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Revision 1.447 by root, Fri Sep 19 01:39:45 2008 UTC vs.
Revision 1.586 by root, Wed Oct 31 15:02:02 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		36
		37	use Guard ();
37	use Coro ();	38	use Coro ();
38	use Coro::State;	39	use Coro::State;
39	use Coro::Handle;	40	use Coro::Handle;
40	use Coro::EV;	41	use Coro::EV;
41	use Coro::AnyEvent;	42	use Coro::AnyEvent;
42	use Coro::Timer;	43	use Coro::Timer;
43	use Coro::Signal;	44	use Coro::Signal;
44	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
45	use Coro::AnyEvent;	47	use Coro::AnyEvent;
46	use Coro::AIO;	48	use Coro::AIO;
47	use Coro::BDB 1.6;	49	use Coro::BDB 1.6;
48	use Coro::Storable;	50	use Coro::Storable;
49	use Coro::Util ();	51	use Coro::Util ();
50		52
51	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
52	use BDB ();	54	use BDB ();
53	use Data::Dumper;	55	use Data::Dumper;
54	use Digest::MD5;
55	use Fcntl;	56	use Fcntl;
56	use YAML ();	57	use YAML::XS ();
57	use IO::AIO ();	58	use IO::AIO ();
58	use Time::HiRes;	59	use Time::HiRes;
59	use Compress::LZF;	60	use Compress::LZF;
60	use Digest::MD5 ();	61	use Digest::MD5 ();
61		62
…		…
63		64
64	# configure various modules to our taste	65	# configure various modules to our taste
65	#	66	#
66	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69		75
70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
71		78
72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
73		82
74	our %COMMAND = ();	83	our %COMMAND = ();
75	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
76		85
77	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
78	our %EXTCMD = ();	87	our %EXTCMD = ();
79	our %EXTICMD = ();	88	our %EXTICMD = ();
80	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
81	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
82		91
83	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
84	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
85		96
86	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
87	our $DATADIR = datadir;	99	our $DATADIR = datadir;
88	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
89	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
90	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
91	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
92	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
96	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
97	our $PIDFILE = "$LOCALDIR/pid";	110	our $PIDFILE = "$LOCALDIR/pid";
98	our $RUNTIMEFILE = "$LOCALDIR/runtime";	111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
99		112
100	our %RESOURCE;	113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
101		120
102	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
104	our $NEXT_TICK;	123	our $NEXT_TICK;
105	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
106		125
107	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
108	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
109	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
110	our $DB_ENV;	129	our $DB_ENV;
111		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
112	our %CFG;	133	our %CFG;
		134	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
113		135
114	our $UPTIME; $UPTIME ||= time;	136	our $UPTIME; $UPTIME ||= time;
115	our $RUNTIME;	137	our $RUNTIME = 0;
		138	our $SERVER_TICK = 0;
116	our $NOW;	139	our $NOW;
117		140
118	our (%PLAYER, %PLAYER_LOADING); # all users	141	our (%PLAYER, %PLAYER_LOADING); # all users
119	our (%MAP, %MAP_LOADING ); # all maps	142	our (%MAP, %MAP_LOADING ); # all maps
120	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
…		…
124		147
125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	148	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
126	our $LOADAVG; # same thing, but with alpha-smoothing	149	our $LOADAVG; # same thing, but with alpha-smoothing
127	our $JITTER; # average jitter	150	our $JITTER; # average jitter
128	our $TICK_START; # for load detecting purposes	151	our $TICK_START; # for load detecting purposes
		152
		153	our @POST_INIT;
		154
		155	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		156	our $REALLY_UNLOOP; # never set to true, please :)
		157
		158	our $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
129		160
130	binmode STDOUT;	161	binmode STDOUT;
131	binmode STDERR;	162	binmode STDERR;
132		163
133	# read virtual server time, if available	164	# read virtual server time, if available
…		…
135	open my $fh, "<", $RUNTIMEFILE	166	open my $fh, "<", $RUNTIMEFILE
136	or die "unable to read $RUNTIMEFILE file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
137	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
138	}	169	}
139		170
		171	eval "sub TICK() { $TICK } 1" or die;
		172
140	mkdir $_	173	mkdir $_
141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
142		175
143	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
144		177
145	sub cf::map::normalise;	178	sub cf::map::normalise;
146		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
147	#############################################################################	184	#############################################################################
148		185
		186	%REFLECT = ();
		187	for (@REFLECT) {
		188	my $reflect = JSON::XS::decode_json $_;
		189	$REFLECT{$reflect->{class}} = $reflect;
		190	}
		191
		192	# this is decidedly evil
		193	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		194
		195	#############################################################################
		196
149	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
150		198
151	=over 4	199	=over 4
152		200
153	=item $cf::UPTIME	201	=item $cf::UPTIME
154		202
155	The timestamp of the server start (so not actually an uptime).	203	The timestamp of the server start (so not actually an "uptime").
		204
		205	=item $cf::SERVER_TICK
		206
		207	An unsigned integer that starts at zero when the server is started and is
		208	incremented on every tick.
		209
		210	=item $cf::NOW
		211
		212	The (real) time of the last (current) server tick - updated before and
		213	after tick processing, so this is useful only as a rough "what time is it
		214	now" estimate.
		215
		216	=item $cf::TICK
		217
		218	The interval between each server tick, in seconds.
156		219
157	=item $cf::RUNTIME	220	=item $cf::RUNTIME
158		221
159	The time this server has run, starts at 0 and is increased by $cf::TICK on	222	The time this server has run, starts at 0 and is increased by $cf::TICK on
160	every server tick.	223	every server tick.
…		…
166	Various directories - "/etc", read-only install directory, perl-library	229	Various directories - "/etc", read-only install directory, perl-library
167	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
168	unique-items directory, player file directory, random maps directory and	231	unique-items directory, player file directory, random maps directory and
169	database environment.	232	database environment.
170		233
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	234	=item $cf::LOADAVG
180		235
181	The current CPU load on the server (alpha-smoothed), as a value between 0	236	The current CPU load on the server (alpha-smoothed), as a value between 0
182	(none) and 1 (overloaded), indicating how much time is spent on processing	237	(none) and 1 (overloaded), indicating how much time is spent on processing
183	objects per tick. Healthy values are < 0.5.	238	objects per tick. Healthy values are < 0.5.
…		…
192	from wherever your confdir points to.	247	from wherever your confdir points to.
193		248
194	=item cf::wait_for_tick, cf::wait_for_tick_begin	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
195		250
196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
197	returns directly I<after> the tick processing (and consequently, can only wake one process	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
199		254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$cf::WAIT_FOR_TICK>).
		259
		260	=item $cf::WAIT_FOR_TICK
		261
		262	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		263	variable contains a L<Coro::Signal> that is broadcats after every server
		264	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		265	next server tick.
		266
		267	=cut
		268
		269	sub wait_for_tick();
		270	sub wait_for_tick_begin();
		271
200	=item @cf::INVOKE_RESULTS	272	=item @cf::INVOKE_RESULTS
201		273
202	This array contains the results of the last C<invoke ()> call. When	274	This array contains the results of the last C<invoke ()> call. When
203	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	275	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
204	that call.	276	that call.
205		277
		278	=item %cf::REFLECT
		279
		280	Contains, for each (C++) class name, a hash reference with information
		281	about object members (methods, scalars, arrays and flags) and other
		282	metadata, which is useful for introspection.
		283
206	=back	284	=back
207		285
208	=cut	286	=cut
209		287
210	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
211	*CORE::GLOBAL::warn = sub {	289	sub warn (@) { LOG llevWarn , join "", @_ }
		290	sub info (@) { LOG llevInfo , join "", @_ }
		291	sub debug(@) { LOG llevDebug, join "", @_ }
		292	sub trace(@) { LOG llevTrace, join "", @_ }
		293
		294	$Coro::State::WARNHOOK = sub {
212	my $msg = join "", @_;	295	my $msg = join "", @_;
213		296
214	$msg .= "\n"	297	$msg .= "\n"
215	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
216		299
217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	300	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
218		301
219	LOG llevError, $msg;	302	LOG llevWarn, $msg;
220	};	303	};
221	}
222		304
223	$Coro::State::DIEHOOK = sub {	305	$Coro::State::DIEHOOK = sub {
224	return unless $^S eq 0; # "eq", not "=="	306	return unless $^S eq 0; # "eq", not "=="
225		307
226	if ($Coro::current == $Coro::main) {#d#	308	error Carp::longmess $_[0];
		309
		310	if (in_main) {#d#
227	warn "DIEHOOK called in main context, Coro bug?\n";#d#	311	error "DIEHOOK called in main context, Coro bug?\n";#d#
228	return;#d#	312	return;#d#
229	}#d#	313	}#d#
230		314
231	# kill coroutine otherwise	315	# kill coroutine otherwise
232	warn Carp::longmess $_[0];
233	Coro::terminate	316	Coro::terminate
234	};	317	};
235
236	$SIG{__DIE__} = sub { }; #d#?
237		318
238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
255	)) {	336	)) {
256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
257	}	338	}
258		339
259	$EV::DIED = sub {	340	$EV::DIED = sub {
260	warn "error in event callback: @_";	341	warn "error in event callback: $@";
261	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
262		348
263	#############################################################################	349	#############################################################################
264		350
265	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
266		352
…		…
287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
288	$d	374	$d
289	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
290	}	376	}
291		377
		378	=item $scalar = cf::load_file $path
		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($path, $data, $sync) = @_;
		401
		402	my $lock = cf::lock_acquire ("replace_file:$path");
		403
		404	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		405	or return;
		406
		407	$data = $data->() if ref $data;
		408
		409	length $data == aio_write $fh, 0, (length $data), $data, 0
		410	or return;
		411
		412	!$sync
		413	or !aio_fsync $fh
		414	or return;
		415
		416	aio_close $fh
		417	and return;
		418
		419	aio_rename "$path~", $path
		420	and return;
		421
		422	if ($sync) {
		423	$path =~ s%/[^/]*$%%;
		424	aio_pathsync $path;
		425	}
		426
		427	1
		428	}
		429
292	=item $ref = cf::decode_json $json	430	=item $ref = cf::decode_json $json
293		431
294	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
295		433
296	=item $json = cf::encode_json $ref	434	=item $json = cf::encode_json $ref
…		…
302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
303		441
304	sub encode_json($) { $json_coder->encode ($_[0]) }	442	sub encode_json($) { $json_coder->encode ($_[0]) }
305	sub decode_json($) { $json_coder->decode ($_[0]) }	443	sub decode_json($) { $json_coder->decode ($_[0]) }
306		444
		445	=item $ref = cf::decode_storable $scalar
		446
		447	Same as Coro::Storable::thaw, so blocks.
		448
		449	=cut
		450
		451	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		452
		453	=item $ref = cf::decode_yaml $scalar
		454
		455	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		456
		457	=cut
		458
		459	sub decode_yaml($) {
		460	fork_call { YAML::XS::Load $_[0] } @_
		461	}
		462
		463	=item $scalar = cf::unlzf $scalar
		464
		465	Same as Compress::LZF::compress, but takes server ticks into account, so
		466	blocks.
		467
		468	=cut
		469
		470	sub unlzf($) {
		471	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		472	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		473	Compress::LZF::decompress $_[0]
		474	}
		475
		476	=item cf::post_init { BLOCK }
		477
		478	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		479	but I<before> the server starts ticking again.
		480
		481	The codeblock will have a single boolean argument to indicate whether this
		482	is a reload or not.
		483
		484	=cut
		485
		486	sub post_init(&) {
		487	push @POST_INIT, shift;
		488	}
		489
		490	sub _post_init {
		491	trace "running post_init jobs";
		492
		493	# run them in parallel...
		494
		495	my @join;
		496
		497	while () {
		498	push @join, map &Coro::async ($_, 0), @POST_INIT;
		499	@POST_INIT = ();
		500
		501	@join or last;
		502
		503	(pop @join)->join;
		504	}
		505	}
		506
307	=item cf::lock_wait $string	507	=item cf::lock_wait $string
308		508
309	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
310		510
311	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
312		512
313	Wait until the given lock is available and then acquires it and returns	513	Wait until the given lock is available and then acquires it and returns
314	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	514	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
315	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
316	returned.	516	returned.
317		517
318	Locks are *not* recursive, locking from the same coro twice results in a	518	Locks are *not* recursive, locking from the same coro twice results in a
319	deadlocked coro.	519	deadlocked coro.
…		…
325		525
326	Return true if the lock is currently active, i.e. somebody has locked it.	526	Return true if the lock is currently active, i.e. somebody has locked it.
327		527
328	=cut	528	=cut
329		529
330	our %LOCK;	530	our $LOCKS = new Coro::SemaphoreSet;
331	our %LOCKER;#d#
332		531
333	sub lock_wait($) {	532	sub lock_wait($) {
334	my ($key) = @_;	533	$LOCKS->wait ($_[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} }, $Coro::current;
344	Coro::schedule;
345	}
346	}	534	}
347		535
348	sub lock_acquire($) {	536	sub lock_acquire($) {
349	my ($key) = @_;	537	$LOCKS->guard ($_[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	}	538	}
363		539
364	sub lock_active($) {	540	sub lock_active($) {
365	my ($key) = @_;	541	$LOCKS->count ($_[0]) < 1
366
367	! ! $LOCK{$key}
368	}	542	}
369		543
370	sub freeze_mainloop {	544	sub freeze_mainloop {
371	tick_inhibit_inc;	545	tick_inhibit_inc;
372		546
373	Coro::guard \&tick_inhibit_dec;	547	&Guard::guard (\&tick_inhibit_dec);
374	}	548	}
375		549
376	=item cf::periodic $interval, $cb	550	=item cf::periodic $interval, $cb
377		551
378	Like EV::periodic, but randomly selects a starting point so that the actions	552	Like EV::periodic, but randomly selects a starting point so that the actions
379	get spread over timer.	553	get spread over time.
380		554
381	=cut	555	=cut
382		556
383	sub periodic($$) {	557	sub periodic($$) {
384	my ($interval, $cb) = @_;	558	my ($interval, $cb) = @_;
…		…
388	EV::periodic $start, $interval, 0, $cb	562	EV::periodic $start, $interval, 0, $cb
389	}	563	}
390		564
391	=item cf::get_slot $time[, $priority[, $name]]	565	=item cf::get_slot $time[, $priority[, $name]]
392		566
393	Allocate $time seconds of blocking CPU time at priority C<$priority>:	567	Allocate $time seconds of blocking CPU time at priority C<$priority>
394	This call blocks and returns only when you have at least C<$time> seconds	568	(default: 0): This call blocks and returns only when you have at least
395	of cpu time till the next tick. The slot is only valid till the next cede.	569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
396		574
397	The optional C<$name> can be used to identify the job to run. It might be	575	The optional C<$name> can be used to identify the job to run. It might be
398	used for statistical purposes and should identify the same time-class.	576	used for statistical purposes and should identify the same time-class.
399		577
400	Useful for short background jobs.	578	Useful for short background jobs.
401		579
402	=cut	580	=cut
403		581
404	our @SLOT_QUEUE;	582	our @SLOT_QUEUE;
405	our $SLOT_QUEUE;	583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
406		585
407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
408	$SLOT_QUEUE = Coro::async {	587	$SLOT_QUEUE = Coro::async {
409	$Coro::current->desc ("timeslot manager");	588	$Coro::current->desc ("timeslot manager");
410		589
411	my $signal = new Coro::Signal;	590	my $signal = new Coro::Signal;
		591	my $busy;
412		592
413	while () {	593	while () {
414	next_job:	594	next_job:
		595
415	my $avail = cf::till_tick;	596	my $avail = cf::till_tick;
416	if ($avail > 0.01) {	597
417	for (0 .. $#SLOT_QUEUE) {	598	for (0 .. $#SLOT_QUEUE) {
418	if ($SLOT_QUEUE[$_][0] < $avail) {	599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
419	my $job = splice @SLOT_QUEUE, $_, 1, ();	601	my $job = splice @SLOT_QUEUE, $_, 1, ();
420	$job->[2]->send;	602	$job->[2]->send;
421	Coro::cede;	603	Coro::cede;
422	goto next_job;	604	goto next_job;
423	}	605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
424	}	607	}
425	}	608	}
426		609
427	if (@SLOT_QUEUE) {	610	if (@SLOT_QUEUE) {
428	# we do not use wait_for_tick() as it returns immediately when tick is inactive	611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
429	push @cf::WAIT_FOR_TICK, $signal;	612	$WAIT_FOR_TICK->wait;
430	$signal->wait;
431	} else {	613	} else {
		614	$busy = 0;
432	Coro::schedule;	615	Coro::schedule;
433	}	616	}
434	}	617	}
435	};	618	};
436		619
437	sub get_slot($;$$) {	620	sub get_slot($;$$) {
438	return if tick_inhibit || $Coro::current == $Coro::main;	621	return if tick_inhibit || $Coro::current == $Coro::main;
439		622
440	my ($time, $pri, $name) = @_;	623	my ($time, $pri, $name) = @_;
441		624
442	$time = $TICK * .6 if $time > $TICK * .6;	625	$time = clamp $time, 0.01, $TICK * .6;
		626
443	my $sig = new Coro::Signal;	627	my $sig = new Coro::Signal;
444		628
445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	629	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	630	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
447	$SLOT_QUEUE->ready;	631	$SLOT_QUEUE->ready;
…		…
473	=cut	657	=cut
474		658
475	sub sync_job(&) {	659	sub sync_job(&) {
476	my ($job) = @_;	660	my ($job) = @_;
477		661
478	if ($Coro::current == $Coro::main) {	662	if (in_main) {
479	my $time = EV::time;	663	my $time = AE::time;
480		664
481	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
482	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
483		667
484	LOG llevError, Carp::longmess "sync job";#d#	668	#LOG llevError, Carp::longmess "sync job";#d#
485		669
486	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
487		671
488	my $busy = 1;	672	my $busy = 1;
489	my @res;	673	my @res;
490		674
491	(async {	675	(async {
492	$Coro::current->desc ("sync job coro");	676	$Coro::current->desc ("sync job coro");
493	@res = eval { $job->() };	677	@res = eval { $job->() };
494	warn $@ if $@;	678	error $@ if $@;
495	undef $busy;	679	undef $busy;
496	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
497		681
498	while ($busy) {	682	while ($busy) {
499	if (Coro::nready) {	683	if (Coro::nready) {
…		…
501	} else {	685	} else {
502	EV::loop EV::LOOP_ONESHOT;	686	EV::loop EV::LOOP_ONESHOT;
503	}	687	}
504	}	688	}
505		689
506	my $time = EV::time - $time;	690	my $time = AE::time - $time;
507		691
508	$TICK_START += $time; # do not account sync jobs to server load	692	$TICK_START += $time; # do not account sync jobs to server load
509		693
510	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
511	} else {	695	} else {
…		…
533	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
534		718
535	$coro	719	$coro
536	}	720	}
537		721
538	=item fork_call { }, $args	722	=item fork_call { }, @args
539		723
540	Executes the given code block with the given arguments in a seperate	724	Executes the given code block with the given arguments in a seperate
541	process, returning the results. Everything must be serialisable with	725	process, returning the results. Everything must be serialisable with
542	Coro::Storable. May, of course, block. Note that the executed sub may	726	Coro::Storable. May, of course, block. Note that the executed sub may
543	never block itself or use any form of event handling.	727	never block itself or use any form of event handling.
544		728
545	=cut	729	=cut
546		730
		731	sub post_fork {
		732	reset_signals;
		733	}
		734
547	sub fork_call(&@) {	735	sub fork_call(&@) {
548	my ($cb, @args) = @_;	736	my ($cb, @args) = @_;
549		737
550	# we seemingly have to make a local copy of the whole thing,	738	# we seemingly have to make a local copy of the whole thing,
551	# otherwise perl prematurely frees the stuff :/	739	# otherwise perl prematurely frees the stuff :/
552	# TODO: investigate and fix (likely this will be rather laborious)	740	# TODO: investigate and fix (likely this will be rather laborious)
553		741
554	my @res = Coro::Util::fork_eval {	742	my @res = Coro::Util::fork_eval {
555	reset_signals;	743	cf::post_fork;
556	&$cb	744	&$cb
557	}, @args;	745	} @args;
558		746
559	wantarray ? @res : $res[-1]	747	wantarray ? @res : $res[-1]
		748	}
		749
		750	sub objinfo {
		751	(
		752	"counter value" => cf::object::object_count,
		753	"objects created" => cf::object::create_count,
		754	"objects destroyed" => cf::object::destroy_count,
		755	"freelist size" => cf::object::free_count,
		756	"allocated objects" => cf::object::objects_size,
		757	"active objects" => cf::object::actives_size,
		758	)
560	}	759	}
561		760
562	=item $coin = coin_from_name $name	761	=item $coin = coin_from_name $name
563		762
564	=cut	763	=cut
…		…
601	within each server.	800	within each server.
602		801
603	=cut	802	=cut
604		803
605	sub db_table($) {	804	sub db_table($) {
		805	cf::error "db_get called from main context"
		806	if $Coro::current == $Coro::main;
		807
606	my ($name) = @_;	808	my ($name) = @_;
607	my $db = BDB::db_create $DB_ENV;	809	my $db = BDB::db_create $DB_ENV;
608		810
609	eval {	811	eval {
610	$db->set_flags (BDB::CHKSUM);	812	$db->set_flags (BDB::CHKSUM);
…		…
620	}	822	}
621		823
622	our $DB;	824	our $DB;
623		825
624	sub db_init {	826	sub db_init {
625	cf::sync_job {
626	$DB ||= db_table "db";	827	$DB ||= db_table "db";
627	};
628	}	828	}
629		829
630	sub db_get($$) {	830	sub db_get($$) {
631	my $key = "$_[0]/$_[1]";	831	my $key = "$_[0]/$_[1]";
632		832
633	cf::sync_job {	833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
634	BDB::db_get $DB, undef, $key, my $data;	836	BDB::db_get $DB, undef, $key, my $data;
635		837
636	$! ? ()	838	$! ? ()
637	: $data	839	: $data
638	}
639	}	840	}
640		841
641	sub db_put($$$) {	842	sub db_put($$$) {
642	BDB::dbreq_pri 4;	843	BDB::dbreq_pri 4;
643	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
671		872
672	my @data;	873	my @data;
673	my $md5;	874	my $md5;
674		875
675	for (0 .. $#$src) {	876	for (0 .. $#$src) {
676	0 <= aio_load $src->[$_], $data[$_]	877	$data[$_] = load_file $src->[$_];
677	or Carp::croak "$src->[$_]: $!";
678	}	878	}
679		879
680	# if processing is expensive, check	880	# if processing is expensive, check
681	# checksum first	881	# checksum first
682	if (1) {	882	if (1) {
…		…
699		899
700	my $t1 = Time::HiRes::time;	900	my $t1 = Time::HiRes::time;
701	my $data = $process->(\@data);	901	my $data = $process->(\@data);
702	my $t2 = Time::HiRes::time;	902	my $t2 = Time::HiRes::time;
703		903
704	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
705		905
706	db_put cache => "$id/data", $data;	906	db_put cache => "$id/data", $data;
707	db_put cache => "$id/md5" , $md5;	907	db_put cache => "$id/md5" , $md5;
708	db_put cache => "$id/meta", $meta;	908	db_put cache => "$id/meta", $meta;
709		909
…		…
719		919
720	=cut	920	=cut
721		921
722	sub datalog($@) {	922	sub datalog($@) {
723	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
724	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
725	}	925	}
726		926
727	=back	927	=back
728		928
729	=cut	929	=cut
…		…
924		1124
925	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
926	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
927		1127
928	} elsif (ref $type) {	1128	} elsif (ref $type) {
929	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
930		1130
931	} else {	1131	} else {
932	shift @arg;	1132	shift @arg;
933	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
934	}	1134	}
935	}	1135	}
936	}	1136	}
937		1137
938	sub _object_attach {	1138	sub _object_attach {
…		…
948	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
949	}	1149	}
950		1150
951	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
952	} else {	1152	} else {
953	warn "object uses attachment '$name' which is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
954	}	1154	}
955		1155
956	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
957	}	1157	}
958		1158
…		…
1017		1217
1018	for (@$callbacks) {	1218	for (@$callbacks) {
1019	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
1020		1220
1021	if ($@) {	1221	if ($@) {
1022	warn "$@";
1023	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1024	override;	1223	override;
1025	}	1224	}
1026		1225
1027	return 1 if $override;	1226	return 1 if $override;
1028	}	1227	}
…		…
1107	for (@$attach) {	1306	for (@$attach) {
1108	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
1109	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
1110	}	1309	}
1111	} else {	1310	} else {
1112	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
1113	}	1312	}
1114	}	1313	}
1115	}	1314	}
1116		1315
1117	cf::attachable->attach (	1316	cf::attachable->attach (
…		…
1144	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
1145		1344
1146	sync_job {	1345	sync_job {
1147	if (length $$rdata) {	1346	if (length $$rdata) {
1148	utf8::decode (my $decname = $filename);	1347	utf8::decode (my $decname = $filename);
1149	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
1150	$decname, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
1151		1351
1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1153	aio_chmod $fh, SAVE_MODE;	1353	aio_chmod $fh, SAVE_MODE;
1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1155	aio_fsync $fh if $cf::USE_FSYNC;	1355	if ($cf::USE_FSYNC) {
		1356	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1357	aio_fsync $fh;
		1358	}
1156	aio_close $fh;	1359	aio_close $fh;
1157		1360
1158	if (@$objs) {	1361	if (@$objs) {
1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1362	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1160	aio_chmod $fh, SAVE_MODE;	1363	aio_chmod $fh, SAVE_MODE;
1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1162	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
1163	aio_fsync $fh if $cf::USE_FSYNC;	1366	if ($cf::USE_FSYNC) {
		1367	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1368	aio_fsync $fh;
		1369	}
1164	aio_close $fh;	1370	aio_close $fh;
1165	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
1166	}	1372	}
1167	} else {	1373	} else {
1168	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
1169	}	1375	}
1170		1376
1171	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
1172	} else {	1381	} else {
1173	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
1174	}	1383	}
1175	} else {	1384	} else {
1176	aio_unlink $filename;	1385	aio_unlink $filename;
1177	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
1178	}	1387	}
…		…
1202	my $st = eval { Coro::Storable::thaw $av };	1411	my $st = eval { Coro::Storable::thaw $av };
1203	$av = $st->{objs};	1412	$av = $st->{objs};
1204	}	1413	}
1205		1414
1206	utf8::decode (my $decname = $filename);	1415	utf8::decode (my $decname = $filename);
1207	warn sprintf "loading %s (%d,%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
1208	$decname, length $data, scalar @{$av || []};	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
1209		1419
1210	($data, $av)	1420	($data, $av)
1211	}	1421	}
1212		1422
1213	=head2 COMMAND CALLBACKS	1423	=head2 COMMAND CALLBACKS
…		…
1269	my ($name, $cb) = @_;	1479	my ($name, $cb) = @_;
1270		1480
1271	$EXTICMD{$name} = $cb;	1481	$EXTICMD{$name} = $cb;
1272	}	1482	}
1273		1483
		1484	use File::Glob ();
		1485
1274	cf::player->attach (	1486	cf::player->attach (
1275	on_command => sub {	1487	on_unknown_command => sub {
1276	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
1277		1489
1278	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
1279	or return;	1491	or return;
1280		1492
…		…
1288	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
1289		1501
1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1291		1503
1292	if (ref $msg) {	1504	if (ref $msg) {
1293	my ($type, $reply, @payload) =	1505	my ($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		1506
1298	my @reply;	1507	my @reply;
1299		1508
1300	if (my $cb = $EXTCMD{$type}) {	1509	if (my $cb = $EXTCMD{$type}) {
1301	@reply = $cb->($pl, @payload);	1510	@reply = $cb->($pl, @payload);
…		…
1303		1512
1304	$pl->ext_reply ($reply, @reply)	1513	$pl->ext_reply ($reply, @reply)
1305	if $reply;	1514	if $reply;
1306		1515
1307	} else {	1516	} else {
1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1309	}	1518	}
1310		1519
1311	cf::override;	1520	cf::override;
1312	},	1521	},
1313	);	1522	);
1314		1523
		1524	# "readahead" all extensions
		1525	sub cache_extensions {
		1526	my $grp = IO::AIO::aio_group;
		1527
		1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1529	for (grep /\.ext$/, @{$_[0]}) {
		1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1531	}
		1532	};
		1533
		1534	$grp
		1535	}
		1536
		1537	sub _ext_cfg_reg($$$$) {
		1538	my ($rvar, $varname, $cfgname, $default) = @_;
		1539
		1540	$cfgname = lc $varname
		1541	unless length $cfgname;
		1542
		1543	$EXT_CFG{$cfgname} = [$rvar, $default];
		1544
		1545	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1546	}
		1547
1315	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
1316	cf::sync_job {	1553	cf::sync_job {
1317	my %todo;	1554	my %todo;
1318		1555
1319	for my $path (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
1320	next unless -r $path;	1557	next unless -r $path;
…		…
1338		1575
1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1341		1578
1342	$ext{source} =	1579	$ext{source} =
1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1580	"package $pkg; use common::sense;\n"
1344	. "#line 1 \"$path\"\n{\n"	1581	. "#line 1 \"$path\"\n{\n"
1345	. $source	1582	. $source
1346	. "\n};\n1";	1583	. "\n};\n1";
1347		1584
1348	$todo{$base} = \%ext;	1585	$todo{$base} = \%ext;
1349	}	1586	}
1350		1587
		1588	my $pass = 0;
1351	my %done;	1589	my %done;
1352	while (%todo) {	1590	while (%todo) {
1353	my $progress;	1591	my $progress;
1354		1592
		1593	++$pass;
		1594
		1595	ext:
1355	while (my ($k, $v) = each %todo) {	1596	while (my ($k, $v) = each %todo) {
1356	for (split /,\s*/, $v->{meta}{depends}) {	1597	for (split /,\s*/, $v->{meta}{depends}) {
1357	goto skip	1598	next ext
1358	unless exists $done{$_};	1599	unless exists $done{$_};
1359	}	1600	}
1360		1601
1361	warn "... loading '$k' into '$v->{pkg}'\n";	1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1362		1603
1363	unless (eval $v->{source}) {	1604	my $source = $v->{source};
		1605
		1606	# support "CONF varname :confname = default" pseudo-statements
		1607	$source =~ s{
		1608	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1609	}{
		1610	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1611	}gmxe;
		1612
		1613	my $active = eval $source;
		1614
		1615	if (length $@) {
1364	my $msg = $@ ? "$v->{path}: $@\n"	1616	error "$v->{path}: $@\n";
1365	: "$v->{base}: extension inactive.\n";
1366		1617
1367	if (exists $v->{meta}{mandatory}) {
1368	warn $msg;
1369	cf::cleanup "mandatory extension failed to load, exiting.";	1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1370	}	1619	if exists $v->{meta}{mandatory};
1371		1620
1372	warn $msg;	1621	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1622	delete $todo{$k};
		1623	} else {
		1624	$done{$k} = delete $todo{$k};
		1625	push @EXTS, $v->{pkg};
		1626	$progress = 1;
		1627
		1628	info "$v->{base}: extension inactive.\n"
		1629	unless $active;
1373	}	1630	}
1374
1375	$done{$k} = delete $todo{$k};
1376	push @EXTS, $v->{pkg};
1377	$progress = 1;
1378	}	1631	}
1379		1632
1380	skip:	1633	unless ($progress) {
1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1382	unless $progress;	1635
		1636	while (my ($k, $v) = each %todo) {
		1637	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1638	if exists $v->{meta}{mandatory};
		1639	}
		1640
		1641	last;
		1642	}
1383	}	1643	}
1384	};	1644	};
1385	}	1645	}
1386		1646
1387	#############################################################################	1647	#############################################################################
…		…
1441		1701
1442	sub exists($) {	1702	sub exists($) {
1443	my ($login) = @_;	1703	my ($login) = @_;
1444		1704
1445	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1446	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1447	}	1707	}
1448		1708
1449	sub find($) {	1709	sub find($) {
1450	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1451	my $login = $_[0];	1711	my $login = $_[0];
…		…
1471	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1472	}	1732	}
1473	}	1733	}
1474	}	1734	}
1475		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($pl, $path) = @_;
		1739
		1740	# restore slots saved in save, below
		1741	my $slots = delete $pl->{_slots};
		1742
		1743	$pl->ob->current_weapon ($slots->[0]);
		1744	$pl->combat_ob ($slots->[1]);
		1745	$pl->ranged_ob ($slots->[2]);
		1746	},
		1747	);
		1748
1476	sub save($) {	1749	sub save($) {
1477	my ($pl) = @_;	1750	my ($pl) = @_;
1478		1751
1479	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
1480		1753
…		…
1485		1758
1486	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1487	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1488		1761
1489	cf::get_slot 0.01;	1762	cf::get_slot 0.01;
		1763
		1764	# save slots, to be restored later
		1765	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1490		1766
1491	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1492	cf::cede_to_tick;	1768	cf::cede_to_tick;
1493	}	1769	}
1494		1770
…		…
1528	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1529		1805
1530	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir	1807	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1532		1808
1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1534	$pl->deactivate;	1810	$pl->deactivate;
		1811
1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1536	$pl->ob->check_score;
1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1538	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1539		1817
1540	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1541	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1542	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1596	\@logins	1874	\@logins
1597	}	1875	}
1598		1876
1599	=item $player->maps	1877	=item $player->maps
1600		1878
		1879	=item cf::player::maps $login
		1880
1601	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1602	player. May block.	1882	player. May block.
1603		1883
1604	=cut	1884	=cut
1605		1885
…		…
1667	=cut	1947	=cut
1668		1948
1669	sub find_by_path($) {	1949	sub find_by_path($) {
1670	my ($path) = @_;	1950	my ($path) = @_;
1671		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
		1953
1672	my ($match, $specificity);	1954	my ($match, $specificity);
1673		1955
1674	for my $region (list) {	1956	for my $region (list) {
1675	if ($region->{match} && $path =~ $region->{match}) {	1957	if ($region->{match} && $path =~ $region->{match}) {
1676	($match, $specificity) = ($region, $region->specificity)	1958	($match, $specificity) = ($region, $region->specificity)
…		…
1704	sub generate_random_map {	1986	sub generate_random_map {
1705	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1706		1988
1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1708		1990
1709	# mit "rum" bekleckern, nicht
1710	$self->_create_random_map (	1991	$self->_create_random_map ($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}), $rmp->{custom}
1722	)
1723	}	1992	}
1724		1993
1725	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1726		1995
1727	Register a handler for the map path matching the given regex at the	1996	Register a handler for the map path matching the given regex at the
…		…
1732		2001
1733	sub register {	2002	sub register {
1734	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1735	my $pkg = caller;	2004	my $pkg = caller;
1736		2005
1737	no strict;
1738	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1739		2007
1740	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1741	}	2009	}
1742		2010
1743	# also paths starting with '/'	2011	# also paths starting with '/'
1744	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1745		2013
1746	sub thawer_merge {	2014	sub thawer_merge {
1747	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1748		2016
1749	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
…		…
1754	}	2022	}
1755		2023
1756	sub normalise {	2024	sub normalise {
1757	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1758		2026
1759	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1760		2028
1761	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1762		2030
1763	# map plan:	2031	# map plan:
1764	#	2032	#
…		…
1779	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1780	$path = "$base/$path";	2048	$path = "$base/$path";
1781	}	2049	}
1782		2050
1783	for ($path) {	2051	for ($path) {
1784	redo if s{//}{/};
1785	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1786	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1787	}	2054	}
1788		2055
1789	$path	2056	$path
…		…
1803	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1804	return $self;	2071	return $self;
1805	}	2072	}
1806	}	2073	}
1807		2074
1808	Carp::cluck "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1809	()	2076	()
1810	}	2077	}
1811		2078
		2079	# may re-bless or do other evil things
1812	sub init {	2080	sub init {
1813	my ($self) = @_;	2081	my ($self) = @_;
1814		2082
1815	$self	2083	$self
1816	}	2084	}
…		…
1847		2115
1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1849	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1850	}	2118	}
1851		2119
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 $_->outdoor, values %cf::MAP;
1859	}
1860
1861	sub decay_objects {	2120	sub decay_objects {
1862	my ($self) = @_;	2121	my ($self) = @_;
1863		2122
1864	return if $self->{deny_reset};	2123	return if $self->{deny_reset};
1865		2124
…		…
1890	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1891		2150
1892	1	2151	1
1893	}	2152	}
1894		2153
		2154	# used to laod the header of an original map
1895	sub load_header_orig {	2155	sub load_header_orig {
1896	my ($self) = @_;	2156	my ($self) = @_;
1897		2157
1898	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1899	}	2159	}
1900		2160
		2161	# used to laod the header of an instantiated map
1901	sub load_header_temp {	2162	sub load_header_temp {
1902	my ($self) = @_;	2163	my ($self) = @_;
1903		2164
1904	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1905	}	2166	}
1906		2167
		2168	# called after loading the header from an instantiated map
1907	sub prepare_temp {	2169	sub prepare_temp {
1908	my ($self) = @_;	2170	my ($self) = @_;
1909		2171
1910	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1911	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1912	# safety	2174	# safety
1913	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1914	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1915	}	2177	}
1916		2178
		2179	# called after loading the header from an original map
1917	sub prepare_orig {	2180	sub prepare_orig {
1918	my ($self) = @_;	2181	my ($self) = @_;
1919		2182
1920	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1921	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1945		2208
1946	sub find;	2209	sub find;
1947	sub find {	2210	sub find {
1948	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1949		2212
		2213	cf::cede_to_tick;
		2214
1950	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1951		2216
1952	cf::lock_wait "map_data:$path";#d#remove	2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1953	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1954		2219
1955	$cf::MAP{$path} || do {	2220	$cf::MAP{$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	2221	my $map = new_from_path cf::map $path
1960	or return;	2222	or return;
1961		2223
1962	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1963		2225
…		…
1975		2237
1976	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1977	}	2239	}
1978	}	2240	}
1979		2241
1980	sub pre_load { }	2242	sub pre_load { }
1981	sub post_load { }	2243	#sub post_load { } # XS
1982		2244
1983	sub load {	2245	sub load {
1984	my ($self) = @_;	2246	my ($self) = @_;
1985		2247
1986	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1989		2251
1990	{	2252	{
1991	my $guard = cf::lock_acquire "map_data:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1992		2254
1993	return unless $self->valid;	2255	return unless $self->valid;
1994	return unless $self->in_memory == cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
1995
1996	$self->in_memory (cf::MAP_LOADING);
1997		2257
1998	$self->alloc;	2258	$self->alloc;
1999		2259
2000	$self->pre_load;	2260	$self->pre_load;
2001	cf::cede_to_tick;	2261	cf::cede_to_tick;
2002		2262
		2263	if (exists $self->{load_path}) {
2003	my $f = new_from_file cf::object::thawer $self->{load_path};	2264	my $f = new_from_file cf::object::thawer $self->{load_path};
2004	$f->skip_block;	2265	$f->skip_block;
2005	$self->_load_objects ($f)	2266	$self->_load_objects ($f)
2006	or return;	2267	or return;
2007		2268
2008	$self->post_load_original	2269	$self->post_load_original
2009	if delete $self->{load_original};	2270	if delete $self->{load_original};
2010		2271
2011	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
2012	utf8::encode $uniq;	2273	utf8::encode $uniq;
2013	unless (aio_stat $uniq) {	2274	unless (aio_stat $uniq) {
2014	if (my $f = new_from_file cf::object::thawer $uniq) {	2275	if (my $f = new_from_file cf::object::thawer $uniq) {
2015	$self->clear_unique_items;	2276	$self->clear_unique_items;
2016	$self->_load_objects ($f);	2277	$self->_load_objects ($f);
2017	$f->resolve_delayed_derefs;	2278	$f->resolve_delayed_derefs;
		2279	}
2018	}	2280	}
2019	}	2281	}
2020	}
2021		2282
2022	$f->resolve_delayed_derefs;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
		2288
		2289	$self->state (cf::MAP_INACTIVE);
2023		2290
2024	cf::cede_to_tick;	2291	cf::cede_to_tick;
2025	# now do the right thing for maps	2292	# now do the right thing for maps
2026	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
2027	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
…		…
2031	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
2032	$self->decay_objects;	2299	$self->decay_objects;
2033	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
2034	$self->update_buttons;	2301	$self->update_buttons;
2035	cf::cede_to_tick;	2302	cf::cede_to_tick;
2036	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
2037	cf::cede_to_tick;
2038	$self->activate;
2039	}	2304	}
2040		2305
2041	$self->{last_save} = $cf::RUNTIME;	2306	$self->{last_save} = $cf::RUNTIME;
2042	$self->last_access ($cf::RUNTIME);	2307	$self->last_access ($cf::RUNTIME);
2043
2044	$self->in_memory (cf::MAP_ACTIVE);
2045	}	2308	}
2046		2309
2047	$self->post_load;	2310	$self->post_load;
2048	}
2049		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
2050	sub customise_for {	2318	sub customise_for {
2051	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
2052		2320
2053	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
2054	if $self->per_player;	2322	if $self->per_player;
…		…
2057	# if $self->per_party;	2325	# if $self->per_party;
2058		2326
2059	$self	2327	$self
2060	}	2328	}
2061		2329
2062	# find and load all maps in the 3x3 area around a map
2063	sub load_neighbours {
2064	my ($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	$neigh->load;
2085	}
2086	}
2087
2088	sub find_sync {	2330	sub find_sync {
2089	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
2090		2332
2091	cf::sync_job { find $path, $origin }	2333	# it's a bug to call this from the main context
		2334	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2335	if $Coro::current == $Coro::main;
		2336
		2337	find $path, $origin
2092	}	2338	}
2093		2339
2094	sub do_load_sync {	2340	sub do_load_sync {
2095	my ($map) = @_;	2341	my ($map) = @_;
2096		2342
		2343	# it's a bug to call this from the main context
2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2098	if $Coro::current == $Coro::main;	2345	if $Coro::current == $Coro::main;
2099		2346
2100	cf::sync_job { $map->load };	2347	$map->load;
2101	}	2348	}
2102		2349
2103	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
2104	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
2105		2352
2106	sub find_async {	2353	sub find_async {
2107	my ($path, $origin, $load) = @_;	2354	my ($path, $origin, $load) = @_;
2108		2355
2109	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
2110		2357
2111	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2359	return $map if !$load || $map->linkable;
2113	}	2360	}
2114		2361
2115	$MAP_PREFETCH{$path} |= $load;	2362	$MAP_PREFETCH{$path} |= $load;
2116		2363
2117	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
…		…
2131	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
2132		2379
2133	()	2380	()
2134	}	2381	}
2135		2382
		2383	# common code, used by both ->save and ->swapout
2136	sub save {	2384	sub _save {
2137	my ($self) = @_;	2385	my ($self) = @_;
2138
2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
2140		2386
2141	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
2142		2388
2143	return unless $self->dirty;	2389	return unless $self->dirty;
2144		2390
…		…
2164	} else {	2410	} else {
2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2166	}	2412	}
2167	}	2413	}
2168		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
2169	sub swap_out {	2423	sub swap_out {
2170	my ($self) = @_;	2424	my ($self) = @_;
2171		2425
2172	# save first because save cedes
2173	$self->save;
2174
2175	my $lock = cf::lock_acquire "map_data:$self->{path}";	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
2176		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
2177	return if $self->players;	2430	return if $self->players;
2178	return if $self->in_memory != cf::MAP_ACTIVE;	2431
		2432	# first deactivate the map and "unlink" it from the core
		2433	$self->deactivate;
		2434	$_->clear_links_to ($self) for values %cf::MAP;
		2435	$self->state (cf::MAP_SWAPPED);
		2436
		2437	# then atomically save
		2438	$self->_save;
		2439
		2440	# then free the map
		2441	$self->clear;
		2442	}
		2443
		2444	sub reset_at {
		2445	my ($self) = @_;
		2446
		2447	# TODO: safety, remove and allow resettable per-player maps
2179	return if $self->{deny_save};	2448	return 1e99 if $self->{deny_reset};
2180		2449
		2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2451	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2452
		2453	$time + $to
		2454	}
		2455
		2456	sub should_reset {
		2457	my ($self) = @_;
		2458
		2459	$self->reset_at <= $cf::RUNTIME
		2460	}
		2461
		2462	sub reset {
		2463	my ($self) = @_;
		2464
		2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2466
		2467	return if $self->players;
		2468
		2469	cf::trace "resetting map ", $self->path, "\n";
		2470
2181	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
		2472
		2473	# need to save uniques path
		2474	unless ($self->{deny_save}) {
		2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2476
		2477	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2478	if $uniq;
		2479	}
		2480
		2481	delete $cf::MAP{$self->path};
2182		2482
2183	$self->deactivate;	2483	$self->deactivate;
2184	$_->clear_links_to ($self) for values %cf::MAP;	2484	$_->clear_links_to ($self) for values %cf::MAP;
2185	$self->clear;	2485	$self->clear;
2186	}
2187
2188	sub reset_at {
2189	my ($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		2486
2231	$self->unlink_save;	2487	$self->unlink_save;
2232	$self->destroy;	2488	$self->destroy;
2233	}	2489	}
2234		2490
…		…
2242		2498
2243	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
2244		2500
2245	$self->unlink_save;	2501	$self->unlink_save;
2246		2502
2247	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
2248	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
2249	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
2250	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2252		2508
…		…
2309	: normalise $_	2565	: normalise $_
2310	} @{ aio_readdir $UNIQUEDIR or [] }	2566	} @{ aio_readdir $UNIQUEDIR or [] }
2311	]	2567	]
2312	}	2568	}
2313		2569
		2570	=item cf::map::static_maps
		2571
		2572	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2573	file in the shared directory excluding F</styles> and F</editor>). May
		2574	block.
		2575
		2576	=cut
		2577
		2578	sub static_maps() {
		2579	my @dirs = "";
		2580	my @maps;
		2581
		2582	while (@dirs) {
		2583	my $dir = shift @dirs;
		2584
		2585	next if $dir eq "/styles" || $dir eq "/editor";
		2586
		2587	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2588	or return;
		2589
		2590	for (@$files) {
		2591	s/\.map$// or next;
		2592	utf8::decode $_;
		2593	push @maps, "$dir/$_";
		2594	}
		2595
		2596	push @dirs, map "$dir/$_", @$dirs;
		2597	}
		2598
		2599	\@maps
		2600	}
		2601
2314	=back	2602	=back
2315		2603
2316	=head3 cf::object	2604	=head3 cf::object
2317		2605
2318	=cut	2606	=cut
…		…
2383		2671
2384	our $SAY_CHANNEL = {	2672	our $SAY_CHANNEL = {
2385	id => "say",	2673	id => "say",
2386	title => "Map",	2674	title => "Map",
2387	reply => "say ",	2675	reply => "say ",
2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2676	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2389	};	2677	};
2390		2678
2391	our $CHAT_CHANNEL = {	2679	our $CHAT_CHANNEL = {
2392	id => "chat",	2680	id => "chat",
2393	title => "Chat",	2681	title => "Chat",
…		…
2450		2738
2451	Freezes the player and moves him/her to a special map (C<{link}>).	2739	Freezes the player and moves him/her to a special map (C<{link}>).
2452		2740
2453	The player should be reasonably safe there for short amounts of time (e.g.	2741	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,	2742	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	2743	though, as the player cannot control the character while it is on the link
2456	map.	2744	map.
2457		2745
2458	Will never block.	2746	Will never block.
2459		2747
2460	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
…		…
2481	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
2482	my ($self) = @_;	2770	my ($self) = @_;
2483		2771
2484	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
2485		2773
		2774	++$self->{_link_recursion};
		2775
2486	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
2487		2777
2488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2489	if $self->map && $self->map->{path} ne "{link}";	2779	if $self->map && $self->map->{path} ne "{link}";
2490		2780
2491	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2492	}	2782	}
2493		2783
2494	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
2495	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
2496		2786
…		…
2513	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
2514	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
2515		2805
2516	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
2517	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
2518	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
2519		2809
2520	$map->load;	2810	$map->load;
2521	$map->load_neighbours;
2522		2811
2523	return unless $self->contr->active;	2812	return unless $self->contr->active;
2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2525	$self->activate_recursive;
2526		2813
2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2528	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
2529	}	2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
		2819	$self->activate_recursive;
		2820	}
2530		2821
		2822	}
		2823
2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2532		2825
2533	Moves the player to the given map-path and coordinates by first freezing	2826	Moves the player to the given map-path and coordinates by first freezing
2534	her, loading and preparing them map, calling the provided $check callback	2827	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	2828	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	2829	the new (success) or old (failed) map position. In either case, $done will
…		…
2543		2836
2544	our $GOTOGEN;	2837	our $GOTOGEN;
2545		2838
2546	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
2547	my ($self, $path, $x, $y, $check, $done) = @_;	2840	my ($self, $path, $x, $y, $check, $done) = @_;
		2841
		2842	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2843	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2844	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2845	($path, $x, $y) = @$EMERGENCY_POSITION;
		2846	}
2548		2847
2549	# do generation counting so two concurrent goto's will be executed in-order	2848	# do generation counting so two concurrent goto's will be executed in-order
2550	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2551		2850
2552	$self->enter_link;	2851	$self->enter_link;
…		…
2572	($path, $x, $y) = (undef, undef, undef);	2871	($path, $x, $y) = (undef, undef, undef);
2573	}	2872	}
2574	}	2873	}
2575		2874
2576	my $map = eval {	2875	my $map = eval {
2577	my $map = defined $path ? cf::map::find $path : undef;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2578		2877
2579	if ($map) {	2878	if ($map) {
2580	$map = $map->customise_for ($self);	2879	$map = $map->customise_for ($self);
2581	$map = $check->($map) if $check && $map;	2880	$map = $check->($map, $x, $y, $self) if $check && $map;
2582	} else {	2881	} else {
2583	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2584	}	2883	}
2585		2884
2586	$map	2885	$map
…		…
2594	if ($gen == $self->{_goto_generation}) {	2893	if ($gen == $self->{_goto_generation}) {
2595	delete $self->{_goto_generation};	2894	delete $self->{_goto_generation};
2596	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
2597	}	2896	}
2598		2897
2599	$done->() if $done;	2898	$done->($self) if $done;
2600	})->prio (1);	2899	})->prio (1);
2601	}	2900	}
2602		2901
2603	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
2604		2903
…		…
2672	$Coro::current->{desc} = "enter_exit";	2971	$Coro::current->{desc} = "enter_exit";
2673		2972
2674	unless (eval {	2973	unless (eval {
2675	$self->deactivate_recursive; # just to be sure	2974	$self->deactivate_recursive; # just to be sure
2676		2975
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;	2976	my $map = cf::map::normalise $exit->slaying, $exit->map;
2686	my $x = $exit->stats->hp;	2977	my $x = $exit->stats->hp;
2687	my $y = $exit->stats->sp;	2978	my $y = $exit->stats->sp;
		2979
		2980	# special map handling
		2981	my $slaying = $exit->slaying;
		2982
		2983	# special map handling
		2984	if ($slaying eq "/!") {
		2985	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2986
		2987	prepare_random_map $exit
		2988	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2989
		2990	$map = $exit->slaying;
		2991
		2992	} elsif ($slaying eq '!up') {
		2993	$map = $exit->map->tile_path (cf::TILE_UP);
		2994	$x = $exit->x;
		2995	$y = $exit->y;
		2996
		2997	} elsif ($slaying eq '!down') {
		2998	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2999	$x = $exit->x;
		3000	$y = $exit->y;
		3001	}
2688		3002
2689	$self->goto ($map, $x, $y);	3003	$self->goto ($map, $x, $y);
2690		3004
2691	# if exit is damned, update players death & WoR home-position	3005	# if exit is damned, update players death & WoR home-position
2692	$self->contr->savebed ($map, $x, $y)	3006	$self->contr->savebed ($map, $x, $y)
…		…
2697	$self->message ("Something went wrong deep within the deliantra server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2698	. "I'll try to bring you back to the map you were before. "	3012	. "I'll try to bring you back to the map you were before. "
2699	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2700	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2701		3015
2702	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2703	$self->leave_link;	3017	$self->leave_link;
2704	}	3018	}
2705	})->prio (1);	3019	})->prio (1);
2706	}	3020	}
2707		3021
…		…
2719	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
2720	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
2721		3035
2722	utf8::encode $text;	3036	utf8::encode $text;
2723	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3037	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3038	}
		3039
		3040	=item $client->send_big_packet ($pkt)
		3041
		3042	Like C<send_packet>, but tries to compress large packets, and fragments
		3043	them as required.
		3044
		3045	=cut
		3046
		3047	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3048
		3049	sub cf::client::send_big_packet {
		3050	my ($self, $pkt) = @_;
		3051
		3052	# try lzf for large packets
		3053	$pkt = "lzf " . Compress::LZF::compress $pkt
		3054	if 1024 <= length $pkt and $self->{can_lzf};
		3055
		3056	# split very large packets
		3057	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3058	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3059	$pkt = "frag";
		3060	}
		3061
		3062	$self->send_packet ($pkt);
2724	}	3063	}
2725		3064
2726	=item $client->send_msg ($channel, $msg, $color, [extra...])	3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
2727		3066
2728	Send a drawinfo or msg packet to the client, formatting the msg for the	3067	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2732		3071
2733	=cut	3072	=cut
2734		3073
2735	# non-persistent channels (usually the info channel)	3074	# non-persistent channels (usually the info channel)
2736	our %CHANNEL = (	3075	our %CHANNEL = (
		3076	"c/motd" => {
		3077	id => "infobox",
		3078	title => "MOTD",
		3079	reply => undef,
		3080	tooltip => "The message of the day",
		3081	},
2737	"c/identify" => {	3082	"c/identify" => {
2738	id => "infobox",	3083	id => "infobox",
2739	title => "Identify",	3084	title => "Identify",
2740	reply => undef,	3085	reply => undef,
2741	tooltip => "Items recently identified",	3086	tooltip => "Items recently identified",
…		…
2743	"c/examine" => {	3088	"c/examine" => {
2744	id => "infobox",	3089	id => "infobox",
2745	title => "Examine",	3090	title => "Examine",
2746	reply => undef,	3091	reply => undef,
2747	tooltip => "Signs and other items you examined",	3092	tooltip => "Signs and other items you examined",
		3093	},
		3094	"c/shopinfo" => {
		3095	id => "infobox",
		3096	title => "Shop Info",
		3097	reply => undef,
		3098	tooltip => "What your bargaining skill tells you about the shop",
2748	},	3099	},
2749	"c/book" => {	3100	"c/book" => {
2750	id => "infobox",	3101	id => "infobox",
2751	title => "Book",	3102	title => "Book",
2752	reply => undef,	3103	reply => undef,
…		…
2768	id => "infobox",	3119	id => "infobox",
2769	title => "Body Parts",	3120	title => "Body Parts",
2770	reply => undef,	3121	reply => undef,
2771	tooltip => "Shows which body parts you posess and are available",	3122	tooltip => "Shows which body parts you posess and are available",
2772	},	3123	},
		3124	"c/statistics" => {
		3125	id => "infobox",
		3126	title => "Statistics",
		3127	reply => undef,
		3128	tooltip => "Shows your primary statistics",
		3129	},
		3130	"c/skills" => {
		3131	id => "infobox",
		3132	title => "Skills",
		3133	reply => undef,
		3134	tooltip => "Shows your experience per skill and item power",
		3135	},
		3136	"c/shopitems" => {
		3137	id => "infobox",
		3138	title => "Shop Items",
		3139	reply => undef,
		3140	tooltip => "Shows the items currently for sale in this shop",
		3141	},
		3142	"c/resistances" => {
		3143	id => "infobox",
		3144	title => "Resistances",
		3145	reply => undef,
		3146	tooltip => "Shows your resistances",
		3147	},
		3148	"c/pets" => {
		3149	id => "infobox",
		3150	title => "Pets",
		3151	reply => undef,
		3152	tooltip => "Shows information abotu your pets/a specific pet",
		3153	},
		3154	"c/perceiveself" => {
		3155	id => "infobox",
		3156	title => "Perceive Self",
		3157	reply => undef,
		3158	tooltip => "You gained detailed knowledge about yourself",
		3159	},
2773	"c/uptime" => {	3160	"c/uptime" => {
2774	id => "infobox",	3161	id => "infobox",
2775	title => "Uptime",	3162	title => "Uptime",
2776	reply => undef,	3163	reply => undef,
2777	tooltip => "How long the server has been running since last restart",	3164	tooltip => "How long the server has been running since last restart",
…		…
2786	id => "party",	3173	id => "party",
2787	title => "Party",	3174	title => "Party",
2788	reply => "gsay ",	3175	reply => "gsay ",
2789	tooltip => "Messages and chat related to your party",	3176	tooltip => "Messages and chat related to your party",
2790	},	3177	},
		3178	"c/death" => {
		3179	id => "death",
		3180	title => "Death",
		3181	reply => undef,
		3182	tooltip => "Reason for and more info about your most recent death",
		3183	},
		3184	"c/say" => $SAY_CHANNEL,
		3185	"c/chat" => $CHAT_CHANNEL,
2791	);	3186	);
2792		3187
2793	sub cf::client::send_msg {	3188	sub cf::client::send_msg {
2794	my ($self, $channel, $msg, $color, @extra) = @_;	3189	my ($self, $channel, $msg, $color, @extra) = @_;
2795		3190
…		…
2800		3195
2801	# check predefined channels, for the benefit of C	3196	# check predefined channels, for the benefit of C
2802	if ($CHANNEL{$channel}) {	3197	if ($CHANNEL{$channel}) {
2803	$channel = $CHANNEL{$channel};	3198	$channel = $CHANNEL{$channel};
2804		3199
2805	$self->ext_msg (channel_info => $channel)	3200	$self->ext_msg (channel_info => $channel);
2806	if $self->can_msg;
2807
2808	$channel = $channel->{id};	3201	$channel = $channel->{id};
2809		3202
2810	} elsif (ref $channel) {	3203	} elsif (ref $channel) {
2811	# send meta info to client, if not yet sent	3204	# send meta info to client, if not yet sent
2812	unless (exists $self->{channel}{$channel->{id}}) {	3205	unless (exists $self->{channel}{$channel->{id}}) {
2813	$self->{channel}{$channel->{id}} = $channel;	3206	$self->{channel}{$channel->{id}} = $channel;
2814	$self->ext_msg (channel_info => $channel)	3207	$self->ext_msg (channel_info => $channel);
2815	if $self->can_msg;
2816	}	3208	}
2817		3209
2818	$channel = $channel->{id};	3210	$channel = $channel->{id};
2819	}	3211	}
2820		3212
2821	return unless @extra || length $msg;	3213	return unless @extra || length $msg;
2822		3214
2823	if ($self->can_msg) {
2824	# default colour, mask it out	3215	# default colour, mask it out
2825	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2826	if $color & cf::NDI_DEF;	3217	if $color & cf::NDI_DEF;
2827		3218
2828	my $pkt = "msg "	3219	my $pkt = "msg "
2829	. $self->{json_coder}->encode (	3220	. $self->{json_coder}->encode (
2830	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2831	);	3222	);
2832		3223
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);	3224	$self->send_big_packet ($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	}	3225	}
2870		3226
2871	=item $client->ext_msg ($type, @msg)	3227	=item $client->ext_msg ($type, @msg)
2872		3228
2873	Sends an ext event to the client.	3229	Sends an ext event to the client.
…		…
2876		3232
2877	sub cf::client::ext_msg($$@) {	3233	sub cf::client::ext_msg($$@) {
2878	my ($self, $type, @msg) = @_;	3234	my ($self, $type, @msg) = @_;
2879		3235
2880	if ($self->extcmd == 2) {	3236	if ($self->extcmd == 2) {
2881	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2882	} elsif ($self->extcmd == 1) { # TODO: remove	3238	} elsif ($self->extcmd == 1) { # TODO: remove
2883	push @msg, msgtype => "event_$type";	3239	push @msg, msgtype => "event_$type";
2884	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2885	}	3241	}
2886	}	3242	}
2887		3243
2888	=item $client->ext_reply ($msgid, @msg)	3244	=item $client->ext_reply ($msgid, @msg)
2889		3245
…		…
2892	=cut	3248	=cut
2893		3249
2894	sub cf::client::ext_reply($$@) {	3250	sub cf::client::ext_reply($$@) {
2895	my ($self, $id, @msg) = @_;	3251	my ($self, $id, @msg) = @_;
2896		3252
2897	if ($self->extcmd == 2) {	3253	return unless $self->extcmd == 2;
		3254
2898	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3255	$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	}	3256	}
2905		3257
2906	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2907		3259
2908	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
…		…
2963	my ($ns, $buf) = @_;	3315	my ($ns, $buf) = @_;
2964		3316
2965	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2966		3318
2967	if (ref $msg) {	3319	if (ref $msg) {
2968	my ($type, $reply, @payload) =	3320	my ($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		3321
2973	my @reply;	3322	my @reply;
2974		3323
2975	if (my $cb = $EXTICMD{$type}) {	3324	if (my $cb = $EXTICMD{$type}) {
2976	@reply = $cb->($ns, @payload);	3325	@reply = $cb->($ns, @payload);
…		…
2978		3327
2979	$ns->ext_reply ($reply, @reply)	3328	$ns->ext_reply ($reply, @reply)
2980	if $reply;	3329	if $reply;
2981		3330
2982	} else {	3331	} else {
2983	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3332	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2984	}	3333	}
2985		3334
2986	cf::override;	3335	cf::override;
2987	},	3336	},
2988	);	3337	);
…		…
3008		3357
3009	$coro	3358	$coro
3010	}	3359	}
3011		3360
3012	cf::client->attach (	3361	cf::client->attach (
3013	on_destroy => sub {	3362	on_client_destroy => sub {
3014	my ($ns) = @_;	3363	my ($ns) = @_;
3015		3364
3016	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3017	},	3366	},
3018	);	3367	);
…		…
3034	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
3035		3384
3036	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
3037		3386
3038	$safe->permit_only (Opcode::opset qw(	3387	$safe->permit_only (Opcode::opset qw(
3039	:base_core :base_mem :base_orig :base_math	3388	:base_core :base_mem :base_orig :base_math :base_loop
3040	grepstart grepwhile mapstart mapwhile	3389	grepstart grepwhile mapstart mapwhile
3041	sort time	3390	sort time
3042	));	3391	));
3043		3392
3044	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
…		…
3048	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
3049		3398
3050	cf::object	3399	cf::object
3051	contr pay_amount pay_player map x y force_find force_add destroy	3400	contr pay_amount pay_player map x y force_find force_add destroy
3052	insert remove name archname title slaying race decrease split	3401	insert remove name archname title slaying race decrease split
		3402	value
3053		3403
3054	cf::object::player	3404	cf::object::player
3055	player	3405	player
3056		3406
3057	cf::player	3407	cf::player
…		…
3063	=cut	3413	=cut
3064		3414
3065	for (	3415	for (
3066	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3067	insert remove inv nrof name archname title slaying race	3417	insert remove inv nrof name archname title slaying race
3068	decrease split destroy change_exp)],	3418	decrease split destroy change_exp value msg lore send_msg)],
3069	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
3070	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
3071	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
3072	) {	3422	) {
3073	no strict 'refs';
3074	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
3075	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3076	for @funs;	3425	for @funs;
3077	}	3426	}
3078		3427
…		…
3093		3442
3094	my $qcode = $code;	3443	my $qcode = $code;
3095	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3096	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
3097		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
3098	local $_;	3450	local $_;
3099	local @safe::cf::_safe_eval_args = values %vars;
3100		3451
3101	my $eval =	3452	my $eval =
3102	"do {\n"	3453	"do {\n"
3103	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3104	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
3105	. $code	3456	. $code
3106	. "\n}"	3457	. "\n}"
3107	;	3458	;
3108		3459
		3460	if ($CFG{safe_eval}) {
3109	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
3110	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3111	sub_generation_inc;	3464	sub_generation_inc;
		3465	} else {
		3466	local @cf::_safe_eval_args = values %vars;
		3467	@res = wantarray ? eval eval : scalar eval $eval;
		3468	}
3112		3469
3113	if ($@) {	3470	if ($@) {
3114	warn "$@";	3471	warn "$@",
3115	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
3116	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
3117	}	3474	}
3118		3475
3119	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
3120	}	3477	}
3121		3478
…		…
3135	=cut	3492	=cut
3136		3493
3137	sub register_script_function {	3494	sub register_script_function {
3138	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
3139		3496
3140	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
3141	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
3142	}	3499	}
3143		3500
3144	=back	3501	=back
3145		3502
3146	=cut	3503	=cut
3147		3504
3148	#############################################################################	3505	#############################################################################
3149	# the server's init and main functions	3506	# the server's init and main functions
		3507
		3508	our %FACEHASH; # hash => idx, #d# HACK for http server
3150		3509
3151	sub load_facedata($) {	3510	sub load_facedata($) {
3152	my ($path) = @_;	3511	my ($path) = @_;
3153		3512
3154	# HACK to clear player env face cache, we need some signal framework	3513	# HACK to clear player env face cache, we need some signal framework
3155	# for this (global event?)	3514	# for this (global event?)
3156	%ext::player_env::MUSIC_FACE_CACHE = ();	3515	%ext::player_env::MUSIC_FACE_CACHE = ();
3157		3516
3158	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3159		3518
3160	warn "loading facedata from $path\n";	3519	trace "loading facedata from $path\n";
3161		3520
3162	my $facedata;	3521	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		3522
3168	$facedata->{version} == 2	3523	$facedata->{version} == 2
3169	or cf::cleanup "$path: version mismatch, cannot proceed.";	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
3170		3525
3171	# patch in the exptable	3526	# patch in the exptable
		3527	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3172	$facedata->{resource}{"res/exp_table"} = {	3528	$facedata->{resource}{"res/exp_table"} = {
3173	type => FT_RSRC,	3529	type => FT_RSRC,
3174	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3530	data => $exp_table,
		3531	hash => (Digest::MD5::md5 $exp_table),
3175	};	3532	};
3176	cf::cede_to_tick;	3533	cf::cede_to_tick;
3177		3534
3178	{	3535	{
3179	my $faces = $facedata->{faceinfo};	3536	my $faces = $facedata->{faceinfo};
3180		3537
3181	while (my ($face, $info) = each %$faces) {	3538	for my $face (sort keys %$faces) {
		3539	my $info = $faces->{$face};
3182	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3540	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3183		3541
3184	cf::face::set_visibility $idx, $info->{visibility};	3542	cf::face::set_visibility $idx, $info->{visibility};
3185	cf::face::set_magicmap $idx, $info->{magicmap};	3543	cf::face::set_magicmap $idx, $info->{magicmap};
3186	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3544	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3187	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3545	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3546	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3547	$FACEHASH{$info->{hash64}} = $idx;#d#
3188		3548
3189	cf::cede_to_tick;	3549	cf::cede_to_tick;
3190	}	3550	}
3191		3551
3192	while (my ($face, $info) = each %$faces) {	3552	while (my ($face, $info) = each %$faces) {
…		…
3197		3557
3198	if (my $smooth = cf::face::find $info->{smooth}) {	3558	if (my $smooth = cf::face::find $info->{smooth}) {
3199	cf::face::set_smooth $idx, $smooth;	3559	cf::face::set_smooth $idx, $smooth;
3200	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3560	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3201	} else {	3561	} else {
3202	warn "smooth face '$info->{smooth}' not found for face '$face'";	3562	error "smooth face '$info->{smooth}' not found for face '$face'";
3203	}	3563	}
3204		3564
3205	cf::cede_to_tick;	3565	cf::cede_to_tick;
3206	}	3566	}
3207	}	3567	}
…		…
3216		3576
3217	cf::anim::invalidate_all; # d'oh	3577	cf::anim::invalidate_all; # d'oh
3218	}	3578	}
3219		3579
3220	{	3580	{
3221	# TODO: for gcfclient pleasure, we should give resources
3222	# that gcfclient doesn't grok a >10000 face index.
3223	my $res = $facedata->{resource};	3581	my $res = $facedata->{resource};
3224		3582
3225	while (my ($name, $info) = each %$res) {	3583	while (my ($name, $info) = each %$res) {
3226	if (defined $info->{type}) {	3584	if (defined (my $type = $info->{type})) {
		3585	# 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;	3586	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3228	my $data;
3229		3587
3230	if ($info->{type} & 1) {	3588	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};	3589	cf::face::set_type $idx, $type;
		3590	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3591	$FACEHASH{$info->{hash}} = $idx;#d#
3245	} else {	3592	} else {
3246	$RESOURCE{$name} = $info;	3593	# $RESOURCE{$name} = $info; # unused
3247	}	3594	}
3248		3595
3249	cf::cede_to_tick;	3596	cf::cede_to_tick;
3250	}	3597	}
3251	}	3598	}
3252		3599
3253	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3600	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3254		3601
3255	1	3602	1
3256	}	3603	}
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 => $face;
3274	}
3275	}
3276	});
3277		3604
3278	register_exticmd fx_want => sub {	3605	register_exticmd fx_want => sub {
3279	my ($ns, $want) = @_;	3606	my ($ns, $want) = @_;
3280		3607
3281	while (my ($k, $v) = each %$want) {	3608	while (my ($k, $v) = each %$want) {
…		…
3320	sub reload_treasures {	3647	sub reload_treasures {
3321	load_resource_file "$DATADIR/treasures"	3648	load_resource_file "$DATADIR/treasures"
3322	or die "unable to load treasurelists\n";	3649	or die "unable to load treasurelists\n";
3323	}	3650	}
3324		3651
		3652	sub reload_sound {
		3653	trace "loading sound config from $DATADIR/sound\n";
		3654
		3655	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3656
		3657	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3658	my $sound = $soundconf->{compat}[$_]
		3659	or next;
		3660
		3661	my $face = cf::face::find "sound/$sound->[1]";
		3662	cf::sound::set $sound->[0] => $face;
		3663	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3664	}
		3665
		3666	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3667	my $face = cf::face::find "sound/$v";
		3668	cf::sound::set $k => $face;
		3669	}
		3670	}
		3671
3325	sub reload_resources {	3672	sub reload_resources {
3326	warn "reloading resource files...\n";	3673	trace "reloading resource files...\n";
3327		3674
		3675	reload_exp_table;
		3676	reload_materials;
3328	reload_facedata;	3677	reload_facedata;
		3678	reload_sound;
3329	reload_archetypes;	3679	reload_archetypes;
3330	reload_regions;	3680	reload_regions;
3331	reload_treasures;	3681	reload_treasures;
3332		3682
3333	warn "finished reloading resource files\n";	3683	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	}	3684	}
3343		3685
3344	sub reload_config {	3686	sub reload_config {
3345	open my $fh, "<:utf8", "$CONFDIR/config"	3687	trace "reloading config file...\n";
3346	or return;
3347		3688
3348	local $/;	3689	my $config = load_file "$CONFDIR/config";
3349	*CFG = YAML::Load <$fh>;	3690	utf8::decode $config;
		3691	*CFG = decode_yaml $config;
3350		3692
3351	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3693	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3352		3694
3353	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3695	$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};	3696	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3355		3697
3356	if (exists $CFG{mlockall}) {	3698	if (exists $CFG{mlockall}) {
…		…
3379		3721
3380	seek $fh, 0, 0;	3722	seek $fh, 0, 0;
3381	print $fh $$;	3723	print $fh $$;
3382	}	3724	}
3383		3725
		3726	sub main_loop {
		3727	trace "EV::loop starting\n";
		3728	if (1) {
		3729	EV::loop;
		3730	}
		3731	trace "EV::loop returned\n";
		3732	goto &main_loop unless $REALLY_UNLOOP;
		3733	}
		3734
3384	sub main {	3735	sub main {
3385	atomic;	3736	cf::init_globals; # initialise logging
		3737
		3738	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3739	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3740	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3741	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3742
		3743	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3386		3744
3387	# we must not ever block the main coroutine	3745	# we must not ever block the main coroutine
3388	local $Coro::idle = sub {	3746	local $Coro::idle = sub {
3389	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3747	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3390	(async {	3748	(async {
3391	$Coro::current->{desc} = "IDLE BUG HANDLER";	3749	$Coro::current->{desc} = "IDLE BUG HANDLER";
3392	EV::loop EV::LOOP_ONESHOT;	3750	EV::loop EV::LOOP_ONESHOT;
3393	})->prio (Coro::PRIO_MAX);	3751	})->prio (Coro::PRIO_MAX);
3394	};	3752	};
3395		3753
3396	{	3754	evthread_start IO::AIO::poll_fileno;
3397	my $guard = freeze_mainloop;	3755
		3756	cf::sync_job {
		3757	cf::incloader::init ();
		3758
		3759	cf::init_anim;
		3760	cf::init_attackmess;
		3761	cf::init_dynamic;
		3762
		3763	cf::load_settings;
		3764
		3765	reload_resources;
3398	reload_config;	3766	reload_config;
3399	db_init;	3767	db_init;
		3768
		3769	cf::init_uuid;
		3770	cf::init_signals;
		3771	cf::init_skills;
		3772
		3773	cf::init_beforeplay;
		3774
		3775	atomic;
		3776
3400	load_extensions;	3777	load_extensions;
3401		3778
3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3403	}
3404
3405	utime time, time, $RUNTIMEFILE;	3779	utime time, time, $RUNTIMEFILE;
3406		3780
3407	# no (long-running) fork's whatsoever before this point(!)	3781	# no (long-running) fork's whatsoever before this point(!)
		3782	use POSIX ();
3408	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};	3783	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3409		3784
3410	EV::loop;	3785	cf::_post_init 0;
		3786	};
		3787
		3788	cf::object::thawer::errors_are_fatal 0;
		3789	info "parse errors in files are no longer fatal from this point on.\n";
		3790
		3791	AE::postpone {
		3792	undef &main; # free gobs of memory :)
		3793	};
		3794
		3795	goto &main_loop;
3411	}	3796	}
3412		3797
3413	#############################################################################	3798	#############################################################################
3414	# initialisation and cleanup	3799	# initialisation and cleanup
3415		3800
3416	# install some emergency cleanup handlers	3801	# install some emergency cleanup handlers
3417	BEGIN {	3802	BEGIN {
3418	our %SIGWATCHER = ();	3803	our %SIGWATCHER = ();
3419	for my $signal (qw(INT HUP TERM)) {	3804	for my $signal (qw(INT HUP TERM)) {
3420	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3805	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3421	cf::cleanup "SIG$signal";	3806	cf::cleanup "SIG$signal";
3422	};	3807	};
3423	}	3808	}
3424	}	3809	}
3425		3810
3426	sub write_runtime_sync {	3811	sub write_runtime_sync {
		3812	my $t0 = AE::time;
		3813
3427	# first touch the runtime file to show we are still running:	3814	# first touch the runtime file to show we are still running:
3428	# the fsync below can take a very very long time.	3815	# the fsync below can take a very very long time.
3429		3816
3430	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;	3817	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3431		3818
3432	my $guard = cf::lock_acquire "write_runtime";	3819	my $guard = cf::lock_acquire "write_runtime";
3433		3820
3434	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644	3821	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3435	or return;	3822	or return;
3436		3823
3437	my $value = $cf::RUNTIME + 90 + 10;	3824	my $value = $cf::RUNTIME + 90 + 10;
3438	# 10 is the runtime save interval, for a monotonic clock	3825	# 10 is the runtime save interval, for a monotonic clock
3439	# 60 allows for the watchdog to kill the server.	3826	# 60 allows for the watchdog to kill the server.
…		…
3452	or return;	3839	or return;
3453		3840
3454	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE	3841	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3455	and return;	3842	and return;
3456		3843
3457	warn "runtime file written.\n";	3844	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3458		3845
3459	1	3846	1
3460	}	3847	}
3461		3848
3462	our $uuid_lock;	3849	our $uuid_lock;
…		…
3471	my $uuid = "$LOCALDIR/uuid";	3858	my $uuid = "$LOCALDIR/uuid";
3472		3859
3473	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3860	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3474	or return;	3861	or return;
3475		3862
3476	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3863	my $value = uuid_seq uuid_cur;
		3864
		3865	unless ($value) {
		3866	info "cowardly refusing to write zero uuid value!\n";
		3867	return;
		3868	}
		3869
		3870	my $value = uuid_str $value + $uuid_skip;
3477	$uuid_skip = 0;	3871	$uuid_skip = 0;
3478		3872
3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3873	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3480	and return;	3874	and return;
3481		3875
…		…
3487	or return;	3881	or return;
3488		3882
3489	aio_rename "$uuid~", $uuid	3883	aio_rename "$uuid~", $uuid
3490	and return;	3884	and return;
3491		3885
3492	warn "uuid file written ($value).\n";	3886	trace "uuid file written ($value).\n";
3493		3887
3494	1	3888	1
3495		3889
3496	}	3890	}
3497		3891
…		…
3503	}	3897	}
3504		3898
3505	sub emergency_save() {	3899	sub emergency_save() {
3506	my $freeze_guard = cf::freeze_mainloop;	3900	my $freeze_guard = cf::freeze_mainloop;
3507		3901
3508	warn "enter emergency perl save\n";	3902	info "emergency_perl_save: enter\n";
		3903
		3904	# this is a trade-off: we want to be very quick here, so
		3905	# save all maps without fsync, and later call a global sync
		3906	# (which in turn might be very very slow)
		3907	local $USE_FSYNC = 0;
3509		3908
3510	cf::sync_job {	3909	cf::sync_job {
		3910	cf::write_runtime_sync; # external watchdog should not bark
		3911
3511	# use a peculiar iteration method to avoid tripping on perl	3912	# use a peculiar iteration method to avoid tripping on perl
3512	# refcount bugs in for. also avoids problems with players	3913	# refcount bugs in for. also avoids problems with players
3513	# and maps saved/destroyed asynchronously.	3914	# and maps saved/destroyed asynchronously.
3514	warn "begin emergency player save\n";	3915	info "emergency_perl_save: begin player save\n";
3515	for my $login (keys %cf::PLAYER) {	3916	for my $login (keys %cf::PLAYER) {
3516	my $pl = $cf::PLAYER{$login} or next;	3917	my $pl = $cf::PLAYER{$login} or next;
3517	$pl->valid or next;	3918	$pl->valid or next;
3518	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3919	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3519	$pl->save;	3920	$pl->save;
3520	}	3921	}
3521	warn "end emergency player save\n";	3922	info "emergency_perl_save: end player save\n";
3522		3923
3523	warn "begin emergency map save\n";	3924	cf::write_runtime_sync; # external watchdog should not bark
		3925
		3926	info "emergency_perl_save: begin map save\n";
3524	for my $path (keys %cf::MAP) {	3927	for my $path (keys %cf::MAP) {
3525	my $map = $cf::MAP{$path} or next;	3928	my $map = $cf::MAP{$path} or next;
3526	$map->valid or next;	3929	$map->valid or next;
3527	$map->save;	3930	$map->save;
3528	}	3931	}
3529	warn "end emergency map save\n";	3932	info "emergency_perl_save: end map save\n";
3530		3933
3531	warn "begin emergency database checkpoint\n";	3934	cf::write_runtime_sync; # external watchdog should not bark
		3935
		3936	info "emergency_perl_save: begin database checkpoint\n";
3532	BDB::db_env_txn_checkpoint $DB_ENV;	3937	BDB::db_env_txn_checkpoint $DB_ENV;
3533	warn "end emergency database checkpoint\n";	3938	info "emergency_perl_save: end database checkpoint\n";
3534		3939
3535	warn "begin write uuid\n";	3940	info "emergency_perl_save: begin write uuid\n";
3536	write_uuid_sync 1;	3941	write_uuid_sync 1;
3537	warn "end write uuid\n";	3942	info "emergency_perl_save: end write uuid\n";
		3943
		3944	cf::write_runtime_sync; # external watchdog should not bark
		3945
		3946	trace "emergency_perl_save: syncing database to disk";
		3947	BDB::db_env_txn_checkpoint $DB_ENV;
		3948
		3949	info "emergency_perl_save: starting sync\n";
		3950	IO::AIO::aio_sync sub {
		3951	info "emergency_perl_save: finished sync\n";
		3952	};
		3953
		3954	cf::write_runtime_sync; # external watchdog should not bark
		3955
		3956	trace "emergency_perl_save: flushing outstanding aio requests";
		3957	while (IO::AIO::nreqs || BDB::nreqs) {
		3958	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3959	}
		3960
		3961	cf::write_runtime_sync; # external watchdog should not bark
3538	};	3962	};
3539		3963
3540	warn "leave emergency perl save\n";	3964	info "emergency_perl_save: leave\n";
3541	}	3965	}
3542		3966
3543	sub post_cleanup {	3967	sub post_cleanup {
3544	my ($make_core) = @_;	3968	my ($make_core) = @_;
3545		3969
		3970	IO::AIO::flush;
		3971
3546	warn Carp::longmess "post_cleanup backtrace"	3972	error Carp::longmess "post_cleanup backtrace"
3547	if $make_core;	3973	if $make_core;
3548		3974
3549	my $fh = pidfile;	3975	my $fh = pidfile;
3550	unlink $PIDFILE if <$fh> == $$;	3976	unlink $PIDFILE if <$fh> == $$;
3551	}	3977	}
…		…
3571	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	3997	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3572	for my $name (keys %$leaf_symtab) {	3998	for my $name (keys %$leaf_symtab) {
3573	_gv_clear *{"$pkg$name"};	3999	_gv_clear *{"$pkg$name"};
3574	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	4000	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3575	}	4001	}
3576	warn "cleared package #$pkg\n";#d#
3577	}	4002	}
3578
3579	our $RELOAD; # how many times to reload
3580		4003
3581	sub do_reload_perl() {	4004	sub do_reload_perl() {
3582	# can/must only be called in main	4005	# can/must only be called in main
3583	if ($Coro::current != $Coro::main) {	4006	unless (in_main) {
3584	warn "can only reload from main coroutine";	4007	error "can only reload from main coroutine";
3585	return;	4008	return;
3586	}	4009	}
3587		4010
3588	return if $RELOAD++;	4011	return if $RELOAD++;
3589		4012
		4013	my $t1 = AE::time;
		4014
3590	while ($RELOAD) {	4015	while ($RELOAD) {
3591	warn "reloading...";	4016	cf::get_slot 0.1, -1, "reload_perl";
		4017	info "perl_reload: reloading...";
3592		4018
3593	warn "entering sync_job";	4019	trace "perl_reload: entering sync_job";
3594		4020
3595	cf::sync_job {	4021	cf::sync_job {
3596	cf::write_runtime_sync; # external watchdog should not bark
3597	cf::emergency_save;	4022	#cf::emergency_save;
3598	cf::write_runtime_sync; # external watchdog should not bark
3599		4023
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";	4024	trace "perl_reload: cancelling all extension coros";
3611	$_->cancel for values %EXT_CORO;	4025	$_->cancel for values %EXT_CORO;
3612	%EXT_CORO = ();	4026	%EXT_CORO = ();
3613		4027
3614	warn "removing commands";	4028	trace "perl_reload: removing commands";
3615	%COMMAND = ();	4029	%COMMAND = ();
3616		4030
3617	warn "removing ext/exti commands";	4031	trace "perl_reload: removing ext/exti commands";
3618	%EXTCMD = ();	4032	%EXTCMD = ();
3619	%EXTICMD = ();	4033	%EXTICMD = ();
3620		4034
3621	warn "unloading/nuking all extensions";	4035	trace "perl_reload: unloading/nuking all extensions";
3622	for my $pkg (@EXTS) {	4036	for my $pkg (@EXTS) {
3623	warn "... unloading $pkg";	4037	trace "... unloading $pkg";
3624		4038
3625	if (my $cb = $pkg->can ("unload")) {	4039	if (my $cb = $pkg->can ("unload")) {
3626	eval {	4040	eval {
3627	$cb->($pkg);	4041	$cb->($pkg);
3628	1	4042	1
3629	} or warn "$pkg unloaded, but with errors: $@";	4043	} or error "$pkg unloaded, but with errors: $@";
3630	}	4044	}
3631		4045
3632	warn "... clearing $pkg";	4046	trace "... clearing $pkg";
3633	clear_package $pkg;	4047	clear_package $pkg;
3634	}	4048	}
3635		4049
3636	warn "unloading all perl modules loaded from $LIBDIR";	4050	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3637	while (my ($k, $v) = each %INC) {	4051	while (my ($k, $v) = each %INC) {
3638	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4052	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3639		4053
3640	warn "... unloading $k";	4054	trace "... unloading $k";
3641	delete $INC{$k};	4055	delete $INC{$k};
3642		4056
3643	$k =~ s/\.pm$//;	4057	$k =~ s/\.pm$//;
3644	$k =~ s/\//::/g;	4058	$k =~ s/\//::/g;
3645		4059
…		…
3648	}	4062	}
3649		4063
3650	clear_package $k;	4064	clear_package $k;
3651	}	4065	}
3652		4066
3653	warn "getting rid of safe::, as good as possible";	4067	trace "perl_reload: getting rid of safe::, as good as possible";
3654	clear_package "safe::$_"	4068	clear_package "safe::$_"
3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4069	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3656		4070
3657	warn "unloading cf.pm \"a bit\"";	4071	trace "perl_reload: unloading cf.pm \"a bit\"";
3658	delete $INC{"cf.pm"};	4072	delete $INC{"cf.pm"};
3659	delete $INC{"cf/pod.pm"};	4073	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3660		4074
3661	# don't, removes xs symbols, too,	4075	# don't, removes xs symbols, too,
3662	# and global variables created in xs	4076	# and global variables created in xs
3663	#clear_package __PACKAGE__;	4077	#clear_package __PACKAGE__;
3664		4078
3665	warn "unload completed, starting to reload now";	4079	info "perl_reload: unload completed, starting to reload now";
3666		4080
3667	warn "reloading cf.pm";	4081	trace "perl_reload: reloading cf.pm";
3668	require cf;	4082	require cf;
3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4083	cf::_connect_to_perl_1;
3670		4084
3671	warn "loading config and database again";	4085	trace "perl_reload: loading config and database again";
3672	cf::reload_config;	4086	cf::reload_config;
3673		4087
3674	warn "loading extensions";	4088	trace "perl_reload: loading extensions";
3675	cf::load_extensions;	4089	cf::load_extensions;
3676		4090
		4091	if ($REATTACH_ON_RELOAD) {
3677	warn "reattaching attachments to objects/players";	4092	trace "perl_reload: reattaching attachments to objects/players";
3678	_global_reattach; # objects, sockets	4093	_global_reattach; # objects, sockets
3679	warn "reattaching attachments to maps";	4094	trace "perl_reload: reattaching attachments to maps";
3680	reattach $_ for values %MAP;	4095	reattach $_ for values %MAP;
3681	warn "reattaching attachments to players";	4096	trace "perl_reload: reattaching attachments to players";
3682	reattach $_ for values %PLAYER;	4097	reattach $_ for values %PLAYER;
		4098	}
3683		4099
3684	warn "leaving sync_job";	4100	cf::_post_init 1;
		4101
		4102	trace "perl_reload: leaving sync_job";
3685		4103
3686	1	4104	1
3687	} or do {	4105	} or do {
3688	warn $@;	4106	error $@;
3689	cf::cleanup "error while reloading, exiting.";	4107	cf::cleanup "perl_reload: error, exiting.";
3690	};	4108	};
3691		4109
3692	warn "reloaded";
3693	--$RELOAD;	4110	--$RELOAD;
3694	}	4111	}
		4112
		4113	$t1 = AE::time - $t1;
		4114	info "perl_reload: completed in ${t1}s\n";
3695	};	4115	};
3696		4116
3697	our $RELOAD_WATCHER; # used only during reload	4117	our $RELOAD_WATCHER; # used only during reload
3698		4118
3699	sub reload_perl() {	4119	sub reload_perl() {
3700	# doing reload synchronously and two reloads happen back-to-back,	4120	# doing reload synchronously and two reloads happen back-to-back,
3701	# coro crashes during coro_state_free->destroy here.	4121	# coro crashes during coro_state_free->destroy here.
3702		4122
		4123	$RELOAD_WATCHER ||= cf::async {
		4124	Coro::AIO::aio_wait cache_extensions;
		4125
3703	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4126	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3704	do_reload_perl;	4127	do_reload_perl;
3705	undef $RELOAD_WATCHER;	4128	undef $RELOAD_WATCHER;
		4129	};
3706	};	4130	};
3707	}	4131	}
3708		4132
3709	register_command "reload" => sub {	4133	register_command "reload" => sub {
3710	my ($who, $arg) = @_;	4134	my ($who, $arg) = @_;
…		…
3716	reload_perl;	4140	reload_perl;
3717	};	4141	};
3718	}	4142	}
3719	};	4143	};
3720		4144
3721	unshift @INC, $LIBDIR;	4145	#############################################################################
3722		4146
3723	my $bug_warning = 0;	4147	my $bug_warning = 0;
3724		4148
3725	our @WAIT_FOR_TICK;
3726	our @WAIT_FOR_TICK_BEGIN;
3727
3728	sub wait_for_tick {	4149	sub wait_for_tick() {
3729	return if tick_inhibit || $Coro::current == $Coro::main;	4150	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3730		4151
3731	my $signal = new Coro::Signal;	4152	$WAIT_FOR_TICK->wait;
3732	push @WAIT_FOR_TICK, $signal;
3733	$signal->wait;
3734	}	4153	}
3735		4154
3736	sub wait_for_tick_begin {	4155	sub wait_for_tick_begin() {
3737	return if tick_inhibit || $Coro::current == $Coro::main;	4156	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3738		4157
3739	my $signal = new Coro::Signal;	4158	my $signal = new Coro::Signal;
3740	push @WAIT_FOR_TICK_BEGIN, $signal;	4159	push @WAIT_FOR_TICK_BEGIN, $signal;
3741	$signal->wait;	4160	$signal->wait;
3742	}	4161	}
…		…
3746	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4165	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3747	unless ++$bug_warning > 10;	4166	unless ++$bug_warning > 10;
3748	return;	4167	return;
3749	}	4168	}
3750		4169
3751	cf::server_tick; # one server iteration	4170	cf::one_tick; # one server iteration
		4171
		4172	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3752		4173
3753	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4174	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3754	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4175	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3755	Coro::async_pool {	4176	Coro::async_pool {
3756	$Coro::current->{desc} = "runtime saver";	4177	$Coro::current->{desc} = "runtime saver";
3757	write_runtime_sync	4178	write_runtime_sync
3758	or warn "ERROR: unable to write runtime file: $!";	4179	or error "ERROR: unable to write runtime file: $!";
3759	};	4180	};
3760	}	4181	}
3761		4182
3762	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4183	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3763	$sig->send;	4184	$sig->send;
3764	}	4185	}
3765	while (my $sig = shift @WAIT_FOR_TICK) {	4186	$WAIT_FOR_TICK->broadcast;
3766	$sig->send;
3767	}
3768		4187
3769	$LOAD = ($NOW - $TICK_START) / $TICK;	4188	$LOAD = ($NOW - $TICK_START) / $TICK;
3770	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4189	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3771		4190
3772	if (0) {	4191	if (0) {
3773	if ($NEXT_TICK) {	4192	if ($NEXT_TICK) {
3774	my $jitter = $TICK_START - $NEXT_TICK;	4193	my $jitter = $TICK_START - $NEXT_TICK;
3775	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4194	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3776	warn "jitter $JITTER\n";#d#	4195	debug "jitter $JITTER\n";#d#
3777	}	4196	}
3778	}	4197	}
3779	}	4198	}
3780		4199
3781	{	4200	{
3782	# configure BDB	4201	# configure BDB
3783		4202
3784	BDB::min_parallel 8;	4203	BDB::min_parallel 16;
3785	BDB::max_poll_reqs $TICK * 0.1;	4204	BDB::max_poll_reqs $TICK * 0.1;
3786	$AnyEvent::BDB::WATCHER->priority (1);	4205	#$AnyEvent::BDB::WATCHER->priority (1);
3787		4206
3788	unless ($DB_ENV) {	4207	unless ($DB_ENV) {
3789	$DB_ENV = BDB::db_env_create;	4208	$DB_ENV = BDB::db_env_create;
3790	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3791	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;	4210	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
…		…
3826	IO::AIO::min_parallel 8;	4245	IO::AIO::min_parallel 8;
3827	IO::AIO::max_poll_time $TICK * 0.1;	4246	IO::AIO::max_poll_time $TICK * 0.1;
3828	undef $AnyEvent::AIO::WATCHER;	4247	undef $AnyEvent::AIO::WATCHER;
3829	}	4248	}
3830		4249
3831	my $_log_backtrace;	4250	our $_log_backtrace;
		4251	our $_log_backtrace_last;
3832		4252
3833	sub _log_backtrace {	4253	sub _log_backtrace {
3834	my ($msg, @addr) = @_;	4254	my ($msg, @addr) = @_;
3835		4255
3836	$msg =~ s/\n//;	4256	$msg =~ s/\n$//;
3837		4257
		4258	if ($_log_backtrace_last eq $msg) {
		4259	LOG llevInfo, "[ABT] $msg\n";
		4260	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3838	# limit the # of concurrent backtraces	4261	# limit the # of concurrent backtraces
3839	if ($_log_backtrace < 2) {	4262	} elsif ($_log_backtrace < 2) {
		4263	$_log_backtrace_last = $msg;
3840	++$_log_backtrace;	4264	++$_log_backtrace;
3841	my $perl_bt = Carp::longmess $msg;	4265	my $perl_bt = Carp::longmess $msg;
3842	async {	4266	async {
3843	$Coro::current->{desc} = "abt $msg";	4267	$Coro::current->{desc} = "abt $msg";
3844		4268
…		…
3864	LOG llevInfo, "[ABT] $_\n" for @bt;	4288	LOG llevInfo, "[ABT] $_\n" for @bt;
3865	--$_log_backtrace;	4289	--$_log_backtrace;
3866	};	4290	};
3867	} else {	4291	} else {
3868	LOG llevInfo, "[ABT] $msg\n";	4292	LOG llevInfo, "[ABT] $msg\n";
3869	LOG llevInfo, "[ABT] [suppressed]\n";	4293	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3870	}	4294	}
3871	}	4295	}
3872		4296
3873	# load additional modules	4297	# load additional modules
3874	use cf::pod;	4298	require "cf/$_.pm" for @EXTRA_MODULES;
		4299	cf::_connect_to_perl_2;
3875		4300
3876	END { cf::emergency_save }	4301	END { cf::emergency_save }
3877		4302
3878	1	4303	1
3879		4304

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