ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.311 by root, Fri Jul 20 16:11:10 2007 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 Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	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;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
25	use JSON::XS 1.4 ();	57	use JSON::XS 2.01 ();
26	use BDB ();	58	use BDB ();
27	use Data::Dumper;	59	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	60	use Fcntl;
30	use YAML::Syck ();	61	use YAML::XS ();
31	use IO::AIO 2.32 ();	62	use IO::AIO ();
32	use Time::HiRes;
33	use Compress::LZF;	63	use Compress::LZF;
34	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
35		67
36	# configure various modules to our taste	68	# configure various modules to our taste
37	#	69	#
38	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
39	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";
40	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
41		78
42	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
43		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		81
49	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;
50		85
51	our %COMMAND = ();	86	our %COMMAND = ();
52	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
53		88
54	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
56	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
59		96
60	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
62		101
63	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
64	our $DATADIR = datadir;	104	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
68	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
		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;
74		125
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
80	our $NOW;	144	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		145
83	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
84	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
85
86	our %CFG;
87
88	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;
90
91	our %PLAYER; # all users
92	our %MAP; # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
94		149
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		152
98	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)
99	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
100	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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
101		165
102	binmode STDOUT;	166	binmode STDOUT;
103	binmode STDERR;	167	binmode STDERR;
104		168
105	# read virtual server time, if available	169	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
110	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
111		177
112	mkdir $_	178	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		180
115	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
116		182
117	sub cf::map::normalise;	183	sub cf::map::normalise;
118		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
119	#############################################################################	189	#############################################################################
120		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
121	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
122		203
123	=over 4	204	=over 4
124		205
125	=item $cf::UPTIME	206	=item $cf::UPTIME
126		207
127	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.
128		224
129	=item $cf::RUNTIME	225	=item $cf::RUNTIME
130		226
131	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
132	every server tick.	228	every server tick.
133		229
134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
137		233
138	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
140	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
141	database environment.	237	database environment.
142		238
143	=item $cf::NOW
144
145	The time of the last (current) server tick.
146
147	=item $cf::TICK
148
149	The interval between server ticks, in seconds.
150
151	=item $cf::LOADAVG	239	=item $cf::LOADAVG
152		240
153	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
154	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
155	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
158		246
159	The raw value load value from the last tick.	247	The raw value load value from the last tick.
160		248
161	=item %cf::CFG	249	=item %cf::CFG
162		250
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	252	from wherever your confdir points to.
165		253
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		255
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
169	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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();
171		277
172	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
173		279
174	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
175	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
176	that call.	282	that call.
177		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
178	=back	290	=back
179		291
180	=cut	292	=cut
181		293
182	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
183	*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 {
184	my $msg = join "", @_;	301	my $msg = join "", @_;
185		302
186	$msg .= "\n"	303	$msg .= "\n"
187	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
188		305
189	$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;
190		307
191	utf8::encode $msg;
192	LOG llevError, $msg;	308	LOG llevWarn, $msg;
193	};	309	};
194	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		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
		322	Coro::terminate
		323	};
195		324
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	335	for my $pkg (qw(
207	cf::global cf::attachable	336	cf::global cf::attachable
208	cf::object cf::object::player	337	cf::object cf::object::player
209	cf::client cf::player	338	cf::client cf::player
210	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
211	cf::map cf::party cf::region	341	cf::party cf::region
212	)) {	342	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	344	}
216		345
217	$Event::DIED = sub {	346	$EV::DIED = sub {
218	warn "error in event callback: @_";	347	warn "error in event callback: $@";
219	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
220		354
221	#############################################################################	355	#############################################################################
222		356
223	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
224		358
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	380	$d
247	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
248	}	382	}
249		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
250	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
251		437
252	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
253		439
254	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
255		441
256	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
257		443
258	=cut	444	=cut
259		445
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		447
262	sub to_json ($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
		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	}
264		512
265	=item cf::lock_wait $string	513	=item cf::lock_wait $string
266		514
267	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
268		516
269	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
270		518
271	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
272	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,
273	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
274	returned.	522	returned.
275		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
276	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
278		529
279	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
280		531
281	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.
282		533
283	=cut	534	=cut
284		535
285	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
286		537
287	sub lock_wait($) {	538	sub lock_wait($) {
288	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	540	}
296		541
297	sub lock_acquire($) {	542	sub lock_acquire($) {
298	my ($key) = @_;	543	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	544	}
310		545
311	sub lock_active($) {	546	sub lock_active($) {
312	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	548	}
316		549
317	sub freeze_mainloop {	550	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
319		552
320	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	554	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	Coro::cede;
		603
		604	my $avail = cf::till_tick;
		605
		606	for (0 .. $#SLOT_QUEUE) {
		607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
		609	my $job = splice @SLOT_QUEUE, $_, 1, ();
		610	$job->[2]->send;
		611	goto next_job;
		612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		614	}
		615	}
		616
		617	if (@SLOT_QUEUE) {
		618	wait_for_tick;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
322	};	623	}
323	$TICK_WATCHER->stop;	624	};
324	$guard	625
		626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
325	}	639	}
326		640
327	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
328		642
329	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		648
335	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
336		650
337	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
338		652
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
340	is always able to handle events or runnable, as Crossfire TRT is only	654	is always able to handle events or runnable, as Deliantra is only
341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342	acceptable.	656	acceptable.
343		657
344	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
345	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
…		…
349	=cut	663	=cut
350		664
351	sub sync_job(&) {	665	sub sync_job(&) {
352	my ($job) = @_;	666	my ($job) = @_;
353		667
354	if ($Coro::current == $Coro::main) {	668	if (in_main) {
355	my $time = Event::time;	669	my $time = AE::time;
356		670
357	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
359		673
360	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	675
362	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
363		677
364	my $busy = 1;	678	my $busy = 1;
365	my @res;	679	my @res;
366		680
367	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	683	@res = eval { $job->() };
369	warn $@ if $@;	684	error $@ if $@;
370	undef $busy;	685	undef $busy;
371	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
372		687
373	while ($busy) {	688	while ($busy) {
374	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
375	}	693	}
		694	}
376		695
377	$time = Event::time - $time;	696	my $time = AE::time - $time;
378		697
379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
383		699
384	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
385	} else {	701	} else {
386	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
387		703
…		…
407	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
408		724
409	$coro	725	$coro
410	}	726	}
411		727
412	=item fork_call { }, $args	728	=item fork_call { }, @args
413		729
414	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
415	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
416	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
417	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
418		734
419	=cut	735	=cut
420		736
421	sub _store_scalar {	737	sub post_fork {
422	open my $fh, ">", \my $buf	738	reset_signals;
423	or die "fork_call: cannot open fh-to-buf in child : $!";
424	Storable::store_fd $_[0], $fh;
425	close $fh;
426
427	$buf
428	}	739	}
429		740
430	sub fork_call(&@) {	741	sub fork_call(&@) {
431	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
432		743
433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	744	my @res = Coro::Util::fork_eval {
434	# or die "socketpair: $!";	745	cf::post_fork;
435	pipe my $fh1, my $fh2	746	&$cb
436	or die "pipe: $!";	747	} @args;
437		748
438	if (my $pid = fork) {	749	wantarray ? @res : $res[-1]
439	close $fh2;	750	}
440		751
441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	752	sub objinfo {
442	warn "pst<$res>" unless $res =~ /^pst/;
443	$res = Coro::Storable::thaw $res;
444
445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
446
447	Carp::confess $$res unless "ARRAY" eq ref $res;
448
449	return wantarray ? @$res : $res->[-1];
450	} else {
451	reset_signals;
452	local $SIG{__WARN__};
453	local $SIG{__DIE__};
454	# just in case, this hack effectively disables event
455	# in the child. cleaner and slower would be canceling all watchers,
456	# but this works for the time being.
457	local $Coro::idle;
458	$Coro::current->prio (Coro::PRIO_MAX);
459
460	eval {
461	close $fh1;
462
463	my @res = eval { $cb->(@args) };
464
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
466	close $fh2;
467	};
468
469	warn $@ if $@;
470	_exit 0;
471	}	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
472	}	788	}
473		789
474	=item $value = cf::db_get $family => $key	790	=item $value = cf::db_get $family => $key
475		791
476	Returns a single value from the environment database.	792	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	794	=item cf::db_put $family => $key => $value
479		795
480	Stores the given C<$value> in the family. It can currently store binary	796	Stores the given C<$value> in the family. It can currently store binary
481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	797	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
482		798
		799	=item $db = cf::db_table "name"
		800
		801	Create and/or open a new database table. The string must not be "db" and must be unique
		802	within each server.
		803
483	=cut	804	=cut
		805
		806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
		810	my ($name) = @_;
		811	my $db = BDB::db_create $DB_ENV;
		812
		813	eval {
		814	$db->set_flags (BDB::CHKSUM);
		815
		816	utf8::encode $name;
		817	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		818	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		819	cf::cleanup "db_open(db): $!" if $!;
		820	};
		821	cf::cleanup "db_open(db): $@" if $@;
		822
		823	$db
		824	}
484		825
485	our $DB;	826	our $DB;
486		827
487	sub db_init {	828	sub db_init {
488	unless ($DB) {	829	$DB ||= db_table "db";
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {
492	eval {
493	$DB->set_flags (BDB::CHKSUM);
494
495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497	cf::cleanup "db_open(db): $!" if $!;
498	};
499	cf::cleanup "db_open(db): $@" if $@;
500	};
501	}
502	}	830	}
503		831
504	sub db_get($$) {	832	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
506		834
507	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
508	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
509		839
510	$! ? ()	840	$! ? ()
511	: $data	841	: $data
512	}
513	}	842	}
514		843
515	sub db_put($$$) {	844	sub db_put($$$) {
516	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
545		874
546	my @data;	875	my @data;
547	my $md5;	876	my $md5;
548		877
549	for (0 .. $#$src) {	878	for (0 .. $#$src) {
550	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
551	or Carp::croak "$src->[$_]: $!";
552	}	880	}
553		881
554	# if processing is expensive, check	882	# if processing is expensive, check
555	# checksum first	883	# checksum first
556	if (1) {	884	if (1) {
557	$md5 =	885	$md5 =
558	join "\x00",	886	join "\x00",
559	$processversion,	887	$processversion,
560	map {	888	map {
561	Coro::cede;	889	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	890	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	891	} 0.. $#$src;
564		892
565		893
566	my $dbmd5 = db_get cache => "$id/md5";	894	my $dbmd5 = db_get cache => "$id/md5";
…		…
569		897
570	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
571	}	899	}
572	}	900	}
573		901
574	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
575	my $data = $process->(\@data);	903	my $data = $process->(\@data);
576	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
577		905
578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
579		907
580	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
581	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
582	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
583		911
…		…
593		921
594	=cut	922	=cut
595		923
596	sub datalog($@) {	924	sub datalog($@) {
597	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
599	}	927	}
600		928
601	=back	929	=back
602		930
603	=cut	931	=cut
604		932
605	#############################################################################	933	#############################################################################
606		934
607	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
608		936
609	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
610	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")
611	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
612		940
613	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>
614	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
615	Crossfire TRT).	943	Deliantra).
616		944
617	=over 4	945	=over 4
618		946
619	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
620		948
…		…
664	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
665		993
666	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
667	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
668		996
669	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
670	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.
671		999
672	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
673		1001
674	=over 4	1002	=over 4
…		…
798		1126
799	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
800	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
801		1129
802	} elsif (ref $type) {	1130	} elsif (ref $type) {
803	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
804		1132
805	} else {	1133	} else {
806	shift @arg;	1134	shift @arg;
807	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
808	}	1136	}
809	}	1137	}
810	}	1138	}
811		1139
812	sub _object_attach {	1140	sub _object_attach {
…		…
822	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
823	}	1151	}
824		1152
825	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
826	} else {	1154	} else {
827	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
828	}	1156	}
829		1157
830	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
831	}	1159	}
832		1160
…		…
891		1219
892	for (@$callbacks) {	1220	for (@$callbacks) {
893	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
894		1222
895	if ($@) {	1223	if ($@) {
896	warn "$@";
897	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
898	override;	1225	override;
899	}	1226	}
900		1227
901	return 1 if $override;	1228	return 1 if $override;
902	}	1229	}
903		1230
904	0	1231	0
905	}	1232	}
906		1233
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1235
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1237
911	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
912		1239
…		…
919	=cut	1246	=cut
920		1247
921	#############################################################################	1248	#############################################################################
922	# object support	1249	# object support
923		1250
		1251	sub _object_equal($$);
		1252	sub _object_equal($$) {
		1253	my ($a, $b) = @_;
		1254
		1255	return 0 unless (ref $a) eq (ref $b);
		1256
		1257	if ("HASH" eq ref $a) {
		1258	my @ka = keys %$a;
		1259	my @kb = keys %$b;
		1260
		1261	return 0 if @ka != @kb;
		1262
		1263	for (0 .. $#ka) {
		1264	return 0 unless $ka[$_] eq $kb[$_];
		1265	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1266	}
		1267
		1268	} elsif ("ARRAY" eq ref $a) {
		1269
		1270	return 0 if @$a != @$b;
		1271
		1272	for (0 .. $#$a) {
		1273	return 0 unless _object_equal $a->[$_], $b->[$_];
		1274	}
		1275
		1276	} elsif ($a ne $b) {
		1277	return 0;
		1278	}
		1279
		1280	1
		1281	}
		1282
		1283	our $SLOW_MERGES;#d#
		1284	sub _can_merge {
		1285	my ($ob1, $ob2) = @_;
		1286
		1287	++$SLOW_MERGES;#d#
		1288
		1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
		1291	}
		1292
924	sub reattach {	1293	sub reattach {
925	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
926	my ($obj) = @_;	1295	my ($obj) = @_;
927		1296
		1297	# no longer needed after getting rid of delete_package?
928	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
929		1299
930	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
931		1301
932	@$registry = ();	1302	@$registry = ();
933		1303
…		…
938	for (@$attach) {	1308	for (@$attach) {
939	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
940	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
941	}	1311	}
942	} else {	1312	} else {
943	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
944	}	1314	}
945	}	1315	}
946	}	1316	}
947		1317
948	cf::attachable->attach (	1318	cf::attachable->attach (
949	prio => -1000000,	1319	prio => -1000000,
950	on_instantiate => sub {	1320	on_instantiate => sub {
951	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
952		1322
953	$data = from_json $data;	1323	$data = decode_json $data;
954		1324
955	for (@$data) {	1325	for (@$data) {
956	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
957		1327
958	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
974	sub object_freezer_save {	1344	sub object_freezer_save {
975	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
976		1346
977	sync_job {	1347	sync_job {
978	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
979	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
980	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
981		1353
982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
985	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	}
986	close $fh;	1361	aio_close $fh;
987		1362
988	if (@$objs) {	1363	if (@$objs) {
989	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) {
990	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
991	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
992	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
993	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	}
994	close $fh;	1372	aio_close $fh;
995	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
996	}	1374	}
997	} else {	1375	} else {
998	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
999	}	1377	}
1000		1378
1001	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1002	} else {	1383	} else {
1003	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1004	}	1385	}
1005	} else {	1386	} else {
1006	aio_unlink $filename;	1387	aio_unlink $filename;
1007	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1008	}	1389	}
1009	}	1390	};
1010	}	1391	}
1011		1392
1012	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
1013	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
1014		1395
…		…
1026	or return;	1407	or return;
1027		1408
1028	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
1029	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
1030	or return;	1411	or return;
		1412
1031	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
1032	}	1415	}
1033		1416
		1417	utf8::decode (my $decname = $filename);
1034	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1035	$filename, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
1036	return ($data, $av);	1422	($data, $av)
1037	}	1423	}
1038		1424
1039	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
1040		1426
1041	=over 4	1427	=over 4
…		…
1043	=cut	1429	=cut
1044		1430
1045	#############################################################################	1431	#############################################################################
1046	# command handling &c	1432	# command handling &c
1047		1433
1048	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1049		1435
1050	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
1051	$name.	1437	$name.
1052		1438
1053	=cut	1439	=cut
…		…
1059	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1060		1446
1061	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1062	}	1448	}
1063		1449
1064	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1065		1451
1066	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1067	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
1068	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
1069	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
1070	has logged in successfully.	1456	has logged in successfully.
1071		1457
1072	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1073	called.
1074		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
1075	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1076		1466
1077	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1078	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
1079	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
1080	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
1081	log-in.	1471	log-in.
1082		1472
1083	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1084	called.
1085		1474
1086	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1087		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
1088	sub register_extcmd {	1482	sub register_extcmd($$) {
1089	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1090		1484
1091	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1092	}	1486	}
1093		1487
1094	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1095	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1096		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1097	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1098	}	1498	}
1099		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1100	cf::player->attach (	1508	cf::player->attach (
1101	on_command => sub {	1509	on_unknown_command => sub {
1102	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1103		1511
1104	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1105	or return;	1513	or return;
1106		1514
…		…
1114	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1115		1523
1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1117		1525
1118	if (ref $msg) {	1526	if (ref $msg) {
		1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1528
1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1529	if (my $cb = $EXTACMD{$type}) {
1120	if (my %reply = $cb->($pl, $msg)) {	1530	$cb->(
1121	$pl->ext_reply ($msg->{msgid}, %reply);	1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
		1542	@reply = $cb->($pl, @payload);
1122	}	1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1123	}	1547	}
		1548
1124	} else {	1549	} else {
1125	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1126	}	1551	}
1127		1552
1128	cf::override;	1553	cf::override;
1129	},	1554	},
1130	);	1555	);
1131		1556
		1557	# "readahead" all extensions
		1558	sub cache_extensions {
		1559	my $grp = IO::AIO::aio_group;
		1560
		1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1562	for (grep /\.ext$/, @{$_[0]}) {
		1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1564	}
		1565	};
		1566
		1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1579	}
		1580
1132	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1133	cf::sync_job {	1586	cf::sync_job {
1134	my %todo;	1587	my %todo;
1135		1588
1136	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1137	next unless -r $path;	1590	next unless -r $path;
…		…
1155		1608
1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1158		1611
1159	$ext{source} =	1612	$ext{source} =
1160	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1161	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1162	. $source	1615	. $source
1163	. "\n};\n1";	1616	. "\n};\n1";
1164		1617
1165	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1166	}	1619	}
1167		1620
		1621	my $pass = 0;
1168	my %done;	1622	my %done;
1169	while (%todo) {	1623	while (%todo) {
1170	my $progress;	1624	my $progress;
1171		1625
		1626	++$pass;
		1627
		1628	ext:
1172	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1173	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1174	goto skip	1631	next ext
1175	unless exists $done{$_};	1632	unless exists $done{$_};
1176	}	1633	}
1177		1634
1178	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1179		1636
1180	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 $@) {
1181	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1182	: "$v->{base}: extension inactive.\n";
1183		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1184	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1185	warn $msg;	1653
1186	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1187	exit 1;	1655	delete $todo{$k};
1188	}	1656	} else {
1189		1657	$done{$k} = delete $todo{$k};
1190	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1191	}	1663	}
1192
1193	$done{$k} = delete $todo{$k};
1194	push @EXTS, $v->{pkg};
1195	$progress = 1;
1196	}	1664	}
1197		1665
1198	skip:	1666	unless ($progress) {
1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1200	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	}
1201	}	1676	}
1202	};	1677	};
1203	}	1678	}
1204		1679
1205	#############################################################################	1680	#############################################################################
1206		1681
1207	=back	1682	=back
1208		1683
1209	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1210		1685
1211	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1212		1687
1213	=cut	1688	=cut
1214		1689
1215	package cf::player;	1690	package cf::player;
1216		1691
1217	use Coro::AIO;	1692	use Coro::AIO;
1218		1693
1219	=head3 cf::player	1694	=head3 cf::player
1220		1695
1221	=over 4	1696	=over 4
		1697
		1698	=item cf::player::num_playing
		1699
		1700	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1701
		1702	=cut
		1703
		1704	sub num_playing {
		1705	scalar grep
		1706	$_->ob->map
		1707	&& !$_->hidden
		1708	&& !$_->ob->flag (cf::FLAG_WIZ),
		1709	cf::player::list
		1710	}
1222		1711
1223	=item cf::player::find $login	1712	=item cf::player::find $login
1224		1713
1225	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
1226		1715
…		…
1245		1734
1246	sub exists($) {	1735	sub exists($) {
1247	my ($login) = @_;	1736	my ($login) = @_;
1248		1737
1249	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1250	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1251	}	1740	}
1252		1741
1253	sub find($) {	1742	sub find($) {
1254	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1255	my $login = $_[0];	1744	my $login = $_[0];
…		…
1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1265	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1266		1755
1267	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
1268	or return;	1757	or return;
		1758
		1759	my $pl = cf::player::load_pl $f
		1760	or return;
		1761
		1762	local $cf::PLAYER_LOADING{$login} = $pl;
		1763	$f->resolve_delayed_derefs;
1269	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1270	}	1765	}
1271	}	1766	}
1272	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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	);
1273		1781
1274	sub save($) {	1782	sub save($) {
1275	my ($pl) = @_;	1783	my ($pl) = @_;
1276		1784
1277	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1282	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1283		1791
1284	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1285	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1286		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];
		1799
1287	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1288	Coro::cede;	1801	cf::cede_to_tick;
1289	}	1802	}
1290		1803
1291	sub new($) {	1804	sub new($) {
1292	my ($login) = @_;	1805	my ($login) = @_;
1293		1806
…		…
1299	$cf::PLAYER{$login} = $self;	1812	$cf::PLAYER{$login} = $self;
1300		1813
1301	$self	1814	$self
1302	}	1815	}
1303		1816
		1817	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1818
		1819	=cut
		1820
		1821	sub send_msg {
		1822	my $ns = shift->ns
		1823	or return;
		1824	$ns->send_msg (@_);
		1825	}
		1826
1304	=item $pl->quit_character	1827	=item $pl->quit_character
1305		1828
1306	Nukes the player without looking back. If logged in, the connection will	1829	Nukes the player without looking back. If logged in, the connection will
1307	be destroyed. May block for a long time.	1830	be destroyed. May block for a long time.
1308		1831
…		…
1312	my ($pl) = @_;	1835	my ($pl) = @_;
1313		1836
1314	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1315		1838
1316	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1317	$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
1318		1841
1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1320	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1321	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1322	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1323		1850
1324	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1325	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1326	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1361	or return [];	1888	or return [];
1362		1889
1363	my @logins;	1890	my @logins;
1364		1891
1365	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
		1893	my $path = path $login;
		1894
		1895	# a .pst is a dead give-away for a valid player
		1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1366	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1367	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1368	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1369		1902
1370	utf8::decode $login;	1903	utf8::decode $login;
1371	push @logins, $login;	1904	push @logins, $login;
1372	}	1905	}
1373		1906
1374	\@logins	1907	\@logins
1375	}	1908	}
1376		1909
1377	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1378		1913
1379	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1380	player. May block.	1915	player. May block.
1381		1916
1382	=cut	1917	=cut
…		…
1400	}	1935	}
1401		1936
1402	\@paths	1937	\@paths
1403	}	1938	}
1404		1939
1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1406		1941
1407	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1408		1943
1409	=cut
1410
1411	sub expand_cfpod {
1412	((my $self), (local $_)) = @_;
1413
1414	# escape & and <
1415	s/&/&amp;/g;
1416	s/(?<![BIUGH])</&lt;/g;
1417
1418	# this is buggy, it needs to properly take care of nested <'s
1419
1420	1 while
1421	# replace B<>, I<>, U<> etc.
1422	s/B<([^\>]*)>/<b>$1<\/b>/
1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
1425	# replace G<male|female> tags
1426	|| s{G<([^>|]*)\|([^>]*)>}{
1427	$self->gender ? $2 : $1
1428	}ge
1429	# replace H<hint text>
1430	|| s{H<([^\>]*)>}
1431	{
1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1434	"")
1435	[$self->{hintmode}]
1436	}ge;
1437
1438	# create single paragraphs (very hackish)
1439	s/(?<=\S)\n(?=\w)/ /g;
1440
1441	# compress some whitespace
1442	s/\s+\n/\n/g; # ws line-ends
1443	s/\n\n+/\n/g; # double lines
1444	s/^\n+//; # beginning lines
1445	s/\n+$//; # ending lines
1446
1447	$_
1448	}
1449
1450	sub hintmode {
1451	$_[0]{hintmode} = $_[1] if @_ > 1;
1452	$_[0]{hintmode}
1453	}
1454
1455	=item $player->ext_reply ($msgid, %msg)
1456
1457	Sends an ext reply to the player.
1458
1459	=cut
1460
1461	sub ext_reply($$%) {
1462	my ($self, $id, %msg) = @_;
1463
1464	$msg{msgid} = $id;
1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1466	}
1467
1468	=item $player->ext_event ($type, %msg)	1944	=item $player->ext_msg ($type, @msg)
1469		1945
1470	Sends an ext event to the client.	1946	Sends an ext event to the client.
1471		1947
1472	=cut	1948	=cut
1473		1949
1474	sub ext_event($$%) {	1950	sub ext_msg($$@) {
1475	my ($self, $type, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1476		1952
1477	$self->ns->ext_event ($type, %msg);	1953	$self->ns->ext_msg ($type, @msg);
1478	}	1954	}
1479		1955
1480	=head3 cf::region	1956	=head3 cf::region
1481		1957
1482	=over 4	1958	=over 4
…		…
1491		1967
1492	=cut	1968	=cut
1493		1969
1494	sub find_by_path($) {	1970	sub find_by_path($) {
1495	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1496		1974
1497	my ($match, $specificity);	1975	my ($match, $specificity);
1498		1976
1499	for my $region (list) {	1977	for my $region (list) {
1500	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1526	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1527	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1528		2006
1529	sub generate_random_map {	2007	sub generate_random_map {
1530	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1531	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1532	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1533	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1534	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1535	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1536	$rmp->{exit_on_final_map},
1537	$rmp->{xsize}, $rmp->{ysize},
1538	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1539	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1540	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1541	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1542	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1543	(cf::region::find $rmp->{region}), $rmp->{custom}
1544	)
1545	}	2013	}
1546		2014
1547	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1548		2016
1549	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
…		…
1554		2022
1555	sub register {	2023	sub register {
1556	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1557	my $pkg = caller;	2025	my $pkg = caller;
1558		2026
1559	no strict;
1560	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1561		2028
1562	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1563	}	2030	}
1564		2031
1565	# also paths starting with '/'	2032	# also paths starting with '/'
1566	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1567		2034
1568	sub thawer_merge {	2035	sub thawer_merge {
1569	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1570		2037
1571	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1576	}	2043	}
1577		2044
1578	sub normalise {	2045	sub normalise {
1579	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1580		2047
1581	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1582		2049
1583	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1584		2051
1585	# map plan:	2052	# map plan:
1586	#	2053	#
…		…
1601	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1602	$path = "$base/$path";	2069	$path = "$base/$path";
1603	}	2070	}
1604		2071
1605	for ($path) {	2072	for ($path) {
1606	redo if s{//}{/};
1607	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1608	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1609	}	2075	}
1610		2076
1611	$path	2077	$path
…		…
1625	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1626	return $self;	2092	return $self;
1627	}	2093	}
1628	}	2094	}
1629		2095
1630	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1631	()	2097	()
1632	}	2098	}
1633		2099
		2100	# may re-bless or do other evil things
1634	sub init {	2101	sub init {
1635	my ($self) = @_;	2102	my ($self) = @_;
1636		2103
1637	$self	2104	$self
1638	}	2105	}
…		…
1657		2124
1658	# the temporary/swap location	2125	# the temporary/swap location
1659	sub save_path {	2126	sub save_path {
1660	my ($self) = @_;	2127	my ($self) = @_;
1661		2128
1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1663	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1664	}	2131	}
1665		2132
1666	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1667	sub uniq_path {	2134	sub uniq_path {
1668	my ($self) = @_;	2135	my ($self) = @_;
1669		2136
1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1671	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1672	}
1673
1674	# and all this just because we cannot iterate over
1675	# all maps in C++...
1676	sub change_all_map_light {
1677	my ($change) = @_;
1678
1679	$_->change_map_light ($change)
1680	for grep $_->outdoor, values %cf::MAP;
1681	}	2139	}
1682		2140
1683	sub decay_objects {	2141	sub decay_objects {
1684	my ($self) = @_;	2142	my ($self) = @_;
1685		2143
…		…
1698		2156
1699	sub load_header_from($) {	2157	sub load_header_from($) {
1700	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1701		2159
1702	utf8::encode $path;	2160	utf8::encode $path;
1703	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1704	# or return;
1705
1706	$self->_load_header ($path)
1707	or return;	2162	or return;
1708		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1709	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1710		2171
1711	1	2172	1
1712	}	2173	}
1713		2174
		2175	# used to laod the header of an original map
1714	sub load_header_orig {	2176	sub load_header_orig {
1715	my ($self) = @_;	2177	my ($self) = @_;
1716		2178
1717	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1718	}	2180	}
1719		2181
		2182	# used to laod the header of an instantiated map
1720	sub load_header_temp {	2183	sub load_header_temp {
1721	my ($self) = @_;	2184	my ($self) = @_;
1722		2185
1723	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1724	}	2187	}
1725		2188
		2189	# called after loading the header from an instantiated map
1726	sub prepare_temp {	2190	sub prepare_temp {
1727	my ($self) = @_;	2191	my ($self) = @_;
1728		2192
1729	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1730	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1731	# safety	2195	# safety
1732	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1733	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1734	}	2198	}
1735		2199
		2200	# called after loading the header from an original map
1736	sub prepare_orig {	2201	sub prepare_orig {
1737	my ($self) = @_;	2202	my ($self) = @_;
1738		2203
1739	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1740	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1764		2229
1765	sub find;	2230	sub find;
1766	sub find {	2231	sub find {
1767	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1768		2233
		2234	cf::cede_to_tick;
		2235
1769	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1770		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1771	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1772		2240
1773	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1774	my $guard = cf::lock_acquire "map_find:$path";
1775	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1776	or return;	2243	or return;
1777		2244
1778	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1779		2246
…		…
1781	or return;	2248	or return;
1782		2249
1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1784	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1785	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1786	$map->reset;	2255	$map->reset;
1787	undef $guard;
1788	return find $path;	2256	return find $path;
1789	}	2257	}
1790		2258
1791	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1792	}	2260	}
1793	}	2261	}
1794		2262
1795	sub pre_load { }	2263	sub pre_load { }
1796	sub post_load { }	2264	#sub post_load { } # XS
1797		2265
1798	sub load {	2266	sub load {
1799	my ($self) = @_;	2267	my ($self) = @_;
1800		2268
1801	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1802		2270
1803	my $path = $self->{path};	2271	my $path = $self->{path};
1804		2272
1805	{	2273	{
1806	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1807		2275
		2276	return unless $self->valid;
1808	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1809
1810	$self->in_memory (cf::MAP_LOADING);
1811		2278
1812	$self->alloc;	2279	$self->alloc;
1813		2280
1814	$self->pre_load;	2281	$self->pre_load;
1815	Coro::cede;	2282	cf::cede_to_tick;
1816		2283
1817	$self->_load_objects ($self->{load_path}, 1)	2284	if (exists $self->{load_path}) {
		2285	my $f = new_from_file cf::object::thawer $self->{load_path};
		2286	$f->skip_block;
		2287	$self->_load_objects ($f)
1818	or return;	2288	or return;
1819		2289
1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1821	if delete $self->{load_original};	2291	if delete $self->{load_original};
1822		2292
1823	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1824	utf8::encode $uniq;	2294	utf8::encode $uniq;
1825	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1826	$self->clear_unique_items;	2297	$self->clear_unique_items;
1827	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1828	}	2302	}
1829	}
1830		2303
1831	Coro::cede;	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);
		2311
		2312	cf::cede_to_tick;
1832	# now do the right thing for maps	2313	# now do the right thing for maps
1833	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1834	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1835	unless $self->difficulty;	2316	unless $self->difficulty;
1836	Coro::cede;	2317	cf::cede_to_tick;
1837		2318
1838	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1839	$self->decay_objects;	2320	$self->decay_objects;
1840	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1841	$self->update_buttons;	2322	$self->update_buttons;
1842	Coro::cede;	2323	cf::cede_to_tick;
1843	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1844	Coro::cede;
1845	$self->activate;
1846	}	2325	}
1847		2326
1848	$self->in_memory (cf::MAP_IN_MEMORY);	2327	$self->{last_save} = $cf::RUNTIME;
		2328	$self->last_access ($cf::RUNTIME);
1849	}	2329	}
1850		2330
1851	$self->post_load;	2331	$self->post_load;
1852	}
1853		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
1854	sub customise_for {	2339	sub customise_for {
1855	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1856		2341
1857	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1858	if $self->per_player;	2343	if $self->per_player;
…		…
1861	# if $self->per_party;	2346	# if $self->per_party;
1862		2347
1863	$self	2348	$self
1864	}	2349	}
1865		2350
1866	# find and load all maps in the 3x3 area around a map
1867	sub load_diag {
1868	my ($map) = @_;
1869
1870	my @diag; # diagonal neighbours
1871
1872	for (0 .. 3) {
1873	my $neigh = $map->tile_path ($_)
1874	or next;
1875	$neigh = find $neigh, $map
1876	or next;
1877	$neigh->load;
1878
1879	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1880	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1881	}
1882
1883	for (@diag) {
1884	my $neigh = find @$_
1885	or next;
1886	$neigh->load;
1887	}
1888	}
1889
1890	sub find_sync {	2351	sub find_sync {
1891	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1892		2353
1893	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
1894	}	2359	}
1895		2360
1896	sub do_load_sync {	2361	sub do_load_sync {
1897	my ($map) = @_;	2362	my ($map) = @_;
1898		2363
1899	cf::sync_job { $map->load };	2364	# it's a bug to call this from the main context
		2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2366	if $Coro::current == $Coro::main;
		2367
		2368	$map->load;
1900	}	2369	}
1901		2370
1902	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1903	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1904		2373
1905	sub find_async {	2374	sub find_async {
1906	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1907		2376
1908	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1909		2378
1910	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1911	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1912	}	2381	}
1913		2382
1914	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1915	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1916	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1917	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1918	if (my $map = find $path) {	2390	if (my $map = find $k) {
1919	$map->load;	2391	$map->load if $v;
1920	}	2392	}
1921		2393
1922	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1923	}	2395	}
1924	}	2396	}
1925	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1926	};	2398	};
1927	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1928		2400
1929	()	2401	()
1930	}	2402	}
1931		2403
		2404	# common code, used by both ->save and ->swapout
1932	sub save {	2405	sub _save {
1933	my ($self) = @_;	2406	my ($self) = @_;
1934
1935	my $lock = cf::lock_acquire "map_data:" . $self->path;
1936		2407
1937	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1938		2409
1939	return unless $self->dirty;	2410	return unless $self->dirty;
1940		2411
…		…
1946	return if $self->{deny_save};	2417	return if $self->{deny_save};
1947		2418
1948	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1949		2420
1950	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1951	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1952	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1953		2427
1954	if ($uniq) {	2428	if ($uniq) {
1955	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1956	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1957	} else {	2431	} else {
1958	$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);
1959	}	2433	}
1960	}	2434	}
1961		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1962	sub swap_out {	2444	sub swap_out {
1963	my ($self) = @_;	2445	my ($self) = @_;
1964		2446
1965	# save first because save cedes
1966	$self->save;
1967
1968	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1969		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1970	return if $self->players;	2451	return if $self->players;
1971	return if $self->in_memory != cf::MAP_IN_MEMORY;
1972	return if $self->{deny_save};
1973		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
1974	$self->clear;	2462	$self->clear;
1975	$self->in_memory (cf::MAP_SWAPPED);
1976	}	2463	}
1977		2464
1978	sub reset_at {	2465	sub reset_at {
1979	my ($self) = @_;	2466	my ($self) = @_;
1980		2467
…		…
1998		2485
1999	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
2000		2487
2001	return if $self->players;	2488	return if $self->players;
2002		2489
2003	warn "resetting map ", $self->path;	2490	cf::trace "resetting map ", $self->path, "\n";
2004		2491
2005	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
2006		2493
2007	# need to save uniques path	2494	# need to save uniques path
2008	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
2009	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
2010		2497
…		…
2012	if $uniq;	2499	if $uniq;
2013	}	2500	}
2014		2501
2015	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
2016		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
2017	$self->clear;	2506	$self->clear;
2018
2019	$_->clear_links_to ($self) for values %cf::MAP;
2020		2507
2021	$self->unlink_save;	2508	$self->unlink_save;
2022	$self->destroy;	2509	$self->destroy;
2023	}	2510	}
2024		2511
2025	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
2026		2513
2027	sub nuke {	2514	sub nuke {
2028	my ($self) = @_;	2515	my ($self) = @_;
2029		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
2030	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2031		2521
2032	$self->unlink_save;	2522	$self->unlink_save;
2033		2523
2034	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2035	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2036	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2037	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2038	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2039		2529
2040	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
2041		2532
2042	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
2043	}	2534	}
2044		2535
2045	=item $maps = cf::map::tmp_maps	2536	=item $maps = cf::map::tmp_maps
…		…
2087		2578
2088	sub unique_maps() {	2579	sub unique_maps() {
2089	[	2580	[
2090	map {	2581	map {
2091	utf8::decode $_;	2582	utf8::decode $_;
2092	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2093	? normalise $_	2586	: normalise $_
2094	: ()
2095	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2096	]	2588	]
2097	}	2589	}
2098		2590
2099	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	}
2100		2622
2101	=back	2623	=back
2102		2624
2103	=head3 cf::object	2625	=head3 cf::object
2104		2626
…		…
2108		2630
2109	=over 4	2631	=over 4
2110		2632
2111	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2112		2634
2113	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.
2114		2637
2115	=cut	2638	=cut
2116		2639
2117	sub inv_recursive_;	2640	sub inv_recursive_;
2118	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2121		2644
2122	sub inv_recursive {	2645	sub inv_recursive {
2123	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2124	}	2647	}
2125		2648
		2649	=item $ref = $ob->ref
		2650
		2651	Creates and returns a persistent reference to an object that can be stored as a string.
		2652
		2653	=item $ob = cf::object::deref ($refstring)
		2654
		2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2656	even if the object actually exists. May block.
		2657
		2658	=cut
		2659
		2660	sub deref {
		2661	my ($ref) = @_;
		2662
		2663	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2664	my ($uuid, $name) = ($1, $2);
		2665	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2666	or return;
		2667	$pl->ob->uuid eq $uuid
		2668	or return;
		2669
		2670	$pl->ob
		2671	} else {
		2672	warn "$ref: cannot resolve object reference\n";
		2673	undef
		2674	}
		2675	}
		2676
2126	package cf;	2677	package cf;
2127		2678
2128	=back	2679	=back
2129		2680
2130	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
2136	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2687	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2137	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
2138	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2139		2690
2140	=cut	2691	=cut
		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	};
2141		2706
2142	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2143	# with dialog boxes.	2708	# with dialog boxes.
2144	#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
2145	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
2152		2717
2153	} else {	2718	} else {
2154	my $pl = $self->contr;	2719	my $pl = $self->contr;
2155		2720
2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2721	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2157	my $diag = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2158	$diag->{pl}->ext_reply (	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2159	$diag->{id},
2160	msgtype => "reply",
2161	msg => $diag->{pl}->expand_cfpod ($msg),
2162	add_topics => []
2163	);
2164		2724
2165	} else {	2725	} else {
2166	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2167	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2168	}	2728	}
2169	}	2729	}
		2730	}
		2731
		2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2733
		2734	=cut
		2735
		2736	sub cf::object::send_msg {
		2737	my $pl = shift->contr
		2738	or return;
		2739	$pl->send_msg (@_);
2170	}	2740	}
2171		2741
2172	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
2173		2743
2174	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
2175	(e.g. "command_wizcast").	2745	(e.g. "command_wizcast").
2176		2746
		2747	This is implemented by checking a config setting of C<may_access> where
		2748	C<access> is replaced by the access string. The following alternatives are
		2749	possible (and are tested in order):
		2750
		2751	=over 4
		2752
		2753	=item * Player is DM
		2754
		2755	The request will succeed.
		2756
		2757	=item * may_access is an array reference
		2758
		2759	If either the player nickname or UUID is in the array, the request will
		2760	succeed, otherwise it will fail.
		2761
		2762	=item * may_access is a true value
		2763
		2764	The request will succeed.
		2765
		2766	=item * may_access is missing or false
		2767
		2768	The request will fail.
		2769
		2770	=back
		2771
2177	=cut	2772	=cut
2178		2773
2179	sub cf::object::player::may {	2774	sub cf::object::player::may {
2180	my ($self, $access) = @_;	2775	my ($self, $access) = @_;
2181		2776
2182	$self->flag (cf::FLAG_WIZ) ||	2777	$self->flag (cf::FLAG_WIZ) ||
2183	(ref $cf::CFG{"may_$access"}	2778	(ref $cf::CFG{"may_$access"}
2184	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2779	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2185	: $cf::CFG{"may_$access"})	2780	: $cf::CFG{"may_$access"})
2186	}	2781	}
2187		2782
2188	=item $player_object->enter_link	2783	=item $player_object->enter_link
2189		2784
2190	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}>).
2191		2786
2192	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.
2193	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.
2194		2791
2195	Will never block.	2792	Will never block.
2196		2793
2197	=item $player_object->leave_link ($map, $x, $y)	2794	=item $player_object->leave_link ($map, $x, $y)
2198		2795
…		…
2218	sub cf::object::player::enter_link {	2815	sub cf::object::player::enter_link {
2219	my ($self) = @_;	2816	my ($self) = @_;
2220		2817
2221	$self->deactivate_recursive;	2818	$self->deactivate_recursive;
2222		2819
		2820	++$self->{_link_recursion};
		2821
2223	return if UNIVERSAL::isa $self->map, "ext::map_link";	2822	return if UNIVERSAL::isa $self->map, "ext::map_link";
2224		2823
2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2824	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2226	if $self->map && $self->map->{path} ne "{link}";	2825	if $self->map && $self->map->{path} ne "{link}";
2227		2826
2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2827	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2229	}	2828	}
2230		2829
2231	sub cf::object::player::leave_link {	2830	sub cf::object::player::leave_link {
2232	my ($self, $map, $x, $y) = @_;	2831	my ($self, $map, $x, $y) = @_;
2233		2832
…		…
2250	($x, $y) = (-1, -1)	2849	($x, $y) = (-1, -1)
2251	unless (defined $x) && (defined $y);	2850	unless (defined $x) && (defined $y);
2252		2851
2253	# use -1 or undef as default coordinates, not 0, 0	2852	# use -1 or undef as default coordinates, not 0, 0
2254	($x, $y) = ($map->enter_x, $map->enter_y)	2853	($x, $y) = ($map->enter_x, $map->enter_y)
2255	if $x <=0 && $y <= 0;	2854	if $x <= 0 && $y <= 0;
2256		2855
2257	$map->load;	2856	$map->load;
2258	$map->load_diag;
2259		2857
2260	return unless $self->contr->active;	2858	return unless $self->contr->active;
2261	$self->activate_recursive;
2262		2859
2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2860	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2264	$self->enter_map ($map, $x, $y);	2861	if ($self->enter_map ($map, $x, $y)) {
2265	}	2862	# entering was successful
		2863	delete $self->{_link_recursion};
		2864	# only activate afterwards, to support waiting in hooks
		2865	$self->activate_recursive;
		2866	}
2266		2867
		2868	}
		2869
2267	=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)]])
2268		2871
2269	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
2270	her, loading and preparing them map, calling the provided $check callback	2873	her, loading and preparing them map, calling the provided $check callback
2271	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
2272	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
2273	be called at the end of this process.	2876	be called at the end of this process.
2274		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
2275	=cut	2881	=cut
2276		2882
2277	our $GOTOGEN;	2883	our $GOTOGEN;
2278		2884
2279	sub cf::object::player::goto {	2885	sub cf::object::player::goto {
2280	my ($self, $path, $x, $y, $check, $done) = @_;	2886	my ($self, $path, $x, $y, $check, $done) = @_;
2281		2887
		2888	if ($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	}
		2893
2282	# 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
2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2895	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2284		2896
2285	$self->enter_link;	2897	$self->enter_link;
2286		2898
2287	(async {	2899	(async {
		2900	$Coro::current->{desc} = "player::goto $path $x $y";
		2901
		2902	# *tag paths override both path and x|y
		2903	if ($path =~ /^\*(.*)$/) {
		2904	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2905	my $ob = $obs[rand @obs];
		2906
		2907	# see if we actually can go there
		2908	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2909	$ob = $obs[rand @obs];
		2910	} else {
		2911	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2912	}
		2913	# else put us there anyways for now #d#
		2914
		2915	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2916	} else {
		2917	($path, $x, $y) = (undef, undef, undef);
		2918	}
		2919	}
		2920
2288	my $map = eval {	2921	my $map = eval {
2289	my $map = cf::map::find $path;	2922	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2290		2923
2291	if ($map) {	2924	if ($map) {
2292	$map = $map->customise_for ($self);	2925	$map = $map->customise_for ($self);
2293	$map = $check->($map) if $check && $map;	2926	$map = $check->($map, $x, $y, $self) if $check && $map;
2294	} else {	2927	} else {
2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2928	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2296	}	2929	}
2297		2930
2298	$map	2931	$map
2299	};	2932	};
2300		2933
…		…
2306	if ($gen == $self->{_goto_generation}) {	2939	if ($gen == $self->{_goto_generation}) {
2307	delete $self->{_goto_generation};	2940	delete $self->{_goto_generation};
2308	$self->leave_link ($map, $x, $y);	2941	$self->leave_link ($map, $x, $y);
2309	}	2942	}
2310		2943
2311	$done->() if $done;	2944	$done->($self) if $done;
2312	})->prio (1);	2945	})->prio (1);
2313	}	2946	}
2314		2947
2315	=item $player_object->enter_exit ($exit_object)	2948	=item $player_object->enter_exit ($exit_object)
2316		2949
…		…
2336	}	2969	}
2337		2970
2338	sub prepare_random_map {	2971	sub prepare_random_map {
2339	my ($exit) = @_;	2972	my ($exit) = @_;
2340		2973
2341	my $guard = cf::lock_acquire "exit_prepare:$exit";
2342
2343	# all this does is basically replace the /! path by	2974	# all this does is basically replace the /! path by
2344	# a new random map path (?random/...) with a seed	2975	# a new random map path (?random/...) with a seed
2345	# that depends on the exit object	2976	# that depends on the exit object
2346		2977
2347	my $rmp = parse_random_map_params $exit->msg;	2978	my $rmp = parse_random_map_params $exit->msg;
…		…
2349	if ($exit->map) {	2980	if ($exit->map) {
2350	$rmp->{region} = $exit->region->name;	2981	$rmp->{region} = $exit->region->name;
2351	$rmp->{origin_map} = $exit->map->path;	2982	$rmp->{origin_map} = $exit->map->path;
2352	$rmp->{origin_x} = $exit->x;	2983	$rmp->{origin_x} = $exit->x;
2353	$rmp->{origin_y} = $exit->y;	2984	$rmp->{origin_y} = $exit->y;
		2985
		2986	$exit->map->touch;
2354	}	2987	}
2355		2988
2356	$rmp->{random_seed} ||= $exit->random_seed;	2989	$rmp->{random_seed} ||= $exit->random_seed;
2357		2990
2358	my $data = cf::to_json $rmp;	2991	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2359	my $md5 = Digest::MD5::md5_hex $data;	2992	my $md5 = Digest::MD5::md5_hex $data;
2360	my $meta = "$RANDOMDIR/$md5.meta";	2993	my $meta = "$RANDOMDIR/$md5.meta";
2361		2994
2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2995	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2363	aio_write $fh, 0, (length $data), $data, 0;	2996	aio_write $fh, 0, (length $data), $data, 0;
2364	undef $fh;	2997	undef $fh;
2365	aio_rename "$meta~", $meta;	2998	aio_rename "$meta~", $meta;
2366		2999
		3000	my $slaying = "?random/$md5";
		3001
		3002	if ($exit->valid) {
2367	$exit->slaying ("?random/$md5");	3003	$exit->slaying ("?random/$md5");
2368	$exit->msg (undef);	3004	$exit->msg (undef);
		3005	}
2369	}	3006	}
2370	}	3007	}
2371		3008
2372	sub cf::object::player::enter_exit {	3009	sub cf::object::player::enter_exit {
2373	my ($self, $exit) = @_;	3010	my ($self, $exit) = @_;
2374		3011
2375	return unless $self->type == cf::PLAYER;	3012	return unless $self->type == cf::PLAYER;
2376		3013
2377	if ($exit->slaying eq "/!") {
2378	#TODO: this should de-fi-ni-te-ly not be a sync-job
2379	# the problem is that $exit might not survive long enough
2380	# so it needs to be done right now, right here
2381	cf::sync_job { prepare_random_map $exit };
2382	}
2383
2384	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2385	my $hp = $exit->stats->hp;
2386	my $sp = $exit->stats->sp;
2387
2388	$self->enter_link;	3014	$self->enter_link;
2389		3015
2390	# if exit is damned, update players death & WoR home-position
2391	$self->contr->savebed ($slaying, $hp, $sp)
2392	if $exit->flag (FLAG_DAMNED);
2393
2394	(async {	3016	(async {
2395	$self->deactivate_recursive; # just to be sure	3017	$Coro::current->{desc} = "enter_exit";
		3018
2396	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
2397	$self->goto ($slaying, $hp, $sp);	3049	$self->goto ($map, $x, $y);
2398		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
2399	1;	3055	1
2400	}) {	3056	}) {
2401	$self->message ("Something went wrong deep within the crossfire server. "	3057	$self->message ("Something went wrong deep within the deliantra server. "
2402	. "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. "
2403	. "Please report this to the dungeon master!",	3059	. "Please report this to the dungeon master!",
2404	cf::NDI_UNIQUE | cf::NDI_RED);	3060	cf::NDI_UNIQUE | cf::NDI_RED);
2405		3061
2406	warn "ERROR in enter_exit: $@";	3062	error "ERROR in enter_exit: $@";
2407	$self->leave_link;	3063	$self->leave_link;
2408	}	3064	}
2409	})->prio (1);	3065	})->prio (1);
2410	}	3066	}
2411		3067
2412	=head3 cf::client	3068	=head3 cf::client
2413		3069
2414	=over 4	3070	=over 4
2415		3071
2416	=item $client->send_drawinfo ($text, $flags)	3072	=item $client->send_big_packet ($pkt)
2417		3073
2418	Sends a drawinfo packet to the client. Circumvents output buffering so	3074	Like C<send_packet>, but tries to compress large packets, and fragments
2419	should not be used under normal circumstances.	3075	them as required.
2420		3076
2421	=cut	3077	=cut
2422		3078
		3079	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3080
2423	sub cf::client::send_drawinfo {	3081	sub cf::client::send_big_packet {
2424	my ($self, $text, $flags) = @_;	3082	my ($self, $pkt) = @_;
2425		3083
2426	utf8::encode $text;	3084	# try lzf for large packets
2427	$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);
2428	}	3095	}
2429		3096
2430	=item $client->send_msg ($channel, $msg, $color, [extra...])	3097	=item $client->send_msg ($channel, $msg, $color, [extra...])
2431		3098
2432	Send a drawinfo or msg packet to the client, formatting the msg for the	3099	Send a msg packet to the client, formatting the msg for the client if
2433	client if neccessary. C<$type> should be a string identifying the type of	3100	necessary. C<$type> should be a string identifying the type of the
2434	the message, with C<log> being the default. If C<$color> is negative, suppress	3101	message, with C<log> being the default. If C<$color> is negative, suppress
2435	the message unless the client supports the msg packet.	3102	the message unless the client supports the msg packet.
2436		3103
2437	=cut	3104	=cut
		3105
		3106	# non-persistent channels (usually the info channel)
		3107	our %CHANNEL = (
		3108	"c/motd" => {
		3109	id => "infobox",
		3110	title => "MOTD",
		3111	reply => undef,
		3112	tooltip => "The message of the day",
		3113	},
		3114	"c/identify" => {
		3115	id => "infobox",
		3116	title => "Identify",
		3117	reply => undef,
		3118	tooltip => "Items recently identified",
		3119	},
		3120	"c/examine" => {
		3121	id => "infobox",
		3122	title => "Examine",
		3123	reply => undef,
		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",
		3131	},
		3132	"c/book" => {
		3133	id => "infobox",
		3134	title => "Book",
		3135	reply => undef,
		3136	tooltip => "The contents of a note or book",
		3137	},
		3138	"c/lookat" => {
		3139	id => "infobox",
		3140	title => "Look",
		3141	reply => undef,
		3142	tooltip => "What you saw there",
		3143	},
		3144	"c/who" => {
		3145	id => "infobox",
		3146	title => "Players",
		3147	reply => undef,
		3148	tooltip => "Shows players who are currently online",
		3149	},
		3150	"c/body" => {
		3151	id => "infobox",
		3152	title => "Body Parts",
		3153	reply => undef,
		3154	tooltip => "Shows which body parts you posess and are available",
		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	},
		3192	"c/uptime" => {
		3193	id => "infobox",
		3194	title => "Uptime",
		3195	reply => undef,
		3196	tooltip => "How long the server has been running since last restart",
		3197	},
		3198	"c/mapinfo" => {
		3199	id => "infobox",
		3200	title => "Map Info",
		3201	reply => undef,
		3202	tooltip => "Information related to the maps",
		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" => $CHAT_CHANNEL,
		3224	);
2438		3225
2439	sub cf::client::send_msg {	3226	sub cf::client::send_msg {
2440	my ($self, $channel, $msg, $color, @extra) = @_;	3227	my ($self, $channel, $msg, $color, @extra) = @_;
2441		3228
2442	$msg = $self->pl->expand_cfpod ($msg);	3229	$msg = $self->pl->expand_cfpod ($msg)
		3230	unless $color & cf::NDI_VERBATIM;
2443		3231
2444	return unless @extra || length $msg;
2445
2446	$color &= ~cf::NDI_UNIQUE; # just in case...	3232	$color &= cf::NDI_CLIENT_MASK; # just in case...
2447		3233
		3234	# check predefined channels, for the benefit of C
		3235	if ($CHANNEL{$channel}) {
		3236	$channel = $CHANNEL{$channel};
		3237
		3238	$self->ext_msg (channel_info => $channel);
		3239	$channel = $channel->{id};
		3240
2448	if (ref $channel) {	3241	} elsif (ref $channel) {
2449	# send meta info to client, if not yet sent	3242	# send meta info to client, if not yet sent
2450	unless (exists $self->{channel}{$channel->{id}}) {	3243	unless (exists $self->{channel}{$channel->{id}}) {
2451	$self->{channel}{$channel->{id}} = $channel;	3244	$self->{channel}{$channel->{id}} = $channel;
2452	$self->ext_event (channel_info => %$channel);	3245	$self->ext_msg (channel_info => $channel);
2453	}	3246	}
2454		3247
2455	$channel = $channel->{id};	3248	$channel = $channel->{id};
2456	}	3249	}
2457		3250
2458	if ($self->can_msg) {	3251	return unless @extra || length $msg;
2459	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
2460	} else {
2461	# replace some tags by gcfclient-compatible ones
2462	for ($msg) {
2463	1 while
2464	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2465	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2466	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2467	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2468	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2469	}
2470		3252
2471	if ($color >= 0) {	3253	# default colour, mask it out
2472	if (0 && $msg =~ /\[/) {	3254	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2473	$self->send_packet ("drawextinfo $color 4 0 $msg")	3255	if $color & cf::NDI_DEF;
2474	} else {
2475	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2476	$self->send_packet ("drawinfo $color $msg")
2477	}
2478	}
2479	}
2480	}
2481		3256
		3257	my $pkt = "msg "
		3258	. $self->{json_coder}->encode (
		3259	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3260	);
		3261
		3262	$self->send_big_packet ($pkt);
		3263	}
		3264
2482	=item $client->ext_event ($type, %msg)	3265	=item $client->ext_msg ($type, @msg)
2483		3266
2484	Sends an ext event to the client.	3267	Sends an ext event to the client.
2485		3268
2486	=cut	3269	=cut
2487		3270
2488	sub cf::client::ext_event($$%) {	3271	sub cf::client::ext_msg($$@) {
2489	my ($self, $type, %msg) = @_;	3272	my ($self, $type, @msg) = @_;
2490		3273
2491	return unless $self->extcmd;
2492
2493	$msg{msgtype} = "event_$type";
2494	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3274	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2495	}	3275	}
2496		3276
2497	=item $success = $client->query ($flags, "text", \&cb)	3277	=item $success = $client->query ($flags, "text", \&cb)
2498		3278
2499	Queues a query to the client, calling the given callback with	3279	Queues a query to the client, calling the given callback with
…		…
2519		3299
2520	$self->send_packet ($self->{query_queue}[0][0])	3300	$self->send_packet ($self->{query_queue}[0][0])
2521	if @{ $self->{query_queue} } == 1;	3301	if @{ $self->{query_queue} } == 1;
2522		3302
2523	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} = $idx;
2524	}	3343	}
2525		3344
2526	cf::client->attach (	3345	cf::client->attach (
2527	on_connect => sub {	3346	on_connect => sub {
2528	my ($ns) = @_;	3347	my ($ns) = @_;
…		…
2554	my ($ns, $buf) = @_;	3373	my ($ns, $buf) = @_;
2555		3374
2556	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3375	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2557		3376
2558	if (ref $msg) {	3377	if (ref $msg) {
		3378	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3379
2559	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3380	if (my $cb = $EXTIACMD{$type}) {
2560	if (my %reply = $cb->($ns, $msg)) {	3381	$cb->(
2561	$reply{msgid} = $msg->{msgid};	3382	$ns,
2562	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));	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}) {
		3393	@reply = $cb->($ns, @payload);
2563	}	3394	}
		3395
		3396	$ns->ext_msg ("reply-$reply", @reply)
		3397	if $reply;
2564	}	3398	}
2565	} else {	3399	} else {
2566	warn "client " . ($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";
2567	}	3401	}
2568		3402
2569	cf::override;	3403	cf::override;
2570	},	3404	},
2571	);	3405	);
…		…
2591		3425
2592	$coro	3426	$coro
2593	}	3427	}
2594		3428
2595	cf::client->attach (	3429	cf::client->attach (
2596	on_destroy => sub {	3430	on_client_destroy => sub {
2597	my ($ns) = @_;	3431	my ($ns) = @_;
2598		3432
2599	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3433	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2600	},	3434	},
2601	);	3435	);
…		…
2616	our $safe = new Safe "safe";	3450	our $safe = new Safe "safe";
2617	our $safe_hole = new Safe::Hole;	3451	our $safe_hole = new Safe::Hole;
2618		3452
2619	$SIG{FPE} = 'IGNORE';	3453	$SIG{FPE} = 'IGNORE';
2620		3454
2621	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3455	$safe->permit_only (Opcode::opset qw(
		3456	:base_core :base_mem :base_orig :base_math :base_loop
		3457	grepstart grepwhile mapstart mapwhile
		3458	sort time
		3459	));
2622		3460
2623	# here we export the classes and methods available to script code	3461	# here we export the classes and methods available to script code
2624		3462
2625	=pod	3463	=pod
2626		3464
2627	The following functions and methods are available within a safe environment:	3465	The following functions and methods are available within a safe environment:
2628		3466
2629	cf::object	3467	cf::object
2630	contr pay_amount pay_player map x y force_find force_add	3468	contr pay_amount pay_player map x y force_find force_add destroy
2631	insert remove	3469	insert remove name archname title slaying race decrease split
		3470	value
2632		3471
2633	cf::object::player	3472	cf::object::player
2634	player	3473	player
2635		3474
2636	cf::player	3475	cf::player
…		…
2641		3480
2642	=cut	3481	=cut
2643		3482
2644	for (	3483	for (
2645	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3484	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2646	insert remove)],	3485	insert remove inv nrof name archname title slaying race
		3486	decrease split destroy change_exp value msg lore send_msg)],
2647	["cf::object::player" => qw(player)],	3487	["cf::object::player" => qw(player)],
2648	["cf::player" => qw(peaceful)],	3488	["cf::player" => qw(peaceful send_msg)],
2649	["cf::map" => qw(trigger)],	3489	["cf::map" => qw(trigger)],
2650	) {	3490	) {
2651	no strict 'refs';
2652	my ($pkg, @funs) = @$_;	3491	my ($pkg, @funs) = @$_;
2653	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3492	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2654	for @funs;	3493	for @funs;
2655	}	3494	}
2656		3495
…		…
2671		3510
2672	my $qcode = $code;	3511	my $qcode = $code;
2673	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3512	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2674	$qcode =~ s/\n/\\n/g;	3513	$qcode =~ s/\n/\\n/g;
2675		3514
		3515	%vars = (_dummy => 0) unless %vars;
		3516
		3517	my @res;
2676	local $_;	3518	local $_;
2677	local @safe::cf::_safe_eval_args = values %vars;
2678		3519
2679	my $eval =	3520	my $eval =
2680	"do {\n"	3521	"do {\n"
2681	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3522	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2682	. "#line 0 \"{$qcode}\"\n"	3523	. "#line 0 \"{$qcode}\"\n"
2683	. $code	3524	. $code
2684	. "\n}"	3525	. "\n}"
2685	;	3526	;
2686		3527
		3528	if ($CFG{safe_eval}) {
2687	sub_generation_inc;	3529	sub_generation_inc;
		3530	local @safe::cf::_safe_eval_args = values %vars;
2688	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3531	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2689	sub_generation_inc;	3532	sub_generation_inc;
		3533	} else {
		3534	local @cf::_safe_eval_args = values %vars;
		3535	@res = wantarray ? eval eval : scalar eval $eval;
		3536	}
2690		3537
2691	if ($@) {	3538	if ($@) {
2692	warn "$@";	3539	warn "$@",
2693	warn "while executing safe code '$code'\n";	3540	"while executing safe code '$code'\n",
2694	warn "with arguments " . (join " ", %vars) . "\n";	3541	"with arguments " . (join " ", %vars) . "\n";
2695	}	3542	}
2696		3543
2697	wantarray ? @res : $res[0]	3544	wantarray ? @res : $res[0]
2698	}	3545	}
2699		3546
…		…
2713	=cut	3560	=cut
2714		3561
2715	sub register_script_function {	3562	sub register_script_function {
2716	my ($fun, $cb) = @_;	3563	my ($fun, $cb) = @_;
2717		3564
2718	no strict 'refs';	3565	$fun = "safe::$fun" if $CFG{safe_eval};
2719	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3566	*$fun = $safe_hole->wrap ($cb);
2720	}	3567	}
2721		3568
2722	=back	3569	=back
2723		3570
2724	=cut	3571	=cut
2725		3572
2726	#############################################################################	3573	#############################################################################
2727	# the server's init and main functions	3574	# the server's init and main functions
2728		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
2729	sub load_facedata($) {	3653	sub load_facedata($) {
2730	my ($path) = @_;	3654	my ($path) = @_;
2731		3655
		3656	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3657
2732	warn "loading facedata from $path\n";	3658	trace "loading facedata from $path\n";
2733		3659
2734	my $facedata;	3660	my $facedata = decode_storable load_file "$path/faceinfo";
2735	0 < aio_load $path, $facedata
2736	or die "$path: $!";
2737
2738	$facedata = Coro::Storable::thaw $facedata;
2739		3661
2740	$facedata->{version} == 2	3662	$facedata->{version} == 2
2741	or cf::cleanup "$path: version mismatch, cannot proceed.";	3663	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3664
		3665	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3666	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3667
		3668	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3669
		3670	# BEGIN ATOMIC
		3671	# from here on, everything must be atomic - no thread switch allowed
		3672	my $t1 = EV::time;
2742		3673
2743	{	3674	{
2744	my $faces = $facedata->{faceinfo};	3675	my $faces = $facedata->{faceinfo};
2745		3676
2746	while (my ($face, $info) = each %$faces) {	3677	for my $face (sort keys %$faces) {
		3678	my $info = $faces->{$face};
2747	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3679	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3680
2748	cf::face::set_visibility $idx, $info->{visibility};	3681	cf::face::set_visibility $idx, $info->{visibility};
2749	cf::face::set_magicmap $idx, $info->{magicmap};	3682	cf::face::set_magicmap $idx, $info->{magicmap};
2750	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3683	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2751	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3684	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
2752		3685	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
2753	cf::cede_to_tick;	3686	$cf::face::HASH{$info->{hash64}} = $idx;
		3687	delete $cf::face::META[$idx];
2754	}	3688	}
2755		3689
2756	while (my ($face, $info) = each %$faces) {	3690	while (my ($face, $info) = each %$faces) {
2757	next unless $info->{smooth};	3691	next unless $info->{smooth};
		3692
2758	my $idx = cf::face::find $face	3693	my $idx = cf::face::find $face
2759	or next;	3694	or next;
		3695
2760	if (my $smooth = cf::face::find $info->{smooth}) {	3696	if (my $smooth = cf::face::find $info->{smooth}) {
2761	cf::face::set_smooth $idx, $smooth;	3697	cf::face::set_smooth $idx, $smooth;
2762	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3698	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2763	} else {	3699	} else {
2764	warn "smooth face '$info->{smooth}' not found for face '$face'";	3700	error "smooth face '$info->{smooth}' not found for face '$face'";
2765	}	3701	}
2766
2767	cf::cede_to_tick;
2768	}	3702	}
2769	}	3703	}
2770		3704
2771	{	3705	{
2772	my $anims = $facedata->{animinfo};	3706	my $anims = $facedata->{animinfo};
2773		3707
2774	while (my ($anim, $info) = each %$anims) {	3708	while (my ($anim, $info) = each %$anims) {
2775	cf::anim::set $anim, $info->{frames}, $info->{facings};	3709	cf::anim::set $anim, $info->{frames}, $info->{facings};
2776	cf::cede_to_tick;
2777	}	3710	}
2778		3711
2779	cf::anim::invalidate_all; # d'oh	3712	cf::anim::invalidate_all; # d'oh
2780	}	3713	}
2781		3714
2782	{	3715	{
2783	# TODO: for gcfclient pleasure, we should give resources
2784	# that gcfclient doesn't grok a >10000 face index.
2785	my $res = $facedata->{resource};	3716	my $res = $facedata->{resource};
2786	my $enc = JSON::XS->new->utf8->canonical;
2787		3717
2788	while (my ($name, $info) = each %$res) {	3718	while (my ($name, $info) = each %$res) {
2789	my $meta = $enc->encode ({	3719	if (defined (my $type = $info->{type})) {
2790	name => $name,	3720	# TODO: different hash - must free and use new index, or cache ixface data queue
2791	type => $info->{type},
2792	copyright => $info->{copyright}, #TODO#
2793	});
2794
2795	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3721	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2796		3722
2797	if ($name =~ /\.jpg$/) {	3723	cf::face::set_type $idx, $type;
2798	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3724	cf::face::set_csum $idx, 0, $info->{hash};
2799	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	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;
2800	} else {	3729	} else {
2801	my $data = pack "(w/a*)*", $meta, $info->{data};	3730	# $RESOURCE{$name} = $info; # unused
2802	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2803
2804	cf::face::set_type $idx, 1;
2805	cf::face::set_data $idx, 0, $data, $chk;
2806	}	3731	}
2807
2808	cf::cede_to_tick;
2809	}	3732	}
2810	}	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;
		3744
		3745	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3746
		3747	aio_close $fh if $fh; # close old facedata
2811		3748
2812	1	3749	1
2813	}	3750	}
2814		3751
		3752	register_exticmd fx_want => sub {
		3753	my ($ns, $want) = @_;
		3754
		3755	while (my ($k, $v) = each %$want) {
		3756	$ns->fx_want ($k, $v);
		3757	}
		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	}
		3783
2815	sub reload_regions {	3784	sub reload_regions {
		3785	# HACK to clear player env face cache, we need some signal framework
		3786	# for this (global event?)
		3787	%ext::player_env::MUSIC_FACE_CACHE = ();
		3788
2816	load_resource_file "$MAPDIR/regions"	3789	load_resource_file "$MAPDIR/regions"
2817	or die "unable to load regions file\n";	3790	or die "unable to load regions file\n";
2818		3791
2819	for (cf::region::list) {	3792	for (cf::region::list) {
2820	$_->{match} = qr/$_->{match}/	3793	$_->{match} = qr/$_->{match}/
2821	if exists $_->{match};	3794	if exists $_->{match};
2822	}	3795	}
2823	}	3796	}
2824		3797
2825	sub reload_facedata {	3798	sub reload_facedata {
2826	load_facedata "$DATADIR/facedata"	3799	load_facedata $DATADIR
2827	or die "unable to load facedata\n";	3800	or die "unable to load facedata\n";
2828	}	3801	}
2829		3802
2830	sub reload_archetypes {	3803	sub reload_archetypes {
2831	load_resource_file "$DATADIR/archetypes"	3804	load_resource_file "$DATADIR/archetypes"
2832	or die "unable to load archetypes\n";	3805	or die "unable to load archetypes\n";
2833	#d# NEED to laod twice to resolve forward references	3806
2834	# this really needs to be done in an extra post-pass	3807	cf::face::set
2835	# (which needs to be synchronous, so solve it differently)	3808	"res/skill_info" => FT_RSRC,
2836	load_resource_file "$DATADIR/archetypes"	3809	JSON::XS->new->utf8->canonical->encode (
2837	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;
2838	}	3832	}
2839		3833
2840	sub reload_treasures {	3834	sub reload_treasures {
2841	load_resource_file "$DATADIR/treasures"	3835	load_resource_file "$DATADIR/treasures"
2842	or die "unable to load treasurelists\n";	3836	or die "unable to load treasurelists\n";
2843	}	3837	}
2844		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
2845	sub reload_resources {	3859	sub reload_resources {
2846	warn "reloading resource files...\n";	3860	trace "reloading resource files...\n";
2847		3861
		3862	reload_materials;
		3863	reload_facedata;
		3864	reload_exp_table;
		3865	reload_sound;
		3866	reload_archetypes;
2848	reload_regions;	3867	reload_regions;
2849	reload_facedata;
2850	#reload_archetypes;#d#
2851	reload_archetypes;
2852	reload_treasures;	3868	reload_treasures;
2853		3869
2854	warn "finished reloading resource files\n";	3870	trace "finished reloading resource files\n";
2855	}	3871	}
2856		3872
2857	sub init {	3873	sub reload_config {
2858	reload_resources;	3874	trace "reloading config file...\n";
2859	}
2860		3875
2861	sub cfg_load {	3876	my $config = load_file "$CONFDIR/config";
2862	open my $fh, "<:utf8", "$CONFDIR/config"	3877	utf8::decode $config;
2863	or return;	3878	*CFG = decode_yaml $config;
2864		3879
2865	local $/;
2866	*CFG = YAML::Syck::Load <$fh>;
2867
2868	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3880	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2869		3881
2870	$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};
2871	$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};
2872		3884
2873	if (exists $CFG{mlockall}) {	3885	if (exists $CFG{mlockall}) {
…		…
2877	};	3889	};
2878	warn $@ if $@;	3890	warn $@ if $@;
2879	}	3891	}
2880	}	3892	}
2881		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
2882	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
2883	# we must not ever block the main coroutine	3932	# we must not ever block the main coroutine
2884	local $Coro::idle = sub {	3933	$Coro::idle = sub {
2885	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#
2886	(async {	3935	(async {
2887	Event::one_event;	3936	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3937	EV::loop EV::LOOP_ONESHOT;
2888	})->prio (Coro::PRIO_MAX);	3938	})->prio (Coro::PRIO_MAX);
2889	};	3939	};
2890		3940
2891	cfg_load;	3941	evthread_start IO::AIO::poll_fileno;
		3942
		3943	cf::sync_job {
		3944	cf::incloader::init ();
		3945
2892	db_init;	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;
		3955	reload_config;
		3956
		3957	cf::init_uuid;
		3958	cf::init_signals;
		3959	cf::init_skills;
		3960
		3961	cf::init_beforeplay;
		3962
		3963	atomic;
		3964
2893	load_extensions;	3965	load_extensions;
2894		3966
2895	$TICK_WATCHER->start;	3967	utime time, time, $RUNTIMEFILE;
2896	Event::loop;	3968
		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;
2897	}	3984	}
2898		3985
2899	#############################################################################	3986	#############################################################################
2900	# initialisation and cleanup	3987	# initialisation and cleanup
2901		3988
2902	# install some emergency cleanup handlers	3989	# install some emergency cleanup handlers
2903	BEGIN {	3990	BEGIN {
		3991	our %SIGWATCHER = ();
2904	for my $signal (qw(INT HUP TERM)) {	3992	for my $signal (qw(INT HUP TERM)) {
2905	Event->signal (	3993	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2906	reentrant => 0,
2907	data => WF_AUTOCANCEL,
2908	signal => $signal,
2909	prio => 0,
2910	cb => sub {
2911	cf::cleanup "SIG$signal";	3994	cf::cleanup "SIG$signal";
2912	},
2913	);	3995	};
2914	}	3996	}
2915	}	3997	}
2916		3998
2917	sub write_runtime {	3999	sub write_runtime_sync {
2918	my $runtime = "$LOCALDIR/runtime";	4000	my $t0 = AE::time;
2919		4001
2920	# first touch the runtime file to show we are still running:	4002	# first touch the runtime file to show we are still running:
2921	# the fsync below can take a very very long time.	4003	# the fsync below can take a very very long time.
2922		4004
2923	IO::AIO::aio_utime $runtime, undef, undef;	4005	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2924		4006
2925	my $guard = cf::lock_acquire "write_runtime";	4007	my $guard = cf::lock_acquire "write_runtime";
2926		4008
2927	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4009	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2928	or return;	4010	or return;
2929		4011
2930	my $value = $cf::RUNTIME + 90 + 10;	4012	my $value = $cf::RUNTIME + 90 + 10;
2931	# 10 is the runtime save interval, for a monotonic clock	4013	# 10 is the runtime save interval, for a monotonic clock
2932	# 60 allows for the watchdog to kill the server.	4014	# 60 allows for the watchdog to kill the server.
…		…
2942	aio_utime $fh, undef, undef;	4024	aio_utime $fh, undef, undef;
2943		4025
2944	close $fh	4026	close $fh
2945	or return;	4027	or return;
2946		4028
2947	aio_rename "$runtime~", $runtime	4029	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2948	and return;	4030	and return;
2949		4031
2950	warn "runtime file written.\n";	4032	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2951		4033
2952	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 };
2953	}	4085	}
2954		4086
2955	sub emergency_save() {	4087	sub emergency_save() {
2956	my $freeze_guard = cf::freeze_mainloop;	4088	my $freeze_guard = cf::freeze_mainloop;
2957		4089
2958	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;
2959		4096
2960	cf::sync_job {	4097	cf::sync_job {
		4098	cf::write_runtime_sync; # external watchdog should not bark
		4099
2961	# use a peculiar iteration method to avoid tripping on perl	4100	# use a peculiar iteration method to avoid tripping on perl
2962	# refcount bugs in for. also avoids problems with players	4101	# refcount bugs in for. also avoids problems with players
2963	# and maps saved/destroyed asynchronously.	4102	# and maps saved/destroyed asynchronously.
2964	warn "begin emergency player save\n";	4103	info "emergency_perl_save: begin player save\n";
2965	for my $login (keys %cf::PLAYER) {	4104	for my $login (keys %cf::PLAYER) {
2966	my $pl = $cf::PLAYER{$login} or next;	4105	my $pl = $cf::PLAYER{$login} or next;
2967	$pl->valid or next;	4106	$pl->valid or next;
		4107	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2968	$pl->save;	4108	$pl->save;
2969	}	4109	}
2970	warn "end emergency player save\n";	4110	info "emergency_perl_save: end player save\n";
2971		4111
2972	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";
2973	for my $path (keys %cf::MAP) {	4115	for my $path (keys %cf::MAP) {
2974	my $map = $cf::MAP{$path} or next;	4116	my $map = $cf::MAP{$path} or next;
2975	$map->valid or next;	4117	$map->valid or next;
2976	$map->save;	4118	$map->save;
2977	}	4119	}
2978	warn "end emergency map save\n";	4120	info "emergency_perl_save: end map save\n";
2979		4121
2980	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";
2981	BDB::db_env_txn_checkpoint $DB_ENV;	4125	BDB::db_env_txn_checkpoint $DB_ENV;
2982	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
2983	};	4150	};
2984		4151
2985	warn "leave emergency perl save\n";	4152	info "emergency_perl_save: leave\n";
2986	}	4153	}
2987		4154
2988	sub post_cleanup {	4155	sub post_cleanup {
2989	my ($make_core) = @_;	4156	my ($make_core) = @_;
2990		4157
		4158	IO::AIO::flush;
		4159
2991	warn Carp::longmess "post_cleanup backtrace"	4160	error Carp::longmess "post_cleanup backtrace"
2992	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	}
2993	}	4190	}
2994		4191
2995	sub do_reload_perl() {	4192	sub do_reload_perl() {
2996	# can/must only be called in main	4193	# can/must only be called in main
2997	if ($Coro::current != $Coro::main) {	4194	unless (in_main) {
2998	warn "can only reload from main coroutine";	4195	error "can only reload from main coroutine";
2999	return;	4196	return;
3000	}	4197	}
3001		4198
3002	warn "reloading...";	4199	return if $RELOAD++;
3003		4200
3004	warn "entering sync_job";	4201	my $t1 = AE::time;
3005		4202
		4203	while ($RELOAD) {
		4204	cf::get_slot 0.1, -1, "reload_perl";
		4205	info "perl_reload: reloading...";
		4206
		4207	trace "perl_reload: entering sync_job";
		4208
3006	cf::sync_job {	4209	cf::sync_job {
3007	cf::write_runtime; # external watchdog should not bark
3008	cf::emergency_save;	4210	#cf::emergency_save;
3009	cf::write_runtime; # external watchdog should not bark
3010		4211
3011	warn "syncing database to disk";
3012	BDB::db_env_txn_checkpoint $DB_ENV;
3013
3014	# if anything goes wrong in here, we should simply crash as we already saved
3015
3016	warn "cancelling all WF_AUTOCANCEL watchers";
3017	for (Event::all_watchers) {
3018	$_->cancel if $_->data & WF_AUTOCANCEL;
3019	}
3020
3021	warn "flushing outstanding aio requests";
3022	for (;;) {
3023	BDB::flush;
3024	IO::AIO::flush;
3025	Coro::cede;
3026	last unless IO::AIO::nreqs || BDB::nreqs;
3027	warn "iterate...";
3028	}
3029
3030	++$RELOAD;
3031
3032	warn "cancelling all extension coros";	4212	trace "perl_reload: cancelling all extension coros";
3033	$_->cancel for values %EXT_CORO;	4213	$_->cancel for values %EXT_CORO;
3034	%EXT_CORO = ();	4214	%EXT_CORO = ();
3035		4215
3036	warn "removing commands";	4216	trace "perl_reload: removing commands";
3037	%COMMAND = ();	4217	%COMMAND = ();
3038		4218
3039	warn "removing ext/exti commands";	4219	trace "perl_reload: removing ext/exti commands";
3040	%EXTCMD = ();	4220	%EXTCMD = ();
3041	%EXTICMD = ();	4221	%EXTICMD = ();
3042		4222
3043	warn "unloading/nuking all extensions";	4223	trace "perl_reload: unloading/nuking all extensions";
3044	for my $pkg (@EXTS) {	4224	for my $pkg (@EXTS) {
3045	warn "... unloading $pkg";	4225	trace "... unloading $pkg";
3046		4226
3047	if (my $cb = $pkg->can ("unload")) {	4227	if (my $cb = $pkg->can ("unload")) {
3048	eval {	4228	eval {
3049	$cb->($pkg);	4229	$cb->($pkg);
3050	1	4230	1
3051	} 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;
3052	}	4236	}
3053		4237
3054	warn "... nuking $pkg";
3055	Symbol::delete_package $pkg;
3056	}
3057
3058	warn "unloading all perl modules loaded from $LIBDIR";	4238	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3059	while (my ($k, $v) = each %INC) {	4239	while (my ($k, $v) = each %INC) {
3060	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4240	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3061		4241
3062	warn "... unloading $k";	4242	trace "... unloading $k";
3063	delete $INC{$k};	4243	delete $INC{$k};
3064		4244
3065	$k =~ s/\.pm$//;	4245	$k =~ s/\.pm$//;
3066	$k =~ s/\//::/g;	4246	$k =~ s/\//::/g;
3067		4247
3068	if (my $cb = $k->can ("unload_module")) {	4248	if (my $cb = $k->can ("unload_module")) {
3069	$cb->();	4249	$cb->();
		4250	}
		4251
		4252	clear_package $k;
3070	}	4253	}
3071		4254
3072	Symbol::delete_package $k;
3073	}
3074
3075	warn "getting rid of safe::, as good as possible";	4255	trace "perl_reload: getting rid of safe::, as good as possible";
3076	Symbol::delete_package "safe::$_"	4256	clear_package "safe::$_"
3077	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);
3078		4258
3079	warn "unloading cf.pm \"a bit\"";	4259	trace "perl_reload: unloading cf.pm \"a bit\"";
3080	delete $INC{"cf.pm"};	4260	delete $INC{"cf.pm"};
3081	delete $INC{"cf/pod.pm"};	4261	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3082		4262
3083	# don't, removes xs symbols, too,	4263	# don't, removes xs symbols, too,
3084	# and global variables created in xs	4264	# and global variables created in xs
3085	#Symbol::delete_package __PACKAGE__;	4265	#clear_package __PACKAGE__;
3086		4266
3087	warn "unload completed, starting to reload now";	4267	info "perl_reload: unload completed, starting to reload now";
3088		4268
3089	warn "reloading cf.pm";	4269	trace "perl_reload: reloading cf.pm";
3090	require cf;	4270	require cf;
3091	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4271	cf::_connect_to_perl_1;
3092		4272
3093	warn "loading config and database again";	4273	trace "perl_reload: loading config and database again";
3094	cf::cfg_load;	4274	cf::reload_config;
3095		4275
3096	warn "loading extensions";	4276	trace "perl_reload: loading extensions";
3097	cf::load_extensions;	4277	cf::load_extensions;
3098		4278
		4279	if ($REATTACH_ON_RELOAD) {
3099	warn "reattaching attachments to objects/players";	4280	trace "perl_reload: reattaching attachments to objects/players";
3100	_global_reattach; # objects, sockets	4281	_global_reattach; # objects, sockets
3101	warn "reattaching attachments to maps";	4282	trace "perl_reload: reattaching attachments to maps";
3102	reattach $_ for values %MAP;	4283	reattach $_ for values %MAP;
3103	warn "reattaching attachments to players";	4284	trace "perl_reload: reattaching attachments to players";
3104	reattach $_ for values %PLAYER;	4285	reattach $_ for values %PLAYER;
		4286	}
3105		4287
3106	warn "leaving sync_job";	4288	cf::_post_init 1;
3107		4289
		4290	trace "perl_reload: leaving sync_job";
		4291
3108	1	4292	1
3109	} or do {	4293	} or do {
3110	warn $@;	4294	error $@;
3111	warn "error while reloading, exiting.";	4295	cf::cleanup "perl_reload: error, exiting.";
3112	exit 1;	4296	};
		4297
		4298	--$RELOAD;
3113	};	4299	}
3114		4300
3115	warn "reloaded";	4301	$t1 = AE::time - $t1;
		4302	info "perl_reload: completed in ${t1}s\n";
3116	};	4303	};
3117		4304
3118	our $RELOAD_WATCHER; # used only during reload	4305	our $RELOAD_WATCHER; # used only during reload
3119		4306
3120	sub reload_perl() {	4307	sub reload_perl() {
3121	# doing reload synchronously and two reloads happen back-to-back,	4308	# doing reload synchronously and two reloads happen back-to-back,
3122	# coro crashes during coro_state_free->destroy here.	4309	# coro crashes during coro_state_free->destroy here.
3123		4310
3124	$RELOAD_WATCHER ||= Event->timer (	4311	$RELOAD_WATCHER ||= cf::async {
3125	reentrant => 0,	4312	Coro::AIO::aio_wait cache_extensions;
3126	after => 0,	4313
3127	data => WF_AUTOCANCEL,	4314	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3128	cb => sub {
3129	do_reload_perl;	4315	do_reload_perl;
3130	undef $RELOAD_WATCHER;	4316	undef $RELOAD_WATCHER;
3131	},	4317	};
3132	);	4318	};
3133	}	4319	}
3134		4320
3135	register_command "reload" => sub {	4321	register_command "reload" => sub {
3136	my ($who, $arg) = @_;	4322	my ($who, $arg) = @_;
3137		4323
3138	if ($who->flag (FLAG_WIZ)) {	4324	if ($who->flag (FLAG_WIZ)) {
3139	$who->message ("reloading server.");	4325	$who->message ("reloading server.");
		4326	async {
		4327	$Coro::current->{desc} = "perl_reload";
3140	async { reload_perl };	4328	reload_perl;
		4329	};
3141	}	4330	}
3142	};	4331	};
3143		4332
3144	unshift @INC, $LIBDIR;	4333	#############################################################################
3145		4334
3146	my $bug_warning = 0;	4335	my $bug_warning = 0;
3147		4336
3148	our @WAIT_FOR_TICK;
3149	our @WAIT_FOR_TICK_BEGIN;
3150
3151	sub wait_for_tick {	4337	sub wait_for_tick() {
3152	return unless $TICK_WATCHER->is_active;	4338	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3153	return if $Coro::current == $Coro::main;
3154		4339
3155	my $signal = new Coro::Signal;	4340	$WAIT_FOR_TICK->wait;
3156	push @WAIT_FOR_TICK, $signal;
3157	$signal->wait;
3158	}	4341	}
3159		4342
3160	sub wait_for_tick_begin {	4343	sub wait_for_tick_begin() {
3161	return unless $TICK_WATCHER->is_active;	4344	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3162	return if $Coro::current == $Coro::main;
3163		4345
3164	my $signal = new Coro::Signal;	4346	my $signal = new Coro::Signal;
3165	push @WAIT_FOR_TICK_BEGIN, $signal;	4347	push @WAIT_FOR_TICK_BEGIN, $signal;
3166	$signal->wait;	4348	$signal->wait;
3167	}	4349	}
3168		4350
3169	my $min = 1e6;#d#	4351	sub tick {
3170	my $avg = 10;
3171	$TICK_WATCHER = Event->timer (
3172	reentrant => 0,
3173	parked => 1,
3174	prio => 0,
3175	at => $NEXT_TICK || $TICK,
3176	data => WF_AUTOCANCEL,
3177	cb => sub {
3178	if ($Coro::current != $Coro::main) {	4352	if ($Coro::current != $Coro::main) {
3179	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4353	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3180	unless ++$bug_warning > 10;	4354	unless ++$bug_warning > 10;
3181	return;	4355	return;
3182	}	4356	}
3183		4357
3184	$NOW = $tick_start = Event::time;	4358	cf::one_tick; # one server iteration
3185		4359
3186	cf::server_tick; # one server iteration	4360	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3187		4361
3188	0 && sync_job {#d#	4362	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3189	for(1..10) {	4363	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3190	my $t = Event::time;	4364	Coro::async_pool {
3191	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4365	$Coro::current->{desc} = "runtime saver";
3192	or die;	4366	write_runtime_sync
3193		4367	or error "ERROR: unable to write runtime file: $!";
3194	$map->width (50);
3195	$map->height (50);
3196	$map->alloc;
3197	$map->_load_objects ("/tmp/x.map", 1);
3198	my $t = Event::time - $t;
3199
3200	#next unless $t < 0.0013;#d#
3201	if ($t < $min) {
3202	$min = $t;
3203	}
3204	$avg = $avg * 0.99 + $t * 0.01;
3205	}
3206	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3207	exit 0;
3208	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3209	};	4368	};
		4369	}
3210		4370
3211	$RUNTIME += $TICK;
3212	$NEXT_TICK += $TICK;
3213
3214	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3215	$NEXT_RUNTIME_WRITE = $NOW + 10;
3216	Coro::async_pool {
3217	write_runtime
3218	or warn "ERROR: unable to write runtime file: $!";
3219	};
3220	}
3221
3222	# my $AFTER = Event::time;
3223	# warn $AFTER - $NOW;#d#
3224
3225	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4371	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3226	$sig->send;	4372	$sig->send;
3227	}	4373	}
3228	while (my $sig = shift @WAIT_FOR_TICK) {	4374	$WAIT_FOR_TICK->broadcast;
3229	$sig->send;
3230	}
3231		4375
3232	$NOW = Event::time;	4376	$LOAD = ($NOW - $TICK_START) / $TICK;
3233
3234	# if we are delayed by four ticks or more, skip them all
3235	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3236
3237	$TICK_WATCHER->at ($NEXT_TICK);
3238	$TICK_WATCHER->start;
3239
3240	$LOAD = ($NOW - $tick_start) / $TICK;
3241	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4377	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3242		4378
3243	_post_tick;	4379	if (0) {
3244		4380	if ($NEXT_TICK) {
3245		4381	my $jitter = $TICK_START - $NEXT_TICK;
		4382	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4383	debug "jitter $JITTER\n";#d#
		4384	}
3246	},	4385	}
3247	);	4386	}
3248		4387
3249	{	4388	{
3250	BDB::max_poll_time $TICK * 0.1;	4389	# configure BDB
3251	$BDB_POLL_WATCHER = Event->io (	4390	info "initialising database";
3252	reentrant => 0,	4391
3253	fd => BDB::poll_fileno,
3254	poll => 'r',
3255	prio => 0,
3256	data => WF_AUTOCANCEL,
3257	cb => \&BDB::poll_cb,
3258	);
3259	BDB::min_parallel 8;	4392	BDB::min_parallel 16;
3260		4393	BDB::max_poll_reqs $TICK * 0.1;
3261	BDB::set_sync_prepare {	4394	#$AnyEvent::BDB::WATCHER->priority (1);
3262	my $status;
3263	my $current = $Coro::current;
3264	(
3265	sub {
3266	$status = $!;
3267	$current->ready; undef $current;
3268	},
3269	sub {
3270	Coro::schedule while defined $current;
3271	$! = $status;
3272	},
3273	)
3274	};
3275		4395
3276	unless ($DB_ENV) {	4396	unless ($DB_ENV) {
3277	$DB_ENV = BDB::db_env_create;	4397	$DB_ENV = BDB::db_env_create;
		4398	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		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;
		4401	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4402	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3278		4403
3279	cf::sync_job {	4404	cf::sync_job {
3280	eval {	4405	eval {
3281	BDB::db_env_open	4406	BDB::db_env_open
3282	$DB_ENV,	4407	$DB_ENV,
…		…
3284	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4409	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3285	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4410	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3286	0666;	4411	0666;
3287		4412
3288	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4413	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3289
3290	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3291	$DB_ENV->set_lk_detect;
3292	};	4414	};
3293		4415
3294	cf::cleanup "db_env_open(db): $@" if $@;	4416	cf::cleanup "db_env_open(db): $@" if $@;
3295	};	4417	};
3296	}	4418	}
		4419
		4420	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4421	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4422	};
		4423	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4424	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4425	};
		4426	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4427	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4428	};
		4429
		4430	info "database initialised";
3297	}	4431	}
3298		4432
3299	{	4433	{
		4434	# configure IO::AIO
		4435
		4436	info "initialising aio";
3300	IO::AIO::min_parallel 8;	4437	IO::AIO::min_parallel 8;
3301
3302	undef $Coro::AIO::WATCHER;
3303	IO::AIO::max_poll_time $TICK * 0.1;	4438	IO::AIO::max_poll_time $TICK * 0.1;
3304	$AIO_POLL_WATCHER = Event->io (	4439	undef $AnyEvent::AIO::WATCHER;
3305	reentrant => 0,	4440	info "aio initialised";
3306	data => WF_AUTOCANCEL,
3307	fd => IO::AIO::poll_fileno,
3308	poll => 'r',
3309	prio => 6,
3310	cb => \&IO::AIO::poll_cb,
3311	);
3312	}	4441	}
3313		4442
3314	my $_log_backtrace;	4443	our $_log_backtrace;
		4444	our $_log_backtrace_last;
3315		4445
3316	sub _log_backtrace {	4446	sub _log_backtrace {
3317	my ($msg, @addr) = @_;	4447	my ($msg, @addr) = @_;
3318		4448
3319	$msg =~ s/\n//;	4449	$msg =~ s/\n$//;
3320		4450
		4451	if ($_log_backtrace_last eq $msg) {
		4452	LOG llevInfo, "[ABT] $msg\n";
		4453	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3321	# limit the # of concurrent backtraces	4454	# limit the # of concurrent backtraces
3322	if ($_log_backtrace < 2) {	4455	} elsif ($_log_backtrace < 2) {
		4456	$_log_backtrace_last = $msg;
3323	++$_log_backtrace;	4457	++$_log_backtrace;
		4458	my $perl_bt = Carp::longmess $msg;
3324	async {	4459	async {
		4460	$Coro::current->{desc} = "abt $msg";
		4461
3325	my @bt = fork_call {	4462	my @bt = fork_call {
3326	@addr = map { sprintf "%x", $_ } @addr;	4463	@addr = map { sprintf "%x", $_ } @addr;
3327	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4464	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3328	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4465	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3329	or die "addr2line: $!";	4466	or die "addr2line: $!";
…		…
3337	}	4474	}
3338		4475
3339	@funcs	4476	@funcs
3340	};	4477	};
3341		4478
3342	LOG llevInfo, "[ABT] $msg\n";	4479	LOG llevInfo, "[ABT] $perl_bt\n";
		4480	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3343	LOG llevInfo, "[ABT] $_\n" for @bt;	4481	LOG llevInfo, "[ABT] $_\n" for @bt;
3344	--$_log_backtrace;	4482	--$_log_backtrace;
3345	};	4483	};
3346	} else {	4484	} else {
3347	LOG llevInfo, "[ABT] $msg\n";	4485	LOG llevInfo, "[ABT] $msg\n";
3348	LOG llevInfo, "[ABT] [suppressed]\n";	4486	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3349	}	4487	}
3350	}	4488	}
3351		4489
3352	# load additional modules	4490	# load additional modules
3353	use cf::pod;	4491	require "cf/$_.pm" for @EXTRA_MODULES;
		4492	cf::_connect_to_perl_2;
3354		4493
3355	END { cf::emergency_save }	4494	END { cf::emergency_save }
3356		4495
3357	1	4496	1
3358		4497

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines