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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.313 by root, Sun Jul 22 14:17:58 2007 UTC vs.
Revision 1.611 by root, Tue Nov 20 14:54:17 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	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
322	};	623	}
323	$TICK_WATCHER->stop;	624	};
324	$guard	625
		626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
325	}	639	}
326		640
327	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
328		642
329	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		648
335	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
336		650
337	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
338		652
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
340	is always able to handle events or runnable, as Crossfire TRT is only	654	is always able to handle events or runnable, as Deliantra is only
341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342	acceptable.	656	acceptable.
343		657
344	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
345	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
…		…
349	=cut	663	=cut
350		664
351	sub sync_job(&) {	665	sub sync_job(&) {
352	my ($job) = @_;	666	my ($job) = @_;
353		667
354	if ($Coro::current == $Coro::main) {	668	if (in_main) {
355	my $time = Event::time;	669	my $time = AE::time;
356		670
357	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
359		673
360	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	675
362	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
363		677
364	my $busy = 1;	678	my $busy = 1;
365	my @res;	679	my @res;
366		680
367	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	683	@res = eval { $job->() };
369	warn $@ if $@;	684	error $@ if $@;
370	undef $busy;	685	undef $busy;
371	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
372		687
373	while ($busy) {	688	while ($busy) {
374	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
375	}	693	}
		694	}
376		695
377	$time = Event::time - $time;	696	my $time = AE::time - $time;
378		697
379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
383		699
384	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
385	} else {	701	} else {
386	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
387		703
…		…
407	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
408		724
409	$coro	725	$coro
410	}	726	}
411		727
412	=item fork_call { }, $args	728	=item fork_call { }, @args
413		729
414	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
415	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
416	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
417	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
418		734
419	=cut	735	=cut
420		736
421	sub _store_scalar {	737	sub post_fork {
422	open my $fh, ">", \my $buf	738	reset_signals;
423	or die "fork_call: cannot open fh-to-buf in child : $!";
424	Storable::store_fd $_[0], $fh;
425	close $fh;
426
427	$buf
428	}	739	}
429		740
430	sub fork_call(&@) {	741	sub fork_call(&@) {
431	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
432		743
433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	744	my @res = Coro::Util::fork_eval {
434	# or die "socketpair: $!";	745	cf::post_fork;
435	pipe my $fh1, my $fh2	746	&$cb
436	or die "pipe: $!";	747	} @args;
437		748
438	if (my $pid = fork) {	749	wantarray ? @res : $res[-1]
439	close $fh2;	750	}
440		751
441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	752	sub objinfo {
442	warn "pst<$res>" unless $res =~ /^pst/;
443	$res = Coro::Storable::thaw $res;
444
445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
446
447	Carp::confess $$res unless "ARRAY" eq ref $res;
448
449	return wantarray ? @$res : $res->[-1];
450	} else {
451	reset_signals;
452	local $SIG{__WARN__};
453	local $SIG{__DIE__};
454	# just in case, this hack effectively disables event
455	# in the child. cleaner and slower would be canceling all watchers,
456	# but this works for the time being.
457	local $Coro::idle;
458	$Coro::current->prio (Coro::PRIO_MAX);
459
460	eval {
461	close $fh1;
462
463	my @res = eval { $cb->(@args) };
464
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
466	close $fh2;
467	};
468
469	warn $@ if $@;
470	_exit 0;
471	}	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
472	}	788	}
473		789
474	=item $value = cf::db_get $family => $key	790	=item $value = cf::db_get $family => $key
475		791
476	Returns a single value from the environment database.	792	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	794	=item cf::db_put $family => $key => $value
479		795
480	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
481	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).
482		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
483	=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	}
484		825
485	our $DB;	826	our $DB;
486		827
487	sub db_init {	828	sub db_init {
488	unless ($DB) {	829	$DB ||= db_table "db";
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {
492	eval {
493	$DB->set_flags (BDB::CHKSUM);
494
495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497	cf::cleanup "db_open(db): $!" if $!;
498	};
499	cf::cleanup "db_open(db): $@" if $@;
500	};
501	}
502	}	830	}
503		831
504	sub db_get($$) {	832	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
506		834
507	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
508	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
509		839
510	$! ? ()	840	$! ? ()
511	: $data	841	: $data
512	}
513	}	842	}
514		843
515	sub db_put($$$) {	844	sub db_put($$$) {
516	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
545		874
546	my @data;	875	my @data;
547	my $md5;	876	my $md5;
548		877
549	for (0 .. $#$src) {	878	for (0 .. $#$src) {
550	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
551	or Carp::croak "$src->[$_]: $!";
552	}	880	}
553		881
554	# if processing is expensive, check	882	# if processing is expensive, check
555	# checksum first	883	# checksum first
556	if (1) {	884	if (1) {
557	$md5 =	885	$md5 =
558	join "\x00",	886	join "\x00",
559	$processversion,	887	$processversion,
560	map {	888	map {
561	Coro::cede;	889	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	890	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	891	} 0.. $#$src;
564		892
565		893
566	my $dbmd5 = db_get cache => "$id/md5";	894	my $dbmd5 = db_get cache => "$id/md5";
…		…
569		897
570	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
571	}	899	}
572	}	900	}
573		901
574	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
575	my $data = $process->(\@data);	903	my $data = $process->(\@data);
576	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
577		905
578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
579		907
580	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
581	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
582	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
583		911
…		…
593		921
594	=cut	922	=cut
595		923
596	sub datalog($@) {	924	sub datalog($@) {
597	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
599	}	927	}
600		928
601	=back	929	=back
602		930
603	=cut	931	=cut
604		932
605	#############################################################################	933	#############################################################################
606		934
607	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
608		936
609	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
610	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")
611	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
612		940
613	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>
614	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
615	Crossfire TRT).	943	Deliantra).
616		944
617	=over 4	945	=over 4
618		946
619	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
620		948
…		…
664	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
665		993
666	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
667	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
668		996
669	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
670	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.
671		999
672	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
673		1001
674	=over 4	1002	=over 4
…		…
798		1126
799	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
800	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
801		1129
802	} elsif (ref $type) {	1130	} elsif (ref $type) {
803	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
804		1132
805	} else {	1133	} else {
806	shift @arg;	1134	shift @arg;
807	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
808	}	1136	}
809	}	1137	}
810	}	1138	}
811		1139
812	sub _object_attach {	1140	sub _object_attach {
…		…
822	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
823	}	1151	}
824		1152
825	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
826	} else {	1154	} else {
827	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
828	}	1156	}
829		1157
830	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
831	}	1159	}
832		1160
…		…
891		1219
892	for (@$callbacks) {	1220	for (@$callbacks) {
893	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
894		1222
895	if ($@) {	1223	if ($@) {
896	warn "$@";
897	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
898	override;	1225	override;
899	}	1226	}
900		1227
901	return 1 if $override;	1228	return 1 if $override;
902	}	1229	}
903		1230
904	0	1231	0
905	}	1232	}
906		1233
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1235
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1237
911	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
912		1239
…		…
918		1245
919	=cut	1246	=cut
920		1247
921	#############################################################################	1248	#############################################################################
922	# object support	1249	# object support
923	#
924		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#
925	sub _can_merge {	1284	sub _can_merge {
926	my ($ob1, $ob2) = @_;	1285	my ($ob1, $ob2) = @_;
927		1286
928	local $Storable::canonical = 1;	1287	++$SLOW_MERGES;#d#
929	my $fob1 = Storable::freeze $ob1;
930	my $fob2 = Storable::freeze $ob2;
931		1288
932	$fob1 eq $fob2	1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
933	}	1291	}
934		1292
935	sub reattach {	1293	sub reattach {
936	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
937	my ($obj) = @_;	1295	my ($obj) = @_;
938		1296
		1297	# no longer needed after getting rid of delete_package?
939	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
940		1299
941	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
942		1301
943	@$registry = ();	1302	@$registry = ();
944		1303
…		…
949	for (@$attach) {	1308	for (@$attach) {
950	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
951	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
952	}	1311	}
953	} else {	1312	} else {
954	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
955	}	1314	}
956	}	1315	}
957	}	1316	}
958		1317
959	cf::attachable->attach (	1318	cf::attachable->attach (
960	prio => -1000000,	1319	prio => -1000000,
961	on_instantiate => sub {	1320	on_instantiate => sub {
962	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
963		1322
964	$data = from_json $data;	1323	$data = decode_json $data;
965		1324
966	for (@$data) {	1325	for (@$data) {
967	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
968		1327
969	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
985	sub object_freezer_save {	1344	sub object_freezer_save {
986	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
987		1346
988	sync_job {	1347	sync_job {
989	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
990	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
991	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
992		1353
993	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
994	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
995	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
996	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	}
997	close $fh;	1361	aio_close $fh;
998		1362
999	if (@$objs) {	1363	if (@$objs) {
1000	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) {
1001	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
1002	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1003	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1004	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	}
1005	close $fh;	1372	aio_close $fh;
1006	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1007	}	1374	}
1008	} else {	1375	} else {
1009	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1010	}	1377	}
1011		1378
1012	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1013	} else {	1383	} else {
1014	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1015	}	1385	}
1016	} else {	1386	} else {
1017	aio_unlink $filename;	1387	aio_unlink $filename;
1018	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1019	}	1389	}
1020	}	1390	};
1021	}	1391	}
1022		1392
1023	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
1024	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
1025		1395
…		…
1037	or return;	1407	or return;
1038		1408
1039	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
1040	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
1041	or return;	1411	or return;
		1412
1042	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
1043	}	1415	}
1044		1416
		1417	utf8::decode (my $decname = $filename);
1045	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1046	$filename, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
1047	return ($data, $av);	1422	($data, $av)
1048	}	1423	}
1049		1424
1050	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
1051		1426
1052	=over 4	1427	=over 4
…		…
1054	=cut	1429	=cut
1055		1430
1056	#############################################################################	1431	#############################################################################
1057	# command handling &c	1432	# command handling &c
1058		1433
1059	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1060		1435
1061	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
1062	$name.	1437	$name.
1063		1438
1064	=cut	1439	=cut
…		…
1070	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1071		1446
1072	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1073	}	1448	}
1074		1449
1075	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1076		1451
1077	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1078	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
1079	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
1080	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
1081	has logged in successfully.	1456	has logged in successfully.
1082		1457
1083	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1084	called.
1085		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
1086	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1087		1466
1088	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1089	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
1090	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
1091	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
1092	log-in.	1471	log-in.
1093		1472
1094	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1095	called.
1096		1474
1097	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1098		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
1099	sub register_extcmd {	1482	sub register_extcmd($$) {
1100	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1101		1484
1102	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1103	}	1486	}
1104		1487
1105	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1106	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1107		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1108	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1109	}	1498	}
1110		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1111	cf::player->attach (	1508	cf::player->attach (
1112	on_command => sub {	1509	on_unknown_command => sub {
1113	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1114		1511
1115	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1116	or return;	1513	or return;
1117		1514
…		…
1125	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1126		1523
1127	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1128		1525
1129	if (ref $msg) {	1526	if (ref $msg) {
		1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1528
1130	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1529	if (my $cb = $EXTACMD{$type}) {
1131	if (my %reply = $cb->($pl, $msg)) {	1530	$cb->(
1132	$pl->ext_reply ($msg->{msgid}, %reply);	1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
		1542	@reply = $cb->($pl, @payload);
1133	}	1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1134	}	1547	}
		1548
1135	} else {	1549	} else {
1136	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1137	}	1551	}
1138		1552
1139	cf::override;	1553	cf::override;
1140	},	1554	},
1141	);	1555	);
1142		1556
		1557	# "readahead" all extensions
		1558	sub cache_extensions {
		1559	my $grp = IO::AIO::aio_group;
		1560
		1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1562	for (grep /\.ext$/, @{$_[0]}) {
		1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1564	}
		1565	};
		1566
		1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1579	}
		1580
1143	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1144	cf::sync_job {	1586	cf::sync_job {
1145	my %todo;	1587	my %todo;
1146		1588
1147	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1148	next unless -r $path;	1590	next unless -r $path;
…		…
1166		1608
1167	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1168	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1169		1611
1170	$ext{source} =	1612	$ext{source} =
1171	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1172	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1173	. $source	1615	. $source
1174	. "\n};\n1";	1616	. "\n};\n1";
1175		1617
1176	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1177	}	1619	}
1178		1620
		1621	my $pass = 0;
1179	my %done;	1622	my %done;
1180	while (%todo) {	1623	while (%todo) {
1181	my $progress;	1624	my $progress;
1182		1625
		1626	++$pass;
		1627
		1628	ext:
1183	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1184	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1185	goto skip	1631	next ext
1186	unless exists $done{$_};	1632	unless exists $done{$_};
1187	}	1633	}
1188		1634
1189	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1190		1636
1191	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 $@) {
1192	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1193	: "$v->{base}: extension inactive.\n";
1194		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1195	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1196	warn $msg;	1653
1197	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1198	exit 1;	1655	delete $todo{$k};
1199	}	1656	} else {
1200		1657	$done{$k} = delete $todo{$k};
1201	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1202	}	1663	}
1203
1204	$done{$k} = delete $todo{$k};
1205	push @EXTS, $v->{pkg};
1206	$progress = 1;
1207	}	1664	}
1208		1665
1209	skip:	1666	unless ($progress) {
1210	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1211	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	}
1212	}	1676	}
1213	};	1677	};
1214	}	1678	}
1215		1679
1216	#############################################################################	1680	#############################################################################
1217		1681
1218	=back	1682	=back
1219		1683
1220	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1221		1685
1222	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1223		1687
1224	=cut	1688	=cut
1225		1689
1226	package cf::player;	1690	package cf::player;
1227		1691
1228	use Coro::AIO;	1692	use Coro::AIO;
1229		1693
1230	=head3 cf::player	1694	=head3 cf::player
1231		1695
1232	=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	}
1233		1711
1234	=item cf::player::find $login	1712	=item cf::player::find $login
1235		1713
1236	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
1237		1715
…		…
1256		1734
1257	sub exists($) {	1735	sub exists($) {
1258	my ($login) = @_;	1736	my ($login) = @_;
1259		1737
1260	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1261	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1262	}	1740	}
1263		1741
1264	sub find($) {	1742	sub find($) {
1265	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1266	my $login = $_[0];	1744	my $login = $_[0];
…		…
1273	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1274	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1275	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1276	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1277		1755
1278	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
1279	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;
1280	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1281	}	1765	}
1282	}	1766	}
1283	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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	);
1284		1781
1285	sub save($) {	1782	sub save($) {
1286	my ($pl) = @_;	1783	my ($pl) = @_;
1287		1784
1288	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1293	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1294		1791
1295	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1296	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1297		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
1298	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1299	Coro::cede;	1801	cf::cede_to_tick;
1300	}	1802	}
1301		1803
1302	sub new($) {	1804	sub new($) {
1303	my ($login) = @_;	1805	my ($login) = @_;
1304		1806
…		…
1310	$cf::PLAYER{$login} = $self;	1812	$cf::PLAYER{$login} = $self;
1311		1813
1312	$self	1814	$self
1313	}	1815	}
1314		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
1315	=item $pl->quit_character	1827	=item $pl->quit_character
1316		1828
1317	Nukes the player without looking back. If logged in, the connection will	1829	Nukes the player without looking back. If logged in, the connection will
1318	be destroyed. May block for a long time.	1830	be destroyed. May block for a long time.
1319		1831
…		…
1323	my ($pl) = @_;	1835	my ($pl) = @_;
1324		1836
1325	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1326		1838
1327	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1328	$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
1329		1841
1330	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1331	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1332	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1333	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1334		1850
1335	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1336	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1337	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1372	or return [];	1888	or return [];
1373		1889
1374	my @logins;	1890	my @logins;
1375		1891
1376	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") {
1377	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1378	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1379	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1380		1902
1381	utf8::decode $login;	1903	utf8::decode $login;
1382	push @logins, $login;	1904	push @logins, $login;
1383	}	1905	}
1384		1906
1385	\@logins	1907	\@logins
1386	}	1908	}
1387		1909
1388	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1389		1913
1390	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1391	player. May block.	1915	player. May block.
1392		1916
1393	=cut	1917	=cut
…		…
1411	}	1935	}
1412		1936
1413	\@paths	1937	\@paths
1414	}	1938	}
1415		1939
1416	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1417		1941
1418	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1419		1943
1420	=cut
1421
1422	sub expand_cfpod {
1423	((my $self), (local $_)) = @_;
1424
1425	# escape & and <
1426	s/&/&amp;/g;
1427	s/(?<![BIUGH])</&lt;/g;
1428
1429	# this is buggy, it needs to properly take care of nested <'s
1430
1431	1 while
1432	# replace B<>, I<>, U<> etc.
1433	s/B<([^\>]*)>/<b>$1<\/b>/
1434	|| s/I<([^\>]*)>/<i>$1<\/i>/
1435	|| s/U<([^\>]*)>/<u>$1<\/u>/
1436	# replace G<male|female> tags
1437	|| s{G<([^>|]*)\|([^>]*)>}{
1438	$self->gender ? $2 : $1
1439	}ge
1440	# replace H<hint text>
1441	|| s{H<([^\>]*)>}
1442	{
1443	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1444	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1445	"")
1446	[$self->{hintmode}]
1447	}ge;
1448
1449	# create single paragraphs (very hackish)
1450	s/(?<=\S)\n(?=\w)/ /g;
1451
1452	# compress some whitespace
1453	s/\s+\n/\n/g; # ws line-ends
1454	s/\n\n+/\n/g; # double lines
1455	s/^\n+//; # beginning lines
1456	s/\n+$//; # ending lines
1457
1458	$_
1459	}
1460
1461	sub hintmode {
1462	$_[0]{hintmode} = $_[1] if @_ > 1;
1463	$_[0]{hintmode}
1464	}
1465
1466	=item $player->ext_reply ($msgid, %msg)
1467
1468	Sends an ext reply to the player.
1469
1470	=cut
1471
1472	sub ext_reply($$%) {
1473	my ($self, $id, %msg) = @_;
1474
1475	$msg{msgid} = $id;
1476	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1477	}
1478
1479	=item $player->ext_event ($type, %msg)	1944	=item $player->ext_msg ($type, @msg)
1480		1945
1481	Sends an ext event to the client.	1946	Sends an ext event to the client.
1482		1947
1483	=cut	1948	=cut
1484		1949
1485	sub ext_event($$%) {	1950	sub ext_msg($$@) {
1486	my ($self, $type, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1487		1952
1488	$self->ns->ext_event ($type, %msg);	1953	$self->ns->ext_msg ($type, @msg);
1489	}	1954	}
1490		1955
1491	=head3 cf::region	1956	=head3 cf::region
1492		1957
1493	=over 4	1958	=over 4
…		…
1502		1967
1503	=cut	1968	=cut
1504		1969
1505	sub find_by_path($) {	1970	sub find_by_path($) {
1506	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1507		1974
1508	my ($match, $specificity);	1975	my ($match, $specificity);
1509		1976
1510	for my $region (list) {	1977	for my $region (list) {
1511	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1537	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1538	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1539		2006
1540	sub generate_random_map {	2007	sub generate_random_map {
1541	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1542	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1543	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1544	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1545	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1546	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1547	$rmp->{exit_on_final_map},
1548	$rmp->{xsize}, $rmp->{ysize},
1549	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1550	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1551	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1552	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1553	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1554	(cf::region::find $rmp->{region}), $rmp->{custom}
1555	)
1556	}	2013	}
1557		2014
1558	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1559		2016
1560	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
…		…
1565		2022
1566	sub register {	2023	sub register {
1567	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1568	my $pkg = caller;	2025	my $pkg = caller;
1569		2026
1570	no strict;
1571	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1572		2028
1573	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1574	}	2030	}
1575		2031
1576	# also paths starting with '/'	2032	# also paths starting with '/'
1577	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1578		2034
1579	sub thawer_merge {	2035	sub thawer_merge {
1580	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1581		2037
1582	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1587	}	2043	}
1588		2044
1589	sub normalise {	2045	sub normalise {
1590	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1591		2047
1592	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1593		2049
1594	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1595		2051
1596	# map plan:	2052	# map plan:
1597	#	2053	#
…		…
1612	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1613	$path = "$base/$path";	2069	$path = "$base/$path";
1614	}	2070	}
1615		2071
1616	for ($path) {	2072	for ($path) {
1617	redo if s{//}{/};
1618	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1619	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1620	}	2075	}
1621		2076
1622	$path	2077	$path
…		…
1636	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1637	return $self;	2092	return $self;
1638	}	2093	}
1639	}	2094	}
1640		2095
1641	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1642	()	2097	()
1643	}	2098	}
1644		2099
		2100	# may re-bless or do other evil things
1645	sub init {	2101	sub init {
1646	my ($self) = @_;	2102	my ($self) = @_;
1647		2103
1648	$self	2104	$self
1649	}	2105	}
…		…
1668		2124
1669	# the temporary/swap location	2125	# the temporary/swap location
1670	sub save_path {	2126	sub save_path {
1671	my ($self) = @_;	2127	my ($self) = @_;
1672		2128
1673	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1674	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1675	}	2131	}
1676		2132
1677	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1678	sub uniq_path {	2134	sub uniq_path {
1679	my ($self) = @_;	2135	my ($self) = @_;
1680		2136
1681	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1682	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1683	}
1684
1685	# and all this just because we cannot iterate over
1686	# all maps in C++...
1687	sub change_all_map_light {
1688	my ($change) = @_;
1689
1690	$_->change_map_light ($change)
1691	for grep $_->outdoor, values %cf::MAP;
1692	}	2139	}
1693		2140
1694	sub decay_objects {	2141	sub decay_objects {
1695	my ($self) = @_;	2142	my ($self) = @_;
1696		2143
…		…
1709		2156
1710	sub load_header_from($) {	2157	sub load_header_from($) {
1711	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1712		2159
1713	utf8::encode $path;	2160	utf8::encode $path;
1714	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1715	# or return;
1716
1717	$self->_load_header ($path)
1718	or return;	2162	or return;
1719		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1720	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1721		2171
1722	1	2172	1
1723	}	2173	}
1724		2174
		2175	# used to laod the header of an original map
1725	sub load_header_orig {	2176	sub load_header_orig {
1726	my ($self) = @_;	2177	my ($self) = @_;
1727		2178
1728	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1729	}	2180	}
1730		2181
		2182	# used to laod the header of an instantiated map
1731	sub load_header_temp {	2183	sub load_header_temp {
1732	my ($self) = @_;	2184	my ($self) = @_;
1733		2185
1734	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1735	}	2187	}
1736		2188
		2189	# called after loading the header from an instantiated map
1737	sub prepare_temp {	2190	sub prepare_temp {
1738	my ($self) = @_;	2191	my ($self) = @_;
1739		2192
1740	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1741	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1742	# safety	2195	# safety
1743	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1744	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1745	}	2198	}
1746		2199
		2200	# called after loading the header from an original map
1747	sub prepare_orig {	2201	sub prepare_orig {
1748	my ($self) = @_;	2202	my ($self) = @_;
1749		2203
1750	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1751	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1775		2229
1776	sub find;	2230	sub find;
1777	sub find {	2231	sub find {
1778	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1779		2233
		2234	cf::cede_to_tick;
		2235
1780	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1781		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1782	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1783		2240
1784	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1785	my $guard = cf::lock_acquire "map_find:$path";
1786	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1787	or return;	2243	or return;
1788		2244
1789	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1790		2246
…		…
1792	or return;	2248	or return;
1793		2249
1794	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1795	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1796	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1797	$map->reset;	2255	$map->reset;
1798	undef $guard;
1799	return find $path;	2256	return find $path;
1800	}	2257	}
1801		2258
1802	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1803	}	2260	}
1804	}	2261	}
1805		2262
1806	sub pre_load { }	2263	sub pre_load { }
1807	sub post_load { }	2264	#sub post_load { } # XS
1808		2265
1809	sub load {	2266	sub load {
1810	my ($self) = @_;	2267	my ($self) = @_;
1811		2268
1812	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1813		2270
1814	my $path = $self->{path};	2271	my $path = $self->{path};
1815		2272
1816	{	2273	{
1817	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1818		2275
		2276	return unless $self->valid;
1819	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1820
1821	$self->in_memory (cf::MAP_LOADING);
1822		2278
1823	$self->alloc;	2279	$self->alloc;
1824		2280
1825	$self->pre_load;	2281	$self->pre_load;
1826	Coro::cede;	2282	cf::cede_to_tick;
1827		2283
1828	$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)
1829	or return;	2288	or return;
1830		2289
1831	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1832	if delete $self->{load_original};	2291	if delete $self->{load_original};
1833		2292
1834	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1835	utf8::encode $uniq;	2294	utf8::encode $uniq;
1836	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1837	$self->clear_unique_items;	2297	$self->clear_unique_items;
1838	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1839	}	2302	}
1840	}
1841		2303
1842	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;
1843	# now do the right thing for maps	2313	# now do the right thing for maps
1844	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1845	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1846	unless $self->difficulty;	2316	unless $self->difficulty;
1847	Coro::cede;	2317	cf::cede_to_tick;
1848		2318
1849	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1850	$self->decay_objects;	2320	$self->decay_objects;
1851	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1852	$self->update_buttons;	2322	$self->update_buttons;
1853	Coro::cede;	2323	cf::cede_to_tick;
1854	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1855	Coro::cede;
1856	$self->activate;
1857	}	2325	}
1858		2326
1859	$self->in_memory (cf::MAP_IN_MEMORY);	2327	$self->{last_save} = $cf::RUNTIME;
		2328	$self->last_access ($cf::RUNTIME);
1860	}	2329	}
1861		2330
1862	$self->post_load;	2331	$self->post_load;
1863	}
1864		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
1865	sub customise_for {	2339	sub customise_for {
1866	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1867		2341
1868	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1869	if $self->per_player;	2343	if $self->per_player;
…		…
1872	# if $self->per_party;	2346	# if $self->per_party;
1873		2347
1874	$self	2348	$self
1875	}	2349	}
1876		2350
1877	# find and load all maps in the 3x3 area around a map
1878	sub load_diag {
1879	my ($map) = @_;
1880
1881	my @diag; # diagonal neighbours
1882
1883	for (0 .. 3) {
1884	my $neigh = $map->tile_path ($_)
1885	or next;
1886	$neigh = find $neigh, $map
1887	or next;
1888	$neigh->load;
1889
1890	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1891	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1892	}
1893
1894	for (@diag) {
1895	my $neigh = find @$_
1896	or next;
1897	$neigh->load;
1898	}
1899	}
1900
1901	sub find_sync {	2351	sub find_sync {
1902	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1903		2353
1904	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
1905	}	2359	}
1906		2360
1907	sub do_load_sync {	2361	sub do_load_sync {
1908	my ($map) = @_;	2362	my ($map) = @_;
1909		2363
1910	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;
1911	}	2369	}
1912		2370
1913	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1914	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1915		2373
1916	sub find_async {	2374	sub find_async {
1917	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1918		2376
1919	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1920		2378
1921	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1922	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1923	}	2381	}
1924		2382
1925	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1926	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1927	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1928	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1929	if (my $map = find $path) {	2390	if (my $map = find $k) {
1930	$map->load;	2391	$map->load if $v;
1931	}	2392	}
1932		2393
1933	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1934	}	2395	}
1935	}	2396	}
1936	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1937	};	2398	};
1938	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1939		2400
1940	()	2401	()
1941	}	2402	}
1942		2403
		2404	# common code, used by both ->save and ->swapout
1943	sub save {	2405	sub _save {
1944	my ($self) = @_;	2406	my ($self) = @_;
1945
1946	my $lock = cf::lock_acquire "map_data:" . $self->path;
1947		2407
1948	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1949		2409
1950	return unless $self->dirty;	2410	return unless $self->dirty;
1951		2411
…		…
1957	return if $self->{deny_save};	2417	return if $self->{deny_save};
1958		2418
1959	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1960		2420
1961	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1962	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1963	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1964		2427
1965	if ($uniq) {	2428	if ($uniq) {
1966	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1967	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1968	} else {	2431	} else {
1969	$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);
1970	}	2433	}
1971	}	2434	}
1972		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1973	sub swap_out {	2444	sub swap_out {
1974	my ($self) = @_;	2445	my ($self) = @_;
1975		2446
1976	# save first because save cedes
1977	$self->save;
1978
1979	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1980		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1981	return if $self->players;	2451	return if $self->players;
1982	return if $self->in_memory != cf::MAP_IN_MEMORY;
1983	return if $self->{deny_save};
1984		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
1985	$self->clear;	2462	$self->clear;
1986	$self->in_memory (cf::MAP_SWAPPED);
1987	}	2463	}
1988		2464
1989	sub reset_at {	2465	sub reset_at {
1990	my ($self) = @_;	2466	my ($self) = @_;
1991		2467
…		…
2009		2485
2010	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
2011		2487
2012	return if $self->players;	2488	return if $self->players;
2013		2489
2014	warn "resetting map ", $self->path;	2490	cf::trace "resetting map ", $self->path, "\n";
2015		2491
2016	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
2017		2493
2018	# need to save uniques path	2494	# need to save uniques path
2019	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
2020	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
2021		2497
…		…
2023	if $uniq;	2499	if $uniq;
2024	}	2500	}
2025		2501
2026	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
2027		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
2028	$self->clear;	2506	$self->clear;
2029
2030	$_->clear_links_to ($self) for values %cf::MAP;
2031		2507
2032	$self->unlink_save;	2508	$self->unlink_save;
2033	$self->destroy;	2509	$self->destroy;
2034	}	2510	}
2035		2511
2036	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
2037		2513
2038	sub nuke {	2514	sub nuke {
2039	my ($self) = @_;	2515	my ($self) = @_;
2040		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
2041	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2042		2521
2043	$self->unlink_save;	2522	$self->unlink_save;
2044		2523
2045	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2046	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2047	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2048	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2049	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2050		2529
2051	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
2052		2532
2053	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
2054	}	2534	}
2055		2535
2056	=item $maps = cf::map::tmp_maps	2536	=item $maps = cf::map::tmp_maps
…		…
2098		2578
2099	sub unique_maps() {	2579	sub unique_maps() {
2100	[	2580	[
2101	map {	2581	map {
2102	utf8::decode $_;	2582	utf8::decode $_;
2103	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2104	? normalise $_	2586	: normalise $_
2105	: ()
2106	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2107	]	2588	]
2108	}	2589	}
2109		2590
2110	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	}
2111		2622
2112	=back	2623	=back
2113		2624
2114	=head3 cf::object	2625	=head3 cf::object
2115		2626
…		…
2119		2630
2120	=over 4	2631	=over 4
2121		2632
2122	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2123		2634
2124	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.
2125		2637
2126	=cut	2638	=cut
2127		2639
2128	sub inv_recursive_;	2640	sub inv_recursive_;
2129	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2132		2644
2133	sub inv_recursive {	2645	sub inv_recursive {
2134	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2135	}	2647	}
2136		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
2137	package cf;	2677	package cf;
2138		2678
2139	=back	2679	=back
2140		2680
2141	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
2147	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>
2148	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
2149	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2150		2690
2151	=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	};
2152		2706
2153	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2154	# with dialog boxes.	2708	# with dialog boxes.
2155	#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
2156	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
2163		2717
2164	} else {	2718	} else {
2165	my $pl = $self->contr;	2719	my $pl = $self->contr;
2166		2720
2167	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2721	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2168	my $diag = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2169	$diag->{pl}->ext_reply (	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2170	$diag->{id},
2171	msgtype => "reply",
2172	msg => $diag->{pl}->expand_cfpod ($msg),
2173	add_topics => []
2174	);
2175		2724
2176	} else {	2725	} else {
2177	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2178	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2179	}	2728	}
2180	}	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 (@_);
2181	}	2740	}
2182		2741
2183	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
2184		2743
2185	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
…		…
2198		2757
2199	=item $player_object->enter_link	2758	=item $player_object->enter_link
2200		2759
2201	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}>).
2202		2761
2203	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.
2204	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.
2205		2766
2206	Will never block.	2767	Will never block.
2207		2768
2208	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2209		2770
…		…
2229	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2230	my ($self) = @_;	2791	my ($self) = @_;
2231		2792
2232	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2233		2794
		2795	++$self->{_link_recursion};
		2796
2234	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2235		2798
2236	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2237	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2238		2801
2239	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2240	}	2803	}
2241		2804
2242	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2243	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2244		2807
…		…
2261	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2262	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2263		2826
2264	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2265	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2266	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2267		2830
2268	$map->load;	2831	$map->load;
2269	$map->load_diag;
2270		2832
2271	return unless $self->contr->active;	2833	return unless $self->contr->active;
2272	$self->activate_recursive;
2273		2834
2274	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2275	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2276	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2277		2842
		2843	}
		2844
2278	=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)]])
2279		2846
2280	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
2281	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2282	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
2283	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
2284	be called at the end of this process.	2851	be called at the end of this process.
2285		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
2286	=cut	2856	=cut
2287		2857
2288	our $GOTOGEN;	2858	our $GOTOGEN;
2289		2859
2290	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2291	my ($self, $path, $x, $y, $check, $done) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
2292		2862
		2863	if ($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
2293	# 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
2294	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2295		2871
2296	$self->enter_link;	2872	$self->enter_link;
2297		2873
2298	(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
2299	my $map = eval {	2896	my $map = eval {
2300	my $map = cf::map::find $path;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2301		2898
2302	if ($map) {	2899	if ($map) {
2303	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2304	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2305	} else {	2902	} else {
2306	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2307	}	2904	}
2308		2905
2309	$map	2906	$map
2310	};	2907	};
2311		2908
…		…
2317	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2318	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2319	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2320	}	2917	}
2321		2918
2322	$done->() if $done;	2919	$done->($self) if $done;
2323	})->prio (1);	2920	})->prio (1);
2324	}	2921	}
2325		2922
2326	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2327		2924
…		…
2347	}	2944	}
2348		2945
2349	sub prepare_random_map {	2946	sub prepare_random_map {
2350	my ($exit) = @_;	2947	my ($exit) = @_;
2351		2948
2352	my $guard = cf::lock_acquire "exit_prepare:$exit";
2353
2354	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
2355	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
2356	# that depends on the exit object	2951	# that depends on the exit object
2357		2952
2358	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2360	if ($exit->map) {	2955	if ($exit->map) {
2361	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2362	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2363	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2364	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2365	}	2962	}
2366		2963
2367	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2368		2965
2369	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2370	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
2371	my $meta = "$RANDOMDIR/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
2372		2969
2373	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2374	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2375	undef $fh;	2972	undef $fh;
2376	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2377		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2378	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2379	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2380	}	2981	}
2381	}	2982	}
2382		2983
2383	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2384	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2385		2986
2386	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2387		2988
2388	if ($exit->slaying eq "/!") {
2389	#TODO: this should de-fi-ni-te-ly not be a sync-job
2390	# the problem is that $exit might not survive long enough
2391	# so it needs to be done right now, right here
2392	cf::sync_job { prepare_random_map $exit };
2393	}
2394
2395	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2396	my $hp = $exit->stats->hp;
2397	my $sp = $exit->stats->sp;
2398
2399	$self->enter_link;	2989	$self->enter_link;
2400		2990
2401	# if exit is damned, update players death & WoR home-position
2402	$self->contr->savebed ($slaying, $hp, $sp)
2403	if $exit->flag (FLAG_DAMNED);
2404
2405	(async {	2991	(async {
2406	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
2407	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
2408	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2409		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
2410	1;	3030	1
2411	}) {	3031	}) {
2412	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2413	. "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. "
2414	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2415	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2416		3036
2417	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2418	$self->leave_link;	3038	$self->leave_link;
2419	}	3039	}
2420	})->prio (1);	3040	})->prio (1);
2421	}	3041	}
2422		3042
2423	=head3 cf::client	3043	=head3 cf::client
2424		3044
2425	=over 4	3045	=over 4
2426		3046
2427	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2428		3048
2429	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2430	should not be used under normal circumstances.	3050	them as required.
2431		3051
2432	=cut	3052	=cut
2433		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
2434	sub cf::client::send_drawinfo {	3056	sub cf::client::send_big_packet {
2435	my ($self, $text, $flags) = @_;	3057	my ($self, $pkt) = @_;
2436		3058
2437	utf8::encode $text;	3059	# try lzf for large packets
2438	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3060	$pkt = "lzf " . Compress::LZF::compress $pkt
		3061	if 1024 <= length $pkt and $self->{can_lzf};
		3062
		3063	# split very large packets
		3064	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3065	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3066	$pkt = "frag";
		3067	}
		3068
		3069	$self->send_packet ($pkt);
2439	}	3070	}
2440		3071
2441	=item $client->send_msg ($channel, $msg, $color, [extra...])	3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
2442		3073
2443	Send a drawinfo or msg packet to the client, formatting the msg for the	3074	Send a msg packet to the client, formatting the msg for the client if
2444	client if neccessary. C<$type> should be a string identifying the type of	3075	necessary. C<$type> should be a string identifying the type of the
2445	the message, with C<log> being the default. If C<$color> is negative, suppress	3076	message, with C<log> being the default. If C<$color> is negative, suppress
2446	the message unless the client supports the msg packet.	3077	the message unless the client supports the msg packet.
2447		3078
2448	=cut	3079	=cut
		3080
		3081	# non-persistent channels (usually the info channel)
		3082	our %CHANNEL = (
		3083	"c/motd" => {
		3084	id => "infobox",
		3085	title => "MOTD",
		3086	reply => undef,
		3087	tooltip => "The message of the day",
		3088	},
		3089	"c/identify" => {
		3090	id => "infobox",
		3091	title => "Identify",
		3092	reply => undef,
		3093	tooltip => "Items recently identified",
		3094	},
		3095	"c/examine" => {
		3096	id => "infobox",
		3097	title => "Examine",
		3098	reply => undef,
		3099	tooltip => "Signs and other items you examined",
		3100	},
		3101	"c/shopinfo" => {
		3102	id => "infobox",
		3103	title => "Shop Info",
		3104	reply => undef,
		3105	tooltip => "What your bargaining skill tells you about the shop",
		3106	},
		3107	"c/book" => {
		3108	id => "infobox",
		3109	title => "Book",
		3110	reply => undef,
		3111	tooltip => "The contents of a note or book",
		3112	},
		3113	"c/lookat" => {
		3114	id => "infobox",
		3115	title => "Look",
		3116	reply => undef,
		3117	tooltip => "What you saw there",
		3118	},
		3119	"c/who" => {
		3120	id => "infobox",
		3121	title => "Players",
		3122	reply => undef,
		3123	tooltip => "Shows players who are currently online",
		3124	},
		3125	"c/body" => {
		3126	id => "infobox",
		3127	title => "Body Parts",
		3128	reply => undef,
		3129	tooltip => "Shows which body parts you posess and are available",
		3130	},
		3131	"c/statistics" => {
		3132	id => "infobox",
		3133	title => "Statistics",
		3134	reply => undef,
		3135	tooltip => "Shows your primary statistics",
		3136	},
		3137	"c/skills" => {
		3138	id => "infobox",
		3139	title => "Skills",
		3140	reply => undef,
		3141	tooltip => "Shows your experience per skill and item power",
		3142	},
		3143	"c/shopitems" => {
		3144	id => "infobox",
		3145	title => "Shop Items",
		3146	reply => undef,
		3147	tooltip => "Shows the items currently for sale in this shop",
		3148	},
		3149	"c/resistances" => {
		3150	id => "infobox",
		3151	title => "Resistances",
		3152	reply => undef,
		3153	tooltip => "Shows your resistances",
		3154	},
		3155	"c/pets" => {
		3156	id => "infobox",
		3157	title => "Pets",
		3158	reply => undef,
		3159	tooltip => "Shows information abotu your pets/a specific pet",
		3160	},
		3161	"c/perceiveself" => {
		3162	id => "infobox",
		3163	title => "Perceive Self",
		3164	reply => undef,
		3165	tooltip => "You gained detailed knowledge about yourself",
		3166	},
		3167	"c/uptime" => {
		3168	id => "infobox",
		3169	title => "Uptime",
		3170	reply => undef,
		3171	tooltip => "How long the server has been running since last restart",
		3172	},
		3173	"c/mapinfo" => {
		3174	id => "infobox",
		3175	title => "Map Info",
		3176	reply => undef,
		3177	tooltip => "Information related to the maps",
		3178	},
		3179	"c/party" => {
		3180	id => "party",
		3181	title => "Party",
		3182	reply => "gsay ",
		3183	tooltip => "Messages and chat related to your party",
		3184	},
		3185	"c/death" => {
		3186	id => "death",
		3187	title => "Death",
		3188	reply => undef,
		3189	tooltip => "Reason for and more info about your most recent death",
		3190	},
		3191	"c/fatal" => {
		3192	id => "fatal",
		3193	title => "Fatal Error",
		3194	reply => undef,
		3195	tooltip => "Reason for the server disconnect",
		3196	},
		3197	"c/say" => $SAY_CHANNEL,
		3198	"c/chat" => $CHAT_CHANNEL,
		3199	);
2449		3200
2450	sub cf::client::send_msg {	3201	sub cf::client::send_msg {
2451	my ($self, $channel, $msg, $color, @extra) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2452		3203
2453	$msg = $self->pl->expand_cfpod ($msg);	3204	$msg = $self->pl->expand_cfpod ($msg)
		3205	unless $color & cf::NDI_VERBATIM;
2454		3206
2455	$color &= ~cf::NDI_UNIQUE; # just in case...	3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
2456		3208
		3209	# check predefined channels, for the benefit of C
		3210	if ($CHANNEL{$channel}) {
		3211	$channel = $CHANNEL{$channel};
		3212
		3213	$self->ext_msg (channel_info => $channel);
		3214	$channel = $channel->{id};
		3215
2457	if (ref $channel) {	3216	} elsif (ref $channel) {
2458	# send meta info to client, if not yet sent	3217	# send meta info to client, if not yet sent
2459	unless (exists $self->{channel}{$channel->{id}}) {	3218	unless (exists $self->{channel}{$channel->{id}}) {
2460	$self->{channel}{$channel->{id}} = $channel;	3219	$self->{channel}{$channel->{id}} = $channel;
2461	$self->ext_event (channel_info => %$channel);	3220	$self->ext_msg (channel_info => $channel);
2462	}	3221	}
2463		3222
2464	$channel = $channel->{id};	3223	$channel = $channel->{id};
2465	}	3224	}
2466		3225
2467	return unless @extra || length $msg;	3226	return unless @extra || length $msg;
2468		3227
2469	if ($self->can_msg) {	3228	# default colour, mask it out
2470	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2471	} else {	3230	if $color & cf::NDI_DEF;
2472	# replace some tags by gcfclient-compatible ones
2473	for ($msg) {
2474	1 while
2475	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2476	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2477	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2478	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2479	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2480	}
2481		3231
2482	if ($color >= 0) {	3232	my $pkt = "msg "
2483	if (0 && $msg =~ /\[/) {	3233	. $self->{json_coder}->encode (
2484	$self->send_packet ("drawextinfo $color 4 0 $msg")	3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2485	} else {	3235	);
2486	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2487	$self->send_packet ("drawinfo $color $msg")
2488	}
2489	}
2490	}
2491	}
2492		3236
		3237	$self->send_big_packet ($pkt);
		3238	}
		3239
2493	=item $client->ext_event ($type, %msg)	3240	=item $client->ext_msg ($type, @msg)
2494		3241
2495	Sends an ext event to the client.	3242	Sends an ext event to the client.
2496		3243
2497	=cut	3244	=cut
2498		3245
2499	sub cf::client::ext_event($$%) {	3246	sub cf::client::ext_msg($$@) {
2500	my ($self, $type, %msg) = @_;	3247	my ($self, $type, @msg) = @_;
2501		3248
2502	return unless $self->extcmd;
2503
2504	$msg{msgtype} = "event_$type";
2505	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2506	}	3250	}
2507		3251
2508	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2509		3253
2510	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
…		…
2530		3274
2531	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2532	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
2533		3277
2534	1	3278	1
		3279	}
		3280
		3281	=item $client->update_command_faces
		3282
		3283	=cut
		3284
		3285	our %COMMAND_FACE;
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = grep $_,
		3291	$COMMAND_FACE{standard},
		3292	$COMMAND_FACE{emote},
		3293	$COMMAND_FACE{skill},
		3294	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3295	;
		3296
		3297	$self->send_face ($_)
		3298	for @faces;
		3299	$self->flush_fx;
		3300
		3301	$self->ext_msg (command_list => @faces);
		3302	}
		3303
		3304	=item cf::client::set_command_face $type, $commands
		3305
		3306	=cut
		3307
		3308	sub cf::client::set_command_face {
		3309	my ($type, $list) = @_;
		3310
		3311	my $idx = &cf::face::set ( #d# ugly forward reference
		3312	"command_list/$type" => cf::FT_RSRC,
		3313	JSON::XS->new->utf8->encode ([ sort @$list ])
		3314	);
		3315
		3316	$COMMAND_FACE{$type} = $idx;
2535	}	3317	}
2536		3318
2537	cf::client->attach (	3319	cf::client->attach (
2538	on_connect => sub {	3320	on_connect => sub {
2539	my ($ns) = @_;	3321	my ($ns) = @_;
…		…
2565	my ($ns, $buf) = @_;	3347	my ($ns, $buf) = @_;
2566		3348
2567	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3349	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2568		3350
2569	if (ref $msg) {	3351	if (ref $msg) {
		3352	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3353
2570	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3354	if (my $cb = $EXTIACMD{$type}) {
2571	if (my %reply = $cb->($ns, $msg)) {	3355	$cb->(
2572	$reply{msgid} = $msg->{msgid};	3356	$ns,
2573	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));	3357	sub {
		3358	$ns->ext_msg ("reply-$reply", @_)
		3359	if $reply;
		3360	},
		3361	@payload
		3362	);
		3363	} else {
		3364	my @reply;
		3365
		3366	if (my $cb = $EXTICMD{$type}) {
		3367	@reply = $cb->($ns, @payload);
2574	}	3368	}
		3369
		3370	$ns->ext_msg ("reply-$reply", @reply)
		3371	if $reply;
2575	}	3372	}
2576	} else {	3373	} else {
2577	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3374	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2578	}	3375	}
2579		3376
2580	cf::override;	3377	cf::override;
2581	},	3378	},
2582	);	3379	);
…		…
2602		3399
2603	$coro	3400	$coro
2604	}	3401	}
2605		3402
2606	cf::client->attach (	3403	cf::client->attach (
2607	on_destroy => sub {	3404	on_client_destroy => sub {
2608	my ($ns) = @_;	3405	my ($ns) = @_;
2609		3406
2610	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3407	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2611	},	3408	},
2612	);	3409	);
…		…
2627	our $safe = new Safe "safe";	3424	our $safe = new Safe "safe";
2628	our $safe_hole = new Safe::Hole;	3425	our $safe_hole = new Safe::Hole;
2629		3426
2630	$SIG{FPE} = 'IGNORE';	3427	$SIG{FPE} = 'IGNORE';
2631		3428
2632	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3429	$safe->permit_only (Opcode::opset qw(
		3430	:base_core :base_mem :base_orig :base_math :base_loop
		3431	grepstart grepwhile mapstart mapwhile
		3432	sort time
		3433	));
2633		3434
2634	# here we export the classes and methods available to script code	3435	# here we export the classes and methods available to script code
2635		3436
2636	=pod	3437	=pod
2637		3438
2638	The following functions and methods are available within a safe environment:	3439	The following functions and methods are available within a safe environment:
2639		3440
2640	cf::object	3441	cf::object
2641	contr pay_amount pay_player map x y force_find force_add	3442	contr pay_amount pay_player map x y force_find force_add destroy
2642	insert remove	3443	insert remove name archname title slaying race decrease split
		3444	value
2643		3445
2644	cf::object::player	3446	cf::object::player
2645	player	3447	player
2646		3448
2647	cf::player	3449	cf::player
…		…
2652		3454
2653	=cut	3455	=cut
2654		3456
2655	for (	3457	for (
2656	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3458	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2657	insert remove)],	3459	insert remove inv nrof name archname title slaying race
		3460	decrease split destroy change_exp value msg lore send_msg)],
2658	["cf::object::player" => qw(player)],	3461	["cf::object::player" => qw(player)],
2659	["cf::player" => qw(peaceful)],	3462	["cf::player" => qw(peaceful send_msg)],
2660	["cf::map" => qw(trigger)],	3463	["cf::map" => qw(trigger)],
2661	) {	3464	) {
2662	no strict 'refs';
2663	my ($pkg, @funs) = @$_;	3465	my ($pkg, @funs) = @$_;
2664	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3466	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2665	for @funs;	3467	for @funs;
2666	}	3468	}
2667		3469
…		…
2682		3484
2683	my $qcode = $code;	3485	my $qcode = $code;
2684	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3486	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2685	$qcode =~ s/\n/\\n/g;	3487	$qcode =~ s/\n/\\n/g;
2686		3488
		3489	%vars = (_dummy => 0) unless %vars;
		3490
		3491	my @res;
2687	local $_;	3492	local $_;
2688	local @safe::cf::_safe_eval_args = values %vars;
2689		3493
2690	my $eval =	3494	my $eval =
2691	"do {\n"	3495	"do {\n"
2692	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3496	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2693	. "#line 0 \"{$qcode}\"\n"	3497	. "#line 0 \"{$qcode}\"\n"
2694	. $code	3498	. $code
2695	. "\n}"	3499	. "\n}"
2696	;	3500	;
2697		3501
		3502	if ($CFG{safe_eval}) {
2698	sub_generation_inc;	3503	sub_generation_inc;
		3504	local @safe::cf::_safe_eval_args = values %vars;
2699	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3505	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2700	sub_generation_inc;	3506	sub_generation_inc;
		3507	} else {
		3508	local @cf::_safe_eval_args = values %vars;
		3509	@res = wantarray ? eval eval : scalar eval $eval;
		3510	}
2701		3511
2702	if ($@) {	3512	if ($@) {
2703	warn "$@";	3513	warn "$@",
2704	warn "while executing safe code '$code'\n";	3514	"while executing safe code '$code'\n",
2705	warn "with arguments " . (join " ", %vars) . "\n";	3515	"with arguments " . (join " ", %vars) . "\n";
2706	}	3516	}
2707		3517
2708	wantarray ? @res : $res[0]	3518	wantarray ? @res : $res[0]
2709	}	3519	}
2710		3520
…		…
2724	=cut	3534	=cut
2725		3535
2726	sub register_script_function {	3536	sub register_script_function {
2727	my ($fun, $cb) = @_;	3537	my ($fun, $cb) = @_;
2728		3538
2729	no strict 'refs';	3539	$fun = "safe::$fun" if $CFG{safe_eval};
2730	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3540	*$fun = $safe_hole->wrap ($cb);
2731	}	3541	}
2732		3542
2733	=back	3543	=back
2734		3544
2735	=cut	3545	=cut
2736		3546
2737	#############################################################################	3547	#############################################################################
2738	# the server's init and main functions	3548	# the server's init and main functions
2739		3549
		3550	{
		3551	package cf::face;
		3552
		3553	our %HASH; # hash => idx
		3554	our @DATA; # dynamically-created facedata, only faceste 0 used
		3555	our @FOFS; # file offset, if > 0
		3556	our @SIZE; # size of face, in octets
		3557	our @META; # meta hash of face, if any
		3558	our $DATAFH; # facedata filehandle
		3559
		3560	# internal api, not finalised
		3561	sub set {
		3562	my ($name, $type, $data) = @_;
		3563
		3564	my $idx = cf::face::find $name;
		3565
		3566	if ($idx) {
		3567	delete $HASH{cf::face::get_csum $idx};
		3568	} else {
		3569	$idx = cf::face::alloc $name;
		3570	}
		3571
		3572	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3573
		3574	cf::face::set_type $idx, $type;
		3575	cf::face::set_csum $idx, 0, $hash;
		3576
		3577	# we need to destroy the SV itself, not just modify it, as a running ix
		3578	# might hold a reference to it: "delete" achieves that.
		3579	delete $FOFS[0][$idx];
		3580	delete $DATA[0][$idx];
		3581	$DATA[0][$idx] = $data;
		3582	$SIZE[0][$idx] = length $data;
		3583	delete $META[$idx];
		3584	$HASH{$hash} = $idx;#d#
		3585
		3586	$idx
		3587	}
		3588
		3589	sub _get_data($$$) {
		3590	my ($idx, $set, $cb) = @_;
		3591
		3592	if (defined $DATA[$set][$idx]) {
		3593	$cb->($DATA[$set][$idx]);
		3594	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3595	my $size = $SIZE[$set][$idx];
		3596	my $buf;
		3597	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3598	if ($_[0] == $size) {
		3599	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3600	$cb->($buf);
		3601	} else {
		3602	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3603	}
		3604	};
		3605	} else {
		3606	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3607	}
		3608	}
		3609
		3610	# rather ineffient
		3611	sub cf::face::get_data($;$) {
		3612	my ($idx, $set) = @_;
		3613
		3614	_get_data $idx, $set, Coro::rouse_cb;
		3615	Coro::rouse_wait
		3616	}
		3617
		3618	sub cf::face::ix {
		3619	my ($ns, $set, $idx, $pri) = @_;
		3620
		3621	_get_data $idx, $set, sub {
		3622	$ns->ix_send ($idx, $pri, $_[0]);
		3623	};
		3624	}
		3625	}
		3626
2740	sub load_facedata($) {	3627	sub load_facedata($) {
2741	my ($path) = @_;	3628	my ($path) = @_;
2742		3629
		3630	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3631
2743	warn "loading facedata from $path\n";	3632	trace "loading facedata from $path\n";
2744		3633
2745	my $facedata;	3634	my $facedata = decode_storable load_file "$path/faceinfo";
2746	0 < aio_load $path, $facedata
2747	or die "$path: $!";
2748
2749	$facedata = Coro::Storable::thaw $facedata;
2750		3635
2751	$facedata->{version} == 2	3636	$facedata->{version} == 2
2752	or cf::cleanup "$path: version mismatch, cannot proceed.";	3637	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3638
		3639	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3640	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3641
		3642	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3643
		3644	# BEGIN ATOMIC
		3645	# from here on, everything must be atomic - no thread switch allowed
		3646	my $t1 = EV::time;
2753		3647
2754	{	3648	{
2755	my $faces = $facedata->{faceinfo};	3649	my $faces = $facedata->{faceinfo};
2756		3650
2757	while (my ($face, $info) = each %$faces) {	3651	for my $face (sort keys %$faces) {
		3652	my $info = $faces->{$face};
2758	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3653	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3654
2759	cf::face::set_visibility $idx, $info->{visibility};	3655	cf::face::set_visibility $idx, $info->{visibility};
2760	cf::face::set_magicmap $idx, $info->{magicmap};	3656	cf::face::set_magicmap $idx, $info->{magicmap};
2761	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3657	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2762	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3658	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
2763		3659	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
2764	cf::cede_to_tick;	3660	$cf::face::HASH{$info->{hash64}} = $idx;
		3661	delete $cf::face::META[$idx];
2765	}	3662	}
2766		3663
2767	while (my ($face, $info) = each %$faces) {	3664	while (my ($face, $info) = each %$faces) {
2768	next unless $info->{smooth};	3665	next unless $info->{smooth};
		3666
2769	my $idx = cf::face::find $face	3667	my $idx = cf::face::find $face
2770	or next;	3668	or next;
		3669
2771	if (my $smooth = cf::face::find $info->{smooth}) {	3670	if (my $smooth = cf::face::find $info->{smooth}) {
2772	cf::face::set_smooth $idx, $smooth;	3671	cf::face::set_smooth $idx, $smooth;
2773	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3672	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2774	} else {	3673	} else {
2775	warn "smooth face '$info->{smooth}' not found for face '$face'";	3674	error "smooth face '$info->{smooth}' not found for face '$face'";
2776	}	3675	}
2777
2778	cf::cede_to_tick;
2779	}	3676	}
2780	}	3677	}
2781		3678
2782	{	3679	{
2783	my $anims = $facedata->{animinfo};	3680	my $anims = $facedata->{animinfo};
2784		3681
2785	while (my ($anim, $info) = each %$anims) {	3682	while (my ($anim, $info) = each %$anims) {
2786	cf::anim::set $anim, $info->{frames}, $info->{facings};	3683	cf::anim::set $anim, $info->{frames}, $info->{facings};
2787	cf::cede_to_tick;
2788	}	3684	}
2789		3685
2790	cf::anim::invalidate_all; # d'oh	3686	cf::anim::invalidate_all; # d'oh
2791	}	3687	}
2792		3688
2793	{	3689	{
2794	# TODO: for gcfclient pleasure, we should give resources
2795	# that gcfclient doesn't grok a >10000 face index.
2796	my $res = $facedata->{resource};	3690	my $res = $facedata->{resource};
2797	my $enc = JSON::XS->new->utf8->canonical;
2798		3691
2799	while (my ($name, $info) = each %$res) {	3692	while (my ($name, $info) = each %$res) {
2800	my $meta = $enc->encode ({	3693	if (defined (my $type = $info->{type})) {
2801	name => $name,	3694	# TODO: different hash - must free and use new index, or cache ixface data queue
2802	type => $info->{type},
2803	copyright => $info->{copyright}, #TODO#
2804	});
2805
2806	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3695	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2807		3696
2808	if ($name =~ /\.jpg$/) {	3697	cf::face::set_type $idx, $type;
2809	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3698	cf::face::set_csum $idx, 0, $info->{hash};
2810	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3699	$cf::face::SIZE[0][$idx] = $info->{size};
		3700	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3701	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3702	$cf::face::HASH{$info->{hash}} = $idx;
2811	} else {	3703	} else {
2812	my $data = pack "(w/a*)*", $meta, $info->{data};	3704	# $RESOURCE{$name} = $info; # unused
2813	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2814
2815	cf::face::set_type $idx, 1;
2816	cf::face::set_data $idx, 0, $data, $chk;
2817	}	3705	}
2818
2819	cf::cede_to_tick;
2820	}	3706	}
2821	}	3707	}
		3708
		3709	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3710
		3711	# HACK to clear player env face cache, we need some signal framework
		3712	# for this (global event?)
		3713	%ext::player_env::MUSIC_FACE_CACHE = ();
		3714
		3715	# END ATOMIC
		3716
		3717	cf::debug "facedata atomic update time ", EV::time - $t1;
		3718
		3719	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3720
		3721	aio_close $fh if $fh; # close old facedata
2822		3722
2823	1	3723	1
2824	}	3724	}
2825		3725
		3726	register_exticmd fx_want => sub {
		3727	my ($ns, $want) = @_;
		3728
		3729	while (my ($k, $v) = each %$want) {
		3730	$ns->fx_want ($k, $v);
		3731	}
		3732	};
		3733
		3734	sub load_resource_file($) {
		3735	my $guard = lock_acquire "load_resource_file";
		3736
		3737	my $status = load_resource_file_ $_[0];
		3738	get_slot 0.1, 100;
		3739	cf::arch::commit_load;
		3740
		3741	$status
		3742	}
		3743
		3744	sub reload_exp_table {
		3745	_reload_exp_table;
		3746
		3747	cf::face::set
		3748	"res/exp_table" => FT_RSRC,
		3749	JSON::XS->new->utf8->canonical->encode (
		3750	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3751	);
		3752	}
		3753
		3754	sub reload_materials {
		3755	_reload_materials;
		3756	}
		3757
2826	sub reload_regions {	3758	sub reload_regions {
		3759	# HACK to clear player env face cache, we need some signal framework
		3760	# for this (global event?)
		3761	%ext::player_env::MUSIC_FACE_CACHE = ();
		3762
2827	load_resource_file "$MAPDIR/regions"	3763	load_resource_file "$MAPDIR/regions"
2828	or die "unable to load regions file\n";	3764	or die "unable to load regions file\n";
2829		3765
2830	for (cf::region::list) {	3766	for (cf::region::list) {
2831	$_->{match} = qr/$_->{match}/	3767	$_->{match} = qr/$_->{match}/
2832	if exists $_->{match};	3768	if exists $_->{match};
2833	}	3769	}
2834	}	3770	}
2835		3771
2836	sub reload_facedata {	3772	sub reload_facedata {
2837	load_facedata "$DATADIR/facedata"	3773	load_facedata $DATADIR
2838	or die "unable to load facedata\n";	3774	or die "unable to load facedata\n";
2839	}	3775	}
2840		3776
2841	sub reload_archetypes {	3777	sub reload_archetypes {
2842	load_resource_file "$DATADIR/archetypes"	3778	load_resource_file "$DATADIR/archetypes"
2843	or die "unable to load archetypes\n";	3779	or die "unable to load archetypes\n";
2844	#d# NEED to laod twice to resolve forward references	3780
2845	# this really needs to be done in an extra post-pass	3781	cf::face::set
2846	# (which needs to be synchronous, so solve it differently)	3782	"res/skill_info" => FT_RSRC,
2847	load_resource_file "$DATADIR/archetypes"	3783	JSON::XS->new->utf8->canonical->encode (
2848	or die "unable to load archetypes\n";	3784	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3785	);
		3786
		3787	cf::face::set
		3788	"res/spell_paths" => FT_RSRC,
		3789	JSON::XS->new->utf8->canonical->encode (
		3790	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3791	);
		3792
		3793	# command completion
		3794	my @commands;
		3795
		3796	for (0..cf::arch::skillvec_size - 1) {
		3797	my $skill = cf::arch::skillvec $_;
		3798	my $name = $skill->name;
		3799	my $flags = cf::skill_flags $skill->subtype;
		3800
		3801	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3802	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3803	}
		3804
		3805	cf::client::set_command_face skill => \@commands;
2849	}	3806	}
2850		3807
2851	sub reload_treasures {	3808	sub reload_treasures {
2852	load_resource_file "$DATADIR/treasures"	3809	load_resource_file "$DATADIR/treasures"
2853	or die "unable to load treasurelists\n";	3810	or die "unable to load treasurelists\n";
2854	}	3811	}
2855		3812
		3813	sub reload_sound {
		3814	trace "loading sound config from $DATADIR/sound\n";
		3815
		3816	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3817
		3818	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3819	my $sound = $soundconf->{compat}[$_]
		3820	or next;
		3821
		3822	my $face = cf::face::find "sound/$sound->[1]";
		3823	cf::sound::set $sound->[0] => $face;
		3824	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3825	}
		3826
		3827	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3828	my $face = cf::face::find "sound/$v";
		3829	cf::sound::set $k => $face;
		3830	}
		3831	}
		3832
2856	sub reload_resources {	3833	sub reload_resources {
2857	warn "reloading resource files...\n";	3834	trace "reloading resource files...\n";
2858		3835
		3836	reload_materials;
		3837	reload_facedata;
		3838	reload_exp_table;
		3839	reload_sound;
		3840	reload_archetypes;
2859	reload_regions;	3841	reload_regions;
2860	reload_facedata;
2861	#reload_archetypes;#d#
2862	reload_archetypes;
2863	reload_treasures;	3842	reload_treasures;
2864		3843
2865	warn "finished reloading resource files\n";	3844	trace "finished reloading resource files\n";
2866	}	3845	}
2867		3846
2868	sub init {	3847	sub reload_config {
2869	reload_resources;	3848	trace "reloading config file...\n";
2870	}
2871		3849
2872	sub cfg_load {	3850	my $config = load_file "$CONFDIR/config";
2873	open my $fh, "<:utf8", "$CONFDIR/config"	3851	utf8::decode $config;
2874	or return;	3852	*CFG = decode_yaml $config;
2875		3853
2876	local $/;
2877	*CFG = YAML::Syck::Load <$fh>;
2878
2879	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3854	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2880		3855
2881	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3856	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2882	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3857	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2883		3858
2884	if (exists $CFG{mlockall}) {	3859	if (exists $CFG{mlockall}) {
…		…
2888	};	3863	};
2889	warn $@ if $@;	3864	warn $@ if $@;
2890	}	3865	}
2891	}	3866	}
2892		3867
		3868	sub pidfile() {
		3869	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3870	or die "$PIDFILE: $!";
		3871	flock $fh, &Fcntl::LOCK_EX
		3872	or die "$PIDFILE: flock: $!";
		3873	$fh
		3874	}
		3875
		3876	# make sure only one server instance is running at any one time
		3877	sub atomic {
		3878	my $fh = pidfile;
		3879
		3880	my $pid = <$fh>;
		3881	kill 9, $pid if $pid > 0;
		3882
		3883	seek $fh, 0, 0;
		3884	print $fh $$;
		3885	}
		3886
		3887	sub main_loop {
		3888	trace "EV::loop starting\n";
		3889	if (1) {
		3890	EV::loop;
		3891	}
		3892	trace "EV::loop returned\n";
		3893	goto &main_loop unless $REALLY_UNLOOP;
		3894	}
		3895
2893	sub main {	3896	sub main {
		3897	cf::init_globals; # initialise logging
		3898
		3899	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3900	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3901	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3902	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3903
		3904	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3905
2894	# we must not ever block the main coroutine	3906	# we must not ever block the main coroutine
2895	local $Coro::idle = sub {	3907	$Coro::idle = sub {
2896	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3908	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2897	(async {	3909	(async {
2898	Event::one_event;	3910	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3911	EV::loop EV::LOOP_ONESHOT;
2899	})->prio (Coro::PRIO_MAX);	3912	})->prio (Coro::PRIO_MAX);
2900	};	3913	};
2901		3914
2902	cfg_load;	3915	evthread_start IO::AIO::poll_fileno;
		3916
		3917	cf::sync_job {
		3918	cf::incloader::init ();
		3919
2903	db_init;	3920	db_init;
		3921
		3922	cf::init_anim;
		3923	cf::init_attackmess;
		3924	cf::init_dynamic;
		3925
		3926	cf::load_settings;
		3927
		3928	reload_resources;
		3929	reload_config;
		3930
		3931	cf::init_uuid;
		3932	cf::init_signals;
		3933	cf::init_skills;
		3934
		3935	cf::init_beforeplay;
		3936
		3937	atomic;
		3938
2904	load_extensions;	3939	load_extensions;
2905		3940
2906	$TICK_WATCHER->start;	3941	utime time, time, $RUNTIMEFILE;
2907	Event::loop;	3942
		3943	# no (long-running) fork's whatsoever before this point(!)
		3944	use POSIX ();
		3945	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3946
		3947	cf::_post_init 0;
		3948	};
		3949
		3950	cf::object::thawer::errors_are_fatal 0;
		3951	info "parse errors in files are no longer fatal from this point on.\n";
		3952
		3953	AE::postpone {
		3954	undef &main; # free gobs of memory :)
		3955	};
		3956
		3957	goto &main_loop;
2908	}	3958	}
2909		3959
2910	#############################################################################	3960	#############################################################################
2911	# initialisation and cleanup	3961	# initialisation and cleanup
2912		3962
2913	# install some emergency cleanup handlers	3963	# install some emergency cleanup handlers
2914	BEGIN {	3964	BEGIN {
		3965	our %SIGWATCHER = ();
2915	for my $signal (qw(INT HUP TERM)) {	3966	for my $signal (qw(INT HUP TERM)) {
2916	Event->signal (	3967	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2917	reentrant => 0,
2918	data => WF_AUTOCANCEL,
2919	signal => $signal,
2920	prio => 0,
2921	cb => sub {
2922	cf::cleanup "SIG$signal";	3968	cf::cleanup "SIG$signal";
2923	},
2924	);	3969	};
2925	}	3970	}
2926	}	3971	}
2927		3972
2928	sub write_runtime {	3973	sub write_runtime_sync {
2929	my $runtime = "$LOCALDIR/runtime";	3974	my $t0 = AE::time;
2930		3975
2931	# first touch the runtime file to show we are still running:	3976	# first touch the runtime file to show we are still running:
2932	# the fsync below can take a very very long time.	3977	# the fsync below can take a very very long time.
2933		3978
2934	IO::AIO::aio_utime $runtime, undef, undef;	3979	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2935		3980
2936	my $guard = cf::lock_acquire "write_runtime";	3981	my $guard = cf::lock_acquire "write_runtime";
2937		3982
2938	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3983	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2939	or return;	3984	or return;
2940		3985
2941	my $value = $cf::RUNTIME + 90 + 10;	3986	my $value = $cf::RUNTIME + 90 + 10;
2942	# 10 is the runtime save interval, for a monotonic clock	3987	# 10 is the runtime save interval, for a monotonic clock
2943	# 60 allows for the watchdog to kill the server.	3988	# 60 allows for the watchdog to kill the server.
…		…
2953	aio_utime $fh, undef, undef;	3998	aio_utime $fh, undef, undef;
2954		3999
2955	close $fh	4000	close $fh
2956	or return;	4001	or return;
2957		4002
2958	aio_rename "$runtime~", $runtime	4003	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2959	and return;	4004	and return;
2960		4005
2961	warn "runtime file written.\n";	4006	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2962		4007
2963	1	4008	1
		4009	}
		4010
		4011	our $uuid_lock;
		4012	our $uuid_skip;
		4013
		4014	sub write_uuid_sync($) {
		4015	$uuid_skip ||= $_[0];
		4016
		4017	return if $uuid_lock;
		4018	local $uuid_lock = 1;
		4019
		4020	my $uuid = "$LOCALDIR/uuid";
		4021
		4022	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4023	or return;
		4024
		4025	my $value = uuid_seq uuid_cur;
		4026
		4027	unless ($value) {
		4028	info "cowardly refusing to write zero uuid value!\n";
		4029	return;
		4030	}
		4031
		4032	my $value = uuid_str $value + $uuid_skip;
		4033	$uuid_skip = 0;
		4034
		4035	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4036	and return;
		4037
		4038	# always fsync - this file is important
		4039	aio_fsync $fh
		4040	and return;
		4041
		4042	close $fh
		4043	or return;
		4044
		4045	aio_rename "$uuid~", $uuid
		4046	and return;
		4047
		4048	trace "uuid file written ($value).\n";
		4049
		4050	1
		4051
		4052	}
		4053
		4054	sub write_uuid($$) {
		4055	my ($skip, $sync) = @_;
		4056
		4057	$sync ? write_uuid_sync $skip
		4058	: async { write_uuid_sync $skip };
2964	}	4059	}
2965		4060
2966	sub emergency_save() {	4061	sub emergency_save() {
2967	my $freeze_guard = cf::freeze_mainloop;	4062	my $freeze_guard = cf::freeze_mainloop;
2968		4063
2969	warn "enter emergency perl save\n";	4064	info "emergency_perl_save: enter\n";
		4065
		4066	# this is a trade-off: we want to be very quick here, so
		4067	# save all maps without fsync, and later call a global sync
		4068	# (which in turn might be very very slow)
		4069	local $USE_FSYNC = 0;
2970		4070
2971	cf::sync_job {	4071	cf::sync_job {
		4072	cf::write_runtime_sync; # external watchdog should not bark
		4073
2972	# use a peculiar iteration method to avoid tripping on perl	4074	# use a peculiar iteration method to avoid tripping on perl
2973	# refcount bugs in for. also avoids problems with players	4075	# refcount bugs in for. also avoids problems with players
2974	# and maps saved/destroyed asynchronously.	4076	# and maps saved/destroyed asynchronously.
2975	warn "begin emergency player save\n";	4077	info "emergency_perl_save: begin player save\n";
2976	for my $login (keys %cf::PLAYER) {	4078	for my $login (keys %cf::PLAYER) {
2977	my $pl = $cf::PLAYER{$login} or next;	4079	my $pl = $cf::PLAYER{$login} or next;
2978	$pl->valid or next;	4080	$pl->valid or next;
		4081	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2979	$pl->save;	4082	$pl->save;
2980	}	4083	}
2981	warn "end emergency player save\n";	4084	info "emergency_perl_save: end player save\n";
2982		4085
2983	warn "begin emergency map save\n";	4086	cf::write_runtime_sync; # external watchdog should not bark
		4087
		4088	info "emergency_perl_save: begin map save\n";
2984	for my $path (keys %cf::MAP) {	4089	for my $path (keys %cf::MAP) {
2985	my $map = $cf::MAP{$path} or next;	4090	my $map = $cf::MAP{$path} or next;
2986	$map->valid or next;	4091	$map->valid or next;
2987	$map->save;	4092	$map->save;
2988	}	4093	}
2989	warn "end emergency map save\n";	4094	info "emergency_perl_save: end map save\n";
2990		4095
2991	warn "begin emergency database checkpoint\n";	4096	cf::write_runtime_sync; # external watchdog should not bark
		4097
		4098	info "emergency_perl_save: begin database checkpoint\n";
2992	BDB::db_env_txn_checkpoint $DB_ENV;	4099	BDB::db_env_txn_checkpoint $DB_ENV;
2993	warn "end emergency database checkpoint\n";	4100	info "emergency_perl_save: end database checkpoint\n";
		4101
		4102	info "emergency_perl_save: begin write uuid\n";
		4103	write_uuid_sync 1;
		4104	info "emergency_perl_save: end write uuid\n";
		4105
		4106	cf::write_runtime_sync; # external watchdog should not bark
		4107
		4108	trace "emergency_perl_save: syncing database to disk";
		4109	BDB::db_env_txn_checkpoint $DB_ENV;
		4110
		4111	info "emergency_perl_save: starting sync\n";
		4112	IO::AIO::aio_sync sub {
		4113	info "emergency_perl_save: finished sync\n";
		4114	};
		4115
		4116	cf::write_runtime_sync; # external watchdog should not bark
		4117
		4118	trace "emergency_perl_save: flushing outstanding aio requests";
		4119	while (IO::AIO::nreqs || BDB::nreqs) {
		4120	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4121	}
		4122
		4123	cf::write_runtime_sync; # external watchdog should not bark
2994	};	4124	};
2995		4125
2996	warn "leave emergency perl save\n";	4126	info "emergency_perl_save: leave\n";
2997	}	4127	}
2998		4128
2999	sub post_cleanup {	4129	sub post_cleanup {
3000	my ($make_core) = @_;	4130	my ($make_core) = @_;
3001		4131
		4132	IO::AIO::flush;
		4133
3002	warn Carp::longmess "post_cleanup backtrace"	4134	error Carp::longmess "post_cleanup backtrace"
3003	if $make_core;	4135	if $make_core;
		4136
		4137	my $fh = pidfile;
		4138	unlink $PIDFILE if <$fh> == $$;
		4139	}
		4140
		4141	# a safer delete_package, copied from Symbol
		4142	sub clear_package($) {
		4143	my $pkg = shift;
		4144
		4145	# expand to full symbol table name if needed
		4146	unless ($pkg =~ /^main::.*::$/) {
		4147	$pkg = "main$pkg" if $pkg =~ /^::/;
		4148	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4149	$pkg .= '::' unless $pkg =~ /::$/;
		4150	}
		4151
		4152	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4153	my $stem_symtab = *{$stem}{HASH};
		4154
		4155	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4156	or return;
		4157
		4158	# clear all symbols
		4159	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4160	for my $name (keys %$leaf_symtab) {
		4161	_gv_clear *{"$pkg$name"};
		4162	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4163	}
3004	}	4164	}
3005		4165
3006	sub do_reload_perl() {	4166	sub do_reload_perl() {
3007	# can/must only be called in main	4167	# can/must only be called in main
3008	if ($Coro::current != $Coro::main) {	4168	unless (in_main) {
3009	warn "can only reload from main coroutine";	4169	error "can only reload from main coroutine";
3010	return;	4170	return;
3011	}	4171	}
3012		4172
3013	warn "reloading...";	4173	return if $RELOAD++;
3014		4174
3015	warn "entering sync_job";	4175	my $t1 = AE::time;
3016		4176
		4177	while ($RELOAD) {
		4178	cf::get_slot 0.1, -1, "reload_perl";
		4179	info "perl_reload: reloading...";
		4180
		4181	trace "perl_reload: entering sync_job";
		4182
3017	cf::sync_job {	4183	cf::sync_job {
3018	cf::write_runtime; # external watchdog should not bark
3019	cf::emergency_save;	4184	#cf::emergency_save;
3020	cf::write_runtime; # external watchdog should not bark
3021		4185
3022	warn "syncing database to disk";
3023	BDB::db_env_txn_checkpoint $DB_ENV;
3024
3025	# if anything goes wrong in here, we should simply crash as we already saved
3026
3027	warn "cancelling all WF_AUTOCANCEL watchers";
3028	for (Event::all_watchers) {
3029	$_->cancel if $_->data & WF_AUTOCANCEL;
3030	}
3031
3032	warn "flushing outstanding aio requests";
3033	for (;;) {
3034	BDB::flush;
3035	IO::AIO::flush;
3036	Coro::cede;
3037	last unless IO::AIO::nreqs || BDB::nreqs;
3038	warn "iterate...";
3039	}
3040
3041	++$RELOAD;
3042
3043	warn "cancelling all extension coros";	4186	trace "perl_reload: cancelling all extension coros";
3044	$_->cancel for values %EXT_CORO;	4187	$_->cancel for values %EXT_CORO;
3045	%EXT_CORO = ();	4188	%EXT_CORO = ();
3046		4189
3047	warn "removing commands";	4190	trace "perl_reload: removing commands";
3048	%COMMAND = ();	4191	%COMMAND = ();
3049		4192
3050	warn "removing ext/exti commands";	4193	trace "perl_reload: removing ext/exti commands";
3051	%EXTCMD = ();	4194	%EXTCMD = ();
3052	%EXTICMD = ();	4195	%EXTICMD = ();
3053		4196
3054	warn "unloading/nuking all extensions";	4197	trace "perl_reload: unloading/nuking all extensions";
3055	for my $pkg (@EXTS) {	4198	for my $pkg (@EXTS) {
3056	warn "... unloading $pkg";	4199	trace "... unloading $pkg";
3057		4200
3058	if (my $cb = $pkg->can ("unload")) {	4201	if (my $cb = $pkg->can ("unload")) {
3059	eval {	4202	eval {
3060	$cb->($pkg);	4203	$cb->($pkg);
3061	1	4204	1
3062	} or warn "$pkg unloaded, but with errors: $@";	4205	} or error "$pkg unloaded, but with errors: $@";
		4206	}
		4207
		4208	trace "... clearing $pkg";
		4209	clear_package $pkg;
3063	}	4210	}
3064		4211
3065	warn "... nuking $pkg";
3066	Symbol::delete_package $pkg;
3067	}
3068
3069	warn "unloading all perl modules loaded from $LIBDIR";	4212	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3070	while (my ($k, $v) = each %INC) {	4213	while (my ($k, $v) = each %INC) {
3071	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4214	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3072		4215
3073	warn "... unloading $k";	4216	trace "... unloading $k";
3074	delete $INC{$k};	4217	delete $INC{$k};
3075		4218
3076	$k =~ s/\.pm$//;	4219	$k =~ s/\.pm$//;
3077	$k =~ s/\//::/g;	4220	$k =~ s/\//::/g;
3078		4221
3079	if (my $cb = $k->can ("unload_module")) {	4222	if (my $cb = $k->can ("unload_module")) {
3080	$cb->();	4223	$cb->();
		4224	}
		4225
		4226	clear_package $k;
3081	}	4227	}
3082		4228
3083	Symbol::delete_package $k;
3084	}
3085
3086	warn "getting rid of safe::, as good as possible";	4229	trace "perl_reload: getting rid of safe::, as good as possible";
3087	Symbol::delete_package "safe::$_"	4230	clear_package "safe::$_"
3088	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4231	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3089		4232
3090	warn "unloading cf.pm \"a bit\"";	4233	trace "perl_reload: unloading cf.pm \"a bit\"";
3091	delete $INC{"cf.pm"};	4234	delete $INC{"cf.pm"};
3092	delete $INC{"cf/pod.pm"};	4235	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3093		4236
3094	# don't, removes xs symbols, too,	4237	# don't, removes xs symbols, too,
3095	# and global variables created in xs	4238	# and global variables created in xs
3096	#Symbol::delete_package __PACKAGE__;	4239	#clear_package __PACKAGE__;
3097		4240
3098	warn "unload completed, starting to reload now";	4241	info "perl_reload: unload completed, starting to reload now";
3099		4242
3100	warn "reloading cf.pm";	4243	trace "perl_reload: reloading cf.pm";
3101	require cf;	4244	require cf;
3102	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4245	cf::_connect_to_perl_1;
3103		4246
3104	warn "loading config and database again";	4247	trace "perl_reload: loading config and database again";
3105	cf::cfg_load;	4248	cf::reload_config;
3106		4249
3107	warn "loading extensions";	4250	trace "perl_reload: loading extensions";
3108	cf::load_extensions;	4251	cf::load_extensions;
3109		4252
		4253	if ($REATTACH_ON_RELOAD) {
3110	warn "reattaching attachments to objects/players";	4254	trace "perl_reload: reattaching attachments to objects/players";
3111	_global_reattach; # objects, sockets	4255	_global_reattach; # objects, sockets
3112	warn "reattaching attachments to maps";	4256	trace "perl_reload: reattaching attachments to maps";
3113	reattach $_ for values %MAP;	4257	reattach $_ for values %MAP;
3114	warn "reattaching attachments to players";	4258	trace "perl_reload: reattaching attachments to players";
3115	reattach $_ for values %PLAYER;	4259	reattach $_ for values %PLAYER;
		4260	}
3116		4261
3117	warn "leaving sync_job";	4262	cf::_post_init 1;
3118		4263
		4264	trace "perl_reload: leaving sync_job";
		4265
3119	1	4266	1
3120	} or do {	4267	} or do {
3121	warn $@;	4268	error $@;
3122	warn "error while reloading, exiting.";	4269	cf::cleanup "perl_reload: error, exiting.";
3123	exit 1;	4270	};
		4271
		4272	--$RELOAD;
3124	};	4273	}
3125		4274
3126	warn "reloaded";	4275	$t1 = AE::time - $t1;
		4276	info "perl_reload: completed in ${t1}s\n";
3127	};	4277	};
3128		4278
3129	our $RELOAD_WATCHER; # used only during reload	4279	our $RELOAD_WATCHER; # used only during reload
3130		4280
3131	sub reload_perl() {	4281	sub reload_perl() {
3132	# doing reload synchronously and two reloads happen back-to-back,	4282	# doing reload synchronously and two reloads happen back-to-back,
3133	# coro crashes during coro_state_free->destroy here.	4283	# coro crashes during coro_state_free->destroy here.
3134		4284
3135	$RELOAD_WATCHER ||= Event->timer (	4285	$RELOAD_WATCHER ||= cf::async {
3136	reentrant => 0,	4286	Coro::AIO::aio_wait cache_extensions;
3137	after => 0,	4287
3138	data => WF_AUTOCANCEL,	4288	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3139	cb => sub {
3140	do_reload_perl;	4289	do_reload_perl;
3141	undef $RELOAD_WATCHER;	4290	undef $RELOAD_WATCHER;
3142	},	4291	};
3143	);	4292	};
3144	}	4293	}
3145		4294
3146	register_command "reload" => sub {	4295	register_command "reload" => sub {
3147	my ($who, $arg) = @_;	4296	my ($who, $arg) = @_;
3148		4297
3149	if ($who->flag (FLAG_WIZ)) {	4298	if ($who->flag (FLAG_WIZ)) {
3150	$who->message ("reloading server.");	4299	$who->message ("reloading server.");
		4300	async {
		4301	$Coro::current->{desc} = "perl_reload";
3151	async { reload_perl };	4302	reload_perl;
		4303	};
3152	}	4304	}
3153	};	4305	};
3154		4306
3155	unshift @INC, $LIBDIR;	4307	#############################################################################
3156		4308
3157	my $bug_warning = 0;	4309	my $bug_warning = 0;
3158		4310
3159	our @WAIT_FOR_TICK;
3160	our @WAIT_FOR_TICK_BEGIN;
3161
3162	sub wait_for_tick {	4311	sub wait_for_tick() {
3163	return unless $TICK_WATCHER->is_active;	4312	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3164	return if $Coro::current == $Coro::main;
3165		4313
3166	my $signal = new Coro::Signal;	4314	$WAIT_FOR_TICK->wait;
3167	push @WAIT_FOR_TICK, $signal;
3168	$signal->wait;
3169	}	4315	}
3170		4316
3171	sub wait_for_tick_begin {	4317	sub wait_for_tick_begin() {
3172	return unless $TICK_WATCHER->is_active;	4318	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3173	return if $Coro::current == $Coro::main;
3174		4319
3175	my $signal = new Coro::Signal;	4320	my $signal = new Coro::Signal;
3176	push @WAIT_FOR_TICK_BEGIN, $signal;	4321	push @WAIT_FOR_TICK_BEGIN, $signal;
3177	$signal->wait;	4322	$signal->wait;
3178	}	4323	}
3179		4324
3180	my $min = 1e6;#d#	4325	sub tick {
3181	my $avg = 10;
3182	$TICK_WATCHER = Event->timer (
3183	reentrant => 0,
3184	parked => 1,
3185	prio => 0,
3186	at => $NEXT_TICK || $TICK,
3187	data => WF_AUTOCANCEL,
3188	cb => sub {
3189	if ($Coro::current != $Coro::main) {	4326	if ($Coro::current != $Coro::main) {
3190	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4327	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3191	unless ++$bug_warning > 10;	4328	unless ++$bug_warning > 10;
3192	return;	4329	return;
3193	}	4330	}
3194		4331
3195	$NOW = $tick_start = Event::time;	4332	cf::one_tick; # one server iteration
3196		4333
3197	cf::server_tick; # one server iteration	4334	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3198		4335
3199	0 && sync_job {#d#	4336	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3200	for(1..10) {	4337	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3201	my $t = Event::time;	4338	Coro::async_pool {
3202	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4339	$Coro::current->{desc} = "runtime saver";
3203	or die;	4340	write_runtime_sync
3204		4341	or error "ERROR: unable to write runtime file: $!";
3205	$map->width (50);
3206	$map->height (50);
3207	$map->alloc;
3208	$map->_load_objects ("/tmp/x.map", 1);
3209	my $t = Event::time - $t;
3210
3211	#next unless $t < 0.0013;#d#
3212	if ($t < $min) {
3213	$min = $t;
3214	}
3215	$avg = $avg * 0.99 + $t * 0.01;
3216	}
3217	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3218	exit 0;
3219	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3220	};	4342	};
		4343	}
3221		4344
3222	$RUNTIME += $TICK;
3223	$NEXT_TICK += $TICK;
3224
3225	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3226	$NEXT_RUNTIME_WRITE = $NOW + 10;
3227	Coro::async_pool {
3228	write_runtime
3229	or warn "ERROR: unable to write runtime file: $!";
3230	};
3231	}
3232
3233	# my $AFTER = Event::time;
3234	# warn $AFTER - $NOW;#d#
3235
3236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4345	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3237	$sig->send;	4346	$sig->send;
3238	}	4347	}
3239	while (my $sig = shift @WAIT_FOR_TICK) {	4348	$WAIT_FOR_TICK->broadcast;
3240	$sig->send;
3241	}
3242		4349
3243	$NOW = Event::time;	4350	$LOAD = ($NOW - $TICK_START) / $TICK;
3244
3245	# if we are delayed by four ticks or more, skip them all
3246	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3247
3248	$TICK_WATCHER->at ($NEXT_TICK);
3249	$TICK_WATCHER->start;
3250
3251	$LOAD = ($NOW - $tick_start) / $TICK;
3252	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4351	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3253		4352
3254	_post_tick;	4353	if (0) {
3255		4354	if ($NEXT_TICK) {
3256		4355	my $jitter = $TICK_START - $NEXT_TICK;
		4356	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4357	debug "jitter $JITTER\n";#d#
		4358	}
3257	},	4359	}
3258	);	4360	}
3259		4361
3260	{	4362	{
3261	BDB::max_poll_time $TICK * 0.1;	4363	# configure BDB
3262	$BDB_POLL_WATCHER = Event->io (	4364	info "initialising database";
3263	reentrant => 0,	4365
3264	fd => BDB::poll_fileno,
3265	poll => 'r',
3266	prio => 0,
3267	data => WF_AUTOCANCEL,
3268	cb => \&BDB::poll_cb,
3269	);
3270	BDB::min_parallel 8;	4366	BDB::min_parallel 16;
3271		4367	BDB::max_poll_reqs $TICK * 0.1;
3272	BDB::set_sync_prepare {	4368	#$AnyEvent::BDB::WATCHER->priority (1);
3273	my $status;
3274	my $current = $Coro::current;
3275	(
3276	sub {
3277	$status = $!;
3278	$current->ready; undef $current;
3279	},
3280	sub {
3281	Coro::schedule while defined $current;
3282	$! = $status;
3283	},
3284	)
3285	};
3286		4369
3287	unless ($DB_ENV) {	4370	unless ($DB_ENV) {
3288	$DB_ENV = BDB::db_env_create;	4371	$DB_ENV = BDB::db_env_create;
		4372	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4373	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4374	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4375	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4376	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3289		4377
3290	cf::sync_job {	4378	cf::sync_job {
3291	eval {	4379	eval {
3292	BDB::db_env_open	4380	BDB::db_env_open
3293	$DB_ENV,	4381	$DB_ENV,
…		…
3295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4383	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4384	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3297	0666;	4385	0666;
3298		4386
3299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4387	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3300
3301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3302	$DB_ENV->set_lk_detect;
3303	};	4388	};
3304		4389
3305	cf::cleanup "db_env_open(db): $@" if $@;	4390	cf::cleanup "db_env_open(db): $@" if $@;
3306	};	4391	};
3307	}	4392	}
		4393
		4394	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4395	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4396	};
		4397	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4398	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4399	};
		4400	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4401	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4402	};
		4403
		4404	info "database initialised";
3308	}	4405	}
3309		4406
3310	{	4407	{
		4408	# configure IO::AIO
		4409
		4410	info "initialising aio";
3311	IO::AIO::min_parallel 8;	4411	IO::AIO::min_parallel 8;
3312
3313	undef $Coro::AIO::WATCHER;
3314	IO::AIO::max_poll_time $TICK * 0.1;	4412	IO::AIO::max_poll_time $TICK * 0.1;
3315	$AIO_POLL_WATCHER = Event->io (	4413	undef $AnyEvent::AIO::WATCHER;
3316	reentrant => 0,	4414	info "aio initialised";
3317	data => WF_AUTOCANCEL,
3318	fd => IO::AIO::poll_fileno,
3319	poll => 'r',
3320	prio => 6,
3321	cb => \&IO::AIO::poll_cb,
3322	);
3323	}	4415	}
3324		4416
3325	my $_log_backtrace;	4417	our $_log_backtrace;
		4418	our $_log_backtrace_last;
3326		4419
3327	sub _log_backtrace {	4420	sub _log_backtrace {
3328	my ($msg, @addr) = @_;	4421	my ($msg, @addr) = @_;
3329		4422
3330	$msg =~ s/\n//;	4423	$msg =~ s/\n$//;
3331		4424
		4425	if ($_log_backtrace_last eq $msg) {
		4426	LOG llevInfo, "[ABT] $msg\n";
		4427	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3332	# limit the # of concurrent backtraces	4428	# limit the # of concurrent backtraces
3333	if ($_log_backtrace < 2) {	4429	} elsif ($_log_backtrace < 2) {
		4430	$_log_backtrace_last = $msg;
3334	++$_log_backtrace;	4431	++$_log_backtrace;
		4432	my $perl_bt = Carp::longmess $msg;
3335	async {	4433	async {
		4434	$Coro::current->{desc} = "abt $msg";
		4435
3336	my @bt = fork_call {	4436	my @bt = fork_call {
3337	@addr = map { sprintf "%x", $_ } @addr;	4437	@addr = map { sprintf "%x", $_ } @addr;
3338	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4438	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3339	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4439	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3340	or die "addr2line: $!";	4440	or die "addr2line: $!";
…		…
3348	}	4448	}
3349		4449
3350	@funcs	4450	@funcs
3351	};	4451	};
3352		4452
3353	LOG llevInfo, "[ABT] $msg\n";	4453	LOG llevInfo, "[ABT] $perl_bt\n";
		4454	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3354	LOG llevInfo, "[ABT] $_\n" for @bt;	4455	LOG llevInfo, "[ABT] $_\n" for @bt;
3355	--$_log_backtrace;	4456	--$_log_backtrace;
3356	};	4457	};
3357	} else {	4458	} else {
3358	LOG llevInfo, "[ABT] $msg\n";	4459	LOG llevInfo, "[ABT] $msg\n";
3359	LOG llevInfo, "[ABT] [suppressed]\n";	4460	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3360	}	4461	}
3361	}	4462	}
3362		4463
3363	# load additional modules	4464	# load additional modules
3364	use cf::pod;	4465	require "cf/$_.pm" for @EXTRA_MODULES;
		4466	cf::_connect_to_perl_2;
3365		4467
3366	END { cf::emergency_save }	4468	END { cf::emergency_save }
3367		4469
3368	1	4470	1
3369		4471

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