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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.302 by root, Tue Jul 10 16:23:59 2007 UTC vs.
Revision 1.616 by root, Mon Aug 10 03:05:30 2015 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();
		277
		278	=item @cf::INVOKE_RESULTS
		279
		280	This array contains the results of the last C<invoke ()> call. When
		281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		282	that call.
		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
171		289
172	=back	290	=back
173		291
174	=cut	292	=cut
175		293
176	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
177	*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 {
178	my $msg = join "", @_;	301	my $msg = join "", @_;
179		302
180	$msg .= "\n"	303	$msg .= "\n"
181	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
182		305
183	$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;
184		307
185	utf8::encode $msg;
186	LOG llevError, $msg;	308	LOG llevWarn, $msg;
187	};	309	};
188	}	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	};
189		324
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
200	for my $pkg (qw(	335	for my $pkg (qw(
201	cf::global cf::attachable	336	cf::global cf::attachable
202	cf::object cf::object::player	337	cf::object cf::object::player
203	cf::client cf::player	338	cf::client cf::player
204	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
205	cf::map cf::party cf::region	341	cf::party cf::region
206	)) {	342	)) {
207	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	344	}
210		345
211	$Event::DIED = sub {	346	$EV::DIED = sub {
212	warn "error in event callback: @_";	347	warn "error in event callback: $@";
213	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
214		354
215	#############################################################################	355	#############################################################################
216		356
217	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
218		358
…		…
239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
240	$d	380	$d
241	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
242	}	382	}
243		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
244	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
245		437
246	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
247		439
248	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
249		441
250	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
251		443
252	=cut	444	=cut
253		445
254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		447
256	sub to_json ($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
257	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	}
258		512
259	=item cf::lock_wait $string	513	=item cf::lock_wait $string
260		514
261	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
262		516
263	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
264		518
265	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
266	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,
267	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
268	returned.	522	returned.
269		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
270	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
271	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
272		529
273	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
274		531
275	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.
276		533
277	=cut	534	=cut
278		535
279	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
280		537
281	sub lock_wait($) {	538	sub lock_wait($) {
282	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	540	}
290		541
291	sub lock_acquire($) {	542	sub lock_acquire($) {
292	my ($key) = @_;	543	$LOCKS->guard ($_[0])
293
294	# wait, to be sure we are not locked
295	lock_wait $key;
296
297	$LOCK{$key} = [];
298
299	Coro::guard {
300	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };
302	}
303	}	544	}
304		545
305	sub lock_active($) {	546	sub lock_active($) {
306	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	548	}
310		549
311	sub freeze_mainloop {	550	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
313		552
314	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
315	$TICK_WATCHER->start;	554	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	Coro::cede;
		603
		604	my $avail = cf::till_tick;
		605
		606	for (0 .. $#SLOT_QUEUE) {
		607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
		609	my $job = splice @SLOT_QUEUE, $_, 1, ();
		610	$job->[2]->send;
		611	goto next_job;
		612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		614	}
		615	}
		616
		617	if (@SLOT_QUEUE) {
		618	wait_for_tick;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
316	};	623	}
317	$TICK_WATCHER->stop;	624	};
318	$guard	625
		626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
319	}	639	}
320		640
321	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
322		642
323	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		648
329	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
330		650
331	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
332		652
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	654	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	656	acceptable.
337		657
338	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
…		…
343	=cut	663	=cut
344		664
345	sub sync_job(&) {	665	sub sync_job(&) {
346	my ($job) = @_;	666	my ($job) = @_;
347		667
348	if ($Coro::current == $Coro::main) {	668	if (in_main) {
349	my $time = Event::time;	669	my $time = AE::time;
350		670
351	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
353		673
354	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	675
356	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
357		677
358	my $busy = 1;	678	my $busy = 1;
359	my @res;	679	my @res;
360		680
361	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	683	@res = eval { $job->() };
363	warn $@ if $@;	684	error $@ if $@;
364	undef $busy;	685	undef $busy;
365	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
366		687
367	while ($busy) {	688	while ($busy) {
368	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::run EV::RUN_ONESHOT;
369	}	693	}
		694	}
370		695
371	$time = Event::time - $time;	696	my $time = AE::time - $time;
372		697
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
377		699
378	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
379	} else {	701	} else {
380	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
381		703
…		…
401	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
402		724
403	$coro	725	$coro
404	}	726	}
405		727
406	=item fork_call { }, $args	728	=item fork_call { }, @args
407		729
408	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
409	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
410	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
411	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
412		734
413	=cut	735	=cut
414		736
415	sub _store_scalar {	737	sub post_fork {
416	open my $fh, ">", \my $buf	738	reset_signals;
417	or die "fork_call: cannot open fh-to-buf in child : $!";
418	Storable::store_fd $_[0], $fh;
419	close $fh;
420
421	$buf
422	}	739	}
423		740
424	sub fork_call(&@) {	741	sub fork_call(&@) {
425	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
426		743
427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	744	my @res = Coro::Util::fork_eval {
428	# or die "socketpair: $!";	745	cf::post_fork;
429	pipe my $fh1, my $fh2	746	&$cb
430	or die "pipe: $!";	747	} @args;
431		748
432	if (my $pid = fork) {	749	wantarray ? @res : $res[-1]
433	close $fh2;	750	}
434		751
435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	752	sub objinfo {
436	warn "pst<$res>" unless $res =~ /^pst/;
437	$res = Coro::Storable::thaw $res;
438
439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
440
441	Carp::confess $$res unless "ARRAY" eq ref $res;
442
443	return wantarray ? @$res : $res->[-1];
444	} else {
445	reset_signals;
446	local $SIG{__WARN__};
447	local $SIG{__DIE__};
448	# just in case, this hack effectively disables event
449	# in the child. cleaner and slower would be canceling all watchers,
450	# but this works for the time being.
451	local $Coro::idle;
452	$Coro::current->prio (Coro::PRIO_MAX);
453
454	eval {
455	close $fh1;
456
457	my @res = eval { $cb->(@args) };
458
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
460	close $fh2;
461	};
462
463	warn $@ if $@;
464	_exit 0;
465	}	753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
		761	}
		762
		763	=item $coin = coin_from_name $name
		764
		765	=cut
		766
		767	our %coin_alias = (
		768	"silver" => "silvercoin",
		769	"silvercoin" => "silvercoin",
		770	"silvercoins" => "silvercoin",
		771	"gold" => "goldcoin",
		772	"goldcoin" => "goldcoin",
		773	"goldcoins" => "goldcoin",
		774	"platinum" => "platinacoin",
		775	"platinumcoin" => "platinacoin",
		776	"platinumcoins" => "platinacoin",
		777	"platina" => "platinacoin",
		778	"platinacoin" => "platinacoin",
		779	"platinacoins" => "platinacoin",
		780	"royalty" => "royalty",
		781	"royalties" => "royalty",
		782	);
		783
		784	sub coin_from_name($) {
		785	$coin_alias{$_[0]}
		786	? cf::arch::find $coin_alias{$_[0]}
		787	: undef
466	}	788	}
467		789
468	=item $value = cf::db_get $family => $key	790	=item $value = cf::db_get $family => $key
469		791
470	Returns a single value from the environment database.	792	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	794	=item cf::db_put $family => $key => $value
473		795
474	Stores the given C<$value> in the family. It can currently store binary	796	Stores the given C<$value> in the family. It can currently store binary
475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	797	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
476		798
		799	=item $db = cf::db_table "name"
		800
		801	Create and/or open a new database table. The string must not be "db" and must be unique
		802	within each server.
		803
477	=cut	804	=cut
		805
		806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
		810	my ($name) = @_;
		811	my $db = BDB::db_create $DB_ENV;
		812
		813	eval {
		814	$db->set_flags (BDB::CHKSUM);
		815
		816	utf8::encode $name;
		817	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		818	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		819	cf::cleanup "db_open(db): $!" if $!;
		820	};
		821	cf::cleanup "db_open(db): $@" if $@;
		822
		823	$db
		824	}
478		825
479	our $DB;	826	our $DB;
480		827
481	sub db_init {	828	sub db_init {
482	unless ($DB) {	829	$DB ||= db_table "db";
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {
486	eval {
487	$DB->set_flags (BDB::CHKSUM);
488
489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491	cf::cleanup "db_open(db): $!" if $!;
492	};
493	cf::cleanup "db_open(db): $@" if $@;
494	};
495	}
496	}	830	}
497		831
498	sub db_get($$) {	832	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
500		834
501	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
502	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
503		839
504	$! ? ()	840	$! ? ()
505	: $data	841	: $data
506	}
507	}	842	}
508		843
509	sub db_put($$$) {	844	sub db_put($$$) {
510	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
539		874
540	my @data;	875	my @data;
541	my $md5;	876	my $md5;
542		877
543	for (0 .. $#$src) {	878	for (0 .. $#$src) {
544	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
545	or Carp::croak "$src->[$_]: $!";
546	}	880	}
547		881
548	# if processing is expensive, check	882	# if processing is expensive, check
549	# checksum first	883	# checksum first
550	if (1) {	884	if (1) {
551	$md5 =	885	$md5 =
552	join "\x00",	886	join "\x00",
553	$processversion,	887	$processversion,
554	map {	888	map {
555	Coro::cede;	889	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	890	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	891	} 0.. $#$src;
558		892
559		893
560	my $dbmd5 = db_get cache => "$id/md5";	894	my $dbmd5 = db_get cache => "$id/md5";
…		…
563		897
564	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
565	}	899	}
566	}	900	}
567		901
568	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
569	my $data = $process->(\@data);	903	my $data = $process->(\@data);
570	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
571		905
572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
573		907
574	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
575	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
576	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
577		911
…		…
587		921
588	=cut	922	=cut
589		923
590	sub datalog($@) {	924	sub datalog($@) {
591	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
593	}	927	}
594		928
595	=back	929	=back
596		930
597	=cut	931	=cut
598		932
599	#############################################################################	933	#############################################################################
600		934
601	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
602		936
603	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
604	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
605	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
606		940
607	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
608	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
609	Crossfire TRT).	943	Deliantra).
610		944
611	=over 4	945	=over 4
612		946
613	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
614		948
…		…
658	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
659		993
660	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
661	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
662		996
663	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
664	that are attached at load/instantiate time, thus the need for a name.	998	that are attached at load/instantiate time, thus the need for a name.
665		999
666	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
667		1001
668	=over 4	1002	=over 4
…		…
792		1126
793	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
794	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
795		1129
796	} elsif (ref $type) {	1130	} elsif (ref $type) {
797	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
798		1132
799	} else {	1133	} else {
800	shift @arg;	1134	shift @arg;
801	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
802	}	1136	}
803	}	1137	}
804	}	1138	}
805		1139
806	sub _object_attach {	1140	sub _object_attach {
…		…
816	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
817	}	1151	}
818		1152
819	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
820	} else {	1154	} else {
821	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
822	}	1156	}
823		1157
824	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
825	}	1159	}
826		1160
…		…
866	";	1200	";
867	die if $@;	1201	die if $@;
868	}	1202	}
869		1203
870	our $override;	1204	our $override;
871	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1205	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
872		1206
873	sub override {	1207	sub override {
874	$override = 1;	1208	$override = 1;
875	@invoke_results = ();	1209	@INVOKE_RESULTS = (@_);
876	}	1210	}
877		1211
878	sub do_invoke {	1212	sub do_invoke {
879	my $event = shift;	1213	my $event = shift;
880	my $callbacks = shift;	1214	my $callbacks = shift;
881		1215
882	@invoke_results = ();	1216	@INVOKE_RESULTS = ();
883		1217
884	local $override;	1218	local $override;
885		1219
886	for (@$callbacks) {	1220	for (@$callbacks) {
887	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
888		1222
889	if ($@) {	1223	if ($@) {
890	warn "$@";
891	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
892	override;	1225	override;
893	}	1226	}
894		1227
895	return 1 if $override;	1228	return 1 if $override;
896	}	1229	}
897		1230
898	0	1231	0
899	}	1232	}
900		1233
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1235
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1237
905	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
906		1239
907	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1240	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
908	removed in future versions), and there is no public API to access override	1241	removed in future versions), and there is no public API to access override
909	results (if you must, access C<@cf::invoke_results> directly).	1242	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1243
911	=back	1244	=back
912		1245
913	=cut	1246	=cut
914		1247
915	#############################################################################	1248	#############################################################################
916	# object support	1249	# object support
		1250
		1251	sub _object_equal($$);
		1252	sub _object_equal($$) {
		1253	my ($a, $b) = @_;
		1254
		1255	return 0 unless (ref $a) eq (ref $b);
		1256
		1257	if ("HASH" eq ref $a) {
		1258	my @ka = keys %$a;
		1259	my @kb = keys %$b;
		1260
		1261	return 0 if @ka != @kb;
		1262
		1263	for (0 .. $#ka) {
		1264	return 0 unless $ka[$_] eq $kb[$_];
		1265	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1266	}
		1267
		1268	} elsif ("ARRAY" eq ref $a) {
		1269
		1270	return 0 if @$a != @$b;
		1271
		1272	for (0 .. $#$a) {
		1273	return 0 unless _object_equal $a->[$_], $b->[$_];
		1274	}
		1275
		1276	} elsif ($a ne $b) {
		1277	return 0;
		1278	}
		1279
		1280	1
		1281	}
		1282
		1283	our $SLOW_MERGES;#d#
		1284	sub _can_merge {
		1285	my ($ob1, $ob2) = @_;
		1286
		1287	++$SLOW_MERGES;#d#
		1288
		1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
		1291	}
917		1292
918	sub reattach {	1293	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1295	my ($obj) = @_;
921		1296
		1297	# no longer needed after getting rid of delete_package?
922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1298	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
923		1299
924	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
925		1301
926	@$registry = ();	1302	@$registry = ();
927		1303
…		…
932	for (@$attach) {	1308	for (@$attach) {
933	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
934	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
935	}	1311	}
936	} else {	1312	} else {
937	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
938	}	1314	}
939	}	1315	}
940	}	1316	}
941		1317
942	cf::attachable->attach (	1318	cf::attachable->attach (
943	prio => -1000000,	1319	prio => -1000000,
944	on_instantiate => sub {	1320	on_instantiate => sub {
945	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
946		1322
947	$data = from_json $data;	1323	$data = decode_json $data;
948		1324
949	for (@$data) {	1325	for (@$data) {
950	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
951		1327
952	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1344	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
970		1346
971	sync_job {	1347	sync_job {
972	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
975		1353
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1359	aio_fsync $fh;
		1360	}
980	close $fh;	1361	aio_close $fh;
981		1362
982	if (@$objs) {	1363	if (@$objs) {
983	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
984	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
987	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1370	aio_fsync $fh;
		1371	}
988	close $fh;	1372	aio_close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
990	}	1374	}
991	} else {	1375	} else {
992	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
993	}	1377	}
994		1378
995	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
996	} else {	1383	} else {
997	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
998	}	1385	}
999	} else {	1386	} else {
1000	aio_unlink $filename;	1387	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1002	}	1389	}
1003	}	1390	};
1004	}	1391	}
1005		1392
1006	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
1008		1395
…		…
1020	or return;	1407	or return;
1021		1408
1022	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1411	or return;
		1412
1025	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
1026	}	1415	}
1027		1416
		1417	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
1030	return ($data, $av);	1422	($data, $av)
1031	}	1423	}
1032		1424
1033	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
1034		1426
1035	=over 4	1427	=over 4
…		…
1037	=cut	1429	=cut
1038		1430
1039	#############################################################################	1431	#############################################################################
1040	# command handling &c	1432	# command handling &c
1041		1433
1042	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1043		1435
1044	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
1045	$name.	1437	$name.
1046		1438
1047	=cut	1439	=cut
…		…
1053	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1054		1446
1055	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1056	}	1448	}
1057		1449
1058	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1059		1451
1060	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1061	extcmd packet. Ext commands will be processed in the order they are	1453	extcmd packet. Ext commands will be processed in the order they are
1062	received by the server, like other user commands. The first argument is	1454	received by the server, like other user commands. The first argument is
1063	the logged-in player. Ext commands can only be processed after a player	1455	the logged-in player. Ext commands can only be processed after a player
1064	has logged in successfully.	1456	has logged in successfully.
1065		1457
1066	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1067	called.
1068		1459
		1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
1069	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1070		1466
1071	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1072	exticmd packet. Exti commands are processed by the server as soon as they	1468	exticmd packet. Exti commands are processed by the server as soon as they
1073	are received, i.e. out of order w.r.t. other commands. The first argument	1469	are received, i.e. out of order w.r.t. other commands. The first argument
1074	is a client socket. Exti commands can be received anytime, even before	1470	is a client socket. Exti commands can be received anytime, even before
1075	log-in.	1471	log-in.
1076		1472
1077	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1078	called.
1079		1474
1080	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1081		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1082	sub register_extcmd {	1482	sub register_extcmd($$) {
1083	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1084		1484
1085	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1086	}	1486	}
1087		1487
1088	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1089	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1090		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1091	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1092	}	1498	}
1093		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1094	cf::player->attach (	1508	cf::player->attach (
1095	on_command => sub {	1509	on_unknown_command => sub {
1096	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1097		1511
1098	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1099	or return;	1513	or return;
1100		1514
…		…
1108	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1109		1523
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1525
1112	if (ref $msg) {	1526	if (ref $msg) {
		1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1528
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1529	if (my $cb = $EXTACMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1530	$cb->(
1115	$pl->ext_reply ($msg->{msgid}, %reply);	1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
		1542	@reply = $cb->($pl, @payload);
1116	}	1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1117	}	1547	}
		1548
1118	} else {	1549	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1551	}
1121		1552
1122	cf::override;	1553	cf::override;
1123	},	1554	},
1124	);	1555	);
1125		1556
		1557	# "readahead" all extensions
		1558	sub cache_extensions {
		1559	my $grp = IO::AIO::aio_group;
		1560
		1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1562	for (grep /\.ext$/, @{$_[0]}) {
		1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1564	}
		1565	};
		1566
		1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1579	}
		1580
1126	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1127	cf::sync_job {	1586	cf::sync_job {
1128	my %todo;	1587	my %todo;
1129		1588
1130	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1131	next unless -r $path;	1590	next unless -r $path;
…		…
1149		1608
1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152		1611
1153	$ext{source} =	1612	$ext{source} =
1154	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1155	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1156	. $source	1615	. $source
1157	. "\n};\n1";	1616	. "\n};\n1";
1158		1617
1159	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1160	}	1619	}
1161		1620
		1621	my $pass = 0;
1162	my %done;	1622	my %done;
1163	while (%todo) {	1623	while (%todo) {
1164	my $progress;	1624	my $progress;
1165		1625
		1626	++$pass;
		1627
		1628	ext:
1166	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1167	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1168	goto skip	1631	next ext
1169	unless exists $done{$_};	1632	unless exists $done{$_};
1170	}	1633	}
1171		1634
1172	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1173		1636
1174	unless (eval $v->{source}) {	1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
1175	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1176	: "$v->{base}: extension inactive.\n";
1177		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1178	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1179	warn $msg;	1653
1180	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1181	exit 1;	1655	delete $todo{$k};
1182	}	1656	} else {
1183		1657	$done{$k} = delete $todo{$k};
1184	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1185	}	1663	}
1186
1187	$done{$k} = delete $todo{$k};
1188	push @EXTS, $v->{pkg};
1189	$progress = 1;
1190	}	1664	}
1191		1665
1192	skip:	1666	unless ($progress) {
1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1194	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1195	}	1676	}
1196	};	1677	};
1197	}	1678	}
1198		1679
1199	#############################################################################	1680	#############################################################################
1200		1681
1201	=back	1682	=back
1202		1683
1203	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1204		1685
1205	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1206		1687
1207	=cut	1688	=cut
1208		1689
1209	package cf::player;	1690	package cf::player;
1210		1691
1211	use Coro::AIO;	1692	use Coro::AIO;
1212		1693
1213	=head3 cf::player	1694	=head3 cf::player
1214		1695
1215	=over 4	1696	=over 4
		1697
		1698	=item cf::player::num_playing
		1699
		1700	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1701
		1702	=cut
		1703
		1704	sub num_playing {
		1705	scalar grep
		1706	$_->ob->map
		1707	&& !$_->hidden
		1708	&& !$_->ob->flag (cf::FLAG_WIZ),
		1709	cf::player::list
		1710	}
1216		1711
1217	=item cf::player::find $login	1712	=item cf::player::find $login
1218		1713
1219	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
1220		1715
…		…
1239		1734
1240	sub exists($) {	1735	sub exists($) {
1241	my ($login) = @_;	1736	my ($login) = @_;
1242		1737
1243	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1245	}	1740	}
1246		1741
1247	sub find($) {	1742	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1744	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1755
1261	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
1262	or return;	1757	or return;
		1758
		1759	my $pl = cf::player::load_pl $f
		1760	or return;
		1761
		1762	local $cf::PLAYER_LOADING{$login} = $pl;
		1763	$f->resolve_delayed_derefs;
1263	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1264	}	1765	}
1265	}	1766	}
1266	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
1267		1781
1268	sub save($) {	1782	sub save($) {
1269	my ($pl) = @_;	1783	my ($pl) = @_;
1270		1784
1271	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1276	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1277		1791
1278	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1280		1794
		1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1799
1281	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1282	Coro::cede;	1801	cf::cede_to_tick;
1283	}	1802	}
1284		1803
1285	sub new($) {	1804	sub new($) {
1286	my ($login) = @_;	1805	my ($login) = @_;
1287		1806
…		…
1293	$cf::PLAYER{$login} = $self;	1812	$cf::PLAYER{$login} = $self;
1294		1813
1295	$self	1814	$self
1296	}	1815	}
1297		1816
		1817	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1818
		1819	=cut
		1820
		1821	sub send_msg {
		1822	my $ns = shift->ns
		1823	or return;
		1824	$ns->send_msg (@_);
		1825	}
		1826
1298	=item $pl->quit_character	1827	=item $pl->quit_character
1299		1828
1300	Nukes the player without looking back. If logged in, the connection will	1829	Nukes the player without looking back. If logged in, the connection will
1301	be destroyed. May block for a long time.	1830	be destroyed. May block for a long time.
1302		1831
…		…
1306	my ($pl) = @_;	1835	my ($pl) = @_;
1307		1836
1308	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1309		1838
1310	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1311	$pl->password ("*"); # this should lock out the player until we nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1312		1841
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1314	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1316	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1317		1850
1318	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1320	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1355	or return [];	1888	or return [];
1356		1889
1357	my @logins;	1890	my @logins;
1358		1891
1359	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
		1893	my $path = path $login;
		1894
		1895	# a .pst is a dead give-away for a valid player
		1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1363		1902
1364	utf8::decode $login;	1903	utf8::decode $login;
1365	push @logins, $login;	1904	push @logins, $login;
1366	}	1905	}
1367		1906
1368	\@logins	1907	\@logins
1369	}	1908	}
1370		1909
1371	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1372		1913
1373	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1374	player. May block.	1915	player. May block.
1375		1916
1376	=cut	1917	=cut
…		…
1394	}	1935	}
1395		1936
1396	\@paths	1937	\@paths
1397	}	1938	}
1398		1939
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1941
1401	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1402		1943
1403	=cut
1404
1405	sub expand_cfpod {
1406	((my $self), (local $_)) = @_;
1407
1408	# escape & and <
1409	s/&/&amp;/g;
1410	s/(?<![BIUGH])</&lt;/g;
1411
1412	# this is buggy, it needs to properly take care of nested <'s
1413
1414	1 while
1415	# replace B<>, I<>, U<> etc.
1416	s/B<([^\>]*)>/<b>$1<\/b>/
1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
1419	# replace G<male|female> tags
1420	|| s{G<([^>|]*)\|([^>]*)>}{
1421	$self->gender ? $2 : $1
1422	}ge
1423	# replace H<hint text>
1424	|| s{H<([^\>]*)>}
1425	{
1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428	"")
1429	[$self->{hintmode}]
1430	}ge;
1431
1432	# create single paragraphs (very hackish)
1433	s/(?<=\S)\n(?=\w)/ /g;
1434
1435	# compress some whitespace
1436	s/\s+\n/\n/g; # ws line-ends
1437	s/\n\n+/\n/g; # double lines
1438	s/^\n+//; # beginning lines
1439	s/\n+$//; # ending lines
1440
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)
1450
1451	Sends an ext reply to the player.
1452
1453	=cut
1454
1455	sub ext_reply($$%) {
1456	my ($self, $id, %msg) = @_;
1457
1458	$msg{msgid} = $id;
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}
1461
1462	=item $player->ext_event ($type, %msg)	1944	=item $player->ext_msg ($type, @msg)
1463		1945
1464	Sends an ext event to the client.	1946	Sends an ext event to the client.
1465		1947
1466	=cut	1948	=cut
1467		1949
1468	sub ext_event($$%) {	1950	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1470		1952
1471	$self->ns->ext_event ($type, %msg);	1953	$self->ns->ext_msg ($type, @msg);
1472	}	1954	}
1473		1955
1474	=head3 cf::region	1956	=head3 cf::region
1475		1957
1476	=over 4	1958	=over 4
…		…
1486	=cut	1968	=cut
1487		1969
1488	sub find_by_path($) {	1970	sub find_by_path($) {
1489	my ($path) = @_;	1971	my ($path) = @_;
1490		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
		1974
1491	my ($match, $specificity);	1975	my ($match, $specificity);
1492		1976
1493	for my $region (list) {	1977	for my $region (list) {
1494	if ($region->match && $path =~ $region->match) {	1978	if ($region->{match} && $path =~ $region->{match}) {
1495	($match, $specificity) = ($region, $region->specificity)	1979	($match, $specificity) = ($region, $region->specificity)
1496	if $region->specificity > $specificity;	1980	if $region->specificity > $specificity;
1497	}	1981	}
1498	}	1982	}
1499		1983
…		…
1520	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1522		2006
1523	sub generate_random_map {	2007	sub generate_random_map {
1524	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1525	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1526	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1530	$rmp->{exit_on_final_map},
1531	$rmp->{xsize}, $rmp->{ysize},
1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1534	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1535	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1537	(cf::region::find $rmp->{region}), $rmp->{custom}
1538	)
1539	}	2013	}
1540		2014
1541	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1542		2016
1543	Register a handler for the map path matching the given regex at the	2017	Register a handler for the map path matching the given regex at the
…		…
1548		2022
1549	sub register {	2023	sub register {
1550	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1551	my $pkg = caller;	2025	my $pkg = caller;
1552		2026
1553	no strict;
1554	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1555		2028
1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1557	}	2030	}
1558		2031
1559	# also paths starting with '/'	2032	# also paths starting with '/'
1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1561		2034
1562	sub thawer_merge {	2035	sub thawer_merge {
1563	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1564		2037
1565	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1570	}	2043	}
1571		2044
1572	sub normalise {	2045	sub normalise {
1573	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1574		2047
1575	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1576		2049
1577	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1578		2051
1579	# map plan:	2052	# map plan:
1580	#	2053	#
…		…
1595	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1596	$path = "$base/$path";	2069	$path = "$base/$path";
1597	}	2070	}
1598		2071
1599	for ($path) {	2072	for ($path) {
1600	redo if s{//}{/};
1601	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1602	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1603	}	2075	}
1604		2076
1605	$path	2077	$path
…		…
1619	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1620	return $self;	2092	return $self;
1621	}	2093	}
1622	}	2094	}
1623		2095
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1625	()	2097	()
1626	}	2098	}
1627		2099
		2100	# may re-bless or do other evil things
1628	sub init {	2101	sub init {
1629	my ($self) = @_;	2102	my ($self) = @_;
1630		2103
1631	$self	2104	$self
1632	}	2105	}
…		…
1651		2124
1652	# the temporary/swap location	2125	# the temporary/swap location
1653	sub save_path {	2126	sub save_path {
1654	my ($self) = @_;	2127	my ($self) = @_;
1655		2128
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1658	}	2131	}
1659		2132
1660	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1661	sub uniq_path {	2134	sub uniq_path {
1662	my ($self) = @_;	2135	my ($self) = @_;
1663		2136
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1666	}
1667
1668	# and all this just because we cannot iterate over
1669	# all maps in C++...
1670	sub change_all_map_light {
1671	my ($change) = @_;
1672
1673	$_->change_map_light ($change)
1674	for grep $_->outdoor, values %cf::MAP;
1675	}	2139	}
1676		2140
1677	sub decay_objects {	2141	sub decay_objects {
1678	my ($self) = @_;	2142	my ($self) = @_;
1679		2143
…		…
1692		2156
1693	sub load_header_from($) {	2157	sub load_header_from($) {
1694	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1695		2159
1696	utf8::encode $path;	2160	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	2162	or return;
1702		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1703	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1704		2171
1705	1	2172	1
1706	}	2173	}
1707		2174
		2175	# used to laod the header of an original map
1708	sub load_header_orig {	2176	sub load_header_orig {
1709	my ($self) = @_;	2177	my ($self) = @_;
1710		2178
1711	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1712	}	2180	}
1713		2181
		2182	# used to laod the header of an instantiated map
1714	sub load_header_temp {	2183	sub load_header_temp {
1715	my ($self) = @_;	2184	my ($self) = @_;
1716		2185
1717	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1718	}	2187	}
1719		2188
		2189	# called after loading the header from an instantiated map
1720	sub prepare_temp {	2190	sub prepare_temp {
1721	my ($self) = @_;	2191	my ($self) = @_;
1722		2192
1723	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1724	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1725	# safety	2195	# safety
1726	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1727	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1728	}	2198	}
1729		2199
		2200	# called after loading the header from an original map
1730	sub prepare_orig {	2201	sub prepare_orig {
1731	my ($self) = @_;	2202	my ($self) = @_;
1732		2203
1733	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1734	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1758		2229
1759	sub find;	2230	sub find;
1760	sub find {	2231	sub find {
1761	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1762		2233
		2234	cf::cede_to_tick;
		2235
1763	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1764		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2240
1767	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1770	or return;	2243	or return;
1771		2244
1772	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1773		2246
…		…
1775	or return;	2248	or return;
1776		2249
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1780	$map->reset;	2255	$map->reset;
1781	undef $guard;
1782	return find $path;	2256	return find $path;
1783	}	2257	}
1784		2258
1785	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1786	}	2260	}
1787	}	2261	}
1788		2262
1789	sub pre_load { }	2263	sub pre_load { }
1790	sub post_load { }	2264	#sub post_load { } # XS
1791		2265
1792	sub load {	2266	sub load {
1793	my ($self) = @_;	2267	my ($self) = @_;
1794		2268
1795	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1796		2270
1797	my $path = $self->{path};	2271	my $path = $self->{path};
1798		2272
1799	{	2273	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1801		2275
		2276	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1803
1804	$self->in_memory (cf::MAP_LOADING);
1805		2278
1806	$self->alloc;	2279	$self->alloc;
1807		2280
1808	$self->pre_load;	2281	$self->pre_load;
1809	Coro::cede;	2282	cf::cede_to_tick;
1810		2283
1811	$self->_load_objects ($self->{load_path}, 1)	2284	if (exists $self->{load_path}) {
		2285	my $f = new_from_file cf::object::thawer $self->{load_path};
		2286	$f->skip_block;
		2287	$self->_load_objects ($f)
1812	or return;	2288	or return;
1813		2289
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1815	if delete $self->{load_original};	2291	if delete $self->{load_original};
1816		2292
1817	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2294	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2297	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1822	}	2302	}
1823	}
1824		2303
1825	Coro::cede;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
		2309
		2310	$self->state (cf::MAP_INACTIVE);
		2311
		2312	cf::cede_to_tick;
1826	# now do the right thing for maps	2313	# now do the right thing for maps
1827	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2316	unless $self->difficulty;
1830	Coro::cede;	2317	cf::cede_to_tick;
1831		2318
1832	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2320	$self->decay_objects;
1834	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1835	$self->update_buttons;	2322	$self->update_buttons;
1836	Coro::cede;	2323	cf::cede_to_tick;
1837	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1838	Coro::cede;
1839	$self->activate;
1840	}	2325	}
1841		2326
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2327	$self->{last_save} = $cf::RUNTIME;
		2328	$self->last_access ($cf::RUNTIME);
1843	}	2329	}
1844		2330
1845	$self->post_load;	2331	$self->post_load;
1846	}
1847		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
1848	sub customise_for {	2339	sub customise_for {
1849	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1850		2341
1851	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2343	if $self->per_player;
…		…
1855	# if $self->per_party;	2346	# if $self->per_party;
1856		2347
1857	$self	2348	$self
1858	}	2349	}
1859		2350
1860	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {
1862	my ($map) = @_;
1863
1864	my @diag; # diagonal neighbours
1865
1866	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)
1868	or next;
1869	$neigh = find $neigh, $map
1870	or next;
1871	$neigh->load;
1872
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}
1876
1877	for (@diag) {
1878	my $neigh = find @$_
1879	or next;
1880	$neigh->load;
1881	}
1882	}
1883
1884	sub find_sync {	2351	sub find_sync {
1885	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1886		2353
1887	cf::sync_job { find $path, $origin }	2354	# it's a bug to call this from the main context
		2355	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2356	if $Coro::current == $Coro::main;
		2357
		2358	find $path, $origin
1888	}	2359	}
1889		2360
1890	sub do_load_sync {	2361	sub do_load_sync {
1891	my ($map) = @_;	2362	my ($map) = @_;
1892		2363
1893	cf::sync_job { $map->load };	2364	# it's a bug to call this from the main context
		2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2366	if $Coro::current == $Coro::main;
		2367
		2368	$map->load;
1894	}	2369	}
1895		2370
1896	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1898		2373
1899	sub find_async {	2374	sub find_async {
1900	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1901		2376
1902	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1903		2378
1904	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1906	}	2381	}
1907		2382
1908	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1909	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1910	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2390	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2391	$map->load if $v;
		2392	}
1915		2393
1916	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1917	}	2395	}
1918	}	2396	}
1919	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1920	};	2398	};
1921	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1922		2400
1923	()	2401	()
1924	}	2402	}
1925		2403
		2404	# common code, used by both ->save and ->swapout
1926	sub save {	2405	sub _save {
1927	my ($self) = @_;	2406	my ($self) = @_;
1928
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1930		2407
1931	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1932		2409
1933	return unless $self->dirty;	2410	return unless $self->dirty;
1934		2411
…		…
1940	return if $self->{deny_save};	2417	return if $self->{deny_save};
1941		2418
1942	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1943		2420
1944	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1946	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1947		2427
1948	if ($uniq) {	2428	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2431	} else {
1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1953	}	2433	}
1954	}	2434	}
1955		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1956	sub swap_out {	2444	sub swap_out {
1957	my ($self) = @_;	2445	my ($self) = @_;
1958		2446
1959	# save first because save cedes
1960	$self->save;
1961
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1964	return if $self->players;	2451	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};
1967		2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
1968	$self->clear;	2462	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2463	}
1971		2464
1972	sub reset_at {	2465	sub reset_at {
1973	my ($self) = @_;	2466	my ($self) = @_;
1974		2467
…		…
1992		2485
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2487
1995	return if $self->players;	2488	return if $self->players;
1996		2489
1997	warn "resetting map ", $self->path;	2490	cf::trace "resetting map ", $self->path, "\n";
1998		2491
1999	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
2000		2493
2001	# need to save uniques path	2494	# need to save uniques path
2002	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
2003	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
2004		2497
…		…
2006	if $uniq;	2499	if $uniq;
2007	}	2500	}
2008		2501
2009	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
2010		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2506	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2507
2015	$self->unlink_save;	2508	$self->unlink_save;
2016	$self->destroy;	2509	$self->destroy;
2017	}	2510	}
2018		2511
2019	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
2020		2513
2021	sub nuke {	2514	sub nuke {
2022	my ($self) = @_;	2515	my ($self) = @_;
2023		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
2024	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2025		2521
2026	$self->unlink_save;	2522	$self->unlink_save;
2027		2523
2028	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2029	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2529
2034	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
2035		2532
2036	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
2037	}	2534	}
2038		2535
2039	=item $maps = cf::map::tmp_maps	2536	=item $maps = cf::map::tmp_maps
…		…
2081		2578
2082	sub unique_maps() {	2579	sub unique_maps() {
2083	[	2580	[
2084	map {	2581	map {
2085	utf8::decode $_;	2582	utf8::decode $_;
2086	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2087	? normalise $_	2586	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2588	]
2091	}	2589	}
2092		2590
2093	package cf;	2591	=item cf::map::static_maps
		2592
		2593	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2594	file in the shared directory excluding F</styles> and F</editor>). May
		2595	block.
		2596
		2597	=cut
		2598
		2599	sub static_maps() {
		2600	my @dirs = "";
		2601	my @maps;
		2602
		2603	while (@dirs) {
		2604	my $dir = shift @dirs;
		2605
		2606	next if $dir eq "/styles" || $dir eq "/editor";
		2607
		2608	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2609	or return;
		2610
		2611	for (@$files) {
		2612	s/\.map$// or next;
		2613	utf8::decode $_;
		2614	push @maps, "$dir/$_";
		2615	}
		2616
		2617	push @dirs, map "$dir/$_", @$dirs;
		2618	}
		2619
		2620	\@maps
		2621	}
2094		2622
2095	=back	2623	=back
2096		2624
2097	=head3 cf::object	2625	=head3 cf::object
2098		2626
…		…
2102		2630
2103	=over 4	2631	=over 4
2104		2632
2105	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2106		2634
2107	Returns the inventory of the object _and_ their inventories, recursively.	2635	Returns the inventory of the object I<and> their inventories, recursively,
		2636	but I<not> the object itself.
2108		2637
2109	=cut	2638	=cut
2110		2639
2111	sub inv_recursive_;	2640	sub inv_recursive_;
2112	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2115		2644
2116	sub inv_recursive {	2645	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2118	}	2647	}
2119		2648
		2649	=item $ref = $ob->ref
		2650
		2651	Creates and returns a persistent reference to an object that can be stored as a string.
		2652
		2653	=item $ob = cf::object::deref ($refstring)
		2654
		2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2656	even if the object actually exists. May block.
		2657
		2658	=cut
		2659
		2660	sub deref {
		2661	my ($ref) = @_;
		2662
		2663	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2664	my ($uuid, $name) = ($1, $2);
		2665	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2666	or return;
		2667	$pl->ob->uuid eq $uuid
		2668	or return;
		2669
		2670	$pl->ob
		2671	} else {
		2672	warn "$ref: cannot resolve object reference\n";
		2673	undef
		2674	}
		2675	}
		2676
2120	package cf;	2677	package cf;
2121		2678
2122	=back	2679	=back
2123		2680
2124	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2687	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2131	can be C<undef>. Does the right thing when the player is currently in a	2688	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2133		2690
2134	=cut	2691	=cut
		2692
		2693	our $SAY_CHANNEL = {
		2694	id => "say",
		2695	title => "Map",
		2696	reply => "say ",
		2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2698	};
		2699
		2700	our $CHAT_CHANNEL = {
		2701	id => "chat",
		2702	title => "Chat",
		2703	reply => "chat ",
		2704	tooltip => "Player chat and shouts, global to the server.",
		2705	};
2135		2706
2136	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2708	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2709	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
2146		2717
2147	} else {	2718	} else {
2148	my $pl = $self->contr;	2719	my $pl = $self->contr;
2149		2720
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2721	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2724
2159	} else {	2725	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2728	}
2163	}	2729	}
		2730	}
		2731
		2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2733
		2734	=cut
		2735
		2736	sub cf::object::send_msg {
		2737	my $pl = shift->contr
		2738	or return;
		2739	$pl->send_msg (@_);
2164	}	2740	}
2165		2741
2166	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
2167		2743
2168	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
2169	(e.g. "command_wizcast").	2745	(e.g. "command_wizcast").
2170		2746
		2747	This is implemented by checking a config setting of C<may_access> where
		2748	C<access> is replaced by the access string. The following alternatives are
		2749	possible (and are tested in order):
		2750
		2751	=over 4
		2752
		2753	=item * Player is DM
		2754
		2755	The request will succeed.
		2756
		2757	=item * may_access is an array reference
		2758
		2759	If either the player nickname or UUID is in the array, the request will
		2760	succeed, otherwise it will fail.
		2761
		2762	=item * may_access is a true value
		2763
		2764	The request will succeed.
		2765
		2766	=item * may_access is missing or false
		2767
		2768	The request will fail.
		2769
		2770	=back
		2771
2171	=cut	2772	=cut
2172		2773
2173	sub cf::object::player::may {	2774	sub cf::object::player::may {
2174	my ($self, $access) = @_;	2775	my ($self, $access) = @_;
2175		2776
2176	$self->flag (cf::FLAG_WIZ) ||	2777	$self->flag (cf::FLAG_WIZ) ||
2177	(ref $cf::CFG{"may_$access"}	2778	(ref $cf::CFG{"may_$access"}
2178	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2779	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2179	: $cf::CFG{"may_$access"})	2780	: $cf::CFG{"may_$access"})
2180	}	2781	}
2181		2782
2182	=item $player_object->enter_link	2783	=item $player_object->enter_link
2183		2784
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2785	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2786
2186	The player should be reasonably safe there for short amounts of time. You	2787	The player should be reasonably safe there for short amounts of time (e.g.
2187	I<MUST> call C<leave_link> as soon as possible, though.	2788	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2789	though, as the player cannot control the character while it is on the link
		2790	map.
2188		2791
2189	Will never block.	2792	This method will never block, which is the whole reaosn for it's
		2793	existance: you can I<always> put a player onto the link map, which is the
		2794	only place to put objects that is guaranteed to exist.
		2795
		2796	A typical usage pattern is to call C<enter_link> synchronously from the
		2797	server, then start a new thread, do your blocking stuff there and then
		2798	call C<leave_link> from that thread.
2190		2799
2191	=item $player_object->leave_link ($map, $x, $y)	2800	=item $player_object->leave_link ($map, $x, $y)
2192		2801
2193	Moves the player out of the special C<{link}> map onto the specified	2802	Moves the player out of the special C<{link}> map onto the specified
2194	map. If the map is not valid (or omitted), the player will be moved back	2803	map. If the map is not valid (or omitted), the player will be moved back
…		…
2212	sub cf::object::player::enter_link {	2821	sub cf::object::player::enter_link {
2213	my ($self) = @_;	2822	my ($self) = @_;
2214		2823
2215	$self->deactivate_recursive;	2824	$self->deactivate_recursive;
2216		2825
		2826	++$self->{_link_recursion};
		2827
2217	return if UNIVERSAL::isa $self->map, "ext::map_link";	2828	return if UNIVERSAL::isa $self->map, "ext::map_link";
2218		2829
2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2830	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220	if $self->map && $self->map->{path} ne "{link}";	2831	if $self->map && $self->map->{path} ne "{link}";
2221		2832
2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2833	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2223	}	2834	}
2224		2835
2225	sub cf::object::player::leave_link {	2836	sub cf::object::player::leave_link {
2226	my ($self, $map, $x, $y) = @_;	2837	my ($self, $map, $x, $y) = @_;
2227		2838
…		…
2244	($x, $y) = (-1, -1)	2855	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2856	unless (defined $x) && (defined $y);
2246		2857
2247	# use -1 or undef as default coordinates, not 0, 0	2858	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2859	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2860	if $x <= 0 && $y <= 0;
2250		2861
2251	$map->load;	2862	$map->load;
2252	$map->load_diag;
2253		2863
2254	return unless $self->contr->active;	2864	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2865
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2866	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2867	if ($self->enter_map ($map, $x, $y)) {
2259	}	2868	# entering was successful
		2869	delete $self->{_link_recursion};
		2870	# only activate afterwards, to support waiting in hooks
		2871	$self->activate_recursive;
		2872	}
2260		2873
		2874	}
		2875
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2876	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2262		2877
2263	Moves the player to the given map-path and coordinates by first freezing	2878	Moves the player to the given map-path and coordinates by first freezing
2264	her, loading and preparing them map, calling the provided $check callback	2879	her, loading and preparing them map, calling the provided $check callback
2265	that has to return the map if sucecssful, and then unfreezes the player on	2880	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position.	2881	the new (success) or old (failed) map position. In either case, $done will
		2882	be called at the end of this process.
		2883
		2884	Note that $check will be called with a potentially non-loaded map, so if
		2885	it needs a loaded map it has to call C<< ->load >>.
2267		2886
2268	=cut	2887	=cut
2269		2888
2270	our $GOTOGEN;	2889	our $GOTOGEN;
2271		2890
2272	sub cf::object::player::goto {	2891	sub cf::object::player::goto {
2273	my ($self, $path, $x, $y, $check) = @_;	2892	my ($self, $path, $x, $y, $check, $done) = @_;
		2893
		2894	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2895	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2896	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2897	($path, $x, $y) = @$EMERGENCY_POSITION;
		2898	}
2274		2899
2275	# do generation counting so two concurrent goto's will be executed in-order	2900	# do generation counting so two concurrent goto's will be executed in-order
2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2901	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2277		2902
2278	$self->enter_link;	2903	$self->enter_link;
2279		2904
2280	(async {	2905	(async {
		2906	$Coro::current->{desc} = "player::goto $path $x $y";
		2907
		2908	# *tag paths override both path and x|y
		2909	if ($path =~ /^\*(.*)$/) {
		2910	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2911	my $ob = $obs[rand @obs];
		2912
		2913	# see if we actually can go there
		2914	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2915	$ob = $obs[rand @obs];
		2916	} else {
		2917	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2918	}
		2919	# else put us there anyways for now #d#
		2920
		2921	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2922	} else {
		2923	($path, $x, $y) = (undef, undef, undef);
		2924	}
		2925	}
		2926
2281	my $map = eval {	2927	my $map = eval {
2282	my $map = cf::map::find $path;	2928	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2283		2929
2284	if ($map) {	2930	if ($map) {
2285	$map = $map->customise_for ($self);	2931	$map = $map->customise_for ($self);
2286	$map = $check->($map) if $check && $map;	2932	$map = $check->($map, $x, $y, $self) if $check && $map;
2287	} else {	2933	} else {
2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2934	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2289	}	2935	}
2290		2936
2291	$map	2937	$map
2292	};	2938	};
2293		2939
…		…
2298		2944
2299	if ($gen == $self->{_goto_generation}) {	2945	if ($gen == $self->{_goto_generation}) {
2300	delete $self->{_goto_generation};	2946	delete $self->{_goto_generation};
2301	$self->leave_link ($map, $x, $y);	2947	$self->leave_link ($map, $x, $y);
2302	}	2948	}
		2949
		2950	$done->($self) if $done;
2303	})->prio (1);	2951	})->prio (1);
2304	}	2952	}
2305		2953
2306	=item $player_object->enter_exit ($exit_object)	2954	=item $player_object->enter_exit ($exit_object)
2307		2955
…		…
2327	}	2975	}
2328		2976
2329	sub prepare_random_map {	2977	sub prepare_random_map {
2330	my ($exit) = @_;	2978	my ($exit) = @_;
2331		2979
2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
2333
2334	# all this does is basically replace the /! path by	2980	# all this does is basically replace the /! path by
2335	# a new random map path (?random/...) with a seed	2981	# a new random map path (?random/...) with a seed
2336	# that depends on the exit object	2982	# that depends on the exit object
2337		2983
2338	my $rmp = parse_random_map_params $exit->msg;	2984	my $rmp = parse_random_map_params $exit->msg;
…		…
2340	if ($exit->map) {	2986	if ($exit->map) {
2341	$rmp->{region} = $exit->region->name;	2987	$rmp->{region} = $exit->region->name;
2342	$rmp->{origin_map} = $exit->map->path;	2988	$rmp->{origin_map} = $exit->map->path;
2343	$rmp->{origin_x} = $exit->x;	2989	$rmp->{origin_x} = $exit->x;
2344	$rmp->{origin_y} = $exit->y;	2990	$rmp->{origin_y} = $exit->y;
		2991
		2992	$exit->map->touch;
2345	}	2993	}
2346		2994
2347	$rmp->{random_seed} ||= $exit->random_seed;	2995	$rmp->{random_seed} ||= $exit->random_seed;
2348		2996
2349	my $data = cf::to_json $rmp;	2997	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2350	my $md5 = Digest::MD5::md5_hex $data;	2998	my $md5 = Digest::MD5::md5_hex $data;
2351	my $meta = "$RANDOMDIR/$md5.meta";	2999	my $meta = "$RANDOMDIR/$md5.meta";
2352		3000
2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3001	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2354	aio_write $fh, 0, (length $data), $data, 0;	3002	aio_write $fh, 0, (length $data), $data, 0;
2355	undef $fh;	3003	undef $fh;
2356	aio_rename "$meta~", $meta;	3004	aio_rename "$meta~", $meta;
2357		3005
		3006	my $slaying = "?random/$md5";
		3007
		3008	if ($exit->valid) {
2358	$exit->slaying ("?random/$md5");	3009	$exit->slaying ("?random/$md5");
2359	$exit->msg (undef);	3010	$exit->msg (undef);
		3011	}
2360	}	3012	}
2361	}	3013	}
2362		3014
2363	sub cf::object::player::enter_exit {	3015	sub cf::object::player::enter_exit {
2364	my ($self, $exit) = @_;	3016	my ($self, $exit) = @_;
2365		3017
2366	return unless $self->type == cf::PLAYER;	3018	return unless $self->type == cf::PLAYER;
2367		3019
2368	if ($exit->slaying eq "/!") {
2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
2370	# the problem is that $exit might not survive long enough
2371	# so it needs to be done right now, right here
2372	cf::sync_job { prepare_random_map $exit };
2373	}
2374
2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2376	my $hp = $exit->stats->hp;
2377	my $sp = $exit->stats->sp;
2378
2379	$self->enter_link;	3020	$self->enter_link;
2380		3021
2381	# if exit is damned, update players death & WoR home-position
2382	$self->contr->savebed ($slaying, $hp, $sp)
2383	if $exit->flag (FLAG_DAMNED);
2384
2385	(async {	3022	(async {
2386	$self->deactivate_recursive; # just to be sure	3023	$Coro::current->{desc} = "enter_exit";
		3024
2387	unless (eval {	3025	unless (eval {
		3026	$self->deactivate_recursive; # just to be sure
		3027
		3028	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3029	my $x = $exit->stats->hp;
		3030	my $y = $exit->stats->sp;
		3031
		3032	# special map handling
		3033	my $slaying = $exit->slaying;
		3034
		3035	# special map handling
		3036	if ($slaying eq "/!") {
		3037	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3038
		3039	prepare_random_map $exit
		3040	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3041
		3042	$map = $exit->slaying;
		3043
		3044	} elsif ($slaying eq '!up') {
		3045	$map = $exit->map->tile_path (cf::TILE_UP);
		3046	$x = $exit->x;
		3047	$y = $exit->y;
		3048
		3049	} elsif ($slaying eq '!down') {
		3050	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3051	$x = $exit->x;
		3052	$y = $exit->y;
		3053	}
		3054
2388	$self->goto ($slaying, $hp, $sp);	3055	$self->goto ($map, $x, $y);
2389		3056
		3057	# if exit is damned, update players death & WoR home-position
		3058	$self->contr->savebed ($map, $x, $y)
		3059	if $exit->flag (cf::FLAG_DAMNED);
		3060
2390	1;	3061	1
2391	}) {	3062	}) {
2392	$self->message ("Something went wrong deep within the crossfire server. "	3063	$self->message ("Something went wrong deep within the deliantra server. "
2393	. "I'll try to bring you back to the map you were before. "	3064	. "I'll try to bring you back to the map you were before. "
2394	. "Please report this to the dungeon master!",	3065	. "Please report this to the dungeon master!",
2395	cf::NDI_UNIQUE | cf::NDI_RED);	3066	cf::NDI_UNIQUE | cf::NDI_RED);
2396		3067
2397	warn "ERROR in enter_exit: $@";	3068	error "ERROR in enter_exit: $@";
2398	$self->leave_link;	3069	$self->leave_link;
2399	}	3070	}
2400	})->prio (1);	3071	})->prio (1);
2401	}	3072	}
2402		3073
2403	=head3 cf::client	3074	=head3 cf::client
2404		3075
2405	=over 4	3076	=over 4
2406		3077
2407	=item $client->send_drawinfo ($text, $flags)	3078	=item $client->send_big_packet ($pkt)
2408		3079
2409	Sends a drawinfo packet to the client. Circumvents output buffering so	3080	Like C<send_packet>, but tries to compress large packets, and fragments
2410	should not be used under normal circumstances.	3081	them as required.
2411		3082
2412	=cut	3083	=cut
2413		3084
		3085	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3086
2414	sub cf::client::send_drawinfo {	3087	sub cf::client::send_big_packet {
2415	my ($self, $text, $flags) = @_;	3088	my ($self, $pkt) = @_;
2416		3089
2417	utf8::encode $text;	3090	# try lzf for large packets
2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3091	$pkt = "lzf " . Compress::LZF::compress $pkt
2419	}	3092	if 1024 <= length $pkt and $self->{can_lzf};
2420		3093
		3094	# split very large packets
		3095	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3096	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3097	$pkt = "frag";
		3098	}
		3099
		3100	$self->send_packet ($pkt);
		3101	}
		3102
2421	=item $client->send_msg ($color, $type, $msg, [extra...])	3103	=item $client->send_msg ($channel, $msg, $color, [extra...])
2422		3104
2423	Send a drawinfo or msg packet to the client, formatting the msg for the	3105	Send a msg packet to the client, formatting the msg for the client if
2424	client if neccessary. C<$type> should be a string identifying the type of	3106	necessary. C<$type> should be a string identifying the type of the
2425	the message, with C<log> being the default. If C<$color> is negative, suppress	3107	message, with C<log> being the default. If C<$color> is negative, suppress
2426	the message unless the client supports the msg packet.	3108	the message unless the client supports the msg packet.
2427		3109
2428	=cut	3110	=cut
2429		3111
		3112	# non-persistent channels (usually the info channel)
		3113	our %CHANNEL = (
		3114	"c/motd" => {
		3115	id => "infobox",
		3116	title => "MOTD",
		3117	reply => undef,
		3118	tooltip => "The message of the day",
		3119	},
		3120	"c/identify" => {
		3121	id => "infobox",
		3122	title => "Identify",
		3123	reply => undef,
		3124	tooltip => "Items recently identified",
		3125	},
		3126	"c/examine" => {
		3127	id => "infobox",
		3128	title => "Examine",
		3129	reply => undef,
		3130	tooltip => "Signs and other items you examined",
		3131	},
		3132	"c/shopinfo" => {
		3133	id => "infobox",
		3134	title => "Shop Info",
		3135	reply => undef,
		3136	tooltip => "What your bargaining skill tells you about the shop",
		3137	},
		3138	"c/book" => {
		3139	id => "infobox",
		3140	title => "Book",
		3141	reply => undef,
		3142	tooltip => "The contents of a note or book",
		3143	},
		3144	"c/lookat" => {
		3145	id => "infobox",
		3146	title => "Look",
		3147	reply => undef,
		3148	tooltip => "What you saw there",
		3149	},
		3150	"c/who" => {
		3151	id => "infobox",
		3152	title => "Players",
		3153	reply => undef,
		3154	tooltip => "Shows players who are currently online",
		3155	},
		3156	"c/body" => {
		3157	id => "infobox",
		3158	title => "Body Parts",
		3159	reply => undef,
		3160	tooltip => "Shows which body parts you posess and are available",
		3161	},
		3162	"c/statistics" => {
		3163	id => "infobox",
		3164	title => "Statistics",
		3165	reply => undef,
		3166	tooltip => "Shows your primary statistics",
		3167	},
		3168	"c/skills" => {
		3169	id => "infobox",
		3170	title => "Skills",
		3171	reply => undef,
		3172	tooltip => "Shows your experience per skill and item power",
		3173	},
		3174	"c/shopitems" => {
		3175	id => "infobox",
		3176	title => "Shop Items",
		3177	reply => undef,
		3178	tooltip => "Shows the items currently for sale in this shop",
		3179	},
		3180	"c/resistances" => {
		3181	id => "infobox",
		3182	title => "Resistances",
		3183	reply => undef,
		3184	tooltip => "Shows your resistances",
		3185	},
		3186	"c/pets" => {
		3187	id => "infobox",
		3188	title => "Pets",
		3189	reply => undef,
		3190	tooltip => "Shows information abotu your pets/a specific pet",
		3191	},
		3192	"c/perceiveself" => {
		3193	id => "infobox",
		3194	title => "Perceive Self",
		3195	reply => undef,
		3196	tooltip => "You gained detailed knowledge about yourself",
		3197	},
		3198	"c/uptime" => {
		3199	id => "infobox",
		3200	title => "Uptime",
		3201	reply => undef,
		3202	tooltip => "How long the server has been running since last restart",
		3203	},
		3204	"c/mapinfo" => {
		3205	id => "infobox",
		3206	title => "Map Info",
		3207	reply => undef,
		3208	tooltip => "Information related to the maps",
		3209	},
		3210	"c/party" => {
		3211	id => "party",
		3212	title => "Party",
		3213	reply => "gsay ",
		3214	tooltip => "Messages and chat related to your party",
		3215	},
		3216	"c/death" => {
		3217	id => "death",
		3218	title => "Death",
		3219	reply => undef,
		3220	tooltip => "Reason for and more info about your most recent death",
		3221	},
		3222	"c/fatal" => {
		3223	id => "fatal",
		3224	title => "Fatal Error",
		3225	reply => undef,
		3226	tooltip => "Reason for the server disconnect",
		3227	},
		3228	"c/say" => $SAY_CHANNEL,
		3229	"c/chat" => $CHAT_CHANNEL,
		3230	);
		3231
2430	sub cf::client::send_msg {	3232	sub cf::client::send_msg {
2431	my ($self, $color, $type, $msg, @extra) = @_;	3233	my ($self, $channel, $msg, $color, @extra) = @_;
2432		3234
2433	$msg = $self->pl->expand_cfpod ($msg);	3235	$msg = $self->pl->expand_cfpod ($msg)
		3236	unless $color & cf::NDI_VERBATIM;
		3237
		3238	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3239
		3240	# check predefined channels, for the benefit of C
		3241	if ($CHANNEL{$channel}) {
		3242	$channel = $CHANNEL{$channel};
		3243
		3244	$self->ext_msg (channel_info => $channel);
		3245	$channel = $channel->{id};
		3246
		3247	} elsif (ref $channel) {
		3248	# send meta info to client, if not yet sent
		3249	unless (exists $self->{channel}{$channel->{id}}) {
		3250	$self->{channel}{$channel->{id}} = $channel;
		3251	$self->ext_msg (channel_info => $channel);
		3252	}
		3253
		3254	$channel = $channel->{id};
		3255	}
2434		3256
2435	return unless @extra || length $msg;	3257	return unless @extra || length $msg;
2436		3258
2437	if ($self->can_msg) {	3259	# default colour, mask it out
2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3260	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2439	} else {	3261	if $color & cf::NDI_DEF;
2440	# replace some tags by gcfclient-compatible ones
2441	for ($msg) {
2442	1 while
2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2448	}
2449		3262
2450	if ($color >= 0) {	3263	my $pkt = "msg "
2451	if (0 && $msg =~ /\[/) {	3264	. $self->{json_coder}->encode (
2452	$self->send_packet ("drawextinfo $color 4 0 $msg")	3265	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2453	} else {	3266	);
2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2455	$self->send_packet ("drawinfo $color $msg")
2456	}
2457	}
2458	}
2459	}
2460		3267
		3268	$self->send_big_packet ($pkt);
		3269	}
		3270
2461	=item $client->ext_event ($type, %msg)	3271	=item $client->ext_msg ($type, @msg)
2462		3272
2463	Sends an ext event to the client.	3273	Sends an ext event to the client.
2464		3274
2465	=cut	3275	=cut
2466		3276
2467	sub cf::client::ext_event($$%) {	3277	sub cf::client::ext_msg($$@) {
2468	my ($self, $type, %msg) = @_;	3278	my ($self, $type, @msg) = @_;
2469		3279
2470	$msg{msgtype} = "event_$type";
2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3280	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2472	}	3281	}
2473		3282
2474	=item $success = $client->query ($flags, "text", \&cb)	3283	=item $success = $client->query ($flags, "text", \&cb)
2475		3284
2476	Queues a query to the client, calling the given callback with	3285	Queues a query to the client, calling the given callback with
…		…
2496		3305
2497	$self->send_packet ($self->{query_queue}[0][0])	3306	$self->send_packet ($self->{query_queue}[0][0])
2498	if @{ $self->{query_queue} } == 1;	3307	if @{ $self->{query_queue} } == 1;
2499		3308
2500	1	3309	1
		3310	}
		3311
		3312	=item $client->update_command_faces
		3313
		3314	=cut
		3315
		3316	our %COMMAND_FACE;
		3317
		3318	sub cf::client::update_command_faces {
		3319	my ($self) = @_;
		3320
		3321	my @faces = grep $_,
		3322	$COMMAND_FACE{preferred},
		3323	$COMMAND_FACE{standard},
		3324	$COMMAND_FACE{skill},
		3325	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3326	$COMMAND_FACE{emote},
		3327	;
		3328
		3329	$self->send_face ($_)
		3330	for @faces;
		3331	$self->flush_fx;
		3332
		3333	$self->ext_msg (command_list => @faces);
		3334	}
		3335
		3336	=item cf::client::set_command_face $type, $commands
		3337
		3338	=cut
		3339
		3340	sub cf::client::set_command_face {
		3341	my ($type, $list) = @_;
		3342
		3343	my $idx = &cf::face::set ( #d# ugly forward reference
		3344	"command_list/$type" => cf::FT_RSRC,
		3345	JSON::XS->new->utf8->encode ([ sort @$list ])
		3346	);
		3347
		3348	$COMMAND_FACE{$type} = $idx;
2501	}	3349	}
2502		3350
2503	cf::client->attach (	3351	cf::client->attach (
2504	on_connect => sub {	3352	on_connect => sub {
2505	my ($ns) = @_;	3353	my ($ns) = @_;
…		…
2531	my ($ns, $buf) = @_;	3379	my ($ns, $buf) = @_;
2532		3380
2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3381	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2534		3382
2535	if (ref $msg) {	3383	if (ref $msg) {
		3384	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3385
2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3386	if (my $cb = $EXTIACMD{$type}) {
2537	if (my %reply = $cb->($ns, $msg)) {	3387	$cb->(
2538	$reply{msgid} = $msg->{msgid};	3388	$ns,
2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));	3389	sub {
		3390	$ns->ext_msg ("reply-$reply", @_)
		3391	if $reply;
		3392	},
		3393	@payload
		3394	);
		3395	} else {
		3396	my @reply;
		3397
		3398	if (my $cb = $EXTICMD{$type}) {
		3399	@reply = $cb->($ns, @payload);
2540	}	3400	}
		3401
		3402	$ns->ext_msg ("reply-$reply", @reply)
		3403	if $reply;
2541	}	3404	}
2542	} else {	3405	} else {
2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3406	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2544	}	3407	}
2545		3408
2546	cf::override;	3409	cf::override;
2547	},	3410	},
2548	);	3411	);
…		…
2568		3431
2569	$coro	3432	$coro
2570	}	3433	}
2571		3434
2572	cf::client->attach (	3435	cf::client->attach (
2573	on_destroy => sub {	3436	on_client_destroy => sub {
2574	my ($ns) = @_;	3437	my ($ns) = @_;
2575		3438
2576	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3439	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2577	},	3440	},
2578	);	3441	);
…		…
2593	our $safe = new Safe "safe";	3456	our $safe = new Safe "safe";
2594	our $safe_hole = new Safe::Hole;	3457	our $safe_hole = new Safe::Hole;
2595		3458
2596	$SIG{FPE} = 'IGNORE';	3459	$SIG{FPE} = 'IGNORE';
2597		3460
2598	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3461	$safe->permit_only (Opcode::opset qw(
		3462	:base_core :base_mem :base_orig :base_math :base_loop
		3463	grepstart grepwhile mapstart mapwhile
		3464	sort time
		3465	));
2599		3466
2600	# here we export the classes and methods available to script code	3467	# here we export the classes and methods available to script code
2601		3468
2602	=pod	3469	=pod
2603		3470
2604	The following functions and methods are available within a safe environment:	3471	The following functions and methods are available within a safe environment:
2605		3472
2606	cf::object	3473	cf::object
2607	contr pay_amount pay_player map x y force_find force_add	3474	contr pay_amount pay_player map x y force_find force_add destroy
2608	insert remove	3475	insert remove name archname title slaying race decrease split
		3476	value
2609		3477
2610	cf::object::player	3478	cf::object::player
2611	player	3479	player
2612		3480
2613	cf::player	3481	cf::player
…		…
2618		3486
2619	=cut	3487	=cut
2620		3488
2621	for (	3489	for (
2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3490	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2623	insert remove)],	3491	insert remove inv nrof name archname title slaying race
		3492	decrease split destroy change_exp value msg lore send_msg)],
2624	["cf::object::player" => qw(player)],	3493	["cf::object::player" => qw(player)],
2625	["cf::player" => qw(peaceful)],	3494	["cf::player" => qw(peaceful send_msg)],
2626	["cf::map" => qw(trigger)],	3495	["cf::map" => qw(trigger)],
2627	) {	3496	) {
2628	no strict 'refs';
2629	my ($pkg, @funs) = @$_;	3497	my ($pkg, @funs) = @$_;
2630	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3498	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2631	for @funs;	3499	for @funs;
2632	}	3500	}
2633		3501
…		…
2648		3516
2649	my $qcode = $code;	3517	my $qcode = $code;
2650	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3518	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2651	$qcode =~ s/\n/\\n/g;	3519	$qcode =~ s/\n/\\n/g;
2652		3520
		3521	%vars = (_dummy => 0) unless %vars;
		3522
		3523	my @res;
2653	local $_;	3524	local $_;
2654	local @safe::cf::_safe_eval_args = values %vars;
2655		3525
2656	my $eval =	3526	my $eval =
2657	"do {\n"	3527	"do {\n"
2658	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3528	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2659	. "#line 0 \"{$qcode}\"\n"	3529	. "#line 0 \"{$qcode}\"\n"
2660	. $code	3530	. $code
2661	. "\n}"	3531	. "\n}"
2662	;	3532	;
2663		3533
		3534	if ($CFG{safe_eval}) {
2664	sub_generation_inc;	3535	sub_generation_inc;
		3536	local @safe::cf::_safe_eval_args = values %vars;
2665	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3537	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2666	sub_generation_inc;	3538	sub_generation_inc;
		3539	} else {
		3540	local @cf::_safe_eval_args = values %vars;
		3541	@res = wantarray ? eval eval : scalar eval $eval;
		3542	}
2667		3543
2668	if ($@) {	3544	if ($@) {
2669	warn "$@";	3545	warn "$@",
2670	warn "while executing safe code '$code'\n";	3546	"while executing safe code '$code'\n",
2671	warn "with arguments " . (join " ", %vars) . "\n";	3547	"with arguments " . (join " ", %vars) . "\n";
2672	}	3548	}
2673		3549
2674	wantarray ? @res : $res[0]	3550	wantarray ? @res : $res[0]
2675	}	3551	}
2676		3552
…		…
2690	=cut	3566	=cut
2691		3567
2692	sub register_script_function {	3568	sub register_script_function {
2693	my ($fun, $cb) = @_;	3569	my ($fun, $cb) = @_;
2694		3570
2695	no strict 'refs';	3571	$fun = "safe::$fun" if $CFG{safe_eval};
2696	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3572	*$fun = $safe_hole->wrap ($cb);
2697	}	3573	}
2698		3574
2699	=back	3575	=back
2700		3576
2701	=cut	3577	=cut
2702		3578
2703	#############################################################################	3579	#############################################################################
2704	# the server's init and main functions	3580	# the server's init and main functions
2705		3581
		3582	{
		3583	package cf::face;
		3584
		3585	our %HASH; # hash => idx
		3586	our @DATA; # dynamically-created facedata, only faceste 0 used
		3587	our @FOFS; # file offset, if > 0
		3588	our @SIZE; # size of face, in octets
		3589	our @META; # meta hash of face, if any
		3590	our $DATAFH; # facedata filehandle
		3591
		3592	# internal api, not finalised
		3593	sub set {
		3594	my ($name, $type, $data) = @_;
		3595
		3596	my $idx = cf::face::find $name;
		3597
		3598	if ($idx) {
		3599	delete $HASH{cf::face::get_csum $idx};
		3600	} else {
		3601	$idx = cf::face::alloc $name;
		3602	}
		3603
		3604	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3605
		3606	cf::face::set_type $idx, $type;
		3607	cf::face::set_csum $idx, 0, $hash;
		3608
		3609	# we need to destroy the SV itself, not just modify it, as a running ix
		3610	# might hold a reference to it: "delete" achieves that.
		3611	delete $FOFS[0][$idx];
		3612	delete $DATA[0][$idx];
		3613	$DATA[0][$idx] = $data;
		3614	$SIZE[0][$idx] = length $data;
		3615	delete $META[$idx];
		3616	$HASH{$hash} = $idx;#d#
		3617
		3618	$idx
		3619	}
		3620
		3621	sub _get_data($$$) {
		3622	my ($idx, $set, $cb) = @_;
		3623
		3624	if (defined $DATA[$set][$idx]) {
		3625	$cb->($DATA[$set][$idx]);
		3626	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3627	my $size = $SIZE[$set][$idx];
		3628	my $buf;
		3629	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3630	if ($_[0] == $size) {
		3631	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3632	$cb->($buf);
		3633	} else {
		3634	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3635	}
		3636	};
		3637	} else {
		3638	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3639	}
		3640	}
		3641
		3642	# rather ineffient
		3643	sub cf::face::get_data($;$) {
		3644	my ($idx, $set) = @_;
		3645
		3646	_get_data $idx, $set, Coro::rouse_cb;
		3647	Coro::rouse_wait
		3648	}
		3649
		3650	sub cf::face::ix {
		3651	my ($ns, $set, $idx, $pri) = @_;
		3652
		3653	_get_data $idx, $set, sub {
		3654	$ns->ix_send ($idx, $pri, $_[0]);
		3655	};
		3656	}
		3657	}
		3658
2706	sub load_facedata($) {	3659	sub load_facedata($) {
2707	my ($path) = @_;	3660	my ($path) = @_;
2708		3661
		3662	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3663
2709	warn "loading facedata from $path\n";	3664	trace "loading facedata from $path\n";
2710		3665
2711	my $facedata;	3666	my $facedata = decode_storable load_file "$path/faceinfo";
2712	0 < aio_load $path, $facedata
2713	or die "$path: $!";
2714
2715	$facedata = Coro::Storable::thaw $facedata;
2716		3667
2717	$facedata->{version} == 2	3668	$facedata->{version} == 2
2718	or cf::cleanup "$path: version mismatch, cannot proceed.";	3669	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3670
		3671	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3672	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3673
		3674	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3675
		3676	# BEGIN ATOMIC
		3677	# from here on, everything must be atomic - no thread switch allowed
		3678	my $t1 = EV::time;
2719		3679
2720	{	3680	{
2721	my $faces = $facedata->{faceinfo};	3681	my $faces = $facedata->{faceinfo};
2722		3682
2723	while (my ($face, $info) = each %$faces) {	3683	for my $face (sort keys %$faces) {
		3684	my $info = $faces->{$face};
2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3685	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3686
2725	cf::face::set_visibility $idx, $info->{visibility};	3687	cf::face::set_visibility $idx, $info->{visibility};
2726	cf::face::set_magicmap $idx, $info->{magicmap};	3688	cf::face::set_magicmap $idx, $info->{magicmap};
2727	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3689	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2728	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3690	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
2729		3691	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
2730	cf::cede_to_tick;	3692	$cf::face::HASH{$info->{hash64}} = $idx;
		3693	delete $cf::face::META[$idx];
2731	}	3694	}
2732		3695
2733	while (my ($face, $info) = each %$faces) {	3696	while (my ($face, $info) = each %$faces) {
2734	next unless $info->{smooth};	3697	next unless $info->{smooth};
		3698
2735	my $idx = cf::face::find $face	3699	my $idx = cf::face::find $face
2736	or next;	3700	or next;
		3701
2737	if (my $smooth = cf::face::find $info->{smooth}) {	3702	if (my $smooth = cf::face::find $info->{smooth}) {
2738	cf::face::set_smooth $idx, $smooth;	3703	cf::face::set_smooth $idx, $smooth;
2739	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3704	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2740	} else {	3705	} else {
2741	warn "smooth face '$info->{smooth}' not found for face '$face'";	3706	error "smooth face '$info->{smooth}' not found for face '$face'";
2742	}	3707	}
2743
2744	cf::cede_to_tick;
2745	}	3708	}
2746	}	3709	}
2747		3710
2748	{	3711	{
2749	my $anims = $facedata->{animinfo};	3712	my $anims = $facedata->{animinfo};
2750		3713
2751	while (my ($anim, $info) = each %$anims) {	3714	while (my ($anim, $info) = each %$anims) {
2752	cf::anim::set $anim, $info->{frames}, $info->{facings};	3715	cf::anim::set $anim, $info->{frames}, $info->{facings};
2753	cf::cede_to_tick;
2754	}	3716	}
2755		3717
2756	cf::anim::invalidate_all; # d'oh	3718	cf::anim::invalidate_all; # d'oh
2757	}	3719	}
2758		3720
2759	{	3721	{
2760	# TODO: for gcfclient pleasure, we should give resources
2761	# that gcfclient doesn't grok a >10000 face index.
2762	my $res = $facedata->{resource};	3722	my $res = $facedata->{resource};
2763	my $enc = JSON::XS->new->utf8->canonical;
2764		3723
2765	while (my ($name, $info) = each %$res) {	3724	while (my ($name, $info) = each %$res) {
2766	my $meta = $enc->encode ({	3725	if (defined (my $type = $info->{type})) {
2767	name => $name,	3726	# TODO: different hash - must free and use new index, or cache ixface data queue
2768	type => $info->{type},
2769	copyright => $info->{copyright},
2770	});
2771	my $data = pack "(w/a*)*", $meta, $info->{data};
2772	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2773
2774	use Data::Dumper; warn Dumper substr $data, 0, 100;#d#
2775
2776	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3727	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3728
2777	cf::face::set_type $idx, 1;	3729	cf::face::set_type $idx, $type;
2778	cf::face::set_data $idx, 0, $data, $chk;	3730	cf::face::set_csum $idx, 0, $info->{hash};
2779		3731	$cf::face::SIZE[0][$idx] = $info->{size};
2780	# TODO	3732	$cf::face::FOFS[0][$idx] = $info->{fofs};
2781	cf::cede_to_tick;	3733	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3734	$cf::face::HASH{$info->{hash}} = $idx;
		3735	} else {
		3736	# $RESOURCE{$name} = $info; # unused
2782	}	3737	}
		3738	}
2783	}	3739	}
		3740
		3741	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3742
		3743	# HACK to clear player env face cache, we need some signal framework
		3744	# for this (global event?)
		3745	%ext::player_env::MUSIC_FACE_CACHE = ();
		3746
		3747	# END ATOMIC
		3748
		3749	cf::debug "facedata atomic update time ", EV::time - $t1;
		3750
		3751	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3752
		3753	aio_close $fh if $fh; # close old facedata
2784		3754
2785	1	3755	1
2786	}	3756	}
2787		3757
		3758	register_exticmd fx_want => sub {
		3759	my ($ns, $want) = @_;
		3760
		3761	while (my ($k, $v) = each %$want) {
		3762	$ns->fx_want ($k, $v);
		3763	}
		3764	};
		3765
		3766	sub load_resource_file($) {
		3767	my $guard = lock_acquire "load_resource_file";
		3768
		3769	my $status = load_resource_file_ $_[0];
		3770	get_slot 0.1, 100;
		3771	cf::arch::commit_load;
		3772
		3773	$status
		3774	}
		3775
		3776	sub reload_exp_table {
		3777	_reload_exp_table;
		3778
		3779	cf::face::set
		3780	"res/exp_table" => FT_RSRC,
		3781	JSON::XS->new->utf8->canonical->encode (
		3782	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3783	);
		3784	}
		3785
		3786	sub reload_materials {
		3787	_reload_materials;
		3788	}
		3789
2788	sub reload_regions {	3790	sub reload_regions {
		3791	# HACK to clear player env face cache, we need some signal framework
		3792	# for this (global event?)
		3793	%ext::player_env::MUSIC_FACE_CACHE = ();
		3794
2789	load_resource_file "$MAPDIR/regions"	3795	load_resource_file "$MAPDIR/regions"
2790	or die "unable to load regions file\n";	3796	or die "unable to load regions file\n";
		3797
		3798	for (cf::region::list) {
		3799	$_->{match} = qr/$_->{match}/
		3800	if exists $_->{match};
		3801	}
2791	}	3802	}
2792		3803
2793	sub reload_facedata {	3804	sub reload_facedata {
2794	load_facedata "$DATADIR/facedata"	3805	load_facedata $DATADIR
2795	or die "unable to load facedata\n";	3806	or die "unable to load facedata\n";
2796	}	3807	}
2797		3808
2798	sub reload_archetypes {	3809	sub reload_archetypes {
2799	load_resource_file "$DATADIR/archetypes"	3810	load_resource_file "$DATADIR/archetypes"
2800	or die "unable to load archetypes\n";	3811	or die "unable to load archetypes\n";
2801	#d# NEED to laod twice to resolve forward references	3812
2802	# this really needs to be done in an extra post-pass	3813	cf::face::set
2803	# (which needs to be synchronous, so solve it differently)	3814	"res/skill_info" => FT_RSRC,
2804	load_resource_file "$DATADIR/archetypes"	3815	JSON::XS->new->utf8->canonical->encode (
2805	or die "unable to load archetypes\n";	3816	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3817	);
		3818
		3819	cf::face::set
		3820	"res/spell_paths" => FT_RSRC,
		3821	JSON::XS->new->utf8->canonical->encode (
		3822	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3823	);
		3824
		3825	# command completion
		3826	my @commands;
		3827
		3828	for (0..cf::arch::skillvec_size - 1) {
		3829	my $skill = cf::arch::skillvec $_;
		3830	my $name = $skill->name;
		3831	my $flags = cf::skill_flags $skill->subtype;
		3832
		3833	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3834	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3835	}
		3836
		3837	cf::client::set_command_face skill => \@commands;
2806	}	3838	}
2807		3839
2808	sub reload_treasures {	3840	sub reload_treasures {
2809	load_resource_file "$DATADIR/treasures"	3841	load_resource_file "$DATADIR/treasures"
2810	or die "unable to load treasurelists\n";	3842	or die "unable to load treasurelists\n";
2811	}	3843	}
2812		3844
		3845	sub reload_sound {
		3846	trace "loading sound config from $DATADIR/sound\n";
		3847
		3848	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3849
		3850	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3851	my $sound = $soundconf->{compat}[$_]
		3852	or next;
		3853
		3854	my $face = cf::face::find "sound/$sound->[1]";
		3855	cf::sound::set $sound->[0] => $face;
		3856	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3857	}
		3858
		3859	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3860	my $face = cf::face::find "sound/$v";
		3861	cf::sound::set $k => $face;
		3862	}
		3863	}
		3864
2813	sub reload_resources {	3865	sub reload_resources {
2814	warn "reloading resource files...\n";	3866	trace "reloading resource files...\n";
2815		3867
		3868	reload_materials;
		3869	reload_facedata;
		3870	reload_exp_table;
		3871	reload_sound;
		3872	reload_archetypes;
2816	reload_regions;	3873	reload_regions;
2817	reload_facedata;
2818	#reload_archetypes;#d#
2819	reload_archetypes;
2820	reload_treasures;	3874	reload_treasures;
2821		3875
2822	warn "finished reloading resource files\n";	3876	trace "finished reloading resource files\n";
2823	}	3877	}
2824		3878
2825	sub init {	3879	sub reload_config {
2826	reload_resources;	3880	trace "reloading config file...\n";
2827	}
2828		3881
2829	sub cfg_load {	3882	my $config = load_file "$CONFDIR/config";
2830	open my $fh, "<:utf8", "$CONFDIR/config"	3883	utf8::decode $config;
2831	or return;	3884	*CFG = decode_yaml $config;
2832		3885
2833	local $/;
2834	*CFG = YAML::Syck::Load <$fh>;
2835
2836	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3886	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2837		3887
2838	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3888	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2839	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3889	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2840		3890
2841	if (exists $CFG{mlockall}) {	3891	if (exists $CFG{mlockall}) {
…		…
2845	};	3895	};
2846	warn $@ if $@;	3896	warn $@ if $@;
2847	}	3897	}
2848	}	3898	}
2849		3899
		3900	sub pidfile() {
		3901	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3902	or die "$PIDFILE: $!";
		3903	flock $fh, &Fcntl::LOCK_EX
		3904	or die "$PIDFILE: flock: $!";
		3905	$fh
		3906	}
		3907
		3908	# make sure only one server instance is running at any one time
		3909	sub atomic {
		3910	my $fh = pidfile;
		3911
		3912	my $pid = <$fh>;
		3913	kill 9, $pid if $pid > 0;
		3914
		3915	seek $fh, 0, 0;
		3916	print $fh $$;
		3917	}
		3918
		3919	sub main_loop {
		3920	trace "EV::run starting\n";
		3921	if (1) {
		3922	EV::run;
		3923	}
		3924	trace "EV::run returned\n";
		3925	goto &main_loop unless $REALLY_UNLOOP;
		3926	}
		3927
2850	sub main {	3928	sub main {
		3929	cf::init_globals; # initialise logging
		3930
		3931	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3932	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3933	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3934	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3935
		3936	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3937
2851	# we must not ever block the main coroutine	3938	# we must not ever block the main coroutine
2852	local $Coro::idle = sub {	3939	$Coro::idle = sub {
2853	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3940	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2854	(async {	3941	(async {
2855	Event::one_event;	3942	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3943	EV::run EV::RUN_ONESHOT;
2856	})->prio (Coro::PRIO_MAX);	3944	})->prio (Coro::PRIO_MAX);
2857	};	3945	};
2858		3946
2859	cfg_load;	3947	evthread_start IO::AIO::poll_fileno;
		3948
		3949	cf::sync_job {
		3950	cf::incloader::init ();
		3951
2860	db_init;	3952	db_init;
		3953
		3954	cf::init_anim;
		3955	cf::init_attackmess;
		3956	cf::init_dynamic;
		3957
		3958	cf::load_settings;
		3959
		3960	reload_resources;
		3961	reload_config;
		3962
		3963	cf::init_uuid;
		3964	cf::init_signals;
		3965	cf::init_skills;
		3966
		3967	cf::init_beforeplay;
		3968
		3969	atomic;
		3970
2861	load_extensions;	3971	load_extensions;
2862		3972
2863	$TICK_WATCHER->start;	3973	utime time, time, $RUNTIMEFILE;
2864	Event::loop;	3974
		3975	# no (long-running) fork's whatsoever before this point(!)
		3976	use POSIX ();
		3977	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3978
		3979	cf::_post_init 0;
		3980	};
		3981
		3982	cf::object::thawer::errors_are_fatal 0;
		3983	info "parse errors in files are no longer fatal from this point on.\n";
		3984
		3985	AE::postpone {
		3986	undef &main; # free gobs of memory :)
		3987	};
		3988
		3989	goto &main_loop;
2865	}	3990	}
2866		3991
2867	#############################################################################	3992	#############################################################################
2868	# initialisation and cleanup	3993	# initialisation and cleanup
2869		3994
2870	# install some emergency cleanup handlers	3995	# install some emergency cleanup handlers
2871	BEGIN {	3996	BEGIN {
		3997	our %SIGWATCHER = ();
2872	for my $signal (qw(INT HUP TERM)) {	3998	for my $signal (qw(INT HUP TERM)) {
2873	Event->signal (	3999	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2874	reentrant => 0,
2875	data => WF_AUTOCANCEL,
2876	signal => $signal,
2877	prio => 0,
2878	cb => sub {
2879	cf::cleanup "SIG$signal";	4000	cf::cleanup "SIG$signal";
2880	},
2881	);	4001	};
2882	}	4002	}
2883	}	4003	}
2884		4004
2885	sub write_runtime {	4005	sub write_runtime_sync {
2886	my $runtime = "$LOCALDIR/runtime";	4006	my $t0 = AE::time;
2887		4007
2888	# first touch the runtime file to show we are still running:	4008	# first touch the runtime file to show we are still running:
2889	# the fsync below can take a very very long time.	4009	# the fsync below can take a very very long time.
2890		4010
2891	IO::AIO::aio_utime $runtime, undef, undef;	4011	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2892		4012
2893	my $guard = cf::lock_acquire "write_runtime";	4013	my $guard = cf::lock_acquire "write_runtime";
2894		4014
2895	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4015	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2896	or return;	4016	or return;
2897		4017
2898	my $value = $cf::RUNTIME + 90 + 10;	4018	my $value = $cf::RUNTIME + 90 + 10;
2899	# 10 is the runtime save interval, for a monotonic clock	4019	# 10 is the runtime save interval, for a monotonic clock
2900	# 60 allows for the watchdog to kill the server.	4020	# 60 allows for the watchdog to kill the server.
…		…
2910	aio_utime $fh, undef, undef;	4030	aio_utime $fh, undef, undef;
2911		4031
2912	close $fh	4032	close $fh
2913	or return;	4033	or return;
2914		4034
2915	aio_rename "$runtime~", $runtime	4035	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2916	and return;	4036	and return;
2917		4037
2918	warn "runtime file written.\n";	4038	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2919		4039
2920	1	4040	1
		4041	}
		4042
		4043	our $uuid_lock;
		4044	our $uuid_skip;
		4045
		4046	sub write_uuid_sync($) {
		4047	$uuid_skip ||= $_[0];
		4048
		4049	return if $uuid_lock;
		4050	local $uuid_lock = 1;
		4051
		4052	my $uuid = "$LOCALDIR/uuid";
		4053
		4054	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4055	or return;
		4056
		4057	my $value = uuid_seq uuid_cur;
		4058
		4059	unless ($value) {
		4060	info "cowardly refusing to write zero uuid value!\n";
		4061	return;
		4062	}
		4063
		4064	my $value = uuid_str $value + $uuid_skip;
		4065	$uuid_skip = 0;
		4066
		4067	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4068	and return;
		4069
		4070	# always fsync - this file is important
		4071	aio_fsync $fh
		4072	and return;
		4073
		4074	close $fh
		4075	or return;
		4076
		4077	aio_rename "$uuid~", $uuid
		4078	and return;
		4079
		4080	trace "uuid file written ($value).\n";
		4081
		4082	1
		4083
		4084	}
		4085
		4086	sub write_uuid($$) {
		4087	my ($skip, $sync) = @_;
		4088
		4089	$sync ? write_uuid_sync $skip
		4090	: async { write_uuid_sync $skip };
2921	}	4091	}
2922		4092
2923	sub emergency_save() {	4093	sub emergency_save() {
2924	my $freeze_guard = cf::freeze_mainloop;	4094	my $freeze_guard = cf::freeze_mainloop;
2925		4095
2926	warn "enter emergency perl save\n";	4096	info "emergency_perl_save: enter\n";
		4097
		4098	# this is a trade-off: we want to be very quick here, so
		4099	# save all maps without fsync, and later call a global sync
		4100	# (which in turn might be very very slow)
		4101	local $USE_FSYNC = 0;
2927		4102
2928	cf::sync_job {	4103	cf::sync_job {
		4104	cf::write_runtime_sync; # external watchdog should not bark
		4105
2929	# use a peculiar iteration method to avoid tripping on perl	4106	# use a peculiar iteration method to avoid tripping on perl
2930	# refcount bugs in for. also avoids problems with players	4107	# refcount bugs in for. also avoids problems with players
2931	# and maps saved/destroyed asynchronously.	4108	# and maps saved/destroyed asynchronously.
2932	warn "begin emergency player save\n";	4109	info "emergency_perl_save: begin player save\n";
2933	for my $login (keys %cf::PLAYER) {	4110	for my $login (keys %cf::PLAYER) {
2934	my $pl = $cf::PLAYER{$login} or next;	4111	my $pl = $cf::PLAYER{$login} or next;
2935	$pl->valid or next;	4112	$pl->valid or next;
		4113	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2936	$pl->save;	4114	$pl->save;
2937	}	4115	}
2938	warn "end emergency player save\n";	4116	info "emergency_perl_save: end player save\n";
2939		4117
2940	warn "begin emergency map save\n";	4118	cf::write_runtime_sync; # external watchdog should not bark
		4119
		4120	info "emergency_perl_save: begin map save\n";
2941	for my $path (keys %cf::MAP) {	4121	for my $path (keys %cf::MAP) {
2942	my $map = $cf::MAP{$path} or next;	4122	my $map = $cf::MAP{$path} or next;
2943	$map->valid or next;	4123	$map->valid or next;
2944	$map->save;	4124	$map->save;
2945	}	4125	}
2946	warn "end emergency map save\n";	4126	info "emergency_perl_save: end map save\n";
2947		4127
2948	warn "begin emergency database checkpoint\n";	4128	cf::write_runtime_sync; # external watchdog should not bark
		4129
		4130	info "emergency_perl_save: begin database checkpoint\n";
2949	BDB::db_env_txn_checkpoint $DB_ENV;	4131	BDB::db_env_txn_checkpoint $DB_ENV;
2950	warn "end emergency database checkpoint\n";	4132	info "emergency_perl_save: end database checkpoint\n";
		4133
		4134	info "emergency_perl_save: begin write uuid\n";
		4135	write_uuid_sync 1;
		4136	info "emergency_perl_save: end write uuid\n";
		4137
		4138	cf::write_runtime_sync; # external watchdog should not bark
		4139
		4140	trace "emergency_perl_save: syncing database to disk";
		4141	BDB::db_env_txn_checkpoint $DB_ENV;
		4142
		4143	info "emergency_perl_save: starting sync\n";
		4144	IO::AIO::aio_sync sub {
		4145	info "emergency_perl_save: finished sync\n";
		4146	};
		4147
		4148	cf::write_runtime_sync; # external watchdog should not bark
		4149
		4150	trace "emergency_perl_save: flushing outstanding aio requests";
		4151	while (IO::AIO::nreqs || BDB::nreqs) {
		4152	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4153	}
		4154
		4155	cf::write_runtime_sync; # external watchdog should not bark
2951	};	4156	};
2952		4157
2953	warn "leave emergency perl save\n";	4158	info "emergency_perl_save: leave\n";
2954	}	4159	}
2955		4160
2956	sub post_cleanup {	4161	sub post_cleanup {
2957	my ($make_core) = @_;	4162	my ($make_core) = @_;
2958		4163
		4164	IO::AIO::flush;
		4165
2959	warn Carp::longmess "post_cleanup backtrace"	4166	error Carp::longmess "post_cleanup backtrace"
2960	if $make_core;	4167	if $make_core;
		4168
		4169	my $fh = pidfile;
		4170	unlink $PIDFILE if <$fh> == $$;
		4171	}
		4172
		4173	# a safer delete_package, copied from Symbol
		4174	sub clear_package($) {
		4175	my $pkg = shift;
		4176
		4177	# expand to full symbol table name if needed
		4178	unless ($pkg =~ /^main::.*::$/) {
		4179	$pkg = "main$pkg" if $pkg =~ /^::/;
		4180	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4181	$pkg .= '::' unless $pkg =~ /::$/;
		4182	}
		4183
		4184	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4185	my $stem_symtab = *{$stem}{HASH};
		4186
		4187	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4188	or return;
		4189
		4190	# clear all symbols
		4191	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4192	for my $name (keys %$leaf_symtab) {
		4193	_gv_clear *{"$pkg$name"};
		4194	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4195	}
2961	}	4196	}
2962		4197
2963	sub do_reload_perl() {	4198	sub do_reload_perl() {
2964	# can/must only be called in main	4199	# can/must only be called in main
2965	if ($Coro::current != $Coro::main) {	4200	unless (in_main) {
2966	warn "can only reload from main coroutine";	4201	error "can only reload from main coroutine";
2967	return;	4202	return;
2968	}	4203	}
2969		4204
2970	warn "reloading...";	4205	return if $RELOAD++;
2971		4206
2972	warn "entering sync_job";	4207	my $t1 = AE::time;
2973		4208
		4209	while ($RELOAD) {
		4210	cf::get_slot 0.1, -1, "reload_perl";
		4211	info "perl_reload: reloading...";
		4212
		4213	trace "perl_reload: entering sync_job";
		4214
2974	cf::sync_job {	4215	cf::sync_job {
2975	cf::write_runtime; # external watchdog should not bark
2976	cf::emergency_save;	4216	#cf::emergency_save;
2977	cf::write_runtime; # external watchdog should not bark
2978		4217
2979	warn "syncing database to disk";
2980	BDB::db_env_txn_checkpoint $DB_ENV;
2981
2982	# if anything goes wrong in here, we should simply crash as we already saved
2983
2984	warn "cancelling all WF_AUTOCANCEL watchers";
2985	for (Event::all_watchers) {
2986	$_->cancel if $_->data & WF_AUTOCANCEL;
2987	}
2988
2989	warn "flushing outstanding aio requests";
2990	for (;;) {
2991	BDB::flush;
2992	IO::AIO::flush;
2993	Coro::cede;
2994	last unless IO::AIO::nreqs || BDB::nreqs;
2995	warn "iterate...";
2996	}
2997
2998	++$RELOAD;
2999
3000	warn "cancelling all extension coros";	4218	trace "perl_reload: cancelling all extension coros";
3001	$_->cancel for values %EXT_CORO;	4219	$_->cancel for values %EXT_CORO;
3002	%EXT_CORO = ();	4220	%EXT_CORO = ();
3003		4221
3004	warn "removing commands";	4222	trace "perl_reload: removing commands";
3005	%COMMAND = ();	4223	%COMMAND = ();
3006		4224
3007	warn "removing ext/exti commands";	4225	trace "perl_reload: removing ext/exti commands";
3008	%EXTCMD = ();	4226	%EXTCMD = ();
3009	%EXTICMD = ();	4227	%EXTICMD = ();
3010		4228
3011	warn "unloading/nuking all extensions";	4229	trace "perl_reload: unloading/nuking all extensions";
3012	for my $pkg (@EXTS) {	4230	for my $pkg (@EXTS) {
3013	warn "... unloading $pkg";	4231	trace "... unloading $pkg";
3014		4232
3015	if (my $cb = $pkg->can ("unload")) {	4233	if (my $cb = $pkg->can ("unload")) {
3016	eval {	4234	eval {
3017	$cb->($pkg);	4235	$cb->($pkg);
3018	1	4236	1
3019	} or warn "$pkg unloaded, but with errors: $@";	4237	} or error "$pkg unloaded, but with errors: $@";
		4238	}
		4239
		4240	trace "... clearing $pkg";
		4241	clear_package $pkg;
3020	}	4242	}
3021		4243
3022	warn "... nuking $pkg";
3023	Symbol::delete_package $pkg;
3024	}
3025
3026	warn "unloading all perl modules loaded from $LIBDIR";	4244	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3027	while (my ($k, $v) = each %INC) {	4245	while (my ($k, $v) = each %INC) {
3028	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3029		4247
3030	warn "... unloading $k";	4248	trace "... unloading $k";
3031	delete $INC{$k};	4249	delete $INC{$k};
3032		4250
3033	$k =~ s/\.pm$//;	4251	$k =~ s/\.pm$//;
3034	$k =~ s/\//::/g;	4252	$k =~ s/\//::/g;
3035		4253
3036	if (my $cb = $k->can ("unload_module")) {	4254	if (my $cb = $k->can ("unload_module")) {
3037	$cb->();	4255	$cb->();
		4256	}
		4257
		4258	clear_package $k;
3038	}	4259	}
3039		4260
3040	Symbol::delete_package $k;
3041	}
3042
3043	warn "getting rid of safe::, as good as possible";	4261	trace "perl_reload: getting rid of safe::, as good as possible";
3044	Symbol::delete_package "safe::$_"	4262	clear_package "safe::$_"
3045	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4263	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3046		4264
3047	warn "unloading cf.pm \"a bit\"";	4265	trace "perl_reload: unloading cf.pm \"a bit\"";
3048	delete $INC{"cf.pm"};	4266	delete $INC{"cf.pm"};
3049	delete $INC{"cf/pod.pm"};	4267	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3050		4268
3051	# don't, removes xs symbols, too,	4269	# don't, removes xs symbols, too,
3052	# and global variables created in xs	4270	# and global variables created in xs
3053	#Symbol::delete_package __PACKAGE__;	4271	#clear_package __PACKAGE__;
3054		4272
3055	warn "unload completed, starting to reload now";	4273	info "perl_reload: unload completed, starting to reload now";
3056		4274
3057	warn "reloading cf.pm";	4275	trace "perl_reload: reloading cf.pm";
3058	require cf;	4276	require cf;
3059	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4277	cf::_connect_to_perl_1;
3060		4278
3061	warn "loading config and database again";	4279	trace "perl_reload: loading config and database again";
3062	cf::cfg_load;	4280	cf::reload_config;
3063		4281
3064	warn "loading extensions";	4282	trace "perl_reload: loading extensions";
3065	cf::load_extensions;	4283	cf::load_extensions;
3066		4284
		4285	if ($REATTACH_ON_RELOAD) {
3067	warn "reattaching attachments to objects/players";	4286	trace "perl_reload: reattaching attachments to objects/players";
3068	_global_reattach; # objects, sockets	4287	_global_reattach; # objects, sockets
3069	warn "reattaching attachments to maps";	4288	trace "perl_reload: reattaching attachments to maps";
3070	reattach $_ for values %MAP;	4289	reattach $_ for values %MAP;
3071	warn "reattaching attachments to players";	4290	trace "perl_reload: reattaching attachments to players";
3072	reattach $_ for values %PLAYER;	4291	reattach $_ for values %PLAYER;
		4292	}
3073		4293
3074	warn "leaving sync_job";	4294	cf::_post_init 1;
3075		4295
		4296	trace "perl_reload: leaving sync_job";
		4297
3076	1	4298	1
3077	} or do {	4299	} or do {
3078	warn $@;	4300	error $@;
3079	warn "error while reloading, exiting.";	4301	cf::cleanup "perl_reload: error, exiting.";
3080	exit 1;	4302	};
		4303
		4304	--$RELOAD;
3081	};	4305	}
3082		4306
3083	warn "reloaded";	4307	$t1 = AE::time - $t1;
		4308	info "perl_reload: completed in ${t1}s\n";
3084	};	4309	};
3085		4310
3086	our $RELOAD_WATCHER; # used only during reload	4311	our $RELOAD_WATCHER; # used only during reload
3087		4312
3088	sub reload_perl() {	4313	sub reload_perl() {
3089	# doing reload synchronously and two reloads happen back-to-back,	4314	# doing reload synchronously and two reloads happen back-to-back,
3090	# coro crashes during coro_state_free->destroy here.	4315	# coro crashes during coro_state_free->destroy here.
3091		4316
3092	$RELOAD_WATCHER ||= Event->timer (	4317	$RELOAD_WATCHER ||= cf::async {
3093	reentrant => 0,	4318	Coro::AIO::aio_wait cache_extensions;
3094	after => 0,	4319
3095	data => WF_AUTOCANCEL,	4320	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3096	cb => sub {
3097	do_reload_perl;	4321	do_reload_perl;
3098	undef $RELOAD_WATCHER;	4322	undef $RELOAD_WATCHER;
3099	},	4323	};
3100	);	4324	};
3101	}	4325	}
3102		4326
3103	register_command "reload" => sub {	4327	register_command "reload" => sub {
3104	my ($who, $arg) = @_;	4328	my ($who, $arg) = @_;
3105		4329
3106	if ($who->flag (FLAG_WIZ)) {	4330	if ($who->flag (FLAG_WIZ)) {
3107	$who->message ("reloading server.");	4331	$who->message ("reloading server.");
		4332	async {
		4333	$Coro::current->{desc} = "perl_reload";
3108	async { reload_perl };	4334	reload_perl;
		4335	};
3109	}	4336	}
3110	};	4337	};
3111		4338
3112	unshift @INC, $LIBDIR;	4339	#############################################################################
3113		4340
3114	my $bug_warning = 0;	4341	my $bug_warning = 0;
3115		4342
3116	our @WAIT_FOR_TICK;
3117	our @WAIT_FOR_TICK_BEGIN;
3118
3119	sub wait_for_tick {	4343	sub wait_for_tick() {
3120	return unless $TICK_WATCHER->is_active;	4344	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3121	return if $Coro::current == $Coro::main;
3122		4345
3123	my $signal = new Coro::Signal;	4346	$WAIT_FOR_TICK->wait;
3124	push @WAIT_FOR_TICK, $signal;
3125	$signal->wait;
3126	}	4347	}
3127		4348
3128	sub wait_for_tick_begin {	4349	sub wait_for_tick_begin() {
3129	return unless $TICK_WATCHER->is_active;	4350	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3130	return if $Coro::current == $Coro::main;
3131		4351
3132	my $signal = new Coro::Signal;	4352	my $signal = new Coro::Signal;
3133	push @WAIT_FOR_TICK_BEGIN, $signal;	4353	push @WAIT_FOR_TICK_BEGIN, $signal;
3134	$signal->wait;	4354	$signal->wait;
3135	}	4355	}
3136		4356
3137	my $min = 1e6;#d#	4357	sub tick {
3138	my $avg = 10;
3139	$TICK_WATCHER = Event->timer (
3140	reentrant => 0,
3141	parked => 1,
3142	prio => 0,
3143	at => $NEXT_TICK || $TICK,
3144	data => WF_AUTOCANCEL,
3145	cb => sub {
3146	if ($Coro::current != $Coro::main) {	4358	if ($Coro::current != $Coro::main) {
3147	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4359	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3148	unless ++$bug_warning > 10;	4360	unless ++$bug_warning > 10;
3149	return;	4361	return;
3150	}	4362	}
3151		4363
3152	$NOW = $tick_start = Event::time;	4364	cf::one_tick; # one server iteration
3153		4365
3154	cf::server_tick; # one server iteration	4366	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3155		4367
3156	0 && sync_job {#d#	4368	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3157	for(1..10) {	4369	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3158	my $t = Event::time;	4370	Coro::async_pool {
3159	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4371	$Coro::current->{desc} = "runtime saver";
3160	or die;	4372	write_runtime_sync
3161		4373	or error "ERROR: unable to write runtime file: $!";
3162	$map->width (50);
3163	$map->height (50);
3164	$map->alloc;
3165	$map->_load_objects ("/tmp/x.map", 1);
3166	my $t = Event::time - $t;
3167
3168	#next unless $t < 0.0013;#d#
3169	if ($t < $min) {
3170	$min = $t;
3171	}
3172	$avg = $avg * 0.99 + $t * 0.01;
3173	}
3174	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3175	exit 0;
3176	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3177	};	4374	};
		4375	}
3178		4376
3179	$RUNTIME += $TICK;
3180	$NEXT_TICK += $TICK;
3181
3182	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3183	$NEXT_RUNTIME_WRITE = $NOW + 10;
3184	Coro::async_pool {
3185	write_runtime
3186	or warn "ERROR: unable to write runtime file: $!";
3187	};
3188	}
3189
3190	# my $AFTER = Event::time;
3191	# warn $AFTER - $NOW;#d#
3192
3193	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4377	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3194	$sig->send;	4378	$sig->send;
3195	}	4379	}
3196	while (my $sig = shift @WAIT_FOR_TICK) {	4380	$WAIT_FOR_TICK->broadcast;
3197	$sig->send;
3198	}
3199		4381
3200	$NOW = Event::time;	4382	$LOAD = ($NOW - $TICK_START) / $TICK;
3201
3202	# if we are delayed by four ticks or more, skip them all
3203	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3204
3205	$TICK_WATCHER->at ($NEXT_TICK);
3206	$TICK_WATCHER->start;
3207
3208	$LOAD = ($NOW - $tick_start) / $TICK;
3209	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3210		4384
3211	_post_tick;	4385	if (0) {
3212		4386	if ($NEXT_TICK) {
3213		4387	my $jitter = $TICK_START - $NEXT_TICK;
		4388	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4389	debug "jitter $JITTER\n";#d#
		4390	}
3214	},	4391	}
3215	);	4392	}
3216		4393
3217	{	4394	{
3218	BDB::max_poll_time $TICK * 0.1;	4395	# configure BDB
3219	$BDB_POLL_WATCHER = Event->io (	4396	info "initialising database";
3220	reentrant => 0,	4397
3221	fd => BDB::poll_fileno,
3222	poll => 'r',
3223	prio => 0,
3224	data => WF_AUTOCANCEL,
3225	cb => \&BDB::poll_cb,
3226	);
3227	BDB::min_parallel 8;	4398	BDB::min_parallel 16;
3228		4399	BDB::max_poll_reqs $TICK * 0.1;
3229	BDB::set_sync_prepare {	4400	#$AnyEvent::BDB::WATCHER->priority (1);
3230	my $status;
3231	my $current = $Coro::current;
3232	(
3233	sub {
3234	$status = $!;
3235	$current->ready; undef $current;
3236	},
3237	sub {
3238	Coro::schedule while defined $current;
3239	$! = $status;
3240	},
3241	)
3242	};
3243		4401
3244	unless ($DB_ENV) {	4402	unless ($DB_ENV) {
3245	$DB_ENV = BDB::db_env_create;	4403	$DB_ENV = BDB::db_env_create;
		4404	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4405	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4406	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4407	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4408	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3246		4409
3247	cf::sync_job {	4410	cf::sync_job {
3248	eval {	4411	eval {
3249	BDB::db_env_open	4412	BDB::db_env_open
3250	$DB_ENV,	4413	$DB_ENV,
…		…
3252	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4415	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3253	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4416	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3254	0666;	4417	0666;
3255		4418
3256	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4419	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3257
3258	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3259	$DB_ENV->set_lk_detect;
3260	};	4420	};
3261		4421
3262	cf::cleanup "db_env_open(db): $@" if $@;	4422	cf::cleanup "db_env_open(db): $@" if $@;
3263	};	4423	};
3264	}	4424	}
		4425
		4426	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4427	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4428	};
		4429	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4430	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4431	};
		4432	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4433	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4434	};
		4435
		4436	info "database initialised";
3265	}	4437	}
3266		4438
3267	{	4439	{
		4440	# configure IO::AIO
		4441
		4442	info "initialising aio";
3268	IO::AIO::min_parallel 8;	4443	IO::AIO::min_parallel 8;
3269
3270	undef $Coro::AIO::WATCHER;
3271	IO::AIO::max_poll_time $TICK * 0.1;	4444	IO::AIO::max_poll_time $TICK * 0.1;
3272	$AIO_POLL_WATCHER = Event->io (	4445	undef $AnyEvent::AIO::WATCHER;
3273	reentrant => 0,	4446	info "aio initialised";
3274	data => WF_AUTOCANCEL,
3275	fd => IO::AIO::poll_fileno,
3276	poll => 'r',
3277	prio => 6,
3278	cb => \&IO::AIO::poll_cb,
3279	);
3280	}	4447	}
3281		4448
3282	my $_log_backtrace;	4449	our $_log_backtrace;
		4450	our $_log_backtrace_last;
3283		4451
3284	sub _log_backtrace {	4452	sub _log_backtrace {
3285	my ($msg, @addr) = @_;	4453	my ($msg, @addr) = @_;
3286		4454
3287	$msg =~ s/\n//;	4455	$msg =~ s/\n$//;
3288		4456
		4457	if ($_log_backtrace_last eq $msg) {
		4458	LOG llevInfo, "[ABT] $msg\n";
		4459	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3289	# limit the # of concurrent backtraces	4460	# limit the # of concurrent backtraces
3290	if ($_log_backtrace < 2) {	4461	} elsif ($_log_backtrace < 2) {
		4462	$_log_backtrace_last = $msg;
3291	++$_log_backtrace;	4463	++$_log_backtrace;
		4464	my $perl_bt = Carp::longmess $msg;
3292	async {	4465	async {
		4466	$Coro::current->{desc} = "abt $msg";
		4467
3293	my @bt = fork_call {	4468	my @bt = fork_call {
3294	@addr = map { sprintf "%x", $_ } @addr;	4469	@addr = map { sprintf "%x", $_ } @addr;
3295	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4470	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3296	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4471	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3297	or die "addr2line: $!";	4472	or die "addr2line: $!";
…		…
3305	}	4480	}
3306		4481
3307	@funcs	4482	@funcs
3308	};	4483	};
3309		4484
3310	LOG llevInfo, "[ABT] $msg\n";	4485	LOG llevInfo, "[ABT] $perl_bt\n";
		4486	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3311	LOG llevInfo, "[ABT] $_\n" for @bt;	4487	LOG llevInfo, "[ABT] $_\n" for @bt;
3312	--$_log_backtrace;	4488	--$_log_backtrace;
3313	};	4489	};
3314	} else {	4490	} else {
3315	LOG llevInfo, "[ABT] $msg\n";	4491	LOG llevInfo, "[ABT] $msg\n";
3316	LOG llevInfo, "[ABT] [suppressed]\n";	4492	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3317	}	4493	}
3318	}	4494	}
3319		4495
3320	# load additional modules	4496	# load additional modules
3321	use cf::pod;	4497	require "cf/$_.pm" for @EXTRA_MODULES;
		4498	cf::_connect_to_perl_2;
3322		4499
3323	END { cf::emergency_save }	4500	END { cf::emergency_save }
3324		4501
3325	1	4502	1
3326		4503

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