because we cannot iterate over
1936	# all maps in C++...
1937	sub change_all_map_light {
1938	my ($change) = @_;
1939
1940	$_->change_map_light ($change)
1941	for grep $_->outdoor, values %cf::MAP;
1942	}
1943
1944	sub decay_objects {	2141	sub decay_objects {
1945	my ($self) = @_;	2142	my ($self) = @_;
1946		2143
1947	return if $self->{deny_reset};	2144	return if $self->{deny_reset};
1948		2145
…		…
1973	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1974		2171
1975	1	2172	1
1976	}	2173	}
1977		2174
		2175	# used to laod the header of an original map
1978	sub load_header_orig {	2176	sub load_header_orig {
1979	my ($self) = @_;	2177	my ($self) = @_;
1980		2178
1981	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1982	}	2180	}
1983		2181
		2182	# used to laod the header of an instantiated map
1984	sub load_header_temp {	2183	sub load_header_temp {
1985	my ($self) = @_;	2184	my ($self) = @_;
1986		2185
1987	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1988	}	2187	}
1989		2188
		2189	# called after loading the header from an instantiated map
1990	sub prepare_temp {	2190	sub prepare_temp {
1991	my ($self) = @_;	2191	my ($self) = @_;
1992		2192
1993	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1994	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1995	# safety	2195	# safety
1996	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1997	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1998	}	2198	}
1999		2199
		2200	# called after loading the header from an original map
2000	sub prepare_orig {	2201	sub prepare_orig {
2001	my ($self) = @_;	2202	my ($self) = @_;
2002		2203
2003	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
2004	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2028		2229
2029	sub find;	2230	sub find;
2030	sub find {	2231	sub find {
2031	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
2032		2233
		2234	cf::cede_to_tick;
		2235
2033	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
2034		2237
2035	cf::lock_wait "map_data:$path";#d#remove	2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2036	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
2037		2240
2038	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2040	my $guard2 = cf::lock_acquire "map_find:$path";
2041
2042	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
2043	or return;	2243	or return;
2044		2244
2045	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
2046		2246
…		…
2058		2258
2059	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
2060	}	2260	}
2061	}	2261	}
2062		2262
2063	sub pre_load { }	2263	sub pre_load { }
2064	sub post_load { }	2264	#sub post_load { } # XS
2065		2265
2066	sub load {	2266	sub load {
2067	my ($self) = @_;	2267	my ($self) = @_;
2068		2268
2069	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2072		2272
2073	{	2273	{
2074	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
2075		2275
2076	return unless $self->valid;	2276	return unless $self->valid;
2077	return unless $self->in_memory == cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
2078
2079	$self->in_memory (cf::MAP_LOADING);
2080		2278
2081	$self->alloc;	2279	$self->alloc;
2082		2280
2083	$self->pre_load;	2281	$self->pre_load;
2084	cf::cede_to_tick;	2282	cf::cede_to_tick;
2085		2283
		2284	if (exists $self->{load_path}) {
2086	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
2087	$f->skip_block;	2286	$f->skip_block;
2088	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
2089	or return;	2288	or return;
2090		2289
2091	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
2092	if delete $self->{load_original};	2291	if delete $self->{load_original};
2093		2292
2094	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
2095	utf8::encode $uniq;	2294	utf8::encode $uniq;
2096	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
2097	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
2098	$self->clear_unique_items;	2297	$self->clear_unique_items;
2099	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
2100	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
2101	}	2301	}
2102	}	2302	}
2103	}
2104		2303
2105	$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);
2106		2311
2107	cf::cede_to_tick;	2312	cf::cede_to_tick;
2108	# now do the right thing for maps	2313	# now do the right thing for maps
2109	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
2110	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
2114	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
2115	$self->decay_objects;	2320	$self->decay_objects;
2116	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
2117	$self->update_buttons;	2322	$self->update_buttons;
2118	cf::cede_to_tick;	2323	cf::cede_to_tick;
2119	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
2120	cf::cede_to_tick;
2121	$self->activate;
2122	}	2325	}
2123		2326
2124	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
2125	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
2126
2127	$self->in_memory (cf::MAP_ACTIVE);
2128	}	2329	}
2129		2330
2130	$self->post_load;	2331	$self->post_load;
2131	}
2132		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
2133	sub customise_for {	2339	sub customise_for {
2134	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
2135		2341
2136	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
2137	if $self->per_player;	2343	if $self->per_player;
…		…
2140	# if $self->per_party;	2346	# if $self->per_party;
2141		2347
2142	$self	2348	$self
2143	}	2349	}
2144		2350
2145	# find and load all maps in the 3x3 area around a map
2146	sub load_neighbours {
2147	my ($map) = @_;
2148
2149	my @neigh; # diagonal neighbours
2150
2151	for (0 .. 3) {
2152	my $neigh = $map->tile_path ($_)
2153	or next;
2154	$neigh = find $neigh, $map
2155	or next;
2156	$neigh->load;
2157
2158	push @neigh,
2159	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2160	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2161	}
2162
2163	for (grep defined $_->[0], @neigh) {
2164	my ($path, $origin) = @$_;
2165	my $neigh = find $path, $origin
2166	or next;
2167	$neigh->load;
2168	}
2169	}
2170
2171	sub find_sync {	2351	sub find_sync {
2172	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
2173		2353
2174	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, $origin
2175	}	2359	}
2176		2360
2177	sub do_load_sync {	2361	sub do_load_sync {
2178	my ($map) = @_;	2362	my ($map) = @_;
2179		2363
		2364	# it's a bug to call this from the main context
2180	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2181	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
2182		2367
2183	cf::sync_job { $map->load };	2368	$map->load;
2184	}	2369	}
2185		2370
2186	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
2187	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
2188		2373
2189	sub find_async {	2374	sub find_async {
2190	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
2191		2376
2192	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2193		2378
2194	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2195	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2380	return $map if !$load || $map->linkable;
2196	}	2381	}
2197		2382
2198	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2199		2384
2200	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
…		…
2214	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2215		2400
2216	()	2401	()
2217	}	2402	}
2218		2403
		2404	# common code, used by both ->save and ->swapout
2219	sub save {	2405	sub _save {
2220	my ($self) = @_;	2406	my ($self) = @_;
2221
2222	my $lock = cf::lock_acquire "map_data:$self->{path}";
2223		2407
2224	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2225		2409
2226	return unless $self->dirty;	2410	return unless $self->dirty;
2227		2411
…		…
2247	} else {	2431	} else {
2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2249	}	2433	}
2250	}	2434	}
2251		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2252	sub swap_out {	2444	sub swap_out {
2253	my ($self) = @_;	2445	my ($self) = @_;
2254		2446
2255	# save first because save cedes
2256	$self->save;
2257
2258	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2259		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2260	return if $self->players;	2451	return if $self->players;
2261	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
2262	return if $self->{deny_save};	2469	return 1e99 if $self->{deny_reset};
2263		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
2264	$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};
2265		2503
2266	$self->deactivate;	2504	$self->deactivate;
2267	$_->clear_links_to ($self) for values %cf::MAP;	2505	$_->clear_links_to ($self) for values %cf::MAP;
2268	$self->clear;	2506	$self->clear;
2269	}
2270
2271	sub reset_at {
2272	my ($self) = @_;
2273
2274	# TODO: safety, remove and allow resettable per-player maps
2275	return 1e99 if $self->{deny_reset};
2276
2277	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2278	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2279
2280	$time + $to
2281	}
2282
2283	sub should_reset {
2284	my ($self) = @_;
2285
2286	$self->reset_at <= $cf::RUNTIME
2287	}
2288
2289	sub reset {
2290	my ($self) = @_;
2291
2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
2293
2294	return if $self->players;
2295
2296	warn "resetting map ", $self->path;
2297
2298	$self->in_memory (cf::MAP_SWAPPED);
2299
2300	# need to save uniques path
2301	unless ($self->{deny_save}) {
2302	my $uniq = $self->uniq_path; utf8::encode $uniq;
2303
2304	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2305	if $uniq;
2306	}
2307
2308	delete $cf::MAP{$self->path};
2309
2310	$self->deactivate;
2311	$_->clear_links_to ($self) for values %cf::MAP;
2312	$self->clear;
2313		2507
2314	$self->unlink_save;	2508	$self->unlink_save;
2315	$self->destroy;	2509	$self->destroy;
2316	}	2510	}
2317		2511
…		…
2325		2519
2326	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2327		2521
2328	$self->unlink_save;	2522	$self->unlink_save;
2329		2523
2330	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2331	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2332	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2333	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2334	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2335		2529
…		…
2392	: normalise $_	2586	: normalise $_
2393	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2394	]	2588	]
2395	}	2589	}
2396		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
2397	=back	2623	=back
2398		2624
2399	=head3 cf::object	2625	=head3 cf::object
2400		2626
2401	=cut	2627	=cut
…		…
2424		2650
2425	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.
2426		2652
2427	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2428		2654
2429	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,
2430	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2431		2657
2432	=cut	2658	=cut
2433		2659
2434	sub deref {	2660	sub deref {
…		…
2466		2692
2467	our $SAY_CHANNEL = {	2693	our $SAY_CHANNEL = {
2468	id => "say",	2694	id => "say",
2469	title => "Map",	2695	title => "Map",
2470	reply => "say ",	2696	reply => "say ",
2471	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2472	};	2698	};
2473		2699
2474	our $CHAT_CHANNEL = {	2700	our $CHAT_CHANNEL = {
2475	id => "chat",	2701	id => "chat",
2476	title => "Chat",	2702	title => "Chat",
…		…
2516	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
2517		2743
2518	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
2519	(e.g. "command_wizcast").	2745	(e.g. "command_wizcast").
2520		2746
		2747	This is implemented by checking a config setting of C<may_access> where
		2748	C<access> is replaced by the access string. The following alternatives are
		2749	possible (and are tested in order):
		2750
		2751	=over 4
		2752
		2753	=item * Player is DM
		2754
		2755	The request will succeed.
		2756
		2757	=item * may_access is an array reference
		2758
		2759	If either the player nickname or UUID is in the array, the request will
		2760	succeed, otherwise it will fail.
		2761
		2762	=item * may_access is a true value
		2763
		2764	The request will succeed.
		2765
		2766	=item * may_access is missing or false
		2767
		2768	The request will fail.
		2769
		2770	=back
		2771
2521	=cut	2772	=cut
2522		2773
2523	sub cf::object::player::may {	2774	sub cf::object::player::may {
2524	my ($self, $access) = @_;	2775	my ($self, $access) = @_;
2525		2776
2526	$self->flag (cf::FLAG_WIZ) ||	2777	$self->flag (cf::FLAG_WIZ) ||
2527	(ref $cf::CFG{"may_$access"}	2778	(ref $cf::CFG{"may_$access"}
2528	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2779	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2529	: $cf::CFG{"may_$access"})	2780	: $cf::CFG{"may_$access"})
2530	}	2781	}
2531		2782
2532	=item $player_object->enter_link	2783	=item $player_object->enter_link
2533		2784
2534	Freezes the player and moves him/her to a special map (C<{link}>).	2785	Freezes the player and moves him/her to a special map (C<{link}>).
2535		2786
2536	The player should be reasonably safe there for short amounts of time. You	2787	The player should be reasonably safe there for short amounts of time (e.g.
2537	I<MUST> call C<leave_link> as soon as possible, though.	2788	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2789	though, as the player cannot control the character while it is on the link
		2790	map.
2538		2791
2539	Will never block.	2792	This method will never block, which is the whole reaosn for it's
		2793	existance: you can I<always> put a player onto the link map, which is the
		2794	only place to put objects that is guaranteed to exist.
		2795
		2796	A typical usage pattern is to call C<enter_link> synchronously from the
		2797	server, then start a new thread, do your blocking stuff there and then
		2798	call C<leave_link> from that thread.
2540		2799
2541	=item $player_object->leave_link ($map, $x, $y)	2800	=item $player_object->leave_link ($map, $x, $y)
2542		2801
2543	Moves the player out of the special C<{link}> map onto the specified	2802	Moves the player out of the special C<{link}> map onto the specified
2544	map. If the map is not valid (or omitted), the player will be moved back	2803	map. If the map is not valid (or omitted), the player will be moved back
…		…
2562	sub cf::object::player::enter_link {	2821	sub cf::object::player::enter_link {
2563	my ($self) = @_;	2822	my ($self) = @_;
2564		2823
2565	$self->deactivate_recursive;	2824	$self->deactivate_recursive;
2566		2825
		2826	++$self->{_link_recursion};
		2827
2567	return if UNIVERSAL::isa $self->map, "ext::map_link";	2828	return if UNIVERSAL::isa $self->map, "ext::map_link";
2568		2829
2569	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2830	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2570	if $self->map && $self->map->{path} ne "{link}";	2831	if $self->map && $self->map->{path} ne "{link}";
2571		2832
2572	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2833	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2573	}	2834	}
2574		2835
2575	sub cf::object::player::leave_link {	2836	sub cf::object::player::leave_link {
2576	my ($self, $map, $x, $y) = @_;	2837	my ($self, $map, $x, $y) = @_;
2577		2838
…		…
2594	($x, $y) = (-1, -1)	2855	($x, $y) = (-1, -1)
2595	unless (defined $x) && (defined $y);	2856	unless (defined $x) && (defined $y);
2596		2857
2597	# use -1 or undef as default coordinates, not 0, 0	2858	# use -1 or undef as default coordinates, not 0, 0
2598	($x, $y) = ($map->enter_x, $map->enter_y)	2859	($x, $y) = ($map->enter_x, $map->enter_y)
2599	if $x <=0 && $y <= 0;	2860	if $x <= 0 && $y <= 0;
2600		2861
2601	$map->load;	2862	$map->load;
2602	$map->load_neighbours;
2603		2863
2604	return unless $self->contr->active;	2864	return unless $self->contr->active;
2605	$self->activate_recursive;
2606		2865
2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2866	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2608	$self->enter_map ($map, $x, $y);	2867	if ($self->enter_map ($map, $x, $y)) {
2609	}	2868	# entering was successful
		2869	delete $self->{_link_recursion};
		2870	# only activate afterwards, to support waiting in hooks
		2871	$self->activate_recursive;
		2872	}
2610		2873
		2874	}
		2875
2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2876	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2612		2877
2613	Moves the player to the given map-path and coordinates by first freezing	2878	Moves the player to the given map-path and coordinates by first freezing
2614	her, loading and preparing them map, calling the provided $check callback	2879	her, loading and preparing them map, calling the provided $check callback
2615	that has to return the map if sucecssful, and then unfreezes the player on	2880	that has to return the map if sucecssful, and then unfreezes the player on
2616	the new (success) or old (failed) map position. In either case, $done will	2881	the new (success) or old (failed) map position. In either case, $done will
2617	be called at the end of this process.	2882	be called at the end of this process.
2618		2883
		2884	Note that $check will be called with a potentially non-loaded map, so if
		2885	it needs a loaded map it has to call C<< ->load >>.
		2886
2619	=cut	2887	=cut
2620		2888
2621	our $GOTOGEN;	2889	our $GOTOGEN;
2622		2890
2623	sub cf::object::player::goto {	2891	sub cf::object::player::goto {
2624	my ($self, $path, $x, $y, $check, $done) = @_;	2892	my ($self, $path, $x, $y, $check, $done) = @_;
		2893
		2894	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2895	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2896	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2897	($path, $x, $y) = @$EMERGENCY_POSITION;
		2898	}
2625		2899
2626	# do generation counting so two concurrent goto's will be executed in-order	2900	# do generation counting so two concurrent goto's will be executed in-order
2627	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2901	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2628		2902
2629	$self->enter_link;	2903	$self->enter_link;
…		…
2649	($path, $x, $y) = (undef, undef, undef);	2923	($path, $x, $y) = (undef, undef, undef);
2650	}	2924	}
2651	}	2925	}
2652		2926
2653	my $map = eval {	2927	my $map = eval {
2654	my $map = defined $path ? cf::map::find $path : undef;	2928	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2655		2929
2656	if ($map) {	2930	if ($map) {
2657	$map = $map->customise_for ($self);	2931	$map = $map->customise_for ($self);
2658	$map = $check->($map) if $check && $map;	2932	$map = $check->($map, $x, $y, $self) if $check && $map;
2659	} else {	2933	} else {
2660	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2934	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2661	}	2935	}
2662		2936
2663	$map	2937	$map
…		…
2671	if ($gen == $self->{_goto_generation}) {	2945	if ($gen == $self->{_goto_generation}) {
2672	delete $self->{_goto_generation};	2946	delete $self->{_goto_generation};
2673	$self->leave_link ($map, $x, $y);	2947	$self->leave_link ($map, $x, $y);
2674	}	2948	}
2675		2949
2676	$done->() if $done;	2950	$done->($self) if $done;
2677	})->prio (1);	2951	})->prio (1);
2678	}	2952	}
2679		2953
2680	=item $player_object->enter_exit ($exit_object)	2954	=item $player_object->enter_exit ($exit_object)
2681		2955
…		…
2749	$Coro::current->{desc} = "enter_exit";	3023	$Coro::current->{desc} = "enter_exit";
2750		3024
2751	unless (eval {	3025	unless (eval {
2752	$self->deactivate_recursive; # just to be sure	3026	$self->deactivate_recursive; # just to be sure
2753		3027
2754	# random map handling
2755	{
2756	my $guard = cf::lock_acquire "exit_prepare:$exit";
2757
2758	prepare_random_map $exit
2759	if $exit->slaying eq "/!";
2760	}
2761
2762	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	3028	my $map = cf::map::normalise $exit->slaying, $exit->map;
2763	my $x = $exit->stats->hp;	3029	my $x = $exit->stats->hp;
2764	my $y = $exit->stats->sp;	3030	my $y = $exit->stats->sp;
		3031
		3032	# special map handling
		3033	my $slaying = $exit->slaying;
		3034
		3035	# special map handling
		3036	if ($slaying eq "/!") {
		3037	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3038
		3039	prepare_random_map $exit
		3040	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3041
		3042	$map = $exit->slaying;
		3043
		3044	} elsif ($slaying eq '!up') {
		3045	$map = $exit->map->tile_path (cf::TILE_UP);
		3046	$x = $exit->x;
		3047	$y = $exit->y;
		3048
		3049	} elsif ($slaying eq '!down') {
		3050	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3051	$x = $exit->x;
		3052	$y = $exit->y;
		3053	}
2765		3054
2766	$self->goto ($map, $x, $y);	3055	$self->goto ($map, $x, $y);
2767		3056
2768	# if exit is damned, update players death & WoR home-position	3057	# if exit is damned, update players death & WoR home-position
2769	$self->contr->savebed ($map, $x, $y)	3058	$self->contr->savebed ($map, $x, $y)
2770	if $exit->flag (cf::FLAG_DAMNED);	3059	if $exit->flag (cf::FLAG_DAMNED);
2771		3060
2772	1	3061	1
2773	}) {	3062	}) {
2774	$self->message ("Something went wrong deep within the crossfire server. "	3063	$self->message ("Something went wrong deep within the deliantra server. "
2775	. "I'll try to bring you back to the map you were before. "	3064	. "I'll try to bring you back to the map you were before. "
2776	. "Please report this to the dungeon master!",	3065	. "Please report this to the dungeon master!",
2777	cf::NDI_UNIQUE | cf::NDI_RED);	3066	cf::NDI_UNIQUE | cf::NDI_RED);
2778		3067
2779	warn "ERROR in enter_exit: $@";	3068	error "ERROR in enter_exit: $@";
2780	$self->leave_link;	3069	$self->leave_link;
2781	}	3070	}
2782	})->prio (1);	3071	})->prio (1);
2783	}	3072	}
2784		3073
2785	=head3 cf::client	3074	=head3 cf::client
2786		3075
2787	=over 4	3076	=over 4
2788		3077
2789	=item $client->send_drawinfo ($text, $flags)	3078	=item $client->send_big_packet ($pkt)
2790		3079
2791	Sends a drawinfo packet to the client. Circumvents output buffering so	3080	Like C<send_packet>, but tries to compress large packets, and fragments
2792	should not be used under normal circumstances.	3081	them as required.
2793		3082
2794	=cut	3083	=cut
2795		3084
		3085	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3086
2796	sub cf::client::send_drawinfo {	3087	sub cf::client::send_big_packet {
2797	my ($self, $text, $flags) = @_;	3088	my ($self, $pkt) = @_;
2798		3089
2799	utf8::encode $text;	3090	# try lzf for large packets
2800	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3091	$pkt = "lzf " . Compress::LZF::compress $pkt
		3092	if 1024 <= length $pkt and $self->{can_lzf};
		3093
		3094	# split very large packets
		3095	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3096	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3097	$pkt = "frag";
		3098	}
		3099
		3100	$self->send_packet ($pkt);
2801	}	3101	}
2802		3102
2803	=item $client->send_msg ($channel, $msg, $color, [extra...])	3103	=item $client->send_msg ($channel, $msg, $color, [extra...])
2804		3104
2805	Send a drawinfo or msg packet to the client, formatting the msg for the	3105	Send a msg packet to the client, formatting the msg for the client if
2806	client if neccessary. C<$type> should be a string identifying the type of	3106	necessary. C<$type> should be a string identifying the type of the
2807	the message, with C<log> being the default. If C<$color> is negative, suppress	3107	message, with C<log> being the default. If C<$color> is negative, suppress
2808	the message unless the client supports the msg packet.	3108	the message unless the client supports the msg packet.
2809		3109
2810	=cut	3110	=cut
2811		3111
2812	# non-persistent channels (usually the info channel)	3112	# non-persistent channels (usually the info channel)
2813	our %CHANNEL = (	3113	our %CHANNEL = (
		3114	"c/motd" => {
		3115	id => "infobox",
		3116	title => "MOTD",
		3117	reply => undef,
		3118	tooltip => "The message of the day",
		3119	},
2814	"c/identify" => {	3120	"c/identify" => {
2815	id => "infobox",	3121	id => "infobox",
2816	title => "Identify",	3122	title => "Identify",
2817	reply => undef,	3123	reply => undef,
2818	tooltip => "Items recently identified",	3124	tooltip => "Items recently identified",
…		…
2820	"c/examine" => {	3126	"c/examine" => {
2821	id => "infobox",	3127	id => "infobox",
2822	title => "Examine",	3128	title => "Examine",
2823	reply => undef,	3129	reply => undef,
2824	tooltip => "Signs and other items you examined",	3130	tooltip => "Signs and other items you examined",
		3131	},
		3132	"c/shopinfo" => {
		3133	id => "infobox",
		3134	title => "Shop Info",
		3135	reply => undef,
		3136	tooltip => "What your bargaining skill tells you about the shop",
2825	},	3137	},
2826	"c/book" => {	3138	"c/book" => {
2827	id => "infobox",	3139	id => "infobox",
2828	title => "Book",	3140	title => "Book",
2829	reply => undef,	3141	reply => undef,
…		…
2845	id => "infobox",	3157	id => "infobox",
2846	title => "Body Parts",	3158	title => "Body Parts",
2847	reply => undef,	3159	reply => undef,
2848	tooltip => "Shows which body parts you posess and are available",	3160	tooltip => "Shows which body parts you posess and are available",
2849	},	3161	},
		3162	"c/statistics" => {
		3163	id => "infobox",
		3164	title => "Statistics",
		3165	reply => undef,
		3166	tooltip => "Shows your primary statistics",
		3167	},
		3168	"c/skills" => {
		3169	id => "infobox",
		3170	title => "Skills",
		3171	reply => undef,
		3172	tooltip => "Shows your experience per skill and item power",
		3173	},
		3174	"c/shopitems" => {
		3175	id => "infobox",
		3176	title => "Shop Items",
		3177	reply => undef,
		3178	tooltip => "Shows the items currently for sale in this shop",
		3179	},
		3180	"c/resistances" => {
		3181	id => "infobox",
		3182	title => "Resistances",
		3183	reply => undef,
		3184	tooltip => "Shows your resistances",
		3185	},
		3186	"c/pets" => {
		3187	id => "infobox",
		3188	title => "Pets",
		3189	reply => undef,
		3190	tooltip => "Shows information abotu your pets/a specific pet",
		3191	},
		3192	"c/perceiveself" => {
		3193	id => "infobox",
		3194	title => "Perceive Self",
		3195	reply => undef,
		3196	tooltip => "You gained detailed knowledge about yourself",
		3197	},
2850	"c/uptime" => {	3198	"c/uptime" => {
2851	id => "infobox",	3199	id => "infobox",
2852	title => "Uptime",	3200	title => "Uptime",
2853	reply => undef,	3201	reply => undef,
2854	tooltip => "How long the server has been running since last restart",	3202	tooltip => "How long the server has been running since last restart",
…		…
2863	id => "party",	3211	id => "party",
2864	title => "Party",	3212	title => "Party",
2865	reply => "gsay ",	3213	reply => "gsay ",
2866	tooltip => "Messages and chat related to your party",	3214	tooltip => "Messages and chat related to your party",
2867	},	3215	},
		3216	"c/death" => {
		3217	id => "death",
		3218	title => "Death",
		3219	reply => undef,
		3220	tooltip => "Reason for and more info about your most recent death",
		3221	},
		3222	"c/fatal" => {
		3223	id => "fatal",
		3224	title => "Fatal Error",
		3225	reply => undef,
		3226	tooltip => "Reason for the server disconnect",
		3227	},
		3228	"c/say" => $SAY_CHANNEL,
		3229	"c/chat" => $CHAT_CHANNEL,
2868	);	3230	);
2869		3231
2870	sub cf::client::send_msg {	3232	sub cf::client::send_msg {
2871	my ($self, $channel, $msg, $color, @extra) = @_;	3233	my ($self, $channel, $msg, $color, @extra) = @_;
2872		3234
2873	$msg = $self->pl->expand_cfpod ($msg);	3235	$msg = $self->pl->expand_cfpod ($msg)
		3236	unless $color & cf::NDI_VERBATIM;
2874		3237
2875	$color &= cf::NDI_CLIENT_MASK; # just in case...	3238	$color &= cf::NDI_CLIENT_MASK; # just in case...
2876		3239
2877	# check predefined channels, for the benefit of C	3240	# check predefined channels, for the benefit of C
2878	if ($CHANNEL{$channel}) {	3241	if ($CHANNEL{$channel}) {
2879	$channel = $CHANNEL{$channel};	3242	$channel = $CHANNEL{$channel};
2880		3243
2881	$self->ext_msg (channel_info => $channel)	3244	$self->ext_msg (channel_info => $channel);
2882	if $self->can_msg;
2883
2884	$channel = $channel->{id};	3245	$channel = $channel->{id};
2885		3246
2886	} elsif (ref $channel) {	3247	} elsif (ref $channel) {
2887	# send meta info to client, if not yet sent	3248	# send meta info to client, if not yet sent
2888	unless (exists $self->{channel}{$channel->{id}}) {	3249	unless (exists $self->{channel}{$channel->{id}}) {
2889	$self->{channel}{$channel->{id}} = $channel;	3250	$self->{channel}{$channel->{id}} = $channel;
2890	$self->ext_msg (channel_info => $channel)	3251	$self->ext_msg (channel_info => $channel);
2891	if $self->can_msg;
2892	}	3252	}
2893		3253
2894	$channel = $channel->{id};	3254	$channel = $channel->{id};
2895	}	3255	}
2896		3256
2897	return unless @extra || length $msg;	3257	return unless @extra || length $msg;
2898		3258
2899	if ($self->can_msg) {
2900	# default colour, mask it out	3259	# default colour, mask it out
2901	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3260	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2902	if $color & cf::NDI_DEF;	3261	if $color & cf::NDI_DEF;
2903		3262
2904	$self->send_packet ("msg " . $self->{json_coder}->encode (	3263	my $pkt = "msg "
		3264	. $self->{json_coder}->encode (
2905	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3265	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2906	} else {	3266	);
2907	if ($color >= 0) {
2908	# replace some tags by gcfclient-compatible ones
2909	for ($msg) {
2910	1 while
2911	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2912	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2913	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2914	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2915	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2916	}
2917		3267
2918	$color &= cf::NDI_COLOR_MASK;	3268	$self->send_big_packet ($pkt);
2919
2920	utf8::encode $msg;
2921
2922	if (0 && $msg =~ /\[/) {
2923	# COMMAND/INFO
2924	$self->send_packet ("drawextinfo $color 10 8 $msg")
2925	} else {
2926	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2927	$self->send_packet ("drawinfo $color $msg")
2928	}
2929	}
2930	}
2931	}	3269	}
2932		3270
2933	=item $client->ext_msg ($type, @msg)	3271	=item $client->ext_msg ($type, @msg)
2934		3272
2935	Sends an ext event to the client.	3273	Sends an ext event to the client.
…		…
2937	=cut	3275	=cut
2938		3276
2939	sub cf::client::ext_msg($$@) {	3277	sub cf::client::ext_msg($$@) {
2940	my ($self, $type, @msg) = @_;	3278	my ($self, $type, @msg) = @_;
2941		3279
2942	if ($self->extcmd == 2) {
2943	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3280	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2944	} elsif ($self->extcmd == 1) { # TODO: remove
2945	push @msg, msgtype => "event_$type";
2946	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2947	}
2948	}
2949
2950	=item $client->ext_reply ($msgid, @msg)
2951
2952	Sends an ext reply to the client.
2953
2954	=cut
2955
2956	sub cf::client::ext_reply($$@) {
2957	my ($self, $id, @msg) = @_;
2958
2959	if ($self->extcmd == 2) {
2960	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2961	} elsif ($self->extcmd == 1) {
2962	#TODO: version 1, remove
2963	unshift @msg, msgtype => "reply", msgid => $id;
2964	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2965	}
2966	}	3281	}
2967		3282
2968	=item $success = $client->query ($flags, "text", \&cb)	3283	=item $success = $client->query ($flags, "text", \&cb)
2969		3284
2970	Queues a query to the client, calling the given callback with	3285	Queues a query to the client, calling the given callback with
…		…
2990		3305
2991	$self->send_packet ($self->{query_queue}[0][0])	3306	$self->send_packet ($self->{query_queue}[0][0])
2992	if @{ $self->{query_queue} } == 1;	3307	if @{ $self->{query_queue} } == 1;
2993		3308
2994	1	3309	1
		3310	}
		3311
		3312	=item $client->update_command_faces
		3313
		3314	=cut
		3315
		3316	our %COMMAND_FACE;
		3317
		3318	sub cf::client::update_command_faces {
		3319	my ($self) = @_;
		3320
		3321	my @faces = grep $_,
		3322	$COMMAND_FACE{preferred},
		3323	$COMMAND_FACE{standard},
		3324	$COMMAND_FACE{skill},
		3325	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3326	$COMMAND_FACE{emote},
		3327	;
		3328
		3329	$self->send_face ($_)
		3330	for @faces;
		3331	$self->flush_fx;
		3332
		3333	$self->ext_msg (command_list => @faces);
		3334	}
		3335
		3336	=item cf::client::set_command_face $type, $commands
		3337
		3338	=cut
		3339
		3340	sub cf::client::set_command_face {
		3341	my ($type, $list) = @_;
		3342
		3343	my $idx = &cf::face::set ( #d# ugly forward reference
		3344	"command_list/$type" => cf::FT_RSRC,
		3345	JSON::XS->new->utf8->encode ([ sort @$list ])
		3346	);
		3347
		3348	$COMMAND_FACE{$type} = $idx;
2995	}	3349	}
2996		3350
2997	cf::client->attach (	3351	cf::client->attach (
2998	on_connect => sub {	3352	on_connect => sub {
2999	my ($ns) = @_;	3353	my ($ns) = @_;
…		…
3025	my ($ns, $buf) = @_;	3379	my ($ns, $buf) = @_;
3026		3380
3027	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3381	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3028		3382
3029	if (ref $msg) {	3383	if (ref $msg) {
3030	my ($type, $reply, @payload) =	3384	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3031	"ARRAY" eq ref $msg
3032	? @$msg
3033	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3034		3385
3035	my @reply;
3036
3037	if (my $cb = $EXTICMD{$type}) {	3386	if (my $cb = $EXTIACMD{$type}) {
		3387	$cb->(
		3388	$ns,
		3389	sub {
		3390	$ns->ext_msg ("reply-$reply", @_)
		3391	if $reply;
		3392	},
		3393	@payload
		3394	);
		3395	} else {
		3396	my @reply;
		3397
		3398	if (my $cb = $EXTICMD{$type}) {
3038	@reply = $cb->($ns, @payload);	3399	@reply = $cb->($ns, @payload);
		3400	}
		3401
		3402	$ns->ext_msg ("reply-$reply", @reply)
		3403	if $reply;
3039	}	3404	}
3040
3041	$ns->ext_reply ($reply, @reply)
3042	if $reply;
3043
3044	} else {	3405	} else {
3045	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3406	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3046	}	3407	}
3047		3408
3048	cf::override;	3409	cf::override;
3049	},	3410	},
3050	);	3411	);
…		…
3070		3431
3071	$coro	3432	$coro
3072	}	3433	}
3073		3434
3074	cf::client->attach (	3435	cf::client->attach (
3075	on_destroy => sub {	3436	on_client_destroy => sub {
3076	my ($ns) = @_;	3437	my ($ns) = @_;
3077		3438
3078	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3439	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3079	},	3440	},
3080	);	3441	);
…		…
3096	our $safe_hole = new Safe::Hole;	3457	our $safe_hole = new Safe::Hole;
3097		3458
3098	$SIG{FPE} = 'IGNORE';	3459	$SIG{FPE} = 'IGNORE';
3099		3460
3100	$safe->permit_only (Opcode::opset qw(	3461	$safe->permit_only (Opcode::opset qw(
3101	:base_core :base_mem :base_orig :base_math	3462	:base_core :base_mem :base_orig :base_math :base_loop
3102	grepstart grepwhile mapstart mapwhile	3463	grepstart grepwhile mapstart mapwhile
3103	sort time	3464	sort time
3104	));	3465	));
3105		3466
3106	# here we export the classes and methods available to script code	3467	# here we export the classes and methods available to script code
…		…
3110	The following functions and methods are available within a safe environment:	3471	The following functions and methods are available within a safe environment:
3111		3472
3112	cf::object	3473	cf::object
3113	contr pay_amount pay_player map x y force_find force_add destroy	3474	contr pay_amount pay_player map x y force_find force_add destroy
3114	insert remove name archname title slaying race decrease split	3475	insert remove name archname title slaying race decrease split
		3476	value
3115		3477
3116	cf::object::player	3478	cf::object::player
3117	player	3479	player
3118		3480
3119	cf::player	3481	cf::player
…		…
3125	=cut	3487	=cut
3126		3488
3127	for (	3489	for (
3128	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3490	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3129	insert remove inv nrof name archname title slaying race	3491	insert remove inv nrof name archname title slaying race
3130	decrease split destroy)],	3492	decrease split destroy change_exp value msg lore send_msg)],
3131	["cf::object::player" => qw(player)],	3493	["cf::object::player" => qw(player)],
3132	["cf::player" => qw(peaceful)],	3494	["cf::player" => qw(peaceful send_msg)],
3133	["cf::map" => qw(trigger)],	3495	["cf::map" => qw(trigger)],
3134	) {	3496	) {
3135	no strict 'refs';
3136	my ($pkg, @funs) = @$_;	3497	my ($pkg, @funs) = @$_;
3137	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3498	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3138	for @funs;	3499	for @funs;
3139	}	3500	}
3140		3501
…		…
3155		3516
3156	my $qcode = $code;	3517	my $qcode = $code;
3157	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3518	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3158	$qcode =~ s/\n/\\n/g;	3519	$qcode =~ s/\n/\\n/g;
3159		3520
		3521	%vars = (_dummy => 0) unless %vars;
		3522
		3523	my @res;
3160	local $_;	3524	local $_;
3161	local @safe::cf::_safe_eval_args = values %vars;
3162		3525
3163	my $eval =	3526	my $eval =
3164	"do {\n"	3527	"do {\n"
3165	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3528	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3166	. "#line 0 \"{$qcode}\"\n"	3529	. "#line 0 \"{$qcode}\"\n"
3167	. $code	3530	. $code
3168	. "\n}"	3531	. "\n}"
3169	;	3532	;
3170		3533
		3534	if ($CFG{safe_eval}) {
3171	sub_generation_inc;	3535	sub_generation_inc;
		3536	local @safe::cf::_safe_eval_args = values %vars;
3172	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3537	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3173	sub_generation_inc;	3538	sub_generation_inc;
		3539	} else {
		3540	local @cf::_safe_eval_args = values %vars;
		3541	@res = wantarray ? eval eval : scalar eval $eval;
		3542	}
3174		3543
3175	if ($@) {	3544	if ($@) {
3176	warn "$@";	3545	warn "$@",
3177	warn "while executing safe code '$code'\n";	3546	"while executing safe code '$code'\n",
3178	warn "with arguments " . (join " ", %vars) . "\n";	3547	"with arguments " . (join " ", %vars) . "\n";
3179	}	3548	}
3180		3549
3181	wantarray ? @res : $res[0]	3550	wantarray ? @res : $res[0]
3182	}	3551	}
3183		3552
…		…
3197	=cut	3566	=cut
3198		3567
3199	sub register_script_function {	3568	sub register_script_function {
3200	my ($fun, $cb) = @_;	3569	my ($fun, $cb) = @_;
3201		3570
3202	no strict 'refs';	3571	$fun = "safe::$fun" if $CFG{safe_eval};
3203	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3572	*$fun = $safe_hole->wrap ($cb);
3204	}	3573	}
3205		3574
3206	=back	3575	=back
3207		3576
3208	=cut	3577	=cut
3209		3578
3210	#############################################################################	3579	#############################################################################
3211	# the server's init and main functions	3580	# the server's init and main functions
3212		3581
		3582	{
		3583	package cf::face;
		3584
		3585	our %HASH; # hash => idx
		3586	our @DATA; # dynamically-created facedata, only faceste 0 used
		3587	our @FOFS; # file offset, if > 0
		3588	our @SIZE; # size of face, in octets
		3589	our @META; # meta hash of face, if any
		3590	our $DATAFH; # facedata filehandle
		3591
		3592	# internal api, not finalised
		3593	sub set {
		3594	my ($name, $type, $data) = @_;
		3595
		3596	my $idx = cf::face::find $name;
		3597
		3598	if ($idx) {
		3599	delete $HASH{cf::face::get_csum $idx};
		3600	} else {
		3601	$idx = cf::face::alloc $name;
		3602	}
		3603
		3604	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3605
		3606	cf::face::set_type $idx, $type;
		3607	cf::face::set_csum $idx, 0, $hash;
		3608
		3609	# we need to destroy the SV itself, not just modify it, as a running ix
		3610	# might hold a reference to it: "delete" achieves that.
		3611	delete $FOFS[0][$idx];
		3612	delete $DATA[0][$idx];
		3613	$DATA[0][$idx] = $data;
		3614	$SIZE[0][$idx] = length $data;
		3615	delete $META[$idx];
		3616	$HASH{$hash} = $idx;#d#
		3617
		3618	$idx
		3619	}
		3620
		3621	sub _get_data($$$) {
		3622	my ($idx, $set, $cb) = @_;
		3623
		3624	if (defined $DATA[$set][$idx]) {
		3625	$cb->($DATA[$set][$idx]);
		3626	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3627	my $size = $SIZE[$set][$idx];
		3628	my $buf;
		3629	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3630	if ($_[0] == $size) {
		3631	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3632	$cb->($buf);
		3633	} else {
		3634	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3635	}
		3636	};
		3637	} else {
		3638	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3639	}
		3640	}
		3641
		3642	# rather ineffient
		3643	sub cf::face::get_data($;$) {
		3644	my ($idx, $set) = @_;
		3645
		3646	_get_data $idx, $set, Coro::rouse_cb;
		3647	Coro::rouse_wait
		3648	}
		3649
		3650	sub cf::face::ix {
		3651	my ($ns, $set, $idx, $pri) = @_;
		3652
		3653	_get_data $idx, $set, sub {
		3654	$ns->ix_send ($idx, $pri, $_[0]);
		3655	};
		3656	}
		3657	}
		3658
3213	sub load_facedata($) {	3659	sub load_facedata($) {
3214	my ($path) = @_;	3660	my ($path) = @_;
3215		3661
3216	# HACK to clear player env face cache, we need some signal framework
3217	# for this (global event?)
3218	%ext::player_env::MUSIC_FACE_CACHE = ();
3219
3220	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3662	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3221		3663
3222	warn "loading facedata from $path\n";	3664	trace "loading facedata from $path\n";
3223		3665
3224	my $facedata;	3666	my $facedata = decode_storable load_file "$path/faceinfo";
3225	0 < aio_load $path, $facedata
3226	or die "$path: $!";
3227
3228	$facedata = Coro::Storable::thaw $facedata;
3229		3667
3230	$facedata->{version} == 2	3668	$facedata->{version} == 2
3231	or cf::cleanup "$path: version mismatch, cannot proceed.";	3669	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3232		3670
3233	# patch in the exptable	3671	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3234	$facedata->{resource}{"res/exp_table"} = {	3672	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3235	type => FT_RSRC,	3673
3236	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3674	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3237	};	3675
3238	cf::cede_to_tick;	3676	# BEGIN ATOMIC
		3677	# from here on, everything must be atomic - no thread switch allowed
		3678	my $t1 = EV::time;
3239		3679
3240	{	3680	{
3241	my $faces = $facedata->{faceinfo};	3681	my $faces = $facedata->{faceinfo};
3242		3682
3243	while (my ($face, $info) = each %$faces) {	3683	for my $face (sort keys %$faces) {
		3684	my $info = $faces->{$face};
3244	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3685	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3245		3686
3246	cf::face::set_visibility $idx, $info->{visibility};	3687	cf::face::set_visibility $idx, $info->{visibility};
3247	cf::face::set_magicmap $idx, $info->{magicmap};	3688	cf::face::set_magicmap $idx, $info->{magicmap};
3248	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3689	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3249	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3690	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3250		3691	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3251	cf::cede_to_tick;	3692	$cf::face::HASH{$info->{hash64}} = $idx;
		3693	delete $cf::face::META[$idx];
3252	}	3694	}
3253		3695
3254	while (my ($face, $info) = each %$faces) {	3696	while (my ($face, $info) = each %$faces) {
3255	next unless $info->{smooth};	3697	next unless $info->{smooth};
3256		3698
…		…
3259		3701
3260	if (my $smooth = cf::face::find $info->{smooth}) {	3702	if (my $smooth = cf::face::find $info->{smooth}) {
3261	cf::face::set_smooth $idx, $smooth;	3703	cf::face::set_smooth $idx, $smooth;
3262	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3704	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3263	} else {	3705	} else {
3264	warn "smooth face '$info->{smooth}' not found for face '$face'";	3706	error "smooth face '$info->{smooth}' not found for face '$face'";
3265	}	3707	}
3266
3267	cf::cede_to_tick;
3268	}	3708	}
3269	}	3709	}
3270		3710
3271	{	3711	{
3272	my $anims = $facedata->{animinfo};	3712	my $anims = $facedata->{animinfo};
3273		3713
3274	while (my ($anim, $info) = each %$anims) {	3714	while (my ($anim, $info) = each %$anims) {
3275	cf::anim::set $anim, $info->{frames}, $info->{facings};	3715	cf::anim::set $anim, $info->{frames}, $info->{facings};
3276	cf::cede_to_tick;
3277	}	3716	}
3278		3717
3279	cf::anim::invalidate_all; # d'oh	3718	cf::anim::invalidate_all; # d'oh
3280	}	3719	}
3281		3720
3282	{	3721	{
3283	# TODO: for gcfclient pleasure, we should give resources
3284	# that gcfclient doesn't grok a >10000 face index.
3285	my $res = $facedata->{resource};	3722	my $res = $facedata->{resource};
3286		3723
3287	while (my ($name, $info) = each %$res) {	3724	while (my ($name, $info) = each %$res) {
3288	if (defined $info->{type}) {	3725	if (defined (my $type = $info->{type})) {
		3726	# TODO: different hash - must free and use new index, or cache ixface data queue
3289	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3727	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3290	my $data;
3291		3728
3292	if ($info->{type} & 1) {
3293	# prepend meta info
3294
3295	my $meta = $enc->encode ({
3296	name => $name,
3297	%{ $info->{meta} || {} },
3298	});
3299
3300	$data = pack "(w/a*)*", $meta, $info->{data};
3301	} else {
3302	$data = $info->{data};
3303	}
3304
3305	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3306	cf::face::set_type $idx, $info->{type};	3729	cf::face::set_type $idx, $type;
		3730	cf::face::set_csum $idx, 0, $info->{hash};
		3731	$cf::face::SIZE[0][$idx] = $info->{size};
		3732	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3733	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3734	$cf::face::HASH{$info->{hash}} = $idx;
3307	} else {	3735	} else {
3308	$RESOURCE{$name} = $info;	3736	# $RESOURCE{$name} = $info; # unused
3309	}	3737	}
3310
3311	cf::cede_to_tick;
3312	}	3738	}
3313	}	3739	}
		3740
		3741	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3742
		3743	# HACK to clear player env face cache, we need some signal framework
		3744	# for this (global event?)
		3745	%ext::player_env::MUSIC_FACE_CACHE = ();
		3746
		3747	# END ATOMIC
		3748
		3749	cf::debug "facedata atomic update time ", EV::time - $t1;
3314		3750
3315	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3751	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3316		3752
		3753	aio_close $fh if $fh; # close old facedata
		3754
3317	1	3755	1
3318	}	3756	}
3319
3320	cf::global->attach (on_resource_update => sub {
3321	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3322	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3323
3324	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3325	my $sound = $soundconf->{compat}[$_]
3326	or next;
3327
3328	my $face = cf::face::find "sound/$sound->[1]";
3329	cf::sound::set $sound->[0] => $face;
3330	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3331	}
3332
3333	while (my ($k, $v) = each %{$soundconf->{event}}) {
3334	my $face = cf::face::find "sound/$v";
3335	cf::sound::set $k => $face;
3336	}
3337	}
3338	});
3339		3757
3340	register_exticmd fx_want => sub {	3758	register_exticmd fx_want => sub {
3341	my ($ns, $want) = @_;	3759	my ($ns, $want) = @_;
3342		3760
3343	while (my ($k, $v) = each %$want) {	3761	while (my ($k, $v) = each %$want) {
…		…
3351	my $status = load_resource_file_ $_[0];	3769	my $status = load_resource_file_ $_[0];
3352	get_slot 0.1, 100;	3770	get_slot 0.1, 100;
3353	cf::arch::commit_load;	3771	cf::arch::commit_load;
3354		3772
3355	$status	3773	$status
		3774	}
		3775
		3776	sub reload_exp_table {
		3777	_reload_exp_table;
		3778
		3779	cf::face::set
		3780	"res/exp_table" => FT_RSRC,
		3781	JSON::XS->new->utf8->canonical->encode (
		3782	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3783	);
		3784	}
		3785
		3786	sub reload_materials {
		3787	_reload_materials;
3356	}	3788	}
3357		3789
3358	sub reload_regions {	3790	sub reload_regions {
3359	# HACK to clear player env face cache, we need some signal framework	3791	# HACK to clear player env face cache, we need some signal framework
3360	# for this (global event?)	3792	# for this (global event?)
…		…
3368	if exists $_->{match};	3800	if exists $_->{match};
3369	}	3801	}
3370	}	3802	}
3371		3803
3372	sub reload_facedata {	3804	sub reload_facedata {
3373	load_facedata "$DATADIR/facedata"	3805	load_facedata $DATADIR
3374	or die "unable to load facedata\n";	3806	or die "unable to load facedata\n";
3375	}	3807	}
3376		3808
3377	sub reload_archetypes {	3809	sub reload_archetypes {
3378	load_resource_file "$DATADIR/archetypes"	3810	load_resource_file "$DATADIR/archetypes"
3379	or die "unable to load archetypes\n";	3811	or die "unable to load archetypes\n";
		3812
		3813	cf::face::set
		3814	"res/skill_info" => FT_RSRC,
		3815	JSON::XS->new->utf8->canonical->encode (
		3816	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3817	);
		3818
		3819	cf::face::set
		3820	"res/spell_paths" => FT_RSRC,
		3821	JSON::XS->new->utf8->canonical->encode (
		3822	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3823	);
		3824
		3825	# command completion
		3826	my @commands;
		3827
		3828	for (0..cf::arch::skillvec_size - 1) {
		3829	my $skill = cf::arch::skillvec $_;
		3830	my $name = $skill->name;
		3831	my $flags = cf::skill_flags $skill->subtype;
		3832
		3833	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3834	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3835	}
		3836
		3837	cf::client::set_command_face skill => \@commands;
3380	}	3838	}
3381		3839
3382	sub reload_treasures {	3840	sub reload_treasures {
3383	load_resource_file "$DATADIR/treasures"	3841	load_resource_file "$DATADIR/treasures"
3384	or die "unable to load treasurelists\n";	3842	or die "unable to load treasurelists\n";
3385	}	3843	}
3386		3844
		3845	sub reload_sound {
		3846	trace "loading sound config from $DATADIR/sound\n";
		3847
		3848	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3849
		3850	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3851	my $sound = $soundconf->{compat}[$_]
		3852	or next;
		3853
		3854	my $face = cf::face::find "sound/$sound->[1]";
		3855	cf::sound::set $sound->[0] => $face;
		3856	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3857	}
		3858
		3859	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3860	my $face = cf::face::find "sound/$v";
		3861	cf::sound::set $k => $face;
		3862	}
		3863	}
		3864
3387	sub reload_resources {	3865	sub reload_resources {
3388	warn "reloading resource files...\n";	3866	trace "reloading resource files...\n";
3389		3867
		3868	reload_materials;
3390	reload_facedata;	3869	reload_facedata;
		3870	reload_exp_table;
		3871	reload_sound;
3391	reload_archetypes;	3872	reload_archetypes;
3392	reload_regions;	3873	reload_regions;
3393	reload_treasures;	3874	reload_treasures;
3394		3875
3395	warn "finished reloading resource files\n";	3876	trace "finished reloading resource files\n";
3396	}
3397
3398	sub init {
3399	my $guard = freeze_mainloop;
3400
3401	reload_resources;
3402	}	3877	}
3403		3878
3404	sub reload_config {	3879	sub reload_config {
3405	open my $fh, "<:utf8", "$CONFDIR/config"	3880	trace "reloading config file...\n";
3406	or return;
3407		3881
3408	local $/;	3882	my $config = load_file "$CONFDIR/config";
3409	*CFG = YAML::Load <$fh>;	3883	utf8::decode $config;
		3884	*CFG = decode_yaml $config;
3410		3885
3411	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3886	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3412		3887
3413	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3888	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3414	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3889	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3415		3890
3416	if (exists $CFG{mlockall}) {	3891	if (exists $CFG{mlockall}) {
…		…
3420	};	3895	};
3421	warn $@ if $@;	3896	warn $@ if $@;
3422	}	3897	}
3423	}	3898	}
3424		3899
		3900	sub pidfile() {
		3901	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3902	or die "$PIDFILE: $!";
		3903	flock $fh, &Fcntl::LOCK_EX
		3904	or die "$PIDFILE: flock: $!";
		3905	$fh
		3906	}
		3907
		3908	# make sure only one server instance is running at any one time
		3909	sub atomic {
		3910	my $fh = pidfile;
		3911
		3912	my $pid = <$fh>;
		3913	kill 9, $pid if $pid > 0;
		3914
		3915	seek $fh, 0, 0;
		3916	print $fh $$;
		3917	}
		3918
		3919	sub main_loop {
		3920	trace "EV::run starting\n";
		3921	if (1) {
		3922	EV::run;
		3923	}
		3924	trace "EV::run returned\n";
		3925	goto &main_loop unless $REALLY_UNLOOP;
		3926	}
		3927
3425	sub main {	3928	sub main {
		3929	cf::init_globals; # initialise logging
		3930
		3931	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3932	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3933	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3934	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3935
		3936	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3937
3426	# we must not ever block the main coroutine	3938	# we must not ever block the main coroutine
3427	local $Coro::idle = sub {	3939	$Coro::idle = sub {
3428	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3940	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3429	(async {	3941	(async {
3430	$Coro::current->{desc} = "IDLE BUG HANDLER";	3942	$Coro::current->{desc} = "IDLE BUG HANDLER";
3431	EV::loop EV::LOOP_ONESHOT;	3943	EV::run EV::RUN_ONESHOT;
3432	})->prio (Coro::PRIO_MAX);	3944	})->prio (Coro::PRIO_MAX);
3433	};	3945	};
3434		3946
3435	{	3947	evthread_start IO::AIO::poll_fileno;
3436	my $guard = freeze_mainloop;	3948
		3949	cf::sync_job {
		3950	cf::incloader::init ();
		3951
		3952	db_init;
		3953
		3954	cf::init_anim;
		3955	cf::init_attackmess;
		3956	cf::init_dynamic;
		3957
		3958	cf::load_settings;
		3959
		3960	reload_resources;
3437	reload_config;	3961	reload_config;
3438	db_init;	3962
		3963	cf::init_uuid;
		3964	cf::init_signals;
		3965	cf::init_skills;
		3966
		3967	cf::init_beforeplay;
		3968
		3969	atomic;
		3970
3439	load_extensions;	3971	load_extensions;
3440		3972
3441	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3973	utime time, time, $RUNTIMEFILE;
3442	evthread_start IO::AIO::poll_fileno;	3974
		3975	# no (long-running) fork's whatsoever before this point(!)
		3976	use POSIX ();
		3977	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3978
		3979	cf::_post_init 0;
3443	}	3980	};
3444		3981
3445	EV::loop;	3982	cf::object::thawer::errors_are_fatal 0;
		3983	info "parse errors in files are no longer fatal from this point on.\n";
		3984
		3985	AE::postpone {
		3986	undef &main; # free gobs of memory :)
		3987	};
		3988
		3989	goto &main_loop;
3446	}	3990	}
3447		3991
3448	#############################################################################	3992	#############################################################################
3449	# initialisation and cleanup	3993	# initialisation and cleanup
3450		3994
3451	# install some emergency cleanup handlers	3995	# install some emergency cleanup handlers
3452	BEGIN {	3996	BEGIN {
3453	our %SIGWATCHER = ();	3997	our %SIGWATCHER = ();
3454	for my $signal (qw(INT HUP TERM)) {	3998	for my $signal (qw(INT HUP TERM)) {
3455	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3999	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3456	cf::cleanup "SIG$signal";	4000	cf::cleanup "SIG$signal";
3457	};	4001	};
3458	}	4002	}
3459	}	4003	}
3460		4004
3461	sub write_runtime_sync {	4005	sub write_runtime_sync {
3462	my $runtime = "$LOCALDIR/runtime";	4006	my $t0 = AE::time;
3463		4007
3464	# first touch the runtime file to show we are still running:	4008	# first touch the runtime file to show we are still running:
3465	# the fsync below can take a very very long time.	4009	# the fsync below can take a very very long time.
3466		4010
3467	IO::AIO::aio_utime $runtime, undef, undef;	4011	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3468		4012
3469	my $guard = cf::lock_acquire "write_runtime";	4013	my $guard = cf::lock_acquire "write_runtime";
3470		4014
3471	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4015	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3472	or return;	4016	or return;
3473		4017
3474	my $value = $cf::RUNTIME + 90 + 10;	4018	my $value = $cf::RUNTIME + 90 + 10;
3475	# 10 is the runtime save interval, for a monotonic clock	4019	# 10 is the runtime save interval, for a monotonic clock
3476	# 60 allows for the watchdog to kill the server.	4020	# 60 allows for the watchdog to kill the server.
…		…
3486	aio_utime $fh, undef, undef;	4030	aio_utime $fh, undef, undef;
3487		4031
3488	close $fh	4032	close $fh
3489	or return;	4033	or return;
3490		4034
3491	aio_rename "$runtime~", $runtime	4035	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3492	and return;	4036	and return;
3493		4037
3494	warn "runtime file written.\n";	4038	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3495		4039
3496	1	4040	1
3497	}	4041	}
3498		4042
3499	our $uuid_lock;	4043	our $uuid_lock;
…		…
3508	my $uuid = "$LOCALDIR/uuid";	4052	my $uuid = "$LOCALDIR/uuid";
3509		4053
3510	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	4054	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3511	or return;	4055	or return;
3512		4056
3513	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	4057	my $value = uuid_seq uuid_cur;
		4058
		4059	unless ($value) {
		4060	info "cowardly refusing to write zero uuid value!\n";
		4061	return;
		4062	}
		4063
		4064	my $value = uuid_str $value + $uuid_skip;
3514	$uuid_skip = 0;	4065	$uuid_skip = 0;
3515		4066
3516	(aio_write $fh, 0, (length $value), $value, 0) <= 0	4067	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3517	and return;	4068	and return;
3518		4069
…		…
3524	or return;	4075	or return;
3525		4076
3526	aio_rename "$uuid~", $uuid	4077	aio_rename "$uuid~", $uuid
3527	and return;	4078	and return;
3528		4079
3529	warn "uuid file written ($value).\n";	4080	trace "uuid file written ($value).\n";
3530		4081
3531	1	4082	1
3532		4083
3533	}	4084	}
3534		4085
…		…
3540	}	4091	}
3541		4092
3542	sub emergency_save() {	4093	sub emergency_save() {
3543	my $freeze_guard = cf::freeze_mainloop;	4094	my $freeze_guard = cf::freeze_mainloop;
3544		4095
3545	warn "enter emergency perl save\n";	4096	info "emergency_perl_save: enter\n";
		4097
		4098	# this is a trade-off: we want to be very quick here, so
		4099	# save all maps without fsync, and later call a global sync
		4100	# (which in turn might be very very slow)
		4101	local $USE_FSYNC = 0;
3546		4102
3547	cf::sync_job {	4103	cf::sync_job {
		4104	cf::write_runtime_sync; # external watchdog should not bark
		4105
3548	# use a peculiar iteration method to avoid tripping on perl	4106	# use a peculiar iteration method to avoid tripping on perl
3549	# refcount bugs in for. also avoids problems with players	4107	# refcount bugs in for. also avoids problems with players
3550	# and maps saved/destroyed asynchronously.	4108	# and maps saved/destroyed asynchronously.
3551	warn "begin emergency player save\n";	4109	info "emergency_perl_save: begin player save\n";
3552	for my $login (keys %cf::PLAYER) {	4110	for my $login (keys %cf::PLAYER) {
3553	my $pl = $cf::PLAYER{$login} or next;	4111	my $pl = $cf::PLAYER{$login} or next;
3554	$pl->valid or next;	4112	$pl->valid or next;
3555	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4113	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3556	$pl->save;	4114	$pl->save;
3557	}	4115	}
3558	warn "end emergency player save\n";	4116	info "emergency_perl_save: end player save\n";
3559		4117
3560	warn "begin emergency map save\n";	4118	cf::write_runtime_sync; # external watchdog should not bark
		4119
		4120	info "emergency_perl_save: begin map save\n";
3561	for my $path (keys %cf::MAP) {	4121	for my $path (keys %cf::MAP) {
3562	my $map = $cf::MAP{$path} or next;	4122	my $map = $cf::MAP{$path} or next;
3563	$map->valid or next;	4123	$map->valid or next;
3564	$map->save;	4124	$map->save;
3565	}	4125	}
3566	warn "end emergency map save\n";	4126	info "emergency_perl_save: end map save\n";
3567		4127
3568	warn "begin emergency database checkpoint\n";	4128	cf::write_runtime_sync; # external watchdog should not bark
		4129
		4130	info "emergency_perl_save: begin database checkpoint\n";
3569	BDB::db_env_txn_checkpoint $DB_ENV;	4131	BDB::db_env_txn_checkpoint $DB_ENV;
3570	warn "end emergency database checkpoint\n";	4132	info "emergency_perl_save: end database checkpoint\n";
3571		4133
3572	warn "begin write uuid\n";	4134	info "emergency_perl_save: begin write uuid\n";
3573	write_uuid_sync 1;	4135	write_uuid_sync 1;
3574	warn "end write uuid\n";	4136	info "emergency_perl_save: end write uuid\n";
		4137
		4138	cf::write_runtime_sync; # external watchdog should not bark
		4139
		4140	trace "emergency_perl_save: syncing database to disk";
		4141	BDB::db_env_txn_checkpoint $DB_ENV;
		4142
		4143	info "emergency_perl_save: starting sync\n";
		4144	IO::AIO::aio_sync sub {
		4145	info "emergency_perl_save: finished sync\n";
		4146	};
		4147
		4148	cf::write_runtime_sync; # external watchdog should not bark
		4149
		4150	trace "emergency_perl_save: flushing outstanding aio requests";
		4151	while (IO::AIO::nreqs || BDB::nreqs) {
		4152	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4153	}
		4154
		4155	cf::write_runtime_sync; # external watchdog should not bark
3575	};	4156	};
3576		4157
3577	warn "leave emergency perl save\n";	4158	info "emergency_perl_save: leave\n";
3578	}	4159	}
3579		4160
3580	sub post_cleanup {	4161	sub post_cleanup {
3581	my ($make_core) = @_;	4162	my ($make_core) = @_;
3582		4163
		4164	IO::AIO::flush;
		4165
3583	warn Carp::longmess "post_cleanup backtrace"	4166	error Carp::longmess "post_cleanup backtrace"
3584	if $make_core;	4167	if $make_core;
		4168
		4169	my $fh = pidfile;
		4170	unlink $PIDFILE if <$fh> == $$;
		4171	}
		4172
		4173	# a safer delete_package, copied from Symbol
		4174	sub clear_package($) {
		4175	my $pkg = shift;
		4176
		4177	# expand to full symbol table name if needed
		4178	unless ($pkg =~ /^main::.*::$/) {
		4179	$pkg = "main$pkg" if $pkg =~ /^::/;
		4180	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4181	$pkg .= '::' unless $pkg =~ /::$/;
		4182	}
		4183
		4184	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4185	my $stem_symtab = *{$stem}{HASH};
		4186
		4187	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4188	or return;
		4189
		4190	# clear all symbols
		4191	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4192	for my $name (keys %$leaf_symtab) {
		4193	_gv_clear *{"$pkg$name"};
		4194	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4195	}
3585	}	4196	}
3586		4197
3587	sub do_reload_perl() {	4198	sub do_reload_perl() {
3588	# can/must only be called in main	4199	# can/must only be called in main
3589	if ($Coro::current != $Coro::main) {	4200	unless (in_main) {
3590	warn "can only reload from main coroutine";	4201	error "can only reload from main coroutine";
3591	return;	4202	return;
3592	}	4203	}
3593		4204
3594	warn "reloading...";	4205	return if $RELOAD++;
3595		4206
3596	warn "entering sync_job";	4207	my $t1 = AE::time;
3597		4208
		4209	while ($RELOAD) {
		4210	cf::get_slot 0.1, -1, "reload_perl";
		4211	info "perl_reload: reloading...";
		4212
		4213	trace "perl_reload: entering sync_job";
		4214
3598	cf::sync_job {	4215	cf::sync_job {
3599	cf::write_runtime_sync; # external watchdog should not bark
3600	cf::emergency_save;	4216	#cf::emergency_save;
3601	cf::write_runtime_sync; # external watchdog should not bark
3602		4217
3603	warn "syncing database to disk";
3604	BDB::db_env_txn_checkpoint $DB_ENV;
3605
3606	# if anything goes wrong in here, we should simply crash as we already saved
3607
3608	warn "flushing outstanding aio requests";
3609	for (;;) {
3610	BDB::flush;
3611	IO::AIO::flush;
3612	Coro::cede_notself;
3613	last unless IO::AIO::nreqs || BDB::nreqs;
3614	warn "iterate...";
3615	}
3616
3617	++$RELOAD;
3618
3619	warn "cancelling all extension coros";	4218	trace "perl_reload: cancelling all extension coros";
3620	$_->cancel for values %EXT_CORO;	4219	$_->cancel for values %EXT_CORO;
3621	%EXT_CORO = ();	4220	%EXT_CORO = ();
3622		4221
3623	warn "removing commands";	4222	trace "perl_reload: removing commands";
3624	%COMMAND = ();	4223	%COMMAND = ();
3625		4224
3626	warn "removing ext/exti commands";	4225	trace "perl_reload: removing ext/exti commands";
3627	%EXTCMD = ();	4226	%EXTCMD = ();
3628	%EXTICMD = ();	4227	%EXTICMD = ();
3629		4228
3630	warn "unloading/nuking all extensions";	4229	trace "perl_reload: unloading/nuking all extensions";
3631	for my $pkg (@EXTS) {	4230	for my $pkg (@EXTS) {
3632	warn "... unloading $pkg";	4231	trace "... unloading $pkg";
3633		4232
3634	if (my $cb = $pkg->can ("unload")) {	4233	if (my $cb = $pkg->can ("unload")) {
3635	eval {	4234	eval {
3636	$cb->($pkg);	4235	$cb->($pkg);
3637	1	4236	1
3638	} or warn "$pkg unloaded, but with errors: $@";	4237	} or error "$pkg unloaded, but with errors: $@";
		4238	}
		4239
		4240	trace "... clearing $pkg";
		4241	clear_package $pkg;
3639	}	4242	}
3640		4243
3641	warn "... nuking $pkg";
3642	Symbol::delete_package $pkg;
3643	}
3644
3645	warn "unloading all perl modules loaded from $LIBDIR";	4244	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3646	while (my ($k, $v) = each %INC) {	4245	while (my ($k, $v) = each %INC) {
3647	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3648		4247
3649	warn "... unloading $k";	4248	trace "... unloading $k";
3650	delete $INC{$k};	4249	delete $INC{$k};
3651		4250
3652	$k =~ s/\.pm$//;	4251	$k =~ s/\.pm$//;
3653	$k =~ s/\//::/g;	4252	$k =~ s/\//::/g;
3654		4253
3655	if (my $cb = $k->can ("unload_module")) {	4254	if (my $cb = $k->can ("unload_module")) {
3656	$cb->();	4255	$cb->();
		4256	}
		4257
		4258	clear_package $k;
3657	}	4259	}
3658		4260
3659	Symbol::delete_package $k;
3660	}
3661
3662	warn "getting rid of safe::, as good as possible";	4261	trace "perl_reload: getting rid of safe::, as good as possible";
3663	Symbol::delete_package "safe::$_"	4262	clear_package "safe::$_"
3664	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4263	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3665		4264
3666	warn "unloading cf.pm \"a bit\"";	4265	trace "perl_reload: unloading cf.pm \"a bit\"";
3667	delete $INC{"cf.pm"};	4266	delete $INC{"cf.pm"};
3668	delete $INC{"cf/pod.pm"};	4267	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3669		4268
3670	# don't, removes xs symbols, too,	4269	# don't, removes xs symbols, too,
3671	# and global variables created in xs	4270	# and global variables created in xs
3672	#Symbol::delete_package __PACKAGE__;	4271	#clear_package __PACKAGE__;
3673		4272
3674	warn "unload completed, starting to reload now";	4273	info "perl_reload: unload completed, starting to reload now";
3675		4274
3676	warn "reloading cf.pm";	4275	trace "perl_reload: reloading cf.pm";
3677	require cf;	4276	require cf;
3678	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4277	cf::_connect_to_perl_1;
3679		4278
3680	warn "loading config and database again";	4279	trace "perl_reload: loading config and database again";
3681	cf::reload_config;	4280	cf::reload_config;
3682		4281
3683	warn "loading extensions";	4282	trace "perl_reload: loading extensions";
3684	cf::load_extensions;	4283	cf::load_extensions;
3685		4284
		4285	if ($REATTACH_ON_RELOAD) {
3686	warn "reattaching attachments to objects/players";	4286	trace "perl_reload: reattaching attachments to objects/players";
3687	_global_reattach; # objects, sockets	4287	_global_reattach; # objects, sockets
3688	warn "reattaching attachments to maps";	4288	trace "perl_reload: reattaching attachments to maps";
3689	reattach $_ for values %MAP;	4289	reattach $_ for values %MAP;
3690	warn "reattaching attachments to players";	4290	trace "perl_reload: reattaching attachments to players";
3691	reattach $_ for values %PLAYER;	4291	reattach $_ for values %PLAYER;
		4292	}
3692		4293
3693	warn "leaving sync_job";	4294	cf::_post_init 1;
3694		4295
		4296	trace "perl_reload: leaving sync_job";
		4297
3695	1	4298	1
3696	} or do {	4299	} or do {
3697	warn $@;	4300	error $@;
3698	cf::cleanup "error while reloading, exiting.";	4301	cf::cleanup "perl_reload: error, exiting.";
		4302	};
		4303
		4304	--$RELOAD;
3699	};	4305	}
3700		4306
3701	warn "reloaded";	4307	$t1 = AE::time - $t1;
		4308	info "perl_reload: completed in ${t1}s\n";
3702	};	4309	};
3703		4310
3704	our $RELOAD_WATCHER; # used only during reload	4311	our $RELOAD_WATCHER; # used only during reload
3705		4312
3706	sub reload_perl() {	4313	sub reload_perl() {
3707	# doing reload synchronously and two reloads happen back-to-back,	4314	# doing reload synchronously and two reloads happen back-to-back,
3708	# coro crashes during coro_state_free->destroy here.	4315	# coro crashes during coro_state_free->destroy here.
3709		4316
		4317	$RELOAD_WATCHER ||= cf::async {
		4318	Coro::AIO::aio_wait cache_extensions;
		4319
3710	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4320	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3711	do_reload_perl;	4321	do_reload_perl;
3712	undef $RELOAD_WATCHER;	4322	undef $RELOAD_WATCHER;
		4323	};
3713	};	4324	};
3714	}	4325	}
3715		4326
3716	register_command "reload" => sub {	4327	register_command "reload" => sub {
3717	my ($who, $arg) = @_;	4328	my ($who, $arg) = @_;
…		…
3723	reload_perl;	4334	reload_perl;
3724	};	4335	};
3725	}	4336	}
3726	};	4337	};
3727		4338
3728	unshift @INC, $LIBDIR;	4339	#############################################################################
3729		4340
3730	my $bug_warning = 0;	4341	my $bug_warning = 0;
3731		4342
3732	our @WAIT_FOR_TICK;
3733	our @WAIT_FOR_TICK_BEGIN;
3734
3735	sub wait_for_tick {	4343	sub wait_for_tick() {
3736	return if tick_inhibit || $Coro::current == $Coro::main;	4344	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3737		4345
3738	my $signal = new Coro::Signal;	4346	$WAIT_FOR_TICK->wait;
3739	push @WAIT_FOR_TICK, $signal;
3740	$signal->wait;
3741	}	4347	}
3742		4348
3743	sub wait_for_tick_begin {	4349	sub wait_for_tick_begin() {
3744	return if tick_inhibit || $Coro::current == $Coro::main;	4350	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3745		4351
3746	my $signal = new Coro::Signal;	4352	my $signal = new Coro::Signal;
3747	push @WAIT_FOR_TICK_BEGIN, $signal;	4353	push @WAIT_FOR_TICK_BEGIN, $signal;
3748	$signal->wait;	4354	$signal->wait;
3749	}	4355	}
…		…
3753	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4359	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3754	unless ++$bug_warning > 10;	4360	unless ++$bug_warning > 10;
3755	return;	4361	return;
3756	}	4362	}
3757		4363
3758	cf::server_tick; # one server iteration	4364	cf::one_tick; # one server iteration
		4365
		4366	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3759		4367
3760	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4368	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3761	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4369	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3762	Coro::async_pool {	4370	Coro::async_pool {
3763	$Coro::current->{desc} = "runtime saver";	4371	$Coro::current->{desc} = "runtime saver";
3764	write_runtime_sync	4372	write_runtime_sync
3765	or warn "ERROR: unable to write runtime file: $!";	4373	or error "ERROR: unable to write runtime file: $!";
3766	};	4374	};
3767	}	4375	}
3768		4376
3769	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4377	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3770	$sig->send;	4378	$sig->send;
3771	}	4379	}
3772	while (my $sig = shift @WAIT_FOR_TICK) {	4380	$WAIT_FOR_TICK->broadcast;
3773	$sig->send;
3774	}
3775		4381
3776	$LOAD = ($NOW - $TICK_START) / $TICK;	4382	$LOAD = ($NOW - $TICK_START) / $TICK;
3777	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3778		4384
3779	if (0) {	4385	if (0) {
3780	if ($NEXT_TICK) {	4386	if ($NEXT_TICK) {
3781	my $jitter = $TICK_START - $NEXT_TICK;	4387	my $jitter = $TICK_START - $NEXT_TICK;
3782	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4388	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3783	warn "jitter $JITTER\n";#d#	4389	debug "jitter $JITTER\n";#d#
3784	}	4390	}
3785	}	4391	}
3786	}	4392	}
3787		4393
3788	{	4394	{
3789	# configure BDB	4395	# configure BDB
		4396	info "initialising database";
3790		4397
3791	BDB::min_parallel 8;	4398	BDB::min_parallel 16;
3792	BDB::max_poll_reqs $TICK * 0.1;	4399	BDB::max_poll_reqs $TICK * 0.1;
3793	$AnyEvent::BDB::WATCHER->priority (1);	4400	#$AnyEvent::BDB::WATCHER->priority (1);
3794		4401
3795	unless ($DB_ENV) {	4402	unless ($DB_ENV) {
3796	$DB_ENV = BDB::db_env_create;	4403	$DB_ENV = BDB::db_env_create;
3797	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4404	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3798	| BDB::LOG_AUTOREMOVE, 1);	4405	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4406	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3799	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4407	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3800	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4408	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3801		4409
3802	cf::sync_job {	4410	cf::sync_job {
3803	eval {	4411	eval {
…		…
3822	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4430	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3823	};	4431	};
3824	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4432	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3825	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4433	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3826	};	4434	};
		4435
		4436	info "database initialised";
3827	}	4437	}
3828		4438
3829	{	4439	{
3830	# configure IO::AIO	4440	# configure IO::AIO
3831		4441
		4442	info "initialising aio";
3832	IO::AIO::min_parallel 8;	4443	IO::AIO::min_parallel 8;
3833	IO::AIO::max_poll_time $TICK * 0.1;	4444	IO::AIO::max_poll_time $TICK * 0.1;
3834	$AnyEvent::AIO::WATCHER->priority (1);	4445	undef $AnyEvent::AIO::WATCHER;
		4446	info "aio initialised";
3835	}	4447	}
3836		4448
3837	my $_log_backtrace;	4449	our $_log_backtrace;
		4450	our $_log_backtrace_last;
3838		4451
3839	sub _log_backtrace {	4452	sub _log_backtrace {
3840	my ($msg, @addr) = @_;	4453	my ($msg, @addr) = @_;
3841		4454
3842	$msg =~ s/\n//;	4455	$msg =~ s/\n$//;
3843		4456
		4457	if ($_log_backtrace_last eq $msg) {
		4458	LOG llevInfo, "[ABT] $msg\n";
		4459	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3844	# limit the # of concurrent backtraces	4460	# limit the # of concurrent backtraces
3845	if ($_log_backtrace < 2) {	4461	} elsif ($_log_backtrace < 2) {
		4462	$_log_backtrace_last = $msg;
3846	++$_log_backtrace;	4463	++$_log_backtrace;
		4464	my $perl_bt = Carp::longmess $msg;
3847	async {	4465	async {
3848	$Coro::current->{desc} = "abt $msg";	4466	$Coro::current->{desc} = "abt $msg";
3849		4467
3850	my @bt = fork_call {	4468	my @bt = fork_call {
3851	@addr = map { sprintf "%x", $_ } @addr;	4469	@addr = map { sprintf "%x", $_ } @addr;
…		…
3862	}	4480	}
3863		4481
3864	@funcs	4482	@funcs
3865	};	4483	};
3866		4484
3867	LOG llevInfo, "[ABT] $msg\n";	4485	LOG llevInfo, "[ABT] $perl_bt\n";
		4486	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3868	LOG llevInfo, "[ABT] $_\n" for @bt;	4487	LOG llevInfo, "[ABT] $_\n" for @bt;
3869	--$_log_backtrace;	4488	--$_log_backtrace;
3870	};	4489	};
3871	} else {	4490	} else {
3872	LOG llevInfo, "[ABT] $msg\n";	4491	LOG llevInfo, "[ABT] $msg\n";
3873	LOG llevInfo, "[ABT] [suppressed]\n";	4492	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3874	}	4493	}
3875	}	4494	}
3876		4495
3877	# load additional modules	4496	# load additional modules
3878	use cf::pod;	4497	require "cf/$_.pm" for @EXTRA_MODULES;
		4498	cf::_connect_to_perl_2;
3879		4499
3880	END { cf::emergency_save }	4500	END { cf::emergency_save }
3881		4501
3882	1	4502	1
3883		4503

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