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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.434 by root, Thu May 29 03:27:37 2008 UTC vs.
Revision 1.613 by root, Mon Nov 26 13:12:16 2012 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
18	#	18	# <http://www.gnu.org/licenses/>.
		19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use utf8;	25	use common::sense;
25	use strict;
26		26
27	use Symbol;	27	use Symbol;
28	use List::Util;	28	use List::Util;
29	use Socket;	29	use Socket;
30	use EV;	30	use EV;
31	use Opcode;	31	use Opcode;
32	use Safe;	32	use Safe;
33	use Safe::Hole;	33	use Safe::Hole;
34	use Storable ();	34	use Storable ();
		35	use Carp ();
		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
35		40
36	use Coro ();	41	use Coro ();
37	use Coro::State;	42	use Coro::State;
38	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
39	use Coro::AnyEvent;	45	use Coro::AnyEvent;
40	use Coro::Timer;	46	use Coro::Timer;
41	use Coro::Signal;	47	use Coro::Signal;
42	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
43	use Coro::AnyEvent;	50	use Coro::AnyEvent;
44	use Coro::AIO;	51	use Coro::AIO;
45	use Coro::BDB;	52	use Coro::BDB 1.6;
46	use Coro::Storable;	53	use Coro::Storable;
47	use Coro::Util ();	54	use Coro::Util ();
48		55
		56	use Guard ();
49	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
50	use BDB ();	58	use BDB ();
51	use Data::Dumper;	59	use Data::Dumper;
52	use Digest::MD5;
53	use Fcntl;	60	use Fcntl;
54	use YAML ();	61	use YAML::XS ();
55	use IO::AIO ();	62	use IO::AIO ();
56	use Time::HiRes;
57	use Compress::LZF;	63	use Compress::LZF;
58	use Digest::MD5 ();	64	use Digest::MD5 ();
59		65
60	AnyEvent::detect;	66	AnyEvent::detect;
61
62	IO::AIO::max_poll_reqs 1;#d#
63		67
64	# configure various modules to our taste	68	# configure various modules to our taste
65	#	69	#
66	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
67	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";
68	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
69		78
70	$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" };
71		81
72	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;
73		85
74	our %COMMAND = ();	86	our %COMMAND = ();
75	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
76		88
77	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
78	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
79	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
80	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
81	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
82		96
83	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
84	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
85		101
86	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
87	our $DATADIR = datadir;	104	our $DATADIR = datadir;
88	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
89	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
90	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
91	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
92	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
96	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
97	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;
98		125
99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
101	our $NEXT_TICK;	128	our $NEXT_TICK;
102	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
103		130
104	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
105	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
106	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
107	our $DB_ENV;	134	our $DB_ENV;
108		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
109	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
110		140
111	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
112	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
113	our $NOW;	144	our $NOW;
114		145
115	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
116	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
117	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
…		…
122	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)
123	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
124	our $JITTER; # average jitter	155	our $JITTER; # average jitter
125	our $TICK_START; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
126		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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
127	binmode STDOUT;	166	binmode STDOUT;
128	binmode STDERR;	167	binmode STDERR;
129		168
130	# read virtual server time, if available	169	# read virtual server time, if available
131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
132	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
133	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
134	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
135	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
136		177
137	mkdir $_	178	mkdir $_
138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
139		180
140	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
141		182
142	sub cf::map::normalise;	183	sub cf::map::normalise;
143		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
144	#############################################################################	189	#############################################################################
145		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
146	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
147		203
148	=over 4	204	=over 4
149		205
150	=item $cf::UPTIME	206	=item $cf::UPTIME
151		207
152	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.
153		224
154	=item $cf::RUNTIME	225	=item $cf::RUNTIME
155		226
156	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
157	every server tick.	228	every server tick.
158		229
159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
162		233
163	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
165	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
166	database environment.	237	database environment.
167		238
168	=item $cf::NOW
169
170	The time of the last (current) server tick.
171
172	=item $cf::TICK
173
174	The interval between server ticks, in seconds.
175
176	=item $cf::LOADAVG	239	=item $cf::LOADAVG
177		240
178	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
179	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
180	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
189	from wherever your confdir points to.	252	from wherever your confdir points to.
190		253
191	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
192		255
193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
194	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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();
196		277
197	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
198		279
199	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
200	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
201	that call.	282	that call.
202		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
203	=back	290	=back
204		291
205	=cut	292	=cut
206		293
207	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
208	*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 {
209	my $msg = join "", @_;	301	my $msg = join "", @_;
210		302
211	$msg .= "\n"	303	$msg .= "\n"
212	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
213		305
214	$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;
215		307
216	LOG llevError, $msg;	308	LOG llevWarn, $msg;
217	};	309	};
218	}
219		310
220	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
221	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
222		313
223	if ($Coro::current == $Coro::main) {#d#	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
224	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
225	return;#d#	318	return;#d#
226	}#d#	319	}#d#
227		320
228	# kill coroutine otherwise	321	# kill coroutine otherwise
229	warn Carp::longmess $_[0];
230	Coro::terminate	322	Coro::terminate
231	};	323	};
232
233	$SIG{__DIE__} = sub { }; #d#?
234		324
235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
245	for my $pkg (qw(	335	for my $pkg (qw(
246	cf::global cf::attachable	336	cf::global cf::attachable
247	cf::object cf::object::player	337	cf::object cf::object::player
248	cf::client cf::player	338	cf::client cf::player
249	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
250	cf::map cf::party cf::region	341	cf::party cf::region
251	)) {	342	)) {
252	no strict 'refs';
253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
254	}	344	}
255		345
256	$EV::DIED = sub {	346	$EV::DIED = sub {
257	warn "error in event callback: @_";	347	warn "error in event callback: $@";
258	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
259		354
260	#############################################################################	355	#############################################################################
261		356
262	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
263		358
…		…
284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
285	$d	380	$d
286	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
287	}	382	}
288		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
289	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
290		437
291	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
292		439
293	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
300		447
301	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
302	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
303		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
304	=item cf::lock_wait $string	513	=item cf::lock_wait $string
305		514
306	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
307		516
308	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
309		518
310	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
311	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,
312	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
313	returned.	522	returned.
314		523
315	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
316	deadlocked coro.	525	deadlocked coro.
…		…
322		531
323	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.
324		533
325	=cut	534	=cut
326		535
327	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
328	our %LOCKER;#d#
329		537
330	sub lock_wait($) {	538	sub lock_wait($) {
331	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
332
333	if ($LOCKER{$key} == $Coro::current) {#d#
334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335	return;#d#
336	}#d#
337
338	# wait for lock, if any
339	while ($LOCK{$key}) {
340	push @{ $LOCK{$key} }, $Coro::current;
341	Coro::schedule;
342	}
343	}	540	}
344		541
345	sub lock_acquire($) {	542	sub lock_acquire($) {
346	my ($key) = @_;	543	$LOCKS->guard ($_[0])
347
348	# wait, to be sure we are not locked
349	lock_wait $key;
350
351	$LOCK{$key} = [];
352	$LOCKER{$key} = $Coro::current;#d#
353
354	Coro::guard {
355	delete $LOCKER{$key};#d#
356	# wake up all waiters, to be on the safe side
357	$_->ready for @{ delete $LOCK{$key} };
358	}
359	}	544	}
360		545
361	sub lock_active($) {	546	sub lock_active($) {
362	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
363
364	! ! $LOCK{$key}
365	}	548	}
366		549
367	sub freeze_mainloop {	550	sub freeze_mainloop {
368	tick_inhibit_inc;	551	tick_inhibit_inc;
369		552
370	Coro::guard \&tick_inhibit_dec;	553	&Guard::guard (\&tick_inhibit_dec);
371	}	554	}
372		555
373	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
374		557
375	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
376	get spread over timer.	559	get spread over time.
377		560
378	=cut	561	=cut
379		562
380	sub periodic($$) {	563	sub periodic($$) {
381	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
385	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
386	}	569	}
387		570
388	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
389		572
390	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
391	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
392	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$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.
393		580
394	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
395	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
396		583
397	Useful for short background jobs.	584	Useful for short background jobs.
398		585
399	=cut	586	=cut
400		587
401	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
402	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
403		591
404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
406	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
407		595
408	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
409		598
410	while () {	599	while () {
411	next_job:	600	next_job:
		601
		602	Coro::cede;
		603
412	my $avail = cf::till_tick;	604	my $avail = cf::till_tick;
413	if ($avail > 0.01) {	605
414	for (0 .. $#SLOT_QUEUE) {	606	for (0 .. $#SLOT_QUEUE) {
415	if ($SLOT_QUEUE[$_][0] < $avail) {	607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
416	my $job = splice @SLOT_QUEUE, $_, 1, ();	609	my $job = splice @SLOT_QUEUE, $_, 1, ();
417	$job->[2]->send;	610	$job->[2]->send;
418	Coro::cede;
419	goto next_job;	611	goto next_job;
420	}	612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
421	}	614	}
422	}	615	}
423		616
424	if (@SLOT_QUEUE) {	617	if (@SLOT_QUEUE) {
425	# we do not use wait_for_tick() as it returns immediately when tick is inactive	618	wait_for_tick;
426	push @cf::WAIT_FOR_TICK, $signal;
427	$signal->wait;
428	} else {	619	} else {
		620	$busy = 0;
429	Coro::schedule;	621	Coro::schedule;
430	}	622	}
431	}	623	}
432	};	624	};
433		625
434	sub get_slot($;$$) {	626	sub get_slot($;$$) {
435	return if tick_inhibit || $Coro::current == $Coro::main;	627	return if tick_inhibit || $Coro::current == $Coro::main;
436		628
437	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
438		630
439	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
440	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
441		634
442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
444	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
470	=cut	663	=cut
471		664
472	sub sync_job(&) {	665	sub sync_job(&) {
473	my ($job) = @_;	666	my ($job) = @_;
474		667
475	if ($Coro::current == $Coro::main) {	668	if (in_main) {
476	my $time = EV::time;	669	my $time = AE::time;
477		670
478	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
479	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
480		673
481	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
482		675
483	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
484		677
485	my $busy = 1;	678	my $busy = 1;
486	my @res;	679	my @res;
487		680
488	(async {	681	(async {
489	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
490	@res = eval { $job->() };	683	@res = eval { $job->() };
491	warn $@ if $@;	684	error $@ if $@;
492	undef $busy;	685	undef $busy;
493	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
494		687
495	while ($busy) {	688	while ($busy) {
496	if (Coro::nready) {	689	if (Coro::nready) {
…		…
498	} else {	691	} else {
499	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_ONESHOT;
500	}	693	}
501	}	694	}
502		695
503	my $time = EV::time - $time;	696	my $time = AE::time - $time;
504		697
505	$TICK_START += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
506		699
507	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
508	} else {	701	} else {
…		…
530	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
531		724
532	$coro	725	$coro
533	}	726	}
534		727
535	=item fork_call { }, $args	728	=item fork_call { }, @args
536		729
537	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
538	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
539	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
540	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
541		734
542	=cut	735	=cut
543		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
544	sub fork_call(&@) {	741	sub fork_call(&@) {
545	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
546		743
547	# we seemingly have to make a local copy of the whole thing,
548	# otherwise perl prematurely frees the stuff :/
549	# TODO: investigate and fix (likely this will be rather laborious)
550
551	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
552	reset_signals;	745	cf::post_fork;
553	&$cb	746	&$cb
554	}, @args;	747	} @args;
555		748
556	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	)
557	}	761	}
558		762
559	=item $coin = coin_from_name $name	763	=item $coin = coin_from_name $name
560		764
561	=cut	765	=cut
…		…
598	within each server.	802	within each server.
599		803
600	=cut	804	=cut
601		805
602	sub db_table($) {	806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
603	my ($name) = @_;	810	my ($name) = @_;
604	my $db = BDB::db_create $DB_ENV;	811	my $db = BDB::db_create $DB_ENV;
605		812
606	eval {	813	eval {
607	$db->set_flags (BDB::CHKSUM);	814	$db->set_flags (BDB::CHKSUM);
…		…
617	}	824	}
618		825
619	our $DB;	826	our $DB;
620		827
621	sub db_init {	828	sub db_init {
622	cf::sync_job {
623	$DB ||= db_table "db";	829	$DB ||= db_table "db";
624	};
625	}	830	}
626		831
627	sub db_get($$) {	832	sub db_get($$) {
628	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
629		834
630	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
631	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
632		839
633	$! ? ()	840	$! ? ()
634	: $data	841	: $data
635	}
636	}	842	}
637		843
638	sub db_put($$$) {	844	sub db_put($$$) {
639	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
668		874
669	my @data;	875	my @data;
670	my $md5;	876	my $md5;
671		877
672	for (0 .. $#$src) {	878	for (0 .. $#$src) {
673	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
674	or Carp::croak "$src->[$_]: $!";
675	}	880	}
676		881
677	# if processing is expensive, check	882	# if processing is expensive, check
678	# checksum first	883	# checksum first
679	if (1) {	884	if (1) {
…		…
692		897
693	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
694	}	899	}
695	}	900	}
696		901
697	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
698	my $data = $process->(\@data);	903	my $data = $process->(\@data);
699	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
700		905
701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
702		907
703	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
704	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
705	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
706		911
…		…
716		921
717	=cut	922	=cut
718		923
719	sub datalog($@) {	924	sub datalog($@) {
720	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
722	}	927	}
723		928
724	=back	929	=back
725		930
726	=cut	931	=cut
727		932
728	#############################################################################	933	#############################################################################
729		934
730	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
731		936
732	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
733	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")
734	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
735		940
736	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>
737	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
…		…
787	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
788		993
789	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
790	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
791		996
792	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
793	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.
794		999
795	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
796		1001
797	=over 4	1002	=over 4
…		…
921		1126
922	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
923	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
924		1129
925	} elsif (ref $type) {	1130	} elsif (ref $type) {
926	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
927		1132
928	} else {	1133	} else {
929	shift @arg;	1134	shift @arg;
930	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
931	}	1136	}
932	}	1137	}
933	}	1138	}
934		1139
935	sub _object_attach {	1140	sub _object_attach {
…		…
945	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
946	}	1151	}
947		1152
948	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
949	} else {	1154	} else {
950	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
951	}	1156	}
952		1157
953	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
954	}	1159	}
955		1160
…		…
1014		1219
1015	for (@$callbacks) {	1220	for (@$callbacks) {
1016	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
1017		1222
1018	if ($@) {	1223	if ($@) {
1019	warn "$@";
1020	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1021	override;	1225	override;
1022	}	1226	}
1023		1227
1024	return 1 if $override;	1228	return 1 if $override;
1025	}	1229	}
…		…
1088		1292
1089	sub reattach {	1293	sub reattach {
1090	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
1091	my ($obj) = @_;	1295	my ($obj) = @_;
1092		1296
		1297	# no longer needed after getting rid of delete_package?
1093	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
1094		1299
1095	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
1096		1301
1097	@$registry = ();	1302	@$registry = ();
1098		1303
…		…
1103	for (@$attach) {	1308	for (@$attach) {
1104	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
1105	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
1106	}	1311	}
1107	} else {	1312	} else {
1108	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
1109	}	1314	}
1110	}	1315	}
1111	}	1316	}
1112		1317
1113	cf::attachable->attach (	1318	cf::attachable->attach (
…		…
1140	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1141		1346
1142	sync_job {	1347	sync_job {
1143	if (length $$rdata) {	1348	if (length $$rdata) {
1144	utf8::decode (my $decname = $filename);	1349	utf8::decode (my $decname = $filename);
1145	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1146	$decname, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1147		1353
1148	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1149	aio_chmod $fh, SAVE_MODE;	1355	aio_chmod $fh, SAVE_MODE;
1150	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1151	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	}
1152	aio_close $fh;	1361	aio_close $fh;
1153		1362
1154	if (@$objs) {	1363	if (@$objs) {
1155	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) {
1156	aio_chmod $fh, SAVE_MODE;	1365	aio_chmod $fh, SAVE_MODE;
1157	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1158	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1159	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	}
1160	aio_close $fh;	1372	aio_close $fh;
1161	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1162	}	1374	}
1163	} else {	1375	} else {
1164	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1165	}	1377	}
1166		1378
1167	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1168	} else {	1383	} else {
1169	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1170	}	1385	}
1171	} else {	1386	} else {
1172	aio_unlink $filename;	1387	aio_unlink $filename;
1173	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1174	}	1389	}
…		…
1198	my $st = eval { Coro::Storable::thaw $av };	1413	my $st = eval { Coro::Storable::thaw $av };
1199	$av = $st->{objs};	1414	$av = $st->{objs};
1200	}	1415	}
1201		1416
1202	utf8::decode (my $decname = $filename);	1417	utf8::decode (my $decname = $filename);
1203	warn sprintf "loading %s (%d,%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1204	$decname, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
1205		1421
1206	($data, $av)	1422	($data, $av)
1207	}	1423	}
1208		1424
1209	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
…		…
1213	=cut	1429	=cut
1214		1430
1215	#############################################################################	1431	#############################################################################
1216	# command handling &c	1432	# command handling &c
1217		1433
1218	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1219		1435
1220	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
1221	$name.	1437	$name.
1222		1438
1223	=cut	1439	=cut
…		…
1229	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1230		1446
1231	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1232	}	1448	}
1233		1449
1234	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1235		1451
1236	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1237	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
1238	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
1239	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
1240	has logged in successfully.	1456	has logged in successfully.
1241		1457
1242	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1243	called.
1244		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
1245	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1246		1466
1247	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1248	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
1249	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
1250	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
1251	log-in.	1471	log-in.
1252		1472
1253	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1254	called.
1255		1474
1256	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1257		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1258	sub register_extcmd {	1482	sub register_extcmd($$) {
1259	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1260		1484
1261	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1262	}	1486	}
1263		1487
1264	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1265	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1266		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1267	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1268	}	1498	}
1269		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1270	cf::player->attach (	1508	cf::player->attach (
1271	on_command => sub {	1509	on_unknown_command => sub {
1272	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1273		1511
1274	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1275	or return;	1513	or return;
1276		1514
…		…
1284	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1285		1523
1286	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1287		1525
1288	if (ref $msg) {	1526	if (ref $msg) {
1289	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1290	"ARRAY" eq ref $msg
1291	? @$msg
1292	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1293		1528
1294	my @reply;
1295
1296	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}) {
1297	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1298	}	1547	}
1299		1548
1300	$pl->ext_reply ($reply, @reply)
1301	if $reply;
1302
1303	} else {	1549	} else {
1304	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1305	}	1551	}
1306		1552
1307	cf::override;	1553	cf::override;
1308	},	1554	},
1309	);	1555	);
1310		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
1311	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1312	cf::sync_job {	1586	cf::sync_job {
1313	my %todo;	1587	my %todo;
1314		1588
1315	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1316	next unless -r $path;	1590	next unless -r $path;
…		…
1334		1608
1335	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1336	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1337		1611
1338	$ext{source} =	1612	$ext{source} =
1339	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1340	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1341	. $source	1615	. $source
1342	. "\n};\n1";	1616	. "\n};\n1";
1343		1617
1344	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1345	}	1619	}
1346		1620
		1621	my $pass = 0;
1347	my %done;	1622	my %done;
1348	while (%todo) {	1623	while (%todo) {
1349	my $progress;	1624	my $progress;
1350		1625
		1626	++$pass;
		1627
		1628	ext:
1351	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1352	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1353	goto skip	1631	next ext
1354	unless exists $done{$_};	1632	unless exists $done{$_};
1355	}	1633	}
1356		1634
1357	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1358		1636
1359	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 $@) {
1360	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1361	: "$v->{base}: extension inactive.\n";
1362		1650
1363	if (exists $v->{meta}{mandatory}) {
1364	warn $msg;
1365	cf::cleanup "mandatory extension failed to load, exiting.";	1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1366	}	1652	if exists $v->{meta}{mandatory};
1367		1653
1368	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;
1369	}	1663	}
1370
1371	$done{$k} = delete $todo{$k};
1372	push @EXTS, $v->{pkg};
1373	$progress = 1;
1374	}	1664	}
1375		1665
1376	skip:	1666	unless ($progress) {
1377	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1378	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1379	}	1676	}
1380	};	1677	};
1381	}	1678	}
1382		1679
1383	#############################################################################	1680	#############################################################################
1384		1681
1385	=back	1682	=back
1386		1683
1387	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1388		1685
1389	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1390		1687
1391	=cut	1688	=cut
1392		1689
1393	package cf::player;	1690	package cf::player;
1394		1691
…		…
1437		1734
1438	sub exists($) {	1735	sub exists($) {
1439	my ($login) = @_;	1736	my ($login) = @_;
1440		1737
1441	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1442	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1443	}	1740	}
1444		1741
1445	sub find($) {	1742	sub find($) {
1446	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1447	my $login = $_[0];	1744	my $login = $_[0];
…		…
1467	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1468	}	1765	}
1469	}	1766	}
1470	}	1767	}
1471		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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
1472	sub save($) {	1782	sub save($) {
1473	my ($pl) = @_;	1783	my ($pl) = @_;
1474		1784
1475	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
1476		1786
…		…
1481		1791
1482	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1483	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1484		1794
1485	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];
1486		1799
1487	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1488	cf::cede_to_tick;	1801	cf::cede_to_tick;
1489	}	1802	}
1490		1803
…		…
1522	my ($pl) = @_;	1835	my ($pl) = @_;
1523		1836
1524	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1525		1838
1526	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1527	$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
1528		1841
1529	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1530	$pl->deactivate;	1843	$pl->deactivate;
		1844
1531	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1532	$pl->ob->check_score;
1533	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1534	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1535		1850
1536	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1537	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1538	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1592	\@logins	1907	\@logins
1593	}	1908	}
1594		1909
1595	=item $player->maps	1910	=item $player->maps
1596		1911
		1912	=item cf::player::maps $login
		1913
1597	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1598	player. May block.	1915	player. May block.
1599		1916
1600	=cut	1917	=cut
1601		1918
…		…
1618	}	1935	}
1619		1936
1620	\@paths	1937	\@paths
1621	}	1938	}
1622		1939
1623	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1624		1941
1625	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1626
1627	=cut
1628
1629	use re 'eval';
1630
1631	my $group;
1632	my $interior; $interior = qr{
1633	# match a pod interior sequence sans C<< >>
1634	(?:
1635	\ (.*?)\ (?{ $group = $^N })
1636	| < (??{$interior}) >
1637	)
1638	}x;
1639
1640	sub expand_cfpod {
1641	my ($self, $pod) = @_;
1642
1643	my $xml;
1644
1645	while () {
1646	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1647	$group = $1;
1648
1649	$group =~ s/&/&amp;/g;
1650	$group =~ s/</&lt;/g;
1651
1652	$xml .= $group;
1653	} elsif ($pod =~ m%\G
1654	([BCGHITU])
1655	<
1656	(?:
1657	([^<>]*) (?{ $group = $^N })
1658	| < $interior >
1659	)
1660	>
1661	%gcsx
1662	) {
1663	my ($code, $data) = ($1, $group);
1664
1665	if ($code eq "B") {
1666	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1667	} elsif ($code eq "I") {
1668	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1669	} elsif ($code eq "U") {
1670	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1671	} elsif ($code eq "C") {
1672	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1673	} elsif ($code eq "T") {
1674	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1675	} elsif ($code eq "G") {
1676	my ($male, $female) = split /\|/, $data;
1677	$data = $self->gender ? $female : $male;
1678	$xml .= expand_cfpod ($self, $data);
1679	} elsif ($code eq "H") {
1680	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1681	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1682	"")
1683	[$self->{hintmode}];
1684	} else {
1685	$xml .= "error processing '$code($data)' directive";
1686	}
1687	} else {
1688	if ($pod =~ /\G(.+)/) {
1689	warn "parse error while expanding $pod (at $1)";
1690	}
1691	last;
1692	}
1693	}
1694
1695	for ($xml) {
1696	# create single paragraphs (very hackish)
1697	s/(?<=\S)\n(?=\w)/ /g;
1698
1699	# compress some whitespace
1700	s/\s+\n/\n/g; # ws line-ends
1701	s/\n\n+/\n/g; # double lines
1702	s/^\n+//; # beginning lines
1703	s/\n+$//; # ending lines
1704	}
1705
1706	$xml
1707	}
1708
1709	no re 'eval';
1710
1711	sub hintmode {
1712	$_[0]{hintmode} = $_[1] if @_ > 1;
1713	$_[0]{hintmode}
1714	}
1715
1716	=item $player->ext_reply ($msgid, @msg)
1717
1718	Sends an ext reply to the player.
1719
1720	=cut
1721
1722	sub ext_reply($$@) {
1723	my ($self, $id, @msg) = @_;
1724
1725	$self->ns->ext_reply ($id, @msg)
1726	}
1727		1943
1728	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1729		1945
1730	Sends an ext event to the client.	1946	Sends an ext event to the client.
1731		1947
…		…
1751		1967
1752	=cut	1968	=cut
1753		1969
1754	sub find_by_path($) {	1970	sub find_by_path($) {
1755	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1756		1974
1757	my ($match, $specificity);	1975	my ($match, $specificity);
1758		1976
1759	for my $region (list) {	1977	for my $region (list) {
1760	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1789	sub generate_random_map {	2007	sub generate_random_map {
1790	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1791		2009
1792	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
1793		2011
1794	# mit "rum" bekleckern, nicht
1795	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1796	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1797	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1798	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1799	$rmp->{exit_on_final_map},
1800	$rmp->{xsize}, $rmp->{ysize},
1801	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1802	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1803	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1804	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1805	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1806	(cf::region::find $rmp->{region}), $rmp->{custom}
1807	)
1808	}	2013	}
1809		2014
1810	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1811		2016
1812	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
…		…
1817		2022
1818	sub register {	2023	sub register {
1819	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1820	my $pkg = caller;	2025	my $pkg = caller;
1821		2026
1822	no strict;
1823	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1824		2028
1825	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1826	}	2030	}
1827		2031
1828	# also paths starting with '/'	2032	# also paths starting with '/'
1829	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1830		2034
1831	sub thawer_merge {	2035	sub thawer_merge {
1832	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1833		2037
1834	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1839	}	2043	}
1840		2044
1841	sub normalise {	2045	sub normalise {
1842	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1843		2047
1844	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1845		2049
1846	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1847		2051
1848	# map plan:	2052	# map plan:
1849	#	2053	#
…		…
1864	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1865	$path = "$base/$path";	2069	$path = "$base/$path";
1866	}	2070	}
1867		2071
1868	for ($path) {	2072	for ($path) {
1869	redo if s{//}{/};
1870	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1871	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1872	}	2075	}
1873		2076
1874	$path	2077	$path
…		…
1888	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1889	return $self;	2092	return $self;
1890	}	2093	}
1891	}	2094	}
1892		2095
1893	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1894	()	2097	()
1895	}	2098	}
1896		2099
		2100	# may re-bless or do other evil things
1897	sub init {	2101	sub init {
1898	my ($self) = @_;	2102	my ($self) = @_;
1899		2103
1900	$self	2104	$self
1901	}	2105	}
…		…
1932		2136
1933	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1934	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1935	}	2139	}
1936		2140
1937	# and all this just because we cannot iterate over
1938	# all maps in C++...
1939	sub change_all_map_light {
1940	my ($change) = @_;
1941
1942	$_->change_map_light ($change)
1943	for grep $_->outdoor, values %cf::MAP;
1944	}
1945
1946	sub decay_objects {	2141	sub decay_objects {
1947	my ($self) = @_;	2142	my ($self) = @_;
1948		2143
1949	return if $self->{deny_reset};	2144	return if $self->{deny_reset};
1950		2145
…		…
1975	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1976		2171
1977	1	2172	1
1978	}	2173	}
1979		2174
		2175	# used to laod the header of an original map
1980	sub load_header_orig {	2176	sub load_header_orig {
1981	my ($self) = @_;	2177	my ($self) = @_;
1982		2178
1983	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1984	}	2180	}
1985		2181
		2182	# used to laod the header of an instantiated map
1986	sub load_header_temp {	2183	sub load_header_temp {
1987	my ($self) = @_;	2184	my ($self) = @_;
1988		2185
1989	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1990	}	2187	}
1991		2188
		2189	# called after loading the header from an instantiated map
1992	sub prepare_temp {	2190	sub prepare_temp {
1993	my ($self) = @_;	2191	my ($self) = @_;
1994		2192
1995	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1996	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1997	# safety	2195	# safety
1998	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1999	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
2000	}	2198	}
2001		2199
		2200	# called after loading the header from an original map
2002	sub prepare_orig {	2201	sub prepare_orig {
2003	my ($self) = @_;	2202	my ($self) = @_;
2004		2203
2005	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
2006	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2030		2229
2031	sub find;	2230	sub find;
2032	sub find {	2231	sub find {
2033	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
2034		2233
		2234	cf::cede_to_tick;
		2235
2035	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
2036		2237
2037	cf::lock_wait "map_data:$path";#d#remove	2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2038	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
2039		2240
2040	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
2041	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2042	my $guard2 = cf::lock_acquire "map_find:$path";
2043
2044	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
2045	or return;	2243	or return;
2046		2244
2047	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
2048		2246
…		…
2060		2258
2061	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
2062	}	2260	}
2063	}	2261	}
2064		2262
2065	sub pre_load { }	2263	sub pre_load { }
2066	sub post_load { }	2264	#sub post_load { } # XS
2067		2265
2068	sub load {	2266	sub load {
2069	my ($self) = @_;	2267	my ($self) = @_;
2070		2268
2071	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2074		2272
2075	{	2273	{
2076	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
2077		2275
2078	return unless $self->valid;	2276	return unless $self->valid;
2079	return unless $self->in_memory == cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
2080
2081	$self->in_memory (cf::MAP_LOADING);
2082		2278
2083	$self->alloc;	2279	$self->alloc;
2084		2280
2085	$self->pre_load;	2281	$self->pre_load;
2086	cf::cede_to_tick;	2282	cf::cede_to_tick;
2087		2283
		2284	if (exists $self->{load_path}) {
2088	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
2089	$f->skip_block;	2286	$f->skip_block;
2090	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
2091	or return;	2288	or return;
2092		2289
2093	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
2094	if delete $self->{load_original};	2291	if delete $self->{load_original};
2095		2292
2096	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
2097	utf8::encode $uniq;	2294	utf8::encode $uniq;
2098	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
2099	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
2100	$self->clear_unique_items;	2297	$self->clear_unique_items;
2101	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
2102	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
2103	}	2301	}
2104	}	2302	}
2105	}
2106		2303
2107	$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);
2108		2311
2109	cf::cede_to_tick;	2312	cf::cede_to_tick;
2110	# now do the right thing for maps	2313	# now do the right thing for maps
2111	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
2112	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
2116	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
2117	$self->decay_objects;	2320	$self->decay_objects;
2118	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
2119	$self->update_buttons;	2322	$self->update_buttons;
2120	cf::cede_to_tick;	2323	cf::cede_to_tick;
2121	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
2122	cf::cede_to_tick;
2123	$self->activate;
2124	}	2325	}
2125		2326
2126	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
2127	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
2128
2129	$self->in_memory (cf::MAP_ACTIVE);
2130	}	2329	}
2131		2330
2132	$self->post_load;	2331	$self->post_load;
2133	}
2134		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
2135	sub customise_for {	2339	sub customise_for {
2136	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
2137		2341
2138	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
2139	if $self->per_player;	2343	if $self->per_player;
…		…
2142	# if $self->per_party;	2346	# if $self->per_party;
2143		2347
2144	$self	2348	$self
2145	}	2349	}
2146		2350
2147	# find and load all maps in the 3x3 area around a map
2148	sub load_neighbours {
2149	my ($map) = @_;
2150
2151	my @neigh; # diagonal neighbours
2152
2153	for (0 .. 3) {
2154	my $neigh = $map->tile_path ($_)
2155	or next;
2156	$neigh = find $neigh, $map
2157	or next;
2158	$neigh->load;
2159
2160	push @neigh,
2161	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2162	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2163	}
2164
2165	for (grep defined $_->[0], @neigh) {
2166	my ($path, $origin) = @$_;
2167	my $neigh = find $path, $origin
2168	or next;
2169	$neigh->load;
2170	}
2171	}
2172
2173	sub find_sync {	2351	sub find_sync {
2174	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
2175		2353
2176	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, $origin
2177	}	2359	}
2178		2360
2179	sub do_load_sync {	2361	sub do_load_sync {
2180	my ($map) = @_;	2362	my ($map) = @_;
2181		2363
		2364	# it's a bug to call this from the main context
2182	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2183	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
2184		2367
2185	cf::sync_job { $map->load };	2368	$map->load;
2186	}	2369	}
2187		2370
2188	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
2189	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
2190		2373
2191	sub find_async {	2374	sub find_async {
2192	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
2193		2376
2194	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2195		2378
2196	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2197	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2380	return $map if !$load || $map->linkable;
2198	}	2381	}
2199		2382
2200	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2201		2384
2202	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
…		…
2216	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2217		2400
2218	()	2401	()
2219	}	2402	}
2220		2403
		2404	# common code, used by both ->save and ->swapout
2221	sub save {	2405	sub _save {
2222	my ($self) = @_;	2406	my ($self) = @_;
2223
2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
2225		2407
2226	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2227		2409
2228	return unless $self->dirty;	2410	return unless $self->dirty;
2229		2411
…		…
2249	} else {	2431	} else {
2250	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2251	}	2433	}
2252	}	2434	}
2253		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2254	sub swap_out {	2444	sub swap_out {
2255	my ($self) = @_;	2445	my ($self) = @_;
2256		2446
2257	# save first because save cedes
2258	$self->save;
2259
2260	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2261		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2262	return if $self->players;	2451	return if $self->players;
2263	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
2264	return if $self->{deny_save};	2469	return 1e99 if $self->{deny_reset};
2265		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
2266	$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};
2267		2503
2268	$self->deactivate;	2504	$self->deactivate;
2269	$_->clear_links_to ($self) for values %cf::MAP;	2505	$_->clear_links_to ($self) for values %cf::MAP;
2270	$self->clear;	2506	$self->clear;
2271	}
2272
2273	sub reset_at {
2274	my ($self) = @_;
2275
2276	# TODO: safety, remove and allow resettable per-player maps
2277	return 1e99 if $self->{deny_reset};
2278
2279	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2280	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2281
2282	$time + $to
2283	}
2284
2285	sub should_reset {
2286	my ($self) = @_;
2287
2288	$self->reset_at <= $cf::RUNTIME
2289	}
2290
2291	sub reset {
2292	my ($self) = @_;
2293
2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
2295
2296	return if $self->players;
2297
2298	warn "resetting map ", $self->path;
2299
2300	$self->in_memory (cf::MAP_SWAPPED);
2301
2302	# need to save uniques path
2303	unless ($self->{deny_save}) {
2304	my $uniq = $self->uniq_path; utf8::encode $uniq;
2305
2306	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2307	if $uniq;
2308	}
2309
2310	delete $cf::MAP{$self->path};
2311
2312	$self->deactivate;
2313	$_->clear_links_to ($self) for values %cf::MAP;
2314	$self->clear;
2315		2507
2316	$self->unlink_save;	2508	$self->unlink_save;
2317	$self->destroy;	2509	$self->destroy;
2318	}	2510	}
2319		2511
…		…
2327		2519
2328	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2329		2521
2330	$self->unlink_save;	2522	$self->unlink_save;
2331		2523
2332	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2333	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2334	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2335	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2336	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2337		2529
…		…
2394	: normalise $_	2586	: normalise $_
2395	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2396	]	2588	]
2397	}	2589	}
2398		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
2399	=back	2623	=back
2400		2624
2401	=head3 cf::object	2625	=head3 cf::object
2402		2626
2403	=cut	2627	=cut
…		…
2426		2650
2427	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.
2428		2652
2429	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2430		2654
2431	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,
2432	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2433		2657
2434	=cut	2658	=cut
2435		2659
2436	sub deref {	2660	sub deref {
…		…
2468		2692
2469	our $SAY_CHANNEL = {	2693	our $SAY_CHANNEL = {
2470	id => "say",	2694	id => "say",
2471	title => "Map",	2695	title => "Map",
2472	reply => "say ",	2696	reply => "say ",
2473	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.",
2474	};	2698	};
2475		2699
2476	our $CHAT_CHANNEL = {	2700	our $CHAT_CHANNEL = {
2477	id => "chat",	2701	id => "chat",
2478	title => "Chat",	2702	title => "Chat",
…		…
2533		2757
2534	=item $player_object->enter_link	2758	=item $player_object->enter_link
2535		2759
2536	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}>).
2537		2761
2538	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.
2539	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.
2540		2766
2541	Will never block.	2767	Will never block.
2542		2768
2543	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2544		2770
…		…
2564	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2565	my ($self) = @_;	2791	my ($self) = @_;
2566		2792
2567	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2568		2794
		2795	++$self->{_link_recursion};
		2796
2569	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2570		2798
2571	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2572	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2573		2801
2574	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2575	}	2803	}
2576		2804
2577	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2578	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2579		2807
…		…
2596	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2597	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2598		2826
2599	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2600	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2601	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2602		2830
2603	$map->load;	2831	$map->load;
2604	$map->load_neighbours;
2605		2832
2606	return unless $self->contr->active;	2833	return unless $self->contr->active;
2607	$self->activate_recursive;
2608		2834
2609	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2610	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2611	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2612		2842
		2843	}
		2844
2613	=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)]])
2614		2846
2615	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
2616	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2617	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
2618	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
2619	be called at the end of this process.	2851	be called at the end of this process.
2620		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
2621	=cut	2856	=cut
2622		2857
2623	our $GOTOGEN;	2858	our $GOTOGEN;
2624		2859
2625	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2626	my ($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	}
2627		2868
2628	# 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
2629	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2630		2871
2631	$self->enter_link;	2872	$self->enter_link;
…		…
2651	($path, $x, $y) = (undef, undef, undef);	2892	($path, $x, $y) = (undef, undef, undef);
2652	}	2893	}
2653	}	2894	}
2654		2895
2655	my $map = eval {	2896	my $map = eval {
2656	my $map = defined $path ? cf::map::find $path : undef;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2657		2898
2658	if ($map) {	2899	if ($map) {
2659	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2660	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2661	} else {	2902	} else {
2662	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2663	}	2904	}
2664		2905
2665	$map	2906	$map
…		…
2673	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2674	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2675	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2676	}	2917	}
2677		2918
2678	$done->() if $done;	2919	$done->($self) if $done;
2679	})->prio (1);	2920	})->prio (1);
2680	}	2921	}
2681		2922
2682	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2683		2924
…		…
2751	$Coro::current->{desc} = "enter_exit";	2992	$Coro::current->{desc} = "enter_exit";
2752		2993
2753	unless (eval {	2994	unless (eval {
2754	$self->deactivate_recursive; # just to be sure	2995	$self->deactivate_recursive; # just to be sure
2755		2996
2756	# random map handling
2757	{
2758	my $guard = cf::lock_acquire "exit_prepare:$exit";
2759
2760	prepare_random_map $exit
2761	if $exit->slaying eq "/!";
2762	}
2763
2764	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
2765	my $x = $exit->stats->hp;	2998	my $x = $exit->stats->hp;
2766	my $y = $exit->stats->sp;	2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
2767		3023
2768	$self->goto ($map, $x, $y);	3024	$self->goto ($map, $x, $y);
2769		3025
2770	# if exit is damned, update players death & WoR home-position	3026	# if exit is damned, update players death & WoR home-position
2771	$self->contr->savebed ($map, $x, $y)	3027	$self->contr->savebed ($map, $x, $y)
2772	if $exit->flag (cf::FLAG_DAMNED);	3028	if $exit->flag (cf::FLAG_DAMNED);
2773		3029
2774	1	3030	1
2775	}) {	3031	}) {
2776	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2777	. "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. "
2778	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2779	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2780		3036
2781	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2782	$self->leave_link;	3038	$self->leave_link;
2783	}	3039	}
2784	})->prio (1);	3040	})->prio (1);
2785	}	3041	}
2786		3042
2787	=head3 cf::client	3043	=head3 cf::client
2788		3044
2789	=over 4	3045	=over 4
2790		3046
2791	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2792		3048
2793	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2794	should not be used under normal circumstances.	3050	them as required.
2795		3051
2796	=cut	3052	=cut
2797		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
2798	sub cf::client::send_drawinfo {	3056	sub cf::client::send_big_packet {
2799	my ($self, $text, $flags) = @_;	3057	my ($self, $pkt) = @_;
2800		3058
2801	utf8::encode $text;	3059	# try lzf for large packets
2802	$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);
2803	}	3070	}
2804		3071
2805	=item $client->send_msg ($channel, $msg, $color, [extra...])	3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
2806		3073
2807	Send a drawinfo or msg packet to the client, formatting the msg for the	3074	Send a msg packet to the client, formatting the msg for the client if
2808	client if neccessary. C<$type> should be a string identifying the type of	3075	necessary. C<$type> should be a string identifying the type of the
2809	the message, with C<log> being the default. If C<$color> is negative, suppress	3076	message, with C<log> being the default. If C<$color> is negative, suppress
2810	the message unless the client supports the msg packet.	3077	the message unless the client supports the msg packet.
2811		3078
2812	=cut	3079	=cut
2813		3080
2814	# non-persistent channels (usually the info channel)	3081	# non-persistent channels (usually the info channel)
2815	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	},
2816	"c/identify" => {	3089	"c/identify" => {
2817	id => "infobox",	3090	id => "infobox",
2818	title => "Identify",	3091	title => "Identify",
2819	reply => undef,	3092	reply => undef,
2820	tooltip => "Items recently identified",	3093	tooltip => "Items recently identified",
…		…
2822	"c/examine" => {	3095	"c/examine" => {
2823	id => "infobox",	3096	id => "infobox",
2824	title => "Examine",	3097	title => "Examine",
2825	reply => undef,	3098	reply => undef,
2826	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",
2827	},	3106	},
2828	"c/book" => {	3107	"c/book" => {
2829	id => "infobox",	3108	id => "infobox",
2830	title => "Book",	3109	title => "Book",
2831	reply => undef,	3110	reply => undef,
…		…
2847	id => "infobox",	3126	id => "infobox",
2848	title => "Body Parts",	3127	title => "Body Parts",
2849	reply => undef,	3128	reply => undef,
2850	tooltip => "Shows which body parts you posess and are available",	3129	tooltip => "Shows which body parts you posess and are available",
2851	},	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	},
2852	"c/uptime" => {	3167	"c/uptime" => {
2853	id => "infobox",	3168	id => "infobox",
2854	title => "Uptime",	3169	title => "Uptime",
2855	reply => undef,	3170	reply => undef,
2856	tooltip => "How long the server has been running since last restart",	3171	tooltip => "How long the server has been running since last restart",
…		…
2865	id => "party",	3180	id => "party",
2866	title => "Party",	3181	title => "Party",
2867	reply => "gsay ",	3182	reply => "gsay ",
2868	tooltip => "Messages and chat related to your party",	3183	tooltip => "Messages and chat related to your party",
2869	},	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" => $CHAT_CHANNEL,
2870	);	3199	);
2871		3200
2872	sub cf::client::send_msg {	3201	sub cf::client::send_msg {
2873	my ($self, $channel, $msg, $color, @extra) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2874		3203
2875	$msg = $self->pl->expand_cfpod ($msg);	3204	$msg = $self->pl->expand_cfpod ($msg)
		3205	unless $color & cf::NDI_VERBATIM;
2876		3206
2877	$color &= cf::NDI_CLIENT_MASK; # just in case...	3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
2878		3208
2879	# check predefined channels, for the benefit of C	3209	# check predefined channels, for the benefit of C
2880	if ($CHANNEL{$channel}) {	3210	if ($CHANNEL{$channel}) {
2881	$channel = $CHANNEL{$channel};	3211	$channel = $CHANNEL{$channel};
2882		3212
2883	$self->ext_msg (channel_info => $channel)	3213	$self->ext_msg (channel_info => $channel);
2884	if $self->can_msg;
2885
2886	$channel = $channel->{id};	3214	$channel = $channel->{id};
2887		3215
2888	} elsif (ref $channel) {	3216	} elsif (ref $channel) {
2889	# send meta info to client, if not yet sent	3217	# send meta info to client, if not yet sent
2890	unless (exists $self->{channel}{$channel->{id}}) {	3218	unless (exists $self->{channel}{$channel->{id}}) {
2891	$self->{channel}{$channel->{id}} = $channel;	3219	$self->{channel}{$channel->{id}} = $channel;
2892	$self->ext_msg (channel_info => $channel)	3220	$self->ext_msg (channel_info => $channel);
2893	if $self->can_msg;
2894	}	3221	}
2895		3222
2896	$channel = $channel->{id};	3223	$channel = $channel->{id};
2897	}	3224	}
2898		3225
2899	return unless @extra || length $msg;	3226	return unless @extra || length $msg;
2900		3227
2901	if ($self->can_msg) {
2902	# default colour, mask it out	3228	# default colour, mask it out
2903	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2904	if $color & cf::NDI_DEF;	3230	if $color & cf::NDI_DEF;
2905		3231
2906	$self->send_packet ("msg " . $self->{json_coder}->encode (	3232	my $pkt = "msg "
		3233	. $self->{json_coder}->encode (
2907	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2908	} else {	3235	);
2909	if ($color >= 0) {
2910	# replace some tags by gcfclient-compatible ones
2911	for ($msg) {
2912	1 while
2913	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2914	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2915	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2916	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2917	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2918	}
2919		3236
2920	$color &= cf::NDI_COLOR_MASK;	3237	$self->send_big_packet ($pkt);
2921
2922	utf8::encode $msg;
2923
2924	if (0 && $msg =~ /\[/) {
2925	# COMMAND/INFO
2926	$self->send_packet ("drawextinfo $color 10 8 $msg")
2927	} else {
2928	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2929	$self->send_packet ("drawinfo $color $msg")
2930	}
2931	}
2932	}
2933	}	3238	}
2934		3239
2935	=item $client->ext_msg ($type, @msg)	3240	=item $client->ext_msg ($type, @msg)
2936		3241
2937	Sends an ext event to the client.	3242	Sends an ext event to the client.
…		…
2939	=cut	3244	=cut
2940		3245
2941	sub cf::client::ext_msg($$@) {	3246	sub cf::client::ext_msg($$@) {
2942	my ($self, $type, @msg) = @_;	3247	my ($self, $type, @msg) = @_;
2943		3248
2944	if ($self->extcmd == 2) {
2945	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2946	} elsif ($self->extcmd == 1) { # TODO: remove
2947	push @msg, msgtype => "event_$type";
2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2949	}
2950	}
2951
2952	=item $client->ext_reply ($msgid, @msg)
2953
2954	Sends an ext reply to the client.
2955
2956	=cut
2957
2958	sub cf::client::ext_reply($$@) {
2959	my ($self, $id, @msg) = @_;
2960
2961	if ($self->extcmd == 2) {
2962	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2963	} elsif ($self->extcmd == 1) {
2964	#TODO: version 1, remove
2965	unshift @msg, msgtype => "reply", msgid => $id;
2966	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2967	}
2968	}	3250	}
2969		3251
2970	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2971		3253
2972	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
…		…
2992		3274
2993	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2994	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
2995		3277
2996	1	3278	1
		3279	}
		3280
		3281	=item $client->update_command_faces
		3282
		3283	=cut
		3284
		3285	our %COMMAND_FACE;
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = grep $_,
		3291	$COMMAND_FACE{preferred},
		3292	$COMMAND_FACE{standard},
		3293	$COMMAND_FACE{skill},
		3294	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3295	$COMMAND_FACE{emote},
		3296	;
		3297
		3298	$self->send_face ($_)
		3299	for @faces;
		3300	$self->flush_fx;
		3301
		3302	$self->ext_msg (command_list => @faces);
		3303	}
		3304
		3305	=item cf::client::set_command_face $type, $commands
		3306
		3307	=cut
		3308
		3309	sub cf::client::set_command_face {
		3310	my ($type, $list) = @_;
		3311
		3312	my $idx = &cf::face::set ( #d# ugly forward reference
		3313	"command_list/$type" => cf::FT_RSRC,
		3314	JSON::XS->new->utf8->encode ([ sort @$list ])
		3315	);
		3316
		3317	$COMMAND_FACE{$type} = $idx;
2997	}	3318	}
2998		3319
2999	cf::client->attach (	3320	cf::client->attach (
3000	on_connect => sub {	3321	on_connect => sub {
3001	my ($ns) = @_;	3322	my ($ns) = @_;
…		…
3027	my ($ns, $buf) = @_;	3348	my ($ns, $buf) = @_;
3028		3349
3029	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3350	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3030		3351
3031	if (ref $msg) {	3352	if (ref $msg) {
3032	my ($type, $reply, @payload) =	3353	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3033	"ARRAY" eq ref $msg
3034	? @$msg
3035	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3036		3354
3037	my @reply;
3038
3039	if (my $cb = $EXTICMD{$type}) {	3355	if (my $cb = $EXTIACMD{$type}) {
		3356	$cb->(
		3357	$ns,
		3358	sub {
		3359	$ns->ext_msg ("reply-$reply", @_)
		3360	if $reply;
		3361	},
		3362	@payload
		3363	);
		3364	} else {
		3365	my @reply;
		3366
		3367	if (my $cb = $EXTICMD{$type}) {
3040	@reply = $cb->($ns, @payload);	3368	@reply = $cb->($ns, @payload);
		3369	}
		3370
		3371	$ns->ext_msg ("reply-$reply", @reply)
		3372	if $reply;
3041	}	3373	}
3042
3043	$ns->ext_reply ($reply, @reply)
3044	if $reply;
3045
3046	} else {	3374	} else {
3047	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3375	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3048	}	3376	}
3049		3377
3050	cf::override;	3378	cf::override;
3051	},	3379	},
3052	);	3380	);
…		…
3072		3400
3073	$coro	3401	$coro
3074	}	3402	}
3075		3403
3076	cf::client->attach (	3404	cf::client->attach (
3077	on_destroy => sub {	3405	on_client_destroy => sub {
3078	my ($ns) = @_;	3406	my ($ns) = @_;
3079		3407
3080	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3081	},	3409	},
3082	);	3410	);
…		…
3098	our $safe_hole = new Safe::Hole;	3426	our $safe_hole = new Safe::Hole;
3099		3427
3100	$SIG{FPE} = 'IGNORE';	3428	$SIG{FPE} = 'IGNORE';
3101		3429
3102	$safe->permit_only (Opcode::opset qw(	3430	$safe->permit_only (Opcode::opset qw(
3103	:base_core :base_mem :base_orig :base_math	3431	:base_core :base_mem :base_orig :base_math :base_loop
3104	grepstart grepwhile mapstart mapwhile	3432	grepstart grepwhile mapstart mapwhile
3105	sort time	3433	sort time
3106	));	3434	));
3107		3435
3108	# here we export the classes and methods available to script code	3436	# here we export the classes and methods available to script code
…		…
3112	The following functions and methods are available within a safe environment:	3440	The following functions and methods are available within a safe environment:
3113		3441
3114	cf::object	3442	cf::object
3115	contr pay_amount pay_player map x y force_find force_add destroy	3443	contr pay_amount pay_player map x y force_find force_add destroy
3116	insert remove name archname title slaying race decrease split	3444	insert remove name archname title slaying race decrease split
		3445	value
3117		3446
3118	cf::object::player	3447	cf::object::player
3119	player	3448	player
3120		3449
3121	cf::player	3450	cf::player
…		…
3127	=cut	3456	=cut
3128		3457
3129	for (	3458	for (
3130	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3459	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3131	insert remove inv nrof name archname title slaying race	3460	insert remove inv nrof name archname title slaying race
3132	decrease split destroy)],	3461	decrease split destroy change_exp value msg lore send_msg)],
3133	["cf::object::player" => qw(player)],	3462	["cf::object::player" => qw(player)],
3134	["cf::player" => qw(peaceful)],	3463	["cf::player" => qw(peaceful send_msg)],
3135	["cf::map" => qw(trigger)],	3464	["cf::map" => qw(trigger)],
3136	) {	3465	) {
3137	no strict 'refs';
3138	my ($pkg, @funs) = @$_;	3466	my ($pkg, @funs) = @$_;
3139	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3467	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3140	for @funs;	3468	for @funs;
3141	}	3469	}
3142		3470
…		…
3157		3485
3158	my $qcode = $code;	3486	my $qcode = $code;
3159	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3487	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3160	$qcode =~ s/\n/\\n/g;	3488	$qcode =~ s/\n/\\n/g;
3161		3489
		3490	%vars = (_dummy => 0) unless %vars;
		3491
		3492	my @res;
3162	local $_;	3493	local $_;
3163	local @safe::cf::_safe_eval_args = values %vars;
3164		3494
3165	my $eval =	3495	my $eval =
3166	"do {\n"	3496	"do {\n"
3167	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3497	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3168	. "#line 0 \"{$qcode}\"\n"	3498	. "#line 0 \"{$qcode}\"\n"
3169	. $code	3499	. $code
3170	. "\n}"	3500	. "\n}"
3171	;	3501	;
3172		3502
		3503	if ($CFG{safe_eval}) {
3173	sub_generation_inc;	3504	sub_generation_inc;
		3505	local @safe::cf::_safe_eval_args = values %vars;
3174	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3506	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3175	sub_generation_inc;	3507	sub_generation_inc;
		3508	} else {
		3509	local @cf::_safe_eval_args = values %vars;
		3510	@res = wantarray ? eval eval : scalar eval $eval;
		3511	}
3176		3512
3177	if ($@) {	3513	if ($@) {
3178	warn "$@";	3514	warn "$@",
3179	warn "while executing safe code '$code'\n";	3515	"while executing safe code '$code'\n",
3180	warn "with arguments " . (join " ", %vars) . "\n";	3516	"with arguments " . (join " ", %vars) . "\n";
3181	}	3517	}
3182		3518
3183	wantarray ? @res : $res[0]	3519	wantarray ? @res : $res[0]
3184	}	3520	}
3185		3521
…		…
3199	=cut	3535	=cut
3200		3536
3201	sub register_script_function {	3537	sub register_script_function {
3202	my ($fun, $cb) = @_;	3538	my ($fun, $cb) = @_;
3203		3539
3204	no strict 'refs';	3540	$fun = "safe::$fun" if $CFG{safe_eval};
3205	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3541	*$fun = $safe_hole->wrap ($cb);
3206	}	3542	}
3207		3543
3208	=back	3544	=back
3209		3545
3210	=cut	3546	=cut
3211		3547
3212	#############################################################################	3548	#############################################################################
3213	# the server's init and main functions	3549	# the server's init and main functions
3214		3550
		3551	{
		3552	package cf::face;
		3553
		3554	our %HASH; # hash => idx
		3555	our @DATA; # dynamically-created facedata, only faceste 0 used
		3556	our @FOFS; # file offset, if > 0
		3557	our @SIZE; # size of face, in octets
		3558	our @META; # meta hash of face, if any
		3559	our $DATAFH; # facedata filehandle
		3560
		3561	# internal api, not finalised
		3562	sub set {
		3563	my ($name, $type, $data) = @_;
		3564
		3565	my $idx = cf::face::find $name;
		3566
		3567	if ($idx) {
		3568	delete $HASH{cf::face::get_csum $idx};
		3569	} else {
		3570	$idx = cf::face::alloc $name;
		3571	}
		3572
		3573	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3574
		3575	cf::face::set_type $idx, $type;
		3576	cf::face::set_csum $idx, 0, $hash;
		3577
		3578	# we need to destroy the SV itself, not just modify it, as a running ix
		3579	# might hold a reference to it: "delete" achieves that.
		3580	delete $FOFS[0][$idx];
		3581	delete $DATA[0][$idx];
		3582	$DATA[0][$idx] = $data;
		3583	$SIZE[0][$idx] = length $data;
		3584	delete $META[$idx];
		3585	$HASH{$hash} = $idx;#d#
		3586
		3587	$idx
		3588	}
		3589
		3590	sub _get_data($$$) {
		3591	my ($idx, $set, $cb) = @_;
		3592
		3593	if (defined $DATA[$set][$idx]) {
		3594	$cb->($DATA[$set][$idx]);
		3595	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3596	my $size = $SIZE[$set][$idx];
		3597	my $buf;
		3598	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3599	if ($_[0] == $size) {
		3600	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3601	$cb->($buf);
		3602	} else {
		3603	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3604	}
		3605	};
		3606	} else {
		3607	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3608	}
		3609	}
		3610
		3611	# rather ineffient
		3612	sub cf::face::get_data($;$) {
		3613	my ($idx, $set) = @_;
		3614
		3615	_get_data $idx, $set, Coro::rouse_cb;
		3616	Coro::rouse_wait
		3617	}
		3618
		3619	sub cf::face::ix {
		3620	my ($ns, $set, $idx, $pri) = @_;
		3621
		3622	_get_data $idx, $set, sub {
		3623	$ns->ix_send ($idx, $pri, $_[0]);
		3624	};
		3625	}
		3626	}
		3627
3215	sub load_facedata($) {	3628	sub load_facedata($) {
3216	my ($path) = @_;	3629	my ($path) = @_;
3217		3630
3218	# HACK to clear player env face cache, we need some signal framework
3219	# for this (global event?)
3220	%ext::player_env::MUSIC_FACE_CACHE = ();
3221
3222	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3631	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3223		3632
3224	warn "loading facedata from $path\n";	3633	trace "loading facedata from $path\n";
3225		3634
3226	my $facedata;	3635	my $facedata = decode_storable load_file "$path/faceinfo";
3227	0 < aio_load $path, $facedata
3228	or die "$path: $!";
3229
3230	$facedata = Coro::Storable::thaw $facedata;
3231		3636
3232	$facedata->{version} == 2	3637	$facedata->{version} == 2
3233	or cf::cleanup "$path: version mismatch, cannot proceed.";	3638	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3234		3639
3235	# patch in the exptable	3640	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3236	$facedata->{resource}{"res/exp_table"} = {	3641	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3237	type => FT_RSRC,	3642
3238	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3643	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3239	};	3644
3240	cf::cede_to_tick;	3645	# BEGIN ATOMIC
		3646	# from here on, everything must be atomic - no thread switch allowed
		3647	my $t1 = EV::time;
3241		3648
3242	{	3649	{
3243	my $faces = $facedata->{faceinfo};	3650	my $faces = $facedata->{faceinfo};
3244		3651
3245	while (my ($face, $info) = each %$faces) {	3652	for my $face (sort keys %$faces) {
		3653	my $info = $faces->{$face};
3246	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3654	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3247		3655
3248	cf::face::set_visibility $idx, $info->{visibility};	3656	cf::face::set_visibility $idx, $info->{visibility};
3249	cf::face::set_magicmap $idx, $info->{magicmap};	3657	cf::face::set_magicmap $idx, $info->{magicmap};
3250	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3658	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3251	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3659	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3252		3660	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3253	cf::cede_to_tick;	3661	$cf::face::HASH{$info->{hash64}} = $idx;
		3662	delete $cf::face::META[$idx];
3254	}	3663	}
3255		3664
3256	while (my ($face, $info) = each %$faces) {	3665	while (my ($face, $info) = each %$faces) {
3257	next unless $info->{smooth};	3666	next unless $info->{smooth};
3258		3667
…		…
3261		3670
3262	if (my $smooth = cf::face::find $info->{smooth}) {	3671	if (my $smooth = cf::face::find $info->{smooth}) {
3263	cf::face::set_smooth $idx, $smooth;	3672	cf::face::set_smooth $idx, $smooth;
3264	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3673	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3265	} else {	3674	} else {
3266	warn "smooth face '$info->{smooth}' not found for face '$face'";	3675	error "smooth face '$info->{smooth}' not found for face '$face'";
3267	}	3676	}
3268
3269	cf::cede_to_tick;
3270	}	3677	}
3271	}	3678	}
3272		3679
3273	{	3680	{
3274	my $anims = $facedata->{animinfo};	3681	my $anims = $facedata->{animinfo};
3275		3682
3276	while (my ($anim, $info) = each %$anims) {	3683	while (my ($anim, $info) = each %$anims) {
3277	cf::anim::set $anim, $info->{frames}, $info->{facings};	3684	cf::anim::set $anim, $info->{frames}, $info->{facings};
3278	cf::cede_to_tick;
3279	}	3685	}
3280		3686
3281	cf::anim::invalidate_all; # d'oh	3687	cf::anim::invalidate_all; # d'oh
3282	}	3688	}
3283		3689
3284	{	3690	{
3285	# TODO: for gcfclient pleasure, we should give resources
3286	# that gcfclient doesn't grok a >10000 face index.
3287	my $res = $facedata->{resource};	3691	my $res = $facedata->{resource};
3288		3692
3289	while (my ($name, $info) = each %$res) {	3693	while (my ($name, $info) = each %$res) {
3290	if (defined $info->{type}) {	3694	if (defined (my $type = $info->{type})) {
		3695	# TODO: different hash - must free and use new index, or cache ixface data queue
3291	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3696	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3292	my $data;
3293		3697
3294	if ($info->{type} & 1) {
3295	# prepend meta info
3296
3297	my $meta = $enc->encode ({
3298	name => $name,
3299	%{ $info->{meta} || {} },
3300	});
3301
3302	$data = pack "(w/a*)*", $meta, $info->{data};
3303	} else {
3304	$data = $info->{data};
3305	}
3306
3307	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3308	cf::face::set_type $idx, $info->{type};	3698	cf::face::set_type $idx, $type;
		3699	cf::face::set_csum $idx, 0, $info->{hash};
		3700	$cf::face::SIZE[0][$idx] = $info->{size};
		3701	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3702	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3703	$cf::face::HASH{$info->{hash}} = $idx;
3309	} else {	3704	} else {
3310	$RESOURCE{$name} = $info;	3705	# $RESOURCE{$name} = $info; # unused
3311	}	3706	}
3312
3313	cf::cede_to_tick;
3314	}	3707	}
3315	}	3708	}
		3709
		3710	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3711
		3712	# HACK to clear player env face cache, we need some signal framework
		3713	# for this (global event?)
		3714	%ext::player_env::MUSIC_FACE_CACHE = ();
		3715
		3716	# END ATOMIC
		3717
		3718	cf::debug "facedata atomic update time ", EV::time - $t1;
3316		3719
3317	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3720	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3318		3721
		3722	aio_close $fh if $fh; # close old facedata
		3723
3319	1	3724	1
3320	}	3725	}
3321
3322	cf::global->attach (on_resource_update => sub {
3323	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3324	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3325
3326	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3327	my $sound = $soundconf->{compat}[$_]
3328	or next;
3329
3330	my $face = cf::face::find "sound/$sound->[1]";
3331	cf::sound::set $sound->[0] => $face;
3332	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3333	}
3334
3335	while (my ($k, $v) = each %{$soundconf->{event}}) {
3336	my $face = cf::face::find "sound/$v";
3337	cf::sound::set $k => $face;
3338	}
3339	}
3340	});
3341		3726
3342	register_exticmd fx_want => sub {	3727	register_exticmd fx_want => sub {
3343	my ($ns, $want) = @_;	3728	my ($ns, $want) = @_;
3344		3729
3345	while (my ($k, $v) = each %$want) {	3730	while (my ($k, $v) = each %$want) {
…		…
3353	my $status = load_resource_file_ $_[0];	3738	my $status = load_resource_file_ $_[0];
3354	get_slot 0.1, 100;	3739	get_slot 0.1, 100;
3355	cf::arch::commit_load;	3740	cf::arch::commit_load;
3356		3741
3357	$status	3742	$status
		3743	}
		3744
		3745	sub reload_exp_table {
		3746	_reload_exp_table;
		3747
		3748	cf::face::set
		3749	"res/exp_table" => FT_RSRC,
		3750	JSON::XS->new->utf8->canonical->encode (
		3751	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3752	);
		3753	}
		3754
		3755	sub reload_materials {
		3756	_reload_materials;
3358	}	3757	}
3359		3758
3360	sub reload_regions {	3759	sub reload_regions {
3361	# HACK to clear player env face cache, we need some signal framework	3760	# HACK to clear player env face cache, we need some signal framework
3362	# for this (global event?)	3761	# for this (global event?)
…		…
3370	if exists $_->{match};	3769	if exists $_->{match};
3371	}	3770	}
3372	}	3771	}
3373		3772
3374	sub reload_facedata {	3773	sub reload_facedata {
3375	load_facedata "$DATADIR/facedata"	3774	load_facedata $DATADIR
3376	or die "unable to load facedata\n";	3775	or die "unable to load facedata\n";
3377	}	3776	}
3378		3777
3379	sub reload_archetypes {	3778	sub reload_archetypes {
3380	load_resource_file "$DATADIR/archetypes"	3779	load_resource_file "$DATADIR/archetypes"
3381	or die "unable to load archetypes\n";	3780	or die "unable to load archetypes\n";
		3781
		3782	cf::face::set
		3783	"res/skill_info" => FT_RSRC,
		3784	JSON::XS->new->utf8->canonical->encode (
		3785	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3786	);
		3787
		3788	cf::face::set
		3789	"res/spell_paths" => FT_RSRC,
		3790	JSON::XS->new->utf8->canonical->encode (
		3791	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3792	);
		3793
		3794	# command completion
		3795	my @commands;
		3796
		3797	for (0..cf::arch::skillvec_size - 1) {
		3798	my $skill = cf::arch::skillvec $_;
		3799	my $name = $skill->name;
		3800	my $flags = cf::skill_flags $skill->subtype;
		3801
		3802	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3803	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3804	}
		3805
		3806	cf::client::set_command_face skill => \@commands;
3382	}	3807	}
3383		3808
3384	sub reload_treasures {	3809	sub reload_treasures {
3385	load_resource_file "$DATADIR/treasures"	3810	load_resource_file "$DATADIR/treasures"
3386	or die "unable to load treasurelists\n";	3811	or die "unable to load treasurelists\n";
3387	}	3812	}
3388		3813
		3814	sub reload_sound {
		3815	trace "loading sound config from $DATADIR/sound\n";
		3816
		3817	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3818
		3819	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3820	my $sound = $soundconf->{compat}[$_]
		3821	or next;
		3822
		3823	my $face = cf::face::find "sound/$sound->[1]";
		3824	cf::sound::set $sound->[0] => $face;
		3825	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3826	}
		3827
		3828	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3829	my $face = cf::face::find "sound/$v";
		3830	cf::sound::set $k => $face;
		3831	}
		3832	}
		3833
3389	sub reload_resources {	3834	sub reload_resources {
3390	warn "reloading resource files...\n";	3835	trace "reloading resource files...\n";
3391		3836
		3837	reload_materials;
3392	reload_facedata;	3838	reload_facedata;
		3839	reload_exp_table;
		3840	reload_sound;
3393	reload_archetypes;	3841	reload_archetypes;
3394	reload_regions;	3842	reload_regions;
3395	reload_treasures;	3843	reload_treasures;
3396		3844
3397	warn "finished reloading resource files\n";	3845	trace "finished reloading resource files\n";
3398	}
3399
3400	sub init {
3401	my $guard = freeze_mainloop;
3402
3403	reload_resources;
3404	}	3846	}
3405		3847
3406	sub reload_config {	3848	sub reload_config {
3407	open my $fh, "<:utf8", "$CONFDIR/config"	3849	trace "reloading config file...\n";
3408	or return;
3409		3850
3410	local $/;	3851	my $config = load_file "$CONFDIR/config";
3411	*CFG = YAML::Load <$fh>;	3852	utf8::decode $config;
		3853	*CFG = decode_yaml $config;
3412		3854
3413	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3855	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3414		3856
3415	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3857	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3416	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3858	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3417		3859
3418	if (exists $CFG{mlockall}) {	3860	if (exists $CFG{mlockall}) {
…		…
3422	};	3864	};
3423	warn $@ if $@;	3865	warn $@ if $@;
3424	}	3866	}
3425	}	3867	}
3426		3868
		3869	sub pidfile() {
		3870	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3871	or die "$PIDFILE: $!";
		3872	flock $fh, &Fcntl::LOCK_EX
		3873	or die "$PIDFILE: flock: $!";
		3874	$fh
		3875	}
		3876
		3877	# make sure only one server instance is running at any one time
		3878	sub atomic {
		3879	my $fh = pidfile;
		3880
		3881	my $pid = <$fh>;
		3882	kill 9, $pid if $pid > 0;
		3883
		3884	seek $fh, 0, 0;
		3885	print $fh $$;
		3886	}
		3887
		3888	sub main_loop {
		3889	trace "EV::loop starting\n";
		3890	if (1) {
		3891	EV::loop;
		3892	}
		3893	trace "EV::loop returned\n";
		3894	goto &main_loop unless $REALLY_UNLOOP;
		3895	}
		3896
3427	sub main {	3897	sub main {
		3898	cf::init_globals; # initialise logging
		3899
		3900	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3901	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3902	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3903	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3904
		3905	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3906
3428	# we must not ever block the main coroutine	3907	# we must not ever block the main coroutine
3429	local $Coro::idle = sub {	3908	$Coro::idle = sub {
3430	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3909	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3431	(async {	3910	(async {
3432	$Coro::current->{desc} = "IDLE BUG HANDLER";	3911	$Coro::current->{desc} = "IDLE BUG HANDLER";
3433	EV::loop EV::LOOP_ONESHOT;	3912	EV::loop EV::LOOP_ONESHOT;
3434	})->prio (Coro::PRIO_MAX);	3913	})->prio (Coro::PRIO_MAX);
3435	};	3914	};
3436		3915
3437	{	3916	evthread_start IO::AIO::poll_fileno;
3438	my $guard = freeze_mainloop;	3917
		3918	cf::sync_job {
		3919	cf::incloader::init ();
		3920
		3921	db_init;
		3922
		3923	cf::init_anim;
		3924	cf::init_attackmess;
		3925	cf::init_dynamic;
		3926
		3927	cf::load_settings;
		3928
		3929	reload_resources;
3439	reload_config;	3930	reload_config;
3440	db_init;	3931
		3932	cf::init_uuid;
		3933	cf::init_signals;
		3934	cf::init_skills;
		3935
		3936	cf::init_beforeplay;
		3937
		3938	atomic;
		3939
3441	load_extensions;	3940	load_extensions;
3442		3941
3443	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3942	utime time, time, $RUNTIMEFILE;
		3943
		3944	# no (long-running) fork's whatsoever before this point(!)
		3945	use POSIX ();
		3946	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3947
		3948	cf::_post_init 0;
3444	}	3949	};
3445		3950
3446	EV::loop;	3951	cf::object::thawer::errors_are_fatal 0;
		3952	info "parse errors in files are no longer fatal from this point on.\n";
		3953
		3954	AE::postpone {
		3955	undef &main; # free gobs of memory :)
		3956	};
		3957
		3958	goto &main_loop;
3447	}	3959	}
3448		3960
3449	#############################################################################	3961	#############################################################################
3450	# initialisation and cleanup	3962	# initialisation and cleanup
3451		3963
3452	# install some emergency cleanup handlers	3964	# install some emergency cleanup handlers
3453	BEGIN {	3965	BEGIN {
3454	our %SIGWATCHER = ();	3966	our %SIGWATCHER = ();
3455	for my $signal (qw(INT HUP TERM)) {	3967	for my $signal (qw(INT HUP TERM)) {
3456	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3968	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3457	cf::cleanup "SIG$signal";	3969	cf::cleanup "SIG$signal";
3458	};	3970	};
3459	}	3971	}
3460	}	3972	}
3461		3973
3462	sub write_runtime_sync {	3974	sub write_runtime_sync {
3463	my $runtime = "$LOCALDIR/runtime";	3975	my $t0 = AE::time;
3464		3976
3465	# first touch the runtime file to show we are still running:	3977	# first touch the runtime file to show we are still running:
3466	# the fsync below can take a very very long time.	3978	# the fsync below can take a very very long time.
3467		3979
3468	IO::AIO::aio_utime $runtime, undef, undef;	3980	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3469		3981
3470	my $guard = cf::lock_acquire "write_runtime";	3982	my $guard = cf::lock_acquire "write_runtime";
3471		3983
3472	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3984	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3473	or return;	3985	or return;
3474		3986
3475	my $value = $cf::RUNTIME + 90 + 10;	3987	my $value = $cf::RUNTIME + 90 + 10;
3476	# 10 is the runtime save interval, for a monotonic clock	3988	# 10 is the runtime save interval, for a monotonic clock
3477	# 60 allows for the watchdog to kill the server.	3989	# 60 allows for the watchdog to kill the server.
…		…
3487	aio_utime $fh, undef, undef;	3999	aio_utime $fh, undef, undef;
3488		4000
3489	close $fh	4001	close $fh
3490	or return;	4002	or return;
3491		4003
3492	aio_rename "$runtime~", $runtime	4004	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3493	and return;	4005	and return;
3494		4006
3495	warn "runtime file written.\n";	4007	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3496		4008
3497	1	4009	1
3498	}	4010	}
3499		4011
3500	our $uuid_lock;	4012	our $uuid_lock;
…		…
3509	my $uuid = "$LOCALDIR/uuid";	4021	my $uuid = "$LOCALDIR/uuid";
3510		4022
3511	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	4023	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3512	or return;	4024	or return;
3513		4025
3514	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	4026	my $value = uuid_seq uuid_cur;
		4027
		4028	unless ($value) {
		4029	info "cowardly refusing to write zero uuid value!\n";
		4030	return;
		4031	}
		4032
		4033	my $value = uuid_str $value + $uuid_skip;
3515	$uuid_skip = 0;	4034	$uuid_skip = 0;
3516		4035
3517	(aio_write $fh, 0, (length $value), $value, 0) <= 0	4036	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3518	and return;	4037	and return;
3519		4038
…		…
3525	or return;	4044	or return;
3526		4045
3527	aio_rename "$uuid~", $uuid	4046	aio_rename "$uuid~", $uuid
3528	and return;	4047	and return;
3529		4048
3530	warn "uuid file written ($value).\n";	4049	trace "uuid file written ($value).\n";
3531		4050
3532	1	4051	1
3533		4052
3534	}	4053	}
3535		4054
…		…
3541	}	4060	}
3542		4061
3543	sub emergency_save() {	4062	sub emergency_save() {
3544	my $freeze_guard = cf::freeze_mainloop;	4063	my $freeze_guard = cf::freeze_mainloop;
3545		4064
3546	warn "enter emergency perl save\n";	4065	info "emergency_perl_save: enter\n";
		4066
		4067	# this is a trade-off: we want to be very quick here, so
		4068	# save all maps without fsync, and later call a global sync
		4069	# (which in turn might be very very slow)
		4070	local $USE_FSYNC = 0;
3547		4071
3548	cf::sync_job {	4072	cf::sync_job {
		4073	cf::write_runtime_sync; # external watchdog should not bark
		4074
3549	# use a peculiar iteration method to avoid tripping on perl	4075	# use a peculiar iteration method to avoid tripping on perl
3550	# refcount bugs in for. also avoids problems with players	4076	# refcount bugs in for. also avoids problems with players
3551	# and maps saved/destroyed asynchronously.	4077	# and maps saved/destroyed asynchronously.
3552	warn "begin emergency player save\n";	4078	info "emergency_perl_save: begin player save\n";
3553	for my $login (keys %cf::PLAYER) {	4079	for my $login (keys %cf::PLAYER) {
3554	my $pl = $cf::PLAYER{$login} or next;	4080	my $pl = $cf::PLAYER{$login} or next;
3555	$pl->valid or next;	4081	$pl->valid or next;
3556	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4082	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3557	$pl->save;	4083	$pl->save;
3558	}	4084	}
3559	warn "end emergency player save\n";	4085	info "emergency_perl_save: end player save\n";
3560		4086
3561	warn "begin emergency map save\n";	4087	cf::write_runtime_sync; # external watchdog should not bark
		4088
		4089	info "emergency_perl_save: begin map save\n";
3562	for my $path (keys %cf::MAP) {	4090	for my $path (keys %cf::MAP) {
3563	my $map = $cf::MAP{$path} or next;	4091	my $map = $cf::MAP{$path} or next;
3564	$map->valid or next;	4092	$map->valid or next;
3565	$map->save;	4093	$map->save;
3566	}	4094	}
3567	warn "end emergency map save\n";	4095	info "emergency_perl_save: end map save\n";
3568		4096
3569	warn "begin emergency database checkpoint\n";	4097	cf::write_runtime_sync; # external watchdog should not bark
		4098
		4099	info "emergency_perl_save: begin database checkpoint\n";
3570	BDB::db_env_txn_checkpoint $DB_ENV;	4100	BDB::db_env_txn_checkpoint $DB_ENV;
3571	warn "end emergency database checkpoint\n";	4101	info "emergency_perl_save: end database checkpoint\n";
3572		4102
3573	warn "begin write uuid\n";	4103	info "emergency_perl_save: begin write uuid\n";
3574	write_uuid_sync 1;	4104	write_uuid_sync 1;
3575	warn "end write uuid\n";	4105	info "emergency_perl_save: end write uuid\n";
		4106
		4107	cf::write_runtime_sync; # external watchdog should not bark
		4108
		4109	trace "emergency_perl_save: syncing database to disk";
		4110	BDB::db_env_txn_checkpoint $DB_ENV;
		4111
		4112	info "emergency_perl_save: starting sync\n";
		4113	IO::AIO::aio_sync sub {
		4114	info "emergency_perl_save: finished sync\n";
		4115	};
		4116
		4117	cf::write_runtime_sync; # external watchdog should not bark
		4118
		4119	trace "emergency_perl_save: flushing outstanding aio requests";
		4120	while (IO::AIO::nreqs || BDB::nreqs) {
		4121	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4122	}
		4123
		4124	cf::write_runtime_sync; # external watchdog should not bark
3576	};	4125	};
3577		4126
3578	warn "leave emergency perl save\n";	4127	info "emergency_perl_save: leave\n";
3579	}	4128	}
3580		4129
3581	sub post_cleanup {	4130	sub post_cleanup {
3582	my ($make_core) = @_;	4131	my ($make_core) = @_;
3583		4132
		4133	IO::AIO::flush;
		4134
3584	warn Carp::longmess "post_cleanup backtrace"	4135	error Carp::longmess "post_cleanup backtrace"
3585	if $make_core;	4136	if $make_core;
		4137
		4138	my $fh = pidfile;
		4139	unlink $PIDFILE if <$fh> == $$;
		4140	}
		4141
		4142	# a safer delete_package, copied from Symbol
		4143	sub clear_package($) {
		4144	my $pkg = shift;
		4145
		4146	# expand to full symbol table name if needed
		4147	unless ($pkg =~ /^main::.*::$/) {
		4148	$pkg = "main$pkg" if $pkg =~ /^::/;
		4149	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4150	$pkg .= '::' unless $pkg =~ /::$/;
		4151	}
		4152
		4153	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4154	my $stem_symtab = *{$stem}{HASH};
		4155
		4156	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4157	or return;
		4158
		4159	# clear all symbols
		4160	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4161	for my $name (keys %$leaf_symtab) {
		4162	_gv_clear *{"$pkg$name"};
		4163	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4164	}
3586	}	4165	}
3587		4166
3588	sub do_reload_perl() {	4167	sub do_reload_perl() {
3589	# can/must only be called in main	4168	# can/must only be called in main
3590	if ($Coro::current != $Coro::main) {	4169	unless (in_main) {
3591	warn "can only reload from main coroutine";	4170	error "can only reload from main coroutine";
3592	return;	4171	return;
3593	}	4172	}
3594		4173
3595	warn "reloading...";	4174	return if $RELOAD++;
3596		4175
3597	warn "entering sync_job";	4176	my $t1 = AE::time;
3598		4177
		4178	while ($RELOAD) {
		4179	cf::get_slot 0.1, -1, "reload_perl";
		4180	info "perl_reload: reloading...";
		4181
		4182	trace "perl_reload: entering sync_job";
		4183
3599	cf::sync_job {	4184	cf::sync_job {
3600	cf::write_runtime_sync; # external watchdog should not bark
3601	cf::emergency_save;	4185	#cf::emergency_save;
3602	cf::write_runtime_sync; # external watchdog should not bark
3603		4186
3604	warn "syncing database to disk";
3605	BDB::db_env_txn_checkpoint $DB_ENV;
3606
3607	# if anything goes wrong in here, we should simply crash as we already saved
3608
3609	warn "flushing outstanding aio requests";
3610	for (;;) {
3611	BDB::flush;
3612	IO::AIO::flush;
3613	Coro::cede_notself;
3614	last unless IO::AIO::nreqs || BDB::nreqs;
3615	warn "iterate...";
3616	}
3617
3618	++$RELOAD;
3619
3620	warn "cancelling all extension coros";	4187	trace "perl_reload: cancelling all extension coros";
3621	$_->cancel for values %EXT_CORO;	4188	$_->cancel for values %EXT_CORO;
3622	%EXT_CORO = ();	4189	%EXT_CORO = ();
3623		4190
3624	warn "removing commands";	4191	trace "perl_reload: removing commands";
3625	%COMMAND = ();	4192	%COMMAND = ();
3626		4193
3627	warn "removing ext/exti commands";	4194	trace "perl_reload: removing ext/exti commands";
3628	%EXTCMD = ();	4195	%EXTCMD = ();
3629	%EXTICMD = ();	4196	%EXTICMD = ();
3630		4197
3631	warn "unloading/nuking all extensions";	4198	trace "perl_reload: unloading/nuking all extensions";
3632	for my $pkg (@EXTS) {	4199	for my $pkg (@EXTS) {
3633	warn "... unloading $pkg";	4200	trace "... unloading $pkg";
3634		4201
3635	if (my $cb = $pkg->can ("unload")) {	4202	if (my $cb = $pkg->can ("unload")) {
3636	eval {	4203	eval {
3637	$cb->($pkg);	4204	$cb->($pkg);
3638	1	4205	1
3639	} or warn "$pkg unloaded, but with errors: $@";	4206	} or error "$pkg unloaded, but with errors: $@";
		4207	}
		4208
		4209	trace "... clearing $pkg";
		4210	clear_package $pkg;
3640	}	4211	}
3641		4212
3642	warn "... nuking $pkg";
3643	Symbol::delete_package $pkg;
3644	}
3645
3646	warn "unloading all perl modules loaded from $LIBDIR";	4213	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3647	while (my ($k, $v) = each %INC) {	4214	while (my ($k, $v) = each %INC) {
3648	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4215	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3649		4216
3650	warn "... unloading $k";	4217	trace "... unloading $k";
3651	delete $INC{$k};	4218	delete $INC{$k};
3652		4219
3653	$k =~ s/\.pm$//;	4220	$k =~ s/\.pm$//;
3654	$k =~ s/\//::/g;	4221	$k =~ s/\//::/g;
3655		4222
3656	if (my $cb = $k->can ("unload_module")) {	4223	if (my $cb = $k->can ("unload_module")) {
3657	$cb->();	4224	$cb->();
		4225	}
		4226
		4227	clear_package $k;
3658	}	4228	}
3659		4229
3660	Symbol::delete_package $k;
3661	}
3662
3663	warn "getting rid of safe::, as good as possible";	4230	trace "perl_reload: getting rid of safe::, as good as possible";
3664	Symbol::delete_package "safe::$_"	4231	clear_package "safe::$_"
3665	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4232	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3666		4233
3667	warn "unloading cf.pm \"a bit\"";	4234	trace "perl_reload: unloading cf.pm \"a bit\"";
3668	delete $INC{"cf.pm"};	4235	delete $INC{"cf.pm"};
3669	delete $INC{"cf/pod.pm"};	4236	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3670		4237
3671	# don't, removes xs symbols, too,	4238	# don't, removes xs symbols, too,
3672	# and global variables created in xs	4239	# and global variables created in xs
3673	#Symbol::delete_package __PACKAGE__;	4240	#clear_package __PACKAGE__;
3674		4241
3675	warn "unload completed, starting to reload now";	4242	info "perl_reload: unload completed, starting to reload now";
3676		4243
3677	warn "reloading cf.pm";	4244	trace "perl_reload: reloading cf.pm";
3678	require cf;	4245	require cf;
3679	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4246	cf::_connect_to_perl_1;
3680		4247
3681	warn "loading config and database again";	4248	trace "perl_reload: loading config and database again";
3682	cf::reload_config;	4249	cf::reload_config;
3683		4250
3684	warn "loading extensions";	4251	trace "perl_reload: loading extensions";
3685	cf::load_extensions;	4252	cf::load_extensions;
3686		4253
		4254	if ($REATTACH_ON_RELOAD) {
3687	warn "reattaching attachments to objects/players";	4255	trace "perl_reload: reattaching attachments to objects/players";
3688	_global_reattach; # objects, sockets	4256	_global_reattach; # objects, sockets
3689	warn "reattaching attachments to maps";	4257	trace "perl_reload: reattaching attachments to maps";
3690	reattach $_ for values %MAP;	4258	reattach $_ for values %MAP;
3691	warn "reattaching attachments to players";	4259	trace "perl_reload: reattaching attachments to players";
3692	reattach $_ for values %PLAYER;	4260	reattach $_ for values %PLAYER;
		4261	}
3693		4262
3694	warn "leaving sync_job";	4263	cf::_post_init 1;
3695		4264
		4265	trace "perl_reload: leaving sync_job";
		4266
3696	1	4267	1
3697	} or do {	4268	} or do {
3698	warn $@;	4269	error $@;
3699	cf::cleanup "error while reloading, exiting.";	4270	cf::cleanup "perl_reload: error, exiting.";
		4271	};
		4272
		4273	--$RELOAD;
3700	};	4274	}
3701		4275
3702	warn "reloaded";	4276	$t1 = AE::time - $t1;
		4277	info "perl_reload: completed in ${t1}s\n";
3703	};	4278	};
3704		4279
3705	our $RELOAD_WATCHER; # used only during reload	4280	our $RELOAD_WATCHER; # used only during reload
3706		4281
3707	sub reload_perl() {	4282	sub reload_perl() {
3708	# doing reload synchronously and two reloads happen back-to-back,	4283	# doing reload synchronously and two reloads happen back-to-back,
3709	# coro crashes during coro_state_free->destroy here.	4284	# coro crashes during coro_state_free->destroy here.
3710		4285
		4286	$RELOAD_WATCHER ||= cf::async {
		4287	Coro::AIO::aio_wait cache_extensions;
		4288
3711	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4289	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3712	do_reload_perl;	4290	do_reload_perl;
3713	undef $RELOAD_WATCHER;	4291	undef $RELOAD_WATCHER;
		4292	};
3714	};	4293	};
3715	}	4294	}
3716		4295
3717	register_command "reload" => sub {	4296	register_command "reload" => sub {
3718	my ($who, $arg) = @_;	4297	my ($who, $arg) = @_;
…		…
3724	reload_perl;	4303	reload_perl;
3725	};	4304	};
3726	}	4305	}
3727	};	4306	};
3728		4307
3729	unshift @INC, $LIBDIR;	4308	#############################################################################
3730		4309
3731	my $bug_warning = 0;	4310	my $bug_warning = 0;
3732		4311
3733	our @WAIT_FOR_TICK;
3734	our @WAIT_FOR_TICK_BEGIN;
3735
3736	sub wait_for_tick {	4312	sub wait_for_tick() {
3737	return if tick_inhibit || $Coro::current == $Coro::main;	4313	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3738		4314
3739	my $signal = new Coro::Signal;	4315	$WAIT_FOR_TICK->wait;
3740	push @WAIT_FOR_TICK, $signal;
3741	$signal->wait;
3742	}	4316	}
3743		4317
3744	sub wait_for_tick_begin {	4318	sub wait_for_tick_begin() {
3745	return if tick_inhibit || $Coro::current == $Coro::main;	4319	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3746		4320
3747	my $signal = new Coro::Signal;	4321	my $signal = new Coro::Signal;
3748	push @WAIT_FOR_TICK_BEGIN, $signal;	4322	push @WAIT_FOR_TICK_BEGIN, $signal;
3749	$signal->wait;	4323	$signal->wait;
3750	}	4324	}
…		…
3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4328	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3755	unless ++$bug_warning > 10;	4329	unless ++$bug_warning > 10;
3756	return;	4330	return;
3757	}	4331	}
3758		4332
3759	cf::server_tick; # one server iteration	4333	cf::one_tick; # one server iteration
		4334
		4335	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3760		4336
3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4337	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4338	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3763	Coro::async_pool {	4339	Coro::async_pool {
3764	$Coro::current->{desc} = "runtime saver";	4340	$Coro::current->{desc} = "runtime saver";
3765	write_runtime_sync	4341	write_runtime_sync
3766	or warn "ERROR: unable to write runtime file: $!";	4342	or error "ERROR: unable to write runtime file: $!";
3767	};	4343	};
3768	}	4344	}
3769		4345
3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4346	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3771	$sig->send;	4347	$sig->send;
3772	}	4348	}
3773	while (my $sig = shift @WAIT_FOR_TICK) {	4349	$WAIT_FOR_TICK->broadcast;
3774	$sig->send;
3775	}
3776		4350
3777	$LOAD = ($NOW - $TICK_START) / $TICK;	4351	$LOAD = ($NOW - $TICK_START) / $TICK;
3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4352	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3779		4353
3780	if (0) {	4354	if (0) {
3781	if ($NEXT_TICK) {	4355	if ($NEXT_TICK) {
3782	my $jitter = $TICK_START - $NEXT_TICK;	4356	my $jitter = $TICK_START - $NEXT_TICK;
3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4357	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3784	warn "jitter $JITTER\n";#d#	4358	debug "jitter $JITTER\n";#d#
3785	}	4359	}
3786	}	4360	}
3787	}	4361	}
3788		4362
3789	{	4363	{
3790	# configure BDB	4364	# configure BDB
		4365	info "initialising database";
3791		4366
3792	BDB::min_parallel 8;	4367	BDB::min_parallel 16;
3793	BDB::max_poll_reqs $TICK * 0.1;	4368	BDB::max_poll_reqs $TICK * 0.1;
3794	$AnyEvent::BDB::WATCHER->priority (1);	4369	#$AnyEvent::BDB::WATCHER->priority (1);
3795		4370
3796	unless ($DB_ENV) {	4371	unless ($DB_ENV) {
3797	$DB_ENV = BDB::db_env_create;	4372	$DB_ENV = BDB::db_env_create;
3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4373	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3799	| BDB::LOG_AUTOREMOVE, 1);	4374	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4375	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3800	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4376	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3801	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4377	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3802		4378
3803	cf::sync_job {	4379	cf::sync_job {
3804	eval {	4380	eval {
…		…
3823	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4399	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3824	};	4400	};
3825	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4401	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3826	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4402	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3827	};	4403	};
		4404
		4405	info "database initialised";
3828	}	4406	}
3829		4407
3830	{	4408	{
3831	# configure IO::AIO	4409	# configure IO::AIO
3832		4410
		4411	info "initialising aio";
3833	IO::AIO::min_parallel 8;	4412	IO::AIO::min_parallel 8;
3834	IO::AIO::max_poll_time $TICK * 0.1;	4413	IO::AIO::max_poll_time $TICK * 0.1;
3835	#undef $AnyEvent::AIO::WATCHER;	4414	undef $AnyEvent::AIO::WATCHER;
		4415	info "aio initialised";
3836	}	4416	}
3837		4417
3838	my $_log_backtrace;	4418	our $_log_backtrace;
		4419	our $_log_backtrace_last;
3839		4420
3840	sub _log_backtrace {	4421	sub _log_backtrace {
3841	my ($msg, @addr) = @_;	4422	my ($msg, @addr) = @_;
3842		4423
3843	$msg =~ s/\n//;	4424	$msg =~ s/\n$//;
3844		4425
		4426	if ($_log_backtrace_last eq $msg) {
		4427	LOG llevInfo, "[ABT] $msg\n";
		4428	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3845	# limit the # of concurrent backtraces	4429	# limit the # of concurrent backtraces
3846	if ($_log_backtrace < 2) {	4430	} elsif ($_log_backtrace < 2) {
		4431	$_log_backtrace_last = $msg;
3847	++$_log_backtrace;	4432	++$_log_backtrace;
		4433	my $perl_bt = Carp::longmess $msg;
3848	async {	4434	async {
3849	$Coro::current->{desc} = "abt $msg";	4435	$Coro::current->{desc} = "abt $msg";
3850		4436
3851	my @bt = fork_call {	4437	my @bt = fork_call {
3852	@addr = map { sprintf "%x", $_ } @addr;	4438	@addr = map { sprintf "%x", $_ } @addr;
…		…
3863	}	4449	}
3864		4450
3865	@funcs	4451	@funcs
3866	};	4452	};
3867		4453
3868	LOG llevInfo, "[ABT] $msg\n";	4454	LOG llevInfo, "[ABT] $perl_bt\n";
		4455	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3869	LOG llevInfo, "[ABT] $_\n" for @bt;	4456	LOG llevInfo, "[ABT] $_\n" for @bt;
3870	--$_log_backtrace;	4457	--$_log_backtrace;
3871	};	4458	};
3872	} else {	4459	} else {
3873	LOG llevInfo, "[ABT] $msg\n";	4460	LOG llevInfo, "[ABT] $msg\n";
3874	LOG llevInfo, "[ABT] [suppressed]\n";	4461	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3875	}	4462	}
3876	}	4463	}
3877		4464
3878	# load additional modules	4465	# load additional modules
3879	use cf::pod;	4466	require "cf/$_.pm" for @EXTRA_MODULES;
		4467	cf::_connect_to_perl_2;
3880		4468
3881	END { cf::emergency_save }	4469	END { cf::emergency_save }
3882		4470
3883	evthread_start IO::AIO::poll_fileno;
3884
3885	1	4471	1
3886		4472

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