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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.367 by root, Wed Sep 12 11:10:11 2007 UTC vs.
Revision 1.584 by root, Tue Oct 30 17:07:50 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;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
84	our $BDB_POLL_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
85	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
86	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
87	our $DB_ENV;	129	our $DB_ENV;
88		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
89	our %CFG;	133	our %CFG;
		134	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
90		135
91	our $UPTIME; $UPTIME ||= time;	136	our $UPTIME; $UPTIME ||= time;
92	our $RUNTIME;	137	our $RUNTIME = 0;
		138	our $SERVER_TICK = 0;
		139	our $NOW;
93		140
94	our (%PLAYER, %PLAYER_LOADING); # all users	141	our (%PLAYER, %PLAYER_LOADING); # all users
95	our (%MAP, %MAP_LOADING ); # all maps	142	our (%MAP, %MAP_LOADING ); # all maps
96	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
97		144
98	# 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 ∕
99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
100		147
101	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)
102	our $LOADAVG; # same thing, but with alpha-smoothing	149	our $LOADAVG; # same thing, but with alpha-smoothing
		150	our $JITTER; # average jitter
103	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 $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
104		160
105	binmode STDOUT;	161	binmode STDOUT;
106	binmode STDERR;	162	binmode STDERR;
107		163
108	# read virtual server time, if available	164	# read virtual server time, if available
109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
110	open my $fh, "<", "$LOCALDIR/runtime"	166	open my $fh, "<", $RUNTIMEFILE
111	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
112	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
113	}	169	}
		170
		171	eval "sub TICK() { $TICK } 1" or die;
114		172
115	mkdir $_	173	mkdir $_
116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
117		175
118	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
119		177
120	sub cf::map::normalise;	178	sub cf::map::normalise;
121		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
122	#############################################################################	184	#############################################################################
123		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
124	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
125		198
126	=over 4	199	=over 4
127		200
128	=item $cf::UPTIME	201	=item $cf::UPTIME
129		202
130	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.
131		219
132	=item $cf::RUNTIME	220	=item $cf::RUNTIME
133		221
134	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
135	every server tick.	223	every server tick.
…		…
141	Various directories - "/etc", read-only install directory, perl-library	229	Various directories - "/etc", read-only install directory, perl-library
142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
143	unique-items directory, player file directory, random maps directory and	231	unique-items directory, player file directory, random maps directory and
144	database environment.	232	database environment.
145		233
146	=item $cf::NOW
147
148	The time of the last (current) server tick.
149
150	=item $cf::TICK
151
152	The interval between server ticks, in seconds.
153
154	=item $cf::LOADAVG	234	=item $cf::LOADAVG
155		235
156	The current CPU load on the server (alpha-smoothed), as a value between 0	236	The current CPU load on the server (alpha-smoothed), as a value between 0
157	(none) and 1 (overloaded), indicating how much time is spent on processing	237	(none) and 1 (overloaded), indicating how much time is spent on processing
158	objects per tick. Healthy values are < 0.5.	238	objects per tick. Healthy values are < 0.5.
…		…
161		241
162	The raw value load value from the last tick.	242	The raw value load value from the last tick.
163		243
164	=item %cf::CFG	244	=item %cf::CFG
165		245
166	Configuration for the server, loaded from C</etc/crossfire/config>, or	246	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
167	from wherever your confdir points to.	247	from wherever your confdir points to.
168		248
169	=item cf::wait_for_tick, cf::wait_for_tick_begin	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
170		250
171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
172	returns directly I<after> the tick processing (and consequently, can only wake one process	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
174		254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$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
175	=item @cf::INVOKE_RESULTS	272	=item @cf::INVOKE_RESULTS
176		273
177	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
178	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
179	that call.	276	that call.
180		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
181	=back	284	=back
182		285
183	=cut	286	=cut
184		287
185	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
186	*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 {
187	my $msg = join "", @_;	295	my $msg = join "", @_;
188		296
189	$msg .= "\n"	297	$msg .= "\n"
190	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
191		299
192	$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;
193		301
194	LOG llevError, $msg;	302	LOG llevWarn, $msg;
195	};	303	};
196	}	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	};
197		318
198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
208	for my $pkg (qw(	329	for my $pkg (qw(
209	cf::global cf::attachable	330	cf::global cf::attachable
210	cf::object cf::object::player	331	cf::object cf::object::player
211	cf::client cf::player	332	cf::client cf::player
212	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
213	cf::map cf::party cf::region	335	cf::party cf::region
214	)) {	336	)) {
215	no strict 'refs';
216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
217	}	338	}
218		339
219	$Event::DIED = sub {	340	$EV::DIED = sub {
220	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
221	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
222		348
223	#############################################################################	349	#############################################################################
224		350
225	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
226		352
…		…
247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
248	$d	374	$d
249	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
250	}	376	}
251		377
		378	=item $scalar = cf::load_file $path
		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($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
252	=item $ref = cf::from_json $json	430	=item $ref = cf::decode_json $json
253		431
254	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
255		433
256	=item $json = cf::to_json $ref	434	=item $json = cf::encode_json $ref
257		435
258	Converts a perl data structure into its JSON representation.	436	Converts a perl data structure into its JSON representation.
259		437
260	=cut	438	=cut
261		439
262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
263		441
264	sub to_json ($) { $json_coder->encode ($_[0]) }	442	sub encode_json($) { $json_coder->encode ($_[0]) }
265	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	}
266		506
267	=item cf::lock_wait $string	507	=item cf::lock_wait $string
268		508
269	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
270		510
271	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
272		512
273	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
274	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,
275	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
276	returned.	516	returned.
277		517
278	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
279	deadlocked coro.	519	deadlocked coro.
…		…
285		525
286	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.
287		527
288	=cut	528	=cut
289		529
290	our %LOCK;	530	our $LOCKS = new Coro::SemaphoreSet;
291	our %LOCKER;#d#
292		531
293	sub lock_wait($) {	532	sub lock_wait($) {
294	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
295
296	if ($LOCKER{$key} == $Coro::current) {#d#
297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
298	return;#d#
299	}#d#
300
301	# wait for lock, if any
302	while ($LOCK{$key}) {
303	push @{ $LOCK{$key} }, $Coro::current;
304	Coro::schedule;
305	}
306	}	534	}
307		535
308	sub lock_acquire($) {	536	sub lock_acquire($) {
309	my ($key) = @_;	537	$LOCKS->guard ($_[0])
310
311	# wait, to be sure we are not locked
312	lock_wait $key;
313
314	$LOCK{$key} = [];
315	$LOCKER{$key} = $Coro::current;#d#
316
317	Coro::guard {
318	delete $LOCKER{$key};#d#
319	# wake up all waiters, to be on the safe side
320	$_->ready for @{ delete $LOCK{$key} };
321	}
322	}	538	}
323		539
324	sub lock_active($) {	540	sub lock_active($) {
325	my ($key) = @_;	541	$LOCKS->count ($_[0]) < 1
326
327	! ! $LOCK{$key}
328	}	542	}
329		543
330	sub freeze_mainloop {	544	sub freeze_mainloop {
331	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
332		546
333	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
334	$TICK_WATCHER->start;	548	}
335	};	549
336	$TICK_WATCHER->stop;	550	=item cf::periodic $interval, $cb
337	$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
338	}	563	}
339		564
340	=item cf::get_slot $time[, $priority[, $name]]	565	=item cf::get_slot $time[, $priority[, $name]]
341		566
342	Allocate $time seconds of blocking CPU time at priority C<$priority>:	567	Allocate $time seconds of blocking CPU time at priority C<$priority>
343	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
344	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.
345		574
346	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
347	used for statistical purposes and should identify the same time-class.	576	used for statistical purposes and should identify the same time-class.
348		577
349	Useful for short background jobs.	578	Useful for short background jobs.
350		579
351	=cut	580	=cut
352		581
353	our @SLOT_QUEUE;	582	our @SLOT_QUEUE;
354	our $SLOT_QUEUE;	583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
355		585
356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
357	$SLOT_QUEUE = Coro::async {	587	$SLOT_QUEUE = Coro::async {
		588	$Coro::current->desc ("timeslot manager");
		589
358	my $signal = new Coro::Signal;	590	my $signal = new Coro::Signal;
		591	my $busy;
359		592
360	while () {	593	while () {
361	next_job:	594	next_job:
		595
362	my $avail = cf::till_tick;	596	my $avail = cf::till_tick;
363	if ($avail > 0.01) {	597
364	for (0 .. $#SLOT_QUEUE) {	598	for (0 .. $#SLOT_QUEUE) {
365	if ($SLOT_QUEUE[$_][0] < $avail) {	599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
366	my $job = splice @SLOT_QUEUE, $_, 1, ();	601	my $job = splice @SLOT_QUEUE, $_, 1, ();
367	$job->[2]->send;	602	$job->[2]->send;
368	Coro::cede;	603	Coro::cede;
369	goto next_job;	604	goto next_job;
370	}	605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
371	}	607	}
372	}	608	}
373		609
374	if (@SLOT_QUEUE) {	610	if (@SLOT_QUEUE) {
375	# 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
376	push @cf::WAIT_FOR_TICK, $signal;	612	$WAIT_FOR_TICK->wait;
377	$signal->wait;
378	} else {	613	} else {
		614	$busy = 0;
379	Coro::schedule;	615	Coro::schedule;
380	}	616	}
381	}	617	}
382	};	618	};
383		619
384	sub get_slot($;$$) {	620	sub get_slot($;$$) {
		621	return if tick_inhibit || $Coro::current == $Coro::main;
		622
385	my ($time, $pri, $name) = @_;	623	my ($time, $pri, $name) = @_;
386		624
387	$time = $TICK * .6 if $time > $TICK * .6;	625	$time = clamp $time, 0.01, $TICK * .6;
		626
388	my $sig = new Coro::Signal;	627	my $sig = new Coro::Signal;
389		628
390	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	629	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
391	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	630	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
392	$SLOT_QUEUE->ready;	631	$SLOT_QUEUE->ready;
…		…
403		642
404	BEGIN { *async = \&Coro::async_pool }	643	BEGIN { *async = \&Coro::async_pool }
405		644
406	=item cf::sync_job { BLOCK }	645	=item cf::sync_job { BLOCK }
407		646
408	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	647	The design of Deliantra requires that the main coroutine ($Coro::main)
409	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
410	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
411	acceptable.	650	acceptable.
412		651
413	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
414	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
…		…
418	=cut	657	=cut
419		658
420	sub sync_job(&) {	659	sub sync_job(&) {
421	my ($job) = @_;	660	my ($job) = @_;
422		661
423	if ($Coro::current == $Coro::main) {	662	if (in_main) {
424	my $time = Event::time;	663	my $time = AE::time;
425		664
426	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
427	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
428		667
429	# TODO: use suspend/resume instead	668	#LOG llevError, Carp::longmess "sync job";#d#
430	# (but this is cancel-safe)	669
431	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
432		671
433	my $busy = 1;	672	my $busy = 1;
434	my @res;	673	my @res;
435		674
436	(async {	675	(async {
		676	$Coro::current->desc ("sync job coro");
437	@res = eval { $job->() };	677	@res = eval { $job->() };
438	warn $@ if $@;	678	error $@ if $@;
439	undef $busy;	679	undef $busy;
440	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
441		681
442	while ($busy) {	682	while ($busy) {
443	Coro::cede or Event::one_event;	683	if (Coro::nready) {
		684	Coro::cede_notself;
		685	} else {
		686	EV::loop EV::LOOP_ONESHOT;
444	}	687	}
		688	}
445		689
446	$time = Event::time - $time;	690	my $time = AE::time - $time;
447		691
448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
450
451	$tick_start += $time; # do not account sync jobs to server load	692	$TICK_START += $time; # do not account sync jobs to server load
452		693
453	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
454	} else {	695	} else {
455	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
456		697
…		…
476	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
477		718
478	$coro	719	$coro
479	}	720	}
480		721
481	=item fork_call { }, $args	722	=item fork_call { }, @args
482		723
483	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
484	process, returning the results. Everything must be serialisable with	725	process, returning the results. Everything must be serialisable with
485	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
486	never block itself or use any form of Event handling.	727	never block itself or use any form of event handling.
487		728
488	=cut	729	=cut
		730
		731	sub post_fork {
		732	reset_signals;
		733	}
489		734
490	sub fork_call(&@) {	735	sub fork_call(&@) {
491	my ($cb, @args) = @_;	736	my ($cb, @args) = @_;
492		737
493	# 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,
494	# otherwise perl prematurely frees the stuff :/	739	# otherwise perl prematurely frees the stuff :/
495	# TODO: investigate and fix (likely this will be rather laborious)	740	# TODO: investigate and fix (likely this will be rather laborious)
496		741
497	my @res = Coro::Util::fork_eval {	742	my @res = Coro::Util::fork_eval {
498	reset_signals;	743	cf::post_fork;
499	&$cb	744	&$cb
500	}, @args;	745	} @args;
501		746
502	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
503	}	786	}
504		787
505	=item $value = cf::db_get $family => $key	788	=item $value = cf::db_get $family => $key
506		789
507	Returns a single value from the environment database.	790	Returns a single value from the environment database.
…		…
517	within each server.	800	within each server.
518		801
519	=cut	802	=cut
520		803
521	sub db_table($) {	804	sub db_table($) {
		805	cf::error "db_get called from main context"
		806	if $Coro::current == $Coro::main;
		807
522	my ($name) = @_;	808	my ($name) = @_;
523	my $db = BDB::db_create $DB_ENV;	809	my $db = BDB::db_create $DB_ENV;
524		810
525	eval {	811	eval {
526	$db->set_flags (BDB::CHKSUM);	812	$db->set_flags (BDB::CHKSUM);
…		…
536	}	822	}
537		823
538	our $DB;	824	our $DB;
539		825
540	sub db_init {	826	sub db_init {
541	cf::sync_job {
542	$DB ||= db_table "db";	827	$DB ||= db_table "db";
543	};
544	}	828	}
545		829
546	sub db_get($$) {	830	sub db_get($$) {
547	my $key = "$_[0]/$_[1]";	831	my $key = "$_[0]/$_[1]";
548		832
549	cf::sync_job {	833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
550	BDB::db_get $DB, undef, $key, my $data;	836	BDB::db_get $DB, undef, $key, my $data;
551		837
552	$! ? ()	838	$! ? ()
553	: $data	839	: $data
554	}
555	}	840	}
556		841
557	sub db_put($$$) {	842	sub db_put($$$) {
558	BDB::dbreq_pri 4;	843	BDB::dbreq_pri 4;
559	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
587		872
588	my @data;	873	my @data;
589	my $md5;	874	my $md5;
590		875
591	for (0 .. $#$src) {	876	for (0 .. $#$src) {
592	0 <= aio_load $src->[$_], $data[$_]	877	$data[$_] = load_file $src->[$_];
593	or Carp::croak "$src->[$_]: $!";
594	}	878	}
595		879
596	# if processing is expensive, check	880	# if processing is expensive, check
597	# checksum first	881	# checksum first
598	if (1) {	882	if (1) {
…		…
615		899
616	my $t1 = Time::HiRes::time;	900	my $t1 = Time::HiRes::time;
617	my $data = $process->(\@data);	901	my $data = $process->(\@data);
618	my $t2 = Time::HiRes::time;	902	my $t2 = Time::HiRes::time;
619		903
620	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
621		905
622	db_put cache => "$id/data", $data;	906	db_put cache => "$id/data", $data;
623	db_put cache => "$id/md5" , $md5;	907	db_put cache => "$id/md5" , $md5;
624	db_put cache => "$id/meta", $meta;	908	db_put cache => "$id/meta", $meta;
625		909
…		…
635		919
636	=cut	920	=cut
637		921
638	sub datalog($@) {	922	sub datalog($@) {
639	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
640	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
641	}	925	}
642		926
643	=back	927	=back
644		928
645	=cut	929	=cut
646		930
647	#############################################################################	931	#############################################################################
648		932
649	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
650		934
651	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
652	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")
653	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
654		938
655	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>
656	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
657	Crossfire TRT).	941	Deliantra).
658		942
659	=over 4	943	=over 4
660		944
661	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
662		946
…		…
706	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
707		991
708	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
709	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
710		994
711	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
712	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.
713		997
714	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
715		999
716	=over 4	1000	=over 4
…		…
840		1124
841	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
842	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
843		1127
844	} elsif (ref $type) {	1128	} elsif (ref $type) {
845	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
846		1130
847	} else {	1131	} else {
848	shift @arg;	1132	shift @arg;
849	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
850	}	1134	}
851	}	1135	}
852	}	1136	}
853		1137
854	sub _object_attach {	1138	sub _object_attach {
…		…
864	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
865	}	1149	}
866		1150
867	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
868	} else {	1152	} else {
869	warn "object uses attachment '$name' which is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
870	}	1154	}
871		1155
872	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
873	}	1157	}
874		1158
…		…
933		1217
934	for (@$callbacks) {	1218	for (@$callbacks) {
935	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
936		1220
937	if ($@) {	1221	if ($@) {
938	warn "$@";
939	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
940	override;	1223	override;
941	}	1224	}
942		1225
943	return 1 if $override;	1226	return 1 if $override;
944	}	1227	}
945		1228
946	0	1229	0
947	}	1230	}
948		1231
949	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
950		1233
951	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
952		1235
953	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
954		1237
…		…
960		1243
961	=cut	1244	=cut
962		1245
963	#############################################################################	1246	#############################################################################
964	# object support	1247	# object support
965	#
966		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#
967	sub _can_merge {	1282	sub _can_merge {
968	my ($ob1, $ob2) = @_;	1283	my ($ob1, $ob2) = @_;
969		1284
970	local $Storable::canonical = 1;	1285	++$SLOW_MERGES;#d#
971	my $fob1 = Storable::freeze $ob1;
972	my $fob2 = Storable::freeze $ob2;
973		1286
974	$fob1 eq $fob2	1287	# we do the slow way here
		1288	return _object_equal $ob1, $ob2
975	}	1289	}
976		1290
977	sub reattach {	1291	sub reattach {
978	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
979	my ($obj) = @_;	1293	my ($obj) = @_;
980		1294
		1295	# no longer needed after getting rid of delete_package?
981	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
982		1297
983	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
984		1299
985	@$registry = ();	1300	@$registry = ();
986		1301
…		…
991	for (@$attach) {	1306	for (@$attach) {
992	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
993	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
994	}	1309	}
995	} else {	1310	} else {
996	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
997	}	1312	}
998	}	1313	}
999	}	1314	}
1000		1315
1001	cf::attachable->attach (	1316	cf::attachable->attach (
1002	prio => -1000000,	1317	prio => -1000000,
1003	on_instantiate => sub {	1318	on_instantiate => sub {
1004	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
1005		1320
1006	$data = from_json $data;	1321	$data = decode_json $data;
1007		1322
1008	for (@$data) {	1323	for (@$data) {
1009	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
1010		1325
1011	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
1025	);	1340	);
1026		1341
1027	sub object_freezer_save {	1342	sub object_freezer_save {
1028	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
1029		1344
1030	my $guard = cf::lock_acquire "io";
1031
1032	sync_job {	1345	sync_job {
1033	if (length $$rdata) {	1346	if (length $$rdata) {
1034	utf8::decode (my $decname = $filename);	1347	utf8::decode (my $decname = $filename);
1035	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
1036	$decname, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
1037		1351
1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1039	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1041	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	}
1042	close $fh;	1359	aio_close $fh;
1043		1360
1044	if (@$objs) {	1361	if (@$objs) {
1045	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) {
1046	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
1047	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1048	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
1049	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	}
1050	close $fh;	1370	aio_close $fh;
1051	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
1052	}	1372	}
1053	} else {	1373	} else {
1054	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
1055	}	1375	}
1056		1376
1057	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
1058	} else {	1381	} else {
1059	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
1060	}	1383	}
1061	} else {	1384	} else {
1062	aio_unlink $filename;	1385	aio_unlink $filename;
1063	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
1064	}	1387	}
1065	};	1388	};
1066
1067	undef $guard;
1068	}	1389	}
1069		1390
1070	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
1071	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
1072		1393
…		…
1077		1398
1078	sub object_thawer_load {	1399	sub object_thawer_load {
1079	my ($filename) = @_;	1400	my ($filename) = @_;
1080		1401
1081	my ($data, $av);	1402	my ($data, $av);
1082
1083	my $guard = cf::lock_acquire "io";
1084		1403
1085	(aio_load $filename, $data) >= 0	1404	(aio_load $filename, $data) >= 0
1086	or return;	1405	or return;
1087		1406
1088	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
1089	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
1090	or return;	1409	or return;
1091		1410
1092	undef $guard;
1093	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
1094	}	1413	}
1095		1414
1096	utf8::decode (my $decname = $filename);	1415	utf8::decode (my $decname = $filename);
1097	warn sprintf "loading %s (%d,%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
1098	$decname, length $data, scalar @{$av || []};	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
1099		1419
1100	($data, $av)	1420	($data, $av)
1101	}	1421	}
1102		1422
1103	=head2 COMMAND CALLBACKS	1423	=head2 COMMAND CALLBACKS
…		…
1159	my ($name, $cb) = @_;	1479	my ($name, $cb) = @_;
1160		1480
1161	$EXTICMD{$name} = $cb;	1481	$EXTICMD{$name} = $cb;
1162	}	1482	}
1163		1483
		1484	use File::Glob ();
		1485
1164	cf::player->attach (	1486	cf::player->attach (
1165	on_command => sub {	1487	on_unknown_command => sub {
1166	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
1167		1489
1168	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
1169	or return;	1491	or return;
1170		1492
…		…
1178	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
1179		1501
1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1181		1503
1182	if (ref $msg) {	1504	if (ref $msg) {
1183	my ($type, $reply, @payload) =	1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1184	"ARRAY" eq ref $msg
1185	? @$msg
1186	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1187		1506
1188	my @reply;	1507	my @reply;
1189		1508
1190	if (my $cb = $EXTCMD{$type}) {	1509	if (my $cb = $EXTCMD{$type}) {
1191	@reply = $cb->($pl, @payload);	1510	@reply = $cb->($pl, @payload);
…		…
1193		1512
1194	$pl->ext_reply ($reply, @reply)	1513	$pl->ext_reply ($reply, @reply)
1195	if $reply;	1514	if $reply;
1196		1515
1197	} else {	1516	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1518	}
1200		1519
1201	cf::override;	1520	cf::override;
1202	},	1521	},
1203	);	1522	);
1204		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
1205	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
1206	cf::sync_job {	1553	cf::sync_job {
1207	my %todo;	1554	my %todo;
1208		1555
1209	for my $path (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
1210	next unless -r $path;	1557	next unless -r $path;
…		…
1228		1575
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1578
1232	$ext{source} =	1579	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1580	"package $pkg; use common::sense;\n"
1234	. "#line 1 \"$path\"\n{\n"	1581	. "#line 1 \"$path\"\n{\n"
1235	. $source	1582	. $source
1236	. "\n};\n1";	1583	. "\n};\n1";
1237		1584
1238	$todo{$base} = \%ext;	1585	$todo{$base} = \%ext;
1239	}	1586	}
1240		1587
		1588	my $pass = 0;
1241	my %done;	1589	my %done;
1242	while (%todo) {	1590	while (%todo) {
1243	my $progress;	1591	my $progress;
1244		1592
		1593	++$pass;
		1594
		1595	ext:
1245	while (my ($k, $v) = each %todo) {	1596	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1597	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1598	next ext
1248	unless exists $done{$_};	1599	unless exists $done{$_};
1249	}	1600	}
1250		1601
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1603
1253	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 $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1616	error "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";
1256		1617
		1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1619	if exists $v->{meta}{mandatory};
1258	warn $msg;	1620
1259	warn "mandatory extension failed to load, exiting.\n";	1621	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260	exit 1;	1622	delete $todo{$k};
1261	}	1623	} else {
1262		1624	$done{$k} = delete $todo{$k};
1263	warn $msg;	1625	push @EXTS, $v->{pkg};
		1626	$progress = 1;
		1627
		1628	info "$v->{base}: extension inactive.\n"
		1629	unless $active;
1264	}	1630	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1631	}
1270		1632
1271	skip:	1633	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	unless $progress;	1635
		1636	while (my ($k, $v) = each %todo) {
		1637	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1638	if exists $v->{meta}{mandatory};
		1639	}
		1640
		1641	last;
		1642	}
1274	}	1643	}
1275	};	1644	};
1276	}	1645	}
1277		1646
1278	#############################################################################	1647	#############################################################################
1279		1648
1280	=back	1649	=back
1281		1650
1282	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
1283		1652
1284	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
1285		1654
1286	=cut	1655	=cut
1287		1656
1288	package cf::player;	1657	package cf::player;
1289		1658
…		…
1332		1701
1333	sub exists($) {	1702	sub exists($) {
1334	my ($login) = @_;	1703	my ($login) = @_;
1335		1704
1336	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1337	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1338	}	1707	}
1339		1708
1340	sub find($) {	1709	sub find($) {
1341	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1342	my $login = $_[0];	1711	my $login = $_[0];
…		…
1352	aio_unlink +(playerdir $login) . "/$login.pl";	1721	aio_unlink +(playerdir $login) . "/$login.pl";
1353		1722
1354	my $f = new_from_file cf::object::thawer path $login	1723	my $f = new_from_file cf::object::thawer path $login
1355	or return;	1724	or return;
1356		1725
1357	$f->next;
1358	my $pl = cf::player::load_pl $f	1726	my $pl = cf::player::load_pl $f
1359	or return;	1727	or return;
		1728
1360	local $cf::PLAYER_LOADING{$login} = $pl;	1729	local $cf::PLAYER_LOADING{$login} = $pl;
1361	$f->resolve_delayed_derefs;	1730	$f->resolve_delayed_derefs;
1362	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1363	}	1732	}
1364	}	1733	}
1365	}	1734	}
1366		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($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	);
		1748
1367	sub save($) {	1749	sub save($) {
1368	my ($pl) = @_;	1750	my ($pl) = @_;
1369		1751
1370	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
1371		1753
…		…
1374		1756
1375	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1376		1758
1377	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1378	$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];
1379		1766
1380	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1381	cf::cede_to_tick;	1768	cf::cede_to_tick;
1382	}	1769	}
1383		1770
…		…
1415	my ($pl) = @_;	1802	my ($pl) = @_;
1416		1803
1417	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1418		1805
1419	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1420	$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
1421		1808
1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1423	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1424	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1425	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1426		1817
1427	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1428	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1429	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1467		1858
1468	for my $login (@$dirs) {	1859	for my $login (@$dirs) {
1469	my $path = path $login;	1860	my $path = path $login;
1470		1861
1471	# a .pst is a dead give-away for a valid player	1862	# a .pst is a dead give-away for a valid player
1472	unless (-e "$path.pst") {	1863	# if no pst file found, open and chekc for blocked users
		1864	if (aio_stat "$path.pst") {
1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1474	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1475	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
1476	}	1868	}
1477		1869
…		…
1481		1873
1482	\@logins	1874	\@logins
1483	}	1875	}
1484		1876
1485	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1486		1880
1487	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1488	player. May block.	1882	player. May block.
1489		1883
1490	=cut	1884	=cut
…		…
1508	}	1902	}
1509		1903
1510	\@paths	1904	\@paths
1511	}	1905	}
1512		1906
1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1514		1908
1515	Expand crossfire pod fragments into protocol xml.	1909	Expand deliantra pod fragments into protocol xml.
1516
1517	=cut
1518
1519	sub expand_cfpod {
1520	((my $self), (local $_)) = @_;
1521
1522	# escape & and <
1523	s/&/&amp;/g;
1524	s/(?<![BIUGHT])</&lt;/g;
1525
1526	# this is buggy, it needs to properly take care of nested <'s
1527
1528	1 while
1529	# replace B<>, I<>, U<> etc.
1530	s/B<([^\>]*)>/<b>$1<\/b>/
1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1534	# replace G<male|female> tags
1535	|| s{G<([^>|]*)\|([^>]*)>}{
1536	$self->gender ? $2 : $1
1537	}ge
1538	# replace H<hint text>
1539	|| s{H<([^\>]*)>}
1540	{
1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1543	"")
1544	[$self->{hintmode}]
1545	}ge;
1546
1547	# create single paragraphs (very hackish)
1548	s/(?<=\S)\n(?=\w)/ /g;
1549
1550	# compress some whitespace
1551	s/\s+\n/\n/g; # ws line-ends
1552	s/\n\n+/\n/g; # double lines
1553	s/^\n+//; # beginning lines
1554	s/\n+$//; # ending lines
1555
1556	$_
1557	}
1558
1559	sub hintmode {
1560	$_[0]{hintmode} = $_[1] if @_ > 1;
1561	$_[0]{hintmode}
1562	}
1563		1910
1564	=item $player->ext_reply ($msgid, @msg)	1911	=item $player->ext_reply ($msgid, @msg)
1565		1912
1566	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1567		1914
…		…
1599		1946
1600	=cut	1947	=cut
1601		1948
1602	sub find_by_path($) {	1949	sub find_by_path($) {
1603	my ($path) = @_;	1950	my ($path) = @_;
		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
1604		1953
1605	my ($match, $specificity);	1954	my ($match, $specificity);
1606		1955
1607	for my $region (list) {	1956	for my $region (list) {
1608	if ($region->{match} && $path =~ $region->{match}) {	1957	if ($region->{match} && $path =~ $region->{match}) {
…		…
1634	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1635	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1636		1985
1637	sub generate_random_map {	1986	sub generate_random_map {
1638	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1639	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1640	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1644	$rmp->{exit_on_final_map},
1645	$rmp->{xsize}, $rmp->{ysize},
1646	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1647	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1648	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1649	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1650	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1651	(cf::region::find $rmp->{region}), $rmp->{custom}
1652	)
1653	}	1992	}
1654		1993
1655	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1656		1995
1657	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
…		…
1662		2001
1663	sub register {	2002	sub register {
1664	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1665	my $pkg = caller;	2004	my $pkg = caller;
1666		2005
1667	no strict;
1668	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1669		2007
1670	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1671	}	2009	}
1672		2010
1673	# also paths starting with '/'	2011	# also paths starting with '/'
1674	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1675		2013
1676	sub thawer_merge {	2014	sub thawer_merge {
1677	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1678		2016
1679	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
…		…
1684	}	2022	}
1685		2023
1686	sub normalise {	2024	sub normalise {
1687	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1688		2026
1689	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1690		2028
1691	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1692		2030
1693	# map plan:	2031	# map plan:
1694	#	2032	#
…		…
1709	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1710	$path = "$base/$path";	2048	$path = "$base/$path";
1711	}	2049	}
1712		2050
1713	for ($path) {	2051	for ($path) {
1714	redo if s{//}{/};
1715	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1716	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1717	}	2054	}
1718		2055
1719	$path	2056	$path
…		…
1733	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1734	return $self;	2071	return $self;
1735	}	2072	}
1736	}	2073	}
1737		2074
1738	Carp::cluck "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1739	()	2076	()
1740	}	2077	}
1741		2078
		2079	# may re-bless or do other evil things
1742	sub init {	2080	sub init {
1743	my ($self) = @_;	2081	my ($self) = @_;
1744		2082
1745	$self	2083	$self
1746	}	2084	}
…		…
1765		2103
1766	# the temporary/swap location	2104	# the temporary/swap location
1767	sub save_path {	2105	sub save_path {
1768	my ($self) = @_;	2106	my ($self) = @_;
1769		2107
1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1771	"$TMPDIR/$path.map"	2109	"$TMPDIR/$path.map"
1772	}	2110	}
1773		2111
1774	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1775	sub uniq_path {	2113	sub uniq_path {
1776	my ($self) = @_;	2114	my ($self) = @_;
1777		2115
1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1779	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1780	}
1781
1782	# and all this just because we cannot iterate over
1783	# all maps in C++...
1784	sub change_all_map_light {
1785	my ($change) = @_;
1786
1787	$_->change_map_light ($change)
1788	for grep $_->outdoor, values %cf::MAP;
1789	}	2118	}
1790		2119
1791	sub decay_objects {	2120	sub decay_objects {
1792	my ($self) = @_;	2121	my ($self) = @_;
1793		2122
…		…
1820	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1821		2150
1822	1	2151	1
1823	}	2152	}
1824		2153
		2154	# used to laod the header of an original map
1825	sub load_header_orig {	2155	sub load_header_orig {
1826	my ($self) = @_;	2156	my ($self) = @_;
1827		2157
1828	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1829	}	2159	}
1830		2160
		2161	# used to laod the header of an instantiated map
1831	sub load_header_temp {	2162	sub load_header_temp {
1832	my ($self) = @_;	2163	my ($self) = @_;
1833		2164
1834	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1835	}	2166	}
1836		2167
		2168	# called after loading the header from an instantiated map
1837	sub prepare_temp {	2169	sub prepare_temp {
1838	my ($self) = @_;	2170	my ($self) = @_;
1839		2171
1840	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1841	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1842	# safety	2174	# safety
1843	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1844	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1845	}	2177	}
1846		2178
		2179	# called after loading the header from an original map
1847	sub prepare_orig {	2180	sub prepare_orig {
1848	my ($self) = @_;	2181	my ($self) = @_;
1849		2182
1850	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1851	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1875		2208
1876	sub find;	2209	sub find;
1877	sub find {	2210	sub find {
1878	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1879		2212
		2213	cf::cede_to_tick;
		2214
1880	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1881		2216
1882	cf::lock_wait "map_data:$path";#d#remove	2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1883	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1884		2219
1885	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1886	my $guard1 = cf::lock_acquire "map_find:$path";
1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1888
1889	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1890	or return;	2222	or return;
1891		2223
1892	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1893		2225
…		…
1895	or return;	2227	or return;
1896		2228
1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1899	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
1900	undef $guard1;	2233	undef $guard1;
1901	undef $guard2;
1902	$map->reset;	2234	$map->reset;
1903	return find $path;	2235	return find $path;
1904	}	2236	}
1905		2237
1906	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1907	}	2239	}
1908	}	2240	}
1909		2241
1910	sub pre_load { }	2242	sub pre_load { }
1911	sub post_load { }	2243	#sub post_load { } # XS
1912		2244
1913	sub load {	2245	sub load {
1914	my ($self) = @_;	2246	my ($self) = @_;
1915		2247
1916	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1919		2251
1920	{	2252	{
1921	my $guard = cf::lock_acquire "map_data:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1922		2254
1923	return unless $self->valid;	2255	return unless $self->valid;
1924	return unless $self->in_memory == cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
1925
1926	$self->in_memory (cf::MAP_LOADING);
1927		2257
1928	$self->alloc;	2258	$self->alloc;
1929		2259
1930	$self->pre_load;	2260	$self->pre_load;
1931	cf::cede_to_tick;	2261	cf::cede_to_tick;
1932		2262
		2263	if (exists $self->{load_path}) {
1933	my $f = new_from_file cf::object::thawer $self->{load_path};	2264	my $f = new_from_file cf::object::thawer $self->{load_path};
1934	$f->skip_block;	2265	$f->skip_block;
1935	$self->_load_objects ($f)	2266	$self->_load_objects ($f)
1936	or return;	2267	or return;
1937		2268
1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1939	if delete $self->{load_original};	2270	if delete $self->{load_original};
1940		2271
1941	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1942	utf8::encode $uniq;	2273	utf8::encode $uniq;
1943	unless (aio_stat $uniq) {	2274	unless (aio_stat $uniq) {
1944	if (my $f = new_from_file cf::object::thawer $uniq) {	2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1945	$self->clear_unique_items;	2276	$self->clear_unique_items;
1946	$self->_load_objects ($f);	2277	$self->_load_objects ($f);
1947	$f->resolve_delayed_derefs;	2278	$f->resolve_delayed_derefs;
		2279	}
1948	}	2280	}
1949	}	2281	}
1950	}
1951		2282
1952	$f->resolve_delayed_derefs;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
		2288
		2289	$self->state (cf::MAP_INACTIVE);
1953		2290
1954	cf::cede_to_tick;	2291	cf::cede_to_tick;
1955	# now do the right thing for maps	2292	# now do the right thing for maps
1956	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1957	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
…		…
1961	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
1962	$self->decay_objects;	2299	$self->decay_objects;
1963	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
1964	$self->update_buttons;	2301	$self->update_buttons;
1965	cf::cede_to_tick;	2302	cf::cede_to_tick;
1966	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
1967	cf::cede_to_tick;
1968	$self->activate;
1969	}	2304	}
1970		2305
1971	$self->{last_save} = $cf::RUNTIME;	2306	$self->{last_save} = $cf::RUNTIME;
1972	$self->last_access ($cf::RUNTIME);	2307	$self->last_access ($cf::RUNTIME);
1973
1974	$self->in_memory (cf::MAP_IN_MEMORY);
1975	}	2308	}
1976		2309
1977	$self->post_load;	2310	$self->post_load;
1978	}
1979		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
1980	sub customise_for {	2318	sub customise_for {
1981	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1982		2320
1983	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1984	if $self->per_player;	2322	if $self->per_player;
…		…
1987	# if $self->per_party;	2325	# if $self->per_party;
1988		2326
1989	$self	2327	$self
1990	}	2328	}
1991		2329
1992	# find and load all maps in the 3x3 area around a map
1993	sub load_neighbours {
1994	my ($map) = @_;
1995
1996	my @neigh; # diagonal neighbours
1997
1998	for (0 .. 3) {
1999	my $neigh = $map->tile_path ($_)
2000	or next;
2001	$neigh = find $neigh, $map
2002	or next;
2003	$neigh->load;
2004
2005	push @neigh,
2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2008	}
2009
2010	for (grep defined $_->[0], @neigh) {
2011	my ($path, $origin) = @$_;
2012	my $neigh = find $path, $origin
2013	or next;
2014	$neigh->load;
2015	}
2016	}
2017
2018	sub find_sync {	2330	sub find_sync {
2019	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
2020		2332
2021	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, $origin
2022	}	2338	}
2023		2339
2024	sub do_load_sync {	2340	sub do_load_sync {
2025	my ($map) = @_;	2341	my ($map) = @_;
2026		2342
		2343	# it's a bug to call this from the main context
2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2028	if $Coro::current == $Coro::main;	2345	if $Coro::current == $Coro::main;
2029		2346
2030	cf::sync_job { $map->load };	2347	$map->load;
2031	}	2348	}
2032		2349
2033	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
2034	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
2035		2352
2036	sub find_async {	2353	sub find_async {
2037	my ($path, $origin, $load) = @_;	2354	my ($path, $origin, $load) = @_;
2038		2355
2039	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
2040		2357
2041	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
2043	}	2360	}
2044		2361
2045	$MAP_PREFETCH{$path} |= $load;	2362	$MAP_PREFETCH{$path} |= $load;
2046		2363
2047	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
2048	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
2049	while (my ($k, $v) = each %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
2050	if (my $map = find $k) {	2369	if (my $map = find $k) {
2051	$map->load if $v;	2370	$map->load if $v;
2052	}	2371	}
…		…
2059	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
2060		2379
2061	()	2380	()
2062	}	2381	}
2063		2382
		2383	# common code, used by both ->save and ->swapout
2064	sub save {	2384	sub _save {
2065	my ($self) = @_;	2385	my ($self) = @_;
2066
2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
2068		2386
2069	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
2070		2388
2071	return unless $self->dirty;	2389	return unless $self->dirty;
2072		2390
…		…
2078	return if $self->{deny_save};	2396	return if $self->{deny_save};
2079		2397
2080	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
2081		2399
2082	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
2083	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
2084	};	2403	};
		2404
		2405	cf::get_slot 0.02;
2085		2406
2086	if ($uniq) {	2407	if ($uniq) {
2087	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2088	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2089	} else {	2410	} else {
2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2091	}	2412	}
2092	}	2413	}
2093		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
2094	sub swap_out {	2423	sub swap_out {
2095	my ($self) = @_;	2424	my ($self) = @_;
2096		2425
2097	# save first because save cedes
2098	$self->save;
2099
2100	my $lock = cf::lock_acquire "map_data:$self->{path}";	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
2101		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
2102	return if $self->players;	2430	return if $self->players;
2103	return if $self->in_memory != cf::MAP_IN_MEMORY;	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
		2441	$self->clear;
		2442	}
		2443
		2444	sub reset_at {
		2445	my ($self) = @_;
		2446
		2447	# TODO: safety, remove and allow resettable per-player maps
2104	return if $self->{deny_save};	2448	return 1e99 if $self->{deny_reset};
2105		2449
		2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2451	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2452
		2453	$time + $to
		2454	}
		2455
		2456	sub should_reset {
		2457	my ($self) = @_;
		2458
		2459	$self->reset_at <= $cf::RUNTIME
		2460	}
		2461
		2462	sub reset {
		2463	my ($self) = @_;
		2464
		2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2466
		2467	return if $self->players;
		2468
		2469	cf::trace "resetting map ", $self->path, "\n";
		2470
2106	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
		2472
		2473	# need to save uniques path
		2474	unless ($self->{deny_save}) {
		2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2476
		2477	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2478	if $uniq;
		2479	}
		2480
		2481	delete $cf::MAP{$self->path};
2107		2482
2108	$self->deactivate;	2483	$self->deactivate;
2109	$_->clear_links_to ($self) for values %cf::MAP;	2484	$_->clear_links_to ($self) for values %cf::MAP;
2110	$self->clear;	2485	$self->clear;
2111	}
2112
2113	sub reset_at {
2114	my ($self) = @_;
2115
2116	# TODO: safety, remove and allow resettable per-player maps
2117	return 1e99 if $self->{deny_reset};
2118
2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2121
2122	$time + $to
2123	}
2124
2125	sub should_reset {
2126	my ($self) = @_;
2127
2128	$self->reset_at <= $cf::RUNTIME
2129	}
2130
2131	sub reset {
2132	my ($self) = @_;
2133
2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
2135
2136	return if $self->players;
2137
2138	warn "resetting map ", $self->path;
2139
2140	$self->in_memory (cf::MAP_SWAPPED);
2141
2142	# need to save uniques path
2143	unless ($self->{deny_save}) {
2144	my $uniq = $self->uniq_path; utf8::encode $uniq;
2145
2146	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2147	if $uniq;
2148	}
2149
2150	delete $cf::MAP{$self->path};
2151
2152	$self->deactivate;
2153	$_->clear_links_to ($self) for values %cf::MAP;
2154	$self->clear;
2155		2486
2156	$self->unlink_save;	2487	$self->unlink_save;
2157	$self->destroy;	2488	$self->destroy;
2158	}	2489	}
2159		2490
…		…
2167		2498
2168	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
2169		2500
2170	$self->unlink_save;	2501	$self->unlink_save;
2171		2502
2172	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
2173	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
2174	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
2175	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2177		2508
…		…
2226		2557
2227	sub unique_maps() {	2558	sub unique_maps() {
2228	[	2559	[
2229	map {	2560	map {
2230	utf8::decode $_;	2561	utf8::decode $_;
2231	/\.map$/	2562	s/\.map$//; # TODO future compatibility hack
		2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2564	? ()
2232	? normalise $_	2565	: normalise $_
2233	: ()
2234	} @{ aio_readdir $UNIQUEDIR or [] }	2566	} @{ aio_readdir $UNIQUEDIR or [] }
2235	]	2567	]
2236	}	2568	}
2237		2569
2238	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	}
2239		2601
2240	=back	2602	=back
2241		2603
2242	=head3 cf::object	2604	=head3 cf::object
2243		2605
…		…
2247		2609
2248	=over 4	2610	=over 4
2249		2611
2250	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
2251		2613
2252	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.
2253		2616
2254	=cut	2617	=cut
2255		2618
2256	sub inv_recursive_;	2619	sub inv_recursive_;
2257	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
2262	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
2263	}	2626	}
2264		2627
2265	=item $ref = $ob->ref	2628	=item $ref = $ob->ref
2266		2629
2267	creates and returns a persistent reference to an objetc that can be stored as a string.	2630	Creates and returns a persistent reference to an object that can be stored as a string.
2268		2631
2269	=item $ob = cf::object::deref ($refstring)	2632	=item $ob = cf::object::deref ($refstring)
2270		2633
2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2634	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2272	even if the object actually exists. May block.	2635	even if the object actually exists. May block.
…		…
2274	=cut	2637	=cut
2275		2638
2276	sub deref {	2639	sub deref {
2277	my ($ref) = @_;	2640	my ($ref) = @_;
2278		2641
2279	# temporary compatibility#TODO#remove
2280	$ref =~ s{^<}{player/<};
2281
2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2642	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2283	my ($uuid, $name) = ($1, $2);	2643	my ($uuid, $name) = ($1, $2);
2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2644	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2285	or return;	2645	or return;
2286	$pl->ob->uuid eq $uuid	2646	$pl->ob->uuid eq $uuid
2287	or return;	2647	or return;
…		…
2307	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
2308	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
2309		2669
2310	=cut	2670	=cut
2311		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	};
		2685
2312	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
2313	# with dialog boxes.	2687	# with dialog boxes.
2314	#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
2315	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
2316	my ($self, $npc, $msg, $flags) = @_;	2690	my ($self, $npc, $msg, $flags) = @_;
…		…
2327	my $dialog = $pl->{npc_dialog};	2701	my $dialog = $pl->{npc_dialog};
2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329		2703
2330	} else {	2704	} else {
2331	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
2332	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2333	}	2707	}
2334	}	2708	}
2335	}	2709	}
2336		2710
2337	=item $object->send_msg ($channel, $msg, $color, [extra...])	2711	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2362		2736
2363	=item $player_object->enter_link	2737	=item $player_object->enter_link
2364		2738
2365	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}>).
2366		2740
2367	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.
2368	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.
2369		2745
2370	Will never block.	2746	Will never block.
2371		2747
2372	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
2373		2749
…		…
2393	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
2394	my ($self) = @_;	2770	my ($self) = @_;
2395		2771
2396	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
2397		2773
		2774	++$self->{_link_recursion};
		2775
2398	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
2399		2777
2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2401	if $self->map && $self->map->{path} ne "{link}";	2779	if $self->map && $self->map->{path} ne "{link}";
2402		2780
2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2404	}	2782	}
2405		2783
2406	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
2407	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
2408		2786
…		…
2425	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
2426	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
2427		2805
2428	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
2429	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
2430	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
2431		2809
2432	$map->load;	2810	$map->load;
2433	$map->load_neighbours;
2434		2811
2435	return unless $self->contr->active;	2812	return unless $self->contr->active;
2436	$self->activate_recursive;
2437		2813
2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2439	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
2440	}	2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
		2819	$self->activate_recursive;
		2820	}
2441		2821
		2822	}
		2823
2442	=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)]])
2443		2825
2444	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
2445	her, loading and preparing them map, calling the provided $check callback	2827	her, loading and preparing them map, calling the provided $check callback
2446	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
2447	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
2448	be called at the end of this process.	2830	be called at the end of this process.
2449		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
2450	=cut	2835	=cut
2451		2836
2452	our $GOTOGEN;	2837	our $GOTOGEN;
2453		2838
2454	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
2455	my ($self, $path, $x, $y, $check, $done) = @_;	2840	my ($self, $path, $x, $y, $check, $done) = @_;
2456		2841
		2842	if ($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
2457	# 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
2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2459		2850
2460	$self->enter_link;	2851	$self->enter_link;
2461		2852
2462	(async {	2853	(async {
		2854	$Coro::current->{desc} = "player::goto $path $x $y";
		2855
2463	# *tag paths override both path and x|y	2856	# *tag paths override both path and x|y
2464	if ($path =~ /^\*(.*)$/) {	2857	if ($path =~ /^\*(.*)$/) {
2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {	2858	if (my @obs = grep $_->map, ext::map_tags::find $1) {
2466	my $ob = $obs[rand @obs];	2859	my $ob = $obs[rand @obs];
2467		2860
2468	# see if we actually can go there	2861	# see if we actually can go there
2469	# todo: use ob_blocked to check all tiles of the destination "object"	2862	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2470	# for suitability.	2863	$ob = $obs[rand @obs];
		2864	} else {
		2865	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2866	}
		2867	# else put us there anyways for now #d#
2471		2868
2472	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);	2869	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2870	} else {
		2871	($path, $x, $y) = (undef, undef, undef);
2473	}	2872	}
2474	}	2873	}
2475		2874
2476	my $map = eval {	2875	my $map = eval {
2477	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2478		2877
2479	if ($map) {	2878	if ($map) {
2480	$map = $map->customise_for ($self);	2879	$map = $map->customise_for ($self);
2481	$map = $check->($map) if $check && $map;	2880	$map = $check->($map, $x, $y, $self) if $check && $map;
2482	} else {	2881	} else {
2483	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2484	}	2883	}
2485		2884
2486	$map	2885	$map
2487	};	2886	};
2488		2887
…		…
2494	if ($gen == $self->{_goto_generation}) {	2893	if ($gen == $self->{_goto_generation}) {
2495	delete $self->{_goto_generation};	2894	delete $self->{_goto_generation};
2496	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
2497	}	2896	}
2498		2897
2499	$done->() if $done;	2898	$done->($self) if $done;
2500	})->prio (1);	2899	})->prio (1);
2501	}	2900	}
2502		2901
2503	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
2504		2903
…		…
2524	}	2923	}
2525		2924
2526	sub prepare_random_map {	2925	sub prepare_random_map {
2527	my ($exit) = @_;	2926	my ($exit) = @_;
2528		2927
2529	my $guard = cf::lock_acquire "exit_prepare:$exit";
2530
2531	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
2532	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
2533	# that depends on the exit object	2930	# that depends on the exit object
2534		2931
2535	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
2537	if ($exit->map) {	2934	if ($exit->map) {
2538	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2539	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2540	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2541	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2542	}	2941	}
2543		2942
2544	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2545		2944
2546	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2547	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
2548	my $meta = "$RANDOMDIR/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
2549		2948
2550	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2551	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2552	undef $fh;	2951	undef $fh;
2553	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2554		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2555	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2556	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2557	}	2960	}
2558	}	2961	}
2559		2962
2560	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2561	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2562		2965
2563	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2564		2967
2565	if ($exit->slaying eq "/!") {
2566	#TODO: this should de-fi-ni-te-ly not be a sync-job
2567	# the problem is that $exit might not survive long enough
2568	# so it needs to be done right now, right here
2569	cf::sync_job { prepare_random_map $exit };
2570	}
2571
2572	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2573	my $hp = $exit->stats->hp;
2574	my $sp = $exit->stats->sp;
2575
2576	$self->enter_link;	2968	$self->enter_link;
2577		2969
2578	# if exit is damned, update players death & WoR home-position
2579	$self->contr->savebed ($slaying, $hp, $sp)
2580	if $exit->flag (FLAG_DAMNED);
2581
2582	(async {	2970	(async {
2583	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
2584	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
2585	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2586		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
2587	1;	3009	1
2588	}) {	3010	}) {
2589	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2590	. "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. "
2591	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2592	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2593		3015
2594	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2595	$self->leave_link;	3017	$self->leave_link;
2596	}	3018	}
2597	})->prio (1);	3019	})->prio (1);
2598	}	3020	}
2599		3021
…		…
2611	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
2612	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
2613		3035
2614	utf8::encode $text;	3036	utf8::encode $text;
2615	$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);
2616	}	3063	}
2617		3064
2618	=item $client->send_msg ($channel, $msg, $color, [extra...])	3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
2619		3066
2620	Send a drawinfo or msg packet to the client, formatting the msg for the	3067	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2622	the message, with C<log> being the default. If C<$color> is negative, suppress	3069	the message, with C<log> being the default. If C<$color> is negative, suppress
2623	the message unless the client supports the msg packet.	3070	the message unless the client supports the msg packet.
2624		3071
2625	=cut	3072	=cut
2626		3073
		3074	# non-persistent channels (usually the info channel)
2627	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	},
2628	"c/identify" => {	3082	"c/identify" => {
2629	id => "identify",	3083	id => "infobox",
2630	title => "Identify",	3084	title => "Identify",
2631	reply => undef,	3085	reply => undef,
2632	tooltip => "Items recently identified",	3086	tooltip => "Items recently identified",
2633	},	3087	},
2634	"c/examine" => {	3088	"c/examine" => {
2635	id => "examine",	3089	id => "infobox",
2636	title => "Examine",	3090	title => "Examine",
2637	reply => undef,	3091	reply => undef,
2638	tooltip => "Signs and other items you examined",	3092	tooltip => "Signs and other items you examined",
2639	},	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" => $CHAT_CHANNEL,
2640	);	3186	);
2641		3187
2642	sub cf::client::send_msg {	3188	sub cf::client::send_msg {
2643	my ($self, $channel, $msg, $color, @extra) = @_;	3189	my ($self, $channel, $msg, $color, @extra) = @_;
2644		3190
2645	$msg = $self->pl->expand_cfpod ($msg);	3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
2646		3193
2647	$color &= cf::NDI_CLIENT_MASK; # just in case...	3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
2648		3195
2649	# check predefined channels, for the benefit of C	3196	# check predefined channels, for the benefit of C
2650	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3197	if ($CHANNEL{$channel}) {
		3198	$channel = $CHANNEL{$channel};
2651		3199
		3200	$self->ext_msg (channel_info => $channel);
		3201	$channel = $channel->{id};
		3202
2652	if (ref $channel) {	3203	} elsif (ref $channel) {
2653	# send meta info to client, if not yet sent	3204	# send meta info to client, if not yet sent
2654	unless (exists $self->{channel}{$channel->{id}}) {	3205	unless (exists $self->{channel}{$channel->{id}}) {
2655	$self->{channel}{$channel->{id}} = $channel;	3206	$self->{channel}{$channel->{id}} = $channel;
2656	$self->ext_msg (channel_info => $channel)	3207	$self->ext_msg (channel_info => $channel);
2657	if $self->can_msg;
2658	}	3208	}
2659		3209
2660	$channel = $channel->{id};	3210	$channel = $channel->{id};
2661	}	3211	}
2662		3212
2663	return unless @extra || length $msg;	3213	return unless @extra || length $msg;
2664		3214
2665	if ($self->can_msg) {
2666	# default colour, mask it out	3215	# default colour, mask it out
2667	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2668	if $color & cf::NDI_DEF;	3217	if $color & cf::NDI_DEF;
2669		3218
2670	$self->send_packet ("msg " . $self->{json_coder}->encode (	3219	my $pkt = "msg "
		3220	. $self->{json_coder}->encode (
2671	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2672	} else {	3222	);
2673	if ($color >= 0) {
2674	# replace some tags by gcfclient-compatible ones
2675	for ($msg) {
2676	1 while
2677	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2678	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2679	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2680	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2681	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2682	}
2683		3223
2684	$color &= cf::NDI_COLOR_MASK;	3224	$self->send_big_packet ($pkt);
2685
2686	utf8::encode $msg;
2687
2688	if (0 && $msg =~ /\[/) {
2689	# COMMAND/INFO
2690	$self->send_packet ("drawextinfo $color 10 8 $msg")
2691	} else {
2692	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2693	$self->send_packet ("drawinfo $color $msg")
2694	}
2695	}
2696	}
2697	}	3225	}
2698		3226
2699	=item $client->ext_msg ($type, @msg)	3227	=item $client->ext_msg ($type, @msg)
2700		3228
2701	Sends an ext event to the client.	3229	Sends an ext event to the client.
…		…
2704		3232
2705	sub cf::client::ext_msg($$@) {	3233	sub cf::client::ext_msg($$@) {
2706	my ($self, $type, @msg) = @_;	3234	my ($self, $type, @msg) = @_;
2707		3235
2708	if ($self->extcmd == 2) {	3236	if ($self->extcmd == 2) {
2709	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2710	} elsif ($self->extcmd == 1) { # TODO: remove	3238	} elsif ($self->extcmd == 1) { # TODO: remove
2711	push @msg, msgtype => "event_$type";	3239	push @msg, msgtype => "event_$type";
2712	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2713	}	3241	}
2714	}	3242	}
2715		3243
2716	=item $client->ext_reply ($msgid, @msg)	3244	=item $client->ext_reply ($msgid, @msg)
2717		3245
…		…
2720	=cut	3248	=cut
2721		3249
2722	sub cf::client::ext_reply($$@) {	3250	sub cf::client::ext_reply($$@) {
2723	my ($self, $id, @msg) = @_;	3251	my ($self, $id, @msg) = @_;
2724		3252
2725	if ($self->extcmd == 2) {	3253	return unless $self->extcmd == 2;
		3254
2726	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2727	} elsif ($self->extcmd == 1) {
2728	#TODO: version 1, remove
2729	unshift @msg, msgtype => "reply", msgid => $id;
2730	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2731	}
2732	}	3256	}
2733		3257
2734	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2735		3259
2736	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
…		…
2791	my ($ns, $buf) = @_;	3315	my ($ns, $buf) = @_;
2792		3316
2793	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2794		3318
2795	if (ref $msg) {	3319	if (ref $msg) {
2796	my ($type, $reply, @payload) =	3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2797	"ARRAY" eq ref $msg
2798	? @$msg
2799	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2800		3321
2801	my @reply;	3322	my @reply;
2802		3323
2803	if (my $cb = $EXTICMD{$type}) {	3324	if (my $cb = $EXTICMD{$type}) {
2804	@reply = $cb->($ns, @payload);	3325	@reply = $cb->($ns, @payload);
…		…
2806		3327
2807	$ns->ext_reply ($reply, @reply)	3328	$ns->ext_reply ($reply, @reply)
2808	if $reply;	3329	if $reply;
2809		3330
2810	} else {	3331	} else {
2811	warn "client " . ($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";
2812	}	3333	}
2813		3334
2814	cf::override;	3335	cf::override;
2815	},	3336	},
2816	);	3337	);
…		…
2836		3357
2837	$coro	3358	$coro
2838	}	3359	}
2839		3360
2840	cf::client->attach (	3361	cf::client->attach (
2841	on_destroy => sub {	3362	on_client_destroy => sub {
2842	my ($ns) = @_;	3363	my ($ns) = @_;
2843		3364
2844	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2845	},	3366	},
2846	);	3367	);
…		…
2862	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2863		3384
2864	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2865		3386
2866	$safe->permit_only (Opcode::opset qw(	3387	$safe->permit_only (Opcode::opset qw(
2867	:base_core :base_mem :base_orig :base_math	3388	:base_core :base_mem :base_orig :base_math :base_loop
2868	grepstart grepwhile mapstart mapwhile	3389	grepstart grepwhile mapstart mapwhile
2869	sort time	3390	sort time
2870	));	3391	));
2871		3392
2872	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
…		…
2874	=pod	3395	=pod
2875		3396
2876	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2877		3398
2878	cf::object	3399	cf::object
2879	contr pay_amount pay_player map x y force_find force_add	3400	contr pay_amount pay_player map x y force_find force_add destroy
2880	insert remove name archname title slaying race decrease_ob_nr	3401	insert remove name archname title slaying race decrease split
		3402	value
2881		3403
2882	cf::object::player	3404	cf::object::player
2883	player	3405	player
2884		3406
2885	cf::player	3407	cf::player
…		…
2890		3412
2891	=cut	3413	=cut
2892		3414
2893	for (	3415	for (
2894	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2895	insert remove inv name archname title slaying race	3417	insert remove inv nrof name archname title slaying race
2896	decrease_ob_nr)],	3418	decrease split destroy change_exp value msg lore send_msg)],
2897	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2898	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2899	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2900	) {	3422	) {
2901	no strict 'refs';
2902	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2903	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2904	for @funs;	3425	for @funs;
2905	}	3426	}
2906		3427
…		…
2921		3442
2922	my $qcode = $code;	3443	my $qcode = $code;
2923	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2924	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2925		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2926	local $_;	3450	local $_;
2927	local @safe::cf::_safe_eval_args = values %vars;
2928		3451
2929	my $eval =	3452	my $eval =
2930	"do {\n"	3453	"do {\n"
2931	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2932	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2933	. $code	3456	. $code
2934	. "\n}"	3457	. "\n}"
2935	;	3458	;
2936		3459
		3460	if ($CFG{safe_eval}) {
2937	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2938	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2939	sub_generation_inc;	3464	sub_generation_inc;
		3465	} else {
		3466	local @cf::_safe_eval_args = values %vars;
		3467	@res = wantarray ? eval eval : scalar eval $eval;
		3468	}
2940		3469
2941	if ($@) {	3470	if ($@) {
2942	warn "$@";	3471	warn "$@",
2943	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2944	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2945	}	3474	}
2946		3475
2947	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2948	}	3477	}
2949		3478
…		…
2963	=cut	3492	=cut
2964		3493
2965	sub register_script_function {	3494	sub register_script_function {
2966	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2967		3496
2968	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2969	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2970	}	3499	}
2971		3500
2972	=back	3501	=back
2973		3502
2974	=cut	3503	=cut
2975		3504
2976	#############################################################################	3505	#############################################################################
2977	# the server's init and main functions	3506	# the server's init and main functions
		3507
		3508	our %FACEHASH; # hash => idx, #d# HACK for http server
2978		3509
2979	sub load_facedata($) {	3510	sub load_facedata($) {
2980	my ($path) = @_;	3511	my ($path) = @_;
2981		3512
2982	# HACK to clear player env face cache, we need some signal framework	3513	# HACK to clear player env face cache, we need some signal framework
2983	# for this (global event?)	3514	# for this (global event?)
2984	%ext::player_env::MUSIC_FACE_CACHE = ();	3515	%ext::player_env::MUSIC_FACE_CACHE = ();
2985		3516
2986	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2987		3518
2988	warn "loading facedata from $path\n";	3519	trace "loading facedata from $path\n";
2989		3520
2990	my $facedata;	3521	my $facedata = decode_storable load_file $path;
2991	0 < aio_load $path, $facedata
2992	or die "$path: $!";
2993
2994	$facedata = Coro::Storable::thaw $facedata;
2995		3522
2996	$facedata->{version} == 2	3523	$facedata->{version} == 2
2997	or cf::cleanup "$path: version mismatch, cannot proceed.";	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
2998		3525
2999	# patch in the exptable	3526	# patch in the exptable
		3527	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3000	$facedata->{resource}{"res/exp_table"} = {	3528	$facedata->{resource}{"res/exp_table"} = {
3001	type => FT_RSRC,	3529	type => FT_RSRC,
3002	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3530	data => $exp_table,
		3531	hash => (Digest::MD5::md5 $exp_table),
3003	};	3532	};
3004	cf::cede_to_tick;	3533	cf::cede_to_tick;
3005		3534
3006	{	3535	{
3007	my $faces = $facedata->{faceinfo};	3536	my $faces = $facedata->{faceinfo};
3008		3537
3009	while (my ($face, $info) = each %$faces) {	3538	while (my ($face, $info) = each %$faces) {
3010	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3539	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3540
3011	cf::face::set_visibility $idx, $info->{visibility};	3541	cf::face::set_visibility $idx, $info->{visibility};
3012	cf::face::set_magicmap $idx, $info->{magicmap};	3542	cf::face::set_magicmap $idx, $info->{magicmap};
3013	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3543	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3014	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3544	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3545	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3546	$FACEHASH{$info->{hash64}} = $idx;#d#
3015		3547
3016	cf::cede_to_tick;	3548	cf::cede_to_tick;
3017	}	3549	}
3018		3550
3019	while (my ($face, $info) = each %$faces) {	3551	while (my ($face, $info) = each %$faces) {
3020	next unless $info->{smooth};	3552	next unless $info->{smooth};
		3553
3021	my $idx = cf::face::find $face	3554	my $idx = cf::face::find $face
3022	or next;	3555	or next;
		3556
3023	if (my $smooth = cf::face::find $info->{smooth}) {	3557	if (my $smooth = cf::face::find $info->{smooth}) {
3024	cf::face::set_smooth $idx, $smooth;	3558	cf::face::set_smooth $idx, $smooth;
3025	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3559	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3026	} else {	3560	} else {
3027	warn "smooth face '$info->{smooth}' not found for face '$face'";	3561	error "smooth face '$info->{smooth}' not found for face '$face'";
3028	}	3562	}
3029		3563
3030	cf::cede_to_tick;	3564	cf::cede_to_tick;
3031	}	3565	}
3032	}	3566	}
…		…
3041		3575
3042	cf::anim::invalidate_all; # d'oh	3576	cf::anim::invalidate_all; # d'oh
3043	}	3577	}
3044		3578
3045	{	3579	{
3046	# TODO: for gcfclient pleasure, we should give resources
3047	# that gcfclient doesn't grok a >10000 face index.
3048	my $res = $facedata->{resource};	3580	my $res = $facedata->{resource};
3049		3581
3050	my $soundconf = delete $res->{"res/sound.conf"};
3051
3052	while (my ($name, $info) = each %$res) {	3582	while (my ($name, $info) = each %$res) {
		3583	if (defined (my $type = $info->{type})) {
		3584	# TODO: different hash - must free and use new index, or cache ixface data queue
3053	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3585	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3054	my $data;
3055		3586
3056	if ($info->{type} & 1) {	3587	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3057	# prepend meta info	3588	cf::face::set_type $idx, $type;
3058		3589	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3059	my $meta = $enc->encode ({	3590	$FACEHASH{$info->{hash}} = $idx;#d#
3060	name => $name,
3061	%{ $info->{meta} || {} },
3062	});
3063
3064	$data = pack "(w/a*)*", $meta, $info->{data};
3065	} else {	3591	} else {
3066	$data = $info->{data};	3592	# $RESOURCE{$name} = $info; # unused
3067	}	3593	}
3068		3594
3069	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3070	cf::face::set_type $idx, $info->{type};
3071
3072	cf::cede_to_tick;	3595	cf::cede_to_tick;
3073	}	3596	}
3074
3075	if ($soundconf) {
3076	$soundconf = $enc->decode (delete $soundconf->{data});
3077
3078	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3079	my $sound = $soundconf->{compat}[$_]
3080	or next;
3081
3082	my $face = cf::face::find "sound/$sound->[1]";
3083	cf::sound::set $sound->[0] => $face;
3084	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3085	}
3086
3087	while (my ($k, $v) = each %{$soundconf->{event}}) {
3088	my $face = cf::face::find "sound/$v";
3089	cf::sound::set $k => $face;
3090	}
3091	}
3092	}	3597	}
		3598
		3599	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3093		3600
3094	1	3601	1
3095	}	3602	}
3096		3603
3097	register_exticmd fx_want => sub {	3604	register_exticmd fx_want => sub {
…		…
3099		3606
3100	while (my ($k, $v) = each %$want) {	3607	while (my ($k, $v) = each %$want) {
3101	$ns->fx_want ($k, $v);	3608	$ns->fx_want ($k, $v);
3102	}	3609	}
3103	};	3610	};
		3611
		3612	sub load_resource_file($) {
		3613	my $guard = lock_acquire "load_resource_file";
		3614
		3615	my $status = load_resource_file_ $_[0];
		3616	get_slot 0.1, 100;
		3617	cf::arch::commit_load;
		3618
		3619	$status
		3620	}
3104		3621
3105	sub reload_regions {	3622	sub reload_regions {
3106	# HACK to clear player env face cache, we need some signal framework	3623	# HACK to clear player env face cache, we need some signal framework
3107	# for this (global event?)	3624	# for this (global event?)
3108	%ext::player_env::MUSIC_FACE_CACHE = ();	3625	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3122	}	3639	}
3123		3640
3124	sub reload_archetypes {	3641	sub reload_archetypes {
3125	load_resource_file "$DATADIR/archetypes"	3642	load_resource_file "$DATADIR/archetypes"
3126	or die "unable to load archetypes\n";	3643	or die "unable to load archetypes\n";
3127	#d# NEED to laod twice to resolve forward references
3128	# this really needs to be done in an extra post-pass
3129	# (which needs to be synchronous, so solve it differently)
3130	load_resource_file "$DATADIR/archetypes"
3131	or die "unable to load archetypes\n";
3132	}	3644	}
3133		3645
3134	sub reload_treasures {	3646	sub reload_treasures {
3135	load_resource_file "$DATADIR/treasures"	3647	load_resource_file "$DATADIR/treasures"
3136	or die "unable to load treasurelists\n";	3648	or die "unable to load treasurelists\n";
3137	}	3649	}
3138		3650
		3651	sub reload_sound {
		3652	trace "loading sound config from $DATADIR/sound\n";
		3653
		3654	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3655
		3656	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3657	my $sound = $soundconf->{compat}[$_]
		3658	or next;
		3659
		3660	my $face = cf::face::find "sound/$sound->[1]";
		3661	cf::sound::set $sound->[0] => $face;
		3662	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3663	}
		3664
		3665	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3666	my $face = cf::face::find "sound/$v";
		3667	cf::sound::set $k => $face;
		3668	}
		3669	}
		3670
3139	sub reload_resources {	3671	sub reload_resources {
3140	warn "reloading resource files...\n";	3672	trace "reloading resource files...\n";
3141		3673
		3674	reload_exp_table;
		3675	reload_materials;
		3676	reload_facedata;
		3677	reload_sound;
		3678	reload_archetypes;
3142	reload_regions;	3679	reload_regions;
3143	reload_facedata;
3144	#reload_archetypes;#d#
3145	reload_archetypes;
3146	reload_treasures;	3680	reload_treasures;
3147		3681
3148	warn "finished reloading resource files\n";	3682	trace "finished reloading resource files\n";
3149	}
3150
3151	sub init {
3152	reload_resources;
3153	}	3683	}
3154		3684
3155	sub reload_config {	3685	sub reload_config {
3156	open my $fh, "<:utf8", "$CONFDIR/config"	3686	trace "reloading config file...\n";
3157	or return;
3158		3687
3159	local $/;	3688	my $config = load_file "$CONFDIR/config";
3160	*CFG = YAML::Syck::Load <$fh>;	3689	utf8::decode $config;
		3690	*CFG = decode_yaml $config;
3161		3691
3162	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3692	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3163		3693
3164	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3694	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3165	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3695	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3166		3696
3167	if (exists $CFG{mlockall}) {	3697	if (exists $CFG{mlockall}) {
…		…
3171	};	3701	};
3172	warn $@ if $@;	3702	warn $@ if $@;
3173	}	3703	}
3174	}	3704	}
3175		3705
		3706	sub pidfile() {
		3707	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3708	or die "$PIDFILE: $!";
		3709	flock $fh, &Fcntl::LOCK_EX
		3710	or die "$PIDFILE: flock: $!";
		3711	$fh
		3712	}
		3713
		3714	# make sure only one server instance is running at any one time
		3715	sub atomic {
		3716	my $fh = pidfile;
		3717
		3718	my $pid = <$fh>;
		3719	kill 9, $pid if $pid > 0;
		3720
		3721	seek $fh, 0, 0;
		3722	print $fh $$;
		3723	}
		3724
		3725	sub main_loop {
		3726	trace "EV::loop starting\n";
		3727	if (1) {
		3728	EV::loop;
		3729	}
		3730	trace "EV::loop returned\n";
		3731	goto &main_loop unless $REALLY_UNLOOP;
		3732	}
		3733
3176	sub main {	3734	sub main {
		3735	cf::init_globals; # initialise logging
		3736
		3737	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3738	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3739	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3740	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3741
		3742	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3743
3177	# we must not ever block the main coroutine	3744	# we must not ever block the main coroutine
3178	local $Coro::idle = sub {	3745	local $Coro::idle = sub {
3179	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3746	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3180	(async {	3747	(async {
3181	Event::one_event;	3748	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3749	EV::loop EV::LOOP_ONESHOT;
3182	})->prio (Coro::PRIO_MAX);	3750	})->prio (Coro::PRIO_MAX);
3183	};	3751	};
3184		3752
		3753	evthread_start IO::AIO::poll_fileno;
		3754
		3755	cf::sync_job {
		3756	cf::incloader::init ();
		3757
		3758	cf::init_anim;
		3759	cf::init_attackmess;
		3760	cf::init_dynamic;
		3761
		3762	cf::load_settings;
		3763
		3764	reload_resources;
3185	reload_config;	3765	reload_config;
3186	db_init;	3766	db_init;
		3767
		3768	cf::init_uuid;
		3769	cf::init_signals;
		3770	cf::init_skills;
		3771
		3772	cf::init_beforeplay;
		3773
		3774	atomic;
		3775
3187	load_extensions;	3776	load_extensions;
3188		3777
3189	$TICK_WATCHER->start;	3778	utime time, time, $RUNTIMEFILE;
3190	Event::loop;	3779
		3780	# no (long-running) fork's whatsoever before this point(!)
		3781	use POSIX ();
		3782	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3783
		3784	cf::_post_init 0;
		3785	};
		3786
		3787	cf::object::thawer::errors_are_fatal 0;
		3788	info "parse errors in files are no longer fatal from this point on.\n";
		3789
		3790	AE::postpone {
		3791	undef &main; # free gobs of memory :)
		3792	};
		3793
		3794	goto &main_loop;
3191	}	3795	}
3192		3796
3193	#############################################################################	3797	#############################################################################
3194	# initialisation and cleanup	3798	# initialisation and cleanup
3195		3799
3196	# install some emergency cleanup handlers	3800	# install some emergency cleanup handlers
3197	BEGIN {	3801	BEGIN {
		3802	our %SIGWATCHER = ();
3198	for my $signal (qw(INT HUP TERM)) {	3803	for my $signal (qw(INT HUP TERM)) {
3199	Event->signal (	3804	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3200	reentrant => 0,
3201	data => WF_AUTOCANCEL,
3202	signal => $signal,
3203	prio => 0,
3204	cb => sub {
3205	cf::cleanup "SIG$signal";	3805	cf::cleanup "SIG$signal";
3206	},
3207	);	3806	};
3208	}	3807	}
3209	}	3808	}
3210		3809
3211	sub write_runtime {	3810	sub write_runtime_sync {
3212	my $runtime = "$LOCALDIR/runtime";	3811	my $t0 = AE::time;
3213		3812
3214	# first touch the runtime file to show we are still running:	3813	# first touch the runtime file to show we are still running:
3215	# the fsync below can take a very very long time.	3814	# the fsync below can take a very very long time.
3216		3815
3217	IO::AIO::aio_utime $runtime, undef, undef;	3816	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3218		3817
3219	my $guard = cf::lock_acquire "write_runtime";	3818	my $guard = cf::lock_acquire "write_runtime";
3220		3819
3221	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3820	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3222	or return;	3821	or return;
3223		3822
3224	my $value = $cf::RUNTIME + 90 + 10;	3823	my $value = $cf::RUNTIME + 90 + 10;
3225	# 10 is the runtime save interval, for a monotonic clock	3824	# 10 is the runtime save interval, for a monotonic clock
3226	# 60 allows for the watchdog to kill the server.	3825	# 60 allows for the watchdog to kill the server.
…		…
3236	aio_utime $fh, undef, undef;	3835	aio_utime $fh, undef, undef;
3237		3836
3238	close $fh	3837	close $fh
3239	or return;	3838	or return;
3240		3839
3241	aio_rename "$runtime~", $runtime	3840	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3242	and return;	3841	and return;
3243		3842
3244	warn "runtime file written.\n";	3843	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3245		3844
3246	1	3845	1
		3846	}
		3847
		3848	our $uuid_lock;
		3849	our $uuid_skip;
		3850
		3851	sub write_uuid_sync($) {
		3852	$uuid_skip ||= $_[0];
		3853
		3854	return if $uuid_lock;
		3855	local $uuid_lock = 1;
		3856
		3857	my $uuid = "$LOCALDIR/uuid";
		3858
		3859	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3860	or return;
		3861
		3862	my $value = uuid_seq uuid_cur;
		3863
		3864	unless ($value) {
		3865	info "cowardly refusing to write zero uuid value!\n";
		3866	return;
		3867	}
		3868
		3869	my $value = uuid_str $value + $uuid_skip;
		3870	$uuid_skip = 0;
		3871
		3872	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3873	and return;
		3874
		3875	# always fsync - this file is important
		3876	aio_fsync $fh
		3877	and return;
		3878
		3879	close $fh
		3880	or return;
		3881
		3882	aio_rename "$uuid~", $uuid
		3883	and return;
		3884
		3885	trace "uuid file written ($value).\n";
		3886
		3887	1
		3888
		3889	}
		3890
		3891	sub write_uuid($$) {
		3892	my ($skip, $sync) = @_;
		3893
		3894	$sync ? write_uuid_sync $skip
		3895	: async { write_uuid_sync $skip };
3247	}	3896	}
3248		3897
3249	sub emergency_save() {	3898	sub emergency_save() {
3250	my $freeze_guard = cf::freeze_mainloop;	3899	my $freeze_guard = cf::freeze_mainloop;
3251		3900
3252	warn "enter emergency perl save\n";	3901	info "emergency_perl_save: enter\n";
		3902
		3903	# this is a trade-off: we want to be very quick here, so
		3904	# save all maps without fsync, and later call a global sync
		3905	# (which in turn might be very very slow)
		3906	local $USE_FSYNC = 0;
3253		3907
3254	cf::sync_job {	3908	cf::sync_job {
		3909	cf::write_runtime_sync; # external watchdog should not bark
		3910
3255	# use a peculiar iteration method to avoid tripping on perl	3911	# use a peculiar iteration method to avoid tripping on perl
3256	# refcount bugs in for. also avoids problems with players	3912	# refcount bugs in for. also avoids problems with players
3257	# and maps saved/destroyed asynchronously.	3913	# and maps saved/destroyed asynchronously.
3258	warn "begin emergency player save\n";	3914	info "emergency_perl_save: begin player save\n";
3259	for my $login (keys %cf::PLAYER) {	3915	for my $login (keys %cf::PLAYER) {
3260	my $pl = $cf::PLAYER{$login} or next;	3916	my $pl = $cf::PLAYER{$login} or next;
3261	$pl->valid or next;	3917	$pl->valid or next;
		3918	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3262	$pl->save;	3919	$pl->save;
3263	}	3920	}
3264	warn "end emergency player save\n";	3921	info "emergency_perl_save: end player save\n";
3265		3922
3266	warn "begin emergency map save\n";	3923	cf::write_runtime_sync; # external watchdog should not bark
		3924
		3925	info "emergency_perl_save: begin map save\n";
3267	for my $path (keys %cf::MAP) {	3926	for my $path (keys %cf::MAP) {
3268	my $map = $cf::MAP{$path} or next;	3927	my $map = $cf::MAP{$path} or next;
3269	$map->valid or next;	3928	$map->valid or next;
3270	$map->save;	3929	$map->save;
3271	}	3930	}
3272	warn "end emergency map save\n";	3931	info "emergency_perl_save: end map save\n";
3273		3932
3274	warn "begin emergency database checkpoint\n";	3933	cf::write_runtime_sync; # external watchdog should not bark
		3934
		3935	info "emergency_perl_save: begin database checkpoint\n";
3275	BDB::db_env_txn_checkpoint $DB_ENV;	3936	BDB::db_env_txn_checkpoint $DB_ENV;
3276	warn "end emergency database checkpoint\n";	3937	info "emergency_perl_save: end database checkpoint\n";
		3938
		3939	info "emergency_perl_save: begin write uuid\n";
		3940	write_uuid_sync 1;
		3941	info "emergency_perl_save: end write uuid\n";
		3942
		3943	cf::write_runtime_sync; # external watchdog should not bark
		3944
		3945	trace "emergency_perl_save: syncing database to disk";
		3946	BDB::db_env_txn_checkpoint $DB_ENV;
		3947
		3948	info "emergency_perl_save: starting sync\n";
		3949	IO::AIO::aio_sync sub {
		3950	info "emergency_perl_save: finished sync\n";
		3951	};
		3952
		3953	cf::write_runtime_sync; # external watchdog should not bark
		3954
		3955	trace "emergency_perl_save: flushing outstanding aio requests";
		3956	while (IO::AIO::nreqs || BDB::nreqs) {
		3957	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3958	}
		3959
		3960	cf::write_runtime_sync; # external watchdog should not bark
3277	};	3961	};
3278		3962
3279	warn "leave emergency perl save\n";	3963	info "emergency_perl_save: leave\n";
3280	}	3964	}
3281		3965
3282	sub post_cleanup {	3966	sub post_cleanup {
3283	my ($make_core) = @_;	3967	my ($make_core) = @_;
3284		3968
		3969	IO::AIO::flush;
		3970
3285	warn Carp::longmess "post_cleanup backtrace"	3971	error Carp::longmess "post_cleanup backtrace"
3286	if $make_core;	3972	if $make_core;
		3973
		3974	my $fh = pidfile;
		3975	unlink $PIDFILE if <$fh> == $$;
		3976	}
		3977
		3978	# a safer delete_package, copied from Symbol
		3979	sub clear_package($) {
		3980	my $pkg = shift;
		3981
		3982	# expand to full symbol table name if needed
		3983	unless ($pkg =~ /^main::.*::$/) {
		3984	$pkg = "main$pkg" if $pkg =~ /^::/;
		3985	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3986	$pkg .= '::' unless $pkg =~ /::$/;
		3987	}
		3988
		3989	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3990	my $stem_symtab = *{$stem}{HASH};
		3991
		3992	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3993	or return;
		3994
		3995	# clear all symbols
		3996	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3997	for my $name (keys %$leaf_symtab) {
		3998	_gv_clear *{"$pkg$name"};
		3999	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4000	}
3287	}	4001	}
3288		4002
3289	sub do_reload_perl() {	4003	sub do_reload_perl() {
3290	# can/must only be called in main	4004	# can/must only be called in main
3291	if ($Coro::current != $Coro::main) {	4005	unless (in_main) {
3292	warn "can only reload from main coroutine";	4006	error "can only reload from main coroutine";
3293	return;	4007	return;
3294	}	4008	}
3295		4009
3296	warn "reloading...";	4010	return if $RELOAD++;
3297		4011
3298	warn "entering sync_job";	4012	my $t1 = AE::time;
3299		4013
		4014	while ($RELOAD) {
		4015	cf::get_slot 0.1, -1, "reload_perl";
		4016	info "perl_reload: reloading...";
		4017
		4018	trace "perl_reload: entering sync_job";
		4019
3300	cf::sync_job {	4020	cf::sync_job {
3301	cf::write_runtime; # external watchdog should not bark
3302	cf::emergency_save;	4021	#cf::emergency_save;
3303	cf::write_runtime; # external watchdog should not bark
3304		4022
3305	warn "syncing database to disk";
3306	BDB::db_env_txn_checkpoint $DB_ENV;
3307
3308	# if anything goes wrong in here, we should simply crash as we already saved
3309
3310	warn "cancelling all WF_AUTOCANCEL watchers";
3311	for (Event::all_watchers) {
3312	$_->cancel if $_->data & WF_AUTOCANCEL;
3313	}
3314
3315	warn "flushing outstanding aio requests";
3316	for (;;) {
3317	BDB::flush;
3318	IO::AIO::flush;
3319	Coro::cede;
3320	last unless IO::AIO::nreqs || BDB::nreqs;
3321	warn "iterate...";
3322	}
3323
3324	++$RELOAD;
3325
3326	warn "cancelling all extension coros";	4023	trace "perl_reload: cancelling all extension coros";
3327	$_->cancel for values %EXT_CORO;	4024	$_->cancel for values %EXT_CORO;
3328	%EXT_CORO = ();	4025	%EXT_CORO = ();
3329		4026
3330	warn "removing commands";	4027	trace "perl_reload: removing commands";
3331	%COMMAND = ();	4028	%COMMAND = ();
3332		4029
3333	warn "removing ext/exti commands";	4030	trace "perl_reload: removing ext/exti commands";
3334	%EXTCMD = ();	4031	%EXTCMD = ();
3335	%EXTICMD = ();	4032	%EXTICMD = ();
3336		4033
3337	warn "unloading/nuking all extensions";	4034	trace "perl_reload: unloading/nuking all extensions";
3338	for my $pkg (@EXTS) {	4035	for my $pkg (@EXTS) {
3339	warn "... unloading $pkg";	4036	trace "... unloading $pkg";
3340		4037
3341	if (my $cb = $pkg->can ("unload")) {	4038	if (my $cb = $pkg->can ("unload")) {
3342	eval {	4039	eval {
3343	$cb->($pkg);	4040	$cb->($pkg);
3344	1	4041	1
3345	} or warn "$pkg unloaded, but with errors: $@";	4042	} or error "$pkg unloaded, but with errors: $@";
		4043	}
		4044
		4045	trace "... clearing $pkg";
		4046	clear_package $pkg;
3346	}	4047	}
3347		4048
3348	warn "... nuking $pkg";
3349	Symbol::delete_package $pkg;
3350	}
3351
3352	warn "unloading all perl modules loaded from $LIBDIR";	4049	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3353	while (my ($k, $v) = each %INC) {	4050	while (my ($k, $v) = each %INC) {
3354	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3355		4052
3356	warn "... unloading $k";	4053	trace "... unloading $k";
3357	delete $INC{$k};	4054	delete $INC{$k};
3358		4055
3359	$k =~ s/\.pm$//;	4056	$k =~ s/\.pm$//;
3360	$k =~ s/\//::/g;	4057	$k =~ s/\//::/g;
3361		4058
3362	if (my $cb = $k->can ("unload_module")) {	4059	if (my $cb = $k->can ("unload_module")) {
3363	$cb->();	4060	$cb->();
		4061	}
		4062
		4063	clear_package $k;
3364	}	4064	}
3365		4065
3366	Symbol::delete_package $k;
3367	}
3368
3369	warn "getting rid of safe::, as good as possible";	4066	trace "perl_reload: getting rid of safe::, as good as possible";
3370	Symbol::delete_package "safe::$_"	4067	clear_package "safe::$_"
3371	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4068	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3372		4069
3373	warn "unloading cf.pm \"a bit\"";	4070	trace "perl_reload: unloading cf.pm \"a bit\"";
3374	delete $INC{"cf.pm"};	4071	delete $INC{"cf.pm"};
3375	delete $INC{"cf/pod.pm"};	4072	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3376		4073
3377	# don't, removes xs symbols, too,	4074	# don't, removes xs symbols, too,
3378	# and global variables created in xs	4075	# and global variables created in xs
3379	#Symbol::delete_package __PACKAGE__;	4076	#clear_package __PACKAGE__;
3380		4077
3381	warn "unload completed, starting to reload now";	4078	info "perl_reload: unload completed, starting to reload now";
3382		4079
3383	warn "reloading cf.pm";	4080	trace "perl_reload: reloading cf.pm";
3384	require cf;	4081	require cf;
3385	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4082	cf::_connect_to_perl_1;
3386		4083
3387	warn "loading config and database again";	4084	trace "perl_reload: loading config and database again";
3388	cf::reload_config;	4085	cf::reload_config;
3389		4086
3390	warn "loading extensions";	4087	trace "perl_reload: loading extensions";
3391	cf::load_extensions;	4088	cf::load_extensions;
3392		4089
		4090	if ($REATTACH_ON_RELOAD) {
3393	warn "reattaching attachments to objects/players";	4091	trace "perl_reload: reattaching attachments to objects/players";
3394	_global_reattach; # objects, sockets	4092	_global_reattach; # objects, sockets
3395	warn "reattaching attachments to maps";	4093	trace "perl_reload: reattaching attachments to maps";
3396	reattach $_ for values %MAP;	4094	reattach $_ for values %MAP;
3397	warn "reattaching attachments to players";	4095	trace "perl_reload: reattaching attachments to players";
3398	reattach $_ for values %PLAYER;	4096	reattach $_ for values %PLAYER;
		4097	}
3399		4098
3400	warn "leaving sync_job";	4099	cf::_post_init 1;
3401		4100
		4101	trace "perl_reload: leaving sync_job";
		4102
3402	1	4103	1
3403	} or do {	4104	} or do {
3404	warn $@;	4105	error $@;
3405	warn "error while reloading, exiting.";	4106	cf::cleanup "perl_reload: error, exiting.";
3406	exit 1;	4107	};
		4108
		4109	--$RELOAD;
3407	};	4110	}
3408		4111
3409	warn "reloaded";	4112	$t1 = AE::time - $t1;
		4113	info "perl_reload: completed in ${t1}s\n";
3410	};	4114	};
3411		4115
3412	our $RELOAD_WATCHER; # used only during reload	4116	our $RELOAD_WATCHER; # used only during reload
3413		4117
3414	sub reload_perl() {	4118	sub reload_perl() {
3415	# doing reload synchronously and two reloads happen back-to-back,	4119	# doing reload synchronously and two reloads happen back-to-back,
3416	# coro crashes during coro_state_free->destroy here.	4120	# coro crashes during coro_state_free->destroy here.
3417		4121
3418	$RELOAD_WATCHER ||= Event->timer (	4122	$RELOAD_WATCHER ||= cf::async {
3419	reentrant => 0,	4123	Coro::AIO::aio_wait cache_extensions;
3420	after => 0,	4124
3421	data => WF_AUTOCANCEL,	4125	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3422	cb => sub {
3423	do_reload_perl;	4126	do_reload_perl;
3424	undef $RELOAD_WATCHER;	4127	undef $RELOAD_WATCHER;
3425	},	4128	};
3426	);	4129	};
3427	}	4130	}
3428		4131
3429	register_command "reload" => sub {	4132	register_command "reload" => sub {
3430	my ($who, $arg) = @_;	4133	my ($who, $arg) = @_;
3431		4134
3432	if ($who->flag (FLAG_WIZ)) {	4135	if ($who->flag (FLAG_WIZ)) {
3433	$who->message ("reloading server.");	4136	$who->message ("reloading server.");
		4137	async {
		4138	$Coro::current->{desc} = "perl_reload";
3434	async { reload_perl };	4139	reload_perl;
		4140	};
3435	}	4141	}
3436	};	4142	};
3437		4143
3438	unshift @INC, $LIBDIR;	4144	#############################################################################
3439		4145
3440	my $bug_warning = 0;	4146	my $bug_warning = 0;
3441		4147
3442	our @WAIT_FOR_TICK;
3443	our @WAIT_FOR_TICK_BEGIN;
3444
3445	sub wait_for_tick {	4148	sub wait_for_tick() {
3446	return unless $TICK_WATCHER->is_active;	4149	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3447	return if $Coro::current == $Coro::main;
3448		4150
3449	my $signal = new Coro::Signal;	4151	$WAIT_FOR_TICK->wait;
3450	push @WAIT_FOR_TICK, $signal;
3451	$signal->wait;
3452	}	4152	}
3453		4153
3454	sub wait_for_tick_begin {	4154	sub wait_for_tick_begin() {
3455	return unless $TICK_WATCHER->is_active;	4155	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3456	return if $Coro::current == $Coro::main;
3457		4156
3458	my $signal = new Coro::Signal;	4157	my $signal = new Coro::Signal;
3459	push @WAIT_FOR_TICK_BEGIN, $signal;	4158	push @WAIT_FOR_TICK_BEGIN, $signal;
3460	$signal->wait;	4159	$signal->wait;
3461	}	4160	}
3462		4161
3463	our $stat_fh;	4162	sub tick {
3464	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
3465
3466	$TICK_WATCHER = Event->timer (
3467	reentrant => 0,
3468	parked => 1,
3469	prio => 0,
3470	at => $NEXT_TICK || $TICK,
3471	data => WF_AUTOCANCEL,
3472	cb => sub {
3473	if ($Coro::current != $Coro::main) {	4163	if ($Coro::current != $Coro::main) {
3474	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4164	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3475	unless ++$bug_warning > 10;	4165	unless ++$bug_warning > 10;
3476	return;	4166	return;
3477	}	4167	}
3478		4168
3479	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#	4169	cf::one_tick; # one server iteration
3480		4170
3481	$NOW = $tick_start = Event::time;	4171	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3482		4172
3483	cf::server_tick; # one server iteration
3484
3485	$RUNTIME += $TICK;
3486	$NEXT_TICK += $TICK;
3487
3488	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4173	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3489	$NEXT_RUNTIME_WRITE = $NOW + 10;	4174	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3490	Coro::async_pool {	4175	Coro::async_pool {
		4176	$Coro::current->{desc} = "runtime saver";
3491	write_runtime	4177	write_runtime_sync
3492	or warn "ERROR: unable to write runtime file: $!";	4178	or error "ERROR: unable to write runtime file: $!";
3493	};
3494	}	4179	};
		4180	}
3495		4181
3496	# my $AFTER = Event::time;
3497	# warn $AFTER - $NOW;#d#
3498
3499	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4182	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3500	$sig->send;	4183	$sig->send;
3501	}	4184	}
3502	while (my $sig = shift @WAIT_FOR_TICK) {	4185	$WAIT_FOR_TICK->broadcast;
3503	$sig->send;
3504	}
3505		4186
3506	$NOW = Event::time;	4187	$LOAD = ($NOW - $TICK_START) / $TICK;
3507
3508	# if we are delayed by four ticks or more, skip them all
3509	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3510
3511	$TICK_WATCHER->at ($NEXT_TICK);
3512	$TICK_WATCHER->start;
3513
3514	$LOAD = ($NOW - $tick_start) / $TICK;
3515	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4188	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3516		4189
3517	_post_tick;	4190	if (0) {
3518		4191	if ($NEXT_TICK) {
3519	# gather some statistics#d#	4192	my $jitter = $TICK_START - $NEXT_TICK;
3520	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#	4193	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3521	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#	4194	debug "jitter $JITTER\n";#d#
		4195	}
3522	},	4196	}
3523	);	4197	}
3524		4198
3525	{	4199	{
		4200	# configure BDB
		4201
3526	BDB::min_parallel 8;	4202	BDB::min_parallel 16;
3527	BDB::max_poll_time $TICK * 0.1;	4203	BDB::max_poll_reqs $TICK * 0.1;
3528	$BDB_POLL_WATCHER = Event->io (	4204	#$AnyEvent::BDB::WATCHER->priority (1);
3529	reentrant => 0,
3530	fd => BDB::poll_fileno,
3531	poll => 'r',
3532	prio => 0,
3533	data => WF_AUTOCANCEL,
3534	cb => \&BDB::poll_cb,
3535	);
3536
3537	BDB::set_sync_prepare {
3538	my $status;
3539	my $current = $Coro::current;
3540	(
3541	sub {
3542	$status = $!;
3543	$current->ready; undef $current;
3544	},
3545	sub {
3546	Coro::schedule while defined $current;
3547	$! = $status;
3548	},
3549	)
3550	};
3551		4205
3552	unless ($DB_ENV) {	4206	unless ($DB_ENV) {
3553	$DB_ENV = BDB::db_env_create;	4207	$DB_ENV = BDB::db_env_create;
		4208	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4209	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4210	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4211	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4212	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3554		4213
3555	cf::sync_job {	4214	cf::sync_job {
3556	eval {	4215	eval {
3557	BDB::db_env_open	4216	BDB::db_env_open
3558	$DB_ENV,	4217	$DB_ENV,
…		…
3560	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4219	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3561	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4220	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3562	0666;	4221	0666;
3563		4222
3564	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4223	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3565
3566	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3567	| BDB::LOG_AUTOREMOVE, 1);
3568	$DB_ENV->set_lk_detect;
3569	};	4224	};
3570		4225
3571	cf::cleanup "db_env_open(db): $@" if $@;	4226	cf::cleanup "db_env_open(db): $@" if $@;
3572	};	4227	};
3573	}	4228	}
3574		4229
3575	$BDB_CHECKPOINT_WATCHER = Event->timer (	4230	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3576	after => 11,	4231	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3577	interval => 60,	4232	};
3578	hard => 1,	4233	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3579	prio => 0,
3580	data => WF_AUTOCANCEL,
3581	cb => sub {
3582	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4234	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3583	},
3584	);	4235	};
3585	$BDB_TRICKLE_WATCHER = Event->timer (	4236	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3586	after => 5,
3587	interval => 10,
3588	hard => 1,
3589	prio => 0,
3590	data => WF_AUTOCANCEL,
3591	cb => sub {
3592	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4237	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3593	},
3594	);	4238	};
3595	}	4239	}
3596		4240
3597	{	4241	{
		4242	# configure IO::AIO
		4243
3598	IO::AIO::min_parallel 8;	4244	IO::AIO::min_parallel 8;
3599
3600	undef $Coro::AIO::WATCHER;
3601	IO::AIO::max_poll_time $TICK * 0.1;	4245	IO::AIO::max_poll_time $TICK * 0.1;
3602	$AIO_POLL_WATCHER = Event->io (	4246	undef $AnyEvent::AIO::WATCHER;
3603	reentrant => 0,
3604	data => WF_AUTOCANCEL,
3605	fd => IO::AIO::poll_fileno,
3606	poll => 'r',
3607	prio => 6,
3608	cb => \&IO::AIO::poll_cb,
3609	);
3610	}	4247	}
3611		4248
3612	my $_log_backtrace;	4249	our $_log_backtrace;
		4250	our $_log_backtrace_last;
3613		4251
3614	sub _log_backtrace {	4252	sub _log_backtrace {
3615	my ($msg, @addr) = @_;	4253	my ($msg, @addr) = @_;
3616		4254
3617	$msg =~ s/\n//;	4255	$msg =~ s/\n$//;
3618		4256
		4257	if ($_log_backtrace_last eq $msg) {
		4258	LOG llevInfo, "[ABT] $msg\n";
		4259	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3619	# limit the # of concurrent backtraces	4260	# limit the # of concurrent backtraces
3620	if ($_log_backtrace < 2) {	4261	} elsif ($_log_backtrace < 2) {
		4262	$_log_backtrace_last = $msg;
3621	++$_log_backtrace;	4263	++$_log_backtrace;
		4264	my $perl_bt = Carp::longmess $msg;
3622	async {	4265	async {
		4266	$Coro::current->{desc} = "abt $msg";
		4267
3623	my @bt = fork_call {	4268	my @bt = fork_call {
3624	@addr = map { sprintf "%x", $_ } @addr;	4269	@addr = map { sprintf "%x", $_ } @addr;
3625	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4270	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3626	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4271	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3627	or die "addr2line: $!";	4272	or die "addr2line: $!";
…		…
3635	}	4280	}
3636		4281
3637	@funcs	4282	@funcs
3638	};	4283	};
3639		4284
3640	LOG llevInfo, "[ABT] $msg\n";	4285	LOG llevInfo, "[ABT] $perl_bt\n";
		4286	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3641	LOG llevInfo, "[ABT] $_\n" for @bt;	4287	LOG llevInfo, "[ABT] $_\n" for @bt;
3642	--$_log_backtrace;	4288	--$_log_backtrace;
3643	};	4289	};
3644	} else {	4290	} else {
3645	LOG llevInfo, "[ABT] $msg\n";	4291	LOG llevInfo, "[ABT] $msg\n";
3646	LOG llevInfo, "[ABT] [suppressed]\n";	4292	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3647	}	4293	}
3648	}	4294	}
3649		4295
3650	# load additional modules	4296	# load additional modules
3651	use cf::pod;	4297	require "cf/$_.pm" for @EXTRA_MODULES;
		4298	cf::_connect_to_perl_2;
3652		4299
3653	END { cf::emergency_save }	4300	END { cf::emergency_save }
3654		4301
3655	1	4302	1
3656		4303

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