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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.276 by root, Sun Jun 10 04:05:47 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 '$name' that is not available, postponing.\n";	1155	info "object uses attachment '$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: <$buf>\n";
942	}	1551	}
943		1552
944	cf::override;	1553	cf::override;
945	},	1554	},
946	);	1555	);
947		1556
		1557	# "readahead" all extensions
948	sub load_extension {	1558	sub cache_extensions {
949	my ($path) = @_;	1559	my $grp = IO::AIO::aio_group;
950		1560
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1562	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1564	}
976	die $@;
977	}	1565	};
978		1566
979	push @EXTS, $pkg;	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;
980	}	1579	}
981		1580
982	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
		1586	cf::sync_job {
		1587	my %todo;
		1588
983	for my $ext (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1590	next unless -r $path;
985	eval {	1591
986	load_extension $ext;	1592	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1593	my $base = $1;
		1594	my $pkg = $1;
		1595	$pkg =~ s/[^[:word:]]/_/g;
		1596	$pkg = "ext::$pkg";
		1597
		1598	open my $fh, "<:utf8", $path
		1599	or die "$path: $!";
		1600
		1601	my $source = do { local $/; <$fh> };
		1602
		1603	my %ext = (
		1604	path => $path,
		1605	base => $base,
		1606	pkg => $pkg,
		1607	);
		1608
		1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1611
		1612	$ext{source} =
		1613	"package $pkg; use common::sense;\n"
		1614	. "#line 1 \"$path\"\n{\n"
		1615	. $source
		1616	. "\n};\n1";
		1617
		1618	$todo{$base} = \%ext;
		1619	}
		1620
		1621	my $pass = 0;
		1622	my %done;
		1623	while (%todo) {
		1624	my $progress;
		1625
		1626	++$pass;
		1627
		1628	ext:
		1629	while (my ($k, $v) = each %todo) {
		1630	for (split /,\s*/, $v->{meta}{depends}) {
		1631	next ext
		1632	unless exists $done{$_};
		1633	}
		1634
		1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1636
		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 $@) {
		1649	error "$v->{path}: $@\n";
		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1652	if exists $v->{meta}{mandatory};
		1653
		1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1655	delete $todo{$k};
		1656	} else {
		1657	$done{$k} = delete $todo{$k};
		1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
		1663	}
987	1	1664	}
988	} or warn "$ext not loaded: $@";	1665
		1666	unless ($progress) {
		1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		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	}
		1676	}
989	}	1677	};
990	}	1678	}
991		1679
992	#############################################################################	1680	#############################################################################
993		1681
		1682	=back
		1683
994	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
995		1685
996	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
997		1687
998	=cut	1688	=cut
999		1689
1000	package cf::player;	1690	package cf::player;
1001		1691
1002	use Coro::AIO;	1692	use Coro::AIO;
1003		1693
1004	=head3 cf::player	1694	=head3 cf::player
1005		1695
1006	=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	}
1007		1711
1008	=item cf::player::find $login	1712	=item cf::player::find $login
1009		1713
1010	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
1011		1715
…		…
1030		1734
1031	sub exists($) {	1735	sub exists($) {
1032	my ($login) = @_;	1736	my ($login) = @_;
1033		1737
1034	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1036	}	1740	}
1037		1741
1038	sub find($) {	1742	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1744	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1755
1052	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
1053	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;
1054	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1055	}	1765	}
1056	}	1766	}
1057	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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	);
1058		1781
1059	sub save($) {	1782	sub save($) {
1060	my ($pl) = @_;	1783	my ($pl) = @_;
1061		1784
1062	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1068		1791
1069	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1071		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
1072	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1073	Coro::cede;	1801	cf::cede_to_tick;
1074	}	1802	}
1075		1803
1076	sub new($) {	1804	sub new($) {
1077	my ($login) = @_;	1805	my ($login) = @_;
1078		1806
…		…
1084	$cf::PLAYER{$login} = $self;	1812	$cf::PLAYER{$login} = $self;
1085		1813
1086	$self	1814	$self
1087	}	1815	}
1088		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
1089	=item $pl->quit_character	1827	=item $pl->quit_character
1090		1828
1091	Nukes the player without looking back. If logged in, the connection will	1829	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1830	be destroyed. May block for a long time.
1093		1831
…		…
1097	my ($pl) = @_;	1835	my ($pl) = @_;
1098		1836
1099	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1100		1838
1101	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1102	$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
1103		1841
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1105	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1107	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1108		1850
1109	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1111	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1146	or return [];	1888	or return [];
1147		1889
1148	my @logins;	1890	my @logins;
1149		1891
1150	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") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1154		1902
1155	utf8::decode $login;	1903	utf8::decode $login;
1156	push @logins, $login;	1904	push @logins, $login;
1157	}	1905	}
1158		1906
1159	\@logins	1907	\@logins
1160	}	1908	}
1161		1909
1162	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1163		1913
1164	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1165	player. May block.	1915	player. May block.
1166		1916
1167	=cut	1917	=cut
…		…
1185	}	1935	}
1186		1936
1187	\@paths	1937	\@paths
1188	}	1938	}
1189		1939
1190	=item $player->ext_reply ($msgid, %msg)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1191		1941
1192	Sends an ext reply to the player.	1942	Expand deliantra pod fragments into protocol xml.
1193		1943
1194	=cut
1195
1196	sub ext_reply($$%) {
1197	my ($self, $id, %msg) = @_;
1198
1199	$msg{msgid} = $id;
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}
1203
1204	=item $player->ext_event ($type, %msg)	1944	=item $player->ext_msg ($type, @msg)
1205		1945
1206	Sends an ext event to the client.	1946	Sends an ext event to the client.
1207		1947
1208	=cut	1948	=cut
1209		1949
1210	sub ext_event($$%) {	1950	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1212		1952
1213	$self->ns->ext_event ($type, %msg);	1953	$self->ns->ext_msg ($type, @msg);
1214	}	1954	}
1215		1955
1216	=head3 cf::region	1956	=head3 cf::region
1217		1957
1218	=over 4	1958	=over 4
…		…
1221		1961
1222	package cf::region;	1962	package cf::region;
1223		1963
1224	=item cf::region::find_by_path $path	1964	=item cf::region::find_by_path $path
1225		1965
1226	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.
1227		1967
1228	=cut	1968	=cut
1229		1969
1230	sub find_by_path($) {	1970	sub find_by_path($) {
1231	my ($path) = @_;	1971	my ($path) = @_;
1232		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
		1974
1233	my ($match, $specificity);	1975	my ($match, $specificity);
1234		1976
1235	for my $region (list) {	1977	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1978	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1979	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1980	if $region->specificity > $specificity;
1239	}	1981	}
1240	}	1982	}
1241		1983
…		…
1262	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1264		2006
1265	sub generate_random_map {	2007	sub generate_random_map {
1266	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1267	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1268	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272	$rmp->{exit_on_final_map},
1273	$rmp->{xsize}, $rmp->{ysize},
1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1276	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1277	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1278	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1279	(cf::region::find $rmp->{region}), $rmp->{custom}
1280	)
1281	}	2013	}
1282		2014
1283	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1284		2016
1285	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
…		…
1290		2022
1291	sub register {	2023	sub register {
1292	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1293	my $pkg = caller;	2025	my $pkg = caller;
1294		2026
1295	no strict;
1296	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1297		2028
1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299	}	2030	}
1300		2031
1301	# also paths starting with '/'	2032	# also paths starting with '/'
1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303		2034
1304	sub thawer_merge {	2035	sub thawer_merge {
1305	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1306		2037
1307	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1312	}	2043	}
1313		2044
1314	sub normalise {	2045	sub normalise {
1315	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1316		2047
1317	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1318		2049
1319	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1320		2051
1321	# map plan:	2052	# map plan:
1322	#	2053	#
…		…
1337	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1338	$path = "$base/$path";	2069	$path = "$base/$path";
1339	}	2070	}
1340		2071
1341	for ($path) {	2072	for ($path) {
1342	redo if s{//}{/};
1343	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1344	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1345	}	2075	}
1346		2076
1347	$path	2077	$path
…		…
1361	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1362	return $self;	2092	return $self;
1363	}	2093	}
1364	}	2094	}
1365		2095
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1367	()	2097	()
1368	}	2098	}
1369		2099
		2100	# may re-bless or do other evil things
1370	sub init {	2101	sub init {
1371	my ($self) = @_;	2102	my ($self) = @_;
1372		2103
1373	$self	2104	$self
1374	}	2105	}
…		…
1393		2124
1394	# the temporary/swap location	2125	# the temporary/swap location
1395	sub save_path {	2126	sub save_path {
1396	my ($self) = @_;	2127	my ($self) = @_;
1397		2128
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1400	}	2131	}
1401		2132
1402	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1403	sub uniq_path {	2134	sub uniq_path {
1404	my ($self) = @_;	2135	my ($self) = @_;
1405		2136
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1408	}
1409
1410	# and all this just because we cannot iterate over
1411	# all maps in C++...
1412	sub change_all_map_light {
1413	my ($change) = @_;
1414
1415	$_->change_map_light ($change)
1416	for grep $_->outdoor, values %cf::MAP;
1417	}	2139	}
1418		2140
1419	sub decay_objects {	2141	sub decay_objects {
1420	my ($self) = @_;	2142	my ($self) = @_;
1421		2143
…		…
1434		2156
1435	sub load_header_from($) {	2157	sub load_header_from($) {
1436	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1437		2159
1438	utf8::encode $path;	2160	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	2162	or return;
1444		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1445	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1446		2171
1447	1	2172	1
1448	}	2173	}
1449		2174
		2175	# used to laod the header of an original map
1450	sub load_header_orig {	2176	sub load_header_orig {
1451	my ($self) = @_;	2177	my ($self) = @_;
1452		2178
1453	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1454	}	2180	}
1455		2181
		2182	# used to laod the header of an instantiated map
1456	sub load_header_temp {	2183	sub load_header_temp {
1457	my ($self) = @_;	2184	my ($self) = @_;
1458		2185
1459	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1460	}	2187	}
1461		2188
		2189	# called after loading the header from an instantiated map
1462	sub prepare_temp {	2190	sub prepare_temp {
1463	my ($self) = @_;	2191	my ($self) = @_;
1464		2192
1465	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1466	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1467	# safety	2195	# safety
1468	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1469	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1470	}	2198	}
1471		2199
		2200	# called after loading the header from an original map
1472	sub prepare_orig {	2201	sub prepare_orig {
1473	my ($self) = @_;	2202	my ($self) = @_;
1474		2203
1475	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1476	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1500		2229
1501	sub find;	2230	sub find;
1502	sub find {	2231	sub find {
1503	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1504		2233
		2234	cf::cede_to_tick;
		2235
1505	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1506		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1508		2240
1509	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";
1511	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1512	or return;	2243	or return;
1513		2244
1514	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1515		2246
…		…
1517	or return;	2248	or return;
1518		2249
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1522	$map->reset;	2255	$map->reset;
1523	undef $guard;
1524	return find $path;	2256	return find $path;
1525	}	2257	}
1526		2258
1527	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1528	}	2260	}
1529	}	2261	}
1530		2262
1531	sub pre_load { }	2263	sub pre_load { }
1532	sub post_load { }	2264	#sub post_load { } # XS
1533		2265
1534	sub load {	2266	sub load {
1535	my ($self) = @_;	2267	my ($self) = @_;
1536		2268
1537	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1538		2270
1539	my $path = $self->{path};	2271	my $path = $self->{path};
1540		2272
1541	{	2273	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1543		2275
		2276	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1545
1546	$self->in_memory (cf::MAP_LOADING);
1547		2278
1548	$self->alloc;	2279	$self->alloc;
1549		2280
1550	$self->pre_load;	2281	$self->pre_load;
1551	Coro::cede;	2282	cf::cede_to_tick;
1552		2283
1553	$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)
1554	or return;	2288	or return;
1555		2289
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1557	if delete $self->{load_original};	2291	if delete $self->{load_original};
1558		2292
1559	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2294	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2297	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1564	}	2302	}
1565	}
1566		2303
1567	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;
1568	# now do the right thing for maps	2313	# now do the right thing for maps
1569	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2316	unless $self->difficulty;
1572	Coro::cede;	2317	cf::cede_to_tick;
1573		2318
1574	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2320	$self->decay_objects;
1576	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1577	$self->update_buttons;	2322	$self->update_buttons;
1578	Coro::cede;	2323	cf::cede_to_tick;
1579	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1580	Coro::cede;
1581	$self->activate;
1582	}	2325	}
1583		2326
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2327	$self->{last_save} = $cf::RUNTIME;
		2328	$self->last_access ($cf::RUNTIME);
1585	}	2329	}
1586		2330
1587	$self->post_load;	2331	$self->post_load;
1588	}
1589		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
1590	sub customise_for {	2339	sub customise_for {
1591	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1592		2341
1593	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1594	if $self->per_player;	2343	if $self->per_player;
…		…
1597	# if $self->per_party;	2346	# if $self->per_party;
1598		2347
1599	$self	2348	$self
1600	}	2349	}
1601		2350
1602	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {
1604	my ($map) = @_;
1605
1606	my @diag; # diagonal neighbours
1607
1608	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)
1610	or next;
1611	$neigh = find $neigh, $map
1612	or next;
1613	$neigh->load;
1614
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}
1618
1619	for (@diag) {
1620	my $neigh = find @$_
1621	or next;
1622	$neigh->load;
1623	}
1624	}
1625
1626	sub find_sync {	2351	sub find_sync {
1627	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1628		2353
1629	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
1630	}	2359	}
1631		2360
1632	sub do_load_sync {	2361	sub do_load_sync {
1633	my ($map) = @_;	2362	my ($map) = @_;
1634		2363
1635	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;
1636	}	2369	}
1637		2370
1638	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1640		2373
1641	sub find_async {	2374	sub find_async {
1642	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1643		2376
1644	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1645		2378
1646	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1648	}	2381	}
1649		2382
1650	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1651	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1652	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2390	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2391	$map->load if $v;
		2392	}
1657		2393
1658	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1659	}	2395	}
1660	}	2396	}
1661	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1662	};	2398	};
1663	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1664		2400
1665	()	2401	()
1666	}	2402	}
1667		2403
		2404	# common code, used by both ->save and ->swapout
1668	sub save {	2405	sub _save {
1669	my ($self) = @_;	2406	my ($self) = @_;
1670
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;
1672		2407
1673	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1674		2409
1675	return unless $self->dirty;	2410	return unless $self->dirty;
1676		2411
…		…
1682	return if $self->{deny_save};	2417	return if $self->{deny_save};
1683		2418
1684	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1685		2420
1686	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1688	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1689		2427
1690	if ($uniq) {	2428	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2431	} else {
1694	$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);
1695	}	2433	}
1696	}	2434	}
1697		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1698	sub swap_out {	2444	sub swap_out {
1699	my ($self) = @_;	2445	my ($self) = @_;
1700		2446
1701	# save first because save cedes
1702	$self->save;
1703
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1706	return if $self->players;	2451	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};
1709		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
1710	$self->clear;	2462	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2463	}
1713		2464
1714	sub reset_at {	2465	sub reset_at {
1715	my ($self) = @_;	2466	my ($self) = @_;
1716		2467
…		…
1734		2485
1735	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
1736		2487
1737	return if $self->players;	2488	return if $self->players;
1738		2489
1739	warn "resetting map ", $self->path;	2490	cf::trace "resetting map ", $self->path, "\n";
1740		2491
1741	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
1742		2493
1743	# need to save uniques path	2494	# need to save uniques path
1744	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
1745	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1746		2497
…		…
1748	if $uniq;	2499	if $uniq;
1749	}	2500	}
1750		2501
1751	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
1752		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2506	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2507
1757	$self->unlink_save;	2508	$self->unlink_save;
1758	$self->destroy;	2509	$self->destroy;
1759	}	2510	}
1760		2511
1761	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
1762		2513
1763	sub nuke {	2514	sub nuke {
1764	my ($self) = @_;	2515	my ($self) = @_;
1765		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
1766	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
1767		2521
1768	$self->unlink_save;	2522	$self->unlink_save;
1769		2523
1770	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
1771	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2529
1776	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
1777		2532
1778	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
1779	}	2534	}
1780		2535
1781	=item $maps = cf::map::tmp_maps	2536	=item $maps = cf::map::tmp_maps
1782		2537
1783	Returns an arrayref with all map paths of currently instantiated and saved	2538	Returns an arrayref with all map paths of currently instantiated and saved
1784	maps.	2539	maps. May block.
1785		2540
1786	=cut	2541	=cut
1787		2542
1788	sub tmp_maps() {	2543	sub tmp_maps() {
1789	[	2544	[
1790	map {	2545	map {
1791	utf8::decode $_;	2546	utf8::decode $_;
1792	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2547	/\.map$/
1793	? normalise $_	2548	? normalise $_
1794	: ()	2549	: ()
1795	} @{ aio_readdir $TMPDIR or [] }	2550	} @{ aio_readdir $TMPDIR or [] }
1796	]	2551	]
1797	}	2552	}
1798		2553
		2554	=item $maps = cf::map::random_maps
		2555
		2556	Returns an arrayref with all map paths of currently instantiated and saved
		2557	random maps. May block.
		2558
		2559	=cut
		2560
		2561	sub random_maps() {
		2562	[
		2563	map {
		2564	utf8::decode $_;
		2565	/\.map$/
		2566	? normalise "?random/$_"
		2567	: ()
		2568	} @{ aio_readdir $RANDOMDIR or [] }
		2569	]
		2570	}
		2571
1799	=item cf::map::unique_maps	2572	=item cf::map::unique_maps
1800		2573
1801	Returns an arrayref of paths of all shared maps that have	2574	Returns an arrayref of paths of all shared maps that have
1802	instantiated unique items. May block.	2575	instantiated unique items. May block.
1803		2576
…		…
1805		2578
1806	sub unique_maps() {	2579	sub unique_maps() {
1807	[	2580	[
1808	map {	2581	map {
1809	utf8::decode $_;	2582	utf8::decode $_;
1810	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
1811	? normalise $_	2586	: normalise $_
1812	: ()
1813	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
1814	]	2588	]
1815	}	2589	}
1816		2590
1817	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	}
1818		2622
1819	=back	2623	=back
1820		2624
1821	=head3 cf::object	2625	=head3 cf::object
1822		2626
…		…
1826		2630
1827	=over 4	2631	=over 4
1828		2632
1829	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
1830		2634
1831	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.
1832		2637
1833	=cut	2638	=cut
1834		2639
1835	sub inv_recursive_;	2640	sub inv_recursive_;
1836	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
1839		2644
1840	sub inv_recursive {	2645	sub inv_recursive {
1841	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
1842	}	2647	}
1843		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
1844	package cf;	2677	package cf;
1845		2678
1846	=back	2679	=back
1847		2680
1848	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
1854	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>
1855	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
1856	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
1857		2690
1858	=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	};
1859		2706
1860	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
1861	# with dialog boxes.	2708	# with dialog boxes.
1862	#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
1863	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
1865		2712
1866	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1867		2714
1868	if ($self->{record_replies}) {	2715	if ($self->{record_replies}) {
1869	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2717
1870	} 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 {
1871	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
1872	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2728	}
1873	}	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 (@_);
1874	}	2740	}
1875		2741
1876	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
1877		2743
1878	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
…		…
1891		2757
1892	=item $player_object->enter_link	2758	=item $player_object->enter_link
1893		2759
1894	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}>).
1895		2761
1896	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.
1897	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.
1898		2766
1899	Will never block.	2767	Will never block.
1900		2768
1901	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
1902		2770
…		…
1922	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
1923	my ($self) = @_;	2791	my ($self) = @_;
1924		2792
1925	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
1926		2794
		2795	++$self->{_link_recursion};
		2796
1927	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
1928		2798
1929	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1930	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
1931		2801
1932	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1933	}	2803	}
1934		2804
1935	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
1936	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
1937		2807
…		…
1954	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
1955	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
1956		2826
1957	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
1958	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
1959	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
1960		2830
1961	$map->load;	2831	$map->load;
1962	$map->load_diag;
1963		2832
1964	return unless $self->contr->active;	2833	return unless $self->contr->active;
1965	$self->activate_recursive;
1966		2834
1967	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1968	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
1969	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
1970		2842
		2843	}
		2844
1971	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1972		2846
1973	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
1974	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
1975	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
1976	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 >>.
1977		2855
1978	=cut	2856	=cut
1979		2857
1980	our $GOTOGEN;	2858	our $GOTOGEN;
1981		2859
1982	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
1983	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	}
1984		2868
1985	# 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
1986	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1987		2871
1988	$self->enter_link;	2872	$self->enter_link;
1989		2873
1990	(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
1991	my $map = eval {	2896	my $map = eval {
1992	my $map = cf::map::find $path;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
1993		2898
1994	if ($map) {	2899	if ($map) {
1995	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
1996	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
1997	} else {	2902	} else {
1998	$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);
1999	}	2904	}
2000		2905
2001	$map	2906	$map
2002	};	2907	};
2003		2908
…		…
2008		2913
2009	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2010	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2011	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2012	}	2917	}
		2918
		2919	$done->($self) if $done;
2013	})->prio (1);	2920	})->prio (1);
2014	}	2921	}
2015		2922
2016	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2017		2924
…		…
2037	}	2944	}
2038		2945
2039	sub prepare_random_map {	2946	sub prepare_random_map {
2040	my ($exit) = @_;	2947	my ($exit) = @_;
2041		2948
2042	my $guard = cf::lock_acquire "exit_prepare:$exit";
2043
2044	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
2045	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
2046	# that depends on the exit object	2951	# that depends on the exit object
2047		2952
2048	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2050	if ($exit->map) {	2955	if ($exit->map) {
2051	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2052	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2053	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2054	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2055	}	2962	}
2056		2963
2057	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2058		2965
2059	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2060	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
2061	my $meta = "$RANDOMDIR/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
2062		2969
2063	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2064	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2065	undef $fh;	2972	undef $fh;
2066	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2067		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2068	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2069	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2070	}	2981	}
2071	}	2982	}
2072		2983
2073	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2074	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2075		2986
2076	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2077		2988
2078	if ($exit->slaying eq "/!") {
2079	#TODO: this should de-fi-ni-te-ly not be a sync-job
2080	# the problem is that $exit might not survive long enough
2081	# so it needs to be done right now, right here
2082	cf::sync_job { prepare_random_map $exit };
2083	}
2084
2085	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2086	my $hp = $exit->stats->hp;
2087	my $sp = $exit->stats->sp;
2088
2089	$self->enter_link;	2989	$self->enter_link;
2090		2990
2091	(async {	2991	(async {
2092	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
2093	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
2094	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2095		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
2096	1;	3030	1
2097	}) {	3031	}) {
2098	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2099	. "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. "
2100	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2101	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2102		3036
2103	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2104	$self->leave_link;	3038	$self->leave_link;
2105	}	3039	}
2106	})->prio (1);	3040	})->prio (1);
2107	}	3041	}
2108		3042
2109	=head3 cf::client	3043	=head3 cf::client
2110		3044
2111	=over 4	3045	=over 4
2112		3046
2113	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2114		3048
2115	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2116	should not be used under normal circumstances.	3050	them as required.
2117		3051
2118	=cut	3052	=cut
2119		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
2120	sub cf::client::send_drawinfo {	3201	sub cf::client::send_msg {
2121	my ($self, $text, $flags) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2122		3203
2123	utf8::encode $text;	3204	$msg = $self->pl->expand_cfpod ($msg)
2124	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3205	unless $color & cf::NDI_VERBATIM;
2125	}
2126		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
2127	=item $client->ext_event ($type, %msg)	3240	=item $client->ext_msg ($type, @msg)
2128		3241
2129	Sends an exti event to the client.	3242	Sends an ext event to the client.
2130		3243
2131	=cut	3244	=cut
2132		3245
2133	sub cf::client::ext_event($$%) {	3246	sub cf::client::ext_msg($$@) {
2134	my ($self, $type, %msg) = @_;	3247	my ($self, $type, @msg) = @_;
2135		3248
2136	$msg{msgtype} = "event_$type";	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2137	$self->send_packet ("ext " . cf::to_json \%msg);
2138	}	3250	}
2139		3251
2140	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2141		3253
2142	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
2143	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>,
2144	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>.
2145		3257
2146	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
2147	reliable at some point in the future.	3259	become reliable at some point in the future.
2148		3260
2149	=cut	3261	=cut
2150		3262
2151	sub cf::client::query {	3263	sub cf::client::query {
2152	my ($self, $flags, $text, $cb) = @_;	3264	my ($self, $flags, $text, $cb) = @_;
…		…
2160	utf8::encode $text;	3272	utf8::encode $text;
2161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3273	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2162		3274
2163	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2164	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
		3277
		3278	1
2165	}	3279	}
2166		3280
2167	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	},
2168	on_reply => sub {	3287	on_reply => sub {
2169	my ($ns, $msg) = @_;	3288	my ($ns, $msg) = @_;
2170		3289
2171	# this weird shuffling is so that direct followup queries	3290	# this weird shuffling is so that direct followup queries
2172	# get handled first	3291	# get handled first
…		…
2184	} else {	3303	} else {
2185	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3304	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2186	}	3305	}
2187	}	3306	}
2188	},	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	},
2189	);	3341	);
2190		3342
2191	=item $client->async (\&cb)	3343	=item $client->async (\&cb)
2192		3344
2193	Create a new coroutine, running the specified callback. The coroutine will	3345	Create a new coroutine, running the specified callback. The coroutine will
…		…
2209		3361
2210	$coro	3362	$coro
2211	}	3363	}
2212		3364
2213	cf::client->attach (	3365	cf::client->attach (
2214	on_destroy => sub {	3366	on_client_destroy => sub {
2215	my ($ns) = @_;	3367	my ($ns) = @_;
2216		3368
2217	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3369	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2218	},	3370	},
2219	);	3371	);
…		…
2234	our $safe = new Safe "safe";	3386	our $safe = new Safe "safe";
2235	our $safe_hole = new Safe::Hole;	3387	our $safe_hole = new Safe::Hole;
2236		3388
2237	$SIG{FPE} = 'IGNORE';	3389	$SIG{FPE} = 'IGNORE';
2238		3390
2239	$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	));
2240		3396
2241	# here we export the classes and methods available to script code	3397	# here we export the classes and methods available to script code
2242		3398
2243	=pod	3399	=pod
2244		3400
2245	The following functions and methods are available within a safe environment:	3401	The following functions and methods are available within a safe environment:
2246		3402
2247	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
2248	cf::object::player player	3408	cf::object::player
2249	cf::player peaceful	3409	player
2250	cf::map trigger	3410
		3411	cf::player
		3412	peaceful
		3413
		3414	cf::map
		3415	trigger
2251		3416
2252	=cut	3417	=cut
2253		3418
2254	for (	3419	for (
2255	["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)],
2256	["cf::object::player" => qw(player)],	3423	["cf::object::player" => qw(player)],
2257	["cf::player" => qw(peaceful)],	3424	["cf::player" => qw(peaceful send_msg)],
2258	["cf::map" => qw(trigger)],	3425	["cf::map" => qw(trigger)],
2259	) {	3426	) {
2260	no strict 'refs';
2261	my ($pkg, @funs) = @$_;	3427	my ($pkg, @funs) = @$_;
2262	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3428	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2263	for @funs;	3429	for @funs;
2264	}	3430	}
2265		3431
…		…
2280		3446
2281	my $qcode = $code;	3447	my $qcode = $code;
2282	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3448	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2283	$qcode =~ s/\n/\\n/g;	3449	$qcode =~ s/\n/\\n/g;
2284		3450
		3451	%vars = (_dummy => 0) unless %vars;
		3452
		3453	my @res;
2285	local $_;	3454	local $_;
2286	local @safe::cf::_safe_eval_args = values %vars;
2287		3455
2288	my $eval =	3456	my $eval =
2289	"do {\n"	3457	"do {\n"
2290	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3458	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2291	. "#line 0 \"{$qcode}\"\n"	3459	. "#line 0 \"{$qcode}\"\n"
2292	. $code	3460	. $code
2293	. "\n}"	3461	. "\n}"
2294	;	3462	;
2295		3463
		3464	if ($CFG{safe_eval}) {
2296	sub_generation_inc;	3465	sub_generation_inc;
		3466	local @safe::cf::_safe_eval_args = values %vars;
2297	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3467	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2298	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	}
2299		3473
2300	if ($@) {	3474	if ($@) {
2301	warn "$@";	3475	warn "$@",
2302	warn "while executing safe code '$code'\n";	3476	"while executing safe code '$code'\n",
2303	warn "with arguments " . (join " ", %vars) . "\n";	3477	"with arguments " . (join " ", %vars) . "\n";
2304	}	3478	}
2305		3479
2306	wantarray ? @res : $res[0]	3480	wantarray ? @res : $res[0]
2307	}	3481	}
2308		3482
…		…
2322	=cut	3496	=cut
2323		3497
2324	sub register_script_function {	3498	sub register_script_function {
2325	my ($fun, $cb) = @_;	3499	my ($fun, $cb) = @_;
2326		3500
2327	no strict 'refs';	3501	$fun = "safe::$fun" if $CFG{safe_eval};
2328	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3502	*$fun = $safe_hole->wrap ($cb);
2329	}	3503	}
2330		3504
2331	=back	3505	=back
2332		3506
2333	=cut	3507	=cut
2334
2335	#############################################################################
2336
2337	=head2 EXTENSION DATABASE SUPPORT
2338
2339	Crossfire maintains a very simple database for extension use. It can
2340	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2341	convert to/from binary).
2342
2343	The parameter C<$family> should best start with the name of the extension
2344	using it, it should be unique.
2345
2346	=over 4
2347
2348	=item $value = cf::db_get $family => $key
2349
2350	Returns a single value from the database.
2351
2352	=item cf::db_put $family => $key => $value
2353
2354	Stores the given C<$value> in the family.
2355
2356	=cut
2357
2358	our $DB;
2359
2360	sub db_init {
2361	unless ($DB) {
2362	$DB = BDB::db_create $DB_ENV;
2363
2364	cf::sync_job {
2365	eval {
2366	$DB->set_flags (BDB::CHKSUM);
2367
2368	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2369	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2370	cf::cleanup "db_open(db): $!" if $!;
2371	};
2372	cf::cleanup "db_open(db): $@" if $@;
2373	};
2374	}
2375	}
2376
2377	sub db_get($$) {
2378	my $key = "$_[0]/$_[1]";
2379
2380	cf::sync_job {
2381	BDB::db_get $DB, undef, $key, my $data;
2382
2383	$! ? ()
2384	: $data
2385	}
2386	}
2387
2388	sub db_put($$$) {
2389	BDB::dbreq_pri 4;
2390	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2391	}
2392
2393	=item cf::cache $id => [$paths...], $processversion => $process
2394
2395	Generic caching function that returns the value of the resource $id,
2396	caching and regenerating as required.
2397
2398	This function can block.
2399
2400	=cut
2401
2402	sub cache {
2403	my ($id, $src, $processversion, $process) = @_;
2404
2405	my $meta =
2406	join "\x00",
2407	$processversion,
2408	map {
2409	aio_stat $_
2410	and Carp::croak "$_: $!";
2411
2412	($_, (stat _)[7,9])
2413	} @$src;
2414
2415	my $dbmeta = db_get cache => "$id/meta";
2416	if ($dbmeta ne $meta) {
2417	# changed, we may need to process
2418
2419	my @data;
2420	my $md5;
2421
2422	for (0 .. $#$src) {
2423	0 <= aio_load $src->[$_], $data[$_]
2424	or Carp::croak "$src->[$_]: $!";
2425	}
2426
2427	# if processing is expensive, check
2428	# checksum first
2429	if (1) {
2430	$md5 =
2431	join "\x00",
2432	$processversion,
2433	map {
2434	Coro::cede;
2435	($src->[$_], Digest::MD5::md5_hex $data[$_])
2436	} 0.. $#$src;
2437
2438
2439	my $dbmd5 = db_get cache => "$id/md5";
2440	if ($dbmd5 eq $md5) {
2441	db_put cache => "$id/meta", $meta;
2442
2443	return db_get cache => "$id/data";
2444	}
2445	}
2446
2447	my $t1 = Time::HiRes::time;
2448	my $data = $process->(\@data);
2449	my $t2 = Time::HiRes::time;
2450
2451	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2452
2453	db_put cache => "$id/data", $data;
2454	db_put cache => "$id/md5" , $md5;
2455	db_put cache => "$id/meta", $meta;
2456
2457	return $data;
2458	}
2459
2460	db_get cache => "$id/data"
2461	}
2462
2463	=item fork_call { }, $args
2464
2465	Executes the given code block with the given arguments in a seperate
2466	process, returning the results. Everything must be serialisable with
2467	Coro::Storable. May, of course, block. Note that the executed sub may
2468	never block itself or use any form of Event handling.
2469
2470	=cut
2471
2472	sub fork_call(&@) {
2473	my ($cb, @args) = @_;
2474
2475	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2476	# or die "socketpair: $!";
2477	pipe my $fh1, my $fh2
2478	or die "pipe: $!";
2479
2480	if (my $pid = fork) {
2481	close $fh2;
2482
2483	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2484	$res = Coro::Storable::thaw $res;
2485
2486	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2487
2488	die $$res unless "ARRAY" eq ref $res;
2489
2490	return wantarray ? @$res : $res->[-1];
2491	} else {
2492	reset_signals;
2493	local $SIG{__WARN__};
2494	local $SIG{__DIE__};
2495	eval {
2496	close $fh1;
2497
2498	my @res = eval { $cb->(@args) };
2499	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2500	};
2501
2502	warn $@ if $@;
2503	_exit 0;
2504	}
2505	}
2506		3508
2507	#############################################################################	3509	#############################################################################
2508	# the server's init and main functions	3510	# the server's init and main functions
2509		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
2510	sub load_facedata($) {	3589	sub load_facedata($) {
2511	my ($path) = @_;	3590	my ($path) = @_;
2512		3591
		3592	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3593
2513	warn "loading facedata from $path\n";	3594	trace "loading facedata from $path\n";
2514		3595
2515	my $facedata;	3596	my $facedata = decode_storable load_file "$path/faceinfo";
2516	0 < aio_load $path, $facedata
2517	or die "$path: $!";
2518
2519	$facedata = Coro::Storable::thaw $facedata;
2520		3597
2521	$facedata->{version} == 2	3598	$facedata->{version} == 2
2522	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;
2523		3609
2524	{	3610	{
2525	my $faces = $facedata->{faceinfo};	3611	my $faces = $facedata->{faceinfo};
2526		3612
2527	while (my ($face, $info) = each %$faces) {	3613	for my $face (sort keys %$faces) {
		3614	my $info = $faces->{$face};
2528	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3615	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3616
2529	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3617	cf::face::set_visibility $idx, $info->{visibility};
2530	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3618	cf::face::set_magicmap $idx, $info->{magicmap};
2531	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};
2532	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];
2533	}	3624	}
2534		3625
2535	while (my ($face, $info) = each %$faces) {	3626	while (my ($face, $info) = each %$faces) {
2536	next unless $info->{smooth};	3627	next unless $info->{smooth};
		3628
2537	my $idx = cf::face::find $face	3629	my $idx = cf::face::find $face
2538	or next;	3630	or next;
		3631
2539	if (my $smooth = cf::face::find $info->{smooth}) {	3632	if (my $smooth = cf::face::find $info->{smooth}) {
		3633	cf::face::set_smooth $idx, $smooth;
2540	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3634	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2541	} else {	3635	} else {
2542	warn "smooth face '$info->{smooth}' not found for face '$face'";	3636	error "smooth face '$info->{smooth}' not found for face '$face'";
2543	}	3637	}
2544	Coro::cede;
2545	}	3638	}
2546	}	3639	}
2547		3640
2548	{	3641	{
2549	my $anims = $facedata->{animinfo};	3642	my $anims = $facedata->{animinfo};
2550		3643
2551	while (my ($anim, $info) = each %$anims) {	3644	while (my ($anim, $info) = each %$anims) {
2552	cf::anim::set $anim, $info->{frames}, $info->{facings};	3645	cf::anim::set $anim, $info->{frames}, $info->{facings};
2553	Coro::cede;
2554	}	3646	}
2555		3647
2556	cf::anim::invalidate_all; # d'oh	3648	cf::anim::invalidate_all; # d'oh
2557	}	3649	}
2558		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
2559	1	3685	1
2560	}	3686	}
2561		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
2562	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
2563	load_resource_file "$MAPDIR/regions"	3725	load_resource_file "$MAPDIR/regions"
2564	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	}
2565	}	3732	}
2566		3733
2567	sub reload_facedata {	3734	sub reload_facedata {
2568	load_facedata "$DATADIR/facedata"	3735	load_facedata $DATADIR
2569	or die "unable to load facedata\n";	3736	or die "unable to load facedata\n";
2570	}	3737	}
2571		3738
2572	sub reload_archetypes {	3739	sub reload_archetypes {
2573	load_resource_file "$DATADIR/archetypes"	3740	load_resource_file "$DATADIR/archetypes"
2574	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	);
2575	}	3754	}
2576		3755
2577	sub reload_treasures {	3756	sub reload_treasures {
2578	load_resource_file "$DATADIR/treasures"	3757	load_resource_file "$DATADIR/treasures"
2579	or die "unable to load treasurelists\n";	3758	or die "unable to load treasurelists\n";
2580	}	3759	}
2581		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
2582	sub reload_resources {	3781	sub reload_resources {
2583	warn "reloading resource files...\n";	3782	trace "reloading resource files...\n";
2584		3783
		3784	reload_materials;
		3785	reload_facedata;
		3786	reload_exp_table;
		3787	reload_sound;
		3788	reload_archetypes;
2585	reload_regions;	3789	reload_regions;
2586	reload_facedata;
2587	#reload_archetypes;#d#
2588	reload_archetypes;
2589	reload_treasures;	3790	reload_treasures;
2590		3791
2591	warn "finished reloading resource files\n";	3792	trace "finished reloading resource files\n";
2592	}	3793	}
2593		3794
2594	sub init {	3795	sub reload_config {
2595	reload_resources;	3796	trace "reloading config file...\n";
2596	}
2597		3797
2598	sub cfg_load {	3798	my $config = load_file "$CONFDIR/config";
2599	open my $fh, "<:utf8", "$CONFDIR/config"	3799	utf8::decode $config;
2600	or return;	3800	*CFG = decode_yaml $config;
2601		3801
2602	local $/;
2603	*CFG = YAML::Syck::Load <$fh>;
2604
2605	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3802	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2606		3803
2607	$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};
2608	$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};
2609		3806
2610	if (exists $CFG{mlockall}) {	3807	if (exists $CFG{mlockall}) {
…		…
2614	};	3811	};
2615	warn $@ if $@;	3812	warn $@ if $@;
2616	}	3813	}
2617	}	3814	}
2618		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
2619	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
2620	# we must not ever block the main coroutine	3854	# we must not ever block the main coroutine
2621	local $Coro::idle = sub {	3855	$Coro::idle = sub {
2622	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#
2623	(async {	3857	(async {
2624	Event::one_event;	3858	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3859	EV::loop EV::LOOP_ONESHOT;
2625	})->prio (Coro::PRIO_MAX);	3860	})->prio (Coro::PRIO_MAX);
2626	};	3861	};
2627		3862
2628	cfg_load;	3863	evthread_start IO::AIO::poll_fileno;
		3864
		3865	cf::sync_job {
		3866	cf::incloader::init ();
		3867
2629	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
2630	load_extensions;	3887	load_extensions;
2631		3888
2632	$TICK_WATCHER->start;	3889	utime time, time, $RUNTIMEFILE;
2633	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;
2634	}	3906	}
2635		3907
2636	#############################################################################	3908	#############################################################################
2637	# initialisation and cleanup	3909	# initialisation and cleanup
2638		3910
2639	# install some emergency cleanup handlers	3911	# install some emergency cleanup handlers
2640	BEGIN {	3912	BEGIN {
		3913	our %SIGWATCHER = ();
2641	for my $signal (qw(INT HUP TERM)) {	3914	for my $signal (qw(INT HUP TERM)) {
2642	Event->signal (	3915	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2643	reentrant => 0,
2644	data => WF_AUTOCANCEL,
2645	signal => $signal,
2646	prio => 0,
2647	cb => sub {
2648	cf::cleanup "SIG$signal";	3916	cf::cleanup "SIG$signal";
2649	},
2650	);	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
2651	}	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 };
2652	}	4007	}
2653		4008
2654	sub emergency_save() {	4009	sub emergency_save() {
2655	my $freeze_guard = cf::freeze_mainloop;	4010	my $freeze_guard = cf::freeze_mainloop;
2656		4011
2657	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;
2658		4018
2659	cf::sync_job {	4019	cf::sync_job {
		4020	cf::write_runtime_sync; # external watchdog should not bark
		4021
2660	# use a peculiar iteration method to avoid tripping on perl	4022	# use a peculiar iteration method to avoid tripping on perl
2661	# refcount bugs in for. also avoids problems with players	4023	# refcount bugs in for. also avoids problems with players
2662	# and maps saved/destroyed asynchronously.	4024	# and maps saved/destroyed asynchronously.
2663	warn "begin emergency player save\n";	4025	info "emergency_perl_save: begin player save\n";
2664	for my $login (keys %cf::PLAYER) {	4026	for my $login (keys %cf::PLAYER) {
2665	my $pl = $cf::PLAYER{$login} or next;	4027	my $pl = $cf::PLAYER{$login} or next;
2666	$pl->valid or next;	4028	$pl->valid or next;
		4029	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2667	$pl->save;	4030	$pl->save;
2668	}	4031	}
2669	warn "end emergency player save\n";	4032	info "emergency_perl_save: end player save\n";
2670		4033
2671	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";
2672	for my $path (keys %cf::MAP) {	4037	for my $path (keys %cf::MAP) {
2673	my $map = $cf::MAP{$path} or next;	4038	my $map = $cf::MAP{$path} or next;
2674	$map->valid or next;	4039	$map->valid or next;
2675	$map->save;	4040	$map->save;
2676	}	4041	}
2677	warn "end emergency map save\n";	4042	info "emergency_perl_save: end map save\n";
2678		4043
2679	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";
2680	BDB::db_env_txn_checkpoint $DB_ENV;	4047	BDB::db_env_txn_checkpoint $DB_ENV;
2681	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
2682	};	4072	};
2683		4073
2684	warn "leave emergency perl save\n";	4074	info "emergency_perl_save: leave\n";
2685	}	4075	}
2686		4076
2687	sub post_cleanup {	4077	sub post_cleanup {
2688	my ($make_core) = @_;	4078	my ($make_core) = @_;
2689		4079
		4080	IO::AIO::flush;
		4081
2690	warn Carp::longmess "post_cleanup backtrace"	4082	error Carp::longmess "post_cleanup backtrace"
2691	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	}
2692	}	4112	}
2693		4113
2694	sub do_reload_perl() {	4114	sub do_reload_perl() {
2695	# can/must only be called in main	4115	# can/must only be called in main
2696	if ($Coro::current != $Coro::main) {	4116	unless (in_main) {
2697	warn "can only reload from main coroutine";	4117	error "can only reload from main coroutine";
2698	return;	4118	return;
2699	}	4119	}
2700		4120
2701	warn "reloading...";	4121	return if $RELOAD++;
2702		4122
2703	warn "entering sync_job";	4123	my $t1 = AE::time;
2704		4124
		4125	while ($RELOAD) {
		4126	cf::get_slot 0.1, -1, "reload_perl";
		4127	info "perl_reload: reloading...";
		4128
		4129	trace "perl_reload: entering sync_job";
		4130
2705	cf::sync_job {	4131	cf::sync_job {
2706	cf::write_runtime; # external watchdog should not bark
2707	cf::emergency_save;	4132	#cf::emergency_save;
2708	cf::write_runtime; # external watchdog should not bark
2709		4133
2710	warn "syncing database to disk";
2711	BDB::db_env_txn_checkpoint $DB_ENV;
2712
2713	# if anything goes wrong in here, we should simply crash as we already saved
2714
2715	warn "cancelling all WF_AUTOCANCEL watchers";
2716	for (Event::all_watchers) {
2717	$_->cancel if $_->data & WF_AUTOCANCEL;
2718	}
2719
2720	warn "flushing outstanding aio requests";
2721	for (;;) {
2722	BDB::flush;
2723	IO::AIO::flush;
2724	Coro::cede;
2725	last unless IO::AIO::nreqs || BDB::nreqs;
2726	warn "iterate...";
2727	}
2728
2729	++$RELOAD;
2730
2731	warn "cancelling all extension coros";	4134	trace "perl_reload: cancelling all extension coros";
2732	$_->cancel for values %EXT_CORO;	4135	$_->cancel for values %EXT_CORO;
2733	%EXT_CORO = ();	4136	%EXT_CORO = ();
2734		4137
2735	warn "removing commands";	4138	trace "perl_reload: removing commands";
2736	%COMMAND = ();	4139	%COMMAND = ();
2737		4140
2738	warn "removing ext commands";	4141	trace "perl_reload: removing ext/exti commands";
2739	%EXTCMD = ();	4142	%EXTCMD = ();
		4143	%EXTICMD = ();
2740		4144
2741	warn "unloading/nuking all extensions";	4145	trace "perl_reload: unloading/nuking all extensions";
2742	for my $pkg (@EXTS) {	4146	for my $pkg (@EXTS) {
2743	warn "... unloading $pkg";	4147	trace "... unloading $pkg";
2744		4148
2745	if (my $cb = $pkg->can ("unload")) {	4149	if (my $cb = $pkg->can ("unload")) {
2746	eval {	4150	eval {
2747	$cb->($pkg);	4151	$cb->($pkg);
2748	1	4152	1
2749	} 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;
2750	}	4158	}
2751		4159
2752	warn "... nuking $pkg";
2753	Symbol::delete_package $pkg;
2754	}
2755
2756	warn "unloading all perl modules loaded from $LIBDIR";	4160	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2757	while (my ($k, $v) = each %INC) {	4161	while (my ($k, $v) = each %INC) {
2758	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4162	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2759		4163
2760	warn "... unloading $k";	4164	trace "... unloading $k";
2761	delete $INC{$k};	4165	delete $INC{$k};
2762		4166
2763	$k =~ s/\.pm$//;	4167	$k =~ s/\.pm$//;
2764	$k =~ s/\//::/g;	4168	$k =~ s/\//::/g;
2765		4169
2766	if (my $cb = $k->can ("unload_module")) {	4170	if (my $cb = $k->can ("unload_module")) {
2767	$cb->();	4171	$cb->();
		4172	}
		4173
		4174	clear_package $k;
2768	}	4175	}
2769		4176
2770	Symbol::delete_package $k;
2771	}
2772
2773	warn "getting rid of safe::, as good as possible";	4177	trace "perl_reload: getting rid of safe::, as good as possible";
2774	Symbol::delete_package "safe::$_"	4178	clear_package "safe::$_"
2775	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);
2776		4180
2777	warn "unloading cf.pm \"a bit\"";	4181	trace "perl_reload: unloading cf.pm \"a bit\"";
2778	delete $INC{"cf.pm"};	4182	delete $INC{"cf.pm"};
2779	delete $INC{"cf/pod.pm"};	4183	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2780		4184
2781	# don't, removes xs symbols, too,	4185	# don't, removes xs symbols, too,
2782	# and global variables created in xs	4186	# and global variables created in xs
2783	#Symbol::delete_package __PACKAGE__;	4187	#clear_package __PACKAGE__;
2784		4188
2785	warn "unload completed, starting to reload now";	4189	info "perl_reload: unload completed, starting to reload now";
2786		4190
2787	warn "reloading cf.pm";	4191	trace "perl_reload: reloading cf.pm";
2788	require cf;	4192	require cf;
2789	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4193	cf::_connect_to_perl_1;
2790		4194
2791	warn "loading config and database again";	4195	trace "perl_reload: loading config and database again";
2792	cf::cfg_load;	4196	cf::reload_config;
2793		4197
2794	warn "loading extensions";	4198	trace "perl_reload: loading extensions";
2795	cf::load_extensions;	4199	cf::load_extensions;
2796		4200
		4201	if ($REATTACH_ON_RELOAD) {
2797	warn "reattaching attachments to objects/players";	4202	trace "perl_reload: reattaching attachments to objects/players";
2798	_global_reattach; # objects, sockets	4203	_global_reattach; # objects, sockets
2799	warn "reattaching attachments to maps";	4204	trace "perl_reload: reattaching attachments to maps";
2800	reattach $_ for values %MAP;	4205	reattach $_ for values %MAP;
2801	warn "reattaching attachments to players";	4206	trace "perl_reload: reattaching attachments to players";
2802	reattach $_ for values %PLAYER;	4207	reattach $_ for values %PLAYER;
		4208	}
2803		4209
2804	warn "leaving sync_job";	4210	cf::_post_init 1;
2805		4211
		4212	trace "perl_reload: leaving sync_job";
		4213
2806	1	4214	1
2807	} or do {	4215	} or do {
2808	warn $@;	4216	error $@;
2809	warn "error while reloading, exiting.";	4217	cf::cleanup "perl_reload: error, exiting.";
2810	exit 1;	4218	};
		4219
		4220	--$RELOAD;
2811	};	4221	}
2812		4222
2813	warn "reloaded";	4223	$t1 = AE::time - $t1;
		4224	info "perl_reload: completed in ${t1}s\n";
2814	};	4225	};
2815		4226
2816	our $RELOAD_WATCHER; # used only during reload	4227	our $RELOAD_WATCHER; # used only during reload
2817		4228
2818	sub reload_perl() {	4229	sub reload_perl() {
2819	# doing reload synchronously and two reloads happen back-to-back,	4230	# doing reload synchronously and two reloads happen back-to-back,
2820	# coro crashes during coro_state_free->destroy here.	4231	# coro crashes during coro_state_free->destroy here.
2821		4232
2822	$RELOAD_WATCHER ||= Event->timer (	4233	$RELOAD_WATCHER ||= cf::async {
2823	reentrant => 0,	4234	Coro::AIO::aio_wait cache_extensions;
2824	after => 0,	4235
2825	data => WF_AUTOCANCEL,	4236	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2826	cb => sub {
2827	do_reload_perl;	4237	do_reload_perl;
2828	undef $RELOAD_WATCHER;	4238	undef $RELOAD_WATCHER;
2829	},	4239	};
2830	);	4240	};
2831	}	4241	}
2832		4242
2833	register_command "reload" => sub {	4243	register_command "reload" => sub {
2834	my ($who, $arg) = @_;	4244	my ($who, $arg) = @_;
2835		4245
2836	if ($who->flag (FLAG_WIZ)) {	4246	if ($who->flag (FLAG_WIZ)) {
2837	$who->message ("reloading server.");	4247	$who->message ("reloading server.");
		4248	async {
		4249	$Coro::current->{desc} = "perl_reload";
2838	async { reload_perl };	4250	reload_perl;
		4251	};
2839	}	4252	}
2840	};	4253	};
2841		4254
2842	unshift @INC, $LIBDIR;	4255	#############################################################################
2843		4256
2844	my $bug_warning = 0;	4257	my $bug_warning = 0;
2845		4258
2846	our @WAIT_FOR_TICK;
2847	our @WAIT_FOR_TICK_BEGIN;
2848
2849	sub wait_for_tick {	4259	sub wait_for_tick() {
2850	return unless $TICK_WATCHER->is_active;	4260	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2851	return if $Coro::current == $Coro::main;
2852		4261
2853	my $signal = new Coro::Signal;	4262	$WAIT_FOR_TICK->wait;
2854	push @WAIT_FOR_TICK, $signal;
2855	$signal->wait;
2856	}	4263	}
2857		4264
2858	sub wait_for_tick_begin {	4265	sub wait_for_tick_begin() {
2859	return unless $TICK_WATCHER->is_active;	4266	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2860	return if $Coro::current == $Coro::main;
2861		4267
2862	my $signal = new Coro::Signal;	4268	my $signal = new Coro::Signal;
2863	push @WAIT_FOR_TICK_BEGIN, $signal;	4269	push @WAIT_FOR_TICK_BEGIN, $signal;
2864	$signal->wait;	4270	$signal->wait;
2865	}	4271	}
2866		4272
2867	my $min = 1e6;#d#	4273	sub tick {
2868	my $avg = 10;
2869	$TICK_WATCHER = Event->timer (
2870	reentrant => 0,
2871	parked => 1,
2872	prio => 0,
2873	at => $NEXT_TICK || $TICK,
2874	data => WF_AUTOCANCEL,
2875	cb => sub {
2876	if ($Coro::current != $Coro::main) {	4274	if ($Coro::current != $Coro::main) {
2877	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4275	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2878	unless ++$bug_warning > 10;	4276	unless ++$bug_warning > 10;
2879	return;	4277	return;
2880	}	4278	}
2881		4279
2882	$NOW = $tick_start = Event::time;	4280	cf::one_tick; # one server iteration
2883		4281
2884	cf::server_tick; # one server iteration	4282	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2885		4283
2886	0 && sync_job {#d#	4284	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2887	for(1..10) {	4285	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2888	my $t = Event::time;	4286	Coro::async_pool {
2889	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4287	$Coro::current->{desc} = "runtime saver";
2890	or die;	4288	write_runtime_sync
2891		4289	or error "ERROR: unable to write runtime file: $!";
2892	$map->width (50);
2893	$map->height (50);
2894	$map->alloc;
2895	$map->_load_objects ("/tmp/x.map", 1);
2896	my $t = Event::time - $t;
2897
2898	#next unless $t < 0.0013;#d#
2899	if ($t < $min) {
2900	$min = $t;
2901	}
2902	$avg = $avg * 0.99 + $t * 0.01;
2903	}
2904	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2905	exit 0;
2906	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2907	};	4290	};
		4291	}
2908		4292
2909	$RUNTIME += $TICK;
2910	$NEXT_TICK += $TICK;
2911
2912	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2913	$NEXT_RUNTIME_WRITE = $NOW + 10;
2914	Coro::async_pool {
2915	write_runtime
2916	or warn "ERROR: unable to write runtime file: $!";
2917	};
2918	}
2919
2920	# my $AFTER = Event::time;
2921	# warn $AFTER - $NOW;#d#
2922
2923	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4293	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2924	$sig->send;	4294	$sig->send;
2925	}	4295	}
2926	while (my $sig = shift @WAIT_FOR_TICK) {	4296	$WAIT_FOR_TICK->broadcast;
2927	$sig->send;
2928	}
2929		4297
2930	$NOW = Event::time;	4298	$LOAD = ($NOW - $TICK_START) / $TICK;
2931
2932	# if we are delayed by four ticks or more, skip them all
2933	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2934
2935	$TICK_WATCHER->at ($NEXT_TICK);
2936	$TICK_WATCHER->start;
2937
2938	$LOAD = ($NOW - $tick_start) / $TICK;
2939	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4299	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2940		4300
2941	_post_tick;	4301	if (0) {
2942		4302	if ($NEXT_TICK) {
2943		4303	my $jitter = $TICK_START - $NEXT_TICK;
		4304	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4305	debug "jitter $JITTER\n";#d#
		4306	}
2944	},	4307	}
2945	);	4308	}
2946		4309
2947	{	4310	{
2948	BDB::max_poll_time $TICK * 0.1;	4311	# configure BDB
2949	$BDB_POLL_WATCHER = Event->io (	4312	info "initialising database";
2950	reentrant => 0,	4313
2951	fd => BDB::poll_fileno,
2952	poll => 'r',
2953	prio => 0,
2954	data => WF_AUTOCANCEL,
2955	cb => \&BDB::poll_cb,
2956	);
2957	BDB::min_parallel 8;	4314	BDB::min_parallel 16;
2958		4315	BDB::max_poll_reqs $TICK * 0.1;
2959	BDB::set_sync_prepare {	4316	#$AnyEvent::BDB::WATCHER->priority (1);
2960	my $status;
2961	my $current = $Coro::current;
2962	(
2963	sub {
2964	$status = $!;
2965	$current->ready; undef $current;
2966	},
2967	sub {
2968	Coro::schedule while defined $current;
2969	$! = $status;
2970	},
2971	)
2972	};
2973		4317
2974	unless ($DB_ENV) {	4318	unless ($DB_ENV) {
2975	$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);
2976		4325
2977	cf::sync_job {	4326	cf::sync_job {
2978	eval {	4327	eval {
2979	BDB::db_env_open	4328	BDB::db_env_open
2980	$DB_ENV,	4329	$DB_ENV,
…		…
2982	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4331	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2983	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4332	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2984	0666;	4333	0666;
2985		4334
2986	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4335	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2987
2988	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2989	$DB_ENV->set_lk_detect;
2990	};	4336	};
2991		4337
2992	cf::cleanup "db_env_open(db): $@" if $@;	4338	cf::cleanup "db_env_open(db): $@" if $@;
2993	};	4339	};
2994	}	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";
2995	}	4353	}
2996		4354
2997	{	4355	{
		4356	# configure IO::AIO
		4357
		4358	info "initialising aio";
2998	IO::AIO::min_parallel 8;	4359	IO::AIO::min_parallel 8;
2999
3000	undef $Coro::AIO::WATCHER;
3001	IO::AIO::max_poll_time $TICK * 0.1;	4360	IO::AIO::max_poll_time $TICK * 0.1;
3002	$AIO_POLL_WATCHER = Event->io (	4361	undef $AnyEvent::AIO::WATCHER;
3003	reentrant => 0,	4362	info "aio initialised";
3004	data => WF_AUTOCANCEL,
3005	fd => IO::AIO::poll_fileno,
3006	poll => 'r',
3007	prio => 6,
3008	cb => \&IO::AIO::poll_cb,
3009	);
3010	}	4363	}
3011		4364
3012	my $_log_backtrace;	4365	our $_log_backtrace;
		4366	our $_log_backtrace_last;
3013		4367
3014	sub _log_backtrace {	4368	sub _log_backtrace {
3015	my ($msg, @addr) = @_;	4369	my ($msg, @addr) = @_;
3016		4370
3017	$msg =~ s/\n//;	4371	$msg =~ s/\n$//;
3018		4372
		4373	if ($_log_backtrace_last eq $msg) {
		4374	LOG llevInfo, "[ABT] $msg\n";
		4375	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3019	# limit the # of concurrent backtraces	4376	# limit the # of concurrent backtraces
3020	if ($_log_backtrace < 2) {	4377	} elsif ($_log_backtrace < 2) {
		4378	$_log_backtrace_last = $msg;
3021	++$_log_backtrace;	4379	++$_log_backtrace;
		4380	my $perl_bt = Carp::longmess $msg;
3022	async {	4381	async {
		4382	$Coro::current->{desc} = "abt $msg";
		4383
3023	my @bt = fork_call {	4384	my @bt = fork_call {
3024	@addr = map { sprintf "%x", $_ } @addr;	4385	@addr = map { sprintf "%x", $_ } @addr;
3025	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4386	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3026	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 |"
3027	or die "addr2line: $!";	4388	or die "addr2line: $!";
…		…
3035	}	4396	}
3036		4397
3037	@funcs	4398	@funcs
3038	};	4399	};
3039		4400
3040	LOG llevInfo, "[ABT] $msg\n";	4401	LOG llevInfo, "[ABT] $perl_bt\n";
		4402	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3041	LOG llevInfo, "[ABT] $_\n" for @bt;	4403	LOG llevInfo, "[ABT] $_\n" for @bt;
3042	--$_log_backtrace;	4404	--$_log_backtrace;
3043	};	4405	};
3044	} else {	4406	} else {
3045	LOG llevInfo, "[ABT] $msg\n";	4407	LOG llevInfo, "[ABT] $msg\n";
3046	LOG llevInfo, "[ABT] [suppressed]\n";	4408	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3047	}	4409	}
3048	}	4410	}
3049		4411
3050	# load additional modules	4412	# load additional modules
3051	use cf::pod;	4413	require "cf/$_.pm" for @EXTRA_MODULES;
		4414	cf::_connect_to_perl_2;
3052		4415
3053	END { cf::emergency_save }	4416	END { cf::emergency_save }
3054		4417
3055	1	4418	1
3056		4419

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