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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.318 by root, Tue Jul 24 04:55:34 2007 UTC vs.
Revision 1.607 by root, Sun Nov 18 09:29:25 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
25	use JSON::XS 1.4 ();	57	use JSON::XS 2.01 ();
26	use BDB ();	58	use BDB ();
27	use Data::Dumper;	59	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	60	use Fcntl;
30	use YAML::Syck ();	61	use YAML::XS ();
31	use IO::AIO 2.32 ();	62	use IO::AIO ();
32	use Time::HiRes;
33	use Compress::LZF;	63	use Compress::LZF;
34	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
35		67
36	# configure various modules to our taste	68	# configure various modules to our taste
37	#	69	#
38	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		78
42	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
43		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		81
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
50		85
51	our %COMMAND = ();	86	our %COMMAND = ();
52	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
53		88
54	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
56	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
59		96
60	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
62		101
63	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
64	our $DATADIR = datadir;	104	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
68	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
74		125
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
80	our $NOW;	144	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		145
83	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
84	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
85
86	our %CFG;
87
88	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;
90
91	our %PLAYER; # all users
92	our %MAP; # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
94		149
95	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		152
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
101		165
102	binmode STDOUT;	166	binmode STDOUT;
103	binmode STDERR;	167	binmode STDERR;
104		168
105	# read virtual server time, if available	169	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
110	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
111		177
112	mkdir $_	178	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		180
115	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
116		182
117	sub cf::map::normalise;	183	sub cf::map::normalise;
118		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
119	#############################################################################	189	#############################################################################
120		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
121	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
122		203
123	=over 4	204	=over 4
124		205
125	=item $cf::UPTIME	206	=item $cf::UPTIME
126		207
127	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
128		224
129	=item $cf::RUNTIME	225	=item $cf::RUNTIME
130		226
131	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
132	every server tick.	228	every server tick.
133		229
134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
137		233
138	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
140	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
141	database environment.	237	database environment.
142		238
143	=item $cf::NOW
144
145	The time of the last (current) server tick.
146
147	=item $cf::TICK
148
149	The interval between server ticks, in seconds.
150
151	=item $cf::LOADAVG	239	=item $cf::LOADAVG
152		240
153	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
154	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
155	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
158		246
159	The raw value load value from the last tick.	247	The raw value load value from the last tick.
160		248
161	=item %cf::CFG	249	=item %cf::CFG
162		250
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	252	from wherever your confdir points to.
165		253
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		255
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
169	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
171		277
172	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
173		279
174	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	282	that call.
177		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
178	=back	290	=back
179		291
180	=cut	292	=cut
181		293
182	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
183	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
184	my $msg = join "", @_;	301	my $msg = join "", @_;
185		302
186	$msg .= "\n"	303	$msg .= "\n"
187	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
188		305
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		307
191	utf8::encode $msg;
192	LOG llevError, $msg;	308	LOG llevWarn, $msg;
193	};	309	};
194	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
195		324
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	335	for my $pkg (qw(
207	cf::global cf::attachable	336	cf::global cf::attachable
208	cf::object cf::object::player	337	cf::object cf::object::player
209	cf::client cf::player	338	cf::client cf::player
210	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
211	cf::map cf::party cf::region	341	cf::party cf::region
212	)) {	342	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	344	}
216		345
217	$Event::DIED = sub {	346	$EV::DIED = sub {
218	warn "error in event callback: @_";	347	warn "error in event callback: $@";
219	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
220		354
221	#############################################################################	355	#############################################################################
222		356
223	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
224		358
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	380	$d
247	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
248	}	382	}
249		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
250	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
251		437
252	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
253		439
254	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
255		441
256	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
257		443
258	=cut	444	=cut
259		445
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		447
262	sub to_json ($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
264		512
265	=item cf::lock_wait $string	513	=item cf::lock_wait $string
266		514
267	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
268		516
269	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
270		518
271	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
274	returned.	522	returned.
275		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
276	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
278		529
279	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
280		531
281	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
282		533
283	=cut	534	=cut
284		535
285	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
286		537
287	sub lock_wait($) {	538	sub lock_wait($) {
288	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	540	}
296		541
297	sub lock_acquire($) {	542	sub lock_acquire($) {
298	my ($key) = @_;	543	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	544	}
310		545
311	sub lock_active($) {	546	sub lock_active($) {
312	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	548	}
316		549
317	sub freeze_mainloop {	550	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
319		552
320	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	554	}
322	};	555
323	$TICK_WATCHER->stop;	556	=item cf::periodic $interval, $cb
324	$guard	557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
325	}	569	}
326		570
327	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
328		572
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
330	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
331	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
332		580
333	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
334	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
335		583
336	Useful for short background jobs.	584	Useful for short background jobs.
337		585
338	=cut	586	=cut
339		587
340	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
342		591
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
345	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
346		598
347	while () {	599	while () {
348	next_job:	600	next_job:
		601
349	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
350	if ($avail > 0.01) {	603
351	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
352	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
353	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
354	$job->[2]->send;	608	$job->[2]->send;
355	Coro::cede;	609	Coro::cede;
356	goto next_job;	610	goto next_job;
357	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358	}	613	}
359	}	614	}
360		615
361	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
364	$signal->wait;
365	} else {	619	} else {
		620	$busy = 0;
366	Coro::schedule;	621	Coro::schedule;
367	}	622	}
368	}	623	}
369	};	624	};
370		625
371	sub get_slot($;$$) {	626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
372	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
373		630
374	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
375	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
376		634
377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
390		648
391	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
392		650
393	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
394		652
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
396	is always able to handle events or runnable, as Crossfire TRT is only	654	is always able to handle events or runnable, as Deliantra is only
397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398	acceptable.	656	acceptable.
399		657
400	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
401	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
…		…
405	=cut	663	=cut
406		664
407	sub sync_job(&) {	665	sub sync_job(&) {
408	my ($job) = @_;	666	my ($job) = @_;
409		667
410	if ($Coro::current == $Coro::main) {	668	if (in_main) {
411	my $time = Event::time;	669	my $time = AE::time;
412		670
413	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
415		673
416	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	675
418	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
419		677
420	my $busy = 1;	678	my $busy = 1;
421	my @res;	679	my @res;
422		680
423	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	683	@res = eval { $job->() };
425	warn $@ if $@;	684	error $@ if $@;
426	undef $busy;	685	undef $busy;
427	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
428		687
429	while ($busy) {	688	while ($busy) {
430	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
431	}	693	}
		694	}
432		695
433	$time = Event::time - $time;	696	my $time = AE::time - $time;
434		697
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
439		699
440	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
441	} else {	701	} else {
442	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
443		703
…		…
463	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
464		724
465	$coro	725	$coro
466	}	726	}
467		727
468	=item fork_call { }, $args	728	=item fork_call { }, @args
469		729
470	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
471	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
472	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
473	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
474		734
475	=cut	735	=cut
476		736
477	sub _store_scalar {	737	sub post_fork {
478	open my $fh, ">", \my $buf	738	reset_signals;
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}	739	}
485		740
486	sub fork_call(&@) {	741	sub fork_call(&@) {
487	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
488		743
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	744	my @res = Coro::Util::fork_eval {
490	# or die "socketpair: $!";	745	cf::post_fork;
491	pipe my $fh1, my $fh2	746	&$cb
492	or die "pipe: $!";	747	} @args;
493		748
494	if (my $pid = fork) {	749	wantarray ? @res : $res[-1]
495	close $fh2;	750	}
496		751
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	752	sub objinfo {
498	warn "pst<$res>" unless $res =~ /^pst/;
499	$res = Coro::Storable::thaw $res;
500
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;
508	local $SIG{__WARN__};
509	local $SIG{__DIE__};
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515
516	eval {
517	close $fh1;
518
519	my @res = eval { $cb->(@args) };
520
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522	close $fh2;
523	};
524
525	warn $@ if $@;
526	_exit 0;
527	}	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
528	}	788	}
529		789
530	=item $value = cf::db_get $family => $key	790	=item $value = cf::db_get $family => $key
531		791
532	Returns a single value from the environment database.	792	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	794	=item cf::db_put $family => $key => $value
535		795
536	Stores the given C<$value> in the family. It can currently store binary	796	Stores the given C<$value> in the family. It can currently store binary
537	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).
538		798
		799	=item $db = cf::db_table "name"
		800
		801	Create and/or open a new database table. The string must not be "db" and must be unique
		802	within each server.
		803
539	=cut	804	=cut
		805
		806	sub db_table($) {
		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	}
540		825
541	our $DB;	826	our $DB;
542		827
543	sub db_init {	828	sub db_init {
544	unless ($DB) {	829	$DB ||= db_table "db";
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {
548	eval {
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}
558	}	830	}
559		831
560	sub db_get($$) {	832	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
562		834
563	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
564	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
565		839
566	$! ? ()	840	$! ? ()
567	: $data	841	: $data
568	}
569	}	842	}
570		843
571	sub db_put($$$) {	844	sub db_put($$$) {
572	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
601		874
602	my @data;	875	my @data;
603	my $md5;	876	my $md5;
604		877
605	for (0 .. $#$src) {	878	for (0 .. $#$src) {
606	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
607	or Carp::croak "$src->[$_]: $!";
608	}	880	}
609		881
610	# if processing is expensive, check	882	# if processing is expensive, check
611	# checksum first	883	# checksum first
612	if (1) {	884	if (1) {
613	$md5 =	885	$md5 =
614	join "\x00",	886	join "\x00",
615	$processversion,	887	$processversion,
616	map {	888	map {
617	Coro::cede;	889	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	890	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	891	} 0.. $#$src;
620		892
621		893
622	my $dbmd5 = db_get cache => "$id/md5";	894	my $dbmd5 = db_get cache => "$id/md5";
…		…
625		897
626	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
627	}	899	}
628	}	900	}
629		901
630	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
631	my $data = $process->(\@data);	903	my $data = $process->(\@data);
632	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
633		905
634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
635		907
636	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
637	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
638	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
639		911
…		…
649		921
650	=cut	922	=cut
651		923
652	sub datalog($@) {	924	sub datalog($@) {
653	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
655	}	927	}
656		928
657	=back	929	=back
658		930
659	=cut	931	=cut
660		932
661	#############################################################################	933	#############################################################################
662		934
663	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
664		936
665	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
666	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")
667	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
668		940
669	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>
670	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
671	Crossfire TRT).	943	Deliantra).
672		944
673	=over 4	945	=over 4
674		946
675	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
676		948
…		…
720	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
721		993
722	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
724		996
725	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
726	that are attached at load/instantiate time, thus the need for a name.	998	that are attached at load/instantiate time, thus the need for a name.
727		999
728	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
729		1001
730	=over 4	1002	=over 4
…		…
854		1126
855	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
856	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
857		1129
858	} elsif (ref $type) {	1130	} elsif (ref $type) {
859	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
860		1132
861	} else {	1133	} else {
862	shift @arg;	1134	shift @arg;
863	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
864	}	1136	}
865	}	1137	}
866	}	1138	}
867		1139
868	sub _object_attach {	1140	sub _object_attach {
…		…
878	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
879	}	1151	}
880		1152
881	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
882	} else {	1154	} else {
883	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
884	}	1156	}
885		1157
886	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
887	}	1159	}
888		1160
…		…
947		1219
948	for (@$callbacks) {	1220	for (@$callbacks) {
949	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
950		1222
951	if ($@) {	1223	if ($@) {
952	warn "$@";
953	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
954	override;	1225	override;
955	}	1226	}
956		1227
957	return 1 if $override;	1228	return 1 if $override;
958	}	1229	}
959		1230
960	0	1231	0
961	}	1232	}
962		1233
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1235
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1237
967	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
968		1239
…		…
974		1245
975	=cut	1246	=cut
976		1247
977	#############################################################################	1248	#############################################################################
978	# object support	1249	# object support
979	#
980		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 $SLOW_MERGES;#d#
981	sub _can_merge {	1284	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1285	my ($ob1, $ob2) = @_;
983		1286
984	local $Storable::canonical = 1;	1287	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1288
988	$fob1 eq $fob2	1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
989	}	1291	}
990		1292
991	sub reattach {	1293	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1295	my ($obj) = @_;
994		1296
		1297	# no longer needed after getting rid of delete_package?
995	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
996		1299
997	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
998		1301
999	@$registry = ();	1302	@$registry = ();
1000		1303
…		…
1005	for (@$attach) {	1308	for (@$attach) {
1006	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
1007	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
1008	}	1311	}
1009	} else {	1312	} else {
1010	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
1011	}	1314	}
1012	}	1315	}
1013	}	1316	}
1014		1317
1015	cf::attachable->attach (	1318	cf::attachable->attach (
1016	prio => -1000000,	1319	prio => -1000000,
1017	on_instantiate => sub {	1320	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
1019		1322
1020	$data = from_json $data;	1323	$data = decode_json $data;
1021		1324
1022	for (@$data) {	1325	for (@$data) {
1023	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
1024		1327
1025	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1344	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1043		1346
1044	sync_job {	1347	sync_job {
1045	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1048		1353
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	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	}
1053	close $fh;	1361	aio_close $fh;
1054		1362
1055	if (@$objs) {	1363	if (@$objs) {
1056	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) {
1057	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1060	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	}
1061	close $fh;	1372	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1374	}
1064	} else {	1375	} else {
1065	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1066	}	1377	}
1067		1378
1068	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1383	} else {
1070	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1071	}	1385	}
1072	} else {	1386	} else {
1073	aio_unlink $filename;	1387	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1075	}	1389	}
1076	}	1390	};
1077	}	1391	}
1078		1392
1079	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
1081		1395
…		…
1093	or return;	1407	or return;
1094		1408
1095	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1411	or return;
		1412
1098	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
1099	}	1415	}
1100		1416
		1417	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
1103	return ($data, $av);	1422	($data, $av)
1104	}	1423	}
1105		1424
1106	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
1107		1426
1108	=over 4	1427	=over 4
…		…
1110	=cut	1429	=cut
1111		1430
1112	#############################################################################	1431	#############################################################################
1113	# command handling &c	1432	# command handling &c
1114		1433
1115	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1116		1435
1117	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
1118	$name.	1437	$name.
1119		1438
1120	=cut	1439	=cut
…		…
1126	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1127		1446
1128	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1129	}	1448	}
1130		1449
1131	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1132		1451
1133	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1134	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
1135	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
1136	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
1137	has logged in successfully.	1456	has logged in successfully.
1138		1457
1139	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1140	called.
1141		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
1142	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1143		1466
1144	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1145	exticmd packet. Exti commands are processed by the server as soon as they	1468	exticmd packet. Exti commands are processed by the server as soon as they
1146	are received, i.e. out of order w.r.t. other commands. The first argument	1469	are received, i.e. out of order w.r.t. other commands. The first argument
1147	is a client socket. Exti commands can be received anytime, even before	1470	is a client socket. Exti commands can be received anytime, even before
1148	log-in.	1471	log-in.
1149		1472
1150	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1151	called.
1152		1474
1153	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1154		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1155	sub register_extcmd {	1482	sub register_extcmd($$) {
1156	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1157		1484
1158	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1159	}	1486	}
1160		1487
1161	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1162	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1163		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1164	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1165	}	1498	}
1166		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1167	cf::player->attach (	1508	cf::player->attach (
1168	on_command => sub {	1509	on_unknown_command => sub {
1169	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1170		1511
1171	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1172	or return;	1513	or return;
1173		1514
…		…
1181	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1182		1523
1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1184		1525
1185	if (ref $msg) {	1526	if (ref $msg) {
1186	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1187	"ARRAY" eq ref $msg
1188	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1528
1191	if (my $cb = $EXTCMD{$type}) {	1529	if (my $cb = $EXTACMD{$type}) {
		1530	$cb->(
		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}) {
1192	my @reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
1193		1544
1194	$pl->ext_reply ($reply, @reply)	1545	$pl->ext_msg ("reply-$reply", @reply)
1195	if $reply;	1546	if $reply;
1196	}	1547	}
		1548
1197	} else {	1549	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1551	}
1200		1552
1201	cf::override;	1553	cf::override;
1202	},	1554	},
1203	);	1555	);
1204		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
1205	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1206	cf::sync_job {	1586	cf::sync_job {
1207	my %todo;	1587	my %todo;
1208		1588
1209	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1210	next unless -r $path;	1590	next unless -r $path;
…		…
1228		1608
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1611
1232	$ext{source} =	1612	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1234	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1235	. $source	1615	. $source
1236	. "\n};\n1";	1616	. "\n};\n1";
1237		1617
1238	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1239	}	1619	}
1240		1620
		1621	my $pass = 0;
1241	my %done;	1622	my %done;
1242	while (%todo) {	1623	while (%todo) {
1243	my $progress;	1624	my $progress;
1244		1625
		1626	++$pass;
		1627
		1628	ext:
1245	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1631	next ext
1248	unless exists $done{$_};	1632	unless exists $done{$_};
1249	}	1633	}
1250		1634
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1636
1253	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 $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";
1256		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1258	warn $msg;	1653
1259	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260	exit 1;	1655	delete $todo{$k};
1261	}	1656	} else {
1262		1657	$done{$k} = delete $todo{$k};
1263	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1264	}	1663	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1664	}
1270		1665
1271	skip:	1666	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	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	}
1274	}	1676	}
1275	};	1677	};
1276	}	1678	}
1277		1679
1278	#############################################################################	1680	#############################################################################
1279		1681
1280	=back	1682	=back
1281		1683
1282	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1283		1685
1284	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1285		1687
1286	=cut	1688	=cut
1287		1689
1288	package cf::player;	1690	package cf::player;
1289		1691
1290	use Coro::AIO;	1692	use Coro::AIO;
1291		1693
1292	=head3 cf::player	1694	=head3 cf::player
1293		1695
1294	=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	}
1295		1711
1296	=item cf::player::find $login	1712	=item cf::player::find $login
1297		1713
1298	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
1299		1715
…		…
1318		1734
1319	sub exists($) {	1735	sub exists($) {
1320	my ($login) = @_;	1736	my ($login) = @_;
1321		1737
1322	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1324	}	1740	}
1325		1741
1326	sub find($) {	1742	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1744	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1755
1340	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
1341	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;
1342	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1343	}	1765	}
1344	}	1766	}
1345	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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	);
1346		1781
1347	sub save($) {	1782	sub save($) {
1348	my ($pl) = @_;	1783	my ($pl) = @_;
1349		1784
1350	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1355	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1356		1791
1357	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1359		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
1360	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1361	Coro::cede;	1801	cf::cede_to_tick;
1362	}	1802	}
1363		1803
1364	sub new($) {	1804	sub new($) {
1365	my ($login) = @_;	1805	my ($login) = @_;
1366		1806
…		…
1372	$cf::PLAYER{$login} = $self;	1812	$cf::PLAYER{$login} = $self;
1373		1813
1374	$self	1814	$self
1375	}	1815	}
1376		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
1377	=item $pl->quit_character	1827	=item $pl->quit_character
1378		1828
1379	Nukes the player without looking back. If logged in, the connection will	1829	Nukes the player without looking back. If logged in, the connection will
1380	be destroyed. May block for a long time.	1830	be destroyed. May block for a long time.
1381		1831
…		…
1385	my ($pl) = @_;	1835	my ($pl) = @_;
1386		1836
1387	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1388		1838
1389	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1390	$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
1391		1841
1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1393	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1394	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1395	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1396		1850
1397	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1398	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1399	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1434	or return [];	1888	or return [];
1435		1889
1436	my @logins;	1890	my @logins;
1437		1891
1438	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") {
1439	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1441	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1442		1902
1443	utf8::decode $login;	1903	utf8::decode $login;
1444	push @logins, $login;	1904	push @logins, $login;
1445	}	1905	}
1446		1906
1447	\@logins	1907	\@logins
1448	}	1908	}
1449		1909
1450	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1451		1913
1452	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1453	player. May block.	1915	player. May block.
1454		1916
1455	=cut	1917	=cut
…		…
1473	}	1935	}
1474		1936
1475	\@paths	1937	\@paths
1476	}	1938	}
1477		1939
1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479		1941
1480	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1481
1482	=cut
1483
1484	sub expand_cfpod {
1485	((my $self), (local $_)) = @_;
1486
1487	# escape & and <
1488	s/&/&amp;/g;
1489	s/(?<![BIUGH])</&lt;/g;
1490
1491	# this is buggy, it needs to properly take care of nested <'s
1492
1493	1 while
1494	# replace B<>, I<>, U<> etc.
1495	s/B<([^\>]*)>/<b>$1<\/b>/
1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527
1528	=item $player->ext_reply ($msgid, @msg)
1529
1530	Sends an ext reply to the player.
1531
1532	=cut
1533
1534	sub ext_reply($$@) {
1535	my ($self, $id, @msg) = @_;
1536
1537	if ($self->ns->extcmd == 2) {
1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539	} elsif ($self->ns->extcmd == 1) {
1540	#TODO: version 1, remove
1541	unshift @msg, msgtype => "reply", msgid => $id;
1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543	}
1544	}
1545		1943
1546	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1547		1945
1548	Sends an ext event to the client.	1946	Sends an ext event to the client.
1549		1947
…		…
1569		1967
1570	=cut	1968	=cut
1571		1969
1572	sub find_by_path($) {	1970	sub find_by_path($) {
1573	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1574		1974
1575	my ($match, $specificity);	1975	my ($match, $specificity);
1576		1976
1577	for my $region (list) {	1977	for my $region (list) {
1578	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1604	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1605	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1606		2006
1607	sub generate_random_map {	2007	sub generate_random_map {
1608	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1609	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1610	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1614	$rmp->{exit_on_final_map},
1615	$rmp->{xsize}, $rmp->{ysize},
1616	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1617	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1618	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1619	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1620	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1621	(cf::region::find $rmp->{region}), $rmp->{custom}
1622	)
1623	}	2013	}
1624		2014
1625	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1626		2016
1627	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
…		…
1632		2022
1633	sub register {	2023	sub register {
1634	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1635	my $pkg = caller;	2025	my $pkg = caller;
1636		2026
1637	no strict;
1638	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1639		2028
1640	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1641	}	2030	}
1642		2031
1643	# also paths starting with '/'	2032	# also paths starting with '/'
1644	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1645		2034
1646	sub thawer_merge {	2035	sub thawer_merge {
1647	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1648		2037
1649	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1654	}	2043	}
1655		2044
1656	sub normalise {	2045	sub normalise {
1657	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1658		2047
1659	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1660		2049
1661	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1662		2051
1663	# map plan:	2052	# map plan:
1664	#	2053	#
…		…
1679	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1680	$path = "$base/$path";	2069	$path = "$base/$path";
1681	}	2070	}
1682		2071
1683	for ($path) {	2072	for ($path) {
1684	redo if s{//}{/};
1685	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1686	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1687	}	2075	}
1688		2076
1689	$path	2077	$path
…		…
1703	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1704	return $self;	2092	return $self;
1705	}	2093	}
1706	}	2094	}
1707		2095
1708	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1709	()	2097	()
1710	}	2098	}
1711		2099
		2100	# may re-bless or do other evil things
1712	sub init {	2101	sub init {
1713	my ($self) = @_;	2102	my ($self) = @_;
1714		2103
1715	$self	2104	$self
1716	}	2105	}
…		…
1735		2124
1736	# the temporary/swap location	2125	# the temporary/swap location
1737	sub save_path {	2126	sub save_path {
1738	my ($self) = @_;	2127	my ($self) = @_;
1739		2128
1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1742	}	2131	}
1743		2132
1744	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1745	sub uniq_path {	2134	sub uniq_path {
1746	my ($self) = @_;	2135	my ($self) = @_;
1747		2136
1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1750	}
1751
1752	# and all this just because we cannot iterate over
1753	# all maps in C++...
1754	sub change_all_map_light {
1755	my ($change) = @_;
1756
1757	$_->change_map_light ($change)
1758	for grep $_->outdoor, values %cf::MAP;
1759	}	2139	}
1760		2140
1761	sub decay_objects {	2141	sub decay_objects {
1762	my ($self) = @_;	2142	my ($self) = @_;
1763		2143
…		…
1776		2156
1777	sub load_header_from($) {	2157	sub load_header_from($) {
1778	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1779		2159
1780	utf8::encode $path;	2160	utf8::encode $path;
1781	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1782	# or return;
1783
1784	$self->_load_header ($path)
1785	or return;	2162	or return;
1786		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1787	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1788		2171
1789	1	2172	1
1790	}	2173	}
1791		2174
		2175	# used to laod the header of an original map
1792	sub load_header_orig {	2176	sub load_header_orig {
1793	my ($self) = @_;	2177	my ($self) = @_;
1794		2178
1795	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1796	}	2180	}
1797		2181
		2182	# used to laod the header of an instantiated map
1798	sub load_header_temp {	2183	sub load_header_temp {
1799	my ($self) = @_;	2184	my ($self) = @_;
1800		2185
1801	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1802	}	2187	}
1803		2188
		2189	# called after loading the header from an instantiated map
1804	sub prepare_temp {	2190	sub prepare_temp {
1805	my ($self) = @_;	2191	my ($self) = @_;
1806		2192
1807	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1808	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1809	# safety	2195	# safety
1810	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1811	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1812	}	2198	}
1813		2199
		2200	# called after loading the header from an original map
1814	sub prepare_orig {	2201	sub prepare_orig {
1815	my ($self) = @_;	2202	my ($self) = @_;
1816		2203
1817	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1818	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1842		2229
1843	sub find;	2230	sub find;
1844	sub find {	2231	sub find {
1845	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1846		2233
		2234	cf::cede_to_tick;
		2235
1847	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1848		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1850		2240
1851	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1852	my $guard = cf::lock_acquire "map_find:$path";
1853	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1854	or return;	2243	or return;
1855		2244
1856	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1857		2246
…		…
1859	or return;	2248	or return;
1860		2249
1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1863	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1864	$map->reset;	2255	$map->reset;
1865	undef $guard;
1866	return find $path;	2256	return find $path;
1867	}	2257	}
1868		2258
1869	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1870	}	2260	}
1871	}	2261	}
1872		2262
1873	sub pre_load { }	2263	sub pre_load { }
1874	sub post_load { }	2264	#sub post_load { } # XS
1875		2265
1876	sub load {	2266	sub load {
1877	my ($self) = @_;	2267	my ($self) = @_;
1878		2268
1879	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1880		2270
1881	my $path = $self->{path};	2271	my $path = $self->{path};
1882		2272
1883	{	2273	{
1884	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1885		2275
		2276	return unless $self->valid;
1886	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1887
1888	$self->in_memory (cf::MAP_LOADING);
1889		2278
1890	$self->alloc;	2279	$self->alloc;
1891		2280
1892	$self->pre_load;	2281	$self->pre_load;
1893	Coro::cede;	2282	cf::cede_to_tick;
1894		2283
1895	$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)
1896	or return;	2288	or return;
1897		2289
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1899	if delete $self->{load_original};	2291	if delete $self->{load_original};
1900		2292
1901	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2294	utf8::encode $uniq;
1903	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1904	$self->clear_unique_items;	2297	$self->clear_unique_items;
1905	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1906	}	2302	}
1907	}
1908		2303
1909	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;
1910	# now do the right thing for maps	2313	# now do the right thing for maps
1911	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1912	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1913	unless $self->difficulty;	2316	unless $self->difficulty;
1914	Coro::cede;	2317	cf::cede_to_tick;
1915		2318
1916	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1917	$self->decay_objects;	2320	$self->decay_objects;
1918	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1919	$self->update_buttons;	2322	$self->update_buttons;
1920	Coro::cede;	2323	cf::cede_to_tick;
1921	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1922	Coro::cede;
1923	$self->activate;
1924	}	2325	}
1925		2326
1926	$self->in_memory (cf::MAP_IN_MEMORY);	2327	$self->{last_save} = $cf::RUNTIME;
		2328	$self->last_access ($cf::RUNTIME);
1927	}	2329	}
1928		2330
1929	$self->post_load;	2331	$self->post_load;
1930	}
1931		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
1932	sub customise_for {	2339	sub customise_for {
1933	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1934		2341
1935	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1936	if $self->per_player;	2343	if $self->per_player;
…		…
1939	# if $self->per_party;	2346	# if $self->per_party;
1940		2347
1941	$self	2348	$self
1942	}	2349	}
1943		2350
1944	# find and load all maps in the 3x3 area around a map
1945	sub load_diag {
1946	my ($map) = @_;
1947
1948	my @diag; # diagonal neighbours
1949
1950	for (0 .. 3) {
1951	my $neigh = $map->tile_path ($_)
1952	or next;
1953	$neigh = find $neigh, $map
1954	or next;
1955	$neigh->load;
1956
1957	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1958	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1959	}
1960
1961	for (@diag) {
1962	my $neigh = find @$_
1963	or next;
1964	$neigh->load;
1965	}
1966	}
1967
1968	sub find_sync {	2351	sub find_sync {
1969	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1970		2353
1971	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
1972	}	2359	}
1973		2360
1974	sub do_load_sync {	2361	sub do_load_sync {
1975	my ($map) = @_;	2362	my ($map) = @_;
1976		2363
1977	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;
1978	}	2369	}
1979		2370
1980	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1981	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1982		2373
1983	sub find_async {	2374	sub find_async {
1984	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1985		2376
1986	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1987		2378
1988	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1989	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1990	}	2381	}
1991		2382
1992	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1993	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1994	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1995	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1996	if (my $map = find $path) {	2390	if (my $map = find $k) {
1997	$map->load;	2391	$map->load if $v;
1998	}	2392	}
1999		2393
2000	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
2001	}	2395	}
2002	}	2396	}
2003	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
2004	};	2398	};
2005	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2006		2400
2007	()	2401	()
2008	}	2402	}
2009		2403
		2404	# common code, used by both ->save and ->swapout
2010	sub save {	2405	sub _save {
2011	my ($self) = @_;	2406	my ($self) = @_;
2012
2013	my $lock = cf::lock_acquire "map_data:" . $self->path;
2014		2407
2015	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2016		2409
2017	return unless $self->dirty;	2410	return unless $self->dirty;
2018		2411
…		…
2024	return if $self->{deny_save};	2417	return if $self->{deny_save};
2025		2418
2026	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
2027		2420
2028	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
2029	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
2030	};	2424	};
		2425
		2426	cf::get_slot 0.02;
2031		2427
2032	if ($uniq) {	2428	if ($uniq) {
2033	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2034	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2035	} else {	2431	} else {
2036	$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);
2037	}	2433	}
2038	}	2434	}
2039		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2040	sub swap_out {	2444	sub swap_out {
2041	my ($self) = @_;	2445	my ($self) = @_;
2042		2446
2043	# save first because save cedes
2044	$self->save;
2045
2046	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2047		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2048	return if $self->players;	2451	return if $self->players;
2049	return if $self->in_memory != cf::MAP_IN_MEMORY;
2050	return if $self->{deny_save};
2051		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
2052	$self->clear;	2462	$self->clear;
2053	$self->in_memory (cf::MAP_SWAPPED);
2054	}	2463	}
2055		2464
2056	sub reset_at {	2465	sub reset_at {
2057	my ($self) = @_;	2466	my ($self) = @_;
2058		2467
…		…
2076		2485
2077	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
2078		2487
2079	return if $self->players;	2488	return if $self->players;
2080		2489
2081	warn "resetting map ", $self->path;	2490	cf::trace "resetting map ", $self->path, "\n";
2082		2491
2083	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
2084		2493
2085	# need to save uniques path	2494	# need to save uniques path
2086	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
2087	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
2088		2497
…		…
2090	if $uniq;	2499	if $uniq;
2091	}	2500	}
2092		2501
2093	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
2094		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
2095	$self->clear;	2506	$self->clear;
2096
2097	$_->clear_links_to ($self) for values %cf::MAP;
2098		2507
2099	$self->unlink_save;	2508	$self->unlink_save;
2100	$self->destroy;	2509	$self->destroy;
2101	}	2510	}
2102		2511
2103	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
2104		2513
2105	sub nuke {	2514	sub nuke {
2106	my ($self) = @_;	2515	my ($self) = @_;
2107		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
2108	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2109		2521
2110	$self->unlink_save;	2522	$self->unlink_save;
2111		2523
2112	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2113	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2114	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2115	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2116	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2117		2529
2118	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
2119		2532
2120	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
2121	}	2534	}
2122		2535
2123	=item $maps = cf::map::tmp_maps	2536	=item $maps = cf::map::tmp_maps
…		…
2165		2578
2166	sub unique_maps() {	2579	sub unique_maps() {
2167	[	2580	[
2168	map {	2581	map {
2169	utf8::decode $_;	2582	utf8::decode $_;
2170	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2171	? normalise $_	2586	: normalise $_
2172	: ()
2173	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2174	]	2588	]
2175	}	2589	}
2176		2590
2177	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	}
2178		2622
2179	=back	2623	=back
2180		2624
2181	=head3 cf::object	2625	=head3 cf::object
2182		2626
…		…
2186		2630
2187	=over 4	2631	=over 4
2188		2632
2189	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2190		2634
2191	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.
2192		2637
2193	=cut	2638	=cut
2194		2639
2195	sub inv_recursive_;	2640	sub inv_recursive_;
2196	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2199		2644
2200	sub inv_recursive {	2645	sub inv_recursive {
2201	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2202	}	2647	}
2203		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
2204	package cf;	2677	package cf;
2205		2678
2206	=back	2679	=back
2207		2680
2208	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
2214	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>
2215	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
2216	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2217		2690
2218	=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	};
2219		2706
2220	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2221	# with dialog boxes.	2708	# with dialog boxes.
2222	#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
2223	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
2235	my $dialog = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2237		2724
2238	} else {	2725	} else {
2239	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2240	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2241	}	2728	}
2242	}	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 (@_);
2243	}	2740	}
2244		2741
2245	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
2246		2743
2247	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
…		…
2260		2757
2261	=item $player_object->enter_link	2758	=item $player_object->enter_link
2262		2759
2263	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}>).
2264		2761
2265	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.
2266	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.
2267		2766
2268	Will never block.	2767	Will never block.
2269		2768
2270	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2271		2770
…		…
2291	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2292	my ($self) = @_;	2791	my ($self) = @_;
2293		2792
2294	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2295		2794
		2795	++$self->{_link_recursion};
		2796
2296	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2297		2798
2298	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2299	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2300		2801
2301	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2302	}	2803	}
2303		2804
2304	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2305	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2306		2807
…		…
2323	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2324	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2325		2826
2326	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2327	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2328	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2329		2830
2330	$map->load;	2831	$map->load;
2331	$map->load_diag;
2332		2832
2333	return unless $self->contr->active;	2833	return unless $self->contr->active;
2334	$self->activate_recursive;
2335		2834
2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2337	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2338	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2339		2842
		2843	}
		2844
2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2341		2846
2342	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
2343	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2344	that has to return the map if sucecssful, and then unfreezes the player on	2849	that has to return the map if sucecssful, and then unfreezes the player on
2345	the new (success) or old (failed) map position. In either case, $done will	2850	the new (success) or old (failed) map position. In either case, $done will
2346	be called at the end of this process.	2851	be called at the end of this process.
2347		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 >>.
		2855
2348	=cut	2856	=cut
2349		2857
2350	our $GOTOGEN;	2858	our $GOTOGEN;
2351		2859
2352	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2353	my ($self, $path, $x, $y, $check, $done) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
2354		2862
		2863	if ($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	}
		2868
2355	# 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
2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2357		2871
2358	$self->enter_link;	2872	$self->enter_link;
2359		2873
2360	(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
2361	my $map = eval {	2896	my $map = eval {
2362	my $map = cf::map::find $path;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2363		2898
2364	if ($map) {	2899	if ($map) {
2365	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2366	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2367	} else {	2902	} else {
2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2369	}	2904	}
2370		2905
2371	$map	2906	$map
2372	};	2907	};
2373		2908
…		…
2379	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2380	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2381	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2382	}	2917	}
2383		2918
2384	$done->() if $done;	2919	$done->($self) if $done;
2385	})->prio (1);	2920	})->prio (1);
2386	}	2921	}
2387		2922
2388	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2389		2924
…		…
2409	}	2944	}
2410		2945
2411	sub prepare_random_map {	2946	sub prepare_random_map {
2412	my ($exit) = @_;	2947	my ($exit) = @_;
2413		2948
2414	my $guard = cf::lock_acquire "exit_prepare:$exit";
2415
2416	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
2417	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
2418	# that depends on the exit object	2951	# that depends on the exit object
2419		2952
2420	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2422	if ($exit->map) {	2955	if ($exit->map) {
2423	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2424	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2425	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2426	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2427	}	2962	}
2428		2963
2429	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2430		2965
2431	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2432	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
2433	my $meta = "$RANDOMDIR/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
2434		2969
2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2436	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2437	undef $fh;	2972	undef $fh;
2438	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2439		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2440	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2441	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2442	}	2981	}
2443	}	2982	}
2444		2983
2445	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2446	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2447		2986
2448	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2449		2988
2450	if ($exit->slaying eq "/!") {
2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
2452	# the problem is that $exit might not survive long enough
2453	# so it needs to be done right now, right here
2454	cf::sync_job { prepare_random_map $exit };
2455	}
2456
2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2458	my $hp = $exit->stats->hp;
2459	my $sp = $exit->stats->sp;
2460
2461	$self->enter_link;	2989	$self->enter_link;
2462		2990
2463	# if exit is damned, update players death & WoR home-position
2464	$self->contr->savebed ($slaying, $hp, $sp)
2465	if $exit->flag (FLAG_DAMNED);
2466
2467	(async {	2991	(async {
2468	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
2469	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
2470	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2471		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
2472	1;	3030	1
2473	}) {	3031	}) {
2474	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2475	. "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. "
2476	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2477	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2478		3036
2479	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2480	$self->leave_link;	3038	$self->leave_link;
2481	}	3039	}
2482	})->prio (1);	3040	})->prio (1);
2483	}	3041	}
2484		3042
…		…
2495		3053
2496	sub cf::client::send_drawinfo {	3054	sub cf::client::send_drawinfo {
2497	my ($self, $text, $flags) = @_;	3055	my ($self, $text, $flags) = @_;
2498		3056
2499	utf8::encode $text;	3057	utf8::encode $text;
2500	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3058	$self->send_packet (sprintf "msg %d log %s", $flags || cf::NDI_BLACK, $text);
		3059	}
		3060
		3061	=item $client->send_big_packet ($pkt)
		3062
		3063	Like C<send_packet>, but tries to compress large packets, and fragments
		3064	them as required.
		3065
		3066	=cut
		3067
		3068	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3069
		3070	sub cf::client::send_big_packet {
		3071	my ($self, $pkt) = @_;
		3072
		3073	# try lzf for large packets
		3074	$pkt = "lzf " . Compress::LZF::compress $pkt
		3075	if 1024 <= length $pkt and $self->{can_lzf};
		3076
		3077	# split very large packets
		3078	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3079	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3080	$pkt = "frag";
		3081	}
		3082
		3083	$self->send_packet ($pkt);
2501	}	3084	}
2502		3085
2503	=item $client->send_msg ($channel, $msg, $color, [extra...])	3086	=item $client->send_msg ($channel, $msg, $color, [extra...])
2504		3087
2505	Send a drawinfo or msg packet to the client, formatting the msg for the	3088	Send a msg packet to the client, formatting the msg for the client if
2506	client if neccessary. C<$type> should be a string identifying the type of	3089	necessary. C<$type> should be a string identifying the type of the
2507	the message, with C<log> being the default. If C<$color> is negative, suppress	3090	message, with C<log> being the default. If C<$color> is negative, suppress
2508	the message unless the client supports the msg packet.	3091	the message unless the client supports the msg packet.
2509		3092
2510	=cut	3093	=cut
		3094
		3095	# non-persistent channels (usually the info channel)
		3096	our %CHANNEL = (
		3097	"c/motd" => {
		3098	id => "infobox",
		3099	title => "MOTD",
		3100	reply => undef,
		3101	tooltip => "The message of the day",
		3102	},
		3103	"c/identify" => {
		3104	id => "infobox",
		3105	title => "Identify",
		3106	reply => undef,
		3107	tooltip => "Items recently identified",
		3108	},
		3109	"c/examine" => {
		3110	id => "infobox",
		3111	title => "Examine",
		3112	reply => undef,
		3113	tooltip => "Signs and other items you examined",
		3114	},
		3115	"c/shopinfo" => {
		3116	id => "infobox",
		3117	title => "Shop Info",
		3118	reply => undef,
		3119	tooltip => "What your bargaining skill tells you about the shop",
		3120	},
		3121	"c/book" => {
		3122	id => "infobox",
		3123	title => "Book",
		3124	reply => undef,
		3125	tooltip => "The contents of a note or book",
		3126	},
		3127	"c/lookat" => {
		3128	id => "infobox",
		3129	title => "Look",
		3130	reply => undef,
		3131	tooltip => "What you saw there",
		3132	},
		3133	"c/who" => {
		3134	id => "infobox",
		3135	title => "Players",
		3136	reply => undef,
		3137	tooltip => "Shows players who are currently online",
		3138	},
		3139	"c/body" => {
		3140	id => "infobox",
		3141	title => "Body Parts",
		3142	reply => undef,
		3143	tooltip => "Shows which body parts you posess and are available",
		3144	},
		3145	"c/statistics" => {
		3146	id => "infobox",
		3147	title => "Statistics",
		3148	reply => undef,
		3149	tooltip => "Shows your primary statistics",
		3150	},
		3151	"c/skills" => {
		3152	id => "infobox",
		3153	title => "Skills",
		3154	reply => undef,
		3155	tooltip => "Shows your experience per skill and item power",
		3156	},
		3157	"c/shopitems" => {
		3158	id => "infobox",
		3159	title => "Shop Items",
		3160	reply => undef,
		3161	tooltip => "Shows the items currently for sale in this shop",
		3162	},
		3163	"c/resistances" => {
		3164	id => "infobox",
		3165	title => "Resistances",
		3166	reply => undef,
		3167	tooltip => "Shows your resistances",
		3168	},
		3169	"c/pets" => {
		3170	id => "infobox",
		3171	title => "Pets",
		3172	reply => undef,
		3173	tooltip => "Shows information abotu your pets/a specific pet",
		3174	},
		3175	"c/perceiveself" => {
		3176	id => "infobox",
		3177	title => "Perceive Self",
		3178	reply => undef,
		3179	tooltip => "You gained detailed knowledge about yourself",
		3180	},
		3181	"c/uptime" => {
		3182	id => "infobox",
		3183	title => "Uptime",
		3184	reply => undef,
		3185	tooltip => "How long the server has been running since last restart",
		3186	},
		3187	"c/mapinfo" => {
		3188	id => "infobox",
		3189	title => "Map Info",
		3190	reply => undef,
		3191	tooltip => "Information related to the maps",
		3192	},
		3193	"c/party" => {
		3194	id => "party",
		3195	title => "Party",
		3196	reply => "gsay ",
		3197	tooltip => "Messages and chat related to your party",
		3198	},
		3199	"c/death" => {
		3200	id => "death",
		3201	title => "Death",
		3202	reply => undef,
		3203	tooltip => "Reason for and more info about your most recent death",
		3204	},
		3205	"c/fatal" => {
		3206	id => "fatal",
		3207	title => "Fatal Error",
		3208	reply => undef,
		3209	tooltip => "Reason for the server disconnect",
		3210	},
		3211	"c/say" => $SAY_CHANNEL,
		3212	"c/chat" => $CHAT_CHANNEL,
		3213	);
2511		3214
2512	sub cf::client::send_msg {	3215	sub cf::client::send_msg {
2513	my ($self, $channel, $msg, $color, @extra) = @_;	3216	my ($self, $channel, $msg, $color, @extra) = @_;
2514		3217
2515	$msg = $self->pl->expand_cfpod ($msg);	3218	$msg = $self->pl->expand_cfpod ($msg)
		3219	unless $color & cf::NDI_VERBATIM;
2516		3220
2517	$color &= ~cf::NDI_UNIQUE; # just in case...	3221	$color &= cf::NDI_CLIENT_MASK; # just in case...
2518		3222
		3223	# check predefined channels, for the benefit of C
		3224	if ($CHANNEL{$channel}) {
		3225	$channel = $CHANNEL{$channel};
		3226
		3227	$self->ext_msg (channel_info => $channel);
		3228	$channel = $channel->{id};
		3229
2519	if (ref $channel) {	3230	} elsif (ref $channel) {
2520	# send meta info to client, if not yet sent	3231	# send meta info to client, if not yet sent
2521	unless (exists $self->{channel}{$channel->{id}}) {	3232	unless (exists $self->{channel}{$channel->{id}}) {
2522	$self->{channel}{$channel->{id}} = $channel;	3233	$self->{channel}{$channel->{id}} = $channel;
2523	$self->ext_msg (channel_info => %$channel);	3234	$self->ext_msg (channel_info => $channel);
2524	}	3235	}
2525		3236
2526	$channel = $channel->{id};	3237	$channel = $channel->{id};
2527	}	3238	}
2528		3239
2529	return unless @extra || length $msg;	3240	return unless @extra || length $msg;
2530		3241
2531	if ($self->can_msg) {	3242	# default colour, mask it out
2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	3243	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2533	} else {	3244	if $color & cf::NDI_DEF;
2534	# replace some tags by gcfclient-compatible ones
2535	for ($msg) {
2536	1 while
2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2542	}
2543		3245
2544	if ($color >= 0) {	3246	my $pkt = "msg "
2545	if (0 && $msg =~ /\[/) {	3247	. $self->{json_coder}->encode (
2546	$self->send_packet ("drawextinfo $color 4 0 $msg")	3248	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2547	} else {	3249	);
2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3250
2549	$self->send_packet ("drawinfo $color $msg")	3251	$self->send_big_packet ($pkt);
2550	}
2551	}
2552	}
2553	}	3252	}
2554		3253
2555	=item $client->ext_msg ($type, @msg)	3254	=item $client->ext_msg ($type, @msg)
2556		3255
2557	Sends an ext event to the client.	3256	Sends an ext event to the client.
…		…
2559	=cut	3258	=cut
2560		3259
2561	sub cf::client::ext_msg($$@) {	3260	sub cf::client::ext_msg($$@) {
2562	my ($self, $type, @msg) = @_;	3261	my ($self, $type, @msg) = @_;
2563		3262
2564	my $extcmd = $self->extcmd;
2565
2566	if ($extcmd == 2) {
2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3263	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2568	} elsif ($extcmd == 1) { # TODO: remove
2569	push @msg, msgtype => "event_$type";
2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2571	}
2572	}	3264	}
2573		3265
2574	=item $success = $client->query ($flags, "text", \&cb)	3266	=item $success = $client->query ($flags, "text", \&cb)
2575		3267
2576	Queues a query to the client, calling the given callback with	3268	Queues a query to the client, calling the given callback with
…		…
2631	my ($ns, $buf) = @_;	3323	my ($ns, $buf) = @_;
2632		3324
2633	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3325	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2634		3326
2635	if (ref $msg) {	3327	if (ref $msg) {
2636	my ($type, $reply, @payload) =	3328	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2637	"ARRAY" eq ref $msg
2638	? @$msg
2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2640		3329
2641	if (my $cb = $EXTICMD{$type}) {	3330	if (my $cb = $EXTIACMD{$type}) {
		3331	$cb->(
		3332	$ns,
		3333	sub {
		3334	$ns->ext_msg ("reply-$reply", @_)
		3335	if $reply;
		3336	},
		3337	@payload
		3338	);
		3339	} else {
		3340	my @reply;
		3341
		3342	if (my $cb = $EXTICMD{$type}) {
2642	my @reply = $cb->($ns, @payload);	3343	@reply = $cb->($ns, @payload);
		3344	}
2643		3345
2644	$ns->ext_reply ($reply, @reply)	3346	$ns->ext_msg ("reply-$reply", @reply)
2645	if $reply;	3347	if $reply;
2646	}	3348	}
2647	} else {	3349	} else {
2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3350	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2649	}	3351	}
2650		3352
2651	cf::override;	3353	cf::override;
2652	},	3354	},
2653	);	3355	);
…		…
2673		3375
2674	$coro	3376	$coro
2675	}	3377	}
2676		3378
2677	cf::client->attach (	3379	cf::client->attach (
2678	on_destroy => sub {	3380	on_client_destroy => sub {
2679	my ($ns) = @_;	3381	my ($ns) = @_;
2680		3382
2681	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3383	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2682	},	3384	},
2683	);	3385	);
…		…
2698	our $safe = new Safe "safe";	3400	our $safe = new Safe "safe";
2699	our $safe_hole = new Safe::Hole;	3401	our $safe_hole = new Safe::Hole;
2700		3402
2701	$SIG{FPE} = 'IGNORE';	3403	$SIG{FPE} = 'IGNORE';
2702		3404
2703	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3405	$safe->permit_only (Opcode::opset qw(
		3406	:base_core :base_mem :base_orig :base_math :base_loop
		3407	grepstart grepwhile mapstart mapwhile
		3408	sort time
		3409	));
2704		3410
2705	# here we export the classes and methods available to script code	3411	# here we export the classes and methods available to script code
2706		3412
2707	=pod	3413	=pod
2708		3414
2709	The following functions and methods are available within a safe environment:	3415	The following functions and methods are available within a safe environment:
2710		3416
2711	cf::object	3417	cf::object
2712	contr pay_amount pay_player map x y force_find force_add	3418	contr pay_amount pay_player map x y force_find force_add destroy
2713	insert remove	3419	insert remove name archname title slaying race decrease split
		3420	value
2714		3421
2715	cf::object::player	3422	cf::object::player
2716	player	3423	player
2717		3424
2718	cf::player	3425	cf::player
…		…
2723		3430
2724	=cut	3431	=cut
2725		3432
2726	for (	3433	for (
2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3434	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2728	insert remove)],	3435	insert remove inv nrof name archname title slaying race
		3436	decrease split destroy change_exp value msg lore send_msg)],
2729	["cf::object::player" => qw(player)],	3437	["cf::object::player" => qw(player)],
2730	["cf::player" => qw(peaceful)],	3438	["cf::player" => qw(peaceful send_msg)],
2731	["cf::map" => qw(trigger)],	3439	["cf::map" => qw(trigger)],
2732	) {	3440	) {
2733	no strict 'refs';
2734	my ($pkg, @funs) = @$_;	3441	my ($pkg, @funs) = @$_;
2735	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3442	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2736	for @funs;	3443	for @funs;
2737	}	3444	}
2738		3445
…		…
2753		3460
2754	my $qcode = $code;	3461	my $qcode = $code;
2755	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3462	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2756	$qcode =~ s/\n/\\n/g;	3463	$qcode =~ s/\n/\\n/g;
2757		3464
		3465	%vars = (_dummy => 0) unless %vars;
		3466
		3467	my @res;
2758	local $_;	3468	local $_;
2759	local @safe::cf::_safe_eval_args = values %vars;
2760		3469
2761	my $eval =	3470	my $eval =
2762	"do {\n"	3471	"do {\n"
2763	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3472	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2764	. "#line 0 \"{$qcode}\"\n"	3473	. "#line 0 \"{$qcode}\"\n"
2765	. $code	3474	. $code
2766	. "\n}"	3475	. "\n}"
2767	;	3476	;
2768		3477
		3478	if ($CFG{safe_eval}) {
2769	sub_generation_inc;	3479	sub_generation_inc;
		3480	local @safe::cf::_safe_eval_args = values %vars;
2770	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3481	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2771	sub_generation_inc;	3482	sub_generation_inc;
		3483	} else {
		3484	local @cf::_safe_eval_args = values %vars;
		3485	@res = wantarray ? eval eval : scalar eval $eval;
		3486	}
2772		3487
2773	if ($@) {	3488	if ($@) {
2774	warn "$@";	3489	warn "$@",
2775	warn "while executing safe code '$code'\n";	3490	"while executing safe code '$code'\n",
2776	warn "with arguments " . (join " ", %vars) . "\n";	3491	"with arguments " . (join " ", %vars) . "\n";
2777	}	3492	}
2778		3493
2779	wantarray ? @res : $res[0]	3494	wantarray ? @res : $res[0]
2780	}	3495	}
2781		3496
…		…
2795	=cut	3510	=cut
2796		3511
2797	sub register_script_function {	3512	sub register_script_function {
2798	my ($fun, $cb) = @_;	3513	my ($fun, $cb) = @_;
2799		3514
2800	no strict 'refs';	3515	$fun = "safe::$fun" if $CFG{safe_eval};
2801	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3516	*$fun = $safe_hole->wrap ($cb);
2802	}	3517	}
2803		3518
2804	=back	3519	=back
2805		3520
2806	=cut	3521	=cut
2807		3522
2808	#############################################################################	3523	#############################################################################
2809	# the server's init and main functions	3524	# the server's init and main functions
2810		3525
		3526	{
		3527	package cf::face;
		3528
		3529	our %HASH; # hash => idx
		3530	our @DATA; # dynamically-created facedata, only faceste 0 used
		3531	our @FOFS; # file offset, if > 0
		3532	our @SIZE; # size of face, in octets
		3533	our @META; # meta hash of face, if any
		3534	our $DATAFH; # facedata filehandle
		3535
		3536	# internal api, not finalised
		3537	sub set {
		3538	my ($name, $type, $data) = @_;
		3539
		3540	my $idx = cf::face::find $name;
		3541
		3542	if ($idx) {
		3543	delete $HASH{cf::face::get_csum $idx};
		3544	} else {
		3545	$idx = cf::face::alloc $name;
		3546	}
		3547
		3548	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3549
		3550	cf::face::set_type $idx, $type;
		3551	cf::face::set_csum $idx, 0, $hash;
		3552
		3553	# we need to destroy the SV itself, not just modify it, as a running ix
		3554	# might hold a reference to it: "delete" achieves that.
		3555	delete $FOFS[0][$idx];
		3556	delete $DATA[0][$idx];
		3557	$DATA[0][$idx] = $data;
		3558	$SIZE[0][$idx] = length $data;
		3559	delete $META[$idx];
		3560	$HASH{$hash} = $idx;#d#
		3561
		3562	$idx
		3563	}
		3564
		3565	sub _get_data($$$) {
		3566	my ($idx, $set, $cb) = @_;
		3567
		3568	if (defined $DATA[$set][$idx]) {
		3569	$cb->($DATA[$set][$idx]);
		3570	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3571	my $size = $SIZE[$set][$idx];
		3572	my $buf;
		3573	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3574	if ($_[0] == $size) {
		3575	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3576	$cb->($buf);
		3577	} else {
		3578	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3579	}
		3580	};
		3581	} else {
		3582	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3583	}
		3584	}
		3585
		3586	# rather ineffient
		3587	sub cf::face::get_data($;$) {
		3588	my ($idx, $set) = @_;
		3589
		3590	_get_data $idx, $set, Coro::rouse_cb;
		3591	Coro::rouse_wait
		3592	}
		3593
		3594	sub cf::face::ix {
		3595	my ($ns, $set, $idx, $pri) = @_;
		3596
		3597	_get_data $idx, $set, sub {
		3598	$ns->ix_send ($idx, $pri, $_[0]);
		3599	};
		3600	}
		3601	}
		3602
2811	sub load_facedata($) {	3603	sub load_facedata($) {
2812	my ($path) = @_;	3604	my ($path) = @_;
2813		3605
		3606	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3607
2814	warn "loading facedata from $path\n";	3608	trace "loading facedata from $path\n";
2815		3609
2816	my $facedata;	3610	my $facedata = decode_storable load_file "$path/faceinfo";
2817	0 < aio_load $path, $facedata
2818	or die "$path: $!";
2819
2820	$facedata = Coro::Storable::thaw $facedata;
2821		3611
2822	$facedata->{version} == 2	3612	$facedata->{version} == 2
2823	or cf::cleanup "$path: version mismatch, cannot proceed.";	3613	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3614
		3615	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3616	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3617
		3618	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3619
		3620	# BEGIN ATOMIC
		3621	# from here on, everything must be atomic - no thread switch allowed
		3622	my $t1 = EV::time;
2824		3623
2825	{	3624	{
2826	my $faces = $facedata->{faceinfo};	3625	my $faces = $facedata->{faceinfo};
2827		3626
2828	while (my ($face, $info) = each %$faces) {	3627	for my $face (sort keys %$faces) {
		3628	my $info = $faces->{$face};
2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3629	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3630
2830	cf::face::set_visibility $idx, $info->{visibility};	3631	cf::face::set_visibility $idx, $info->{visibility};
2831	cf::face::set_magicmap $idx, $info->{magicmap};	3632	cf::face::set_magicmap $idx, $info->{magicmap};
2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3633	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3634	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
2834		3635	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
2835	cf::cede_to_tick;	3636	$cf::face::HASH{$info->{hash64}} = $idx;
		3637	delete $cf::face::META[$idx];
2836	}	3638	}
2837		3639
2838	while (my ($face, $info) = each %$faces) {	3640	while (my ($face, $info) = each %$faces) {
2839	next unless $info->{smooth};	3641	next unless $info->{smooth};
		3642
2840	my $idx = cf::face::find $face	3643	my $idx = cf::face::find $face
2841	or next;	3644	or next;
		3645
2842	if (my $smooth = cf::face::find $info->{smooth}) {	3646	if (my $smooth = cf::face::find $info->{smooth}) {
2843	cf::face::set_smooth $idx, $smooth;	3647	cf::face::set_smooth $idx, $smooth;
2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3648	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845	} else {	3649	} else {
2846	warn "smooth face '$info->{smooth}' not found for face '$face'";	3650	error "smooth face '$info->{smooth}' not found for face '$face'";
2847	}	3651	}
2848
2849	cf::cede_to_tick;
2850	}	3652	}
2851	}	3653	}
2852		3654
2853	{	3655	{
2854	my $anims = $facedata->{animinfo};	3656	my $anims = $facedata->{animinfo};
2855		3657
2856	while (my ($anim, $info) = each %$anims) {	3658	while (my ($anim, $info) = each %$anims) {
2857	cf::anim::set $anim, $info->{frames}, $info->{facings};	3659	cf::anim::set $anim, $info->{frames}, $info->{facings};
2858	cf::cede_to_tick;
2859	}	3660	}
2860		3661
2861	cf::anim::invalidate_all; # d'oh	3662	cf::anim::invalidate_all; # d'oh
2862	}	3663	}
2863		3664
2864	{	3665	{
2865	# TODO: for gcfclient pleasure, we should give resources
2866	# that gcfclient doesn't grok a >10000 face index.
2867	my $res = $facedata->{resource};	3666	my $res = $facedata->{resource};
2868	my $enc = JSON::XS->new->utf8->canonical;
2869		3667
2870	while (my ($name, $info) = each %$res) {	3668	while (my ($name, $info) = each %$res) {
2871	my $meta = $enc->encode ({	3669	if (defined (my $type = $info->{type})) {
2872	name => $name,	3670	# TODO: different hash - must free and use new index, or cache ixface data queue
2873	copyright => $info->{copyright}, #TODO#
2874	});
2875
2876	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3671	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2877		3672
2878	if ($info->{type} & 1) {
2879	# prepend meta info
2880
2881	my $data = pack "(w/a*)*", $meta, $info->{data};
2882	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2883
2884	cf::face::set_data $idx, 0, $data, $chk;	3673	cf::face::set_type $idx, $type;
		3674	cf::face::set_csum $idx, 0, $info->{hash};
		3675	$cf::face::SIZE[0][$idx] = $info->{size};
		3676	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3677	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3678	$cf::face::HASH{$info->{hash}} = $idx;
2885	} else {	3679	} else {
2886	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3680	# $RESOURCE{$name} = $info; # unused
2887	}	3681	}
2888
2889	cf::face::set_type $idx, $info->{type};
2890
2891	cf::cede_to_tick;
2892	}	3682	}
2893	}	3683	}
		3684
		3685	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3686
		3687	# HACK to clear player env face cache, we need some signal framework
		3688	# for this (global event?)
		3689	%ext::player_env::MUSIC_FACE_CACHE = ();
		3690
		3691	# END ATOMIC
		3692
		3693	cf::debug "facedata atomic update time ", EV::time - $t1;
		3694
		3695	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3696
		3697	aio_close $fh if $fh; # close old facedata
2894		3698
2895	1	3699	1
2896	}	3700	}
2897		3701
2898	register_exticmd fx_want => sub {	3702	register_exticmd fx_want => sub {
…		…
2901	while (my ($k, $v) = each %$want) {	3705	while (my ($k, $v) = each %$want) {
2902	$ns->fx_want ($k, $v);	3706	$ns->fx_want ($k, $v);
2903	}	3707	}
2904	};	3708	};
2905		3709
		3710	sub load_resource_file($) {
		3711	my $guard = lock_acquire "load_resource_file";
		3712
		3713	my $status = load_resource_file_ $_[0];
		3714	get_slot 0.1, 100;
		3715	cf::arch::commit_load;
		3716
		3717	$status
		3718	}
		3719
		3720	sub reload_exp_table {
		3721	_reload_exp_table;
		3722
		3723	cf::face::set
		3724	"res/exp_table" => FT_RSRC,
		3725	JSON::XS->new->utf8->canonical->encode (
		3726	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3727	);
		3728	}
		3729
		3730	sub reload_materials {
		3731	_reload_materials;
		3732	}
		3733
2906	sub reload_regions {	3734	sub reload_regions {
		3735	# HACK to clear player env face cache, we need some signal framework
		3736	# for this (global event?)
		3737	%ext::player_env::MUSIC_FACE_CACHE = ();
		3738
2907	load_resource_file "$MAPDIR/regions"	3739	load_resource_file "$MAPDIR/regions"
2908	or die "unable to load regions file\n";	3740	or die "unable to load regions file\n";
2909		3741
2910	for (cf::region::list) {	3742	for (cf::region::list) {
2911	$_->{match} = qr/$_->{match}/	3743	$_->{match} = qr/$_->{match}/
2912	if exists $_->{match};	3744	if exists $_->{match};
2913	}	3745	}
2914	}	3746	}
2915		3747
2916	sub reload_facedata {	3748	sub reload_facedata {
2917	load_facedata "$DATADIR/facedata"	3749	load_facedata $DATADIR
2918	or die "unable to load facedata\n";	3750	or die "unable to load facedata\n";
2919	}	3751	}
2920		3752
2921	sub reload_archetypes {	3753	sub reload_archetypes {
2922	load_resource_file "$DATADIR/archetypes"	3754	load_resource_file "$DATADIR/archetypes"
2923	or die "unable to load archetypes\n";	3755	or die "unable to load archetypes\n";
2924	#d# NEED to laod twice to resolve forward references	3756
2925	# this really needs to be done in an extra post-pass	3757	cf::face::set
2926	# (which needs to be synchronous, so solve it differently)	3758	"res/skill_info" => FT_RSRC,
2927	load_resource_file "$DATADIR/archetypes"	3759	JSON::XS->new->utf8->canonical->encode (
2928	or die "unable to load archetypes\n";	3760	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3761	);
		3762
		3763	cf::face::set
		3764	"res/spell_paths" => FT_RSRC,
		3765	JSON::XS->new->utf8->canonical->encode (
		3766	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3767	);
2929	}	3768	}
2930		3769
2931	sub reload_treasures {	3770	sub reload_treasures {
2932	load_resource_file "$DATADIR/treasures"	3771	load_resource_file "$DATADIR/treasures"
2933	or die "unable to load treasurelists\n";	3772	or die "unable to load treasurelists\n";
2934	}	3773	}
2935		3774
		3775	sub reload_sound {
		3776	trace "loading sound config from $DATADIR/sound\n";
		3777
		3778	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3779
		3780	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3781	my $sound = $soundconf->{compat}[$_]
		3782	or next;
		3783
		3784	my $face = cf::face::find "sound/$sound->[1]";
		3785	cf::sound::set $sound->[0] => $face;
		3786	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3787	}
		3788
		3789	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3790	my $face = cf::face::find "sound/$v";
		3791	cf::sound::set $k => $face;
		3792	}
		3793	}
		3794
2936	sub reload_resources {	3795	sub reload_resources {
2937	warn "reloading resource files...\n";	3796	trace "reloading resource files...\n";
2938		3797
		3798	reload_materials;
		3799	reload_facedata;
		3800	reload_exp_table;
		3801	reload_sound;
		3802	reload_archetypes;
2939	reload_regions;	3803	reload_regions;
2940	reload_facedata;
2941	#reload_archetypes;#d#
2942	reload_archetypes;
2943	reload_treasures;	3804	reload_treasures;
2944		3805
2945	warn "finished reloading resource files\n";	3806	trace "finished reloading resource files\n";
2946	}	3807	}
2947		3808
2948	sub init {	3809	sub reload_config {
2949	reload_resources;	3810	trace "reloading config file...\n";
2950	}
2951		3811
2952	sub cfg_load {	3812	my $config = load_file "$CONFDIR/config";
2953	open my $fh, "<:utf8", "$CONFDIR/config"	3813	utf8::decode $config;
2954	or return;	3814	*CFG = decode_yaml $config;
2955		3815
2956	local $/;
2957	*CFG = YAML::Syck::Load <$fh>;
2958
2959	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3816	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2960		3817
2961	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3818	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2962	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3819	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2963		3820
2964	if (exists $CFG{mlockall}) {	3821	if (exists $CFG{mlockall}) {
…		…
2968	};	3825	};
2969	warn $@ if $@;	3826	warn $@ if $@;
2970	}	3827	}
2971	}	3828	}
2972		3829
		3830	sub pidfile() {
		3831	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3832	or die "$PIDFILE: $!";
		3833	flock $fh, &Fcntl::LOCK_EX
		3834	or die "$PIDFILE: flock: $!";
		3835	$fh
		3836	}
		3837
		3838	# make sure only one server instance is running at any one time
		3839	sub atomic {
		3840	my $fh = pidfile;
		3841
		3842	my $pid = <$fh>;
		3843	kill 9, $pid if $pid > 0;
		3844
		3845	seek $fh, 0, 0;
		3846	print $fh $$;
		3847	}
		3848
		3849	sub main_loop {
		3850	trace "EV::loop starting\n";
		3851	if (1) {
		3852	EV::loop;
		3853	}
		3854	trace "EV::loop returned\n";
		3855	goto &main_loop unless $REALLY_UNLOOP;
		3856	}
		3857
2973	sub main {	3858	sub main {
		3859	cf::init_globals; # initialise logging
		3860
		3861	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3862	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3863	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3864	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3865
		3866	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3867
2974	# we must not ever block the main coroutine	3868	# we must not ever block the main coroutine
2975	local $Coro::idle = sub {	3869	$Coro::idle = sub {
2976	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3870	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2977	(async {	3871	(async {
2978	Event::one_event;	3872	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3873	EV::loop EV::LOOP_ONESHOT;
2979	})->prio (Coro::PRIO_MAX);	3874	})->prio (Coro::PRIO_MAX);
2980	};	3875	};
2981		3876
2982	cfg_load;	3877	evthread_start IO::AIO::poll_fileno;
		3878
		3879	cf::sync_job {
		3880	cf::incloader::init ();
		3881
2983	db_init;	3882	db_init;
		3883
		3884	cf::init_anim;
		3885	cf::init_attackmess;
		3886	cf::init_dynamic;
		3887
		3888	cf::load_settings;
		3889
		3890	reload_resources;
		3891	reload_config;
		3892
		3893	cf::init_uuid;
		3894	cf::init_signals;
		3895	cf::init_skills;
		3896
		3897	cf::init_beforeplay;
		3898
		3899	atomic;
		3900
2984	load_extensions;	3901	load_extensions;
2985		3902
2986	$TICK_WATCHER->start;	3903	utime time, time, $RUNTIMEFILE;
2987	Event::loop;	3904
		3905	# no (long-running) fork's whatsoever before this point(!)
		3906	use POSIX ();
		3907	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3908
		3909	cf::_post_init 0;
		3910	};
		3911
		3912	cf::object::thawer::errors_are_fatal 0;
		3913	info "parse errors in files are no longer fatal from this point on.\n";
		3914
		3915	AE::postpone {
		3916	undef &main; # free gobs of memory :)
		3917	};
		3918
		3919	goto &main_loop;
2988	}	3920	}
2989		3921
2990	#############################################################################	3922	#############################################################################
2991	# initialisation and cleanup	3923	# initialisation and cleanup
2992		3924
2993	# install some emergency cleanup handlers	3925	# install some emergency cleanup handlers
2994	BEGIN {	3926	BEGIN {
		3927	our %SIGWATCHER = ();
2995	for my $signal (qw(INT HUP TERM)) {	3928	for my $signal (qw(INT HUP TERM)) {
2996	Event->signal (	3929	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2997	reentrant => 0,
2998	data => WF_AUTOCANCEL,
2999	signal => $signal,
3000	prio => 0,
3001	cb => sub {
3002	cf::cleanup "SIG$signal";	3930	cf::cleanup "SIG$signal";
3003	},
3004	);	3931	};
3005	}	3932	}
3006	}	3933	}
3007		3934
3008	sub write_runtime {	3935	sub write_runtime_sync {
3009	my $runtime = "$LOCALDIR/runtime";	3936	my $t0 = AE::time;
3010		3937
3011	# first touch the runtime file to show we are still running:	3938	# first touch the runtime file to show we are still running:
3012	# the fsync below can take a very very long time.	3939	# the fsync below can take a very very long time.
3013		3940
3014	IO::AIO::aio_utime $runtime, undef, undef;	3941	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3015		3942
3016	my $guard = cf::lock_acquire "write_runtime";	3943	my $guard = cf::lock_acquire "write_runtime";
3017		3944
3018	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3945	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3019	or return;	3946	or return;
3020		3947
3021	my $value = $cf::RUNTIME + 90 + 10;	3948	my $value = $cf::RUNTIME + 90 + 10;
3022	# 10 is the runtime save interval, for a monotonic clock	3949	# 10 is the runtime save interval, for a monotonic clock
3023	# 60 allows for the watchdog to kill the server.	3950	# 60 allows for the watchdog to kill the server.
…		…
3033	aio_utime $fh, undef, undef;	3960	aio_utime $fh, undef, undef;
3034		3961
3035	close $fh	3962	close $fh
3036	or return;	3963	or return;
3037		3964
3038	aio_rename "$runtime~", $runtime	3965	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3039	and return;	3966	and return;
3040		3967
3041	warn "runtime file written.\n";	3968	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3042		3969
3043	1	3970	1
		3971	}
		3972
		3973	our $uuid_lock;
		3974	our $uuid_skip;
		3975
		3976	sub write_uuid_sync($) {
		3977	$uuid_skip ||= $_[0];
		3978
		3979	return if $uuid_lock;
		3980	local $uuid_lock = 1;
		3981
		3982	my $uuid = "$LOCALDIR/uuid";
		3983
		3984	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3985	or return;
		3986
		3987	my $value = uuid_seq uuid_cur;
		3988
		3989	unless ($value) {
		3990	info "cowardly refusing to write zero uuid value!\n";
		3991	return;
		3992	}
		3993
		3994	my $value = uuid_str $value + $uuid_skip;
		3995	$uuid_skip = 0;
		3996
		3997	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3998	and return;
		3999
		4000	# always fsync - this file is important
		4001	aio_fsync $fh
		4002	and return;
		4003
		4004	close $fh
		4005	or return;
		4006
		4007	aio_rename "$uuid~", $uuid
		4008	and return;
		4009
		4010	trace "uuid file written ($value).\n";
		4011
		4012	1
		4013
		4014	}
		4015
		4016	sub write_uuid($$) {
		4017	my ($skip, $sync) = @_;
		4018
		4019	$sync ? write_uuid_sync $skip
		4020	: async { write_uuid_sync $skip };
3044	}	4021	}
3045		4022
3046	sub emergency_save() {	4023	sub emergency_save() {
3047	my $freeze_guard = cf::freeze_mainloop;	4024	my $freeze_guard = cf::freeze_mainloop;
3048		4025
3049	warn "enter emergency perl save\n";	4026	info "emergency_perl_save: enter\n";
		4027
		4028	# this is a trade-off: we want to be very quick here, so
		4029	# save all maps without fsync, and later call a global sync
		4030	# (which in turn might be very very slow)
		4031	local $USE_FSYNC = 0;
3050		4032
3051	cf::sync_job {	4033	cf::sync_job {
		4034	cf::write_runtime_sync; # external watchdog should not bark
		4035
3052	# use a peculiar iteration method to avoid tripping on perl	4036	# use a peculiar iteration method to avoid tripping on perl
3053	# refcount bugs in for. also avoids problems with players	4037	# refcount bugs in for. also avoids problems with players
3054	# and maps saved/destroyed asynchronously.	4038	# and maps saved/destroyed asynchronously.
3055	warn "begin emergency player save\n";	4039	info "emergency_perl_save: begin player save\n";
3056	for my $login (keys %cf::PLAYER) {	4040	for my $login (keys %cf::PLAYER) {
3057	my $pl = $cf::PLAYER{$login} or next;	4041	my $pl = $cf::PLAYER{$login} or next;
3058	$pl->valid or next;	4042	$pl->valid or next;
		4043	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3059	$pl->save;	4044	$pl->save;
3060	}	4045	}
3061	warn "end emergency player save\n";	4046	info "emergency_perl_save: end player save\n";
3062		4047
3063	warn "begin emergency map save\n";	4048	cf::write_runtime_sync; # external watchdog should not bark
		4049
		4050	info "emergency_perl_save: begin map save\n";
3064	for my $path (keys %cf::MAP) {	4051	for my $path (keys %cf::MAP) {
3065	my $map = $cf::MAP{$path} or next;	4052	my $map = $cf::MAP{$path} or next;
3066	$map->valid or next;	4053	$map->valid or next;
3067	$map->save;	4054	$map->save;
3068	}	4055	}
3069	warn "end emergency map save\n";	4056	info "emergency_perl_save: end map save\n";
3070		4057
3071	warn "begin emergency database checkpoint\n";	4058	cf::write_runtime_sync; # external watchdog should not bark
		4059
		4060	info "emergency_perl_save: begin database checkpoint\n";
3072	BDB::db_env_txn_checkpoint $DB_ENV;	4061	BDB::db_env_txn_checkpoint $DB_ENV;
3073	warn "end emergency database checkpoint\n";	4062	info "emergency_perl_save: end database checkpoint\n";
		4063
		4064	info "emergency_perl_save: begin write uuid\n";
		4065	write_uuid_sync 1;
		4066	info "emergency_perl_save: end write uuid\n";
		4067
		4068	cf::write_runtime_sync; # external watchdog should not bark
		4069
		4070	trace "emergency_perl_save: syncing database to disk";
		4071	BDB::db_env_txn_checkpoint $DB_ENV;
		4072
		4073	info "emergency_perl_save: starting sync\n";
		4074	IO::AIO::aio_sync sub {
		4075	info "emergency_perl_save: finished sync\n";
		4076	};
		4077
		4078	cf::write_runtime_sync; # external watchdog should not bark
		4079
		4080	trace "emergency_perl_save: flushing outstanding aio requests";
		4081	while (IO::AIO::nreqs || BDB::nreqs) {
		4082	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4083	}
		4084
		4085	cf::write_runtime_sync; # external watchdog should not bark
3074	};	4086	};
3075		4087
3076	warn "leave emergency perl save\n";	4088	info "emergency_perl_save: leave\n";
3077	}	4089	}
3078		4090
3079	sub post_cleanup {	4091	sub post_cleanup {
3080	my ($make_core) = @_;	4092	my ($make_core) = @_;
3081		4093
		4094	IO::AIO::flush;
		4095
3082	warn Carp::longmess "post_cleanup backtrace"	4096	error Carp::longmess "post_cleanup backtrace"
3083	if $make_core;	4097	if $make_core;
		4098
		4099	my $fh = pidfile;
		4100	unlink $PIDFILE if <$fh> == $$;
		4101	}
		4102
		4103	# a safer delete_package, copied from Symbol
		4104	sub clear_package($) {
		4105	my $pkg = shift;
		4106
		4107	# expand to full symbol table name if needed
		4108	unless ($pkg =~ /^main::.*::$/) {
		4109	$pkg = "main$pkg" if $pkg =~ /^::/;
		4110	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4111	$pkg .= '::' unless $pkg =~ /::$/;
		4112	}
		4113
		4114	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4115	my $stem_symtab = *{$stem}{HASH};
		4116
		4117	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4118	or return;
		4119
		4120	# clear all symbols
		4121	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4122	for my $name (keys %$leaf_symtab) {
		4123	_gv_clear *{"$pkg$name"};
		4124	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4125	}
3084	}	4126	}
3085		4127
3086	sub do_reload_perl() {	4128	sub do_reload_perl() {
3087	# can/must only be called in main	4129	# can/must only be called in main
3088	if ($Coro::current != $Coro::main) {	4130	unless (in_main) {
3089	warn "can only reload from main coroutine";	4131	error "can only reload from main coroutine";
3090	return;	4132	return;
3091	}	4133	}
3092		4134
3093	warn "reloading...";	4135	return if $RELOAD++;
3094		4136
3095	warn "entering sync_job";	4137	my $t1 = AE::time;
3096		4138
		4139	while ($RELOAD) {
		4140	cf::get_slot 0.1, -1, "reload_perl";
		4141	info "perl_reload: reloading...";
		4142
		4143	trace "perl_reload: entering sync_job";
		4144
3097	cf::sync_job {	4145	cf::sync_job {
3098	cf::write_runtime; # external watchdog should not bark
3099	cf::emergency_save;	4146	#cf::emergency_save;
3100	cf::write_runtime; # external watchdog should not bark
3101		4147
3102	warn "syncing database to disk";
3103	BDB::db_env_txn_checkpoint $DB_ENV;
3104
3105	# if anything goes wrong in here, we should simply crash as we already saved
3106
3107	warn "cancelling all WF_AUTOCANCEL watchers";
3108	for (Event::all_watchers) {
3109	$_->cancel if $_->data & WF_AUTOCANCEL;
3110	}
3111
3112	warn "flushing outstanding aio requests";
3113	for (;;) {
3114	BDB::flush;
3115	IO::AIO::flush;
3116	Coro::cede;
3117	last unless IO::AIO::nreqs || BDB::nreqs;
3118	warn "iterate...";
3119	}
3120
3121	++$RELOAD;
3122
3123	warn "cancelling all extension coros";	4148	trace "perl_reload: cancelling all extension coros";
3124	$_->cancel for values %EXT_CORO;	4149	$_->cancel for values %EXT_CORO;
3125	%EXT_CORO = ();	4150	%EXT_CORO = ();
3126		4151
3127	warn "removing commands";	4152	trace "perl_reload: removing commands";
3128	%COMMAND = ();	4153	%COMMAND = ();
3129		4154
3130	warn "removing ext/exti commands";	4155	trace "perl_reload: removing ext/exti commands";
3131	%EXTCMD = ();	4156	%EXTCMD = ();
3132	%EXTICMD = ();	4157	%EXTICMD = ();
3133		4158
3134	warn "unloading/nuking all extensions";	4159	trace "perl_reload: unloading/nuking all extensions";
3135	for my $pkg (@EXTS) {	4160	for my $pkg (@EXTS) {
3136	warn "... unloading $pkg";	4161	trace "... unloading $pkg";
3137		4162
3138	if (my $cb = $pkg->can ("unload")) {	4163	if (my $cb = $pkg->can ("unload")) {
3139	eval {	4164	eval {
3140	$cb->($pkg);	4165	$cb->($pkg);
3141	1	4166	1
3142	} or warn "$pkg unloaded, but with errors: $@";	4167	} or error "$pkg unloaded, but with errors: $@";
		4168	}
		4169
		4170	trace "... clearing $pkg";
		4171	clear_package $pkg;
3143	}	4172	}
3144		4173
3145	warn "... nuking $pkg";
3146	Symbol::delete_package $pkg;
3147	}
3148
3149	warn "unloading all perl modules loaded from $LIBDIR";	4174	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3150	while (my ($k, $v) = each %INC) {	4175	while (my ($k, $v) = each %INC) {
3151	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4176	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3152		4177
3153	warn "... unloading $k";	4178	trace "... unloading $k";
3154	delete $INC{$k};	4179	delete $INC{$k};
3155		4180
3156	$k =~ s/\.pm$//;	4181	$k =~ s/\.pm$//;
3157	$k =~ s/\//::/g;	4182	$k =~ s/\//::/g;
3158		4183
3159	if (my $cb = $k->can ("unload_module")) {	4184	if (my $cb = $k->can ("unload_module")) {
3160	$cb->();	4185	$cb->();
		4186	}
		4187
		4188	clear_package $k;
3161	}	4189	}
3162		4190
3163	Symbol::delete_package $k;
3164	}
3165
3166	warn "getting rid of safe::, as good as possible";	4191	trace "perl_reload: getting rid of safe::, as good as possible";
3167	Symbol::delete_package "safe::$_"	4192	clear_package "safe::$_"
3168	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4193	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3169		4194
3170	warn "unloading cf.pm \"a bit\"";	4195	trace "perl_reload: unloading cf.pm \"a bit\"";
3171	delete $INC{"cf.pm"};	4196	delete $INC{"cf.pm"};
3172	delete $INC{"cf/pod.pm"};	4197	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3173		4198
3174	# don't, removes xs symbols, too,	4199	# don't, removes xs symbols, too,
3175	# and global variables created in xs	4200	# and global variables created in xs
3176	#Symbol::delete_package __PACKAGE__;	4201	#clear_package __PACKAGE__;
3177		4202
3178	warn "unload completed, starting to reload now";	4203	info "perl_reload: unload completed, starting to reload now";
3179		4204
3180	warn "reloading cf.pm";	4205	trace "perl_reload: reloading cf.pm";
3181	require cf;	4206	require cf;
3182	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4207	cf::_connect_to_perl_1;
3183		4208
3184	warn "loading config and database again";	4209	trace "perl_reload: loading config and database again";
3185	cf::cfg_load;	4210	cf::reload_config;
3186		4211
3187	warn "loading extensions";	4212	trace "perl_reload: loading extensions";
3188	cf::load_extensions;	4213	cf::load_extensions;
3189		4214
		4215	if ($REATTACH_ON_RELOAD) {
3190	warn "reattaching attachments to objects/players";	4216	trace "perl_reload: reattaching attachments to objects/players";
3191	_global_reattach; # objects, sockets	4217	_global_reattach; # objects, sockets
3192	warn "reattaching attachments to maps";	4218	trace "perl_reload: reattaching attachments to maps";
3193	reattach $_ for values %MAP;	4219	reattach $_ for values %MAP;
3194	warn "reattaching attachments to players";	4220	trace "perl_reload: reattaching attachments to players";
3195	reattach $_ for values %PLAYER;	4221	reattach $_ for values %PLAYER;
		4222	}
3196		4223
3197	warn "leaving sync_job";	4224	cf::_post_init 1;
3198		4225
		4226	trace "perl_reload: leaving sync_job";
		4227
3199	1	4228	1
3200	} or do {	4229	} or do {
3201	warn $@;	4230	error $@;
3202	warn "error while reloading, exiting.";	4231	cf::cleanup "perl_reload: error, exiting.";
3203	exit 1;	4232	};
		4233
		4234	--$RELOAD;
3204	};	4235	}
3205		4236
3206	warn "reloaded";	4237	$t1 = AE::time - $t1;
		4238	info "perl_reload: completed in ${t1}s\n";
3207	};	4239	};
3208		4240
3209	our $RELOAD_WATCHER; # used only during reload	4241	our $RELOAD_WATCHER; # used only during reload
3210		4242
3211	sub reload_perl() {	4243	sub reload_perl() {
3212	# doing reload synchronously and two reloads happen back-to-back,	4244	# doing reload synchronously and two reloads happen back-to-back,
3213	# coro crashes during coro_state_free->destroy here.	4245	# coro crashes during coro_state_free->destroy here.
3214		4246
3215	$RELOAD_WATCHER ||= Event->timer (	4247	$RELOAD_WATCHER ||= cf::async {
3216	reentrant => 0,	4248	Coro::AIO::aio_wait cache_extensions;
3217	after => 0,	4249
3218	data => WF_AUTOCANCEL,	4250	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3219	cb => sub {
3220	do_reload_perl;	4251	do_reload_perl;
3221	undef $RELOAD_WATCHER;	4252	undef $RELOAD_WATCHER;
3222	},	4253	};
3223	);	4254	};
3224	}	4255	}
3225		4256
3226	register_command "reload" => sub {	4257	register_command "reload" => sub {
3227	my ($who, $arg) = @_;	4258	my ($who, $arg) = @_;
3228		4259
3229	if ($who->flag (FLAG_WIZ)) {	4260	if ($who->flag (FLAG_WIZ)) {
3230	$who->message ("reloading server.");	4261	$who->message ("reloading server.");
		4262	async {
		4263	$Coro::current->{desc} = "perl_reload";
3231	async { reload_perl };	4264	reload_perl;
		4265	};
3232	}	4266	}
3233	};	4267	};
3234		4268
3235	unshift @INC, $LIBDIR;	4269	#############################################################################
3236		4270
3237	my $bug_warning = 0;	4271	my $bug_warning = 0;
3238		4272
3239	our @WAIT_FOR_TICK;
3240	our @WAIT_FOR_TICK_BEGIN;
3241
3242	sub wait_for_tick {	4273	sub wait_for_tick() {
3243	return unless $TICK_WATCHER->is_active;	4274	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3244	return if $Coro::current == $Coro::main;
3245		4275
3246	my $signal = new Coro::Signal;	4276	$WAIT_FOR_TICK->wait;
3247	push @WAIT_FOR_TICK, $signal;
3248	$signal->wait;
3249	}	4277	}
3250		4278
3251	sub wait_for_tick_begin {	4279	sub wait_for_tick_begin() {
3252	return unless $TICK_WATCHER->is_active;	4280	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3253	return if $Coro::current == $Coro::main;
3254		4281
3255	my $signal = new Coro::Signal;	4282	my $signal = new Coro::Signal;
3256	push @WAIT_FOR_TICK_BEGIN, $signal;	4283	push @WAIT_FOR_TICK_BEGIN, $signal;
3257	$signal->wait;	4284	$signal->wait;
3258	}	4285	}
3259		4286
3260	my $min = 1e6;#d#	4287	sub tick {
3261	my $avg = 10;
3262	$TICK_WATCHER = Event->timer (
3263	reentrant => 0,
3264	parked => 1,
3265	prio => 0,
3266	at => $NEXT_TICK || $TICK,
3267	data => WF_AUTOCANCEL,
3268	cb => sub {
3269	if ($Coro::current != $Coro::main) {	4288	if ($Coro::current != $Coro::main) {
3270	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4289	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3271	unless ++$bug_warning > 10;	4290	unless ++$bug_warning > 10;
3272	return;	4291	return;
3273	}	4292	}
3274		4293
3275	$NOW = $tick_start = Event::time;	4294	cf::one_tick; # one server iteration
3276		4295
3277	cf::server_tick; # one server iteration	4296	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3278		4297
3279	0 && sync_job {#d#	4298	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3280	for(1..10) {	4299	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3281	my $t = Event::time;	4300	Coro::async_pool {
3282	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4301	$Coro::current->{desc} = "runtime saver";
3283	or die;	4302	write_runtime_sync
3284		4303	or error "ERROR: unable to write runtime file: $!";
3285	$map->width (50);
3286	$map->height (50);
3287	$map->alloc;
3288	$map->_load_objects ("/tmp/x.map", 1);
3289	my $t = Event::time - $t;
3290
3291	#next unless $t < 0.0013;#d#
3292	if ($t < $min) {
3293	$min = $t;
3294	}
3295	$avg = $avg * 0.99 + $t * 0.01;
3296	}
3297	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3298	exit 0;
3299	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3300	};	4304	};
		4305	}
3301		4306
3302	$RUNTIME += $TICK;
3303	$NEXT_TICK += $TICK;
3304
3305	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3306	$NEXT_RUNTIME_WRITE = $NOW + 10;
3307	Coro::async_pool {
3308	write_runtime
3309	or warn "ERROR: unable to write runtime file: $!";
3310	};
3311	}
3312
3313	# my $AFTER = Event::time;
3314	# warn $AFTER - $NOW;#d#
3315
3316	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4307	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3317	$sig->send;	4308	$sig->send;
3318	}	4309	}
3319	while (my $sig = shift @WAIT_FOR_TICK) {	4310	$WAIT_FOR_TICK->broadcast;
3320	$sig->send;
3321	}
3322		4311
3323	$NOW = Event::time;	4312	$LOAD = ($NOW - $TICK_START) / $TICK;
3324
3325	# if we are delayed by four ticks or more, skip them all
3326	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3327
3328	$TICK_WATCHER->at ($NEXT_TICK);
3329	$TICK_WATCHER->start;
3330
3331	$LOAD = ($NOW - $tick_start) / $TICK;
3332	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4313	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3333		4314
3334	_post_tick;	4315	if (0) {
3335		4316	if ($NEXT_TICK) {
3336		4317	my $jitter = $TICK_START - $NEXT_TICK;
		4318	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4319	debug "jitter $JITTER\n";#d#
		4320	}
3337	},	4321	}
3338	);	4322	}
3339		4323
3340	{	4324	{
3341	BDB::max_poll_time $TICK * 0.1;	4325	# configure BDB
3342	$BDB_POLL_WATCHER = Event->io (	4326	info "initialising database";
3343	reentrant => 0,	4327
3344	fd => BDB::poll_fileno,
3345	poll => 'r',
3346	prio => 0,
3347	data => WF_AUTOCANCEL,
3348	cb => \&BDB::poll_cb,
3349	);
3350	BDB::min_parallel 8;	4328	BDB::min_parallel 16;
3351		4329	BDB::max_poll_reqs $TICK * 0.1;
3352	BDB::set_sync_prepare {	4330	#$AnyEvent::BDB::WATCHER->priority (1);
3353	my $status;
3354	my $current = $Coro::current;
3355	(
3356	sub {
3357	$status = $!;
3358	$current->ready; undef $current;
3359	},
3360	sub {
3361	Coro::schedule while defined $current;
3362	$! = $status;
3363	},
3364	)
3365	};
3366		4331
3367	unless ($DB_ENV) {	4332	unless ($DB_ENV) {
3368	$DB_ENV = BDB::db_env_create;	4333	$DB_ENV = BDB::db_env_create;
		4334	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4335	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4336	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4337	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4338	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3369		4339
3370	cf::sync_job {	4340	cf::sync_job {
3371	eval {	4341	eval {
3372	BDB::db_env_open	4342	BDB::db_env_open
3373	$DB_ENV,	4343	$DB_ENV,
…		…
3375	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4345	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3376	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4346	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3377	0666;	4347	0666;
3378		4348
3379	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4349	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3380
3381	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3382	$DB_ENV->set_lk_detect;
3383	};	4350	};
3384		4351
3385	cf::cleanup "db_env_open(db): $@" if $@;	4352	cf::cleanup "db_env_open(db): $@" if $@;
3386	};	4353	};
3387	}	4354	}
		4355
		4356	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4357	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4358	};
		4359	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4360	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4361	};
		4362	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4363	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4364	};
		4365
		4366	info "database initialised";
3388	}	4367	}
3389		4368
3390	{	4369	{
		4370	# configure IO::AIO
		4371
		4372	info "initialising aio";
3391	IO::AIO::min_parallel 8;	4373	IO::AIO::min_parallel 8;
3392
3393	undef $Coro::AIO::WATCHER;
3394	IO::AIO::max_poll_time $TICK * 0.1;	4374	IO::AIO::max_poll_time $TICK * 0.1;
3395	$AIO_POLL_WATCHER = Event->io (	4375	undef $AnyEvent::AIO::WATCHER;
3396	reentrant => 0,	4376	info "aio initialised";
3397	data => WF_AUTOCANCEL,
3398	fd => IO::AIO::poll_fileno,
3399	poll => 'r',
3400	prio => 6,
3401	cb => \&IO::AIO::poll_cb,
3402	);
3403	}	4377	}
3404		4378
3405	my $_log_backtrace;	4379	our $_log_backtrace;
		4380	our $_log_backtrace_last;
3406		4381
3407	sub _log_backtrace {	4382	sub _log_backtrace {
3408	my ($msg, @addr) = @_;	4383	my ($msg, @addr) = @_;
3409		4384
3410	$msg =~ s/\n//;	4385	$msg =~ s/\n$//;
3411		4386
		4387	if ($_log_backtrace_last eq $msg) {
		4388	LOG llevInfo, "[ABT] $msg\n";
		4389	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3412	# limit the # of concurrent backtraces	4390	# limit the # of concurrent backtraces
3413	if ($_log_backtrace < 2) {	4391	} elsif ($_log_backtrace < 2) {
		4392	$_log_backtrace_last = $msg;
3414	++$_log_backtrace;	4393	++$_log_backtrace;
		4394	my $perl_bt = Carp::longmess $msg;
3415	async {	4395	async {
		4396	$Coro::current->{desc} = "abt $msg";
		4397
3416	my @bt = fork_call {	4398	my @bt = fork_call {
3417	@addr = map { sprintf "%x", $_ } @addr;	4399	@addr = map { sprintf "%x", $_ } @addr;
3418	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4400	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3419	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4401	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3420	or die "addr2line: $!";	4402	or die "addr2line: $!";
…		…
3428	}	4410	}
3429		4411
3430	@funcs	4412	@funcs
3431	};	4413	};
3432		4414
3433	LOG llevInfo, "[ABT] $msg\n";	4415	LOG llevInfo, "[ABT] $perl_bt\n";
		4416	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3434	LOG llevInfo, "[ABT] $_\n" for @bt;	4417	LOG llevInfo, "[ABT] $_\n" for @bt;
3435	--$_log_backtrace;	4418	--$_log_backtrace;
3436	};	4419	};
3437	} else {	4420	} else {
3438	LOG llevInfo, "[ABT] $msg\n";	4421	LOG llevInfo, "[ABT] $msg\n";
3439	LOG llevInfo, "[ABT] [suppressed]\n";	4422	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3440	}	4423	}
3441	}	4424	}
3442		4425
3443	# load additional modules	4426	# load additional modules
3444	use cf::pod;	4427	require "cf/$_.pm" for @EXTRA_MODULES;
		4428	cf::_connect_to_perl_2;
3445		4429
3446	END { cf::emergency_save }	4430	END { cf::emergency_save }
3447		4431
3448	1	4432	1
3449		4433

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