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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.408 by root, Mon Jan 14 10:12:12 2008 UTC vs.
Revision 1.614 by root, Mon Nov 26 15:12:16 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use EV 1.86;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 4.32 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
18	use Coro::EV;	44	use Coro::EV;
		45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
23	use Coro::BDB;	52	use Coro::BDB 1.6;
24	use Coro::Storable;	53	use Coro::Storable;
25	use Coro::Util ();	54	use Coro::Util ();
26		55
		56	use Guard ();
27	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
28	use BDB ();	58	use BDB ();
29	use Data::Dumper;	59	use Data::Dumper;
30	use Digest::MD5;
31	use Fcntl;	60	use Fcntl;
32	use YAML ();	61	use YAML::XS ();
33	use IO::AIO 2.51 ();	62	use IO::AIO ();
34	use Time::HiRes;
35	use Compress::LZF;	63	use Compress::LZF;
36	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
37		67
38	# configure various modules to our taste	68	# configure various modules to our taste
39	#	69	#
40	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
41	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";
42	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
43		78
44	$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" };
45		81
46	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;
47		85
48	our %COMMAND = ();	86	our %COMMAND = ();
49	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
50		88
51	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
52	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
53	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
56		96
57	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
59		101
60	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
61	our $DATADIR = datadir;	104	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
65	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
71	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;
72		125
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74	our $TICK_WATCHER;
75	our $AIO_POLL_WATCHER;
76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	our $NEXT_TICK;	128	our $NEXT_TICK;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		130
80	our $BDB_POLL_WATCHER;
81	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
82	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	134	our $DB_ENV;
85		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
86	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
87		140
88	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
90	our $NOW;	144	our $NOW;
91		145
92	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
…		…
96	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		152
99	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)
100	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
		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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
102		165
103	binmode STDOUT;	166	binmode STDOUT;
104	binmode STDERR;	167	binmode STDERR;
105		168
106	# read virtual server time, if available	169	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
111	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
112		177
113	mkdir $_	178	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		180
116	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
117		182
118	sub cf::map::normalise;	183	sub cf::map::normalise;
119		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
120	#############################################################################	189	#############################################################################
121		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
122	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
123		203
124	=over 4	204	=over 4
125		205
126	=item $cf::UPTIME	206	=item $cf::UPTIME
127		207
128	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.
129		224
130	=item $cf::RUNTIME	225	=item $cf::RUNTIME
131		226
132	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
133	every server tick.	228	every server tick.
134		229
135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
138		233
139	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
142	database environment.	237	database environment.
143		238
144	=item $cf::NOW
145
146	The time of the last (current) server tick.
147
148	=item $cf::TICK
149
150	The interval between server ticks, in seconds.
151
152	=item $cf::LOADAVG	239	=item $cf::LOADAVG
153		240
154	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	252	from wherever your confdir points to.
166		253
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		255
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
170	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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();
172		277
173	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
174		279
175	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
176	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
177	that call.	282	that call.
178		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
179	=back	290	=back
180		291
181	=cut	292	=cut
182		293
183	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
184	*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 {
185	my $msg = join "", @_;	301	my $msg = join "", @_;
186		302
187	$msg .= "\n"	303	$msg .= "\n"
188	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
189		305
190	$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;
191		307
192	LOG llevError, $msg;	308	LOG llevWarn, $msg;
193	};	309	};
194	}
195		310
196	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
197	warn Carp::longmess $_[0];	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
198	Coro::terminate;	322	Coro::terminate
199	};	323	};
200		324
201	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
202	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
203	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
…		…
211	for my $pkg (qw(	335	for my $pkg (qw(
212	cf::global cf::attachable	336	cf::global cf::attachable
213	cf::object cf::object::player	337	cf::object cf::object::player
214	cf::client cf::player	338	cf::client cf::player
215	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
216	cf::map cf::party cf::region	341	cf::party cf::region
217	)) {	342	)) {
218	no strict 'refs';
219	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
220	}	344	}
221		345
222	$EV::DIED = sub {	346	$EV::DIED = sub {
223	warn "error in event callback: @_";	347	warn "error in event callback: $@";
224	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
225		354
226	#############################################################################	355	#############################################################################
227		356
228	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
229		358
…		…
250	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
251	$d	380	$d
252	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
253	}	382	}
254		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
255	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
256		437
257	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
258		439
259	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
265	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
266		447
267	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
268	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
269		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
270	=item cf::lock_wait $string	513	=item cf::lock_wait $string
271		514
272	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
273		516
274	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
275		518
276	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
277	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,
278	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
279	returned.	522	returned.
280		523
281	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
282	deadlocked coro.	525	deadlocked coro.
…		…
288		531
289	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.
290		533
291	=cut	534	=cut
292		535
293	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
294	our %LOCKER;#d#
295		537
296	sub lock_wait($) {	538	sub lock_wait($) {
297	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
298
299	if ($LOCKER{$key} == $Coro::current) {#d#
300	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
301	return;#d#
302	}#d#
303
304	# wait for lock, if any
305	while ($LOCK{$key}) {
306	push @{ $LOCK{$key} }, $Coro::current;
307	Coro::schedule;
308	}
309	}	540	}
310		541
311	sub lock_acquire($) {	542	sub lock_acquire($) {
312	my ($key) = @_;	543	$LOCKS->guard ($_[0])
313
314	# wait, to be sure we are not locked
315	lock_wait $key;
316
317	$LOCK{$key} = [];
318	$LOCKER{$key} = $Coro::current;#d#
319
320	Coro::guard {
321	delete $LOCKER{$key};#d#
322	# wake up all waiters, to be on the safe side
323	$_->ready for @{ delete $LOCK{$key} };
324	}
325	}	544	}
326		545
327	sub lock_active($) {	546	sub lock_active($) {
328	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
329
330	! ! $LOCK{$key}
331	}	548	}
332		549
333	sub freeze_mainloop {	550	sub freeze_mainloop {
334	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
335		552
336	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
337	$TICK_WATCHER->start;
338	};
339	$TICK_WATCHER->stop;
340	$guard
341	}	554	}
342		555
343	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
344		557
345	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
346	get spread over timer.	559	get spread over time.
347		560
348	=cut	561	=cut
349		562
350	sub periodic($$) {	563	sub periodic($$) {
351	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
355	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
356	}	569	}
357		570
358	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
359		572
360	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
361	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
362	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$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.
363		580
364	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
365	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
366		583
367	Useful for short background jobs.	584	Useful for short background jobs.
368		585
369	=cut	586	=cut
370		587
371	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
372	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
373		591
374	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
375	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
376	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
377		595
378	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
379		598
380	while () {	599	while () {
381	next_job:	600	next_job:
		601
		602	Coro::cede;
		603
382	my $avail = cf::till_tick;	604	my $avail = cf::till_tick;
383	if ($avail > 0.01) {	605
384	for (0 .. $#SLOT_QUEUE) {	606	for (0 .. $#SLOT_QUEUE) {
385	if ($SLOT_QUEUE[$_][0] < $avail) {	607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
386	my $job = splice @SLOT_QUEUE, $_, 1, ();	609	my $job = splice @SLOT_QUEUE, $_, 1, ();
387	$job->[2]->send;	610	$job->[2]->send;
388	Coro::cede;
389	goto next_job;	611	goto next_job;
390	}	612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
391	}	614	}
392	}	615	}
393		616
394	if (@SLOT_QUEUE) {	617	if (@SLOT_QUEUE) {
395	# we do not use wait_for_tick() as it returns immediately when tick is inactive	618	wait_for_tick;
396	push @cf::WAIT_FOR_TICK, $signal;
397	$signal->wait;
398	} else {	619	} else {
		620	$busy = 0;
399	Coro::schedule;	621	Coro::schedule;
400	}	622	}
401	}	623	}
402	};	624	};
403		625
404	sub get_slot($;$$) {	626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
405	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
406		630
407	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
408	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
409		634
410	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
411	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
412	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
438	=cut	663	=cut
439		664
440	sub sync_job(&) {	665	sub sync_job(&) {
441	my ($job) = @_;	666	my ($job) = @_;
442		667
443	if ($Coro::current == $Coro::main) {	668	if (in_main) {
444	my $time = EV::time;	669	my $time = AE::time;
445		670
446	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
447	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
448		673
449	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
450		675
451	# TODO: use suspend/resume instead
452	# (but this is cancel-safe)
453	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
454		677
455	my $busy = 1;	678	my $busy = 1;
456	my @res;	679	my @res;
457		680
458	(async {	681	(async {
459	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
460	@res = eval { $job->() };	683	@res = eval { $job->() };
461	warn $@ if $@;	684	error $@ if $@;
462	undef $busy;	685	undef $busy;
463	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
464		687
465	while ($busy) {	688	while ($busy) {
466	if (Coro::nready) {	689	if (Coro::nready) {
…		…
468	} else {	691	} else {
469	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_ONESHOT;
470	}	693	}
471	}	694	}
472		695
473	$time = EV::time - $time;	696	my $time = AE::time - $time;
474		697
475	LOG llevError | logBacktrace, Carp::longmess "long sync job"
476	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
477
478	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
479		699
480	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
481	} else {	701	} else {
482	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
483		703
…		…
503	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
504		724
505	$coro	725	$coro
506	}	726	}
507		727
508	=item fork_call { }, $args	728	=item fork_call { }, @args
509		729
510	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
511	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
512	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
513	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
514		734
515	=cut	735	=cut
516		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
517	sub fork_call(&@) {	741	sub fork_call(&@) {
518	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
519		743
520	# we seemingly have to make a local copy of the whole thing,
521	# otherwise perl prematurely frees the stuff :/
522	# TODO: investigate and fix (likely this will be rather laborious)
523
524	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
525	reset_signals;	745	cf::post_fork;
526	&$cb	746	&$cb
527	}, @args;	747	} @args;
528		748
529	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	)
		761	}
		762
		763	=item $coin = coin_from_name $name
		764
		765	=cut
		766
		767	our %coin_alias = (
		768	"silver" => "silvercoin",
		769	"silvercoin" => "silvercoin",
		770	"silvercoins" => "silvercoin",
		771	"gold" => "goldcoin",
		772	"goldcoin" => "goldcoin",
		773	"goldcoins" => "goldcoin",
		774	"platinum" => "platinacoin",
		775	"platinumcoin" => "platinacoin",
		776	"platinumcoins" => "platinacoin",
		777	"platina" => "platinacoin",
		778	"platinacoin" => "platinacoin",
		779	"platinacoins" => "platinacoin",
		780	"royalty" => "royalty",
		781	"royalties" => "royalty",
		782	);
		783
		784	sub coin_from_name($) {
		785	$coin_alias{$_[0]}
		786	? cf::arch::find $coin_alias{$_[0]}
		787	: undef
530	}	788	}
531		789
532	=item $value = cf::db_get $family => $key	790	=item $value = cf::db_get $family => $key
533		791
534	Returns a single value from the environment database.	792	Returns a single value from the environment database.
…		…
544	within each server.	802	within each server.
545		803
546	=cut	804	=cut
547		805
548	sub db_table($) {	806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
549	my ($name) = @_;	810	my ($name) = @_;
550	my $db = BDB::db_create $DB_ENV;	811	my $db = BDB::db_create $DB_ENV;
551		812
552	eval {	813	eval {
553	$db->set_flags (BDB::CHKSUM);	814	$db->set_flags (BDB::CHKSUM);
…		…
563	}	824	}
564		825
565	our $DB;	826	our $DB;
566		827
567	sub db_init {	828	sub db_init {
568	cf::sync_job {
569	$DB ||= db_table "db";	829	$DB ||= db_table "db";
570	};
571	}	830	}
572		831
573	sub db_get($$) {	832	sub db_get($$) {
574	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
575		834
576	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
577	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
578		839
579	$! ? ()	840	$! ? ()
580	: $data	841	: $data
581	}
582	}	842	}
583		843
584	sub db_put($$$) {	844	sub db_put($$$) {
585	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
586	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
614		874
615	my @data;	875	my @data;
616	my $md5;	876	my $md5;
617		877
618	for (0 .. $#$src) {	878	for (0 .. $#$src) {
619	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
620	or Carp::croak "$src->[$_]: $!";
621	}	880	}
622		881
623	# if processing is expensive, check	882	# if processing is expensive, check
624	# checksum first	883	# checksum first
625	if (1) {	884	if (1) {
…		…
638		897
639	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
640	}	899	}
641	}	900	}
642		901
643	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
644	my $data = $process->(\@data);	903	my $data = $process->(\@data);
645	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
646		905
647	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
648		907
649	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
650	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
651	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
652		911
…		…
662		921
663	=cut	922	=cut
664		923
665	sub datalog($@) {	924	sub datalog($@) {
666	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
667	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
668	}	927	}
669		928
670	=back	929	=back
671		930
672	=cut	931	=cut
673		932
674	#############################################################################	933	#############################################################################
675		934
676	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
677		936
678	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
679	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")
680	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
681		940
682	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>
683	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
…		…
733	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
734		993
735	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
736	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
737		996
738	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
739	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.
740		999
741	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
742		1001
743	=over 4	1002	=over 4
…		…
867		1126
868	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
869	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
870		1129
871	} elsif (ref $type) {	1130	} elsif (ref $type) {
872	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
873		1132
874	} else {	1133	} else {
875	shift @arg;	1134	shift @arg;
876	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
877	}	1136	}
878	}	1137	}
879	}	1138	}
880		1139
881	sub _object_attach {	1140	sub _object_attach {
…		…
891	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
892	}	1151	}
893		1152
894	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
895	} else {	1154	} else {
896	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
897	}	1156	}
898		1157
899	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
900	}	1159	}
901		1160
…		…
960		1219
961	for (@$callbacks) {	1220	for (@$callbacks) {
962	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
963		1222
964	if ($@) {	1223	if ($@) {
965	warn "$@";
966	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
967	override;	1225	override;
968	}	1226	}
969		1227
970	return 1 if $override;	1228	return 1 if $override;
971	}	1229	}
…		…
1034		1292
1035	sub reattach {	1293	sub reattach {
1036	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
1037	my ($obj) = @_;	1295	my ($obj) = @_;
1038		1296
		1297	# no longer needed after getting rid of delete_package?
1039	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
1040		1299
1041	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
1042		1301
1043	@$registry = ();	1302	@$registry = ();
1044		1303
…		…
1049	for (@$attach) {	1308	for (@$attach) {
1050	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
1051	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
1052	}	1311	}
1053	} else {	1312	} else {
1054	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
1055	}	1314	}
1056	}	1315	}
1057	}	1316	}
1058		1317
1059	cf::attachable->attach (	1318	cf::attachable->attach (
…		…
1086	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1087		1346
1088	sync_job {	1347	sync_job {
1089	if (length $$rdata) {	1348	if (length $$rdata) {
1090	utf8::decode (my $decname = $filename);	1349	utf8::decode (my $decname = $filename);
1091	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1092	$decname, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1093		1353
1094	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1095	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
1096	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1097	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	}
1098	close $fh;	1361	aio_close $fh;
1099		1362
1100	if (@$objs) {	1363	if (@$objs) {
1101	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) {
1102	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
1103	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1104	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1105	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	}
1106	close $fh;	1372	aio_close $fh;
1107	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1108	}	1374	}
1109	} else {	1375	} else {
1110	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1111	}	1377	}
1112		1378
1113	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1114	} else {	1383	} else {
1115	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1116	}	1385	}
1117	} else {	1386	} else {
1118	aio_unlink $filename;	1387	aio_unlink $filename;
1119	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1120	}	1389	}
…		…
1144	my $st = eval { Coro::Storable::thaw $av };	1413	my $st = eval { Coro::Storable::thaw $av };
1145	$av = $st->{objs};	1414	$av = $st->{objs};
1146	}	1415	}
1147		1416
1148	utf8::decode (my $decname = $filename);	1417	utf8::decode (my $decname = $filename);
1149	warn sprintf "loading %s (%d,%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1150	$decname, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
1151		1421
1152	($data, $av)	1422	($data, $av)
1153	}	1423	}
1154		1424
1155	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
…		…
1159	=cut	1429	=cut
1160		1430
1161	#############################################################################	1431	#############################################################################
1162	# command handling &c	1432	# command handling &c
1163		1433
1164	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1165		1435
1166	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
1167	$name.	1437	$name.
1168		1438
1169	=cut	1439	=cut
…		…
1175	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1176		1446
1177	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1178	}	1448	}
1179		1449
1180	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1181		1451
1182	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1183	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
1184	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
1185	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
1186	has logged in successfully.	1456	has logged in successfully.
1187		1457
1188	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1189	called.
1190		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
1191	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1192		1466
1193	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1194	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
1195	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
1196	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
1197	log-in.	1471	log-in.
1198		1472
1199	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1200	called.
1201		1474
1202	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1203		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1204	sub register_extcmd {	1482	sub register_extcmd($$) {
1205	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1206		1484
1207	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1208	}	1486	}
1209		1487
1210	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1211	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1212		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1213	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1214	}	1498	}
1215		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1216	cf::player->attach (	1508	cf::player->attach (
1217	on_command => sub {	1509	on_unknown_command => sub {
1218	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1219		1511
1220	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1221	or return;	1513	or return;
1222		1514
…		…
1230	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1231		1523
1232	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1233		1525
1234	if (ref $msg) {	1526	if (ref $msg) {
1235	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1236	"ARRAY" eq ref $msg
1237	? @$msg
1238	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1239		1528
1240	my @reply;
1241
1242	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}) {
1243	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1244	}	1547	}
1245		1548
1246	$pl->ext_reply ($reply, @reply)
1247	if $reply;
1248
1249	} else {	1549	} else {
1250	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1251	}	1551	}
1252		1552
1253	cf::override;	1553	cf::override;
1254	},	1554	},
1255	);	1555	);
1256		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
1257	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1258	cf::sync_job {	1586	cf::sync_job {
1259	my %todo;	1587	my %todo;
1260		1588
1261	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1262	next unless -r $path;	1590	next unless -r $path;
…		…
1280		1608
1281	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1282	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1283		1611
1284	$ext{source} =	1612	$ext{source} =
1285	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1286	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1287	. $source	1615	. $source
1288	. "\n};\n1";	1616	. "\n};\n1";
1289		1617
1290	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1291	}	1619	}
1292		1620
		1621	my $pass = 0;
1293	my %done;	1622	my %done;
1294	while (%todo) {	1623	while (%todo) {
1295	my $progress;	1624	my $progress;
1296		1625
		1626	++$pass;
		1627
		1628	ext:
1297	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1298	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1299	goto skip	1631	next ext
1300	unless exists $done{$_};	1632	unless exists $done{$_};
1301	}	1633	}
1302		1634
1303	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1304		1636
1305	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 $@) {
1306	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1307	: "$v->{base}: extension inactive.\n";
1308		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1309	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1310	warn $msg;	1653
1311	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1312	exit 1;	1655	delete $todo{$k};
1313	}	1656	} else {
1314		1657	$done{$k} = delete $todo{$k};
1315	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1316	}	1663	}
1317
1318	$done{$k} = delete $todo{$k};
1319	push @EXTS, $v->{pkg};
1320	$progress = 1;
1321	}	1664	}
1322		1665
1323	skip:	1666	unless ($progress) {
1324	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1325	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1326	}	1676	}
1327	};	1677	};
1328	}	1678	}
1329		1679
1330	#############################################################################	1680	#############################################################################
1331		1681
1332	=back	1682	=back
1333		1683
1334	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1335		1685
1336	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1337		1687
1338	=cut	1688	=cut
1339		1689
1340	package cf::player;	1690	package cf::player;
1341		1691
…		…
1384		1734
1385	sub exists($) {	1735	sub exists($) {
1386	my ($login) = @_;	1736	my ($login) = @_;
1387		1737
1388	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1389	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1390	}	1740	}
1391		1741
1392	sub find($) {	1742	sub find($) {
1393	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1394	my $login = $_[0];	1744	my $login = $_[0];
…		…
1406	my $f = new_from_file cf::object::thawer path $login	1756	my $f = new_from_file cf::object::thawer path $login
1407	or return;	1757	or return;
1408		1758
1409	my $pl = cf::player::load_pl $f	1759	my $pl = cf::player::load_pl $f
1410	or return;	1760	or return;
		1761
1411	local $cf::PLAYER_LOADING{$login} = $pl;	1762	local $cf::PLAYER_LOADING{$login} = $pl;
1412	$f->resolve_delayed_derefs;	1763	$f->resolve_delayed_derefs;
1413	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1414	}	1765	}
1415	}	1766	}
1416	}	1767	}
1417		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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
1418	sub save($) {	1782	sub save($) {
1419	my ($pl) = @_;	1783	my ($pl) = @_;
1420		1784
1421	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
1422		1786
…		…
1425		1789
1426	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1427		1791
1428	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1429	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
		1794
		1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1430		1799
1431	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1432	cf::cede_to_tick;	1801	cf::cede_to_tick;
1433	}	1802	}
1434		1803
…		…
1466	my ($pl) = @_;	1835	my ($pl) = @_;
1467		1836
1468	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1469		1838
1470	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1471	$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
1472		1841
1473	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1474	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1475	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1476	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1477		1850
1478	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1479	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1480	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1518		1891
1519	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
1520	my $path = path $login;	1893	my $path = path $login;
1521		1894
1522	# a .pst is a dead give-away for a valid player	1895	# a .pst is a dead give-away for a valid player
1523	unless (-e "$path.pst") {	1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1524	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1525	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1526	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
1527	}	1901	}
1528		1902
…		…
1532		1906
1533	\@logins	1907	\@logins
1534	}	1908	}
1535		1909
1536	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1537		1913
1538	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1539	player. May block.	1915	player. May block.
1540		1916
1541	=cut	1917	=cut
…		…
1559	}	1935	}
1560		1936
1561	\@paths	1937	\@paths
1562	}	1938	}
1563		1939
1564	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1565		1941
1566	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1567
1568	=cut
1569
1570	use re 'eval';
1571
1572	my $group;
1573	my $interior; $interior = qr{
1574	# match a pod interior sequence sans C<< >>
1575	(?:
1576	\ (.*?)\ (?{ $group = $^N })
1577	| < (??{$interior}) >
1578	)
1579	}x;
1580
1581	sub expand_cfpod {
1582	my ($self, $pod) = @_;
1583
1584	my $xml;
1585
1586	while () {
1587	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1588	$group = $1;
1589
1590	$group =~ s/&/&amp;/g;
1591	$group =~ s/</&lt;/g;
1592
1593	$xml .= $group;
1594	} elsif ($pod =~ m%\G
1595	([BCGHITU])
1596	<
1597	(?:
1598	([^<>]*) (?{ $group = $^N })
1599	| < $interior >
1600	)
1601	>
1602	%gcsx
1603	) {
1604	my ($code, $data) = ($1, $group);
1605
1606	if ($code eq "B") {
1607	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1608	} elsif ($code eq "I") {
1609	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1610	} elsif ($code eq "U") {
1611	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1612	} elsif ($code eq "C") {
1613	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1614	} elsif ($code eq "T") {
1615	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1616	} elsif ($code eq "G") {
1617	my ($male, $female) = split /\|/, $data;
1618	$data = $self->gender ? $female : $male;
1619	$xml .= expand_cfpod ($self, $data);
1620	} elsif ($code eq "H") {
1621	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1622	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1623	"")
1624	[$self->{hintmode}];
1625	} else {
1626	$xml .= "error processing '$code($data)' directive";
1627	}
1628	} else {
1629	if ($pod =~ /\G(.+)/) {
1630	warn "parse error while expanding $pod (at $1)";
1631	}
1632	last;
1633	}
1634	}
1635
1636	for ($xml) {
1637	# create single paragraphs (very hackish)
1638	s/(?<=\S)\n(?=\w)/ /g;
1639
1640	# compress some whitespace
1641	s/\s+\n/\n/g; # ws line-ends
1642	s/\n\n+/\n/g; # double lines
1643	s/^\n+//; # beginning lines
1644	s/\n+$//; # ending lines
1645	}
1646
1647	$xml
1648	}
1649
1650	no re 'eval';
1651
1652	sub hintmode {
1653	$_[0]{hintmode} = $_[1] if @_ > 1;
1654	$_[0]{hintmode}
1655	}
1656
1657	=item $player->ext_reply ($msgid, @msg)
1658
1659	Sends an ext reply to the player.
1660
1661	=cut
1662
1663	sub ext_reply($$@) {
1664	my ($self, $id, @msg) = @_;
1665
1666	$self->ns->ext_reply ($id, @msg)
1667	}
1668		1943
1669	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1670		1945
1671	Sends an ext event to the client.	1946	Sends an ext event to the client.
1672		1947
…		…
1692		1967
1693	=cut	1968	=cut
1694		1969
1695	sub find_by_path($) {	1970	sub find_by_path($) {
1696	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1697		1974
1698	my ($match, $specificity);	1975	my ($match, $specificity);
1699		1976
1700	for my $region (list) {	1977	for my $region (list) {
1701	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1727	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1728	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1729		2006
1730	sub generate_random_map {	2007	sub generate_random_map {
1731	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1732	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1733	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1737	$rmp->{exit_on_final_map},
1738	$rmp->{xsize}, $rmp->{ysize},
1739	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1740	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1741	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1742	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1743	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1744	(cf::region::find $rmp->{region}), $rmp->{custom}
1745	)
1746	}	2013	}
1747		2014
1748	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1749		2016
1750	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
…		…
1755		2022
1756	sub register {	2023	sub register {
1757	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1758	my $pkg = caller;	2025	my $pkg = caller;
1759		2026
1760	no strict;
1761	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1762		2028
1763	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1764	}	2030	}
1765		2031
1766	# also paths starting with '/'	2032	# also paths starting with '/'
1767	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1768		2034
1769	sub thawer_merge {	2035	sub thawer_merge {
1770	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1771		2037
1772	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1777	}	2043	}
1778		2044
1779	sub normalise {	2045	sub normalise {
1780	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1781		2047
1782	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1783		2049
1784	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1785		2051
1786	# map plan:	2052	# map plan:
1787	#	2053	#
…		…
1802	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1803	$path = "$base/$path";	2069	$path = "$base/$path";
1804	}	2070	}
1805		2071
1806	for ($path) {	2072	for ($path) {
1807	redo if s{//}{/};
1808	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1809	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1810	}	2075	}
1811		2076
1812	$path	2077	$path
…		…
1826	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1827	return $self;	2092	return $self;
1828	}	2093	}
1829	}	2094	}
1830		2095
1831	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1832	()	2097	()
1833	}	2098	}
1834		2099
		2100	# may re-bless or do other evil things
1835	sub init {	2101	sub init {
1836	my ($self) = @_;	2102	my ($self) = @_;
1837		2103
1838	$self	2104	$self
1839	}	2105	}
…		…
1858		2124
1859	# the temporary/swap location	2125	# the temporary/swap location
1860	sub save_path {	2126	sub save_path {
1861	my ($self) = @_;	2127	my ($self) = @_;
1862		2128
1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1864	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1865	}	2131	}
1866		2132
1867	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1868	sub uniq_path {	2134	sub uniq_path {
1869	my ($self) = @_;	2135	my ($self) = @_;
1870		2136
1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1872	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1873	}
1874
1875	# and all this just because we cannot iterate over
1876	# all maps in C++...
1877	sub change_all_map_light {
1878	my ($change) = @_;
1879
1880	$_->change_map_light ($change)
1881	for grep $_->outdoor, values %cf::MAP;
1882	}	2139	}
1883		2140
1884	sub decay_objects {	2141	sub decay_objects {
1885	my ($self) = @_;	2142	my ($self) = @_;
1886		2143
…		…
1913	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1914		2171
1915	1	2172	1
1916	}	2173	}
1917		2174
		2175	# used to laod the header of an original map
1918	sub load_header_orig {	2176	sub load_header_orig {
1919	my ($self) = @_;	2177	my ($self) = @_;
1920		2178
1921	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1922	}	2180	}
1923		2181
		2182	# used to laod the header of an instantiated map
1924	sub load_header_temp {	2183	sub load_header_temp {
1925	my ($self) = @_;	2184	my ($self) = @_;
1926		2185
1927	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1928	}	2187	}
1929		2188
		2189	# called after loading the header from an instantiated map
1930	sub prepare_temp {	2190	sub prepare_temp {
1931	my ($self) = @_;	2191	my ($self) = @_;
1932		2192
1933	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1934	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1935	# safety	2195	# safety
1936	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1937	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1938	}	2198	}
1939		2199
		2200	# called after loading the header from an original map
1940	sub prepare_orig {	2201	sub prepare_orig {
1941	my ($self) = @_;	2202	my ($self) = @_;
1942		2203
1943	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1944	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1968		2229
1969	sub find;	2230	sub find;
1970	sub find {	2231	sub find {
1971	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1972		2233
		2234	cf::cede_to_tick;
		2235
1973	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1974		2237
1975	cf::lock_wait "map_data:$path";#d#remove	2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1976	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1977		2240
1978	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1979	my $guard1 = cf::lock_acquire "map_find:$path";
1980	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1981
1982	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1983	or return;	2243	or return;
1984		2244
1985	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1986		2246
…		…
1988	or return;	2248	or return;
1989		2249
1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1991	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1992	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
1993	undef $guard1;	2254	undef $guard1;
1994	undef $guard2;
1995	$map->reset;	2255	$map->reset;
1996	return find $path;	2256	return find $path;
1997	}	2257	}
1998		2258
1999	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
2000	}	2260	}
2001	}	2261	}
2002		2262
2003	sub pre_load { }	2263	sub pre_load { }
2004	sub post_load { }	2264	#sub post_load { } # XS
2005		2265
2006	sub load {	2266	sub load {
2007	my ($self) = @_;	2267	my ($self) = @_;
2008		2268
2009	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2012		2272
2013	{	2273	{
2014	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
2015		2275
2016	return unless $self->valid;	2276	return unless $self->valid;
2017	return unless $self->in_memory == cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
2018
2019	$self->in_memory (cf::MAP_LOADING);
2020		2278
2021	$self->alloc;	2279	$self->alloc;
2022		2280
2023	$self->pre_load;	2281	$self->pre_load;
2024	cf::cede_to_tick;	2282	cf::cede_to_tick;
2025		2283
		2284	if (exists $self->{load_path}) {
2026	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
2027	$f->skip_block;	2286	$f->skip_block;
2028	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
2029	or return;	2288	or return;
2030		2289
2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
2032	if delete $self->{load_original};	2291	if delete $self->{load_original};
2033		2292
2034	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
2035	utf8::encode $uniq;	2294	utf8::encode $uniq;
2036	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
2037	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
2038	$self->clear_unique_items;	2297	$self->clear_unique_items;
2039	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
2040	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
2041	}	2301	}
2042	}	2302	}
2043	}
2044		2303
2045	$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);
2046		2311
2047	cf::cede_to_tick;	2312	cf::cede_to_tick;
2048	# now do the right thing for maps	2313	# now do the right thing for maps
2049	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
2050	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
2054	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
2055	$self->decay_objects;	2320	$self->decay_objects;
2056	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
2057	$self->update_buttons;	2322	$self->update_buttons;
2058	cf::cede_to_tick;	2323	cf::cede_to_tick;
2059	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
2060	cf::cede_to_tick;
2061	$self->activate;
2062	}	2325	}
2063		2326
2064	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
2065	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
2066
2067	$self->in_memory (cf::MAP_IN_MEMORY);
2068	}	2329	}
2069		2330
2070	$self->post_load;	2331	$self->post_load;
2071	}
2072		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
2073	sub customise_for {	2339	sub customise_for {
2074	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
2075		2341
2076	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
2077	if $self->per_player;	2343	if $self->per_player;
…		…
2080	# if $self->per_party;	2346	# if $self->per_party;
2081		2347
2082	$self	2348	$self
2083	}	2349	}
2084		2350
2085	# find and load all maps in the 3x3 area around a map
2086	sub load_neighbours {
2087	my ($map) = @_;
2088
2089	my @neigh; # diagonal neighbours
2090
2091	for (0 .. 3) {
2092	my $neigh = $map->tile_path ($_)
2093	or next;
2094	$neigh = find $neigh, $map
2095	or next;
2096	$neigh->load;
2097
2098	push @neigh,
2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2101	}
2102
2103	for (grep defined $_->[0], @neigh) {
2104	my ($path, $origin) = @$_;
2105	my $neigh = find $path, $origin
2106	or next;
2107	$neigh->load;
2108	}
2109	}
2110
2111	sub find_sync {	2351	sub find_sync {
2112	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
2113		2353
2114	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
2115	}	2359	}
2116		2360
2117	sub do_load_sync {	2361	sub do_load_sync {
2118	my ($map) = @_;	2362	my ($map) = @_;
2119		2363
		2364	# it's a bug to call this from the main context
2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2121	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
2122		2367
2123	cf::sync_job { $map->load };	2368	$map->load;
2124	}	2369	}
2125		2370
2126	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
2127	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
2128		2373
2129	sub find_async {	2374	sub find_async {
2130	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
2131		2376
2132	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2133		2378
2134	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2135	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
2136	}	2381	}
2137		2382
2138	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2139		2384
2140	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
…		…
2154	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2155		2400
2156	()	2401	()
2157	}	2402	}
2158		2403
		2404	# common code, used by both ->save and ->swapout
2159	sub save {	2405	sub _save {
2160	my ($self) = @_;	2406	my ($self) = @_;
2161
2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
2163		2407
2164	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2165		2409
2166	return unless $self->dirty;	2410	return unless $self->dirty;
2167		2411
…		…
2176		2420
2177	cf::async {	2421	cf::async {
2178	$Coro::current->{desc} = "map player save";	2422	$Coro::current->{desc} = "map player save";
2179	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
2180	};	2424	};
		2425
		2426	cf::get_slot 0.02;
2181		2427
2182	if ($uniq) {	2428	if ($uniq) {
2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2184	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2185	} else {	2431	} else {
2186	$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);
2187	}	2433	}
2188	}	2434	}
2189		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2190	sub swap_out {	2444	sub swap_out {
2191	my ($self) = @_;	2445	my ($self) = @_;
2192		2446
2193	# save first because save cedes
2194	$self->save;
2195
2196	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2197		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2198	return if $self->players;	2451	return if $self->players;
2199	return if $self->in_memory != cf::MAP_IN_MEMORY;	2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
		2462	$self->clear;
		2463	}
		2464
		2465	sub reset_at {
		2466	my ($self) = @_;
		2467
		2468	# TODO: safety, remove and allow resettable per-player maps
2200	return if $self->{deny_save};	2469	return 1e99 if $self->{deny_reset};
2201		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
2202	$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};
2203		2503
2204	$self->deactivate;	2504	$self->deactivate;
2205	$_->clear_links_to ($self) for values %cf::MAP;	2505	$_->clear_links_to ($self) for values %cf::MAP;
2206	$self->clear;	2506	$self->clear;
2207	}
2208
2209	sub reset_at {
2210	my ($self) = @_;
2211
2212	# TODO: safety, remove and allow resettable per-player maps
2213	return 1e99 if $self->{deny_reset};
2214
2215	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2216	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2217
2218	$time + $to
2219	}
2220
2221	sub should_reset {
2222	my ($self) = @_;
2223
2224	$self->reset_at <= $cf::RUNTIME
2225	}
2226
2227	sub reset {
2228	my ($self) = @_;
2229
2230	my $lock = cf::lock_acquire "map_data:$self->{path}";
2231
2232	return if $self->players;
2233
2234	warn "resetting map ", $self->path;
2235
2236	$self->in_memory (cf::MAP_SWAPPED);
2237
2238	# need to save uniques path
2239	unless ($self->{deny_save}) {
2240	my $uniq = $self->uniq_path; utf8::encode $uniq;
2241
2242	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2243	if $uniq;
2244	}
2245
2246	delete $cf::MAP{$self->path};
2247
2248	$self->deactivate;
2249	$_->clear_links_to ($self) for values %cf::MAP;
2250	$self->clear;
2251		2507
2252	$self->unlink_save;	2508	$self->unlink_save;
2253	$self->destroy;	2509	$self->destroy;
2254	}	2510	}
2255		2511
…		…
2263		2519
2264	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2265		2521
2266	$self->unlink_save;	2522	$self->unlink_save;
2267		2523
2268	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2269	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2270	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2271	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2272	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2273		2529
…		…
2322		2578
2323	sub unique_maps() {	2579	sub unique_maps() {
2324	[	2580	[
2325	map {	2581	map {
2326	utf8::decode $_;	2582	utf8::decode $_;
2327	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2328	? normalise $_	2586	: normalise $_
2329	: ()
2330	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2331	]	2588	]
2332	}	2589	}
2333		2590
2334	package cf;	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	}
2335		2622
2336	=back	2623	=back
2337		2624
2338	=head3 cf::object	2625	=head3 cf::object
2339		2626
…		…
2343		2630
2344	=over 4	2631	=over 4
2345		2632
2346	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2347		2634
2348	Returns the inventory of the object _and_ their inventories, recursively.	2635	Returns the inventory of the object I<and> their inventories, recursively,
		2636	but I<not> the object itself.
2349		2637
2350	=cut	2638	=cut
2351		2639
2352	sub inv_recursive_;	2640	sub inv_recursive_;
2353	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2358	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2359	}	2647	}
2360		2648
2361	=item $ref = $ob->ref	2649	=item $ref = $ob->ref
2362		2650
2363	creates and returns a persistent reference to an objetc that can be stored as a string.	2651	Creates and returns a persistent reference to an object that can be stored as a string.
2364		2652
2365	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2366		2654
2367	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,
2368	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2369		2657
2370	=cut	2658	=cut
2371		2659
2372	sub deref {	2660	sub deref {
…		…
2400	can be C<undef>. Does the right thing when the player is currently in a	2688	can be C<undef>. Does the right thing when the player is currently in a
2401	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2402		2690
2403	=cut	2691	=cut
2404		2692
		2693	our $SAY_CHANNEL = {
		2694	id => "say",
		2695	title => "Map",
		2696	reply => "say ",
		2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2698	};
		2699
		2700	our $CHAT_CHANNEL = {
		2701	id => "chat",
		2702	title => "Chat",
		2703	reply => "chat ",
		2704	tooltip => "Player chat and shouts, global to the server.",
		2705	};
		2706
2405	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2406	# with dialog boxes.	2708	# with dialog boxes.
2407	#TODO: the first argument must go, split into a $npc->reply_to ( method	2709	#TODO: the first argument must go, split into a $npc->reply_to ( method
2408	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
2409	my ($self, $npc, $msg, $flags) = @_;	2711	my ($self, $npc, $msg, $flags) = @_;
…		…
2420	my $dialog = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2421	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2422		2724
2423	} else {	2725	} else {
2424	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2425	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2426	}	2728	}
2427	}	2729	}
2428	}	2730	}
2429		2731
2430	=item $object->send_msg ($channel, $msg, $color, [extra...])	2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2440	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
2441		2743
2442	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
2443	(e.g. "command_wizcast").	2745	(e.g. "command_wizcast").
2444		2746
		2747	This is implemented by checking a config setting of C<may_access> where
		2748	C<access> is replaced by the access string. The following alternatives are
		2749	possible (and are tested in order):
		2750
		2751	=over 4
		2752
		2753	=item * Player is DM
		2754
		2755	The request will succeed.
		2756
		2757	=item * may_access is an array reference
		2758
		2759	If either the player nickname or UUID is in the array, the request will
		2760	succeed, otherwise it will fail.
		2761
		2762	=item * may_access is a true value
		2763
		2764	The request will succeed.
		2765
		2766	=item * may_access is missing or false
		2767
		2768	The request will fail.
		2769
		2770	=back
		2771
2445	=cut	2772	=cut
2446		2773
2447	sub cf::object::player::may {	2774	sub cf::object::player::may {
2448	my ($self, $access) = @_;	2775	my ($self, $access) = @_;
2449		2776
2450	$self->flag (cf::FLAG_WIZ) ||	2777	$self->flag (cf::FLAG_WIZ) ||
2451	(ref $cf::CFG{"may_$access"}	2778	(ref $cf::CFG{"may_$access"}
2452	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2779	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2453	: $cf::CFG{"may_$access"})	2780	: $cf::CFG{"may_$access"})
2454	}	2781	}
2455		2782
2456	=item $player_object->enter_link	2783	=item $player_object->enter_link
2457		2784
2458	Freezes the player and moves him/her to a special map (C<{link}>).	2785	Freezes the player and moves him/her to a special map (C<{link}>).
2459		2786
2460	The player should be reasonably safe there for short amounts of time. You	2787	The player should be reasonably safe there for short amounts of time (e.g.
2461	I<MUST> call C<leave_link> as soon as possible, though.	2788	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2789	though, as the player cannot control the character while it is on the link
		2790	map.
2462		2791
2463	Will never block.	2792	Will never block.
2464		2793
2465	=item $player_object->leave_link ($map, $x, $y)	2794	=item $player_object->leave_link ($map, $x, $y)
2466		2795
…		…
2486	sub cf::object::player::enter_link {	2815	sub cf::object::player::enter_link {
2487	my ($self) = @_;	2816	my ($self) = @_;
2488		2817
2489	$self->deactivate_recursive;	2818	$self->deactivate_recursive;
2490		2819
		2820	++$self->{_link_recursion};
		2821
2491	return if UNIVERSAL::isa $self->map, "ext::map_link";	2822	return if UNIVERSAL::isa $self->map, "ext::map_link";
2492		2823
2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2824	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2494	if $self->map && $self->map->{path} ne "{link}";	2825	if $self->map && $self->map->{path} ne "{link}";
2495		2826
2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2827	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2497	}	2828	}
2498		2829
2499	sub cf::object::player::leave_link {	2830	sub cf::object::player::leave_link {
2500	my ($self, $map, $x, $y) = @_;	2831	my ($self, $map, $x, $y) = @_;
2501		2832
…		…
2518	($x, $y) = (-1, -1)	2849	($x, $y) = (-1, -1)
2519	unless (defined $x) && (defined $y);	2850	unless (defined $x) && (defined $y);
2520		2851
2521	# use -1 or undef as default coordinates, not 0, 0	2852	# use -1 or undef as default coordinates, not 0, 0
2522	($x, $y) = ($map->enter_x, $map->enter_y)	2853	($x, $y) = ($map->enter_x, $map->enter_y)
2523	if $x <=0 && $y <= 0;	2854	if $x <= 0 && $y <= 0;
2524		2855
2525	$map->load;	2856	$map->load;
2526	$map->load_neighbours;
2527		2857
2528	return unless $self->contr->active;	2858	return unless $self->contr->active;
2529	$self->activate_recursive;
2530		2859
2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2860	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2532	$self->enter_map ($map, $x, $y);	2861	if ($self->enter_map ($map, $x, $y)) {
2533	}	2862	# entering was successful
		2863	delete $self->{_link_recursion};
		2864	# only activate afterwards, to support waiting in hooks
		2865	$self->activate_recursive;
		2866	}
2534		2867
		2868	}
		2869
2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2870	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2536		2871
2537	Moves the player to the given map-path and coordinates by first freezing	2872	Moves the player to the given map-path and coordinates by first freezing
2538	her, loading and preparing them map, calling the provided $check callback	2873	her, loading and preparing them map, calling the provided $check callback
2539	that has to return the map if sucecssful, and then unfreezes the player on	2874	that has to return the map if sucecssful, and then unfreezes the player on
2540	the new (success) or old (failed) map position. In either case, $done will	2875	the new (success) or old (failed) map position. In either case, $done will
2541	be called at the end of this process.	2876	be called at the end of this process.
2542		2877
		2878	Note that $check will be called with a potentially non-loaded map, so if
		2879	it needs a loaded map it has to call C<< ->load >>.
		2880
2543	=cut	2881	=cut
2544		2882
2545	our $GOTOGEN;	2883	our $GOTOGEN;
2546		2884
2547	sub cf::object::player::goto {	2885	sub cf::object::player::goto {
2548	my ($self, $path, $x, $y, $check, $done) = @_;	2886	my ($self, $path, $x, $y, $check, $done) = @_;
		2887
		2888	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2889	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2890	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2891	($path, $x, $y) = @$EMERGENCY_POSITION;
		2892	}
2549		2893
2550	# do generation counting so two concurrent goto's will be executed in-order	2894	# do generation counting so two concurrent goto's will be executed in-order
2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2895	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2552		2896
2553	$self->enter_link;	2897	$self->enter_link;
…		…
2573	($path, $x, $y) = (undef, undef, undef);	2917	($path, $x, $y) = (undef, undef, undef);
2574	}	2918	}
2575	}	2919	}
2576		2920
2577	my $map = eval {	2921	my $map = eval {
2578	my $map = defined $path ? cf::map::find $path : undef;	2922	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2579		2923
2580	if ($map) {	2924	if ($map) {
2581	$map = $map->customise_for ($self);	2925	$map = $map->customise_for ($self);
2582	$map = $check->($map) if $check && $map;	2926	$map = $check->($map, $x, $y, $self) if $check && $map;
2583	} else {	2927	} else {
2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2928	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2585	}	2929	}
2586		2930
2587	$map	2931	$map
…		…
2595	if ($gen == $self->{_goto_generation}) {	2939	if ($gen == $self->{_goto_generation}) {
2596	delete $self->{_goto_generation};	2940	delete $self->{_goto_generation};
2597	$self->leave_link ($map, $x, $y);	2941	$self->leave_link ($map, $x, $y);
2598	}	2942	}
2599		2943
2600	$done->() if $done;	2944	$done->($self) if $done;
2601	})->prio (1);	2945	})->prio (1);
2602	}	2946	}
2603		2947
2604	=item $player_object->enter_exit ($exit_object)	2948	=item $player_object->enter_exit ($exit_object)
2605		2949
…		…
2625	}	2969	}
2626		2970
2627	sub prepare_random_map {	2971	sub prepare_random_map {
2628	my ($exit) = @_;	2972	my ($exit) = @_;
2629		2973
2630	my $guard = cf::lock_acquire "exit_prepare:$exit";
2631
2632	# all this does is basically replace the /! path by	2974	# all this does is basically replace the /! path by
2633	# a new random map path (?random/...) with a seed	2975	# a new random map path (?random/...) with a seed
2634	# that depends on the exit object	2976	# that depends on the exit object
2635		2977
2636	my $rmp = parse_random_map_params $exit->msg;	2978	my $rmp = parse_random_map_params $exit->msg;
…		…
2638	if ($exit->map) {	2980	if ($exit->map) {
2639	$rmp->{region} = $exit->region->name;	2981	$rmp->{region} = $exit->region->name;
2640	$rmp->{origin_map} = $exit->map->path;	2982	$rmp->{origin_map} = $exit->map->path;
2641	$rmp->{origin_x} = $exit->x;	2983	$rmp->{origin_x} = $exit->x;
2642	$rmp->{origin_y} = $exit->y;	2984	$rmp->{origin_y} = $exit->y;
		2985
		2986	$exit->map->touch;
2643	}	2987	}
2644		2988
2645	$rmp->{random_seed} ||= $exit->random_seed;	2989	$rmp->{random_seed} ||= $exit->random_seed;
2646		2990
2647	my $data = cf::encode_json $rmp;	2991	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2648	my $md5 = Digest::MD5::md5_hex $data;	2992	my $md5 = Digest::MD5::md5_hex $data;
2649	my $meta = "$RANDOMDIR/$md5.meta";	2993	my $meta = "$RANDOMDIR/$md5.meta";
2650		2994
2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2995	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2652	aio_write $fh, 0, (length $data), $data, 0;	2996	aio_write $fh, 0, (length $data), $data, 0;
2653	undef $fh;	2997	undef $fh;
2654	aio_rename "$meta~", $meta;	2998	aio_rename "$meta~", $meta;
2655		2999
		3000	my $slaying = "?random/$md5";
		3001
		3002	if ($exit->valid) {
2656	$exit->slaying ("?random/$md5");	3003	$exit->slaying ("?random/$md5");
2657	$exit->msg (undef);	3004	$exit->msg (undef);
		3005	}
2658	}	3006	}
2659	}	3007	}
2660		3008
2661	sub cf::object::player::enter_exit {	3009	sub cf::object::player::enter_exit {
2662	my ($self, $exit) = @_;	3010	my ($self, $exit) = @_;
2663		3011
2664	return unless $self->type == cf::PLAYER;	3012	return unless $self->type == cf::PLAYER;
2665		3013
2666	if ($exit->slaying eq "/!") {
2667	#TODO: this should de-fi-ni-te-ly not be a sync-job
2668	# the problem is that $exit might not survive long enough
2669	# so it needs to be done right now, right here
2670	cf::sync_job { prepare_random_map $exit };
2671	}
2672
2673	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2674	my $hp = $exit->stats->hp;
2675	my $sp = $exit->stats->sp;
2676
2677	$self->enter_link;	3014	$self->enter_link;
2678		3015
2679	# if exit is damned, update players death & WoR home-position
2680	$self->contr->savebed ($slaying, $hp, $sp)
2681	if $exit->flag (FLAG_DAMNED);
2682
2683	(async {	3016	(async {
2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	3017	$Coro::current->{desc} = "enter_exit";
2685		3018
2686	$self->deactivate_recursive; # just to be sure
2687	unless (eval {	3019	unless (eval {
		3020	$self->deactivate_recursive; # just to be sure
		3021
		3022	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3023	my $x = $exit->stats->hp;
		3024	my $y = $exit->stats->sp;
		3025
		3026	# special map handling
		3027	my $slaying = $exit->slaying;
		3028
		3029	# special map handling
		3030	if ($slaying eq "/!") {
		3031	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3032
		3033	prepare_random_map $exit
		3034	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3035
		3036	$map = $exit->slaying;
		3037
		3038	} elsif ($slaying eq '!up') {
		3039	$map = $exit->map->tile_path (cf::TILE_UP);
		3040	$x = $exit->x;
		3041	$y = $exit->y;
		3042
		3043	} elsif ($slaying eq '!down') {
		3044	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3045	$x = $exit->x;
		3046	$y = $exit->y;
		3047	}
		3048
2688	$self->goto ($slaying, $hp, $sp);	3049	$self->goto ($map, $x, $y);
2689		3050
		3051	# if exit is damned, update players death & WoR home-position
		3052	$self->contr->savebed ($map, $x, $y)
		3053	if $exit->flag (cf::FLAG_DAMNED);
		3054
2690	1;	3055	1
2691	}) {	3056	}) {
2692	$self->message ("Something went wrong deep within the crossfire server. "	3057	$self->message ("Something went wrong deep within the deliantra server. "
2693	. "I'll try to bring you back to the map you were before. "	3058	. "I'll try to bring you back to the map you were before. "
2694	. "Please report this to the dungeon master!",	3059	. "Please report this to the dungeon master!",
2695	cf::NDI_UNIQUE | cf::NDI_RED);	3060	cf::NDI_UNIQUE | cf::NDI_RED);
2696		3061
2697	warn "ERROR in enter_exit: $@";	3062	error "ERROR in enter_exit: $@";
2698	$self->leave_link;	3063	$self->leave_link;
2699	}	3064	}
2700	})->prio (1);	3065	})->prio (1);
2701	}	3066	}
2702		3067
2703	=head3 cf::client	3068	=head3 cf::client
2704		3069
2705	=over 4	3070	=over 4
2706		3071
2707	=item $client->send_drawinfo ($text, $flags)	3072	=item $client->send_big_packet ($pkt)
2708		3073
2709	Sends a drawinfo packet to the client. Circumvents output buffering so	3074	Like C<send_packet>, but tries to compress large packets, and fragments
2710	should not be used under normal circumstances.	3075	them as required.
2711		3076
2712	=cut	3077	=cut
2713		3078
		3079	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3080
2714	sub cf::client::send_drawinfo {	3081	sub cf::client::send_big_packet {
2715	my ($self, $text, $flags) = @_;	3082	my ($self, $pkt) = @_;
2716		3083
2717	utf8::encode $text;	3084	# try lzf for large packets
2718	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3085	$pkt = "lzf " . Compress::LZF::compress $pkt
		3086	if 1024 <= length $pkt and $self->{can_lzf};
		3087
		3088	# split very large packets
		3089	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3090	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3091	$pkt = "frag";
		3092	}
		3093
		3094	$self->send_packet ($pkt);
2719	}	3095	}
2720		3096
2721	=item $client->send_msg ($channel, $msg, $color, [extra...])	3097	=item $client->send_msg ($channel, $msg, $color, [extra...])
2722		3098
2723	Send a drawinfo or msg packet to the client, formatting the msg for the	3099	Send a msg packet to the client, formatting the msg for the client if
2724	client if neccessary. C<$type> should be a string identifying the type of	3100	necessary. C<$type> should be a string identifying the type of the
2725	the message, with C<log> being the default. If C<$color> is negative, suppress	3101	message, with C<log> being the default. If C<$color> is negative, suppress
2726	the message unless the client supports the msg packet.	3102	the message unless the client supports the msg packet.
2727		3103
2728	=cut	3104	=cut
2729		3105
2730	# non-persistent channels (usually the info channel)	3106	# non-persistent channels (usually the info channel)
2731	our %CHANNEL = (	3107	our %CHANNEL = (
		3108	"c/motd" => {
		3109	id => "infobox",
		3110	title => "MOTD",
		3111	reply => undef,
		3112	tooltip => "The message of the day",
		3113	},
2732	"c/identify" => {	3114	"c/identify" => {
2733	id => "infobox",	3115	id => "infobox",
2734	title => "Identify",	3116	title => "Identify",
2735	reply => undef,	3117	reply => undef,
2736	tooltip => "Items recently identified",	3118	tooltip => "Items recently identified",
…		…
2738	"c/examine" => {	3120	"c/examine" => {
2739	id => "infobox",	3121	id => "infobox",
2740	title => "Examine",	3122	title => "Examine",
2741	reply => undef,	3123	reply => undef,
2742	tooltip => "Signs and other items you examined",	3124	tooltip => "Signs and other items you examined",
		3125	},
		3126	"c/shopinfo" => {
		3127	id => "infobox",
		3128	title => "Shop Info",
		3129	reply => undef,
		3130	tooltip => "What your bargaining skill tells you about the shop",
2743	},	3131	},
2744	"c/book" => {	3132	"c/book" => {
2745	id => "infobox",	3133	id => "infobox",
2746	title => "Book",	3134	title => "Book",
2747	reply => undef,	3135	reply => undef,
…		…
2763	id => "infobox",	3151	id => "infobox",
2764	title => "Body Parts",	3152	title => "Body Parts",
2765	reply => undef,	3153	reply => undef,
2766	tooltip => "Shows which body parts you posess and are available",	3154	tooltip => "Shows which body parts you posess and are available",
2767	},	3155	},
		3156	"c/statistics" => {
		3157	id => "infobox",
		3158	title => "Statistics",
		3159	reply => undef,
		3160	tooltip => "Shows your primary statistics",
		3161	},
		3162	"c/skills" => {
		3163	id => "infobox",
		3164	title => "Skills",
		3165	reply => undef,
		3166	tooltip => "Shows your experience per skill and item power",
		3167	},
		3168	"c/shopitems" => {
		3169	id => "infobox",
		3170	title => "Shop Items",
		3171	reply => undef,
		3172	tooltip => "Shows the items currently for sale in this shop",
		3173	},
		3174	"c/resistances" => {
		3175	id => "infobox",
		3176	title => "Resistances",
		3177	reply => undef,
		3178	tooltip => "Shows your resistances",
		3179	},
		3180	"c/pets" => {
		3181	id => "infobox",
		3182	title => "Pets",
		3183	reply => undef,
		3184	tooltip => "Shows information abotu your pets/a specific pet",
		3185	},
		3186	"c/perceiveself" => {
		3187	id => "infobox",
		3188	title => "Perceive Self",
		3189	reply => undef,
		3190	tooltip => "You gained detailed knowledge about yourself",
		3191	},
2768	"c/uptime" => {	3192	"c/uptime" => {
2769	id => "infobox",	3193	id => "infobox",
2770	title => "Uptime",	3194	title => "Uptime",
2771	reply => undef,	3195	reply => undef,
2772	tooltip => "How long the server has been running since last restart",	3196	tooltip => "How long the server has been running since last restart",
…		…
2775	id => "infobox",	3199	id => "infobox",
2776	title => "Map Info",	3200	title => "Map Info",
2777	reply => undef,	3201	reply => undef,
2778	tooltip => "Information related to the maps",	3202	tooltip => "Information related to the maps",
2779	},	3203	},
		3204	"c/party" => {
		3205	id => "party",
		3206	title => "Party",
		3207	reply => "gsay ",
		3208	tooltip => "Messages and chat related to your party",
		3209	},
		3210	"c/death" => {
		3211	id => "death",
		3212	title => "Death",
		3213	reply => undef,
		3214	tooltip => "Reason for and more info about your most recent death",
		3215	},
		3216	"c/fatal" => {
		3217	id => "fatal",
		3218	title => "Fatal Error",
		3219	reply => undef,
		3220	tooltip => "Reason for the server disconnect",
		3221	},
		3222	"c/say" => $SAY_CHANNEL,
		3223	"c/chat" => $CHAT_CHANNEL,
2780	);	3224	);
2781		3225
2782	sub cf::client::send_msg {	3226	sub cf::client::send_msg {
2783	my ($self, $channel, $msg, $color, @extra) = @_;	3227	my ($self, $channel, $msg, $color, @extra) = @_;
2784		3228
2785	$msg = $self->pl->expand_cfpod ($msg);	3229	$msg = $self->pl->expand_cfpod ($msg)
		3230	unless $color & cf::NDI_VERBATIM;
2786		3231
2787	$color &= cf::NDI_CLIENT_MASK; # just in case...	3232	$color &= cf::NDI_CLIENT_MASK; # just in case...
2788		3233
2789	# check predefined channels, for the benefit of C	3234	# check predefined channels, for the benefit of C
2790	if ($CHANNEL{$channel}) {	3235	if ($CHANNEL{$channel}) {
2791	$channel = $CHANNEL{$channel};	3236	$channel = $CHANNEL{$channel};
2792		3237
2793	$self->ext_msg (channel_info => $channel)	3238	$self->ext_msg (channel_info => $channel);
2794	if $self->can_msg;
2795
2796	$channel = $channel->{id};	3239	$channel = $channel->{id};
2797		3240
2798	} elsif (ref $channel) {	3241	} elsif (ref $channel) {
2799	# send meta info to client, if not yet sent	3242	# send meta info to client, if not yet sent
2800	unless (exists $self->{channel}{$channel->{id}}) {	3243	unless (exists $self->{channel}{$channel->{id}}) {
2801	$self->{channel}{$channel->{id}} = $channel;	3244	$self->{channel}{$channel->{id}} = $channel;
2802	$self->ext_msg (channel_info => $channel)	3245	$self->ext_msg (channel_info => $channel);
2803	if $self->can_msg;
2804	}	3246	}
2805		3247
2806	$channel = $channel->{id};	3248	$channel = $channel->{id};
2807	}	3249	}
2808		3250
2809	return unless @extra || length $msg;	3251	return unless @extra || length $msg;
2810		3252
2811	if ($self->can_msg) {
2812	# default colour, mask it out	3253	# default colour, mask it out
2813	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3254	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2814	if $color & cf::NDI_DEF;	3255	if $color & cf::NDI_DEF;
2815		3256
2816	$self->send_packet ("msg " . $self->{json_coder}->encode (	3257	my $pkt = "msg "
		3258	. $self->{json_coder}->encode (
2817	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3259	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2818	} else {	3260	);
2819	if ($color >= 0) {
2820	# replace some tags by gcfclient-compatible ones
2821	for ($msg) {
2822	1 while
2823	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2824	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2825	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2826	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2827	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2828	}
2829		3261
2830	$color &= cf::NDI_COLOR_MASK;	3262	$self->send_big_packet ($pkt);
2831
2832	utf8::encode $msg;
2833
2834	if (0 && $msg =~ /\[/) {
2835	# COMMAND/INFO
2836	$self->send_packet ("drawextinfo $color 10 8 $msg")
2837	} else {
2838	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2839	$self->send_packet ("drawinfo $color $msg")
2840	}
2841	}
2842	}
2843	}	3263	}
2844		3264
2845	=item $client->ext_msg ($type, @msg)	3265	=item $client->ext_msg ($type, @msg)
2846		3266
2847	Sends an ext event to the client.	3267	Sends an ext event to the client.
…		…
2849	=cut	3269	=cut
2850		3270
2851	sub cf::client::ext_msg($$@) {	3271	sub cf::client::ext_msg($$@) {
2852	my ($self, $type, @msg) = @_;	3272	my ($self, $type, @msg) = @_;
2853		3273
2854	if ($self->extcmd == 2) {
2855	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3274	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2856	} elsif ($self->extcmd == 1) { # TODO: remove
2857	push @msg, msgtype => "event_$type";
2858	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2859	}
2860	}
2861
2862	=item $client->ext_reply ($msgid, @msg)
2863
2864	Sends an ext reply to the client.
2865
2866	=cut
2867
2868	sub cf::client::ext_reply($$@) {
2869	my ($self, $id, @msg) = @_;
2870
2871	if ($self->extcmd == 2) {
2872	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2873	} elsif ($self->extcmd == 1) {
2874	#TODO: version 1, remove
2875	unshift @msg, msgtype => "reply", msgid => $id;
2876	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2877	}
2878	}	3275	}
2879		3276
2880	=item $success = $client->query ($flags, "text", \&cb)	3277	=item $success = $client->query ($flags, "text", \&cb)
2881		3278
2882	Queues a query to the client, calling the given callback with	3279	Queues a query to the client, calling the given callback with
…		…
2902		3299
2903	$self->send_packet ($self->{query_queue}[0][0])	3300	$self->send_packet ($self->{query_queue}[0][0])
2904	if @{ $self->{query_queue} } == 1;	3301	if @{ $self->{query_queue} } == 1;
2905		3302
2906	1	3303	1
		3304	}
		3305
		3306	=item $client->update_command_faces
		3307
		3308	=cut
		3309
		3310	our %COMMAND_FACE;
		3311
		3312	sub cf::client::update_command_faces {
		3313	my ($self) = @_;
		3314
		3315	my @faces = grep $_,
		3316	$COMMAND_FACE{preferred},
		3317	$COMMAND_FACE{standard},
		3318	$COMMAND_FACE{skill},
		3319	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3320	$COMMAND_FACE{emote},
		3321	;
		3322
		3323	$self->send_face ($_)
		3324	for @faces;
		3325	$self->flush_fx;
		3326
		3327	$self->ext_msg (command_list => @faces);
		3328	}
		3329
		3330	=item cf::client::set_command_face $type, $commands
		3331
		3332	=cut
		3333
		3334	sub cf::client::set_command_face {
		3335	my ($type, $list) = @_;
		3336
		3337	my $idx = &cf::face::set ( #d# ugly forward reference
		3338	"command_list/$type" => cf::FT_RSRC,
		3339	JSON::XS->new->utf8->encode ([ sort @$list ])
		3340	);
		3341
		3342	$COMMAND_FACE{$type} = $idx;
2907	}	3343	}
2908		3344
2909	cf::client->attach (	3345	cf::client->attach (
2910	on_connect => sub {	3346	on_connect => sub {
2911	my ($ns) = @_;	3347	my ($ns) = @_;
…		…
2937	my ($ns, $buf) = @_;	3373	my ($ns, $buf) = @_;
2938		3374
2939	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3375	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2940		3376
2941	if (ref $msg) {	3377	if (ref $msg) {
2942	my ($type, $reply, @payload) =	3378	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2943	"ARRAY" eq ref $msg
2944	? @$msg
2945	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2946		3379
2947	my @reply;
2948
2949	if (my $cb = $EXTICMD{$type}) {	3380	if (my $cb = $EXTIACMD{$type}) {
		3381	$cb->(
		3382	$ns,
		3383	sub {
		3384	$ns->ext_msg ("reply-$reply", @_)
		3385	if $reply;
		3386	},
		3387	@payload
		3388	);
		3389	} else {
		3390	my @reply;
		3391
		3392	if (my $cb = $EXTICMD{$type}) {
2950	@reply = $cb->($ns, @payload);	3393	@reply = $cb->($ns, @payload);
		3394	}
		3395
		3396	$ns->ext_msg ("reply-$reply", @reply)
		3397	if $reply;
2951	}	3398	}
2952
2953	$ns->ext_reply ($reply, @reply)
2954	if $reply;
2955
2956	} else {	3399	} else {
2957	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3400	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2958	}	3401	}
2959		3402
2960	cf::override;	3403	cf::override;
2961	},	3404	},
2962	);	3405	);
…		…
2982		3425
2983	$coro	3426	$coro
2984	}	3427	}
2985		3428
2986	cf::client->attach (	3429	cf::client->attach (
2987	on_destroy => sub {	3430	on_client_destroy => sub {
2988	my ($ns) = @_;	3431	my ($ns) = @_;
2989		3432
2990	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3433	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2991	},	3434	},
2992	);	3435	);
…		…
3008	our $safe_hole = new Safe::Hole;	3451	our $safe_hole = new Safe::Hole;
3009		3452
3010	$SIG{FPE} = 'IGNORE';	3453	$SIG{FPE} = 'IGNORE';
3011		3454
3012	$safe->permit_only (Opcode::opset qw(	3455	$safe->permit_only (Opcode::opset qw(
3013	:base_core :base_mem :base_orig :base_math	3456	:base_core :base_mem :base_orig :base_math :base_loop
3014	grepstart grepwhile mapstart mapwhile	3457	grepstart grepwhile mapstart mapwhile
3015	sort time	3458	sort time
3016	));	3459	));
3017		3460
3018	# here we export the classes and methods available to script code	3461	# here we export the classes and methods available to script code
…		…
3021		3464
3022	The following functions and methods are available within a safe environment:	3465	The following functions and methods are available within a safe environment:
3023		3466
3024	cf::object	3467	cf::object
3025	contr pay_amount pay_player map x y force_find force_add destroy	3468	contr pay_amount pay_player map x y force_find force_add destroy
3026	insert remove name archname title slaying race decrease_ob_nr	3469	insert remove name archname title slaying race decrease split
		3470	value
3027		3471
3028	cf::object::player	3472	cf::object::player
3029	player	3473	player
3030		3474
3031	cf::player	3475	cf::player
…		…
3036		3480
3037	=cut	3481	=cut
3038		3482
3039	for (	3483	for (
3040	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3484	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3041	insert remove inv name archname title slaying race	3485	insert remove inv nrof name archname title slaying race
3042	decrease_ob_nr destroy)],	3486	decrease split destroy change_exp value msg lore send_msg)],
3043	["cf::object::player" => qw(player)],	3487	["cf::object::player" => qw(player)],
3044	["cf::player" => qw(peaceful)],	3488	["cf::player" => qw(peaceful send_msg)],
3045	["cf::map" => qw(trigger)],	3489	["cf::map" => qw(trigger)],
3046	) {	3490	) {
3047	no strict 'refs';
3048	my ($pkg, @funs) = @$_;	3491	my ($pkg, @funs) = @$_;
3049	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3492	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3050	for @funs;	3493	for @funs;
3051	}	3494	}
3052		3495
…		…
3067		3510
3068	my $qcode = $code;	3511	my $qcode = $code;
3069	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3512	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3070	$qcode =~ s/\n/\\n/g;	3513	$qcode =~ s/\n/\\n/g;
3071		3514
		3515	%vars = (_dummy => 0) unless %vars;
		3516
		3517	my @res;
3072	local $_;	3518	local $_;
3073	local @safe::cf::_safe_eval_args = values %vars;
3074		3519
3075	my $eval =	3520	my $eval =
3076	"do {\n"	3521	"do {\n"
3077	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3522	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3078	. "#line 0 \"{$qcode}\"\n"	3523	. "#line 0 \"{$qcode}\"\n"
3079	. $code	3524	. $code
3080	. "\n}"	3525	. "\n}"
3081	;	3526	;
3082		3527
		3528	if ($CFG{safe_eval}) {
3083	sub_generation_inc;	3529	sub_generation_inc;
		3530	local @safe::cf::_safe_eval_args = values %vars;
3084	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3531	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3085	sub_generation_inc;	3532	sub_generation_inc;
		3533	} else {
		3534	local @cf::_safe_eval_args = values %vars;
		3535	@res = wantarray ? eval eval : scalar eval $eval;
		3536	}
3086		3537
3087	if ($@) {	3538	if ($@) {
3088	warn "$@";	3539	warn "$@",
3089	warn "while executing safe code '$code'\n";	3540	"while executing safe code '$code'\n",
3090	warn "with arguments " . (join " ", %vars) . "\n";	3541	"with arguments " . (join " ", %vars) . "\n";
3091	}	3542	}
3092		3543
3093	wantarray ? @res : $res[0]	3544	wantarray ? @res : $res[0]
3094	}	3545	}
3095		3546
…		…
3109	=cut	3560	=cut
3110		3561
3111	sub register_script_function {	3562	sub register_script_function {
3112	my ($fun, $cb) = @_;	3563	my ($fun, $cb) = @_;
3113		3564
3114	no strict 'refs';	3565	$fun = "safe::$fun" if $CFG{safe_eval};
3115	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3566	*$fun = $safe_hole->wrap ($cb);
3116	}	3567	}
3117		3568
3118	=back	3569	=back
3119		3570
3120	=cut	3571	=cut
3121		3572
3122	#############################################################################	3573	#############################################################################
3123	# the server's init and main functions	3574	# the server's init and main functions
3124		3575
		3576	{
		3577	package cf::face;
		3578
		3579	our %HASH; # hash => idx
		3580	our @DATA; # dynamically-created facedata, only faceste 0 used
		3581	our @FOFS; # file offset, if > 0
		3582	our @SIZE; # size of face, in octets
		3583	our @META; # meta hash of face, if any
		3584	our $DATAFH; # facedata filehandle
		3585
		3586	# internal api, not finalised
		3587	sub set {
		3588	my ($name, $type, $data) = @_;
		3589
		3590	my $idx = cf::face::find $name;
		3591
		3592	if ($idx) {
		3593	delete $HASH{cf::face::get_csum $idx};
		3594	} else {
		3595	$idx = cf::face::alloc $name;
		3596	}
		3597
		3598	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3599
		3600	cf::face::set_type $idx, $type;
		3601	cf::face::set_csum $idx, 0, $hash;
		3602
		3603	# we need to destroy the SV itself, not just modify it, as a running ix
		3604	# might hold a reference to it: "delete" achieves that.
		3605	delete $FOFS[0][$idx];
		3606	delete $DATA[0][$idx];
		3607	$DATA[0][$idx] = $data;
		3608	$SIZE[0][$idx] = length $data;
		3609	delete $META[$idx];
		3610	$HASH{$hash} = $idx;#d#
		3611
		3612	$idx
		3613	}
		3614
		3615	sub _get_data($$$) {
		3616	my ($idx, $set, $cb) = @_;
		3617
		3618	if (defined $DATA[$set][$idx]) {
		3619	$cb->($DATA[$set][$idx]);
		3620	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3621	my $size = $SIZE[$set][$idx];
		3622	my $buf;
		3623	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3624	if ($_[0] == $size) {
		3625	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3626	$cb->($buf);
		3627	} else {
		3628	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3629	}
		3630	};
		3631	} else {
		3632	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3633	}
		3634	}
		3635
		3636	# rather ineffient
		3637	sub cf::face::get_data($;$) {
		3638	my ($idx, $set) = @_;
		3639
		3640	_get_data $idx, $set, Coro::rouse_cb;
		3641	Coro::rouse_wait
		3642	}
		3643
		3644	sub cf::face::ix {
		3645	my ($ns, $set, $idx, $pri) = @_;
		3646
		3647	_get_data $idx, $set, sub {
		3648	$ns->ix_send ($idx, $pri, $_[0]);
		3649	};
		3650	}
		3651	}
		3652
3125	sub load_facedata($) {	3653	sub load_facedata($) {
3126	my ($path) = @_;	3654	my ($path) = @_;
3127		3655
3128	# HACK to clear player env face cache, we need some signal framework
3129	# for this (global event?)
3130	%ext::player_env::MUSIC_FACE_CACHE = ();
3131
3132	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3656	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3133		3657
3134	warn "loading facedata from $path\n";	3658	trace "loading facedata from $path\n";
3135		3659
3136	my $facedata;	3660	my $facedata = decode_storable load_file "$path/faceinfo";
3137	0 < aio_load $path, $facedata
3138	or die "$path: $!";
3139
3140	$facedata = Coro::Storable::thaw $facedata;
3141		3661
3142	$facedata->{version} == 2	3662	$facedata->{version} == 2
3143	or cf::cleanup "$path: version mismatch, cannot proceed.";	3663	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3144		3664
3145	# patch in the exptable	3665	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3146	$facedata->{resource}{"res/exp_table"} = {	3666	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3147	type => FT_RSRC,	3667
3148	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3668	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3149	};	3669
3150	cf::cede_to_tick;	3670	# BEGIN ATOMIC
		3671	# from here on, everything must be atomic - no thread switch allowed
		3672	my $t1 = EV::time;
3151		3673
3152	{	3674	{
3153	my $faces = $facedata->{faceinfo};	3675	my $faces = $facedata->{faceinfo};
3154		3676
3155	while (my ($face, $info) = each %$faces) {	3677	for my $face (sort keys %$faces) {
		3678	my $info = $faces->{$face};
3156	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3679	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3157		3680
3158	cf::face::set_visibility $idx, $info->{visibility};	3681	cf::face::set_visibility $idx, $info->{visibility};
3159	cf::face::set_magicmap $idx, $info->{magicmap};	3682	cf::face::set_magicmap $idx, $info->{magicmap};
3160	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3683	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3161	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3684	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3162		3685	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3163	cf::cede_to_tick;	3686	$cf::face::HASH{$info->{hash64}} = $idx;
		3687	delete $cf::face::META[$idx];
3164	}	3688	}
3165		3689
3166	while (my ($face, $info) = each %$faces) {	3690	while (my ($face, $info) = each %$faces) {
3167	next unless $info->{smooth};	3691	next unless $info->{smooth};
3168		3692
…		…
3171		3695
3172	if (my $smooth = cf::face::find $info->{smooth}) {	3696	if (my $smooth = cf::face::find $info->{smooth}) {
3173	cf::face::set_smooth $idx, $smooth;	3697	cf::face::set_smooth $idx, $smooth;
3174	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3698	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3175	} else {	3699	} else {
3176	warn "smooth face '$info->{smooth}' not found for face '$face'";	3700	error "smooth face '$info->{smooth}' not found for face '$face'";
3177	}	3701	}
3178
3179	cf::cede_to_tick;
3180	}	3702	}
3181	}	3703	}
3182		3704
3183	{	3705	{
3184	my $anims = $facedata->{animinfo};	3706	my $anims = $facedata->{animinfo};
3185		3707
3186	while (my ($anim, $info) = each %$anims) {	3708	while (my ($anim, $info) = each %$anims) {
3187	cf::anim::set $anim, $info->{frames}, $info->{facings};	3709	cf::anim::set $anim, $info->{frames}, $info->{facings};
3188	cf::cede_to_tick;
3189	}	3710	}
3190		3711
3191	cf::anim::invalidate_all; # d'oh	3712	cf::anim::invalidate_all; # d'oh
3192	}	3713	}
3193		3714
3194	{	3715	{
3195	# TODO: for gcfclient pleasure, we should give resources
3196	# that gcfclient doesn't grok a >10000 face index.
3197	my $res = $facedata->{resource};	3716	my $res = $facedata->{resource};
3198		3717
3199	while (my ($name, $info) = each %$res) {	3718	while (my ($name, $info) = each %$res) {
3200	if (defined $info->{type}) {	3719	if (defined (my $type = $info->{type})) {
		3720	# TODO: different hash - must free and use new index, or cache ixface data queue
3201	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3721	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3202	my $data;
3203		3722
3204	if ($info->{type} & 1) {
3205	# prepend meta info
3206
3207	my $meta = $enc->encode ({
3208	name => $name,
3209	%{ $info->{meta} || {} },
3210	});
3211
3212	$data = pack "(w/a*)*", $meta, $info->{data};
3213	} else {
3214	$data = $info->{data};
3215	}
3216
3217	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3218	cf::face::set_type $idx, $info->{type};	3723	cf::face::set_type $idx, $type;
		3724	cf::face::set_csum $idx, 0, $info->{hash};
		3725	$cf::face::SIZE[0][$idx] = $info->{size};
		3726	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3727	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3728	$cf::face::HASH{$info->{hash}} = $idx;
3219	} else {	3729	} else {
3220	$RESOURCE{$name} = $info;	3730	# $RESOURCE{$name} = $info; # unused
3221	}	3731	}
3222
3223	cf::cede_to_tick;
3224	}	3732	}
3225	}	3733	}
		3734
		3735	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3736
		3737	# HACK to clear player env face cache, we need some signal framework
		3738	# for this (global event?)
		3739	%ext::player_env::MUSIC_FACE_CACHE = ();
		3740
		3741	# END ATOMIC
		3742
		3743	cf::debug "facedata atomic update time ", EV::time - $t1;
3226		3744
3227	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3745	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3228		3746
		3747	aio_close $fh if $fh; # close old facedata
		3748
3229	1	3749	1
3230	}	3750	}
3231
3232	cf::global->attach (on_resource_update => sub {
3233	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3234	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3235
3236	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3237	my $sound = $soundconf->{compat}[$_]
3238	or next;
3239
3240	my $face = cf::face::find "sound/$sound->[1]";
3241	cf::sound::set $sound->[0] => $face;
3242	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3243	}
3244
3245	while (my ($k, $v) = each %{$soundconf->{event}}) {
3246	my $face = cf::face::find "sound/$v";
3247	cf::sound::set $k => $face;
3248	}
3249	}
3250	});
3251		3751
3252	register_exticmd fx_want => sub {	3752	register_exticmd fx_want => sub {
3253	my ($ns, $want) = @_;	3753	my ($ns, $want) = @_;
3254		3754
3255	while (my ($k, $v) = each %$want) {	3755	while (my ($k, $v) = each %$want) {
3256	$ns->fx_want ($k, $v);	3756	$ns->fx_want ($k, $v);
3257	}	3757	}
3258	};	3758	};
		3759
		3760	sub load_resource_file($) {
		3761	my $guard = lock_acquire "load_resource_file";
		3762
		3763	my $status = load_resource_file_ $_[0];
		3764	get_slot 0.1, 100;
		3765	cf::arch::commit_load;
		3766
		3767	$status
		3768	}
		3769
		3770	sub reload_exp_table {
		3771	_reload_exp_table;
		3772
		3773	cf::face::set
		3774	"res/exp_table" => FT_RSRC,
		3775	JSON::XS->new->utf8->canonical->encode (
		3776	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3777	);
		3778	}
		3779
		3780	sub reload_materials {
		3781	_reload_materials;
		3782	}
3259		3783
3260	sub reload_regions {	3784	sub reload_regions {
3261	# HACK to clear player env face cache, we need some signal framework	3785	# HACK to clear player env face cache, we need some signal framework
3262	# for this (global event?)	3786	# for this (global event?)
3263	%ext::player_env::MUSIC_FACE_CACHE = ();	3787	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3270	if exists $_->{match};	3794	if exists $_->{match};
3271	}	3795	}
3272	}	3796	}
3273		3797
3274	sub reload_facedata {	3798	sub reload_facedata {
3275	load_facedata "$DATADIR/facedata"	3799	load_facedata $DATADIR
3276	or die "unable to load facedata\n";	3800	or die "unable to load facedata\n";
3277	}	3801	}
3278		3802
3279	sub reload_archetypes {	3803	sub reload_archetypes {
3280	load_resource_file "$DATADIR/archetypes"	3804	load_resource_file "$DATADIR/archetypes"
3281	or die "unable to load archetypes\n";	3805	or die "unable to load archetypes\n";
3282	#d# NEED to laod twice to resolve forward references	3806
3283	# this really needs to be done in an extra post-pass	3807	cf::face::set
3284	# (which needs to be synchronous, so solve it differently)	3808	"res/skill_info" => FT_RSRC,
3285	load_resource_file "$DATADIR/archetypes"	3809	JSON::XS->new->utf8->canonical->encode (
3286	or die "unable to load archetypes\n";	3810	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3811	);
		3812
		3813	cf::face::set
		3814	"res/spell_paths" => FT_RSRC,
		3815	JSON::XS->new->utf8->canonical->encode (
		3816	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3817	);
		3818
		3819	# command completion
		3820	my @commands;
		3821
		3822	for (0..cf::arch::skillvec_size - 1) {
		3823	my $skill = cf::arch::skillvec $_;
		3824	my $name = $skill->name;
		3825	my $flags = cf::skill_flags $skill->subtype;
		3826
		3827	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3828	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3829	}
		3830
		3831	cf::client::set_command_face skill => \@commands;
3287	}	3832	}
3288		3833
3289	sub reload_treasures {	3834	sub reload_treasures {
3290	load_resource_file "$DATADIR/treasures"	3835	load_resource_file "$DATADIR/treasures"
3291	or die "unable to load treasurelists\n";	3836	or die "unable to load treasurelists\n";
3292	}	3837	}
3293		3838
		3839	sub reload_sound {
		3840	trace "loading sound config from $DATADIR/sound\n";
		3841
		3842	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3843
		3844	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3845	my $sound = $soundconf->{compat}[$_]
		3846	or next;
		3847
		3848	my $face = cf::face::find "sound/$sound->[1]";
		3849	cf::sound::set $sound->[0] => $face;
		3850	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3851	}
		3852
		3853	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3854	my $face = cf::face::find "sound/$v";
		3855	cf::sound::set $k => $face;
		3856	}
		3857	}
		3858
3294	sub reload_resources {	3859	sub reload_resources {
3295	warn "reloading resource files...\n";	3860	trace "reloading resource files...\n";
3296		3861
		3862	reload_materials;
		3863	reload_facedata;
		3864	reload_exp_table;
		3865	reload_sound;
		3866	reload_archetypes;
3297	reload_regions;	3867	reload_regions;
3298	reload_facedata;
3299	#reload_archetypes;#d#
3300	reload_archetypes;
3301	reload_treasures;	3868	reload_treasures;
3302		3869
3303	warn "finished reloading resource files\n";	3870	trace "finished reloading resource files\n";
3304	}
3305
3306	sub init {
3307	reload_resources;
3308	}	3871	}
3309		3872
3310	sub reload_config {	3873	sub reload_config {
3311	open my $fh, "<:utf8", "$CONFDIR/config"	3874	trace "reloading config file...\n";
3312	or return;
3313		3875
3314	local $/;	3876	my $config = load_file "$CONFDIR/config";
3315	*CFG = YAML::Load <$fh>;	3877	utf8::decode $config;
		3878	*CFG = decode_yaml $config;
3316		3879
3317	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3880	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3318		3881
3319	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3882	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3320	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3883	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3321		3884
3322	if (exists $CFG{mlockall}) {	3885	if (exists $CFG{mlockall}) {
…		…
3326	};	3889	};
3327	warn $@ if $@;	3890	warn $@ if $@;
3328	}	3891	}
3329	}	3892	}
3330		3893
		3894	sub pidfile() {
		3895	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3896	or die "$PIDFILE: $!";
		3897	flock $fh, &Fcntl::LOCK_EX
		3898	or die "$PIDFILE: flock: $!";
		3899	$fh
		3900	}
		3901
		3902	# make sure only one server instance is running at any one time
		3903	sub atomic {
		3904	my $fh = pidfile;
		3905
		3906	my $pid = <$fh>;
		3907	kill 9, $pid if $pid > 0;
		3908
		3909	seek $fh, 0, 0;
		3910	print $fh $$;
		3911	}
		3912
		3913	sub main_loop {
		3914	trace "EV::loop starting\n";
		3915	if (1) {
		3916	EV::loop;
		3917	}
		3918	trace "EV::loop returned\n";
		3919	goto &main_loop unless $REALLY_UNLOOP;
		3920	}
		3921
3331	sub main {	3922	sub main {
		3923	cf::init_globals; # initialise logging
		3924
		3925	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3926	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3927	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3928	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3929
		3930	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3931
3332	# we must not ever block the main coroutine	3932	# we must not ever block the main coroutine
3333	local $Coro::idle = sub {	3933	$Coro::idle = sub {
3334	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3934	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3335	(async {	3935	(async {
3336	$Coro::current->{desc} = "IDLE BUG HANDLER";	3936	$Coro::current->{desc} = "IDLE BUG HANDLER";
3337	EV::loop EV::LOOP_ONESHOT;	3937	EV::loop EV::LOOP_ONESHOT;
3338	})->prio (Coro::PRIO_MAX);	3938	})->prio (Coro::PRIO_MAX);
3339	};	3939	};
3340		3940
		3941	evthread_start IO::AIO::poll_fileno;
		3942
		3943	cf::sync_job {
		3944	cf::incloader::init ();
		3945
		3946	db_init;
		3947
		3948	cf::init_anim;
		3949	cf::init_attackmess;
		3950	cf::init_dynamic;
		3951
		3952	cf::load_settings;
		3953
		3954	reload_resources;
3341	reload_config;	3955	reload_config;
3342	db_init;	3956
		3957	cf::init_uuid;
		3958	cf::init_signals;
		3959	cf::init_skills;
		3960
		3961	cf::init_beforeplay;
		3962
		3963	atomic;
		3964
3343	load_extensions;	3965	load_extensions;
3344		3966
3345	$TICK_WATCHER->start;	3967	utime time, time, $RUNTIMEFILE;
3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3968
3347	EV::loop;	3969	# no (long-running) fork's whatsoever before this point(!)
		3970	use POSIX ();
		3971	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3972
		3973	cf::_post_init 0;
		3974	};
		3975
		3976	cf::object::thawer::errors_are_fatal 0;
		3977	info "parse errors in files are no longer fatal from this point on.\n";
		3978
		3979	AE::postpone {
		3980	undef &main; # free gobs of memory :)
		3981	};
		3982
		3983	goto &main_loop;
3348	}	3984	}
3349		3985
3350	#############################################################################	3986	#############################################################################
3351	# initialisation and cleanup	3987	# initialisation and cleanup
3352		3988
3353	# install some emergency cleanup handlers	3989	# install some emergency cleanup handlers
3354	BEGIN {	3990	BEGIN {
3355	our %SIGWATCHER = ();	3991	our %SIGWATCHER = ();
3356	for my $signal (qw(INT HUP TERM)) {	3992	for my $signal (qw(INT HUP TERM)) {
3357	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3993	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3358	cf::cleanup "SIG$signal";	3994	cf::cleanup "SIG$signal";
3359	};	3995	};
3360	}	3996	}
3361	}	3997	}
3362		3998
3363	sub write_runtime {	3999	sub write_runtime_sync {
3364	my $runtime = "$LOCALDIR/runtime";	4000	my $t0 = AE::time;
3365		4001
3366	# first touch the runtime file to show we are still running:	4002	# first touch the runtime file to show we are still running:
3367	# the fsync below can take a very very long time.	4003	# the fsync below can take a very very long time.
3368		4004
3369	IO::AIO::aio_utime $runtime, undef, undef;	4005	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3370		4006
3371	my $guard = cf::lock_acquire "write_runtime";	4007	my $guard = cf::lock_acquire "write_runtime";
3372		4008
3373	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4009	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3374	or return;	4010	or return;
3375		4011
3376	my $value = $cf::RUNTIME + 90 + 10;	4012	my $value = $cf::RUNTIME + 90 + 10;
3377	# 10 is the runtime save interval, for a monotonic clock	4013	# 10 is the runtime save interval, for a monotonic clock
3378	# 60 allows for the watchdog to kill the server.	4014	# 60 allows for the watchdog to kill the server.
…		…
3388	aio_utime $fh, undef, undef;	4024	aio_utime $fh, undef, undef;
3389		4025
3390	close $fh	4026	close $fh
3391	or return;	4027	or return;
3392		4028
3393	aio_rename "$runtime~", $runtime	4029	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3394	and return;	4030	and return;
3395		4031
3396	warn "runtime file written.\n";	4032	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3397		4033
3398	1	4034	1
		4035	}
		4036
		4037	our $uuid_lock;
		4038	our $uuid_skip;
		4039
		4040	sub write_uuid_sync($) {
		4041	$uuid_skip ||= $_[0];
		4042
		4043	return if $uuid_lock;
		4044	local $uuid_lock = 1;
		4045
		4046	my $uuid = "$LOCALDIR/uuid";
		4047
		4048	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4049	or return;
		4050
		4051	my $value = uuid_seq uuid_cur;
		4052
		4053	unless ($value) {
		4054	info "cowardly refusing to write zero uuid value!\n";
		4055	return;
		4056	}
		4057
		4058	my $value = uuid_str $value + $uuid_skip;
		4059	$uuid_skip = 0;
		4060
		4061	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4062	and return;
		4063
		4064	# always fsync - this file is important
		4065	aio_fsync $fh
		4066	and return;
		4067
		4068	close $fh
		4069	or return;
		4070
		4071	aio_rename "$uuid~", $uuid
		4072	and return;
		4073
		4074	trace "uuid file written ($value).\n";
		4075
		4076	1
		4077
		4078	}
		4079
		4080	sub write_uuid($$) {
		4081	my ($skip, $sync) = @_;
		4082
		4083	$sync ? write_uuid_sync $skip
		4084	: async { write_uuid_sync $skip };
3399	}	4085	}
3400		4086
3401	sub emergency_save() {	4087	sub emergency_save() {
3402	my $freeze_guard = cf::freeze_mainloop;	4088	my $freeze_guard = cf::freeze_mainloop;
3403		4089
3404	warn "enter emergency perl save\n";	4090	info "emergency_perl_save: enter\n";
		4091
		4092	# this is a trade-off: we want to be very quick here, so
		4093	# save all maps without fsync, and later call a global sync
		4094	# (which in turn might be very very slow)
		4095	local $USE_FSYNC = 0;
3405		4096
3406	cf::sync_job {	4097	cf::sync_job {
		4098	cf::write_runtime_sync; # external watchdog should not bark
		4099
3407	# use a peculiar iteration method to avoid tripping on perl	4100	# use a peculiar iteration method to avoid tripping on perl
3408	# refcount bugs in for. also avoids problems with players	4101	# refcount bugs in for. also avoids problems with players
3409	# and maps saved/destroyed asynchronously.	4102	# and maps saved/destroyed asynchronously.
3410	warn "begin emergency player save\n";	4103	info "emergency_perl_save: begin player save\n";
3411	for my $login (keys %cf::PLAYER) {	4104	for my $login (keys %cf::PLAYER) {
3412	my $pl = $cf::PLAYER{$login} or next;	4105	my $pl = $cf::PLAYER{$login} or next;
3413	$pl->valid or next;	4106	$pl->valid or next;
3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4107	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3415	$pl->save;	4108	$pl->save;
3416	}	4109	}
3417	warn "end emergency player save\n";	4110	info "emergency_perl_save: end player save\n";
3418		4111
3419	warn "begin emergency map save\n";	4112	cf::write_runtime_sync; # external watchdog should not bark
		4113
		4114	info "emergency_perl_save: begin map save\n";
3420	for my $path (keys %cf::MAP) {	4115	for my $path (keys %cf::MAP) {
3421	my $map = $cf::MAP{$path} or next;	4116	my $map = $cf::MAP{$path} or next;
3422	$map->valid or next;	4117	$map->valid or next;
3423	$map->save;	4118	$map->save;
3424	}	4119	}
3425	warn "end emergency map save\n";	4120	info "emergency_perl_save: end map save\n";
3426		4121
3427	warn "begin emergency database checkpoint\n";	4122	cf::write_runtime_sync; # external watchdog should not bark
		4123
		4124	info "emergency_perl_save: begin database checkpoint\n";
3428	BDB::db_env_txn_checkpoint $DB_ENV;	4125	BDB::db_env_txn_checkpoint $DB_ENV;
3429	warn "end emergency database checkpoint\n";	4126	info "emergency_perl_save: end database checkpoint\n";
		4127
		4128	info "emergency_perl_save: begin write uuid\n";
		4129	write_uuid_sync 1;
		4130	info "emergency_perl_save: end write uuid\n";
		4131
		4132	cf::write_runtime_sync; # external watchdog should not bark
		4133
		4134	trace "emergency_perl_save: syncing database to disk";
		4135	BDB::db_env_txn_checkpoint $DB_ENV;
		4136
		4137	info "emergency_perl_save: starting sync\n";
		4138	IO::AIO::aio_sync sub {
		4139	info "emergency_perl_save: finished sync\n";
		4140	};
		4141
		4142	cf::write_runtime_sync; # external watchdog should not bark
		4143
		4144	trace "emergency_perl_save: flushing outstanding aio requests";
		4145	while (IO::AIO::nreqs || BDB::nreqs) {
		4146	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4147	}
		4148
		4149	cf::write_runtime_sync; # external watchdog should not bark
3430	};	4150	};
3431		4151
3432	warn "leave emergency perl save\n";	4152	info "emergency_perl_save: leave\n";
3433	}	4153	}
3434		4154
3435	sub post_cleanup {	4155	sub post_cleanup {
3436	my ($make_core) = @_;	4156	my ($make_core) = @_;
3437		4157
		4158	IO::AIO::flush;
		4159
3438	warn Carp::longmess "post_cleanup backtrace"	4160	error Carp::longmess "post_cleanup backtrace"
3439	if $make_core;	4161	if $make_core;
		4162
		4163	my $fh = pidfile;
		4164	unlink $PIDFILE if <$fh> == $$;
		4165	}
		4166
		4167	# a safer delete_package, copied from Symbol
		4168	sub clear_package($) {
		4169	my $pkg = shift;
		4170
		4171	# expand to full symbol table name if needed
		4172	unless ($pkg =~ /^main::.*::$/) {
		4173	$pkg = "main$pkg" if $pkg =~ /^::/;
		4174	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4175	$pkg .= '::' unless $pkg =~ /::$/;
		4176	}
		4177
		4178	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4179	my $stem_symtab = *{$stem}{HASH};
		4180
		4181	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4182	or return;
		4183
		4184	# clear all symbols
		4185	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4186	for my $name (keys %$leaf_symtab) {
		4187	_gv_clear *{"$pkg$name"};
		4188	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4189	}
3440	}	4190	}
3441		4191
3442	sub do_reload_perl() {	4192	sub do_reload_perl() {
3443	# can/must only be called in main	4193	# can/must only be called in main
3444	if ($Coro::current != $Coro::main) {	4194	unless (in_main) {
3445	warn "can only reload from main coroutine";	4195	error "can only reload from main coroutine";
3446	return;	4196	return;
3447	}	4197	}
3448		4198
3449	warn "reloading...";	4199	return if $RELOAD++;
3450		4200
3451	warn "entering sync_job";	4201	my $t1 = AE::time;
3452		4202
		4203	while ($RELOAD) {
		4204	cf::get_slot 0.1, -1, "reload_perl";
		4205	info "perl_reload: reloading...";
		4206
		4207	trace "perl_reload: entering sync_job";
		4208
3453	cf::sync_job {	4209	cf::sync_job {
3454	cf::write_runtime; # external watchdog should not bark
3455	cf::emergency_save;	4210	#cf::emergency_save;
3456	cf::write_runtime; # external watchdog should not bark
3457		4211
3458	warn "syncing database to disk";
3459	BDB::db_env_txn_checkpoint $DB_ENV;
3460
3461	# if anything goes wrong in here, we should simply crash as we already saved
3462
3463	warn "flushing outstanding aio requests";
3464	for (;;) {
3465	BDB::flush;
3466	IO::AIO::flush;
3467	Coro::cede_notself;
3468	last unless IO::AIO::nreqs || BDB::nreqs;
3469	warn "iterate...";
3470	}
3471
3472	++$RELOAD;
3473
3474	warn "cancelling all extension coros";	4212	trace "perl_reload: cancelling all extension coros";
3475	$_->cancel for values %EXT_CORO;	4213	$_->cancel for values %EXT_CORO;
3476	%EXT_CORO = ();	4214	%EXT_CORO = ();
3477		4215
3478	warn "removing commands";	4216	trace "perl_reload: removing commands";
3479	%COMMAND = ();	4217	%COMMAND = ();
3480		4218
3481	warn "removing ext/exti commands";	4219	trace "perl_reload: removing ext/exti commands";
3482	%EXTCMD = ();	4220	%EXTCMD = ();
3483	%EXTICMD = ();	4221	%EXTICMD = ();
3484		4222
3485	warn "unloading/nuking all extensions";	4223	trace "perl_reload: unloading/nuking all extensions";
3486	for my $pkg (@EXTS) {	4224	for my $pkg (@EXTS) {
3487	warn "... unloading $pkg";	4225	trace "... unloading $pkg";
3488		4226
3489	if (my $cb = $pkg->can ("unload")) {	4227	if (my $cb = $pkg->can ("unload")) {
3490	eval {	4228	eval {
3491	$cb->($pkg);	4229	$cb->($pkg);
3492	1	4230	1
3493	} or warn "$pkg unloaded, but with errors: $@";	4231	} or error "$pkg unloaded, but with errors: $@";
		4232	}
		4233
		4234	trace "... clearing $pkg";
		4235	clear_package $pkg;
3494	}	4236	}
3495		4237
3496	warn "... nuking $pkg";
3497	Symbol::delete_package $pkg;
3498	}
3499
3500	warn "unloading all perl modules loaded from $LIBDIR";	4238	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3501	while (my ($k, $v) = each %INC) {	4239	while (my ($k, $v) = each %INC) {
3502	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4240	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3503		4241
3504	warn "... unloading $k";	4242	trace "... unloading $k";
3505	delete $INC{$k};	4243	delete $INC{$k};
3506		4244
3507	$k =~ s/\.pm$//;	4245	$k =~ s/\.pm$//;
3508	$k =~ s/\//::/g;	4246	$k =~ s/\//::/g;
3509		4247
3510	if (my $cb = $k->can ("unload_module")) {	4248	if (my $cb = $k->can ("unload_module")) {
3511	$cb->();	4249	$cb->();
		4250	}
		4251
		4252	clear_package $k;
3512	}	4253	}
3513		4254
3514	Symbol::delete_package $k;
3515	}
3516
3517	warn "getting rid of safe::, as good as possible";	4255	trace "perl_reload: getting rid of safe::, as good as possible";
3518	Symbol::delete_package "safe::$_"	4256	clear_package "safe::$_"
3519	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4257	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3520		4258
3521	warn "unloading cf.pm \"a bit\"";	4259	trace "perl_reload: unloading cf.pm \"a bit\"";
3522	delete $INC{"cf.pm"};	4260	delete $INC{"cf.pm"};
3523	delete $INC{"cf/pod.pm"};	4261	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3524		4262
3525	# don't, removes xs symbols, too,	4263	# don't, removes xs symbols, too,
3526	# and global variables created in xs	4264	# and global variables created in xs
3527	#Symbol::delete_package __PACKAGE__;	4265	#clear_package __PACKAGE__;
3528		4266
3529	warn "unload completed, starting to reload now";	4267	info "perl_reload: unload completed, starting to reload now";
3530		4268
3531	warn "reloading cf.pm";	4269	trace "perl_reload: reloading cf.pm";
3532	require cf;	4270	require cf;
3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4271	cf::_connect_to_perl_1;
3534		4272
3535	warn "loading config and database again";	4273	trace "perl_reload: loading config and database again";
3536	cf::reload_config;	4274	cf::reload_config;
3537		4275
3538	warn "loading extensions";	4276	trace "perl_reload: loading extensions";
3539	cf::load_extensions;	4277	cf::load_extensions;
3540		4278
		4279	if ($REATTACH_ON_RELOAD) {
3541	warn "reattaching attachments to objects/players";	4280	trace "perl_reload: reattaching attachments to objects/players";
3542	_global_reattach; # objects, sockets	4281	_global_reattach; # objects, sockets
3543	warn "reattaching attachments to maps";	4282	trace "perl_reload: reattaching attachments to maps";
3544	reattach $_ for values %MAP;	4283	reattach $_ for values %MAP;
3545	warn "reattaching attachments to players";	4284	trace "perl_reload: reattaching attachments to players";
3546	reattach $_ for values %PLAYER;	4285	reattach $_ for values %PLAYER;
		4286	}
3547		4287
3548	warn "leaving sync_job";	4288	cf::_post_init 1;
3549		4289
		4290	trace "perl_reload: leaving sync_job";
		4291
3550	1	4292	1
3551	} or do {	4293	} or do {
3552	warn $@;	4294	error $@;
3553	warn "error while reloading, exiting.";	4295	cf::cleanup "perl_reload: error, exiting.";
3554	exit 1;	4296	};
		4297
		4298	--$RELOAD;
3555	};	4299	}
3556		4300
3557	warn "reloaded";	4301	$t1 = AE::time - $t1;
		4302	info "perl_reload: completed in ${t1}s\n";
3558	};	4303	};
3559		4304
3560	our $RELOAD_WATCHER; # used only during reload	4305	our $RELOAD_WATCHER; # used only during reload
3561		4306
3562	sub reload_perl() {	4307	sub reload_perl() {
3563	# doing reload synchronously and two reloads happen back-to-back,	4308	# doing reload synchronously and two reloads happen back-to-back,
3564	# coro crashes during coro_state_free->destroy here.	4309	# coro crashes during coro_state_free->destroy here.
3565		4310
		4311	$RELOAD_WATCHER ||= cf::async {
		4312	Coro::AIO::aio_wait cache_extensions;
		4313
3566	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4314	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4315	do_reload_perl;
3567	undef $RELOAD_WATCHER;	4316	undef $RELOAD_WATCHER;
3568	do_reload_perl;	4317	};
3569	};	4318	};
3570	}	4319	}
3571		4320
3572	register_command "reload" => sub {	4321	register_command "reload" => sub {
3573	my ($who, $arg) = @_;	4322	my ($who, $arg) = @_;
…		…
3579	reload_perl;	4328	reload_perl;
3580	};	4329	};
3581	}	4330	}
3582	};	4331	};
3583		4332
3584	unshift @INC, $LIBDIR;	4333	#############################################################################
3585		4334
3586	my $bug_warning = 0;	4335	my $bug_warning = 0;
3587		4336
3588	our @WAIT_FOR_TICK;
3589	our @WAIT_FOR_TICK_BEGIN;
3590
3591	sub wait_for_tick {	4337	sub wait_for_tick() {
3592	return unless $TICK_WATCHER->is_active;	4338	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3593	return if $Coro::current == $Coro::main;
3594		4339
3595	my $signal = new Coro::Signal;	4340	$WAIT_FOR_TICK->wait;
3596	push @WAIT_FOR_TICK, $signal;
3597	$signal->wait;
3598	}	4341	}
3599		4342
3600	sub wait_for_tick_begin {	4343	sub wait_for_tick_begin() {
3601	return unless $TICK_WATCHER->is_active;	4344	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3602	return if $Coro::current == $Coro::main;
3603		4345
3604	my $signal = new Coro::Signal;	4346	my $signal = new Coro::Signal;
3605	push @WAIT_FOR_TICK_BEGIN, $signal;	4347	push @WAIT_FOR_TICK_BEGIN, $signal;
3606	$signal->wait;	4348	$signal->wait;
3607	}	4349	}
3608		4350
3609	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	4351	sub tick {
3610	if ($Coro::current != $Coro::main) {	4352	if ($Coro::current != $Coro::main) {
3611	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4353	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3612	unless ++$bug_warning > 10;	4354	unless ++$bug_warning > 10;
3613	return;	4355	return;
3614	}	4356	}
3615		4357
3616	$NOW = $tick_start = EV::now;	4358	cf::one_tick; # one server iteration
3617		4359
3618	cf::server_tick; # one server iteration	4360	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3619
3620	$RUNTIME += $TICK;
3621	$NEXT_TICK = $_[0]->at;
3622		4361
3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4362	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4363	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3625	Coro::async_pool {	4364	Coro::async_pool {
3626	$Coro::current->{desc} = "runtime saver";	4365	$Coro::current->{desc} = "runtime saver";
3627	write_runtime	4366	write_runtime_sync
3628	or warn "ERROR: unable to write runtime file: $!";	4367	or error "ERROR: unable to write runtime file: $!";
3629	};	4368	};
3630	}	4369	}
3631		4370
3632	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4371	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3633	$sig->send;	4372	$sig->send;
3634	}	4373	}
3635	while (my $sig = shift @WAIT_FOR_TICK) {	4374	$WAIT_FOR_TICK->broadcast;
3636	$sig->send;
3637	}
3638		4375
3639	$LOAD = ($NOW - $tick_start) / $TICK;	4376	$LOAD = ($NOW - $TICK_START) / $TICK;
3640	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4377	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3641		4378
3642	_post_tick;	4379	if (0) {
3643	};	4380	if ($NEXT_TICK) {
3644	$TICK_WATCHER->priority (EV::MAXPRI);	4381	my $jitter = $TICK_START - $NEXT_TICK;
		4382	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4383	debug "jitter $JITTER\n";#d#
		4384	}
		4385	}
		4386	}
3645		4387
3646	{	4388	{
3647	# configure BDB	4389	# configure BDB
		4390	info "initialising database";
3648		4391
3649	BDB::min_parallel 8;	4392	BDB::min_parallel 16;
3650	BDB::max_poll_reqs $TICK * 0.1;	4393	BDB::max_poll_reqs $TICK * 0.1;
3651	$Coro::BDB::WATCHER->priority (1);	4394	#$AnyEvent::BDB::WATCHER->priority (1);
3652		4395
3653	unless ($DB_ENV) {	4396	unless ($DB_ENV) {
3654	$DB_ENV = BDB::db_env_create;	4397	$DB_ENV = BDB::db_env_create;
3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4398	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3656	| BDB::LOG_AUTOREMOVE, 1);	4399	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4400	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4401	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4402	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3659		4403
3660	cf::sync_job {	4404	cf::sync_job {
3661	eval {	4405	eval {
…		…
3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4424	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3681	};	4425	};
3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4426	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4427	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3684	};	4428	};
		4429
		4430	info "database initialised";
3685	}	4431	}
3686		4432
3687	{	4433	{
3688	# configure IO::AIO	4434	# configure IO::AIO
3689		4435
		4436	info "initialising aio";
3690	IO::AIO::min_parallel 8;	4437	IO::AIO::min_parallel 8;
3691	IO::AIO::max_poll_time $TICK * 0.1;	4438	IO::AIO::max_poll_time $TICK * 0.1;
3692	$Coro::AIO::WATCHER->priority (1);	4439	undef $AnyEvent::AIO::WATCHER;
		4440	info "aio initialised";
3693	}	4441	}
3694		4442
3695	my $_log_backtrace;	4443	our $_log_backtrace;
		4444	our $_log_backtrace_last;
3696		4445
3697	sub _log_backtrace {	4446	sub _log_backtrace {
3698	my ($msg, @addr) = @_;	4447	my ($msg, @addr) = @_;
3699		4448
3700	$msg =~ s/\n//;	4449	$msg =~ s/\n$//;
3701		4450
		4451	if ($_log_backtrace_last eq $msg) {
		4452	LOG llevInfo, "[ABT] $msg\n";
		4453	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3702	# limit the # of concurrent backtraces	4454	# limit the # of concurrent backtraces
3703	if ($_log_backtrace < 2) {	4455	} elsif ($_log_backtrace < 2) {
		4456	$_log_backtrace_last = $msg;
3704	++$_log_backtrace;	4457	++$_log_backtrace;
		4458	my $perl_bt = Carp::longmess $msg;
3705	async {	4459	async {
3706	$Coro::current->{desc} = "abt $msg";	4460	$Coro::current->{desc} = "abt $msg";
3707		4461
3708	my @bt = fork_call {	4462	my @bt = fork_call {
3709	@addr = map { sprintf "%x", $_ } @addr;	4463	@addr = map { sprintf "%x", $_ } @addr;
…		…
3720	}	4474	}
3721		4475
3722	@funcs	4476	@funcs
3723	};	4477	};
3724		4478
3725	LOG llevInfo, "[ABT] $msg\n";	4479	LOG llevInfo, "[ABT] $perl_bt\n";
		4480	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3726	LOG llevInfo, "[ABT] $_\n" for @bt;	4481	LOG llevInfo, "[ABT] $_\n" for @bt;
3727	--$_log_backtrace;	4482	--$_log_backtrace;
3728	};	4483	};
3729	} else {	4484	} else {
3730	LOG llevInfo, "[ABT] $msg\n";	4485	LOG llevInfo, "[ABT] $msg\n";
3731	LOG llevInfo, "[ABT] [suppressed]\n";	4486	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3732	}	4487	}
3733	}	4488	}
3734		4489
3735	# load additional modules	4490	# load additional modules
3736	use cf::pod;	4491	require "cf/$_.pm" for @EXTRA_MODULES;
		4492	cf::_connect_to_perl_2;
3737		4493
3738	END { cf::emergency_save }	4494	END { cf::emergency_save }
3739		4495
3740	1	4496	1
3741		4497

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