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Revision 1.449 by root, Sat Sep 20 00:09:27 2008 UTC vs.
Revision 1.584 by root, Tue Oct 30 17:07:50 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
…		…
70		71
71	# make sure c-lzf reinitialises itself	72	# make sure c-lzf reinitialises itself
72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";	73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
73	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
74		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
		78
75	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;
76		82
77	our %COMMAND = ();	83	our %COMMAND = ();
78	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
79		85
80	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
81	our %EXTCMD = ();	87	our %EXTCMD = ();
82	our %EXTICMD = ();	88	our %EXTICMD = ();
83	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
84	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
85		91
86	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
87	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
88		96
89	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
90	our $DATADIR = datadir;	99	our $DATADIR = datadir;
91	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
92	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
93	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
94	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
95	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
98	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
99	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
100	our $PIDFILE = "$LOCALDIR/pid";	110	our $PIDFILE = "$LOCALDIR/pid";
101	our $RUNTIMEFILE = "$LOCALDIR/runtime";	111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
102		112
103	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;
104		120
105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
107	our $NEXT_TICK;	123	our $NEXT_TICK;
108	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
109		125
110	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
111	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
112	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
113	our $DB_ENV;	129	our $DB_ENV;
114		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
115	our %CFG;	133	our %CFG;
		134	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
116		135
117	our $UPTIME; $UPTIME ||= time;	136	our $UPTIME; $UPTIME ||= time;
118	our $RUNTIME;	137	our $RUNTIME = 0;
		138	our $SERVER_TICK = 0;
119	our $NOW;	139	our $NOW;
120		140
121	our (%PLAYER, %PLAYER_LOADING); # all users	141	our (%PLAYER, %PLAYER_LOADING); # all users
122	our (%MAP, %MAP_LOADING ); # all maps	142	our (%MAP, %MAP_LOADING ); # all maps
123	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
…		…
127		147
128	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)
129	our $LOADAVG; # same thing, but with alpha-smoothing	149	our $LOADAVG; # same thing, but with alpha-smoothing
130	our $JITTER; # average jitter	150	our $JITTER; # average jitter
131	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;
132		160
133	binmode STDOUT;	161	binmode STDOUT;
134	binmode STDERR;	162	binmode STDERR;
135		163
136	# read virtual server time, if available	164	# read virtual server time, if available
…		…
138	open my $fh, "<", $RUNTIMEFILE	166	open my $fh, "<", $RUNTIMEFILE
139	or die "unable to read $RUNTIMEFILE file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
140	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
141	}	169	}
142		170
		171	eval "sub TICK() { $TICK } 1" or die;
		172
143	mkdir $_	173	mkdir $_
144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
145		175
146	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
147		177
148	sub cf::map::normalise;	178	sub cf::map::normalise;
149		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
150	#############################################################################	184	#############################################################################
151		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
152	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
153		198
154	=over 4	199	=over 4
155		200
156	=item $cf::UPTIME	201	=item $cf::UPTIME
157		202
158	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.
159		219
160	=item $cf::RUNTIME	220	=item $cf::RUNTIME
161		221
162	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
163	every server tick.	223	every server tick.
…		…
169	Various directories - "/etc", read-only install directory, perl-library	229	Various directories - "/etc", read-only install directory, perl-library
170	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
171	unique-items directory, player file directory, random maps directory and	231	unique-items directory, player file directory, random maps directory and
172	database environment.	232	database environment.
173		233
174	=item $cf::NOW
175
176	The time of the last (current) server tick.
177
178	=item $cf::TICK
179
180	The interval between server ticks, in seconds.
181
182	=item $cf::LOADAVG	234	=item $cf::LOADAVG
183		235
184	The current CPU load on the server (alpha-smoothed), as a value between 0	236	The current CPU load on the server (alpha-smoothed), as a value between 0
185	(none) and 1 (overloaded), indicating how much time is spent on processing	237	(none) and 1 (overloaded), indicating how much time is spent on processing
186	objects per tick. Healthy values are < 0.5.	238	objects per tick. Healthy values are < 0.5.
…		…
195	from wherever your confdir points to.	247	from wherever your confdir points to.
196		248
197	=item cf::wait_for_tick, cf::wait_for_tick_begin	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
198		250
199	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
200	returns directly I<after> the tick processing (and consequently, can only wake one process	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
202		254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$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
203	=item @cf::INVOKE_RESULTS	272	=item @cf::INVOKE_RESULTS
204		273
205	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
206	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
207	that call.	276	that call.
208		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
209	=back	284	=back
210		285
211	=cut	286	=cut
212		287
213	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
214	*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 {
215	my $msg = join "", @_;	295	my $msg = join "", @_;
216		296
217	$msg .= "\n"	297	$msg .= "\n"
218	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
219		299
220	$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;
221		301
222	LOG llevError, $msg;	302	LOG llevWarn, $msg;
223	};	303	};
224	}
225		304
226	$Coro::State::DIEHOOK = sub {	305	$Coro::State::DIEHOOK = sub {
227	return unless $^S eq 0; # "eq", not "=="	306	return unless $^S eq 0; # "eq", not "=="
228		307
229	if ($Coro::current == $Coro::main) {#d#	308	error Carp::longmess $_[0];
		309
		310	if (in_main) {#d#
230	warn "DIEHOOK called in main context, Coro bug?\n";#d#	311	error "DIEHOOK called in main context, Coro bug?\n";#d#
231	return;#d#	312	return;#d#
232	}#d#	313	}#d#
233		314
234	# kill coroutine otherwise	315	# kill coroutine otherwise
235	warn Carp::longmess $_[0];
236	Coro::terminate	316	Coro::terminate
237	};	317	};
238
239	$SIG{__DIE__} = sub { }; #d#?
240		318
241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
258	)) {	336	)) {
259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
260	}	338	}
261		339
262	$EV::DIED = sub {	340	$EV::DIED = sub {
263	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
264	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
265		348
266	#############################################################################	349	#############################################################################
267		350
268	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
269		352
…		…
290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
291	$d	374	$d
292	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
293	}	376	}
294		377
		378	=item $scalar = cf::load_file $path
		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($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
295	=item $ref = cf::decode_json $json	430	=item $ref = cf::decode_json $json
296		431
297	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
298		433
299	=item $json = cf::encode_json $ref	434	=item $json = cf::encode_json $ref
…		…
305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
306		441
307	sub encode_json($) { $json_coder->encode ($_[0]) }	442	sub encode_json($) { $json_coder->encode ($_[0]) }
308	sub decode_json($) { $json_coder->decode ($_[0]) }	443	sub decode_json($) { $json_coder->decode ($_[0]) }
309		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
310	=item cf::lock_wait $string	507	=item cf::lock_wait $string
311		508
312	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
313		510
314	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
315		512
316	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
317	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,
318	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
319	returned.	516	returned.
320		517
321	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
322	deadlocked coro.	519	deadlocked coro.
…		…
328		525
329	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.
330		527
331	=cut	528	=cut
332		529
333	our %LOCK;	530	our $LOCKS = new Coro::SemaphoreSet;
334	our %LOCKER;#d#
335		531
336	sub lock_wait($) {	532	sub lock_wait($) {
337	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
338
339	if ($LOCKER{$key} == $Coro::current) {#d#
340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
341	return;#d#
342	}#d#
343
344	# wait for lock, if any
345	while ($LOCK{$key}) {
346	push @{ $LOCK{$key} }, $Coro::current;
347	Coro::schedule;
348	}
349	}	534	}
350		535
351	sub lock_acquire($) {	536	sub lock_acquire($) {
352	my ($key) = @_;	537	$LOCKS->guard ($_[0])
353
354	# wait, to be sure we are not locked
355	lock_wait $key;
356
357	$LOCK{$key} = [];
358	$LOCKER{$key} = $Coro::current;#d#
359
360	Coro::guard {
361	delete $LOCKER{$key};#d#
362	# wake up all waiters, to be on the safe side
363	$_->ready for @{ delete $LOCK{$key} };
364	}
365	}	538	}
366		539
367	sub lock_active($) {	540	sub lock_active($) {
368	my ($key) = @_;	541	$LOCKS->count ($_[0]) < 1
369
370	! ! $LOCK{$key}
371	}	542	}
372		543
373	sub freeze_mainloop {	544	sub freeze_mainloop {
374	tick_inhibit_inc;	545	tick_inhibit_inc;
375		546
376	Coro::guard \&tick_inhibit_dec;	547	&Guard::guard (\&tick_inhibit_dec);
377	}	548	}
378		549
379	=item cf::periodic $interval, $cb	550	=item cf::periodic $interval, $cb
380		551
381	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
382	get spread over timer.	553	get spread over time.
383		554
384	=cut	555	=cut
385		556
386	sub periodic($$) {	557	sub periodic($$) {
387	my ($interval, $cb) = @_;	558	my ($interval, $cb) = @_;
…		…
391	EV::periodic $start, $interval, 0, $cb	562	EV::periodic $start, $interval, 0, $cb
392	}	563	}
393		564
394	=item cf::get_slot $time[, $priority[, $name]]	565	=item cf::get_slot $time[, $priority[, $name]]
395		566
396	Allocate $time seconds of blocking CPU time at priority C<$priority>:	567	Allocate $time seconds of blocking CPU time at priority C<$priority>
397	This call blocks and returns only when you have at least C<$time> seconds	568	(default: 0): This call blocks and returns only when you have at least
398	of cpu time till the next tick. The slot is only valid till the next cede.	569	C<$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.
399		574
400	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
401	used for statistical purposes and should identify the same time-class.	576	used for statistical purposes and should identify the same time-class.
402		577
403	Useful for short background jobs.	578	Useful for short background jobs.
404		579
405	=cut	580	=cut
406		581
407	our @SLOT_QUEUE;	582	our @SLOT_QUEUE;
408	our $SLOT_QUEUE;	583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
409		585
410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
411	$SLOT_QUEUE = Coro::async {	587	$SLOT_QUEUE = Coro::async {
412	$Coro::current->desc ("timeslot manager");	588	$Coro::current->desc ("timeslot manager");
413		589
414	my $signal = new Coro::Signal;	590	my $signal = new Coro::Signal;
		591	my $busy;
415		592
416	while () {	593	while () {
417	next_job:	594	next_job:
		595
418	my $avail = cf::till_tick;	596	my $avail = cf::till_tick;
419	if ($avail > 0.01) {	597
420	for (0 .. $#SLOT_QUEUE) {	598	for (0 .. $#SLOT_QUEUE) {
421	if ($SLOT_QUEUE[$_][0] < $avail) {	599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
422	my $job = splice @SLOT_QUEUE, $_, 1, ();	601	my $job = splice @SLOT_QUEUE, $_, 1, ();
423	$job->[2]->send;	602	$job->[2]->send;
424	Coro::cede;	603	Coro::cede;
425	goto next_job;	604	goto next_job;
426	}	605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
427	}	607	}
428	}	608	}
429		609
430	if (@SLOT_QUEUE) {	610	if (@SLOT_QUEUE) {
431	# 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
432	push @cf::WAIT_FOR_TICK, $signal;	612	$WAIT_FOR_TICK->wait;
433	$signal->wait;
434	} else {	613	} else {
		614	$busy = 0;
435	Coro::schedule;	615	Coro::schedule;
436	}	616	}
437	}	617	}
438	};	618	};
439		619
440	sub get_slot($;$$) {	620	sub get_slot($;$$) {
441	return if tick_inhibit || $Coro::current == $Coro::main;	621	return if tick_inhibit || $Coro::current == $Coro::main;
442		622
443	my ($time, $pri, $name) = @_;	623	my ($time, $pri, $name) = @_;
444		624
445	$time = $TICK * .6 if $time > $TICK * .6;	625	$time = clamp $time, 0.01, $TICK * .6;
		626
446	my $sig = new Coro::Signal;	627	my $sig = new Coro::Signal;
447		628
448	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	629	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
449	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	630	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
450	$SLOT_QUEUE->ready;	631	$SLOT_QUEUE->ready;
…		…
476	=cut	657	=cut
477		658
478	sub sync_job(&) {	659	sub sync_job(&) {
479	my ($job) = @_;	660	my ($job) = @_;
480		661
481	if ($Coro::current == $Coro::main) {	662	if (in_main) {
482	my $time = EV::time;	663	my $time = AE::time;
483		664
484	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
485	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
486		667
487	LOG llevError, Carp::longmess "sync job";#d#	668	#LOG llevError, Carp::longmess "sync job";#d#
488		669
489	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
490		671
491	my $busy = 1;	672	my $busy = 1;
492	my @res;	673	my @res;
493		674
494	(async {	675	(async {
495	$Coro::current->desc ("sync job coro");	676	$Coro::current->desc ("sync job coro");
496	@res = eval { $job->() };	677	@res = eval { $job->() };
497	warn $@ if $@;	678	error $@ if $@;
498	undef $busy;	679	undef $busy;
499	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
500		681
501	while ($busy) {	682	while ($busy) {
502	if (Coro::nready) {	683	if (Coro::nready) {
…		…
504	} else {	685	} else {
505	EV::loop EV::LOOP_ONESHOT;	686	EV::loop EV::LOOP_ONESHOT;
506	}	687	}
507	}	688	}
508		689
509	my $time = EV::time - $time;	690	my $time = AE::time - $time;
510		691
511	$TICK_START += $time; # do not account sync jobs to server load	692	$TICK_START += $time; # do not account sync jobs to server load
512		693
513	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
514	} else {	695	} else {
…		…
536	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
537		718
538	$coro	719	$coro
539	}	720	}
540		721
541	=item fork_call { }, $args	722	=item fork_call { }, @args
542		723
543	Executes the given code block with the given arguments in a seperate	724	Executes the given code block with the given arguments in a seperate
544	process, returning the results. Everything must be serialisable with	725	process, returning the results. Everything must be serialisable with
545	Coro::Storable. May, of course, block. Note that the executed sub may	726	Coro::Storable. May, of course, block. Note that the executed sub may
546	never block itself or use any form of event handling.	727	never block itself or use any form of event handling.
547		728
548	=cut	729	=cut
549		730
		731	sub post_fork {
		732	reset_signals;
		733	}
		734
550	sub fork_call(&@) {	735	sub fork_call(&@) {
551	my ($cb, @args) = @_;	736	my ($cb, @args) = @_;
552		737
553	# we seemingly have to make a local copy of the whole thing,	738	# we seemingly have to make a local copy of the whole thing,
554	# otherwise perl prematurely frees the stuff :/	739	# otherwise perl prematurely frees the stuff :/
555	# TODO: investigate and fix (likely this will be rather laborious)	740	# TODO: investigate and fix (likely this will be rather laborious)
556		741
557	my @res = Coro::Util::fork_eval {	742	my @res = Coro::Util::fork_eval {
558	reset_signals;	743	cf::post_fork;
559	&$cb	744	&$cb
560	}, @args;	745	} @args;
561		746
562	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	)
563	}	759	}
564		760
565	=item $coin = coin_from_name $name	761	=item $coin = coin_from_name $name
566		762
567	=cut	763	=cut
…		…
604	within each server.	800	within each server.
605		801
606	=cut	802	=cut
607		803
608	sub db_table($) {	804	sub db_table($) {
		805	cf::error "db_get called from main context"
		806	if $Coro::current == $Coro::main;
		807
609	my ($name) = @_;	808	my ($name) = @_;
610	my $db = BDB::db_create $DB_ENV;	809	my $db = BDB::db_create $DB_ENV;
611		810
612	eval {	811	eval {
613	$db->set_flags (BDB::CHKSUM);	812	$db->set_flags (BDB::CHKSUM);
…		…
623	}	822	}
624		823
625	our $DB;	824	our $DB;
626		825
627	sub db_init {	826	sub db_init {
628	cf::sync_job {
629	$DB ||= db_table "db";	827	$DB ||= db_table "db";
630	};
631	}	828	}
632		829
633	sub db_get($$) {	830	sub db_get($$) {
634	my $key = "$_[0]/$_[1]";	831	my $key = "$_[0]/$_[1]";
635		832
636	cf::sync_job {	833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
637	BDB::db_get $DB, undef, $key, my $data;	836	BDB::db_get $DB, undef, $key, my $data;
638		837
639	$! ? ()	838	$! ? ()
640	: $data	839	: $data
641	}
642	}	840	}
643		841
644	sub db_put($$$) {	842	sub db_put($$$) {
645	BDB::dbreq_pri 4;	843	BDB::dbreq_pri 4;
646	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
674		872
675	my @data;	873	my @data;
676	my $md5;	874	my $md5;
677		875
678	for (0 .. $#$src) {	876	for (0 .. $#$src) {
679	0 <= aio_load $src->[$_], $data[$_]	877	$data[$_] = load_file $src->[$_];
680	or Carp::croak "$src->[$_]: $!";
681	}	878	}
682		879
683	# if processing is expensive, check	880	# if processing is expensive, check
684	# checksum first	881	# checksum first
685	if (1) {	882	if (1) {
…		…
702		899
703	my $t1 = Time::HiRes::time;	900	my $t1 = Time::HiRes::time;
704	my $data = $process->(\@data);	901	my $data = $process->(\@data);
705	my $t2 = Time::HiRes::time;	902	my $t2 = Time::HiRes::time;
706		903
707	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
708		905
709	db_put cache => "$id/data", $data;	906	db_put cache => "$id/data", $data;
710	db_put cache => "$id/md5" , $md5;	907	db_put cache => "$id/md5" , $md5;
711	db_put cache => "$id/meta", $meta;	908	db_put cache => "$id/meta", $meta;
712		909
…		…
722		919
723	=cut	920	=cut
724		921
725	sub datalog($@) {	922	sub datalog($@) {
726	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
727	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
728	}	925	}
729		926
730	=back	927	=back
731		928
732	=cut	929	=cut
…		…
927		1124
928	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
929	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
930		1127
931	} elsif (ref $type) {	1128	} elsif (ref $type) {
932	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
933		1130
934	} else {	1131	} else {
935	shift @arg;	1132	shift @arg;
936	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
937	}	1134	}
938	}	1135	}
939	}	1136	}
940		1137
941	sub _object_attach {	1138	sub _object_attach {
…		…
951	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
952	}	1149	}
953		1150
954	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
955	} else {	1152	} else {
956	warn "object uses attachment '$name' which is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
957	}	1154	}
958		1155
959	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
960	}	1157	}
961		1158
…		…
1020		1217
1021	for (@$callbacks) {	1218	for (@$callbacks) {
1022	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
1023		1220
1024	if ($@) {	1221	if ($@) {
1025	warn "$@";
1026	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1027	override;	1223	override;
1028	}	1224	}
1029		1225
1030	return 1 if $override;	1226	return 1 if $override;
1031	}	1227	}
…		…
1110	for (@$attach) {	1306	for (@$attach) {
1111	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
1112	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
1113	}	1309	}
1114	} else {	1310	} else {
1115	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
1116	}	1312	}
1117	}	1313	}
1118	}	1314	}
1119		1315
1120	cf::attachable->attach (	1316	cf::attachable->attach (
…		…
1147	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
1148		1344
1149	sync_job {	1345	sync_job {
1150	if (length $$rdata) {	1346	if (length $$rdata) {
1151	utf8::decode (my $decname = $filename);	1347	utf8::decode (my $decname = $filename);
1152	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
1153	$decname, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
1154		1351
1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1156	aio_chmod $fh, SAVE_MODE;	1353	aio_chmod $fh, SAVE_MODE;
1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1158	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	}
1159	aio_close $fh;	1359	aio_close $fh;
1160		1360
1161	if (@$objs) {	1361	if (@$objs) {
1162	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) {
1163	aio_chmod $fh, SAVE_MODE;	1363	aio_chmod $fh, SAVE_MODE;
1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1165	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
1166	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	}
1167	aio_close $fh;	1370	aio_close $fh;
1168	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
1169	}	1372	}
1170	} else {	1373	} else {
1171	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
1172	}	1375	}
1173		1376
1174	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
1175	} else {	1381	} else {
1176	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
1177	}	1383	}
1178	} else {	1384	} else {
1179	aio_unlink $filename;	1385	aio_unlink $filename;
1180	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
1181	}	1387	}
…		…
1205	my $st = eval { Coro::Storable::thaw $av };	1411	my $st = eval { Coro::Storable::thaw $av };
1206	$av = $st->{objs};	1412	$av = $st->{objs};
1207	}	1413	}
1208		1414
1209	utf8::decode (my $decname = $filename);	1415	utf8::decode (my $decname = $filename);
1210	warn sprintf "loading %s (%d,%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
1211	$decname, length $data, scalar @{$av || []};	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
1212		1419
1213	($data, $av)	1420	($data, $av)
1214	}	1421	}
1215		1422
1216	=head2 COMMAND CALLBACKS	1423	=head2 COMMAND CALLBACKS
…		…
1272	my ($name, $cb) = @_;	1479	my ($name, $cb) = @_;
1273		1480
1274	$EXTICMD{$name} = $cb;	1481	$EXTICMD{$name} = $cb;
1275	}	1482	}
1276		1483
		1484	use File::Glob ();
		1485
1277	cf::player->attach (	1486	cf::player->attach (
1278	on_command => sub {	1487	on_unknown_command => sub {
1279	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
1280		1489
1281	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
1282	or return;	1491	or return;
1283		1492
…		…
1291	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
1292		1501
1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1294		1503
1295	if (ref $msg) {	1504	if (ref $msg) {
1296	my ($type, $reply, @payload) =	1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1297	"ARRAY" eq ref $msg
1298	? @$msg
1299	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1300		1506
1301	my @reply;	1507	my @reply;
1302		1508
1303	if (my $cb = $EXTCMD{$type}) {	1509	if (my $cb = $EXTCMD{$type}) {
1304	@reply = $cb->($pl, @payload);	1510	@reply = $cb->($pl, @payload);
…		…
1306		1512
1307	$pl->ext_reply ($reply, @reply)	1513	$pl->ext_reply ($reply, @reply)
1308	if $reply;	1514	if $reply;
1309		1515
1310	} else {	1516	} else {
1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1312	}	1518	}
1313		1519
1314	cf::override;	1520	cf::override;
1315	},	1521	},
1316	);	1522	);
1317		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
1318	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
1319	cf::sync_job {	1553	cf::sync_job {
1320	my %todo;	1554	my %todo;
1321		1555
1322	for my $path (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
1323	next unless -r $path;	1557	next unless -r $path;
…		…
1341		1575
1342	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1343	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1344		1578
1345	$ext{source} =	1579	$ext{source} =
1346	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1580	"package $pkg; use common::sense;\n"
1347	. "#line 1 \"$path\"\n{\n"	1581	. "#line 1 \"$path\"\n{\n"
1348	. $source	1582	. $source
1349	. "\n};\n1";	1583	. "\n};\n1";
1350		1584
1351	$todo{$base} = \%ext;	1585	$todo{$base} = \%ext;
1352	}	1586	}
1353		1587
		1588	my $pass = 0;
1354	my %done;	1589	my %done;
1355	while (%todo) {	1590	while (%todo) {
1356	my $progress;	1591	my $progress;
1357		1592
		1593	++$pass;
		1594
		1595	ext:
1358	while (my ($k, $v) = each %todo) {	1596	while (my ($k, $v) = each %todo) {
1359	for (split /,\s*/, $v->{meta}{depends}) {	1597	for (split /,\s*/, $v->{meta}{depends}) {
1360	goto skip	1598	next ext
1361	unless exists $done{$_};	1599	unless exists $done{$_};
1362	}	1600	}
1363		1601
1364	warn "... loading '$k' into '$v->{pkg}'\n";	1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1365		1603
1366	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 $@) {
1367	my $msg = $@ ? "$v->{path}: $@\n"	1616	error "$v->{path}: $@\n";
1368	: "$v->{base}: extension inactive.\n";
1369		1617
1370	if (exists $v->{meta}{mandatory}) {
1371	warn $msg;
1372	cf::cleanup "mandatory extension failed to load, exiting.";	1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1373	}	1619	if exists $v->{meta}{mandatory};
1374		1620
1375	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;
1376	}	1630	}
1377
1378	$done{$k} = delete $todo{$k};
1379	push @EXTS, $v->{pkg};
1380	$progress = 1;
1381	}	1631	}
1382		1632
1383	skip:	1633	unless ($progress) {
1384	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1385	unless $progress;	1635
		1636	while (my ($k, $v) = each %todo) {
		1637	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1638	if exists $v->{meta}{mandatory};
		1639	}
		1640
		1641	last;
		1642	}
1386	}	1643	}
1387	};	1644	};
1388	}	1645	}
1389		1646
1390	#############################################################################	1647	#############################################################################
…		…
1444		1701
1445	sub exists($) {	1702	sub exists($) {
1446	my ($login) = @_;	1703	my ($login) = @_;
1447		1704
1448	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1449	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1450	}	1707	}
1451		1708
1452	sub find($) {	1709	sub find($) {
1453	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1454	my $login = $_[0];	1711	my $login = $_[0];
…		…
1474	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1475	}	1732	}
1476	}	1733	}
1477	}	1734	}
1478		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($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
1479	sub save($) {	1749	sub save($) {
1480	my ($pl) = @_;	1750	my ($pl) = @_;
1481		1751
1482	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
1483		1753
…		…
1488		1758
1489	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1490	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1491		1761
1492	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];
1493		1766
1494	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1495	cf::cede_to_tick;	1768	cf::cede_to_tick;
1496	}	1769	}
1497		1770
…		…
1531	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1532		1805
1533	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1534	$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
1535		1808
1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1537	$pl->deactivate;	1810	$pl->deactivate;
		1811
1538	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;
1539	$pl->ob->check_score;
1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1541	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1542		1817
1543	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1544	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1545	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1599	\@logins	1874	\@logins
1600	}	1875	}
1601		1876
1602	=item $player->maps	1877	=item $player->maps
1603		1878
		1879	=item cf::player::maps $login
		1880
1604	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1605	player. May block.	1882	player. May block.
1606		1883
1607	=cut	1884	=cut
1608		1885
…		…
1670	=cut	1947	=cut
1671		1948
1672	sub find_by_path($) {	1949	sub find_by_path($) {
1673	my ($path) = @_;	1950	my ($path) = @_;
1674		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
		1953
1675	my ($match, $specificity);	1954	my ($match, $specificity);
1676		1955
1677	for my $region (list) {	1956	for my $region (list) {
1678	if ($region->{match} && $path =~ $region->{match}) {	1957	if ($region->{match} && $path =~ $region->{match}) {
1679	($match, $specificity) = ($region, $region->specificity)	1958	($match, $specificity) = ($region, $region->specificity)
…		…
1707	sub generate_random_map {	1986	sub generate_random_map {
1708	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1709		1988
1710	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
1711		1990
1712	# mit "rum" bekleckern, nicht
1713	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1717	$rmp->{exit_on_final_map},
1718	$rmp->{xsize}, $rmp->{ysize},
1719	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1720	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1721	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1722	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1723	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1724	(cf::region::find $rmp->{region}), $rmp->{custom}
1725	)
1726	}	1992	}
1727		1993
1728	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1729		1995
1730	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
…		…
1735		2001
1736	sub register {	2002	sub register {
1737	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1738	my $pkg = caller;	2004	my $pkg = caller;
1739		2005
1740	no strict;
1741	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1742		2007
1743	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1744	}	2009	}
1745		2010
1746	# also paths starting with '/'	2011	# also paths starting with '/'
1747	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1748		2013
1749	sub thawer_merge {	2014	sub thawer_merge {
1750	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1751		2016
1752	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
…		…
1757	}	2022	}
1758		2023
1759	sub normalise {	2024	sub normalise {
1760	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1761		2026
1762	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1763		2028
1764	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1765		2030
1766	# map plan:	2031	# map plan:
1767	#	2032	#
…		…
1782	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1783	$path = "$base/$path";	2048	$path = "$base/$path";
1784	}	2049	}
1785		2050
1786	for ($path) {	2051	for ($path) {
1787	redo if s{//}{/};
1788	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1789	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1790	}	2054	}
1791		2055
1792	$path	2056	$path
…		…
1806	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1807	return $self;	2071	return $self;
1808	}	2072	}
1809	}	2073	}
1810		2074
1811	Carp::cluck "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1812	()	2076	()
1813	}	2077	}
1814		2078
		2079	# may re-bless or do other evil things
1815	sub init {	2080	sub init {
1816	my ($self) = @_;	2081	my ($self) = @_;
1817		2082
1818	$self	2083	$self
1819	}	2084	}
…		…
1850		2115
1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1852	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1853	}	2118	}
1854		2119
1855	# and all this just because we cannot iterate over
1856	# all maps in C++...
1857	sub change_all_map_light {
1858	my ($change) = @_;
1859
1860	$_->change_map_light ($change)
1861	for grep $_->outdoor, values %cf::MAP;
1862	}
1863
1864	sub decay_objects {	2120	sub decay_objects {
1865	my ($self) = @_;	2121	my ($self) = @_;
1866		2122
1867	return if $self->{deny_reset};	2123	return if $self->{deny_reset};
1868		2124
…		…
1893	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1894		2150
1895	1	2151	1
1896	}	2152	}
1897		2153
		2154	# used to laod the header of an original map
1898	sub load_header_orig {	2155	sub load_header_orig {
1899	my ($self) = @_;	2156	my ($self) = @_;
1900		2157
1901	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1902	}	2159	}
1903		2160
		2161	# used to laod the header of an instantiated map
1904	sub load_header_temp {	2162	sub load_header_temp {
1905	my ($self) = @_;	2163	my ($self) = @_;
1906		2164
1907	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1908	}	2166	}
1909		2167
		2168	# called after loading the header from an instantiated map
1910	sub prepare_temp {	2169	sub prepare_temp {
1911	my ($self) = @_;	2170	my ($self) = @_;
1912		2171
1913	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1914	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1915	# safety	2174	# safety
1916	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1917	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1918	}	2177	}
1919		2178
		2179	# called after loading the header from an original map
1920	sub prepare_orig {	2180	sub prepare_orig {
1921	my ($self) = @_;	2181	my ($self) = @_;
1922		2182
1923	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1924	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1948		2208
1949	sub find;	2209	sub find;
1950	sub find {	2210	sub find {
1951	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1952		2212
		2213	cf::cede_to_tick;
		2214
1953	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1954		2216
1955	cf::lock_wait "map_data:$path";#d#remove	2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1956	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1957		2219
1958	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1960	my $guard2 = cf::lock_acquire "map_find:$path";
1961
1962	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1963	or return;	2222	or return;
1964		2223
1965	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1966		2225
…		…
1978		2237
1979	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1980	}	2239	}
1981	}	2240	}
1982		2241
1983	sub pre_load { }	2242	sub pre_load { }
1984	sub post_load { }	2243	#sub post_load { } # XS
1985		2244
1986	sub load {	2245	sub load {
1987	my ($self) = @_;	2246	my ($self) = @_;
1988		2247
1989	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1992		2251
1993	{	2252	{
1994	my $guard = cf::lock_acquire "map_data:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1995		2254
1996	return unless $self->valid;	2255	return unless $self->valid;
1997	return unless $self->in_memory == cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
1998
1999	$self->in_memory (cf::MAP_LOADING);
2000		2257
2001	$self->alloc;	2258	$self->alloc;
2002		2259
2003	$self->pre_load;	2260	$self->pre_load;
2004	cf::cede_to_tick;	2261	cf::cede_to_tick;
2005		2262
		2263	if (exists $self->{load_path}) {
2006	my $f = new_from_file cf::object::thawer $self->{load_path};	2264	my $f = new_from_file cf::object::thawer $self->{load_path};
2007	$f->skip_block;	2265	$f->skip_block;
2008	$self->_load_objects ($f)	2266	$self->_load_objects ($f)
2009	or return;	2267	or return;
2010		2268
2011	$self->post_load_original	2269	$self->post_load_original
2012	if delete $self->{load_original};	2270	if delete $self->{load_original};
2013		2271
2014	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
2015	utf8::encode $uniq;	2273	utf8::encode $uniq;
2016	unless (aio_stat $uniq) {	2274	unless (aio_stat $uniq) {
2017	if (my $f = new_from_file cf::object::thawer $uniq) {	2275	if (my $f = new_from_file cf::object::thawer $uniq) {
2018	$self->clear_unique_items;	2276	$self->clear_unique_items;
2019	$self->_load_objects ($f);	2277	$self->_load_objects ($f);
2020	$f->resolve_delayed_derefs;	2278	$f->resolve_delayed_derefs;
		2279	}
2021	}	2280	}
2022	}	2281	}
2023	}
2024		2282
2025	$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);
2026		2290
2027	cf::cede_to_tick;	2291	cf::cede_to_tick;
2028	# now do the right thing for maps	2292	# now do the right thing for maps
2029	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
2030	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
…		…
2034	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
2035	$self->decay_objects;	2299	$self->decay_objects;
2036	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
2037	$self->update_buttons;	2301	$self->update_buttons;
2038	cf::cede_to_tick;	2302	cf::cede_to_tick;
2039	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
2040	cf::cede_to_tick;
2041	$self->activate;
2042	}	2304	}
2043		2305
2044	$self->{last_save} = $cf::RUNTIME;	2306	$self->{last_save} = $cf::RUNTIME;
2045	$self->last_access ($cf::RUNTIME);	2307	$self->last_access ($cf::RUNTIME);
2046
2047	$self->in_memory (cf::MAP_ACTIVE);
2048	}	2308	}
2049		2309
2050	$self->post_load;	2310	$self->post_load;
2051	}
2052		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
2053	sub customise_for {	2318	sub customise_for {
2054	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
2055		2320
2056	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
2057	if $self->per_player;	2322	if $self->per_player;
…		…
2060	# if $self->per_party;	2325	# if $self->per_party;
2061		2326
2062	$self	2327	$self
2063	}	2328	}
2064		2329
2065	# find and load all maps in the 3x3 area around a map
2066	sub load_neighbours {
2067	my ($map) = @_;
2068
2069	my @neigh; # diagonal neighbours
2070
2071	for (0 .. 3) {
2072	my $neigh = $map->tile_path ($_)
2073	or next;
2074	$neigh = find $neigh, $map
2075	or next;
2076	$neigh->load;
2077
2078	push @neigh,
2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2081	}
2082
2083	for (grep defined $_->[0], @neigh) {
2084	my ($path, $origin) = @$_;
2085	my $neigh = find $path, $origin
2086	or next;
2087	$neigh->load;
2088	}
2089	}
2090
2091	sub find_sync {	2330	sub find_sync {
2092	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
2093		2332
2094	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, $origin
2095	}	2338	}
2096		2339
2097	sub do_load_sync {	2340	sub do_load_sync {
2098	my ($map) = @_;	2341	my ($map) = @_;
2099		2342
		2343	# it's a bug to call this from the main context
2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2101	if $Coro::current == $Coro::main;	2345	if $Coro::current == $Coro::main;
2102		2346
2103	cf::sync_job { $map->load };	2347	$map->load;
2104	}	2348	}
2105		2349
2106	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
2107	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
2108		2352
2109	sub find_async {	2353	sub find_async {
2110	my ($path, $origin, $load) = @_;	2354	my ($path, $origin, $load) = @_;
2111		2355
2112	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
2113		2357
2114	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2359	return $map if !$load || $map->linkable;
2116	}	2360	}
2117		2361
2118	$MAP_PREFETCH{$path} |= $load;	2362	$MAP_PREFETCH{$path} |= $load;
2119		2363
2120	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
…		…
2134	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
2135		2379
2136	()	2380	()
2137	}	2381	}
2138		2382
		2383	# common code, used by both ->save and ->swapout
2139	sub save {	2384	sub _save {
2140	my ($self) = @_;	2385	my ($self) = @_;
2141
2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
2143		2386
2144	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
2145		2388
2146	return unless $self->dirty;	2389	return unless $self->dirty;
2147		2390
…		…
2167	} else {	2410	} else {
2168	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2169	}	2412	}
2170	}	2413	}
2171		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
2172	sub swap_out {	2423	sub swap_out {
2173	my ($self) = @_;	2424	my ($self) = @_;
2174		2425
2175	# save first because save cedes
2176	$self->save;
2177
2178	my $lock = cf::lock_acquire "map_data:$self->{path}";	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
2179		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
2180	return if $self->players;	2430	return if $self->players;
2181	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
2182	return if $self->{deny_save};	2448	return 1e99 if $self->{deny_reset};
2183		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
2184	$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};
2185		2482
2186	$self->deactivate;	2483	$self->deactivate;
2187	$_->clear_links_to ($self) for values %cf::MAP;	2484	$_->clear_links_to ($self) for values %cf::MAP;
2188	$self->clear;	2485	$self->clear;
2189	}
2190
2191	sub reset_at {
2192	my ($self) = @_;
2193
2194	# TODO: safety, remove and allow resettable per-player maps
2195	return 1e99 if $self->{deny_reset};
2196
2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2199
2200	$time + $to
2201	}
2202
2203	sub should_reset {
2204	my ($self) = @_;
2205
2206	$self->reset_at <= $cf::RUNTIME
2207	}
2208
2209	sub reset {
2210	my ($self) = @_;
2211
2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
2213
2214	return if $self->players;
2215
2216	warn "resetting map ", $self->path;
2217
2218	$self->in_memory (cf::MAP_SWAPPED);
2219
2220	# need to save uniques path
2221	unless ($self->{deny_save}) {
2222	my $uniq = $self->uniq_path; utf8::encode $uniq;
2223
2224	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2225	if $uniq;
2226	}
2227
2228	delete $cf::MAP{$self->path};
2229
2230	$self->deactivate;
2231	$_->clear_links_to ($self) for values %cf::MAP;
2232	$self->clear;
2233		2486
2234	$self->unlink_save;	2487	$self->unlink_save;
2235	$self->destroy;	2488	$self->destroy;
2236	}	2489	}
2237		2490
…		…
2245		2498
2246	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
2247		2500
2248	$self->unlink_save;	2501	$self->unlink_save;
2249		2502
2250	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
2251	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
2252	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
2253	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2255		2508
…		…
2312	: normalise $_	2565	: normalise $_
2313	} @{ aio_readdir $UNIQUEDIR or [] }	2566	} @{ aio_readdir $UNIQUEDIR or [] }
2314	]	2567	]
2315	}	2568	}
2316		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
2317	=back	2602	=back
2318		2603
2319	=head3 cf::object	2604	=head3 cf::object
2320		2605
2321	=cut	2606	=cut
…		…
2386		2671
2387	our $SAY_CHANNEL = {	2672	our $SAY_CHANNEL = {
2388	id => "say",	2673	id => "say",
2389	title => "Map",	2674	title => "Map",
2390	reply => "say ",	2675	reply => "say ",
2391	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.",
2392	};	2677	};
2393		2678
2394	our $CHAT_CHANNEL = {	2679	our $CHAT_CHANNEL = {
2395	id => "chat",	2680	id => "chat",
2396	title => "Chat",	2681	title => "Chat",
…		…
2453		2738
2454	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}>).
2455		2740
2456	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.
2457	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,
2458	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
2459	map.	2744	map.
2460		2745
2461	Will never block.	2746	Will never block.
2462		2747
2463	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
…		…
2484	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
2485	my ($self) = @_;	2770	my ($self) = @_;
2486		2771
2487	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
2488		2773
		2774	++$self->{_link_recursion};
		2775
2489	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
2490		2777
2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2492	if $self->map && $self->map->{path} ne "{link}";	2779	if $self->map && $self->map->{path} ne "{link}";
2493		2780
2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2495	}	2782	}
2496		2783
2497	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
2498	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
2499		2786
…		…
2516	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
2517	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
2518		2805
2519	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
2520	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
2521	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
2522		2809
2523	$map->load;	2810	$map->load;
2524	$map->load_neighbours;
2525		2811
2526	return unless $self->contr->active;	2812	return unless $self->contr->active;
2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2528	$self->activate_recursive;
2529		2813
2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2531	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
2532	}	2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
		2819	$self->activate_recursive;
		2820	}
2533		2821
		2822	}
		2823
2534	=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)]])
2535		2825
2536	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
2537	her, loading and preparing them map, calling the provided $check callback	2827	her, loading and preparing them map, calling the provided $check callback
2538	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
2539	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
…		…
2546		2836
2547	our $GOTOGEN;	2837	our $GOTOGEN;
2548		2838
2549	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
2550	my ($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	}
2551		2847
2552	# 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
2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2554		2850
2555	$self->enter_link;	2851	$self->enter_link;
…		…
2575	($path, $x, $y) = (undef, undef, undef);	2871	($path, $x, $y) = (undef, undef, undef);
2576	}	2872	}
2577	}	2873	}
2578		2874
2579	my $map = eval {	2875	my $map = eval {
2580	my $map = defined $path ? cf::map::find $path : undef;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2581		2877
2582	if ($map) {	2878	if ($map) {
2583	$map = $map->customise_for ($self);	2879	$map = $map->customise_for ($self);
2584	$map = $check->($map) if $check && $map;	2880	$map = $check->($map, $x, $y, $self) if $check && $map;
2585	} else {	2881	} else {
2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2587	}	2883	}
2588		2884
2589	$map	2885	$map
…		…
2597	if ($gen == $self->{_goto_generation}) {	2893	if ($gen == $self->{_goto_generation}) {
2598	delete $self->{_goto_generation};	2894	delete $self->{_goto_generation};
2599	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
2600	}	2896	}
2601		2897
2602	$done->() if $done;	2898	$done->($self) if $done;
2603	})->prio (1);	2899	})->prio (1);
2604	}	2900	}
2605		2901
2606	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
2607		2903
…		…
2675	$Coro::current->{desc} = "enter_exit";	2971	$Coro::current->{desc} = "enter_exit";
2676		2972
2677	unless (eval {	2973	unless (eval {
2678	$self->deactivate_recursive; # just to be sure	2974	$self->deactivate_recursive; # just to be sure
2679		2975
2680	# random map handling
2681	{
2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
2683
2684	prepare_random_map $exit
2685	if $exit->slaying eq "/!";
2686	}
2687
2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2976	my $map = cf::map::normalise $exit->slaying, $exit->map;
2689	my $x = $exit->stats->hp;	2977	my $x = $exit->stats->hp;
2690	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	}
2691		3002
2692	$self->goto ($map, $x, $y);	3003	$self->goto ($map, $x, $y);
2693		3004
2694	# if exit is damned, update players death & WoR home-position	3005	# if exit is damned, update players death & WoR home-position
2695	$self->contr->savebed ($map, $x, $y)	3006	$self->contr->savebed ($map, $x, $y)
…		…
2700	$self->message ("Something went wrong deep within the deliantra server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2701	. "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. "
2702	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2703	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2704		3015
2705	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2706	$self->leave_link;	3017	$self->leave_link;
2707	}	3018	}
2708	})->prio (1);	3019	})->prio (1);
2709	}	3020	}
2710		3021
…		…
2722	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
2723	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
2724		3035
2725	utf8::encode $text;	3036	utf8::encode $text;
2726	$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);
2727	}	3063	}
2728		3064
2729	=item $client->send_msg ($channel, $msg, $color, [extra...])	3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
2730		3066
2731	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
…		…
2735		3071
2736	=cut	3072	=cut
2737		3073
2738	# non-persistent channels (usually the info channel)	3074	# non-persistent channels (usually the info channel)
2739	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	},
2740	"c/identify" => {	3082	"c/identify" => {
2741	id => "infobox",	3083	id => "infobox",
2742	title => "Identify",	3084	title => "Identify",
2743	reply => undef,	3085	reply => undef,
2744	tooltip => "Items recently identified",	3086	tooltip => "Items recently identified",
…		…
2746	"c/examine" => {	3088	"c/examine" => {
2747	id => "infobox",	3089	id => "infobox",
2748	title => "Examine",	3090	title => "Examine",
2749	reply => undef,	3091	reply => undef,
2750	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",
2751	},	3099	},
2752	"c/book" => {	3100	"c/book" => {
2753	id => "infobox",	3101	id => "infobox",
2754	title => "Book",	3102	title => "Book",
2755	reply => undef,	3103	reply => undef,
…		…
2771	id => "infobox",	3119	id => "infobox",
2772	title => "Body Parts",	3120	title => "Body Parts",
2773	reply => undef,	3121	reply => undef,
2774	tooltip => "Shows which body parts you posess and are available",	3122	tooltip => "Shows which body parts you posess and are available",
2775	},	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	},
2776	"c/uptime" => {	3160	"c/uptime" => {
2777	id => "infobox",	3161	id => "infobox",
2778	title => "Uptime",	3162	title => "Uptime",
2779	reply => undef,	3163	reply => undef,
2780	tooltip => "How long the server has been running since last restart",	3164	tooltip => "How long the server has been running since last restart",
…		…
2789	id => "party",	3173	id => "party",
2790	title => "Party",	3174	title => "Party",
2791	reply => "gsay ",	3175	reply => "gsay ",
2792	tooltip => "Messages and chat related to your party",	3176	tooltip => "Messages and chat related to your party",
2793	},	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" => $CHAT_CHANNEL,
2794	);	3186	);
2795		3187
2796	sub cf::client::send_msg {	3188	sub cf::client::send_msg {
2797	my ($self, $channel, $msg, $color, @extra) = @_;	3189	my ($self, $channel, $msg, $color, @extra) = @_;
2798		3190
…		…
2803		3195
2804	# check predefined channels, for the benefit of C	3196	# check predefined channels, for the benefit of C
2805	if ($CHANNEL{$channel}) {	3197	if ($CHANNEL{$channel}) {
2806	$channel = $CHANNEL{$channel};	3198	$channel = $CHANNEL{$channel};
2807		3199
2808	$self->ext_msg (channel_info => $channel)	3200	$self->ext_msg (channel_info => $channel);
2809	if $self->can_msg;
2810
2811	$channel = $channel->{id};	3201	$channel = $channel->{id};
2812		3202
2813	} elsif (ref $channel) {	3203	} elsif (ref $channel) {
2814	# send meta info to client, if not yet sent	3204	# send meta info to client, if not yet sent
2815	unless (exists $self->{channel}{$channel->{id}}) {	3205	unless (exists $self->{channel}{$channel->{id}}) {
2816	$self->{channel}{$channel->{id}} = $channel;	3206	$self->{channel}{$channel->{id}} = $channel;
2817	$self->ext_msg (channel_info => $channel)	3207	$self->ext_msg (channel_info => $channel);
2818	if $self->can_msg;
2819	}	3208	}
2820		3209
2821	$channel = $channel->{id};	3210	$channel = $channel->{id};
2822	}	3211	}
2823		3212
2824	return unless @extra || length $msg;	3213	return unless @extra || length $msg;
2825		3214
2826	if ($self->can_msg) {
2827	# default colour, mask it out	3215	# default colour, mask it out
2828	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2829	if $color & cf::NDI_DEF;	3217	if $color & cf::NDI_DEF;
2830		3218
2831	my $pkt = "msg "	3219	my $pkt = "msg "
2832	. $self->{json_coder}->encode (	3220	. $self->{json_coder}->encode (
2833	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2834	);	3222	);
2835		3223
2836	# try lzf for large packets
2837	$pkt = "lzf " . Compress::LZF::compress $pkt
2838	if 1024 <= length $pkt and $self->{can_lzf};
2839
2840	# split very large packets
2841	if (8192 < length $pkt and $self->{can_lzf}) {
2842	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2843	$pkt = "frag";
2844	}
2845
2846	$self->send_packet ($pkt);	3224	$self->send_big_packet ($pkt);
2847	} else {
2848	if ($color >= 0) {
2849	# replace some tags by gcfclient-compatible ones
2850	for ($msg) {
2851	1 while
2852	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2853	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2854	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2855	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2856	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2857	}
2858
2859	$color &= cf::NDI_COLOR_MASK;
2860
2861	utf8::encode $msg;
2862
2863	if (0 && $msg =~ /\[/) {
2864	# COMMAND/INFO
2865	$self->send_packet ("drawextinfo $color 10 8 $msg")
2866	} else {
2867	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2868	$self->send_packet ("drawinfo $color $msg")
2869	}
2870	}
2871	}
2872	}	3225	}
2873		3226
2874	=item $client->ext_msg ($type, @msg)	3227	=item $client->ext_msg ($type, @msg)
2875		3228
2876	Sends an ext event to the client.	3229	Sends an ext event to the client.
…		…
2879		3232
2880	sub cf::client::ext_msg($$@) {	3233	sub cf::client::ext_msg($$@) {
2881	my ($self, $type, @msg) = @_;	3234	my ($self, $type, @msg) = @_;
2882		3235
2883	if ($self->extcmd == 2) {	3236	if ($self->extcmd == 2) {
2884	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2885	} elsif ($self->extcmd == 1) { # TODO: remove	3238	} elsif ($self->extcmd == 1) { # TODO: remove
2886	push @msg, msgtype => "event_$type";	3239	push @msg, msgtype => "event_$type";
2887	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2888	}	3241	}
2889	}	3242	}
2890		3243
2891	=item $client->ext_reply ($msgid, @msg)	3244	=item $client->ext_reply ($msgid, @msg)
2892		3245
…		…
2895	=cut	3248	=cut
2896		3249
2897	sub cf::client::ext_reply($$@) {	3250	sub cf::client::ext_reply($$@) {
2898	my ($self, $id, @msg) = @_;	3251	my ($self, $id, @msg) = @_;
2899		3252
2900	if ($self->extcmd == 2) {	3253	return unless $self->extcmd == 2;
		3254
2901	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2902	} elsif ($self->extcmd == 1) {
2903	#TODO: version 1, remove
2904	unshift @msg, msgtype => "reply", msgid => $id;
2905	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2906	}
2907	}	3256	}
2908		3257
2909	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2910		3259
2911	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
…		…
2966	my ($ns, $buf) = @_;	3315	my ($ns, $buf) = @_;
2967		3316
2968	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2969		3318
2970	if (ref $msg) {	3319	if (ref $msg) {
2971	my ($type, $reply, @payload) =	3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2972	"ARRAY" eq ref $msg
2973	? @$msg
2974	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2975		3321
2976	my @reply;	3322	my @reply;
2977		3323
2978	if (my $cb = $EXTICMD{$type}) {	3324	if (my $cb = $EXTICMD{$type}) {
2979	@reply = $cb->($ns, @payload);	3325	@reply = $cb->($ns, @payload);
…		…
2981		3327
2982	$ns->ext_reply ($reply, @reply)	3328	$ns->ext_reply ($reply, @reply)
2983	if $reply;	3329	if $reply;
2984		3330
2985	} else {	3331	} else {
2986	warn "client " . ($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";
2987	}	3333	}
2988		3334
2989	cf::override;	3335	cf::override;
2990	},	3336	},
2991	);	3337	);
…		…
3011		3357
3012	$coro	3358	$coro
3013	}	3359	}
3014		3360
3015	cf::client->attach (	3361	cf::client->attach (
3016	on_destroy => sub {	3362	on_client_destroy => sub {
3017	my ($ns) = @_;	3363	my ($ns) = @_;
3018		3364
3019	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3020	},	3366	},
3021	);	3367	);
…		…
3037	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
3038		3384
3039	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
3040		3386
3041	$safe->permit_only (Opcode::opset qw(	3387	$safe->permit_only (Opcode::opset qw(
3042	:base_core :base_mem :base_orig :base_math	3388	:base_core :base_mem :base_orig :base_math :base_loop
3043	grepstart grepwhile mapstart mapwhile	3389	grepstart grepwhile mapstart mapwhile
3044	sort time	3390	sort time
3045	));	3391	));
3046		3392
3047	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
…		…
3051	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
3052		3398
3053	cf::object	3399	cf::object
3054	contr pay_amount pay_player map x y force_find force_add destroy	3400	contr pay_amount pay_player map x y force_find force_add destroy
3055	insert remove name archname title slaying race decrease split	3401	insert remove name archname title slaying race decrease split
		3402	value
3056		3403
3057	cf::object::player	3404	cf::object::player
3058	player	3405	player
3059		3406
3060	cf::player	3407	cf::player
…		…
3066	=cut	3413	=cut
3067		3414
3068	for (	3415	for (
3069	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3070	insert remove inv nrof name archname title slaying race	3417	insert remove inv nrof name archname title slaying race
3071	decrease split destroy change_exp)],	3418	decrease split destroy change_exp value msg lore send_msg)],
3072	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
3073	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
3074	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
3075	) {	3422	) {
3076	no strict 'refs';
3077	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
3078	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3079	for @funs;	3425	for @funs;
3080	}	3426	}
3081		3427
…		…
3096		3442
3097	my $qcode = $code;	3443	my $qcode = $code;
3098	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3099	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
3100		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
3101	local $_;	3450	local $_;
3102	local @safe::cf::_safe_eval_args = values %vars;
3103		3451
3104	my $eval =	3452	my $eval =
3105	"do {\n"	3453	"do {\n"
3106	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3107	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
3108	. $code	3456	. $code
3109	. "\n}"	3457	. "\n}"
3110	;	3458	;
3111		3459
		3460	if ($CFG{safe_eval}) {
3112	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
3113	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3114	sub_generation_inc;	3464	sub_generation_inc;
		3465	} else {
		3466	local @cf::_safe_eval_args = values %vars;
		3467	@res = wantarray ? eval eval : scalar eval $eval;
		3468	}
3115		3469
3116	if ($@) {	3470	if ($@) {
3117	warn "$@";	3471	warn "$@",
3118	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
3119	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
3120	}	3474	}
3121		3475
3122	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
3123	}	3477	}
3124		3478
…		…
3138	=cut	3492	=cut
3139		3493
3140	sub register_script_function {	3494	sub register_script_function {
3141	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
3142		3496
3143	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
3144	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
3145	}	3499	}
3146		3500
3147	=back	3501	=back
3148		3502
3149	=cut	3503	=cut
3150		3504
3151	#############################################################################	3505	#############################################################################
3152	# 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
3153		3509
3154	sub load_facedata($) {	3510	sub load_facedata($) {
3155	my ($path) = @_;	3511	my ($path) = @_;
3156		3512
3157	# 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
3158	# for this (global event?)	3514	# for this (global event?)
3159	%ext::player_env::MUSIC_FACE_CACHE = ();	3515	%ext::player_env::MUSIC_FACE_CACHE = ();
3160		3516
3161	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3162		3518
3163	warn "loading facedata from $path\n";	3519	trace "loading facedata from $path\n";
3164		3520
3165	my $facedata;	3521	my $facedata = decode_storable load_file $path;
3166	0 < aio_load $path, $facedata
3167	or die "$path: $!";
3168
3169	$facedata = Coro::Storable::thaw $facedata;
3170		3522
3171	$facedata->{version} == 2	3523	$facedata->{version} == 2
3172	or cf::cleanup "$path: version mismatch, cannot proceed.";	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
3173		3525
3174	# 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]);
3175	$facedata->{resource}{"res/exp_table"} = {	3528	$facedata->{resource}{"res/exp_table"} = {
3176	type => FT_RSRC,	3529	type => FT_RSRC,
3177	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),
3178	};	3532	};
3179	cf::cede_to_tick;	3533	cf::cede_to_tick;
3180		3534
3181	{	3535	{
3182	my $faces = $facedata->{faceinfo};	3536	my $faces = $facedata->{faceinfo};
…		…
3184	while (my ($face, $info) = each %$faces) {	3538	while (my ($face, $info) = each %$faces) {
3185	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3539	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3186		3540
3187	cf::face::set_visibility $idx, $info->{visibility};	3541	cf::face::set_visibility $idx, $info->{visibility};
3188	cf::face::set_magicmap $idx, $info->{magicmap};	3542	cf::face::set_magicmap $idx, $info->{magicmap};
3189	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3543	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3190	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3544	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3545	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3546	$FACEHASH{$info->{hash64}} = $idx;#d#
3191		3547
3192	cf::cede_to_tick;	3548	cf::cede_to_tick;
3193	}	3549	}
3194		3550
3195	while (my ($face, $info) = each %$faces) {	3551	while (my ($face, $info) = each %$faces) {
…		…
3200		3556
3201	if (my $smooth = cf::face::find $info->{smooth}) {	3557	if (my $smooth = cf::face::find $info->{smooth}) {
3202	cf::face::set_smooth $idx, $smooth;	3558	cf::face::set_smooth $idx, $smooth;
3203	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3559	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3204	} else {	3560	} else {
3205	warn "smooth face '$info->{smooth}' not found for face '$face'";	3561	error "smooth face '$info->{smooth}' not found for face '$face'";
3206	}	3562	}
3207		3563
3208	cf::cede_to_tick;	3564	cf::cede_to_tick;
3209	}	3565	}
3210	}	3566	}
…		…
3219		3575
3220	cf::anim::invalidate_all; # d'oh	3576	cf::anim::invalidate_all; # d'oh
3221	}	3577	}
3222		3578
3223	{	3579	{
3224	# TODO: for gcfclient pleasure, we should give resources
3225	# that gcfclient doesn't grok a >10000 face index.
3226	my $res = $facedata->{resource};	3580	my $res = $facedata->{resource};
3227		3581
3228	while (my ($name, $info) = each %$res) {	3582	while (my ($name, $info) = each %$res) {
3229	if (defined $info->{type}) {	3583	if (defined (my $type = $info->{type})) {
		3584	# TODO: different hash - must free and use new index, or cache ixface data queue
3230	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3585	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3231	my $data;
3232		3586
3233	if ($info->{type} & 1) {	3587	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3234	# prepend meta info
3235
3236	my $meta = $enc->encode ({
3237	name => $name,
3238	%{ $info->{meta} || {} },
3239	});
3240
3241	$data = pack "(w/a*)*", $meta, $info->{data};
3242	} else {
3243	$data = $info->{data};
3244	}
3245
3246	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3247	cf::face::set_type $idx, $info->{type};	3588	cf::face::set_type $idx, $type;
		3589	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3590	$FACEHASH{$info->{hash}} = $idx;#d#
3248	} else {	3591	} else {
3249	$RESOURCE{$name} = $info;	3592	# $RESOURCE{$name} = $info; # unused
3250	}	3593	}
3251		3594
3252	cf::cede_to_tick;	3595	cf::cede_to_tick;
3253	}	3596	}
3254	}	3597	}
3255		3598
3256	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3599	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3257		3600
3258	1	3601	1
3259	}	3602	}
3260
3261	cf::global->attach (on_resource_update => sub {
3262	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3263	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3264
3265	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3266	my $sound = $soundconf->{compat}[$_]
3267	or next;
3268
3269	my $face = cf::face::find "sound/$sound->[1]";
3270	cf::sound::set $sound->[0] => $face;
3271	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3272	}
3273
3274	while (my ($k, $v) = each %{$soundconf->{event}}) {
3275	my $face = cf::face::find "sound/$v";
3276	cf::sound::set $k => $face;
3277	}
3278	}
3279	});
3280		3603
3281	register_exticmd fx_want => sub {	3604	register_exticmd fx_want => sub {
3282	my ($ns, $want) = @_;	3605	my ($ns, $want) = @_;
3283		3606
3284	while (my ($k, $v) = each %$want) {	3607	while (my ($k, $v) = each %$want) {
…		…
3323	sub reload_treasures {	3646	sub reload_treasures {
3324	load_resource_file "$DATADIR/treasures"	3647	load_resource_file "$DATADIR/treasures"
3325	or die "unable to load treasurelists\n";	3648	or die "unable to load treasurelists\n";
3326	}	3649	}
3327		3650
		3651	sub reload_sound {
		3652	trace "loading sound config from $DATADIR/sound\n";
		3653
		3654	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3655
		3656	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3657	my $sound = $soundconf->{compat}[$_]
		3658	or next;
		3659
		3660	my $face = cf::face::find "sound/$sound->[1]";
		3661	cf::sound::set $sound->[0] => $face;
		3662	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3663	}
		3664
		3665	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3666	my $face = cf::face::find "sound/$v";
		3667	cf::sound::set $k => $face;
		3668	}
		3669	}
		3670
3328	sub reload_resources {	3671	sub reload_resources {
3329	warn "reloading resource files...\n";	3672	trace "reloading resource files...\n";
3330		3673
		3674	reload_exp_table;
		3675	reload_materials;
3331	reload_facedata;	3676	reload_facedata;
		3677	reload_sound;
3332	reload_archetypes;	3678	reload_archetypes;
3333	reload_regions;	3679	reload_regions;
3334	reload_treasures;	3680	reload_treasures;
3335		3681
3336	warn "finished reloading resource files\n";	3682	trace "finished reloading resource files\n";
3337	}
3338
3339	sub init {
3340	my $guard = freeze_mainloop;
3341
3342	evthread_start IO::AIO::poll_fileno;
3343
3344	reload_resources;
3345	}	3683	}
3346		3684
3347	sub reload_config {	3685	sub reload_config {
3348	open my $fh, "<:utf8", "$CONFDIR/config"	3686	trace "reloading config file...\n";
3349	or return;
3350		3687
3351	local $/;	3688	my $config = load_file "$CONFDIR/config";
3352	*CFG = YAML::Load <$fh>;	3689	utf8::decode $config;
		3690	*CFG = decode_yaml $config;
3353		3691
3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3692	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3355		3693
3356	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3694	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3357	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3695	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3358		3696
3359	if (exists $CFG{mlockall}) {	3697	if (exists $CFG{mlockall}) {
…		…
3382		3720
3383	seek $fh, 0, 0;	3721	seek $fh, 0, 0;
3384	print $fh $$;	3722	print $fh $$;
3385	}	3723	}
3386		3724
		3725	sub main_loop {
		3726	trace "EV::loop starting\n";
		3727	if (1) {
		3728	EV::loop;
		3729	}
		3730	trace "EV::loop returned\n";
		3731	goto &main_loop unless $REALLY_UNLOOP;
		3732	}
		3733
3387	sub main {	3734	sub main {
3388	atomic;	3735	cf::init_globals; # initialise logging
		3736
		3737	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3738	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3739	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3740	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3741
		3742	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3389		3743
3390	# we must not ever block the main coroutine	3744	# we must not ever block the main coroutine
3391	local $Coro::idle = sub {	3745	local $Coro::idle = sub {
3392	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3746	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3393	(async {	3747	(async {
3394	$Coro::current->{desc} = "IDLE BUG HANDLER";	3748	$Coro::current->{desc} = "IDLE BUG HANDLER";
3395	EV::loop EV::LOOP_ONESHOT;	3749	EV::loop EV::LOOP_ONESHOT;
3396	})->prio (Coro::PRIO_MAX);	3750	})->prio (Coro::PRIO_MAX);
3397	};	3751	};
3398		3752
3399	{	3753	evthread_start IO::AIO::poll_fileno;
3400	my $guard = freeze_mainloop;	3754
		3755	cf::sync_job {
		3756	cf::incloader::init ();
		3757
		3758	cf::init_anim;
		3759	cf::init_attackmess;
		3760	cf::init_dynamic;
		3761
		3762	cf::load_settings;
		3763
		3764	reload_resources;
3401	reload_config;	3765	reload_config;
3402	db_init;	3766	db_init;
		3767
		3768	cf::init_uuid;
		3769	cf::init_signals;
		3770	cf::init_skills;
		3771
		3772	cf::init_beforeplay;
		3773
		3774	atomic;
		3775
3403	load_extensions;	3776	load_extensions;
3404		3777
3405	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3406	}
3407
3408	utime time, time, $RUNTIMEFILE;	3778	utime time, time, $RUNTIMEFILE;
3409		3779
3410	# no (long-running) fork's whatsoever before this point(!)	3780	# no (long-running) fork's whatsoever before this point(!)
		3781	use POSIX ();
3411	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};	3782	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3412		3783
3413	EV::loop;	3784	cf::_post_init 0;
		3785	};
		3786
		3787	cf::object::thawer::errors_are_fatal 0;
		3788	info "parse errors in files are no longer fatal from this point on.\n";
		3789
		3790	AE::postpone {
		3791	undef &main; # free gobs of memory :)
		3792	};
		3793
		3794	goto &main_loop;
3414	}	3795	}
3415		3796
3416	#############################################################################	3797	#############################################################################
3417	# initialisation and cleanup	3798	# initialisation and cleanup
3418		3799
3419	# install some emergency cleanup handlers	3800	# install some emergency cleanup handlers
3420	BEGIN {	3801	BEGIN {
3421	our %SIGWATCHER = ();	3802	our %SIGWATCHER = ();
3422	for my $signal (qw(INT HUP TERM)) {	3803	for my $signal (qw(INT HUP TERM)) {
3423	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3804	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3424	cf::cleanup "SIG$signal";	3805	cf::cleanup "SIG$signal";
3425	};	3806	};
3426	}	3807	}
3427	}	3808	}
3428		3809
3429	sub write_runtime_sync {	3810	sub write_runtime_sync {
		3811	my $t0 = AE::time;
		3812
3430	# first touch the runtime file to show we are still running:	3813	# first touch the runtime file to show we are still running:
3431	# the fsync below can take a very very long time.	3814	# the fsync below can take a very very long time.
3432		3815
3433	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;	3816	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3434		3817
3435	my $guard = cf::lock_acquire "write_runtime";	3818	my $guard = cf::lock_acquire "write_runtime";
3436		3819
3437	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644	3820	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3438	or return;	3821	or return;
3439		3822
3440	my $value = $cf::RUNTIME + 90 + 10;	3823	my $value = $cf::RUNTIME + 90 + 10;
3441	# 10 is the runtime save interval, for a monotonic clock	3824	# 10 is the runtime save interval, for a monotonic clock
3442	# 60 allows for the watchdog to kill the server.	3825	# 60 allows for the watchdog to kill the server.
…		…
3455	or return;	3838	or return;
3456		3839
3457	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE	3840	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3458	and return;	3841	and return;
3459		3842
3460	warn "runtime file written.\n";	3843	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3461		3844
3462	1	3845	1
3463	}	3846	}
3464		3847
3465	our $uuid_lock;	3848	our $uuid_lock;
…		…
3474	my $uuid = "$LOCALDIR/uuid";	3857	my $uuid = "$LOCALDIR/uuid";
3475		3858
3476	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3859	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3477	or return;	3860	or return;
3478		3861
3479	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3862	my $value = uuid_seq uuid_cur;
		3863
		3864	unless ($value) {
		3865	info "cowardly refusing to write zero uuid value!\n";
		3866	return;
		3867	}
		3868
		3869	my $value = uuid_str $value + $uuid_skip;
3480	$uuid_skip = 0;	3870	$uuid_skip = 0;
3481		3871
3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3872	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3483	and return;	3873	and return;
3484		3874
…		…
3490	or return;	3880	or return;
3491		3881
3492	aio_rename "$uuid~", $uuid	3882	aio_rename "$uuid~", $uuid
3493	and return;	3883	and return;
3494		3884
3495	warn "uuid file written ($value).\n";	3885	trace "uuid file written ($value).\n";
3496		3886
3497	1	3887	1
3498		3888
3499	}	3889	}
3500		3890
…		…
3506	}	3896	}
3507		3897
3508	sub emergency_save() {	3898	sub emergency_save() {
3509	my $freeze_guard = cf::freeze_mainloop;	3899	my $freeze_guard = cf::freeze_mainloop;
3510		3900
3511	warn "enter emergency perl save\n";	3901	info "emergency_perl_save: enter\n";
		3902
		3903	# this is a trade-off: we want to be very quick here, so
		3904	# save all maps without fsync, and later call a global sync
		3905	# (which in turn might be very very slow)
		3906	local $USE_FSYNC = 0;
3512		3907
3513	cf::sync_job {	3908	cf::sync_job {
		3909	cf::write_runtime_sync; # external watchdog should not bark
		3910
3514	# use a peculiar iteration method to avoid tripping on perl	3911	# use a peculiar iteration method to avoid tripping on perl
3515	# refcount bugs in for. also avoids problems with players	3912	# refcount bugs in for. also avoids problems with players
3516	# and maps saved/destroyed asynchronously.	3913	# and maps saved/destroyed asynchronously.
3517	warn "begin emergency player save\n";	3914	info "emergency_perl_save: begin player save\n";
3518	for my $login (keys %cf::PLAYER) {	3915	for my $login (keys %cf::PLAYER) {
3519	my $pl = $cf::PLAYER{$login} or next;	3916	my $pl = $cf::PLAYER{$login} or next;
3520	$pl->valid or next;	3917	$pl->valid or next;
3521	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3918	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3522	$pl->save;	3919	$pl->save;
3523	}	3920	}
3524	warn "end emergency player save\n";	3921	info "emergency_perl_save: end player save\n";
3525		3922
3526	warn "begin emergency map save\n";	3923	cf::write_runtime_sync; # external watchdog should not bark
		3924
		3925	info "emergency_perl_save: begin map save\n";
3527	for my $path (keys %cf::MAP) {	3926	for my $path (keys %cf::MAP) {
3528	my $map = $cf::MAP{$path} or next;	3927	my $map = $cf::MAP{$path} or next;
3529	$map->valid or next;	3928	$map->valid or next;
3530	$map->save;	3929	$map->save;
3531	}	3930	}
3532	warn "end emergency map save\n";	3931	info "emergency_perl_save: end map save\n";
3533		3932
3534	warn "begin emergency database checkpoint\n";	3933	cf::write_runtime_sync; # external watchdog should not bark
		3934
		3935	info "emergency_perl_save: begin database checkpoint\n";
3535	BDB::db_env_txn_checkpoint $DB_ENV;	3936	BDB::db_env_txn_checkpoint $DB_ENV;
3536	warn "end emergency database checkpoint\n";	3937	info "emergency_perl_save: end database checkpoint\n";
3537		3938
3538	warn "begin write uuid\n";	3939	info "emergency_perl_save: begin write uuid\n";
3539	write_uuid_sync 1;	3940	write_uuid_sync 1;
3540	warn "end write uuid\n";	3941	info "emergency_perl_save: end write uuid\n";
		3942
		3943	cf::write_runtime_sync; # external watchdog should not bark
		3944
		3945	trace "emergency_perl_save: syncing database to disk";
		3946	BDB::db_env_txn_checkpoint $DB_ENV;
		3947
		3948	info "emergency_perl_save: starting sync\n";
		3949	IO::AIO::aio_sync sub {
		3950	info "emergency_perl_save: finished sync\n";
		3951	};
		3952
		3953	cf::write_runtime_sync; # external watchdog should not bark
		3954
		3955	trace "emergency_perl_save: flushing outstanding aio requests";
		3956	while (IO::AIO::nreqs || BDB::nreqs) {
		3957	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3958	}
		3959
		3960	cf::write_runtime_sync; # external watchdog should not bark
3541	};	3961	};
3542		3962
3543	warn "leave emergency perl save\n";	3963	info "emergency_perl_save: leave\n";
3544	}	3964	}
3545		3965
3546	sub post_cleanup {	3966	sub post_cleanup {
3547	my ($make_core) = @_;	3967	my ($make_core) = @_;
3548		3968
		3969	IO::AIO::flush;
		3970
3549	warn Carp::longmess "post_cleanup backtrace"	3971	error Carp::longmess "post_cleanup backtrace"
3550	if $make_core;	3972	if $make_core;
3551		3973
3552	my $fh = pidfile;	3974	my $fh = pidfile;
3553	unlink $PIDFILE if <$fh> == $$;	3975	unlink $PIDFILE if <$fh> == $$;
3554	}	3976	}
…		…
3574	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	3996	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3575	for my $name (keys %$leaf_symtab) {	3997	for my $name (keys %$leaf_symtab) {
3576	_gv_clear *{"$pkg$name"};	3998	_gv_clear *{"$pkg$name"};
3577	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	3999	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3578	}	4000	}
3579	warn "cleared package #$pkg\n";#d#
3580	}	4001	}
3581
3582	our $RELOAD; # how many times to reload
3583		4002
3584	sub do_reload_perl() {	4003	sub do_reload_perl() {
3585	# can/must only be called in main	4004	# can/must only be called in main
3586	if ($Coro::current != $Coro::main) {	4005	unless (in_main) {
3587	warn "can only reload from main coroutine";	4006	error "can only reload from main coroutine";
3588	return;	4007	return;
3589	}	4008	}
3590		4009
3591	return if $RELOAD++;	4010	return if $RELOAD++;
3592		4011
		4012	my $t1 = AE::time;
		4013
3593	while ($RELOAD) {	4014	while ($RELOAD) {
3594	warn "reloading...";	4015	cf::get_slot 0.1, -1, "reload_perl";
		4016	info "perl_reload: reloading...";
3595		4017
3596	warn "entering sync_job";	4018	trace "perl_reload: entering sync_job";
3597		4019
3598	cf::sync_job {	4020	cf::sync_job {
3599	cf::write_runtime_sync; # external watchdog should not bark
3600	cf::emergency_save;	4021	#cf::emergency_save;
3601	cf::write_runtime_sync; # external watchdog should not bark
3602		4022
3603	warn "syncing database to disk";
3604	BDB::db_env_txn_checkpoint $DB_ENV;
3605
3606	# if anything goes wrong in here, we should simply crash as we already saved
3607
3608	warn "flushing outstanding aio requests";
3609	while (IO::AIO::nreqs || BDB::nreqs) {
3610	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3611	}
3612
3613	warn "cancelling all extension coros";	4023	trace "perl_reload: cancelling all extension coros";
3614	$_->cancel for values %EXT_CORO;	4024	$_->cancel for values %EXT_CORO;
3615	%EXT_CORO = ();	4025	%EXT_CORO = ();
3616		4026
3617	warn "removing commands";	4027	trace "perl_reload: removing commands";
3618	%COMMAND = ();	4028	%COMMAND = ();
3619		4029
3620	warn "removing ext/exti commands";	4030	trace "perl_reload: removing ext/exti commands";
3621	%EXTCMD = ();	4031	%EXTCMD = ();
3622	%EXTICMD = ();	4032	%EXTICMD = ();
3623		4033
3624	warn "unloading/nuking all extensions";	4034	trace "perl_reload: unloading/nuking all extensions";
3625	for my $pkg (@EXTS) {	4035	for my $pkg (@EXTS) {
3626	warn "... unloading $pkg";	4036	trace "... unloading $pkg";
3627		4037
3628	if (my $cb = $pkg->can ("unload")) {	4038	if (my $cb = $pkg->can ("unload")) {
3629	eval {	4039	eval {
3630	$cb->($pkg);	4040	$cb->($pkg);
3631	1	4041	1
3632	} or warn "$pkg unloaded, but with errors: $@";	4042	} or error "$pkg unloaded, but with errors: $@";
3633	}	4043	}
3634		4044
3635	warn "... clearing $pkg";	4045	trace "... clearing $pkg";
3636	clear_package $pkg;	4046	clear_package $pkg;
3637	}	4047	}
3638		4048
3639	warn "unloading all perl modules loaded from $LIBDIR";	4049	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3640	while (my ($k, $v) = each %INC) {	4050	while (my ($k, $v) = each %INC) {
3641	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3642		4052
3643	warn "... unloading $k";	4053	trace "... unloading $k";
3644	delete $INC{$k};	4054	delete $INC{$k};
3645		4055
3646	$k =~ s/\.pm$//;	4056	$k =~ s/\.pm$//;
3647	$k =~ s/\//::/g;	4057	$k =~ s/\//::/g;
3648		4058
…		…
3651	}	4061	}
3652		4062
3653	clear_package $k;	4063	clear_package $k;
3654	}	4064	}
3655		4065
3656	warn "getting rid of safe::, as good as possible";	4066	trace "perl_reload: getting rid of safe::, as good as possible";
3657	clear_package "safe::$_"	4067	clear_package "safe::$_"
3658	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4068	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3659		4069
3660	warn "unloading cf.pm \"a bit\"";	4070	trace "perl_reload: unloading cf.pm \"a bit\"";
3661	delete $INC{"cf.pm"};	4071	delete $INC{"cf.pm"};
3662	delete $INC{"cf/pod.pm"};	4072	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3663		4073
3664	# don't, removes xs symbols, too,	4074	# don't, removes xs symbols, too,
3665	# and global variables created in xs	4075	# and global variables created in xs
3666	#clear_package __PACKAGE__;	4076	#clear_package __PACKAGE__;
3667		4077
3668	warn "unload completed, starting to reload now";	4078	info "perl_reload: unload completed, starting to reload now";
3669		4079
3670	warn "reloading cf.pm";	4080	trace "perl_reload: reloading cf.pm";
3671	require cf;	4081	require cf;
3672	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4082	cf::_connect_to_perl_1;
3673		4083
3674	warn "loading config and database again";	4084	trace "perl_reload: loading config and database again";
3675	cf::reload_config;	4085	cf::reload_config;
3676		4086
3677	warn "loading extensions";	4087	trace "perl_reload: loading extensions";
3678	cf::load_extensions;	4088	cf::load_extensions;
3679		4089
		4090	if ($REATTACH_ON_RELOAD) {
3680	warn "reattaching attachments to objects/players";	4091	trace "perl_reload: reattaching attachments to objects/players";
3681	_global_reattach; # objects, sockets	4092	_global_reattach; # objects, sockets
3682	warn "reattaching attachments to maps";	4093	trace "perl_reload: reattaching attachments to maps";
3683	reattach $_ for values %MAP;	4094	reattach $_ for values %MAP;
3684	warn "reattaching attachments to players";	4095	trace "perl_reload: reattaching attachments to players";
3685	reattach $_ for values %PLAYER;	4096	reattach $_ for values %PLAYER;
		4097	}
3686		4098
3687	warn "leaving sync_job";	4099	cf::_post_init 1;
		4100
		4101	trace "perl_reload: leaving sync_job";
3688		4102
3689	1	4103	1
3690	} or do {	4104	} or do {
3691	warn $@;	4105	error $@;
3692	cf::cleanup "error while reloading, exiting.";	4106	cf::cleanup "perl_reload: error, exiting.";
3693	};	4107	};
3694		4108
3695	warn "reloaded";
3696	--$RELOAD;	4109	--$RELOAD;
3697	}	4110	}
		4111
		4112	$t1 = AE::time - $t1;
		4113	info "perl_reload: completed in ${t1}s\n";
3698	};	4114	};
3699		4115
3700	our $RELOAD_WATCHER; # used only during reload	4116	our $RELOAD_WATCHER; # used only during reload
3701		4117
3702	sub reload_perl() {	4118	sub reload_perl() {
3703	# doing reload synchronously and two reloads happen back-to-back,	4119	# doing reload synchronously and two reloads happen back-to-back,
3704	# coro crashes during coro_state_free->destroy here.	4120	# coro crashes during coro_state_free->destroy here.
3705		4121
		4122	$RELOAD_WATCHER ||= cf::async {
		4123	Coro::AIO::aio_wait cache_extensions;
		4124
3706	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4125	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3707	do_reload_perl;	4126	do_reload_perl;
3708	undef $RELOAD_WATCHER;	4127	undef $RELOAD_WATCHER;
		4128	};
3709	};	4129	};
3710	}	4130	}
3711		4131
3712	register_command "reload" => sub {	4132	register_command "reload" => sub {
3713	my ($who, $arg) = @_;	4133	my ($who, $arg) = @_;
…		…
3719	reload_perl;	4139	reload_perl;
3720	};	4140	};
3721	}	4141	}
3722	};	4142	};
3723		4143
3724	unshift @INC, $LIBDIR;	4144	#############################################################################
3725		4145
3726	my $bug_warning = 0;	4146	my $bug_warning = 0;
3727		4147
3728	our @WAIT_FOR_TICK;
3729	our @WAIT_FOR_TICK_BEGIN;
3730
3731	sub wait_for_tick {	4148	sub wait_for_tick() {
3732	return if tick_inhibit || $Coro::current == $Coro::main;	4149	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3733		4150
3734	my $signal = new Coro::Signal;	4151	$WAIT_FOR_TICK->wait;
3735	push @WAIT_FOR_TICK, $signal;
3736	$signal->wait;
3737	}	4152	}
3738		4153
3739	sub wait_for_tick_begin {	4154	sub wait_for_tick_begin() {
3740	return if tick_inhibit || $Coro::current == $Coro::main;	4155	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3741		4156
3742	my $signal = new Coro::Signal;	4157	my $signal = new Coro::Signal;
3743	push @WAIT_FOR_TICK_BEGIN, $signal;	4158	push @WAIT_FOR_TICK_BEGIN, $signal;
3744	$signal->wait;	4159	$signal->wait;
3745	}	4160	}
…		…
3749	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4164	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3750	unless ++$bug_warning > 10;	4165	unless ++$bug_warning > 10;
3751	return;	4166	return;
3752	}	4167	}
3753		4168
3754	cf::server_tick; # one server iteration	4169	cf::one_tick; # one server iteration
		4170
		4171	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3755		4172
3756	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4173	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3757	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4174	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3758	Coro::async_pool {	4175	Coro::async_pool {
3759	$Coro::current->{desc} = "runtime saver";	4176	$Coro::current->{desc} = "runtime saver";
3760	write_runtime_sync	4177	write_runtime_sync
3761	or warn "ERROR: unable to write runtime file: $!";	4178	or error "ERROR: unable to write runtime file: $!";
3762	};	4179	};
3763	}	4180	}
3764		4181
3765	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4182	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3766	$sig->send;	4183	$sig->send;
3767	}	4184	}
3768	while (my $sig = shift @WAIT_FOR_TICK) {	4185	$WAIT_FOR_TICK->broadcast;
3769	$sig->send;
3770	}
3771		4186
3772	$LOAD = ($NOW - $TICK_START) / $TICK;	4187	$LOAD = ($NOW - $TICK_START) / $TICK;
3773	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4188	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3774		4189
3775	if (0) {	4190	if (0) {
3776	if ($NEXT_TICK) {	4191	if ($NEXT_TICK) {
3777	my $jitter = $TICK_START - $NEXT_TICK;	4192	my $jitter = $TICK_START - $NEXT_TICK;
3778	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4193	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3779	warn "jitter $JITTER\n";#d#	4194	debug "jitter $JITTER\n";#d#
3780	}	4195	}
3781	}	4196	}
3782	}	4197	}
3783		4198
3784	{	4199	{
3785	# configure BDB	4200	# configure BDB
3786		4201
3787	BDB::min_parallel 8;	4202	BDB::min_parallel 16;
3788	BDB::max_poll_reqs $TICK * 0.1;	4203	BDB::max_poll_reqs $TICK * 0.1;
3789	$AnyEvent::BDB::WATCHER->priority (1);	4204	#$AnyEvent::BDB::WATCHER->priority (1);
3790		4205
3791	unless ($DB_ENV) {	4206	unless ($DB_ENV) {
3792	$DB_ENV = BDB::db_env_create;	4207	$DB_ENV = BDB::db_env_create;
3793	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4208	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3794	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;	4209	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
…		…
3829	IO::AIO::min_parallel 8;	4244	IO::AIO::min_parallel 8;
3830	IO::AIO::max_poll_time $TICK * 0.1;	4245	IO::AIO::max_poll_time $TICK * 0.1;
3831	undef $AnyEvent::AIO::WATCHER;	4246	undef $AnyEvent::AIO::WATCHER;
3832	}	4247	}
3833		4248
3834	my $_log_backtrace;	4249	our $_log_backtrace;
		4250	our $_log_backtrace_last;
3835		4251
3836	sub _log_backtrace {	4252	sub _log_backtrace {
3837	my ($msg, @addr) = @_;	4253	my ($msg, @addr) = @_;
3838		4254
3839	$msg =~ s/\n//;	4255	$msg =~ s/\n$//;
3840		4256
		4257	if ($_log_backtrace_last eq $msg) {
		4258	LOG llevInfo, "[ABT] $msg\n";
		4259	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3841	# limit the # of concurrent backtraces	4260	# limit the # of concurrent backtraces
3842	if ($_log_backtrace < 2) {	4261	} elsif ($_log_backtrace < 2) {
		4262	$_log_backtrace_last = $msg;
3843	++$_log_backtrace;	4263	++$_log_backtrace;
3844	my $perl_bt = Carp::longmess $msg;	4264	my $perl_bt = Carp::longmess $msg;
3845	async {	4265	async {
3846	$Coro::current->{desc} = "abt $msg";	4266	$Coro::current->{desc} = "abt $msg";
3847		4267
…		…
3867	LOG llevInfo, "[ABT] $_\n" for @bt;	4287	LOG llevInfo, "[ABT] $_\n" for @bt;
3868	--$_log_backtrace;	4288	--$_log_backtrace;
3869	};	4289	};
3870	} else {	4290	} else {
3871	LOG llevInfo, "[ABT] $msg\n";	4291	LOG llevInfo, "[ABT] $msg\n";
3872	LOG llevInfo, "[ABT] [suppressed]\n";	4292	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3873	}	4293	}
3874	}	4294	}
3875		4295
3876	# load additional modules	4296	# load additional modules
3877	use cf::pod;	4297	require "cf/$_.pm" for @EXTRA_MODULES;
		4298	cf::_connect_to_perl_2;
3878		4299
3879	END { cf::emergency_save }	4300	END { cf::emergency_save }
3880		4301
3881	1	4302	1
3882		4303

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