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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.408 by root, Mon Jan 14 10:12:12 2008 UTC vs.
Revision 1.593 by root, Fri Nov 9 01:59:33 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 EV 1.86;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 4.32 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
18	use Coro::EV;	44	use Coro::EV;
		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;
23	use Coro::BDB;	52	use Coro::BDB 1.6;
24	use Coro::Storable;	53	use Coro::Storable;
25	use Coro::Util ();	54	use Coro::Util ();
26		55
		56	use Guard ();
27	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
28	use BDB ();	58	use BDB ();
29	use Data::Dumper;	59	use Data::Dumper;
30	use Digest::MD5;
31	use Fcntl;	60	use Fcntl;
32	use YAML ();	61	use YAML::XS ();
33	use IO::AIO 2.51 ();	62	use IO::AIO ();
34	use Time::HiRes;	63	use Time::HiRes;
35	use Compress::LZF;	64	use Compress::LZF;
36	use Digest::MD5 ();	65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
37		68
38	# configure various modules to our taste	69	# configure various modules to our taste
39	#	70	#
40	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
41	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";
42	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
43		79
44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	80	# strictly for debugging
		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45		82
46	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;
47		86
48	our %COMMAND = ();	87	our %COMMAND = ();
49	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
50		89
51	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
52	our %EXTCMD = ();	91	our %EXTCMD = ();
53	our %EXTICMD = ();	92	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
56		95
57	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
59		100
60	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
61	our $DATADIR = datadir;	103	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
65	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	113	our $BDBDIR = "$LOCALDIR/db";
71	our %RESOURCE;	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;
72		124
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74	our $TICK_WATCHER;
75	our $AIO_POLL_WATCHER;
76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	our $NEXT_TICK;	127	our $NEXT_TICK;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	128	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		129
80	our $BDB_POLL_WATCHER;
81	our $BDB_DEADLOCK_WATCHER;	130	our $BDB_DEADLOCK_WATCHER;
82	our $BDB_CHECKPOINT_WATCHER;	131	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_TRICKLE_WATCHER;	132	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	133	our $DB_ENV;
85		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
86	our %CFG;	137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
87		139
88	our $UPTIME; $UPTIME ||= time;	140	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
90	our $NOW;	143	our $NOW;
91		144
92	our (%PLAYER, %PLAYER_LOADING); # all users	145	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	146	our (%MAP, %MAP_LOADING ); # 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
…		…
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.
134		228
135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	229	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	230	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	231	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
138		232
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 $cf::LOADAVG
153		239
154	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
165	from wherever your confdir points to.	251	from wherever your confdir points to.
166		252
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		254
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$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	LOG llevError, $msg;	306	LOG llevWarn, $msg;
193	};	307	};
194	}
195		308
196	$Coro::State::DIEHOOK = sub {	309	$Coro::State::DIEHOOK = sub {
		310	return unless $^S eq 0; # "eq", not "=="
		311
197	warn Carp::longmess $_[0];	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
198	Coro::terminate;	320	Coro::terminate
199	};	321	};
200		322
201	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
202	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
203	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
…		…
211	for my $pkg (qw(	333	for my $pkg (qw(
212	cf::global cf::attachable	334	cf::global cf::attachable
213	cf::object cf::object::player	335	cf::object cf::object::player
214	cf::client cf::player	336	cf::client cf::player
215	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
216	cf::map cf::party cf::region	339	cf::party cf::region
217	)) {	340	)) {
218	no strict 'refs';
219	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
220	}	342	}
221		343
222	$EV::DIED = sub {	344	$EV::DIED = sub {
223	warn "error in event callback: @_";	345	warn "error in event callback: $@";
224	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
225		352
226	#############################################################################	353	#############################################################################
227		354
228	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
229		356
…		…
250	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
251	$d	378	$d
252	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
253	}	380	}
254		381
		382	=item $scalar = cf::load_file $path
		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($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
255	=item $ref = cf::decode_json $json	434	=item $ref = cf::decode_json $json
256		435
257	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
258		437
259	=item $json = cf::encode_json $ref	438	=item $json = cf::encode_json $ref
…		…
265	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
266		445
267	sub encode_json($) { $json_coder->encode ($_[0]) }	446	sub encode_json($) { $json_coder->encode ($_[0]) }
268	sub decode_json($) { $json_coder->decode ($_[0]) }	447	sub decode_json($) { $json_coder->decode ($_[0]) }
269		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	}
		510
270	=item cf::lock_wait $string	511	=item cf::lock_wait $string
271		512
272	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
273		514
274	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
275		516
276	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
277	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,
278	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
279	returned.	520	returned.
280		521
281	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
282	deadlocked coro.	523	deadlocked coro.
…		…
288		529
289	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.
290		531
291	=cut	532	=cut
292		533
293	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
294	our %LOCKER;#d#
295		535
296	sub lock_wait($) {	536	sub lock_wait($) {
297	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
298
299	if ($LOCKER{$key} == $Coro::current) {#d#
300	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
301	return;#d#
302	}#d#
303
304	# wait for lock, if any
305	while ($LOCK{$key}) {
306	push @{ $LOCK{$key} }, $Coro::current;
307	Coro::schedule;
308	}
309	}	538	}
310		539
311	sub lock_acquire($) {	540	sub lock_acquire($) {
312	my ($key) = @_;	541	$LOCKS->guard ($_[0])
313
314	# wait, to be sure we are not locked
315	lock_wait $key;
316
317	$LOCK{$key} = [];
318	$LOCKER{$key} = $Coro::current;#d#
319
320	Coro::guard {
321	delete $LOCKER{$key};#d#
322	# wake up all waiters, to be on the safe side
323	$_->ready for @{ delete $LOCK{$key} };
324	}
325	}	542	}
326		543
327	sub lock_active($) {	544	sub lock_active($) {
328	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
329
330	! ! $LOCK{$key}
331	}	546	}
332		547
333	sub freeze_mainloop {	548	sub freeze_mainloop {
334	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
335		550
336	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
337	$TICK_WATCHER->start;
338	};
339	$TICK_WATCHER->stop;
340	$guard
341	}	552	}
342		553
343	=item cf::periodic $interval, $cb	554	=item cf::periodic $interval, $cb
344		555
345	Like EV::periodic, but randomly selects a starting point so that the actions	556	Like EV::periodic, but randomly selects a starting point so that the actions
346	get spread over timer.	557	get spread over time.
347		558
348	=cut	559	=cut
349		560
350	sub periodic($$) {	561	sub periodic($$) {
351	my ($interval, $cb) = @_;	562	my ($interval, $cb) = @_;
…		…
355	EV::periodic $start, $interval, 0, $cb	566	EV::periodic $start, $interval, 0, $cb
356	}	567	}
357		568
358	=item cf::get_slot $time[, $priority[, $name]]	569	=item cf::get_slot $time[, $priority[, $name]]
359		570
360	Allocate $time seconds of blocking CPU time at priority C<$priority>:	571	Allocate $time seconds of blocking CPU time at priority C<$priority>
361	This call blocks and returns only when you have at least C<$time> seconds	572	(default: 0): This call blocks and returns only when you have at least
362	of cpu time till the next tick. The slot is only valid till the next cede.	573	C<$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.
363		578
364	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
365	used for statistical purposes and should identify the same time-class.	580	used for statistical purposes and should identify the same time-class.
366		581
367	Useful for short background jobs.	582	Useful for short background jobs.
368		583
369	=cut	584	=cut
370		585
371	our @SLOT_QUEUE;	586	our @SLOT_QUEUE;
372	our $SLOT_QUEUE;	587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
373		589
374	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
375	$SLOT_QUEUE = Coro::async {	591	$SLOT_QUEUE = Coro::async {
376	$Coro::current->desc ("timeslot manager");	592	$Coro::current->desc ("timeslot manager");
377		593
378	my $signal = new Coro::Signal;	594	my $signal = new Coro::Signal;
		595	my $busy;
379		596
380	while () {	597	while () {
381	next_job:	598	next_job:
		599
382	my $avail = cf::till_tick;	600	my $avail = cf::till_tick;
383	if ($avail > 0.01) {	601
384	for (0 .. $#SLOT_QUEUE) {	602	for (0 .. $#SLOT_QUEUE) {
385	if ($SLOT_QUEUE[$_][0] < $avail) {	603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
386	my $job = splice @SLOT_QUEUE, $_, 1, ();	605	my $job = splice @SLOT_QUEUE, $_, 1, ();
387	$job->[2]->send;	606	$job->[2]->send;
388	Coro::cede;	607	Coro::cede;
389	goto next_job;	608	goto next_job;
390	}	609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
391	}	611	}
392	}	612	}
393		613
394	if (@SLOT_QUEUE) {	614	if (@SLOT_QUEUE) {
395	# 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
396	push @cf::WAIT_FOR_TICK, $signal;	616	$WAIT_FOR_TICK->wait;
397	$signal->wait;
398	} else {	617	} else {
		618	$busy = 0;
399	Coro::schedule;	619	Coro::schedule;
400	}	620	}
401	}	621	}
402	};	622	};
403		623
404	sub get_slot($;$$) {	624	sub get_slot($;$$) {
		625	return if tick_inhibit || $Coro::current == $Coro::main;
		626
405	my ($time, $pri, $name) = @_;	627	my ($time, $pri, $name) = @_;
406		628
407	$time = $TICK * .6 if $time > $TICK * .6;	629	$time = clamp $time, 0.01, $TICK * .6;
		630
408	my $sig = new Coro::Signal;	631	my $sig = new Coro::Signal;
409		632
410	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
411	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
412	$SLOT_QUEUE->ready;	635	$SLOT_QUEUE->ready;
…		…
438	=cut	661	=cut
439		662
440	sub sync_job(&) {	663	sub sync_job(&) {
441	my ($job) = @_;	664	my ($job) = @_;
442		665
443	if ($Coro::current == $Coro::main) {	666	if (in_main) {
444	my $time = EV::time;	667	my $time = AE::time;
445		668
446	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
447	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
448		671
449	LOG llevError, Carp::longmess "sync job";#d#	672	#LOG llevError, Carp::longmess "sync job";#d#
450		673
451	# TODO: use suspend/resume instead
452	# (but this is cancel-safe)
453	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
454		675
455	my $busy = 1;	676	my $busy = 1;
456	my @res;	677	my @res;
457		678
458	(async {	679	(async {
459	$Coro::current->desc ("sync job coro");	680	$Coro::current->desc ("sync job coro");
460	@res = eval { $job->() };	681	@res = eval { $job->() };
461	warn $@ if $@;	682	error $@ if $@;
462	undef $busy;	683	undef $busy;
463	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
464		685
465	while ($busy) {	686	while ($busy) {
466	if (Coro::nready) {	687	if (Coro::nready) {
…		…
468	} else {	689	} else {
469	EV::loop EV::LOOP_ONESHOT;	690	EV::loop EV::LOOP_ONESHOT;
470	}	691	}
471	}	692	}
472		693
473	$time = EV::time - $time;	694	my $time = AE::time - $time;
474		695
475	LOG llevError | logBacktrace, Carp::longmess "long sync job"
476	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
477
478	$tick_start += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
479		697
480	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
481	} else {	699	} else {
482	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
483		701
…		…
503	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
504		722
505	$coro	723	$coro
506	}	724	}
507		725
508	=item fork_call { }, $args	726	=item fork_call { }, @args
509		727
510	Executes the given code block with the given arguments in a seperate	728	Executes the given code block with the given arguments in a seperate
511	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
512	Coro::Storable. May, of course, block. Note that the executed sub may	730	Coro::Storable. May, of course, block. Note that the executed sub may
513	never block itself or use any form of event handling.	731	never block itself or use any form of event handling.
514		732
515	=cut	733	=cut
516		734
		735	sub post_fork {
		736	reset_signals;
		737	}
		738
517	sub fork_call(&@) {	739	sub fork_call(&@) {
518	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
519		741
520	# we seemingly have to make a local copy of the whole thing,	742	# we seemingly have to make a local copy of the whole thing,
521	# otherwise perl prematurely frees the stuff :/	743	# otherwise perl prematurely frees the stuff :/
522	# TODO: investigate and fix (likely this will be rather laborious)	744	# TODO: investigate and fix (likely this will be rather laborious)
523		745
524	my @res = Coro::Util::fork_eval {	746	my @res = Coro::Util::fork_eval {
525	reset_signals;	747	cf::post_fork;
526	&$cb	748	&$cb
527	}, @args;	749	} @args;
528		750
529	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
530	}	790	}
531		791
532	=item $value = cf::db_get $family => $key	792	=item $value = cf::db_get $family => $key
533		793
534	Returns a single value from the environment database.	794	Returns a single value from the environment database.
…		…
544	within each server.	804	within each server.
545		805
546	=cut	806	=cut
547		807
548	sub db_table($) {	808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
549	my ($name) = @_;	812	my ($name) = @_;
550	my $db = BDB::db_create $DB_ENV;	813	my $db = BDB::db_create $DB_ENV;
551		814
552	eval {	815	eval {
553	$db->set_flags (BDB::CHKSUM);	816	$db->set_flags (BDB::CHKSUM);
…		…
563	}	826	}
564		827
565	our $DB;	828	our $DB;
566		829
567	sub db_init {	830	sub db_init {
568	cf::sync_job {
569	$DB ||= db_table "db";	831	$DB ||= db_table "db";
570	};
571	}	832	}
572		833
573	sub db_get($$) {	834	sub db_get($$) {
574	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
575		836
576	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
577	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
578		841
579	$! ? ()	842	$! ? ()
580	: $data	843	: $data
581	}
582	}	844	}
583		845
584	sub db_put($$$) {	846	sub db_put($$$) {
585	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
586	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
614		876
615	my @data;	877	my @data;
616	my $md5;	878	my $md5;
617		879
618	for (0 .. $#$src) {	880	for (0 .. $#$src) {
619	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
620	or Carp::croak "$src->[$_]: $!";
621	}	882	}
622		883
623	# if processing is expensive, check	884	# if processing is expensive, check
624	# checksum first	885	# checksum first
625	if (1) {	886	if (1) {
…		…
642		903
643	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
644	my $data = $process->(\@data);	905	my $data = $process->(\@data);
645	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
646		907
647	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
648		909
649	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
650	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
651	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
652		913
…		…
662		923
663	=cut	924	=cut
664		925
665	sub datalog($@) {	926	sub datalog($@) {
666	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
667	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
668	}	929	}
669		930
670	=back	931	=back
671		932
672	=cut	933	=cut
673		934
674	#############################################################################	935	#############################################################################
675		936
676	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
677		938
678	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
679	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")
680	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
681		942
682	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>
683	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
…		…
733	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
734		995
735	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
736	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
737		998
738	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
739	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.
740		1001
741	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
742		1003
743	=over 4	1004	=over 4
…		…
867		1128
868	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
869	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
870		1131
871	} elsif (ref $type) {	1132	} elsif (ref $type) {
872	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
873		1134
874	} else {	1135	} else {
875	shift @arg;	1136	shift @arg;
876	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
877	}	1138	}
878	}	1139	}
879	}	1140	}
880		1141
881	sub _object_attach {	1142	sub _object_attach {
…		…
891	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
892	}	1153	}
893		1154
894	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
895	} else {	1156	} else {
896	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
897	}	1158	}
898		1159
899	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
900	}	1161	}
901		1162
…		…
960		1221
961	for (@$callbacks) {	1222	for (@$callbacks) {
962	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
963		1224
964	if ($@) {	1225	if ($@) {
965	warn "$@";
966	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
967	override;	1227	override;
968	}	1228	}
969		1229
970	return 1 if $override;	1230	return 1 if $override;
971	}	1231	}
…		…
1034		1294
1035	sub reattach {	1295	sub reattach {
1036	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
1037	my ($obj) = @_;	1297	my ($obj) = @_;
1038		1298
		1299	# no longer needed after getting rid of delete_package?
1039	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
1040		1301
1041	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
1042		1303
1043	@$registry = ();	1304	@$registry = ();
1044		1305
…		…
1049	for (@$attach) {	1310	for (@$attach) {
1050	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
1051	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
1052	}	1313	}
1053	} else {	1314	} else {
1054	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
1055	}	1316	}
1056	}	1317	}
1057	}	1318	}
1058		1319
1059	cf::attachable->attach (	1320	cf::attachable->attach (
…		…
1086	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
1087		1348
1088	sync_job {	1349	sync_job {
1089	if (length $$rdata) {	1350	if (length $$rdata) {
1090	utf8::decode (my $decname = $filename);	1351	utf8::decode (my $decname = $filename);
1091	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
1092	$decname, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
1093		1355
1094	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1095	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
1096	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1097	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	}
1098	close $fh;	1363	aio_close $fh;
1099		1364
1100	if (@$objs) {	1365	if (@$objs) {
1101	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) {
1102	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
1103	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1104	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
1105	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	}
1106	close $fh;	1374	aio_close $fh;
1107	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
1108	}	1376	}
1109	} else {	1377	} else {
1110	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
1111	}	1379	}
1112		1380
1113	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
1114	} else {	1385	} else {
1115	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
1116	}	1387	}
1117	} else {	1388	} else {
1118	aio_unlink $filename;	1389	aio_unlink $filename;
1119	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
1120	}	1391	}
…		…
1144	my $st = eval { Coro::Storable::thaw $av };	1415	my $st = eval { Coro::Storable::thaw $av };
1145	$av = $st->{objs};	1416	$av = $st->{objs};
1146	}	1417	}
1147		1418
1148	utf8::decode (my $decname = $filename);	1419	utf8::decode (my $decname = $filename);
1149	warn sprintf "loading %s (%d,%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1150	$decname, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
1151		1423
1152	($data, $av)	1424	($data, $av)
1153	}	1425	}
1154		1426
1155	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
…		…
1159	=cut	1431	=cut
1160		1432
1161	#############################################################################	1433	#############################################################################
1162	# command handling &c	1434	# command handling &c
1163		1435
1164	=item cf::register_command $name => \&callback($ob,$args);	1436	=item cf::register_command $name => \&callback($ob,$args)
1165		1437
1166	Register a callback for execution when the client sends the user command	1438	Register a callback for execution when the client sends the user command
1167	$name.	1439	$name.
1168		1440
1169	=cut	1441	=cut
…		…
1175	#warn "registering command '$name/$time' to '$caller'";	1447	#warn "registering command '$name/$time' to '$caller'";
1176		1448
1177	push @{ $COMMAND{$name} }, [$caller, $cb];	1449	push @{ $COMMAND{$name} }, [$caller, $cb];
1178	}	1450	}
1179		1451
1180	=item cf::register_extcmd $name => \&callback($pl,$packet);	1452	=item cf::register_extcmd $name => \&callback($pl,$packet)
1181		1453
1182	Register a callback for execution when the client sends an (synchronous)	1454	Register a callback for execution when the client sends an (synchronous)
1183	extcmd packet. Ext commands will be processed in the order they are	1455	extcmd packet. Ext commands will be processed in the order they are
1184	received by the server, like other user commands. The first argument is	1456	received by the server, like other user commands. The first argument is
1185	the logged-in player. Ext commands can only be processed after a player	1457	the logged-in player. Ext commands can only be processed after a player
1186	has logged in successfully.	1458	has logged in successfully.
1187		1459
1188	If the callback returns something, it is sent back as if reply was being	1460	If the callback returns something, it is sent back as if reply was being
1189	called.	1461	called.
1190		1462
1191	=item cf::register_exticmd $name => \&callback($ns,$packet);	1463	=item cf::register_exticmd $name => \&callback($ns,$packet)
1192		1464
1193	Register a callback for execution when the client sends an (asynchronous)	1465	Register a callback for execution when the client sends an (asynchronous)
1194	exticmd packet. Exti commands are processed by the server as soon as they	1466	exticmd packet. Exti commands are processed by the server as soon as they
1195	are received, i.e. out of order w.r.t. other commands. The first argument	1467	are received, i.e. out of order w.r.t. other commands. The first argument
1196	is a client socket. Exti commands can be received anytime, even before	1468	is a client socket. Exti commands can be received anytime, even before
…		…
1211	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1212		1484
1213	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1214	}	1486	}
1215		1487
		1488	use File::Glob ();
		1489
1216	cf::player->attach (	1490	cf::player->attach (
1217	on_command => sub {	1491	on_unknown_command => sub {
1218	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1219		1493
1220	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1221	or return;	1495	or return;
1222		1496
…		…
1230	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1231		1505
1232	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1233		1507
1234	if (ref $msg) {	1508	if (ref $msg) {
1235	my ($type, $reply, @payload) =	1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1236	"ARRAY" eq ref $msg
1237	? @$msg
1238	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1239		1510
1240	my @reply;	1511	my @reply;
1241		1512
1242	if (my $cb = $EXTCMD{$type}) {	1513	if (my $cb = $EXTCMD{$type}) {
1243	@reply = $cb->($pl, @payload);	1514	@reply = $cb->($pl, @payload);
1244	}	1515	}
1245		1516
1246	$pl->ext_reply ($reply, @reply)	1517	$pl->ext_msg ("reply-$reply", @reply)
1247	if $reply;	1518	if $reply;
1248		1519
1249	} else {	1520	} else {
1250	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1251	}	1522	}
1252		1523
1253	cf::override;	1524	cf::override;
1254	},	1525	},
1255	);	1526	);
1256		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
1257	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1258	cf::sync_job {	1557	cf::sync_job {
1259	my %todo;	1558	my %todo;
1260		1559
1261	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1262	next unless -r $path;	1561	next unless -r $path;
…		…
1280		1579
1281	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1282	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1283		1582
1284	$ext{source} =	1583	$ext{source} =
1285	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1286	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1287	. $source	1586	. $source
1288	. "\n};\n1";	1587	. "\n};\n1";
1289		1588
1290	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1291	}	1590	}
1292		1591
		1592	my $pass = 0;
1293	my %done;	1593	my %done;
1294	while (%todo) {	1594	while (%todo) {
1295	my $progress;	1595	my $progress;
1296		1596
		1597	++$pass;
		1598
		1599	ext:
1297	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1298	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1299	goto skip	1602	next ext
1300	unless exists $done{$_};	1603	unless exists $done{$_};
1301	}	1604	}
1302		1605
1303	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1304		1607
1305	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 $@) {
1306	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1307	: "$v->{base}: extension inactive.\n";
1308		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1309	if (exists $v->{meta}{mandatory}) {	1623	if exists $v->{meta}{mandatory};
1310	warn $msg;	1624
1311	warn "mandatory extension failed to load, exiting.\n";	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1312	exit 1;	1626	delete $todo{$k};
1313	}	1627	} else {
1314		1628	$done{$k} = delete $todo{$k};
1315	warn $msg;	1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1316	}	1634	}
1317
1318	$done{$k} = delete $todo{$k};
1319	push @EXTS, $v->{pkg};
1320	$progress = 1;
1321	}	1635	}
1322		1636
1323	skip:	1637	unless ($progress) {
1324	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1325	unless $progress;	1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
1326	}	1647	}
1327	};	1648	};
1328	}	1649	}
1329		1650
1330	#############################################################################	1651	#############################################################################
1331		1652
1332	=back	1653	=back
1333		1654
1334	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1335		1656
1336	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1337		1658
1338	=cut	1659	=cut
1339		1660
1340	package cf::player;	1661	package cf::player;
1341		1662
…		…
1384		1705
1385	sub exists($) {	1706	sub exists($) {
1386	my ($login) = @_;	1707	my ($login) = @_;
1387		1708
1388	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1389	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1390	}	1711	}
1391		1712
1392	sub find($) {	1713	sub find($) {
1393	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1394	my $login = $_[0];	1715	my $login = $_[0];
…		…
1406	my $f = new_from_file cf::object::thawer path $login	1727	my $f = new_from_file cf::object::thawer path $login
1407	or return;	1728	or return;
1408		1729
1409	my $pl = cf::player::load_pl $f	1730	my $pl = cf::player::load_pl $f
1410	or return;	1731	or return;
		1732
1411	local $cf::PLAYER_LOADING{$login} = $pl;	1733	local $cf::PLAYER_LOADING{$login} = $pl;
1412	$f->resolve_delayed_derefs;	1734	$f->resolve_delayed_derefs;
1413	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1414	}	1736	}
1415	}	1737	}
1416	}	1738	}
1417		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($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	);
		1752
1418	sub save($) {	1753	sub save($) {
1419	my ($pl) = @_;	1754	my ($pl) = @_;
1420		1755
1421	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
1422		1757
…		…
1425		1760
1426	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1427		1762
1428	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1429	$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];
1430		1770
1431	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1432	cf::cede_to_tick;	1772	cf::cede_to_tick;
1433	}	1773	}
1434		1774
…		…
1466	my ($pl) = @_;	1806	my ($pl) = @_;
1467		1807
1468	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1469		1809
1470	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1471	$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
1472		1812
1473	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1474	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1475	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1476	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1477		1821
1478	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1479	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1480	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1518		1862
1519	for my $login (@$dirs) {	1863	for my $login (@$dirs) {
1520	my $path = path $login;	1864	my $path = path $login;
1521		1865
1522	# a .pst is a dead give-away for a valid player	1866	# a .pst is a dead give-away for a valid player
1523	unless (-e "$path.pst") {	1867	# if no pst file found, open and chekc for blocked users
		1868	if (aio_stat "$path.pst") {
1524	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1525	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1526	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
1527	}	1872	}
1528		1873
…		…
1532		1877
1533	\@logins	1878	\@logins
1534	}	1879	}
1535		1880
1536	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1537		1884
1538	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1539	player. May block.	1886	player. May block.
1540		1887
1541	=cut	1888	=cut
…		…
1559	}	1906	}
1560		1907
1561	\@paths	1908	\@paths
1562	}	1909	}
1563		1910
1564	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1565		1912
1566	Expand crossfire pod fragments into protocol xml.	1913	Expand deliantra pod fragments into protocol xml.
1567
1568	=cut
1569
1570	use re 'eval';
1571
1572	my $group;
1573	my $interior; $interior = qr{
1574	# match a pod interior sequence sans C<< >>
1575	(?:
1576	\ (.*?)\ (?{ $group = $^N })
1577	| < (??{$interior}) >
1578	)
1579	}x;
1580
1581	sub expand_cfpod {
1582	my ($self, $pod) = @_;
1583
1584	my $xml;
1585
1586	while () {
1587	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1588	$group = $1;
1589
1590	$group =~ s/&/&amp;/g;
1591	$group =~ s/</&lt;/g;
1592
1593	$xml .= $group;
1594	} elsif ($pod =~ m%\G
1595	([BCGHITU])
1596	<
1597	(?:
1598	([^<>]*) (?{ $group = $^N })
1599	| < $interior >
1600	)
1601	>
1602	%gcsx
1603	) {
1604	my ($code, $data) = ($1, $group);
1605
1606	if ($code eq "B") {
1607	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1608	} elsif ($code eq "I") {
1609	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1610	} elsif ($code eq "U") {
1611	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1612	} elsif ($code eq "C") {
1613	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1614	} elsif ($code eq "T") {
1615	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1616	} elsif ($code eq "G") {
1617	my ($male, $female) = split /\|/, $data;
1618	$data = $self->gender ? $female : $male;
1619	$xml .= expand_cfpod ($self, $data);
1620	} elsif ($code eq "H") {
1621	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1622	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1623	"")
1624	[$self->{hintmode}];
1625	} else {
1626	$xml .= "error processing '$code($data)' directive";
1627	}
1628	} else {
1629	if ($pod =~ /\G(.+)/) {
1630	warn "parse error while expanding $pod (at $1)";
1631	}
1632	last;
1633	}
1634	}
1635
1636	for ($xml) {
1637	# create single paragraphs (very hackish)
1638	s/(?<=\S)\n(?=\w)/ /g;
1639
1640	# compress some whitespace
1641	s/\s+\n/\n/g; # ws line-ends
1642	s/\n\n+/\n/g; # double lines
1643	s/^\n+//; # beginning lines
1644	s/\n+$//; # ending lines
1645	}
1646
1647	$xml
1648	}
1649
1650	no re 'eval';
1651
1652	sub hintmode {
1653	$_[0]{hintmode} = $_[1] if @_ > 1;
1654	$_[0]{hintmode}
1655	}
1656
1657	=item $player->ext_reply ($msgid, @msg)
1658
1659	Sends an ext reply to the player.
1660
1661	=cut
1662
1663	sub ext_reply($$@) {
1664	my ($self, $id, @msg) = @_;
1665
1666	$self->ns->ext_reply ($id, @msg)
1667	}
1668		1914
1669	=item $player->ext_msg ($type, @msg)	1915	=item $player->ext_msg ($type, @msg)
1670		1916
1671	Sends an ext event to the client.	1917	Sends an ext event to the client.
1672		1918
…		…
1692		1938
1693	=cut	1939	=cut
1694		1940
1695	sub find_by_path($) {	1941	sub find_by_path($) {
1696	my ($path) = @_;	1942	my ($path) = @_;
		1943
		1944	$path =~ s/^~[^\/]*//; # skip ~login
1697		1945
1698	my ($match, $specificity);	1946	my ($match, $specificity);
1699		1947
1700	for my $region (list) {	1948	for my $region (list) {
1701	if ($region->{match} && $path =~ $region->{match}) {	1949	if ($region->{match} && $path =~ $region->{match}) {
…		…
1727	our $MAX_RESET = 3600;	1975	our $MAX_RESET = 3600;
1728	our $DEFAULT_RESET = 3000;	1976	our $DEFAULT_RESET = 3000;
1729		1977
1730	sub generate_random_map {	1978	sub generate_random_map {
1731	my ($self, $rmp) = @_;	1979	my ($self, $rmp) = @_;
1732	# mit "rum" bekleckern, nicht	1980
		1981	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1982
1733	$self->_create_random_map (	1983	$self->_create_random_map ($rmp);
1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1737	$rmp->{exit_on_final_map},
1738	$rmp->{xsize}, $rmp->{ysize},
1739	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1740	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1741	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1742	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1743	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1744	(cf::region::find $rmp->{region}), $rmp->{custom}
1745	)
1746	}	1984	}
1747		1985
1748	=item cf::map->register ($regex, $prio)	1986	=item cf::map->register ($regex, $prio)
1749		1987
1750	Register a handler for the map path matching the given regex at the	1988	Register a handler for the map path matching the given regex at the
…		…
1755		1993
1756	sub register {	1994	sub register {
1757	my (undef, $regex, $prio) = @_;	1995	my (undef, $regex, $prio) = @_;
1758	my $pkg = caller;	1996	my $pkg = caller;
1759		1997
1760	no strict;
1761	push @{"$pkg\::ISA"}, __PACKAGE__;	1998	push @{"$pkg\::ISA"}, __PACKAGE__;
1762		1999
1763	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2000	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1764	}	2001	}
1765		2002
1766	# also paths starting with '/'	2003	# also paths starting with '/'
1767	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2004	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1768		2005
1769	sub thawer_merge {	2006	sub thawer_merge {
1770	my ($self, $merge) = @_;	2007	my ($self, $merge) = @_;
1771		2008
1772	# we have to keep some variables in memory intact	2009	# we have to keep some variables in memory intact
…		…
1777	}	2014	}
1778		2015
1779	sub normalise {	2016	sub normalise {
1780	my ($path, $base) = @_;	2017	my ($path, $base) = @_;
1781		2018
1782	$path = "$path"; # make sure its a string	2019	$path = "$path"; # make sure it's a string
1783		2020
1784	$path =~ s/\.map$//;	2021	$path =~ s/\.map$//;
1785		2022
1786	# map plan:	2023	# map plan:
1787	#	2024	#
…		…
1802	$base =~ s{[^/]+/?$}{};	2039	$base =~ s{[^/]+/?$}{};
1803	$path = "$base/$path";	2040	$path = "$base/$path";
1804	}	2041	}
1805		2042
1806	for ($path) {	2043	for ($path) {
1807	redo if s{//}{/};
1808	redo if s{/\.?/}{/};	2044	redo if s{/\.?/}{/};
1809	redo if s{/[^/]+/\.\./}{/};	2045	redo if s{/[^/]+/\.\./}{/};
1810	}	2046	}
1811		2047
1812	$path	2048	$path
…		…
1826	$self->init; # pass $1 etc.	2062	$self->init; # pass $1 etc.
1827	return $self;	2063	return $self;
1828	}	2064	}
1829	}	2065	}
1830		2066
1831	Carp::cluck "unable to resolve path '$path' (base '$base').";	2067	Carp::cluck "unable to resolve path '$path' (base '$base')";
1832	()	2068	()
1833	}	2069	}
1834		2070
		2071	# may re-bless or do other evil things
1835	sub init {	2072	sub init {
1836	my ($self) = @_;	2073	my ($self) = @_;
1837		2074
1838	$self	2075	$self
1839	}	2076	}
…		…
1858		2095
1859	# the temporary/swap location	2096	# the temporary/swap location
1860	sub save_path {	2097	sub save_path {
1861	my ($self) = @_;	2098	my ($self) = @_;
1862		2099
1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2100	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1864	"$TMPDIR/$path.map"	2101	"$TMPDIR/$path.map"
1865	}	2102	}
1866		2103
1867	# the unique path, undef == no special unique path	2104	# the unique path, undef == no special unique path
1868	sub uniq_path {	2105	sub uniq_path {
1869	my ($self) = @_;	2106	my ($self) = @_;
1870		2107
1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1872	"$UNIQUEDIR/$path"	2109	"$UNIQUEDIR/$path"
1873	}
1874
1875	# and all this just because we cannot iterate over
1876	# all maps in C++...
1877	sub change_all_map_light {
1878	my ($change) = @_;
1879
1880	$_->change_map_light ($change)
1881	for grep $_->outdoor, values %cf::MAP;
1882	}	2110	}
1883		2111
1884	sub decay_objects {	2112	sub decay_objects {
1885	my ($self) = @_;	2113	my ($self) = @_;
1886		2114
…		…
1913	$self->{load_path} = $path;	2141	$self->{load_path} = $path;
1914		2142
1915	1	2143	1
1916	}	2144	}
1917		2145
		2146	# used to laod the header of an original map
1918	sub load_header_orig {	2147	sub load_header_orig {
1919	my ($self) = @_;	2148	my ($self) = @_;
1920		2149
1921	$self->load_header_from ($self->load_path)	2150	$self->load_header_from ($self->load_path)
1922	}	2151	}
1923		2152
		2153	# used to laod the header of an instantiated map
1924	sub load_header_temp {	2154	sub load_header_temp {
1925	my ($self) = @_;	2155	my ($self) = @_;
1926		2156
1927	$self->load_header_from ($self->save_path)	2157	$self->load_header_from ($self->save_path)
1928	}	2158	}
1929		2159
		2160	# called after loading the header from an instantiated map
1930	sub prepare_temp {	2161	sub prepare_temp {
1931	my ($self) = @_;	2162	my ($self) = @_;
1932		2163
1933	$self->last_access ((delete $self->{last_access})	2164	$self->last_access ((delete $self->{last_access})
1934	|| $cf::RUNTIME); #d#	2165	|| $cf::RUNTIME); #d#
1935	# safety	2166	# safety
1936	$self->{instantiate_time} = $cf::RUNTIME	2167	$self->{instantiate_time} = $cf::RUNTIME
1937	if $self->{instantiate_time} > $cf::RUNTIME;	2168	if $self->{instantiate_time} > $cf::RUNTIME;
1938	}	2169	}
1939		2170
		2171	# called after loading the header from an original map
1940	sub prepare_orig {	2172	sub prepare_orig {
1941	my ($self) = @_;	2173	my ($self) = @_;
1942		2174
1943	$self->{load_original} = 1;	2175	$self->{load_original} = 1;
1944	$self->{instantiate_time} = $cf::RUNTIME;	2176	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1968		2200
1969	sub find;	2201	sub find;
1970	sub find {	2202	sub find {
1971	my ($path, $origin) = @_;	2203	my ($path, $origin) = @_;
1972		2204
		2205	cf::cede_to_tick;
		2206
1973	$path = normalise $path, $origin && $origin->path;	2207	$path = normalise $path, $origin;
1974		2208
1975	cf::lock_wait "map_data:$path";#d#remove	2209	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1976	cf::lock_wait "map_find:$path";	2210	my $guard2 = cf::lock_acquire "map_find:$path";
1977		2211
1978	$cf::MAP{$path} || do {	2212	$cf::MAP{$path} || do {
1979	my $guard1 = cf::lock_acquire "map_find:$path";
1980	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1981
1982	my $map = new_from_path cf::map $path	2213	my $map = new_from_path cf::map $path
1983	or return;	2214	or return;
1984		2215
1985	$map->{last_save} = $cf::RUNTIME;	2216	$map->{last_save} = $cf::RUNTIME;
1986		2217
…		…
1988	or return;	2219	or return;
1989		2220
1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2221	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1991	# doing this can freeze the server in a sync job, obviously	2222	# doing this can freeze the server in a sync job, obviously
1992	#$cf::WAIT_FOR_TICK->wait;	2223	#$cf::WAIT_FOR_TICK->wait;
		2224	undef $guard2;
1993	undef $guard1;	2225	undef $guard1;
1994	undef $guard2;
1995	$map->reset;	2226	$map->reset;
1996	return find $path;	2227	return find $path;
1997	}	2228	}
1998		2229
1999	$cf::MAP{$path} = $map	2230	$cf::MAP{$path} = $map
2000	}	2231	}
2001	}	2232	}
2002		2233
2003	sub pre_load { }	2234	sub pre_load { }
2004	sub post_load { }	2235	#sub post_load { } # XS
2005		2236
2006	sub load {	2237	sub load {
2007	my ($self) = @_;	2238	my ($self) = @_;
2008		2239
2009	local $self->{deny_reset} = 1; # loading can take a long time	2240	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2012		2243
2013	{	2244	{
2014	my $guard = cf::lock_acquire "map_data:$path";	2245	my $guard = cf::lock_acquire "map_data:$path";
2015		2246
2016	return unless $self->valid;	2247	return unless $self->valid;
2017	return unless $self->in_memory == cf::MAP_SWAPPED;	2248	return unless $self->state == cf::MAP_SWAPPED;
2018
2019	$self->in_memory (cf::MAP_LOADING);
2020		2249
2021	$self->alloc;	2250	$self->alloc;
2022		2251
2023	$self->pre_load;	2252	$self->pre_load;
2024	cf::cede_to_tick;	2253	cf::cede_to_tick;
2025		2254
		2255	if (exists $self->{load_path}) {
2026	my $f = new_from_file cf::object::thawer $self->{load_path};	2256	my $f = new_from_file cf::object::thawer $self->{load_path};
2027	$f->skip_block;	2257	$f->skip_block;
2028	$self->_load_objects ($f)	2258	$self->_load_objects ($f)
2029	or return;	2259	or return;
2030		2260
2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2261	$self->post_load_original
2032	if delete $self->{load_original};	2262	if delete $self->{load_original};
2033		2263
2034	if (my $uniq = $self->uniq_path) {	2264	if (my $uniq = $self->uniq_path) {
2035	utf8::encode $uniq;	2265	utf8::encode $uniq;
2036	unless (aio_stat $uniq) {	2266	unless (aio_stat $uniq) {
2037	if (my $f = new_from_file cf::object::thawer $uniq) {	2267	if (my $f = new_from_file cf::object::thawer $uniq) {
2038	$self->clear_unique_items;	2268	$self->clear_unique_items;
2039	$self->_load_objects ($f);	2269	$self->_load_objects ($f);
2040	$f->resolve_delayed_derefs;	2270	$f->resolve_delayed_derefs;
		2271	}
2041	}	2272	}
2042	}	2273	}
2043	}
2044		2274
2045	$f->resolve_delayed_derefs;	2275	$f->resolve_delayed_derefs;
		2276	} else {
		2277	$self->post_load_original
		2278	if delete $self->{load_original};
		2279	}
		2280
		2281	$self->state (cf::MAP_INACTIVE);
2046		2282
2047	cf::cede_to_tick;	2283	cf::cede_to_tick;
2048	# now do the right thing for maps	2284	# now do the right thing for maps
2049	$self->link_multipart_objects;	2285	$self->link_multipart_objects;
2050	$self->difficulty ($self->estimate_difficulty)	2286	$self->difficulty ($self->estimate_difficulty)
…		…
2054	unless ($self->{deny_activate}) {	2290	unless ($self->{deny_activate}) {
2055	$self->decay_objects;	2291	$self->decay_objects;
2056	$self->fix_auto_apply;	2292	$self->fix_auto_apply;
2057	$self->update_buttons;	2293	$self->update_buttons;
2058	cf::cede_to_tick;	2294	cf::cede_to_tick;
2059	$self->set_darkness_map;	2295	#$self->activate; # no longer activate maps automatically
2060	cf::cede_to_tick;
2061	$self->activate;
2062	}	2296	}
2063		2297
2064	$self->{last_save} = $cf::RUNTIME;	2298	$self->{last_save} = $cf::RUNTIME;
2065	$self->last_access ($cf::RUNTIME);	2299	$self->last_access ($cf::RUNTIME);
2066
2067	$self->in_memory (cf::MAP_IN_MEMORY);
2068	}	2300	}
2069		2301
2070	$self->post_load;	2302	$self->post_load;
2071	}
2072		2303
		2304	1
		2305	}
		2306
		2307	# customize the map for a given player, i.e.
		2308	# return the _real_ map. used by e.g. per-player
		2309	# maps to change the path to ~playername/mappath
2073	sub customise_for {	2310	sub customise_for {
2074	my ($self, $ob) = @_;	2311	my ($self, $ob) = @_;
2075		2312
2076	return find "~" . $ob->name . "/" . $self->{path}	2313	return find "~" . $ob->name . "/" . $self->{path}
2077	if $self->per_player;	2314	if $self->per_player;
…		…
2080	# if $self->per_party;	2317	# if $self->per_party;
2081		2318
2082	$self	2319	$self
2083	}	2320	}
2084		2321
2085	# find and load all maps in the 3x3 area around a map
2086	sub load_neighbours {
2087	my ($map) = @_;
2088
2089	my @neigh; # diagonal neighbours
2090
2091	for (0 .. 3) {
2092	my $neigh = $map->tile_path ($_)
2093	or next;
2094	$neigh = find $neigh, $map
2095	or next;
2096	$neigh->load;
2097
2098	push @neigh,
2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2101	}
2102
2103	for (grep defined $_->[0], @neigh) {
2104	my ($path, $origin) = @$_;
2105	my $neigh = find $path, $origin
2106	or next;
2107	$neigh->load;
2108	}
2109	}
2110
2111	sub find_sync {	2322	sub find_sync {
2112	my ($path, $origin) = @_;	2323	my ($path, $origin) = @_;
2113		2324
2114	cf::sync_job { find $path, $origin }	2325	# it's a bug to call this from the main context
		2326	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2327	if $Coro::current == $Coro::main;
		2328
		2329	find $path, $origin
2115	}	2330	}
2116		2331
2117	sub do_load_sync {	2332	sub do_load_sync {
2118	my ($map) = @_;	2333	my ($map) = @_;
2119		2334
		2335	# it's a bug to call this from the main context
2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2336	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2121	if $Coro::current == $Coro::main;	2337	if $Coro::current == $Coro::main;
2122		2338
2123	cf::sync_job { $map->load };	2339	$map->load;
2124	}	2340	}
2125		2341
2126	our %MAP_PREFETCH;	2342	our %MAP_PREFETCH;
2127	our $MAP_PREFETCHER = undef;	2343	our $MAP_PREFETCHER = undef;
2128		2344
2129	sub find_async {	2345	sub find_async {
2130	my ($path, $origin, $load) = @_;	2346	my ($path, $origin, $load) = @_;
2131		2347
2132	$path = normalise $path, $origin && $origin->{path};	2348	$path = normalise $path, $origin;
2133		2349
2134	if (my $map = $cf::MAP{$path}) {	2350	if (my $map = $cf::MAP{$path}) {
2135	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2351	return $map if !$load || $map->linkable;
2136	}	2352	}
2137		2353
2138	$MAP_PREFETCH{$path} |= $load;	2354	$MAP_PREFETCH{$path} |= $load;
2139		2355
2140	$MAP_PREFETCHER ||= cf::async {	2356	$MAP_PREFETCHER ||= cf::async {
…		…
2154	$MAP_PREFETCHER->prio (6);	2370	$MAP_PREFETCHER->prio (6);
2155		2371
2156	()	2372	()
2157	}	2373	}
2158		2374
		2375	# common code, used by both ->save and ->swapout
2159	sub save {	2376	sub _save {
2160	my ($self) = @_;	2377	my ($self) = @_;
2161
2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
2163		2378
2164	$self->{last_save} = $cf::RUNTIME;	2379	$self->{last_save} = $cf::RUNTIME;
2165		2380
2166	return unless $self->dirty;	2381	return unless $self->dirty;
2167		2382
…		…
2176		2391
2177	cf::async {	2392	cf::async {
2178	$Coro::current->{desc} = "map player save";	2393	$Coro::current->{desc} = "map player save";
2179	$_->contr->save for $self->players;	2394	$_->contr->save for $self->players;
2180	};	2395	};
		2396
		2397	cf::get_slot 0.02;
2181		2398
2182	if ($uniq) {	2399	if ($uniq) {
2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2400	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2184	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2401	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2185	} else {	2402	} else {
2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2403	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2187	}	2404	}
2188	}	2405	}
2189		2406
		2407	sub save {
		2408	my ($self) = @_;
		2409
		2410	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2411
		2412	$self->_save;
		2413	}
		2414
2190	sub swap_out {	2415	sub swap_out {
2191	my ($self) = @_;	2416	my ($self) = @_;
2192		2417
2193	# save first because save cedes
2194	$self->save;
2195
2196	my $lock = cf::lock_acquire "map_data:$self->{path}";	2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
2197		2419
		2420	return if !$self->linkable;
		2421	return if $self->{deny_save};
2198	return if $self->players;	2422	return if $self->players;
2199	return if $self->in_memory != cf::MAP_IN_MEMORY;	2423
		2424	# first deactivate the map and "unlink" it from the core
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
		2427	$self->state (cf::MAP_SWAPPED);
		2428
		2429	# then atomically save
		2430	$self->_save;
		2431
		2432	# then free the map
		2433	$self->clear;
		2434	}
		2435
		2436	sub reset_at {
		2437	my ($self) = @_;
		2438
		2439	# TODO: safety, remove and allow resettable per-player maps
2200	return if $self->{deny_save};	2440	return 1e99 if $self->{deny_reset};
2201		2441
		2442	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2443	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2444
		2445	$time + $to
		2446	}
		2447
		2448	sub should_reset {
		2449	my ($self) = @_;
		2450
		2451	$self->reset_at <= $cf::RUNTIME
		2452	}
		2453
		2454	sub reset {
		2455	my ($self) = @_;
		2456
		2457	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2458
		2459	return if $self->players;
		2460
		2461	cf::trace "resetting map ", $self->path, "\n";
		2462
2202	$self->in_memory (cf::MAP_SWAPPED);	2463	$self->state (cf::MAP_SWAPPED);
		2464
		2465	# need to save uniques path
		2466	unless ($self->{deny_save}) {
		2467	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2468
		2469	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2470	if $uniq;
		2471	}
		2472
		2473	delete $cf::MAP{$self->path};
2203		2474
2204	$self->deactivate;	2475	$self->deactivate;
2205	$_->clear_links_to ($self) for values %cf::MAP;	2476	$_->clear_links_to ($self) for values %cf::MAP;
2206	$self->clear;	2477	$self->clear;
2207	}
2208
2209	sub reset_at {
2210	my ($self) = @_;
2211
2212	# TODO: safety, remove and allow resettable per-player maps
2213	return 1e99 if $self->{deny_reset};
2214
2215	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2216	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2217
2218	$time + $to
2219	}
2220
2221	sub should_reset {
2222	my ($self) = @_;
2223
2224	$self->reset_at <= $cf::RUNTIME
2225	}
2226
2227	sub reset {
2228	my ($self) = @_;
2229
2230	my $lock = cf::lock_acquire "map_data:$self->{path}";
2231
2232	return if $self->players;
2233
2234	warn "resetting map ", $self->path;
2235
2236	$self->in_memory (cf::MAP_SWAPPED);
2237
2238	# need to save uniques path
2239	unless ($self->{deny_save}) {
2240	my $uniq = $self->uniq_path; utf8::encode $uniq;
2241
2242	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2243	if $uniq;
2244	}
2245
2246	delete $cf::MAP{$self->path};
2247
2248	$self->deactivate;
2249	$_->clear_links_to ($self) for values %cf::MAP;
2250	$self->clear;
2251		2478
2252	$self->unlink_save;	2479	$self->unlink_save;
2253	$self->destroy;	2480	$self->destroy;
2254	}	2481	}
2255		2482
…		…
2263		2490
2264	delete $cf::MAP{$self->path};	2491	delete $cf::MAP{$self->path};
2265		2492
2266	$self->unlink_save;	2493	$self->unlink_save;
2267		2494
2268	bless $self, "cf::map";	2495	bless $self, "cf::map::wrap";
2269	delete $self->{deny_reset};	2496	delete $self->{deny_reset};
2270	$self->{deny_save} = 1;	2497	$self->{deny_save} = 1;
2271	$self->reset_timeout (1);	2498	$self->reset_timeout (1);
2272	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2499	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2273		2500
…		…
2322		2549
2323	sub unique_maps() {	2550	sub unique_maps() {
2324	[	2551	[
2325	map {	2552	map {
2326	utf8::decode $_;	2553	utf8::decode $_;
2327	/\.map$/	2554	s/\.map$//; # TODO future compatibility hack
		2555	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2556	? ()
2328	? normalise $_	2557	: normalise $_
2329	: ()
2330	} @{ aio_readdir $UNIQUEDIR or [] }	2558	} @{ aio_readdir $UNIQUEDIR or [] }
2331	]	2559	]
2332	}	2560	}
2333		2561
2334	package cf;	2562	=item cf::map::static_maps
		2563
		2564	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2565	file in the shared directory excluding F</styles> and F</editor>). May
		2566	block.
		2567
		2568	=cut
		2569
		2570	sub static_maps() {
		2571	my @dirs = "";
		2572	my @maps;
		2573
		2574	while (@dirs) {
		2575	my $dir = shift @dirs;
		2576
		2577	next if $dir eq "/styles" || $dir eq "/editor";
		2578
		2579	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2580	or return;
		2581
		2582	for (@$files) {
		2583	s/\.map$// or next;
		2584	utf8::decode $_;
		2585	push @maps, "$dir/$_";
		2586	}
		2587
		2588	push @dirs, map "$dir/$_", @$dirs;
		2589	}
		2590
		2591	\@maps
		2592	}
2335		2593
2336	=back	2594	=back
2337		2595
2338	=head3 cf::object	2596	=head3 cf::object
2339		2597
…		…
2343		2601
2344	=over 4	2602	=over 4
2345		2603
2346	=item $ob->inv_recursive	2604	=item $ob->inv_recursive
2347		2605
2348	Returns the inventory of the object _and_ their inventories, recursively.	2606	Returns the inventory of the object I<and> their inventories, recursively,
		2607	but I<not> the object itself.
2349		2608
2350	=cut	2609	=cut
2351		2610
2352	sub inv_recursive_;	2611	sub inv_recursive_;
2353	sub inv_recursive_ {	2612	sub inv_recursive_ {
…		…
2358	inv_recursive_ inv $_[0]	2617	inv_recursive_ inv $_[0]
2359	}	2618	}
2360		2619
2361	=item $ref = $ob->ref	2620	=item $ref = $ob->ref
2362		2621
2363	creates and returns a persistent reference to an objetc that can be stored as a string.	2622	Creates and returns a persistent reference to an object that can be stored as a string.
2364		2623
2365	=item $ob = cf::object::deref ($refstring)	2624	=item $ob = cf::object::deref ($refstring)
2366		2625
2367	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2626	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2368	even if the object actually exists. May block.	2627	even if the object actually exists. May block.
…		…
2400	can be C<undef>. Does the right thing when the player is currently in a	2659	can be C<undef>. Does the right thing when the player is currently in a
2401	dialogue with the given NPC character.	2660	dialogue with the given NPC character.
2402		2661
2403	=cut	2662	=cut
2404		2663
		2664	our $SAY_CHANNEL = {
		2665	id => "say",
		2666	title => "Map",
		2667	reply => "say ",
		2668	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2669	};
		2670
		2671	our $CHAT_CHANNEL = {
		2672	id => "chat",
		2673	title => "Chat",
		2674	reply => "chat ",
		2675	tooltip => "Player chat and shouts, global to the server.",
		2676	};
		2677
2405	# rough implementation of a future "reply" method that works	2678	# rough implementation of a future "reply" method that works
2406	# with dialog boxes.	2679	# with dialog boxes.
2407	#TODO: the first argument must go, split into a $npc->reply_to ( method	2680	#TODO: the first argument must go, split into a $npc->reply_to ( method
2408	sub cf::object::player::reply($$$;$) {	2681	sub cf::object::player::reply($$$;$) {
2409	my ($self, $npc, $msg, $flags) = @_;	2682	my ($self, $npc, $msg, $flags) = @_;
…		…
2420	my $dialog = $pl->{npc_dialog};	2693	my $dialog = $pl->{npc_dialog};
2421	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2694	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2422		2695
2423	} else {	2696	} else {
2424	$msg = $npc->name . " says: $msg" if $npc;	2697	$msg = $npc->name . " says: $msg" if $npc;
2425	$self->message ($msg, $flags);	2698	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2426	}	2699	}
2427	}	2700	}
2428	}	2701	}
2429		2702
2430	=item $object->send_msg ($channel, $msg, $color, [extra...])	2703	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2455		2728
2456	=item $player_object->enter_link	2729	=item $player_object->enter_link
2457		2730
2458	Freezes the player and moves him/her to a special map (C<{link}>).	2731	Freezes the player and moves him/her to a special map (C<{link}>).
2459		2732
2460	The player should be reasonably safe there for short amounts of time. You	2733	The player should be reasonably safe there for short amounts of time (e.g.
2461	I<MUST> call C<leave_link> as soon as possible, though.	2734	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2735	though, as the player cannot control the character while it is on the link
		2736	map.
2462		2737
2463	Will never block.	2738	Will never block.
2464		2739
2465	=item $player_object->leave_link ($map, $x, $y)	2740	=item $player_object->leave_link ($map, $x, $y)
2466		2741
…		…
2486	sub cf::object::player::enter_link {	2761	sub cf::object::player::enter_link {
2487	my ($self) = @_;	2762	my ($self) = @_;
2488		2763
2489	$self->deactivate_recursive;	2764	$self->deactivate_recursive;
2490		2765
		2766	++$self->{_link_recursion};
		2767
2491	return if UNIVERSAL::isa $self->map, "ext::map_link";	2768	return if UNIVERSAL::isa $self->map, "ext::map_link";
2492		2769
2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2494	if $self->map && $self->map->{path} ne "{link}";	2771	if $self->map && $self->map->{path} ne "{link}";
2495		2772
2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2773	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2497	}	2774	}
2498		2775
2499	sub cf::object::player::leave_link {	2776	sub cf::object::player::leave_link {
2500	my ($self, $map, $x, $y) = @_;	2777	my ($self, $map, $x, $y) = @_;
2501		2778
…		…
2518	($x, $y) = (-1, -1)	2795	($x, $y) = (-1, -1)
2519	unless (defined $x) && (defined $y);	2796	unless (defined $x) && (defined $y);
2520		2797
2521	# use -1 or undef as default coordinates, not 0, 0	2798	# use -1 or undef as default coordinates, not 0, 0
2522	($x, $y) = ($map->enter_x, $map->enter_y)	2799	($x, $y) = ($map->enter_x, $map->enter_y)
2523	if $x <=0 && $y <= 0;	2800	if $x <= 0 && $y <= 0;
2524		2801
2525	$map->load;	2802	$map->load;
2526	$map->load_neighbours;
2527		2803
2528	return unless $self->contr->active;	2804	return unless $self->contr->active;
2529	$self->activate_recursive;
2530		2805
2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2806	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2532	$self->enter_map ($map, $x, $y);	2807	if ($self->enter_map ($map, $x, $y)) {
2533	}	2808	# entering was successful
		2809	delete $self->{_link_recursion};
		2810	# only activate afterwards, to support waiting in hooks
		2811	$self->activate_recursive;
		2812	}
2534		2813
		2814	}
		2815
2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2816	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2536		2817
2537	Moves the player to the given map-path and coordinates by first freezing	2818	Moves the player to the given map-path and coordinates by first freezing
2538	her, loading and preparing them map, calling the provided $check callback	2819	her, loading and preparing them map, calling the provided $check callback
2539	that has to return the map if sucecssful, and then unfreezes the player on	2820	that has to return the map if sucecssful, and then unfreezes the player on
2540	the new (success) or old (failed) map position. In either case, $done will	2821	the new (success) or old (failed) map position. In either case, $done will
2541	be called at the end of this process.	2822	be called at the end of this process.
2542		2823
		2824	Note that $check will be called with a potentially non-loaded map, so if
		2825	it needs a loaded map it has to call C<< ->load >>.
		2826
2543	=cut	2827	=cut
2544		2828
2545	our $GOTOGEN;	2829	our $GOTOGEN;
2546		2830
2547	sub cf::object::player::goto {	2831	sub cf::object::player::goto {
2548	my ($self, $path, $x, $y, $check, $done) = @_;	2832	my ($self, $path, $x, $y, $check, $done) = @_;
		2833
		2834	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2835	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2836	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2837	($path, $x, $y) = @$EMERGENCY_POSITION;
		2838	}
2549		2839
2550	# do generation counting so two concurrent goto's will be executed in-order	2840	# do generation counting so two concurrent goto's will be executed in-order
2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2841	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2552		2842
2553	$self->enter_link;	2843	$self->enter_link;
…		…
2573	($path, $x, $y) = (undef, undef, undef);	2863	($path, $x, $y) = (undef, undef, undef);
2574	}	2864	}
2575	}	2865	}
2576		2866
2577	my $map = eval {	2867	my $map = eval {
2578	my $map = defined $path ? cf::map::find $path : undef;	2868	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2579		2869
2580	if ($map) {	2870	if ($map) {
2581	$map = $map->customise_for ($self);	2871	$map = $map->customise_for ($self);
2582	$map = $check->($map) if $check && $map;	2872	$map = $check->($map, $x, $y, $self) if $check && $map;
2583	} else {	2873	} else {
2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2874	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2585	}	2875	}
2586		2876
2587	$map	2877	$map
…		…
2595	if ($gen == $self->{_goto_generation}) {	2885	if ($gen == $self->{_goto_generation}) {
2596	delete $self->{_goto_generation};	2886	delete $self->{_goto_generation};
2597	$self->leave_link ($map, $x, $y);	2887	$self->leave_link ($map, $x, $y);
2598	}	2888	}
2599		2889
2600	$done->() if $done;	2890	$done->($self) if $done;
2601	})->prio (1);	2891	})->prio (1);
2602	}	2892	}
2603		2893
2604	=item $player_object->enter_exit ($exit_object)	2894	=item $player_object->enter_exit ($exit_object)
2605		2895
…		…
2625	}	2915	}
2626		2916
2627	sub prepare_random_map {	2917	sub prepare_random_map {
2628	my ($exit) = @_;	2918	my ($exit) = @_;
2629		2919
2630	my $guard = cf::lock_acquire "exit_prepare:$exit";
2631
2632	# all this does is basically replace the /! path by	2920	# all this does is basically replace the /! path by
2633	# a new random map path (?random/...) with a seed	2921	# a new random map path (?random/...) with a seed
2634	# that depends on the exit object	2922	# that depends on the exit object
2635		2923
2636	my $rmp = parse_random_map_params $exit->msg;	2924	my $rmp = parse_random_map_params $exit->msg;
…		…
2638	if ($exit->map) {	2926	if ($exit->map) {
2639	$rmp->{region} = $exit->region->name;	2927	$rmp->{region} = $exit->region->name;
2640	$rmp->{origin_map} = $exit->map->path;	2928	$rmp->{origin_map} = $exit->map->path;
2641	$rmp->{origin_x} = $exit->x;	2929	$rmp->{origin_x} = $exit->x;
2642	$rmp->{origin_y} = $exit->y;	2930	$rmp->{origin_y} = $exit->y;
		2931
		2932	$exit->map->touch;
2643	}	2933	}
2644		2934
2645	$rmp->{random_seed} ||= $exit->random_seed;	2935	$rmp->{random_seed} ||= $exit->random_seed;
2646		2936
2647	my $data = cf::encode_json $rmp;	2937	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2648	my $md5 = Digest::MD5::md5_hex $data;	2938	my $md5 = Digest::MD5::md5_hex $data;
2649	my $meta = "$RANDOMDIR/$md5.meta";	2939	my $meta = "$RANDOMDIR/$md5.meta";
2650		2940
2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2652	aio_write $fh, 0, (length $data), $data, 0;	2942	aio_write $fh, 0, (length $data), $data, 0;
2653	undef $fh;	2943	undef $fh;
2654	aio_rename "$meta~", $meta;	2944	aio_rename "$meta~", $meta;
2655		2945
		2946	my $slaying = "?random/$md5";
		2947
		2948	if ($exit->valid) {
2656	$exit->slaying ("?random/$md5");	2949	$exit->slaying ("?random/$md5");
2657	$exit->msg (undef);	2950	$exit->msg (undef);
		2951	}
2658	}	2952	}
2659	}	2953	}
2660		2954
2661	sub cf::object::player::enter_exit {	2955	sub cf::object::player::enter_exit {
2662	my ($self, $exit) = @_;	2956	my ($self, $exit) = @_;
2663		2957
2664	return unless $self->type == cf::PLAYER;	2958	return unless $self->type == cf::PLAYER;
2665		2959
2666	if ($exit->slaying eq "/!") {
2667	#TODO: this should de-fi-ni-te-ly not be a sync-job
2668	# the problem is that $exit might not survive long enough
2669	# so it needs to be done right now, right here
2670	cf::sync_job { prepare_random_map $exit };
2671	}
2672
2673	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2674	my $hp = $exit->stats->hp;
2675	my $sp = $exit->stats->sp;
2676
2677	$self->enter_link;	2960	$self->enter_link;
2678		2961
2679	# if exit is damned, update players death & WoR home-position
2680	$self->contr->savebed ($slaying, $hp, $sp)
2681	if $exit->flag (FLAG_DAMNED);
2682
2683	(async {	2962	(async {
2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2963	$Coro::current->{desc} = "enter_exit";
2685		2964
2686	$self->deactivate_recursive; # just to be sure
2687	unless (eval {	2965	unless (eval {
		2966	$self->deactivate_recursive; # just to be sure
		2967
		2968	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2969	my $x = $exit->stats->hp;
		2970	my $y = $exit->stats->sp;
		2971
		2972	# special map handling
		2973	my $slaying = $exit->slaying;
		2974
		2975	# special map handling
		2976	if ($slaying eq "/!") {
		2977	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2978
		2979	prepare_random_map $exit
		2980	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2981
		2982	$map = $exit->slaying;
		2983
		2984	} elsif ($slaying eq '!up') {
		2985	$map = $exit->map->tile_path (cf::TILE_UP);
		2986	$x = $exit->x;
		2987	$y = $exit->y;
		2988
		2989	} elsif ($slaying eq '!down') {
		2990	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2991	$x = $exit->x;
		2992	$y = $exit->y;
		2993	}
		2994
2688	$self->goto ($slaying, $hp, $sp);	2995	$self->goto ($map, $x, $y);
2689		2996
		2997	# if exit is damned, update players death & WoR home-position
		2998	$self->contr->savebed ($map, $x, $y)
		2999	if $exit->flag (cf::FLAG_DAMNED);
		3000
2690	1;	3001	1
2691	}) {	3002	}) {
2692	$self->message ("Something went wrong deep within the crossfire server. "	3003	$self->message ("Something went wrong deep within the deliantra server. "
2693	. "I'll try to bring you back to the map you were before. "	3004	. "I'll try to bring you back to the map you were before. "
2694	. "Please report this to the dungeon master!",	3005	. "Please report this to the dungeon master!",
2695	cf::NDI_UNIQUE | cf::NDI_RED);	3006	cf::NDI_UNIQUE | cf::NDI_RED);
2696		3007
2697	warn "ERROR in enter_exit: $@";	3008	error "ERROR in enter_exit: $@";
2698	$self->leave_link;	3009	$self->leave_link;
2699	}	3010	}
2700	})->prio (1);	3011	})->prio (1);
2701	}	3012	}
2702		3013
…		…
2714	sub cf::client::send_drawinfo {	3025	sub cf::client::send_drawinfo {
2715	my ($self, $text, $flags) = @_;	3026	my ($self, $text, $flags) = @_;
2716		3027
2717	utf8::encode $text;	3028	utf8::encode $text;
2718	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3029	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3030	}
		3031
		3032	=item $client->send_big_packet ($pkt)
		3033
		3034	Like C<send_packet>, but tries to compress large packets, and fragments
		3035	them as required.
		3036
		3037	=cut
		3038
		3039	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3040
		3041	sub cf::client::send_big_packet {
		3042	my ($self, $pkt) = @_;
		3043
		3044	# try lzf for large packets
		3045	$pkt = "lzf " . Compress::LZF::compress $pkt
		3046	if 1024 <= length $pkt and $self->{can_lzf};
		3047
		3048	# split very large packets
		3049	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3050	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3051	$pkt = "frag";
		3052	}
		3053
		3054	$self->send_packet ($pkt);
2719	}	3055	}
2720		3056
2721	=item $client->send_msg ($channel, $msg, $color, [extra...])	3057	=item $client->send_msg ($channel, $msg, $color, [extra...])
2722		3058
2723	Send a drawinfo or msg packet to the client, formatting the msg for the	3059	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2727		3063
2728	=cut	3064	=cut
2729		3065
2730	# non-persistent channels (usually the info channel)	3066	# non-persistent channels (usually the info channel)
2731	our %CHANNEL = (	3067	our %CHANNEL = (
		3068	"c/motd" => {
		3069	id => "infobox",
		3070	title => "MOTD",
		3071	reply => undef,
		3072	tooltip => "The message of the day",
		3073	},
2732	"c/identify" => {	3074	"c/identify" => {
2733	id => "infobox",	3075	id => "infobox",
2734	title => "Identify",	3076	title => "Identify",
2735	reply => undef,	3077	reply => undef,
2736	tooltip => "Items recently identified",	3078	tooltip => "Items recently identified",
…		…
2738	"c/examine" => {	3080	"c/examine" => {
2739	id => "infobox",	3081	id => "infobox",
2740	title => "Examine",	3082	title => "Examine",
2741	reply => undef,	3083	reply => undef,
2742	tooltip => "Signs and other items you examined",	3084	tooltip => "Signs and other items you examined",
		3085	},
		3086	"c/shopinfo" => {
		3087	id => "infobox",
		3088	title => "Shop Info",
		3089	reply => undef,
		3090	tooltip => "What your bargaining skill tells you about the shop",
2743	},	3091	},
2744	"c/book" => {	3092	"c/book" => {
2745	id => "infobox",	3093	id => "infobox",
2746	title => "Book",	3094	title => "Book",
2747	reply => undef,	3095	reply => undef,
…		…
2763	id => "infobox",	3111	id => "infobox",
2764	title => "Body Parts",	3112	title => "Body Parts",
2765	reply => undef,	3113	reply => undef,
2766	tooltip => "Shows which body parts you posess and are available",	3114	tooltip => "Shows which body parts you posess and are available",
2767	},	3115	},
		3116	"c/statistics" => {
		3117	id => "infobox",
		3118	title => "Statistics",
		3119	reply => undef,
		3120	tooltip => "Shows your primary statistics",
		3121	},
		3122	"c/skills" => {
		3123	id => "infobox",
		3124	title => "Skills",
		3125	reply => undef,
		3126	tooltip => "Shows your experience per skill and item power",
		3127	},
		3128	"c/shopitems" => {
		3129	id => "infobox",
		3130	title => "Shop Items",
		3131	reply => undef,
		3132	tooltip => "Shows the items currently for sale in this shop",
		3133	},
		3134	"c/resistances" => {
		3135	id => "infobox",
		3136	title => "Resistances",
		3137	reply => undef,
		3138	tooltip => "Shows your resistances",
		3139	},
		3140	"c/pets" => {
		3141	id => "infobox",
		3142	title => "Pets",
		3143	reply => undef,
		3144	tooltip => "Shows information abotu your pets/a specific pet",
		3145	},
		3146	"c/perceiveself" => {
		3147	id => "infobox",
		3148	title => "Perceive Self",
		3149	reply => undef,
		3150	tooltip => "You gained detailed knowledge about yourself",
		3151	},
2768	"c/uptime" => {	3152	"c/uptime" => {
2769	id => "infobox",	3153	id => "infobox",
2770	title => "Uptime",	3154	title => "Uptime",
2771	reply => undef,	3155	reply => undef,
2772	tooltip => "How long the server has been running since last restart",	3156	tooltip => "How long the server has been running since last restart",
…		…
2775	id => "infobox",	3159	id => "infobox",
2776	title => "Map Info",	3160	title => "Map Info",
2777	reply => undef,	3161	reply => undef,
2778	tooltip => "Information related to the maps",	3162	tooltip => "Information related to the maps",
2779	},	3163	},
		3164	"c/party" => {
		3165	id => "party",
		3166	title => "Party",
		3167	reply => "gsay ",
		3168	tooltip => "Messages and chat related to your party",
		3169	},
		3170	"c/death" => {
		3171	id => "death",
		3172	title => "Death",
		3173	reply => undef,
		3174	tooltip => "Reason for and more info about your most recent death",
		3175	},
		3176	"c/say" => $SAY_CHANNEL,
		3177	"c/chat" => $CHAT_CHANNEL,
2780	);	3178	);
2781		3179
2782	sub cf::client::send_msg {	3180	sub cf::client::send_msg {
2783	my ($self, $channel, $msg, $color, @extra) = @_;	3181	my ($self, $channel, $msg, $color, @extra) = @_;
2784		3182
2785	$msg = $self->pl->expand_cfpod ($msg);	3183	$msg = $self->pl->expand_cfpod ($msg)
		3184	unless $color & cf::NDI_VERBATIM;
2786		3185
2787	$color &= cf::NDI_CLIENT_MASK; # just in case...	3186	$color &= cf::NDI_CLIENT_MASK; # just in case...
2788		3187
2789	# check predefined channels, for the benefit of C	3188	# check predefined channels, for the benefit of C
2790	if ($CHANNEL{$channel}) {	3189	if ($CHANNEL{$channel}) {
2791	$channel = $CHANNEL{$channel};	3190	$channel = $CHANNEL{$channel};
2792		3191
2793	$self->ext_msg (channel_info => $channel)	3192	$self->ext_msg (channel_info => $channel);
2794	if $self->can_msg;
2795
2796	$channel = $channel->{id};	3193	$channel = $channel->{id};
2797		3194
2798	} elsif (ref $channel) {	3195	} elsif (ref $channel) {
2799	# send meta info to client, if not yet sent	3196	# send meta info to client, if not yet sent
2800	unless (exists $self->{channel}{$channel->{id}}) {	3197	unless (exists $self->{channel}{$channel->{id}}) {
2801	$self->{channel}{$channel->{id}} = $channel;	3198	$self->{channel}{$channel->{id}} = $channel;
2802	$self->ext_msg (channel_info => $channel)	3199	$self->ext_msg (channel_info => $channel);
2803	if $self->can_msg;
2804	}	3200	}
2805		3201
2806	$channel = $channel->{id};	3202	$channel = $channel->{id};
2807	}	3203	}
2808		3204
2809	return unless @extra || length $msg;	3205	return unless @extra || length $msg;
2810		3206
2811	if ($self->can_msg) {
2812	# default colour, mask it out	3207	# default colour, mask it out
2813	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3208	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2814	if $color & cf::NDI_DEF;	3209	if $color & cf::NDI_DEF;
2815		3210
2816	$self->send_packet ("msg " . $self->{json_coder}->encode (	3211	my $pkt = "msg "
		3212	. $self->{json_coder}->encode (
2817	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3213	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2818	} else {	3214	);
2819	if ($color >= 0) {
2820	# replace some tags by gcfclient-compatible ones
2821	for ($msg) {
2822	1 while
2823	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2824	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2825	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2826	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2827	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2828	}
2829		3215
2830	$color &= cf::NDI_COLOR_MASK;	3216	$self->send_big_packet ($pkt);
2831
2832	utf8::encode $msg;
2833
2834	if (0 && $msg =~ /\[/) {
2835	# COMMAND/INFO
2836	$self->send_packet ("drawextinfo $color 10 8 $msg")
2837	} else {
2838	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2839	$self->send_packet ("drawinfo $color $msg")
2840	}
2841	}
2842	}
2843	}	3217	}
2844		3218
2845	=item $client->ext_msg ($type, @msg)	3219	=item $client->ext_msg ($type, @msg)
2846		3220
2847	Sends an ext event to the client.	3221	Sends an ext event to the client.
…		…
2849	=cut	3223	=cut
2850		3224
2851	sub cf::client::ext_msg($$@) {	3225	sub cf::client::ext_msg($$@) {
2852	my ($self, $type, @msg) = @_;	3226	my ($self, $type, @msg) = @_;
2853		3227
2854	if ($self->extcmd == 2) {
2855	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3228	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2856	} elsif ($self->extcmd == 1) { # TODO: remove
2857	push @msg, msgtype => "event_$type";
2858	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2859	}
2860	}
2861
2862	=item $client->ext_reply ($msgid, @msg)
2863
2864	Sends an ext reply to the client.
2865
2866	=cut
2867
2868	sub cf::client::ext_reply($$@) {
2869	my ($self, $id, @msg) = @_;
2870
2871	if ($self->extcmd == 2) {
2872	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2873	} elsif ($self->extcmd == 1) {
2874	#TODO: version 1, remove
2875	unshift @msg, msgtype => "reply", msgid => $id;
2876	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2877	}
2878	}	3229	}
2879		3230
2880	=item $success = $client->query ($flags, "text", \&cb)	3231	=item $success = $client->query ($flags, "text", \&cb)
2881		3232
2882	Queues a query to the client, calling the given callback with	3233	Queues a query to the client, calling the given callback with
…		…
2937	my ($ns, $buf) = @_;	3288	my ($ns, $buf) = @_;
2938		3289
2939	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3290	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2940		3291
2941	if (ref $msg) {	3292	if (ref $msg) {
2942	my ($type, $reply, @payload) =	3293	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2943	"ARRAY" eq ref $msg
2944	? @$msg
2945	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2946		3294
2947	my @reply;	3295	my @reply;
2948		3296
2949	if (my $cb = $EXTICMD{$type}) {	3297	if (my $cb = $EXTICMD{$type}) {
2950	@reply = $cb->($ns, @payload);	3298	@reply = $cb->($ns, @payload);
2951	}	3299	}
2952		3300
2953	$ns->ext_reply ($reply, @reply)	3301	$ns->ext_msg ("reply-$reply", @reply)
2954	if $reply;	3302	if $reply;
2955		3303
2956	} else {	3304	} else {
2957	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3305	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2958	}	3306	}
2959		3307
2960	cf::override;	3308	cf::override;
2961	},	3309	},
2962	);	3310	);
…		…
2982		3330
2983	$coro	3331	$coro
2984	}	3332	}
2985		3333
2986	cf::client->attach (	3334	cf::client->attach (
2987	on_destroy => sub {	3335	on_client_destroy => sub {
2988	my ($ns) = @_;	3336	my ($ns) = @_;
2989		3337
2990	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3338	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2991	},	3339	},
2992	);	3340	);
…		…
3008	our $safe_hole = new Safe::Hole;	3356	our $safe_hole = new Safe::Hole;
3009		3357
3010	$SIG{FPE} = 'IGNORE';	3358	$SIG{FPE} = 'IGNORE';
3011		3359
3012	$safe->permit_only (Opcode::opset qw(	3360	$safe->permit_only (Opcode::opset qw(
3013	:base_core :base_mem :base_orig :base_math	3361	:base_core :base_mem :base_orig :base_math :base_loop
3014	grepstart grepwhile mapstart mapwhile	3362	grepstart grepwhile mapstart mapwhile
3015	sort time	3363	sort time
3016	));	3364	));
3017		3365
3018	# here we export the classes and methods available to script code	3366	# here we export the classes and methods available to script code
…		…
3021		3369
3022	The following functions and methods are available within a safe environment:	3370	The following functions and methods are available within a safe environment:
3023		3371
3024	cf::object	3372	cf::object
3025	contr pay_amount pay_player map x y force_find force_add destroy	3373	contr pay_amount pay_player map x y force_find force_add destroy
3026	insert remove name archname title slaying race decrease_ob_nr	3374	insert remove name archname title slaying race decrease split
		3375	value
3027		3376
3028	cf::object::player	3377	cf::object::player
3029	player	3378	player
3030		3379
3031	cf::player	3380	cf::player
…		…
3036		3385
3037	=cut	3386	=cut
3038		3387
3039	for (	3388	for (
3040	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3389	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3041	insert remove inv name archname title slaying race	3390	insert remove inv nrof name archname title slaying race
3042	decrease_ob_nr destroy)],	3391	decrease split destroy change_exp value msg lore send_msg)],
3043	["cf::object::player" => qw(player)],	3392	["cf::object::player" => qw(player)],
3044	["cf::player" => qw(peaceful)],	3393	["cf::player" => qw(peaceful send_msg)],
3045	["cf::map" => qw(trigger)],	3394	["cf::map" => qw(trigger)],
3046	) {	3395	) {
3047	no strict 'refs';
3048	my ($pkg, @funs) = @$_;	3396	my ($pkg, @funs) = @$_;
3049	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3397	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3050	for @funs;	3398	for @funs;
3051	}	3399	}
3052		3400
…		…
3067		3415
3068	my $qcode = $code;	3416	my $qcode = $code;
3069	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3417	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3070	$qcode =~ s/\n/\\n/g;	3418	$qcode =~ s/\n/\\n/g;
3071		3419
		3420	%vars = (_dummy => 0) unless %vars;
		3421
		3422	my @res;
3072	local $_;	3423	local $_;
3073	local @safe::cf::_safe_eval_args = values %vars;
3074		3424
3075	my $eval =	3425	my $eval =
3076	"do {\n"	3426	"do {\n"
3077	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3427	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3078	. "#line 0 \"{$qcode}\"\n"	3428	. "#line 0 \"{$qcode}\"\n"
3079	. $code	3429	. $code
3080	. "\n}"	3430	. "\n}"
3081	;	3431	;
3082		3432
		3433	if ($CFG{safe_eval}) {
3083	sub_generation_inc;	3434	sub_generation_inc;
		3435	local @safe::cf::_safe_eval_args = values %vars;
3084	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3436	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3085	sub_generation_inc;	3437	sub_generation_inc;
		3438	} else {
		3439	local @cf::_safe_eval_args = values %vars;
		3440	@res = wantarray ? eval eval : scalar eval $eval;
		3441	}
3086		3442
3087	if ($@) {	3443	if ($@) {
3088	warn "$@";	3444	warn "$@",
3089	warn "while executing safe code '$code'\n";	3445	"while executing safe code '$code'\n",
3090	warn "with arguments " . (join " ", %vars) . "\n";	3446	"with arguments " . (join " ", %vars) . "\n";
3091	}	3447	}
3092		3448
3093	wantarray ? @res : $res[0]	3449	wantarray ? @res : $res[0]
3094	}	3450	}
3095		3451
…		…
3109	=cut	3465	=cut
3110		3466
3111	sub register_script_function {	3467	sub register_script_function {
3112	my ($fun, $cb) = @_;	3468	my ($fun, $cb) = @_;
3113		3469
3114	no strict 'refs';	3470	$fun = "safe::$fun" if $CFG{safe_eval};
3115	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3471	*$fun = $safe_hole->wrap ($cb);
3116	}	3472	}
3117		3473
3118	=back	3474	=back
3119		3475
3120	=cut	3476	=cut
3121		3477
3122	#############################################################################	3478	#############################################################################
3123	# the server's init and main functions	3479	# the server's init and main functions
		3480
		3481	our %FACEHASH; # hash => idx, #d# HACK for http server
		3482
		3483	# internal api, not fianlised
		3484	sub add_face {
		3485	my ($name, $type, $data) = @_;
		3486
		3487	my $idx = cf::face::find $name;
		3488
		3489	if ($idx) {
		3490	delete $FACEHASH{cf::face::get_chksum $idx};
		3491	} else {
		3492	$idx = cf::face::alloc $name;
		3493	}
		3494
		3495	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3496
		3497	cf::face::set_type $idx, $type;
		3498	cf::face::set_data $idx, 0, $data, $hash;
		3499	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3500	$FACEHASH{$hash} = $idx;#d#
		3501
		3502	$idx
		3503	}
3124		3504
3125	sub load_facedata($) {	3505	sub load_facedata($) {
3126	my ($path) = @_;	3506	my ($path) = @_;
3127		3507
3128	# HACK to clear player env face cache, we need some signal framework	3508	# HACK to clear player env face cache, we need some signal framework
3129	# for this (global event?)	3509	# for this (global event?)
3130	%ext::player_env::MUSIC_FACE_CACHE = ();	3510	%ext::player_env::MUSIC_FACE_CACHE = ();
3131		3511
3132	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3512	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3133		3513
3134	warn "loading facedata from $path\n";	3514	trace "loading facedata from $path\n";
3135		3515
3136	my $facedata;	3516	my $facedata = decode_storable load_file $path;
3137	0 < aio_load $path, $facedata
3138	or die "$path: $!";
3139
3140	$facedata = Coro::Storable::thaw $facedata;
3141		3517
3142	$facedata->{version} == 2	3518	$facedata->{version} == 2
3143	or cf::cleanup "$path: version mismatch, cannot proceed.";	3519	or cf::cleanup "$path: version mismatch, cannot proceed.";
3144		3520
3145	# patch in the exptable
3146	$facedata->{resource}{"res/exp_table"} = {
3147	type => FT_RSRC,
3148	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3149	};
3150	cf::cede_to_tick;	3521	cf::cede_to_tick;
3151		3522
3152	{	3523	{
3153	my $faces = $facedata->{faceinfo};	3524	my $faces = $facedata->{faceinfo};
3154		3525
3155	while (my ($face, $info) = each %$faces) {	3526	for my $face (sort keys %$faces) {
		3527	my $info = $faces->{$face};
3156	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3528	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3157		3529
3158	cf::face::set_visibility $idx, $info->{visibility};	3530	cf::face::set_visibility $idx, $info->{visibility};
3159	cf::face::set_magicmap $idx, $info->{magicmap};	3531	cf::face::set_magicmap $idx, $info->{magicmap};
3160	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3532	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3161	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3533	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3534	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3535	$FACEHASH{$info->{hash64}} = $idx;#d#
3162		3536
3163	cf::cede_to_tick;	3537	cf::cede_to_tick;
3164	}	3538	}
3165		3539
3166	while (my ($face, $info) = each %$faces) {	3540	while (my ($face, $info) = each %$faces) {
…		…
3171		3545
3172	if (my $smooth = cf::face::find $info->{smooth}) {	3546	if (my $smooth = cf::face::find $info->{smooth}) {
3173	cf::face::set_smooth $idx, $smooth;	3547	cf::face::set_smooth $idx, $smooth;
3174	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3548	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3175	} else {	3549	} else {
3176	warn "smooth face '$info->{smooth}' not found for face '$face'";	3550	error "smooth face '$info->{smooth}' not found for face '$face'";
3177	}	3551	}
3178		3552
3179	cf::cede_to_tick;	3553	cf::cede_to_tick;
3180	}	3554	}
3181	}	3555	}
…		…
3190		3564
3191	cf::anim::invalidate_all; # d'oh	3565	cf::anim::invalidate_all; # d'oh
3192	}	3566	}
3193		3567
3194	{	3568	{
3195	# TODO: for gcfclient pleasure, we should give resources
3196	# that gcfclient doesn't grok a >10000 face index.
3197	my $res = $facedata->{resource};	3569	my $res = $facedata->{resource};
3198		3570
3199	while (my ($name, $info) = each %$res) {	3571	while (my ($name, $info) = each %$res) {
3200	if (defined $info->{type}) {	3572	if (defined (my $type = $info->{type})) {
		3573	# TODO: different hash - must free and use new index, or cache ixface data queue
3201	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3574	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3202	my $data;
3203		3575
3204	if ($info->{type} & 1) {
3205	# prepend meta info
3206
3207	my $meta = $enc->encode ({
3208	name => $name,
3209	%{ $info->{meta} || {} },
3210	});
3211
3212	$data = pack "(w/a*)*", $meta, $info->{data};
3213	} else {
3214	$data = $info->{data};
3215	}
3216
3217	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3218	cf::face::set_type $idx, $info->{type};	3576	cf::face::set_type $idx, $type;
		3577	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3578	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3579	$FACEHASH{$info->{hash}} = $idx;#d#
3219	} else {	3580	} else {
3220	$RESOURCE{$name} = $info;	3581	# $RESOURCE{$name} = $info; # unused
3221	}	3582	}
3222		3583
3223	cf::cede_to_tick;	3584	cf::cede_to_tick;
3224	}	3585	}
3225	}	3586	}
3226		3587
3227	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3588	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3228		3589
3229	1	3590	1
3230	}	3591	}
3231
3232	cf::global->attach (on_resource_update => sub {
3233	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3234	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3235
3236	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3237	my $sound = $soundconf->{compat}[$_]
3238	or next;
3239
3240	my $face = cf::face::find "sound/$sound->[1]";
3241	cf::sound::set $sound->[0] => $face;
3242	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3243	}
3244
3245	while (my ($k, $v) = each %{$soundconf->{event}}) {
3246	my $face = cf::face::find "sound/$v";
3247	cf::sound::set $k => $face;
3248	}
3249	}
3250	});
3251		3592
3252	register_exticmd fx_want => sub {	3593	register_exticmd fx_want => sub {
3253	my ($ns, $want) = @_;	3594	my ($ns, $want) = @_;
3254		3595
3255	while (my ($k, $v) = each %$want) {	3596	while (my ($k, $v) = each %$want) {
3256	$ns->fx_want ($k, $v);	3597	$ns->fx_want ($k, $v);
3257	}	3598	}
3258	};	3599	};
		3600
		3601	sub load_resource_file($) {
		3602	my $guard = lock_acquire "load_resource_file";
		3603
		3604	my $status = load_resource_file_ $_[0];
		3605	get_slot 0.1, 100;
		3606	cf::arch::commit_load;
		3607
		3608	$status
		3609	}
		3610
		3611	sub reload_exp_table {
		3612	_reload_exp_table;
		3613
		3614	add_face "res/exp_table" => FT_RSRC,
		3615	JSON::XS->new->utf8->canonical->encode (
		3616	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3617	);
		3618	}
		3619
		3620	sub reload_materials {
		3621	_reload_materials;
		3622	}
3259		3623
3260	sub reload_regions {	3624	sub reload_regions {
3261	# HACK to clear player env face cache, we need some signal framework	3625	# HACK to clear player env face cache, we need some signal framework
3262	# for this (global event?)	3626	# for this (global event?)
3263	%ext::player_env::MUSIC_FACE_CACHE = ();	3627	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3277	}	3641	}
3278		3642
3279	sub reload_archetypes {	3643	sub reload_archetypes {
3280	load_resource_file "$DATADIR/archetypes"	3644	load_resource_file "$DATADIR/archetypes"
3281	or die "unable to load archetypes\n";	3645	or die "unable to load archetypes\n";
3282	#d# NEED to laod twice to resolve forward references	3646
3283	# this really needs to be done in an extra post-pass	3647	add_face "res/skill_info" => FT_RSRC,
3284	# (which needs to be synchronous, so solve it differently)	3648	JSON::XS->new->utf8->canonical->encode (
3285	load_resource_file "$DATADIR/archetypes"	3649	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
3286	or die "unable to load archetypes\n";	3650	);
		3651	add_face "res/spell_paths" => FT_RSRC,
		3652	JSON::XS->new->utf8->canonical->encode (
		3653	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3654	);
3287	}	3655	}
3288		3656
3289	sub reload_treasures {	3657	sub reload_treasures {
3290	load_resource_file "$DATADIR/treasures"	3658	load_resource_file "$DATADIR/treasures"
3291	or die "unable to load treasurelists\n";	3659	or die "unable to load treasurelists\n";
3292	}	3660	}
3293		3661
		3662	sub reload_sound {
		3663	trace "loading sound config from $DATADIR/sound\n";
		3664
		3665	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3666
		3667	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3668	my $sound = $soundconf->{compat}[$_]
		3669	or next;
		3670
		3671	my $face = cf::face::find "sound/$sound->[1]";
		3672	cf::sound::set $sound->[0] => $face;
		3673	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3674	}
		3675
		3676	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3677	my $face = cf::face::find "sound/$v";
		3678	cf::sound::set $k => $face;
		3679	}
		3680	}
		3681
		3682	#d# move docstuff to help or so
		3683	our %DOCSTRING;
		3684
		3685	sub reload_pod {
		3686	trace "loading pods $PODDIR\n";
		3687
		3688	%DOCSTRING = ();
		3689	my @command_list;
		3690
		3691	for (
		3692	[0, "command_help"],
		3693	[1, "emote_help"],
		3694	[2, "dmcommand_help"],
		3695	) {
		3696	my ($type, $path) = @$_;
		3697
		3698	my $paragraphs = &cf::pod::load_pod ("$PODDIR/$path.pod")
		3699	or die "unable to load $path";
		3700
		3701	my $level = 1e9;
		3702	my $rpar;
		3703
		3704	for my $par (@$paragraphs) {
		3705	if ($par->{type} eq "head2") {
		3706	# this code taken almost verbatim from DC/Protocol.pm
		3707
		3708	if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
		3709	my $cmd = $1;
		3710	my @args = split /\|/, $2;
		3711	@args = (".*") unless @args;
		3712
		3713	$_ = $_ eq ".*" ? "" : " $_"
		3714	for @args;
		3715
		3716	my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
		3717
		3718	$rpar = \($DOCSTRING{"command/$cmd"} = &cf::pod::as_cfpod ([$par]));
		3719
		3720	push @command_list, [$type, \@variants];
		3721	$level = $par->{level};
		3722	} else {
		3723	error "$par->{markup}: unparsable command heading";
		3724	}
		3725	} elsif ($par->{level} > $level) {
		3726	$$rpar .= &cf::pod::as_cfpod ([$par]);
		3727	}
		3728
		3729	cf::cede_to_tick;
		3730	}
		3731	}
		3732
		3733	@command_list = sort {
		3734	$a->[0] <=> $b->[0]
		3735	or $a->[1] cmp $b->[1]
		3736	} @command_list;
		3737
		3738	cf::cede_to_tick;
		3739
		3740	add_face "res/command_list" => FT_RSRC,
		3741	JSON::XS->new->utf8->encode (\@command_list);
		3742	}
		3743
3294	sub reload_resources {	3744	sub reload_resources {
3295	warn "reloading resource files...\n";	3745	trace "reloading resource files...\n";
3296		3746
		3747	reload_materials;
		3748	reload_facedata;
		3749	reload_exp_table;
		3750	reload_sound;
		3751	reload_archetypes;
3297	reload_regions;	3752	reload_regions;
3298	reload_facedata;
3299	#reload_archetypes;#d#
3300	reload_archetypes;
3301	reload_treasures;	3753	reload_treasures;
		3754	reload_pod;
3302		3755
3303	warn "finished reloading resource files\n";	3756	trace "finished reloading resource files\n";
3304	}
3305
3306	sub init {
3307	reload_resources;
3308	}	3757	}
3309		3758
3310	sub reload_config {	3759	sub reload_config {
3311	open my $fh, "<:utf8", "$CONFDIR/config"	3760	trace "reloading config file...\n";
3312	or return;
3313		3761
3314	local $/;	3762	my $config = load_file "$CONFDIR/config";
3315	*CFG = YAML::Load <$fh>;	3763	utf8::decode $config;
		3764	*CFG = decode_yaml $config;
3316		3765
3317	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3766	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3318		3767
3319	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3768	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3320	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3769	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3321		3770
3322	if (exists $CFG{mlockall}) {	3771	if (exists $CFG{mlockall}) {
…		…
3326	};	3775	};
3327	warn $@ if $@;	3776	warn $@ if $@;
3328	}	3777	}
3329	}	3778	}
3330		3779
		3780	sub pidfile() {
		3781	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3782	or die "$PIDFILE: $!";
		3783	flock $fh, &Fcntl::LOCK_EX
		3784	or die "$PIDFILE: flock: $!";
		3785	$fh
		3786	}
		3787
		3788	# make sure only one server instance is running at any one time
		3789	sub atomic {
		3790	my $fh = pidfile;
		3791
		3792	my $pid = <$fh>;
		3793	kill 9, $pid if $pid > 0;
		3794
		3795	seek $fh, 0, 0;
		3796	print $fh $$;
		3797	}
		3798
		3799	sub main_loop {
		3800	trace "EV::loop starting\n";
		3801	if (1) {
		3802	EV::loop;
		3803	}
		3804	trace "EV::loop returned\n";
		3805	goto &main_loop unless $REALLY_UNLOOP;
		3806	}
		3807
3331	sub main {	3808	sub main {
		3809	cf::init_globals; # initialise logging
		3810
		3811	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3812	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3813	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3814	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3815
		3816	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3817
3332	# we must not ever block the main coroutine	3818	# we must not ever block the main coroutine
3333	local $Coro::idle = sub {	3819	$Coro::idle = sub {
3334	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3820	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3335	(async {	3821	(async {
3336	$Coro::current->{desc} = "IDLE BUG HANDLER";	3822	$Coro::current->{desc} = "IDLE BUG HANDLER";
3337	EV::loop EV::LOOP_ONESHOT;	3823	EV::loop EV::LOOP_ONESHOT;
3338	})->prio (Coro::PRIO_MAX);	3824	})->prio (Coro::PRIO_MAX);
3339	};	3825	};
3340		3826
		3827	evthread_start IO::AIO::poll_fileno;
		3828
		3829	cf::sync_job {
		3830	cf::incloader::init ();
		3831
		3832	db_init;
		3833
		3834	cf::init_anim;
		3835	cf::init_attackmess;
		3836	cf::init_dynamic;
		3837
		3838	cf::load_settings;
		3839
		3840	reload_resources;
3341	reload_config;	3841	reload_config;
3342	db_init;	3842
		3843	cf::init_uuid;
		3844	cf::init_signals;
		3845	cf::init_skills;
		3846
		3847	cf::init_beforeplay;
		3848
		3849	atomic;
		3850
3343	load_extensions;	3851	load_extensions;
3344		3852
3345	$TICK_WATCHER->start;	3853	utime time, time, $RUNTIMEFILE;
3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3854
3347	EV::loop;	3855	# no (long-running) fork's whatsoever before this point(!)
		3856	use POSIX ();
		3857	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3858
		3859	cf::_post_init 0;
		3860	};
		3861
		3862	cf::object::thawer::errors_are_fatal 0;
		3863	info "parse errors in files are no longer fatal from this point on.\n";
		3864
		3865	AE::postpone {
		3866	undef &main; # free gobs of memory :)
		3867	};
		3868
		3869	goto &main_loop;
3348	}	3870	}
3349		3871
3350	#############################################################################	3872	#############################################################################
3351	# initialisation and cleanup	3873	# initialisation and cleanup
3352		3874
3353	# install some emergency cleanup handlers	3875	# install some emergency cleanup handlers
3354	BEGIN {	3876	BEGIN {
3355	our %SIGWATCHER = ();	3877	our %SIGWATCHER = ();
3356	for my $signal (qw(INT HUP TERM)) {	3878	for my $signal (qw(INT HUP TERM)) {
3357	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3879	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3358	cf::cleanup "SIG$signal";	3880	cf::cleanup "SIG$signal";
3359	};	3881	};
3360	}	3882	}
3361	}	3883	}
3362		3884
3363	sub write_runtime {	3885	sub write_runtime_sync {
3364	my $runtime = "$LOCALDIR/runtime";	3886	my $t0 = AE::time;
3365		3887
3366	# first touch the runtime file to show we are still running:	3888	# first touch the runtime file to show we are still running:
3367	# the fsync below can take a very very long time.	3889	# the fsync below can take a very very long time.
3368		3890
3369	IO::AIO::aio_utime $runtime, undef, undef;	3891	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3370		3892
3371	my $guard = cf::lock_acquire "write_runtime";	3893	my $guard = cf::lock_acquire "write_runtime";
3372		3894
3373	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3895	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3374	or return;	3896	or return;
3375		3897
3376	my $value = $cf::RUNTIME + 90 + 10;	3898	my $value = $cf::RUNTIME + 90 + 10;
3377	# 10 is the runtime save interval, for a monotonic clock	3899	# 10 is the runtime save interval, for a monotonic clock
3378	# 60 allows for the watchdog to kill the server.	3900	# 60 allows for the watchdog to kill the server.
…		…
3388	aio_utime $fh, undef, undef;	3910	aio_utime $fh, undef, undef;
3389		3911
3390	close $fh	3912	close $fh
3391	or return;	3913	or return;
3392		3914
3393	aio_rename "$runtime~", $runtime	3915	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3394	and return;	3916	and return;
3395		3917
3396	warn "runtime file written.\n";	3918	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3397		3919
3398	1	3920	1
		3921	}
		3922
		3923	our $uuid_lock;
		3924	our $uuid_skip;
		3925
		3926	sub write_uuid_sync($) {
		3927	$uuid_skip ||= $_[0];
		3928
		3929	return if $uuid_lock;
		3930	local $uuid_lock = 1;
		3931
		3932	my $uuid = "$LOCALDIR/uuid";
		3933
		3934	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3935	or return;
		3936
		3937	my $value = uuid_seq uuid_cur;
		3938
		3939	unless ($value) {
		3940	info "cowardly refusing to write zero uuid value!\n";
		3941	return;
		3942	}
		3943
		3944	my $value = uuid_str $value + $uuid_skip;
		3945	$uuid_skip = 0;
		3946
		3947	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3948	and return;
		3949
		3950	# always fsync - this file is important
		3951	aio_fsync $fh
		3952	and return;
		3953
		3954	close $fh
		3955	or return;
		3956
		3957	aio_rename "$uuid~", $uuid
		3958	and return;
		3959
		3960	trace "uuid file written ($value).\n";
		3961
		3962	1
		3963
		3964	}
		3965
		3966	sub write_uuid($$) {
		3967	my ($skip, $sync) = @_;
		3968
		3969	$sync ? write_uuid_sync $skip
		3970	: async { write_uuid_sync $skip };
3399	}	3971	}
3400		3972
3401	sub emergency_save() {	3973	sub emergency_save() {
3402	my $freeze_guard = cf::freeze_mainloop;	3974	my $freeze_guard = cf::freeze_mainloop;
3403		3975
3404	warn "enter emergency perl save\n";	3976	info "emergency_perl_save: enter\n";
		3977
		3978	# this is a trade-off: we want to be very quick here, so
		3979	# save all maps without fsync, and later call a global sync
		3980	# (which in turn might be very very slow)
		3981	local $USE_FSYNC = 0;
3405		3982
3406	cf::sync_job {	3983	cf::sync_job {
		3984	cf::write_runtime_sync; # external watchdog should not bark
		3985
3407	# use a peculiar iteration method to avoid tripping on perl	3986	# use a peculiar iteration method to avoid tripping on perl
3408	# refcount bugs in for. also avoids problems with players	3987	# refcount bugs in for. also avoids problems with players
3409	# and maps saved/destroyed asynchronously.	3988	# and maps saved/destroyed asynchronously.
3410	warn "begin emergency player save\n";	3989	info "emergency_perl_save: begin player save\n";
3411	for my $login (keys %cf::PLAYER) {	3990	for my $login (keys %cf::PLAYER) {
3412	my $pl = $cf::PLAYER{$login} or next;	3991	my $pl = $cf::PLAYER{$login} or next;
3413	$pl->valid or next;	3992	$pl->valid or next;
3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3993	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3415	$pl->save;	3994	$pl->save;
3416	}	3995	}
3417	warn "end emergency player save\n";	3996	info "emergency_perl_save: end player save\n";
3418		3997
3419	warn "begin emergency map save\n";	3998	cf::write_runtime_sync; # external watchdog should not bark
		3999
		4000	info "emergency_perl_save: begin map save\n";
3420	for my $path (keys %cf::MAP) {	4001	for my $path (keys %cf::MAP) {
3421	my $map = $cf::MAP{$path} or next;	4002	my $map = $cf::MAP{$path} or next;
3422	$map->valid or next;	4003	$map->valid or next;
3423	$map->save;	4004	$map->save;
3424	}	4005	}
3425	warn "end emergency map save\n";	4006	info "emergency_perl_save: end map save\n";
3426		4007
3427	warn "begin emergency database checkpoint\n";	4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
		4010	info "emergency_perl_save: begin database checkpoint\n";
3428	BDB::db_env_txn_checkpoint $DB_ENV;	4011	BDB::db_env_txn_checkpoint $DB_ENV;
3429	warn "end emergency database checkpoint\n";	4012	info "emergency_perl_save: end database checkpoint\n";
		4013
		4014	info "emergency_perl_save: begin write uuid\n";
		4015	write_uuid_sync 1;
		4016	info "emergency_perl_save: end write uuid\n";
		4017
		4018	cf::write_runtime_sync; # external watchdog should not bark
		4019
		4020	trace "emergency_perl_save: syncing database to disk";
		4021	BDB::db_env_txn_checkpoint $DB_ENV;
		4022
		4023	info "emergency_perl_save: starting sync\n";
		4024	IO::AIO::aio_sync sub {
		4025	info "emergency_perl_save: finished sync\n";
		4026	};
		4027
		4028	cf::write_runtime_sync; # external watchdog should not bark
		4029
		4030	trace "emergency_perl_save: flushing outstanding aio requests";
		4031	while (IO::AIO::nreqs || BDB::nreqs) {
		4032	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4033	}
		4034
		4035	cf::write_runtime_sync; # external watchdog should not bark
3430	};	4036	};
3431		4037
3432	warn "leave emergency perl save\n";	4038	info "emergency_perl_save: leave\n";
3433	}	4039	}
3434		4040
3435	sub post_cleanup {	4041	sub post_cleanup {
3436	my ($make_core) = @_;	4042	my ($make_core) = @_;
3437		4043
		4044	IO::AIO::flush;
		4045
3438	warn Carp::longmess "post_cleanup backtrace"	4046	error Carp::longmess "post_cleanup backtrace"
3439	if $make_core;	4047	if $make_core;
		4048
		4049	my $fh = pidfile;
		4050	unlink $PIDFILE if <$fh> == $$;
		4051	}
		4052
		4053	# a safer delete_package, copied from Symbol
		4054	sub clear_package($) {
		4055	my $pkg = shift;
		4056
		4057	# expand to full symbol table name if needed
		4058	unless ($pkg =~ /^main::.*::$/) {
		4059	$pkg = "main$pkg" if $pkg =~ /^::/;
		4060	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4061	$pkg .= '::' unless $pkg =~ /::$/;
		4062	}
		4063
		4064	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4065	my $stem_symtab = *{$stem}{HASH};
		4066
		4067	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4068	or return;
		4069
		4070	# clear all symbols
		4071	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4072	for my $name (keys %$leaf_symtab) {
		4073	_gv_clear *{"$pkg$name"};
		4074	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4075	}
3440	}	4076	}
3441		4077
3442	sub do_reload_perl() {	4078	sub do_reload_perl() {
3443	# can/must only be called in main	4079	# can/must only be called in main
3444	if ($Coro::current != $Coro::main) {	4080	unless (in_main) {
3445	warn "can only reload from main coroutine";	4081	error "can only reload from main coroutine";
3446	return;	4082	return;
3447	}	4083	}
3448		4084
3449	warn "reloading...";	4085	return if $RELOAD++;
3450		4086
3451	warn "entering sync_job";	4087	my $t1 = AE::time;
3452		4088
		4089	while ($RELOAD) {
		4090	cf::get_slot 0.1, -1, "reload_perl";
		4091	info "perl_reload: reloading...";
		4092
		4093	trace "perl_reload: entering sync_job";
		4094
3453	cf::sync_job {	4095	cf::sync_job {
3454	cf::write_runtime; # external watchdog should not bark
3455	cf::emergency_save;	4096	#cf::emergency_save;
3456	cf::write_runtime; # external watchdog should not bark
3457		4097
3458	warn "syncing database to disk";
3459	BDB::db_env_txn_checkpoint $DB_ENV;
3460
3461	# if anything goes wrong in here, we should simply crash as we already saved
3462
3463	warn "flushing outstanding aio requests";
3464	for (;;) {
3465	BDB::flush;
3466	IO::AIO::flush;
3467	Coro::cede_notself;
3468	last unless IO::AIO::nreqs || BDB::nreqs;
3469	warn "iterate...";
3470	}
3471
3472	++$RELOAD;
3473
3474	warn "cancelling all extension coros";	4098	trace "perl_reload: cancelling all extension coros";
3475	$_->cancel for values %EXT_CORO;	4099	$_->cancel for values %EXT_CORO;
3476	%EXT_CORO = ();	4100	%EXT_CORO = ();
3477		4101
3478	warn "removing commands";	4102	trace "perl_reload: removing commands";
3479	%COMMAND = ();	4103	%COMMAND = ();
3480		4104
3481	warn "removing ext/exti commands";	4105	trace "perl_reload: removing ext/exti commands";
3482	%EXTCMD = ();	4106	%EXTCMD = ();
3483	%EXTICMD = ();	4107	%EXTICMD = ();
3484		4108
3485	warn "unloading/nuking all extensions";	4109	trace "perl_reload: unloading/nuking all extensions";
3486	for my $pkg (@EXTS) {	4110	for my $pkg (@EXTS) {
3487	warn "... unloading $pkg";	4111	trace "... unloading $pkg";
3488		4112
3489	if (my $cb = $pkg->can ("unload")) {	4113	if (my $cb = $pkg->can ("unload")) {
3490	eval {	4114	eval {
3491	$cb->($pkg);	4115	$cb->($pkg);
3492	1	4116	1
3493	} or warn "$pkg unloaded, but with errors: $@";	4117	} or error "$pkg unloaded, but with errors: $@";
		4118	}
		4119
		4120	trace "... clearing $pkg";
		4121	clear_package $pkg;
3494	}	4122	}
3495		4123
3496	warn "... nuking $pkg";
3497	Symbol::delete_package $pkg;
3498	}
3499
3500	warn "unloading all perl modules loaded from $LIBDIR";	4124	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3501	while (my ($k, $v) = each %INC) {	4125	while (my ($k, $v) = each %INC) {
3502	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4126	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3503		4127
3504	warn "... unloading $k";	4128	trace "... unloading $k";
3505	delete $INC{$k};	4129	delete $INC{$k};
3506		4130
3507	$k =~ s/\.pm$//;	4131	$k =~ s/\.pm$//;
3508	$k =~ s/\//::/g;	4132	$k =~ s/\//::/g;
3509		4133
3510	if (my $cb = $k->can ("unload_module")) {	4134	if (my $cb = $k->can ("unload_module")) {
3511	$cb->();	4135	$cb->();
		4136	}
		4137
		4138	clear_package $k;
3512	}	4139	}
3513		4140
3514	Symbol::delete_package $k;
3515	}
3516
3517	warn "getting rid of safe::, as good as possible";	4141	trace "perl_reload: getting rid of safe::, as good as possible";
3518	Symbol::delete_package "safe::$_"	4142	clear_package "safe::$_"
3519	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4143	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3520		4144
3521	warn "unloading cf.pm \"a bit\"";	4145	trace "perl_reload: unloading cf.pm \"a bit\"";
3522	delete $INC{"cf.pm"};	4146	delete $INC{"cf.pm"};
3523	delete $INC{"cf/pod.pm"};	4147	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3524		4148
3525	# don't, removes xs symbols, too,	4149	# don't, removes xs symbols, too,
3526	# and global variables created in xs	4150	# and global variables created in xs
3527	#Symbol::delete_package __PACKAGE__;	4151	#clear_package __PACKAGE__;
3528		4152
3529	warn "unload completed, starting to reload now";	4153	info "perl_reload: unload completed, starting to reload now";
3530		4154
3531	warn "reloading cf.pm";	4155	trace "perl_reload: reloading cf.pm";
3532	require cf;	4156	require cf;
3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4157	cf::_connect_to_perl_1;
3534		4158
3535	warn "loading config and database again";	4159	trace "perl_reload: loading config and database again";
3536	cf::reload_config;	4160	cf::reload_config;
3537		4161
3538	warn "loading extensions";	4162	trace "perl_reload: loading extensions";
3539	cf::load_extensions;	4163	cf::load_extensions;
3540		4164
		4165	if ($REATTACH_ON_RELOAD) {
3541	warn "reattaching attachments to objects/players";	4166	trace "perl_reload: reattaching attachments to objects/players";
3542	_global_reattach; # objects, sockets	4167	_global_reattach; # objects, sockets
3543	warn "reattaching attachments to maps";	4168	trace "perl_reload: reattaching attachments to maps";
3544	reattach $_ for values %MAP;	4169	reattach $_ for values %MAP;
3545	warn "reattaching attachments to players";	4170	trace "perl_reload: reattaching attachments to players";
3546	reattach $_ for values %PLAYER;	4171	reattach $_ for values %PLAYER;
		4172	}
3547		4173
3548	warn "leaving sync_job";	4174	cf::_post_init 1;
3549		4175
		4176	trace "perl_reload: leaving sync_job";
		4177
3550	1	4178	1
3551	} or do {	4179	} or do {
3552	warn $@;	4180	error $@;
3553	warn "error while reloading, exiting.";	4181	cf::cleanup "perl_reload: error, exiting.";
3554	exit 1;	4182	};
		4183
		4184	--$RELOAD;
3555	};	4185	}
3556		4186
3557	warn "reloaded";	4187	$t1 = AE::time - $t1;
		4188	info "perl_reload: completed in ${t1}s\n";
3558	};	4189	};
3559		4190
3560	our $RELOAD_WATCHER; # used only during reload	4191	our $RELOAD_WATCHER; # used only during reload
3561		4192
3562	sub reload_perl() {	4193	sub reload_perl() {
3563	# doing reload synchronously and two reloads happen back-to-back,	4194	# doing reload synchronously and two reloads happen back-to-back,
3564	# coro crashes during coro_state_free->destroy here.	4195	# coro crashes during coro_state_free->destroy here.
3565		4196
		4197	$RELOAD_WATCHER ||= cf::async {
		4198	Coro::AIO::aio_wait cache_extensions;
		4199
3566	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4200	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4201	do_reload_perl;
3567	undef $RELOAD_WATCHER;	4202	undef $RELOAD_WATCHER;
3568	do_reload_perl;	4203	};
3569	};	4204	};
3570	}	4205	}
3571		4206
3572	register_command "reload" => sub {	4207	register_command "reload" => sub {
3573	my ($who, $arg) = @_;	4208	my ($who, $arg) = @_;
…		…
3579	reload_perl;	4214	reload_perl;
3580	};	4215	};
3581	}	4216	}
3582	};	4217	};
3583		4218
3584	unshift @INC, $LIBDIR;	4219	#############################################################################
3585		4220
3586	my $bug_warning = 0;	4221	my $bug_warning = 0;
3587		4222
3588	our @WAIT_FOR_TICK;
3589	our @WAIT_FOR_TICK_BEGIN;
3590
3591	sub wait_for_tick {	4223	sub wait_for_tick() {
3592	return unless $TICK_WATCHER->is_active;	4224	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3593	return if $Coro::current == $Coro::main;
3594		4225
3595	my $signal = new Coro::Signal;	4226	$WAIT_FOR_TICK->wait;
3596	push @WAIT_FOR_TICK, $signal;
3597	$signal->wait;
3598	}	4227	}
3599		4228
3600	sub wait_for_tick_begin {	4229	sub wait_for_tick_begin() {
3601	return unless $TICK_WATCHER->is_active;	4230	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3602	return if $Coro::current == $Coro::main;
3603		4231
3604	my $signal = new Coro::Signal;	4232	my $signal = new Coro::Signal;
3605	push @WAIT_FOR_TICK_BEGIN, $signal;	4233	push @WAIT_FOR_TICK_BEGIN, $signal;
3606	$signal->wait;	4234	$signal->wait;
3607	}	4235	}
3608		4236
3609	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	4237	sub tick {
3610	if ($Coro::current != $Coro::main) {	4238	if ($Coro::current != $Coro::main) {
3611	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4239	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3612	unless ++$bug_warning > 10;	4240	unless ++$bug_warning > 10;
3613	return;	4241	return;
3614	}	4242	}
3615		4243
3616	$NOW = $tick_start = EV::now;	4244	cf::one_tick; # one server iteration
3617		4245
3618	cf::server_tick; # one server iteration	4246	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3619
3620	$RUNTIME += $TICK;
3621	$NEXT_TICK = $_[0]->at;
3622		4247
3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4248	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4249	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3625	Coro::async_pool {	4250	Coro::async_pool {
3626	$Coro::current->{desc} = "runtime saver";	4251	$Coro::current->{desc} = "runtime saver";
3627	write_runtime	4252	write_runtime_sync
3628	or warn "ERROR: unable to write runtime file: $!";	4253	or error "ERROR: unable to write runtime file: $!";
3629	};	4254	};
3630	}	4255	}
3631		4256
3632	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4257	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3633	$sig->send;	4258	$sig->send;
3634	}	4259	}
3635	while (my $sig = shift @WAIT_FOR_TICK) {	4260	$WAIT_FOR_TICK->broadcast;
3636	$sig->send;
3637	}
3638		4261
3639	$LOAD = ($NOW - $tick_start) / $TICK;	4262	$LOAD = ($NOW - $TICK_START) / $TICK;
3640	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4263	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3641		4264
3642	_post_tick;	4265	if (0) {
3643	};	4266	if ($NEXT_TICK) {
3644	$TICK_WATCHER->priority (EV::MAXPRI);	4267	my $jitter = $TICK_START - $NEXT_TICK;
		4268	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4269	debug "jitter $JITTER\n";#d#
		4270	}
		4271	}
		4272	}
3645		4273
3646	{	4274	{
3647	# configure BDB	4275	# configure BDB
		4276	info "initialising database";
3648		4277
3649	BDB::min_parallel 8;	4278	BDB::min_parallel 16;
3650	BDB::max_poll_reqs $TICK * 0.1;	4279	BDB::max_poll_reqs $TICK * 0.1;
3651	$Coro::BDB::WATCHER->priority (1);	4280	#$AnyEvent::BDB::WATCHER->priority (1);
3652		4281
3653	unless ($DB_ENV) {	4282	unless ($DB_ENV) {
3654	$DB_ENV = BDB::db_env_create;	4283	$DB_ENV = BDB::db_env_create;
3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4284	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3656	| BDB::LOG_AUTOREMOVE, 1);	4285	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4286	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4287	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4288	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3659		4289
3660	cf::sync_job {	4290	cf::sync_job {
3661	eval {	4291	eval {
…		…
3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4310	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3681	};	4311	};
3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4312	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4313	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3684	};	4314	};
		4315
		4316	info "database initialised";
3685	}	4317	}
3686		4318
3687	{	4319	{
3688	# configure IO::AIO	4320	# configure IO::AIO
3689		4321
		4322	info "initialising aio";
3690	IO::AIO::min_parallel 8;	4323	IO::AIO::min_parallel 8;
3691	IO::AIO::max_poll_time $TICK * 0.1;	4324	IO::AIO::max_poll_time $TICK * 0.1;
3692	$Coro::AIO::WATCHER->priority (1);	4325	undef $AnyEvent::AIO::WATCHER;
		4326	info "aio initialised";
3693	}	4327	}
3694		4328
3695	my $_log_backtrace;	4329	our $_log_backtrace;
		4330	our $_log_backtrace_last;
3696		4331
3697	sub _log_backtrace {	4332	sub _log_backtrace {
3698	my ($msg, @addr) = @_;	4333	my ($msg, @addr) = @_;
3699		4334
3700	$msg =~ s/\n//;	4335	$msg =~ s/\n$//;
3701		4336
		4337	if ($_log_backtrace_last eq $msg) {
		4338	LOG llevInfo, "[ABT] $msg\n";
		4339	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3702	# limit the # of concurrent backtraces	4340	# limit the # of concurrent backtraces
3703	if ($_log_backtrace < 2) {	4341	} elsif ($_log_backtrace < 2) {
		4342	$_log_backtrace_last = $msg;
3704	++$_log_backtrace;	4343	++$_log_backtrace;
		4344	my $perl_bt = Carp::longmess $msg;
3705	async {	4345	async {
3706	$Coro::current->{desc} = "abt $msg";	4346	$Coro::current->{desc} = "abt $msg";
3707		4347
3708	my @bt = fork_call {	4348	my @bt = fork_call {
3709	@addr = map { sprintf "%x", $_ } @addr;	4349	@addr = map { sprintf "%x", $_ } @addr;
…		…
3720	}	4360	}
3721		4361
3722	@funcs	4362	@funcs
3723	};	4363	};
3724		4364
3725	LOG llevInfo, "[ABT] $msg\n";	4365	LOG llevInfo, "[ABT] $perl_bt\n";
		4366	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3726	LOG llevInfo, "[ABT] $_\n" for @bt;	4367	LOG llevInfo, "[ABT] $_\n" for @bt;
3727	--$_log_backtrace;	4368	--$_log_backtrace;
3728	};	4369	};
3729	} else {	4370	} else {
3730	LOG llevInfo, "[ABT] $msg\n";	4371	LOG llevInfo, "[ABT] $msg\n";
3731	LOG llevInfo, "[ABT] [suppressed]\n";	4372	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3732	}	4373	}
3733	}	4374	}
3734		4375
3735	# load additional modules	4376	# load additional modules
3736	use cf::pod;	4377	require "cf/$_.pm" for @EXTRA_MODULES;
		4378	cf::_connect_to_perl_2;
3737		4379
3738	END { cf::emergency_save }	4380	END { cf::emergency_save }
3739		4381
3740	1	4382	1
3741		4383

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