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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.433 by root, Sat May 10 22:38:52 2008 UTC vs.
Revision 1.623 by root, Wed Aug 30 14:18:51 2017 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 utf8;	25	use common::sense;
25	use strict;
26		26
27	use Symbol;	27	use Symbol;
28	use List::Util;	28	use List::Util;
29	use Socket;	29	use Socket;
30	use EV;	30	use EV;
31	use Opcode;	31	use Opcode;
32	use Safe;	32	use Safe;
33	use Safe::Hole;	33	use Safe::Hole;
34	use Storable ();	34	use Storable ();
		35	use Carp ();
		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
35		40
36	use Coro ();	41	use Coro ();
37	use Coro::State;	42	use Coro::State;
38	use Coro::Handle;	43	use Coro::Handle;
39	use Coro::EV;	44	use Coro::EV;
		45	use Coro::AnyEvent;
40	use Coro::Timer;	46	use Coro::Timer;
41	use Coro::Signal;	47	use Coro::Signal;
42	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
43	use Coro::AnyEvent;	50	use Coro::AnyEvent;
44	use Coro::AIO;	51	use Coro::AIO;
45	use Coro::BDB;	52	use Coro::BDB 1.6;
46	use Coro::Storable;	53	use Coro::Storable;
47	use Coro::Util ();	54	use Coro::Util ();
48		55
		56	use Guard ();
49	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
50	use BDB ();	58	use BDB ();
51	use Data::Dumper;	59	use Data::Dumper;
52	use Digest::MD5;
53	use Fcntl;	60	use Fcntl;
54	use YAML ();	61	use YAML::XS ();
		62	use CBOR::XS ();
55	use IO::AIO ();	63	use IO::AIO ();
56	use Time::HiRes;
57	use Compress::LZF;	64	use Compress::LZF;
58	use Digest::MD5 ();	65	use Digest::MD5 ();
59		66
60	AnyEvent::detect;	67	AnyEvent::detect;
61		68
62	# configure various modules to our taste	69	# configure various modules to our taste
63	#	70	#
64	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
66	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
67		79
68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	80	# strictly for debugging
		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
69		82
70	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;
71		86
72	our %COMMAND = ();	87	our %COMMAND = ();
73	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
74		89
75	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
76	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
77	our %EXTICMD = ();	93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
78	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
79	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
80		97
81	our $RELOAD; # number of reloads so far	98	our $RELOAD; # number of reloads so far, non-zero while in reload
82	our @EVENT;	99	our @EVENT;
		100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
83		102
84	our $CONFDIR = confdir;	103	our $CONFDIR = confdir;
		104
85	our $DATADIR = datadir;	105	our $DATADIR = datadir;
86	our $LIBDIR = "$DATADIR/ext";	106	our $LIBDIR = "$DATADIR/ext";
87	our $PODDIR = "$DATADIR/pod";	107	our $PODDIR = "$DATADIR/pod";
88	our $MAPDIR = "$DATADIR/" . mapdir;	108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
89	our $LOCALDIR = localdir;	110	our $LOCALDIR = localdir;
90	our $TMPDIR = "$LOCALDIR/" . tmpdir;	111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
93	our $RANDOMDIR = "$LOCALDIR/random";	114	our $RANDOMDIR = "$LOCALDIR/random";
94	our $BDBDIR = "$LOCALDIR/db";	115	our $BDBDIR = "$LOCALDIR/db";
95	our %RESOURCE;	116	our $PIDFILE = "$LOCALDIR/pid";
		117	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		118
		119	#our %RESOURCE; # unused
		120
		121	our $OUTPUT_RATE_MIN = 3000;
		122	our $OUTPUT_RATE_MAX = 1000000;
		123
		124	our $MAX_LINKS = 32; # how many chained exits to follow
		125	our $VERBOSE_IO = 1;
96		126
97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
99	our $NEXT_TICK;	129	our $NEXT_TICK;
100	our $USE_FSYNC = 1; # use fsync to write maps - default off	130	our $USE_FSYNC = 1; # use fsync to write maps - default on
101		131
102	our $BDB_DEADLOCK_WATCHER;	132	our $BDB_DEADLOCK_WATCHER;
103	our $BDB_CHECKPOINT_WATCHER;	133	our $BDB_CHECKPOINT_WATCHER;
104	our $BDB_TRICKLE_WATCHER;	134	our $BDB_TRICKLE_WATCHER;
105	our $DB_ENV;	135	our $DB_ENV;
106		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
107	our %CFG;	139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
108		141
109	our $UPTIME; $UPTIME ||= time;	142	our $UPTIME; $UPTIME ||= time;
110	our $RUNTIME;	143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
111	our $NOW;	145	our $NOW;
112		146
113	our (%PLAYER, %PLAYER_LOADING); # all users	147	our (%PLAYER, %PLAYER_LOADING); # all users
114	our (%MAP, %MAP_LOADING ); # all maps	148	our (%MAP, %MAP_LOADING ); # all maps
115	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
…		…
120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	154	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
121	our $LOADAVG; # same thing, but with alpha-smoothing	155	our $LOADAVG; # same thing, but with alpha-smoothing
122	our $JITTER; # average jitter	156	our $JITTER; # average jitter
123	our $TICK_START; # for load detecting purposes	157	our $TICK_START; # for load detecting purposes
124		158
		159	our @POST_INIT;
		160
		161	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		162	our $REALLY_UNLOOP; # never set to true, please :)
		163
		164	our $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
		166
125	binmode STDOUT;	167	binmode STDOUT;
126	binmode STDERR;	168	binmode STDERR;
127		169
128	# read virtual server time, if available	170	# read virtual server time, if available
129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
130	open my $fh, "<", "$LOCALDIR/runtime"	172	open my $fh, "<", $RUNTIMEFILE
131	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
132	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
133	}	175	}
		176
		177	eval "sub TICK() { $TICK } 1" or die;
134		178
135	mkdir $_	179	mkdir $_
136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
137		181
138	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
139		183
140	sub cf::map::normalise;	184	sub cf::map::normalise;
141		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
142	#############################################################################	190	#############################################################################
143		191
		192	%REFLECT = ();
		193	for (@REFLECT) {
		194	my $reflect = JSON::XS::decode_json $_;
		195	$REFLECT{$reflect->{class}} = $reflect;
		196	}
		197
		198	# this is decidedly evil
		199	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		200
		201	#############################################################################
		202
144	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
145		204
146	=over 4	205	=over 4
147		206
148	=item $cf::UPTIME	207	=item $cf::UPTIME
149		208
150	The timestamp of the server start (so not actually an uptime).	209	The timestamp of the server start (so not actually an "uptime").
		210
		211	=item $cf::SERVER_TICK
		212
		213	An unsigned integer that starts at zero when the server is started and is
		214	incremented on every tick.
		215
		216	=item $cf::NOW
		217
		218	The (real) time of the last (current) server tick - updated before and
		219	after tick processing, so this is useful only as a rough "what time is it
		220	now" estimate.
		221
		222	=item $cf::TICK
		223
		224	The interval between each server tick, in seconds.
151		225
152	=item $cf::RUNTIME	226	=item $cf::RUNTIME
153		227
154	The time this server has run, starts at 0 and is increased by $cf::TICK on	228	The time this server has run, starts at 0 and is increased by $cf::TICK on
155	every server tick.	229	every server tick.
156		230
157	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
158	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
159	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
160		234
161	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
162	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
163	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
164	database environment.	238	database environment.
165		239
166	=item $cf::NOW
167
168	The time of the last (current) server tick.
169
170	=item $cf::TICK
171
172	The interval between server ticks, in seconds.
173
174	=item $cf::LOADAVG	240	=item $cf::LOADAVG
175		241
176	The current CPU load on the server (alpha-smoothed), as a value between 0	242	The current CPU load on the server (alpha-smoothed), as a value between 0
177	(none) and 1 (overloaded), indicating how much time is spent on processing	243	(none) and 1 (overloaded), indicating how much time is spent on processing
178	objects per tick. Healthy values are < 0.5.	244	objects per tick. Healthy values are < 0.5.
…		…
186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
187	from wherever your confdir points to.	253	from wherever your confdir points to.
188		254
189	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
190		256
191	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick.
192	returns directly I<after> the tick processing (and consequently, can only wake one process	258	cf::wait_for_tick_begin only returns directly I<after> the tick
		259	processing (and consequently, can only wake one thread per tick), while
193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	260	cf::wait_for_tick wakes up all waiters after tick processing.
		261
		262	Note that cf::wait_for_tick will immediately return when the server is not
		263	ticking, making it suitable for small pauses in threads that need to run
		264	when the server is paused. If that is not applicable (i.e. you I<really>
		265	want to wait, use C<$cf::WAIT_FOR_TICK>).
		266
		267	=item $cf::WAIT_FOR_TICK
		268
		269	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		270	variable contains a L<Coro::Signal> that is broadcats after every server
		271	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		272	next server tick.
		273
		274	=cut
		275
		276	sub wait_for_tick();
		277	sub wait_for_tick_begin();
194		278
195	=item @cf::INVOKE_RESULTS	279	=item @cf::INVOKE_RESULTS
196		280
197	This array contains the results of the last C<invoke ()> call. When	281	This array contains the results of the last C<invoke ()> call. When
198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	282	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
199	that call.	283	that call.
200		284
		285	=item %cf::REFLECT
		286
		287	Contains, for each (C++) class name, a hash reference with information
		288	about object members (methods, scalars, arrays and flags) and other
		289	metadata, which is useful for introspection.
		290
201	=back	291	=back
202		292
203	=cut	293	=cut
204		294
205	BEGIN {	295	sub error(@) { LOG llevError, join "", @_ }
206	*CORE::GLOBAL::warn = sub {	296	sub warn (@) { LOG llevWarn , join "", @_ }
		297	sub info (@) { LOG llevInfo , join "", @_ }
		298	sub debug(@) { LOG llevDebug, join "", @_ }
		299	sub trace(@) { LOG llevTrace, join "", @_ }
		300
		301	$Coro::State::WARNHOOK = sub {
207	my $msg = join "", @_;	302	my $msg = join "", @_;
208		303
209	$msg .= "\n"	304	$msg .= "\n"
210	unless $msg =~ /\n$/;	305	unless $msg =~ /\n$/;
211		306
212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	307	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
213		308
214	LOG llevError, $msg;	309	LOG llevWarn, $msg;
215	};	310	};
216	}
217		311
218	$Coro::State::DIEHOOK = sub {	312	$Coro::State::DIEHOOK = sub {
219	return unless $^S eq 0; # "eq", not "=="	313	return unless $^S eq 0; # "eq", not "=="
220		314
221	if ($Coro::current == $Coro::main) {#d#	315	error Carp::longmess $_[0];
		316
		317	if (in_main) {#d#
222	warn "DIEHOOK called in main context, Coro bug?\n";#d#	318	error "DIEHOOK called in main context, Coro bug?\n";#d#
223	return;#d#	319	return;#d#
224	}#d#	320	}#d#
225		321
226	# kill coroutine otherwise	322	# kill coroutine otherwise
227	warn Carp::longmess $_[0];
228	Coro::terminate	323	Coro::terminate
229	};	324	};
230
231	$SIG{__DIE__} = sub { }; #d#?
232		325
233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	326	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	327	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	328	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	329	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
243	for my $pkg (qw(	336	for my $pkg (qw(
244	cf::global cf::attachable	337	cf::global cf::attachable
245	cf::object cf::object::player	338	cf::object cf::object::player
246	cf::client cf::player	339	cf::client cf::player
247	cf::arch cf::living	340	cf::arch cf::living
		341	cf::map cf::mapspace
248	cf::map cf::party cf::region	342	cf::party cf::region
249	)) {	343	)) {
250	no strict 'refs';
251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	344	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
252	}	345	}
253		346
254	$EV::DIED = sub {	347	$EV::DIED = sub {
255	warn "error in event callback: @_";	348	warn "error in event callback: $@";
256	};	349	};
		350
		351	#############################################################################
		352
		353	sub fork_call(&@);
		354	sub get_slot($;$$);
257		355
258	#############################################################################	356	#############################################################################
259		357
260	=head2 UTILITY FUNCTIONS	358	=head2 UTILITY FUNCTIONS
261		359
…		…
282	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	380	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
283	$d	381	$d
284	} || "[unable to dump $_[0]: '$@']";	382	} || "[unable to dump $_[0]: '$@']";
285	}	383	}
286		384
		385	=item $scalar = cf::load_file $path
		386
		387	Loads the given file from path and returns its contents. Croaks on error
		388	and can block.
		389
		390	=cut
		391
		392	sub load_file($) {
		393	0 <= aio_load $_[0], my $data
		394	or Carp::croak "$_[0]: $!";
		395
		396	$data
		397	}
		398
		399	=item $success = cf::replace_file $path, $data, $sync
		400
		401	Atomically replaces the file at the given $path with new $data, and
		402	optionally $sync the data to disk before replacing the file.
		403
		404	=cut
		405
		406	sub replace_file($$;$) {
		407	my ($path, $data, $sync) = @_;
		408
		409	my $lock = cf::lock_acquire ("replace_file:$path");
		410
		411	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		412	or return;
		413
		414	$data = $data->() if ref $data;
		415
		416	length $data == aio_write $fh, 0, (length $data), $data, 0
		417	or return;
		418
		419	!$sync
		420	or !aio_fsync $fh
		421	or return;
		422
		423	aio_close $fh
		424	and return;
		425
		426	aio_rename "$path~", $path
		427	and return;
		428
		429	if ($sync) {
		430	$path =~ s%/[^/]*$%%;
		431	aio_pathsync $path;
		432	}
		433
		434	1
		435	}
		436
287	=item $ref = cf::decode_json $json	437	=item $ref = cf::decode_json $json
288		438
289	Converts a JSON string into the corresponding perl data structure.	439	Converts a JSON string into the corresponding perl data structure.
290		440
291	=item $json = cf::encode_json $ref	441	=item $json = cf::encode_json $ref
…		…
297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	447	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
298		448
299	sub encode_json($) { $json_coder->encode ($_[0]) }	449	sub encode_json($) { $json_coder->encode ($_[0]) }
300	sub decode_json($) { $json_coder->decode ($_[0]) }	450	sub decode_json($) { $json_coder->decode ($_[0]) }
301		451
		452	=item $ref = cf::decode_storable $scalar
		453
		454	Same as Coro::Storable::thaw, so blocks.
		455
		456	=cut
		457
		458	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		459
		460	=item $ref = cf::decode_yaml $scalar
		461
		462	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		463
		464	=cut
		465
		466	sub decode_yaml($) {
		467	fork_call { YAML::XS::Load $_[0] } @_
		468	}
		469
		470	=item $scalar = cf::decode_cbor $scalar
		471
		472	Same as CBOR::XS::decode_cbor, but takes server ticks into account, so
		473	blocks. For small amounts of data, C<CBOR::XS::decode_cbor> is the better
		474	alternative.
		475
		476	=cut
		477
		478	sub decode_cbor($) {
		479	# we assume 10mb/s minimum decoding speed (on a ~2ghz machine)
		480	cf::get_slot +(length $_[0]) / 10_000_000, 0, "decode_cbor";
		481	CBOR::XS::decode_cbor $_[0]
		482	}
		483
		484	=item $scalar = cf::unlzf $scalar
		485
		486	Same as Compress::LZF::compress, but takes server ticks into account, so
		487	blocks.
		488
		489	=cut
		490
		491	sub unlzf($) {
		492	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		493	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		494	Compress::LZF::decompress $_[0]
		495	}
		496
		497	=item cf::post_init { BLOCK }
		498
		499	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		500	but I<before> the server starts ticking again.
		501
		502	The codeblock will have a single boolean argument to indicate whether this
		503	is a reload or not.
		504
		505	=cut
		506
		507	sub post_init(&) {
		508	push @POST_INIT, shift;
		509	}
		510
		511	sub _post_init {
		512	trace "running post_init jobs";
		513
		514	# run them in parallel...
		515
		516	my @join;
		517
		518	while () {
		519	push @join, map &Coro::async ($_, 0), @POST_INIT;
		520	@POST_INIT = ();
		521
		522	@join or last;
		523
		524	(pop @join)->join;
		525	}
		526	}
		527
302	=item cf::lock_wait $string	528	=item cf::lock_wait $string
303		529
304	Wait until the given lock is available. See cf::lock_acquire.	530	Wait until the given lock is available. See cf::lock_acquire.
305		531
306	=item my $lock = cf::lock_acquire $string	532	=item my $lock = cf::lock_acquire $string
307		533
308	Wait until the given lock is available and then acquires it and returns	534	Wait until the given lock is available and then acquires it and returns
309	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	535	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
310	for example when the coroutine gets canceled), the lock is automatically	536	for example when the coroutine gets canceled), the lock is automatically
311	returned.	537	returned.
312		538
313	Locks are *not* recursive, locking from the same coro twice results in a	539	Locks are *not* recursive, locking from the same coro twice results in a
314	deadlocked coro.	540	deadlocked coro.
…		…
320		546
321	Return true if the lock is currently active, i.e. somebody has locked it.	547	Return true if the lock is currently active, i.e. somebody has locked it.
322		548
323	=cut	549	=cut
324		550
325	our %LOCK;	551	our $LOCKS = new Coro::SemaphoreSet;
326	our %LOCKER;#d#
327		552
328	sub lock_wait($) {	553	sub lock_wait($) {
329	my ($key) = @_;	554	$LOCKS->wait ($_[0]);
330
331	if ($LOCKER{$key} == $Coro::current) {#d#
332	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
333	return;#d#
334	}#d#
335
336	# wait for lock, if any
337	while ($LOCK{$key}) {
338	push @{ $LOCK{$key} }, $Coro::current;
339	Coro::schedule;
340	}
341	}	555	}
342		556
343	sub lock_acquire($) {	557	sub lock_acquire($) {
344	my ($key) = @_;	558	$LOCKS->guard ($_[0])
345
346	# wait, to be sure we are not locked
347	lock_wait $key;
348
349	$LOCK{$key} = [];
350	$LOCKER{$key} = $Coro::current;#d#
351
352	Coro::guard {
353	delete $LOCKER{$key};#d#
354	# wake up all waiters, to be on the safe side
355	$_->ready for @{ delete $LOCK{$key} };
356	}
357	}	559	}
358		560
359	sub lock_active($) {	561	sub lock_active($) {
360	my ($key) = @_;	562	$LOCKS->count ($_[0]) < 1
361
362	! ! $LOCK{$key}
363	}	563	}
364		564
365	sub freeze_mainloop {	565	sub freeze_mainloop {
366	tick_inhibit_inc;	566	tick_inhibit_inc;
367		567
368	Coro::guard \&tick_inhibit_dec;	568	&Guard::guard (\&tick_inhibit_dec);
369	}	569	}
370		570
371	=item cf::periodic $interval, $cb	571	=item cf::periodic $interval, $cb
372		572
373	Like EV::periodic, but randomly selects a starting point so that the actions	573	Like EV::periodic, but randomly selects a starting point so that the actions
374	get spread over timer.	574	get spread over time.
375		575
376	=cut	576	=cut
377		577
378	sub periodic($$) {	578	sub periodic($$) {
379	my ($interval, $cb) = @_;	579	my ($interval, $cb) = @_;
…		…
383	EV::periodic $start, $interval, 0, $cb	583	EV::periodic $start, $interval, 0, $cb
384	}	584	}
385		585
386	=item cf::get_slot $time[, $priority[, $name]]	586	=item cf::get_slot $time[, $priority[, $name]]
387		587
388	Allocate $time seconds of blocking CPU time at priority C<$priority>:	588	Allocate $time seconds of blocking CPU time at priority C<$priority>
389	This call blocks and returns only when you have at least C<$time> seconds	589	(default: 0): This call blocks and returns only when you have at least
390	of cpu time till the next tick. The slot is only valid till the next cede.	590	C<$time> seconds of cpu time till the next tick. The slot is only valid
		591	till the next cede.
		592
		593	Background jobs should use a priority less than zero, interactive jobs
		594	should use 100 or more.
391		595
392	The optional C<$name> can be used to identify the job to run. It might be	596	The optional C<$name> can be used to identify the job to run. It might be
393	used for statistical purposes and should identify the same time-class.	597	used for statistical purposes and should identify the same time-class.
394		598
395	Useful for short background jobs.	599	Useful for short background jobs.
396		600
397	=cut	601	=cut
398		602
399	our @SLOT_QUEUE;	603	our @SLOT_QUEUE;
400	our $SLOT_QUEUE;	604	our $SLOT_QUEUE;
		605	our $SLOT_DECAY = 0.9;
401		606
402	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	607	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
403	$SLOT_QUEUE = Coro::async {	608	$SLOT_QUEUE = Coro::async {
404	$Coro::current->desc ("timeslot manager");	609	$Coro::current->desc ("timeslot manager");
405		610
406	my $signal = new Coro::Signal;	611	my $signal = new Coro::Signal;
		612	my $busy;
407		613
408	while () {	614	while () {
409	next_job:	615	next_job:
		616
		617	Coro::cede;
		618
410	my $avail = cf::till_tick;	619	my $avail = cf::till_tick;
411	if ($avail > 0.01) {	620
412	for (0 .. $#SLOT_QUEUE) {	621	for (0 .. $#SLOT_QUEUE) {
413	if ($SLOT_QUEUE[$_][0] < $avail) {	622	if ($SLOT_QUEUE[$_][0] <= $avail) {
		623	$busy = 0;
414	my $job = splice @SLOT_QUEUE, $_, 1, ();	624	my $job = splice @SLOT_QUEUE, $_, 1, ();
415	$job->[2]->send;	625	$job->[2]->send;
416	Coro::cede;
417	goto next_job;	626	goto next_job;
418	}	627	} else {
		628	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
419	}	629	}
420	}	630	}
421		631
422	if (@SLOT_QUEUE) {	632	if (@SLOT_QUEUE) {
423	# we do not use wait_for_tick() as it returns immediately when tick is inactive	633	wait_for_tick;
424	push @cf::WAIT_FOR_TICK, $signal;
425	$signal->wait;
426	} else {	634	} else {
		635	$busy = 0;
427	Coro::schedule;	636	Coro::schedule;
428	}	637	}
429	}	638	}
430	};	639	};
431		640
432	sub get_slot($;$$) {	641	sub get_slot($;$$) {
433	return if tick_inhibit || $Coro::current == $Coro::main;	642	return if tick_inhibit || $Coro::current == $Coro::main;
434		643
435	my ($time, $pri, $name) = @_;	644	my ($time, $pri, $name) = @_;
436		645
437	$time = $TICK * .6 if $time > $TICK * .6;	646	$time = clamp $time, 0.01, $TICK * .6;
		647
438	my $sig = new Coro::Signal;	648	my $sig = new Coro::Signal;
439		649
440	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	650	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
441	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	651	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
442	$SLOT_QUEUE->ready;	652	$SLOT_QUEUE->ready;
…		…
454	BEGIN { *async = \&Coro::async_pool }	664	BEGIN { *async = \&Coro::async_pool }
455		665
456	=item cf::sync_job { BLOCK }	666	=item cf::sync_job { BLOCK }
457		667
458	The design of Deliantra requires that the main coroutine ($Coro::main)	668	The design of Deliantra requires that the main coroutine ($Coro::main)
459	is always able to handle events or runnable, as Deliantra is only	669	is always able to handle events or is runnable, as Deliantra is only
460	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	670	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
461	acceptable.	671	acceptable.
462		672
463	If it must be done, put the blocking parts into C<sync_job>. This will run	673	If it must be done, put the blocking parts into C<sync_job>. This will run
464	the given BLOCK in another coroutine while waiting for the result. The	674	the given BLOCK in another coroutine while waiting for the result. The
…		…
468	=cut	678	=cut
469		679
470	sub sync_job(&) {	680	sub sync_job(&) {
471	my ($job) = @_;	681	my ($job) = @_;
472		682
473	if ($Coro::current == $Coro::main) {	683	if (in_main) {
474	my $time = EV::time;	684	my $time = AE::time;
475		685
476	# this is the main coro, too bad, we have to block	686	# this is the main coro, too bad, we have to block
477	# till the operation succeeds, freezing the server :/	687	# till the operation succeeds, freezing the server :/
478		688
479	LOG llevError, Carp::longmess "sync job";#d#	689	#LOG llevError, Carp::longmess "sync job";#d#
480		690
481	my $freeze_guard = freeze_mainloop;	691	my $freeze_guard = freeze_mainloop;
482		692
483	my $busy = 1;	693	my $busy = 1;
484	my @res;	694	my @res;
485		695
486	(async {	696	(async {
487	$Coro::current->desc ("sync job coro");	697	$Coro::current->desc ("sync job coro");
488	@res = eval { $job->() };	698	@res = eval { $job->() };
489	warn $@ if $@;	699	error $@ if $@;
490	undef $busy;	700	undef $busy;
491	})->prio (Coro::PRIO_MAX);	701	})->prio (Coro::PRIO_MAX);
492		702
493	while ($busy) {	703	while ($busy) {
494	if (Coro::nready) {	704	if (Coro::nready) {
495	Coro::cede_notself;	705	Coro::cede_notself;
496	} else {	706	} else {
497	EV::loop EV::LOOP_ONESHOT;	707	EV::run EV::RUN_ONCE;
498	}	708	}
499	}	709	}
500		710
501	my $time = EV::time - $time;	711	my $time = AE::time - $time;
502		712
503	$TICK_START += $time; # do not account sync jobs to server load	713	$TICK_START += $time; # do not account sync jobs to server load
504		714
505	wantarray ? @res : $res[0]	715	wantarray ? @res : $res[0]
506	} else {	716	} else {
…		…
528	$EXT_CORO{$coro+0} = $coro;	738	$EXT_CORO{$coro+0} = $coro;
529		739
530	$coro	740	$coro
531	}	741	}
532		742
533	=item fork_call { }, $args	743	=item fork_call { }, @args
534		744
535	Executes the given code block with the given arguments in a seperate	745	Executes the given code block with the given arguments in a seperate
536	process, returning the results. Everything must be serialisable with	746	process, returning the results. Everything must be serialisable with
537	Coro::Storable. May, of course, block. Note that the executed sub may	747	Coro::Storable. May, of course, block. Note that the executed sub may
538	never block itself or use any form of event handling.	748	never block itself or use any form of event handling.
539		749
540	=cut	750	=cut
541		751
		752	sub post_fork {
		753	reset_signals;
		754	}
		755
542	sub fork_call(&@) {	756	sub fork_call(&@) {
543	my ($cb, @args) = @_;	757	my ($cb, @args) = @_;
544		758
545	# we seemingly have to make a local copy of the whole thing,
546	# otherwise perl prematurely frees the stuff :/
547	# TODO: investigate and fix (likely this will be rather laborious)
548
549	my @res = Coro::Util::fork_eval {	759	my @res = Coro::Util::fork_eval {
550	reset_signals;	760	cf::post_fork;
551	&$cb	761	&$cb
552	}, @args;	762	} @args;
553		763
554	wantarray ? @res : $res[-1]	764	wantarray ? @res : $res[-1]
		765	}
		766
		767	sub objinfo {
		768	(
		769	"counter value" => cf::object::object_count,
		770	"objects created" => cf::object::create_count,
		771	"objects destroyed" => cf::object::destroy_count,
		772	"freelist size" => cf::object::free_count,
		773	"allocated objects" => cf::object::objects_size,
		774	"active objects" => cf::object::actives_size,
		775	)
555	}	776	}
556		777
557	=item $coin = coin_from_name $name	778	=item $coin = coin_from_name $name
558		779
559	=cut	780	=cut
…		…
596	within each server.	817	within each server.
597		818
598	=cut	819	=cut
599		820
600	sub db_table($) {	821	sub db_table($) {
		822	cf::error "db_get called from main context"
		823	if $Coro::current == $Coro::main;
		824
601	my ($name) = @_;	825	my ($name) = @_;
602	my $db = BDB::db_create $DB_ENV;	826	my $db = BDB::db_create $DB_ENV;
603		827
604	eval {	828	eval {
605	$db->set_flags (BDB::CHKSUM);	829	$db->set_flags (BDB::CHKSUM);
…		…
615	}	839	}
616		840
617	our $DB;	841	our $DB;
618		842
619	sub db_init {	843	sub db_init {
620	cf::sync_job {
621	$DB ||= db_table "db";	844	$DB ||= db_table "db";
622	};
623	}	845	}
624		846
625	sub db_get($$) {	847	sub db_get($$) {
626	my $key = "$_[0]/$_[1]";	848	my $key = "$_[0]/$_[1]";
627		849
628	cf::sync_job {	850	cf::error "db_get called from main context"
		851	if $Coro::current == $Coro::main;
		852
629	BDB::db_get $DB, undef, $key, my $data;	853	BDB::db_get $DB, undef, $key, my $data;
630		854
631	$! ? ()	855	$! ? ()
632	: $data	856	: $data
633	}
634	}	857	}
635		858
636	sub db_put($$$) {	859	sub db_put($$$) {
637	BDB::dbreq_pri 4;	860	BDB::dbreq_pri 4;
638	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	861	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
666		889
667	my @data;	890	my @data;
668	my $md5;	891	my $md5;
669		892
670	for (0 .. $#$src) {	893	for (0 .. $#$src) {
671	0 <= aio_load $src->[$_], $data[$_]	894	$data[$_] = load_file $src->[$_];
672	or Carp::croak "$src->[$_]: $!";
673	}	895	}
674		896
675	# if processing is expensive, check	897	# if processing is expensive, check
676	# checksum first	898	# checksum first
677	if (1) {	899	if (1) {
…		…
690		912
691	return db_get cache => "$id/data";	913	return db_get cache => "$id/data";
692	}	914	}
693	}	915	}
694		916
695	my $t1 = Time::HiRes::time;	917	my $t1 = EV::time;
696	my $data = $process->(\@data);	918	my $data = $process->(\@data);
697	my $t2 = Time::HiRes::time;	919	my $t2 = EV::time;
698		920
699	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	921	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
700		922
701	db_put cache => "$id/data", $data;	923	db_put cache => "$id/data", $data;
702	db_put cache => "$id/md5" , $md5;	924	db_put cache => "$id/md5" , $md5;
703	db_put cache => "$id/meta", $meta;	925	db_put cache => "$id/meta", $meta;
704		926
…		…
714		936
715	=cut	937	=cut
716		938
717	sub datalog($@) {	939	sub datalog($@) {
718	my ($type, %kv) = @_;	940	my ($type, %kv) = @_;
719	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	941	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
720	}	942	}
721		943
722	=back	944	=back
723		945
724	=cut	946	=cut
725		947
726	#############################################################################	948	#############################################################################
727		949
728	=head2 ATTACHABLE OBJECTS	950	=head2 ATTACHABLE OBJECTS
729		951
730	Many objects in crossfire are so-called attachable objects. That means you can	952	Many objects in deliantra are so-called attachable objects. That means you can
731	attach callbacks/event handlers (a collection of which is called an "attachment")	953	attach callbacks/event handlers (a collection of which is called an "attachment")
732	to it. All such attachable objects support the following methods.	954	to it. All such attachable objects support the following methods.
733		955
734	In the following description, CLASS can be any of C<global>, C<object>	956	In the following description, CLASS can be any of C<global>, C<object>
735	C<player>, C<client> or C<map> (i.e. the attachable objects in	957	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
785	=item cf::CLASS::attachment $name, ...	1007	=item cf::CLASS::attachment $name, ...
786		1008
787	Register an attachment by C<$name> through which attachable objects of the	1009	Register an attachment by C<$name> through which attachable objects of the
788	given CLASS can refer to this attachment.	1010	given CLASS can refer to this attachment.
789		1011
790	Some classes such as crossfire maps and objects can specify attachments	1012	Some classes such as deliantra maps and objects can specify attachments
791	that are attached at load/instantiate time, thus the need for a name.	1013	that are attached at load/instantiate time, thus the need for a name.
792		1014
793	These calls expect any number of the following handler/hook descriptions:	1015	These calls expect any number of the following handler/hook descriptions:
794		1016
795	=over 4	1017	=over 4
…		…
919		1141
920	} elsif (exists $cb_id{$type}) {	1142	} elsif (exists $cb_id{$type}) {
921	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1143	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
922		1144
923	} elsif (ref $type) {	1145	} elsif (ref $type) {
924	warn "attaching objects not supported, ignoring.\n";	1146	error "attaching objects not supported, ignoring.\n";
925		1147
926	} else {	1148	} else {
927	shift @arg;	1149	shift @arg;
928	warn "attach argument '$type' not supported, ignoring.\n";	1150	error "attach argument '$type' not supported, ignoring.\n";
929	}	1151	}
930	}	1152	}
931	}	1153	}
932		1154
933	sub _object_attach {	1155	sub _object_attach {
…		…
943	_attach $registry, $klass, @attach;	1165	_attach $registry, $klass, @attach;
944	}	1166	}
945		1167
946	$obj->{$name} = \%arg;	1168	$obj->{$name} = \%arg;
947	} else {	1169	} else {
948	warn "object uses attachment '$name' which is not available, postponing.\n";	1170	info "object uses attachment '$name' which is not available, postponing.\n";
949	}	1171	}
950		1172
951	$obj->{_attachment}{$name} = undef;	1173	$obj->{_attachment}{$name} = undef;
952	}	1174	}
953		1175
…		…
1012		1234
1013	for (@$callbacks) {	1235	for (@$callbacks) {
1014	eval { &{$_->[1]} };	1236	eval { &{$_->[1]} };
1015		1237
1016	if ($@) {	1238	if ($@) {
1017	warn "$@";
1018	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1239	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1019	override;	1240	override;
1020	}	1241	}
1021		1242
1022	return 1 if $override;	1243	return 1 if $override;
1023	}	1244	}
…		…
1086		1307
1087	sub reattach {	1308	sub reattach {
1088	# basically do the same as instantiate, without calling instantiate	1309	# basically do the same as instantiate, without calling instantiate
1089	my ($obj) = @_;	1310	my ($obj) = @_;
1090		1311
		1312	# no longer needed after getting rid of delete_package?
1091	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1313	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1092		1314
1093	my $registry = $obj->registry;	1315	my $registry = $obj->registry;
1094		1316
1095	@$registry = ();	1317	@$registry = ();
1096		1318
…		…
1101	for (@$attach) {	1323	for (@$attach) {
1102	my ($klass, @attach) = @$_;	1324	my ($klass, @attach) = @$_;
1103	_attach $registry, $klass, @attach;	1325	_attach $registry, $klass, @attach;
1104	}	1326	}
1105	} else {	1327	} else {
1106	warn "object uses attachment '$name' that is not available, postponing.\n";	1328	info "object uses attachment '$name' that is not available, postponing.\n";
1107	}	1329	}
1108	}	1330	}
1109	}	1331	}
1110		1332
1111	cf::attachable->attach (	1333	cf::attachable->attach (
…		…
1138	my ($filename, $rdata, $objs) = @_;	1360	my ($filename, $rdata, $objs) = @_;
1139		1361
1140	sync_job {	1362	sync_job {
1141	if (length $$rdata) {	1363	if (length $$rdata) {
1142	utf8::decode (my $decname = $filename);	1364	utf8::decode (my $decname = $filename);
1143	warn sprintf "saving %s (%d,%d)\n",	1365	trace sprintf "saving %s (%d,%d)\n",
1144	$decname, length $$rdata, scalar @$objs;	1366	$decname, length $$rdata, scalar @$objs
		1367	if $VERBOSE_IO;
1145		1368
1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1369	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1147	aio_chmod $fh, SAVE_MODE;	1370	aio_chmod $fh, SAVE_MODE;
1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1371	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1149	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	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;
		1374	aio_fsync $fh;
		1375	}
1150	aio_close $fh;	1376	aio_close $fh;
1151		1377
1152	if (@$objs) {	1378	if (@$objs) {
1153	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1379	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1154	aio_chmod $fh, SAVE_MODE;	1380	aio_chmod $fh, SAVE_MODE;
1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1381	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1156	aio_write $fh, 0, (length $data), $data, 0;	1382	aio_write $fh, 0, (length $data), $data, 0;
1157	aio_fsync $fh if $cf::USE_FSYNC;	1383	if ($cf::USE_FSYNC) {
		1384	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;
		1385	aio_fsync $fh;
		1386	}
1158	aio_close $fh;	1387	aio_close $fh;
1159	aio_rename "$filename.pst~", "$filename.pst";	1388	aio_rename "$filename.pst~", "$filename.pst";
1160	}	1389	}
1161	} else {	1390	} else {
1162	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
1163	}	1392	}
1164		1393
1165	aio_rename "$filename~", $filename;	1394	aio_rename "$filename~", $filename;
		1395
		1396	$filename =~ s%/[^/]+$%%;
		1397	aio_pathsync $filename if $cf::USE_FSYNC;
1166	} else {	1398	} else {
1167	warn "FATAL: $filename~: $!\n";	1399	error "unable to save objects: $filename~: $!\n";
1168	}	1400	}
1169	} else {	1401	} else {
1170	aio_unlink $filename;	1402	aio_unlink $filename;
1171	aio_unlink "$filename.pst";	1403	aio_unlink "$filename.pst";
1172	}	1404	}
…		…
1196	my $st = eval { Coro::Storable::thaw $av };	1428	my $st = eval { Coro::Storable::thaw $av };
1197	$av = $st->{objs};	1429	$av = $st->{objs};
1198	}	1430	}
1199		1431
1200	utf8::decode (my $decname = $filename);	1432	utf8::decode (my $decname = $filename);
1201	warn sprintf "loading %s (%d,%d)\n",	1433	trace sprintf "loading %s (%d,%d)\n",
1202	$decname, length $data, scalar @{$av || []};	1434	$decname, length $data, scalar @{$av || []}
		1435	if $VERBOSE_IO;
1203		1436
1204	($data, $av)	1437	($data, $av)
1205	}	1438	}
1206		1439
1207	=head2 COMMAND CALLBACKS	1440	=head2 COMMAND CALLBACKS
…		…
1211	=cut	1444	=cut
1212		1445
1213	#############################################################################	1446	#############################################################################
1214	# command handling &c	1447	# command handling &c
1215		1448
1216	=item cf::register_command $name => \&callback($ob,$args);	1449	=item cf::register_command $name => \&callback($ob,$args)
1217		1450
1218	Register a callback for execution when the client sends the user command	1451	Register a callback for execution when the client sends the user command
1219	$name.	1452	$name.
1220		1453
1221	=cut	1454	=cut
…		…
1227	#warn "registering command '$name/$time' to '$caller'";	1460	#warn "registering command '$name/$time' to '$caller'";
1228		1461
1229	push @{ $COMMAND{$name} }, [$caller, $cb];	1462	push @{ $COMMAND{$name} }, [$caller, $cb];
1230	}	1463	}
1231		1464
1232	=item cf::register_extcmd $name => \&callback($pl,$packet);	1465	=item cf::register_extcmd $name => \&callback($pl,@args)
1233		1466
1234	Register a callback for execution when the client sends an (synchronous)	1467	Register a callback for execution when the client sends an (synchronous)
1235	extcmd packet. Ext commands will be processed in the order they are	1468	extcmd packet. Ext commands will be processed in the order they are
1236	received by the server, like other user commands. The first argument is	1469	received by the server, like other user commands. The first argument is
1237	the logged-in player. Ext commands can only be processed after a player	1470	the logged-in player. Ext commands can only be processed after a player
1238	has logged in successfully.	1471	has logged in successfully.
1239		1472
1240	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1241	called.
1242		1474
		1475	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
1243	=item cf::register_exticmd $name => \&callback($ns,$packet);	1480	=item cf::register_exticmd $name => \&callback($ns,@args)
1244		1481
1245	Register a callback for execution when the client sends an (asynchronous)	1482	Register a callback for execution when the client sends an (asynchronous)
1246	exticmd packet. Exti commands are processed by the server as soon as they	1483	exticmd packet. Exti commands are processed by the server as soon as they
1247	are received, i.e. out of order w.r.t. other commands. The first argument	1484	are received, i.e. out of order w.r.t. other commands. The first argument
1248	is a client socket. Exti commands can be received anytime, even before	1485	is a client socket. Exti commands can be received anytime, even before
1249	log-in.	1486	log-in.
1250		1487
1251	If the callback returns something, it is sent back as if reply was being	1488	The values will be sent back to the client.
1252	called.
1253		1489
1254	=cut	1490	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1255		1491
		1492	Same as C<cf::register_extcmd>, but instead of returning values, the
		1493	callback needs to clal the C<$reply> function.
		1494
		1495	=cut
		1496
1256	sub register_extcmd {	1497	sub register_extcmd($$) {
1257	my ($name, $cb) = @_;	1498	my ($name, $cb) = @_;
1258		1499
1259	$EXTCMD{$name} = $cb;	1500	$EXTCMD{$name} = $cb;
1260	}	1501	}
1261		1502
1262	sub register_exticmd {	1503	sub register_async_extcmd($$) {
1263	my ($name, $cb) = @_;	1504	my ($name, $cb) = @_;
1264		1505
		1506	$EXTACMD{$name} = $cb;
		1507	}
		1508
		1509	sub register_exticmd($$) {
		1510	my ($name, $cb) = @_;
		1511
1265	$EXTICMD{$name} = $cb;	1512	$EXTICMD{$name} = $cb;
1266	}	1513	}
1267		1514
		1515	sub register_async_exticmd($$) {
		1516	my ($name, $cb) = @_;
		1517
		1518	$EXTIACMD{$name} = $cb;
		1519	}
		1520
		1521	use File::Glob ();
		1522
1268	cf::player->attach (	1523	cf::player->attach (
1269	on_command => sub {	1524	on_unknown_command => sub {
1270	my ($pl, $name, $params) = @_;	1525	my ($pl, $name, $params) = @_;
1271		1526
1272	my $cb = $COMMAND{$name}	1527	my $cb = $COMMAND{$name}
1273	or return;	1528	or return;
1274		1529
…		…
1282	my ($pl, $buf) = @_;	1537	my ($pl, $buf) = @_;
1283		1538
1284	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1539	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1285		1540
1286	if (ref $msg) {	1541	if (ref $msg) {
1287	my ($type, $reply, @payload) =	1542	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1288	"ARRAY" eq ref $msg
1289	? @$msg
1290	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1291		1543
1292	my @reply;
1293
1294	if (my $cb = $EXTCMD{$type}) {	1544	if (my $cb = $EXTACMD{$type}) {
		1545	$cb->(
		1546	$pl,
		1547	sub {
		1548	$pl->ext_msg ("reply-$reply", @_)
		1549	if $reply;
		1550	},
		1551	@payload
		1552	);
		1553	} else {
		1554	my @reply;
		1555
		1556	if (my $cb = $EXTCMD{$type}) {
1295	@reply = $cb->($pl, @payload);	1557	@reply = $cb->($pl, @payload);
		1558	}
		1559
		1560	$pl->ext_msg ("reply-$reply", @reply)
		1561	if $reply;
1296	}	1562	}
1297		1563
1298	$pl->ext_reply ($reply, @reply)
1299	if $reply;
1300
1301	} else {	1564	} else {
1302	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1565	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1303	}	1566	}
1304		1567
1305	cf::override;	1568	cf::override;
1306	},	1569	},
1307	);	1570	);
1308		1571
		1572	# "readahead" all extensions
		1573	sub cache_extensions {
		1574	my $grp = IO::AIO::aio_group;
		1575
		1576	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1577	for (grep /\.ext$/, @{$_[0]}) {
		1578	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1579	}
		1580	};
		1581
		1582	$grp
		1583	}
		1584
		1585	sub _ext_cfg_reg($$$$) {
		1586	my ($rvar, $varname, $cfgname, $default) = @_;
		1587
		1588	$cfgname = lc $varname
		1589	unless length $cfgname;
		1590
		1591	$EXT_CFG{$cfgname} = [$rvar, $default];
		1592
		1593	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1594	}
		1595
1309	sub load_extensions {	1596	sub load_extensions {
		1597	info "loading extensions...";
		1598
		1599	%EXT_CFG = ();
		1600
1310	cf::sync_job {	1601	cf::sync_job {
1311	my %todo;	1602	my %todo;
1312		1603
1313	for my $path (<$LIBDIR/*.ext>) {	1604	for my $path (<$LIBDIR/*.ext>) {
1314	next unless -r $path;	1605	next unless -r $path;
…		…
1332		1623
1333	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1624	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1334	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1625	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1335		1626
1336	$ext{source} =	1627	$ext{source} =
1337	"package $pkg; use strict; use utf8;\n"	1628	"package $pkg; use common::sense;\n"
1338	. "#line 1 \"$path\"\n{\n"	1629	. "#line 1 \"$path\"\n{\n"
1339	. $source	1630	. $source
1340	. "\n};\n1";	1631	. "\n};\n1";
1341		1632
1342	$todo{$base} = \%ext;	1633	$todo{$base} = \%ext;
1343	}	1634	}
1344		1635
		1636	my $pass = 0;
1345	my %done;	1637	my %done;
1346	while (%todo) {	1638	while (%todo) {
1347	my $progress;	1639	my $progress;
1348		1640
		1641	++$pass;
		1642
		1643	ext:
1349	while (my ($k, $v) = each %todo) {	1644	while (my ($k, $v) = each %todo) {
1350	for (split /,\s*/, $v->{meta}{depends}) {	1645	for (split /,\s*/, $v->{meta}{depends}) {
1351	goto skip	1646	next ext
1352	unless exists $done{$_};	1647	unless exists $done{$_};
1353	}	1648	}
1354		1649
1355	warn "... loading '$k' into '$v->{pkg}'\n";	1650	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1356		1651
1357	unless (eval $v->{source}) {	1652	my $source = $v->{source};
		1653
		1654	# support "CONF varname :confname = default" pseudo-statements
		1655	$source =~ s{
		1656	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1657	}{
		1658	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1659	}gmxe;
		1660
		1661	my $active = eval $source;
		1662
		1663	if (length $@) {
1358	my $msg = $@ ? "$v->{path}: $@\n"	1664	error "$v->{path}: $@\n";
1359	: "$v->{base}: extension inactive.\n";
1360		1665
1361	if (exists $v->{meta}{mandatory}) {
1362	warn $msg;
1363	cf::cleanup "mandatory extension failed to load, exiting.";	1666	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1364	}	1667	if exists $v->{meta}{mandatory};
1365		1668
1366	warn $msg;	1669	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1670	delete $todo{$k};
		1671	} else {
		1672	$done{$k} = delete $todo{$k};
		1673	push @EXTS, $v->{pkg};
		1674	$progress = 1;
		1675
		1676	info "$v->{base}: extension inactive.\n"
		1677	unless $active;
1367	}	1678	}
1368
1369	$done{$k} = delete $todo{$k};
1370	push @EXTS, $v->{pkg};
1371	$progress = 1;
1372	}	1679	}
1373		1680
1374	skip:	1681	unless ($progress) {
1375	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1682	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1376	unless $progress;	1683
		1684	while (my ($k, $v) = each %todo) {
		1685	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1686	if exists $v->{meta}{mandatory};
		1687	}
		1688
		1689	last;
		1690	}
1377	}	1691	}
1378	};	1692	};
1379	}	1693	}
1380		1694
1381	#############################################################################	1695	#############################################################################
1382		1696
1383	=back	1697	=back
1384		1698
1385	=head2 CORE EXTENSIONS	1699	=head2 CORE EXTENSIONS
1386		1700
1387	Functions and methods that extend core crossfire objects.	1701	Functions and methods that extend core deliantra objects.
1388		1702
1389	=cut	1703	=cut
1390		1704
1391	package cf::player;	1705	package cf::player;
1392		1706
…		…
1435		1749
1436	sub exists($) {	1750	sub exists($) {
1437	my ($login) = @_;	1751	my ($login) = @_;
1438		1752
1439	$cf::PLAYER{$login}	1753	$cf::PLAYER{$login}
1440	or cf::sync_job { !aio_stat path $login }	1754	or !aio_stat path $login
1441	}	1755	}
1442		1756
1443	sub find($) {	1757	sub find($) {
1444	return $cf::PLAYER{$_[0]} || do {	1758	return $cf::PLAYER{$_[0]} || do {
1445	my $login = $_[0];	1759	my $login = $_[0];
…		…
1465	$cf::PLAYER{$login} = $pl	1779	$cf::PLAYER{$login} = $pl
1466	}	1780	}
1467	}	1781	}
1468	}	1782	}
1469		1783
		1784	cf::player->attach (
		1785	on_load => sub {
		1786	my ($pl, $path) = @_;
		1787
		1788	# restore slots saved in save, below
		1789	my $slots = delete $pl->{_slots};
		1790
		1791	$pl->ob->current_weapon ($slots->[0]);
		1792	$pl->combat_ob ($slots->[1]);
		1793	$pl->ranged_ob ($slots->[2]);
		1794	},
		1795	);
		1796
1470	sub save($) {	1797	sub save($) {
1471	my ($pl) = @_;	1798	my ($pl) = @_;
1472		1799
1473	return if $pl->{deny_save};	1800	return if $pl->{deny_save};
1474		1801
…		…
1479		1806
1480	aio_mkdir playerdir $pl, 0770;	1807	aio_mkdir playerdir $pl, 0770;
1481	$pl->{last_save} = $cf::RUNTIME;	1808	$pl->{last_save} = $cf::RUNTIME;
1482		1809
1483	cf::get_slot 0.01;	1810	cf::get_slot 0.01;
		1811
		1812	# save slots, to be restored later
		1813	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1484		1814
1485	$pl->save_pl ($path);	1815	$pl->save_pl ($path);
1486	cf::cede_to_tick;	1816	cf::cede_to_tick;
1487	}	1817	}
1488		1818
…		…
1520	my ($pl) = @_;	1850	my ($pl) = @_;
1521		1851
1522	my $name = $pl->ob->name;	1852	my $name = $pl->ob->name;
1523		1853
1524	$pl->{deny_save} = 1;	1854	$pl->{deny_save} = 1;
1525	$pl->password ("*"); # this should lock out the player until we nuked the dir	1855	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1526		1856
1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1857	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1528	$pl->deactivate;	1858	$pl->deactivate;
		1859
1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1860	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1530	$pl->ob->check_score;
1531	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1861	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1862	ext::highscore::check ($pl->ob);
		1863
1532	$pl->ns->destroy if $pl->ns;	1864	$pl->ns->destroy if $pl->ns;
1533		1865
1534	my $path = playerdir $pl;	1866	my $path = playerdir $pl;
1535	my $temp = "$path~$cf::RUNTIME~deleting~";	1867	my $temp = "$path~$cf::RUNTIME~deleting~";
1536	aio_rename $path, $temp;	1868	aio_rename $path, $temp;
…		…
1590	\@logins	1922	\@logins
1591	}	1923	}
1592		1924
1593	=item $player->maps	1925	=item $player->maps
1594		1926
		1927	=item cf::player::maps $login
		1928
1595	Returns an arrayref of map paths that are private for this	1929	Returns an arrayref of map paths that are private for this
1596	player. May block.	1930	player. May block.
1597		1931
1598	=cut	1932	=cut
1599		1933
…		…
1616	}	1950	}
1617		1951
1618	\@paths	1952	\@paths
1619	}	1953	}
1620		1954
1621	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1955	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1622		1956
1623	Expand crossfire pod fragments into protocol xml.	1957	Expand deliantra pod fragments into protocol xml.
1624
1625	=cut
1626
1627	use re 'eval';
1628
1629	my $group;
1630	my $interior; $interior = qr{
1631	# match a pod interior sequence sans C<< >>
1632	(?:
1633	\ (.*?)\ (?{ $group = $^N })
1634	| < (??{$interior}) >
1635	)
1636	}x;
1637
1638	sub expand_cfpod {
1639	my ($self, $pod) = @_;
1640
1641	my $xml;
1642
1643	while () {
1644	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1645	$group = $1;
1646
1647	$group =~ s/&/&amp;/g;
1648	$group =~ s/</&lt;/g;
1649
1650	$xml .= $group;
1651	} elsif ($pod =~ m%\G
1652	([BCGHITU])
1653	<
1654	(?:
1655	([^<>]*) (?{ $group = $^N })
1656	| < $interior >
1657	)
1658	>
1659	%gcsx
1660	) {
1661	my ($code, $data) = ($1, $group);
1662
1663	if ($code eq "B") {
1664	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1665	} elsif ($code eq "I") {
1666	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1667	} elsif ($code eq "U") {
1668	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1669	} elsif ($code eq "C") {
1670	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1671	} elsif ($code eq "T") {
1672	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1673	} elsif ($code eq "G") {
1674	my ($male, $female) = split /\|/, $data;
1675	$data = $self->gender ? $female : $male;
1676	$xml .= expand_cfpod ($self, $data);
1677	} elsif ($code eq "H") {
1678	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1679	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1680	"")
1681	[$self->{hintmode}];
1682	} else {
1683	$xml .= "error processing '$code($data)' directive";
1684	}
1685	} else {
1686	if ($pod =~ /\G(.+)/) {
1687	warn "parse error while expanding $pod (at $1)";
1688	}
1689	last;
1690	}
1691	}
1692
1693	for ($xml) {
1694	# create single paragraphs (very hackish)
1695	s/(?<=\S)\n(?=\w)/ /g;
1696
1697	# compress some whitespace
1698	s/\s+\n/\n/g; # ws line-ends
1699	s/\n\n+/\n/g; # double lines
1700	s/^\n+//; # beginning lines
1701	s/\n+$//; # ending lines
1702	}
1703
1704	$xml
1705	}
1706
1707	no re 'eval';
1708
1709	sub hintmode {
1710	$_[0]{hintmode} = $_[1] if @_ > 1;
1711	$_[0]{hintmode}
1712	}
1713
1714	=item $player->ext_reply ($msgid, @msg)
1715
1716	Sends an ext reply to the player.
1717
1718	=cut
1719
1720	sub ext_reply($$@) {
1721	my ($self, $id, @msg) = @_;
1722
1723	$self->ns->ext_reply ($id, @msg)
1724	}
1725		1958
1726	=item $player->ext_msg ($type, @msg)	1959	=item $player->ext_msg ($type, @msg)
1727		1960
1728	Sends an ext event to the client.	1961	Sends an ext event to the client.
1729		1962
…		…
1749		1982
1750	=cut	1983	=cut
1751		1984
1752	sub find_by_path($) {	1985	sub find_by_path($) {
1753	my ($path) = @_;	1986	my ($path) = @_;
		1987
		1988	$path =~ s/^~[^\/]*//; # skip ~login
1754		1989
1755	my ($match, $specificity);	1990	my ($match, $specificity);
1756		1991
1757	for my $region (list) {	1992	for my $region (list) {
1758	if ($region->{match} && $path =~ $region->{match}) {	1993	if ($region->{match} && $path =~ $region->{match}) {
…		…
1787	sub generate_random_map {	2022	sub generate_random_map {
1788	my ($self, $rmp) = @_;	2023	my ($self, $rmp) = @_;
1789		2024
1790	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	2025	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1791		2026
1792	# mit "rum" bekleckern, nicht
1793	$self->_create_random_map (	2027	$self->_create_random_map ($rmp);
1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1796	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1797	$rmp->{exit_on_final_map},
1798	$rmp->{xsize}, $rmp->{ysize},
1799	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1800	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1801	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1802	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1803	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1804	(cf::region::find $rmp->{region}), $rmp->{custom}
1805	)
1806	}	2028	}
1807		2029
1808	=item cf::map->register ($regex, $prio)	2030	=item cf::map->register ($regex, $prio)
1809		2031
1810	Register a handler for the map path matching the given regex at the	2032	Register a handler for the map path matching the given regex at the
…		…
1815		2037
1816	sub register {	2038	sub register {
1817	my (undef, $regex, $prio) = @_;	2039	my (undef, $regex, $prio) = @_;
1818	my $pkg = caller;	2040	my $pkg = caller;
1819		2041
1820	no strict;
1821	push @{"$pkg\::ISA"}, __PACKAGE__;	2042	push @{"$pkg\::ISA"}, __PACKAGE__;
1822		2043
1823	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2044	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1824	}	2045	}
1825		2046
1826	# also paths starting with '/'	2047	# also paths starting with '/'
1827	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2048	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1828		2049
1829	sub thawer_merge {	2050	sub thawer_merge {
1830	my ($self, $merge) = @_;	2051	my ($self, $merge) = @_;
1831		2052
1832	# we have to keep some variables in memory intact	2053	# we have to keep some variables in memory intact
…		…
1837	}	2058	}
1838		2059
1839	sub normalise {	2060	sub normalise {
1840	my ($path, $base) = @_;	2061	my ($path, $base) = @_;
1841		2062
1842	$path = "$path"; # make sure its a string	2063	$path = "$path"; # make sure it's a string
1843		2064
1844	$path =~ s/\.map$//;	2065	$path =~ s/\.map$//;
1845		2066
1846	# map plan:	2067	# map plan:
1847	#	2068	#
…		…
1862	$base =~ s{[^/]+/?$}{};	2083	$base =~ s{[^/]+/?$}{};
1863	$path = "$base/$path";	2084	$path = "$base/$path";
1864	}	2085	}
1865		2086
1866	for ($path) {	2087	for ($path) {
1867	redo if s{//}{/};
1868	redo if s{/\.?/}{/};	2088	redo if s{/\.?/}{/};
1869	redo if s{/[^/]+/\.\./}{/};	2089	redo if s{/[^/]+/\.\./}{/};
1870	}	2090	}
1871		2091
1872	$path	2092	$path
…		…
1886	$self->init; # pass $1 etc.	2106	$self->init; # pass $1 etc.
1887	return $self;	2107	return $self;
1888	}	2108	}
1889	}	2109	}
1890		2110
1891	Carp::cluck "unable to resolve path '$path' (base '$base').";	2111	Carp::cluck "unable to resolve path '$path' (base '$base')";
1892	()	2112	()
1893	}	2113	}
1894		2114
		2115	# may re-bless or do other evil things
1895	sub init {	2116	sub init {
1896	my ($self) = @_;	2117	my ($self) = @_;
1897		2118
1898	$self	2119	$self
1899	}	2120	}
…		…
1930		2151
1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2152	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1932	"$UNIQUEDIR/$path"	2153	"$UNIQUEDIR/$path"
1933	}	2154	}
1934		2155
1935	# and all this just because we cannot iterate over
1936	# all maps in C++...
1937	sub change_all_map_light {
1938	my ($change) = @_;
1939
1940	$_->change_map_light ($change)
1941	for grep $_->outdoor, values %cf::MAP;
1942	}
1943
1944	sub decay_objects {	2156	sub decay_objects {
1945	my ($self) = @_;	2157	my ($self) = @_;
1946		2158
1947	return if $self->{deny_reset};	2159	return if $self->{deny_reset};
1948		2160
…		…
1973	$self->{load_path} = $path;	2185	$self->{load_path} = $path;
1974		2186
1975	1	2187	1
1976	}	2188	}
1977		2189
		2190	# used to laod the header of an original map
1978	sub load_header_orig {	2191	sub load_header_orig {
1979	my ($self) = @_;	2192	my ($self) = @_;
1980		2193
1981	$self->load_header_from ($self->load_path)	2194	$self->load_header_from ($self->load_path)
1982	}	2195	}
1983		2196
		2197	# used to laod the header of an instantiated map
1984	sub load_header_temp {	2198	sub load_header_temp {
1985	my ($self) = @_;	2199	my ($self) = @_;
1986		2200
1987	$self->load_header_from ($self->save_path)	2201	$self->load_header_from ($self->save_path)
1988	}	2202	}
1989		2203
		2204	# called after loading the header from an instantiated map
1990	sub prepare_temp {	2205	sub prepare_temp {
1991	my ($self) = @_;	2206	my ($self) = @_;
1992		2207
1993	$self->last_access ((delete $self->{last_access})	2208	$self->last_access ((delete $self->{last_access})
1994	|| $cf::RUNTIME); #d#	2209	|| $cf::RUNTIME); #d#
1995	# safety	2210	# safety
1996	$self->{instantiate_time} = $cf::RUNTIME	2211	$self->{instantiate_time} = $cf::RUNTIME
1997	if $self->{instantiate_time} > $cf::RUNTIME;	2212	if $self->{instantiate_time} > $cf::RUNTIME;
1998	}	2213	}
1999		2214
		2215	# called after loading the header from an original map
2000	sub prepare_orig {	2216	sub prepare_orig {
2001	my ($self) = @_;	2217	my ($self) = @_;
2002		2218
2003	$self->{load_original} = 1;	2219	$self->{load_original} = 1;
2004	$self->{instantiate_time} = $cf::RUNTIME;	2220	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2028		2244
2029	sub find;	2245	sub find;
2030	sub find {	2246	sub find {
2031	my ($path, $origin) = @_;	2247	my ($path, $origin) = @_;
2032		2248
		2249	cf::cede_to_tick;
		2250
2033	$path = normalise $path, $origin && $origin->path;	2251	$path = normalise $path, $origin;
2034		2252
2035	cf::lock_wait "map_data:$path";#d#remove	2253	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2036	cf::lock_wait "map_find:$path";	2254	my $guard2 = cf::lock_acquire "map_find:$path";
2037		2255
2038	$cf::MAP{$path} || do {	2256	$cf::MAP{$path} || do {
2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2040	my $guard2 = cf::lock_acquire "map_find:$path";
2041
2042	my $map = new_from_path cf::map $path	2257	my $map = new_from_path cf::map $path
2043	or return;	2258	or return;
2044		2259
2045	$map->{last_save} = $cf::RUNTIME;	2260	$map->{last_save} = $cf::RUNTIME;
2046		2261
…		…
2058		2273
2059	$cf::MAP{$path} = $map	2274	$cf::MAP{$path} = $map
2060	}	2275	}
2061	}	2276	}
2062		2277
2063	sub pre_load { }	2278	sub pre_load { }
2064	sub post_load { }	2279	#sub post_load { } # XS
2065		2280
2066	sub load {	2281	sub load {
2067	my ($self) = @_;	2282	my ($self) = @_;
2068		2283
2069	local $self->{deny_reset} = 1; # loading can take a long time	2284	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2072		2287
2073	{	2288	{
2074	my $guard = cf::lock_acquire "map_data:$path";	2289	my $guard = cf::lock_acquire "map_data:$path";
2075		2290
2076	return unless $self->valid;	2291	return unless $self->valid;
2077	return unless $self->in_memory == cf::MAP_SWAPPED;	2292	return unless $self->state == cf::MAP_SWAPPED;
2078
2079	$self->in_memory (cf::MAP_LOADING);
2080		2293
2081	$self->alloc;	2294	$self->alloc;
2082		2295
2083	$self->pre_load;	2296	$self->pre_load;
2084	cf::cede_to_tick;	2297	cf::cede_to_tick;
2085		2298
		2299	if (exists $self->{load_path}) {
2086	my $f = new_from_file cf::object::thawer $self->{load_path};	2300	my $f = new_from_file cf::object::thawer $self->{load_path};
2087	$f->skip_block;	2301	$f->skip_block;
2088	$self->_load_objects ($f)	2302	$self->_load_objects ($f)
2089	or return;	2303	or return;
2090		2304
2091	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2305	$self->post_load_original
2092	if delete $self->{load_original};	2306	if delete $self->{load_original};
2093		2307
2094	if (my $uniq = $self->uniq_path) {	2308	if (my $uniq = $self->uniq_path) {
2095	utf8::encode $uniq;	2309	utf8::encode $uniq;
2096	unless (aio_stat $uniq) {	2310	unless (aio_stat $uniq) {
2097	if (my $f = new_from_file cf::object::thawer $uniq) {	2311	if (my $f = new_from_file cf::object::thawer $uniq) {
2098	$self->clear_unique_items;	2312	$self->clear_unique_items;
2099	$self->_load_objects ($f);	2313	$self->_load_objects ($f);
2100	$f->resolve_delayed_derefs;	2314	$f->resolve_delayed_derefs;
		2315	}
2101	}	2316	}
2102	}	2317	}
2103	}
2104		2318
2105	$f->resolve_delayed_derefs;	2319	$f->resolve_delayed_derefs;
		2320	} else {
		2321	$self->post_load_original
		2322	if delete $self->{load_original};
		2323	}
		2324
		2325	$self->state (cf::MAP_INACTIVE);
2106		2326
2107	cf::cede_to_tick;	2327	cf::cede_to_tick;
2108	# now do the right thing for maps	2328	# now do the right thing for maps
2109	$self->link_multipart_objects;	2329	$self->link_multipart_objects;
2110	$self->difficulty ($self->estimate_difficulty)	2330	$self->difficulty ($self->estimate_difficulty)
…		…
2114	unless ($self->{deny_activate}) {	2334	unless ($self->{deny_activate}) {
2115	$self->decay_objects;	2335	$self->decay_objects;
2116	$self->fix_auto_apply;	2336	$self->fix_auto_apply;
2117	$self->update_buttons;	2337	$self->update_buttons;
2118	cf::cede_to_tick;	2338	cf::cede_to_tick;
2119	$self->set_darkness_map;	2339	#$self->activate; # no longer activate maps automatically
2120	cf::cede_to_tick;
2121	$self->activate;
2122	}	2340	}
2123		2341
2124	$self->{last_save} = $cf::RUNTIME;	2342	$self->{last_save} = $cf::RUNTIME;
2125	$self->last_access ($cf::RUNTIME);	2343	$self->last_access ($cf::RUNTIME);
2126
2127	$self->in_memory (cf::MAP_ACTIVE);
2128	}	2344	}
2129		2345
2130	$self->post_load;	2346	$self->post_load;
2131	}
2132		2347
		2348	1
		2349	}
		2350
		2351	# customize the map for a given player, i.e.
		2352	# return the _real_ map. used by e.g. per-player
		2353	# maps to change the path to ~playername/mappath
2133	sub customise_for {	2354	sub customise_for {
2134	my ($self, $ob) = @_;	2355	my ($self, $ob) = @_;
2135		2356
2136	return find "~" . $ob->name . "/" . $self->{path}	2357	return find "~" . $ob->name . "/" . $self->{path}
2137	if $self->per_player;	2358	if $self->per_player;
…		…
2140	# if $self->per_party;	2361	# if $self->per_party;
2141		2362
2142	$self	2363	$self
2143	}	2364	}
2144		2365
2145	# find and load all maps in the 3x3 area around a map
2146	sub load_neighbours {
2147	my ($map) = @_;
2148
2149	my @neigh; # diagonal neighbours
2150
2151	for (0 .. 3) {
2152	my $neigh = $map->tile_path ($_)
2153	or next;
2154	$neigh = find $neigh, $map
2155	or next;
2156	$neigh->load;
2157
2158	push @neigh,
2159	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2160	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2161	}
2162
2163	for (grep defined $_->[0], @neigh) {
2164	my ($path, $origin) = @$_;
2165	my $neigh = find $path, $origin
2166	or next;
2167	$neigh->load;
2168	}
2169	}
2170
2171	sub find_sync {	2366	sub find_sync {
2172	my ($path, $origin) = @_;	2367	my ($path, $origin) = @_;
2173		2368
2174	cf::sync_job { find $path, $origin }	2369	# it's a bug to call this from the main context
		2370	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2371	if $Coro::current == $Coro::main;
		2372
		2373	find $path, $origin
2175	}	2374	}
2176		2375
2177	sub do_load_sync {	2376	sub do_load_sync {
2178	my ($map) = @_;	2377	my ($map) = @_;
2179		2378
		2379	# it's a bug to call this from the main context
2180	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2380	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2181	if $Coro::current == $Coro::main;	2381	if $Coro::current == $Coro::main;
2182		2382
2183	cf::sync_job { $map->load };	2383	$map->load;
2184	}	2384	}
2185		2385
2186	our %MAP_PREFETCH;	2386	our %MAP_PREFETCH;
2187	our $MAP_PREFETCHER = undef;	2387	our $MAP_PREFETCHER = undef;
2188		2388
2189	sub find_async {	2389	sub find_async {
2190	my ($path, $origin, $load) = @_;	2390	my ($path, $origin, $load) = @_;
2191		2391
2192	$path = normalise $path, $origin && $origin->{path};	2392	$path = normalise $path, $origin;
2193		2393
2194	if (my $map = $cf::MAP{$path}) {	2394	if (my $map = $cf::MAP{$path}) {
2195	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2395	return $map if !$load || $map->linkable;
2196	}	2396	}
2197		2397
2198	$MAP_PREFETCH{$path} |= $load;	2398	$MAP_PREFETCH{$path} |= $load;
2199		2399
2200	$MAP_PREFETCHER ||= cf::async {	2400	$MAP_PREFETCHER ||= cf::async {
2201	$Coro::current->{desc} = "map prefetcher";	2401	$Coro::current->{desc} = "map prefetcher";
2202		2402
2203	while (%MAP_PREFETCH) {	2403	while (%MAP_PREFETCH) {
2204	while (my ($k, $v) = each %MAP_PREFETCH) {	2404	for my $k (keys %MAP_PREFETCH) {
2205	if (my $map = find $k) {	2405	if (my $map = find $k) {
2206	$map->load if $v;	2406	$map->load if $MAP_PREFETCH{$k};
2207	}	2407	}
2208		2408
2209	delete $MAP_PREFETCH{$k};	2409	delete $MAP_PREFETCH{$k};
2210	}	2410	}
2211	}	2411	}
…		…
2214	$MAP_PREFETCHER->prio (6);	2414	$MAP_PREFETCHER->prio (6);
2215		2415
2216	()	2416	()
2217	}	2417	}
2218		2418
		2419	# common code, used by both ->save and ->swapout
2219	sub save {	2420	sub _save {
2220	my ($self) = @_;	2421	my ($self) = @_;
2221
2222	my $lock = cf::lock_acquire "map_data:$self->{path}";
2223		2422
2224	$self->{last_save} = $cf::RUNTIME;	2423	$self->{last_save} = $cf::RUNTIME;
2225		2424
2226	return unless $self->dirty;	2425	return unless $self->dirty;
2227		2426
…		…
2247	} else {	2446	} else {
2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2447	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2249	}	2448	}
2250	}	2449	}
2251		2450
		2451	sub save {
		2452	my ($self) = @_;
		2453
		2454	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2455
		2456	$self->_save;
		2457	}
		2458
2252	sub swap_out {	2459	sub swap_out {
2253	my ($self) = @_;	2460	my ($self) = @_;
2254		2461
2255	# save first because save cedes
2256	$self->save;
2257
2258	my $lock = cf::lock_acquire "map_data:$self->{path}";	2462	my $lock = cf::lock_acquire "map_data:$self->{path}";
2259		2463
		2464	return if !$self->linkable;
		2465	return if $self->{deny_save};
2260	return if $self->players;	2466	return if $self->players;
2261	return if $self->in_memory != cf::MAP_ACTIVE;	2467
		2468	# first deactivate the map and "unlink" it from the core
		2469	$self->deactivate;
		2470	$_->clear_links_to ($self) for values %cf::MAP;
		2471	$self->state (cf::MAP_SWAPPED);
		2472
		2473	# then atomically save
		2474	$self->_save;
		2475
		2476	# then free the map
		2477	$self->clear;
		2478	}
		2479
		2480	sub reset_at {
		2481	my ($self) = @_;
		2482
		2483	# TODO: safety, remove and allow resettable per-player maps
2262	return if $self->{deny_save};	2484	return 1e99 if $self->{deny_reset};
2263		2485
		2486	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2487	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2488
		2489	$time + $to
		2490	}
		2491
		2492	sub should_reset {
		2493	my ($self) = @_;
		2494
		2495	$self->reset_at <= $cf::RUNTIME
		2496	}
		2497
		2498	sub reset {
		2499	my ($self) = @_;
		2500
		2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2502
		2503	return if $self->players;
		2504
		2505	cf::trace "resetting map ", $self->path, "\n";
		2506
2264	$self->in_memory (cf::MAP_SWAPPED);	2507	$self->state (cf::MAP_SWAPPED);
		2508
		2509	# need to save uniques path
		2510	unless ($self->{deny_save}) {
		2511	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2512
		2513	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2514	if $uniq;
		2515	}
		2516
		2517	delete $cf::MAP{$self->path};
2265		2518
2266	$self->deactivate;	2519	$self->deactivate;
2267	$_->clear_links_to ($self) for values %cf::MAP;	2520	$_->clear_links_to ($self) for values %cf::MAP;
2268	$self->clear;	2521	$self->clear;
2269	}
2270
2271	sub reset_at {
2272	my ($self) = @_;
2273
2274	# TODO: safety, remove and allow resettable per-player maps
2275	return 1e99 if $self->{deny_reset};
2276
2277	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2278	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2279
2280	$time + $to
2281	}
2282
2283	sub should_reset {
2284	my ($self) = @_;
2285
2286	$self->reset_at <= $cf::RUNTIME
2287	}
2288
2289	sub reset {
2290	my ($self) = @_;
2291
2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
2293
2294	return if $self->players;
2295
2296	warn "resetting map ", $self->path;
2297
2298	$self->in_memory (cf::MAP_SWAPPED);
2299
2300	# need to save uniques path
2301	unless ($self->{deny_save}) {
2302	my $uniq = $self->uniq_path; utf8::encode $uniq;
2303
2304	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2305	if $uniq;
2306	}
2307
2308	delete $cf::MAP{$self->path};
2309
2310	$self->deactivate;
2311	$_->clear_links_to ($self) for values %cf::MAP;
2312	$self->clear;
2313		2522
2314	$self->unlink_save;	2523	$self->unlink_save;
2315	$self->destroy;	2524	$self->destroy;
2316	}	2525	}
2317		2526
…		…
2325		2534
2326	delete $cf::MAP{$self->path};	2535	delete $cf::MAP{$self->path};
2327		2536
2328	$self->unlink_save;	2537	$self->unlink_save;
2329		2538
2330	bless $self, "cf::map";	2539	bless $self, "cf::map::wrap";
2331	delete $self->{deny_reset};	2540	delete $self->{deny_reset};
2332	$self->{deny_save} = 1;	2541	$self->{deny_save} = 1;
2333	$self->reset_timeout (1);	2542	$self->reset_timeout (1);
2334	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2543	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2335		2544
…		…
2392	: normalise $_	2601	: normalise $_
2393	} @{ aio_readdir $UNIQUEDIR or [] }	2602	} @{ aio_readdir $UNIQUEDIR or [] }
2394	]	2603	]
2395	}	2604	}
2396		2605
		2606	=item cf::map::static_maps
		2607
		2608	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2609	file in the shared directory excluding F</styles> and F</editor>). May
		2610	block.
		2611
		2612	=cut
		2613
		2614	sub static_maps() {
		2615	my @dirs = "";
		2616	my @maps;
		2617
		2618	while (@dirs) {
		2619	my $dir = shift @dirs;
		2620
		2621	next if $dir eq "/styles" || $dir eq "/editor";
		2622
		2623	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2624	or return;
		2625
		2626	for (@$files) {
		2627	s/\.map$// or next;
		2628	utf8::decode $_;
		2629	push @maps, "$dir/$_";
		2630	}
		2631
		2632	push @dirs, map "$dir/$_", @$dirs;
		2633	}
		2634
		2635	\@maps
		2636	}
		2637
2397	=back	2638	=back
2398		2639
2399	=head3 cf::object	2640	=head3 cf::object
2400		2641
2401	=cut	2642	=cut
…		…
2424		2665
2425	Creates and returns a persistent reference to an object that can be stored as a string.	2666	Creates and returns a persistent reference to an object that can be stored as a string.
2426		2667
2427	=item $ob = cf::object::deref ($refstring)	2668	=item $ob = cf::object::deref ($refstring)
2428		2669
2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2670	returns the objetc referenced by refstring. may return undef when it cannot find the object,
2430	even if the object actually exists. May block.	2671	even if the object actually exists. May block.
2431		2672
2432	=cut	2673	=cut
2433		2674
2434	sub deref {	2675	sub deref {
…		…
2466		2707
2467	our $SAY_CHANNEL = {	2708	our $SAY_CHANNEL = {
2468	id => "say",	2709	id => "say",
2469	title => "Map",	2710	title => "Map",
2470	reply => "say ",	2711	reply => "say ",
2471	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2712	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2472	};	2713	};
2473		2714
2474	our $CHAT_CHANNEL = {	2715	our $CHAT_CHANNEL = {
2475	id => "chat",	2716	id => "chat",
2476	title => "Chat",	2717	title => "Chat",
…		…
2516	=item $player_object->may ("access")	2757	=item $player_object->may ("access")
2517		2758
2518	Returns wether the given player is authorized to access resource "access"	2759	Returns wether the given player is authorized to access resource "access"
2519	(e.g. "command_wizcast").	2760	(e.g. "command_wizcast").
2520		2761
		2762	This is implemented by checking a config setting of C<may_access> where
		2763	C<access> is replaced by the access string. The following alternatives are
		2764	possible (and are tested in order):
		2765
		2766	=over 4
		2767
		2768	=item * Player is DM
		2769
		2770	The request will succeed.
		2771
		2772	=item * may_access is an array reference
		2773
		2774	If either the player nickname or UUID is in the array, the request will
		2775	succeed, otherwise it will fail.
		2776
		2777	=item * may_access is a true value
		2778
		2779	The request will succeed.
		2780
		2781	=item * may_access is missing or false
		2782
		2783	The request will fail.
		2784
		2785	=back
		2786
2521	=cut	2787	=cut
2522		2788
2523	sub cf::object::player::may {	2789	sub cf::object::player::may {
2524	my ($self, $access) = @_;	2790	my ($self, $access) = @_;
2525		2791
2526	$self->flag (cf::FLAG_WIZ) ||	2792	$self->flag (cf::FLAG_WIZ) ||
2527	(ref $cf::CFG{"may_$access"}	2793	(ref $cf::CFG{"may_$access"}
2528	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2794	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2529	: $cf::CFG{"may_$access"})	2795	: $cf::CFG{"may_$access"})
2530	}	2796	}
2531		2797
2532	=item $player_object->enter_link	2798	=item $player_object->enter_link
2533		2799
2534	Freezes the player and moves him/her to a special map (C<{link}>).	2800	Freezes the player and moves him/her to a special map (C<{link}>).
2535		2801
2536	The player should be reasonably safe there for short amounts of time. You	2802	The player should be reasonably safe there for short amounts of time (e.g.
2537	I<MUST> call C<leave_link> as soon as possible, though.	2803	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2804	though, as the player cannot control the character while it is on the link
		2805	map.
2538		2806
2539	Will never block.	2807	This method will never block, which is the whole reaosn for it's
		2808	existance: you can I<always> put a player onto the link map, which is the
		2809	only place to put objects that is guaranteed to exist.
		2810
		2811	A typical usage pattern is to call C<enter_link> synchronously from the
		2812	server, then start a new thread, do your blocking stuff there and then
		2813	call C<leave_link> from that thread.
2540		2814
2541	=item $player_object->leave_link ($map, $x, $y)	2815	=item $player_object->leave_link ($map, $x, $y)
2542		2816
2543	Moves the player out of the special C<{link}> map onto the specified	2817	Moves the player out of the special C<{link}> map onto the specified
2544	map. If the map is not valid (or omitted), the player will be moved back	2818	map. If the map is not valid (or omitted), the player will be moved back
…		…
2562	sub cf::object::player::enter_link {	2836	sub cf::object::player::enter_link {
2563	my ($self) = @_;	2837	my ($self) = @_;
2564		2838
2565	$self->deactivate_recursive;	2839	$self->deactivate_recursive;
2566		2840
		2841	++$self->{_link_recursion};
		2842
2567	return if UNIVERSAL::isa $self->map, "ext::map_link";	2843	return if UNIVERSAL::isa $self->map, "ext::map_link";
2568		2844
2569	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2845	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2570	if $self->map && $self->map->{path} ne "{link}";	2846	if $self->map && $self->map->{path} ne "{link}";
2571		2847
2572	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2848	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2573	}	2849	}
2574		2850
2575	sub cf::object::player::leave_link {	2851	sub cf::object::player::leave_link {
2576	my ($self, $map, $x, $y) = @_;	2852	my ($self, $map, $x, $y) = @_;
2577		2853
…		…
2594	($x, $y) = (-1, -1)	2870	($x, $y) = (-1, -1)
2595	unless (defined $x) && (defined $y);	2871	unless (defined $x) && (defined $y);
2596		2872
2597	# use -1 or undef as default coordinates, not 0, 0	2873	# use -1 or undef as default coordinates, not 0, 0
2598	($x, $y) = ($map->enter_x, $map->enter_y)	2874	($x, $y) = ($map->enter_x, $map->enter_y)
2599	if $x <=0 && $y <= 0;	2875	if $x <= 0 && $y <= 0;
2600		2876
2601	$map->load;	2877	$map->load;
2602	$map->load_neighbours;
2603		2878
2604	return unless $self->contr->active;	2879	return unless $self->contr->active;
2605	$self->activate_recursive;
2606		2880
2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2881	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2608	$self->enter_map ($map, $x, $y);	2882	if ($self->enter_map ($map, $x, $y)) {
2609	}	2883	# entering was successful
		2884	delete $self->{_link_recursion};
		2885	# only activate afterwards, to support waiting in hooks
		2886	$self->activate_recursive;
		2887	}
2610		2888
		2889	}
		2890
2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2891	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2612		2892
2613	Moves the player to the given map-path and coordinates by first freezing	2893	Moves the player to the given map-path and coordinates by first freezing
2614	her, loading and preparing them map, calling the provided $check callback	2894	her, loading and preparing them map, calling the provided $check callback
2615	that has to return the map if sucecssful, and then unfreezes the player on	2895	that has to return the map if sucecssful, and then unfreezes the player on
2616	the new (success) or old (failed) map position. In either case, $done will	2896	the new (success) or old (failed) map position. In either case, $done will
2617	be called at the end of this process.	2897	be called at the end of this process.
2618		2898
		2899	Note that $check will be called with a potentially non-loaded map, so if
		2900	it needs a loaded map it has to call C<< ->load >>.
		2901
2619	=cut	2902	=cut
2620		2903
2621	our $GOTOGEN;	2904	our $GOTOGEN;
2622		2905
2623	sub cf::object::player::goto {	2906	sub cf::object::player::goto {
2624	my ($self, $path, $x, $y, $check, $done) = @_;	2907	my ($self, $path, $x, $y, $check, $done) = @_;
		2908
		2909	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2910	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2911	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2912	($path, $x, $y) = @$EMERGENCY_POSITION;
		2913	}
2625		2914
2626	# do generation counting so two concurrent goto's will be executed in-order	2915	# do generation counting so two concurrent goto's will be executed in-order
2627	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2916	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2628		2917
2629	$self->enter_link;	2918	$self->enter_link;
…		…
2649	($path, $x, $y) = (undef, undef, undef);	2938	($path, $x, $y) = (undef, undef, undef);
2650	}	2939	}
2651	}	2940	}
2652		2941
2653	my $map = eval {	2942	my $map = eval {
2654	my $map = defined $path ? cf::map::find $path : undef;	2943	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2655		2944
2656	if ($map) {	2945	if ($map) {
2657	$map = $map->customise_for ($self);	2946	$map = $map->customise_for ($self);
2658	$map = $check->($map) if $check && $map;	2947	$map = $check->($map, $x, $y, $self) if $check && $map;
2659	} else {	2948	} else {
2660	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2949	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2661	}	2950	}
2662		2951
2663	$map	2952	$map
…		…
2671	if ($gen == $self->{_goto_generation}) {	2960	if ($gen == $self->{_goto_generation}) {
2672	delete $self->{_goto_generation};	2961	delete $self->{_goto_generation};
2673	$self->leave_link ($map, $x, $y);	2962	$self->leave_link ($map, $x, $y);
2674	}	2963	}
2675		2964
2676	$done->() if $done;	2965	$done->($self) if $done;
2677	})->prio (1);	2966	})->prio (1);
2678	}	2967	}
2679		2968
2680	=item $player_object->enter_exit ($exit_object)	2969	=item $player_object->enter_exit ($exit_object)
2681		2970
…		…
2749	$Coro::current->{desc} = "enter_exit";	3038	$Coro::current->{desc} = "enter_exit";
2750		3039
2751	unless (eval {	3040	unless (eval {
2752	$self->deactivate_recursive; # just to be sure	3041	$self->deactivate_recursive; # just to be sure
2753		3042
2754	# random map handling
2755	{
2756	my $guard = cf::lock_acquire "exit_prepare:$exit";
2757
2758	prepare_random_map $exit
2759	if $exit->slaying eq "/!";
2760	}
2761
2762	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	3043	my $map = cf::map::normalise $exit->slaying, $exit->map;
2763	my $x = $exit->stats->hp;	3044	my $x = $exit->stats->hp;
2764	my $y = $exit->stats->sp;	3045	my $y = $exit->stats->sp;
		3046
		3047	# special map handling
		3048	my $slaying = $exit->slaying;
		3049
		3050	# special map handling
		3051	if ($slaying eq "/!") {
		3052	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3053
		3054	prepare_random_map $exit
		3055	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3056
		3057	$map = $exit->slaying;
		3058
		3059	} elsif ($slaying eq '!up') {
		3060	$map = $exit->map->tile_path (cf::TILE_UP);
		3061	$x = $exit->x;
		3062	$y = $exit->y;
		3063
		3064	} elsif ($slaying eq '!down') {
		3065	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3066	$x = $exit->x;
		3067	$y = $exit->y;
		3068	}
2765		3069
2766	$self->goto ($map, $x, $y);	3070	$self->goto ($map, $x, $y);
2767		3071
2768	# if exit is damned, update players death & WoR home-position	3072	# if exit is damned, update players death & WoR home-position
2769	$self->contr->savebed ($map, $x, $y)	3073	$self->contr->savebed ($map, $x, $y)
2770	if $exit->flag (cf::FLAG_DAMNED);	3074	if $exit->flag (cf::FLAG_DAMNED);
2771		3075
2772	1	3076	1
2773	}) {	3077	}) {
2774	$self->message ("Something went wrong deep within the crossfire server. "	3078	$self->message ("Something went wrong deep within the deliantra server. "
2775	. "I'll try to bring you back to the map you were before. "	3079	. "I'll try to bring you back to the map you were before. "
2776	. "Please report this to the dungeon master!",	3080	. "Please report this to the dungeon master!",
2777	cf::NDI_UNIQUE | cf::NDI_RED);	3081	cf::NDI_UNIQUE | cf::NDI_RED);
2778		3082
2779	warn "ERROR in enter_exit: $@";	3083	error "ERROR in enter_exit: $@";
2780	$self->leave_link;	3084	$self->leave_link;
2781	}	3085	}
2782	})->prio (1);	3086	})->prio (1);
2783	}	3087	}
2784		3088
2785	=head3 cf::client	3089	=head3 cf::client
2786		3090
2787	=over 4	3091	=over 4
2788		3092
2789	=item $client->send_drawinfo ($text, $flags)	3093	=item $client->send_big_packet ($pkt)
2790		3094
2791	Sends a drawinfo packet to the client. Circumvents output buffering so	3095	Like C<send_packet>, but tries to compress large packets, and fragments
2792	should not be used under normal circumstances.	3096	them as required.
2793		3097
2794	=cut	3098	=cut
2795		3099
		3100	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3101
2796	sub cf::client::send_drawinfo {	3102	sub cf::client::send_big_packet {
2797	my ($self, $text, $flags) = @_;	3103	my ($self, $pkt) = @_;
2798		3104
2799	utf8::encode $text;	3105	# try lzf for large packets
2800	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3106	$pkt = "lzf " . Compress::LZF::compress $pkt
		3107	if 1024 <= length $pkt and $self->{can_lzf};
		3108
		3109	# split very large packets
		3110	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3111	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3112	$pkt = "frag";
		3113	}
		3114
		3115	$self->send_packet ($pkt);
2801	}	3116	}
2802		3117
2803	=item $client->send_msg ($channel, $msg, $color, [extra...])	3118	=item $client->send_msg ($channel, $msg, $color, [extra...])
2804		3119
2805	Send a drawinfo or msg packet to the client, formatting the msg for the	3120	Send a msg packet to the client, formatting the msg for the client if
2806	client if neccessary. C<$type> should be a string identifying the type of	3121	necessary. C<$type> should be a string identifying the type of the
2807	the message, with C<log> being the default. If C<$color> is negative, suppress	3122	message, with C<log> being the default. If C<$color> is negative, suppress
2808	the message unless the client supports the msg packet.	3123	the message unless the client supports the msg packet.
2809		3124
2810	=cut	3125	=cut
2811		3126
2812	# non-persistent channels (usually the info channel)	3127	# non-persistent channels (usually the info channel)
2813	our %CHANNEL = (	3128	our %CHANNEL = (
		3129	"c/motd" => {
		3130	id => "infobox",
		3131	title => "MOTD",
		3132	reply => undef,
		3133	tooltip => "The message of the day",
		3134	},
2814	"c/identify" => {	3135	"c/identify" => {
2815	id => "infobox",	3136	id => "infobox",
2816	title => "Identify",	3137	title => "Identify",
2817	reply => undef,	3138	reply => undef,
2818	tooltip => "Items recently identified",	3139	tooltip => "Items recently identified",
…		…
2820	"c/examine" => {	3141	"c/examine" => {
2821	id => "infobox",	3142	id => "infobox",
2822	title => "Examine",	3143	title => "Examine",
2823	reply => undef,	3144	reply => undef,
2824	tooltip => "Signs and other items you examined",	3145	tooltip => "Signs and other items you examined",
		3146	},
		3147	"c/shopinfo" => {
		3148	id => "infobox",
		3149	title => "Shop Info",
		3150	reply => undef,
		3151	tooltip => "What your bargaining skill tells you about the shop",
2825	},	3152	},
2826	"c/book" => {	3153	"c/book" => {
2827	id => "infobox",	3154	id => "infobox",
2828	title => "Book",	3155	title => "Book",
2829	reply => undef,	3156	reply => undef,
…		…
2843	},	3170	},
2844	"c/body" => {	3171	"c/body" => {
2845	id => "infobox",	3172	id => "infobox",
2846	title => "Body Parts",	3173	title => "Body Parts",
2847	reply => undef,	3174	reply => undef,
2848	tooltip => "Shows which body parts you posess and are available",	3175	tooltip => "Shows which body parts you possess and are available",
		3176	},
		3177	"c/statistics" => {
		3178	id => "infobox",
		3179	title => "Statistics",
		3180	reply => undef,
		3181	tooltip => "Shows your primary statistics",
		3182	},
		3183	"c/skills" => {
		3184	id => "infobox",
		3185	title => "Skills",
		3186	reply => undef,
		3187	tooltip => "Shows your experience per skill and item power",
		3188	},
		3189	"c/shopitems" => {
		3190	id => "infobox",
		3191	title => "Shop Items",
		3192	reply => undef,
		3193	tooltip => "Shows the items currently for sale in this shop",
		3194	},
		3195	"c/resistances" => {
		3196	id => "infobox",
		3197	title => "Resistances",
		3198	reply => undef,
		3199	tooltip => "Shows your resistances",
		3200	},
		3201	"c/pets" => {
		3202	id => "infobox",
		3203	title => "Pets",
		3204	reply => undef,
		3205	tooltip => "Shows information abotu your pets/a specific pet",
		3206	},
		3207	"c/perceiveself" => {
		3208	id => "infobox",
		3209	title => "Perceive Self",
		3210	reply => undef,
		3211	tooltip => "You gained detailed knowledge about yourself",
2849	},	3212	},
2850	"c/uptime" => {	3213	"c/uptime" => {
2851	id => "infobox",	3214	id => "infobox",
2852	title => "Uptime",	3215	title => "Uptime",
2853	reply => undef,	3216	reply => undef,
…		…
2863	id => "party",	3226	id => "party",
2864	title => "Party",	3227	title => "Party",
2865	reply => "gsay ",	3228	reply => "gsay ",
2866	tooltip => "Messages and chat related to your party",	3229	tooltip => "Messages and chat related to your party",
2867	},	3230	},
		3231	"c/death" => {
		3232	id => "death",
		3233	title => "Death",
		3234	reply => undef,
		3235	tooltip => "Reason for and more info about your most recent death",
		3236	},
		3237	"c/fatal" => {
		3238	id => "fatal",
		3239	title => "Fatal Error",
		3240	reply => undef,
		3241	tooltip => "Reason for the server disconnect",
		3242	},
		3243	"c/say" => $SAY_CHANNEL,
		3244	"c/chat" => $CHAT_CHANNEL,
2868	);	3245	);
2869		3246
2870	sub cf::client::send_msg {	3247	sub cf::client::send_msg {
2871	my ($self, $channel, $msg, $color, @extra) = @_;	3248	my ($self, $channel, $msg, $color, @extra) = @_;
2872		3249
2873	$msg = $self->pl->expand_cfpod ($msg);	3250	$msg = $self->pl->expand_cfpod ($msg)
		3251	unless $color & cf::NDI_VERBATIM;
2874		3252
2875	$color &= cf::NDI_CLIENT_MASK; # just in case...	3253	$color &= cf::NDI_CLIENT_MASK; # just in case...
2876		3254
2877	# check predefined channels, for the benefit of C	3255	# check predefined channels, for the benefit of C
2878	if ($CHANNEL{$channel}) {	3256	if ($CHANNEL{$channel}) {
2879	$channel = $CHANNEL{$channel};	3257	$channel = $CHANNEL{$channel};
2880		3258
2881	$self->ext_msg (channel_info => $channel)	3259	$self->ext_msg (channel_info => $channel);
2882	if $self->can_msg;
2883
2884	$channel = $channel->{id};	3260	$channel = $channel->{id};
2885		3261
2886	} elsif (ref $channel) {	3262	} elsif (ref $channel) {
2887	# send meta info to client, if not yet sent	3263	# send meta info to client, if not yet sent
2888	unless (exists $self->{channel}{$channel->{id}}) {	3264	unless (exists $self->{channel}{$channel->{id}}) {
2889	$self->{channel}{$channel->{id}} = $channel;	3265	$self->{channel}{$channel->{id}} = $channel;
2890	$self->ext_msg (channel_info => $channel)	3266	$self->ext_msg (channel_info => $channel);
2891	if $self->can_msg;
2892	}	3267	}
2893		3268
2894	$channel = $channel->{id};	3269	$channel = $channel->{id};
2895	}	3270	}
2896		3271
2897	return unless @extra || length $msg;	3272	return unless @extra || length $msg;
2898		3273
2899	if ($self->can_msg) {
2900	# default colour, mask it out	3274	# default colour, mask it out
2901	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3275	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2902	if $color & cf::NDI_DEF;	3276	if $color & cf::NDI_DEF;
2903		3277
2904	$self->send_packet ("msg " . $self->{json_coder}->encode (	3278	my $pkt = "msg "
		3279	. $self->{json_coder}->encode (
2905	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3280	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2906	} else {	3281	);
2907	if ($color >= 0) {
2908	# replace some tags by gcfclient-compatible ones
2909	for ($msg) {
2910	1 while
2911	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2912	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2913	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2914	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2915	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2916	}
2917		3282
2918	$color &= cf::NDI_COLOR_MASK;	3283	$self->send_big_packet ($pkt);
2919
2920	utf8::encode $msg;
2921
2922	if (0 && $msg =~ /\[/) {
2923	# COMMAND/INFO
2924	$self->send_packet ("drawextinfo $color 10 8 $msg")
2925	} else {
2926	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2927	$self->send_packet ("drawinfo $color $msg")
2928	}
2929	}
2930	}
2931	}	3284	}
2932		3285
2933	=item $client->ext_msg ($type, @msg)	3286	=item $client->ext_msg ($type, @msg)
2934		3287
2935	Sends an ext event to the client.	3288	Sends an ext event to the client.
…		…
2937	=cut	3290	=cut
2938		3291
2939	sub cf::client::ext_msg($$@) {	3292	sub cf::client::ext_msg($$@) {
2940	my ($self, $type, @msg) = @_;	3293	my ($self, $type, @msg) = @_;
2941		3294
2942	if ($self->extcmd == 2) {
2943	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3295	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2944	} elsif ($self->extcmd == 1) { # TODO: remove
2945	push @msg, msgtype => "event_$type";
2946	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2947	}
2948	}
2949
2950	=item $client->ext_reply ($msgid, @msg)
2951
2952	Sends an ext reply to the client.
2953
2954	=cut
2955
2956	sub cf::client::ext_reply($$@) {
2957	my ($self, $id, @msg) = @_;
2958
2959	if ($self->extcmd == 2) {
2960	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2961	} elsif ($self->extcmd == 1) {
2962	#TODO: version 1, remove
2963	unshift @msg, msgtype => "reply", msgid => $id;
2964	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2965	}
2966	}	3296	}
2967		3297
2968	=item $success = $client->query ($flags, "text", \&cb)	3298	=item $success = $client->query ($flags, "text", \&cb)
2969		3299
2970	Queues a query to the client, calling the given callback with	3300	Queues a query to the client, calling the given callback with
…		…
2990		3320
2991	$self->send_packet ($self->{query_queue}[0][0])	3321	$self->send_packet ($self->{query_queue}[0][0])
2992	if @{ $self->{query_queue} } == 1;	3322	if @{ $self->{query_queue} } == 1;
2993		3323
2994	1	3324	1
		3325	}
		3326
		3327	=item $client->update_command_faces
		3328
		3329	=cut
		3330
		3331	our %COMMAND_FACE;
		3332
		3333	sub cf::client::update_command_faces {
		3334	my ($self) = @_;
		3335
		3336	my @faces = grep $_,
		3337	$COMMAND_FACE{preferred},
		3338	$COMMAND_FACE{standard},
		3339	$COMMAND_FACE{skill},
		3340	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3341	$COMMAND_FACE{emote},
		3342	;
		3343
		3344	$self->send_face ($_)
		3345	for @faces;
		3346	$self->flush_fx;
		3347
		3348	$self->ext_msg (command_list => @faces);
		3349	}
		3350
		3351	=item cf::client::set_command_face $type, $commands
		3352
		3353	=cut
		3354
		3355	sub cf::client::set_command_face {
		3356	my ($type, $list) = @_;
		3357
		3358	my $idx = &cf::face::set ( #d# ugly forward reference
		3359	"command_list/$type" => cf::FT_RSRC,
		3360	JSON::XS->new->utf8->encode ([ sort @$list ])
		3361	);
		3362
		3363	$COMMAND_FACE{$type} = $idx;
2995	}	3364	}
2996		3365
2997	cf::client->attach (	3366	cf::client->attach (
2998	on_connect => sub {	3367	on_connect => sub {
2999	my ($ns) = @_;	3368	my ($ns) = @_;
…		…
3025	my ($ns, $buf) = @_;	3394	my ($ns, $buf) = @_;
3026		3395
3027	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3396	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3028		3397
3029	if (ref $msg) {	3398	if (ref $msg) {
3030	my ($type, $reply, @payload) =	3399	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3031	"ARRAY" eq ref $msg
3032	? @$msg
3033	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3034		3400
3035	my @reply;
3036
3037	if (my $cb = $EXTICMD{$type}) {	3401	if (my $cb = $EXTIACMD{$type}) {
		3402	$cb->(
		3403	$ns,
		3404	sub {
		3405	$ns->ext_msg ("reply-$reply", @_)
		3406	if $reply;
		3407	},
		3408	@payload
		3409	);
		3410	} else {
		3411	my @reply;
		3412
		3413	if (my $cb = $EXTICMD{$type}) {
3038	@reply = $cb->($ns, @payload);	3414	@reply = $cb->($ns, @payload);
		3415	}
		3416
		3417	$ns->ext_msg ("reply-$reply", @reply)
		3418	if $reply;
3039	}	3419	}
3040
3041	$ns->ext_reply ($reply, @reply)
3042	if $reply;
3043
3044	} else {	3420	} else {
3045	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3421	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3046	}	3422	}
3047		3423
3048	cf::override;	3424	cf::override;
3049	},	3425	},
3050	);	3426	);
…		…
3070		3446
3071	$coro	3447	$coro
3072	}	3448	}
3073		3449
3074	cf::client->attach (	3450	cf::client->attach (
3075	on_destroy => sub {	3451	on_client_destroy => sub {
3076	my ($ns) = @_;	3452	my ($ns) = @_;
3077		3453
3078	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3454	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3079	},	3455	},
3080	);	3456	);
…		…
3096	our $safe_hole = new Safe::Hole;	3472	our $safe_hole = new Safe::Hole;
3097		3473
3098	$SIG{FPE} = 'IGNORE';	3474	$SIG{FPE} = 'IGNORE';
3099		3475
3100	$safe->permit_only (Opcode::opset qw(	3476	$safe->permit_only (Opcode::opset qw(
3101	:base_core :base_mem :base_orig :base_math	3477	:base_core :base_mem :base_orig :base_math :base_loop
3102	grepstart grepwhile mapstart mapwhile	3478	grepstart grepwhile mapstart mapwhile
3103	sort time	3479	sort time
3104	));	3480	));
3105		3481
3106	# here we export the classes and methods available to script code	3482	# here we export the classes and methods available to script code
…		…
3110	The following functions and methods are available within a safe environment:	3486	The following functions and methods are available within a safe environment:
3111		3487
3112	cf::object	3488	cf::object
3113	contr pay_amount pay_player map x y force_find force_add destroy	3489	contr pay_amount pay_player map x y force_find force_add destroy
3114	insert remove name archname title slaying race decrease split	3490	insert remove name archname title slaying race decrease split
		3491	value
3115		3492
3116	cf::object::player	3493	cf::object::player
3117	player	3494	player
3118		3495
3119	cf::player	3496	cf::player
…		…
3125	=cut	3502	=cut
3126		3503
3127	for (	3504	for (
3128	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3505	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3129	insert remove inv nrof name archname title slaying race	3506	insert remove inv nrof name archname title slaying race
3130	decrease split destroy)],	3507	decrease split destroy change_exp value msg lore send_msg)],
3131	["cf::object::player" => qw(player)],	3508	["cf::object::player" => qw(player)],
3132	["cf::player" => qw(peaceful)],	3509	["cf::player" => qw(peaceful send_msg)],
3133	["cf::map" => qw(trigger)],	3510	["cf::map" => qw(trigger)],
3134	) {	3511	) {
3135	no strict 'refs';
3136	my ($pkg, @funs) = @$_;	3512	my ($pkg, @funs) = @$_;
3137	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3513	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3138	for @funs;	3514	for @funs;
3139	}	3515	}
3140		3516
…		…
3155		3531
3156	my $qcode = $code;	3532	my $qcode = $code;
3157	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3533	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3158	$qcode =~ s/\n/\\n/g;	3534	$qcode =~ s/\n/\\n/g;
3159		3535
		3536	%vars = (_dummy => 0) unless %vars;
		3537
		3538	my @res;
3160	local $_;	3539	local $_;
3161	local @safe::cf::_safe_eval_args = values %vars;
3162		3540
3163	my $eval =	3541	my $eval =
3164	"do {\n"	3542	"do {\n"
3165	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3543	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3166	. "#line 0 \"{$qcode}\"\n"	3544	. "#line 0 \"{$qcode}\"\n"
3167	. $code	3545	. $code
3168	. "\n}"	3546	. "\n}"
3169	;	3547	;
3170		3548
		3549	if ($CFG{safe_eval}) {
3171	sub_generation_inc;	3550	sub_generation_inc;
		3551	local @safe::cf::_safe_eval_args = values %vars;
3172	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3552	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3173	sub_generation_inc;	3553	sub_generation_inc;
		3554	} else {
		3555	local @cf::_safe_eval_args = values %vars;
		3556	@res = wantarray ? eval eval : scalar eval $eval;
		3557	}
3174		3558
3175	if ($@) {	3559	if ($@) {
3176	warn "$@";	3560	warn "$@",
3177	warn "while executing safe code '$code'\n";	3561	"while executing safe code '$code'\n",
3178	warn "with arguments " . (join " ", %vars) . "\n";	3562	"with arguments " . (join " ", %vars) . "\n";
3179	}	3563	}
3180		3564
3181	wantarray ? @res : $res[0]	3565	wantarray ? @res : $res[0]
3182	}	3566	}
3183		3567
…		…
3197	=cut	3581	=cut
3198		3582
3199	sub register_script_function {	3583	sub register_script_function {
3200	my ($fun, $cb) = @_;	3584	my ($fun, $cb) = @_;
3201		3585
3202	no strict 'refs';	3586	$fun = "safe::$fun" if $CFG{safe_eval};
3203	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3587	*$fun = $safe_hole->wrap ($cb);
3204	}	3588	}
3205		3589
3206	=back	3590	=back
3207		3591
3208	=cut	3592	=cut
3209		3593
3210	#############################################################################	3594	#############################################################################
3211	# the server's init and main functions	3595	# the server's init and main functions
3212		3596
		3597	{
		3598	package cf::face;
		3599
		3600	our %HASH; # hash => idx
		3601	our @DATA; # dynamically-created facedata, only faceste 0 used
		3602	our @FOFS; # file offset, if > 0
		3603	our @SIZE; # size of face, in octets
		3604	our @META; # meta hash of face, if any
		3605	our $DATAFH; # facedata filehandle
		3606
		3607	# internal api, not finalised
		3608	sub set {
		3609	my ($name, $type, $data) = @_;
		3610
		3611	my $idx = cf::face::find $name;
		3612
		3613	if ($idx) {
		3614	delete $HASH{cf::face::get_csum $idx};
		3615	} else {
		3616	$idx = cf::face::alloc $name;
		3617	}
		3618
		3619	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3620
		3621	cf::face::set_type $idx, $type;
		3622	cf::face::set_csum $idx, 0, $hash;
		3623
		3624	# we need to destroy the SV itself, not just modify it, as a running ix
		3625	# might hold a reference to it: "delete" achieves that.
		3626	delete $FOFS[0][$idx];
		3627	delete $DATA[0][$idx];
		3628	$DATA[0][$idx] = $data;
		3629	$SIZE[0][$idx] = length $data;
		3630	delete $META[$idx];
		3631	$HASH{$hash} = $idx;#d#
		3632
		3633	$idx
		3634	}
		3635
		3636	sub _get_data($$$) {
		3637	my ($idx, $set, $cb) = @_;
		3638
		3639	if (defined $DATA[$set][$idx]) {
		3640	$cb->($DATA[$set][$idx]);
		3641	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3642	my $size = $SIZE[$set][$idx];
		3643	my $buf;
		3644	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3645	if ($_[0] == $size) {
		3646	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3647	$cb->($buf);
		3648	} else {
		3649	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3650	}
		3651	};
		3652	} else {
		3653	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3654	}
		3655	}
		3656
		3657	# rather ineffient
		3658	sub cf::face::get_data($;$) {
		3659	my ($idx, $set) = @_;
		3660
		3661	_get_data $idx, $set, Coro::rouse_cb;
		3662	Coro::rouse_wait
		3663	}
		3664
		3665	sub cf::face::ix {
		3666	my ($ns, $set, $idx, $pri) = @_;
		3667
		3668	_get_data $idx, $set, sub {
		3669	$ns->ix_send ($idx, $pri, $_[0]);
		3670	};
		3671	}
		3672	}
		3673
3213	sub load_facedata($) {	3674	sub load_facedata($) {
3214	my ($path) = @_;	3675	my ($path) = @_;
3215		3676
3216	# HACK to clear player env face cache, we need some signal framework
3217	# for this (global event?)
3218	%ext::player_env::MUSIC_FACE_CACHE = ();
3219
3220	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3677	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3221		3678
3222	warn "loading facedata from $path\n";	3679	trace "loading facedata from $path\n";
3223		3680
3224	my $facedata;	3681	my $facedata = decode_storable load_file "$path/faceinfo";
3225	0 < aio_load $path, $facedata
3226	or die "$path: $!";
3227
3228	$facedata = Coro::Storable::thaw $facedata;
3229		3682
3230	$facedata->{version} == 2	3683	$facedata->{version} == 2
3231	or cf::cleanup "$path: version mismatch, cannot proceed.";	3684	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3232		3685
3233	# patch in the exptable	3686	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3234	$facedata->{resource}{"res/exp_table"} = {	3687	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3235	type => FT_RSRC,	3688
3236	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3689	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3237	};	3690
3238	cf::cede_to_tick;	3691	# BEGIN ATOMIC
		3692	# from here on, everything must be atomic - no thread switch allowed
		3693	my $t1 = EV::time;
3239		3694
3240	{	3695	{
3241	my $faces = $facedata->{faceinfo};	3696	my $faces = $facedata->{faceinfo};
3242		3697
3243	while (my ($face, $info) = each %$faces) {	3698	for my $face (sort keys %$faces) {
		3699	my $info = $faces->{$face};
3244	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3700	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3245		3701
3246	cf::face::set_visibility $idx, $info->{visibility};	3702	cf::face::set_visibility $idx, $info->{visibility};
3247	cf::face::set_magicmap $idx, $info->{magicmap};	3703	cf::face::set_magicmap $idx, $info->{magicmap};
3248	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3704	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3249	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3705	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3250		3706	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3251	cf::cede_to_tick;	3707	$cf::face::HASH{$info->{hash64}} = $idx;
		3708	delete $cf::face::META[$idx];
3252	}	3709	}
3253		3710
3254	while (my ($face, $info) = each %$faces) {	3711	while (my ($face, $info) = each %$faces) {
3255	next unless $info->{smooth};	3712	next unless $info->{smooth};
3256		3713
…		…
3259		3716
3260	if (my $smooth = cf::face::find $info->{smooth}) {	3717	if (my $smooth = cf::face::find $info->{smooth}) {
3261	cf::face::set_smooth $idx, $smooth;	3718	cf::face::set_smooth $idx, $smooth;
3262	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3719	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3263	} else {	3720	} else {
3264	warn "smooth face '$info->{smooth}' not found for face '$face'";	3721	error "smooth face '$info->{smooth}' not found for face '$face'";
3265	}	3722	}
3266
3267	cf::cede_to_tick;
3268	}	3723	}
3269	}	3724	}
3270		3725
3271	{	3726	{
3272	my $anims = $facedata->{animinfo};	3727	my $anims = $facedata->{animinfo};
3273		3728
3274	while (my ($anim, $info) = each %$anims) {	3729	while (my ($anim, $info) = each %$anims) {
3275	cf::anim::set $anim, $info->{frames}, $info->{facings};	3730	cf::anim::set $anim, $info->{frames}, $info->{facings};
3276	cf::cede_to_tick;
3277	}	3731	}
3278		3732
3279	cf::anim::invalidate_all; # d'oh	3733	cf::anim::invalidate_all; # d'oh
3280	}	3734	}
3281		3735
3282	{	3736	{
3283	# TODO: for gcfclient pleasure, we should give resources
3284	# that gcfclient doesn't grok a >10000 face index.
3285	my $res = $facedata->{resource};	3737	my $res = $facedata->{resource};
3286		3738
3287	while (my ($name, $info) = each %$res) {	3739	while (my ($name, $info) = each %$res) {
3288	if (defined $info->{type}) {	3740	if (defined (my $type = $info->{type})) {
		3741	# TODO: different hash - must free and use new index, or cache ixface data queue
3289	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3742	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3290	my $data;
3291		3743
3292	if ($info->{type} & 1) {
3293	# prepend meta info
3294
3295	my $meta = $enc->encode ({
3296	name => $name,
3297	%{ $info->{meta} || {} },
3298	});
3299
3300	$data = pack "(w/a*)*", $meta, $info->{data};
3301	} else {
3302	$data = $info->{data};
3303	}
3304
3305	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3306	cf::face::set_type $idx, $info->{type};	3744	cf::face::set_type $idx, $type;
		3745	cf::face::set_csum $idx, 0, $info->{hash};
		3746	$cf::face::SIZE[0][$idx] = $info->{size};
		3747	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3748	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3749	$cf::face::HASH{$info->{hash}} = $idx;
3307	} else {	3750	} else {
3308	$RESOURCE{$name} = $info;	3751	# $RESOURCE{$name} = $info; # unused
3309	}	3752	}
3310
3311	cf::cede_to_tick;
3312	}	3753	}
3313	}	3754	}
		3755
		3756	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3757
		3758	# HACK to clear player env face cache, we need some signal framework
		3759	# for this (global event?)
		3760	%ext::player_env::MUSIC_FACE_CACHE = ();
		3761
		3762	# END ATOMIC
		3763
		3764	cf::debug "facedata atomic update time ", EV::time - $t1;
3314		3765
3315	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3766	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3316		3767
		3768	aio_close $fh if $fh; # close old facedata
		3769
3317	1	3770	1
3318	}	3771	}
3319
3320	cf::global->attach (on_resource_update => sub {
3321	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3322	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3323
3324	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3325	my $sound = $soundconf->{compat}[$_]
3326	or next;
3327
3328	my $face = cf::face::find "sound/$sound->[1]";
3329	cf::sound::set $sound->[0] => $face;
3330	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3331	}
3332
3333	while (my ($k, $v) = each %{$soundconf->{event}}) {
3334	my $face = cf::face::find "sound/$v";
3335	cf::sound::set $k => $face;
3336	}
3337	}
3338	});
3339		3772
3340	register_exticmd fx_want => sub {	3773	register_exticmd fx_want => sub {
3341	my ($ns, $want) = @_;	3774	my ($ns, $want) = @_;
3342		3775
3343	while (my ($k, $v) = each %$want) {	3776	while (my ($k, $v) = each %$want) {
…		…
3351	my $status = load_resource_file_ $_[0];	3784	my $status = load_resource_file_ $_[0];
3352	get_slot 0.1, 100;	3785	get_slot 0.1, 100;
3353	cf::arch::commit_load;	3786	cf::arch::commit_load;
3354		3787
3355	$status	3788	$status
		3789	}
		3790
		3791	sub reload_exp_table {
		3792	_reload_exp_table;
		3793
		3794	cf::face::set
		3795	"res/exp_table" => FT_RSRC,
		3796	JSON::XS->new->utf8->canonical->encode (
		3797	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3798	);
		3799	}
		3800
		3801	sub reload_materials {
		3802	_reload_materials;
3356	}	3803	}
3357		3804
3358	sub reload_regions {	3805	sub reload_regions {
3359	# HACK to clear player env face cache, we need some signal framework	3806	# HACK to clear player env face cache, we need some signal framework
3360	# for this (global event?)	3807	# for this (global event?)
…		…
3368	if exists $_->{match};	3815	if exists $_->{match};
3369	}	3816	}
3370	}	3817	}
3371		3818
3372	sub reload_facedata {	3819	sub reload_facedata {
3373	load_facedata "$DATADIR/facedata"	3820	load_facedata $DATADIR
3374	or die "unable to load facedata\n";	3821	or die "unable to load facedata\n";
3375	}	3822	}
3376		3823
3377	sub reload_archetypes {	3824	sub reload_archetypes {
3378	load_resource_file "$DATADIR/archetypes"	3825	load_resource_file "$DATADIR/archetypes"
3379	or die "unable to load archetypes\n";	3826	or die "unable to load archetypes\n";
		3827
		3828	cf::face::set
		3829	"res/skill_info" => FT_RSRC,
		3830	JSON::XS->new->utf8->canonical->encode (
		3831	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3832	);
		3833
		3834	cf::face::set
		3835	"res/spell_paths" => FT_RSRC,
		3836	JSON::XS->new->utf8->canonical->encode (
		3837	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3838	);
		3839
		3840	# command completion
		3841	my @commands;
		3842
		3843	for (0..cf::arch::skillvec_size - 1) {
		3844	my $skill = cf::arch::skillvec $_;
		3845	my $name = $skill->name;
		3846	my $flags = cf::skill_flags $skill->subtype;
		3847
		3848	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3849	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3850	}
		3851
		3852	cf::client::set_command_face skill => \@commands;
3380	}	3853	}
3381		3854
3382	sub reload_treasures {	3855	sub reload_treasures {
3383	load_resource_file "$DATADIR/treasures"	3856	load_resource_file "$DATADIR/treasures"
3384	or die "unable to load treasurelists\n";	3857	or die "unable to load treasurelists\n";
3385	}	3858	}
3386		3859
		3860	sub reload_sound {
		3861	trace "loading sound config from $DATADIR/sound\n";
		3862
		3863	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3864
		3865	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3866	my $sound = $soundconf->{compat}[$_]
		3867	or next;
		3868
		3869	my $face = cf::face::find "sound/$sound->[1]";
		3870	cf::sound::set $sound->[0] => $face;
		3871	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3872	}
		3873
		3874	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3875	my $face = cf::face::find "sound/$v";
		3876	cf::sound::set $k => $face;
		3877	}
		3878	}
		3879
3387	sub reload_resources {	3880	sub reload_resources {
3388	warn "reloading resource files...\n";	3881	trace "reloading resource files...\n";
3389		3882
		3883	reload_materials;
3390	reload_facedata;	3884	reload_facedata;
		3885	reload_exp_table;
		3886	reload_sound;
3391	reload_archetypes;	3887	reload_archetypes;
3392	reload_regions;	3888	reload_regions;
3393	reload_treasures;	3889	reload_treasures;
3394		3890
3395	warn "finished reloading resource files\n";	3891	trace "finished reloading resource files\n";
3396	}
3397
3398	sub init {
3399	my $guard = freeze_mainloop;
3400
3401	reload_resources;
3402	}	3892	}
3403		3893
3404	sub reload_config {	3894	sub reload_config {
3405	open my $fh, "<:utf8", "$CONFDIR/config"	3895	trace "reloading config file...\n";
3406	or return;
3407		3896
3408	local $/;	3897	my $config = load_file "$CONFDIR/config";
3409	*CFG = YAML::Load <$fh>;	3898	utf8::decode $config;
		3899	*CFG = decode_yaml $config;
3410		3900
3411	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3901	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3412		3902
3413	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3903	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3414	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3904	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3415		3905
3416	if (exists $CFG{mlockall}) {	3906	if (exists $CFG{mlockall}) {
…		…
3420	};	3910	};
3421	warn $@ if $@;	3911	warn $@ if $@;
3422	}	3912	}
3423	}	3913	}
3424		3914
		3915	sub pidfile() {
		3916	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3917	or die "$PIDFILE: $!";
		3918	flock $fh, &Fcntl::LOCK_EX
		3919	or die "$PIDFILE: flock: $!";
		3920	$fh
		3921	}
		3922
		3923	# make sure only one server instance is running at any one time
		3924	sub atomic {
		3925	my $fh = pidfile;
		3926
		3927	my $pid = <$fh>;
		3928	kill 9, $pid if $pid > 0;
		3929
		3930	seek $fh, 0, 0;
		3931	print $fh $$;
		3932	}
		3933
		3934	sub main_loop {
		3935	trace "EV::run starting\n";
		3936	if (1) {
		3937	EV::run;
		3938	}
		3939	trace "EV::run returned\n";
		3940	goto &main_loop unless $REALLY_UNLOOP;
		3941	}
		3942
3425	sub main {	3943	sub main {
		3944	cf::init_globals; # initialise logging
		3945
		3946	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3947	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3948	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3949	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3950
		3951	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3952
3426	# we must not ever block the main coroutine	3953	# we must not ever block the main coroutine
3427	local $Coro::idle = sub {	3954	$Coro::idle = sub {
3428	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3955	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3429	(async {	3956	(async {
3430	$Coro::current->{desc} = "IDLE BUG HANDLER";	3957	$Coro::current->{desc} = "IDLE BUG HANDLER";
3431	EV::loop EV::LOOP_ONESHOT;	3958	EV::run EV::RUN_ONCE;
3432	})->prio (Coro::PRIO_MAX);	3959	})->prio (Coro::PRIO_MAX);
3433	};	3960	};
3434		3961
3435	{	3962	evthread_start IO::AIO::poll_fileno;
3436	my $guard = freeze_mainloop;	3963
		3964	cf::sync_job {
		3965	cf::incloader::init ();
		3966
		3967	db_init;
		3968
		3969	cf::init_anim;
		3970	cf::init_attackmess;
		3971	cf::init_dynamic;
		3972
		3973	cf::load_settings;
		3974
		3975	reload_resources;
3437	reload_config;	3976	reload_config;
3438	db_init;	3977
		3978	cf::init_uuid;
		3979	cf::init_signals;
		3980	cf::init_skills;
		3981
		3982	cf::init_beforeplay;
		3983
		3984	atomic;
		3985
3439	load_extensions;	3986	load_extensions;
3440		3987
3441	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3988	utime time, time, $RUNTIMEFILE;
3442	evthread_start IO::AIO::poll_fileno;	3989
		3990	# no (long-running) fork's whatsoever before this point(!)
		3991	use POSIX ();
		3992	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3993
		3994	cf::_post_init 0;
3443	}	3995	};
3444		3996
3445	EV::loop;	3997	cf::object::thawer::errors_are_fatal 0;
		3998	info "parse errors in files are no longer fatal from this point on.\n";
		3999
		4000	AE::postpone {
		4001	undef &main; # free gobs of memory :)
		4002	};
		4003
		4004	goto &main_loop;
3446	}	4005	}
3447		4006
3448	#############################################################################	4007	#############################################################################
3449	# initialisation and cleanup	4008	# initialisation and cleanup
3450		4009
3451	# install some emergency cleanup handlers	4010	# install some emergency cleanup handlers
3452	BEGIN {	4011	BEGIN {
3453	our %SIGWATCHER = ();	4012	our %SIGWATCHER = ();
3454	for my $signal (qw(INT HUP TERM)) {	4013	for my $signal (qw(INT HUP TERM)) {
3455	$SIGWATCHER{$signal} = EV::signal $signal, sub {	4014	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3456	cf::cleanup "SIG$signal";	4015	cf::cleanup "SIG$signal";
3457	};	4016	};
3458	}	4017	}
3459	}	4018	}
3460		4019
3461	sub write_runtime_sync {	4020	sub write_runtime_sync {
3462	my $runtime = "$LOCALDIR/runtime";	4021	my $t0 = AE::time;
3463		4022
3464	# first touch the runtime file to show we are still running:	4023	# first touch the runtime file to show we are still running:
3465	# the fsync below can take a very very long time.	4024	# the fsync below can take a very very long time.
3466		4025
3467	IO::AIO::aio_utime $runtime, undef, undef;	4026	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3468		4027
3469	my $guard = cf::lock_acquire "write_runtime";	4028	my $guard = cf::lock_acquire "write_runtime";
3470		4029
3471	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4030	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3472	or return;	4031	or return;
3473		4032
3474	my $value = $cf::RUNTIME + 90 + 10;	4033	my $value = $cf::RUNTIME + 90 + 10;
3475	# 10 is the runtime save interval, for a monotonic clock	4034	# 10 is the runtime save interval, for a monotonic clock
3476	# 60 allows for the watchdog to kill the server.	4035	# 60 allows for the watchdog to kill the server.
…		…
3486	aio_utime $fh, undef, undef;	4045	aio_utime $fh, undef, undef;
3487		4046
3488	close $fh	4047	close $fh
3489	or return;	4048	or return;
3490		4049
3491	aio_rename "$runtime~", $runtime	4050	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3492	and return;	4051	and return;
3493		4052
3494	warn "runtime file written.\n";	4053	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3495		4054
3496	1	4055	1
3497	}	4056	}
3498		4057
3499	our $uuid_lock;	4058	our $uuid_lock;
…		…
3508	my $uuid = "$LOCALDIR/uuid";	4067	my $uuid = "$LOCALDIR/uuid";
3509		4068
3510	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	4069	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3511	or return;	4070	or return;
3512		4071
3513	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	4072	my $value = uuid_seq uuid_cur;
		4073
		4074	unless ($value) {
		4075	info "cowardly refusing to write zero uuid value!\n";
		4076	return;
		4077	}
		4078
		4079	my $value = uuid_str $value + $uuid_skip;
3514	$uuid_skip = 0;	4080	$uuid_skip = 0;
3515		4081
3516	(aio_write $fh, 0, (length $value), $value, 0) <= 0	4082	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3517	and return;	4083	and return;
3518		4084
…		…
3524	or return;	4090	or return;
3525		4091
3526	aio_rename "$uuid~", $uuid	4092	aio_rename "$uuid~", $uuid
3527	and return;	4093	and return;
3528		4094
3529	warn "uuid file written ($value).\n";	4095	trace "uuid file written ($value).\n";
3530		4096
3531	1	4097	1
3532		4098
3533	}	4099	}
3534		4100
…		…
3540	}	4106	}
3541		4107
3542	sub emergency_save() {	4108	sub emergency_save() {
3543	my $freeze_guard = cf::freeze_mainloop;	4109	my $freeze_guard = cf::freeze_mainloop;
3544		4110
3545	warn "enter emergency perl save\n";	4111	info "emergency_perl_save: enter\n";
		4112
		4113	# this is a trade-off: we want to be very quick here, so
		4114	# save all maps without fsync, and later call a global sync
		4115	# (which in turn might be very very slow)
		4116	local $USE_FSYNC = 0;
3546		4117
3547	cf::sync_job {	4118	cf::sync_job {
		4119	cf::write_runtime_sync; # external watchdog should not bark
		4120
3548	# use a peculiar iteration method to avoid tripping on perl	4121	# use a peculiar iteration method to avoid tripping on perl
3549	# refcount bugs in for. also avoids problems with players	4122	# refcount bugs in for. also avoids problems with players
3550	# and maps saved/destroyed asynchronously.	4123	# and maps saved/destroyed asynchronously.
3551	warn "begin emergency player save\n";	4124	info "emergency_perl_save: begin player save\n";
3552	for my $login (keys %cf::PLAYER) {	4125	for my $login (keys %cf::PLAYER) {
3553	my $pl = $cf::PLAYER{$login} or next;	4126	my $pl = $cf::PLAYER{$login} or next;
3554	$pl->valid or next;	4127	$pl->valid or next;
3555	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4128	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3556	$pl->save;	4129	$pl->save;
3557	}	4130	}
3558	warn "end emergency player save\n";	4131	info "emergency_perl_save: end player save\n";
3559		4132
3560	warn "begin emergency map save\n";	4133	cf::write_runtime_sync; # external watchdog should not bark
		4134
		4135	info "emergency_perl_save: begin map save\n";
3561	for my $path (keys %cf::MAP) {	4136	for my $path (keys %cf::MAP) {
3562	my $map = $cf::MAP{$path} or next;	4137	my $map = $cf::MAP{$path} or next;
3563	$map->valid or next;	4138	$map->valid or next;
3564	$map->save;	4139	$map->save;
3565	}	4140	}
3566	warn "end emergency map save\n";	4141	info "emergency_perl_save: end map save\n";
3567		4142
3568	warn "begin emergency database checkpoint\n";	4143	cf::write_runtime_sync; # external watchdog should not bark
		4144
		4145	info "emergency_perl_save: begin database checkpoint\n";
3569	BDB::db_env_txn_checkpoint $DB_ENV;	4146	BDB::db_env_txn_checkpoint $DB_ENV;
3570	warn "end emergency database checkpoint\n";	4147	info "emergency_perl_save: end database checkpoint\n";
3571		4148
3572	warn "begin write uuid\n";	4149	info "emergency_perl_save: begin write uuid\n";
3573	write_uuid_sync 1;	4150	write_uuid_sync 1;
3574	warn "end write uuid\n";	4151	info "emergency_perl_save: end write uuid\n";
		4152
		4153	cf::write_runtime_sync; # external watchdog should not bark
		4154
		4155	trace "emergency_perl_save: syncing database to disk";
		4156	BDB::db_env_txn_checkpoint $DB_ENV;
		4157
		4158	info "emergency_perl_save: starting sync\n";
		4159	IO::AIO::aio_sync sub {
		4160	info "emergency_perl_save: finished sync\n";
		4161	};
		4162
		4163	cf::write_runtime_sync; # external watchdog should not bark
		4164
		4165	trace "emergency_perl_save: flushing outstanding aio requests";
		4166	while (IO::AIO::nreqs || BDB::nreqs) {
		4167	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4168	}
		4169
		4170	cf::write_runtime_sync; # external watchdog should not bark
3575	};	4171	};
3576		4172
3577	warn "leave emergency perl save\n";	4173	info "emergency_perl_save: leave\n";
3578	}	4174	}
3579		4175
3580	sub post_cleanup {	4176	sub post_cleanup {
3581	my ($make_core) = @_;	4177	my ($make_core) = @_;
3582		4178
		4179	IO::AIO::flush;
		4180
3583	warn Carp::longmess "post_cleanup backtrace"	4181	error Carp::longmess "post_cleanup backtrace"
3584	if $make_core;	4182	if $make_core;
		4183
		4184	my $fh = pidfile;
		4185	unlink $PIDFILE if <$fh> == $$;
		4186	}
		4187
		4188	# a safer delete_package, copied from Symbol
		4189	sub clear_package($) {
		4190	my $pkg = shift;
		4191
		4192	# expand to full symbol table name if needed
		4193	unless ($pkg =~ /^main::.*::$/) {
		4194	$pkg = "main$pkg" if $pkg =~ /^::/;
		4195	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4196	$pkg .= '::' unless $pkg =~ /::$/;
		4197	}
		4198
		4199	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4200	my $stem_symtab = *{$stem}{HASH};
		4201
		4202	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4203	or return;
		4204
		4205	# clear all symbols
		4206	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4207	for my $name (keys %$leaf_symtab) {
		4208	_gv_clear *{"$pkg$name"};
		4209	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4210	}
3585	}	4211	}
3586		4212
3587	sub do_reload_perl() {	4213	sub do_reload_perl() {
3588	# can/must only be called in main	4214	# can/must only be called in main
3589	if ($Coro::current != $Coro::main) {	4215	unless (in_main) {
3590	warn "can only reload from main coroutine";	4216	error "can only reload from main coroutine";
3591	return;	4217	return;
3592	}	4218	}
3593		4219
3594	warn "reloading...";	4220	return if $RELOAD++;
3595		4221
3596	warn "entering sync_job";	4222	my $t1 = AE::time;
3597		4223
		4224	while ($RELOAD) {
		4225	cf::get_slot 0.1, -1, "reload_perl";
		4226	info "perl_reload: reloading...";
		4227
		4228	trace "perl_reload: entering sync_job";
		4229
3598	cf::sync_job {	4230	cf::sync_job {
3599	cf::write_runtime_sync; # external watchdog should not bark
3600	cf::emergency_save;	4231	#cf::emergency_save;
3601	cf::write_runtime_sync; # external watchdog should not bark
3602		4232
3603	warn "syncing database to disk";
3604	BDB::db_env_txn_checkpoint $DB_ENV;
3605
3606	# if anything goes wrong in here, we should simply crash as we already saved
3607
3608	warn "flushing outstanding aio requests";
3609	for (;;) {
3610	BDB::flush;
3611	IO::AIO::flush;
3612	Coro::cede_notself;
3613	last unless IO::AIO::nreqs || BDB::nreqs;
3614	warn "iterate...";
3615	}
3616
3617	++$RELOAD;
3618
3619	warn "cancelling all extension coros";	4233	trace "perl_reload: cancelling all extension coros";
3620	$_->cancel for values %EXT_CORO;	4234	$_->cancel for values %EXT_CORO;
3621	%EXT_CORO = ();	4235	%EXT_CORO = ();
3622		4236
3623	warn "removing commands";	4237	trace "perl_reload: removing commands";
3624	%COMMAND = ();	4238	%COMMAND = ();
3625		4239
3626	warn "removing ext/exti commands";	4240	trace "perl_reload: removing ext/exti commands";
3627	%EXTCMD = ();	4241	%EXTCMD = ();
3628	%EXTICMD = ();	4242	%EXTICMD = ();
3629		4243
3630	warn "unloading/nuking all extensions";	4244	trace "perl_reload: unloading/nuking all extensions";
3631	for my $pkg (@EXTS) {	4245	for my $pkg (@EXTS) {
3632	warn "... unloading $pkg";	4246	trace "... unloading $pkg";
3633		4247
3634	if (my $cb = $pkg->can ("unload")) {	4248	if (my $cb = $pkg->can ("unload")) {
3635	eval {	4249	eval {
3636	$cb->($pkg);	4250	$cb->($pkg);
3637	1	4251	1
3638	} or warn "$pkg unloaded, but with errors: $@";	4252	} or error "$pkg unloaded, but with errors: $@";
		4253	}
		4254
		4255	trace "... clearing $pkg";
		4256	clear_package $pkg;
3639	}	4257	}
3640		4258
3641	warn "... nuking $pkg";
3642	Symbol::delete_package $pkg;
3643	}
3644
3645	warn "unloading all perl modules loaded from $LIBDIR";	4259	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3646	while (my ($k, $v) = each %INC) {	4260	while (my ($k, $v) = each %INC) {
3647	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4261	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3648		4262
3649	warn "... unloading $k";	4263	trace "... unloading $k";
3650	delete $INC{$k};	4264	delete $INC{$k};
3651		4265
3652	$k =~ s/\.pm$//;	4266	$k =~ s/\.pm$//;
3653	$k =~ s/\//::/g;	4267	$k =~ s/\//::/g;
3654		4268
3655	if (my $cb = $k->can ("unload_module")) {	4269	if (my $cb = $k->can ("unload_module")) {
3656	$cb->();	4270	$cb->();
		4271	}
		4272
		4273	clear_package $k;
3657	}	4274	}
3658		4275
3659	Symbol::delete_package $k;
3660	}
3661
3662	warn "getting rid of safe::, as good as possible";	4276	trace "perl_reload: getting rid of safe::, as good as possible";
3663	Symbol::delete_package "safe::$_"	4277	clear_package "safe::$_"
3664	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4278	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3665		4279
3666	warn "unloading cf.pm \"a bit\"";	4280	trace "perl_reload: unloading cf.pm \"a bit\"";
3667	delete $INC{"cf.pm"};	4281	delete $INC{"cf.pm"};
3668	delete $INC{"cf/pod.pm"};	4282	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3669		4283
3670	# don't, removes xs symbols, too,	4284	# don't, removes xs symbols, too,
3671	# and global variables created in xs	4285	# and global variables created in xs
3672	#Symbol::delete_package __PACKAGE__;	4286	#clear_package __PACKAGE__;
3673		4287
3674	warn "unload completed, starting to reload now";	4288	info "perl_reload: unload completed, starting to reload now";
3675		4289
3676	warn "reloading cf.pm";	4290	trace "perl_reload: reloading cf.pm";
3677	require cf;	4291	require cf;
3678	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4292	cf::_connect_to_perl_1;
3679		4293
3680	warn "loading config and database again";	4294	trace "perl_reload: loading config and database again";
3681	cf::reload_config;	4295	cf::reload_config;
3682		4296
3683	warn "loading extensions";	4297	trace "perl_reload: loading extensions";
3684	cf::load_extensions;	4298	cf::load_extensions;
3685		4299
		4300	if ($REATTACH_ON_RELOAD) {
3686	warn "reattaching attachments to objects/players";	4301	trace "perl_reload: reattaching attachments to objects/players";
3687	_global_reattach; # objects, sockets	4302	_global_reattach; # objects, sockets
3688	warn "reattaching attachments to maps";	4303	trace "perl_reload: reattaching attachments to maps";
3689	reattach $_ for values %MAP;	4304	reattach $_ for values %MAP;
3690	warn "reattaching attachments to players";	4305	trace "perl_reload: reattaching attachments to players";
3691	reattach $_ for values %PLAYER;	4306	reattach $_ for values %PLAYER;
		4307	}
3692		4308
3693	warn "leaving sync_job";	4309	cf::_post_init 1;
3694		4310
		4311	trace "perl_reload: leaving sync_job";
		4312
3695	1	4313	1
3696	} or do {	4314	} or do {
3697	warn $@;	4315	error $@;
3698	cf::cleanup "error while reloading, exiting.";	4316	cf::cleanup "perl_reload: error, exiting.";
		4317	};
		4318
		4319	--$RELOAD;
3699	};	4320	}
3700		4321
3701	warn "reloaded";	4322	$t1 = AE::time - $t1;
		4323	info "perl_reload: completed in ${t1}s\n";
3702	};	4324	};
3703		4325
3704	our $RELOAD_WATCHER; # used only during reload	4326	our $RELOAD_WATCHER; # used only during reload
3705		4327
3706	sub reload_perl() {	4328	sub reload_perl() {
3707	# doing reload synchronously and two reloads happen back-to-back,	4329	# doing reload synchronously and two reloads happen back-to-back,
3708	# coro crashes during coro_state_free->destroy here.	4330	# coro crashes during coro_state_free->destroy here.
3709		4331
		4332	$RELOAD_WATCHER ||= cf::async {
		4333	Coro::AIO::aio_wait cache_extensions;
		4334
3710	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4335	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3711	do_reload_perl;	4336	do_reload_perl;
3712	undef $RELOAD_WATCHER;	4337	undef $RELOAD_WATCHER;
		4338	};
3713	};	4339	};
3714	}	4340	}
3715		4341
3716	register_command "reload" => sub {	4342	register_command "reload" => sub {
3717	my ($who, $arg) = @_;	4343	my ($who, $arg) = @_;
…		…
3723	reload_perl;	4349	reload_perl;
3724	};	4350	};
3725	}	4351	}
3726	};	4352	};
3727		4353
3728	unshift @INC, $LIBDIR;	4354	#############################################################################
3729		4355
3730	my $bug_warning = 0;	4356	my $bug_warning = 0;
3731		4357
3732	our @WAIT_FOR_TICK;
3733	our @WAIT_FOR_TICK_BEGIN;
3734
3735	sub wait_for_tick {	4358	sub wait_for_tick() {
3736	return if tick_inhibit || $Coro::current == $Coro::main;	4359	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3737		4360
3738	my $signal = new Coro::Signal;	4361	$WAIT_FOR_TICK->wait;
3739	push @WAIT_FOR_TICK, $signal;
3740	$signal->wait;
3741	}	4362	}
3742		4363
3743	sub wait_for_tick_begin {	4364	sub wait_for_tick_begin() {
3744	return if tick_inhibit || $Coro::current == $Coro::main;	4365	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3745		4366
3746	my $signal = new Coro::Signal;	4367	my $signal = new Coro::Signal;
3747	push @WAIT_FOR_TICK_BEGIN, $signal;	4368	push @WAIT_FOR_TICK_BEGIN, $signal;
3748	$signal->wait;	4369	$signal->wait;
3749	}	4370	}
…		…
3753	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4374	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3754	unless ++$bug_warning > 10;	4375	unless ++$bug_warning > 10;
3755	return;	4376	return;
3756	}	4377	}
3757		4378
3758	cf::server_tick; # one server iteration	4379	cf::one_tick; # one server iteration
		4380
		4381	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3759		4382
3760	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3761	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4384	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3762	Coro::async_pool {	4385	Coro::async_pool {
3763	$Coro::current->{desc} = "runtime saver";	4386	$Coro::current->{desc} = "runtime saver";
3764	write_runtime_sync	4387	write_runtime_sync
3765	or warn "ERROR: unable to write runtime file: $!";	4388	or error "ERROR: unable to write runtime file: $!";
3766	};	4389	};
3767	}	4390	}
3768		4391
3769	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4392	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3770	$sig->send;	4393	$sig->send;
3771	}	4394	}
3772	while (my $sig = shift @WAIT_FOR_TICK) {	4395	$WAIT_FOR_TICK->broadcast;
3773	$sig->send;
3774	}
3775		4396
3776	$LOAD = ($NOW - $TICK_START) / $TICK;	4397	$LOAD = ($NOW - $TICK_START) / $TICK;
3777	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4398	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3778		4399
3779	if (0) {	4400	if (0) {
3780	if ($NEXT_TICK) {	4401	if ($NEXT_TICK) {
3781	my $jitter = $TICK_START - $NEXT_TICK;	4402	my $jitter = $TICK_START - $NEXT_TICK;
3782	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4403	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3783	warn "jitter $JITTER\n";#d#	4404	debug "jitter $JITTER\n";#d#
3784	}	4405	}
3785	}	4406	}
3786	}	4407	}
3787		4408
3788	{	4409	{
3789	# configure BDB	4410	# configure BDB
		4411	info "initialising database";
3790		4412
3791	BDB::min_parallel 8;	4413	BDB::min_parallel 16;
3792	BDB::max_poll_reqs $TICK * 0.1;	4414	BDB::max_poll_reqs $TICK * 0.1;
3793	$AnyEvent::BDB::WATCHER->priority (1);	4415	#$AnyEvent::BDB::WATCHER->priority (1);
3794		4416
3795	unless ($DB_ENV) {	4417	unless ($DB_ENV) {
3796	$DB_ENV = BDB::db_env_create;	4418	$DB_ENV = BDB::db_env_create;
3797	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4419	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3798	| BDB::LOG_AUTOREMOVE, 1);	4420	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4421	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3799	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4422	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3800	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4423	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3801		4424
3802	cf::sync_job {	4425	cf::sync_job {
3803	eval {	4426	eval {
…		…
3822	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4445	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3823	};	4446	};
3824	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4447	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3825	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4448	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3826	};	4449	};
		4450
		4451	info "database initialised";
3827	}	4452	}
3828		4453
3829	{	4454	{
3830	# configure IO::AIO	4455	# configure IO::AIO
3831		4456
		4457	info "initialising aio";
3832	IO::AIO::min_parallel 8;	4458	IO::AIO::min_parallel 8;
3833	IO::AIO::max_poll_time $TICK * 0.1;	4459	IO::AIO::max_poll_time $TICK * 0.1;
3834	$AnyEvent::AIO::WATCHER->priority (1);	4460	undef $AnyEvent::AIO::WATCHER;
		4461	info "aio initialised";
3835	}	4462	}
3836		4463
3837	my $_log_backtrace;	4464	our $_log_backtrace;
		4465	our $_log_backtrace_last;
3838		4466
3839	sub _log_backtrace {	4467	sub _log_backtrace {
3840	my ($msg, @addr) = @_;	4468	my ($msg, @addr) = @_;
3841		4469
3842	$msg =~ s/\n//;	4470	$msg =~ s/\n$//;
3843		4471
		4472	if ($_log_backtrace_last eq $msg) {
		4473	LOG llevInfo, "[ABT] $msg\n";
		4474	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3844	# limit the # of concurrent backtraces	4475	# limit the # of concurrent backtraces
3845	if ($_log_backtrace < 2) {	4476	} elsif ($_log_backtrace < 2) {
		4477	$_log_backtrace_last = $msg;
3846	++$_log_backtrace;	4478	++$_log_backtrace;
		4479	my $perl_bt = Carp::longmess $msg;
3847	async {	4480	async {
3848	$Coro::current->{desc} = "abt $msg";	4481	$Coro::current->{desc} = "abt $msg";
3849		4482
3850	my @bt = fork_call {	4483	my @bt = fork_call {
3851	@addr = map { sprintf "%x", $_ } @addr;	4484	@addr = map { sprintf "%x", $_ } @addr;
…		…
3862	}	4495	}
3863		4496
3864	@funcs	4497	@funcs
3865	};	4498	};
3866		4499
3867	LOG llevInfo, "[ABT] $msg\n";	4500	LOG llevInfo, "[ABT] $perl_bt\n";
		4501	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3868	LOG llevInfo, "[ABT] $_\n" for @bt;	4502	LOG llevInfo, "[ABT] $_\n" for @bt;
3869	--$_log_backtrace;	4503	--$_log_backtrace;
3870	};	4504	};
3871	} else {	4505	} else {
3872	LOG llevInfo, "[ABT] $msg\n";	4506	LOG llevInfo, "[ABT] $msg\n";
3873	LOG llevInfo, "[ABT] [suppressed]\n";	4507	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3874	}	4508	}
3875	}	4509	}
3876		4510
3877	# load additional modules	4511	# load additional modules
3878	use cf::pod;	4512	require "cf/$_.pm" for @EXTRA_MODULES;
		4513	cf::_connect_to_perl_2;
3879		4514
3880	END { cf::emergency_save }	4515	END { cf::emergency_save }
3881		4516
3882	1	4517	1
3883		4518

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