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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.345 by root, Tue Aug 28 19:30:11 2007 UTC vs.
Revision 1.613 by root, Mon Nov 26 13:12:16 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.64 ();	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;
24	use Coro::Util ();	54	use Coro::Util ();
25		55
		56	use Guard ();
26	use JSON::XS ();	57	use JSON::XS 2.01 ();
27	use BDB ();	58	use BDB ();
28	use Data::Dumper;	59	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	60	use Fcntl;
31	use YAML::Syck ();	61	use YAML::XS ();
32	use IO::AIO 2.32 ();	62	use IO::AIO ();
33	use Time::HiRes;
34	use Compress::LZF;	63	use Compress::LZF;
35	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
36		67
37	# configure various modules to our taste	68	# configure various modules to our taste
38	#	69	#
39	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
40	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";
41	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
42		78
43	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
44		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		81
50	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;
51		85
52	our %COMMAND = ();	86	our %COMMAND = ();
53	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
54		88
55	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
57	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
60		96
61	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
63		101
64	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
65	our $DATADIR = datadir;	104	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
69	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
74	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;
75		125
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	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;
81	our $NOW;	144	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		145
84	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
85	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
86
87	our %CFG;
88
89	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;
91
92	our %PLAYER; # all users
93	our %MAP; # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
95		149
96	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		152
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
102		165
103	binmode STDOUT;	166	binmode STDOUT;
104	binmode STDERR;	167	binmode STDERR;
105		168
106	# read virtual server time, if available	169	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
111	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
112		177
113	mkdir $_	178	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		180
116	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
117		182
118	sub cf::map::normalise;	183	sub cf::map::normalise;
119		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
120	#############################################################################	189	#############################################################################
121		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
122	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
123		203
124	=over 4	204	=over 4
125		205
126	=item $cf::UPTIME	206	=item $cf::UPTIME
127		207
128	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
129		224
130	=item $cf::RUNTIME	225	=item $cf::RUNTIME
131		226
132	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
133	every server tick.	228	every server tick.
134		229
135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
138		233
139	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
142	database environment.	237	database environment.
143		238
144	=item $cf::NOW
145
146	The time of the last (current) server tick.
147
148	=item $cf::TICK
149
150	The interval between server ticks, in seconds.
151
152	=item $cf::LOADAVG	239	=item $cf::LOADAVG
153		240
154	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
159		246
160	The raw value load value from the last tick.	247	The raw value load value from the last tick.
161		248
162	=item %cf::CFG	249	=item %cf::CFG
163		250
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	252	from wherever your confdir points to.
166		253
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		255
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
170	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
172		277
173	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
174		279
175	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	282	that call.
178		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
179	=back	290	=back
180		291
181	=cut	292	=cut
182		293
183	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	301	my $msg = join "", @_;
186		302
187	$msg .= "\n"	303	$msg .= "\n"
188	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
189		305
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		307
192	utf8::encode $msg;
193	LOG llevError, $msg;	308	LOG llevWarn, $msg;
194	};	309	};
195	}	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	};
196		324
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	335	for my $pkg (qw(
208	cf::global cf::attachable	336	cf::global cf::attachable
209	cf::object cf::object::player	337	cf::object cf::object::player
210	cf::client cf::player	338	cf::client cf::player
211	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
212	cf::map cf::party cf::region	341	cf::party cf::region
213	)) {	342	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	344	}
217		345
218	$Event::DIED = sub {	346	$EV::DIED = sub {
219	warn "error in event callback: @_";	347	warn "error in event callback: $@";
220	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
221		354
222	#############################################################################	355	#############################################################################
223		356
224	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
225		358
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	380	$d
248	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
249	}	382	}
250		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
251	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
252		437
253	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
254		439
255	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
256		441
257	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
258		443
259	=cut	444	=cut
260		445
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		447
263	sub to_json ($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
264	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	}
265		512
266	=item cf::lock_wait $string	513	=item cf::lock_wait $string
267		514
268	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
269		516
270	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
271		518
272	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
273	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,
274	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
275	returned.	522	returned.
276		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
277	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
278	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
279		529
280	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
281		531
282	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.
283		533
284	=cut	534	=cut
285		535
286	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
287		537
288	sub lock_wait($) {	538	sub lock_wait($) {
289	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	540	}
297		541
298	sub lock_acquire($) {	542	sub lock_acquire($) {
299	my ($key) = @_;	543	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	544	}
311		545
312	sub lock_active($) {	546	sub lock_active($) {
313	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	548	}
317		549
318	sub freeze_mainloop {	550	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
320		552
321	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	554	}
323	};	555
324	$TICK_WATCHER->stop;	556	=item cf::periodic $interval, $cb
325	$guard	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
326	}	569	}
327		570
328	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
329		572
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
331	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
332	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
333		580
334	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
335	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
336		583
337	Useful for short background jobs.	584	Useful for short background jobs.
338		585
339	=cut	586	=cut
340		587
341	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
343		591
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
346	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
347		598
348	while () {	599	while () {
349	next_job:	600	next_job:
		601
		602	Coro::cede;
		603
350	my $avail = cf::till_tick;	604	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	605
352	for (0 .. $#SLOT_QUEUE) {	606	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	609	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	610	$job->[2]->send;
356	Coro::cede;
357	goto next_job;	611	goto next_job;
358	}	612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	614	}
360	}	615	}
361		616
362	if (@SLOT_QUEUE) {	617	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	618	wait_for_tick;
364	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;
366	} else {	619	} else {
		620	$busy = 0;
367	Coro::schedule;	621	Coro::schedule;
368	}	622	}
369	}	623	}
370	};	624	};
371		625
372	sub get_slot($;$$) {	626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
373	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
374		630
375	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
376	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
377		634
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
391		648
392	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
393		650
394	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
395		652
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
397	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
398	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
399	acceptable.	656	acceptable.
400		657
401	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
402	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
…		…
406	=cut	663	=cut
407		664
408	sub sync_job(&) {	665	sub sync_job(&) {
409	my ($job) = @_;	666	my ($job) = @_;
410		667
411	if ($Coro::current == $Coro::main) {	668	if (in_main) {
412	my $time = Event::time;	669	my $time = AE::time;
413		670
414	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
416		673
417	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	675
419	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
420		677
421	my $busy = 1;	678	my $busy = 1;
422	my @res;	679	my @res;
423		680
424	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	683	@res = eval { $job->() };
426	warn $@ if $@;	684	error $@ if $@;
427	undef $busy;	685	undef $busy;
428	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
429		687
430	while ($busy) {	688	while ($busy) {
431	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
432	}	693	}
		694	}
433		695
434	$time = Event::time - $time;	696	my $time = AE::time - $time;
435		697
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
440		699
441	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
442	} else {	701	} else {
443	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
444		703
…		…
464	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
465		724
466	$coro	725	$coro
467	}	726	}
468		727
469	=item fork_call { }, $args	728	=item fork_call { }, @args
470		729
471	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
472	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
473	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
474	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
475		734
476	=cut	735	=cut
		736
		737	sub post_fork {
		738	reset_signals;
		739	}
477		740
478	sub fork_call(&@) {	741	sub fork_call(&@) {
479	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
480		743
481	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)
484
485	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
486	reset_signals;	745	cf::post_fork;
487	&$cb	746	&$cb
488	}, @args;	747	} @args;
489		748
490	wantarray ? @res : $res[-1]	749	wantarray ? @res : $res[-1]
		750	}
		751
		752	sub objinfo {
		753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
		761	}
		762
		763	=item $coin = coin_from_name $name
		764
		765	=cut
		766
		767	our %coin_alias = (
		768	"silver" => "silvercoin",
		769	"silvercoin" => "silvercoin",
		770	"silvercoins" => "silvercoin",
		771	"gold" => "goldcoin",
		772	"goldcoin" => "goldcoin",
		773	"goldcoins" => "goldcoin",
		774	"platinum" => "platinacoin",
		775	"platinumcoin" => "platinacoin",
		776	"platinumcoins" => "platinacoin",
		777	"platina" => "platinacoin",
		778	"platinacoin" => "platinacoin",
		779	"platinacoins" => "platinacoin",
		780	"royalty" => "royalty",
		781	"royalties" => "royalty",
		782	);
		783
		784	sub coin_from_name($) {
		785	$coin_alias{$_[0]}
		786	? cf::arch::find $coin_alias{$_[0]}
		787	: undef
491	}	788	}
492		789
493	=item $value = cf::db_get $family => $key	790	=item $value = cf::db_get $family => $key
494		791
495	Returns a single value from the environment database.	792	Returns a single value from the environment database.
…		…
497	=item cf::db_put $family => $key => $value	794	=item cf::db_put $family => $key => $value
498		795
499	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
500	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).
501		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
502	=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	}
503		825
504	our $DB;	826	our $DB;
505		827
506	sub db_init {	828	sub db_init {
507	unless ($DB) {	829	$DB ||= db_table "db";
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {
511	eval {
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}
521	}	830	}
522		831
523	sub db_get($$) {	832	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
525		834
526	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
527	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
528		839
529	$! ? ()	840	$! ? ()
530	: $data	841	: $data
531	}
532	}	842	}
533		843
534	sub db_put($$$) {	844	sub db_put($$$) {
535	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
564		874
565	my @data;	875	my @data;
566	my $md5;	876	my $md5;
567		877
568	for (0 .. $#$src) {	878	for (0 .. $#$src) {
569	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
570	or Carp::croak "$src->[$_]: $!";
571	}	880	}
572		881
573	# if processing is expensive, check	882	# if processing is expensive, check
574	# checksum first	883	# checksum first
575	if (1) {	884	if (1) {
576	$md5 =	885	$md5 =
577	join "\x00",	886	join "\x00",
578	$processversion,	887	$processversion,
579	map {	888	map {
580	Coro::cede;	889	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	890	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	891	} 0.. $#$src;
583		892
584		893
585	my $dbmd5 = db_get cache => "$id/md5";	894	my $dbmd5 = db_get cache => "$id/md5";
…		…
588		897
589	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
590	}	899	}
591	}	900	}
592		901
593	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
594	my $data = $process->(\@data);	903	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
596		905
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		907
599	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
602		911
…		…
612		921
613	=cut	922	=cut
614		923
615	sub datalog($@) {	924	sub datalog($@) {
616	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	927	}
619		928
620	=back	929	=back
621		930
622	=cut	931	=cut
623		932
624	#############################################################################	933	#############################################################################
625		934
626	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
627		936
628	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
629	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")
630	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
631		940
632	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>
633	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
634	Crossfire TRT).	943	Deliantra).
635		944
636	=over 4	945	=over 4
637		946
638	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
639		948
…		…
683	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
684		993
685	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
686	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
687		996
688	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
689	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.
690		999
691	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
692		1001
693	=over 4	1002	=over 4
…		…
817		1126
818	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		1129
821	} elsif (ref $type) {	1130	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
823		1132
824	} else {	1133	} else {
825	shift @arg;	1134	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
827	}	1136	}
828	}	1137	}
829	}	1138	}
830		1139
831	sub _object_attach {	1140	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
842	}	1151	}
843		1152
844	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
845	} else {	1154	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1156	}
848		1157
849	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
850	}	1159	}
851		1160
…		…
910		1219
911	for (@$callbacks) {	1220	for (@$callbacks) {
912	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
913		1222
914	if ($@) {	1223	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1225	override;
918	}	1226	}
919		1227
920	return 1 if $override;	1228	return 1 if $override;
921	}	1229	}
922		1230
923	0	1231	0
924	}	1232	}
925		1233
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1235
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1237
930	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
931		1239
…		…
937		1245
938	=cut	1246	=cut
939		1247
940	#############################################################################	1248	#############################################################################
941	# object support	1249	# object support
942	#
943		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#
944	sub _can_merge {	1284	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1285	my ($ob1, $ob2) = @_;
946		1286
947	local $Storable::canonical = 1;	1287	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1288
951	$fob1 eq $fob2	1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
952	}	1291	}
953		1292
954	sub reattach {	1293	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1295	my ($obj) = @_;
957		1296
		1297	# no longer needed after getting rid of delete_package?
958	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
959		1299
960	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
961		1301
962	@$registry = ();	1302	@$registry = ();
963		1303
…		…
968	for (@$attach) {	1308	for (@$attach) {
969	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
971	}	1311	}
972	} else {	1312	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1314	}
975	}	1315	}
976	}	1316	}
977		1317
978	cf::attachable->attach (	1318	cf::attachable->attach (
979	prio => -1000000,	1319	prio => -1000000,
980	on_instantiate => sub {	1320	on_instantiate => sub {
981	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
982		1322
983	$data = from_json $data;	1323	$data = decode_json $data;
984		1324
985	for (@$data) {	1325	for (@$data) {
986	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
987		1327
988	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1344	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1006		1346
1007	sync_job {	1347	sync_job {
1008	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1011		1353
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	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	}
1016	close $fh;	1361	aio_close $fh;
1017		1362
1018	if (@$objs) {	1363	if (@$objs) {
1019	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) {
1020	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1023	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	}
1024	close $fh;	1372	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1374	}
1027	} else {	1375	} else {
1028	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1029	}	1377	}
1030		1378
1031	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1383	} else {
1033	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1034	}	1385	}
1035	} else {	1386	} else {
1036	aio_unlink $filename;	1387	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1038	}	1389	}
1039	}	1390	};
1040	}	1391	}
1041		1392
1042	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
1044		1395
…		…
1056	or return;	1407	or return;
1057		1408
1058	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1411	or return;
		1412
1061	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
1062	}	1415	}
1063		1416
		1417	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
1066	return ($data, $av);	1422	($data, $av)
1067	}	1423	}
1068		1424
1069	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
1070		1426
1071	=over 4	1427	=over 4
…		…
1073	=cut	1429	=cut
1074		1430
1075	#############################################################################	1431	#############################################################################
1076	# command handling &c	1432	# command handling &c
1077		1433
1078	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1079		1435
1080	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
1081	$name.	1437	$name.
1082		1438
1083	=cut	1439	=cut
…		…
1089	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1090		1446
1091	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1092	}	1448	}
1093		1449
1094	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1095		1451
1096	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1097	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
1098	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
1099	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
1100	has logged in successfully.	1456	has logged in successfully.
1101		1457
1102	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1103	called.
1104		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
1105	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1106		1466
1107	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1108	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
1109	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
1110	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
1111	log-in.	1471	log-in.
1112		1472
1113	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1114	called.
1115		1474
1116	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1117		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
1118	sub register_extcmd {	1482	sub register_extcmd($$) {
1119	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1120		1484
1121	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1122	}	1486	}
1123		1487
1124	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1125	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1126		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1127	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1128	}	1498	}
1129		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1130	cf::player->attach (	1508	cf::player->attach (
1131	on_command => sub {	1509	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1133		1511
1134	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1135	or return;	1513	or return;
1136		1514
…		…
1144	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1145		1523
1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1147		1525
1148	if (ref $msg) {	1526	if (ref $msg) {
1149	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1150	"ARRAY" eq ref $msg
1151	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1528
1154	my @reply;
1155
1156	if (my $cb = $EXTCMD{$type}) {	1529	if (my $cb = $EXTACMD{$type}) {
		1530	$cb->(
		1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
1157	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1158	}	1547	}
1159		1548
1160	$pl->ext_reply ($reply, @reply)
1161	if $reply;
1162
1163	} else {	1549	} else {
1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1165	}	1551	}
1166		1552
1167	cf::override;	1553	cf::override;
1168	},	1554	},
1169	);	1555	);
1170		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
1171	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1172	cf::sync_job {	1586	cf::sync_job {
1173	my %todo;	1587	my %todo;
1174		1588
1175	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1176	next unless -r $path;	1590	next unless -r $path;
…		…
1194		1608
1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1197		1611
1198	$ext{source} =	1612	$ext{source} =
1199	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1200	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1201	. $source	1615	. $source
1202	. "\n};\n1";	1616	. "\n};\n1";
1203		1617
1204	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1205	}	1619	}
1206		1620
		1621	my $pass = 0;
1207	my %done;	1622	my %done;
1208	while (%todo) {	1623	while (%todo) {
1209	my $progress;	1624	my $progress;
1210		1625
		1626	++$pass;
		1627
		1628	ext:
1211	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1212	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1213	goto skip	1631	next ext
1214	unless exists $done{$_};	1632	unless exists $done{$_};
1215	}	1633	}
1216		1634
1217	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1218		1636
1219	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 $@) {
1220	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1221	: "$v->{base}: extension inactive.\n";
1222		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1223	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1224	warn $msg;	1653
1225	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1226	exit 1;	1655	delete $todo{$k};
1227	}	1656	} else {
1228		1657	$done{$k} = delete $todo{$k};
1229	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1230	}	1663	}
1231
1232	$done{$k} = delete $todo{$k};
1233	push @EXTS, $v->{pkg};
1234	$progress = 1;
1235	}	1664	}
1236		1665
1237	skip:	1666	unless ($progress) {
1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1239	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	}
1240	}	1676	}
1241	};	1677	};
1242	}	1678	}
1243		1679
1244	#############################################################################	1680	#############################################################################
1245		1681
1246	=back	1682	=back
1247		1683
1248	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1249		1685
1250	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1251		1687
1252	=cut	1688	=cut
1253		1689
1254	package cf::player;	1690	package cf::player;
1255		1691
1256	use Coro::AIO;	1692	use Coro::AIO;
1257		1693
1258	=head3 cf::player	1694	=head3 cf::player
1259		1695
1260	=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	}
1261		1711
1262	=item cf::player::find $login	1712	=item cf::player::find $login
1263		1713
1264	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
1265		1715
…		…
1284		1734
1285	sub exists($) {	1735	sub exists($) {
1286	my ($login) = @_;	1736	my ($login) = @_;
1287		1737
1288	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1289	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1290	}	1740	}
1291		1741
1292	sub find($) {	1742	sub find($) {
1293	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1294	my $login = $_[0];	1744	my $login = $_[0];
…		…
1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1305		1755
1306	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
1307	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;
1308	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1309	}	1765	}
1310	}	1766	}
1311	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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	);
1312		1781
1313	sub save($) {	1782	sub save($) {
1314	my ($pl) = @_;	1783	my ($pl) = @_;
1315		1784
1316	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1321	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1322		1791
1323	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1324	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1325		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
1326	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1327	Coro::cede;	1801	cf::cede_to_tick;
1328	}	1802	}
1329		1803
1330	sub new($) {	1804	sub new($) {
1331	my ($login) = @_;	1805	my ($login) = @_;
1332		1806
…		…
1361	my ($pl) = @_;	1835	my ($pl) = @_;
1362		1836
1363	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1364		1838
1365	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1366	$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
1367		1841
1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1369	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1370	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1371	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1372		1850
1373	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1374	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1375	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1410	or return [];	1888	or return [];
1411		1889
1412	my @logins;	1890	my @logins;
1413		1891
1414	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") {
1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1416	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1417	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1418		1902
1419	utf8::decode $login;	1903	utf8::decode $login;
1420	push @logins, $login;	1904	push @logins, $login;
1421	}	1905	}
1422		1906
1423	\@logins	1907	\@logins
1424	}	1908	}
1425		1909
1426	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1427		1913
1428	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1429	player. May block.	1915	player. May block.
1430		1916
1431	=cut	1917	=cut
…		…
1449	}	1935	}
1450		1936
1451	\@paths	1937	\@paths
1452	}	1938	}
1453		1939
1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1455		1941
1456	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1457
1458	=cut
1459
1460	sub expand_cfpod {
1461	((my $self), (local $_)) = @_;
1462
1463	# escape & and <
1464	s/&/&amp;/g;
1465	s/(?<![BIUGH])</&lt;/g;
1466
1467	# this is buggy, it needs to properly take care of nested <'s
1468
1469	1 while
1470	# replace B<>, I<>, U<> etc.
1471	s/B<([^\>]*)>/<b>$1<\/b>/
1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
1474	# replace G<male|female> tags
1475	|| s{G<([^>|]*)\|([^>]*)>}{
1476	$self->gender ? $2 : $1
1477	}ge
1478	# replace H<hint text>
1479	|| s{H<([^\>]*)>}
1480	{
1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483	"")
1484	[$self->{hintmode}]
1485	}ge;
1486
1487	# create single paragraphs (very hackish)
1488	s/(?<=\S)\n(?=\w)/ /g;
1489
1490	# compress some whitespace
1491	s/\s+\n/\n/g; # ws line-ends
1492	s/\n\n+/\n/g; # double lines
1493	s/^\n+//; # beginning lines
1494	s/\n+$//; # ending lines
1495
1496	$_
1497	}
1498
1499	sub hintmode {
1500	$_[0]{hintmode} = $_[1] if @_ > 1;
1501	$_[0]{hintmode}
1502	}
1503
1504	=item $player->ext_reply ($msgid, @msg)
1505
1506	Sends an ext reply to the player.
1507
1508	=cut
1509
1510	sub ext_reply($$@) {
1511	my ($self, $id, @msg) = @_;
1512
1513	$self->ns->ext_reply ($id, @msg)
1514	}
1515		1943
1516	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1517		1945
1518	Sends an ext event to the client.	1946	Sends an ext event to the client.
1519		1947
…		…
1539		1967
1540	=cut	1968	=cut
1541		1969
1542	sub find_by_path($) {	1970	sub find_by_path($) {
1543	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1544		1974
1545	my ($match, $specificity);	1975	my ($match, $specificity);
1546		1976
1547	for my $region (list) {	1977	for my $region (list) {
1548	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1574	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1575	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1576		2006
1577	sub generate_random_map {	2007	sub generate_random_map {
1578	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1579	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1580	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1584	$rmp->{exit_on_final_map},
1585	$rmp->{xsize}, $rmp->{ysize},
1586	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1587	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1588	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1589	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1590	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1591	(cf::region::find $rmp->{region}), $rmp->{custom}
1592	)
1593	}	2013	}
1594		2014
1595	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1596		2016
1597	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
…		…
1602		2022
1603	sub register {	2023	sub register {
1604	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1605	my $pkg = caller;	2025	my $pkg = caller;
1606		2026
1607	no strict;
1608	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1609		2028
1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1611	}	2030	}
1612		2031
1613	# also paths starting with '/'	2032	# also paths starting with '/'
1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1615		2034
1616	sub thawer_merge {	2035	sub thawer_merge {
1617	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1618		2037
1619	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1624	}	2043	}
1625		2044
1626	sub normalise {	2045	sub normalise {
1627	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1628		2047
1629	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1630		2049
1631	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1632		2051
1633	# map plan:	2052	# map plan:
1634	#	2053	#
…		…
1649	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1650	$path = "$base/$path";	2069	$path = "$base/$path";
1651	}	2070	}
1652		2071
1653	for ($path) {	2072	for ($path) {
1654	redo if s{//}{/};
1655	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1656	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1657	}	2075	}
1658		2076
1659	$path	2077	$path
…		…
1673	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1674	return $self;	2092	return $self;
1675	}	2093	}
1676	}	2094	}
1677		2095
1678	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1679	()	2097	()
1680	}	2098	}
1681		2099
		2100	# may re-bless or do other evil things
1682	sub init {	2101	sub init {
1683	my ($self) = @_;	2102	my ($self) = @_;
1684		2103
1685	$self	2104	$self
1686	}	2105	}
…		…
1705		2124
1706	# the temporary/swap location	2125	# the temporary/swap location
1707	sub save_path {	2126	sub save_path {
1708	my ($self) = @_;	2127	my ($self) = @_;
1709		2128
1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1711	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1712	}	2131	}
1713		2132
1714	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1715	sub uniq_path {	2134	sub uniq_path {
1716	my ($self) = @_;	2135	my ($self) = @_;
1717		2136
1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1719	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1720	}
1721
1722	# and all this just because we cannot iterate over
1723	# all maps in C++...
1724	sub change_all_map_light {
1725	my ($change) = @_;
1726
1727	$_->change_map_light ($change)
1728	for grep $_->outdoor, values %cf::MAP;
1729	}	2139	}
1730		2140
1731	sub decay_objects {	2141	sub decay_objects {
1732	my ($self) = @_;	2142	my ($self) = @_;
1733		2143
…		…
1746		2156
1747	sub load_header_from($) {	2157	sub load_header_from($) {
1748	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1749		2159
1750	utf8::encode $path;	2160	utf8::encode $path;
1751	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1752	# or return;
1753
1754	$self->_load_header ($path)
1755	or return;	2162	or return;
1756		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1757	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1758		2171
1759	1	2172	1
1760	}	2173	}
1761		2174
		2175	# used to laod the header of an original map
1762	sub load_header_orig {	2176	sub load_header_orig {
1763	my ($self) = @_;	2177	my ($self) = @_;
1764		2178
1765	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1766	}	2180	}
1767		2181
		2182	# used to laod the header of an instantiated map
1768	sub load_header_temp {	2183	sub load_header_temp {
1769	my ($self) = @_;	2184	my ($self) = @_;
1770		2185
1771	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1772	}	2187	}
1773		2188
		2189	# called after loading the header from an instantiated map
1774	sub prepare_temp {	2190	sub prepare_temp {
1775	my ($self) = @_;	2191	my ($self) = @_;
1776		2192
1777	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1778	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1779	# safety	2195	# safety
1780	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1781	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1782	}	2198	}
1783		2199
		2200	# called after loading the header from an original map
1784	sub prepare_orig {	2201	sub prepare_orig {
1785	my ($self) = @_;	2202	my ($self) = @_;
1786		2203
1787	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1788	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1812		2229
1813	sub find;	2230	sub find;
1814	sub find {	2231	sub find {
1815	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1816		2233
		2234	cf::cede_to_tick;
		2235
1817	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1818		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1819	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1820		2240
1821	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1822	my $guard = cf::lock_acquire "map_find:$path";
1823	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1824	or return;	2243	or return;
1825		2244
1826	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1827		2246
…		…
1829	or return;	2248	or return;
1830		2249
1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1833	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1834	$map->reset;	2255	$map->reset;
1835	undef $guard;
1836	return find $path;	2256	return find $path;
1837	}	2257	}
1838		2258
1839	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1840	}	2260	}
1841	}	2261	}
1842		2262
1843	sub pre_load { }	2263	sub pre_load { }
1844	sub post_load { }	2264	#sub post_load { } # XS
1845		2265
1846	sub load {	2266	sub load {
1847	my ($self) = @_;	2267	my ($self) = @_;
1848		2268
1849	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1850		2270
1851	my $path = $self->{path};	2271	my $path = $self->{path};
1852		2272
1853	{	2273	{
1854	my $guard1 = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1855	my $guard2 = cf::lock_acquire "map_load:$path";
1856		2275
		2276	return unless $self->valid;
1857	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1858
1859	$self->in_memory (cf::MAP_LOADING);
1860		2278
1861	$self->alloc;	2279	$self->alloc;
1862		2280
1863	$self->pre_load;	2281	$self->pre_load;
1864	Coro::cede;	2282	cf::cede_to_tick;
1865		2283
1866	$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)
1867	or return;	2288	or return;
1868		2289
1869	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1870	if delete $self->{load_original};	2291	if delete $self->{load_original};
1871		2292
1872	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1873	utf8::encode $uniq;	2294	utf8::encode $uniq;
1874	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1875	$self->clear_unique_items;	2297	$self->clear_unique_items;
1876	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1877	}	2302	}
1878	}
1879		2303
1880	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;
1881	# now do the right thing for maps	2313	# now do the right thing for maps
1882	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1883	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1884	unless $self->difficulty;	2316	unless $self->difficulty;
1885	Coro::cede;	2317	cf::cede_to_tick;
1886		2318
1887	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1888	$self->decay_objects;	2320	$self->decay_objects;
1889	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1890	$self->update_buttons;	2322	$self->update_buttons;
1891	Coro::cede;	2323	cf::cede_to_tick;
1892	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1893	Coro::cede;
1894	$self->activate;
1895	}	2325	}
1896		2326
1897	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
1898	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
1899
1900	$self->in_memory (cf::MAP_IN_MEMORY);
1901	}	2329	}
1902		2330
1903	$self->post_load;	2331	$self->post_load;
1904	}
1905		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
1906	sub customise_for {	2339	sub customise_for {
1907	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1908		2341
1909	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1910	if $self->per_player;	2343	if $self->per_player;
…		…
1913	# if $self->per_party;	2346	# if $self->per_party;
1914		2347
1915	$self	2348	$self
1916	}	2349	}
1917		2350
1918	# find and load all maps in the 3x3 area around a map
1919	sub load_neighbours {
1920	my ($map) = @_;
1921
1922	my @neigh; # diagonal neighbours
1923
1924	for (0 .. 3) {
1925	my $neigh = $map->tile_path ($_)
1926	or next;
1927	$neigh = find $neigh, $map
1928	or next;
1929	$neigh->load;
1930
1931	push @neigh,
1932	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1933	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1934	}
1935
1936	for (grep defined $_->[0], @neigh) {
1937	my ($path, $origin) = @$_;
1938	my $neigh = find $path, $origin
1939	or next;
1940	$neigh->load;
1941	}
1942	}
1943
1944	sub find_sync {	2351	sub find_sync {
1945	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1946		2353
1947	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
1948	}	2359	}
1949		2360
1950	sub do_load_sync {	2361	sub do_load_sync {
1951	my ($map) = @_;	2362	my ($map) = @_;
1952		2363
		2364	# it's a bug to call this from the main context
1953	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1954	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
1955		2367
1956	cf::sync_job { $map->load };	2368	$map->load;
1957	}	2369	}
1958		2370
1959	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1960	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1961		2373
1962	sub find_async {	2374	sub find_async {
1963	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
1964		2376
1965	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1966		2378
1967	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1968	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1969	}	2381	}
1970		2382
1971	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
1972		2384
1973	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1974	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1975	while (my ($k, $v) = each %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1976	if (my $map = find $k) {	2390	if (my $map = find $k) {
1977	$map->load if $v;	2391	$map->load if $v;
1978	}	2392	}
…		…
1985	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1986		2400
1987	()	2401	()
1988	}	2402	}
1989		2403
		2404	# common code, used by both ->save and ->swapout
1990	sub save {	2405	sub _save {
1991	my ($self) = @_;	2406	my ($self) = @_;
1992
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2407
1995	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1996		2409
1997	return unless $self->dirty;	2410	return unless $self->dirty;
1998		2411
…		…
2004	return if $self->{deny_save};	2417	return if $self->{deny_save};
2005		2418
2006	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
2007		2420
2008	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
2009	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
2010	};	2424	};
		2425
		2426	cf::get_slot 0.02;
2011		2427
2012	if ($uniq) {	2428	if ($uniq) {
2013	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2014	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2015	} else {	2431	} else {
2016	$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);
2017	}	2433	}
2018	}	2434	}
2019		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2020	sub swap_out {	2444	sub swap_out {
2021	my ($self) = @_;	2445	my ($self) = @_;
2022		2446
2023	# save first because save cedes
2024	$self->save;
2025
2026	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2027		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2028	return if $self->players;	2451	return if $self->players;
2029	return if $self->in_memory != cf::MAP_IN_MEMORY;
2030	return if $self->{deny_save};
2031		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
2032	$self->clear;	2462	$self->clear;
2033	$self->in_memory (cf::MAP_SWAPPED);
2034	}	2463	}
2035		2464
2036	sub reset_at {	2465	sub reset_at {
2037	my ($self) = @_;	2466	my ($self) = @_;
2038		2467
…		…
2056		2485
2057	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
2058		2487
2059	return if $self->players;	2488	return if $self->players;
2060		2489
2061	warn "resetting map ", $self->path;	2490	cf::trace "resetting map ", $self->path, "\n";
2062		2491
2063	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
2064		2493
2065	# need to save uniques path	2494	# need to save uniques path
2066	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
2067	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
2068		2497
…		…
2070	if $uniq;	2499	if $uniq;
2071	}	2500	}
2072		2501
2073	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
2074		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
2075	$self->clear;	2506	$self->clear;
2076
2077	$_->clear_links_to ($self) for values %cf::MAP;
2078		2507
2079	$self->unlink_save;	2508	$self->unlink_save;
2080	$self->destroy;	2509	$self->destroy;
2081	}	2510	}
2082		2511
2083	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
2084		2513
2085	sub nuke {	2514	sub nuke {
2086	my ($self) = @_;	2515	my ($self) = @_;
2087		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
2088	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2089		2521
2090	$self->unlink_save;	2522	$self->unlink_save;
2091		2523
2092	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2093	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2094	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2095	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2096	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2097		2529
2098	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
2099		2532
2100	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
2101	}	2534	}
2102		2535
2103	=item $maps = cf::map::tmp_maps	2536	=item $maps = cf::map::tmp_maps
…		…
2145		2578
2146	sub unique_maps() {	2579	sub unique_maps() {
2147	[	2580	[
2148	map {	2581	map {
2149	utf8::decode $_;	2582	utf8::decode $_;
2150	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2151	? normalise $_	2586	: normalise $_
2152	: ()
2153	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2154	]	2588	]
2155	}	2589	}
2156		2590
2157	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	}
2158		2622
2159	=back	2623	=back
2160		2624
2161	=head3 cf::object	2625	=head3 cf::object
2162		2626
…		…
2166		2630
2167	=over 4	2631	=over 4
2168		2632
2169	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2170		2634
2171	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.
2172		2637
2173	=cut	2638	=cut
2174		2639
2175	sub inv_recursive_;	2640	sub inv_recursive_;
2176	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2179		2644
2180	sub inv_recursive {	2645	sub inv_recursive {
2181	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2182	}	2647	}
2183		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
2184	package cf;	2677	package cf;
2185		2678
2186	=back	2679	=back
2187		2680
2188	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
2194	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>
2195	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
2196	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2197		2690
2198	=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	};
2199		2706
2200	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2201	# with dialog boxes.	2708	# with dialog boxes.
2202	#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
2203	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
2215	my $dialog = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2216	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2217		2724
2218	} else {	2725	} else {
2219	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2220	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2221	}	2728	}
2222	}	2729	}
2223	}	2730	}
2224		2731
2225	=item $object->send_msg ($channel, $msg, $color, [extra...])	2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2250		2757
2251	=item $player_object->enter_link	2758	=item $player_object->enter_link
2252		2759
2253	Freezes the player and moves him/her to a special map (C<{link}>).	2760	Freezes the player and moves him/her to a special map (C<{link}>).
2254		2761
2255	The player should be reasonably safe there for short amounts of time. You	2762	The player should be reasonably safe there for short amounts of time (e.g.
2256	I<MUST> call C<leave_link> as soon as possible, though.	2763	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2764	though, as the player cannot control the character while it is on the link
		2765	map.
2257		2766
2258	Will never block.	2767	Will never block.
2259		2768
2260	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2261		2770
…		…
2281	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2282	my ($self) = @_;	2791	my ($self) = @_;
2283		2792
2284	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2285		2794
		2795	++$self->{_link_recursion};
		2796
2286	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2287		2798
2288	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2289	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2290		2801
2291	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2292	}	2803	}
2293		2804
2294	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2295	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2296		2807
…		…
2313	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2314	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2315		2826
2316	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2317	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2318	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2319		2830
2320	$map->load;	2831	$map->load;
2321	$map->load_neighbours;
2322		2832
2323	return unless $self->contr->active;	2833	return unless $self->contr->active;
2324	$self->activate_recursive;
2325		2834
2326	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2327	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2328	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2329		2842
		2843	}
		2844
2330	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2331		2846
2332	Moves the player to the given map-path and coordinates by first freezing	2847	Moves the player to the given map-path and coordinates by first freezing
2333	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2334	that has to return the map if sucecssful, and then unfreezes the player on	2849	that has to return the map if sucecssful, and then unfreezes the player on
2335	the new (success) or old (failed) map position. In either case, $done will	2850	the new (success) or old (failed) map position. In either case, $done will
2336	be called at the end of this process.	2851	be called at the end of this process.
2337		2852
		2853	Note that $check will be called with a potentially non-loaded map, so if
		2854	it needs a loaded map it has to call C<< ->load >>.
		2855
2338	=cut	2856	=cut
2339		2857
2340	our $GOTOGEN;	2858	our $GOTOGEN;
2341		2859
2342	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2343	my ($self, $path, $x, $y, $check, $done) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
2344		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
		2868
2345	# do generation counting so two concurrent goto's will be executed in-order	2869	# do generation counting so two concurrent goto's will be executed in-order
2346	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2347		2871
2348	$self->enter_link;	2872	$self->enter_link;
2349		2873
2350	(async {	2874	(async {
		2875	$Coro::current->{desc} = "player::goto $path $x $y";
		2876
		2877	# *tag paths override both path and x|y
		2878	if ($path =~ /^\*(.*)$/) {
		2879	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2880	my $ob = $obs[rand @obs];
		2881
		2882	# see if we actually can go there
		2883	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2884	$ob = $obs[rand @obs];
		2885	} else {
		2886	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2887	}
		2888	# else put us there anyways for now #d#
		2889
		2890	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2891	} else {
		2892	($path, $x, $y) = (undef, undef, undef);
		2893	}
		2894	}
		2895
2351	my $map = eval {	2896	my $map = eval {
2352	my $map = cf::map::find $path;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2353		2898
2354	if ($map) {	2899	if ($map) {
2355	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2356	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2357	} else {	2902	} else {
2358	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2359	}	2904	}
2360		2905
2361	$map	2906	$map
2362	};	2907	};
2363		2908
…		…
2369	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2370	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2371	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2372	}	2917	}
2373		2918
2374	$done->() if $done;	2919	$done->($self) if $done;
2375	})->prio (1);	2920	})->prio (1);
2376	}	2921	}
2377		2922
2378	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2379		2924
…		…
2399	}	2944	}
2400		2945
2401	sub prepare_random_map {	2946	sub prepare_random_map {
2402	my ($exit) = @_;	2947	my ($exit) = @_;
2403		2948
2404	my $guard = cf::lock_acquire "exit_prepare:$exit";
2405
2406	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
2407	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
2408	# that depends on the exit object	2951	# that depends on the exit object
2409		2952
2410	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2412	if ($exit->map) {	2955	if ($exit->map) {
2413	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2414	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2415	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2416	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2417	}	2962	}
2418		2963
2419	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2420		2965
2421	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2422	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
2423	my $meta = "$RANDOMDIR/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
2424		2969
2425	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2426	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2427	undef $fh;	2972	undef $fh;
2428	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2429		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2430	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2431	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2432	}	2981	}
2433	}	2982	}
2434		2983
2435	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2436	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2437		2986
2438	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2439		2988
2440	if ($exit->slaying eq "/!") {
2441	#TODO: this should de-fi-ni-te-ly not be a sync-job
2442	# the problem is that $exit might not survive long enough
2443	# so it needs to be done right now, right here
2444	cf::sync_job { prepare_random_map $exit };
2445	}
2446
2447	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2448	my $hp = $exit->stats->hp;
2449	my $sp = $exit->stats->sp;
2450
2451	$self->enter_link;	2989	$self->enter_link;
2452		2990
2453	# if exit is damned, update players death & WoR home-position
2454	$self->contr->savebed ($slaying, $hp, $sp)
2455	if $exit->flag (FLAG_DAMNED);
2456
2457	(async {	2991	(async {
2458	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
2459	unless (eval {	2994	unless (eval {
		2995	$self->deactivate_recursive; # just to be sure
		2996
		2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2998	my $x = $exit->stats->hp;
		2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
		3023
2460	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2461		3025
		3026	# if exit is damned, update players death & WoR home-position
		3027	$self->contr->savebed ($map, $x, $y)
		3028	if $exit->flag (cf::FLAG_DAMNED);
		3029
2462	1;	3030	1
2463	}) {	3031	}) {
2464	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2465	. "I'll try to bring you back to the map you were before. "	3033	. "I'll try to bring you back to the map you were before. "
2466	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2467	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2468		3036
2469	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2470	$self->leave_link;	3038	$self->leave_link;
2471	}	3039	}
2472	})->prio (1);	3040	})->prio (1);
2473	}	3041	}
2474		3042
2475	=head3 cf::client	3043	=head3 cf::client
2476		3044
2477	=over 4	3045	=over 4
2478		3046
2479	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2480		3048
2481	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2482	should not be used under normal circumstances.	3050	them as required.
2483		3051
2484	=cut	3052	=cut
2485		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
2486	sub cf::client::send_drawinfo {	3056	sub cf::client::send_big_packet {
2487	my ($self, $text, $flags) = @_;	3057	my ($self, $pkt) = @_;
2488		3058
2489	utf8::encode $text;	3059	# try lzf for large packets
2490	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3060	$pkt = "lzf " . Compress::LZF::compress $pkt
		3061	if 1024 <= length $pkt and $self->{can_lzf};
		3062
		3063	# split very large packets
		3064	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3065	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3066	$pkt = "frag";
		3067	}
		3068
		3069	$self->send_packet ($pkt);
2491	}	3070	}
2492		3071
2493	=item $client->send_msg ($channel, $msg, $color, [extra...])	3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
2494		3073
2495	Send a drawinfo or msg packet to the client, formatting the msg for the	3074	Send a msg packet to the client, formatting the msg for the client if
2496	client if neccessary. C<$type> should be a string identifying the type of	3075	necessary. C<$type> should be a string identifying the type of the
2497	the message, with C<log> being the default. If C<$color> is negative, suppress	3076	message, with C<log> being the default. If C<$color> is negative, suppress
2498	the message unless the client supports the msg packet.	3077	the message unless the client supports the msg packet.
2499		3078
2500	=cut	3079	=cut
		3080
		3081	# non-persistent channels (usually the info channel)
		3082	our %CHANNEL = (
		3083	"c/motd" => {
		3084	id => "infobox",
		3085	title => "MOTD",
		3086	reply => undef,
		3087	tooltip => "The message of the day",
		3088	},
		3089	"c/identify" => {
		3090	id => "infobox",
		3091	title => "Identify",
		3092	reply => undef,
		3093	tooltip => "Items recently identified",
		3094	},
		3095	"c/examine" => {
		3096	id => "infobox",
		3097	title => "Examine",
		3098	reply => undef,
		3099	tooltip => "Signs and other items you examined",
		3100	},
		3101	"c/shopinfo" => {
		3102	id => "infobox",
		3103	title => "Shop Info",
		3104	reply => undef,
		3105	tooltip => "What your bargaining skill tells you about the shop",
		3106	},
		3107	"c/book" => {
		3108	id => "infobox",
		3109	title => "Book",
		3110	reply => undef,
		3111	tooltip => "The contents of a note or book",
		3112	},
		3113	"c/lookat" => {
		3114	id => "infobox",
		3115	title => "Look",
		3116	reply => undef,
		3117	tooltip => "What you saw there",
		3118	},
		3119	"c/who" => {
		3120	id => "infobox",
		3121	title => "Players",
		3122	reply => undef,
		3123	tooltip => "Shows players who are currently online",
		3124	},
		3125	"c/body" => {
		3126	id => "infobox",
		3127	title => "Body Parts",
		3128	reply => undef,
		3129	tooltip => "Shows which body parts you posess and are available",
		3130	},
		3131	"c/statistics" => {
		3132	id => "infobox",
		3133	title => "Statistics",
		3134	reply => undef,
		3135	tooltip => "Shows your primary statistics",
		3136	},
		3137	"c/skills" => {
		3138	id => "infobox",
		3139	title => "Skills",
		3140	reply => undef,
		3141	tooltip => "Shows your experience per skill and item power",
		3142	},
		3143	"c/shopitems" => {
		3144	id => "infobox",
		3145	title => "Shop Items",
		3146	reply => undef,
		3147	tooltip => "Shows the items currently for sale in this shop",
		3148	},
		3149	"c/resistances" => {
		3150	id => "infobox",
		3151	title => "Resistances",
		3152	reply => undef,
		3153	tooltip => "Shows your resistances",
		3154	},
		3155	"c/pets" => {
		3156	id => "infobox",
		3157	title => "Pets",
		3158	reply => undef,
		3159	tooltip => "Shows information abotu your pets/a specific pet",
		3160	},
		3161	"c/perceiveself" => {
		3162	id => "infobox",
		3163	title => "Perceive Self",
		3164	reply => undef,
		3165	tooltip => "You gained detailed knowledge about yourself",
		3166	},
		3167	"c/uptime" => {
		3168	id => "infobox",
		3169	title => "Uptime",
		3170	reply => undef,
		3171	tooltip => "How long the server has been running since last restart",
		3172	},
		3173	"c/mapinfo" => {
		3174	id => "infobox",
		3175	title => "Map Info",
		3176	reply => undef,
		3177	tooltip => "Information related to the maps",
		3178	},
		3179	"c/party" => {
		3180	id => "party",
		3181	title => "Party",
		3182	reply => "gsay ",
		3183	tooltip => "Messages and chat related to your party",
		3184	},
		3185	"c/death" => {
		3186	id => "death",
		3187	title => "Death",
		3188	reply => undef,
		3189	tooltip => "Reason for and more info about your most recent death",
		3190	},
		3191	"c/fatal" => {
		3192	id => "fatal",
		3193	title => "Fatal Error",
		3194	reply => undef,
		3195	tooltip => "Reason for the server disconnect",
		3196	},
		3197	"c/say" => $SAY_CHANNEL,
		3198	"c/chat" => $CHAT_CHANNEL,
		3199	);
2501		3200
2502	sub cf::client::send_msg {	3201	sub cf::client::send_msg {
2503	my ($self, $channel, $msg, $color, @extra) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2504		3203
2505	$msg = $self->pl->expand_cfpod ($msg);	3204	$msg = $self->pl->expand_cfpod ($msg)
		3205	unless $color & cf::NDI_VERBATIM;
2506		3206
2507	$color &= cf::NDI_CLIENT_MASK; # just in case...	3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
2508		3208
		3209	# check predefined channels, for the benefit of C
		3210	if ($CHANNEL{$channel}) {
		3211	$channel = $CHANNEL{$channel};
		3212
		3213	$self->ext_msg (channel_info => $channel);
		3214	$channel = $channel->{id};
		3215
2509	if (ref $channel) {	3216	} elsif (ref $channel) {
2510	# send meta info to client, if not yet sent	3217	# send meta info to client, if not yet sent
2511	unless (exists $self->{channel}{$channel->{id}}) {	3218	unless (exists $self->{channel}{$channel->{id}}) {
2512	$self->{channel}{$channel->{id}} = $channel;	3219	$self->{channel}{$channel->{id}} = $channel;
2513	$self->ext_msg (channel_info => $channel);	3220	$self->ext_msg (channel_info => $channel);
2514	}	3221	}
…		…
2516	$channel = $channel->{id};	3223	$channel = $channel->{id};
2517	}	3224	}
2518		3225
2519	return unless @extra || length $msg;	3226	return unless @extra || length $msg;
2520		3227
2521	if ($self->can_msg) {
2522	# default colour, mask it out	3228	# default colour, mask it out
2523	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2524	if $color & cf::NDI_DEF;	3230	if $color & cf::NDI_DEF;
2525		3231
2526	$self->send_packet ("msg " . $self->{json_coder}->encode (	3232	my $pkt = "msg "
		3233	. $self->{json_coder}->encode (
2527	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2528	} else {	3235	);
2529	if ($color >= 0) {
2530	# replace some tags by gcfclient-compatible ones
2531	for ($msg) {
2532	1 while
2533	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2534	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2535	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2536	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2537	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2538	}
2539		3236
2540	$color &= cf::NDI_COLOR_MASK;	3237	$self->send_big_packet ($pkt);
2541
2542	utf8::encode $msg;
2543
2544	if (0 && $msg =~ /\[/) {
2545	# COMMAND/INFO
2546	$self->send_packet ("drawextinfo $color 10 8 $msg")
2547	} else {
2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2549	$self->send_packet ("drawinfo $color $msg")
2550	}
2551	}
2552	}
2553	}	3238	}
2554		3239
2555	=item $client->ext_msg ($type, @msg)	3240	=item $client->ext_msg ($type, @msg)
2556		3241
2557	Sends an ext event to the client.	3242	Sends an ext event to the client.
…		…
2559	=cut	3244	=cut
2560		3245
2561	sub cf::client::ext_msg($$@) {	3246	sub cf::client::ext_msg($$@) {
2562	my ($self, $type, @msg) = @_;	3247	my ($self, $type, @msg) = @_;
2563		3248
2564	if ($self->extcmd == 2) {
2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2566	} elsif ($self->extcmd == 1) { # TODO: remove
2567	push @msg, msgtype => "event_$type";
2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2569	}
2570	}
2571
2572	=item $client->ext_reply ($msgid, @msg)
2573
2574	Sends an ext reply to the client.
2575
2576	=cut
2577
2578	sub cf::client::ext_reply($$@) {
2579	my ($self, $id, @msg) = @_;
2580
2581	if ($self->extcmd == 2) {
2582	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2583	} elsif ($self->extcmd == 1) {
2584	#TODO: version 1, remove
2585	unshift @msg, msgtype => "reply", msgid => $id;
2586	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2587	}
2588	}	3250	}
2589		3251
2590	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2591		3253
2592	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
…		…
2612		3274
2613	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2614	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
2615		3277
2616	1	3278	1
		3279	}
		3280
		3281	=item $client->update_command_faces
		3282
		3283	=cut
		3284
		3285	our %COMMAND_FACE;
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = grep $_,
		3291	$COMMAND_FACE{preferred},
		3292	$COMMAND_FACE{standard},
		3293	$COMMAND_FACE{skill},
		3294	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3295	$COMMAND_FACE{emote},
		3296	;
		3297
		3298	$self->send_face ($_)
		3299	for @faces;
		3300	$self->flush_fx;
		3301
		3302	$self->ext_msg (command_list => @faces);
		3303	}
		3304
		3305	=item cf::client::set_command_face $type, $commands
		3306
		3307	=cut
		3308
		3309	sub cf::client::set_command_face {
		3310	my ($type, $list) = @_;
		3311
		3312	my $idx = &cf::face::set ( #d# ugly forward reference
		3313	"command_list/$type" => cf::FT_RSRC,
		3314	JSON::XS->new->utf8->encode ([ sort @$list ])
		3315	);
		3316
		3317	$COMMAND_FACE{$type} = $idx;
2617	}	3318	}
2618		3319
2619	cf::client->attach (	3320	cf::client->attach (
2620	on_connect => sub {	3321	on_connect => sub {
2621	my ($ns) = @_;	3322	my ($ns) = @_;
…		…
2647	my ($ns, $buf) = @_;	3348	my ($ns, $buf) = @_;
2648		3349
2649	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3350	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2650		3351
2651	if (ref $msg) {	3352	if (ref $msg) {
2652	my ($type, $reply, @payload) =	3353	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2653	"ARRAY" eq ref $msg
2654	? @$msg
2655	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2656		3354
2657	my @reply;
2658
2659	if (my $cb = $EXTICMD{$type}) {	3355	if (my $cb = $EXTIACMD{$type}) {
		3356	$cb->(
		3357	$ns,
		3358	sub {
		3359	$ns->ext_msg ("reply-$reply", @_)
		3360	if $reply;
		3361	},
		3362	@payload
		3363	);
		3364	} else {
		3365	my @reply;
		3366
		3367	if (my $cb = $EXTICMD{$type}) {
2660	@reply = $cb->($ns, @payload);	3368	@reply = $cb->($ns, @payload);
		3369	}
		3370
		3371	$ns->ext_msg ("reply-$reply", @reply)
		3372	if $reply;
2661	}	3373	}
2662
2663	$ns->ext_reply ($reply, @reply)
2664	if $reply;
2665
2666	} else {	3374	} else {
2667	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3375	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2668	}	3376	}
2669		3377
2670	cf::override;	3378	cf::override;
2671	},	3379	},
2672	);	3380	);
…		…
2692		3400
2693	$coro	3401	$coro
2694	}	3402	}
2695		3403
2696	cf::client->attach (	3404	cf::client->attach (
2697	on_destroy => sub {	3405	on_client_destroy => sub {
2698	my ($ns) = @_;	3406	my ($ns) = @_;
2699		3407
2700	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2701	},	3409	},
2702	);	3410	);
…		…
2718	our $safe_hole = new Safe::Hole;	3426	our $safe_hole = new Safe::Hole;
2719		3427
2720	$SIG{FPE} = 'IGNORE';	3428	$SIG{FPE} = 'IGNORE';
2721		3429
2722	$safe->permit_only (Opcode::opset qw(	3430	$safe->permit_only (Opcode::opset qw(
2723	:base_core :base_mem :base_orig :base_math	3431	:base_core :base_mem :base_orig :base_math :base_loop
2724	grepstart grepwhile mapstart mapwhile	3432	grepstart grepwhile mapstart mapwhile
2725	sort time	3433	sort time
2726	));	3434	));
2727		3435
2728	# here we export the classes and methods available to script code	3436	# here we export the classes and methods available to script code
…		…
2730	=pod	3438	=pod
2731		3439
2732	The following functions and methods are available within a safe environment:	3440	The following functions and methods are available within a safe environment:
2733		3441
2734	cf::object	3442	cf::object
2735	contr pay_amount pay_player map x y force_find force_add	3443	contr pay_amount pay_player map x y force_find force_add destroy
2736	insert remove name archname title slaying race decrease_ob_nr	3444	insert remove name archname title slaying race decrease split
		3445	value
2737		3446
2738	cf::object::player	3447	cf::object::player
2739	player	3448	player
2740		3449
2741	cf::player	3450	cf::player
…		…
2746		3455
2747	=cut	3456	=cut
2748		3457
2749	for (	3458	for (
2750	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3459	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2751	insert remove inv name archname title slaying race	3460	insert remove inv nrof name archname title slaying race
2752	decrease_ob_nr)],	3461	decrease split destroy change_exp value msg lore send_msg)],
2753	["cf::object::player" => qw(player)],	3462	["cf::object::player" => qw(player)],
2754	["cf::player" => qw(peaceful)],	3463	["cf::player" => qw(peaceful send_msg)],
2755	["cf::map" => qw(trigger)],	3464	["cf::map" => qw(trigger)],
2756	) {	3465	) {
2757	no strict 'refs';
2758	my ($pkg, @funs) = @$_;	3466	my ($pkg, @funs) = @$_;
2759	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3467	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2760	for @funs;	3468	for @funs;
2761	}	3469	}
2762		3470
…		…
2777		3485
2778	my $qcode = $code;	3486	my $qcode = $code;
2779	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3487	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2780	$qcode =~ s/\n/\\n/g;	3488	$qcode =~ s/\n/\\n/g;
2781		3489
		3490	%vars = (_dummy => 0) unless %vars;
		3491
		3492	my @res;
2782	local $_;	3493	local $_;
2783	local @safe::cf::_safe_eval_args = values %vars;
2784		3494
2785	my $eval =	3495	my $eval =
2786	"do {\n"	3496	"do {\n"
2787	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3497	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2788	. "#line 0 \"{$qcode}\"\n"	3498	. "#line 0 \"{$qcode}\"\n"
2789	. $code	3499	. $code
2790	. "\n}"	3500	. "\n}"
2791	;	3501	;
2792		3502
		3503	if ($CFG{safe_eval}) {
2793	sub_generation_inc;	3504	sub_generation_inc;
		3505	local @safe::cf::_safe_eval_args = values %vars;
2794	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3506	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2795	sub_generation_inc;	3507	sub_generation_inc;
		3508	} else {
		3509	local @cf::_safe_eval_args = values %vars;
		3510	@res = wantarray ? eval eval : scalar eval $eval;
		3511	}
2796		3512
2797	if ($@) {	3513	if ($@) {
2798	warn "$@";	3514	warn "$@",
2799	warn "while executing safe code '$code'\n";	3515	"while executing safe code '$code'\n",
2800	warn "with arguments " . (join " ", %vars) . "\n";	3516	"with arguments " . (join " ", %vars) . "\n";
2801	}	3517	}
2802		3518
2803	wantarray ? @res : $res[0]	3519	wantarray ? @res : $res[0]
2804	}	3520	}
2805		3521
…		…
2819	=cut	3535	=cut
2820		3536
2821	sub register_script_function {	3537	sub register_script_function {
2822	my ($fun, $cb) = @_;	3538	my ($fun, $cb) = @_;
2823		3539
2824	no strict 'refs';	3540	$fun = "safe::$fun" if $CFG{safe_eval};
2825	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3541	*$fun = $safe_hole->wrap ($cb);
2826	}	3542	}
2827		3543
2828	=back	3544	=back
2829		3545
2830	=cut	3546	=cut
2831		3547
2832	#############################################################################	3548	#############################################################################
2833	# the server's init and main functions	3549	# the server's init and main functions
2834		3550
		3551	{
		3552	package cf::face;
		3553
		3554	our %HASH; # hash => idx
		3555	our @DATA; # dynamically-created facedata, only faceste 0 used
		3556	our @FOFS; # file offset, if > 0
		3557	our @SIZE; # size of face, in octets
		3558	our @META; # meta hash of face, if any
		3559	our $DATAFH; # facedata filehandle
		3560
		3561	# internal api, not finalised
		3562	sub set {
		3563	my ($name, $type, $data) = @_;
		3564
		3565	my $idx = cf::face::find $name;
		3566
		3567	if ($idx) {
		3568	delete $HASH{cf::face::get_csum $idx};
		3569	} else {
		3570	$idx = cf::face::alloc $name;
		3571	}
		3572
		3573	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3574
		3575	cf::face::set_type $idx, $type;
		3576	cf::face::set_csum $idx, 0, $hash;
		3577
		3578	# we need to destroy the SV itself, not just modify it, as a running ix
		3579	# might hold a reference to it: "delete" achieves that.
		3580	delete $FOFS[0][$idx];
		3581	delete $DATA[0][$idx];
		3582	$DATA[0][$idx] = $data;
		3583	$SIZE[0][$idx] = length $data;
		3584	delete $META[$idx];
		3585	$HASH{$hash} = $idx;#d#
		3586
		3587	$idx
		3588	}
		3589
		3590	sub _get_data($$$) {
		3591	my ($idx, $set, $cb) = @_;
		3592
		3593	if (defined $DATA[$set][$idx]) {
		3594	$cb->($DATA[$set][$idx]);
		3595	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3596	my $size = $SIZE[$set][$idx];
		3597	my $buf;
		3598	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3599	if ($_[0] == $size) {
		3600	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3601	$cb->($buf);
		3602	} else {
		3603	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3604	}
		3605	};
		3606	} else {
		3607	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3608	}
		3609	}
		3610
		3611	# rather ineffient
		3612	sub cf::face::get_data($;$) {
		3613	my ($idx, $set) = @_;
		3614
		3615	_get_data $idx, $set, Coro::rouse_cb;
		3616	Coro::rouse_wait
		3617	}
		3618
		3619	sub cf::face::ix {
		3620	my ($ns, $set, $idx, $pri) = @_;
		3621
		3622	_get_data $idx, $set, sub {
		3623	$ns->ix_send ($idx, $pri, $_[0]);
		3624	};
		3625	}
		3626	}
		3627
2835	sub load_facedata($) {	3628	sub load_facedata($) {
2836	my ($path) = @_;	3629	my ($path) = @_;
2837		3630
2838	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3631	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2839		3632
2840	warn "loading facedata from $path\n";	3633	trace "loading facedata from $path\n";
2841		3634
2842	my $facedata;	3635	my $facedata = decode_storable load_file "$path/faceinfo";
2843	0 < aio_load $path, $facedata
2844	or die "$path: $!";
2845
2846	$facedata = Coro::Storable::thaw $facedata;
2847		3636
2848	$facedata->{version} == 2	3637	$facedata->{version} == 2
2849	or cf::cleanup "$path: version mismatch, cannot proceed.";	3638	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
2850		3639
2851	# patch in the exptable	3640	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
2852	$facedata->{resource}{"res/exp_table"} = {	3641	or cf::cleanup "$path/facedata: $!, cannot proceed.";
2853	type => FT_RSRC,	3642
2854	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3643	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
2855	};	3644
2856	cf::cede_to_tick;	3645	# BEGIN ATOMIC
		3646	# from here on, everything must be atomic - no thread switch allowed
		3647	my $t1 = EV::time;
2857		3648
2858	{	3649	{
2859	my $faces = $facedata->{faceinfo};	3650	my $faces = $facedata->{faceinfo};
2860		3651
2861	while (my ($face, $info) = each %$faces) {	3652	for my $face (sort keys %$faces) {
		3653	my $info = $faces->{$face};
2862	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3654	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3655
2863	cf::face::set_visibility $idx, $info->{visibility};	3656	cf::face::set_visibility $idx, $info->{visibility};
2864	cf::face::set_magicmap $idx, $info->{magicmap};	3657	cf::face::set_magicmap $idx, $info->{magicmap};
2865	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3658	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2866	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3659	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
2867		3660	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
2868	cf::cede_to_tick;	3661	$cf::face::HASH{$info->{hash64}} = $idx;
		3662	delete $cf::face::META[$idx];
2869	}	3663	}
2870		3664
2871	while (my ($face, $info) = each %$faces) {	3665	while (my ($face, $info) = each %$faces) {
2872	next unless $info->{smooth};	3666	next unless $info->{smooth};
		3667
2873	my $idx = cf::face::find $face	3668	my $idx = cf::face::find $face
2874	or next;	3669	or next;
		3670
2875	if (my $smooth = cf::face::find $info->{smooth}) {	3671	if (my $smooth = cf::face::find $info->{smooth}) {
2876	cf::face::set_smooth $idx, $smooth;	3672	cf::face::set_smooth $idx, $smooth;
2877	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3673	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2878	} else {	3674	} else {
2879	warn "smooth face '$info->{smooth}' not found for face '$face'";	3675	error "smooth face '$info->{smooth}' not found for face '$face'";
2880	}	3676	}
2881
2882	cf::cede_to_tick;
2883	}	3677	}
2884	}	3678	}
2885		3679
2886	{	3680	{
2887	my $anims = $facedata->{animinfo};	3681	my $anims = $facedata->{animinfo};
2888		3682
2889	while (my ($anim, $info) = each %$anims) {	3683	while (my ($anim, $info) = each %$anims) {
2890	cf::anim::set $anim, $info->{frames}, $info->{facings};	3684	cf::anim::set $anim, $info->{frames}, $info->{facings};
2891	cf::cede_to_tick;
2892	}	3685	}
2893		3686
2894	cf::anim::invalidate_all; # d'oh	3687	cf::anim::invalidate_all; # d'oh
2895	}	3688	}
2896		3689
2897	{	3690	{
2898	# TODO: for gcfclient pleasure, we should give resources
2899	# that gcfclient doesn't grok a >10000 face index.
2900	my $res = $facedata->{resource};	3691	my $res = $facedata->{resource};
2901		3692
2902	my $soundconf = delete $res->{"res/sound.conf"};
2903
2904	while (my ($name, $info) = each %$res) {	3693	while (my ($name, $info) = each %$res) {
		3694	if (defined (my $type = $info->{type})) {
		3695	# TODO: different hash - must free and use new index, or cache ixface data queue
2905	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3696	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2906	my $data;
2907		3697
2908	if ($info->{type} & 1) {	3698	cf::face::set_type $idx, $type;
2909	# prepend meta info	3699	cf::face::set_csum $idx, 0, $info->{hash};
2910		3700	$cf::face::SIZE[0][$idx] = $info->{size};
2911	my $meta = $enc->encode ({	3701	$cf::face::FOFS[0][$idx] = $info->{fofs};
2912	name => $name,	3702	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
2913	%{ $info->{meta} || {} },	3703	$cf::face::HASH{$info->{hash}} = $idx;
2914	});
2915
2916	$data = pack "(w/a*)*", $meta, $info->{data};
2917	} else {	3704	} else {
2918	$data = $info->{data};	3705	# $RESOURCE{$name} = $info; # unused
2919	}	3706	}
2920
2921	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2922	cf::face::set_type $idx, $info->{type};
2923
2924	cf::cede_to_tick;
2925	}
2926
2927	if ($soundconf) {
2928	$soundconf = $enc->decode (delete $soundconf->{data});
2929
2930	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2931	my $sound = $soundconf->{compat}[$_]
2932	or next;
2933
2934	my $face = cf::face::find "sound/$sound->[1]";
2935	cf::sound::set $sound->[0] => $face;
2936	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2937	}	3707	}
2938
2939	while (my ($k, $v) = each %{$soundconf->{event}}) {
2940	my $face = cf::face::find "sound/$v";
2941	cf::sound::set $k => $face;
2942	}
2943	}
2944	}	3708	}
		3709
		3710	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3711
		3712	# HACK to clear player env face cache, we need some signal framework
		3713	# for this (global event?)
		3714	%ext::player_env::MUSIC_FACE_CACHE = ();
		3715
		3716	# END ATOMIC
		3717
		3718	cf::debug "facedata atomic update time ", EV::time - $t1;
		3719
		3720	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3721
		3722	aio_close $fh if $fh; # close old facedata
2945		3723
2946	1	3724	1
2947	}	3725	}
2948		3726
2949	register_exticmd fx_want => sub {	3727	register_exticmd fx_want => sub {
…		…
2952	while (my ($k, $v) = each %$want) {	3730	while (my ($k, $v) = each %$want) {
2953	$ns->fx_want ($k, $v);	3731	$ns->fx_want ($k, $v);
2954	}	3732	}
2955	};	3733	};
2956		3734
		3735	sub load_resource_file($) {
		3736	my $guard = lock_acquire "load_resource_file";
		3737
		3738	my $status = load_resource_file_ $_[0];
		3739	get_slot 0.1, 100;
		3740	cf::arch::commit_load;
		3741
		3742	$status
		3743	}
		3744
		3745	sub reload_exp_table {
		3746	_reload_exp_table;
		3747
		3748	cf::face::set
		3749	"res/exp_table" => FT_RSRC,
		3750	JSON::XS->new->utf8->canonical->encode (
		3751	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3752	);
		3753	}
		3754
		3755	sub reload_materials {
		3756	_reload_materials;
		3757	}
		3758
2957	sub reload_regions {	3759	sub reload_regions {
		3760	# HACK to clear player env face cache, we need some signal framework
		3761	# for this (global event?)
		3762	%ext::player_env::MUSIC_FACE_CACHE = ();
		3763
2958	load_resource_file "$MAPDIR/regions"	3764	load_resource_file "$MAPDIR/regions"
2959	or die "unable to load regions file\n";	3765	or die "unable to load regions file\n";
2960		3766
2961	for (cf::region::list) {	3767	for (cf::region::list) {
2962	$_->{match} = qr/$_->{match}/	3768	$_->{match} = qr/$_->{match}/
2963	if exists $_->{match};	3769	if exists $_->{match};
2964	}	3770	}
2965	}	3771	}
2966		3772
2967	sub reload_facedata {	3773	sub reload_facedata {
2968	load_facedata "$DATADIR/facedata"	3774	load_facedata $DATADIR
2969	or die "unable to load facedata\n";	3775	or die "unable to load facedata\n";
2970	}	3776	}
2971		3777
2972	sub reload_archetypes {	3778	sub reload_archetypes {
2973	load_resource_file "$DATADIR/archetypes"	3779	load_resource_file "$DATADIR/archetypes"
2974	or die "unable to load archetypes\n";	3780	or die "unable to load archetypes\n";
2975	#d# NEED to laod twice to resolve forward references	3781
2976	# this really needs to be done in an extra post-pass	3782	cf::face::set
2977	# (which needs to be synchronous, so solve it differently)	3783	"res/skill_info" => FT_RSRC,
2978	load_resource_file "$DATADIR/archetypes"	3784	JSON::XS->new->utf8->canonical->encode (
2979	or die "unable to load archetypes\n";	3785	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3786	);
		3787
		3788	cf::face::set
		3789	"res/spell_paths" => FT_RSRC,
		3790	JSON::XS->new->utf8->canonical->encode (
		3791	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3792	);
		3793
		3794	# command completion
		3795	my @commands;
		3796
		3797	for (0..cf::arch::skillvec_size - 1) {
		3798	my $skill = cf::arch::skillvec $_;
		3799	my $name = $skill->name;
		3800	my $flags = cf::skill_flags $skill->subtype;
		3801
		3802	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3803	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3804	}
		3805
		3806	cf::client::set_command_face skill => \@commands;
2980	}	3807	}
2981		3808
2982	sub reload_treasures {	3809	sub reload_treasures {
2983	load_resource_file "$DATADIR/treasures"	3810	load_resource_file "$DATADIR/treasures"
2984	or die "unable to load treasurelists\n";	3811	or die "unable to load treasurelists\n";
2985	}	3812	}
2986		3813
		3814	sub reload_sound {
		3815	trace "loading sound config from $DATADIR/sound\n";
		3816
		3817	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3818
		3819	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3820	my $sound = $soundconf->{compat}[$_]
		3821	or next;
		3822
		3823	my $face = cf::face::find "sound/$sound->[1]";
		3824	cf::sound::set $sound->[0] => $face;
		3825	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3826	}
		3827
		3828	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3829	my $face = cf::face::find "sound/$v";
		3830	cf::sound::set $k => $face;
		3831	}
		3832	}
		3833
2987	sub reload_resources {	3834	sub reload_resources {
2988	warn "reloading resource files...\n";	3835	trace "reloading resource files...\n";
2989		3836
		3837	reload_materials;
		3838	reload_facedata;
		3839	reload_exp_table;
		3840	reload_sound;
		3841	reload_archetypes;
2990	reload_regions;	3842	reload_regions;
2991	reload_facedata;
2992	#reload_archetypes;#d#
2993	reload_archetypes;
2994	reload_treasures;	3843	reload_treasures;
2995		3844
2996	warn "finished reloading resource files\n";	3845	trace "finished reloading resource files\n";
2997	}
2998
2999	sub init {
3000	reload_resources;
3001	}	3846	}
3002		3847
3003	sub reload_config {	3848	sub reload_config {
3004	open my $fh, "<:utf8", "$CONFDIR/config"	3849	trace "reloading config file...\n";
3005	or return;
3006		3850
3007	local $/;	3851	my $config = load_file "$CONFDIR/config";
3008	*CFG = YAML::Syck::Load <$fh>;	3852	utf8::decode $config;
		3853	*CFG = decode_yaml $config;
3009		3854
3010	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3855	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3011		3856
3012	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3857	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3013	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3858	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3014		3859
3015	if (exists $CFG{mlockall}) {	3860	if (exists $CFG{mlockall}) {
…		…
3019	};	3864	};
3020	warn $@ if $@;	3865	warn $@ if $@;
3021	}	3866	}
3022	}	3867	}
3023		3868
		3869	sub pidfile() {
		3870	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3871	or die "$PIDFILE: $!";
		3872	flock $fh, &Fcntl::LOCK_EX
		3873	or die "$PIDFILE: flock: $!";
		3874	$fh
		3875	}
		3876
		3877	# make sure only one server instance is running at any one time
		3878	sub atomic {
		3879	my $fh = pidfile;
		3880
		3881	my $pid = <$fh>;
		3882	kill 9, $pid if $pid > 0;
		3883
		3884	seek $fh, 0, 0;
		3885	print $fh $$;
		3886	}
		3887
		3888	sub main_loop {
		3889	trace "EV::loop starting\n";
		3890	if (1) {
		3891	EV::loop;
		3892	}
		3893	trace "EV::loop returned\n";
		3894	goto &main_loop unless $REALLY_UNLOOP;
		3895	}
		3896
3024	sub main {	3897	sub main {
		3898	cf::init_globals; # initialise logging
		3899
		3900	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3901	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3902	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3903	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3904
		3905	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3906
3025	# we must not ever block the main coroutine	3907	# we must not ever block the main coroutine
3026	local $Coro::idle = sub {	3908	$Coro::idle = sub {
3027	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3909	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3028	(async {	3910	(async {
3029	Event::one_event;	3911	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3912	EV::loop EV::LOOP_ONESHOT;
3030	})->prio (Coro::PRIO_MAX);	3913	})->prio (Coro::PRIO_MAX);
3031	};	3914	};
3032		3915
		3916	evthread_start IO::AIO::poll_fileno;
		3917
		3918	cf::sync_job {
		3919	cf::incloader::init ();
		3920
		3921	db_init;
		3922
		3923	cf::init_anim;
		3924	cf::init_attackmess;
		3925	cf::init_dynamic;
		3926
		3927	cf::load_settings;
		3928
		3929	reload_resources;
3033	reload_config;	3930	reload_config;
3034	db_init;	3931
		3932	cf::init_uuid;
		3933	cf::init_signals;
		3934	cf::init_skills;
		3935
		3936	cf::init_beforeplay;
		3937
		3938	atomic;
		3939
3035	load_extensions;	3940	load_extensions;
3036		3941
3037	$TICK_WATCHER->start;	3942	utime time, time, $RUNTIMEFILE;
3038	Event::loop;	3943
		3944	# no (long-running) fork's whatsoever before this point(!)
		3945	use POSIX ();
		3946	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3947
		3948	cf::_post_init 0;
		3949	};
		3950
		3951	cf::object::thawer::errors_are_fatal 0;
		3952	info "parse errors in files are no longer fatal from this point on.\n";
		3953
		3954	AE::postpone {
		3955	undef &main; # free gobs of memory :)
		3956	};
		3957
		3958	goto &main_loop;
3039	}	3959	}
3040		3960
3041	#############################################################################	3961	#############################################################################
3042	# initialisation and cleanup	3962	# initialisation and cleanup
3043		3963
3044	# install some emergency cleanup handlers	3964	# install some emergency cleanup handlers
3045	BEGIN {	3965	BEGIN {
		3966	our %SIGWATCHER = ();
3046	for my $signal (qw(INT HUP TERM)) {	3967	for my $signal (qw(INT HUP TERM)) {
3047	Event->signal (	3968	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3048	reentrant => 0,
3049	data => WF_AUTOCANCEL,
3050	signal => $signal,
3051	prio => 0,
3052	cb => sub {
3053	cf::cleanup "SIG$signal";	3969	cf::cleanup "SIG$signal";
3054	},
3055	);	3970	};
3056	}	3971	}
3057	}	3972	}
3058		3973
3059	sub write_runtime {	3974	sub write_runtime_sync {
3060	my $runtime = "$LOCALDIR/runtime";	3975	my $t0 = AE::time;
3061		3976
3062	# first touch the runtime file to show we are still running:	3977	# first touch the runtime file to show we are still running:
3063	# the fsync below can take a very very long time.	3978	# the fsync below can take a very very long time.
3064		3979
3065	IO::AIO::aio_utime $runtime, undef, undef;	3980	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3066		3981
3067	my $guard = cf::lock_acquire "write_runtime";	3982	my $guard = cf::lock_acquire "write_runtime";
3068		3983
3069	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3984	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3070	or return;	3985	or return;
3071		3986
3072	my $value = $cf::RUNTIME + 90 + 10;	3987	my $value = $cf::RUNTIME + 90 + 10;
3073	# 10 is the runtime save interval, for a monotonic clock	3988	# 10 is the runtime save interval, for a monotonic clock
3074	# 60 allows for the watchdog to kill the server.	3989	# 60 allows for the watchdog to kill the server.
…		…
3084	aio_utime $fh, undef, undef;	3999	aio_utime $fh, undef, undef;
3085		4000
3086	close $fh	4001	close $fh
3087	or return;	4002	or return;
3088		4003
3089	aio_rename "$runtime~", $runtime	4004	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3090	and return;	4005	and return;
3091		4006
3092	warn "runtime file written.\n";	4007	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3093		4008
3094	1	4009	1
		4010	}
		4011
		4012	our $uuid_lock;
		4013	our $uuid_skip;
		4014
		4015	sub write_uuid_sync($) {
		4016	$uuid_skip ||= $_[0];
		4017
		4018	return if $uuid_lock;
		4019	local $uuid_lock = 1;
		4020
		4021	my $uuid = "$LOCALDIR/uuid";
		4022
		4023	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4024	or return;
		4025
		4026	my $value = uuid_seq uuid_cur;
		4027
		4028	unless ($value) {
		4029	info "cowardly refusing to write zero uuid value!\n";
		4030	return;
		4031	}
		4032
		4033	my $value = uuid_str $value + $uuid_skip;
		4034	$uuid_skip = 0;
		4035
		4036	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4037	and return;
		4038
		4039	# always fsync - this file is important
		4040	aio_fsync $fh
		4041	and return;
		4042
		4043	close $fh
		4044	or return;
		4045
		4046	aio_rename "$uuid~", $uuid
		4047	and return;
		4048
		4049	trace "uuid file written ($value).\n";
		4050
		4051	1
		4052
		4053	}
		4054
		4055	sub write_uuid($$) {
		4056	my ($skip, $sync) = @_;
		4057
		4058	$sync ? write_uuid_sync $skip
		4059	: async { write_uuid_sync $skip };
3095	}	4060	}
3096		4061
3097	sub emergency_save() {	4062	sub emergency_save() {
3098	my $freeze_guard = cf::freeze_mainloop;	4063	my $freeze_guard = cf::freeze_mainloop;
3099		4064
3100	warn "enter emergency perl save\n";	4065	info "emergency_perl_save: enter\n";
		4066
		4067	# this is a trade-off: we want to be very quick here, so
		4068	# save all maps without fsync, and later call a global sync
		4069	# (which in turn might be very very slow)
		4070	local $USE_FSYNC = 0;
3101		4071
3102	cf::sync_job {	4072	cf::sync_job {
		4073	cf::write_runtime_sync; # external watchdog should not bark
		4074
3103	# use a peculiar iteration method to avoid tripping on perl	4075	# use a peculiar iteration method to avoid tripping on perl
3104	# refcount bugs in for. also avoids problems with players	4076	# refcount bugs in for. also avoids problems with players
3105	# and maps saved/destroyed asynchronously.	4077	# and maps saved/destroyed asynchronously.
3106	warn "begin emergency player save\n";	4078	info "emergency_perl_save: begin player save\n";
3107	for my $login (keys %cf::PLAYER) {	4079	for my $login (keys %cf::PLAYER) {
3108	my $pl = $cf::PLAYER{$login} or next;	4080	my $pl = $cf::PLAYER{$login} or next;
3109	$pl->valid or next;	4081	$pl->valid or next;
		4082	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3110	$pl->save;	4083	$pl->save;
3111	}	4084	}
3112	warn "end emergency player save\n";	4085	info "emergency_perl_save: end player save\n";
3113		4086
3114	warn "begin emergency map save\n";	4087	cf::write_runtime_sync; # external watchdog should not bark
		4088
		4089	info "emergency_perl_save: begin map save\n";
3115	for my $path (keys %cf::MAP) {	4090	for my $path (keys %cf::MAP) {
3116	my $map = $cf::MAP{$path} or next;	4091	my $map = $cf::MAP{$path} or next;
3117	$map->valid or next;	4092	$map->valid or next;
3118	$map->save;	4093	$map->save;
3119	}	4094	}
3120	warn "end emergency map save\n";	4095	info "emergency_perl_save: end map save\n";
3121		4096
3122	warn "begin emergency database checkpoint\n";	4097	cf::write_runtime_sync; # external watchdog should not bark
		4098
		4099	info "emergency_perl_save: begin database checkpoint\n";
3123	BDB::db_env_txn_checkpoint $DB_ENV;	4100	BDB::db_env_txn_checkpoint $DB_ENV;
3124	warn "end emergency database checkpoint\n";	4101	info "emergency_perl_save: end database checkpoint\n";
		4102
		4103	info "emergency_perl_save: begin write uuid\n";
		4104	write_uuid_sync 1;
		4105	info "emergency_perl_save: end write uuid\n";
		4106
		4107	cf::write_runtime_sync; # external watchdog should not bark
		4108
		4109	trace "emergency_perl_save: syncing database to disk";
		4110	BDB::db_env_txn_checkpoint $DB_ENV;
		4111
		4112	info "emergency_perl_save: starting sync\n";
		4113	IO::AIO::aio_sync sub {
		4114	info "emergency_perl_save: finished sync\n";
		4115	};
		4116
		4117	cf::write_runtime_sync; # external watchdog should not bark
		4118
		4119	trace "emergency_perl_save: flushing outstanding aio requests";
		4120	while (IO::AIO::nreqs || BDB::nreqs) {
		4121	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4122	}
		4123
		4124	cf::write_runtime_sync; # external watchdog should not bark
3125	};	4125	};
3126		4126
3127	warn "leave emergency perl save\n";	4127	info "emergency_perl_save: leave\n";
3128	}	4128	}
3129		4129
3130	sub post_cleanup {	4130	sub post_cleanup {
3131	my ($make_core) = @_;	4131	my ($make_core) = @_;
3132		4132
		4133	IO::AIO::flush;
		4134
3133	warn Carp::longmess "post_cleanup backtrace"	4135	error Carp::longmess "post_cleanup backtrace"
3134	if $make_core;	4136	if $make_core;
		4137
		4138	my $fh = pidfile;
		4139	unlink $PIDFILE if <$fh> == $$;
		4140	}
		4141
		4142	# a safer delete_package, copied from Symbol
		4143	sub clear_package($) {
		4144	my $pkg = shift;
		4145
		4146	# expand to full symbol table name if needed
		4147	unless ($pkg =~ /^main::.*::$/) {
		4148	$pkg = "main$pkg" if $pkg =~ /^::/;
		4149	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4150	$pkg .= '::' unless $pkg =~ /::$/;
		4151	}
		4152
		4153	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4154	my $stem_symtab = *{$stem}{HASH};
		4155
		4156	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4157	or return;
		4158
		4159	# clear all symbols
		4160	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4161	for my $name (keys %$leaf_symtab) {
		4162	_gv_clear *{"$pkg$name"};
		4163	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4164	}
3135	}	4165	}
3136		4166
3137	sub do_reload_perl() {	4167	sub do_reload_perl() {
3138	# can/must only be called in main	4168	# can/must only be called in main
3139	if ($Coro::current != $Coro::main) {	4169	unless (in_main) {
3140	warn "can only reload from main coroutine";	4170	error "can only reload from main coroutine";
3141	return;	4171	return;
3142	}	4172	}
3143		4173
3144	warn "reloading...";	4174	return if $RELOAD++;
3145		4175
3146	warn "entering sync_job";	4176	my $t1 = AE::time;
3147		4177
		4178	while ($RELOAD) {
		4179	cf::get_slot 0.1, -1, "reload_perl";
		4180	info "perl_reload: reloading...";
		4181
		4182	trace "perl_reload: entering sync_job";
		4183
3148	cf::sync_job {	4184	cf::sync_job {
3149	cf::write_runtime; # external watchdog should not bark
3150	cf::emergency_save;	4185	#cf::emergency_save;
3151	cf::write_runtime; # external watchdog should not bark
3152		4186
3153	warn "syncing database to disk";
3154	BDB::db_env_txn_checkpoint $DB_ENV;
3155
3156	# if anything goes wrong in here, we should simply crash as we already saved
3157
3158	warn "cancelling all WF_AUTOCANCEL watchers";
3159	for (Event::all_watchers) {
3160	$_->cancel if $_->data & WF_AUTOCANCEL;
3161	}
3162
3163	warn "flushing outstanding aio requests";
3164	for (;;) {
3165	BDB::flush;
3166	IO::AIO::flush;
3167	Coro::cede;
3168	last unless IO::AIO::nreqs || BDB::nreqs;
3169	warn "iterate...";
3170	}
3171
3172	++$RELOAD;
3173
3174	warn "cancelling all extension coros";	4187	trace "perl_reload: cancelling all extension coros";
3175	$_->cancel for values %EXT_CORO;	4188	$_->cancel for values %EXT_CORO;
3176	%EXT_CORO = ();	4189	%EXT_CORO = ();
3177		4190
3178	warn "removing commands";	4191	trace "perl_reload: removing commands";
3179	%COMMAND = ();	4192	%COMMAND = ();
3180		4193
3181	warn "removing ext/exti commands";	4194	trace "perl_reload: removing ext/exti commands";
3182	%EXTCMD = ();	4195	%EXTCMD = ();
3183	%EXTICMD = ();	4196	%EXTICMD = ();
3184		4197
3185	warn "unloading/nuking all extensions";	4198	trace "perl_reload: unloading/nuking all extensions";
3186	for my $pkg (@EXTS) {	4199	for my $pkg (@EXTS) {
3187	warn "... unloading $pkg";	4200	trace "... unloading $pkg";
3188		4201
3189	if (my $cb = $pkg->can ("unload")) {	4202	if (my $cb = $pkg->can ("unload")) {
3190	eval {	4203	eval {
3191	$cb->($pkg);	4204	$cb->($pkg);
3192	1	4205	1
3193	} or warn "$pkg unloaded, but with errors: $@";	4206	} or error "$pkg unloaded, but with errors: $@";
		4207	}
		4208
		4209	trace "... clearing $pkg";
		4210	clear_package $pkg;
3194	}	4211	}
3195		4212
3196	warn "... nuking $pkg";
3197	Symbol::delete_package $pkg;
3198	}
3199
3200	warn "unloading all perl modules loaded from $LIBDIR";	4213	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3201	while (my ($k, $v) = each %INC) {	4214	while (my ($k, $v) = each %INC) {
3202	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4215	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3203		4216
3204	warn "... unloading $k";	4217	trace "... unloading $k";
3205	delete $INC{$k};	4218	delete $INC{$k};
3206		4219
3207	$k =~ s/\.pm$//;	4220	$k =~ s/\.pm$//;
3208	$k =~ s/\//::/g;	4221	$k =~ s/\//::/g;
3209		4222
3210	if (my $cb = $k->can ("unload_module")) {	4223	if (my $cb = $k->can ("unload_module")) {
3211	$cb->();	4224	$cb->();
		4225	}
		4226
		4227	clear_package $k;
3212	}	4228	}
3213		4229
3214	Symbol::delete_package $k;
3215	}
3216
3217	warn "getting rid of safe::, as good as possible";	4230	trace "perl_reload: getting rid of safe::, as good as possible";
3218	Symbol::delete_package "safe::$_"	4231	clear_package "safe::$_"
3219	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4232	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3220		4233
3221	warn "unloading cf.pm \"a bit\"";	4234	trace "perl_reload: unloading cf.pm \"a bit\"";
3222	delete $INC{"cf.pm"};	4235	delete $INC{"cf.pm"};
3223	delete $INC{"cf/pod.pm"};	4236	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3224		4237
3225	# don't, removes xs symbols, too,	4238	# don't, removes xs symbols, too,
3226	# and global variables created in xs	4239	# and global variables created in xs
3227	#Symbol::delete_package __PACKAGE__;	4240	#clear_package __PACKAGE__;
3228		4241
3229	warn "unload completed, starting to reload now";	4242	info "perl_reload: unload completed, starting to reload now";
3230		4243
3231	warn "reloading cf.pm";	4244	trace "perl_reload: reloading cf.pm";
3232	require cf;	4245	require cf;
3233	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4246	cf::_connect_to_perl_1;
3234		4247
3235	warn "loading config and database again";	4248	trace "perl_reload: loading config and database again";
3236	cf::reload_config;	4249	cf::reload_config;
3237		4250
3238	warn "loading extensions";	4251	trace "perl_reload: loading extensions";
3239	cf::load_extensions;	4252	cf::load_extensions;
3240		4253
		4254	if ($REATTACH_ON_RELOAD) {
3241	warn "reattaching attachments to objects/players";	4255	trace "perl_reload: reattaching attachments to objects/players";
3242	_global_reattach; # objects, sockets	4256	_global_reattach; # objects, sockets
3243	warn "reattaching attachments to maps";	4257	trace "perl_reload: reattaching attachments to maps";
3244	reattach $_ for values %MAP;	4258	reattach $_ for values %MAP;
3245	warn "reattaching attachments to players";	4259	trace "perl_reload: reattaching attachments to players";
3246	reattach $_ for values %PLAYER;	4260	reattach $_ for values %PLAYER;
		4261	}
3247		4262
3248	warn "leaving sync_job";	4263	cf::_post_init 1;
3249		4264
		4265	trace "perl_reload: leaving sync_job";
		4266
3250	1	4267	1
3251	} or do {	4268	} or do {
3252	warn $@;	4269	error $@;
3253	warn "error while reloading, exiting.";	4270	cf::cleanup "perl_reload: error, exiting.";
3254	exit 1;	4271	};
		4272
		4273	--$RELOAD;
3255	};	4274	}
3256		4275
3257	warn "reloaded";	4276	$t1 = AE::time - $t1;
		4277	info "perl_reload: completed in ${t1}s\n";
3258	};	4278	};
3259		4279
3260	our $RELOAD_WATCHER; # used only during reload	4280	our $RELOAD_WATCHER; # used only during reload
3261		4281
3262	sub reload_perl() {	4282	sub reload_perl() {
3263	# doing reload synchronously and two reloads happen back-to-back,	4283	# doing reload synchronously and two reloads happen back-to-back,
3264	# coro crashes during coro_state_free->destroy here.	4284	# coro crashes during coro_state_free->destroy here.
3265		4285
3266	$RELOAD_WATCHER ||= Event->timer (	4286	$RELOAD_WATCHER ||= cf::async {
3267	reentrant => 0,	4287	Coro::AIO::aio_wait cache_extensions;
3268	after => 0,	4288
3269	data => WF_AUTOCANCEL,	4289	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3270	cb => sub {
3271	do_reload_perl;	4290	do_reload_perl;
3272	undef $RELOAD_WATCHER;	4291	undef $RELOAD_WATCHER;
3273	},	4292	};
3274	);	4293	};
3275	}	4294	}
3276		4295
3277	register_command "reload" => sub {	4296	register_command "reload" => sub {
3278	my ($who, $arg) = @_;	4297	my ($who, $arg) = @_;
3279		4298
3280	if ($who->flag (FLAG_WIZ)) {	4299	if ($who->flag (FLAG_WIZ)) {
3281	$who->message ("reloading server.");	4300	$who->message ("reloading server.");
		4301	async {
		4302	$Coro::current->{desc} = "perl_reload";
3282	async { reload_perl };	4303	reload_perl;
		4304	};
3283	}	4305	}
3284	};	4306	};
3285		4307
3286	unshift @INC, $LIBDIR;	4308	#############################################################################
3287		4309
3288	my $bug_warning = 0;	4310	my $bug_warning = 0;
3289		4311
3290	our @WAIT_FOR_TICK;
3291	our @WAIT_FOR_TICK_BEGIN;
3292
3293	sub wait_for_tick {	4312	sub wait_for_tick() {
3294	return unless $TICK_WATCHER->is_active;	4313	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3295	return if $Coro::current == $Coro::main;
3296		4314
3297	my $signal = new Coro::Signal;	4315	$WAIT_FOR_TICK->wait;
3298	push @WAIT_FOR_TICK, $signal;
3299	$signal->wait;
3300	}	4316	}
3301		4317
3302	sub wait_for_tick_begin {	4318	sub wait_for_tick_begin() {
3303	return unless $TICK_WATCHER->is_active;	4319	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3304	return if $Coro::current == $Coro::main;
3305		4320
3306	my $signal = new Coro::Signal;	4321	my $signal = new Coro::Signal;
3307	push @WAIT_FOR_TICK_BEGIN, $signal;	4322	push @WAIT_FOR_TICK_BEGIN, $signal;
3308	$signal->wait;	4323	$signal->wait;
3309	}	4324	}
3310		4325
3311	my $min = 1e6;#d#	4326	sub tick {
3312	my $avg = 10;
3313	$TICK_WATCHER = Event->timer (
3314	reentrant => 0,
3315	parked => 1,
3316	prio => 0,
3317	at => $NEXT_TICK || $TICK,
3318	data => WF_AUTOCANCEL,
3319	cb => sub {
3320	if ($Coro::current != $Coro::main) {	4327	if ($Coro::current != $Coro::main) {
3321	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4328	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3322	unless ++$bug_warning > 10;	4329	unless ++$bug_warning > 10;
3323	return;	4330	return;
3324	}	4331	}
3325		4332
3326	$NOW = $tick_start = Event::time;	4333	cf::one_tick; # one server iteration
3327		4334
3328	cf::server_tick; # one server iteration	4335	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3329		4336
3330	0 && sync_job {#d#	4337	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3331	for(1..10) {	4338	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3332	my $t = Event::time;	4339	Coro::async_pool {
3333	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4340	$Coro::current->{desc} = "runtime saver";
3334	or die;	4341	write_runtime_sync
3335		4342	or error "ERROR: unable to write runtime file: $!";
3336	$map->width (50);
3337	$map->height (50);
3338	$map->alloc;
3339	$map->_load_objects ("/tmp/x.map", 1);
3340	my $t = Event::time - $t;
3341
3342	#next unless $t < 0.0013;#d#
3343	if ($t < $min) {
3344	$min = $t;
3345	}
3346	$avg = $avg * 0.99 + $t * 0.01;
3347	}
3348	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3349	exit 0;
3350	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3351	};	4343	};
		4344	}
3352		4345
3353	$RUNTIME += $TICK;
3354	$NEXT_TICK += $TICK;
3355
3356	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3357	$NEXT_RUNTIME_WRITE = $NOW + 10;
3358	Coro::async_pool {
3359	write_runtime
3360	or warn "ERROR: unable to write runtime file: $!";
3361	};
3362	}
3363
3364	# my $AFTER = Event::time;
3365	# warn $AFTER - $NOW;#d#
3366
3367	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4346	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3368	$sig->send;	4347	$sig->send;
3369	}	4348	}
3370	while (my $sig = shift @WAIT_FOR_TICK) {	4349	$WAIT_FOR_TICK->broadcast;
3371	$sig->send;
3372	}
3373		4350
3374	$NOW = Event::time;	4351	$LOAD = ($NOW - $TICK_START) / $TICK;
3375
3376	# if we are delayed by four ticks or more, skip them all
3377	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3378
3379	$TICK_WATCHER->at ($NEXT_TICK);
3380	$TICK_WATCHER->start;
3381
3382	$LOAD = ($NOW - $tick_start) / $TICK;
3383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4352	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3384		4353
3385	_post_tick;	4354	if (0) {
3386		4355	if ($NEXT_TICK) {
3387		4356	my $jitter = $TICK_START - $NEXT_TICK;
		4357	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4358	debug "jitter $JITTER\n";#d#
		4359	}
3388	},	4360	}
3389	);	4361	}
3390		4362
3391	{	4363	{
3392	BDB::max_poll_time $TICK * 0.1;	4364	# configure BDB
3393	$BDB_POLL_WATCHER = Event->io (	4365	info "initialising database";
3394	reentrant => 0,	4366
3395	fd => BDB::poll_fileno,
3396	poll => 'r',
3397	prio => 0,
3398	data => WF_AUTOCANCEL,
3399	cb => \&BDB::poll_cb,
3400	);
3401	BDB::min_parallel 8;	4367	BDB::min_parallel 16;
3402		4368	BDB::max_poll_reqs $TICK * 0.1;
3403	BDB::set_sync_prepare {	4369	#$AnyEvent::BDB::WATCHER->priority (1);
3404	my $status;
3405	my $current = $Coro::current;
3406	(
3407	sub {
3408	$status = $!;
3409	$current->ready; undef $current;
3410	},
3411	sub {
3412	Coro::schedule while defined $current;
3413	$! = $status;
3414	},
3415	)
3416	};
3417		4370
3418	unless ($DB_ENV) {	4371	unless ($DB_ENV) {
3419	$DB_ENV = BDB::db_env_create;	4372	$DB_ENV = BDB::db_env_create;
		4373	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4374	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4375	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4376	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4377	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3420		4378
3421	cf::sync_job {	4379	cf::sync_job {
3422	eval {	4380	eval {
3423	BDB::db_env_open	4381	BDB::db_env_open
3424	$DB_ENV,	4382	$DB_ENV,
…		…
3426	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4384	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3427	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4385	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3428	0666;	4386	0666;
3429		4387
3430	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4388	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3431
3432	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3433	$DB_ENV->set_lk_detect;
3434	};	4389	};
3435		4390
3436	cf::cleanup "db_env_open(db): $@" if $@;	4391	cf::cleanup "db_env_open(db): $@" if $@;
3437	};	4392	};
3438	}	4393	}
		4394
		4395	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4396	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4397	};
		4398	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4399	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4400	};
		4401	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4402	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4403	};
		4404
		4405	info "database initialised";
3439	}	4406	}
3440		4407
3441	{	4408	{
		4409	# configure IO::AIO
		4410
		4411	info "initialising aio";
3442	IO::AIO::min_parallel 8;	4412	IO::AIO::min_parallel 8;
3443
3444	undef $Coro::AIO::WATCHER;
3445	IO::AIO::max_poll_time $TICK * 0.1;	4413	IO::AIO::max_poll_time $TICK * 0.1;
3446	$AIO_POLL_WATCHER = Event->io (	4414	undef $AnyEvent::AIO::WATCHER;
3447	reentrant => 0,	4415	info "aio initialised";
3448	data => WF_AUTOCANCEL,
3449	fd => IO::AIO::poll_fileno,
3450	poll => 'r',
3451	prio => 6,
3452	cb => \&IO::AIO::poll_cb,
3453	);
3454	}	4416	}
3455		4417
3456	my $_log_backtrace;	4418	our $_log_backtrace;
		4419	our $_log_backtrace_last;
3457		4420
3458	sub _log_backtrace {	4421	sub _log_backtrace {
3459	my ($msg, @addr) = @_;	4422	my ($msg, @addr) = @_;
3460		4423
3461	$msg =~ s/\n//;	4424	$msg =~ s/\n$//;
3462		4425
		4426	if ($_log_backtrace_last eq $msg) {
		4427	LOG llevInfo, "[ABT] $msg\n";
		4428	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3463	# limit the # of concurrent backtraces	4429	# limit the # of concurrent backtraces
3464	if ($_log_backtrace < 2) {	4430	} elsif ($_log_backtrace < 2) {
		4431	$_log_backtrace_last = $msg;
3465	++$_log_backtrace;	4432	++$_log_backtrace;
		4433	my $perl_bt = Carp::longmess $msg;
3466	async {	4434	async {
		4435	$Coro::current->{desc} = "abt $msg";
		4436
3467	my @bt = fork_call {	4437	my @bt = fork_call {
3468	@addr = map { sprintf "%x", $_ } @addr;	4438	@addr = map { sprintf "%x", $_ } @addr;
3469	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4439	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3470	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4440	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3471	or die "addr2line: $!";	4441	or die "addr2line: $!";
…		…
3479	}	4449	}
3480		4450
3481	@funcs	4451	@funcs
3482	};	4452	};
3483		4453
3484	LOG llevInfo, "[ABT] $msg\n";	4454	LOG llevInfo, "[ABT] $perl_bt\n";
		4455	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3485	LOG llevInfo, "[ABT] $_\n" for @bt;	4456	LOG llevInfo, "[ABT] $_\n" for @bt;
3486	--$_log_backtrace;	4457	--$_log_backtrace;
3487	};	4458	};
3488	} else {	4459	} else {
3489	LOG llevInfo, "[ABT] $msg\n";	4460	LOG llevInfo, "[ABT] $msg\n";
3490	LOG llevInfo, "[ABT] [suppressed]\n";	4461	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3491	}	4462	}
3492	}	4463	}
3493		4464
3494	# load additional modules	4465	# load additional modules
3495	use cf::pod;	4466	require "cf/$_.pm" for @EXTRA_MODULES;
		4467	cf::_connect_to_perl_2;
3496		4468
3497	END { cf::emergency_save }	4469	END { cf::emergency_save }
3498		4470
3499	1	4471	1
3500		4472

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