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Revision 1.456 by root, Tue Sep 30 04:00:35 2008 UTC vs.
Revision 1.586 by root, Wed Oct 31 15:02:02 2012 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
18	#	18	# <http://www.gnu.org/licenses/>.
		19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use 5.10.0;	25	use common::sense;
25	use utf8;
26	use strict "vars", "subs";
27		26
28	use Symbol;	27	use Symbol;
29	use List::Util;	28	use List::Util;
30	use Socket;	29	use Socket;
31	use EV;	30	use EV;
32	use Opcode;	31	use Opcode;
33	use Safe;	32	use Safe;
34	use Safe::Hole;	33	use Safe::Hole;
35	use Storable ();	34	use Storable ();
		35	use Carp ();
36		36
		37	use Guard ();
37	use Coro ();	38	use Coro ();
38	use Coro::State;	39	use Coro::State;
39	use Coro::Handle;	40	use Coro::Handle;
40	use Coro::EV;	41	use Coro::EV;
41	use Coro::AnyEvent;	42	use Coro::AnyEvent;
42	use Coro::Timer;	43	use Coro::Timer;
43	use Coro::Signal;	44	use Coro::Signal;
44	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
45	use Coro::AnyEvent;	47	use Coro::AnyEvent;
46	use Coro::AIO;	48	use Coro::AIO;
47	use Coro::BDB 1.6;	49	use Coro::BDB 1.6;
48	use Coro::Storable;	50	use Coro::Storable;
49	use Coro::Util ();	51	use Coro::Util ();
50		52
51	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
52	use BDB ();	54	use BDB ();
53	use Data::Dumper;	55	use Data::Dumper;
54	use Digest::MD5;
55	use Fcntl;	56	use Fcntl;
56	use YAML ();	57	use YAML::XS ();
57	use IO::AIO ();	58	use IO::AIO ();
58	use Time::HiRes;	59	use Time::HiRes;
59	use Compress::LZF;	60	use Compress::LZF;
60	use Digest::MD5 ();	61	use Digest::MD5 ();
61		62
…		…
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
…		…
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, non-zero while in reload	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
…		…
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
132		152
133	our @POST_INIT;	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;
134		160
135	binmode STDOUT;	161	binmode STDOUT;
136	binmode STDERR;	162	binmode STDERR;
137		163
138	# read virtual server time, if available	164	# read virtual server time, if available
…		…
140	open my $fh, "<", $RUNTIMEFILE	166	open my $fh, "<", $RUNTIMEFILE
141	or die "unable to read $RUNTIMEFILE file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
142	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
143	}	169	}
144		170
		171	eval "sub TICK() { $TICK } 1" or die;
		172
145	mkdir $_	173	mkdir $_
146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
147		175
148	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
149		177
150	sub cf::map::normalise;	178	sub cf::map::normalise;
151		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
152	#############################################################################	184	#############################################################################
153		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
154	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
155		198
156	=over 4	199	=over 4
157		200
158	=item $cf::UPTIME	201	=item $cf::UPTIME
159		202
160	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.
161		219
162	=item $cf::RUNTIME	220	=item $cf::RUNTIME
163		221
164	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
165	every server tick.	223	every server tick.
…		…
171	Various directories - "/etc", read-only install directory, perl-library	229	Various directories - "/etc", read-only install directory, perl-library
172	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
173	unique-items directory, player file directory, random maps directory and	231	unique-items directory, player file directory, random maps directory and
174	database environment.	232	database environment.
175		233
176	=item $cf::NOW
177
178	The time of the last (current) server tick.
179
180	=item $cf::TICK
181
182	The interval between server ticks, in seconds.
183
184	=item $cf::LOADAVG	234	=item $cf::LOADAVG
185		235
186	The current CPU load on the server (alpha-smoothed), as a value between 0	236	The current CPU load on the server (alpha-smoothed), as a value between 0
187	(none) and 1 (overloaded), indicating how much time is spent on processing	237	(none) and 1 (overloaded), indicating how much time is spent on processing
188	objects per tick. Healthy values are < 0.5.	238	objects per tick. Healthy values are < 0.5.
…		…
197	from wherever your confdir points to.	247	from wherever your confdir points to.
198		248
199	=item cf::wait_for_tick, cf::wait_for_tick_begin	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
200		250
201	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
202	returns directly I<after> the tick processing (and consequently, can only wake one process	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
203	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
204		254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$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
205	=item @cf::INVOKE_RESULTS	272	=item @cf::INVOKE_RESULTS
206		273
207	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
208	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
209	that call.	276	that call.
210		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
211	=back	284	=back
212		285
213	=cut	286	=cut
214		287
215	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
216	*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 {
217	my $msg = join "", @_;	295	my $msg = join "", @_;
218		296
219	$msg .= "\n"	297	$msg .= "\n"
220	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
221		299
222	$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;
223		301
224	LOG llevError, $msg;	302	LOG llevWarn, $msg;
225	};	303	};
226	}
227		304
228	$Coro::State::DIEHOOK = sub {	305	$Coro::State::DIEHOOK = sub {
229	return unless $^S eq 0; # "eq", not "=="	306	return unless $^S eq 0; # "eq", not "=="
230		307
231	if ($Coro::current == $Coro::main) {#d#	308	error Carp::longmess $_[0];
		309
		310	if (in_main) {#d#
232	warn "DIEHOOK called in main context, Coro bug?\n";#d#	311	error "DIEHOOK called in main context, Coro bug?\n";#d#
233	return;#d#	312	return;#d#
234	}#d#	313	}#d#
235		314
236	# kill coroutine otherwise	315	# kill coroutine otherwise
237	warn Carp::longmess $_[0];
238	Coro::terminate	316	Coro::terminate
239	};	317	};
240
241	$SIG{__DIE__} = sub { }; #d#?
242		318
243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
260	)) {	336	)) {
261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
262	}	338	}
263		339
264	$EV::DIED = sub {	340	$EV::DIED = sub {
265	warn "error in event callback: @_";	341	warn "error in event callback: $@";
266	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
267		348
268	#############################################################################	349	#############################################################################
269		350
270	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
271		352
…		…
292	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
293	$d	374	$d
294	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
295	}	376	}
296		377
		378	=item $scalar = cf::load_file $path
		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($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
297	=item $ref = cf::decode_json $json	430	=item $ref = cf::decode_json $json
298		431
299	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
300		433
301	=item $json = cf::encode_json $ref	434	=item $json = cf::encode_json $ref
…		…
307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
308		441
309	sub encode_json($) { $json_coder->encode ($_[0]) }	442	sub encode_json($) { $json_coder->encode ($_[0]) }
310	sub decode_json($) { $json_coder->decode ($_[0]) }	443	sub decode_json($) { $json_coder->decode ($_[0]) }
311		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 $_[0]
		474	}
		475
312	=item cf::post_init { BLOCK }	476	=item cf::post_init { BLOCK }
313		477
314	Execute the given codeblock, I<after> all extensions have been (re-)loaded,	478	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
315	but I<before> the server starts ticking again.	479	but I<before> the server starts ticking again.
316		480
317	The cdoeblock will have a single boolean argument to indicate whether this	481	The codeblock will have a single boolean argument to indicate whether this
318	is a reload or not.	482	is a reload or not.
319		483
320	=cut	484	=cut
321		485
322	sub post_init(&) {	486	sub post_init(&) {
323	push @POST_INIT, shift;	487	push @POST_INIT, shift;
324	}	488	}
325		489
		490	sub _post_init {
		491	trace "running post_init jobs";
		492
		493	# run them in parallel...
		494
		495	my @join;
		496
		497	while () {
		498	push @join, map &Coro::async ($_, 0), @POST_INIT;
		499	@POST_INIT = ();
		500
		501	@join or last;
		502
		503	(pop @join)->join;
		504	}
		505	}
		506
326	=item cf::lock_wait $string	507	=item cf::lock_wait $string
327		508
328	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
329		510
330	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
331		512
332	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
333	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,
334	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
335	returned.	516	returned.
336		517
337	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
338	deadlocked coro.	519	deadlocked coro.
…		…
344		525
345	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.
346		527
347	=cut	528	=cut
348		529
349	our %LOCK;	530	our $LOCKS = new Coro::SemaphoreSet;
350	our %LOCKER;#d#
351		531
352	sub lock_wait($) {	532	sub lock_wait($) {
353	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
354
355	if ($LOCKER{$key} == $Coro::current) {#d#
356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
357	return;#d#
358	}#d#
359
360	# wait for lock, if any
361	while ($LOCK{$key}) {
362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
363	push @{ $LOCK{$key} }, $Coro::current;
364	Coro::schedule;
365	}
366	}	534	}
367		535
368	sub lock_acquire($) {	536	sub lock_acquire($) {
369	my ($key) = @_;	537	$LOCKS->guard ($_[0])
370
371	# wait, to be sure we are not locked
372	lock_wait $key;
373
374	$LOCK{$key} = [];
375	$LOCKER{$key} = $Coro::current;#d#
376
377	Coro::guard {
378	delete $LOCKER{$key};#d#
379	# wake up all waiters, to be on the safe side
380	$_->ready for @{ delete $LOCK{$key} };
381	}
382	}	538	}
383		539
384	sub lock_active($) {	540	sub lock_active($) {
385	my ($key) = @_;	541	$LOCKS->count ($_[0]) < 1
386
387	! ! $LOCK{$key}
388	}	542	}
389		543
390	sub freeze_mainloop {	544	sub freeze_mainloop {
391	tick_inhibit_inc;	545	tick_inhibit_inc;
392		546
393	Coro::guard \&tick_inhibit_dec;	547	&Guard::guard (\&tick_inhibit_dec);
394	}	548	}
395		549
396	=item cf::periodic $interval, $cb	550	=item cf::periodic $interval, $cb
397		551
398	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
399	get spread over timer.	553	get spread over time.
400		554
401	=cut	555	=cut
402		556
403	sub periodic($$) {	557	sub periodic($$) {
404	my ($interval, $cb) = @_;	558	my ($interval, $cb) = @_;
…		…
408	EV::periodic $start, $interval, 0, $cb	562	EV::periodic $start, $interval, 0, $cb
409	}	563	}
410		564
411	=item cf::get_slot $time[, $priority[, $name]]	565	=item cf::get_slot $time[, $priority[, $name]]
412		566
413	Allocate $time seconds of blocking CPU time at priority C<$priority>:	567	Allocate $time seconds of blocking CPU time at priority C<$priority>
414	This call blocks and returns only when you have at least C<$time> seconds	568	(default: 0): This call blocks and returns only when you have at least
415	of cpu time till the next tick. The slot is only valid till the next cede.	569	C<$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.
416		574
417	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
418	used for statistical purposes and should identify the same time-class.	576	used for statistical purposes and should identify the same time-class.
419		577
420	Useful for short background jobs.	578	Useful for short background jobs.
421		579
422	=cut	580	=cut
423		581
424	our @SLOT_QUEUE;	582	our @SLOT_QUEUE;
425	our $SLOT_QUEUE;	583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
426		585
427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
428	$SLOT_QUEUE = Coro::async {	587	$SLOT_QUEUE = Coro::async {
429	$Coro::current->desc ("timeslot manager");	588	$Coro::current->desc ("timeslot manager");
430		589
431	my $signal = new Coro::Signal;	590	my $signal = new Coro::Signal;
		591	my $busy;
432		592
433	while () {	593	while () {
434	next_job:	594	next_job:
		595
435	my $avail = cf::till_tick;	596	my $avail = cf::till_tick;
436	if ($avail > 0.01) {	597
437	for (0 .. $#SLOT_QUEUE) {	598	for (0 .. $#SLOT_QUEUE) {
438	if ($SLOT_QUEUE[$_][0] < $avail) {	599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
439	my $job = splice @SLOT_QUEUE, $_, 1, ();	601	my $job = splice @SLOT_QUEUE, $_, 1, ();
440	$job->[2]->send;	602	$job->[2]->send;
441	Coro::cede;	603	Coro::cede;
442	goto next_job;	604	goto next_job;
443	}	605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
444	}	607	}
445	}	608	}
446		609
447	if (@SLOT_QUEUE) {	610	if (@SLOT_QUEUE) {
448	# 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
449	push @cf::WAIT_FOR_TICK, $signal;	612	$WAIT_FOR_TICK->wait;
450	$signal->wait;
451	} else {	613	} else {
		614	$busy = 0;
452	Coro::schedule;	615	Coro::schedule;
453	}	616	}
454	}	617	}
455	};	618	};
456		619
457	sub get_slot($;$$) {	620	sub get_slot($;$$) {
458	return if tick_inhibit || $Coro::current == $Coro::main;	621	return if tick_inhibit || $Coro::current == $Coro::main;
459		622
460	my ($time, $pri, $name) = @_;	623	my ($time, $pri, $name) = @_;
461		624
462	$time = $TICK * .6 if $time > $TICK * .6;	625	$time = clamp $time, 0.01, $TICK * .6;
		626
463	my $sig = new Coro::Signal;	627	my $sig = new Coro::Signal;
464		628
465	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	629	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
466	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	630	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
467	$SLOT_QUEUE->ready;	631	$SLOT_QUEUE->ready;
…		…
493	=cut	657	=cut
494		658
495	sub sync_job(&) {	659	sub sync_job(&) {
496	my ($job) = @_;	660	my ($job) = @_;
497		661
498	if ($Coro::current == $Coro::main) {	662	if (in_main) {
499	my $time = EV::time;	663	my $time = AE::time;
500		664
501	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
502	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
503		667
504	LOG llevError, Carp::longmess "sync job";#d#	668	#LOG llevError, Carp::longmess "sync job";#d#
505		669
506	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
507		671
508	my $busy = 1;	672	my $busy = 1;
509	my @res;	673	my @res;
510		674
511	(async {	675	(async {
512	$Coro::current->desc ("sync job coro");	676	$Coro::current->desc ("sync job coro");
513	@res = eval { $job->() };	677	@res = eval { $job->() };
514	warn $@ if $@;	678	error $@ if $@;
515	undef $busy;	679	undef $busy;
516	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
517		681
518	while ($busy) {	682	while ($busy) {
519	if (Coro::nready) {	683	if (Coro::nready) {
…		…
521	} else {	685	} else {
522	EV::loop EV::LOOP_ONESHOT;	686	EV::loop EV::LOOP_ONESHOT;
523	}	687	}
524	}	688	}
525		689
526	my $time = EV::time - $time;	690	my $time = AE::time - $time;
527		691
528	$TICK_START += $time; # do not account sync jobs to server load	692	$TICK_START += $time; # do not account sync jobs to server load
529		693
530	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
531	} else {	695	} else {
…		…
553	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
554		718
555	$coro	719	$coro
556	}	720	}
557		721
558	=item fork_call { }, $args	722	=item fork_call { }, @args
559		723
560	Executes the given code block with the given arguments in a seperate	724	Executes the given code block with the given arguments in a seperate
561	process, returning the results. Everything must be serialisable with	725	process, returning the results. Everything must be serialisable with
562	Coro::Storable. May, of course, block. Note that the executed sub may	726	Coro::Storable. May, of course, block. Note that the executed sub may
563	never block itself or use any form of event handling.	727	never block itself or use any form of event handling.
564		728
565	=cut	729	=cut
566		730
		731	sub post_fork {
		732	reset_signals;
		733	}
		734
567	sub fork_call(&@) {	735	sub fork_call(&@) {
568	my ($cb, @args) = @_;	736	my ($cb, @args) = @_;
569		737
570	# we seemingly have to make a local copy of the whole thing,	738	# we seemingly have to make a local copy of the whole thing,
571	# otherwise perl prematurely frees the stuff :/	739	# otherwise perl prematurely frees the stuff :/
572	# TODO: investigate and fix (likely this will be rather laborious)	740	# TODO: investigate and fix (likely this will be rather laborious)
573		741
574	my @res = Coro::Util::fork_eval {	742	my @res = Coro::Util::fork_eval {
575	reset_signals;	743	cf::post_fork;
576	&$cb	744	&$cb
577	}, @args;	745	} @args;
578		746
579	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	)
580	}	759	}
581		760
582	=item $coin = coin_from_name $name	761	=item $coin = coin_from_name $name
583		762
584	=cut	763	=cut
…		…
621	within each server.	800	within each server.
622		801
623	=cut	802	=cut
624		803
625	sub db_table($) {	804	sub db_table($) {
		805	cf::error "db_get called from main context"
		806	if $Coro::current == $Coro::main;
		807
626	my ($name) = @_;	808	my ($name) = @_;
627	my $db = BDB::db_create $DB_ENV;	809	my $db = BDB::db_create $DB_ENV;
628		810
629	eval {	811	eval {
630	$db->set_flags (BDB::CHKSUM);	812	$db->set_flags (BDB::CHKSUM);
…		…
640	}	822	}
641		823
642	our $DB;	824	our $DB;
643		825
644	sub db_init {	826	sub db_init {
645	cf::sync_job {
646	$DB ||= db_table "db";	827	$DB ||= db_table "db";
647	};
648	}	828	}
649		829
650	sub db_get($$) {	830	sub db_get($$) {
651	my $key = "$_[0]/$_[1]";	831	my $key = "$_[0]/$_[1]";
652		832
653	cf::sync_job {	833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
654	BDB::db_get $DB, undef, $key, my $data;	836	BDB::db_get $DB, undef, $key, my $data;
655		837
656	$! ? ()	838	$! ? ()
657	: $data	839	: $data
658	}
659	}	840	}
660		841
661	sub db_put($$$) {	842	sub db_put($$$) {
662	BDB::dbreq_pri 4;	843	BDB::dbreq_pri 4;
663	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
691		872
692	my @data;	873	my @data;
693	my $md5;	874	my $md5;
694		875
695	for (0 .. $#$src) {	876	for (0 .. $#$src) {
696	0 <= aio_load $src->[$_], $data[$_]	877	$data[$_] = load_file $src->[$_];
697	or Carp::croak "$src->[$_]: $!";
698	}	878	}
699		879
700	# if processing is expensive, check	880	# if processing is expensive, check
701	# checksum first	881	# checksum first
702	if (1) {	882	if (1) {
…		…
719		899
720	my $t1 = Time::HiRes::time;	900	my $t1 = Time::HiRes::time;
721	my $data = $process->(\@data);	901	my $data = $process->(\@data);
722	my $t2 = Time::HiRes::time;	902	my $t2 = Time::HiRes::time;
723		903
724	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
725		905
726	db_put cache => "$id/data", $data;	906	db_put cache => "$id/data", $data;
727	db_put cache => "$id/md5" , $md5;	907	db_put cache => "$id/md5" , $md5;
728	db_put cache => "$id/meta", $meta;	908	db_put cache => "$id/meta", $meta;
729		909
…		…
739		919
740	=cut	920	=cut
741		921
742	sub datalog($@) {	922	sub datalog($@) {
743	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
744	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
745	}	925	}
746		926
747	=back	927	=back
748		928
749	=cut	929	=cut
…		…
944		1124
945	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
946	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
947		1127
948	} elsif (ref $type) {	1128	} elsif (ref $type) {
949	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
950		1130
951	} else {	1131	} else {
952	shift @arg;	1132	shift @arg;
953	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
954	}	1134	}
955	}	1135	}
956	}	1136	}
957		1137
958	sub _object_attach {	1138	sub _object_attach {
…		…
968	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
969	}	1149	}
970		1150
971	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
972	} else {	1152	} else {
973	warn "object uses attachment '$name' which is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
974	}	1154	}
975		1155
976	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
977	}	1157	}
978		1158
…		…
1037		1217
1038	for (@$callbacks) {	1218	for (@$callbacks) {
1039	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
1040		1220
1041	if ($@) {	1221	if ($@) {
1042	warn "$@";
1043	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1044	override;	1223	override;
1045	}	1224	}
1046		1225
1047	return 1 if $override;	1226	return 1 if $override;
1048	}	1227	}
…		…
1127	for (@$attach) {	1306	for (@$attach) {
1128	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
1129	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
1130	}	1309	}
1131	} else {	1310	} else {
1132	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
1133	}	1312	}
1134	}	1313	}
1135	}	1314	}
1136		1315
1137	cf::attachable->attach (	1316	cf::attachable->attach (
…		…
1164	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
1165		1344
1166	sync_job {	1345	sync_job {
1167	if (length $$rdata) {	1346	if (length $$rdata) {
1168	utf8::decode (my $decname = $filename);	1347	utf8::decode (my $decname = $filename);
1169	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
1170	$decname, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
1171		1351
1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1173	aio_chmod $fh, SAVE_MODE;	1353	aio_chmod $fh, SAVE_MODE;
1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1175	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	}
1176	aio_close $fh;	1359	aio_close $fh;
1177		1360
1178	if (@$objs) {	1361	if (@$objs) {
1179	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) {
1180	aio_chmod $fh, SAVE_MODE;	1363	aio_chmod $fh, SAVE_MODE;
1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1182	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
1183	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	}
1184	aio_close $fh;	1370	aio_close $fh;
1185	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
1186	}	1372	}
1187	} else {	1373	} else {
1188	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
1189	}	1375	}
1190		1376
1191	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
1192		1378
1193	$filename =~ s%/[^/]+$%%;	1379	$filename =~ s%/[^/]+$%%;
1194	aio_pathsync $filename;	1380	aio_pathsync $filename if $cf::USE_FSYNC;
1195	} else {	1381	} else {
1196	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
1197	}	1383	}
1198	} else {	1384	} else {
1199	aio_unlink $filename;	1385	aio_unlink $filename;
1200	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
1201	}	1387	}
…		…
1225	my $st = eval { Coro::Storable::thaw $av };	1411	my $st = eval { Coro::Storable::thaw $av };
1226	$av = $st->{objs};	1412	$av = $st->{objs};
1227	}	1413	}
1228		1414
1229	utf8::decode (my $decname = $filename);	1415	utf8::decode (my $decname = $filename);
1230	warn sprintf "loading %s (%d,%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
1231	$decname, length $data, scalar @{$av || []};	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
1232		1419
1233	($data, $av)	1420	($data, $av)
1234	}	1421	}
1235		1422
1236	=head2 COMMAND CALLBACKS	1423	=head2 COMMAND CALLBACKS
…		…
1292	my ($name, $cb) = @_;	1479	my ($name, $cb) = @_;
1293		1480
1294	$EXTICMD{$name} = $cb;	1481	$EXTICMD{$name} = $cb;
1295	}	1482	}
1296		1483
		1484	use File::Glob ();
		1485
1297	cf::player->attach (	1486	cf::player->attach (
1298	on_command => sub {	1487	on_unknown_command => sub {
1299	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
1300		1489
1301	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
1302	or return;	1491	or return;
1303		1492
…		…
1311	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
1312		1501
1313	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1314		1503
1315	if (ref $msg) {	1504	if (ref $msg) {
1316	my ($type, $reply, @payload) =	1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1317	"ARRAY" eq ref $msg
1318	? @$msg
1319	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1320		1506
1321	my @reply;	1507	my @reply;
1322		1508
1323	if (my $cb = $EXTCMD{$type}) {	1509	if (my $cb = $EXTCMD{$type}) {
1324	@reply = $cb->($pl, @payload);	1510	@reply = $cb->($pl, @payload);
…		…
1326		1512
1327	$pl->ext_reply ($reply, @reply)	1513	$pl->ext_reply ($reply, @reply)
1328	if $reply;	1514	if $reply;
1329		1515
1330	} else {	1516	} else {
1331	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1332	}	1518	}
1333		1519
1334	cf::override;	1520	cf::override;
1335	},	1521	},
1336	);	1522	);
1337		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
1338	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
1339	cf::sync_job {	1553	cf::sync_job {
1340	my %todo;	1554	my %todo;
1341		1555
1342	for my $path (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
1343	next unless -r $path;	1557	next unless -r $path;
…		…
1361		1575
1362	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1363	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1364		1578
1365	$ext{source} =	1579	$ext{source} =
1366	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1580	"package $pkg; use common::sense;\n"
1367	. "#line 1 \"$path\"\n{\n"	1581	. "#line 1 \"$path\"\n{\n"
1368	. $source	1582	. $source
1369	. "\n};\n1";	1583	. "\n};\n1";
1370		1584
1371	$todo{$base} = \%ext;	1585	$todo{$base} = \%ext;
1372	}	1586	}
1373		1587
		1588	my $pass = 0;
1374	my %done;	1589	my %done;
1375	while (%todo) {	1590	while (%todo) {
1376	my $progress;	1591	my $progress;
1377		1592
		1593	++$pass;
		1594
		1595	ext:
1378	while (my ($k, $v) = each %todo) {	1596	while (my ($k, $v) = each %todo) {
1379	for (split /,\s*/, $v->{meta}{depends}) {	1597	for (split /,\s*/, $v->{meta}{depends}) {
1380	goto skip	1598	next ext
1381	unless exists $done{$_};	1599	unless exists $done{$_};
1382	}	1600	}
1383		1601
1384	warn "... loading '$k' into '$v->{pkg}'\n";	1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1385		1603
1386	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 $@) {
1387	my $msg = $@ ? "$v->{path}: $@\n"	1616	error "$v->{path}: $@\n";
1388	: "$v->{base}: extension inactive.\n";
1389		1617
1390	if (exists $v->{meta}{mandatory}) {
1391	warn $msg;
1392	cf::cleanup "mandatory extension failed to load, exiting.";	1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1393	}	1619	if exists $v->{meta}{mandatory};
1394		1620
1395	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;
1396	}	1630	}
1397
1398	$done{$k} = delete $todo{$k};
1399	push @EXTS, $v->{pkg};
1400	$progress = 1;
1401	}	1631	}
1402		1632
1403	skip:	1633	unless ($progress) {
1404	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1405	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	}
1406	}	1643	}
1407	};	1644	};
1408	}	1645	}
1409		1646
1410	#############################################################################	1647	#############################################################################
…		…
1494	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1495	}	1732	}
1496	}	1733	}
1497	}	1734	}
1498		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($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
1499	sub save($) {	1749	sub save($) {
1500	my ($pl) = @_;	1750	my ($pl) = @_;
1501		1751
1502	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
1503		1753
…		…
1508		1758
1509	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1510	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1511		1761
1512	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];
1513		1766
1514	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1515	cf::cede_to_tick;	1768	cf::cede_to_tick;
1516	}	1769	}
1517		1770
…		…
1551	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1552		1805
1553	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1554	$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
1555		1808
1556	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1557	$pl->deactivate;	1810	$pl->deactivate;
		1811
1558	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;
1559	$pl->ob->check_score;
1560	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1561	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1562		1817
1563	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1564	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1565	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1619	\@logins	1874	\@logins
1620	}	1875	}
1621		1876
1622	=item $player->maps	1877	=item $player->maps
1623		1878
		1879	=item cf::player::maps $login
		1880
1624	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1625	player. May block.	1882	player. May block.
1626		1883
1627	=cut	1884	=cut
1628		1885
…		…
1690	=cut	1947	=cut
1691		1948
1692	sub find_by_path($) {	1949	sub find_by_path($) {
1693	my ($path) = @_;	1950	my ($path) = @_;
1694		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
		1953
1695	my ($match, $specificity);	1954	my ($match, $specificity);
1696		1955
1697	for my $region (list) {	1956	for my $region (list) {
1698	if ($region->{match} && $path =~ $region->{match}) {	1957	if ($region->{match} && $path =~ $region->{match}) {
1699	($match, $specificity) = ($region, $region->specificity)	1958	($match, $specificity) = ($region, $region->specificity)
…		…
1727	sub generate_random_map {	1986	sub generate_random_map {
1728	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1729		1988
1730	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
1731		1990
1732	# mit "rum" bekleckern, nicht
1733	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1737	$rmp->{exit_on_final_map},
1738	$rmp->{xsize}, $rmp->{ysize},
1739	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1740	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1741	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1742	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1743	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1744	(cf::region::find $rmp->{region}), $rmp->{custom}
1745	)
1746	}	1992	}
1747		1993
1748	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1749		1995
1750	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
…		…
1755		2001
1756	sub register {	2002	sub register {
1757	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1758	my $pkg = caller;	2004	my $pkg = caller;
1759		2005
1760	no strict;
1761	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1762		2007
1763	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1764	}	2009	}
1765		2010
1766	# also paths starting with '/'	2011	# also paths starting with '/'
1767	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1768		2013
1769	sub thawer_merge {	2014	sub thawer_merge {
1770	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1771		2016
1772	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
…		…
1777	}	2022	}
1778		2023
1779	sub normalise {	2024	sub normalise {
1780	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1781		2026
1782	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1783		2028
1784	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1785		2030
1786	# map plan:	2031	# map plan:
1787	#	2032	#
…		…
1802	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1803	$path = "$base/$path";	2048	$path = "$base/$path";
1804	}	2049	}
1805		2050
1806	for ($path) {	2051	for ($path) {
1807	redo if s{//}{/};
1808	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1809	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1810	}	2054	}
1811		2055
1812	$path	2056	$path
…		…
1826	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1827	return $self;	2071	return $self;
1828	}	2072	}
1829	}	2073	}
1830		2074
1831	Carp::cluck "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1832	()	2076	()
1833	}	2077	}
1834		2078
		2079	# may re-bless or do other evil things
1835	sub init {	2080	sub init {
1836	my ($self) = @_;	2081	my ($self) = @_;
1837		2082
1838	$self	2083	$self
1839	}	2084	}
…		…
1870		2115
1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1872	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1873	}	2118	}
1874		2119
1875	# and all this just because we cannot iterate over
1876	# all maps in C++...
1877	sub change_all_map_light {
1878	my ($change) = @_;
1879
1880	$_->change_map_light ($change)
1881	for grep $_->outdoor, values %cf::MAP;
1882	}
1883
1884	sub decay_objects {	2120	sub decay_objects {
1885	my ($self) = @_;	2121	my ($self) = @_;
1886		2122
1887	return if $self->{deny_reset};	2123	return if $self->{deny_reset};
1888		2124
…		…
1913	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1914		2150
1915	1	2151	1
1916	}	2152	}
1917		2153
		2154	# used to laod the header of an original map
1918	sub load_header_orig {	2155	sub load_header_orig {
1919	my ($self) = @_;	2156	my ($self) = @_;
1920		2157
1921	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1922	}	2159	}
1923		2160
		2161	# used to laod the header of an instantiated map
1924	sub load_header_temp {	2162	sub load_header_temp {
1925	my ($self) = @_;	2163	my ($self) = @_;
1926		2164
1927	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1928	}	2166	}
1929		2167
		2168	# called after loading the header from an instantiated map
1930	sub prepare_temp {	2169	sub prepare_temp {
1931	my ($self) = @_;	2170	my ($self) = @_;
1932		2171
1933	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1934	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1935	# safety	2174	# safety
1936	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1937	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1938	}	2177	}
1939		2178
		2179	# called after loading the header from an original map
1940	sub prepare_orig {	2180	sub prepare_orig {
1941	my ($self) = @_;	2181	my ($self) = @_;
1942		2182
1943	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1944	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1968		2208
1969	sub find;	2209	sub find;
1970	sub find {	2210	sub find {
1971	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1972		2212
		2213	cf::cede_to_tick;
		2214
1973	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1974		2216
1975	cf::lock_wait "map_data:$path";#d#remove	2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1976	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1977		2219
1978	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1979	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1980	my $guard2 = cf::lock_acquire "map_find:$path";
1981
1982	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1983	or return;	2222	or return;
1984		2223
1985	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1986		2225
…		…
1998		2237
1999	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
2000	}	2239	}
2001	}	2240	}
2002		2241
2003	sub pre_load { }	2242	sub pre_load { }
2004	sub post_load { }	2243	#sub post_load { } # XS
2005		2244
2006	sub load {	2245	sub load {
2007	my ($self) = @_;	2246	my ($self) = @_;
2008		2247
2009	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2012		2251
2013	{	2252	{
2014	my $guard = cf::lock_acquire "map_data:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
2015		2254
2016	return unless $self->valid;	2255	return unless $self->valid;
2017	return unless $self->in_memory == cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
2018
2019	$self->in_memory (cf::MAP_LOADING);
2020		2257
2021	$self->alloc;	2258	$self->alloc;
2022		2259
2023	$self->pre_load;	2260	$self->pre_load;
2024	cf::cede_to_tick;	2261	cf::cede_to_tick;
2025		2262
		2263	if (exists $self->{load_path}) {
2026	my $f = new_from_file cf::object::thawer $self->{load_path};	2264	my $f = new_from_file cf::object::thawer $self->{load_path};
2027	$f->skip_block;	2265	$f->skip_block;
2028	$self->_load_objects ($f)	2266	$self->_load_objects ($f)
2029	or return;	2267	or return;
2030		2268
2031	$self->post_load_original	2269	$self->post_load_original
2032	if delete $self->{load_original};	2270	if delete $self->{load_original};
2033		2271
2034	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
2035	utf8::encode $uniq;	2273	utf8::encode $uniq;
2036	unless (aio_stat $uniq) {	2274	unless (aio_stat $uniq) {
2037	if (my $f = new_from_file cf::object::thawer $uniq) {	2275	if (my $f = new_from_file cf::object::thawer $uniq) {
2038	$self->clear_unique_items;	2276	$self->clear_unique_items;
2039	$self->_load_objects ($f);	2277	$self->_load_objects ($f);
2040	$f->resolve_delayed_derefs;	2278	$f->resolve_delayed_derefs;
		2279	}
2041	}	2280	}
2042	}	2281	}
2043	}
2044		2282
2045	$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);
2046		2290
2047	cf::cede_to_tick;	2291	cf::cede_to_tick;
2048	# now do the right thing for maps	2292	# now do the right thing for maps
2049	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
2050	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
…		…
2054	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
2055	$self->decay_objects;	2299	$self->decay_objects;
2056	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
2057	$self->update_buttons;	2301	$self->update_buttons;
2058	cf::cede_to_tick;	2302	cf::cede_to_tick;
2059	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
2060	cf::cede_to_tick;
2061	$self->activate;
2062	}	2304	}
2063		2305
2064	$self->{last_save} = $cf::RUNTIME;	2306	$self->{last_save} = $cf::RUNTIME;
2065	$self->last_access ($cf::RUNTIME);	2307	$self->last_access ($cf::RUNTIME);
2066
2067	$self->in_memory (cf::MAP_ACTIVE);
2068	}	2308	}
2069		2309
2070	$self->post_load;	2310	$self->post_load;
2071	}
2072		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
2073	sub customise_for {	2318	sub customise_for {
2074	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
2075		2320
2076	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
2077	if $self->per_player;	2322	if $self->per_player;
…		…
2080	# if $self->per_party;	2325	# if $self->per_party;
2081		2326
2082	$self	2327	$self
2083	}	2328	}
2084		2329
2085	# find and load all maps in the 3x3 area around a map
2086	sub load_neighbours {
2087	my ($map) = @_;
2088
2089	my @neigh; # diagonal neighbours
2090
2091	for (0 .. 3) {
2092	my $neigh = $map->tile_path ($_)
2093	or next;
2094	$neigh = find $neigh, $map
2095	or next;
2096	$neigh->load;
2097
2098	push @neigh,
2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2101	}
2102
2103	for (grep defined $_->[0], @neigh) {
2104	my ($path, $origin) = @$_;
2105	my $neigh = find $path, $origin
2106	or next;
2107	$neigh->load;
2108	}
2109	}
2110
2111	sub find_sync {	2330	sub find_sync {
2112	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
2113		2332
2114	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, $origin
2115	}	2338	}
2116		2339
2117	sub do_load_sync {	2340	sub do_load_sync {
2118	my ($map) = @_;	2341	my ($map) = @_;
2119		2342
		2343	# it's a bug to call this from the main context
2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2121	if $Coro::current == $Coro::main;	2345	if $Coro::current == $Coro::main;
2122		2346
2123	cf::sync_job { $map->load };	2347	$map->load;
2124	}	2348	}
2125		2349
2126	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
2127	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
2128		2352
2129	sub find_async {	2353	sub find_async {
2130	my ($path, $origin, $load) = @_;	2354	my ($path, $origin, $load) = @_;
2131		2355
2132	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
2133		2357
2134	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
2135	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2359	return $map if !$load || $map->linkable;
2136	}	2360	}
2137		2361
2138	$MAP_PREFETCH{$path} |= $load;	2362	$MAP_PREFETCH{$path} |= $load;
2139		2363
2140	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
…		…
2154	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
2155		2379
2156	()	2380	()
2157	}	2381	}
2158		2382
		2383	# common code, used by both ->save and ->swapout
2159	sub save {	2384	sub _save {
2160	my ($self) = @_;	2385	my ($self) = @_;
2161
2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
2163		2386
2164	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
2165		2388
2166	return unless $self->dirty;	2389	return unless $self->dirty;
2167		2390
…		…
2187	} else {	2410	} else {
2188	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2189	}	2412	}
2190	}	2413	}
2191		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
2192	sub swap_out {	2423	sub swap_out {
2193	my ($self) = @_;	2424	my ($self) = @_;
2194		2425
2195	# save first because save cedes
2196	$self->save;
2197
2198	my $lock = cf::lock_acquire "map_data:$self->{path}";	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
2199		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
2200	return if $self->players;	2430	return if $self->players;
2201	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
2202	return if $self->{deny_save};	2448	return 1e99 if $self->{deny_reset};
2203		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
2204	$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};
2205		2482
2206	$self->deactivate;	2483	$self->deactivate;
2207	$_->clear_links_to ($self) for values %cf::MAP;	2484	$_->clear_links_to ($self) for values %cf::MAP;
2208	$self->clear;	2485	$self->clear;
2209	}
2210
2211	sub reset_at {
2212	my ($self) = @_;
2213
2214	# TODO: safety, remove and allow resettable per-player maps
2215	return 1e99 if $self->{deny_reset};
2216
2217	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2218	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2219
2220	$time + $to
2221	}
2222
2223	sub should_reset {
2224	my ($self) = @_;
2225
2226	$self->reset_at <= $cf::RUNTIME
2227	}
2228
2229	sub reset {
2230	my ($self) = @_;
2231
2232	my $lock = cf::lock_acquire "map_data:$self->{path}";
2233
2234	return if $self->players;
2235
2236	warn "resetting map ", $self->path;
2237
2238	$self->in_memory (cf::MAP_SWAPPED);
2239
2240	# need to save uniques path
2241	unless ($self->{deny_save}) {
2242	my $uniq = $self->uniq_path; utf8::encode $uniq;
2243
2244	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2245	if $uniq;
2246	}
2247
2248	delete $cf::MAP{$self->path};
2249
2250	$self->deactivate;
2251	$_->clear_links_to ($self) for values %cf::MAP;
2252	$self->clear;
2253		2486
2254	$self->unlink_save;	2487	$self->unlink_save;
2255	$self->destroy;	2488	$self->destroy;
2256	}	2489	}
2257		2490
…		…
2265		2498
2266	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
2267		2500
2268	$self->unlink_save;	2501	$self->unlink_save;
2269		2502
2270	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
2271	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
2272	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
2273	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
2274	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2275		2508
…		…
2332	: normalise $_	2565	: normalise $_
2333	} @{ aio_readdir $UNIQUEDIR or [] }	2566	} @{ aio_readdir $UNIQUEDIR or [] }
2334	]	2567	]
2335	}	2568	}
2336		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
2337	=back	2602	=back
2338		2603
2339	=head3 cf::object	2604	=head3 cf::object
2340		2605
2341	=cut	2606	=cut
…		…
2406		2671
2407	our $SAY_CHANNEL = {	2672	our $SAY_CHANNEL = {
2408	id => "say",	2673	id => "say",
2409	title => "Map",	2674	title => "Map",
2410	reply => "say ",	2675	reply => "say ",
2411	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.",
2412	};	2677	};
2413		2678
2414	our $CHAT_CHANNEL = {	2679	our $CHAT_CHANNEL = {
2415	id => "chat",	2680	id => "chat",
2416	title => "Chat",	2681	title => "Chat",
…		…
2473		2738
2474	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}>).
2475		2740
2476	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.
2477	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,
2478	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
2479	map.	2744	map.
2480		2745
2481	Will never block.	2746	Will never block.
2482		2747
2483	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
…		…
2504	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
2505	my ($self) = @_;	2770	my ($self) = @_;
2506		2771
2507	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
2508		2773
		2774	++$self->{_link_recursion};
		2775
2509	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
2510		2777
2511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2512	if $self->map && $self->map->{path} ne "{link}";	2779	if $self->map && $self->map->{path} ne "{link}";
2513		2780
2514	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2515	}	2782	}
2516		2783
2517	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
2518	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
2519		2786
…		…
2536	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
2537	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
2538		2805
2539	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
2540	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
2541	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
2542		2809
2543	$map->load;	2810	$map->load;
2544	$map->load_neighbours;
2545		2811
2546	return unless $self->contr->active;	2812	return unless $self->contr->active;
2547	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2548	$self->activate_recursive;
2549		2813
2550	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2551	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
2552	}	2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
		2819	$self->activate_recursive;
		2820	}
2553		2821
		2822	}
		2823
2554	=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)]])
2555		2825
2556	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
2557	her, loading and preparing them map, calling the provided $check callback	2827	her, loading and preparing them map, calling the provided $check callback
2558	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
2559	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
…		…
2566		2836
2567	our $GOTOGEN;	2837	our $GOTOGEN;
2568		2838
2569	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
2570	my ($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	}
2571		2847
2572	# 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
2573	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2574		2850
2575	$self->enter_link;	2851	$self->enter_link;
…		…
2595	($path, $x, $y) = (undef, undef, undef);	2871	($path, $x, $y) = (undef, undef, undef);
2596	}	2872	}
2597	}	2873	}
2598		2874
2599	my $map = eval {	2875	my $map = eval {
2600	my $map = defined $path ? cf::map::find $path : undef;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2601		2877
2602	if ($map) {	2878	if ($map) {
2603	$map = $map->customise_for ($self);	2879	$map = $map->customise_for ($self);
2604	$map = $check->($map) if $check && $map;	2880	$map = $check->($map, $x, $y, $self) if $check && $map;
2605	} else {	2881	} else {
2606	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2607	}	2883	}
2608		2884
2609	$map	2885	$map
…		…
2617	if ($gen == $self->{_goto_generation}) {	2893	if ($gen == $self->{_goto_generation}) {
2618	delete $self->{_goto_generation};	2894	delete $self->{_goto_generation};
2619	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
2620	}	2896	}
2621		2897
2622	$done->() if $done;	2898	$done->($self) if $done;
2623	})->prio (1);	2899	})->prio (1);
2624	}	2900	}
2625		2901
2626	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
2627		2903
…		…
2695	$Coro::current->{desc} = "enter_exit";	2971	$Coro::current->{desc} = "enter_exit";
2696		2972
2697	unless (eval {	2973	unless (eval {
2698	$self->deactivate_recursive; # just to be sure	2974	$self->deactivate_recursive; # just to be sure
2699		2975
2700	# random map handling
2701	{
2702	my $guard = cf::lock_acquire "exit_prepare:$exit";
2703
2704	prepare_random_map $exit
2705	if $exit->slaying eq "/!";
2706	}
2707
2708	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2976	my $map = cf::map::normalise $exit->slaying, $exit->map;
2709	my $x = $exit->stats->hp;	2977	my $x = $exit->stats->hp;
2710	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	}
2711		3002
2712	$self->goto ($map, $x, $y);	3003	$self->goto ($map, $x, $y);
2713		3004
2714	# if exit is damned, update players death & WoR home-position	3005	# if exit is damned, update players death & WoR home-position
2715	$self->contr->savebed ($map, $x, $y)	3006	$self->contr->savebed ($map, $x, $y)
…		…
2720	$self->message ("Something went wrong deep within the deliantra server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2721	. "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. "
2722	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2723	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2724		3015
2725	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2726	$self->leave_link;	3017	$self->leave_link;
2727	}	3018	}
2728	})->prio (1);	3019	})->prio (1);
2729	}	3020	}
2730		3021
…		…
2742	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
2743	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
2744		3035
2745	utf8::encode $text;	3036	utf8::encode $text;
2746	$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);
2747	}	3063	}
2748		3064
2749	=item $client->send_msg ($channel, $msg, $color, [extra...])	3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
2750		3066
2751	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
…		…
2755		3071
2756	=cut	3072	=cut
2757		3073
2758	# non-persistent channels (usually the info channel)	3074	# non-persistent channels (usually the info channel)
2759	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	},
2760	"c/identify" => {	3082	"c/identify" => {
2761	id => "infobox",	3083	id => "infobox",
2762	title => "Identify",	3084	title => "Identify",
2763	reply => undef,	3085	reply => undef,
2764	tooltip => "Items recently identified",	3086	tooltip => "Items recently identified",
…		…
2766	"c/examine" => {	3088	"c/examine" => {
2767	id => "infobox",	3089	id => "infobox",
2768	title => "Examine",	3090	title => "Examine",
2769	reply => undef,	3091	reply => undef,
2770	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",
2771	},	3099	},
2772	"c/book" => {	3100	"c/book" => {
2773	id => "infobox",	3101	id => "infobox",
2774	title => "Book",	3102	title => "Book",
2775	reply => undef,	3103	reply => undef,
…		…
2791	id => "infobox",	3119	id => "infobox",
2792	title => "Body Parts",	3120	title => "Body Parts",
2793	reply => undef,	3121	reply => undef,
2794	tooltip => "Shows which body parts you posess and are available",	3122	tooltip => "Shows which body parts you posess and are available",
2795	},	3123	},
		3124	"c/statistics" => {
		3125	id => "infobox",
		3126	title => "Statistics",
		3127	reply => undef,
		3128	tooltip => "Shows your primary statistics",
		3129	},
2796	"c/skills" => {	3130	"c/skills" => {
2797	id => "infobox",	3131	id => "infobox",
2798	title => "Skills",	3132	title => "Skills",
2799	reply => undef,	3133	reply => undef,
2800	tooltip => "Shows your experience per skill and item power",	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",
2801	},	3159	},
2802	"c/uptime" => {	3160	"c/uptime" => {
2803	id => "infobox",	3161	id => "infobox",
2804	title => "Uptime",	3162	title => "Uptime",
2805	reply => undef,	3163	reply => undef,
…		…
2815	id => "party",	3173	id => "party",
2816	title => "Party",	3174	title => "Party",
2817	reply => "gsay ",	3175	reply => "gsay ",
2818	tooltip => "Messages and chat related to your party",	3176	tooltip => "Messages and chat related to your party",
2819	},	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" => $CHAT_CHANNEL,
2820	);	3186	);
2821		3187
2822	sub cf::client::send_msg {	3188	sub cf::client::send_msg {
2823	my ($self, $channel, $msg, $color, @extra) = @_;	3189	my ($self, $channel, $msg, $color, @extra) = @_;
2824		3190
…		…
2829		3195
2830	# check predefined channels, for the benefit of C	3196	# check predefined channels, for the benefit of C
2831	if ($CHANNEL{$channel}) {	3197	if ($CHANNEL{$channel}) {
2832	$channel = $CHANNEL{$channel};	3198	$channel = $CHANNEL{$channel};
2833		3199
2834	$self->ext_msg (channel_info => $channel)	3200	$self->ext_msg (channel_info => $channel);
2835	if $self->can_msg;
2836
2837	$channel = $channel->{id};	3201	$channel = $channel->{id};
2838		3202
2839	} elsif (ref $channel) {	3203	} elsif (ref $channel) {
2840	# send meta info to client, if not yet sent	3204	# send meta info to client, if not yet sent
2841	unless (exists $self->{channel}{$channel->{id}}) {	3205	unless (exists $self->{channel}{$channel->{id}}) {
2842	$self->{channel}{$channel->{id}} = $channel;	3206	$self->{channel}{$channel->{id}} = $channel;
2843	$self->ext_msg (channel_info => $channel)	3207	$self->ext_msg (channel_info => $channel);
2844	if $self->can_msg;
2845	}	3208	}
2846		3209
2847	$channel = $channel->{id};	3210	$channel = $channel->{id};
2848	}	3211	}
2849		3212
2850	return unless @extra || length $msg;	3213	return unless @extra || length $msg;
2851		3214
2852	if ($self->can_msg) {
2853	# default colour, mask it out	3215	# default colour, mask it out
2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2855	if $color & cf::NDI_DEF;	3217	if $color & cf::NDI_DEF;
2856		3218
2857	my $pkt = "msg "	3219	my $pkt = "msg "
2858	. $self->{json_coder}->encode (	3220	. $self->{json_coder}->encode (
2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2860	);	3222	);
2861		3223
2862	# try lzf for large packets
2863	$pkt = "lzf " . Compress::LZF::compress $pkt
2864	if 1024 <= length $pkt and $self->{can_lzf};
2865
2866	# split very large packets
2867	if (8192 < length $pkt and $self->{can_lzf}) {
2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2869	$pkt = "frag";
2870	}
2871
2872	$self->send_packet ($pkt);	3224	$self->send_big_packet ($pkt);
2873	} else {
2874	if ($color >= 0) {
2875	# replace some tags by gcfclient-compatible ones
2876	for ($msg) {
2877	1 while
2878	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2879	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2880	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2881	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2882	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2883	}
2884
2885	$color &= cf::NDI_COLOR_MASK;
2886
2887	utf8::encode $msg;
2888
2889	if (0 && $msg =~ /\[/) {
2890	# COMMAND/INFO
2891	$self->send_packet ("drawextinfo $color 10 8 $msg")
2892	} else {
2893	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2894	$self->send_packet ("drawinfo $color $msg")
2895	}
2896	}
2897	}
2898	}	3225	}
2899		3226
2900	=item $client->ext_msg ($type, @msg)	3227	=item $client->ext_msg ($type, @msg)
2901		3228
2902	Sends an ext event to the client.	3229	Sends an ext event to the client.
…		…
2905		3232
2906	sub cf::client::ext_msg($$@) {	3233	sub cf::client::ext_msg($$@) {
2907	my ($self, $type, @msg) = @_;	3234	my ($self, $type, @msg) = @_;
2908		3235
2909	if ($self->extcmd == 2) {	3236	if ($self->extcmd == 2) {
2910	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2911	} elsif ($self->extcmd == 1) { # TODO: remove	3238	} elsif ($self->extcmd == 1) { # TODO: remove
2912	push @msg, msgtype => "event_$type";	3239	push @msg, msgtype => "event_$type";
2913	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2914	}	3241	}
2915	}	3242	}
2916		3243
2917	=item $client->ext_reply ($msgid, @msg)	3244	=item $client->ext_reply ($msgid, @msg)
2918		3245
…		…
2921	=cut	3248	=cut
2922		3249
2923	sub cf::client::ext_reply($$@) {	3250	sub cf::client::ext_reply($$@) {
2924	my ($self, $id, @msg) = @_;	3251	my ($self, $id, @msg) = @_;
2925		3252
2926	if ($self->extcmd == 2) {	3253	return unless $self->extcmd == 2;
		3254
2927	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2928	} elsif ($self->extcmd == 1) {
2929	#TODO: version 1, remove
2930	unshift @msg, msgtype => "reply", msgid => $id;
2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2932	}
2933	}	3256	}
2934		3257
2935	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2936		3259
2937	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
…		…
2992	my ($ns, $buf) = @_;	3315	my ($ns, $buf) = @_;
2993		3316
2994	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2995		3318
2996	if (ref $msg) {	3319	if (ref $msg) {
2997	my ($type, $reply, @payload) =	3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2998	"ARRAY" eq ref $msg
2999	? @$msg
3000	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3001		3321
3002	my @reply;	3322	my @reply;
3003		3323
3004	if (my $cb = $EXTICMD{$type}) {	3324	if (my $cb = $EXTICMD{$type}) {
3005	@reply = $cb->($ns, @payload);	3325	@reply = $cb->($ns, @payload);
…		…
3007		3327
3008	$ns->ext_reply ($reply, @reply)	3328	$ns->ext_reply ($reply, @reply)
3009	if $reply;	3329	if $reply;
3010		3330
3011	} else {	3331	} else {
3012	warn "client " . ($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";
3013	}	3333	}
3014		3334
3015	cf::override;	3335	cf::override;
3016	},	3336	},
3017	);	3337	);
…		…
3037		3357
3038	$coro	3358	$coro
3039	}	3359	}
3040		3360
3041	cf::client->attach (	3361	cf::client->attach (
3042	on_destroy => sub {	3362	on_client_destroy => sub {
3043	my ($ns) = @_;	3363	my ($ns) = @_;
3044		3364
3045	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3046	},	3366	},
3047	);	3367	);
…		…
3063	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
3064		3384
3065	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
3066		3386
3067	$safe->permit_only (Opcode::opset qw(	3387	$safe->permit_only (Opcode::opset qw(
3068	:base_core :base_mem :base_orig :base_math	3388	:base_core :base_mem :base_orig :base_math :base_loop
3069	grepstart grepwhile mapstart mapwhile	3389	grepstart grepwhile mapstart mapwhile
3070	sort time	3390	sort time
3071	));	3391	));
3072		3392
3073	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
…		…
3077	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
3078		3398
3079	cf::object	3399	cf::object
3080	contr pay_amount pay_player map x y force_find force_add destroy	3400	contr pay_amount pay_player map x y force_find force_add destroy
3081	insert remove name archname title slaying race decrease split	3401	insert remove name archname title slaying race decrease split
		3402	value
3082		3403
3083	cf::object::player	3404	cf::object::player
3084	player	3405	player
3085		3406
3086	cf::player	3407	cf::player
…		…
3092	=cut	3413	=cut
3093		3414
3094	for (	3415	for (
3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3096	insert remove inv nrof name archname title slaying race	3417	insert remove inv nrof name archname title slaying race
3097	decrease split destroy change_exp)],	3418	decrease split destroy change_exp value msg lore send_msg)],
3098	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
3099	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
3100	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
3101	) {	3422	) {
3102	no strict 'refs';
3103	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
3104	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3105	for @funs;	3425	for @funs;
3106	}	3426	}
3107		3427
…		…
3122		3442
3123	my $qcode = $code;	3443	my $qcode = $code;
3124	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3125	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
3126		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
3127	local $_;	3450	local $_;
3128	local @safe::cf::_safe_eval_args = values %vars;
3129		3451
3130	my $eval =	3452	my $eval =
3131	"do {\n"	3453	"do {\n"
3132	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3133	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
3134	. $code	3456	. $code
3135	. "\n}"	3457	. "\n}"
3136	;	3458	;
3137		3459
		3460	if ($CFG{safe_eval}) {
3138	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
3139	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3140	sub_generation_inc;	3464	sub_generation_inc;
		3465	} else {
		3466	local @cf::_safe_eval_args = values %vars;
		3467	@res = wantarray ? eval eval : scalar eval $eval;
		3468	}
3141		3469
3142	if ($@) {	3470	if ($@) {
3143	warn "$@";	3471	warn "$@",
3144	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
3145	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
3146	}	3474	}
3147		3475
3148	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
3149	}	3477	}
3150		3478
…		…
3164	=cut	3492	=cut
3165		3493
3166	sub register_script_function {	3494	sub register_script_function {
3167	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
3168		3496
3169	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
3170	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
3171	}	3499	}
3172		3500
3173	=back	3501	=back
3174		3502
3175	=cut	3503	=cut
3176		3504
3177	#############################################################################	3505	#############################################################################
3178	# 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
3179		3509
3180	sub load_facedata($) {	3510	sub load_facedata($) {
3181	my ($path) = @_;	3511	my ($path) = @_;
3182		3512
3183	# 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
3184	# for this (global event?)	3514	# for this (global event?)
3185	%ext::player_env::MUSIC_FACE_CACHE = ();	3515	%ext::player_env::MUSIC_FACE_CACHE = ();
3186		3516
3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3188		3518
3189	warn "loading facedata from $path\n";	3519	trace "loading facedata from $path\n";
3190		3520
3191	my $facedata;	3521	my $facedata = decode_storable load_file $path;
3192	0 < aio_load $path, $facedata
3193	or die "$path: $!";
3194
3195	$facedata = Coro::Storable::thaw $facedata;
3196		3522
3197	$facedata->{version} == 2	3523	$facedata->{version} == 2
3198	or cf::cleanup "$path: version mismatch, cannot proceed.";	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
3199		3525
3200	# 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]);
3201	$facedata->{resource}{"res/exp_table"} = {	3528	$facedata->{resource}{"res/exp_table"} = {
3202	type => FT_RSRC,	3529	type => FT_RSRC,
3203	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),
3204	};	3532	};
3205	cf::cede_to_tick;	3533	cf::cede_to_tick;
3206		3534
3207	{	3535	{
3208	my $faces = $facedata->{faceinfo};	3536	my $faces = $facedata->{faceinfo};
3209		3537
3210	while (my ($face, $info) = each %$faces) {	3538	for my $face (sort keys %$faces) {
		3539	my $info = $faces->{$face};
3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3540	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3212		3541
3213	cf::face::set_visibility $idx, $info->{visibility};	3542	cf::face::set_visibility $idx, $info->{visibility};
3214	cf::face::set_magicmap $idx, $info->{magicmap};	3543	cf::face::set_magicmap $idx, $info->{magicmap};
3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3544	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3545	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3546	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3547	$FACEHASH{$info->{hash64}} = $idx;#d#
3217		3548
3218	cf::cede_to_tick;	3549	cf::cede_to_tick;
3219	}	3550	}
3220		3551
3221	while (my ($face, $info) = each %$faces) {	3552	while (my ($face, $info) = each %$faces) {
…		…
3226		3557
3227	if (my $smooth = cf::face::find $info->{smooth}) {	3558	if (my $smooth = cf::face::find $info->{smooth}) {
3228	cf::face::set_smooth $idx, $smooth;	3559	cf::face::set_smooth $idx, $smooth;
3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3560	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3230	} else {	3561	} else {
3231	warn "smooth face '$info->{smooth}' not found for face '$face'";	3562	error "smooth face '$info->{smooth}' not found for face '$face'";
3232	}	3563	}
3233		3564
3234	cf::cede_to_tick;	3565	cf::cede_to_tick;
3235	}	3566	}
3236	}	3567	}
…		…
3245		3576
3246	cf::anim::invalidate_all; # d'oh	3577	cf::anim::invalidate_all; # d'oh
3247	}	3578	}
3248		3579
3249	{	3580	{
3250	# TODO: for gcfclient pleasure, we should give resources
3251	# that gcfclient doesn't grok a >10000 face index.
3252	my $res = $facedata->{resource};	3581	my $res = $facedata->{resource};
3253		3582
3254	while (my ($name, $info) = each %$res) {	3583	while (my ($name, $info) = each %$res) {
3255	if (defined $info->{type}) {	3584	if (defined (my $type = $info->{type})) {
		3585	# TODO: different hash - must free and use new index, or cache ixface data queue
3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3586	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3257	my $data;
3258		3587
3259	if ($info->{type} & 1) {	3588	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3260	# prepend meta info
3261
3262	my $meta = $enc->encode ({
3263	name => $name,
3264	%{ $info->{meta} || {} },
3265	});
3266
3267	$data = pack "(w/a*)*", $meta, $info->{data};
3268	} else {
3269	$data = $info->{data};
3270	}
3271
3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3273	cf::face::set_type $idx, $info->{type};	3589	cf::face::set_type $idx, $type;
		3590	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3591	$FACEHASH{$info->{hash}} = $idx;#d#
3274	} else {	3592	} else {
3275	$RESOURCE{$name} = $info;	3593	# $RESOURCE{$name} = $info; # unused
3276	}	3594	}
3277		3595
3278	cf::cede_to_tick;	3596	cf::cede_to_tick;
3279	}	3597	}
3280	}	3598	}
3281		3599
3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3600	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3283		3601
3284	1	3602	1
3285	}	3603	}
3286
3287	cf::global->attach (on_resource_update => sub {
3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3290
3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3292	my $sound = $soundconf->{compat}[$_]
3293	or next;
3294
3295	my $face = cf::face::find "sound/$sound->[1]";
3296	cf::sound::set $sound->[0] => $face;
3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3298	}
3299
3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
3301	my $face = cf::face::find "sound/$v";
3302	cf::sound::set $k => $face;
3303	}
3304	}
3305	});
3306		3604
3307	register_exticmd fx_want => sub {	3605	register_exticmd fx_want => sub {
3308	my ($ns, $want) = @_;	3606	my ($ns, $want) = @_;
3309		3607
3310	while (my ($k, $v) = each %$want) {	3608	while (my ($k, $v) = each %$want) {
…		…
3349	sub reload_treasures {	3647	sub reload_treasures {
3350	load_resource_file "$DATADIR/treasures"	3648	load_resource_file "$DATADIR/treasures"
3351	or die "unable to load treasurelists\n";	3649	or die "unable to load treasurelists\n";
3352	}	3650	}
3353		3651
		3652	sub reload_sound {
		3653	trace "loading sound config from $DATADIR/sound\n";
		3654
		3655	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3656
		3657	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3658	my $sound = $soundconf->{compat}[$_]
		3659	or next;
		3660
		3661	my $face = cf::face::find "sound/$sound->[1]";
		3662	cf::sound::set $sound->[0] => $face;
		3663	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3664	}
		3665
		3666	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3667	my $face = cf::face::find "sound/$v";
		3668	cf::sound::set $k => $face;
		3669	}
		3670	}
		3671
3354	sub reload_resources {	3672	sub reload_resources {
3355	warn "reloading resource files...\n";	3673	trace "reloading resource files...\n";
3356		3674
		3675	reload_exp_table;
		3676	reload_materials;
3357	reload_facedata;	3677	reload_facedata;
		3678	reload_sound;
3358	reload_archetypes;	3679	reload_archetypes;
3359	reload_regions;	3680	reload_regions;
3360	reload_treasures;	3681	reload_treasures;
3361		3682
3362	warn "finished reloading resource files\n";	3683	trace "finished reloading resource files\n";
3363	}	3684	}
3364		3685
3365	sub reload_config {	3686	sub reload_config {
3366	open my $fh, "<:utf8", "$CONFDIR/config"	3687	trace "reloading config file...\n";
3367	or return;
3368		3688
3369	local $/;	3689	my $config = load_file "$CONFDIR/config";
3370	*CFG = YAML::Load <$fh>;	3690	utf8::decode $config;
		3691	*CFG = decode_yaml $config;
3371		3692
3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3693	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3373		3694
3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3695	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3696	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3376		3697
3377	if (exists $CFG{mlockall}) {	3698	if (exists $CFG{mlockall}) {
…		…
3400		3721
3401	seek $fh, 0, 0;	3722	seek $fh, 0, 0;
3402	print $fh $$;	3723	print $fh $$;
3403	}	3724	}
3404		3725
		3726	sub main_loop {
		3727	trace "EV::loop starting\n";
		3728	if (1) {
		3729	EV::loop;
		3730	}
		3731	trace "EV::loop returned\n";
		3732	goto &main_loop unless $REALLY_UNLOOP;
		3733	}
		3734
3405	sub main {	3735	sub main {
3406	cf::init_globals; # initialise logging	3736	cf::init_globals; # initialise logging
3407		3737
3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;	3738	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";	3739	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";	3740	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";	3741	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3412
3413	cf::init_experience;
3414	cf::init_anim;
3415	cf::init_attackmess;
3416	cf::init_dynamic;
3417	cf::init_block;
3418		3742
3419	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3743	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3420		3744
3421	# we must not ever block the main coroutine	3745	# we must not ever block the main coroutine
3422	local $Coro::idle = sub {	3746	local $Coro::idle = sub {
…		…
3428	};	3752	};
3429		3753
3430	evthread_start IO::AIO::poll_fileno;	3754	evthread_start IO::AIO::poll_fileno;
3431		3755
3432	cf::sync_job {	3756	cf::sync_job {
		3757	cf::incloader::init ();
		3758
		3759	cf::init_anim;
		3760	cf::init_attackmess;
		3761	cf::init_dynamic;
		3762
		3763	cf::load_settings;
		3764
3433	reload_resources;	3765	reload_resources;
3434	reload_config;	3766	reload_config;
3435	db_init;	3767	db_init;
3436		3768
3437	cf::load_settings;
3438	cf::load_materials;
3439	cf::init_uuid;	3769	cf::init_uuid;
3440	cf::init_signals;	3770	cf::init_signals;
3441	cf::init_commands;
3442	cf::init_skills;	3771	cf::init_skills;
3443		3772
3444	cf::init_beforeplay;	3773	cf::init_beforeplay;
3445		3774
3446	atomic;	3775	atomic;
…		…
3448	load_extensions;	3777	load_extensions;
3449		3778
3450	utime time, time, $RUNTIMEFILE;	3779	utime time, time, $RUNTIMEFILE;
3451		3780
3452	# no (long-running) fork's whatsoever before this point(!)	3781	# no (long-running) fork's whatsoever before this point(!)
		3782	use POSIX ();
3453	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};	3783	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3454		3784
3455	(pop @POST_INIT)->(0) while @POST_INIT;	3785	cf::_post_init 0;
3456	};	3786	};
3457		3787
3458	EV::loop;	3788	cf::object::thawer::errors_are_fatal 0;
		3789	info "parse errors in files are no longer fatal from this point on.\n";
		3790
		3791	AE::postpone {
		3792	undef &main; # free gobs of memory :)
		3793	};
		3794
		3795	goto &main_loop;
3459	}	3796	}
3460		3797
3461	#############################################################################	3798	#############################################################################
3462	# initialisation and cleanup	3799	# initialisation and cleanup
3463		3800
3464	# install some emergency cleanup handlers	3801	# install some emergency cleanup handlers
3465	BEGIN {	3802	BEGIN {
3466	our %SIGWATCHER = ();	3803	our %SIGWATCHER = ();
3467	for my $signal (qw(INT HUP TERM)) {	3804	for my $signal (qw(INT HUP TERM)) {
3468	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3805	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3469	cf::cleanup "SIG$signal";	3806	cf::cleanup "SIG$signal";
3470	};	3807	};
3471	}	3808	}
3472	}	3809	}
3473		3810
3474	sub write_runtime_sync {	3811	sub write_runtime_sync {
		3812	my $t0 = AE::time;
		3813
3475	# first touch the runtime file to show we are still running:	3814	# first touch the runtime file to show we are still running:
3476	# the fsync below can take a very very long time.	3815	# the fsync below can take a very very long time.
3477		3816
3478	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;	3817	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3479		3818
3480	my $guard = cf::lock_acquire "write_runtime";	3819	my $guard = cf::lock_acquire "write_runtime";
3481		3820
3482	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644	3821	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3483	or return;	3822	or return;
3484		3823
3485	my $value = $cf::RUNTIME + 90 + 10;	3824	my $value = $cf::RUNTIME + 90 + 10;
3486	# 10 is the runtime save interval, for a monotonic clock	3825	# 10 is the runtime save interval, for a monotonic clock
3487	# 60 allows for the watchdog to kill the server.	3826	# 60 allows for the watchdog to kill the server.
…		…
3500	or return;	3839	or return;
3501		3840
3502	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE	3841	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3503	and return;	3842	and return;
3504		3843
3505	warn "runtime file written.\n";	3844	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3506		3845
3507	1	3846	1
3508	}	3847	}
3509		3848
3510	our $uuid_lock;	3849	our $uuid_lock;
…		…
3522	or return;	3861	or return;
3523		3862
3524	my $value = uuid_seq uuid_cur;	3863	my $value = uuid_seq uuid_cur;
3525		3864
3526	unless ($value) {	3865	unless ($value) {
3527	warn "cowardly refusing to write zero uuid value!\n";	3866	info "cowardly refusing to write zero uuid value!\n";
3528	return;	3867	return;
3529	}	3868	}
3530		3869
3531	my $value = uuid_str $value + $uuid_skip;	3870	my $value = uuid_str $value + $uuid_skip;
3532	$uuid_skip = 0;	3871	$uuid_skip = 0;
…		…
3542	or return;	3881	or return;
3543		3882
3544	aio_rename "$uuid~", $uuid	3883	aio_rename "$uuid~", $uuid
3545	and return;	3884	and return;
3546		3885
3547	warn "uuid file written ($value).\n";	3886	trace "uuid file written ($value).\n";
3548		3887
3549	1	3888	1
3550		3889
3551	}	3890	}
3552		3891
…		…
3558	}	3897	}
3559		3898
3560	sub emergency_save() {	3899	sub emergency_save() {
3561	my $freeze_guard = cf::freeze_mainloop;	3900	my $freeze_guard = cf::freeze_mainloop;
3562		3901
3563	warn "enter emergency perl save\n";	3902	info "emergency_perl_save: enter\n";
		3903
		3904	# this is a trade-off: we want to be very quick here, so
		3905	# save all maps without fsync, and later call a global sync
		3906	# (which in turn might be very very slow)
		3907	local $USE_FSYNC = 0;
3564		3908
3565	cf::sync_job {	3909	cf::sync_job {
		3910	cf::write_runtime_sync; # external watchdog should not bark
		3911
3566	# use a peculiar iteration method to avoid tripping on perl	3912	# use a peculiar iteration method to avoid tripping on perl
3567	# refcount bugs in for. also avoids problems with players	3913	# refcount bugs in for. also avoids problems with players
3568	# and maps saved/destroyed asynchronously.	3914	# and maps saved/destroyed asynchronously.
3569	warn "begin emergency player save\n";	3915	info "emergency_perl_save: begin player save\n";
3570	for my $login (keys %cf::PLAYER) {	3916	for my $login (keys %cf::PLAYER) {
3571	my $pl = $cf::PLAYER{$login} or next;	3917	my $pl = $cf::PLAYER{$login} or next;
3572	$pl->valid or next;	3918	$pl->valid or next;
3573	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3919	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3574	$pl->save;	3920	$pl->save;
3575	}	3921	}
3576	warn "end emergency player save\n";	3922	info "emergency_perl_save: end player save\n";
3577		3923
3578	warn "begin emergency map save\n";	3924	cf::write_runtime_sync; # external watchdog should not bark
		3925
		3926	info "emergency_perl_save: begin map save\n";
3579	for my $path (keys %cf::MAP) {	3927	for my $path (keys %cf::MAP) {
3580	my $map = $cf::MAP{$path} or next;	3928	my $map = $cf::MAP{$path} or next;
3581	$map->valid or next;	3929	$map->valid or next;
3582	$map->save;	3930	$map->save;
3583	}	3931	}
3584	warn "end emergency map save\n";	3932	info "emergency_perl_save: end map save\n";
3585		3933
3586	warn "begin emergency database checkpoint\n";	3934	cf::write_runtime_sync; # external watchdog should not bark
		3935
		3936	info "emergency_perl_save: begin database checkpoint\n";
3587	BDB::db_env_txn_checkpoint $DB_ENV;	3937	BDB::db_env_txn_checkpoint $DB_ENV;
3588	warn "end emergency database checkpoint\n";	3938	info "emergency_perl_save: end database checkpoint\n";
3589		3939
3590	warn "begin write uuid\n";	3940	info "emergency_perl_save: begin write uuid\n";
3591	write_uuid_sync 1;	3941	write_uuid_sync 1;
3592	warn "end write uuid\n";	3942	info "emergency_perl_save: end write uuid\n";
		3943
		3944	cf::write_runtime_sync; # external watchdog should not bark
		3945
		3946	trace "emergency_perl_save: syncing database to disk";
		3947	BDB::db_env_txn_checkpoint $DB_ENV;
		3948
		3949	info "emergency_perl_save: starting sync\n";
		3950	IO::AIO::aio_sync sub {
		3951	info "emergency_perl_save: finished sync\n";
		3952	};
		3953
		3954	cf::write_runtime_sync; # external watchdog should not bark
		3955
		3956	trace "emergency_perl_save: flushing outstanding aio requests";
		3957	while (IO::AIO::nreqs || BDB::nreqs) {
		3958	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3959	}
		3960
		3961	cf::write_runtime_sync; # external watchdog should not bark
3593	};	3962	};
3594		3963
3595	warn "leave emergency perl save\n";	3964	info "emergency_perl_save: leave\n";
3596	}	3965	}
3597		3966
3598	sub post_cleanup {	3967	sub post_cleanup {
3599	my ($make_core) = @_;	3968	my ($make_core) = @_;
3600		3969
		3970	IO::AIO::flush;
		3971
3601	warn Carp::longmess "post_cleanup backtrace"	3972	error Carp::longmess "post_cleanup backtrace"
3602	if $make_core;	3973	if $make_core;
3603		3974
3604	my $fh = pidfile;	3975	my $fh = pidfile;
3605	unlink $PIDFILE if <$fh> == $$;	3976	unlink $PIDFILE if <$fh> == $$;
3606	}	3977	}
…		…
3626	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	3997	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3627	for my $name (keys %$leaf_symtab) {	3998	for my $name (keys %$leaf_symtab) {
3628	_gv_clear *{"$pkg$name"};	3999	_gv_clear *{"$pkg$name"};
3629	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	4000	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3630	}	4001	}
3631	warn "cleared package $pkg\n";#d#
3632	}	4002	}
3633		4003
3634	sub do_reload_perl() {	4004	sub do_reload_perl() {
3635	# can/must only be called in main	4005	# can/must only be called in main
3636	if ($Coro::current != $Coro::main) {	4006	unless (in_main) {
3637	warn "can only reload from main coroutine";	4007	error "can only reload from main coroutine";
3638	return;	4008	return;
3639	}	4009	}
3640		4010
3641	return if $RELOAD++;	4011	return if $RELOAD++;
3642		4012
		4013	my $t1 = AE::time;
		4014
3643	while ($RELOAD) {	4015	while ($RELOAD) {
3644	warn "reloading...";	4016	cf::get_slot 0.1, -1, "reload_perl";
		4017	info "perl_reload: reloading...";
3645		4018
3646	warn "entering sync_job";	4019	trace "perl_reload: entering sync_job";
3647		4020
3648	cf::sync_job {	4021	cf::sync_job {
3649	cf::write_runtime_sync; # external watchdog should not bark
3650	cf::emergency_save;	4022	#cf::emergency_save;
3651	cf::write_runtime_sync; # external watchdog should not bark
3652		4023
3653	warn "syncing database to disk";
3654	BDB::db_env_txn_checkpoint $DB_ENV;
3655
3656	# if anything goes wrong in here, we should simply crash as we already saved
3657
3658	warn "flushing outstanding aio requests";
3659	while (IO::AIO::nreqs || BDB::nreqs) {
3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3661	}
3662
3663	warn "cancelling all extension coros";	4024	trace "perl_reload: cancelling all extension coros";
3664	$_->cancel for values %EXT_CORO;	4025	$_->cancel for values %EXT_CORO;
3665	%EXT_CORO = ();	4026	%EXT_CORO = ();
3666		4027
3667	warn "removing commands";	4028	trace "perl_reload: removing commands";
3668	%COMMAND = ();	4029	%COMMAND = ();
3669		4030
3670	warn "removing ext/exti commands";	4031	trace "perl_reload: removing ext/exti commands";
3671	%EXTCMD = ();	4032	%EXTCMD = ();
3672	%EXTICMD = ();	4033	%EXTICMD = ();
3673		4034
3674	warn "unloading/nuking all extensions";	4035	trace "perl_reload: unloading/nuking all extensions";
3675	for my $pkg (@EXTS) {	4036	for my $pkg (@EXTS) {
3676	warn "... unloading $pkg";	4037	trace "... unloading $pkg";
3677		4038
3678	if (my $cb = $pkg->can ("unload")) {	4039	if (my $cb = $pkg->can ("unload")) {
3679	eval {	4040	eval {
3680	$cb->($pkg);	4041	$cb->($pkg);
3681	1	4042	1
3682	} or warn "$pkg unloaded, but with errors: $@";	4043	} or error "$pkg unloaded, but with errors: $@";
3683	}	4044	}
3684		4045
3685	warn "... clearing $pkg";	4046	trace "... clearing $pkg";
3686	clear_package $pkg;	4047	clear_package $pkg;
3687	}	4048	}
3688		4049
3689	warn "unloading all perl modules loaded from $LIBDIR";	4050	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3690	while (my ($k, $v) = each %INC) {	4051	while (my ($k, $v) = each %INC) {
3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4052	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3692		4053
3693	warn "... unloading $k";	4054	trace "... unloading $k";
3694	delete $INC{$k};	4055	delete $INC{$k};
3695		4056
3696	$k =~ s/\.pm$//;	4057	$k =~ s/\.pm$//;
3697	$k =~ s/\//::/g;	4058	$k =~ s/\//::/g;
3698		4059
…		…
3701	}	4062	}
3702		4063
3703	clear_package $k;	4064	clear_package $k;
3704	}	4065	}
3705		4066
3706	warn "getting rid of safe::, as good as possible";	4067	trace "perl_reload: getting rid of safe::, as good as possible";
3707	clear_package "safe::$_"	4068	clear_package "safe::$_"
3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4069	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3709		4070
3710	warn "unloading cf.pm \"a bit\"";	4071	trace "perl_reload: unloading cf.pm \"a bit\"";
3711	delete $INC{"cf.pm"};	4072	delete $INC{"cf.pm"};
3712	delete $INC{"cf/pod.pm"};	4073	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3713		4074
3714	# don't, removes xs symbols, too,	4075	# don't, removes xs symbols, too,
3715	# and global variables created in xs	4076	# and global variables created in xs
3716	#clear_package __PACKAGE__;	4077	#clear_package __PACKAGE__;
3717		4078
3718	warn "unload completed, starting to reload now";	4079	info "perl_reload: unload completed, starting to reload now";
3719		4080
3720	warn "reloading cf.pm";	4081	trace "perl_reload: reloading cf.pm";
3721	require cf;	4082	require cf;
3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4083	cf::_connect_to_perl_1;
3723		4084
3724	warn "loading config and database again";	4085	trace "perl_reload: loading config and database again";
3725	cf::reload_config;	4086	cf::reload_config;
3726		4087
3727	warn "loading extensions";	4088	trace "perl_reload: loading extensions";
3728	cf::load_extensions;	4089	cf::load_extensions;
3729		4090
		4091	if ($REATTACH_ON_RELOAD) {
3730	warn "reattaching attachments to objects/players";	4092	trace "perl_reload: reattaching attachments to objects/players";
3731	_global_reattach; # objects, sockets	4093	_global_reattach; # objects, sockets
3732	warn "reattaching attachments to maps";	4094	trace "perl_reload: reattaching attachments to maps";
3733	reattach $_ for values %MAP;	4095	reattach $_ for values %MAP;
3734	warn "reattaching attachments to players";	4096	trace "perl_reload: reattaching attachments to players";
3735	reattach $_ for values %PLAYER;	4097	reattach $_ for values %PLAYER;
		4098	}
3736		4099
3737	warn "running post_load";	4100	cf::_post_init 1;
3738	(pop @POST_INIT)->(1) while @POST_INIT;
3739		4101
3740	warn "leaving sync_job";	4102	trace "perl_reload: leaving sync_job";
3741		4103
3742	1	4104	1
3743	} or do {	4105	} or do {
3744	warn $@;	4106	error $@;
3745	cf::cleanup "error while reloading, exiting.";	4107	cf::cleanup "perl_reload: error, exiting.";
3746	};	4108	};
3747		4109
3748	warn "reloaded";
3749	--$RELOAD;	4110	--$RELOAD;
3750	}	4111	}
		4112
		4113	$t1 = AE::time - $t1;
		4114	info "perl_reload: completed in ${t1}s\n";
3751	};	4115	};
3752		4116
3753	our $RELOAD_WATCHER; # used only during reload	4117	our $RELOAD_WATCHER; # used only during reload
3754		4118
3755	sub reload_perl() {	4119	sub reload_perl() {
3756	# doing reload synchronously and two reloads happen back-to-back,	4120	# doing reload synchronously and two reloads happen back-to-back,
3757	# coro crashes during coro_state_free->destroy here.	4121	# coro crashes during coro_state_free->destroy here.
3758		4122
		4123	$RELOAD_WATCHER ||= cf::async {
		4124	Coro::AIO::aio_wait cache_extensions;
		4125
3759	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {	4126	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3760	do_reload_perl;	4127	do_reload_perl;
3761	undef $RELOAD_WATCHER;	4128	undef $RELOAD_WATCHER;
		4129	};
3762	};	4130	};
3763	}	4131	}
3764		4132
3765	register_command "reload" => sub {	4133	register_command "reload" => sub {
3766	my ($who, $arg) = @_;	4134	my ($who, $arg) = @_;
…		…
3772	reload_perl;	4140	reload_perl;
3773	};	4141	};
3774	}	4142	}
3775	};	4143	};
3776		4144
3777	unshift @INC, $LIBDIR;	4145	#############################################################################
3778		4146
3779	my $bug_warning = 0;	4147	my $bug_warning = 0;
3780		4148
3781	our @WAIT_FOR_TICK;
3782	our @WAIT_FOR_TICK_BEGIN;
3783
3784	sub wait_for_tick {	4149	sub wait_for_tick() {
3785	return if tick_inhibit || $Coro::current == $Coro::main;	4150	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3786		4151
3787	my $signal = new Coro::Signal;	4152	$WAIT_FOR_TICK->wait;
3788	push @WAIT_FOR_TICK, $signal;
3789	$signal->wait;
3790	}	4153	}
3791		4154
3792	sub wait_for_tick_begin {	4155	sub wait_for_tick_begin() {
3793	return if tick_inhibit || $Coro::current == $Coro::main;	4156	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3794		4157
3795	my $signal = new Coro::Signal;	4158	my $signal = new Coro::Signal;
3796	push @WAIT_FOR_TICK_BEGIN, $signal;	4159	push @WAIT_FOR_TICK_BEGIN, $signal;
3797	$signal->wait;	4160	$signal->wait;
3798	}	4161	}
…		…
3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4165	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3803	unless ++$bug_warning > 10;	4166	unless ++$bug_warning > 10;
3804	return;	4167	return;
3805	}	4168	}
3806		4169
3807	cf::server_tick; # one server iteration	4170	cf::one_tick; # one server iteration
		4171
		4172	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3808		4173
3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4174	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4175	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3811	Coro::async_pool {	4176	Coro::async_pool {
3812	$Coro::current->{desc} = "runtime saver";	4177	$Coro::current->{desc} = "runtime saver";
3813	write_runtime_sync	4178	write_runtime_sync
3814	or warn "ERROR: unable to write runtime file: $!";	4179	or error "ERROR: unable to write runtime file: $!";
3815	};	4180	};
3816	}	4181	}
3817		4182
3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4183	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3819	$sig->send;	4184	$sig->send;
3820	}	4185	}
3821	while (my $sig = shift @WAIT_FOR_TICK) {	4186	$WAIT_FOR_TICK->broadcast;
3822	$sig->send;
3823	}
3824		4187
3825	$LOAD = ($NOW - $TICK_START) / $TICK;	4188	$LOAD = ($NOW - $TICK_START) / $TICK;
3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4189	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3827		4190
3828	if (0) {	4191	if (0) {
3829	if ($NEXT_TICK) {	4192	if ($NEXT_TICK) {
3830	my $jitter = $TICK_START - $NEXT_TICK;	4193	my $jitter = $TICK_START - $NEXT_TICK;
3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4194	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3832	warn "jitter $JITTER\n";#d#	4195	debug "jitter $JITTER\n";#d#
3833	}	4196	}
3834	}	4197	}
3835	}	4198	}
3836		4199
3837	{	4200	{
3838	# configure BDB	4201	# configure BDB
3839		4202
3840	BDB::min_parallel 8;	4203	BDB::min_parallel 16;
3841	BDB::max_poll_reqs $TICK * 0.1;	4204	BDB::max_poll_reqs $TICK * 0.1;
3842	$AnyEvent::BDB::WATCHER->priority (1);	4205	#$AnyEvent::BDB::WATCHER->priority (1);
3843		4206
3844	unless ($DB_ENV) {	4207	unless ($DB_ENV) {
3845	$DB_ENV = BDB::db_env_create;	4208	$DB_ENV = BDB::db_env_create;
3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;	4210	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
…		…
3882	IO::AIO::min_parallel 8;	4245	IO::AIO::min_parallel 8;
3883	IO::AIO::max_poll_time $TICK * 0.1;	4246	IO::AIO::max_poll_time $TICK * 0.1;
3884	undef $AnyEvent::AIO::WATCHER;	4247	undef $AnyEvent::AIO::WATCHER;
3885	}	4248	}
3886		4249
3887	my $_log_backtrace;	4250	our $_log_backtrace;
		4251	our $_log_backtrace_last;
3888		4252
3889	sub _log_backtrace {	4253	sub _log_backtrace {
3890	my ($msg, @addr) = @_;	4254	my ($msg, @addr) = @_;
3891		4255
3892	$msg =~ s/\n//;	4256	$msg =~ s/\n$//;
3893		4257
		4258	if ($_log_backtrace_last eq $msg) {
		4259	LOG llevInfo, "[ABT] $msg\n";
		4260	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3894	# limit the # of concurrent backtraces	4261	# limit the # of concurrent backtraces
3895	if ($_log_backtrace < 2) {	4262	} elsif ($_log_backtrace < 2) {
		4263	$_log_backtrace_last = $msg;
3896	++$_log_backtrace;	4264	++$_log_backtrace;
3897	my $perl_bt = Carp::longmess $msg;	4265	my $perl_bt = Carp::longmess $msg;
3898	async {	4266	async {
3899	$Coro::current->{desc} = "abt $msg";	4267	$Coro::current->{desc} = "abt $msg";
3900		4268
…		…
3920	LOG llevInfo, "[ABT] $_\n" for @bt;	4288	LOG llevInfo, "[ABT] $_\n" for @bt;
3921	--$_log_backtrace;	4289	--$_log_backtrace;
3922	};	4290	};
3923	} else {	4291	} else {
3924	LOG llevInfo, "[ABT] $msg\n";	4292	LOG llevInfo, "[ABT] $msg\n";
3925	LOG llevInfo, "[ABT] [suppressed]\n";	4293	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3926	}	4294	}
3927	}	4295	}
3928		4296
3929	# load additional modules	4297	# load additional modules
3930	use cf::pod;	4298	require "cf/$_.pm" for @EXTRA_MODULES;
		4299	cf::_connect_to_perl_2;
3931		4300
3932	END { cf::emergency_save }	4301	END { cf::emergency_save }
3933		4302
3934	1	4303	1
3935		4304

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