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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.310 by elmex, Mon Jul 16 15:43:49 2007 UTC vs.
Revision 1.619 by root, Tue Aug 11 02:12:12 2015 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::run EV::RUN_ONCE;
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	for my $k (keys %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	This method will never block, which is the whole reaosn for it's
		2793	existance: you can I<always> put a player onto the link map, which is the
		2794	only place to put objects that is guaranteed to exist.
		2795
		2796	A typical usage pattern is to call C<enter_link> synchronously from the
		2797	server, then start a new thread, do your blocking stuff there and then
		2798	call C<leave_link> from that thread.
2196		2799
2197	=item $player_object->leave_link ($map, $x, $y)	2800	=item $player_object->leave_link ($map, $x, $y)
2198		2801
2199	Moves the player out of the special C<{link}> map onto the specified	2802	Moves the player out of the special C<{link}> map onto the specified
2200	map. If the map is not valid (or omitted), the player will be moved back	2803	map. If the map is not valid (or omitted), the player will be moved back
…		…
2218	sub cf::object::player::enter_link {	2821	sub cf::object::player::enter_link {
2219	my ($self) = @_;	2822	my ($self) = @_;
2220		2823
2221	$self->deactivate_recursive;	2824	$self->deactivate_recursive;
2222		2825
		2826	++$self->{_link_recursion};
		2827
2223	return if UNIVERSAL::isa $self->map, "ext::map_link";	2828	return if UNIVERSAL::isa $self->map, "ext::map_link";
2224		2829
2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2830	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2226	if $self->map && $self->map->{path} ne "{link}";	2831	if $self->map && $self->map->{path} ne "{link}";
2227		2832
2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2833	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2229	}	2834	}
2230		2835
2231	sub cf::object::player::leave_link {	2836	sub cf::object::player::leave_link {
2232	my ($self, $map, $x, $y) = @_;	2837	my ($self, $map, $x, $y) = @_;
2233		2838
…		…
2250	($x, $y) = (-1, -1)	2855	($x, $y) = (-1, -1)
2251	unless (defined $x) && (defined $y);	2856	unless (defined $x) && (defined $y);
2252		2857
2253	# use -1 or undef as default coordinates, not 0, 0	2858	# use -1 or undef as default coordinates, not 0, 0
2254	($x, $y) = ($map->enter_x, $map->enter_y)	2859	($x, $y) = ($map->enter_x, $map->enter_y)
2255	if $x <=0 && $y <= 0;	2860	if $x <= 0 && $y <= 0;
2256		2861
2257	$map->load;	2862	$map->load;
2258	$map->load_diag;
2259		2863
2260	return unless $self->contr->active;	2864	return unless $self->contr->active;
2261	$self->activate_recursive;
2262		2865
2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2866	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2264	$self->enter_map ($map, $x, $y);	2867	if ($self->enter_map ($map, $x, $y)) {
2265	}	2868	# entering was successful
		2869	delete $self->{_link_recursion};
		2870	# only activate afterwards, to support waiting in hooks
		2871	$self->activate_recursive;
		2872	}
2266		2873
		2874	}
		2875
2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2876	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2268		2877
2269	Moves the player to the given map-path and coordinates by first freezing	2878	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	2879	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	2880	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	2881	the new (success) or old (failed) map position. In either case, $done will
2273	be called at the end of this process.	2882	be called at the end of this process.
2274		2883
		2884	Note that $check will be called with a potentially non-loaded map, so if
		2885	it needs a loaded map it has to call C<< ->load >>.
		2886
2275	=cut	2887	=cut
2276		2888
2277	our $GOTOGEN;	2889	our $GOTOGEN;
2278		2890
2279	sub cf::object::player::goto {	2891	sub cf::object::player::goto {
2280	my ($self, $path, $x, $y, $check, $done) = @_;	2892	my ($self, $path, $x, $y, $check, $done) = @_;
2281		2893
		2894	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2895	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2896	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2897	($path, $x, $y) = @$EMERGENCY_POSITION;
		2898	}
		2899
2282	# do generation counting so two concurrent goto's will be executed in-order	2900	# do generation counting so two concurrent goto's will be executed in-order
2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2901	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2284		2902
2285	$self->enter_link;	2903	$self->enter_link;
2286		2904
2287	(async {	2905	(async {
		2906	$Coro::current->{desc} = "player::goto $path $x $y";
		2907
		2908	# *tag paths override both path and x|y
		2909	if ($path =~ /^\*(.*)$/) {
		2910	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2911	my $ob = $obs[rand @obs];
		2912
		2913	# see if we actually can go there
		2914	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2915	$ob = $obs[rand @obs];
		2916	} else {
		2917	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2918	}
		2919	# else put us there anyways for now #d#
		2920
		2921	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2922	} else {
		2923	($path, $x, $y) = (undef, undef, undef);
		2924	}
		2925	}
		2926
2288	my $map = eval {	2927	my $map = eval {
2289	my $map = cf::map::find $path;	2928	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2290		2929
2291	if ($map) {	2930	if ($map) {
2292	$map = $map->customise_for ($self);	2931	$map = $map->customise_for ($self);
2293	$map = $check->($map) if $check && $map;	2932	$map = $check->($map, $x, $y, $self) if $check && $map;
2294	} else {	2933	} else {
2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2934	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2296	}	2935	}
2297		2936
2298	$map	2937	$map
2299	};	2938	};
2300		2939
…		…
2306	if ($gen == $self->{_goto_generation}) {	2945	if ($gen == $self->{_goto_generation}) {
2307	delete $self->{_goto_generation};	2946	delete $self->{_goto_generation};
2308	$self->leave_link ($map, $x, $y);	2947	$self->leave_link ($map, $x, $y);
2309	}	2948	}
2310		2949
2311	$done->() if $done;	2950	$done->($self) if $done;
2312	})->prio (1);	2951	})->prio (1);
2313	}	2952	}
2314		2953
2315	=item $player_object->enter_exit ($exit_object)	2954	=item $player_object->enter_exit ($exit_object)
2316		2955
…		…
2336	}	2975	}
2337		2976
2338	sub prepare_random_map {	2977	sub prepare_random_map {
2339	my ($exit) = @_;	2978	my ($exit) = @_;
2340		2979
2341	my $guard = cf::lock_acquire "exit_prepare:$exit";
2342
2343	# all this does is basically replace the /! path by	2980	# all this does is basically replace the /! path by
2344	# a new random map path (?random/...) with a seed	2981	# a new random map path (?random/...) with a seed
2345	# that depends on the exit object	2982	# that depends on the exit object
2346		2983
2347	my $rmp = parse_random_map_params $exit->msg;	2984	my $rmp = parse_random_map_params $exit->msg;
…		…
2349	if ($exit->map) {	2986	if ($exit->map) {
2350	$rmp->{region} = $exit->region->name;	2987	$rmp->{region} = $exit->region->name;
2351	$rmp->{origin_map} = $exit->map->path;	2988	$rmp->{origin_map} = $exit->map->path;
2352	$rmp->{origin_x} = $exit->x;	2989	$rmp->{origin_x} = $exit->x;
2353	$rmp->{origin_y} = $exit->y;	2990	$rmp->{origin_y} = $exit->y;
		2991
		2992	$exit->map->touch;
2354	}	2993	}
2355		2994
2356	$rmp->{random_seed} ||= $exit->random_seed;	2995	$rmp->{random_seed} ||= $exit->random_seed;
2357		2996
2358	my $data = cf::to_json $rmp;	2997	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2359	my $md5 = Digest::MD5::md5_hex $data;	2998	my $md5 = Digest::MD5::md5_hex $data;
2360	my $meta = "$RANDOMDIR/$md5.meta";	2999	my $meta = "$RANDOMDIR/$md5.meta";
2361		3000
2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3001	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2363	aio_write $fh, 0, (length $data), $data, 0;	3002	aio_write $fh, 0, (length $data), $data, 0;
2364	undef $fh;	3003	undef $fh;
2365	aio_rename "$meta~", $meta;	3004	aio_rename "$meta~", $meta;
2366		3005
		3006	my $slaying = "?random/$md5";
		3007
		3008	if ($exit->valid) {
2367	$exit->slaying ("?random/$md5");	3009	$exit->slaying ("?random/$md5");
2368	$exit->msg (undef);	3010	$exit->msg (undef);
		3011	}
2369	}	3012	}
2370	}	3013	}
2371		3014
2372	sub cf::object::player::enter_exit {	3015	sub cf::object::player::enter_exit {
2373	my ($self, $exit) = @_;	3016	my ($self, $exit) = @_;
2374		3017
2375	return unless $self->type == cf::PLAYER;	3018	return unless $self->type == cf::PLAYER;
2376		3019
2377	if ($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;	3020	$self->enter_link;
2389		3021
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 {	3022	(async {
2395	$self->deactivate_recursive; # just to be sure	3023	$Coro::current->{desc} = "enter_exit";
		3024
2396	unless (eval {	3025	unless (eval {
		3026	$self->deactivate_recursive; # just to be sure
		3027
		3028	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3029	my $x = $exit->stats->hp;
		3030	my $y = $exit->stats->sp;
		3031
		3032	# special map handling
		3033	my $slaying = $exit->slaying;
		3034
		3035	# special map handling
		3036	if ($slaying eq "/!") {
		3037	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3038
		3039	prepare_random_map $exit
		3040	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3041
		3042	$map = $exit->slaying;
		3043
		3044	} elsif ($slaying eq '!up') {
		3045	$map = $exit->map->tile_path (cf::TILE_UP);
		3046	$x = $exit->x;
		3047	$y = $exit->y;
		3048
		3049	} elsif ($slaying eq '!down') {
		3050	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3051	$x = $exit->x;
		3052	$y = $exit->y;
		3053	}
		3054
2397	$self->goto ($slaying, $hp, $sp);	3055	$self->goto ($map, $x, $y);
2398		3056
		3057	# if exit is damned, update players death & WoR home-position
		3058	$self->contr->savebed ($map, $x, $y)
		3059	if $exit->flag (cf::FLAG_DAMNED);
		3060
2399	1;	3061	1
2400	}) {	3062	}) {
2401	$self->message ("Something went wrong deep within the crossfire server. "	3063	$self->message ("Something went wrong deep within the deliantra server. "
2402	. "I'll try to bring you back to the map you were before. "	3064	. "I'll try to bring you back to the map you were before. "
2403	. "Please report this to the dungeon master!",	3065	. "Please report this to the dungeon master!",
2404	cf::NDI_UNIQUE | cf::NDI_RED);	3066	cf::NDI_UNIQUE | cf::NDI_RED);
2405		3067
2406	warn "ERROR in enter_exit: $@";	3068	error "ERROR in enter_exit: $@";
2407	$self->leave_link;	3069	$self->leave_link;
2408	}	3070	}
2409	})->prio (1);	3071	})->prio (1);
2410	}	3072	}
2411		3073
2412	=head3 cf::client	3074	=head3 cf::client
2413		3075
2414	=over 4	3076	=over 4
2415		3077
2416	=item $client->send_drawinfo ($text, $flags)	3078	=item $client->send_big_packet ($pkt)
2417		3079
2418	Sends a drawinfo packet to the client. Circumvents output buffering so	3080	Like C<send_packet>, but tries to compress large packets, and fragments
2419	should not be used under normal circumstances.	3081	them as required.
2420		3082
2421	=cut	3083	=cut
2422		3084
		3085	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3086
2423	sub cf::client::send_drawinfo {	3087	sub cf::client::send_big_packet {
2424	my ($self, $text, $flags) = @_;	3088	my ($self, $pkt) = @_;
2425		3089
2426	utf8::encode $text;	3090	# try lzf for large packets
2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3091	$pkt = "lzf " . Compress::LZF::compress $pkt
2428	}	3092	if 1024 <= length $pkt and $self->{can_lzf};
2429		3093
		3094	# split very large packets
		3095	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3096	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3097	$pkt = "frag";
		3098	}
		3099
		3100	$self->send_packet ($pkt);
		3101	}
		3102
2430	=item $client->send_msg ($color, $type, $msg, [extra...])	3103	=item $client->send_msg ($channel, $msg, $color, [extra...])
2431		3104
2432	Send a drawinfo or msg packet to the client, formatting the msg for the	3105	Send a msg packet to the client, formatting the msg for the client if
2433	client if neccessary. C<$type> should be a string identifying the type of	3106	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	3107	message, with C<log> being the default. If C<$color> is negative, suppress
2435	the message unless the client supports the msg packet.	3108	the message unless the client supports the msg packet.
2436		3109
2437	=cut	3110	=cut
2438		3111
		3112	# non-persistent channels (usually the info channel)
		3113	our %CHANNEL = (
		3114	"c/motd" => {
		3115	id => "infobox",
		3116	title => "MOTD",
		3117	reply => undef,
		3118	tooltip => "The message of the day",
		3119	},
		3120	"c/identify" => {
		3121	id => "infobox",
		3122	title => "Identify",
		3123	reply => undef,
		3124	tooltip => "Items recently identified",
		3125	},
		3126	"c/examine" => {
		3127	id => "infobox",
		3128	title => "Examine",
		3129	reply => undef,
		3130	tooltip => "Signs and other items you examined",
		3131	},
		3132	"c/shopinfo" => {
		3133	id => "infobox",
		3134	title => "Shop Info",
		3135	reply => undef,
		3136	tooltip => "What your bargaining skill tells you about the shop",
		3137	},
		3138	"c/book" => {
		3139	id => "infobox",
		3140	title => "Book",
		3141	reply => undef,
		3142	tooltip => "The contents of a note or book",
		3143	},
		3144	"c/lookat" => {
		3145	id => "infobox",
		3146	title => "Look",
		3147	reply => undef,
		3148	tooltip => "What you saw there",
		3149	},
		3150	"c/who" => {
		3151	id => "infobox",
		3152	title => "Players",
		3153	reply => undef,
		3154	tooltip => "Shows players who are currently online",
		3155	},
		3156	"c/body" => {
		3157	id => "infobox",
		3158	title => "Body Parts",
		3159	reply => undef,
		3160	tooltip => "Shows which body parts you posess and are available",
		3161	},
		3162	"c/statistics" => {
		3163	id => "infobox",
		3164	title => "Statistics",
		3165	reply => undef,
		3166	tooltip => "Shows your primary statistics",
		3167	},
		3168	"c/skills" => {
		3169	id => "infobox",
		3170	title => "Skills",
		3171	reply => undef,
		3172	tooltip => "Shows your experience per skill and item power",
		3173	},
		3174	"c/shopitems" => {
		3175	id => "infobox",
		3176	title => "Shop Items",
		3177	reply => undef,
		3178	tooltip => "Shows the items currently for sale in this shop",
		3179	},
		3180	"c/resistances" => {
		3181	id => "infobox",
		3182	title => "Resistances",
		3183	reply => undef,
		3184	tooltip => "Shows your resistances",
		3185	},
		3186	"c/pets" => {
		3187	id => "infobox",
		3188	title => "Pets",
		3189	reply => undef,
		3190	tooltip => "Shows information abotu your pets/a specific pet",
		3191	},
		3192	"c/perceiveself" => {
		3193	id => "infobox",
		3194	title => "Perceive Self",
		3195	reply => undef,
		3196	tooltip => "You gained detailed knowledge about yourself",
		3197	},
		3198	"c/uptime" => {
		3199	id => "infobox",
		3200	title => "Uptime",
		3201	reply => undef,
		3202	tooltip => "How long the server has been running since last restart",
		3203	},
		3204	"c/mapinfo" => {
		3205	id => "infobox",
		3206	title => "Map Info",
		3207	reply => undef,
		3208	tooltip => "Information related to the maps",
		3209	},
		3210	"c/party" => {
		3211	id => "party",
		3212	title => "Party",
		3213	reply => "gsay ",
		3214	tooltip => "Messages and chat related to your party",
		3215	},
		3216	"c/death" => {
		3217	id => "death",
		3218	title => "Death",
		3219	reply => undef,
		3220	tooltip => "Reason for and more info about your most recent death",
		3221	},
		3222	"c/fatal" => {
		3223	id => "fatal",
		3224	title => "Fatal Error",
		3225	reply => undef,
		3226	tooltip => "Reason for the server disconnect",
		3227	},
		3228	"c/say" => $SAY_CHANNEL,
		3229	"c/chat" => $CHAT_CHANNEL,
		3230	);
		3231
2439	sub cf::client::send_msg {	3232	sub cf::client::send_msg {
2440	my ($self, $color, $type, $msg, @extra) = @_;	3233	my ($self, $channel, $msg, $color, @extra) = @_;
2441		3234
2442	$msg = $self->pl->expand_cfpod ($msg);	3235	$msg = $self->pl->expand_cfpod ($msg)
		3236	unless $color & cf::NDI_VERBATIM;
		3237
		3238	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3239
		3240	# check predefined channels, for the benefit of C
		3241	if ($CHANNEL{$channel}) {
		3242	$channel = $CHANNEL{$channel};
		3243
		3244	$self->ext_msg (channel_info => $channel);
		3245	$channel = $channel->{id};
		3246
		3247	} elsif (ref $channel) {
		3248	# send meta info to client, if not yet sent
		3249	unless (exists $self->{channel}{$channel->{id}}) {
		3250	$self->{channel}{$channel->{id}} = $channel;
		3251	$self->ext_msg (channel_info => $channel);
		3252	}
		3253
		3254	$channel = $channel->{id};
		3255	}
2443		3256
2444	return unless @extra || length $msg;	3257	return unless @extra || length $msg;
2445		3258
2446	if ($self->can_msg) {	3259	# default colour, mask it out
2447	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3260	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2448	} else {	3261	if $color & cf::NDI_DEF;
2449	# replace some tags by gcfclient-compatible ones
2450	for ($msg) {
2451	1 while
2452	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2453	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2454	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2455	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2456	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2457	}
2458		3262
2459	if ($color >= 0) {	3263	my $pkt = "msg "
2460	if (0 && $msg =~ /\[/) {	3264	. $self->{json_coder}->encode (
2461	$self->send_packet ("drawextinfo $color 4 0 $msg")	3265	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2462	} else {	3266	);
2463	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2464	$self->send_packet ("drawinfo $color $msg")
2465	}
2466	}
2467	}
2468	}
2469		3267
		3268	$self->send_big_packet ($pkt);
		3269	}
		3270
2470	=item $client->ext_event ($type, %msg)	3271	=item $client->ext_msg ($type, @msg)
2471		3272
2472	Sends an ext event to the client.	3273	Sends an ext event to the client.
2473		3274
2474	=cut	3275	=cut
2475		3276
2476	sub cf::client::ext_event($$%) {	3277	sub cf::client::ext_msg($$@) {
2477	my ($self, $type, %msg) = @_;	3278	my ($self, $type, @msg) = @_;
2478		3279
2479	return unless $self->extcmd;
2480
2481	$msg{msgtype} = "event_$type";
2482	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3280	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2483	}	3281	}
2484		3282
2485	=item $success = $client->query ($flags, "text", \&cb)	3283	=item $success = $client->query ($flags, "text", \&cb)
2486		3284
2487	Queues a query to the client, calling the given callback with	3285	Queues a query to the client, calling the given callback with
…		…
2507		3305
2508	$self->send_packet ($self->{query_queue}[0][0])	3306	$self->send_packet ($self->{query_queue}[0][0])
2509	if @{ $self->{query_queue} } == 1;	3307	if @{ $self->{query_queue} } == 1;
2510		3308
2511	1	3309	1
		3310	}
		3311
		3312	=item $client->update_command_faces
		3313
		3314	=cut
		3315
		3316	our %COMMAND_FACE;
		3317
		3318	sub cf::client::update_command_faces {
		3319	my ($self) = @_;
		3320
		3321	my @faces = grep $_,
		3322	$COMMAND_FACE{preferred},
		3323	$COMMAND_FACE{standard},
		3324	$COMMAND_FACE{skill},
		3325	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3326	$COMMAND_FACE{emote},
		3327	;
		3328
		3329	$self->send_face ($_)
		3330	for @faces;
		3331	$self->flush_fx;
		3332
		3333	$self->ext_msg (command_list => @faces);
		3334	}
		3335
		3336	=item cf::client::set_command_face $type, $commands
		3337
		3338	=cut
		3339
		3340	sub cf::client::set_command_face {
		3341	my ($type, $list) = @_;
		3342
		3343	my $idx = &cf::face::set ( #d# ugly forward reference
		3344	"command_list/$type" => cf::FT_RSRC,
		3345	JSON::XS->new->utf8->encode ([ sort @$list ])
		3346	);
		3347
		3348	$COMMAND_FACE{$type} = $idx;
2512	}	3349	}
2513		3350
2514	cf::client->attach (	3351	cf::client->attach (
2515	on_connect => sub {	3352	on_connect => sub {
2516	my ($ns) = @_;	3353	my ($ns) = @_;
…		…
2542	my ($ns, $buf) = @_;	3379	my ($ns, $buf) = @_;
2543		3380
2544	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3381	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2545		3382
2546	if (ref $msg) {	3383	if (ref $msg) {
		3384	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3385
2547	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3386	if (my $cb = $EXTIACMD{$type}) {
2548	if (my %reply = $cb->($ns, $msg)) {	3387	$cb->(
2549	$reply{msgid} = $msg->{msgid};	3388	$ns,
2550	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));	3389	sub {
		3390	$ns->ext_msg ("reply-$reply", @_)
		3391	if $reply;
		3392	},
		3393	@payload
		3394	);
		3395	} else {
		3396	my @reply;
		3397
		3398	if (my $cb = $EXTICMD{$type}) {
		3399	@reply = $cb->($ns, @payload);
2551	}	3400	}
		3401
		3402	$ns->ext_msg ("reply-$reply", @reply)
		3403	if $reply;
2552	}	3404	}
2553	} else {	3405	} else {
2554	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3406	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2555	}	3407	}
2556		3408
2557	cf::override;	3409	cf::override;
2558	},	3410	},
2559	);	3411	);
…		…
2579		3431
2580	$coro	3432	$coro
2581	}	3433	}
2582		3434
2583	cf::client->attach (	3435	cf::client->attach (
2584	on_destroy => sub {	3436	on_client_destroy => sub {
2585	my ($ns) = @_;	3437	my ($ns) = @_;
2586		3438
2587	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3439	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2588	},	3440	},
2589	);	3441	);
…		…
2604	our $safe = new Safe "safe";	3456	our $safe = new Safe "safe";
2605	our $safe_hole = new Safe::Hole;	3457	our $safe_hole = new Safe::Hole;
2606		3458
2607	$SIG{FPE} = 'IGNORE';	3459	$SIG{FPE} = 'IGNORE';
2608		3460
2609	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3461	$safe->permit_only (Opcode::opset qw(
		3462	:base_core :base_mem :base_orig :base_math :base_loop
		3463	grepstart grepwhile mapstart mapwhile
		3464	sort time
		3465	));
2610		3466
2611	# here we export the classes and methods available to script code	3467	# here we export the classes and methods available to script code
2612		3468
2613	=pod	3469	=pod
2614		3470
2615	The following functions and methods are available within a safe environment:	3471	The following functions and methods are available within a safe environment:
2616		3472
2617	cf::object	3473	cf::object
2618	contr pay_amount pay_player map x y force_find force_add	3474	contr pay_amount pay_player map x y force_find force_add destroy
2619	insert remove	3475	insert remove name archname title slaying race decrease split
		3476	value
2620		3477
2621	cf::object::player	3478	cf::object::player
2622	player	3479	player
2623		3480
2624	cf::player	3481	cf::player
…		…
2629		3486
2630	=cut	3487	=cut
2631		3488
2632	for (	3489	for (
2633	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3490	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2634	insert remove)],	3491	insert remove inv nrof name archname title slaying race
		3492	decrease split destroy change_exp value msg lore send_msg)],
2635	["cf::object::player" => qw(player)],	3493	["cf::object::player" => qw(player)],
2636	["cf::player" => qw(peaceful)],	3494	["cf::player" => qw(peaceful send_msg)],
2637	["cf::map" => qw(trigger)],	3495	["cf::map" => qw(trigger)],
2638	) {	3496	) {
2639	no strict 'refs';
2640	my ($pkg, @funs) = @$_;	3497	my ($pkg, @funs) = @$_;
2641	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3498	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2642	for @funs;	3499	for @funs;
2643	}	3500	}
2644		3501
…		…
2659		3516
2660	my $qcode = $code;	3517	my $qcode = $code;
2661	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3518	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2662	$qcode =~ s/\n/\\n/g;	3519	$qcode =~ s/\n/\\n/g;
2663		3520
		3521	%vars = (_dummy => 0) unless %vars;
		3522
		3523	my @res;
2664	local $_;	3524	local $_;
2665	local @safe::cf::_safe_eval_args = values %vars;
2666		3525
2667	my $eval =	3526	my $eval =
2668	"do {\n"	3527	"do {\n"
2669	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3528	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2670	. "#line 0 \"{$qcode}\"\n"	3529	. "#line 0 \"{$qcode}\"\n"
2671	. $code	3530	. $code
2672	. "\n}"	3531	. "\n}"
2673	;	3532	;
2674		3533
		3534	if ($CFG{safe_eval}) {
2675	sub_generation_inc;	3535	sub_generation_inc;
		3536	local @safe::cf::_safe_eval_args = values %vars;
2676	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3537	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2677	sub_generation_inc;	3538	sub_generation_inc;
		3539	} else {
		3540	local @cf::_safe_eval_args = values %vars;
		3541	@res = wantarray ? eval eval : scalar eval $eval;
		3542	}
2678		3543
2679	if ($@) {	3544	if ($@) {
2680	warn "$@";	3545	warn "$@",
2681	warn "while executing safe code '$code'\n";	3546	"while executing safe code '$code'\n",
2682	warn "with arguments " . (join " ", %vars) . "\n";	3547	"with arguments " . (join " ", %vars) . "\n";
2683	}	3548	}
2684		3549
2685	wantarray ? @res : $res[0]	3550	wantarray ? @res : $res[0]
2686	}	3551	}
2687		3552
…		…
2701	=cut	3566	=cut
2702		3567
2703	sub register_script_function {	3568	sub register_script_function {
2704	my ($fun, $cb) = @_;	3569	my ($fun, $cb) = @_;
2705		3570
2706	no strict 'refs';	3571	$fun = "safe::$fun" if $CFG{safe_eval};
2707	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3572	*$fun = $safe_hole->wrap ($cb);
2708	}	3573	}
2709		3574
2710	=back	3575	=back
2711		3576
2712	=cut	3577	=cut
2713		3578
2714	#############################################################################	3579	#############################################################################
2715	# the server's init and main functions	3580	# the server's init and main functions
2716		3581
		3582	{
		3583	package cf::face;
		3584
		3585	our %HASH; # hash => idx
		3586	our @DATA; # dynamically-created facedata, only faceste 0 used
		3587	our @FOFS; # file offset, if > 0
		3588	our @SIZE; # size of face, in octets
		3589	our @META; # meta hash of face, if any
		3590	our $DATAFH; # facedata filehandle
		3591
		3592	# internal api, not finalised
		3593	sub set {
		3594	my ($name, $type, $data) = @_;
		3595
		3596	my $idx = cf::face::find $name;
		3597
		3598	if ($idx) {
		3599	delete $HASH{cf::face::get_csum $idx};
		3600	} else {
		3601	$idx = cf::face::alloc $name;
		3602	}
		3603
		3604	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3605
		3606	cf::face::set_type $idx, $type;
		3607	cf::face::set_csum $idx, 0, $hash;
		3608
		3609	# we need to destroy the SV itself, not just modify it, as a running ix
		3610	# might hold a reference to it: "delete" achieves that.
		3611	delete $FOFS[0][$idx];
		3612	delete $DATA[0][$idx];
		3613	$DATA[0][$idx] = $data;
		3614	$SIZE[0][$idx] = length $data;
		3615	delete $META[$idx];
		3616	$HASH{$hash} = $idx;#d#
		3617
		3618	$idx
		3619	}
		3620
		3621	sub _get_data($$$) {
		3622	my ($idx, $set, $cb) = @_;
		3623
		3624	if (defined $DATA[$set][$idx]) {
		3625	$cb->($DATA[$set][$idx]);
		3626	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3627	my $size = $SIZE[$set][$idx];
		3628	my $buf;
		3629	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3630	if ($_[0] == $size) {
		3631	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3632	$cb->($buf);
		3633	} else {
		3634	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3635	}
		3636	};
		3637	} else {
		3638	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3639	}
		3640	}
		3641
		3642	# rather ineffient
		3643	sub cf::face::get_data($;$) {
		3644	my ($idx, $set) = @_;
		3645
		3646	_get_data $idx, $set, Coro::rouse_cb;
		3647	Coro::rouse_wait
		3648	}
		3649
		3650	sub cf::face::ix {
		3651	my ($ns, $set, $idx, $pri) = @_;
		3652
		3653	_get_data $idx, $set, sub {
		3654	$ns->ix_send ($idx, $pri, $_[0]);
		3655	};
		3656	}
		3657	}
		3658
2717	sub load_facedata($) {	3659	sub load_facedata($) {
2718	my ($path) = @_;	3660	my ($path) = @_;
2719		3661
		3662	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3663
2720	warn "loading facedata from $path\n";	3664	trace "loading facedata from $path\n";
2721		3665
2722	my $facedata;	3666	my $facedata = decode_storable load_file "$path/faceinfo";
2723	0 < aio_load $path, $facedata
2724	or die "$path: $!";
2725
2726	$facedata = Coro::Storable::thaw $facedata;
2727		3667
2728	$facedata->{version} == 2	3668	$facedata->{version} == 2
2729	or cf::cleanup "$path: version mismatch, cannot proceed.";	3669	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3670
		3671	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3672	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3673
		3674	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3675
		3676	# BEGIN ATOMIC
		3677	# from here on, everything must be atomic - no thread switch allowed
		3678	my $t1 = EV::time;
2730		3679
2731	{	3680	{
2732	my $faces = $facedata->{faceinfo};	3681	my $faces = $facedata->{faceinfo};
2733		3682
2734	while (my ($face, $info) = each %$faces) {	3683	for my $face (sort keys %$faces) {
		3684	my $info = $faces->{$face};
2735	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3685	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3686
2736	cf::face::set_visibility $idx, $info->{visibility};	3687	cf::face::set_visibility $idx, $info->{visibility};
2737	cf::face::set_magicmap $idx, $info->{magicmap};	3688	cf::face::set_magicmap $idx, $info->{magicmap};
2738	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3689	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2739	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3690	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
2740		3691	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
2741	cf::cede_to_tick;	3692	$cf::face::HASH{$info->{hash64}} = $idx;
		3693	delete $cf::face::META[$idx];
2742	}	3694	}
2743		3695
2744	while (my ($face, $info) = each %$faces) {	3696	while (my ($face, $info) = each %$faces) {
2745	next unless $info->{smooth};	3697	next unless $info->{smooth};
		3698
2746	my $idx = cf::face::find $face	3699	my $idx = cf::face::find $face
2747	or next;	3700	or next;
		3701
2748	if (my $smooth = cf::face::find $info->{smooth}) {	3702	if (my $smooth = cf::face::find $info->{smooth}) {
2749	cf::face::set_smooth $idx, $smooth;	3703	cf::face::set_smooth $idx, $smooth;
2750	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3704	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2751	} else {	3705	} else {
2752	warn "smooth face '$info->{smooth}' not found for face '$face'";	3706	error "smooth face '$info->{smooth}' not found for face '$face'";
2753	}	3707	}
2754
2755	cf::cede_to_tick;
2756	}	3708	}
2757	}	3709	}
2758		3710
2759	{	3711	{
2760	my $anims = $facedata->{animinfo};	3712	my $anims = $facedata->{animinfo};
2761		3713
2762	while (my ($anim, $info) = each %$anims) {	3714	while (my ($anim, $info) = each %$anims) {
2763	cf::anim::set $anim, $info->{frames}, $info->{facings};	3715	cf::anim::set $anim, $info->{frames}, $info->{facings};
2764	cf::cede_to_tick;
2765	}	3716	}
2766		3717
2767	cf::anim::invalidate_all; # d'oh	3718	cf::anim::invalidate_all; # d'oh
2768	}	3719	}
2769		3720
2770	{	3721	{
2771	# TODO: for gcfclient pleasure, we should give resources
2772	# that gcfclient doesn't grok a >10000 face index.
2773	my $res = $facedata->{resource};	3722	my $res = $facedata->{resource};
2774	my $enc = JSON::XS->new->utf8->canonical;
2775		3723
2776	while (my ($name, $info) = each %$res) {	3724	while (my ($name, $info) = each %$res) {
2777	my $meta = $enc->encode ({	3725	if (defined (my $type = $info->{type})) {
2778	name => $name,	3726	# TODO: different hash - must free and use new index, or cache ixface data queue
2779	type => $info->{type},
2780	copyright => $info->{copyright}, #TODO#
2781	});
2782
2783	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3727	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2784		3728
2785	if ($name =~ /\.jpg$/) {	3729	cf::face::set_type $idx, $type;
2786	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3730	cf::face::set_csum $idx, 0, $info->{hash};
2787	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3731	$cf::face::SIZE[0][$idx] = $info->{size};
		3732	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3733	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3734	$cf::face::HASH{$info->{hash}} = $idx;
2788	} else {	3735	} else {
2789	my $data = pack "(w/a*)*", $meta, $info->{data};	3736	# $RESOURCE{$name} = $info; # unused
2790	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2791
2792	cf::face::set_type $idx, 1;
2793	cf::face::set_data $idx, 0, $data, $chk;
2794	}	3737	}
2795
2796	cf::cede_to_tick;
2797	}	3738	}
2798	}	3739	}
		3740
		3741	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3742
		3743	# HACK to clear player env face cache, we need some signal framework
		3744	# for this (global event?)
		3745	%ext::player_env::MUSIC_FACE_CACHE = ();
		3746
		3747	# END ATOMIC
		3748
		3749	cf::debug "facedata atomic update time ", EV::time - $t1;
		3750
		3751	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3752
		3753	aio_close $fh if $fh; # close old facedata
2799		3754
2800	1	3755	1
2801	}	3756	}
2802		3757
		3758	register_exticmd fx_want => sub {
		3759	my ($ns, $want) = @_;
		3760
		3761	while (my ($k, $v) = each %$want) {
		3762	$ns->fx_want ($k, $v);
		3763	}
		3764	};
		3765
		3766	sub load_resource_file($) {
		3767	my $guard = lock_acquire "load_resource_file";
		3768
		3769	my $status = load_resource_file_ $_[0];
		3770	get_slot 0.1, 100;
		3771	cf::arch::commit_load;
		3772
		3773	$status
		3774	}
		3775
		3776	sub reload_exp_table {
		3777	_reload_exp_table;
		3778
		3779	cf::face::set
		3780	"res/exp_table" => FT_RSRC,
		3781	JSON::XS->new->utf8->canonical->encode (
		3782	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3783	);
		3784	}
		3785
		3786	sub reload_materials {
		3787	_reload_materials;
		3788	}
		3789
2803	sub reload_regions {	3790	sub reload_regions {
		3791	# HACK to clear player env face cache, we need some signal framework
		3792	# for this (global event?)
		3793	%ext::player_env::MUSIC_FACE_CACHE = ();
		3794
2804	load_resource_file "$MAPDIR/regions"	3795	load_resource_file "$MAPDIR/regions"
2805	or die "unable to load regions file\n";	3796	or die "unable to load regions file\n";
2806		3797
2807	for (cf::region::list) {	3798	for (cf::region::list) {
2808	$_->{match} = qr/$_->{match}/	3799	$_->{match} = qr/$_->{match}/
2809	if exists $_->{match};	3800	if exists $_->{match};
2810	}	3801	}
2811	}	3802	}
2812		3803
2813	sub reload_facedata {	3804	sub reload_facedata {
2814	load_facedata "$DATADIR/facedata"	3805	load_facedata $DATADIR
2815	or die "unable to load facedata\n";	3806	or die "unable to load facedata\n";
2816	}	3807	}
2817		3808
2818	sub reload_archetypes {	3809	sub reload_archetypes {
2819	load_resource_file "$DATADIR/archetypes"	3810	load_resource_file "$DATADIR/archetypes"
2820	or die "unable to load archetypes\n";	3811	or die "unable to load archetypes\n";
2821	#d# NEED to laod twice to resolve forward references	3812
2822	# this really needs to be done in an extra post-pass	3813	cf::face::set
2823	# (which needs to be synchronous, so solve it differently)	3814	"res/skill_info" => FT_RSRC,
2824	load_resource_file "$DATADIR/archetypes"	3815	JSON::XS->new->utf8->canonical->encode (
2825	or die "unable to load archetypes\n";	3816	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3817	);
		3818
		3819	cf::face::set
		3820	"res/spell_paths" => FT_RSRC,
		3821	JSON::XS->new->utf8->canonical->encode (
		3822	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3823	);
		3824
		3825	# command completion
		3826	my @commands;
		3827
		3828	for (0..cf::arch::skillvec_size - 1) {
		3829	my $skill = cf::arch::skillvec $_;
		3830	my $name = $skill->name;
		3831	my $flags = cf::skill_flags $skill->subtype;
		3832
		3833	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3834	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3835	}
		3836
		3837	cf::client::set_command_face skill => \@commands;
2826	}	3838	}
2827		3839
2828	sub reload_treasures {	3840	sub reload_treasures {
2829	load_resource_file "$DATADIR/treasures"	3841	load_resource_file "$DATADIR/treasures"
2830	or die "unable to load treasurelists\n";	3842	or die "unable to load treasurelists\n";
2831	}	3843	}
2832		3844
		3845	sub reload_sound {
		3846	trace "loading sound config from $DATADIR/sound\n";
		3847
		3848	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3849
		3850	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3851	my $sound = $soundconf->{compat}[$_]
		3852	or next;
		3853
		3854	my $face = cf::face::find "sound/$sound->[1]";
		3855	cf::sound::set $sound->[0] => $face;
		3856	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3857	}
		3858
		3859	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3860	my $face = cf::face::find "sound/$v";
		3861	cf::sound::set $k => $face;
		3862	}
		3863	}
		3864
2833	sub reload_resources {	3865	sub reload_resources {
2834	warn "reloading resource files...\n";	3866	trace "reloading resource files...\n";
2835		3867
		3868	reload_materials;
		3869	reload_facedata;
		3870	reload_exp_table;
		3871	reload_sound;
		3872	reload_archetypes;
2836	reload_regions;	3873	reload_regions;
2837	reload_facedata;
2838	#reload_archetypes;#d#
2839	reload_archetypes;
2840	reload_treasures;	3874	reload_treasures;
2841		3875
2842	warn "finished reloading resource files\n";	3876	trace "finished reloading resource files\n";
2843	}	3877	}
2844		3878
2845	sub init {	3879	sub reload_config {
2846	reload_resources;	3880	trace "reloading config file...\n";
2847	}
2848		3881
2849	sub cfg_load {	3882	my $config = load_file "$CONFDIR/config";
2850	open my $fh, "<:utf8", "$CONFDIR/config"	3883	utf8::decode $config;
2851	or return;	3884	*CFG = decode_yaml $config;
2852		3885
2853	local $/;
2854	*CFG = YAML::Syck::Load <$fh>;
2855
2856	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3886	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2857		3887
2858	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3888	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2859	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3889	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2860		3890
2861	if (exists $CFG{mlockall}) {	3891	if (exists $CFG{mlockall}) {
…		…
2865	};	3895	};
2866	warn $@ if $@;	3896	warn $@ if $@;
2867	}	3897	}
2868	}	3898	}
2869		3899
		3900	sub pidfile() {
		3901	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3902	or die "$PIDFILE: $!";
		3903	flock $fh, &Fcntl::LOCK_EX
		3904	or die "$PIDFILE: flock: $!";
		3905	$fh
		3906	}
		3907
		3908	# make sure only one server instance is running at any one time
		3909	sub atomic {
		3910	my $fh = pidfile;
		3911
		3912	my $pid = <$fh>;
		3913	kill 9, $pid if $pid > 0;
		3914
		3915	seek $fh, 0, 0;
		3916	print $fh $$;
		3917	}
		3918
		3919	sub main_loop {
		3920	trace "EV::run starting\n";
		3921	if (1) {
		3922	EV::run;
		3923	}
		3924	trace "EV::run returned\n";
		3925	goto &main_loop unless $REALLY_UNLOOP;
		3926	}
		3927
2870	sub main {	3928	sub main {
		3929	cf::init_globals; # initialise logging
		3930
		3931	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3932	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3933	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3934	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3935
		3936	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3937
2871	# we must not ever block the main coroutine	3938	# we must not ever block the main coroutine
2872	local $Coro::idle = sub {	3939	$Coro::idle = sub {
2873	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3940	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2874	(async {	3941	(async {
2875	Event::one_event;	3942	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3943	EV::run EV::RUN_ONCE;
2876	})->prio (Coro::PRIO_MAX);	3944	})->prio (Coro::PRIO_MAX);
2877	};	3945	};
2878		3946
2879	cfg_load;	3947	evthread_start IO::AIO::poll_fileno;
		3948
		3949	cf::sync_job {
		3950	cf::incloader::init ();
		3951
2880	db_init;	3952	db_init;
		3953
		3954	cf::init_anim;
		3955	cf::init_attackmess;
		3956	cf::init_dynamic;
		3957
		3958	cf::load_settings;
		3959
		3960	reload_resources;
		3961	reload_config;
		3962
		3963	cf::init_uuid;
		3964	cf::init_signals;
		3965	cf::init_skills;
		3966
		3967	cf::init_beforeplay;
		3968
		3969	atomic;
		3970
2881	load_extensions;	3971	load_extensions;
2882		3972
2883	$TICK_WATCHER->start;	3973	utime time, time, $RUNTIMEFILE;
2884	Event::loop;	3974
		3975	# no (long-running) fork's whatsoever before this point(!)
		3976	use POSIX ();
		3977	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3978
		3979	cf::_post_init 0;
		3980	};
		3981
		3982	cf::object::thawer::errors_are_fatal 0;
		3983	info "parse errors in files are no longer fatal from this point on.\n";
		3984
		3985	AE::postpone {
		3986	undef &main; # free gobs of memory :)
		3987	};
		3988
		3989	goto &main_loop;
2885	}	3990	}
2886		3991
2887	#############################################################################	3992	#############################################################################
2888	# initialisation and cleanup	3993	# initialisation and cleanup
2889		3994
2890	# install some emergency cleanup handlers	3995	# install some emergency cleanup handlers
2891	BEGIN {	3996	BEGIN {
		3997	our %SIGWATCHER = ();
2892	for my $signal (qw(INT HUP TERM)) {	3998	for my $signal (qw(INT HUP TERM)) {
2893	Event->signal (	3999	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2894	reentrant => 0,
2895	data => WF_AUTOCANCEL,
2896	signal => $signal,
2897	prio => 0,
2898	cb => sub {
2899	cf::cleanup "SIG$signal";	4000	cf::cleanup "SIG$signal";
2900	},
2901	);	4001	};
2902	}	4002	}
2903	}	4003	}
2904		4004
2905	sub write_runtime {	4005	sub write_runtime_sync {
2906	my $runtime = "$LOCALDIR/runtime";	4006	my $t0 = AE::time;
2907		4007
2908	# first touch the runtime file to show we are still running:	4008	# first touch the runtime file to show we are still running:
2909	# the fsync below can take a very very long time.	4009	# the fsync below can take a very very long time.
2910		4010
2911	IO::AIO::aio_utime $runtime, undef, undef;	4011	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2912		4012
2913	my $guard = cf::lock_acquire "write_runtime";	4013	my $guard = cf::lock_acquire "write_runtime";
2914		4014
2915	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4015	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2916	or return;	4016	or return;
2917		4017
2918	my $value = $cf::RUNTIME + 90 + 10;	4018	my $value = $cf::RUNTIME + 90 + 10;
2919	# 10 is the runtime save interval, for a monotonic clock	4019	# 10 is the runtime save interval, for a monotonic clock
2920	# 60 allows for the watchdog to kill the server.	4020	# 60 allows for the watchdog to kill the server.
…		…
2930	aio_utime $fh, undef, undef;	4030	aio_utime $fh, undef, undef;
2931		4031
2932	close $fh	4032	close $fh
2933	or return;	4033	or return;
2934		4034
2935	aio_rename "$runtime~", $runtime	4035	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2936	and return;	4036	and return;
2937		4037
2938	warn "runtime file written.\n";	4038	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2939		4039
2940	1	4040	1
		4041	}
		4042
		4043	our $uuid_lock;
		4044	our $uuid_skip;
		4045
		4046	sub write_uuid_sync($) {
		4047	$uuid_skip ||= $_[0];
		4048
		4049	return if $uuid_lock;
		4050	local $uuid_lock = 1;
		4051
		4052	my $uuid = "$LOCALDIR/uuid";
		4053
		4054	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4055	or return;
		4056
		4057	my $value = uuid_seq uuid_cur;
		4058
		4059	unless ($value) {
		4060	info "cowardly refusing to write zero uuid value!\n";
		4061	return;
		4062	}
		4063
		4064	my $value = uuid_str $value + $uuid_skip;
		4065	$uuid_skip = 0;
		4066
		4067	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4068	and return;
		4069
		4070	# always fsync - this file is important
		4071	aio_fsync $fh
		4072	and return;
		4073
		4074	close $fh
		4075	or return;
		4076
		4077	aio_rename "$uuid~", $uuid
		4078	and return;
		4079
		4080	trace "uuid file written ($value).\n";
		4081
		4082	1
		4083
		4084	}
		4085
		4086	sub write_uuid($$) {
		4087	my ($skip, $sync) = @_;
		4088
		4089	$sync ? write_uuid_sync $skip
		4090	: async { write_uuid_sync $skip };
2941	}	4091	}
2942		4092
2943	sub emergency_save() {	4093	sub emergency_save() {
2944	my $freeze_guard = cf::freeze_mainloop;	4094	my $freeze_guard = cf::freeze_mainloop;
2945		4095
2946	warn "enter emergency perl save\n";	4096	info "emergency_perl_save: enter\n";
		4097
		4098	# this is a trade-off: we want to be very quick here, so
		4099	# save all maps without fsync, and later call a global sync
		4100	# (which in turn might be very very slow)
		4101	local $USE_FSYNC = 0;
2947		4102
2948	cf::sync_job {	4103	cf::sync_job {
		4104	cf::write_runtime_sync; # external watchdog should not bark
		4105
2949	# use a peculiar iteration method to avoid tripping on perl	4106	# use a peculiar iteration method to avoid tripping on perl
2950	# refcount bugs in for. also avoids problems with players	4107	# refcount bugs in for. also avoids problems with players
2951	# and maps saved/destroyed asynchronously.	4108	# and maps saved/destroyed asynchronously.
2952	warn "begin emergency player save\n";	4109	info "emergency_perl_save: begin player save\n";
2953	for my $login (keys %cf::PLAYER) {	4110	for my $login (keys %cf::PLAYER) {
2954	my $pl = $cf::PLAYER{$login} or next;	4111	my $pl = $cf::PLAYER{$login} or next;
2955	$pl->valid or next;	4112	$pl->valid or next;
		4113	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2956	$pl->save;	4114	$pl->save;
2957	}	4115	}
2958	warn "end emergency player save\n";	4116	info "emergency_perl_save: end player save\n";
2959		4117
2960	warn "begin emergency map save\n";	4118	cf::write_runtime_sync; # external watchdog should not bark
		4119
		4120	info "emergency_perl_save: begin map save\n";
2961	for my $path (keys %cf::MAP) {	4121	for my $path (keys %cf::MAP) {
2962	my $map = $cf::MAP{$path} or next;	4122	my $map = $cf::MAP{$path} or next;
2963	$map->valid or next;	4123	$map->valid or next;
2964	$map->save;	4124	$map->save;
2965	}	4125	}
2966	warn "end emergency map save\n";	4126	info "emergency_perl_save: end map save\n";
2967		4127
2968	warn "begin emergency database checkpoint\n";	4128	cf::write_runtime_sync; # external watchdog should not bark
		4129
		4130	info "emergency_perl_save: begin database checkpoint\n";
2969	BDB::db_env_txn_checkpoint $DB_ENV;	4131	BDB::db_env_txn_checkpoint $DB_ENV;
2970	warn "end emergency database checkpoint\n";	4132	info "emergency_perl_save: end database checkpoint\n";
		4133
		4134	info "emergency_perl_save: begin write uuid\n";
		4135	write_uuid_sync 1;
		4136	info "emergency_perl_save: end write uuid\n";
		4137
		4138	cf::write_runtime_sync; # external watchdog should not bark
		4139
		4140	trace "emergency_perl_save: syncing database to disk";
		4141	BDB::db_env_txn_checkpoint $DB_ENV;
		4142
		4143	info "emergency_perl_save: starting sync\n";
		4144	IO::AIO::aio_sync sub {
		4145	info "emergency_perl_save: finished sync\n";
		4146	};
		4147
		4148	cf::write_runtime_sync; # external watchdog should not bark
		4149
		4150	trace "emergency_perl_save: flushing outstanding aio requests";
		4151	while (IO::AIO::nreqs || BDB::nreqs) {
		4152	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4153	}
		4154
		4155	cf::write_runtime_sync; # external watchdog should not bark
2971	};	4156	};
2972		4157
2973	warn "leave emergency perl save\n";	4158	info "emergency_perl_save: leave\n";
2974	}	4159	}
2975		4160
2976	sub post_cleanup {	4161	sub post_cleanup {
2977	my ($make_core) = @_;	4162	my ($make_core) = @_;
2978		4163
		4164	IO::AIO::flush;
		4165
2979	warn Carp::longmess "post_cleanup backtrace"	4166	error Carp::longmess "post_cleanup backtrace"
2980	if $make_core;	4167	if $make_core;
		4168
		4169	my $fh = pidfile;
		4170	unlink $PIDFILE if <$fh> == $$;
		4171	}
		4172
		4173	# a safer delete_package, copied from Symbol
		4174	sub clear_package($) {
		4175	my $pkg = shift;
		4176
		4177	# expand to full symbol table name if needed
		4178	unless ($pkg =~ /^main::.*::$/) {
		4179	$pkg = "main$pkg" if $pkg =~ /^::/;
		4180	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4181	$pkg .= '::' unless $pkg =~ /::$/;
		4182	}
		4183
		4184	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4185	my $stem_symtab = *{$stem}{HASH};
		4186
		4187	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4188	or return;
		4189
		4190	# clear all symbols
		4191	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4192	for my $name (keys %$leaf_symtab) {
		4193	_gv_clear *{"$pkg$name"};
		4194	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4195	}
2981	}	4196	}
2982		4197
2983	sub do_reload_perl() {	4198	sub do_reload_perl() {
2984	# can/must only be called in main	4199	# can/must only be called in main
2985	if ($Coro::current != $Coro::main) {	4200	unless (in_main) {
2986	warn "can only reload from main coroutine";	4201	error "can only reload from main coroutine";
2987	return;	4202	return;
2988	}	4203	}
2989		4204
2990	warn "reloading...";	4205	return if $RELOAD++;
2991		4206
2992	warn "entering sync_job";	4207	my $t1 = AE::time;
2993		4208
		4209	while ($RELOAD) {
		4210	cf::get_slot 0.1, -1, "reload_perl";
		4211	info "perl_reload: reloading...";
		4212
		4213	trace "perl_reload: entering sync_job";
		4214
2994	cf::sync_job {	4215	cf::sync_job {
2995	cf::write_runtime; # external watchdog should not bark
2996	cf::emergency_save;	4216	#cf::emergency_save;
2997	cf::write_runtime; # external watchdog should not bark
2998		4217
2999	warn "syncing database to disk";
3000	BDB::db_env_txn_checkpoint $DB_ENV;
3001
3002	# if anything goes wrong in here, we should simply crash as we already saved
3003
3004	warn "cancelling all WF_AUTOCANCEL watchers";
3005	for (Event::all_watchers) {
3006	$_->cancel if $_->data & WF_AUTOCANCEL;
3007	}
3008
3009	warn "flushing outstanding aio requests";
3010	for (;;) {
3011	BDB::flush;
3012	IO::AIO::flush;
3013	Coro::cede;
3014	last unless IO::AIO::nreqs || BDB::nreqs;
3015	warn "iterate...";
3016	}
3017
3018	++$RELOAD;
3019
3020	warn "cancelling all extension coros";	4218	trace "perl_reload: cancelling all extension coros";
3021	$_->cancel for values %EXT_CORO;	4219	$_->cancel for values %EXT_CORO;
3022	%EXT_CORO = ();	4220	%EXT_CORO = ();
3023		4221
3024	warn "removing commands";	4222	trace "perl_reload: removing commands";
3025	%COMMAND = ();	4223	%COMMAND = ();
3026		4224
3027	warn "removing ext/exti commands";	4225	trace "perl_reload: removing ext/exti commands";
3028	%EXTCMD = ();	4226	%EXTCMD = ();
3029	%EXTICMD = ();	4227	%EXTICMD = ();
3030		4228
3031	warn "unloading/nuking all extensions";	4229	trace "perl_reload: unloading/nuking all extensions";
3032	for my $pkg (@EXTS) {	4230	for my $pkg (@EXTS) {
3033	warn "... unloading $pkg";	4231	trace "... unloading $pkg";
3034		4232
3035	if (my $cb = $pkg->can ("unload")) {	4233	if (my $cb = $pkg->can ("unload")) {
3036	eval {	4234	eval {
3037	$cb->($pkg);	4235	$cb->($pkg);
3038	1	4236	1
3039	} or warn "$pkg unloaded, but with errors: $@";	4237	} or error "$pkg unloaded, but with errors: $@";
		4238	}
		4239
		4240	trace "... clearing $pkg";
		4241	clear_package $pkg;
3040	}	4242	}
3041		4243
3042	warn "... nuking $pkg";
3043	Symbol::delete_package $pkg;
3044	}
3045
3046	warn "unloading all perl modules loaded from $LIBDIR";	4244	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3047	while (my ($k, $v) = each %INC) {	4245	while (my ($k, $v) = each %INC) {
3048	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3049		4247
3050	warn "... unloading $k";	4248	trace "... unloading $k";
3051	delete $INC{$k};	4249	delete $INC{$k};
3052		4250
3053	$k =~ s/\.pm$//;	4251	$k =~ s/\.pm$//;
3054	$k =~ s/\//::/g;	4252	$k =~ s/\//::/g;
3055		4253
3056	if (my $cb = $k->can ("unload_module")) {	4254	if (my $cb = $k->can ("unload_module")) {
3057	$cb->();	4255	$cb->();
		4256	}
		4257
		4258	clear_package $k;
3058	}	4259	}
3059		4260
3060	Symbol::delete_package $k;
3061	}
3062
3063	warn "getting rid of safe::, as good as possible";	4261	trace "perl_reload: getting rid of safe::, as good as possible";
3064	Symbol::delete_package "safe::$_"	4262	clear_package "safe::$_"
3065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4263	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3066		4264
3067	warn "unloading cf.pm \"a bit\"";	4265	trace "perl_reload: unloading cf.pm \"a bit\"";
3068	delete $INC{"cf.pm"};	4266	delete $INC{"cf.pm"};
3069	delete $INC{"cf/pod.pm"};	4267	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3070		4268
3071	# don't, removes xs symbols, too,	4269	# don't, removes xs symbols, too,
3072	# and global variables created in xs	4270	# and global variables created in xs
3073	#Symbol::delete_package __PACKAGE__;	4271	#clear_package __PACKAGE__;
3074		4272
3075	warn "unload completed, starting to reload now";	4273	info "perl_reload: unload completed, starting to reload now";
3076		4274
3077	warn "reloading cf.pm";	4275	trace "perl_reload: reloading cf.pm";
3078	require cf;	4276	require cf;
3079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4277	cf::_connect_to_perl_1;
3080		4278
3081	warn "loading config and database again";	4279	trace "perl_reload: loading config and database again";
3082	cf::cfg_load;	4280	cf::reload_config;
3083		4281
3084	warn "loading extensions";	4282	trace "perl_reload: loading extensions";
3085	cf::load_extensions;	4283	cf::load_extensions;
3086		4284
		4285	if ($REATTACH_ON_RELOAD) {
3087	warn "reattaching attachments to objects/players";	4286	trace "perl_reload: reattaching attachments to objects/players";
3088	_global_reattach; # objects, sockets	4287	_global_reattach; # objects, sockets
3089	warn "reattaching attachments to maps";	4288	trace "perl_reload: reattaching attachments to maps";
3090	reattach $_ for values %MAP;	4289	reattach $_ for values %MAP;
3091	warn "reattaching attachments to players";	4290	trace "perl_reload: reattaching attachments to players";
3092	reattach $_ for values %PLAYER;	4291	reattach $_ for values %PLAYER;
		4292	}
3093		4293
3094	warn "leaving sync_job";	4294	cf::_post_init 1;
3095		4295
		4296	trace "perl_reload: leaving sync_job";
		4297
3096	1	4298	1
3097	} or do {	4299	} or do {
3098	warn $@;	4300	error $@;
3099	warn "error while reloading, exiting.";	4301	cf::cleanup "perl_reload: error, exiting.";
3100	exit 1;	4302	};
		4303
		4304	--$RELOAD;
3101	};	4305	}
3102		4306
3103	warn "reloaded";	4307	$t1 = AE::time - $t1;
		4308	info "perl_reload: completed in ${t1}s\n";
3104	};	4309	};
3105		4310
3106	our $RELOAD_WATCHER; # used only during reload	4311	our $RELOAD_WATCHER; # used only during reload
3107		4312
3108	sub reload_perl() {	4313	sub reload_perl() {
3109	# doing reload synchronously and two reloads happen back-to-back,	4314	# doing reload synchronously and two reloads happen back-to-back,
3110	# coro crashes during coro_state_free->destroy here.	4315	# coro crashes during coro_state_free->destroy here.
3111		4316
3112	$RELOAD_WATCHER ||= Event->timer (	4317	$RELOAD_WATCHER ||= cf::async {
3113	reentrant => 0,	4318	Coro::AIO::aio_wait cache_extensions;
3114	after => 0,	4319
3115	data => WF_AUTOCANCEL,	4320	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3116	cb => sub {
3117	do_reload_perl;	4321	do_reload_perl;
3118	undef $RELOAD_WATCHER;	4322	undef $RELOAD_WATCHER;
3119	},	4323	};
3120	);	4324	};
3121	}	4325	}
3122		4326
3123	register_command "reload" => sub {	4327	register_command "reload" => sub {
3124	my ($who, $arg) = @_;	4328	my ($who, $arg) = @_;
3125		4329
3126	if ($who->flag (FLAG_WIZ)) {	4330	if ($who->flag (FLAG_WIZ)) {
3127	$who->message ("reloading server.");	4331	$who->message ("reloading server.");
		4332	async {
		4333	$Coro::current->{desc} = "perl_reload";
3128	async { reload_perl };	4334	reload_perl;
		4335	};
3129	}	4336	}
3130	};	4337	};
3131		4338
3132	unshift @INC, $LIBDIR;	4339	#############################################################################
3133		4340
3134	my $bug_warning = 0;	4341	my $bug_warning = 0;
3135		4342
3136	our @WAIT_FOR_TICK;
3137	our @WAIT_FOR_TICK_BEGIN;
3138
3139	sub wait_for_tick {	4343	sub wait_for_tick() {
3140	return unless $TICK_WATCHER->is_active;	4344	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3141	return if $Coro::current == $Coro::main;
3142		4345
3143	my $signal = new Coro::Signal;	4346	$WAIT_FOR_TICK->wait;
3144	push @WAIT_FOR_TICK, $signal;
3145	$signal->wait;
3146	}	4347	}
3147		4348
3148	sub wait_for_tick_begin {	4349	sub wait_for_tick_begin() {
3149	return unless $TICK_WATCHER->is_active;	4350	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3150	return if $Coro::current == $Coro::main;
3151		4351
3152	my $signal = new Coro::Signal;	4352	my $signal = new Coro::Signal;
3153	push @WAIT_FOR_TICK_BEGIN, $signal;	4353	push @WAIT_FOR_TICK_BEGIN, $signal;
3154	$signal->wait;	4354	$signal->wait;
3155	}	4355	}
3156		4356
3157	my $min = 1e6;#d#	4357	sub tick {
3158	my $avg = 10;
3159	$TICK_WATCHER = Event->timer (
3160	reentrant => 0,
3161	parked => 1,
3162	prio => 0,
3163	at => $NEXT_TICK || $TICK,
3164	data => WF_AUTOCANCEL,
3165	cb => sub {
3166	if ($Coro::current != $Coro::main) {	4358	if ($Coro::current != $Coro::main) {
3167	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4359	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3168	unless ++$bug_warning > 10;	4360	unless ++$bug_warning > 10;
3169	return;	4361	return;
3170	}	4362	}
3171		4363
3172	$NOW = $tick_start = Event::time;	4364	cf::one_tick; # one server iteration
3173		4365
3174	cf::server_tick; # one server iteration	4366	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3175		4367
3176	0 && sync_job {#d#	4368	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3177	for(1..10) {	4369	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3178	my $t = Event::time;	4370	Coro::async_pool {
3179	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4371	$Coro::current->{desc} = "runtime saver";
3180	or die;	4372	write_runtime_sync
3181		4373	or error "ERROR: unable to write runtime file: $!";
3182	$map->width (50);
3183	$map->height (50);
3184	$map->alloc;
3185	$map->_load_objects ("/tmp/x.map", 1);
3186	my $t = Event::time - $t;
3187
3188	#next unless $t < 0.0013;#d#
3189	if ($t < $min) {
3190	$min = $t;
3191	}
3192	$avg = $avg * 0.99 + $t * 0.01;
3193	}
3194	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3195	exit 0;
3196	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3197	};	4374	};
		4375	}
3198		4376
3199	$RUNTIME += $TICK;
3200	$NEXT_TICK += $TICK;
3201
3202	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3203	$NEXT_RUNTIME_WRITE = $NOW + 10;
3204	Coro::async_pool {
3205	write_runtime
3206	or warn "ERROR: unable to write runtime file: $!";
3207	};
3208	}
3209
3210	# my $AFTER = Event::time;
3211	# warn $AFTER - $NOW;#d#
3212
3213	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4377	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3214	$sig->send;	4378	$sig->send;
3215	}	4379	}
3216	while (my $sig = shift @WAIT_FOR_TICK) {	4380	$WAIT_FOR_TICK->broadcast;
3217	$sig->send;
3218	}
3219		4381
3220	$NOW = Event::time;	4382	$LOAD = ($NOW - $TICK_START) / $TICK;
3221
3222	# if we are delayed by four ticks or more, skip them all
3223	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3224
3225	$TICK_WATCHER->at ($NEXT_TICK);
3226	$TICK_WATCHER->start;
3227
3228	$LOAD = ($NOW - $tick_start) / $TICK;
3229	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3230		4384
3231	_post_tick;	4385	if (0) {
3232		4386	if ($NEXT_TICK) {
3233		4387	my $jitter = $TICK_START - $NEXT_TICK;
		4388	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4389	debug "jitter $JITTER\n";#d#
		4390	}
3234	},	4391	}
3235	);	4392	}
3236		4393
3237	{	4394	{
3238	BDB::max_poll_time $TICK * 0.1;	4395	# configure BDB
3239	$BDB_POLL_WATCHER = Event->io (	4396	info "initialising database";
3240	reentrant => 0,	4397
3241	fd => BDB::poll_fileno,
3242	poll => 'r',
3243	prio => 0,
3244	data => WF_AUTOCANCEL,
3245	cb => \&BDB::poll_cb,
3246	);
3247	BDB::min_parallel 8;	4398	BDB::min_parallel 16;
3248		4399	BDB::max_poll_reqs $TICK * 0.1;
3249	BDB::set_sync_prepare {	4400	#$AnyEvent::BDB::WATCHER->priority (1);
3250	my $status;
3251	my $current = $Coro::current;
3252	(
3253	sub {
3254	$status = $!;
3255	$current->ready; undef $current;
3256	},
3257	sub {
3258	Coro::schedule while defined $current;
3259	$! = $status;
3260	},
3261	)
3262	};
3263		4401
3264	unless ($DB_ENV) {	4402	unless ($DB_ENV) {
3265	$DB_ENV = BDB::db_env_create;	4403	$DB_ENV = BDB::db_env_create;
		4404	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4405	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4406	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4407	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4408	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3266		4409
3267	cf::sync_job {	4410	cf::sync_job {
3268	eval {	4411	eval {
3269	BDB::db_env_open	4412	BDB::db_env_open
3270	$DB_ENV,	4413	$DB_ENV,
…		…
3272	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4415	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3273	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4416	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3274	0666;	4417	0666;
3275		4418
3276	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4419	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3277
3278	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3279	$DB_ENV->set_lk_detect;
3280	};	4420	};
3281		4421
3282	cf::cleanup "db_env_open(db): $@" if $@;	4422	cf::cleanup "db_env_open(db): $@" if $@;
3283	};	4423	};
3284	}	4424	}
		4425
		4426	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4427	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4428	};
		4429	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4430	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4431	};
		4432	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4433	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4434	};
		4435
		4436	info "database initialised";
3285	}	4437	}
3286		4438
3287	{	4439	{
		4440	# configure IO::AIO
		4441
		4442	info "initialising aio";
3288	IO::AIO::min_parallel 8;	4443	IO::AIO::min_parallel 8;
3289
3290	undef $Coro::AIO::WATCHER;
3291	IO::AIO::max_poll_time $TICK * 0.1;	4444	IO::AIO::max_poll_time $TICK * 0.1;
3292	$AIO_POLL_WATCHER = Event->io (	4445	undef $AnyEvent::AIO::WATCHER;
3293	reentrant => 0,	4446	info "aio initialised";
3294	data => WF_AUTOCANCEL,
3295	fd => IO::AIO::poll_fileno,
3296	poll => 'r',
3297	prio => 6,
3298	cb => \&IO::AIO::poll_cb,
3299	);
3300	}	4447	}
3301		4448
3302	my $_log_backtrace;	4449	our $_log_backtrace;
		4450	our $_log_backtrace_last;
3303		4451
3304	sub _log_backtrace {	4452	sub _log_backtrace {
3305	my ($msg, @addr) = @_;	4453	my ($msg, @addr) = @_;
3306		4454
3307	$msg =~ s/\n//;	4455	$msg =~ s/\n$//;
3308		4456
		4457	if ($_log_backtrace_last eq $msg) {
		4458	LOG llevInfo, "[ABT] $msg\n";
		4459	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3309	# limit the # of concurrent backtraces	4460	# limit the # of concurrent backtraces
3310	if ($_log_backtrace < 2) {	4461	} elsif ($_log_backtrace < 2) {
		4462	$_log_backtrace_last = $msg;
3311	++$_log_backtrace;	4463	++$_log_backtrace;
		4464	my $perl_bt = Carp::longmess $msg;
3312	async {	4465	async {
		4466	$Coro::current->{desc} = "abt $msg";
		4467
3313	my @bt = fork_call {	4468	my @bt = fork_call {
3314	@addr = map { sprintf "%x", $_ } @addr;	4469	@addr = map { sprintf "%x", $_ } @addr;
3315	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4470	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3316	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4471	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3317	or die "addr2line: $!";	4472	or die "addr2line: $!";
…		…
3325	}	4480	}
3326		4481
3327	@funcs	4482	@funcs
3328	};	4483	};
3329		4484
3330	LOG llevInfo, "[ABT] $msg\n";	4485	LOG llevInfo, "[ABT] $perl_bt\n";
		4486	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3331	LOG llevInfo, "[ABT] $_\n" for @bt;	4487	LOG llevInfo, "[ABT] $_\n" for @bt;
3332	--$_log_backtrace;	4488	--$_log_backtrace;
3333	};	4489	};
3334	} else {	4490	} else {
3335	LOG llevInfo, "[ABT] $msg\n";	4491	LOG llevInfo, "[ABT] $msg\n";
3336	LOG llevInfo, "[ABT] [suppressed]\n";	4492	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3337	}	4493	}
3338	}	4494	}
3339		4495
3340	# load additional modules	4496	# load additional modules
3341	use cf::pod;	4497	require "cf/$_.pm" for @EXTRA_MODULES;
		4498	cf::_connect_to_perl_2;
3342		4499
3343	END { cf::emergency_save }	4500	END { cf::emergency_save }
3344		4501
3345	1	4502	1
3346		4503

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