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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.357 by root, Tue Sep 4 08:42:58 2007 UTC vs.
Revision 1.614 by root, Mon Nov 26 15:12:16 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 3.64 ();	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;
24	use Coro::Util ();	54	use Coro::Util ();
25		55
		56	use Guard ();
26	use JSON::XS ();	57	use JSON::XS 2.01 ();
27	use BDB ();	58	use BDB ();
28	use Data::Dumper;	59	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	60	use Fcntl;
31	use YAML::Syck ();	61	use YAML::XS ();
32	use IO::AIO 2.32 ();	62	use IO::AIO ();
33	use Time::HiRes;
34	use Compress::LZF;	63	use Compress::LZF;
35	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
36		67
37	# configure various modules to our taste	68	# configure various modules to our taste
38	#	69	#
39	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
40	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";
41	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
42		78
43	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
44		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		81
50	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;
51		85
52	our %COMMAND = ();	86	our %COMMAND = ();
53	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
54		88
55	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
57	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
60		96
61	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
63		101
64	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
65	our $DATADIR = datadir;	104	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
69	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
74	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;
75		125
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	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;
81	our $NOW;	144	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off
83
84	our $BDB_POLL_WATCHER;
85	our $DB_ENV;
86
87	our %CFG;
88
89	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;
91		145
92	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
95		149
96	# 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 ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		152
99	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)
100	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
101	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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
102		165
103	binmode STDOUT;	166	binmode STDOUT;
104	binmode STDERR;	167	binmode STDERR;
105		168
106	# read virtual server time, if available	169	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
111	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
112		177
113	mkdir $_	178	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		180
116	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
117		182
118	sub cf::map::normalise;	183	sub cf::map::normalise;
119		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
120	#############################################################################	189	#############################################################################
121		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
122	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
123		203
124	=over 4	204	=over 4
125		205
126	=item $cf::UPTIME	206	=item $cf::UPTIME
127		207
128	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.
129		224
130	=item $cf::RUNTIME	225	=item $cf::RUNTIME
131		226
132	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
133	every server tick.	228	every server tick.
134		229
135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
138		233
139	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
142	database environment.	237	database environment.
143		238
144	=item $cf::NOW
145
146	The time of the last (current) server tick.
147
148	=item $cf::TICK
149
150	The interval between server ticks, in seconds.
151
152	=item $cf::LOADAVG	239	=item $cf::LOADAVG
153		240
154	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
159		246
160	The raw value load value from the last tick.	247	The raw value load value from the last tick.
161		248
162	=item %cf::CFG	249	=item %cf::CFG
163		250
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	252	from wherever your confdir points to.
166		253
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		255
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
170	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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();
172		277
173	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
174		279
175	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
176	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
177	that call.	282	that call.
178		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
179	=back	290	=back
180		291
181	=cut	292	=cut
182		293
183	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
184	*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 {
185	my $msg = join "", @_;	301	my $msg = join "", @_;
186		302
187	$msg .= "\n"	303	$msg .= "\n"
188	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
189		305
190	$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;
191		307
192	utf8::encode $msg;
193	LOG llevError, $msg;	308	LOG llevWarn, $msg;
194	};	309	};
195	}	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	};
196		324
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	335	for my $pkg (qw(
208	cf::global cf::attachable	336	cf::global cf::attachable
209	cf::object cf::object::player	337	cf::object cf::object::player
210	cf::client cf::player	338	cf::client cf::player
211	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
212	cf::map cf::party cf::region	341	cf::party cf::region
213	)) {	342	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	344	}
217		345
218	$Event::DIED = sub {	346	$EV::DIED = sub {
219	warn "error in event callback: @_";	347	warn "error in event callback: $@";
220	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
221		354
222	#############################################################################	355	#############################################################################
223		356
224	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
225		358
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	380	$d
248	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
249	}	382	}
250		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
251	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
252		437
253	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
254		439
255	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
256		441
257	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
258		443
259	=cut	444	=cut
260		445
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		447
263	sub to_json ($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
264	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	}
265		512
266	=item cf::lock_wait $string	513	=item cf::lock_wait $string
267		514
268	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
269		516
270	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
271		518
272	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
273	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,
274	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
275	returned.	522	returned.
276		523
277	Locks are *not* recursive, locking from the same coro twice results in a	524	Locks are *not* recursive, locking from the same coro twice results in a
278	deadlocked coro.	525	deadlocked coro.
…		…
284		531
285	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.
286		533
287	=cut	534	=cut
288		535
289	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
290		537
291	sub lock_wait($) {	538	sub lock_wait($) {
292	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
293
294	# wait for lock, if any
295	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;
298	}
299	}	540	}
300		541
301	sub lock_acquire($) {	542	sub lock_acquire($) {
302	my ($key) = @_;	543	$LOCKS->guard ($_[0])
303
304	# wait, to be sure we are not locked
305	lock_wait $key;
306
307	$LOCK{$key} = [];
308
309	Coro::guard {
310	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };
312	}
313	}	544	}
314		545
315	sub lock_active($) {	546	sub lock_active($) {
316	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
317
318	! ! $LOCK{$key}
319	}	548	}
320		549
321	sub freeze_mainloop {	550	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
323		552
324	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
325	$TICK_WATCHER->start;	554	}
326	};	555
327	$TICK_WATCHER->stop;	556	=item cf::periodic $interval, $cb
328	$guard	557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
329	}	569	}
330		570
331	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
332		572
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
334	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
335	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
336		580
337	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
338	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
339		583
340	Useful for short background jobs.	584	Useful for short background jobs.
341		585
342	=cut	586	=cut
343		587
344	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
346		591
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
349	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
350		598
351	while () {	599	while () {
352	next_job:	600	next_job:
		601
		602	Coro::cede;
		603
353	my $avail = cf::till_tick;	604	my $avail = cf::till_tick;
354	if ($avail > 0.01) {	605
355	for (0 .. $#SLOT_QUEUE) {	606	for (0 .. $#SLOT_QUEUE) {
356	if ($SLOT_QUEUE[$_][0] < $avail) {	607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
357	my $job = splice @SLOT_QUEUE, $_, 1, ();	609	my $job = splice @SLOT_QUEUE, $_, 1, ();
358	$job->[2]->send;	610	$job->[2]->send;
359	Coro::cede;
360	goto next_job;	611	goto next_job;
361	}	612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
362	}	614	}
363	}	615	}
364		616
365	if (@SLOT_QUEUE) {	617	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	618	wait_for_tick;
367	push @cf::WAIT_FOR_TICK, $signal;
368	$signal->wait;
369	} else {	619	} else {
		620	$busy = 0;
370	Coro::schedule;	621	Coro::schedule;
371	}	622	}
372	}	623	}
373	};	624	};
374		625
375	sub get_slot($;$$) {	626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
376	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
377		630
378	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
379	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
380		634
381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
383	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
394		648
395	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
396		650
397	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
398		652
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
400	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
401	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
402	acceptable.	656	acceptable.
403		657
404	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
405	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
…		…
409	=cut	663	=cut
410		664
411	sub sync_job(&) {	665	sub sync_job(&) {
412	my ($job) = @_;	666	my ($job) = @_;
413		667
414	if ($Coro::current == $Coro::main) {	668	if (in_main) {
415	my $time = Event::time;	669	my $time = AE::time;
416		670
417	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
419		673
420	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	675
422	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
423		677
424	my $busy = 1;	678	my $busy = 1;
425	my @res;	679	my @res;
426		680
427	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	683	@res = eval { $job->() };
429	warn $@ if $@;	684	error $@ if $@;
430	undef $busy;	685	undef $busy;
431	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
432		687
433	while ($busy) {	688	while ($busy) {
434	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
435	}	693	}
		694	}
436		695
437	$time = Event::time - $time;	696	my $time = AE::time - $time;
438		697
439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
443		699
444	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
445	} else {	701	} else {
446	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
447		703
…		…
467	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
468		724
469	$coro	725	$coro
470	}	726	}
471		727
472	=item fork_call { }, $args	728	=item fork_call { }, @args
473		729
474	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
475	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
476	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
477	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
478		734
479	=cut	735	=cut
		736
		737	sub post_fork {
		738	reset_signals;
		739	}
480		740
481	sub fork_call(&@) {	741	sub fork_call(&@) {
482	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
483		743
484	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (likely this will be rather laborious)
487
488	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
489	reset_signals;	745	cf::post_fork;
490	&$cb	746	&$cb
491	}, @args;	747	} @args;
492		748
493	wantarray ? @res : $res[-1]	749	wantarray ? @res : $res[-1]
		750	}
		751
		752	sub objinfo {
		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
494	}	788	}
495		789
496	=item $value = cf::db_get $family => $key	790	=item $value = cf::db_get $family => $key
497		791
498	Returns a single value from the environment database.	792	Returns a single value from the environment database.
…		…
500	=item cf::db_put $family => $key => $value	794	=item cf::db_put $family => $key => $value
501		795
502	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
503	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).
504		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
505	=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	}
506		825
507	our $DB;	826	our $DB;
508		827
509	sub db_init {	828	sub db_init {
510	unless ($DB) {	829	$DB ||= db_table "db";
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {
514	eval {
515	$DB->set_flags (BDB::CHKSUM);
516
517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519	cf::cleanup "db_open(db): $!" if $!;
520	};
521	cf::cleanup "db_open(db): $@" if $@;
522	};
523	}
524	}	830	}
525		831
526	sub db_get($$) {	832	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
528		834
529	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
530	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
531		839
532	$! ? ()	840	$! ? ()
533	: $data	841	: $data
534	}
535	}	842	}
536		843
537	sub db_put($$$) {	844	sub db_put($$$) {
538	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
567		874
568	my @data;	875	my @data;
569	my $md5;	876	my $md5;
570		877
571	for (0 .. $#$src) {	878	for (0 .. $#$src) {
572	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
573	or Carp::croak "$src->[$_]: $!";
574	}	880	}
575		881
576	# if processing is expensive, check	882	# if processing is expensive, check
577	# checksum first	883	# checksum first
578	if (1) {	884	if (1) {
…		…
591		897
592	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
593	}	899	}
594	}	900	}
595		901
596	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
597	my $data = $process->(\@data);	903	my $data = $process->(\@data);
598	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
599		905
600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
601		907
602	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
603	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
604	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
605		911
…		…
615		921
616	=cut	922	=cut
617		923
618	sub datalog($@) {	924	sub datalog($@) {
619	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
621	}	927	}
622		928
623	=back	929	=back
624		930
625	=cut	931	=cut
626		932
627	#############################################################################	933	#############################################################################
628		934
629	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
630		936
631	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
632	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")
633	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
634		940
635	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>
636	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
637	Crossfire TRT).	943	Deliantra).
638		944
639	=over 4	945	=over 4
640		946
641	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
642		948
…		…
686	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
687		993
688	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
689	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
690		996
691	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
692	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.
693		999
694	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
695		1001
696	=over 4	1002	=over 4
…		…
820		1126
821	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
822	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
823		1129
824	} elsif (ref $type) {	1130	} elsif (ref $type) {
825	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
826		1132
827	} else {	1133	} else {
828	shift @arg;	1134	shift @arg;
829	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
830	}	1136	}
831	}	1137	}
832	}	1138	}
833		1139
834	sub _object_attach {	1140	sub _object_attach {
…		…
844	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
845	}	1151	}
846		1152
847	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
848	} else {	1154	} else {
849	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
850	}	1156	}
851		1157
852	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
853	}	1159	}
854		1160
…		…
913		1219
914	for (@$callbacks) {	1220	for (@$callbacks) {
915	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
916		1222
917	if ($@) {	1223	if ($@) {
918	warn "$@";
919	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
920	override;	1225	override;
921	}	1226	}
922		1227
923	return 1 if $override;	1228	return 1 if $override;
924	}	1229	}
925		1230
926	0	1231	0
927	}	1232	}
928		1233
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1235
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1237
933	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
934		1239
…		…
940		1245
941	=cut	1246	=cut
942		1247
943	#############################################################################	1248	#############################################################################
944	# object support	1249	# object support
945	#
946		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#
947	sub _can_merge {	1284	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1285	my ($ob1, $ob2) = @_;
949		1286
950	local $Storable::canonical = 1;	1287	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1288
954	$fob1 eq $fob2	1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
955	}	1291	}
956		1292
957	sub reattach {	1293	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1295	my ($obj) = @_;
960		1296
		1297	# no longer needed after getting rid of delete_package?
961	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
962		1299
963	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
964		1301
965	@$registry = ();	1302	@$registry = ();
966		1303
…		…
971	for (@$attach) {	1308	for (@$attach) {
972	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
973	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
974	}	1311	}
975	} else {	1312	} else {
976	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
977	}	1314	}
978	}	1315	}
979	}	1316	}
980		1317
981	cf::attachable->attach (	1318	cf::attachable->attach (
982	prio => -1000000,	1319	prio => -1000000,
983	on_instantiate => sub {	1320	on_instantiate => sub {
984	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
985		1322
986	$data = from_json $data;	1323	$data = decode_json $data;
987		1324
988	for (@$data) {	1325	for (@$data) {
989	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
990		1327
991	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
1005	);	1342	);
1006		1343
1007	sub object_freezer_save {	1344	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1009		1346
1010	my $guard = cf::lock_acquire "io";
1011
1012	sync_job {	1347	sync_job {
1013	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
1014	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1015	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1016		1353
1017	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1018	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
1019	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1020	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	}
1021	close $fh;	1361	aio_close $fh;
1022		1362
1023	if (@$objs) {	1363	if (@$objs) {
1024	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) {
1025	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
1026	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1027	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1028	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	}
1029	close $fh;	1372	aio_close $fh;
1030	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1031	}	1374	}
1032	} else {	1375	} else {
1033	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1034	}	1377	}
1035		1378
1036	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1037	} else {	1383	} else {
1038	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1039	}	1385	}
1040	} else {	1386	} else {
1041	aio_unlink $filename;	1387	aio_unlink $filename;
1042	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1043	}	1389	}
1044	};	1390	};
1045
1046	undef $guard;
1047	}	1391	}
1048		1392
1049	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
1050	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
1051		1395
…		…
1056		1400
1057	sub object_thawer_load {	1401	sub object_thawer_load {
1058	my ($filename) = @_;	1402	my ($filename) = @_;
1059		1403
1060	my ($data, $av);	1404	my ($data, $av);
1061
1062	my $guard = cf::lock_acquire "io";
1063		1405
1064	(aio_load $filename, $data) >= 0	1406	(aio_load $filename, $data) >= 0
1065	or return;	1407	or return;
1066		1408
1067	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
1068	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
1069	or return;	1411	or return;
1070		1412
1071	undef $guard;
1072	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
1073	}	1415	}
1074		1416
		1417	utf8::decode (my $decname = $filename);
1075	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1076	$filename, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
1077		1421
1078	($data, $av)	1422	($data, $av)
1079	}	1423	}
1080		1424
1081	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
…		…
1085	=cut	1429	=cut
1086		1430
1087	#############################################################################	1431	#############################################################################
1088	# command handling &c	1432	# command handling &c
1089		1433
1090	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1091		1435
1092	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
1093	$name.	1437	$name.
1094		1438
1095	=cut	1439	=cut
…		…
1101	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1102		1446
1103	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1104	}	1448	}
1105		1449
1106	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1107		1451
1108	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1109	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
1110	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
1111	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
1112	has logged in successfully.	1456	has logged in successfully.
1113		1457
1114	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1115	called.
1116		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
1117	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1118		1466
1119	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1120	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
1121	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
1122	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
1123	log-in.	1471	log-in.
1124		1472
1125	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1126	called.
1127		1474
1128	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1129		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
1130	sub register_extcmd {	1482	sub register_extcmd($$) {
1131	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1132		1484
1133	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1134	}	1486	}
1135		1487
1136	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1137	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1138		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1139	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1140	}	1498	}
1141		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1142	cf::player->attach (	1508	cf::player->attach (
1143	on_command => sub {	1509	on_unknown_command => sub {
1144	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1145		1511
1146	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1147	or return;	1513	or return;
1148		1514
…		…
1156	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1157		1523
1158	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1159		1525
1160	if (ref $msg) {	1526	if (ref $msg) {
1161	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1162	"ARRAY" eq ref $msg
1163	? @$msg
1164	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1165		1528
1166	my @reply;
1167
1168	if (my $cb = $EXTCMD{$type}) {	1529	if (my $cb = $EXTACMD{$type}) {
		1530	$cb->(
		1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
1169	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1170	}	1547	}
1171		1548
1172	$pl->ext_reply ($reply, @reply)
1173	if $reply;
1174
1175	} else {	1549	} else {
1176	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1177	}	1551	}
1178		1552
1179	cf::override;	1553	cf::override;
1180	},	1554	},
1181	);	1555	);
1182		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
1183	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1184	cf::sync_job {	1586	cf::sync_job {
1185	my %todo;	1587	my %todo;
1186		1588
1187	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1188	next unless -r $path;	1590	next unless -r $path;
…		…
1206		1608
1207	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1208	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1209		1611
1210	$ext{source} =	1612	$ext{source} =
1211	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1212	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1213	. $source	1615	. $source
1214	. "\n};\n1";	1616	. "\n};\n1";
1215		1617
1216	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1217	}	1619	}
1218		1620
		1621	my $pass = 0;
1219	my %done;	1622	my %done;
1220	while (%todo) {	1623	while (%todo) {
1221	my $progress;	1624	my $progress;
1222		1625
		1626	++$pass;
		1627
		1628	ext:
1223	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1224	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1225	goto skip	1631	next ext
1226	unless exists $done{$_};	1632	unless exists $done{$_};
1227	}	1633	}
1228		1634
1229	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1230		1636
1231	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 $@) {
1232	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1233	: "$v->{base}: extension inactive.\n";
1234		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1235	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1236	warn $msg;	1653
1237	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1238	exit 1;	1655	delete $todo{$k};
1239	}	1656	} else {
1240		1657	$done{$k} = delete $todo{$k};
1241	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1242	}	1663	}
1243
1244	$done{$k} = delete $todo{$k};
1245	push @EXTS, $v->{pkg};
1246	$progress = 1;
1247	}	1664	}
1248		1665
1249	skip:	1666	unless ($progress) {
1250	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1251	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	}
1252	}	1676	}
1253	};	1677	};
1254	}	1678	}
1255		1679
1256	#############################################################################	1680	#############################################################################
1257		1681
1258	=back	1682	=back
1259		1683
1260	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1261		1685
1262	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1263		1687
1264	=cut	1688	=cut
1265		1689
1266	package cf::player;	1690	package cf::player;
1267		1691
1268	use Coro::AIO;	1692	use Coro::AIO;
1269		1693
1270	=head3 cf::player	1694	=head3 cf::player
1271		1695
1272	=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	}
1273		1711
1274	=item cf::player::find $login	1712	=item cf::player::find $login
1275		1713
1276	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
1277		1715
…		…
1296		1734
1297	sub exists($) {	1735	sub exists($) {
1298	my ($login) = @_;	1736	my ($login) = @_;
1299		1737
1300	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1301	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1302	}	1740	}
1303		1741
1304	sub find($) {	1742	sub find($) {
1305	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1306	my $login = $_[0];	1744	my $login = $_[0];
…		…
1316	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1317		1755
1318	my $f = new_from_file cf::object::thawer path $login	1756	my $f = new_from_file cf::object::thawer path $login
1319	or return;	1757	or return;
1320		1758
1321	$f->next;
1322	my $pl = cf::player::load_pl $f	1759	my $pl = cf::player::load_pl $f
1323	or return;	1760	or return;
		1761
1324	local $cf::PLAYER_LOADING{$login} = $pl;	1762	local $cf::PLAYER_LOADING{$login} = $pl;
1325	$f->resolve_delayed_derefs;	1763	$f->resolve_delayed_derefs;
1326	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1327	}	1765	}
1328	}	1766	}
1329	}	1767	}
1330		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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	);
		1781
1331	sub save($) {	1782	sub save($) {
1332	my ($pl) = @_;	1783	my ($pl) = @_;
1333		1784
1334	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
1335		1786
…		…
1338		1789
1339	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1340		1791
1341	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1342	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
		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];
1343		1799
1344	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1345	cf::cede_to_tick;	1801	cf::cede_to_tick;
1346	}	1802	}
1347		1803
…		…
1379	my ($pl) = @_;	1835	my ($pl) = @_;
1380		1836
1381	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1382		1838
1383	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1384	$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
1385		1841
1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1387	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1388	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1389	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1390		1850
1391	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1392	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1393	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1431		1891
1432	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
1433	my $path = path $login;	1893	my $path = path $login;
1434		1894
1435	# a .pst is a dead give-away for a valid player	1895	# a .pst is a dead give-away for a valid player
1436	unless (-e "$path.pst") {	1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1437	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1438	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1439	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
1440	}	1901	}
1441		1902
…		…
1445		1906
1446	\@logins	1907	\@logins
1447	}	1908	}
1448		1909
1449	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1450		1913
1451	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1452	player. May block.	1915	player. May block.
1453		1916
1454	=cut	1917	=cut
…		…
1472	}	1935	}
1473		1936
1474	\@paths	1937	\@paths
1475	}	1938	}
1476		1939
1477	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1478		1941
1479	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1480
1481	=cut
1482
1483	sub expand_cfpod {
1484	((my $self), (local $_)) = @_;
1485
1486	# escape & and <
1487	s/&/&amp;/g;
1488	s/(?<![BIUGHT])</&lt;/g;
1489
1490	# this is buggy, it needs to properly take care of nested <'s
1491
1492	1 while
1493	# replace B<>, I<>, U<> etc.
1494	s/B<([^\>]*)>/<b>$1<\/b>/
1495	|| s/I<([^\>]*)>/<i>$1<\/i>/
1496	|| s/U<([^\>]*)>/<u>$1<\/u>/
1497	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527
1528	=item $player->ext_reply ($msgid, @msg)
1529
1530	Sends an ext reply to the player.
1531
1532	=cut
1533
1534	sub ext_reply($$@) {
1535	my ($self, $id, @msg) = @_;
1536
1537	$self->ns->ext_reply ($id, @msg)
1538	}
1539		1943
1540	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1541		1945
1542	Sends an ext event to the client.	1946	Sends an ext event to the client.
1543		1947
…		…
1563		1967
1564	=cut	1968	=cut
1565		1969
1566	sub find_by_path($) {	1970	sub find_by_path($) {
1567	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1568		1974
1569	my ($match, $specificity);	1975	my ($match, $specificity);
1570		1976
1571	for my $region (list) {	1977	for my $region (list) {
1572	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1598	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1599	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1600		2006
1601	sub generate_random_map {	2007	sub generate_random_map {
1602	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1603	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1604	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1605	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1606	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1607	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1608	$rmp->{exit_on_final_map},
1609	$rmp->{xsize}, $rmp->{ysize},
1610	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1611	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1612	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1613	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1614	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1615	(cf::region::find $rmp->{region}), $rmp->{custom}
1616	)
1617	}	2013	}
1618		2014
1619	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1620		2016
1621	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
…		…
1626		2022
1627	sub register {	2023	sub register {
1628	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1629	my $pkg = caller;	2025	my $pkg = caller;
1630		2026
1631	no strict;
1632	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1633		2028
1634	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1635	}	2030	}
1636		2031
1637	# also paths starting with '/'	2032	# also paths starting with '/'
1638	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1639		2034
1640	sub thawer_merge {	2035	sub thawer_merge {
1641	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1642		2037
1643	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1648	}	2043	}
1649		2044
1650	sub normalise {	2045	sub normalise {
1651	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1652		2047
1653	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1654		2049
1655	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1656		2051
1657	# map plan:	2052	# map plan:
1658	#	2053	#
…		…
1673	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1674	$path = "$base/$path";	2069	$path = "$base/$path";
1675	}	2070	}
1676		2071
1677	for ($path) {	2072	for ($path) {
1678	redo if s{//}{/};
1679	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1680	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1681	}	2075	}
1682		2076
1683	$path	2077	$path
…		…
1697	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1698	return $self;	2092	return $self;
1699	}	2093	}
1700	}	2094	}
1701		2095
1702	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1703	()	2097	()
1704	}	2098	}
1705		2099
		2100	# may re-bless or do other evil things
1706	sub init {	2101	sub init {
1707	my ($self) = @_;	2102	my ($self) = @_;
1708		2103
1709	$self	2104	$self
1710	}	2105	}
…		…
1729		2124
1730	# the temporary/swap location	2125	# the temporary/swap location
1731	sub save_path {	2126	sub save_path {
1732	my ($self) = @_;	2127	my ($self) = @_;
1733		2128
1734	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1735	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1736	}	2131	}
1737		2132
1738	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1739	sub uniq_path {	2134	sub uniq_path {
1740	my ($self) = @_;	2135	my ($self) = @_;
1741		2136
1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1743	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1744	}
1745
1746	# and all this just because we cannot iterate over
1747	# all maps in C++...
1748	sub change_all_map_light {
1749	my ($change) = @_;
1750
1751	$_->change_map_light ($change)
1752	for grep $_->outdoor, values %cf::MAP;
1753	}	2139	}
1754		2140
1755	sub decay_objects {	2141	sub decay_objects {
1756	my ($self) = @_;	2142	my ($self) = @_;
1757		2143
…		…
1784	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1785		2171
1786	1	2172	1
1787	}	2173	}
1788		2174
		2175	# used to laod the header of an original map
1789	sub load_header_orig {	2176	sub load_header_orig {
1790	my ($self) = @_;	2177	my ($self) = @_;
1791		2178
1792	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1793	}	2180	}
1794		2181
		2182	# used to laod the header of an instantiated map
1795	sub load_header_temp {	2183	sub load_header_temp {
1796	my ($self) = @_;	2184	my ($self) = @_;
1797		2185
1798	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1799	}	2187	}
1800		2188
		2189	# called after loading the header from an instantiated map
1801	sub prepare_temp {	2190	sub prepare_temp {
1802	my ($self) = @_;	2191	my ($self) = @_;
1803		2192
1804	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1805	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1806	# safety	2195	# safety
1807	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1808	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1809	}	2198	}
1810		2199
		2200	# called after loading the header from an original map
1811	sub prepare_orig {	2201	sub prepare_orig {
1812	my ($self) = @_;	2202	my ($self) = @_;
1813		2203
1814	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1815	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1839		2229
1840	sub find;	2230	sub find;
1841	sub find {	2231	sub find {
1842	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1843		2233
		2234	cf::cede_to_tick;
		2235
1844	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1845		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1846	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1847		2240
1848	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1849	my $guard = cf::lock_acquire "map_find:$path";
1850	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1851	or return;	2243	or return;
1852		2244
1853	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1854		2246
…		…
1856	or return;	2248	or return;
1857		2249
1858	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1859	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1860	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1861	$map->reset;	2255	$map->reset;
1862	undef $guard;
1863	return find $path;	2256	return find $path;
1864	}	2257	}
1865		2258
1866	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1867	}	2260	}
1868	}	2261	}
1869		2262
1870	sub pre_load { }	2263	sub pre_load { }
1871	sub post_load { }	2264	#sub post_load { } # XS
1872		2265
1873	sub load {	2266	sub load {
1874	my ($self) = @_;	2267	my ($self) = @_;
1875		2268
1876	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1879		2272
1880	{	2273	{
1881	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1882		2275
1883	return unless $self->valid;	2276	return unless $self->valid;
1884	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1885
1886	$self->in_memory (cf::MAP_LOADING);
1887		2278
1888	$self->alloc;	2279	$self->alloc;
1889		2280
1890	$self->pre_load;	2281	$self->pre_load;
1891	cf::cede_to_tick;	2282	cf::cede_to_tick;
1892		2283
		2284	if (exists $self->{load_path}) {
1893	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
1894	$f->skip_block;	2286	$f->skip_block;
1895	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
1896	or return;	2288	or return;
1897		2289
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1899	if delete $self->{load_original};	2291	if delete $self->{load_original};
1900		2292
1901	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2294	utf8::encode $uniq;
1903	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
1904	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1905	$self->clear_unique_items;	2297	$self->clear_unique_items;
1906	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
1907	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
1908	}	2301	}
1909	}	2302	}
1910	}
1911		2303
1912	$f->resolve_delayed_derefs;	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);
1913		2311
1914	cf::cede_to_tick;	2312	cf::cede_to_tick;
1915	# now do the right thing for maps	2313	# now do the right thing for maps
1916	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1917	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
1921	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1922	$self->decay_objects;	2320	$self->decay_objects;
1923	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1924	$self->update_buttons;	2322	$self->update_buttons;
1925	cf::cede_to_tick;	2323	cf::cede_to_tick;
1926	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1927	cf::cede_to_tick;
1928	$self->activate;
1929	}	2325	}
1930		2326
1931	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
1932	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
1933
1934	$self->in_memory (cf::MAP_IN_MEMORY);
1935	}	2329	}
1936		2330
1937	$self->post_load;	2331	$self->post_load;
1938	}
1939		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
1940	sub customise_for {	2339	sub customise_for {
1941	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1942		2341
1943	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1944	if $self->per_player;	2343	if $self->per_player;
…		…
1947	# if $self->per_party;	2346	# if $self->per_party;
1948		2347
1949	$self	2348	$self
1950	}	2349	}
1951		2350
1952	# find and load all maps in the 3x3 area around a map
1953	sub load_neighbours {
1954	my ($map) = @_;
1955
1956	my @neigh; # diagonal neighbours
1957
1958	for (0 .. 3) {
1959	my $neigh = $map->tile_path ($_)
1960	or next;
1961	$neigh = find $neigh, $map
1962	or next;
1963	$neigh->load;
1964
1965	push @neigh,
1966	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1967	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1968	}
1969
1970	for (grep defined $_->[0], @neigh) {
1971	my ($path, $origin) = @$_;
1972	my $neigh = find $path, $origin
1973	or next;
1974	$neigh->load;
1975	}
1976	}
1977
1978	sub find_sync {	2351	sub find_sync {
1979	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1980		2353
1981	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
1982	}	2359	}
1983		2360
1984	sub do_load_sync {	2361	sub do_load_sync {
1985	my ($map) = @_;	2362	my ($map) = @_;
1986		2363
		2364	# it's a bug to call this from the main context
1987	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1988	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
1989		2367
1990	cf::sync_job { $map->load };	2368	$map->load;
1991	}	2369	}
1992		2370
1993	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1994	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1995		2373
1996	sub find_async {	2374	sub find_async {
1997	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
1998		2376
1999	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2000		2378
2001	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2002	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
2003	}	2381	}
2004		2382
2005	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2006		2384
2007	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
2008	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
2009	while (my ($k, $v) = each %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
2010	if (my $map = find $k) {	2390	if (my $map = find $k) {
2011	$map->load if $v;	2391	$map->load if $v;
2012	}	2392	}
…		…
2019	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2020		2400
2021	()	2401	()
2022	}	2402	}
2023		2403
		2404	# common code, used by both ->save and ->swapout
2024	sub save {	2405	sub _save {
2025	my ($self) = @_;	2406	my ($self) = @_;
2026
2027	my $lock = cf::lock_acquire "map_data:$self->{path}";
2028		2407
2029	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2030		2409
2031	return unless $self->dirty;	2410	return unless $self->dirty;
2032		2411
…		…
2038	return if $self->{deny_save};	2417	return if $self->{deny_save};
2039		2418
2040	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
2041		2420
2042	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
2043	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
2044	};	2424	};
		2425
		2426	cf::get_slot 0.02;
2045		2427
2046	if ($uniq) {	2428	if ($uniq) {
2047	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2048	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2049	} else {	2431	} else {
2050	$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);
2051	}	2433	}
2052	}	2434	}
2053		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2054	sub swap_out {	2444	sub swap_out {
2055	my ($self) = @_;	2445	my ($self) = @_;
2056		2446
2057	# save first because save cedes
2058	$self->save;
2059
2060	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2061		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2062	return if $self->players;	2451	return if $self->players;
2063	return if $self->in_memory != cf::MAP_IN_MEMORY;
2064	return if $self->{deny_save};
2065		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
2066	$self->clear;	2462	$self->clear;
2067	$self->in_memory (cf::MAP_SWAPPED);
2068	}	2463	}
2069		2464
2070	sub reset_at {	2465	sub reset_at {
2071	my ($self) = @_;	2466	my ($self) = @_;
2072		2467
…		…
2090		2485
2091	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
2092		2487
2093	return if $self->players;	2488	return if $self->players;
2094		2489
2095	warn "resetting map ", $self->path;	2490	cf::trace "resetting map ", $self->path, "\n";
2096		2491
2097	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
2098		2493
2099	# need to save uniques path	2494	# need to save uniques path
2100	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
2101	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
2102		2497
…		…
2104	if $uniq;	2499	if $uniq;
2105	}	2500	}
2106		2501
2107	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
2108		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
2109	$self->clear;	2506	$self->clear;
2110
2111	$_->clear_links_to ($self) for values %cf::MAP;
2112		2507
2113	$self->unlink_save;	2508	$self->unlink_save;
2114	$self->destroy;	2509	$self->destroy;
2115	}	2510	}
2116		2511
…		…
2124		2519
2125	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2126		2521
2127	$self->unlink_save;	2522	$self->unlink_save;
2128		2523
2129	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2130	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2131	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2132	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2133	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2134		2529
…		…
2183		2578
2184	sub unique_maps() {	2579	sub unique_maps() {
2185	[	2580	[
2186	map {	2581	map {
2187	utf8::decode $_;	2582	utf8::decode $_;
2188	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2189	? normalise $_	2586	: normalise $_
2190	: ()
2191	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2192	]	2588	]
2193	}	2589	}
2194		2590
2195	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	}
2196		2622
2197	=back	2623	=back
2198		2624
2199	=head3 cf::object	2625	=head3 cf::object
2200		2626
…		…
2204		2630
2205	=over 4	2631	=over 4
2206		2632
2207	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2208		2634
2209	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.
2210		2637
2211	=cut	2638	=cut
2212		2639
2213	sub inv_recursive_;	2640	sub inv_recursive_;
2214	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2219	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2220	}	2647	}
2221		2648
2222	=item $ref = $ob->ref	2649	=item $ref = $ob->ref
2223		2650
2224	creates and returns a persistent reference to an objetc that can be stored as a string.	2651	Creates and returns a persistent reference to an object that can be stored as a string.
2225		2652
2226	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2227		2654
2228	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
2229	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2230		2657
2231	=cut	2658	=cut
2232		2659
2233	sub deref {	2660	sub deref {
2234	my ($ref) = @_;	2661	my ($ref) = @_;
2235		2662
2236	# temporary compatibility#TODO#remove
2237	$ref =~ s{^<}{player/<};
2238
2239	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2663	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2240	my ($uuid, $name) = ($1, $2);	2664	my ($uuid, $name) = ($1, $2);
2241	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2665	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2242	or return;	2666	or return;
2243	$pl->ob->uuid eq $uuid	2667	$pl->ob->uuid eq $uuid
2244	or return;	2668	or return;
…		…
2264	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
2265	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2266		2690
2267	=cut	2691	=cut
2268		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	};
		2706
2269	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2270	# with dialog boxes.	2708	# with dialog boxes.
2271	#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
2272	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
2273	my ($self, $npc, $msg, $flags) = @_;	2711	my ($self, $npc, $msg, $flags) = @_;
…		…
2284	my $dialog = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2285	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2286		2724
2287	} else {	2725	} else {
2288	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2289	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2290	}	2728	}
2291	}	2729	}
2292	}	2730	}
2293		2731
2294	=item $object->send_msg ($channel, $msg, $color, [extra...])	2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2304	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
2305		2743
2306	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
2307	(e.g. "command_wizcast").	2745	(e.g. "command_wizcast").
2308		2746
		2747	This is implemented by checking a config setting of C<may_access> where
		2748	C<access> is replaced by the access string. The following alternatives are
		2749	possible (and are tested in order):
		2750
		2751	=over 4
		2752
		2753	=item * Player is DM
		2754
		2755	The request will succeed.
		2756
		2757	=item * may_access is an array reference
		2758
		2759	If either the player nickname or UUID is in the array, the request will
		2760	succeed, otherwise it will fail.
		2761
		2762	=item * may_access is a true value
		2763
		2764	The request will succeed.
		2765
		2766	=item * may_access is missing or false
		2767
		2768	The request will fail.
		2769
		2770	=back
		2771
2309	=cut	2772	=cut
2310		2773
2311	sub cf::object::player::may {	2774	sub cf::object::player::may {
2312	my ($self, $access) = @_;	2775	my ($self, $access) = @_;
2313		2776
2314	$self->flag (cf::FLAG_WIZ) ||	2777	$self->flag (cf::FLAG_WIZ) ||
2315	(ref $cf::CFG{"may_$access"}	2778	(ref $cf::CFG{"may_$access"}
2316	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2779	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2317	: $cf::CFG{"may_$access"})	2780	: $cf::CFG{"may_$access"})
2318	}	2781	}
2319		2782
2320	=item $player_object->enter_link	2783	=item $player_object->enter_link
2321		2784
2322	Freezes the player and moves him/her to a special map (C<{link}>).	2785	Freezes the player and moves him/her to a special map (C<{link}>).
2323		2786
2324	The player should be reasonably safe there for short amounts of time. You	2787	The player should be reasonably safe there for short amounts of time (e.g.
2325	I<MUST> call C<leave_link> as soon as possible, though.	2788	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2789	though, as the player cannot control the character while it is on the link
		2790	map.
2326		2791
2327	Will never block.	2792	Will never block.
2328		2793
2329	=item $player_object->leave_link ($map, $x, $y)	2794	=item $player_object->leave_link ($map, $x, $y)
2330		2795
…		…
2350	sub cf::object::player::enter_link {	2815	sub cf::object::player::enter_link {
2351	my ($self) = @_;	2816	my ($self) = @_;
2352		2817
2353	$self->deactivate_recursive;	2818	$self->deactivate_recursive;
2354		2819
		2820	++$self->{_link_recursion};
		2821
2355	return if UNIVERSAL::isa $self->map, "ext::map_link";	2822	return if UNIVERSAL::isa $self->map, "ext::map_link";
2356		2823
2357	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2824	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2358	if $self->map && $self->map->{path} ne "{link}";	2825	if $self->map && $self->map->{path} ne "{link}";
2359		2826
2360	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2827	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2361	}	2828	}
2362		2829
2363	sub cf::object::player::leave_link {	2830	sub cf::object::player::leave_link {
2364	my ($self, $map, $x, $y) = @_;	2831	my ($self, $map, $x, $y) = @_;
2365		2832
…		…
2382	($x, $y) = (-1, -1)	2849	($x, $y) = (-1, -1)
2383	unless (defined $x) && (defined $y);	2850	unless (defined $x) && (defined $y);
2384		2851
2385	# use -1 or undef as default coordinates, not 0, 0	2852	# use -1 or undef as default coordinates, not 0, 0
2386	($x, $y) = ($map->enter_x, $map->enter_y)	2853	($x, $y) = ($map->enter_x, $map->enter_y)
2387	if $x <=0 && $y <= 0;	2854	if $x <= 0 && $y <= 0;
2388		2855
2389	$map->load;	2856	$map->load;
2390	$map->load_neighbours;
2391		2857
2392	return unless $self->contr->active;	2858	return unless $self->contr->active;
2393	$self->activate_recursive;
2394		2859
2395	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2860	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2396	$self->enter_map ($map, $x, $y);	2861	if ($self->enter_map ($map, $x, $y)) {
2397	}	2862	# entering was successful
		2863	delete $self->{_link_recursion};
		2864	# only activate afterwards, to support waiting in hooks
		2865	$self->activate_recursive;
		2866	}
2398		2867
		2868	}
		2869
2399	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2870	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2400		2871
2401	Moves the player to the given map-path and coordinates by first freezing	2872	Moves the player to the given map-path and coordinates by first freezing
2402	her, loading and preparing them map, calling the provided $check callback	2873	her, loading and preparing them map, calling the provided $check callback
2403	that has to return the map if sucecssful, and then unfreezes the player on	2874	that has to return the map if sucecssful, and then unfreezes the player on
2404	the new (success) or old (failed) map position. In either case, $done will	2875	the new (success) or old (failed) map position. In either case, $done will
2405	be called at the end of this process.	2876	be called at the end of this process.
2406		2877
		2878	Note that $check will be called with a potentially non-loaded map, so if
		2879	it needs a loaded map it has to call C<< ->load >>.
		2880
2407	=cut	2881	=cut
2408		2882
2409	our $GOTOGEN;	2883	our $GOTOGEN;
2410		2884
2411	sub cf::object::player::goto {	2885	sub cf::object::player::goto {
2412	my ($self, $path, $x, $y, $check, $done) = @_;	2886	my ($self, $path, $x, $y, $check, $done) = @_;
2413		2887
		2888	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2889	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2890	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2891	($path, $x, $y) = @$EMERGENCY_POSITION;
		2892	}
		2893
2414	# do generation counting so two concurrent goto's will be executed in-order	2894	# do generation counting so two concurrent goto's will be executed in-order
2415	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2895	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2416		2896
2417	$self->enter_link;	2897	$self->enter_link;
2418		2898
2419	(async {	2899	(async {
		2900	$Coro::current->{desc} = "player::goto $path $x $y";
		2901
		2902	# *tag paths override both path and x|y
		2903	if ($path =~ /^\*(.*)$/) {
		2904	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2905	my $ob = $obs[rand @obs];
		2906
		2907	# see if we actually can go there
		2908	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2909	$ob = $obs[rand @obs];
		2910	} else {
		2911	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2912	}
		2913	# else put us there anyways for now #d#
		2914
		2915	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2916	} else {
		2917	($path, $x, $y) = (undef, undef, undef);
		2918	}
		2919	}
		2920
2420	my $map = eval {	2921	my $map = eval {
2421	my $map = cf::map::find $path;	2922	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2422		2923
2423	if ($map) {	2924	if ($map) {
2424	$map = $map->customise_for ($self);	2925	$map = $map->customise_for ($self);
2425	$map = $check->($map) if $check && $map;	2926	$map = $check->($map, $x, $y, $self) if $check && $map;
2426	} else {	2927	} else {
2427	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2928	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2428	}	2929	}
2429		2930
2430	$map	2931	$map
2431	};	2932	};
2432		2933
…		…
2438	if ($gen == $self->{_goto_generation}) {	2939	if ($gen == $self->{_goto_generation}) {
2439	delete $self->{_goto_generation};	2940	delete $self->{_goto_generation};
2440	$self->leave_link ($map, $x, $y);	2941	$self->leave_link ($map, $x, $y);
2441	}	2942	}
2442		2943
2443	$done->() if $done;	2944	$done->($self) if $done;
2444	})->prio (1);	2945	})->prio (1);
2445	}	2946	}
2446		2947
2447	=item $player_object->enter_exit ($exit_object)	2948	=item $player_object->enter_exit ($exit_object)
2448		2949
…		…
2468	}	2969	}
2469		2970
2470	sub prepare_random_map {	2971	sub prepare_random_map {
2471	my ($exit) = @_;	2972	my ($exit) = @_;
2472		2973
2473	my $guard = cf::lock_acquire "exit_prepare:$exit";
2474
2475	# all this does is basically replace the /! path by	2974	# all this does is basically replace the /! path by
2476	# a new random map path (?random/...) with a seed	2975	# a new random map path (?random/...) with a seed
2477	# that depends on the exit object	2976	# that depends on the exit object
2478		2977
2479	my $rmp = parse_random_map_params $exit->msg;	2978	my $rmp = parse_random_map_params $exit->msg;
…		…
2481	if ($exit->map) {	2980	if ($exit->map) {
2482	$rmp->{region} = $exit->region->name;	2981	$rmp->{region} = $exit->region->name;
2483	$rmp->{origin_map} = $exit->map->path;	2982	$rmp->{origin_map} = $exit->map->path;
2484	$rmp->{origin_x} = $exit->x;	2983	$rmp->{origin_x} = $exit->x;
2485	$rmp->{origin_y} = $exit->y;	2984	$rmp->{origin_y} = $exit->y;
		2985
		2986	$exit->map->touch;
2486	}	2987	}
2487		2988
2488	$rmp->{random_seed} ||= $exit->random_seed;	2989	$rmp->{random_seed} ||= $exit->random_seed;
2489		2990
2490	my $data = cf::to_json $rmp;	2991	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2491	my $md5 = Digest::MD5::md5_hex $data;	2992	my $md5 = Digest::MD5::md5_hex $data;
2492	my $meta = "$RANDOMDIR/$md5.meta";	2993	my $meta = "$RANDOMDIR/$md5.meta";
2493		2994
2494	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2995	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2495	aio_write $fh, 0, (length $data), $data, 0;	2996	aio_write $fh, 0, (length $data), $data, 0;
2496	undef $fh;	2997	undef $fh;
2497	aio_rename "$meta~", $meta;	2998	aio_rename "$meta~", $meta;
2498		2999
		3000	my $slaying = "?random/$md5";
		3001
		3002	if ($exit->valid) {
2499	$exit->slaying ("?random/$md5");	3003	$exit->slaying ("?random/$md5");
2500	$exit->msg (undef);	3004	$exit->msg (undef);
		3005	}
2501	}	3006	}
2502	}	3007	}
2503		3008
2504	sub cf::object::player::enter_exit {	3009	sub cf::object::player::enter_exit {
2505	my ($self, $exit) = @_;	3010	my ($self, $exit) = @_;
2506		3011
2507	return unless $self->type == cf::PLAYER;	3012	return unless $self->type == cf::PLAYER;
2508		3013
2509	if ($exit->slaying eq "/!") {
2510	#TODO: this should de-fi-ni-te-ly not be a sync-job
2511	# the problem is that $exit might not survive long enough
2512	# so it needs to be done right now, right here
2513	cf::sync_job { prepare_random_map $exit };
2514	}
2515
2516	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2517	my $hp = $exit->stats->hp;
2518	my $sp = $exit->stats->sp;
2519
2520	$self->enter_link;	3014	$self->enter_link;
2521		3015
2522	# if exit is damned, update players death & WoR home-position
2523	$self->contr->savebed ($slaying, $hp, $sp)
2524	if $exit->flag (FLAG_DAMNED);
2525
2526	(async {	3016	(async {
2527	$self->deactivate_recursive; # just to be sure	3017	$Coro::current->{desc} = "enter_exit";
		3018
2528	unless (eval {	3019	unless (eval {
		3020	$self->deactivate_recursive; # just to be sure
		3021
		3022	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3023	my $x = $exit->stats->hp;
		3024	my $y = $exit->stats->sp;
		3025
		3026	# special map handling
		3027	my $slaying = $exit->slaying;
		3028
		3029	# special map handling
		3030	if ($slaying eq "/!") {
		3031	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3032
		3033	prepare_random_map $exit
		3034	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3035
		3036	$map = $exit->slaying;
		3037
		3038	} elsif ($slaying eq '!up') {
		3039	$map = $exit->map->tile_path (cf::TILE_UP);
		3040	$x = $exit->x;
		3041	$y = $exit->y;
		3042
		3043	} elsif ($slaying eq '!down') {
		3044	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3045	$x = $exit->x;
		3046	$y = $exit->y;
		3047	}
		3048
2529	$self->goto ($slaying, $hp, $sp);	3049	$self->goto ($map, $x, $y);
2530		3050
		3051	# if exit is damned, update players death & WoR home-position
		3052	$self->contr->savebed ($map, $x, $y)
		3053	if $exit->flag (cf::FLAG_DAMNED);
		3054
2531	1;	3055	1
2532	}) {	3056	}) {
2533	$self->message ("Something went wrong deep within the crossfire server. "	3057	$self->message ("Something went wrong deep within the deliantra server. "
2534	. "I'll try to bring you back to the map you were before. "	3058	. "I'll try to bring you back to the map you were before. "
2535	. "Please report this to the dungeon master!",	3059	. "Please report this to the dungeon master!",
2536	cf::NDI_UNIQUE | cf::NDI_RED);	3060	cf::NDI_UNIQUE | cf::NDI_RED);
2537		3061
2538	warn "ERROR in enter_exit: $@";	3062	error "ERROR in enter_exit: $@";
2539	$self->leave_link;	3063	$self->leave_link;
2540	}	3064	}
2541	})->prio (1);	3065	})->prio (1);
2542	}	3066	}
2543		3067
2544	=head3 cf::client	3068	=head3 cf::client
2545		3069
2546	=over 4	3070	=over 4
2547		3071
2548	=item $client->send_drawinfo ($text, $flags)	3072	=item $client->send_big_packet ($pkt)
2549		3073
2550	Sends a drawinfo packet to the client. Circumvents output buffering so	3074	Like C<send_packet>, but tries to compress large packets, and fragments
2551	should not be used under normal circumstances.	3075	them as required.
2552		3076
2553	=cut	3077	=cut
2554		3078
		3079	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3080
2555	sub cf::client::send_drawinfo {	3081	sub cf::client::send_big_packet {
2556	my ($self, $text, $flags) = @_;	3082	my ($self, $pkt) = @_;
2557		3083
2558	utf8::encode $text;	3084	# try lzf for large packets
2559	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3085	$pkt = "lzf " . Compress::LZF::compress $pkt
		3086	if 1024 <= length $pkt and $self->{can_lzf};
		3087
		3088	# split very large packets
		3089	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3090	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3091	$pkt = "frag";
		3092	}
		3093
		3094	$self->send_packet ($pkt);
2560	}	3095	}
2561		3096
2562	=item $client->send_msg ($channel, $msg, $color, [extra...])	3097	=item $client->send_msg ($channel, $msg, $color, [extra...])
2563		3098
2564	Send a drawinfo or msg packet to the client, formatting the msg for the	3099	Send a msg packet to the client, formatting the msg for the client if
2565	client if neccessary. C<$type> should be a string identifying the type of	3100	necessary. C<$type> should be a string identifying the type of the
2566	the message, with C<log> being the default. If C<$color> is negative, suppress	3101	message, with C<log> being the default. If C<$color> is negative, suppress
2567	the message unless the client supports the msg packet.	3102	the message unless the client supports the msg packet.
2568		3103
2569	=cut	3104	=cut
2570		3105
		3106	# non-persistent channels (usually the info channel)
2571	our %CHANNEL = (	3107	our %CHANNEL = (
		3108	"c/motd" => {
		3109	id => "infobox",
		3110	title => "MOTD",
		3111	reply => undef,
		3112	tooltip => "The message of the day",
		3113	},
2572	"c/identify" => {	3114	"c/identify" => {
2573	id => "identify",	3115	id => "infobox",
2574	title => "Identify",	3116	title => "Identify",
2575	reply => undef,	3117	reply => undef,
2576	tooltip => "Items recently identified",	3118	tooltip => "Items recently identified",
2577	},	3119	},
2578	"c/examine" => {	3120	"c/examine" => {
2579	id => "examine",	3121	id => "infobox",
2580	title => "Examine",	3122	title => "Examine",
2581	reply => undef,	3123	reply => undef,
2582	tooltip => "Signs and other items you examined",	3124	tooltip => "Signs and other items you examined",
2583	},	3125	},
		3126	"c/shopinfo" => {
		3127	id => "infobox",
		3128	title => "Shop Info",
		3129	reply => undef,
		3130	tooltip => "What your bargaining skill tells you about the shop",
		3131	},
		3132	"c/book" => {
		3133	id => "infobox",
		3134	title => "Book",
		3135	reply => undef,
		3136	tooltip => "The contents of a note or book",
		3137	},
		3138	"c/lookat" => {
		3139	id => "infobox",
		3140	title => "Look",
		3141	reply => undef,
		3142	tooltip => "What you saw there",
		3143	},
		3144	"c/who" => {
		3145	id => "infobox",
		3146	title => "Players",
		3147	reply => undef,
		3148	tooltip => "Shows players who are currently online",
		3149	},
		3150	"c/body" => {
		3151	id => "infobox",
		3152	title => "Body Parts",
		3153	reply => undef,
		3154	tooltip => "Shows which body parts you posess and are available",
		3155	},
		3156	"c/statistics" => {
		3157	id => "infobox",
		3158	title => "Statistics",
		3159	reply => undef,
		3160	tooltip => "Shows your primary statistics",
		3161	},
		3162	"c/skills" => {
		3163	id => "infobox",
		3164	title => "Skills",
		3165	reply => undef,
		3166	tooltip => "Shows your experience per skill and item power",
		3167	},
		3168	"c/shopitems" => {
		3169	id => "infobox",
		3170	title => "Shop Items",
		3171	reply => undef,
		3172	tooltip => "Shows the items currently for sale in this shop",
		3173	},
		3174	"c/resistances" => {
		3175	id => "infobox",
		3176	title => "Resistances",
		3177	reply => undef,
		3178	tooltip => "Shows your resistances",
		3179	},
		3180	"c/pets" => {
		3181	id => "infobox",
		3182	title => "Pets",
		3183	reply => undef,
		3184	tooltip => "Shows information abotu your pets/a specific pet",
		3185	},
		3186	"c/perceiveself" => {
		3187	id => "infobox",
		3188	title => "Perceive Self",
		3189	reply => undef,
		3190	tooltip => "You gained detailed knowledge about yourself",
		3191	},
		3192	"c/uptime" => {
		3193	id => "infobox",
		3194	title => "Uptime",
		3195	reply => undef,
		3196	tooltip => "How long the server has been running since last restart",
		3197	},
		3198	"c/mapinfo" => {
		3199	id => "infobox",
		3200	title => "Map Info",
		3201	reply => undef,
		3202	tooltip => "Information related to the maps",
		3203	},
		3204	"c/party" => {
		3205	id => "party",
		3206	title => "Party",
		3207	reply => "gsay ",
		3208	tooltip => "Messages and chat related to your party",
		3209	},
		3210	"c/death" => {
		3211	id => "death",
		3212	title => "Death",
		3213	reply => undef,
		3214	tooltip => "Reason for and more info about your most recent death",
		3215	},
		3216	"c/fatal" => {
		3217	id => "fatal",
		3218	title => "Fatal Error",
		3219	reply => undef,
		3220	tooltip => "Reason for the server disconnect",
		3221	},
		3222	"c/say" => $SAY_CHANNEL,
		3223	"c/chat" => $CHAT_CHANNEL,
2584	);	3224	);
2585		3225
2586	sub cf::client::send_msg {	3226	sub cf::client::send_msg {
2587	my ($self, $channel, $msg, $color, @extra) = @_;	3227	my ($self, $channel, $msg, $color, @extra) = @_;
2588		3228
2589	$msg = $self->pl->expand_cfpod ($msg);	3229	$msg = $self->pl->expand_cfpod ($msg)
		3230	unless $color & cf::NDI_VERBATIM;
2590		3231
2591	$color &= cf::NDI_CLIENT_MASK; # just in case...	3232	$color &= cf::NDI_CLIENT_MASK; # just in case...
2592		3233
2593	# check predefined channels, for the benefit of C	3234	# check predefined channels, for the benefit of C
2594	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3235	if ($CHANNEL{$channel}) {
		3236	$channel = $CHANNEL{$channel};
2595		3237
		3238	$self->ext_msg (channel_info => $channel);
		3239	$channel = $channel->{id};
		3240
2596	if (ref $channel) {	3241	} elsif (ref $channel) {
2597	# send meta info to client, if not yet sent	3242	# send meta info to client, if not yet sent
2598	unless (exists $self->{channel}{$channel->{id}}) {	3243	unless (exists $self->{channel}{$channel->{id}}) {
2599	$self->{channel}{$channel->{id}} = $channel;	3244	$self->{channel}{$channel->{id}} = $channel;
2600	$self->ext_msg (channel_info => $channel)	3245	$self->ext_msg (channel_info => $channel);
2601	if $self->can_msg;
2602	}	3246	}
2603		3247
2604	$channel = $channel->{id};	3248	$channel = $channel->{id};
2605	}	3249	}
2606		3250
2607	return unless @extra || length $msg;	3251	return unless @extra || length $msg;
2608		3252
2609	if ($self->can_msg) {
2610	# default colour, mask it out	3253	# default colour, mask it out
2611	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3254	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2612	if $color & cf::NDI_DEF;	3255	if $color & cf::NDI_DEF;
2613		3256
2614	$self->send_packet ("msg " . $self->{json_coder}->encode (	3257	my $pkt = "msg "
		3258	. $self->{json_coder}->encode (
2615	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3259	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2616	} else {	3260	);
2617	if ($color >= 0) {
2618	# replace some tags by gcfclient-compatible ones
2619	for ($msg) {
2620	1 while
2621	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2622	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2623	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2624	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2625	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2626	}
2627		3261
2628	$color &= cf::NDI_COLOR_MASK;	3262	$self->send_big_packet ($pkt);
2629
2630	utf8::encode $msg;
2631
2632	if (0 && $msg =~ /\[/) {
2633	# COMMAND/INFO
2634	$self->send_packet ("drawextinfo $color 10 8 $msg")
2635	} else {
2636	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2637	$self->send_packet ("drawinfo $color $msg")
2638	}
2639	}
2640	}
2641	}	3263	}
2642		3264
2643	=item $client->ext_msg ($type, @msg)	3265	=item $client->ext_msg ($type, @msg)
2644		3266
2645	Sends an ext event to the client.	3267	Sends an ext event to the client.
…		…
2647	=cut	3269	=cut
2648		3270
2649	sub cf::client::ext_msg($$@) {	3271	sub cf::client::ext_msg($$@) {
2650	my ($self, $type, @msg) = @_;	3272	my ($self, $type, @msg) = @_;
2651		3273
2652	if ($self->extcmd == 2) {
2653	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3274	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2654	} elsif ($self->extcmd == 1) { # TODO: remove
2655	push @msg, msgtype => "event_$type";
2656	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2657	}
2658	}
2659
2660	=item $client->ext_reply ($msgid, @msg)
2661
2662	Sends an ext reply to the client.
2663
2664	=cut
2665
2666	sub cf::client::ext_reply($$@) {
2667	my ($self, $id, @msg) = @_;
2668
2669	if ($self->extcmd == 2) {
2670	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2671	} elsif ($self->extcmd == 1) {
2672	#TODO: version 1, remove
2673	unshift @msg, msgtype => "reply", msgid => $id;
2674	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2675	}
2676	}	3275	}
2677		3276
2678	=item $success = $client->query ($flags, "text", \&cb)	3277	=item $success = $client->query ($flags, "text", \&cb)
2679		3278
2680	Queues a query to the client, calling the given callback with	3279	Queues a query to the client, calling the given callback with
…		…
2700		3299
2701	$self->send_packet ($self->{query_queue}[0][0])	3300	$self->send_packet ($self->{query_queue}[0][0])
2702	if @{ $self->{query_queue} } == 1;	3301	if @{ $self->{query_queue} } == 1;
2703		3302
2704	1	3303	1
		3304	}
		3305
		3306	=item $client->update_command_faces
		3307
		3308	=cut
		3309
		3310	our %COMMAND_FACE;
		3311
		3312	sub cf::client::update_command_faces {
		3313	my ($self) = @_;
		3314
		3315	my @faces = grep $_,
		3316	$COMMAND_FACE{preferred},
		3317	$COMMAND_FACE{standard},
		3318	$COMMAND_FACE{skill},
		3319	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3320	$COMMAND_FACE{emote},
		3321	;
		3322
		3323	$self->send_face ($_)
		3324	for @faces;
		3325	$self->flush_fx;
		3326
		3327	$self->ext_msg (command_list => @faces);
		3328	}
		3329
		3330	=item cf::client::set_command_face $type, $commands
		3331
		3332	=cut
		3333
		3334	sub cf::client::set_command_face {
		3335	my ($type, $list) = @_;
		3336
		3337	my $idx = &cf::face::set ( #d# ugly forward reference
		3338	"command_list/$type" => cf::FT_RSRC,
		3339	JSON::XS->new->utf8->encode ([ sort @$list ])
		3340	);
		3341
		3342	$COMMAND_FACE{$type} = $idx;
2705	}	3343	}
2706		3344
2707	cf::client->attach (	3345	cf::client->attach (
2708	on_connect => sub {	3346	on_connect => sub {
2709	my ($ns) = @_;	3347	my ($ns) = @_;
…		…
2735	my ($ns, $buf) = @_;	3373	my ($ns, $buf) = @_;
2736		3374
2737	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3375	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2738		3376
2739	if (ref $msg) {	3377	if (ref $msg) {
2740	my ($type, $reply, @payload) =	3378	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2741	"ARRAY" eq ref $msg
2742	? @$msg
2743	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2744		3379
2745	my @reply;
2746
2747	if (my $cb = $EXTICMD{$type}) {	3380	if (my $cb = $EXTIACMD{$type}) {
		3381	$cb->(
		3382	$ns,
		3383	sub {
		3384	$ns->ext_msg ("reply-$reply", @_)
		3385	if $reply;
		3386	},
		3387	@payload
		3388	);
		3389	} else {
		3390	my @reply;
		3391
		3392	if (my $cb = $EXTICMD{$type}) {
2748	@reply = $cb->($ns, @payload);	3393	@reply = $cb->($ns, @payload);
		3394	}
		3395
		3396	$ns->ext_msg ("reply-$reply", @reply)
		3397	if $reply;
2749	}	3398	}
2750
2751	$ns->ext_reply ($reply, @reply)
2752	if $reply;
2753
2754	} else {	3399	} else {
2755	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3400	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2756	}	3401	}
2757		3402
2758	cf::override;	3403	cf::override;
2759	},	3404	},
2760	);	3405	);
…		…
2780		3425
2781	$coro	3426	$coro
2782	}	3427	}
2783		3428
2784	cf::client->attach (	3429	cf::client->attach (
2785	on_destroy => sub {	3430	on_client_destroy => sub {
2786	my ($ns) = @_;	3431	my ($ns) = @_;
2787		3432
2788	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3433	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2789	},	3434	},
2790	);	3435	);
…		…
2806	our $safe_hole = new Safe::Hole;	3451	our $safe_hole = new Safe::Hole;
2807		3452
2808	$SIG{FPE} = 'IGNORE';	3453	$SIG{FPE} = 'IGNORE';
2809		3454
2810	$safe->permit_only (Opcode::opset qw(	3455	$safe->permit_only (Opcode::opset qw(
2811	:base_core :base_mem :base_orig :base_math	3456	:base_core :base_mem :base_orig :base_math :base_loop
2812	grepstart grepwhile mapstart mapwhile	3457	grepstart grepwhile mapstart mapwhile
2813	sort time	3458	sort time
2814	));	3459	));
2815		3460
2816	# here we export the classes and methods available to script code	3461	# here we export the classes and methods available to script code
…		…
2818	=pod	3463	=pod
2819		3464
2820	The following functions and methods are available within a safe environment:	3465	The following functions and methods are available within a safe environment:
2821		3466
2822	cf::object	3467	cf::object
2823	contr pay_amount pay_player map x y force_find force_add	3468	contr pay_amount pay_player map x y force_find force_add destroy
2824	insert remove name archname title slaying race decrease_ob_nr	3469	insert remove name archname title slaying race decrease split
		3470	value
2825		3471
2826	cf::object::player	3472	cf::object::player
2827	player	3473	player
2828		3474
2829	cf::player	3475	cf::player
…		…
2834		3480
2835	=cut	3481	=cut
2836		3482
2837	for (	3483	for (
2838	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3484	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2839	insert remove inv name archname title slaying race	3485	insert remove inv nrof name archname title slaying race
2840	decrease_ob_nr)],	3486	decrease split destroy change_exp value msg lore send_msg)],
2841	["cf::object::player" => qw(player)],	3487	["cf::object::player" => qw(player)],
2842	["cf::player" => qw(peaceful)],	3488	["cf::player" => qw(peaceful send_msg)],
2843	["cf::map" => qw(trigger)],	3489	["cf::map" => qw(trigger)],
2844	) {	3490	) {
2845	no strict 'refs';
2846	my ($pkg, @funs) = @$_;	3491	my ($pkg, @funs) = @$_;
2847	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3492	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2848	for @funs;	3493	for @funs;
2849	}	3494	}
2850		3495
…		…
2865		3510
2866	my $qcode = $code;	3511	my $qcode = $code;
2867	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3512	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2868	$qcode =~ s/\n/\\n/g;	3513	$qcode =~ s/\n/\\n/g;
2869		3514
		3515	%vars = (_dummy => 0) unless %vars;
		3516
		3517	my @res;
2870	local $_;	3518	local $_;
2871	local @safe::cf::_safe_eval_args = values %vars;
2872		3519
2873	my $eval =	3520	my $eval =
2874	"do {\n"	3521	"do {\n"
2875	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3522	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2876	. "#line 0 \"{$qcode}\"\n"	3523	. "#line 0 \"{$qcode}\"\n"
2877	. $code	3524	. $code
2878	. "\n}"	3525	. "\n}"
2879	;	3526	;
2880		3527
		3528	if ($CFG{safe_eval}) {
2881	sub_generation_inc;	3529	sub_generation_inc;
		3530	local @safe::cf::_safe_eval_args = values %vars;
2882	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3531	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2883	sub_generation_inc;	3532	sub_generation_inc;
		3533	} else {
		3534	local @cf::_safe_eval_args = values %vars;
		3535	@res = wantarray ? eval eval : scalar eval $eval;
		3536	}
2884		3537
2885	if ($@) {	3538	if ($@) {
2886	warn "$@";	3539	warn "$@",
2887	warn "while executing safe code '$code'\n";	3540	"while executing safe code '$code'\n",
2888	warn "with arguments " . (join " ", %vars) . "\n";	3541	"with arguments " . (join " ", %vars) . "\n";
2889	}	3542	}
2890		3543
2891	wantarray ? @res : $res[0]	3544	wantarray ? @res : $res[0]
2892	}	3545	}
2893		3546
…		…
2907	=cut	3560	=cut
2908		3561
2909	sub register_script_function {	3562	sub register_script_function {
2910	my ($fun, $cb) = @_;	3563	my ($fun, $cb) = @_;
2911		3564
2912	no strict 'refs';	3565	$fun = "safe::$fun" if $CFG{safe_eval};
2913	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3566	*$fun = $safe_hole->wrap ($cb);
2914	}	3567	}
2915		3568
2916	=back	3569	=back
2917		3570
2918	=cut	3571	=cut
2919		3572
2920	#############################################################################	3573	#############################################################################
2921	# the server's init and main functions	3574	# the server's init and main functions
2922		3575
		3576	{
		3577	package cf::face;
		3578
		3579	our %HASH; # hash => idx
		3580	our @DATA; # dynamically-created facedata, only faceste 0 used
		3581	our @FOFS; # file offset, if > 0
		3582	our @SIZE; # size of face, in octets
		3583	our @META; # meta hash of face, if any
		3584	our $DATAFH; # facedata filehandle
		3585
		3586	# internal api, not finalised
		3587	sub set {
		3588	my ($name, $type, $data) = @_;
		3589
		3590	my $idx = cf::face::find $name;
		3591
		3592	if ($idx) {
		3593	delete $HASH{cf::face::get_csum $idx};
		3594	} else {
		3595	$idx = cf::face::alloc $name;
		3596	}
		3597
		3598	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3599
		3600	cf::face::set_type $idx, $type;
		3601	cf::face::set_csum $idx, 0, $hash;
		3602
		3603	# we need to destroy the SV itself, not just modify it, as a running ix
		3604	# might hold a reference to it: "delete" achieves that.
		3605	delete $FOFS[0][$idx];
		3606	delete $DATA[0][$idx];
		3607	$DATA[0][$idx] = $data;
		3608	$SIZE[0][$idx] = length $data;
		3609	delete $META[$idx];
		3610	$HASH{$hash} = $idx;#d#
		3611
		3612	$idx
		3613	}
		3614
		3615	sub _get_data($$$) {
		3616	my ($idx, $set, $cb) = @_;
		3617
		3618	if (defined $DATA[$set][$idx]) {
		3619	$cb->($DATA[$set][$idx]);
		3620	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3621	my $size = $SIZE[$set][$idx];
		3622	my $buf;
		3623	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3624	if ($_[0] == $size) {
		3625	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3626	$cb->($buf);
		3627	} else {
		3628	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3629	}
		3630	};
		3631	} else {
		3632	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3633	}
		3634	}
		3635
		3636	# rather ineffient
		3637	sub cf::face::get_data($;$) {
		3638	my ($idx, $set) = @_;
		3639
		3640	_get_data $idx, $set, Coro::rouse_cb;
		3641	Coro::rouse_wait
		3642	}
		3643
		3644	sub cf::face::ix {
		3645	my ($ns, $set, $idx, $pri) = @_;
		3646
		3647	_get_data $idx, $set, sub {
		3648	$ns->ix_send ($idx, $pri, $_[0]);
		3649	};
		3650	}
		3651	}
		3652
2923	sub load_facedata($) {	3653	sub load_facedata($) {
2924	my ($path) = @_;	3654	my ($path) = @_;
2925		3655
2926	# HACK to clear player env face cache, we need some signal framework
2927	# for this (global event?)
2928	%ext::player_env::MUSIC_FACE_CACHE = ();
2929
2930	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3656	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2931		3657
2932	warn "loading facedata from $path\n";	3658	trace "loading facedata from $path\n";
2933		3659
2934	my $facedata;	3660	my $facedata = decode_storable load_file "$path/faceinfo";
2935	0 < aio_load $path, $facedata
2936	or die "$path: $!";
2937
2938	$facedata = Coro::Storable::thaw $facedata;
2939		3661
2940	$facedata->{version} == 2	3662	$facedata->{version} == 2
2941	or cf::cleanup "$path: version mismatch, cannot proceed.";	3663	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
2942		3664
2943	# patch in the exptable	3665	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
2944	$facedata->{resource}{"res/exp_table"} = {	3666	or cf::cleanup "$path/facedata: $!, cannot proceed.";
2945	type => FT_RSRC,	3667
2946	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3668	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
2947	};	3669
2948	cf::cede_to_tick;	3670	# BEGIN ATOMIC
		3671	# from here on, everything must be atomic - no thread switch allowed
		3672	my $t1 = EV::time;
2949		3673
2950	{	3674	{
2951	my $faces = $facedata->{faceinfo};	3675	my $faces = $facedata->{faceinfo};
2952		3676
2953	while (my ($face, $info) = each %$faces) {	3677	for my $face (sort keys %$faces) {
		3678	my $info = $faces->{$face};
2954	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3679	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3680
2955	cf::face::set_visibility $idx, $info->{visibility};	3681	cf::face::set_visibility $idx, $info->{visibility};
2956	cf::face::set_magicmap $idx, $info->{magicmap};	3682	cf::face::set_magicmap $idx, $info->{magicmap};
2957	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3683	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2958	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3684	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
2959		3685	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
2960	cf::cede_to_tick;	3686	$cf::face::HASH{$info->{hash64}} = $idx;
		3687	delete $cf::face::META[$idx];
2961	}	3688	}
2962		3689
2963	while (my ($face, $info) = each %$faces) {	3690	while (my ($face, $info) = each %$faces) {
2964	next unless $info->{smooth};	3691	next unless $info->{smooth};
		3692
2965	my $idx = cf::face::find $face	3693	my $idx = cf::face::find $face
2966	or next;	3694	or next;
		3695
2967	if (my $smooth = cf::face::find $info->{smooth}) {	3696	if (my $smooth = cf::face::find $info->{smooth}) {
2968	cf::face::set_smooth $idx, $smooth;	3697	cf::face::set_smooth $idx, $smooth;
2969	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3698	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2970	} else {	3699	} else {
2971	warn "smooth face '$info->{smooth}' not found for face '$face'";	3700	error "smooth face '$info->{smooth}' not found for face '$face'";
2972	}	3701	}
2973
2974	cf::cede_to_tick;
2975	}	3702	}
2976	}	3703	}
2977		3704
2978	{	3705	{
2979	my $anims = $facedata->{animinfo};	3706	my $anims = $facedata->{animinfo};
2980		3707
2981	while (my ($anim, $info) = each %$anims) {	3708	while (my ($anim, $info) = each %$anims) {
2982	cf::anim::set $anim, $info->{frames}, $info->{facings};	3709	cf::anim::set $anim, $info->{frames}, $info->{facings};
2983	cf::cede_to_tick;
2984	}	3710	}
2985		3711
2986	cf::anim::invalidate_all; # d'oh	3712	cf::anim::invalidate_all; # d'oh
2987	}	3713	}
2988		3714
2989	{	3715	{
2990	# TODO: for gcfclient pleasure, we should give resources
2991	# that gcfclient doesn't grok a >10000 face index.
2992	my $res = $facedata->{resource};	3716	my $res = $facedata->{resource};
2993		3717
2994	my $soundconf = delete $res->{"res/sound.conf"};
2995
2996	while (my ($name, $info) = each %$res) {	3718	while (my ($name, $info) = each %$res) {
		3719	if (defined (my $type = $info->{type})) {
		3720	# TODO: different hash - must free and use new index, or cache ixface data queue
2997	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3721	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2998	my $data;
2999		3722
3000	if ($info->{type} & 1) {	3723	cf::face::set_type $idx, $type;
3001	# prepend meta info	3724	cf::face::set_csum $idx, 0, $info->{hash};
3002		3725	$cf::face::SIZE[0][$idx] = $info->{size};
3003	my $meta = $enc->encode ({	3726	$cf::face::FOFS[0][$idx] = $info->{fofs};
3004	name => $name,	3727	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3005	%{ $info->{meta} || {} },	3728	$cf::face::HASH{$info->{hash}} = $idx;
3006	});
3007
3008	$data = pack "(w/a*)*", $meta, $info->{data};
3009	} else {	3729	} else {
3010	$data = $info->{data};	3730	# $RESOURCE{$name} = $info; # unused
3011	}	3731	}
3012
3013	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3014	cf::face::set_type $idx, $info->{type};
3015
3016	cf::cede_to_tick;
3017	}
3018
3019	if ($soundconf) {
3020	$soundconf = $enc->decode (delete $soundconf->{data});
3021
3022	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3023	my $sound = $soundconf->{compat}[$_]
3024	or next;
3025
3026	my $face = cf::face::find "sound/$sound->[1]";
3027	cf::sound::set $sound->[0] => $face;
3028	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3029	}	3732	}
3030
3031	while (my ($k, $v) = each %{$soundconf->{event}}) {
3032	my $face = cf::face::find "sound/$v";
3033	cf::sound::set $k => $face;
3034	}
3035	}
3036	}	3733	}
		3734
		3735	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3736
		3737	# HACK to clear player env face cache, we need some signal framework
		3738	# for this (global event?)
		3739	%ext::player_env::MUSIC_FACE_CACHE = ();
		3740
		3741	# END ATOMIC
		3742
		3743	cf::debug "facedata atomic update time ", EV::time - $t1;
		3744
		3745	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3746
		3747	aio_close $fh if $fh; # close old facedata
3037		3748
3038	1	3749	1
3039	}	3750	}
3040		3751
3041	register_exticmd fx_want => sub {	3752	register_exticmd fx_want => sub {
…		…
3043		3754
3044	while (my ($k, $v) = each %$want) {	3755	while (my ($k, $v) = each %$want) {
3045	$ns->fx_want ($k, $v);	3756	$ns->fx_want ($k, $v);
3046	}	3757	}
3047	};	3758	};
		3759
		3760	sub load_resource_file($) {
		3761	my $guard = lock_acquire "load_resource_file";
		3762
		3763	my $status = load_resource_file_ $_[0];
		3764	get_slot 0.1, 100;
		3765	cf::arch::commit_load;
		3766
		3767	$status
		3768	}
		3769
		3770	sub reload_exp_table {
		3771	_reload_exp_table;
		3772
		3773	cf::face::set
		3774	"res/exp_table" => FT_RSRC,
		3775	JSON::XS->new->utf8->canonical->encode (
		3776	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3777	);
		3778	}
		3779
		3780	sub reload_materials {
		3781	_reload_materials;
		3782	}
3048		3783
3049	sub reload_regions {	3784	sub reload_regions {
3050	# HACK to clear player env face cache, we need some signal framework	3785	# HACK to clear player env face cache, we need some signal framework
3051	# for this (global event?)	3786	# for this (global event?)
3052	%ext::player_env::MUSIC_FACE_CACHE = ();	3787	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3059	if exists $_->{match};	3794	if exists $_->{match};
3060	}	3795	}
3061	}	3796	}
3062		3797
3063	sub reload_facedata {	3798	sub reload_facedata {
3064	load_facedata "$DATADIR/facedata"	3799	load_facedata $DATADIR
3065	or die "unable to load facedata\n";	3800	or die "unable to load facedata\n";
3066	}	3801	}
3067		3802
3068	sub reload_archetypes {	3803	sub reload_archetypes {
3069	load_resource_file "$DATADIR/archetypes"	3804	load_resource_file "$DATADIR/archetypes"
3070	or die "unable to load archetypes\n";	3805	or die "unable to load archetypes\n";
3071	#d# NEED to laod twice to resolve forward references	3806
3072	# this really needs to be done in an extra post-pass	3807	cf::face::set
3073	# (which needs to be synchronous, so solve it differently)	3808	"res/skill_info" => FT_RSRC,
3074	load_resource_file "$DATADIR/archetypes"	3809	JSON::XS->new->utf8->canonical->encode (
3075	or die "unable to load archetypes\n";	3810	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3811	);
		3812
		3813	cf::face::set
		3814	"res/spell_paths" => FT_RSRC,
		3815	JSON::XS->new->utf8->canonical->encode (
		3816	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3817	);
		3818
		3819	# command completion
		3820	my @commands;
		3821
		3822	for (0..cf::arch::skillvec_size - 1) {
		3823	my $skill = cf::arch::skillvec $_;
		3824	my $name = $skill->name;
		3825	my $flags = cf::skill_flags $skill->subtype;
		3826
		3827	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3828	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3829	}
		3830
		3831	cf::client::set_command_face skill => \@commands;
3076	}	3832	}
3077		3833
3078	sub reload_treasures {	3834	sub reload_treasures {
3079	load_resource_file "$DATADIR/treasures"	3835	load_resource_file "$DATADIR/treasures"
3080	or die "unable to load treasurelists\n";	3836	or die "unable to load treasurelists\n";
3081	}	3837	}
3082		3838
		3839	sub reload_sound {
		3840	trace "loading sound config from $DATADIR/sound\n";
		3841
		3842	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3843
		3844	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3845	my $sound = $soundconf->{compat}[$_]
		3846	or next;
		3847
		3848	my $face = cf::face::find "sound/$sound->[1]";
		3849	cf::sound::set $sound->[0] => $face;
		3850	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3851	}
		3852
		3853	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3854	my $face = cf::face::find "sound/$v";
		3855	cf::sound::set $k => $face;
		3856	}
		3857	}
		3858
3083	sub reload_resources {	3859	sub reload_resources {
3084	warn "reloading resource files...\n";	3860	trace "reloading resource files...\n";
3085		3861
		3862	reload_materials;
		3863	reload_facedata;
		3864	reload_exp_table;
		3865	reload_sound;
		3866	reload_archetypes;
3086	reload_regions;	3867	reload_regions;
3087	reload_facedata;
3088	#reload_archetypes;#d#
3089	reload_archetypes;
3090	reload_treasures;	3868	reload_treasures;
3091		3869
3092	warn "finished reloading resource files\n";	3870	trace "finished reloading resource files\n";
3093	}
3094
3095	sub init {
3096	reload_resources;
3097	}	3871	}
3098		3872
3099	sub reload_config {	3873	sub reload_config {
3100	open my $fh, "<:utf8", "$CONFDIR/config"	3874	trace "reloading config file...\n";
3101	or return;
3102		3875
3103	local $/;	3876	my $config = load_file "$CONFDIR/config";
3104	*CFG = YAML::Syck::Load <$fh>;	3877	utf8::decode $config;
		3878	*CFG = decode_yaml $config;
3105		3879
3106	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3880	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3107		3881
3108	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3882	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3109	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3883	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3110		3884
3111	if (exists $CFG{mlockall}) {	3885	if (exists $CFG{mlockall}) {
…		…
3115	};	3889	};
3116	warn $@ if $@;	3890	warn $@ if $@;
3117	}	3891	}
3118	}	3892	}
3119		3893
		3894	sub pidfile() {
		3895	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3896	or die "$PIDFILE: $!";
		3897	flock $fh, &Fcntl::LOCK_EX
		3898	or die "$PIDFILE: flock: $!";
		3899	$fh
		3900	}
		3901
		3902	# make sure only one server instance is running at any one time
		3903	sub atomic {
		3904	my $fh = pidfile;
		3905
		3906	my $pid = <$fh>;
		3907	kill 9, $pid if $pid > 0;
		3908
		3909	seek $fh, 0, 0;
		3910	print $fh $$;
		3911	}
		3912
		3913	sub main_loop {
		3914	trace "EV::loop starting\n";
		3915	if (1) {
		3916	EV::loop;
		3917	}
		3918	trace "EV::loop returned\n";
		3919	goto &main_loop unless $REALLY_UNLOOP;
		3920	}
		3921
3120	sub main {	3922	sub main {
		3923	cf::init_globals; # initialise logging
		3924
		3925	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3926	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3927	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3928	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3929
		3930	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3931
3121	# we must not ever block the main coroutine	3932	# we must not ever block the main coroutine
3122	local $Coro::idle = sub {	3933	$Coro::idle = sub {
3123	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3934	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3124	(async {	3935	(async {
3125	Event::one_event;	3936	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3937	EV::loop EV::LOOP_ONESHOT;
3126	})->prio (Coro::PRIO_MAX);	3938	})->prio (Coro::PRIO_MAX);
3127	};	3939	};
3128		3940
		3941	evthread_start IO::AIO::poll_fileno;
		3942
		3943	cf::sync_job {
		3944	cf::incloader::init ();
		3945
		3946	db_init;
		3947
		3948	cf::init_anim;
		3949	cf::init_attackmess;
		3950	cf::init_dynamic;
		3951
		3952	cf::load_settings;
		3953
		3954	reload_resources;
3129	reload_config;	3955	reload_config;
3130	db_init;	3956
		3957	cf::init_uuid;
		3958	cf::init_signals;
		3959	cf::init_skills;
		3960
		3961	cf::init_beforeplay;
		3962
		3963	atomic;
		3964
3131	load_extensions;	3965	load_extensions;
3132		3966
3133	$TICK_WATCHER->start;	3967	utime time, time, $RUNTIMEFILE;
3134	Event::loop;	3968
		3969	# no (long-running) fork's whatsoever before this point(!)
		3970	use POSIX ();
		3971	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3972
		3973	cf::_post_init 0;
		3974	};
		3975
		3976	cf::object::thawer::errors_are_fatal 0;
		3977	info "parse errors in files are no longer fatal from this point on.\n";
		3978
		3979	AE::postpone {
		3980	undef &main; # free gobs of memory :)
		3981	};
		3982
		3983	goto &main_loop;
3135	}	3984	}
3136		3985
3137	#############################################################################	3986	#############################################################################
3138	# initialisation and cleanup	3987	# initialisation and cleanup
3139		3988
3140	# install some emergency cleanup handlers	3989	# install some emergency cleanup handlers
3141	BEGIN {	3990	BEGIN {
		3991	our %SIGWATCHER = ();
3142	for my $signal (qw(INT HUP TERM)) {	3992	for my $signal (qw(INT HUP TERM)) {
3143	Event->signal (	3993	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3144	reentrant => 0,
3145	data => WF_AUTOCANCEL,
3146	signal => $signal,
3147	prio => 0,
3148	cb => sub {
3149	cf::cleanup "SIG$signal";	3994	cf::cleanup "SIG$signal";
3150	},
3151	);	3995	};
3152	}	3996	}
3153	}	3997	}
3154		3998
3155	sub write_runtime {	3999	sub write_runtime_sync {
3156	my $runtime = "$LOCALDIR/runtime";	4000	my $t0 = AE::time;
3157		4001
3158	# first touch the runtime file to show we are still running:	4002	# first touch the runtime file to show we are still running:
3159	# the fsync below can take a very very long time.	4003	# the fsync below can take a very very long time.
3160		4004
3161	IO::AIO::aio_utime $runtime, undef, undef;	4005	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3162		4006
3163	my $guard = cf::lock_acquire "write_runtime";	4007	my $guard = cf::lock_acquire "write_runtime";
3164		4008
3165	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4009	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3166	or return;	4010	or return;
3167		4011
3168	my $value = $cf::RUNTIME + 90 + 10;	4012	my $value = $cf::RUNTIME + 90 + 10;
3169	# 10 is the runtime save interval, for a monotonic clock	4013	# 10 is the runtime save interval, for a monotonic clock
3170	# 60 allows for the watchdog to kill the server.	4014	# 60 allows for the watchdog to kill the server.
…		…
3180	aio_utime $fh, undef, undef;	4024	aio_utime $fh, undef, undef;
3181		4025
3182	close $fh	4026	close $fh
3183	or return;	4027	or return;
3184		4028
3185	aio_rename "$runtime~", $runtime	4029	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3186	and return;	4030	and return;
3187		4031
3188	warn "runtime file written.\n";	4032	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3189		4033
3190	1	4034	1
		4035	}
		4036
		4037	our $uuid_lock;
		4038	our $uuid_skip;
		4039
		4040	sub write_uuid_sync($) {
		4041	$uuid_skip ||= $_[0];
		4042
		4043	return if $uuid_lock;
		4044	local $uuid_lock = 1;
		4045
		4046	my $uuid = "$LOCALDIR/uuid";
		4047
		4048	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4049	or return;
		4050
		4051	my $value = uuid_seq uuid_cur;
		4052
		4053	unless ($value) {
		4054	info "cowardly refusing to write zero uuid value!\n";
		4055	return;
		4056	}
		4057
		4058	my $value = uuid_str $value + $uuid_skip;
		4059	$uuid_skip = 0;
		4060
		4061	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4062	and return;
		4063
		4064	# always fsync - this file is important
		4065	aio_fsync $fh
		4066	and return;
		4067
		4068	close $fh
		4069	or return;
		4070
		4071	aio_rename "$uuid~", $uuid
		4072	and return;
		4073
		4074	trace "uuid file written ($value).\n";
		4075
		4076	1
		4077
		4078	}
		4079
		4080	sub write_uuid($$) {
		4081	my ($skip, $sync) = @_;
		4082
		4083	$sync ? write_uuid_sync $skip
		4084	: async { write_uuid_sync $skip };
3191	}	4085	}
3192		4086
3193	sub emergency_save() {	4087	sub emergency_save() {
3194	my $freeze_guard = cf::freeze_mainloop;	4088	my $freeze_guard = cf::freeze_mainloop;
3195		4089
3196	warn "enter emergency perl save\n";	4090	info "emergency_perl_save: enter\n";
		4091
		4092	# this is a trade-off: we want to be very quick here, so
		4093	# save all maps without fsync, and later call a global sync
		4094	# (which in turn might be very very slow)
		4095	local $USE_FSYNC = 0;
3197		4096
3198	cf::sync_job {	4097	cf::sync_job {
		4098	cf::write_runtime_sync; # external watchdog should not bark
		4099
3199	# use a peculiar iteration method to avoid tripping on perl	4100	# use a peculiar iteration method to avoid tripping on perl
3200	# refcount bugs in for. also avoids problems with players	4101	# refcount bugs in for. also avoids problems with players
3201	# and maps saved/destroyed asynchronously.	4102	# and maps saved/destroyed asynchronously.
3202	warn "begin emergency player save\n";	4103	info "emergency_perl_save: begin player save\n";
3203	for my $login (keys %cf::PLAYER) {	4104	for my $login (keys %cf::PLAYER) {
3204	my $pl = $cf::PLAYER{$login} or next;	4105	my $pl = $cf::PLAYER{$login} or next;
3205	$pl->valid or next;	4106	$pl->valid or next;
		4107	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3206	$pl->save;	4108	$pl->save;
3207	}	4109	}
3208	warn "end emergency player save\n";	4110	info "emergency_perl_save: end player save\n";
3209		4111
3210	warn "begin emergency map save\n";	4112	cf::write_runtime_sync; # external watchdog should not bark
		4113
		4114	info "emergency_perl_save: begin map save\n";
3211	for my $path (keys %cf::MAP) {	4115	for my $path (keys %cf::MAP) {
3212	my $map = $cf::MAP{$path} or next;	4116	my $map = $cf::MAP{$path} or next;
3213	$map->valid or next;	4117	$map->valid or next;
3214	$map->save;	4118	$map->save;
3215	}	4119	}
3216	warn "end emergency map save\n";	4120	info "emergency_perl_save: end map save\n";
3217		4121
3218	warn "begin emergency database checkpoint\n";	4122	cf::write_runtime_sync; # external watchdog should not bark
		4123
		4124	info "emergency_perl_save: begin database checkpoint\n";
3219	BDB::db_env_txn_checkpoint $DB_ENV;	4125	BDB::db_env_txn_checkpoint $DB_ENV;
3220	warn "end emergency database checkpoint\n";	4126	info "emergency_perl_save: end database checkpoint\n";
		4127
		4128	info "emergency_perl_save: begin write uuid\n";
		4129	write_uuid_sync 1;
		4130	info "emergency_perl_save: end write uuid\n";
		4131
		4132	cf::write_runtime_sync; # external watchdog should not bark
		4133
		4134	trace "emergency_perl_save: syncing database to disk";
		4135	BDB::db_env_txn_checkpoint $DB_ENV;
		4136
		4137	info "emergency_perl_save: starting sync\n";
		4138	IO::AIO::aio_sync sub {
		4139	info "emergency_perl_save: finished sync\n";
		4140	};
		4141
		4142	cf::write_runtime_sync; # external watchdog should not bark
		4143
		4144	trace "emergency_perl_save: flushing outstanding aio requests";
		4145	while (IO::AIO::nreqs || BDB::nreqs) {
		4146	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4147	}
		4148
		4149	cf::write_runtime_sync; # external watchdog should not bark
3221	};	4150	};
3222		4151
3223	warn "leave emergency perl save\n";	4152	info "emergency_perl_save: leave\n";
3224	}	4153	}
3225		4154
3226	sub post_cleanup {	4155	sub post_cleanup {
3227	my ($make_core) = @_;	4156	my ($make_core) = @_;
3228		4157
		4158	IO::AIO::flush;
		4159
3229	warn Carp::longmess "post_cleanup backtrace"	4160	error Carp::longmess "post_cleanup backtrace"
3230	if $make_core;	4161	if $make_core;
		4162
		4163	my $fh = pidfile;
		4164	unlink $PIDFILE if <$fh> == $$;
		4165	}
		4166
		4167	# a safer delete_package, copied from Symbol
		4168	sub clear_package($) {
		4169	my $pkg = shift;
		4170
		4171	# expand to full symbol table name if needed
		4172	unless ($pkg =~ /^main::.*::$/) {
		4173	$pkg = "main$pkg" if $pkg =~ /^::/;
		4174	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4175	$pkg .= '::' unless $pkg =~ /::$/;
		4176	}
		4177
		4178	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4179	my $stem_symtab = *{$stem}{HASH};
		4180
		4181	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4182	or return;
		4183
		4184	# clear all symbols
		4185	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4186	for my $name (keys %$leaf_symtab) {
		4187	_gv_clear *{"$pkg$name"};
		4188	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4189	}
3231	}	4190	}
3232		4191
3233	sub do_reload_perl() {	4192	sub do_reload_perl() {
3234	# can/must only be called in main	4193	# can/must only be called in main
3235	if ($Coro::current != $Coro::main) {	4194	unless (in_main) {
3236	warn "can only reload from main coroutine";	4195	error "can only reload from main coroutine";
3237	return;	4196	return;
3238	}	4197	}
3239		4198
3240	warn "reloading...";	4199	return if $RELOAD++;
3241		4200
3242	warn "entering sync_job";	4201	my $t1 = AE::time;
3243		4202
		4203	while ($RELOAD) {
		4204	cf::get_slot 0.1, -1, "reload_perl";
		4205	info "perl_reload: reloading...";
		4206
		4207	trace "perl_reload: entering sync_job";
		4208
3244	cf::sync_job {	4209	cf::sync_job {
3245	cf::write_runtime; # external watchdog should not bark
3246	cf::emergency_save;	4210	#cf::emergency_save;
3247	cf::write_runtime; # external watchdog should not bark
3248		4211
3249	warn "syncing database to disk";
3250	BDB::db_env_txn_checkpoint $DB_ENV;
3251
3252	# if anything goes wrong in here, we should simply crash as we already saved
3253
3254	warn "cancelling all WF_AUTOCANCEL watchers";
3255	for (Event::all_watchers) {
3256	$_->cancel if $_->data & WF_AUTOCANCEL;
3257	}
3258
3259	warn "flushing outstanding aio requests";
3260	for (;;) {
3261	BDB::flush;
3262	IO::AIO::flush;
3263	Coro::cede;
3264	last unless IO::AIO::nreqs || BDB::nreqs;
3265	warn "iterate...";
3266	}
3267
3268	++$RELOAD;
3269
3270	warn "cancelling all extension coros";	4212	trace "perl_reload: cancelling all extension coros";
3271	$_->cancel for values %EXT_CORO;	4213	$_->cancel for values %EXT_CORO;
3272	%EXT_CORO = ();	4214	%EXT_CORO = ();
3273		4215
3274	warn "removing commands";	4216	trace "perl_reload: removing commands";
3275	%COMMAND = ();	4217	%COMMAND = ();
3276		4218
3277	warn "removing ext/exti commands";	4219	trace "perl_reload: removing ext/exti commands";
3278	%EXTCMD = ();	4220	%EXTCMD = ();
3279	%EXTICMD = ();	4221	%EXTICMD = ();
3280		4222
3281	warn "unloading/nuking all extensions";	4223	trace "perl_reload: unloading/nuking all extensions";
3282	for my $pkg (@EXTS) {	4224	for my $pkg (@EXTS) {
3283	warn "... unloading $pkg";	4225	trace "... unloading $pkg";
3284		4226
3285	if (my $cb = $pkg->can ("unload")) {	4227	if (my $cb = $pkg->can ("unload")) {
3286	eval {	4228	eval {
3287	$cb->($pkg);	4229	$cb->($pkg);
3288	1	4230	1
3289	} or warn "$pkg unloaded, but with errors: $@";	4231	} or error "$pkg unloaded, but with errors: $@";
		4232	}
		4233
		4234	trace "... clearing $pkg";
		4235	clear_package $pkg;
3290	}	4236	}
3291		4237
3292	warn "... nuking $pkg";
3293	Symbol::delete_package $pkg;
3294	}
3295
3296	warn "unloading all perl modules loaded from $LIBDIR";	4238	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3297	while (my ($k, $v) = each %INC) {	4239	while (my ($k, $v) = each %INC) {
3298	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4240	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3299		4241
3300	warn "... unloading $k";	4242	trace "... unloading $k";
3301	delete $INC{$k};	4243	delete $INC{$k};
3302		4244
3303	$k =~ s/\.pm$//;	4245	$k =~ s/\.pm$//;
3304	$k =~ s/\//::/g;	4246	$k =~ s/\//::/g;
3305		4247
3306	if (my $cb = $k->can ("unload_module")) {	4248	if (my $cb = $k->can ("unload_module")) {
3307	$cb->();	4249	$cb->();
		4250	}
		4251
		4252	clear_package $k;
3308	}	4253	}
3309		4254
3310	Symbol::delete_package $k;
3311	}
3312
3313	warn "getting rid of safe::, as good as possible";	4255	trace "perl_reload: getting rid of safe::, as good as possible";
3314	Symbol::delete_package "safe::$_"	4256	clear_package "safe::$_"
3315	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4257	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3316		4258
3317	warn "unloading cf.pm \"a bit\"";	4259	trace "perl_reload: unloading cf.pm \"a bit\"";
3318	delete $INC{"cf.pm"};	4260	delete $INC{"cf.pm"};
3319	delete $INC{"cf/pod.pm"};	4261	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3320		4262
3321	# don't, removes xs symbols, too,	4263	# don't, removes xs symbols, too,
3322	# and global variables created in xs	4264	# and global variables created in xs
3323	#Symbol::delete_package __PACKAGE__;	4265	#clear_package __PACKAGE__;
3324		4266
3325	warn "unload completed, starting to reload now";	4267	info "perl_reload: unload completed, starting to reload now";
3326		4268
3327	warn "reloading cf.pm";	4269	trace "perl_reload: reloading cf.pm";
3328	require cf;	4270	require cf;
3329	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4271	cf::_connect_to_perl_1;
3330		4272
3331	warn "loading config and database again";	4273	trace "perl_reload: loading config and database again";
3332	cf::reload_config;	4274	cf::reload_config;
3333		4275
3334	warn "loading extensions";	4276	trace "perl_reload: loading extensions";
3335	cf::load_extensions;	4277	cf::load_extensions;
3336		4278
		4279	if ($REATTACH_ON_RELOAD) {
3337	warn "reattaching attachments to objects/players";	4280	trace "perl_reload: reattaching attachments to objects/players";
3338	_global_reattach; # objects, sockets	4281	_global_reattach; # objects, sockets
3339	warn "reattaching attachments to maps";	4282	trace "perl_reload: reattaching attachments to maps";
3340	reattach $_ for values %MAP;	4283	reattach $_ for values %MAP;
3341	warn "reattaching attachments to players";	4284	trace "perl_reload: reattaching attachments to players";
3342	reattach $_ for values %PLAYER;	4285	reattach $_ for values %PLAYER;
		4286	}
3343		4287
3344	warn "leaving sync_job";	4288	cf::_post_init 1;
3345		4289
		4290	trace "perl_reload: leaving sync_job";
		4291
3346	1	4292	1
3347	} or do {	4293	} or do {
3348	warn $@;	4294	error $@;
3349	warn "error while reloading, exiting.";	4295	cf::cleanup "perl_reload: error, exiting.";
3350	exit 1;	4296	};
		4297
		4298	--$RELOAD;
3351	};	4299	}
3352		4300
3353	warn "reloaded";	4301	$t1 = AE::time - $t1;
		4302	info "perl_reload: completed in ${t1}s\n";
3354	};	4303	};
3355		4304
3356	our $RELOAD_WATCHER; # used only during reload	4305	our $RELOAD_WATCHER; # used only during reload
3357		4306
3358	sub reload_perl() {	4307	sub reload_perl() {
3359	# doing reload synchronously and two reloads happen back-to-back,	4308	# doing reload synchronously and two reloads happen back-to-back,
3360	# coro crashes during coro_state_free->destroy here.	4309	# coro crashes during coro_state_free->destroy here.
3361		4310
3362	$RELOAD_WATCHER ||= Event->timer (	4311	$RELOAD_WATCHER ||= cf::async {
3363	reentrant => 0,	4312	Coro::AIO::aio_wait cache_extensions;
3364	after => 0,	4313
3365	data => WF_AUTOCANCEL,	4314	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3366	cb => sub {
3367	do_reload_perl;	4315	do_reload_perl;
3368	undef $RELOAD_WATCHER;	4316	undef $RELOAD_WATCHER;
3369	},	4317	};
3370	);	4318	};
3371	}	4319	}
3372		4320
3373	register_command "reload" => sub {	4321	register_command "reload" => sub {
3374	my ($who, $arg) = @_;	4322	my ($who, $arg) = @_;
3375		4323
3376	if ($who->flag (FLAG_WIZ)) {	4324	if ($who->flag (FLAG_WIZ)) {
3377	$who->message ("reloading server.");	4325	$who->message ("reloading server.");
		4326	async {
		4327	$Coro::current->{desc} = "perl_reload";
3378	async { reload_perl };	4328	reload_perl;
		4329	};
3379	}	4330	}
3380	};	4331	};
3381		4332
3382	unshift @INC, $LIBDIR;	4333	#############################################################################
3383		4334
3384	my $bug_warning = 0;	4335	my $bug_warning = 0;
3385		4336
3386	our @WAIT_FOR_TICK;
3387	our @WAIT_FOR_TICK_BEGIN;
3388
3389	sub wait_for_tick {	4337	sub wait_for_tick() {
3390	return unless $TICK_WATCHER->is_active;	4338	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3391	return if $Coro::current == $Coro::main;
3392		4339
3393	my $signal = new Coro::Signal;	4340	$WAIT_FOR_TICK->wait;
3394	push @WAIT_FOR_TICK, $signal;
3395	$signal->wait;
3396	}	4341	}
3397		4342
3398	sub wait_for_tick_begin {	4343	sub wait_for_tick_begin() {
3399	return unless $TICK_WATCHER->is_active;	4344	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3400	return if $Coro::current == $Coro::main;
3401		4345
3402	my $signal = new Coro::Signal;	4346	my $signal = new Coro::Signal;
3403	push @WAIT_FOR_TICK_BEGIN, $signal;	4347	push @WAIT_FOR_TICK_BEGIN, $signal;
3404	$signal->wait;	4348	$signal->wait;
3405	}	4349	}
3406		4350
3407	my $min = 1e6;#d#	4351	sub tick {
3408	my $avg = 10;
3409	$TICK_WATCHER = Event->timer (
3410	reentrant => 0,
3411	parked => 1,
3412	prio => 0,
3413	at => $NEXT_TICK || $TICK,
3414	data => WF_AUTOCANCEL,
3415	cb => sub {
3416	if ($Coro::current != $Coro::main) {	4352	if ($Coro::current != $Coro::main) {
3417	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4353	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3418	unless ++$bug_warning > 10;	4354	unless ++$bug_warning > 10;
3419	return;	4355	return;
3420	}	4356	}
3421		4357
3422	$NOW = $tick_start = Event::time;	4358	cf::one_tick; # one server iteration
3423		4359
3424	cf::server_tick; # one server iteration	4360	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3425		4361
3426	0 && sync_job {#d#	4362	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3427	for(1..10) {	4363	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3428	my $t = Event::time;	4364	Coro::async_pool {
3429	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4365	$Coro::current->{desc} = "runtime saver";
3430	or die;	4366	write_runtime_sync
3431		4367	or error "ERROR: unable to write runtime file: $!";
3432	$map->width (50);
3433	$map->height (50);
3434	$map->alloc;
3435	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
3436	my $t = Event::time - $t;
3437
3438	#next unless $t < 0.0013;#d#
3439	if ($t < $min) {
3440	$min = $t;
3441	}
3442	$avg = $avg * 0.99 + $t * 0.01;
3443	}
3444	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3445	exit 0;
3446	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3447	};	4368	};
		4369	}
3448		4370
3449	$RUNTIME += $TICK;
3450	$NEXT_TICK += $TICK;
3451
3452	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3453	$NEXT_RUNTIME_WRITE = $NOW + 10;
3454	Coro::async_pool {
3455	write_runtime
3456	or warn "ERROR: unable to write runtime file: $!";
3457	};
3458	}
3459
3460	# my $AFTER = Event::time;
3461	# warn $AFTER - $NOW;#d#
3462
3463	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4371	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3464	$sig->send;	4372	$sig->send;
3465	}	4373	}
3466	while (my $sig = shift @WAIT_FOR_TICK) {	4374	$WAIT_FOR_TICK->broadcast;
3467	$sig->send;
3468	}
3469		4375
3470	$NOW = Event::time;	4376	$LOAD = ($NOW - $TICK_START) / $TICK;
3471
3472	# if we are delayed by four ticks or more, skip them all
3473	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3474
3475	$TICK_WATCHER->at ($NEXT_TICK);
3476	$TICK_WATCHER->start;
3477
3478	$LOAD = ($NOW - $tick_start) / $TICK;
3479	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4377	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3480		4378
3481	_post_tick;	4379	if (0) {
3482		4380	if ($NEXT_TICK) {
3483		4381	my $jitter = $TICK_START - $NEXT_TICK;
		4382	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4383	debug "jitter $JITTER\n";#d#
		4384	}
3484	},	4385	}
3485	);	4386	}
3486		4387
3487	{	4388	{
3488	BDB::max_poll_time $TICK * 0.1;	4389	# configure BDB
3489	$BDB_POLL_WATCHER = Event->io (	4390	info "initialising database";
3490	reentrant => 0,	4391
3491	fd => BDB::poll_fileno,
3492	poll => 'r',
3493	prio => 0,
3494	data => WF_AUTOCANCEL,
3495	cb => \&BDB::poll_cb,
3496	);
3497	BDB::min_parallel 8;	4392	BDB::min_parallel 16;
3498		4393	BDB::max_poll_reqs $TICK * 0.1;
3499	BDB::set_sync_prepare {	4394	#$AnyEvent::BDB::WATCHER->priority (1);
3500	my $status;
3501	my $current = $Coro::current;
3502	(
3503	sub {
3504	$status = $!;
3505	$current->ready; undef $current;
3506	},
3507	sub {
3508	Coro::schedule while defined $current;
3509	$! = $status;
3510	},
3511	)
3512	};
3513		4395
3514	unless ($DB_ENV) {	4396	unless ($DB_ENV) {
3515	$DB_ENV = BDB::db_env_create;	4397	$DB_ENV = BDB::db_env_create;
		4398	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4399	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4400	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4401	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4402	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3516		4403
3517	cf::sync_job {	4404	cf::sync_job {
3518	eval {	4405	eval {
3519	BDB::db_env_open	4406	BDB::db_env_open
3520	$DB_ENV,	4407	$DB_ENV,
…		…
3522	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4409	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3523	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4410	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3524	0666;	4411	0666;
3525		4412
3526	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4413	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3527
3528	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3529	$DB_ENV->set_lk_detect;
3530	};	4414	};
3531		4415
3532	cf::cleanup "db_env_open(db): $@" if $@;	4416	cf::cleanup "db_env_open(db): $@" if $@;
3533	};	4417	};
3534	}	4418	}
		4419
		4420	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4421	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4422	};
		4423	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4424	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4425	};
		4426	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4427	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4428	};
		4429
		4430	info "database initialised";
3535	}	4431	}
3536		4432
3537	{	4433	{
		4434	# configure IO::AIO
		4435
		4436	info "initialising aio";
3538	IO::AIO::min_parallel 8;	4437	IO::AIO::min_parallel 8;
3539
3540	undef $Coro::AIO::WATCHER;
3541	IO::AIO::max_poll_time $TICK * 0.1;	4438	IO::AIO::max_poll_time $TICK * 0.1;
3542	$AIO_POLL_WATCHER = Event->io (	4439	undef $AnyEvent::AIO::WATCHER;
3543	reentrant => 0,	4440	info "aio initialised";
3544	data => WF_AUTOCANCEL,
3545	fd => IO::AIO::poll_fileno,
3546	poll => 'r',
3547	prio => 6,
3548	cb => \&IO::AIO::poll_cb,
3549	);
3550	}	4441	}
3551		4442
3552	my $_log_backtrace;	4443	our $_log_backtrace;
		4444	our $_log_backtrace_last;
3553		4445
3554	sub _log_backtrace {	4446	sub _log_backtrace {
3555	my ($msg, @addr) = @_;	4447	my ($msg, @addr) = @_;
3556		4448
3557	$msg =~ s/\n//;	4449	$msg =~ s/\n$//;
3558		4450
		4451	if ($_log_backtrace_last eq $msg) {
		4452	LOG llevInfo, "[ABT] $msg\n";
		4453	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3559	# limit the # of concurrent backtraces	4454	# limit the # of concurrent backtraces
3560	if ($_log_backtrace < 2) {	4455	} elsif ($_log_backtrace < 2) {
		4456	$_log_backtrace_last = $msg;
3561	++$_log_backtrace;	4457	++$_log_backtrace;
		4458	my $perl_bt = Carp::longmess $msg;
3562	async {	4459	async {
		4460	$Coro::current->{desc} = "abt $msg";
		4461
3563	my @bt = fork_call {	4462	my @bt = fork_call {
3564	@addr = map { sprintf "%x", $_ } @addr;	4463	@addr = map { sprintf "%x", $_ } @addr;
3565	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4464	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3566	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4465	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3567	or die "addr2line: $!";	4466	or die "addr2line: $!";
…		…
3575	}	4474	}
3576		4475
3577	@funcs	4476	@funcs
3578	};	4477	};
3579		4478
3580	LOG llevInfo, "[ABT] $msg\n";	4479	LOG llevInfo, "[ABT] $perl_bt\n";
		4480	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3581	LOG llevInfo, "[ABT] $_\n" for @bt;	4481	LOG llevInfo, "[ABT] $_\n" for @bt;
3582	--$_log_backtrace;	4482	--$_log_backtrace;
3583	};	4483	};
3584	} else {	4484	} else {
3585	LOG llevInfo, "[ABT] $msg\n";	4485	LOG llevInfo, "[ABT] $msg\n";
3586	LOG llevInfo, "[ABT] [suppressed]\n";	4486	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3587	}	4487	}
3588	}	4488	}
3589		4489
3590	# load additional modules	4490	# load additional modules
3591	use cf::pod;	4491	require "cf/$_.pm" for @EXTRA_MODULES;
		4492	cf::_connect_to_perl_2;
3592		4493
3593	END { cf::emergency_save }	4494	END { cf::emergency_save }
3594		4495
3595	1	4496	1
3596		4497

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