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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.280 by root, Sat Jun 16 14:35:41 2007 UTC vs.
Revision 1.608 by root, Sun Nov 18 09:53:57 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
25	use BDB ();	58	use BDB ();
26	use Data::Dumper;	59	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	60	use Fcntl;
29	use YAML::Syck ();	61	use YAML::XS ();
30	use IO::AIO 2.32 ();	62	use IO::AIO ();
31	use Time::HiRes;
32	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
33		67
34	# configure various modules to our taste	68	# configure various modules to our taste
35	#	69	#
36	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
37	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";
38	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
39		78
40	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
41		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		81
47	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;
48		85
49	our %COMMAND = ();	86	our %COMMAND = ();
50	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
51		88
52	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
		92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
56		96
57	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
59		101
60	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
61	our $DATADIR = datadir;	104	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
65	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
		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;
71		125
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	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;
77	our $NOW;	144	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		145
80	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
91		149
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		152
95	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)
96	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
97	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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
98		165
99	binmode STDOUT;	166	binmode STDOUT;
100	binmode STDERR;	167	binmode STDERR;
101		168
102	# read virtual server time, if available	169	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
107	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
108		177
109	mkdir $_	178	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		180
112	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
113		182
114	sub cf::map::normalise;	183	sub cf::map::normalise;
115		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
116	#############################################################################	189	#############################################################################
117		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
118	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
119		203
120	=over 4	204	=over 4
121		205
122	=item $cf::UPTIME	206	=item $cf::UPTIME
123		207
124	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.
125		224
126	=item $cf::RUNTIME	225	=item $cf::RUNTIME
127		226
128	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
129	every server tick.	228	every server tick.
130		229
131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
134		233
135	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
138	database environment.	237	database environment.
139		238
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	239	=item $cf::LOADAVG
149		240
150	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
155		246
156	The raw value load value from the last tick.	247	The raw value load value from the last tick.
157		248
158	=item %cf::CFG	249	=item %cf::CFG
159		250
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	252	from wherever your confdir points to.
162		253
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		255
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
166	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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();
		277
		278	=item @cf::INVOKE_RESULTS
		279
		280	This array contains the results of the last C<invoke ()> call. When
		281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		282	that call.
		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.
168		289
169	=back	290	=back
170		291
171	=cut	292	=cut
172		293
173	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
174	*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 {
175	my $msg = join "", @_;	301	my $msg = join "", @_;
176		302
177	$msg .= "\n"	303	$msg .= "\n"
178	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
179		305
180	$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;
181		307
182	utf8::encode $msg;
183	LOG llevError, $msg;	308	LOG llevWarn, $msg;
184	};	309	};
185	}	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	};
186		324
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	335	for my $pkg (qw(
198	cf::global cf::attachable	336	cf::global cf::attachable
199	cf::object cf::object::player	337	cf::object cf::object::player
200	cf::client cf::player	338	cf::client cf::player
201	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
202	cf::map cf::party cf::region	341	cf::party cf::region
203	)) {	342	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	344	}
207		345
208	$Event::DIED = sub {	346	$EV::DIED = sub {
209	warn "error in event callback: @_";	347	warn "error in event callback: $@";
210	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
		354
		355	#############################################################################
211		356
212	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
213		358
214	=over 4	359	=over 4
215		360
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	380	$d
236	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
237	}	382	}
238		383
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	384	=item $scalar = cf::load_file $path
240		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
241	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
242		437
243	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
244		439
245	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
246		441
247	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
248		443
		444	=cut
		445
		446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		447
		448	sub encode_json($) { $json_coder->encode ($_[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	}
		512
249	=item cf::lock_wait $string	513	=item cf::lock_wait $string
250		514
251	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
252		516
253	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
254		518
255	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
256	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,
257	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
258	returned.	522	returned.
259		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
260	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
261	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
262		529
263	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
264		531
265	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.
266		533
267	=cut	534	=cut
268		535
269	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
270		537
271	sub lock_wait($) {	538	sub lock_wait($) {
272	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	540	}
280		541
281	sub lock_acquire($) {	542	sub lock_acquire($) {
282	my ($key) = @_;	543	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	544	}
294		545
295	sub lock_active($) {	546	sub lock_active($) {
296	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	548	}
300		549
301	sub freeze_mainloop {	550	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
303		552
304	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	554	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
306	};	623	}
307	$TICK_WATCHER->stop;	624	};
308	$guard	625
		626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
309	}	639	}
310		640
311	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
312		642
313	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		648
319	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
320		650
321	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
322		652
323	The design of crossfire+ requires that the main coro ($Coro::main) is	653	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	654	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		656	acceptable.
326		657
327	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	660	server will be frozen during this time, so the block should either finish
330	fast or be very important.	661	fast or be very important.
…		…
332	=cut	663	=cut
333		664
334	sub sync_job(&) {	665	sub sync_job(&) {
335	my ($job) = @_;	666	my ($job) = @_;
336		667
337	if ($Coro::current == $Coro::main) {	668	if (in_main) {
338	my $time = Event::time;	669	my $time = AE::time;
339		670
340	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
342		673
343	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	675
345	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
346		677
347	my $busy = 1;	678	my $busy = 1;
348	my @res;	679	my @res;
349		680
350	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	683	@res = eval { $job->() };
352	warn $@ if $@;	684	error $@ if $@;
353	undef $busy;	685	undef $busy;
354	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
355		687
356	while ($busy) {	688	while ($busy) {
357	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
358	}	693	}
		694	}
359		695
360	$time = Event::time - $time;	696	my $time = AE::time - $time;
361		697
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
366		699
367	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
368	} else {	701	} else {
369	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
370		703
…		…
390	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
391		724
392	$coro	725	$coro
393	}	726	}
394		727
395	sub write_runtime {	728	=item fork_call { }, @args
396	my $runtime = "$LOCALDIR/runtime";
397		729
398	# first touch the runtime file to show we are still running:	730	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	731	process, returning the results. Everything must be serialisable with
		732	Coro::Storable. May, of course, block. Note that the executed sub may
		733	never block itself or use any form of event handling.
400		734
401	IO::AIO::aio_utime $runtime, undef, undef;	735	=cut
402		736
403	my $guard = cf::lock_acquire "write_runtime";	737	sub post_fork {
		738	reset_signals;
		739	}
404		740
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	741	sub fork_call(&@) {
406	or return;	742	my ($cb, @args) = @_;
407		743
408	my $value = $cf::RUNTIME + 90 + 10;	744	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	745	cf::post_fork;
410	# 60 allows for the watchdog to kill the server.	746	&$cb
		747	} @args;
411		748
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	749	wantarray ? @res : $res[-1]
413	and return;	750	}
414		751
415	# always fsync - this file is important	752	sub objinfo {
416	aio_fsync $fh
417	and return;
418
419	# touch it again to show we are up-to-date
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";
429
430	1	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
		788	}
		789
		790	=item $value = cf::db_get $family => $key
		791
		792	Returns a single value from the environment database.
		793
		794	=item cf::db_put $family => $key => $value
		795
		796	Stores the given C<$value> in the family. It can currently store binary
		797	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		798
		799	=item $db = cf::db_table "name"
		800
		801	Create and/or open a new database table. The string must not be "db" and must be unique
		802	within each server.
		803
		804	=cut
		805
		806	sub db_table($) {
		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	}
		825
		826	our $DB;
		827
		828	sub db_init {
		829	$DB ||= db_table "db";
		830	}
		831
		832	sub db_get($$) {
		833	my $key = "$_[0]/$_[1]";
		834
		835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
		838	BDB::db_get $DB, undef, $key, my $data;
		839
		840	$! ? ()
		841	: $data
		842	}
		843
		844	sub db_put($$$) {
		845	BDB::dbreq_pri 4;
		846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		847	}
		848
		849	=item cf::cache $id => [$paths...], $processversion => $process
		850
		851	Generic caching function that returns the value of the resource $id,
		852	caching and regenerating as required.
		853
		854	This function can block.
		855
		856	=cut
		857
		858	sub cache {
		859	my ($id, $src, $processversion, $process) = @_;
		860
		861	my $meta =
		862	join "\x00",
		863	$processversion,
		864	map {
		865	aio_stat $_
		866	and Carp::croak "$_: $!";
		867
		868	($_, (stat _)[7,9])
		869	} @$src;
		870
		871	my $dbmeta = db_get cache => "$id/meta";
		872	if ($dbmeta ne $meta) {
		873	# changed, we may need to process
		874
		875	my @data;
		876	my $md5;
		877
		878	for (0 .. $#$src) {
		879	$data[$_] = load_file $src->[$_];
		880	}
		881
		882	# if processing is expensive, check
		883	# checksum first
		884	if (1) {
		885	$md5 =
		886	join "\x00",
		887	$processversion,
		888	map {
		889	cf::cede_to_tick;
		890	($src->[$_], Digest::MD5::md5_hex $data[$_])
		891	} 0.. $#$src;
		892
		893
		894	my $dbmd5 = db_get cache => "$id/md5";
		895	if ($dbmd5 eq $md5) {
		896	db_put cache => "$id/meta", $meta;
		897
		898	return db_get cache => "$id/data";
		899	}
		900	}
		901
		902	my $t1 = EV::time;
		903	my $data = $process->(\@data);
		904	my $t2 = EV::time;
		905
		906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		907
		908	db_put cache => "$id/data", $data;
		909	db_put cache => "$id/md5" , $md5;
		910	db_put cache => "$id/meta", $meta;
		911
		912	return $data;
		913	}
		914
		915	db_get cache => "$id/data"
431	}	916	}
432		917
433	=item cf::datalog type => key => value, ...	918	=item cf::datalog type => key => value, ...
434		919
435	Log a datalog packet of the given type with the given key-value pairs.	920	Log a datalog packet of the given type with the given key-value pairs.
436		921
437	=cut	922	=cut
438		923
439	sub datalog($@) {	924	sub datalog($@) {
440	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	927	}
443		928
444	=back	929	=back
445		930
446	=cut	931	=cut
447		932
448	#############################################################################	933	#############################################################################
449		934
450	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
451		936
452	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
453	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")
454	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
455		940
456	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>
457	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
458	crossfire+).	943	Deliantra).
459		944
460	=over 4	945	=over 4
461		946
462	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
463		948
…		…
507	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
508		993
509	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
511		996
512	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
513	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.
514		999
515	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
516		1001
517	=over 4	1002	=over 4
…		…
641		1126
642	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		1129
645	} elsif (ref $type) {	1130	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
647		1132
648	} else {	1133	} else {
649	shift @arg;	1134	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
651	}	1136	}
652	}	1137	}
653	}	1138	}
654		1139
655	sub _object_attach {	1140	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
666	}	1151	}
667		1152
668	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
669	} else {	1154	} else {
670	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1156	}
672		1157
673	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
674	}	1159	}
675		1160
…		…
715	";	1200	";
716	die if $@;	1201	die if $@;
717	}	1202	}
718		1203
719	our $override;	1204	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1205	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1206
722	sub override {	1207	sub override {
723	$override = 1;	1208	$override = 1;
724	@invoke_results = ();	1209	@INVOKE_RESULTS = (@_);
725	}	1210	}
726		1211
727	sub do_invoke {	1212	sub do_invoke {
728	my $event = shift;	1213	my $event = shift;
729	my $callbacks = shift;	1214	my $callbacks = shift;
730		1215
731	@invoke_results = ();	1216	@INVOKE_RESULTS = ();
732		1217
733	local $override;	1218	local $override;
734		1219
735	for (@$callbacks) {	1220	for (@$callbacks) {
736	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
737		1222
738	if ($@) {	1223	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1225	override;
742	}	1226	}
743		1227
744	return 1 if $override;	1228	return 1 if $override;
745	}	1229	}
746		1230
747	0	1231	0
748	}	1232	}
749		1233
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1235
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1237
754	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
755		1239
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1240	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1241	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1242	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1243
760	=back	1244	=back
761		1245
762	=cut	1246	=cut
763		1247
764	#############################################################################	1248	#############################################################################
765	# object support	1249	# object support
		1250
		1251	sub _object_equal($$);
		1252	sub _object_equal($$) {
		1253	my ($a, $b) = @_;
		1254
		1255	return 0 unless (ref $a) eq (ref $b);
		1256
		1257	if ("HASH" eq ref $a) {
		1258	my @ka = keys %$a;
		1259	my @kb = keys %$b;
		1260
		1261	return 0 if @ka != @kb;
		1262
		1263	for (0 .. $#ka) {
		1264	return 0 unless $ka[$_] eq $kb[$_];
		1265	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1266	}
		1267
		1268	} elsif ("ARRAY" eq ref $a) {
		1269
		1270	return 0 if @$a != @$b;
		1271
		1272	for (0 .. $#$a) {
		1273	return 0 unless _object_equal $a->[$_], $b->[$_];
		1274	}
		1275
		1276	} elsif ($a ne $b) {
		1277	return 0;
		1278	}
		1279
		1280	1
		1281	}
		1282
		1283	our $SLOW_MERGES;#d#
		1284	sub _can_merge {
		1285	my ($ob1, $ob2) = @_;
		1286
		1287	++$SLOW_MERGES;#d#
		1288
		1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
		1291	}
766		1292
767	sub reattach {	1293	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1295	my ($obj) = @_;
770		1296
		1297	# no longer needed after getting rid of delete_package?
771	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
772		1299
773	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
774		1301
775	@$registry = ();	1302	@$registry = ();
776		1303
…		…
781	for (@$attach) {	1308	for (@$attach) {
782	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
784	}	1311	}
785	} else {	1312	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1314	}
788	}	1315	}
789	}	1316	}
790		1317
791	cf::attachable->attach (	1318	cf::attachable->attach (
792	prio => -1000000,	1319	prio => -1000000,
793	on_instantiate => sub {	1320	on_instantiate => sub {
794	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
795		1322
796	$data = from_json $data;	1323	$data = decode_json $data;
797		1324
798	for (@$data) {	1325	for (@$data) {
799	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
800		1327
801	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1344	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
819		1346
820	sync_job {	1347	sync_job {
821	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
824		1353
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	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	}
829	close $fh;	1361	aio_close $fh;
830		1362
831	if (@$objs) {	1363	if (@$objs) {
832	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) {
833	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
836	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	}
837	close $fh;	1372	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
839	}	1374	}
840	} else {	1375	} else {
841	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
842	}	1377	}
843		1378
844	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1383	} else {
846	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
847	}	1385	}
848	} else {	1386	} else {
849	aio_unlink $filename;	1387	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
851	}	1389	}
852	}	1390	};
853	}	1391	}
854		1392
855	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
857		1395
…		…
869	or return;	1407	or return;
870		1408
871	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
873	or return;	1411	or return;
		1412
874	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
875	}	1415	}
876		1416
		1417	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
879	return ($data, $av);	1422	($data, $av)
880	}	1423	}
		1424
		1425	=head2 COMMAND CALLBACKS
		1426
		1427	=over 4
		1428
		1429	=cut
881		1430
882	#############################################################################	1431	#############################################################################
883	# command handling &c	1432	# command handling &c
884		1433
885	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
886		1435
887	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
888	$name.	1437	$name.
889		1438
890	=cut	1439	=cut
…		…
896	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
897		1446
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1448	}
900		1449
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
902		1451
903	Register a callbackf ro execution when the client sends an extcmd packet.	1452	Register a callback for execution when the client sends an (synchronous)
		1453	extcmd packet. Ext commands will be processed in the order they are
		1454	received by the server, like other user commands. The first argument is
		1455	the logged-in player. Ext commands can only be processed after a player
		1456	has logged in successfully.
904		1457
905	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
906	called.
907		1459
908	=cut	1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
909		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
		1465	=item cf::register_exticmd $name => \&callback($ns,@args)
		1466
		1467	Register a callback for execution when the client sends an (asynchronous)
		1468	exticmd packet. Exti commands are processed by the server as soon as they
		1469	are received, i.e. out of order w.r.t. other commands. The first argument
		1470	is a client socket. Exti commands can be received anytime, even before
		1471	log-in.
		1472
		1473	The values will be sent back to the client.
		1474
		1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
910	sub register_extcmd {	1482	sub register_extcmd($$) {
911	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
912		1484
913	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
914	}	1486	}
915		1487
		1488	sub register_async_extcmd($$) {
		1489	my ($name, $cb) = @_;
		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
		1497	$EXTICMD{$name} = $cb;
		1498	}
		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
916	cf::player->attach (	1508	cf::player->attach (
917	on_command => sub {	1509	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
919		1511
920	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
921	or return;	1513	or return;
922		1514
…		…
927	cf::override;	1519	cf::override;
928	},	1520	},
929	on_extcmd => sub {	1521	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
931		1523
932	my $msg = eval { from_json $buf };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1525
934	if (ref $msg) {	1526	if (ref $msg) {
		1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1528
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1529	if (my $cb = $EXTACMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1530	$cb->(
937	$pl->ext_reply ($msg->{msgid}, %reply);	1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
		1542	@reply = $cb->($pl, @payload);
938	}	1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
939	}	1547	}
		1548
940	} else {	1549	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1551	}
943		1552
944	cf::override;	1553	cf::override;
945	},	1554	},
946	);	1555	);
947		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
948	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
949	cf::sync_job {	1586	cf::sync_job {
950	my %todo;	1587	my %todo;
951		1588
952	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
953	next unless -r $path;	1590	next unless -r $path;
…		…
971		1608
972	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1611
975	$ext{source} =	1612	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
977	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
978	. $source	1615	. $source
979	. "\n};\n1";	1616	. "\n};\n1";
980		1617
981	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
982	}	1619	}
983		1620
		1621	my $pass = 0;
984	my %done;	1622	my %done;
985	while (%todo) {	1623	while (%todo) {
986	my $progress;	1624	my $progress;
987		1625
		1626	++$pass;
		1627
		1628	ext:
988	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1631	next ext
991	unless exists $done{$_};	1632	unless exists $done{$_};
992	}	1633	}
993		1634
994	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
995		1636
996	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 $@) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
998	: "$v->{base}: extension inactive.\n";
999		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1000	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1001	warn $msg;	1653
1002	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1003	exit 1;	1655	delete $todo{$k};
1004	}	1656	} else {
1005		1657	$done{$k} = delete $todo{$k};
1006	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1007	}	1663	}
1008
1009	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};
1011	$progress = 1;
1012	}	1664	}
1013		1665
1014	skip:	1666	unless ($progress) {
1015	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1016	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	}
1017	}	1676	}
1018	};	1677	};
1019	}	1678	}
1020		1679
1021	#############################################################################	1680	#############################################################################
1022		1681
		1682	=back
		1683
1023	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1024		1685
1025	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1026		1687
1027	=cut	1688	=cut
1028		1689
1029	package cf::player;	1690	package cf::player;
1030		1691
1031	use Coro::AIO;	1692	use Coro::AIO;
1032		1693
1033	=head3 cf::player	1694	=head3 cf::player
1034		1695
1035	=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	}
1036		1711
1037	=item cf::player::find $login	1712	=item cf::player::find $login
1038		1713
1039	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
1040		1715
…		…
1059		1734
1060	sub exists($) {	1735	sub exists($) {
1061	my ($login) = @_;	1736	my ($login) = @_;
1062		1737
1063	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1064	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1065	}	1740	}
1066		1741
1067	sub find($) {	1742	sub find($) {
1068	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1069	my $login = $_[0];	1744	my $login = $_[0];
…		…
1076	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1077	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1078	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1079	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1080		1755
1081	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
1082	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;
1083	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1084	}	1765	}
1085	}	1766	}
1086	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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	);
1087		1781
1088	sub save($) {	1782	sub save($) {
1089	my ($pl) = @_;	1783	my ($pl) = @_;
1090		1784
1091	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1096	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1097		1791
1098	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1099	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1100		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
1101	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1102	Coro::cede;	1801	cf::cede_to_tick;
1103	}	1802	}
1104		1803
1105	sub new($) {	1804	sub new($) {
1106	my ($login) = @_;	1805	my ($login) = @_;
1107		1806
…		…
1113	$cf::PLAYER{$login} = $self;	1812	$cf::PLAYER{$login} = $self;
1114		1813
1115	$self	1814	$self
1116	}	1815	}
1117		1816
		1817	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1818
		1819	=cut
		1820
		1821	sub send_msg {
		1822	my $ns = shift->ns
		1823	or return;
		1824	$ns->send_msg (@_);
		1825	}
		1826
1118	=item $pl->quit_character	1827	=item $pl->quit_character
1119		1828
1120	Nukes the player without looking back. If logged in, the connection will	1829	Nukes the player without looking back. If logged in, the connection will
1121	be destroyed. May block for a long time.	1830	be destroyed. May block for a long time.
1122		1831
…		…
1126	my ($pl) = @_;	1835	my ($pl) = @_;
1127		1836
1128	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1129		1838
1130	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1131	$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
1132		1841
1133	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1134	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1135	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1136	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1137		1850
1138	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1139	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1140	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1175	or return [];	1888	or return [];
1176		1889
1177	my @logins;	1890	my @logins;
1178		1891
1179	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") {
1180	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1181	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1182	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1183		1902
1184	utf8::decode $login;	1903	utf8::decode $login;
1185	push @logins, $login;	1904	push @logins, $login;
1186	}	1905	}
1187		1906
1188	\@logins	1907	\@logins
1189	}	1908	}
1190		1909
1191	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1192		1913
1193	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1194	player. May block.	1915	player. May block.
1195		1916
1196	=cut	1917	=cut
…		…
1214	}	1935	}
1215		1936
1216	\@paths	1937	\@paths
1217	}	1938	}
1218		1939
1219	=item $player->ext_reply ($msgid, %msg)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1220		1941
1221	Sends an ext reply to the player.	1942	Expand deliantra pod fragments into protocol xml.
1222		1943
1223	=cut
1224
1225	sub ext_reply($$%) {
1226	my ($self, $id, %msg) = @_;
1227
1228	$msg{msgid} = $id;
1229
1230	$self->send ("ext " . cf::to_json \%msg);
1231	}
1232
1233	=item $player->ext_event ($type, %msg)	1944	=item $player->ext_msg ($type, @msg)
1234		1945
1235	Sends an ext event to the client.	1946	Sends an ext event to the client.
1236		1947
1237	=cut	1948	=cut
1238		1949
1239	sub ext_event($$%) {	1950	sub ext_msg($$@) {
1240	my ($self, $type, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1241		1952
1242	$self->ns->ext_event ($type, %msg);	1953	$self->ns->ext_msg ($type, @msg);
1243	}	1954	}
1244		1955
1245	=head3 cf::region	1956	=head3 cf::region
1246		1957
1247	=over 4	1958	=over 4
…		…
1250		1961
1251	package cf::region;	1962	package cf::region;
1252		1963
1253	=item cf::region::find_by_path $path	1964	=item cf::region::find_by_path $path
1254		1965
1255	Tries to decuce the probable region for a map knowing only its path.	1966	Tries to decuce the likely region for a map knowing only its path.
1256		1967
1257	=cut	1968	=cut
1258		1969
1259	sub find_by_path($) {	1970	sub find_by_path($) {
1260	my ($path) = @_;	1971	my ($path) = @_;
1261		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
		1974
1262	my ($match, $specificity);	1975	my ($match, $specificity);
1263		1976
1264	for my $region (list) {	1977	for my $region (list) {
1265	if ($region->match && $path =~ $region->match) {	1978	if ($region->{match} && $path =~ $region->{match}) {
1266	($match, $specificity) = ($region, $region->specificity)	1979	($match, $specificity) = ($region, $region->specificity)
1267	if $region->specificity > $specificity;	1980	if $region->specificity > $specificity;
1268	}	1981	}
1269	}	1982	}
1270		1983
…		…
1291	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1292	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1293		2006
1294	sub generate_random_map {	2007	sub generate_random_map {
1295	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1296	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1297	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1298	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1299	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1300	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1301	$rmp->{exit_on_final_map},
1302	$rmp->{xsize}, $rmp->{ysize},
1303	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1304	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1305	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1306	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1307	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1308	(cf::region::find $rmp->{region}), $rmp->{custom}
1309	)
1310	}	2013	}
1311		2014
1312	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1313		2016
1314	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
…		…
1319		2022
1320	sub register {	2023	sub register {
1321	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1322	my $pkg = caller;	2025	my $pkg = caller;
1323		2026
1324	no strict;
1325	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1326		2028
1327	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1328	}	2030	}
1329		2031
1330	# also paths starting with '/'	2032	# also paths starting with '/'
1331	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1332		2034
1333	sub thawer_merge {	2035	sub thawer_merge {
1334	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1335		2037
1336	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1341	}	2043	}
1342		2044
1343	sub normalise {	2045	sub normalise {
1344	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1345		2047
1346	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1347		2049
1348	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1349		2051
1350	# map plan:	2052	# map plan:
1351	#	2053	#
…		…
1366	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1367	$path = "$base/$path";	2069	$path = "$base/$path";
1368	}	2070	}
1369		2071
1370	for ($path) {	2072	for ($path) {
1371	redo if s{//}{/};
1372	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1373	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1374	}	2075	}
1375		2076
1376	$path	2077	$path
…		…
1390	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1391	return $self;	2092	return $self;
1392	}	2093	}
1393	}	2094	}
1394		2095
1395	Carp::carp "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1396	()	2097	()
1397	}	2098	}
1398		2099
		2100	# may re-bless or do other evil things
1399	sub init {	2101	sub init {
1400	my ($self) = @_;	2102	my ($self) = @_;
1401		2103
1402	$self	2104	$self
1403	}	2105	}
…		…
1422		2124
1423	# the temporary/swap location	2125	# the temporary/swap location
1424	sub save_path {	2126	sub save_path {
1425	my ($self) = @_;	2127	my ($self) = @_;
1426		2128
1427	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1428	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1429	}	2131	}
1430		2132
1431	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1432	sub uniq_path {	2134	sub uniq_path {
1433	my ($self) = @_;	2135	my ($self) = @_;
1434		2136
1435	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1436	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1437	}
1438
1439	# and all this just because we cannot iterate over
1440	# all maps in C++...
1441	sub change_all_map_light {
1442	my ($change) = @_;
1443
1444	$_->change_map_light ($change)
1445	for grep $_->outdoor, values %cf::MAP;
1446	}	2139	}
1447		2140
1448	sub decay_objects {	2141	sub decay_objects {
1449	my ($self) = @_;	2142	my ($self) = @_;
1450		2143
…		…
1463		2156
1464	sub load_header_from($) {	2157	sub load_header_from($) {
1465	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1466		2159
1467	utf8::encode $path;	2160	utf8::encode $path;
1468	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1469	# or return;
1470
1471	$self->_load_header ($path)
1472	or return;	2162	or return;
1473		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1474	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1475		2171
1476	1	2172	1
1477	}	2173	}
1478		2174
		2175	# used to laod the header of an original map
1479	sub load_header_orig {	2176	sub load_header_orig {
1480	my ($self) = @_;	2177	my ($self) = @_;
1481		2178
1482	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1483	}	2180	}
1484		2181
		2182	# used to laod the header of an instantiated map
1485	sub load_header_temp {	2183	sub load_header_temp {
1486	my ($self) = @_;	2184	my ($self) = @_;
1487		2185
1488	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1489	}	2187	}
1490		2188
		2189	# called after loading the header from an instantiated map
1491	sub prepare_temp {	2190	sub prepare_temp {
1492	my ($self) = @_;	2191	my ($self) = @_;
1493		2192
1494	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1495	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1496	# safety	2195	# safety
1497	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1498	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1499	}	2198	}
1500		2199
		2200	# called after loading the header from an original map
1501	sub prepare_orig {	2201	sub prepare_orig {
1502	my ($self) = @_;	2202	my ($self) = @_;
1503		2203
1504	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1505	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1529		2229
1530	sub find;	2230	sub find;
1531	sub find {	2231	sub find {
1532	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1533		2233
		2234	cf::cede_to_tick;
		2235
1534	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1535		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1536	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1537		2240
1538	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1539	my $guard = cf::lock_acquire "map_find:$path";
1540	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1541	or return;	2243	or return;
1542		2244
1543	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1544		2246
…		…
1546	or return;	2248	or return;
1547		2249
1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1549	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1550	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1551	$map->reset;	2255	$map->reset;
1552	undef $guard;
1553	return find $path;	2256	return find $path;
1554	}	2257	}
1555		2258
1556	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1557	}	2260	}
1558	}	2261	}
1559		2262
1560	sub pre_load { }	2263	sub pre_load { }
1561	sub post_load { }	2264	#sub post_load { } # XS
1562		2265
1563	sub load {	2266	sub load {
1564	my ($self) = @_;	2267	my ($self) = @_;
1565		2268
1566	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1567		2270
1568	my $path = $self->{path};	2271	my $path = $self->{path};
1569		2272
1570	{	2273	{
1571	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1572		2275
		2276	return unless $self->valid;
1573	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1574
1575	$self->in_memory (cf::MAP_LOADING);
1576		2278
1577	$self->alloc;	2279	$self->alloc;
1578		2280
1579	$self->pre_load;	2281	$self->pre_load;
1580	Coro::cede;	2282	cf::cede_to_tick;
1581		2283
1582	$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)
1583	or return;	2288	or return;
1584		2289
1585	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1586	if delete $self->{load_original};	2291	if delete $self->{load_original};
1587		2292
1588	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1589	utf8::encode $uniq;	2294	utf8::encode $uniq;
1590	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1591	$self->clear_unique_items;	2297	$self->clear_unique_items;
1592	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1593	}	2302	}
1594	}
1595		2303
1596	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;
1597	# now do the right thing for maps	2313	# now do the right thing for maps
1598	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1599	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1600	unless $self->difficulty;	2316	unless $self->difficulty;
1601	Coro::cede;	2317	cf::cede_to_tick;
1602		2318
1603	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1604	$self->decay_objects;	2320	$self->decay_objects;
1605	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1606	$self->update_buttons;	2322	$self->update_buttons;
1607	Coro::cede;	2323	cf::cede_to_tick;
1608	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1609	Coro::cede;
1610	$self->activate;
1611	}	2325	}
1612		2326
1613	$self->in_memory (cf::MAP_IN_MEMORY);	2327	$self->{last_save} = $cf::RUNTIME;
		2328	$self->last_access ($cf::RUNTIME);
1614	}	2329	}
1615		2330
1616	$self->post_load;	2331	$self->post_load;
1617	}
1618		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
1619	sub customise_for {	2339	sub customise_for {
1620	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1621		2341
1622	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1623	if $self->per_player;	2343	if $self->per_player;
…		…
1626	# if $self->per_party;	2346	# if $self->per_party;
1627		2347
1628	$self	2348	$self
1629	}	2349	}
1630		2350
1631	# find and load all maps in the 3x3 area around a map
1632	sub load_diag {
1633	my ($map) = @_;
1634
1635	my @diag; # diagonal neighbours
1636
1637	for (0 .. 3) {
1638	my $neigh = $map->tile_path ($_)
1639	or next;
1640	$neigh = find $neigh, $map
1641	or next;
1642	$neigh->load;
1643
1644	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1645	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1646	}
1647
1648	for (@diag) {
1649	my $neigh = find @$_
1650	or next;
1651	$neigh->load;
1652	}
1653	}
1654
1655	sub find_sync {	2351	sub find_sync {
1656	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1657		2353
1658	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
1659	}	2359	}
1660		2360
1661	sub do_load_sync {	2361	sub do_load_sync {
1662	my ($map) = @_;	2362	my ($map) = @_;
1663		2363
1664	cf::sync_job { $map->load };	2364	# it's a bug to call this from the main context
		2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2366	if $Coro::current == $Coro::main;
		2367
		2368	$map->load;
1665	}	2369	}
1666		2370
1667	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1668	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1669		2373
1670	sub find_async {	2374	sub find_async {
1671	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1672		2376
1673	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1674		2378
1675	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1676	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1677	}	2381	}
1678		2382
1679	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1680	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1681	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1682	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1683	my $map = find $path	2390	if (my $map = find $k) {
1684	or next;
1685	$map->load;	2391	$map->load if $v;
		2392	}
1686		2393
1687	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1688	}	2395	}
1689	}	2396	}
1690	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1691	};	2398	};
1692	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1693		2400
1694	()	2401	()
1695	}	2402	}
1696		2403
		2404	# common code, used by both ->save and ->swapout
1697	sub save {	2405	sub _save {
1698	my ($self) = @_;	2406	my ($self) = @_;
1699
1700	my $lock = cf::lock_acquire "map_data:" . $self->path;
1701		2407
1702	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1703		2409
1704	return unless $self->dirty;	2410	return unless $self->dirty;
1705		2411
…		…
1711	return if $self->{deny_save};	2417	return if $self->{deny_save};
1712		2418
1713	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1714		2420
1715	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1716	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1717	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1718		2427
1719	if ($uniq) {	2428	if ($uniq) {
1720	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1721	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1722	} else {	2431	} else {
1723	$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);
1724	}	2433	}
1725	}	2434	}
1726		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1727	sub swap_out {	2444	sub swap_out {
1728	my ($self) = @_;	2445	my ($self) = @_;
1729		2446
1730	# save first because save cedes
1731	$self->save;
1732
1733	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1734		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1735	return if $self->players;	2451	return if $self->players;
1736	return if $self->in_memory != cf::MAP_IN_MEMORY;
1737	return if $self->{deny_save};
1738		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
1739	$self->clear;	2462	$self->clear;
1740	$self->in_memory (cf::MAP_SWAPPED);
1741	}	2463	}
1742		2464
1743	sub reset_at {	2465	sub reset_at {
1744	my ($self) = @_;	2466	my ($self) = @_;
1745		2467
…		…
1763		2485
1764	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
1765		2487
1766	return if $self->players;	2488	return if $self->players;
1767		2489
1768	warn "resetting map ", $self->path;	2490	cf::trace "resetting map ", $self->path, "\n";
1769		2491
1770	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
1771		2493
1772	# need to save uniques path	2494	# need to save uniques path
1773	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
1774	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1775		2497
…		…
1777	if $uniq;	2499	if $uniq;
1778	}	2500	}
1779		2501
1780	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
1781		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
1782	$self->clear;	2506	$self->clear;
1783
1784	$_->clear_links_to ($self) for values %cf::MAP;
1785		2507
1786	$self->unlink_save;	2508	$self->unlink_save;
1787	$self->destroy;	2509	$self->destroy;
1788	}	2510	}
1789		2511
1790	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
1791		2513
1792	sub nuke {	2514	sub nuke {
1793	my ($self) = @_;	2515	my ($self) = @_;
1794		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
1795	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
1796		2521
1797	$self->unlink_save;	2522	$self->unlink_save;
1798		2523
1799	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
1800	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
1801	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
1802	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
1803	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1804		2529
1805	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
1806		2532
1807	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
1808	}	2534	}
1809		2535
1810	=item $maps = cf::map::tmp_maps	2536	=item $maps = cf::map::tmp_maps
…		…
1852		2578
1853	sub unique_maps() {	2579	sub unique_maps() {
1854	[	2580	[
1855	map {	2581	map {
1856	utf8::decode $_;	2582	utf8::decode $_;
1857	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
1858	? normalise $_	2586	: normalise $_
1859	: ()
1860	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
1861	]	2588	]
1862	}	2589	}
1863		2590
1864	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	}
1865		2622
1866	=back	2623	=back
1867		2624
1868	=head3 cf::object	2625	=head3 cf::object
1869		2626
…		…
1873		2630
1874	=over 4	2631	=over 4
1875		2632
1876	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
1877		2634
1878	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.
1879		2637
1880	=cut	2638	=cut
1881		2639
1882	sub inv_recursive_;	2640	sub inv_recursive_;
1883	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
1886		2644
1887	sub inv_recursive {	2645	sub inv_recursive {
1888	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
1889	}	2647	}
1890		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
1891	package cf;	2677	package cf;
1892		2678
1893	=back	2679	=back
1894		2680
1895	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
1901	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>
1902	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
1903	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
1904		2690
1905	=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	};
1906		2706
1907	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
1908	# with dialog boxes.	2708	# with dialog boxes.
1909	#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
1910	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
1912		2712
1913	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914		2714
1915	if ($self->{record_replies}) {	2715	if ($self->{record_replies}) {
1916	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2717
1917	} else {	2718	} else {
		2719	my $pl = $self->contr;
		2720
		2721	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2722	my $dialog = $pl->{npc_dialog};
		2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2724
		2725	} else {
1918	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
1919	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2728	}
1920	}	2729	}
		2730	}
		2731
		2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2733
		2734	=cut
		2735
		2736	sub cf::object::send_msg {
		2737	my $pl = shift->contr
		2738	or return;
		2739	$pl->send_msg (@_);
1921	}	2740	}
1922		2741
1923	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
1924		2743
1925	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
…		…
1938		2757
1939	=item $player_object->enter_link	2758	=item $player_object->enter_link
1940		2759
1941	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}>).
1942		2761
1943	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.
1944	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.
1945		2766
1946	Will never block.	2767	Will never block.
1947		2768
1948	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
1949		2770
…		…
1969	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
1970	my ($self) = @_;	2791	my ($self) = @_;
1971		2792
1972	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
1973		2794
		2795	++$self->{_link_recursion};
		2796
1974	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
1975		2798
1976	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1977	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
1978		2801
1979	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1980	}	2803	}
1981		2804
1982	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
1983	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
1984		2807
…		…
2001	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2002	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2003		2826
2004	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2005	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2006	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2007		2830
2008	$map->load;	2831	$map->load;
2009	$map->load_diag;
2010		2832
2011	return unless $self->contr->active;	2833	return unless $self->contr->active;
2012	$self->activate_recursive;
2013		2834
2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2016	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2017		2842
		2843	}
		2844
2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2019		2846
2020	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
2021	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2022	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
2023	the new (success) or old (failed) map position.	2850	the new (success) or old (failed) map position. In either case, $done will
		2851	be called at the end of this process.
		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 >>.
2024		2855
2025	=cut	2856	=cut
2026		2857
2027	our $GOTOGEN;	2858	our $GOTOGEN;
2028		2859
2029	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2030	my ($self, $path, $x, $y, $check) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
2031		2868
2032	# 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
2033	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034		2871
2035	$self->enter_link;	2872	$self->enter_link;
2036		2873
2037	(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
2038	my $map = eval {	2896	my $map = eval {
2039	my $map = cf::map::find $path;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2040		2898
2041	if ($map) {	2899	if ($map) {
2042	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2043	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2044	} else {	2902	} else {
2045	$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);
2046	}	2904	}
2047		2905
2048	$map	2906	$map
2049	};	2907	};
2050		2908
…		…
2055		2913
2056	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2057	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2058	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2059	}	2917	}
		2918
		2919	$done->($self) if $done;
2060	})->prio (1);	2920	})->prio (1);
2061	}	2921	}
2062		2922
2063	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2064		2924
…		…
2084	}	2944	}
2085		2945
2086	sub prepare_random_map {	2946	sub prepare_random_map {
2087	my ($exit) = @_;	2947	my ($exit) = @_;
2088		2948
2089	my $guard = cf::lock_acquire "exit_prepare:$exit";
2090
2091	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
2092	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
2093	# that depends on the exit object	2951	# that depends on the exit object
2094		2952
2095	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2097	if ($exit->map) {	2955	if ($exit->map) {
2098	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2099	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2100	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2101	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2102	}	2962	}
2103		2963
2104	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2105		2965
2106	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2107	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
2108	my $meta = "$RANDOMDIR/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
2109		2969
2110	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2111	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2112	undef $fh;	2972	undef $fh;
2113	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2114		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2115	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2116	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2117	}	2981	}
2118	}	2982	}
2119		2983
2120	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2121	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2122		2986
2123	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2124		2988
2125	if ($exit->slaying eq "/!") {
2126	#TODO: this should de-fi-ni-te-ly not be a sync-job
2127	# the problem is that $exit might not survive long enough
2128	# so it needs to be done right now, right here
2129	cf::sync_job { prepare_random_map $exit };
2130	}
2131
2132	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2133	my $hp = $exit->stats->hp;
2134	my $sp = $exit->stats->sp;
2135
2136	$self->enter_link;	2989	$self->enter_link;
2137		2990
2138	(async {	2991	(async {
2139	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
2140	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
2141	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2142		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
2143	1;	3030	1
2144	}) {	3031	}) {
2145	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2146	. "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. "
2147	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2148	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2149		3036
2150	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2151	$self->leave_link;	3038	$self->leave_link;
2152	}	3039	}
2153	})->prio (1);	3040	})->prio (1);
2154	}	3041	}
2155		3042
2156	=head3 cf::client	3043	=head3 cf::client
2157		3044
2158	=over 4	3045	=over 4
2159		3046
2160	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2161		3048
2162	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2163	should not be used under normal circumstances.	3050	them as required.
2164		3051
2165	=cut	3052	=cut
2166		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
		3056	sub cf::client::send_big_packet {
		3057	my ($self, $pkt) = @_;
		3058
		3059	# try lzf for large packets
		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);
		3070	}
		3071
		3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3073
		3074	Send a msg packet to the client, formatting the msg for the client if
		3075	necessary. C<$type> should be a string identifying the type of the
		3076	message, with C<log> being the default. If C<$color> is negative, suppress
		3077	the message unless the client supports the msg packet.
		3078
		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	);
		3200
2167	sub cf::client::send_drawinfo {	3201	sub cf::client::send_msg {
2168	my ($self, $text, $flags) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2169		3203
2170	utf8::encode $text;	3204	$msg = $self->pl->expand_cfpod ($msg)
2171	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3205	unless $color & cf::NDI_VERBATIM;
2172	}
2173		3206
		3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
		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
		3216	} elsif (ref $channel) {
		3217	# send meta info to client, if not yet sent
		3218	unless (exists $self->{channel}{$channel->{id}}) {
		3219	$self->{channel}{$channel->{id}} = $channel;
		3220	$self->ext_msg (channel_info => $channel);
		3221	}
		3222
		3223	$channel = $channel->{id};
		3224	}
		3225
		3226	return unless @extra || length $msg;
		3227
		3228	# default colour, mask it out
		3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3230	if $color & cf::NDI_DEF;
		3231
		3232	my $pkt = "msg "
		3233	. $self->{json_coder}->encode (
		3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3235	);
		3236
		3237	$self->send_big_packet ($pkt);
		3238	}
		3239
2174	=item $client->ext_event ($type, %msg)	3240	=item $client->ext_msg ($type, @msg)
2175		3241
2176	Sends an exti event to the client.	3242	Sends an ext event to the client.
2177		3243
2178	=cut	3244	=cut
2179		3245
2180	sub cf::client::ext_event($$%) {	3246	sub cf::client::ext_msg($$@) {
2181	my ($self, $type, %msg) = @_;	3247	my ($self, $type, @msg) = @_;
2182		3248
2183	$msg{msgtype} = "event_$type";	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2184	$self->send_packet ("ext " . cf::to_json \%msg);
2185	}	3250	}
2186		3251
2187	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2188		3253
2189	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
2190	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3255	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2191	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3256	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2192		3257
2193	Queries can fail, so check the return code. Or don't, as queries will become	3258	Queries can fail, so check the return code. Or don't, as queries will
2194	reliable at some point in the future.	3259	become reliable at some point in the future.
2195		3260
2196	=cut	3261	=cut
2197		3262
2198	sub cf::client::query {	3263	sub cf::client::query {
2199	my ($self, $flags, $text, $cb) = @_;	3264	my ($self, $flags, $text, $cb) = @_;
…		…
2207	utf8::encode $text;	3272	utf8::encode $text;
2208	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3273	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209		3274
2210	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2211	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
		3277
		3278	1
2212	}	3279	}
2213		3280
2214	cf::client->attach (	3281	cf::client->attach (
		3282	on_connect => sub {
		3283	my ($ns) = @_;
		3284
		3285	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3286	},
2215	on_reply => sub {	3287	on_reply => sub {
2216	my ($ns, $msg) = @_;	3288	my ($ns, $msg) = @_;
2217		3289
2218	# this weird shuffling is so that direct followup queries	3290	# this weird shuffling is so that direct followup queries
2219	# get handled first	3291	# get handled first
…		…
2231	} else {	3303	} else {
2232	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3304	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233	}	3305	}
2234	}	3306	}
2235	},	3307	},
		3308	on_exticmd => sub {
		3309	my ($ns, $buf) = @_;
		3310
		3311	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3312
		3313	if (ref $msg) {
		3314	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3315
		3316	if (my $cb = $EXTIACMD{$type}) {
		3317	$cb->(
		3318	$ns,
		3319	sub {
		3320	$ns->ext_msg ("reply-$reply", @_)
		3321	if $reply;
		3322	},
		3323	@payload
		3324	);
		3325	} else {
		3326	my @reply;
		3327
		3328	if (my $cb = $EXTICMD{$type}) {
		3329	@reply = $cb->($ns, @payload);
		3330	}
		3331
		3332	$ns->ext_msg ("reply-$reply", @reply)
		3333	if $reply;
		3334	}
		3335	} else {
		3336	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3337	}
		3338
		3339	cf::override;
		3340	},
2236	);	3341	);
2237		3342
2238	=item $client->async (\&cb)	3343	=item $client->async (\&cb)
2239		3344
2240	Create a new coroutine, running the specified callback. The coroutine will	3345	Create a new coroutine, running the specified callback. The coroutine will
…		…
2256		3361
2257	$coro	3362	$coro
2258	}	3363	}
2259		3364
2260	cf::client->attach (	3365	cf::client->attach (
2261	on_destroy => sub {	3366	on_client_destroy => sub {
2262	my ($ns) = @_;	3367	my ($ns) = @_;
2263		3368
2264	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3369	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2265	},	3370	},
2266	);	3371	);
…		…
2281	our $safe = new Safe "safe";	3386	our $safe = new Safe "safe";
2282	our $safe_hole = new Safe::Hole;	3387	our $safe_hole = new Safe::Hole;
2283		3388
2284	$SIG{FPE} = 'IGNORE';	3389	$SIG{FPE} = 'IGNORE';
2285		3390
2286	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3391	$safe->permit_only (Opcode::opset qw(
		3392	:base_core :base_mem :base_orig :base_math :base_loop
		3393	grepstart grepwhile mapstart mapwhile
		3394	sort time
		3395	));
2287		3396
2288	# here we export the classes and methods available to script code	3397	# here we export the classes and methods available to script code
2289		3398
2290	=pod	3399	=pod
2291		3400
2292	The following functions and methods are available within a safe environment:	3401	The following functions and methods are available within a safe environment:
2293		3402
2294	cf::object contr pay_amount pay_player map	3403	cf::object
		3404	contr pay_amount pay_player map x y force_find force_add destroy
		3405	insert remove name archname title slaying race decrease split
		3406	value
		3407
2295	cf::object::player player	3408	cf::object::player
2296	cf::player peaceful	3409	player
2297	cf::map trigger	3410
		3411	cf::player
		3412	peaceful
		3413
		3414	cf::map
		3415	trigger
2298		3416
2299	=cut	3417	=cut
2300		3418
2301	for (	3419	for (
2302	["cf::object" => qw(contr pay_amount pay_player map)],	3420	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3421	insert remove inv nrof name archname title slaying race
		3422	decrease split destroy change_exp value msg lore send_msg)],
2303	["cf::object::player" => qw(player)],	3423	["cf::object::player" => qw(player)],
2304	["cf::player" => qw(peaceful)],	3424	["cf::player" => qw(peaceful send_msg)],
2305	["cf::map" => qw(trigger)],	3425	["cf::map" => qw(trigger)],
2306	) {	3426	) {
2307	no strict 'refs';
2308	my ($pkg, @funs) = @$_;	3427	my ($pkg, @funs) = @$_;
2309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3428	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2310	for @funs;	3429	for @funs;
2311	}	3430	}
2312		3431
…		…
2327		3446
2328	my $qcode = $code;	3447	my $qcode = $code;
2329	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3448	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2330	$qcode =~ s/\n/\\n/g;	3449	$qcode =~ s/\n/\\n/g;
2331		3450
		3451	%vars = (_dummy => 0) unless %vars;
		3452
		3453	my @res;
2332	local $_;	3454	local $_;
2333	local @safe::cf::_safe_eval_args = values %vars;
2334		3455
2335	my $eval =	3456	my $eval =
2336	"do {\n"	3457	"do {\n"
2337	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3458	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2338	. "#line 0 \"{$qcode}\"\n"	3459	. "#line 0 \"{$qcode}\"\n"
2339	. $code	3460	. $code
2340	. "\n}"	3461	. "\n}"
2341	;	3462	;
2342		3463
		3464	if ($CFG{safe_eval}) {
2343	sub_generation_inc;	3465	sub_generation_inc;
		3466	local @safe::cf::_safe_eval_args = values %vars;
2344	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3467	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2345	sub_generation_inc;	3468	sub_generation_inc;
		3469	} else {
		3470	local @cf::_safe_eval_args = values %vars;
		3471	@res = wantarray ? eval eval : scalar eval $eval;
		3472	}
2346		3473
2347	if ($@) {	3474	if ($@) {
2348	warn "$@";	3475	warn "$@",
2349	warn "while executing safe code '$code'\n";	3476	"while executing safe code '$code'\n",
2350	warn "with arguments " . (join " ", %vars) . "\n";	3477	"with arguments " . (join " ", %vars) . "\n";
2351	}	3478	}
2352		3479
2353	wantarray ? @res : $res[0]	3480	wantarray ? @res : $res[0]
2354	}	3481	}
2355		3482
…		…
2369	=cut	3496	=cut
2370		3497
2371	sub register_script_function {	3498	sub register_script_function {
2372	my ($fun, $cb) = @_;	3499	my ($fun, $cb) = @_;
2373		3500
2374	no strict 'refs';	3501	$fun = "safe::$fun" if $CFG{safe_eval};
2375	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3502	*$fun = $safe_hole->wrap ($cb);
2376	}	3503	}
2377		3504
2378	=back	3505	=back
2379		3506
2380	=cut	3507	=cut
2381
2382	#############################################################################
2383
2384	=head2 EXTENSION DATABASE SUPPORT
2385
2386	Crossfire maintains a very simple database for extension use. It can
2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2388	convert to/from binary).
2389
2390	The parameter C<$family> should best start with the name of the extension
2391	using it, it should be unique.
2392
2393	=over 4
2394
2395	=item $value = cf::db_get $family => $key
2396
2397	Returns a single value from the database.
2398
2399	=item cf::db_put $family => $key => $value
2400
2401	Stores the given C<$value> in the family.
2402
2403	=cut
2404
2405	our $DB;
2406
2407	sub db_init {
2408	unless ($DB) {
2409	$DB = BDB::db_create $DB_ENV;
2410
2411	cf::sync_job {
2412	eval {
2413	$DB->set_flags (BDB::CHKSUM);
2414
2415	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2417	cf::cleanup "db_open(db): $!" if $!;
2418	};
2419	cf::cleanup "db_open(db): $@" if $@;
2420	};
2421	}
2422	}
2423
2424	sub db_get($$) {
2425	my $key = "$_[0]/$_[1]";
2426
2427	cf::sync_job {
2428	BDB::db_get $DB, undef, $key, my $data;
2429
2430	$! ? ()
2431	: $data
2432	}
2433	}
2434
2435	sub db_put($$$) {
2436	BDB::dbreq_pri 4;
2437	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2438	}
2439
2440	=item cf::cache $id => [$paths...], $processversion => $process
2441
2442	Generic caching function that returns the value of the resource $id,
2443	caching and regenerating as required.
2444
2445	This function can block.
2446
2447	=cut
2448
2449	sub cache {
2450	my ($id, $src, $processversion, $process) = @_;
2451
2452	my $meta =
2453	join "\x00",
2454	$processversion,
2455	map {
2456	aio_stat $_
2457	and Carp::croak "$_: $!";
2458
2459	($_, (stat _)[7,9])
2460	} @$src;
2461
2462	my $dbmeta = db_get cache => "$id/meta";
2463	if ($dbmeta ne $meta) {
2464	# changed, we may need to process
2465
2466	my @data;
2467	my $md5;
2468
2469	for (0 .. $#$src) {
2470	0 <= aio_load $src->[$_], $data[$_]
2471	or Carp::croak "$src->[$_]: $!";
2472	}
2473
2474	# if processing is expensive, check
2475	# checksum first
2476	if (1) {
2477	$md5 =
2478	join "\x00",
2479	$processversion,
2480	map {
2481	Coro::cede;
2482	($src->[$_], Digest::MD5::md5_hex $data[$_])
2483	} 0.. $#$src;
2484
2485
2486	my $dbmd5 = db_get cache => "$id/md5";
2487	if ($dbmd5 eq $md5) {
2488	db_put cache => "$id/meta", $meta;
2489
2490	return db_get cache => "$id/data";
2491	}
2492	}
2493
2494	my $t1 = Time::HiRes::time;
2495	my $data = $process->(\@data);
2496	my $t2 = Time::HiRes::time;
2497
2498	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2499
2500	db_put cache => "$id/data", $data;
2501	db_put cache => "$id/md5" , $md5;
2502	db_put cache => "$id/meta", $meta;
2503
2504	return $data;
2505	}
2506
2507	db_get cache => "$id/data"
2508	}
2509
2510	=item fork_call { }, $args
2511
2512	Executes the given code block with the given arguments in a seperate
2513	process, returning the results. Everything must be serialisable with
2514	Coro::Storable. May, of course, block. Note that the executed sub may
2515	never block itself or use any form of Event handling.
2516
2517	=cut
2518
2519	sub fork_call(&@) {
2520	my ($cb, @args) = @_;
2521
2522	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2523	# or die "socketpair: $!";
2524	pipe my $fh1, my $fh2
2525	or die "pipe: $!";
2526
2527	if (my $pid = fork) {
2528	close $fh2;
2529
2530	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2531	$res = Coro::Storable::thaw $res;
2532
2533	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2534
2535	die $$res unless "ARRAY" eq ref $res;
2536
2537	return wantarray ? @$res : $res->[-1];
2538	} else {
2539	reset_signals;
2540	local $SIG{__WARN__};
2541	local $SIG{__DIE__};
2542	eval {
2543	close $fh1;
2544
2545	my @res = eval { $cb->(@args) };
2546	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2547	};
2548
2549	warn $@ if $@;
2550	_exit 0;
2551	}
2552	}
2553		3508
2554	#############################################################################	3509	#############################################################################
2555	# the server's init and main functions	3510	# the server's init and main functions
2556		3511
		3512	{
		3513	package cf::face;
		3514
		3515	our %HASH; # hash => idx
		3516	our @DATA; # dynamically-created facedata, only faceste 0 used
		3517	our @FOFS; # file offset, if > 0
		3518	our @SIZE; # size of face, in octets
		3519	our @META; # meta hash of face, if any
		3520	our $DATAFH; # facedata filehandle
		3521
		3522	# internal api, not finalised
		3523	sub set {
		3524	my ($name, $type, $data) = @_;
		3525
		3526	my $idx = cf::face::find $name;
		3527
		3528	if ($idx) {
		3529	delete $HASH{cf::face::get_csum $idx};
		3530	} else {
		3531	$idx = cf::face::alloc $name;
		3532	}
		3533
		3534	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3535
		3536	cf::face::set_type $idx, $type;
		3537	cf::face::set_csum $idx, 0, $hash;
		3538
		3539	# we need to destroy the SV itself, not just modify it, as a running ix
		3540	# might hold a reference to it: "delete" achieves that.
		3541	delete $FOFS[0][$idx];
		3542	delete $DATA[0][$idx];
		3543	$DATA[0][$idx] = $data;
		3544	$SIZE[0][$idx] = length $data;
		3545	delete $META[$idx];
		3546	$HASH{$hash} = $idx;#d#
		3547
		3548	$idx
		3549	}
		3550
		3551	sub _get_data($$$) {
		3552	my ($idx, $set, $cb) = @_;
		3553
		3554	if (defined $DATA[$set][$idx]) {
		3555	$cb->($DATA[$set][$idx]);
		3556	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3557	my $size = $SIZE[$set][$idx];
		3558	my $buf;
		3559	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3560	if ($_[0] == $size) {
		3561	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3562	$cb->($buf);
		3563	} else {
		3564	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3565	}
		3566	};
		3567	} else {
		3568	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3569	}
		3570	}
		3571
		3572	# rather ineffient
		3573	sub cf::face::get_data($;$) {
		3574	my ($idx, $set) = @_;
		3575
		3576	_get_data $idx, $set, Coro::rouse_cb;
		3577	Coro::rouse_wait
		3578	}
		3579
		3580	sub cf::face::ix {
		3581	my ($ns, $set, $idx, $pri) = @_;
		3582
		3583	_get_data $idx, $set, sub {
		3584	$ns->ix_send ($idx, $pri, $_[0]);
		3585	};
		3586	}
		3587	}
		3588
2557	sub load_facedata($) {	3589	sub load_facedata($) {
2558	my ($path) = @_;	3590	my ($path) = @_;
2559		3591
		3592	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3593
2560	warn "loading facedata from $path\n";	3594	trace "loading facedata from $path\n";
2561		3595
2562	my $facedata;	3596	my $facedata = decode_storable load_file "$path/faceinfo";
2563	0 < aio_load $path, $facedata
2564	or die "$path: $!";
2565
2566	$facedata = Coro::Storable::thaw $facedata;
2567		3597
2568	$facedata->{version} == 2	3598	$facedata->{version} == 2
2569	or cf::cleanup "$path: version mismatch, cannot proceed.";	3599	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3600
		3601	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3602	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3603
		3604	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3605
		3606	# BEGIN ATOMIC
		3607	# from here on, everything must be atomic - no thread switch allowed
		3608	my $t1 = EV::time;
2570		3609
2571	{	3610	{
2572	my $faces = $facedata->{faceinfo};	3611	my $faces = $facedata->{faceinfo};
2573		3612
2574	while (my ($face, $info) = each %$faces) {	3613	for my $face (sort keys %$faces) {
		3614	my $info = $faces->{$face};
2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3615	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3616
2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3617	cf::face::set_visibility $idx, $info->{visibility};
2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3618	cf::face::set_magicmap $idx, $info->{magicmap};
2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3619	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2579	Coro::cede;	3620	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3621	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3622	$cf::face::HASH{$info->{hash64}} = $idx;
		3623	delete $cf::face::META[$idx];
2580	}	3624	}
2581		3625
2582	while (my ($face, $info) = each %$faces) {	3626	while (my ($face, $info) = each %$faces) {
2583	next unless $info->{smooth};	3627	next unless $info->{smooth};
		3628
2584	my $idx = cf::face::find $face	3629	my $idx = cf::face::find $face
2585	or next;	3630	or next;
		3631
2586	if (my $smooth = cf::face::find $info->{smooth}) {	3632	if (my $smooth = cf::face::find $info->{smooth}) {
		3633	cf::face::set_smooth $idx, $smooth;
2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3634	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588	} else {	3635	} else {
2589	warn "smooth face '$info->{smooth}' not found for face '$face'";	3636	error "smooth face '$info->{smooth}' not found for face '$face'";
2590	}	3637	}
2591	Coro::cede;
2592	}	3638	}
2593	}	3639	}
2594		3640
2595	{	3641	{
2596	my $anims = $facedata->{animinfo};	3642	my $anims = $facedata->{animinfo};
2597		3643
2598	while (my ($anim, $info) = each %$anims) {	3644	while (my ($anim, $info) = each %$anims) {
2599	cf::anim::set $anim, $info->{frames}, $info->{facings};	3645	cf::anim::set $anim, $info->{frames}, $info->{facings};
2600	Coro::cede;
2601	}	3646	}
2602		3647
2603	cf::anim::invalidate_all; # d'oh	3648	cf::anim::invalidate_all; # d'oh
2604	}	3649	}
2605		3650
		3651	{
		3652	my $res = $facedata->{resource};
		3653
		3654	while (my ($name, $info) = each %$res) {
		3655	if (defined (my $type = $info->{type})) {
		3656	# TODO: different hash - must free and use new index, or cache ixface data queue
		3657	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3658
		3659	cf::face::set_type $idx, $type;
		3660	cf::face::set_csum $idx, 0, $info->{hash};
		3661	$cf::face::SIZE[0][$idx] = $info->{size};
		3662	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3663	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3664	$cf::face::HASH{$info->{hash}} = $idx;
		3665	} else {
		3666	# $RESOURCE{$name} = $info; # unused
		3667	}
		3668	}
		3669	}
		3670
		3671	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3672
		3673	# HACK to clear player env face cache, we need some signal framework
		3674	# for this (global event?)
		3675	%ext::player_env::MUSIC_FACE_CACHE = ();
		3676
		3677	# END ATOMIC
		3678
		3679	cf::debug "facedata atomic update time ", EV::time - $t1;
		3680
		3681	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3682
		3683	aio_close $fh if $fh; # close old facedata
		3684
2606	1	3685	1
2607	}	3686	}
2608		3687
		3688	register_exticmd fx_want => sub {
		3689	my ($ns, $want) = @_;
		3690
		3691	while (my ($k, $v) = each %$want) {
		3692	$ns->fx_want ($k, $v);
		3693	}
		3694	};
		3695
		3696	sub load_resource_file($) {
		3697	my $guard = lock_acquire "load_resource_file";
		3698
		3699	my $status = load_resource_file_ $_[0];
		3700	get_slot 0.1, 100;
		3701	cf::arch::commit_load;
		3702
		3703	$status
		3704	}
		3705
		3706	sub reload_exp_table {
		3707	_reload_exp_table;
		3708
		3709	cf::face::set
		3710	"res/exp_table" => FT_RSRC,
		3711	JSON::XS->new->utf8->canonical->encode (
		3712	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3713	);
		3714	}
		3715
		3716	sub reload_materials {
		3717	_reload_materials;
		3718	}
		3719
2609	sub reload_regions {	3720	sub reload_regions {
		3721	# HACK to clear player env face cache, we need some signal framework
		3722	# for this (global event?)
		3723	%ext::player_env::MUSIC_FACE_CACHE = ();
		3724
2610	load_resource_file "$MAPDIR/regions"	3725	load_resource_file "$MAPDIR/regions"
2611	or die "unable to load regions file\n";	3726	or die "unable to load regions file\n";
		3727
		3728	for (cf::region::list) {
		3729	$_->{match} = qr/$_->{match}/
		3730	if exists $_->{match};
		3731	}
2612	}	3732	}
2613		3733
2614	sub reload_facedata {	3734	sub reload_facedata {
2615	load_facedata "$DATADIR/facedata"	3735	load_facedata $DATADIR
2616	or die "unable to load facedata\n";	3736	or die "unable to load facedata\n";
2617	}	3737	}
2618		3738
2619	sub reload_archetypes {	3739	sub reload_archetypes {
2620	load_resource_file "$DATADIR/archetypes"	3740	load_resource_file "$DATADIR/archetypes"
2621	or die "unable to load archetypes\n";	3741	or die "unable to load archetypes\n";
		3742
		3743	cf::face::set
		3744	"res/skill_info" => FT_RSRC,
		3745	JSON::XS->new->utf8->canonical->encode (
		3746	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3747	);
		3748
		3749	cf::face::set
		3750	"res/spell_paths" => FT_RSRC,
		3751	JSON::XS->new->utf8->canonical->encode (
		3752	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3753	);
2622	}	3754	}
2623		3755
2624	sub reload_treasures {	3756	sub reload_treasures {
2625	load_resource_file "$DATADIR/treasures"	3757	load_resource_file "$DATADIR/treasures"
2626	or die "unable to load treasurelists\n";	3758	or die "unable to load treasurelists\n";
2627	}	3759	}
2628		3760
		3761	sub reload_sound {
		3762	trace "loading sound config from $DATADIR/sound\n";
		3763
		3764	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3765
		3766	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3767	my $sound = $soundconf->{compat}[$_]
		3768	or next;
		3769
		3770	my $face = cf::face::find "sound/$sound->[1]";
		3771	cf::sound::set $sound->[0] => $face;
		3772	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3773	}
		3774
		3775	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3776	my $face = cf::face::find "sound/$v";
		3777	cf::sound::set $k => $face;
		3778	}
		3779	}
		3780
2629	sub reload_resources {	3781	sub reload_resources {
2630	warn "reloading resource files...\n";	3782	trace "reloading resource files...\n";
2631		3783
		3784	reload_materials;
		3785	reload_facedata;
		3786	reload_exp_table;
		3787	reload_sound;
		3788	reload_archetypes;
2632	reload_regions;	3789	reload_regions;
2633	reload_facedata;
2634	#reload_archetypes;#d#
2635	reload_archetypes;
2636	reload_treasures;	3790	reload_treasures;
2637		3791
2638	warn "finished reloading resource files\n";	3792	trace "finished reloading resource files\n";
2639	}	3793	}
2640		3794
2641	sub init {	3795	sub reload_config {
2642	reload_resources;	3796	trace "reloading config file...\n";
2643	}
2644		3797
2645	sub cfg_load {	3798	my $config = load_file "$CONFDIR/config";
2646	open my $fh, "<:utf8", "$CONFDIR/config"	3799	utf8::decode $config;
2647	or return;	3800	*CFG = decode_yaml $config;
2648		3801
2649	local $/;
2650	*CFG = YAML::Syck::Load <$fh>;
2651
2652	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3802	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2653		3803
2654	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3804	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2655	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3805	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2656		3806
2657	if (exists $CFG{mlockall}) {	3807	if (exists $CFG{mlockall}) {
…		…
2661	};	3811	};
2662	warn $@ if $@;	3812	warn $@ if $@;
2663	}	3813	}
2664	}	3814	}
2665		3815
		3816	sub pidfile() {
		3817	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3818	or die "$PIDFILE: $!";
		3819	flock $fh, &Fcntl::LOCK_EX
		3820	or die "$PIDFILE: flock: $!";
		3821	$fh
		3822	}
		3823
		3824	# make sure only one server instance is running at any one time
		3825	sub atomic {
		3826	my $fh = pidfile;
		3827
		3828	my $pid = <$fh>;
		3829	kill 9, $pid if $pid > 0;
		3830
		3831	seek $fh, 0, 0;
		3832	print $fh $$;
		3833	}
		3834
		3835	sub main_loop {
		3836	trace "EV::loop starting\n";
		3837	if (1) {
		3838	EV::loop;
		3839	}
		3840	trace "EV::loop returned\n";
		3841	goto &main_loop unless $REALLY_UNLOOP;
		3842	}
		3843
2666	sub main {	3844	sub main {
		3845	cf::init_globals; # initialise logging
		3846
		3847	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3848	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3849	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3850	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3851
		3852	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3853
2667	# we must not ever block the main coroutine	3854	# we must not ever block the main coroutine
2668	local $Coro::idle = sub {	3855	$Coro::idle = sub {
2669	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3856	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2670	(async {	3857	(async {
2671	Event::one_event;	3858	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3859	EV::loop EV::LOOP_ONESHOT;
2672	})->prio (Coro::PRIO_MAX);	3860	})->prio (Coro::PRIO_MAX);
2673	};	3861	};
2674		3862
2675	cfg_load;	3863	evthread_start IO::AIO::poll_fileno;
		3864
		3865	cf::sync_job {
		3866	cf::incloader::init ();
		3867
2676	db_init;	3868	db_init;
		3869
		3870	cf::init_anim;
		3871	cf::init_attackmess;
		3872	cf::init_dynamic;
		3873
		3874	cf::load_settings;
		3875
		3876	reload_resources;
		3877	reload_config;
		3878
		3879	cf::init_uuid;
		3880	cf::init_signals;
		3881	cf::init_skills;
		3882
		3883	cf::init_beforeplay;
		3884
		3885	atomic;
		3886
2677	load_extensions;	3887	load_extensions;
2678		3888
2679	$TICK_WATCHER->start;	3889	utime time, time, $RUNTIMEFILE;
2680	Event::loop;	3890
		3891	# no (long-running) fork's whatsoever before this point(!)
		3892	use POSIX ();
		3893	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3894
		3895	cf::_post_init 0;
		3896	};
		3897
		3898	cf::object::thawer::errors_are_fatal 0;
		3899	info "parse errors in files are no longer fatal from this point on.\n";
		3900
		3901	AE::postpone {
		3902	undef &main; # free gobs of memory :)
		3903	};
		3904
		3905	goto &main_loop;
2681	}	3906	}
2682		3907
2683	#############################################################################	3908	#############################################################################
2684	# initialisation and cleanup	3909	# initialisation and cleanup
2685		3910
2686	# install some emergency cleanup handlers	3911	# install some emergency cleanup handlers
2687	BEGIN {	3912	BEGIN {
		3913	our %SIGWATCHER = ();
2688	for my $signal (qw(INT HUP TERM)) {	3914	for my $signal (qw(INT HUP TERM)) {
2689	Event->signal (	3915	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2690	reentrant => 0,
2691	data => WF_AUTOCANCEL,
2692	signal => $signal,
2693	prio => 0,
2694	cb => sub {
2695	cf::cleanup "SIG$signal";	3916	cf::cleanup "SIG$signal";
2696	},
2697	);	3917	};
		3918	}
		3919	}
		3920
		3921	sub write_runtime_sync {
		3922	my $t0 = AE::time;
		3923
		3924	# first touch the runtime file to show we are still running:
		3925	# the fsync below can take a very very long time.
		3926
		3927	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3928
		3929	my $guard = cf::lock_acquire "write_runtime";
		3930
		3931	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3932	or return;
		3933
		3934	my $value = $cf::RUNTIME + 90 + 10;
		3935	# 10 is the runtime save interval, for a monotonic clock
		3936	# 60 allows for the watchdog to kill the server.
		3937
		3938	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3939	and return;
		3940
		3941	# always fsync - this file is important
		3942	aio_fsync $fh
		3943	and return;
		3944
		3945	# touch it again to show we are up-to-date
		3946	aio_utime $fh, undef, undef;
		3947
		3948	close $fh
		3949	or return;
		3950
		3951	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3952	and return;
		3953
		3954	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3955
2698	}	3956	1
		3957	}
		3958
		3959	our $uuid_lock;
		3960	our $uuid_skip;
		3961
		3962	sub write_uuid_sync($) {
		3963	$uuid_skip ||= $_[0];
		3964
		3965	return if $uuid_lock;
		3966	local $uuid_lock = 1;
		3967
		3968	my $uuid = "$LOCALDIR/uuid";
		3969
		3970	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3971	or return;
		3972
		3973	my $value = uuid_seq uuid_cur;
		3974
		3975	unless ($value) {
		3976	info "cowardly refusing to write zero uuid value!\n";
		3977	return;
		3978	}
		3979
		3980	my $value = uuid_str $value + $uuid_skip;
		3981	$uuid_skip = 0;
		3982
		3983	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3984	and return;
		3985
		3986	# always fsync - this file is important
		3987	aio_fsync $fh
		3988	and return;
		3989
		3990	close $fh
		3991	or return;
		3992
		3993	aio_rename "$uuid~", $uuid
		3994	and return;
		3995
		3996	trace "uuid file written ($value).\n";
		3997
		3998	1
		3999
		4000	}
		4001
		4002	sub write_uuid($$) {
		4003	my ($skip, $sync) = @_;
		4004
		4005	$sync ? write_uuid_sync $skip
		4006	: async { write_uuid_sync $skip };
2699	}	4007	}
2700		4008
2701	sub emergency_save() {	4009	sub emergency_save() {
2702	my $freeze_guard = cf::freeze_mainloop;	4010	my $freeze_guard = cf::freeze_mainloop;
2703		4011
2704	warn "enter emergency perl save\n";	4012	info "emergency_perl_save: enter\n";
		4013
		4014	# this is a trade-off: we want to be very quick here, so
		4015	# save all maps without fsync, and later call a global sync
		4016	# (which in turn might be very very slow)
		4017	local $USE_FSYNC = 0;
2705		4018
2706	cf::sync_job {	4019	cf::sync_job {
		4020	cf::write_runtime_sync; # external watchdog should not bark
		4021
2707	# use a peculiar iteration method to avoid tripping on perl	4022	# use a peculiar iteration method to avoid tripping on perl
2708	# refcount bugs in for. also avoids problems with players	4023	# refcount bugs in for. also avoids problems with players
2709	# and maps saved/destroyed asynchronously.	4024	# and maps saved/destroyed asynchronously.
2710	warn "begin emergency player save\n";	4025	info "emergency_perl_save: begin player save\n";
2711	for my $login (keys %cf::PLAYER) {	4026	for my $login (keys %cf::PLAYER) {
2712	my $pl = $cf::PLAYER{$login} or next;	4027	my $pl = $cf::PLAYER{$login} or next;
2713	$pl->valid or next;	4028	$pl->valid or next;
		4029	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2714	$pl->save;	4030	$pl->save;
2715	}	4031	}
2716	warn "end emergency player save\n";	4032	info "emergency_perl_save: end player save\n";
2717		4033
2718	warn "begin emergency map save\n";	4034	cf::write_runtime_sync; # external watchdog should not bark
		4035
		4036	info "emergency_perl_save: begin map save\n";
2719	for my $path (keys %cf::MAP) {	4037	for my $path (keys %cf::MAP) {
2720	my $map = $cf::MAP{$path} or next;	4038	my $map = $cf::MAP{$path} or next;
2721	$map->valid or next;	4039	$map->valid or next;
2722	$map->save;	4040	$map->save;
2723	}	4041	}
2724	warn "end emergency map save\n";	4042	info "emergency_perl_save: end map save\n";
2725		4043
2726	warn "begin emergency database checkpoint\n";	4044	cf::write_runtime_sync; # external watchdog should not bark
		4045
		4046	info "emergency_perl_save: begin database checkpoint\n";
2727	BDB::db_env_txn_checkpoint $DB_ENV;	4047	BDB::db_env_txn_checkpoint $DB_ENV;
2728	warn "end emergency database checkpoint\n";	4048	info "emergency_perl_save: end database checkpoint\n";
		4049
		4050	info "emergency_perl_save: begin write uuid\n";
		4051	write_uuid_sync 1;
		4052	info "emergency_perl_save: end write uuid\n";
		4053
		4054	cf::write_runtime_sync; # external watchdog should not bark
		4055
		4056	trace "emergency_perl_save: syncing database to disk";
		4057	BDB::db_env_txn_checkpoint $DB_ENV;
		4058
		4059	info "emergency_perl_save: starting sync\n";
		4060	IO::AIO::aio_sync sub {
		4061	info "emergency_perl_save: finished sync\n";
		4062	};
		4063
		4064	cf::write_runtime_sync; # external watchdog should not bark
		4065
		4066	trace "emergency_perl_save: flushing outstanding aio requests";
		4067	while (IO::AIO::nreqs || BDB::nreqs) {
		4068	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4069	}
		4070
		4071	cf::write_runtime_sync; # external watchdog should not bark
2729	};	4072	};
2730		4073
2731	warn "leave emergency perl save\n";	4074	info "emergency_perl_save: leave\n";
2732	}	4075	}
2733		4076
2734	sub post_cleanup {	4077	sub post_cleanup {
2735	my ($make_core) = @_;	4078	my ($make_core) = @_;
2736		4079
		4080	IO::AIO::flush;
		4081
2737	warn Carp::longmess "post_cleanup backtrace"	4082	error Carp::longmess "post_cleanup backtrace"
2738	if $make_core;	4083	if $make_core;
		4084
		4085	my $fh = pidfile;
		4086	unlink $PIDFILE if <$fh> == $$;
		4087	}
		4088
		4089	# a safer delete_package, copied from Symbol
		4090	sub clear_package($) {
		4091	my $pkg = shift;
		4092
		4093	# expand to full symbol table name if needed
		4094	unless ($pkg =~ /^main::.*::$/) {
		4095	$pkg = "main$pkg" if $pkg =~ /^::/;
		4096	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4097	$pkg .= '::' unless $pkg =~ /::$/;
		4098	}
		4099
		4100	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4101	my $stem_symtab = *{$stem}{HASH};
		4102
		4103	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4104	or return;
		4105
		4106	# clear all symbols
		4107	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4108	for my $name (keys %$leaf_symtab) {
		4109	_gv_clear *{"$pkg$name"};
		4110	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4111	}
2739	}	4112	}
2740		4113
2741	sub do_reload_perl() {	4114	sub do_reload_perl() {
2742	# can/must only be called in main	4115	# can/must only be called in main
2743	if ($Coro::current != $Coro::main) {	4116	unless (in_main) {
2744	warn "can only reload from main coroutine";	4117	error "can only reload from main coroutine";
2745	return;	4118	return;
2746	}	4119	}
2747		4120
2748	warn "reloading...";	4121	return if $RELOAD++;
2749		4122
2750	warn "entering sync_job";	4123	my $t1 = AE::time;
2751		4124
		4125	while ($RELOAD) {
		4126	cf::get_slot 0.1, -1, "reload_perl";
		4127	info "perl_reload: reloading...";
		4128
		4129	trace "perl_reload: entering sync_job";
		4130
2752	cf::sync_job {	4131	cf::sync_job {
2753	cf::write_runtime; # external watchdog should not bark
2754	cf::emergency_save;	4132	#cf::emergency_save;
2755	cf::write_runtime; # external watchdog should not bark
2756		4133
2757	warn "syncing database to disk";
2758	BDB::db_env_txn_checkpoint $DB_ENV;
2759
2760	# if anything goes wrong in here, we should simply crash as we already saved
2761
2762	warn "cancelling all WF_AUTOCANCEL watchers";
2763	for (Event::all_watchers) {
2764	$_->cancel if $_->data & WF_AUTOCANCEL;
2765	}
2766
2767	warn "flushing outstanding aio requests";
2768	for (;;) {
2769	BDB::flush;
2770	IO::AIO::flush;
2771	Coro::cede;
2772	last unless IO::AIO::nreqs || BDB::nreqs;
2773	warn "iterate...";
2774	}
2775
2776	++$RELOAD;
2777
2778	warn "cancelling all extension coros";	4134	trace "perl_reload: cancelling all extension coros";
2779	$_->cancel for values %EXT_CORO;	4135	$_->cancel for values %EXT_CORO;
2780	%EXT_CORO = ();	4136	%EXT_CORO = ();
2781		4137
2782	warn "removing commands";	4138	trace "perl_reload: removing commands";
2783	%COMMAND = ();	4139	%COMMAND = ();
2784		4140
2785	warn "removing ext commands";	4141	trace "perl_reload: removing ext/exti commands";
2786	%EXTCMD = ();	4142	%EXTCMD = ();
		4143	%EXTICMD = ();
2787		4144
2788	warn "unloading/nuking all extensions";	4145	trace "perl_reload: unloading/nuking all extensions";
2789	for my $pkg (@EXTS) {	4146	for my $pkg (@EXTS) {
2790	warn "... unloading $pkg";	4147	trace "... unloading $pkg";
2791		4148
2792	if (my $cb = $pkg->can ("unload")) {	4149	if (my $cb = $pkg->can ("unload")) {
2793	eval {	4150	eval {
2794	$cb->($pkg);	4151	$cb->($pkg);
2795	1	4152	1
2796	} or warn "$pkg unloaded, but with errors: $@";	4153	} or error "$pkg unloaded, but with errors: $@";
		4154	}
		4155
		4156	trace "... clearing $pkg";
		4157	clear_package $pkg;
2797	}	4158	}
2798		4159
2799	warn "... nuking $pkg";
2800	Symbol::delete_package $pkg;
2801	}
2802
2803	warn "unloading all perl modules loaded from $LIBDIR";	4160	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2804	while (my ($k, $v) = each %INC) {	4161	while (my ($k, $v) = each %INC) {
2805	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4162	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2806		4163
2807	warn "... unloading $k";	4164	trace "... unloading $k";
2808	delete $INC{$k};	4165	delete $INC{$k};
2809		4166
2810	$k =~ s/\.pm$//;	4167	$k =~ s/\.pm$//;
2811	$k =~ s/\//::/g;	4168	$k =~ s/\//::/g;
2812		4169
2813	if (my $cb = $k->can ("unload_module")) {	4170	if (my $cb = $k->can ("unload_module")) {
2814	$cb->();	4171	$cb->();
		4172	}
		4173
		4174	clear_package $k;
2815	}	4175	}
2816		4176
2817	Symbol::delete_package $k;
2818	}
2819
2820	warn "getting rid of safe::, as good as possible";	4177	trace "perl_reload: getting rid of safe::, as good as possible";
2821	Symbol::delete_package "safe::$_"	4178	clear_package "safe::$_"
2822	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4179	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2823		4180
2824	warn "unloading cf.pm \"a bit\"";	4181	trace "perl_reload: unloading cf.pm \"a bit\"";
2825	delete $INC{"cf.pm"};	4182	delete $INC{"cf.pm"};
2826	delete $INC{"cf/pod.pm"};	4183	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2827		4184
2828	# don't, removes xs symbols, too,	4185	# don't, removes xs symbols, too,
2829	# and global variables created in xs	4186	# and global variables created in xs
2830	#Symbol::delete_package __PACKAGE__;	4187	#clear_package __PACKAGE__;
2831		4188
2832	warn "unload completed, starting to reload now";	4189	info "perl_reload: unload completed, starting to reload now";
2833		4190
2834	warn "reloading cf.pm";	4191	trace "perl_reload: reloading cf.pm";
2835	require cf;	4192	require cf;
2836	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4193	cf::_connect_to_perl_1;
2837		4194
2838	warn "loading config and database again";	4195	trace "perl_reload: loading config and database again";
2839	cf::cfg_load;	4196	cf::reload_config;
2840		4197
2841	warn "loading extensions";	4198	trace "perl_reload: loading extensions";
2842	cf::load_extensions;	4199	cf::load_extensions;
2843		4200
		4201	if ($REATTACH_ON_RELOAD) {
2844	warn "reattaching attachments to objects/players";	4202	trace "perl_reload: reattaching attachments to objects/players";
2845	_global_reattach; # objects, sockets	4203	_global_reattach; # objects, sockets
2846	warn "reattaching attachments to maps";	4204	trace "perl_reload: reattaching attachments to maps";
2847	reattach $_ for values %MAP;	4205	reattach $_ for values %MAP;
2848	warn "reattaching attachments to players";	4206	trace "perl_reload: reattaching attachments to players";
2849	reattach $_ for values %PLAYER;	4207	reattach $_ for values %PLAYER;
		4208	}
2850		4209
2851	warn "leaving sync_job";	4210	cf::_post_init 1;
2852		4211
		4212	trace "perl_reload: leaving sync_job";
		4213
2853	1	4214	1
2854	} or do {	4215	} or do {
2855	warn $@;	4216	error $@;
2856	warn "error while reloading, exiting.";	4217	cf::cleanup "perl_reload: error, exiting.";
2857	exit 1;	4218	};
		4219
		4220	--$RELOAD;
2858	};	4221	}
2859		4222
2860	warn "reloaded";	4223	$t1 = AE::time - $t1;
		4224	info "perl_reload: completed in ${t1}s\n";
2861	};	4225	};
2862		4226
2863	our $RELOAD_WATCHER; # used only during reload	4227	our $RELOAD_WATCHER; # used only during reload
2864		4228
2865	sub reload_perl() {	4229	sub reload_perl() {
2866	# doing reload synchronously and two reloads happen back-to-back,	4230	# doing reload synchronously and two reloads happen back-to-back,
2867	# coro crashes during coro_state_free->destroy here.	4231	# coro crashes during coro_state_free->destroy here.
2868		4232
2869	$RELOAD_WATCHER ||= Event->timer (	4233	$RELOAD_WATCHER ||= cf::async {
2870	reentrant => 0,	4234	Coro::AIO::aio_wait cache_extensions;
2871	after => 0,	4235
2872	data => WF_AUTOCANCEL,	4236	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2873	cb => sub {
2874	do_reload_perl;	4237	do_reload_perl;
2875	undef $RELOAD_WATCHER;	4238	undef $RELOAD_WATCHER;
2876	},	4239	};
2877	);	4240	};
2878	}	4241	}
2879		4242
2880	register_command "reload" => sub {	4243	register_command "reload" => sub {
2881	my ($who, $arg) = @_;	4244	my ($who, $arg) = @_;
2882		4245
2883	if ($who->flag (FLAG_WIZ)) {	4246	if ($who->flag (FLAG_WIZ)) {
2884	$who->message ("reloading server.");	4247	$who->message ("reloading server.");
		4248	async {
		4249	$Coro::current->{desc} = "perl_reload";
2885	async { reload_perl };	4250	reload_perl;
		4251	};
2886	}	4252	}
2887	};	4253	};
2888		4254
2889	unshift @INC, $LIBDIR;	4255	#############################################################################
2890		4256
2891	my $bug_warning = 0;	4257	my $bug_warning = 0;
2892		4258
2893	our @WAIT_FOR_TICK;
2894	our @WAIT_FOR_TICK_BEGIN;
2895
2896	sub wait_for_tick {	4259	sub wait_for_tick() {
2897	return unless $TICK_WATCHER->is_active;	4260	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2898	return if $Coro::current == $Coro::main;
2899		4261
2900	my $signal = new Coro::Signal;	4262	$WAIT_FOR_TICK->wait;
2901	push @WAIT_FOR_TICK, $signal;
2902	$signal->wait;
2903	}	4263	}
2904		4264
2905	sub wait_for_tick_begin {	4265	sub wait_for_tick_begin() {
2906	return unless $TICK_WATCHER->is_active;	4266	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2907	return if $Coro::current == $Coro::main;
2908		4267
2909	my $signal = new Coro::Signal;	4268	my $signal = new Coro::Signal;
2910	push @WAIT_FOR_TICK_BEGIN, $signal;	4269	push @WAIT_FOR_TICK_BEGIN, $signal;
2911	$signal->wait;	4270	$signal->wait;
2912	}	4271	}
2913		4272
2914	my $min = 1e6;#d#	4273	sub tick {
2915	my $avg = 10;
2916	$TICK_WATCHER = Event->timer (
2917	reentrant => 0,
2918	parked => 1,
2919	prio => 0,
2920	at => $NEXT_TICK || $TICK,
2921	data => WF_AUTOCANCEL,
2922	cb => sub {
2923	if ($Coro::current != $Coro::main) {	4274	if ($Coro::current != $Coro::main) {
2924	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4275	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2925	unless ++$bug_warning > 10;	4276	unless ++$bug_warning > 10;
2926	return;	4277	return;
2927	}	4278	}
2928		4279
2929	$NOW = $tick_start = Event::time;	4280	cf::one_tick; # one server iteration
2930		4281
2931	cf::server_tick; # one server iteration	4282	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2932		4283
2933	0 && sync_job {#d#	4284	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2934	for(1..10) {	4285	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2935	my $t = Event::time;	4286	Coro::async_pool {
2936	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4287	$Coro::current->{desc} = "runtime saver";
2937	or die;	4288	write_runtime_sync
2938		4289	or error "ERROR: unable to write runtime file: $!";
2939	$map->width (50);
2940	$map->height (50);
2941	$map->alloc;
2942	$map->_load_objects ("/tmp/x.map", 1);
2943	my $t = Event::time - $t;
2944
2945	#next unless $t < 0.0013;#d#
2946	if ($t < $min) {
2947	$min = $t;
2948	}
2949	$avg = $avg * 0.99 + $t * 0.01;
2950	}
2951	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2952	exit 0;
2953	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2954	};	4290	};
		4291	}
2955		4292
2956	$RUNTIME += $TICK;
2957	$NEXT_TICK += $TICK;
2958
2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2960	$NEXT_RUNTIME_WRITE = $NOW + 10;
2961	Coro::async_pool {
2962	write_runtime
2963	or warn "ERROR: unable to write runtime file: $!";
2964	};
2965	}
2966
2967	# my $AFTER = Event::time;
2968	# warn $AFTER - $NOW;#d#
2969
2970	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4293	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2971	$sig->send;	4294	$sig->send;
2972	}	4295	}
2973	while (my $sig = shift @WAIT_FOR_TICK) {	4296	$WAIT_FOR_TICK->broadcast;
2974	$sig->send;
2975	}
2976		4297
2977	$NOW = Event::time;	4298	$LOAD = ($NOW - $TICK_START) / $TICK;
2978
2979	# if we are delayed by four ticks or more, skip them all
2980	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2981
2982	$TICK_WATCHER->at ($NEXT_TICK);
2983	$TICK_WATCHER->start;
2984
2985	$LOAD = ($NOW - $tick_start) / $TICK;
2986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4299	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2987		4300
2988	_post_tick;	4301	if (0) {
2989		4302	if ($NEXT_TICK) {
2990		4303	my $jitter = $TICK_START - $NEXT_TICK;
		4304	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4305	debug "jitter $JITTER\n";#d#
		4306	}
2991	},	4307	}
2992	);	4308	}
2993		4309
2994	{	4310	{
2995	BDB::max_poll_time $TICK * 0.1;	4311	# configure BDB
2996	$BDB_POLL_WATCHER = Event->io (	4312	info "initialising database";
2997	reentrant => 0,	4313
2998	fd => BDB::poll_fileno,
2999	poll => 'r',
3000	prio => 0,
3001	data => WF_AUTOCANCEL,
3002	cb => \&BDB::poll_cb,
3003	);
3004	BDB::min_parallel 8;	4314	BDB::min_parallel 16;
3005		4315	BDB::max_poll_reqs $TICK * 0.1;
3006	BDB::set_sync_prepare {	4316	#$AnyEvent::BDB::WATCHER->priority (1);
3007	my $status;
3008	my $current = $Coro::current;
3009	(
3010	sub {
3011	$status = $!;
3012	$current->ready; undef $current;
3013	},
3014	sub {
3015	Coro::schedule while defined $current;
3016	$! = $status;
3017	},
3018	)
3019	};
3020		4317
3021	unless ($DB_ENV) {	4318	unless ($DB_ENV) {
3022	$DB_ENV = BDB::db_env_create;	4319	$DB_ENV = BDB::db_env_create;
		4320	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4321	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4322	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4323	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4324	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3023		4325
3024	cf::sync_job {	4326	cf::sync_job {
3025	eval {	4327	eval {
3026	BDB::db_env_open	4328	BDB::db_env_open
3027	$DB_ENV,	4329	$DB_ENV,
…		…
3029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4331	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4332	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3031	0666;	4333	0666;
3032		4334
3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4335	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3034
3035	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3036	$DB_ENV->set_lk_detect;
3037	};	4336	};
3038		4337
3039	cf::cleanup "db_env_open(db): $@" if $@;	4338	cf::cleanup "db_env_open(db): $@" if $@;
3040	};	4339	};
3041	}	4340	}
		4341
		4342	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4343	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4344	};
		4345	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4346	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4347	};
		4348	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4349	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4350	};
		4351
		4352	info "database initialised";
3042	}	4353	}
3043		4354
3044	{	4355	{
		4356	# configure IO::AIO
		4357
		4358	info "initialising aio";
3045	IO::AIO::min_parallel 8;	4359	IO::AIO::min_parallel 8;
3046
3047	undef $Coro::AIO::WATCHER;
3048	IO::AIO::max_poll_time $TICK * 0.1;	4360	IO::AIO::max_poll_time $TICK * 0.1;
3049	$AIO_POLL_WATCHER = Event->io (	4361	undef $AnyEvent::AIO::WATCHER;
3050	reentrant => 0,	4362	info "aio initialised";
3051	data => WF_AUTOCANCEL,
3052	fd => IO::AIO::poll_fileno,
3053	poll => 'r',
3054	prio => 6,
3055	cb => \&IO::AIO::poll_cb,
3056	);
3057	}	4363	}
3058		4364
3059	my $_log_backtrace;	4365	our $_log_backtrace;
		4366	our $_log_backtrace_last;
3060		4367
3061	sub _log_backtrace {	4368	sub _log_backtrace {
3062	my ($msg, @addr) = @_;	4369	my ($msg, @addr) = @_;
3063		4370
3064	$msg =~ s/\n//;	4371	$msg =~ s/\n$//;
3065		4372
		4373	if ($_log_backtrace_last eq $msg) {
		4374	LOG llevInfo, "[ABT] $msg\n";
		4375	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3066	# limit the # of concurrent backtraces	4376	# limit the # of concurrent backtraces
3067	if ($_log_backtrace < 2) {	4377	} elsif ($_log_backtrace < 2) {
		4378	$_log_backtrace_last = $msg;
3068	++$_log_backtrace;	4379	++$_log_backtrace;
		4380	my $perl_bt = Carp::longmess $msg;
3069	async {	4381	async {
		4382	$Coro::current->{desc} = "abt $msg";
		4383
3070	my @bt = fork_call {	4384	my @bt = fork_call {
3071	@addr = map { sprintf "%x", $_ } @addr;	4385	@addr = map { sprintf "%x", $_ } @addr;
3072	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4386	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3073	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4387	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3074	or die "addr2line: $!";	4388	or die "addr2line: $!";
…		…
3082	}	4396	}
3083		4397
3084	@funcs	4398	@funcs
3085	};	4399	};
3086		4400
3087	LOG llevInfo, "[ABT] $msg\n";	4401	LOG llevInfo, "[ABT] $perl_bt\n";
		4402	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3088	LOG llevInfo, "[ABT] $_\n" for @bt;	4403	LOG llevInfo, "[ABT] $_\n" for @bt;
3089	--$_log_backtrace;	4404	--$_log_backtrace;
3090	};	4405	};
3091	} else {	4406	} else {
3092	LOG llevInfo, "[ABT] $msg\n";	4407	LOG llevInfo, "[ABT] $msg\n";
3093	LOG llevInfo, "[ABT] [suppressed]\n";	4408	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3094	}	4409	}
3095	}	4410	}
3096		4411
3097	# load additional modules	4412	# load additional modules
3098	use cf::pod;	4413	require "cf/$_.pm" for @EXTRA_MODULES;
		4414	cf::_connect_to_perl_2;
3099		4415
3100	END { cf::emergency_save }	4416	END { cf::emergency_save }
3101		4417
3102	1	4418	1
3103		4419

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