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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.322 by root, Fri Jul 27 10:10:51 2007 UTC vs.
Revision 1.602 by root, Sun Nov 11 18:21:21 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 ();
25	use JSON::XS 1.4 ();	57	use JSON::XS 2.01 ();
26	use BDB ();	58	use BDB ();
27	use Data::Dumper;	59	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	60	use Fcntl;
30	use YAML::Syck ();	61	use YAML::XS ();
31	use IO::AIO 2.32 ();	62	use IO::AIO ();
32	use Time::HiRes;
33	use Compress::LZF;	63	use Compress::LZF;
34	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
35		67
36	# configure various modules to our taste	68	# configure various modules to our taste
37	#	69	#
38	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		78
42	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
43		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		81
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
50		85
51	our %COMMAND = ();	86	our %COMMAND = ();
52	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
53		88
54	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
56	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
59		96
60	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
62		101
63	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
64	our $DATADIR = datadir;	104	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
68	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
74		125
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
80	our $NOW;	144	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		145
83	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
84	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
85
86	our %CFG;
87
88	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;
90
91	our %PLAYER; # all users
92	our %MAP; # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
94		149
95	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		152
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
101		165
102	binmode STDOUT;	166	binmode STDOUT;
103	binmode STDERR;	167	binmode STDERR;
104		168
105	# read virtual server time, if available	169	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
110	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
111		177
112	mkdir $_	178	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		180
115	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
116		182
117	sub cf::map::normalise;	183	sub cf::map::normalise;
118		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
119	#############################################################################	189	#############################################################################
120		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
121	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
122		203
123	=over 4	204	=over 4
124		205
125	=item $cf::UPTIME	206	=item $cf::UPTIME
126		207
127	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
128		224
129	=item $cf::RUNTIME	225	=item $cf::RUNTIME
130		226
131	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
132	every server tick.	228	every server tick.
133		229
134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
137		233
138	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
140	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
141	database environment.	237	database environment.
142		238
143	=item $cf::NOW
144
145	The time of the last (current) server tick.
146
147	=item $cf::TICK
148
149	The interval between server ticks, in seconds.
150
151	=item $cf::LOADAVG	239	=item $cf::LOADAVG
152		240
153	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
154	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
155	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
158		246
159	The raw value load value from the last tick.	247	The raw value load value from the last tick.
160		248
161	=item %cf::CFG	249	=item %cf::CFG
162		250
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	252	from wherever your confdir points to.
165		253
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		255
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
169	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
171		277
172	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
173		279
174	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	282	that call.
177		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
178	=back	290	=back
179		291
180	=cut	292	=cut
181		293
182	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
183	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
184	my $msg = join "", @_;	301	my $msg = join "", @_;
185		302
186	$msg .= "\n"	303	$msg .= "\n"
187	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
188		305
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		307
191	utf8::encode $msg;
192	LOG llevError, $msg;	308	LOG llevWarn, $msg;
193	};	309	};
194	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
195		324
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	335	for my $pkg (qw(
207	cf::global cf::attachable	336	cf::global cf::attachable
208	cf::object cf::object::player	337	cf::object cf::object::player
209	cf::client cf::player	338	cf::client cf::player
210	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
211	cf::map cf::party cf::region	341	cf::party cf::region
212	)) {	342	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	344	}
216		345
217	$Event::DIED = sub {	346	$EV::DIED = sub {
218	warn "error in event callback: @_";	347	warn "error in event callback: $@";
219	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
220		354
221	#############################################################################	355	#############################################################################
222		356
223	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
224		358
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	380	$d
247	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
248	}	382	}
249		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
250	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
251		437
252	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
253		439
254	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
255		441
256	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
257		443
258	=cut	444	=cut
259		445
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		447
262	sub to_json ($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
264		512
265	=item cf::lock_wait $string	513	=item cf::lock_wait $string
266		514
267	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
268		516
269	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
270		518
271	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
274	returned.	522	returned.
275		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
276	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
278		529
279	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
280		531
281	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
282		533
283	=cut	534	=cut
284		535
285	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
286		537
287	sub lock_wait($) {	538	sub lock_wait($) {
288	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	540	}
296		541
297	sub lock_acquire($) {	542	sub lock_acquire($) {
298	my ($key) = @_;	543	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	544	}
310		545
311	sub lock_active($) {	546	sub lock_active($) {
312	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	548	}
316		549
317	sub freeze_mainloop {	550	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
319		552
320	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	554	}
322	};	555
323	$TICK_WATCHER->stop;	556	=item cf::periodic $interval, $cb
324	$guard	557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
325	}	569	}
326		570
327	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
328		572
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
330	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
331	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
332		580
333	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
334	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
335		583
336	Useful for short background jobs.	584	Useful for short background jobs.
337		585
338	=cut	586	=cut
339		587
340	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
342		591
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
345	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
346		598
347	while () {	599	while () {
348	next_job:	600	next_job:
		601
349	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
350	if ($avail > 0.01) {	603
351	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
352	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
353	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
354	$job->[2]->send;	608	$job->[2]->send;
355	Coro::cede;	609	Coro::cede;
356	goto next_job;	610	goto next_job;
357	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358	}	613	}
359	}	614	}
360		615
361	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
364	$signal->wait;
365	} else {	619	} else {
		620	$busy = 0;
366	Coro::schedule;	621	Coro::schedule;
367	}	622	}
368	}	623	}
369	};	624	};
370		625
371	sub get_slot($;$$) {	626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
372	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
373		630
374	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
375	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
376		634
377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
390		648
391	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
392		650
393	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
394		652
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
396	is always able to handle events or runnable, as Crossfire TRT is only	654	is always able to handle events or runnable, as Deliantra is only
397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398	acceptable.	656	acceptable.
399		657
400	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
401	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
…		…
405	=cut	663	=cut
406		664
407	sub sync_job(&) {	665	sub sync_job(&) {
408	my ($job) = @_;	666	my ($job) = @_;
409		667
410	if ($Coro::current == $Coro::main) {	668	if (in_main) {
411	my $time = Event::time;	669	my $time = AE::time;
412		670
413	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
415		673
416	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	675
418	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
419		677
420	my $busy = 1;	678	my $busy = 1;
421	my @res;	679	my @res;
422		680
423	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	683	@res = eval { $job->() };
425	warn $@ if $@;	684	error $@ if $@;
426	undef $busy;	685	undef $busy;
427	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
428		687
429	while ($busy) {	688	while ($busy) {
430	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
431	}	693	}
		694	}
432		695
433	$time = Event::time - $time;	696	my $time = AE::time - $time;
434		697
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
439		699
440	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
441	} else {	701	} else {
442	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
443		703
…		…
463	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
464		724
465	$coro	725	$coro
466	}	726	}
467		727
468	=item fork_call { }, $args	728	=item fork_call { }, @args
469		729
470	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
471	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
472	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
473	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
474		734
475	=cut	735	=cut
476		736
477	sub _store_scalar {	737	sub post_fork {
478	open my $fh, ">", \my $buf	738	reset_signals;
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}	739	}
485		740
486	sub fork_call(&@) {	741	sub fork_call(&@) {
487	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
488		743
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	744	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	745	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	746	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		747
494	if (my $pid = fork) {	748	my @res = Coro::Util::fork_eval {
495	close $fh2;	749	cf::post_fork;
		750	&$cb
		751	} @args;
496		752
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	753	wantarray ? @res : $res[-1]
498	warn "pst<$res>" unless $res =~ /^pst/;	754	}
499	$res = Coro::Storable::thaw $res;
500		755
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	756	sub objinfo {
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;
508	local $SIG{__WARN__};
509	local $SIG{__DIE__};
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515
516	eval {
517	close $fh1;
518
519	my @res = eval { $cb->(@args) };
520
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522	close $fh2;
523	};
524
525	warn $@ if $@;
526	_exit 0;
527	}	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
528	}	792	}
529		793
530	=item $value = cf::db_get $family => $key	794	=item $value = cf::db_get $family => $key
531		795
532	Returns a single value from the environment database.	796	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	798	=item cf::db_put $family => $key => $value
535		799
536	Stores the given C<$value> in the family. It can currently store binary	800	Stores the given C<$value> in the family. It can currently store binary
537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	801	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		802
		803	=item $db = cf::db_table "name"
		804
		805	Create and/or open a new database table. The string must not be "db" and must be unique
		806	within each server.
		807
539	=cut	808	=cut
		809
		810	sub db_table($) {
		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	}
540		829
541	our $DB;	830	our $DB;
542		831
543	sub db_init {	832	sub db_init {
544	unless ($DB) {	833	$DB ||= db_table "db";
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {
548	eval {
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}
558	}	834	}
559		835
560	sub db_get($$) {	836	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	837	my $key = "$_[0]/$_[1]";
562		838
563	cf::sync_job {	839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
564	BDB::db_get $DB, undef, $key, my $data;	842	BDB::db_get $DB, undef, $key, my $data;
565		843
566	$! ? ()	844	$! ? ()
567	: $data	845	: $data
568	}
569	}	846	}
570		847
571	sub db_put($$$) {	848	sub db_put($$$) {
572	BDB::dbreq_pri 4;	849	BDB::dbreq_pri 4;
573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
601		878
602	my @data;	879	my @data;
603	my $md5;	880	my $md5;
604		881
605	for (0 .. $#$src) {	882	for (0 .. $#$src) {
606	0 <= aio_load $src->[$_], $data[$_]	883	$data[$_] = load_file $src->[$_];
607	or Carp::croak "$src->[$_]: $!";
608	}	884	}
609		885
610	# if processing is expensive, check	886	# if processing is expensive, check
611	# checksum first	887	# checksum first
612	if (1) {	888	if (1) {
613	$md5 =	889	$md5 =
614	join "\x00",	890	join "\x00",
615	$processversion,	891	$processversion,
616	map {	892	map {
617	Coro::cede;	893	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	894	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	895	} 0.. $#$src;
620		896
621		897
622	my $dbmd5 = db_get cache => "$id/md5";	898	my $dbmd5 = db_get cache => "$id/md5";
…		…
625		901
626	return db_get cache => "$id/data";	902	return db_get cache => "$id/data";
627	}	903	}
628	}	904	}
629		905
630	my $t1 = Time::HiRes::time;	906	my $t1 = EV::time;
631	my $data = $process->(\@data);	907	my $data = $process->(\@data);
632	my $t2 = Time::HiRes::time;	908	my $t2 = EV::time;
633		909
634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
635		911
636	db_put cache => "$id/data", $data;	912	db_put cache => "$id/data", $data;
637	db_put cache => "$id/md5" , $md5;	913	db_put cache => "$id/md5" , $md5;
638	db_put cache => "$id/meta", $meta;	914	db_put cache => "$id/meta", $meta;
639		915
…		…
649		925
650	=cut	926	=cut
651		927
652	sub datalog($@) {	928	sub datalog($@) {
653	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
655	}	931	}
656		932
657	=back	933	=back
658		934
659	=cut	935	=cut
660		936
661	#############################################################################	937	#############################################################################
662		938
663	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
664		940
665	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
666	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")
667	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
668		944
669	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>
670	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
671	Crossfire TRT).	947	Deliantra).
672		948
673	=over 4	949	=over 4
674		950
675	=item $attachable->attach ($attachment, key => $value...)	951	=item $attachable->attach ($attachment, key => $value...)
676		952
…		…
720	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
721		997
722	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
724		1000
725	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
726	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.
727		1003
728	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
729		1005
730	=over 4	1006	=over 4
…		…
854		1130
855	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
856	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
857		1133
858	} elsif (ref $type) {	1134	} elsif (ref $type) {
859	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
860		1136
861	} else {	1137	} else {
862	shift @arg;	1138	shift @arg;
863	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
864	}	1140	}
865	}	1141	}
866	}	1142	}
867		1143
868	sub _object_attach {	1144	sub _object_attach {
…		…
878	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
879	}	1155	}
880		1156
881	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
882	} else {	1158	} else {
883	warn "object uses attachment '$name' which is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
884	}	1160	}
885		1161
886	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
887	}	1163	}
888		1164
…		…
947		1223
948	for (@$callbacks) {	1224	for (@$callbacks) {
949	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
950		1226
951	if ($@) {	1227	if ($@) {
952	warn "$@";
953	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
954	override;	1229	override;
955	}	1230	}
956		1231
957	return 1 if $override;	1232	return 1 if $override;
958	}	1233	}
959		1234
960	0	1235	0
961	}	1236	}
962		1237
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1239
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1240	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1241
967	Generate an object-specific event with the given arguments.	1242	Generate an object-specific event with the given arguments.
968		1243
…		…
974		1249
975	=cut	1250	=cut
976		1251
977	#############################################################################	1252	#############################################################################
978	# object support	1253	# object support
979	#
980		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 $SLOW_MERGES;#d#
981	sub _can_merge {	1288	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1289	my ($ob1, $ob2) = @_;
983		1290
984	local $Storable::canonical = 1;	1291	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1292
988	$fob1 eq $fob2	1293	# we do the slow way here
		1294	return _object_equal $ob1, $ob2
989	}	1295	}
990		1296
991	sub reattach {	1297	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1299	my ($obj) = @_;
994		1300
		1301	# no longer needed after getting rid of delete_package?
995	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
996		1303
997	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
998		1305
999	@$registry = ();	1306	@$registry = ();
1000		1307
…		…
1005	for (@$attach) {	1312	for (@$attach) {
1006	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
1007	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
1008	}	1315	}
1009	} else {	1316	} else {
1010	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
1011	}	1318	}
1012	}	1319	}
1013	}	1320	}
1014		1321
1015	cf::attachable->attach (	1322	cf::attachable->attach (
1016	prio => -1000000,	1323	prio => -1000000,
1017	on_instantiate => sub {	1324	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1325	my ($obj, $data) = @_;
1019		1326
1020	$data = from_json $data;	1327	$data = decode_json $data;
1021		1328
1022	for (@$data) {	1329	for (@$data) {
1023	my ($name, $args) = @$_;	1330	my ($name, $args) = @$_;
1024		1331
1025	$obj->attach ($name, %{$args || {} });	1332	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1348	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
1043		1350
1044	sync_job {	1351	sync_job {
1045	if (length $$rdata) {	1352	if (length $$rdata) {
		1353	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
1048		1357
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1359	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	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	}
1053	close $fh;	1365	aio_close $fh;
1054		1366
1055	if (@$objs) {	1367	if (@$objs) {
1056	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) {
1057	chmod SAVE_MODE, $fh;	1369	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
1060	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	}
1061	close $fh;	1376	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1378	}
1064	} else {	1379	} else {
1065	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
1066	}	1381	}
1067		1382
1068	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1387	} else {
1070	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
1071	}	1389	}
1072	} else {	1390	} else {
1073	aio_unlink $filename;	1391	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
1075	}	1393	}
1076	}	1394	};
1077	}	1395	}
1078		1396
1079	sub object_freezer_as_string {	1397	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1398	my ($rdata, $objs) = @_;
1081		1399
…		…
1093	or return;	1411	or return;
1094		1412
1095	unless (aio_stat "$filename.pst") {	1413	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1414	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1415	or return;
		1416
1098	$av = eval { (Storable::thaw $av)->{objs} };	1417	my $st = eval { Coro::Storable::thaw $av };
		1418	$av = $st->{objs};
1099	}	1419	}
1100		1420
		1421	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
		1425
1103	return ($data, $av);	1426	($data, $av)
1104	}	1427	}
1105		1428
1106	=head2 COMMAND CALLBACKS	1429	=head2 COMMAND CALLBACKS
1107		1430
1108	=over 4	1431	=over 4
…		…
1110	=cut	1433	=cut
1111		1434
1112	#############################################################################	1435	#############################################################################
1113	# command handling &c	1436	# command handling &c
1114		1437
1115	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
1116		1439
1117	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
1118	$name.	1441	$name.
1119		1442
1120	=cut	1443	=cut
…		…
1126	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
1127		1450
1128	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
1129	}	1452	}
1130		1453
1131	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
1132		1455
1133	Register a callback for execution when the client sends an (synchronous)	1456	Register a callback for execution when the client sends an (synchronous)
1134	extcmd packet. Ext commands will be processed in the order they are	1457	extcmd packet. Ext commands will be processed in the order they are
1135	received by the server, like other user commands. The first argument is	1458	received by the server, like other user commands. The first argument is
1136	the logged-in player. Ext commands can only be processed after a player	1459	the logged-in player. Ext commands can only be processed after a player
1137	has logged in successfully.	1460	has logged in successfully.
1138		1461
1139	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
1140	called.
1141		1463
		1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
1142	=item cf::register_exticmd $name => \&callback($ns,$packet);	1469	=item cf::register_exticmd $name => \&callback($ns,@args)
1143		1470
1144	Register a callback for execution when the client sends an (asynchronous)	1471	Register a callback for execution when the client sends an (asynchronous)
1145	exticmd packet. Exti commands are processed by the server as soon as they	1472	exticmd packet. Exti commands are processed by the server as soon as they
1146	are received, i.e. out of order w.r.t. other commands. The first argument	1473	are received, i.e. out of order w.r.t. other commands. The first argument
1147	is a client socket. Exti commands can be received anytime, even before	1474	is a client socket. Exti commands can be received anytime, even before
1148	log-in.	1475	log-in.
1149		1476
1150	If the callback returns something, it is sent back as if reply was being	1477	The values will be sent back to the client.
1151	called.
1152		1478
1153	=cut	1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1154		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
1155	sub register_extcmd {	1486	sub register_extcmd($$) {
1156	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
1157		1488
1158	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
1159	}	1490	}
1160		1491
1161	sub register_exticmd {	1492	sub register_async_extcmd($$) {
1162	my ($name, $cb) = @_;	1493	my ($name, $cb) = @_;
1163		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
1164	$EXTICMD{$name} = $cb;	1501	$EXTICMD{$name} = $cb;
1165	}	1502	}
1166		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
1167	cf::player->attach (	1512	cf::player->attach (
1168	on_command => sub {	1513	on_unknown_command => sub {
1169	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
1170		1515
1171	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
1172	or return;	1517	or return;
1173		1518
…		…
1181	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
1182		1527
1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1184		1529
1185	if (ref $msg) {	1530	if (ref $msg) {
1186	my ($type, $reply, @payload) =	1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1187	"ARRAY" eq ref $msg
1188	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1532
1191	if (my $cb = $EXTCMD{$type}) {	1533	if (my $cb = $EXTACMD{$type}) {
		1534	$cb->(
		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}) {
1192	my @reply = $cb->($pl, @payload);	1546	@reply = $cb->($pl, @payload);
		1547	}
1193		1548
1194	$pl->ext_reply ($reply, @reply)	1549	$pl->ext_msg ("reply-$reply", @reply)
1195	if $reply;	1550	if $reply;
1196	}	1551	}
		1552
1197	} else {	1553	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1555	}
1200		1556
1201	cf::override;	1557	cf::override;
1202	},	1558	},
1203	);	1559	);
1204		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
1205	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
1206	cf::sync_job {	1590	cf::sync_job {
1207	my %todo;	1591	my %todo;
1208		1592
1209	for my $path (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
1210	next unless -r $path;	1594	next unless -r $path;
…		…
1228		1612
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1615
1232	$ext{source} =	1616	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1617	"package $pkg; use common::sense;\n"
1234	. "#line 1 \"$path\"\n{\n"	1618	. "#line 1 \"$path\"\n{\n"
1235	. $source	1619	. $source
1236	. "\n};\n1";	1620	. "\n};\n1";
1237		1621
1238	$todo{$base} = \%ext;	1622	$todo{$base} = \%ext;
1239	}	1623	}
1240		1624
		1625	my $pass = 0;
1241	my %done;	1626	my %done;
1242	while (%todo) {	1627	while (%todo) {
1243	my $progress;	1628	my $progress;
1244		1629
		1630	++$pass;
		1631
		1632	ext:
1245	while (my ($k, $v) = each %todo) {	1633	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1634	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1635	next ext
1248	unless exists $done{$_};	1636	unless exists $done{$_};
1249	}	1637	}
1250		1638
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1640
1253	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 $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1653	error "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";
1256		1654
		1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1656	if exists $v->{meta}{mandatory};
1258	warn $msg;	1657
1259	warn "mandatory extension failed to load, exiting.\n";	1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260	exit 1;	1659	delete $todo{$k};
1261	}	1660	} else {
1262		1661	$done{$k} = delete $todo{$k};
1263	warn $msg;	1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
1264	}	1667	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1668	}
1270		1669
1271	skip:	1670	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	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	}
1274	}	1680	}
1275	};	1681	};
1276	}	1682	}
1277		1683
1278	#############################################################################	1684	#############################################################################
1279		1685
1280	=back	1686	=back
1281		1687
1282	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
1283		1689
1284	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
1285		1691
1286	=cut	1692	=cut
1287		1693
1288	package cf::player;	1694	package cf::player;
1289		1695
1290	use Coro::AIO;	1696	use Coro::AIO;
1291		1697
1292	=head3 cf::player	1698	=head3 cf::player
1293		1699
1294	=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	}
1295		1715
1296	=item cf::player::find $login	1716	=item cf::player::find $login
1297		1717
1298	Returns the given player object, loading it if necessary (might block).	1718	Returns the given player object, loading it if necessary (might block).
1299		1719
…		…
1318		1738
1319	sub exists($) {	1739	sub exists($) {
1320	my ($login) = @_;	1740	my ($login) = @_;
1321		1741
1322	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
1324	}	1744	}
1325		1745
1326	sub find($) {	1746	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1748	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1755	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1756	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1757	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1758	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1759
1340	my $pl = load_pl path $login	1760	my $f = new_from_file cf::object::thawer path $login
1341	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;
1342	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1343	}	1769	}
1344	}	1770	}
1345	}	1771	}
		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($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	);
1346		1785
1347	sub save($) {	1786	sub save($) {
1348	my ($pl) = @_;	1787	my ($pl) = @_;
1349		1788
1350	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
…		…
1355	return if $pl->{deny_save};	1794	return if $pl->{deny_save};
1356		1795
1357	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1359		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
1360	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1361	Coro::cede;	1805	cf::cede_to_tick;
1362	}	1806	}
1363		1807
1364	sub new($) {	1808	sub new($) {
1365	my ($login) = @_;	1809	my ($login) = @_;
1366		1810
…		…
1372	$cf::PLAYER{$login} = $self;	1816	$cf::PLAYER{$login} = $self;
1373		1817
1374	$self	1818	$self
1375	}	1819	}
1376		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
1377	=item $pl->quit_character	1831	=item $pl->quit_character
1378		1832
1379	Nukes the player without looking back. If logged in, the connection will	1833	Nukes the player without looking back. If logged in, the connection will
1380	be destroyed. May block for a long time.	1834	be destroyed. May block for a long time.
1381		1835
…		…
1385	my ($pl) = @_;	1839	my ($pl) = @_;
1386		1840
1387	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1388		1842
1389	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1390	$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
1391		1845
1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1393	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1394	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1395	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1396		1854
1397	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1398	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1399	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1434	or return [];	1892	or return [];
1435		1893
1436	my @logins;	1894	my @logins;
1437		1895
1438	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") {
1439	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1902	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440	aio_read $fh, 0, 512, my $buf, 0 or next;	1903	aio_read $fh, 0, 512, my $buf, 0 or next;
1441	$buf !~ /^password -------------$/m or next; # official not-valid tag	1904	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1905	}
1442		1906
1443	utf8::decode $login;	1907	utf8::decode $login;
1444	push @logins, $login;	1908	push @logins, $login;
1445	}	1909	}
1446		1910
1447	\@logins	1911	\@logins
1448	}	1912	}
1449		1913
1450	=item $player->maps	1914	=item $player->maps
		1915
		1916	=item cf::player::maps $login
1451		1917
1452	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1453	player. May block.	1919	player. May block.
1454		1920
1455	=cut	1921	=cut
…		…
1473	}	1939	}
1474		1940
1475	\@paths	1941	\@paths
1476	}	1942	}
1477		1943
1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479		1945
1480	Expand crossfire pod fragments into protocol xml.	1946	Expand deliantra pod fragments into protocol xml.
1481
1482	=cut
1483
1484	sub expand_cfpod {
1485	((my $self), (local $_)) = @_;
1486
1487	# escape & and <
1488	s/&/&amp;/g;
1489	s/(?<![BIUGH])</&lt;/g;
1490
1491	# this is buggy, it needs to properly take care of nested <'s
1492
1493	1 while
1494	# replace B<>, I<>, U<> etc.
1495	s/B<([^\>]*)>/<b>$1<\/b>/
1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527
1528	=item $player->ext_reply ($msgid, @msg)
1529
1530	Sends an ext reply to the player.
1531
1532	=cut
1533
1534	sub ext_reply($$@) {
1535	my ($self, $id, @msg) = @_;
1536
1537	if ($self->ns->extcmd == 2) {
1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539	} elsif ($self->ns->extcmd == 1) {
1540	#TODO: version 1, remove
1541	unshift @msg, msgtype => "reply", msgid => $id;
1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543	}
1544	}
1545		1947
1546	=item $player->ext_msg ($type, @msg)	1948	=item $player->ext_msg ($type, @msg)
1547		1949
1548	Sends an ext event to the client.	1950	Sends an ext event to the client.
1549		1951
…		…
1569		1971
1570	=cut	1972	=cut
1571		1973
1572	sub find_by_path($) {	1974	sub find_by_path($) {
1573	my ($path) = @_;	1975	my ($path) = @_;
		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
1574		1978
1575	my ($match, $specificity);	1979	my ($match, $specificity);
1576		1980
1577	for my $region (list) {	1981	for my $region (list) {
1578	if ($region->{match} && $path =~ $region->{match}) {	1982	if ($region->{match} && $path =~ $region->{match}) {
…		…
1604	our $MAX_RESET = 3600;	2008	our $MAX_RESET = 3600;
1605	our $DEFAULT_RESET = 3000;	2009	our $DEFAULT_RESET = 3000;
1606		2010
1607	sub generate_random_map {	2011	sub generate_random_map {
1608	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1609	# mit "rum" bekleckern, nicht	2013
		2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2015
1610	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1614	$rmp->{exit_on_final_map},
1615	$rmp->{xsize}, $rmp->{ysize},
1616	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1617	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1618	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1619	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1620	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1621	(cf::region::find $rmp->{region}), $rmp->{custom}
1622	)
1623	}	2017	}
1624		2018
1625	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1626		2020
1627	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
…		…
1632		2026
1633	sub register {	2027	sub register {
1634	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1635	my $pkg = caller;	2029	my $pkg = caller;
1636		2030
1637	no strict;
1638	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1639		2032
1640	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1641	}	2034	}
1642		2035
1643	# also paths starting with '/'	2036	# also paths starting with '/'
1644	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1645		2038
1646	sub thawer_merge {	2039	sub thawer_merge {
1647	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1648		2041
1649	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
…		…
1654	}	2047	}
1655		2048
1656	sub normalise {	2049	sub normalise {
1657	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1658		2051
1659	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1660		2053
1661	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1662		2055
1663	# map plan:	2056	# map plan:
1664	#	2057	#
…		…
1679	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1680	$path = "$base/$path";	2073	$path = "$base/$path";
1681	}	2074	}
1682		2075
1683	for ($path) {	2076	for ($path) {
1684	redo if s{//}{/};
1685	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1686	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1687	}	2079	}
1688		2080
1689	$path	2081	$path
…		…
1703	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1704	return $self;	2096	return $self;
1705	}	2097	}
1706	}	2098	}
1707		2099
1708	Carp::cluck "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1709	()	2101	()
1710	}	2102	}
1711		2103
		2104	# may re-bless or do other evil things
1712	sub init {	2105	sub init {
1713	my ($self) = @_;	2106	my ($self) = @_;
1714		2107
1715	$self	2108	$self
1716	}	2109	}
…		…
1735		2128
1736	# the temporary/swap location	2129	# the temporary/swap location
1737	sub save_path {	2130	sub save_path {
1738	my ($self) = @_;	2131	my ($self) = @_;
1739		2132
1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2133	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741	"$TMPDIR/$path.map"	2134	"$TMPDIR/$path.map"
1742	}	2135	}
1743		2136
1744	# the unique path, undef == no special unique path	2137	# the unique path, undef == no special unique path
1745	sub uniq_path {	2138	sub uniq_path {
1746	my ($self) = @_;	2139	my ($self) = @_;
1747		2140
1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749	"$UNIQUEDIR/$path"	2142	"$UNIQUEDIR/$path"
1750	}
1751
1752	# and all this just because we cannot iterate over
1753	# all maps in C++...
1754	sub change_all_map_light {
1755	my ($change) = @_;
1756
1757	$_->change_map_light ($change)
1758	for grep $_->outdoor, values %cf::MAP;
1759	}	2143	}
1760		2144
1761	sub decay_objects {	2145	sub decay_objects {
1762	my ($self) = @_;	2146	my ($self) = @_;
1763		2147
…		…
1776		2160
1777	sub load_header_from($) {	2161	sub load_header_from($) {
1778	my ($self, $path) = @_;	2162	my ($self, $path) = @_;
1779		2163
1780	utf8::encode $path;	2164	utf8::encode $path;
1781	#aio_open $path, O_RDONLY, 0	2165	my $f = new_from_file cf::object::thawer $path
1782	# or return;
1783
1784	$self->_load_header ($path)
1785	or return;	2166	or return;
1786		2167
		2168	$self->_load_header ($f)
		2169	or return;
		2170
		2171	local $MAP_LOADING{$self->{path}} = $self;
		2172	$f->resolve_delayed_derefs;
		2173
1787	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1788		2175
1789	1	2176	1
1790	}	2177	}
1791		2178
		2179	# used to laod the header of an original map
1792	sub load_header_orig {	2180	sub load_header_orig {
1793	my ($self) = @_;	2181	my ($self) = @_;
1794		2182
1795	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1796	}	2184	}
1797		2185
		2186	# used to laod the header of an instantiated map
1798	sub load_header_temp {	2187	sub load_header_temp {
1799	my ($self) = @_;	2188	my ($self) = @_;
1800		2189
1801	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1802	}	2191	}
1803		2192
		2193	# called after loading the header from an instantiated map
1804	sub prepare_temp {	2194	sub prepare_temp {
1805	my ($self) = @_;	2195	my ($self) = @_;
1806		2196
1807	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1808	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1809	# safety	2199	# safety
1810	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1811	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1812	}	2202	}
1813		2203
		2204	# called after loading the header from an original map
1814	sub prepare_orig {	2205	sub prepare_orig {
1815	my ($self) = @_;	2206	my ($self) = @_;
1816		2207
1817	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1818	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1842		2233
1843	sub find;	2234	sub find;
1844	sub find {	2235	sub find {
1845	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1846		2237
		2238	cf::cede_to_tick;
		2239
1847	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
1848		2241
		2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
1850		2244
1851	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
1852	my $guard = cf::lock_acquire "map_find:$path";
1853	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
1854	or return;	2247	or return;
1855		2248
1856	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
1857		2250
…		…
1859	or return;	2252	or return;
1860		2253
1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2254	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862	# doing this can freeze the server in a sync job, obviously	2255	# doing this can freeze the server in a sync job, obviously
1863	#$cf::WAIT_FOR_TICK->wait;	2256	#$cf::WAIT_FOR_TICK->wait;
		2257	undef $guard2;
		2258	undef $guard1;
1864	$map->reset;	2259	$map->reset;
1865	undef $guard;
1866	return find $path;	2260	return find $path;
1867	}	2261	}
1868		2262
1869	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
1870	}	2264	}
1871	}	2265	}
1872		2266
1873	sub pre_load { }	2267	sub pre_load { }
1874	sub post_load { }	2268	#sub post_load { } # XS
1875		2269
1876	sub load {	2270	sub load {
1877	my ($self) = @_;	2271	my ($self) = @_;
1878		2272
1879	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
1880		2274
1881	my $path = $self->{path};	2275	my $path = $self->{path};
1882		2276
1883	{	2277	{
1884	my $guard = cf::lock_acquire "map_load:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
1885		2279
		2280	return unless $self->valid;
1886	return if $self->in_memory != cf::MAP_SWAPPED;	2281	return unless $self->state == cf::MAP_SWAPPED;
1887
1888	$self->in_memory (cf::MAP_LOADING);
1889		2282
1890	$self->alloc;	2283	$self->alloc;
1891		2284
1892	$self->pre_load;	2285	$self->pre_load;
1893	Coro::cede;	2286	cf::cede_to_tick;
1894		2287
1895	$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)
1896	or return;	2292	or return;
1897		2293
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
1899	if delete $self->{load_original};	2295	if delete $self->{load_original};
1900		2296
1901	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2298	utf8::encode $uniq;
1903	if (aio_open $uniq, O_RDONLY, 0) {	2299	unless (aio_stat $uniq) {
		2300	if (my $f = new_from_file cf::object::thawer $uniq) {
1904	$self->clear_unique_items;	2301	$self->clear_unique_items;
1905	$self->_load_objects ($uniq, 0);	2302	$self->_load_objects ($f);
		2303	$f->resolve_delayed_derefs;
		2304	}
		2305	}
1906	}	2306	}
1907	}
1908		2307
1909	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;
1910	# now do the right thing for maps	2317	# now do the right thing for maps
1911	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
1912	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
1913	unless $self->difficulty;	2320	unless $self->difficulty;
1914	Coro::cede;	2321	cf::cede_to_tick;
1915		2322
1916	unless ($self->{deny_activate}) {	2323	unless ($self->{deny_activate}) {
1917	$self->decay_objects;	2324	$self->decay_objects;
1918	$self->fix_auto_apply;	2325	$self->fix_auto_apply;
1919	$self->update_buttons;	2326	$self->update_buttons;
1920	Coro::cede;	2327	cf::cede_to_tick;
1921	$self->set_darkness_map;	2328	#$self->activate; # no longer activate maps automatically
1922	Coro::cede;
1923	$self->activate;
1924	}	2329	}
1925		2330
1926	$self->in_memory (cf::MAP_IN_MEMORY);	2331	$self->{last_save} = $cf::RUNTIME;
		2332	$self->last_access ($cf::RUNTIME);
1927	}	2333	}
1928		2334
1929	$self->post_load;	2335	$self->post_load;
1930	}
1931		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
1932	sub customise_for {	2343	sub customise_for {
1933	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
1934		2345
1935	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
1936	if $self->per_player;	2347	if $self->per_player;
…		…
1939	# if $self->per_party;	2350	# if $self->per_party;
1940		2351
1941	$self	2352	$self
1942	}	2353	}
1943		2354
1944	# find and load all maps in the 3x3 area around a map
1945	sub load_diag {
1946	my ($map) = @_;
1947
1948	my @diag; # diagonal neighbours
1949
1950	for (0 .. 3) {
1951	my $neigh = $map->tile_path ($_)
1952	or next;
1953	$neigh = find $neigh, $map
1954	or next;
1955	$neigh->load;
1956
1957	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1958	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1959	}
1960
1961	for (@diag) {
1962	my $neigh = find @$_
1963	or next;
1964	$neigh->load;
1965	}
1966	}
1967
1968	sub find_sync {	2355	sub find_sync {
1969	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
1970		2357
1971	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
1972	}	2363	}
1973		2364
1974	sub do_load_sync {	2365	sub do_load_sync {
1975	my ($map) = @_;	2366	my ($map) = @_;
1976		2367
1977	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;
1978	}	2373	}
1979		2374
1980	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
1981	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
1982		2377
1983	sub find_async {	2378	sub find_async {
1984	my ($path, $origin) = @_;	2379	my ($path, $origin, $load) = @_;
1985		2380
1986	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
1987		2382
1988	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
1989	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2384	return $map if !$load || $map->linkable;
1990	}	2385	}
1991		2386
1992	undef $MAP_PREFETCH{$path};	2387	$MAP_PREFETCH{$path} |= $load;
		2388
1993	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
		2390	$Coro::current->{desc} = "map prefetcher";
		2391
1994	while (%MAP_PREFETCH) {	2392	while (%MAP_PREFETCH) {
1995	for my $path (keys %MAP_PREFETCH) {	2393	while (my ($k, $v) = each %MAP_PREFETCH) {
1996	if (my $map = find $path) {	2394	if (my $map = find $k) {
1997	$map->load;	2395	$map->load if $v;
1998	}	2396	}
1999		2397
2000	delete $MAP_PREFETCH{$path};	2398	delete $MAP_PREFETCH{$k};
2001	}	2399	}
2002	}	2400	}
2003	undef $MAP_PREFETCHER;	2401	undef $MAP_PREFETCHER;
2004	};	2402	};
2005	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
2006		2404
2007	()	2405	()
2008	}	2406	}
2009		2407
		2408	# common code, used by both ->save and ->swapout
2010	sub save {	2409	sub _save {
2011	my ($self) = @_;	2410	my ($self) = @_;
2012
2013	my $lock = cf::lock_acquire "map_data:" . $self->path;
2014		2411
2015	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
2016		2413
2017	return unless $self->dirty;	2414	return unless $self->dirty;
2018		2415
…		…
2024	return if $self->{deny_save};	2421	return if $self->{deny_save};
2025		2422
2026	local $self->{last_access} = $self->last_access;#d#	2423	local $self->{last_access} = $self->last_access;#d#
2027		2424
2028	cf::async {	2425	cf::async {
		2426	$Coro::current->{desc} = "map player save";
2029	$_->contr->save for $self->players;	2427	$_->contr->save for $self->players;
2030	};	2428	};
		2429
		2430	cf::get_slot 0.02;
2031		2431
2032	if ($uniq) {	2432	if ($uniq) {
2033	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2433	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2034	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2434	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2035	} else {	2435	} else {
2036	$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);
2037	}	2437	}
2038	}	2438	}
2039		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
2040	sub swap_out {	2448	sub swap_out {
2041	my ($self) = @_;	2449	my ($self) = @_;
2042		2450
2043	# save first because save cedes
2044	$self->save;
2045
2046	my $lock = cf::lock_acquire "map_data:" . $self->path;	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
2047		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
2048	return if $self->players;	2455	return if $self->players;
2049	return if $self->in_memory != cf::MAP_IN_MEMORY;
2050	return if $self->{deny_save};
2051		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
2052	$self->clear;	2466	$self->clear;
2053	$self->in_memory (cf::MAP_SWAPPED);
2054	}	2467	}
2055		2468
2056	sub reset_at {	2469	sub reset_at {
2057	my ($self) = @_;	2470	my ($self) = @_;
2058		2471
…		…
2076		2489
2077	my $lock = cf::lock_acquire "map_data:$self->{path}";	2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
2078		2491
2079	return if $self->players;	2492	return if $self->players;
2080		2493
2081	warn "resetting map ", $self->path;	2494	cf::trace "resetting map ", $self->path, "\n";
2082		2495
2083	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
2084		2497
2085	# need to save uniques path	2498	# need to save uniques path
2086	unless ($self->{deny_save}) {	2499	unless ($self->{deny_save}) {
2087	my $uniq = $self->uniq_path; utf8::encode $uniq;	2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
2088		2501
…		…
2090	if $uniq;	2503	if $uniq;
2091	}	2504	}
2092		2505
2093	delete $cf::MAP{$self->path};	2506	delete $cf::MAP{$self->path};
2094		2507
		2508	$self->deactivate;
		2509	$_->clear_links_to ($self) for values %cf::MAP;
2095	$self->clear;	2510	$self->clear;
2096
2097	$_->clear_links_to ($self) for values %cf::MAP;
2098		2511
2099	$self->unlink_save;	2512	$self->unlink_save;
2100	$self->destroy;	2513	$self->destroy;
2101	}	2514	}
2102		2515
2103	my $nuke_counter = "aaaa";	2516	my $nuke_counter = "aaaa";
2104		2517
2105	sub nuke {	2518	sub nuke {
2106	my ($self) = @_;	2519	my ($self) = @_;
2107		2520
		2521	{
		2522	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2523
2108	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
2109		2525
2110	$self->unlink_save;	2526	$self->unlink_save;
2111		2527
2112	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
2113	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
2114	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
2115	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
2116	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2117		2533
2118	$cf::MAP{$self->path} = $self;	2534	$cf::MAP{$self->path} = $self;
		2535	}
2119		2536
2120	$self->reset; # polite request, might not happen	2537	$self->reset; # polite request, might not happen
2121	}	2538	}
2122		2539
2123	=item $maps = cf::map::tmp_maps	2540	=item $maps = cf::map::tmp_maps
…		…
2165		2582
2166	sub unique_maps() {	2583	sub unique_maps() {
2167	[	2584	[
2168	map {	2585	map {
2169	utf8::decode $_;	2586	utf8::decode $_;
2170	/\.map$/	2587	s/\.map$//; # TODO future compatibility hack
		2588	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2589	? ()
2171	? normalise $_	2590	: normalise $_
2172	: ()
2173	} @{ aio_readdir $UNIQUEDIR or [] }	2591	} @{ aio_readdir $UNIQUEDIR or [] }
2174	]	2592	]
2175	}	2593	}
2176		2594
2177	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	}
2178		2626
2179	=back	2627	=back
2180		2628
2181	=head3 cf::object	2629	=head3 cf::object
2182		2630
…		…
2186		2634
2187	=over 4	2635	=over 4
2188		2636
2189	=item $ob->inv_recursive	2637	=item $ob->inv_recursive
2190		2638
2191	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.
2192		2641
2193	=cut	2642	=cut
2194		2643
2195	sub inv_recursive_;	2644	sub inv_recursive_;
2196	sub inv_recursive_ {	2645	sub inv_recursive_ {
…		…
2199		2648
2200	sub inv_recursive {	2649	sub inv_recursive {
2201	inv_recursive_ inv $_[0]	2650	inv_recursive_ inv $_[0]
2202	}	2651	}
2203		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 cannot 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
2204	package cf;	2681	package cf;
2205		2682
2206	=back	2683	=back
2207		2684
2208	=head3 cf::object::player	2685	=head3 cf::object::player
…		…
2214	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>
2215	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
2216	dialogue with the given NPC character.	2693	dialogue with the given NPC character.
2217		2694
2218	=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	};
2219		2710
2220	# rough implementation of a future "reply" method that works	2711	# rough implementation of a future "reply" method that works
2221	# with dialog boxes.	2712	# with dialog boxes.
2222	#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
2223	sub cf::object::player::reply($$$;$) {	2714	sub cf::object::player::reply($$$;$) {
…		…
2235	my $dialog = $pl->{npc_dialog};	2726	my $dialog = $pl->{npc_dialog};
2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2727	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2237		2728
2238	} else {	2729	} else {
2239	$msg = $npc->name . " says: $msg" if $npc;	2730	$msg = $npc->name . " says: $msg" if $npc;
2240	$self->message ($msg, $flags);	2731	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2241	}	2732	}
2242	}	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 (@_);
2243	}	2744	}
2244		2745
2245	=item $player_object->may ("access")	2746	=item $player_object->may ("access")
2246		2747
2247	Returns wether the given player is authorized to access resource "access"	2748	Returns wether the given player is authorized to access resource "access"
…		…
2260		2761
2261	=item $player_object->enter_link	2762	=item $player_object->enter_link
2262		2763
2263	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}>).
2264		2765
2265	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.
2266	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.
2267		2770
2268	Will never block.	2771	Will never block.
2269		2772
2270	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
2271		2774
…		…
2291	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
2292	my ($self) = @_;	2795	my ($self) = @_;
2293		2796
2294	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
2295		2798
		2799	++$self->{_link_recursion};
		2800
2296	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
2297		2802
2298	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2299	if $self->map && $self->map->{path} ne "{link}";	2804	if $self->map && $self->map->{path} ne "{link}";
2300		2805
2301	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2302	}	2807	}
2303		2808
2304	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
2305	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
2306		2811
…		…
2323	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
2324	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
2325		2830
2326	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
2327	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
2328	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
2329		2834
2330	$map->load;	2835	$map->load;
2331	$map->load_diag;
2332		2836
2333	return unless $self->contr->active;	2837	return unless $self->contr->active;
2334	$self->activate_recursive;
2335		2838
2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2337	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
2338	}	2841	# entering was successful
		2842	delete $self->{_link_recursion};
		2843	# only activate afterwards, to support waiting in hooks
		2844	$self->activate_recursive;
		2845	}
2339		2846
		2847	}
		2848
2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2341		2850
2342	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
2343	her, loading and preparing them map, calling the provided $check callback	2852	her, loading and preparing them map, calling the provided $check callback
2344	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
2345	the new (success) or old (failed) map position. In either case, $done will	2854	the new (success) or old (failed) map position. In either case, $done will
2346	be called at the end of this process.	2855	be called at the end of this process.
2347		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 >>.
		2859
2348	=cut	2860	=cut
2349		2861
2350	our $GOTOGEN;	2862	our $GOTOGEN;
2351		2863
2352	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
2353	my ($self, $path, $x, $y, $check, $done) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
2354		2866
		2867	if ($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	}
		2872
2355	# 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
2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2357		2875
2358	$self->enter_link;	2876	$self->enter_link;
2359		2877
2360	(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
2361	my $map = eval {	2900	my $map = eval {
2362	my $map = cf::map::find $path;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2363		2902
2364	if ($map) {	2903	if ($map) {
2365	$map = $map->customise_for ($self);	2904	$map = $map->customise_for ($self);
2366	$map = $check->($map) if $check && $map;	2905	$map = $check->($map, $x, $y, $self) if $check && $map;
2367	} else {	2906	} else {
2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2369	}	2908	}
2370		2909
2371	$map	2910	$map
2372	};	2911	};
2373		2912
…		…
2379	if ($gen == $self->{_goto_generation}) {	2918	if ($gen == $self->{_goto_generation}) {
2380	delete $self->{_goto_generation};	2919	delete $self->{_goto_generation};
2381	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
2382	}	2921	}
2383		2922
2384	$done->() if $done;	2923	$done->($self) if $done;
2385	})->prio (1);	2924	})->prio (1);
2386	}	2925	}
2387		2926
2388	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
2389		2928
…		…
2409	}	2948	}
2410		2949
2411	sub prepare_random_map {	2950	sub prepare_random_map {
2412	my ($exit) = @_;	2951	my ($exit) = @_;
2413		2952
2414	my $guard = cf::lock_acquire "exit_prepare:$exit";
2415
2416	# all this does is basically replace the /! path by	2953	# all this does is basically replace the /! path by
2417	# a new random map path (?random/...) with a seed	2954	# a new random map path (?random/...) with a seed
2418	# that depends on the exit object	2955	# that depends on the exit object
2419		2956
2420	my $rmp = parse_random_map_params $exit->msg;	2957	my $rmp = parse_random_map_params $exit->msg;
…		…
2422	if ($exit->map) {	2959	if ($exit->map) {
2423	$rmp->{region} = $exit->region->name;	2960	$rmp->{region} = $exit->region->name;
2424	$rmp->{origin_map} = $exit->map->path;	2961	$rmp->{origin_map} = $exit->map->path;
2425	$rmp->{origin_x} = $exit->x;	2962	$rmp->{origin_x} = $exit->x;
2426	$rmp->{origin_y} = $exit->y;	2963	$rmp->{origin_y} = $exit->y;
		2964
		2965	$exit->map->touch;
2427	}	2966	}
2428		2967
2429	$rmp->{random_seed} ||= $exit->random_seed;	2968	$rmp->{random_seed} ||= $exit->random_seed;
2430		2969
2431	my $data = cf::to_json $rmp;	2970	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2432	my $md5 = Digest::MD5::md5_hex $data;	2971	my $md5 = Digest::MD5::md5_hex $data;
2433	my $meta = "$RANDOMDIR/$md5.meta";	2972	my $meta = "$RANDOMDIR/$md5.meta";
2434		2973
2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2974	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2436	aio_write $fh, 0, (length $data), $data, 0;	2975	aio_write $fh, 0, (length $data), $data, 0;
2437	undef $fh;	2976	undef $fh;
2438	aio_rename "$meta~", $meta;	2977	aio_rename "$meta~", $meta;
2439		2978
		2979	my $slaying = "?random/$md5";
		2980
		2981	if ($exit->valid) {
2440	$exit->slaying ("?random/$md5");	2982	$exit->slaying ("?random/$md5");
2441	$exit->msg (undef);	2983	$exit->msg (undef);
		2984	}
2442	}	2985	}
2443	}	2986	}
2444		2987
2445	sub cf::object::player::enter_exit {	2988	sub cf::object::player::enter_exit {
2446	my ($self, $exit) = @_;	2989	my ($self, $exit) = @_;
2447		2990
2448	return unless $self->type == cf::PLAYER;	2991	return unless $self->type == cf::PLAYER;
2449		2992
2450	if ($exit->slaying eq "/!") {
2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
2452	# the problem is that $exit might not survive long enough
2453	# so it needs to be done right now, right here
2454	cf::sync_job { prepare_random_map $exit };
2455	}
2456
2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2458	my $hp = $exit->stats->hp;
2459	my $sp = $exit->stats->sp;
2460
2461	$self->enter_link;	2993	$self->enter_link;
2462		2994
2463	# if exit is damned, update players death & WoR home-position
2464	$self->contr->savebed ($slaying, $hp, $sp)
2465	if $exit->flag (FLAG_DAMNED);
2466
2467	(async {	2995	(async {
2468	$self->deactivate_recursive; # just to be sure	2996	$Coro::current->{desc} = "enter_exit";
		2997
2469	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
2470	$self->goto ($slaying, $hp, $sp);	3028	$self->goto ($map, $x, $y);
2471		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
2472	1;	3034	1
2473	}) {	3035	}) {
2474	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2475	. "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. "
2476	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2477	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2478		3040
2479	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2480	$self->leave_link;	3042	$self->leave_link;
2481	}	3043	}
2482	})->prio (1);	3044	})->prio (1);
2483	}	3045	}
2484		3046
…		…
2496	sub cf::client::send_drawinfo {	3058	sub cf::client::send_drawinfo {
2497	my ($self, $text, $flags) = @_;	3059	my ($self, $text, $flags) = @_;
2498		3060
2499	utf8::encode $text;	3061	utf8::encode $text;
2500	$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);
		3063	}
		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);
2501	}	3088	}
2502		3089
2503	=item $client->send_msg ($channel, $msg, $color, [extra...])	3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
2504		3091
2505	Send a drawinfo or msg packet to the client, formatting the msg for the	3092	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2507	the message, with C<log> being the default. If C<$color> is negative, suppress	3094	the message, with C<log> being the default. If C<$color> is negative, suppress
2508	the message unless the client supports the msg packet.	3095	the message unless the client supports the msg packet.
2509		3096
2510	=cut	3097	=cut
2511		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" => $CHAT_CHANNEL,
		3211	);
		3212
2512	sub cf::client::send_msg {	3213	sub cf::client::send_msg {
2513	my ($self, $channel, $msg, $color, @extra) = @_;	3214	my ($self, $channel, $msg, $color, @extra) = @_;
2514		3215
2515	$msg = $self->pl->expand_cfpod ($msg);	3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
2516		3218
2517	$color &= ~cf::NDI_UNIQUE; # just in case...	3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
2518		3220
		3221	# check predefined channels, for the benefit of C
		3222	if ($CHANNEL{$channel}) {
		3223	$channel = $CHANNEL{$channel};
		3224
		3225	$self->ext_msg (channel_info => $channel);
		3226	$channel = $channel->{id};
		3227
2519	if (ref $channel) {	3228	} elsif (ref $channel) {
2520	# send meta info to client, if not yet sent	3229	# send meta info to client, if not yet sent
2521	unless (exists $self->{channel}{$channel->{id}}) {	3230	unless (exists $self->{channel}{$channel->{id}}) {
2522	$self->{channel}{$channel->{id}} = $channel;	3231	$self->{channel}{$channel->{id}} = $channel;
2523	$self->ext_msg (channel_info => $channel);	3232	$self->ext_msg (channel_info => $channel);
2524	}	3233	}
…		…
2526	$channel = $channel->{id};	3235	$channel = $channel->{id};
2527	}	3236	}
2528		3237
2529	return unless @extra || length $msg;	3238	return unless @extra || length $msg;
2530		3239
2531	if ($self->can_msg) {	3240	# default colour, mask it out
2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2533	} else {	3242	if $color & cf::NDI_DEF;
2534	# replace some tags by gcfclient-compatible ones
2535	for ($msg) {
2536	1 while
2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2542	}
2543		3243
2544	if ($color >= 0) {	3244	my $pkt = "msg "
2545	if (0 && $msg =~ /\[/) {	3245	. $self->{json_coder}->encode (
2546	$self->send_packet ("drawextinfo $color 4 0 $msg")	3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2547	} else {	3247	);
2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3248
2549	$self->send_packet ("drawinfo $color $msg")	3249	$self->send_big_packet ($pkt);
2550	}
2551	}
2552	}
2553	}	3250	}
2554		3251
2555	=item $client->ext_msg ($type, @msg)	3252	=item $client->ext_msg ($type, @msg)
2556		3253
2557	Sends an ext event to the client.	3254	Sends an ext event to the client.
…		…
2559	=cut	3256	=cut
2560		3257
2561	sub cf::client::ext_msg($$@) {	3258	sub cf::client::ext_msg($$@) {
2562	my ($self, $type, @msg) = @_;	3259	my ($self, $type, @msg) = @_;
2563		3260
2564	my $extcmd = $self->extcmd;
2565
2566	if ($extcmd == 2) {
2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2568	} elsif ($extcmd == 1) { # TODO: remove
2569	push @msg, msgtype => "event_$type";
2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2571	}
2572	}	3262	}
2573		3263
2574	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2575		3265
2576	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
…		…
2631	my ($ns, $buf) = @_;	3321	my ($ns, $buf) = @_;
2632		3322
2633	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2634		3324
2635	if (ref $msg) {	3325	if (ref $msg) {
2636	my ($type, $reply, @payload) =	3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2637	"ARRAY" eq ref $msg
2638	? @$msg
2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2640		3327
2641	if (my $cb = $EXTICMD{$type}) {	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}) {
2642	my @reply = $cb->($ns, @payload);	3341	@reply = $cb->($ns, @payload);
		3342	}
2643		3343
2644	$ns->ext_reply ($reply, @reply)	3344	$ns->ext_msg ("reply-$reply", @reply)
2645	if $reply;	3345	if $reply;
2646	}	3346	}
2647	} else {	3347	} else {
2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2649	}	3349	}
2650		3350
2651	cf::override;	3351	cf::override;
2652	},	3352	},
2653	);	3353	);
…		…
2673		3373
2674	$coro	3374	$coro
2675	}	3375	}
2676		3376
2677	cf::client->attach (	3377	cf::client->attach (
2678	on_destroy => sub {	3378	on_client_destroy => sub {
2679	my ($ns) = @_;	3379	my ($ns) = @_;
2680		3380
2681	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2682	},	3382	},
2683	);	3383	);
…		…
2698	our $safe = new Safe "safe";	3398	our $safe = new Safe "safe";
2699	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
2700		3400
2701	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
2702		3402
2703	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3403	$safe->permit_only (Opcode::opset qw(
		3404	:base_core :base_mem :base_orig :base_math :base_loop
		3405	grepstart grepwhile mapstart mapwhile
		3406	sort time
		3407	));
2704		3408
2705	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
2706		3410
2707	=pod	3411	=pod
2708		3412
2709	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
2710		3414
2711	cf::object	3415	cf::object
2712	contr pay_amount pay_player map x y force_find force_add	3416	contr pay_amount pay_player map x y force_find force_add destroy
2713	insert remove	3417	insert remove name archname title slaying race decrease split
		3418	value
2714		3419
2715	cf::object::player	3420	cf::object::player
2716	player	3421	player
2717		3422
2718	cf::player	3423	cf::player
…		…
2723		3428
2724	=cut	3429	=cut
2725		3430
2726	for (	3431	for (
2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2728	insert remove)],	3433	insert remove inv nrof name archname title slaying race
		3434	decrease split destroy change_exp value msg lore send_msg)],
2729	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
2730	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
2731	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
2732	) {	3438	) {
2733	no strict 'refs';
2734	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
2735	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2736	for @funs;	3441	for @funs;
2737	}	3442	}
2738		3443
…		…
2753		3458
2754	my $qcode = $code;	3459	my $qcode = $code;
2755	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2756	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
2757		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
2758	local $_;	3466	local $_;
2759	local @safe::cf::_safe_eval_args = values %vars;
2760		3467
2761	my $eval =	3468	my $eval =
2762	"do {\n"	3469	"do {\n"
2763	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2764	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
2765	. $code	3472	. $code
2766	. "\n}"	3473	. "\n}"
2767	;	3474	;
2768		3475
		3476	if ($CFG{safe_eval}) {
2769	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
2770	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2771	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
2772		3485
2773	if ($@) {	3486	if ($@) {
2774	warn "$@";	3487	warn "$@",
2775	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
2776	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
2777	}	3490	}
2778		3491
2779	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
2780	}	3493	}
2781		3494
…		…
2795	=cut	3508	=cut
2796		3509
2797	sub register_script_function {	3510	sub register_script_function {
2798	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
2799		3512
2800	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
2801	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
2802	}	3515	}
2803		3516
2804	=back	3517	=back
2805		3518
2806	=cut	3519	=cut
2807		3520
2808	#############################################################################	3521	#############################################################################
2809	# the server's init and main functions	3522	# the server's init and main functions
2810		3523
		3524	{
		3525	package cf::face;
		3526
		3527	our %HASH; # hash => idx
		3528	our @DATA; # dynamically-created facedata, only faceste 0 used
		3529	our @FOFS; # file offset, if > 0
		3530	our @SIZE; # size of face, in octets
		3531	our @META; # meta hash of face, if any
		3532	our $DATAFH; # facedata filehandle
		3533
		3534	# internal api, not finalised
		3535	sub set {
		3536	my ($name, $type, $data) = @_;
		3537
		3538	my $idx = cf::face::find $name;
		3539
		3540	if ($idx) {
		3541	delete $HASH{cf::face::get_chksum $idx};
		3542	} else {
		3543	$idx = cf::face::alloc $name;
		3544	}
		3545
		3546	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3547
		3548	cf::face::set_type $idx, $type;
		3549	cf::face::set_csum $idx, 0, $hash;
		3550
		3551	# we need to destroy the SV itself, not just modify it, as a running ix
		3552	# might hold a reference to it: "delete" achieves that.
		3553	delete $FOFS[0][$idx];
		3554	delete $DATA[0][$idx];
		3555	$DATA[0][$idx] = $data;
		3556	$SIZE[0][$idx] = length $data;
		3557	delete $META[$idx];
		3558	$HASH{$hash} = $idx;#d#
		3559
		3560	$idx
		3561	}
		3562
		3563	sub _get_data($$$) {
		3564	my ($idx, $set, $cb) = @_;
		3565
		3566	if (defined $DATA[$set][$idx]) {
		3567	$cb->($DATA[$set][$idx]);
		3568	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3569	my $size = $SIZE[$set][$idx];
		3570	my $buf;
		3571	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3572	if ($_[0] == $size) {
		3573	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3574	$cb->($buf);
		3575	} else {
		3576	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3577	}
		3578	};
		3579	} else {
		3580	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3581	}
		3582	}
		3583
		3584	# rather ineffient
		3585	sub cf::face::get_data($;$) {
		3586	my ($idx, $set) = @_;
		3587
		3588	_get_data $idx, $set, Coro::rouse_cb;
		3589	Coro::rouse_wait
		3590	}
		3591
		3592	sub cf::face::ix {
		3593	my ($ns, $set, $idx, $pri) = @_;
		3594
		3595	_get_data $idx, $set, sub {
		3596	$ns->ix_send ($idx, $pri, $_[0]);
		3597	};
		3598	}
		3599	}
		3600
2811	sub load_facedata($) {	3601	sub load_facedata($) {
2812	my ($path) = @_;	3602	my ($path) = @_;
2813		3603
		3604	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3605
2814	warn "loading facedata from $path\n";	3606	trace "loading facedata from $path\n";
2815		3607
2816	my $facedata;	3608	my $facedata = decode_storable load_file "$path/faceinfo";
2817	0 < aio_load $path, $facedata
2818	or die "$path: $!";
2819
2820	$facedata = Coro::Storable::thaw $facedata;
2821		3609
2822	$facedata->{version} == 2	3610	$facedata->{version} == 2
2823	or cf::cleanup "$path: version mismatch, cannot proceed.";	3611	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3612
		3613	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3614	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3615
		3616	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3617
		3618	# BEGIN ATOMIC
		3619	# from here on, everything must be atomic - no thread switch allowed
		3620	my $t1 = EV::time;
2824		3621
2825	{	3622	{
2826	my $faces = $facedata->{faceinfo};	3623	my $faces = $facedata->{faceinfo};
2827		3624
2828	while (my ($face, $info) = each %$faces) {	3625	for my $face (sort keys %$faces) {
		3626	my $info = $faces->{$face};
2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3627	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3628
2830	cf::face::set_visibility $idx, $info->{visibility};	3629	cf::face::set_visibility $idx, $info->{visibility};
2831	cf::face::set_magicmap $idx, $info->{magicmap};	3630	cf::face::set_magicmap $idx, $info->{magicmap};
2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3631	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3632	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
2834		3633	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
2835	cf::cede_to_tick;	3634	$cf::face::HASH{$info->{hash64}} = $idx;
		3635	delete $cf::face::META[$idx];
2836	}	3636	}
2837		3637
2838	while (my ($face, $info) = each %$faces) {	3638	while (my ($face, $info) = each %$faces) {
2839	next unless $info->{smooth};	3639	next unless $info->{smooth};
		3640
2840	my $idx = cf::face::find $face	3641	my $idx = cf::face::find $face
2841	or next;	3642	or next;
		3643
2842	if (my $smooth = cf::face::find $info->{smooth}) {	3644	if (my $smooth = cf::face::find $info->{smooth}) {
2843	cf::face::set_smooth $idx, $smooth;	3645	cf::face::set_smooth $idx, $smooth;
2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3646	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845	} else {	3647	} else {
2846	warn "smooth face '$info->{smooth}' not found for face '$face'";	3648	error "smooth face '$info->{smooth}' not found for face '$face'";
2847	}	3649	}
2848
2849	cf::cede_to_tick;
2850	}	3650	}
2851	}	3651	}
2852		3652
2853	{	3653	{
2854	my $anims = $facedata->{animinfo};	3654	my $anims = $facedata->{animinfo};
2855		3655
2856	while (my ($anim, $info) = each %$anims) {	3656	while (my ($anim, $info) = each %$anims) {
2857	cf::anim::set $anim, $info->{frames}, $info->{facings};	3657	cf::anim::set $anim, $info->{frames}, $info->{facings};
2858	cf::cede_to_tick;
2859	}	3658	}
2860		3659
2861	cf::anim::invalidate_all; # d'oh	3660	cf::anim::invalidate_all; # d'oh
2862	}	3661	}
2863		3662
2864	{	3663	{
2865	# TODO: for gcfclient pleasure, we should give resources
2866	# that gcfclient doesn't grok a >10000 face index.
2867	my $res = $facedata->{resource};	3664	my $res = $facedata->{resource};
2868	my $enc = JSON::XS->new->utf8->canonical;
2869
2870	my $soundconf = delete $res->{"res/sound.conf"};
2871		3665
2872	while (my ($name, $info) = each %$res) {	3666	while (my ($name, $info) = each %$res) {
2873	my $meta = $enc->encode ({	3667	if (defined (my $type = $info->{type})) {
2874	name => $name,	3668	# TODO: different hash - must free and use new index, or cache ixface data queue
2875	%{ $info->{meta} || {} },
2876	});
2877
2878	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3669	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2879		3670
2880	if ($info->{type} & 1) {
2881	# prepend meta info
2882
2883	my $data = pack "(w/a*)*", $meta, $info->{data};
2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2885
2886	cf::face::set_data $idx, 0, $data, $chk;	3671	cf::face::set_type $idx, $type;
		3672	cf::face::set_csum $idx, 0, $info->{hash};
		3673	$cf::face::SIZE[0][$idx] = $info->{size};
		3674	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3675	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3676	$cf::face::HASH{$info->{hash}} = $idx;
2887	} else {	3677	} else {
2888	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3678	# $RESOURCE{$name} = $info; # unused
2889	}	3679	}
2890
2891	cf::face::set_type $idx, $info->{type};
2892
2893	cf::cede_to_tick;
2894	}
2895
2896	if ($soundconf) {
2897	$soundconf = $enc->decode (delete $soundconf->{data});
2898
2899	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2900	my $sound = $soundconf->{compat}[$_]
2901	or next;
2902
2903	my $face = cf::face::find "sound/$sound->[1]";
2904
2905	cf::sound::set $sound->[0] => $face;
2906	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2907	}	3680	}
2908
2909	#TODO
2910	}
2911	}	3681	}
		3682
		3683	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3684
		3685	# HACK to clear player env face cache, we need some signal framework
		3686	# for this (global event?)
		3687	%ext::player_env::MUSIC_FACE_CACHE = ();
		3688
		3689	# END ATOMIC
		3690
		3691	cf::debug "facedata atomic update time ", EV::time - $t1;
		3692
		3693	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3694
		3695	aio_close $fh if $fh; # close old facedata
2912		3696
2913	1	3697	1
2914	}	3698	}
2915		3699
2916	register_exticmd fx_want => sub {	3700	register_exticmd fx_want => sub {
…		…
2919	while (my ($k, $v) = each %$want) {	3703	while (my ($k, $v) = each %$want) {
2920	$ns->fx_want ($k, $v);	3704	$ns->fx_want ($k, $v);
2921	}	3705	}
2922	};	3706	};
2923		3707
		3708	sub load_resource_file($) {
		3709	my $guard = lock_acquire "load_resource_file";
		3710
		3711	my $status = load_resource_file_ $_[0];
		3712	get_slot 0.1, 100;
		3713	cf::arch::commit_load;
		3714
		3715	$status
		3716	}
		3717
		3718	sub reload_exp_table {
		3719	_reload_exp_table;
		3720
		3721	cf::face::set
		3722	"res/exp_table" => FT_RSRC,
		3723	JSON::XS->new->utf8->canonical->encode (
		3724	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3725	);
		3726	}
		3727
		3728	sub reload_materials {
		3729	_reload_materials;
		3730	}
		3731
2924	sub reload_regions {	3732	sub reload_regions {
		3733	# HACK to clear player env face cache, we need some signal framework
		3734	# for this (global event?)
		3735	%ext::player_env::MUSIC_FACE_CACHE = ();
		3736
2925	load_resource_file "$MAPDIR/regions"	3737	load_resource_file "$MAPDIR/regions"
2926	or die "unable to load regions file\n";	3738	or die "unable to load regions file\n";
2927		3739
2928	for (cf::region::list) {	3740	for (cf::region::list) {
2929	$_->{match} = qr/$_->{match}/	3741	$_->{match} = qr/$_->{match}/
2930	if exists $_->{match};	3742	if exists $_->{match};
2931	}	3743	}
2932	}	3744	}
2933		3745
2934	sub reload_facedata {	3746	sub reload_facedata {
2935	load_facedata "$DATADIR/facedata"	3747	load_facedata $DATADIR
2936	or die "unable to load facedata\n";	3748	or die "unable to load facedata\n";
2937	}	3749	}
2938		3750
2939	sub reload_archetypes {	3751	sub reload_archetypes {
2940	load_resource_file "$DATADIR/archetypes"	3752	load_resource_file "$DATADIR/archetypes"
2941	or die "unable to load archetypes\n";	3753	or die "unable to load archetypes\n";
2942	#d# NEED to laod twice to resolve forward references	3754
2943	# this really needs to be done in an extra post-pass	3755	cf::face::set
2944	# (which needs to be synchronous, so solve it differently)	3756	"res/skill_info" => FT_RSRC,
2945	load_resource_file "$DATADIR/archetypes"	3757	JSON::XS->new->utf8->canonical->encode (
2946	or die "unable to load archetypes\n";	3758	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3759	);
		3760
		3761	cf::face::set
		3762	"res/spell_paths" => FT_RSRC,
		3763	JSON::XS->new->utf8->canonical->encode (
		3764	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3765	);
2947	}	3766	}
2948		3767
2949	sub reload_treasures {	3768	sub reload_treasures {
2950	load_resource_file "$DATADIR/treasures"	3769	load_resource_file "$DATADIR/treasures"
2951	or die "unable to load treasurelists\n";	3770	or die "unable to load treasurelists\n";
2952	}	3771	}
2953		3772
		3773	sub reload_sound {
		3774	trace "loading sound config from $DATADIR/sound\n";
		3775
		3776	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3777
		3778	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3779	my $sound = $soundconf->{compat}[$_]
		3780	or next;
		3781
		3782	my $face = cf::face::find "sound/$sound->[1]";
		3783	cf::sound::set $sound->[0] => $face;
		3784	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3785	}
		3786
		3787	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3788	my $face = cf::face::find "sound/$v";
		3789	cf::sound::set $k => $face;
		3790	}
		3791	}
		3792
2954	sub reload_resources {	3793	sub reload_resources {
2955	warn "reloading resource files...\n";	3794	trace "reloading resource files...\n";
2956		3795
		3796	reload_materials;
		3797	reload_facedata;
		3798	reload_exp_table;
		3799	reload_sound;
		3800	reload_archetypes;
2957	reload_regions;	3801	reload_regions;
2958	reload_facedata;
2959	#reload_archetypes;#d#
2960	reload_archetypes;
2961	reload_treasures;	3802	reload_treasures;
2962		3803
2963	warn "finished reloading resource files\n";	3804	trace "finished reloading resource files\n";
2964	}	3805	}
2965		3806
2966	sub init {	3807	sub reload_config {
2967	reload_resources;	3808	trace "reloading config file...\n";
2968	}
2969		3809
2970	sub cfg_load {	3810	my $config = load_file "$CONFDIR/config";
2971	open my $fh, "<:utf8", "$CONFDIR/config"	3811	utf8::decode $config;
2972	or return;	3812	*CFG = decode_yaml $config;
2973		3813
2974	local $/;
2975	*CFG = YAML::Syck::Load <$fh>;
2976
2977	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3814	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2978		3815
2979	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3816	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2980	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3817	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2981		3818
2982	if (exists $CFG{mlockall}) {	3819	if (exists $CFG{mlockall}) {
…		…
2986	};	3823	};
2987	warn $@ if $@;	3824	warn $@ if $@;
2988	}	3825	}
2989	}	3826	}
2990		3827
		3828	sub pidfile() {
		3829	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3830	or die "$PIDFILE: $!";
		3831	flock $fh, &Fcntl::LOCK_EX
		3832	or die "$PIDFILE: flock: $!";
		3833	$fh
		3834	}
		3835
		3836	# make sure only one server instance is running at any one time
		3837	sub atomic {
		3838	my $fh = pidfile;
		3839
		3840	my $pid = <$fh>;
		3841	kill 9, $pid if $pid > 0;
		3842
		3843	seek $fh, 0, 0;
		3844	print $fh $$;
		3845	}
		3846
		3847	sub main_loop {
		3848	trace "EV::loop starting\n";
		3849	if (1) {
		3850	EV::loop;
		3851	}
		3852	trace "EV::loop returned\n";
		3853	goto &main_loop unless $REALLY_UNLOOP;
		3854	}
		3855
2991	sub main {	3856	sub main {
		3857	cf::init_globals; # initialise logging
		3858
		3859	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3860	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3861	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3862	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3863
		3864	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3865
2992	# we must not ever block the main coroutine	3866	# we must not ever block the main coroutine
2993	local $Coro::idle = sub {	3867	$Coro::idle = sub {
2994	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3868	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2995	(async {	3869	(async {
2996	Event::one_event;	3870	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3871	EV::loop EV::LOOP_ONESHOT;
2997	})->prio (Coro::PRIO_MAX);	3872	})->prio (Coro::PRIO_MAX);
2998	};	3873	};
2999		3874
3000	cfg_load;	3875	evthread_start IO::AIO::poll_fileno;
		3876
		3877	cf::sync_job {
		3878	cf::incloader::init ();
		3879
3001	db_init;	3880	db_init;
		3881
		3882	cf::init_anim;
		3883	cf::init_attackmess;
		3884	cf::init_dynamic;
		3885
		3886	cf::load_settings;
		3887
		3888	reload_resources;
		3889	reload_config;
		3890
		3891	cf::init_uuid;
		3892	cf::init_signals;
		3893	cf::init_skills;
		3894
		3895	cf::init_beforeplay;
		3896
		3897	atomic;
		3898
3002	load_extensions;	3899	load_extensions;
3003		3900
3004	$TICK_WATCHER->start;	3901	utime time, time, $RUNTIMEFILE;
3005	Event::loop;	3902
		3903	# no (long-running) fork's whatsoever before this point(!)
		3904	use POSIX ();
		3905	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3906
		3907	cf::_post_init 0;
		3908	};
		3909
		3910	cf::object::thawer::errors_are_fatal 0;
		3911	info "parse errors in files are no longer fatal from this point on.\n";
		3912
		3913	AE::postpone {
		3914	undef &main; # free gobs of memory :)
		3915	};
		3916
		3917	goto &main_loop;
3006	}	3918	}
3007		3919
3008	#############################################################################	3920	#############################################################################
3009	# initialisation and cleanup	3921	# initialisation and cleanup
3010		3922
3011	# install some emergency cleanup handlers	3923	# install some emergency cleanup handlers
3012	BEGIN {	3924	BEGIN {
		3925	our %SIGWATCHER = ();
3013	for my $signal (qw(INT HUP TERM)) {	3926	for my $signal (qw(INT HUP TERM)) {
3014	Event->signal (	3927	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3015	reentrant => 0,
3016	data => WF_AUTOCANCEL,
3017	signal => $signal,
3018	prio => 0,
3019	cb => sub {
3020	cf::cleanup "SIG$signal";	3928	cf::cleanup "SIG$signal";
3021	},
3022	);	3929	};
3023	}	3930	}
3024	}	3931	}
3025		3932
3026	sub write_runtime {	3933	sub write_runtime_sync {
3027	my $runtime = "$LOCALDIR/runtime";	3934	my $t0 = AE::time;
3028		3935
3029	# first touch the runtime file to show we are still running:	3936	# first touch the runtime file to show we are still running:
3030	# the fsync below can take a very very long time.	3937	# the fsync below can take a very very long time.
3031		3938
3032	IO::AIO::aio_utime $runtime, undef, undef;	3939	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3033		3940
3034	my $guard = cf::lock_acquire "write_runtime";	3941	my $guard = cf::lock_acquire "write_runtime";
3035		3942
3036	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3943	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3037	or return;	3944	or return;
3038		3945
3039	my $value = $cf::RUNTIME + 90 + 10;	3946	my $value = $cf::RUNTIME + 90 + 10;
3040	# 10 is the runtime save interval, for a monotonic clock	3947	# 10 is the runtime save interval, for a monotonic clock
3041	# 60 allows for the watchdog to kill the server.	3948	# 60 allows for the watchdog to kill the server.
…		…
3051	aio_utime $fh, undef, undef;	3958	aio_utime $fh, undef, undef;
3052		3959
3053	close $fh	3960	close $fh
3054	or return;	3961	or return;
3055		3962
3056	aio_rename "$runtime~", $runtime	3963	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3057	and return;	3964	and return;
3058		3965
3059	warn "runtime file written.\n";	3966	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3060		3967
3061	1	3968	1
		3969	}
		3970
		3971	our $uuid_lock;
		3972	our $uuid_skip;
		3973
		3974	sub write_uuid_sync($) {
		3975	$uuid_skip ||= $_[0];
		3976
		3977	return if $uuid_lock;
		3978	local $uuid_lock = 1;
		3979
		3980	my $uuid = "$LOCALDIR/uuid";
		3981
		3982	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3983	or return;
		3984
		3985	my $value = uuid_seq uuid_cur;
		3986
		3987	unless ($value) {
		3988	info "cowardly refusing to write zero uuid value!\n";
		3989	return;
		3990	}
		3991
		3992	my $value = uuid_str $value + $uuid_skip;
		3993	$uuid_skip = 0;
		3994
		3995	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3996	and return;
		3997
		3998	# always fsync - this file is important
		3999	aio_fsync $fh
		4000	and return;
		4001
		4002	close $fh
		4003	or return;
		4004
		4005	aio_rename "$uuid~", $uuid
		4006	and return;
		4007
		4008	trace "uuid file written ($value).\n";
		4009
		4010	1
		4011
		4012	}
		4013
		4014	sub write_uuid($$) {
		4015	my ($skip, $sync) = @_;
		4016
		4017	$sync ? write_uuid_sync $skip
		4018	: async { write_uuid_sync $skip };
3062	}	4019	}
3063		4020
3064	sub emergency_save() {	4021	sub emergency_save() {
3065	my $freeze_guard = cf::freeze_mainloop;	4022	my $freeze_guard = cf::freeze_mainloop;
3066		4023
3067	warn "enter emergency perl save\n";	4024	info "emergency_perl_save: enter\n";
		4025
		4026	# this is a trade-off: we want to be very quick here, so
		4027	# save all maps without fsync, and later call a global sync
		4028	# (which in turn might be very very slow)
		4029	local $USE_FSYNC = 0;
3068		4030
3069	cf::sync_job {	4031	cf::sync_job {
		4032	cf::write_runtime_sync; # external watchdog should not bark
		4033
3070	# use a peculiar iteration method to avoid tripping on perl	4034	# use a peculiar iteration method to avoid tripping on perl
3071	# refcount bugs in for. also avoids problems with players	4035	# refcount bugs in for. also avoids problems with players
3072	# and maps saved/destroyed asynchronously.	4036	# and maps saved/destroyed asynchronously.
3073	warn "begin emergency player save\n";	4037	info "emergency_perl_save: begin player save\n";
3074	for my $login (keys %cf::PLAYER) {	4038	for my $login (keys %cf::PLAYER) {
3075	my $pl = $cf::PLAYER{$login} or next;	4039	my $pl = $cf::PLAYER{$login} or next;
3076	$pl->valid or next;	4040	$pl->valid or next;
		4041	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3077	$pl->save;	4042	$pl->save;
3078	}	4043	}
3079	warn "end emergency player save\n";	4044	info "emergency_perl_save: end player save\n";
3080		4045
3081	warn "begin emergency map save\n";	4046	cf::write_runtime_sync; # external watchdog should not bark
		4047
		4048	info "emergency_perl_save: begin map save\n";
3082	for my $path (keys %cf::MAP) {	4049	for my $path (keys %cf::MAP) {
3083	my $map = $cf::MAP{$path} or next;	4050	my $map = $cf::MAP{$path} or next;
3084	$map->valid or next;	4051	$map->valid or next;
3085	$map->save;	4052	$map->save;
3086	}	4053	}
3087	warn "end emergency map save\n";	4054	info "emergency_perl_save: end map save\n";
3088		4055
3089	warn "begin emergency database checkpoint\n";	4056	cf::write_runtime_sync; # external watchdog should not bark
		4057
		4058	info "emergency_perl_save: begin database checkpoint\n";
3090	BDB::db_env_txn_checkpoint $DB_ENV;	4059	BDB::db_env_txn_checkpoint $DB_ENV;
3091	warn "end emergency database checkpoint\n";	4060	info "emergency_perl_save: end database checkpoint\n";
		4061
		4062	info "emergency_perl_save: begin write uuid\n";
		4063	write_uuid_sync 1;
		4064	info "emergency_perl_save: end write uuid\n";
		4065
		4066	cf::write_runtime_sync; # external watchdog should not bark
		4067
		4068	trace "emergency_perl_save: syncing database to disk";
		4069	BDB::db_env_txn_checkpoint $DB_ENV;
		4070
		4071	info "emergency_perl_save: starting sync\n";
		4072	IO::AIO::aio_sync sub {
		4073	info "emergency_perl_save: finished sync\n";
		4074	};
		4075
		4076	cf::write_runtime_sync; # external watchdog should not bark
		4077
		4078	trace "emergency_perl_save: flushing outstanding aio requests";
		4079	while (IO::AIO::nreqs || BDB::nreqs) {
		4080	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4081	}
		4082
		4083	cf::write_runtime_sync; # external watchdog should not bark
3092	};	4084	};
3093		4085
3094	warn "leave emergency perl save\n";	4086	info "emergency_perl_save: leave\n";
3095	}	4087	}
3096		4088
3097	sub post_cleanup {	4089	sub post_cleanup {
3098	my ($make_core) = @_;	4090	my ($make_core) = @_;
3099		4091
		4092	IO::AIO::flush;
		4093
3100	warn Carp::longmess "post_cleanup backtrace"	4094	error Carp::longmess "post_cleanup backtrace"
3101	if $make_core;	4095	if $make_core;
		4096
		4097	my $fh = pidfile;
		4098	unlink $PIDFILE if <$fh> == $$;
		4099	}
		4100
		4101	# a safer delete_package, copied from Symbol
		4102	sub clear_package($) {
		4103	my $pkg = shift;
		4104
		4105	# expand to full symbol table name if needed
		4106	unless ($pkg =~ /^main::.*::$/) {
		4107	$pkg = "main$pkg" if $pkg =~ /^::/;
		4108	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4109	$pkg .= '::' unless $pkg =~ /::$/;
		4110	}
		4111
		4112	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4113	my $stem_symtab = *{$stem}{HASH};
		4114
		4115	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4116	or return;
		4117
		4118	# clear all symbols
		4119	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4120	for my $name (keys %$leaf_symtab) {
		4121	_gv_clear *{"$pkg$name"};
		4122	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4123	}
3102	}	4124	}
3103		4125
3104	sub do_reload_perl() {	4126	sub do_reload_perl() {
3105	# can/must only be called in main	4127	# can/must only be called in main
3106	if ($Coro::current != $Coro::main) {	4128	unless (in_main) {
3107	warn "can only reload from main coroutine";	4129	error "can only reload from main coroutine";
3108	return;	4130	return;
3109	}	4131	}
3110		4132
3111	warn "reloading...";	4133	return if $RELOAD++;
3112		4134
3113	warn "entering sync_job";	4135	my $t1 = AE::time;
3114		4136
		4137	while ($RELOAD) {
		4138	cf::get_slot 0.1, -1, "reload_perl";
		4139	info "perl_reload: reloading...";
		4140
		4141	trace "perl_reload: entering sync_job";
		4142
3115	cf::sync_job {	4143	cf::sync_job {
3116	cf::write_runtime; # external watchdog should not bark
3117	cf::emergency_save;	4144	#cf::emergency_save;
3118	cf::write_runtime; # external watchdog should not bark
3119		4145
3120	warn "syncing database to disk";
3121	BDB::db_env_txn_checkpoint $DB_ENV;
3122
3123	# if anything goes wrong in here, we should simply crash as we already saved
3124
3125	warn "cancelling all WF_AUTOCANCEL watchers";
3126	for (Event::all_watchers) {
3127	$_->cancel if $_->data & WF_AUTOCANCEL;
3128	}
3129
3130	warn "flushing outstanding aio requests";
3131	for (;;) {
3132	BDB::flush;
3133	IO::AIO::flush;
3134	Coro::cede;
3135	last unless IO::AIO::nreqs || BDB::nreqs;
3136	warn "iterate...";
3137	}
3138
3139	++$RELOAD;
3140
3141	warn "cancelling all extension coros";	4146	trace "perl_reload: cancelling all extension coros";
3142	$_->cancel for values %EXT_CORO;	4147	$_->cancel for values %EXT_CORO;
3143	%EXT_CORO = ();	4148	%EXT_CORO = ();
3144		4149
3145	warn "removing commands";	4150	trace "perl_reload: removing commands";
3146	%COMMAND = ();	4151	%COMMAND = ();
3147		4152
3148	warn "removing ext/exti commands";	4153	trace "perl_reload: removing ext/exti commands";
3149	%EXTCMD = ();	4154	%EXTCMD = ();
3150	%EXTICMD = ();	4155	%EXTICMD = ();
3151		4156
3152	warn "unloading/nuking all extensions";	4157	trace "perl_reload: unloading/nuking all extensions";
3153	for my $pkg (@EXTS) {	4158	for my $pkg (@EXTS) {
3154	warn "... unloading $pkg";	4159	trace "... unloading $pkg";
3155		4160
3156	if (my $cb = $pkg->can ("unload")) {	4161	if (my $cb = $pkg->can ("unload")) {
3157	eval {	4162	eval {
3158	$cb->($pkg);	4163	$cb->($pkg);
3159	1	4164	1
3160	} or warn "$pkg unloaded, but with errors: $@";	4165	} or error "$pkg unloaded, but with errors: $@";
		4166	}
		4167
		4168	trace "... clearing $pkg";
		4169	clear_package $pkg;
3161	}	4170	}
3162		4171
3163	warn "... nuking $pkg";
3164	Symbol::delete_package $pkg;
3165	}
3166
3167	warn "unloading all perl modules loaded from $LIBDIR";	4172	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3168	while (my ($k, $v) = each %INC) {	4173	while (my ($k, $v) = each %INC) {
3169	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4174	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3170		4175
3171	warn "... unloading $k";	4176	trace "... unloading $k";
3172	delete $INC{$k};	4177	delete $INC{$k};
3173		4178
3174	$k =~ s/\.pm$//;	4179	$k =~ s/\.pm$//;
3175	$k =~ s/\//::/g;	4180	$k =~ s/\//::/g;
3176		4181
3177	if (my $cb = $k->can ("unload_module")) {	4182	if (my $cb = $k->can ("unload_module")) {
3178	$cb->();	4183	$cb->();
		4184	}
		4185
		4186	clear_package $k;
3179	}	4187	}
3180		4188
3181	Symbol::delete_package $k;
3182	}
3183
3184	warn "getting rid of safe::, as good as possible";	4189	trace "perl_reload: getting rid of safe::, as good as possible";
3185	Symbol::delete_package "safe::$_"	4190	clear_package "safe::$_"
3186	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4191	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3187		4192
3188	warn "unloading cf.pm \"a bit\"";	4193	trace "perl_reload: unloading cf.pm \"a bit\"";
3189	delete $INC{"cf.pm"};	4194	delete $INC{"cf.pm"};
3190	delete $INC{"cf/pod.pm"};	4195	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3191		4196
3192	# don't, removes xs symbols, too,	4197	# don't, removes xs symbols, too,
3193	# and global variables created in xs	4198	# and global variables created in xs
3194	#Symbol::delete_package __PACKAGE__;	4199	#clear_package __PACKAGE__;
3195		4200
3196	warn "unload completed, starting to reload now";	4201	info "perl_reload: unload completed, starting to reload now";
3197		4202
3198	warn "reloading cf.pm";	4203	trace "perl_reload: reloading cf.pm";
3199	require cf;	4204	require cf;
3200	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4205	cf::_connect_to_perl_1;
3201		4206
3202	warn "loading config and database again";	4207	trace "perl_reload: loading config and database again";
3203	cf::cfg_load;	4208	cf::reload_config;
3204		4209
3205	warn "loading extensions";	4210	trace "perl_reload: loading extensions";
3206	cf::load_extensions;	4211	cf::load_extensions;
3207		4212
		4213	if ($REATTACH_ON_RELOAD) {
3208	warn "reattaching attachments to objects/players";	4214	trace "perl_reload: reattaching attachments to objects/players";
3209	_global_reattach; # objects, sockets	4215	_global_reattach; # objects, sockets
3210	warn "reattaching attachments to maps";	4216	trace "perl_reload: reattaching attachments to maps";
3211	reattach $_ for values %MAP;	4217	reattach $_ for values %MAP;
3212	warn "reattaching attachments to players";	4218	trace "perl_reload: reattaching attachments to players";
3213	reattach $_ for values %PLAYER;	4219	reattach $_ for values %PLAYER;
		4220	}
3214		4221
3215	warn "leaving sync_job";	4222	cf::_post_init 1;
3216		4223
		4224	trace "perl_reload: leaving sync_job";
		4225
3217	1	4226	1
3218	} or do {	4227	} or do {
3219	warn $@;	4228	error $@;
3220	warn "error while reloading, exiting.";	4229	cf::cleanup "perl_reload: error, exiting.";
3221	exit 1;	4230	};
		4231
		4232	--$RELOAD;
3222	};	4233	}
3223		4234
3224	warn "reloaded";	4235	$t1 = AE::time - $t1;
		4236	info "perl_reload: completed in ${t1}s\n";
3225	};	4237	};
3226		4238
3227	our $RELOAD_WATCHER; # used only during reload	4239	our $RELOAD_WATCHER; # used only during reload
3228		4240
3229	sub reload_perl() {	4241	sub reload_perl() {
3230	# doing reload synchronously and two reloads happen back-to-back,	4242	# doing reload synchronously and two reloads happen back-to-back,
3231	# coro crashes during coro_state_free->destroy here.	4243	# coro crashes during coro_state_free->destroy here.
3232		4244
3233	$RELOAD_WATCHER ||= Event->timer (	4245	$RELOAD_WATCHER ||= cf::async {
3234	reentrant => 0,	4246	Coro::AIO::aio_wait cache_extensions;
3235	after => 0,	4247
3236	data => WF_AUTOCANCEL,	4248	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3237	cb => sub {
3238	do_reload_perl;	4249	do_reload_perl;
3239	undef $RELOAD_WATCHER;	4250	undef $RELOAD_WATCHER;
3240	},	4251	};
3241	);	4252	};
3242	}	4253	}
3243		4254
3244	register_command "reload" => sub {	4255	register_command "reload" => sub {
3245	my ($who, $arg) = @_;	4256	my ($who, $arg) = @_;
3246		4257
3247	if ($who->flag (FLAG_WIZ)) {	4258	if ($who->flag (FLAG_WIZ)) {
3248	$who->message ("reloading server.");	4259	$who->message ("reloading server.");
		4260	async {
		4261	$Coro::current->{desc} = "perl_reload";
3249	async { reload_perl };	4262	reload_perl;
		4263	};
3250	}	4264	}
3251	};	4265	};
3252		4266
3253	unshift @INC, $LIBDIR;	4267	#############################################################################
3254		4268
3255	my $bug_warning = 0;	4269	my $bug_warning = 0;
3256		4270
3257	our @WAIT_FOR_TICK;
3258	our @WAIT_FOR_TICK_BEGIN;
3259
3260	sub wait_for_tick {	4271	sub wait_for_tick() {
3261	return unless $TICK_WATCHER->is_active;	4272	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3262	return if $Coro::current == $Coro::main;
3263		4273
3264	my $signal = new Coro::Signal;	4274	$WAIT_FOR_TICK->wait;
3265	push @WAIT_FOR_TICK, $signal;
3266	$signal->wait;
3267	}	4275	}
3268		4276
3269	sub wait_for_tick_begin {	4277	sub wait_for_tick_begin() {
3270	return unless $TICK_WATCHER->is_active;	4278	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3271	return if $Coro::current == $Coro::main;
3272		4279
3273	my $signal = new Coro::Signal;	4280	my $signal = new Coro::Signal;
3274	push @WAIT_FOR_TICK_BEGIN, $signal;	4281	push @WAIT_FOR_TICK_BEGIN, $signal;
3275	$signal->wait;	4282	$signal->wait;
3276	}	4283	}
3277		4284
3278	my $min = 1e6;#d#	4285	sub tick {
3279	my $avg = 10;
3280	$TICK_WATCHER = Event->timer (
3281	reentrant => 0,
3282	parked => 1,
3283	prio => 0,
3284	at => $NEXT_TICK || $TICK,
3285	data => WF_AUTOCANCEL,
3286	cb => sub {
3287	if ($Coro::current != $Coro::main) {	4286	if ($Coro::current != $Coro::main) {
3288	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4287	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3289	unless ++$bug_warning > 10;	4288	unless ++$bug_warning > 10;
3290	return;	4289	return;
3291	}	4290	}
3292		4291
3293	$NOW = $tick_start = Event::time;	4292	cf::one_tick; # one server iteration
3294		4293
3295	cf::server_tick; # one server iteration	4294	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3296		4295
3297	0 && sync_job {#d#	4296	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3298	for(1..10) {	4297	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3299	my $t = Event::time;	4298	Coro::async_pool {
3300	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4299	$Coro::current->{desc} = "runtime saver";
3301	or die;	4300	write_runtime_sync
3302		4301	or error "ERROR: unable to write runtime file: $!";
3303	$map->width (50);
3304	$map->height (50);
3305	$map->alloc;
3306	$map->_load_objects ("/tmp/x.map", 1);
3307	my $t = Event::time - $t;
3308
3309	#next unless $t < 0.0013;#d#
3310	if ($t < $min) {
3311	$min = $t;
3312	}
3313	$avg = $avg * 0.99 + $t * 0.01;
3314	}
3315	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3316	exit 0;
3317	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3318	};	4302	};
		4303	}
3319		4304
3320	$RUNTIME += $TICK;
3321	$NEXT_TICK += $TICK;
3322
3323	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3324	$NEXT_RUNTIME_WRITE = $NOW + 10;
3325	Coro::async_pool {
3326	write_runtime
3327	or warn "ERROR: unable to write runtime file: $!";
3328	};
3329	}
3330
3331	# my $AFTER = Event::time;
3332	# warn $AFTER - $NOW;#d#
3333
3334	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4305	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3335	$sig->send;	4306	$sig->send;
3336	}	4307	}
3337	while (my $sig = shift @WAIT_FOR_TICK) {	4308	$WAIT_FOR_TICK->broadcast;
3338	$sig->send;
3339	}
3340		4309
3341	$NOW = Event::time;	4310	$LOAD = ($NOW - $TICK_START) / $TICK;
3342
3343	# if we are delayed by four ticks or more, skip them all
3344	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3345
3346	$TICK_WATCHER->at ($NEXT_TICK);
3347	$TICK_WATCHER->start;
3348
3349	$LOAD = ($NOW - $tick_start) / $TICK;
3350	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4311	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3351		4312
3352	_post_tick;	4313	if (0) {
3353		4314	if ($NEXT_TICK) {
3354		4315	my $jitter = $TICK_START - $NEXT_TICK;
		4316	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4317	debug "jitter $JITTER\n";#d#
		4318	}
3355	},	4319	}
3356	);	4320	}
3357		4321
3358	{	4322	{
3359	BDB::max_poll_time $TICK * 0.1;	4323	# configure BDB
3360	$BDB_POLL_WATCHER = Event->io (	4324	info "initialising database";
3361	reentrant => 0,	4325
3362	fd => BDB::poll_fileno,
3363	poll => 'r',
3364	prio => 0,
3365	data => WF_AUTOCANCEL,
3366	cb => \&BDB::poll_cb,
3367	);
3368	BDB::min_parallel 8;	4326	BDB::min_parallel 16;
3369		4327	BDB::max_poll_reqs $TICK * 0.1;
3370	BDB::set_sync_prepare {	4328	#$AnyEvent::BDB::WATCHER->priority (1);
3371	my $status;
3372	my $current = $Coro::current;
3373	(
3374	sub {
3375	$status = $!;
3376	$current->ready; undef $current;
3377	},
3378	sub {
3379	Coro::schedule while defined $current;
3380	$! = $status;
3381	},
3382	)
3383	};
3384		4329
3385	unless ($DB_ENV) {	4330	unless ($DB_ENV) {
3386	$DB_ENV = BDB::db_env_create;	4331	$DB_ENV = BDB::db_env_create;
		4332	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4333	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4334	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4335	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4336	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3387		4337
3388	cf::sync_job {	4338	cf::sync_job {
3389	eval {	4339	eval {
3390	BDB::db_env_open	4340	BDB::db_env_open
3391	$DB_ENV,	4341	$DB_ENV,
…		…
3393	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4343	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3394	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4344	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3395	0666;	4345	0666;
3396		4346
3397	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4347	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3398
3399	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3400	$DB_ENV->set_lk_detect;
3401	};	4348	};
3402		4349
3403	cf::cleanup "db_env_open(db): $@" if $@;	4350	cf::cleanup "db_env_open(db): $@" if $@;
3404	};	4351	};
3405	}	4352	}
		4353
		4354	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4355	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4356	};
		4357	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4358	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4359	};
		4360	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4361	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4362	};
		4363
		4364	info "database initialised";
3406	}	4365	}
3407		4366
3408	{	4367	{
		4368	# configure IO::AIO
		4369
		4370	info "initialising aio";
3409	IO::AIO::min_parallel 8;	4371	IO::AIO::min_parallel 8;
3410
3411	undef $Coro::AIO::WATCHER;
3412	IO::AIO::max_poll_time $TICK * 0.1;	4372	IO::AIO::max_poll_time $TICK * 0.1;
3413	$AIO_POLL_WATCHER = Event->io (	4373	undef $AnyEvent::AIO::WATCHER;
3414	reentrant => 0,	4374	info "aio initialised";
3415	data => WF_AUTOCANCEL,
3416	fd => IO::AIO::poll_fileno,
3417	poll => 'r',
3418	prio => 6,
3419	cb => \&IO::AIO::poll_cb,
3420	);
3421	}	4375	}
3422		4376
3423	my $_log_backtrace;	4377	our $_log_backtrace;
		4378	our $_log_backtrace_last;
3424		4379
3425	sub _log_backtrace {	4380	sub _log_backtrace {
3426	my ($msg, @addr) = @_;	4381	my ($msg, @addr) = @_;
3427		4382
3428	$msg =~ s/\n//;	4383	$msg =~ s/\n$//;
3429		4384
		4385	if ($_log_backtrace_last eq $msg) {
		4386	LOG llevInfo, "[ABT] $msg\n";
		4387	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3430	# limit the # of concurrent backtraces	4388	# limit the # of concurrent backtraces
3431	if ($_log_backtrace < 2) {	4389	} elsif ($_log_backtrace < 2) {
		4390	$_log_backtrace_last = $msg;
3432	++$_log_backtrace;	4391	++$_log_backtrace;
		4392	my $perl_bt = Carp::longmess $msg;
3433	async {	4393	async {
		4394	$Coro::current->{desc} = "abt $msg";
		4395
3434	my @bt = fork_call {	4396	my @bt = fork_call {
3435	@addr = map { sprintf "%x", $_ } @addr;	4397	@addr = map { sprintf "%x", $_ } @addr;
3436	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4398	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3437	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4399	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3438	or die "addr2line: $!";	4400	or die "addr2line: $!";
…		…
3446	}	4408	}
3447		4409
3448	@funcs	4410	@funcs
3449	};	4411	};
3450		4412
3451	LOG llevInfo, "[ABT] $msg\n";	4413	LOG llevInfo, "[ABT] $perl_bt\n";
		4414	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3452	LOG llevInfo, "[ABT] $_\n" for @bt;	4415	LOG llevInfo, "[ABT] $_\n" for @bt;
3453	--$_log_backtrace;	4416	--$_log_backtrace;
3454	};	4417	};
3455	} else {	4418	} else {
3456	LOG llevInfo, "[ABT] $msg\n";	4419	LOG llevInfo, "[ABT] $msg\n";
3457	LOG llevInfo, "[ABT] [suppressed]\n";	4420	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3458	}	4421	}
3459	}	4422	}
3460		4423
3461	# load additional modules	4424	# load additional modules
3462	use cf::pod;	4425	require "cf/$_.pm" for @EXTRA_MODULES;
		4426	cf::_connect_to_perl_2;
3463		4427
3464	END { cf::emergency_save }	4428	END { cf::emergency_save }
3465		4429
3466	1	4430	1
3467		4431

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