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Revision 1.447 by root, Fri Sep 19 01:39:45 2008 UTC vs.
Revision 1.587 by root, Wed Oct 31 19:09:47 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	#	18	# <http://www.gnu.org/licenses/>.
		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
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
36		40
37	use Coro ();	41	use Coro ();
38	use Coro::State;	42	use Coro::State;
39	use Coro::Handle;	43	use Coro::Handle;
40	use Coro::EV;	44	use Coro::EV;
41	use Coro::AnyEvent;	45	use Coro::AnyEvent;
42	use Coro::Timer;	46	use Coro::Timer;
43	use Coro::Signal;	47	use Coro::Signal;
44	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
45	use Coro::AnyEvent;	50	use Coro::AnyEvent;
46	use Coro::AIO;	51	use Coro::AIO;
47	use Coro::BDB 1.6;	52	use Coro::BDB 1.6;
48	use Coro::Storable;	53	use Coro::Storable;
49	use Coro::Util ();	54	use Coro::Util ();
50		55
		56	use Guard ();
51	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
52	use BDB ();	58	use BDB ();
53	use Data::Dumper;	59	use Data::Dumper;
54	use Digest::MD5;
55	use Fcntl;	60	use Fcntl;
56	use YAML ();	61	use YAML::XS ();
57	use IO::AIO ();	62	use IO::AIO ();
58	use Time::HiRes;	63	use Time::HiRes;
59	use Compress::LZF;	64	use Compress::LZF;
60	use Digest::MD5 ();	65	use Digest::MD5 ();
61		66
…		…
63		68
64	# configure various modules to our taste	69	# configure various modules to our taste
65	#	70	#
66	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69		79
70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	80	# strictly for debugging
		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
71		82
72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
73		86
74	our %COMMAND = ();	87	our %COMMAND = ();
75	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
76		89
77	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
78	our %EXTCMD = ();	91	our %EXTCMD = ();
79	our %EXTICMD = ();	92	our %EXTICMD = ();
80	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
81	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
82		95
83	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
84	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
85		100
86	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
87	our $DATADIR = datadir;	103	our $DATADIR = datadir;
88	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
89	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
90	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
91	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
92	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
96	our $BDBDIR = "$LOCALDIR/db";	113	our $BDBDIR = "$LOCALDIR/db";
97	our $PIDFILE = "$LOCALDIR/pid";	114	our $PIDFILE = "$LOCALDIR/pid";
98	our $RUNTIMEFILE = "$LOCALDIR/runtime";	115	our $RUNTIMEFILE = "$LOCALDIR/runtime";
99		116
100	our %RESOURCE;	117	#our %RESOURCE; # unused
		118
		119	our $OUTPUT_RATE_MIN = 3000;
		120	our $OUTPUT_RATE_MAX = 1000000;
		121
		122	our $MAX_LINKS = 32; # how many chained exits to follow
		123	our $VERBOSE_IO = 1;
101		124
102	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
104	our $NEXT_TICK;	127	our $NEXT_TICK;
105	our $USE_FSYNC = 1; # use fsync to write maps - default off	128	our $USE_FSYNC = 1; # use fsync to write maps - default on
106		129
107	our $BDB_DEADLOCK_WATCHER;	130	our $BDB_DEADLOCK_WATCHER;
108	our $BDB_CHECKPOINT_WATCHER;	131	our $BDB_CHECKPOINT_WATCHER;
109	our $BDB_TRICKLE_WATCHER;	132	our $BDB_TRICKLE_WATCHER;
110	our $DB_ENV;	133	our $DB_ENV;
111		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
112	our %CFG;	137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
113		139
114	our $UPTIME; $UPTIME ||= time;	140	our $UPTIME; $UPTIME ||= time;
115	our $RUNTIME;	141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
116	our $NOW;	143	our $NOW;
117		144
118	our (%PLAYER, %PLAYER_LOADING); # all users	145	our (%PLAYER, %PLAYER_LOADING); # all users
119	our (%MAP, %MAP_LOADING ); # all maps	146	our (%MAP, %MAP_LOADING ); # all maps
120	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
…		…
124		151
125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	152	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
126	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
127	our $JITTER; # average jitter	154	our $JITTER; # average jitter
128	our $TICK_START; # for load detecting purposes	155	our $TICK_START; # for load detecting purposes
		156
		157	our @POST_INIT;
		158
		159	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		160	our $REALLY_UNLOOP; # never set to true, please :)
		161
		162	our $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
129		164
130	binmode STDOUT;	165	binmode STDOUT;
131	binmode STDERR;	166	binmode STDERR;
132		167
133	# read virtual server time, if available	168	# read virtual server time, if available
…		…
135	open my $fh, "<", $RUNTIMEFILE	170	open my $fh, "<", $RUNTIMEFILE
136	or die "unable to read $RUNTIMEFILE file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
137	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
138	}	173	}
139		174
		175	eval "sub TICK() { $TICK } 1" or die;
		176
140	mkdir $_	177	mkdir $_
141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
142		179
143	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
144		181
145	sub cf::map::normalise;	182	sub cf::map::normalise;
146		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
147	#############################################################################	188	#############################################################################
148		189
		190	%REFLECT = ();
		191	for (@REFLECT) {
		192	my $reflect = JSON::XS::decode_json $_;
		193	$REFLECT{$reflect->{class}} = $reflect;
		194	}
		195
		196	# this is decidedly evil
		197	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		198
		199	#############################################################################
		200
149	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
150		202
151	=over 4	203	=over 4
152		204
153	=item $cf::UPTIME	205	=item $cf::UPTIME
154		206
155	The timestamp of the server start (so not actually an uptime).	207	The timestamp of the server start (so not actually an "uptime").
		208
		209	=item $cf::SERVER_TICK
		210
		211	An unsigned integer that starts at zero when the server is started and is
		212	incremented on every tick.
		213
		214	=item $cf::NOW
		215
		216	The (real) time of the last (current) server tick - updated before and
		217	after tick processing, so this is useful only as a rough "what time is it
		218	now" estimate.
		219
		220	=item $cf::TICK
		221
		222	The interval between each server tick, in seconds.
156		223
157	=item $cf::RUNTIME	224	=item $cf::RUNTIME
158		225
159	The time this server has run, starts at 0 and is increased by $cf::TICK on	226	The time this server has run, starts at 0 and is increased by $cf::TICK on
160	every server tick.	227	every server tick.
…		…
166	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
167	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
168	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
169	database environment.	236	database environment.
170		237
171	=item $cf::NOW
172
173	The time of the last (current) server tick.
174
175	=item $cf::TICK
176
177	The interval between server ticks, in seconds.
178
179	=item $cf::LOADAVG	238	=item $cf::LOADAVG
180		239
181	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
182	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
183	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
192	from wherever your confdir points to.	251	from wherever your confdir points to.
193		252
194	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
195		254
196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
197	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
199		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$cf::WAIT_FOR_TICK>).
		263
		264	=item $cf::WAIT_FOR_TICK
		265
		266	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		267	variable contains a L<Coro::Signal> that is broadcats after every server
		268	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		269	next server tick.
		270
		271	=cut
		272
		273	sub wait_for_tick();
		274	sub wait_for_tick_begin();
		275
200	=item @cf::INVOKE_RESULTS	276	=item @cf::INVOKE_RESULTS
201		277
202	This array contains the results of the last C<invoke ()> call. When	278	This array contains the results of the last C<invoke ()> call. When
203	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	279	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
204	that call.	280	that call.
205		281
		282	=item %cf::REFLECT
		283
		284	Contains, for each (C++) class name, a hash reference with information
		285	about object members (methods, scalars, arrays and flags) and other
		286	metadata, which is useful for introspection.
		287
206	=back	288	=back
207		289
208	=cut	290	=cut
209		291
210	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
211	*CORE::GLOBAL::warn = sub {	293	sub warn (@) { LOG llevWarn , join "", @_ }
		294	sub info (@) { LOG llevInfo , join "", @_ }
		295	sub debug(@) { LOG llevDebug, join "", @_ }
		296	sub trace(@) { LOG llevTrace, join "", @_ }
		297
		298	$Coro::State::WARNHOOK = sub {
212	my $msg = join "", @_;	299	my $msg = join "", @_;
213		300
214	$msg .= "\n"	301	$msg .= "\n"
215	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
216		303
217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	304	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
218		305
219	LOG llevError, $msg;	306	LOG llevWarn, $msg;
220	};	307	};
221	}
222		308
223	$Coro::State::DIEHOOK = sub {	309	$Coro::State::DIEHOOK = sub {
224	return unless $^S eq 0; # "eq", not "=="	310	return unless $^S eq 0; # "eq", not "=="
225		311
226	if ($Coro::current == $Coro::main) {#d#	312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
227	warn "DIEHOOK called in main context, Coro bug?\n";#d#	315	error "DIEHOOK called in main context, Coro bug?\n";#d#
228	return;#d#	316	return;#d#
229	}#d#	317	}#d#
230		318
231	# kill coroutine otherwise	319	# kill coroutine otherwise
232	warn Carp::longmess $_[0];
233	Coro::terminate	320	Coro::terminate
234	};	321	};
235
236	$SIG{__DIE__} = sub { }; #d#?
237		322
238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
255	)) {	340	)) {
256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
257	}	342	}
258		343
259	$EV::DIED = sub {	344	$EV::DIED = sub {
260	warn "error in event callback: @_";	345	warn "error in event callback: $@";
261	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
262		352
263	#############################################################################	353	#############################################################################
264		354
265	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
266		356
…		…
287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
288	$d	378	$d
289	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
290	}	380	}
291		381
		382	=item $scalar = cf::load_file $path
		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($path, $data, $sync) = @_;
		405
		406	my $lock = cf::lock_acquire ("replace_file:$path");
		407
		408	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		409	or return;
		410
		411	$data = $data->() if ref $data;
		412
		413	length $data == aio_write $fh, 0, (length $data), $data, 0
		414	or return;
		415
		416	!$sync
		417	or !aio_fsync $fh
		418	or return;
		419
		420	aio_close $fh
		421	and return;
		422
		423	aio_rename "$path~", $path
		424	and return;
		425
		426	if ($sync) {
		427	$path =~ s%/[^/]*$%%;
		428	aio_pathsync $path;
		429	}
		430
		431	1
		432	}
		433
292	=item $ref = cf::decode_json $json	434	=item $ref = cf::decode_json $json
293		435
294	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
295		437
296	=item $json = cf::encode_json $ref	438	=item $json = cf::encode_json $ref
…		…
302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
303		445
304	sub encode_json($) { $json_coder->encode ($_[0]) }	446	sub encode_json($) { $json_coder->encode ($_[0]) }
305	sub decode_json($) { $json_coder->decode ($_[0]) }	447	sub decode_json($) { $json_coder->decode ($_[0]) }
306		448
		449	=item $ref = cf::decode_storable $scalar
		450
		451	Same as Coro::Storable::thaw, so blocks.
		452
		453	=cut
		454
		455	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		456
		457	=item $ref = cf::decode_yaml $scalar
		458
		459	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		460
		461	=cut
		462
		463	sub decode_yaml($) {
		464	fork_call { YAML::XS::Load $_[0] } @_
		465	}
		466
		467	=item $scalar = cf::unlzf $scalar
		468
		469	Same as Compress::LZF::compress, but takes server ticks into account, so
		470	blocks.
		471
		472	=cut
		473
		474	sub unlzf($) {
		475	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		476	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		477	Compress::LZF::decompress $_[0]
		478	}
		479
		480	=item cf::post_init { BLOCK }
		481
		482	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		483	but I<before> the server starts ticking again.
		484
		485	The codeblock will have a single boolean argument to indicate whether this
		486	is a reload or not.
		487
		488	=cut
		489
		490	sub post_init(&) {
		491	push @POST_INIT, shift;
		492	}
		493
		494	sub _post_init {
		495	trace "running post_init jobs";
		496
		497	# run them in parallel...
		498
		499	my @join;
		500
		501	while () {
		502	push @join, map &Coro::async ($_, 0), @POST_INIT;
		503	@POST_INIT = ();
		504
		505	@join or last;
		506
		507	(pop @join)->join;
		508	}
		509	}
		510
307	=item cf::lock_wait $string	511	=item cf::lock_wait $string
308		512
309	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
310		514
311	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
312		516
313	Wait until the given lock is available and then acquires it and returns	517	Wait until the given lock is available and then acquires it and returns
314	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	518	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
315	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
316	returned.	520	returned.
317		521
318	Locks are *not* recursive, locking from the same coro twice results in a	522	Locks are *not* recursive, locking from the same coro twice results in a
319	deadlocked coro.	523	deadlocked coro.
…		…
325		529
326	Return true if the lock is currently active, i.e. somebody has locked it.	530	Return true if the lock is currently active, i.e. somebody has locked it.
327		531
328	=cut	532	=cut
329		533
330	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
331	our %LOCKER;#d#
332		535
333	sub lock_wait($) {	536	sub lock_wait($) {
334	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
335
336	if ($LOCKER{$key} == $Coro::current) {#d#
337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
338	return;#d#
339	}#d#
340
341	# wait for lock, if any
342	while ($LOCK{$key}) {
343	push @{ $LOCK{$key} }, $Coro::current;
344	Coro::schedule;
345	}
346	}	538	}
347		539
348	sub lock_acquire($) {	540	sub lock_acquire($) {
349	my ($key) = @_;	541	$LOCKS->guard ($_[0])
350
351	# wait, to be sure we are not locked
352	lock_wait $key;
353
354	$LOCK{$key} = [];
355	$LOCKER{$key} = $Coro::current;#d#
356
357	Coro::guard {
358	delete $LOCKER{$key};#d#
359	# wake up all waiters, to be on the safe side
360	$_->ready for @{ delete $LOCK{$key} };
361	}
362	}	542	}
363		543
364	sub lock_active($) {	544	sub lock_active($) {
365	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
366
367	! ! $LOCK{$key}
368	}	546	}
369		547
370	sub freeze_mainloop {	548	sub freeze_mainloop {
371	tick_inhibit_inc;	549	tick_inhibit_inc;
372		550
373	Coro::guard \&tick_inhibit_dec;	551	&Guard::guard (\&tick_inhibit_dec);
374	}	552	}
375		553
376	=item cf::periodic $interval, $cb	554	=item cf::periodic $interval, $cb
377		555
378	Like EV::periodic, but randomly selects a starting point so that the actions	556	Like EV::periodic, but randomly selects a starting point so that the actions
379	get spread over timer.	557	get spread over time.
380		558
381	=cut	559	=cut
382		560
383	sub periodic($$) {	561	sub periodic($$) {
384	my ($interval, $cb) = @_;	562	my ($interval, $cb) = @_;
…		…
388	EV::periodic $start, $interval, 0, $cb	566	EV::periodic $start, $interval, 0, $cb
389	}	567	}
390		568
391	=item cf::get_slot $time[, $priority[, $name]]	569	=item cf::get_slot $time[, $priority[, $name]]
392		570
393	Allocate $time seconds of blocking CPU time at priority C<$priority>:	571	Allocate $time seconds of blocking CPU time at priority C<$priority>
394	This call blocks and returns only when you have at least C<$time> seconds	572	(default: 0): This call blocks and returns only when you have at least
395	of cpu time till the next tick. The slot is only valid till the next cede.	573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
396		578
397	The optional C<$name> can be used to identify the job to run. It might be	579	The optional C<$name> can be used to identify the job to run. It might be
398	used for statistical purposes and should identify the same time-class.	580	used for statistical purposes and should identify the same time-class.
399		581
400	Useful for short background jobs.	582	Useful for short background jobs.
401		583
402	=cut	584	=cut
403		585
404	our @SLOT_QUEUE;	586	our @SLOT_QUEUE;
405	our $SLOT_QUEUE;	587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
406		589
407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
408	$SLOT_QUEUE = Coro::async {	591	$SLOT_QUEUE = Coro::async {
409	$Coro::current->desc ("timeslot manager");	592	$Coro::current->desc ("timeslot manager");
410		593
411	my $signal = new Coro::Signal;	594	my $signal = new Coro::Signal;
		595	my $busy;
412		596
413	while () {	597	while () {
414	next_job:	598	next_job:
		599
415	my $avail = cf::till_tick;	600	my $avail = cf::till_tick;
416	if ($avail > 0.01) {	601
417	for (0 .. $#SLOT_QUEUE) {	602	for (0 .. $#SLOT_QUEUE) {
418	if ($SLOT_QUEUE[$_][0] < $avail) {	603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
419	my $job = splice @SLOT_QUEUE, $_, 1, ();	605	my $job = splice @SLOT_QUEUE, $_, 1, ();
420	$job->[2]->send;	606	$job->[2]->send;
421	Coro::cede;	607	Coro::cede;
422	goto next_job;	608	goto next_job;
423	}	609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
424	}	611	}
425	}	612	}
426		613
427	if (@SLOT_QUEUE) {	614	if (@SLOT_QUEUE) {
428	# we do not use wait_for_tick() as it returns immediately when tick is inactive	615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
429	push @cf::WAIT_FOR_TICK, $signal;	616	$WAIT_FOR_TICK->wait;
430	$signal->wait;
431	} else {	617	} else {
		618	$busy = 0;
432	Coro::schedule;	619	Coro::schedule;
433	}	620	}
434	}	621	}
435	};	622	};
436		623
437	sub get_slot($;$$) {	624	sub get_slot($;$$) {
438	return if tick_inhibit || $Coro::current == $Coro::main;	625	return if tick_inhibit || $Coro::current == $Coro::main;
439		626
440	my ($time, $pri, $name) = @_;	627	my ($time, $pri, $name) = @_;
441		628
442	$time = $TICK * .6 if $time > $TICK * .6;	629	$time = clamp $time, 0.01, $TICK * .6;
		630
443	my $sig = new Coro::Signal;	631	my $sig = new Coro::Signal;
444		632
445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
447	$SLOT_QUEUE->ready;	635	$SLOT_QUEUE->ready;
…		…
473	=cut	661	=cut
474		662
475	sub sync_job(&) {	663	sub sync_job(&) {
476	my ($job) = @_;	664	my ($job) = @_;
477		665
478	if ($Coro::current == $Coro::main) {	666	if (in_main) {
479	my $time = EV::time;	667	my $time = AE::time;
480		668
481	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
482	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
483		671
484	LOG llevError, Carp::longmess "sync job";#d#	672	#LOG llevError, Carp::longmess "sync job";#d#
485		673
486	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
487		675
488	my $busy = 1;	676	my $busy = 1;
489	my @res;	677	my @res;
490		678
491	(async {	679	(async {
492	$Coro::current->desc ("sync job coro");	680	$Coro::current->desc ("sync job coro");
493	@res = eval { $job->() };	681	@res = eval { $job->() };
494	warn $@ if $@;	682	error $@ if $@;
495	undef $busy;	683	undef $busy;
496	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
497		685
498	while ($busy) {	686	while ($busy) {
499	if (Coro::nready) {	687	if (Coro::nready) {
…		…
501	} else {	689	} else {
502	EV::loop EV::LOOP_ONESHOT;	690	EV::loop EV::LOOP_ONESHOT;
503	}	691	}
504	}	692	}
505		693
506	my $time = EV::time - $time;	694	my $time = AE::time - $time;
507		695
508	$TICK_START += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
509		697
510	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
511	} else {	699	} else {
…		…
533	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
534		722
535	$coro	723	$coro
536	}	724	}
537		725
538	=item fork_call { }, $args	726	=item fork_call { }, @args
539		727
540	Executes the given code block with the given arguments in a seperate	728	Executes the given code block with the given arguments in a seperate
541	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
542	Coro::Storable. May, of course, block. Note that the executed sub may	730	Coro::Storable. May, of course, block. Note that the executed sub may
543	never block itself or use any form of event handling.	731	never block itself or use any form of event handling.
544		732
545	=cut	733	=cut
546		734
		735	sub post_fork {
		736	reset_signals;
		737	}
		738
547	sub fork_call(&@) {	739	sub fork_call(&@) {
548	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
549		741
550	# we seemingly have to make a local copy of the whole thing,	742	# we seemingly have to make a local copy of the whole thing,
551	# otherwise perl prematurely frees the stuff :/	743	# otherwise perl prematurely frees the stuff :/
552	# TODO: investigate and fix (likely this will be rather laborious)	744	# TODO: investigate and fix (likely this will be rather laborious)
553		745
554	my @res = Coro::Util::fork_eval {	746	my @res = Coro::Util::fork_eval {
555	reset_signals;	747	cf::post_fork;
556	&$cb	748	&$cb
557	}, @args;	749	} @args;
558		750
559	wantarray ? @res : $res[-1]	751	wantarray ? @res : $res[-1]
		752	}
		753
		754	sub objinfo {
		755	(
		756	"counter value" => cf::object::object_count,
		757	"objects created" => cf::object::create_count,
		758	"objects destroyed" => cf::object::destroy_count,
		759	"freelist size" => cf::object::free_count,
		760	"allocated objects" => cf::object::objects_size,
		761	"active objects" => cf::object::actives_size,
		762	)
560	}	763	}
561		764
562	=item $coin = coin_from_name $name	765	=item $coin = coin_from_name $name
563		766
564	=cut	767	=cut
…		…
601	within each server.	804	within each server.
602		805
603	=cut	806	=cut
604		807
605	sub db_table($) {	808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
606	my ($name) = @_;	812	my ($name) = @_;
607	my $db = BDB::db_create $DB_ENV;	813	my $db = BDB::db_create $DB_ENV;
608		814
609	eval {	815	eval {
610	$db->set_flags (BDB::CHKSUM);	816	$db->set_flags (BDB::CHKSUM);
…		…
620	}	826	}
621		827
622	our $DB;	828	our $DB;
623		829
624	sub db_init {	830	sub db_init {
625	cf::sync_job {
626	$DB ||= db_table "db";	831	$DB ||= db_table "db";
627	};
628	}	832	}
629		833
630	sub db_get($$) {	834	sub db_get($$) {
631	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
632		836
633	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
634	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
635		841
636	$! ? ()	842	$! ? ()
637	: $data	843	: $data
638	}
639	}	844	}
640		845
641	sub db_put($$$) {	846	sub db_put($$$) {
642	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
643	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
671		876
672	my @data;	877	my @data;
673	my $md5;	878	my $md5;
674		879
675	for (0 .. $#$src) {	880	for (0 .. $#$src) {
676	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
677	or Carp::croak "$src->[$_]: $!";
678	}	882	}
679		883
680	# if processing is expensive, check	884	# if processing is expensive, check
681	# checksum first	885	# checksum first
682	if (1) {	886	if (1) {
…		…
699		903
700	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
701	my $data = $process->(\@data);	905	my $data = $process->(\@data);
702	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
703		907
704	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
705		909
706	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
707	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
708	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
709		913
…		…
719		923
720	=cut	924	=cut
721		925
722	sub datalog($@) {	926	sub datalog($@) {
723	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
724	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
725	}	929	}
726		930
727	=back	931	=back
728		932
729	=cut	933	=cut
…		…
924		1128
925	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
926	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
927		1131
928	} elsif (ref $type) {	1132	} elsif (ref $type) {
929	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
930		1134
931	} else {	1135	} else {
932	shift @arg;	1136	shift @arg;
933	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
934	}	1138	}
935	}	1139	}
936	}	1140	}
937		1141
938	sub _object_attach {	1142	sub _object_attach {
…		…
948	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
949	}	1153	}
950		1154
951	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
952	} else {	1156	} else {
953	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
954	}	1158	}
955		1159
956	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
957	}	1161	}
958		1162
…		…
1017		1221
1018	for (@$callbacks) {	1222	for (@$callbacks) {
1019	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
1020		1224
1021	if ($@) {	1225	if ($@) {
1022	warn "$@";
1023	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1024	override;	1227	override;
1025	}	1228	}
1026		1229
1027	return 1 if $override;	1230	return 1 if $override;
1028	}	1231	}
…		…
1107	for (@$attach) {	1310	for (@$attach) {
1108	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
1109	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
1110	}	1313	}
1111	} else {	1314	} else {
1112	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
1113	}	1316	}
1114	}	1317	}
1115	}	1318	}
1116		1319
1117	cf::attachable->attach (	1320	cf::attachable->attach (
…		…
1144	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
1145		1348
1146	sync_job {	1349	sync_job {
1147	if (length $$rdata) {	1350	if (length $$rdata) {
1148	utf8::decode (my $decname = $filename);	1351	utf8::decode (my $decname = $filename);
1149	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
1150	$decname, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
1151		1355
1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1153	aio_chmod $fh, SAVE_MODE;	1357	aio_chmod $fh, SAVE_MODE;
1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1155	aio_fsync $fh if $cf::USE_FSYNC;	1359	if ($cf::USE_FSYNC) {
		1360	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1361	aio_fsync $fh;
		1362	}
1156	aio_close $fh;	1363	aio_close $fh;
1157		1364
1158	if (@$objs) {	1365	if (@$objs) {
1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1366	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1160	aio_chmod $fh, SAVE_MODE;	1367	aio_chmod $fh, SAVE_MODE;
1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1162	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
1163	aio_fsync $fh if $cf::USE_FSYNC;	1370	if ($cf::USE_FSYNC) {
		1371	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1372	aio_fsync $fh;
		1373	}
1164	aio_close $fh;	1374	aio_close $fh;
1165	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
1166	}	1376	}
1167	} else {	1377	} else {
1168	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
1169	}	1379	}
1170		1380
1171	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
1172	} else {	1385	} else {
1173	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
1174	}	1387	}
1175	} else {	1388	} else {
1176	aio_unlink $filename;	1389	aio_unlink $filename;
1177	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
1178	}	1391	}
…		…
1202	my $st = eval { Coro::Storable::thaw $av };	1415	my $st = eval { Coro::Storable::thaw $av };
1203	$av = $st->{objs};	1416	$av = $st->{objs};
1204	}	1417	}
1205		1418
1206	utf8::decode (my $decname = $filename);	1419	utf8::decode (my $decname = $filename);
1207	warn sprintf "loading %s (%d,%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1208	$decname, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
1209		1423
1210	($data, $av)	1424	($data, $av)
1211	}	1425	}
1212		1426
1213	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
…		…
1269	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1270		1484
1271	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1272	}	1486	}
1273		1487
		1488	use File::Glob ();
		1489
1274	cf::player->attach (	1490	cf::player->attach (
1275	on_command => sub {	1491	on_unknown_command => sub {
1276	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1277		1493
1278	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1279	or return;	1495	or return;
1280		1496
…		…
1288	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1289		1505
1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1291		1507
1292	if (ref $msg) {	1508	if (ref $msg) {
1293	my ($type, $reply, @payload) =	1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1294	"ARRAY" eq ref $msg
1295	? @$msg
1296	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1297		1510
1298	my @reply;	1511	my @reply;
1299		1512
1300	if (my $cb = $EXTCMD{$type}) {	1513	if (my $cb = $EXTCMD{$type}) {
1301	@reply = $cb->($pl, @payload);	1514	@reply = $cb->($pl, @payload);
…		…
1303		1516
1304	$pl->ext_reply ($reply, @reply)	1517	$pl->ext_reply ($reply, @reply)
1305	if $reply;	1518	if $reply;
1306		1519
1307	} else {	1520	} else {
1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1309	}	1522	}
1310		1523
1311	cf::override;	1524	cf::override;
1312	},	1525	},
1313	);	1526	);
1314		1527
		1528	# "readahead" all extensions
		1529	sub cache_extensions {
		1530	my $grp = IO::AIO::aio_group;
		1531
		1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1533	for (grep /\.ext$/, @{$_[0]}) {
		1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1535	}
		1536	};
		1537
		1538	$grp
		1539	}
		1540
		1541	sub _ext_cfg_reg($$$$) {
		1542	my ($rvar, $varname, $cfgname, $default) = @_;
		1543
		1544	$cfgname = lc $varname
		1545	unless length $cfgname;
		1546
		1547	$EXT_CFG{$cfgname} = [$rvar, $default];
		1548
		1549	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1550	}
		1551
1315	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1316	cf::sync_job {	1557	cf::sync_job {
1317	my %todo;	1558	my %todo;
1318		1559
1319	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1320	next unless -r $path;	1561	next unless -r $path;
…		…
1338		1579
1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1341		1582
1342	$ext{source} =	1583	$ext{source} =
1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1344	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1345	. $source	1586	. $source
1346	. "\n};\n1";	1587	. "\n};\n1";
1347		1588
1348	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1349	}	1590	}
1350		1591
		1592	my $pass = 0;
1351	my %done;	1593	my %done;
1352	while (%todo) {	1594	while (%todo) {
1353	my $progress;	1595	my $progress;
1354		1596
		1597	++$pass;
		1598
		1599	ext:
1355	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1356	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1357	goto skip	1602	next ext
1358	unless exists $done{$_};	1603	unless exists $done{$_};
1359	}	1604	}
1360		1605
1361	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1362		1607
1363	unless (eval $v->{source}) {	1608	my $source = $v->{source};
		1609
		1610	# support "CONF varname :confname = default" pseudo-statements
		1611	$source =~ s{
		1612	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1613	}{
		1614	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1615	}gmxe;
		1616
		1617	my $active = eval $source;
		1618
		1619	if (length $@) {
1364	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1365	: "$v->{base}: extension inactive.\n";
1366		1621
1367	if (exists $v->{meta}{mandatory}) {
1368	warn $msg;
1369	cf::cleanup "mandatory extension failed to load, exiting.";	1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1370	}	1623	if exists $v->{meta}{mandatory};
1371		1624
1372	warn $msg;	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1626	delete $todo{$k};
		1627	} else {
		1628	$done{$k} = delete $todo{$k};
		1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1373	}	1634	}
1374
1375	$done{$k} = delete $todo{$k};
1376	push @EXTS, $v->{pkg};
1377	$progress = 1;
1378	}	1635	}
1379		1636
1380	skip:	1637	unless ($progress) {
1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1382	unless $progress;	1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
1383	}	1647	}
1384	};	1648	};
1385	}	1649	}
1386		1650
1387	#############################################################################	1651	#############################################################################
…		…
1441		1705
1442	sub exists($) {	1706	sub exists($) {
1443	my ($login) = @_;	1707	my ($login) = @_;
1444		1708
1445	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1446	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1447	}	1711	}
1448		1712
1449	sub find($) {	1713	sub find($) {
1450	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1451	my $login = $_[0];	1715	my $login = $_[0];
…		…
1471	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1472	}	1736	}
1473	}	1737	}
1474	}	1738	}
1475		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($pl, $path) = @_;
		1743
		1744	# restore slots saved in save, below
		1745	my $slots = delete $pl->{_slots};
		1746
		1747	$pl->ob->current_weapon ($slots->[0]);
		1748	$pl->combat_ob ($slots->[1]);
		1749	$pl->ranged_ob ($slots->[2]);
		1750	},
		1751	);
		1752
1476	sub save($) {	1753	sub save($) {
1477	my ($pl) = @_;	1754	my ($pl) = @_;
1478		1755
1479	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
1480		1757
…		…
1485		1762
1486	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1487	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1488		1765
1489	cf::get_slot 0.01;	1766	cf::get_slot 0.01;
		1767
		1768	# save slots, to be restored later
		1769	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1490		1770
1491	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1492	cf::cede_to_tick;	1772	cf::cede_to_tick;
1493	}	1773	}
1494		1774
…		…
1528	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1529		1809
1530	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir	1811	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1532		1812
1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1534	$pl->deactivate;	1814	$pl->deactivate;
		1815
1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1536	$pl->ob->check_score;
1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1538	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1539		1821
1540	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1541	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1542	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1596	\@logins	1878	\@logins
1597	}	1879	}
1598		1880
1599	=item $player->maps	1881	=item $player->maps
1600		1882
		1883	=item cf::player::maps $login
		1884
1601	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1602	player. May block.	1886	player. May block.
1603		1887
1604	=cut	1888	=cut
1605		1889
…		…
1667	=cut	1951	=cut
1668		1952
1669	sub find_by_path($) {	1953	sub find_by_path($) {
1670	my ($path) = @_;	1954	my ($path) = @_;
1671		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
		1957
1672	my ($match, $specificity);	1958	my ($match, $specificity);
1673		1959
1674	for my $region (list) {	1960	for my $region (list) {
1675	if ($region->{match} && $path =~ $region->{match}) {	1961	if ($region->{match} && $path =~ $region->{match}) {
1676	($match, $specificity) = ($region, $region->specificity)	1962	($match, $specificity) = ($region, $region->specificity)
…		…
1704	sub generate_random_map {	1990	sub generate_random_map {
1705	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1706		1992
1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1708		1994
1709	# mit "rum" bekleckern, nicht
1710	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1714	$rmp->{exit_on_final_map},
1715	$rmp->{xsize}, $rmp->{ysize},
1716	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1717	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1718	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1719	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1720	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1721	(cf::region::find $rmp->{region}), $rmp->{custom}
1722	)
1723	}	1996	}
1724		1997
1725	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1726		1999
1727	Register a handler for the map path matching the given regex at the	2000	Register a handler for the map path matching the given regex at the
…		…
1732		2005
1733	sub register {	2006	sub register {
1734	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1735	my $pkg = caller;	2008	my $pkg = caller;
1736		2009
1737	no strict;
1738	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1739		2011
1740	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1741	}	2013	}
1742		2014
1743	# also paths starting with '/'	2015	# also paths starting with '/'
1744	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1745		2017
1746	sub thawer_merge {	2018	sub thawer_merge {
1747	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1748		2020
1749	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
…		…
1754	}	2026	}
1755		2027
1756	sub normalise {	2028	sub normalise {
1757	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1758		2030
1759	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1760		2032
1761	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1762		2034
1763	# map plan:	2035	# map plan:
1764	#	2036	#
…		…
1779	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1780	$path = "$base/$path";	2052	$path = "$base/$path";
1781	}	2053	}
1782		2054
1783	for ($path) {	2055	for ($path) {
1784	redo if s{//}{/};
1785	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1786	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1787	}	2058	}
1788		2059
1789	$path	2060	$path
…		…
1803	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1804	return $self;	2075	return $self;
1805	}	2076	}
1806	}	2077	}
1807		2078
1808	Carp::cluck "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1809	()	2080	()
1810	}	2081	}
1811		2082
		2083	# may re-bless or do other evil things
1812	sub init {	2084	sub init {
1813	my ($self) = @_;	2085	my ($self) = @_;
1814		2086
1815	$self	2087	$self
1816	}	2088	}
…		…
1847		2119
1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1849	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1850	}	2122	}
1851		2123
1852	# and all this just because we cannot iterate over
1853	# all maps in C++...
1854	sub change_all_map_light {
1855	my ($change) = @_;
1856
1857	$_->change_map_light ($change)
1858	for grep $_->outdoor, values %cf::MAP;
1859	}
1860
1861	sub decay_objects {	2124	sub decay_objects {
1862	my ($self) = @_;	2125	my ($self) = @_;
1863		2126
1864	return if $self->{deny_reset};	2127	return if $self->{deny_reset};
1865		2128
…		…
1890	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1891		2154
1892	1	2155	1
1893	}	2156	}
1894		2157
		2158	# used to laod the header of an original map
1895	sub load_header_orig {	2159	sub load_header_orig {
1896	my ($self) = @_;	2160	my ($self) = @_;
1897		2161
1898	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1899	}	2163	}
1900		2164
		2165	# used to laod the header of an instantiated map
1901	sub load_header_temp {	2166	sub load_header_temp {
1902	my ($self) = @_;	2167	my ($self) = @_;
1903		2168
1904	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1905	}	2170	}
1906		2171
		2172	# called after loading the header from an instantiated map
1907	sub prepare_temp {	2173	sub prepare_temp {
1908	my ($self) = @_;	2174	my ($self) = @_;
1909		2175
1910	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1911	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1912	# safety	2178	# safety
1913	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1914	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1915	}	2181	}
1916		2182
		2183	# called after loading the header from an original map
1917	sub prepare_orig {	2184	sub prepare_orig {
1918	my ($self) = @_;	2185	my ($self) = @_;
1919		2186
1920	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1921	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1945		2212
1946	sub find;	2213	sub find;
1947	sub find {	2214	sub find {
1948	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1949		2216
		2217	cf::cede_to_tick;
		2218
1950	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1951		2220
1952	cf::lock_wait "map_data:$path";#d#remove	2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1953	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1954		2223
1955	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1957	my $guard2 = cf::lock_acquire "map_find:$path";
1958
1959	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1960	or return;	2226	or return;
1961		2227
1962	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1963		2229
…		…
1975		2241
1976	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1977	}	2243	}
1978	}	2244	}
1979		2245
1980	sub pre_load { }	2246	sub pre_load { }
1981	sub post_load { }	2247	#sub post_load { } # XS
1982		2248
1983	sub load {	2249	sub load {
1984	my ($self) = @_;	2250	my ($self) = @_;
1985		2251
1986	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1989		2255
1990	{	2256	{
1991	my $guard = cf::lock_acquire "map_data:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1992		2258
1993	return unless $self->valid;	2259	return unless $self->valid;
1994	return unless $self->in_memory == cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
1995
1996	$self->in_memory (cf::MAP_LOADING);
1997		2261
1998	$self->alloc;	2262	$self->alloc;
1999		2263
2000	$self->pre_load;	2264	$self->pre_load;
2001	cf::cede_to_tick;	2265	cf::cede_to_tick;
2002		2266
		2267	if (exists $self->{load_path}) {
2003	my $f = new_from_file cf::object::thawer $self->{load_path};	2268	my $f = new_from_file cf::object::thawer $self->{load_path};
2004	$f->skip_block;	2269	$f->skip_block;
2005	$self->_load_objects ($f)	2270	$self->_load_objects ($f)
2006	or return;	2271	or return;
2007		2272
2008	$self->post_load_original	2273	$self->post_load_original
2009	if delete $self->{load_original};	2274	if delete $self->{load_original};
2010		2275
2011	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
2012	utf8::encode $uniq;	2277	utf8::encode $uniq;
2013	unless (aio_stat $uniq) {	2278	unless (aio_stat $uniq) {
2014	if (my $f = new_from_file cf::object::thawer $uniq) {	2279	if (my $f = new_from_file cf::object::thawer $uniq) {
2015	$self->clear_unique_items;	2280	$self->clear_unique_items;
2016	$self->_load_objects ($f);	2281	$self->_load_objects ($f);
2017	$f->resolve_delayed_derefs;	2282	$f->resolve_delayed_derefs;
		2283	}
2018	}	2284	}
2019	}	2285	}
2020	}
2021		2286
2022	$f->resolve_delayed_derefs;	2287	$f->resolve_delayed_derefs;
		2288	} else {
		2289	$self->post_load_original
		2290	if delete $self->{load_original};
		2291	}
		2292
		2293	$self->state (cf::MAP_INACTIVE);
2023		2294
2024	cf::cede_to_tick;	2295	cf::cede_to_tick;
2025	# now do the right thing for maps	2296	# now do the right thing for maps
2026	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
2027	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
…		…
2031	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
2032	$self->decay_objects;	2303	$self->decay_objects;
2033	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
2034	$self->update_buttons;	2305	$self->update_buttons;
2035	cf::cede_to_tick;	2306	cf::cede_to_tick;
2036	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
2037	cf::cede_to_tick;
2038	$self->activate;
2039	}	2308	}
2040		2309
2041	$self->{last_save} = $cf::RUNTIME;	2310	$self->{last_save} = $cf::RUNTIME;
2042	$self->last_access ($cf::RUNTIME);	2311	$self->last_access ($cf::RUNTIME);
2043
2044	$self->in_memory (cf::MAP_ACTIVE);
2045	}	2312	}
2046		2313
2047	$self->post_load;	2314	$self->post_load;
2048	}
2049		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
2050	sub customise_for {	2322	sub customise_for {
2051	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
2052		2324
2053	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
2054	if $self->per_player;	2326	if $self->per_player;
…		…
2057	# if $self->per_party;	2329	# if $self->per_party;
2058		2330
2059	$self	2331	$self
2060	}	2332	}
2061		2333
2062	# find and load all maps in the 3x3 area around a map
2063	sub load_neighbours {
2064	my ($map) = @_;
2065
2066	my @neigh; # diagonal neighbours
2067
2068	for (0 .. 3) {
2069	my $neigh = $map->tile_path ($_)
2070	or next;
2071	$neigh = find $neigh, $map
2072	or next;
2073	$neigh->load;
2074
2075	push @neigh,
2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2078	}
2079
2080	for (grep defined $_->[0], @neigh) {
2081	my ($path, $origin) = @$_;
2082	my $neigh = find $path, $origin
2083	or next;
2084	$neigh->load;
2085	}
2086	}
2087
2088	sub find_sync {	2334	sub find_sync {
2089	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
2090		2336
2091	cf::sync_job { find $path, $origin }	2337	# it's a bug to call this from the main context
		2338	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2339	if $Coro::current == $Coro::main;
		2340
		2341	find $path, $origin
2092	}	2342	}
2093		2343
2094	sub do_load_sync {	2344	sub do_load_sync {
2095	my ($map) = @_;	2345	my ($map) = @_;
2096		2346
		2347	# it's a bug to call this from the main context
2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2098	if $Coro::current == $Coro::main;	2349	if $Coro::current == $Coro::main;
2099		2350
2100	cf::sync_job { $map->load };	2351	$map->load;
2101	}	2352	}
2102		2353
2103	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
2104	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
2105		2356
2106	sub find_async {	2357	sub find_async {
2107	my ($path, $origin, $load) = @_;	2358	my ($path, $origin, $load) = @_;
2108		2359
2109	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
2110		2361
2111	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2363	return $map if !$load || $map->linkable;
2113	}	2364	}
2114		2365
2115	$MAP_PREFETCH{$path} |= $load;	2366	$MAP_PREFETCH{$path} |= $load;
2116		2367
2117	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
…		…
2131	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
2132		2383
2133	()	2384	()
2134	}	2385	}
2135		2386
		2387	# common code, used by both ->save and ->swapout
2136	sub save {	2388	sub _save {
2137	my ($self) = @_;	2389	my ($self) = @_;
2138
2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
2140		2390
2141	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
2142		2392
2143	return unless $self->dirty;	2393	return unless $self->dirty;
2144		2394
…		…
2164	} else {	2414	} else {
2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2166	}	2416	}
2167	}	2417	}
2168		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
2169	sub swap_out {	2427	sub swap_out {
2170	my ($self) = @_;	2428	my ($self) = @_;
2171		2429
2172	# save first because save cedes
2173	$self->save;
2174
2175	my $lock = cf::lock_acquire "map_data:$self->{path}";	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
2176		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
2177	return if $self->players;	2434	return if $self->players;
2178	return if $self->in_memory != cf::MAP_ACTIVE;	2435
		2436	# first deactivate the map and "unlink" it from the core
		2437	$self->deactivate;
		2438	$_->clear_links_to ($self) for values %cf::MAP;
		2439	$self->state (cf::MAP_SWAPPED);
		2440
		2441	# then atomically save
		2442	$self->_save;
		2443
		2444	# then free the map
		2445	$self->clear;
		2446	}
		2447
		2448	sub reset_at {
		2449	my ($self) = @_;
		2450
		2451	# TODO: safety, remove and allow resettable per-player maps
2179	return if $self->{deny_save};	2452	return 1e99 if $self->{deny_reset};
2180		2453
		2454	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2455	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2456
		2457	$time + $to
		2458	}
		2459
		2460	sub should_reset {
		2461	my ($self) = @_;
		2462
		2463	$self->reset_at <= $cf::RUNTIME
		2464	}
		2465
		2466	sub reset {
		2467	my ($self) = @_;
		2468
		2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2470
		2471	return if $self->players;
		2472
		2473	cf::trace "resetting map ", $self->path, "\n";
		2474
2181	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
		2476
		2477	# need to save uniques path
		2478	unless ($self->{deny_save}) {
		2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2480
		2481	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2482	if $uniq;
		2483	}
		2484
		2485	delete $cf::MAP{$self->path};
2182		2486
2183	$self->deactivate;	2487	$self->deactivate;
2184	$_->clear_links_to ($self) for values %cf::MAP;	2488	$_->clear_links_to ($self) for values %cf::MAP;
2185	$self->clear;	2489	$self->clear;
2186	}
2187
2188	sub reset_at {
2189	my ($self) = @_;
2190
2191	# TODO: safety, remove and allow resettable per-player maps
2192	return 1e99 if $self->{deny_reset};
2193
2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2195	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2196
2197	$time + $to
2198	}
2199
2200	sub should_reset {
2201	my ($self) = @_;
2202
2203	$self->reset_at <= $cf::RUNTIME
2204	}
2205
2206	sub reset {
2207	my ($self) = @_;
2208
2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
2210
2211	return if $self->players;
2212
2213	warn "resetting map ", $self->path;
2214
2215	$self->in_memory (cf::MAP_SWAPPED);
2216
2217	# need to save uniques path
2218	unless ($self->{deny_save}) {
2219	my $uniq = $self->uniq_path; utf8::encode $uniq;
2220
2221	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2222	if $uniq;
2223	}
2224
2225	delete $cf::MAP{$self->path};
2226
2227	$self->deactivate;
2228	$_->clear_links_to ($self) for values %cf::MAP;
2229	$self->clear;
2230		2490
2231	$self->unlink_save;	2491	$self->unlink_save;
2232	$self->destroy;	2492	$self->destroy;
2233	}	2493	}
2234		2494
…		…
2242		2502
2243	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
2244		2504
2245	$self->unlink_save;	2505	$self->unlink_save;
2246		2506
2247	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
2248	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
2249	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
2250	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2252		2512
…		…
2309	: normalise $_	2569	: normalise $_
2310	} @{ aio_readdir $UNIQUEDIR or [] }	2570	} @{ aio_readdir $UNIQUEDIR or [] }
2311	]	2571	]
2312	}	2572	}
2313		2573
		2574	=item cf::map::static_maps
		2575
		2576	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2577	file in the shared directory excluding F</styles> and F</editor>). May
		2578	block.
		2579
		2580	=cut
		2581
		2582	sub static_maps() {
		2583	my @dirs = "";
		2584	my @maps;
		2585
		2586	while (@dirs) {
		2587	my $dir = shift @dirs;
		2588
		2589	next if $dir eq "/styles" || $dir eq "/editor";
		2590
		2591	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2592	or return;
		2593
		2594	for (@$files) {
		2595	s/\.map$// or next;
		2596	utf8::decode $_;
		2597	push @maps, "$dir/$_";
		2598	}
		2599
		2600	push @dirs, map "$dir/$_", @$dirs;
		2601	}
		2602
		2603	\@maps
		2604	}
		2605
2314	=back	2606	=back
2315		2607
2316	=head3 cf::object	2608	=head3 cf::object
2317		2609
2318	=cut	2610	=cut
…		…
2383		2675
2384	our $SAY_CHANNEL = {	2676	our $SAY_CHANNEL = {
2385	id => "say",	2677	id => "say",
2386	title => "Map",	2678	title => "Map",
2387	reply => "say ",	2679	reply => "say ",
2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2680	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2389	};	2681	};
2390		2682
2391	our $CHAT_CHANNEL = {	2683	our $CHAT_CHANNEL = {
2392	id => "chat",	2684	id => "chat",
2393	title => "Chat",	2685	title => "Chat",
…		…
2450		2742
2451	Freezes the player and moves him/her to a special map (C<{link}>).	2743	Freezes the player and moves him/her to a special map (C<{link}>).
2452		2744
2453	The player should be reasonably safe there for short amounts of time (e.g.	2745	The player should be reasonably safe there for short amounts of time (e.g.
2454	for loading a map). You I<MUST> call C<leave_link> as soon as possible,	2746	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2455	though, as the palyer cannot control the character while it is on the link	2747	though, as the player cannot control the character while it is on the link
2456	map.	2748	map.
2457		2749
2458	Will never block.	2750	Will never block.
2459		2751
2460	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
…		…
2481	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
2482	my ($self) = @_;	2774	my ($self) = @_;
2483		2775
2484	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
2485		2777
		2778	++$self->{_link_recursion};
		2779
2486	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
2487		2781
2488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2489	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
2490		2784
2491	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2492	}	2786	}
2493		2787
2494	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
2495	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
2496		2790
…		…
2513	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
2514	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
2515		2809
2516	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
2517	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
2518	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
2519		2813
2520	$map->load;	2814	$map->load;
2521	$map->load_neighbours;
2522		2815
2523	return unless $self->contr->active;	2816	return unless $self->contr->active;
2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2525	$self->activate_recursive;
2526		2817
2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2528	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
2529	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
2530		2825
		2826	}
		2827
2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2532		2829
2533	Moves the player to the given map-path and coordinates by first freezing	2830	Moves the player to the given map-path and coordinates by first freezing
2534	her, loading and preparing them map, calling the provided $check callback	2831	her, loading and preparing them map, calling the provided $check callback
2535	that has to return the map if sucecssful, and then unfreezes the player on	2832	that has to return the map if sucecssful, and then unfreezes the player on
2536	the new (success) or old (failed) map position. In either case, $done will	2833	the new (success) or old (failed) map position. In either case, $done will
…		…
2543		2840
2544	our $GOTOGEN;	2841	our $GOTOGEN;
2545		2842
2546	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
2547	my ($self, $path, $x, $y, $check, $done) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
		2845
		2846	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2847	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2848	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2849	($path, $x, $y) = @$EMERGENCY_POSITION;
		2850	}
2548		2851
2549	# do generation counting so two concurrent goto's will be executed in-order	2852	# do generation counting so two concurrent goto's will be executed in-order
2550	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2551		2854
2552	$self->enter_link;	2855	$self->enter_link;
…		…
2572	($path, $x, $y) = (undef, undef, undef);	2875	($path, $x, $y) = (undef, undef, undef);
2573	}	2876	}
2574	}	2877	}
2575		2878
2576	my $map = eval {	2879	my $map = eval {
2577	my $map = defined $path ? cf::map::find $path : undef;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2578		2881
2579	if ($map) {	2882	if ($map) {
2580	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
2581	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
2582	} else {	2885	} else {
2583	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2584	}	2887	}
2585		2888
2586	$map	2889	$map
…		…
2594	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
2595	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
2596	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
2597	}	2900	}
2598		2901
2599	$done->() if $done;	2902	$done->($self) if $done;
2600	})->prio (1);	2903	})->prio (1);
2601	}	2904	}
2602		2905
2603	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2604		2907
…		…
2672	$Coro::current->{desc} = "enter_exit";	2975	$Coro::current->{desc} = "enter_exit";
2673		2976
2674	unless (eval {	2977	unless (eval {
2675	$self->deactivate_recursive; # just to be sure	2978	$self->deactivate_recursive; # just to be sure
2676		2979
2677	# random map handling
2678	{
2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
2680
2681	prepare_random_map $exit
2682	if $exit->slaying eq "/!";
2683	}
2684
2685	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2980	my $map = cf::map::normalise $exit->slaying, $exit->map;
2686	my $x = $exit->stats->hp;	2981	my $x = $exit->stats->hp;
2687	my $y = $exit->stats->sp;	2982	my $y = $exit->stats->sp;
		2983
		2984	# special map handling
		2985	my $slaying = $exit->slaying;
		2986
		2987	# special map handling
		2988	if ($slaying eq "/!") {
		2989	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2990
		2991	prepare_random_map $exit
		2992	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2993
		2994	$map = $exit->slaying;
		2995
		2996	} elsif ($slaying eq '!up') {
		2997	$map = $exit->map->tile_path (cf::TILE_UP);
		2998	$x = $exit->x;
		2999	$y = $exit->y;
		3000
		3001	} elsif ($slaying eq '!down') {
		3002	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3003	$x = $exit->x;
		3004	$y = $exit->y;
		3005	}
2688		3006
2689	$self->goto ($map, $x, $y);	3007	$self->goto ($map, $x, $y);
2690		3008
2691	# if exit is damned, update players death & WoR home-position	3009	# if exit is damned, update players death & WoR home-position
2692	$self->contr->savebed ($map, $x, $y)	3010	$self->contr->savebed ($map, $x, $y)
…		…
2697	$self->message ("Something went wrong deep within the deliantra server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2698	. "I'll try to bring you back to the map you were before. "	3016	. "I'll try to bring you back to the map you were before. "
2699	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2700	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2701		3019
2702	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2703	$self->leave_link;	3021	$self->leave_link;
2704	}	3022	}
2705	})->prio (1);	3023	})->prio (1);
2706	}	3024	}
2707		3025
…		…
2719	sub cf::client::send_drawinfo {	3037	sub cf::client::send_drawinfo {
2720	my ($self, $text, $flags) = @_;	3038	my ($self, $text, $flags) = @_;
2721		3039
2722	utf8::encode $text;	3040	utf8::encode $text;
2723	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3041	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3042	}
		3043
		3044	=item $client->send_big_packet ($pkt)
		3045
		3046	Like C<send_packet>, but tries to compress large packets, and fragments
		3047	them as required.
		3048
		3049	=cut
		3050
		3051	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3052
		3053	sub cf::client::send_big_packet {
		3054	my ($self, $pkt) = @_;
		3055
		3056	# try lzf for large packets
		3057	$pkt = "lzf " . Compress::LZF::compress $pkt
		3058	if 1024 <= length $pkt and $self->{can_lzf};
		3059
		3060	# split very large packets
		3061	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3062	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3063	$pkt = "frag";
		3064	}
		3065
		3066	$self->send_packet ($pkt);
2724	}	3067	}
2725		3068
2726	=item $client->send_msg ($channel, $msg, $color, [extra...])	3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
2727		3070
2728	Send a drawinfo or msg packet to the client, formatting the msg for the	3071	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2732		3075
2733	=cut	3076	=cut
2734		3077
2735	# non-persistent channels (usually the info channel)	3078	# non-persistent channels (usually the info channel)
2736	our %CHANNEL = (	3079	our %CHANNEL = (
		3080	"c/motd" => {
		3081	id => "infobox",
		3082	title => "MOTD",
		3083	reply => undef,
		3084	tooltip => "The message of the day",
		3085	},
2737	"c/identify" => {	3086	"c/identify" => {
2738	id => "infobox",	3087	id => "infobox",
2739	title => "Identify",	3088	title => "Identify",
2740	reply => undef,	3089	reply => undef,
2741	tooltip => "Items recently identified",	3090	tooltip => "Items recently identified",
…		…
2743	"c/examine" => {	3092	"c/examine" => {
2744	id => "infobox",	3093	id => "infobox",
2745	title => "Examine",	3094	title => "Examine",
2746	reply => undef,	3095	reply => undef,
2747	tooltip => "Signs and other items you examined",	3096	tooltip => "Signs and other items you examined",
		3097	},
		3098	"c/shopinfo" => {
		3099	id => "infobox",
		3100	title => "Shop Info",
		3101	reply => undef,
		3102	tooltip => "What your bargaining skill tells you about the shop",
2748	},	3103	},
2749	"c/book" => {	3104	"c/book" => {
2750	id => "infobox",	3105	id => "infobox",
2751	title => "Book",	3106	title => "Book",
2752	reply => undef,	3107	reply => undef,
…		…
2768	id => "infobox",	3123	id => "infobox",
2769	title => "Body Parts",	3124	title => "Body Parts",
2770	reply => undef,	3125	reply => undef,
2771	tooltip => "Shows which body parts you posess and are available",	3126	tooltip => "Shows which body parts you posess and are available",
2772	},	3127	},
		3128	"c/statistics" => {
		3129	id => "infobox",
		3130	title => "Statistics",
		3131	reply => undef,
		3132	tooltip => "Shows your primary statistics",
		3133	},
		3134	"c/skills" => {
		3135	id => "infobox",
		3136	title => "Skills",
		3137	reply => undef,
		3138	tooltip => "Shows your experience per skill and item power",
		3139	},
		3140	"c/shopitems" => {
		3141	id => "infobox",
		3142	title => "Shop Items",
		3143	reply => undef,
		3144	tooltip => "Shows the items currently for sale in this shop",
		3145	},
		3146	"c/resistances" => {
		3147	id => "infobox",
		3148	title => "Resistances",
		3149	reply => undef,
		3150	tooltip => "Shows your resistances",
		3151	},
		3152	"c/pets" => {
		3153	id => "infobox",
		3154	title => "Pets",
		3155	reply => undef,
		3156	tooltip => "Shows information abotu your pets/a specific pet",
		3157	},
		3158	"c/perceiveself" => {
		3159	id => "infobox",
		3160	title => "Perceive Self",
		3161	reply => undef,
		3162	tooltip => "You gained detailed knowledge about yourself",
		3163	},
2773	"c/uptime" => {	3164	"c/uptime" => {
2774	id => "infobox",	3165	id => "infobox",
2775	title => "Uptime",	3166	title => "Uptime",
2776	reply => undef,	3167	reply => undef,
2777	tooltip => "How long the server has been running since last restart",	3168	tooltip => "How long the server has been running since last restart",
…		…
2786	id => "party",	3177	id => "party",
2787	title => "Party",	3178	title => "Party",
2788	reply => "gsay ",	3179	reply => "gsay ",
2789	tooltip => "Messages and chat related to your party",	3180	tooltip => "Messages and chat related to your party",
2790	},	3181	},
		3182	"c/death" => {
		3183	id => "death",
		3184	title => "Death",
		3185	reply => undef,
		3186	tooltip => "Reason for and more info about your most recent death",
		3187	},
		3188	"c/say" => $SAY_CHANNEL,
		3189	"c/chat" => $CHAT_CHANNEL,
2791	);	3190	);
2792		3191
2793	sub cf::client::send_msg {	3192	sub cf::client::send_msg {
2794	my ($self, $channel, $msg, $color, @extra) = @_;	3193	my ($self, $channel, $msg, $color, @extra) = @_;
2795		3194
…		…
2800		3199
2801	# check predefined channels, for the benefit of C	3200	# check predefined channels, for the benefit of C
2802	if ($CHANNEL{$channel}) {	3201	if ($CHANNEL{$channel}) {
2803	$channel = $CHANNEL{$channel};	3202	$channel = $CHANNEL{$channel};
2804		3203
2805	$self->ext_msg (channel_info => $channel)	3204	$self->ext_msg (channel_info => $channel);
2806	if $self->can_msg;
2807
2808	$channel = $channel->{id};	3205	$channel = $channel->{id};
2809		3206
2810	} elsif (ref $channel) {	3207	} elsif (ref $channel) {
2811	# send meta info to client, if not yet sent	3208	# send meta info to client, if not yet sent
2812	unless (exists $self->{channel}{$channel->{id}}) {	3209	unless (exists $self->{channel}{$channel->{id}}) {
2813	$self->{channel}{$channel->{id}} = $channel;	3210	$self->{channel}{$channel->{id}} = $channel;
2814	$self->ext_msg (channel_info => $channel)	3211	$self->ext_msg (channel_info => $channel);
2815	if $self->can_msg;
2816	}	3212	}
2817		3213
2818	$channel = $channel->{id};	3214	$channel = $channel->{id};
2819	}	3215	}
2820		3216
2821	return unless @extra || length $msg;	3217	return unless @extra || length $msg;
2822		3218
2823	if ($self->can_msg) {
2824	# default colour, mask it out	3219	# default colour, mask it out
2825	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2826	if $color & cf::NDI_DEF;	3221	if $color & cf::NDI_DEF;
2827		3222
2828	my $pkt = "msg "	3223	my $pkt = "msg "
2829	. $self->{json_coder}->encode (	3224	. $self->{json_coder}->encode (
2830	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2831	);	3226	);
2832		3227
2833	# try lzf for large packets
2834	$pkt = "lzf " . Compress::LZF::compress $pkt
2835	if 1024 <= length $pkt and $self->{can_lzf};
2836
2837	# split very large packets
2838	if (8192 < length $pkt and $self->{can_lzf}) {
2839	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2840	$pkt = "frag";
2841	}
2842
2843	$self->send_packet ($pkt);	3228	$self->send_big_packet ($pkt);
2844	} else {
2845	if ($color >= 0) {
2846	# replace some tags by gcfclient-compatible ones
2847	for ($msg) {
2848	1 while
2849	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2850	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2851	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2852	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2853	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2854	}
2855
2856	$color &= cf::NDI_COLOR_MASK;
2857
2858	utf8::encode $msg;
2859
2860	if (0 && $msg =~ /\[/) {
2861	# COMMAND/INFO
2862	$self->send_packet ("drawextinfo $color 10 8 $msg")
2863	} else {
2864	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2865	$self->send_packet ("drawinfo $color $msg")
2866	}
2867	}
2868	}
2869	}	3229	}
2870		3230
2871	=item $client->ext_msg ($type, @msg)	3231	=item $client->ext_msg ($type, @msg)
2872		3232
2873	Sends an ext event to the client.	3233	Sends an ext event to the client.
…		…
2876		3236
2877	sub cf::client::ext_msg($$@) {	3237	sub cf::client::ext_msg($$@) {
2878	my ($self, $type, @msg) = @_;	3238	my ($self, $type, @msg) = @_;
2879		3239
2880	if ($self->extcmd == 2) {	3240	if ($self->extcmd == 2) {
2881	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3241	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2882	} elsif ($self->extcmd == 1) { # TODO: remove	3242	} elsif ($self->extcmd == 1) { # TODO: remove
2883	push @msg, msgtype => "event_$type";	3243	push @msg, msgtype => "event_$type";
2884	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3244	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2885	}	3245	}
2886	}	3246	}
2887		3247
2888	=item $client->ext_reply ($msgid, @msg)	3248	=item $client->ext_reply ($msgid, @msg)
2889		3249
…		…
2892	=cut	3252	=cut
2893		3253
2894	sub cf::client::ext_reply($$@) {	3254	sub cf::client::ext_reply($$@) {
2895	my ($self, $id, @msg) = @_;	3255	my ($self, $id, @msg) = @_;
2896		3256
2897	if ($self->extcmd == 2) {	3257	return unless $self->extcmd == 2;
		3258
2898	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3259	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2899	} elsif ($self->extcmd == 1) {
2900	#TODO: version 1, remove
2901	unshift @msg, msgtype => "reply", msgid => $id;
2902	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2903	}
2904	}	3260	}
2905		3261
2906	=item $success = $client->query ($flags, "text", \&cb)	3262	=item $success = $client->query ($flags, "text", \&cb)
2907		3263
2908	Queues a query to the client, calling the given callback with	3264	Queues a query to the client, calling the given callback with
…		…
2963	my ($ns, $buf) = @_;	3319	my ($ns, $buf) = @_;
2964		3320
2965	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3321	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2966		3322
2967	if (ref $msg) {	3323	if (ref $msg) {
2968	my ($type, $reply, @payload) =	3324	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2969	"ARRAY" eq ref $msg
2970	? @$msg
2971	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2972		3325
2973	my @reply;	3326	my @reply;
2974		3327
2975	if (my $cb = $EXTICMD{$type}) {	3328	if (my $cb = $EXTICMD{$type}) {
2976	@reply = $cb->($ns, @payload);	3329	@reply = $cb->($ns, @payload);
…		…
2978		3331
2979	$ns->ext_reply ($reply, @reply)	3332	$ns->ext_reply ($reply, @reply)
2980	if $reply;	3333	if $reply;
2981		3334
2982	} else {	3335	} else {
2983	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3336	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2984	}	3337	}
2985		3338
2986	cf::override;	3339	cf::override;
2987	},	3340	},
2988	);	3341	);
…		…
3008		3361
3009	$coro	3362	$coro
3010	}	3363	}
3011		3364
3012	cf::client->attach (	3365	cf::client->attach (
3013	on_destroy => sub {	3366	on_client_destroy => sub {
3014	my ($ns) = @_;	3367	my ($ns) = @_;
3015		3368
3016	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3369	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3017	},	3370	},
3018	);	3371	);
…		…
3034	our $safe_hole = new Safe::Hole;	3387	our $safe_hole = new Safe::Hole;
3035		3388
3036	$SIG{FPE} = 'IGNORE';	3389	$SIG{FPE} = 'IGNORE';
3037		3390
3038	$safe->permit_only (Opcode::opset qw(	3391	$safe->permit_only (Opcode::opset qw(
3039	:base_core :base_mem :base_orig :base_math	3392	:base_core :base_mem :base_orig :base_math :base_loop
3040	grepstart grepwhile mapstart mapwhile	3393	grepstart grepwhile mapstart mapwhile
3041	sort time	3394	sort time
3042	));	3395	));
3043		3396
3044	# here we export the classes and methods available to script code	3397	# here we export the classes and methods available to script code
…		…
3048	The following functions and methods are available within a safe environment:	3401	The following functions and methods are available within a safe environment:
3049		3402
3050	cf::object	3403	cf::object
3051	contr pay_amount pay_player map x y force_find force_add destroy	3404	contr pay_amount pay_player map x y force_find force_add destroy
3052	insert remove name archname title slaying race decrease split	3405	insert remove name archname title slaying race decrease split
		3406	value
3053		3407
3054	cf::object::player	3408	cf::object::player
3055	player	3409	player
3056		3410
3057	cf::player	3411	cf::player
…		…
3063	=cut	3417	=cut
3064		3418
3065	for (	3419	for (
3066	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3420	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3067	insert remove inv nrof name archname title slaying race	3421	insert remove inv nrof name archname title slaying race
3068	decrease split destroy change_exp)],	3422	decrease split destroy change_exp value msg lore send_msg)],
3069	["cf::object::player" => qw(player)],	3423	["cf::object::player" => qw(player)],
3070	["cf::player" => qw(peaceful)],	3424	["cf::player" => qw(peaceful send_msg)],
3071	["cf::map" => qw(trigger)],	3425	["cf::map" => qw(trigger)],
3072	) {	3426	) {
3073	no strict 'refs';
3074	my ($pkg, @funs) = @$_;	3427	my ($pkg, @funs) = @$_;
3075	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3428	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3076	for @funs;	3429	for @funs;
3077	}	3430	}
3078		3431
…		…
3093		3446
3094	my $qcode = $code;	3447	my $qcode = $code;
3095	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3448	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3096	$qcode =~ s/\n/\\n/g;	3449	$qcode =~ s/\n/\\n/g;
3097		3450
		3451	%vars = (_dummy => 0) unless %vars;
		3452
		3453	my @res;
3098	local $_;	3454	local $_;
3099	local @safe::cf::_safe_eval_args = values %vars;
3100		3455
3101	my $eval =	3456	my $eval =
3102	"do {\n"	3457	"do {\n"
3103	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3458	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3104	. "#line 0 \"{$qcode}\"\n"	3459	. "#line 0 \"{$qcode}\"\n"
3105	. $code	3460	. $code
3106	. "\n}"	3461	. "\n}"
3107	;	3462	;
3108		3463
		3464	if ($CFG{safe_eval}) {
3109	sub_generation_inc;	3465	sub_generation_inc;
		3466	local @safe::cf::_safe_eval_args = values %vars;
3110	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3467	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3111	sub_generation_inc;	3468	sub_generation_inc;
		3469	} else {
		3470	local @cf::_safe_eval_args = values %vars;
		3471	@res = wantarray ? eval eval : scalar eval $eval;
		3472	}
3112		3473
3113	if ($@) {	3474	if ($@) {
3114	warn "$@";	3475	warn "$@",
3115	warn "while executing safe code '$code'\n";	3476	"while executing safe code '$code'\n",
3116	warn "with arguments " . (join " ", %vars) . "\n";	3477	"with arguments " . (join " ", %vars) . "\n";
3117	}	3478	}
3118		3479
3119	wantarray ? @res : $res[0]	3480	wantarray ? @res : $res[0]
3120	}	3481	}
3121		3482
…		…
3135	=cut	3496	=cut
3136		3497
3137	sub register_script_function {	3498	sub register_script_function {
3138	my ($fun, $cb) = @_;	3499	my ($fun, $cb) = @_;
3139		3500
3140	no strict 'refs';	3501	$fun = "safe::$fun" if $CFG{safe_eval};
3141	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3502	*$fun = $safe_hole->wrap ($cb);
3142	}	3503	}
3143		3504
3144	=back	3505	=back
3145		3506
3146	=cut	3507	=cut
3147		3508
3148	#############################################################################	3509	#############################################################################
3149	# the server's init and main functions	3510	# the server's init and main functions
		3511
		3512	our %FACEHASH; # hash => idx, #d# HACK for http server
3150		3513
3151	sub load_facedata($) {	3514	sub load_facedata($) {
3152	my ($path) = @_;	3515	my ($path) = @_;
3153		3516
3154	# HACK to clear player env face cache, we need some signal framework	3517	# HACK to clear player env face cache, we need some signal framework
3155	# for this (global event?)	3518	# for this (global event?)
3156	%ext::player_env::MUSIC_FACE_CACHE = ();	3519	%ext::player_env::MUSIC_FACE_CACHE = ();
3157		3520
3158	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3521	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3159		3522
3160	warn "loading facedata from $path\n";	3523	trace "loading facedata from $path\n";
3161		3524
3162	my $facedata;	3525	my $facedata = decode_storable load_file $path;
3163	0 < aio_load $path, $facedata
3164	or die "$path: $!";
3165
3166	$facedata = Coro::Storable::thaw $facedata;
3167		3526
3168	$facedata->{version} == 2	3527	$facedata->{version} == 2
3169	or cf::cleanup "$path: version mismatch, cannot proceed.";	3528	or cf::cleanup "$path: version mismatch, cannot proceed.";
3170		3529
3171	# patch in the exptable	3530	# patch in the exptable
		3531	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3172	$facedata->{resource}{"res/exp_table"} = {	3532	$facedata->{resource}{"res/exp_table"} = {
3173	type => FT_RSRC,	3533	type => FT_RSRC,
3174	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3534	data => $exp_table,
		3535	hash => (Digest::MD5::md5 $exp_table),
3175	};	3536	};
3176	cf::cede_to_tick;	3537	cf::cede_to_tick;
3177		3538
3178	{	3539	{
3179	my $faces = $facedata->{faceinfo};	3540	my $faces = $facedata->{faceinfo};
3180		3541
3181	while (my ($face, $info) = each %$faces) {	3542	for my $face (sort keys %$faces) {
		3543	my $info = $faces->{$face};
3182	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3544	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3183		3545
3184	cf::face::set_visibility $idx, $info->{visibility};	3546	cf::face::set_visibility $idx, $info->{visibility};
3185	cf::face::set_magicmap $idx, $info->{magicmap};	3547	cf::face::set_magicmap $idx, $info->{magicmap};
3186	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3548	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3187	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3549	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3550	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3551	$FACEHASH{$info->{hash64}} = $idx;#d#
3188		3552
3189	cf::cede_to_tick;	3553	cf::cede_to_tick;
3190	}	3554	}
3191		3555
3192	while (my ($face, $info) = each %$faces) {	3556	while (my ($face, $info) = each %$faces) {
…		…
3197		3561
3198	if (my $smooth = cf::face::find $info->{smooth}) {	3562	if (my $smooth = cf::face::find $info->{smooth}) {
3199	cf::face::set_smooth $idx, $smooth;	3563	cf::face::set_smooth $idx, $smooth;
3200	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3564	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3201	} else {	3565	} else {
3202	warn "smooth face '$info->{smooth}' not found for face '$face'";	3566	error "smooth face '$info->{smooth}' not found for face '$face'";
3203	}	3567	}
3204		3568
3205	cf::cede_to_tick;	3569	cf::cede_to_tick;
3206	}	3570	}
3207	}	3571	}
…		…
3216		3580
3217	cf::anim::invalidate_all; # d'oh	3581	cf::anim::invalidate_all; # d'oh
3218	}	3582	}
3219		3583
3220	{	3584	{
3221	# TODO: for gcfclient pleasure, we should give resources
3222	# that gcfclient doesn't grok a >10000 face index.
3223	my $res = $facedata->{resource};	3585	my $res = $facedata->{resource};
3224		3586
3225	while (my ($name, $info) = each %$res) {	3587	while (my ($name, $info) = each %$res) {
3226	if (defined $info->{type}) {	3588	if (defined (my $type = $info->{type})) {
		3589	# TODO: different hash - must free and use new index, or cache ixface data queue
3227	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3590	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3228	my $data;
3229		3591
3230	if ($info->{type} & 1) {	3592	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3231	# prepend meta info
3232
3233	my $meta = $enc->encode ({
3234	name => $name,
3235	%{ $info->{meta} || {} },
3236	});
3237
3238	$data = pack "(w/a*)*", $meta, $info->{data};
3239	} else {
3240	$data = $info->{data};
3241	}
3242
3243	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3244	cf::face::set_type $idx, $info->{type};	3593	cf::face::set_type $idx, $type;
		3594	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3595	$FACEHASH{$info->{hash}} = $idx;#d#
3245	} else {	3596	} else {
3246	$RESOURCE{$name} = $info;	3597	# $RESOURCE{$name} = $info; # unused
3247	}	3598	}
3248		3599
3249	cf::cede_to_tick;	3600	cf::cede_to_tick;
3250	}	3601	}
3251	}	3602	}
3252		3603
3253	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3604	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3254		3605
3255	1	3606	1
3256	}	3607	}
3257
3258	cf::global->attach (on_resource_update => sub {
3259	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3260	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3261
3262	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3263	my $sound = $soundconf->{compat}[$_]
3264	or next;
3265
3266	my $face = cf::face::find "sound/$sound->[1]";
3267	cf::sound::set $sound->[0] => $face;
3268	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3269	}
3270
3271	while (my ($k, $v) = each %{$soundconf->{event}}) {
3272	my $face = cf::face::find "sound/$v";
3273	cf::sound::set $k => $face;
3274	}
3275	}
3276	});
3277		3608
3278	register_exticmd fx_want => sub {	3609	register_exticmd fx_want => sub {
3279	my ($ns, $want) = @_;	3610	my ($ns, $want) = @_;
3280		3611
3281	while (my ($k, $v) = each %$want) {	3612	while (my ($k, $v) = each %$want) {
…		…
3320	sub reload_treasures {	3651	sub reload_treasures {
3321	load_resource_file "$DATADIR/treasures"	3652	load_resource_file "$DATADIR/treasures"
3322	or die "unable to load treasurelists\n";	3653	or die "unable to load treasurelists\n";
3323	}	3654	}
3324		3655
		3656	sub reload_sound {
		3657	trace "loading sound config from $DATADIR/sound\n";
		3658
		3659	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3660
		3661	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3662	my $sound = $soundconf->{compat}[$_]
		3663	or next;
		3664
		3665	my $face = cf::face::find "sound/$sound->[1]";
		3666	cf::sound::set $sound->[0] => $face;
		3667	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3668	}
		3669
		3670	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3671	my $face = cf::face::find "sound/$v";
		3672	cf::sound::set $k => $face;
		3673	}
		3674	}
		3675
3325	sub reload_resources {	3676	sub reload_resources {
3326	warn "reloading resource files...\n";	3677	trace "reloading resource files...\n";
3327		3678
		3679	reload_exp_table;
		3680	reload_materials;
3328	reload_facedata;	3681	reload_facedata;
		3682	reload_sound;
3329	reload_archetypes;	3683	reload_archetypes;
3330	reload_regions;	3684	reload_regions;
3331	reload_treasures;	3685	reload_treasures;
3332		3686
3333	warn "finished reloading resource files\n";	3687	trace "finished reloading resource files\n";
3334	}
3335
3336	sub init {
3337	my $guard = freeze_mainloop;
3338
3339	evthread_start IO::AIO::poll_fileno;
3340
3341	reload_resources;
3342	}	3688	}
3343		3689
3344	sub reload_config {	3690	sub reload_config {
3345	open my $fh, "<:utf8", "$CONFDIR/config"	3691	trace "reloading config file...\n";
3346	or return;
3347		3692
3348	local $/;	3693	my $config = load_file "$CONFDIR/config";
3349	*CFG = YAML::Load <$fh>;	3694	utf8::decode $config;
		3695	*CFG = decode_yaml $config;
3350		3696
3351	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3697	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3352		3698
3353	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3699	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3354	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3700	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3355		3701
3356	if (exists $CFG{mlockall}) {	3702	if (exists $CFG{mlockall}) {
…		…
3379		3725
3380	seek $fh, 0, 0;	3726	seek $fh, 0, 0;
3381	print $fh $$;	3727	print $fh $$;
3382	}	3728	}
3383		3729
		3730	sub main_loop {
		3731	trace "EV::loop starting\n";
		3732	if (1) {
		3733	EV::loop;
		3734	}
		3735	trace "EV::loop returned\n";
		3736	goto &main_loop unless $REALLY_UNLOOP;
		3737	}
		3738
3384	sub main {	3739	sub main {
3385	atomic;	3740	cf::init_globals; # initialise logging
		3741
		3742	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3743	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3744	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3745	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3746
		3747	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3386		3748
3387	# we must not ever block the main coroutine	3749	# we must not ever block the main coroutine
3388	local $Coro::idle = sub {	3750	$Coro::idle = sub {
3389	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3751	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3390	(async {	3752	(async {
3391	$Coro::current->{desc} = "IDLE BUG HANDLER";	3753	$Coro::current->{desc} = "IDLE BUG HANDLER";
3392	EV::loop EV::LOOP_ONESHOT;	3754	EV::loop EV::LOOP_ONESHOT;
3393	})->prio (Coro::PRIO_MAX);	3755	})->prio (Coro::PRIO_MAX);
3394	};	3756	};
3395		3757
3396	{	3758	evthread_start IO::AIO::poll_fileno;
3397	my $guard = freeze_mainloop;	3759
		3760	cf::sync_job {
		3761	cf::incloader::init ();
		3762
		3763	cf::init_anim;
		3764	cf::init_attackmess;
		3765	cf::init_dynamic;
		3766
		3767	cf::load_settings;
		3768
		3769	reload_resources;
3398	reload_config;	3770	reload_config;
3399	db_init;	3771	db_init;
		3772
		3773	cf::init_uuid;
		3774	cf::init_signals;
		3775	cf::init_skills;
		3776
		3777	cf::init_beforeplay;
		3778
		3779	atomic;
		3780
3400	load_extensions;	3781	load_extensions;
3401		3782
3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3403	}
3404
3405	utime time, time, $RUNTIMEFILE;	3783	utime time, time, $RUNTIMEFILE;
3406		3784
3407	# no (long-running) fork's whatsoever before this point(!)	3785	# no (long-running) fork's whatsoever before this point(!)
		3786	use POSIX ();
3408	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};	3787	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3409		3788
3410	EV::loop;	3789	cf::_post_init 0;
		3790	};
		3791
		3792	cf::object::thawer::errors_are_fatal 0;
		3793	info "parse errors in files are no longer fatal from this point on.\n";
		3794
		3795	AE::postpone {
		3796	undef &main; # free gobs of memory :)
		3797	};
		3798
		3799	goto &main_loop;
3411	}	3800	}
3412		3801
3413	#############################################################################	3802	#############################################################################
3414	# initialisation and cleanup	3803	# initialisation and cleanup
3415		3804
3416	# install some emergency cleanup handlers	3805	# install some emergency cleanup handlers
3417	BEGIN {	3806	BEGIN {
3418	our %SIGWATCHER = ();	3807	our %SIGWATCHER = ();
3419	for my $signal (qw(INT HUP TERM)) {	3808	for my $signal (qw(INT HUP TERM)) {
3420	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3809	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3421	cf::cleanup "SIG$signal";	3810	cf::cleanup "SIG$signal";
3422	};	3811	};
3423	}	3812	}
3424	}	3813	}
3425		3814
3426	sub write_runtime_sync {	3815	sub write_runtime_sync {
		3816	my $t0 = AE::time;
		3817
3427	# first touch the runtime file to show we are still running:	3818	# first touch the runtime file to show we are still running:
3428	# the fsync below can take a very very long time.	3819	# the fsync below can take a very very long time.
3429		3820
3430	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;	3821	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3431		3822
3432	my $guard = cf::lock_acquire "write_runtime";	3823	my $guard = cf::lock_acquire "write_runtime";
3433		3824
3434	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644	3825	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3435	or return;	3826	or return;
3436		3827
3437	my $value = $cf::RUNTIME + 90 + 10;	3828	my $value = $cf::RUNTIME + 90 + 10;
3438	# 10 is the runtime save interval, for a monotonic clock	3829	# 10 is the runtime save interval, for a monotonic clock
3439	# 60 allows for the watchdog to kill the server.	3830	# 60 allows for the watchdog to kill the server.
…		…
3452	or return;	3843	or return;
3453		3844
3454	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE	3845	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3455	and return;	3846	and return;
3456		3847
3457	warn "runtime file written.\n";	3848	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3458		3849
3459	1	3850	1
3460	}	3851	}
3461		3852
3462	our $uuid_lock;	3853	our $uuid_lock;
…		…
3471	my $uuid = "$LOCALDIR/uuid";	3862	my $uuid = "$LOCALDIR/uuid";
3472		3863
3473	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3864	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3474	or return;	3865	or return;
3475		3866
3476	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3867	my $value = uuid_seq uuid_cur;
		3868
		3869	unless ($value) {
		3870	info "cowardly refusing to write zero uuid value!\n";
		3871	return;
		3872	}
		3873
		3874	my $value = uuid_str $value + $uuid_skip;
3477	$uuid_skip = 0;	3875	$uuid_skip = 0;
3478		3876
3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3877	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3480	and return;	3878	and return;
3481		3879
…		…
3487	or return;	3885	or return;
3488		3886
3489	aio_rename "$uuid~", $uuid	3887	aio_rename "$uuid~", $uuid
3490	and return;	3888	and return;
3491		3889
3492	warn "uuid file written ($value).\n";	3890	trace "uuid file written ($value).\n";
3493		3891
3494	1	3892	1
3495		3893
3496	}	3894	}
3497		3895
…		…
3503	}	3901	}
3504		3902
3505	sub emergency_save() {	3903	sub emergency_save() {
3506	my $freeze_guard = cf::freeze_mainloop;	3904	my $freeze_guard = cf::freeze_mainloop;
3507		3905
3508	warn "enter emergency perl save\n";	3906	info "emergency_perl_save: enter\n";
		3907
		3908	# this is a trade-off: we want to be very quick here, so
		3909	# save all maps without fsync, and later call a global sync
		3910	# (which in turn might be very very slow)
		3911	local $USE_FSYNC = 0;
3509		3912
3510	cf::sync_job {	3913	cf::sync_job {
		3914	cf::write_runtime_sync; # external watchdog should not bark
		3915
3511	# use a peculiar iteration method to avoid tripping on perl	3916	# use a peculiar iteration method to avoid tripping on perl
3512	# refcount bugs in for. also avoids problems with players	3917	# refcount bugs in for. also avoids problems with players
3513	# and maps saved/destroyed asynchronously.	3918	# and maps saved/destroyed asynchronously.
3514	warn "begin emergency player save\n";	3919	info "emergency_perl_save: begin player save\n";
3515	for my $login (keys %cf::PLAYER) {	3920	for my $login (keys %cf::PLAYER) {
3516	my $pl = $cf::PLAYER{$login} or next;	3921	my $pl = $cf::PLAYER{$login} or next;
3517	$pl->valid or next;	3922	$pl->valid or next;
3518	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3923	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3519	$pl->save;	3924	$pl->save;
3520	}	3925	}
3521	warn "end emergency player save\n";	3926	info "emergency_perl_save: end player save\n";
3522		3927
3523	warn "begin emergency map save\n";	3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	info "emergency_perl_save: begin map save\n";
3524	for my $path (keys %cf::MAP) {	3931	for my $path (keys %cf::MAP) {
3525	my $map = $cf::MAP{$path} or next;	3932	my $map = $cf::MAP{$path} or next;
3526	$map->valid or next;	3933	$map->valid or next;
3527	$map->save;	3934	$map->save;
3528	}	3935	}
3529	warn "end emergency map save\n";	3936	info "emergency_perl_save: end map save\n";
3530		3937
3531	warn "begin emergency database checkpoint\n";	3938	cf::write_runtime_sync; # external watchdog should not bark
		3939
		3940	info "emergency_perl_save: begin database checkpoint\n";
3532	BDB::db_env_txn_checkpoint $DB_ENV;	3941	BDB::db_env_txn_checkpoint $DB_ENV;
3533	warn "end emergency database checkpoint\n";	3942	info "emergency_perl_save: end database checkpoint\n";
3534		3943
3535	warn "begin write uuid\n";	3944	info "emergency_perl_save: begin write uuid\n";
3536	write_uuid_sync 1;	3945	write_uuid_sync 1;
3537	warn "end write uuid\n";	3946	info "emergency_perl_save: end write uuid\n";
		3947
		3948	cf::write_runtime_sync; # external watchdog should not bark
		3949
		3950	trace "emergency_perl_save: syncing database to disk";
		3951	BDB::db_env_txn_checkpoint $DB_ENV;
		3952
		3953	info "emergency_perl_save: starting sync\n";
		3954	IO::AIO::aio_sync sub {
		3955	info "emergency_perl_save: finished sync\n";
		3956	};
		3957
		3958	cf::write_runtime_sync; # external watchdog should not bark
		3959
		3960	trace "emergency_perl_save: flushing outstanding aio requests";
		3961	while (IO::AIO::nreqs || BDB::nreqs) {
		3962	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3963	}
		3964
		3965	cf::write_runtime_sync; # external watchdog should not bark
3538	};	3966	};
3539		3967
3540	warn "leave emergency perl save\n";	3968	info "emergency_perl_save: leave\n";
3541	}	3969	}
3542		3970
3543	sub post_cleanup {	3971	sub post_cleanup {
3544	my ($make_core) = @_;	3972	my ($make_core) = @_;
3545		3973
		3974	IO::AIO::flush;
		3975
3546	warn Carp::longmess "post_cleanup backtrace"	3976	error Carp::longmess "post_cleanup backtrace"
3547	if $make_core;	3977	if $make_core;
3548		3978
3549	my $fh = pidfile;	3979	my $fh = pidfile;
3550	unlink $PIDFILE if <$fh> == $$;	3980	unlink $PIDFILE if <$fh> == $$;
3551	}	3981	}
…		…
3571	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	4001	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3572	for my $name (keys %$leaf_symtab) {	4002	for my $name (keys %$leaf_symtab) {
3573	_gv_clear *{"$pkg$name"};	4003	_gv_clear *{"$pkg$name"};
3574	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	4004	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3575	}	4005	}
3576	warn "cleared package #$pkg\n";#d#
3577	}	4006	}
3578
3579	our $RELOAD; # how many times to reload
3580		4007
3581	sub do_reload_perl() {	4008	sub do_reload_perl() {
3582	# can/must only be called in main	4009	# can/must only be called in main
3583	if ($Coro::current != $Coro::main) {	4010	unless (in_main) {
3584	warn "can only reload from main coroutine";	4011	error "can only reload from main coroutine";
3585	return;	4012	return;
3586	}	4013	}
3587		4014
3588	return if $RELOAD++;	4015	return if $RELOAD++;
3589		4016
		4017	my $t1 = AE::time;
		4018
3590	while ($RELOAD) {	4019	while ($RELOAD) {
3591	warn "reloading...";	4020	cf::get_slot 0.1, -1, "reload_perl";
		4021	info "perl_reload: reloading...";
3592		4022
3593	warn "entering sync_job";	4023	trace "perl_reload: entering sync_job";
3594		4024
3595	cf::sync_job {	4025	cf::sync_job {
3596	cf::write_runtime_sync; # external watchdog should not bark
3597	cf::emergency_save;	4026	#cf::emergency_save;
3598	cf::write_runtime_sync; # external watchdog should not bark
3599		4027
3600	warn "syncing database to disk";
3601	BDB::db_env_txn_checkpoint $DB_ENV;
3602
3603	# if anything goes wrong in here, we should simply crash as we already saved
3604
3605	warn "flushing outstanding aio requests";
3606	while (IO::AIO::nreqs || BDB::nreqs) {
3607	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3608	}
3609
3610	warn "cancelling all extension coros";	4028	trace "perl_reload: cancelling all extension coros";
3611	$_->cancel for values %EXT_CORO;	4029	$_->cancel for values %EXT_CORO;
3612	%EXT_CORO = ();	4030	%EXT_CORO = ();
3613		4031
3614	warn "removing commands";	4032	trace "perl_reload: removing commands";
3615	%COMMAND = ();	4033	%COMMAND = ();
3616		4034
3617	warn "removing ext/exti commands";	4035	trace "perl_reload: removing ext/exti commands";
3618	%EXTCMD = ();	4036	%EXTCMD = ();
3619	%EXTICMD = ();	4037	%EXTICMD = ();
3620		4038
3621	warn "unloading/nuking all extensions";	4039	trace "perl_reload: unloading/nuking all extensions";
3622	for my $pkg (@EXTS) {	4040	for my $pkg (@EXTS) {
3623	warn "... unloading $pkg";	4041	trace "... unloading $pkg";
3624		4042
3625	if (my $cb = $pkg->can ("unload")) {	4043	if (my $cb = $pkg->can ("unload")) {
3626	eval {	4044	eval {
3627	$cb->($pkg);	4045	$cb->($pkg);
3628	1	4046	1
3629	} or warn "$pkg unloaded, but with errors: $@";	4047	} or error "$pkg unloaded, but with errors: $@";
3630	}	4048	}
3631		4049
3632	warn "... clearing $pkg";	4050	trace "... clearing $pkg";
3633	clear_package $pkg;	4051	clear_package $pkg;
3634	}	4052	}
3635		4053
3636	warn "unloading all perl modules loaded from $LIBDIR";	4054	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3637	while (my ($k, $v) = each %INC) {	4055	while (my ($k, $v) = each %INC) {
3638	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4056	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3639		4057
3640	warn "... unloading $k";	4058	trace "... unloading $k";
3641	delete $INC{$k};	4059	delete $INC{$k};
3642		4060
3643	$k =~ s/\.pm$//;	4061	$k =~ s/\.pm$//;
3644	$k =~ s/\//::/g;	4062	$k =~ s/\//::/g;
3645		4063
…		…
3648	}	4066	}
3649		4067
3650	clear_package $k;	4068	clear_package $k;
3651	}	4069	}
3652		4070
3653	warn "getting rid of safe::, as good as possible";	4071	trace "perl_reload: getting rid of safe::, as good as possible";
3654	clear_package "safe::$_"	4072	clear_package "safe::$_"
3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4073	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3656		4074
3657	warn "unloading cf.pm \"a bit\"";	4075	trace "perl_reload: unloading cf.pm \"a bit\"";
3658	delete $INC{"cf.pm"};	4076	delete $INC{"cf.pm"};
3659	delete $INC{"cf/pod.pm"};	4077	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3660		4078
3661	# don't, removes xs symbols, too,	4079	# don't, removes xs symbols, too,
3662	# and global variables created in xs	4080	# and global variables created in xs
3663	#clear_package __PACKAGE__;	4081	#clear_package __PACKAGE__;
3664		4082
3665	warn "unload completed, starting to reload now";	4083	info "perl_reload: unload completed, starting to reload now";
3666		4084
3667	warn "reloading cf.pm";	4085	trace "perl_reload: reloading cf.pm";
3668	require cf;	4086	require cf;
3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4087	cf::_connect_to_perl_1;
3670		4088
3671	warn "loading config and database again";	4089	trace "perl_reload: loading config and database again";
3672	cf::reload_config;	4090	cf::reload_config;
3673		4091
3674	warn "loading extensions";	4092	trace "perl_reload: loading extensions";
3675	cf::load_extensions;	4093	cf::load_extensions;
3676		4094
		4095	if ($REATTACH_ON_RELOAD) {
3677	warn "reattaching attachments to objects/players";	4096	trace "perl_reload: reattaching attachments to objects/players";
3678	_global_reattach; # objects, sockets	4097	_global_reattach; # objects, sockets
3679	warn "reattaching attachments to maps";	4098	trace "perl_reload: reattaching attachments to maps";
3680	reattach $_ for values %MAP;	4099	reattach $_ for values %MAP;
3681	warn "reattaching attachments to players";	4100	trace "perl_reload: reattaching attachments to players";
3682	reattach $_ for values %PLAYER;	4101	reattach $_ for values %PLAYER;
		4102	}
3683		4103
3684	warn "leaving sync_job";	4104	cf::_post_init 1;
		4105
		4106	trace "perl_reload: leaving sync_job";
3685		4107
3686	1	4108	1
3687	} or do {	4109	} or do {
3688	warn $@;	4110	error $@;
3689	cf::cleanup "error while reloading, exiting.";	4111	cf::cleanup "perl_reload: error, exiting.";
3690	};	4112	};
3691		4113
3692	warn "reloaded";
3693	--$RELOAD;	4114	--$RELOAD;
3694	}	4115	}
		4116
		4117	$t1 = AE::time - $t1;
		4118	info "perl_reload: completed in ${t1}s\n";
3695	};	4119	};
3696		4120
3697	our $RELOAD_WATCHER; # used only during reload	4121	our $RELOAD_WATCHER; # used only during reload
3698		4122
3699	sub reload_perl() {	4123	sub reload_perl() {
3700	# doing reload synchronously and two reloads happen back-to-back,	4124	# doing reload synchronously and two reloads happen back-to-back,
3701	# coro crashes during coro_state_free->destroy here.	4125	# coro crashes during coro_state_free->destroy here.
3702		4126
		4127	$RELOAD_WATCHER ||= cf::async {
		4128	Coro::AIO::aio_wait cache_extensions;
		4129
3703	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4130	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3704	do_reload_perl;	4131	do_reload_perl;
3705	undef $RELOAD_WATCHER;	4132	undef $RELOAD_WATCHER;
		4133	};
3706	};	4134	};
3707	}	4135	}
3708		4136
3709	register_command "reload" => sub {	4137	register_command "reload" => sub {
3710	my ($who, $arg) = @_;	4138	my ($who, $arg) = @_;
…		…
3716	reload_perl;	4144	reload_perl;
3717	};	4145	};
3718	}	4146	}
3719	};	4147	};
3720		4148
3721	unshift @INC, $LIBDIR;	4149	#############################################################################
3722		4150
3723	my $bug_warning = 0;	4151	my $bug_warning = 0;
3724		4152
3725	our @WAIT_FOR_TICK;
3726	our @WAIT_FOR_TICK_BEGIN;
3727
3728	sub wait_for_tick {	4153	sub wait_for_tick() {
3729	return if tick_inhibit || $Coro::current == $Coro::main;	4154	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3730		4155
3731	my $signal = new Coro::Signal;	4156	$WAIT_FOR_TICK->wait;
3732	push @WAIT_FOR_TICK, $signal;
3733	$signal->wait;
3734	}	4157	}
3735		4158
3736	sub wait_for_tick_begin {	4159	sub wait_for_tick_begin() {
3737	return if tick_inhibit || $Coro::current == $Coro::main;	4160	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3738		4161
3739	my $signal = new Coro::Signal;	4162	my $signal = new Coro::Signal;
3740	push @WAIT_FOR_TICK_BEGIN, $signal;	4163	push @WAIT_FOR_TICK_BEGIN, $signal;
3741	$signal->wait;	4164	$signal->wait;
3742	}	4165	}
…		…
3746	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4169	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3747	unless ++$bug_warning > 10;	4170	unless ++$bug_warning > 10;
3748	return;	4171	return;
3749	}	4172	}
3750		4173
3751	cf::server_tick; # one server iteration	4174	cf::one_tick; # one server iteration
		4175
		4176	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3752		4177
3753	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4178	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3754	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4179	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3755	Coro::async_pool {	4180	Coro::async_pool {
3756	$Coro::current->{desc} = "runtime saver";	4181	$Coro::current->{desc} = "runtime saver";
3757	write_runtime_sync	4182	write_runtime_sync
3758	or warn "ERROR: unable to write runtime file: $!";	4183	or error "ERROR: unable to write runtime file: $!";
3759	};	4184	};
3760	}	4185	}
3761		4186
3762	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4187	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3763	$sig->send;	4188	$sig->send;
3764	}	4189	}
3765	while (my $sig = shift @WAIT_FOR_TICK) {	4190	$WAIT_FOR_TICK->broadcast;
3766	$sig->send;
3767	}
3768		4191
3769	$LOAD = ($NOW - $TICK_START) / $TICK;	4192	$LOAD = ($NOW - $TICK_START) / $TICK;
3770	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4193	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3771		4194
3772	if (0) {	4195	if (0) {
3773	if ($NEXT_TICK) {	4196	if ($NEXT_TICK) {
3774	my $jitter = $TICK_START - $NEXT_TICK;	4197	my $jitter = $TICK_START - $NEXT_TICK;
3775	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4198	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3776	warn "jitter $JITTER\n";#d#	4199	debug "jitter $JITTER\n";#d#
3777	}	4200	}
3778	}	4201	}
3779	}	4202	}
3780		4203
3781	{	4204	{
3782	# configure BDB	4205	# configure BDB
3783		4206
3784	BDB::min_parallel 8;	4207	BDB::min_parallel 16;
3785	BDB::max_poll_reqs $TICK * 0.1;	4208	BDB::max_poll_reqs $TICK * 0.1;
3786	$AnyEvent::BDB::WATCHER->priority (1);	4209	#$AnyEvent::BDB::WATCHER->priority (1);
3787		4210
3788	unless ($DB_ENV) {	4211	unless ($DB_ENV) {
3789	$DB_ENV = BDB::db_env_create;	4212	$DB_ENV = BDB::db_env_create;
3790	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4213	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3791	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;	4214	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
…		…
3826	IO::AIO::min_parallel 8;	4249	IO::AIO::min_parallel 8;
3827	IO::AIO::max_poll_time $TICK * 0.1;	4250	IO::AIO::max_poll_time $TICK * 0.1;
3828	undef $AnyEvent::AIO::WATCHER;	4251	undef $AnyEvent::AIO::WATCHER;
3829	}	4252	}
3830		4253
3831	my $_log_backtrace;	4254	our $_log_backtrace;
		4255	our $_log_backtrace_last;
3832		4256
3833	sub _log_backtrace {	4257	sub _log_backtrace {
3834	my ($msg, @addr) = @_;	4258	my ($msg, @addr) = @_;
3835		4259
3836	$msg =~ s/\n//;	4260	$msg =~ s/\n$//;
3837		4261
		4262	if ($_log_backtrace_last eq $msg) {
		4263	LOG llevInfo, "[ABT] $msg\n";
		4264	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3838	# limit the # of concurrent backtraces	4265	# limit the # of concurrent backtraces
3839	if ($_log_backtrace < 2) {	4266	} elsif ($_log_backtrace < 2) {
		4267	$_log_backtrace_last = $msg;
3840	++$_log_backtrace;	4268	++$_log_backtrace;
3841	my $perl_bt = Carp::longmess $msg;	4269	my $perl_bt = Carp::longmess $msg;
3842	async {	4270	async {
3843	$Coro::current->{desc} = "abt $msg";	4271	$Coro::current->{desc} = "abt $msg";
3844		4272
…		…
3864	LOG llevInfo, "[ABT] $_\n" for @bt;	4292	LOG llevInfo, "[ABT] $_\n" for @bt;
3865	--$_log_backtrace;	4293	--$_log_backtrace;
3866	};	4294	};
3867	} else {	4295	} else {
3868	LOG llevInfo, "[ABT] $msg\n";	4296	LOG llevInfo, "[ABT] $msg\n";
3869	LOG llevInfo, "[ABT] [suppressed]\n";	4297	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3870	}	4298	}
3871	}	4299	}
3872		4300
3873	# load additional modules	4301	# load additional modules
3874	use cf::pod;	4302	require "cf/$_.pm" for @EXTRA_MODULES;
		4303	cf::_connect_to_perl_2;
3875		4304
3876	END { cf::emergency_save }	4305	END { cf::emergency_save }
3877		4306
3878	1	4307	1
3879		4308

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