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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.438 by elmex, Sun Jul 13 20:15:51 2008 UTC vs.
Revision 1.607 by root, Sun Nov 18 09:29:25 2012 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
18	#	18	# <http://www.gnu.org/licenses/>.
		19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use utf8;	25	use common::sense;
25	use strict;
26		26
27	use Symbol;	27	use Symbol;
28	use List::Util;	28	use List::Util;
29	use Socket;	29	use Socket;
30	use EV;	30	use EV;
31	use Opcode;	31	use Opcode;
32	use Safe;	32	use Safe;
33	use Safe::Hole;	33	use Safe::Hole;
34	use Storable ();	34	use Storable ();
		35	use Carp ();
		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
35		40
36	use Coro ();	41	use Coro ();
37	use Coro::State;	42	use Coro::State;
38	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
39	use Coro::AnyEvent;	45	use Coro::AnyEvent;
40	use Coro::Timer;	46	use Coro::Timer;
41	use Coro::Signal;	47	use Coro::Signal;
42	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
43	use Coro::AnyEvent;	50	use Coro::AnyEvent;
44	use Coro::AIO;	51	use Coro::AIO;
45	use Coro::BDB 1.6;	52	use Coro::BDB 1.6;
46	use Coro::Storable;	53	use Coro::Storable;
47	use Coro::Util ();	54	use Coro::Util ();
48		55
		56	use Guard ();
49	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
50	use BDB ();	58	use BDB ();
51	use Data::Dumper;	59	use Data::Dumper;
52	use Digest::MD5;
53	use Fcntl;	60	use Fcntl;
54	use YAML ();	61	use YAML::XS ();
55	use IO::AIO ();	62	use IO::AIO ();
56	use Time::HiRes;
57	use Compress::LZF;	63	use Compress::LZF;
58	use Digest::MD5 ();	64	use Digest::MD5 ();
59		65
60	AnyEvent::detect;	66	AnyEvent::detect;
61		67
62	# configure various modules to our taste	68	# configure various modules to our taste
63	#	69	#
64	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
67		78
68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
69		81
70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
71		85
72	our %COMMAND = ();	86	our %COMMAND = ();
73	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
74		88
75	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
76	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
77	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
78	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
79	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
80		96
81	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
82	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
83		101
84	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
85	our $DATADIR = datadir;	104	our $DATADIR = datadir;
86	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
87	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
88	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
89	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
90	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
93	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
94	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
95	our %RESOURCE;	115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
96		125
97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
99	our $NEXT_TICK;	128	our $NEXT_TICK;
100	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
101		130
102	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
103	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
104	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
105	our $DB_ENV;	134	our $DB_ENV;
106		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
107	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
108		140
109	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
110	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
111	our $NOW;	144	our $NOW;
112		145
113	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
114	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
115	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
…		…
120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
121	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
122	our $JITTER; # average jitter	155	our $JITTER; # average jitter
123	our $TICK_START; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
124		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
125	binmode STDOUT;	166	binmode STDOUT;
126	binmode STDERR;	167	binmode STDERR;
127		168
128	# read virtual server time, if available	169	# read virtual server time, if available
129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
130	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
131	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
132	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
133	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
134		177
135	mkdir $_	178	mkdir $_
136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
137		180
138	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
139		182
140	sub cf::map::normalise;	183	sub cf::map::normalise;
141		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
142	#############################################################################	189	#############################################################################
143		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
144	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
145		203
146	=over 4	204	=over 4
147		205
148	=item $cf::UPTIME	206	=item $cf::UPTIME
149		207
150	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
151		224
152	=item $cf::RUNTIME	225	=item $cf::RUNTIME
153		226
154	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
155	every server tick.	228	every server tick.
156		229
157	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
158	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
159	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
160		233
161	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
162	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
163	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
164	database environment.	237	database environment.
165		238
166	=item $cf::NOW
167
168	The time of the last (current) server tick.
169
170	=item $cf::TICK
171
172	The interval between server ticks, in seconds.
173
174	=item $cf::LOADAVG	239	=item $cf::LOADAVG
175		240
176	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
177	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
178	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
187	from wherever your confdir points to.	252	from wherever your confdir points to.
188		253
189	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
190		255
191	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
192	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
194		277
195	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
196		279
197	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
199	that call.	282	that call.
200		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
201	=back	290	=back
202		291
203	=cut	292	=cut
204		293
205	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
206	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
207	my $msg = join "", @_;	301	my $msg = join "", @_;
208		302
209	$msg .= "\n"	303	$msg .= "\n"
210	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
211		305
212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
213		307
214	LOG llevError, $msg;	308	LOG llevWarn, $msg;
215	};	309	};
216	}
217		310
218	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
219	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
220		313
221	if ($Coro::current == $Coro::main) {#d#	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
222	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
223	return;#d#	318	return;#d#
224	}#d#	319	}#d#
225		320
226	# kill coroutine otherwise	321	# kill coroutine otherwise
227	warn Carp::longmess $_[0];
228	Coro::terminate	322	Coro::terminate
229	};	323	};
230
231	$SIG{__DIE__} = sub { }; #d#?
232		324
233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
243	for my $pkg (qw(	335	for my $pkg (qw(
244	cf::global cf::attachable	336	cf::global cf::attachable
245	cf::object cf::object::player	337	cf::object cf::object::player
246	cf::client cf::player	338	cf::client cf::player
247	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
248	cf::map cf::party cf::region	341	cf::party cf::region
249	)) {	342	)) {
250	no strict 'refs';
251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
252	}	344	}
253		345
254	$EV::DIED = sub {	346	$EV::DIED = sub {
255	warn "error in event callback: @_";	347	warn "error in event callback: $@";
256	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
257		354
258	#############################################################################	355	#############################################################################
259		356
260	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
261		358
…		…
282	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
283	$d	380	$d
284	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
285	}	382	}
286		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
287	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
288		437
289	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
290		439
291	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
298		447
299	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
300	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
301		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
302	=item cf::lock_wait $string	513	=item cf::lock_wait $string
303		514
304	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
305		516
306	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
307		518
308	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
309	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
310	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
311	returned.	522	returned.
312		523
313	Locks are *not* recursive, locking from the same coro twice results in a	524	Locks are *not* recursive, locking from the same coro twice results in a
314	deadlocked coro.	525	deadlocked coro.
…		…
320		531
321	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
322		533
323	=cut	534	=cut
324		535
325	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
326	our %LOCKER;#d#
327		537
328	sub lock_wait($) {	538	sub lock_wait($) {
329	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
330
331	if ($LOCKER{$key} == $Coro::current) {#d#
332	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
333	return;#d#
334	}#d#
335
336	# wait for lock, if any
337	while ($LOCK{$key}) {
338	push @{ $LOCK{$key} }, $Coro::current;
339	Coro::schedule;
340	}
341	}	540	}
342		541
343	sub lock_acquire($) {	542	sub lock_acquire($) {
344	my ($key) = @_;	543	$LOCKS->guard ($_[0])
345
346	# wait, to be sure we are not locked
347	lock_wait $key;
348
349	$LOCK{$key} = [];
350	$LOCKER{$key} = $Coro::current;#d#
351
352	Coro::guard {
353	delete $LOCKER{$key};#d#
354	# wake up all waiters, to be on the safe side
355	$_->ready for @{ delete $LOCK{$key} };
356	}
357	}	544	}
358		545
359	sub lock_active($) {	546	sub lock_active($) {
360	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
361
362	! ! $LOCK{$key}
363	}	548	}
364		549
365	sub freeze_mainloop {	550	sub freeze_mainloop {
366	tick_inhibit_inc;	551	tick_inhibit_inc;
367		552
368	Coro::guard \&tick_inhibit_dec;	553	&Guard::guard (\&tick_inhibit_dec);
369	}	554	}
370		555
371	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
372		557
373	Like EV::periodic, but randomly selects a starting point so that the actions	558	Like EV::periodic, but randomly selects a starting point so that the actions
374	get spread over timer.	559	get spread over time.
375		560
376	=cut	561	=cut
377		562
378	sub periodic($$) {	563	sub periodic($$) {
379	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
383	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
384	}	569	}
385		570
386	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
387		572
388	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
389	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
390	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
391		580
392	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
393	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
394		583
395	Useful for short background jobs.	584	Useful for short background jobs.
396		585
397	=cut	586	=cut
398		587
399	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
400	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
401		591
402	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
403	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
404	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
405		595
406	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
407		598
408	while () {	599	while () {
409	next_job:	600	next_job:
		601
410	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
411	if ($avail > 0.01) {	603
412	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
413	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
414	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
415	$job->[2]->send;	608	$job->[2]->send;
416	Coro::cede;	609	Coro::cede;
417	goto next_job;	610	goto next_job;
418	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
419	}	613	}
420	}	614	}
421		615
422	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
423	# 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
424	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
425	$signal->wait;
426	} else {	619	} else {
		620	$busy = 0;
427	Coro::schedule;	621	Coro::schedule;
428	}	622	}
429	}	623	}
430	};	624	};
431		625
432	sub get_slot($;$$) {	626	sub get_slot($;$$) {
433	return if tick_inhibit || $Coro::current == $Coro::main;	627	return if tick_inhibit || $Coro::current == $Coro::main;
434		628
435	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
436		630
437	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
438	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
439		634
440	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
441	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
442	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
468	=cut	663	=cut
469		664
470	sub sync_job(&) {	665	sub sync_job(&) {
471	my ($job) = @_;	666	my ($job) = @_;
472		667
473	if ($Coro::current == $Coro::main) {	668	if (in_main) {
474	my $time = EV::time;	669	my $time = AE::time;
475		670
476	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
477	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
478		673
479	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
480		675
481	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
482		677
483	my $busy = 1;	678	my $busy = 1;
484	my @res;	679	my @res;
485		680
486	(async {	681	(async {
487	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
488	@res = eval { $job->() };	683	@res = eval { $job->() };
489	warn $@ if $@;	684	error $@ if $@;
490	undef $busy;	685	undef $busy;
491	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
492		687
493	while ($busy) {	688	while ($busy) {
494	if (Coro::nready) {	689	if (Coro::nready) {
…		…
496	} else {	691	} else {
497	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_ONESHOT;
498	}	693	}
499	}	694	}
500		695
501	my $time = EV::time - $time;	696	my $time = AE::time - $time;
502		697
503	$TICK_START += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
504		699
505	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
506	} else {	701	} else {
…		…
528	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
529		724
530	$coro	725	$coro
531	}	726	}
532		727
533	=item fork_call { }, $args	728	=item fork_call { }, @args
534		729
535	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
536	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
537	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
538	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
539		734
540	=cut	735	=cut
541		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
542	sub fork_call(&@) {	741	sub fork_call(&@) {
543	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
544		743
545	# we seemingly have to make a local copy of the whole thing,
546	# otherwise perl prematurely frees the stuff :/
547	# TODO: investigate and fix (likely this will be rather laborious)
548
549	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
550	reset_signals;	745	cf::post_fork;
551	&$cb	746	&$cb
552	}, @args;	747	} @args;
553		748
554	wantarray ? @res : $res[-1]	749	wantarray ? @res : $res[-1]
		750	}
		751
		752	sub objinfo {
		753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
555	}	761	}
556		762
557	=item $coin = coin_from_name $name	763	=item $coin = coin_from_name $name
558		764
559	=cut	765	=cut
…		…
596	within each server.	802	within each server.
597		803
598	=cut	804	=cut
599		805
600	sub db_table($) {	806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
601	my ($name) = @_;	810	my ($name) = @_;
602	my $db = BDB::db_create $DB_ENV;	811	my $db = BDB::db_create $DB_ENV;
603		812
604	eval {	813	eval {
605	$db->set_flags (BDB::CHKSUM);	814	$db->set_flags (BDB::CHKSUM);
…		…
615	}	824	}
616		825
617	our $DB;	826	our $DB;
618		827
619	sub db_init {	828	sub db_init {
620	cf::sync_job {
621	$DB ||= db_table "db";	829	$DB ||= db_table "db";
622	};
623	}	830	}
624		831
625	sub db_get($$) {	832	sub db_get($$) {
626	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
627		834
628	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
629	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
630		839
631	$! ? ()	840	$! ? ()
632	: $data	841	: $data
633	}
634	}	842	}
635		843
636	sub db_put($$$) {	844	sub db_put($$$) {
637	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
638	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
666		874
667	my @data;	875	my @data;
668	my $md5;	876	my $md5;
669		877
670	for (0 .. $#$src) {	878	for (0 .. $#$src) {
671	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
672	or Carp::croak "$src->[$_]: $!";
673	}	880	}
674		881
675	# if processing is expensive, check	882	# if processing is expensive, check
676	# checksum first	883	# checksum first
677	if (1) {	884	if (1) {
…		…
690		897
691	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
692	}	899	}
693	}	900	}
694		901
695	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
696	my $data = $process->(\@data);	903	my $data = $process->(\@data);
697	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
698		905
699	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
700		907
701	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
702	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
703	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
704		911
…		…
714		921
715	=cut	922	=cut
716		923
717	sub datalog($@) {	924	sub datalog($@) {
718	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
719	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
720	}	927	}
721		928
722	=back	929	=back
723		930
724	=cut	931	=cut
725		932
726	#############################################################################	933	#############################################################################
727		934
728	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
729		936
730	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
731	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
732	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
733		940
734	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
735	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
785	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
786		993
787	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
788	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
789		996
790	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
791	that are attached at load/instantiate time, thus the need for a name.	998	that are attached at load/instantiate time, thus the need for a name.
792		999
793	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
794		1001
795	=over 4	1002	=over 4
…		…
919		1126
920	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
921	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
922		1129
923	} elsif (ref $type) {	1130	} elsif (ref $type) {
924	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
925		1132
926	} else {	1133	} else {
927	shift @arg;	1134	shift @arg;
928	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
929	}	1136	}
930	}	1137	}
931	}	1138	}
932		1139
933	sub _object_attach {	1140	sub _object_attach {
…		…
943	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
944	}	1151	}
945		1152
946	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
947	} else {	1154	} else {
948	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
949	}	1156	}
950		1157
951	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
952	}	1159	}
953		1160
…		…
1012		1219
1013	for (@$callbacks) {	1220	for (@$callbacks) {
1014	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
1015		1222
1016	if ($@) {	1223	if ($@) {
1017	warn "$@";
1018	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1019	override;	1225	override;
1020	}	1226	}
1021		1227
1022	return 1 if $override;	1228	return 1 if $override;
1023	}	1229	}
…		…
1086		1292
1087	sub reattach {	1293	sub reattach {
1088	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
1089	my ($obj) = @_;	1295	my ($obj) = @_;
1090		1296
		1297	# no longer needed after getting rid of delete_package?
1091	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1298	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1092		1299
1093	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
1094		1301
1095	@$registry = ();	1302	@$registry = ();
1096		1303
…		…
1101	for (@$attach) {	1308	for (@$attach) {
1102	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
1103	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
1104	}	1311	}
1105	} else {	1312	} else {
1106	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
1107	}	1314	}
1108	}	1315	}
1109	}	1316	}
1110		1317
1111	cf::attachable->attach (	1318	cf::attachable->attach (
…		…
1138	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1139		1346
1140	sync_job {	1347	sync_job {
1141	if (length $$rdata) {	1348	if (length $$rdata) {
1142	utf8::decode (my $decname = $filename);	1349	utf8::decode (my $decname = $filename);
1143	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1144	$decname, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1145		1353
1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1147	aio_chmod $fh, SAVE_MODE;	1355	aio_chmod $fh, SAVE_MODE;
1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1149	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1359	aio_fsync $fh;
		1360	}
1150	aio_close $fh;	1361	aio_close $fh;
1151		1362
1152	if (@$objs) {	1363	if (@$objs) {
1153	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1154	aio_chmod $fh, SAVE_MODE;	1365	aio_chmod $fh, SAVE_MODE;
1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1156	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1157	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1370	aio_fsync $fh;
		1371	}
1158	aio_close $fh;	1372	aio_close $fh;
1159	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1160	}	1374	}
1161	} else {	1375	} else {
1162	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1163	}	1377	}
1164		1378
1165	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1166	} else {	1383	} else {
1167	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1168	}	1385	}
1169	} else {	1386	} else {
1170	aio_unlink $filename;	1387	aio_unlink $filename;
1171	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1172	}	1389	}
…		…
1196	my $st = eval { Coro::Storable::thaw $av };	1413	my $st = eval { Coro::Storable::thaw $av };
1197	$av = $st->{objs};	1414	$av = $st->{objs};
1198	}	1415	}
1199		1416
1200	utf8::decode (my $decname = $filename);	1417	utf8::decode (my $decname = $filename);
1201	warn sprintf "loading %s (%d,%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1202	$decname, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
1203		1421
1204	($data, $av)	1422	($data, $av)
1205	}	1423	}
1206		1424
1207	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
…		…
1211	=cut	1429	=cut
1212		1430
1213	#############################################################################	1431	#############################################################################
1214	# command handling &c	1432	# command handling &c
1215		1433
1216	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1217		1435
1218	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
1219	$name.	1437	$name.
1220		1438
1221	=cut	1439	=cut
…		…
1227	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1228		1446
1229	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1230	}	1448	}
1231		1449
1232	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1233		1451
1234	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1235	extcmd packet. Ext commands will be processed in the order they are	1453	extcmd packet. Ext commands will be processed in the order they are
1236	received by the server, like other user commands. The first argument is	1454	received by the server, like other user commands. The first argument is
1237	the logged-in player. Ext commands can only be processed after a player	1455	the logged-in player. Ext commands can only be processed after a player
1238	has logged in successfully.	1456	has logged in successfully.
1239		1457
1240	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1241	called.
1242		1459
		1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
1243	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1244		1466
1245	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1246	exticmd packet. Exti commands are processed by the server as soon as they	1468	exticmd packet. Exti commands are processed by the server as soon as they
1247	are received, i.e. out of order w.r.t. other commands. The first argument	1469	are received, i.e. out of order w.r.t. other commands. The first argument
1248	is a client socket. Exti commands can be received anytime, even before	1470	is a client socket. Exti commands can be received anytime, even before
1249	log-in.	1471	log-in.
1250		1472
1251	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1252	called.
1253		1474
1254	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1255		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1256	sub register_extcmd {	1482	sub register_extcmd($$) {
1257	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1258		1484
1259	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1260	}	1486	}
1261		1487
1262	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1263	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1264		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1265	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1266	}	1498	}
1267		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1268	cf::player->attach (	1508	cf::player->attach (
1269	on_command => sub {	1509	on_unknown_command => sub {
1270	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1271		1511
1272	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1273	or return;	1513	or return;
1274		1514
…		…
1282	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1283		1523
1284	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1285		1525
1286	if (ref $msg) {	1526	if (ref $msg) {
1287	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1288	"ARRAY" eq ref $msg
1289	? @$msg
1290	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1291		1528
1292	my @reply;
1293
1294	if (my $cb = $EXTCMD{$type}) {	1529	if (my $cb = $EXTACMD{$type}) {
		1530	$cb->(
		1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
1295	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1296	}	1547	}
1297		1548
1298	$pl->ext_reply ($reply, @reply)
1299	if $reply;
1300
1301	} else {	1549	} else {
1302	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1303	}	1551	}
1304		1552
1305	cf::override;	1553	cf::override;
1306	},	1554	},
1307	);	1555	);
1308		1556
		1557	# "readahead" all extensions
		1558	sub cache_extensions {
		1559	my $grp = IO::AIO::aio_group;
		1560
		1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1562	for (grep /\.ext$/, @{$_[0]}) {
		1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1564	}
		1565	};
		1566
		1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1579	}
		1580
1309	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1310	cf::sync_job {	1586	cf::sync_job {
1311	my %todo;	1587	my %todo;
1312		1588
1313	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1314	next unless -r $path;	1590	next unless -r $path;
…		…
1332		1608
1333	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1334	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1335		1611
1336	$ext{source} =	1612	$ext{source} =
1337	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1338	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1339	. $source	1615	. $source
1340	. "\n};\n1";	1616	. "\n};\n1";
1341		1617
1342	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1343	}	1619	}
1344		1620
		1621	my $pass = 0;
1345	my %done;	1622	my %done;
1346	while (%todo) {	1623	while (%todo) {
1347	my $progress;	1624	my $progress;
1348		1625
		1626	++$pass;
		1627
		1628	ext:
1349	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1350	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1351	goto skip	1631	next ext
1352	unless exists $done{$_};	1632	unless exists $done{$_};
1353	}	1633	}
1354		1634
1355	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1356		1636
1357	unless (eval $v->{source}) {	1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
1358	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1359	: "$v->{base}: extension inactive.\n";
1360		1650
1361	if (exists $v->{meta}{mandatory}) {
1362	warn $msg;
1363	cf::cleanup "mandatory extension failed to load, exiting.";	1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1364	}	1652	if exists $v->{meta}{mandatory};
1365		1653
1366	warn $msg;	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1655	delete $todo{$k};
		1656	} else {
		1657	$done{$k} = delete $todo{$k};
		1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1367	}	1663	}
1368
1369	$done{$k} = delete $todo{$k};
1370	push @EXTS, $v->{pkg};
1371	$progress = 1;
1372	}	1664	}
1373		1665
1374	skip:	1666	unless ($progress) {
1375	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1376	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1377	}	1676	}
1378	};	1677	};
1379	}	1678	}
1380		1679
1381	#############################################################################	1680	#############################################################################
1382		1681
1383	=back	1682	=back
1384		1683
1385	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1386		1685
1387	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1388		1687
1389	=cut	1688	=cut
1390		1689
1391	package cf::player;	1690	package cf::player;
1392		1691
…		…
1435		1734
1436	sub exists($) {	1735	sub exists($) {
1437	my ($login) = @_;	1736	my ($login) = @_;
1438		1737
1439	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1440	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1441	}	1740	}
1442		1741
1443	sub find($) {	1742	sub find($) {
1444	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1445	my $login = $_[0];	1744	my $login = $_[0];
…		…
1465	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1466	}	1765	}
1467	}	1766	}
1468	}	1767	}
1469		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
		1781
1470	sub save($) {	1782	sub save($) {
1471	my ($pl) = @_;	1783	my ($pl) = @_;
1472		1784
1473	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
1474		1786
…		…
1479		1791
1480	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1481	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1482		1794
1483	cf::get_slot 0.01;	1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1484		1799
1485	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1486	cf::cede_to_tick;	1801	cf::cede_to_tick;
1487	}	1802	}
1488		1803
…		…
1520	my ($pl) = @_;	1835	my ($pl) = @_;
1521		1836
1522	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1523		1838
1524	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1525	$pl->password ("*"); # this should lock out the player until we nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1526		1841
1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1528	$pl->deactivate;	1843	$pl->deactivate;
		1844
1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1530	$pl->ob->check_score;
1531	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1532	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1533		1850
1534	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1535	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1536	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1590	\@logins	1907	\@logins
1591	}	1908	}
1592		1909
1593	=item $player->maps	1910	=item $player->maps
1594		1911
		1912	=item cf::player::maps $login
		1913
1595	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1596	player. May block.	1915	player. May block.
1597		1916
1598	=cut	1917	=cut
1599		1918
…		…
1616	}	1935	}
1617		1936
1618	\@paths	1937	\@paths
1619	}	1938	}
1620		1939
1621	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1622		1941
1623	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1624
1625	=cut
1626
1627	use re 'eval';
1628
1629	my $group;
1630	my $interior; $interior = qr{
1631	# match a pod interior sequence sans C<< >>
1632	(?:
1633	\ (.*?)\ (?{ $group = $^N })
1634	| < (??{$interior}) >
1635	)
1636	}x;
1637
1638	sub expand_cfpod {
1639	my ($self, $pod) = @_;
1640
1641	my $xml;
1642
1643	while () {
1644	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1645	$group = $1;
1646
1647	$group =~ s/&/&amp;/g;
1648	$group =~ s/</&lt;/g;
1649
1650	$xml .= $group;
1651	} elsif ($pod =~ m%\G
1652	([BCGHITU])
1653	<
1654	(?:
1655	([^<>]*) (?{ $group = $^N })
1656	| < $interior >
1657	)
1658	>
1659	%gcsx
1660	) {
1661	my ($code, $data) = ($1, $group);
1662
1663	if ($code eq "B") {
1664	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1665	} elsif ($code eq "I") {
1666	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1667	} elsif ($code eq "U") {
1668	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1669	} elsif ($code eq "C") {
1670	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1671	} elsif ($code eq "T") {
1672	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1673	} elsif ($code eq "G") {
1674	my ($male, $female) = split /\|/, $data;
1675	$data = $self->gender ? $female : $male;
1676	$xml .= expand_cfpod ($self, $data);
1677	} elsif ($code eq "H") {
1678	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1679	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1680	"")
1681	[$self->{hintmode}];
1682	} else {
1683	$xml .= "error processing '$code($data)' directive";
1684	}
1685	} else {
1686	if ($pod =~ /\G(.+)/) {
1687	warn "parse error while expanding $pod (at $1)";
1688	}
1689	last;
1690	}
1691	}
1692
1693	for ($xml) {
1694	# create single paragraphs (very hackish)
1695	s/(?<=\S)\n(?=\w)/ /g;
1696
1697	# compress some whitespace
1698	s/\s+\n/\n/g; # ws line-ends
1699	s/\n\n+/\n/g; # double lines
1700	s/^\n+//; # beginning lines
1701	s/\n+$//; # ending lines
1702	}
1703
1704	$xml
1705	}
1706
1707	no re 'eval';
1708
1709	sub hintmode {
1710	$_[0]{hintmode} = $_[1] if @_ > 1;
1711	$_[0]{hintmode}
1712	}
1713
1714	=item $player->ext_reply ($msgid, @msg)
1715
1716	Sends an ext reply to the player.
1717
1718	=cut
1719
1720	sub ext_reply($$@) {
1721	my ($self, $id, @msg) = @_;
1722
1723	$self->ns->ext_reply ($id, @msg)
1724	}
1725		1943
1726	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1727		1945
1728	Sends an ext event to the client.	1946	Sends an ext event to the client.
1729		1947
…		…
1749		1967
1750	=cut	1968	=cut
1751		1969
1752	sub find_by_path($) {	1970	sub find_by_path($) {
1753	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1754		1974
1755	my ($match, $specificity);	1975	my ($match, $specificity);
1756		1976
1757	for my $region (list) {	1977	for my $region (list) {
1758	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1787	sub generate_random_map {	2007	sub generate_random_map {
1788	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1789		2009
1790	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1791		2011
1792	# mit "rum" bekleckern, nicht
1793	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1796	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1797	$rmp->{exit_on_final_map},
1798	$rmp->{xsize}, $rmp->{ysize},
1799	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1800	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1801	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1802	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1803	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1804	(cf::region::find $rmp->{region}), $rmp->{custom}
1805	)
1806	}	2013	}
1807		2014
1808	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1809		2016
1810	Register a handler for the map path matching the given regex at the	2017	Register a handler for the map path matching the given regex at the
…		…
1815		2022
1816	sub register {	2023	sub register {
1817	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1818	my $pkg = caller;	2025	my $pkg = caller;
1819		2026
1820	no strict;
1821	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1822		2028
1823	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1824	}	2030	}
1825		2031
1826	# also paths starting with '/'	2032	# also paths starting with '/'
1827	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1828		2034
1829	sub thawer_merge {	2035	sub thawer_merge {
1830	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1831		2037
1832	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1837	}	2043	}
1838		2044
1839	sub normalise {	2045	sub normalise {
1840	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1841		2047
1842	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1843		2049
1844	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1845		2051
1846	# map plan:	2052	# map plan:
1847	#	2053	#
…		…
1862	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1863	$path = "$base/$path";	2069	$path = "$base/$path";
1864	}	2070	}
1865		2071
1866	for ($path) {	2072	for ($path) {
1867	redo if s{//}{/};
1868	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1869	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1870	}	2075	}
1871		2076
1872	$path	2077	$path
…		…
1886	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1887	return $self;	2092	return $self;
1888	}	2093	}
1889	}	2094	}
1890		2095
1891	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1892	()	2097	()
1893	}	2098	}
1894		2099
		2100	# may re-bless or do other evil things
1895	sub init {	2101	sub init {
1896	my ($self) = @_;	2102	my ($self) = @_;
1897		2103
1898	$self	2104	$self
1899	}	2105	}
…		…
1930		2136
1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1932	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1933	}	2139	}
1934		2140
1935	# and all this just because we cannot iterate over
1936	# all maps in C++...
1937	sub change_all_map_light {
1938	my ($change) = @_;
1939
1940	$_->change_map_light ($change)
1941	for grep $_->outdoor, values %cf::MAP;
1942	}
1943
1944	sub decay_objects {	2141	sub decay_objects {
1945	my ($self) = @_;	2142	my ($self) = @_;
1946		2143
1947	return if $self->{deny_reset};	2144	return if $self->{deny_reset};
1948		2145
…		…
1973	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1974		2171
1975	1	2172	1
1976	}	2173	}
1977		2174
		2175	# used to laod the header of an original map
1978	sub load_header_orig {	2176	sub load_header_orig {
1979	my ($self) = @_;	2177	my ($self) = @_;
1980		2178
1981	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1982	}	2180	}
1983		2181
		2182	# used to laod the header of an instantiated map
1984	sub load_header_temp {	2183	sub load_header_temp {
1985	my ($self) = @_;	2184	my ($self) = @_;
1986		2185
1987	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1988	}	2187	}
1989		2188
		2189	# called after loading the header from an instantiated map
1990	sub prepare_temp {	2190	sub prepare_temp {
1991	my ($self) = @_;	2191	my ($self) = @_;
1992		2192
1993	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1994	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1995	# safety	2195	# safety
1996	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1997	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1998	}	2198	}
1999		2199
		2200	# called after loading the header from an original map
2000	sub prepare_orig {	2201	sub prepare_orig {
2001	my ($self) = @_;	2202	my ($self) = @_;
2002		2203
2003	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
2004	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2028		2229
2029	sub find;	2230	sub find;
2030	sub find {	2231	sub find {
2031	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
2032		2233
		2234	cf::cede_to_tick;
		2235
2033	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
2034		2237
2035	cf::lock_wait "map_data:$path";#d#remove	2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2036	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
2037		2240
2038	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2040	my $guard2 = cf::lock_acquire "map_find:$path";
2041
2042	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
2043	or return;	2243	or return;
2044		2244
2045	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
2046		2246
…		…
2058		2258
2059	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
2060	}	2260	}
2061	}	2261	}
2062		2262
2063	sub pre_load { }	2263	sub pre_load { }
2064	sub post_load { }	2264	#sub post_load { } # XS
2065		2265
2066	sub load {	2266	sub load {
2067	my ($self) = @_;	2267	my ($self) = @_;
2068		2268
2069	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2072		2272
2073	{	2273	{
2074	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
2075		2275
2076	return unless $self->valid;	2276	return unless $self->valid;
2077	return unless $self->in_memory == cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
2078
2079	$self->in_memory (cf::MAP_LOADING);
2080		2278
2081	$self->alloc;	2279	$self->alloc;
2082		2280
2083	$self->pre_load;	2281	$self->pre_load;
2084	cf::cede_to_tick;	2282	cf::cede_to_tick;
2085		2283
		2284	if (exists $self->{load_path}) {
2086	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
2087	$f->skip_block;	2286	$f->skip_block;
2088	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
2089	or return;	2288	or return;
2090		2289
2091	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
2092	if delete $self->{load_original};	2291	if delete $self->{load_original};
2093		2292
2094	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
2095	utf8::encode $uniq;	2294	utf8::encode $uniq;
2096	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
2097	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
2098	$self->clear_unique_items;	2297	$self->clear_unique_items;
2099	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
2100	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
2101	}	2301	}
2102	}	2302	}
2103	}
2104		2303
2105	$f->resolve_delayed_derefs;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
		2309
		2310	$self->state (cf::MAP_INACTIVE);
2106		2311
2107	cf::cede_to_tick;	2312	cf::cede_to_tick;
2108	# now do the right thing for maps	2313	# now do the right thing for maps
2109	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
2110	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
2114	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
2115	$self->decay_objects;	2320	$self->decay_objects;
2116	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
2117	$self->update_buttons;	2322	$self->update_buttons;
2118	cf::cede_to_tick;	2323	cf::cede_to_tick;
2119	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
2120	cf::cede_to_tick;
2121	$self->activate;
2122	}	2325	}
2123		2326
2124	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
2125	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
2126
2127	$self->in_memory (cf::MAP_ACTIVE);
2128	}	2329	}
2129		2330
2130	$self->post_load;	2331	$self->post_load;
2131	}
2132		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
2133	sub customise_for {	2339	sub customise_for {
2134	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
2135		2341
2136	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
2137	if $self->per_player;	2343	if $self->per_player;
…		…
2140	# if $self->per_party;	2346	# if $self->per_party;
2141		2347
2142	$self	2348	$self
2143	}	2349	}
2144		2350
2145	# find and load all maps in the 3x3 area around a map
2146	sub load_neighbours {
2147	my ($map) = @_;
2148
2149	my @neigh; # diagonal neighbours
2150
2151	for (0 .. 3) {
2152	my $neigh = $map->tile_path ($_)
2153	or next;
2154	$neigh = find $neigh, $map
2155	or next;
2156	$neigh->load;
2157
2158	push @neigh,
2159	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2160	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2161	}
2162
2163	for (grep defined $_->[0], @neigh) {
2164	my ($path, $origin) = @$_;
2165	my $neigh = find $path, $origin
2166	or next;
2167	$neigh->load;
2168	}
2169	}
2170
2171	sub find_sync {	2351	sub find_sync {
2172	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
2173		2353
2174	cf::sync_job { find $path, $origin }	2354	# it's a bug to call this from the main context
		2355	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2356	if $Coro::current == $Coro::main;
		2357
		2358	find $path, $origin
2175	}	2359	}
2176		2360
2177	sub do_load_sync {	2361	sub do_load_sync {
2178	my ($map) = @_;	2362	my ($map) = @_;
2179		2363
		2364	# it's a bug to call this from the main context
2180	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2181	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
2182		2367
2183	cf::sync_job { $map->load };	2368	$map->load;
2184	}	2369	}
2185		2370
2186	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
2187	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
2188		2373
2189	sub find_async {	2374	sub find_async {
2190	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
2191		2376
2192	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2193		2378
2194	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2195	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2380	return $map if !$load || $map->linkable;
2196	}	2381	}
2197		2382
2198	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2199		2384
2200	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
…		…
2214	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2215		2400
2216	()	2401	()
2217	}	2402	}
2218		2403
		2404	# common code, used by both ->save and ->swapout
2219	sub save {	2405	sub _save {
2220	my ($self) = @_;	2406	my ($self) = @_;
2221
2222	my $lock = cf::lock_acquire "map_data:$self->{path}";
2223		2407
2224	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2225		2409
2226	return unless $self->dirty;	2410	return unless $self->dirty;
2227		2411
…		…
2247	} else {	2431	} else {
2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2249	}	2433	}
2250	}	2434	}
2251		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2252	sub swap_out {	2444	sub swap_out {
2253	my ($self) = @_;	2445	my ($self) = @_;
2254		2446
2255	# save first because save cedes
2256	$self->save;
2257
2258	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2259		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2260	return if $self->players;	2451	return if $self->players;
2261	return if $self->in_memory != cf::MAP_ACTIVE;	2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
		2462	$self->clear;
		2463	}
		2464
		2465	sub reset_at {
		2466	my ($self) = @_;
		2467
		2468	# TODO: safety, remove and allow resettable per-player maps
2262	return if $self->{deny_save};	2469	return 1e99 if $self->{deny_reset};
2263		2470
		2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2472	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2473
		2474	$time + $to
		2475	}
		2476
		2477	sub should_reset {
		2478	my ($self) = @_;
		2479
		2480	$self->reset_at <= $cf::RUNTIME
		2481	}
		2482
		2483	sub reset {
		2484	my ($self) = @_;
		2485
		2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2487
		2488	return if $self->players;
		2489
		2490	cf::trace "resetting map ", $self->path, "\n";
		2491
2264	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
		2493
		2494	# need to save uniques path
		2495	unless ($self->{deny_save}) {
		2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2497
		2498	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2499	if $uniq;
		2500	}
		2501
		2502	delete $cf::MAP{$self->path};
2265		2503
2266	$self->deactivate;	2504	$self->deactivate;
2267	$_->clear_links_to ($self) for values %cf::MAP;	2505	$_->clear_links_to ($self) for values %cf::MAP;
2268	$self->clear;	2506	$self->clear;
2269	}
2270
2271	sub reset_at {
2272	my ($self) = @_;
2273
2274	# TODO: safety, remove and allow resettable per-player maps
2275	return 1e99 if $self->{deny_reset};
2276
2277	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2278	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2279
2280	$time + $to
2281	}
2282
2283	sub should_reset {
2284	my ($self) = @_;
2285
2286	$self->reset_at <= $cf::RUNTIME
2287	}
2288
2289	sub reset {
2290	my ($self) = @_;
2291
2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
2293
2294	return if $self->players;
2295
2296	warn "resetting map ", $self->path;
2297
2298	$self->in_memory (cf::MAP_SWAPPED);
2299
2300	# need to save uniques path
2301	unless ($self->{deny_save}) {
2302	my $uniq = $self->uniq_path; utf8::encode $uniq;
2303
2304	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2305	if $uniq;
2306	}
2307
2308	delete $cf::MAP{$self->path};
2309
2310	$self->deactivate;
2311	$_->clear_links_to ($self) for values %cf::MAP;
2312	$self->clear;
2313		2507
2314	$self->unlink_save;	2508	$self->unlink_save;
2315	$self->destroy;	2509	$self->destroy;
2316	}	2510	}
2317		2511
…		…
2325		2519
2326	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2327		2521
2328	$self->unlink_save;	2522	$self->unlink_save;
2329		2523
2330	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2331	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2332	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2333	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2334	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2335		2529
…		…
2392	: normalise $_	2586	: normalise $_
2393	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2394	]	2588	]
2395	}	2589	}
2396		2590
		2591	=item cf::map::static_maps
		2592
		2593	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2594	file in the shared directory excluding F</styles> and F</editor>). May
		2595	block.
		2596
		2597	=cut
		2598
		2599	sub static_maps() {
		2600	my @dirs = "";
		2601	my @maps;
		2602
		2603	while (@dirs) {
		2604	my $dir = shift @dirs;
		2605
		2606	next if $dir eq "/styles" || $dir eq "/editor";
		2607
		2608	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2609	or return;
		2610
		2611	for (@$files) {
		2612	s/\.map$// or next;
		2613	utf8::decode $_;
		2614	push @maps, "$dir/$_";
		2615	}
		2616
		2617	push @dirs, map "$dir/$_", @$dirs;
		2618	}
		2619
		2620	\@maps
		2621	}
		2622
2397	=back	2623	=back
2398		2624
2399	=head3 cf::object	2625	=head3 cf::object
2400		2626
2401	=cut	2627	=cut
…		…
2424		2650
2425	Creates and returns a persistent reference to an object that can be stored as a string.	2651	Creates and returns a persistent reference to an object that can be stored as a string.
2426		2652
2427	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2428		2654
2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
2430	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2431		2657
2432	=cut	2658	=cut
2433		2659
2434	sub deref {	2660	sub deref {
…		…
2466		2692
2467	our $SAY_CHANNEL = {	2693	our $SAY_CHANNEL = {
2468	id => "say",	2694	id => "say",
2469	title => "Map",	2695	title => "Map",
2470	reply => "say ",	2696	reply => "say ",
2471	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2472	};	2698	};
2473		2699
2474	our $CHAT_CHANNEL = {	2700	our $CHAT_CHANNEL = {
2475	id => "chat",	2701	id => "chat",
2476	title => "Chat",	2702	title => "Chat",
…		…
2531		2757
2532	=item $player_object->enter_link	2758	=item $player_object->enter_link
2533		2759
2534	Freezes the player and moves him/her to a special map (C<{link}>).	2760	Freezes the player and moves him/her to a special map (C<{link}>).
2535		2761
2536	The player should be reasonably safe there for short amounts of time. You	2762	The player should be reasonably safe there for short amounts of time (e.g.
2537	I<MUST> call C<leave_link> as soon as possible, though.	2763	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2764	though, as the player cannot control the character while it is on the link
		2765	map.
2538		2766
2539	Will never block.	2767	Will never block.
2540		2768
2541	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2542		2770
…		…
2562	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2563	my ($self) = @_;	2791	my ($self) = @_;
2564		2792
2565	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2566		2794
		2795	++$self->{_link_recursion};
		2796
2567	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2568		2798
2569	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2570	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2571		2801
2572	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2573	}	2803	}
2574		2804
2575	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2576	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2577		2807
…		…
2594	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2595	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2596		2826
2597	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2598	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2599	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2600		2830
2601	$map->load;	2831	$map->load;
2602	$map->load_neighbours;
2603		2832
2604	return unless $self->contr->active;	2833	return unless $self->contr->active;
2605	$self->activate_recursive;
2606		2834
2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2608	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2609	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2610		2842
		2843	}
		2844
2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2612		2846
2613	Moves the player to the given map-path and coordinates by first freezing	2847	Moves the player to the given map-path and coordinates by first freezing
2614	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2615	that has to return the map if sucecssful, and then unfreezes the player on	2849	that has to return the map if sucecssful, and then unfreezes the player on
2616	the new (success) or old (failed) map position. In either case, $done will	2850	the new (success) or old (failed) map position. In either case, $done will
…		…
2623		2857
2624	our $GOTOGEN;	2858	our $GOTOGEN;
2625		2859
2626	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2627	my ($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	}
2628		2868
2629	# 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
2630	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2631		2871
2632	$self->enter_link;	2872	$self->enter_link;
…		…
2652	($path, $x, $y) = (undef, undef, undef);	2892	($path, $x, $y) = (undef, undef, undef);
2653	}	2893	}
2654	}	2894	}
2655		2895
2656	my $map = eval {	2896	my $map = eval {
2657	my $map = defined $path ? cf::map::find $path : undef;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2658		2898
2659	if ($map) {	2899	if ($map) {
2660	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2661	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2662	} else {	2902	} else {
2663	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2664	}	2904	}
2665		2905
2666	$map	2906	$map
…		…
2674	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2675	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2676	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2677	}	2917	}
2678		2918
2679	$done->() if $done;	2919	$done->($self) if $done;
2680	})->prio (1);	2920	})->prio (1);
2681	}	2921	}
2682		2922
2683	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2684		2924
…		…
2752	$Coro::current->{desc} = "enter_exit";	2992	$Coro::current->{desc} = "enter_exit";
2753		2993
2754	unless (eval {	2994	unless (eval {
2755	$self->deactivate_recursive; # just to be sure	2995	$self->deactivate_recursive; # just to be sure
2756		2996
2757	# random map handling
2758	{
2759	my $guard = cf::lock_acquire "exit_prepare:$exit";
2760
2761	prepare_random_map $exit
2762	if $exit->slaying eq "/!";
2763	}
2764
2765	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
2766	my $x = $exit->stats->hp;	2998	my $x = $exit->stats->hp;
2767	my $y = $exit->stats->sp;	2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
2768		3023
2769	$self->goto ($map, $x, $y);	3024	$self->goto ($map, $x, $y);
2770		3025
2771	# if exit is damned, update players death & WoR home-position	3026	# if exit is damned, update players death & WoR home-position
2772	$self->contr->savebed ($map, $x, $y)	3027	$self->contr->savebed ($map, $x, $y)
2773	if $exit->flag (cf::FLAG_DAMNED);	3028	if $exit->flag (cf::FLAG_DAMNED);
2774		3029
2775	1	3030	1
2776	}) {	3031	}) {
2777	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2778	. "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. "
2779	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2780	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2781		3036
2782	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2783	$self->leave_link;	3038	$self->leave_link;
2784	}	3039	}
2785	})->prio (1);	3040	})->prio (1);
2786	}	3041	}
2787		3042
…		…
2798		3053
2799	sub cf::client::send_drawinfo {	3054	sub cf::client::send_drawinfo {
2800	my ($self, $text, $flags) = @_;	3055	my ($self, $text, $flags) = @_;
2801		3056
2802	utf8::encode $text;	3057	utf8::encode $text;
2803	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3058	$self->send_packet (sprintf "msg %d log %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);
2804	}	3084	}
2805		3085
2806	=item $client->send_msg ($channel, $msg, $color, [extra...])	3086	=item $client->send_msg ($channel, $msg, $color, [extra...])
2807		3087
2808	Send a drawinfo or msg packet to the client, formatting the msg for the	3088	Send a msg packet to the client, formatting the msg for the client if
2809	client if neccessary. C<$type> should be a string identifying the type of	3089	necessary. C<$type> should be a string identifying the type of the
2810	the message, with C<log> being the default. If C<$color> is negative, suppress	3090	message, with C<log> being the default. If C<$color> is negative, suppress
2811	the message unless the client supports the msg packet.	3091	the message unless the client supports the msg packet.
2812		3092
2813	=cut	3093	=cut
2814		3094
2815	# non-persistent channels (usually the info channel)	3095	# non-persistent channels (usually the info channel)
2816	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	},
2817	"c/identify" => {	3103	"c/identify" => {
2818	id => "infobox",	3104	id => "infobox",
2819	title => "Identify",	3105	title => "Identify",
2820	reply => undef,	3106	reply => undef,
2821	tooltip => "Items recently identified",	3107	tooltip => "Items recently identified",
…		…
2823	"c/examine" => {	3109	"c/examine" => {
2824	id => "infobox",	3110	id => "infobox",
2825	title => "Examine",	3111	title => "Examine",
2826	reply => undef,	3112	reply => undef,
2827	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",
2828	},	3120	},
2829	"c/book" => {	3121	"c/book" => {
2830	id => "infobox",	3122	id => "infobox",
2831	title => "Book",	3123	title => "Book",
2832	reply => undef,	3124	reply => undef,
…		…
2848	id => "infobox",	3140	id => "infobox",
2849	title => "Body Parts",	3141	title => "Body Parts",
2850	reply => undef,	3142	reply => undef,
2851	tooltip => "Shows which body parts you posess and are available",	3143	tooltip => "Shows which body parts you posess and are available",
2852	},	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	},
2853	"c/uptime" => {	3181	"c/uptime" => {
2854	id => "infobox",	3182	id => "infobox",
2855	title => "Uptime",	3183	title => "Uptime",
2856	reply => undef,	3184	reply => undef,
2857	tooltip => "How long the server has been running since last restart",	3185	tooltip => "How long the server has been running since last restart",
…		…
2866	id => "party",	3194	id => "party",
2867	title => "Party",	3195	title => "Party",
2868	reply => "gsay ",	3196	reply => "gsay ",
2869	tooltip => "Messages and chat related to your party",	3197	tooltip => "Messages and chat related to your party",
2870	},	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" => $CHAT_CHANNEL,
2871	);	3213	);
2872		3214
2873	sub cf::client::send_msg {	3215	sub cf::client::send_msg {
2874	my ($self, $channel, $msg, $color, @extra) = @_;	3216	my ($self, $channel, $msg, $color, @extra) = @_;
2875		3217
2876	$msg = $self->pl->expand_cfpod ($msg);	3218	$msg = $self->pl->expand_cfpod ($msg)
		3219	unless $color & cf::NDI_VERBATIM;
2877		3220
2878	$color &= cf::NDI_CLIENT_MASK; # just in case...	3221	$color &= cf::NDI_CLIENT_MASK; # just in case...
2879		3222
2880	# check predefined channels, for the benefit of C	3223	# check predefined channels, for the benefit of C
2881	if ($CHANNEL{$channel}) {	3224	if ($CHANNEL{$channel}) {
2882	$channel = $CHANNEL{$channel};	3225	$channel = $CHANNEL{$channel};
2883		3226
2884	$self->ext_msg (channel_info => $channel)	3227	$self->ext_msg (channel_info => $channel);
2885	if $self->can_msg;
2886
2887	$channel = $channel->{id};	3228	$channel = $channel->{id};
2888		3229
2889	} elsif (ref $channel) {	3230	} elsif (ref $channel) {
2890	# send meta info to client, if not yet sent	3231	# send meta info to client, if not yet sent
2891	unless (exists $self->{channel}{$channel->{id}}) {	3232	unless (exists $self->{channel}{$channel->{id}}) {
2892	$self->{channel}{$channel->{id}} = $channel;	3233	$self->{channel}{$channel->{id}} = $channel;
2893	$self->ext_msg (channel_info => $channel)	3234	$self->ext_msg (channel_info => $channel);
2894	if $self->can_msg;
2895	}	3235	}
2896		3236
2897	$channel = $channel->{id};	3237	$channel = $channel->{id};
2898	}	3238	}
2899		3239
2900	return unless @extra || length $msg;	3240	return unless @extra || length $msg;
2901		3241
2902	if ($self->can_msg) {
2903	# default colour, mask it out	3242	# default colour, mask it out
2904	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3243	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2905	if $color & cf::NDI_DEF;	3244	if $color & cf::NDI_DEF;
2906		3245
2907	$self->send_packet ("msg " . $self->{json_coder}->encode (	3246	my $pkt = "msg "
		3247	. $self->{json_coder}->encode (
2908	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3248	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2909	} else {	3249	);
2910	if ($color >= 0) {
2911	# replace some tags by gcfclient-compatible ones
2912	for ($msg) {
2913	1 while
2914	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2915	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2916	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2917	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2918	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2919	}
2920		3250
2921	$color &= cf::NDI_COLOR_MASK;	3251	$self->send_big_packet ($pkt);
2922
2923	utf8::encode $msg;
2924
2925	if (0 && $msg =~ /\[/) {
2926	# COMMAND/INFO
2927	$self->send_packet ("drawextinfo $color 10 8 $msg")
2928	} else {
2929	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2930	$self->send_packet ("drawinfo $color $msg")
2931	}
2932	}
2933	}
2934	}	3252	}
2935		3253
2936	=item $client->ext_msg ($type, @msg)	3254	=item $client->ext_msg ($type, @msg)
2937		3255
2938	Sends an ext event to the client.	3256	Sends an ext event to the client.
…		…
2940	=cut	3258	=cut
2941		3259
2942	sub cf::client::ext_msg($$@) {	3260	sub cf::client::ext_msg($$@) {
2943	my ($self, $type, @msg) = @_;	3261	my ($self, $type, @msg) = @_;
2944		3262
2945	if ($self->extcmd == 2) {
2946	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3263	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2947	} elsif ($self->extcmd == 1) { # TODO: remove
2948	push @msg, msgtype => "event_$type";
2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2950	}
2951	}
2952
2953	=item $client->ext_reply ($msgid, @msg)
2954
2955	Sends an ext reply to the client.
2956
2957	=cut
2958
2959	sub cf::client::ext_reply($$@) {
2960	my ($self, $id, @msg) = @_;
2961
2962	if ($self->extcmd == 2) {
2963	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2964	} elsif ($self->extcmd == 1) {
2965	#TODO: version 1, remove
2966	unshift @msg, msgtype => "reply", msgid => $id;
2967	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2968	}
2969	}	3264	}
2970		3265
2971	=item $success = $client->query ($flags, "text", \&cb)	3266	=item $success = $client->query ($flags, "text", \&cb)
2972		3267
2973	Queues a query to the client, calling the given callback with	3268	Queues a query to the client, calling the given callback with
…		…
3028	my ($ns, $buf) = @_;	3323	my ($ns, $buf) = @_;
3029		3324
3030	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3325	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3031		3326
3032	if (ref $msg) {	3327	if (ref $msg) {
3033	my ($type, $reply, @payload) =	3328	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3034	"ARRAY" eq ref $msg
3035	? @$msg
3036	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3037		3329
3038	my @reply;
3039
3040	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}) {
3041	@reply = $cb->($ns, @payload);	3343	@reply = $cb->($ns, @payload);
		3344	}
		3345
		3346	$ns->ext_msg ("reply-$reply", @reply)
		3347	if $reply;
3042	}	3348	}
3043
3044	$ns->ext_reply ($reply, @reply)
3045	if $reply;
3046
3047	} else {	3349	} else {
3048	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";
3049	}	3351	}
3050		3352
3051	cf::override;	3353	cf::override;
3052	},	3354	},
3053	);	3355	);
…		…
3073		3375
3074	$coro	3376	$coro
3075	}	3377	}
3076		3378
3077	cf::client->attach (	3379	cf::client->attach (
3078	on_destroy => sub {	3380	on_client_destroy => sub {
3079	my ($ns) = @_;	3381	my ($ns) = @_;
3080		3382
3081	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3383	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3082	},	3384	},
3083	);	3385	);
…		…
3099	our $safe_hole = new Safe::Hole;	3401	our $safe_hole = new Safe::Hole;
3100		3402
3101	$SIG{FPE} = 'IGNORE';	3403	$SIG{FPE} = 'IGNORE';
3102		3404
3103	$safe->permit_only (Opcode::opset qw(	3405	$safe->permit_only (Opcode::opset qw(
3104	:base_core :base_mem :base_orig :base_math	3406	:base_core :base_mem :base_orig :base_math :base_loop
3105	grepstart grepwhile mapstart mapwhile	3407	grepstart grepwhile mapstart mapwhile
3106	sort time	3408	sort time
3107	));	3409	));
3108		3410
3109	# here we export the classes and methods available to script code	3411	# here we export the classes and methods available to script code
…		…
3113	The following functions and methods are available within a safe environment:	3415	The following functions and methods are available within a safe environment:
3114		3416
3115	cf::object	3417	cf::object
3116	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
3117	insert remove name archname title slaying race decrease split	3419	insert remove name archname title slaying race decrease split
		3420	value
3118		3421
3119	cf::object::player	3422	cf::object::player
3120	player	3423	player
3121		3424
3122	cf::player	3425	cf::player
…		…
3128	=cut	3431	=cut
3129		3432
3130	for (	3433	for (
3131	["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
3132	insert remove inv nrof name archname title slaying race	3435	insert remove inv nrof name archname title slaying race
3133	decrease split destroy change_exp)],	3436	decrease split destroy change_exp value msg lore send_msg)],
3134	["cf::object::player" => qw(player)],	3437	["cf::object::player" => qw(player)],
3135	["cf::player" => qw(peaceful)],	3438	["cf::player" => qw(peaceful send_msg)],
3136	["cf::map" => qw(trigger)],	3439	["cf::map" => qw(trigger)],
3137	) {	3440	) {
3138	no strict 'refs';
3139	my ($pkg, @funs) = @$_;	3441	my ($pkg, @funs) = @$_;
3140	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3442	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3141	for @funs;	3443	for @funs;
3142	}	3444	}
3143		3445
…		…
3158		3460
3159	my $qcode = $code;	3461	my $qcode = $code;
3160	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3462	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3161	$qcode =~ s/\n/\\n/g;	3463	$qcode =~ s/\n/\\n/g;
3162		3464
		3465	%vars = (_dummy => 0) unless %vars;
		3466
		3467	my @res;
3163	local $_;	3468	local $_;
3164	local @safe::cf::_safe_eval_args = values %vars;
3165		3469
3166	my $eval =	3470	my $eval =
3167	"do {\n"	3471	"do {\n"
3168	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3472	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3169	. "#line 0 \"{$qcode}\"\n"	3473	. "#line 0 \"{$qcode}\"\n"
3170	. $code	3474	. $code
3171	. "\n}"	3475	. "\n}"
3172	;	3476	;
3173		3477
		3478	if ($CFG{safe_eval}) {
3174	sub_generation_inc;	3479	sub_generation_inc;
		3480	local @safe::cf::_safe_eval_args = values %vars;
3175	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3481	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3176	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	}
3177		3487
3178	if ($@) {	3488	if ($@) {
3179	warn "$@";	3489	warn "$@",
3180	warn "while executing safe code '$code'\n";	3490	"while executing safe code '$code'\n",
3181	warn "with arguments " . (join " ", %vars) . "\n";	3491	"with arguments " . (join " ", %vars) . "\n";
3182	}	3492	}
3183		3493
3184	wantarray ? @res : $res[0]	3494	wantarray ? @res : $res[0]
3185	}	3495	}
3186		3496
…		…
3200	=cut	3510	=cut
3201		3511
3202	sub register_script_function {	3512	sub register_script_function {
3203	my ($fun, $cb) = @_;	3513	my ($fun, $cb) = @_;
3204		3514
3205	no strict 'refs';	3515	$fun = "safe::$fun" if $CFG{safe_eval};
3206	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3516	*$fun = $safe_hole->wrap ($cb);
3207	}	3517	}
3208		3518
3209	=back	3519	=back
3210		3520
3211	=cut	3521	=cut
3212		3522
3213	#############################################################################	3523	#############################################################################
3214	# the server's init and main functions	3524	# the server's init and main functions
3215		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_csum $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, $_[0]);
		3599	};
		3600	}
		3601	}
		3602
3216	sub load_facedata($) {	3603	sub load_facedata($) {
3217	my ($path) = @_;	3604	my ($path) = @_;
3218		3605
3219	# HACK to clear player env face cache, we need some signal framework
3220	# for this (global event?)
3221	%ext::player_env::MUSIC_FACE_CACHE = ();
3222
3223	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3606	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3224		3607
3225	warn "loading facedata from $path\n";	3608	trace "loading facedata from $path\n";
3226		3609
3227	my $facedata;	3610	my $facedata = decode_storable load_file "$path/faceinfo";
3228	0 < aio_load $path, $facedata
3229	or die "$path: $!";
3230
3231	$facedata = Coro::Storable::thaw $facedata;
3232		3611
3233	$facedata->{version} == 2	3612	$facedata->{version} == 2
3234	or cf::cleanup "$path: version mismatch, cannot proceed.";	3613	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3235		3614
3236	# patch in the exptable	3615	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3237	$facedata->{resource}{"res/exp_table"} = {	3616	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3238	type => FT_RSRC,	3617
3239	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
3240	};	3619
3241	cf::cede_to_tick;	3620	# BEGIN ATOMIC
		3621	# from here on, everything must be atomic - no thread switch allowed
		3622	my $t1 = EV::time;
3242		3623
3243	{	3624	{
3244	my $faces = $facedata->{faceinfo};	3625	my $faces = $facedata->{faceinfo};
3245		3626
3246	while (my ($face, $info) = each %$faces) {	3627	for my $face (sort keys %$faces) {
		3628	my $info = $faces->{$face};
3247	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3629	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3248		3630
3249	cf::face::set_visibility $idx, $info->{visibility};	3631	cf::face::set_visibility $idx, $info->{visibility};
3250	cf::face::set_magicmap $idx, $info->{magicmap};	3632	cf::face::set_magicmap $idx, $info->{magicmap};
3251	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};
3252	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};
3253		3635	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3254	cf::cede_to_tick;	3636	$cf::face::HASH{$info->{hash64}} = $idx;
		3637	delete $cf::face::META[$idx];
3255	}	3638	}
3256		3639
3257	while (my ($face, $info) = each %$faces) {	3640	while (my ($face, $info) = each %$faces) {
3258	next unless $info->{smooth};	3641	next unless $info->{smooth};
3259		3642
…		…
3262		3645
3263	if (my $smooth = cf::face::find $info->{smooth}) {	3646	if (my $smooth = cf::face::find $info->{smooth}) {
3264	cf::face::set_smooth $idx, $smooth;	3647	cf::face::set_smooth $idx, $smooth;
3265	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3648	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3266	} else {	3649	} else {
3267	warn "smooth face '$info->{smooth}' not found for face '$face'";	3650	error "smooth face '$info->{smooth}' not found for face '$face'";
3268	}	3651	}
3269
3270	cf::cede_to_tick;
3271	}	3652	}
3272	}	3653	}
3273		3654
3274	{	3655	{
3275	my $anims = $facedata->{animinfo};	3656	my $anims = $facedata->{animinfo};
3276		3657
3277	while (my ($anim, $info) = each %$anims) {	3658	while (my ($anim, $info) = each %$anims) {
3278	cf::anim::set $anim, $info->{frames}, $info->{facings};	3659	cf::anim::set $anim, $info->{frames}, $info->{facings};
3279	cf::cede_to_tick;
3280	}	3660	}
3281		3661
3282	cf::anim::invalidate_all; # d'oh	3662	cf::anim::invalidate_all; # d'oh
3283	}	3663	}
3284		3664
3285	{	3665	{
3286	# TODO: for gcfclient pleasure, we should give resources
3287	# that gcfclient doesn't grok a >10000 face index.
3288	my $res = $facedata->{resource};	3666	my $res = $facedata->{resource};
3289		3667
3290	while (my ($name, $info) = each %$res) {	3668	while (my ($name, $info) = each %$res) {
3291	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
3292	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3671	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3293	my $data;
3294		3672
3295	if ($info->{type} & 1) {
3296	# prepend meta info
3297
3298	my $meta = $enc->encode ({
3299	name => $name,
3300	%{ $info->{meta} || {} },
3301	});
3302
3303	$data = pack "(w/a*)*", $meta, $info->{data};
3304	} else {
3305	$data = $info->{data};
3306	}
3307
3308	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3309	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;
3310	} else {	3679	} else {
3311	$RESOURCE{$name} = $info;	3680	# $RESOURCE{$name} = $info; # unused
3312	}	3681	}
3313
3314	cf::cede_to_tick;
3315	}	3682	}
3316	}	3683	}
		3684
		3685	($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;
3317		3694
3318	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3695	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3319		3696
		3697	aio_close $fh if $fh; # close old facedata
		3698
3320	1	3699	1
3321	}	3700	}
3322
3323	cf::global->attach (on_resource_update => sub {
3324	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3325	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3326
3327	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3328	my $sound = $soundconf->{compat}[$_]
3329	or next;
3330
3331	my $face = cf::face::find "sound/$sound->[1]";
3332	cf::sound::set $sound->[0] => $face;
3333	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3334	}
3335
3336	while (my ($k, $v) = each %{$soundconf->{event}}) {
3337	my $face = cf::face::find "sound/$v";
3338	cf::sound::set $k => $face;
3339	}
3340	}
3341	});
3342		3701
3343	register_exticmd fx_want => sub {	3702	register_exticmd fx_want => sub {
3344	my ($ns, $want) = @_;	3703	my ($ns, $want) = @_;
3345		3704
3346	while (my ($k, $v) = each %$want) {	3705	while (my ($k, $v) = each %$want) {
…		…
3354	my $status = load_resource_file_ $_[0];	3713	my $status = load_resource_file_ $_[0];
3355	get_slot 0.1, 100;	3714	get_slot 0.1, 100;
3356	cf::arch::commit_load;	3715	cf::arch::commit_load;
3357		3716
3358	$status	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;
3359	}	3732	}
3360		3733
3361	sub reload_regions {	3734	sub reload_regions {
3362	# 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
3363	# for this (global event?)	3736	# for this (global event?)
…		…
3371	if exists $_->{match};	3744	if exists $_->{match};
3372	}	3745	}
3373	}	3746	}
3374		3747
3375	sub reload_facedata {	3748	sub reload_facedata {
3376	load_facedata "$DATADIR/facedata"	3749	load_facedata $DATADIR
3377	or die "unable to load facedata\n";	3750	or die "unable to load facedata\n";
3378	}	3751	}
3379		3752
3380	sub reload_archetypes {	3753	sub reload_archetypes {
3381	load_resource_file "$DATADIR/archetypes"	3754	load_resource_file "$DATADIR/archetypes"
3382	or die "unable to load archetypes\n";	3755	or die "unable to load archetypes\n";
		3756
		3757	cf::face::set
		3758	"res/skill_info" => FT_RSRC,
		3759	JSON::XS->new->utf8->canonical->encode (
		3760	[map [cf::arch::skillvec ($_)->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 ($_)], 0 .. NRSPELLPATHS - 1]
		3767	);
3383	}	3768	}
3384		3769
3385	sub reload_treasures {	3770	sub reload_treasures {
3386	load_resource_file "$DATADIR/treasures"	3771	load_resource_file "$DATADIR/treasures"
3387	or die "unable to load treasurelists\n";	3772	or die "unable to load treasurelists\n";
3388	}	3773	}
3389		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
3390	sub reload_resources {	3795	sub reload_resources {
3391	warn "reloading resource files...\n";	3796	trace "reloading resource files...\n";
3392		3797
		3798	reload_materials;
3393	reload_facedata;	3799	reload_facedata;
		3800	reload_exp_table;
		3801	reload_sound;
3394	reload_archetypes;	3802	reload_archetypes;
3395	reload_regions;	3803	reload_regions;
3396	reload_treasures;	3804	reload_treasures;
3397		3805
3398	warn "finished reloading resource files\n";	3806	trace "finished reloading resource files\n";
3399	}
3400
3401	sub init {
3402	my $guard = freeze_mainloop;
3403
3404	evthread_start IO::AIO::poll_fileno;
3405
3406	reload_resources;
3407	}	3807	}
3408		3808
3409	sub reload_config {	3809	sub reload_config {
3410	open my $fh, "<:utf8", "$CONFDIR/config"	3810	trace "reloading config file...\n";
3411	or return;
3412		3811
3413	local $/;	3812	my $config = load_file "$CONFDIR/config";
3414	*CFG = YAML::Load <$fh>;	3813	utf8::decode $config;
		3814	*CFG = decode_yaml $config;
3415		3815
3416	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3816	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3417		3817
3418	$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};
3419	$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};
3420		3820
3421	if (exists $CFG{mlockall}) {	3821	if (exists $CFG{mlockall}) {
…		…
3425	};	3825	};
3426	warn $@ if $@;	3826	warn $@ if $@;
3427	}	3827	}
3428	}	3828	}
3429		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
3430	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
3431	# we must not ever block the main coroutine	3868	# we must not ever block the main coroutine
3432	local $Coro::idle = sub {	3869	$Coro::idle = sub {
3433	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#
3434	(async {	3871	(async {
3435	$Coro::current->{desc} = "IDLE BUG HANDLER";	3872	$Coro::current->{desc} = "IDLE BUG HANDLER";
3436	EV::loop EV::LOOP_ONESHOT;	3873	EV::loop EV::LOOP_ONESHOT;
3437	})->prio (Coro::PRIO_MAX);	3874	})->prio (Coro::PRIO_MAX);
3438	};	3875	};
3439		3876
3440	{	3877	evthread_start IO::AIO::poll_fileno;
3441	my $guard = freeze_mainloop;	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;
3442	reload_config;	3891	reload_config;
3443	db_init;	3892
		3893	cf::init_uuid;
		3894	cf::init_signals;
		3895	cf::init_skills;
		3896
		3897	cf::init_beforeplay;
		3898
		3899	atomic;
		3900
3444	load_extensions;	3901	load_extensions;
3445		3902
3446	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	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;
3447	}	3910	};
3448		3911
3449	EV::loop;	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;
3450	}	3920	}
3451		3921
3452	#############################################################################	3922	#############################################################################
3453	# initialisation and cleanup	3923	# initialisation and cleanup
3454		3924
3455	# install some emergency cleanup handlers	3925	# install some emergency cleanup handlers
3456	BEGIN {	3926	BEGIN {
3457	our %SIGWATCHER = ();	3927	our %SIGWATCHER = ();
3458	for my $signal (qw(INT HUP TERM)) {	3928	for my $signal (qw(INT HUP TERM)) {
3459	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3929	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3460	cf::cleanup "SIG$signal";	3930	cf::cleanup "SIG$signal";
3461	};	3931	};
3462	}	3932	}
3463	}	3933	}
3464		3934
3465	sub write_runtime_sync {	3935	sub write_runtime_sync {
3466	my $runtime = "$LOCALDIR/runtime";	3936	my $t0 = AE::time;
3467		3937
3468	# first touch the runtime file to show we are still running:	3938	# first touch the runtime file to show we are still running:
3469	# the fsync below can take a very very long time.	3939	# the fsync below can take a very very long time.
3470		3940
3471	IO::AIO::aio_utime $runtime, undef, undef;	3941	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3472		3942
3473	my $guard = cf::lock_acquire "write_runtime";	3943	my $guard = cf::lock_acquire "write_runtime";
3474		3944
3475	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3945	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3476	or return;	3946	or return;
3477		3947
3478	my $value = $cf::RUNTIME + 90 + 10;	3948	my $value = $cf::RUNTIME + 90 + 10;
3479	# 10 is the runtime save interval, for a monotonic clock	3949	# 10 is the runtime save interval, for a monotonic clock
3480	# 60 allows for the watchdog to kill the server.	3950	# 60 allows for the watchdog to kill the server.
…		…
3490	aio_utime $fh, undef, undef;	3960	aio_utime $fh, undef, undef;
3491		3961
3492	close $fh	3962	close $fh
3493	or return;	3963	or return;
3494		3964
3495	aio_rename "$runtime~", $runtime	3965	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3496	and return;	3966	and return;
3497		3967
3498	warn "runtime file written.\n";	3968	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3499		3969
3500	1	3970	1
3501	}	3971	}
3502		3972
3503	our $uuid_lock;	3973	our $uuid_lock;
…		…
3512	my $uuid = "$LOCALDIR/uuid";	3982	my $uuid = "$LOCALDIR/uuid";
3513		3983
3514	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3984	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3515	or return;	3985	or return;
3516		3986
3517	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;
3518	$uuid_skip = 0;	3995	$uuid_skip = 0;
3519		3996
3520	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3997	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3521	and return;	3998	and return;
3522		3999
…		…
3528	or return;	4005	or return;
3529		4006
3530	aio_rename "$uuid~", $uuid	4007	aio_rename "$uuid~", $uuid
3531	and return;	4008	and return;
3532		4009
3533	warn "uuid file written ($value).\n";	4010	trace "uuid file written ($value).\n";
3534		4011
3535	1	4012	1
3536		4013
3537	}	4014	}
3538		4015
…		…
3544	}	4021	}
3545		4022
3546	sub emergency_save() {	4023	sub emergency_save() {
3547	my $freeze_guard = cf::freeze_mainloop;	4024	my $freeze_guard = cf::freeze_mainloop;
3548		4025
3549	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;
3550		4032
3551	cf::sync_job {	4033	cf::sync_job {
		4034	cf::write_runtime_sync; # external watchdog should not bark
		4035
3552	# use a peculiar iteration method to avoid tripping on perl	4036	# use a peculiar iteration method to avoid tripping on perl
3553	# refcount bugs in for. also avoids problems with players	4037	# refcount bugs in for. also avoids problems with players
3554	# and maps saved/destroyed asynchronously.	4038	# and maps saved/destroyed asynchronously.
3555	warn "begin emergency player save\n";	4039	info "emergency_perl_save: begin player save\n";
3556	for my $login (keys %cf::PLAYER) {	4040	for my $login (keys %cf::PLAYER) {
3557	my $pl = $cf::PLAYER{$login} or next;	4041	my $pl = $cf::PLAYER{$login} or next;
3558	$pl->valid or next;	4042	$pl->valid or next;
3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4043	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3560	$pl->save;	4044	$pl->save;
3561	}	4045	}
3562	warn "end emergency player save\n";	4046	info "emergency_perl_save: end player save\n";
3563		4047
3564	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";
3565	for my $path (keys %cf::MAP) {	4051	for my $path (keys %cf::MAP) {
3566	my $map = $cf::MAP{$path} or next;	4052	my $map = $cf::MAP{$path} or next;
3567	$map->valid or next;	4053	$map->valid or next;
3568	$map->save;	4054	$map->save;
3569	}	4055	}
3570	warn "end emergency map save\n";	4056	info "emergency_perl_save: end map save\n";
3571		4057
3572	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";
3573	BDB::db_env_txn_checkpoint $DB_ENV;	4061	BDB::db_env_txn_checkpoint $DB_ENV;
3574	warn "end emergency database checkpoint\n";	4062	info "emergency_perl_save: end database checkpoint\n";
3575		4063
3576	warn "begin write uuid\n";	4064	info "emergency_perl_save: begin write uuid\n";
3577	write_uuid_sync 1;	4065	write_uuid_sync 1;
3578	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
3579	};	4086	};
3580		4087
3581	warn "leave emergency perl save\n";	4088	info "emergency_perl_save: leave\n";
3582	}	4089	}
3583		4090
3584	sub post_cleanup {	4091	sub post_cleanup {
3585	my ($make_core) = @_;	4092	my ($make_core) = @_;
3586		4093
		4094	IO::AIO::flush;
		4095
3587	warn Carp::longmess "post_cleanup backtrace"	4096	error Carp::longmess "post_cleanup backtrace"
3588	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	}
3589	}	4126	}
3590		4127
3591	sub do_reload_perl() {	4128	sub do_reload_perl() {
3592	# can/must only be called in main	4129	# can/must only be called in main
3593	if ($Coro::current != $Coro::main) {	4130	unless (in_main) {
3594	warn "can only reload from main coroutine";	4131	error "can only reload from main coroutine";
3595	return;	4132	return;
3596	}	4133	}
3597		4134
3598	warn "reloading...";	4135	return if $RELOAD++;
3599		4136
3600	warn "entering sync_job";	4137	my $t1 = AE::time;
3601		4138
		4139	while ($RELOAD) {
		4140	cf::get_slot 0.1, -1, "reload_perl";
		4141	info "perl_reload: reloading...";
		4142
		4143	trace "perl_reload: entering sync_job";
		4144
3602	cf::sync_job {	4145	cf::sync_job {
3603	cf::write_runtime_sync; # external watchdog should not bark
3604	cf::emergency_save;	4146	#cf::emergency_save;
3605	cf::write_runtime_sync; # external watchdog should not bark
3606		4147
3607	warn "syncing database to disk";
3608	BDB::db_env_txn_checkpoint $DB_ENV;
3609
3610	# if anything goes wrong in here, we should simply crash as we already saved
3611
3612	warn "flushing outstanding aio requests";
3613	for (;;) {
3614	BDB::flush;
3615	IO::AIO::flush;
3616	Coro::cede_notself;
3617	last unless IO::AIO::nreqs || BDB::nreqs;
3618	warn "iterate...";
3619	}
3620
3621	++$RELOAD;
3622
3623	warn "cancelling all extension coros";	4148	trace "perl_reload: cancelling all extension coros";
3624	$_->cancel for values %EXT_CORO;	4149	$_->cancel for values %EXT_CORO;
3625	%EXT_CORO = ();	4150	%EXT_CORO = ();
3626		4151
3627	warn "removing commands";	4152	trace "perl_reload: removing commands";
3628	%COMMAND = ();	4153	%COMMAND = ();
3629		4154
3630	warn "removing ext/exti commands";	4155	trace "perl_reload: removing ext/exti commands";
3631	%EXTCMD = ();	4156	%EXTCMD = ();
3632	%EXTICMD = ();	4157	%EXTICMD = ();
3633		4158
3634	warn "unloading/nuking all extensions";	4159	trace "perl_reload: unloading/nuking all extensions";
3635	for my $pkg (@EXTS) {	4160	for my $pkg (@EXTS) {
3636	warn "... unloading $pkg";	4161	trace "... unloading $pkg";
3637		4162
3638	if (my $cb = $pkg->can ("unload")) {	4163	if (my $cb = $pkg->can ("unload")) {
3639	eval {	4164	eval {
3640	$cb->($pkg);	4165	$cb->($pkg);
3641	1	4166	1
3642	} 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;
3643	}	4172	}
3644		4173
3645	warn "... nuking $pkg";
3646	Symbol::delete_package $pkg;
3647	}
3648
3649	warn "unloading all perl modules loaded from $LIBDIR";	4174	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3650	while (my ($k, $v) = each %INC) {	4175	while (my ($k, $v) = each %INC) {
3651	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4176	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3652		4177
3653	warn "... unloading $k";	4178	trace "... unloading $k";
3654	delete $INC{$k};	4179	delete $INC{$k};
3655		4180
3656	$k =~ s/\.pm$//;	4181	$k =~ s/\.pm$//;
3657	$k =~ s/\//::/g;	4182	$k =~ s/\//::/g;
3658		4183
3659	if (my $cb = $k->can ("unload_module")) {	4184	if (my $cb = $k->can ("unload_module")) {
3660	$cb->();	4185	$cb->();
		4186	}
		4187
		4188	clear_package $k;
3661	}	4189	}
3662		4190
3663	Symbol::delete_package $k;
3664	}
3665
3666	warn "getting rid of safe::, as good as possible";	4191	trace "perl_reload: getting rid of safe::, as good as possible";
3667	Symbol::delete_package "safe::$_"	4192	clear_package "safe::$_"
3668	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);
3669		4194
3670	warn "unloading cf.pm \"a bit\"";	4195	trace "perl_reload: unloading cf.pm \"a bit\"";
3671	delete $INC{"cf.pm"};	4196	delete $INC{"cf.pm"};
3672	delete $INC{"cf/pod.pm"};	4197	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3673		4198
3674	# don't, removes xs symbols, too,	4199	# don't, removes xs symbols, too,
3675	# and global variables created in xs	4200	# and global variables created in xs
3676	#Symbol::delete_package __PACKAGE__;	4201	#clear_package __PACKAGE__;
3677		4202
3678	warn "unload completed, starting to reload now";	4203	info "perl_reload: unload completed, starting to reload now";
3679		4204
3680	warn "reloading cf.pm";	4205	trace "perl_reload: reloading cf.pm";
3681	require cf;	4206	require cf;
3682	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4207	cf::_connect_to_perl_1;
3683		4208
3684	warn "loading config and database again";	4209	trace "perl_reload: loading config and database again";
3685	cf::reload_config;	4210	cf::reload_config;
3686		4211
3687	warn "loading extensions";	4212	trace "perl_reload: loading extensions";
3688	cf::load_extensions;	4213	cf::load_extensions;
3689		4214
		4215	if ($REATTACH_ON_RELOAD) {
3690	warn "reattaching attachments to objects/players";	4216	trace "perl_reload: reattaching attachments to objects/players";
3691	_global_reattach; # objects, sockets	4217	_global_reattach; # objects, sockets
3692	warn "reattaching attachments to maps";	4218	trace "perl_reload: reattaching attachments to maps";
3693	reattach $_ for values %MAP;	4219	reattach $_ for values %MAP;
3694	warn "reattaching attachments to players";	4220	trace "perl_reload: reattaching attachments to players";
3695	reattach $_ for values %PLAYER;	4221	reattach $_ for values %PLAYER;
		4222	}
3696		4223
3697	warn "leaving sync_job";	4224	cf::_post_init 1;
3698		4225
		4226	trace "perl_reload: leaving sync_job";
		4227
3699	1	4228	1
3700	} or do {	4229	} or do {
3701	warn $@;	4230	error $@;
3702	cf::cleanup "error while reloading, exiting.";	4231	cf::cleanup "perl_reload: error, exiting.";
		4232	};
		4233
		4234	--$RELOAD;
3703	};	4235	}
3704		4236
3705	warn "reloaded";	4237	$t1 = AE::time - $t1;
		4238	info "perl_reload: completed in ${t1}s\n";
3706	};	4239	};
3707		4240
3708	our $RELOAD_WATCHER; # used only during reload	4241	our $RELOAD_WATCHER; # used only during reload
3709		4242
3710	sub reload_perl() {	4243	sub reload_perl() {
3711	# doing reload synchronously and two reloads happen back-to-back,	4244	# doing reload synchronously and two reloads happen back-to-back,
3712	# coro crashes during coro_state_free->destroy here.	4245	# coro crashes during coro_state_free->destroy here.
3713		4246
		4247	$RELOAD_WATCHER ||= cf::async {
		4248	Coro::AIO::aio_wait cache_extensions;
		4249
3714	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4250	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3715	do_reload_perl;	4251	do_reload_perl;
3716	undef $RELOAD_WATCHER;	4252	undef $RELOAD_WATCHER;
		4253	};
3717	};	4254	};
3718	}	4255	}
3719		4256
3720	register_command "reload" => sub {	4257	register_command "reload" => sub {
3721	my ($who, $arg) = @_;	4258	my ($who, $arg) = @_;
…		…
3727	reload_perl;	4264	reload_perl;
3728	};	4265	};
3729	}	4266	}
3730	};	4267	};
3731		4268
3732	unshift @INC, $LIBDIR;	4269	#############################################################################
3733		4270
3734	my $bug_warning = 0;	4271	my $bug_warning = 0;
3735		4272
3736	our @WAIT_FOR_TICK;
3737	our @WAIT_FOR_TICK_BEGIN;
3738
3739	sub wait_for_tick {	4273	sub wait_for_tick() {
3740	return if tick_inhibit || $Coro::current == $Coro::main;	4274	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3741		4275
3742	my $signal = new Coro::Signal;	4276	$WAIT_FOR_TICK->wait;
3743	push @WAIT_FOR_TICK, $signal;
3744	$signal->wait;
3745	}	4277	}
3746		4278
3747	sub wait_for_tick_begin {	4279	sub wait_for_tick_begin() {
3748	return if tick_inhibit || $Coro::current == $Coro::main;	4280	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3749		4281
3750	my $signal = new Coro::Signal;	4282	my $signal = new Coro::Signal;
3751	push @WAIT_FOR_TICK_BEGIN, $signal;	4283	push @WAIT_FOR_TICK_BEGIN, $signal;
3752	$signal->wait;	4284	$signal->wait;
3753	}	4285	}
…		…
3757	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4289	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3758	unless ++$bug_warning > 10;	4290	unless ++$bug_warning > 10;
3759	return;	4291	return;
3760	}	4292	}
3761		4293
3762	cf::server_tick; # one server iteration	4294	cf::one_tick; # one server iteration
		4295
		4296	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3763		4297
3764	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4298	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3765	$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.;
3766	Coro::async_pool {	4300	Coro::async_pool {
3767	$Coro::current->{desc} = "runtime saver";	4301	$Coro::current->{desc} = "runtime saver";
3768	write_runtime_sync	4302	write_runtime_sync
3769	or warn "ERROR: unable to write runtime file: $!";	4303	or error "ERROR: unable to write runtime file: $!";
3770	};	4304	};
3771	}	4305	}
3772		4306
3773	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4307	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3774	$sig->send;	4308	$sig->send;
3775	}	4309	}
3776	while (my $sig = shift @WAIT_FOR_TICK) {	4310	$WAIT_FOR_TICK->broadcast;
3777	$sig->send;
3778	}
3779		4311
3780	$LOAD = ($NOW - $TICK_START) / $TICK;	4312	$LOAD = ($NOW - $TICK_START) / $TICK;
3781	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4313	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3782		4314
3783	if (0) {	4315	if (0) {
3784	if ($NEXT_TICK) {	4316	if ($NEXT_TICK) {
3785	my $jitter = $TICK_START - $NEXT_TICK;	4317	my $jitter = $TICK_START - $NEXT_TICK;
3786	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4318	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3787	warn "jitter $JITTER\n";#d#	4319	debug "jitter $JITTER\n";#d#
3788	}	4320	}
3789	}	4321	}
3790	}	4322	}
3791		4323
3792	{	4324	{
3793	# configure BDB	4325	# configure BDB
		4326	info "initialising database";
3794		4327
3795	BDB::min_parallel 8;	4328	BDB::min_parallel 16;
3796	BDB::max_poll_reqs $TICK * 0.1;	4329	BDB::max_poll_reqs $TICK * 0.1;
3797	$AnyEvent::BDB::WATCHER->priority (1);	4330	#$AnyEvent::BDB::WATCHER->priority (1);
3798		4331
3799	unless ($DB_ENV) {	4332	unless ($DB_ENV) {
3800	$DB_ENV = BDB::db_env_create;	4333	$DB_ENV = BDB::db_env_create;
3801	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4334	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3802	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;	4335	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
…		…
3827	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4360	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3828	};	4361	};
3829	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4362	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3830	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4363	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3831	};	4364	};
		4365
		4366	info "database initialised";
3832	}	4367	}
3833		4368
3834	{	4369	{
3835	# configure IO::AIO	4370	# configure IO::AIO
3836		4371
		4372	info "initialising aio";
3837	IO::AIO::min_parallel 8;	4373	IO::AIO::min_parallel 8;
3838	IO::AIO::max_poll_time $TICK * 0.1;	4374	IO::AIO::max_poll_time $TICK * 0.1;
3839	undef $AnyEvent::AIO::WATCHER;	4375	undef $AnyEvent::AIO::WATCHER;
		4376	info "aio initialised";
3840	}	4377	}
3841		4378
3842	my $_log_backtrace;	4379	our $_log_backtrace;
		4380	our $_log_backtrace_last;
3843		4381
3844	sub _log_backtrace {	4382	sub _log_backtrace {
3845	my ($msg, @addr) = @_;	4383	my ($msg, @addr) = @_;
3846		4384
3847	$msg =~ s/\n//;	4385	$msg =~ s/\n$//;
3848		4386
		4387	if ($_log_backtrace_last eq $msg) {
		4388	LOG llevInfo, "[ABT] $msg\n";
		4389	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3849	# limit the # of concurrent backtraces	4390	# limit the # of concurrent backtraces
3850	if ($_log_backtrace < 2) {	4391	} elsif ($_log_backtrace < 2) {
		4392	$_log_backtrace_last = $msg;
3851	++$_log_backtrace;	4393	++$_log_backtrace;
		4394	my $perl_bt = Carp::longmess $msg;
3852	async {	4395	async {
3853	$Coro::current->{desc} = "abt $msg";	4396	$Coro::current->{desc} = "abt $msg";
3854		4397
3855	my @bt = fork_call {	4398	my @bt = fork_call {
3856	@addr = map { sprintf "%x", $_ } @addr;	4399	@addr = map { sprintf "%x", $_ } @addr;
…		…
3867	}	4410	}
3868		4411
3869	@funcs	4412	@funcs
3870	};	4413	};
3871		4414
3872	LOG llevInfo, "[ABT] $msg\n";	4415	LOG llevInfo, "[ABT] $perl_bt\n";
		4416	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3873	LOG llevInfo, "[ABT] $_\n" for @bt;	4417	LOG llevInfo, "[ABT] $_\n" for @bt;
3874	--$_log_backtrace;	4418	--$_log_backtrace;
3875	};	4419	};
3876	} else {	4420	} else {
3877	LOG llevInfo, "[ABT] $msg\n";	4421	LOG llevInfo, "[ABT] $msg\n";
3878	LOG llevInfo, "[ABT] [suppressed]\n";	4422	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3879	}	4423	}
3880	}	4424	}
3881		4425
3882	# load additional modules	4426	# load additional modules
3883	use cf::pod;	4427	require "cf/$_.pm" for @EXTRA_MODULES;
		4428	cf::_connect_to_perl_2;
3884		4429
3885	END { cf::emergency_save }	4430	END { cf::emergency_save }
3886		4431
3887	1	4432	1
3888		4433

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