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Revision 1.428 by root, Thu May 1 06:33:19 2008 UTC vs.
Revision 1.610 by root, Tue Nov 20 14:40:01 2012 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
18	#	18	# <http://www.gnu.org/licenses/>.
		19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use utf8;	25	use common::sense;
25	use strict;
26		26
27	use Symbol;	27	use Symbol;
28	use List::Util;	28	use List::Util;
29	use Socket;	29	use Socket;
30	use EV 3.2;	30	use EV;
31	use Opcode;	31	use Opcode;
32	use Safe;	32	use Safe;
33	use Safe::Hole;	33	use Safe::Hole;
34	use Storable ();	34	use Storable ();
		35	use Carp ();
35		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
36	use Coro 4.50 ();	41	use Coro ();
37	use Coro::State;	42	use Coro::State;
38	use Coro::Handle;	43	use Coro::Handle;
39	use Coro::EV;	44	use Coro::EV;
		45	use Coro::AnyEvent;
40	use Coro::Timer;	46	use Coro::Timer;
41	use Coro::Signal;	47	use Coro::Signal;
42	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
43	use Coro::AIO;	51	use Coro::AIO;
44	use Coro::BDB;	52	use Coro::BDB 1.6;
45	use Coro::Storable;	53	use Coro::Storable;
46	use Coro::Util ();	54	use Coro::Util ();
47		55
		56	use Guard ();
48	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
49	use BDB ();	58	use BDB ();
50	use Data::Dumper;	59	use Data::Dumper;
51	use Digest::MD5;
52	use Fcntl;	60	use Fcntl;
53	use YAML ();	61	use YAML::XS ();
54	use IO::AIO 2.51 ();	62	use IO::AIO ();
55	use Time::HiRes;
56	use Compress::LZF;	63	use Compress::LZF;
57	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
58		67
59	# configure various modules to our taste	68	# configure various modules to our taste
60	#	69	#
61	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64		78
65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
66		81
67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
68		85
69	our %COMMAND = ();	86	our %COMMAND = ();
70	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
71		88
72	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
73	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
74	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
77		96
78	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
80		101
81	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
82	our $DATADIR = datadir;	104	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
86	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
92	our %RESOURCE;	115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
93		125
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95	our $AIO_POLL_WATCHER;
96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	128	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		130
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	134	our $DB_ENV;
105		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
106	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
107		140
108	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
110	our $NOW;	144	our $NOW;
111		145
112	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
113	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
114	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
…		…
119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	155	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
123		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
124	binmode STDOUT;	166	binmode STDOUT;
125	binmode STDERR;	167	binmode STDERR;
126		168
127	# read virtual server time, if available	169	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
132	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
133		177
134	mkdir $_	178	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		180
137	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
138		182
139	sub cf::map::normalise;	183	sub cf::map::normalise;
140		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
141	#############################################################################	189	#############################################################################
142		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
143	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
144		203
145	=over 4	204	=over 4
146		205
147	=item $cf::UPTIME	206	=item $cf::UPTIME
148		207
149	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
150		224
151	=item $cf::RUNTIME	225	=item $cf::RUNTIME
152		226
153	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
154	every server tick.	228	every server tick.
155		229
156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
159		233
160	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
162	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
163	database environment.	237	database environment.
164		238
165	=item $cf::NOW
166
167	The time of the last (current) server tick.
168
169	=item $cf::TICK
170
171	The interval between server ticks, in seconds.
172
173	=item $cf::LOADAVG	239	=item $cf::LOADAVG
174		240
175	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
176	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
177	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
186	from wherever your confdir points to.	252	from wherever your confdir points to.
187		253
188	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
189		255
190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
191	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
193		277
194	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
195		279
196	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198	that call.	282	that call.
199		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
200	=back	290	=back
201		291
202	=cut	292	=cut
203		293
204	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
205	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
206	my $msg = join "", @_;	301	my $msg = join "", @_;
207		302
208	$msg .= "\n"	303	$msg .= "\n"
209	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
210		305
211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
212		307
213	LOG llevError, $msg;	308	LOG llevWarn, $msg;
214	};	309	};
215	}
216		310
217	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
219		313
220	if ($Coro::current == $Coro::main) {#d#	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	318	return;#d#
223	}#d#	319	}#d#
224		320
225	# kill coroutine otherwise	321	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	322	Coro::terminate
228	};	323	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		324
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	335	for my $pkg (qw(
243	cf::global cf::attachable	336	cf::global cf::attachable
244	cf::object cf::object::player	337	cf::object cf::object::player
245	cf::client cf::player	338	cf::client cf::player
246	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
247	cf::map cf::party cf::region	341	cf::party cf::region
248	)) {	342	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	344	}
252		345
253	$EV::DIED = sub {	346	$EV::DIED = sub {
254	warn "error in event callback: @_";	347	warn "error in event callback: $@";
255	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
256		354
257	#############################################################################	355	#############################################################################
258		356
259	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
260		358
…		…
281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
282	$d	380	$d
283	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
284	}	382	}
285		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
286	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
287		437
288	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
289		439
290	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		447
298	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
300		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
301	=item cf::lock_wait $string	513	=item cf::lock_wait $string
302		514
303	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
304		516
305	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
306		518
307	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
309	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
310	returned.	522	returned.
311		523
312	Locks are *not* recursive, locking from the same coro twice results in a	524	Locks are *not* recursive, locking from the same coro twice results in a
313	deadlocked coro.	525	deadlocked coro.
…		…
319		531
320	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
321		533
322	=cut	534	=cut
323		535
324	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		537
327	sub lock_wait($) {	538	sub lock_wait($) {
328	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
329
330	if ($LOCKER{$key} == $Coro::current) {#d#
331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332	return;#d#
333	}#d#
334
335	# wait for lock, if any
336	while ($LOCK{$key}) {
337	push @{ $LOCK{$key} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	540	}
341		541
342	sub lock_acquire($) {	542	sub lock_acquire($) {
343	my ($key) = @_;	543	$LOCKS->guard ($_[0])
344
345	# wait, to be sure we are not locked
346	lock_wait $key;
347
348	$LOCK{$key} = [];
349	$LOCKER{$key} = $Coro::current;#d#
350
351	Coro::guard {
352	delete $LOCKER{$key};#d#
353	# wake up all waiters, to be on the safe side
354	$_->ready for @{ delete $LOCK{$key} };
355	}
356	}	544	}
357		545
358	sub lock_active($) {	546	sub lock_active($) {
359	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	548	}
363		549
364	sub freeze_mainloop {	550	sub freeze_mainloop {
365	tick_inhibit_inc;	551	tick_inhibit_inc;
366		552
367	Coro::guard \&tick_inhibit_dec;	553	&Guard::guard (\&tick_inhibit_dec);
368	}	554	}
369		555
370	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
371		557
372	Like EV::periodic, but randomly selects a starting point so that the actions	558	Like EV::periodic, but randomly selects a starting point so that the actions
373	get spread over timer.	559	get spread over time.
374		560
375	=cut	561	=cut
376		562
377	sub periodic($$) {	563	sub periodic($$) {
378	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
382	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
383	}	569	}
384		570
385	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
386		572
387	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
388	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
389	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
390		580
391	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
392	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
393		583
394	Useful for short background jobs.	584	Useful for short background jobs.
395		585
396	=cut	586	=cut
397		587
398	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
399	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
400		591
401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
403	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
404		595
405	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
406		598
407	while () {	599	while () {
408	next_job:	600	next_job:
		601
409	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
410	if ($avail > 0.01) {	603
411	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
412	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
413	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
414	$job->[2]->send;	608	$job->[2]->send;
415	Coro::cede;	609	Coro::cede;
416	goto next_job;	610	goto next_job;
417	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
418	}	613	}
419	}	614	}
420		615
421	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
422	# we do not use wait_for_tick() as it returns immediately when tick is inactive	617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
423	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
424	$signal->wait;
425	} else {	619	} else {
		620	$busy = 0;
426	Coro::schedule;	621	Coro::schedule;
427	}	622	}
428	}	623	}
429	};	624	};
430		625
431	sub get_slot($;$$) {	626	sub get_slot($;$$) {
432	return if tick_inhibit || $Coro::current == $Coro::main;	627	return if tick_inhibit || $Coro::current == $Coro::main;
433		628
434	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
435		630
436	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
437	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
438		634
439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
441	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
467	=cut	663	=cut
468		664
469	sub sync_job(&) {	665	sub sync_job(&) {
470	my ($job) = @_;	666	my ($job) = @_;
471		667
472	if ($Coro::current == $Coro::main) {	668	if (in_main) {
473	my $time = EV::time;	669	my $time = AE::time;
474		670
475	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
476	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
477		673
478	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
479		675
480	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
481		677
482	my $busy = 1;	678	my $busy = 1;
483	my @res;	679	my @res;
484		680
485	(async {	681	(async {
486	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
487	@res = eval { $job->() };	683	@res = eval { $job->() };
488	warn $@ if $@;	684	error $@ if $@;
489	undef $busy;	685	undef $busy;
490	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
491		687
492	while ($busy) {	688	while ($busy) {
493	if (Coro::nready) {	689	if (Coro::nready) {
…		…
495	} else {	691	} else {
496	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_ONESHOT;
497	}	693	}
498	}	694	}
499		695
500	my $time = EV::time - $time;	696	my $time = AE::time - $time;
501		697
502	$TICK_START += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
503		699
504	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
505	} else {	701	} else {
…		…
527	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
528		724
529	$coro	725	$coro
530	}	726	}
531		727
532	=item fork_call { }, $args	728	=item fork_call { }, @args
533		729
534	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
535	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
536	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
537	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
538		734
539	=cut	735	=cut
540		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
541	sub fork_call(&@) {	741	sub fork_call(&@) {
542	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
543		743
544	# we seemingly have to make a local copy of the whole thing,
545	# otherwise perl prematurely frees the stuff :/
546	# TODO: investigate and fix (likely this will be rather laborious)
547
548	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
549	reset_signals;	745	cf::post_fork;
550	&$cb	746	&$cb
551	}, @args;	747	} @args;
552		748
553	wantarray ? @res : $res[-1]	749	wantarray ? @res : $res[-1]
		750	}
		751
		752	sub objinfo {
		753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
554	}	761	}
555		762
556	=item $coin = coin_from_name $name	763	=item $coin = coin_from_name $name
557		764
558	=cut	765	=cut
…		…
595	within each server.	802	within each server.
596		803
597	=cut	804	=cut
598		805
599	sub db_table($) {	806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
600	my ($name) = @_;	810	my ($name) = @_;
601	my $db = BDB::db_create $DB_ENV;	811	my $db = BDB::db_create $DB_ENV;
602		812
603	eval {	813	eval {
604	$db->set_flags (BDB::CHKSUM);	814	$db->set_flags (BDB::CHKSUM);
…		…
614	}	824	}
615		825
616	our $DB;	826	our $DB;
617		827
618	sub db_init {	828	sub db_init {
619	cf::sync_job {
620	$DB ||= db_table "db";	829	$DB ||= db_table "db";
621	};
622	}	830	}
623		831
624	sub db_get($$) {	832	sub db_get($$) {
625	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
626		834
627	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
628	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
629		839
630	$! ? ()	840	$! ? ()
631	: $data	841	: $data
632	}
633	}	842	}
634		843
635	sub db_put($$$) {	844	sub db_put($$$) {
636	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
665		874
666	my @data;	875	my @data;
667	my $md5;	876	my $md5;
668		877
669	for (0 .. $#$src) {	878	for (0 .. $#$src) {
670	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
671	or Carp::croak "$src->[$_]: $!";
672	}	880	}
673		881
674	# if processing is expensive, check	882	# if processing is expensive, check
675	# checksum first	883	# checksum first
676	if (1) {	884	if (1) {
…		…
689		897
690	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
691	}	899	}
692	}	900	}
693		901
694	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
695	my $data = $process->(\@data);	903	my $data = $process->(\@data);
696	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
697		905
698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
699		907
700	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
701	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
702	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
703		911
…		…
713		921
714	=cut	922	=cut
715		923
716	sub datalog($@) {	924	sub datalog($@) {
717	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
719	}	927	}
720		928
721	=back	929	=back
722		930
723	=cut	931	=cut
724		932
725	#############################################################################	933	#############################################################################
726		934
727	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
728		936
729	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
730	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
731	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
732		940
733	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
734	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
784	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
785		993
786	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
787	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
788		996
789	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
790	that are attached at load/instantiate time, thus the need for a name.	998	that are attached at load/instantiate time, thus the need for a name.
791		999
792	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
793		1001
794	=over 4	1002	=over 4
…		…
918		1126
919	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
920	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
921		1129
922	} elsif (ref $type) {	1130	} elsif (ref $type) {
923	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
924		1132
925	} else {	1133	} else {
926	shift @arg;	1134	shift @arg;
927	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
928	}	1136	}
929	}	1137	}
930	}	1138	}
931		1139
932	sub _object_attach {	1140	sub _object_attach {
…		…
942	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
943	}	1151	}
944		1152
945	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
946	} else {	1154	} else {
947	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
948	}	1156	}
949		1157
950	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
951	}	1159	}
952		1160
…		…
1011		1219
1012	for (@$callbacks) {	1220	for (@$callbacks) {
1013	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
1014		1222
1015	if ($@) {	1223	if ($@) {
1016	warn "$@";
1017	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1018	override;	1225	override;
1019	}	1226	}
1020		1227
1021	return 1 if $override;	1228	return 1 if $override;
1022	}	1229	}
…		…
1085		1292
1086	sub reattach {	1293	sub reattach {
1087	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
1088	my ($obj) = @_;	1295	my ($obj) = @_;
1089		1296
		1297	# no longer needed after getting rid of delete_package?
1090	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1298	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1091		1299
1092	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
1093		1301
1094	@$registry = ();	1302	@$registry = ();
1095		1303
…		…
1100	for (@$attach) {	1308	for (@$attach) {
1101	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
1102	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
1103	}	1311	}
1104	} else {	1312	} else {
1105	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
1106	}	1314	}
1107	}	1315	}
1108	}	1316	}
1109		1317
1110	cf::attachable->attach (	1318	cf::attachable->attach (
…		…
1137	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1138		1346
1139	sync_job {	1347	sync_job {
1140	if (length $$rdata) {	1348	if (length $$rdata) {
1141	utf8::decode (my $decname = $filename);	1349	utf8::decode (my $decname = $filename);
1142	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1143	$decname, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1144		1353
1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1146	aio_chmod $fh, SAVE_MODE;	1355	aio_chmod $fh, SAVE_MODE;
1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1148	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1359	aio_fsync $fh;
		1360	}
1149	aio_close $fh;	1361	aio_close $fh;
1150		1362
1151	if (@$objs) {	1363	if (@$objs) {
1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1153	aio_chmod $fh, SAVE_MODE;	1365	aio_chmod $fh, SAVE_MODE;
1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1155	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1156	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1370	aio_fsync $fh;
		1371	}
1157	aio_close $fh;	1372	aio_close $fh;
1158	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1159	}	1374	}
1160	} else {	1375	} else {
1161	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1162	}	1377	}
1163		1378
1164	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1165	} else {	1383	} else {
1166	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1167	}	1385	}
1168	} else {	1386	} else {
1169	aio_unlink $filename;	1387	aio_unlink $filename;
1170	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1171	}	1389	}
…		…
1195	my $st = eval { Coro::Storable::thaw $av };	1413	my $st = eval { Coro::Storable::thaw $av };
1196	$av = $st->{objs};	1414	$av = $st->{objs};
1197	}	1415	}
1198		1416
1199	utf8::decode (my $decname = $filename);	1417	utf8::decode (my $decname = $filename);
1200	warn sprintf "loading %s (%d,%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1201	$decname, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
1202		1421
1203	($data, $av)	1422	($data, $av)
1204	}	1423	}
1205		1424
1206	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
…		…
1210	=cut	1429	=cut
1211		1430
1212	#############################################################################	1431	#############################################################################
1213	# command handling &c	1432	# command handling &c
1214		1433
1215	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1216		1435
1217	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
1218	$name.	1437	$name.
1219		1438
1220	=cut	1439	=cut
…		…
1226	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1227		1446
1228	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1229	}	1448	}
1230		1449
1231	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1232		1451
1233	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1234	extcmd packet. Ext commands will be processed in the order they are	1453	extcmd packet. Ext commands will be processed in the order they are
1235	received by the server, like other user commands. The first argument is	1454	received by the server, like other user commands. The first argument is
1236	the logged-in player. Ext commands can only be processed after a player	1455	the logged-in player. Ext commands can only be processed after a player
1237	has logged in successfully.	1456	has logged in successfully.
1238		1457
1239	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1240	called.
1241		1459
		1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
1242	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1243		1466
1244	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1245	exticmd packet. Exti commands are processed by the server as soon as they	1468	exticmd packet. Exti commands are processed by the server as soon as they
1246	are received, i.e. out of order w.r.t. other commands. The first argument	1469	are received, i.e. out of order w.r.t. other commands. The first argument
1247	is a client socket. Exti commands can be received anytime, even before	1470	is a client socket. Exti commands can be received anytime, even before
1248	log-in.	1471	log-in.
1249		1472
1250	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1251	called.
1252		1474
1253	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1254		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1255	sub register_extcmd {	1482	sub register_extcmd($$) {
1256	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1257		1484
1258	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1259	}	1486	}
1260		1487
1261	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1262	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1263		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1264	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1265	}	1498	}
1266		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1267	cf::player->attach (	1508	cf::player->attach (
1268	on_command => sub {	1509	on_unknown_command => sub {
1269	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1270		1511
1271	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1272	or return;	1513	or return;
1273		1514
…		…
1281	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1282		1523
1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1284		1525
1285	if (ref $msg) {	1526	if (ref $msg) {
1286	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1287	"ARRAY" eq ref $msg
1288	? @$msg
1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1290		1528
1291	my @reply;
1292
1293	if (my $cb = $EXTCMD{$type}) {	1529	if (my $cb = $EXTACMD{$type}) {
		1530	$cb->(
		1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
1294	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1295	}	1547	}
1296		1548
1297	$pl->ext_reply ($reply, @reply)
1298	if $reply;
1299
1300	} else {	1549	} else {
1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1302	}	1551	}
1303		1552
1304	cf::override;	1553	cf::override;
1305	},	1554	},
1306	);	1555	);
1307		1556
		1557	# "readahead" all extensions
		1558	sub cache_extensions {
		1559	my $grp = IO::AIO::aio_group;
		1560
		1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1562	for (grep /\.ext$/, @{$_[0]}) {
		1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1564	}
		1565	};
		1566
		1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1579	}
		1580
1308	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1309	cf::sync_job {	1586	cf::sync_job {
1310	my %todo;	1587	my %todo;
1311		1588
1312	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1313	next unless -r $path;	1590	next unless -r $path;
…		…
1331		1608
1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334		1611
1335	$ext{source} =	1612	$ext{source} =
1336	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1337	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1338	. $source	1615	. $source
1339	. "\n};\n1";	1616	. "\n};\n1";
1340		1617
1341	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1342	}	1619	}
1343		1620
		1621	my $pass = 0;
1344	my %done;	1622	my %done;
1345	while (%todo) {	1623	while (%todo) {
1346	my $progress;	1624	my $progress;
1347		1625
		1626	++$pass;
		1627
		1628	ext:
1348	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1349	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1350	goto skip	1631	next ext
1351	unless exists $done{$_};	1632	unless exists $done{$_};
1352	}	1633	}
1353		1634
1354	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1355		1636
1356	unless (eval $v->{source}) {	1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
1357	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1358	: "$v->{base}: extension inactive.\n";
1359		1650
1360	if (exists $v->{meta}{mandatory}) {
1361	warn $msg;
1362	cf::cleanup "mandatory extension failed to load, exiting.";	1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1363	}	1652	if exists $v->{meta}{mandatory};
1364		1653
1365	warn $msg;	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1655	delete $todo{$k};
		1656	} else {
		1657	$done{$k} = delete $todo{$k};
		1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1366	}	1663	}
1367
1368	$done{$k} = delete $todo{$k};
1369	push @EXTS, $v->{pkg};
1370	$progress = 1;
1371	}	1664	}
1372		1665
1373	skip:	1666	unless ($progress) {
1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1375	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1376	}	1676	}
1377	};	1677	};
1378	}	1678	}
1379		1679
1380	#############################################################################	1680	#############################################################################
1381		1681
1382	=back	1682	=back
1383		1683
1384	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1385		1685
1386	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1387		1687
1388	=cut	1688	=cut
1389		1689
1390	package cf::player;	1690	package cf::player;
1391		1691
…		…
1434		1734
1435	sub exists($) {	1735	sub exists($) {
1436	my ($login) = @_;	1736	my ($login) = @_;
1437		1737
1438	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1439	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1440	}	1740	}
1441		1741
1442	sub find($) {	1742	sub find($) {
1443	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1444	my $login = $_[0];	1744	my $login = $_[0];
…		…
1464	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1465	}	1765	}
1466	}	1766	}
1467	}	1767	}
1468		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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
1469	sub save($) {	1782	sub save($) {
1470	my ($pl) = @_;	1783	my ($pl) = @_;
1471		1784
1472	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
1473		1786
…		…
1478		1791
1479	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1480	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1481		1794
1482	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];
1483		1799
1484	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1485	cf::cede_to_tick;	1801	cf::cede_to_tick;
1486	}	1802	}
1487		1803
…		…
1519	my ($pl) = @_;	1835	my ($pl) = @_;
1520		1836
1521	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1522		1838
1523	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1524	$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
1525		1841
1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1527	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1528	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1529	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1530		1850
1531	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1532	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1533	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1587	\@logins	1907	\@logins
1588	}	1908	}
1589		1909
1590	=item $player->maps	1910	=item $player->maps
1591		1911
		1912	=item cf::player::maps $login
		1913
1592	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1593	player. May block.	1915	player. May block.
1594		1916
1595	=cut	1917	=cut
1596		1918
…		…
1613	}	1935	}
1614		1936
1615	\@paths	1937	\@paths
1616	}	1938	}
1617		1939
1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1619		1941
1620	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1621
1622	=cut
1623
1624	use re 'eval';
1625
1626	my $group;
1627	my $interior; $interior = qr{
1628	# match a pod interior sequence sans C<< >>
1629	(?:
1630	\ (.*?)\ (?{ $group = $^N })
1631	| < (??{$interior}) >
1632	)
1633	}x;
1634
1635	sub expand_cfpod {
1636	my ($self, $pod) = @_;
1637
1638	my $xml;
1639
1640	while () {
1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1642	$group = $1;
1643
1644	$group =~ s/&/&amp;/g;
1645	$group =~ s/</&lt;/g;
1646
1647	$xml .= $group;
1648	} elsif ($pod =~ m%\G
1649	([BCGHITU])
1650	<
1651	(?:
1652	([^<>]*) (?{ $group = $^N })
1653	| < $interior >
1654	)
1655	>
1656	%gcsx
1657	) {
1658	my ($code, $data) = ($1, $group);
1659
1660	if ($code eq "B") {
1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1662	} elsif ($code eq "I") {
1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1664	} elsif ($code eq "U") {
1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1666	} elsif ($code eq "C") {
1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1668	} elsif ($code eq "T") {
1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1670	} elsif ($code eq "G") {
1671	my ($male, $female) = split /\|/, $data;
1672	$data = $self->gender ? $female : $male;
1673	$xml .= expand_cfpod ($self, $data);
1674	} elsif ($code eq "H") {
1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1677	"")
1678	[$self->{hintmode}];
1679	} else {
1680	$xml .= "error processing '$code($data)' directive";
1681	}
1682	} else {
1683	if ($pod =~ /\G(.+)/) {
1684	warn "parse error while expanding $pod (at $1)";
1685	}
1686	last;
1687	}
1688	}
1689
1690	for ($xml) {
1691	# create single paragraphs (very hackish)
1692	s/(?<=\S)\n(?=\w)/ /g;
1693
1694	# compress some whitespace
1695	s/\s+\n/\n/g; # ws line-ends
1696	s/\n\n+/\n/g; # double lines
1697	s/^\n+//; # beginning lines
1698	s/\n+$//; # ending lines
1699	}
1700
1701	$xml
1702	}
1703
1704	no re 'eval';
1705
1706	sub hintmode {
1707	$_[0]{hintmode} = $_[1] if @_ > 1;
1708	$_[0]{hintmode}
1709	}
1710
1711	=item $player->ext_reply ($msgid, @msg)
1712
1713	Sends an ext reply to the player.
1714
1715	=cut
1716
1717	sub ext_reply($$@) {
1718	my ($self, $id, @msg) = @_;
1719
1720	$self->ns->ext_reply ($id, @msg)
1721	}
1722		1943
1723	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1724		1945
1725	Sends an ext event to the client.	1946	Sends an ext event to the client.
1726		1947
…		…
1746		1967
1747	=cut	1968	=cut
1748		1969
1749	sub find_by_path($) {	1970	sub find_by_path($) {
1750	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1751		1974
1752	my ($match, $specificity);	1975	my ($match, $specificity);
1753		1976
1754	for my $region (list) {	1977	for my $region (list) {
1755	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1784	sub generate_random_map {	2007	sub generate_random_map {
1785	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1786		2009
1787	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
1788		2011
1789	# mit "rum" bekleckern, nicht
1790	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1794	$rmp->{exit_on_final_map},
1795	$rmp->{xsize}, $rmp->{ysize},
1796	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1797	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1798	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1799	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1800	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1801	(cf::region::find $rmp->{region}), $rmp->{custom}
1802	)
1803	}	2013	}
1804		2014
1805	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1806		2016
1807	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
…		…
1812		2022
1813	sub register {	2023	sub register {
1814	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1815	my $pkg = caller;	2025	my $pkg = caller;
1816		2026
1817	no strict;
1818	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1819		2028
1820	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1821	}	2030	}
1822		2031
1823	# also paths starting with '/'	2032	# also paths starting with '/'
1824	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1825		2034
1826	sub thawer_merge {	2035	sub thawer_merge {
1827	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1828		2037
1829	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1834	}	2043	}
1835		2044
1836	sub normalise {	2045	sub normalise {
1837	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1838		2047
1839	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1840		2049
1841	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1842		2051
1843	# map plan:	2052	# map plan:
1844	#	2053	#
…		…
1859	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1860	$path = "$base/$path";	2069	$path = "$base/$path";
1861	}	2070	}
1862		2071
1863	for ($path) {	2072	for ($path) {
1864	redo if s{//}{/};
1865	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1866	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1867	}	2075	}
1868		2076
1869	$path	2077	$path
…		…
1883	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1884	return $self;	2092	return $self;
1885	}	2093	}
1886	}	2094	}
1887		2095
1888	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1889	()	2097	()
1890	}	2098	}
1891		2099
		2100	# may re-bless or do other evil things
1892	sub init {	2101	sub init {
1893	my ($self) = @_;	2102	my ($self) = @_;
1894		2103
1895	$self	2104	$self
1896	}	2105	}
…		…
1927		2136
1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1929	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1930	}	2139	}
1931		2140
1932	# and all this just because we cannot iterate over
1933	# all maps in C++...
1934	sub change_all_map_light {
1935	my ($change) = @_;
1936
1937	$_->change_map_light ($change)
1938	for grep $_->outdoor, values %cf::MAP;
1939	}
1940
1941	sub decay_objects {	2141	sub decay_objects {
1942	my ($self) = @_;	2142	my ($self) = @_;
1943		2143
1944	return if $self->{deny_reset};	2144	return if $self->{deny_reset};
1945		2145
…		…
1970	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1971		2171
1972	1	2172	1
1973	}	2173	}
1974		2174
		2175	# used to laod the header of an original map
1975	sub load_header_orig {	2176	sub load_header_orig {
1976	my ($self) = @_;	2177	my ($self) = @_;
1977		2178
1978	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1979	}	2180	}
1980		2181
		2182	# used to laod the header of an instantiated map
1981	sub load_header_temp {	2183	sub load_header_temp {
1982	my ($self) = @_;	2184	my ($self) = @_;
1983		2185
1984	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1985	}	2187	}
1986		2188
		2189	# called after loading the header from an instantiated map
1987	sub prepare_temp {	2190	sub prepare_temp {
1988	my ($self) = @_;	2191	my ($self) = @_;
1989		2192
1990	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1991	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1992	# safety	2195	# safety
1993	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1994	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1995	}	2198	}
1996		2199
		2200	# called after loading the header from an original map
1997	sub prepare_orig {	2201	sub prepare_orig {
1998	my ($self) = @_;	2202	my ($self) = @_;
1999		2203
2000	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
2001	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2025		2229
2026	sub find;	2230	sub find;
2027	sub find {	2231	sub find {
2028	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
2029		2233
		2234	cf::cede_to_tick;
		2235
2030	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
2031		2237
2032	cf::lock_wait "map_data:$path";#d#remove	2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2033	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
2034		2240
2035	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
2036	my $guard1 = cf::lock_acquire "map_find:$path";
2037	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2038
2039	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
2040	or return;	2243	or return;
2041		2244
2042	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
2043		2246
…		…
2045	or return;	2248	or return;
2046		2249
2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2048	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
2049	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
2050	undef $guard1;	2254	undef $guard1;
2051	undef $guard2;
2052	$map->reset;	2255	$map->reset;
2053	return find $path;	2256	return find $path;
2054	}	2257	}
2055		2258
2056	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
2057	}	2260	}
2058	}	2261	}
2059		2262
2060	sub pre_load { }	2263	sub pre_load { }
2061	sub post_load { }	2264	#sub post_load { } # XS
2062		2265
2063	sub load {	2266	sub load {
2064	my ($self) = @_;	2267	my ($self) = @_;
2065		2268
2066	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2069		2272
2070	{	2273	{
2071	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
2072		2275
2073	return unless $self->valid;	2276	return unless $self->valid;
2074	return unless $self->in_memory == cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
2075
2076	$self->in_memory (cf::MAP_LOADING);
2077		2278
2078	$self->alloc;	2279	$self->alloc;
2079		2280
2080	$self->pre_load;	2281	$self->pre_load;
2081	cf::cede_to_tick;	2282	cf::cede_to_tick;
2082		2283
		2284	if (exists $self->{load_path}) {
2083	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
2084	$f->skip_block;	2286	$f->skip_block;
2085	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
2086	or return;	2288	or return;
2087		2289
2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
2089	if delete $self->{load_original};	2291	if delete $self->{load_original};
2090		2292
2091	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
2092	utf8::encode $uniq;	2294	utf8::encode $uniq;
2093	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
2094	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
2095	$self->clear_unique_items;	2297	$self->clear_unique_items;
2096	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
2097	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
2098	}	2301	}
2099	}	2302	}
2100	}
2101		2303
2102	$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);
2103		2311
2104	cf::cede_to_tick;	2312	cf::cede_to_tick;
2105	# now do the right thing for maps	2313	# now do the right thing for maps
2106	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
2107	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
2111	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
2112	$self->decay_objects;	2320	$self->decay_objects;
2113	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
2114	$self->update_buttons;	2322	$self->update_buttons;
2115	cf::cede_to_tick;	2323	cf::cede_to_tick;
2116	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
2117	cf::cede_to_tick;
2118	$self->activate;
2119	}	2325	}
2120		2326
2121	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
2122	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
2123
2124	$self->in_memory (cf::MAP_ACTIVE);
2125	}	2329	}
2126		2330
2127	$self->post_load;	2331	$self->post_load;
2128	}
2129		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
2130	sub customise_for {	2339	sub customise_for {
2131	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
2132		2341
2133	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
2134	if $self->per_player;	2343	if $self->per_player;
…		…
2137	# if $self->per_party;	2346	# if $self->per_party;
2138		2347
2139	$self	2348	$self
2140	}	2349	}
2141		2350
2142	# find and load all maps in the 3x3 area around a map
2143	sub load_neighbours {
2144	my ($map) = @_;
2145
2146	my @neigh; # diagonal neighbours
2147
2148	for (0 .. 3) {
2149	my $neigh = $map->tile_path ($_)
2150	or next;
2151	$neigh = find $neigh, $map
2152	or next;
2153	$neigh->load;
2154
2155	push @neigh,
2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2158	}
2159
2160	for (grep defined $_->[0], @neigh) {
2161	my ($path, $origin) = @$_;
2162	my $neigh = find $path, $origin
2163	or next;
2164	$neigh->load;
2165	}
2166	}
2167
2168	sub find_sync {	2351	sub find_sync {
2169	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
2170		2353
2171	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, $origin
2172	}	2359	}
2173		2360
2174	sub do_load_sync {	2361	sub do_load_sync {
2175	my ($map) = @_;	2362	my ($map) = @_;
2176		2363
		2364	# it's a bug to call this from the main context
2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2178	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
2179		2367
2180	cf::sync_job { $map->load };	2368	$map->load;
2181	}	2369	}
2182		2370
2183	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
2184	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
2185		2373
2186	sub find_async {	2374	sub find_async {
2187	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
2188		2376
2189	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2190		2378
2191	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2380	return $map if !$load || $map->linkable;
2193	}	2381	}
2194		2382
2195	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2196		2384
2197	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
…		…
2211	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2212		2400
2213	()	2401	()
2214	}	2402	}
2215		2403
		2404	# common code, used by both ->save and ->swapout
2216	sub save {	2405	sub _save {
2217	my ($self) = @_;	2406	my ($self) = @_;
2218
2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
2220		2407
2221	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2222		2409
2223	return unless $self->dirty;	2410	return unless $self->dirty;
2224		2411
…		…
2244	} else {	2431	} else {
2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2246	}	2433	}
2247	}	2434	}
2248		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2249	sub swap_out {	2444	sub swap_out {
2250	my ($self) = @_;	2445	my ($self) = @_;
2251		2446
2252	# save first because save cedes
2253	$self->save;
2254
2255	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2256		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2257	return if $self->players;	2451	return if $self->players;
2258	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
2259	return if $self->{deny_save};	2469	return 1e99 if $self->{deny_reset};
2260		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
2261	$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};
2262		2503
2263	$self->deactivate;	2504	$self->deactivate;
2264	$_->clear_links_to ($self) for values %cf::MAP;	2505	$_->clear_links_to ($self) for values %cf::MAP;
2265	$self->clear;	2506	$self->clear;
2266	}
2267
2268	sub reset_at {
2269	my ($self) = @_;
2270
2271	# TODO: safety, remove and allow resettable per-player maps
2272	return 1e99 if $self->{deny_reset};
2273
2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2275	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2276
2277	$time + $to
2278	}
2279
2280	sub should_reset {
2281	my ($self) = @_;
2282
2283	$self->reset_at <= $cf::RUNTIME
2284	}
2285
2286	sub reset {
2287	my ($self) = @_;
2288
2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
2290
2291	return if $self->players;
2292
2293	warn "resetting map ", $self->path;
2294
2295	$self->in_memory (cf::MAP_SWAPPED);
2296
2297	# need to save uniques path
2298	unless ($self->{deny_save}) {
2299	my $uniq = $self->uniq_path; utf8::encode $uniq;
2300
2301	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2302	if $uniq;
2303	}
2304
2305	delete $cf::MAP{$self->path};
2306
2307	$self->deactivate;
2308	$_->clear_links_to ($self) for values %cf::MAP;
2309	$self->clear;
2310		2507
2311	$self->unlink_save;	2508	$self->unlink_save;
2312	$self->destroy;	2509	$self->destroy;
2313	}	2510	}
2314		2511
…		…
2322		2519
2323	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2324		2521
2325	$self->unlink_save;	2522	$self->unlink_save;
2326		2523
2327	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2328	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2329	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2330	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2332		2529
…		…
2389	: normalise $_	2586	: normalise $_
2390	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2391	]	2588	]
2392	}	2589	}
2393		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
2394	=back	2623	=back
2395		2624
2396	=head3 cf::object	2625	=head3 cf::object
2397		2626
2398	=cut	2627	=cut
…		…
2421		2650
2422	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.
2423		2652
2424	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2425		2654
2426	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,
2427	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2428		2657
2429	=cut	2658	=cut
2430		2659
2431	sub deref {	2660	sub deref {
…		…
2463		2692
2464	our $SAY_CHANNEL = {	2693	our $SAY_CHANNEL = {
2465	id => "say",	2694	id => "say",
2466	title => "Map",	2695	title => "Map",
2467	reply => "say ",	2696	reply => "say ",
2468	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.",
2469	};	2698	};
2470		2699
2471	our $CHAT_CHANNEL = {	2700	our $CHAT_CHANNEL = {
2472	id => "chat",	2701	id => "chat",
2473	title => "Chat",	2702	title => "Chat",
…		…
2528		2757
2529	=item $player_object->enter_link	2758	=item $player_object->enter_link
2530		2759
2531	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}>).
2532		2761
2533	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.
2534	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.
2535		2766
2536	Will never block.	2767	Will never block.
2537		2768
2538	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2539		2770
…		…
2559	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2560	my ($self) = @_;	2791	my ($self) = @_;
2561		2792
2562	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2563		2794
		2795	++$self->{_link_recursion};
		2796
2564	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2565		2798
2566	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2567	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2568		2801
2569	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2570	}	2803	}
2571		2804
2572	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2573	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2574		2807
…		…
2591	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2592	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2593		2826
2594	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2595	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2596	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2597		2830
2598	$map->load;	2831	$map->load;
2599	$map->load_neighbours;
2600		2832
2601	return unless $self->contr->active;	2833	return unless $self->contr->active;
2602	$self->activate_recursive;
2603		2834
2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2605	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2606	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2607		2842
		2843	}
		2844
2608	=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)]])
2609		2846
2610	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
2611	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2612	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
2613	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
2614	be called at the end of this process.	2851	be called at the end of this process.
2615		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
2616	=cut	2856	=cut
2617		2857
2618	our $GOTOGEN;	2858	our $GOTOGEN;
2619		2859
2620	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2621	my ($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	}
2622		2868
2623	# 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
2624	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2625		2871
2626	$self->enter_link;	2872	$self->enter_link;
…		…
2646	($path, $x, $y) = (undef, undef, undef);	2892	($path, $x, $y) = (undef, undef, undef);
2647	}	2893	}
2648	}	2894	}
2649		2895
2650	my $map = eval {	2896	my $map = eval {
2651	my $map = defined $path ? cf::map::find $path : undef;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2652		2898
2653	if ($map) {	2899	if ($map) {
2654	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2655	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2656	} else {	2902	} else {
2657	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2658	}	2904	}
2659		2905
2660	$map	2906	$map
…		…
2668	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2669	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2670	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2671	}	2917	}
2672		2918
2673	$done->() if $done;	2919	$done->($self) if $done;
2674	})->prio (1);	2920	})->prio (1);
2675	}	2921	}
2676		2922
2677	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2678		2924
…		…
2698	}	2944	}
2699		2945
2700	sub prepare_random_map {	2946	sub prepare_random_map {
2701	my ($exit) = @_;	2947	my ($exit) = @_;
2702		2948
2703	my $guard = cf::lock_acquire "exit_prepare:$exit";
2704
2705	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
2706	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
2707	# that depends on the exit object	2951	# that depends on the exit object
2708		2952
2709	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2711	if ($exit->map) {	2955	if ($exit->map) {
2712	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2713	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2714	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2715	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2716	}	2962	}
2717		2963
2718	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2719		2965
2720	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
…		…
2724	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2725	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2726	undef $fh;	2972	undef $fh;
2727	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2728		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2729	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2730	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2731	}	2981	}
2732	}	2982	}
2733		2983
2734	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2735	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2736		2986
2737	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2738		2988
2739	if ($exit->slaying eq "/!") {
2740	#TODO: this should de-fi-ni-te-ly not be a sync-job
2741	# the problem is that $exit might not survive long enough
2742	# so it needs to be done right now, right here
2743	cf::sync_job { prepare_random_map $exit };
2744	}
2745
2746	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2747	my $hp = $exit->stats->hp;
2748	my $sp = $exit->stats->sp;
2749
2750	$self->enter_link;	2989	$self->enter_link;
2751		2990
2752	# if exit is damned, update players death & WoR home-position
2753	$self->contr->savebed ($slaying, $hp, $sp)
2754	if $exit->flag (FLAG_DAMNED);
2755
2756	(async {	2991	(async {
2757	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2992	$Coro::current->{desc} = "enter_exit";
2758		2993
2759	$self->deactivate_recursive; # just to be sure
2760	unless (eval {	2994	unless (eval {
		2995	$self->deactivate_recursive; # just to be sure
		2996
		2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2998	my $x = $exit->stats->hp;
		2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
		3023
2761	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2762		3025
		3026	# if exit is damned, update players death & WoR home-position
		3027	$self->contr->savebed ($map, $x, $y)
		3028	if $exit->flag (cf::FLAG_DAMNED);
		3029
2763	1;	3030	1
2764	}) {	3031	}) {
2765	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2766	. "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. "
2767	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2768	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2769		3036
2770	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2771	$self->leave_link;	3038	$self->leave_link;
2772	}	3039	}
2773	})->prio (1);	3040	})->prio (1);
2774	}	3041	}
2775		3042
2776	=head3 cf::client	3043	=head3 cf::client
2777		3044
2778	=over 4	3045	=over 4
2779		3046
2780	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2781		3048
2782	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2783	should not be used under normal circumstances.	3050	them as required.
2784		3051
2785	=cut	3052	=cut
2786		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
2787	sub cf::client::send_drawinfo {	3056	sub cf::client::send_big_packet {
2788	my ($self, $text, $flags) = @_;	3057	my ($self, $pkt) = @_;
2789		3058
2790	utf8::encode $text;	3059	# try lzf for large packets
2791	$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);
2792	}	3070	}
2793		3071
2794	=item $client->send_msg ($channel, $msg, $color, [extra...])	3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
2795		3073
2796	Send a drawinfo or msg packet to the client, formatting the msg for the	3074	Send a msg packet to the client, formatting the msg for the client if
2797	client if neccessary. C<$type> should be a string identifying the type of	3075	necessary. C<$type> should be a string identifying the type of the
2798	the message, with C<log> being the default. If C<$color> is negative, suppress	3076	message, with C<log> being the default. If C<$color> is negative, suppress
2799	the message unless the client supports the msg packet.	3077	the message unless the client supports the msg packet.
2800		3078
2801	=cut	3079	=cut
2802		3080
2803	# non-persistent channels (usually the info channel)	3081	# non-persistent channels (usually the info channel)
2804	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	},
2805	"c/identify" => {	3089	"c/identify" => {
2806	id => "infobox",	3090	id => "infobox",
2807	title => "Identify",	3091	title => "Identify",
2808	reply => undef,	3092	reply => undef,
2809	tooltip => "Items recently identified",	3093	tooltip => "Items recently identified",
…		…
2811	"c/examine" => {	3095	"c/examine" => {
2812	id => "infobox",	3096	id => "infobox",
2813	title => "Examine",	3097	title => "Examine",
2814	reply => undef,	3098	reply => undef,
2815	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",
2816	},	3106	},
2817	"c/book" => {	3107	"c/book" => {
2818	id => "infobox",	3108	id => "infobox",
2819	title => "Book",	3109	title => "Book",
2820	reply => undef,	3110	reply => undef,
…		…
2836	id => "infobox",	3126	id => "infobox",
2837	title => "Body Parts",	3127	title => "Body Parts",
2838	reply => undef,	3128	reply => undef,
2839	tooltip => "Shows which body parts you posess and are available",	3129	tooltip => "Shows which body parts you posess and are available",
2840	},	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	},
2841	"c/uptime" => {	3167	"c/uptime" => {
2842	id => "infobox",	3168	id => "infobox",
2843	title => "Uptime",	3169	title => "Uptime",
2844	reply => undef,	3170	reply => undef,
2845	tooltip => "How long the server has been running since last restart",	3171	tooltip => "How long the server has been running since last restart",
…		…
2854	id => "party",	3180	id => "party",
2855	title => "Party",	3181	title => "Party",
2856	reply => "gsay ",	3182	reply => "gsay ",
2857	tooltip => "Messages and chat related to your party",	3183	tooltip => "Messages and chat related to your party",
2858	},	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" => $CHAT_CHANNEL,
2859	);	3199	);
2860		3200
2861	sub cf::client::send_msg {	3201	sub cf::client::send_msg {
2862	my ($self, $channel, $msg, $color, @extra) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2863		3203
2864	$msg = $self->pl->expand_cfpod ($msg);	3204	$msg = $self->pl->expand_cfpod ($msg)
		3205	unless $color & cf::NDI_VERBATIM;
2865		3206
2866	$color &= cf::NDI_CLIENT_MASK; # just in case...	3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
2867		3208
2868	# check predefined channels, for the benefit of C	3209	# check predefined channels, for the benefit of C
2869	if ($CHANNEL{$channel}) {	3210	if ($CHANNEL{$channel}) {
2870	$channel = $CHANNEL{$channel};	3211	$channel = $CHANNEL{$channel};
2871		3212
2872	$self->ext_msg (channel_info => $channel)	3213	$self->ext_msg (channel_info => $channel);
2873	if $self->can_msg;
2874
2875	$channel = $channel->{id};	3214	$channel = $channel->{id};
2876		3215
2877	} elsif (ref $channel) {	3216	} elsif (ref $channel) {
2878	# send meta info to client, if not yet sent	3217	# send meta info to client, if not yet sent
2879	unless (exists $self->{channel}{$channel->{id}}) {	3218	unless (exists $self->{channel}{$channel->{id}}) {
2880	$self->{channel}{$channel->{id}} = $channel;	3219	$self->{channel}{$channel->{id}} = $channel;
2881	$self->ext_msg (channel_info => $channel)	3220	$self->ext_msg (channel_info => $channel);
2882	if $self->can_msg;
2883	}	3221	}
2884		3222
2885	$channel = $channel->{id};	3223	$channel = $channel->{id};
2886	}	3224	}
2887		3225
2888	return unless @extra || length $msg;	3226	return unless @extra || length $msg;
2889		3227
2890	if ($self->can_msg) {
2891	# default colour, mask it out	3228	# default colour, mask it out
2892	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2893	if $color & cf::NDI_DEF;	3230	if $color & cf::NDI_DEF;
2894		3231
2895	$self->send_packet ("msg " . $self->{json_coder}->encode (	3232	my $pkt = "msg "
		3233	. $self->{json_coder}->encode (
2896	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2897	} else {	3235	);
2898	if ($color >= 0) {
2899	# replace some tags by gcfclient-compatible ones
2900	for ($msg) {
2901	1 while
2902	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2903	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2904	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2905	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2906	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2907	}
2908		3236
2909	$color &= cf::NDI_COLOR_MASK;	3237	$self->send_big_packet ($pkt);
2910
2911	utf8::encode $msg;
2912
2913	if (0 && $msg =~ /\[/) {
2914	# COMMAND/INFO
2915	$self->send_packet ("drawextinfo $color 10 8 $msg")
2916	} else {
2917	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2918	$self->send_packet ("drawinfo $color $msg")
2919	}
2920	}
2921	}
2922	}	3238	}
2923		3239
2924	=item $client->ext_msg ($type, @msg)	3240	=item $client->ext_msg ($type, @msg)
2925		3241
2926	Sends an ext event to the client.	3242	Sends an ext event to the client.
…		…
2928	=cut	3244	=cut
2929		3245
2930	sub cf::client::ext_msg($$@) {	3246	sub cf::client::ext_msg($$@) {
2931	my ($self, $type, @msg) = @_;	3247	my ($self, $type, @msg) = @_;
2932		3248
2933	if ($self->extcmd == 2) {
2934	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2935	} elsif ($self->extcmd == 1) { # TODO: remove
2936	push @msg, msgtype => "event_$type";
2937	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2938	}
2939	}
2940
2941	=item $client->ext_reply ($msgid, @msg)
2942
2943	Sends an ext reply to the client.
2944
2945	=cut
2946
2947	sub cf::client::ext_reply($$@) {
2948	my ($self, $id, @msg) = @_;
2949
2950	if ($self->extcmd == 2) {
2951	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2952	} elsif ($self->extcmd == 1) {
2953	#TODO: version 1, remove
2954	unshift @msg, msgtype => "reply", msgid => $id;
2955	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2956	}
2957	}	3250	}
2958		3251
2959	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2960		3253
2961	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
…		…
2981		3274
2982	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2983	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
2984		3277
2985	1	3278	1
		3279	}
		3280
		3281	=item $client->update_command_faces
		3282
		3283	=cut
		3284
		3285	our %COMMAND_FACE;
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = grep $_,
		3291	$COMMAND_FACE{standard},
		3292	$COMMAND_FACE{emote},
		3293	$COMMAND_FACE{skill},
		3294	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3295	;
		3296
		3297	$self->send_face ($_)
		3298	for @faces;
		3299	$self->flush_fx;
		3300
		3301	$self->ext_msg (command_list => @faces);
		3302	}
		3303
		3304	=item cf::client::set_command_face $type, $commands
		3305
		3306	=cut
		3307
		3308	sub cf::client::set_command_face {
		3309	my ($type, $list) = @_;
		3310
		3311	my $idx = &cf::face::set ( #d# ugly forward reference
		3312	"command_list/$type" => cf::FT_RSRC,
		3313	JSON::XS->new->utf8->encode ([ sort @$list ])
		3314	);
		3315
		3316	$COMMAND_FACE{$type} = $idx;
2986	}	3317	}
2987		3318
2988	cf::client->attach (	3319	cf::client->attach (
2989	on_connect => sub {	3320	on_connect => sub {
2990	my ($ns) = @_;	3321	my ($ns) = @_;
…		…
3016	my ($ns, $buf) = @_;	3347	my ($ns, $buf) = @_;
3017		3348
3018	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3349	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3019		3350
3020	if (ref $msg) {	3351	if (ref $msg) {
3021	my ($type, $reply, @payload) =	3352	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3022	"ARRAY" eq ref $msg
3023	? @$msg
3024	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3025		3353
3026	my @reply;
3027
3028	if (my $cb = $EXTICMD{$type}) {	3354	if (my $cb = $EXTIACMD{$type}) {
		3355	$cb->(
		3356	$ns,
		3357	sub {
		3358	$ns->ext_msg ("reply-$reply", @_)
		3359	if $reply;
		3360	},
		3361	@payload
		3362	);
		3363	} else {
		3364	my @reply;
		3365
		3366	if (my $cb = $EXTICMD{$type}) {
3029	@reply = $cb->($ns, @payload);	3367	@reply = $cb->($ns, @payload);
		3368	}
		3369
		3370	$ns->ext_msg ("reply-$reply", @reply)
		3371	if $reply;
3030	}	3372	}
3031
3032	$ns->ext_reply ($reply, @reply)
3033	if $reply;
3034
3035	} else {	3373	} else {
3036	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3374	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3037	}	3375	}
3038		3376
3039	cf::override;	3377	cf::override;
3040	},	3378	},
3041	);	3379	);
…		…
3061		3399
3062	$coro	3400	$coro
3063	}	3401	}
3064		3402
3065	cf::client->attach (	3403	cf::client->attach (
3066	on_destroy => sub {	3404	on_client_destroy => sub {
3067	my ($ns) = @_;	3405	my ($ns) = @_;
3068		3406
3069	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3407	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3070	},	3408	},
3071	);	3409	);
…		…
3087	our $safe_hole = new Safe::Hole;	3425	our $safe_hole = new Safe::Hole;
3088		3426
3089	$SIG{FPE} = 'IGNORE';	3427	$SIG{FPE} = 'IGNORE';
3090		3428
3091	$safe->permit_only (Opcode::opset qw(	3429	$safe->permit_only (Opcode::opset qw(
3092	:base_core :base_mem :base_orig :base_math	3430	:base_core :base_mem :base_orig :base_math :base_loop
3093	grepstart grepwhile mapstart mapwhile	3431	grepstart grepwhile mapstart mapwhile
3094	sort time	3432	sort time
3095	));	3433	));
3096		3434
3097	# here we export the classes and methods available to script code	3435	# here we export the classes and methods available to script code
…		…
3101	The following functions and methods are available within a safe environment:	3439	The following functions and methods are available within a safe environment:
3102		3440
3103	cf::object	3441	cf::object
3104	contr pay_amount pay_player map x y force_find force_add destroy	3442	contr pay_amount pay_player map x y force_find force_add destroy
3105	insert remove name archname title slaying race decrease split	3443	insert remove name archname title slaying race decrease split
		3444	value
3106		3445
3107	cf::object::player	3446	cf::object::player
3108	player	3447	player
3109		3448
3110	cf::player	3449	cf::player
…		…
3115		3454
3116	=cut	3455	=cut
3117		3456
3118	for (	3457	for (
3119	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3458	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3120	insert remove inv name archname title slaying race	3459	insert remove inv nrof name archname title slaying race
3121	decrease split destroy)],	3460	decrease split destroy change_exp value msg lore send_msg)],
3122	["cf::object::player" => qw(player)],	3461	["cf::object::player" => qw(player)],
3123	["cf::player" => qw(peaceful)],	3462	["cf::player" => qw(peaceful send_msg)],
3124	["cf::map" => qw(trigger)],	3463	["cf::map" => qw(trigger)],
3125	) {	3464	) {
3126	no strict 'refs';
3127	my ($pkg, @funs) = @$_;	3465	my ($pkg, @funs) = @$_;
3128	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3466	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3129	for @funs;	3467	for @funs;
3130	}	3468	}
3131		3469
…		…
3146		3484
3147	my $qcode = $code;	3485	my $qcode = $code;
3148	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3486	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3149	$qcode =~ s/\n/\\n/g;	3487	$qcode =~ s/\n/\\n/g;
3150		3488
		3489	%vars = (_dummy => 0) unless %vars;
		3490
		3491	my @res;
3151	local $_;	3492	local $_;
3152	local @safe::cf::_safe_eval_args = values %vars;
3153		3493
3154	my $eval =	3494	my $eval =
3155	"do {\n"	3495	"do {\n"
3156	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3496	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3157	. "#line 0 \"{$qcode}\"\n"	3497	. "#line 0 \"{$qcode}\"\n"
3158	. $code	3498	. $code
3159	. "\n}"	3499	. "\n}"
3160	;	3500	;
3161		3501
		3502	if ($CFG{safe_eval}) {
3162	sub_generation_inc;	3503	sub_generation_inc;
		3504	local @safe::cf::_safe_eval_args = values %vars;
3163	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3505	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3164	sub_generation_inc;	3506	sub_generation_inc;
		3507	} else {
		3508	local @cf::_safe_eval_args = values %vars;
		3509	@res = wantarray ? eval eval : scalar eval $eval;
		3510	}
3165		3511
3166	if ($@) {	3512	if ($@) {
3167	warn "$@";	3513	warn "$@",
3168	warn "while executing safe code '$code'\n";	3514	"while executing safe code '$code'\n",
3169	warn "with arguments " . (join " ", %vars) . "\n";	3515	"with arguments " . (join " ", %vars) . "\n";
3170	}	3516	}
3171		3517
3172	wantarray ? @res : $res[0]	3518	wantarray ? @res : $res[0]
3173	}	3519	}
3174		3520
…		…
3188	=cut	3534	=cut
3189		3535
3190	sub register_script_function {	3536	sub register_script_function {
3191	my ($fun, $cb) = @_;	3537	my ($fun, $cb) = @_;
3192		3538
3193	no strict 'refs';	3539	$fun = "safe::$fun" if $CFG{safe_eval};
3194	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3540	*$fun = $safe_hole->wrap ($cb);
3195	}	3541	}
3196		3542
3197	=back	3543	=back
3198		3544
3199	=cut	3545	=cut
3200		3546
3201	#############################################################################	3547	#############################################################################
3202	# the server's init and main functions	3548	# the server's init and main functions
3203		3549
		3550	{
		3551	package cf::face;
		3552
		3553	our %HASH; # hash => idx
		3554	our @DATA; # dynamically-created facedata, only faceste 0 used
		3555	our @FOFS; # file offset, if > 0
		3556	our @SIZE; # size of face, in octets
		3557	our @META; # meta hash of face, if any
		3558	our $DATAFH; # facedata filehandle
		3559
		3560	# internal api, not finalised
		3561	sub set {
		3562	my ($name, $type, $data) = @_;
		3563
		3564	my $idx = cf::face::find $name;
		3565
		3566	if ($idx) {
		3567	delete $HASH{cf::face::get_csum $idx};
		3568	} else {
		3569	$idx = cf::face::alloc $name;
		3570	}
		3571
		3572	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3573
		3574	cf::face::set_type $idx, $type;
		3575	cf::face::set_csum $idx, 0, $hash;
		3576
		3577	# we need to destroy the SV itself, not just modify it, as a running ix
		3578	# might hold a reference to it: "delete" achieves that.
		3579	delete $FOFS[0][$idx];
		3580	delete $DATA[0][$idx];
		3581	$DATA[0][$idx] = $data;
		3582	$SIZE[0][$idx] = length $data;
		3583	delete $META[$idx];
		3584	$HASH{$hash} = $idx;#d#
		3585
		3586	$idx
		3587	}
		3588
		3589	sub _get_data($$$) {
		3590	my ($idx, $set, $cb) = @_;
		3591
		3592	if (defined $DATA[$set][$idx]) {
		3593	$cb->($DATA[$set][$idx]);
		3594	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3595	my $size = $SIZE[$set][$idx];
		3596	my $buf;
		3597	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3598	if ($_[0] == $size) {
		3599	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3600	$cb->($buf);
		3601	} else {
		3602	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3603	}
		3604	};
		3605	} else {
		3606	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3607	}
		3608	}
		3609
		3610	# rather ineffient
		3611	sub cf::face::get_data($;$) {
		3612	my ($idx, $set) = @_;
		3613
		3614	_get_data $idx, $set, Coro::rouse_cb;
		3615	Coro::rouse_wait
		3616	}
		3617
		3618	sub cf::face::ix {
		3619	my ($ns, $set, $idx, $pri) = @_;
		3620
		3621	_get_data $idx, $set, sub {
		3622	$ns->ix_send ($idx, $pri, $_[0]);
		3623	};
		3624	}
		3625	}
		3626
3204	sub load_facedata($) {	3627	sub load_facedata($) {
3205	my ($path) = @_;	3628	my ($path) = @_;
3206		3629
3207	# HACK to clear player env face cache, we need some signal framework
3208	# for this (global event?)
3209	%ext::player_env::MUSIC_FACE_CACHE = ();
3210
3211	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3630	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3212		3631
3213	warn "loading facedata from $path\n";	3632	trace "loading facedata from $path\n";
3214		3633
3215	my $facedata;	3634	my $facedata = decode_storable load_file "$path/faceinfo";
3216	0 < aio_load $path, $facedata
3217	or die "$path: $!";
3218
3219	$facedata = Coro::Storable::thaw $facedata;
3220		3635
3221	$facedata->{version} == 2	3636	$facedata->{version} == 2
3222	or cf::cleanup "$path: version mismatch, cannot proceed.";	3637	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3223		3638
3224	# patch in the exptable	3639	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3225	$facedata->{resource}{"res/exp_table"} = {	3640	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3226	type => FT_RSRC,	3641
3227	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3642	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3228	};	3643
3229	cf::cede_to_tick;	3644	# BEGIN ATOMIC
		3645	# from here on, everything must be atomic - no thread switch allowed
		3646	my $t1 = EV::time;
3230		3647
3231	{	3648	{
3232	my $faces = $facedata->{faceinfo};	3649	my $faces = $facedata->{faceinfo};
3233		3650
3234	while (my ($face, $info) = each %$faces) {	3651	for my $face (sort keys %$faces) {
		3652	my $info = $faces->{$face};
3235	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3653	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3236		3654
3237	cf::face::set_visibility $idx, $info->{visibility};	3655	cf::face::set_visibility $idx, $info->{visibility};
3238	cf::face::set_magicmap $idx, $info->{magicmap};	3656	cf::face::set_magicmap $idx, $info->{magicmap};
3239	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3657	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3240	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3658	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3241		3659	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3242	cf::cede_to_tick;	3660	$cf::face::HASH{$info->{hash64}} = $idx;
		3661	delete $cf::face::META[$idx];
3243	}	3662	}
3244		3663
3245	while (my ($face, $info) = each %$faces) {	3664	while (my ($face, $info) = each %$faces) {
3246	next unless $info->{smooth};	3665	next unless $info->{smooth};
3247		3666
…		…
3250		3669
3251	if (my $smooth = cf::face::find $info->{smooth}) {	3670	if (my $smooth = cf::face::find $info->{smooth}) {
3252	cf::face::set_smooth $idx, $smooth;	3671	cf::face::set_smooth $idx, $smooth;
3253	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3672	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3254	} else {	3673	} else {
3255	warn "smooth face '$info->{smooth}' not found for face '$face'";	3674	error "smooth face '$info->{smooth}' not found for face '$face'";
3256	}	3675	}
3257
3258	cf::cede_to_tick;
3259	}	3676	}
3260	}	3677	}
3261		3678
3262	{	3679	{
3263	my $anims = $facedata->{animinfo};	3680	my $anims = $facedata->{animinfo};
3264		3681
3265	while (my ($anim, $info) = each %$anims) {	3682	while (my ($anim, $info) = each %$anims) {
3266	cf::anim::set $anim, $info->{frames}, $info->{facings};	3683	cf::anim::set $anim, $info->{frames}, $info->{facings};
3267	cf::cede_to_tick;
3268	}	3684	}
3269		3685
3270	cf::anim::invalidate_all; # d'oh	3686	cf::anim::invalidate_all; # d'oh
3271	}	3687	}
3272		3688
3273	{	3689	{
3274	# TODO: for gcfclient pleasure, we should give resources
3275	# that gcfclient doesn't grok a >10000 face index.
3276	my $res = $facedata->{resource};	3690	my $res = $facedata->{resource};
3277		3691
3278	while (my ($name, $info) = each %$res) {	3692	while (my ($name, $info) = each %$res) {
3279	if (defined $info->{type}) {	3693	if (defined (my $type = $info->{type})) {
		3694	# TODO: different hash - must free and use new index, or cache ixface data queue
3280	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3695	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3281	my $data;
3282		3696
3283	if ($info->{type} & 1) {
3284	# prepend meta info
3285
3286	my $meta = $enc->encode ({
3287	name => $name,
3288	%{ $info->{meta} || {} },
3289	});
3290
3291	$data = pack "(w/a*)*", $meta, $info->{data};
3292	} else {
3293	$data = $info->{data};
3294	}
3295
3296	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3297	cf::face::set_type $idx, $info->{type};	3697	cf::face::set_type $idx, $type;
		3698	cf::face::set_csum $idx, 0, $info->{hash};
		3699	$cf::face::SIZE[0][$idx] = $info->{size};
		3700	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3701	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3702	$cf::face::HASH{$info->{hash}} = $idx;
3298	} else {	3703	} else {
3299	$RESOURCE{$name} = $info;	3704	# $RESOURCE{$name} = $info; # unused
3300	}	3705	}
3301
3302	cf::cede_to_tick;
3303	}	3706	}
3304	}	3707	}
		3708
		3709	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3710
		3711	# HACK to clear player env face cache, we need some signal framework
		3712	# for this (global event?)
		3713	%ext::player_env::MUSIC_FACE_CACHE = ();
		3714
		3715	# END ATOMIC
		3716
		3717	cf::debug "facedata atomic update time ", EV::time - $t1;
3305		3718
3306	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3719	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3307		3720
		3721	aio_close $fh if $fh; # close old facedata
		3722
3308	1	3723	1
3309	}	3724	}
3310
3311	cf::global->attach (on_resource_update => sub {
3312	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3313	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3314
3315	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3316	my $sound = $soundconf->{compat}[$_]
3317	or next;
3318
3319	my $face = cf::face::find "sound/$sound->[1]";
3320	cf::sound::set $sound->[0] => $face;
3321	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3322	}
3323
3324	while (my ($k, $v) = each %{$soundconf->{event}}) {
3325	my $face = cf::face::find "sound/$v";
3326	cf::sound::set $k => $face;
3327	}
3328	}
3329	});
3330		3725
3331	register_exticmd fx_want => sub {	3726	register_exticmd fx_want => sub {
3332	my ($ns, $want) = @_;	3727	my ($ns, $want) = @_;
3333		3728
3334	while (my ($k, $v) = each %$want) {	3729	while (my ($k, $v) = each %$want) {
…		…
3342	my $status = load_resource_file_ $_[0];	3737	my $status = load_resource_file_ $_[0];
3343	get_slot 0.1, 100;	3738	get_slot 0.1, 100;
3344	cf::arch::commit_load;	3739	cf::arch::commit_load;
3345		3740
3346	$status	3741	$status
		3742	}
		3743
		3744	sub reload_exp_table {
		3745	_reload_exp_table;
		3746
		3747	cf::face::set
		3748	"res/exp_table" => FT_RSRC,
		3749	JSON::XS->new->utf8->canonical->encode (
		3750	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3751	);
		3752	}
		3753
		3754	sub reload_materials {
		3755	_reload_materials;
3347	}	3756	}
3348		3757
3349	sub reload_regions {	3758	sub reload_regions {
3350	# HACK to clear player env face cache, we need some signal framework	3759	# HACK to clear player env face cache, we need some signal framework
3351	# for this (global event?)	3760	# for this (global event?)
…		…
3359	if exists $_->{match};	3768	if exists $_->{match};
3360	}	3769	}
3361	}	3770	}
3362		3771
3363	sub reload_facedata {	3772	sub reload_facedata {
3364	load_facedata "$DATADIR/facedata"	3773	load_facedata $DATADIR
3365	or die "unable to load facedata\n";	3774	or die "unable to load facedata\n";
3366	}	3775	}
3367		3776
3368	sub reload_archetypes {	3777	sub reload_archetypes {
3369	load_resource_file "$DATADIR/archetypes"	3778	load_resource_file "$DATADIR/archetypes"
3370	or die "unable to load archetypes\n";	3779	or die "unable to load archetypes\n";
		3780
		3781	cf::face::set
		3782	"res/skill_info" => FT_RSRC,
		3783	JSON::XS->new->utf8->canonical->encode (
		3784	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3785	);
		3786
		3787	cf::face::set
		3788	"res/spell_paths" => FT_RSRC,
		3789	JSON::XS->new->utf8->canonical->encode (
		3790	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3791	);
3371	}	3792	}
3372		3793
3373	sub reload_treasures {	3794	sub reload_treasures {
3374	load_resource_file "$DATADIR/treasures"	3795	load_resource_file "$DATADIR/treasures"
3375	or die "unable to load treasurelists\n";	3796	or die "unable to load treasurelists\n";
3376	}	3797	}
3377		3798
		3799	sub reload_sound {
		3800	trace "loading sound config from $DATADIR/sound\n";
		3801
		3802	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3803
		3804	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3805	my $sound = $soundconf->{compat}[$_]
		3806	or next;
		3807
		3808	my $face = cf::face::find "sound/$sound->[1]";
		3809	cf::sound::set $sound->[0] => $face;
		3810	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3811	}
		3812
		3813	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3814	my $face = cf::face::find "sound/$v";
		3815	cf::sound::set $k => $face;
		3816	}
		3817	}
		3818
3378	sub reload_resources {	3819	sub reload_resources {
3379	warn "reloading resource files...\n";	3820	trace "reloading resource files...\n";
3380		3821
		3822	reload_materials;
3381	reload_facedata;	3823	reload_facedata;
		3824	reload_exp_table;
		3825	reload_sound;
3382	reload_archetypes;	3826	reload_archetypes;
3383	reload_regions;	3827	reload_regions;
3384	reload_treasures;	3828	reload_treasures;
3385		3829
3386	warn "finished reloading resource files\n";	3830	trace "finished reloading resource files\n";
3387	}
3388
3389	sub init {
3390	my $guard = freeze_mainloop;
3391
3392	reload_resources;
3393	}	3831	}
3394		3832
3395	sub reload_config {	3833	sub reload_config {
3396	open my $fh, "<:utf8", "$CONFDIR/config"	3834	trace "reloading config file...\n";
3397	or return;
3398		3835
3399	local $/;	3836	my $config = load_file "$CONFDIR/config";
3400	*CFG = YAML::Load <$fh>;	3837	utf8::decode $config;
		3838	*CFG = decode_yaml $config;
3401		3839
3402	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3840	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3403		3841
3404	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3842	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3405	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3843	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3406		3844
3407	if (exists $CFG{mlockall}) {	3845	if (exists $CFG{mlockall}) {
…		…
3411	};	3849	};
3412	warn $@ if $@;	3850	warn $@ if $@;
3413	}	3851	}
3414	}	3852	}
3415		3853
		3854	sub pidfile() {
		3855	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3856	or die "$PIDFILE: $!";
		3857	flock $fh, &Fcntl::LOCK_EX
		3858	or die "$PIDFILE: flock: $!";
		3859	$fh
		3860	}
		3861
		3862	# make sure only one server instance is running at any one time
		3863	sub atomic {
		3864	my $fh = pidfile;
		3865
		3866	my $pid = <$fh>;
		3867	kill 9, $pid if $pid > 0;
		3868
		3869	seek $fh, 0, 0;
		3870	print $fh $$;
		3871	}
		3872
		3873	sub main_loop {
		3874	trace "EV::loop starting\n";
		3875	if (1) {
		3876	EV::loop;
		3877	}
		3878	trace "EV::loop returned\n";
		3879	goto &main_loop unless $REALLY_UNLOOP;
		3880	}
		3881
3416	sub main {	3882	sub main {
		3883	cf::init_globals; # initialise logging
		3884
		3885	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3886	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3887	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3888	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3889
		3890	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3891
3417	# we must not ever block the main coroutine	3892	# we must not ever block the main coroutine
3418	local $Coro::idle = sub {	3893	$Coro::idle = sub {
3419	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3894	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3420	(async {	3895	(async {
3421	$Coro::current->{desc} = "IDLE BUG HANDLER";	3896	$Coro::current->{desc} = "IDLE BUG HANDLER";
3422	EV::loop EV::LOOP_ONESHOT;	3897	EV::loop EV::LOOP_ONESHOT;
3423	})->prio (Coro::PRIO_MAX);	3898	})->prio (Coro::PRIO_MAX);
3424	};	3899	};
3425		3900
3426	{	3901	evthread_start IO::AIO::poll_fileno;
3427	my $guard = freeze_mainloop;	3902
		3903	cf::sync_job {
		3904	cf::incloader::init ();
		3905
		3906	db_init;
		3907
		3908	cf::init_anim;
		3909	cf::init_attackmess;
		3910	cf::init_dynamic;
		3911
		3912	cf::load_settings;
		3913
		3914	reload_resources;
3428	reload_config;	3915	reload_config;
3429	db_init;	3916
		3917	cf::init_uuid;
		3918	cf::init_signals;
		3919	cf::init_skills;
		3920
		3921	cf::init_beforeplay;
		3922
		3923	atomic;
		3924
3430	load_extensions;	3925	load_extensions;
3431		3926
3432	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3927	utime time, time, $RUNTIMEFILE;
3433	evthread_start IO::AIO::poll_fileno;	3928
		3929	# no (long-running) fork's whatsoever before this point(!)
		3930	use POSIX ();
		3931	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3932
		3933	cf::_post_init 0;
3434	}	3934	};
3435		3935
3436	EV::loop;	3936	cf::object::thawer::errors_are_fatal 0;
		3937	info "parse errors in files are no longer fatal from this point on.\n";
		3938
		3939	AE::postpone {
		3940	undef &main; # free gobs of memory :)
		3941	};
		3942
		3943	goto &main_loop;
3437	}	3944	}
3438		3945
3439	#############################################################################	3946	#############################################################################
3440	# initialisation and cleanup	3947	# initialisation and cleanup
3441		3948
3442	# install some emergency cleanup handlers	3949	# install some emergency cleanup handlers
3443	BEGIN {	3950	BEGIN {
3444	our %SIGWATCHER = ();	3951	our %SIGWATCHER = ();
3445	for my $signal (qw(INT HUP TERM)) {	3952	for my $signal (qw(INT HUP TERM)) {
3446	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3953	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3447	cf::cleanup "SIG$signal";	3954	cf::cleanup "SIG$signal";
3448	};	3955	};
3449	}	3956	}
3450	}	3957	}
3451		3958
3452	sub write_runtime_sync {	3959	sub write_runtime_sync {
3453	my $runtime = "$LOCALDIR/runtime";	3960	my $t0 = AE::time;
3454		3961
3455	# first touch the runtime file to show we are still running:	3962	# first touch the runtime file to show we are still running:
3456	# the fsync below can take a very very long time.	3963	# the fsync below can take a very very long time.
3457		3964
3458	IO::AIO::aio_utime $runtime, undef, undef;	3965	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3459		3966
3460	my $guard = cf::lock_acquire "write_runtime";	3967	my $guard = cf::lock_acquire "write_runtime";
3461		3968
3462	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3969	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3463	or return;	3970	or return;
3464		3971
3465	my $value = $cf::RUNTIME + 90 + 10;	3972	my $value = $cf::RUNTIME + 90 + 10;
3466	# 10 is the runtime save interval, for a monotonic clock	3973	# 10 is the runtime save interval, for a monotonic clock
3467	# 60 allows for the watchdog to kill the server.	3974	# 60 allows for the watchdog to kill the server.
…		…
3477	aio_utime $fh, undef, undef;	3984	aio_utime $fh, undef, undef;
3478		3985
3479	close $fh	3986	close $fh
3480	or return;	3987	or return;
3481		3988
3482	aio_rename "$runtime~", $runtime	3989	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3483	and return;	3990	and return;
3484		3991
3485	warn "runtime file written.\n";	3992	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3486		3993
3487	1	3994	1
3488	}	3995	}
3489		3996
3490	our $uuid_lock;	3997	our $uuid_lock;
…		…
3499	my $uuid = "$LOCALDIR/uuid";	4006	my $uuid = "$LOCALDIR/uuid";
3500		4007
3501	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	4008	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3502	or return;	4009	or return;
3503		4010
3504	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	4011	my $value = uuid_seq uuid_cur;
		4012
		4013	unless ($value) {
		4014	info "cowardly refusing to write zero uuid value!\n";
		4015	return;
		4016	}
		4017
		4018	my $value = uuid_str $value + $uuid_skip;
3505	$uuid_skip = 0;	4019	$uuid_skip = 0;
3506		4020
3507	(aio_write $fh, 0, (length $value), $value, 0) <= 0	4021	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3508	and return;	4022	and return;
3509		4023
…		…
3515	or return;	4029	or return;
3516		4030
3517	aio_rename "$uuid~", $uuid	4031	aio_rename "$uuid~", $uuid
3518	and return;	4032	and return;
3519		4033
3520	warn "uuid file written ($value).\n";	4034	trace "uuid file written ($value).\n";
3521		4035
3522	1	4036	1
3523		4037
3524	}	4038	}
3525		4039
…		…
3531	}	4045	}
3532		4046
3533	sub emergency_save() {	4047	sub emergency_save() {
3534	my $freeze_guard = cf::freeze_mainloop;	4048	my $freeze_guard = cf::freeze_mainloop;
3535		4049
3536	warn "enter emergency perl save\n";	4050	info "emergency_perl_save: enter\n";
		4051
		4052	# this is a trade-off: we want to be very quick here, so
		4053	# save all maps without fsync, and later call a global sync
		4054	# (which in turn might be very very slow)
		4055	local $USE_FSYNC = 0;
3537		4056
3538	cf::sync_job {	4057	cf::sync_job {
		4058	cf::write_runtime_sync; # external watchdog should not bark
		4059
3539	# use a peculiar iteration method to avoid tripping on perl	4060	# use a peculiar iteration method to avoid tripping on perl
3540	# refcount bugs in for. also avoids problems with players	4061	# refcount bugs in for. also avoids problems with players
3541	# and maps saved/destroyed asynchronously.	4062	# and maps saved/destroyed asynchronously.
3542	warn "begin emergency player save\n";	4063	info "emergency_perl_save: begin player save\n";
3543	for my $login (keys %cf::PLAYER) {	4064	for my $login (keys %cf::PLAYER) {
3544	my $pl = $cf::PLAYER{$login} or next;	4065	my $pl = $cf::PLAYER{$login} or next;
3545	$pl->valid or next;	4066	$pl->valid or next;
3546	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4067	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3547	$pl->save;	4068	$pl->save;
3548	}	4069	}
3549	warn "end emergency player save\n";	4070	info "emergency_perl_save: end player save\n";
3550		4071
3551	warn "begin emergency map save\n";	4072	cf::write_runtime_sync; # external watchdog should not bark
		4073
		4074	info "emergency_perl_save: begin map save\n";
3552	for my $path (keys %cf::MAP) {	4075	for my $path (keys %cf::MAP) {
3553	my $map = $cf::MAP{$path} or next;	4076	my $map = $cf::MAP{$path} or next;
3554	$map->valid or next;	4077	$map->valid or next;
3555	$map->save;	4078	$map->save;
3556	}	4079	}
3557	warn "end emergency map save\n";	4080	info "emergency_perl_save: end map save\n";
3558		4081
3559	warn "begin emergency database checkpoint\n";	4082	cf::write_runtime_sync; # external watchdog should not bark
		4083
		4084	info "emergency_perl_save: begin database checkpoint\n";
3560	BDB::db_env_txn_checkpoint $DB_ENV;	4085	BDB::db_env_txn_checkpoint $DB_ENV;
3561	warn "end emergency database checkpoint\n";	4086	info "emergency_perl_save: end database checkpoint\n";
3562		4087
3563	warn "begin write uuid\n";	4088	info "emergency_perl_save: begin write uuid\n";
3564	write_uuid_sync 1;	4089	write_uuid_sync 1;
3565	warn "end write uuid\n";	4090	info "emergency_perl_save: end write uuid\n";
		4091
		4092	cf::write_runtime_sync; # external watchdog should not bark
		4093
		4094	trace "emergency_perl_save: syncing database to disk";
		4095	BDB::db_env_txn_checkpoint $DB_ENV;
		4096
		4097	info "emergency_perl_save: starting sync\n";
		4098	IO::AIO::aio_sync sub {
		4099	info "emergency_perl_save: finished sync\n";
		4100	};
		4101
		4102	cf::write_runtime_sync; # external watchdog should not bark
		4103
		4104	trace "emergency_perl_save: flushing outstanding aio requests";
		4105	while (IO::AIO::nreqs || BDB::nreqs) {
		4106	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4107	}
		4108
		4109	cf::write_runtime_sync; # external watchdog should not bark
3566	};	4110	};
3567		4111
3568	warn "leave emergency perl save\n";	4112	info "emergency_perl_save: leave\n";
3569	}	4113	}
3570		4114
3571	sub post_cleanup {	4115	sub post_cleanup {
3572	my ($make_core) = @_;	4116	my ($make_core) = @_;
3573		4117
		4118	IO::AIO::flush;
		4119
3574	warn Carp::longmess "post_cleanup backtrace"	4120	error Carp::longmess "post_cleanup backtrace"
3575	if $make_core;	4121	if $make_core;
		4122
		4123	my $fh = pidfile;
		4124	unlink $PIDFILE if <$fh> == $$;
		4125	}
		4126
		4127	# a safer delete_package, copied from Symbol
		4128	sub clear_package($) {
		4129	my $pkg = shift;
		4130
		4131	# expand to full symbol table name if needed
		4132	unless ($pkg =~ /^main::.*::$/) {
		4133	$pkg = "main$pkg" if $pkg =~ /^::/;
		4134	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4135	$pkg .= '::' unless $pkg =~ /::$/;
		4136	}
		4137
		4138	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4139	my $stem_symtab = *{$stem}{HASH};
		4140
		4141	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4142	or return;
		4143
		4144	# clear all symbols
		4145	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4146	for my $name (keys %$leaf_symtab) {
		4147	_gv_clear *{"$pkg$name"};
		4148	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4149	}
3576	}	4150	}
3577		4151
3578	sub do_reload_perl() {	4152	sub do_reload_perl() {
3579	# can/must only be called in main	4153	# can/must only be called in main
3580	if ($Coro::current != $Coro::main) {	4154	unless (in_main) {
3581	warn "can only reload from main coroutine";	4155	error "can only reload from main coroutine";
3582	return;	4156	return;
3583	}	4157	}
3584		4158
3585	warn "reloading...";	4159	return if $RELOAD++;
3586		4160
3587	warn "entering sync_job";	4161	my $t1 = AE::time;
3588		4162
		4163	while ($RELOAD) {
		4164	cf::get_slot 0.1, -1, "reload_perl";
		4165	info "perl_reload: reloading...";
		4166
		4167	trace "perl_reload: entering sync_job";
		4168
3589	cf::sync_job {	4169	cf::sync_job {
3590	cf::write_runtime_sync; # external watchdog should not bark
3591	cf::emergency_save;	4170	#cf::emergency_save;
3592	cf::write_runtime_sync; # external watchdog should not bark
3593		4171
3594	warn "syncing database to disk";
3595	BDB::db_env_txn_checkpoint $DB_ENV;
3596
3597	# if anything goes wrong in here, we should simply crash as we already saved
3598
3599	warn "flushing outstanding aio requests";
3600	for (;;) {
3601	BDB::flush;
3602	IO::AIO::flush;
3603	Coro::cede_notself;
3604	last unless IO::AIO::nreqs || BDB::nreqs;
3605	warn "iterate...";
3606	}
3607
3608	++$RELOAD;
3609
3610	warn "cancelling all extension coros";	4172	trace "perl_reload: cancelling all extension coros";
3611	$_->cancel for values %EXT_CORO;	4173	$_->cancel for values %EXT_CORO;
3612	%EXT_CORO = ();	4174	%EXT_CORO = ();
3613		4175
3614	warn "removing commands";	4176	trace "perl_reload: removing commands";
3615	%COMMAND = ();	4177	%COMMAND = ();
3616		4178
3617	warn "removing ext/exti commands";	4179	trace "perl_reload: removing ext/exti commands";
3618	%EXTCMD = ();	4180	%EXTCMD = ();
3619	%EXTICMD = ();	4181	%EXTICMD = ();
3620		4182
3621	warn "unloading/nuking all extensions";	4183	trace "perl_reload: unloading/nuking all extensions";
3622	for my $pkg (@EXTS) {	4184	for my $pkg (@EXTS) {
3623	warn "... unloading $pkg";	4185	trace "... unloading $pkg";
3624		4186
3625	if (my $cb = $pkg->can ("unload")) {	4187	if (my $cb = $pkg->can ("unload")) {
3626	eval {	4188	eval {
3627	$cb->($pkg);	4189	$cb->($pkg);
3628	1	4190	1
3629	} or warn "$pkg unloaded, but with errors: $@";	4191	} or error "$pkg unloaded, but with errors: $@";
		4192	}
		4193
		4194	trace "... clearing $pkg";
		4195	clear_package $pkg;
3630	}	4196	}
3631		4197
3632	warn "... nuking $pkg";
3633	Symbol::delete_package $pkg;
3634	}
3635
3636	warn "unloading all perl modules loaded from $LIBDIR";	4198	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3637	while (my ($k, $v) = each %INC) {	4199	while (my ($k, $v) = each %INC) {
3638	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4200	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3639		4201
3640	warn "... unloading $k";	4202	trace "... unloading $k";
3641	delete $INC{$k};	4203	delete $INC{$k};
3642		4204
3643	$k =~ s/\.pm$//;	4205	$k =~ s/\.pm$//;
3644	$k =~ s/\//::/g;	4206	$k =~ s/\//::/g;
3645		4207
3646	if (my $cb = $k->can ("unload_module")) {	4208	if (my $cb = $k->can ("unload_module")) {
3647	$cb->();	4209	$cb->();
		4210	}
		4211
		4212	clear_package $k;
3648	}	4213	}
3649		4214
3650	Symbol::delete_package $k;
3651	}
3652
3653	warn "getting rid of safe::, as good as possible";	4215	trace "perl_reload: getting rid of safe::, as good as possible";
3654	Symbol::delete_package "safe::$_"	4216	clear_package "safe::$_"
3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4217	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3656		4218
3657	warn "unloading cf.pm \"a bit\"";	4219	trace "perl_reload: unloading cf.pm \"a bit\"";
3658	delete $INC{"cf.pm"};	4220	delete $INC{"cf.pm"};
3659	delete $INC{"cf/pod.pm"};	4221	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3660		4222
3661	# don't, removes xs symbols, too,	4223	# don't, removes xs symbols, too,
3662	# and global variables created in xs	4224	# and global variables created in xs
3663	#Symbol::delete_package __PACKAGE__;	4225	#clear_package __PACKAGE__;
3664		4226
3665	warn "unload completed, starting to reload now";	4227	info "perl_reload: unload completed, starting to reload now";
3666		4228
3667	warn "reloading cf.pm";	4229	trace "perl_reload: reloading cf.pm";
3668	require cf;	4230	require cf;
3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4231	cf::_connect_to_perl_1;
3670		4232
3671	warn "loading config and database again";	4233	trace "perl_reload: loading config and database again";
3672	cf::reload_config;	4234	cf::reload_config;
3673		4235
3674	warn "loading extensions";	4236	trace "perl_reload: loading extensions";
3675	cf::load_extensions;	4237	cf::load_extensions;
3676		4238
		4239	if ($REATTACH_ON_RELOAD) {
3677	warn "reattaching attachments to objects/players";	4240	trace "perl_reload: reattaching attachments to objects/players";
3678	_global_reattach; # objects, sockets	4241	_global_reattach; # objects, sockets
3679	warn "reattaching attachments to maps";	4242	trace "perl_reload: reattaching attachments to maps";
3680	reattach $_ for values %MAP;	4243	reattach $_ for values %MAP;
3681	warn "reattaching attachments to players";	4244	trace "perl_reload: reattaching attachments to players";
3682	reattach $_ for values %PLAYER;	4245	reattach $_ for values %PLAYER;
		4246	}
3683		4247
3684	warn "leaving sync_job";	4248	cf::_post_init 1;
3685		4249
		4250	trace "perl_reload: leaving sync_job";
		4251
3686	1	4252	1
3687	} or do {	4253	} or do {
3688	warn $@;	4254	error $@;
3689	cf::cleanup "error while reloading, exiting.";	4255	cf::cleanup "perl_reload: error, exiting.";
		4256	};
		4257
		4258	--$RELOAD;
3690	};	4259	}
3691		4260
3692	warn "reloaded";	4261	$t1 = AE::time - $t1;
		4262	info "perl_reload: completed in ${t1}s\n";
3693	};	4263	};
3694		4264
3695	our $RELOAD_WATCHER; # used only during reload	4265	our $RELOAD_WATCHER; # used only during reload
3696		4266
3697	sub reload_perl() {	4267	sub reload_perl() {
3698	# doing reload synchronously and two reloads happen back-to-back,	4268	# doing reload synchronously and two reloads happen back-to-back,
3699	# coro crashes during coro_state_free->destroy here.	4269	# coro crashes during coro_state_free->destroy here.
3700		4270
		4271	$RELOAD_WATCHER ||= cf::async {
		4272	Coro::AIO::aio_wait cache_extensions;
		4273
3701	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4274	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3702	do_reload_perl;	4275	do_reload_perl;
3703	undef $RELOAD_WATCHER;	4276	undef $RELOAD_WATCHER;
		4277	};
3704	};	4278	};
3705	}	4279	}
3706		4280
3707	register_command "reload" => sub {	4281	register_command "reload" => sub {
3708	my ($who, $arg) = @_;	4282	my ($who, $arg) = @_;
…		…
3714	reload_perl;	4288	reload_perl;
3715	};	4289	};
3716	}	4290	}
3717	};	4291	};
3718		4292
3719	unshift @INC, $LIBDIR;	4293	#############################################################################
3720		4294
3721	my $bug_warning = 0;	4295	my $bug_warning = 0;
3722		4296
3723	our @WAIT_FOR_TICK;
3724	our @WAIT_FOR_TICK_BEGIN;
3725
3726	sub wait_for_tick {	4297	sub wait_for_tick() {
3727	return if tick_inhibit || $Coro::current == $Coro::main;	4298	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3728		4299
3729	my $signal = new Coro::Signal;	4300	$WAIT_FOR_TICK->wait;
3730	push @WAIT_FOR_TICK, $signal;
3731	$signal->wait;
3732	}	4301	}
3733		4302
3734	sub wait_for_tick_begin {	4303	sub wait_for_tick_begin() {
3735	return if tick_inhibit || $Coro::current == $Coro::main;	4304	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3736		4305
3737	my $signal = new Coro::Signal;	4306	my $signal = new Coro::Signal;
3738	push @WAIT_FOR_TICK_BEGIN, $signal;	4307	push @WAIT_FOR_TICK_BEGIN, $signal;
3739	$signal->wait;	4308	$signal->wait;
3740	}	4309	}
…		…
3744	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4313	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3745	unless ++$bug_warning > 10;	4314	unless ++$bug_warning > 10;
3746	return;	4315	return;
3747	}	4316	}
3748		4317
3749	cf::server_tick; # one server iteration	4318	cf::one_tick; # one server iteration
		4319
		4320	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3750		4321
3751	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4322	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3752	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4323	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3753	Coro::async_pool {	4324	Coro::async_pool {
3754	$Coro::current->{desc} = "runtime saver";	4325	$Coro::current->{desc} = "runtime saver";
3755	write_runtime_sync	4326	write_runtime_sync
3756	or warn "ERROR: unable to write runtime file: $!";	4327	or error "ERROR: unable to write runtime file: $!";
3757	};	4328	};
3758	}	4329	}
3759		4330
3760	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4331	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3761	$sig->send;	4332	$sig->send;
3762	}	4333	}
3763	while (my $sig = shift @WAIT_FOR_TICK) {	4334	$WAIT_FOR_TICK->broadcast;
3764	$sig->send;
3765	}
3766		4335
3767	$LOAD = ($NOW - $TICK_START) / $TICK;	4336	$LOAD = ($NOW - $TICK_START) / $TICK;
3768	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4337	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3769		4338
3770	if (0) {	4339	if (0) {
3771	if ($NEXT_TICK) {	4340	if ($NEXT_TICK) {
3772	my $jitter = $TICK_START - $NEXT_TICK;	4341	my $jitter = $TICK_START - $NEXT_TICK;
3773	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4342	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3774	warn "jitter $JITTER\n";#d#	4343	debug "jitter $JITTER\n";#d#
3775	}	4344	}
3776	}	4345	}
3777	}	4346	}
3778		4347
3779	{	4348	{
3780	# configure BDB	4349	# configure BDB
		4350	info "initialising database";
3781		4351
3782	BDB::min_parallel 8;	4352	BDB::min_parallel 16;
3783	BDB::max_poll_reqs $TICK * 0.1;	4353	BDB::max_poll_reqs $TICK * 0.1;
3784	$Coro::BDB::WATCHER->priority (1);	4354	#$AnyEvent::BDB::WATCHER->priority (1);
3785		4355
3786	unless ($DB_ENV) {	4356	unless ($DB_ENV) {
3787	$DB_ENV = BDB::db_env_create;	4357	$DB_ENV = BDB::db_env_create;
3788	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4358	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3789	| BDB::LOG_AUTOREMOVE, 1);	4359	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4360	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3790	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4361	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3791	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4362	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3792		4363
3793	cf::sync_job {	4364	cf::sync_job {
3794	eval {	4365	eval {
…		…
3813	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4384	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3814	};	4385	};
3815	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4386	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3816	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4387	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3817	};	4388	};
		4389
		4390	info "database initialised";
3818	}	4391	}
3819		4392
3820	{	4393	{
3821	# configure IO::AIO	4394	# configure IO::AIO
3822		4395
		4396	info "initialising aio";
3823	IO::AIO::min_parallel 8;	4397	IO::AIO::min_parallel 8;
3824	IO::AIO::max_poll_time $TICK * 0.1;	4398	IO::AIO::max_poll_time $TICK * 0.1;
3825	$Coro::AIO::WATCHER->priority (1);	4399	undef $AnyEvent::AIO::WATCHER;
		4400	info "aio initialised";
3826	}	4401	}
3827		4402
3828	my $_log_backtrace;	4403	our $_log_backtrace;
		4404	our $_log_backtrace_last;
3829		4405
3830	sub _log_backtrace {	4406	sub _log_backtrace {
3831	my ($msg, @addr) = @_;	4407	my ($msg, @addr) = @_;
3832		4408
3833	$msg =~ s/\n//;	4409	$msg =~ s/\n$//;
3834		4410
		4411	if ($_log_backtrace_last eq $msg) {
		4412	LOG llevInfo, "[ABT] $msg\n";
		4413	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3835	# limit the # of concurrent backtraces	4414	# limit the # of concurrent backtraces
3836	if ($_log_backtrace < 2) {	4415	} elsif ($_log_backtrace < 2) {
		4416	$_log_backtrace_last = $msg;
3837	++$_log_backtrace;	4417	++$_log_backtrace;
		4418	my $perl_bt = Carp::longmess $msg;
3838	async {	4419	async {
3839	$Coro::current->{desc} = "abt $msg";	4420	$Coro::current->{desc} = "abt $msg";
3840		4421
3841	my @bt = fork_call {	4422	my @bt = fork_call {
3842	@addr = map { sprintf "%x", $_ } @addr;	4423	@addr = map { sprintf "%x", $_ } @addr;
…		…
3853	}	4434	}
3854		4435
3855	@funcs	4436	@funcs
3856	};	4437	};
3857		4438
3858	LOG llevInfo, "[ABT] $msg\n";	4439	LOG llevInfo, "[ABT] $perl_bt\n";
		4440	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3859	LOG llevInfo, "[ABT] $_\n" for @bt;	4441	LOG llevInfo, "[ABT] $_\n" for @bt;
3860	--$_log_backtrace;	4442	--$_log_backtrace;
3861	};	4443	};
3862	} else {	4444	} else {
3863	LOG llevInfo, "[ABT] $msg\n";	4445	LOG llevInfo, "[ABT] $msg\n";
3864	LOG llevInfo, "[ABT] [suppressed]\n";	4446	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3865	}	4447	}
3866	}	4448	}
3867		4449
3868	# load additional modules	4450	# load additional modules
3869	use cf::pod;	4451	require "cf/$_.pm" for @EXTRA_MODULES;
		4452	cf::_connect_to_perl_2;
3870		4453
3871	END { cf::emergency_save }	4454	END { cf::emergency_save }
3872		4455
3873	1	4456	1
3874		4457

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