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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.599 by root, Sun Nov 11 04:29:11 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($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
306	};	623	}
307	$TICK_WATCHER->stop;	624	};
308	$guard	625
		626	sub get_slot($;$$) {
		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	# we seemingly have to make a local copy of the whole thing,
409	# 10 is the runtime save interval, for a monotonic clock	745	# otherwise perl prematurely frees the stuff :/
410	# 60 allows for the watchdog to kill the server.	746	# TODO: investigate and fix (likely this will be rather laborious)
411		747
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	748	my @res = Coro::Util::fork_eval {
413	and return;	749	cf::post_fork;
		750	&$cb
		751	} @args;
414		752
415	# always fsync - this file is important	753	wantarray ? @res : $res[-1]
416	aio_fsync $fh	754	}
417	and return;
418		755
419	# touch it again to show we are up-to-date	756	sub objinfo {
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	757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
		765	}
		766
		767	=item $coin = coin_from_name $name
		768
		769	=cut
		770
		771	our %coin_alias = (
		772	"silver" => "silvercoin",
		773	"silvercoin" => "silvercoin",
		774	"silvercoins" => "silvercoin",
		775	"gold" => "goldcoin",
		776	"goldcoin" => "goldcoin",
		777	"goldcoins" => "goldcoin",
		778	"platinum" => "platinacoin",
		779	"platinumcoin" => "platinacoin",
		780	"platinumcoins" => "platinacoin",
		781	"platina" => "platinacoin",
		782	"platinacoin" => "platinacoin",
		783	"platinacoins" => "platinacoin",
		784	"royalty" => "royalty",
		785	"royalties" => "royalty",
		786	);
		787
		788	sub coin_from_name($) {
		789	$coin_alias{$_[0]}
		790	? cf::arch::find $coin_alias{$_[0]}
		791	: undef
		792	}
		793
		794	=item $value = cf::db_get $family => $key
		795
		796	Returns a single value from the environment database.
		797
		798	=item cf::db_put $family => $key => $value
		799
		800	Stores the given C<$value> in the family. It can currently store binary
		801	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		802
		803	=item $db = cf::db_table "name"
		804
		805	Create and/or open a new database table. The string must not be "db" and must be unique
		806	within each server.
		807
		808	=cut
		809
		810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
		814	my ($name) = @_;
		815	my $db = BDB::db_create $DB_ENV;
		816
		817	eval {
		818	$db->set_flags (BDB::CHKSUM);
		819
		820	utf8::encode $name;
		821	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		822	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		823	cf::cleanup "db_open(db): $!" if $!;
		824	};
		825	cf::cleanup "db_open(db): $@" if $@;
		826
		827	$db
		828	}
		829
		830	our $DB;
		831
		832	sub db_init {
		833	$DB ||= db_table "db";
		834	}
		835
		836	sub db_get($$) {
		837	my $key = "$_[0]/$_[1]";
		838
		839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
		842	BDB::db_get $DB, undef, $key, my $data;
		843
		844	$! ? ()
		845	: $data
		846	}
		847
		848	sub db_put($$$) {
		849	BDB::dbreq_pri 4;
		850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		851	}
		852
		853	=item cf::cache $id => [$paths...], $processversion => $process
		854
		855	Generic caching function that returns the value of the resource $id,
		856	caching and regenerating as required.
		857
		858	This function can block.
		859
		860	=cut
		861
		862	sub cache {
		863	my ($id, $src, $processversion, $process) = @_;
		864
		865	my $meta =
		866	join "\x00",
		867	$processversion,
		868	map {
		869	aio_stat $_
		870	and Carp::croak "$_: $!";
		871
		872	($_, (stat _)[7,9])
		873	} @$src;
		874
		875	my $dbmeta = db_get cache => "$id/meta";
		876	if ($dbmeta ne $meta) {
		877	# changed, we may need to process
		878
		879	my @data;
		880	my $md5;
		881
		882	for (0 .. $#$src) {
		883	$data[$_] = load_file $src->[$_];
		884	}
		885
		886	# if processing is expensive, check
		887	# checksum first
		888	if (1) {
		889	$md5 =
		890	join "\x00",
		891	$processversion,
		892	map {
		893	cf::cede_to_tick;
		894	($src->[$_], Digest::MD5::md5_hex $data[$_])
		895	} 0.. $#$src;
		896
		897
		898	my $dbmd5 = db_get cache => "$id/md5";
		899	if ($dbmd5 eq $md5) {
		900	db_put cache => "$id/meta", $meta;
		901
		902	return db_get cache => "$id/data";
		903	}
		904	}
		905
		906	my $t1 = EV::time;
		907	my $data = $process->(\@data);
		908	my $t2 = EV::time;
		909
		910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		911
		912	db_put cache => "$id/data", $data;
		913	db_put cache => "$id/md5" , $md5;
		914	db_put cache => "$id/meta", $meta;
		915
		916	return $data;
		917	}
		918
		919	db_get cache => "$id/data"
431	}	920	}
432		921
433	=item cf::datalog type => key => value, ...	922	=item cf::datalog type => key => value, ...
434		923
435	Log a datalog packet of the given type with the given key-value pairs.	924	Log a datalog packet of the given type with the given key-value pairs.
436		925
437	=cut	926	=cut
438		927
439	sub datalog($@) {	928	sub datalog($@) {
440	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	931	}
443		932
444	=back	933	=back
445		934
446	=cut	935	=cut
447		936
448	#############################################################################	937	#############################################################################
449		938
450	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
451		940
452	Many objects in crossfire are so-called attachable objects. That means you can	941	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")	942	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
455		944
456	In the following description, CLASS can be any of C<global>, C<object>	945	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	946	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	947	Deliantra).
459		948
460	=over 4	949	=over 4
461		950
462	=item $attachable->attach ($attachment, key => $value...)	951	=item $attachable->attach ($attachment, key => $value...)
463		952
…		…
507	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
508		997
509	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
511		1000
512	Some classes such as crossfire maps and objects can specify attachments	1001	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.	1002	that are attached at load/instantiate time, thus the need for a name.
514		1003
515	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
516		1005
517	=over 4	1006	=over 4
…		…
641		1130
642	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		1133
645	} elsif (ref $type) {	1134	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
647		1136
648	} else {	1137	} else {
649	shift @arg;	1138	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
651	}	1140	}
652	}	1141	}
653	}	1142	}
654		1143
655	sub _object_attach {	1144	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
666	}	1155	}
667		1156
668	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
669	} else {	1158	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1160	}
672		1161
673	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
674	}	1163	}
675		1164
…		…
715	";	1204	";
716	die if $@;	1205	die if $@;
717	}	1206	}
718		1207
719	our $override;	1208	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1209	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1210
722	sub override {	1211	sub override {
723	$override = 1;	1212	$override = 1;
724	@invoke_results = ();	1213	@INVOKE_RESULTS = (@_);
725	}	1214	}
726		1215
727	sub do_invoke {	1216	sub do_invoke {
728	my $event = shift;	1217	my $event = shift;
729	my $callbacks = shift;	1218	my $callbacks = shift;
730		1219
731	@invoke_results = ();	1220	@INVOKE_RESULTS = ();
732		1221
733	local $override;	1222	local $override;
734		1223
735	for (@$callbacks) {	1224	for (@$callbacks) {
736	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
737		1226
738	if ($@) {	1227	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1229	override;
742	}	1230	}
743		1231
744	return 1 if $override;	1232	return 1 if $override;
745	}	1233	}
746		1234
747	0	1235	0
748	}	1236	}
749		1237
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1239
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1240	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1241
754	Generate an object-specific event with the given arguments.	1242	Generate an object-specific event with the given arguments.
755		1243
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1244	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	1245	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1246	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1247
760	=back	1248	=back
761		1249
762	=cut	1250	=cut
763		1251
764	#############################################################################	1252	#############################################################################
765	# object support	1253	# object support
		1254
		1255	sub _object_equal($$);
		1256	sub _object_equal($$) {
		1257	my ($a, $b) = @_;
		1258
		1259	return 0 unless (ref $a) eq (ref $b);
		1260
		1261	if ("HASH" eq ref $a) {
		1262	my @ka = keys %$a;
		1263	my @kb = keys %$b;
		1264
		1265	return 0 if @ka != @kb;
		1266
		1267	for (0 .. $#ka) {
		1268	return 0 unless $ka[$_] eq $kb[$_];
		1269	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1270	}
		1271
		1272	} elsif ("ARRAY" eq ref $a) {
		1273
		1274	return 0 if @$a != @$b;
		1275
		1276	for (0 .. $#$a) {
		1277	return 0 unless _object_equal $a->[$_], $b->[$_];
		1278	}
		1279
		1280	} elsif ($a ne $b) {
		1281	return 0;
		1282	}
		1283
		1284	1
		1285	}
		1286
		1287	our $SLOW_MERGES;#d#
		1288	sub _can_merge {
		1289	my ($ob1, $ob2) = @_;
		1290
		1291	++$SLOW_MERGES;#d#
		1292
		1293	# we do the slow way here
		1294	return _object_equal $ob1, $ob2
		1295	}
766		1296
767	sub reattach {	1297	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1299	my ($obj) = @_;
770		1300
		1301	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1302	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1303
773	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
774		1305
775	@$registry = ();	1306	@$registry = ();
776		1307
…		…
781	for (@$attach) {	1312	for (@$attach) {
782	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
784	}	1315	}
785	} else {	1316	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1318	}
788	}	1319	}
789	}	1320	}
790		1321
791	cf::attachable->attach (	1322	cf::attachable->attach (
792	prio => -1000000,	1323	prio => -1000000,
793	on_instantiate => sub {	1324	on_instantiate => sub {
794	my ($obj, $data) = @_;	1325	my ($obj, $data) = @_;
795		1326
796	$data = from_json $data;	1327	$data = decode_json $data;
797		1328
798	for (@$data) {	1329	for (@$data) {
799	my ($name, $args) = @$_;	1330	my ($name, $args) = @$_;
800		1331
801	$obj->attach ($name, %{$args || {} });	1332	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1348	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
819		1350
820	sync_job {	1351	sync_job {
821	if (length $$rdata) {	1352	if (length $$rdata) {
		1353	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
824		1357
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1359	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1361	if ($cf::USE_FSYNC) {
		1362	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;
		1363	aio_fsync $fh;
		1364	}
829	close $fh;	1365	aio_close $fh;
830		1366
831	if (@$objs) {	1367	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1368	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1369	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	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;
		1374	aio_fsync $fh;
		1375	}
837	close $fh;	1376	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
839	}	1378	}
840	} else {	1379	} else {
841	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
842	}	1381	}
843		1382
844	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1387	} else {
846	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
847	}	1389	}
848	} else {	1390	} else {
849	aio_unlink $filename;	1391	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
851	}	1393	}
852	}	1394	};
853	}	1395	}
854		1396
855	sub object_freezer_as_string {	1397	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1398	my ($rdata, $objs) = @_;
857		1399
…		…
869	or return;	1411	or return;
870		1412
871	unless (aio_stat "$filename.pst") {	1413	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1414	(aio_load "$filename.pst", $av) >= 0
873	or return;	1415	or return;
		1416
874	$av = eval { (Storable::thaw $av)->{objs} };	1417	my $st = eval { Coro::Storable::thaw $av };
		1418	$av = $st->{objs};
875	}	1419	}
876		1420
		1421	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
		1425
879	return ($data, $av);	1426	($data, $av)
880	}	1427	}
		1428
		1429	=head2 COMMAND CALLBACKS
		1430
		1431	=over 4
		1432
		1433	=cut
881		1434
882	#############################################################################	1435	#############################################################################
883	# command handling &c	1436	# command handling &c
884		1437
885	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
886		1439
887	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
888	$name.	1441	$name.
889		1442
890	=cut	1443	=cut
…		…
896	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
897		1450
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1452	}
900		1453
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
902		1455
903	Register a callbackf ro execution when the client sends an extcmd packet.	1456	Register a callback for execution when the client sends an (synchronous)
		1457	extcmd packet. Ext commands will be processed in the order they are
		1458	received by the server, like other user commands. The first argument is
		1459	the logged-in player. Ext commands can only be processed after a player
		1460	has logged in successfully.
904		1461
905	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
906	called.
907		1463
908	=cut	1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
909		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
		1469	=item cf::register_exticmd $name => \&callback($ns,@args)
		1470
		1471	Register a callback for execution when the client sends an (asynchronous)
		1472	exticmd packet. Exti commands are processed by the server as soon as they
		1473	are received, i.e. out of order w.r.t. other commands. The first argument
		1474	is a client socket. Exti commands can be received anytime, even before
		1475	log-in.
		1476
		1477	The values will be sent back to the client.
		1478
		1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
910	sub register_extcmd {	1486	sub register_extcmd($$) {
911	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
912		1488
913	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
914	}	1490	}
915		1491
		1492	sub register_async_extcmd($$) {
		1493	my ($name, $cb) = @_;
		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
		1501	$EXTICMD{$name} = $cb;
		1502	}
		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
916	cf::player->attach (	1512	cf::player->attach (
917	on_command => sub {	1513	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
919		1515
920	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
921	or return;	1517	or return;
922		1518
…		…
927	cf::override;	1523	cf::override;
928	},	1524	},
929	on_extcmd => sub {	1525	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
931		1527
932	my $msg = eval { from_json $buf };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1529
934	if (ref $msg) {	1530	if (ref $msg) {
		1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1532
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1533	if (my $cb = $EXTACMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1534	$cb->(
937	$pl->ext_reply ($msg->{msgid}, %reply);	1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
		1546	@reply = $cb->($pl, @payload);
938	}	1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
939	}	1551	}
		1552
940	} else {	1553	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1555	}
943		1556
944	cf::override;	1557	cf::override;
945	},	1558	},
946	);	1559	);
947		1560
		1561	# "readahead" all extensions
		1562	sub cache_extensions {
		1563	my $grp = IO::AIO::aio_group;
		1564
		1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1566	for (grep /\.ext$/, @{$_[0]}) {
		1567	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1568	}
		1569	};
		1570
		1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1583	}
		1584
948	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
949	cf::sync_job {	1590	cf::sync_job {
950	my %todo;	1591	my %todo;
951		1592
952	for my $path (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
953	next unless -r $path;	1594	next unless -r $path;
…		…
967	path => $path,	1608	path => $path,
968	base => $base,	1609	base => $base,
969	pkg => $pkg,	1610	pkg => $pkg,
970	);	1611	);
971		1612
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1615
975	$ext{source} =	1616	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1617	"package $pkg; use common::sense;\n"
977	. "#line 1 \"$path\"\n{\n"	1618	. "#line 1 \"$path\"\n{\n"
978	. $source	1619	. $source
979	. "\n};\n1";	1620	. "\n};\n1";
980		1621
981	$todo{$base} = \%ext;	1622	$todo{$base} = \%ext;
982	}	1623	}
983		1624
		1625	my $pass = 0;
984	my %done;	1626	my %done;
985	while (%todo) {	1627	while (%todo) {
986	my $progress;	1628	my $progress;
987		1629
		1630	++$pass;
		1631
		1632	ext:
988	while (my ($k, $v) = each %todo) {	1633	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1634	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1635	next ext
991	unless exists $done{$_};	1636	unless exists $done{$_};
992	}	1637	}
993		1638
994	warn "... loading '$k' into '$v->{pkg}'\n";	1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
995		1640
996	unless (eval $v->{source}) {	1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1653	error "$v->{path}: $@\n";
998	: "extension disabled.\n";
999		1654
		1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1000	if (exists $v->{meta}{mandatory}) {	1656	if exists $v->{meta}{mandatory};
1001	warn $msg;	1657
1002	warn "mandatory extension failed to load, exiting.\n";	1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1003	exit 1;	1659	delete $todo{$k};
1004	}	1660	} else {
1005		1661	$done{$k} = delete $todo{$k};
1006	die $msg;	1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
1007	}	1667	}
1008
1009	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};
1011	}	1668	}
1012		1669
1013	skip:	1670	unless ($progress) {
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1015	unless $progress;	1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
1016	}	1680	}
1017	};	1681	};
1018	}	1682	}
1019		1683
1020	#############################################################################	1684	#############################################################################
1021		1685
		1686	=back
		1687
1022	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
1023		1689
1024	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
1025		1691
1026	=cut	1692	=cut
1027		1693
1028	package cf::player;	1694	package cf::player;
1029		1695
1030	use Coro::AIO;	1696	use Coro::AIO;
1031		1697
1032	=head3 cf::player	1698	=head3 cf::player
1033		1699
1034	=over 4	1700	=over 4
		1701
		1702	=item cf::player::num_playing
		1703
		1704	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1705
		1706	=cut
		1707
		1708	sub num_playing {
		1709	scalar grep
		1710	$_->ob->map
		1711	&& !$_->hidden
		1712	&& !$_->ob->flag (cf::FLAG_WIZ),
		1713	cf::player::list
		1714	}
1035		1715
1036	=item cf::player::find $login	1716	=item cf::player::find $login
1037		1717
1038	Returns the given player object, loading it if necessary (might block).	1718	Returns the given player object, loading it if necessary (might block).
1039		1719
…		…
1058		1738
1059	sub exists($) {	1739	sub exists($) {
1060	my ($login) = @_;	1740	my ($login) = @_;
1061		1741
1062	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
1063	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
1064	}	1744	}
1065		1745
1066	sub find($) {	1746	sub find($) {
1067	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
1068	my $login = $_[0];	1748	my $login = $_[0];
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1755	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1756	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1757	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1758	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1759
1080	my $pl = load_pl path $login	1760	my $f = new_from_file cf::object::thawer path $login
1081	or return;	1761	or return;
		1762
		1763	my $pl = cf::player::load_pl $f
		1764	or return;
		1765
		1766	local $cf::PLAYER_LOADING{$login} = $pl;
		1767	$f->resolve_delayed_derefs;
1082	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1083	}	1769	}
1084	}	1770	}
1085	}	1771	}
		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
1086		1785
1087	sub save($) {	1786	sub save($) {
1088	my ($pl) = @_;	1787	my ($pl) = @_;
1089		1788
1090	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
…		…
1095	return if $pl->{deny_save};	1794	return if $pl->{deny_save};
1096		1795
1097	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1099		1798
		1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1803
1100	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1101	Coro::cede;	1805	cf::cede_to_tick;
1102	}	1806	}
1103		1807
1104	sub new($) {	1808	sub new($) {
1105	my ($login) = @_;	1809	my ($login) = @_;
1106		1810
…		…
1112	$cf::PLAYER{$login} = $self;	1816	$cf::PLAYER{$login} = $self;
1113		1817
1114	$self	1818	$self
1115	}	1819	}
1116		1820
		1821	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1822
		1823	=cut
		1824
		1825	sub send_msg {
		1826	my $ns = shift->ns
		1827	or return;
		1828	$ns->send_msg (@_);
		1829	}
		1830
1117	=item $pl->quit_character	1831	=item $pl->quit_character
1118		1832
1119	Nukes the player without looking back. If logged in, the connection will	1833	Nukes the player without looking back. If logged in, the connection will
1120	be destroyed. May block for a long time.	1834	be destroyed. May block for a long time.
1121		1835
…		…
1125	my ($pl) = @_;	1839	my ($pl) = @_;
1126		1840
1127	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1128		1842
1129	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1130	$pl->password ("*"); # this should lock out the player until we nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1131		1845
1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1133	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1134	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1135	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1136		1854
1137	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1138	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1139	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1174	or return [];	1892	or return [];
1175		1893
1176	my @logins;	1894	my @logins;
1177		1895
1178	for my $login (@$dirs) {	1896	for my $login (@$dirs) {
		1897	my $path = path $login;
		1898
		1899	# a .pst is a dead give-away for a valid player
		1900	# if no pst file found, open and chekc for blocked users
		1901	if (aio_stat "$path.pst") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1902	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1903	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1904	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1905	}
1182		1906
1183	utf8::decode $login;	1907	utf8::decode $login;
1184	push @logins, $login;	1908	push @logins, $login;
1185	}	1909	}
1186		1910
1187	\@logins	1911	\@logins
1188	}	1912	}
1189		1913
1190	=item $player->maps	1914	=item $player->maps
		1915
		1916	=item cf::player::maps $login
1191		1917
1192	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1193	player. May block.	1919	player. May block.
1194		1920
1195	=cut	1921	=cut
…		…
1213	}	1939	}
1214		1940
1215	\@paths	1941	\@paths
1216	}	1942	}
1217		1943
1218	=item $player->ext_reply ($msgid, %msg)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1219		1945
1220	Sends an ext reply to the player.	1946	Expand deliantra pod fragments into protocol xml.
1221		1947
1222	=cut
1223
1224	sub ext_reply($$%) {
1225	my ($self, $id, %msg) = @_;
1226
1227	$msg{msgid} = $id;
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}
1231
1232	=item $player->ext_event ($type, %msg)	1948	=item $player->ext_msg ($type, @msg)
1233		1949
1234	Sends an ext event to the client.	1950	Sends an ext event to the client.
1235		1951
1236	=cut	1952	=cut
1237		1953
1238	sub ext_event($$%) {	1954	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1955	my ($self, $type, @msg) = @_;
1240		1956
1241	$self->ns->ext_event ($type, %msg);	1957	$self->ns->ext_msg ($type, @msg);
1242	}	1958	}
1243		1959
1244	=head3 cf::region	1960	=head3 cf::region
1245		1961
1246	=over 4	1962	=over 4
…		…
1249		1965
1250	package cf::region;	1966	package cf::region;
1251		1967
1252	=item cf::region::find_by_path $path	1968	=item cf::region::find_by_path $path
1253		1969
1254	Tries to decuce the probable region for a map knowing only its path.	1970	Tries to decuce the likely region for a map knowing only its path.
1255		1971
1256	=cut	1972	=cut
1257		1973
1258	sub find_by_path($) {	1974	sub find_by_path($) {
1259	my ($path) = @_;	1975	my ($path) = @_;
1260		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
		1978
1261	my ($match, $specificity);	1979	my ($match, $specificity);
1262		1980
1263	for my $region (list) {	1981	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1982	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1983	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1984	if $region->specificity > $specificity;
1267	}	1985	}
1268	}	1986	}
1269		1987
…		…
1290	our $MAX_RESET = 3600;	2008	our $MAX_RESET = 3600;
1291	our $DEFAULT_RESET = 3000;	2009	our $DEFAULT_RESET = 3000;
1292		2010
1293	sub generate_random_map {	2011	sub generate_random_map {
1294	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1295	# mit "rum" bekleckern, nicht	2013
		2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2015
1296	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region}), $rmp->{custom}
1308	)
1309	}	2017	}
1310		2018
1311	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1312		2020
1313	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1318		2026
1319	sub register {	2027	sub register {
1320	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1321	my $pkg = caller;	2029	my $pkg = caller;
1322		2030
1323	no strict;
1324	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1325		2032
1326	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1327	}	2034	}
1328		2035
1329	# also paths starting with '/'	2036	# also paths starting with '/'
1330	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1331		2038
1332	sub thawer_merge {	2039	sub thawer_merge {
1333	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1334		2041
1335	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
…		…
1340	}	2047	}
1341		2048
1342	sub normalise {	2049	sub normalise {
1343	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1344		2051
1345	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1346		2053
1347	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1348		2055
1349	# map plan:	2056	# map plan:
1350	#	2057	#
…		…
1365	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1366	$path = "$base/$path";	2073	$path = "$base/$path";
1367	}	2074	}
1368		2075
1369	for ($path) {	2076	for ($path) {
1370	redo if s{//}{/};
1371	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1372	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1373	}	2079	}
1374		2080
1375	$path	2081	$path
…		…
1389	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1390	return $self;	2096	return $self;
1391	}	2097	}
1392	}	2098	}
1393		2099
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1395	()	2101	()
1396	}	2102	}
1397		2103
		2104	# may re-bless or do other evil things
1398	sub init {	2105	sub init {
1399	my ($self) = @_;	2106	my ($self) = @_;
1400		2107
1401	$self	2108	$self
1402	}	2109	}
…		…
1421		2128
1422	# the temporary/swap location	2129	# the temporary/swap location
1423	sub save_path {	2130	sub save_path {
1424	my ($self) = @_;	2131	my ($self) = @_;
1425		2132
1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2133	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1427	"$TMPDIR/$path.map"	2134	"$TMPDIR/$path.map"
1428	}	2135	}
1429		2136
1430	# the unique path, undef == no special unique path	2137	# the unique path, undef == no special unique path
1431	sub uniq_path {	2138	sub uniq_path {
1432	my ($self) = @_;	2139	my ($self) = @_;
1433		2140
1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1435	"$UNIQUEDIR/$path"	2142	"$UNIQUEDIR/$path"
1436	}
1437
1438	# and all this just because we cannot iterate over
1439	# all maps in C++...
1440	sub change_all_map_light {
1441	my ($change) = @_;
1442
1443	$_->change_map_light ($change)
1444	for grep $_->outdoor, values %cf::MAP;
1445	}	2143	}
1446		2144
1447	sub decay_objects {	2145	sub decay_objects {
1448	my ($self) = @_;	2146	my ($self) = @_;
1449		2147
…		…
1462		2160
1463	sub load_header_from($) {	2161	sub load_header_from($) {
1464	my ($self, $path) = @_;	2162	my ($self, $path) = @_;
1465		2163
1466	utf8::encode $path;	2164	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	2165	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	2166	or return;
1472		2167
		2168	$self->_load_header ($f)
		2169	or return;
		2170
		2171	local $MAP_LOADING{$self->{path}} = $self;
		2172	$f->resolve_delayed_derefs;
		2173
1473	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1474		2175
1475	1	2176	1
1476	}	2177	}
1477		2178
		2179	# used to laod the header of an original map
1478	sub load_header_orig {	2180	sub load_header_orig {
1479	my ($self) = @_;	2181	my ($self) = @_;
1480		2182
1481	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1482	}	2184	}
1483		2185
		2186	# used to laod the header of an instantiated map
1484	sub load_header_temp {	2187	sub load_header_temp {
1485	my ($self) = @_;	2188	my ($self) = @_;
1486		2189
1487	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1488	}	2191	}
1489		2192
		2193	# called after loading the header from an instantiated map
1490	sub prepare_temp {	2194	sub prepare_temp {
1491	my ($self) = @_;	2195	my ($self) = @_;
1492		2196
1493	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1494	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1495	# safety	2199	# safety
1496	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1497	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1498	}	2202	}
1499		2203
		2204	# called after loading the header from an original map
1500	sub prepare_orig {	2205	sub prepare_orig {
1501	my ($self) = @_;	2206	my ($self) = @_;
1502		2207
1503	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1504	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1528		2233
1529	sub find;	2234	sub find;
1530	sub find {	2235	sub find {
1531	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1532		2237
		2238	cf::cede_to_tick;
		2239
1533	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
1534		2241
		2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
1536		2244
1537	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";
1539	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
1540	or return;	2247	or return;
1541		2248
1542	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
1543		2250
…		…
1545	or return;	2252	or return;
1546		2253
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2254	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	2255	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	2256	#$cf::WAIT_FOR_TICK->wait;
		2257	undef $guard2;
		2258	undef $guard1;
1550	$map->reset;	2259	$map->reset;
1551	undef $guard;
1552	return find $path;	2260	return find $path;
1553	}	2261	}
1554		2262
1555	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
1556	}	2264	}
1557	}	2265	}
1558		2266
1559	sub pre_load { }	2267	sub pre_load { }
1560	sub post_load { }	2268	#sub post_load { } # XS
1561		2269
1562	sub load {	2270	sub load {
1563	my ($self) = @_;	2271	my ($self) = @_;
1564		2272
1565	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
1566		2274
1567	my $path = $self->{path};	2275	my $path = $self->{path};
1568		2276
1569	{	2277	{
1570	my $guard = cf::lock_acquire "map_load:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
1571		2279
		2280	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2281	return unless $self->state == cf::MAP_SWAPPED;
1573
1574	$self->in_memory (cf::MAP_LOADING);
1575		2282
1576	$self->alloc;	2283	$self->alloc;
1577		2284
1578	$self->pre_load;	2285	$self->pre_load;
1579	Coro::cede;	2286	cf::cede_to_tick;
1580		2287
1581	$self->_load_objects ($self->{load_path}, 1)	2288	if (exists $self->{load_path}) {
		2289	my $f = new_from_file cf::object::thawer $self->{load_path};
		2290	$f->skip_block;
		2291	$self->_load_objects ($f)
1582	or return;	2292	or return;
1583		2293
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
1585	if delete $self->{load_original};	2295	if delete $self->{load_original};
1586		2296
1587	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2298	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2299	unless (aio_stat $uniq) {
		2300	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2301	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2302	$self->_load_objects ($f);
		2303	$f->resolve_delayed_derefs;
		2304	}
		2305	}
1592	}	2306	}
1593	}
1594		2307
1595	Coro::cede;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
		2313
		2314	$self->state (cf::MAP_INACTIVE);
		2315
		2316	cf::cede_to_tick;
1596	# now do the right thing for maps	2317	# now do the right thing for maps
1597	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2320	unless $self->difficulty;
1600	Coro::cede;	2321	cf::cede_to_tick;
1601		2322
1602	unless ($self->{deny_activate}) {	2323	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2324	$self->decay_objects;
1604	$self->fix_auto_apply;	2325	$self->fix_auto_apply;
1605	$self->update_buttons;	2326	$self->update_buttons;
1606	Coro::cede;	2327	cf::cede_to_tick;
1607	$self->set_darkness_map;	2328	#$self->activate; # no longer activate maps automatically
1608	Coro::cede;
1609	$self->activate;
1610	}	2329	}
1611		2330
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2331	$self->{last_save} = $cf::RUNTIME;
		2332	$self->last_access ($cf::RUNTIME);
1613	}	2333	}
1614		2334
1615	$self->post_load;	2335	$self->post_load;
1616	}
1617		2336
		2337	1
		2338	}
		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
1618	sub customise_for {	2343	sub customise_for {
1619	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
1620		2345
1621	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
1622	if $self->per_player;	2347	if $self->per_player;
…		…
1625	# if $self->per_party;	2350	# if $self->per_party;
1626		2351
1627	$self	2352	$self
1628	}	2353	}
1629		2354
1630	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {
1632	my ($map) = @_;
1633
1634	my @diag; # diagonal neighbours
1635
1636	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)
1638	or next;
1639	$neigh = find $neigh, $map
1640	or next;
1641	$neigh->load;
1642
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}
1646
1647	for (@diag) {
1648	my $neigh = find @$_
1649	or next;
1650	$neigh->load;
1651	}
1652	}
1653
1654	sub find_sync {	2355	sub find_sync {
1655	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
1656		2357
1657	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
1658	}	2363	}
1659		2364
1660	sub do_load_sync {	2365	sub do_load_sync {
1661	my ($map) = @_;	2366	my ($map) = @_;
1662		2367
1663	cf::sync_job { $map->load };	2368	# it's a bug to call this from the main context
		2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2370	if $Coro::current == $Coro::main;
		2371
		2372	$map->load;
1664	}	2373	}
1665		2374
1666	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
1668		2377
1669	sub find_async {	2378	sub find_async {
1670	my ($path, $origin) = @_;	2379	my ($path, $origin, $load) = @_;
1671		2380
1672	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
1673		2382
1674	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2384	return $map if !$load || $map->linkable;
1676	}	2385	}
1677		2386
1678	undef $MAP_PREFETCH{$path};	2387	$MAP_PREFETCH{$path} |= $load;
		2388
1679	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
		2390	$Coro::current->{desc} = "map prefetcher";
		2391
1680	while (%MAP_PREFETCH) {	2392	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2393	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2394	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2395	$map->load if $v;
		2396	}
1685		2397
1686	delete $MAP_PREFETCH{$path};	2398	delete $MAP_PREFETCH{$k};
1687	}	2399	}
1688	}	2400	}
1689	undef $MAP_PREFETCHER;	2401	undef $MAP_PREFETCHER;
1690	};	2402	};
1691	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
1692		2404
1693	()	2405	()
1694	}	2406	}
1695		2407
		2408	# common code, used by both ->save and ->swapout
1696	sub save {	2409	sub _save {
1697	my ($self) = @_;	2410	my ($self) = @_;
1698
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;
1700		2411
1701	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
1702		2413
1703	return unless $self->dirty;	2414	return unless $self->dirty;
1704		2415
…		…
1710	return if $self->{deny_save};	2421	return if $self->{deny_save};
1711		2422
1712	local $self->{last_access} = $self->last_access;#d#	2423	local $self->{last_access} = $self->last_access;#d#
1713		2424
1714	cf::async {	2425	cf::async {
		2426	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2427	$_->contr->save for $self->players;
1716	};	2428	};
		2429
		2430	cf::get_slot 0.02;
1717		2431
1718	if ($uniq) {	2432	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2433	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2434	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1721	} else {	2435	} else {
1722	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1723	}	2437	}
1724	}	2438	}
1725		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
1726	sub swap_out {	2448	sub swap_out {
1727	my ($self) = @_;	2449	my ($self) = @_;
1728		2450
1729	# save first because save cedes
1730	$self->save;
1731
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
1734	return if $self->players;	2455	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;
1736	return if $self->{deny_save};
1737		2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
1738	$self->clear;	2466	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2467	}
1741		2468
1742	sub reset_at {	2469	sub reset_at {
1743	my ($self) = @_;	2470	my ($self) = @_;
1744		2471
…		…
1762		2489
1763	my $lock = cf::lock_acquire "map_data:$self->{path}";	2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
1764		2491
1765	return if $self->players;	2492	return if $self->players;
1766		2493
1767	warn "resetting map ", $self->path;	2494	cf::trace "resetting map ", $self->path, "\n";
1768		2495
1769	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
1770		2497
1771	# need to save uniques path	2498	# need to save uniques path
1772	unless ($self->{deny_save}) {	2499	unless ($self->{deny_save}) {
1773	my $uniq = $self->uniq_path; utf8::encode $uniq;	2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
1774		2501
…		…
1776	if $uniq;	2503	if $uniq;
1777	}	2504	}
1778		2505
1779	delete $cf::MAP{$self->path};	2506	delete $cf::MAP{$self->path};
1780		2507
		2508	$self->deactivate;
		2509	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2510	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2511
1785	$self->unlink_save;	2512	$self->unlink_save;
1786	$self->destroy;	2513	$self->destroy;
1787	}	2514	}
1788		2515
1789	my $nuke_counter = "aaaa";	2516	my $nuke_counter = "aaaa";
1790		2517
1791	sub nuke {	2518	sub nuke {
1792	my ($self) = @_;	2519	my ($self) = @_;
1793		2520
		2521	{
		2522	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2523
1794	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
1795		2525
1796	$self->unlink_save;	2526	$self->unlink_save;
1797		2527
1798	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
1799	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2533
1804	$cf::MAP{$self->path} = $self;	2534	$cf::MAP{$self->path} = $self;
		2535	}
1805		2536
1806	$self->reset; # polite request, might not happen	2537	$self->reset; # polite request, might not happen
1807	}	2538	}
1808		2539
1809	=item $maps = cf::map::tmp_maps	2540	=item $maps = cf::map::tmp_maps
…		…
1851		2582
1852	sub unique_maps() {	2583	sub unique_maps() {
1853	[	2584	[
1854	map {	2585	map {
1855	utf8::decode $_;	2586	utf8::decode $_;
1856	/\.map$/	2587	s/\.map$//; # TODO future compatibility hack
		2588	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2589	? ()
1857	? normalise $_	2590	: normalise $_
1858	: ()
1859	} @{ aio_readdir $UNIQUEDIR or [] }	2591	} @{ aio_readdir $UNIQUEDIR or [] }
1860	]	2592	]
1861	}	2593	}
1862		2594
1863	package cf;	2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
1864		2626
1865	=back	2627	=back
1866		2628
1867	=head3 cf::object	2629	=head3 cf::object
1868		2630
…		…
1872		2634
1873	=over 4	2635	=over 4
1874		2636
1875	=item $ob->inv_recursive	2637	=item $ob->inv_recursive
1876		2638
1877	Returns the inventory of the object _and_ their inventories, recursively.	2639	Returns the inventory of the object I<and> their inventories, recursively,
		2640	but I<not> the object itself.
1878		2641
1879	=cut	2642	=cut
1880		2643
1881	sub inv_recursive_;	2644	sub inv_recursive_;
1882	sub inv_recursive_ {	2645	sub inv_recursive_ {
…		…
1885		2648
1886	sub inv_recursive {	2649	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2650	inv_recursive_ inv $_[0]
1888	}	2651	}
1889		2652
		2653	=item $ref = $ob->ref
		2654
		2655	Creates and returns a persistent reference to an object that can be stored as a string.
		2656
		2657	=item $ob = cf::object::deref ($refstring)
		2658
		2659	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2660	even if the object actually exists. May block.
		2661
		2662	=cut
		2663
		2664	sub deref {
		2665	my ($ref) = @_;
		2666
		2667	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2668	my ($uuid, $name) = ($1, $2);
		2669	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2670	or return;
		2671	$pl->ob->uuid eq $uuid
		2672	or return;
		2673
		2674	$pl->ob
		2675	} else {
		2676	warn "$ref: cannot resolve object reference\n";
		2677	undef
		2678	}
		2679	}
		2680
1890	package cf;	2681	package cf;
1891		2682
1892	=back	2683	=back
1893		2684
1894	=head3 cf::object::player	2685	=head3 cf::object::player
…		…
1900	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2691	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1901	can be C<undef>. Does the right thing when the player is currently in a	2692	can be C<undef>. Does the right thing when the player is currently in a
1902	dialogue with the given NPC character.	2693	dialogue with the given NPC character.
1903		2694
1904	=cut	2695	=cut
		2696
		2697	our $SAY_CHANNEL = {
		2698	id => "say",
		2699	title => "Map",
		2700	reply => "say ",
		2701	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2702	};
		2703
		2704	our $CHAT_CHANNEL = {
		2705	id => "chat",
		2706	title => "Chat",
		2707	reply => "chat ",
		2708	tooltip => "Player chat and shouts, global to the server.",
		2709	};
1905		2710
1906	# rough implementation of a future "reply" method that works	2711	# rough implementation of a future "reply" method that works
1907	# with dialog boxes.	2712	# with dialog boxes.
1908	#TODO: the first argument must go, split into a $npc->reply_to ( method	2713	#TODO: the first argument must go, split into a $npc->reply_to ( method
1909	sub cf::object::player::reply($$$;$) {	2714	sub cf::object::player::reply($$$;$) {
…		…
1911		2716
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2717	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2718
1914	if ($self->{record_replies}) {	2719	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2720	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2721
1916	} else {	2722	} else {
		2723	my $pl = $self->contr;
		2724
		2725	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2726	my $dialog = $pl->{npc_dialog};
		2727	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2728
		2729	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2730	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2731	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2732	}
1919	}	2733	}
		2734	}
		2735
		2736	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2737
		2738	=cut
		2739
		2740	sub cf::object::send_msg {
		2741	my $pl = shift->contr
		2742	or return;
		2743	$pl->send_msg (@_);
1920	}	2744	}
1921		2745
1922	=item $player_object->may ("access")	2746	=item $player_object->may ("access")
1923		2747
1924	Returns wether the given player is authorized to access resource "access"	2748	Returns wether the given player is authorized to access resource "access"
…		…
1937		2761
1938	=item $player_object->enter_link	2762	=item $player_object->enter_link
1939		2763
1940	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
1941		2765
1942	The player should be reasonably safe there for short amounts of time. You	2766	The player should be reasonably safe there for short amounts of time (e.g.
1943	I<MUST> call C<leave_link> as soon as possible, though.	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2768	though, as the player cannot control the character while it is on the link
		2769	map.
1944		2770
1945	Will never block.	2771	Will never block.
1946		2772
1947	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
1948		2774
…		…
1968	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
1969	my ($self) = @_;	2795	my ($self) = @_;
1970		2796
1971	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
1972		2798
		2799	++$self->{_link_recursion};
		2800
1973	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
1974		2802
1975	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1976	if $self->map && $self->map->{path} ne "{link}";	2804	if $self->map && $self->map->{path} ne "{link}";
1977		2805
1978	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1979	}	2807	}
1980		2808
1981	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
1982	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
1983		2811
…		…
2000	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
2001	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
2002		2830
2003	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
2006		2834
2007	$map->load;	2835	$map->load;
2008	$map->load_diag;
2009		2836
2010	return unless $self->contr->active;	2837	return unless $self->contr->active;
2011	$self->activate_recursive;
2012		2838
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
2015	}	2841	# entering was successful
		2842	delete $self->{_link_recursion};
		2843	# only activate afterwards, to support waiting in hooks
		2844	$self->activate_recursive;
		2845	}
2016		2846
		2847	}
		2848
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2018		2850
2019	Moves the player to the given map-path and coordinates by first freezing	2851	Moves the player to the given map-path and coordinates by first freezing
2020	her, loading and preparing them map, calling the provided $check callback	2852	her, loading and preparing them map, calling the provided $check callback
2021	that has to return the map if sucecssful, and then unfreezes the player on	2853	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2854	the new (success) or old (failed) map position. In either case, $done will
		2855	be called at the end of this process.
		2856
		2857	Note that $check will be called with a potentially non-loaded map, so if
		2858	it needs a loaded map it has to call C<< ->load >>.
2023		2859
2024	=cut	2860	=cut
2025		2861
2026	our $GOTOGEN;	2862	our $GOTOGEN;
2027		2863
2028	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
2030		2872
2031	# do generation counting so two concurrent goto's will be executed in-order	2873	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2875
2034	$self->enter_link;	2876	$self->enter_link;
2035		2877
2036	(async {	2878	(async {
		2879	$Coro::current->{desc} = "player::goto $path $x $y";
		2880
		2881	# *tag paths override both path and x|y
		2882	if ($path =~ /^\*(.*)$/) {
		2883	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2884	my $ob = $obs[rand @obs];
		2885
		2886	# see if we actually can go there
		2887	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2888	$ob = $obs[rand @obs];
		2889	} else {
		2890	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2891	}
		2892	# else put us there anyways for now #d#
		2893
		2894	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2895	} else {
		2896	($path, $x, $y) = (undef, undef, undef);
		2897	}
		2898	}
		2899
2037	my $map = eval {	2900	my $map = eval {
2038	my $map = cf::map::find $path;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2039		2902
2040	if ($map) {	2903	if ($map) {
2041	$map = $map->customise_for ($self);	2904	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2905	$map = $check->($map, $x, $y, $self) if $check && $map;
2043	} else {	2906	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2908	}
2046		2909
2047	$map	2910	$map
2048	};	2911	};
2049		2912
…		…
2054		2917
2055	if ($gen == $self->{_goto_generation}) {	2918	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2919	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
2058	}	2921	}
		2922
		2923	$done->($self) if $done;
2059	})->prio (1);	2924	})->prio (1);
2060	}	2925	}
2061		2926
2062	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
2063		2928
…		…
2083	}	2948	}
2084		2949
2085	sub prepare_random_map {	2950	sub prepare_random_map {
2086	my ($exit) = @_;	2951	my ($exit) = @_;
2087		2952
2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
2089
2090	# all this does is basically replace the /! path by	2953	# all this does is basically replace the /! path by
2091	# a new random map path (?random/...) with a seed	2954	# a new random map path (?random/...) with a seed
2092	# that depends on the exit object	2955	# that depends on the exit object
2093		2956
2094	my $rmp = parse_random_map_params $exit->msg;	2957	my $rmp = parse_random_map_params $exit->msg;
…		…
2096	if ($exit->map) {	2959	if ($exit->map) {
2097	$rmp->{region} = $exit->region->name;	2960	$rmp->{region} = $exit->region->name;
2098	$rmp->{origin_map} = $exit->map->path;	2961	$rmp->{origin_map} = $exit->map->path;
2099	$rmp->{origin_x} = $exit->x;	2962	$rmp->{origin_x} = $exit->x;
2100	$rmp->{origin_y} = $exit->y;	2963	$rmp->{origin_y} = $exit->y;
		2964
		2965	$exit->map->touch;
2101	}	2966	}
2102		2967
2103	$rmp->{random_seed} ||= $exit->random_seed;	2968	$rmp->{random_seed} ||= $exit->random_seed;
2104		2969
2105	my $data = cf::to_json $rmp;	2970	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2106	my $md5 = Digest::MD5::md5_hex $data;	2971	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2972	my $meta = "$RANDOMDIR/$md5.meta";
2108		2973
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2974	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2975	aio_write $fh, 0, (length $data), $data, 0;
2111	undef $fh;	2976	undef $fh;
2112	aio_rename "$meta~", $meta;	2977	aio_rename "$meta~", $meta;
2113		2978
		2979	my $slaying = "?random/$md5";
		2980
		2981	if ($exit->valid) {
2114	$exit->slaying ("?random/$md5");	2982	$exit->slaying ("?random/$md5");
2115	$exit->msg (undef);	2983	$exit->msg (undef);
		2984	}
2116	}	2985	}
2117	}	2986	}
2118		2987
2119	sub cf::object::player::enter_exit {	2988	sub cf::object::player::enter_exit {
2120	my ($self, $exit) = @_;	2989	my ($self, $exit) = @_;
2121		2990
2122	return unless $self->type == cf::PLAYER;	2991	return unless $self->type == cf::PLAYER;
2123		2992
2124	if ($exit->slaying eq "/!") {
2125	#TODO: this should de-fi-ni-te-ly not be a sync-job
2126	# the problem is that $exit might not survive long enough
2127	# so it needs to be done right now, right here
2128	cf::sync_job { prepare_random_map $exit };
2129	}
2130
2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2132	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;
2134
2135	$self->enter_link;	2993	$self->enter_link;
2136		2994
2137	(async {	2995	(async {
2138	$self->deactivate_recursive; # just to be sure	2996	$Coro::current->{desc} = "enter_exit";
		2997
2139	unless (eval {	2998	unless (eval {
		2999	$self->deactivate_recursive; # just to be sure
		3000
		3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3002	my $x = $exit->stats->hp;
		3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
		3027
2140	$self->goto ($slaying, $hp, $sp);	3028	$self->goto ($map, $x, $y);
2141		3029
		3030	# if exit is damned, update players death & WoR home-position
		3031	$self->contr->savebed ($map, $x, $y)
		3032	if $exit->flag (cf::FLAG_DAMNED);
		3033
2142	1;	3034	1
2143	}) {	3035	}) {
2144	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2145	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
2146	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2147	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2148		3040
2149	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2150	$self->leave_link;	3042	$self->leave_link;
2151	}	3043	}
2152	})->prio (1);	3044	})->prio (1);
2153	}	3045	}
2154		3046
…		…
2168		3060
2169	utf8::encode $text;	3061	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	3063	}
2172		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
		3088	}
		3089
		3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3091
		3092	Send a drawinfo or msg packet to the client, formatting the msg for the
		3093	client if neccessary. C<$type> should be a string identifying the type of
		3094	the message, with C<log> being the default. If C<$color> is negative, suppress
		3095	the message unless the client supports the msg packet.
		3096
		3097	=cut
		3098
		3099	# non-persistent channels (usually the info channel)
		3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
		3107	"c/identify" => {
		3108	id => "infobox",
		3109	title => "Identify",
		3110	reply => undef,
		3111	tooltip => "Items recently identified",
		3112	},
		3113	"c/examine" => {
		3114	id => "infobox",
		3115	title => "Examine",
		3116	reply => undef,
		3117	tooltip => "Signs and other items you examined",
		3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
		3124	},
		3125	"c/book" => {
		3126	id => "infobox",
		3127	title => "Book",
		3128	reply => undef,
		3129	tooltip => "The contents of a note or book",
		3130	},
		3131	"c/lookat" => {
		3132	id => "infobox",
		3133	title => "Look",
		3134	reply => undef,
		3135	tooltip => "What you saw there",
		3136	},
		3137	"c/who" => {
		3138	id => "infobox",
		3139	title => "Players",
		3140	reply => undef,
		3141	tooltip => "Shows players who are currently online",
		3142	},
		3143	"c/body" => {
		3144	id => "infobox",
		3145	title => "Body Parts",
		3146	reply => undef,
		3147	tooltip => "Shows which body parts you posess and are available",
		3148	},
		3149	"c/statistics" => {
		3150	id => "infobox",
		3151	title => "Statistics",
		3152	reply => undef,
		3153	tooltip => "Shows your primary statistics",
		3154	},
		3155	"c/skills" => {
		3156	id => "infobox",
		3157	title => "Skills",
		3158	reply => undef,
		3159	tooltip => "Shows your experience per skill and item power",
		3160	},
		3161	"c/shopitems" => {
		3162	id => "infobox",
		3163	title => "Shop Items",
		3164	reply => undef,
		3165	tooltip => "Shows the items currently for sale in this shop",
		3166	},
		3167	"c/resistances" => {
		3168	id => "infobox",
		3169	title => "Resistances",
		3170	reply => undef,
		3171	tooltip => "Shows your resistances",
		3172	},
		3173	"c/pets" => {
		3174	id => "infobox",
		3175	title => "Pets",
		3176	reply => undef,
		3177	tooltip => "Shows information abotu your pets/a specific pet",
		3178	},
		3179	"c/perceiveself" => {
		3180	id => "infobox",
		3181	title => "Perceive Self",
		3182	reply => undef,
		3183	tooltip => "You gained detailed knowledge about yourself",
		3184	},
		3185	"c/uptime" => {
		3186	id => "infobox",
		3187	title => "Uptime",
		3188	reply => undef,
		3189	tooltip => "How long the server has been running since last restart",
		3190	},
		3191	"c/mapinfo" => {
		3192	id => "infobox",
		3193	title => "Map Info",
		3194	reply => undef,
		3195	tooltip => "Information related to the maps",
		3196	},
		3197	"c/party" => {
		3198	id => "party",
		3199	title => "Party",
		3200	reply => "gsay ",
		3201	tooltip => "Messages and chat related to your party",
		3202	},
		3203	"c/death" => {
		3204	id => "death",
		3205	title => "Death",
		3206	reply => undef,
		3207	tooltip => "Reason for and more info about your most recent death",
		3208	},
		3209	"c/say" => $SAY_CHANNEL,
		3210	"c/chat" => $CHAT_CHANNEL,
		3211	);
		3212
		3213	sub cf::client::send_msg {
		3214	my ($self, $channel, $msg, $color, @extra) = @_;
		3215
		3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
		3218
		3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3220
		3221	# check predefined channels, for the benefit of C
		3222	if ($CHANNEL{$channel}) {
		3223	$channel = $CHANNEL{$channel};
		3224
		3225	$self->ext_msg (channel_info => $channel);
		3226	$channel = $channel->{id};
		3227
		3228	} elsif (ref $channel) {
		3229	# send meta info to client, if not yet sent
		3230	unless (exists $self->{channel}{$channel->{id}}) {
		3231	$self->{channel}{$channel->{id}} = $channel;
		3232	$self->ext_msg (channel_info => $channel);
		3233	}
		3234
		3235	$channel = $channel->{id};
		3236	}
		3237
		3238	return unless @extra || length $msg;
		3239
		3240	# default colour, mask it out
		3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3242	if $color & cf::NDI_DEF;
		3243
		3244	my $pkt = "msg "
		3245	. $self->{json_coder}->encode (
		3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3247	);
		3248
		3249	$self->send_big_packet ($pkt);
		3250	}
		3251
2173	=item $client->ext_event ($type, %msg)	3252	=item $client->ext_msg ($type, @msg)
2174		3253
2175	Sends an exti event to the client.	3254	Sends an ext event to the client.
2176		3255
2177	=cut	3256	=cut
2178		3257
2179	sub cf::client::ext_event($$%) {	3258	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	3259	my ($self, $type, @msg) = @_;
2181		3260
2182	$msg{msgtype} = "event_$type";	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2183	$self->send_packet ("ext " . cf::to_json \%msg);
2184	}	3262	}
2185		3263
2186	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2187		3265
2188	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3267	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3268	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		3269
2192	Queries can fail, so check the return code. Or don't, as queries will become	3270	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	3271	become reliable at some point in the future.
2194		3272
2195	=cut	3273	=cut
2196		3274
2197	sub cf::client::query {	3275	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	3276	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	3284	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3285	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		3286
2209	$self->send_packet ($self->{query_queue}[0][0])	3287	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	3288	if @{ $self->{query_queue} } == 1;
		3289
		3290	1
2211	}	3291	}
2212		3292
2213	cf::client->attach (	3293	cf::client->attach (
		3294	on_connect => sub {
		3295	my ($ns) = @_;
		3296
		3297	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3298	},
2214	on_reply => sub {	3299	on_reply => sub {
2215	my ($ns, $msg) = @_;	3300	my ($ns, $msg) = @_;
2216		3301
2217	# this weird shuffling is so that direct followup queries	3302	# this weird shuffling is so that direct followup queries
2218	# get handled first	3303	# get handled first
…		…
2230	} else {	3315	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3316	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	3317	}
2233	}	3318	}
2234	},	3319	},
		3320	on_exticmd => sub {
		3321	my ($ns, $buf) = @_;
		3322
		3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3324
		3325	if (ref $msg) {
		3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3327
		3328	if (my $cb = $EXTIACMD{$type}) {
		3329	$cb->(
		3330	$ns,
		3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
		3341	@reply = $cb->($ns, @payload);
		3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
		3346	}
		3347	} else {
		3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3349	}
		3350
		3351	cf::override;
		3352	},
2235	);	3353	);
2236		3354
2237	=item $client->async (\&cb)	3355	=item $client->async (\&cb)
2238		3356
2239	Create a new coroutine, running the specified callback. The coroutine will	3357	Create a new coroutine, running the specified callback. The coroutine will
…		…
2255		3373
2256	$coro	3374	$coro
2257	}	3375	}
2258		3376
2259	cf::client->attach (	3377	cf::client->attach (
2260	on_destroy => sub {	3378	on_client_destroy => sub {
2261	my ($ns) = @_;	3379	my ($ns) = @_;
2262		3380
2263	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2264	},	3382	},
2265	);	3383	);
…		…
2280	our $safe = new Safe "safe";	3398	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
2282		3400
2283	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
2284		3402
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3403	$safe->permit_only (Opcode::opset qw(
		3404	:base_core :base_mem :base_orig :base_math :base_loop
		3405	grepstart grepwhile mapstart mapwhile
		3406	sort time
		3407	));
2286		3408
2287	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
2288		3410
2289	=pod	3411	=pod
2290		3412
2291	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
2292		3414
2293	cf::object contr pay_amount pay_player map	3415	cf::object
		3416	contr pay_amount pay_player map x y force_find force_add destroy
		3417	insert remove name archname title slaying race decrease split
		3418	value
		3419
2294	cf::object::player player	3420	cf::object::player
2295	cf::player peaceful	3421	player
2296	cf::map trigger	3422
		3423	cf::player
		3424	peaceful
		3425
		3426	cf::map
		3427	trigger
2297		3428
2298	=cut	3429	=cut
2299		3430
2300	for (	3431	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3433	insert remove inv nrof name archname title slaying race
		3434	decrease split destroy change_exp value msg lore send_msg)],
2302	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
2304	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
2305	) {	3438	) {
2306	no strict 'refs';
2307	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
2308	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2309	for @funs;	3441	for @funs;
2310	}	3442	}
2311		3443
…		…
2326		3458
2327	my $qcode = $code;	3459	my $qcode = $code;
2328	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2329	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
2330		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
2331	local $_;	3466	local $_;
2332	local @safe::cf::_safe_eval_args = values %vars;
2333		3467
2334	my $eval =	3468	my $eval =
2335	"do {\n"	3469	"do {\n"
2336	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2337	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
2338	. $code	3472	. $code
2339	. "\n}"	3473	. "\n}"
2340	;	3474	;
2341		3475
		3476	if ($CFG{safe_eval}) {
2342	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
2343	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2344	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
2345		3485
2346	if ($@) {	3486	if ($@) {
2347	warn "$@";	3487	warn "$@",
2348	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
2349	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
2350	}	3490	}
2351		3491
2352	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
2353	}	3493	}
2354		3494
…		…
2368	=cut	3508	=cut
2369		3509
2370	sub register_script_function {	3510	sub register_script_function {
2371	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
2372		3512
2373	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
2374	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
2375	}	3515	}
2376		3516
2377	=back	3517	=back
2378		3518
2379	=cut	3519	=cut
2380
2381	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552		3520
2553	#############################################################################	3521	#############################################################################
2554	# the server's init and main functions	3522	# the server's init and main functions
2555		3523
		3524	our %FACEHASH; # hash => idx, #d# HACK for http server
		3525	our @FACEDATA; # dynamically-created facedata
		3526
		3527	# internal api, not fianlised
		3528	sub set_face {
		3529	my ($name, $type, $data) = @_;
		3530
		3531	my $idx = cf::face::find $name;
		3532
		3533	if ($idx) {
		3534	delete $FACEHASH{cf::face::get_chksum $idx};
		3535	} else {
		3536	$idx = cf::face::alloc $name;
		3537	}
		3538
		3539	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3540
		3541	cf::face::set_type $idx, $type;
		3542	cf::face::set_data $idx, 0, (length $data), 0, $hash;
		3543	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3544
		3545	# we need to destroy the SV itself, not just overwrite,
		3546	# as a running ix might hold a reference to it.
		3547	# delete achieves that.
		3548	delete $FACEDATA[$idx];
		3549	$FACEDATA[$idx] = $data;
		3550	$FACEHASH{$hash} = $idx;#d#
		3551
		3552	$idx
		3553	}
		3554
		3555	our $FACEDATA; # facedata filehandle
		3556
		3557	sub _face_get_data($$$$) {
		3558	my ($idx, $size, $fofs, $cb) = @_;
		3559
		3560	if (defined $FACEDATA[$idx]) {
		3561	$cb->($FACEDATA[$idx]);
		3562	} elsif ($fofs) {
		3563	my $buf;
		3564	IO::AIO::aio_read $FACEDATA, $fofs, $size, $buf, 0, sub {
		3565	if ($_[0] == $size) {
		3566	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3567	$cb->($buf);
		3568	} else {
		3569	cf::error "INTERNAL ERROR: unable to read facedata for face $idx ($size, $fofs), ignoring request.";
		3570	}
		3571	};
		3572	} else {
		3573	cf::error "requested facedata for unknown face $idx ($size, $fofs), ignoring.";
		3574	}
		3575	}
		3576
		3577	# rather ineffient
		3578	sub cf::face::get_data($;$) {
		3579	my ($idx, $faceset) = @_;
		3580
		3581	my $size = cf::face::get_size $idx, $faceset;
		3582	my $fofs = cf::face::get_fofs $idx, $faceset;
		3583
		3584	_face_get_data $idx, $size, $fofs, Coro::rouse_cb;
		3585	Coro::rouse_wait
		3586	}
		3587
		3588	sub cf::face::ix {
		3589	my ($ns, $idx, $pri, $size, $fofs) = @_;
		3590
		3591	_face_get_data $idx, $size, $fofs, sub {
		3592	$ns->ix_send ($idx, $pri, $_[0]);
		3593	};
		3594	}
		3595
2556	sub load_facedata($) {	3596	sub load_facedata($) {
2557	my ($path) = @_;	3597	my ($path) = @_;
2558		3598
		3599	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3600
2559	warn "loading facedata from $path\n";	3601	trace "loading facedata from $path\n";
2560		3602
2561	my $facedata;	3603	my $facedata = decode_storable load_file "$path/faceinfo";
2562	0 < aio_load $path, $facedata
2563	or die "$path: $!";
2564
2565	$facedata = Coro::Storable::thaw $facedata;
2566		3604
2567	$facedata->{version} == 2	3605	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3606	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3607
		3608	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3609	or cf::cleanup "$path/facedata: $!, cnanot proceed.";
		3610
		3611	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3612
		3613	# BEGIN ATOMIC
		3614	# from here on, everything must be atomic - no thread switch allowed
		3615	my $t1 = EV::time;
2569		3616
2570	{	3617	{
2571	my $faces = $facedata->{faceinfo};	3618	my $faces = $facedata->{faceinfo};
2572		3619
2573	while (my ($face, $info) = each %$faces) {	3620	for my $face (sort keys %$faces) {
		3621	my $info = $faces->{$face};
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3622	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3623
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3624	cf::face::set_visibility $idx, $info->{visibility};
		3625	cf::face::set_magicmap $idx, $info->{magicmap};
		3626	cf::face::set_data $idx, 0, $info->{size32}, $info->{fofs32}, $info->{hash32};
		3627	cf::face::set_data $idx, 1, $info->{size64}, $info->{fofs64}, $info->{hash64};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3628	#cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3629	$FACEHASH{$info->{hash64}} = $idx;#d#
2578	Coro::cede;
2579	}	3630	}
2580		3631
2581	while (my ($face, $info) = each %$faces) {	3632	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3633	next unless $info->{smooth};
		3634
2583	my $idx = cf::face::find $face	3635	my $idx = cf::face::find $face
2584	or next;	3636	or next;
		3637
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3638	if (my $smooth = cf::face::find $info->{smooth}) {
		3639	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3640	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3641	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3642	error "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3643	}
2590	Coro::cede;
2591	}	3644	}
2592	}	3645	}
2593		3646
2594	{	3647	{
2595	my $anims = $facedata->{animinfo};	3648	my $anims = $facedata->{animinfo};
2596		3649
2597	while (my ($anim, $info) = each %$anims) {	3650	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3651	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;
2600	}	3652	}
2601		3653
2602	cf::anim::invalidate_all; # d'oh	3654	cf::anim::invalidate_all; # d'oh
2603	}	3655	}
2604		3656
		3657	{
		3658	my $res = $facedata->{resource};
		3659
		3660	while (my ($name, $info) = each %$res) {
		3661	if (defined (my $type = $info->{type})) {
		3662	# TODO: different hash - must free and use new index, or cache ixface data queue
		3663	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3664
		3665	cf::face::set_type $idx, $type;
		3666	cf::face::set_data $idx, 0, $info->{size}, $info->{fofs}, $info->{hash};
		3667	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3668	$FACEHASH{$info->{hash}} = $idx;#d#
		3669	} else {
		3670	# $RESOURCE{$name} = $info; # unused
		3671	}
		3672	}
		3673	}
		3674
		3675	($fh, $FACEDATA) = ($FACEDATA, $fh);
		3676
		3677	# HACK to clear player env face cache, we need some signal framework
		3678	# for this (global event?)
		3679	%ext::player_env::MUSIC_FACE_CACHE = ();
		3680
		3681	# END ATOMIC
		3682
		3683	cf::debug "facedata atomic update time ", EV::time - $t1;
		3684
		3685	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3686
		3687	aio_close $fh if $fh; # close old facedata
		3688
2605	1	3689	1
2606	}	3690	}
2607		3691
		3692	register_exticmd fx_want => sub {
		3693	my ($ns, $want) = @_;
		3694
		3695	while (my ($k, $v) = each %$want) {
		3696	$ns->fx_want ($k, $v);
		3697	}
		3698	};
		3699
		3700	sub load_resource_file($) {
		3701	my $guard = lock_acquire "load_resource_file";
		3702
		3703	my $status = load_resource_file_ $_[0];
		3704	get_slot 0.1, 100;
		3705	cf::arch::commit_load;
		3706
		3707	$status
		3708	}
		3709
		3710	sub reload_exp_table {
		3711	_reload_exp_table;
		3712
		3713	set_face "res/exp_table" => FT_RSRC,
		3714	JSON::XS->new->utf8->canonical->encode (
		3715	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3716	);
		3717	}
		3718
		3719	sub reload_materials {
		3720	_reload_materials;
		3721	}
		3722
2608	sub reload_regions {	3723	sub reload_regions {
		3724	# HACK to clear player env face cache, we need some signal framework
		3725	# for this (global event?)
		3726	%ext::player_env::MUSIC_FACE_CACHE = ();
		3727
2609	load_resource_file "$MAPDIR/regions"	3728	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3729	or die "unable to load regions file\n";
		3730
		3731	for (cf::region::list) {
		3732	$_->{match} = qr/$_->{match}/
		3733	if exists $_->{match};
		3734	}
2611	}	3735	}
2612		3736
2613	sub reload_facedata {	3737	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3738	load_facedata $DATADIR
2615	or die "unable to load facedata\n";	3739	or die "unable to load facedata\n";
2616	}	3740	}
2617		3741
2618	sub reload_archetypes {	3742	sub reload_archetypes {
2619	load_resource_file "$DATADIR/archetypes"	3743	load_resource_file "$DATADIR/archetypes"
2620	or die "unable to load archetypes\n";	3744	or die "unable to load archetypes\n";
		3745
		3746	set_face "res/skill_info" => FT_RSRC,
		3747	JSON::XS->new->utf8->canonical->encode (
		3748	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3749	);
		3750	set_face "res/spell_paths" => FT_RSRC,
		3751	JSON::XS->new->utf8->canonical->encode (
		3752	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3753	);
2621	}	3754	}
2622		3755
2623	sub reload_treasures {	3756	sub reload_treasures {
2624	load_resource_file "$DATADIR/treasures"	3757	load_resource_file "$DATADIR/treasures"
2625	or die "unable to load treasurelists\n";	3758	or die "unable to load treasurelists\n";
2626	}	3759	}
2627		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
2628	sub reload_resources {	3781	sub reload_resources {
2629	warn "reloading resource files...\n";	3782	trace "reloading resource files...\n";
2630		3783
		3784	reload_materials;
		3785	reload_facedata;
		3786	reload_exp_table;
		3787	reload_sound;
		3788	reload_archetypes;
2631	reload_regions;	3789	reload_regions;
2632	reload_facedata;
2633	#reload_archetypes;#d#
2634	reload_archetypes;
2635	reload_treasures;	3790	reload_treasures;
2636		3791
2637	warn "finished reloading resource files\n";	3792	trace "finished reloading resource files\n";
2638	}	3793	}
2639		3794
2640	sub init {	3795	sub reload_config {
2641	reload_resources;	3796	trace "reloading config file...\n";
2642	}
2643		3797
2644	sub cfg_load {	3798	my $config = load_file "$CONFDIR/config";
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3799	utf8::decode $config;
2646	or return;	3800	*CFG = decode_yaml $config;
2647		3801
2648	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;
2650
2651	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3802	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2652		3803
2653	$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};
2654	$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};
2655		3806
2656	if (exists $CFG{mlockall}) {	3807	if (exists $CFG{mlockall}) {
…		…
2660	};	3811	};
2661	warn $@ if $@;	3812	warn $@ if $@;
2662	}	3813	}
2663	}	3814	}
2664		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
2665	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
2666	# we must not ever block the main coroutine	3854	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3855	$Coro::idle = sub {
2668	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#
2669	(async {	3857	(async {
2670	Event::one_event;	3858	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3859	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3860	})->prio (Coro::PRIO_MAX);
2672	};	3861	};
2673		3862
2674	cfg_load;	3863	evthread_start IO::AIO::poll_fileno;
		3864
		3865	cf::sync_job {
		3866	cf::incloader::init ();
		3867
2675	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
2676	load_extensions;	3887	load_extensions;
2677		3888
2678	$TICK_WATCHER->start;	3889	utime time, time, $RUNTIMEFILE;
2679	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;
2680	}	3906	}
2681		3907
2682	#############################################################################	3908	#############################################################################
2683	# initialisation and cleanup	3909	# initialisation and cleanup
2684		3910
2685	# install some emergency cleanup handlers	3911	# install some emergency cleanup handlers
2686	BEGIN {	3912	BEGIN {
		3913	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3914	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3915	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2689	reentrant => 0,
2690	data => WF_AUTOCANCEL,
2691	signal => $signal,
2692	prio => 0,
2693	cb => sub {
2694	cf::cleanup "SIG$signal";	3916	cf::cleanup "SIG$signal";
2695	},
2696	);	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
2697	}	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 };
2698	}	4007	}
2699		4008
2700	sub emergency_save() {	4009	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	4010	my $freeze_guard = cf::freeze_mainloop;
2702		4011
2703	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;
2704		4018
2705	cf::sync_job {	4019	cf::sync_job {
		4020	cf::write_runtime_sync; # external watchdog should not bark
		4021
2706	# use a peculiar iteration method to avoid tripping on perl	4022	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	4023	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	4024	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	4025	info "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	4026	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	4027	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	4028	$pl->valid or next;
		4029	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	4030	$pl->save;
2714	}	4031	}
2715	warn "end emergency player save\n";	4032	info "emergency_perl_save: end player save\n";
2716		4033
2717	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";
2718	for my $path (keys %cf::MAP) {	4037	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	4038	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	4039	$map->valid or next;
2721	$map->save;	4040	$map->save;
2722	}	4041	}
2723	warn "end emergency map save\n";	4042	info "emergency_perl_save: end map save\n";
2724		4043
2725	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";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	4047	BDB::db_env_txn_checkpoint $DB_ENV;
2727	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
2728	};	4072	};
2729		4073
2730	warn "leave emergency perl save\n";	4074	info "emergency_perl_save: leave\n";
2731	}	4075	}
2732		4076
2733	sub post_cleanup {	4077	sub post_cleanup {
2734	my ($make_core) = @_;	4078	my ($make_core) = @_;
2735		4079
		4080	IO::AIO::flush;
		4081
2736	warn Carp::longmess "post_cleanup backtrace"	4082	error Carp::longmess "post_cleanup backtrace"
2737	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	}
2738	}	4112	}
2739		4113
2740	sub do_reload_perl() {	4114	sub do_reload_perl() {
2741	# can/must only be called in main	4115	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	4116	unless (in_main) {
2743	warn "can only reload from main coroutine";	4117	error "can only reload from main coroutine";
2744	return;	4118	return;
2745	}	4119	}
2746		4120
2747	warn "reloading...";	4121	return if $RELOAD++;
2748		4122
2749	warn "entering sync_job";	4123	my $t1 = AE::time;
2750		4124
		4125	while ($RELOAD) {
		4126	cf::get_slot 0.1, -1, "reload_perl";
		4127	info "perl_reload: reloading...";
		4128
		4129	trace "perl_reload: entering sync_job";
		4130
2751	cf::sync_job {	4131	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark
2753	cf::emergency_save;	4132	#cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark
2755		4133
2756	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;
2758
2759	# if anything goes wrong in here, we should simply crash as we already saved
2760
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;
2772	warn "iterate...";
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";	4134	trace "perl_reload: cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;	4135	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();	4136	%EXT_CORO = ();
2780		4137
2781	warn "removing commands";	4138	trace "perl_reload: removing commands";
2782	%COMMAND = ();	4139	%COMMAND = ();
2783		4140
2784	warn "removing ext commands";	4141	trace "perl_reload: removing ext/exti commands";
2785	%EXTCMD = ();	4142	%EXTCMD = ();
		4143	%EXTICMD = ();
2786		4144
2787	warn "unloading/nuking all extensions";	4145	trace "perl_reload: unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	4146	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	4147	trace "... unloading $pkg";
2790		4148
2791	if (my $cb = $pkg->can ("unload")) {	4149	if (my $cb = $pkg->can ("unload")) {
2792	eval {	4150	eval {
2793	$cb->($pkg);	4151	$cb->($pkg);
2794	1	4152	1
2795	} 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;
2796	}	4158	}
2797		4159
2798	warn "... nuking $pkg";
2799	Symbol::delete_package $pkg;
2800	}
2801
2802	warn "unloading all perl modules loaded from $LIBDIR";	4160	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2803	while (my ($k, $v) = each %INC) {	4161	while (my ($k, $v) = each %INC) {
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4162	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		4163
2806	warn "... unloading $k";	4164	trace "... unloading $k";
2807	delete $INC{$k};	4165	delete $INC{$k};
2808		4166
2809	$k =~ s/\.pm$//;	4167	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;	4168	$k =~ s/\//::/g;
2811		4169
2812	if (my $cb = $k->can ("unload_module")) {	4170	if (my $cb = $k->can ("unload_module")) {
2813	$cb->();	4171	$cb->();
		4172	}
		4173
		4174	clear_package $k;
2814	}	4175	}
2815		4176
2816	Symbol::delete_package $k;
2817	}
2818
2819	warn "getting rid of safe::, as good as possible";	4177	trace "perl_reload: getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	4178	clear_package "safe::$_"
2821	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);
2822		4180
2823	warn "unloading cf.pm \"a bit\"";	4181	trace "perl_reload: unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	4182	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	4183	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		4184
2827	# don't, removes xs symbols, too,	4185	# don't, removes xs symbols, too,
2828	# and global variables created in xs	4186	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	4187	#clear_package __PACKAGE__;
2830		4188
2831	warn "unload completed, starting to reload now";	4189	info "perl_reload: unload completed, starting to reload now";
2832		4190
2833	warn "reloading cf.pm";	4191	trace "perl_reload: reloading cf.pm";
2834	require cf;	4192	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4193	cf::_connect_to_perl_1;
2836		4194
2837	warn "loading config and database again";	4195	trace "perl_reload: loading config and database again";
2838	cf::cfg_load;	4196	cf::reload_config;
2839		4197
2840	warn "loading extensions";	4198	trace "perl_reload: loading extensions";
2841	cf::load_extensions;	4199	cf::load_extensions;
2842		4200
		4201	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	4202	trace "perl_reload: reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	4203	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	4204	trace "perl_reload: reattaching attachments to maps";
2846	reattach $_ for values %MAP;	4205	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	4206	trace "perl_reload: reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	4207	reattach $_ for values %PLAYER;
		4208	}
2849		4209
2850	warn "leaving sync_job";	4210	cf::_post_init 1;
2851		4211
		4212	trace "perl_reload: leaving sync_job";
		4213
2852	1	4214	1
2853	} or do {	4215	} or do {
2854	warn $@;	4216	error $@;
2855	warn "error while reloading, exiting.";	4217	cf::cleanup "perl_reload: error, exiting.";
2856	exit 1;	4218	};
		4219
		4220	--$RELOAD;
2857	};	4221	}
2858		4222
2859	warn "reloaded";	4223	$t1 = AE::time - $t1;
		4224	info "perl_reload: completed in ${t1}s\n";
2860	};	4225	};
2861		4226
2862	our $RELOAD_WATCHER; # used only during reload	4227	our $RELOAD_WATCHER; # used only during reload
2863		4228
2864	sub reload_perl() {	4229	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	4230	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	4231	# coro crashes during coro_state_free->destroy here.
2867		4232
2868	$RELOAD_WATCHER ||= Event->timer (	4233	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	4234	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	4235
2871	data => WF_AUTOCANCEL,	4236	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	4237	do_reload_perl;
2874	undef $RELOAD_WATCHER;	4238	undef $RELOAD_WATCHER;
2875	},	4239	};
2876	);	4240	};
2877	}	4241	}
2878		4242
2879	register_command "reload" => sub {	4243	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	4244	my ($who, $arg) = @_;
2881		4245
2882	if ($who->flag (FLAG_WIZ)) {	4246	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	4247	$who->message ("reloading server.");
		4248	async {
		4249	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	4250	reload_perl;
		4251	};
2885	}	4252	}
2886	};	4253	};
2887		4254
2888	unshift @INC, $LIBDIR;	4255	#############################################################################
2889		4256
2890	my $bug_warning = 0;	4257	my $bug_warning = 0;
2891		4258
2892	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;
2894
2895	sub wait_for_tick {	4259	sub wait_for_tick() {
2896	return unless $TICK_WATCHER->is_active;	4260	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2897	return if $Coro::current == $Coro::main;
2898		4261
2899	my $signal = new Coro::Signal;	4262	$WAIT_FOR_TICK->wait;
2900	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;
2902	}	4263	}
2903		4264
2904	sub wait_for_tick_begin {	4265	sub wait_for_tick_begin() {
2905	return unless $TICK_WATCHER->is_active;	4266	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2906	return if $Coro::current == $Coro::main;
2907		4267
2908	my $signal = new Coro::Signal;	4268	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	4269	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	4270	$signal->wait;
2911	}	4271	}
2912		4272
2913	my $min = 1e6;#d#	4273	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	4274	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4275	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	4276	unless ++$bug_warning > 10;
2925	return;	4277	return;
2926	}	4278	}
2927		4279
2928	$NOW = $tick_start = Event::time;	4280	cf::one_tick; # one server iteration
2929		4281
2930	cf::server_tick; # one server iteration	4282	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2931		4283
2932	0 && sync_job {#d#	4284	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2933	for(1..10) {	4285	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2934	my $t = Event::time;	4286	Coro::async_pool {
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4287	$Coro::current->{desc} = "runtime saver";
2936	or die;	4288	write_runtime_sync
2937		4289	or error "ERROR: unable to write runtime file: $!";
2938	$map->width (50);
2939	$map->height (50);
2940	$map->alloc;
2941	$map->_load_objects ("/tmp/x.map", 1);
2942	my $t = Event::time - $t;
2943
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	4290	};
		4291	}
2954		4292
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4293	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	4294	$sig->send;
2971	}	4295	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	4296	$WAIT_FOR_TICK->broadcast;
2973	$sig->send;
2974	}
2975		4297
2976	$NOW = Event::time;	4298	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4299	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		4300
2987	_post_tick;	4301	if (0) {
2988		4302	if ($NEXT_TICK) {
2989		4303	my $jitter = $TICK_START - $NEXT_TICK;
		4304	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4305	debug "jitter $JITTER\n";#d#
		4306	}
2990	},	4307	}
2991	);	4308	}
2992		4309
2993	{	4310	{
2994	BDB::max_poll_time $TICK * 0.1;	4311	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	4312	info "initialising database";
2996	reentrant => 0,	4313
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	4314	BDB::min_parallel 16;
3004		4315	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	4316	#$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		4317
3020	unless ($DB_ENV) {	4318	unless ($DB_ENV) {
3021	$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);
3022		4325
3023	cf::sync_job {	4326	cf::sync_job {
3024	eval {	4327	eval {
3025	BDB::db_env_open	4328	BDB::db_env_open
3026	$DB_ENV,	4329	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4331	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4332	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	4333	0666;
3031		4334
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4335	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	4336	};
3037		4337
3038	cf::cleanup "db_env_open(db): $@" if $@;	4338	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	4339	};
3040	}	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";
3041	}	4353	}
3042		4354
3043	{	4355	{
		4356	# configure IO::AIO
		4357
		4358	info "initialising aio";
3044	IO::AIO::min_parallel 8;	4359	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	4360	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	4361	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,	4362	info "aio initialised";
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	4363	}
3057		4364
3058	my $_log_backtrace;	4365	our $_log_backtrace;
		4366	our $_log_backtrace_last;
3059		4367
3060	sub _log_backtrace {	4368	sub _log_backtrace {
3061	my ($msg, @addr) = @_;	4369	my ($msg, @addr) = @_;
3062		4370
3063	$msg =~ s/\n//;	4371	$msg =~ s/\n$//;
3064		4372
		4373	if ($_log_backtrace_last eq $msg) {
		4374	LOG llevInfo, "[ABT] $msg\n";
		4375	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3065	# limit the # of concurrent backtraces	4376	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	4377	} elsif ($_log_backtrace < 2) {
		4378	$_log_backtrace_last = $msg;
3067	++$_log_backtrace;	4379	++$_log_backtrace;
		4380	my $perl_bt = Carp::longmess $msg;
3068	async {	4381	async {
		4382	$Coro::current->{desc} = "abt $msg";
		4383
3069	my @bt = fork_call {	4384	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	4385	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4386	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	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 |"
3073	or die "addr2line: $!";	4388	or die "addr2line: $!";
…		…
3081	}	4396	}
3082		4397
3083	@funcs	4398	@funcs
3084	};	4399	};
3085		4400
3086	LOG llevInfo, "[ABT] $msg\n";	4401	LOG llevInfo, "[ABT] $perl_bt\n";
		4402	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	4403	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	4404	--$_log_backtrace;
3089	};	4405	};
3090	} else {	4406	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	4407	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	4408	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3093	}	4409	}
3094	}	4410	}
3095		4411
3096	# load additional modules	4412	# load additional modules
3097	use cf::pod;	4413	require "cf/$_.pm" for @EXTRA_MODULES;
		4414	cf::_connect_to_perl_2;
3098		4415
3099	END { cf::emergency_save }	4416	END { cf::emergency_save }
3100		4417
3101	1	4418	1
3102		4419

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