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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.347 by root, Thu Aug 30 05:16:09 2007 UTC vs.
Revision 1.617 by root, Mon Aug 10 18:46:04 2015 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.64 ();	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		145
84	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
85	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
86
87	our %CFG;
88
89	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;
91
92	our %PLAYER; # all users
93	our %MAP; # 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::run EV::RUN_ONCE;
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 (liekly 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 || {} });
…		…
1007	sub object_freezer_save {	1344	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1009		1346
1010	sync_job {	1347	sync_job {
1011	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1014		1353
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	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	}
1019	close $fh;	1361	aio_close $fh;
1020		1362
1021	if (@$objs) {	1363	if (@$objs) {
1022	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) {
1023	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1026	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	}
1027	close $fh;	1372	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1374	}
1030	} else {	1375	} else {
1031	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1032	}	1377	}
1033		1378
1034	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1035	} else {	1383	} else {
1036	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1037	}	1385	}
1038	} else {	1386	} else {
1039	aio_unlink $filename;	1387	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1041	}	1389	}
1042	}	1390	};
1043	}	1391	}
1044		1392
1045	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
1047		1395
…		…
1059	or return;	1407	or return;
1060		1408
1061	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1411	or return;
		1412
1064	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
1065	}	1415	}
1066		1416
		1417	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
1069	return ($data, $av);	1422	($data, $av)
1070	}	1423	}
1071		1424
1072	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
1073		1426
1074	=over 4	1427	=over 4
…		…
1076	=cut	1429	=cut
1077		1430
1078	#############################################################################	1431	#############################################################################
1079	# command handling &c	1432	# command handling &c
1080		1433
1081	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1082		1435
1083	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
1084	$name.	1437	$name.
1085		1438
1086	=cut	1439	=cut
…		…
1092	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1093		1446
1094	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1095	}	1448	}
1096		1449
1097	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1098		1451
1099	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1100	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
1101	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
1102	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
1103	has logged in successfully.	1456	has logged in successfully.
1104		1457
1105	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1106	called.
1107		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
1108	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1109		1466
1110	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1111	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
1112	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
1113	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
1114	log-in.	1471	log-in.
1115		1472
1116	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1117	called.
1118		1474
1119	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1120		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
1121	sub register_extcmd {	1482	sub register_extcmd($$) {
1122	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1123		1484
1124	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1125	}	1486	}
1126		1487
1127	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1128	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1129		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1130	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1131	}	1498	}
1132		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1133	cf::player->attach (	1508	cf::player->attach (
1134	on_command => sub {	1509	on_unknown_command => sub {
1135	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1136		1511
1137	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1138	or return;	1513	or return;
1139		1514
…		…
1147	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1148		1523
1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1150		1525
1151	if (ref $msg) {	1526	if (ref $msg) {
1152	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1153	"ARRAY" eq ref $msg
1154	? @$msg
1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1156		1528
1157	my @reply;
1158
1159	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}) {
1160	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1161	}	1547	}
1162		1548
1163	$pl->ext_reply ($reply, @reply)
1164	if $reply;
1165
1166	} else {	1549	} else {
1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1168	}	1551	}
1169		1552
1170	cf::override;	1553	cf::override;
1171	},	1554	},
1172	);	1555	);
1173		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
1174	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1175	cf::sync_job {	1586	cf::sync_job {
1176	my %todo;	1587	my %todo;
1177		1588
1178	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1179	next unless -r $path;	1590	next unless -r $path;
…		…
1197		1608
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1611
1201	$ext{source} =	1612	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1203	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1204	. $source	1615	. $source
1205	. "\n};\n1";	1616	. "\n};\n1";
1206		1617
1207	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1208	}	1619	}
1209		1620
		1621	my $pass = 0;
1210	my %done;	1622	my %done;
1211	while (%todo) {	1623	while (%todo) {
1212	my $progress;	1624	my $progress;
1213		1625
		1626	++$pass;
		1627
		1628	ext:
1214	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1215	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1216	goto skip	1631	next ext
1217	unless exists $done{$_};	1632	unless exists $done{$_};
1218	}	1633	}
1219		1634
1220	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1221		1636
1222	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 $@) {
1223	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1224	: "$v->{base}: extension inactive.\n";
1225		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1226	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1227	warn $msg;	1653
1228	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1229	exit 1;	1655	delete $todo{$k};
1230	}	1656	} else {
1231		1657	$done{$k} = delete $todo{$k};
1232	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1233	}	1663	}
1234
1235	$done{$k} = delete $todo{$k};
1236	push @EXTS, $v->{pkg};
1237	$progress = 1;
1238	}	1664	}
1239		1665
1240	skip:	1666	unless ($progress) {
1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1242	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	}
1243	}	1676	}
1244	};	1677	};
1245	}	1678	}
1246		1679
1247	#############################################################################	1680	#############################################################################
1248		1681
1249	=back	1682	=back
1250		1683
1251	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1252		1685
1253	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1254		1687
1255	=cut	1688	=cut
1256		1689
1257	package cf::player;	1690	package cf::player;
1258		1691
1259	use Coro::AIO;	1692	use Coro::AIO;
1260		1693
1261	=head3 cf::player	1694	=head3 cf::player
1262		1695
1263	=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	}
1264		1711
1265	=item cf::player::find $login	1712	=item cf::player::find $login
1266		1713
1267	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
1268		1715
…		…
1287		1734
1288	sub exists($) {	1735	sub exists($) {
1289	my ($login) = @_;	1736	my ($login) = @_;
1290		1737
1291	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1292	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1293	}	1740	}
1294		1741
1295	sub find($) {	1742	sub find($) {
1296	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1297	my $login = $_[0];	1744	my $login = $_[0];
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1755
1309	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1757	or return;
		1758
		1759	my $pl = cf::player::load_pl $f
		1760	or return;
		1761
		1762	local $cf::PLAYER_LOADING{$login} = $pl;
		1763	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1312	}	1765	}
1313	}	1766	}
1314	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
1315		1781
1316	sub save($) {	1782	sub save($) {
1317	my ($pl) = @_;	1783	my ($pl) = @_;
1318		1784
1319	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1323		1789
1324	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1325		1791
1326	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1327	$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];
1328		1799
1329	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1801	cf::cede_to_tick;
1331	}	1802	}
1332		1803
…		…
1364	my ($pl) = @_;	1835	my ($pl) = @_;
1365		1836
1366	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1367		1838
1368	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1369	$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
1370		1841
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1372	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1374	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1375		1850
1376	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1378	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1413	or return [];	1888	or return [];
1414		1889
1415	my @logins;	1890	my @logins;
1416		1891
1417	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
		1893	my $path = path $login;
		1894
		1895	# a .pst is a dead give-away for a valid player
		1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1421		1902
1422	utf8::decode $login;	1903	utf8::decode $login;
1423	push @logins, $login;	1904	push @logins, $login;
1424	}	1905	}
1425		1906
1426	\@logins	1907	\@logins
1427	}	1908	}
1428		1909
1429	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1430		1913
1431	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1432	player. May block.	1915	player. May block.
1433		1916
1434	=cut	1917	=cut
…		…
1452	}	1935	}
1453		1936
1454	\@paths	1937	\@paths
1455	}	1938	}
1456		1939
1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458		1941
1459	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1460
1461	=cut
1462
1463	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;
1465
1466	# escape & and <
1467	s/&/&amp;/g;
1468	s/(?<![BIUGH])</&lt;/g;
1469
1470	# this is buggy, it needs to properly take care of nested <'s
1471
1472	1 while
1473	# replace B<>, I<>, U<> etc.
1474	s/B<([^\>]*)>/<b>$1<\/b>/
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
1477	# replace G<male|female> tags
1478	|| s{G<([^>|]*)\|([^>]*)>}{
1479	$self->gender ? $2 : $1
1480	}ge
1481	# replace H<hint text>
1482	|| s{H<([^\>]*)>}
1483	{
1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1486	"")
1487	[$self->{hintmode}]
1488	}ge;
1489
1490	# create single paragraphs (very hackish)
1491	s/(?<=\S)\n(?=\w)/ /g;
1492
1493	# compress some whitespace
1494	s/\s+\n/\n/g; # ws line-ends
1495	s/\n\n+/\n/g; # double lines
1496	s/^\n+//; # beginning lines
1497	s/\n+$//; # ending lines
1498
1499	$_
1500	}
1501
1502	sub hintmode {
1503	$_[0]{hintmode} = $_[1] if @_ > 1;
1504	$_[0]{hintmode}
1505	}
1506
1507	=item $player->ext_reply ($msgid, @msg)
1508
1509	Sends an ext reply to the player.
1510
1511	=cut
1512
1513	sub ext_reply($$@) {
1514	my ($self, $id, @msg) = @_;
1515
1516	$self->ns->ext_reply ($id, @msg)
1517	}
1518		1943
1519	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1520		1945
1521	Sends an ext event to the client.	1946	Sends an ext event to the client.
1522		1947
…		…
1542		1967
1543	=cut	1968	=cut
1544		1969
1545	sub find_by_path($) {	1970	sub find_by_path($) {
1546	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1547		1974
1548	my ($match, $specificity);	1975	my ($match, $specificity);
1549		1976
1550	for my $region (list) {	1977	for my $region (list) {
1551	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1577	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1579		2006
1580	sub generate_random_map {	2007	sub generate_random_map {
1581	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1582	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1583	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1587	$rmp->{exit_on_final_map},
1588	$rmp->{xsize}, $rmp->{ysize},
1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1591	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1592	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1594	(cf::region::find $rmp->{region}), $rmp->{custom}
1595	)
1596	}	2013	}
1597		2014
1598	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1599		2016
1600	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
…		…
1605		2022
1606	sub register {	2023	sub register {
1607	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1608	my $pkg = caller;	2025	my $pkg = caller;
1609		2026
1610	no strict;
1611	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1612		2028
1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1614	}	2030	}
1615		2031
1616	# also paths starting with '/'	2032	# also paths starting with '/'
1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1618		2034
1619	sub thawer_merge {	2035	sub thawer_merge {
1620	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1621		2037
1622	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1627	}	2043	}
1628		2044
1629	sub normalise {	2045	sub normalise {
1630	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1631		2047
1632	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1633		2049
1634	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1635		2051
1636	# map plan:	2052	# map plan:
1637	#	2053	#
…		…
1652	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1653	$path = "$base/$path";	2069	$path = "$base/$path";
1654	}	2070	}
1655		2071
1656	for ($path) {	2072	for ($path) {
1657	redo if s{//}{/};
1658	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1659	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1660	}	2075	}
1661		2076
1662	$path	2077	$path
…		…
1676	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1677	return $self;	2092	return $self;
1678	}	2093	}
1679	}	2094	}
1680		2095
1681	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1682	()	2097	()
1683	}	2098	}
1684		2099
		2100	# may re-bless or do other evil things
1685	sub init {	2101	sub init {
1686	my ($self) = @_;	2102	my ($self) = @_;
1687		2103
1688	$self	2104	$self
1689	}	2105	}
…		…
1708		2124
1709	# the temporary/swap location	2125	# the temporary/swap location
1710	sub save_path {	2126	sub save_path {
1711	my ($self) = @_;	2127	my ($self) = @_;
1712		2128
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1715	}	2131	}
1716		2132
1717	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1718	sub uniq_path {	2134	sub uniq_path {
1719	my ($self) = @_;	2135	my ($self) = @_;
1720		2136
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1723	}
1724
1725	# and all this just because we cannot iterate over
1726	# all maps in C++...
1727	sub change_all_map_light {
1728	my ($change) = @_;
1729
1730	$_->change_map_light ($change)
1731	for grep $_->outdoor, values %cf::MAP;
1732	}	2139	}
1733		2140
1734	sub decay_objects {	2141	sub decay_objects {
1735	my ($self) = @_;	2142	my ($self) = @_;
1736		2143
…		…
1749		2156
1750	sub load_header_from($) {	2157	sub load_header_from($) {
1751	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1752		2159
1753	utf8::encode $path;	2160	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	or return;	2162	or return;
1759		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1760	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1761		2171
1762	1	2172	1
1763	}	2173	}
1764		2174
		2175	# used to laod the header of an original map
1765	sub load_header_orig {	2176	sub load_header_orig {
1766	my ($self) = @_;	2177	my ($self) = @_;
1767		2178
1768	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1769	}	2180	}
1770		2181
		2182	# used to laod the header of an instantiated map
1771	sub load_header_temp {	2183	sub load_header_temp {
1772	my ($self) = @_;	2184	my ($self) = @_;
1773		2185
1774	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1775	}	2187	}
1776		2188
		2189	# called after loading the header from an instantiated map
1777	sub prepare_temp {	2190	sub prepare_temp {
1778	my ($self) = @_;	2191	my ($self) = @_;
1779		2192
1780	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1781	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1782	# safety	2195	# safety
1783	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1784	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1785	}	2198	}
1786		2199
		2200	# called after loading the header from an original map
1787	sub prepare_orig {	2201	sub prepare_orig {
1788	my ($self) = @_;	2202	my ($self) = @_;
1789		2203
1790	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1791	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1815		2229
1816	sub find;	2230	sub find;
1817	sub find {	2231	sub find {
1818	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1819		2233
		2234	cf::cede_to_tick;
		2235
1820	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1821		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1823		2240
1824	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1825	my $guard = cf::lock_acquire "map_find:$path";
1826	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1827	or return;	2243	or return;
1828		2244
1829	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1830		2246
…		…
1832	or return;	2248	or return;
1833		2249
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1837	$map->reset;	2255	$map->reset;
1838	undef $guard;
1839	return find $path;	2256	return find $path;
1840	}	2257	}
1841		2258
1842	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1843	}	2260	}
1844	}	2261	}
1845		2262
1846	sub pre_load { }	2263	sub pre_load { }
1847	sub post_load { }	2264	#sub post_load { } # XS
1848		2265
1849	sub load {	2266	sub load {
1850	my ($self) = @_;	2267	my ($self) = @_;
1851		2268
1852	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1853		2270
1854	my $path = $self->{path};	2271	my $path = $self->{path};
1855		2272
1856	{	2273	{
1857	my $guard1 = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1858	my $guard2 = cf::lock_acquire "map_load:$path";
1859		2275
		2276	return unless $self->valid;
1860	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1861
1862	$self->in_memory (cf::MAP_LOADING);
1863		2278
1864	$self->alloc;	2279	$self->alloc;
1865		2280
1866	$self->pre_load;	2281	$self->pre_load;
1867	cf::cede_to_tick;	2282	cf::cede_to_tick;
1868		2283
1869	$self->_load_objects ($self->{load_path}, 1)	2284	if (exists $self->{load_path}) {
		2285	my $f = new_from_file cf::object::thawer $self->{load_path};
		2286	$f->skip_block;
		2287	$self->_load_objects ($f)
1870	or return;	2288	or return;
1871		2289
1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1873	if delete $self->{load_original};	2291	if delete $self->{load_original};
1874		2292
1875	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1876	utf8::encode $uniq;	2294	utf8::encode $uniq;
1877	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1878	$self->clear_unique_items;	2297	$self->clear_unique_items;
1879	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1880	}	2302	}
		2303
		2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
1881	}	2308	}
		2309
		2310	$self->state (cf::MAP_INACTIVE);
1882		2311
1883	cf::cede_to_tick;	2312	cf::cede_to_tick;
1884	# now do the right thing for maps	2313	# now do the right thing for maps
1885	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1886	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
1890	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1891	$self->decay_objects;	2320	$self->decay_objects;
1892	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1893	$self->update_buttons;	2322	$self->update_buttons;
1894	cf::cede_to_tick;	2323	cf::cede_to_tick;
1895	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1896	cf::cede_to_tick;
1897	$self->activate;
1898	}	2325	}
1899		2326
1900	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
1901	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
1902
1903	$self->in_memory (cf::MAP_IN_MEMORY);
1904	}	2329	}
1905		2330
1906	$self->post_load;	2331	$self->post_load;
1907	}
1908		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
1909	sub customise_for {	2339	sub customise_for {
1910	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1911		2341
1912	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1913	if $self->per_player;	2343	if $self->per_player;
…		…
1916	# if $self->per_party;	2346	# if $self->per_party;
1917		2347
1918	$self	2348	$self
1919	}	2349	}
1920		2350
1921	# find and load all maps in the 3x3 area around a map
1922	sub load_neighbours {
1923	my ($map) = @_;
1924
1925	my @neigh; # diagonal neighbours
1926
1927	for (0 .. 3) {
1928	my $neigh = $map->tile_path ($_)
1929	or next;
1930	$neigh = find $neigh, $map
1931	or next;
1932	$neigh->load;
1933
1934	push @neigh,
1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1937	}
1938
1939	for (grep defined $_->[0], @neigh) {
1940	my ($path, $origin) = @$_;
1941	my $neigh = find $path, $origin
1942	or next;
1943	$neigh->load;
1944	}
1945	}
1946
1947	sub find_sync {	2351	sub find_sync {
1948	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1949		2353
1950	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
1951	}	2359	}
1952		2360
1953	sub do_load_sync {	2361	sub do_load_sync {
1954	my ($map) = @_;	2362	my ($map) = @_;
1955		2363
		2364	# it's a bug to call this from the main context
1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1957	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
1958		2367
1959	cf::sync_job { $map->load };	2368	$map->load;
1960	}	2369	}
1961		2370
1962	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1963	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1964		2373
1965	sub find_async {	2374	sub find_async {
1966	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
1967		2376
1968	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1969		2378
1970	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1972	}	2381	}
1973		2382
1974	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
1975		2384
1976	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1977	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1978	while (my ($k, $v) = each %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1979	if (my $map = find $k) {	2390	if (my $map = find $k) {
1980	$map->load if $v;	2391	$map->load if $v;
1981	}	2392	}
…		…
1988	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1989		2400
1990	()	2401	()
1991	}	2402	}
1992		2403
		2404	# common code, used by both ->save and ->swapout
1993	sub save {	2405	sub _save {
1994	my ($self) = @_;	2406	my ($self) = @_;
1995
1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1997		2407
1998	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1999		2409
2000	return unless $self->dirty;	2410	return unless $self->dirty;
2001		2411
…		…
2007	return if $self->{deny_save};	2417	return if $self->{deny_save};
2008		2418
2009	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
2010		2420
2011	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
2012	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
2013	};	2424	};
		2425
		2426	cf::get_slot 0.02;
2014		2427
2015	if ($uniq) {	2428	if ($uniq) {
2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2018	} else {	2431	} else {
2019	$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);
2020	}	2433	}
2021	}	2434	}
2022		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2023	sub swap_out {	2444	sub swap_out {
2024	my ($self) = @_;	2445	my ($self) = @_;
2025		2446
2026	# save first because save cedes
2027	$self->save;
2028
2029	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2030		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2031	return if $self->players;	2451	return if $self->players;
2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
2033	return if $self->{deny_save};
2034		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
2035	$self->clear;	2462	$self->clear;
2036	$self->in_memory (cf::MAP_SWAPPED);
2037	}	2463	}
2038		2464
2039	sub reset_at {	2465	sub reset_at {
2040	my ($self) = @_;	2466	my ($self) = @_;
2041		2467
…		…
2059		2485
2060	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
2061		2487
2062	return if $self->players;	2488	return if $self->players;
2063		2489
2064	warn "resetting map ", $self->path;	2490	cf::trace "resetting map ", $self->path, "\n";
2065		2491
2066	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
2067		2493
2068	# need to save uniques path	2494	# need to save uniques path
2069	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
2070	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
2071		2497
…		…
2073	if $uniq;	2499	if $uniq;
2074	}	2500	}
2075		2501
2076	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
2077		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
2078	$self->clear;	2506	$self->clear;
2079
2080	$_->clear_links_to ($self) for values %cf::MAP;
2081		2507
2082	$self->unlink_save;	2508	$self->unlink_save;
2083	$self->destroy;	2509	$self->destroy;
2084	}	2510	}
2085		2511
2086	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
2087		2513
2088	sub nuke {	2514	sub nuke {
2089	my ($self) = @_;	2515	my ($self) = @_;
2090		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
2091	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2092		2521
2093	$self->unlink_save;	2522	$self->unlink_save;
2094		2523
2095	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2096	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2097	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2098	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2100		2529
2101	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
2102		2532
2103	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
2104	}	2534	}
2105		2535
2106	=item $maps = cf::map::tmp_maps	2536	=item $maps = cf::map::tmp_maps
…		…
2148		2578
2149	sub unique_maps() {	2579	sub unique_maps() {
2150	[	2580	[
2151	map {	2581	map {
2152	utf8::decode $_;	2582	utf8::decode $_;
2153	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2154	? normalise $_	2586	: normalise $_
2155	: ()
2156	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2157	]	2588	]
2158	}	2589	}
2159		2590
2160	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	}
2161		2622
2162	=back	2623	=back
2163		2624
2164	=head3 cf::object	2625	=head3 cf::object
2165		2626
…		…
2169		2630
2170	=over 4	2631	=over 4
2171		2632
2172	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2173		2634
2174	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.
2175		2637
2176	=cut	2638	=cut
2177		2639
2178	sub inv_recursive_;	2640	sub inv_recursive_;
2179	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2182		2644
2183	sub inv_recursive {	2645	sub inv_recursive {
2184	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2185	}	2647	}
2186		2648
		2649	=item $ref = $ob->ref
		2650
		2651	Creates and returns a persistent reference to an object that can be stored as a string.
		2652
		2653	=item $ob = cf::object::deref ($refstring)
		2654
		2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2656	even if the object actually exists. May block.
		2657
		2658	=cut
		2659
		2660	sub deref {
		2661	my ($ref) = @_;
		2662
		2663	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2664	my ($uuid, $name) = ($1, $2);
		2665	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2666	or return;
		2667	$pl->ob->uuid eq $uuid
		2668	or return;
		2669
		2670	$pl->ob
		2671	} else {
		2672	warn "$ref: cannot resolve object reference\n";
		2673	undef
		2674	}
		2675	}
		2676
2187	package cf;	2677	package cf;
2188		2678
2189	=back	2679	=back
2190		2680
2191	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
2197	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2687	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2198	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
2199	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2200		2690
2201	=cut	2691	=cut
		2692
		2693	our $SAY_CHANNEL = {
		2694	id => "say",
		2695	title => "Map",
		2696	reply => "say ",
		2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2698	};
		2699
		2700	our $CHAT_CHANNEL = {
		2701	id => "chat",
		2702	title => "Chat",
		2703	reply => "chat ",
		2704	tooltip => "Player chat and shouts, global to the server.",
		2705	};
2202		2706
2203	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2204	# with dialog boxes.	2708	# with dialog boxes.
2205	#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
2206	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
2218	my $dialog = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2219	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2220		2724
2221	} else {	2725	} else {
2222	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2223	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2224	}	2728	}
2225	}	2729	}
2226	}	2730	}
2227		2731
2228	=item $object->send_msg ($channel, $msg, $color, [extra...])	2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2238	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
2239		2743
2240	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
2241	(e.g. "command_wizcast").	2745	(e.g. "command_wizcast").
2242		2746
		2747	This is implemented by checking a config setting of C<may_access> where
		2748	C<access> is replaced by the access string. The following alternatives are
		2749	possible (and are tested in order):
		2750
		2751	=over 4
		2752
		2753	=item * Player is DM
		2754
		2755	The request will succeed.
		2756
		2757	=item * may_access is an array reference
		2758
		2759	If either the player nickname or UUID is in the array, the request will
		2760	succeed, otherwise it will fail.
		2761
		2762	=item * may_access is a true value
		2763
		2764	The request will succeed.
		2765
		2766	=item * may_access is missing or false
		2767
		2768	The request will fail.
		2769
		2770	=back
		2771
2243	=cut	2772	=cut
2244		2773
2245	sub cf::object::player::may {	2774	sub cf::object::player::may {
2246	my ($self, $access) = @_;	2775	my ($self, $access) = @_;
2247		2776
2248	$self->flag (cf::FLAG_WIZ) ||	2777	$self->flag (cf::FLAG_WIZ) ||
2249	(ref $cf::CFG{"may_$access"}	2778	(ref $cf::CFG{"may_$access"}
2250	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2779	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2251	: $cf::CFG{"may_$access"})	2780	: $cf::CFG{"may_$access"})
2252	}	2781	}
2253		2782
2254	=item $player_object->enter_link	2783	=item $player_object->enter_link
2255		2784
2256	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}>).
2257		2786
2258	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.
2259	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.
2260		2791
2261	Will never block.	2792	This method will never block, which is the whole reaosn for it's
		2793	existance: you can I<always> put a player onto the link map, which is the
		2794	only place to put objects that is guaranteed to exist.
		2795
		2796	A typical usage pattern is to call C<enter_link> synchronously from the
		2797	server, then start a new thread, do your blocking stuff there and then
		2798	call C<leave_link> from that thread.
2262		2799
2263	=item $player_object->leave_link ($map, $x, $y)	2800	=item $player_object->leave_link ($map, $x, $y)
2264		2801
2265	Moves the player out of the special C<{link}> map onto the specified	2802	Moves the player out of the special C<{link}> map onto the specified
2266	map. If the map is not valid (or omitted), the player will be moved back	2803	map. If the map is not valid (or omitted), the player will be moved back
…		…
2284	sub cf::object::player::enter_link {	2821	sub cf::object::player::enter_link {
2285	my ($self) = @_;	2822	my ($self) = @_;
2286		2823
2287	$self->deactivate_recursive;	2824	$self->deactivate_recursive;
2288		2825
		2826	++$self->{_link_recursion};
		2827
2289	return if UNIVERSAL::isa $self->map, "ext::map_link";	2828	return if UNIVERSAL::isa $self->map, "ext::map_link";
2290		2829
2291	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2830	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2292	if $self->map && $self->map->{path} ne "{link}";	2831	if $self->map && $self->map->{path} ne "{link}";
2293		2832
2294	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2833	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2295	}	2834	}
2296		2835
2297	sub cf::object::player::leave_link {	2836	sub cf::object::player::leave_link {
2298	my ($self, $map, $x, $y) = @_;	2837	my ($self, $map, $x, $y) = @_;
2299		2838
…		…
2316	($x, $y) = (-1, -1)	2855	($x, $y) = (-1, -1)
2317	unless (defined $x) && (defined $y);	2856	unless (defined $x) && (defined $y);
2318		2857
2319	# use -1 or undef as default coordinates, not 0, 0	2858	# use -1 or undef as default coordinates, not 0, 0
2320	($x, $y) = ($map->enter_x, $map->enter_y)	2859	($x, $y) = ($map->enter_x, $map->enter_y)
2321	if $x <=0 && $y <= 0;	2860	if $x <= 0 && $y <= 0;
2322		2861
2323	$map->load;	2862	$map->load;
2324	$map->load_neighbours;
2325		2863
2326	return unless $self->contr->active;	2864	return unless $self->contr->active;
2327	$self->activate_recursive;
2328		2865
2329	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2866	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2330	$self->enter_map ($map, $x, $y);	2867	if ($self->enter_map ($map, $x, $y)) {
2331	}	2868	# entering was successful
		2869	delete $self->{_link_recursion};
		2870	# only activate afterwards, to support waiting in hooks
		2871	$self->activate_recursive;
		2872	}
2332		2873
		2874	}
		2875
2333	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2876	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2334		2877
2335	Moves the player to the given map-path and coordinates by first freezing	2878	Moves the player to the given map-path and coordinates by first freezing
2336	her, loading and preparing them map, calling the provided $check callback	2879	her, loading and preparing them map, calling the provided $check callback
2337	that has to return the map if sucecssful, and then unfreezes the player on	2880	that has to return the map if sucecssful, and then unfreezes the player on
2338	the new (success) or old (failed) map position. In either case, $done will	2881	the new (success) or old (failed) map position. In either case, $done will
2339	be called at the end of this process.	2882	be called at the end of this process.
2340		2883
		2884	Note that $check will be called with a potentially non-loaded map, so if
		2885	it needs a loaded map it has to call C<< ->load >>.
		2886
2341	=cut	2887	=cut
2342		2888
2343	our $GOTOGEN;	2889	our $GOTOGEN;
2344		2890
2345	sub cf::object::player::goto {	2891	sub cf::object::player::goto {
2346	my ($self, $path, $x, $y, $check, $done) = @_;	2892	my ($self, $path, $x, $y, $check, $done) = @_;
2347		2893
		2894	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2895	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2896	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2897	($path, $x, $y) = @$EMERGENCY_POSITION;
		2898	}
		2899
2348	# do generation counting so two concurrent goto's will be executed in-order	2900	# do generation counting so two concurrent goto's will be executed in-order
2349	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2901	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2350		2902
2351	$self->enter_link;	2903	$self->enter_link;
2352		2904
2353	(async {	2905	(async {
		2906	$Coro::current->{desc} = "player::goto $path $x $y";
		2907
		2908	# *tag paths override both path and x|y
		2909	if ($path =~ /^\*(.*)$/) {
		2910	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2911	my $ob = $obs[rand @obs];
		2912
		2913	# see if we actually can go there
		2914	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2915	$ob = $obs[rand @obs];
		2916	} else {
		2917	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2918	}
		2919	# else put us there anyways for now #d#
		2920
		2921	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2922	} else {
		2923	($path, $x, $y) = (undef, undef, undef);
		2924	}
		2925	}
		2926
2354	my $map = eval {	2927	my $map = eval {
2355	my $map = cf::map::find $path;	2928	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2356		2929
2357	if ($map) {	2930	if ($map) {
2358	$map = $map->customise_for ($self);	2931	$map = $map->customise_for ($self);
2359	$map = $check->($map) if $check && $map;	2932	$map = $check->($map, $x, $y, $self) if $check && $map;
2360	} else {	2933	} else {
2361	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2934	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2362	}	2935	}
2363		2936
2364	$map	2937	$map
2365	};	2938	};
2366		2939
…		…
2372	if ($gen == $self->{_goto_generation}) {	2945	if ($gen == $self->{_goto_generation}) {
2373	delete $self->{_goto_generation};	2946	delete $self->{_goto_generation};
2374	$self->leave_link ($map, $x, $y);	2947	$self->leave_link ($map, $x, $y);
2375	}	2948	}
2376		2949
2377	$done->() if $done;	2950	$done->($self) if $done;
2378	})->prio (1);	2951	})->prio (1);
2379	}	2952	}
2380		2953
2381	=item $player_object->enter_exit ($exit_object)	2954	=item $player_object->enter_exit ($exit_object)
2382		2955
…		…
2402	}	2975	}
2403		2976
2404	sub prepare_random_map {	2977	sub prepare_random_map {
2405	my ($exit) = @_;	2978	my ($exit) = @_;
2406		2979
2407	my $guard = cf::lock_acquire "exit_prepare:$exit";
2408
2409	# all this does is basically replace the /! path by	2980	# all this does is basically replace the /! path by
2410	# a new random map path (?random/...) with a seed	2981	# a new random map path (?random/...) with a seed
2411	# that depends on the exit object	2982	# that depends on the exit object
2412		2983
2413	my $rmp = parse_random_map_params $exit->msg;	2984	my $rmp = parse_random_map_params $exit->msg;
…		…
2415	if ($exit->map) {	2986	if ($exit->map) {
2416	$rmp->{region} = $exit->region->name;	2987	$rmp->{region} = $exit->region->name;
2417	$rmp->{origin_map} = $exit->map->path;	2988	$rmp->{origin_map} = $exit->map->path;
2418	$rmp->{origin_x} = $exit->x;	2989	$rmp->{origin_x} = $exit->x;
2419	$rmp->{origin_y} = $exit->y;	2990	$rmp->{origin_y} = $exit->y;
		2991
		2992	$exit->map->touch;
2420	}	2993	}
2421		2994
2422	$rmp->{random_seed} ||= $exit->random_seed;	2995	$rmp->{random_seed} ||= $exit->random_seed;
2423		2996
2424	my $data = cf::to_json $rmp;	2997	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2425	my $md5 = Digest::MD5::md5_hex $data;	2998	my $md5 = Digest::MD5::md5_hex $data;
2426	my $meta = "$RANDOMDIR/$md5.meta";	2999	my $meta = "$RANDOMDIR/$md5.meta";
2427		3000
2428	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3001	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2429	aio_write $fh, 0, (length $data), $data, 0;	3002	aio_write $fh, 0, (length $data), $data, 0;
2430	undef $fh;	3003	undef $fh;
2431	aio_rename "$meta~", $meta;	3004	aio_rename "$meta~", $meta;
2432		3005
		3006	my $slaying = "?random/$md5";
		3007
		3008	if ($exit->valid) {
2433	$exit->slaying ("?random/$md5");	3009	$exit->slaying ("?random/$md5");
2434	$exit->msg (undef);	3010	$exit->msg (undef);
		3011	}
2435	}	3012	}
2436	}	3013	}
2437		3014
2438	sub cf::object::player::enter_exit {	3015	sub cf::object::player::enter_exit {
2439	my ($self, $exit) = @_;	3016	my ($self, $exit) = @_;
2440		3017
2441	return unless $self->type == cf::PLAYER;	3018	return unless $self->type == cf::PLAYER;
2442		3019
2443	if ($exit->slaying eq "/!") {
2444	#TODO: this should de-fi-ni-te-ly not be a sync-job
2445	# the problem is that $exit might not survive long enough
2446	# so it needs to be done right now, right here
2447	cf::sync_job { prepare_random_map $exit };
2448	}
2449
2450	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2451	my $hp = $exit->stats->hp;
2452	my $sp = $exit->stats->sp;
2453
2454	$self->enter_link;	3020	$self->enter_link;
2455		3021
2456	# if exit is damned, update players death & WoR home-position
2457	$self->contr->savebed ($slaying, $hp, $sp)
2458	if $exit->flag (FLAG_DAMNED);
2459
2460	(async {	3022	(async {
2461	$self->deactivate_recursive; # just to be sure	3023	$Coro::current->{desc} = "enter_exit";
		3024
2462	unless (eval {	3025	unless (eval {
		3026	$self->deactivate_recursive; # just to be sure
		3027
		3028	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3029	my $x = $exit->stats->hp;
		3030	my $y = $exit->stats->sp;
		3031
		3032	# special map handling
		3033	my $slaying = $exit->slaying;
		3034
		3035	# special map handling
		3036	if ($slaying eq "/!") {
		3037	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3038
		3039	prepare_random_map $exit
		3040	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3041
		3042	$map = $exit->slaying;
		3043
		3044	} elsif ($slaying eq '!up') {
		3045	$map = $exit->map->tile_path (cf::TILE_UP);
		3046	$x = $exit->x;
		3047	$y = $exit->y;
		3048
		3049	} elsif ($slaying eq '!down') {
		3050	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3051	$x = $exit->x;
		3052	$y = $exit->y;
		3053	}
		3054
2463	$self->goto ($slaying, $hp, $sp);	3055	$self->goto ($map, $x, $y);
2464		3056
		3057	# if exit is damned, update players death & WoR home-position
		3058	$self->contr->savebed ($map, $x, $y)
		3059	if $exit->flag (cf::FLAG_DAMNED);
		3060
2465	1;	3061	1
2466	}) {	3062	}) {
2467	$self->message ("Something went wrong deep within the crossfire server. "	3063	$self->message ("Something went wrong deep within the deliantra server. "
2468	. "I'll try to bring you back to the map you were before. "	3064	. "I'll try to bring you back to the map you were before. "
2469	. "Please report this to the dungeon master!",	3065	. "Please report this to the dungeon master!",
2470	cf::NDI_UNIQUE | cf::NDI_RED);	3066	cf::NDI_UNIQUE | cf::NDI_RED);
2471		3067
2472	warn "ERROR in enter_exit: $@";	3068	error "ERROR in enter_exit: $@";
2473	$self->leave_link;	3069	$self->leave_link;
2474	}	3070	}
2475	})->prio (1);	3071	})->prio (1);
2476	}	3072	}
2477		3073
2478	=head3 cf::client	3074	=head3 cf::client
2479		3075
2480	=over 4	3076	=over 4
2481		3077
2482	=item $client->send_drawinfo ($text, $flags)	3078	=item $client->send_big_packet ($pkt)
2483		3079
2484	Sends a drawinfo packet to the client. Circumvents output buffering so	3080	Like C<send_packet>, but tries to compress large packets, and fragments
2485	should not be used under normal circumstances.	3081	them as required.
2486		3082
2487	=cut	3083	=cut
2488		3084
		3085	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3086
2489	sub cf::client::send_drawinfo {	3087	sub cf::client::send_big_packet {
2490	my ($self, $text, $flags) = @_;	3088	my ($self, $pkt) = @_;
2491		3089
2492	utf8::encode $text;	3090	# try lzf for large packets
2493	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3091	$pkt = "lzf " . Compress::LZF::compress $pkt
		3092	if 1024 <= length $pkt and $self->{can_lzf};
		3093
		3094	# split very large packets
		3095	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3096	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3097	$pkt = "frag";
		3098	}
		3099
		3100	$self->send_packet ($pkt);
2494	}	3101	}
2495		3102
2496	=item $client->send_msg ($channel, $msg, $color, [extra...])	3103	=item $client->send_msg ($channel, $msg, $color, [extra...])
2497		3104
2498	Send a drawinfo or msg packet to the client, formatting the msg for the	3105	Send a msg packet to the client, formatting the msg for the client if
2499	client if neccessary. C<$type> should be a string identifying the type of	3106	necessary. C<$type> should be a string identifying the type of the
2500	the message, with C<log> being the default. If C<$color> is negative, suppress	3107	message, with C<log> being the default. If C<$color> is negative, suppress
2501	the message unless the client supports the msg packet.	3108	the message unless the client supports the msg packet.
2502		3109
2503	=cut	3110	=cut
		3111
		3112	# non-persistent channels (usually the info channel)
		3113	our %CHANNEL = (
		3114	"c/motd" => {
		3115	id => "infobox",
		3116	title => "MOTD",
		3117	reply => undef,
		3118	tooltip => "The message of the day",
		3119	},
		3120	"c/identify" => {
		3121	id => "infobox",
		3122	title => "Identify",
		3123	reply => undef,
		3124	tooltip => "Items recently identified",
		3125	},
		3126	"c/examine" => {
		3127	id => "infobox",
		3128	title => "Examine",
		3129	reply => undef,
		3130	tooltip => "Signs and other items you examined",
		3131	},
		3132	"c/shopinfo" => {
		3133	id => "infobox",
		3134	title => "Shop Info",
		3135	reply => undef,
		3136	tooltip => "What your bargaining skill tells you about the shop",
		3137	},
		3138	"c/book" => {
		3139	id => "infobox",
		3140	title => "Book",
		3141	reply => undef,
		3142	tooltip => "The contents of a note or book",
		3143	},
		3144	"c/lookat" => {
		3145	id => "infobox",
		3146	title => "Look",
		3147	reply => undef,
		3148	tooltip => "What you saw there",
		3149	},
		3150	"c/who" => {
		3151	id => "infobox",
		3152	title => "Players",
		3153	reply => undef,
		3154	tooltip => "Shows players who are currently online",
		3155	},
		3156	"c/body" => {
		3157	id => "infobox",
		3158	title => "Body Parts",
		3159	reply => undef,
		3160	tooltip => "Shows which body parts you posess and are available",
		3161	},
		3162	"c/statistics" => {
		3163	id => "infobox",
		3164	title => "Statistics",
		3165	reply => undef,
		3166	tooltip => "Shows your primary statistics",
		3167	},
		3168	"c/skills" => {
		3169	id => "infobox",
		3170	title => "Skills",
		3171	reply => undef,
		3172	tooltip => "Shows your experience per skill and item power",
		3173	},
		3174	"c/shopitems" => {
		3175	id => "infobox",
		3176	title => "Shop Items",
		3177	reply => undef,
		3178	tooltip => "Shows the items currently for sale in this shop",
		3179	},
		3180	"c/resistances" => {
		3181	id => "infobox",
		3182	title => "Resistances",
		3183	reply => undef,
		3184	tooltip => "Shows your resistances",
		3185	},
		3186	"c/pets" => {
		3187	id => "infobox",
		3188	title => "Pets",
		3189	reply => undef,
		3190	tooltip => "Shows information abotu your pets/a specific pet",
		3191	},
		3192	"c/perceiveself" => {
		3193	id => "infobox",
		3194	title => "Perceive Self",
		3195	reply => undef,
		3196	tooltip => "You gained detailed knowledge about yourself",
		3197	},
		3198	"c/uptime" => {
		3199	id => "infobox",
		3200	title => "Uptime",
		3201	reply => undef,
		3202	tooltip => "How long the server has been running since last restart",
		3203	},
		3204	"c/mapinfo" => {
		3205	id => "infobox",
		3206	title => "Map Info",
		3207	reply => undef,
		3208	tooltip => "Information related to the maps",
		3209	},
		3210	"c/party" => {
		3211	id => "party",
		3212	title => "Party",
		3213	reply => "gsay ",
		3214	tooltip => "Messages and chat related to your party",
		3215	},
		3216	"c/death" => {
		3217	id => "death",
		3218	title => "Death",
		3219	reply => undef,
		3220	tooltip => "Reason for and more info about your most recent death",
		3221	},
		3222	"c/fatal" => {
		3223	id => "fatal",
		3224	title => "Fatal Error",
		3225	reply => undef,
		3226	tooltip => "Reason for the server disconnect",
		3227	},
		3228	"c/say" => $SAY_CHANNEL,
		3229	"c/chat" => $CHAT_CHANNEL,
		3230	);
2504		3231
2505	sub cf::client::send_msg {	3232	sub cf::client::send_msg {
2506	my ($self, $channel, $msg, $color, @extra) = @_;	3233	my ($self, $channel, $msg, $color, @extra) = @_;
2507		3234
2508	$msg = $self->pl->expand_cfpod ($msg);	3235	$msg = $self->pl->expand_cfpod ($msg)
		3236	unless $color & cf::NDI_VERBATIM;
2509		3237
2510	$color &= cf::NDI_CLIENT_MASK; # just in case...	3238	$color &= cf::NDI_CLIENT_MASK; # just in case...
2511		3239
		3240	# check predefined channels, for the benefit of C
		3241	if ($CHANNEL{$channel}) {
		3242	$channel = $CHANNEL{$channel};
		3243
		3244	$self->ext_msg (channel_info => $channel);
		3245	$channel = $channel->{id};
		3246
2512	if (ref $channel) {	3247	} elsif (ref $channel) {
2513	# send meta info to client, if not yet sent	3248	# send meta info to client, if not yet sent
2514	unless (exists $self->{channel}{$channel->{id}}) {	3249	unless (exists $self->{channel}{$channel->{id}}) {
2515	$self->{channel}{$channel->{id}} = $channel;	3250	$self->{channel}{$channel->{id}} = $channel;
2516	$self->ext_msg (channel_info => $channel);	3251	$self->ext_msg (channel_info => $channel);
2517	}	3252	}
…		…
2519	$channel = $channel->{id};	3254	$channel = $channel->{id};
2520	}	3255	}
2521		3256
2522	return unless @extra || length $msg;	3257	return unless @extra || length $msg;
2523		3258
2524	if ($self->can_msg) {
2525	# default colour, mask it out	3259	# default colour, mask it out
2526	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3260	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2527	if $color & cf::NDI_DEF;	3261	if $color & cf::NDI_DEF;
2528		3262
2529	$self->send_packet ("msg " . $self->{json_coder}->encode (	3263	my $pkt = "msg "
		3264	. $self->{json_coder}->encode (
2530	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3265	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2531	} else {	3266	);
2532	if ($color >= 0) {
2533	# replace some tags by gcfclient-compatible ones
2534	for ($msg) {
2535	1 while
2536	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2537	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2538	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2539	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2540	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2541	}
2542		3267
2543	$color &= cf::NDI_COLOR_MASK;	3268	$self->send_big_packet ($pkt);
2544
2545	utf8::encode $msg;
2546
2547	if (0 && $msg =~ /\[/) {
2548	# COMMAND/INFO
2549	$self->send_packet ("drawextinfo $color 10 8 $msg")
2550	} else {
2551	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2552	$self->send_packet ("drawinfo $color $msg")
2553	}
2554	}
2555	}
2556	}	3269	}
2557		3270
2558	=item $client->ext_msg ($type, @msg)	3271	=item $client->ext_msg ($type, @msg)
2559		3272
2560	Sends an ext event to the client.	3273	Sends an ext event to the client.
…		…
2562	=cut	3275	=cut
2563		3276
2564	sub cf::client::ext_msg($$@) {	3277	sub cf::client::ext_msg($$@) {
2565	my ($self, $type, @msg) = @_;	3278	my ($self, $type, @msg) = @_;
2566		3279
2567	if ($self->extcmd == 2) {
2568	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3280	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2569	} elsif ($self->extcmd == 1) { # TODO: remove
2570	push @msg, msgtype => "event_$type";
2571	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2572	}
2573	}
2574
2575	=item $client->ext_reply ($msgid, @msg)
2576
2577	Sends an ext reply to the client.
2578
2579	=cut
2580
2581	sub cf::client::ext_reply($$@) {
2582	my ($self, $id, @msg) = @_;
2583
2584	if ($self->extcmd == 2) {
2585	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2586	} elsif ($self->extcmd == 1) {
2587	#TODO: version 1, remove
2588	unshift @msg, msgtype => "reply", msgid => $id;
2589	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2590	}
2591	}	3281	}
2592		3282
2593	=item $success = $client->query ($flags, "text", \&cb)	3283	=item $success = $client->query ($flags, "text", \&cb)
2594		3284
2595	Queues a query to the client, calling the given callback with	3285	Queues a query to the client, calling the given callback with
…		…
2615		3305
2616	$self->send_packet ($self->{query_queue}[0][0])	3306	$self->send_packet ($self->{query_queue}[0][0])
2617	if @{ $self->{query_queue} } == 1;	3307	if @{ $self->{query_queue} } == 1;
2618		3308
2619	1	3309	1
		3310	}
		3311
		3312	=item $client->update_command_faces
		3313
		3314	=cut
		3315
		3316	our %COMMAND_FACE;
		3317
		3318	sub cf::client::update_command_faces {
		3319	my ($self) = @_;
		3320
		3321	my @faces = grep $_,
		3322	$COMMAND_FACE{preferred},
		3323	$COMMAND_FACE{standard},
		3324	$COMMAND_FACE{skill},
		3325	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3326	$COMMAND_FACE{emote},
		3327	;
		3328
		3329	$self->send_face ($_)
		3330	for @faces;
		3331	$self->flush_fx;
		3332
		3333	$self->ext_msg (command_list => @faces);
		3334	}
		3335
		3336	=item cf::client::set_command_face $type, $commands
		3337
		3338	=cut
		3339
		3340	sub cf::client::set_command_face {
		3341	my ($type, $list) = @_;
		3342
		3343	my $idx = &cf::face::set ( #d# ugly forward reference
		3344	"command_list/$type" => cf::FT_RSRC,
		3345	JSON::XS->new->utf8->encode ([ sort @$list ])
		3346	);
		3347
		3348	$COMMAND_FACE{$type} = $idx;
2620	}	3349	}
2621		3350
2622	cf::client->attach (	3351	cf::client->attach (
2623	on_connect => sub {	3352	on_connect => sub {
2624	my ($ns) = @_;	3353	my ($ns) = @_;
…		…
2650	my ($ns, $buf) = @_;	3379	my ($ns, $buf) = @_;
2651		3380
2652	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3381	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2653		3382
2654	if (ref $msg) {	3383	if (ref $msg) {
2655	my ($type, $reply, @payload) =	3384	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2656	"ARRAY" eq ref $msg
2657	? @$msg
2658	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2659		3385
2660	my @reply;
2661
2662	if (my $cb = $EXTICMD{$type}) {	3386	if (my $cb = $EXTIACMD{$type}) {
		3387	$cb->(
		3388	$ns,
		3389	sub {
		3390	$ns->ext_msg ("reply-$reply", @_)
		3391	if $reply;
		3392	},
		3393	@payload
		3394	);
		3395	} else {
		3396	my @reply;
		3397
		3398	if (my $cb = $EXTICMD{$type}) {
2663	@reply = $cb->($ns, @payload);	3399	@reply = $cb->($ns, @payload);
		3400	}
		3401
		3402	$ns->ext_msg ("reply-$reply", @reply)
		3403	if $reply;
2664	}	3404	}
2665
2666	$ns->ext_reply ($reply, @reply)
2667	if $reply;
2668
2669	} else {	3405	} else {
2670	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3406	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2671	}	3407	}
2672		3408
2673	cf::override;	3409	cf::override;
2674	},	3410	},
2675	);	3411	);
…		…
2695		3431
2696	$coro	3432	$coro
2697	}	3433	}
2698		3434
2699	cf::client->attach (	3435	cf::client->attach (
2700	on_destroy => sub {	3436	on_client_destroy => sub {
2701	my ($ns) = @_;	3437	my ($ns) = @_;
2702		3438
2703	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3439	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2704	},	3440	},
2705	);	3441	);
…		…
2721	our $safe_hole = new Safe::Hole;	3457	our $safe_hole = new Safe::Hole;
2722		3458
2723	$SIG{FPE} = 'IGNORE';	3459	$SIG{FPE} = 'IGNORE';
2724		3460
2725	$safe->permit_only (Opcode::opset qw(	3461	$safe->permit_only (Opcode::opset qw(
2726	:base_core :base_mem :base_orig :base_math	3462	:base_core :base_mem :base_orig :base_math :base_loop
2727	grepstart grepwhile mapstart mapwhile	3463	grepstart grepwhile mapstart mapwhile
2728	sort time	3464	sort time
2729	));	3465	));
2730		3466
2731	# here we export the classes and methods available to script code	3467	# here we export the classes and methods available to script code
…		…
2733	=pod	3469	=pod
2734		3470
2735	The following functions and methods are available within a safe environment:	3471	The following functions and methods are available within a safe environment:
2736		3472
2737	cf::object	3473	cf::object
2738	contr pay_amount pay_player map x y force_find force_add	3474	contr pay_amount pay_player map x y force_find force_add destroy
2739	insert remove name archname title slaying race decrease_ob_nr	3475	insert remove name archname title slaying race decrease split
		3476	value
2740		3477
2741	cf::object::player	3478	cf::object::player
2742	player	3479	player
2743		3480
2744	cf::player	3481	cf::player
…		…
2749		3486
2750	=cut	3487	=cut
2751		3488
2752	for (	3489	for (
2753	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3490	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2754	insert remove inv name archname title slaying race	3491	insert remove inv nrof name archname title slaying race
2755	decrease_ob_nr)],	3492	decrease split destroy change_exp value msg lore send_msg)],
2756	["cf::object::player" => qw(player)],	3493	["cf::object::player" => qw(player)],
2757	["cf::player" => qw(peaceful)],	3494	["cf::player" => qw(peaceful send_msg)],
2758	["cf::map" => qw(trigger)],	3495	["cf::map" => qw(trigger)],
2759	) {	3496	) {
2760	no strict 'refs';
2761	my ($pkg, @funs) = @$_;	3497	my ($pkg, @funs) = @$_;
2762	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3498	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2763	for @funs;	3499	for @funs;
2764	}	3500	}
2765		3501
…		…
2780		3516
2781	my $qcode = $code;	3517	my $qcode = $code;
2782	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3518	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2783	$qcode =~ s/\n/\\n/g;	3519	$qcode =~ s/\n/\\n/g;
2784		3520
		3521	%vars = (_dummy => 0) unless %vars;
		3522
		3523	my @res;
2785	local $_;	3524	local $_;
2786	local @safe::cf::_safe_eval_args = values %vars;
2787		3525
2788	my $eval =	3526	my $eval =
2789	"do {\n"	3527	"do {\n"
2790	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3528	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2791	. "#line 0 \"{$qcode}\"\n"	3529	. "#line 0 \"{$qcode}\"\n"
2792	. $code	3530	. $code
2793	. "\n}"	3531	. "\n}"
2794	;	3532	;
2795		3533
		3534	if ($CFG{safe_eval}) {
2796	sub_generation_inc;	3535	sub_generation_inc;
		3536	local @safe::cf::_safe_eval_args = values %vars;
2797	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3537	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2798	sub_generation_inc;	3538	sub_generation_inc;
		3539	} else {
		3540	local @cf::_safe_eval_args = values %vars;
		3541	@res = wantarray ? eval eval : scalar eval $eval;
		3542	}
2799		3543
2800	if ($@) {	3544	if ($@) {
2801	warn "$@";	3545	warn "$@",
2802	warn "while executing safe code '$code'\n";	3546	"while executing safe code '$code'\n",
2803	warn "with arguments " . (join " ", %vars) . "\n";	3547	"with arguments " . (join " ", %vars) . "\n";
2804	}	3548	}
2805		3549
2806	wantarray ? @res : $res[0]	3550	wantarray ? @res : $res[0]
2807	}	3551	}
2808		3552
…		…
2822	=cut	3566	=cut
2823		3567
2824	sub register_script_function {	3568	sub register_script_function {
2825	my ($fun, $cb) = @_;	3569	my ($fun, $cb) = @_;
2826		3570
2827	no strict 'refs';	3571	$fun = "safe::$fun" if $CFG{safe_eval};
2828	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3572	*$fun = $safe_hole->wrap ($cb);
2829	}	3573	}
2830		3574
2831	=back	3575	=back
2832		3576
2833	=cut	3577	=cut
2834		3578
2835	#############################################################################	3579	#############################################################################
2836	# the server's init and main functions	3580	# the server's init and main functions
2837		3581
		3582	{
		3583	package cf::face;
		3584
		3585	our %HASH; # hash => idx
		3586	our @DATA; # dynamically-created facedata, only faceste 0 used
		3587	our @FOFS; # file offset, if > 0
		3588	our @SIZE; # size of face, in octets
		3589	our @META; # meta hash of face, if any
		3590	our $DATAFH; # facedata filehandle
		3591
		3592	# internal api, not finalised
		3593	sub set {
		3594	my ($name, $type, $data) = @_;
		3595
		3596	my $idx = cf::face::find $name;
		3597
		3598	if ($idx) {
		3599	delete $HASH{cf::face::get_csum $idx};
		3600	} else {
		3601	$idx = cf::face::alloc $name;
		3602	}
		3603
		3604	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3605
		3606	cf::face::set_type $idx, $type;
		3607	cf::face::set_csum $idx, 0, $hash;
		3608
		3609	# we need to destroy the SV itself, not just modify it, as a running ix
		3610	# might hold a reference to it: "delete" achieves that.
		3611	delete $FOFS[0][$idx];
		3612	delete $DATA[0][$idx];
		3613	$DATA[0][$idx] = $data;
		3614	$SIZE[0][$idx] = length $data;
		3615	delete $META[$idx];
		3616	$HASH{$hash} = $idx;#d#
		3617
		3618	$idx
		3619	}
		3620
		3621	sub _get_data($$$) {
		3622	my ($idx, $set, $cb) = @_;
		3623
		3624	if (defined $DATA[$set][$idx]) {
		3625	$cb->($DATA[$set][$idx]);
		3626	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3627	my $size = $SIZE[$set][$idx];
		3628	my $buf;
		3629	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3630	if ($_[0] == $size) {
		3631	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3632	$cb->($buf);
		3633	} else {
		3634	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3635	}
		3636	};
		3637	} else {
		3638	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3639	}
		3640	}
		3641
		3642	# rather ineffient
		3643	sub cf::face::get_data($;$) {
		3644	my ($idx, $set) = @_;
		3645
		3646	_get_data $idx, $set, Coro::rouse_cb;
		3647	Coro::rouse_wait
		3648	}
		3649
		3650	sub cf::face::ix {
		3651	my ($ns, $set, $idx, $pri) = @_;
		3652
		3653	_get_data $idx, $set, sub {
		3654	$ns->ix_send ($idx, $pri, $_[0]);
		3655	};
		3656	}
		3657	}
		3658
2838	sub load_facedata($) {	3659	sub load_facedata($) {
2839	my ($path) = @_;	3660	my ($path) = @_;
2840		3661
2841	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3662	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2842		3663
2843	warn "loading facedata from $path\n";	3664	trace "loading facedata from $path\n";
2844		3665
2845	my $facedata;	3666	my $facedata = decode_storable load_file "$path/faceinfo";
2846	0 < aio_load $path, $facedata
2847	or die "$path: $!";
2848
2849	$facedata = Coro::Storable::thaw $facedata;
2850		3667
2851	$facedata->{version} == 2	3668	$facedata->{version} == 2
2852	or cf::cleanup "$path: version mismatch, cannot proceed.";	3669	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
2853		3670
2854	# patch in the exptable	3671	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
2855	$facedata->{resource}{"res/exp_table"} = {	3672	or cf::cleanup "$path/facedata: $!, cannot proceed.";
2856	type => FT_RSRC,	3673
2857	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3674	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
2858	};	3675
2859	cf::cede_to_tick;	3676	# BEGIN ATOMIC
		3677	# from here on, everything must be atomic - no thread switch allowed
		3678	my $t1 = EV::time;
2860		3679
2861	{	3680	{
2862	my $faces = $facedata->{faceinfo};	3681	my $faces = $facedata->{faceinfo};
2863		3682
2864	while (my ($face, $info) = each %$faces) {	3683	for my $face (sort keys %$faces) {
		3684	my $info = $faces->{$face};
2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3685	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3686
2866	cf::face::set_visibility $idx, $info->{visibility};	3687	cf::face::set_visibility $idx, $info->{visibility};
2867	cf::face::set_magicmap $idx, $info->{magicmap};	3688	cf::face::set_magicmap $idx, $info->{magicmap};
2868	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3689	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2869	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3690	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
2870		3691	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
2871	cf::cede_to_tick;	3692	$cf::face::HASH{$info->{hash64}} = $idx;
		3693	delete $cf::face::META[$idx];
2872	}	3694	}
2873		3695
2874	while (my ($face, $info) = each %$faces) {	3696	while (my ($face, $info) = each %$faces) {
2875	next unless $info->{smooth};	3697	next unless $info->{smooth};
		3698
2876	my $idx = cf::face::find $face	3699	my $idx = cf::face::find $face
2877	or next;	3700	or next;
		3701
2878	if (my $smooth = cf::face::find $info->{smooth}) {	3702	if (my $smooth = cf::face::find $info->{smooth}) {
2879	cf::face::set_smooth $idx, $smooth;	3703	cf::face::set_smooth $idx, $smooth;
2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3704	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2881	} else {	3705	} else {
2882	warn "smooth face '$info->{smooth}' not found for face '$face'";	3706	error "smooth face '$info->{smooth}' not found for face '$face'";
2883	}	3707	}
2884
2885	cf::cede_to_tick;
2886	}	3708	}
2887	}	3709	}
2888		3710
2889	{	3711	{
2890	my $anims = $facedata->{animinfo};	3712	my $anims = $facedata->{animinfo};
2891		3713
2892	while (my ($anim, $info) = each %$anims) {	3714	while (my ($anim, $info) = each %$anims) {
2893	cf::anim::set $anim, $info->{frames}, $info->{facings};	3715	cf::anim::set $anim, $info->{frames}, $info->{facings};
2894	cf::cede_to_tick;
2895	}	3716	}
2896		3717
2897	cf::anim::invalidate_all; # d'oh	3718	cf::anim::invalidate_all; # d'oh
2898	}	3719	}
2899		3720
2900	{	3721	{
2901	# TODO: for gcfclient pleasure, we should give resources
2902	# that gcfclient doesn't grok a >10000 face index.
2903	my $res = $facedata->{resource};	3722	my $res = $facedata->{resource};
2904		3723
2905	my $soundconf = delete $res->{"res/sound.conf"};
2906
2907	while (my ($name, $info) = each %$res) {	3724	while (my ($name, $info) = each %$res) {
		3725	if (defined (my $type = $info->{type})) {
		3726	# TODO: different hash - must free and use new index, or cache ixface data queue
2908	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3727	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2909	my $data;
2910		3728
2911	if ($info->{type} & 1) {	3729	cf::face::set_type $idx, $type;
2912	# prepend meta info	3730	cf::face::set_csum $idx, 0, $info->{hash};
2913		3731	$cf::face::SIZE[0][$idx] = $info->{size};
2914	my $meta = $enc->encode ({	3732	$cf::face::FOFS[0][$idx] = $info->{fofs};
2915	name => $name,	3733	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
2916	%{ $info->{meta} || {} },	3734	$cf::face::HASH{$info->{hash}} = $idx;
2917	});
2918
2919	$data = pack "(w/a*)*", $meta, $info->{data};
2920	} else {	3735	} else {
2921	$data = $info->{data};	3736	# $RESOURCE{$name} = $info; # unused
2922	}	3737	}
2923
2924	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2925	cf::face::set_type $idx, $info->{type};
2926
2927	cf::cede_to_tick;
2928	}
2929
2930	if ($soundconf) {
2931	$soundconf = $enc->decode (delete $soundconf->{data});
2932
2933	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2934	my $sound = $soundconf->{compat}[$_]
2935	or next;
2936
2937	my $face = cf::face::find "sound/$sound->[1]";
2938	cf::sound::set $sound->[0] => $face;
2939	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2940	}	3738	}
2941
2942	while (my ($k, $v) = each %{$soundconf->{event}}) {
2943	my $face = cf::face::find "sound/$v";
2944	cf::sound::set $k => $face;
2945	}
2946	}
2947	}	3739	}
		3740
		3741	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3742
		3743	# HACK to clear player env face cache, we need some signal framework
		3744	# for this (global event?)
		3745	%ext::player_env::MUSIC_FACE_CACHE = ();
		3746
		3747	# END ATOMIC
		3748
		3749	cf::debug "facedata atomic update time ", EV::time - $t1;
		3750
		3751	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3752
		3753	aio_close $fh if $fh; # close old facedata
2948		3754
2949	1	3755	1
2950	}	3756	}
2951		3757
2952	register_exticmd fx_want => sub {	3758	register_exticmd fx_want => sub {
…		…
2955	while (my ($k, $v) = each %$want) {	3761	while (my ($k, $v) = each %$want) {
2956	$ns->fx_want ($k, $v);	3762	$ns->fx_want ($k, $v);
2957	}	3763	}
2958	};	3764	};
2959		3765
		3766	sub load_resource_file($) {
		3767	my $guard = lock_acquire "load_resource_file";
		3768
		3769	my $status = load_resource_file_ $_[0];
		3770	get_slot 0.1, 100;
		3771	cf::arch::commit_load;
		3772
		3773	$status
		3774	}
		3775
		3776	sub reload_exp_table {
		3777	_reload_exp_table;
		3778
		3779	cf::face::set
		3780	"res/exp_table" => FT_RSRC,
		3781	JSON::XS->new->utf8->canonical->encode (
		3782	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3783	);
		3784	}
		3785
		3786	sub reload_materials {
		3787	_reload_materials;
		3788	}
		3789
2960	sub reload_regions {	3790	sub reload_regions {
		3791	# HACK to clear player env face cache, we need some signal framework
		3792	# for this (global event?)
		3793	%ext::player_env::MUSIC_FACE_CACHE = ();
		3794
2961	load_resource_file "$MAPDIR/regions"	3795	load_resource_file "$MAPDIR/regions"
2962	or die "unable to load regions file\n";	3796	or die "unable to load regions file\n";
2963		3797
2964	for (cf::region::list) {	3798	for (cf::region::list) {
2965	$_->{match} = qr/$_->{match}/	3799	$_->{match} = qr/$_->{match}/
2966	if exists $_->{match};	3800	if exists $_->{match};
2967	}	3801	}
2968	}	3802	}
2969		3803
2970	sub reload_facedata {	3804	sub reload_facedata {
2971	load_facedata "$DATADIR/facedata"	3805	load_facedata $DATADIR
2972	or die "unable to load facedata\n";	3806	or die "unable to load facedata\n";
2973	}	3807	}
2974		3808
2975	sub reload_archetypes {	3809	sub reload_archetypes {
2976	load_resource_file "$DATADIR/archetypes"	3810	load_resource_file "$DATADIR/archetypes"
2977	or die "unable to load archetypes\n";	3811	or die "unable to load archetypes\n";
2978	#d# NEED to laod twice to resolve forward references	3812
2979	# this really needs to be done in an extra post-pass	3813	cf::face::set
2980	# (which needs to be synchronous, so solve it differently)	3814	"res/skill_info" => FT_RSRC,
2981	load_resource_file "$DATADIR/archetypes"	3815	JSON::XS->new->utf8->canonical->encode (
2982	or die "unable to load archetypes\n";	3816	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3817	);
		3818
		3819	cf::face::set
		3820	"res/spell_paths" => FT_RSRC,
		3821	JSON::XS->new->utf8->canonical->encode (
		3822	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3823	);
		3824
		3825	# command completion
		3826	my @commands;
		3827
		3828	for (0..cf::arch::skillvec_size - 1) {
		3829	my $skill = cf::arch::skillvec $_;
		3830	my $name = $skill->name;
		3831	my $flags = cf::skill_flags $skill->subtype;
		3832
		3833	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3834	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3835	}
		3836
		3837	cf::client::set_command_face skill => \@commands;
2983	}	3838	}
2984		3839
2985	sub reload_treasures {	3840	sub reload_treasures {
2986	load_resource_file "$DATADIR/treasures"	3841	load_resource_file "$DATADIR/treasures"
2987	or die "unable to load treasurelists\n";	3842	or die "unable to load treasurelists\n";
2988	}	3843	}
2989		3844
		3845	sub reload_sound {
		3846	trace "loading sound config from $DATADIR/sound\n";
		3847
		3848	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3849
		3850	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3851	my $sound = $soundconf->{compat}[$_]
		3852	or next;
		3853
		3854	my $face = cf::face::find "sound/$sound->[1]";
		3855	cf::sound::set $sound->[0] => $face;
		3856	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3857	}
		3858
		3859	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3860	my $face = cf::face::find "sound/$v";
		3861	cf::sound::set $k => $face;
		3862	}
		3863	}
		3864
2990	sub reload_resources {	3865	sub reload_resources {
2991	warn "reloading resource files...\n";	3866	trace "reloading resource files...\n";
2992		3867
		3868	reload_materials;
		3869	reload_facedata;
		3870	reload_exp_table;
		3871	reload_sound;
		3872	reload_archetypes;
2993	reload_regions;	3873	reload_regions;
2994	reload_facedata;
2995	#reload_archetypes;#d#
2996	reload_archetypes;
2997	reload_treasures;	3874	reload_treasures;
2998		3875
2999	warn "finished reloading resource files\n";	3876	trace "finished reloading resource files\n";
3000	}
3001
3002	sub init {
3003	reload_resources;
3004	}	3877	}
3005		3878
3006	sub reload_config {	3879	sub reload_config {
3007	open my $fh, "<:utf8", "$CONFDIR/config"	3880	trace "reloading config file...\n";
3008	or return;
3009		3881
3010	local $/;	3882	my $config = load_file "$CONFDIR/config";
3011	*CFG = YAML::Syck::Load <$fh>;	3883	utf8::decode $config;
		3884	*CFG = decode_yaml $config;
3012		3885
3013	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3886	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3014		3887
3015	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3888	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3016	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3889	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3017		3890
3018	if (exists $CFG{mlockall}) {	3891	if (exists $CFG{mlockall}) {
…		…
3022	};	3895	};
3023	warn $@ if $@;	3896	warn $@ if $@;
3024	}	3897	}
3025	}	3898	}
3026		3899
		3900	sub pidfile() {
		3901	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3902	or die "$PIDFILE: $!";
		3903	flock $fh, &Fcntl::LOCK_EX
		3904	or die "$PIDFILE: flock: $!";
		3905	$fh
		3906	}
		3907
		3908	# make sure only one server instance is running at any one time
		3909	sub atomic {
		3910	my $fh = pidfile;
		3911
		3912	my $pid = <$fh>;
		3913	kill 9, $pid if $pid > 0;
		3914
		3915	seek $fh, 0, 0;
		3916	print $fh $$;
		3917	}
		3918
		3919	sub main_loop {
		3920	trace "EV::run starting\n";
		3921	if (1) {
		3922	EV::run;
		3923	}
		3924	trace "EV::run returned\n";
		3925	goto &main_loop unless $REALLY_UNLOOP;
		3926	}
		3927
3027	sub main {	3928	sub main {
		3929	cf::init_globals; # initialise logging
		3930
		3931	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3932	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3933	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3934	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3935
		3936	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3937
3028	# we must not ever block the main coroutine	3938	# we must not ever block the main coroutine
3029	local $Coro::idle = sub {	3939	$Coro::idle = sub {
3030	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3940	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3031	(async {	3941	(async {
3032	Event::one_event;	3942	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3943	EV::run EV::RUN_ONESHOT;
3033	})->prio (Coro::PRIO_MAX);	3944	})->prio (Coro::PRIO_MAX);
3034	};	3945	};
3035		3946
		3947	evthread_start IO::AIO::poll_fileno;
		3948
		3949	cf::sync_job {
		3950	cf::incloader::init ();
		3951
		3952	db_init;
		3953
		3954	cf::init_anim;
		3955	cf::init_attackmess;
		3956	cf::init_dynamic;
		3957
		3958	cf::load_settings;
		3959
		3960	reload_resources;
3036	reload_config;	3961	reload_config;
3037	db_init;	3962
		3963	cf::init_uuid;
		3964	cf::init_signals;
		3965	cf::init_skills;
		3966
		3967	cf::init_beforeplay;
		3968
		3969	atomic;
		3970
3038	load_extensions;	3971	load_extensions;
3039		3972
3040	$TICK_WATCHER->start;	3973	utime time, time, $RUNTIMEFILE;
3041	Event::loop;	3974
		3975	# no (long-running) fork's whatsoever before this point(!)
		3976	use POSIX ();
		3977	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3978
		3979	cf::_post_init 0;
		3980	};
		3981
		3982	cf::object::thawer::errors_are_fatal 0;
		3983	info "parse errors in files are no longer fatal from this point on.\n";
		3984
		3985	AE::postpone {
		3986	undef &main; # free gobs of memory :)
		3987	};
		3988
		3989	goto &main_loop;
3042	}	3990	}
3043		3991
3044	#############################################################################	3992	#############################################################################
3045	# initialisation and cleanup	3993	# initialisation and cleanup
3046		3994
3047	# install some emergency cleanup handlers	3995	# install some emergency cleanup handlers
3048	BEGIN {	3996	BEGIN {
		3997	our %SIGWATCHER = ();
3049	for my $signal (qw(INT HUP TERM)) {	3998	for my $signal (qw(INT HUP TERM)) {
3050	Event->signal (	3999	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3051	reentrant => 0,
3052	data => WF_AUTOCANCEL,
3053	signal => $signal,
3054	prio => 0,
3055	cb => sub {
3056	cf::cleanup "SIG$signal";	4000	cf::cleanup "SIG$signal";
3057	},
3058	);	4001	};
3059	}	4002	}
3060	}	4003	}
3061		4004
3062	sub write_runtime {	4005	sub write_runtime_sync {
3063	my $runtime = "$LOCALDIR/runtime";	4006	my $t0 = AE::time;
3064		4007
3065	# first touch the runtime file to show we are still running:	4008	# first touch the runtime file to show we are still running:
3066	# the fsync below can take a very very long time.	4009	# the fsync below can take a very very long time.
3067		4010
3068	IO::AIO::aio_utime $runtime, undef, undef;	4011	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3069		4012
3070	my $guard = cf::lock_acquire "write_runtime";	4013	my $guard = cf::lock_acquire "write_runtime";
3071		4014
3072	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4015	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3073	or return;	4016	or return;
3074		4017
3075	my $value = $cf::RUNTIME + 90 + 10;	4018	my $value = $cf::RUNTIME + 90 + 10;
3076	# 10 is the runtime save interval, for a monotonic clock	4019	# 10 is the runtime save interval, for a monotonic clock
3077	# 60 allows for the watchdog to kill the server.	4020	# 60 allows for the watchdog to kill the server.
…		…
3087	aio_utime $fh, undef, undef;	4030	aio_utime $fh, undef, undef;
3088		4031
3089	close $fh	4032	close $fh
3090	or return;	4033	or return;
3091		4034
3092	aio_rename "$runtime~", $runtime	4035	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3093	and return;	4036	and return;
3094		4037
3095	warn "runtime file written.\n";	4038	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3096		4039
3097	1	4040	1
		4041	}
		4042
		4043	our $uuid_lock;
		4044	our $uuid_skip;
		4045
		4046	sub write_uuid_sync($) {
		4047	$uuid_skip ||= $_[0];
		4048
		4049	return if $uuid_lock;
		4050	local $uuid_lock = 1;
		4051
		4052	my $uuid = "$LOCALDIR/uuid";
		4053
		4054	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4055	or return;
		4056
		4057	my $value = uuid_seq uuid_cur;
		4058
		4059	unless ($value) {
		4060	info "cowardly refusing to write zero uuid value!\n";
		4061	return;
		4062	}
		4063
		4064	my $value = uuid_str $value + $uuid_skip;
		4065	$uuid_skip = 0;
		4066
		4067	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4068	and return;
		4069
		4070	# always fsync - this file is important
		4071	aio_fsync $fh
		4072	and return;
		4073
		4074	close $fh
		4075	or return;
		4076
		4077	aio_rename "$uuid~", $uuid
		4078	and return;
		4079
		4080	trace "uuid file written ($value).\n";
		4081
		4082	1
		4083
		4084	}
		4085
		4086	sub write_uuid($$) {
		4087	my ($skip, $sync) = @_;
		4088
		4089	$sync ? write_uuid_sync $skip
		4090	: async { write_uuid_sync $skip };
3098	}	4091	}
3099		4092
3100	sub emergency_save() {	4093	sub emergency_save() {
3101	my $freeze_guard = cf::freeze_mainloop;	4094	my $freeze_guard = cf::freeze_mainloop;
3102		4095
3103	warn "enter emergency perl save\n";	4096	info "emergency_perl_save: enter\n";
		4097
		4098	# this is a trade-off: we want to be very quick here, so
		4099	# save all maps without fsync, and later call a global sync
		4100	# (which in turn might be very very slow)
		4101	local $USE_FSYNC = 0;
3104		4102
3105	cf::sync_job {	4103	cf::sync_job {
		4104	cf::write_runtime_sync; # external watchdog should not bark
		4105
3106	# use a peculiar iteration method to avoid tripping on perl	4106	# use a peculiar iteration method to avoid tripping on perl
3107	# refcount bugs in for. also avoids problems with players	4107	# refcount bugs in for. also avoids problems with players
3108	# and maps saved/destroyed asynchronously.	4108	# and maps saved/destroyed asynchronously.
3109	warn "begin emergency player save\n";	4109	info "emergency_perl_save: begin player save\n";
3110	for my $login (keys %cf::PLAYER) {	4110	for my $login (keys %cf::PLAYER) {
3111	my $pl = $cf::PLAYER{$login} or next;	4111	my $pl = $cf::PLAYER{$login} or next;
3112	$pl->valid or next;	4112	$pl->valid or next;
		4113	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3113	$pl->save;	4114	$pl->save;
3114	}	4115	}
3115	warn "end emergency player save\n";	4116	info "emergency_perl_save: end player save\n";
3116		4117
3117	warn "begin emergency map save\n";	4118	cf::write_runtime_sync; # external watchdog should not bark
		4119
		4120	info "emergency_perl_save: begin map save\n";
3118	for my $path (keys %cf::MAP) {	4121	for my $path (keys %cf::MAP) {
3119	my $map = $cf::MAP{$path} or next;	4122	my $map = $cf::MAP{$path} or next;
3120	$map->valid or next;	4123	$map->valid or next;
3121	$map->save;	4124	$map->save;
3122	}	4125	}
3123	warn "end emergency map save\n";	4126	info "emergency_perl_save: end map save\n";
3124		4127
3125	warn "begin emergency database checkpoint\n";	4128	cf::write_runtime_sync; # external watchdog should not bark
		4129
		4130	info "emergency_perl_save: begin database checkpoint\n";
3126	BDB::db_env_txn_checkpoint $DB_ENV;	4131	BDB::db_env_txn_checkpoint $DB_ENV;
3127	warn "end emergency database checkpoint\n";	4132	info "emergency_perl_save: end database checkpoint\n";
		4133
		4134	info "emergency_perl_save: begin write uuid\n";
		4135	write_uuid_sync 1;
		4136	info "emergency_perl_save: end write uuid\n";
		4137
		4138	cf::write_runtime_sync; # external watchdog should not bark
		4139
		4140	trace "emergency_perl_save: syncing database to disk";
		4141	BDB::db_env_txn_checkpoint $DB_ENV;
		4142
		4143	info "emergency_perl_save: starting sync\n";
		4144	IO::AIO::aio_sync sub {
		4145	info "emergency_perl_save: finished sync\n";
		4146	};
		4147
		4148	cf::write_runtime_sync; # external watchdog should not bark
		4149
		4150	trace "emergency_perl_save: flushing outstanding aio requests";
		4151	while (IO::AIO::nreqs || BDB::nreqs) {
		4152	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4153	}
		4154
		4155	cf::write_runtime_sync; # external watchdog should not bark
3128	};	4156	};
3129		4157
3130	warn "leave emergency perl save\n";	4158	info "emergency_perl_save: leave\n";
3131	}	4159	}
3132		4160
3133	sub post_cleanup {	4161	sub post_cleanup {
3134	my ($make_core) = @_;	4162	my ($make_core) = @_;
3135		4163
		4164	IO::AIO::flush;
		4165
3136	warn Carp::longmess "post_cleanup backtrace"	4166	error Carp::longmess "post_cleanup backtrace"
3137	if $make_core;	4167	if $make_core;
		4168
		4169	my $fh = pidfile;
		4170	unlink $PIDFILE if <$fh> == $$;
		4171	}
		4172
		4173	# a safer delete_package, copied from Symbol
		4174	sub clear_package($) {
		4175	my $pkg = shift;
		4176
		4177	# expand to full symbol table name if needed
		4178	unless ($pkg =~ /^main::.*::$/) {
		4179	$pkg = "main$pkg" if $pkg =~ /^::/;
		4180	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4181	$pkg .= '::' unless $pkg =~ /::$/;
		4182	}
		4183
		4184	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4185	my $stem_symtab = *{$stem}{HASH};
		4186
		4187	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4188	or return;
		4189
		4190	# clear all symbols
		4191	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4192	for my $name (keys %$leaf_symtab) {
		4193	_gv_clear *{"$pkg$name"};
		4194	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4195	}
3138	}	4196	}
3139		4197
3140	sub do_reload_perl() {	4198	sub do_reload_perl() {
3141	# can/must only be called in main	4199	# can/must only be called in main
3142	if ($Coro::current != $Coro::main) {	4200	unless (in_main) {
3143	warn "can only reload from main coroutine";	4201	error "can only reload from main coroutine";
3144	return;	4202	return;
3145	}	4203	}
3146		4204
3147	warn "reloading...";	4205	return if $RELOAD++;
3148		4206
3149	warn "entering sync_job";	4207	my $t1 = AE::time;
3150		4208
		4209	while ($RELOAD) {
		4210	cf::get_slot 0.1, -1, "reload_perl";
		4211	info "perl_reload: reloading...";
		4212
		4213	trace "perl_reload: entering sync_job";
		4214
3151	cf::sync_job {	4215	cf::sync_job {
3152	cf::write_runtime; # external watchdog should not bark
3153	cf::emergency_save;	4216	#cf::emergency_save;
3154	cf::write_runtime; # external watchdog should not bark
3155		4217
3156	warn "syncing database to disk";
3157	BDB::db_env_txn_checkpoint $DB_ENV;
3158
3159	# if anything goes wrong in here, we should simply crash as we already saved
3160
3161	warn "cancelling all WF_AUTOCANCEL watchers";
3162	for (Event::all_watchers) {
3163	$_->cancel if $_->data & WF_AUTOCANCEL;
3164	}
3165
3166	warn "flushing outstanding aio requests";
3167	for (;;) {
3168	BDB::flush;
3169	IO::AIO::flush;
3170	Coro::cede;
3171	last unless IO::AIO::nreqs || BDB::nreqs;
3172	warn "iterate...";
3173	}
3174
3175	++$RELOAD;
3176
3177	warn "cancelling all extension coros";	4218	trace "perl_reload: cancelling all extension coros";
3178	$_->cancel for values %EXT_CORO;	4219	$_->cancel for values %EXT_CORO;
3179	%EXT_CORO = ();	4220	%EXT_CORO = ();
3180		4221
3181	warn "removing commands";	4222	trace "perl_reload: removing commands";
3182	%COMMAND = ();	4223	%COMMAND = ();
3183		4224
3184	warn "removing ext/exti commands";	4225	trace "perl_reload: removing ext/exti commands";
3185	%EXTCMD = ();	4226	%EXTCMD = ();
3186	%EXTICMD = ();	4227	%EXTICMD = ();
3187		4228
3188	warn "unloading/nuking all extensions";	4229	trace "perl_reload: unloading/nuking all extensions";
3189	for my $pkg (@EXTS) {	4230	for my $pkg (@EXTS) {
3190	warn "... unloading $pkg";	4231	trace "... unloading $pkg";
3191		4232
3192	if (my $cb = $pkg->can ("unload")) {	4233	if (my $cb = $pkg->can ("unload")) {
3193	eval {	4234	eval {
3194	$cb->($pkg);	4235	$cb->($pkg);
3195	1	4236	1
3196	} or warn "$pkg unloaded, but with errors: $@";	4237	} or error "$pkg unloaded, but with errors: $@";
		4238	}
		4239
		4240	trace "... clearing $pkg";
		4241	clear_package $pkg;
3197	}	4242	}
3198		4243
3199	warn "... nuking $pkg";
3200	Symbol::delete_package $pkg;
3201	}
3202
3203	warn "unloading all perl modules loaded from $LIBDIR";	4244	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3204	while (my ($k, $v) = each %INC) {	4245	while (my ($k, $v) = each %INC) {
3205	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3206		4247
3207	warn "... unloading $k";	4248	trace "... unloading $k";
3208	delete $INC{$k};	4249	delete $INC{$k};
3209		4250
3210	$k =~ s/\.pm$//;	4251	$k =~ s/\.pm$//;
3211	$k =~ s/\//::/g;	4252	$k =~ s/\//::/g;
3212		4253
3213	if (my $cb = $k->can ("unload_module")) {	4254	if (my $cb = $k->can ("unload_module")) {
3214	$cb->();	4255	$cb->();
		4256	}
		4257
		4258	clear_package $k;
3215	}	4259	}
3216		4260
3217	Symbol::delete_package $k;
3218	}
3219
3220	warn "getting rid of safe::, as good as possible";	4261	trace "perl_reload: getting rid of safe::, as good as possible";
3221	Symbol::delete_package "safe::$_"	4262	clear_package "safe::$_"
3222	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4263	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3223		4264
3224	warn "unloading cf.pm \"a bit\"";	4265	trace "perl_reload: unloading cf.pm \"a bit\"";
3225	delete $INC{"cf.pm"};	4266	delete $INC{"cf.pm"};
3226	delete $INC{"cf/pod.pm"};	4267	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3227		4268
3228	# don't, removes xs symbols, too,	4269	# don't, removes xs symbols, too,
3229	# and global variables created in xs	4270	# and global variables created in xs
3230	#Symbol::delete_package __PACKAGE__;	4271	#clear_package __PACKAGE__;
3231		4272
3232	warn "unload completed, starting to reload now";	4273	info "perl_reload: unload completed, starting to reload now";
3233		4274
3234	warn "reloading cf.pm";	4275	trace "perl_reload: reloading cf.pm";
3235	require cf;	4276	require cf;
3236	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4277	cf::_connect_to_perl_1;
3237		4278
3238	warn "loading config and database again";	4279	trace "perl_reload: loading config and database again";
3239	cf::reload_config;	4280	cf::reload_config;
3240		4281
3241	warn "loading extensions";	4282	trace "perl_reload: loading extensions";
3242	cf::load_extensions;	4283	cf::load_extensions;
3243		4284
		4285	if ($REATTACH_ON_RELOAD) {
3244	warn "reattaching attachments to objects/players";	4286	trace "perl_reload: reattaching attachments to objects/players";
3245	_global_reattach; # objects, sockets	4287	_global_reattach; # objects, sockets
3246	warn "reattaching attachments to maps";	4288	trace "perl_reload: reattaching attachments to maps";
3247	reattach $_ for values %MAP;	4289	reattach $_ for values %MAP;
3248	warn "reattaching attachments to players";	4290	trace "perl_reload: reattaching attachments to players";
3249	reattach $_ for values %PLAYER;	4291	reattach $_ for values %PLAYER;
		4292	}
3250		4293
3251	warn "leaving sync_job";	4294	cf::_post_init 1;
3252		4295
		4296	trace "perl_reload: leaving sync_job";
		4297
3253	1	4298	1
3254	} or do {	4299	} or do {
3255	warn $@;	4300	error $@;
3256	warn "error while reloading, exiting.";	4301	cf::cleanup "perl_reload: error, exiting.";
3257	exit 1;	4302	};
		4303
		4304	--$RELOAD;
3258	};	4305	}
3259		4306
3260	warn "reloaded";	4307	$t1 = AE::time - $t1;
		4308	info "perl_reload: completed in ${t1}s\n";
3261	};	4309	};
3262		4310
3263	our $RELOAD_WATCHER; # used only during reload	4311	our $RELOAD_WATCHER; # used only during reload
3264		4312
3265	sub reload_perl() {	4313	sub reload_perl() {
3266	# doing reload synchronously and two reloads happen back-to-back,	4314	# doing reload synchronously and two reloads happen back-to-back,
3267	# coro crashes during coro_state_free->destroy here.	4315	# coro crashes during coro_state_free->destroy here.
3268		4316
3269	$RELOAD_WATCHER ||= Event->timer (	4317	$RELOAD_WATCHER ||= cf::async {
3270	reentrant => 0,	4318	Coro::AIO::aio_wait cache_extensions;
3271	after => 0,	4319
3272	data => WF_AUTOCANCEL,	4320	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3273	cb => sub {
3274	do_reload_perl;	4321	do_reload_perl;
3275	undef $RELOAD_WATCHER;	4322	undef $RELOAD_WATCHER;
3276	},	4323	};
3277	);	4324	};
3278	}	4325	}
3279		4326
3280	register_command "reload" => sub {	4327	register_command "reload" => sub {
3281	my ($who, $arg) = @_;	4328	my ($who, $arg) = @_;
3282		4329
3283	if ($who->flag (FLAG_WIZ)) {	4330	if ($who->flag (FLAG_WIZ)) {
3284	$who->message ("reloading server.");	4331	$who->message ("reloading server.");
		4332	async {
		4333	$Coro::current->{desc} = "perl_reload";
3285	async { reload_perl };	4334	reload_perl;
		4335	};
3286	}	4336	}
3287	};	4337	};
3288		4338
3289	unshift @INC, $LIBDIR;	4339	#############################################################################
3290		4340
3291	my $bug_warning = 0;	4341	my $bug_warning = 0;
3292		4342
3293	our @WAIT_FOR_TICK;
3294	our @WAIT_FOR_TICK_BEGIN;
3295
3296	sub wait_for_tick {	4343	sub wait_for_tick() {
3297	return unless $TICK_WATCHER->is_active;	4344	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3298	return if $Coro::current == $Coro::main;
3299		4345
3300	my $signal = new Coro::Signal;	4346	$WAIT_FOR_TICK->wait;
3301	push @WAIT_FOR_TICK, $signal;
3302	$signal->wait;
3303	}	4347	}
3304		4348
3305	sub wait_for_tick_begin {	4349	sub wait_for_tick_begin() {
3306	return unless $TICK_WATCHER->is_active;	4350	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3307	return if $Coro::current == $Coro::main;
3308		4351
3309	my $signal = new Coro::Signal;	4352	my $signal = new Coro::Signal;
3310	push @WAIT_FOR_TICK_BEGIN, $signal;	4353	push @WAIT_FOR_TICK_BEGIN, $signal;
3311	$signal->wait;	4354	$signal->wait;
3312	}	4355	}
3313		4356
3314	my $min = 1e6;#d#	4357	sub tick {
3315	my $avg = 10;
3316	$TICK_WATCHER = Event->timer (
3317	reentrant => 0,
3318	parked => 1,
3319	prio => 0,
3320	at => $NEXT_TICK || $TICK,
3321	data => WF_AUTOCANCEL,
3322	cb => sub {
3323	if ($Coro::current != $Coro::main) {	4358	if ($Coro::current != $Coro::main) {
3324	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4359	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3325	unless ++$bug_warning > 10;	4360	unless ++$bug_warning > 10;
3326	return;	4361	return;
3327	}	4362	}
3328		4363
3329	$NOW = $tick_start = Event::time;	4364	cf::one_tick; # one server iteration
3330		4365
3331	cf::server_tick; # one server iteration	4366	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3332		4367
3333	0 && sync_job {#d#	4368	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3334	for(1..10) {	4369	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3335	my $t = Event::time;	4370	Coro::async_pool {
3336	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4371	$Coro::current->{desc} = "runtime saver";
3337	or die;	4372	write_runtime_sync
3338		4373	or error "ERROR: unable to write runtime file: $!";
3339	$map->width (50);
3340	$map->height (50);
3341	$map->alloc;
3342	$map->_load_objects ("/tmp/x.map", 1);
3343	my $t = Event::time - $t;
3344
3345	#next unless $t < 0.0013;#d#
3346	if ($t < $min) {
3347	$min = $t;
3348	}
3349	$avg = $avg * 0.99 + $t * 0.01;
3350	}
3351	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3352	exit 0;
3353	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3354	};	4374	};
		4375	}
3355		4376
3356	$RUNTIME += $TICK;
3357	$NEXT_TICK += $TICK;
3358
3359	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3360	$NEXT_RUNTIME_WRITE = $NOW + 10;
3361	Coro::async_pool {
3362	write_runtime
3363	or warn "ERROR: unable to write runtime file: $!";
3364	};
3365	}
3366
3367	# my $AFTER = Event::time;
3368	# warn $AFTER - $NOW;#d#
3369
3370	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4377	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3371	$sig->send;	4378	$sig->send;
3372	}	4379	}
3373	while (my $sig = shift @WAIT_FOR_TICK) {	4380	$WAIT_FOR_TICK->broadcast;
3374	$sig->send;
3375	}
3376		4381
3377	$NOW = Event::time;	4382	$LOAD = ($NOW - $TICK_START) / $TICK;
3378
3379	# if we are delayed by four ticks or more, skip them all
3380	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3381
3382	$TICK_WATCHER->at ($NEXT_TICK);
3383	$TICK_WATCHER->start;
3384
3385	$LOAD = ($NOW - $tick_start) / $TICK;
3386	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3387		4384
3388	_post_tick;	4385	if (0) {
3389		4386	if ($NEXT_TICK) {
3390		4387	my $jitter = $TICK_START - $NEXT_TICK;
		4388	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4389	debug "jitter $JITTER\n";#d#
		4390	}
3391	},	4391	}
3392	);	4392	}
3393		4393
3394	{	4394	{
3395	BDB::max_poll_time $TICK * 0.1;	4395	# configure BDB
3396	$BDB_POLL_WATCHER = Event->io (	4396	info "initialising database";
3397	reentrant => 0,	4397
3398	fd => BDB::poll_fileno,
3399	poll => 'r',
3400	prio => 0,
3401	data => WF_AUTOCANCEL,
3402	cb => \&BDB::poll_cb,
3403	);
3404	BDB::min_parallel 8;	4398	BDB::min_parallel 16;
3405		4399	BDB::max_poll_reqs $TICK * 0.1;
3406	BDB::set_sync_prepare {	4400	#$AnyEvent::BDB::WATCHER->priority (1);
3407	my $status;
3408	my $current = $Coro::current;
3409	(
3410	sub {
3411	$status = $!;
3412	$current->ready; undef $current;
3413	},
3414	sub {
3415	Coro::schedule while defined $current;
3416	$! = $status;
3417	},
3418	)
3419	};
3420		4401
3421	unless ($DB_ENV) {	4402	unless ($DB_ENV) {
3422	$DB_ENV = BDB::db_env_create;	4403	$DB_ENV = BDB::db_env_create;
		4404	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4405	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4406	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4407	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4408	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3423		4409
3424	cf::sync_job {	4410	cf::sync_job {
3425	eval {	4411	eval {
3426	BDB::db_env_open	4412	BDB::db_env_open
3427	$DB_ENV,	4413	$DB_ENV,
…		…
3429	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4415	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3430	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4416	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3431	0666;	4417	0666;
3432		4418
3433	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4419	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3434
3435	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3436	$DB_ENV->set_lk_detect;
3437	};	4420	};
3438		4421
3439	cf::cleanup "db_env_open(db): $@" if $@;	4422	cf::cleanup "db_env_open(db): $@" if $@;
3440	};	4423	};
3441	}	4424	}
		4425
		4426	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4427	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4428	};
		4429	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4430	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4431	};
		4432	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4433	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4434	};
		4435
		4436	info "database initialised";
3442	}	4437	}
3443		4438
3444	{	4439	{
		4440	# configure IO::AIO
		4441
		4442	info "initialising aio";
3445	IO::AIO::min_parallel 8;	4443	IO::AIO::min_parallel 8;
3446
3447	undef $Coro::AIO::WATCHER;
3448	IO::AIO::max_poll_time $TICK * 0.1;	4444	IO::AIO::max_poll_time $TICK * 0.1;
3449	$AIO_POLL_WATCHER = Event->io (	4445	undef $AnyEvent::AIO::WATCHER;
3450	reentrant => 0,	4446	info "aio initialised";
3451	data => WF_AUTOCANCEL,
3452	fd => IO::AIO::poll_fileno,
3453	poll => 'r',
3454	prio => 6,
3455	cb => \&IO::AIO::poll_cb,
3456	);
3457	}	4447	}
3458		4448
3459	my $_log_backtrace;	4449	our $_log_backtrace;
		4450	our $_log_backtrace_last;
3460		4451
3461	sub _log_backtrace {	4452	sub _log_backtrace {
3462	my ($msg, @addr) = @_;	4453	my ($msg, @addr) = @_;
3463		4454
3464	$msg =~ s/\n//;	4455	$msg =~ s/\n$//;
3465		4456
		4457	if ($_log_backtrace_last eq $msg) {
		4458	LOG llevInfo, "[ABT] $msg\n";
		4459	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3466	# limit the # of concurrent backtraces	4460	# limit the # of concurrent backtraces
3467	if ($_log_backtrace < 2) {	4461	} elsif ($_log_backtrace < 2) {
		4462	$_log_backtrace_last = $msg;
3468	++$_log_backtrace;	4463	++$_log_backtrace;
		4464	my $perl_bt = Carp::longmess $msg;
3469	async {	4465	async {
		4466	$Coro::current->{desc} = "abt $msg";
		4467
3470	my @bt = fork_call {	4468	my @bt = fork_call {
3471	@addr = map { sprintf "%x", $_ } @addr;	4469	@addr = map { sprintf "%x", $_ } @addr;
3472	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4470	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3473	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4471	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3474	or die "addr2line: $!";	4472	or die "addr2line: $!";
…		…
3482	}	4480	}
3483		4481
3484	@funcs	4482	@funcs
3485	};	4483	};
3486		4484
3487	LOG llevInfo, "[ABT] $msg\n";	4485	LOG llevInfo, "[ABT] $perl_bt\n";
		4486	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3488	LOG llevInfo, "[ABT] $_\n" for @bt;	4487	LOG llevInfo, "[ABT] $_\n" for @bt;
3489	--$_log_backtrace;	4488	--$_log_backtrace;
3490	};	4489	};
3491	} else {	4490	} else {
3492	LOG llevInfo, "[ABT] $msg\n";	4491	LOG llevInfo, "[ABT] $msg\n";
3493	LOG llevInfo, "[ABT] [suppressed]\n";	4492	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3494	}	4493	}
3495	}	4494	}
3496		4495
3497	# load additional modules	4496	# load additional modules
3498	use cf::pod;	4497	require "cf/$_.pm" for @EXTRA_MODULES;
		4498	cf::_connect_to_perl_2;
3499		4499
3500	END { cf::emergency_save }	4500	END { cf::emergency_save }
3501		4501
3502	1	4502	1
3503		4503

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