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Revision 1.418 by root, Fri Apr 11 21:09:53 2008 UTC vs.
Revision 1.604 by root, Thu Nov 15 07:08:08 2012 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
18	#	18	# <http://www.gnu.org/licenses/>.
		19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use utf8;	25	use common::sense;
25	use strict;
26		26
27	use Symbol;	27	use Symbol;
28	use List::Util;	28	use List::Util;
29	use Socket;	29	use Socket;
30	use EV 3.2;	30	use EV;
31	use Opcode;	31	use Opcode;
32	use Safe;	32	use Safe;
33	use Safe::Hole;	33	use Safe::Hole;
34	use Storable ();	34	use Storable ();
		35	use Carp ();
35		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
36	use Coro 4.50 ();	41	use Coro ();
37	use Coro::State;	42	use Coro::State;
38	use Coro::Handle;	43	use Coro::Handle;
39	use Coro::EV;	44	use Coro::EV;
		45	use Coro::AnyEvent;
40	use Coro::Timer;	46	use Coro::Timer;
41	use Coro::Signal;	47	use Coro::Signal;
42	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
43	use Coro::AIO;	51	use Coro::AIO;
44	use Coro::BDB;	52	use Coro::BDB 1.6;
45	use Coro::Storable;	53	use Coro::Storable;
46	use Coro::Util ();	54	use Coro::Util ();
47		55
		56	use Guard ();
48	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
49	use BDB ();	58	use BDB ();
50	use Data::Dumper;	59	use Data::Dumper;
51	use Digest::MD5;
52	use Fcntl;	60	use Fcntl;
53	use YAML ();	61	use YAML::XS ();
54	use IO::AIO 2.51 ();	62	use IO::AIO ();
55	use Time::HiRes;
56	use Compress::LZF;	63	use Compress::LZF;
57	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
58		67
59	# configure various modules to our taste	68	# configure various modules to our taste
60	#	69	#
61	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64		78
65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
66		81
67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
68		85
69	our %COMMAND = ();	86	our %COMMAND = ();
70	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
71		88
72	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
73	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
74	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
77		96
78	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
80		101
81	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
82	our $DATADIR = datadir;	104	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
86	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
92	our %RESOURCE;	115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
93		125
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95	our $AIO_POLL_WATCHER;
96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	128	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		130
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	134	our $DB_ENV;
105		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
106	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
107		140
108	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
110	our $NOW;	144	our $NOW;
111		145
112	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
113	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
114	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
…		…
119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	155	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
123		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
124	binmode STDOUT;	166	binmode STDOUT;
125	binmode STDERR;	167	binmode STDERR;
126		168
127	# read virtual server time, if available	169	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
132	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
133		177
134	mkdir $_	178	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		180
137	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
138		182
139	sub cf::map::normalise;	183	sub cf::map::normalise;
140		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
141	#############################################################################	189	#############################################################################
142		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
143	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
144		203
145	=over 4	204	=over 4
146		205
147	=item $cf::UPTIME	206	=item $cf::UPTIME
148		207
149	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
150		224
151	=item $cf::RUNTIME	225	=item $cf::RUNTIME
152		226
153	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
154	every server tick.	228	every server tick.
155		229
156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
159		233
160	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
162	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
163	database environment.	237	database environment.
164		238
165	=item $cf::NOW
166
167	The time of the last (current) server tick.
168
169	=item $cf::TICK
170
171	The interval between server ticks, in seconds.
172
173	=item $cf::LOADAVG	239	=item $cf::LOADAVG
174		240
175	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
176	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
177	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
186	from wherever your confdir points to.	252	from wherever your confdir points to.
187		253
188	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
189		255
190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
191	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
193		277
194	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
195		279
196	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198	that call.	282	that call.
199		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
200	=back	290	=back
201		291
202	=cut	292	=cut
203		293
204	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
205	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
206	my $msg = join "", @_;	301	my $msg = join "", @_;
207		302
208	$msg .= "\n"	303	$msg .= "\n"
209	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
210		305
211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
212		307
213	LOG llevError, $msg;	308	LOG llevWarn, $msg;
214	};	309	};
215	}
216		310
217	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
219		313
220	if ($Coro::current == $Coro::main) {#d#	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	318	return;#d#
223	}#d#	319	}#d#
224		320
225	# kill coroutine otherwise	321	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	322	Coro::terminate
228	};	323	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		324
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	335	for my $pkg (qw(
243	cf::global cf::attachable	336	cf::global cf::attachable
244	cf::object cf::object::player	337	cf::object cf::object::player
245	cf::client cf::player	338	cf::client cf::player
246	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
247	cf::map cf::party cf::region	341	cf::party cf::region
248	)) {	342	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	344	}
252		345
253	$EV::DIED = sub {	346	$EV::DIED = sub {
254	warn "error in event callback: @_";	347	warn "error in event callback: $@";
255	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
256		354
257	#############################################################################	355	#############################################################################
258		356
259	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
260		358
…		…
281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
282	$d	380	$d
283	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
284	}	382	}
285		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
286	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
287		437
288	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
289		439
290	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		447
298	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
300		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
301	=item cf::lock_wait $string	513	=item cf::lock_wait $string
302		514
303	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
304		516
305	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
306		518
307	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
309	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
310	returned.	522	returned.
311		523
312	Locks are *not* recursive, locking from the same coro twice results in a	524	Locks are *not* recursive, locking from the same coro twice results in a
313	deadlocked coro.	525	deadlocked coro.
…		…
319		531
320	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
321		533
322	=cut	534	=cut
323		535
324	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		537
327	sub lock_wait($) {	538	sub lock_wait($) {
328	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
329
330	if ($LOCKER{$key} == $Coro::current) {#d#
331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332	return;#d#
333	}#d#
334
335	# wait for lock, if any
336	while ($LOCK{$key}) {
337	push @{ $LOCK{$key} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	540	}
341		541
342	sub lock_acquire($) {	542	sub lock_acquire($) {
343	my ($key) = @_;	543	$LOCKS->guard ($_[0])
344
345	# wait, to be sure we are not locked
346	lock_wait $key;
347
348	$LOCK{$key} = [];
349	$LOCKER{$key} = $Coro::current;#d#
350
351	Coro::guard {
352	delete $LOCKER{$key};#d#
353	# wake up all waiters, to be on the safe side
354	$_->ready for @{ delete $LOCK{$key} };
355	}
356	}	544	}
357		545
358	sub lock_active($) {	546	sub lock_active($) {
359	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	548	}
363		549
364	sub freeze_mainloop {	550	sub freeze_mainloop {
365	tick_inhibit_inc;	551	tick_inhibit_inc;
366		552
367	Coro::guard \&tick_inhibit_dec;	553	&Guard::guard (\&tick_inhibit_dec);
368	}	554	}
369		555
370	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
371		557
372	Like EV::periodic, but randomly selects a starting point so that the actions	558	Like EV::periodic, but randomly selects a starting point so that the actions
373	get spread over timer.	559	get spread over time.
374		560
375	=cut	561	=cut
376		562
377	sub periodic($$) {	563	sub periodic($$) {
378	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
382	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
383	}	569	}
384		570
385	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
386		572
387	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
388	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
389	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
390		580
391	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
392	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
393		583
394	Useful for short background jobs.	584	Useful for short background jobs.
395		585
396	=cut	586	=cut
397		587
398	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
399	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
400		591
401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
403	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
404		595
405	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
406		598
407	while () {	599	while () {
408	next_job:	600	next_job:
		601
409	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
410	if ($avail > 0.01) {	603
411	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
412	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
413	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
414	$job->[2]->send;	608	$job->[2]->send;
415	Coro::cede;	609	Coro::cede;
416	goto next_job;	610	goto next_job;
417	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
418	}	613	}
419	}	614	}
420		615
421	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
422	# we do not use wait_for_tick() as it returns immediately when tick is inactive	617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
423	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
424	$signal->wait;
425	} else {	619	} else {
		620	$busy = 0;
426	Coro::schedule;	621	Coro::schedule;
427	}	622	}
428	}	623	}
429	};	624	};
430		625
431	sub get_slot($;$$) {	626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
432	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
433		630
434	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
435	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
436		634
437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
439	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
465	=cut	663	=cut
466		664
467	sub sync_job(&) {	665	sub sync_job(&) {
468	my ($job) = @_;	666	my ($job) = @_;
469		667
470	if ($Coro::current == $Coro::main) {	668	if (in_main) {
471	my $time = EV::time;	669	my $time = AE::time;
472		670
473	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
474	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
475		673
476	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
477		675
478	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
479		677
480	my $busy = 1;	678	my $busy = 1;
481	my @res;	679	my @res;
482		680
483	(async {	681	(async {
484	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
485	@res = eval { $job->() };	683	@res = eval { $job->() };
486	warn $@ if $@;	684	error $@ if $@;
487	undef $busy;	685	undef $busy;
488	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
489		687
490	while ($busy) {	688	while ($busy) {
491	if (Coro::nready) {	689	if (Coro::nready) {
…		…
493	} else {	691	} else {
494	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_ONESHOT;
495	}	693	}
496	}	694	}
497		695
498	my $time = EV::time - $time;	696	my $time = AE::time - $time;
499		697
500	$TICK_START += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
501		699
502	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
503	} else {	701	} else {
…		…
525	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
526		724
527	$coro	725	$coro
528	}	726	}
529		727
530	=item fork_call { }, $args	728	=item fork_call { }, @args
531		729
532	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
533	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
534	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
535	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
536		734
537	=cut	735	=cut
538		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
539	sub fork_call(&@) {	741	sub fork_call(&@) {
540	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
541		743
542	# we seemingly have to make a local copy of the whole thing,
543	# otherwise perl prematurely frees the stuff :/
544	# TODO: investigate and fix (likely this will be rather laborious)
545
546	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
547	reset_signals;	745	cf::post_fork;
548	&$cb	746	&$cb
549	}, @args;	747	} @args;
550		748
551	wantarray ? @res : $res[-1]	749	wantarray ? @res : $res[-1]
		750	}
		751
		752	sub objinfo {
		753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
552	}	761	}
553		762
554	=item $coin = coin_from_name $name	763	=item $coin = coin_from_name $name
555		764
556	=cut	765	=cut
…		…
593	within each server.	802	within each server.
594		803
595	=cut	804	=cut
596		805
597	sub db_table($) {	806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
598	my ($name) = @_;	810	my ($name) = @_;
599	my $db = BDB::db_create $DB_ENV;	811	my $db = BDB::db_create $DB_ENV;
600		812
601	eval {	813	eval {
602	$db->set_flags (BDB::CHKSUM);	814	$db->set_flags (BDB::CHKSUM);
…		…
612	}	824	}
613		825
614	our $DB;	826	our $DB;
615		827
616	sub db_init {	828	sub db_init {
617	cf::sync_job {
618	$DB ||= db_table "db";	829	$DB ||= db_table "db";
619	};
620	}	830	}
621		831
622	sub db_get($$) {	832	sub db_get($$) {
623	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
624		834
625	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
626	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
627		839
628	$! ? ()	840	$! ? ()
629	: $data	841	: $data
630	}
631	}	842	}
632		843
633	sub db_put($$$) {	844	sub db_put($$$) {
634	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
635	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
663		874
664	my @data;	875	my @data;
665	my $md5;	876	my $md5;
666		877
667	for (0 .. $#$src) {	878	for (0 .. $#$src) {
668	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
669	or Carp::croak "$src->[$_]: $!";
670	}	880	}
671		881
672	# if processing is expensive, check	882	# if processing is expensive, check
673	# checksum first	883	# checksum first
674	if (1) {	884	if (1) {
…		…
687		897
688	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
689	}	899	}
690	}	900	}
691		901
692	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
693	my $data = $process->(\@data);	903	my $data = $process->(\@data);
694	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
695		905
696	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
697		907
698	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
699	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
700	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
701		911
…		…
711		921
712	=cut	922	=cut
713		923
714	sub datalog($@) {	924	sub datalog($@) {
715	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
716	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
717	}	927	}
718		928
719	=back	929	=back
720		930
721	=cut	931	=cut
722		932
723	#############################################################################	933	#############################################################################
724		934
725	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
726		936
727	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
728	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
729	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
730		940
731	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
732	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
782	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
783		993
784	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
785	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
786		996
787	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
788	that are attached at load/instantiate time, thus the need for a name.	998	that are attached at load/instantiate time, thus the need for a name.
789		999
790	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
791		1001
792	=over 4	1002	=over 4
…		…
916		1126
917	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
918	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
919		1129
920	} elsif (ref $type) {	1130	} elsif (ref $type) {
921	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
922		1132
923	} else {	1133	} else {
924	shift @arg;	1134	shift @arg;
925	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
926	}	1136	}
927	}	1137	}
928	}	1138	}
929		1139
930	sub _object_attach {	1140	sub _object_attach {
…		…
940	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
941	}	1151	}
942		1152
943	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
944	} else {	1154	} else {
945	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
946	}	1156	}
947		1157
948	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
949	}	1159	}
950		1160
…		…
1009		1219
1010	for (@$callbacks) {	1220	for (@$callbacks) {
1011	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
1012		1222
1013	if ($@) {	1223	if ($@) {
1014	warn "$@";
1015	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1016	override;	1225	override;
1017	}	1226	}
1018		1227
1019	return 1 if $override;	1228	return 1 if $override;
1020	}	1229	}
…		…
1083		1292
1084	sub reattach {	1293	sub reattach {
1085	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
1086	my ($obj) = @_;	1295	my ($obj) = @_;
1087		1296
		1297	# no longer needed after getting rid of delete_package?
1088	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1298	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1089		1299
1090	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
1091		1301
1092	@$registry = ();	1302	@$registry = ();
1093		1303
…		…
1098	for (@$attach) {	1308	for (@$attach) {
1099	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
1100	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
1101	}	1311	}
1102	} else {	1312	} else {
1103	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
1104	}	1314	}
1105	}	1315	}
1106	}	1316	}
1107		1317
1108	cf::attachable->attach (	1318	cf::attachable->attach (
…		…
1135	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1136		1346
1137	sync_job {	1347	sync_job {
1138	if (length $$rdata) {	1348	if (length $$rdata) {
1139	utf8::decode (my $decname = $filename);	1349	utf8::decode (my $decname = $filename);
1140	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1141	$decname, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1142		1353
1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1144	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1146	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1359	aio_fsync $fh;
		1360	}
1147	close $fh;	1361	aio_close $fh;
1148		1362
1149	if (@$objs) {	1363	if (@$objs) {
1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1151	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1153	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1154	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1370	aio_fsync $fh;
		1371	}
1155	close $fh;	1372	aio_close $fh;
1156	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1157	}	1374	}
1158	} else {	1375	} else {
1159	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1160	}	1377	}
1161		1378
1162	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1163	} else {	1383	} else {
1164	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1165	}	1385	}
1166	} else {	1386	} else {
1167	aio_unlink $filename;	1387	aio_unlink $filename;
1168	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1169	}	1389	}
…		…
1193	my $st = eval { Coro::Storable::thaw $av };	1413	my $st = eval { Coro::Storable::thaw $av };
1194	$av = $st->{objs};	1414	$av = $st->{objs};
1195	}	1415	}
1196		1416
1197	utf8::decode (my $decname = $filename);	1417	utf8::decode (my $decname = $filename);
1198	warn sprintf "loading %s (%d,%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1199	$decname, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
1200		1421
1201	($data, $av)	1422	($data, $av)
1202	}	1423	}
1203		1424
1204	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
…		…
1208	=cut	1429	=cut
1209		1430
1210	#############################################################################	1431	#############################################################################
1211	# command handling &c	1432	# command handling &c
1212		1433
1213	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1214		1435
1215	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
1216	$name.	1437	$name.
1217		1438
1218	=cut	1439	=cut
…		…
1224	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1225		1446
1226	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1227	}	1448	}
1228		1449
1229	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1230		1451
1231	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1232	extcmd packet. Ext commands will be processed in the order they are	1453	extcmd packet. Ext commands will be processed in the order they are
1233	received by the server, like other user commands. The first argument is	1454	received by the server, like other user commands. The first argument is
1234	the logged-in player. Ext commands can only be processed after a player	1455	the logged-in player. Ext commands can only be processed after a player
1235	has logged in successfully.	1456	has logged in successfully.
1236		1457
1237	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1238	called.
1239		1459
		1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
1240	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1241		1466
1242	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1243	exticmd packet. Exti commands are processed by the server as soon as they	1468	exticmd packet. Exti commands are processed by the server as soon as they
1244	are received, i.e. out of order w.r.t. other commands. The first argument	1469	are received, i.e. out of order w.r.t. other commands. The first argument
1245	is a client socket. Exti commands can be received anytime, even before	1470	is a client socket. Exti commands can be received anytime, even before
1246	log-in.	1471	log-in.
1247		1472
1248	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1249	called.
1250		1474
1251	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1252		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1253	sub register_extcmd {	1482	sub register_extcmd($$) {
1254	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1255		1484
1256	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1257	}	1486	}
1258		1487
1259	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1260	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1261		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1262	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1263	}	1498	}
1264		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1265	cf::player->attach (	1508	cf::player->attach (
1266	on_command => sub {	1509	on_unknown_command => sub {
1267	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1268		1511
1269	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1270	or return;	1513	or return;
1271		1514
…		…
1279	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1280		1523
1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1282		1525
1283	if (ref $msg) {	1526	if (ref $msg) {
1284	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1285	"ARRAY" eq ref $msg
1286	? @$msg
1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1288		1528
1289	my @reply;
1290
1291	if (my $cb = $EXTCMD{$type}) {	1529	if (my $cb = $EXTACMD{$type}) {
		1530	$cb->(
		1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
1292	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1293	}	1547	}
1294		1548
1295	$pl->ext_reply ($reply, @reply)
1296	if $reply;
1297
1298	} else {	1549	} else {
1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1300	}	1551	}
1301		1552
1302	cf::override;	1553	cf::override;
1303	},	1554	},
1304	);	1555	);
1305		1556
		1557	# "readahead" all extensions
		1558	sub cache_extensions {
		1559	my $grp = IO::AIO::aio_group;
		1560
		1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1562	for (grep /\.ext$/, @{$_[0]}) {
		1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1564	}
		1565	};
		1566
		1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1579	}
		1580
1306	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1307	cf::sync_job {	1586	cf::sync_job {
1308	my %todo;	1587	my %todo;
1309		1588
1310	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1311	next unless -r $path;	1590	next unless -r $path;
…		…
1329		1608
1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1332		1611
1333	$ext{source} =	1612	$ext{source} =
1334	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1335	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1336	. $source	1615	. $source
1337	. "\n};\n1";	1616	. "\n};\n1";
1338		1617
1339	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1340	}	1619	}
1341		1620
		1621	my $pass = 0;
1342	my %done;	1622	my %done;
1343	while (%todo) {	1623	while (%todo) {
1344	my $progress;	1624	my $progress;
1345		1625
		1626	++$pass;
		1627
		1628	ext:
1346	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1347	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1348	goto skip	1631	next ext
1349	unless exists $done{$_};	1632	unless exists $done{$_};
1350	}	1633	}
1351		1634
1352	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1353		1636
1354	unless (eval $v->{source}) {	1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
1355	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1356	: "$v->{base}: extension inactive.\n";
1357		1650
1358	if (exists $v->{meta}{mandatory}) {
1359	warn $msg;
1360	cf::cleanup "mandatory extension failed to load, exiting.";	1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1361	}	1652	if exists $v->{meta}{mandatory};
1362		1653
1363	warn $msg;	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1655	delete $todo{$k};
		1656	} else {
		1657	$done{$k} = delete $todo{$k};
		1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1364	}	1663	}
1365
1366	$done{$k} = delete $todo{$k};
1367	push @EXTS, $v->{pkg};
1368	$progress = 1;
1369	}	1664	}
1370		1665
1371	skip:	1666	unless ($progress) {
1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1373	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1374	}	1676	}
1375	};	1677	};
1376	}	1678	}
1377		1679
1378	#############################################################################	1680	#############################################################################
1379		1681
1380	=back	1682	=back
1381		1683
1382	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1383		1685
1384	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1385		1687
1386	=cut	1688	=cut
1387		1689
1388	package cf::player;	1690	package cf::player;
1389		1691
…		…
1432		1734
1433	sub exists($) {	1735	sub exists($) {
1434	my ($login) = @_;	1736	my ($login) = @_;
1435		1737
1436	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1437	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1438	}	1740	}
1439		1741
1440	sub find($) {	1742	sub find($) {
1441	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1442	my $login = $_[0];	1744	my $login = $_[0];
…		…
1454	my $f = new_from_file cf::object::thawer path $login	1756	my $f = new_from_file cf::object::thawer path $login
1455	or return;	1757	or return;
1456		1758
1457	my $pl = cf::player::load_pl $f	1759	my $pl = cf::player::load_pl $f
1458	or return;	1760	or return;
		1761
1459	local $cf::PLAYER_LOADING{$login} = $pl;	1762	local $cf::PLAYER_LOADING{$login} = $pl;
1460	$f->resolve_delayed_derefs;	1763	$f->resolve_delayed_derefs;
1461	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1462	}	1765	}
1463	}	1766	}
1464	}	1767	}
1465		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
		1781
1466	sub save($) {	1782	sub save($) {
1467	my ($pl) = @_;	1783	my ($pl) = @_;
1468		1784
1469	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
1470		1786
…		…
1473		1789
1474	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1475		1791
1476	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1477	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
		1794
		1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1478		1799
1479	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1480	cf::cede_to_tick;	1801	cf::cede_to_tick;
1481	}	1802	}
1482		1803
…		…
1514	my ($pl) = @_;	1835	my ($pl) = @_;
1515		1836
1516	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1517		1838
1518	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1519	$pl->password ("*"); # this should lock out the player until we nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1520		1841
1521	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1522	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1523	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1524	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1525		1850
1526	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1527	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1528	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1566		1891
1567	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
1568	my $path = path $login;	1893	my $path = path $login;
1569		1894
1570	# a .pst is a dead give-away for a valid player	1895	# a .pst is a dead give-away for a valid player
1571	unless (-e "$path.pst") {	1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1573	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1574	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
1575	}	1901	}
1576		1902
…		…
1580		1906
1581	\@logins	1907	\@logins
1582	}	1908	}
1583		1909
1584	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1585		1913
1586	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1587	player. May block.	1915	player. May block.
1588		1916
1589	=cut	1917	=cut
…		…
1607	}	1935	}
1608		1936
1609	\@paths	1937	\@paths
1610	}	1938	}
1611		1939
1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1613		1941
1614	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1615
1616	=cut
1617
1618	use re 'eval';
1619
1620	my $group;
1621	my $interior; $interior = qr{
1622	# match a pod interior sequence sans C<< >>
1623	(?:
1624	\ (.*?)\ (?{ $group = $^N })
1625	| < (??{$interior}) >
1626	)
1627	}x;
1628
1629	sub expand_cfpod {
1630	my ($self, $pod) = @_;
1631
1632	my $xml;
1633
1634	while () {
1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1636	$group = $1;
1637
1638	$group =~ s/&/&amp;/g;
1639	$group =~ s/</&lt;/g;
1640
1641	$xml .= $group;
1642	} elsif ($pod =~ m%\G
1643	([BCGHITU])
1644	<
1645	(?:
1646	([^<>]*) (?{ $group = $^N })
1647	| < $interior >
1648	)
1649	>
1650	%gcsx
1651	) {
1652	my ($code, $data) = ($1, $group);
1653
1654	if ($code eq "B") {
1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1656	} elsif ($code eq "I") {
1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1658	} elsif ($code eq "U") {
1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1660	} elsif ($code eq "C") {
1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1662	} elsif ($code eq "T") {
1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1664	} elsif ($code eq "G") {
1665	my ($male, $female) = split /\|/, $data;
1666	$data = $self->gender ? $female : $male;
1667	$xml .= expand_cfpod ($self, $data);
1668	} elsif ($code eq "H") {
1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1671	"")
1672	[$self->{hintmode}];
1673	} else {
1674	$xml .= "error processing '$code($data)' directive";
1675	}
1676	} else {
1677	if ($pod =~ /\G(.+)/) {
1678	warn "parse error while expanding $pod (at $1)";
1679	}
1680	last;
1681	}
1682	}
1683
1684	for ($xml) {
1685	# create single paragraphs (very hackish)
1686	s/(?<=\S)\n(?=\w)/ /g;
1687
1688	# compress some whitespace
1689	s/\s+\n/\n/g; # ws line-ends
1690	s/\n\n+/\n/g; # double lines
1691	s/^\n+//; # beginning lines
1692	s/\n+$//; # ending lines
1693	}
1694
1695	$xml
1696	}
1697
1698	no re 'eval';
1699
1700	sub hintmode {
1701	$_[0]{hintmode} = $_[1] if @_ > 1;
1702	$_[0]{hintmode}
1703	}
1704
1705	=item $player->ext_reply ($msgid, @msg)
1706
1707	Sends an ext reply to the player.
1708
1709	=cut
1710
1711	sub ext_reply($$@) {
1712	my ($self, $id, @msg) = @_;
1713
1714	$self->ns->ext_reply ($id, @msg)
1715	}
1716		1943
1717	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1718		1945
1719	Sends an ext event to the client.	1946	Sends an ext event to the client.
1720		1947
…		…
1740		1967
1741	=cut	1968	=cut
1742		1969
1743	sub find_by_path($) {	1970	sub find_by_path($) {
1744	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1745		1974
1746	my ($match, $specificity);	1975	my ($match, $specificity);
1747		1976
1748	for my $region (list) {	1977	for my $region (list) {
1749	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1778	sub generate_random_map {	2007	sub generate_random_map {
1779	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1780		2009
1781	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1782		2011
1783	# mit "rum" bekleckern, nicht
1784	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1788	$rmp->{exit_on_final_map},
1789	$rmp->{xsize}, $rmp->{ysize},
1790	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1791	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1792	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1793	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1794	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1795	(cf::region::find $rmp->{region}), $rmp->{custom}
1796	)
1797	}	2013	}
1798		2014
1799	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1800		2016
1801	Register a handler for the map path matching the given regex at the	2017	Register a handler for the map path matching the given regex at the
…		…
1806		2022
1807	sub register {	2023	sub register {
1808	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1809	my $pkg = caller;	2025	my $pkg = caller;
1810		2026
1811	no strict;
1812	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1813		2028
1814	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1815	}	2030	}
1816		2031
1817	# also paths starting with '/'	2032	# also paths starting with '/'
1818	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1819		2034
1820	sub thawer_merge {	2035	sub thawer_merge {
1821	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1822		2037
1823	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1828	}	2043	}
1829		2044
1830	sub normalise {	2045	sub normalise {
1831	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1832		2047
1833	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1834		2049
1835	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1836		2051
1837	# map plan:	2052	# map plan:
1838	#	2053	#
…		…
1853	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1854	$path = "$base/$path";	2069	$path = "$base/$path";
1855	}	2070	}
1856		2071
1857	for ($path) {	2072	for ($path) {
1858	redo if s{//}{/};
1859	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1860	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1861	}	2075	}
1862		2076
1863	$path	2077	$path
…		…
1877	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1878	return $self;	2092	return $self;
1879	}	2093	}
1880	}	2094	}
1881		2095
1882	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1883	()	2097	()
1884	}	2098	}
1885		2099
		2100	# may re-bless or do other evil things
1886	sub init {	2101	sub init {
1887	my ($self) = @_;	2102	my ($self) = @_;
1888		2103
1889	$self	2104	$self
1890	}	2105	}
…		…
1909		2124
1910	# the temporary/swap location	2125	# the temporary/swap location
1911	sub save_path {	2126	sub save_path {
1912	my ($self) = @_;	2127	my ($self) = @_;
1913		2128
1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1915	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1916	}	2131	}
1917		2132
1918	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1919	sub uniq_path {	2134	sub uniq_path {
1920	my ($self) = @_;	2135	my ($self) = @_;
1921		2136
1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1923	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1924	}
1925
1926	# and all this just because we cannot iterate over
1927	# all maps in C++...
1928	sub change_all_map_light {
1929	my ($change) = @_;
1930
1931	$_->change_map_light ($change)
1932	for grep $_->outdoor, values %cf::MAP;
1933	}	2139	}
1934		2140
1935	sub decay_objects {	2141	sub decay_objects {
1936	my ($self) = @_;	2142	my ($self) = @_;
1937		2143
…		…
1964	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1965		2171
1966	1	2172	1
1967	}	2173	}
1968		2174
		2175	# used to laod the header of an original map
1969	sub load_header_orig {	2176	sub load_header_orig {
1970	my ($self) = @_;	2177	my ($self) = @_;
1971		2178
1972	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1973	}	2180	}
1974		2181
		2182	# used to laod the header of an instantiated map
1975	sub load_header_temp {	2183	sub load_header_temp {
1976	my ($self) = @_;	2184	my ($self) = @_;
1977		2185
1978	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1979	}	2187	}
1980		2188
		2189	# called after loading the header from an instantiated map
1981	sub prepare_temp {	2190	sub prepare_temp {
1982	my ($self) = @_;	2191	my ($self) = @_;
1983		2192
1984	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1985	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1986	# safety	2195	# safety
1987	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1988	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1989	}	2198	}
1990		2199
		2200	# called after loading the header from an original map
1991	sub prepare_orig {	2201	sub prepare_orig {
1992	my ($self) = @_;	2202	my ($self) = @_;
1993		2203
1994	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1995	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2019		2229
2020	sub find;	2230	sub find;
2021	sub find {	2231	sub find {
2022	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
2023		2233
		2234	cf::cede_to_tick;
		2235
2024	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
2025		2237
2026	cf::lock_wait "map_data:$path";#d#remove	2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2027	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
2028		2240
2029	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
2030	my $guard1 = cf::lock_acquire "map_find:$path";
2031	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2032
2033	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
2034	or return;	2243	or return;
2035		2244
2036	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
2037		2246
…		…
2039	or return;	2248	or return;
2040		2249
2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2042	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
2043	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
2044	undef $guard1;	2254	undef $guard1;
2045	undef $guard2;
2046	$map->reset;	2255	$map->reset;
2047	return find $path;	2256	return find $path;
2048	}	2257	}
2049		2258
2050	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
2051	}	2260	}
2052	}	2261	}
2053		2262
2054	sub pre_load { }	2263	sub pre_load { }
2055	sub post_load { }	2264	#sub post_load { } # XS
2056		2265
2057	sub load {	2266	sub load {
2058	my ($self) = @_;	2267	my ($self) = @_;
2059		2268
2060	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2063		2272
2064	{	2273	{
2065	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
2066		2275
2067	return unless $self->valid;	2276	return unless $self->valid;
2068	return unless $self->in_memory == cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
2069
2070	$self->in_memory (cf::MAP_LOADING);
2071		2278
2072	$self->alloc;	2279	$self->alloc;
2073		2280
2074	$self->pre_load;	2281	$self->pre_load;
2075	cf::cede_to_tick;	2282	cf::cede_to_tick;
2076		2283
		2284	if (exists $self->{load_path}) {
2077	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
2078	$f->skip_block;	2286	$f->skip_block;
2079	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
2080	or return;	2288	or return;
2081		2289
2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
2083	if delete $self->{load_original};	2291	if delete $self->{load_original};
2084		2292
2085	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
2086	utf8::encode $uniq;	2294	utf8::encode $uniq;
2087	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
2088	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
2089	$self->clear_unique_items;	2297	$self->clear_unique_items;
2090	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
2091	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
2092	}	2301	}
2093	}	2302	}
2094	}
2095		2303
2096	$f->resolve_delayed_derefs;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
		2309
		2310	$self->state (cf::MAP_INACTIVE);
2097		2311
2098	cf::cede_to_tick;	2312	cf::cede_to_tick;
2099	# now do the right thing for maps	2313	# now do the right thing for maps
2100	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
2101	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
2105	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
2106	$self->decay_objects;	2320	$self->decay_objects;
2107	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
2108	$self->update_buttons;	2322	$self->update_buttons;
2109	cf::cede_to_tick;	2323	cf::cede_to_tick;
2110	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
2111	cf::cede_to_tick;
2112	$self->activate;
2113	}	2325	}
2114		2326
2115	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
2116	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
2117
2118	$self->in_memory (cf::MAP_IN_MEMORY);
2119	}	2329	}
2120		2330
2121	$self->post_load;	2331	$self->post_load;
2122	}
2123		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
2124	sub customise_for {	2339	sub customise_for {
2125	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
2126		2341
2127	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
2128	if $self->per_player;	2343	if $self->per_player;
…		…
2131	# if $self->per_party;	2346	# if $self->per_party;
2132		2347
2133	$self	2348	$self
2134	}	2349	}
2135		2350
2136	# find and load all maps in the 3x3 area around a map
2137	sub load_neighbours {
2138	my ($map) = @_;
2139
2140	my @neigh; # diagonal neighbours
2141
2142	for (0 .. 3) {
2143	my $neigh = $map->tile_path ($_)
2144	or next;
2145	$neigh = find $neigh, $map
2146	or next;
2147	$neigh->load;
2148
2149	push @neigh,
2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2152	}
2153
2154	for (grep defined $_->[0], @neigh) {
2155	my ($path, $origin) = @$_;
2156	my $neigh = find $path, $origin
2157	or next;
2158	$neigh->load;
2159	}
2160	}
2161
2162	sub find_sync {	2351	sub find_sync {
2163	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
2164		2353
2165	cf::sync_job { find $path, $origin }	2354	# it's a bug to call this from the main context
		2355	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2356	if $Coro::current == $Coro::main;
		2357
		2358	find $path, $origin
2166	}	2359	}
2167		2360
2168	sub do_load_sync {	2361	sub do_load_sync {
2169	my ($map) = @_;	2362	my ($map) = @_;
2170		2363
		2364	# it's a bug to call this from the main context
2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2172	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
2173		2367
2174	cf::sync_job { $map->load };	2368	$map->load;
2175	}	2369	}
2176		2370
2177	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
2178	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
2179		2373
2180	sub find_async {	2374	sub find_async {
2181	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
2182		2376
2183	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2184		2378
2185	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
2187	}	2381	}
2188		2382
2189	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2190		2384
2191	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
…		…
2205	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2206		2400
2207	()	2401	()
2208	}	2402	}
2209		2403
		2404	# common code, used by both ->save and ->swapout
2210	sub save {	2405	sub _save {
2211	my ($self) = @_;	2406	my ($self) = @_;
2212
2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
2214		2407
2215	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2216		2409
2217	return unless $self->dirty;	2410	return unless $self->dirty;
2218		2411
…		…
2227		2420
2228	cf::async {	2421	cf::async {
2229	$Coro::current->{desc} = "map player save";	2422	$Coro::current->{desc} = "map player save";
2230	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
2231	};	2424	};
		2425
		2426	cf::get_slot 0.02;
2232		2427
2233	if ($uniq) {	2428	if ($uniq) {
2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2235	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2236	} else {	2431	} else {
2237	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2238	}	2433	}
2239	}	2434	}
2240		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2241	sub swap_out {	2444	sub swap_out {
2242	my ($self) = @_;	2445	my ($self) = @_;
2243		2446
2244	# save first because save cedes
2245	$self->save;
2246
2247	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2248		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2249	return if $self->players;	2451	return if $self->players;
2250	return if $self->in_memory != cf::MAP_IN_MEMORY;	2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
		2462	$self->clear;
		2463	}
		2464
		2465	sub reset_at {
		2466	my ($self) = @_;
		2467
		2468	# TODO: safety, remove and allow resettable per-player maps
2251	return if $self->{deny_save};	2469	return 1e99 if $self->{deny_reset};
2252		2470
		2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2472	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2473
		2474	$time + $to
		2475	}
		2476
		2477	sub should_reset {
		2478	my ($self) = @_;
		2479
		2480	$self->reset_at <= $cf::RUNTIME
		2481	}
		2482
		2483	sub reset {
		2484	my ($self) = @_;
		2485
		2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2487
		2488	return if $self->players;
		2489
		2490	cf::trace "resetting map ", $self->path, "\n";
		2491
2253	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
		2493
		2494	# need to save uniques path
		2495	unless ($self->{deny_save}) {
		2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2497
		2498	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2499	if $uniq;
		2500	}
		2501
		2502	delete $cf::MAP{$self->path};
2254		2503
2255	$self->deactivate;	2504	$self->deactivate;
2256	$_->clear_links_to ($self) for values %cf::MAP;	2505	$_->clear_links_to ($self) for values %cf::MAP;
2257	$self->clear;	2506	$self->clear;
2258	}
2259
2260	sub reset_at {
2261	my ($self) = @_;
2262
2263	# TODO: safety, remove and allow resettable per-player maps
2264	return 1e99 if $self->{deny_reset};
2265
2266	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2267	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2268
2269	$time + $to
2270	}
2271
2272	sub should_reset {
2273	my ($self) = @_;
2274
2275	$self->reset_at <= $cf::RUNTIME
2276	}
2277
2278	sub reset {
2279	my ($self) = @_;
2280
2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
2282
2283	return if $self->players;
2284
2285	warn "resetting map ", $self->path;
2286
2287	$self->in_memory (cf::MAP_SWAPPED);
2288
2289	# need to save uniques path
2290	unless ($self->{deny_save}) {
2291	my $uniq = $self->uniq_path; utf8::encode $uniq;
2292
2293	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2294	if $uniq;
2295	}
2296
2297	delete $cf::MAP{$self->path};
2298
2299	$self->deactivate;
2300	$_->clear_links_to ($self) for values %cf::MAP;
2301	$self->clear;
2302		2507
2303	$self->unlink_save;	2508	$self->unlink_save;
2304	$self->destroy;	2509	$self->destroy;
2305	}	2510	}
2306		2511
…		…
2314		2519
2315	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2316		2521
2317	$self->unlink_save;	2522	$self->unlink_save;
2318		2523
2319	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2320	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2321	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2322	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2324		2529
…		…
2373		2578
2374	sub unique_maps() {	2579	sub unique_maps() {
2375	[	2580	[
2376	map {	2581	map {
2377	utf8::decode $_;	2582	utf8::decode $_;
2378	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2379	? normalise $_	2586	: normalise $_
2380	: ()
2381	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2382	]	2588	]
2383	}	2589	}
2384		2590
		2591	=item cf::map::static_maps
		2592
		2593	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2594	file in the shared directory excluding F</styles> and F</editor>). May
		2595	block.
		2596
		2597	=cut
		2598
		2599	sub static_maps() {
		2600	my @dirs = "";
		2601	my @maps;
		2602
		2603	while (@dirs) {
		2604	my $dir = shift @dirs;
		2605
		2606	next if $dir eq "/styles" || $dir eq "/editor";
		2607
		2608	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2609	or return;
		2610
		2611	for (@$files) {
		2612	s/\.map$// or next;
		2613	utf8::decode $_;
		2614	push @maps, "$dir/$_";
		2615	}
		2616
		2617	push @dirs, map "$dir/$_", @$dirs;
		2618	}
		2619
		2620	\@maps
		2621	}
		2622
2385	=back	2623	=back
2386		2624
2387	=head3 cf::object	2625	=head3 cf::object
2388		2626
2389	=cut	2627	=cut
…		…
2392		2630
2393	=over 4	2631	=over 4
2394		2632
2395	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2396		2634
2397	Returns the inventory of the object _and_ their inventories, recursively.	2635	Returns the inventory of the object I<and> their inventories, recursively,
		2636	but I<not> the object itself.
2398		2637
2399	=cut	2638	=cut
2400		2639
2401	sub inv_recursive_;	2640	sub inv_recursive_;
2402	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2407	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2408	}	2647	}
2409		2648
2410	=item $ref = $ob->ref	2649	=item $ref = $ob->ref
2411		2650
2412	creates and returns a persistent reference to an objetc that can be stored as a string.	2651	Creates and returns a persistent reference to an object that can be stored as a string.
2413		2652
2414	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2415		2654
2416	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
2417	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2418		2657
2419	=cut	2658	=cut
2420		2659
2421	sub deref {	2660	sub deref {
…		…
2449	can be C<undef>. Does the right thing when the player is currently in a	2688	can be C<undef>. Does the right thing when the player is currently in a
2450	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2451		2690
2452	=cut	2691	=cut
2453		2692
		2693	our $SAY_CHANNEL = {
		2694	id => "say",
		2695	title => "Map",
		2696	reply => "say ",
		2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2698	};
		2699
		2700	our $CHAT_CHANNEL = {
		2701	id => "chat",
		2702	title => "Chat",
		2703	reply => "chat ",
		2704	tooltip => "Player chat and shouts, global to the server.",
		2705	};
		2706
2454	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2455	# with dialog boxes.	2708	# with dialog boxes.
2456	#TODO: the first argument must go, split into a $npc->reply_to ( method	2709	#TODO: the first argument must go, split into a $npc->reply_to ( method
2457	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
2458	my ($self, $npc, $msg, $flags) = @_;	2711	my ($self, $npc, $msg, $flags) = @_;
…		…
2469	my $dialog = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2470	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2471		2724
2472	} else {	2725	} else {
2473	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2474	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2475	}	2728	}
2476	}	2729	}
2477	}	2730	}
2478		2731
2479	=item $object->send_msg ($channel, $msg, $color, [extra...])	2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2504		2757
2505	=item $player_object->enter_link	2758	=item $player_object->enter_link
2506		2759
2507	Freezes the player and moves him/her to a special map (C<{link}>).	2760	Freezes the player and moves him/her to a special map (C<{link}>).
2508		2761
2509	The player should be reasonably safe there for short amounts of time. You	2762	The player should be reasonably safe there for short amounts of time (e.g.
2510	I<MUST> call C<leave_link> as soon as possible, though.	2763	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2764	though, as the player cannot control the character while it is on the link
		2765	map.
2511		2766
2512	Will never block.	2767	Will never block.
2513		2768
2514	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2515		2770
…		…
2535	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2536	my ($self) = @_;	2791	my ($self) = @_;
2537		2792
2538	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2539		2794
		2795	++$self->{_link_recursion};
		2796
2540	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2541		2798
2542	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2543	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2544		2801
2545	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2546	}	2803	}
2547		2804
2548	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2549	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2550		2807
…		…
2567	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2568	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2569		2826
2570	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2571	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2572	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2573		2830
2574	$map->load;	2831	$map->load;
2575	$map->load_neighbours;
2576		2832
2577	return unless $self->contr->active;	2833	return unless $self->contr->active;
2578	$self->activate_recursive;
2579		2834
2580	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2581	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2582	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2583		2842
		2843	}
		2844
2584	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2585		2846
2586	Moves the player to the given map-path and coordinates by first freezing	2847	Moves the player to the given map-path and coordinates by first freezing
2587	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2588	that has to return the map if sucecssful, and then unfreezes the player on	2849	that has to return the map if sucecssful, and then unfreezes the player on
2589	the new (success) or old (failed) map position. In either case, $done will	2850	the new (success) or old (failed) map position. In either case, $done will
2590	be called at the end of this process.	2851	be called at the end of this process.
2591		2852
		2853	Note that $check will be called with a potentially non-loaded map, so if
		2854	it needs a loaded map it has to call C<< ->load >>.
		2855
2592	=cut	2856	=cut
2593		2857
2594	our $GOTOGEN;	2858	our $GOTOGEN;
2595		2859
2596	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2597	my ($self, $path, $x, $y, $check, $done) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
2598		2868
2599	# do generation counting so two concurrent goto's will be executed in-order	2869	# do generation counting so two concurrent goto's will be executed in-order
2600	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2601		2871
2602	$self->enter_link;	2872	$self->enter_link;
…		…
2622	($path, $x, $y) = (undef, undef, undef);	2892	($path, $x, $y) = (undef, undef, undef);
2623	}	2893	}
2624	}	2894	}
2625		2895
2626	my $map = eval {	2896	my $map = eval {
2627	my $map = defined $path ? cf::map::find $path : undef;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2628		2898
2629	if ($map) {	2899	if ($map) {
2630	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2631	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2632	} else {	2902	} else {
2633	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2634	}	2904	}
2635		2905
2636	$map	2906	$map
…		…
2644	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2645	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2646	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2647	}	2917	}
2648		2918
2649	$done->() if $done;	2919	$done->($self) if $done;
2650	})->prio (1);	2920	})->prio (1);
2651	}	2921	}
2652		2922
2653	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2654		2924
…		…
2674	}	2944	}
2675		2945
2676	sub prepare_random_map {	2946	sub prepare_random_map {
2677	my ($exit) = @_;	2947	my ($exit) = @_;
2678		2948
2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
2680
2681	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
2682	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
2683	# that depends on the exit object	2951	# that depends on the exit object
2684		2952
2685	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2687	if ($exit->map) {	2955	if ($exit->map) {
2688	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2689	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2690	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2691	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2692	}	2962	}
2693		2963
2694	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2695		2965
2696	my $data = cf::encode_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2697	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
2698	my $meta = "$RANDOMDIR/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
2699		2969
2700	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2701	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2702	undef $fh;	2972	undef $fh;
2703	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2704		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2705	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2706	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2707	}	2981	}
2708	}	2982	}
2709		2983
2710	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2711	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2712		2986
2713	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2714		2988
2715	if ($exit->slaying eq "/!") {
2716	#TODO: this should de-fi-ni-te-ly not be a sync-job
2717	# the problem is that $exit might not survive long enough
2718	# so it needs to be done right now, right here
2719	cf::sync_job { prepare_random_map $exit };
2720	}
2721
2722	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2723	my $hp = $exit->stats->hp;
2724	my $sp = $exit->stats->sp;
2725
2726	$self->enter_link;	2989	$self->enter_link;
2727		2990
2728	# if exit is damned, update players death & WoR home-position
2729	$self->contr->savebed ($slaying, $hp, $sp)
2730	if $exit->flag (FLAG_DAMNED);
2731
2732	(async {	2991	(async {
2733	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2992	$Coro::current->{desc} = "enter_exit";
2734		2993
2735	$self->deactivate_recursive; # just to be sure
2736	unless (eval {	2994	unless (eval {
		2995	$self->deactivate_recursive; # just to be sure
		2996
		2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2998	my $x = $exit->stats->hp;
		2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
		3023
2737	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2738		3025
		3026	# if exit is damned, update players death & WoR home-position
		3027	$self->contr->savebed ($map, $x, $y)
		3028	if $exit->flag (cf::FLAG_DAMNED);
		3029
2739	1;	3030	1
2740	}) {	3031	}) {
2741	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2742	. "I'll try to bring you back to the map you were before. "	3033	. "I'll try to bring you back to the map you were before. "
2743	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2744	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2745		3036
2746	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2747	$self->leave_link;	3038	$self->leave_link;
2748	}	3039	}
2749	})->prio (1);	3040	})->prio (1);
2750	}	3041	}
2751		3042
…		…
2763	sub cf::client::send_drawinfo {	3054	sub cf::client::send_drawinfo {
2764	my ($self, $text, $flags) = @_;	3055	my ($self, $text, $flags) = @_;
2765		3056
2766	utf8::encode $text;	3057	utf8::encode $text;
2767	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3058	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3059	}
		3060
		3061	=item $client->send_big_packet ($pkt)
		3062
		3063	Like C<send_packet>, but tries to compress large packets, and fragments
		3064	them as required.
		3065
		3066	=cut
		3067
		3068	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3069
		3070	sub cf::client::send_big_packet {
		3071	my ($self, $pkt) = @_;
		3072
		3073	# try lzf for large packets
		3074	$pkt = "lzf " . Compress::LZF::compress $pkt
		3075	if 1024 <= length $pkt and $self->{can_lzf};
		3076
		3077	# split very large packets
		3078	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3079	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3080	$pkt = "frag";
		3081	}
		3082
		3083	$self->send_packet ($pkt);
2768	}	3084	}
2769		3085
2770	=item $client->send_msg ($channel, $msg, $color, [extra...])	3086	=item $client->send_msg ($channel, $msg, $color, [extra...])
2771		3087
2772	Send a drawinfo or msg packet to the client, formatting the msg for the	3088	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2776		3092
2777	=cut	3093	=cut
2778		3094
2779	# non-persistent channels (usually the info channel)	3095	# non-persistent channels (usually the info channel)
2780	our %CHANNEL = (	3096	our %CHANNEL = (
		3097	"c/motd" => {
		3098	id => "infobox",
		3099	title => "MOTD",
		3100	reply => undef,
		3101	tooltip => "The message of the day",
		3102	},
2781	"c/identify" => {	3103	"c/identify" => {
2782	id => "infobox",	3104	id => "infobox",
2783	title => "Identify",	3105	title => "Identify",
2784	reply => undef,	3106	reply => undef,
2785	tooltip => "Items recently identified",	3107	tooltip => "Items recently identified",
…		…
2787	"c/examine" => {	3109	"c/examine" => {
2788	id => "infobox",	3110	id => "infobox",
2789	title => "Examine",	3111	title => "Examine",
2790	reply => undef,	3112	reply => undef,
2791	tooltip => "Signs and other items you examined",	3113	tooltip => "Signs and other items you examined",
		3114	},
		3115	"c/shopinfo" => {
		3116	id => "infobox",
		3117	title => "Shop Info",
		3118	reply => undef,
		3119	tooltip => "What your bargaining skill tells you about the shop",
2792	},	3120	},
2793	"c/book" => {	3121	"c/book" => {
2794	id => "infobox",	3122	id => "infobox",
2795	title => "Book",	3123	title => "Book",
2796	reply => undef,	3124	reply => undef,
…		…
2812	id => "infobox",	3140	id => "infobox",
2813	title => "Body Parts",	3141	title => "Body Parts",
2814	reply => undef,	3142	reply => undef,
2815	tooltip => "Shows which body parts you posess and are available",	3143	tooltip => "Shows which body parts you posess and are available",
2816	},	3144	},
		3145	"c/statistics" => {
		3146	id => "infobox",
		3147	title => "Statistics",
		3148	reply => undef,
		3149	tooltip => "Shows your primary statistics",
		3150	},
		3151	"c/skills" => {
		3152	id => "infobox",
		3153	title => "Skills",
		3154	reply => undef,
		3155	tooltip => "Shows your experience per skill and item power",
		3156	},
		3157	"c/shopitems" => {
		3158	id => "infobox",
		3159	title => "Shop Items",
		3160	reply => undef,
		3161	tooltip => "Shows the items currently for sale in this shop",
		3162	},
		3163	"c/resistances" => {
		3164	id => "infobox",
		3165	title => "Resistances",
		3166	reply => undef,
		3167	tooltip => "Shows your resistances",
		3168	},
		3169	"c/pets" => {
		3170	id => "infobox",
		3171	title => "Pets",
		3172	reply => undef,
		3173	tooltip => "Shows information abotu your pets/a specific pet",
		3174	},
		3175	"c/perceiveself" => {
		3176	id => "infobox",
		3177	title => "Perceive Self",
		3178	reply => undef,
		3179	tooltip => "You gained detailed knowledge about yourself",
		3180	},
2817	"c/uptime" => {	3181	"c/uptime" => {
2818	id => "infobox",	3182	id => "infobox",
2819	title => "Uptime",	3183	title => "Uptime",
2820	reply => undef,	3184	reply => undef,
2821	tooltip => "How long the server has been running since last restart",	3185	tooltip => "How long the server has been running since last restart",
…		…
2824	id => "infobox",	3188	id => "infobox",
2825	title => "Map Info",	3189	title => "Map Info",
2826	reply => undef,	3190	reply => undef,
2827	tooltip => "Information related to the maps",	3191	tooltip => "Information related to the maps",
2828	},	3192	},
		3193	"c/party" => {
		3194	id => "party",
		3195	title => "Party",
		3196	reply => "gsay ",
		3197	tooltip => "Messages and chat related to your party",
		3198	},
		3199	"c/death" => {
		3200	id => "death",
		3201	title => "Death",
		3202	reply => undef,
		3203	tooltip => "Reason for and more info about your most recent death",
		3204	},
		3205	"c/fatal" => {
		3206	id => "fatal",
		3207	title => "Fatal Error",
		3208	reply => undef,
		3209	tooltip => "Reason for the server disconnect",
		3210	},
		3211	"c/say" => $SAY_CHANNEL,
		3212	"c/chat" => $CHAT_CHANNEL,
2829	);	3213	);
2830		3214
2831	sub cf::client::send_msg {	3215	sub cf::client::send_msg {
2832	my ($self, $channel, $msg, $color, @extra) = @_;	3216	my ($self, $channel, $msg, $color, @extra) = @_;
2833		3217
2834	$msg = $self->pl->expand_cfpod ($msg);	3218	$msg = $self->pl->expand_cfpod ($msg)
		3219	unless $color & cf::NDI_VERBATIM;
2835		3220
2836	$color &= cf::NDI_CLIENT_MASK; # just in case...	3221	$color &= cf::NDI_CLIENT_MASK; # just in case...
2837		3222
2838	# check predefined channels, for the benefit of C	3223	# check predefined channels, for the benefit of C
2839	if ($CHANNEL{$channel}) {	3224	if ($CHANNEL{$channel}) {
2840	$channel = $CHANNEL{$channel};	3225	$channel = $CHANNEL{$channel};
2841		3226
2842	$self->ext_msg (channel_info => $channel)	3227	$self->ext_msg (channel_info => $channel);
2843	if $self->can_msg;
2844
2845	$channel = $channel->{id};	3228	$channel = $channel->{id};
2846		3229
2847	} elsif (ref $channel) {	3230	} elsif (ref $channel) {
2848	# send meta info to client, if not yet sent	3231	# send meta info to client, if not yet sent
2849	unless (exists $self->{channel}{$channel->{id}}) {	3232	unless (exists $self->{channel}{$channel->{id}}) {
2850	$self->{channel}{$channel->{id}} = $channel;	3233	$self->{channel}{$channel->{id}} = $channel;
2851	$self->ext_msg (channel_info => $channel)	3234	$self->ext_msg (channel_info => $channel);
2852	if $self->can_msg;
2853	}	3235	}
2854		3236
2855	$channel = $channel->{id};	3237	$channel = $channel->{id};
2856	}	3238	}
2857		3239
2858	return unless @extra || length $msg;	3240	return unless @extra || length $msg;
2859		3241
2860	if ($self->can_msg) {
2861	# default colour, mask it out	3242	# default colour, mask it out
2862	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3243	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2863	if $color & cf::NDI_DEF;	3244	if $color & cf::NDI_DEF;
2864		3245
2865	$self->send_packet ("msg " . $self->{json_coder}->encode (	3246	my $pkt = "msg "
		3247	. $self->{json_coder}->encode (
2866	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3248	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2867	} else {	3249	);
2868	if ($color >= 0) {
2869	# replace some tags by gcfclient-compatible ones
2870	for ($msg) {
2871	1 while
2872	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2873	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2874	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2875	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2876	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2877	}
2878		3250
2879	$color &= cf::NDI_COLOR_MASK;	3251	$self->send_big_packet ($pkt);
2880
2881	utf8::encode $msg;
2882
2883	if (0 && $msg =~ /\[/) {
2884	# COMMAND/INFO
2885	$self->send_packet ("drawextinfo $color 10 8 $msg")
2886	} else {
2887	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2888	$self->send_packet ("drawinfo $color $msg")
2889	}
2890	}
2891	}
2892	}	3252	}
2893		3253
2894	=item $client->ext_msg ($type, @msg)	3254	=item $client->ext_msg ($type, @msg)
2895		3255
2896	Sends an ext event to the client.	3256	Sends an ext event to the client.
…		…
2898	=cut	3258	=cut
2899		3259
2900	sub cf::client::ext_msg($$@) {	3260	sub cf::client::ext_msg($$@) {
2901	my ($self, $type, @msg) = @_;	3261	my ($self, $type, @msg) = @_;
2902		3262
2903	if ($self->extcmd == 2) {
2904	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3263	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2905	} elsif ($self->extcmd == 1) { # TODO: remove
2906	push @msg, msgtype => "event_$type";
2907	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2908	}
2909	}
2910
2911	=item $client->ext_reply ($msgid, @msg)
2912
2913	Sends an ext reply to the client.
2914
2915	=cut
2916
2917	sub cf::client::ext_reply($$@) {
2918	my ($self, $id, @msg) = @_;
2919
2920	if ($self->extcmd == 2) {
2921	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2922	} elsif ($self->extcmd == 1) {
2923	#TODO: version 1, remove
2924	unshift @msg, msgtype => "reply", msgid => $id;
2925	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2926	}
2927	}	3264	}
2928		3265
2929	=item $success = $client->query ($flags, "text", \&cb)	3266	=item $success = $client->query ($flags, "text", \&cb)
2930		3267
2931	Queues a query to the client, calling the given callback with	3268	Queues a query to the client, calling the given callback with
…		…
2986	my ($ns, $buf) = @_;	3323	my ($ns, $buf) = @_;
2987		3324
2988	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3325	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2989		3326
2990	if (ref $msg) {	3327	if (ref $msg) {
2991	my ($type, $reply, @payload) =	3328	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2992	"ARRAY" eq ref $msg
2993	? @$msg
2994	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2995		3329
2996	my @reply;
2997
2998	if (my $cb = $EXTICMD{$type}) {	3330	if (my $cb = $EXTIACMD{$type}) {
		3331	$cb->(
		3332	$ns,
		3333	sub {
		3334	$ns->ext_msg ("reply-$reply", @_)
		3335	if $reply;
		3336	},
		3337	@payload
		3338	);
		3339	} else {
		3340	my @reply;
		3341
		3342	if (my $cb = $EXTICMD{$type}) {
2999	@reply = $cb->($ns, @payload);	3343	@reply = $cb->($ns, @payload);
		3344	}
		3345
		3346	$ns->ext_msg ("reply-$reply", @reply)
		3347	if $reply;
3000	}	3348	}
3001
3002	$ns->ext_reply ($reply, @reply)
3003	if $reply;
3004
3005	} else {	3349	} else {
3006	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3350	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3007	}	3351	}
3008		3352
3009	cf::override;	3353	cf::override;
3010	},	3354	},
3011	);	3355	);
…		…
3031		3375
3032	$coro	3376	$coro
3033	}	3377	}
3034		3378
3035	cf::client->attach (	3379	cf::client->attach (
3036	on_destroy => sub {	3380	on_client_destroy => sub {
3037	my ($ns) = @_;	3381	my ($ns) = @_;
3038		3382
3039	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3383	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3040	},	3384	},
3041	);	3385	);
…		…
3057	our $safe_hole = new Safe::Hole;	3401	our $safe_hole = new Safe::Hole;
3058		3402
3059	$SIG{FPE} = 'IGNORE';	3403	$SIG{FPE} = 'IGNORE';
3060		3404
3061	$safe->permit_only (Opcode::opset qw(	3405	$safe->permit_only (Opcode::opset qw(
3062	:base_core :base_mem :base_orig :base_math	3406	:base_core :base_mem :base_orig :base_math :base_loop
3063	grepstart grepwhile mapstart mapwhile	3407	grepstart grepwhile mapstart mapwhile
3064	sort time	3408	sort time
3065	));	3409	));
3066		3410
3067	# here we export the classes and methods available to script code	3411	# here we export the classes and methods available to script code
…		…
3070		3414
3071	The following functions and methods are available within a safe environment:	3415	The following functions and methods are available within a safe environment:
3072		3416
3073	cf::object	3417	cf::object
3074	contr pay_amount pay_player map x y force_find force_add destroy	3418	contr pay_amount pay_player map x y force_find force_add destroy
3075	insert remove name archname title slaying race decrease_ob_nr	3419	insert remove name archname title slaying race decrease split
		3420	value
3076		3421
3077	cf::object::player	3422	cf::object::player
3078	player	3423	player
3079		3424
3080	cf::player	3425	cf::player
…		…
3085		3430
3086	=cut	3431	=cut
3087		3432
3088	for (	3433	for (
3089	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3434	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3090	insert remove inv name archname title slaying race	3435	insert remove inv nrof name archname title slaying race
3091	decrease_ob_nr destroy)],	3436	decrease split destroy change_exp value msg lore send_msg)],
3092	["cf::object::player" => qw(player)],	3437	["cf::object::player" => qw(player)],
3093	["cf::player" => qw(peaceful)],	3438	["cf::player" => qw(peaceful send_msg)],
3094	["cf::map" => qw(trigger)],	3439	["cf::map" => qw(trigger)],
3095	) {	3440	) {
3096	no strict 'refs';
3097	my ($pkg, @funs) = @$_;	3441	my ($pkg, @funs) = @$_;
3098	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3442	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3099	for @funs;	3443	for @funs;
3100	}	3444	}
3101		3445
…		…
3116		3460
3117	my $qcode = $code;	3461	my $qcode = $code;
3118	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3462	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3119	$qcode =~ s/\n/\\n/g;	3463	$qcode =~ s/\n/\\n/g;
3120		3464
		3465	%vars = (_dummy => 0) unless %vars;
		3466
		3467	my @res;
3121	local $_;	3468	local $_;
3122	local @safe::cf::_safe_eval_args = values %vars;
3123		3469
3124	my $eval =	3470	my $eval =
3125	"do {\n"	3471	"do {\n"
3126	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3472	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3127	. "#line 0 \"{$qcode}\"\n"	3473	. "#line 0 \"{$qcode}\"\n"
3128	. $code	3474	. $code
3129	. "\n}"	3475	. "\n}"
3130	;	3476	;
3131		3477
		3478	if ($CFG{safe_eval}) {
3132	sub_generation_inc;	3479	sub_generation_inc;
		3480	local @safe::cf::_safe_eval_args = values %vars;
3133	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3481	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3134	sub_generation_inc;	3482	sub_generation_inc;
		3483	} else {
		3484	local @cf::_safe_eval_args = values %vars;
		3485	@res = wantarray ? eval eval : scalar eval $eval;
		3486	}
3135		3487
3136	if ($@) {	3488	if ($@) {
3137	warn "$@";	3489	warn "$@",
3138	warn "while executing safe code '$code'\n";	3490	"while executing safe code '$code'\n",
3139	warn "with arguments " . (join " ", %vars) . "\n";	3491	"with arguments " . (join " ", %vars) . "\n";
3140	}	3492	}
3141		3493
3142	wantarray ? @res : $res[0]	3494	wantarray ? @res : $res[0]
3143	}	3495	}
3144		3496
…		…
3158	=cut	3510	=cut
3159		3511
3160	sub register_script_function {	3512	sub register_script_function {
3161	my ($fun, $cb) = @_;	3513	my ($fun, $cb) = @_;
3162		3514
3163	no strict 'refs';	3515	$fun = "safe::$fun" if $CFG{safe_eval};
3164	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3516	*$fun = $safe_hole->wrap ($cb);
3165	}	3517	}
3166		3518
3167	=back	3519	=back
3168		3520
3169	=cut	3521	=cut
3170		3522
3171	#############################################################################	3523	#############################################################################
3172	# the server's init and main functions	3524	# the server's init and main functions
3173		3525
		3526	{
		3527	package cf::face;
		3528
		3529	our %HASH; # hash => idx
		3530	our @DATA; # dynamically-created facedata, only faceste 0 used
		3531	our @FOFS; # file offset, if > 0
		3532	our @SIZE; # size of face, in octets
		3533	our @META; # meta hash of face, if any
		3534	our $DATAFH; # facedata filehandle
		3535
		3536	# internal api, not finalised
		3537	sub set {
		3538	my ($name, $type, $data) = @_;
		3539
		3540	my $idx = cf::face::find $name;
		3541
		3542	if ($idx) {
		3543	delete $HASH{cf::face::get_chksum $idx};
		3544	} else {
		3545	$idx = cf::face::alloc $name;
		3546	}
		3547
		3548	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3549
		3550	cf::face::set_type $idx, $type;
		3551	cf::face::set_csum $idx, 0, $hash;
		3552
		3553	# we need to destroy the SV itself, not just modify it, as a running ix
		3554	# might hold a reference to it: "delete" achieves that.
		3555	delete $FOFS[0][$idx];
		3556	delete $DATA[0][$idx];
		3557	$DATA[0][$idx] = $data;
		3558	$SIZE[0][$idx] = length $data;
		3559	delete $META[$idx];
		3560	$HASH{$hash} = $idx;#d#
		3561
		3562	$idx
		3563	}
		3564
		3565	sub _get_data($$$) {
		3566	my ($idx, $set, $cb) = @_;
		3567
		3568	if (defined $DATA[$set][$idx]) {
		3569	$cb->($DATA[$set][$idx]);
		3570	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3571	my $size = $SIZE[$set][$idx];
		3572	my $buf;
		3573	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3574	if ($_[0] == $size) {
		3575	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3576	$cb->($buf);
		3577	} else {
		3578	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3579	}
		3580	};
		3581	} else {
		3582	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3583	}
		3584	}
		3585
		3586	# rather ineffient
		3587	sub cf::face::get_data($;$) {
		3588	my ($idx, $set) = @_;
		3589
		3590	_get_data $idx, $set, Coro::rouse_cb;
		3591	Coro::rouse_wait
		3592	}
		3593
		3594	sub cf::face::ix {
		3595	my ($ns, $set, $idx, $pri) = @_;
		3596
		3597	_get_data $idx, $set, sub {
		3598	$ns->ix_send ($idx, $pri, $_[0]);
		3599	};
		3600	}
		3601	}
		3602
3174	sub load_facedata($) {	3603	sub load_facedata($) {
3175	my ($path) = @_;	3604	my ($path) = @_;
3176		3605
3177	# HACK to clear player env face cache, we need some signal framework
3178	# for this (global event?)
3179	%ext::player_env::MUSIC_FACE_CACHE = ();
3180
3181	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3606	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3182		3607
3183	warn "loading facedata from $path\n";	3608	trace "loading facedata from $path\n";
3184		3609
3185	my $facedata;	3610	my $facedata = decode_storable load_file "$path/faceinfo";
3186	0 < aio_load $path, $facedata
3187	or die "$path: $!";
3188
3189	$facedata = Coro::Storable::thaw $facedata;
3190		3611
3191	$facedata->{version} == 2	3612	$facedata->{version} == 2
3192	or cf::cleanup "$path: version mismatch, cannot proceed.";	3613	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3193		3614
3194	# patch in the exptable	3615	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3195	$facedata->{resource}{"res/exp_table"} = {	3616	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3196	type => FT_RSRC,	3617
3197	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3618	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3198	};	3619
3199	cf::cede_to_tick;	3620	# BEGIN ATOMIC
		3621	# from here on, everything must be atomic - no thread switch allowed
		3622	my $t1 = EV::time;
3200		3623
3201	{	3624	{
3202	my $faces = $facedata->{faceinfo};	3625	my $faces = $facedata->{faceinfo};
3203		3626
3204	while (my ($face, $info) = each %$faces) {	3627	for my $face (sort keys %$faces) {
		3628	my $info = $faces->{$face};
3205	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3629	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3206		3630
3207	cf::face::set_visibility $idx, $info->{visibility};	3631	cf::face::set_visibility $idx, $info->{visibility};
3208	cf::face::set_magicmap $idx, $info->{magicmap};	3632	cf::face::set_magicmap $idx, $info->{magicmap};
3209	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3633	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3210	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3634	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3211		3635	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3212	cf::cede_to_tick;	3636	$cf::face::HASH{$info->{hash64}} = $idx;
		3637	delete $cf::face::META[$idx];
3213	}	3638	}
3214		3639
3215	while (my ($face, $info) = each %$faces) {	3640	while (my ($face, $info) = each %$faces) {
3216	next unless $info->{smooth};	3641	next unless $info->{smooth};
3217		3642
…		…
3220		3645
3221	if (my $smooth = cf::face::find $info->{smooth}) {	3646	if (my $smooth = cf::face::find $info->{smooth}) {
3222	cf::face::set_smooth $idx, $smooth;	3647	cf::face::set_smooth $idx, $smooth;
3223	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3648	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3224	} else {	3649	} else {
3225	warn "smooth face '$info->{smooth}' not found for face '$face'";	3650	error "smooth face '$info->{smooth}' not found for face '$face'";
3226	}	3651	}
3227
3228	cf::cede_to_tick;
3229	}	3652	}
3230	}	3653	}
3231		3654
3232	{	3655	{
3233	my $anims = $facedata->{animinfo};	3656	my $anims = $facedata->{animinfo};
3234		3657
3235	while (my ($anim, $info) = each %$anims) {	3658	while (my ($anim, $info) = each %$anims) {
3236	cf::anim::set $anim, $info->{frames}, $info->{facings};	3659	cf::anim::set $anim, $info->{frames}, $info->{facings};
3237	cf::cede_to_tick;
3238	}	3660	}
3239		3661
3240	cf::anim::invalidate_all; # d'oh	3662	cf::anim::invalidate_all; # d'oh
3241	}	3663	}
3242		3664
3243	{	3665	{
3244	# TODO: for gcfclient pleasure, we should give resources
3245	# that gcfclient doesn't grok a >10000 face index.
3246	my $res = $facedata->{resource};	3666	my $res = $facedata->{resource};
3247		3667
3248	while (my ($name, $info) = each %$res) {	3668	while (my ($name, $info) = each %$res) {
3249	if (defined $info->{type}) {	3669	if (defined (my $type = $info->{type})) {
		3670	# TODO: different hash - must free and use new index, or cache ixface data queue
3250	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3671	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3251	my $data;
3252		3672
3253	if ($info->{type} & 1) {
3254	# prepend meta info
3255
3256	my $meta = $enc->encode ({
3257	name => $name,
3258	%{ $info->{meta} || {} },
3259	});
3260
3261	$data = pack "(w/a*)*", $meta, $info->{data};
3262	} else {
3263	$data = $info->{data};
3264	}
3265
3266	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3267	cf::face::set_type $idx, $info->{type};	3673	cf::face::set_type $idx, $type;
		3674	cf::face::set_csum $idx, 0, $info->{hash};
		3675	$cf::face::SIZE[0][$idx] = $info->{size};
		3676	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3677	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3678	$cf::face::HASH{$info->{hash}} = $idx;
3268	} else {	3679	} else {
3269	$RESOURCE{$name} = $info;	3680	# $RESOURCE{$name} = $info; # unused
3270	}	3681	}
3271
3272	cf::cede_to_tick;
3273	}	3682	}
3274	}	3683	}
		3684
		3685	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3686
		3687	# HACK to clear player env face cache, we need some signal framework
		3688	# for this (global event?)
		3689	%ext::player_env::MUSIC_FACE_CACHE = ();
		3690
		3691	# END ATOMIC
		3692
		3693	cf::debug "facedata atomic update time ", EV::time - $t1;
3275		3694
3276	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3695	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3277		3696
		3697	aio_close $fh if $fh; # close old facedata
		3698
3278	1	3699	1
3279	}	3700	}
3280
3281	cf::global->attach (on_resource_update => sub {
3282	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3283	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3284
3285	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3286	my $sound = $soundconf->{compat}[$_]
3287	or next;
3288
3289	my $face = cf::face::find "sound/$sound->[1]";
3290	cf::sound::set $sound->[0] => $face;
3291	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3292	}
3293
3294	while (my ($k, $v) = each %{$soundconf->{event}}) {
3295	my $face = cf::face::find "sound/$v";
3296	cf::sound::set $k => $face;
3297	}
3298	}
3299	});
3300		3701
3301	register_exticmd fx_want => sub {	3702	register_exticmd fx_want => sub {
3302	my ($ns, $want) = @_;	3703	my ($ns, $want) = @_;
3303		3704
3304	while (my ($k, $v) = each %$want) {	3705	while (my ($k, $v) = each %$want) {
3305	$ns->fx_want ($k, $v);	3706	$ns->fx_want ($k, $v);
3306	}	3707	}
3307	};	3708	};
		3709
		3710	sub load_resource_file($) {
		3711	my $guard = lock_acquire "load_resource_file";
		3712
		3713	my $status = load_resource_file_ $_[0];
		3714	get_slot 0.1, 100;
		3715	cf::arch::commit_load;
		3716
		3717	$status
		3718	}
		3719
		3720	sub reload_exp_table {
		3721	_reload_exp_table;
		3722
		3723	cf::face::set
		3724	"res/exp_table" => FT_RSRC,
		3725	JSON::XS->new->utf8->canonical->encode (
		3726	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3727	);
		3728	}
		3729
		3730	sub reload_materials {
		3731	_reload_materials;
		3732	}
3308		3733
3309	sub reload_regions {	3734	sub reload_regions {
3310	# HACK to clear player env face cache, we need some signal framework	3735	# HACK to clear player env face cache, we need some signal framework
3311	# for this (global event?)	3736	# for this (global event?)
3312	%ext::player_env::MUSIC_FACE_CACHE = ();	3737	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3319	if exists $_->{match};	3744	if exists $_->{match};
3320	}	3745	}
3321	}	3746	}
3322		3747
3323	sub reload_facedata {	3748	sub reload_facedata {
3324	load_facedata "$DATADIR/facedata"	3749	load_facedata $DATADIR
3325	or die "unable to load facedata\n";	3750	or die "unable to load facedata\n";
3326	}	3751	}
3327		3752
3328	sub reload_archetypes {	3753	sub reload_archetypes {
3329	load_resource_file "$DATADIR/archetypes"	3754	load_resource_file "$DATADIR/archetypes"
3330	or die "unable to load archetypes\n";	3755	or die "unable to load archetypes\n";
3331	#d# NEED to laod twice to resolve forward references	3756
3332	# this really needs to be done in an extra post-pass	3757	cf::face::set
3333	# (which needs to be synchronous, so solve it differently)	3758	"res/skill_info" => FT_RSRC,
3334	load_resource_file "$DATADIR/archetypes"	3759	JSON::XS->new->utf8->canonical->encode (
3335	or die "unable to load archetypes\n";	3760	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3761	);
		3762
		3763	cf::face::set
		3764	"res/spell_paths" => FT_RSRC,
		3765	JSON::XS->new->utf8->canonical->encode (
		3766	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3767	);
3336	}	3768	}
3337		3769
3338	sub reload_treasures {	3770	sub reload_treasures {
3339	load_resource_file "$DATADIR/treasures"	3771	load_resource_file "$DATADIR/treasures"
3340	or die "unable to load treasurelists\n";	3772	or die "unable to load treasurelists\n";
3341	}	3773	}
3342		3774
		3775	sub reload_sound {
		3776	trace "loading sound config from $DATADIR/sound\n";
		3777
		3778	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3779
		3780	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3781	my $sound = $soundconf->{compat}[$_]
		3782	or next;
		3783
		3784	my $face = cf::face::find "sound/$sound->[1]";
		3785	cf::sound::set $sound->[0] => $face;
		3786	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3787	}
		3788
		3789	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3790	my $face = cf::face::find "sound/$v";
		3791	cf::sound::set $k => $face;
		3792	}
		3793	}
		3794
3343	sub reload_resources {	3795	sub reload_resources {
3344	warn "reloading resource files...\n";	3796	trace "reloading resource files...\n";
3345		3797
		3798	reload_materials;
		3799	reload_facedata;
		3800	reload_exp_table;
		3801	reload_sound;
		3802	reload_archetypes;
3346	reload_regions;	3803	reload_regions;
3347	reload_facedata;
3348	#reload_archetypes;#d#
3349	reload_archetypes;
3350	reload_treasures;	3804	reload_treasures;
3351		3805
3352	warn "finished reloading resource files\n";	3806	trace "finished reloading resource files\n";
3353	}
3354
3355	sub init {
3356	reload_resources;
3357	}	3807	}
3358		3808
3359	sub reload_config {	3809	sub reload_config {
3360	open my $fh, "<:utf8", "$CONFDIR/config"	3810	trace "reloading config file...\n";
3361	or return;
3362		3811
3363	local $/;	3812	my $config = load_file "$CONFDIR/config";
3364	*CFG = YAML::Load <$fh>;	3813	utf8::decode $config;
		3814	*CFG = decode_yaml $config;
3365		3815
3366	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3816	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3367		3817
3368	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3818	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3369	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3819	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3370		3820
3371	if (exists $CFG{mlockall}) {	3821	if (exists $CFG{mlockall}) {
…		…
3375	};	3825	};
3376	warn $@ if $@;	3826	warn $@ if $@;
3377	}	3827	}
3378	}	3828	}
3379		3829
		3830	sub pidfile() {
		3831	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3832	or die "$PIDFILE: $!";
		3833	flock $fh, &Fcntl::LOCK_EX
		3834	or die "$PIDFILE: flock: $!";
		3835	$fh
		3836	}
		3837
		3838	# make sure only one server instance is running at any one time
		3839	sub atomic {
		3840	my $fh = pidfile;
		3841
		3842	my $pid = <$fh>;
		3843	kill 9, $pid if $pid > 0;
		3844
		3845	seek $fh, 0, 0;
		3846	print $fh $$;
		3847	}
		3848
		3849	sub main_loop {
		3850	trace "EV::loop starting\n";
		3851	if (1) {
		3852	EV::loop;
		3853	}
		3854	trace "EV::loop returned\n";
		3855	goto &main_loop unless $REALLY_UNLOOP;
		3856	}
		3857
3380	sub main {	3858	sub main {
		3859	cf::init_globals; # initialise logging
		3860
		3861	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3862	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3863	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3864	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3865
		3866	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3867
3381	# we must not ever block the main coroutine	3868	# we must not ever block the main coroutine
3382	local $Coro::idle = sub {	3869	$Coro::idle = sub {
3383	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3870	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3384	(async {	3871	(async {
3385	$Coro::current->{desc} = "IDLE BUG HANDLER";	3872	$Coro::current->{desc} = "IDLE BUG HANDLER";
3386	EV::loop EV::LOOP_ONESHOT;	3873	EV::loop EV::LOOP_ONESHOT;
3387	})->prio (Coro::PRIO_MAX);	3874	})->prio (Coro::PRIO_MAX);
3388	};	3875	};
3389		3876
3390	reload_config;
3391	db_init;
3392	load_extensions;
3393
3394	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3395	evthread_start IO::AIO::poll_fileno;	3877	evthread_start IO::AIO::poll_fileno;
3396	EV::loop;	3878
		3879	cf::sync_job {
		3880	cf::incloader::init ();
		3881
		3882	db_init;
		3883
		3884	cf::init_anim;
		3885	cf::init_attackmess;
		3886	cf::init_dynamic;
		3887
		3888	cf::load_settings;
		3889
		3890	reload_resources;
		3891	reload_config;
		3892
		3893	cf::init_uuid;
		3894	cf::init_signals;
		3895	cf::init_skills;
		3896
		3897	cf::init_beforeplay;
		3898
		3899	atomic;
		3900
		3901	load_extensions;
		3902
		3903	utime time, time, $RUNTIMEFILE;
		3904
		3905	# no (long-running) fork's whatsoever before this point(!)
		3906	use POSIX ();
		3907	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3908
		3909	cf::_post_init 0;
		3910	};
		3911
		3912	cf::object::thawer::errors_are_fatal 0;
		3913	info "parse errors in files are no longer fatal from this point on.\n";
		3914
		3915	AE::postpone {
		3916	undef &main; # free gobs of memory :)
		3917	};
		3918
		3919	goto &main_loop;
3397	}	3920	}
3398		3921
3399	#############################################################################	3922	#############################################################################
3400	# initialisation and cleanup	3923	# initialisation and cleanup
3401		3924
3402	# install some emergency cleanup handlers	3925	# install some emergency cleanup handlers
3403	BEGIN {	3926	BEGIN {
3404	our %SIGWATCHER = ();	3927	our %SIGWATCHER = ();
3405	for my $signal (qw(INT HUP TERM)) {	3928	for my $signal (qw(INT HUP TERM)) {
3406	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3929	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3407	cf::cleanup "SIG$signal";	3930	cf::cleanup "SIG$signal";
3408	};	3931	};
3409	}	3932	}
3410	}	3933	}
3411		3934
3412	sub write_runtime_sync {	3935	sub write_runtime_sync {
3413	my $runtime = "$LOCALDIR/runtime";	3936	my $t0 = AE::time;
3414		3937
3415	# first touch the runtime file to show we are still running:	3938	# first touch the runtime file to show we are still running:
3416	# the fsync below can take a very very long time.	3939	# the fsync below can take a very very long time.
3417		3940
3418	IO::AIO::aio_utime $runtime, undef, undef;	3941	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3419		3942
3420	my $guard = cf::lock_acquire "write_runtime";	3943	my $guard = cf::lock_acquire "write_runtime";
3421		3944
3422	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3945	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3423	or return;	3946	or return;
3424		3947
3425	my $value = $cf::RUNTIME + 90 + 10;	3948	my $value = $cf::RUNTIME + 90 + 10;
3426	# 10 is the runtime save interval, for a monotonic clock	3949	# 10 is the runtime save interval, for a monotonic clock
3427	# 60 allows for the watchdog to kill the server.	3950	# 60 allows for the watchdog to kill the server.
…		…
3437	aio_utime $fh, undef, undef;	3960	aio_utime $fh, undef, undef;
3438		3961
3439	close $fh	3962	close $fh
3440	or return;	3963	or return;
3441		3964
3442	aio_rename "$runtime~", $runtime	3965	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3443	and return;	3966	and return;
3444		3967
3445	warn "runtime file written.\n";	3968	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3446		3969
3447	1	3970	1
3448	}	3971	}
3449		3972
3450	our $uuid_lock;	3973	our $uuid_lock;
…		…
3459	my $uuid = "$LOCALDIR/uuid";	3982	my $uuid = "$LOCALDIR/uuid";
3460		3983
3461	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3984	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3462	or return;	3985	or return;
3463		3986
3464	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3987	my $value = uuid_seq uuid_cur;
		3988
		3989	unless ($value) {
		3990	info "cowardly refusing to write zero uuid value!\n";
		3991	return;
		3992	}
		3993
		3994	my $value = uuid_str $value + $uuid_skip;
3465	$uuid_skip = 0;	3995	$uuid_skip = 0;
3466		3996
3467	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3997	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3468	and return;	3998	and return;
3469		3999
…		…
3475	or return;	4005	or return;
3476		4006
3477	aio_rename "$uuid~", $uuid	4007	aio_rename "$uuid~", $uuid
3478	and return;	4008	and return;
3479		4009
3480	warn "uuid file written ($value).\n";	4010	trace "uuid file written ($value).\n";
3481		4011
3482	1	4012	1
3483		4013
3484	}	4014	}
3485		4015
…		…
3491	}	4021	}
3492		4022
3493	sub emergency_save() {	4023	sub emergency_save() {
3494	my $freeze_guard = cf::freeze_mainloop;	4024	my $freeze_guard = cf::freeze_mainloop;
3495		4025
3496	warn "enter emergency perl save\n";	4026	info "emergency_perl_save: enter\n";
		4027
		4028	# this is a trade-off: we want to be very quick here, so
		4029	# save all maps without fsync, and later call a global sync
		4030	# (which in turn might be very very slow)
		4031	local $USE_FSYNC = 0;
3497		4032
3498	cf::sync_job {	4033	cf::sync_job {
		4034	cf::write_runtime_sync; # external watchdog should not bark
		4035
3499	# use a peculiar iteration method to avoid tripping on perl	4036	# use a peculiar iteration method to avoid tripping on perl
3500	# refcount bugs in for. also avoids problems with players	4037	# refcount bugs in for. also avoids problems with players
3501	# and maps saved/destroyed asynchronously.	4038	# and maps saved/destroyed asynchronously.
3502	warn "begin emergency player save\n";	4039	info "emergency_perl_save: begin player save\n";
3503	for my $login (keys %cf::PLAYER) {	4040	for my $login (keys %cf::PLAYER) {
3504	my $pl = $cf::PLAYER{$login} or next;	4041	my $pl = $cf::PLAYER{$login} or next;
3505	$pl->valid or next;	4042	$pl->valid or next;
3506	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4043	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3507	$pl->save;	4044	$pl->save;
3508	}	4045	}
3509	warn "end emergency player save\n";	4046	info "emergency_perl_save: end player save\n";
3510		4047
3511	warn "begin emergency map save\n";	4048	cf::write_runtime_sync; # external watchdog should not bark
		4049
		4050	info "emergency_perl_save: begin map save\n";
3512	for my $path (keys %cf::MAP) {	4051	for my $path (keys %cf::MAP) {
3513	my $map = $cf::MAP{$path} or next;	4052	my $map = $cf::MAP{$path} or next;
3514	$map->valid or next;	4053	$map->valid or next;
3515	$map->save;	4054	$map->save;
3516	}	4055	}
3517	warn "end emergency map save\n";	4056	info "emergency_perl_save: end map save\n";
3518		4057
3519	warn "begin emergency database checkpoint\n";	4058	cf::write_runtime_sync; # external watchdog should not bark
		4059
		4060	info "emergency_perl_save: begin database checkpoint\n";
3520	BDB::db_env_txn_checkpoint $DB_ENV;	4061	BDB::db_env_txn_checkpoint $DB_ENV;
3521	warn "end emergency database checkpoint\n";	4062	info "emergency_perl_save: end database checkpoint\n";
3522		4063
3523	warn "begin write uuid\n";	4064	info "emergency_perl_save: begin write uuid\n";
3524	write_uuid_sync 1;	4065	write_uuid_sync 1;
3525	warn "end write uuid\n";	4066	info "emergency_perl_save: end write uuid\n";
		4067
		4068	cf::write_runtime_sync; # external watchdog should not bark
		4069
		4070	trace "emergency_perl_save: syncing database to disk";
		4071	BDB::db_env_txn_checkpoint $DB_ENV;
		4072
		4073	info "emergency_perl_save: starting sync\n";
		4074	IO::AIO::aio_sync sub {
		4075	info "emergency_perl_save: finished sync\n";
		4076	};
		4077
		4078	cf::write_runtime_sync; # external watchdog should not bark
		4079
		4080	trace "emergency_perl_save: flushing outstanding aio requests";
		4081	while (IO::AIO::nreqs || BDB::nreqs) {
		4082	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4083	}
		4084
		4085	cf::write_runtime_sync; # external watchdog should not bark
3526	};	4086	};
3527		4087
3528	warn "leave emergency perl save\n";	4088	info "emergency_perl_save: leave\n";
3529	}	4089	}
3530		4090
3531	sub post_cleanup {	4091	sub post_cleanup {
3532	my ($make_core) = @_;	4092	my ($make_core) = @_;
3533		4093
		4094	IO::AIO::flush;
		4095
3534	warn Carp::longmess "post_cleanup backtrace"	4096	error Carp::longmess "post_cleanup backtrace"
3535	if $make_core;	4097	if $make_core;
		4098
		4099	my $fh = pidfile;
		4100	unlink $PIDFILE if <$fh> == $$;
		4101	}
		4102
		4103	# a safer delete_package, copied from Symbol
		4104	sub clear_package($) {
		4105	my $pkg = shift;
		4106
		4107	# expand to full symbol table name if needed
		4108	unless ($pkg =~ /^main::.*::$/) {
		4109	$pkg = "main$pkg" if $pkg =~ /^::/;
		4110	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4111	$pkg .= '::' unless $pkg =~ /::$/;
		4112	}
		4113
		4114	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4115	my $stem_symtab = *{$stem}{HASH};
		4116
		4117	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4118	or return;
		4119
		4120	# clear all symbols
		4121	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4122	for my $name (keys %$leaf_symtab) {
		4123	_gv_clear *{"$pkg$name"};
		4124	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4125	}
3536	}	4126	}
3537		4127
3538	sub do_reload_perl() {	4128	sub do_reload_perl() {
3539	# can/must only be called in main	4129	# can/must only be called in main
3540	if ($Coro::current != $Coro::main) {	4130	unless (in_main) {
3541	warn "can only reload from main coroutine";	4131	error "can only reload from main coroutine";
3542	return;	4132	return;
3543	}	4133	}
3544		4134
3545	warn "reloading...";	4135	return if $RELOAD++;
3546		4136
3547	warn "entering sync_job";	4137	my $t1 = AE::time;
3548		4138
		4139	while ($RELOAD) {
		4140	cf::get_slot 0.1, -1, "reload_perl";
		4141	info "perl_reload: reloading...";
		4142
		4143	trace "perl_reload: entering sync_job";
		4144
3549	cf::sync_job {	4145	cf::sync_job {
3550	cf::write_runtime_sync; # external watchdog should not bark
3551	cf::emergency_save;	4146	#cf::emergency_save;
3552	cf::write_runtime_sync; # external watchdog should not bark
3553		4147
3554	warn "syncing database to disk";
3555	BDB::db_env_txn_checkpoint $DB_ENV;
3556
3557	# if anything goes wrong in here, we should simply crash as we already saved
3558
3559	warn "flushing outstanding aio requests";
3560	for (;;) {
3561	BDB::flush;
3562	IO::AIO::flush;
3563	Coro::cede_notself;
3564	last unless IO::AIO::nreqs || BDB::nreqs;
3565	warn "iterate...";
3566	}
3567
3568	++$RELOAD;
3569
3570	warn "cancelling all extension coros";	4148	trace "perl_reload: cancelling all extension coros";
3571	$_->cancel for values %EXT_CORO;	4149	$_->cancel for values %EXT_CORO;
3572	%EXT_CORO = ();	4150	%EXT_CORO = ();
3573		4151
3574	warn "removing commands";	4152	trace "perl_reload: removing commands";
3575	%COMMAND = ();	4153	%COMMAND = ();
3576		4154
3577	warn "removing ext/exti commands";	4155	trace "perl_reload: removing ext/exti commands";
3578	%EXTCMD = ();	4156	%EXTCMD = ();
3579	%EXTICMD = ();	4157	%EXTICMD = ();
3580		4158
3581	warn "unloading/nuking all extensions";	4159	trace "perl_reload: unloading/nuking all extensions";
3582	for my $pkg (@EXTS) {	4160	for my $pkg (@EXTS) {
3583	warn "... unloading $pkg";	4161	trace "... unloading $pkg";
3584		4162
3585	if (my $cb = $pkg->can ("unload")) {	4163	if (my $cb = $pkg->can ("unload")) {
3586	eval {	4164	eval {
3587	$cb->($pkg);	4165	$cb->($pkg);
3588	1	4166	1
3589	} or warn "$pkg unloaded, but with errors: $@";	4167	} or error "$pkg unloaded, but with errors: $@";
		4168	}
		4169
		4170	trace "... clearing $pkg";
		4171	clear_package $pkg;
3590	}	4172	}
3591		4173
3592	warn "... nuking $pkg";
3593	Symbol::delete_package $pkg;
3594	}
3595
3596	warn "unloading all perl modules loaded from $LIBDIR";	4174	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3597	while (my ($k, $v) = each %INC) {	4175	while (my ($k, $v) = each %INC) {
3598	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4176	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3599		4177
3600	warn "... unloading $k";	4178	trace "... unloading $k";
3601	delete $INC{$k};	4179	delete $INC{$k};
3602		4180
3603	$k =~ s/\.pm$//;	4181	$k =~ s/\.pm$//;
3604	$k =~ s/\//::/g;	4182	$k =~ s/\//::/g;
3605		4183
3606	if (my $cb = $k->can ("unload_module")) {	4184	if (my $cb = $k->can ("unload_module")) {
3607	$cb->();	4185	$cb->();
		4186	}
		4187
		4188	clear_package $k;
3608	}	4189	}
3609		4190
3610	Symbol::delete_package $k;
3611	}
3612
3613	warn "getting rid of safe::, as good as possible";	4191	trace "perl_reload: getting rid of safe::, as good as possible";
3614	Symbol::delete_package "safe::$_"	4192	clear_package "safe::$_"
3615	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4193	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3616		4194
3617	warn "unloading cf.pm \"a bit\"";	4195	trace "perl_reload: unloading cf.pm \"a bit\"";
3618	delete $INC{"cf.pm"};	4196	delete $INC{"cf.pm"};
3619	delete $INC{"cf/pod.pm"};	4197	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3620		4198
3621	# don't, removes xs symbols, too,	4199	# don't, removes xs symbols, too,
3622	# and global variables created in xs	4200	# and global variables created in xs
3623	#Symbol::delete_package __PACKAGE__;	4201	#clear_package __PACKAGE__;
3624		4202
3625	warn "unload completed, starting to reload now";	4203	info "perl_reload: unload completed, starting to reload now";
3626		4204
3627	warn "reloading cf.pm";	4205	trace "perl_reload: reloading cf.pm";
3628	require cf;	4206	require cf;
3629	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4207	cf::_connect_to_perl_1;
3630		4208
3631	warn "loading config and database again";	4209	trace "perl_reload: loading config and database again";
3632	cf::reload_config;	4210	cf::reload_config;
3633		4211
3634	warn "loading extensions";	4212	trace "perl_reload: loading extensions";
3635	cf::load_extensions;	4213	cf::load_extensions;
3636		4214
		4215	if ($REATTACH_ON_RELOAD) {
3637	warn "reattaching attachments to objects/players";	4216	trace "perl_reload: reattaching attachments to objects/players";
3638	_global_reattach; # objects, sockets	4217	_global_reattach; # objects, sockets
3639	warn "reattaching attachments to maps";	4218	trace "perl_reload: reattaching attachments to maps";
3640	reattach $_ for values %MAP;	4219	reattach $_ for values %MAP;
3641	warn "reattaching attachments to players";	4220	trace "perl_reload: reattaching attachments to players";
3642	reattach $_ for values %PLAYER;	4221	reattach $_ for values %PLAYER;
		4222	}
3643		4223
3644	warn "leaving sync_job";	4224	cf::_post_init 1;
3645		4225
		4226	trace "perl_reload: leaving sync_job";
		4227
3646	1	4228	1
3647	} or do {	4229	} or do {
3648	warn $@;	4230	error $@;
3649	cf::cleanup "error while reloading, exiting.";	4231	cf::cleanup "perl_reload: error, exiting.";
		4232	};
		4233
		4234	--$RELOAD;
3650	};	4235	}
3651		4236
3652	warn "reloaded";	4237	$t1 = AE::time - $t1;
		4238	info "perl_reload: completed in ${t1}s\n";
3653	};	4239	};
3654		4240
3655	our $RELOAD_WATCHER; # used only during reload	4241	our $RELOAD_WATCHER; # used only during reload
3656		4242
3657	sub reload_perl() {	4243	sub reload_perl() {
3658	# doing reload synchronously and two reloads happen back-to-back,	4244	# doing reload synchronously and two reloads happen back-to-back,
3659	# coro crashes during coro_state_free->destroy here.	4245	# coro crashes during coro_state_free->destroy here.
3660		4246
		4247	$RELOAD_WATCHER ||= cf::async {
		4248	Coro::AIO::aio_wait cache_extensions;
		4249
3661	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4250	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3662	do_reload_perl;	4251	do_reload_perl;
3663	undef $RELOAD_WATCHER;	4252	undef $RELOAD_WATCHER;
		4253	};
3664	};	4254	};
3665	}	4255	}
3666		4256
3667	register_command "reload" => sub {	4257	register_command "reload" => sub {
3668	my ($who, $arg) = @_;	4258	my ($who, $arg) = @_;
…		…
3674	reload_perl;	4264	reload_perl;
3675	};	4265	};
3676	}	4266	}
3677	};	4267	};
3678		4268
3679	unshift @INC, $LIBDIR;	4269	#############################################################################
3680		4270
3681	my $bug_warning = 0;	4271	my $bug_warning = 0;
3682		4272
3683	our @WAIT_FOR_TICK;
3684	our @WAIT_FOR_TICK_BEGIN;
3685
3686	sub wait_for_tick {	4273	sub wait_for_tick() {
3687	return if tick_inhibit;	4274	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3688	return if $Coro::current == $Coro::main;
3689		4275
3690	my $signal = new Coro::Signal;	4276	$WAIT_FOR_TICK->wait;
3691	push @WAIT_FOR_TICK, $signal;
3692	$signal->wait;
3693	}	4277	}
3694		4278
3695	sub wait_for_tick_begin {	4279	sub wait_for_tick_begin() {
3696	return if tick_inhibit;	4280	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3697	return if $Coro::current == $Coro::main;
3698		4281
3699	my $signal = new Coro::Signal;	4282	my $signal = new Coro::Signal;
3700	push @WAIT_FOR_TICK_BEGIN, $signal;	4283	push @WAIT_FOR_TICK_BEGIN, $signal;
3701	$signal->wait;	4284	$signal->wait;
3702	}	4285	}
…		…
3706	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4289	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3707	unless ++$bug_warning > 10;	4290	unless ++$bug_warning > 10;
3708	return;	4291	return;
3709	}	4292	}
3710		4293
3711	cf::server_tick; # one server iteration	4294	cf::one_tick; # one server iteration
		4295
		4296	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3712		4297
3713	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4298	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3714	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4299	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3715	Coro::async_pool {	4300	Coro::async_pool {
3716	$Coro::current->{desc} = "runtime saver";	4301	$Coro::current->{desc} = "runtime saver";
3717	write_runtime_sync	4302	write_runtime_sync
3718	or warn "ERROR: unable to write runtime file: $!";	4303	or error "ERROR: unable to write runtime file: $!";
3719	};	4304	};
3720	}	4305	}
3721		4306
3722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4307	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3723	$sig->send;	4308	$sig->send;
3724	}	4309	}
3725	while (my $sig = shift @WAIT_FOR_TICK) {	4310	$WAIT_FOR_TICK->broadcast;
3726	$sig->send;
3727	}
3728		4311
3729	$LOAD = ($NOW - $TICK_START) / $TICK;	4312	$LOAD = ($NOW - $TICK_START) / $TICK;
3730	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4313	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3731		4314
3732	if (0) {	4315	if (0) {
3733	if ($NEXT_TICK) {	4316	if ($NEXT_TICK) {
3734	my $jitter = $TICK_START - $NEXT_TICK;	4317	my $jitter = $TICK_START - $NEXT_TICK;
3735	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4318	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3736	warn "jitter $JITTER\n";#d#	4319	debug "jitter $JITTER\n";#d#
3737	}	4320	}
3738	}	4321	}
3739	}	4322	}
3740		4323
3741	{	4324	{
3742	# configure BDB	4325	# configure BDB
		4326	info "initialising database";
3743		4327
3744	BDB::min_parallel 8;	4328	BDB::min_parallel 16;
3745	BDB::max_poll_reqs $TICK * 0.1;	4329	BDB::max_poll_reqs $TICK * 0.1;
3746	$Coro::BDB::WATCHER->priority (1);	4330	#$AnyEvent::BDB::WATCHER->priority (1);
3747		4331
3748	unless ($DB_ENV) {	4332	unless ($DB_ENV) {
3749	$DB_ENV = BDB::db_env_create;	4333	$DB_ENV = BDB::db_env_create;
3750	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4334	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3751	| BDB::LOG_AUTOREMOVE, 1);	4335	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4336	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3752	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4337	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3753	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4338	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3754		4339
3755	cf::sync_job {	4340	cf::sync_job {
3756	eval {	4341	eval {
…		…
3775	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4360	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3776	};	4361	};
3777	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4362	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3778	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4363	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3779	};	4364	};
		4365
		4366	info "database initialised";
3780	}	4367	}
3781		4368
3782	{	4369	{
3783	# configure IO::AIO	4370	# configure IO::AIO
3784		4371
		4372	info "initialising aio";
3785	IO::AIO::min_parallel 8;	4373	IO::AIO::min_parallel 8;
3786	IO::AIO::max_poll_time $TICK * 0.1;	4374	IO::AIO::max_poll_time $TICK * 0.1;
3787	$Coro::AIO::WATCHER->priority (1);	4375	undef $AnyEvent::AIO::WATCHER;
		4376	info "aio initialised";
3788	}	4377	}
3789		4378
3790	my $_log_backtrace;	4379	our $_log_backtrace;
		4380	our $_log_backtrace_last;
3791		4381
3792	sub _log_backtrace {	4382	sub _log_backtrace {
3793	my ($msg, @addr) = @_;	4383	my ($msg, @addr) = @_;
3794		4384
3795	$msg =~ s/\n//;	4385	$msg =~ s/\n$//;
3796		4386
		4387	if ($_log_backtrace_last eq $msg) {
		4388	LOG llevInfo, "[ABT] $msg\n";
		4389	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3797	# limit the # of concurrent backtraces	4390	# limit the # of concurrent backtraces
3798	if ($_log_backtrace < 2) {	4391	} elsif ($_log_backtrace < 2) {
		4392	$_log_backtrace_last = $msg;
3799	++$_log_backtrace;	4393	++$_log_backtrace;
		4394	my $perl_bt = Carp::longmess $msg;
3800	async {	4395	async {
3801	$Coro::current->{desc} = "abt $msg";	4396	$Coro::current->{desc} = "abt $msg";
3802		4397
3803	my @bt = fork_call {	4398	my @bt = fork_call {
3804	@addr = map { sprintf "%x", $_ } @addr;	4399	@addr = map { sprintf "%x", $_ } @addr;
…		…
3815	}	4410	}
3816		4411
3817	@funcs	4412	@funcs
3818	};	4413	};
3819		4414
3820	LOG llevInfo, "[ABT] $msg\n";	4415	LOG llevInfo, "[ABT] $perl_bt\n";
		4416	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3821	LOG llevInfo, "[ABT] $_\n" for @bt;	4417	LOG llevInfo, "[ABT] $_\n" for @bt;
3822	--$_log_backtrace;	4418	--$_log_backtrace;
3823	};	4419	};
3824	} else {	4420	} else {
3825	LOG llevInfo, "[ABT] $msg\n";	4421	LOG llevInfo, "[ABT] $msg\n";
3826	LOG llevInfo, "[ABT] [suppressed]\n";	4422	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3827	}	4423	}
3828	}	4424	}
3829		4425
3830	# load additional modules	4426	# load additional modules
3831	use cf::pod;	4427	require "cf/$_.pm" for @EXTRA_MODULES;
		4428	cf::_connect_to_perl_2;
3832		4429
3833	END { cf::emergency_save }	4430	END { cf::emergency_save }
3834		4431
3835	1	4432	1
3836		4433

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