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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.353 by root, Sun Sep 2 08:43:46 2007 UTC vs.
Revision 1.582 by root, Fri Feb 3 03:01:45 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		135
		136	our $UPTIME; $UPTIME ||= time;
		137	our $RUNTIME = 0;
		138	our $SERVER_TICK = 0;
81	our $NOW;	139	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		140
84	our $BDB_POLL_WATCHER;	141	our (%PLAYER, %PLAYER_LOADING); # all users
85	our $DB_ENV;	142	our (%MAP, %MAP_LOADING ); # all maps
86
87	our %CFG;
88
89	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;
91
92	our %PLAYER; # all users
93	our %MAP; # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
95		144
96	# used to convert map paths into valid unix filenames by replacing / by ∕	145	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		147
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	148	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	149	our $LOADAVG; # same thing, but with alpha-smoothing
		150	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	151	our $TICK_START; # for load detecting purposes
		152
		153	our @POST_INIT;
		154
		155	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		156	our $REALLY_UNLOOP; # never set to true, please :)
		157
		158	our $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
102		160
103	binmode STDOUT;	161	binmode STDOUT;
104	binmode STDERR;	162	binmode STDERR;
105		163
106	# read virtual server time, if available	164	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	166	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
111	}	169	}
		170
		171	eval "sub TICK() { $TICK } 1" or die;
112		172
113	mkdir $_	173	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		175
116	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
117		177
118	sub cf::map::normalise;	178	sub cf::map::normalise;
119		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
120	#############################################################################	184	#############################################################################
121		185
		186	%REFLECT = ();
		187	for (@REFLECT) {
		188	my $reflect = JSON::XS::decode_json $_;
		189	$REFLECT{$reflect->{class}} = $reflect;
		190	}
		191
		192	# this is decidedly evil
		193	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		194
		195	#############################################################################
		196
122	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
123		198
124	=over 4	199	=over 4
125		200
126	=item $cf::UPTIME	201	=item $cf::UPTIME
127		202
128	The timestamp of the server start (so not actually an uptime).	203	The timestamp of the server start (so not actually an "uptime").
		204
		205	=item $cf::SERVER_TICK
		206
		207	An unsigned integer that starts at zero when the server is started and is
		208	incremented on every tick.
		209
		210	=item $cf::NOW
		211
		212	The (real) time of the last (current) server tick - updated before and
		213	after tick processing, so this is useful only as a rough "what time is it
		214	now" estimate.
		215
		216	=item $cf::TICK
		217
		218	The interval between each server tick, in seconds.
129		219
130	=item $cf::RUNTIME	220	=item $cf::RUNTIME
131		221
132	The time this server has run, starts at 0 and is increased by $cf::TICK on	222	The time this server has run, starts at 0 and is increased by $cf::TICK on
133	every server tick.	223	every server tick.
…		…
139	Various directories - "/etc", read-only install directory, perl-library	229	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	231	unique-items directory, player file directory, random maps directory and
142	database environment.	232	database environment.
143		233
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	234	=item $cf::LOADAVG
153		235
154	The current CPU load on the server (alpha-smoothed), as a value between 0	236	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	237	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	238	objects per tick. Healthy values are < 0.5.
…		…
159		241
160	The raw value load value from the last tick.	242	The raw value load value from the last tick.
161		243
162	=item %cf::CFG	244	=item %cf::CFG
163		245
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	246	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	247	from wherever your confdir points to.
166		248
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		250
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$cf::WAIT_FOR_TICK>).
		259
		260	=item $cf::WAIT_FOR_TICK
		261
		262	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		263	variable contains a L<Coro::Signal> that is broadcats after every server
		264	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		265	next server tick.
		266
		267	=cut
		268
		269	sub wait_for_tick();
		270	sub wait_for_tick_begin();
		271
173	=item @cf::INVOKE_RESULTS	272	=item @cf::INVOKE_RESULTS
174		273
175	This array contains the results of the last C<invoke ()> call. When	274	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	275	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	276	that call.
178		277
		278	=item %cf::REFLECT
		279
		280	Contains, for each (C++) class name, a hash reference with information
		281	about object members (methods, scalars, arrays and flags) and other
		282	metadata, which is useful for introspection.
		283
179	=back	284	=back
180		285
181	=cut	286	=cut
182		287
183	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	289	sub warn (@) { LOG llevWarn , join "", @_ }
		290	sub info (@) { LOG llevInfo , join "", @_ }
		291	sub debug(@) { LOG llevDebug, join "", @_ }
		292	sub trace(@) { LOG llevTrace, join "", @_ }
		293
		294	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	295	my $msg = join "", @_;
186		296
187	$msg .= "\n"	297	$msg .= "\n"
188	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
189		299
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	300	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		301
192	utf8::encode $msg;
193	LOG llevError, $msg;	302	LOG llevWarn, $msg;
194	};	303	};
195	}	304
		305	$Coro::State::DIEHOOK = sub {
		306	return unless $^S eq 0; # "eq", not "=="
		307
		308	error Carp::longmess $_[0];
		309
		310	if (in_main) {#d#
		311	error "DIEHOOK called in main context, Coro bug?\n";#d#
		312	return;#d#
		313	}#d#
		314
		315	# kill coroutine otherwise
		316	Coro::terminate
		317	};
196		318
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	329	for my $pkg (qw(
208	cf::global cf::attachable	330	cf::global cf::attachable
209	cf::object cf::object::player	331	cf::object cf::object::player
210	cf::client cf::player	332	cf::client cf::player
211	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
212	cf::map cf::party cf::region	335	cf::party cf::region
213	)) {	336	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	338	}
217		339
218	$Event::DIED = sub {	340	$EV::DIED = sub {
219	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
220	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
221		348
222	#############################################################################	349	#############################################################################
223		350
224	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
225		352
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	374	$d
248	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
249	}	376	}
250		377
		378	=item $scalar = cf::load_file $path
		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($path, $data, $sync) = @_;
		401
		402	my $lock = cf::lock_acquire ("replace_file:$path");
		403
		404	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		405	or return;
		406
		407	$data = $data->() if ref $data;
		408
		409	length $data == aio_write $fh, 0, (length $data), $data, 0
		410	or return;
		411
		412	!$sync
		413	or !aio_fsync $fh
		414	or return;
		415
		416	aio_close $fh
		417	and return;
		418
		419	aio_rename "$path~", $path
		420	and return;
		421
		422	if ($sync) {
		423	$path =~ s%/[^/]*$%%;
		424	aio_pathsync $path;
		425	}
		426
		427	1
		428	}
		429
251	=item $ref = cf::from_json $json	430	=item $ref = cf::decode_json $json
252		431
253	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
254		433
255	=item $json = cf::to_json $ref	434	=item $json = cf::encode_json $ref
256		435
257	Converts a perl data structure into its JSON representation.	436	Converts a perl data structure into its JSON representation.
258		437
259	=cut	438	=cut
260		439
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		441
263	sub to_json ($) { $json_coder->encode ($_[0]) }	442	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	443	sub decode_json($) { $json_coder->decode ($_[0]) }
		444
		445	=item $ref = cf::decode_storable $scalar
		446
		447	Same as Coro::Storable::thaw, so blocks.
		448
		449	=cut
		450
		451	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		452
		453	=item $ref = cf::decode_yaml $scalar
		454
		455	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		456
		457	=cut
		458
		459	sub decode_yaml($) {
		460	fork_call { YAML::XS::Load $_[0] } @_
		461	}
		462
		463	=item $scalar = cf::unlzf $scalar
		464
		465	Same as Compress::LZF::compress, but takes server ticks into account, so
		466	blocks.
		467
		468	=cut
		469
		470	sub unlzf($) {
		471	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		472	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		473	Compress::LZF::decompress $_[0]
		474	}
		475
		476	=item cf::post_init { BLOCK }
		477
		478	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		479	but I<before> the server starts ticking again.
		480
		481	The codeblock will have a single boolean argument to indicate whether this
		482	is a reload or not.
		483
		484	=cut
		485
		486	sub post_init(&) {
		487	push @POST_INIT, shift;
		488	}
		489
		490	sub _post_init {
		491	trace "running post_init jobs";
		492
		493	# run them in parallel...
		494
		495	my @join;
		496
		497	while () {
		498	push @join, map &Coro::async ($_, 0), @POST_INIT;
		499	@POST_INIT = ();
		500
		501	@join or last;
		502
		503	(pop @join)->join;
		504	}
		505	}
265		506
266	=item cf::lock_wait $string	507	=item cf::lock_wait $string
267		508
268	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
269		510
270	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
271		512
272	Wait until the given lock is available and then acquires it and returns	513	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	514	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
275	returned.	516	returned.
276		517
277	Locks are *not* recursive, locking from the same coro twice results in a	518	Locks are *not* recursive, locking from the same coro twice results in a
278	deadlocked coro.	519	deadlocked coro.
…		…
284		525
285	Return true if the lock is currently active, i.e. somebody has locked it.	526	Return true if the lock is currently active, i.e. somebody has locked it.
286		527
287	=cut	528	=cut
288		529
289	our %LOCK;	530	our $LOCKS = new Coro::SemaphoreSet;
290		531
291	sub lock_wait($) {	532	sub lock_wait($) {
292	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
293
294	# wait for lock, if any
295	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;
298	}
299	}	534	}
300		535
301	sub lock_acquire($) {	536	sub lock_acquire($) {
302	my ($key) = @_;	537	$LOCKS->guard ($_[0])
303
304	# wait, to be sure we are not locked
305	lock_wait $key;
306
307	$LOCK{$key} = [];
308
309	Coro::guard {
310	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };
312	}
313	}	538	}
314		539
315	sub lock_active($) {	540	sub lock_active($) {
316	my ($key) = @_;	541	$LOCKS->count ($_[0]) < 1
317
318	! ! $LOCK{$key}
319	}	542	}
320		543
321	sub freeze_mainloop {	544	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
323		546
324	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
325	$TICK_WATCHER->start;	548	}
326	};	549
327	$TICK_WATCHER->stop;	550	=item cf::periodic $interval, $cb
328	$guard	551
		552	Like EV::periodic, but randomly selects a starting point so that the actions
		553	get spread over time.
		554
		555	=cut
		556
		557	sub periodic($$) {
		558	my ($interval, $cb) = @_;
		559
		560	my $start = rand List::Util::min 180, $interval;
		561
		562	EV::periodic $start, $interval, 0, $cb
329	}	563	}
330		564
331	=item cf::get_slot $time[, $priority[, $name]]	565	=item cf::get_slot $time[, $priority[, $name]]
332		566
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	567	Allocate $time seconds of blocking CPU time at priority C<$priority>
334	This call blocks and returns only when you have at least C<$time> seconds	568	(default: 0): This call blocks and returns only when you have at least
335	of cpu time till the next tick. The slot is only valid till the next cede.	569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
336		574
337	The optional C<$name> can be used to identify the job to run. It might be	575	The optional C<$name> can be used to identify the job to run. It might be
338	used for statistical purposes and should identify the same time-class.	576	used for statistical purposes and should identify the same time-class.
339		577
340	Useful for short background jobs.	578	Useful for short background jobs.
341		579
342	=cut	580	=cut
343		581
344	our @SLOT_QUEUE;	582	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
346		585
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	587	$SLOT_QUEUE = Coro::async {
		588	$Coro::current->desc ("timeslot manager");
		589
349	my $signal = new Coro::Signal;	590	my $signal = new Coro::Signal;
		591	my $busy;
350		592
351	while () {	593	while () {
352	next_job:	594	next_job:
		595
353	my $avail = cf::till_tick;	596	my $avail = cf::till_tick;
354	if ($avail > 0.01) {	597
355	for (0 .. $#SLOT_QUEUE) {	598	for (0 .. $#SLOT_QUEUE) {
356	if ($SLOT_QUEUE[$_][0] < $avail) {	599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
357	my $job = splice @SLOT_QUEUE, $_, 1, ();	601	my $job = splice @SLOT_QUEUE, $_, 1, ();
358	$job->[2]->send;	602	$job->[2]->send;
359	Coro::cede;	603	Coro::cede;
360	goto next_job;	604	goto next_job;
361	}	605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
362	}	607	}
363	}	608	}
364		609
365	if (@SLOT_QUEUE) {	610	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	612	$WAIT_FOR_TICK->wait;
368	$signal->wait;
369	} else {	613	} else {
		614	$busy = 0;
370	Coro::schedule;	615	Coro::schedule;
371	}	616	}
372	}	617	}
373	};	618	};
374		619
375	sub get_slot($;$$) {	620	sub get_slot($;$$) {
		621	return if tick_inhibit || $Coro::current == $Coro::main;
		622
376	my ($time, $pri, $name) = @_;	623	my ($time, $pri, $name) = @_;
377		624
378	$time = $TICK * .6 if $time > $TICK * .6;	625	$time = clamp $time, 0.01, $TICK * .6;
		626
379	my $sig = new Coro::Signal;	627	my $sig = new Coro::Signal;
380		628
381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	629	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	630	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
383	$SLOT_QUEUE->ready;	631	$SLOT_QUEUE->ready;
…		…
394		642
395	BEGIN { *async = \&Coro::async_pool }	643	BEGIN { *async = \&Coro::async_pool }
396		644
397	=item cf::sync_job { BLOCK }	645	=item cf::sync_job { BLOCK }
398		646
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	647	The design of Deliantra requires that the main coroutine ($Coro::main)
400	is always able to handle events or runnable, as Crossfire TRT is only	648	is always able to handle events or runnable, as Deliantra is only
401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	649	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	650	acceptable.
403		651
404	If it must be done, put the blocking parts into C<sync_job>. This will run	652	If it must be done, put the blocking parts into C<sync_job>. This will run
405	the given BLOCK in another coroutine while waiting for the result. The	653	the given BLOCK in another coroutine while waiting for the result. The
…		…
409	=cut	657	=cut
410		658
411	sub sync_job(&) {	659	sub sync_job(&) {
412	my ($job) = @_;	660	my ($job) = @_;
413		661
414	if ($Coro::current == $Coro::main) {	662	if (in_main) {
415	my $time = Event::time;	663	my $time = AE::time;
416		664
417	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
419		667
420	# TODO: use suspend/resume instead	668	#LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	669
422	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
423		671
424	my $busy = 1;	672	my $busy = 1;
425	my @res;	673	my @res;
426		674
427	(async {	675	(async {
		676	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	677	@res = eval { $job->() };
429	warn $@ if $@;	678	error $@ if $@;
430	undef $busy;	679	undef $busy;
431	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
432		681
433	while ($busy) {	682	while ($busy) {
434	Coro::cede or Event::one_event;	683	if (Coro::nready) {
		684	Coro::cede_notself;
		685	} else {
		686	EV::loop EV::LOOP_ONESHOT;
435	}	687	}
		688	}
436		689
437	$time = Event::time - $time;	690	my $time = AE::time - $time;
438		691
439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442	$tick_start += $time; # do not account sync jobs to server load	692	$TICK_START += $time; # do not account sync jobs to server load
443		693
444	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
445	} else {	695	} else {
446	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
447		697
…		…
467	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
468		718
469	$coro	719	$coro
470	}	720	}
471		721
472	=item fork_call { }, $args	722	=item fork_call { }, @args
473		723
474	Executes the given code block with the given arguments in a seperate	724	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	725	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	726	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	727	never block itself or use any form of event handling.
478		728
479	=cut	729	=cut
		730
		731	sub post_fork {
		732	reset_signals;
		733	}
480		734
481	sub fork_call(&@) {	735	sub fork_call(&@) {
482	my ($cb, @args) = @_;	736	my ($cb, @args) = @_;
483		737
484	# we seemingly have to make a local copy of the whole thing,	738	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	739	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	740	# TODO: investigate and fix (likely this will be rather laborious)
487		741
488	my @res = Coro::Util::fork_eval {	742	my @res = Coro::Util::fork_eval {
489	reset_signals;	743	cf::post_fork;
490	&$cb	744	&$cb
491	}, @args;	745	} @args;
492		746
493	wantarray ? @res : $res[-1]	747	wantarray ? @res : $res[-1]
		748	}
		749
		750	sub objinfo {
		751	(
		752	"counter value" => cf::object::object_count,
		753	"objects created" => cf::object::create_count,
		754	"objects destroyed" => cf::object::destroy_count,
		755	"freelist size" => cf::object::free_count,
		756	"allocated objects" => cf::object::objects_size,
		757	"active objects" => cf::object::actives_size,
		758	)
		759	}
		760
		761	=item $coin = coin_from_name $name
		762
		763	=cut
		764
		765	our %coin_alias = (
		766	"silver" => "silvercoin",
		767	"silvercoin" => "silvercoin",
		768	"silvercoins" => "silvercoin",
		769	"gold" => "goldcoin",
		770	"goldcoin" => "goldcoin",
		771	"goldcoins" => "goldcoin",
		772	"platinum" => "platinacoin",
		773	"platinumcoin" => "platinacoin",
		774	"platinumcoins" => "platinacoin",
		775	"platina" => "platinacoin",
		776	"platinacoin" => "platinacoin",
		777	"platinacoins" => "platinacoin",
		778	"royalty" => "royalty",
		779	"royalties" => "royalty",
		780	);
		781
		782	sub coin_from_name($) {
		783	$coin_alias{$_[0]}
		784	? cf::arch::find $coin_alias{$_[0]}
		785	: undef
494	}	786	}
495		787
496	=item $value = cf::db_get $family => $key	788	=item $value = cf::db_get $family => $key
497		789
498	Returns a single value from the environment database.	790	Returns a single value from the environment database.
…		…
500	=item cf::db_put $family => $key => $value	792	=item cf::db_put $family => $key => $value
501		793
502	Stores the given C<$value> in the family. It can currently store binary	794	Stores the given C<$value> in the family. It can currently store binary
503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	795	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		796
		797	=item $db = cf::db_table "name"
		798
		799	Create and/or open a new database table. The string must not be "db" and must be unique
		800	within each server.
		801
505	=cut	802	=cut
		803
		804	sub db_table($) {
		805	cf::error "db_get called from main context"
		806	if $Coro::current == $Coro::main;
		807
		808	my ($name) = @_;
		809	my $db = BDB::db_create $DB_ENV;
		810
		811	eval {
		812	$db->set_flags (BDB::CHKSUM);
		813
		814	utf8::encode $name;
		815	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		816	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		817	cf::cleanup "db_open(db): $!" if $!;
		818	};
		819	cf::cleanup "db_open(db): $@" if $@;
		820
		821	$db
		822	}
506		823
507	our $DB;	824	our $DB;
508		825
509	sub db_init {	826	sub db_init {
510	unless ($DB) {	827	$DB ||= db_table "db";
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {
514	eval {
515	$DB->set_flags (BDB::CHKSUM);
516
517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519	cf::cleanup "db_open(db): $!" if $!;
520	};
521	cf::cleanup "db_open(db): $@" if $@;
522	};
523	}
524	}	828	}
525		829
526	sub db_get($$) {	830	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	831	my $key = "$_[0]/$_[1]";
528		832
529	cf::sync_job {	833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
530	BDB::db_get $DB, undef, $key, my $data;	836	BDB::db_get $DB, undef, $key, my $data;
531		837
532	$! ? ()	838	$! ? ()
533	: $data	839	: $data
534	}
535	}	840	}
536		841
537	sub db_put($$$) {	842	sub db_put($$$) {
538	BDB::dbreq_pri 4;	843	BDB::dbreq_pri 4;
539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
567		872
568	my @data;	873	my @data;
569	my $md5;	874	my $md5;
570		875
571	for (0 .. $#$src) {	876	for (0 .. $#$src) {
572	0 <= aio_load $src->[$_], $data[$_]	877	$data[$_] = load_file $src->[$_];
573	or Carp::croak "$src->[$_]: $!";
574	}	878	}
575		879
576	# if processing is expensive, check	880	# if processing is expensive, check
577	# checksum first	881	# checksum first
578	if (1) {	882	if (1) {
…		…
595		899
596	my $t1 = Time::HiRes::time;	900	my $t1 = Time::HiRes::time;
597	my $data = $process->(\@data);	901	my $data = $process->(\@data);
598	my $t2 = Time::HiRes::time;	902	my $t2 = Time::HiRes::time;
599		903
600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
601		905
602	db_put cache => "$id/data", $data;	906	db_put cache => "$id/data", $data;
603	db_put cache => "$id/md5" , $md5;	907	db_put cache => "$id/md5" , $md5;
604	db_put cache => "$id/meta", $meta;	908	db_put cache => "$id/meta", $meta;
605		909
…		…
615		919
616	=cut	920	=cut
617		921
618	sub datalog($@) {	922	sub datalog($@) {
619	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
621	}	925	}
622		926
623	=back	927	=back
624		928
625	=cut	929	=cut
626		930
627	#############################################################################	931	#############################################################################
628		932
629	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
630		934
631	Many objects in crossfire are so-called attachable objects. That means you can	935	Many objects in deliantra are so-called attachable objects. That means you can
632	attach callbacks/event handlers (a collection of which is called an "attachment")	936	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
634		938
635	In the following description, CLASS can be any of C<global>, C<object>	939	In the following description, CLASS can be any of C<global>, C<object>
636	C<player>, C<client> or C<map> (i.e. the attachable objects in	940	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	941	Deliantra).
638		942
639	=over 4	943	=over 4
640		944
641	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
642		946
…		…
686	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
687		991
688	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
689	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
690		994
691	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
692	that are attached at load/instantiate time, thus the need for a name.	996	that are attached at load/instantiate time, thus the need for a name.
693		997
694	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
695		999
696	=over 4	1000	=over 4
…		…
820		1124
821	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
822	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
823		1127
824	} elsif (ref $type) {	1128	} elsif (ref $type) {
825	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
826		1130
827	} else {	1131	} else {
828	shift @arg;	1132	shift @arg;
829	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
830	}	1134	}
831	}	1135	}
832	}	1136	}
833		1137
834	sub _object_attach {	1138	sub _object_attach {
…		…
844	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
845	}	1149	}
846		1150
847	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
848	} else {	1152	} else {
849	warn "object uses attachment '$name' which is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
850	}	1154	}
851		1155
852	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
853	}	1157	}
854		1158
…		…
913		1217
914	for (@$callbacks) {	1218	for (@$callbacks) {
915	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
916		1220
917	if ($@) {	1221	if ($@) {
918	warn "$@";
919	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
920	override;	1223	override;
921	}	1224	}
922		1225
923	return 1 if $override;	1226	return 1 if $override;
924	}	1227	}
925		1228
926	0	1229	0
927	}	1230	}
928		1231
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1233
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1235
933	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
934		1237
…		…
940		1243
941	=cut	1244	=cut
942		1245
943	#############################################################################	1246	#############################################################################
944	# object support	1247	# object support
945	#
946		1248
		1249	sub _object_equal($$);
		1250	sub _object_equal($$) {
		1251	my ($a, $b) = @_;
		1252
		1253	return 0 unless (ref $a) eq (ref $b);
		1254
		1255	if ("HASH" eq ref $a) {
		1256	my @ka = keys %$a;
		1257	my @kb = keys %$b;
		1258
		1259	return 0 if @ka != @kb;
		1260
		1261	for (0 .. $#ka) {
		1262	return 0 unless $ka[$_] eq $kb[$_];
		1263	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1264	}
		1265
		1266	} elsif ("ARRAY" eq ref $a) {
		1267
		1268	return 0 if @$a != @$b;
		1269
		1270	for (0 .. $#$a) {
		1271	return 0 unless _object_equal $a->[$_], $b->[$_];
		1272	}
		1273
		1274	} elsif ($a ne $b) {
		1275	return 0;
		1276	}
		1277
		1278	1
		1279	}
		1280
		1281	our $SLOW_MERGES;#d#
947	sub _can_merge {	1282	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1283	my ($ob1, $ob2) = @_;
949		1284
950	local $Storable::canonical = 1;	1285	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1286
954	$fob1 eq $fob2	1287	# we do the slow way here
		1288	return _object_equal $ob1, $ob2
955	}	1289	}
956		1290
957	sub reattach {	1291	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1293	my ($obj) = @_;
960		1294
		1295	# no longer needed after getting rid of delete_package?
961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1296	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962		1297
963	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
964		1299
965	@$registry = ();	1300	@$registry = ();
966		1301
…		…
971	for (@$attach) {	1306	for (@$attach) {
972	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
973	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
974	}	1309	}
975	} else {	1310	} else {
976	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
977	}	1312	}
978	}	1313	}
979	}	1314	}
980		1315
981	cf::attachable->attach (	1316	cf::attachable->attach (
982	prio => -1000000,	1317	prio => -1000000,
983	on_instantiate => sub {	1318	on_instantiate => sub {
984	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
985		1320
986	$data = from_json $data;	1321	$data = decode_json $data;
987		1322
988	for (@$data) {	1323	for (@$data) {
989	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
990		1325
991	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1342	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
1009		1344
1010	sync_job {	1345	sync_job {
1011	if (length $$rdata) {	1346	if (length $$rdata) {
		1347	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
1014		1351
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	aio_fsync $fh if $cf::USE_FSYNC;	1355	if ($cf::USE_FSYNC) {
		1356	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;
		1357	aio_fsync $fh;
		1358	}
1019	close $fh;	1359	aio_close $fh;
1020		1360
1021	if (@$objs) {	1361	if (@$objs) {
1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1362	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
1026	aio_fsync $fh if $cf::USE_FSYNC;	1366	if ($cf::USE_FSYNC) {
		1367	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;
		1368	aio_fsync $fh;
		1369	}
1027	close $fh;	1370	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1372	}
1030	} else {	1373	} else {
1031	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
1032	}	1375	}
1033		1376
1034	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
1035	} else {	1381	} else {
1036	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
1037	}	1383	}
1038	} else {	1384	} else {
1039	aio_unlink $filename;	1385	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
1041	}	1387	}
1042	}	1388	};
1043	}	1389	}
1044		1390
1045	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
1047		1393
…		…
1059	or return;	1405	or return;
1060		1406
1061	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1409	or return;
		1410
1064	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
1065	}	1413	}
1066		1414
		1415	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
		1419
1069	return ($data, $av);	1420	($data, $av)
1070	}	1421	}
1071		1422
1072	=head2 COMMAND CALLBACKS	1423	=head2 COMMAND CALLBACKS
1073		1424
1074	=over 4	1425	=over 4
…		…
1128	my ($name, $cb) = @_;	1479	my ($name, $cb) = @_;
1129		1480
1130	$EXTICMD{$name} = $cb;	1481	$EXTICMD{$name} = $cb;
1131	}	1482	}
1132		1483
		1484	use File::Glob ();
		1485
1133	cf::player->attach (	1486	cf::player->attach (
1134	on_command => sub {	1487	on_unknown_command => sub {
1135	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
1136		1489
1137	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
1138	or return;	1491	or return;
1139		1492
…		…
1147	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
1148		1501
1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1150		1503
1151	if (ref $msg) {	1504	if (ref $msg) {
1152	my ($type, $reply, @payload) =	1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1153	"ARRAY" eq ref $msg
1154	? @$msg
1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1156		1506
1157	my @reply;	1507	my @reply;
1158		1508
1159	if (my $cb = $EXTCMD{$type}) {	1509	if (my $cb = $EXTCMD{$type}) {
1160	@reply = $cb->($pl, @payload);	1510	@reply = $cb->($pl, @payload);
…		…
1162		1512
1163	$pl->ext_reply ($reply, @reply)	1513	$pl->ext_reply ($reply, @reply)
1164	if $reply;	1514	if $reply;
1165		1515
1166	} else {	1516	} else {
1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1168	}	1518	}
1169		1519
1170	cf::override;	1520	cf::override;
1171	},	1521	},
1172	);	1522	);
1173		1523
		1524	# "readahead" all extensions
		1525	sub cache_extensions {
		1526	my $grp = IO::AIO::aio_group;
		1527
		1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1529	for (grep /\.ext$/, @{$_[0]}) {
		1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1531	}
		1532	};
		1533
		1534	$grp
		1535	}
		1536
		1537	sub _ext_cfg_reg($$$$) {
		1538	my ($rvar, $varname, $cfgname, $default) = @_;
		1539
		1540	$cfgname = lc $varname
		1541	unless length $cfgname;
		1542
		1543	$EXT_CFG{$cfgname} = [$rvar, $default];
		1544
		1545	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1546	}
		1547
1174	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
1175	cf::sync_job {	1553	cf::sync_job {
1176	my %todo;	1554	my %todo;
1177		1555
1178	for my $path (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
1179	next unless -r $path;	1557	next unless -r $path;
…		…
1197		1575
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1578
1201	$ext{source} =	1579	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1580	"package $pkg; use common::sense;\n"
1203	. "#line 1 \"$path\"\n{\n"	1581	. "#line 1 \"$path\"\n{\n"
1204	. $source	1582	. $source
1205	. "\n};\n1";	1583	. "\n};\n1";
1206		1584
1207	$todo{$base} = \%ext;	1585	$todo{$base} = \%ext;
1208	}	1586	}
1209		1587
		1588	my $pass = 0;
1210	my %done;	1589	my %done;
1211	while (%todo) {	1590	while (%todo) {
1212	my $progress;	1591	my $progress;
1213		1592
		1593	++$pass;
		1594
		1595	ext:
1214	while (my ($k, $v) = each %todo) {	1596	while (my ($k, $v) = each %todo) {
1215	for (split /,\s*/, $v->{meta}{depends}) {	1597	for (split /,\s*/, $v->{meta}{depends}) {
1216	goto skip	1598	next ext
1217	unless exists $done{$_};	1599	unless exists $done{$_};
1218	}	1600	}
1219		1601
1220	warn "... loading '$k' into '$v->{pkg}'\n";	1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1221		1603
1222	unless (eval $v->{source}) {	1604	my $source = $v->{source};
		1605
		1606	# support "CONF varname :confname = default" pseudo-statements
		1607	$source =~ s{
		1608	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1609	}{
		1610	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1611	}gmxe;
		1612
		1613	my $active = eval $source;
		1614
		1615	if (length $@) {
1223	my $msg = $@ ? "$v->{path}: $@\n"	1616	error "$v->{path}: $@\n";
1224	: "$v->{base}: extension inactive.\n";
1225		1617
		1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1226	if (exists $v->{meta}{mandatory}) {	1619	if exists $v->{meta}{mandatory};
1227	warn $msg;	1620
1228	warn "mandatory extension failed to load, exiting.\n";	1621	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1229	exit 1;	1622	delete $todo{$k};
1230	}	1623	} else {
1231		1624	$done{$k} = delete $todo{$k};
1232	warn $msg;	1625	push @EXTS, $v->{pkg};
		1626	$progress = 1;
		1627
		1628	info "$v->{base}: extension inactive.\n"
		1629	unless $active;
1233	}	1630	}
1234
1235	$done{$k} = delete $todo{$k};
1236	push @EXTS, $v->{pkg};
1237	$progress = 1;
1238	}	1631	}
1239		1632
1240	skip:	1633	unless ($progress) {
1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1242	unless $progress;	1635
		1636	while (my ($k, $v) = each %todo) {
		1637	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1638	if exists $v->{meta}{mandatory};
		1639	}
		1640
		1641	last;
		1642	}
1243	}	1643	}
1244	};	1644	};
1245	}	1645	}
1246		1646
1247	#############################################################################	1647	#############################################################################
1248		1648
1249	=back	1649	=back
1250		1650
1251	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
1252		1652
1253	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
1254		1654
1255	=cut	1655	=cut
1256		1656
1257	package cf::player;	1657	package cf::player;
1258		1658
1259	use Coro::AIO;	1659	use Coro::AIO;
1260		1660
1261	=head3 cf::player	1661	=head3 cf::player
1262		1662
1263	=over 4	1663	=over 4
		1664
		1665	=item cf::player::num_playing
		1666
		1667	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1668
		1669	=cut
		1670
		1671	sub num_playing {
		1672	scalar grep
		1673	$_->ob->map
		1674	&& !$_->hidden
		1675	&& !$_->ob->flag (cf::FLAG_WIZ),
		1676	cf::player::list
		1677	}
1264		1678
1265	=item cf::player::find $login	1679	=item cf::player::find $login
1266		1680
1267	Returns the given player object, loading it if necessary (might block).	1681	Returns the given player object, loading it if necessary (might block).
1268		1682
…		…
1287		1701
1288	sub exists($) {	1702	sub exists($) {
1289	my ($login) = @_;	1703	my ($login) = @_;
1290		1704
1291	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1292	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1293	}	1707	}
1294		1708
1295	sub find($) {	1709	sub find($) {
1296	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1297	my $login = $_[0];	1711	my $login = $_[0];
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1718	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1719	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1720	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1721	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1722
1309	my $pl = load_pl path $login	1723	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1724	or return;
		1725
		1726	my $pl = cf::player::load_pl $f
		1727	or return;
		1728
		1729	local $cf::PLAYER_LOADING{$login} = $pl;
		1730	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1312	}	1732	}
1313	}	1733	}
1314	}	1734	}
		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($pl, $path) = @_;
		1739
		1740	# restore slots saved in save, below
		1741	my $slots = delete $pl->{_slots};
		1742
		1743	$pl->ob->current_weapon ($slots->[0]);
		1744	$pl->combat_ob ($slots->[1]);
		1745	$pl->ranged_ob ($slots->[2]);
		1746	},
		1747	);
1315		1748
1316	sub save($) {	1749	sub save($) {
1317	my ($pl) = @_;	1750	my ($pl) = @_;
1318		1751
1319	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
…		…
1323		1756
1324	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1325		1758
1326	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1327	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
		1761
		1762	cf::get_slot 0.01;
		1763
		1764	# save slots, to be restored later
		1765	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1328		1766
1329	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1768	cf::cede_to_tick;
1331	}	1769	}
1332		1770
…		…
1364	my ($pl) = @_;	1802	my ($pl) = @_;
1365		1803
1366	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1367		1805
1368	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1369	$pl->password ("*"); # this should lock out the player until we nuked the dir	1807	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1370		1808
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1372	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1374	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1375		1817
1376	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1378	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1413	or return [];	1855	or return [];
1414		1856
1415	my @logins;	1857	my @logins;
1416		1858
1417	for my $login (@$dirs) {	1859	for my $login (@$dirs) {
		1860	my $path = path $login;
		1861
		1862	# a .pst is a dead give-away for a valid player
		1863	# if no pst file found, open and chekc for blocked users
		1864	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1868	}
1421		1869
1422	utf8::decode $login;	1870	utf8::decode $login;
1423	push @logins, $login;	1871	push @logins, $login;
1424	}	1872	}
1425		1873
1426	\@logins	1874	\@logins
1427	}	1875	}
1428		1876
1429	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1430		1880
1431	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1432	player. May block.	1882	player. May block.
1433		1883
1434	=cut	1884	=cut
…		…
1452	}	1902	}
1453		1903
1454	\@paths	1904	\@paths
1455	}	1905	}
1456		1906
1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458		1908
1459	Expand crossfire pod fragments into protocol xml.	1909	Expand deliantra pod fragments into protocol xml.
1460
1461	=cut
1462
1463	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;
1465
1466	# escape & and <
1467	s/&/&amp;/g;
1468	s/(?<![BIUGHT])</&lt;/g;
1469
1470	# this is buggy, it needs to properly take care of nested <'s
1471
1472	1 while
1473	# replace B<>, I<>, U<> etc.
1474	s/B<([^\>]*)>/<b>$1<\/b>/
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1478	# replace G<male|female> tags
1479	|| s{G<([^>|]*)\|([^>]*)>}{
1480	$self->gender ? $2 : $1
1481	}ge
1482	# replace H<hint text>
1483	|| s{H<([^\>]*)>}
1484	{
1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1487	"")
1488	[$self->{hintmode}]
1489	}ge;
1490
1491	# create single paragraphs (very hackish)
1492	s/(?<=\S)\n(?=\w)/ /g;
1493
1494	# compress some whitespace
1495	s/\s+\n/\n/g; # ws line-ends
1496	s/\n\n+/\n/g; # double lines
1497	s/^\n+//; # beginning lines
1498	s/\n+$//; # ending lines
1499
1500	$_
1501	}
1502
1503	sub hintmode {
1504	$_[0]{hintmode} = $_[1] if @_ > 1;
1505	$_[0]{hintmode}
1506	}
1507		1910
1508	=item $player->ext_reply ($msgid, @msg)	1911	=item $player->ext_reply ($msgid, @msg)
1509		1912
1510	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1511		1914
…		…
1543		1946
1544	=cut	1947	=cut
1545		1948
1546	sub find_by_path($) {	1949	sub find_by_path($) {
1547	my ($path) = @_;	1950	my ($path) = @_;
		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
1548		1953
1549	my ($match, $specificity);	1954	my ($match, $specificity);
1550		1955
1551	for my $region (list) {	1956	for my $region (list) {
1552	if ($region->{match} && $path =~ $region->{match}) {	1957	if ($region->{match} && $path =~ $region->{match}) {
…		…
1578	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1579	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1580		1985
1581	sub generate_random_map {	1986	sub generate_random_map {
1582	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1583	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1584	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1585	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1586	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1587	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1588	$rmp->{exit_on_final_map},
1589	$rmp->{xsize}, $rmp->{ysize},
1590	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1591	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1592	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1593	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1594	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1595	(cf::region::find $rmp->{region}), $rmp->{custom}
1596	)
1597	}	1992	}
1598		1993
1599	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1600		1995
1601	Register a handler for the map path matching the given regex at the	1996	Register a handler for the map path matching the given regex at the
…		…
1606		2001
1607	sub register {	2002	sub register {
1608	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1609	my $pkg = caller;	2004	my $pkg = caller;
1610		2005
1611	no strict;
1612	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1613		2007
1614	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1615	}	2009	}
1616		2010
1617	# also paths starting with '/'	2011	# also paths starting with '/'
1618	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1619		2013
1620	sub thawer_merge {	2014	sub thawer_merge {
1621	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1622		2016
1623	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
…		…
1628	}	2022	}
1629		2023
1630	sub normalise {	2024	sub normalise {
1631	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1632		2026
1633	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1634		2028
1635	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1636		2030
1637	# map plan:	2031	# map plan:
1638	#	2032	#
…		…
1653	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1654	$path = "$base/$path";	2048	$path = "$base/$path";
1655	}	2049	}
1656		2050
1657	for ($path) {	2051	for ($path) {
1658	redo if s{//}{/};
1659	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1660	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1661	}	2054	}
1662		2055
1663	$path	2056	$path
…		…
1677	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1678	return $self;	2071	return $self;
1679	}	2072	}
1680	}	2073	}
1681		2074
1682	Carp::cluck "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1683	()	2076	()
1684	}	2077	}
1685		2078
		2079	# may re-bless or do other evil things
1686	sub init {	2080	sub init {
1687	my ($self) = @_;	2081	my ($self) = @_;
1688		2082
1689	$self	2083	$self
1690	}	2084	}
…		…
1709		2103
1710	# the temporary/swap location	2104	# the temporary/swap location
1711	sub save_path {	2105	sub save_path {
1712	my ($self) = @_;	2106	my ($self) = @_;
1713		2107
1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1715	"$TMPDIR/$path.map"	2109	"$TMPDIR/$path.map"
1716	}	2110	}
1717		2111
1718	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1719	sub uniq_path {	2113	sub uniq_path {
1720	my ($self) = @_;	2114	my ($self) = @_;
1721		2115
1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1723	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1724	}
1725
1726	# and all this just because we cannot iterate over
1727	# all maps in C++...
1728	sub change_all_map_light {
1729	my ($change) = @_;
1730
1731	$_->change_map_light ($change)
1732	for grep $_->outdoor, values %cf::MAP;
1733	}	2118	}
1734		2119
1735	sub decay_objects {	2120	sub decay_objects {
1736	my ($self) = @_;	2121	my ($self) = @_;
1737		2122
…		…
1750		2135
1751	sub load_header_from($) {	2136	sub load_header_from($) {
1752	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1753		2138
1754	utf8::encode $path;	2139	utf8::encode $path;
1755	#aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1756	# or return;
1757
1758	$self->_load_header ($path)
1759	or return;	2141	or return;
1760		2142
		2143	$self->_load_header ($f)
		2144	or return;
		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1761	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1762		2150
1763	1	2151	1
1764	}	2152	}
1765		2153
		2154	# used to laod the header of an original map
1766	sub load_header_orig {	2155	sub load_header_orig {
1767	my ($self) = @_;	2156	my ($self) = @_;
1768		2157
1769	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1770	}	2159	}
1771		2160
		2161	# used to laod the header of an instantiated map
1772	sub load_header_temp {	2162	sub load_header_temp {
1773	my ($self) = @_;	2163	my ($self) = @_;
1774		2164
1775	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1776	}	2166	}
1777		2167
		2168	# called after loading the header from an instantiated map
1778	sub prepare_temp {	2169	sub prepare_temp {
1779	my ($self) = @_;	2170	my ($self) = @_;
1780		2171
1781	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1782	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1783	# safety	2174	# safety
1784	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1785	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1786	}	2177	}
1787		2178
		2179	# called after loading the header from an original map
1788	sub prepare_orig {	2180	sub prepare_orig {
1789	my ($self) = @_;	2181	my ($self) = @_;
1790		2182
1791	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1792	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1816		2208
1817	sub find;	2209	sub find;
1818	sub find {	2210	sub find {
1819	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1820		2212
		2213	cf::cede_to_tick;
		2214
1821	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1822		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1823	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1824		2219
1825	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1826	my $guard = cf::lock_acquire "map_find:$path";
1827	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1828	or return;	2222	or return;
1829		2223
1830	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1831		2225
…		…
1833	or return;	2227	or return;
1834		2228
1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1836	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1837	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1838	$map->reset;	2234	$map->reset;
1839	undef $guard;
1840	return find $path;	2235	return find $path;
1841	}	2236	}
1842		2237
1843	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1844	}	2239	}
1845	}	2240	}
1846		2241
1847	sub pre_load { }	2242	sub pre_load { }
1848	sub post_load { }	2243	#sub post_load { } # XS
1849		2244
1850	sub load {	2245	sub load {
1851	my ($self) = @_;	2246	my ($self) = @_;
1852		2247
1853	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
1854		2249
1855	my $path = $self->{path};	2250	my $path = $self->{path};
1856		2251
1857	{	2252	{
1858	my $guard1 = cf::lock_acquire "map_data:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1859	my $guard2 = cf::lock_acquire "map_load:$path";
1860		2254
		2255	return unless $self->valid;
1861	return if $self->in_memory != cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
1862
1863	$self->in_memory (cf::MAP_LOADING);
1864		2257
1865	$self->alloc;	2258	$self->alloc;
1866		2259
1867	$self->pre_load;	2260	$self->pre_load;
1868	cf::cede_to_tick;	2261	cf::cede_to_tick;
1869		2262
1870	$self->_load_objects ($self->{load_path}, 1)	2263	if (exists $self->{load_path}) {
		2264	my $f = new_from_file cf::object::thawer $self->{load_path};
		2265	$f->skip_block;
		2266	$self->_load_objects ($f)
1871	or return;	2267	or return;
1872		2268
1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1874	if delete $self->{load_original};	2270	if delete $self->{load_original};
1875		2271
1876	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1877	utf8::encode $uniq;	2273	utf8::encode $uniq;
1878	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1879	$self->clear_unique_items;	2276	$self->clear_unique_items;
1880	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1881	}	2281	}
		2282
		2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
1882	}	2287	}
		2288
		2289	$self->state (cf::MAP_INACTIVE);
1883		2290
1884	cf::cede_to_tick;	2291	cf::cede_to_tick;
1885	# now do the right thing for maps	2292	# now do the right thing for maps
1886	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1887	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
…		…
1891	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
1892	$self->decay_objects;	2299	$self->decay_objects;
1893	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
1894	$self->update_buttons;	2301	$self->update_buttons;
1895	cf::cede_to_tick;	2302	cf::cede_to_tick;
1896	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
1897	cf::cede_to_tick;
1898	$self->activate;
1899	}	2304	}
1900		2305
1901	$self->{last_save} = $cf::RUNTIME;	2306	$self->{last_save} = $cf::RUNTIME;
1902	$self->last_access ($cf::RUNTIME);	2307	$self->last_access ($cf::RUNTIME);
1903
1904	$self->in_memory (cf::MAP_IN_MEMORY);
1905	}	2308	}
1906		2309
1907	$self->post_load;	2310	$self->post_load;
1908	}
1909		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
1910	sub customise_for {	2318	sub customise_for {
1911	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1912		2320
1913	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1914	if $self->per_player;	2322	if $self->per_player;
…		…
1917	# if $self->per_party;	2325	# if $self->per_party;
1918		2326
1919	$self	2327	$self
1920	}	2328	}
1921		2329
1922	# find and load all maps in the 3x3 area around a map
1923	sub load_neighbours {
1924	my ($map) = @_;
1925
1926	my @neigh; # diagonal neighbours
1927
1928	for (0 .. 3) {
1929	my $neigh = $map->tile_path ($_)
1930	or next;
1931	$neigh = find $neigh, $map
1932	or next;
1933	$neigh->load;
1934
1935	push @neigh,
1936	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1937	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1938	}
1939
1940	for (grep defined $_->[0], @neigh) {
1941	my ($path, $origin) = @$_;
1942	my $neigh = find $path, $origin
1943	or next;
1944	$neigh->load;
1945	}
1946	}
1947
1948	sub find_sync {	2330	sub find_sync {
1949	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1950		2332
1951	cf::sync_job { find $path, $origin }	2333	# it's a bug to call this from the main context
		2334	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2335	if $Coro::current == $Coro::main;
		2336
		2337	find $path, $origin
1952	}	2338	}
1953		2339
1954	sub do_load_sync {	2340	sub do_load_sync {
1955	my ($map) = @_;	2341	my ($map) = @_;
1956		2342
		2343	# it's a bug to call this from the main context
1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1958	if $Coro::current == $Coro::main;	2345	if $Coro::current == $Coro::main;
1959		2346
1960	cf::sync_job { $map->load };	2347	$map->load;
1961	}	2348	}
1962		2349
1963	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1964	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1965		2352
1966	sub find_async {	2353	sub find_async {
1967	my ($path, $origin, $load) = @_;	2354	my ($path, $origin, $load) = @_;
1968		2355
1969	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1970		2357
1971	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1973	}	2360	}
1974		2361
1975	$MAP_PREFETCH{$path} |= $load;	2362	$MAP_PREFETCH{$path} |= $load;
1976		2363
1977	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1978	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1979	while (my ($k, $v) = each %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1980	if (my $map = find $k) {	2369	if (my $map = find $k) {
1981	$map->load if $v;	2370	$map->load if $v;
1982	}	2371	}
…		…
1989	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
1990		2379
1991	()	2380	()
1992	}	2381	}
1993		2382
		2383	# common code, used by both ->save and ->swapout
1994	sub save {	2384	sub _save {
1995	my ($self) = @_;	2385	my ($self) = @_;
1996
1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1998		2386
1999	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
2000		2388
2001	return unless $self->dirty;	2389	return unless $self->dirty;
2002		2390
…		…
2008	return if $self->{deny_save};	2396	return if $self->{deny_save};
2009		2397
2010	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
2011		2399
2012	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
2013	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
2014	};	2403	};
		2404
		2405	cf::get_slot 0.02;
2015		2406
2016	if ($uniq) {	2407	if ($uniq) {
2017	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2018	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2019	} else {	2410	} else {
2020	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2021	}	2412	}
2022	}	2413	}
2023		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
2024	sub swap_out {	2423	sub swap_out {
2025	my ($self) = @_;	2424	my ($self) = @_;
2026		2425
2027	# save first because save cedes
2028	$self->save;
2029
2030	my $lock = cf::lock_acquire "map_data:$self->{path}";	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
2031		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
2032	return if $self->players;	2430	return if $self->players;
2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
2034	return if $self->{deny_save};
2035		2431
		2432	# first deactivate the map and "unlink" it from the core
		2433	$self->deactivate;
		2434	$_->clear_links_to ($self) for values %cf::MAP;
		2435	$self->state (cf::MAP_SWAPPED);
		2436
		2437	# then atomically save
		2438	$self->_save;
		2439
		2440	# then free the map
2036	$self->clear;	2441	$self->clear;
2037	$self->in_memory (cf::MAP_SWAPPED);
2038	}	2442	}
2039		2443
2040	sub reset_at {	2444	sub reset_at {
2041	my ($self) = @_;	2445	my ($self) = @_;
2042		2446
…		…
2060		2464
2061	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
2062		2466
2063	return if $self->players;	2467	return if $self->players;
2064		2468
2065	warn "resetting map ", $self->path;	2469	cf::trace "resetting map ", $self->path, "\n";
2066		2470
2067	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
2068		2472
2069	# need to save uniques path	2473	# need to save uniques path
2070	unless ($self->{deny_save}) {	2474	unless ($self->{deny_save}) {
2071	my $uniq = $self->uniq_path; utf8::encode $uniq;	2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
2072		2476
…		…
2074	if $uniq;	2478	if $uniq;
2075	}	2479	}
2076		2480
2077	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
2078		2482
		2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
2079	$self->clear;	2485	$self->clear;
2080
2081	$_->clear_links_to ($self) for values %cf::MAP;
2082		2486
2083	$self->unlink_save;	2487	$self->unlink_save;
2084	$self->destroy;	2488	$self->destroy;
2085	}	2489	}
2086		2490
…		…
2094		2498
2095	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
2096		2500
2097	$self->unlink_save;	2501	$self->unlink_save;
2098		2502
2099	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
2100	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
2101	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
2102	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2104		2508
…		…
2153		2557
2154	sub unique_maps() {	2558	sub unique_maps() {
2155	[	2559	[
2156	map {	2560	map {
2157	utf8::decode $_;	2561	utf8::decode $_;
2158	/\.map$/	2562	s/\.map$//; # TODO future compatibility hack
		2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2564	? ()
2159	? normalise $_	2565	: normalise $_
2160	: ()
2161	} @{ aio_readdir $UNIQUEDIR or [] }	2566	} @{ aio_readdir $UNIQUEDIR or [] }
2162	]	2567	]
2163	}	2568	}
2164		2569
2165	package cf;	2570	=item cf::map::static_maps
		2571
		2572	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2573	file in the shared directory excluding F</styles> and F</editor>). May
		2574	block.
		2575
		2576	=cut
		2577
		2578	sub static_maps() {
		2579	my @dirs = "";
		2580	my @maps;
		2581
		2582	while (@dirs) {
		2583	my $dir = shift @dirs;
		2584
		2585	next if $dir eq "/styles" || $dir eq "/editor";
		2586
		2587	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2588	or return;
		2589
		2590	for (@$files) {
		2591	s/\.map$// or next;
		2592	utf8::decode $_;
		2593	push @maps, "$dir/$_";
		2594	}
		2595
		2596	push @dirs, map "$dir/$_", @$dirs;
		2597	}
		2598
		2599	\@maps
		2600	}
2166		2601
2167	=back	2602	=back
2168		2603
2169	=head3 cf::object	2604	=head3 cf::object
2170		2605
…		…
2174		2609
2175	=over 4	2610	=over 4
2176		2611
2177	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
2178		2613
2179	Returns the inventory of the object _and_ their inventories, recursively.	2614	Returns the inventory of the object I<and> their inventories, recursively,
		2615	but I<not> the object itself.
2180		2616
2181	=cut	2617	=cut
2182		2618
2183	sub inv_recursive_;	2619	sub inv_recursive_;
2184	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
2187		2623
2188	sub inv_recursive {	2624	sub inv_recursive {
2189	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
2190	}	2626	}
2191		2627
		2628	=item $ref = $ob->ref
		2629
		2630	Creates and returns a persistent reference to an object that can be stored as a string.
		2631
		2632	=item $ob = cf::object::deref ($refstring)
		2633
		2634	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2635	even if the object actually exists. May block.
		2636
		2637	=cut
		2638
		2639	sub deref {
		2640	my ($ref) = @_;
		2641
		2642	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2643	my ($uuid, $name) = ($1, $2);
		2644	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2645	or return;
		2646	$pl->ob->uuid eq $uuid
		2647	or return;
		2648
		2649	$pl->ob
		2650	} else {
		2651	warn "$ref: cannot resolve object reference\n";
		2652	undef
		2653	}
		2654	}
		2655
2192	package cf;	2656	package cf;
2193		2657
2194	=back	2658	=back
2195		2659
2196	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
2202	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2666	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2203	can be C<undef>. Does the right thing when the player is currently in a	2667	can be C<undef>. Does the right thing when the player is currently in a
2204	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
2205		2669
2206	=cut	2670	=cut
		2671
		2672	our $SAY_CHANNEL = {
		2673	id => "say",
		2674	title => "Map",
		2675	reply => "say ",
		2676	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2677	};
		2678
		2679	our $CHAT_CHANNEL = {
		2680	id => "chat",
		2681	title => "Chat",
		2682	reply => "chat ",
		2683	tooltip => "Player chat and shouts, global to the server.",
		2684	};
2207		2685
2208	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
2209	# with dialog boxes.	2687	# with dialog boxes.
2210	#TODO: the first argument must go, split into a $npc->reply_to ( method	2688	#TODO: the first argument must go, split into a $npc->reply_to ( method
2211	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
2223	my $dialog = $pl->{npc_dialog};	2701	my $dialog = $pl->{npc_dialog};
2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2225		2703
2226	} else {	2704	} else {
2227	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
2228	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2229	}	2707	}
2230	}	2708	}
2231	}	2709	}
2232		2710
2233	=item $object->send_msg ($channel, $msg, $color, [extra...])	2711	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2258		2736
2259	=item $player_object->enter_link	2737	=item $player_object->enter_link
2260		2738
2261	Freezes the player and moves him/her to a special map (C<{link}>).	2739	Freezes the player and moves him/her to a special map (C<{link}>).
2262		2740
2263	The player should be reasonably safe there for short amounts of time. You	2741	The player should be reasonably safe there for short amounts of time (e.g.
2264	I<MUST> call C<leave_link> as soon as possible, though.	2742	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2743	though, as the player cannot control the character while it is on the link
		2744	map.
2265		2745
2266	Will never block.	2746	Will never block.
2267		2747
2268	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
2269		2749
…		…
2289	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
2290	my ($self) = @_;	2770	my ($self) = @_;
2291		2771
2292	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
2293		2773
		2774	++$self->{_link_recursion};
		2775
2294	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
2295		2777
2296	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2297	if $self->map && $self->map->{path} ne "{link}";	2779	if $self->map && $self->map->{path} ne "{link}";
2298		2780
2299	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2300	}	2782	}
2301		2783
2302	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
2303	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
2304		2786
…		…
2321	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
2322	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
2323		2805
2324	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
2325	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
2326	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
2327		2809
2328	$map->load;	2810	$map->load;
2329	$map->load_neighbours;
2330		2811
2331	return unless $self->contr->active;	2812	return unless $self->contr->active;
2332	$self->activate_recursive;
2333		2813
2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2335	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
2336	}	2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
		2819	$self->activate_recursive;
		2820	}
2337		2821
		2822	}
		2823
2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2339		2825
2340	Moves the player to the given map-path and coordinates by first freezing	2826	Moves the player to the given map-path and coordinates by first freezing
2341	her, loading and preparing them map, calling the provided $check callback	2827	her, loading and preparing them map, calling the provided $check callback
2342	that has to return the map if sucecssful, and then unfreezes the player on	2828	that has to return the map if sucecssful, and then unfreezes the player on
2343	the new (success) or old (failed) map position. In either case, $done will	2829	the new (success) or old (failed) map position. In either case, $done will
2344	be called at the end of this process.	2830	be called at the end of this process.
2345		2831
		2832	Note that $check will be called with a potentially non-loaded map, so if
		2833	it needs a loaded map it has to call C<< ->load >>.
		2834
2346	=cut	2835	=cut
2347		2836
2348	our $GOTOGEN;	2837	our $GOTOGEN;
2349		2838
2350	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
2351	my ($self, $path, $x, $y, $check, $done) = @_;	2840	my ($self, $path, $x, $y, $check, $done) = @_;
2352		2841
		2842	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2843	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2844	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2845	($path, $x, $y) = @$EMERGENCY_POSITION;
		2846	}
		2847
2353	# do generation counting so two concurrent goto's will be executed in-order	2848	# do generation counting so two concurrent goto's will be executed in-order
2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2355		2850
2356	$self->enter_link;	2851	$self->enter_link;
2357		2852
2358	(async {	2853	(async {
		2854	$Coro::current->{desc} = "player::goto $path $x $y";
		2855
		2856	# *tag paths override both path and x|y
		2857	if ($path =~ /^\*(.*)$/) {
		2858	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2859	my $ob = $obs[rand @obs];
		2860
		2861	# see if we actually can go there
		2862	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2863	$ob = $obs[rand @obs];
		2864	} else {
		2865	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2866	}
		2867	# else put us there anyways for now #d#
		2868
		2869	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2870	} else {
		2871	($path, $x, $y) = (undef, undef, undef);
		2872	}
		2873	}
		2874
2359	my $map = eval {	2875	my $map = eval {
2360	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2361		2877
2362	if ($map) {	2878	if ($map) {
2363	$map = $map->customise_for ($self);	2879	$map = $map->customise_for ($self);
2364	$map = $check->($map) if $check && $map;	2880	$map = $check->($map, $x, $y, $self) if $check && $map;
2365	} else {	2881	} else {
2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2367	}	2883	}
2368		2884
2369	$map	2885	$map
2370	};	2886	};
2371		2887
…		…
2377	if ($gen == $self->{_goto_generation}) {	2893	if ($gen == $self->{_goto_generation}) {
2378	delete $self->{_goto_generation};	2894	delete $self->{_goto_generation};
2379	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
2380	}	2896	}
2381		2897
2382	$done->() if $done;	2898	$done->($self) if $done;
2383	})->prio (1);	2899	})->prio (1);
2384	}	2900	}
2385		2901
2386	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
2387		2903
…		…
2407	}	2923	}
2408		2924
2409	sub prepare_random_map {	2925	sub prepare_random_map {
2410	my ($exit) = @_;	2926	my ($exit) = @_;
2411		2927
2412	my $guard = cf::lock_acquire "exit_prepare:$exit";
2413
2414	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
2415	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
2416	# that depends on the exit object	2930	# that depends on the exit object
2417		2931
2418	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
2420	if ($exit->map) {	2934	if ($exit->map) {
2421	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2422	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2423	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2424	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2425	}	2941	}
2426		2942
2427	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2428		2944
2429	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2430	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
2431	my $meta = "$RANDOMDIR/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
2432		2948
2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2434	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2435	undef $fh;	2951	undef $fh;
2436	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2437		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2438	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2439	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2440	}	2960	}
2441	}	2961	}
2442		2962
2443	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2444	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2445		2965
2446	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2447		2967
2448	if ($exit->slaying eq "/!") {
2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
2450	# the problem is that $exit might not survive long enough
2451	# so it needs to be done right now, right here
2452	cf::sync_job { prepare_random_map $exit };
2453	}
2454
2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2456	my $hp = $exit->stats->hp;
2457	my $sp = $exit->stats->sp;
2458
2459	$self->enter_link;	2968	$self->enter_link;
2460		2969
2461	# if exit is damned, update players death & WoR home-position
2462	$self->contr->savebed ($slaying, $hp, $sp)
2463	if $exit->flag (FLAG_DAMNED);
2464
2465	(async {	2970	(async {
2466	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
2467	unless (eval {	2973	unless (eval {
		2974	$self->deactivate_recursive; # just to be sure
		2975
		2976	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2977	my $x = $exit->stats->hp;
		2978	my $y = $exit->stats->sp;
		2979
		2980	# special map handling
		2981	my $slaying = $exit->slaying;
		2982
		2983	# special map handling
		2984	if ($slaying eq "/!") {
		2985	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2986
		2987	prepare_random_map $exit
		2988	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2989
		2990	$map = $exit->slaying;
		2991
		2992	} elsif ($slaying eq '!up') {
		2993	$map = $exit->map->tile_path (cf::TILE_UP);
		2994	$x = $exit->x;
		2995	$y = $exit->y;
		2996
		2997	} elsif ($slaying eq '!down') {
		2998	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2999	$x = $exit->x;
		3000	$y = $exit->y;
		3001	}
		3002
2468	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2469		3004
		3005	# if exit is damned, update players death & WoR home-position
		3006	$self->contr->savebed ($map, $x, $y)
		3007	if $exit->flag (cf::FLAG_DAMNED);
		3008
2470	1;	3009	1
2471	}) {	3010	}) {
2472	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2473	. "I'll try to bring you back to the map you were before. "	3012	. "I'll try to bring you back to the map you were before. "
2474	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2475	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2476		3015
2477	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2478	$self->leave_link;	3017	$self->leave_link;
2479	}	3018	}
2480	})->prio (1);	3019	})->prio (1);
2481	}	3020	}
2482		3021
…		…
2494	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
2495	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
2496		3035
2497	utf8::encode $text;	3036	utf8::encode $text;
2498	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3037	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3038	}
		3039
		3040	=item $client->send_big_packet ($pkt)
		3041
		3042	Like C<send_packet>, but tries to compress large packets, and fragments
		3043	them as required.
		3044
		3045	=cut
		3046
		3047	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3048
		3049	sub cf::client::send_big_packet {
		3050	my ($self, $pkt) = @_;
		3051
		3052	# try lzf for large packets
		3053	$pkt = "lzf " . Compress::LZF::compress $pkt
		3054	if 1024 <= length $pkt and $self->{can_lzf};
		3055
		3056	# split very large packets
		3057	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3058	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3059	$pkt = "frag";
		3060	}
		3061
		3062	$self->send_packet ($pkt);
2499	}	3063	}
2500		3064
2501	=item $client->send_msg ($channel, $msg, $color, [extra...])	3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
2502		3066
2503	Send a drawinfo or msg packet to the client, formatting the msg for the	3067	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2505	the message, with C<log> being the default. If C<$color> is negative, suppress	3069	the message, with C<log> being the default. If C<$color> is negative, suppress
2506	the message unless the client supports the msg packet.	3070	the message unless the client supports the msg packet.
2507		3071
2508	=cut	3072	=cut
2509		3073
		3074	# non-persistent channels (usually the info channel)
2510	our %CHANNEL = (	3075	our %CHANNEL = (
		3076	"c/motd" => {
		3077	id => "infobox",
		3078	title => "MOTD",
		3079	reply => undef,
		3080	tooltip => "The message of the day",
		3081	},
2511	"c/identify" => {	3082	"c/identify" => {
2512	id => "identify",	3083	id => "infobox",
2513	title => "Identify",	3084	title => "Identify",
2514	reply => undef,	3085	reply => undef,
2515	tooltip => "Items recently identified",	3086	tooltip => "Items recently identified",
2516	},	3087	},
2517	"c/examine" => {	3088	"c/examine" => {
2518	id => "examine",	3089	id => "infobox",
2519	title => "Examine",	3090	title => "Examine",
2520	reply => undef,	3091	reply => undef,
2521	tooltip => "Signs and other items you examined",	3092	tooltip => "Signs and other items you examined",
2522	},	3093	},
		3094	"c/shopinfo" => {
		3095	id => "infobox",
		3096	title => "Shop Info",
		3097	reply => undef,
		3098	tooltip => "What your bargaining skill tells you about the shop",
		3099	},
		3100	"c/book" => {
		3101	id => "infobox",
		3102	title => "Book",
		3103	reply => undef,
		3104	tooltip => "The contents of a note or book",
		3105	},
		3106	"c/lookat" => {
		3107	id => "infobox",
		3108	title => "Look",
		3109	reply => undef,
		3110	tooltip => "What you saw there",
		3111	},
		3112	"c/who" => {
		3113	id => "infobox",
		3114	title => "Players",
		3115	reply => undef,
		3116	tooltip => "Shows players who are currently online",
		3117	},
		3118	"c/body" => {
		3119	id => "infobox",
		3120	title => "Body Parts",
		3121	reply => undef,
		3122	tooltip => "Shows which body parts you posess and are available",
		3123	},
		3124	"c/statistics" => {
		3125	id => "infobox",
		3126	title => "Statistics",
		3127	reply => undef,
		3128	tooltip => "Shows your primary statistics",
		3129	},
		3130	"c/skills" => {
		3131	id => "infobox",
		3132	title => "Skills",
		3133	reply => undef,
		3134	tooltip => "Shows your experience per skill and item power",
		3135	},
		3136	"c/shopitems" => {
		3137	id => "infobox",
		3138	title => "Shop Items",
		3139	reply => undef,
		3140	tooltip => "Shows the items currently for sale in this shop",
		3141	},
		3142	"c/resistances" => {
		3143	id => "infobox",
		3144	title => "Resistances",
		3145	reply => undef,
		3146	tooltip => "Shows your resistances",
		3147	},
		3148	"c/pets" => {
		3149	id => "infobox",
		3150	title => "Pets",
		3151	reply => undef,
		3152	tooltip => "Shows information abotu your pets/a specific pet",
		3153	},
		3154	"c/perceiveself" => {
		3155	id => "infobox",
		3156	title => "Perceive Self",
		3157	reply => undef,
		3158	tooltip => "You gained detailed knowledge about yourself",
		3159	},
		3160	"c/uptime" => {
		3161	id => "infobox",
		3162	title => "Uptime",
		3163	reply => undef,
		3164	tooltip => "How long the server has been running since last restart",
		3165	},
		3166	"c/mapinfo" => {
		3167	id => "infobox",
		3168	title => "Map Info",
		3169	reply => undef,
		3170	tooltip => "Information related to the maps",
		3171	},
		3172	"c/party" => {
		3173	id => "party",
		3174	title => "Party",
		3175	reply => "gsay ",
		3176	tooltip => "Messages and chat related to your party",
		3177	},
		3178	"c/death" => {
		3179	id => "death",
		3180	title => "Death",
		3181	reply => undef,
		3182	tooltip => "Reason for and more info about your most recent death",
		3183	},
		3184	"c/say" => $SAY_CHANNEL,
		3185	"c/chat" => $CHAT_CHANNEL,
2523	);	3186	);
2524		3187
2525	sub cf::client::send_msg {	3188	sub cf::client::send_msg {
2526	my ($self, $channel, $msg, $color, @extra) = @_;	3189	my ($self, $channel, $msg, $color, @extra) = @_;
2527		3190
2528	$msg = $self->pl->expand_cfpod ($msg);	3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
2529		3193
2530	$color &= cf::NDI_CLIENT_MASK; # just in case...	3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
2531		3195
2532	# check predefined channels, for the benefit of C	3196	# check predefined channels, for the benefit of C
2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3197	if ($CHANNEL{$channel}) {
		3198	$channel = $CHANNEL{$channel};
2534		3199
		3200	$self->ext_msg (channel_info => $channel);
		3201	$channel = $channel->{id};
		3202
2535	if (ref $channel) {	3203	} elsif (ref $channel) {
2536	# send meta info to client, if not yet sent	3204	# send meta info to client, if not yet sent
2537	unless (exists $self->{channel}{$channel->{id}}) {	3205	unless (exists $self->{channel}{$channel->{id}}) {
2538	$self->{channel}{$channel->{id}} = $channel;	3206	$self->{channel}{$channel->{id}} = $channel;
2539	$self->ext_msg (channel_info => $channel)	3207	$self->ext_msg (channel_info => $channel);
2540	if $self->can_msg;
2541	}	3208	}
2542		3209
2543	$channel = $channel->{id};	3210	$channel = $channel->{id};
2544	}	3211	}
2545		3212
2546	return unless @extra || length $msg;	3213	return unless @extra || length $msg;
2547		3214
2548	if ($self->can_msg) {
2549	# default colour, mask it out	3215	# default colour, mask it out
2550	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2551	if $color & cf::NDI_DEF;	3217	if $color & cf::NDI_DEF;
2552		3218
2553	$self->send_packet ("msg " . $self->{json_coder}->encode (	3219	my $pkt = "msg "
		3220	. $self->{json_coder}->encode (
2554	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2555	} else {	3222	);
2556	if ($color >= 0) {
2557	# replace some tags by gcfclient-compatible ones
2558	for ($msg) {
2559	1 while
2560	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2561	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2562	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2563	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2564	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2565	}
2566		3223
2567	$color &= cf::NDI_COLOR_MASK;	3224	$self->send_big_packet ($pkt);
2568
2569	utf8::encode $msg;
2570
2571	if (0 && $msg =~ /\[/) {
2572	# COMMAND/INFO
2573	$self->send_packet ("drawextinfo $color 10 8 $msg")
2574	} else {
2575	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2576	$self->send_packet ("drawinfo $color $msg")
2577	}
2578	}
2579	}
2580	}	3225	}
2581		3226
2582	=item $client->ext_msg ($type, @msg)	3227	=item $client->ext_msg ($type, @msg)
2583		3228
2584	Sends an ext event to the client.	3229	Sends an ext event to the client.
…		…
2587		3232
2588	sub cf::client::ext_msg($$@) {	3233	sub cf::client::ext_msg($$@) {
2589	my ($self, $type, @msg) = @_;	3234	my ($self, $type, @msg) = @_;
2590		3235
2591	if ($self->extcmd == 2) {	3236	if ($self->extcmd == 2) {
2592	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2593	} elsif ($self->extcmd == 1) { # TODO: remove	3238	} elsif ($self->extcmd == 1) { # TODO: remove
2594	push @msg, msgtype => "event_$type";	3239	push @msg, msgtype => "event_$type";
2595	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2596	}	3241	}
2597	}	3242	}
2598		3243
2599	=item $client->ext_reply ($msgid, @msg)	3244	=item $client->ext_reply ($msgid, @msg)
2600		3245
…		…
2603	=cut	3248	=cut
2604		3249
2605	sub cf::client::ext_reply($$@) {	3250	sub cf::client::ext_reply($$@) {
2606	my ($self, $id, @msg) = @_;	3251	my ($self, $id, @msg) = @_;
2607		3252
2608	if ($self->extcmd == 2) {	3253	return unless $self->extcmd == 2;
		3254
2609	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2610	} elsif ($self->extcmd == 1) {
2611	#TODO: version 1, remove
2612	unshift @msg, msgtype => "reply", msgid => $id;
2613	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2614	}
2615	}	3256	}
2616		3257
2617	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2618		3259
2619	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
…		…
2674	my ($ns, $buf) = @_;	3315	my ($ns, $buf) = @_;
2675		3316
2676	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2677		3318
2678	if (ref $msg) {	3319	if (ref $msg) {
2679	my ($type, $reply, @payload) =	3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2680	"ARRAY" eq ref $msg
2681	? @$msg
2682	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2683		3321
2684	my @reply;	3322	my @reply;
2685		3323
2686	if (my $cb = $EXTICMD{$type}) {	3324	if (my $cb = $EXTICMD{$type}) {
2687	@reply = $cb->($ns, @payload);	3325	@reply = $cb->($ns, @payload);
…		…
2689		3327
2690	$ns->ext_reply ($reply, @reply)	3328	$ns->ext_reply ($reply, @reply)
2691	if $reply;	3329	if $reply;
2692		3330
2693	} else {	3331	} else {
2694	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3332	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2695	}	3333	}
2696		3334
2697	cf::override;	3335	cf::override;
2698	},	3336	},
2699	);	3337	);
…		…
2719		3357
2720	$coro	3358	$coro
2721	}	3359	}
2722		3360
2723	cf::client->attach (	3361	cf::client->attach (
2724	on_destroy => sub {	3362	on_client_destroy => sub {
2725	my ($ns) = @_;	3363	my ($ns) = @_;
2726		3364
2727	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2728	},	3366	},
2729	);	3367	);
…		…
2745	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2746		3384
2747	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2748		3386
2749	$safe->permit_only (Opcode::opset qw(	3387	$safe->permit_only (Opcode::opset qw(
2750	:base_core :base_mem :base_orig :base_math	3388	:base_core :base_mem :base_orig :base_math :base_loop
2751	grepstart grepwhile mapstart mapwhile	3389	grepstart grepwhile mapstart mapwhile
2752	sort time	3390	sort time
2753	));	3391	));
2754		3392
2755	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
…		…
2757	=pod	3395	=pod
2758		3396
2759	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2760		3398
2761	cf::object	3399	cf::object
2762	contr pay_amount pay_player map x y force_find force_add	3400	contr pay_amount pay_player map x y force_find force_add destroy
2763	insert remove name archname title slaying race decrease_ob_nr	3401	insert remove name archname title slaying race decrease split
		3402	value
2764		3403
2765	cf::object::player	3404	cf::object::player
2766	player	3405	player
2767		3406
2768	cf::player	3407	cf::player
…		…
2773		3412
2774	=cut	3413	=cut
2775		3414
2776	for (	3415	for (
2777	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2778	insert remove inv name archname title slaying race	3417	insert remove inv nrof name archname title slaying race
2779	decrease_ob_nr)],	3418	decrease split destroy change_exp value msg lore send_msg)],
2780	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2781	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2782	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2783	) {	3422	) {
2784	no strict 'refs';
2785	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2786	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2787	for @funs;	3425	for @funs;
2788	}	3426	}
2789		3427
…		…
2804		3442
2805	my $qcode = $code;	3443	my $qcode = $code;
2806	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2807	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2808		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2809	local $_;	3450	local $_;
2810	local @safe::cf::_safe_eval_args = values %vars;
2811		3451
2812	my $eval =	3452	my $eval =
2813	"do {\n"	3453	"do {\n"
2814	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2815	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2816	. $code	3456	. $code
2817	. "\n}"	3457	. "\n}"
2818	;	3458	;
2819		3459
		3460	if ($CFG{safe_eval}) {
2820	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2821	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2822	sub_generation_inc;	3464	sub_generation_inc;
		3465	} else {
		3466	local @cf::_safe_eval_args = values %vars;
		3467	@res = wantarray ? eval eval : scalar eval $eval;
		3468	}
2823		3469
2824	if ($@) {	3470	if ($@) {
2825	warn "$@";	3471	warn "$@",
2826	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2827	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2828	}	3474	}
2829		3475
2830	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2831	}	3477	}
2832		3478
…		…
2846	=cut	3492	=cut
2847		3493
2848	sub register_script_function {	3494	sub register_script_function {
2849	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2850		3496
2851	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2852	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2853	}	3499	}
2854		3500
2855	=back	3501	=back
2856		3502
2857	=cut	3503	=cut
…		…
2866	# for this (global event?)	3512	# for this (global event?)
2867	%ext::player_env::MUSIC_FACE_CACHE = ();	3513	%ext::player_env::MUSIC_FACE_CACHE = ();
2868		3514
2869	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3515	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2870		3516
2871	warn "loading facedata from $path\n";	3517	trace "loading facedata from $path\n";
2872		3518
2873	my $facedata;	3519	my $facedata = decode_storable load_file $path;
2874	0 < aio_load $path, $facedata
2875	or die "$path: $!";
2876
2877	$facedata = Coro::Storable::thaw $facedata;
2878		3520
2879	$facedata->{version} == 2	3521	$facedata->{version} == 2
2880	or cf::cleanup "$path: version mismatch, cannot proceed.";	3522	or cf::cleanup "$path: version mismatch, cannot proceed.";
2881		3523
2882	# patch in the exptable	3524	# patch in the exptable
		3525	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2883	$facedata->{resource}{"res/exp_table"} = {	3526	$facedata->{resource}{"res/exp_table"} = {
2884	type => FT_RSRC,	3527	type => FT_RSRC,
2885	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3528	data => $exp_table,
		3529	hash => (Digest::MD5::md5 $exp_table),
2886	};	3530	};
2887	cf::cede_to_tick;	3531	cf::cede_to_tick;
2888		3532
2889	{	3533	{
2890	my $faces = $facedata->{faceinfo};	3534	my $faces = $facedata->{faceinfo};
2891		3535
2892	while (my ($face, $info) = each %$faces) {	3536	while (my ($face, $info) = each %$faces) {
2893	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3537	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3538
2894	cf::face::set_visibility $idx, $info->{visibility};	3539	cf::face::set_visibility $idx, $info->{visibility};
2895	cf::face::set_magicmap $idx, $info->{magicmap};	3540	cf::face::set_magicmap $idx, $info->{magicmap};
2896	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3541	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2897	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3542	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3543	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2898		3544
2899	cf::cede_to_tick;	3545	cf::cede_to_tick;
2900	}	3546	}
2901		3547
2902	while (my ($face, $info) = each %$faces) {	3548	while (my ($face, $info) = each %$faces) {
2903	next unless $info->{smooth};	3549	next unless $info->{smooth};
		3550
2904	my $idx = cf::face::find $face	3551	my $idx = cf::face::find $face
2905	or next;	3552	or next;
		3553
2906	if (my $smooth = cf::face::find $info->{smooth}) {	3554	if (my $smooth = cf::face::find $info->{smooth}) {
2907	cf::face::set_smooth $idx, $smooth;	3555	cf::face::set_smooth $idx, $smooth;
2908	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3556	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2909	} else {	3557	} else {
2910	warn "smooth face '$info->{smooth}' not found for face '$face'";	3558	error "smooth face '$info->{smooth}' not found for face '$face'";
2911	}	3559	}
2912		3560
2913	cf::cede_to_tick;	3561	cf::cede_to_tick;
2914	}	3562	}
2915	}	3563	}
…		…
2924		3572
2925	cf::anim::invalidate_all; # d'oh	3573	cf::anim::invalidate_all; # d'oh
2926	}	3574	}
2927		3575
2928	{	3576	{
2929	# TODO: for gcfclient pleasure, we should give resources
2930	# that gcfclient doesn't grok a >10000 face index.
2931	my $res = $facedata->{resource};	3577	my $res = $facedata->{resource};
2932		3578
2933	my $soundconf = delete $res->{"res/sound.conf"};
2934
2935	while (my ($name, $info) = each %$res) {	3579	while (my ($name, $info) = each %$res) {
		3580	if (defined (my $type = $info->{type})) {
		3581	# TODO: different hash - must free and use new index, or cache ixface data queue
2936	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3582	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2937	my $data;
2938		3583
2939	if ($info->{type} & 1) {	3584	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2940	# prepend meta info	3585	cf::face::set_type $idx, $type;
2941		3586	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
2942	my $meta = $enc->encode ({
2943	name => $name,
2944	%{ $info->{meta} || {} },
2945	});
2946
2947	$data = pack "(w/a*)*", $meta, $info->{data};
2948	} else {	3587	} else {
2949	$data = $info->{data};	3588	# $RESOURCE{$name} = $info; # unused
2950	}	3589	}
2951		3590
2952	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2953	cf::face::set_type $idx, $info->{type};
2954
2955	cf::cede_to_tick;	3591	cf::cede_to_tick;
2956	}	3592	}
2957
2958	if ($soundconf) {
2959	$soundconf = $enc->decode (delete $soundconf->{data});
2960
2961	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2962	my $sound = $soundconf->{compat}[$_]
2963	or next;
2964
2965	my $face = cf::face::find "sound/$sound->[1]";
2966	cf::sound::set $sound->[0] => $face;
2967	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2968	}
2969
2970	while (my ($k, $v) = each %{$soundconf->{event}}) {
2971	my $face = cf::face::find "sound/$v";
2972	cf::sound::set $k => $face;
2973	}
2974	}
2975	}	3593	}
		3594
		3595	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2976		3596
2977	1	3597	1
2978	}	3598	}
2979		3599
2980	register_exticmd fx_want => sub {	3600	register_exticmd fx_want => sub {
…		…
2982		3602
2983	while (my ($k, $v) = each %$want) {	3603	while (my ($k, $v) = each %$want) {
2984	$ns->fx_want ($k, $v);	3604	$ns->fx_want ($k, $v);
2985	}	3605	}
2986	};	3606	};
		3607
		3608	sub load_resource_file($) {
		3609	my $guard = lock_acquire "load_resource_file";
		3610
		3611	my $status = load_resource_file_ $_[0];
		3612	get_slot 0.1, 100;
		3613	cf::arch::commit_load;
		3614
		3615	$status
		3616	}
2987		3617
2988	sub reload_regions {	3618	sub reload_regions {
2989	# HACK to clear player env face cache, we need some signal framework	3619	# HACK to clear player env face cache, we need some signal framework
2990	# for this (global event?)	3620	# for this (global event?)
2991	%ext::player_env::MUSIC_FACE_CACHE = ();	3621	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3005	}	3635	}
3006		3636
3007	sub reload_archetypes {	3637	sub reload_archetypes {
3008	load_resource_file "$DATADIR/archetypes"	3638	load_resource_file "$DATADIR/archetypes"
3009	or die "unable to load archetypes\n";	3639	or die "unable to load archetypes\n";
3010	#d# NEED to laod twice to resolve forward references
3011	# this really needs to be done in an extra post-pass
3012	# (which needs to be synchronous, so solve it differently)
3013	load_resource_file "$DATADIR/archetypes"
3014	or die "unable to load archetypes\n";
3015	}	3640	}
3016		3641
3017	sub reload_treasures {	3642	sub reload_treasures {
3018	load_resource_file "$DATADIR/treasures"	3643	load_resource_file "$DATADIR/treasures"
3019	or die "unable to load treasurelists\n";	3644	or die "unable to load treasurelists\n";
3020	}	3645	}
3021		3646
		3647	sub reload_sound {
		3648	trace "loading sound config from $DATADIR/sound\n";
		3649
		3650	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3651
		3652	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3653	my $sound = $soundconf->{compat}[$_]
		3654	or next;
		3655
		3656	my $face = cf::face::find "sound/$sound->[1]";
		3657	cf::sound::set $sound->[0] => $face;
		3658	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3659	}
		3660
		3661	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3662	my $face = cf::face::find "sound/$v";
		3663	cf::sound::set $k => $face;
		3664	}
		3665	}
		3666
3022	sub reload_resources {	3667	sub reload_resources {
3023	warn "reloading resource files...\n";	3668	trace "reloading resource files...\n";
3024		3669
		3670	reload_exp_table;
		3671	reload_materials;
		3672	reload_facedata;
		3673	reload_sound;
		3674	reload_archetypes;
3025	reload_regions;	3675	reload_regions;
3026	reload_facedata;
3027	#reload_archetypes;#d#
3028	reload_archetypes;
3029	reload_treasures;	3676	reload_treasures;
3030		3677
3031	warn "finished reloading resource files\n";	3678	trace "finished reloading resource files\n";
3032	}
3033
3034	sub init {
3035	reload_resources;
3036	}	3679	}
3037		3680
3038	sub reload_config {	3681	sub reload_config {
3039	open my $fh, "<:utf8", "$CONFDIR/config"	3682	trace "reloading config file...\n";
3040	or return;
3041		3683
3042	local $/;	3684	my $config = load_file "$CONFDIR/config";
3043	*CFG = YAML::Syck::Load <$fh>;	3685	utf8::decode $config;
		3686	*CFG = decode_yaml $config;
3044		3687
3045	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3688	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3046		3689
3047	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3690	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3048	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3691	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3049		3692
3050	if (exists $CFG{mlockall}) {	3693	if (exists $CFG{mlockall}) {
…		…
3054	};	3697	};
3055	warn $@ if $@;	3698	warn $@ if $@;
3056	}	3699	}
3057	}	3700	}
3058		3701
		3702	sub pidfile() {
		3703	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3704	or die "$PIDFILE: $!";
		3705	flock $fh, &Fcntl::LOCK_EX
		3706	or die "$PIDFILE: flock: $!";
		3707	$fh
		3708	}
		3709
		3710	# make sure only one server instance is running at any one time
		3711	sub atomic {
		3712	my $fh = pidfile;
		3713
		3714	my $pid = <$fh>;
		3715	kill 9, $pid if $pid > 0;
		3716
		3717	seek $fh, 0, 0;
		3718	print $fh $$;
		3719	}
		3720
		3721	sub main_loop {
		3722	trace "EV::loop starting\n";
		3723	if (1) {
		3724	EV::loop;
		3725	}
		3726	trace "EV::loop returned\n";
		3727	goto &main_loop unless $REALLY_UNLOOP;
		3728	}
		3729
3059	sub main {	3730	sub main {
		3731	cf::init_globals; # initialise logging
		3732
		3733	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3734	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3735	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3736	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3737
		3738	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3739
3060	# we must not ever block the main coroutine	3740	# we must not ever block the main coroutine
3061	local $Coro::idle = sub {	3741	local $Coro::idle = sub {
3062	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3742	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3063	(async {	3743	(async {
3064	Event::one_event;	3744	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3745	EV::loop EV::LOOP_ONESHOT;
3065	})->prio (Coro::PRIO_MAX);	3746	})->prio (Coro::PRIO_MAX);
3066	};	3747	};
3067		3748
		3749	evthread_start IO::AIO::poll_fileno;
		3750
		3751	cf::sync_job {
		3752	cf::incloader::init ();
		3753
		3754	cf::init_anim;
		3755	cf::init_attackmess;
		3756	cf::init_dynamic;
		3757
		3758	cf::load_settings;
		3759
		3760	reload_resources;
3068	reload_config;	3761	reload_config;
3069	db_init;	3762	db_init;
		3763
		3764	cf::init_uuid;
		3765	cf::init_signals;
		3766	cf::init_skills;
		3767
		3768	cf::init_beforeplay;
		3769
		3770	atomic;
		3771
3070	load_extensions;	3772	load_extensions;
3071		3773
3072	$TICK_WATCHER->start;	3774	utime time, time, $RUNTIMEFILE;
3073	Event::loop;	3775
		3776	# no (long-running) fork's whatsoever before this point(!)
		3777	use POSIX ();
		3778	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3779
		3780	cf::_post_init 0;
		3781	};
		3782
		3783	cf::object::thawer::errors_are_fatal 0;
		3784	info "parse errors in files are no longer fatal from this point on.\n";
		3785
		3786	AE::postpone {
		3787	undef &main; # free gobs of memory :)
		3788	};
		3789
		3790	goto &main_loop;
3074	}	3791	}
3075		3792
3076	#############################################################################	3793	#############################################################################
3077	# initialisation and cleanup	3794	# initialisation and cleanup
3078		3795
3079	# install some emergency cleanup handlers	3796	# install some emergency cleanup handlers
3080	BEGIN {	3797	BEGIN {
		3798	our %SIGWATCHER = ();
3081	for my $signal (qw(INT HUP TERM)) {	3799	for my $signal (qw(INT HUP TERM)) {
3082	Event->signal (	3800	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3083	reentrant => 0,
3084	data => WF_AUTOCANCEL,
3085	signal => $signal,
3086	prio => 0,
3087	cb => sub {
3088	cf::cleanup "SIG$signal";	3801	cf::cleanup "SIG$signal";
3089	},
3090	);	3802	};
3091	}	3803	}
3092	}	3804	}
3093		3805
3094	sub write_runtime {	3806	sub write_runtime_sync {
3095	my $runtime = "$LOCALDIR/runtime";	3807	my $t0 = AE::time;
3096		3808
3097	# first touch the runtime file to show we are still running:	3809	# first touch the runtime file to show we are still running:
3098	# the fsync below can take a very very long time.	3810	# the fsync below can take a very very long time.
3099		3811
3100	IO::AIO::aio_utime $runtime, undef, undef;	3812	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3101		3813
3102	my $guard = cf::lock_acquire "write_runtime";	3814	my $guard = cf::lock_acquire "write_runtime";
3103		3815
3104	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3816	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3105	or return;	3817	or return;
3106		3818
3107	my $value = $cf::RUNTIME + 90 + 10;	3819	my $value = $cf::RUNTIME + 90 + 10;
3108	# 10 is the runtime save interval, for a monotonic clock	3820	# 10 is the runtime save interval, for a monotonic clock
3109	# 60 allows for the watchdog to kill the server.	3821	# 60 allows for the watchdog to kill the server.
…		…
3119	aio_utime $fh, undef, undef;	3831	aio_utime $fh, undef, undef;
3120		3832
3121	close $fh	3833	close $fh
3122	or return;	3834	or return;
3123		3835
3124	aio_rename "$runtime~", $runtime	3836	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3125	and return;	3837	and return;
3126		3838
3127	warn "runtime file written.\n";	3839	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3128		3840
3129	1	3841	1
		3842	}
		3843
		3844	our $uuid_lock;
		3845	our $uuid_skip;
		3846
		3847	sub write_uuid_sync($) {
		3848	$uuid_skip ||= $_[0];
		3849
		3850	return if $uuid_lock;
		3851	local $uuid_lock = 1;
		3852
		3853	my $uuid = "$LOCALDIR/uuid";
		3854
		3855	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3856	or return;
		3857
		3858	my $value = uuid_seq uuid_cur;
		3859
		3860	unless ($value) {
		3861	info "cowardly refusing to write zero uuid value!\n";
		3862	return;
		3863	}
		3864
		3865	my $value = uuid_str $value + $uuid_skip;
		3866	$uuid_skip = 0;
		3867
		3868	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3869	and return;
		3870
		3871	# always fsync - this file is important
		3872	aio_fsync $fh
		3873	and return;
		3874
		3875	close $fh
		3876	or return;
		3877
		3878	aio_rename "$uuid~", $uuid
		3879	and return;
		3880
		3881	trace "uuid file written ($value).\n";
		3882
		3883	1
		3884
		3885	}
		3886
		3887	sub write_uuid($$) {
		3888	my ($skip, $sync) = @_;
		3889
		3890	$sync ? write_uuid_sync $skip
		3891	: async { write_uuid_sync $skip };
3130	}	3892	}
3131		3893
3132	sub emergency_save() {	3894	sub emergency_save() {
3133	my $freeze_guard = cf::freeze_mainloop;	3895	my $freeze_guard = cf::freeze_mainloop;
3134		3896
3135	warn "enter emergency perl save\n";	3897	info "emergency_perl_save: enter\n";
		3898
		3899	# this is a trade-off: we want to be very quick here, so
		3900	# save all maps without fsync, and later call a global sync
		3901	# (which in turn might be very very slow)
		3902	local $USE_FSYNC = 0;
3136		3903
3137	cf::sync_job {	3904	cf::sync_job {
		3905	cf::write_runtime_sync; # external watchdog should not bark
		3906
3138	# use a peculiar iteration method to avoid tripping on perl	3907	# use a peculiar iteration method to avoid tripping on perl
3139	# refcount bugs in for. also avoids problems with players	3908	# refcount bugs in for. also avoids problems with players
3140	# and maps saved/destroyed asynchronously.	3909	# and maps saved/destroyed asynchronously.
3141	warn "begin emergency player save\n";	3910	info "emergency_perl_save: begin player save\n";
3142	for my $login (keys %cf::PLAYER) {	3911	for my $login (keys %cf::PLAYER) {
3143	my $pl = $cf::PLAYER{$login} or next;	3912	my $pl = $cf::PLAYER{$login} or next;
3144	$pl->valid or next;	3913	$pl->valid or next;
		3914	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3145	$pl->save;	3915	$pl->save;
3146	}	3916	}
3147	warn "end emergency player save\n";	3917	info "emergency_perl_save: end player save\n";
3148		3918
3149	warn "begin emergency map save\n";	3919	cf::write_runtime_sync; # external watchdog should not bark
		3920
		3921	info "emergency_perl_save: begin map save\n";
3150	for my $path (keys %cf::MAP) {	3922	for my $path (keys %cf::MAP) {
3151	my $map = $cf::MAP{$path} or next;	3923	my $map = $cf::MAP{$path} or next;
3152	$map->valid or next;	3924	$map->valid or next;
3153	$map->save;	3925	$map->save;
3154	}	3926	}
3155	warn "end emergency map save\n";	3927	info "emergency_perl_save: end map save\n";
3156		3928
3157	warn "begin emergency database checkpoint\n";	3929	cf::write_runtime_sync; # external watchdog should not bark
		3930
		3931	info "emergency_perl_save: begin database checkpoint\n";
3158	BDB::db_env_txn_checkpoint $DB_ENV;	3932	BDB::db_env_txn_checkpoint $DB_ENV;
3159	warn "end emergency database checkpoint\n";	3933	info "emergency_perl_save: end database checkpoint\n";
		3934
		3935	info "emergency_perl_save: begin write uuid\n";
		3936	write_uuid_sync 1;
		3937	info "emergency_perl_save: end write uuid\n";
		3938
		3939	cf::write_runtime_sync; # external watchdog should not bark
		3940
		3941	trace "emergency_perl_save: syncing database to disk";
		3942	BDB::db_env_txn_checkpoint $DB_ENV;
		3943
		3944	info "emergency_perl_save: starting sync\n";
		3945	IO::AIO::aio_sync sub {
		3946	info "emergency_perl_save: finished sync\n";
		3947	};
		3948
		3949	cf::write_runtime_sync; # external watchdog should not bark
		3950
		3951	trace "emergency_perl_save: flushing outstanding aio requests";
		3952	while (IO::AIO::nreqs || BDB::nreqs) {
		3953	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3954	}
		3955
		3956	cf::write_runtime_sync; # external watchdog should not bark
3160	};	3957	};
3161		3958
3162	warn "leave emergency perl save\n";	3959	info "emergency_perl_save: leave\n";
3163	}	3960	}
3164		3961
3165	sub post_cleanup {	3962	sub post_cleanup {
3166	my ($make_core) = @_;	3963	my ($make_core) = @_;
3167		3964
		3965	IO::AIO::flush;
		3966
3168	warn Carp::longmess "post_cleanup backtrace"	3967	error Carp::longmess "post_cleanup backtrace"
3169	if $make_core;	3968	if $make_core;
		3969
		3970	my $fh = pidfile;
		3971	unlink $PIDFILE if <$fh> == $$;
		3972	}
		3973
		3974	# a safer delete_package, copied from Symbol
		3975	sub clear_package($) {
		3976	my $pkg = shift;
		3977
		3978	# expand to full symbol table name if needed
		3979	unless ($pkg =~ /^main::.*::$/) {
		3980	$pkg = "main$pkg" if $pkg =~ /^::/;
		3981	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3982	$pkg .= '::' unless $pkg =~ /::$/;
		3983	}
		3984
		3985	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3986	my $stem_symtab = *{$stem}{HASH};
		3987
		3988	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3989	or return;
		3990
		3991	# clear all symbols
		3992	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3993	for my $name (keys %$leaf_symtab) {
		3994	_gv_clear *{"$pkg$name"};
		3995	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3996	}
3170	}	3997	}
3171		3998
3172	sub do_reload_perl() {	3999	sub do_reload_perl() {
3173	# can/must only be called in main	4000	# can/must only be called in main
3174	if ($Coro::current != $Coro::main) {	4001	unless (in_main) {
3175	warn "can only reload from main coroutine";	4002	error "can only reload from main coroutine";
3176	return;	4003	return;
3177	}	4004	}
3178		4005
3179	warn "reloading...";	4006	return if $RELOAD++;
3180		4007
3181	warn "entering sync_job";	4008	my $t1 = AE::time;
3182		4009
		4010	while ($RELOAD) {
		4011	cf::get_slot 0.1, -1, "reload_perl";
		4012	info "perl_reload: reloading...";
		4013
		4014	trace "perl_reload: entering sync_job";
		4015
3183	cf::sync_job {	4016	cf::sync_job {
3184	cf::write_runtime; # external watchdog should not bark
3185	cf::emergency_save;	4017	#cf::emergency_save;
3186	cf::write_runtime; # external watchdog should not bark
3187		4018
3188	warn "syncing database to disk";
3189	BDB::db_env_txn_checkpoint $DB_ENV;
3190
3191	# if anything goes wrong in here, we should simply crash as we already saved
3192
3193	warn "cancelling all WF_AUTOCANCEL watchers";
3194	for (Event::all_watchers) {
3195	$_->cancel if $_->data & WF_AUTOCANCEL;
3196	}
3197
3198	warn "flushing outstanding aio requests";
3199	for (;;) {
3200	BDB::flush;
3201	IO::AIO::flush;
3202	Coro::cede;
3203	last unless IO::AIO::nreqs || BDB::nreqs;
3204	warn "iterate...";
3205	}
3206
3207	++$RELOAD;
3208
3209	warn "cancelling all extension coros";	4019	trace "perl_reload: cancelling all extension coros";
3210	$_->cancel for values %EXT_CORO;	4020	$_->cancel for values %EXT_CORO;
3211	%EXT_CORO = ();	4021	%EXT_CORO = ();
3212		4022
3213	warn "removing commands";	4023	trace "perl_reload: removing commands";
3214	%COMMAND = ();	4024	%COMMAND = ();
3215		4025
3216	warn "removing ext/exti commands";	4026	trace "perl_reload: removing ext/exti commands";
3217	%EXTCMD = ();	4027	%EXTCMD = ();
3218	%EXTICMD = ();	4028	%EXTICMD = ();
3219		4029
3220	warn "unloading/nuking all extensions";	4030	trace "perl_reload: unloading/nuking all extensions";
3221	for my $pkg (@EXTS) {	4031	for my $pkg (@EXTS) {
3222	warn "... unloading $pkg";	4032	trace "... unloading $pkg";
3223		4033
3224	if (my $cb = $pkg->can ("unload")) {	4034	if (my $cb = $pkg->can ("unload")) {
3225	eval {	4035	eval {
3226	$cb->($pkg);	4036	$cb->($pkg);
3227	1	4037	1
3228	} or warn "$pkg unloaded, but with errors: $@";	4038	} or error "$pkg unloaded, but with errors: $@";
		4039	}
		4040
		4041	trace "... clearing $pkg";
		4042	clear_package $pkg;
3229	}	4043	}
3230		4044
3231	warn "... nuking $pkg";
3232	Symbol::delete_package $pkg;
3233	}
3234
3235	warn "unloading all perl modules loaded from $LIBDIR";	4045	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3236	while (my ($k, $v) = each %INC) {	4046	while (my ($k, $v) = each %INC) {
3237	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4047	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3238		4048
3239	warn "... unloading $k";	4049	trace "... unloading $k";
3240	delete $INC{$k};	4050	delete $INC{$k};
3241		4051
3242	$k =~ s/\.pm$//;	4052	$k =~ s/\.pm$//;
3243	$k =~ s/\//::/g;	4053	$k =~ s/\//::/g;
3244		4054
3245	if (my $cb = $k->can ("unload_module")) {	4055	if (my $cb = $k->can ("unload_module")) {
3246	$cb->();	4056	$cb->();
		4057	}
		4058
		4059	clear_package $k;
3247	}	4060	}
3248		4061
3249	Symbol::delete_package $k;
3250	}
3251
3252	warn "getting rid of safe::, as good as possible";	4062	trace "perl_reload: getting rid of safe::, as good as possible";
3253	Symbol::delete_package "safe::$_"	4063	clear_package "safe::$_"
3254	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4064	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3255		4065
3256	warn "unloading cf.pm \"a bit\"";	4066	trace "perl_reload: unloading cf.pm \"a bit\"";
3257	delete $INC{"cf.pm"};	4067	delete $INC{"cf.pm"};
3258	delete $INC{"cf/pod.pm"};	4068	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3259		4069
3260	# don't, removes xs symbols, too,	4070	# don't, removes xs symbols, too,
3261	# and global variables created in xs	4071	# and global variables created in xs
3262	#Symbol::delete_package __PACKAGE__;	4072	#clear_package __PACKAGE__;
3263		4073
3264	warn "unload completed, starting to reload now";	4074	info "perl_reload: unload completed, starting to reload now";
3265		4075
3266	warn "reloading cf.pm";	4076	trace "perl_reload: reloading cf.pm";
3267	require cf;	4077	require cf;
3268	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4078	cf::_connect_to_perl_1;
3269		4079
3270	warn "loading config and database again";	4080	trace "perl_reload: loading config and database again";
3271	cf::reload_config;	4081	cf::reload_config;
3272		4082
3273	warn "loading extensions";	4083	trace "perl_reload: loading extensions";
3274	cf::load_extensions;	4084	cf::load_extensions;
3275		4085
		4086	if ($REATTACH_ON_RELOAD) {
3276	warn "reattaching attachments to objects/players";	4087	trace "perl_reload: reattaching attachments to objects/players";
3277	_global_reattach; # objects, sockets	4088	_global_reattach; # objects, sockets
3278	warn "reattaching attachments to maps";	4089	trace "perl_reload: reattaching attachments to maps";
3279	reattach $_ for values %MAP;	4090	reattach $_ for values %MAP;
3280	warn "reattaching attachments to players";	4091	trace "perl_reload: reattaching attachments to players";
3281	reattach $_ for values %PLAYER;	4092	reattach $_ for values %PLAYER;
		4093	}
3282		4094
3283	warn "leaving sync_job";	4095	cf::_post_init 1;
3284		4096
		4097	trace "perl_reload: leaving sync_job";
		4098
3285	1	4099	1
3286	} or do {	4100	} or do {
3287	warn $@;	4101	error $@;
3288	warn "error while reloading, exiting.";	4102	cf::cleanup "perl_reload: error, exiting.";
3289	exit 1;	4103	};
		4104
		4105	--$RELOAD;
3290	};	4106	}
3291		4107
3292	warn "reloaded";	4108	$t1 = AE::time - $t1;
		4109	info "perl_reload: completed in ${t1}s\n";
3293	};	4110	};
3294		4111
3295	our $RELOAD_WATCHER; # used only during reload	4112	our $RELOAD_WATCHER; # used only during reload
3296		4113
3297	sub reload_perl() {	4114	sub reload_perl() {
3298	# doing reload synchronously and two reloads happen back-to-back,	4115	# doing reload synchronously and two reloads happen back-to-back,
3299	# coro crashes during coro_state_free->destroy here.	4116	# coro crashes during coro_state_free->destroy here.
3300		4117
3301	$RELOAD_WATCHER ||= Event->timer (	4118	$RELOAD_WATCHER ||= cf::async {
3302	reentrant => 0,	4119	Coro::AIO::aio_wait cache_extensions;
3303	after => 0,	4120
3304	data => WF_AUTOCANCEL,	4121	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3305	cb => sub {
3306	do_reload_perl;	4122	do_reload_perl;
3307	undef $RELOAD_WATCHER;	4123	undef $RELOAD_WATCHER;
3308	},	4124	};
3309	);	4125	};
3310	}	4126	}
3311		4127
3312	register_command "reload" => sub {	4128	register_command "reload" => sub {
3313	my ($who, $arg) = @_;	4129	my ($who, $arg) = @_;
3314		4130
3315	if ($who->flag (FLAG_WIZ)) {	4131	if ($who->flag (FLAG_WIZ)) {
3316	$who->message ("reloading server.");	4132	$who->message ("reloading server.");
		4133	async {
		4134	$Coro::current->{desc} = "perl_reload";
3317	async { reload_perl };	4135	reload_perl;
		4136	};
3318	}	4137	}
3319	};	4138	};
3320		4139
3321	unshift @INC, $LIBDIR;	4140	#############################################################################
3322		4141
3323	my $bug_warning = 0;	4142	my $bug_warning = 0;
3324		4143
3325	our @WAIT_FOR_TICK;
3326	our @WAIT_FOR_TICK_BEGIN;
3327
3328	sub wait_for_tick {	4144	sub wait_for_tick() {
3329	return unless $TICK_WATCHER->is_active;	4145	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3330	return if $Coro::current == $Coro::main;
3331		4146
3332	my $signal = new Coro::Signal;	4147	$WAIT_FOR_TICK->wait;
3333	push @WAIT_FOR_TICK, $signal;
3334	$signal->wait;
3335	}	4148	}
3336		4149
3337	sub wait_for_tick_begin {	4150	sub wait_for_tick_begin() {
3338	return unless $TICK_WATCHER->is_active;	4151	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3339	return if $Coro::current == $Coro::main;
3340		4152
3341	my $signal = new Coro::Signal;	4153	my $signal = new Coro::Signal;
3342	push @WAIT_FOR_TICK_BEGIN, $signal;	4154	push @WAIT_FOR_TICK_BEGIN, $signal;
3343	$signal->wait;	4155	$signal->wait;
3344	}	4156	}
3345		4157
3346	my $min = 1e6;#d#	4158	sub tick {
3347	my $avg = 10;
3348	$TICK_WATCHER = Event->timer (
3349	reentrant => 0,
3350	parked => 1,
3351	prio => 0,
3352	at => $NEXT_TICK || $TICK,
3353	data => WF_AUTOCANCEL,
3354	cb => sub {
3355	if ($Coro::current != $Coro::main) {	4159	if ($Coro::current != $Coro::main) {
3356	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4160	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3357	unless ++$bug_warning > 10;	4161	unless ++$bug_warning > 10;
3358	return;	4162	return;
3359	}	4163	}
3360		4164
3361	$NOW = $tick_start = Event::time;	4165	cf::one_tick; # one server iteration
3362		4166
3363	cf::server_tick; # one server iteration	4167	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3364		4168
3365	0 && sync_job {#d#	4169	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3366	for(1..10) {	4170	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3367	my $t = Event::time;	4171	Coro::async_pool {
3368	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4172	$Coro::current->{desc} = "runtime saver";
3369	or die;	4173	write_runtime_sync
3370		4174	or error "ERROR: unable to write runtime file: $!";
3371	$map->width (50);
3372	$map->height (50);
3373	$map->alloc;
3374	$map->_load_objects ("/tmp/x.map", 1);
3375	my $t = Event::time - $t;
3376
3377	#next unless $t < 0.0013;#d#
3378	if ($t < $min) {
3379	$min = $t;
3380	}
3381	$avg = $avg * 0.99 + $t * 0.01;
3382	}
3383	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3384	exit 0;
3385	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3386	};	4175	};
		4176	}
3387		4177
3388	$RUNTIME += $TICK;
3389	$NEXT_TICK += $TICK;
3390
3391	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3392	$NEXT_RUNTIME_WRITE = $NOW + 10;
3393	Coro::async_pool {
3394	write_runtime
3395	or warn "ERROR: unable to write runtime file: $!";
3396	};
3397	}
3398
3399	# my $AFTER = Event::time;
3400	# warn $AFTER - $NOW;#d#
3401
3402	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4178	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3403	$sig->send;	4179	$sig->send;
3404	}	4180	}
3405	while (my $sig = shift @WAIT_FOR_TICK) {	4181	$WAIT_FOR_TICK->broadcast;
3406	$sig->send;
3407	}
3408		4182
3409	$NOW = Event::time;	4183	$LOAD = ($NOW - $TICK_START) / $TICK;
3410
3411	# if we are delayed by four ticks or more, skip them all
3412	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3413
3414	$TICK_WATCHER->at ($NEXT_TICK);
3415	$TICK_WATCHER->start;
3416
3417	$LOAD = ($NOW - $tick_start) / $TICK;
3418	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4184	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3419		4185
3420	_post_tick;	4186	if (0) {
3421		4187	if ($NEXT_TICK) {
3422		4188	my $jitter = $TICK_START - $NEXT_TICK;
		4189	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4190	debug "jitter $JITTER\n";#d#
		4191	}
3423	},	4192	}
3424	);	4193	}
3425		4194
3426	{	4195	{
3427	BDB::max_poll_time $TICK * 0.1;	4196	# configure BDB
3428	$BDB_POLL_WATCHER = Event->io (	4197
3429	reentrant => 0,
3430	fd => BDB::poll_fileno,
3431	poll => 'r',
3432	prio => 0,
3433	data => WF_AUTOCANCEL,
3434	cb => \&BDB::poll_cb,
3435	);
3436	BDB::min_parallel 8;	4198	BDB::min_parallel 16;
3437		4199	BDB::max_poll_reqs $TICK * 0.1;
3438	BDB::set_sync_prepare {	4200	#$AnyEvent::BDB::WATCHER->priority (1);
3439	my $status;
3440	my $current = $Coro::current;
3441	(
3442	sub {
3443	$status = $!;
3444	$current->ready; undef $current;
3445	},
3446	sub {
3447	Coro::schedule while defined $current;
3448	$! = $status;
3449	},
3450	)
3451	};
3452		4201
3453	unless ($DB_ENV) {	4202	unless ($DB_ENV) {
3454	$DB_ENV = BDB::db_env_create;	4203	$DB_ENV = BDB::db_env_create;
		4204	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4205	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4206	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4207	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4208	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3455		4209
3456	cf::sync_job {	4210	cf::sync_job {
3457	eval {	4211	eval {
3458	BDB::db_env_open	4212	BDB::db_env_open
3459	$DB_ENV,	4213	$DB_ENV,
…		…
3461	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4215	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3462	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4216	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3463	0666;	4217	0666;
3464		4218
3465	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4219	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3466
3467	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3468	$DB_ENV->set_lk_detect;
3469	};	4220	};
3470		4221
3471	cf::cleanup "db_env_open(db): $@" if $@;	4222	cf::cleanup "db_env_open(db): $@" if $@;
3472	};	4223	};
3473	}	4224	}
		4225
		4226	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4227	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4228	};
		4229	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4230	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4231	};
		4232	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4233	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4234	};
3474	}	4235	}
3475		4236
3476	{	4237	{
		4238	# configure IO::AIO
		4239
3477	IO::AIO::min_parallel 8;	4240	IO::AIO::min_parallel 8;
3478
3479	undef $Coro::AIO::WATCHER;
3480	IO::AIO::max_poll_time $TICK * 0.1;	4241	IO::AIO::max_poll_time $TICK * 0.1;
3481	$AIO_POLL_WATCHER = Event->io (	4242	undef $AnyEvent::AIO::WATCHER;
3482	reentrant => 0,
3483	data => WF_AUTOCANCEL,
3484	fd => IO::AIO::poll_fileno,
3485	poll => 'r',
3486	prio => 6,
3487	cb => \&IO::AIO::poll_cb,
3488	);
3489	}	4243	}
3490		4244
3491	my $_log_backtrace;	4245	our $_log_backtrace;
		4246	our $_log_backtrace_last;
3492		4247
3493	sub _log_backtrace {	4248	sub _log_backtrace {
3494	my ($msg, @addr) = @_;	4249	my ($msg, @addr) = @_;
3495		4250
3496	$msg =~ s/\n//;	4251	$msg =~ s/\n$//;
3497		4252
		4253	if ($_log_backtrace_last eq $msg) {
		4254	LOG llevInfo, "[ABT] $msg\n";
		4255	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3498	# limit the # of concurrent backtraces	4256	# limit the # of concurrent backtraces
3499	if ($_log_backtrace < 2) {	4257	} elsif ($_log_backtrace < 2) {
		4258	$_log_backtrace_last = $msg;
3500	++$_log_backtrace;	4259	++$_log_backtrace;
		4260	my $perl_bt = Carp::longmess $msg;
3501	async {	4261	async {
		4262	$Coro::current->{desc} = "abt $msg";
		4263
3502	my @bt = fork_call {	4264	my @bt = fork_call {
3503	@addr = map { sprintf "%x", $_ } @addr;	4265	@addr = map { sprintf "%x", $_ } @addr;
3504	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4266	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3505	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4267	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3506	or die "addr2line: $!";	4268	or die "addr2line: $!";
…		…
3514	}	4276	}
3515		4277
3516	@funcs	4278	@funcs
3517	};	4279	};
3518		4280
3519	LOG llevInfo, "[ABT] $msg\n";	4281	LOG llevInfo, "[ABT] $perl_bt\n";
		4282	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3520	LOG llevInfo, "[ABT] $_\n" for @bt;	4283	LOG llevInfo, "[ABT] $_\n" for @bt;
3521	--$_log_backtrace;	4284	--$_log_backtrace;
3522	};	4285	};
3523	} else {	4286	} else {
3524	LOG llevInfo, "[ABT] $msg\n";	4287	LOG llevInfo, "[ABT] $msg\n";
3525	LOG llevInfo, "[ABT] [suppressed]\n";	4288	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3526	}	4289	}
3527	}	4290	}
3528		4291
3529	# load additional modules	4292	# load additional modules
3530	use cf::pod;	4293	require "cf/$_.pm" for @EXTRA_MODULES;
		4294	cf::_connect_to_perl_2;
3531		4295
3532	END { cf::emergency_save }	4296	END { cf::emergency_save }
3533		4297
3534	1	4298	1
3535		4299

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