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Revision 1.448 by root, Fri Sep 19 05:30:23 2008 UTC vs.
Revision 1.581 by root, Fri Feb 3 02:04:11 2012 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
18	#	19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use 5.10.0;	25	use common::sense;
25	use utf8;
26	use strict "vars", "subs";
27		26
28	use Symbol;	27	use Symbol;
29	use List::Util;	28	use List::Util;
30	use Socket;	29	use Socket;
31	use EV;	30	use EV;
32	use Opcode;	31	use Opcode;
33	use Safe;	32	use Safe;
34	use Safe::Hole;	33	use Safe::Hole;
35	use Storable ();	34	use Storable ();
		35	use Carp ();
36		36
		37	use Guard ();
37	use Coro ();	38	use Coro ();
38	use Coro::State;	39	use Coro::State;
39	use Coro::Handle;	40	use Coro::Handle;
40	use Coro::EV;	41	use Coro::EV;
41	use Coro::AnyEvent;	42	use Coro::AnyEvent;
42	use Coro::Timer;	43	use Coro::Timer;
43	use Coro::Signal;	44	use Coro::Signal;
44	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
45	use Coro::AnyEvent;	47	use Coro::AnyEvent;
46	use Coro::AIO;	48	use Coro::AIO;
47	use Coro::BDB 1.6;	49	use Coro::BDB 1.6;
48	use Coro::Storable;	50	use Coro::Storable;
49	use Coro::Util ();	51	use Coro::Util ();
50		52
51	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
52	use BDB ();	54	use BDB ();
53	use Data::Dumper;	55	use Data::Dumper;
54	use Digest::MD5;
55	use Fcntl;	56	use Fcntl;
56	use YAML ();	57	use YAML::XS ();
57	use IO::AIO ();	58	use IO::AIO ();
58	use Time::HiRes;	59	use Time::HiRes;
59	use Compress::LZF;	60	use Compress::LZF;
60	use Digest::MD5 ();	61	use Digest::MD5 ();
61		62
…		…
66	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
67	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
68		69
69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
70		71
71	{	72	# make sure c-lzf reinitialises itself
72	# very ugly, but ensure we acquire the storable lock
73
74	sub net_mstore {
75	my $guard = Coro::Storable::guard;
76	&Storable::net_mstore
77	}
78
79	sub mretrieve {
80	my $guard = Coro::Storable::guard;
81	&Storable::mretrieve
82	}
83
84	Compress::LZF::set_serializer "Coro::Storable", "cf::net_mstore", "cf::mretrieve";	73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
85	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
86	}	75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
87		78
88	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;
89		82
90	our %COMMAND = ();	83	our %COMMAND = ();
91	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
92		85
93	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
94	our %EXTCMD = ();	87	our %EXTCMD = ();
95	our %EXTICMD = ();	88	our %EXTICMD = ();
96	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
97	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
98		91
99	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
100	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
101		96
102	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
103	our $DATADIR = datadir;	99	our $DATADIR = datadir;
104	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
105	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
106	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
107	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
108	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
109	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
110	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
111	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
112	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
113	our $PIDFILE = "$LOCALDIR/pid";	110	our $PIDFILE = "$LOCALDIR/pid";
114	our $RUNTIMEFILE = "$LOCALDIR/runtime";	111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
115		112
116	our %RESOURCE;	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;
117		120
118	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
119	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
120	our $NEXT_TICK;	123	our $NEXT_TICK;
121	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
122		125
123	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
124	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
125	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
126	our $DB_ENV;	129	our $DB_ENV;
127		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
128	our %CFG;	133	our %CFG;
129		134
130	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
131	our $RUNTIME;	136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
132	our $NOW;	138	our $NOW;
133		139
134	our (%PLAYER, %PLAYER_LOADING); # all users	140	our (%PLAYER, %PLAYER_LOADING); # all users
135	our (%MAP, %MAP_LOADING ); # all maps	141	our (%MAP, %MAP_LOADING ); # all maps
136	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
…		…
140		146
141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
142	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
143	our $JITTER; # average jitter	149	our $JITTER; # average jitter
144	our $TICK_START; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
145		159
146	binmode STDOUT;	160	binmode STDOUT;
147	binmode STDERR;	161	binmode STDERR;
148		162
149	# read virtual server time, if available	163	# read virtual server time, if available
…		…
151	open my $fh, "<", $RUNTIMEFILE	165	open my $fh, "<", $RUNTIMEFILE
152	or die "unable to read $RUNTIMEFILE file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
153	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
154	}	168	}
155		169
		170	eval "sub TICK() { $TICK } 1" or die;
		171
156	mkdir $_	172	mkdir $_
157	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
158		174
159	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
160		176
161	sub cf::map::normalise;	177	sub cf::map::normalise;
162		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
163	#############################################################################	183	#############################################################################
164		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
165	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
166		197
167	=over 4	198	=over 4
168		199
169	=item $cf::UPTIME	200	=item $cf::UPTIME
170		201
171	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
172		218
173	=item $cf::RUNTIME	219	=item $cf::RUNTIME
174		220
175	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
176	every server tick.	222	every server tick.
…		…
182	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
183	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
184	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
185	database environment.	231	database environment.
186		232
187	=item $cf::NOW
188
189	The time of the last (current) server tick.
190
191	=item $cf::TICK
192
193	The interval between server ticks, in seconds.
194
195	=item $cf::LOADAVG	233	=item $cf::LOADAVG
196		234
197	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
198	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
199	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
208	from wherever your confdir points to.	246	from wherever your confdir points to.
209		247
210	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
211		249
212	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
213	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
214	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
215		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
216	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
217		272
218	This array contains the results of the last C<invoke ()> call. When	273	This array contains the results of the last C<invoke ()> call. When
219	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
220	that call.	275	that call.
221		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
222	=back	283	=back
223		284
224	=cut	285	=cut
225		286
226	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
227	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
228	my $msg = join "", @_;	294	my $msg = join "", @_;
229		295
230	$msg .= "\n"	296	$msg .= "\n"
231	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
232		298
233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
234		300
235	LOG llevError, $msg;	301	LOG llevWarn, $msg;
236	};	302	};
237	}
238		303
239	$Coro::State::DIEHOOK = sub {	304	$Coro::State::DIEHOOK = sub {
240	return unless $^S eq 0; # "eq", not "=="	305	return unless $^S eq 0; # "eq", not "=="
241		306
242	if ($Coro::current == $Coro::main) {#d#	307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
243	warn "DIEHOOK called in main context, Coro bug?\n";#d#	310	error "DIEHOOK called in main context, Coro bug?\n";#d#
244	return;#d#	311	return;#d#
245	}#d#	312	}#d#
246		313
247	# kill coroutine otherwise	314	# kill coroutine otherwise
248	warn Carp::longmess $_[0];
249	Coro::terminate	315	Coro::terminate
250	};	316	};
251
252	$SIG{__DIE__} = sub { }; #d#?
253		317
254	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
255	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
256	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
257	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
271	)) {	335	)) {
272	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
273	}	337	}
274		338
275	$EV::DIED = sub {	339	$EV::DIED = sub {
276	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
277	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
278		347
279	#############################################################################	348	#############################################################################
280		349
281	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
282		351
…		…
303	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
304	$d	373	$d
305	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
306	}	375	}
307		376
		377	=item $scalar = cf::load_file $path
		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
		391	=item $success = cf::replace_file $path, $data, $sync
		392
		393	Atomically replaces the file at the given $path with new $data, and
		394	optionally $sync the data to disk before replacing the file.
		395
		396	=cut
		397
		398	sub replace_file($$;$) {
		399	my ($path, $data, $sync) = @_;
		400
		401	my $lock = cf::lock_acquire ("replace_file:$path");
		402
		403	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		404	or return;
		405
		406	$data = $data->() if ref $data;
		407
		408	length $data == aio_write $fh, 0, (length $data), $data, 0
		409	or return;
		410
		411	!$sync
		412	or !aio_fsync $fh
		413	or return;
		414
		415	aio_close $fh
		416	and return;
		417
		418	aio_rename "$path~", $path
		419	and return;
		420
		421	if ($sync) {
		422	$path =~ s%/[^/]*$%%;
		423	aio_pathsync $path;
		424	}
		425
		426	1
		427	}
		428
308	=item $ref = cf::decode_json $json	429	=item $ref = cf::decode_json $json
309		430
310	Converts a JSON string into the corresponding perl data structure.	431	Converts a JSON string into the corresponding perl data structure.
311		432
312	=item $json = cf::encode_json $ref	433	=item $json = cf::encode_json $ref
…		…
318	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	439	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
319		440
320	sub encode_json($) { $json_coder->encode ($_[0]) }	441	sub encode_json($) { $json_coder->encode ($_[0]) }
321	sub decode_json($) { $json_coder->decode ($_[0]) }	442	sub decode_json($) { $json_coder->decode ($_[0]) }
322		443
		444	=item $ref = cf::decode_storable $scalar
		445
		446	Same as Coro::Storable::thaw, so blocks.
		447
		448	=cut
		449
		450	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		451
		452	=item $ref = cf::decode_yaml $scalar
		453
		454	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		455
		456	=cut
		457
		458	sub decode_yaml($) {
		459	fork_call { YAML::XS::Load $_[0] } @_
		460	}
		461
		462	=item $scalar = cf::unlzf $scalar
		463
		464	Same as Compress::LZF::compress, but takes server ticks into account, so
		465	blocks.
		466
		467	=cut
		468
		469	sub unlzf($) {
		470	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		471	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		472	Compress::LZF::decompress $_[0]
		473	}
		474
		475	=item cf::post_init { BLOCK }
		476
		477	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		478	but I<before> the server starts ticking again.
		479
		480	The codeblock will have a single boolean argument to indicate whether this
		481	is a reload or not.
		482
		483	=cut
		484
		485	sub post_init(&) {
		486	push @POST_INIT, shift;
		487	}
		488
		489	sub _post_init {
		490	trace "running post_init jobs";
		491
		492	# run them in parallel...
		493
		494	my @join;
		495
		496	while () {
		497	push @join, map &Coro::async ($_, 0), @POST_INIT;
		498	@POST_INIT = ();
		499
		500	@join or last;
		501
		502	(pop @join)->join;
		503	}
		504	}
		505
323	=item cf::lock_wait $string	506	=item cf::lock_wait $string
324		507
325	Wait until the given lock is available. See cf::lock_acquire.	508	Wait until the given lock is available. See cf::lock_acquire.
326		509
327	=item my $lock = cf::lock_acquire $string	510	=item my $lock = cf::lock_acquire $string
328		511
329	Wait until the given lock is available and then acquires it and returns	512	Wait until the given lock is available and then acquires it and returns
330	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	513	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
331	for example when the coroutine gets canceled), the lock is automatically	514	for example when the coroutine gets canceled), the lock is automatically
332	returned.	515	returned.
333		516
334	Locks are *not* recursive, locking from the same coro twice results in a	517	Locks are *not* recursive, locking from the same coro twice results in a
335	deadlocked coro.	518	deadlocked coro.
…		…
341		524
342	Return true if the lock is currently active, i.e. somebody has locked it.	525	Return true if the lock is currently active, i.e. somebody has locked it.
343		526
344	=cut	527	=cut
345		528
346	our %LOCK;	529	our $LOCKS = new Coro::SemaphoreSet;
347	our %LOCKER;#d#
348		530
349	sub lock_wait($) {	531	sub lock_wait($) {
350	my ($key) = @_;	532	$LOCKS->wait ($_[0]);
351
352	if ($LOCKER{$key} == $Coro::current) {#d#
353	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
354	return;#d#
355	}#d#
356
357	# wait for lock, if any
358	while ($LOCK{$key}) {
359	push @{ $LOCK{$key} }, $Coro::current;
360	Coro::schedule;
361	}
362	}	533	}
363		534
364	sub lock_acquire($) {	535	sub lock_acquire($) {
365	my ($key) = @_;	536	$LOCKS->guard ($_[0])
366
367	# wait, to be sure we are not locked
368	lock_wait $key;
369
370	$LOCK{$key} = [];
371	$LOCKER{$key} = $Coro::current;#d#
372
373	Coro::guard {
374	delete $LOCKER{$key};#d#
375	# wake up all waiters, to be on the safe side
376	$_->ready for @{ delete $LOCK{$key} };
377	}
378	}	537	}
379		538
380	sub lock_active($) {	539	sub lock_active($) {
381	my ($key) = @_;	540	$LOCKS->count ($_[0]) < 1
382
383	! ! $LOCK{$key}
384	}	541	}
385		542
386	sub freeze_mainloop {	543	sub freeze_mainloop {
387	tick_inhibit_inc;	544	tick_inhibit_inc;
388		545
389	Coro::guard \&tick_inhibit_dec;	546	&Guard::guard (\&tick_inhibit_dec);
390	}	547	}
391		548
392	=item cf::periodic $interval, $cb	549	=item cf::periodic $interval, $cb
393		550
394	Like EV::periodic, but randomly selects a starting point so that the actions	551	Like EV::periodic, but randomly selects a starting point so that the actions
395	get spread over timer.	552	get spread over time.
396		553
397	=cut	554	=cut
398		555
399	sub periodic($$) {	556	sub periodic($$) {
400	my ($interval, $cb) = @_;	557	my ($interval, $cb) = @_;
…		…
404	EV::periodic $start, $interval, 0, $cb	561	EV::periodic $start, $interval, 0, $cb
405	}	562	}
406		563
407	=item cf::get_slot $time[, $priority[, $name]]	564	=item cf::get_slot $time[, $priority[, $name]]
408		565
409	Allocate $time seconds of blocking CPU time at priority C<$priority>:	566	Allocate $time seconds of blocking CPU time at priority C<$priority>
410	This call blocks and returns only when you have at least C<$time> seconds	567	(default: 0): This call blocks and returns only when you have at least
411	of cpu time till the next tick. The slot is only valid till the next cede.	568	C<$time> seconds of cpu time till the next tick. The slot is only valid
		569	till the next cede.
		570
		571	Background jobs should use a priority les than zero, interactive jobs
		572	should use 100 or more.
412		573
413	The optional C<$name> can be used to identify the job to run. It might be	574	The optional C<$name> can be used to identify the job to run. It might be
414	used for statistical purposes and should identify the same time-class.	575	used for statistical purposes and should identify the same time-class.
415		576
416	Useful for short background jobs.	577	Useful for short background jobs.
417		578
418	=cut	579	=cut
419		580
420	our @SLOT_QUEUE;	581	our @SLOT_QUEUE;
421	our $SLOT_QUEUE;	582	our $SLOT_QUEUE;
		583	our $SLOT_DECAY = 0.9;
422		584
423	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	585	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
424	$SLOT_QUEUE = Coro::async {	586	$SLOT_QUEUE = Coro::async {
425	$Coro::current->desc ("timeslot manager");	587	$Coro::current->desc ("timeslot manager");
426		588
427	my $signal = new Coro::Signal;	589	my $signal = new Coro::Signal;
		590	my $busy;
428		591
429	while () {	592	while () {
430	next_job:	593	next_job:
		594
431	my $avail = cf::till_tick;	595	my $avail = cf::till_tick;
432	if ($avail > 0.01) {	596
433	for (0 .. $#SLOT_QUEUE) {	597	for (0 .. $#SLOT_QUEUE) {
434	if ($SLOT_QUEUE[$_][0] < $avail) {	598	if ($SLOT_QUEUE[$_][0] <= $avail) {
		599	$busy = 0;
435	my $job = splice @SLOT_QUEUE, $_, 1, ();	600	my $job = splice @SLOT_QUEUE, $_, 1, ();
436	$job->[2]->send;	601	$job->[2]->send;
437	Coro::cede;	602	Coro::cede;
438	goto next_job;	603	goto next_job;
439	}	604	} else {
		605	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
440	}	606	}
441	}	607	}
442		608
443	if (@SLOT_QUEUE) {	609	if (@SLOT_QUEUE) {
444	# we do not use wait_for_tick() as it returns immediately when tick is inactive	610	# we do not use wait_for_tick() as it returns immediately when tick is inactive
445	push @cf::WAIT_FOR_TICK, $signal;	611	$WAIT_FOR_TICK->wait;
446	$signal->wait;
447	} else {	612	} else {
		613	$busy = 0;
448	Coro::schedule;	614	Coro::schedule;
449	}	615	}
450	}	616	}
451	};	617	};
452		618
453	sub get_slot($;$$) {	619	sub get_slot($;$$) {
454	return if tick_inhibit || $Coro::current == $Coro::main;	620	return if tick_inhibit || $Coro::current == $Coro::main;
455		621
456	my ($time, $pri, $name) = @_;	622	my ($time, $pri, $name) = @_;
457		623
458	$time = $TICK * .6 if $time > $TICK * .6;	624	$time = clamp $time, 0.01, $TICK * .6;
		625
459	my $sig = new Coro::Signal;	626	my $sig = new Coro::Signal;
460		627
461	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	628	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
462	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	629	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
463	$SLOT_QUEUE->ready;	630	$SLOT_QUEUE->ready;
…		…
489	=cut	656	=cut
490		657
491	sub sync_job(&) {	658	sub sync_job(&) {
492	my ($job) = @_;	659	my ($job) = @_;
493		660
494	if ($Coro::current == $Coro::main) {	661	if (in_main) {
495	my $time = EV::time;	662	my $time = AE::time;
496		663
497	# this is the main coro, too bad, we have to block	664	# this is the main coro, too bad, we have to block
498	# till the operation succeeds, freezing the server :/	665	# till the operation succeeds, freezing the server :/
499		666
500	LOG llevError, Carp::longmess "sync job";#d#	667	#LOG llevError, Carp::longmess "sync job";#d#
501		668
502	my $freeze_guard = freeze_mainloop;	669	my $freeze_guard = freeze_mainloop;
503		670
504	my $busy = 1;	671	my $busy = 1;
505	my @res;	672	my @res;
506		673
507	(async {	674	(async {
508	$Coro::current->desc ("sync job coro");	675	$Coro::current->desc ("sync job coro");
509	@res = eval { $job->() };	676	@res = eval { $job->() };
510	warn $@ if $@;	677	error $@ if $@;
511	undef $busy;	678	undef $busy;
512	})->prio (Coro::PRIO_MAX);	679	})->prio (Coro::PRIO_MAX);
513		680
514	while ($busy) {	681	while ($busy) {
515	if (Coro::nready) {	682	if (Coro::nready) {
…		…
517	} else {	684	} else {
518	EV::loop EV::LOOP_ONESHOT;	685	EV::loop EV::LOOP_ONESHOT;
519	}	686	}
520	}	687	}
521		688
522	my $time = EV::time - $time;	689	my $time = AE::time - $time;
523		690
524	$TICK_START += $time; # do not account sync jobs to server load	691	$TICK_START += $time; # do not account sync jobs to server load
525		692
526	wantarray ? @res : $res[0]	693	wantarray ? @res : $res[0]
527	} else {	694	} else {
…		…
549	$EXT_CORO{$coro+0} = $coro;	716	$EXT_CORO{$coro+0} = $coro;
550		717
551	$coro	718	$coro
552	}	719	}
553		720
554	=item fork_call { }, $args	721	=item fork_call { }, @args
555		722
556	Executes the given code block with the given arguments in a seperate	723	Executes the given code block with the given arguments in a seperate
557	process, returning the results. Everything must be serialisable with	724	process, returning the results. Everything must be serialisable with
558	Coro::Storable. May, of course, block. Note that the executed sub may	725	Coro::Storable. May, of course, block. Note that the executed sub may
559	never block itself or use any form of event handling.	726	never block itself or use any form of event handling.
560		727
561	=cut	728	=cut
562		729
		730	sub post_fork {
		731	reset_signals;
		732	}
		733
563	sub fork_call(&@) {	734	sub fork_call(&@) {
564	my ($cb, @args) = @_;	735	my ($cb, @args) = @_;
565		736
566	# we seemingly have to make a local copy of the whole thing,	737	# we seemingly have to make a local copy of the whole thing,
567	# otherwise perl prematurely frees the stuff :/	738	# otherwise perl prematurely frees the stuff :/
568	# TODO: investigate and fix (likely this will be rather laborious)	739	# TODO: investigate and fix (likely this will be rather laborious)
569		740
570	my @res = Coro::Util::fork_eval {	741	my @res = Coro::Util::fork_eval {
571	reset_signals;	742	cf::post_fork;
572	&$cb	743	&$cb
573	}, @args;	744	} @args;
574		745
575	wantarray ? @res : $res[-1]	746	wantarray ? @res : $res[-1]
		747	}
		748
		749	sub objinfo {
		750	(
		751	"counter value" => cf::object::object_count,
		752	"objects created" => cf::object::create_count,
		753	"objects destroyed" => cf::object::destroy_count,
		754	"freelist size" => cf::object::free_count,
		755	"allocated objects" => cf::object::objects_size,
		756	"active objects" => cf::object::actives_size,
		757	)
576	}	758	}
577		759
578	=item $coin = coin_from_name $name	760	=item $coin = coin_from_name $name
579		761
580	=cut	762	=cut
…		…
617	within each server.	799	within each server.
618		800
619	=cut	801	=cut
620		802
621	sub db_table($) {	803	sub db_table($) {
		804	cf::error "db_get called from main context"
		805	if $Coro::current == $Coro::main;
		806
622	my ($name) = @_;	807	my ($name) = @_;
623	my $db = BDB::db_create $DB_ENV;	808	my $db = BDB::db_create $DB_ENV;
624		809
625	eval {	810	eval {
626	$db->set_flags (BDB::CHKSUM);	811	$db->set_flags (BDB::CHKSUM);
…		…
636	}	821	}
637		822
638	our $DB;	823	our $DB;
639		824
640	sub db_init {	825	sub db_init {
641	cf::sync_job {
642	$DB ||= db_table "db";	826	$DB ||= db_table "db";
643	};
644	}	827	}
645		828
646	sub db_get($$) {	829	sub db_get($$) {
647	my $key = "$_[0]/$_[1]";	830	my $key = "$_[0]/$_[1]";
648		831
649	cf::sync_job {	832	cf::error "db_get called from main context"
		833	if $Coro::current == $Coro::main;
		834
650	BDB::db_get $DB, undef, $key, my $data;	835	BDB::db_get $DB, undef, $key, my $data;
651		836
652	$! ? ()	837	$! ? ()
653	: $data	838	: $data
654	}
655	}	839	}
656		840
657	sub db_put($$$) {	841	sub db_put($$$) {
658	BDB::dbreq_pri 4;	842	BDB::dbreq_pri 4;
659	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	843	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
687		871
688	my @data;	872	my @data;
689	my $md5;	873	my $md5;
690		874
691	for (0 .. $#$src) {	875	for (0 .. $#$src) {
692	0 <= aio_load $src->[$_], $data[$_]	876	$data[$_] = load_file $src->[$_];
693	or Carp::croak "$src->[$_]: $!";
694	}	877	}
695		878
696	# if processing is expensive, check	879	# if processing is expensive, check
697	# checksum first	880	# checksum first
698	if (1) {	881	if (1) {
…		…
715		898
716	my $t1 = Time::HiRes::time;	899	my $t1 = Time::HiRes::time;
717	my $data = $process->(\@data);	900	my $data = $process->(\@data);
718	my $t2 = Time::HiRes::time;	901	my $t2 = Time::HiRes::time;
719		902
720	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	903	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
721		904
722	db_put cache => "$id/data", $data;	905	db_put cache => "$id/data", $data;
723	db_put cache => "$id/md5" , $md5;	906	db_put cache => "$id/md5" , $md5;
724	db_put cache => "$id/meta", $meta;	907	db_put cache => "$id/meta", $meta;
725		908
…		…
735		918
736	=cut	919	=cut
737		920
738	sub datalog($@) {	921	sub datalog($@) {
739	my ($type, %kv) = @_;	922	my ($type, %kv) = @_;
740	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	923	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
741	}	924	}
742		925
743	=back	926	=back
744		927
745	=cut	928	=cut
…		…
940		1123
941	} elsif (exists $cb_id{$type}) {	1124	} elsif (exists $cb_id{$type}) {
942	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1125	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
943		1126
944	} elsif (ref $type) {	1127	} elsif (ref $type) {
945	warn "attaching objects not supported, ignoring.\n";	1128	error "attaching objects not supported, ignoring.\n";
946		1129
947	} else {	1130	} else {
948	shift @arg;	1131	shift @arg;
949	warn "attach argument '$type' not supported, ignoring.\n";	1132	error "attach argument '$type' not supported, ignoring.\n";
950	}	1133	}
951	}	1134	}
952	}	1135	}
953		1136
954	sub _object_attach {	1137	sub _object_attach {
…		…
964	_attach $registry, $klass, @attach;	1147	_attach $registry, $klass, @attach;
965	}	1148	}
966		1149
967	$obj->{$name} = \%arg;	1150	$obj->{$name} = \%arg;
968	} else {	1151	} else {
969	warn "object uses attachment '$name' which is not available, postponing.\n";	1152	info "object uses attachment '$name' which is not available, postponing.\n";
970	}	1153	}
971		1154
972	$obj->{_attachment}{$name} = undef;	1155	$obj->{_attachment}{$name} = undef;
973	}	1156	}
974		1157
…		…
1033		1216
1034	for (@$callbacks) {	1217	for (@$callbacks) {
1035	eval { &{$_->[1]} };	1218	eval { &{$_->[1]} };
1036		1219
1037	if ($@) {	1220	if ($@) {
1038	warn "$@";
1039	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1221	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1040	override;	1222	override;
1041	}	1223	}
1042		1224
1043	return 1 if $override;	1225	return 1 if $override;
1044	}	1226	}
…		…
1123	for (@$attach) {	1305	for (@$attach) {
1124	my ($klass, @attach) = @$_;	1306	my ($klass, @attach) = @$_;
1125	_attach $registry, $klass, @attach;	1307	_attach $registry, $klass, @attach;
1126	}	1308	}
1127	} else {	1309	} else {
1128	warn "object uses attachment '$name' that is not available, postponing.\n";	1310	info "object uses attachment '$name' that is not available, postponing.\n";
1129	}	1311	}
1130	}	1312	}
1131	}	1313	}
1132		1314
1133	cf::attachable->attach (	1315	cf::attachable->attach (
…		…
1160	my ($filename, $rdata, $objs) = @_;	1342	my ($filename, $rdata, $objs) = @_;
1161		1343
1162	sync_job {	1344	sync_job {
1163	if (length $$rdata) {	1345	if (length $$rdata) {
1164	utf8::decode (my $decname = $filename);	1346	utf8::decode (my $decname = $filename);
1165	warn sprintf "saving %s (%d,%d)\n",	1347	trace sprintf "saving %s (%d,%d)\n",
1166	$decname, length $$rdata, scalar @$objs;	1348	$decname, length $$rdata, scalar @$objs
		1349	if $VERBOSE_IO;
1167		1350
1168	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1351	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1169	aio_chmod $fh, SAVE_MODE;	1352	aio_chmod $fh, SAVE_MODE;
1170	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1353	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1171	aio_fsync $fh if $cf::USE_FSYNC;	1354	if ($cf::USE_FSYNC) {
		1355	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;
		1356	aio_fsync $fh;
		1357	}
1172	aio_close $fh;	1358	aio_close $fh;
1173		1359
1174	if (@$objs) {	1360	if (@$objs) {
1175	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1361	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1176	aio_chmod $fh, SAVE_MODE;	1362	aio_chmod $fh, SAVE_MODE;
1177	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1363	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1178	aio_write $fh, 0, (length $data), $data, 0;	1364	aio_write $fh, 0, (length $data), $data, 0;
1179	aio_fsync $fh if $cf::USE_FSYNC;	1365	if ($cf::USE_FSYNC) {
		1366	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;
		1367	aio_fsync $fh;
		1368	}
1180	aio_close $fh;	1369	aio_close $fh;
1181	aio_rename "$filename.pst~", "$filename.pst";	1370	aio_rename "$filename.pst~", "$filename.pst";
1182	}	1371	}
1183	} else {	1372	} else {
1184	aio_unlink "$filename.pst";	1373	aio_unlink "$filename.pst";
1185	}	1374	}
1186		1375
1187	aio_rename "$filename~", $filename;	1376	aio_rename "$filename~", $filename;
		1377
		1378	$filename =~ s%/[^/]+$%%;
		1379	aio_pathsync $filename if $cf::USE_FSYNC;
1188	} else {	1380	} else {
1189	warn "FATAL: $filename~: $!\n";	1381	error "unable to save objects: $filename~: $!\n";
1190	}	1382	}
1191	} else {	1383	} else {
1192	aio_unlink $filename;	1384	aio_unlink $filename;
1193	aio_unlink "$filename.pst";	1385	aio_unlink "$filename.pst";
1194	}	1386	}
…		…
1218	my $st = eval { Coro::Storable::thaw $av };	1410	my $st = eval { Coro::Storable::thaw $av };
1219	$av = $st->{objs};	1411	$av = $st->{objs};
1220	}	1412	}
1221		1413
1222	utf8::decode (my $decname = $filename);	1414	utf8::decode (my $decname = $filename);
1223	warn sprintf "loading %s (%d,%d)\n",	1415	trace sprintf "loading %s (%d,%d)\n",
1224	$decname, length $data, scalar @{$av || []};	1416	$decname, length $data, scalar @{$av || []}
		1417	if $VERBOSE_IO;
1225		1418
1226	($data, $av)	1419	($data, $av)
1227	}	1420	}
1228		1421
1229	=head2 COMMAND CALLBACKS	1422	=head2 COMMAND CALLBACKS
…		…
1285	my ($name, $cb) = @_;	1478	my ($name, $cb) = @_;
1286		1479
1287	$EXTICMD{$name} = $cb;	1480	$EXTICMD{$name} = $cb;
1288	}	1481	}
1289		1482
		1483	use File::Glob ();
		1484
1290	cf::player->attach (	1485	cf::player->attach (
1291	on_command => sub {	1486	on_unknown_command => sub {
1292	my ($pl, $name, $params) = @_;	1487	my ($pl, $name, $params) = @_;
1293		1488
1294	my $cb = $COMMAND{$name}	1489	my $cb = $COMMAND{$name}
1295	or return;	1490	or return;
1296		1491
…		…
1304	my ($pl, $buf) = @_;	1499	my ($pl, $buf) = @_;
1305		1500
1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1501	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1307		1502
1308	if (ref $msg) {	1503	if (ref $msg) {
1309	my ($type, $reply, @payload) =	1504	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1310	"ARRAY" eq ref $msg
1311	? @$msg
1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1313		1505
1314	my @reply;	1506	my @reply;
1315		1507
1316	if (my $cb = $EXTCMD{$type}) {	1508	if (my $cb = $EXTCMD{$type}) {
1317	@reply = $cb->($pl, @payload);	1509	@reply = $cb->($pl, @payload);
…		…
1319		1511
1320	$pl->ext_reply ($reply, @reply)	1512	$pl->ext_reply ($reply, @reply)
1321	if $reply;	1513	if $reply;
1322		1514
1323	} else {	1515	} else {
1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1516	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1325	}	1517	}
1326		1518
1327	cf::override;	1519	cf::override;
1328	},	1520	},
1329	);	1521	);
1330		1522
		1523	# "readahead" all extensions
		1524	sub cache_extensions {
		1525	my $grp = IO::AIO::aio_group;
		1526
		1527	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1528	for (grep /\.ext$/, @{$_[0]}) {
		1529	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1530	}
		1531	};
		1532
		1533	$grp
		1534	}
		1535
1331	sub load_extensions {	1536	sub load_extensions {
		1537	info "loading extensions...";
		1538
1332	cf::sync_job {	1539	cf::sync_job {
1333	my %todo;	1540	my %todo;
1334		1541
1335	for my $path (<$LIBDIR/*.ext>) {	1542	for my $path (<$LIBDIR/*.ext>) {
1336	next unless -r $path;	1543	next unless -r $path;
…		…
1354		1561
1355	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1562	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1356	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1563	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1357		1564
1358	$ext{source} =	1565	$ext{source} =
1359	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1566	"package $pkg; use common::sense;\n"
1360	. "#line 1 \"$path\"\n{\n"	1567	. "#line 1 \"$path\"\n{\n"
1361	. $source	1568	. $source
1362	. "\n};\n1";	1569	. "\n};\n1";
1363		1570
1364	$todo{$base} = \%ext;	1571	$todo{$base} = \%ext;
1365	}	1572	}
1366		1573
		1574	my $pass = 0;
1367	my %done;	1575	my %done;
1368	while (%todo) {	1576	while (%todo) {
1369	my $progress;	1577	my $progress;
1370		1578
		1579	++$pass;
		1580
		1581	ext:
1371	while (my ($k, $v) = each %todo) {	1582	while (my ($k, $v) = each %todo) {
1372	for (split /,\s*/, $v->{meta}{depends}) {	1583	for (split /,\s*/, $v->{meta}{depends}) {
1373	goto skip	1584	next ext
1374	unless exists $done{$_};	1585	unless exists $done{$_};
1375	}	1586	}
1376		1587
1377	warn "... loading '$k' into '$v->{pkg}'\n";	1588	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1378		1589
1379	unless (eval $v->{source}) {	1590	my $active = eval $v->{source};
		1591
		1592	if (length $@) {
1380	my $msg = $@ ? "$v->{path}: $@\n"	1593	error "$v->{path}: $@\n";
1381	: "$v->{base}: extension inactive.\n";
1382		1594
1383	if (exists $v->{meta}{mandatory}) {
1384	warn $msg;
1385	cf::cleanup "mandatory extension failed to load, exiting.";	1595	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1386	}	1596	if exists $v->{meta}{mandatory};
1387		1597
1388	warn $msg;	1598	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1599	delete $todo{$k};
		1600	} else {
		1601	$done{$k} = delete $todo{$k};
		1602	push @EXTS, $v->{pkg};
		1603	$progress = 1;
		1604
		1605	info "$v->{base}: extension inactive.\n"
		1606	unless $active;
1389	}	1607	}
1390
1391	$done{$k} = delete $todo{$k};
1392	push @EXTS, $v->{pkg};
1393	$progress = 1;
1394	}	1608	}
1395		1609
1396	skip:	1610	unless ($progress) {
1397	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1611	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1398	unless $progress;	1612
		1613	while (my ($k, $v) = each %todo) {
		1614	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1615	if exists $v->{meta}{mandatory};
		1616	}
		1617
		1618	last;
		1619	}
1399	}	1620	}
1400	};	1621	};
1401	}	1622	}
1402		1623
1403	#############################################################################	1624	#############################################################################
…		…
1457		1678
1458	sub exists($) {	1679	sub exists($) {
1459	my ($login) = @_;	1680	my ($login) = @_;
1460		1681
1461	$cf::PLAYER{$login}	1682	$cf::PLAYER{$login}
1462	or cf::sync_job { !aio_stat path $login }	1683	or !aio_stat path $login
1463	}	1684	}
1464		1685
1465	sub find($) {	1686	sub find($) {
1466	return $cf::PLAYER{$_[0]} || do {	1687	return $cf::PLAYER{$_[0]} || do {
1467	my $login = $_[0];	1688	my $login = $_[0];
…		…
1487	$cf::PLAYER{$login} = $pl	1708	$cf::PLAYER{$login} = $pl
1488	}	1709	}
1489	}	1710	}
1490	}	1711	}
1491		1712
		1713	cf::player->attach (
		1714	on_load => sub {
		1715	my ($pl, $path) = @_;
		1716
		1717	# restore slots saved in save, below
		1718	my $slots = delete $pl->{_slots};
		1719
		1720	$pl->ob->current_weapon ($slots->[0]);
		1721	$pl->combat_ob ($slots->[1]);
		1722	$pl->ranged_ob ($slots->[2]);
		1723	},
		1724	);
		1725
1492	sub save($) {	1726	sub save($) {
1493	my ($pl) = @_;	1727	my ($pl) = @_;
1494		1728
1495	return if $pl->{deny_save};	1729	return if $pl->{deny_save};
1496		1730
…		…
1501		1735
1502	aio_mkdir playerdir $pl, 0770;	1736	aio_mkdir playerdir $pl, 0770;
1503	$pl->{last_save} = $cf::RUNTIME;	1737	$pl->{last_save} = $cf::RUNTIME;
1504		1738
1505	cf::get_slot 0.01;	1739	cf::get_slot 0.01;
		1740
		1741	# save slots, to be restored later
		1742	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1506		1743
1507	$pl->save_pl ($path);	1744	$pl->save_pl ($path);
1508	cf::cede_to_tick;	1745	cf::cede_to_tick;
1509	}	1746	}
1510		1747
…		…
1544	my $name = $pl->ob->name;	1781	my $name = $pl->ob->name;
1545		1782
1546	$pl->{deny_save} = 1;	1783	$pl->{deny_save} = 1;
1547	$pl->password ("*"); # this should lock out the player until we have nuked the dir	1784	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1548		1785
1549	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1786	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1550	$pl->deactivate;	1787	$pl->deactivate;
		1788
1551	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1789	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1552	$pl->ob->check_score;
1553	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1790	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1791	ext::highscore::check ($pl->ob);
		1792
1554	$pl->ns->destroy if $pl->ns;	1793	$pl->ns->destroy if $pl->ns;
1555		1794
1556	my $path = playerdir $pl;	1795	my $path = playerdir $pl;
1557	my $temp = "$path~$cf::RUNTIME~deleting~";	1796	my $temp = "$path~$cf::RUNTIME~deleting~";
1558	aio_rename $path, $temp;	1797	aio_rename $path, $temp;
…		…
1612	\@logins	1851	\@logins
1613	}	1852	}
1614		1853
1615	=item $player->maps	1854	=item $player->maps
1616		1855
		1856	=item cf::player::maps $login
		1857
1617	Returns an arrayref of map paths that are private for this	1858	Returns an arrayref of map paths that are private for this
1618	player. May block.	1859	player. May block.
1619		1860
1620	=cut	1861	=cut
1621		1862
…		…
1683	=cut	1924	=cut
1684		1925
1685	sub find_by_path($) {	1926	sub find_by_path($) {
1686	my ($path) = @_;	1927	my ($path) = @_;
1687		1928
		1929	$path =~ s/^~[^\/]*//; # skip ~login
		1930
1688	my ($match, $specificity);	1931	my ($match, $specificity);
1689		1932
1690	for my $region (list) {	1933	for my $region (list) {
1691	if ($region->{match} && $path =~ $region->{match}) {	1934	if ($region->{match} && $path =~ $region->{match}) {
1692	($match, $specificity) = ($region, $region->specificity)	1935	($match, $specificity) = ($region, $region->specificity)
…		…
1720	sub generate_random_map {	1963	sub generate_random_map {
1721	my ($self, $rmp) = @_;	1964	my ($self, $rmp) = @_;
1722		1965
1723	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	1966	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1724		1967
1725	# mit "rum" bekleckern, nicht
1726	$self->_create_random_map (	1968	$self->_create_random_map ($rmp);
1727	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1728	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1729	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1730	$rmp->{exit_on_final_map},
1731	$rmp->{xsize}, $rmp->{ysize},
1732	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1733	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1734	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1735	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1736	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1737	(cf::region::find $rmp->{region}), $rmp->{custom}
1738	)
1739	}	1969	}
1740		1970
1741	=item cf::map->register ($regex, $prio)	1971	=item cf::map->register ($regex, $prio)
1742		1972
1743	Register a handler for the map path matching the given regex at the	1973	Register a handler for the map path matching the given regex at the
…		…
1748		1978
1749	sub register {	1979	sub register {
1750	my (undef, $regex, $prio) = @_;	1980	my (undef, $regex, $prio) = @_;
1751	my $pkg = caller;	1981	my $pkg = caller;
1752		1982
1753	no strict;
1754	push @{"$pkg\::ISA"}, __PACKAGE__;	1983	push @{"$pkg\::ISA"}, __PACKAGE__;
1755		1984
1756	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1985	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1757	}	1986	}
1758		1987
1759	# also paths starting with '/'	1988	# also paths starting with '/'
1760	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1989	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1761		1990
1762	sub thawer_merge {	1991	sub thawer_merge {
1763	my ($self, $merge) = @_;	1992	my ($self, $merge) = @_;
1764		1993
1765	# we have to keep some variables in memory intact	1994	# we have to keep some variables in memory intact
…		…
1770	}	1999	}
1771		2000
1772	sub normalise {	2001	sub normalise {
1773	my ($path, $base) = @_;	2002	my ($path, $base) = @_;
1774		2003
1775	$path = "$path"; # make sure its a string	2004	$path = "$path"; # make sure it's a string
1776		2005
1777	$path =~ s/\.map$//;	2006	$path =~ s/\.map$//;
1778		2007
1779	# map plan:	2008	# map plan:
1780	#	2009	#
…		…
1795	$base =~ s{[^/]+/?$}{};	2024	$base =~ s{[^/]+/?$}{};
1796	$path = "$base/$path";	2025	$path = "$base/$path";
1797	}	2026	}
1798		2027
1799	for ($path) {	2028	for ($path) {
1800	redo if s{//}{/};
1801	redo if s{/\.?/}{/};	2029	redo if s{/\.?/}{/};
1802	redo if s{/[^/]+/\.\./}{/};	2030	redo if s{/[^/]+/\.\./}{/};
1803	}	2031	}
1804		2032
1805	$path	2033	$path
…		…
1819	$self->init; # pass $1 etc.	2047	$self->init; # pass $1 etc.
1820	return $self;	2048	return $self;
1821	}	2049	}
1822	}	2050	}
1823		2051
1824	Carp::cluck "unable to resolve path '$path' (base '$base').";	2052	Carp::cluck "unable to resolve path '$path' (base '$base')";
1825	()	2053	()
1826	}	2054	}
1827		2055
		2056	# may re-bless or do other evil things
1828	sub init {	2057	sub init {
1829	my ($self) = @_;	2058	my ($self) = @_;
1830		2059
1831	$self	2060	$self
1832	}	2061	}
…		…
1863		2092
1864	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2093	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1865	"$UNIQUEDIR/$path"	2094	"$UNIQUEDIR/$path"
1866	}	2095	}
1867		2096
1868	# and all this just because we cannot iterate over
1869	# all maps in C++...
1870	sub change_all_map_light {
1871	my ($change) = @_;
1872
1873	$_->change_map_light ($change)
1874	for grep $_->outdoor, values %cf::MAP;
1875	}
1876
1877	sub decay_objects {	2097	sub decay_objects {
1878	my ($self) = @_;	2098	my ($self) = @_;
1879		2099
1880	return if $self->{deny_reset};	2100	return if $self->{deny_reset};
1881		2101
…		…
1906	$self->{load_path} = $path;	2126	$self->{load_path} = $path;
1907		2127
1908	1	2128	1
1909	}	2129	}
1910		2130
		2131	# used to laod the header of an original map
1911	sub load_header_orig {	2132	sub load_header_orig {
1912	my ($self) = @_;	2133	my ($self) = @_;
1913		2134
1914	$self->load_header_from ($self->load_path)	2135	$self->load_header_from ($self->load_path)
1915	}	2136	}
1916		2137
		2138	# used to laod the header of an instantiated map
1917	sub load_header_temp {	2139	sub load_header_temp {
1918	my ($self) = @_;	2140	my ($self) = @_;
1919		2141
1920	$self->load_header_from ($self->save_path)	2142	$self->load_header_from ($self->save_path)
1921	}	2143	}
1922		2144
		2145	# called after loading the header from an instantiated map
1923	sub prepare_temp {	2146	sub prepare_temp {
1924	my ($self) = @_;	2147	my ($self) = @_;
1925		2148
1926	$self->last_access ((delete $self->{last_access})	2149	$self->last_access ((delete $self->{last_access})
1927	|| $cf::RUNTIME); #d#	2150	|| $cf::RUNTIME); #d#
1928	# safety	2151	# safety
1929	$self->{instantiate_time} = $cf::RUNTIME	2152	$self->{instantiate_time} = $cf::RUNTIME
1930	if $self->{instantiate_time} > $cf::RUNTIME;	2153	if $self->{instantiate_time} > $cf::RUNTIME;
1931	}	2154	}
1932		2155
		2156	# called after loading the header from an original map
1933	sub prepare_orig {	2157	sub prepare_orig {
1934	my ($self) = @_;	2158	my ($self) = @_;
1935		2159
1936	$self->{load_original} = 1;	2160	$self->{load_original} = 1;
1937	$self->{instantiate_time} = $cf::RUNTIME;	2161	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1961		2185
1962	sub find;	2186	sub find;
1963	sub find {	2187	sub find {
1964	my ($path, $origin) = @_;	2188	my ($path, $origin) = @_;
1965		2189
		2190	cf::cede_to_tick;
		2191
1966	$path = normalise $path, $origin && $origin->path;	2192	$path = normalise $path, $origin;
1967		2193
1968	cf::lock_wait "map_data:$path";#d#remove	2194	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1969	cf::lock_wait "map_find:$path";	2195	my $guard2 = cf::lock_acquire "map_find:$path";
1970		2196
1971	$cf::MAP{$path} || do {	2197	$cf::MAP{$path} || do {
1972	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1973	my $guard2 = cf::lock_acquire "map_find:$path";
1974
1975	my $map = new_from_path cf::map $path	2198	my $map = new_from_path cf::map $path
1976	or return;	2199	or return;
1977		2200
1978	$map->{last_save} = $cf::RUNTIME;	2201	$map->{last_save} = $cf::RUNTIME;
1979		2202
…		…
1991		2214
1992	$cf::MAP{$path} = $map	2215	$cf::MAP{$path} = $map
1993	}	2216	}
1994	}	2217	}
1995		2218
1996	sub pre_load { }	2219	sub pre_load { }
1997	sub post_load { }	2220	#sub post_load { } # XS
1998		2221
1999	sub load {	2222	sub load {
2000	my ($self) = @_;	2223	my ($self) = @_;
2001		2224
2002	local $self->{deny_reset} = 1; # loading can take a long time	2225	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2005		2228
2006	{	2229	{
2007	my $guard = cf::lock_acquire "map_data:$path";	2230	my $guard = cf::lock_acquire "map_data:$path";
2008		2231
2009	return unless $self->valid;	2232	return unless $self->valid;
2010	return unless $self->in_memory == cf::MAP_SWAPPED;	2233	return unless $self->state == cf::MAP_SWAPPED;
2011
2012	$self->in_memory (cf::MAP_LOADING);
2013		2234
2014	$self->alloc;	2235	$self->alloc;
2015		2236
2016	$self->pre_load;	2237	$self->pre_load;
2017	cf::cede_to_tick;	2238	cf::cede_to_tick;
2018		2239
		2240	if (exists $self->{load_path}) {
2019	my $f = new_from_file cf::object::thawer $self->{load_path};	2241	my $f = new_from_file cf::object::thawer $self->{load_path};
2020	$f->skip_block;	2242	$f->skip_block;
2021	$self->_load_objects ($f)	2243	$self->_load_objects ($f)
2022	or return;	2244	or return;
2023		2245
2024	$self->post_load_original	2246	$self->post_load_original
2025	if delete $self->{load_original};	2247	if delete $self->{load_original};
2026		2248
2027	if (my $uniq = $self->uniq_path) {	2249	if (my $uniq = $self->uniq_path) {
2028	utf8::encode $uniq;	2250	utf8::encode $uniq;
2029	unless (aio_stat $uniq) {	2251	unless (aio_stat $uniq) {
2030	if (my $f = new_from_file cf::object::thawer $uniq) {	2252	if (my $f = new_from_file cf::object::thawer $uniq) {
2031	$self->clear_unique_items;	2253	$self->clear_unique_items;
2032	$self->_load_objects ($f);	2254	$self->_load_objects ($f);
2033	$f->resolve_delayed_derefs;	2255	$f->resolve_delayed_derefs;
		2256	}
2034	}	2257	}
2035	}	2258	}
2036	}
2037		2259
2038	$f->resolve_delayed_derefs;	2260	$f->resolve_delayed_derefs;
		2261	} else {
		2262	$self->post_load_original
		2263	if delete $self->{load_original};
		2264	}
		2265
		2266	$self->state (cf::MAP_INACTIVE);
2039		2267
2040	cf::cede_to_tick;	2268	cf::cede_to_tick;
2041	# now do the right thing for maps	2269	# now do the right thing for maps
2042	$self->link_multipart_objects;	2270	$self->link_multipart_objects;
2043	$self->difficulty ($self->estimate_difficulty)	2271	$self->difficulty ($self->estimate_difficulty)
…		…
2047	unless ($self->{deny_activate}) {	2275	unless ($self->{deny_activate}) {
2048	$self->decay_objects;	2276	$self->decay_objects;
2049	$self->fix_auto_apply;	2277	$self->fix_auto_apply;
2050	$self->update_buttons;	2278	$self->update_buttons;
2051	cf::cede_to_tick;	2279	cf::cede_to_tick;
2052	$self->set_darkness_map;	2280	#$self->activate; # no longer activate maps automatically
2053	cf::cede_to_tick;
2054	$self->activate;
2055	}	2281	}
2056		2282
2057	$self->{last_save} = $cf::RUNTIME;	2283	$self->{last_save} = $cf::RUNTIME;
2058	$self->last_access ($cf::RUNTIME);	2284	$self->last_access ($cf::RUNTIME);
2059
2060	$self->in_memory (cf::MAP_ACTIVE);
2061	}	2285	}
2062		2286
2063	$self->post_load;	2287	$self->post_load;
2064	}
2065		2288
		2289	1
		2290	}
		2291
		2292	# customize the map for a given player, i.e.
		2293	# return the _real_ map. used by e.g. per-player
		2294	# maps to change the path to ~playername/mappath
2066	sub customise_for {	2295	sub customise_for {
2067	my ($self, $ob) = @_;	2296	my ($self, $ob) = @_;
2068		2297
2069	return find "~" . $ob->name . "/" . $self->{path}	2298	return find "~" . $ob->name . "/" . $self->{path}
2070	if $self->per_player;	2299	if $self->per_player;
…		…
2073	# if $self->per_party;	2302	# if $self->per_party;
2074		2303
2075	$self	2304	$self
2076	}	2305	}
2077		2306
2078	# find and load all maps in the 3x3 area around a map
2079	sub load_neighbours {
2080	my ($map) = @_;
2081
2082	my @neigh; # diagonal neighbours
2083
2084	for (0 .. 3) {
2085	my $neigh = $map->tile_path ($_)
2086	or next;
2087	$neigh = find $neigh, $map
2088	or next;
2089	$neigh->load;
2090
2091	push @neigh,
2092	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2093	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2094	}
2095
2096	for (grep defined $_->[0], @neigh) {
2097	my ($path, $origin) = @$_;
2098	my $neigh = find $path, $origin
2099	or next;
2100	$neigh->load;
2101	}
2102	}
2103
2104	sub find_sync {	2307	sub find_sync {
2105	my ($path, $origin) = @_;	2308	my ($path, $origin) = @_;
2106		2309
2107	cf::sync_job { find $path, $origin }	2310	# it's a bug to call this from the main context
		2311	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2312	if $Coro::current == $Coro::main;
		2313
		2314	find $path, $origin
2108	}	2315	}
2109		2316
2110	sub do_load_sync {	2317	sub do_load_sync {
2111	my ($map) = @_;	2318	my ($map) = @_;
2112		2319
		2320	# it's a bug to call this from the main context
2113	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2321	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2114	if $Coro::current == $Coro::main;	2322	if $Coro::current == $Coro::main;
2115		2323
2116	cf::sync_job { $map->load };	2324	$map->load;
2117	}	2325	}
2118		2326
2119	our %MAP_PREFETCH;	2327	our %MAP_PREFETCH;
2120	our $MAP_PREFETCHER = undef;	2328	our $MAP_PREFETCHER = undef;
2121		2329
2122	sub find_async {	2330	sub find_async {
2123	my ($path, $origin, $load) = @_;	2331	my ($path, $origin, $load) = @_;
2124		2332
2125	$path = normalise $path, $origin && $origin->{path};	2333	$path = normalise $path, $origin;
2126		2334
2127	if (my $map = $cf::MAP{$path}) {	2335	if (my $map = $cf::MAP{$path}) {
2128	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2336	return $map if !$load || $map->linkable;
2129	}	2337	}
2130		2338
2131	$MAP_PREFETCH{$path} |= $load;	2339	$MAP_PREFETCH{$path} |= $load;
2132		2340
2133	$MAP_PREFETCHER ||= cf::async {	2341	$MAP_PREFETCHER ||= cf::async {
…		…
2147	$MAP_PREFETCHER->prio (6);	2355	$MAP_PREFETCHER->prio (6);
2148		2356
2149	()	2357	()
2150	}	2358	}
2151		2359
		2360	# common code, used by both ->save and ->swapout
2152	sub save {	2361	sub _save {
2153	my ($self) = @_;	2362	my ($self) = @_;
2154
2155	my $lock = cf::lock_acquire "map_data:$self->{path}";
2156		2363
2157	$self->{last_save} = $cf::RUNTIME;	2364	$self->{last_save} = $cf::RUNTIME;
2158		2365
2159	return unless $self->dirty;	2366	return unless $self->dirty;
2160		2367
…		…
2180	} else {	2387	} else {
2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2388	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2182	}	2389	}
2183	}	2390	}
2184		2391
		2392	sub save {
		2393	my ($self) = @_;
		2394
		2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2396
		2397	$self->_save;
		2398	}
		2399
2185	sub swap_out {	2400	sub swap_out {
2186	my ($self) = @_;	2401	my ($self) = @_;
2187		2402
2188	# save first because save cedes
2189	$self->save;
2190
2191	my $lock = cf::lock_acquire "map_data:$self->{path}";	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
2192		2404
		2405	return if !$self->linkable;
		2406	return if $self->{deny_save};
2193	return if $self->players;	2407	return if $self->players;
2194	return if $self->in_memory != cf::MAP_ACTIVE;	2408
		2409	# first deactivate the map and "unlink" it from the core
		2410	$self->deactivate;
		2411	$_->clear_links_to ($self) for values %cf::MAP;
		2412	$self->state (cf::MAP_SWAPPED);
		2413
		2414	# then atomically save
		2415	$self->_save;
		2416
		2417	# then free the map
		2418	$self->clear;
		2419	}
		2420
		2421	sub reset_at {
		2422	my ($self) = @_;
		2423
		2424	# TODO: safety, remove and allow resettable per-player maps
2195	return if $self->{deny_save};	2425	return 1e99 if $self->{deny_reset};
2196		2426
		2427	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2428	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2429
		2430	$time + $to
		2431	}
		2432
		2433	sub should_reset {
		2434	my ($self) = @_;
		2435
		2436	$self->reset_at <= $cf::RUNTIME
		2437	}
		2438
		2439	sub reset {
		2440	my ($self) = @_;
		2441
		2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2443
		2444	return if $self->players;
		2445
		2446	cf::trace "resetting map ", $self->path, "\n";
		2447
2197	$self->in_memory (cf::MAP_SWAPPED);	2448	$self->state (cf::MAP_SWAPPED);
		2449
		2450	# need to save uniques path
		2451	unless ($self->{deny_save}) {
		2452	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2453
		2454	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2455	if $uniq;
		2456	}
		2457
		2458	delete $cf::MAP{$self->path};
2198		2459
2199	$self->deactivate;	2460	$self->deactivate;
2200	$_->clear_links_to ($self) for values %cf::MAP;	2461	$_->clear_links_to ($self) for values %cf::MAP;
2201	$self->clear;	2462	$self->clear;
2202	}
2203
2204	sub reset_at {
2205	my ($self) = @_;
2206
2207	# TODO: safety, remove and allow resettable per-player maps
2208	return 1e99 if $self->{deny_reset};
2209
2210	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2211	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2212
2213	$time + $to
2214	}
2215
2216	sub should_reset {
2217	my ($self) = @_;
2218
2219	$self->reset_at <= $cf::RUNTIME
2220	}
2221
2222	sub reset {
2223	my ($self) = @_;
2224
2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
2226
2227	return if $self->players;
2228
2229	warn "resetting map ", $self->path;
2230
2231	$self->in_memory (cf::MAP_SWAPPED);
2232
2233	# need to save uniques path
2234	unless ($self->{deny_save}) {
2235	my $uniq = $self->uniq_path; utf8::encode $uniq;
2236
2237	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2238	if $uniq;
2239	}
2240
2241	delete $cf::MAP{$self->path};
2242
2243	$self->deactivate;
2244	$_->clear_links_to ($self) for values %cf::MAP;
2245	$self->clear;
2246		2463
2247	$self->unlink_save;	2464	$self->unlink_save;
2248	$self->destroy;	2465	$self->destroy;
2249	}	2466	}
2250		2467
…		…
2258		2475
2259	delete $cf::MAP{$self->path};	2476	delete $cf::MAP{$self->path};
2260		2477
2261	$self->unlink_save;	2478	$self->unlink_save;
2262		2479
2263	bless $self, "cf::map";	2480	bless $self, "cf::map::wrap";
2264	delete $self->{deny_reset};	2481	delete $self->{deny_reset};
2265	$self->{deny_save} = 1;	2482	$self->{deny_save} = 1;
2266	$self->reset_timeout (1);	2483	$self->reset_timeout (1);
2267	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2484	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2268		2485
…		…
2325	: normalise $_	2542	: normalise $_
2326	} @{ aio_readdir $UNIQUEDIR or [] }	2543	} @{ aio_readdir $UNIQUEDIR or [] }
2327	]	2544	]
2328	}	2545	}
2329		2546
		2547	=item cf::map::static_maps
		2548
		2549	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2550	file in the shared directory excluding F</styles> and F</editor>). May
		2551	block.
		2552
		2553	=cut
		2554
		2555	sub static_maps() {
		2556	my @dirs = "";
		2557	my @maps;
		2558
		2559	while (@dirs) {
		2560	my $dir = shift @dirs;
		2561
		2562	next if $dir eq "/styles" || $dir eq "/editor";
		2563
		2564	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2565	or return;
		2566
		2567	for (@$files) {
		2568	s/\.map$// or next;
		2569	utf8::decode $_;
		2570	push @maps, "$dir/$_";
		2571	}
		2572
		2573	push @dirs, map "$dir/$_", @$dirs;
		2574	}
		2575
		2576	\@maps
		2577	}
		2578
2330	=back	2579	=back
2331		2580
2332	=head3 cf::object	2581	=head3 cf::object
2333		2582
2334	=cut	2583	=cut
…		…
2399		2648
2400	our $SAY_CHANNEL = {	2649	our $SAY_CHANNEL = {
2401	id => "say",	2650	id => "say",
2402	title => "Map",	2651	title => "Map",
2403	reply => "say ",	2652	reply => "say ",
2404	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2653	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2405	};	2654	};
2406		2655
2407	our $CHAT_CHANNEL = {	2656	our $CHAT_CHANNEL = {
2408	id => "chat",	2657	id => "chat",
2409	title => "Chat",	2658	title => "Chat",
…		…
2466		2715
2467	Freezes the player and moves him/her to a special map (C<{link}>).	2716	Freezes the player and moves him/her to a special map (C<{link}>).
2468		2717
2469	The player should be reasonably safe there for short amounts of time (e.g.	2718	The player should be reasonably safe there for short amounts of time (e.g.
2470	for loading a map). You I<MUST> call C<leave_link> as soon as possible,	2719	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2471	though, as the palyer cannot control the character while it is on the link	2720	though, as the player cannot control the character while it is on the link
2472	map.	2721	map.
2473		2722
2474	Will never block.	2723	Will never block.
2475		2724
2476	=item $player_object->leave_link ($map, $x, $y)	2725	=item $player_object->leave_link ($map, $x, $y)
…		…
2497	sub cf::object::player::enter_link {	2746	sub cf::object::player::enter_link {
2498	my ($self) = @_;	2747	my ($self) = @_;
2499		2748
2500	$self->deactivate_recursive;	2749	$self->deactivate_recursive;
2501		2750
		2751	++$self->{_link_recursion};
		2752
2502	return if UNIVERSAL::isa $self->map, "ext::map_link";	2753	return if UNIVERSAL::isa $self->map, "ext::map_link";
2503		2754
2504	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2755	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2505	if $self->map && $self->map->{path} ne "{link}";	2756	if $self->map && $self->map->{path} ne "{link}";
2506		2757
2507	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2758	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2508	}	2759	}
2509		2760
2510	sub cf::object::player::leave_link {	2761	sub cf::object::player::leave_link {
2511	my ($self, $map, $x, $y) = @_;	2762	my ($self, $map, $x, $y) = @_;
2512		2763
…		…
2529	($x, $y) = (-1, -1)	2780	($x, $y) = (-1, -1)
2530	unless (defined $x) && (defined $y);	2781	unless (defined $x) && (defined $y);
2531		2782
2532	# use -1 or undef as default coordinates, not 0, 0	2783	# use -1 or undef as default coordinates, not 0, 0
2533	($x, $y) = ($map->enter_x, $map->enter_y)	2784	($x, $y) = ($map->enter_x, $map->enter_y)
2534	if $x <=0 && $y <= 0;	2785	if $x <= 0 && $y <= 0;
2535		2786
2536	$map->load;	2787	$map->load;
2537	$map->load_neighbours;
2538		2788
2539	return unless $self->contr->active;	2789	return unless $self->contr->active;
2540	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2541	$self->activate_recursive;
2542		2790
2543	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2791	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2544	$self->enter_map ($map, $x, $y);	2792	if ($self->enter_map ($map, $x, $y)) {
2545	}	2793	# entering was successful
		2794	delete $self->{_link_recursion};
		2795	# only activate afterwards, to support waiting in hooks
		2796	$self->activate_recursive;
		2797	}
2546		2798
		2799	}
		2800
2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2801	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2548		2802
2549	Moves the player to the given map-path and coordinates by first freezing	2803	Moves the player to the given map-path and coordinates by first freezing
2550	her, loading and preparing them map, calling the provided $check callback	2804	her, loading and preparing them map, calling the provided $check callback
2551	that has to return the map if sucecssful, and then unfreezes the player on	2805	that has to return the map if sucecssful, and then unfreezes the player on
2552	the new (success) or old (failed) map position. In either case, $done will	2806	the new (success) or old (failed) map position. In either case, $done will
…		…
2559		2813
2560	our $GOTOGEN;	2814	our $GOTOGEN;
2561		2815
2562	sub cf::object::player::goto {	2816	sub cf::object::player::goto {
2563	my ($self, $path, $x, $y, $check, $done) = @_;	2817	my ($self, $path, $x, $y, $check, $done) = @_;
		2818
		2819	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2820	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2821	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2822	($path, $x, $y) = @$EMERGENCY_POSITION;
		2823	}
2564		2824
2565	# do generation counting so two concurrent goto's will be executed in-order	2825	# do generation counting so two concurrent goto's will be executed in-order
2566	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2826	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2567		2827
2568	$self->enter_link;	2828	$self->enter_link;
…		…
2588	($path, $x, $y) = (undef, undef, undef);	2848	($path, $x, $y) = (undef, undef, undef);
2589	}	2849	}
2590	}	2850	}
2591		2851
2592	my $map = eval {	2852	my $map = eval {
2593	my $map = defined $path ? cf::map::find $path : undef;	2853	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2594		2854
2595	if ($map) {	2855	if ($map) {
2596	$map = $map->customise_for ($self);	2856	$map = $map->customise_for ($self);
2597	$map = $check->($map) if $check && $map;	2857	$map = $check->($map, $x, $y, $self) if $check && $map;
2598	} else {	2858	} else {
2599	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2859	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2600	}	2860	}
2601		2861
2602	$map	2862	$map
…		…
2610	if ($gen == $self->{_goto_generation}) {	2870	if ($gen == $self->{_goto_generation}) {
2611	delete $self->{_goto_generation};	2871	delete $self->{_goto_generation};
2612	$self->leave_link ($map, $x, $y);	2872	$self->leave_link ($map, $x, $y);
2613	}	2873	}
2614		2874
2615	$done->() if $done;	2875	$done->($self) if $done;
2616	})->prio (1);	2876	})->prio (1);
2617	}	2877	}
2618		2878
2619	=item $player_object->enter_exit ($exit_object)	2879	=item $player_object->enter_exit ($exit_object)
2620		2880
…		…
2688	$Coro::current->{desc} = "enter_exit";	2948	$Coro::current->{desc} = "enter_exit";
2689		2949
2690	unless (eval {	2950	unless (eval {
2691	$self->deactivate_recursive; # just to be sure	2951	$self->deactivate_recursive; # just to be sure
2692		2952
2693	# random map handling
2694	{
2695	my $guard = cf::lock_acquire "exit_prepare:$exit";
2696
2697	prepare_random_map $exit
2698	if $exit->slaying eq "/!";
2699	}
2700
2701	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2953	my $map = cf::map::normalise $exit->slaying, $exit->map;
2702	my $x = $exit->stats->hp;	2954	my $x = $exit->stats->hp;
2703	my $y = $exit->stats->sp;	2955	my $y = $exit->stats->sp;
		2956
		2957	# special map handling
		2958	my $slaying = $exit->slaying;
		2959
		2960	# special map handling
		2961	if ($slaying eq "/!") {
		2962	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2963
		2964	prepare_random_map $exit
		2965	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2966
		2967	$map = $exit->slaying;
		2968
		2969	} elsif ($slaying eq '!up') {
		2970	$map = $exit->map->tile_path (cf::TILE_UP);
		2971	$x = $exit->x;
		2972	$y = $exit->y;
		2973
		2974	} elsif ($slaying eq '!down') {
		2975	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2976	$x = $exit->x;
		2977	$y = $exit->y;
		2978	}
2704		2979
2705	$self->goto ($map, $x, $y);	2980	$self->goto ($map, $x, $y);
2706		2981
2707	# if exit is damned, update players death & WoR home-position	2982	# if exit is damned, update players death & WoR home-position
2708	$self->contr->savebed ($map, $x, $y)	2983	$self->contr->savebed ($map, $x, $y)
…		…
2713	$self->message ("Something went wrong deep within the deliantra server. "	2988	$self->message ("Something went wrong deep within the deliantra server. "
2714	. "I'll try to bring you back to the map you were before. "	2989	. "I'll try to bring you back to the map you were before. "
2715	. "Please report this to the dungeon master!",	2990	. "Please report this to the dungeon master!",
2716	cf::NDI_UNIQUE | cf::NDI_RED);	2991	cf::NDI_UNIQUE | cf::NDI_RED);
2717		2992
2718	warn "ERROR in enter_exit: $@";	2993	error "ERROR in enter_exit: $@";
2719	$self->leave_link;	2994	$self->leave_link;
2720	}	2995	}
2721	})->prio (1);	2996	})->prio (1);
2722	}	2997	}
2723		2998
…		…
2735	sub cf::client::send_drawinfo {	3010	sub cf::client::send_drawinfo {
2736	my ($self, $text, $flags) = @_;	3011	my ($self, $text, $flags) = @_;
2737		3012
2738	utf8::encode $text;	3013	utf8::encode $text;
2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3015	}
		3016
		3017	=item $client->send_big_packet ($pkt)
		3018
		3019	Like C<send_packet>, but tries to compress large packets, and fragments
		3020	them as required.
		3021
		3022	=cut
		3023
		3024	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3025
		3026	sub cf::client::send_big_packet {
		3027	my ($self, $pkt) = @_;
		3028
		3029	# try lzf for large packets
		3030	$pkt = "lzf " . Compress::LZF::compress $pkt
		3031	if 1024 <= length $pkt and $self->{can_lzf};
		3032
		3033	# split very large packets
		3034	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3035	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3036	$pkt = "frag";
		3037	}
		3038
		3039	$self->send_packet ($pkt);
2740	}	3040	}
2741		3041
2742	=item $client->send_msg ($channel, $msg, $color, [extra...])	3042	=item $client->send_msg ($channel, $msg, $color, [extra...])
2743		3043
2744	Send a drawinfo or msg packet to the client, formatting the msg for the	3044	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2748		3048
2749	=cut	3049	=cut
2750		3050
2751	# non-persistent channels (usually the info channel)	3051	# non-persistent channels (usually the info channel)
2752	our %CHANNEL = (	3052	our %CHANNEL = (
		3053	"c/motd" => {
		3054	id => "infobox",
		3055	title => "MOTD",
		3056	reply => undef,
		3057	tooltip => "The message of the day",
		3058	},
2753	"c/identify" => {	3059	"c/identify" => {
2754	id => "infobox",	3060	id => "infobox",
2755	title => "Identify",	3061	title => "Identify",
2756	reply => undef,	3062	reply => undef,
2757	tooltip => "Items recently identified",	3063	tooltip => "Items recently identified",
…		…
2759	"c/examine" => {	3065	"c/examine" => {
2760	id => "infobox",	3066	id => "infobox",
2761	title => "Examine",	3067	title => "Examine",
2762	reply => undef,	3068	reply => undef,
2763	tooltip => "Signs and other items you examined",	3069	tooltip => "Signs and other items you examined",
		3070	},
		3071	"c/shopinfo" => {
		3072	id => "infobox",
		3073	title => "Shop Info",
		3074	reply => undef,
		3075	tooltip => "What your bargaining skill tells you about the shop",
2764	},	3076	},
2765	"c/book" => {	3077	"c/book" => {
2766	id => "infobox",	3078	id => "infobox",
2767	title => "Book",	3079	title => "Book",
2768	reply => undef,	3080	reply => undef,
…		…
2784	id => "infobox",	3096	id => "infobox",
2785	title => "Body Parts",	3097	title => "Body Parts",
2786	reply => undef,	3098	reply => undef,
2787	tooltip => "Shows which body parts you posess and are available",	3099	tooltip => "Shows which body parts you posess and are available",
2788	},	3100	},
		3101	"c/statistics" => {
		3102	id => "infobox",
		3103	title => "Statistics",
		3104	reply => undef,
		3105	tooltip => "Shows your primary statistics",
		3106	},
		3107	"c/skills" => {
		3108	id => "infobox",
		3109	title => "Skills",
		3110	reply => undef,
		3111	tooltip => "Shows your experience per skill and item power",
		3112	},
		3113	"c/shopitems" => {
		3114	id => "infobox",
		3115	title => "Shop Items",
		3116	reply => undef,
		3117	tooltip => "Shows the items currently for sale in this shop",
		3118	},
		3119	"c/resistances" => {
		3120	id => "infobox",
		3121	title => "Resistances",
		3122	reply => undef,
		3123	tooltip => "Shows your resistances",
		3124	},
		3125	"c/pets" => {
		3126	id => "infobox",
		3127	title => "Pets",
		3128	reply => undef,
		3129	tooltip => "Shows information abotu your pets/a specific pet",
		3130	},
		3131	"c/perceiveself" => {
		3132	id => "infobox",
		3133	title => "Perceive Self",
		3134	reply => undef,
		3135	tooltip => "You gained detailed knowledge about yourself",
		3136	},
2789	"c/uptime" => {	3137	"c/uptime" => {
2790	id => "infobox",	3138	id => "infobox",
2791	title => "Uptime",	3139	title => "Uptime",
2792	reply => undef,	3140	reply => undef,
2793	tooltip => "How long the server has been running since last restart",	3141	tooltip => "How long the server has been running since last restart",
…		…
2802	id => "party",	3150	id => "party",
2803	title => "Party",	3151	title => "Party",
2804	reply => "gsay ",	3152	reply => "gsay ",
2805	tooltip => "Messages and chat related to your party",	3153	tooltip => "Messages and chat related to your party",
2806	},	3154	},
		3155	"c/death" => {
		3156	id => "death",
		3157	title => "Death",
		3158	reply => undef,
		3159	tooltip => "Reason for and more info about your most recent death",
		3160	},
		3161	"c/say" => $SAY_CHANNEL,
		3162	"c/chat" => $CHAT_CHANNEL,
2807	);	3163	);
2808		3164
2809	sub cf::client::send_msg {	3165	sub cf::client::send_msg {
2810	my ($self, $channel, $msg, $color, @extra) = @_;	3166	my ($self, $channel, $msg, $color, @extra) = @_;
2811		3167
…		…
2816		3172
2817	# check predefined channels, for the benefit of C	3173	# check predefined channels, for the benefit of C
2818	if ($CHANNEL{$channel}) {	3174	if ($CHANNEL{$channel}) {
2819	$channel = $CHANNEL{$channel};	3175	$channel = $CHANNEL{$channel};
2820		3176
2821	$self->ext_msg (channel_info => $channel)	3177	$self->ext_msg (channel_info => $channel);
2822	if $self->can_msg;
2823
2824	$channel = $channel->{id};	3178	$channel = $channel->{id};
2825		3179
2826	} elsif (ref $channel) {	3180	} elsif (ref $channel) {
2827	# send meta info to client, if not yet sent	3181	# send meta info to client, if not yet sent
2828	unless (exists $self->{channel}{$channel->{id}}) {	3182	unless (exists $self->{channel}{$channel->{id}}) {
2829	$self->{channel}{$channel->{id}} = $channel;	3183	$self->{channel}{$channel->{id}} = $channel;
2830	$self->ext_msg (channel_info => $channel)	3184	$self->ext_msg (channel_info => $channel);
2831	if $self->can_msg;
2832	}	3185	}
2833		3186
2834	$channel = $channel->{id};	3187	$channel = $channel->{id};
2835	}	3188	}
2836		3189
2837	return unless @extra || length $msg;	3190	return unless @extra || length $msg;
2838		3191
2839	if ($self->can_msg) {
2840	# default colour, mask it out	3192	# default colour, mask it out
2841	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3193	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2842	if $color & cf::NDI_DEF;	3194	if $color & cf::NDI_DEF;
2843		3195
2844	my $pkt = "msg "	3196	my $pkt = "msg "
2845	. $self->{json_coder}->encode (	3197	. $self->{json_coder}->encode (
2846	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	3198	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2847	);	3199	);
2848		3200
2849	# try lzf for large packets
2850	$pkt = "lzf " . Compress::LZF::compress $pkt
2851	if 1024 <= length $pkt and $self->{can_lzf};
2852
2853	# split very large packets
2854	if (8192 < length $pkt and $self->{can_lzf}) {
2855	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2856	$pkt = "frag";
2857	}
2858
2859	$self->send_packet ($pkt);	3201	$self->send_big_packet ($pkt);
2860	} else {
2861	if ($color >= 0) {
2862	# replace some tags by gcfclient-compatible ones
2863	for ($msg) {
2864	1 while
2865	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2866	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2867	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2868	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2869	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2870	}
2871
2872	$color &= cf::NDI_COLOR_MASK;
2873
2874	utf8::encode $msg;
2875
2876	if (0 && $msg =~ /\[/) {
2877	# COMMAND/INFO
2878	$self->send_packet ("drawextinfo $color 10 8 $msg")
2879	} else {
2880	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2881	$self->send_packet ("drawinfo $color $msg")
2882	}
2883	}
2884	}
2885	}	3202	}
2886		3203
2887	=item $client->ext_msg ($type, @msg)	3204	=item $client->ext_msg ($type, @msg)
2888		3205
2889	Sends an ext event to the client.	3206	Sends an ext event to the client.
…		…
2892		3209
2893	sub cf::client::ext_msg($$@) {	3210	sub cf::client::ext_msg($$@) {
2894	my ($self, $type, @msg) = @_;	3211	my ($self, $type, @msg) = @_;
2895		3212
2896	if ($self->extcmd == 2) {	3213	if ($self->extcmd == 2) {
2897	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3214	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2898	} elsif ($self->extcmd == 1) { # TODO: remove	3215	} elsif ($self->extcmd == 1) { # TODO: remove
2899	push @msg, msgtype => "event_$type";	3216	push @msg, msgtype => "event_$type";
2900	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3217	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2901	}	3218	}
2902	}	3219	}
2903		3220
2904	=item $client->ext_reply ($msgid, @msg)	3221	=item $client->ext_reply ($msgid, @msg)
2905		3222
…		…
2908	=cut	3225	=cut
2909		3226
2910	sub cf::client::ext_reply($$@) {	3227	sub cf::client::ext_reply($$@) {
2911	my ($self, $id, @msg) = @_;	3228	my ($self, $id, @msg) = @_;
2912		3229
2913	if ($self->extcmd == 2) {	3230	return unless $self->extcmd == 2;
		3231
2914	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3232	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2915	} elsif ($self->extcmd == 1) {
2916	#TODO: version 1, remove
2917	unshift @msg, msgtype => "reply", msgid => $id;
2918	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2919	}
2920	}	3233	}
2921		3234
2922	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2923		3236
2924	Queues a query to the client, calling the given callback with	3237	Queues a query to the client, calling the given callback with
…		…
2979	my ($ns, $buf) = @_;	3292	my ($ns, $buf) = @_;
2980		3293
2981	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3294	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2982		3295
2983	if (ref $msg) {	3296	if (ref $msg) {
2984	my ($type, $reply, @payload) =	3297	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2985	"ARRAY" eq ref $msg
2986	? @$msg
2987	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2988		3298
2989	my @reply;	3299	my @reply;
2990		3300
2991	if (my $cb = $EXTICMD{$type}) {	3301	if (my $cb = $EXTICMD{$type}) {
2992	@reply = $cb->($ns, @payload);	3302	@reply = $cb->($ns, @payload);
…		…
2994		3304
2995	$ns->ext_reply ($reply, @reply)	3305	$ns->ext_reply ($reply, @reply)
2996	if $reply;	3306	if $reply;
2997		3307
2998	} else {	3308	} else {
2999	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3309	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3000	}	3310	}
3001		3311
3002	cf::override;	3312	cf::override;
3003	},	3313	},
3004	);	3314	);
…		…
3024		3334
3025	$coro	3335	$coro
3026	}	3336	}
3027		3337
3028	cf::client->attach (	3338	cf::client->attach (
3029	on_destroy => sub {	3339	on_client_destroy => sub {
3030	my ($ns) = @_;	3340	my ($ns) = @_;
3031		3341
3032	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3033	},	3343	},
3034	);	3344	);
…		…
3050	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
3051		3361
3052	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
3053		3363
3054	$safe->permit_only (Opcode::opset qw(	3364	$safe->permit_only (Opcode::opset qw(
3055	:base_core :base_mem :base_orig :base_math	3365	:base_core :base_mem :base_orig :base_math :base_loop
3056	grepstart grepwhile mapstart mapwhile	3366	grepstart grepwhile mapstart mapwhile
3057	sort time	3367	sort time
3058	));	3368	));
3059		3369
3060	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
…		…
3064	The following functions and methods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
3065		3375
3066	cf::object	3376	cf::object
3067	contr pay_amount pay_player map x y force_find force_add destroy	3377	contr pay_amount pay_player map x y force_find force_add destroy
3068	insert remove name archname title slaying race decrease split	3378	insert remove name archname title slaying race decrease split
		3379	value
3069		3380
3070	cf::object::player	3381	cf::object::player
3071	player	3382	player
3072		3383
3073	cf::player	3384	cf::player
…		…
3079	=cut	3390	=cut
3080		3391
3081	for (	3392	for (
3082	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3083	insert remove inv nrof name archname title slaying race	3394	insert remove inv nrof name archname title slaying race
3084	decrease split destroy change_exp)],	3395	decrease split destroy change_exp value msg lore send_msg)],
3085	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
3086	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
3087	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
3088	) {	3399	) {
3089	no strict 'refs';
3090	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
3091	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3092	for @funs;	3402	for @funs;
3093	}	3403	}
3094		3404
…		…
3109		3419
3110	my $qcode = $code;	3420	my $qcode = $code;
3111	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3112	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
3113		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
3114	local $_;	3427	local $_;
3115	local @safe::cf::_safe_eval_args = values %vars;
3116		3428
3117	my $eval =	3429	my $eval =
3118	"do {\n"	3430	"do {\n"
3119	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3120	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
3121	. $code	3433	. $code
3122	. "\n}"	3434	. "\n}"
3123	;	3435	;
3124		3436
		3437	if ($CFG{safe_eval}) {
3125	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
3126	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3127	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
3128		3446
3129	if ($@) {	3447	if ($@) {
3130	warn "$@";	3448	warn "$@",
3131	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
3132	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
3133	}	3451	}
3134		3452
3135	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
3136	}	3454	}
3137		3455
…		…
3151	=cut	3469	=cut
3152		3470
3153	sub register_script_function {	3471	sub register_script_function {
3154	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
3155		3473
3156	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
3157	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
3158	}	3476	}
3159		3477
3160	=back	3478	=back
3161		3479
3162	=cut	3480	=cut
…		…
3171	# for this (global event?)	3489	# for this (global event?)
3172	%ext::player_env::MUSIC_FACE_CACHE = ();	3490	%ext::player_env::MUSIC_FACE_CACHE = ();
3173		3491
3174	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3175		3493
3176	warn "loading facedata from $path\n";	3494	trace "loading facedata from $path\n";
3177		3495
3178	my $facedata;	3496	my $facedata = decode_storable load_file $path;
3179	0 < aio_load $path, $facedata
3180	or die "$path: $!";
3181
3182	$facedata = Coro::Storable::thaw $facedata;
3183		3497
3184	$facedata->{version} == 2	3498	$facedata->{version} == 2
3185	or cf::cleanup "$path: version mismatch, cannot proceed.";	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
3186		3500
3187	# patch in the exptable	3501	# patch in the exptable
		3502	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3188	$facedata->{resource}{"res/exp_table"} = {	3503	$facedata->{resource}{"res/exp_table"} = {
3189	type => FT_RSRC,	3504	type => FT_RSRC,
3190	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3505	data => $exp_table,
		3506	hash => (Digest::MD5::md5 $exp_table),
3191	};	3507	};
3192	cf::cede_to_tick;	3508	cf::cede_to_tick;
3193		3509
3194	{	3510	{
3195	my $faces = $facedata->{faceinfo};	3511	my $faces = $facedata->{faceinfo};
…		…
3197	while (my ($face, $info) = each %$faces) {	3513	while (my ($face, $info) = each %$faces) {
3198	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3199		3515
3200	cf::face::set_visibility $idx, $info->{visibility};	3516	cf::face::set_visibility $idx, $info->{visibility};
3201	cf::face::set_magicmap $idx, $info->{magicmap};	3517	cf::face::set_magicmap $idx, $info->{magicmap};
3202	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3203	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3204		3521
3205	cf::cede_to_tick;	3522	cf::cede_to_tick;
3206	}	3523	}
3207		3524
3208	while (my ($face, $info) = each %$faces) {	3525	while (my ($face, $info) = each %$faces) {
…		…
3213		3530
3214	if (my $smooth = cf::face::find $info->{smooth}) {	3531	if (my $smooth = cf::face::find $info->{smooth}) {
3215	cf::face::set_smooth $idx, $smooth;	3532	cf::face::set_smooth $idx, $smooth;
3216	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3217	} else {	3534	} else {
3218	warn "smooth face '$info->{smooth}' not found for face '$face'";	3535	error "smooth face '$info->{smooth}' not found for face '$face'";
3219	}	3536	}
3220		3537
3221	cf::cede_to_tick;	3538	cf::cede_to_tick;
3222	}	3539	}
3223	}	3540	}
…		…
3232		3549
3233	cf::anim::invalidate_all; # d'oh	3550	cf::anim::invalidate_all; # d'oh
3234	}	3551	}
3235		3552
3236	{	3553	{
3237	# TODO: for gcfclient pleasure, we should give resources
3238	# that gcfclient doesn't grok a >10000 face index.
3239	my $res = $facedata->{resource};	3554	my $res = $facedata->{resource};
3240		3555
3241	while (my ($name, $info) = each %$res) {	3556	while (my ($name, $info) = each %$res) {
3242	if (defined $info->{type}) {	3557	if (defined (my $type = $info->{type})) {
		3558	# TODO: different hash - must free and use new index, or cache ixface data queue
3243	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3559	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3244	my $data;
3245		3560
3246	if ($info->{type} & 1) {	3561	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3247	# prepend meta info
3248
3249	my $meta = $enc->encode ({
3250	name => $name,
3251	%{ $info->{meta} || {} },
3252	});
3253
3254	$data = pack "(w/a*)*", $meta, $info->{data};
3255	} else {
3256	$data = $info->{data};
3257	}
3258
3259	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3260	cf::face::set_type $idx, $info->{type};	3562	cf::face::set_type $idx, $type;
		3563	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3261	} else {	3564	} else {
3262	$RESOURCE{$name} = $info;	3565	# $RESOURCE{$name} = $info; # unused
3263	}	3566	}
3264		3567
3265	cf::cede_to_tick;	3568	cf::cede_to_tick;
3266	}	3569	}
3267	}	3570	}
3268		3571
3269	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3572	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3270		3573
3271	1	3574	1
3272	}	3575	}
3273
3274	cf::global->attach (on_resource_update => sub {
3275	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3276	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3277
3278	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3279	my $sound = $soundconf->{compat}[$_]
3280	or next;
3281
3282	my $face = cf::face::find "sound/$sound->[1]";
3283	cf::sound::set $sound->[0] => $face;
3284	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3285	}
3286
3287	while (my ($k, $v) = each %{$soundconf->{event}}) {
3288	my $face = cf::face::find "sound/$v";
3289	cf::sound::set $k => $face;
3290	}
3291	}
3292	});
3293		3576
3294	register_exticmd fx_want => sub {	3577	register_exticmd fx_want => sub {
3295	my ($ns, $want) = @_;	3578	my ($ns, $want) = @_;
3296		3579
3297	while (my ($k, $v) = each %$want) {	3580	while (my ($k, $v) = each %$want) {
…		…
3336	sub reload_treasures {	3619	sub reload_treasures {
3337	load_resource_file "$DATADIR/treasures"	3620	load_resource_file "$DATADIR/treasures"
3338	or die "unable to load treasurelists\n";	3621	or die "unable to load treasurelists\n";
3339	}	3622	}
3340		3623
		3624	sub reload_sound {
		3625	trace "loading sound config from $DATADIR/sound\n";
		3626
		3627	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3628
		3629	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3630	my $sound = $soundconf->{compat}[$_]
		3631	or next;
		3632
		3633	my $face = cf::face::find "sound/$sound->[1]";
		3634	cf::sound::set $sound->[0] => $face;
		3635	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3636	}
		3637
		3638	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3639	my $face = cf::face::find "sound/$v";
		3640	cf::sound::set $k => $face;
		3641	}
		3642	}
		3643
3341	sub reload_resources {	3644	sub reload_resources {
3342	warn "reloading resource files...\n";	3645	trace "reloading resource files...\n";
3343		3646
		3647	reload_exp_table;
		3648	reload_materials;
3344	reload_facedata;	3649	reload_facedata;
		3650	reload_sound;
3345	reload_archetypes;	3651	reload_archetypes;
3346	reload_regions;	3652	reload_regions;
3347	reload_treasures;	3653	reload_treasures;
3348		3654
3349	warn "finished reloading resource files\n";	3655	trace "finished reloading resource files\n";
3350	}
3351
3352	sub init {
3353	my $guard = freeze_mainloop;
3354
3355	evthread_start IO::AIO::poll_fileno;
3356
3357	reload_resources;
3358	}	3656	}
3359		3657
3360	sub reload_config {	3658	sub reload_config {
3361	open my $fh, "<:utf8", "$CONFDIR/config"	3659	trace "reloading config file...\n";
3362	or return;
3363		3660
3364	local $/;	3661	my $config = load_file "$CONFDIR/config";
3365	*CFG = YAML::Load <$fh>;	3662	utf8::decode $config;
		3663	*CFG = decode_yaml $config;
3366		3664
3367	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3665	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3368		3666
3369	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3667	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3370	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3668	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3371		3669
3372	if (exists $CFG{mlockall}) {	3670	if (exists $CFG{mlockall}) {
…		…
3395		3693
3396	seek $fh, 0, 0;	3694	seek $fh, 0, 0;
3397	print $fh $$;	3695	print $fh $$;
3398	}	3696	}
3399		3697
		3698	sub main_loop {
		3699	trace "EV::loop starting\n";
		3700	if (1) {
		3701	EV::loop;
		3702	}
		3703	trace "EV::loop returned\n";
		3704	goto &main_loop unless $REALLY_UNLOOP;
		3705	}
		3706
3400	sub main {	3707	sub main {
3401	atomic;	3708	cf::init_globals; # initialise logging
		3709
		3710	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3711	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3712	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3713	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3714
		3715	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3402		3716
3403	# we must not ever block the main coroutine	3717	# we must not ever block the main coroutine
3404	local $Coro::idle = sub {	3718	local $Coro::idle = sub {
3405	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3719	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3406	(async {	3720	(async {
3407	$Coro::current->{desc} = "IDLE BUG HANDLER";	3721	$Coro::current->{desc} = "IDLE BUG HANDLER";
3408	EV::loop EV::LOOP_ONESHOT;	3722	EV::loop EV::LOOP_ONESHOT;
3409	})->prio (Coro::PRIO_MAX);	3723	})->prio (Coro::PRIO_MAX);
3410	};	3724	};
3411		3725
3412	{	3726	evthread_start IO::AIO::poll_fileno;
3413	my $guard = freeze_mainloop;	3727
		3728	cf::sync_job {
		3729	cf::incloader::init ();
		3730
		3731	cf::init_anim;
		3732	cf::init_attackmess;
		3733	cf::init_dynamic;
		3734
		3735	cf::load_settings;
		3736
		3737	reload_resources;
3414	reload_config;	3738	reload_config;
3415	db_init;	3739	db_init;
		3740
		3741	cf::init_uuid;
		3742	cf::init_signals;
		3743	cf::init_skills;
		3744
		3745	cf::init_beforeplay;
		3746
		3747	atomic;
		3748
3416	load_extensions;	3749	load_extensions;
3417		3750
3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3419	}
3420
3421	utime time, time, $RUNTIMEFILE;	3751	utime time, time, $RUNTIMEFILE;
3422		3752
3423	# no (long-running) fork's whatsoever before this point(!)	3753	# no (long-running) fork's whatsoever before this point(!)
		3754	use POSIX ();
3424	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};	3755	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3425		3756
3426	EV::loop;	3757	cf::_post_init 0;
		3758	};
		3759
		3760	cf::object::thawer::errors_are_fatal 0;
		3761	info "parse errors in files are no longer fatal from this point on.\n";
		3762
		3763	AE::postpone {
		3764	undef &main; # free gobs of memory :)
		3765	};
		3766
		3767	goto &main_loop;
3427	}	3768	}
3428		3769
3429	#############################################################################	3770	#############################################################################
3430	# initialisation and cleanup	3771	# initialisation and cleanup
3431		3772
3432	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
3433	BEGIN {	3774	BEGIN {
3434	our %SIGWATCHER = ();	3775	our %SIGWATCHER = ();
3435	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
3436	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3437	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
3438	};	3779	};
3439	}	3780	}
3440	}	3781	}
3441		3782
3442	sub write_runtime_sync {	3783	sub write_runtime_sync {
		3784	my $t0 = AE::time;
		3785
3443	# first touch the runtime file to show we are still running:	3786	# first touch the runtime file to show we are still running:
3444	# the fsync below can take a very very long time.	3787	# the fsync below can take a very very long time.
3445		3788
3446	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;	3789	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3447		3790
3448	my $guard = cf::lock_acquire "write_runtime";	3791	my $guard = cf::lock_acquire "write_runtime";
3449		3792
3450	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644	3793	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3451	or return;	3794	or return;
3452		3795
3453	my $value = $cf::RUNTIME + 90 + 10;	3796	my $value = $cf::RUNTIME + 90 + 10;
3454	# 10 is the runtime save interval, for a monotonic clock	3797	# 10 is the runtime save interval, for a monotonic clock
3455	# 60 allows for the watchdog to kill the server.	3798	# 60 allows for the watchdog to kill the server.
…		…
3468	or return;	3811	or return;
3469		3812
3470	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE	3813	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3471	and return;	3814	and return;
3472		3815
3473	warn "runtime file written.\n";	3816	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3474		3817
3475	1	3818	1
3476	}	3819	}
3477		3820
3478	our $uuid_lock;	3821	our $uuid_lock;
…		…
3487	my $uuid = "$LOCALDIR/uuid";	3830	my $uuid = "$LOCALDIR/uuid";
3488		3831
3489	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3832	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3490	or return;	3833	or return;
3491		3834
3492	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3835	my $value = uuid_seq uuid_cur;
		3836
		3837	unless ($value) {
		3838	info "cowardly refusing to write zero uuid value!\n";
		3839	return;
		3840	}
		3841
		3842	my $value = uuid_str $value + $uuid_skip;
3493	$uuid_skip = 0;	3843	$uuid_skip = 0;
3494		3844
3495	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3845	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3496	and return;	3846	and return;
3497		3847
…		…
3503	or return;	3853	or return;
3504		3854
3505	aio_rename "$uuid~", $uuid	3855	aio_rename "$uuid~", $uuid
3506	and return;	3856	and return;
3507		3857
3508	warn "uuid file written ($value).\n";	3858	trace "uuid file written ($value).\n";
3509		3859
3510	1	3860	1
3511		3861
3512	}	3862	}
3513		3863
…		…
3519	}	3869	}
3520		3870
3521	sub emergency_save() {	3871	sub emergency_save() {
3522	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
3523		3873
3524	warn "enter emergency perl save\n";	3874	info "emergency_perl_save: enter\n";
		3875
		3876	# this is a trade-off: we want to be very quick here, so
		3877	# save all maps without fsync, and later call a global sync
		3878	# (which in turn might be very very slow)
		3879	local $USE_FSYNC = 0;
3525		3880
3526	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
3527	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
3528	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
3529	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
3530	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
3531	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
3532	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
3533	$pl->valid or next;	3890	$pl->valid or next;
3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3535	$pl->save;	3892	$pl->save;
3536	}	3893	}
3537	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
3538		3895
3539	warn "begin emergency map save\n";	3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	info "emergency_perl_save: begin map save\n";
3540	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
3541	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
3542	$map->valid or next;	3901	$map->valid or next;
3543	$map->save;	3902	$map->save;
3544	}	3903	}
3545	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
3546		3905
3547	warn "begin emergency database checkpoint\n";	3906	cf::write_runtime_sync; # external watchdog should not bark
		3907
		3908	info "emergency_perl_save: begin database checkpoint\n";
3548	BDB::db_env_txn_checkpoint $DB_ENV;	3909	BDB::db_env_txn_checkpoint $DB_ENV;
3549	warn "end emergency database checkpoint\n";	3910	info "emergency_perl_save: end database checkpoint\n";
3550		3911
3551	warn "begin write uuid\n";	3912	info "emergency_perl_save: begin write uuid\n";
3552	write_uuid_sync 1;	3913	write_uuid_sync 1;
3553	warn "end write uuid\n";	3914	info "emergency_perl_save: end write uuid\n";
		3915
		3916	cf::write_runtime_sync; # external watchdog should not bark
		3917
		3918	trace "emergency_perl_save: syncing database to disk";
		3919	BDB::db_env_txn_checkpoint $DB_ENV;
		3920
		3921	info "emergency_perl_save: starting sync\n";
		3922	IO::AIO::aio_sync sub {
		3923	info "emergency_perl_save: finished sync\n";
		3924	};
		3925
		3926	cf::write_runtime_sync; # external watchdog should not bark
		3927
		3928	trace "emergency_perl_save: flushing outstanding aio requests";
		3929	while (IO::AIO::nreqs || BDB::nreqs) {
		3930	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3931	}
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
3554	};	3934	};
3555		3935
3556	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
3557	}	3937	}
3558		3938
3559	sub post_cleanup {	3939	sub post_cleanup {
3560	my ($make_core) = @_;	3940	my ($make_core) = @_;
3561		3941
		3942	IO::AIO::flush;
		3943
3562	warn Carp::longmess "post_cleanup backtrace"	3944	error Carp::longmess "post_cleanup backtrace"
3563	if $make_core;	3945	if $make_core;
3564		3946
3565	my $fh = pidfile;	3947	my $fh = pidfile;
3566	unlink $PIDFILE if <$fh> == $$;	3948	unlink $PIDFILE if <$fh> == $$;
3567	}	3949	}
…		…
3587	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	3969	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3588	for my $name (keys %$leaf_symtab) {	3970	for my $name (keys %$leaf_symtab) {
3589	_gv_clear *{"$pkg$name"};	3971	_gv_clear *{"$pkg$name"};
3590	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	3972	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3591	}	3973	}
3592	warn "cleared package #$pkg\n";#d#
3593	}	3974	}
3594
3595	our $RELOAD; # how many times to reload
3596		3975
3597	sub do_reload_perl() {	3976	sub do_reload_perl() {
3598	# can/must only be called in main	3977	# can/must only be called in main
3599	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
3600	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
3601	return;	3980	return;
3602	}	3981	}
3603		3982
3604	return if $RELOAD++;	3983	return if $RELOAD++;
3605		3984
		3985	my $t1 = AE::time;
		3986
3606	while ($RELOAD) {	3987	while ($RELOAD) {
3607	warn "reloading...";	3988	cf::get_slot 0.1, -1, "reload_perl";
		3989	info "perl_reload: reloading...";
3608		3990
3609	warn "entering sync_job";	3991	trace "perl_reload: entering sync_job";
3610		3992
3611	cf::sync_job {	3993	cf::sync_job {
3612	cf::write_runtime_sync; # external watchdog should not bark
3613	cf::emergency_save;	3994	#cf::emergency_save;
3614	cf::write_runtime_sync; # external watchdog should not bark
3615		3995
3616	warn "syncing database to disk";
3617	BDB::db_env_txn_checkpoint $DB_ENV;
3618
3619	# if anything goes wrong in here, we should simply crash as we already saved
3620
3621	warn "flushing outstanding aio requests";
3622	while (IO::AIO::nreqs || BDB::nreqs) {
3623	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3624	}
3625
3626	warn "cancelling all extension coros";	3996	trace "perl_reload: cancelling all extension coros";
3627	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
3628	%EXT_CORO = ();	3998	%EXT_CORO = ();
3629		3999
3630	warn "removing commands";	4000	trace "perl_reload: removing commands";
3631	%COMMAND = ();	4001	%COMMAND = ();
3632		4002
3633	warn "removing ext/exti commands";	4003	trace "perl_reload: removing ext/exti commands";
3634	%EXTCMD = ();	4004	%EXTCMD = ();
3635	%EXTICMD = ();	4005	%EXTICMD = ();
3636		4006
3637	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
3638	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
3639	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
3640		4010
3641	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
3642	eval {	4012	eval {
3643	$cb->($pkg);	4013	$cb->($pkg);
3644	1	4014	1
3645	} or warn "$pkg unloaded, but with errors: $@";	4015	} or error "$pkg unloaded, but with errors: $@";
3646	}	4016	}
3647		4017
3648	warn "... clearing $pkg";	4018	trace "... clearing $pkg";
3649	clear_package $pkg;	4019	clear_package $pkg;
3650	}	4020	}
3651		4021
3652	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3653	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
3654	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3655		4025
3656	warn "... unloading $k";	4026	trace "... unloading $k";
3657	delete $INC{$k};	4027	delete $INC{$k};
3658		4028
3659	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
3660	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
3661		4031
…		…
3664	}	4034	}
3665		4035
3666	clear_package $k;	4036	clear_package $k;
3667	}	4037	}
3668		4038
3669	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
3670	clear_package "safe::$_"	4040	clear_package "safe::$_"
3671	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4041	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3672		4042
3673	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
3674	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
3675	delete $INC{"cf/pod.pm"};	4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3676		4046
3677	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
3678	# and global variables created in xs	4048	# and global variables created in xs
3679	#clear_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
3680		4050
3681	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
3682		4052
3683	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
3684	require cf;	4054	require cf;
3685	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
3686		4056
3687	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
3688	cf::reload_config;	4058	cf::reload_config;
3689		4059
3690	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
3691	cf::load_extensions;	4061	cf::load_extensions;
3692		4062
		4063	if ($REATTACH_ON_RELOAD) {
3693	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
3694	_global_reattach; # objects, sockets	4065	_global_reattach; # objects, sockets
3695	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
3696	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
3697	warn "reattaching attachments to players";	4068	trace "perl_reload: reattaching attachments to players";
3698	reattach $_ for values %PLAYER;	4069	reattach $_ for values %PLAYER;
		4070	}
3699		4071
3700	warn "leaving sync_job";	4072	cf::_post_init 1;
		4073
		4074	trace "perl_reload: leaving sync_job";
3701		4075
3702	1	4076	1
3703	} or do {	4077	} or do {
3704	warn $@;	4078	error $@;
3705	cf::cleanup "error while reloading, exiting.";	4079	cf::cleanup "perl_reload: error, exiting.";
3706	};	4080	};
3707		4081
3708	warn "reloaded";
3709	--$RELOAD;	4082	--$RELOAD;
3710	}	4083	}
		4084
		4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
3711	};	4087	};
3712		4088
3713	our $RELOAD_WATCHER; # used only during reload	4089	our $RELOAD_WATCHER; # used only during reload
3714		4090
3715	sub reload_perl() {	4091	sub reload_perl() {
3716	# doing reload synchronously and two reloads happen back-to-back,	4092	# doing reload synchronously and two reloads happen back-to-back,
3717	# coro crashes during coro_state_free->destroy here.	4093	# coro crashes during coro_state_free->destroy here.
3718		4094
		4095	$RELOAD_WATCHER ||= cf::async {
		4096	Coro::AIO::aio_wait cache_extensions;
		4097
3719	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3720	do_reload_perl;	4099	do_reload_perl;
3721	undef $RELOAD_WATCHER;	4100	undef $RELOAD_WATCHER;
		4101	};
3722	};	4102	};
3723	}	4103	}
3724		4104
3725	register_command "reload" => sub {	4105	register_command "reload" => sub {
3726	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
…		…
3732	reload_perl;	4112	reload_perl;
3733	};	4113	};
3734	}	4114	}
3735	};	4115	};
3736		4116
3737	unshift @INC, $LIBDIR;	4117	#############################################################################
3738		4118
3739	my $bug_warning = 0;	4119	my $bug_warning = 0;
3740		4120
3741	our @WAIT_FOR_TICK;
3742	our @WAIT_FOR_TICK_BEGIN;
3743
3744	sub wait_for_tick {	4121	sub wait_for_tick() {
3745	return if tick_inhibit || $Coro::current == $Coro::main;	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3746		4123
3747	my $signal = new Coro::Signal;	4124	$WAIT_FOR_TICK->wait;
3748	push @WAIT_FOR_TICK, $signal;
3749	$signal->wait;
3750	}	4125	}
3751		4126
3752	sub wait_for_tick_begin {	4127	sub wait_for_tick_begin() {
3753	return if tick_inhibit || $Coro::current == $Coro::main;	4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3754		4129
3755	my $signal = new Coro::Signal;	4130	my $signal = new Coro::Signal;
3756	push @WAIT_FOR_TICK_BEGIN, $signal;	4131	push @WAIT_FOR_TICK_BEGIN, $signal;
3757	$signal->wait;	4132	$signal->wait;
3758	}	4133	}
…		…
3762	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4137	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3763	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
3764	return;	4139	return;
3765	}	4140	}
3766		4141
3767	cf::server_tick; # one server iteration	4142	cf::one_tick; # one server iteration
		4143
		4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3768		4145
3769	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3770	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4147	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3771	Coro::async_pool {	4148	Coro::async_pool {
3772	$Coro::current->{desc} = "runtime saver";	4149	$Coro::current->{desc} = "runtime saver";
3773	write_runtime_sync	4150	write_runtime_sync
3774	or warn "ERROR: unable to write runtime file: $!";	4151	or error "ERROR: unable to write runtime file: $!";
3775	};	4152	};
3776	}	4153	}
3777		4154
3778	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3779	$sig->send;	4156	$sig->send;
3780	}	4157	}
3781	while (my $sig = shift @WAIT_FOR_TICK) {	4158	$WAIT_FOR_TICK->broadcast;
3782	$sig->send;
3783	}
3784		4159
3785	$LOAD = ($NOW - $TICK_START) / $TICK;	4160	$LOAD = ($NOW - $TICK_START) / $TICK;
3786	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3787		4162
3788	if (0) {	4163	if (0) {
3789	if ($NEXT_TICK) {	4164	if ($NEXT_TICK) {
3790	my $jitter = $TICK_START - $NEXT_TICK;	4165	my $jitter = $TICK_START - $NEXT_TICK;
3791	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3792	warn "jitter $JITTER\n";#d#	4167	debug "jitter $JITTER\n";#d#
3793	}	4168	}
3794	}	4169	}
3795	}	4170	}
3796		4171
3797	{	4172	{
3798	# configure BDB	4173	# configure BDB
3799		4174
3800	BDB::min_parallel 8;	4175	BDB::min_parallel 16;
3801	BDB::max_poll_reqs $TICK * 0.1;	4176	BDB::max_poll_reqs $TICK * 0.1;
3802	$AnyEvent::BDB::WATCHER->priority (1);	4177	#$AnyEvent::BDB::WATCHER->priority (1);
3803		4178
3804	unless ($DB_ENV) {	4179	unless ($DB_ENV) {
3805	$DB_ENV = BDB::db_env_create;	4180	$DB_ENV = BDB::db_env_create;
3806	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4181	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3807	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;	4182	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
…		…
3842	IO::AIO::min_parallel 8;	4217	IO::AIO::min_parallel 8;
3843	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
3844	undef $AnyEvent::AIO::WATCHER;	4219	undef $AnyEvent::AIO::WATCHER;
3845	}	4220	}
3846		4221
3847	my $_log_backtrace;	4222	our $_log_backtrace;
		4223	our $_log_backtrace_last;
3848		4224
3849	sub _log_backtrace {	4225	sub _log_backtrace {
3850	my ($msg, @addr) = @_;	4226	my ($msg, @addr) = @_;
3851		4227
3852	$msg =~ s/\n//;	4228	$msg =~ s/\n$//;
3853		4229
		4230	if ($_log_backtrace_last eq $msg) {
		4231	LOG llevInfo, "[ABT] $msg\n";
		4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3854	# limit the # of concurrent backtraces	4233	# limit the # of concurrent backtraces
3855	if ($_log_backtrace < 2) {	4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
3856	++$_log_backtrace;	4236	++$_log_backtrace;
3857	my $perl_bt = Carp::longmess $msg;	4237	my $perl_bt = Carp::longmess $msg;
3858	async {	4238	async {
3859	$Coro::current->{desc} = "abt $msg";	4239	$Coro::current->{desc} = "abt $msg";
3860		4240
…		…
3880	LOG llevInfo, "[ABT] $_\n" for @bt;	4260	LOG llevInfo, "[ABT] $_\n" for @bt;
3881	--$_log_backtrace;	4261	--$_log_backtrace;
3882	};	4262	};
3883	} else {	4263	} else {
3884	LOG llevInfo, "[ABT] $msg\n";	4264	LOG llevInfo, "[ABT] $msg\n";
3885	LOG llevInfo, "[ABT] [suppressed]\n";	4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3886	}	4266	}
3887	}	4267	}
3888		4268
3889	# load additional modules	4269	# load additional modules
3890	use cf::pod;	4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
3891		4272
3892	END { cf::emergency_save }	4273	END { cf::emergency_save }
3893		4274
3894	1	4275	1
3895		4276

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