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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.355 by root, Sun Sep 2 12:45:44 2007 UTC vs.
Revision 1.590 by root, Sun Nov 4 02:20:11 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.64 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
24	use Coro::Util ();	54	use Coro::Util ();
25		55
		56	use Guard ();
26	use JSON::XS ();	57	use JSON::XS 2.01 ();
27	use BDB ();	58	use BDB ();
28	use Data::Dumper;	59	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	60	use Fcntl;
31	use YAML::Syck ();	61	use YAML::XS ();
32	use IO::AIO 2.32 ();	62	use IO::AIO ();
33	use Time::HiRes;	63	use Time::HiRes;
34	use Compress::LZF;	64	use Compress::LZF;
35	use Digest::MD5 ();	65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
36		68
37	# configure various modules to our taste	69	# configure various modules to our taste
38	#	70	#
39	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	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	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		79
43	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
44		81	$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		82
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
51		86
52	our %COMMAND = ();	87	our %COMMAND = ();
53	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
54		89
55	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	91	our %EXTCMD = ();
57	our %EXTICMD = ();	92	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
60		95
61	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
63		100
64	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
65	our $DATADIR = datadir;	103	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
69	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	113	our $BDBDIR = "$LOCALDIR/db";
		114	our $PIDFILE = "$LOCALDIR/pid";
		115	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		116
		117	#our %RESOURCE; # unused
		118
		119	our $OUTPUT_RATE_MIN = 3000;
		120	our $OUTPUT_RATE_MAX = 1000000;
		121
		122	our $MAX_LINKS = 32; # how many chained exits to follow
		123	our $VERBOSE_IO = 1;
75		124
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	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	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	127	our $NEXT_TICK;
		128	our $USE_FSYNC = 1; # use fsync to write maps - default on
		129
		130	our $BDB_DEADLOCK_WATCHER;
		131	our $BDB_CHECKPOINT_WATCHER;
		132	our $BDB_TRICKLE_WATCHER;
		133	our $DB_ENV;
		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
		137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		139
		140	our $UPTIME; $UPTIME ||= time;
		141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
81	our $NOW;	143	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		144
84	our $BDB_POLL_WATCHER;	145	our (%PLAYER, %PLAYER_LOADING); # all users
85	our $DB_ENV;	146	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	147	our $LINK_MAP; # the special {link} map, which is always available
95		148
96	# used to convert map paths into valid unix filenames by replacing / by ∕	149	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		151
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	152	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	155	our $TICK_START; # for load detecting purposes
		156
		157	our @POST_INIT;
		158
		159	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		160	our $REALLY_UNLOOP; # never set to true, please :)
		161
		162	our $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
102		164
103	binmode STDOUT;	165	binmode STDOUT;
104	binmode STDERR;	166	binmode STDERR;
105		167
106	# read virtual server time, if available	168	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
111	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
112		176
113	mkdir $_	177	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		179
116	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
117		181
118	sub cf::map::normalise;	182	sub cf::map::normalise;
119		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
120	#############################################################################	188	#############################################################################
121		189
		190	%REFLECT = ();
		191	for (@REFLECT) {
		192	my $reflect = JSON::XS::decode_json $_;
		193	$REFLECT{$reflect->{class}} = $reflect;
		194	}
		195
		196	# this is decidedly evil
		197	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		198
		199	#############################################################################
		200
122	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
123		202
124	=over 4	203	=over 4
125		204
126	=item $cf::UPTIME	205	=item $cf::UPTIME
127		206
128	The timestamp of the server start (so not actually an uptime).	207	The timestamp of the server start (so not actually an "uptime").
		208
		209	=item $cf::SERVER_TICK
		210
		211	An unsigned integer that starts at zero when the server is started and is
		212	incremented on every tick.
		213
		214	=item $cf::NOW
		215
		216	The (real) time of the last (current) server tick - updated before and
		217	after tick processing, so this is useful only as a rough "what time is it
		218	now" estimate.
		219
		220	=item $cf::TICK
		221
		222	The interval between each server tick, in seconds.
129		223
130	=item $cf::RUNTIME	224	=item $cf::RUNTIME
131		225
132	The time this server has run, starts at 0 and is increased by $cf::TICK on	226	The time this server has run, starts at 0 and is increased by $cf::TICK on
133	every server tick.	227	every server tick.
…		…
139	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
142	database environment.	236	database environment.
143		237
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	238	=item $cf::LOADAVG
153		239
154	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
159		245
160	The raw value load value from the last tick.	246	The raw value load value from the last tick.
161		247
162	=item %cf::CFG	248	=item %cf::CFG
163		249
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	250	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	251	from wherever your confdir points to.
166		252
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		254
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$cf::WAIT_FOR_TICK>).
		263
		264	=item $cf::WAIT_FOR_TICK
		265
		266	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		267	variable contains a L<Coro::Signal> that is broadcats after every server
		268	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		269	next server tick.
		270
		271	=cut
		272
		273	sub wait_for_tick();
		274	sub wait_for_tick_begin();
		275
173	=item @cf::INVOKE_RESULTS	276	=item @cf::INVOKE_RESULTS
174		277
175	This array contains the results of the last C<invoke ()> call. When	278	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	279	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	280	that call.
178		281
		282	=item %cf::REFLECT
		283
		284	Contains, for each (C++) class name, a hash reference with information
		285	about object members (methods, scalars, arrays and flags) and other
		286	metadata, which is useful for introspection.
		287
179	=back	288	=back
180		289
181	=cut	290	=cut
182		291
183	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	293	sub warn (@) { LOG llevWarn , join "", @_ }
		294	sub info (@) { LOG llevInfo , join "", @_ }
		295	sub debug(@) { LOG llevDebug, join "", @_ }
		296	sub trace(@) { LOG llevTrace, join "", @_ }
		297
		298	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	299	my $msg = join "", @_;
186		300
187	$msg .= "\n"	301	$msg .= "\n"
188	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
189		303
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	304	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		305
192	utf8::encode $msg;
193	LOG llevError, $msg;	306	LOG llevWarn, $msg;
194	};	307	};
195	}	308
		309	$Coro::State::DIEHOOK = sub {
		310	return unless $^S eq 0; # "eq", not "=="
		311
		312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
		315	error "DIEHOOK called in main context, Coro bug?\n";#d#
		316	return;#d#
		317	}#d#
		318
		319	# kill coroutine otherwise
		320	Coro::terminate
		321	};
196		322
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	333	for my $pkg (qw(
208	cf::global cf::attachable	334	cf::global cf::attachable
209	cf::object cf::object::player	335	cf::object cf::object::player
210	cf::client cf::player	336	cf::client cf::player
211	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
212	cf::map cf::party cf::region	339	cf::party cf::region
213	)) {	340	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	342	}
217		343
218	$Event::DIED = sub {	344	$EV::DIED = sub {
219	warn "error in event callback: @_";	345	warn "error in event callback: $@";
220	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
221		352
222	#############################################################################	353	#############################################################################
223		354
224	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
225		356
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	378	$d
248	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
249	}	380	}
250		381
		382	=item $scalar = cf::load_file $path
		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($path, $data, $sync) = @_;
		405
		406	my $lock = cf::lock_acquire ("replace_file:$path");
		407
		408	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		409	or return;
		410
		411	$data = $data->() if ref $data;
		412
		413	length $data == aio_write $fh, 0, (length $data), $data, 0
		414	or return;
		415
		416	!$sync
		417	or !aio_fsync $fh
		418	or return;
		419
		420	aio_close $fh
		421	and return;
		422
		423	aio_rename "$path~", $path
		424	and return;
		425
		426	if ($sync) {
		427	$path =~ s%/[^/]*$%%;
		428	aio_pathsync $path;
		429	}
		430
		431	1
		432	}
		433
251	=item $ref = cf::from_json $json	434	=item $ref = cf::decode_json $json
252		435
253	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
254		437
255	=item $json = cf::to_json $ref	438	=item $json = cf::encode_json $ref
256		439
257	Converts a perl data structure into its JSON representation.	440	Converts a perl data structure into its JSON representation.
258		441
259	=cut	442	=cut
260		443
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		445
263	sub to_json ($) { $json_coder->encode ($_[0]) }	446	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	447	sub decode_json($) { $json_coder->decode ($_[0]) }
		448
		449	=item $ref = cf::decode_storable $scalar
		450
		451	Same as Coro::Storable::thaw, so blocks.
		452
		453	=cut
		454
		455	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		456
		457	=item $ref = cf::decode_yaml $scalar
		458
		459	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		460
		461	=cut
		462
		463	sub decode_yaml($) {
		464	fork_call { YAML::XS::Load $_[0] } @_
		465	}
		466
		467	=item $scalar = cf::unlzf $scalar
		468
		469	Same as Compress::LZF::compress, but takes server ticks into account, so
		470	blocks.
		471
		472	=cut
		473
		474	sub unlzf($) {
		475	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		476	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		477	Compress::LZF::decompress $_[0]
		478	}
		479
		480	=item cf::post_init { BLOCK }
		481
		482	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		483	but I<before> the server starts ticking again.
		484
		485	The codeblock will have a single boolean argument to indicate whether this
		486	is a reload or not.
		487
		488	=cut
		489
		490	sub post_init(&) {
		491	push @POST_INIT, shift;
		492	}
		493
		494	sub _post_init {
		495	trace "running post_init jobs";
		496
		497	# run them in parallel...
		498
		499	my @join;
		500
		501	while () {
		502	push @join, map &Coro::async ($_, 0), @POST_INIT;
		503	@POST_INIT = ();
		504
		505	@join or last;
		506
		507	(pop @join)->join;
		508	}
		509	}
265		510
266	=item cf::lock_wait $string	511	=item cf::lock_wait $string
267		512
268	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
269		514
270	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
271		516
272	Wait until the given lock is available and then acquires it and returns	517	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,	518	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	519	for example when the coroutine gets canceled), the lock is automatically
275	returned.	520	returned.
276		521
277	Locks are *not* recursive, locking from the same coro twice results in a	522	Locks are *not* recursive, locking from the same coro twice results in a
278	deadlocked coro.	523	deadlocked coro.
…		…
284		529
285	Return true if the lock is currently active, i.e. somebody has locked it.	530	Return true if the lock is currently active, i.e. somebody has locked it.
286		531
287	=cut	532	=cut
288		533
289	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
290		535
291	sub lock_wait($) {	536	sub lock_wait($) {
292	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
293
294	# wait for lock, if any
295	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;
298	}
299	}	538	}
300		539
301	sub lock_acquire($) {	540	sub lock_acquire($) {
302	my ($key) = @_;	541	$LOCKS->guard ($_[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	}	542	}
314		543
315	sub lock_active($) {	544	sub lock_active($) {
316	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
317
318	! ! $LOCK{$key}
319	}	546	}
320		547
321	sub freeze_mainloop {	548	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
323		550
324	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
325	$TICK_WATCHER->start;	552	}
326	};	553
327	$TICK_WATCHER->stop;	554	=item cf::periodic $interval, $cb
328	$guard	555
		556	Like EV::periodic, but randomly selects a starting point so that the actions
		557	get spread over time.
		558
		559	=cut
		560
		561	sub periodic($$) {
		562	my ($interval, $cb) = @_;
		563
		564	my $start = rand List::Util::min 180, $interval;
		565
		566	EV::periodic $start, $interval, 0, $cb
329	}	567	}
330		568
331	=item cf::get_slot $time[, $priority[, $name]]	569	=item cf::get_slot $time[, $priority[, $name]]
332		570
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	571	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	572	(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.	573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
336		578
337	The optional C<$name> can be used to identify the job to run. It might be	579	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.	580	used for statistical purposes and should identify the same time-class.
339		581
340	Useful for short background jobs.	582	Useful for short background jobs.
341		583
342	=cut	584	=cut
343		585
344	our @SLOT_QUEUE;	586	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
346		589
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	591	$SLOT_QUEUE = Coro::async {
		592	$Coro::current->desc ("timeslot manager");
		593
349	my $signal = new Coro::Signal;	594	my $signal = new Coro::Signal;
		595	my $busy;
350		596
351	while () {	597	while () {
352	next_job:	598	next_job:
		599
353	my $avail = cf::till_tick;	600	my $avail = cf::till_tick;
354	if ($avail > 0.01) {	601
355	for (0 .. $#SLOT_QUEUE) {	602	for (0 .. $#SLOT_QUEUE) {
356	if ($SLOT_QUEUE[$_][0] < $avail) {	603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
357	my $job = splice @SLOT_QUEUE, $_, 1, ();	605	my $job = splice @SLOT_QUEUE, $_, 1, ();
358	$job->[2]->send;	606	$job->[2]->send;
359	Coro::cede;	607	Coro::cede;
360	goto next_job;	608	goto next_job;
361	}	609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
362	}	611	}
363	}	612	}
364		613
365	if (@SLOT_QUEUE) {	614	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	616	$WAIT_FOR_TICK->wait;
368	$signal->wait;
369	} else {	617	} else {
		618	$busy = 0;
370	Coro::schedule;	619	Coro::schedule;
371	}	620	}
372	}	621	}
373	};	622	};
374		623
375	sub get_slot($;$$) {	624	sub get_slot($;$$) {
		625	return if tick_inhibit || $Coro::current == $Coro::main;
		626
376	my ($time, $pri, $name) = @_;	627	my ($time, $pri, $name) = @_;
377		628
378	$time = $TICK * .6 if $time > $TICK * .6;	629	$time = clamp $time, 0.01, $TICK * .6;
		630
379	my $sig = new Coro::Signal;	631	my $sig = new Coro::Signal;
380		632
381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
383	$SLOT_QUEUE->ready;	635	$SLOT_QUEUE->ready;
…		…
394		646
395	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
396		648
397	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
398		650
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	651	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	652	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	653	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	654	acceptable.
403		655
404	If it must be done, put the blocking parts into C<sync_job>. This will run	656	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	657	the given BLOCK in another coroutine while waiting for the result. The
…		…
409	=cut	661	=cut
410		662
411	sub sync_job(&) {	663	sub sync_job(&) {
412	my ($job) = @_;	664	my ($job) = @_;
413		665
414	if ($Coro::current == $Coro::main) {	666	if (in_main) {
415	my $time = Event::time;	667	my $time = AE::time;
416		668
417	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
419		671
420	# TODO: use suspend/resume instead	672	#LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	673
422	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
423		675
424	my $busy = 1;	676	my $busy = 1;
425	my @res;	677	my @res;
426		678
427	(async {	679	(async {
		680	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	681	@res = eval { $job->() };
429	warn $@ if $@;	682	error $@ if $@;
430	undef $busy;	683	undef $busy;
431	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
432		685
433	while ($busy) {	686	while ($busy) {
434	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
435	}	691	}
		692	}
436		693
437	$time = Event::time - $time;	694	my $time = AE::time - $time;
438		695
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	696	$TICK_START += $time; # do not account sync jobs to server load
443		697
444	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
445	} else {	699	} else {
446	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
447		701
…		…
467	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
468		722
469	$coro	723	$coro
470	}	724	}
471		725
472	=item fork_call { }, $args	726	=item fork_call { }, @args
473		727
474	Executes the given code block with the given arguments in a seperate	728	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	730	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	731	never block itself or use any form of event handling.
478		732
479	=cut	733	=cut
		734
		735	sub post_fork {
		736	reset_signals;
		737	}
480		738
481	sub fork_call(&@) {	739	sub fork_call(&@) {
482	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
483		741
484	# we seemingly have to make a local copy of the whole thing,	742	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	743	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (likely this will be rather laborious)	744	# TODO: investigate and fix (likely this will be rather laborious)
487		745
488	my @res = Coro::Util::fork_eval {	746	my @res = Coro::Util::fork_eval {
489	reset_signals;	747	cf::post_fork;
490	&$cb	748	&$cb
491	}, @args;	749	} @args;
492		750
493	wantarray ? @res : $res[-1]	751	wantarray ? @res : $res[-1]
		752	}
		753
		754	sub objinfo {
		755	(
		756	"counter value" => cf::object::object_count,
		757	"objects created" => cf::object::create_count,
		758	"objects destroyed" => cf::object::destroy_count,
		759	"freelist size" => cf::object::free_count,
		760	"allocated objects" => cf::object::objects_size,
		761	"active objects" => cf::object::actives_size,
		762	)
		763	}
		764
		765	=item $coin = coin_from_name $name
		766
		767	=cut
		768
		769	our %coin_alias = (
		770	"silver" => "silvercoin",
		771	"silvercoin" => "silvercoin",
		772	"silvercoins" => "silvercoin",
		773	"gold" => "goldcoin",
		774	"goldcoin" => "goldcoin",
		775	"goldcoins" => "goldcoin",
		776	"platinum" => "platinacoin",
		777	"platinumcoin" => "platinacoin",
		778	"platinumcoins" => "platinacoin",
		779	"platina" => "platinacoin",
		780	"platinacoin" => "platinacoin",
		781	"platinacoins" => "platinacoin",
		782	"royalty" => "royalty",
		783	"royalties" => "royalty",
		784	);
		785
		786	sub coin_from_name($) {
		787	$coin_alias{$_[0]}
		788	? cf::arch::find $coin_alias{$_[0]}
		789	: undef
494	}	790	}
495		791
496	=item $value = cf::db_get $family => $key	792	=item $value = cf::db_get $family => $key
497		793
498	Returns a single value from the environment database.	794	Returns a single value from the environment database.
…		…
500	=item cf::db_put $family => $key => $value	796	=item cf::db_put $family => $key => $value
501		797
502	Stores the given C<$value> in the family. It can currently store binary	798	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).	799	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		800
		801	=item $db = cf::db_table "name"
		802
		803	Create and/or open a new database table. The string must not be "db" and must be unique
		804	within each server.
		805
505	=cut	806	=cut
		807
		808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
		812	my ($name) = @_;
		813	my $db = BDB::db_create $DB_ENV;
		814
		815	eval {
		816	$db->set_flags (BDB::CHKSUM);
		817
		818	utf8::encode $name;
		819	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		820	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		821	cf::cleanup "db_open(db): $!" if $!;
		822	};
		823	cf::cleanup "db_open(db): $@" if $@;
		824
		825	$db
		826	}
506		827
507	our $DB;	828	our $DB;
508		829
509	sub db_init {	830	sub db_init {
510	unless ($DB) {	831	$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	}	832	}
525		833
526	sub db_get($$) {	834	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
528		836
529	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
530	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
531		841
532	$! ? ()	842	$! ? ()
533	: $data	843	: $data
534	}
535	}	844	}
536		845
537	sub db_put($$$) {	846	sub db_put($$$) {
538	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
567		876
568	my @data;	877	my @data;
569	my $md5;	878	my $md5;
570		879
571	for (0 .. $#$src) {	880	for (0 .. $#$src) {
572	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
573	or Carp::croak "$src->[$_]: $!";
574	}	882	}
575		883
576	# if processing is expensive, check	884	# if processing is expensive, check
577	# checksum first	885	# checksum first
578	if (1) {	886	if (1) {
…		…
595		903
596	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
597	my $data = $process->(\@data);	905	my $data = $process->(\@data);
598	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
599		907
600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
601		909
602	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
603	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
604	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
605		913
…		…
615		923
616	=cut	924	=cut
617		925
618	sub datalog($@) {	926	sub datalog($@) {
619	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
621	}	929	}
622		930
623	=back	931	=back
624		932
625	=cut	933	=cut
626		934
627	#############################################################################	935	#############################################################################
628		936
629	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
630		938
631	Many objects in crossfire are so-called attachable objects. That means you can	939	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")	940	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
634		942
635	In the following description, CLASS can be any of C<global>, C<object>	943	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	944	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	945	Deliantra).
638		946
639	=over 4	947	=over 4
640		948
641	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
642		950
…		…
686	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
687		995
688	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
689	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
690		998
691	Some classes such as crossfire maps and objects can specify attachments	999	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.	1000	that are attached at load/instantiate time, thus the need for a name.
693		1001
694	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
695		1003
696	=over 4	1004	=over 4
…		…
820		1128
821	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
822	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
823		1131
824	} elsif (ref $type) {	1132	} elsif (ref $type) {
825	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
826		1134
827	} else {	1135	} else {
828	shift @arg;	1136	shift @arg;
829	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
830	}	1138	}
831	}	1139	}
832	}	1140	}
833		1141
834	sub _object_attach {	1142	sub _object_attach {
…		…
844	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
845	}	1153	}
846		1154
847	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
848	} else {	1156	} else {
849	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
850	}	1158	}
851		1159
852	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
853	}	1161	}
854		1162
…		…
913		1221
914	for (@$callbacks) {	1222	for (@$callbacks) {
915	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
916		1224
917	if ($@) {	1225	if ($@) {
918	warn "$@";
919	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
920	override;	1227	override;
921	}	1228	}
922		1229
923	return 1 if $override;	1230	return 1 if $override;
924	}	1231	}
925		1232
926	0	1233	0
927	}	1234	}
928		1235
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1237
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1239
933	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
934		1241
…		…
940		1247
941	=cut	1248	=cut
942		1249
943	#############################################################################	1250	#############################################################################
944	# object support	1251	# object support
945	#
946		1252
		1253	sub _object_equal($$);
		1254	sub _object_equal($$) {
		1255	my ($a, $b) = @_;
		1256
		1257	return 0 unless (ref $a) eq (ref $b);
		1258
		1259	if ("HASH" eq ref $a) {
		1260	my @ka = keys %$a;
		1261	my @kb = keys %$b;
		1262
		1263	return 0 if @ka != @kb;
		1264
		1265	for (0 .. $#ka) {
		1266	return 0 unless $ka[$_] eq $kb[$_];
		1267	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1268	}
		1269
		1270	} elsif ("ARRAY" eq ref $a) {
		1271
		1272	return 0 if @$a != @$b;
		1273
		1274	for (0 .. $#$a) {
		1275	return 0 unless _object_equal $a->[$_], $b->[$_];
		1276	}
		1277
		1278	} elsif ($a ne $b) {
		1279	return 0;
		1280	}
		1281
		1282	1
		1283	}
		1284
		1285	our $SLOW_MERGES;#d#
947	sub _can_merge {	1286	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1287	my ($ob1, $ob2) = @_;
949		1288
950	local $Storable::canonical = 1;	1289	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1290
954	$fob1 eq $fob2	1291	# we do the slow way here
		1292	return _object_equal $ob1, $ob2
955	}	1293	}
956		1294
957	sub reattach {	1295	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1297	my ($obj) = @_;
960		1298
		1299	# no longer needed after getting rid of delete_package?
961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1300	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962		1301
963	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
964		1303
965	@$registry = ();	1304	@$registry = ();
966		1305
…		…
971	for (@$attach) {	1310	for (@$attach) {
972	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
973	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
974	}	1313	}
975	} else {	1314	} else {
976	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
977	}	1316	}
978	}	1317	}
979	}	1318	}
980		1319
981	cf::attachable->attach (	1320	cf::attachable->attach (
982	prio => -1000000,	1321	prio => -1000000,
983	on_instantiate => sub {	1322	on_instantiate => sub {
984	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
985		1324
986	$data = from_json $data;	1325	$data = decode_json $data;
987		1326
988	for (@$data) {	1327	for (@$data) {
989	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
990		1329
991	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1346	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
1009		1348
1010	sync_job {	1349	sync_job {
1011	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
1014		1355
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	aio_fsync $fh if $cf::USE_FSYNC;	1359	if ($cf::USE_FSYNC) {
		1360	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;
		1361	aio_fsync $fh;
		1362	}
1019	close $fh;	1363	aio_close $fh;
1020		1364
1021	if (@$objs) {	1365	if (@$objs) {
1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1366	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
1026	aio_fsync $fh if $cf::USE_FSYNC;	1370	if ($cf::USE_FSYNC) {
		1371	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;
		1372	aio_fsync $fh;
		1373	}
1027	close $fh;	1374	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1376	}
1030	} else {	1377	} else {
1031	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
1032	}	1379	}
1033		1380
1034	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
1035	} else {	1385	} else {
1036	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
1037	}	1387	}
1038	} else {	1388	} else {
1039	aio_unlink $filename;	1389	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
1041	}	1391	}
1042	}	1392	};
1043	}	1393	}
1044		1394
1045	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
1047		1397
…		…
1059	or return;	1409	or return;
1060		1410
1061	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1413	or return;
		1414
1064	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
1065	}	1417	}
1066		1418
		1419	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
1069	return ($data, $av);	1424	($data, $av)
1070	}	1425	}
1071		1426
1072	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
1073		1428
1074	=over 4	1429	=over 4
…		…
1128	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1129		1484
1130	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1131	}	1486	}
1132		1487
		1488	use File::Glob ();
		1489
1133	cf::player->attach (	1490	cf::player->attach (
1134	on_command => sub {	1491	on_unknown_command => sub {
1135	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1136		1493
1137	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1138	or return;	1495	or return;
1139		1496
…		…
1147	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1148		1505
1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1150		1507
1151	if (ref $msg) {	1508	if (ref $msg) {
1152	my ($type, $reply, @payload) =	1509	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		1510
1157	my @reply;	1511	my @reply;
1158		1512
1159	if (my $cb = $EXTCMD{$type}) {	1513	if (my $cb = $EXTCMD{$type}) {
1160	@reply = $cb->($pl, @payload);	1514	@reply = $cb->($pl, @payload);
…		…
1162		1516
1163	$pl->ext_reply ($reply, @reply)	1517	$pl->ext_reply ($reply, @reply)
1164	if $reply;	1518	if $reply;
1165		1519
1166	} else {	1520	} else {
1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1168	}	1522	}
1169		1523
1170	cf::override;	1524	cf::override;
1171	},	1525	},
1172	);	1526	);
1173		1527
		1528	# "readahead" all extensions
		1529	sub cache_extensions {
		1530	my $grp = IO::AIO::aio_group;
		1531
		1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1533	for (grep /\.ext$/, @{$_[0]}) {
		1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1535	}
		1536	};
		1537
		1538	$grp
		1539	}
		1540
		1541	sub _ext_cfg_reg($$$$) {
		1542	my ($rvar, $varname, $cfgname, $default) = @_;
		1543
		1544	$cfgname = lc $varname
		1545	unless length $cfgname;
		1546
		1547	$EXT_CFG{$cfgname} = [$rvar, $default];
		1548
		1549	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1550	}
		1551
1174	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1175	cf::sync_job {	1557	cf::sync_job {
1176	my %todo;	1558	my %todo;
1177		1559
1178	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1179	next unless -r $path;	1561	next unless -r $path;
…		…
1197		1579
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1582
1201	$ext{source} =	1583	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1203	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1204	. $source	1586	. $source
1205	. "\n};\n1";	1587	. "\n};\n1";
1206		1588
1207	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1208	}	1590	}
1209		1591
		1592	my $pass = 0;
1210	my %done;	1593	my %done;
1211	while (%todo) {	1594	while (%todo) {
1212	my $progress;	1595	my $progress;
1213		1596
		1597	++$pass;
		1598
		1599	ext:
1214	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1215	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1216	goto skip	1602	next ext
1217	unless exists $done{$_};	1603	unless exists $done{$_};
1218	}	1604	}
1219		1605
1220	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1221		1607
1222	unless (eval $v->{source}) {	1608	my $source = $v->{source};
		1609
		1610	# support "CONF varname :confname = default" pseudo-statements
		1611	$source =~ s{
		1612	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1613	}{
		1614	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1615	}gmxe;
		1616
		1617	my $active = eval $source;
		1618
		1619	if (length $@) {
1223	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1224	: "$v->{base}: extension inactive.\n";
1225		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1226	if (exists $v->{meta}{mandatory}) {	1623	if exists $v->{meta}{mandatory};
1227	warn $msg;	1624
1228	warn "mandatory extension failed to load, exiting.\n";	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1229	exit 1;	1626	delete $todo{$k};
1230	}	1627	} else {
1231		1628	$done{$k} = delete $todo{$k};
1232	warn $msg;	1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1233	}	1634	}
1234
1235	$done{$k} = delete $todo{$k};
1236	push @EXTS, $v->{pkg};
1237	$progress = 1;
1238	}	1635	}
1239		1636
1240	skip:	1637	unless ($progress) {
1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1242	unless $progress;	1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
1243	}	1647	}
1244	};	1648	};
1245	}	1649	}
1246		1650
1247	#############################################################################	1651	#############################################################################
1248		1652
1249	=back	1653	=back
1250		1654
1251	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1252		1656
1253	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1254		1658
1255	=cut	1659	=cut
1256		1660
1257	package cf::player;	1661	package cf::player;
1258		1662
1259	use Coro::AIO;	1663	use Coro::AIO;
1260		1664
1261	=head3 cf::player	1665	=head3 cf::player
1262		1666
1263	=over 4	1667	=over 4
		1668
		1669	=item cf::player::num_playing
		1670
		1671	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1672
		1673	=cut
		1674
		1675	sub num_playing {
		1676	scalar grep
		1677	$_->ob->map
		1678	&& !$_->hidden
		1679	&& !$_->ob->flag (cf::FLAG_WIZ),
		1680	cf::player::list
		1681	}
1264		1682
1265	=item cf::player::find $login	1683	=item cf::player::find $login
1266		1684
1267	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
1268		1686
…		…
1287		1705
1288	sub exists($) {	1706	sub exists($) {
1289	my ($login) = @_;	1707	my ($login) = @_;
1290		1708
1291	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1292	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1293	}	1711	}
1294		1712
1295	sub find($) {	1713	sub find($) {
1296	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1297	my $login = $_[0];	1715	my $login = $_[0];
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1722	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1723	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1724	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1725	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1726
1309	my $pl = load_pl path $login	1727	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1728	or return;
		1729
		1730	my $pl = cf::player::load_pl $f
		1731	or return;
		1732
		1733	local $cf::PLAYER_LOADING{$login} = $pl;
		1734	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1312	}	1736	}
1313	}	1737	}
1314	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($pl, $path) = @_;
		1743
		1744	# restore slots saved in save, below
		1745	my $slots = delete $pl->{_slots};
		1746
		1747	$pl->ob->current_weapon ($slots->[0]);
		1748	$pl->combat_ob ($slots->[1]);
		1749	$pl->ranged_ob ($slots->[2]);
		1750	},
		1751	);
1315		1752
1316	sub save($) {	1753	sub save($) {
1317	my ($pl) = @_;	1754	my ($pl) = @_;
1318		1755
1319	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1323		1760
1324	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1325		1762
1326	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1327	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
		1765
		1766	cf::get_slot 0.01;
		1767
		1768	# save slots, to be restored later
		1769	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1328		1770
1329	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1772	cf::cede_to_tick;
1331	}	1773	}
1332		1774
…		…
1364	my ($pl) = @_;	1806	my ($pl) = @_;
1365		1807
1366	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1367		1809
1368	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1369	$pl->password ("*"); # this should lock out the player until we nuked the dir	1811	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1370		1812
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1372	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1374	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1375		1821
1376	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1378	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1416		1862
1417	for my $login (@$dirs) {	1863	for my $login (@$dirs) {
1418	my $path = path $login;	1864	my $path = path $login;
1419		1865
1420	# a .pst is a dead give-away for a valid player	1866	# a .pst is a dead give-away for a valid player
1421	unless (-e "$path.pst") {	1867	# if no pst file found, open and chekc for blocked users
		1868	if (aio_stat "$path.pst") {
1422	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1423	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1424	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
1425	}	1872	}
1426		1873
…		…
1430		1877
1431	\@logins	1878	\@logins
1432	}	1879	}
1433		1880
1434	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1435		1884
1436	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1437	player. May block.	1886	player. May block.
1438		1887
1439	=cut	1888	=cut
…		…
1457	}	1906	}
1458		1907
1459	\@paths	1908	\@paths
1460	}	1909	}
1461		1910
1462	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1463		1912
1464	Expand crossfire pod fragments into protocol xml.	1913	Expand deliantra pod fragments into protocol xml.
1465
1466	=cut
1467
1468	sub expand_cfpod {
1469	((my $self), (local $_)) = @_;
1470
1471	# escape & and <
1472	s/&/&amp;/g;
1473	s/(?<![BIUGHT])</&lt;/g;
1474
1475	# this is buggy, it needs to properly take care of nested <'s
1476
1477	1 while
1478	# replace B<>, I<>, U<> etc.
1479	s/B<([^\>]*)>/<b>$1<\/b>/
1480	|| s/I<([^\>]*)>/<i>$1<\/i>/
1481	|| s/U<([^\>]*)>/<u>$1<\/u>/
1482	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1483	# replace G<male|female> tags
1484	|| s{G<([^>|]*)\|([^>]*)>}{
1485	$self->gender ? $2 : $1
1486	}ge
1487	# replace H<hint text>
1488	|| s{H<([^\>]*)>}
1489	{
1490	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1491	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1492	"")
1493	[$self->{hintmode}]
1494	}ge;
1495
1496	# create single paragraphs (very hackish)
1497	s/(?<=\S)\n(?=\w)/ /g;
1498
1499	# compress some whitespace
1500	s/\s+\n/\n/g; # ws line-ends
1501	s/\n\n+/\n/g; # double lines
1502	s/^\n+//; # beginning lines
1503	s/\n+$//; # ending lines
1504
1505	$_
1506	}
1507
1508	sub hintmode {
1509	$_[0]{hintmode} = $_[1] if @_ > 1;
1510	$_[0]{hintmode}
1511	}
1512		1914
1513	=item $player->ext_reply ($msgid, @msg)	1915	=item $player->ext_reply ($msgid, @msg)
1514		1916
1515	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1516		1918
…		…
1548		1950
1549	=cut	1951	=cut
1550		1952
1551	sub find_by_path($) {	1953	sub find_by_path($) {
1552	my ($path) = @_;	1954	my ($path) = @_;
		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
1553		1957
1554	my ($match, $specificity);	1958	my ($match, $specificity);
1555		1959
1556	for my $region (list) {	1960	for my $region (list) {
1557	if ($region->{match} && $path =~ $region->{match}) {	1961	if ($region->{match} && $path =~ $region->{match}) {
…		…
1583	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1584	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1585		1989
1586	sub generate_random_map {	1990	sub generate_random_map {
1587	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1588	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1589	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1590	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1591	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1592	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1593	$rmp->{exit_on_final_map},
1594	$rmp->{xsize}, $rmp->{ysize},
1595	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1596	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1597	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1598	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1599	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1600	(cf::region::find $rmp->{region}), $rmp->{custom}
1601	)
1602	}	1996	}
1603		1997
1604	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1605		1999
1606	Register a handler for the map path matching the given regex at the	2000	Register a handler for the map path matching the given regex at the
…		…
1611		2005
1612	sub register {	2006	sub register {
1613	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1614	my $pkg = caller;	2008	my $pkg = caller;
1615		2009
1616	no strict;
1617	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1618		2011
1619	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1620	}	2013	}
1621		2014
1622	# also paths starting with '/'	2015	# also paths starting with '/'
1623	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1624		2017
1625	sub thawer_merge {	2018	sub thawer_merge {
1626	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1627		2020
1628	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
…		…
1633	}	2026	}
1634		2027
1635	sub normalise {	2028	sub normalise {
1636	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1637		2030
1638	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1639		2032
1640	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1641		2034
1642	# map plan:	2035	# map plan:
1643	#	2036	#
…		…
1658	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1659	$path = "$base/$path";	2052	$path = "$base/$path";
1660	}	2053	}
1661		2054
1662	for ($path) {	2055	for ($path) {
1663	redo if s{//}{/};
1664	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1665	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1666	}	2058	}
1667		2059
1668	$path	2060	$path
…		…
1682	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1683	return $self;	2075	return $self;
1684	}	2076	}
1685	}	2077	}
1686		2078
1687	Carp::cluck "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1688	()	2080	()
1689	}	2081	}
1690		2082
		2083	# may re-bless or do other evil things
1691	sub init {	2084	sub init {
1692	my ($self) = @_;	2085	my ($self) = @_;
1693		2086
1694	$self	2087	$self
1695	}	2088	}
…		…
1714		2107
1715	# the temporary/swap location	2108	# the temporary/swap location
1716	sub save_path {	2109	sub save_path {
1717	my ($self) = @_;	2110	my ($self) = @_;
1718		2111
1719	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1720	"$TMPDIR/$path.map"	2113	"$TMPDIR/$path.map"
1721	}	2114	}
1722		2115
1723	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1724	sub uniq_path {	2117	sub uniq_path {
1725	my ($self) = @_;	2118	my ($self) = @_;
1726		2119
1727	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1728	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1729	}
1730
1731	# and all this just because we cannot iterate over
1732	# all maps in C++...
1733	sub change_all_map_light {
1734	my ($change) = @_;
1735
1736	$_->change_map_light ($change)
1737	for grep $_->outdoor, values %cf::MAP;
1738	}	2122	}
1739		2123
1740	sub decay_objects {	2124	sub decay_objects {
1741	my ($self) = @_;	2125	my ($self) = @_;
1742		2126
…		…
1755		2139
1756	sub load_header_from($) {	2140	sub load_header_from($) {
1757	my ($self, $path) = @_;	2141	my ($self, $path) = @_;
1758		2142
1759	utf8::encode $path;	2143	utf8::encode $path;
1760	#aio_open $path, O_RDONLY, 0	2144	my $f = new_from_file cf::object::thawer $path
1761	# or return;
1762
1763	$self->_load_header ($path)
1764	or return;	2145	or return;
1765		2146
		2147	$self->_load_header ($f)
		2148	or return;
		2149
		2150	local $MAP_LOADING{$self->{path}} = $self;
		2151	$f->resolve_delayed_derefs;
		2152
1766	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1767		2154
1768	1	2155	1
1769	}	2156	}
1770		2157
		2158	# used to laod the header of an original map
1771	sub load_header_orig {	2159	sub load_header_orig {
1772	my ($self) = @_;	2160	my ($self) = @_;
1773		2161
1774	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1775	}	2163	}
1776		2164
		2165	# used to laod the header of an instantiated map
1777	sub load_header_temp {	2166	sub load_header_temp {
1778	my ($self) = @_;	2167	my ($self) = @_;
1779		2168
1780	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1781	}	2170	}
1782		2171
		2172	# called after loading the header from an instantiated map
1783	sub prepare_temp {	2173	sub prepare_temp {
1784	my ($self) = @_;	2174	my ($self) = @_;
1785		2175
1786	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1787	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1788	# safety	2178	# safety
1789	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1790	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1791	}	2181	}
1792		2182
		2183	# called after loading the header from an original map
1793	sub prepare_orig {	2184	sub prepare_orig {
1794	my ($self) = @_;	2185	my ($self) = @_;
1795		2186
1796	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1797	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1821		2212
1822	sub find;	2213	sub find;
1823	sub find {	2214	sub find {
1824	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1825		2216
		2217	cf::cede_to_tick;
		2218
1826	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1827		2220
		2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1828	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1829		2223
1830	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1831	my $guard = cf::lock_acquire "map_find:$path";
1832	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1833	or return;	2226	or return;
1834		2227
1835	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1836		2229
…		…
1838	or return;	2231	or return;
1839		2232
1840	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1841	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1842	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
		2237	undef $guard1;
1843	$map->reset;	2238	$map->reset;
1844	undef $guard;
1845	return find $path;	2239	return find $path;
1846	}	2240	}
1847		2241
1848	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1849	}	2243	}
1850	}	2244	}
1851		2245
1852	sub pre_load { }	2246	sub pre_load { }
1853	sub post_load { }	2247	#sub post_load { } # XS
1854		2248
1855	sub load {	2249	sub load {
1856	my ($self) = @_;	2250	my ($self) = @_;
1857		2251
1858	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
1859		2253
1860	my $path = $self->{path};	2254	my $path = $self->{path};
1861		2255
1862	{	2256	{
1863	my $guard1 = cf::lock_acquire "map_data:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1864	my $guard2 = cf::lock_acquire "map_load:$path";
1865		2258
		2259	return unless $self->valid;
1866	return if $self->in_memory != cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
1867
1868	$self->in_memory (cf::MAP_LOADING);
1869		2261
1870	$self->alloc;	2262	$self->alloc;
1871		2263
1872	$self->pre_load;	2264	$self->pre_load;
1873	cf::cede_to_tick;	2265	cf::cede_to_tick;
1874		2266
1875	$self->_load_objects ($self->{load_path}, 1)	2267	if (exists $self->{load_path}) {
		2268	my $f = new_from_file cf::object::thawer $self->{load_path};
		2269	$f->skip_block;
		2270	$self->_load_objects ($f)
1876	or return;	2271	or return;
1877		2272
1878	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1879	if delete $self->{load_original};	2274	if delete $self->{load_original};
1880		2275
1881	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1882	utf8::encode $uniq;	2277	utf8::encode $uniq;
1883	if (aio_open $uniq, O_RDONLY, 0) {	2278	unless (aio_stat $uniq) {
		2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1884	$self->clear_unique_items;	2280	$self->clear_unique_items;
1885	$self->_load_objects ($uniq, 0);	2281	$self->_load_objects ($f);
		2282	$f->resolve_delayed_derefs;
		2283	}
		2284	}
1886	}	2285	}
		2286
		2287	$f->resolve_delayed_derefs;
		2288	} else {
		2289	$self->post_load_original
		2290	if delete $self->{load_original};
1887	}	2291	}
		2292
		2293	$self->state (cf::MAP_INACTIVE);
1888		2294
1889	cf::cede_to_tick;	2295	cf::cede_to_tick;
1890	# now do the right thing for maps	2296	# now do the right thing for maps
1891	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
1892	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
…		…
1896	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
1897	$self->decay_objects;	2303	$self->decay_objects;
1898	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
1899	$self->update_buttons;	2305	$self->update_buttons;
1900	cf::cede_to_tick;	2306	cf::cede_to_tick;
1901	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
1902	cf::cede_to_tick;
1903	$self->activate;
1904	}	2308	}
1905		2309
1906	$self->{last_save} = $cf::RUNTIME;	2310	$self->{last_save} = $cf::RUNTIME;
1907	$self->last_access ($cf::RUNTIME);	2311	$self->last_access ($cf::RUNTIME);
1908
1909	$self->in_memory (cf::MAP_IN_MEMORY);
1910	}	2312	}
1911		2313
1912	$self->post_load;	2314	$self->post_load;
1913	}
1914		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
1915	sub customise_for {	2322	sub customise_for {
1916	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
1917		2324
1918	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
1919	if $self->per_player;	2326	if $self->per_player;
…		…
1922	# if $self->per_party;	2329	# if $self->per_party;
1923		2330
1924	$self	2331	$self
1925	}	2332	}
1926		2333
1927	# find and load all maps in the 3x3 area around a map
1928	sub load_neighbours {
1929	my ($map) = @_;
1930
1931	my @neigh; # diagonal neighbours
1932
1933	for (0 .. 3) {
1934	my $neigh = $map->tile_path ($_)
1935	or next;
1936	$neigh = find $neigh, $map
1937	or next;
1938	$neigh->load;
1939
1940	push @neigh,
1941	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1942	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1943	}
1944
1945	for (grep defined $_->[0], @neigh) {
1946	my ($path, $origin) = @$_;
1947	my $neigh = find $path, $origin
1948	or next;
1949	$neigh->load;
1950	}
1951	}
1952
1953	sub find_sync {	2334	sub find_sync {
1954	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
1955		2336
1956	cf::sync_job { find $path, $origin }	2337	# it's a bug to call this from the main context
		2338	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2339	if $Coro::current == $Coro::main;
		2340
		2341	find $path, $origin
1957	}	2342	}
1958		2343
1959	sub do_load_sync {	2344	sub do_load_sync {
1960	my ($map) = @_;	2345	my ($map) = @_;
1961		2346
		2347	# it's a bug to call this from the main context
1962	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1963	if $Coro::current == $Coro::main;	2349	if $Coro::current == $Coro::main;
1964		2350
1965	cf::sync_job { $map->load };	2351	$map->load;
1966	}	2352	}
1967		2353
1968	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
1969	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
1970		2356
1971	sub find_async {	2357	sub find_async {
1972	my ($path, $origin, $load) = @_;	2358	my ($path, $origin, $load) = @_;
1973		2359
1974	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
1975		2361
1976	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
1977	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
1978	}	2364	}
1979		2365
1980	$MAP_PREFETCH{$path} |= $load;	2366	$MAP_PREFETCH{$path} |= $load;
1981		2367
1982	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
		2369	$Coro::current->{desc} = "map prefetcher";
		2370
1983	while (%MAP_PREFETCH) {	2371	while (%MAP_PREFETCH) {
1984	while (my ($k, $v) = each %MAP_PREFETCH) {	2372	while (my ($k, $v) = each %MAP_PREFETCH) {
1985	if (my $map = find $k) {	2373	if (my $map = find $k) {
1986	$map->load if $v;	2374	$map->load if $v;
1987	}	2375	}
…		…
1994	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
1995		2383
1996	()	2384	()
1997	}	2385	}
1998		2386
		2387	# common code, used by both ->save and ->swapout
1999	sub save {	2388	sub _save {
2000	my ($self) = @_;	2389	my ($self) = @_;
2001
2002	my $lock = cf::lock_acquire "map_data:$self->{path}";
2003		2390
2004	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
2005		2392
2006	return unless $self->dirty;	2393	return unless $self->dirty;
2007		2394
…		…
2013	return if $self->{deny_save};	2400	return if $self->{deny_save};
2014		2401
2015	local $self->{last_access} = $self->last_access;#d#	2402	local $self->{last_access} = $self->last_access;#d#
2016		2403
2017	cf::async {	2404	cf::async {
		2405	$Coro::current->{desc} = "map player save";
2018	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
2019	};	2407	};
		2408
		2409	cf::get_slot 0.02;
2020		2410
2021	if ($uniq) {	2411	if ($uniq) {
2022	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2023	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2024	} else {	2414	} else {
2025	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2026	}	2416	}
2027	}	2417	}
2028		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
2029	sub swap_out {	2427	sub swap_out {
2030	my ($self) = @_;	2428	my ($self) = @_;
2031		2429
2032	# save first because save cedes
2033	$self->save;
2034
2035	my $lock = cf::lock_acquire "map_data:$self->{path}";	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
2036		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
2037	return if $self->players;	2434	return if $self->players;
2038	return if $self->in_memory != cf::MAP_IN_MEMORY;
2039	return if $self->{deny_save};
2040		2435
		2436	# first deactivate the map and "unlink" it from the core
		2437	$self->deactivate;
		2438	$_->clear_links_to ($self) for values %cf::MAP;
		2439	$self->state (cf::MAP_SWAPPED);
		2440
		2441	# then atomically save
		2442	$self->_save;
		2443
		2444	# then free the map
2041	$self->clear;	2445	$self->clear;
2042	$self->in_memory (cf::MAP_SWAPPED);
2043	}	2446	}
2044		2447
2045	sub reset_at {	2448	sub reset_at {
2046	my ($self) = @_;	2449	my ($self) = @_;
2047		2450
…		…
2065		2468
2066	my $lock = cf::lock_acquire "map_data:$self->{path}";	2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
2067		2470
2068	return if $self->players;	2471	return if $self->players;
2069		2472
2070	warn "resetting map ", $self->path;	2473	cf::trace "resetting map ", $self->path, "\n";
2071		2474
2072	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
2073		2476
2074	# need to save uniques path	2477	# need to save uniques path
2075	unless ($self->{deny_save}) {	2478	unless ($self->{deny_save}) {
2076	my $uniq = $self->uniq_path; utf8::encode $uniq;	2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
2077		2480
…		…
2079	if $uniq;	2482	if $uniq;
2080	}	2483	}
2081		2484
2082	delete $cf::MAP{$self->path};	2485	delete $cf::MAP{$self->path};
2083		2486
		2487	$self->deactivate;
		2488	$_->clear_links_to ($self) for values %cf::MAP;
2084	$self->clear;	2489	$self->clear;
2085
2086	$_->clear_links_to ($self) for values %cf::MAP;
2087		2490
2088	$self->unlink_save;	2491	$self->unlink_save;
2089	$self->destroy;	2492	$self->destroy;
2090	}	2493	}
2091		2494
…		…
2099		2502
2100	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
2101		2504
2102	$self->unlink_save;	2505	$self->unlink_save;
2103		2506
2104	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
2105	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
2106	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
2107	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
2108	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2109		2512
…		…
2158		2561
2159	sub unique_maps() {	2562	sub unique_maps() {
2160	[	2563	[
2161	map {	2564	map {
2162	utf8::decode $_;	2565	utf8::decode $_;
2163	/\.map$/	2566	s/\.map$//; # TODO future compatibility hack
		2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2568	? ()
2164	? normalise $_	2569	: normalise $_
2165	: ()
2166	} @{ aio_readdir $UNIQUEDIR or [] }	2570	} @{ aio_readdir $UNIQUEDIR or [] }
2167	]	2571	]
2168	}	2572	}
2169		2573
2170	package cf;	2574	=item cf::map::static_maps
		2575
		2576	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2577	file in the shared directory excluding F</styles> and F</editor>). May
		2578	block.
		2579
		2580	=cut
		2581
		2582	sub static_maps() {
		2583	my @dirs = "";
		2584	my @maps;
		2585
		2586	while (@dirs) {
		2587	my $dir = shift @dirs;
		2588
		2589	next if $dir eq "/styles" || $dir eq "/editor";
		2590
		2591	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2592	or return;
		2593
		2594	for (@$files) {
		2595	s/\.map$// or next;
		2596	utf8::decode $_;
		2597	push @maps, "$dir/$_";
		2598	}
		2599
		2600	push @dirs, map "$dir/$_", @$dirs;
		2601	}
		2602
		2603	\@maps
		2604	}
2171		2605
2172	=back	2606	=back
2173		2607
2174	=head3 cf::object	2608	=head3 cf::object
2175		2609
…		…
2179		2613
2180	=over 4	2614	=over 4
2181		2615
2182	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
2183		2617
2184	Returns the inventory of the object _and_ their inventories, recursively.	2618	Returns the inventory of the object I<and> their inventories, recursively,
		2619	but I<not> the object itself.
2185		2620
2186	=cut	2621	=cut
2187		2622
2188	sub inv_recursive_;	2623	sub inv_recursive_;
2189	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
2192		2627
2193	sub inv_recursive {	2628	sub inv_recursive {
2194	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
2195	}	2630	}
2196		2631
		2632	=item $ref = $ob->ref
		2633
		2634	Creates and returns a persistent reference to an object that can be stored as a string.
		2635
		2636	=item $ob = cf::object::deref ($refstring)
		2637
		2638	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2639	even if the object actually exists. May block.
		2640
		2641	=cut
		2642
		2643	sub deref {
		2644	my ($ref) = @_;
		2645
		2646	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2647	my ($uuid, $name) = ($1, $2);
		2648	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2649	or return;
		2650	$pl->ob->uuid eq $uuid
		2651	or return;
		2652
		2653	$pl->ob
		2654	} else {
		2655	warn "$ref: cannot resolve object reference\n";
		2656	undef
		2657	}
		2658	}
		2659
2197	package cf;	2660	package cf;
2198		2661
2199	=back	2662	=back
2200		2663
2201	=head3 cf::object::player	2664	=head3 cf::object::player
…		…
2207	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2670	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2208	can be C<undef>. Does the right thing when the player is currently in a	2671	can be C<undef>. Does the right thing when the player is currently in a
2209	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
2210		2673
2211	=cut	2674	=cut
		2675
		2676	our $SAY_CHANNEL = {
		2677	id => "say",
		2678	title => "Map",
		2679	reply => "say ",
		2680	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2681	};
		2682
		2683	our $CHAT_CHANNEL = {
		2684	id => "chat",
		2685	title => "Chat",
		2686	reply => "chat ",
		2687	tooltip => "Player chat and shouts, global to the server.",
		2688	};
2212		2689
2213	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
2214	# with dialog boxes.	2691	# with dialog boxes.
2215	#TODO: the first argument must go, split into a $npc->reply_to ( method	2692	#TODO: the first argument must go, split into a $npc->reply_to ( method
2216	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
…		…
2228	my $dialog = $pl->{npc_dialog};	2705	my $dialog = $pl->{npc_dialog};
2229	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2230		2707
2231	} else {	2708	} else {
2232	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
2233	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2234	}	2711	}
2235	}	2712	}
2236	}	2713	}
2237		2714
2238	=item $object->send_msg ($channel, $msg, $color, [extra...])	2715	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2263		2740
2264	=item $player_object->enter_link	2741	=item $player_object->enter_link
2265		2742
2266	Freezes the player and moves him/her to a special map (C<{link}>).	2743	Freezes the player and moves him/her to a special map (C<{link}>).
2267		2744
2268	The player should be reasonably safe there for short amounts of time. You	2745	The player should be reasonably safe there for short amounts of time (e.g.
2269	I<MUST> call C<leave_link> as soon as possible, though.	2746	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2747	though, as the player cannot control the character while it is on the link
		2748	map.
2270		2749
2271	Will never block.	2750	Will never block.
2272		2751
2273	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
2274		2753
…		…
2294	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
2295	my ($self) = @_;	2774	my ($self) = @_;
2296		2775
2297	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
2298		2777
		2778	++$self->{_link_recursion};
		2779
2299	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
2300		2781
2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2302	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
2303		2784
2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2305	}	2786	}
2306		2787
2307	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
2308	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
2309		2790
…		…
2326	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
2327	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
2328		2809
2329	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
2330	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
2331	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
2332		2813
2333	$map->load;	2814	$map->load;
2334	$map->load_neighbours;
2335		2815
2336	return unless $self->contr->active;	2816	return unless $self->contr->active;
2337	$self->activate_recursive;
2338		2817
2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2340	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
2341	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
2342		2825
		2826	}
		2827
2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2344		2829
2345	Moves the player to the given map-path and coordinates by first freezing	2830	Moves the player to the given map-path and coordinates by first freezing
2346	her, loading and preparing them map, calling the provided $check callback	2831	her, loading and preparing them map, calling the provided $check callback
2347	that has to return the map if sucecssful, and then unfreezes the player on	2832	that has to return the map if sucecssful, and then unfreezes the player on
2348	the new (success) or old (failed) map position. In either case, $done will	2833	the new (success) or old (failed) map position. In either case, $done will
2349	be called at the end of this process.	2834	be called at the end of this process.
2350		2835
		2836	Note that $check will be called with a potentially non-loaded map, so if
		2837	it needs a loaded map it has to call C<< ->load >>.
		2838
2351	=cut	2839	=cut
2352		2840
2353	our $GOTOGEN;	2841	our $GOTOGEN;
2354		2842
2355	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
2356	my ($self, $path, $x, $y, $check, $done) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
2357		2845
		2846	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2847	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2848	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2849	($path, $x, $y) = @$EMERGENCY_POSITION;
		2850	}
		2851
2358	# do generation counting so two concurrent goto's will be executed in-order	2852	# do generation counting so two concurrent goto's will be executed in-order
2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2360		2854
2361	$self->enter_link;	2855	$self->enter_link;
2362		2856
2363	(async {	2857	(async {
		2858	$Coro::current->{desc} = "player::goto $path $x $y";
		2859
		2860	# *tag paths override both path and x|y
		2861	if ($path =~ /^\*(.*)$/) {
		2862	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2863	my $ob = $obs[rand @obs];
		2864
		2865	# see if we actually can go there
		2866	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2867	$ob = $obs[rand @obs];
		2868	} else {
		2869	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2870	}
		2871	# else put us there anyways for now #d#
		2872
		2873	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2874	} else {
		2875	($path, $x, $y) = (undef, undef, undef);
		2876	}
		2877	}
		2878
2364	my $map = eval {	2879	my $map = eval {
2365	my $map = cf::map::find $path;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2366		2881
2367	if ($map) {	2882	if ($map) {
2368	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
2369	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
2370	} else {	2885	} else {
2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2372	}	2887	}
2373		2888
2374	$map	2889	$map
2375	};	2890	};
2376		2891
…		…
2382	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
2383	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
2384	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
2385	}	2900	}
2386		2901
2387	$done->() if $done;	2902	$done->($self) if $done;
2388	})->prio (1);	2903	})->prio (1);
2389	}	2904	}
2390		2905
2391	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2392		2907
…		…
2412	}	2927	}
2413		2928
2414	sub prepare_random_map {	2929	sub prepare_random_map {
2415	my ($exit) = @_;	2930	my ($exit) = @_;
2416		2931
2417	my $guard = cf::lock_acquire "exit_prepare:$exit";
2418
2419	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
2420	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
2421	# that depends on the exit object	2934	# that depends on the exit object
2422		2935
2423	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2425	if ($exit->map) {	2938	if ($exit->map) {
2426	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2427	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2428	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2429	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2430	}	2945	}
2431		2946
2432	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2433		2948
2434	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2435	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
2436	my $meta = "$RANDOMDIR/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
2437		2952
2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2439	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2440	undef $fh;	2955	undef $fh;
2441	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2442		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2443	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2444	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2445	}	2964	}
2446	}	2965	}
2447		2966
2448	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2449	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2450		2969
2451	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2452		2971
2453	if ($exit->slaying eq "/!") {
2454	#TODO: this should de-fi-ni-te-ly not be a sync-job
2455	# the problem is that $exit might not survive long enough
2456	# so it needs to be done right now, right here
2457	cf::sync_job { prepare_random_map $exit };
2458	}
2459
2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2461	my $hp = $exit->stats->hp;
2462	my $sp = $exit->stats->sp;
2463
2464	$self->enter_link;	2972	$self->enter_link;
2465		2973
2466	# if exit is damned, update players death & WoR home-position
2467	$self->contr->savebed ($slaying, $hp, $sp)
2468	if $exit->flag (FLAG_DAMNED);
2469
2470	(async {	2974	(async {
2471	$self->deactivate_recursive; # just to be sure	2975	$Coro::current->{desc} = "enter_exit";
		2976
2472	unless (eval {	2977	unless (eval {
		2978	$self->deactivate_recursive; # just to be sure
		2979
		2980	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2981	my $x = $exit->stats->hp;
		2982	my $y = $exit->stats->sp;
		2983
		2984	# special map handling
		2985	my $slaying = $exit->slaying;
		2986
		2987	# special map handling
		2988	if ($slaying eq "/!") {
		2989	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2990
		2991	prepare_random_map $exit
		2992	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2993
		2994	$map = $exit->slaying;
		2995
		2996	} elsif ($slaying eq '!up') {
		2997	$map = $exit->map->tile_path (cf::TILE_UP);
		2998	$x = $exit->x;
		2999	$y = $exit->y;
		3000
		3001	} elsif ($slaying eq '!down') {
		3002	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3003	$x = $exit->x;
		3004	$y = $exit->y;
		3005	}
		3006
2473	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2474		3008
		3009	# if exit is damned, update players death & WoR home-position
		3010	$self->contr->savebed ($map, $x, $y)
		3011	if $exit->flag (cf::FLAG_DAMNED);
		3012
2475	1;	3013	1
2476	}) {	3014	}) {
2477	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2478	. "I'll try to bring you back to the map you were before. "	3016	. "I'll try to bring you back to the map you were before. "
2479	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2480	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2481		3019
2482	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2483	$self->leave_link;	3021	$self->leave_link;
2484	}	3022	}
2485	})->prio (1);	3023	})->prio (1);
2486	}	3024	}
2487		3025
…		…
2499	sub cf::client::send_drawinfo {	3037	sub cf::client::send_drawinfo {
2500	my ($self, $text, $flags) = @_;	3038	my ($self, $text, $flags) = @_;
2501		3039
2502	utf8::encode $text;	3040	utf8::encode $text;
2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3041	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3042	}
		3043
		3044	=item $client->send_big_packet ($pkt)
		3045
		3046	Like C<send_packet>, but tries to compress large packets, and fragments
		3047	them as required.
		3048
		3049	=cut
		3050
		3051	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3052
		3053	sub cf::client::send_big_packet {
		3054	my ($self, $pkt) = @_;
		3055
		3056	# try lzf for large packets
		3057	$pkt = "lzf " . Compress::LZF::compress $pkt
		3058	if 1024 <= length $pkt and $self->{can_lzf};
		3059
		3060	# split very large packets
		3061	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3062	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3063	$pkt = "frag";
		3064	}
		3065
		3066	$self->send_packet ($pkt);
2504	}	3067	}
2505		3068
2506	=item $client->send_msg ($channel, $msg, $color, [extra...])	3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
2507		3070
2508	Send a drawinfo or msg packet to the client, formatting the msg for the	3071	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2510	the message, with C<log> being the default. If C<$color> is negative, suppress	3073	the message, with C<log> being the default. If C<$color> is negative, suppress
2511	the message unless the client supports the msg packet.	3074	the message unless the client supports the msg packet.
2512		3075
2513	=cut	3076	=cut
2514		3077
		3078	# non-persistent channels (usually the info channel)
2515	our %CHANNEL = (	3079	our %CHANNEL = (
		3080	"c/motd" => {
		3081	id => "infobox",
		3082	title => "MOTD",
		3083	reply => undef,
		3084	tooltip => "The message of the day",
		3085	},
2516	"c/identify" => {	3086	"c/identify" => {
2517	id => "identify",	3087	id => "infobox",
2518	title => "Identify",	3088	title => "Identify",
2519	reply => undef,	3089	reply => undef,
2520	tooltip => "Items recently identified",	3090	tooltip => "Items recently identified",
2521	},	3091	},
2522	"c/examine" => {	3092	"c/examine" => {
2523	id => "examine",	3093	id => "infobox",
2524	title => "Examine",	3094	title => "Examine",
2525	reply => undef,	3095	reply => undef,
2526	tooltip => "Signs and other items you examined",	3096	tooltip => "Signs and other items you examined",
2527	},	3097	},
		3098	"c/shopinfo" => {
		3099	id => "infobox",
		3100	title => "Shop Info",
		3101	reply => undef,
		3102	tooltip => "What your bargaining skill tells you about the shop",
		3103	},
		3104	"c/book" => {
		3105	id => "infobox",
		3106	title => "Book",
		3107	reply => undef,
		3108	tooltip => "The contents of a note or book",
		3109	},
		3110	"c/lookat" => {
		3111	id => "infobox",
		3112	title => "Look",
		3113	reply => undef,
		3114	tooltip => "What you saw there",
		3115	},
		3116	"c/who" => {
		3117	id => "infobox",
		3118	title => "Players",
		3119	reply => undef,
		3120	tooltip => "Shows players who are currently online",
		3121	},
		3122	"c/body" => {
		3123	id => "infobox",
		3124	title => "Body Parts",
		3125	reply => undef,
		3126	tooltip => "Shows which body parts you posess and are available",
		3127	},
		3128	"c/statistics" => {
		3129	id => "infobox",
		3130	title => "Statistics",
		3131	reply => undef,
		3132	tooltip => "Shows your primary statistics",
		3133	},
		3134	"c/skills" => {
		3135	id => "infobox",
		3136	title => "Skills",
		3137	reply => undef,
		3138	tooltip => "Shows your experience per skill and item power",
		3139	},
		3140	"c/shopitems" => {
		3141	id => "infobox",
		3142	title => "Shop Items",
		3143	reply => undef,
		3144	tooltip => "Shows the items currently for sale in this shop",
		3145	},
		3146	"c/resistances" => {
		3147	id => "infobox",
		3148	title => "Resistances",
		3149	reply => undef,
		3150	tooltip => "Shows your resistances",
		3151	},
		3152	"c/pets" => {
		3153	id => "infobox",
		3154	title => "Pets",
		3155	reply => undef,
		3156	tooltip => "Shows information abotu your pets/a specific pet",
		3157	},
		3158	"c/perceiveself" => {
		3159	id => "infobox",
		3160	title => "Perceive Self",
		3161	reply => undef,
		3162	tooltip => "You gained detailed knowledge about yourself",
		3163	},
		3164	"c/uptime" => {
		3165	id => "infobox",
		3166	title => "Uptime",
		3167	reply => undef,
		3168	tooltip => "How long the server has been running since last restart",
		3169	},
		3170	"c/mapinfo" => {
		3171	id => "infobox",
		3172	title => "Map Info",
		3173	reply => undef,
		3174	tooltip => "Information related to the maps",
		3175	},
		3176	"c/party" => {
		3177	id => "party",
		3178	title => "Party",
		3179	reply => "gsay ",
		3180	tooltip => "Messages and chat related to your party",
		3181	},
		3182	"c/death" => {
		3183	id => "death",
		3184	title => "Death",
		3185	reply => undef,
		3186	tooltip => "Reason for and more info about your most recent death",
		3187	},
		3188	"c/say" => $SAY_CHANNEL,
		3189	"c/chat" => $CHAT_CHANNEL,
2528	);	3190	);
2529		3191
2530	sub cf::client::send_msg {	3192	sub cf::client::send_msg {
2531	my ($self, $channel, $msg, $color, @extra) = @_;	3193	my ($self, $channel, $msg, $color, @extra) = @_;
2532		3194
2533	$msg = $self->pl->expand_cfpod ($msg);	3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
2534		3197
2535	$color &= cf::NDI_CLIENT_MASK; # just in case...	3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
2536		3199
2537	# check predefined channels, for the benefit of C	3200	# check predefined channels, for the benefit of C
2538	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3201	if ($CHANNEL{$channel}) {
		3202	$channel = $CHANNEL{$channel};
2539		3203
		3204	$self->ext_msg (channel_info => $channel);
		3205	$channel = $channel->{id};
		3206
2540	if (ref $channel) {	3207	} elsif (ref $channel) {
2541	# send meta info to client, if not yet sent	3208	# send meta info to client, if not yet sent
2542	unless (exists $self->{channel}{$channel->{id}}) {	3209	unless (exists $self->{channel}{$channel->{id}}) {
2543	$self->{channel}{$channel->{id}} = $channel;	3210	$self->{channel}{$channel->{id}} = $channel;
2544	$self->ext_msg (channel_info => $channel)	3211	$self->ext_msg (channel_info => $channel);
2545	if $self->can_msg;
2546	}	3212	}
2547		3213
2548	$channel = $channel->{id};	3214	$channel = $channel->{id};
2549	}	3215	}
2550		3216
2551	return unless @extra || length $msg;	3217	return unless @extra || length $msg;
2552		3218
2553	if ($self->can_msg) {
2554	# default colour, mask it out	3219	# default colour, mask it out
2555	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2556	if $color & cf::NDI_DEF;	3221	if $color & cf::NDI_DEF;
2557		3222
2558	$self->send_packet ("msg " . $self->{json_coder}->encode (	3223	my $pkt = "msg "
		3224	. $self->{json_coder}->encode (
2559	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2560	} else {	3226	);
2561	if ($color >= 0) {
2562	# replace some tags by gcfclient-compatible ones
2563	for ($msg) {
2564	1 while
2565	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2566	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2567	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2568	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2569	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2570	}
2571		3227
2572	$color &= cf::NDI_COLOR_MASK;	3228	$self->send_big_packet ($pkt);
2573
2574	utf8::encode $msg;
2575
2576	if (0 && $msg =~ /\[/) {
2577	# COMMAND/INFO
2578	$self->send_packet ("drawextinfo $color 10 8 $msg")
2579	} else {
2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2581	$self->send_packet ("drawinfo $color $msg")
2582	}
2583	}
2584	}
2585	}	3229	}
2586		3230
2587	=item $client->ext_msg ($type, @msg)	3231	=item $client->ext_msg ($type, @msg)
2588		3232
2589	Sends an ext event to the client.	3233	Sends an ext event to the client.
…		…
2591	=cut	3235	=cut
2592		3236
2593	sub cf::client::ext_msg($$@) {	3237	sub cf::client::ext_msg($$@) {
2594	my ($self, $type, @msg) = @_;	3238	my ($self, $type, @msg) = @_;
2595		3239
2596	if ($self->extcmd == 2) {
2597	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2598	} elsif ($self->extcmd == 1) { # TODO: remove
2599	push @msg, msgtype => "event_$type";
2600	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2601	}
2602	}	3241	}
2603		3242
2604	=item $client->ext_reply ($msgid, @msg)	3243	=item $client->ext_reply ($msgid, @msg)
2605		3244
2606	Sends an ext reply to the client.	3245	Sends an ext reply to the client.
…		…
2608	=cut	3247	=cut
2609		3248
2610	sub cf::client::ext_reply($$@) {	3249	sub cf::client::ext_reply($$@) {
2611	my ($self, $id, @msg) = @_;	3250	my ($self, $id, @msg) = @_;
2612		3251
2613	if ($self->extcmd == 2) {
2614	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3252	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2615	} elsif ($self->extcmd == 1) {
2616	#TODO: version 1, remove
2617	unshift @msg, msgtype => "reply", msgid => $id;
2618	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2619	}
2620	}	3253	}
2621		3254
2622	=item $success = $client->query ($flags, "text", \&cb)	3255	=item $success = $client->query ($flags, "text", \&cb)
2623		3256
2624	Queues a query to the client, calling the given callback with	3257	Queues a query to the client, calling the given callback with
…		…
2679	my ($ns, $buf) = @_;	3312	my ($ns, $buf) = @_;
2680		3313
2681	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3314	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2682		3315
2683	if (ref $msg) {	3316	if (ref $msg) {
2684	my ($type, $reply, @payload) =	3317	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2685	"ARRAY" eq ref $msg
2686	? @$msg
2687	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2688		3318
2689	my @reply;	3319	my @reply;
2690		3320
2691	if (my $cb = $EXTICMD{$type}) {	3321	if (my $cb = $EXTICMD{$type}) {
2692	@reply = $cb->($ns, @payload);	3322	@reply = $cb->($ns, @payload);
…		…
2694		3324
2695	$ns->ext_reply ($reply, @reply)	3325	$ns->ext_reply ($reply, @reply)
2696	if $reply;	3326	if $reply;
2697		3327
2698	} else {	3328	} else {
2699	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3329	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2700	}	3330	}
2701		3331
2702	cf::override;	3332	cf::override;
2703	},	3333	},
2704	);	3334	);
…		…
2724		3354
2725	$coro	3355	$coro
2726	}	3356	}
2727		3357
2728	cf::client->attach (	3358	cf::client->attach (
2729	on_destroy => sub {	3359	on_client_destroy => sub {
2730	my ($ns) = @_;	3360	my ($ns) = @_;
2731		3361
2732	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3362	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2733	},	3363	},
2734	);	3364	);
…		…
2750	our $safe_hole = new Safe::Hole;	3380	our $safe_hole = new Safe::Hole;
2751		3381
2752	$SIG{FPE} = 'IGNORE';	3382	$SIG{FPE} = 'IGNORE';
2753		3383
2754	$safe->permit_only (Opcode::opset qw(	3384	$safe->permit_only (Opcode::opset qw(
2755	:base_core :base_mem :base_orig :base_math	3385	:base_core :base_mem :base_orig :base_math :base_loop
2756	grepstart grepwhile mapstart mapwhile	3386	grepstart grepwhile mapstart mapwhile
2757	sort time	3387	sort time
2758	));	3388	));
2759		3389
2760	# here we export the classes and methods available to script code	3390	# here we export the classes and methods available to script code
…		…
2762	=pod	3392	=pod
2763		3393
2764	The following functions and methods are available within a safe environment:	3394	The following functions and methods are available within a safe environment:
2765		3395
2766	cf::object	3396	cf::object
2767	contr pay_amount pay_player map x y force_find force_add	3397	contr pay_amount pay_player map x y force_find force_add destroy
2768	insert remove name archname title slaying race decrease_ob_nr	3398	insert remove name archname title slaying race decrease split
		3399	value
2769		3400
2770	cf::object::player	3401	cf::object::player
2771	player	3402	player
2772		3403
2773	cf::player	3404	cf::player
…		…
2778		3409
2779	=cut	3410	=cut
2780		3411
2781	for (	3412	for (
2782	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3413	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2783	insert remove inv name archname title slaying race	3414	insert remove inv nrof name archname title slaying race
2784	decrease_ob_nr)],	3415	decrease split destroy change_exp value msg lore send_msg)],
2785	["cf::object::player" => qw(player)],	3416	["cf::object::player" => qw(player)],
2786	["cf::player" => qw(peaceful)],	3417	["cf::player" => qw(peaceful send_msg)],
2787	["cf::map" => qw(trigger)],	3418	["cf::map" => qw(trigger)],
2788	) {	3419	) {
2789	no strict 'refs';
2790	my ($pkg, @funs) = @$_;	3420	my ($pkg, @funs) = @$_;
2791	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3421	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2792	for @funs;	3422	for @funs;
2793	}	3423	}
2794		3424
…		…
2809		3439
2810	my $qcode = $code;	3440	my $qcode = $code;
2811	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3441	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2812	$qcode =~ s/\n/\\n/g;	3442	$qcode =~ s/\n/\\n/g;
2813		3443
		3444	%vars = (_dummy => 0) unless %vars;
		3445
		3446	my @res;
2814	local $_;	3447	local $_;
2815	local @safe::cf::_safe_eval_args = values %vars;
2816		3448
2817	my $eval =	3449	my $eval =
2818	"do {\n"	3450	"do {\n"
2819	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3451	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2820	. "#line 0 \"{$qcode}\"\n"	3452	. "#line 0 \"{$qcode}\"\n"
2821	. $code	3453	. $code
2822	. "\n}"	3454	. "\n}"
2823	;	3455	;
2824		3456
		3457	if ($CFG{safe_eval}) {
2825	sub_generation_inc;	3458	sub_generation_inc;
		3459	local @safe::cf::_safe_eval_args = values %vars;
2826	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3460	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2827	sub_generation_inc;	3461	sub_generation_inc;
		3462	} else {
		3463	local @cf::_safe_eval_args = values %vars;
		3464	@res = wantarray ? eval eval : scalar eval $eval;
		3465	}
2828		3466
2829	if ($@) {	3467	if ($@) {
2830	warn "$@";	3468	warn "$@",
2831	warn "while executing safe code '$code'\n";	3469	"while executing safe code '$code'\n",
2832	warn "with arguments " . (join " ", %vars) . "\n";	3470	"with arguments " . (join " ", %vars) . "\n";
2833	}	3471	}
2834		3472
2835	wantarray ? @res : $res[0]	3473	wantarray ? @res : $res[0]
2836	}	3474	}
2837		3475
…		…
2851	=cut	3489	=cut
2852		3490
2853	sub register_script_function {	3491	sub register_script_function {
2854	my ($fun, $cb) = @_;	3492	my ($fun, $cb) = @_;
2855		3493
2856	no strict 'refs';	3494	$fun = "safe::$fun" if $CFG{safe_eval};
2857	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3495	*$fun = $safe_hole->wrap ($cb);
2858	}	3496	}
2859		3497
2860	=back	3498	=back
2861		3499
2862	=cut	3500	=cut
2863		3501
2864	#############################################################################	3502	#############################################################################
2865	# the server's init and main functions	3503	# the server's init and main functions
		3504
		3505	our %FACEHASH; # hash => idx, #d# HACK for http server
		3506
		3507	# internal api, not fianlised
		3508	sub add_face {
		3509	my ($name, $type, $data) = @_;
		3510
		3511	my $idx = cf::face::find $name;
		3512
		3513	if ($idx) {
		3514	delete $FACEHASH{cf::face::get_chksum $idx};
		3515	} else {
		3516	$idx = cf::face::alloc $name;
		3517	}
		3518
		3519	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3520
		3521	cf::face::set_type $idx, $type;
		3522	cf::face::set_data $idx, 0, $data, $hash;
		3523	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3524	$FACEHASH{$hash} = $idx;#d#
		3525
		3526	$idx
		3527	}
2866		3528
2867	sub load_facedata($) {	3529	sub load_facedata($) {
2868	my ($path) = @_;	3530	my ($path) = @_;
2869		3531
2870	# HACK to clear player env face cache, we need some signal framework	3532	# HACK to clear player env face cache, we need some signal framework
2871	# for this (global event?)	3533	# for this (global event?)
2872	%ext::player_env::MUSIC_FACE_CACHE = ();	3534	%ext::player_env::MUSIC_FACE_CACHE = ();
2873		3535
2874	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3536	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2875		3537
2876	warn "loading facedata from $path\n";	3538	trace "loading facedata from $path\n";
2877		3539
2878	my $facedata;	3540	my $facedata = decode_storable load_file $path;
2879	0 < aio_load $path, $facedata
2880	or die "$path: $!";
2881
2882	$facedata = Coro::Storable::thaw $facedata;
2883		3541
2884	$facedata->{version} == 2	3542	$facedata->{version} == 2
2885	or cf::cleanup "$path: version mismatch, cannot proceed.";	3543	or cf::cleanup "$path: version mismatch, cannot proceed.";
2886		3544
2887	# patch in the exptable
2888	$facedata->{resource}{"res/exp_table"} = {
2889	type => FT_RSRC,
2890	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2891	};
2892	cf::cede_to_tick;	3545	cf::cede_to_tick;
2893		3546
2894	{	3547	{
2895	my $faces = $facedata->{faceinfo};	3548	my $faces = $facedata->{faceinfo};
2896		3549
2897	while (my ($face, $info) = each %$faces) {	3550	for my $face (sort keys %$faces) {
		3551	my $info = $faces->{$face};
2898	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3552	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3553
2899	cf::face::set_visibility $idx, $info->{visibility};	3554	cf::face::set_visibility $idx, $info->{visibility};
2900	cf::face::set_magicmap $idx, $info->{magicmap};	3555	cf::face::set_magicmap $idx, $info->{magicmap};
2901	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3556	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2902	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3557	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3558	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3559	$FACEHASH{$info->{hash64}} = $idx;#d#
2903		3560
2904	cf::cede_to_tick;	3561	cf::cede_to_tick;
2905	}	3562	}
2906		3563
2907	while (my ($face, $info) = each %$faces) {	3564	while (my ($face, $info) = each %$faces) {
2908	next unless $info->{smooth};	3565	next unless $info->{smooth};
		3566
2909	my $idx = cf::face::find $face	3567	my $idx = cf::face::find $face
2910	or next;	3568	or next;
		3569
2911	if (my $smooth = cf::face::find $info->{smooth}) {	3570	if (my $smooth = cf::face::find $info->{smooth}) {
2912	cf::face::set_smooth $idx, $smooth;	3571	cf::face::set_smooth $idx, $smooth;
2913	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3572	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2914	} else {	3573	} else {
2915	warn "smooth face '$info->{smooth}' not found for face '$face'";	3574	error "smooth face '$info->{smooth}' not found for face '$face'";
2916	}	3575	}
2917		3576
2918	cf::cede_to_tick;	3577	cf::cede_to_tick;
2919	}	3578	}
2920	}	3579	}
…		…
2929		3588
2930	cf::anim::invalidate_all; # d'oh	3589	cf::anim::invalidate_all; # d'oh
2931	}	3590	}
2932		3591
2933	{	3592	{
2934	# TODO: for gcfclient pleasure, we should give resources
2935	# that gcfclient doesn't grok a >10000 face index.
2936	my $res = $facedata->{resource};	3593	my $res = $facedata->{resource};
2937		3594
2938	my $soundconf = delete $res->{"res/sound.conf"};
2939
2940	while (my ($name, $info) = each %$res) {	3595	while (my ($name, $info) = each %$res) {
		3596	if (defined (my $type = $info->{type})) {
		3597	# TODO: different hash - must free and use new index, or cache ixface data queue
2941	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3598	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2942	my $data;
2943		3599
2944	if ($info->{type} & 1) {	3600	cf::face::set_type $idx, $type;
2945	# prepend meta info	3601	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2946		3602	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
2947	my $meta = $enc->encode ({	3603	$FACEHASH{$info->{hash}} = $idx;#d#
2948	name => $name,
2949	%{ $info->{meta} || {} },
2950	});
2951
2952	$data = pack "(w/a*)*", $meta, $info->{data};
2953	} else {	3604	} else {
2954	$data = $info->{data};	3605	# $RESOURCE{$name} = $info; # unused
2955	}	3606	}
2956		3607
2957	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2958	cf::face::set_type $idx, $info->{type};
2959
2960	cf::cede_to_tick;	3608	cf::cede_to_tick;
2961	}	3609	}
2962
2963	if ($soundconf) {
2964	$soundconf = $enc->decode (delete $soundconf->{data});
2965
2966	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2967	my $sound = $soundconf->{compat}[$_]
2968	or next;
2969
2970	my $face = cf::face::find "sound/$sound->[1]";
2971	cf::sound::set $sound->[0] => $face;
2972	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2973	}
2974
2975	while (my ($k, $v) = each %{$soundconf->{event}}) {
2976	my $face = cf::face::find "sound/$v";
2977	cf::sound::set $k => $face;
2978	}
2979	}
2980	}	3610	}
		3611
		3612	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2981		3613
2982	1	3614	1
2983	}	3615	}
2984		3616
2985	register_exticmd fx_want => sub {	3617	register_exticmd fx_want => sub {
…		…
2987		3619
2988	while (my ($k, $v) = each %$want) {	3620	while (my ($k, $v) = each %$want) {
2989	$ns->fx_want ($k, $v);	3621	$ns->fx_want ($k, $v);
2990	}	3622	}
2991	};	3623	};
		3624
		3625	sub load_resource_file($) {
		3626	my $guard = lock_acquire "load_resource_file";
		3627
		3628	my $status = load_resource_file_ $_[0];
		3629	get_slot 0.1, 100;
		3630	cf::arch::commit_load;
		3631
		3632	$status
		3633	}
		3634
		3635	sub reload_exp_table {
		3636	_reload_exp_table;
		3637
		3638	add_face "res/exp_table" => FT_RSRC,
		3639	JSON::XS->new->utf8->canonical->encode (
		3640	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3641	);
		3642	}
		3643
		3644	sub reload_materials {
		3645	_reload_materials;
		3646	}
2992		3647
2993	sub reload_regions {	3648	sub reload_regions {
2994	# HACK to clear player env face cache, we need some signal framework	3649	# HACK to clear player env face cache, we need some signal framework
2995	# for this (global event?)	3650	# for this (global event?)
2996	%ext::player_env::MUSIC_FACE_CACHE = ();	3651	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3010	}	3665	}
3011		3666
3012	sub reload_archetypes {	3667	sub reload_archetypes {
3013	load_resource_file "$DATADIR/archetypes"	3668	load_resource_file "$DATADIR/archetypes"
3014	or die "unable to load archetypes\n";	3669	or die "unable to load archetypes\n";
3015	#d# NEED to laod twice to resolve forward references	3670
3016	# this really needs to be done in an extra post-pass	3671	add_face "res/skill_info" => FT_RSRC,
3017	# (which needs to be synchronous, so solve it differently)	3672	JSON::XS->new->utf8->canonical->encode (
3018	load_resource_file "$DATADIR/archetypes"	3673	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
3019	or die "unable to load archetypes\n";	3674	);
		3675	add_face "res/spell_paths" => FT_RSRC,
		3676	JSON::XS->new->utf8->canonical->encode (
		3677	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3678	);
3020	}	3679	}
3021		3680
3022	sub reload_treasures {	3681	sub reload_treasures {
3023	load_resource_file "$DATADIR/treasures"	3682	load_resource_file "$DATADIR/treasures"
3024	or die "unable to load treasurelists\n";	3683	or die "unable to load treasurelists\n";
3025	}	3684	}
3026		3685
		3686	sub reload_sound {
		3687	trace "loading sound config from $DATADIR/sound\n";
		3688
		3689	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3690
		3691	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3692	my $sound = $soundconf->{compat}[$_]
		3693	or next;
		3694
		3695	my $face = cf::face::find "sound/$sound->[1]";
		3696	cf::sound::set $sound->[0] => $face;
		3697	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3698	}
		3699
		3700	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3701	my $face = cf::face::find "sound/$v";
		3702	cf::sound::set $k => $face;
		3703	}
		3704	}
		3705
3027	sub reload_resources {	3706	sub reload_resources {
3028	warn "reloading resource files...\n";	3707	trace "reloading resource files...\n";
3029		3708
		3709	reload_materials;
		3710	reload_facedata;
		3711	reload_exp_table;
		3712	reload_sound;
		3713	reload_archetypes;
3030	reload_regions;	3714	reload_regions;
3031	reload_facedata;
3032	#reload_archetypes;#d#
3033	reload_archetypes;
3034	reload_treasures;	3715	reload_treasures;
3035		3716
3036	warn "finished reloading resource files\n";	3717	trace "finished reloading resource files\n";
3037	}
3038
3039	sub init {
3040	reload_resources;
3041	}	3718	}
3042		3719
3043	sub reload_config {	3720	sub reload_config {
3044	open my $fh, "<:utf8", "$CONFDIR/config"	3721	trace "reloading config file...\n";
3045	or return;
3046		3722
3047	local $/;	3723	my $config = load_file "$CONFDIR/config";
3048	*CFG = YAML::Syck::Load <$fh>;	3724	utf8::decode $config;
		3725	*CFG = decode_yaml $config;
3049		3726
3050	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3727	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3051		3728
3052	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3729	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3053	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3730	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3054		3731
3055	if (exists $CFG{mlockall}) {	3732	if (exists $CFG{mlockall}) {
…		…
3059	};	3736	};
3060	warn $@ if $@;	3737	warn $@ if $@;
3061	}	3738	}
3062	}	3739	}
3063		3740
		3741	sub pidfile() {
		3742	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3743	or die "$PIDFILE: $!";
		3744	flock $fh, &Fcntl::LOCK_EX
		3745	or die "$PIDFILE: flock: $!";
		3746	$fh
		3747	}
		3748
		3749	# make sure only one server instance is running at any one time
		3750	sub atomic {
		3751	my $fh = pidfile;
		3752
		3753	my $pid = <$fh>;
		3754	kill 9, $pid if $pid > 0;
		3755
		3756	seek $fh, 0, 0;
		3757	print $fh $$;
		3758	}
		3759
		3760	sub main_loop {
		3761	trace "EV::loop starting\n";
		3762	if (1) {
		3763	EV::loop;
		3764	}
		3765	trace "EV::loop returned\n";
		3766	goto &main_loop unless $REALLY_UNLOOP;
		3767	}
		3768
3064	sub main {	3769	sub main {
		3770	cf::init_globals; # initialise logging
		3771
		3772	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3773	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3774	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3775	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3776
		3777	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3778
3065	# we must not ever block the main coroutine	3779	# we must not ever block the main coroutine
3066	local $Coro::idle = sub {	3780	$Coro::idle = sub {
3067	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3781	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3068	(async {	3782	(async {
3069	Event::one_event;	3783	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3784	EV::loop EV::LOOP_ONESHOT;
3070	})->prio (Coro::PRIO_MAX);	3785	})->prio (Coro::PRIO_MAX);
3071	};	3786	};
3072		3787
		3788	evthread_start IO::AIO::poll_fileno;
		3789
		3790	cf::sync_job {
		3791	cf::incloader::init ();
		3792
		3793	cf::init_anim;
		3794	cf::init_attackmess;
		3795	cf::init_dynamic;
		3796
		3797	cf::load_settings;
		3798
		3799	reload_resources;
3073	reload_config;	3800	reload_config;
3074	db_init;	3801	db_init;
		3802
		3803	cf::init_uuid;
		3804	cf::init_signals;
		3805	cf::init_skills;
		3806
		3807	cf::init_beforeplay;
		3808
		3809	atomic;
		3810
3075	load_extensions;	3811	load_extensions;
3076		3812
3077	$TICK_WATCHER->start;	3813	utime time, time, $RUNTIMEFILE;
3078	Event::loop;	3814
		3815	# no (long-running) fork's whatsoever before this point(!)
		3816	use POSIX ();
		3817	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3818
		3819	cf::_post_init 0;
		3820	};
		3821
		3822	cf::object::thawer::errors_are_fatal 0;
		3823	info "parse errors in files are no longer fatal from this point on.\n";
		3824
		3825	AE::postpone {
		3826	undef &main; # free gobs of memory :)
		3827	};
		3828
		3829	goto &main_loop;
3079	}	3830	}
3080		3831
3081	#############################################################################	3832	#############################################################################
3082	# initialisation and cleanup	3833	# initialisation and cleanup
3083		3834
3084	# install some emergency cleanup handlers	3835	# install some emergency cleanup handlers
3085	BEGIN {	3836	BEGIN {
		3837	our %SIGWATCHER = ();
3086	for my $signal (qw(INT HUP TERM)) {	3838	for my $signal (qw(INT HUP TERM)) {
3087	Event->signal (	3839	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3088	reentrant => 0,
3089	data => WF_AUTOCANCEL,
3090	signal => $signal,
3091	prio => 0,
3092	cb => sub {
3093	cf::cleanup "SIG$signal";	3840	cf::cleanup "SIG$signal";
3094	},
3095	);	3841	};
3096	}	3842	}
3097	}	3843	}
3098		3844
3099	sub write_runtime {	3845	sub write_runtime_sync {
3100	my $runtime = "$LOCALDIR/runtime";	3846	my $t0 = AE::time;
3101		3847
3102	# first touch the runtime file to show we are still running:	3848	# first touch the runtime file to show we are still running:
3103	# the fsync below can take a very very long time.	3849	# the fsync below can take a very very long time.
3104		3850
3105	IO::AIO::aio_utime $runtime, undef, undef;	3851	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3106		3852
3107	my $guard = cf::lock_acquire "write_runtime";	3853	my $guard = cf::lock_acquire "write_runtime";
3108		3854
3109	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3855	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3110	or return;	3856	or return;
3111		3857
3112	my $value = $cf::RUNTIME + 90 + 10;	3858	my $value = $cf::RUNTIME + 90 + 10;
3113	# 10 is the runtime save interval, for a monotonic clock	3859	# 10 is the runtime save interval, for a monotonic clock
3114	# 60 allows for the watchdog to kill the server.	3860	# 60 allows for the watchdog to kill the server.
…		…
3124	aio_utime $fh, undef, undef;	3870	aio_utime $fh, undef, undef;
3125		3871
3126	close $fh	3872	close $fh
3127	or return;	3873	or return;
3128		3874
3129	aio_rename "$runtime~", $runtime	3875	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3130	and return;	3876	and return;
3131		3877
3132	warn "runtime file written.\n";	3878	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3133		3879
3134	1	3880	1
		3881	}
		3882
		3883	our $uuid_lock;
		3884	our $uuid_skip;
		3885
		3886	sub write_uuid_sync($) {
		3887	$uuid_skip ||= $_[0];
		3888
		3889	return if $uuid_lock;
		3890	local $uuid_lock = 1;
		3891
		3892	my $uuid = "$LOCALDIR/uuid";
		3893
		3894	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3895	or return;
		3896
		3897	my $value = uuid_seq uuid_cur;
		3898
		3899	unless ($value) {
		3900	info "cowardly refusing to write zero uuid value!\n";
		3901	return;
		3902	}
		3903
		3904	my $value = uuid_str $value + $uuid_skip;
		3905	$uuid_skip = 0;
		3906
		3907	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3908	and return;
		3909
		3910	# always fsync - this file is important
		3911	aio_fsync $fh
		3912	and return;
		3913
		3914	close $fh
		3915	or return;
		3916
		3917	aio_rename "$uuid~", $uuid
		3918	and return;
		3919
		3920	trace "uuid file written ($value).\n";
		3921
		3922	1
		3923
		3924	}
		3925
		3926	sub write_uuid($$) {
		3927	my ($skip, $sync) = @_;
		3928
		3929	$sync ? write_uuid_sync $skip
		3930	: async { write_uuid_sync $skip };
3135	}	3931	}
3136		3932
3137	sub emergency_save() {	3933	sub emergency_save() {
3138	my $freeze_guard = cf::freeze_mainloop;	3934	my $freeze_guard = cf::freeze_mainloop;
3139		3935
3140	warn "enter emergency perl save\n";	3936	info "emergency_perl_save: enter\n";
		3937
		3938	# this is a trade-off: we want to be very quick here, so
		3939	# save all maps without fsync, and later call a global sync
		3940	# (which in turn might be very very slow)
		3941	local $USE_FSYNC = 0;
3141		3942
3142	cf::sync_job {	3943	cf::sync_job {
		3944	cf::write_runtime_sync; # external watchdog should not bark
		3945
3143	# use a peculiar iteration method to avoid tripping on perl	3946	# use a peculiar iteration method to avoid tripping on perl
3144	# refcount bugs in for. also avoids problems with players	3947	# refcount bugs in for. also avoids problems with players
3145	# and maps saved/destroyed asynchronously.	3948	# and maps saved/destroyed asynchronously.
3146	warn "begin emergency player save\n";	3949	info "emergency_perl_save: begin player save\n";
3147	for my $login (keys %cf::PLAYER) {	3950	for my $login (keys %cf::PLAYER) {
3148	my $pl = $cf::PLAYER{$login} or next;	3951	my $pl = $cf::PLAYER{$login} or next;
3149	$pl->valid or next;	3952	$pl->valid or next;
		3953	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3150	$pl->save;	3954	$pl->save;
3151	}	3955	}
3152	warn "end emergency player save\n";	3956	info "emergency_perl_save: end player save\n";
3153		3957
3154	warn "begin emergency map save\n";	3958	cf::write_runtime_sync; # external watchdog should not bark
		3959
		3960	info "emergency_perl_save: begin map save\n";
3155	for my $path (keys %cf::MAP) {	3961	for my $path (keys %cf::MAP) {
3156	my $map = $cf::MAP{$path} or next;	3962	my $map = $cf::MAP{$path} or next;
3157	$map->valid or next;	3963	$map->valid or next;
3158	$map->save;	3964	$map->save;
3159	}	3965	}
3160	warn "end emergency map save\n";	3966	info "emergency_perl_save: end map save\n";
3161		3967
3162	warn "begin emergency database checkpoint\n";	3968	cf::write_runtime_sync; # external watchdog should not bark
		3969
		3970	info "emergency_perl_save: begin database checkpoint\n";
3163	BDB::db_env_txn_checkpoint $DB_ENV;	3971	BDB::db_env_txn_checkpoint $DB_ENV;
3164	warn "end emergency database checkpoint\n";	3972	info "emergency_perl_save: end database checkpoint\n";
		3973
		3974	info "emergency_perl_save: begin write uuid\n";
		3975	write_uuid_sync 1;
		3976	info "emergency_perl_save: end write uuid\n";
		3977
		3978	cf::write_runtime_sync; # external watchdog should not bark
		3979
		3980	trace "emergency_perl_save: syncing database to disk";
		3981	BDB::db_env_txn_checkpoint $DB_ENV;
		3982
		3983	info "emergency_perl_save: starting sync\n";
		3984	IO::AIO::aio_sync sub {
		3985	info "emergency_perl_save: finished sync\n";
		3986	};
		3987
		3988	cf::write_runtime_sync; # external watchdog should not bark
		3989
		3990	trace "emergency_perl_save: flushing outstanding aio requests";
		3991	while (IO::AIO::nreqs || BDB::nreqs) {
		3992	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3993	}
		3994
		3995	cf::write_runtime_sync; # external watchdog should not bark
3165	};	3996	};
3166		3997
3167	warn "leave emergency perl save\n";	3998	info "emergency_perl_save: leave\n";
3168	}	3999	}
3169		4000
3170	sub post_cleanup {	4001	sub post_cleanup {
3171	my ($make_core) = @_;	4002	my ($make_core) = @_;
3172		4003
		4004	IO::AIO::flush;
		4005
3173	warn Carp::longmess "post_cleanup backtrace"	4006	error Carp::longmess "post_cleanup backtrace"
3174	if $make_core;	4007	if $make_core;
		4008
		4009	my $fh = pidfile;
		4010	unlink $PIDFILE if <$fh> == $$;
		4011	}
		4012
		4013	# a safer delete_package, copied from Symbol
		4014	sub clear_package($) {
		4015	my $pkg = shift;
		4016
		4017	# expand to full symbol table name if needed
		4018	unless ($pkg =~ /^main::.*::$/) {
		4019	$pkg = "main$pkg" if $pkg =~ /^::/;
		4020	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4021	$pkg .= '::' unless $pkg =~ /::$/;
		4022	}
		4023
		4024	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4025	my $stem_symtab = *{$stem}{HASH};
		4026
		4027	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4028	or return;
		4029
		4030	# clear all symbols
		4031	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4032	for my $name (keys %$leaf_symtab) {
		4033	_gv_clear *{"$pkg$name"};
		4034	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4035	}
3175	}	4036	}
3176		4037
3177	sub do_reload_perl() {	4038	sub do_reload_perl() {
3178	# can/must only be called in main	4039	# can/must only be called in main
3179	if ($Coro::current != $Coro::main) {	4040	unless (in_main) {
3180	warn "can only reload from main coroutine";	4041	error "can only reload from main coroutine";
3181	return;	4042	return;
3182	}	4043	}
3183		4044
3184	warn "reloading...";	4045	return if $RELOAD++;
3185		4046
3186	warn "entering sync_job";	4047	my $t1 = AE::time;
3187		4048
		4049	while ($RELOAD) {
		4050	cf::get_slot 0.1, -1, "reload_perl";
		4051	info "perl_reload: reloading...";
		4052
		4053	trace "perl_reload: entering sync_job";
		4054
3188	cf::sync_job {	4055	cf::sync_job {
3189	cf::write_runtime; # external watchdog should not bark
3190	cf::emergency_save;	4056	#cf::emergency_save;
3191	cf::write_runtime; # external watchdog should not bark
3192		4057
3193	warn "syncing database to disk";
3194	BDB::db_env_txn_checkpoint $DB_ENV;
3195
3196	# if anything goes wrong in here, we should simply crash as we already saved
3197
3198	warn "cancelling all WF_AUTOCANCEL watchers";
3199	for (Event::all_watchers) {
3200	$_->cancel if $_->data & WF_AUTOCANCEL;
3201	}
3202
3203	warn "flushing outstanding aio requests";
3204	for (;;) {
3205	BDB::flush;
3206	IO::AIO::flush;
3207	Coro::cede;
3208	last unless IO::AIO::nreqs || BDB::nreqs;
3209	warn "iterate...";
3210	}
3211
3212	++$RELOAD;
3213
3214	warn "cancelling all extension coros";	4058	trace "perl_reload: cancelling all extension coros";
3215	$_->cancel for values %EXT_CORO;	4059	$_->cancel for values %EXT_CORO;
3216	%EXT_CORO = ();	4060	%EXT_CORO = ();
3217		4061
3218	warn "removing commands";	4062	trace "perl_reload: removing commands";
3219	%COMMAND = ();	4063	%COMMAND = ();
3220		4064
3221	warn "removing ext/exti commands";	4065	trace "perl_reload: removing ext/exti commands";
3222	%EXTCMD = ();	4066	%EXTCMD = ();
3223	%EXTICMD = ();	4067	%EXTICMD = ();
3224		4068
3225	warn "unloading/nuking all extensions";	4069	trace "perl_reload: unloading/nuking all extensions";
3226	for my $pkg (@EXTS) {	4070	for my $pkg (@EXTS) {
3227	warn "... unloading $pkg";	4071	trace "... unloading $pkg";
3228		4072
3229	if (my $cb = $pkg->can ("unload")) {	4073	if (my $cb = $pkg->can ("unload")) {
3230	eval {	4074	eval {
3231	$cb->($pkg);	4075	$cb->($pkg);
3232	1	4076	1
3233	} or warn "$pkg unloaded, but with errors: $@";	4077	} or error "$pkg unloaded, but with errors: $@";
		4078	}
		4079
		4080	trace "... clearing $pkg";
		4081	clear_package $pkg;
3234	}	4082	}
3235		4083
3236	warn "... nuking $pkg";
3237	Symbol::delete_package $pkg;
3238	}
3239
3240	warn "unloading all perl modules loaded from $LIBDIR";	4084	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3241	while (my ($k, $v) = each %INC) {	4085	while (my ($k, $v) = each %INC) {
3242	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4086	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3243		4087
3244	warn "... unloading $k";	4088	trace "... unloading $k";
3245	delete $INC{$k};	4089	delete $INC{$k};
3246		4090
3247	$k =~ s/\.pm$//;	4091	$k =~ s/\.pm$//;
3248	$k =~ s/\//::/g;	4092	$k =~ s/\//::/g;
3249		4093
3250	if (my $cb = $k->can ("unload_module")) {	4094	if (my $cb = $k->can ("unload_module")) {
3251	$cb->();	4095	$cb->();
		4096	}
		4097
		4098	clear_package $k;
3252	}	4099	}
3253		4100
3254	Symbol::delete_package $k;
3255	}
3256
3257	warn "getting rid of safe::, as good as possible";	4101	trace "perl_reload: getting rid of safe::, as good as possible";
3258	Symbol::delete_package "safe::$_"	4102	clear_package "safe::$_"
3259	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4103	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3260		4104
3261	warn "unloading cf.pm \"a bit\"";	4105	trace "perl_reload: unloading cf.pm \"a bit\"";
3262	delete $INC{"cf.pm"};	4106	delete $INC{"cf.pm"};
3263	delete $INC{"cf/pod.pm"};	4107	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3264		4108
3265	# don't, removes xs symbols, too,	4109	# don't, removes xs symbols, too,
3266	# and global variables created in xs	4110	# and global variables created in xs
3267	#Symbol::delete_package __PACKAGE__;	4111	#clear_package __PACKAGE__;
3268		4112
3269	warn "unload completed, starting to reload now";	4113	info "perl_reload: unload completed, starting to reload now";
3270		4114
3271	warn "reloading cf.pm";	4115	trace "perl_reload: reloading cf.pm";
3272	require cf;	4116	require cf;
3273	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4117	cf::_connect_to_perl_1;
3274		4118
3275	warn "loading config and database again";	4119	trace "perl_reload: loading config and database again";
3276	cf::reload_config;	4120	cf::reload_config;
3277		4121
3278	warn "loading extensions";	4122	trace "perl_reload: loading extensions";
3279	cf::load_extensions;	4123	cf::load_extensions;
3280		4124
		4125	if ($REATTACH_ON_RELOAD) {
3281	warn "reattaching attachments to objects/players";	4126	trace "perl_reload: reattaching attachments to objects/players";
3282	_global_reattach; # objects, sockets	4127	_global_reattach; # objects, sockets
3283	warn "reattaching attachments to maps";	4128	trace "perl_reload: reattaching attachments to maps";
3284	reattach $_ for values %MAP;	4129	reattach $_ for values %MAP;
3285	warn "reattaching attachments to players";	4130	trace "perl_reload: reattaching attachments to players";
3286	reattach $_ for values %PLAYER;	4131	reattach $_ for values %PLAYER;
		4132	}
3287		4133
3288	warn "leaving sync_job";	4134	cf::_post_init 1;
3289		4135
		4136	trace "perl_reload: leaving sync_job";
		4137
3290	1	4138	1
3291	} or do {	4139	} or do {
3292	warn $@;	4140	error $@;
3293	warn "error while reloading, exiting.";	4141	cf::cleanup "perl_reload: error, exiting.";
3294	exit 1;	4142	};
		4143
		4144	--$RELOAD;
3295	};	4145	}
3296		4146
3297	warn "reloaded";	4147	$t1 = AE::time - $t1;
		4148	info "perl_reload: completed in ${t1}s\n";
3298	};	4149	};
3299		4150
3300	our $RELOAD_WATCHER; # used only during reload	4151	our $RELOAD_WATCHER; # used only during reload
3301		4152
3302	sub reload_perl() {	4153	sub reload_perl() {
3303	# doing reload synchronously and two reloads happen back-to-back,	4154	# doing reload synchronously and two reloads happen back-to-back,
3304	# coro crashes during coro_state_free->destroy here.	4155	# coro crashes during coro_state_free->destroy here.
3305		4156
3306	$RELOAD_WATCHER ||= Event->timer (	4157	$RELOAD_WATCHER ||= cf::async {
3307	reentrant => 0,	4158	Coro::AIO::aio_wait cache_extensions;
3308	after => 0,	4159
3309	data => WF_AUTOCANCEL,	4160	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3310	cb => sub {
3311	do_reload_perl;	4161	do_reload_perl;
3312	undef $RELOAD_WATCHER;	4162	undef $RELOAD_WATCHER;
3313	},	4163	};
3314	);	4164	};
3315	}	4165	}
3316		4166
3317	register_command "reload" => sub {	4167	register_command "reload" => sub {
3318	my ($who, $arg) = @_;	4168	my ($who, $arg) = @_;
3319		4169
3320	if ($who->flag (FLAG_WIZ)) {	4170	if ($who->flag (FLAG_WIZ)) {
3321	$who->message ("reloading server.");	4171	$who->message ("reloading server.");
		4172	async {
		4173	$Coro::current->{desc} = "perl_reload";
3322	async { reload_perl };	4174	reload_perl;
		4175	};
3323	}	4176	}
3324	};	4177	};
3325		4178
3326	unshift @INC, $LIBDIR;	4179	#############################################################################
3327		4180
3328	my $bug_warning = 0;	4181	my $bug_warning = 0;
3329		4182
3330	our @WAIT_FOR_TICK;
3331	our @WAIT_FOR_TICK_BEGIN;
3332
3333	sub wait_for_tick {	4183	sub wait_for_tick() {
3334	return unless $TICK_WATCHER->is_active;	4184	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3335	return if $Coro::current == $Coro::main;
3336		4185
3337	my $signal = new Coro::Signal;	4186	$WAIT_FOR_TICK->wait;
3338	push @WAIT_FOR_TICK, $signal;
3339	$signal->wait;
3340	}	4187	}
3341		4188
3342	sub wait_for_tick_begin {	4189	sub wait_for_tick_begin() {
3343	return unless $TICK_WATCHER->is_active;	4190	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3344	return if $Coro::current == $Coro::main;
3345		4191
3346	my $signal = new Coro::Signal;	4192	my $signal = new Coro::Signal;
3347	push @WAIT_FOR_TICK_BEGIN, $signal;	4193	push @WAIT_FOR_TICK_BEGIN, $signal;
3348	$signal->wait;	4194	$signal->wait;
3349	}	4195	}
3350		4196
3351	my $min = 1e6;#d#	4197	sub tick {
3352	my $avg = 10;
3353	$TICK_WATCHER = Event->timer (
3354	reentrant => 0,
3355	parked => 1,
3356	prio => 0,
3357	at => $NEXT_TICK || $TICK,
3358	data => WF_AUTOCANCEL,
3359	cb => sub {
3360	if ($Coro::current != $Coro::main) {	4198	if ($Coro::current != $Coro::main) {
3361	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4199	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3362	unless ++$bug_warning > 10;	4200	unless ++$bug_warning > 10;
3363	return;	4201	return;
3364	}	4202	}
3365		4203
3366	$NOW = $tick_start = Event::time;	4204	cf::one_tick; # one server iteration
3367		4205
3368	cf::server_tick; # one server iteration	4206	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3369		4207
3370	0 && sync_job {#d#	4208	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3371	for(1..10) {	4209	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3372	my $t = Event::time;	4210	Coro::async_pool {
3373	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4211	$Coro::current->{desc} = "runtime saver";
3374	or die;	4212	write_runtime_sync
3375		4213	or error "ERROR: unable to write runtime file: $!";
3376	$map->width (50);
3377	$map->height (50);
3378	$map->alloc;
3379	$map->_load_objects ("/tmp/x.map", 1);
3380	my $t = Event::time - $t;
3381
3382	#next unless $t < 0.0013;#d#
3383	if ($t < $min) {
3384	$min = $t;
3385	}
3386	$avg = $avg * 0.99 + $t * 0.01;
3387	}
3388	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3389	exit 0;
3390	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3391	};	4214	};
		4215	}
3392		4216
3393	$RUNTIME += $TICK;
3394	$NEXT_TICK += $TICK;
3395
3396	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3397	$NEXT_RUNTIME_WRITE = $NOW + 10;
3398	Coro::async_pool {
3399	write_runtime
3400	or warn "ERROR: unable to write runtime file: $!";
3401	};
3402	}
3403
3404	# my $AFTER = Event::time;
3405	# warn $AFTER - $NOW;#d#
3406
3407	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4217	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3408	$sig->send;	4218	$sig->send;
3409	}	4219	}
3410	while (my $sig = shift @WAIT_FOR_TICK) {	4220	$WAIT_FOR_TICK->broadcast;
3411	$sig->send;
3412	}
3413		4221
3414	$NOW = Event::time;	4222	$LOAD = ($NOW - $TICK_START) / $TICK;
3415
3416	# if we are delayed by four ticks or more, skip them all
3417	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3418
3419	$TICK_WATCHER->at ($NEXT_TICK);
3420	$TICK_WATCHER->start;
3421
3422	$LOAD = ($NOW - $tick_start) / $TICK;
3423	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4223	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3424		4224
3425	_post_tick;	4225	if (0) {
3426		4226	if ($NEXT_TICK) {
3427		4227	my $jitter = $TICK_START - $NEXT_TICK;
		4228	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4229	debug "jitter $JITTER\n";#d#
		4230	}
3428	},	4231	}
3429	);	4232	}
3430		4233
3431	{	4234	{
3432	BDB::max_poll_time $TICK * 0.1;	4235	# configure BDB
3433	$BDB_POLL_WATCHER = Event->io (	4236
3434	reentrant => 0,
3435	fd => BDB::poll_fileno,
3436	poll => 'r',
3437	prio => 0,
3438	data => WF_AUTOCANCEL,
3439	cb => \&BDB::poll_cb,
3440	);
3441	BDB::min_parallel 8;	4237	BDB::min_parallel 16;
3442		4238	BDB::max_poll_reqs $TICK * 0.1;
3443	BDB::set_sync_prepare {	4239	#$AnyEvent::BDB::WATCHER->priority (1);
3444	my $status;
3445	my $current = $Coro::current;
3446	(
3447	sub {
3448	$status = $!;
3449	$current->ready; undef $current;
3450	},
3451	sub {
3452	Coro::schedule while defined $current;
3453	$! = $status;
3454	},
3455	)
3456	};
3457		4240
3458	unless ($DB_ENV) {	4241	unless ($DB_ENV) {
3459	$DB_ENV = BDB::db_env_create;	4242	$DB_ENV = BDB::db_env_create;
		4243	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4244	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4245	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4246	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4247	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3460		4248
3461	cf::sync_job {	4249	cf::sync_job {
3462	eval {	4250	eval {
3463	BDB::db_env_open	4251	BDB::db_env_open
3464	$DB_ENV,	4252	$DB_ENV,
…		…
3466	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4254	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3467	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4255	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3468	0666;	4256	0666;
3469		4257
3470	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4258	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3471
3472	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3473	$DB_ENV->set_lk_detect;
3474	};	4259	};
3475		4260
3476	cf::cleanup "db_env_open(db): $@" if $@;	4261	cf::cleanup "db_env_open(db): $@" if $@;
3477	};	4262	};
3478	}	4263	}
		4264
		4265	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4266	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4267	};
		4268	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4269	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4270	};
		4271	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4272	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4273	};
3479	}	4274	}
3480		4275
3481	{	4276	{
		4277	# configure IO::AIO
		4278
3482	IO::AIO::min_parallel 8;	4279	IO::AIO::min_parallel 8;
3483
3484	undef $Coro::AIO::WATCHER;
3485	IO::AIO::max_poll_time $TICK * 0.1;	4280	IO::AIO::max_poll_time $TICK * 0.1;
3486	$AIO_POLL_WATCHER = Event->io (	4281	undef $AnyEvent::AIO::WATCHER;
3487	reentrant => 0,
3488	data => WF_AUTOCANCEL,
3489	fd => IO::AIO::poll_fileno,
3490	poll => 'r',
3491	prio => 6,
3492	cb => \&IO::AIO::poll_cb,
3493	);
3494	}	4282	}
3495		4283
3496	my $_log_backtrace;	4284	our $_log_backtrace;
		4285	our $_log_backtrace_last;
3497		4286
3498	sub _log_backtrace {	4287	sub _log_backtrace {
3499	my ($msg, @addr) = @_;	4288	my ($msg, @addr) = @_;
3500		4289
3501	$msg =~ s/\n//;	4290	$msg =~ s/\n$//;
3502		4291
		4292	if ($_log_backtrace_last eq $msg) {
		4293	LOG llevInfo, "[ABT] $msg\n";
		4294	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3503	# limit the # of concurrent backtraces	4295	# limit the # of concurrent backtraces
3504	if ($_log_backtrace < 2) {	4296	} elsif ($_log_backtrace < 2) {
		4297	$_log_backtrace_last = $msg;
3505	++$_log_backtrace;	4298	++$_log_backtrace;
		4299	my $perl_bt = Carp::longmess $msg;
3506	async {	4300	async {
		4301	$Coro::current->{desc} = "abt $msg";
		4302
3507	my @bt = fork_call {	4303	my @bt = fork_call {
3508	@addr = map { sprintf "%x", $_ } @addr;	4304	@addr = map { sprintf "%x", $_ } @addr;
3509	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4305	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3510	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4306	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3511	or die "addr2line: $!";	4307	or die "addr2line: $!";
…		…
3519	}	4315	}
3520		4316
3521	@funcs	4317	@funcs
3522	};	4318	};
3523		4319
3524	LOG llevInfo, "[ABT] $msg\n";	4320	LOG llevInfo, "[ABT] $perl_bt\n";
		4321	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3525	LOG llevInfo, "[ABT] $_\n" for @bt;	4322	LOG llevInfo, "[ABT] $_\n" for @bt;
3526	--$_log_backtrace;	4323	--$_log_backtrace;
3527	};	4324	};
3528	} else {	4325	} else {
3529	LOG llevInfo, "[ABT] $msg\n";	4326	LOG llevInfo, "[ABT] $msg\n";
3530	LOG llevInfo, "[ABT] [suppressed]\n";	4327	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3531	}	4328	}
3532	}	4329	}
3533		4330
3534	# load additional modules	4331	# load additional modules
3535	use cf::pod;	4332	require "cf/$_.pm" for @EXTRA_MODULES;
		4333	cf::_connect_to_perl_2;
3536		4334
3537	END { cf::emergency_save }	4335	END { cf::emergency_save }
3538		4336
3539	1	4337	1
3540		4338

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