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Revision 1.451 by root, Mon Sep 22 05:42:41 2008 UTC vs.
Revision 1.587 by root, Wed Oct 31 19:09:47 2012 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
18	#	18	# <http://www.gnu.org/licenses/>.
		19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use 5.10.0;	25	use common::sense;
25	use utf8;
26	use strict "vars", "subs";
27		26
28	use Symbol;	27	use Symbol;
29	use List::Util;	28	use List::Util;
30	use Socket;	29	use Socket;
31	use EV;	30	use EV;
32	use Opcode;	31	use Opcode;
33	use Safe;	32	use Safe;
34	use Safe::Hole;	33	use Safe::Hole;
35	use Storable ();	34	use Storable ();
		35	use Carp ();
		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
36		40
37	use Coro ();	41	use Coro ();
38	use Coro::State;	42	use Coro::State;
39	use Coro::Handle;	43	use Coro::Handle;
40	use Coro::EV;	44	use Coro::EV;
41	use Coro::AnyEvent;	45	use Coro::AnyEvent;
42	use Coro::Timer;	46	use Coro::Timer;
43	use Coro::Signal;	47	use Coro::Signal;
44	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
45	use Coro::AnyEvent;	50	use Coro::AnyEvent;
46	use Coro::AIO;	51	use Coro::AIO;
47	use Coro::BDB 1.6;	52	use Coro::BDB 1.6;
48	use Coro::Storable;	53	use Coro::Storable;
49	use Coro::Util ();	54	use Coro::Util ();
50		55
		56	use Guard ();
51	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
52	use BDB ();	58	use BDB ();
53	use Data::Dumper;	59	use Data::Dumper;
54	use Digest::MD5;
55	use Fcntl;	60	use Fcntl;
56	use YAML ();	61	use YAML::XS ();
57	use IO::AIO ();	62	use IO::AIO ();
58	use Time::HiRes;	63	use Time::HiRes;
59	use Compress::LZF;	64	use Compress::LZF;
60	use Digest::MD5 ();	65	use Digest::MD5 ();
61		66
…		…
70		75
71	# make sure c-lzf reinitialises itself	76	# make sure c-lzf reinitialises itself
72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";	77	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	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
74		79
		80	# strictly for debugging
		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
		82
75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
76		86
77	our %COMMAND = ();	87	our %COMMAND = ();
78	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
79		89
80	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
…		…
83	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
84	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
85		95
86	our $RELOAD; # number of reloads so far, non-zero while in reload	96	our $RELOAD; # number of reloads so far, non-zero while in reload
87	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
88		100
89	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
90	our $DATADIR = datadir;	103	our $DATADIR = datadir;
91	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
92	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
93	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
94	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
95	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
98	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
99	our $BDBDIR = "$LOCALDIR/db";	113	our $BDBDIR = "$LOCALDIR/db";
100	our $PIDFILE = "$LOCALDIR/pid";	114	our $PIDFILE = "$LOCALDIR/pid";
101	our $RUNTIMEFILE = "$LOCALDIR/runtime";	115	our $RUNTIMEFILE = "$LOCALDIR/runtime";
102		116
103	our %RESOURCE;	117	#our %RESOURCE; # unused
		118
		119	our $OUTPUT_RATE_MIN = 3000;
		120	our $OUTPUT_RATE_MAX = 1000000;
		121
		122	our $MAX_LINKS = 32; # how many chained exits to follow
		123	our $VERBOSE_IO = 1;
104		124
105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
107	our $NEXT_TICK;	127	our $NEXT_TICK;
108	our $USE_FSYNC = 1; # use fsync to write maps - default off	128	our $USE_FSYNC = 1; # use fsync to write maps - default on
109		129
110	our $BDB_DEADLOCK_WATCHER;	130	our $BDB_DEADLOCK_WATCHER;
111	our $BDB_CHECKPOINT_WATCHER;	131	our $BDB_CHECKPOINT_WATCHER;
112	our $BDB_TRICKLE_WATCHER;	132	our $BDB_TRICKLE_WATCHER;
113	our $DB_ENV;	133	our $DB_ENV;
114		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
115	our %CFG;	137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
116		139
117	our $UPTIME; $UPTIME ||= time;	140	our $UPTIME; $UPTIME ||= time;
118	our $RUNTIME;	141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
119	our $NOW;	143	our $NOW;
120		144
121	our (%PLAYER, %PLAYER_LOADING); # all users	145	our (%PLAYER, %PLAYER_LOADING); # all users
122	our (%MAP, %MAP_LOADING ); # all maps	146	our (%MAP, %MAP_LOADING ); # all maps
123	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
…		…
127		151
128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	152	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
129	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
130	our $JITTER; # average jitter	154	our $JITTER; # average jitter
131	our $TICK_START; # for load detecting purposes	155	our $TICK_START; # for load detecting purposes
		156
		157	our @POST_INIT;
		158
		159	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		160	our $REALLY_UNLOOP; # never set to true, please :)
		161
		162	our $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
132		164
133	binmode STDOUT;	165	binmode STDOUT;
134	binmode STDERR;	166	binmode STDERR;
135		167
136	# read virtual server time, if available	168	# read virtual server time, if available
…		…
138	open my $fh, "<", $RUNTIMEFILE	170	open my $fh, "<", $RUNTIMEFILE
139	or die "unable to read $RUNTIMEFILE file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
140	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
141	}	173	}
142		174
		175	eval "sub TICK() { $TICK } 1" or die;
		176
143	mkdir $_	177	mkdir $_
144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
145		179
146	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
147		181
148	sub cf::map::normalise;	182	sub cf::map::normalise;
149		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
150	#############################################################################	188	#############################################################################
151		189
		190	%REFLECT = ();
		191	for (@REFLECT) {
		192	my $reflect = JSON::XS::decode_json $_;
		193	$REFLECT{$reflect->{class}} = $reflect;
		194	}
		195
		196	# this is decidedly evil
		197	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		198
		199	#############################################################################
		200
152	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
153		202
154	=over 4	203	=over 4
155		204
156	=item $cf::UPTIME	205	=item $cf::UPTIME
157		206
158	The timestamp of the server start (so not actually an uptime).	207	The timestamp of the server start (so not actually an "uptime").
		208
		209	=item $cf::SERVER_TICK
		210
		211	An unsigned integer that starts at zero when the server is started and is
		212	incremented on every tick.
		213
		214	=item $cf::NOW
		215
		216	The (real) time of the last (current) server tick - updated before and
		217	after tick processing, so this is useful only as a rough "what time is it
		218	now" estimate.
		219
		220	=item $cf::TICK
		221
		222	The interval between each server tick, in seconds.
159		223
160	=item $cf::RUNTIME	224	=item $cf::RUNTIME
161		225
162	The time this server has run, starts at 0 and is increased by $cf::TICK on	226	The time this server has run, starts at 0 and is increased by $cf::TICK on
163	every server tick.	227	every server tick.
…		…
169	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
170	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
171	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
172	database environment.	236	database environment.
173		237
174	=item $cf::NOW
175
176	The time of the last (current) server tick.
177
178	=item $cf::TICK
179
180	The interval between server ticks, in seconds.
181
182	=item $cf::LOADAVG	238	=item $cf::LOADAVG
183		239
184	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
185	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
186	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
195	from wherever your confdir points to.	251	from wherever your confdir points to.
196		252
197	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
198		254
199	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
200	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
202		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$cf::WAIT_FOR_TICK>).
		263
		264	=item $cf::WAIT_FOR_TICK
		265
		266	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		267	variable contains a L<Coro::Signal> that is broadcats after every server
		268	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		269	next server tick.
		270
		271	=cut
		272
		273	sub wait_for_tick();
		274	sub wait_for_tick_begin();
		275
203	=item @cf::INVOKE_RESULTS	276	=item @cf::INVOKE_RESULTS
204		277
205	This array contains the results of the last C<invoke ()> call. When	278	This array contains the results of the last C<invoke ()> call. When
206	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	279	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
207	that call.	280	that call.
208		281
		282	=item %cf::REFLECT
		283
		284	Contains, for each (C++) class name, a hash reference with information
		285	about object members (methods, scalars, arrays and flags) and other
		286	metadata, which is useful for introspection.
		287
209	=back	288	=back
210		289
211	=cut	290	=cut
212		291
213	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
214	*CORE::GLOBAL::warn = sub {	293	sub warn (@) { LOG llevWarn , join "", @_ }
		294	sub info (@) { LOG llevInfo , join "", @_ }
		295	sub debug(@) { LOG llevDebug, join "", @_ }
		296	sub trace(@) { LOG llevTrace, join "", @_ }
		297
		298	$Coro::State::WARNHOOK = sub {
215	my $msg = join "", @_;	299	my $msg = join "", @_;
216		300
217	$msg .= "\n"	301	$msg .= "\n"
218	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
219		303
220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	304	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
221		305
222	LOG llevError, $msg;	306	LOG llevWarn, $msg;
223	};	307	};
224	}
225		308
226	$Coro::State::DIEHOOK = sub {	309	$Coro::State::DIEHOOK = sub {
227	return unless $^S eq 0; # "eq", not "=="	310	return unless $^S eq 0; # "eq", not "=="
228		311
229	if ($Coro::current == $Coro::main) {#d#	312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
230	warn "DIEHOOK called in main context, Coro bug?\n";#d#	315	error "DIEHOOK called in main context, Coro bug?\n";#d#
231	return;#d#	316	return;#d#
232	}#d#	317	}#d#
233		318
234	# kill coroutine otherwise	319	# kill coroutine otherwise
235	warn Carp::longmess $_[0];
236	Coro::terminate	320	Coro::terminate
237	};	321	};
238
239	$SIG{__DIE__} = sub { }; #d#?
240		322
241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
258	)) {	340	)) {
259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
260	}	342	}
261		343
262	$EV::DIED = sub {	344	$EV::DIED = sub {
263	warn "error in event callback: @_";	345	warn "error in event callback: $@";
264	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
265		352
266	#############################################################################	353	#############################################################################
267		354
268	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
269		356
…		…
290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
291	$d	378	$d
292	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
293	}	380	}
294		381
		382	=item $scalar = cf::load_file $path
		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($path, $data, $sync) = @_;
		405
		406	my $lock = cf::lock_acquire ("replace_file:$path");
		407
		408	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		409	or return;
		410
		411	$data = $data->() if ref $data;
		412
		413	length $data == aio_write $fh, 0, (length $data), $data, 0
		414	or return;
		415
		416	!$sync
		417	or !aio_fsync $fh
		418	or return;
		419
		420	aio_close $fh
		421	and return;
		422
		423	aio_rename "$path~", $path
		424	and return;
		425
		426	if ($sync) {
		427	$path =~ s%/[^/]*$%%;
		428	aio_pathsync $path;
		429	}
		430
		431	1
		432	}
		433
295	=item $ref = cf::decode_json $json	434	=item $ref = cf::decode_json $json
296		435
297	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
298		437
299	=item $json = cf::encode_json $ref	438	=item $json = cf::encode_json $ref
…		…
305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
306		445
307	sub encode_json($) { $json_coder->encode ($_[0]) }	446	sub encode_json($) { $json_coder->encode ($_[0]) }
308	sub decode_json($) { $json_coder->decode ($_[0]) }	447	sub decode_json($) { $json_coder->decode ($_[0]) }
309		448
		449	=item $ref = cf::decode_storable $scalar
		450
		451	Same as Coro::Storable::thaw, so blocks.
		452
		453	=cut
		454
		455	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		456
		457	=item $ref = cf::decode_yaml $scalar
		458
		459	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		460
		461	=cut
		462
		463	sub decode_yaml($) {
		464	fork_call { YAML::XS::Load $_[0] } @_
		465	}
		466
		467	=item $scalar = cf::unlzf $scalar
		468
		469	Same as Compress::LZF::compress, but takes server ticks into account, so
		470	blocks.
		471
		472	=cut
		473
		474	sub unlzf($) {
		475	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		476	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		477	Compress::LZF::decompress $_[0]
		478	}
		479
		480	=item cf::post_init { BLOCK }
		481
		482	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		483	but I<before> the server starts ticking again.
		484
		485	The codeblock will have a single boolean argument to indicate whether this
		486	is a reload or not.
		487
		488	=cut
		489
		490	sub post_init(&) {
		491	push @POST_INIT, shift;
		492	}
		493
		494	sub _post_init {
		495	trace "running post_init jobs";
		496
		497	# run them in parallel...
		498
		499	my @join;
		500
		501	while () {
		502	push @join, map &Coro::async ($_, 0), @POST_INIT;
		503	@POST_INIT = ();
		504
		505	@join or last;
		506
		507	(pop @join)->join;
		508	}
		509	}
		510
310	=item cf::lock_wait $string	511	=item cf::lock_wait $string
311		512
312	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
313		514
314	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
315		516
316	Wait until the given lock is available and then acquires it and returns	517	Wait until the given lock is available and then acquires it and returns
317	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	518	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
318	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
319	returned.	520	returned.
320		521
321	Locks are *not* recursive, locking from the same coro twice results in a	522	Locks are *not* recursive, locking from the same coro twice results in a
322	deadlocked coro.	523	deadlocked coro.
…		…
328		529
329	Return true if the lock is currently active, i.e. somebody has locked it.	530	Return true if the lock is currently active, i.e. somebody has locked it.
330		531
331	=cut	532	=cut
332		533
333	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
334	our %LOCKER;#d#
335		535
336	sub lock_wait($) {	536	sub lock_wait($) {
337	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
338
339	if ($LOCKER{$key} == $Coro::current) {#d#
340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
341	return;#d#
342	}#d#
343
344	# wait for lock, if any
345	while ($LOCK{$key}) {
346	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
347	push @{ $LOCK{$key} }, $Coro::current;
348	Coro::schedule;
349	}
350	}	538	}
351		539
352	sub lock_acquire($) {	540	sub lock_acquire($) {
353	my ($key) = @_;	541	$LOCKS->guard ($_[0])
354
355	# wait, to be sure we are not locked
356	lock_wait $key;
357
358	$LOCK{$key} = [];
359	$LOCKER{$key} = $Coro::current;#d#
360
361	Coro::guard {
362	delete $LOCKER{$key};#d#
363	# wake up all waiters, to be on the safe side
364	$_->ready for @{ delete $LOCK{$key} };
365	}
366	}	542	}
367		543
368	sub lock_active($) {	544	sub lock_active($) {
369	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
370
371	! ! $LOCK{$key}
372	}	546	}
373		547
374	sub freeze_mainloop {	548	sub freeze_mainloop {
375	tick_inhibit_inc;	549	tick_inhibit_inc;
376		550
377	Coro::guard \&tick_inhibit_dec;	551	&Guard::guard (\&tick_inhibit_dec);
378	}	552	}
379		553
380	=item cf::periodic $interval, $cb	554	=item cf::periodic $interval, $cb
381		555
382	Like EV::periodic, but randomly selects a starting point so that the actions	556	Like EV::periodic, but randomly selects a starting point so that the actions
383	get spread over timer.	557	get spread over time.
384		558
385	=cut	559	=cut
386		560
387	sub periodic($$) {	561	sub periodic($$) {
388	my ($interval, $cb) = @_;	562	my ($interval, $cb) = @_;
…		…
392	EV::periodic $start, $interval, 0, $cb	566	EV::periodic $start, $interval, 0, $cb
393	}	567	}
394		568
395	=item cf::get_slot $time[, $priority[, $name]]	569	=item cf::get_slot $time[, $priority[, $name]]
396		570
397	Allocate $time seconds of blocking CPU time at priority C<$priority>:	571	Allocate $time seconds of blocking CPU time at priority C<$priority>
398	This call blocks and returns only when you have at least C<$time> seconds	572	(default: 0): This call blocks and returns only when you have at least
399	of cpu time till the next tick. The slot is only valid till the next cede.	573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
400		578
401	The optional C<$name> can be used to identify the job to run. It might be	579	The optional C<$name> can be used to identify the job to run. It might be
402	used for statistical purposes and should identify the same time-class.	580	used for statistical purposes and should identify the same time-class.
403		581
404	Useful for short background jobs.	582	Useful for short background jobs.
405		583
406	=cut	584	=cut
407		585
408	our @SLOT_QUEUE;	586	our @SLOT_QUEUE;
409	our $SLOT_QUEUE;	587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
410		589
411	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
412	$SLOT_QUEUE = Coro::async {	591	$SLOT_QUEUE = Coro::async {
413	$Coro::current->desc ("timeslot manager");	592	$Coro::current->desc ("timeslot manager");
414		593
415	my $signal = new Coro::Signal;	594	my $signal = new Coro::Signal;
		595	my $busy;
416		596
417	while () {	597	while () {
418	next_job:	598	next_job:
		599
419	my $avail = cf::till_tick;	600	my $avail = cf::till_tick;
420	if ($avail > 0.01) {	601
421	for (0 .. $#SLOT_QUEUE) {	602	for (0 .. $#SLOT_QUEUE) {
422	if ($SLOT_QUEUE[$_][0] < $avail) {	603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
423	my $job = splice @SLOT_QUEUE, $_, 1, ();	605	my $job = splice @SLOT_QUEUE, $_, 1, ();
424	$job->[2]->send;	606	$job->[2]->send;
425	Coro::cede;	607	Coro::cede;
426	goto next_job;	608	goto next_job;
427	}	609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
428	}	611	}
429	}	612	}
430		613
431	if (@SLOT_QUEUE) {	614	if (@SLOT_QUEUE) {
432	# we do not use wait_for_tick() as it returns immediately when tick is inactive	615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
433	push @cf::WAIT_FOR_TICK, $signal;	616	$WAIT_FOR_TICK->wait;
434	$signal->wait;
435	} else {	617	} else {
		618	$busy = 0;
436	Coro::schedule;	619	Coro::schedule;
437	}	620	}
438	}	621	}
439	};	622	};
440		623
441	sub get_slot($;$$) {	624	sub get_slot($;$$) {
442	return if tick_inhibit || $Coro::current == $Coro::main;	625	return if tick_inhibit || $Coro::current == $Coro::main;
443		626
444	my ($time, $pri, $name) = @_;	627	my ($time, $pri, $name) = @_;
445		628
446	$time = $TICK * .6 if $time > $TICK * .6;	629	$time = clamp $time, 0.01, $TICK * .6;
		630
447	my $sig = new Coro::Signal;	631	my $sig = new Coro::Signal;
448		632
449	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
450	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
451	$SLOT_QUEUE->ready;	635	$SLOT_QUEUE->ready;
…		…
477	=cut	661	=cut
478		662
479	sub sync_job(&) {	663	sub sync_job(&) {
480	my ($job) = @_;	664	my ($job) = @_;
481		665
482	if ($Coro::current == $Coro::main) {	666	if (in_main) {
483	my $time = EV::time;	667	my $time = AE::time;
484		668
485	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
486	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
487		671
488	LOG llevError, Carp::longmess "sync job";#d#	672	#LOG llevError, Carp::longmess "sync job";#d#
489		673
490	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
491		675
492	my $busy = 1;	676	my $busy = 1;
493	my @res;	677	my @res;
494		678
495	(async {	679	(async {
496	$Coro::current->desc ("sync job coro");	680	$Coro::current->desc ("sync job coro");
497	@res = eval { $job->() };	681	@res = eval { $job->() };
498	warn $@ if $@;	682	error $@ if $@;
499	undef $busy;	683	undef $busy;
500	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
501		685
502	while ($busy) {	686	while ($busy) {
503	if (Coro::nready) {	687	if (Coro::nready) {
…		…
505	} else {	689	} else {
506	EV::loop EV::LOOP_ONESHOT;	690	EV::loop EV::LOOP_ONESHOT;
507	}	691	}
508	}	692	}
509		693
510	my $time = EV::time - $time;	694	my $time = AE::time - $time;
511		695
512	$TICK_START += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
513		697
514	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
515	} else {	699	} else {
…		…
537	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
538		722
539	$coro	723	$coro
540	}	724	}
541		725
542	=item fork_call { }, $args	726	=item fork_call { }, @args
543		727
544	Executes the given code block with the given arguments in a seperate	728	Executes the given code block with the given arguments in a seperate
545	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
546	Coro::Storable. May, of course, block. Note that the executed sub may	730	Coro::Storable. May, of course, block. Note that the executed sub may
547	never block itself or use any form of event handling.	731	never block itself or use any form of event handling.
548		732
549	=cut	733	=cut
550		734
		735	sub post_fork {
		736	reset_signals;
		737	}
		738
551	sub fork_call(&@) {	739	sub fork_call(&@) {
552	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
553		741
554	# we seemingly have to make a local copy of the whole thing,	742	# we seemingly have to make a local copy of the whole thing,
555	# otherwise perl prematurely frees the stuff :/	743	# otherwise perl prematurely frees the stuff :/
556	# TODO: investigate and fix (likely this will be rather laborious)	744	# TODO: investigate and fix (likely this will be rather laborious)
557		745
558	my @res = Coro::Util::fork_eval {	746	my @res = Coro::Util::fork_eval {
559	reset_signals;	747	cf::post_fork;
560	&$cb	748	&$cb
561	}, @args;	749	} @args;
562		750
563	wantarray ? @res : $res[-1]	751	wantarray ? @res : $res[-1]
		752	}
		753
		754	sub objinfo {
		755	(
		756	"counter value" => cf::object::object_count,
		757	"objects created" => cf::object::create_count,
		758	"objects destroyed" => cf::object::destroy_count,
		759	"freelist size" => cf::object::free_count,
		760	"allocated objects" => cf::object::objects_size,
		761	"active objects" => cf::object::actives_size,
		762	)
564	}	763	}
565		764
566	=item $coin = coin_from_name $name	765	=item $coin = coin_from_name $name
567		766
568	=cut	767	=cut
…		…
605	within each server.	804	within each server.
606		805
607	=cut	806	=cut
608		807
609	sub db_table($) {	808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
610	my ($name) = @_;	812	my ($name) = @_;
611	my $db = BDB::db_create $DB_ENV;	813	my $db = BDB::db_create $DB_ENV;
612		814
613	eval {	815	eval {
614	$db->set_flags (BDB::CHKSUM);	816	$db->set_flags (BDB::CHKSUM);
…		…
624	}	826	}
625		827
626	our $DB;	828	our $DB;
627		829
628	sub db_init {	830	sub db_init {
629	cf::sync_job {
630	$DB ||= db_table "db";	831	$DB ||= db_table "db";
631	};
632	}	832	}
633		833
634	sub db_get($$) {	834	sub db_get($$) {
635	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
636		836
637	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
638	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
639		841
640	$! ? ()	842	$! ? ()
641	: $data	843	: $data
642	}
643	}	844	}
644		845
645	sub db_put($$$) {	846	sub db_put($$$) {
646	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
647	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
675		876
676	my @data;	877	my @data;
677	my $md5;	878	my $md5;
678		879
679	for (0 .. $#$src) {	880	for (0 .. $#$src) {
680	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
681	or Carp::croak "$src->[$_]: $!";
682	}	882	}
683		883
684	# if processing is expensive, check	884	# if processing is expensive, check
685	# checksum first	885	# checksum first
686	if (1) {	886	if (1) {
…		…
703		903
704	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
705	my $data = $process->(\@data);	905	my $data = $process->(\@data);
706	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
707		907
708	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
709		909
710	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
711	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
712	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
713		913
…		…
723		923
724	=cut	924	=cut
725		925
726	sub datalog($@) {	926	sub datalog($@) {
727	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
728	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
729	}	929	}
730		930
731	=back	931	=back
732		932
733	=cut	933	=cut
…		…
928		1128
929	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
930	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
931		1131
932	} elsif (ref $type) {	1132	} elsif (ref $type) {
933	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
934		1134
935	} else {	1135	} else {
936	shift @arg;	1136	shift @arg;
937	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
938	}	1138	}
939	}	1139	}
940	}	1140	}
941		1141
942	sub _object_attach {	1142	sub _object_attach {
…		…
952	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
953	}	1153	}
954		1154
955	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
956	} else {	1156	} else {
957	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
958	}	1158	}
959		1159
960	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
961	}	1161	}
962		1162
…		…
1021		1221
1022	for (@$callbacks) {	1222	for (@$callbacks) {
1023	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
1024		1224
1025	if ($@) {	1225	if ($@) {
1026	warn "$@";
1027	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1028	override;	1227	override;
1029	}	1228	}
1030		1229
1031	return 1 if $override;	1230	return 1 if $override;
1032	}	1231	}
…		…
1111	for (@$attach) {	1310	for (@$attach) {
1112	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
1113	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
1114	}	1313	}
1115	} else {	1314	} else {
1116	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
1117	}	1316	}
1118	}	1317	}
1119	}	1318	}
1120		1319
1121	cf::attachable->attach (	1320	cf::attachable->attach (
…		…
1148	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
1149		1348
1150	sync_job {	1349	sync_job {
1151	if (length $$rdata) {	1350	if (length $$rdata) {
1152	utf8::decode (my $decname = $filename);	1351	utf8::decode (my $decname = $filename);
1153	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
1154	$decname, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
1155		1355
1156	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1157	aio_chmod $fh, SAVE_MODE;	1357	aio_chmod $fh, SAVE_MODE;
1158	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1159	aio_fsync $fh if $cf::USE_FSYNC;	1359	if ($cf::USE_FSYNC) {
		1360	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1361	aio_fsync $fh;
		1362	}
1160	aio_close $fh;	1363	aio_close $fh;
1161		1364
1162	if (@$objs) {	1365	if (@$objs) {
1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1366	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1164	aio_chmod $fh, SAVE_MODE;	1367	aio_chmod $fh, SAVE_MODE;
1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1166	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
1167	aio_fsync $fh if $cf::USE_FSYNC;	1370	if ($cf::USE_FSYNC) {
		1371	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1372	aio_fsync $fh;
		1373	}
1168	aio_close $fh;	1374	aio_close $fh;
1169	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
1170	}	1376	}
1171	} else {	1377	} else {
1172	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
1173	}	1379	}
1174		1380
1175	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
1176	} else {	1385	} else {
1177	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
1178	}	1387	}
1179	} else {	1388	} else {
1180	aio_unlink $filename;	1389	aio_unlink $filename;
1181	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
1182	}	1391	}
…		…
1206	my $st = eval { Coro::Storable::thaw $av };	1415	my $st = eval { Coro::Storable::thaw $av };
1207	$av = $st->{objs};	1416	$av = $st->{objs};
1208	}	1417	}
1209		1418
1210	utf8::decode (my $decname = $filename);	1419	utf8::decode (my $decname = $filename);
1211	warn sprintf "loading %s (%d,%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1212	$decname, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
1213		1423
1214	($data, $av)	1424	($data, $av)
1215	}	1425	}
1216		1426
1217	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
…		…
1273	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1274		1484
1275	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1276	}	1486	}
1277		1487
		1488	use File::Glob ();
		1489
1278	cf::player->attach (	1490	cf::player->attach (
1279	on_command => sub {	1491	on_unknown_command => sub {
1280	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1281		1493
1282	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1283	or return;	1495	or return;
1284		1496
…		…
1292	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1293		1505
1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1295		1507
1296	if (ref $msg) {	1508	if (ref $msg) {
1297	my ($type, $reply, @payload) =	1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1298	"ARRAY" eq ref $msg
1299	? @$msg
1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1301		1510
1302	my @reply;	1511	my @reply;
1303		1512
1304	if (my $cb = $EXTCMD{$type}) {	1513	if (my $cb = $EXTCMD{$type}) {
1305	@reply = $cb->($pl, @payload);	1514	@reply = $cb->($pl, @payload);
…		…
1307		1516
1308	$pl->ext_reply ($reply, @reply)	1517	$pl->ext_reply ($reply, @reply)
1309	if $reply;	1518	if $reply;
1310		1519
1311	} else {	1520	} else {
1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1313	}	1522	}
1314		1523
1315	cf::override;	1524	cf::override;
1316	},	1525	},
1317	);	1526	);
1318		1527
		1528	# "readahead" all extensions
		1529	sub cache_extensions {
		1530	my $grp = IO::AIO::aio_group;
		1531
		1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1533	for (grep /\.ext$/, @{$_[0]}) {
		1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1535	}
		1536	};
		1537
		1538	$grp
		1539	}
		1540
		1541	sub _ext_cfg_reg($$$$) {
		1542	my ($rvar, $varname, $cfgname, $default) = @_;
		1543
		1544	$cfgname = lc $varname
		1545	unless length $cfgname;
		1546
		1547	$EXT_CFG{$cfgname} = [$rvar, $default];
		1548
		1549	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1550	}
		1551
1319	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1320	cf::sync_job {	1557	cf::sync_job {
1321	my %todo;	1558	my %todo;
1322		1559
1323	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1324	next unless -r $path;	1561	next unless -r $path;
…		…
1342		1579
1343	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1344	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1345		1582
1346	$ext{source} =	1583	$ext{source} =
1347	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1348	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1349	. $source	1586	. $source
1350	. "\n};\n1";	1587	. "\n};\n1";
1351		1588
1352	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1353	}	1590	}
1354		1591
		1592	my $pass = 0;
1355	my %done;	1593	my %done;
1356	while (%todo) {	1594	while (%todo) {
1357	my $progress;	1595	my $progress;
1358		1596
		1597	++$pass;
		1598
		1599	ext:
1359	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1360	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1361	goto skip	1602	next ext
1362	unless exists $done{$_};	1603	unless exists $done{$_};
1363	}	1604	}
1364		1605
1365	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1366		1607
1367	unless (eval $v->{source}) {	1608	my $source = $v->{source};
		1609
		1610	# support "CONF varname :confname = default" pseudo-statements
		1611	$source =~ s{
		1612	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1613	}{
		1614	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1615	}gmxe;
		1616
		1617	my $active = eval $source;
		1618
		1619	if (length $@) {
1368	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1369	: "$v->{base}: extension inactive.\n";
1370		1621
1371	if (exists $v->{meta}{mandatory}) {
1372	warn $msg;
1373	cf::cleanup "mandatory extension failed to load, exiting.";	1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1374	}	1623	if exists $v->{meta}{mandatory};
1375		1624
1376	warn $msg;	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1626	delete $todo{$k};
		1627	} else {
		1628	$done{$k} = delete $todo{$k};
		1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1377	}	1634	}
1378
1379	$done{$k} = delete $todo{$k};
1380	push @EXTS, $v->{pkg};
1381	$progress = 1;
1382	}	1635	}
1383		1636
1384	skip:	1637	unless ($progress) {
1385	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1386	unless $progress;	1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
1387	}	1647	}
1388	};	1648	};
1389	}	1649	}
1390		1650
1391	#############################################################################	1651	#############################################################################
…		…
1445		1705
1446	sub exists($) {	1706	sub exists($) {
1447	my ($login) = @_;	1707	my ($login) = @_;
1448		1708
1449	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1450	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1451	}	1711	}
1452		1712
1453	sub find($) {	1713	sub find($) {
1454	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1455	my $login = $_[0];	1715	my $login = $_[0];
…		…
1475	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1476	}	1736	}
1477	}	1737	}
1478	}	1738	}
1479		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($pl, $path) = @_;
		1743
		1744	# restore slots saved in save, below
		1745	my $slots = delete $pl->{_slots};
		1746
		1747	$pl->ob->current_weapon ($slots->[0]);
		1748	$pl->combat_ob ($slots->[1]);
		1749	$pl->ranged_ob ($slots->[2]);
		1750	},
		1751	);
		1752
1480	sub save($) {	1753	sub save($) {
1481	my ($pl) = @_;	1754	my ($pl) = @_;
1482		1755
1483	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
1484		1757
…		…
1489		1762
1490	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1491	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1492		1765
1493	cf::get_slot 0.01;	1766	cf::get_slot 0.01;
		1767
		1768	# save slots, to be restored later
		1769	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1494		1770
1495	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1496	cf::cede_to_tick;	1772	cf::cede_to_tick;
1497	}	1773	}
1498		1774
…		…
1532	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1533		1809
1534	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1535	$pl->password ("*"); # this should lock out the player until we have nuked the dir	1811	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1536		1812
1537	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1538	$pl->deactivate;	1814	$pl->deactivate;
		1815
1539	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1540	$pl->ob->check_score;
1541	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1542	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1543		1821
1544	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1545	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1546	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1600	\@logins	1878	\@logins
1601	}	1879	}
1602		1880
1603	=item $player->maps	1881	=item $player->maps
1604		1882
		1883	=item cf::player::maps $login
		1884
1605	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1606	player. May block.	1886	player. May block.
1607		1887
1608	=cut	1888	=cut
1609		1889
…		…
1671	=cut	1951	=cut
1672		1952
1673	sub find_by_path($) {	1953	sub find_by_path($) {
1674	my ($path) = @_;	1954	my ($path) = @_;
1675		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
		1957
1676	my ($match, $specificity);	1958	my ($match, $specificity);
1677		1959
1678	for my $region (list) {	1960	for my $region (list) {
1679	if ($region->{match} && $path =~ $region->{match}) {	1961	if ($region->{match} && $path =~ $region->{match}) {
1680	($match, $specificity) = ($region, $region->specificity)	1962	($match, $specificity) = ($region, $region->specificity)
…		…
1708	sub generate_random_map {	1990	sub generate_random_map {
1709	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1710		1992
1711	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1712		1994
1713	# mit "rum" bekleckern, nicht
1714	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1715	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1716	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1717	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1718	$rmp->{exit_on_final_map},
1719	$rmp->{xsize}, $rmp->{ysize},
1720	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1721	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1722	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1723	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1724	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1725	(cf::region::find $rmp->{region}), $rmp->{custom}
1726	)
1727	}	1996	}
1728		1997
1729	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1730		1999
1731	Register a handler for the map path matching the given regex at the	2000	Register a handler for the map path matching the given regex at the
…		…
1736		2005
1737	sub register {	2006	sub register {
1738	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1739	my $pkg = caller;	2008	my $pkg = caller;
1740		2009
1741	no strict;
1742	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1743		2011
1744	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1745	}	2013	}
1746		2014
1747	# also paths starting with '/'	2015	# also paths starting with '/'
1748	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1749		2017
1750	sub thawer_merge {	2018	sub thawer_merge {
1751	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1752		2020
1753	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
…		…
1758	}	2026	}
1759		2027
1760	sub normalise {	2028	sub normalise {
1761	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1762		2030
1763	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1764		2032
1765	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1766		2034
1767	# map plan:	2035	# map plan:
1768	#	2036	#
…		…
1783	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1784	$path = "$base/$path";	2052	$path = "$base/$path";
1785	}	2053	}
1786		2054
1787	for ($path) {	2055	for ($path) {
1788	redo if s{//}{/};
1789	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1790	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1791	}	2058	}
1792		2059
1793	$path	2060	$path
…		…
1807	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1808	return $self;	2075	return $self;
1809	}	2076	}
1810	}	2077	}
1811		2078
1812	Carp::cluck "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1813	()	2080	()
1814	}	2081	}
1815		2082
		2083	# may re-bless or do other evil things
1816	sub init {	2084	sub init {
1817	my ($self) = @_;	2085	my ($self) = @_;
1818		2086
1819	$self	2087	$self
1820	}	2088	}
…		…
1851		2119
1852	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1853	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1854	}	2122	}
1855		2123
1856	# and all this just because we cannot iterate over
1857	# all maps in C++...
1858	sub change_all_map_light {
1859	my ($change) = @_;
1860
1861	$_->change_map_light ($change)
1862	for grep $_->outdoor, values %cf::MAP;
1863	}
1864
1865	sub decay_objects {	2124	sub decay_objects {
1866	my ($self) = @_;	2125	my ($self) = @_;
1867		2126
1868	return if $self->{deny_reset};	2127	return if $self->{deny_reset};
1869		2128
…		…
1894	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1895		2154
1896	1	2155	1
1897	}	2156	}
1898		2157
		2158	# used to laod the header of an original map
1899	sub load_header_orig {	2159	sub load_header_orig {
1900	my ($self) = @_;	2160	my ($self) = @_;
1901		2161
1902	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1903	}	2163	}
1904		2164
		2165	# used to laod the header of an instantiated map
1905	sub load_header_temp {	2166	sub load_header_temp {
1906	my ($self) = @_;	2167	my ($self) = @_;
1907		2168
1908	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1909	}	2170	}
1910		2171
		2172	# called after loading the header from an instantiated map
1911	sub prepare_temp {	2173	sub prepare_temp {
1912	my ($self) = @_;	2174	my ($self) = @_;
1913		2175
1914	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1915	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1916	# safety	2178	# safety
1917	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1918	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1919	}	2181	}
1920		2182
		2183	# called after loading the header from an original map
1921	sub prepare_orig {	2184	sub prepare_orig {
1922	my ($self) = @_;	2185	my ($self) = @_;
1923		2186
1924	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1925	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1949		2212
1950	sub find;	2213	sub find;
1951	sub find {	2214	sub find {
1952	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1953		2216
		2217	cf::cede_to_tick;
		2218
1954	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1955		2220
1956	cf::lock_wait "map_data:$path";#d#remove	2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1957	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1958		2223
1959	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1960	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1961	my $guard2 = cf::lock_acquire "map_find:$path";
1962
1963	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1964	or return;	2226	or return;
1965		2227
1966	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1967		2229
…		…
1979		2241
1980	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1981	}	2243	}
1982	}	2244	}
1983		2245
1984	sub pre_load { }	2246	sub pre_load { }
1985	sub post_load { }	2247	#sub post_load { } # XS
1986		2248
1987	sub load {	2249	sub load {
1988	my ($self) = @_;	2250	my ($self) = @_;
1989		2251
1990	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1993		2255
1994	{	2256	{
1995	my $guard = cf::lock_acquire "map_data:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1996		2258
1997	return unless $self->valid;	2259	return unless $self->valid;
1998	return unless $self->in_memory == cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
1999
2000	$self->in_memory (cf::MAP_LOADING);
2001		2261
2002	$self->alloc;	2262	$self->alloc;
2003		2263
2004	$self->pre_load;	2264	$self->pre_load;
2005	cf::cede_to_tick;	2265	cf::cede_to_tick;
2006		2266
		2267	if (exists $self->{load_path}) {
2007	my $f = new_from_file cf::object::thawer $self->{load_path};	2268	my $f = new_from_file cf::object::thawer $self->{load_path};
2008	$f->skip_block;	2269	$f->skip_block;
2009	$self->_load_objects ($f)	2270	$self->_load_objects ($f)
2010	or return;	2271	or return;
2011		2272
2012	$self->post_load_original	2273	$self->post_load_original
2013	if delete $self->{load_original};	2274	if delete $self->{load_original};
2014		2275
2015	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
2016	utf8::encode $uniq;	2277	utf8::encode $uniq;
2017	unless (aio_stat $uniq) {	2278	unless (aio_stat $uniq) {
2018	if (my $f = new_from_file cf::object::thawer $uniq) {	2279	if (my $f = new_from_file cf::object::thawer $uniq) {
2019	$self->clear_unique_items;	2280	$self->clear_unique_items;
2020	$self->_load_objects ($f);	2281	$self->_load_objects ($f);
2021	$f->resolve_delayed_derefs;	2282	$f->resolve_delayed_derefs;
		2283	}
2022	}	2284	}
2023	}	2285	}
2024	}
2025		2286
2026	$f->resolve_delayed_derefs;	2287	$f->resolve_delayed_derefs;
		2288	} else {
		2289	$self->post_load_original
		2290	if delete $self->{load_original};
		2291	}
		2292
		2293	$self->state (cf::MAP_INACTIVE);
2027		2294
2028	cf::cede_to_tick;	2295	cf::cede_to_tick;
2029	# now do the right thing for maps	2296	# now do the right thing for maps
2030	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
2031	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
…		…
2035	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
2036	$self->decay_objects;	2303	$self->decay_objects;
2037	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
2038	$self->update_buttons;	2305	$self->update_buttons;
2039	cf::cede_to_tick;	2306	cf::cede_to_tick;
2040	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
2041	cf::cede_to_tick;
2042	$self->activate;
2043	}	2308	}
2044		2309
2045	$self->{last_save} = $cf::RUNTIME;	2310	$self->{last_save} = $cf::RUNTIME;
2046	$self->last_access ($cf::RUNTIME);	2311	$self->last_access ($cf::RUNTIME);
2047
2048	$self->in_memory (cf::MAP_ACTIVE);
2049	}	2312	}
2050		2313
2051	$self->post_load;	2314	$self->post_load;
2052	}
2053		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
2054	sub customise_for {	2322	sub customise_for {
2055	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
2056		2324
2057	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
2058	if $self->per_player;	2326	if $self->per_player;
…		…
2061	# if $self->per_party;	2329	# if $self->per_party;
2062		2330
2063	$self	2331	$self
2064	}	2332	}
2065		2333
2066	# find and load all maps in the 3x3 area around a map
2067	sub load_neighbours {
2068	my ($map) = @_;
2069
2070	my @neigh; # diagonal neighbours
2071
2072	for (0 .. 3) {
2073	my $neigh = $map->tile_path ($_)
2074	or next;
2075	$neigh = find $neigh, $map
2076	or next;
2077	$neigh->load;
2078
2079	push @neigh,
2080	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2081	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2082	}
2083
2084	for (grep defined $_->[0], @neigh) {
2085	my ($path, $origin) = @$_;
2086	my $neigh = find $path, $origin
2087	or next;
2088	$neigh->load;
2089	}
2090	}
2091
2092	sub find_sync {	2334	sub find_sync {
2093	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
2094		2336
2095	cf::sync_job { find $path, $origin }	2337	# it's a bug to call this from the main context
		2338	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2339	if $Coro::current == $Coro::main;
		2340
		2341	find $path, $origin
2096	}	2342	}
2097		2343
2098	sub do_load_sync {	2344	sub do_load_sync {
2099	my ($map) = @_;	2345	my ($map) = @_;
2100		2346
		2347	# it's a bug to call this from the main context
2101	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2102	if $Coro::current == $Coro::main;	2349	if $Coro::current == $Coro::main;
2103		2350
2104	cf::sync_job { $map->load };	2351	$map->load;
2105	}	2352	}
2106		2353
2107	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
2108	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
2109		2356
2110	sub find_async {	2357	sub find_async {
2111	my ($path, $origin, $load) = @_;	2358	my ($path, $origin, $load) = @_;
2112		2359
2113	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
2114		2361
2115	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
2116	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2363	return $map if !$load || $map->linkable;
2117	}	2364	}
2118		2365
2119	$MAP_PREFETCH{$path} |= $load;	2366	$MAP_PREFETCH{$path} |= $load;
2120		2367
2121	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
…		…
2135	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
2136		2383
2137	()	2384	()
2138	}	2385	}
2139		2386
		2387	# common code, used by both ->save and ->swapout
2140	sub save {	2388	sub _save {
2141	my ($self) = @_;	2389	my ($self) = @_;
2142
2143	my $lock = cf::lock_acquire "map_data:$self->{path}";
2144		2390
2145	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
2146		2392
2147	return unless $self->dirty;	2393	return unless $self->dirty;
2148		2394
…		…
2168	} else {	2414	} else {
2169	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2170	}	2416	}
2171	}	2417	}
2172		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
2173	sub swap_out {	2427	sub swap_out {
2174	my ($self) = @_;	2428	my ($self) = @_;
2175		2429
2176	# save first because save cedes
2177	$self->save;
2178
2179	my $lock = cf::lock_acquire "map_data:$self->{path}";	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
2180		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
2181	return if $self->players;	2434	return if $self->players;
2182	return if $self->in_memory != cf::MAP_ACTIVE;	2435
		2436	# first deactivate the map and "unlink" it from the core
		2437	$self->deactivate;
		2438	$_->clear_links_to ($self) for values %cf::MAP;
		2439	$self->state (cf::MAP_SWAPPED);
		2440
		2441	# then atomically save
		2442	$self->_save;
		2443
		2444	# then free the map
		2445	$self->clear;
		2446	}
		2447
		2448	sub reset_at {
		2449	my ($self) = @_;
		2450
		2451	# TODO: safety, remove and allow resettable per-player maps
2183	return if $self->{deny_save};	2452	return 1e99 if $self->{deny_reset};
2184		2453
		2454	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2455	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2456
		2457	$time + $to
		2458	}
		2459
		2460	sub should_reset {
		2461	my ($self) = @_;
		2462
		2463	$self->reset_at <= $cf::RUNTIME
		2464	}
		2465
		2466	sub reset {
		2467	my ($self) = @_;
		2468
		2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2470
		2471	return if $self->players;
		2472
		2473	cf::trace "resetting map ", $self->path, "\n";
		2474
2185	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
		2476
		2477	# need to save uniques path
		2478	unless ($self->{deny_save}) {
		2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2480
		2481	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2482	if $uniq;
		2483	}
		2484
		2485	delete $cf::MAP{$self->path};
2186		2486
2187	$self->deactivate;	2487	$self->deactivate;
2188	$_->clear_links_to ($self) for values %cf::MAP;	2488	$_->clear_links_to ($self) for values %cf::MAP;
2189	$self->clear;	2489	$self->clear;
2190	}
2191
2192	sub reset_at {
2193	my ($self) = @_;
2194
2195	# TODO: safety, remove and allow resettable per-player maps
2196	return 1e99 if $self->{deny_reset};
2197
2198	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2199	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2200
2201	$time + $to
2202	}
2203
2204	sub should_reset {
2205	my ($self) = @_;
2206
2207	$self->reset_at <= $cf::RUNTIME
2208	}
2209
2210	sub reset {
2211	my ($self) = @_;
2212
2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
2214
2215	return if $self->players;
2216
2217	warn "resetting map ", $self->path;
2218
2219	$self->in_memory (cf::MAP_SWAPPED);
2220
2221	# need to save uniques path
2222	unless ($self->{deny_save}) {
2223	my $uniq = $self->uniq_path; utf8::encode $uniq;
2224
2225	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2226	if $uniq;
2227	}
2228
2229	delete $cf::MAP{$self->path};
2230
2231	$self->deactivate;
2232	$_->clear_links_to ($self) for values %cf::MAP;
2233	$self->clear;
2234		2490
2235	$self->unlink_save;	2491	$self->unlink_save;
2236	$self->destroy;	2492	$self->destroy;
2237	}	2493	}
2238		2494
…		…
2246		2502
2247	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
2248		2504
2249	$self->unlink_save;	2505	$self->unlink_save;
2250		2506
2251	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
2252	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
2253	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
2254	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2256		2512
…		…
2313	: normalise $_	2569	: normalise $_
2314	} @{ aio_readdir $UNIQUEDIR or [] }	2570	} @{ aio_readdir $UNIQUEDIR or [] }
2315	]	2571	]
2316	}	2572	}
2317		2573
		2574	=item cf::map::static_maps
		2575
		2576	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2577	file in the shared directory excluding F</styles> and F</editor>). May
		2578	block.
		2579
		2580	=cut
		2581
		2582	sub static_maps() {
		2583	my @dirs = "";
		2584	my @maps;
		2585
		2586	while (@dirs) {
		2587	my $dir = shift @dirs;
		2588
		2589	next if $dir eq "/styles" || $dir eq "/editor";
		2590
		2591	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2592	or return;
		2593
		2594	for (@$files) {
		2595	s/\.map$// or next;
		2596	utf8::decode $_;
		2597	push @maps, "$dir/$_";
		2598	}
		2599
		2600	push @dirs, map "$dir/$_", @$dirs;
		2601	}
		2602
		2603	\@maps
		2604	}
		2605
2318	=back	2606	=back
2319		2607
2320	=head3 cf::object	2608	=head3 cf::object
2321		2609
2322	=cut	2610	=cut
…		…
2387		2675
2388	our $SAY_CHANNEL = {	2676	our $SAY_CHANNEL = {
2389	id => "say",	2677	id => "say",
2390	title => "Map",	2678	title => "Map",
2391	reply => "say ",	2679	reply => "say ",
2392	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2680	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2393	};	2681	};
2394		2682
2395	our $CHAT_CHANNEL = {	2683	our $CHAT_CHANNEL = {
2396	id => "chat",	2684	id => "chat",
2397	title => "Chat",	2685	title => "Chat",
…		…
2454		2742
2455	Freezes the player and moves him/her to a special map (C<{link}>).	2743	Freezes the player and moves him/her to a special map (C<{link}>).
2456		2744
2457	The player should be reasonably safe there for short amounts of time (e.g.	2745	The player should be reasonably safe there for short amounts of time (e.g.
2458	for loading a map). You I<MUST> call C<leave_link> as soon as possible,	2746	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2459	though, as the palyer cannot control the character while it is on the link	2747	though, as the player cannot control the character while it is on the link
2460	map.	2748	map.
2461		2749
2462	Will never block.	2750	Will never block.
2463		2751
2464	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
…		…
2485	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
2486	my ($self) = @_;	2774	my ($self) = @_;
2487		2775
2488	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
2489		2777
		2778	++$self->{_link_recursion};
		2779
2490	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
2491		2781
2492	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2493	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
2494		2784
2495	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2496	}	2786	}
2497		2787
2498	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
2499	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
2500		2790
…		…
2517	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
2518	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
2519		2809
2520	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
2521	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
2522	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
2523		2813
2524	$map->load;	2814	$map->load;
2525	$map->load_neighbours;
2526		2815
2527	return unless $self->contr->active;	2816	return unless $self->contr->active;
2528	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2529	$self->activate_recursive;
2530		2817
2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2532	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
2533	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
2534		2825
		2826	}
		2827
2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2536		2829
2537	Moves the player to the given map-path and coordinates by first freezing	2830	Moves the player to the given map-path and coordinates by first freezing
2538	her, loading and preparing them map, calling the provided $check callback	2831	her, loading and preparing them map, calling the provided $check callback
2539	that has to return the map if sucecssful, and then unfreezes the player on	2832	that has to return the map if sucecssful, and then unfreezes the player on
2540	the new (success) or old (failed) map position. In either case, $done will	2833	the new (success) or old (failed) map position. In either case, $done will
…		…
2547		2840
2548	our $GOTOGEN;	2841	our $GOTOGEN;
2549		2842
2550	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
2551	my ($self, $path, $x, $y, $check, $done) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
		2845
		2846	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2847	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2848	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2849	($path, $x, $y) = @$EMERGENCY_POSITION;
		2850	}
2552		2851
2553	# do generation counting so two concurrent goto's will be executed in-order	2852	# do generation counting so two concurrent goto's will be executed in-order
2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2555		2854
2556	$self->enter_link;	2855	$self->enter_link;
…		…
2576	($path, $x, $y) = (undef, undef, undef);	2875	($path, $x, $y) = (undef, undef, undef);
2577	}	2876	}
2578	}	2877	}
2579		2878
2580	my $map = eval {	2879	my $map = eval {
2581	my $map = defined $path ? cf::map::find $path : undef;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2582		2881
2583	if ($map) {	2882	if ($map) {
2584	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
2585	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
2586	} else {	2885	} else {
2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2588	}	2887	}
2589		2888
2590	$map	2889	$map
…		…
2598	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
2599	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
2600	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
2601	}	2900	}
2602		2901
2603	$done->() if $done;	2902	$done->($self) if $done;
2604	})->prio (1);	2903	})->prio (1);
2605	}	2904	}
2606		2905
2607	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2608		2907
…		…
2676	$Coro::current->{desc} = "enter_exit";	2975	$Coro::current->{desc} = "enter_exit";
2677		2976
2678	unless (eval {	2977	unless (eval {
2679	$self->deactivate_recursive; # just to be sure	2978	$self->deactivate_recursive; # just to be sure
2680		2979
2681	# random map handling
2682	{
2683	my $guard = cf::lock_acquire "exit_prepare:$exit";
2684
2685	prepare_random_map $exit
2686	if $exit->slaying eq "/!";
2687	}
2688
2689	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2980	my $map = cf::map::normalise $exit->slaying, $exit->map;
2690	my $x = $exit->stats->hp;	2981	my $x = $exit->stats->hp;
2691	my $y = $exit->stats->sp;	2982	my $y = $exit->stats->sp;
		2983
		2984	# special map handling
		2985	my $slaying = $exit->slaying;
		2986
		2987	# special map handling
		2988	if ($slaying eq "/!") {
		2989	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2990
		2991	prepare_random_map $exit
		2992	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2993
		2994	$map = $exit->slaying;
		2995
		2996	} elsif ($slaying eq '!up') {
		2997	$map = $exit->map->tile_path (cf::TILE_UP);
		2998	$x = $exit->x;
		2999	$y = $exit->y;
		3000
		3001	} elsif ($slaying eq '!down') {
		3002	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3003	$x = $exit->x;
		3004	$y = $exit->y;
		3005	}
2692		3006
2693	$self->goto ($map, $x, $y);	3007	$self->goto ($map, $x, $y);
2694		3008
2695	# if exit is damned, update players death & WoR home-position	3009	# if exit is damned, update players death & WoR home-position
2696	$self->contr->savebed ($map, $x, $y)	3010	$self->contr->savebed ($map, $x, $y)
…		…
2701	$self->message ("Something went wrong deep within the deliantra server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2702	. "I'll try to bring you back to the map you were before. "	3016	. "I'll try to bring you back to the map you were before. "
2703	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2704	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2705		3019
2706	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2707	$self->leave_link;	3021	$self->leave_link;
2708	}	3022	}
2709	})->prio (1);	3023	})->prio (1);
2710	}	3024	}
2711		3025
…		…
2723	sub cf::client::send_drawinfo {	3037	sub cf::client::send_drawinfo {
2724	my ($self, $text, $flags) = @_;	3038	my ($self, $text, $flags) = @_;
2725		3039
2726	utf8::encode $text;	3040	utf8::encode $text;
2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3041	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3042	}
		3043
		3044	=item $client->send_big_packet ($pkt)
		3045
		3046	Like C<send_packet>, but tries to compress large packets, and fragments
		3047	them as required.
		3048
		3049	=cut
		3050
		3051	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3052
		3053	sub cf::client::send_big_packet {
		3054	my ($self, $pkt) = @_;
		3055
		3056	# try lzf for large packets
		3057	$pkt = "lzf " . Compress::LZF::compress $pkt
		3058	if 1024 <= length $pkt and $self->{can_lzf};
		3059
		3060	# split very large packets
		3061	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3062	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3063	$pkt = "frag";
		3064	}
		3065
		3066	$self->send_packet ($pkt);
2728	}	3067	}
2729		3068
2730	=item $client->send_msg ($channel, $msg, $color, [extra...])	3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
2731		3070
2732	Send a drawinfo or msg packet to the client, formatting the msg for the	3071	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2736		3075
2737	=cut	3076	=cut
2738		3077
2739	# non-persistent channels (usually the info channel)	3078	# non-persistent channels (usually the info channel)
2740	our %CHANNEL = (	3079	our %CHANNEL = (
		3080	"c/motd" => {
		3081	id => "infobox",
		3082	title => "MOTD",
		3083	reply => undef,
		3084	tooltip => "The message of the day",
		3085	},
2741	"c/identify" => {	3086	"c/identify" => {
2742	id => "infobox",	3087	id => "infobox",
2743	title => "Identify",	3088	title => "Identify",
2744	reply => undef,	3089	reply => undef,
2745	tooltip => "Items recently identified",	3090	tooltip => "Items recently identified",
…		…
2747	"c/examine" => {	3092	"c/examine" => {
2748	id => "infobox",	3093	id => "infobox",
2749	title => "Examine",	3094	title => "Examine",
2750	reply => undef,	3095	reply => undef,
2751	tooltip => "Signs and other items you examined",	3096	tooltip => "Signs and other items you examined",
		3097	},
		3098	"c/shopinfo" => {
		3099	id => "infobox",
		3100	title => "Shop Info",
		3101	reply => undef,
		3102	tooltip => "What your bargaining skill tells you about the shop",
2752	},	3103	},
2753	"c/book" => {	3104	"c/book" => {
2754	id => "infobox",	3105	id => "infobox",
2755	title => "Book",	3106	title => "Book",
2756	reply => undef,	3107	reply => undef,
…		…
2772	id => "infobox",	3123	id => "infobox",
2773	title => "Body Parts",	3124	title => "Body Parts",
2774	reply => undef,	3125	reply => undef,
2775	tooltip => "Shows which body parts you posess and are available",	3126	tooltip => "Shows which body parts you posess and are available",
2776	},	3127	},
		3128	"c/statistics" => {
		3129	id => "infobox",
		3130	title => "Statistics",
		3131	reply => undef,
		3132	tooltip => "Shows your primary statistics",
		3133	},
2777	"c/skills" => {	3134	"c/skills" => {
2778	id => "infobox",	3135	id => "infobox",
2779	title => "Skills",	3136	title => "Skills",
2780	reply => undef,	3137	reply => undef,
2781	tooltip => "Shows your experience per skill and item power",	3138	tooltip => "Shows your experience per skill and item power",
		3139	},
		3140	"c/shopitems" => {
		3141	id => "infobox",
		3142	title => "Shop Items",
		3143	reply => undef,
		3144	tooltip => "Shows the items currently for sale in this shop",
		3145	},
		3146	"c/resistances" => {
		3147	id => "infobox",
		3148	title => "Resistances",
		3149	reply => undef,
		3150	tooltip => "Shows your resistances",
		3151	},
		3152	"c/pets" => {
		3153	id => "infobox",
		3154	title => "Pets",
		3155	reply => undef,
		3156	tooltip => "Shows information abotu your pets/a specific pet",
		3157	},
		3158	"c/perceiveself" => {
		3159	id => "infobox",
		3160	title => "Perceive Self",
		3161	reply => undef,
		3162	tooltip => "You gained detailed knowledge about yourself",
2782	},	3163	},
2783	"c/uptime" => {	3164	"c/uptime" => {
2784	id => "infobox",	3165	id => "infobox",
2785	title => "Uptime",	3166	title => "Uptime",
2786	reply => undef,	3167	reply => undef,
…		…
2796	id => "party",	3177	id => "party",
2797	title => "Party",	3178	title => "Party",
2798	reply => "gsay ",	3179	reply => "gsay ",
2799	tooltip => "Messages and chat related to your party",	3180	tooltip => "Messages and chat related to your party",
2800	},	3181	},
		3182	"c/death" => {
		3183	id => "death",
		3184	title => "Death",
		3185	reply => undef,
		3186	tooltip => "Reason for and more info about your most recent death",
		3187	},
		3188	"c/say" => $SAY_CHANNEL,
		3189	"c/chat" => $CHAT_CHANNEL,
2801	);	3190	);
2802		3191
2803	sub cf::client::send_msg {	3192	sub cf::client::send_msg {
2804	my ($self, $channel, $msg, $color, @extra) = @_;	3193	my ($self, $channel, $msg, $color, @extra) = @_;
2805		3194
…		…
2810		3199
2811	# check predefined channels, for the benefit of C	3200	# check predefined channels, for the benefit of C
2812	if ($CHANNEL{$channel}) {	3201	if ($CHANNEL{$channel}) {
2813	$channel = $CHANNEL{$channel};	3202	$channel = $CHANNEL{$channel};
2814		3203
2815	$self->ext_msg (channel_info => $channel)	3204	$self->ext_msg (channel_info => $channel);
2816	if $self->can_msg;
2817
2818	$channel = $channel->{id};	3205	$channel = $channel->{id};
2819		3206
2820	} elsif (ref $channel) {	3207	} elsif (ref $channel) {
2821	# send meta info to client, if not yet sent	3208	# send meta info to client, if not yet sent
2822	unless (exists $self->{channel}{$channel->{id}}) {	3209	unless (exists $self->{channel}{$channel->{id}}) {
2823	$self->{channel}{$channel->{id}} = $channel;	3210	$self->{channel}{$channel->{id}} = $channel;
2824	$self->ext_msg (channel_info => $channel)	3211	$self->ext_msg (channel_info => $channel);
2825	if $self->can_msg;
2826	}	3212	}
2827		3213
2828	$channel = $channel->{id};	3214	$channel = $channel->{id};
2829	}	3215	}
2830		3216
2831	return unless @extra || length $msg;	3217	return unless @extra || length $msg;
2832		3218
2833	if ($self->can_msg) {
2834	# default colour, mask it out	3219	# default colour, mask it out
2835	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2836	if $color & cf::NDI_DEF;	3221	if $color & cf::NDI_DEF;
2837		3222
2838	my $pkt = "msg "	3223	my $pkt = "msg "
2839	. $self->{json_coder}->encode (	3224	. $self->{json_coder}->encode (
2840	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2841	);	3226	);
2842		3227
2843	# try lzf for large packets
2844	$pkt = "lzf " . Compress::LZF::compress $pkt
2845	if 1024 <= length $pkt and $self->{can_lzf};
2846
2847	# split very large packets
2848	if (8192 < length $pkt and $self->{can_lzf}) {
2849	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2850	$pkt = "frag";
2851	}
2852
2853	$self->send_packet ($pkt);	3228	$self->send_big_packet ($pkt);
2854	} else {
2855	if ($color >= 0) {
2856	# replace some tags by gcfclient-compatible ones
2857	for ($msg) {
2858	1 while
2859	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2860	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2861	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2862	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2863	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2864	}
2865
2866	$color &= cf::NDI_COLOR_MASK;
2867
2868	utf8::encode $msg;
2869
2870	if (0 && $msg =~ /\[/) {
2871	# COMMAND/INFO
2872	$self->send_packet ("drawextinfo $color 10 8 $msg")
2873	} else {
2874	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2875	$self->send_packet ("drawinfo $color $msg")
2876	}
2877	}
2878	}
2879	}	3229	}
2880		3230
2881	=item $client->ext_msg ($type, @msg)	3231	=item $client->ext_msg ($type, @msg)
2882		3232
2883	Sends an ext event to the client.	3233	Sends an ext event to the client.
…		…
2886		3236
2887	sub cf::client::ext_msg($$@) {	3237	sub cf::client::ext_msg($$@) {
2888	my ($self, $type, @msg) = @_;	3238	my ($self, $type, @msg) = @_;
2889		3239
2890	if ($self->extcmd == 2) {	3240	if ($self->extcmd == 2) {
2891	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3241	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2892	} elsif ($self->extcmd == 1) { # TODO: remove	3242	} elsif ($self->extcmd == 1) { # TODO: remove
2893	push @msg, msgtype => "event_$type";	3243	push @msg, msgtype => "event_$type";
2894	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3244	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2895	}	3245	}
2896	}	3246	}
2897		3247
2898	=item $client->ext_reply ($msgid, @msg)	3248	=item $client->ext_reply ($msgid, @msg)
2899		3249
…		…
2902	=cut	3252	=cut
2903		3253
2904	sub cf::client::ext_reply($$@) {	3254	sub cf::client::ext_reply($$@) {
2905	my ($self, $id, @msg) = @_;	3255	my ($self, $id, @msg) = @_;
2906		3256
2907	if ($self->extcmd == 2) {	3257	return unless $self->extcmd == 2;
		3258
2908	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3259	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2909	} elsif ($self->extcmd == 1) {
2910	#TODO: version 1, remove
2911	unshift @msg, msgtype => "reply", msgid => $id;
2912	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2913	}
2914	}	3260	}
2915		3261
2916	=item $success = $client->query ($flags, "text", \&cb)	3262	=item $success = $client->query ($flags, "text", \&cb)
2917		3263
2918	Queues a query to the client, calling the given callback with	3264	Queues a query to the client, calling the given callback with
…		…
2973	my ($ns, $buf) = @_;	3319	my ($ns, $buf) = @_;
2974		3320
2975	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3321	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2976		3322
2977	if (ref $msg) {	3323	if (ref $msg) {
2978	my ($type, $reply, @payload) =	3324	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2979	"ARRAY" eq ref $msg
2980	? @$msg
2981	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2982		3325
2983	my @reply;	3326	my @reply;
2984		3327
2985	if (my $cb = $EXTICMD{$type}) {	3328	if (my $cb = $EXTICMD{$type}) {
2986	@reply = $cb->($ns, @payload);	3329	@reply = $cb->($ns, @payload);
…		…
2988		3331
2989	$ns->ext_reply ($reply, @reply)	3332	$ns->ext_reply ($reply, @reply)
2990	if $reply;	3333	if $reply;
2991		3334
2992	} else {	3335	} else {
2993	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3336	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2994	}	3337	}
2995		3338
2996	cf::override;	3339	cf::override;
2997	},	3340	},
2998	);	3341	);
…		…
3018		3361
3019	$coro	3362	$coro
3020	}	3363	}
3021		3364
3022	cf::client->attach (	3365	cf::client->attach (
3023	on_destroy => sub {	3366	on_client_destroy => sub {
3024	my ($ns) = @_;	3367	my ($ns) = @_;
3025		3368
3026	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3369	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3027	},	3370	},
3028	);	3371	);
…		…
3044	our $safe_hole = new Safe::Hole;	3387	our $safe_hole = new Safe::Hole;
3045		3388
3046	$SIG{FPE} = 'IGNORE';	3389	$SIG{FPE} = 'IGNORE';
3047		3390
3048	$safe->permit_only (Opcode::opset qw(	3391	$safe->permit_only (Opcode::opset qw(
3049	:base_core :base_mem :base_orig :base_math	3392	:base_core :base_mem :base_orig :base_math :base_loop
3050	grepstart grepwhile mapstart mapwhile	3393	grepstart grepwhile mapstart mapwhile
3051	sort time	3394	sort time
3052	));	3395	));
3053		3396
3054	# here we export the classes and methods available to script code	3397	# here we export the classes and methods available to script code
…		…
3058	The following functions and methods are available within a safe environment:	3401	The following functions and methods are available within a safe environment:
3059		3402
3060	cf::object	3403	cf::object
3061	contr pay_amount pay_player map x y force_find force_add destroy	3404	contr pay_amount pay_player map x y force_find force_add destroy
3062	insert remove name archname title slaying race decrease split	3405	insert remove name archname title slaying race decrease split
		3406	value
3063		3407
3064	cf::object::player	3408	cf::object::player
3065	player	3409	player
3066		3410
3067	cf::player	3411	cf::player
…		…
3073	=cut	3417	=cut
3074		3418
3075	for (	3419	for (
3076	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3420	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3077	insert remove inv nrof name archname title slaying race	3421	insert remove inv nrof name archname title slaying race
3078	decrease split destroy change_exp)],	3422	decrease split destroy change_exp value msg lore send_msg)],
3079	["cf::object::player" => qw(player)],	3423	["cf::object::player" => qw(player)],
3080	["cf::player" => qw(peaceful)],	3424	["cf::player" => qw(peaceful send_msg)],
3081	["cf::map" => qw(trigger)],	3425	["cf::map" => qw(trigger)],
3082	) {	3426	) {
3083	no strict 'refs';
3084	my ($pkg, @funs) = @$_;	3427	my ($pkg, @funs) = @$_;
3085	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3428	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3086	for @funs;	3429	for @funs;
3087	}	3430	}
3088		3431
…		…
3103		3446
3104	my $qcode = $code;	3447	my $qcode = $code;
3105	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3448	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3106	$qcode =~ s/\n/\\n/g;	3449	$qcode =~ s/\n/\\n/g;
3107		3450
		3451	%vars = (_dummy => 0) unless %vars;
		3452
		3453	my @res;
3108	local $_;	3454	local $_;
3109	local @safe::cf::_safe_eval_args = values %vars;
3110		3455
3111	my $eval =	3456	my $eval =
3112	"do {\n"	3457	"do {\n"
3113	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3458	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3114	. "#line 0 \"{$qcode}\"\n"	3459	. "#line 0 \"{$qcode}\"\n"
3115	. $code	3460	. $code
3116	. "\n}"	3461	. "\n}"
3117	;	3462	;
3118		3463
		3464	if ($CFG{safe_eval}) {
3119	sub_generation_inc;	3465	sub_generation_inc;
		3466	local @safe::cf::_safe_eval_args = values %vars;
3120	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3467	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3121	sub_generation_inc;	3468	sub_generation_inc;
		3469	} else {
		3470	local @cf::_safe_eval_args = values %vars;
		3471	@res = wantarray ? eval eval : scalar eval $eval;
		3472	}
3122		3473
3123	if ($@) {	3474	if ($@) {
3124	warn "$@";	3475	warn "$@",
3125	warn "while executing safe code '$code'\n";	3476	"while executing safe code '$code'\n",
3126	warn "with arguments " . (join " ", %vars) . "\n";	3477	"with arguments " . (join " ", %vars) . "\n";
3127	}	3478	}
3128		3479
3129	wantarray ? @res : $res[0]	3480	wantarray ? @res : $res[0]
3130	}	3481	}
3131		3482
…		…
3145	=cut	3496	=cut
3146		3497
3147	sub register_script_function {	3498	sub register_script_function {
3148	my ($fun, $cb) = @_;	3499	my ($fun, $cb) = @_;
3149		3500
3150	no strict 'refs';	3501	$fun = "safe::$fun" if $CFG{safe_eval};
3151	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3502	*$fun = $safe_hole->wrap ($cb);
3152	}	3503	}
3153		3504
3154	=back	3505	=back
3155		3506
3156	=cut	3507	=cut
3157		3508
3158	#############################################################################	3509	#############################################################################
3159	# the server's init and main functions	3510	# the server's init and main functions
		3511
		3512	our %FACEHASH; # hash => idx, #d# HACK for http server
3160		3513
3161	sub load_facedata($) {	3514	sub load_facedata($) {
3162	my ($path) = @_;	3515	my ($path) = @_;
3163		3516
3164	# HACK to clear player env face cache, we need some signal framework	3517	# HACK to clear player env face cache, we need some signal framework
3165	# for this (global event?)	3518	# for this (global event?)
3166	%ext::player_env::MUSIC_FACE_CACHE = ();	3519	%ext::player_env::MUSIC_FACE_CACHE = ();
3167		3520
3168	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3521	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3169		3522
3170	warn "loading facedata from $path\n";	3523	trace "loading facedata from $path\n";
3171		3524
3172	my $facedata;	3525	my $facedata = decode_storable load_file $path;
3173	0 < aio_load $path, $facedata
3174	or die "$path: $!";
3175
3176	$facedata = Coro::Storable::thaw $facedata;
3177		3526
3178	$facedata->{version} == 2	3527	$facedata->{version} == 2
3179	or cf::cleanup "$path: version mismatch, cannot proceed.";	3528	or cf::cleanup "$path: version mismatch, cannot proceed.";
3180		3529
3181	# patch in the exptable	3530	# patch in the exptable
		3531	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3182	$facedata->{resource}{"res/exp_table"} = {	3532	$facedata->{resource}{"res/exp_table"} = {
3183	type => FT_RSRC,	3533	type => FT_RSRC,
3184	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3534	data => $exp_table,
		3535	hash => (Digest::MD5::md5 $exp_table),
3185	};	3536	};
3186	cf::cede_to_tick;	3537	cf::cede_to_tick;
3187		3538
3188	{	3539	{
3189	my $faces = $facedata->{faceinfo};	3540	my $faces = $facedata->{faceinfo};
3190		3541
3191	while (my ($face, $info) = each %$faces) {	3542	for my $face (sort keys %$faces) {
		3543	my $info = $faces->{$face};
3192	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3544	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3193		3545
3194	cf::face::set_visibility $idx, $info->{visibility};	3546	cf::face::set_visibility $idx, $info->{visibility};
3195	cf::face::set_magicmap $idx, $info->{magicmap};	3547	cf::face::set_magicmap $idx, $info->{magicmap};
3196	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3548	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3197	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3549	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3550	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3551	$FACEHASH{$info->{hash64}} = $idx;#d#
3198		3552
3199	cf::cede_to_tick;	3553	cf::cede_to_tick;
3200	}	3554	}
3201		3555
3202	while (my ($face, $info) = each %$faces) {	3556	while (my ($face, $info) = each %$faces) {
…		…
3207		3561
3208	if (my $smooth = cf::face::find $info->{smooth}) {	3562	if (my $smooth = cf::face::find $info->{smooth}) {
3209	cf::face::set_smooth $idx, $smooth;	3563	cf::face::set_smooth $idx, $smooth;
3210	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3564	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3211	} else {	3565	} else {
3212	warn "smooth face '$info->{smooth}' not found for face '$face'";	3566	error "smooth face '$info->{smooth}' not found for face '$face'";
3213	}	3567	}
3214		3568
3215	cf::cede_to_tick;	3569	cf::cede_to_tick;
3216	}	3570	}
3217	}	3571	}
…		…
3226		3580
3227	cf::anim::invalidate_all; # d'oh	3581	cf::anim::invalidate_all; # d'oh
3228	}	3582	}
3229		3583
3230	{	3584	{
3231	# TODO: for gcfclient pleasure, we should give resources
3232	# that gcfclient doesn't grok a >10000 face index.
3233	my $res = $facedata->{resource};	3585	my $res = $facedata->{resource};
3234		3586
3235	while (my ($name, $info) = each %$res) {	3587	while (my ($name, $info) = each %$res) {
3236	if (defined $info->{type}) {	3588	if (defined (my $type = $info->{type})) {
		3589	# TODO: different hash - must free and use new index, or cache ixface data queue
3237	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3590	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3238	my $data;
3239		3591
3240	if ($info->{type} & 1) {	3592	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3241	# prepend meta info
3242
3243	my $meta = $enc->encode ({
3244	name => $name,
3245	%{ $info->{meta} || {} },
3246	});
3247
3248	$data = pack "(w/a*)*", $meta, $info->{data};
3249	} else {
3250	$data = $info->{data};
3251	}
3252
3253	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3254	cf::face::set_type $idx, $info->{type};	3593	cf::face::set_type $idx, $type;
		3594	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3595	$FACEHASH{$info->{hash}} = $idx;#d#
3255	} else {	3596	} else {
3256	$RESOURCE{$name} = $info;	3597	# $RESOURCE{$name} = $info; # unused
3257	}	3598	}
3258		3599
3259	cf::cede_to_tick;	3600	cf::cede_to_tick;
3260	}	3601	}
3261	}	3602	}
3262		3603
3263	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3604	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3264		3605
3265	1	3606	1
3266	}	3607	}
3267
3268	cf::global->attach (on_resource_update => sub {
3269	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3270	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3271
3272	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3273	my $sound = $soundconf->{compat}[$_]
3274	or next;
3275
3276	my $face = cf::face::find "sound/$sound->[1]";
3277	cf::sound::set $sound->[0] => $face;
3278	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3279	}
3280
3281	while (my ($k, $v) = each %{$soundconf->{event}}) {
3282	my $face = cf::face::find "sound/$v";
3283	cf::sound::set $k => $face;
3284	}
3285	}
3286	});
3287		3608
3288	register_exticmd fx_want => sub {	3609	register_exticmd fx_want => sub {
3289	my ($ns, $want) = @_;	3610	my ($ns, $want) = @_;
3290		3611
3291	while (my ($k, $v) = each %$want) {	3612	while (my ($k, $v) = each %$want) {
…		…
3330	sub reload_treasures {	3651	sub reload_treasures {
3331	load_resource_file "$DATADIR/treasures"	3652	load_resource_file "$DATADIR/treasures"
3332	or die "unable to load treasurelists\n";	3653	or die "unable to load treasurelists\n";
3333	}	3654	}
3334		3655
		3656	sub reload_sound {
		3657	trace "loading sound config from $DATADIR/sound\n";
		3658
		3659	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3660
		3661	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3662	my $sound = $soundconf->{compat}[$_]
		3663	or next;
		3664
		3665	my $face = cf::face::find "sound/$sound->[1]";
		3666	cf::sound::set $sound->[0] => $face;
		3667	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3668	}
		3669
		3670	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3671	my $face = cf::face::find "sound/$v";
		3672	cf::sound::set $k => $face;
		3673	}
		3674	}
		3675
3335	sub reload_resources {	3676	sub reload_resources {
3336	warn "reloading resource files...\n";	3677	trace "reloading resource files...\n";
3337		3678
		3679	reload_exp_table;
		3680	reload_materials;
3338	reload_facedata;	3681	reload_facedata;
		3682	reload_sound;
3339	reload_archetypes;	3683	reload_archetypes;
3340	reload_regions;	3684	reload_regions;
3341	reload_treasures;	3685	reload_treasures;
3342		3686
3343	warn "finished reloading resource files\n";	3687	trace "finished reloading resource files\n";
3344	}
3345
3346	sub init {
3347	my $guard = freeze_mainloop;
3348
3349	evthread_start IO::AIO::poll_fileno;
3350
3351	reload_resources;
3352	}	3688	}
3353		3689
3354	sub reload_config {	3690	sub reload_config {
3355	open my $fh, "<:utf8", "$CONFDIR/config"	3691	trace "reloading config file...\n";
3356	or return;
3357		3692
3358	local $/;	3693	my $config = load_file "$CONFDIR/config";
3359	*CFG = YAML::Load <$fh>;	3694	utf8::decode $config;
		3695	*CFG = decode_yaml $config;
3360		3696
3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3697	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3362		3698
3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3699	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3700	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3365		3701
3366	if (exists $CFG{mlockall}) {	3702	if (exists $CFG{mlockall}) {
…		…
3389		3725
3390	seek $fh, 0, 0;	3726	seek $fh, 0, 0;
3391	print $fh $$;	3727	print $fh $$;
3392	}	3728	}
3393		3729
		3730	sub main_loop {
		3731	trace "EV::loop starting\n";
		3732	if (1) {
		3733	EV::loop;
		3734	}
		3735	trace "EV::loop returned\n";
		3736	goto &main_loop unless $REALLY_UNLOOP;
		3737	}
		3738
3394	sub main {	3739	sub main {
3395	atomic;	3740	cf::init_globals; # initialise logging
		3741
		3742	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3743	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3744	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3745	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3746
		3747	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3396		3748
3397	# we must not ever block the main coroutine	3749	# we must not ever block the main coroutine
3398	local $Coro::idle = sub {	3750	$Coro::idle = sub {
3399	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3751	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3400	(async {	3752	(async {
3401	$Coro::current->{desc} = "IDLE BUG HANDLER";	3753	$Coro::current->{desc} = "IDLE BUG HANDLER";
3402	EV::loop EV::LOOP_ONESHOT;	3754	EV::loop EV::LOOP_ONESHOT;
3403	})->prio (Coro::PRIO_MAX);	3755	})->prio (Coro::PRIO_MAX);
3404	};	3756	};
3405		3757
3406	{	3758	evthread_start IO::AIO::poll_fileno;
3407	my $guard = freeze_mainloop;	3759
		3760	cf::sync_job {
		3761	cf::incloader::init ();
		3762
		3763	cf::init_anim;
		3764	cf::init_attackmess;
		3765	cf::init_dynamic;
		3766
		3767	cf::load_settings;
		3768
		3769	reload_resources;
3408	reload_config;	3770	reload_config;
3409	db_init;	3771	db_init;
		3772
		3773	cf::init_uuid;
		3774	cf::init_signals;
		3775	cf::init_skills;
		3776
		3777	cf::init_beforeplay;
		3778
		3779	atomic;
		3780
3410	load_extensions;	3781	load_extensions;
3411		3782
3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3413	}
3414
3415	utime time, time, $RUNTIMEFILE;	3783	utime time, time, $RUNTIMEFILE;
3416		3784
3417	# no (long-running) fork's whatsoever before this point(!)	3785	# no (long-running) fork's whatsoever before this point(!)
		3786	use POSIX ();
3418	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};	3787	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3419		3788
3420	EV::loop;	3789	cf::_post_init 0;
		3790	};
		3791
		3792	cf::object::thawer::errors_are_fatal 0;
		3793	info "parse errors in files are no longer fatal from this point on.\n";
		3794
		3795	AE::postpone {
		3796	undef &main; # free gobs of memory :)
		3797	};
		3798
		3799	goto &main_loop;
3421	}	3800	}
3422		3801
3423	#############################################################################	3802	#############################################################################
3424	# initialisation and cleanup	3803	# initialisation and cleanup
3425		3804
3426	# install some emergency cleanup handlers	3805	# install some emergency cleanup handlers
3427	BEGIN {	3806	BEGIN {
3428	our %SIGWATCHER = ();	3807	our %SIGWATCHER = ();
3429	for my $signal (qw(INT HUP TERM)) {	3808	for my $signal (qw(INT HUP TERM)) {
3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3809	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3431	cf::cleanup "SIG$signal";	3810	cf::cleanup "SIG$signal";
3432	};	3811	};
3433	}	3812	}
3434	}	3813	}
3435		3814
3436	sub write_runtime_sync {	3815	sub write_runtime_sync {
		3816	my $t0 = AE::time;
		3817
3437	# first touch the runtime file to show we are still running:	3818	# first touch the runtime file to show we are still running:
3438	# the fsync below can take a very very long time.	3819	# the fsync below can take a very very long time.
3439		3820
3440	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;	3821	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3441		3822
3442	my $guard = cf::lock_acquire "write_runtime";	3823	my $guard = cf::lock_acquire "write_runtime";
3443		3824
3444	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644	3825	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3445	or return;	3826	or return;
3446		3827
3447	my $value = $cf::RUNTIME + 90 + 10;	3828	my $value = $cf::RUNTIME + 90 + 10;
3448	# 10 is the runtime save interval, for a monotonic clock	3829	# 10 is the runtime save interval, for a monotonic clock
3449	# 60 allows for the watchdog to kill the server.	3830	# 60 allows for the watchdog to kill the server.
…		…
3462	or return;	3843	or return;
3463		3844
3464	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE	3845	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3465	and return;	3846	and return;
3466		3847
3467	warn "runtime file written.\n";	3848	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3468		3849
3469	1	3850	1
3470	}	3851	}
3471		3852
3472	our $uuid_lock;	3853	our $uuid_lock;
…		…
3481	my $uuid = "$LOCALDIR/uuid";	3862	my $uuid = "$LOCALDIR/uuid";
3482		3863
3483	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3864	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3484	or return;	3865	or return;
3485		3866
3486	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3867	my $value = uuid_seq uuid_cur;
		3868
		3869	unless ($value) {
		3870	info "cowardly refusing to write zero uuid value!\n";
		3871	return;
		3872	}
		3873
		3874	my $value = uuid_str $value + $uuid_skip;
3487	$uuid_skip = 0;	3875	$uuid_skip = 0;
3488		3876
3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3877	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3490	and return;	3878	and return;
3491		3879
…		…
3497	or return;	3885	or return;
3498		3886
3499	aio_rename "$uuid~", $uuid	3887	aio_rename "$uuid~", $uuid
3500	and return;	3888	and return;
3501		3889
3502	warn "uuid file written ($value).\n";	3890	trace "uuid file written ($value).\n";
3503		3891
3504	1	3892	1
3505		3893
3506	}	3894	}
3507		3895
…		…
3513	}	3901	}
3514		3902
3515	sub emergency_save() {	3903	sub emergency_save() {
3516	my $freeze_guard = cf::freeze_mainloop;	3904	my $freeze_guard = cf::freeze_mainloop;
3517		3905
3518	warn "enter emergency perl save\n";	3906	info "emergency_perl_save: enter\n";
		3907
		3908	# this is a trade-off: we want to be very quick here, so
		3909	# save all maps without fsync, and later call a global sync
		3910	# (which in turn might be very very slow)
		3911	local $USE_FSYNC = 0;
3519		3912
3520	cf::sync_job {	3913	cf::sync_job {
		3914	cf::write_runtime_sync; # external watchdog should not bark
		3915
3521	# use a peculiar iteration method to avoid tripping on perl	3916	# use a peculiar iteration method to avoid tripping on perl
3522	# refcount bugs in for. also avoids problems with players	3917	# refcount bugs in for. also avoids problems with players
3523	# and maps saved/destroyed asynchronously.	3918	# and maps saved/destroyed asynchronously.
3524	warn "begin emergency player save\n";	3919	info "emergency_perl_save: begin player save\n";
3525	for my $login (keys %cf::PLAYER) {	3920	for my $login (keys %cf::PLAYER) {
3526	my $pl = $cf::PLAYER{$login} or next;	3921	my $pl = $cf::PLAYER{$login} or next;
3527	$pl->valid or next;	3922	$pl->valid or next;
3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3923	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3529	$pl->save;	3924	$pl->save;
3530	}	3925	}
3531	warn "end emergency player save\n";	3926	info "emergency_perl_save: end player save\n";
3532		3927
3533	warn "begin emergency map save\n";	3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	info "emergency_perl_save: begin map save\n";
3534	for my $path (keys %cf::MAP) {	3931	for my $path (keys %cf::MAP) {
3535	my $map = $cf::MAP{$path} or next;	3932	my $map = $cf::MAP{$path} or next;
3536	$map->valid or next;	3933	$map->valid or next;
3537	$map->save;	3934	$map->save;
3538	}	3935	}
3539	warn "end emergency map save\n";	3936	info "emergency_perl_save: end map save\n";
3540		3937
3541	warn "begin emergency database checkpoint\n";	3938	cf::write_runtime_sync; # external watchdog should not bark
		3939
		3940	info "emergency_perl_save: begin database checkpoint\n";
3542	BDB::db_env_txn_checkpoint $DB_ENV;	3941	BDB::db_env_txn_checkpoint $DB_ENV;
3543	warn "end emergency database checkpoint\n";	3942	info "emergency_perl_save: end database checkpoint\n";
3544		3943
3545	warn "begin write uuid\n";	3944	info "emergency_perl_save: begin write uuid\n";
3546	write_uuid_sync 1;	3945	write_uuid_sync 1;
3547	warn "end write uuid\n";	3946	info "emergency_perl_save: end write uuid\n";
		3947
		3948	cf::write_runtime_sync; # external watchdog should not bark
		3949
		3950	trace "emergency_perl_save: syncing database to disk";
		3951	BDB::db_env_txn_checkpoint $DB_ENV;
		3952
		3953	info "emergency_perl_save: starting sync\n";
		3954	IO::AIO::aio_sync sub {
		3955	info "emergency_perl_save: finished sync\n";
		3956	};
		3957
		3958	cf::write_runtime_sync; # external watchdog should not bark
		3959
		3960	trace "emergency_perl_save: flushing outstanding aio requests";
		3961	while (IO::AIO::nreqs || BDB::nreqs) {
		3962	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3963	}
		3964
		3965	cf::write_runtime_sync; # external watchdog should not bark
3548	};	3966	};
3549		3967
3550	warn "leave emergency perl save\n";	3968	info "emergency_perl_save: leave\n";
3551	}	3969	}
3552		3970
3553	sub post_cleanup {	3971	sub post_cleanup {
3554	my ($make_core) = @_;	3972	my ($make_core) = @_;
3555		3973
		3974	IO::AIO::flush;
		3975
3556	warn Carp::longmess "post_cleanup backtrace"	3976	error Carp::longmess "post_cleanup backtrace"
3557	if $make_core;	3977	if $make_core;
3558		3978
3559	my $fh = pidfile;	3979	my $fh = pidfile;
3560	unlink $PIDFILE if <$fh> == $$;	3980	unlink $PIDFILE if <$fh> == $$;
3561	}	3981	}
…		…
3581	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	4001	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3582	for my $name (keys %$leaf_symtab) {	4002	for my $name (keys %$leaf_symtab) {
3583	_gv_clear *{"$pkg$name"};	4003	_gv_clear *{"$pkg$name"};
3584	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	4004	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3585	}	4005	}
3586	warn "cleared package $pkg\n";#d#
3587	}	4006	}
3588		4007
3589	sub do_reload_perl() {	4008	sub do_reload_perl() {
3590	# can/must only be called in main	4009	# can/must only be called in main
3591	if ($Coro::current != $Coro::main) {	4010	unless (in_main) {
3592	warn "can only reload from main coroutine";	4011	error "can only reload from main coroutine";
3593	return;	4012	return;
3594	}	4013	}
3595		4014
3596	return if $RELOAD++;	4015	return if $RELOAD++;
3597		4016
		4017	my $t1 = AE::time;
		4018
3598	while ($RELOAD) {	4019	while ($RELOAD) {
3599	warn "reloading...";	4020	cf::get_slot 0.1, -1, "reload_perl";
		4021	info "perl_reload: reloading...";
3600		4022
3601	warn "entering sync_job";	4023	trace "perl_reload: entering sync_job";
3602		4024
3603	cf::sync_job {	4025	cf::sync_job {
3604	cf::write_runtime_sync; # external watchdog should not bark
3605	cf::emergency_save;	4026	#cf::emergency_save;
3606	cf::write_runtime_sync; # external watchdog should not bark
3607		4027
3608	warn "syncing database to disk";
3609	BDB::db_env_txn_checkpoint $DB_ENV;
3610
3611	# if anything goes wrong in here, we should simply crash as we already saved
3612
3613	warn "flushing outstanding aio requests";
3614	while (IO::AIO::nreqs || BDB::nreqs) {
3615	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3616	}
3617
3618	warn "cancelling all extension coros";	4028	trace "perl_reload: cancelling all extension coros";
3619	$_->cancel for values %EXT_CORO;	4029	$_->cancel for values %EXT_CORO;
3620	%EXT_CORO = ();	4030	%EXT_CORO = ();
3621		4031
3622	warn "removing commands";	4032	trace "perl_reload: removing commands";
3623	%COMMAND = ();	4033	%COMMAND = ();
3624		4034
3625	warn "removing ext/exti commands";	4035	trace "perl_reload: removing ext/exti commands";
3626	%EXTCMD = ();	4036	%EXTCMD = ();
3627	%EXTICMD = ();	4037	%EXTICMD = ();
3628		4038
3629	warn "unloading/nuking all extensions";	4039	trace "perl_reload: unloading/nuking all extensions";
3630	for my $pkg (@EXTS) {	4040	for my $pkg (@EXTS) {
3631	warn "... unloading $pkg";	4041	trace "... unloading $pkg";
3632		4042
3633	if (my $cb = $pkg->can ("unload")) {	4043	if (my $cb = $pkg->can ("unload")) {
3634	eval {	4044	eval {
3635	$cb->($pkg);	4045	$cb->($pkg);
3636	1	4046	1
3637	} or warn "$pkg unloaded, but with errors: $@";	4047	} or error "$pkg unloaded, but with errors: $@";
3638	}	4048	}
3639		4049
3640	warn "... clearing $pkg";	4050	trace "... clearing $pkg";
3641	clear_package $pkg;	4051	clear_package $pkg;
3642	}	4052	}
3643		4053
3644	warn "unloading all perl modules loaded from $LIBDIR";	4054	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3645	while (my ($k, $v) = each %INC) {	4055	while (my ($k, $v) = each %INC) {
3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4056	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3647		4057
3648	warn "... unloading $k";	4058	trace "... unloading $k";
3649	delete $INC{$k};	4059	delete $INC{$k};
3650		4060
3651	$k =~ s/\.pm$//;	4061	$k =~ s/\.pm$//;
3652	$k =~ s/\//::/g;	4062	$k =~ s/\//::/g;
3653		4063
…		…
3656	}	4066	}
3657		4067
3658	clear_package $k;	4068	clear_package $k;
3659	}	4069	}
3660		4070
3661	warn "getting rid of safe::, as good as possible";	4071	trace "perl_reload: getting rid of safe::, as good as possible";
3662	clear_package "safe::$_"	4072	clear_package "safe::$_"
3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4073	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3664		4074
3665	warn "unloading cf.pm \"a bit\"";	4075	trace "perl_reload: unloading cf.pm \"a bit\"";
3666	delete $INC{"cf.pm"};	4076	delete $INC{"cf.pm"};
3667	delete $INC{"cf/pod.pm"};	4077	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3668		4078
3669	# don't, removes xs symbols, too,	4079	# don't, removes xs symbols, too,
3670	# and global variables created in xs	4080	# and global variables created in xs
3671	#clear_package __PACKAGE__;	4081	#clear_package __PACKAGE__;
3672		4082
3673	warn "unload completed, starting to reload now";	4083	info "perl_reload: unload completed, starting to reload now";
3674		4084
3675	warn "reloading cf.pm";	4085	trace "perl_reload: reloading cf.pm";
3676	require cf;	4086	require cf;
3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4087	cf::_connect_to_perl_1;
3678		4088
3679	warn "loading config and database again";	4089	trace "perl_reload: loading config and database again";
3680	cf::reload_config;	4090	cf::reload_config;
3681		4091
3682	warn "loading extensions";	4092	trace "perl_reload: loading extensions";
3683	cf::load_extensions;	4093	cf::load_extensions;
3684		4094
		4095	if ($REATTACH_ON_RELOAD) {
3685	warn "reattaching attachments to objects/players";	4096	trace "perl_reload: reattaching attachments to objects/players";
3686	_global_reattach; # objects, sockets	4097	_global_reattach; # objects, sockets
3687	warn "reattaching attachments to maps";	4098	trace "perl_reload: reattaching attachments to maps";
3688	reattach $_ for values %MAP;	4099	reattach $_ for values %MAP;
3689	warn "reattaching attachments to players";	4100	trace "perl_reload: reattaching attachments to players";
3690	reattach $_ for values %PLAYER;	4101	reattach $_ for values %PLAYER;
		4102	}
3691		4103
3692	warn "leaving sync_job";	4104	cf::_post_init 1;
		4105
		4106	trace "perl_reload: leaving sync_job";
3693		4107
3694	1	4108	1
3695	} or do {	4109	} or do {
3696	warn $@;	4110	error $@;
3697	cf::cleanup "error while reloading, exiting.";	4111	cf::cleanup "perl_reload: error, exiting.";
3698	};	4112	};
3699		4113
3700	warn "reloaded";
3701	--$RELOAD;	4114	--$RELOAD;
3702	}	4115	}
		4116
		4117	$t1 = AE::time - $t1;
		4118	info "perl_reload: completed in ${t1}s\n";
3703	};	4119	};
3704		4120
3705	our $RELOAD_WATCHER; # used only during reload	4121	our $RELOAD_WATCHER; # used only during reload
3706		4122
3707	sub reload_perl() {	4123	sub reload_perl() {
3708	# doing reload synchronously and two reloads happen back-to-back,	4124	# doing reload synchronously and two reloads happen back-to-back,
3709	# coro crashes during coro_state_free->destroy here.	4125	# coro crashes during coro_state_free->destroy here.
3710		4126
		4127	$RELOAD_WATCHER ||= cf::async {
		4128	Coro::AIO::aio_wait cache_extensions;
		4129
3711	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {	4130	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3712	do_reload_perl;	4131	do_reload_perl;
3713	undef $RELOAD_WATCHER;	4132	undef $RELOAD_WATCHER;
		4133	};
3714	};	4134	};
3715	}	4135	}
3716		4136
3717	register_command "reload" => sub {	4137	register_command "reload" => sub {
3718	my ($who, $arg) = @_;	4138	my ($who, $arg) = @_;
…		…
3724	reload_perl;	4144	reload_perl;
3725	};	4145	};
3726	}	4146	}
3727	};	4147	};
3728		4148
3729	unshift @INC, $LIBDIR;	4149	#############################################################################
3730		4150
3731	my $bug_warning = 0;	4151	my $bug_warning = 0;
3732		4152
3733	our @WAIT_FOR_TICK;
3734	our @WAIT_FOR_TICK_BEGIN;
3735
3736	sub wait_for_tick {	4153	sub wait_for_tick() {
3737	return if tick_inhibit || $Coro::current == $Coro::main;	4154	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3738		4155
3739	my $signal = new Coro::Signal;	4156	$WAIT_FOR_TICK->wait;
3740	push @WAIT_FOR_TICK, $signal;
3741	$signal->wait;
3742	}	4157	}
3743		4158
3744	sub wait_for_tick_begin {	4159	sub wait_for_tick_begin() {
3745	return if tick_inhibit || $Coro::current == $Coro::main;	4160	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3746		4161
3747	my $signal = new Coro::Signal;	4162	my $signal = new Coro::Signal;
3748	push @WAIT_FOR_TICK_BEGIN, $signal;	4163	push @WAIT_FOR_TICK_BEGIN, $signal;
3749	$signal->wait;	4164	$signal->wait;
3750	}	4165	}
…		…
3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4169	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3755	unless ++$bug_warning > 10;	4170	unless ++$bug_warning > 10;
3756	return;	4171	return;
3757	}	4172	}
3758		4173
3759	cf::server_tick; # one server iteration	4174	cf::one_tick; # one server iteration
		4175
		4176	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3760		4177
3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4178	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4179	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3763	Coro::async_pool {	4180	Coro::async_pool {
3764	$Coro::current->{desc} = "runtime saver";	4181	$Coro::current->{desc} = "runtime saver";
3765	write_runtime_sync	4182	write_runtime_sync
3766	or warn "ERROR: unable to write runtime file: $!";	4183	or error "ERROR: unable to write runtime file: $!";
3767	};	4184	};
3768	}	4185	}
3769		4186
3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4187	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3771	$sig->send;	4188	$sig->send;
3772	}	4189	}
3773	while (my $sig = shift @WAIT_FOR_TICK) {	4190	$WAIT_FOR_TICK->broadcast;
3774	$sig->send;
3775	}
3776		4191
3777	$LOAD = ($NOW - $TICK_START) / $TICK;	4192	$LOAD = ($NOW - $TICK_START) / $TICK;
3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4193	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3779		4194
3780	if (0) {	4195	if (0) {
3781	if ($NEXT_TICK) {	4196	if ($NEXT_TICK) {
3782	my $jitter = $TICK_START - $NEXT_TICK;	4197	my $jitter = $TICK_START - $NEXT_TICK;
3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4198	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3784	warn "jitter $JITTER\n";#d#	4199	debug "jitter $JITTER\n";#d#
3785	}	4200	}
3786	}	4201	}
3787	}	4202	}
3788		4203
3789	{	4204	{
3790	# configure BDB	4205	# configure BDB
3791		4206
3792	BDB::min_parallel 8;	4207	BDB::min_parallel 16;
3793	BDB::max_poll_reqs $TICK * 0.1;	4208	BDB::max_poll_reqs $TICK * 0.1;
3794	$AnyEvent::BDB::WATCHER->priority (1);	4209	#$AnyEvent::BDB::WATCHER->priority (1);
3795		4210
3796	unless ($DB_ENV) {	4211	unless ($DB_ENV) {
3797	$DB_ENV = BDB::db_env_create;	4212	$DB_ENV = BDB::db_env_create;
3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4213	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3799	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;	4214	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
…		…
3834	IO::AIO::min_parallel 8;	4249	IO::AIO::min_parallel 8;
3835	IO::AIO::max_poll_time $TICK * 0.1;	4250	IO::AIO::max_poll_time $TICK * 0.1;
3836	undef $AnyEvent::AIO::WATCHER;	4251	undef $AnyEvent::AIO::WATCHER;
3837	}	4252	}
3838		4253
3839	my $_log_backtrace;	4254	our $_log_backtrace;
		4255	our $_log_backtrace_last;
3840		4256
3841	sub _log_backtrace {	4257	sub _log_backtrace {
3842	my ($msg, @addr) = @_;	4258	my ($msg, @addr) = @_;
3843		4259
3844	$msg =~ s/\n//;	4260	$msg =~ s/\n$//;
3845		4261
		4262	if ($_log_backtrace_last eq $msg) {
		4263	LOG llevInfo, "[ABT] $msg\n";
		4264	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3846	# limit the # of concurrent backtraces	4265	# limit the # of concurrent backtraces
3847	if ($_log_backtrace < 2) {	4266	} elsif ($_log_backtrace < 2) {
		4267	$_log_backtrace_last = $msg;
3848	++$_log_backtrace;	4268	++$_log_backtrace;
3849	my $perl_bt = Carp::longmess $msg;	4269	my $perl_bt = Carp::longmess $msg;
3850	async {	4270	async {
3851	$Coro::current->{desc} = "abt $msg";	4271	$Coro::current->{desc} = "abt $msg";
3852		4272
…		…
3872	LOG llevInfo, "[ABT] $_\n" for @bt;	4292	LOG llevInfo, "[ABT] $_\n" for @bt;
3873	--$_log_backtrace;	4293	--$_log_backtrace;
3874	};	4294	};
3875	} else {	4295	} else {
3876	LOG llevInfo, "[ABT] $msg\n";	4296	LOG llevInfo, "[ABT] $msg\n";
3877	LOG llevInfo, "[ABT] [suppressed]\n";	4297	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3878	}	4298	}
3879	}	4299	}
3880		4300
3881	# load additional modules	4301	# load additional modules
3882	use cf::pod;	4302	require "cf/$_.pm" for @EXTRA_MODULES;
		4303	cf::_connect_to_perl_2;
3883		4304
3884	END { cf::emergency_save }	4305	END { cf::emergency_save }
3885		4306
3886	1	4307	1
3887		4308

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