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Revision 1.433 by root, Sat May 10 22:38:52 2008 UTC vs.
Revision 1.613 by root, Mon Nov 26 13:12:16 2012 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
18	#	18	# <http://www.gnu.org/licenses/>.
		19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use 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) {
…		…
496	} else {	691	} else {
497	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_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",
…		…
2531		2757
2532	=item $player_object->enter_link	2758	=item $player_object->enter_link
2533		2759
2534	Freezes the player and moves him/her to a special map (C<{link}>).	2760	Freezes the player and moves him/her to a special map (C<{link}>).
2535		2761
2536	The player should be reasonably safe there for short amounts of time. You	2762	The player should be reasonably safe there for short amounts of time (e.g.
2537	I<MUST> call C<leave_link> as soon as possible, though.	2763	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2764	though, as the player cannot control the character while it is on the link
		2765	map.
2538		2766
2539	Will never block.	2767	Will never block.
2540		2768
2541	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2542		2770
…		…
2562	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2563	my ($self) = @_;	2791	my ($self) = @_;
2564		2792
2565	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2566		2794
		2795	++$self->{_link_recursion};
		2796
2567	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2568		2798
2569	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2570	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2571		2801
2572	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2573	}	2803	}
2574		2804
2575	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2576	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2577		2807
…		…
2594	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2595	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2596		2826
2597	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2598	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2599	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2600		2830
2601	$map->load;	2831	$map->load;
2602	$map->load_neighbours;
2603		2832
2604	return unless $self->contr->active;	2833	return unless $self->contr->active;
2605	$self->activate_recursive;
2606		2834
2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2608	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2609	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2610		2842
		2843	}
		2844
2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2612		2846
2613	Moves the player to the given map-path and coordinates by first freezing	2847	Moves the player to the given map-path and coordinates by first freezing
2614	her, loading and preparing them map, calling the provided $check callback	2848	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	2849	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	2850	the new (success) or old (failed) map position. In either case, $done will
2617	be called at the end of this process.	2851	be called at the end of this process.
2618		2852
		2853	Note that $check will be called with a potentially non-loaded map, so if
		2854	it needs a loaded map it has to call C<< ->load >>.
		2855
2619	=cut	2856	=cut
2620		2857
2621	our $GOTOGEN;	2858	our $GOTOGEN;
2622		2859
2623	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2624	my ($self, $path, $x, $y, $check, $done) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
2625		2868
2626	# do generation counting so two concurrent goto's will be executed in-order	2869	# do generation counting so two concurrent goto's will be executed in-order
2627	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2628		2871
2629	$self->enter_link;	2872	$self->enter_link;
…		…
2649	($path, $x, $y) = (undef, undef, undef);	2892	($path, $x, $y) = (undef, undef, undef);
2650	}	2893	}
2651	}	2894	}
2652		2895
2653	my $map = eval {	2896	my $map = eval {
2654	my $map = defined $path ? cf::map::find $path : undef;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2655		2898
2656	if ($map) {	2899	if ($map) {
2657	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2658	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2659	} else {	2902	} else {
2660	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2661	}	2904	}
2662		2905
2663	$map	2906	$map
…		…
2671	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2672	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2673	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2674	}	2917	}
2675		2918
2676	$done->() if $done;	2919	$done->($self) if $done;
2677	})->prio (1);	2920	})->prio (1);
2678	}	2921	}
2679		2922
2680	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2681		2924
…		…
2749	$Coro::current->{desc} = "enter_exit";	2992	$Coro::current->{desc} = "enter_exit";
2750		2993
2751	unless (eval {	2994	unless (eval {
2752	$self->deactivate_recursive; # just to be sure	2995	$self->deactivate_recursive; # just to be sure
2753		2996
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;	2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
2763	my $x = $exit->stats->hp;	2998	my $x = $exit->stats->hp;
2764	my $y = $exit->stats->sp;	2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
2765		3023
2766	$self->goto ($map, $x, $y);	3024	$self->goto ($map, $x, $y);
2767		3025
2768	# if exit is damned, update players death & WoR home-position	3026	# if exit is damned, update players death & WoR home-position
2769	$self->contr->savebed ($map, $x, $y)	3027	$self->contr->savebed ($map, $x, $y)
2770	if $exit->flag (cf::FLAG_DAMNED);	3028	if $exit->flag (cf::FLAG_DAMNED);
2771		3029
2772	1	3030	1
2773	}) {	3031	}) {
2774	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2775	. "I'll try to bring you back to the map you were before. "	3033	. "I'll try to bring you back to the map you were before. "
2776	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2777	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2778		3036
2779	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2780	$self->leave_link;	3038	$self->leave_link;
2781	}	3039	}
2782	})->prio (1);	3040	})->prio (1);
2783	}	3041	}
2784		3042
2785	=head3 cf::client	3043	=head3 cf::client
2786		3044
2787	=over 4	3045	=over 4
2788		3046
2789	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2790		3048
2791	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2792	should not be used under normal circumstances.	3050	them as required.
2793		3051
2794	=cut	3052	=cut
2795		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
2796	sub cf::client::send_drawinfo {	3056	sub cf::client::send_big_packet {
2797	my ($self, $text, $flags) = @_;	3057	my ($self, $pkt) = @_;
2798		3058
2799	utf8::encode $text;	3059	# try lzf for large packets
2800	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3060	$pkt = "lzf " . Compress::LZF::compress $pkt
		3061	if 1024 <= length $pkt and $self->{can_lzf};
		3062
		3063	# split very large packets
		3064	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3065	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3066	$pkt = "frag";
		3067	}
		3068
		3069	$self->send_packet ($pkt);
2801	}	3070	}
2802		3071
2803	=item $client->send_msg ($channel, $msg, $color, [extra...])	3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
2804		3073
2805	Send a drawinfo or msg packet to the client, formatting the msg for the	3074	Send a msg packet to the client, formatting the msg for the client if
2806	client if neccessary. C<$type> should be a string identifying the type of	3075	necessary. C<$type> should be a string identifying the type of the
2807	the message, with C<log> being the default. If C<$color> is negative, suppress	3076	message, with C<log> being the default. If C<$color> is negative, suppress
2808	the message unless the client supports the msg packet.	3077	the message unless the client supports the msg packet.
2809		3078
2810	=cut	3079	=cut
2811		3080
2812	# non-persistent channels (usually the info channel)	3081	# non-persistent channels (usually the info channel)
2813	our %CHANNEL = (	3082	our %CHANNEL = (
		3083	"c/motd" => {
		3084	id => "infobox",
		3085	title => "MOTD",
		3086	reply => undef,
		3087	tooltip => "The message of the day",
		3088	},
2814	"c/identify" => {	3089	"c/identify" => {
2815	id => "infobox",	3090	id => "infobox",
2816	title => "Identify",	3091	title => "Identify",
2817	reply => undef,	3092	reply => undef,
2818	tooltip => "Items recently identified",	3093	tooltip => "Items recently identified",
…		…
2820	"c/examine" => {	3095	"c/examine" => {
2821	id => "infobox",	3096	id => "infobox",
2822	title => "Examine",	3097	title => "Examine",
2823	reply => undef,	3098	reply => undef,
2824	tooltip => "Signs and other items you examined",	3099	tooltip => "Signs and other items you examined",
		3100	},
		3101	"c/shopinfo" => {
		3102	id => "infobox",
		3103	title => "Shop Info",
		3104	reply => undef,
		3105	tooltip => "What your bargaining skill tells you about the shop",
2825	},	3106	},
2826	"c/book" => {	3107	"c/book" => {
2827	id => "infobox",	3108	id => "infobox",
2828	title => "Book",	3109	title => "Book",
2829	reply => undef,	3110	reply => undef,
…		…
2845	id => "infobox",	3126	id => "infobox",
2846	title => "Body Parts",	3127	title => "Body Parts",
2847	reply => undef,	3128	reply => undef,
2848	tooltip => "Shows which body parts you posess and are available",	3129	tooltip => "Shows which body parts you posess and are available",
2849	},	3130	},
		3131	"c/statistics" => {
		3132	id => "infobox",
		3133	title => "Statistics",
		3134	reply => undef,
		3135	tooltip => "Shows your primary statistics",
		3136	},
		3137	"c/skills" => {
		3138	id => "infobox",
		3139	title => "Skills",
		3140	reply => undef,
		3141	tooltip => "Shows your experience per skill and item power",
		3142	},
		3143	"c/shopitems" => {
		3144	id => "infobox",
		3145	title => "Shop Items",
		3146	reply => undef,
		3147	tooltip => "Shows the items currently for sale in this shop",
		3148	},
		3149	"c/resistances" => {
		3150	id => "infobox",
		3151	title => "Resistances",
		3152	reply => undef,
		3153	tooltip => "Shows your resistances",
		3154	},
		3155	"c/pets" => {
		3156	id => "infobox",
		3157	title => "Pets",
		3158	reply => undef,
		3159	tooltip => "Shows information abotu your pets/a specific pet",
		3160	},
		3161	"c/perceiveself" => {
		3162	id => "infobox",
		3163	title => "Perceive Self",
		3164	reply => undef,
		3165	tooltip => "You gained detailed knowledge about yourself",
		3166	},
2850	"c/uptime" => {	3167	"c/uptime" => {
2851	id => "infobox",	3168	id => "infobox",
2852	title => "Uptime",	3169	title => "Uptime",
2853	reply => undef,	3170	reply => undef,
2854	tooltip => "How long the server has been running since last restart",	3171	tooltip => "How long the server has been running since last restart",
…		…
2863	id => "party",	3180	id => "party",
2864	title => "Party",	3181	title => "Party",
2865	reply => "gsay ",	3182	reply => "gsay ",
2866	tooltip => "Messages and chat related to your party",	3183	tooltip => "Messages and chat related to your party",
2867	},	3184	},
		3185	"c/death" => {
		3186	id => "death",
		3187	title => "Death",
		3188	reply => undef,
		3189	tooltip => "Reason for and more info about your most recent death",
		3190	},
		3191	"c/fatal" => {
		3192	id => "fatal",
		3193	title => "Fatal Error",
		3194	reply => undef,
		3195	tooltip => "Reason for the server disconnect",
		3196	},
		3197	"c/say" => $SAY_CHANNEL,
		3198	"c/chat" => $CHAT_CHANNEL,
2868	);	3199	);
2869		3200
2870	sub cf::client::send_msg {	3201	sub cf::client::send_msg {
2871	my ($self, $channel, $msg, $color, @extra) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2872		3203
2873	$msg = $self->pl->expand_cfpod ($msg);	3204	$msg = $self->pl->expand_cfpod ($msg)
		3205	unless $color & cf::NDI_VERBATIM;
2874		3206
2875	$color &= cf::NDI_CLIENT_MASK; # just in case...	3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
2876		3208
2877	# check predefined channels, for the benefit of C	3209	# check predefined channels, for the benefit of C
2878	if ($CHANNEL{$channel}) {	3210	if ($CHANNEL{$channel}) {
2879	$channel = $CHANNEL{$channel};	3211	$channel = $CHANNEL{$channel};
2880		3212
2881	$self->ext_msg (channel_info => $channel)	3213	$self->ext_msg (channel_info => $channel);
2882	if $self->can_msg;
2883
2884	$channel = $channel->{id};	3214	$channel = $channel->{id};
2885		3215
2886	} elsif (ref $channel) {	3216	} elsif (ref $channel) {
2887	# send meta info to client, if not yet sent	3217	# send meta info to client, if not yet sent
2888	unless (exists $self->{channel}{$channel->{id}}) {	3218	unless (exists $self->{channel}{$channel->{id}}) {
2889	$self->{channel}{$channel->{id}} = $channel;	3219	$self->{channel}{$channel->{id}} = $channel;
2890	$self->ext_msg (channel_info => $channel)	3220	$self->ext_msg (channel_info => $channel);
2891	if $self->can_msg;
2892	}	3221	}
2893		3222
2894	$channel = $channel->{id};	3223	$channel = $channel->{id};
2895	}	3224	}
2896		3225
2897	return unless @extra || length $msg;	3226	return unless @extra || length $msg;
2898		3227
2899	if ($self->can_msg) {
2900	# default colour, mask it out	3228	# default colour, mask it out
2901	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2902	if $color & cf::NDI_DEF;	3230	if $color & cf::NDI_DEF;
2903		3231
2904	$self->send_packet ("msg " . $self->{json_coder}->encode (	3232	my $pkt = "msg "
		3233	. $self->{json_coder}->encode (
2905	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2906	} else {	3235	);
2907	if ($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		3236
2918	$color &= cf::NDI_COLOR_MASK;	3237	$self->send_big_packet ($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	}	3238	}
2932		3239
2933	=item $client->ext_msg ($type, @msg)	3240	=item $client->ext_msg ($type, @msg)
2934		3241
2935	Sends an ext event to the client.	3242	Sends an ext event to the client.
…		…
2937	=cut	3244	=cut
2938		3245
2939	sub cf::client::ext_msg($$@) {	3246	sub cf::client::ext_msg($$@) {
2940	my ($self, $type, @msg) = @_;	3247	my ($self, $type, @msg) = @_;
2941		3248
2942	if ($self->extcmd == 2) {
2943	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3249	$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	}	3250	}
2967		3251
2968	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2969		3253
2970	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
…		…
2990		3274
2991	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2992	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
2993		3277
2994	1	3278	1
		3279	}
		3280
		3281	=item $client->update_command_faces
		3282
		3283	=cut
		3284
		3285	our %COMMAND_FACE;
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = grep $_,
		3291	$COMMAND_FACE{preferred},
		3292	$COMMAND_FACE{standard},
		3293	$COMMAND_FACE{skill},
		3294	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3295	$COMMAND_FACE{emote},
		3296	;
		3297
		3298	$self->send_face ($_)
		3299	for @faces;
		3300	$self->flush_fx;
		3301
		3302	$self->ext_msg (command_list => @faces);
		3303	}
		3304
		3305	=item cf::client::set_command_face $type, $commands
		3306
		3307	=cut
		3308
		3309	sub cf::client::set_command_face {
		3310	my ($type, $list) = @_;
		3311
		3312	my $idx = &cf::face::set ( #d# ugly forward reference
		3313	"command_list/$type" => cf::FT_RSRC,
		3314	JSON::XS->new->utf8->encode ([ sort @$list ])
		3315	);
		3316
		3317	$COMMAND_FACE{$type} = $idx;
2995	}	3318	}
2996		3319
2997	cf::client->attach (	3320	cf::client->attach (
2998	on_connect => sub {	3321	on_connect => sub {
2999	my ($ns) = @_;	3322	my ($ns) = @_;
…		…
3025	my ($ns, $buf) = @_;	3348	my ($ns, $buf) = @_;
3026		3349
3027	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3350	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3028		3351
3029	if (ref $msg) {	3352	if (ref $msg) {
3030	my ($type, $reply, @payload) =	3353	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		3354
3035	my @reply;
3036
3037	if (my $cb = $EXTICMD{$type}) {	3355	if (my $cb = $EXTIACMD{$type}) {
		3356	$cb->(
		3357	$ns,
		3358	sub {
		3359	$ns->ext_msg ("reply-$reply", @_)
		3360	if $reply;
		3361	},
		3362	@payload
		3363	);
		3364	} else {
		3365	my @reply;
		3366
		3367	if (my $cb = $EXTICMD{$type}) {
3038	@reply = $cb->($ns, @payload);	3368	@reply = $cb->($ns, @payload);
		3369	}
		3370
		3371	$ns->ext_msg ("reply-$reply", @reply)
		3372	if $reply;
3039	}	3373	}
3040
3041	$ns->ext_reply ($reply, @reply)
3042	if $reply;
3043
3044	} else {	3374	} else {
3045	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3375	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3046	}	3376	}
3047		3377
3048	cf::override;	3378	cf::override;
3049	},	3379	},
3050	);	3380	);
…		…
3070		3400
3071	$coro	3401	$coro
3072	}	3402	}
3073		3403
3074	cf::client->attach (	3404	cf::client->attach (
3075	on_destroy => sub {	3405	on_client_destroy => sub {
3076	my ($ns) = @_;	3406	my ($ns) = @_;
3077		3407
3078	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3079	},	3409	},
3080	);	3410	);
…		…
3096	our $safe_hole = new Safe::Hole;	3426	our $safe_hole = new Safe::Hole;
3097		3427
3098	$SIG{FPE} = 'IGNORE';	3428	$SIG{FPE} = 'IGNORE';
3099		3429
3100	$safe->permit_only (Opcode::opset qw(	3430	$safe->permit_only (Opcode::opset qw(
3101	:base_core :base_mem :base_orig :base_math	3431	:base_core :base_mem :base_orig :base_math :base_loop
3102	grepstart grepwhile mapstart mapwhile	3432	grepstart grepwhile mapstart mapwhile
3103	sort time	3433	sort time
3104	));	3434	));
3105		3435
3106	# here we export the classes and methods available to script code	3436	# here we export the classes and methods available to script code
…		…
3110	The following functions and methods are available within a safe environment:	3440	The following functions and methods are available within a safe environment:
3111		3441
3112	cf::object	3442	cf::object
3113	contr pay_amount pay_player map x y force_find force_add destroy	3443	contr pay_amount pay_player map x y force_find force_add destroy
3114	insert remove name archname title slaying race decrease split	3444	insert remove name archname title slaying race decrease split
		3445	value
3115		3446
3116	cf::object::player	3447	cf::object::player
3117	player	3448	player
3118		3449
3119	cf::player	3450	cf::player
…		…
3125	=cut	3456	=cut
3126		3457
3127	for (	3458	for (
3128	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3459	["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	3460	insert remove inv nrof name archname title slaying race
3130	decrease split destroy)],	3461	decrease split destroy change_exp value msg lore send_msg)],
3131	["cf::object::player" => qw(player)],	3462	["cf::object::player" => qw(player)],
3132	["cf::player" => qw(peaceful)],	3463	["cf::player" => qw(peaceful send_msg)],
3133	["cf::map" => qw(trigger)],	3464	["cf::map" => qw(trigger)],
3134	) {	3465	) {
3135	no strict 'refs';
3136	my ($pkg, @funs) = @$_;	3466	my ($pkg, @funs) = @$_;
3137	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3467	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3138	for @funs;	3468	for @funs;
3139	}	3469	}
3140		3470
…		…
3155		3485
3156	my $qcode = $code;	3486	my $qcode = $code;
3157	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3487	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3158	$qcode =~ s/\n/\\n/g;	3488	$qcode =~ s/\n/\\n/g;
3159		3489
		3490	%vars = (_dummy => 0) unless %vars;
		3491
		3492	my @res;
3160	local $_;	3493	local $_;
3161	local @safe::cf::_safe_eval_args = values %vars;
3162		3494
3163	my $eval =	3495	my $eval =
3164	"do {\n"	3496	"do {\n"
3165	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3497	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3166	. "#line 0 \"{$qcode}\"\n"	3498	. "#line 0 \"{$qcode}\"\n"
3167	. $code	3499	. $code
3168	. "\n}"	3500	. "\n}"
3169	;	3501	;
3170		3502
		3503	if ($CFG{safe_eval}) {
3171	sub_generation_inc;	3504	sub_generation_inc;
		3505	local @safe::cf::_safe_eval_args = values %vars;
3172	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3506	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3173	sub_generation_inc;	3507	sub_generation_inc;
		3508	} else {
		3509	local @cf::_safe_eval_args = values %vars;
		3510	@res = wantarray ? eval eval : scalar eval $eval;
		3511	}
3174		3512
3175	if ($@) {	3513	if ($@) {
3176	warn "$@";	3514	warn "$@",
3177	warn "while executing safe code '$code'\n";	3515	"while executing safe code '$code'\n",
3178	warn "with arguments " . (join " ", %vars) . "\n";	3516	"with arguments " . (join " ", %vars) . "\n";
3179	}	3517	}
3180		3518
3181	wantarray ? @res : $res[0]	3519	wantarray ? @res : $res[0]
3182	}	3520	}
3183		3521
…		…
3197	=cut	3535	=cut
3198		3536
3199	sub register_script_function {	3537	sub register_script_function {
3200	my ($fun, $cb) = @_;	3538	my ($fun, $cb) = @_;
3201		3539
3202	no strict 'refs';	3540	$fun = "safe::$fun" if $CFG{safe_eval};
3203	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3541	*$fun = $safe_hole->wrap ($cb);
3204	}	3542	}
3205		3543
3206	=back	3544	=back
3207		3545
3208	=cut	3546	=cut
3209		3547
3210	#############################################################################	3548	#############################################################################
3211	# the server's init and main functions	3549	# the server's init and main functions
3212		3550
		3551	{
		3552	package cf::face;
		3553
		3554	our %HASH; # hash => idx
		3555	our @DATA; # dynamically-created facedata, only faceste 0 used
		3556	our @FOFS; # file offset, if > 0
		3557	our @SIZE; # size of face, in octets
		3558	our @META; # meta hash of face, if any
		3559	our $DATAFH; # facedata filehandle
		3560
		3561	# internal api, not finalised
		3562	sub set {
		3563	my ($name, $type, $data) = @_;
		3564
		3565	my $idx = cf::face::find $name;
		3566
		3567	if ($idx) {
		3568	delete $HASH{cf::face::get_csum $idx};
		3569	} else {
		3570	$idx = cf::face::alloc $name;
		3571	}
		3572
		3573	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3574
		3575	cf::face::set_type $idx, $type;
		3576	cf::face::set_csum $idx, 0, $hash;
		3577
		3578	# we need to destroy the SV itself, not just modify it, as a running ix
		3579	# might hold a reference to it: "delete" achieves that.
		3580	delete $FOFS[0][$idx];
		3581	delete $DATA[0][$idx];
		3582	$DATA[0][$idx] = $data;
		3583	$SIZE[0][$idx] = length $data;
		3584	delete $META[$idx];
		3585	$HASH{$hash} = $idx;#d#
		3586
		3587	$idx
		3588	}
		3589
		3590	sub _get_data($$$) {
		3591	my ($idx, $set, $cb) = @_;
		3592
		3593	if (defined $DATA[$set][$idx]) {
		3594	$cb->($DATA[$set][$idx]);
		3595	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3596	my $size = $SIZE[$set][$idx];
		3597	my $buf;
		3598	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3599	if ($_[0] == $size) {
		3600	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3601	$cb->($buf);
		3602	} else {
		3603	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3604	}
		3605	};
		3606	} else {
		3607	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3608	}
		3609	}
		3610
		3611	# rather ineffient
		3612	sub cf::face::get_data($;$) {
		3613	my ($idx, $set) = @_;
		3614
		3615	_get_data $idx, $set, Coro::rouse_cb;
		3616	Coro::rouse_wait
		3617	}
		3618
		3619	sub cf::face::ix {
		3620	my ($ns, $set, $idx, $pri) = @_;
		3621
		3622	_get_data $idx, $set, sub {
		3623	$ns->ix_send ($idx, $pri, $_[0]);
		3624	};
		3625	}
		3626	}
		3627
3213	sub load_facedata($) {	3628	sub load_facedata($) {
3214	my ($path) = @_;	3629	my ($path) = @_;
3215		3630
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;	3631	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3221		3632
3222	warn "loading facedata from $path\n";	3633	trace "loading facedata from $path\n";
3223		3634
3224	my $facedata;	3635	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		3636
3230	$facedata->{version} == 2	3637	$facedata->{version} == 2
3231	or cf::cleanup "$path: version mismatch, cannot proceed.";	3638	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3232		3639
3233	# patch in the exptable	3640	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3234	$facedata->{resource}{"res/exp_table"} = {	3641	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3235	type => FT_RSRC,	3642
3236	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3643	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3237	};	3644
3238	cf::cede_to_tick;	3645	# BEGIN ATOMIC
		3646	# from here on, everything must be atomic - no thread switch allowed
		3647	my $t1 = EV::time;
3239		3648
3240	{	3649	{
3241	my $faces = $facedata->{faceinfo};	3650	my $faces = $facedata->{faceinfo};
3242		3651
3243	while (my ($face, $info) = each %$faces) {	3652	for my $face (sort keys %$faces) {
		3653	my $info = $faces->{$face};
3244	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3654	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3245		3655
3246	cf::face::set_visibility $idx, $info->{visibility};	3656	cf::face::set_visibility $idx, $info->{visibility};
3247	cf::face::set_magicmap $idx, $info->{magicmap};	3657	cf::face::set_magicmap $idx, $info->{magicmap};
3248	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3658	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};	3659	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3250		3660	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3251	cf::cede_to_tick;	3661	$cf::face::HASH{$info->{hash64}} = $idx;
		3662	delete $cf::face::META[$idx];
3252	}	3663	}
3253		3664
3254	while (my ($face, $info) = each %$faces) {	3665	while (my ($face, $info) = each %$faces) {
3255	next unless $info->{smooth};	3666	next unless $info->{smooth};
3256		3667
…		…
3259		3670
3260	if (my $smooth = cf::face::find $info->{smooth}) {	3671	if (my $smooth = cf::face::find $info->{smooth}) {
3261	cf::face::set_smooth $idx, $smooth;	3672	cf::face::set_smooth $idx, $smooth;
3262	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3673	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3263	} else {	3674	} else {
3264	warn "smooth face '$info->{smooth}' not found for face '$face'";	3675	error "smooth face '$info->{smooth}' not found for face '$face'";
3265	}	3676	}
3266
3267	cf::cede_to_tick;
3268	}	3677	}
3269	}	3678	}
3270		3679
3271	{	3680	{
3272	my $anims = $facedata->{animinfo};	3681	my $anims = $facedata->{animinfo};
3273		3682
3274	while (my ($anim, $info) = each %$anims) {	3683	while (my ($anim, $info) = each %$anims) {
3275	cf::anim::set $anim, $info->{frames}, $info->{facings};	3684	cf::anim::set $anim, $info->{frames}, $info->{facings};
3276	cf::cede_to_tick;
3277	}	3685	}
3278		3686
3279	cf::anim::invalidate_all; # d'oh	3687	cf::anim::invalidate_all; # d'oh
3280	}	3688	}
3281		3689
3282	{	3690	{
3283	# TODO: for gcfclient pleasure, we should give resources
3284	# that gcfclient doesn't grok a >10000 face index.
3285	my $res = $facedata->{resource};	3691	my $res = $facedata->{resource};
3286		3692
3287	while (my ($name, $info) = each %$res) {	3693	while (my ($name, $info) = each %$res) {
3288	if (defined $info->{type}) {	3694	if (defined (my $type = $info->{type})) {
		3695	# 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;	3696	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3290	my $data;
3291		3697
3292	if ($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};	3698	cf::face::set_type $idx, $type;
		3699	cf::face::set_csum $idx, 0, $info->{hash};
		3700	$cf::face::SIZE[0][$idx] = $info->{size};
		3701	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3702	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3703	$cf::face::HASH{$info->{hash}} = $idx;
3307	} else {	3704	} else {
3308	$RESOURCE{$name} = $info;	3705	# $RESOURCE{$name} = $info; # unused
3309	}	3706	}
3310
3311	cf::cede_to_tick;
3312	}	3707	}
3313	}	3708	}
		3709
		3710	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3711
		3712	# HACK to clear player env face cache, we need some signal framework
		3713	# for this (global event?)
		3714	%ext::player_env::MUSIC_FACE_CACHE = ();
		3715
		3716	# END ATOMIC
		3717
		3718	cf::debug "facedata atomic update time ", EV::time - $t1;
3314		3719
3315	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3720	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3316		3721
		3722	aio_close $fh if $fh; # close old facedata
		3723
3317	1	3724	1
3318	}	3725	}
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 => $face;
3336	}
3337	}
3338	});
3339		3726
3340	register_exticmd fx_want => sub {	3727	register_exticmd fx_want => sub {
3341	my ($ns, $want) = @_;	3728	my ($ns, $want) = @_;
3342		3729
3343	while (my ($k, $v) = each %$want) {	3730	while (my ($k, $v) = each %$want) {
…		…
3351	my $status = load_resource_file_ $_[0];	3738	my $status = load_resource_file_ $_[0];
3352	get_slot 0.1, 100;	3739	get_slot 0.1, 100;
3353	cf::arch::commit_load;	3740	cf::arch::commit_load;
3354		3741
3355	$status	3742	$status
		3743	}
		3744
		3745	sub reload_exp_table {
		3746	_reload_exp_table;
		3747
		3748	cf::face::set
		3749	"res/exp_table" => FT_RSRC,
		3750	JSON::XS->new->utf8->canonical->encode (
		3751	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3752	);
		3753	}
		3754
		3755	sub reload_materials {
		3756	_reload_materials;
3356	}	3757	}
3357		3758
3358	sub reload_regions {	3759	sub reload_regions {
3359	# HACK to clear player env face cache, we need some signal framework	3760	# HACK to clear player env face cache, we need some signal framework
3360	# for this (global event?)	3761	# for this (global event?)
…		…
3368	if exists $_->{match};	3769	if exists $_->{match};
3369	}	3770	}
3370	}	3771	}
3371		3772
3372	sub reload_facedata {	3773	sub reload_facedata {
3373	load_facedata "$DATADIR/facedata"	3774	load_facedata $DATADIR
3374	or die "unable to load facedata\n";	3775	or die "unable to load facedata\n";
3375	}	3776	}
3376		3777
3377	sub reload_archetypes {	3778	sub reload_archetypes {
3378	load_resource_file "$DATADIR/archetypes"	3779	load_resource_file "$DATADIR/archetypes"
3379	or die "unable to load archetypes\n";	3780	or die "unable to load archetypes\n";
		3781
		3782	cf::face::set
		3783	"res/skill_info" => FT_RSRC,
		3784	JSON::XS->new->utf8->canonical->encode (
		3785	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3786	);
		3787
		3788	cf::face::set
		3789	"res/spell_paths" => FT_RSRC,
		3790	JSON::XS->new->utf8->canonical->encode (
		3791	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3792	);
		3793
		3794	# command completion
		3795	my @commands;
		3796
		3797	for (0..cf::arch::skillvec_size - 1) {
		3798	my $skill = cf::arch::skillvec $_;
		3799	my $name = $skill->name;
		3800	my $flags = cf::skill_flags $skill->subtype;
		3801
		3802	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3803	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3804	}
		3805
		3806	cf::client::set_command_face skill => \@commands;
3380	}	3807	}
3381		3808
3382	sub reload_treasures {	3809	sub reload_treasures {
3383	load_resource_file "$DATADIR/treasures"	3810	load_resource_file "$DATADIR/treasures"
3384	or die "unable to load treasurelists\n";	3811	or die "unable to load treasurelists\n";
3385	}	3812	}
3386		3813
		3814	sub reload_sound {
		3815	trace "loading sound config from $DATADIR/sound\n";
		3816
		3817	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3818
		3819	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3820	my $sound = $soundconf->{compat}[$_]
		3821	or next;
		3822
		3823	my $face = cf::face::find "sound/$sound->[1]";
		3824	cf::sound::set $sound->[0] => $face;
		3825	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3826	}
		3827
		3828	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3829	my $face = cf::face::find "sound/$v";
		3830	cf::sound::set $k => $face;
		3831	}
		3832	}
		3833
3387	sub reload_resources {	3834	sub reload_resources {
3388	warn "reloading resource files...\n";	3835	trace "reloading resource files...\n";
3389		3836
		3837	reload_materials;
3390	reload_facedata;	3838	reload_facedata;
		3839	reload_exp_table;
		3840	reload_sound;
3391	reload_archetypes;	3841	reload_archetypes;
3392	reload_regions;	3842	reload_regions;
3393	reload_treasures;	3843	reload_treasures;
3394		3844
3395	warn "finished reloading resource files\n";	3845	trace "finished reloading resource files\n";
3396	}
3397
3398	sub init {
3399	my $guard = freeze_mainloop;
3400
3401	reload_resources;
3402	}	3846	}
3403		3847
3404	sub reload_config {	3848	sub reload_config {
3405	open my $fh, "<:utf8", "$CONFDIR/config"	3849	trace "reloading config file...\n";
3406	or return;
3407		3850
3408	local $/;	3851	my $config = load_file "$CONFDIR/config";
3409	*CFG = YAML::Load <$fh>;	3852	utf8::decode $config;
		3853	*CFG = decode_yaml $config;
3410		3854
3411	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3855	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3412		3856
3413	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3857	$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};	3858	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3415		3859
3416	if (exists $CFG{mlockall}) {	3860	if (exists $CFG{mlockall}) {
…		…
3420	};	3864	};
3421	warn $@ if $@;	3865	warn $@ if $@;
3422	}	3866	}
3423	}	3867	}
3424		3868
		3869	sub pidfile() {
		3870	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3871	or die "$PIDFILE: $!";
		3872	flock $fh, &Fcntl::LOCK_EX
		3873	or die "$PIDFILE: flock: $!";
		3874	$fh
		3875	}
		3876
		3877	# make sure only one server instance is running at any one time
		3878	sub atomic {
		3879	my $fh = pidfile;
		3880
		3881	my $pid = <$fh>;
		3882	kill 9, $pid if $pid > 0;
		3883
		3884	seek $fh, 0, 0;
		3885	print $fh $$;
		3886	}
		3887
		3888	sub main_loop {
		3889	trace "EV::loop starting\n";
		3890	if (1) {
		3891	EV::loop;
		3892	}
		3893	trace "EV::loop returned\n";
		3894	goto &main_loop unless $REALLY_UNLOOP;
		3895	}
		3896
3425	sub main {	3897	sub main {
		3898	cf::init_globals; # initialise logging
		3899
		3900	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3901	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3902	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3903	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3904
		3905	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3906
3426	# we must not ever block the main coroutine	3907	# we must not ever block the main coroutine
3427	local $Coro::idle = sub {	3908	$Coro::idle = sub {
3428	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3909	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3429	(async {	3910	(async {
3430	$Coro::current->{desc} = "IDLE BUG HANDLER";	3911	$Coro::current->{desc} = "IDLE BUG HANDLER";
3431	EV::loop EV::LOOP_ONESHOT;	3912	EV::loop EV::LOOP_ONESHOT;
3432	})->prio (Coro::PRIO_MAX);	3913	})->prio (Coro::PRIO_MAX);
3433	};	3914	};
3434		3915
3435	{	3916	evthread_start IO::AIO::poll_fileno;
3436	my $guard = freeze_mainloop;	3917
		3918	cf::sync_job {
		3919	cf::incloader::init ();
		3920
		3921	db_init;
		3922
		3923	cf::init_anim;
		3924	cf::init_attackmess;
		3925	cf::init_dynamic;
		3926
		3927	cf::load_settings;
		3928
		3929	reload_resources;
3437	reload_config;	3930	reload_config;
3438	db_init;	3931
		3932	cf::init_uuid;
		3933	cf::init_signals;
		3934	cf::init_skills;
		3935
		3936	cf::init_beforeplay;
		3937
		3938	atomic;
		3939
3439	load_extensions;	3940	load_extensions;
3440		3941
3441	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3942	utime time, time, $RUNTIMEFILE;
3442	evthread_start IO::AIO::poll_fileno;	3943
		3944	# no (long-running) fork's whatsoever before this point(!)
		3945	use POSIX ();
		3946	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3947
		3948	cf::_post_init 0;
3443	}	3949	};
3444		3950
3445	EV::loop;	3951	cf::object::thawer::errors_are_fatal 0;
		3952	info "parse errors in files are no longer fatal from this point on.\n";
		3953
		3954	AE::postpone {
		3955	undef &main; # free gobs of memory :)
		3956	};
		3957
		3958	goto &main_loop;
3446	}	3959	}
3447		3960
3448	#############################################################################	3961	#############################################################################
3449	# initialisation and cleanup	3962	# initialisation and cleanup
3450		3963
3451	# install some emergency cleanup handlers	3964	# install some emergency cleanup handlers
3452	BEGIN {	3965	BEGIN {
3453	our %SIGWATCHER = ();	3966	our %SIGWATCHER = ();
3454	for my $signal (qw(INT HUP TERM)) {	3967	for my $signal (qw(INT HUP TERM)) {
3455	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3968	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3456	cf::cleanup "SIG$signal";	3969	cf::cleanup "SIG$signal";
3457	};	3970	};
3458	}	3971	}
3459	}	3972	}
3460		3973
3461	sub write_runtime_sync {	3974	sub write_runtime_sync {
3462	my $runtime = "$LOCALDIR/runtime";	3975	my $t0 = AE::time;
3463		3976
3464	# first touch the runtime file to show we are still running:	3977	# first touch the runtime file to show we are still running:
3465	# the fsync below can take a very very long time.	3978	# the fsync below can take a very very long time.
3466		3979
3467	IO::AIO::aio_utime $runtime, undef, undef;	3980	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3468		3981
3469	my $guard = cf::lock_acquire "write_runtime";	3982	my $guard = cf::lock_acquire "write_runtime";
3470		3983
3471	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3984	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3472	or return;	3985	or return;
3473		3986
3474	my $value = $cf::RUNTIME + 90 + 10;	3987	my $value = $cf::RUNTIME + 90 + 10;
3475	# 10 is the runtime save interval, for a monotonic clock	3988	# 10 is the runtime save interval, for a monotonic clock
3476	# 60 allows for the watchdog to kill the server.	3989	# 60 allows for the watchdog to kill the server.
…		…
3486	aio_utime $fh, undef, undef;	3999	aio_utime $fh, undef, undef;
3487		4000
3488	close $fh	4001	close $fh
3489	or return;	4002	or return;
3490		4003
3491	aio_rename "$runtime~", $runtime	4004	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3492	and return;	4005	and return;
3493		4006
3494	warn "runtime file written.\n";	4007	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3495		4008
3496	1	4009	1
3497	}	4010	}
3498		4011
3499	our $uuid_lock;	4012	our $uuid_lock;
…		…
3508	my $uuid = "$LOCALDIR/uuid";	4021	my $uuid = "$LOCALDIR/uuid";
3509		4022
3510	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	4023	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3511	or return;	4024	or return;
3512		4025
3513	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	4026	my $value = uuid_seq uuid_cur;
		4027
		4028	unless ($value) {
		4029	info "cowardly refusing to write zero uuid value!\n";
		4030	return;
		4031	}
		4032
		4033	my $value = uuid_str $value + $uuid_skip;
3514	$uuid_skip = 0;	4034	$uuid_skip = 0;
3515		4035
3516	(aio_write $fh, 0, (length $value), $value, 0) <= 0	4036	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3517	and return;	4037	and return;
3518		4038
…		…
3524	or return;	4044	or return;
3525		4045
3526	aio_rename "$uuid~", $uuid	4046	aio_rename "$uuid~", $uuid
3527	and return;	4047	and return;
3528		4048
3529	warn "uuid file written ($value).\n";	4049	trace "uuid file written ($value).\n";
3530		4050
3531	1	4051	1
3532		4052
3533	}	4053	}
3534		4054
…		…
3540	}	4060	}
3541		4061
3542	sub emergency_save() {	4062	sub emergency_save() {
3543	my $freeze_guard = cf::freeze_mainloop;	4063	my $freeze_guard = cf::freeze_mainloop;
3544		4064
3545	warn "enter emergency perl save\n";	4065	info "emergency_perl_save: enter\n";
		4066
		4067	# this is a trade-off: we want to be very quick here, so
		4068	# save all maps without fsync, and later call a global sync
		4069	# (which in turn might be very very slow)
		4070	local $USE_FSYNC = 0;
3546		4071
3547	cf::sync_job {	4072	cf::sync_job {
		4073	cf::write_runtime_sync; # external watchdog should not bark
		4074
3548	# use a peculiar iteration method to avoid tripping on perl	4075	# use a peculiar iteration method to avoid tripping on perl
3549	# refcount bugs in for. also avoids problems with players	4076	# refcount bugs in for. also avoids problems with players
3550	# and maps saved/destroyed asynchronously.	4077	# and maps saved/destroyed asynchronously.
3551	warn "begin emergency player save\n";	4078	info "emergency_perl_save: begin player save\n";
3552	for my $login (keys %cf::PLAYER) {	4079	for my $login (keys %cf::PLAYER) {
3553	my $pl = $cf::PLAYER{$login} or next;	4080	my $pl = $cf::PLAYER{$login} or next;
3554	$pl->valid or next;	4081	$pl->valid or next;
3555	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4082	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3556	$pl->save;	4083	$pl->save;
3557	}	4084	}
3558	warn "end emergency player save\n";	4085	info "emergency_perl_save: end player save\n";
3559		4086
3560	warn "begin emergency map save\n";	4087	cf::write_runtime_sync; # external watchdog should not bark
		4088
		4089	info "emergency_perl_save: begin map save\n";
3561	for my $path (keys %cf::MAP) {	4090	for my $path (keys %cf::MAP) {
3562	my $map = $cf::MAP{$path} or next;	4091	my $map = $cf::MAP{$path} or next;
3563	$map->valid or next;	4092	$map->valid or next;
3564	$map->save;	4093	$map->save;
3565	}	4094	}
3566	warn "end emergency map save\n";	4095	info "emergency_perl_save: end map save\n";
3567		4096
3568	warn "begin emergency database checkpoint\n";	4097	cf::write_runtime_sync; # external watchdog should not bark
		4098
		4099	info "emergency_perl_save: begin database checkpoint\n";
3569	BDB::db_env_txn_checkpoint $DB_ENV;	4100	BDB::db_env_txn_checkpoint $DB_ENV;
3570	warn "end emergency database checkpoint\n";	4101	info "emergency_perl_save: end database checkpoint\n";
3571		4102
3572	warn "begin write uuid\n";	4103	info "emergency_perl_save: begin write uuid\n";
3573	write_uuid_sync 1;	4104	write_uuid_sync 1;
3574	warn "end write uuid\n";	4105	info "emergency_perl_save: end write uuid\n";
		4106
		4107	cf::write_runtime_sync; # external watchdog should not bark
		4108
		4109	trace "emergency_perl_save: syncing database to disk";
		4110	BDB::db_env_txn_checkpoint $DB_ENV;
		4111
		4112	info "emergency_perl_save: starting sync\n";
		4113	IO::AIO::aio_sync sub {
		4114	info "emergency_perl_save: finished sync\n";
		4115	};
		4116
		4117	cf::write_runtime_sync; # external watchdog should not bark
		4118
		4119	trace "emergency_perl_save: flushing outstanding aio requests";
		4120	while (IO::AIO::nreqs || BDB::nreqs) {
		4121	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4122	}
		4123
		4124	cf::write_runtime_sync; # external watchdog should not bark
3575	};	4125	};
3576		4126
3577	warn "leave emergency perl save\n";	4127	info "emergency_perl_save: leave\n";
3578	}	4128	}
3579		4129
3580	sub post_cleanup {	4130	sub post_cleanup {
3581	my ($make_core) = @_;	4131	my ($make_core) = @_;
3582		4132
		4133	IO::AIO::flush;
		4134
3583	warn Carp::longmess "post_cleanup backtrace"	4135	error Carp::longmess "post_cleanup backtrace"
3584	if $make_core;	4136	if $make_core;
		4137
		4138	my $fh = pidfile;
		4139	unlink $PIDFILE if <$fh> == $$;
		4140	}
		4141
		4142	# a safer delete_package, copied from Symbol
		4143	sub clear_package($) {
		4144	my $pkg = shift;
		4145
		4146	# expand to full symbol table name if needed
		4147	unless ($pkg =~ /^main::.*::$/) {
		4148	$pkg = "main$pkg" if $pkg =~ /^::/;
		4149	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4150	$pkg .= '::' unless $pkg =~ /::$/;
		4151	}
		4152
		4153	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4154	my $stem_symtab = *{$stem}{HASH};
		4155
		4156	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4157	or return;
		4158
		4159	# clear all symbols
		4160	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4161	for my $name (keys %$leaf_symtab) {
		4162	_gv_clear *{"$pkg$name"};
		4163	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4164	}
3585	}	4165	}
3586		4166
3587	sub do_reload_perl() {	4167	sub do_reload_perl() {
3588	# can/must only be called in main	4168	# can/must only be called in main
3589	if ($Coro::current != $Coro::main) {	4169	unless (in_main) {
3590	warn "can only reload from main coroutine";	4170	error "can only reload from main coroutine";
3591	return;	4171	return;
3592	}	4172	}
3593		4173
3594	warn "reloading...";	4174	return if $RELOAD++;
3595		4175
3596	warn "entering sync_job";	4176	my $t1 = AE::time;
3597		4177
		4178	while ($RELOAD) {
		4179	cf::get_slot 0.1, -1, "reload_perl";
		4180	info "perl_reload: reloading...";
		4181
		4182	trace "perl_reload: entering sync_job";
		4183
3598	cf::sync_job {	4184	cf::sync_job {
3599	cf::write_runtime_sync; # external watchdog should not bark
3600	cf::emergency_save;	4185	#cf::emergency_save;
3601	cf::write_runtime_sync; # external watchdog should not bark
3602		4186
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";	4187	trace "perl_reload: cancelling all extension coros";
3620	$_->cancel for values %EXT_CORO;	4188	$_->cancel for values %EXT_CORO;
3621	%EXT_CORO = ();	4189	%EXT_CORO = ();
3622		4190
3623	warn "removing commands";	4191	trace "perl_reload: removing commands";
3624	%COMMAND = ();	4192	%COMMAND = ();
3625		4193
3626	warn "removing ext/exti commands";	4194	trace "perl_reload: removing ext/exti commands";
3627	%EXTCMD = ();	4195	%EXTCMD = ();
3628	%EXTICMD = ();	4196	%EXTICMD = ();
3629		4197
3630	warn "unloading/nuking all extensions";	4198	trace "perl_reload: unloading/nuking all extensions";
3631	for my $pkg (@EXTS) {	4199	for my $pkg (@EXTS) {
3632	warn "... unloading $pkg";	4200	trace "... unloading $pkg";
3633		4201
3634	if (my $cb = $pkg->can ("unload")) {	4202	if (my $cb = $pkg->can ("unload")) {
3635	eval {	4203	eval {
3636	$cb->($pkg);	4204	$cb->($pkg);
3637	1	4205	1
3638	} or warn "$pkg unloaded, but with errors: $@";	4206	} or error "$pkg unloaded, but with errors: $@";
		4207	}
		4208
		4209	trace "... clearing $pkg";
		4210	clear_package $pkg;
3639	}	4211	}
3640		4212
3641	warn "... nuking $pkg";
3642	Symbol::delete_package $pkg;
3643	}
3644
3645	warn "unloading all perl modules loaded from $LIBDIR";	4213	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3646	while (my ($k, $v) = each %INC) {	4214	while (my ($k, $v) = each %INC) {
3647	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4215	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3648		4216
3649	warn "... unloading $k";	4217	trace "... unloading $k";
3650	delete $INC{$k};	4218	delete $INC{$k};
3651		4219
3652	$k =~ s/\.pm$//;	4220	$k =~ s/\.pm$//;
3653	$k =~ s/\//::/g;	4221	$k =~ s/\//::/g;
3654		4222
3655	if (my $cb = $k->can ("unload_module")) {	4223	if (my $cb = $k->can ("unload_module")) {
3656	$cb->();	4224	$cb->();
		4225	}
		4226
		4227	clear_package $k;
3657	}	4228	}
3658		4229
3659	Symbol::delete_package $k;
3660	}
3661
3662	warn "getting rid of safe::, as good as possible";	4230	trace "perl_reload: getting rid of safe::, as good as possible";
3663	Symbol::delete_package "safe::$_"	4231	clear_package "safe::$_"
3664	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4232	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3665		4233
3666	warn "unloading cf.pm \"a bit\"";	4234	trace "perl_reload: unloading cf.pm \"a bit\"";
3667	delete $INC{"cf.pm"};	4235	delete $INC{"cf.pm"};
3668	delete $INC{"cf/pod.pm"};	4236	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3669		4237
3670	# don't, removes xs symbols, too,	4238	# don't, removes xs symbols, too,
3671	# and global variables created in xs	4239	# and global variables created in xs
3672	#Symbol::delete_package __PACKAGE__;	4240	#clear_package __PACKAGE__;
3673		4241
3674	warn "unload completed, starting to reload now";	4242	info "perl_reload: unload completed, starting to reload now";
3675		4243
3676	warn "reloading cf.pm";	4244	trace "perl_reload: reloading cf.pm";
3677	require cf;	4245	require cf;
3678	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4246	cf::_connect_to_perl_1;
3679		4247
3680	warn "loading config and database again";	4248	trace "perl_reload: loading config and database again";
3681	cf::reload_config;	4249	cf::reload_config;
3682		4250
3683	warn "loading extensions";	4251	trace "perl_reload: loading extensions";
3684	cf::load_extensions;	4252	cf::load_extensions;
3685		4253
		4254	if ($REATTACH_ON_RELOAD) {
3686	warn "reattaching attachments to objects/players";	4255	trace "perl_reload: reattaching attachments to objects/players";
3687	_global_reattach; # objects, sockets	4256	_global_reattach; # objects, sockets
3688	warn "reattaching attachments to maps";	4257	trace "perl_reload: reattaching attachments to maps";
3689	reattach $_ for values %MAP;	4258	reattach $_ for values %MAP;
3690	warn "reattaching attachments to players";	4259	trace "perl_reload: reattaching attachments to players";
3691	reattach $_ for values %PLAYER;	4260	reattach $_ for values %PLAYER;
		4261	}
3692		4262
3693	warn "leaving sync_job";	4263	cf::_post_init 1;
3694		4264
		4265	trace "perl_reload: leaving sync_job";
		4266
3695	1	4267	1
3696	} or do {	4268	} or do {
3697	warn $@;	4269	error $@;
3698	cf::cleanup "error while reloading, exiting.";	4270	cf::cleanup "perl_reload: error, exiting.";
		4271	};
		4272
		4273	--$RELOAD;
3699	};	4274	}
3700		4275
3701	warn "reloaded";	4276	$t1 = AE::time - $t1;
		4277	info "perl_reload: completed in ${t1}s\n";
3702	};	4278	};
3703		4279
3704	our $RELOAD_WATCHER; # used only during reload	4280	our $RELOAD_WATCHER; # used only during reload
3705		4281
3706	sub reload_perl() {	4282	sub reload_perl() {
3707	# doing reload synchronously and two reloads happen back-to-back,	4283	# doing reload synchronously and two reloads happen back-to-back,
3708	# coro crashes during coro_state_free->destroy here.	4284	# coro crashes during coro_state_free->destroy here.
3709		4285
		4286	$RELOAD_WATCHER ||= cf::async {
		4287	Coro::AIO::aio_wait cache_extensions;
		4288
3710	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4289	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3711	do_reload_perl;	4290	do_reload_perl;
3712	undef $RELOAD_WATCHER;	4291	undef $RELOAD_WATCHER;
		4292	};
3713	};	4293	};
3714	}	4294	}
3715		4295
3716	register_command "reload" => sub {	4296	register_command "reload" => sub {
3717	my ($who, $arg) = @_;	4297	my ($who, $arg) = @_;
…		…
3723	reload_perl;	4303	reload_perl;
3724	};	4304	};
3725	}	4305	}
3726	};	4306	};
3727		4307
3728	unshift @INC, $LIBDIR;	4308	#############################################################################
3729		4309
3730	my $bug_warning = 0;	4310	my $bug_warning = 0;
3731		4311
3732	our @WAIT_FOR_TICK;
3733	our @WAIT_FOR_TICK_BEGIN;
3734
3735	sub wait_for_tick {	4312	sub wait_for_tick() {
3736	return if tick_inhibit || $Coro::current == $Coro::main;	4313	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3737		4314
3738	my $signal = new Coro::Signal;	4315	$WAIT_FOR_TICK->wait;
3739	push @WAIT_FOR_TICK, $signal;
3740	$signal->wait;
3741	}	4316	}
3742		4317
3743	sub wait_for_tick_begin {	4318	sub wait_for_tick_begin() {
3744	return if tick_inhibit || $Coro::current == $Coro::main;	4319	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3745		4320
3746	my $signal = new Coro::Signal;	4321	my $signal = new Coro::Signal;
3747	push @WAIT_FOR_TICK_BEGIN, $signal;	4322	push @WAIT_FOR_TICK_BEGIN, $signal;
3748	$signal->wait;	4323	$signal->wait;
3749	}	4324	}
…		…
3753	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4328	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3754	unless ++$bug_warning > 10;	4329	unless ++$bug_warning > 10;
3755	return;	4330	return;
3756	}	4331	}
3757		4332
3758	cf::server_tick; # one server iteration	4333	cf::one_tick; # one server iteration
		4334
		4335	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3759		4336
3760	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4337	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3761	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4338	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3762	Coro::async_pool {	4339	Coro::async_pool {
3763	$Coro::current->{desc} = "runtime saver";	4340	$Coro::current->{desc} = "runtime saver";
3764	write_runtime_sync	4341	write_runtime_sync
3765	or warn "ERROR: unable to write runtime file: $!";	4342	or error "ERROR: unable to write runtime file: $!";
3766	};	4343	};
3767	}	4344	}
3768		4345
3769	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4346	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3770	$sig->send;	4347	$sig->send;
3771	}	4348	}
3772	while (my $sig = shift @WAIT_FOR_TICK) {	4349	$WAIT_FOR_TICK->broadcast;
3773	$sig->send;
3774	}
3775		4350
3776	$LOAD = ($NOW - $TICK_START) / $TICK;	4351	$LOAD = ($NOW - $TICK_START) / $TICK;
3777	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4352	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3778		4353
3779	if (0) {	4354	if (0) {
3780	if ($NEXT_TICK) {	4355	if ($NEXT_TICK) {
3781	my $jitter = $TICK_START - $NEXT_TICK;	4356	my $jitter = $TICK_START - $NEXT_TICK;
3782	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4357	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3783	warn "jitter $JITTER\n";#d#	4358	debug "jitter $JITTER\n";#d#
3784	}	4359	}
3785	}	4360	}
3786	}	4361	}
3787		4362
3788	{	4363	{
3789	# configure BDB	4364	# configure BDB
		4365	info "initialising database";
3790		4366
3791	BDB::min_parallel 8;	4367	BDB::min_parallel 16;
3792	BDB::max_poll_reqs $TICK * 0.1;	4368	BDB::max_poll_reqs $TICK * 0.1;
3793	$AnyEvent::BDB::WATCHER->priority (1);	4369	#$AnyEvent::BDB::WATCHER->priority (1);
3794		4370
3795	unless ($DB_ENV) {	4371	unless ($DB_ENV) {
3796	$DB_ENV = BDB::db_env_create;	4372	$DB_ENV = BDB::db_env_create;
3797	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4373	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3798	| BDB::LOG_AUTOREMOVE, 1);	4374	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4375	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3799	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4376	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3800	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4377	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3801		4378
3802	cf::sync_job {	4379	cf::sync_job {
3803	eval {	4380	eval {
…		…
3822	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4399	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3823	};	4400	};
3824	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4401	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3825	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4402	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3826	};	4403	};
		4404
		4405	info "database initialised";
3827	}	4406	}
3828		4407
3829	{	4408	{
3830	# configure IO::AIO	4409	# configure IO::AIO
3831		4410
		4411	info "initialising aio";
3832	IO::AIO::min_parallel 8;	4412	IO::AIO::min_parallel 8;
3833	IO::AIO::max_poll_time $TICK * 0.1;	4413	IO::AIO::max_poll_time $TICK * 0.1;
3834	$AnyEvent::AIO::WATCHER->priority (1);	4414	undef $AnyEvent::AIO::WATCHER;
		4415	info "aio initialised";
3835	}	4416	}
3836		4417
3837	my $_log_backtrace;	4418	our $_log_backtrace;
		4419	our $_log_backtrace_last;
3838		4420
3839	sub _log_backtrace {	4421	sub _log_backtrace {
3840	my ($msg, @addr) = @_;	4422	my ($msg, @addr) = @_;
3841		4423
3842	$msg =~ s/\n//;	4424	$msg =~ s/\n$//;
3843		4425
		4426	if ($_log_backtrace_last eq $msg) {
		4427	LOG llevInfo, "[ABT] $msg\n";
		4428	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3844	# limit the # of concurrent backtraces	4429	# limit the # of concurrent backtraces
3845	if ($_log_backtrace < 2) {	4430	} elsif ($_log_backtrace < 2) {
		4431	$_log_backtrace_last = $msg;
3846	++$_log_backtrace;	4432	++$_log_backtrace;
		4433	my $perl_bt = Carp::longmess $msg;
3847	async {	4434	async {
3848	$Coro::current->{desc} = "abt $msg";	4435	$Coro::current->{desc} = "abt $msg";
3849		4436
3850	my @bt = fork_call {	4437	my @bt = fork_call {
3851	@addr = map { sprintf "%x", $_ } @addr;	4438	@addr = map { sprintf "%x", $_ } @addr;
…		…
3862	}	4449	}
3863		4450
3864	@funcs	4451	@funcs
3865	};	4452	};
3866		4453
3867	LOG llevInfo, "[ABT] $msg\n";	4454	LOG llevInfo, "[ABT] $perl_bt\n";
		4455	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3868	LOG llevInfo, "[ABT] $_\n" for @bt;	4456	LOG llevInfo, "[ABT] $_\n" for @bt;
3869	--$_log_backtrace;	4457	--$_log_backtrace;
3870	};	4458	};
3871	} else {	4459	} else {
3872	LOG llevInfo, "[ABT] $msg\n";	4460	LOG llevInfo, "[ABT] $msg\n";
3873	LOG llevInfo, "[ABT] [suppressed]\n";	4461	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3874	}	4462	}
3875	}	4463	}
3876		4464
3877	# load additional modules	4465	# load additional modules
3878	use cf::pod;	4466	require "cf/$_.pm" for @EXTRA_MODULES;
		4467	cf::_connect_to_perl_2;
3879		4468
3880	END { cf::emergency_save }	4469	END { cf::emergency_save }
3881		4470
3882	1	4471	1
3883		4472

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