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Revision 1.424 by root, Sun Apr 20 05:24:55 2008 UTC vs.
Revision 1.599 by root, Sun Nov 11 04:29:11 2012 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
18	#	18	# <http://www.gnu.org/licenses/>.
		19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use utf8;	25	use common::sense;
25	use strict;
26		26
27	use Symbol;	27	use Symbol;
28	use List::Util;	28	use List::Util;
29	use Socket;	29	use Socket;
30	use EV 3.2;	30	use EV;
31	use Opcode;	31	use Opcode;
32	use Safe;	32	use Safe;
33	use Safe::Hole;	33	use Safe::Hole;
34	use Storable ();	34	use Storable ();
		35	use Carp ();
35		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
36	use Coro 4.50 ();	41	use Coro ();
37	use Coro::State;	42	use Coro::State;
38	use Coro::Handle;	43	use Coro::Handle;
39	use Coro::EV;	44	use Coro::EV;
		45	use Coro::AnyEvent;
40	use Coro::Timer;	46	use Coro::Timer;
41	use Coro::Signal;	47	use Coro::Signal;
42	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
43	use Coro::AIO;	51	use Coro::AIO;
44	use Coro::BDB;	52	use Coro::BDB 1.6;
45	use Coro::Storable;	53	use Coro::Storable;
46	use Coro::Util ();	54	use Coro::Util ();
47		55
		56	use Guard ();
48	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
49	use BDB ();	58	use BDB ();
50	use Data::Dumper;	59	use Data::Dumper;
51	use Digest::MD5;
52	use Fcntl;	60	use Fcntl;
53	use YAML ();	61	use YAML::XS ();
54	use IO::AIO 2.51 ();	62	use IO::AIO ();
55	use Time::HiRes;
56	use Compress::LZF;	63	use Compress::LZF;
57	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
58		67
59	# configure various modules to our taste	68	# configure various modules to our taste
60	#	69	#
61	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64		78
65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
66		81
67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
68		85
69	our %COMMAND = ();	86	our %COMMAND = ();
70	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
71		88
72	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
73	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
74	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
77		96
78	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
80		101
81	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
82	our $DATADIR = datadir;	104	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
86	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
92	our %RESOURCE;	115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
93		125
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95	our $AIO_POLL_WATCHER;
96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	128	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		130
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	134	our $DB_ENV;
105		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
106	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
107		140
108	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
110	our $NOW;	144	our $NOW;
111		145
112	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
113	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
114	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
…		…
119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	155	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
123		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
124	binmode STDOUT;	166	binmode STDOUT;
125	binmode STDERR;	167	binmode STDERR;
126		168
127	# read virtual server time, if available	169	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
132	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
133		177
134	mkdir $_	178	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		180
137	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
138		182
139	sub cf::map::normalise;	183	sub cf::map::normalise;
140		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
141	#############################################################################	189	#############################################################################
142		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
143	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
144		203
145	=over 4	204	=over 4
146		205
147	=item $cf::UPTIME	206	=item $cf::UPTIME
148		207
149	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
150		224
151	=item $cf::RUNTIME	225	=item $cf::RUNTIME
152		226
153	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
154	every server tick.	228	every server tick.
155		229
156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
159		233
160	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
162	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
163	database environment.	237	database environment.
164		238
165	=item $cf::NOW
166
167	The time of the last (current) server tick.
168
169	=item $cf::TICK
170
171	The interval between server ticks, in seconds.
172
173	=item $cf::LOADAVG	239	=item $cf::LOADAVG
174		240
175	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
176	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
177	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
186	from wherever your confdir points to.	252	from wherever your confdir points to.
187		253
188	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
189		255
190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
191	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
193		277
194	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
195		279
196	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198	that call.	282	that call.
199		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
200	=back	290	=back
201		291
202	=cut	292	=cut
203		293
204	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
205	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
206	my $msg = join "", @_;	301	my $msg = join "", @_;
207		302
208	$msg .= "\n"	303	$msg .= "\n"
209	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
210		305
211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
212		307
213	LOG llevError, $msg;	308	LOG llevWarn, $msg;
214	};	309	};
215	}
216		310
217	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
219		313
220	if ($Coro::current == $Coro::main) {#d#	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	318	return;#d#
223	}#d#	319	}#d#
224		320
225	# kill coroutine otherwise	321	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	322	Coro::terminate
228	};	323	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		324
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	335	for my $pkg (qw(
243	cf::global cf::attachable	336	cf::global cf::attachable
244	cf::object cf::object::player	337	cf::object cf::object::player
245	cf::client cf::player	338	cf::client cf::player
246	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
247	cf::map cf::party cf::region	341	cf::party cf::region
248	)) {	342	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	344	}
252		345
253	$EV::DIED = sub {	346	$EV::DIED = sub {
254	warn "error in event callback: @_";	347	warn "error in event callback: $@";
255	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
256		354
257	#############################################################################	355	#############################################################################
258		356
259	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
260		358
…		…
281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
282	$d	380	$d
283	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
284	}	382	}
285		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
286	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
287		437
288	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
289		439
290	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		447
298	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
300		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
301	=item cf::lock_wait $string	513	=item cf::lock_wait $string
302		514
303	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
304		516
305	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
306		518
307	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
309	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
310	returned.	522	returned.
311		523
312	Locks are *not* recursive, locking from the same coro twice results in a	524	Locks are *not* recursive, locking from the same coro twice results in a
313	deadlocked coro.	525	deadlocked coro.
…		…
319		531
320	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
321		533
322	=cut	534	=cut
323		535
324	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		537
327	sub lock_wait($) {	538	sub lock_wait($) {
328	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
329
330	if ($LOCKER{$key} == $Coro::current) {#d#
331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332	return;#d#
333	}#d#
334
335	# wait for lock, if any
336	while ($LOCK{$key}) {
337	push @{ $LOCK{$key} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	540	}
341		541
342	sub lock_acquire($) {	542	sub lock_acquire($) {
343	my ($key) = @_;	543	$LOCKS->guard ($_[0])
344
345	# wait, to be sure we are not locked
346	lock_wait $key;
347
348	$LOCK{$key} = [];
349	$LOCKER{$key} = $Coro::current;#d#
350
351	Coro::guard {
352	delete $LOCKER{$key};#d#
353	# wake up all waiters, to be on the safe side
354	$_->ready for @{ delete $LOCK{$key} };
355	}
356	}	544	}
357		545
358	sub lock_active($) {	546	sub lock_active($) {
359	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	548	}
363		549
364	sub freeze_mainloop {	550	sub freeze_mainloop {
365	tick_inhibit_inc;	551	tick_inhibit_inc;
366		552
367	Coro::guard \&tick_inhibit_dec;	553	&Guard::guard (\&tick_inhibit_dec);
368	}	554	}
369		555
370	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
371		557
372	Like EV::periodic, but randomly selects a starting point so that the actions	558	Like EV::periodic, but randomly selects a starting point so that the actions
373	get spread over timer.	559	get spread over time.
374		560
375	=cut	561	=cut
376		562
377	sub periodic($$) {	563	sub periodic($$) {
378	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
382	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
383	}	569	}
384		570
385	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
386		572
387	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
388	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
389	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
390		580
391	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
392	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
393		583
394	Useful for short background jobs.	584	Useful for short background jobs.
395		585
396	=cut	586	=cut
397		587
398	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
399	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
400		591
401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
403	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
404		595
405	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
406		598
407	while () {	599	while () {
408	next_job:	600	next_job:
		601
409	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
410	if ($avail > 0.01) {	603
411	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
412	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
413	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
414	$job->[2]->send;	608	$job->[2]->send;
415	Coro::cede;	609	Coro::cede;
416	goto next_job;	610	goto next_job;
417	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
418	}	613	}
419	}	614	}
420		615
421	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
422	# we do not use wait_for_tick() as it returns immediately when tick is inactive	617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
423	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
424	$signal->wait;
425	} else {	619	} else {
		620	$busy = 0;
426	Coro::schedule;	621	Coro::schedule;
427	}	622	}
428	}	623	}
429	};	624	};
430		625
431	sub get_slot($;$$) {	626	sub get_slot($;$$) {
432	return if tick_inhibit || $Coro::current == $Coro::main;	627	return if tick_inhibit || $Coro::current == $Coro::main;
433		628
434	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
435		630
436	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
437	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
438		634
439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
441	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
467	=cut	663	=cut
468		664
469	sub sync_job(&) {	665	sub sync_job(&) {
470	my ($job) = @_;	666	my ($job) = @_;
471		667
472	if ($Coro::current == $Coro::main) {	668	if (in_main) {
473	my $time = EV::time;	669	my $time = AE::time;
474		670
475	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
476	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
477		673
478	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
479		675
480	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
481		677
482	my $busy = 1;	678	my $busy = 1;
483	my @res;	679	my @res;
484		680
485	(async {	681	(async {
486	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
487	@res = eval { $job->() };	683	@res = eval { $job->() };
488	warn $@ if $@;	684	error $@ if $@;
489	undef $busy;	685	undef $busy;
490	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
491		687
492	while ($busy) {	688	while ($busy) {
493	if (Coro::nready) {	689	if (Coro::nready) {
…		…
495	} else {	691	} else {
496	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_ONESHOT;
497	}	693	}
498	}	694	}
499		695
500	my $time = EV::time - $time;	696	my $time = AE::time - $time;
501		697
502	$TICK_START += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
503		699
504	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
505	} else {	701	} else {
…		…
527	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
528		724
529	$coro	725	$coro
530	}	726	}
531		727
532	=item fork_call { }, $args	728	=item fork_call { }, @args
533		729
534	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
535	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
536	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
537	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
538		734
539	=cut	735	=cut
540		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
541	sub fork_call(&@) {	741	sub fork_call(&@) {
542	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
543		743
544	# we seemingly have to make a local copy of the whole thing,	744	# we seemingly have to make a local copy of the whole thing,
545	# otherwise perl prematurely frees the stuff :/	745	# otherwise perl prematurely frees the stuff :/
546	# TODO: investigate and fix (likely this will be rather laborious)	746	# TODO: investigate and fix (likely this will be rather laborious)
547		747
548	my @res = Coro::Util::fork_eval {	748	my @res = Coro::Util::fork_eval {
549	reset_signals;	749	cf::post_fork;
550	&$cb	750	&$cb
551	}, @args;	751	} @args;
552		752
553	wantarray ? @res : $res[-1]	753	wantarray ? @res : $res[-1]
		754	}
		755
		756	sub objinfo {
		757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
554	}	765	}
555		766
556	=item $coin = coin_from_name $name	767	=item $coin = coin_from_name $name
557		768
558	=cut	769	=cut
…		…
595	within each server.	806	within each server.
596		807
597	=cut	808	=cut
598		809
599	sub db_table($) {	810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
600	my ($name) = @_;	814	my ($name) = @_;
601	my $db = BDB::db_create $DB_ENV;	815	my $db = BDB::db_create $DB_ENV;
602		816
603	eval {	817	eval {
604	$db->set_flags (BDB::CHKSUM);	818	$db->set_flags (BDB::CHKSUM);
…		…
614	}	828	}
615		829
616	our $DB;	830	our $DB;
617		831
618	sub db_init {	832	sub db_init {
619	cf::sync_job {
620	$DB ||= db_table "db";	833	$DB ||= db_table "db";
621	};
622	}	834	}
623		835
624	sub db_get($$) {	836	sub db_get($$) {
625	my $key = "$_[0]/$_[1]";	837	my $key = "$_[0]/$_[1]";
626		838
627	cf::sync_job {	839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
628	BDB::db_get $DB, undef, $key, my $data;	842	BDB::db_get $DB, undef, $key, my $data;
629		843
630	$! ? ()	844	$! ? ()
631	: $data	845	: $data
632	}
633	}	846	}
634		847
635	sub db_put($$$) {	848	sub db_put($$$) {
636	BDB::dbreq_pri 4;	849	BDB::dbreq_pri 4;
637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
665		878
666	my @data;	879	my @data;
667	my $md5;	880	my $md5;
668		881
669	for (0 .. $#$src) {	882	for (0 .. $#$src) {
670	0 <= aio_load $src->[$_], $data[$_]	883	$data[$_] = load_file $src->[$_];
671	or Carp::croak "$src->[$_]: $!";
672	}	884	}
673		885
674	# if processing is expensive, check	886	# if processing is expensive, check
675	# checksum first	887	# checksum first
676	if (1) {	888	if (1) {
…		…
689		901
690	return db_get cache => "$id/data";	902	return db_get cache => "$id/data";
691	}	903	}
692	}	904	}
693		905
694	my $t1 = Time::HiRes::time;	906	my $t1 = EV::time;
695	my $data = $process->(\@data);	907	my $data = $process->(\@data);
696	my $t2 = Time::HiRes::time;	908	my $t2 = EV::time;
697		909
698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
699		911
700	db_put cache => "$id/data", $data;	912	db_put cache => "$id/data", $data;
701	db_put cache => "$id/md5" , $md5;	913	db_put cache => "$id/md5" , $md5;
702	db_put cache => "$id/meta", $meta;	914	db_put cache => "$id/meta", $meta;
703		915
…		…
713		925
714	=cut	926	=cut
715		927
716	sub datalog($@) {	928	sub datalog($@) {
717	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
719	}	931	}
720		932
721	=back	933	=back
722		934
723	=cut	935	=cut
724		936
725	#############################################################################	937	#############################################################################
726		938
727	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
728		940
729	Many objects in crossfire are so-called attachable objects. That means you can	941	Many objects in deliantra are so-called attachable objects. That means you can
730	attach callbacks/event handlers (a collection of which is called an "attachment")	942	attach callbacks/event handlers (a collection of which is called an "attachment")
731	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
732		944
733	In the following description, CLASS can be any of C<global>, C<object>	945	In the following description, CLASS can be any of C<global>, C<object>
734	C<player>, C<client> or C<map> (i.e. the attachable objects in	946	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
784	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
785		997
786	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
787	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
788		1000
789	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
790	that are attached at load/instantiate time, thus the need for a name.	1002	that are attached at load/instantiate time, thus the need for a name.
791		1003
792	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
793		1005
794	=over 4	1006	=over 4
…		…
918		1130
919	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
920	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
921		1133
922	} elsif (ref $type) {	1134	} elsif (ref $type) {
923	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
924		1136
925	} else {	1137	} else {
926	shift @arg;	1138	shift @arg;
927	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
928	}	1140	}
929	}	1141	}
930	}	1142	}
931		1143
932	sub _object_attach {	1144	sub _object_attach {
…		…
942	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
943	}	1155	}
944		1156
945	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
946	} else {	1158	} else {
947	warn "object uses attachment '$name' which is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
948	}	1160	}
949		1161
950	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
951	}	1163	}
952		1164
…		…
1011		1223
1012	for (@$callbacks) {	1224	for (@$callbacks) {
1013	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
1014		1226
1015	if ($@) {	1227	if ($@) {
1016	warn "$@";
1017	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1018	override;	1229	override;
1019	}	1230	}
1020		1231
1021	return 1 if $override;	1232	return 1 if $override;
1022	}	1233	}
…		…
1085		1296
1086	sub reattach {	1297	sub reattach {
1087	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
1088	my ($obj) = @_;	1299	my ($obj) = @_;
1089		1300
		1301	# no longer needed after getting rid of delete_package?
1090	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1302	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1091		1303
1092	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
1093		1305
1094	@$registry = ();	1306	@$registry = ();
1095		1307
…		…
1100	for (@$attach) {	1312	for (@$attach) {
1101	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
1102	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
1103	}	1315	}
1104	} else {	1316	} else {
1105	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
1106	}	1318	}
1107	}	1319	}
1108	}	1320	}
1109		1321
1110	cf::attachable->attach (	1322	cf::attachable->attach (
…		…
1137	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
1138		1350
1139	sync_job {	1351	sync_job {
1140	if (length $$rdata) {	1352	if (length $$rdata) {
1141	utf8::decode (my $decname = $filename);	1353	utf8::decode (my $decname = $filename);
1142	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
1143	$decname, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
1144		1357
1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1146	chmod SAVE_MODE, $fh;	1359	aio_chmod $fh, SAVE_MODE;
1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1148	aio_fsync $fh if $cf::USE_FSYNC;	1361	if ($cf::USE_FSYNC) {
		1362	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;
		1363	aio_fsync $fh;
		1364	}
1149	close $fh;	1365	aio_close $fh;
1150		1366
1151	if (@$objs) {	1367	if (@$objs) {
1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1368	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1153	chmod SAVE_MODE, $fh;	1369	aio_chmod $fh, SAVE_MODE;
1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1155	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
1156	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	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;
		1374	aio_fsync $fh;
		1375	}
1157	close $fh;	1376	aio_close $fh;
1158	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
1159	}	1378	}
1160	} else {	1379	} else {
1161	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
1162	}	1381	}
1163		1382
1164	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
1165	} else {	1387	} else {
1166	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
1167	}	1389	}
1168	} else {	1390	} else {
1169	aio_unlink $filename;	1391	aio_unlink $filename;
1170	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
1171	}	1393	}
…		…
1195	my $st = eval { Coro::Storable::thaw $av };	1417	my $st = eval { Coro::Storable::thaw $av };
1196	$av = $st->{objs};	1418	$av = $st->{objs};
1197	}	1419	}
1198		1420
1199	utf8::decode (my $decname = $filename);	1421	utf8::decode (my $decname = $filename);
1200	warn sprintf "loading %s (%d,%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
1201	$decname, length $data, scalar @{$av || []};	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
1202		1425
1203	($data, $av)	1426	($data, $av)
1204	}	1427	}
1205		1428
1206	=head2 COMMAND CALLBACKS	1429	=head2 COMMAND CALLBACKS
…		…
1210	=cut	1433	=cut
1211		1434
1212	#############################################################################	1435	#############################################################################
1213	# command handling &c	1436	# command handling &c
1214		1437
1215	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
1216		1439
1217	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
1218	$name.	1441	$name.
1219		1442
1220	=cut	1443	=cut
…		…
1226	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
1227		1450
1228	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
1229	}	1452	}
1230		1453
1231	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
1232		1455
1233	Register a callback for execution when the client sends an (synchronous)	1456	Register a callback for execution when the client sends an (synchronous)
1234	extcmd packet. Ext commands will be processed in the order they are	1457	extcmd packet. Ext commands will be processed in the order they are
1235	received by the server, like other user commands. The first argument is	1458	received by the server, like other user commands. The first argument is
1236	the logged-in player. Ext commands can only be processed after a player	1459	the logged-in player. Ext commands can only be processed after a player
1237	has logged in successfully.	1460	has logged in successfully.
1238		1461
1239	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
1240	called.
1241		1463
		1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
1242	=item cf::register_exticmd $name => \&callback($ns,$packet);	1469	=item cf::register_exticmd $name => \&callback($ns,@args)
1243		1470
1244	Register a callback for execution when the client sends an (asynchronous)	1471	Register a callback for execution when the client sends an (asynchronous)
1245	exticmd packet. Exti commands are processed by the server as soon as they	1472	exticmd packet. Exti commands are processed by the server as soon as they
1246	are received, i.e. out of order w.r.t. other commands. The first argument	1473	are received, i.e. out of order w.r.t. other commands. The first argument
1247	is a client socket. Exti commands can be received anytime, even before	1474	is a client socket. Exti commands can be received anytime, even before
1248	log-in.	1475	log-in.
1249		1476
1250	If the callback returns something, it is sent back as if reply was being	1477	The values will be sent back to the client.
1251	called.
1252		1478
1253	=cut	1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1254		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
1255	sub register_extcmd {	1486	sub register_extcmd($$) {
1256	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
1257		1488
1258	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
1259	}	1490	}
1260		1491
1261	sub register_exticmd {	1492	sub register_async_extcmd($$) {
1262	my ($name, $cb) = @_;	1493	my ($name, $cb) = @_;
1263		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
1264	$EXTICMD{$name} = $cb;	1501	$EXTICMD{$name} = $cb;
1265	}	1502	}
1266		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
1267	cf::player->attach (	1512	cf::player->attach (
1268	on_command => sub {	1513	on_unknown_command => sub {
1269	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
1270		1515
1271	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
1272	or return;	1517	or return;
1273		1518
…		…
1281	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
1282		1527
1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1284		1529
1285	if (ref $msg) {	1530	if (ref $msg) {
1286	my ($type, $reply, @payload) =	1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1287	"ARRAY" eq ref $msg
1288	? @$msg
1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1290		1532
1291	my @reply;
1292
1293	if (my $cb = $EXTCMD{$type}) {	1533	if (my $cb = $EXTACMD{$type}) {
		1534	$cb->(
		1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
1294	@reply = $cb->($pl, @payload);	1546	@reply = $cb->($pl, @payload);
		1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
1295	}	1551	}
1296		1552
1297	$pl->ext_reply ($reply, @reply)
1298	if $reply;
1299
1300	} else {	1553	} else {
1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1302	}	1555	}
1303		1556
1304	cf::override;	1557	cf::override;
1305	},	1558	},
1306	);	1559	);
1307		1560
		1561	# "readahead" all extensions
		1562	sub cache_extensions {
		1563	my $grp = IO::AIO::aio_group;
		1564
		1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1566	for (grep /\.ext$/, @{$_[0]}) {
		1567	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1568	}
		1569	};
		1570
		1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1583	}
		1584
1308	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
1309	cf::sync_job {	1590	cf::sync_job {
1310	my %todo;	1591	my %todo;
1311		1592
1312	for my $path (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
1313	next unless -r $path;	1594	next unless -r $path;
…		…
1331		1612
1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334		1615
1335	$ext{source} =	1616	$ext{source} =
1336	"package $pkg; use strict; use utf8;\n"	1617	"package $pkg; use common::sense;\n"
1337	. "#line 1 \"$path\"\n{\n"	1618	. "#line 1 \"$path\"\n{\n"
1338	. $source	1619	. $source
1339	. "\n};\n1";	1620	. "\n};\n1";
1340		1621
1341	$todo{$base} = \%ext;	1622	$todo{$base} = \%ext;
1342	}	1623	}
1343		1624
		1625	my $pass = 0;
1344	my %done;	1626	my %done;
1345	while (%todo) {	1627	while (%todo) {
1346	my $progress;	1628	my $progress;
1347		1629
		1630	++$pass;
		1631
		1632	ext:
1348	while (my ($k, $v) = each %todo) {	1633	while (my ($k, $v) = each %todo) {
1349	for (split /,\s*/, $v->{meta}{depends}) {	1634	for (split /,\s*/, $v->{meta}{depends}) {
1350	goto skip	1635	next ext
1351	unless exists $done{$_};	1636	unless exists $done{$_};
1352	}	1637	}
1353		1638
1354	warn "... loading '$k' into '$v->{pkg}'\n";	1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1355		1640
1356	unless (eval $v->{source}) {	1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
1357	my $msg = $@ ? "$v->{path}: $@\n"	1653	error "$v->{path}: $@\n";
1358	: "$v->{base}: extension inactive.\n";
1359		1654
1360	if (exists $v->{meta}{mandatory}) {
1361	warn $msg;
1362	cf::cleanup "mandatory extension failed to load, exiting.";	1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1363	}	1656	if exists $v->{meta}{mandatory};
1364		1657
1365	warn $msg;	1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1659	delete $todo{$k};
		1660	} else {
		1661	$done{$k} = delete $todo{$k};
		1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
1366	}	1667	}
1367
1368	$done{$k} = delete $todo{$k};
1369	push @EXTS, $v->{pkg};
1370	$progress = 1;
1371	}	1668	}
1372		1669
1373	skip:	1670	unless ($progress) {
1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1375	unless $progress;	1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
1376	}	1680	}
1377	};	1681	};
1378	}	1682	}
1379		1683
1380	#############################################################################	1684	#############################################################################
1381		1685
1382	=back	1686	=back
1383		1687
1384	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
1385		1689
1386	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
1387		1691
1388	=cut	1692	=cut
1389		1693
1390	package cf::player;	1694	package cf::player;
1391		1695
…		…
1434		1738
1435	sub exists($) {	1739	sub exists($) {
1436	my ($login) = @_;	1740	my ($login) = @_;
1437		1741
1438	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
1439	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
1440	}	1744	}
1441		1745
1442	sub find($) {	1746	sub find($) {
1443	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
1444	my $login = $_[0];	1748	my $login = $_[0];
…		…
1456	my $f = new_from_file cf::object::thawer path $login	1760	my $f = new_from_file cf::object::thawer path $login
1457	or return;	1761	or return;
1458		1762
1459	my $pl = cf::player::load_pl $f	1763	my $pl = cf::player::load_pl $f
1460	or return;	1764	or return;
		1765
1461	local $cf::PLAYER_LOADING{$login} = $pl;	1766	local $cf::PLAYER_LOADING{$login} = $pl;
1462	$f->resolve_delayed_derefs;	1767	$f->resolve_delayed_derefs;
1463	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1464	}	1769	}
1465	}	1770	}
1466	}	1771	}
1467		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
		1785
1468	sub save($) {	1786	sub save($) {
1469	my ($pl) = @_;	1787	my ($pl) = @_;
1470		1788
1471	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
1472		1790
…		…
1477		1795
1478	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1479	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1480		1798
1481	cf::get_slot 0.01;	1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1482		1803
1483	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1484	cf::cede_to_tick;	1805	cf::cede_to_tick;
1485	}	1806	}
1486		1807
…		…
1518	my ($pl) = @_;	1839	my ($pl) = @_;
1519		1840
1520	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1521		1842
1522	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1523	$pl->password ("*"); # this should lock out the player until we nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1524		1845
1525	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1526	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1527	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1528	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1529		1854
1530	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1531	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1532	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1570		1895
1571	for my $login (@$dirs) {	1896	for my $login (@$dirs) {
1572	my $path = path $login;	1897	my $path = path $login;
1573		1898
1574	# a .pst is a dead give-away for a valid player	1899	# a .pst is a dead give-away for a valid player
1575	unless (-e "$path.pst") {	1900	# if no pst file found, open and chekc for blocked users
		1901	if (aio_stat "$path.pst") {
1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1902	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1577	aio_read $fh, 0, 512, my $buf, 0 or next;	1903	aio_read $fh, 0, 512, my $buf, 0 or next;
1578	$buf !~ /^password -------------$/m or next; # official not-valid tag	1904	$buf !~ /^password -------------$/m or next; # official not-valid tag
1579	}	1905	}
1580		1906
…		…
1584		1910
1585	\@logins	1911	\@logins
1586	}	1912	}
1587		1913
1588	=item $player->maps	1914	=item $player->maps
		1915
		1916	=item cf::player::maps $login
1589		1917
1590	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1591	player. May block.	1919	player. May block.
1592		1920
1593	=cut	1921	=cut
…		…
1611	}	1939	}
1612		1940
1613	\@paths	1941	\@paths
1614	}	1942	}
1615		1943
1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1617		1945
1618	Expand crossfire pod fragments into protocol xml.	1946	Expand deliantra pod fragments into protocol xml.
1619
1620	=cut
1621
1622	use re 'eval';
1623
1624	my $group;
1625	my $interior; $interior = qr{
1626	# match a pod interior sequence sans C<< >>
1627	(?:
1628	\ (.*?)\ (?{ $group = $^N })
1629	| < (??{$interior}) >
1630	)
1631	}x;
1632
1633	sub expand_cfpod {
1634	my ($self, $pod) = @_;
1635
1636	my $xml;
1637
1638	while () {
1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1640	$group = $1;
1641
1642	$group =~ s/&/&amp;/g;
1643	$group =~ s/</&lt;/g;
1644
1645	$xml .= $group;
1646	} elsif ($pod =~ m%\G
1647	([BCGHITU])
1648	<
1649	(?:
1650	([^<>]*) (?{ $group = $^N })
1651	| < $interior >
1652	)
1653	>
1654	%gcsx
1655	) {
1656	my ($code, $data) = ($1, $group);
1657
1658	if ($code eq "B") {
1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1660	} elsif ($code eq "I") {
1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1662	} elsif ($code eq "U") {
1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1664	} elsif ($code eq "C") {
1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1666	} elsif ($code eq "T") {
1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1668	} elsif ($code eq "G") {
1669	my ($male, $female) = split /\|/, $data;
1670	$data = $self->gender ? $female : $male;
1671	$xml .= expand_cfpod ($self, $data);
1672	} elsif ($code eq "H") {
1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1675	"")
1676	[$self->{hintmode}];
1677	} else {
1678	$xml .= "error processing '$code($data)' directive";
1679	}
1680	} else {
1681	if ($pod =~ /\G(.+)/) {
1682	warn "parse error while expanding $pod (at $1)";
1683	}
1684	last;
1685	}
1686	}
1687
1688	for ($xml) {
1689	# create single paragraphs (very hackish)
1690	s/(?<=\S)\n(?=\w)/ /g;
1691
1692	# compress some whitespace
1693	s/\s+\n/\n/g; # ws line-ends
1694	s/\n\n+/\n/g; # double lines
1695	s/^\n+//; # beginning lines
1696	s/\n+$//; # ending lines
1697	}
1698
1699	$xml
1700	}
1701
1702	no re 'eval';
1703
1704	sub hintmode {
1705	$_[0]{hintmode} = $_[1] if @_ > 1;
1706	$_[0]{hintmode}
1707	}
1708
1709	=item $player->ext_reply ($msgid, @msg)
1710
1711	Sends an ext reply to the player.
1712
1713	=cut
1714
1715	sub ext_reply($$@) {
1716	my ($self, $id, @msg) = @_;
1717
1718	$self->ns->ext_reply ($id, @msg)
1719	}
1720		1947
1721	=item $player->ext_msg ($type, @msg)	1948	=item $player->ext_msg ($type, @msg)
1722		1949
1723	Sends an ext event to the client.	1950	Sends an ext event to the client.
1724		1951
…		…
1744		1971
1745	=cut	1972	=cut
1746		1973
1747	sub find_by_path($) {	1974	sub find_by_path($) {
1748	my ($path) = @_;	1975	my ($path) = @_;
		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
1749		1978
1750	my ($match, $specificity);	1979	my ($match, $specificity);
1751		1980
1752	for my $region (list) {	1981	for my $region (list) {
1753	if ($region->{match} && $path =~ $region->{match}) {	1982	if ($region->{match} && $path =~ $region->{match}) {
…		…
1782	sub generate_random_map {	2011	sub generate_random_map {
1783	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1784		2013
1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1786		2015
1787	# mit "rum" bekleckern, nicht
1788	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1792	$rmp->{exit_on_final_map},
1793	$rmp->{xsize}, $rmp->{ysize},
1794	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1795	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1796	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1797	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1798	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1799	(cf::region::find $rmp->{region}), $rmp->{custom}
1800	)
1801	}	2017	}
1802		2018
1803	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1804		2020
1805	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1810		2026
1811	sub register {	2027	sub register {
1812	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1813	my $pkg = caller;	2029	my $pkg = caller;
1814		2030
1815	no strict;
1816	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1817		2032
1818	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1819	}	2034	}
1820		2035
1821	# also paths starting with '/'	2036	# also paths starting with '/'
1822	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1823		2038
1824	sub thawer_merge {	2039	sub thawer_merge {
1825	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1826		2041
1827	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
…		…
1832	}	2047	}
1833		2048
1834	sub normalise {	2049	sub normalise {
1835	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1836		2051
1837	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1838		2053
1839	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1840		2055
1841	# map plan:	2056	# map plan:
1842	#	2057	#
…		…
1857	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1858	$path = "$base/$path";	2073	$path = "$base/$path";
1859	}	2074	}
1860		2075
1861	for ($path) {	2076	for ($path) {
1862	redo if s{//}{/};
1863	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1864	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1865	}	2079	}
1866		2080
1867	$path	2081	$path
…		…
1881	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1882	return $self;	2096	return $self;
1883	}	2097	}
1884	}	2098	}
1885		2099
1886	Carp::cluck "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1887	()	2101	()
1888	}	2102	}
1889		2103
		2104	# may re-bless or do other evil things
1890	sub init {	2105	sub init {
1891	my ($self) = @_;	2106	my ($self) = @_;
1892		2107
1893	$self	2108	$self
1894	}	2109	}
…		…
1925		2140
1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1927	"$UNIQUEDIR/$path"	2142	"$UNIQUEDIR/$path"
1928	}	2143	}
1929		2144
1930	# and all this just because we cannot iterate over
1931	# all maps in C++...
1932	sub change_all_map_light {
1933	my ($change) = @_;
1934
1935	$_->change_map_light ($change)
1936	for grep $_->outdoor, values %cf::MAP;
1937	}
1938
1939	sub decay_objects {	2145	sub decay_objects {
1940	my ($self) = @_;	2146	my ($self) = @_;
1941		2147
1942	return if $self->{deny_reset};	2148	return if $self->{deny_reset};
1943		2149
…		…
1968	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1969		2175
1970	1	2176	1
1971	}	2177	}
1972		2178
		2179	# used to laod the header of an original map
1973	sub load_header_orig {	2180	sub load_header_orig {
1974	my ($self) = @_;	2181	my ($self) = @_;
1975		2182
1976	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1977	}	2184	}
1978		2185
		2186	# used to laod the header of an instantiated map
1979	sub load_header_temp {	2187	sub load_header_temp {
1980	my ($self) = @_;	2188	my ($self) = @_;
1981		2189
1982	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1983	}	2191	}
1984		2192
		2193	# called after loading the header from an instantiated map
1985	sub prepare_temp {	2194	sub prepare_temp {
1986	my ($self) = @_;	2195	my ($self) = @_;
1987		2196
1988	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1989	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1990	# safety	2199	# safety
1991	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1992	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1993	}	2202	}
1994		2203
		2204	# called after loading the header from an original map
1995	sub prepare_orig {	2205	sub prepare_orig {
1996	my ($self) = @_;	2206	my ($self) = @_;
1997		2207
1998	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1999	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2023		2233
2024	sub find;	2234	sub find;
2025	sub find {	2235	sub find {
2026	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
2027		2237
		2238	cf::cede_to_tick;
		2239
2028	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
2029		2241
2030	cf::lock_wait "map_data:$path";#d#remove	2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2031	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
2032		2244
2033	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
2034	my $guard1 = cf::lock_acquire "map_find:$path";
2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2036
2037	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
2038	or return;	2247	or return;
2039		2248
2040	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
2041		2250
…		…
2043	or return;	2252	or return;
2044		2253
2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2254	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2046	# doing this can freeze the server in a sync job, obviously	2255	# doing this can freeze the server in a sync job, obviously
2047	#$cf::WAIT_FOR_TICK->wait;	2256	#$cf::WAIT_FOR_TICK->wait;
		2257	undef $guard2;
2048	undef $guard1;	2258	undef $guard1;
2049	undef $guard2;
2050	$map->reset;	2259	$map->reset;
2051	return find $path;	2260	return find $path;
2052	}	2261	}
2053		2262
2054	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
2055	}	2264	}
2056	}	2265	}
2057		2266
2058	sub pre_load { }	2267	sub pre_load { }
2059	sub post_load { }	2268	#sub post_load { } # XS
2060		2269
2061	sub load {	2270	sub load {
2062	my ($self) = @_;	2271	my ($self) = @_;
2063		2272
2064	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2067		2276
2068	{	2277	{
2069	my $guard = cf::lock_acquire "map_data:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
2070		2279
2071	return unless $self->valid;	2280	return unless $self->valid;
2072	return unless $self->in_memory == cf::MAP_SWAPPED;	2281	return unless $self->state == cf::MAP_SWAPPED;
2073
2074	$self->in_memory (cf::MAP_LOADING);
2075		2282
2076	$self->alloc;	2283	$self->alloc;
2077		2284
2078	$self->pre_load;	2285	$self->pre_load;
2079	cf::cede_to_tick;	2286	cf::cede_to_tick;
2080		2287
		2288	if (exists $self->{load_path}) {
2081	my $f = new_from_file cf::object::thawer $self->{load_path};	2289	my $f = new_from_file cf::object::thawer $self->{load_path};
2082	$f->skip_block;	2290	$f->skip_block;
2083	$self->_load_objects ($f)	2291	$self->_load_objects ($f)
2084	or return;	2292	or return;
2085		2293
2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
2087	if delete $self->{load_original};	2295	if delete $self->{load_original};
2088		2296
2089	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
2090	utf8::encode $uniq;	2298	utf8::encode $uniq;
2091	unless (aio_stat $uniq) {	2299	unless (aio_stat $uniq) {
2092	if (my $f = new_from_file cf::object::thawer $uniq) {	2300	if (my $f = new_from_file cf::object::thawer $uniq) {
2093	$self->clear_unique_items;	2301	$self->clear_unique_items;
2094	$self->_load_objects ($f);	2302	$self->_load_objects ($f);
2095	$f->resolve_delayed_derefs;	2303	$f->resolve_delayed_derefs;
		2304	}
2096	}	2305	}
2097	}	2306	}
2098	}
2099		2307
2100	$f->resolve_delayed_derefs;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
		2313
		2314	$self->state (cf::MAP_INACTIVE);
2101		2315
2102	cf::cede_to_tick;	2316	cf::cede_to_tick;
2103	# now do the right thing for maps	2317	# now do the right thing for maps
2104	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
2105	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
…		…
2109	unless ($self->{deny_activate}) {	2323	unless ($self->{deny_activate}) {
2110	$self->decay_objects;	2324	$self->decay_objects;
2111	$self->fix_auto_apply;	2325	$self->fix_auto_apply;
2112	$self->update_buttons;	2326	$self->update_buttons;
2113	cf::cede_to_tick;	2327	cf::cede_to_tick;
2114	$self->set_darkness_map;	2328	#$self->activate; # no longer activate maps automatically
2115	cf::cede_to_tick;
2116	$self->activate;
2117	}	2329	}
2118		2330
2119	$self->{last_save} = $cf::RUNTIME;	2331	$self->{last_save} = $cf::RUNTIME;
2120	$self->last_access ($cf::RUNTIME);	2332	$self->last_access ($cf::RUNTIME);
2121
2122	$self->in_memory (cf::MAP_ACTIVE);
2123	}	2333	}
2124		2334
2125	$self->post_load;	2335	$self->post_load;
2126	}
2127		2336
		2337	1
		2338	}
		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
2128	sub customise_for {	2343	sub customise_for {
2129	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
2130		2345
2131	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
2132	if $self->per_player;	2347	if $self->per_player;
…		…
2135	# if $self->per_party;	2350	# if $self->per_party;
2136		2351
2137	$self	2352	$self
2138	}	2353	}
2139		2354
2140	# find and load all maps in the 3x3 area around a map
2141	sub load_neighbours {
2142	my ($map) = @_;
2143
2144	my @neigh; # diagonal neighbours
2145
2146	for (0 .. 3) {
2147	my $neigh = $map->tile_path ($_)
2148	or next;
2149	$neigh = find $neigh, $map
2150	or next;
2151	$neigh->load;
2152
2153	push @neigh,
2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2156	}
2157
2158	for (grep defined $_->[0], @neigh) {
2159	my ($path, $origin) = @$_;
2160	my $neigh = find $path, $origin
2161	or next;
2162	$neigh->load;
2163	}
2164	}
2165
2166	sub find_sync {	2355	sub find_sync {
2167	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
2168		2357
2169	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
2170	}	2363	}
2171		2364
2172	sub do_load_sync {	2365	sub do_load_sync {
2173	my ($map) = @_;	2366	my ($map) = @_;
2174		2367
		2368	# it's a bug to call this from the main context
2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2176	if $Coro::current == $Coro::main;	2370	if $Coro::current == $Coro::main;
2177		2371
2178	cf::sync_job { $map->load };	2372	$map->load;
2179	}	2373	}
2180		2374
2181	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
2182	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
2183		2377
2184	sub find_async {	2378	sub find_async {
2185	my ($path, $origin, $load) = @_;	2379	my ($path, $origin, $load) = @_;
2186		2380
2187	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
2188		2382
2189	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2384	return $map if !$load || $map->linkable;
2191	}	2385	}
2192		2386
2193	$MAP_PREFETCH{$path} |= $load;	2387	$MAP_PREFETCH{$path} |= $load;
2194		2388
2195	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
…		…
2209	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
2210		2404
2211	()	2405	()
2212	}	2406	}
2213		2407
		2408	# common code, used by both ->save and ->swapout
2214	sub save {	2409	sub _save {
2215	my ($self) = @_;	2410	my ($self) = @_;
2216
2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
2218		2411
2219	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
2220		2413
2221	return unless $self->dirty;	2414	return unless $self->dirty;
2222		2415
…		…
2242	} else {	2435	} else {
2243	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2244	}	2437	}
2245	}	2438	}
2246		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
2247	sub swap_out {	2448	sub swap_out {
2248	my ($self) = @_;	2449	my ($self) = @_;
2249		2450
2250	# save first because save cedes
2251	$self->save;
2252
2253	my $lock = cf::lock_acquire "map_data:$self->{path}";	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
2254		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
2255	return if $self->players;	2455	return if $self->players;
2256	return if $self->in_memory != cf::MAP_ACTIVE;	2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
		2466	$self->clear;
		2467	}
		2468
		2469	sub reset_at {
		2470	my ($self) = @_;
		2471
		2472	# TODO: safety, remove and allow resettable per-player maps
2257	return if $self->{deny_save};	2473	return 1e99 if $self->{deny_reset};
2258		2474
		2475	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2476	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2477
		2478	$time + $to
		2479	}
		2480
		2481	sub should_reset {
		2482	my ($self) = @_;
		2483
		2484	$self->reset_at <= $cf::RUNTIME
		2485	}
		2486
		2487	sub reset {
		2488	my ($self) = @_;
		2489
		2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2491
		2492	return if $self->players;
		2493
		2494	cf::trace "resetting map ", $self->path, "\n";
		2495
2259	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
		2497
		2498	# need to save uniques path
		2499	unless ($self->{deny_save}) {
		2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2501
		2502	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2503	if $uniq;
		2504	}
		2505
		2506	delete $cf::MAP{$self->path};
2260		2507
2261	$self->deactivate;	2508	$self->deactivate;
2262	$_->clear_links_to ($self) for values %cf::MAP;	2509	$_->clear_links_to ($self) for values %cf::MAP;
2263	$self->clear;	2510	$self->clear;
2264	}
2265
2266	sub reset_at {
2267	my ($self) = @_;
2268
2269	# TODO: safety, remove and allow resettable per-player maps
2270	return 1e99 if $self->{deny_reset};
2271
2272	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2273	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2274
2275	$time + $to
2276	}
2277
2278	sub should_reset {
2279	my ($self) = @_;
2280
2281	$self->reset_at <= $cf::RUNTIME
2282	}
2283
2284	sub reset {
2285	my ($self) = @_;
2286
2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
2288
2289	return if $self->players;
2290
2291	warn "resetting map ", $self->path;
2292
2293	$self->in_memory (cf::MAP_SWAPPED);
2294
2295	# need to save uniques path
2296	unless ($self->{deny_save}) {
2297	my $uniq = $self->uniq_path; utf8::encode $uniq;
2298
2299	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2300	if $uniq;
2301	}
2302
2303	delete $cf::MAP{$self->path};
2304
2305	$self->deactivate;
2306	$_->clear_links_to ($self) for values %cf::MAP;
2307	$self->clear;
2308		2511
2309	$self->unlink_save;	2512	$self->unlink_save;
2310	$self->destroy;	2513	$self->destroy;
2311	}	2514	}
2312		2515
…		…
2320		2523
2321	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
2322		2525
2323	$self->unlink_save;	2526	$self->unlink_save;
2324		2527
2325	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
2326	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
2327	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
2328	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2330		2533
…		…
2387	: normalise $_	2590	: normalise $_
2388	} @{ aio_readdir $UNIQUEDIR or [] }	2591	} @{ aio_readdir $UNIQUEDIR or [] }
2389	]	2592	]
2390	}	2593	}
2391		2594
		2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
		2626
2392	=back	2627	=back
2393		2628
2394	=head3 cf::object	2629	=head3 cf::object
2395		2630
2396	=cut	2631	=cut
…		…
2457	can be C<undef>. Does the right thing when the player is currently in a	2692	can be C<undef>. Does the right thing when the player is currently in a
2458	dialogue with the given NPC character.	2693	dialogue with the given NPC character.
2459		2694
2460	=cut	2695	=cut
2461		2696
		2697	our $SAY_CHANNEL = {
		2698	id => "say",
		2699	title => "Map",
		2700	reply => "say ",
		2701	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2702	};
		2703
		2704	our $CHAT_CHANNEL = {
		2705	id => "chat",
		2706	title => "Chat",
		2707	reply => "chat ",
		2708	tooltip => "Player chat and shouts, global to the server.",
		2709	};
		2710
2462	# rough implementation of a future "reply" method that works	2711	# rough implementation of a future "reply" method that works
2463	# with dialog boxes.	2712	# with dialog boxes.
2464	#TODO: the first argument must go, split into a $npc->reply_to ( method	2713	#TODO: the first argument must go, split into a $npc->reply_to ( method
2465	sub cf::object::player::reply($$$;$) {	2714	sub cf::object::player::reply($$$;$) {
2466	my ($self, $npc, $msg, $flags) = @_;	2715	my ($self, $npc, $msg, $flags) = @_;
…		…
2477	my $dialog = $pl->{npc_dialog};	2726	my $dialog = $pl->{npc_dialog};
2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2727	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2479		2728
2480	} else {	2729	} else {
2481	$msg = $npc->name . " says: $msg" if $npc;	2730	$msg = $npc->name . " says: $msg" if $npc;
2482	$self->message ($msg, $flags);	2731	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2483	}	2732	}
2484	}	2733	}
2485	}	2734	}
2486		2735
2487	=item $object->send_msg ($channel, $msg, $color, [extra...])	2736	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2512		2761
2513	=item $player_object->enter_link	2762	=item $player_object->enter_link
2514		2763
2515	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
2516		2765
2517	The player should be reasonably safe there for short amounts of time. You	2766	The player should be reasonably safe there for short amounts of time (e.g.
2518	I<MUST> call C<leave_link> as soon as possible, though.	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2768	though, as the player cannot control the character while it is on the link
		2769	map.
2519		2770
2520	Will never block.	2771	Will never block.
2521		2772
2522	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
2523		2774
…		…
2543	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
2544	my ($self) = @_;	2795	my ($self) = @_;
2545		2796
2546	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
2547		2798
		2799	++$self->{_link_recursion};
		2800
2548	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
2549		2802
2550	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2551	if $self->map && $self->map->{path} ne "{link}";	2804	if $self->map && $self->map->{path} ne "{link}";
2552		2805
2553	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2554	}	2807	}
2555		2808
2556	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
2557	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
2558		2811
…		…
2575	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
2576	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
2577		2830
2578	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
2579	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
2580	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
2581		2834
2582	$map->load;	2835	$map->load;
2583	$map->load_neighbours;
2584		2836
2585	return unless $self->contr->active;	2837	return unless $self->contr->active;
2586	$self->activate_recursive;
2587		2838
2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2589	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
2590	}	2841	# entering was successful
		2842	delete $self->{_link_recursion};
		2843	# only activate afterwards, to support waiting in hooks
		2844	$self->activate_recursive;
		2845	}
2591		2846
		2847	}
		2848
2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2593		2850
2594	Moves the player to the given map-path and coordinates by first freezing	2851	Moves the player to the given map-path and coordinates by first freezing
2595	her, loading and preparing them map, calling the provided $check callback	2852	her, loading and preparing them map, calling the provided $check callback
2596	that has to return the map if sucecssful, and then unfreezes the player on	2853	that has to return the map if sucecssful, and then unfreezes the player on
2597	the new (success) or old (failed) map position. In either case, $done will	2854	the new (success) or old (failed) map position. In either case, $done will
2598	be called at the end of this process.	2855	be called at the end of this process.
2599		2856
		2857	Note that $check will be called with a potentially non-loaded map, so if
		2858	it needs a loaded map it has to call C<< ->load >>.
		2859
2600	=cut	2860	=cut
2601		2861
2602	our $GOTOGEN;	2862	our $GOTOGEN;
2603		2863
2604	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
2605	my ($self, $path, $x, $y, $check, $done) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
2606		2872
2607	# do generation counting so two concurrent goto's will be executed in-order	2873	# do generation counting so two concurrent goto's will be executed in-order
2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2609		2875
2610	$self->enter_link;	2876	$self->enter_link;
…		…
2630	($path, $x, $y) = (undef, undef, undef);	2896	($path, $x, $y) = (undef, undef, undef);
2631	}	2897	}
2632	}	2898	}
2633		2899
2634	my $map = eval {	2900	my $map = eval {
2635	my $map = defined $path ? cf::map::find $path : undef;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2636		2902
2637	if ($map) {	2903	if ($map) {
2638	$map = $map->customise_for ($self);	2904	$map = $map->customise_for ($self);
2639	$map = $check->($map) if $check && $map;	2905	$map = $check->($map, $x, $y, $self) if $check && $map;
2640	} else {	2906	} else {
2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2642	}	2908	}
2643		2909
2644	$map	2910	$map
…		…
2652	if ($gen == $self->{_goto_generation}) {	2918	if ($gen == $self->{_goto_generation}) {
2653	delete $self->{_goto_generation};	2919	delete $self->{_goto_generation};
2654	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
2655	}	2921	}
2656		2922
2657	$done->() if $done;	2923	$done->($self) if $done;
2658	})->prio (1);	2924	})->prio (1);
2659	}	2925	}
2660		2926
2661	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
2662		2928
…		…
2682	}	2948	}
2683		2949
2684	sub prepare_random_map {	2950	sub prepare_random_map {
2685	my ($exit) = @_;	2951	my ($exit) = @_;
2686		2952
2687	my $guard = cf::lock_acquire "exit_prepare:$exit";
2688
2689	# all this does is basically replace the /! path by	2953	# all this does is basically replace the /! path by
2690	# a new random map path (?random/...) with a seed	2954	# a new random map path (?random/...) with a seed
2691	# that depends on the exit object	2955	# that depends on the exit object
2692		2956
2693	my $rmp = parse_random_map_params $exit->msg;	2957	my $rmp = parse_random_map_params $exit->msg;
…		…
2695	if ($exit->map) {	2959	if ($exit->map) {
2696	$rmp->{region} = $exit->region->name;	2960	$rmp->{region} = $exit->region->name;
2697	$rmp->{origin_map} = $exit->map->path;	2961	$rmp->{origin_map} = $exit->map->path;
2698	$rmp->{origin_x} = $exit->x;	2962	$rmp->{origin_x} = $exit->x;
2699	$rmp->{origin_y} = $exit->y;	2963	$rmp->{origin_y} = $exit->y;
		2964
		2965	$exit->map->touch;
2700	}	2966	}
2701		2967
2702	$rmp->{random_seed} ||= $exit->random_seed;	2968	$rmp->{random_seed} ||= $exit->random_seed;
2703		2969
2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);	2970	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
…		…
2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2974	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2709	aio_write $fh, 0, (length $data), $data, 0;	2975	aio_write $fh, 0, (length $data), $data, 0;
2710	undef $fh;	2976	undef $fh;
2711	aio_rename "$meta~", $meta;	2977	aio_rename "$meta~", $meta;
2712		2978
		2979	my $slaying = "?random/$md5";
		2980
		2981	if ($exit->valid) {
2713	$exit->slaying ("?random/$md5");	2982	$exit->slaying ("?random/$md5");
2714	$exit->msg (undef);	2983	$exit->msg (undef);
		2984	}
2715	}	2985	}
2716	}	2986	}
2717		2987
2718	sub cf::object::player::enter_exit {	2988	sub cf::object::player::enter_exit {
2719	my ($self, $exit) = @_;	2989	my ($self, $exit) = @_;
2720		2990
2721	return unless $self->type == cf::PLAYER;	2991	return unless $self->type == cf::PLAYER;
2722		2992
2723	if ($exit->slaying eq "/!") {
2724	#TODO: this should de-fi-ni-te-ly not be a sync-job
2725	# the problem is that $exit might not survive long enough
2726	# so it needs to be done right now, right here
2727	cf::sync_job { prepare_random_map $exit };
2728	}
2729
2730	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2731	my $hp = $exit->stats->hp;
2732	my $sp = $exit->stats->sp;
2733
2734	$self->enter_link;	2993	$self->enter_link;
2735		2994
2736	# if exit is damned, update players death & WoR home-position
2737	$self->contr->savebed ($slaying, $hp, $sp)
2738	if $exit->flag (FLAG_DAMNED);
2739
2740	(async {	2995	(async {
2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2996	$Coro::current->{desc} = "enter_exit";
2742		2997
2743	$self->deactivate_recursive; # just to be sure
2744	unless (eval {	2998	unless (eval {
		2999	$self->deactivate_recursive; # just to be sure
		3000
		3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3002	my $x = $exit->stats->hp;
		3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
		3027
2745	$self->goto ($slaying, $hp, $sp);	3028	$self->goto ($map, $x, $y);
2746		3029
		3030	# if exit is damned, update players death & WoR home-position
		3031	$self->contr->savebed ($map, $x, $y)
		3032	if $exit->flag (cf::FLAG_DAMNED);
		3033
2747	1;	3034	1
2748	}) {	3035	}) {
2749	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2750	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
2751	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2752	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2753		3040
2754	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2755	$self->leave_link;	3042	$self->leave_link;
2756	}	3043	}
2757	})->prio (1);	3044	})->prio (1);
2758	}	3045	}
2759		3046
…		…
2771	sub cf::client::send_drawinfo {	3058	sub cf::client::send_drawinfo {
2772	my ($self, $text, $flags) = @_;	3059	my ($self, $text, $flags) = @_;
2773		3060
2774	utf8::encode $text;	3061	utf8::encode $text;
2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3063	}
		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
2776	}	3088	}
2777		3089
2778	=item $client->send_msg ($channel, $msg, $color, [extra...])	3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
2779		3091
2780	Send a drawinfo or msg packet to the client, formatting the msg for the	3092	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2784		3096
2785	=cut	3097	=cut
2786		3098
2787	# non-persistent channels (usually the info channel)	3099	# non-persistent channels (usually the info channel)
2788	our %CHANNEL = (	3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
2789	"c/identify" => {	3107	"c/identify" => {
2790	id => "infobox",	3108	id => "infobox",
2791	title => "Identify",	3109	title => "Identify",
2792	reply => undef,	3110	reply => undef,
2793	tooltip => "Items recently identified",	3111	tooltip => "Items recently identified",
…		…
2795	"c/examine" => {	3113	"c/examine" => {
2796	id => "infobox",	3114	id => "infobox",
2797	title => "Examine",	3115	title => "Examine",
2798	reply => undef,	3116	reply => undef,
2799	tooltip => "Signs and other items you examined",	3117	tooltip => "Signs and other items you examined",
		3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
2800	},	3124	},
2801	"c/book" => {	3125	"c/book" => {
2802	id => "infobox",	3126	id => "infobox",
2803	title => "Book",	3127	title => "Book",
2804	reply => undef,	3128	reply => undef,
…		…
2820	id => "infobox",	3144	id => "infobox",
2821	title => "Body Parts",	3145	title => "Body Parts",
2822	reply => undef,	3146	reply => undef,
2823	tooltip => "Shows which body parts you posess and are available",	3147	tooltip => "Shows which body parts you posess and are available",
2824	},	3148	},
		3149	"c/statistics" => {
		3150	id => "infobox",
		3151	title => "Statistics",
		3152	reply => undef,
		3153	tooltip => "Shows your primary statistics",
		3154	},
		3155	"c/skills" => {
		3156	id => "infobox",
		3157	title => "Skills",
		3158	reply => undef,
		3159	tooltip => "Shows your experience per skill and item power",
		3160	},
		3161	"c/shopitems" => {
		3162	id => "infobox",
		3163	title => "Shop Items",
		3164	reply => undef,
		3165	tooltip => "Shows the items currently for sale in this shop",
		3166	},
		3167	"c/resistances" => {
		3168	id => "infobox",
		3169	title => "Resistances",
		3170	reply => undef,
		3171	tooltip => "Shows your resistances",
		3172	},
		3173	"c/pets" => {
		3174	id => "infobox",
		3175	title => "Pets",
		3176	reply => undef,
		3177	tooltip => "Shows information abotu your pets/a specific pet",
		3178	},
		3179	"c/perceiveself" => {
		3180	id => "infobox",
		3181	title => "Perceive Self",
		3182	reply => undef,
		3183	tooltip => "You gained detailed knowledge about yourself",
		3184	},
2825	"c/uptime" => {	3185	"c/uptime" => {
2826	id => "infobox",	3186	id => "infobox",
2827	title => "Uptime",	3187	title => "Uptime",
2828	reply => undef,	3188	reply => undef,
2829	tooltip => "How long the server has been running since last restart",	3189	tooltip => "How long the server has been running since last restart",
…		…
2832	id => "infobox",	3192	id => "infobox",
2833	title => "Map Info",	3193	title => "Map Info",
2834	reply => undef,	3194	reply => undef,
2835	tooltip => "Information related to the maps",	3195	tooltip => "Information related to the maps",
2836	},	3196	},
		3197	"c/party" => {
		3198	id => "party",
		3199	title => "Party",
		3200	reply => "gsay ",
		3201	tooltip => "Messages and chat related to your party",
		3202	},
		3203	"c/death" => {
		3204	id => "death",
		3205	title => "Death",
		3206	reply => undef,
		3207	tooltip => "Reason for and more info about your most recent death",
		3208	},
		3209	"c/say" => $SAY_CHANNEL,
		3210	"c/chat" => $CHAT_CHANNEL,
2837	);	3211	);
2838		3212
2839	sub cf::client::send_msg {	3213	sub cf::client::send_msg {
2840	my ($self, $channel, $msg, $color, @extra) = @_;	3214	my ($self, $channel, $msg, $color, @extra) = @_;
2841		3215
2842	$msg = $self->pl->expand_cfpod ($msg);	3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
2843		3218
2844	$color &= cf::NDI_CLIENT_MASK; # just in case...	3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
2845		3220
2846	# check predefined channels, for the benefit of C	3221	# check predefined channels, for the benefit of C
2847	if ($CHANNEL{$channel}) {	3222	if ($CHANNEL{$channel}) {
2848	$channel = $CHANNEL{$channel};	3223	$channel = $CHANNEL{$channel};
2849		3224
2850	$self->ext_msg (channel_info => $channel)	3225	$self->ext_msg (channel_info => $channel);
2851	if $self->can_msg;
2852
2853	$channel = $channel->{id};	3226	$channel = $channel->{id};
2854		3227
2855	} elsif (ref $channel) {	3228	} elsif (ref $channel) {
2856	# send meta info to client, if not yet sent	3229	# send meta info to client, if not yet sent
2857	unless (exists $self->{channel}{$channel->{id}}) {	3230	unless (exists $self->{channel}{$channel->{id}}) {
2858	$self->{channel}{$channel->{id}} = $channel;	3231	$self->{channel}{$channel->{id}} = $channel;
2859	$self->ext_msg (channel_info => $channel)	3232	$self->ext_msg (channel_info => $channel);
2860	if $self->can_msg;
2861	}	3233	}
2862		3234
2863	$channel = $channel->{id};	3235	$channel = $channel->{id};
2864	}	3236	}
2865		3237
2866	return unless @extra || length $msg;	3238	return unless @extra || length $msg;
2867		3239
2868	if ($self->can_msg) {
2869	# default colour, mask it out	3240	# default colour, mask it out
2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2871	if $color & cf::NDI_DEF;	3242	if $color & cf::NDI_DEF;
2872		3243
2873	$self->send_packet ("msg " . $self->{json_coder}->encode (	3244	my $pkt = "msg "
		3245	. $self->{json_coder}->encode (
2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2875	} else {	3247	);
2876	if ($color >= 0) {
2877	# replace some tags by gcfclient-compatible ones
2878	for ($msg) {
2879	1 while
2880	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2881	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2882	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2883	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2884	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2885	}
2886		3248
2887	$color &= cf::NDI_COLOR_MASK;	3249	$self->send_big_packet ($pkt);
2888
2889	utf8::encode $msg;
2890
2891	if (0 && $msg =~ /\[/) {
2892	# COMMAND/INFO
2893	$self->send_packet ("drawextinfo $color 10 8 $msg")
2894	} else {
2895	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2896	$self->send_packet ("drawinfo $color $msg")
2897	}
2898	}
2899	}
2900	}	3250	}
2901		3251
2902	=item $client->ext_msg ($type, @msg)	3252	=item $client->ext_msg ($type, @msg)
2903		3253
2904	Sends an ext event to the client.	3254	Sends an ext event to the client.
…		…
2906	=cut	3256	=cut
2907		3257
2908	sub cf::client::ext_msg($$@) {	3258	sub cf::client::ext_msg($$@) {
2909	my ($self, $type, @msg) = @_;	3259	my ($self, $type, @msg) = @_;
2910		3260
2911	if ($self->extcmd == 2) {
2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2913	} elsif ($self->extcmd == 1) { # TODO: remove
2914	push @msg, msgtype => "event_$type";
2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2916	}
2917	}
2918
2919	=item $client->ext_reply ($msgid, @msg)
2920
2921	Sends an ext reply to the client.
2922
2923	=cut
2924
2925	sub cf::client::ext_reply($$@) {
2926	my ($self, $id, @msg) = @_;
2927
2928	if ($self->extcmd == 2) {
2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2930	} elsif ($self->extcmd == 1) {
2931	#TODO: version 1, remove
2932	unshift @msg, msgtype => "reply", msgid => $id;
2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2934	}
2935	}	3262	}
2936		3263
2937	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2938		3265
2939	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
…		…
2994	my ($ns, $buf) = @_;	3321	my ($ns, $buf) = @_;
2995		3322
2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2997		3324
2998	if (ref $msg) {	3325	if (ref $msg) {
2999	my ($type, $reply, @payload) =	3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3000	"ARRAY" eq ref $msg
3001	? @$msg
3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3003		3327
3004	my @reply;
3005
3006	if (my $cb = $EXTICMD{$type}) {	3328	if (my $cb = $EXTIACMD{$type}) {
		3329	$cb->(
		3330	$ns,
		3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
3007	@reply = $cb->($ns, @payload);	3341	@reply = $cb->($ns, @payload);
		3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
3008	}	3346	}
3009
3010	$ns->ext_reply ($reply, @reply)
3011	if $reply;
3012
3013	} else {	3347	} else {
3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3015	}	3349	}
3016		3350
3017	cf::override;	3351	cf::override;
3018	},	3352	},
3019	);	3353	);
…		…
3039		3373
3040	$coro	3374	$coro
3041	}	3375	}
3042		3376
3043	cf::client->attach (	3377	cf::client->attach (
3044	on_destroy => sub {	3378	on_client_destroy => sub {
3045	my ($ns) = @_;	3379	my ($ns) = @_;
3046		3380
3047	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3048	},	3382	},
3049	);	3383	);
…		…
3065	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
3066		3400
3067	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
3068		3402
3069	$safe->permit_only (Opcode::opset qw(	3403	$safe->permit_only (Opcode::opset qw(
3070	:base_core :base_mem :base_orig :base_math	3404	:base_core :base_mem :base_orig :base_math :base_loop
3071	grepstart grepwhile mapstart mapwhile	3405	grepstart grepwhile mapstart mapwhile
3072	sort time	3406	sort time
3073	));	3407	));
3074		3408
3075	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
…		…
3078		3412
3079	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
3080		3414
3081	cf::object	3415	cf::object
3082	contr pay_amount pay_player map x y force_find force_add destroy	3416	contr pay_amount pay_player map x y force_find force_add destroy
3083	insert remove name archname title slaying race decrease_ob_nr	3417	insert remove name archname title slaying race decrease split
		3418	value
3084		3419
3085	cf::object::player	3420	cf::object::player
3086	player	3421	player
3087		3422
3088	cf::player	3423	cf::player
…		…
3093		3428
3094	=cut	3429	=cut
3095		3430
3096	for (	3431	for (
3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3098	insert remove inv name archname title slaying race	3433	insert remove inv nrof name archname title slaying race
3099	decrease_ob_nr destroy)],	3434	decrease split destroy change_exp value msg lore send_msg)],
3100	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
3101	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
3102	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
3103	) {	3438	) {
3104	no strict 'refs';
3105	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3107	for @funs;	3441	for @funs;
3108	}	3442	}
3109		3443
…		…
3124		3458
3125	my $qcode = $code;	3459	my $qcode = $code;
3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3127	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
3128		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
3129	local $_;	3466	local $_;
3130	local @safe::cf::_safe_eval_args = values %vars;
3131		3467
3132	my $eval =	3468	my $eval =
3133	"do {\n"	3469	"do {\n"
3134	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3135	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
3136	. $code	3472	. $code
3137	. "\n}"	3473	. "\n}"
3138	;	3474	;
3139		3475
		3476	if ($CFG{safe_eval}) {
3140	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
3141	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3142	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
3143		3485
3144	if ($@) {	3486	if ($@) {
3145	warn "$@";	3487	warn "$@",
3146	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
3147	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
3148	}	3490	}
3149		3491
3150	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
3151	}	3493	}
3152		3494
…		…
3166	=cut	3508	=cut
3167		3509
3168	sub register_script_function {	3510	sub register_script_function {
3169	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
3170		3512
3171	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
3172	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
3173	}	3515	}
3174		3516
3175	=back	3517	=back
3176		3518
3177	=cut	3519	=cut
3178		3520
3179	#############################################################################	3521	#############################################################################
3180	# the server's init and main functions	3522	# the server's init and main functions
3181		3523
		3524	our %FACEHASH; # hash => idx, #d# HACK for http server
		3525	our @FACEDATA; # dynamically-created facedata
		3526
		3527	# internal api, not fianlised
		3528	sub set_face {
		3529	my ($name, $type, $data) = @_;
		3530
		3531	my $idx = cf::face::find $name;
		3532
		3533	if ($idx) {
		3534	delete $FACEHASH{cf::face::get_chksum $idx};
		3535	} else {
		3536	$idx = cf::face::alloc $name;
		3537	}
		3538
		3539	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3540
		3541	cf::face::set_type $idx, $type;
		3542	cf::face::set_data $idx, 0, (length $data), 0, $hash;
		3543	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3544
		3545	# we need to destroy the SV itself, not just overwrite,
		3546	# as a running ix might hold a reference to it.
		3547	# delete achieves that.
		3548	delete $FACEDATA[$idx];
		3549	$FACEDATA[$idx] = $data;
		3550	$FACEHASH{$hash} = $idx;#d#
		3551
		3552	$idx
		3553	}
		3554
		3555	our $FACEDATA; # facedata filehandle
		3556
		3557	sub _face_get_data($$$$) {
		3558	my ($idx, $size, $fofs, $cb) = @_;
		3559
		3560	if (defined $FACEDATA[$idx]) {
		3561	$cb->($FACEDATA[$idx]);
		3562	} elsif ($fofs) {
		3563	my $buf;
		3564	IO::AIO::aio_read $FACEDATA, $fofs, $size, $buf, 0, sub {
		3565	if ($_[0] == $size) {
		3566	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3567	$cb->($buf);
		3568	} else {
		3569	cf::error "INTERNAL ERROR: unable to read facedata for face $idx ($size, $fofs), ignoring request.";
		3570	}
		3571	};
		3572	} else {
		3573	cf::error "requested facedata for unknown face $idx ($size, $fofs), ignoring.";
		3574	}
		3575	}
		3576
		3577	# rather ineffient
		3578	sub cf::face::get_data($;$) {
		3579	my ($idx, $faceset) = @_;
		3580
		3581	my $size = cf::face::get_size $idx, $faceset;
		3582	my $fofs = cf::face::get_fofs $idx, $faceset;
		3583
		3584	_face_get_data $idx, $size, $fofs, Coro::rouse_cb;
		3585	Coro::rouse_wait
		3586	}
		3587
		3588	sub cf::face::ix {
		3589	my ($ns, $idx, $pri, $size, $fofs) = @_;
		3590
		3591	_face_get_data $idx, $size, $fofs, sub {
		3592	$ns->ix_send ($idx, $pri, $_[0]);
		3593	};
		3594	}
		3595
3182	sub load_facedata($) {	3596	sub load_facedata($) {
3183	my ($path) = @_;	3597	my ($path) = @_;
3184		3598
3185	# HACK to clear player env face cache, we need some signal framework
3186	# for this (global event?)
3187	%ext::player_env::MUSIC_FACE_CACHE = ();
3188
3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3599	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3190		3600
3191	warn "loading facedata from $path\n";	3601	trace "loading facedata from $path\n";
3192		3602
3193	my $facedata;	3603	my $facedata = decode_storable load_file "$path/faceinfo";
3194	0 < aio_load $path, $facedata
3195	or die "$path: $!";
3196
3197	$facedata = Coro::Storable::thaw $facedata;
3198		3604
3199	$facedata->{version} == 2	3605	$facedata->{version} == 2
3200	or cf::cleanup "$path: version mismatch, cannot proceed.";	3606	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3201		3607
3202	# patch in the exptable	3608	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3203	$facedata->{resource}{"res/exp_table"} = {	3609	or cf::cleanup "$path/facedata: $!, cnanot proceed.";
3204	type => FT_RSRC,	3610
3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3611	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3206	};	3612
3207	cf::cede_to_tick;	3613	# BEGIN ATOMIC
		3614	# from here on, everything must be atomic - no thread switch allowed
		3615	my $t1 = EV::time;
3208		3616
3209	{	3617	{
3210	my $faces = $facedata->{faceinfo};	3618	my $faces = $facedata->{faceinfo};
3211		3619
3212	while (my ($face, $info) = each %$faces) {	3620	for my $face (sort keys %$faces) {
		3621	my $info = $faces->{$face};
3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3622	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3214		3623
3215	cf::face::set_visibility $idx, $info->{visibility};	3624	cf::face::set_visibility $idx, $info->{visibility};
3216	cf::face::set_magicmap $idx, $info->{magicmap};	3625	cf::face::set_magicmap $idx, $info->{magicmap};
3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3626	cf::face::set_data $idx, 0, $info->{size32}, $info->{fofs32}, $info->{hash32};
3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3627	cf::face::set_data $idx, 1, $info->{size64}, $info->{fofs64}, $info->{hash64};
3219		3628	#cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3220	cf::cede_to_tick;	3629	$FACEHASH{$info->{hash64}} = $idx;#d#
3221	}	3630	}
3222		3631
3223	while (my ($face, $info) = each %$faces) {	3632	while (my ($face, $info) = each %$faces) {
3224	next unless $info->{smooth};	3633	next unless $info->{smooth};
3225		3634
…		…
3228		3637
3229	if (my $smooth = cf::face::find $info->{smooth}) {	3638	if (my $smooth = cf::face::find $info->{smooth}) {
3230	cf::face::set_smooth $idx, $smooth;	3639	cf::face::set_smooth $idx, $smooth;
3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3640	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3232	} else {	3641	} else {
3233	warn "smooth face '$info->{smooth}' not found for face '$face'";	3642	error "smooth face '$info->{smooth}' not found for face '$face'";
3234	}	3643	}
3235
3236	cf::cede_to_tick;
3237	}	3644	}
3238	}	3645	}
3239		3646
3240	{	3647	{
3241	my $anims = $facedata->{animinfo};	3648	my $anims = $facedata->{animinfo};
3242		3649
3243	while (my ($anim, $info) = each %$anims) {	3650	while (my ($anim, $info) = each %$anims) {
3244	cf::anim::set $anim, $info->{frames}, $info->{facings};	3651	cf::anim::set $anim, $info->{frames}, $info->{facings};
3245	cf::cede_to_tick;
3246	}	3652	}
3247		3653
3248	cf::anim::invalidate_all; # d'oh	3654	cf::anim::invalidate_all; # d'oh
3249	}	3655	}
3250		3656
3251	{	3657	{
3252	# TODO: for gcfclient pleasure, we should give resources
3253	# that gcfclient doesn't grok a >10000 face index.
3254	my $res = $facedata->{resource};	3658	my $res = $facedata->{resource};
3255		3659
3256	while (my ($name, $info) = each %$res) {	3660	while (my ($name, $info) = each %$res) {
3257	if (defined $info->{type}) {	3661	if (defined (my $type = $info->{type})) {
		3662	# TODO: different hash - must free and use new index, or cache ixface data queue
3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3663	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3259	my $data;
3260		3664
3261	if ($info->{type} & 1) {
3262	# prepend meta info
3263
3264	my $meta = $enc->encode ({
3265	name => $name,
3266	%{ $info->{meta} || {} },
3267	});
3268
3269	$data = pack "(w/a*)*", $meta, $info->{data};
3270	} else {
3271	$data = $info->{data};
3272	}
3273
3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3275	cf::face::set_type $idx, $info->{type};	3665	cf::face::set_type $idx, $type;
		3666	cf::face::set_data $idx, 0, $info->{size}, $info->{fofs}, $info->{hash};
		3667	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3668	$FACEHASH{$info->{hash}} = $idx;#d#
3276	} else {	3669	} else {
3277	$RESOURCE{$name} = $info;	3670	# $RESOURCE{$name} = $info; # unused
3278	}	3671	}
3279
3280	cf::cede_to_tick;
3281	}	3672	}
3282	}	3673	}
		3674
		3675	($fh, $FACEDATA) = ($FACEDATA, $fh);
		3676
		3677	# HACK to clear player env face cache, we need some signal framework
		3678	# for this (global event?)
		3679	%ext::player_env::MUSIC_FACE_CACHE = ();
		3680
		3681	# END ATOMIC
		3682
		3683	cf::debug "facedata atomic update time ", EV::time - $t1;
3283		3684
3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3685	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3285		3686
		3687	aio_close $fh if $fh; # close old facedata
		3688
3286	1	3689	1
3287	}	3690	}
3288
3289	cf::global->attach (on_resource_update => sub {
3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3292
3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3294	my $sound = $soundconf->{compat}[$_]
3295	or next;
3296
3297	my $face = cf::face::find "sound/$sound->[1]";
3298	cf::sound::set $sound->[0] => $face;
3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3300	}
3301
3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
3303	my $face = cf::face::find "sound/$v";
3304	cf::sound::set $k => $face;
3305	}
3306	}
3307	});
3308		3691
3309	register_exticmd fx_want => sub {	3692	register_exticmd fx_want => sub {
3310	my ($ns, $want) = @_;	3693	my ($ns, $want) = @_;
3311		3694
3312	while (my ($k, $v) = each %$want) {	3695	while (my ($k, $v) = each %$want) {
…		…
3320	my $status = load_resource_file_ $_[0];	3703	my $status = load_resource_file_ $_[0];
3321	get_slot 0.1, 100;	3704	get_slot 0.1, 100;
3322	cf::arch::commit_load;	3705	cf::arch::commit_load;
3323		3706
3324	$status	3707	$status
		3708	}
		3709
		3710	sub reload_exp_table {
		3711	_reload_exp_table;
		3712
		3713	set_face "res/exp_table" => FT_RSRC,
		3714	JSON::XS->new->utf8->canonical->encode (
		3715	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3716	);
		3717	}
		3718
		3719	sub reload_materials {
		3720	_reload_materials;
3325	}	3721	}
3326		3722
3327	sub reload_regions {	3723	sub reload_regions {
3328	# HACK to clear player env face cache, we need some signal framework	3724	# HACK to clear player env face cache, we need some signal framework
3329	# for this (global event?)	3725	# for this (global event?)
…		…
3337	if exists $_->{match};	3733	if exists $_->{match};
3338	}	3734	}
3339	}	3735	}
3340		3736
3341	sub reload_facedata {	3737	sub reload_facedata {
3342	load_facedata "$DATADIR/facedata"	3738	load_facedata $DATADIR
3343	or die "unable to load facedata\n";	3739	or die "unable to load facedata\n";
3344	}	3740	}
3345		3741
3346	sub reload_archetypes {	3742	sub reload_archetypes {
3347	load_resource_file "$DATADIR/archetypes"	3743	load_resource_file "$DATADIR/archetypes"
3348	or die "unable to load archetypes\n";	3744	or die "unable to load archetypes\n";
		3745
		3746	set_face "res/skill_info" => FT_RSRC,
		3747	JSON::XS->new->utf8->canonical->encode (
		3748	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3749	);
		3750	set_face "res/spell_paths" => FT_RSRC,
		3751	JSON::XS->new->utf8->canonical->encode (
		3752	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3753	);
3349	}	3754	}
3350		3755
3351	sub reload_treasures {	3756	sub reload_treasures {
3352	load_resource_file "$DATADIR/treasures"	3757	load_resource_file "$DATADIR/treasures"
3353	or die "unable to load treasurelists\n";	3758	or die "unable to load treasurelists\n";
3354	}	3759	}
3355		3760
		3761	sub reload_sound {
		3762	trace "loading sound config from $DATADIR/sound\n";
		3763
		3764	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3765
		3766	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3767	my $sound = $soundconf->{compat}[$_]
		3768	or next;
		3769
		3770	my $face = cf::face::find "sound/$sound->[1]";
		3771	cf::sound::set $sound->[0] => $face;
		3772	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3773	}
		3774
		3775	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3776	my $face = cf::face::find "sound/$v";
		3777	cf::sound::set $k => $face;
		3778	}
		3779	}
		3780
3356	sub reload_resources {	3781	sub reload_resources {
3357	warn "reloading resource files...\n";	3782	trace "reloading resource files...\n";
3358		3783
		3784	reload_materials;
3359	reload_facedata;	3785	reload_facedata;
		3786	reload_exp_table;
		3787	reload_sound;
3360	reload_archetypes;	3788	reload_archetypes;
3361	reload_regions;	3789	reload_regions;
3362	reload_treasures;	3790	reload_treasures;
3363		3791
3364	warn "finished reloading resource files\n";	3792	trace "finished reloading resource files\n";
3365	}
3366
3367	sub init {
3368	my $guard = freeze_mainloop;
3369
3370	reload_resources;
3371	}	3793	}
3372		3794
3373	sub reload_config {	3795	sub reload_config {
3374	open my $fh, "<:utf8", "$CONFDIR/config"	3796	trace "reloading config file...\n";
3375	or return;
3376		3797
3377	local $/;	3798	my $config = load_file "$CONFDIR/config";
3378	*CFG = YAML::Load <$fh>;	3799	utf8::decode $config;
		3800	*CFG = decode_yaml $config;
3379		3801
3380	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3802	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3381		3803
3382	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3804	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3383	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3805	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3384		3806
3385	if (exists $CFG{mlockall}) {	3807	if (exists $CFG{mlockall}) {
…		…
3389	};	3811	};
3390	warn $@ if $@;	3812	warn $@ if $@;
3391	}	3813	}
3392	}	3814	}
3393		3815
		3816	sub pidfile() {
		3817	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3818	or die "$PIDFILE: $!";
		3819	flock $fh, &Fcntl::LOCK_EX
		3820	or die "$PIDFILE: flock: $!";
		3821	$fh
		3822	}
		3823
		3824	# make sure only one server instance is running at any one time
		3825	sub atomic {
		3826	my $fh = pidfile;
		3827
		3828	my $pid = <$fh>;
		3829	kill 9, $pid if $pid > 0;
		3830
		3831	seek $fh, 0, 0;
		3832	print $fh $$;
		3833	}
		3834
		3835	sub main_loop {
		3836	trace "EV::loop starting\n";
		3837	if (1) {
		3838	EV::loop;
		3839	}
		3840	trace "EV::loop returned\n";
		3841	goto &main_loop unless $REALLY_UNLOOP;
		3842	}
		3843
3394	sub main {	3844	sub main {
		3845	cf::init_globals; # initialise logging
		3846
		3847	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3848	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3849	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3850	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3851
		3852	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3853
3395	# we must not ever block the main coroutine	3854	# we must not ever block the main coroutine
3396	local $Coro::idle = sub {	3855	$Coro::idle = sub {
3397	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3856	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3398	(async {	3857	(async {
3399	$Coro::current->{desc} = "IDLE BUG HANDLER";	3858	$Coro::current->{desc} = "IDLE BUG HANDLER";
3400	EV::loop EV::LOOP_ONESHOT;	3859	EV::loop EV::LOOP_ONESHOT;
3401	})->prio (Coro::PRIO_MAX);	3860	})->prio (Coro::PRIO_MAX);
3402	};	3861	};
3403		3862
3404	{	3863	evthread_start IO::AIO::poll_fileno;
3405	my $guard = freeze_mainloop;	3864
		3865	cf::sync_job {
		3866	cf::incloader::init ();
		3867
		3868	db_init;
		3869
		3870	cf::init_anim;
		3871	cf::init_attackmess;
		3872	cf::init_dynamic;
		3873
		3874	cf::load_settings;
		3875
		3876	reload_resources;
3406	reload_config;	3877	reload_config;
3407	db_init;	3878
		3879	cf::init_uuid;
		3880	cf::init_signals;
		3881	cf::init_skills;
		3882
		3883	cf::init_beforeplay;
		3884
		3885	atomic;
		3886
3408	load_extensions;	3887	load_extensions;
3409		3888
3410	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3889	utime time, time, $RUNTIMEFILE;
3411	evthread_start IO::AIO::poll_fileno;	3890
		3891	# no (long-running) fork's whatsoever before this point(!)
		3892	use POSIX ();
		3893	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3894
		3895	cf::_post_init 0;
3412	}	3896	};
3413		3897
3414	EV::loop;	3898	cf::object::thawer::errors_are_fatal 0;
		3899	info "parse errors in files are no longer fatal from this point on.\n";
		3900
		3901	AE::postpone {
		3902	undef &main; # free gobs of memory :)
		3903	};
		3904
		3905	goto &main_loop;
3415	}	3906	}
3416		3907
3417	#############################################################################	3908	#############################################################################
3418	# initialisation and cleanup	3909	# initialisation and cleanup
3419		3910
3420	# install some emergency cleanup handlers	3911	# install some emergency cleanup handlers
3421	BEGIN {	3912	BEGIN {
3422	our %SIGWATCHER = ();	3913	our %SIGWATCHER = ();
3423	for my $signal (qw(INT HUP TERM)) {	3914	for my $signal (qw(INT HUP TERM)) {
3424	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3915	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3425	cf::cleanup "SIG$signal";	3916	cf::cleanup "SIG$signal";
3426	};	3917	};
3427	}	3918	}
3428	}	3919	}
3429		3920
3430	sub write_runtime_sync {	3921	sub write_runtime_sync {
3431	my $runtime = "$LOCALDIR/runtime";	3922	my $t0 = AE::time;
3432		3923
3433	# first touch the runtime file to show we are still running:	3924	# first touch the runtime file to show we are still running:
3434	# the fsync below can take a very very long time.	3925	# the fsync below can take a very very long time.
3435		3926
3436	IO::AIO::aio_utime $runtime, undef, undef;	3927	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3437		3928
3438	my $guard = cf::lock_acquire "write_runtime";	3929	my $guard = cf::lock_acquire "write_runtime";
3439		3930
3440	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3931	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3441	or return;	3932	or return;
3442		3933
3443	my $value = $cf::RUNTIME + 90 + 10;	3934	my $value = $cf::RUNTIME + 90 + 10;
3444	# 10 is the runtime save interval, for a monotonic clock	3935	# 10 is the runtime save interval, for a monotonic clock
3445	# 60 allows for the watchdog to kill the server.	3936	# 60 allows for the watchdog to kill the server.
…		…
3455	aio_utime $fh, undef, undef;	3946	aio_utime $fh, undef, undef;
3456		3947
3457	close $fh	3948	close $fh
3458	or return;	3949	or return;
3459		3950
3460	aio_rename "$runtime~", $runtime	3951	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3461	and return;	3952	and return;
3462		3953
3463	warn "runtime file written.\n";	3954	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3464		3955
3465	1	3956	1
3466	}	3957	}
3467		3958
3468	our $uuid_lock;	3959	our $uuid_lock;
…		…
3477	my $uuid = "$LOCALDIR/uuid";	3968	my $uuid = "$LOCALDIR/uuid";
3478		3969
3479	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3970	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3480	or return;	3971	or return;
3481		3972
3482	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3973	my $value = uuid_seq uuid_cur;
		3974
		3975	unless ($value) {
		3976	info "cowardly refusing to write zero uuid value!\n";
		3977	return;
		3978	}
		3979
		3980	my $value = uuid_str $value + $uuid_skip;
3483	$uuid_skip = 0;	3981	$uuid_skip = 0;
3484		3982
3485	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3983	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3486	and return;	3984	and return;
3487		3985
…		…
3493	or return;	3991	or return;
3494		3992
3495	aio_rename "$uuid~", $uuid	3993	aio_rename "$uuid~", $uuid
3496	and return;	3994	and return;
3497		3995
3498	warn "uuid file written ($value).\n";	3996	trace "uuid file written ($value).\n";
3499		3997
3500	1	3998	1
3501		3999
3502	}	4000	}
3503		4001
…		…
3509	}	4007	}
3510		4008
3511	sub emergency_save() {	4009	sub emergency_save() {
3512	my $freeze_guard = cf::freeze_mainloop;	4010	my $freeze_guard = cf::freeze_mainloop;
3513		4011
3514	warn "enter emergency perl save\n";	4012	info "emergency_perl_save: enter\n";
		4013
		4014	# this is a trade-off: we want to be very quick here, so
		4015	# save all maps without fsync, and later call a global sync
		4016	# (which in turn might be very very slow)
		4017	local $USE_FSYNC = 0;
3515		4018
3516	cf::sync_job {	4019	cf::sync_job {
		4020	cf::write_runtime_sync; # external watchdog should not bark
		4021
3517	# use a peculiar iteration method to avoid tripping on perl	4022	# use a peculiar iteration method to avoid tripping on perl
3518	# refcount bugs in for. also avoids problems with players	4023	# refcount bugs in for. also avoids problems with players
3519	# and maps saved/destroyed asynchronously.	4024	# and maps saved/destroyed asynchronously.
3520	warn "begin emergency player save\n";	4025	info "emergency_perl_save: begin player save\n";
3521	for my $login (keys %cf::PLAYER) {	4026	for my $login (keys %cf::PLAYER) {
3522	my $pl = $cf::PLAYER{$login} or next;	4027	my $pl = $cf::PLAYER{$login} or next;
3523	$pl->valid or next;	4028	$pl->valid or next;
3524	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4029	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3525	$pl->save;	4030	$pl->save;
3526	}	4031	}
3527	warn "end emergency player save\n";	4032	info "emergency_perl_save: end player save\n";
3528		4033
3529	warn "begin emergency map save\n";	4034	cf::write_runtime_sync; # external watchdog should not bark
		4035
		4036	info "emergency_perl_save: begin map save\n";
3530	for my $path (keys %cf::MAP) {	4037	for my $path (keys %cf::MAP) {
3531	my $map = $cf::MAP{$path} or next;	4038	my $map = $cf::MAP{$path} or next;
3532	$map->valid or next;	4039	$map->valid or next;
3533	$map->save;	4040	$map->save;
3534	}	4041	}
3535	warn "end emergency map save\n";	4042	info "emergency_perl_save: end map save\n";
3536		4043
3537	warn "begin emergency database checkpoint\n";	4044	cf::write_runtime_sync; # external watchdog should not bark
		4045
		4046	info "emergency_perl_save: begin database checkpoint\n";
3538	BDB::db_env_txn_checkpoint $DB_ENV;	4047	BDB::db_env_txn_checkpoint $DB_ENV;
3539	warn "end emergency database checkpoint\n";	4048	info "emergency_perl_save: end database checkpoint\n";
3540		4049
3541	warn "begin write uuid\n";	4050	info "emergency_perl_save: begin write uuid\n";
3542	write_uuid_sync 1;	4051	write_uuid_sync 1;
3543	warn "end write uuid\n";	4052	info "emergency_perl_save: end write uuid\n";
		4053
		4054	cf::write_runtime_sync; # external watchdog should not bark
		4055
		4056	trace "emergency_perl_save: syncing database to disk";
		4057	BDB::db_env_txn_checkpoint $DB_ENV;
		4058
		4059	info "emergency_perl_save: starting sync\n";
		4060	IO::AIO::aio_sync sub {
		4061	info "emergency_perl_save: finished sync\n";
		4062	};
		4063
		4064	cf::write_runtime_sync; # external watchdog should not bark
		4065
		4066	trace "emergency_perl_save: flushing outstanding aio requests";
		4067	while (IO::AIO::nreqs || BDB::nreqs) {
		4068	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4069	}
		4070
		4071	cf::write_runtime_sync; # external watchdog should not bark
3544	};	4072	};
3545		4073
3546	warn "leave emergency perl save\n";	4074	info "emergency_perl_save: leave\n";
3547	}	4075	}
3548		4076
3549	sub post_cleanup {	4077	sub post_cleanup {
3550	my ($make_core) = @_;	4078	my ($make_core) = @_;
3551		4079
		4080	IO::AIO::flush;
		4081
3552	warn Carp::longmess "post_cleanup backtrace"	4082	error Carp::longmess "post_cleanup backtrace"
3553	if $make_core;	4083	if $make_core;
		4084
		4085	my $fh = pidfile;
		4086	unlink $PIDFILE if <$fh> == $$;
		4087	}
		4088
		4089	# a safer delete_package, copied from Symbol
		4090	sub clear_package($) {
		4091	my $pkg = shift;
		4092
		4093	# expand to full symbol table name if needed
		4094	unless ($pkg =~ /^main::.*::$/) {
		4095	$pkg = "main$pkg" if $pkg =~ /^::/;
		4096	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4097	$pkg .= '::' unless $pkg =~ /::$/;
		4098	}
		4099
		4100	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4101	my $stem_symtab = *{$stem}{HASH};
		4102
		4103	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4104	or return;
		4105
		4106	# clear all symbols
		4107	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4108	for my $name (keys %$leaf_symtab) {
		4109	_gv_clear *{"$pkg$name"};
		4110	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4111	}
3554	}	4112	}
3555		4113
3556	sub do_reload_perl() {	4114	sub do_reload_perl() {
3557	# can/must only be called in main	4115	# can/must only be called in main
3558	if ($Coro::current != $Coro::main) {	4116	unless (in_main) {
3559	warn "can only reload from main coroutine";	4117	error "can only reload from main coroutine";
3560	return;	4118	return;
3561	}	4119	}
3562		4120
3563	warn "reloading...";	4121	return if $RELOAD++;
3564		4122
3565	warn "entering sync_job";	4123	my $t1 = AE::time;
3566		4124
		4125	while ($RELOAD) {
		4126	cf::get_slot 0.1, -1, "reload_perl";
		4127	info "perl_reload: reloading...";
		4128
		4129	trace "perl_reload: entering sync_job";
		4130
3567	cf::sync_job {	4131	cf::sync_job {
3568	cf::write_runtime_sync; # external watchdog should not bark
3569	cf::emergency_save;	4132	#cf::emergency_save;
3570	cf::write_runtime_sync; # external watchdog should not bark
3571		4133
3572	warn "syncing database to disk";
3573	BDB::db_env_txn_checkpoint $DB_ENV;
3574
3575	# if anything goes wrong in here, we should simply crash as we already saved
3576
3577	warn "flushing outstanding aio requests";
3578	for (;;) {
3579	BDB::flush;
3580	IO::AIO::flush;
3581	Coro::cede_notself;
3582	last unless IO::AIO::nreqs || BDB::nreqs;
3583	warn "iterate...";
3584	}
3585
3586	++$RELOAD;
3587
3588	warn "cancelling all extension coros";	4134	trace "perl_reload: cancelling all extension coros";
3589	$_->cancel for values %EXT_CORO;	4135	$_->cancel for values %EXT_CORO;
3590	%EXT_CORO = ();	4136	%EXT_CORO = ();
3591		4137
3592	warn "removing commands";	4138	trace "perl_reload: removing commands";
3593	%COMMAND = ();	4139	%COMMAND = ();
3594		4140
3595	warn "removing ext/exti commands";	4141	trace "perl_reload: removing ext/exti commands";
3596	%EXTCMD = ();	4142	%EXTCMD = ();
3597	%EXTICMD = ();	4143	%EXTICMD = ();
3598		4144
3599	warn "unloading/nuking all extensions";	4145	trace "perl_reload: unloading/nuking all extensions";
3600	for my $pkg (@EXTS) {	4146	for my $pkg (@EXTS) {
3601	warn "... unloading $pkg";	4147	trace "... unloading $pkg";
3602		4148
3603	if (my $cb = $pkg->can ("unload")) {	4149	if (my $cb = $pkg->can ("unload")) {
3604	eval {	4150	eval {
3605	$cb->($pkg);	4151	$cb->($pkg);
3606	1	4152	1
3607	} or warn "$pkg unloaded, but with errors: $@";	4153	} or error "$pkg unloaded, but with errors: $@";
		4154	}
		4155
		4156	trace "... clearing $pkg";
		4157	clear_package $pkg;
3608	}	4158	}
3609		4159
3610	warn "... nuking $pkg";
3611	Symbol::delete_package $pkg;
3612	}
3613
3614	warn "unloading all perl modules loaded from $LIBDIR";	4160	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3615	while (my ($k, $v) = each %INC) {	4161	while (my ($k, $v) = each %INC) {
3616	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4162	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3617		4163
3618	warn "... unloading $k";	4164	trace "... unloading $k";
3619	delete $INC{$k};	4165	delete $INC{$k};
3620		4166
3621	$k =~ s/\.pm$//;	4167	$k =~ s/\.pm$//;
3622	$k =~ s/\//::/g;	4168	$k =~ s/\//::/g;
3623		4169
3624	if (my $cb = $k->can ("unload_module")) {	4170	if (my $cb = $k->can ("unload_module")) {
3625	$cb->();	4171	$cb->();
		4172	}
		4173
		4174	clear_package $k;
3626	}	4175	}
3627		4176
3628	Symbol::delete_package $k;
3629	}
3630
3631	warn "getting rid of safe::, as good as possible";	4177	trace "perl_reload: getting rid of safe::, as good as possible";
3632	Symbol::delete_package "safe::$_"	4178	clear_package "safe::$_"
3633	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4179	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3634		4180
3635	warn "unloading cf.pm \"a bit\"";	4181	trace "perl_reload: unloading cf.pm \"a bit\"";
3636	delete $INC{"cf.pm"};	4182	delete $INC{"cf.pm"};
3637	delete $INC{"cf/pod.pm"};	4183	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3638		4184
3639	# don't, removes xs symbols, too,	4185	# don't, removes xs symbols, too,
3640	# and global variables created in xs	4186	# and global variables created in xs
3641	#Symbol::delete_package __PACKAGE__;	4187	#clear_package __PACKAGE__;
3642		4188
3643	warn "unload completed, starting to reload now";	4189	info "perl_reload: unload completed, starting to reload now";
3644		4190
3645	warn "reloading cf.pm";	4191	trace "perl_reload: reloading cf.pm";
3646	require cf;	4192	require cf;
3647	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4193	cf::_connect_to_perl_1;
3648		4194
3649	warn "loading config and database again";	4195	trace "perl_reload: loading config and database again";
3650	cf::reload_config;	4196	cf::reload_config;
3651		4197
3652	warn "loading extensions";	4198	trace "perl_reload: loading extensions";
3653	cf::load_extensions;	4199	cf::load_extensions;
3654		4200
		4201	if ($REATTACH_ON_RELOAD) {
3655	warn "reattaching attachments to objects/players";	4202	trace "perl_reload: reattaching attachments to objects/players";
3656	_global_reattach; # objects, sockets	4203	_global_reattach; # objects, sockets
3657	warn "reattaching attachments to maps";	4204	trace "perl_reload: reattaching attachments to maps";
3658	reattach $_ for values %MAP;	4205	reattach $_ for values %MAP;
3659	warn "reattaching attachments to players";	4206	trace "perl_reload: reattaching attachments to players";
3660	reattach $_ for values %PLAYER;	4207	reattach $_ for values %PLAYER;
		4208	}
3661		4209
3662	warn "leaving sync_job";	4210	cf::_post_init 1;
3663		4211
		4212	trace "perl_reload: leaving sync_job";
		4213
3664	1	4214	1
3665	} or do {	4215	} or do {
3666	warn $@;	4216	error $@;
3667	cf::cleanup "error while reloading, exiting.";	4217	cf::cleanup "perl_reload: error, exiting.";
		4218	};
		4219
		4220	--$RELOAD;
3668	};	4221	}
3669		4222
3670	warn "reloaded";	4223	$t1 = AE::time - $t1;
		4224	info "perl_reload: completed in ${t1}s\n";
3671	};	4225	};
3672		4226
3673	our $RELOAD_WATCHER; # used only during reload	4227	our $RELOAD_WATCHER; # used only during reload
3674		4228
3675	sub reload_perl() {	4229	sub reload_perl() {
3676	# doing reload synchronously and two reloads happen back-to-back,	4230	# doing reload synchronously and two reloads happen back-to-back,
3677	# coro crashes during coro_state_free->destroy here.	4231	# coro crashes during coro_state_free->destroy here.
3678		4232
		4233	$RELOAD_WATCHER ||= cf::async {
		4234	Coro::AIO::aio_wait cache_extensions;
		4235
3679	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4236	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3680	do_reload_perl;	4237	do_reload_perl;
3681	undef $RELOAD_WATCHER;	4238	undef $RELOAD_WATCHER;
		4239	};
3682	};	4240	};
3683	}	4241	}
3684		4242
3685	register_command "reload" => sub {	4243	register_command "reload" => sub {
3686	my ($who, $arg) = @_;	4244	my ($who, $arg) = @_;
…		…
3692	reload_perl;	4250	reload_perl;
3693	};	4251	};
3694	}	4252	}
3695	};	4253	};
3696		4254
3697	unshift @INC, $LIBDIR;	4255	#############################################################################
3698		4256
3699	my $bug_warning = 0;	4257	my $bug_warning = 0;
3700		4258
3701	our @WAIT_FOR_TICK;
3702	our @WAIT_FOR_TICK_BEGIN;
3703
3704	sub wait_for_tick {	4259	sub wait_for_tick() {
3705	return if tick_inhibit || $Coro::current == $Coro::main;	4260	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3706		4261
3707	my $signal = new Coro::Signal;	4262	$WAIT_FOR_TICK->wait;
3708	push @WAIT_FOR_TICK, $signal;
3709	$signal->wait;
3710	}	4263	}
3711		4264
3712	sub wait_for_tick_begin {	4265	sub wait_for_tick_begin() {
3713	return if tick_inhibit || $Coro::current == $Coro::main;	4266	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3714		4267
3715	my $signal = new Coro::Signal;	4268	my $signal = new Coro::Signal;
3716	push @WAIT_FOR_TICK_BEGIN, $signal;	4269	push @WAIT_FOR_TICK_BEGIN, $signal;
3717	$signal->wait;	4270	$signal->wait;
3718	}	4271	}
…		…
3722	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4275	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3723	unless ++$bug_warning > 10;	4276	unless ++$bug_warning > 10;
3724	return;	4277	return;
3725	}	4278	}
3726		4279
3727	cf::server_tick; # one server iteration	4280	cf::one_tick; # one server iteration
		4281
		4282	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3728		4283
3729	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4284	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3730	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4285	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3731	Coro::async_pool {	4286	Coro::async_pool {
3732	$Coro::current->{desc} = "runtime saver";	4287	$Coro::current->{desc} = "runtime saver";
3733	write_runtime_sync	4288	write_runtime_sync
3734	or warn "ERROR: unable to write runtime file: $!";	4289	or error "ERROR: unable to write runtime file: $!";
3735	};	4290	};
3736	}	4291	}
3737		4292
3738	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4293	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3739	$sig->send;	4294	$sig->send;
3740	}	4295	}
3741	while (my $sig = shift @WAIT_FOR_TICK) {	4296	$WAIT_FOR_TICK->broadcast;
3742	$sig->send;
3743	}
3744		4297
3745	$LOAD = ($NOW - $TICK_START) / $TICK;	4298	$LOAD = ($NOW - $TICK_START) / $TICK;
3746	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4299	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3747		4300
3748	if (0) {	4301	if (0) {
3749	if ($NEXT_TICK) {	4302	if ($NEXT_TICK) {
3750	my $jitter = $TICK_START - $NEXT_TICK;	4303	my $jitter = $TICK_START - $NEXT_TICK;
3751	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4304	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3752	warn "jitter $JITTER\n";#d#	4305	debug "jitter $JITTER\n";#d#
3753	}	4306	}
3754	}	4307	}
3755	}	4308	}
3756		4309
3757	{	4310	{
3758	# configure BDB	4311	# configure BDB
		4312	info "initialising database";
3759		4313
3760	BDB::min_parallel 8;	4314	BDB::min_parallel 16;
3761	BDB::max_poll_reqs $TICK * 0.1;	4315	BDB::max_poll_reqs $TICK * 0.1;
3762	$Coro::BDB::WATCHER->priority (1);	4316	#$AnyEvent::BDB::WATCHER->priority (1);
3763		4317
3764	unless ($DB_ENV) {	4318	unless ($DB_ENV) {
3765	$DB_ENV = BDB::db_env_create;	4319	$DB_ENV = BDB::db_env_create;
3766	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4320	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3767	| BDB::LOG_AUTOREMOVE, 1);	4321	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4322	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3768	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4323	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3769	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4324	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3770		4325
3771	cf::sync_job {	4326	cf::sync_job {
3772	eval {	4327	eval {
…		…
3791	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4346	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3792	};	4347	};
3793	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4348	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3794	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4349	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3795	};	4350	};
		4351
		4352	info "database initialised";
3796	}	4353	}
3797		4354
3798	{	4355	{
3799	# configure IO::AIO	4356	# configure IO::AIO
3800		4357
		4358	info "initialising aio";
3801	IO::AIO::min_parallel 8;	4359	IO::AIO::min_parallel 8;
3802	IO::AIO::max_poll_time $TICK * 0.1;	4360	IO::AIO::max_poll_time $TICK * 0.1;
3803	$Coro::AIO::WATCHER->priority (1);	4361	undef $AnyEvent::AIO::WATCHER;
		4362	info "aio initialised";
3804	}	4363	}
3805		4364
3806	my $_log_backtrace;	4365	our $_log_backtrace;
		4366	our $_log_backtrace_last;
3807		4367
3808	sub _log_backtrace {	4368	sub _log_backtrace {
3809	my ($msg, @addr) = @_;	4369	my ($msg, @addr) = @_;
3810		4370
3811	$msg =~ s/\n//;	4371	$msg =~ s/\n$//;
3812		4372
		4373	if ($_log_backtrace_last eq $msg) {
		4374	LOG llevInfo, "[ABT] $msg\n";
		4375	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3813	# limit the # of concurrent backtraces	4376	# limit the # of concurrent backtraces
3814	if ($_log_backtrace < 2) {	4377	} elsif ($_log_backtrace < 2) {
		4378	$_log_backtrace_last = $msg;
3815	++$_log_backtrace;	4379	++$_log_backtrace;
		4380	my $perl_bt = Carp::longmess $msg;
3816	async {	4381	async {
3817	$Coro::current->{desc} = "abt $msg";	4382	$Coro::current->{desc} = "abt $msg";
3818		4383
3819	my @bt = fork_call {	4384	my @bt = fork_call {
3820	@addr = map { sprintf "%x", $_ } @addr;	4385	@addr = map { sprintf "%x", $_ } @addr;
…		…
3831	}	4396	}
3832		4397
3833	@funcs	4398	@funcs
3834	};	4399	};
3835		4400
3836	LOG llevInfo, "[ABT] $msg\n";	4401	LOG llevInfo, "[ABT] $perl_bt\n";
		4402	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3837	LOG llevInfo, "[ABT] $_\n" for @bt;	4403	LOG llevInfo, "[ABT] $_\n" for @bt;
3838	--$_log_backtrace;	4404	--$_log_backtrace;
3839	};	4405	};
3840	} else {	4406	} else {
3841	LOG llevInfo, "[ABT] $msg\n";	4407	LOG llevInfo, "[ABT] $msg\n";
3842	LOG llevInfo, "[ABT] [suppressed]\n";	4408	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3843	}	4409	}
3844	}	4410	}
3845		4411
3846	# load additional modules	4412	# load additional modules
3847	use cf::pod;	4413	require "cf/$_.pm" for @EXTRA_MODULES;
		4414	cf::_connect_to_perl_2;
3848		4415
3849	END { cf::emergency_save }	4416	END { cf::emergency_save }
3850		4417
3851	1	4418	1
3852		4419

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