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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.305 by root, Thu Jul 12 08:40:14 2007 UTC vs.
Revision 1.610 by root, Tue Nov 20 14:40:01 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
25	use JSON::XS 1.4 ();	57	use JSON::XS 2.01 ();
26	use BDB ();	58	use BDB ();
27	use Data::Dumper;	59	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	60	use Fcntl;
30	use YAML::Syck ();	61	use YAML::XS ();
31	use IO::AIO 2.32 ();	62	use IO::AIO ();
32	use Time::HiRes;
33	use Compress::LZF;	63	use Compress::LZF;
34	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
35		67
36	# configure various modules to our taste	68	# configure various modules to our taste
37	#	69	#
38	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		78
42	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
43		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		81
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
50		85
51	our %COMMAND = ();	86	our %COMMAND = ();
52	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
53		88
54	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
56	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
59		96
60	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
62		101
63	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
64	our $DATADIR = datadir;	104	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
68	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
74		125
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
80	our $NOW;	144	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		145
83	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
84	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
85
86	our %CFG;
87
88	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;
90
91	our %PLAYER; # all users
92	our %MAP; # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
94		149
95	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		152
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
101		165
102	binmode STDOUT;	166	binmode STDOUT;
103	binmode STDERR;	167	binmode STDERR;
104		168
105	# read virtual server time, if available	169	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
110	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
111		177
112	mkdir $_	178	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		180
115	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
116		182
117	sub cf::map::normalise;	183	sub cf::map::normalise;
118		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
119	#############################################################################	189	#############################################################################
120		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
121	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
122		203
123	=over 4	204	=over 4
124		205
125	=item $cf::UPTIME	206	=item $cf::UPTIME
126		207
127	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
128		224
129	=item $cf::RUNTIME	225	=item $cf::RUNTIME
130		226
131	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
132	every server tick.	228	every server tick.
133		229
134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
137		233
138	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
140	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
141	database environment.	237	database environment.
142		238
143	=item $cf::NOW
144
145	The time of the last (current) server tick.
146
147	=item $cf::TICK
148
149	The interval between server ticks, in seconds.
150
151	=item $cf::LOADAVG	239	=item $cf::LOADAVG
152		240
153	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
154	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
155	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
158		246
159	The raw value load value from the last tick.	247	The raw value load value from the last tick.
160		248
161	=item %cf::CFG	249	=item %cf::CFG
162		250
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	252	from wherever your confdir points to.
165		253
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		255
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
169	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		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($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
316	};	623	}
317	$TICK_WATCHER->stop;	624	};
318	$guard	625
		626	sub get_slot($;$$) {
		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::loop EV::LOOP_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
…		…
1485		1967
1486	=cut	1968	=cut
1487		1969
1488	sub find_by_path($) {	1970	sub find_by_path($) {
1489	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1490		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}) {
…		…
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"
…		…
2181		2757
2182	=item $player_object->enter_link	2758	=item $player_object->enter_link
2183		2759
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2760	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2761
2186	The player should be reasonably safe there for short amounts of time. You	2762	The player should be reasonably safe there for short amounts of time (e.g.
2187	I<MUST> call C<leave_link> as soon as possible, though.	2763	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2764	though, as the player cannot control the character while it is on the link
		2765	map.
2188		2766
2189	Will never block.	2767	Will never block.
2190		2768
2191	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2192		2770
…		…
2212	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2213	my ($self) = @_;	2791	my ($self) = @_;
2214		2792
2215	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2216		2794
		2795	++$self->{_link_recursion};
		2796
2217	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2218		2798
2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2221		2801
2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2223	}	2803	}
2224		2804
2225	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2226	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2227		2807
…		…
2244	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2246		2826
2247	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2250		2830
2251	$map->load;	2831	$map->load;
2252	$map->load_diag;
2253		2832
2254	return unless $self->contr->active;	2833	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2834
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2259	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2260		2842
		2843	}
		2844
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2262		2846
2263	Moves the player to the given map-path and coordinates by first freezing	2847	Moves the player to the given map-path and coordinates by first freezing
2264	her, loading and preparing them map, calling the provided $check callback	2848	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	2849	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position.	2850	the new (success) or old (failed) map position. In either case, $done will
		2851	be called at the end of this process.
		2852
		2853	Note that $check will be called with a potentially non-loaded map, so if
		2854	it needs a loaded map it has to call C<< ->load >>.
2267		2855
2268	=cut	2856	=cut
2269		2857
2270	our $GOTOGEN;	2858	our $GOTOGEN;
2271		2859
2272	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2273	my ($self, $path, $x, $y, $check) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
2274		2868
2275	# do generation counting so two concurrent goto's will be executed in-order	2869	# do generation counting so two concurrent goto's will be executed in-order
2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2277		2871
2278	$self->enter_link;	2872	$self->enter_link;
2279		2873
2280	(async {	2874	(async {
		2875	$Coro::current->{desc} = "player::goto $path $x $y";
		2876
		2877	# *tag paths override both path and x|y
		2878	if ($path =~ /^\*(.*)$/) {
		2879	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2880	my $ob = $obs[rand @obs];
		2881
		2882	# see if we actually can go there
		2883	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2884	$ob = $obs[rand @obs];
		2885	} else {
		2886	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2887	}
		2888	# else put us there anyways for now #d#
		2889
		2890	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2891	} else {
		2892	($path, $x, $y) = (undef, undef, undef);
		2893	}
		2894	}
		2895
2281	my $map = eval {	2896	my $map = eval {
2282	my $map = cf::map::find $path;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2283		2898
2284	if ($map) {	2899	if ($map) {
2285	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2286	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2287	} else {	2902	} else {
2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2289	}	2904	}
2290		2905
2291	$map	2906	$map
2292	};	2907	};
2293		2908
…		…
2298		2913
2299	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2300	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2301	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2302	}	2917	}
		2918
		2919	$done->($self) if $done;
2303	})->prio (1);	2920	})->prio (1);
2304	}	2921	}
2305		2922
2306	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2307		2924
…		…
2327	}	2944	}
2328		2945
2329	sub prepare_random_map {	2946	sub prepare_random_map {
2330	my ($exit) = @_;	2947	my ($exit) = @_;
2331		2948
2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
2333
2334	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
2335	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
2336	# that depends on the exit object	2951	# that depends on the exit object
2337		2952
2338	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2340	if ($exit->map) {	2955	if ($exit->map) {
2341	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2342	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2343	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2344	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2345	}	2962	}
2346		2963
2347	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2348		2965
2349	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2350	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
2351	my $meta = "$RANDOMDIR/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
2352		2969
2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2354	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2355	undef $fh;	2972	undef $fh;
2356	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2357		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2358	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2359	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2360	}	2981	}
2361	}	2982	}
2362		2983
2363	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2364	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2365		2986
2366	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2367		2988
2368	if ($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;	2989	$self->enter_link;
2380		2990
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 {	2991	(async {
2386	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
2387	unless (eval {	2994	unless (eval {
		2995	$self->deactivate_recursive; # just to be sure
		2996
		2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2998	my $x = $exit->stats->hp;
		2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
		3023
2388	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2389		3025
		3026	# if exit is damned, update players death & WoR home-position
		3027	$self->contr->savebed ($map, $x, $y)
		3028	if $exit->flag (cf::FLAG_DAMNED);
		3029
2390	1;	3030	1
2391	}) {	3031	}) {
2392	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2393	. "I'll try to bring you back to the map you were before. "	3033	. "I'll try to bring you back to the map you were before. "
2394	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2395	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2396		3036
2397	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2398	$self->leave_link;	3038	$self->leave_link;
2399	}	3039	}
2400	})->prio (1);	3040	})->prio (1);
2401	}	3041	}
2402		3042
2403	=head3 cf::client	3043	=head3 cf::client
2404		3044
2405	=over 4	3045	=over 4
2406		3046
2407	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2408		3048
2409	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2410	should not be used under normal circumstances.	3050	them as required.
2411		3051
2412	=cut	3052	=cut
2413		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
2414	sub cf::client::send_drawinfo {	3056	sub cf::client::send_big_packet {
2415	my ($self, $text, $flags) = @_;	3057	my ($self, $pkt) = @_;
2416		3058
2417	utf8::encode $text;	3059	# try lzf for large packets
2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3060	$pkt = "lzf " . Compress::LZF::compress $pkt
2419	}	3061	if 1024 <= length $pkt and $self->{can_lzf};
2420		3062
		3063	# split very large packets
		3064	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3065	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3066	$pkt = "frag";
		3067	}
		3068
		3069	$self->send_packet ($pkt);
		3070	}
		3071
2421	=item $client->send_msg ($color, $type, $msg, [extra...])	3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
2422		3073
2423	Send a drawinfo or msg packet to the client, formatting the msg for the	3074	Send a msg packet to the client, formatting the msg for the client if
2424	client if neccessary. C<$type> should be a string identifying the type of	3075	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	3076	message, with C<log> being the default. If C<$color> is negative, suppress
2426	the message unless the client supports the msg packet.	3077	the message unless the client supports the msg packet.
2427		3078
2428	=cut	3079	=cut
2429		3080
		3081	# non-persistent channels (usually the info channel)
		3082	our %CHANNEL = (
		3083	"c/motd" => {
		3084	id => "infobox",
		3085	title => "MOTD",
		3086	reply => undef,
		3087	tooltip => "The message of the day",
		3088	},
		3089	"c/identify" => {
		3090	id => "infobox",
		3091	title => "Identify",
		3092	reply => undef,
		3093	tooltip => "Items recently identified",
		3094	},
		3095	"c/examine" => {
		3096	id => "infobox",
		3097	title => "Examine",
		3098	reply => undef,
		3099	tooltip => "Signs and other items you examined",
		3100	},
		3101	"c/shopinfo" => {
		3102	id => "infobox",
		3103	title => "Shop Info",
		3104	reply => undef,
		3105	tooltip => "What your bargaining skill tells you about the shop",
		3106	},
		3107	"c/book" => {
		3108	id => "infobox",
		3109	title => "Book",
		3110	reply => undef,
		3111	tooltip => "The contents of a note or book",
		3112	},
		3113	"c/lookat" => {
		3114	id => "infobox",
		3115	title => "Look",
		3116	reply => undef,
		3117	tooltip => "What you saw there",
		3118	},
		3119	"c/who" => {
		3120	id => "infobox",
		3121	title => "Players",
		3122	reply => undef,
		3123	tooltip => "Shows players who are currently online",
		3124	},
		3125	"c/body" => {
		3126	id => "infobox",
		3127	title => "Body Parts",
		3128	reply => undef,
		3129	tooltip => "Shows which body parts you posess and are available",
		3130	},
		3131	"c/statistics" => {
		3132	id => "infobox",
		3133	title => "Statistics",
		3134	reply => undef,
		3135	tooltip => "Shows your primary statistics",
		3136	},
		3137	"c/skills" => {
		3138	id => "infobox",
		3139	title => "Skills",
		3140	reply => undef,
		3141	tooltip => "Shows your experience per skill and item power",
		3142	},
		3143	"c/shopitems" => {
		3144	id => "infobox",
		3145	title => "Shop Items",
		3146	reply => undef,
		3147	tooltip => "Shows the items currently for sale in this shop",
		3148	},
		3149	"c/resistances" => {
		3150	id => "infobox",
		3151	title => "Resistances",
		3152	reply => undef,
		3153	tooltip => "Shows your resistances",
		3154	},
		3155	"c/pets" => {
		3156	id => "infobox",
		3157	title => "Pets",
		3158	reply => undef,
		3159	tooltip => "Shows information abotu your pets/a specific pet",
		3160	},
		3161	"c/perceiveself" => {
		3162	id => "infobox",
		3163	title => "Perceive Self",
		3164	reply => undef,
		3165	tooltip => "You gained detailed knowledge about yourself",
		3166	},
		3167	"c/uptime" => {
		3168	id => "infobox",
		3169	title => "Uptime",
		3170	reply => undef,
		3171	tooltip => "How long the server has been running since last restart",
		3172	},
		3173	"c/mapinfo" => {
		3174	id => "infobox",
		3175	title => "Map Info",
		3176	reply => undef,
		3177	tooltip => "Information related to the maps",
		3178	},
		3179	"c/party" => {
		3180	id => "party",
		3181	title => "Party",
		3182	reply => "gsay ",
		3183	tooltip => "Messages and chat related to your party",
		3184	},
		3185	"c/death" => {
		3186	id => "death",
		3187	title => "Death",
		3188	reply => undef,
		3189	tooltip => "Reason for and more info about your most recent death",
		3190	},
		3191	"c/fatal" => {
		3192	id => "fatal",
		3193	title => "Fatal Error",
		3194	reply => undef,
		3195	tooltip => "Reason for the server disconnect",
		3196	},
		3197	"c/say" => $SAY_CHANNEL,
		3198	"c/chat" => $CHAT_CHANNEL,
		3199	);
		3200
2430	sub cf::client::send_msg {	3201	sub cf::client::send_msg {
2431	my ($self, $color, $type, $msg, @extra) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2432		3203
2433	$msg = $self->pl->expand_cfpod ($msg);	3204	$msg = $self->pl->expand_cfpod ($msg)
		3205	unless $color & cf::NDI_VERBATIM;
		3206
		3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3208
		3209	# check predefined channels, for the benefit of C
		3210	if ($CHANNEL{$channel}) {
		3211	$channel = $CHANNEL{$channel};
		3212
		3213	$self->ext_msg (channel_info => $channel);
		3214	$channel = $channel->{id};
		3215
		3216	} elsif (ref $channel) {
		3217	# send meta info to client, if not yet sent
		3218	unless (exists $self->{channel}{$channel->{id}}) {
		3219	$self->{channel}{$channel->{id}} = $channel;
		3220	$self->ext_msg (channel_info => $channel);
		3221	}
		3222
		3223	$channel = $channel->{id};
		3224	}
2434		3225
2435	return unless @extra || length $msg;	3226	return unless @extra || length $msg;
2436		3227
2437	if ($self->can_msg) {	3228	# default colour, mask it out
2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2439	} else {	3230	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		3231
2450	if ($color >= 0) {	3232	my $pkt = "msg "
2451	if (0 && $msg =~ /\[/) {	3233	. $self->{json_coder}->encode (
2452	$self->send_packet ("drawextinfo $color 4 0 $msg")	3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2453	} else {	3235	);
2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2455	$self->send_packet ("drawinfo $color $msg")
2456	}
2457	}
2458	}
2459	}
2460		3236
		3237	$self->send_big_packet ($pkt);
		3238	}
		3239
2461	=item $client->ext_event ($type, %msg)	3240	=item $client->ext_msg ($type, @msg)
2462		3241
2463	Sends an ext event to the client.	3242	Sends an ext event to the client.
2464		3243
2465	=cut	3244	=cut
2466		3245
2467	sub cf::client::ext_event($$%) {	3246	sub cf::client::ext_msg($$@) {
2468	my ($self, $type, %msg) = @_;	3247	my ($self, $type, @msg) = @_;
2469		3248
2470	return unless $self->extcmd;
2471
2472	$msg{msgtype} = "event_$type";
2473	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2474	}	3250	}
2475		3251
2476	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2477		3253
2478	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
…		…
2498		3274
2499	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2500	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
2501		3277
2502	1	3278	1
		3279	}
		3280
		3281	=item $client->update_command_faces
		3282
		3283	=cut
		3284
		3285	our %COMMAND_FACE;
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = grep $_,
		3291	$COMMAND_FACE{standard},
		3292	$COMMAND_FACE{emote},
		3293	$COMMAND_FACE{skill},
		3294	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3295	;
		3296
		3297	$self->send_face ($_)
		3298	for @faces;
		3299	$self->flush_fx;
		3300
		3301	$self->ext_msg (command_list => @faces);
		3302	}
		3303
		3304	=item cf::client::set_command_face $type, $commands
		3305
		3306	=cut
		3307
		3308	sub cf::client::set_command_face {
		3309	my ($type, $list) = @_;
		3310
		3311	my $idx = &cf::face::set ( #d# ugly forward reference
		3312	"command_list/$type" => cf::FT_RSRC,
		3313	JSON::XS->new->utf8->encode ([ sort @$list ])
		3314	);
		3315
		3316	$COMMAND_FACE{$type} = $idx;
2503	}	3317	}
2504		3318
2505	cf::client->attach (	3319	cf::client->attach (
2506	on_connect => sub {	3320	on_connect => sub {
2507	my ($ns) = @_;	3321	my ($ns) = @_;
…		…
2533	my ($ns, $buf) = @_;	3347	my ($ns, $buf) = @_;
2534		3348
2535	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3349	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2536		3350
2537	if (ref $msg) {	3351	if (ref $msg) {
		3352	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3353
2538	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3354	if (my $cb = $EXTIACMD{$type}) {
2539	if (my %reply = $cb->($ns, $msg)) {	3355	$cb->(
2540	$reply{msgid} = $msg->{msgid};	3356	$ns,
2541	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));	3357	sub {
		3358	$ns->ext_msg ("reply-$reply", @_)
		3359	if $reply;
		3360	},
		3361	@payload
		3362	);
		3363	} else {
		3364	my @reply;
		3365
		3366	if (my $cb = $EXTICMD{$type}) {
		3367	@reply = $cb->($ns, @payload);
2542	}	3368	}
		3369
		3370	$ns->ext_msg ("reply-$reply", @reply)
		3371	if $reply;
2543	}	3372	}
2544	} else {	3373	} else {
2545	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3374	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2546	}	3375	}
2547		3376
2548	cf::override;	3377	cf::override;
2549	},	3378	},
2550	);	3379	);
…		…
2570		3399
2571	$coro	3400	$coro
2572	}	3401	}
2573		3402
2574	cf::client->attach (	3403	cf::client->attach (
2575	on_destroy => sub {	3404	on_client_destroy => sub {
2576	my ($ns) = @_;	3405	my ($ns) = @_;
2577		3406
2578	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3407	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2579	},	3408	},
2580	);	3409	);
…		…
2595	our $safe = new Safe "safe";	3424	our $safe = new Safe "safe";
2596	our $safe_hole = new Safe::Hole;	3425	our $safe_hole = new Safe::Hole;
2597		3426
2598	$SIG{FPE} = 'IGNORE';	3427	$SIG{FPE} = 'IGNORE';
2599		3428
2600	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3429	$safe->permit_only (Opcode::opset qw(
		3430	:base_core :base_mem :base_orig :base_math :base_loop
		3431	grepstart grepwhile mapstart mapwhile
		3432	sort time
		3433	));
2601		3434
2602	# here we export the classes and methods available to script code	3435	# here we export the classes and methods available to script code
2603		3436
2604	=pod	3437	=pod
2605		3438
2606	The following functions and methods are available within a safe environment:	3439	The following functions and methods are available within a safe environment:
2607		3440
2608	cf::object	3441	cf::object
2609	contr pay_amount pay_player map x y force_find force_add	3442	contr pay_amount pay_player map x y force_find force_add destroy
2610	insert remove	3443	insert remove name archname title slaying race decrease split
		3444	value
2611		3445
2612	cf::object::player	3446	cf::object::player
2613	player	3447	player
2614		3448
2615	cf::player	3449	cf::player
…		…
2620		3454
2621	=cut	3455	=cut
2622		3456
2623	for (	3457	for (
2624	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3458	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2625	insert remove)],	3459	insert remove inv nrof name archname title slaying race
		3460	decrease split destroy change_exp value msg lore send_msg)],
2626	["cf::object::player" => qw(player)],	3461	["cf::object::player" => qw(player)],
2627	["cf::player" => qw(peaceful)],	3462	["cf::player" => qw(peaceful send_msg)],
2628	["cf::map" => qw(trigger)],	3463	["cf::map" => qw(trigger)],
2629	) {	3464	) {
2630	no strict 'refs';
2631	my ($pkg, @funs) = @$_;	3465	my ($pkg, @funs) = @$_;
2632	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3466	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2633	for @funs;	3467	for @funs;
2634	}	3468	}
2635		3469
…		…
2650		3484
2651	my $qcode = $code;	3485	my $qcode = $code;
2652	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3486	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2653	$qcode =~ s/\n/\\n/g;	3487	$qcode =~ s/\n/\\n/g;
2654		3488
		3489	%vars = (_dummy => 0) unless %vars;
		3490
		3491	my @res;
2655	local $_;	3492	local $_;
2656	local @safe::cf::_safe_eval_args = values %vars;
2657		3493
2658	my $eval =	3494	my $eval =
2659	"do {\n"	3495	"do {\n"
2660	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3496	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2661	. "#line 0 \"{$qcode}\"\n"	3497	. "#line 0 \"{$qcode}\"\n"
2662	. $code	3498	. $code
2663	. "\n}"	3499	. "\n}"
2664	;	3500	;
2665		3501
		3502	if ($CFG{safe_eval}) {
2666	sub_generation_inc;	3503	sub_generation_inc;
		3504	local @safe::cf::_safe_eval_args = values %vars;
2667	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3505	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2668	sub_generation_inc;	3506	sub_generation_inc;
		3507	} else {
		3508	local @cf::_safe_eval_args = values %vars;
		3509	@res = wantarray ? eval eval : scalar eval $eval;
		3510	}
2669		3511
2670	if ($@) {	3512	if ($@) {
2671	warn "$@";	3513	warn "$@",
2672	warn "while executing safe code '$code'\n";	3514	"while executing safe code '$code'\n",
2673	warn "with arguments " . (join " ", %vars) . "\n";	3515	"with arguments " . (join " ", %vars) . "\n";
2674	}	3516	}
2675		3517
2676	wantarray ? @res : $res[0]	3518	wantarray ? @res : $res[0]
2677	}	3519	}
2678		3520
…		…
2692	=cut	3534	=cut
2693		3535
2694	sub register_script_function {	3536	sub register_script_function {
2695	my ($fun, $cb) = @_;	3537	my ($fun, $cb) = @_;
2696		3538
2697	no strict 'refs';	3539	$fun = "safe::$fun" if $CFG{safe_eval};
2698	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3540	*$fun = $safe_hole->wrap ($cb);
2699	}	3541	}
2700		3542
2701	=back	3543	=back
2702		3544
2703	=cut	3545	=cut
2704		3546
2705	#############################################################################	3547	#############################################################################
2706	# the server's init and main functions	3548	# the server's init and main functions
2707		3549
		3550	{
		3551	package cf::face;
		3552
		3553	our %HASH; # hash => idx
		3554	our @DATA; # dynamically-created facedata, only faceste 0 used
		3555	our @FOFS; # file offset, if > 0
		3556	our @SIZE; # size of face, in octets
		3557	our @META; # meta hash of face, if any
		3558	our $DATAFH; # facedata filehandle
		3559
		3560	# internal api, not finalised
		3561	sub set {
		3562	my ($name, $type, $data) = @_;
		3563
		3564	my $idx = cf::face::find $name;
		3565
		3566	if ($idx) {
		3567	delete $HASH{cf::face::get_csum $idx};
		3568	} else {
		3569	$idx = cf::face::alloc $name;
		3570	}
		3571
		3572	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3573
		3574	cf::face::set_type $idx, $type;
		3575	cf::face::set_csum $idx, 0, $hash;
		3576
		3577	# we need to destroy the SV itself, not just modify it, as a running ix
		3578	# might hold a reference to it: "delete" achieves that.
		3579	delete $FOFS[0][$idx];
		3580	delete $DATA[0][$idx];
		3581	$DATA[0][$idx] = $data;
		3582	$SIZE[0][$idx] = length $data;
		3583	delete $META[$idx];
		3584	$HASH{$hash} = $idx;#d#
		3585
		3586	$idx
		3587	}
		3588
		3589	sub _get_data($$$) {
		3590	my ($idx, $set, $cb) = @_;
		3591
		3592	if (defined $DATA[$set][$idx]) {
		3593	$cb->($DATA[$set][$idx]);
		3594	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3595	my $size = $SIZE[$set][$idx];
		3596	my $buf;
		3597	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3598	if ($_[0] == $size) {
		3599	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3600	$cb->($buf);
		3601	} else {
		3602	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3603	}
		3604	};
		3605	} else {
		3606	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3607	}
		3608	}
		3609
		3610	# rather ineffient
		3611	sub cf::face::get_data($;$) {
		3612	my ($idx, $set) = @_;
		3613
		3614	_get_data $idx, $set, Coro::rouse_cb;
		3615	Coro::rouse_wait
		3616	}
		3617
		3618	sub cf::face::ix {
		3619	my ($ns, $set, $idx, $pri) = @_;
		3620
		3621	_get_data $idx, $set, sub {
		3622	$ns->ix_send ($idx, $pri, $_[0]);
		3623	};
		3624	}
		3625	}
		3626
2708	sub load_facedata($) {	3627	sub load_facedata($) {
2709	my ($path) = @_;	3628	my ($path) = @_;
2710		3629
		3630	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3631
2711	warn "loading facedata from $path\n";	3632	trace "loading facedata from $path\n";
2712		3633
2713	my $facedata;	3634	my $facedata = decode_storable load_file "$path/faceinfo";
2714	0 < aio_load $path, $facedata
2715	or die "$path: $!";
2716
2717	$facedata = Coro::Storable::thaw $facedata;
2718		3635
2719	$facedata->{version} == 2	3636	$facedata->{version} == 2
2720	or cf::cleanup "$path: version mismatch, cannot proceed.";	3637	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3638
		3639	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3640	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3641
		3642	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3643
		3644	# BEGIN ATOMIC
		3645	# from here on, everything must be atomic - no thread switch allowed
		3646	my $t1 = EV::time;
2721		3647
2722	{	3648	{
2723	my $faces = $facedata->{faceinfo};	3649	my $faces = $facedata->{faceinfo};
2724		3650
2725	while (my ($face, $info) = each %$faces) {	3651	for my $face (sort keys %$faces) {
		3652	my $info = $faces->{$face};
2726	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3653	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3654
2727	cf::face::set_visibility $idx, $info->{visibility};	3655	cf::face::set_visibility $idx, $info->{visibility};
2728	cf::face::set_magicmap $idx, $info->{magicmap};	3656	cf::face::set_magicmap $idx, $info->{magicmap};
2729	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3657	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2730	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3658	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
2731		3659	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
2732	cf::cede_to_tick;	3660	$cf::face::HASH{$info->{hash64}} = $idx;
		3661	delete $cf::face::META[$idx];
2733	}	3662	}
2734		3663
2735	while (my ($face, $info) = each %$faces) {	3664	while (my ($face, $info) = each %$faces) {
2736	next unless $info->{smooth};	3665	next unless $info->{smooth};
		3666
2737	my $idx = cf::face::find $face	3667	my $idx = cf::face::find $face
2738	or next;	3668	or next;
		3669
2739	if (my $smooth = cf::face::find $info->{smooth}) {	3670	if (my $smooth = cf::face::find $info->{smooth}) {
2740	cf::face::set_smooth $idx, $smooth;	3671	cf::face::set_smooth $idx, $smooth;
2741	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3672	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2742	} else {	3673	} else {
2743	warn "smooth face '$info->{smooth}' not found for face '$face'";	3674	error "smooth face '$info->{smooth}' not found for face '$face'";
2744	}	3675	}
2745
2746	cf::cede_to_tick;
2747	}	3676	}
2748	}	3677	}
2749		3678
2750	{	3679	{
2751	my $anims = $facedata->{animinfo};	3680	my $anims = $facedata->{animinfo};
2752		3681
2753	while (my ($anim, $info) = each %$anims) {	3682	while (my ($anim, $info) = each %$anims) {
2754	cf::anim::set $anim, $info->{frames}, $info->{facings};	3683	cf::anim::set $anim, $info->{frames}, $info->{facings};
2755	cf::cede_to_tick;
2756	}	3684	}
2757		3685
2758	cf::anim::invalidate_all; # d'oh	3686	cf::anim::invalidate_all; # d'oh
2759	}	3687	}
2760		3688
2761	{	3689	{
2762	# TODO: for gcfclient pleasure, we should give resources
2763	# that gcfclient doesn't grok a >10000 face index.
2764	my $res = $facedata->{resource};	3690	my $res = $facedata->{resource};
2765	my $enc = JSON::XS->new->utf8->canonical;
2766		3691
2767	while (my ($name, $info) = each %$res) {	3692	while (my ($name, $info) = each %$res) {
2768	my $meta = $enc->encode ({	3693	if (defined (my $type = $info->{type})) {
2769	name => $name,	3694	# TODO: different hash - must free and use new index, or cache ixface data queue
2770	type => $info->{type},
2771	copyright => $info->{copyright}, #TODO#
2772	});
2773	my $data = pack "(w/a*)*", $meta, $info->{data};
2774	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2775
2776	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3695	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3696
2777	cf::face::set_type $idx, 1;	3697	cf::face::set_type $idx, $type;
2778	cf::face::set_data $idx, 0, $data, $chk;	3698	cf::face::set_csum $idx, 0, $info->{hash};
2779		3699	$cf::face::SIZE[0][$idx] = $info->{size};
2780	cf::cede_to_tick;	3700	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3701	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3702	$cf::face::HASH{$info->{hash}} = $idx;
		3703	} else {
		3704	# $RESOURCE{$name} = $info; # unused
2781	}	3705	}
		3706	}
2782	}	3707	}
		3708
		3709	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3710
		3711	# HACK to clear player env face cache, we need some signal framework
		3712	# for this (global event?)
		3713	%ext::player_env::MUSIC_FACE_CACHE = ();
		3714
		3715	# END ATOMIC
		3716
		3717	cf::debug "facedata atomic update time ", EV::time - $t1;
		3718
		3719	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3720
		3721	aio_close $fh if $fh; # close old facedata
2783		3722
2784	1	3723	1
2785	}	3724	}
2786		3725
		3726	register_exticmd fx_want => sub {
		3727	my ($ns, $want) = @_;
		3728
		3729	while (my ($k, $v) = each %$want) {
		3730	$ns->fx_want ($k, $v);
		3731	}
		3732	};
		3733
		3734	sub load_resource_file($) {
		3735	my $guard = lock_acquire "load_resource_file";
		3736
		3737	my $status = load_resource_file_ $_[0];
		3738	get_slot 0.1, 100;
		3739	cf::arch::commit_load;
		3740
		3741	$status
		3742	}
		3743
		3744	sub reload_exp_table {
		3745	_reload_exp_table;
		3746
		3747	cf::face::set
		3748	"res/exp_table" => FT_RSRC,
		3749	JSON::XS->new->utf8->canonical->encode (
		3750	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3751	);
		3752	}
		3753
		3754	sub reload_materials {
		3755	_reload_materials;
		3756	}
		3757
2787	sub reload_regions {	3758	sub reload_regions {
		3759	# HACK to clear player env face cache, we need some signal framework
		3760	# for this (global event?)
		3761	%ext::player_env::MUSIC_FACE_CACHE = ();
		3762
2788	load_resource_file "$MAPDIR/regions"	3763	load_resource_file "$MAPDIR/regions"
2789	or die "unable to load regions file\n";	3764	or die "unable to load regions file\n";
2790		3765
2791	for (cf::region::list) {	3766	for (cf::region::list) {
2792	$_->{match} = qr/$_->{match}/	3767	$_->{match} = qr/$_->{match}/
2793	if exists $_->{match};	3768	if exists $_->{match};
2794	}	3769	}
2795	}	3770	}
2796		3771
2797	sub reload_facedata {	3772	sub reload_facedata {
2798	load_facedata "$DATADIR/facedata"	3773	load_facedata $DATADIR
2799	or die "unable to load facedata\n";	3774	or die "unable to load facedata\n";
2800	}	3775	}
2801		3776
2802	sub reload_archetypes {	3777	sub reload_archetypes {
2803	load_resource_file "$DATADIR/archetypes"	3778	load_resource_file "$DATADIR/archetypes"
2804	or die "unable to load archetypes\n";	3779	or die "unable to load archetypes\n";
2805	#d# NEED to laod twice to resolve forward references	3780
2806	# this really needs to be done in an extra post-pass	3781	cf::face::set
2807	# (which needs to be synchronous, so solve it differently)	3782	"res/skill_info" => FT_RSRC,
2808	load_resource_file "$DATADIR/archetypes"	3783	JSON::XS->new->utf8->canonical->encode (
2809	or die "unable to load archetypes\n";	3784	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3785	);
		3786
		3787	cf::face::set
		3788	"res/spell_paths" => FT_RSRC,
		3789	JSON::XS->new->utf8->canonical->encode (
		3790	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3791	);
2810	}	3792	}
2811		3793
2812	sub reload_treasures {	3794	sub reload_treasures {
2813	load_resource_file "$DATADIR/treasures"	3795	load_resource_file "$DATADIR/treasures"
2814	or die "unable to load treasurelists\n";	3796	or die "unable to load treasurelists\n";
2815	}	3797	}
2816		3798
		3799	sub reload_sound {
		3800	trace "loading sound config from $DATADIR/sound\n";
		3801
		3802	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3803
		3804	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3805	my $sound = $soundconf->{compat}[$_]
		3806	or next;
		3807
		3808	my $face = cf::face::find "sound/$sound->[1]";
		3809	cf::sound::set $sound->[0] => $face;
		3810	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3811	}
		3812
		3813	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3814	my $face = cf::face::find "sound/$v";
		3815	cf::sound::set $k => $face;
		3816	}
		3817	}
		3818
2817	sub reload_resources {	3819	sub reload_resources {
2818	warn "reloading resource files...\n";	3820	trace "reloading resource files...\n";
2819		3821
		3822	reload_materials;
		3823	reload_facedata;
		3824	reload_exp_table;
		3825	reload_sound;
		3826	reload_archetypes;
2820	reload_regions;	3827	reload_regions;
2821	reload_facedata;
2822	#reload_archetypes;#d#
2823	reload_archetypes;
2824	reload_treasures;	3828	reload_treasures;
2825		3829
2826	warn "finished reloading resource files\n";	3830	trace "finished reloading resource files\n";
2827	}	3831	}
2828		3832
2829	sub init {	3833	sub reload_config {
2830	reload_resources;	3834	trace "reloading config file...\n";
2831	}
2832		3835
2833	sub cfg_load {	3836	my $config = load_file "$CONFDIR/config";
2834	open my $fh, "<:utf8", "$CONFDIR/config"	3837	utf8::decode $config;
2835	or return;	3838	*CFG = decode_yaml $config;
2836		3839
2837	local $/;
2838	*CFG = YAML::Syck::Load <$fh>;
2839
2840	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3840	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2841		3841
2842	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3842	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2843	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3843	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2844		3844
2845	if (exists $CFG{mlockall}) {	3845	if (exists $CFG{mlockall}) {
…		…
2849	};	3849	};
2850	warn $@ if $@;	3850	warn $@ if $@;
2851	}	3851	}
2852	}	3852	}
2853		3853
		3854	sub pidfile() {
		3855	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3856	or die "$PIDFILE: $!";
		3857	flock $fh, &Fcntl::LOCK_EX
		3858	or die "$PIDFILE: flock: $!";
		3859	$fh
		3860	}
		3861
		3862	# make sure only one server instance is running at any one time
		3863	sub atomic {
		3864	my $fh = pidfile;
		3865
		3866	my $pid = <$fh>;
		3867	kill 9, $pid if $pid > 0;
		3868
		3869	seek $fh, 0, 0;
		3870	print $fh $$;
		3871	}
		3872
		3873	sub main_loop {
		3874	trace "EV::loop starting\n";
		3875	if (1) {
		3876	EV::loop;
		3877	}
		3878	trace "EV::loop returned\n";
		3879	goto &main_loop unless $REALLY_UNLOOP;
		3880	}
		3881
2854	sub main {	3882	sub main {
		3883	cf::init_globals; # initialise logging
		3884
		3885	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3886	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3887	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3888	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3889
		3890	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3891
2855	# we must not ever block the main coroutine	3892	# we must not ever block the main coroutine
2856	local $Coro::idle = sub {	3893	$Coro::idle = sub {
2857	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3894	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2858	(async {	3895	(async {
2859	Event::one_event;	3896	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3897	EV::loop EV::LOOP_ONESHOT;
2860	})->prio (Coro::PRIO_MAX);	3898	})->prio (Coro::PRIO_MAX);
2861	};	3899	};
2862		3900
2863	cfg_load;	3901	evthread_start IO::AIO::poll_fileno;
		3902
		3903	cf::sync_job {
		3904	cf::incloader::init ();
		3905
2864	db_init;	3906	db_init;
		3907
		3908	cf::init_anim;
		3909	cf::init_attackmess;
		3910	cf::init_dynamic;
		3911
		3912	cf::load_settings;
		3913
		3914	reload_resources;
		3915	reload_config;
		3916
		3917	cf::init_uuid;
		3918	cf::init_signals;
		3919	cf::init_skills;
		3920
		3921	cf::init_beforeplay;
		3922
		3923	atomic;
		3924
2865	load_extensions;	3925	load_extensions;
2866		3926
2867	$TICK_WATCHER->start;	3927	utime time, time, $RUNTIMEFILE;
2868	Event::loop;	3928
		3929	# no (long-running) fork's whatsoever before this point(!)
		3930	use POSIX ();
		3931	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3932
		3933	cf::_post_init 0;
		3934	};
		3935
		3936	cf::object::thawer::errors_are_fatal 0;
		3937	info "parse errors in files are no longer fatal from this point on.\n";
		3938
		3939	AE::postpone {
		3940	undef &main; # free gobs of memory :)
		3941	};
		3942
		3943	goto &main_loop;
2869	}	3944	}
2870		3945
2871	#############################################################################	3946	#############################################################################
2872	# initialisation and cleanup	3947	# initialisation and cleanup
2873		3948
2874	# install some emergency cleanup handlers	3949	# install some emergency cleanup handlers
2875	BEGIN {	3950	BEGIN {
		3951	our %SIGWATCHER = ();
2876	for my $signal (qw(INT HUP TERM)) {	3952	for my $signal (qw(INT HUP TERM)) {
2877	Event->signal (	3953	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2878	reentrant => 0,
2879	data => WF_AUTOCANCEL,
2880	signal => $signal,
2881	prio => 0,
2882	cb => sub {
2883	cf::cleanup "SIG$signal";	3954	cf::cleanup "SIG$signal";
2884	},
2885	);	3955	};
2886	}	3956	}
2887	}	3957	}
2888		3958
2889	sub write_runtime {	3959	sub write_runtime_sync {
2890	my $runtime = "$LOCALDIR/runtime";	3960	my $t0 = AE::time;
2891		3961
2892	# first touch the runtime file to show we are still running:	3962	# first touch the runtime file to show we are still running:
2893	# the fsync below can take a very very long time.	3963	# the fsync below can take a very very long time.
2894		3964
2895	IO::AIO::aio_utime $runtime, undef, undef;	3965	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2896		3966
2897	my $guard = cf::lock_acquire "write_runtime";	3967	my $guard = cf::lock_acquire "write_runtime";
2898		3968
2899	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3969	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2900	or return;	3970	or return;
2901		3971
2902	my $value = $cf::RUNTIME + 90 + 10;	3972	my $value = $cf::RUNTIME + 90 + 10;
2903	# 10 is the runtime save interval, for a monotonic clock	3973	# 10 is the runtime save interval, for a monotonic clock
2904	# 60 allows for the watchdog to kill the server.	3974	# 60 allows for the watchdog to kill the server.
…		…
2914	aio_utime $fh, undef, undef;	3984	aio_utime $fh, undef, undef;
2915		3985
2916	close $fh	3986	close $fh
2917	or return;	3987	or return;
2918		3988
2919	aio_rename "$runtime~", $runtime	3989	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2920	and return;	3990	and return;
2921		3991
2922	warn "runtime file written.\n";	3992	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2923		3993
2924	1	3994	1
		3995	}
		3996
		3997	our $uuid_lock;
		3998	our $uuid_skip;
		3999
		4000	sub write_uuid_sync($) {
		4001	$uuid_skip ||= $_[0];
		4002
		4003	return if $uuid_lock;
		4004	local $uuid_lock = 1;
		4005
		4006	my $uuid = "$LOCALDIR/uuid";
		4007
		4008	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4009	or return;
		4010
		4011	my $value = uuid_seq uuid_cur;
		4012
		4013	unless ($value) {
		4014	info "cowardly refusing to write zero uuid value!\n";
		4015	return;
		4016	}
		4017
		4018	my $value = uuid_str $value + $uuid_skip;
		4019	$uuid_skip = 0;
		4020
		4021	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4022	and return;
		4023
		4024	# always fsync - this file is important
		4025	aio_fsync $fh
		4026	and return;
		4027
		4028	close $fh
		4029	or return;
		4030
		4031	aio_rename "$uuid~", $uuid
		4032	and return;
		4033
		4034	trace "uuid file written ($value).\n";
		4035
		4036	1
		4037
		4038	}
		4039
		4040	sub write_uuid($$) {
		4041	my ($skip, $sync) = @_;
		4042
		4043	$sync ? write_uuid_sync $skip
		4044	: async { write_uuid_sync $skip };
2925	}	4045	}
2926		4046
2927	sub emergency_save() {	4047	sub emergency_save() {
2928	my $freeze_guard = cf::freeze_mainloop;	4048	my $freeze_guard = cf::freeze_mainloop;
2929		4049
2930	warn "enter emergency perl save\n";	4050	info "emergency_perl_save: enter\n";
		4051
		4052	# this is a trade-off: we want to be very quick here, so
		4053	# save all maps without fsync, and later call a global sync
		4054	# (which in turn might be very very slow)
		4055	local $USE_FSYNC = 0;
2931		4056
2932	cf::sync_job {	4057	cf::sync_job {
		4058	cf::write_runtime_sync; # external watchdog should not bark
		4059
2933	# use a peculiar iteration method to avoid tripping on perl	4060	# use a peculiar iteration method to avoid tripping on perl
2934	# refcount bugs in for. also avoids problems with players	4061	# refcount bugs in for. also avoids problems with players
2935	# and maps saved/destroyed asynchronously.	4062	# and maps saved/destroyed asynchronously.
2936	warn "begin emergency player save\n";	4063	info "emergency_perl_save: begin player save\n";
2937	for my $login (keys %cf::PLAYER) {	4064	for my $login (keys %cf::PLAYER) {
2938	my $pl = $cf::PLAYER{$login} or next;	4065	my $pl = $cf::PLAYER{$login} or next;
2939	$pl->valid or next;	4066	$pl->valid or next;
		4067	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2940	$pl->save;	4068	$pl->save;
2941	}	4069	}
2942	warn "end emergency player save\n";	4070	info "emergency_perl_save: end player save\n";
2943		4071
2944	warn "begin emergency map save\n";	4072	cf::write_runtime_sync; # external watchdog should not bark
		4073
		4074	info "emergency_perl_save: begin map save\n";
2945	for my $path (keys %cf::MAP) {	4075	for my $path (keys %cf::MAP) {
2946	my $map = $cf::MAP{$path} or next;	4076	my $map = $cf::MAP{$path} or next;
2947	$map->valid or next;	4077	$map->valid or next;
2948	$map->save;	4078	$map->save;
2949	}	4079	}
2950	warn "end emergency map save\n";	4080	info "emergency_perl_save: end map save\n";
2951		4081
2952	warn "begin emergency database checkpoint\n";	4082	cf::write_runtime_sync; # external watchdog should not bark
		4083
		4084	info "emergency_perl_save: begin database checkpoint\n";
2953	BDB::db_env_txn_checkpoint $DB_ENV;	4085	BDB::db_env_txn_checkpoint $DB_ENV;
2954	warn "end emergency database checkpoint\n";	4086	info "emergency_perl_save: end database checkpoint\n";
		4087
		4088	info "emergency_perl_save: begin write uuid\n";
		4089	write_uuid_sync 1;
		4090	info "emergency_perl_save: end write uuid\n";
		4091
		4092	cf::write_runtime_sync; # external watchdog should not bark
		4093
		4094	trace "emergency_perl_save: syncing database to disk";
		4095	BDB::db_env_txn_checkpoint $DB_ENV;
		4096
		4097	info "emergency_perl_save: starting sync\n";
		4098	IO::AIO::aio_sync sub {
		4099	info "emergency_perl_save: finished sync\n";
		4100	};
		4101
		4102	cf::write_runtime_sync; # external watchdog should not bark
		4103
		4104	trace "emergency_perl_save: flushing outstanding aio requests";
		4105	while (IO::AIO::nreqs || BDB::nreqs) {
		4106	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4107	}
		4108
		4109	cf::write_runtime_sync; # external watchdog should not bark
2955	};	4110	};
2956		4111
2957	warn "leave emergency perl save\n";	4112	info "emergency_perl_save: leave\n";
2958	}	4113	}
2959		4114
2960	sub post_cleanup {	4115	sub post_cleanup {
2961	my ($make_core) = @_;	4116	my ($make_core) = @_;
2962		4117
		4118	IO::AIO::flush;
		4119
2963	warn Carp::longmess "post_cleanup backtrace"	4120	error Carp::longmess "post_cleanup backtrace"
2964	if $make_core;	4121	if $make_core;
		4122
		4123	my $fh = pidfile;
		4124	unlink $PIDFILE if <$fh> == $$;
		4125	}
		4126
		4127	# a safer delete_package, copied from Symbol
		4128	sub clear_package($) {
		4129	my $pkg = shift;
		4130
		4131	# expand to full symbol table name if needed
		4132	unless ($pkg =~ /^main::.*::$/) {
		4133	$pkg = "main$pkg" if $pkg =~ /^::/;
		4134	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4135	$pkg .= '::' unless $pkg =~ /::$/;
		4136	}
		4137
		4138	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4139	my $stem_symtab = *{$stem}{HASH};
		4140
		4141	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4142	or return;
		4143
		4144	# clear all symbols
		4145	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4146	for my $name (keys %$leaf_symtab) {
		4147	_gv_clear *{"$pkg$name"};
		4148	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4149	}
2965	}	4150	}
2966		4151
2967	sub do_reload_perl() {	4152	sub do_reload_perl() {
2968	# can/must only be called in main	4153	# can/must only be called in main
2969	if ($Coro::current != $Coro::main) {	4154	unless (in_main) {
2970	warn "can only reload from main coroutine";	4155	error "can only reload from main coroutine";
2971	return;	4156	return;
2972	}	4157	}
2973		4158
2974	warn "reloading...";	4159	return if $RELOAD++;
2975		4160
2976	warn "entering sync_job";	4161	my $t1 = AE::time;
2977		4162
		4163	while ($RELOAD) {
		4164	cf::get_slot 0.1, -1, "reload_perl";
		4165	info "perl_reload: reloading...";
		4166
		4167	trace "perl_reload: entering sync_job";
		4168
2978	cf::sync_job {	4169	cf::sync_job {
2979	cf::write_runtime; # external watchdog should not bark
2980	cf::emergency_save;	4170	#cf::emergency_save;
2981	cf::write_runtime; # external watchdog should not bark
2982		4171
2983	warn "syncing database to disk";
2984	BDB::db_env_txn_checkpoint $DB_ENV;
2985
2986	# if anything goes wrong in here, we should simply crash as we already saved
2987
2988	warn "cancelling all WF_AUTOCANCEL watchers";
2989	for (Event::all_watchers) {
2990	$_->cancel if $_->data & WF_AUTOCANCEL;
2991	}
2992
2993	warn "flushing outstanding aio requests";
2994	for (;;) {
2995	BDB::flush;
2996	IO::AIO::flush;
2997	Coro::cede;
2998	last unless IO::AIO::nreqs || BDB::nreqs;
2999	warn "iterate...";
3000	}
3001
3002	++$RELOAD;
3003
3004	warn "cancelling all extension coros";	4172	trace "perl_reload: cancelling all extension coros";
3005	$_->cancel for values %EXT_CORO;	4173	$_->cancel for values %EXT_CORO;
3006	%EXT_CORO = ();	4174	%EXT_CORO = ();
3007		4175
3008	warn "removing commands";	4176	trace "perl_reload: removing commands";
3009	%COMMAND = ();	4177	%COMMAND = ();
3010		4178
3011	warn "removing ext/exti commands";	4179	trace "perl_reload: removing ext/exti commands";
3012	%EXTCMD = ();	4180	%EXTCMD = ();
3013	%EXTICMD = ();	4181	%EXTICMD = ();
3014		4182
3015	warn "unloading/nuking all extensions";	4183	trace "perl_reload: unloading/nuking all extensions";
3016	for my $pkg (@EXTS) {	4184	for my $pkg (@EXTS) {
3017	warn "... unloading $pkg";	4185	trace "... unloading $pkg";
3018		4186
3019	if (my $cb = $pkg->can ("unload")) {	4187	if (my $cb = $pkg->can ("unload")) {
3020	eval {	4188	eval {
3021	$cb->($pkg);	4189	$cb->($pkg);
3022	1	4190	1
3023	} or warn "$pkg unloaded, but with errors: $@";	4191	} or error "$pkg unloaded, but with errors: $@";
		4192	}
		4193
		4194	trace "... clearing $pkg";
		4195	clear_package $pkg;
3024	}	4196	}
3025		4197
3026	warn "... nuking $pkg";
3027	Symbol::delete_package $pkg;
3028	}
3029
3030	warn "unloading all perl modules loaded from $LIBDIR";	4198	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3031	while (my ($k, $v) = each %INC) {	4199	while (my ($k, $v) = each %INC) {
3032	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4200	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3033		4201
3034	warn "... unloading $k";	4202	trace "... unloading $k";
3035	delete $INC{$k};	4203	delete $INC{$k};
3036		4204
3037	$k =~ s/\.pm$//;	4205	$k =~ s/\.pm$//;
3038	$k =~ s/\//::/g;	4206	$k =~ s/\//::/g;
3039		4207
3040	if (my $cb = $k->can ("unload_module")) {	4208	if (my $cb = $k->can ("unload_module")) {
3041	$cb->();	4209	$cb->();
		4210	}
		4211
		4212	clear_package $k;
3042	}	4213	}
3043		4214
3044	Symbol::delete_package $k;
3045	}
3046
3047	warn "getting rid of safe::, as good as possible";	4215	trace "perl_reload: getting rid of safe::, as good as possible";
3048	Symbol::delete_package "safe::$_"	4216	clear_package "safe::$_"
3049	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4217	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3050		4218
3051	warn "unloading cf.pm \"a bit\"";	4219	trace "perl_reload: unloading cf.pm \"a bit\"";
3052	delete $INC{"cf.pm"};	4220	delete $INC{"cf.pm"};
3053	delete $INC{"cf/pod.pm"};	4221	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3054		4222
3055	# don't, removes xs symbols, too,	4223	# don't, removes xs symbols, too,
3056	# and global variables created in xs	4224	# and global variables created in xs
3057	#Symbol::delete_package __PACKAGE__;	4225	#clear_package __PACKAGE__;
3058		4226
3059	warn "unload completed, starting to reload now";	4227	info "perl_reload: unload completed, starting to reload now";
3060		4228
3061	warn "reloading cf.pm";	4229	trace "perl_reload: reloading cf.pm";
3062	require cf;	4230	require cf;
3063	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4231	cf::_connect_to_perl_1;
3064		4232
3065	warn "loading config and database again";	4233	trace "perl_reload: loading config and database again";
3066	cf::cfg_load;	4234	cf::reload_config;
3067		4235
3068	warn "loading extensions";	4236	trace "perl_reload: loading extensions";
3069	cf::load_extensions;	4237	cf::load_extensions;
3070		4238
		4239	if ($REATTACH_ON_RELOAD) {
3071	warn "reattaching attachments to objects/players";	4240	trace "perl_reload: reattaching attachments to objects/players";
3072	_global_reattach; # objects, sockets	4241	_global_reattach; # objects, sockets
3073	warn "reattaching attachments to maps";	4242	trace "perl_reload: reattaching attachments to maps";
3074	reattach $_ for values %MAP;	4243	reattach $_ for values %MAP;
3075	warn "reattaching attachments to players";	4244	trace "perl_reload: reattaching attachments to players";
3076	reattach $_ for values %PLAYER;	4245	reattach $_ for values %PLAYER;
		4246	}
3077		4247
3078	warn "leaving sync_job";	4248	cf::_post_init 1;
3079		4249
		4250	trace "perl_reload: leaving sync_job";
		4251
3080	1	4252	1
3081	} or do {	4253	} or do {
3082	warn $@;	4254	error $@;
3083	warn "error while reloading, exiting.";	4255	cf::cleanup "perl_reload: error, exiting.";
3084	exit 1;	4256	};
		4257
		4258	--$RELOAD;
3085	};	4259	}
3086		4260
3087	warn "reloaded";	4261	$t1 = AE::time - $t1;
		4262	info "perl_reload: completed in ${t1}s\n";
3088	};	4263	};
3089		4264
3090	our $RELOAD_WATCHER; # used only during reload	4265	our $RELOAD_WATCHER; # used only during reload
3091		4266
3092	sub reload_perl() {	4267	sub reload_perl() {
3093	# doing reload synchronously and two reloads happen back-to-back,	4268	# doing reload synchronously and two reloads happen back-to-back,
3094	# coro crashes during coro_state_free->destroy here.	4269	# coro crashes during coro_state_free->destroy here.
3095		4270
3096	$RELOAD_WATCHER ||= Event->timer (	4271	$RELOAD_WATCHER ||= cf::async {
3097	reentrant => 0,	4272	Coro::AIO::aio_wait cache_extensions;
3098	after => 0,	4273
3099	data => WF_AUTOCANCEL,	4274	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3100	cb => sub {
3101	do_reload_perl;	4275	do_reload_perl;
3102	undef $RELOAD_WATCHER;	4276	undef $RELOAD_WATCHER;
3103	},	4277	};
3104	);	4278	};
3105	}	4279	}
3106		4280
3107	register_command "reload" => sub {	4281	register_command "reload" => sub {
3108	my ($who, $arg) = @_;	4282	my ($who, $arg) = @_;
3109		4283
3110	if ($who->flag (FLAG_WIZ)) {	4284	if ($who->flag (FLAG_WIZ)) {
3111	$who->message ("reloading server.");	4285	$who->message ("reloading server.");
		4286	async {
		4287	$Coro::current->{desc} = "perl_reload";
3112	async { reload_perl };	4288	reload_perl;
		4289	};
3113	}	4290	}
3114	};	4291	};
3115		4292
3116	unshift @INC, $LIBDIR;	4293	#############################################################################
3117		4294
3118	my $bug_warning = 0;	4295	my $bug_warning = 0;
3119		4296
3120	our @WAIT_FOR_TICK;
3121	our @WAIT_FOR_TICK_BEGIN;
3122
3123	sub wait_for_tick {	4297	sub wait_for_tick() {
3124	return unless $TICK_WATCHER->is_active;	4298	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3125	return if $Coro::current == $Coro::main;
3126		4299
3127	my $signal = new Coro::Signal;	4300	$WAIT_FOR_TICK->wait;
3128	push @WAIT_FOR_TICK, $signal;
3129	$signal->wait;
3130	}	4301	}
3131		4302
3132	sub wait_for_tick_begin {	4303	sub wait_for_tick_begin() {
3133	return unless $TICK_WATCHER->is_active;	4304	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3134	return if $Coro::current == $Coro::main;
3135		4305
3136	my $signal = new Coro::Signal;	4306	my $signal = new Coro::Signal;
3137	push @WAIT_FOR_TICK_BEGIN, $signal;	4307	push @WAIT_FOR_TICK_BEGIN, $signal;
3138	$signal->wait;	4308	$signal->wait;
3139	}	4309	}
3140		4310
3141	my $min = 1e6;#d#	4311	sub tick {
3142	my $avg = 10;
3143	$TICK_WATCHER = Event->timer (
3144	reentrant => 0,
3145	parked => 1,
3146	prio => 0,
3147	at => $NEXT_TICK || $TICK,
3148	data => WF_AUTOCANCEL,
3149	cb => sub {
3150	if ($Coro::current != $Coro::main) {	4312	if ($Coro::current != $Coro::main) {
3151	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4313	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3152	unless ++$bug_warning > 10;	4314	unless ++$bug_warning > 10;
3153	return;	4315	return;
3154	}	4316	}
3155		4317
3156	$NOW = $tick_start = Event::time;	4318	cf::one_tick; # one server iteration
3157		4319
3158	cf::server_tick; # one server iteration	4320	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3159		4321
3160	0 && sync_job {#d#	4322	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3161	for(1..10) {	4323	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3162	my $t = Event::time;	4324	Coro::async_pool {
3163	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4325	$Coro::current->{desc} = "runtime saver";
3164	or die;	4326	write_runtime_sync
3165		4327	or error "ERROR: unable to write runtime file: $!";
3166	$map->width (50);
3167	$map->height (50);
3168	$map->alloc;
3169	$map->_load_objects ("/tmp/x.map", 1);
3170	my $t = Event::time - $t;
3171
3172	#next unless $t < 0.0013;#d#
3173	if ($t < $min) {
3174	$min = $t;
3175	}
3176	$avg = $avg * 0.99 + $t * 0.01;
3177	}
3178	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3179	exit 0;
3180	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3181	};	4328	};
		4329	}
3182		4330
3183	$RUNTIME += $TICK;
3184	$NEXT_TICK += $TICK;
3185
3186	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3187	$NEXT_RUNTIME_WRITE = $NOW + 10;
3188	Coro::async_pool {
3189	write_runtime
3190	or warn "ERROR: unable to write runtime file: $!";
3191	};
3192	}
3193
3194	# my $AFTER = Event::time;
3195	# warn $AFTER - $NOW;#d#
3196
3197	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4331	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3198	$sig->send;	4332	$sig->send;
3199	}	4333	}
3200	while (my $sig = shift @WAIT_FOR_TICK) {	4334	$WAIT_FOR_TICK->broadcast;
3201	$sig->send;
3202	}
3203		4335
3204	$NOW = Event::time;	4336	$LOAD = ($NOW - $TICK_START) / $TICK;
3205
3206	# if we are delayed by four ticks or more, skip them all
3207	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3208
3209	$TICK_WATCHER->at ($NEXT_TICK);
3210	$TICK_WATCHER->start;
3211
3212	$LOAD = ($NOW - $tick_start) / $TICK;
3213	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4337	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3214		4338
3215	_post_tick;	4339	if (0) {
3216		4340	if ($NEXT_TICK) {
3217		4341	my $jitter = $TICK_START - $NEXT_TICK;
		4342	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4343	debug "jitter $JITTER\n";#d#
		4344	}
3218	},	4345	}
3219	);	4346	}
3220		4347
3221	{	4348	{
3222	BDB::max_poll_time $TICK * 0.1;	4349	# configure BDB
3223	$BDB_POLL_WATCHER = Event->io (	4350	info "initialising database";
3224	reentrant => 0,	4351
3225	fd => BDB::poll_fileno,
3226	poll => 'r',
3227	prio => 0,
3228	data => WF_AUTOCANCEL,
3229	cb => \&BDB::poll_cb,
3230	);
3231	BDB::min_parallel 8;	4352	BDB::min_parallel 16;
3232		4353	BDB::max_poll_reqs $TICK * 0.1;
3233	BDB::set_sync_prepare {	4354	#$AnyEvent::BDB::WATCHER->priority (1);
3234	my $status;
3235	my $current = $Coro::current;
3236	(
3237	sub {
3238	$status = $!;
3239	$current->ready; undef $current;
3240	},
3241	sub {
3242	Coro::schedule while defined $current;
3243	$! = $status;
3244	},
3245	)
3246	};
3247		4355
3248	unless ($DB_ENV) {	4356	unless ($DB_ENV) {
3249	$DB_ENV = BDB::db_env_create;	4357	$DB_ENV = BDB::db_env_create;
		4358	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4359	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4360	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4361	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4362	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3250		4363
3251	cf::sync_job {	4364	cf::sync_job {
3252	eval {	4365	eval {
3253	BDB::db_env_open	4366	BDB::db_env_open
3254	$DB_ENV,	4367	$DB_ENV,
…		…
3256	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4369	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3257	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4370	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3258	0666;	4371	0666;
3259		4372
3260	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4373	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3261
3262	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3263	$DB_ENV->set_lk_detect;
3264	};	4374	};
3265		4375
3266	cf::cleanup "db_env_open(db): $@" if $@;	4376	cf::cleanup "db_env_open(db): $@" if $@;
3267	};	4377	};
3268	}	4378	}
		4379
		4380	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4381	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4382	};
		4383	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4384	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4385	};
		4386	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4387	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4388	};
		4389
		4390	info "database initialised";
3269	}	4391	}
3270		4392
3271	{	4393	{
		4394	# configure IO::AIO
		4395
		4396	info "initialising aio";
3272	IO::AIO::min_parallel 8;	4397	IO::AIO::min_parallel 8;
3273
3274	undef $Coro::AIO::WATCHER;
3275	IO::AIO::max_poll_time $TICK * 0.1;	4398	IO::AIO::max_poll_time $TICK * 0.1;
3276	$AIO_POLL_WATCHER = Event->io (	4399	undef $AnyEvent::AIO::WATCHER;
3277	reentrant => 0,	4400	info "aio initialised";
3278	data => WF_AUTOCANCEL,
3279	fd => IO::AIO::poll_fileno,
3280	poll => 'r',
3281	prio => 6,
3282	cb => \&IO::AIO::poll_cb,
3283	);
3284	}	4401	}
3285		4402
3286	my $_log_backtrace;	4403	our $_log_backtrace;
		4404	our $_log_backtrace_last;
3287		4405
3288	sub _log_backtrace {	4406	sub _log_backtrace {
3289	my ($msg, @addr) = @_;	4407	my ($msg, @addr) = @_;
3290		4408
3291	$msg =~ s/\n//;	4409	$msg =~ s/\n$//;
3292		4410
		4411	if ($_log_backtrace_last eq $msg) {
		4412	LOG llevInfo, "[ABT] $msg\n";
		4413	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3293	# limit the # of concurrent backtraces	4414	# limit the # of concurrent backtraces
3294	if ($_log_backtrace < 2) {	4415	} elsif ($_log_backtrace < 2) {
		4416	$_log_backtrace_last = $msg;
3295	++$_log_backtrace;	4417	++$_log_backtrace;
		4418	my $perl_bt = Carp::longmess $msg;
3296	async {	4419	async {
		4420	$Coro::current->{desc} = "abt $msg";
		4421
3297	my @bt = fork_call {	4422	my @bt = fork_call {
3298	@addr = map { sprintf "%x", $_ } @addr;	4423	@addr = map { sprintf "%x", $_ } @addr;
3299	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4424	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3300	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4425	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3301	or die "addr2line: $!";	4426	or die "addr2line: $!";
…		…
3309	}	4434	}
3310		4435
3311	@funcs	4436	@funcs
3312	};	4437	};
3313		4438
3314	LOG llevInfo, "[ABT] $msg\n";	4439	LOG llevInfo, "[ABT] $perl_bt\n";
		4440	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3315	LOG llevInfo, "[ABT] $_\n" for @bt;	4441	LOG llevInfo, "[ABT] $_\n" for @bt;
3316	--$_log_backtrace;	4442	--$_log_backtrace;
3317	};	4443	};
3318	} else {	4444	} else {
3319	LOG llevInfo, "[ABT] $msg\n";	4445	LOG llevInfo, "[ABT] $msg\n";
3320	LOG llevInfo, "[ABT] [suppressed]\n";	4446	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3321	}	4447	}
3322	}	4448	}
3323		4449
3324	# load additional modules	4450	# load additional modules
3325	use cf::pod;	4451	require "cf/$_.pm" for @EXTRA_MODULES;
		4452	cf::_connect_to_perl_2;
3326		4453
3327	END { cf::emergency_save }	4454	END { cf::emergency_save }
3328		4455
3329	1	4456	1
3330		4457

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